84e179687f27b96f9f0f482ea5eae2f895f2dc4d
[platform/upstream/gcc.git] / gcc / ChangeLog
1 2005-05-14  Nathan Sidwell  <nathan@codesourcery.com>
2             Jan-Benedict Glaw  <jbglaw@lug-owl.de>
3
4         * config/vax/vax.c: (print_operand_address) Use gcc_unreachable() and
5         gcc_assert().
6         (rev_cond_name) Likewise.
7         (vax_float_literal) Likewise.
8         * config/vax/vax.md: Likewise.
9
10 2005-05-14  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
11
12         * config/vax/vax.md: define_constant VAXens AP, FP, SP and PC
13         registers and use them (specifically the stack pointer).
14         * config/vax/vax.h: Use above defines right here.
15
16         * config/vax/vax.c: (override_options) Remove 'register' keyword.
17         (split_quadword_operands) Likewise. (rev_cond_name) Likewise.
18         (vax_float_literal) Likewise. (vax_rtx_costs) Remove trailing
19         whitespace.
20         * config/vax/vax.h: Remove 'register' keyword. Misc. whitespace fixes,
21         mostly removal of trailing spaces...
22         * config/vax/vax-modes.def: Remove trailing whitespace.
23
24         * config/vax/elf.h: Update whitespace.
25
26 2005-05-14  Richard Guenther  <rguenth@gcc.gnu.org>
27
28         Revert
29         2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
30         * fold-const.c (fold_indirect_ref_1): Avoid removing
31         NOP_EXPRs with type qualifiers like const.
32
33 2005-05-14  Jan Hubicka  <jh@suse.cz>
34
35         Patch by Richard Henderson:
36         * tree-eh.c (tree_can_throw_internal, tree_can_throw_external):
37         Handle RESX expressions properly.
38
39         * tree-eh.c (record_stmt_eh_region): Use add_stmt_to_eh_region.
40         (add_stmt_to_eh_region_fn): Nest into CALL_EXPR.
41         (remove_stmt_from_eh_region_fn): Likewise.
42
43         * tree-cfg.c (execute_warn_function_return): Break out noreturn
44         warning too..
45         (execute_warn_function_noreturn): ... here.
46         (pass_warn_function_noreturn): New pass.
47         * tree-pass.h (pass_warn_function_noreturn): Declare
48         * tree-optimize.c (init_tree_optimization_passes): Move return
49         warnings early and add noreturn warnings at place of previous
50         return warnings.
51
52 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
53
54         * tree-ssa-live.c (tpa_init, tpa_delete, tpa_compact,
55         root_var_init, type_var_init): Use VEC instead of VARRAY.
56         * tree-ssa-live.h (tree_partition_associator_d): Change the
57         type of trees to VEC(tree,heap)*.
58         (tpa_tree): Use VEC instead of VARRAY.
59
60 2005-05-14  Richard Guenther  <rguenth@gcc.gnu.org>
61
62         * fold-const.c (div_if_zero_remainder): New function.
63         (try_move_mult_to_index): Use it.
64
65 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
66
67         * tree-eh.c (leh_tf_state): Change the type of dest_array to
68         VEC(tree,heap)*.
69         (maybe_record_in_goto_queue, lower_try_finally_onedest,
70         lower_try_finally_copy, lower_try_finally_switch,
71         lower_try_finally): Use VEC instead of VARRAY.
72
73 2005-05-14  Hans-Peter Nilsson  <hp@axis.com>
74
75         * config/cris/cris.h (Node: Register Classes): Remove obsoleted
76         comment regarding defined register classes.
77         (LEGITIMIZE_RELOAD_ADDRESS): Do not define.
78
79 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
80
81         * tree-optimize.c (init_tree_optimization_passes): Move
82         pass_merge_phi before the first pass_dominator.
83
84 2005-05-13  Richard Earnshaw  <richard.earnshaw@arm.com>
85
86         * arm.h (INITIALIZE_TRAMPOLINE): Make the call to __clear_cache
87         unconditional.
88
89 2005-05-13  Josh Conner  <jconner@apple.com>
90
91         * config/arm/arm.c (arm_size_return_regs): New.
92         (thumb_unexpanded_epilogue): replace in-line calculation
93         of return registers with call to arm_size_return_regs.
94         (use_return_insn): Include test of which registers are
95         being used to hold return values, to accommodate
96         vector return values.
97
98 2005-05-11  Aldy Hernandez  <aldyh@redhat.com>
99
100         * config/rs6000/sysv4.opt (mlittle): Handle.
101
102         * config/rs6000/rs6000.c (rs6000_handle_option): Set
103         target_flags_explicit when appropriate.
104
105 2005-05-13  J"orn Rennecke <joern.rennecke@st.com>
106
107         PR middle-end/20714:
108         * optabs.c (no_conflict_data): New struct.
109         (no_conflict_move_test): New function.
110         (emit_no_conflict_block): Use it.
111
112 2005-05-13  Adam Nemet  <anemet@lnxw.com>
113
114         * doc/invoke.texi (Debugging Options): Option
115         -fdump-translation-unit only works with C++ now.
116
117 2005-05-13  Hans-Peter Nilsson  <hp@axis.com>
118
119         Replace calls to abort in CRIS port.
120         * config/cris/cris.h (CRIS_ASSERT): New macro.
121         * config/cris/cris.md ("*movsi_internal"): Use CRIS_ASSERT and
122         internal_error instead of abort.
123         ("movsi"): Ditto.  Unquote preparation statement section.
124         ("call", "call_value"): Ditto, but use gcc_assert where
125         appropriate.  Tweak comments.
126         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Define in terms of
127         CRIS_ASSERT.
128         (cris_op_str): Call internal_error, not abort.
129         (cris_print_operand): Tweak "abort" reference to "die" in comment.
130         (cris_initial_elimination_offset): Call gcc_unreachable, not abort.
131         (cris_notice_update_cc): Call internal_error, not abort.
132         (cris_expand_return, cris_expand_prologue, cris_gen_movem_load)
133         (cris_emit_movem_store, cris_asm_output_symbol_ref)
134         (cris_output_addr_const_extra): Use CRIS_ASSERT, don't call abort.
135         (cris_symbol, cris_got_symbol): Use CRIS_ASSERT instead of
136         ENABLE_CHECKING-guarded abort call.
137         (cris_split_movdx): Use CRIS_ASSERT instead of abort with test.
138         Use internal_error at end of test-chain.
139
140 2005-05-13  J"orn Rennecke <joern.rennecke@st.com>
141
142         PR rtl-optimization/20769:
143         * bt-load.c (compute_defs_uses_and_gen): Check for the blockage
144         pattern emitted by expand_nl_goto_receiver.
145
146         PR middle-end/20793:
147         * integrate.c (allocate_initial_values): Update register liveness
148         information.
149
150 2005-05-13  Josh Conner  <jconner@apple.com>
151
152         * arm.c (arm_return_in_memory): Add handling for vector return types.
153
154 2005-05-13  David Ung  <davidu@mips.com>
155
156         * config/mips/mips.h (processor_type): Add new PROCESSOR_4KP
157         name.
158         * config/mips/mips.c: Add 4km alias.
159         * config/mips/mips.md: Add 4kp to cpu attrib and include 4k.md.
160         * config/mips/4k.md: New file, add 4Kc/4Kp DFA pipeline
161         description.
162
163 2005-05-13  Jan Hubicka  <jh@suse.cz>
164
165         * c-decl.c (finish_function): Suppress "control reaches end of
166         non-void function" when "no return statement in function
167         returning non-void" is issued.
168
169         * tree-inline.c (copy_body_r): Simplify substituted ADDR_EXPRs.
170         * tree-optimize.c (pass_gimple): Kill.
171         (init_tree_optimization_passes): Kill pass_gimple.
172         * tree-cfg.c (build_tree_cfg): Do verify_stmts to check that we are gimple.
173         * tree-dump.c (dump_files): Rename .generic to .gimple.*
174
175 2005-05-13  J"orn Rennecke <joern.rennecke@st.com>
176
177         PR rtl-optimization/20756:
178         * basic-block.h (PROP_DEAD_INSN): Define.
179         * flow.c (propagate_one_insn): Set during mark_set_regs call
180         for a dead insn.
181         (mark_set_1): Emit a clobber when we are about to delete a dead insn
182         that kills a live register.
183
184 2005-05-13  Adrian Straetling  <straetling@de.ibm.com>
185
186         * config/s390/s390.md: ("DBL"): New mode attribute.
187         ("*movmem_long_64", "*movmem_long_31"): Merge to "*movmem_long".
188         ("*clrmem_long_64", "*clrmem_long_31"): Merge to "*clrmem_long".
189         ("*cmpmem_long_64", "*cmpmem_long_31"): Merge to "*cmpmem_long".
190
191 2005-05-13  Richard Guenther  <rguenth@gcc.gnu.org>
192
193         * c-format.c (check_format_arg): Handle string literals of
194         the form &"string"[offset].
195
196         * g++.dg/warn/format4.C: New testcase.
197
198 2005-05-13  Kazu Hirata  <kazu@cs.umass.edu>
199
200         * config/mips/3000.md, config/mips/4000.md,
201         config/mips/4100.md, config/mips/4300.md, config/mips/4600.md,
202         config/mips/5000.md, config/mips/7000.md, config/mips/9000.md,
203         config/mips/generic.md, config/pdp11/pdp11.md,
204         config/sh/crt1.asm, config/sh/lib1funcs.asm,
205         config/sh/sh-modes.def, config/sh/sh-protos.h,
206         config/sh/shmedia.md, config/sh/ushmedia.h: Update copyright.
207
208 2005-05-13  Richard Henderson  <rth@redhat.com>
209
210         * function.c (instantiate_virtual_regs_in_insn): Do not simplify
211         addition to move unless dest is a register.  Do not skip 
212         instantiation in dest on addition simplification.
213
214 2005-05-13  Hans-Peter Nilsson  <hp@axis.com>
215
216         * config/cris/cris.c (cris_print_operand) <case 'H'; case
217         CONST_INT>: Use operand_subword and HOST_WIDE_INT_PRINT_DEC for
218         output; don't have special case for HOST_BITS_PER_WIDE_INT == 32.
219
220 2005-05-13  Jan Hubicka  <jh@suse.cz>
221
222         * basic-block.h (FOR_ALL_BB_FN): New macro.
223         (init_flow): Initialize cfg structure.
224         * function.c (allocate_struct_function): Do not initialize cfg structure.
225         * tree-cfg.c (init_empty_tree_cfg): Break out from ...
226         (build_tree_cfg): ... here.
227         * tree-flow.h (init_empty_tree_cfg): Declare.
228
229 2005-05-12  Steven Bosscher <stevenb@suse.de>
230
231         Fix PR tree-optimization/21520
232         * tree-ssa-pre.c (phi_translate): Use fully_constant_expression
233         to attempt to fold constants.
234
235 2005-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
236
237         * config/sh/sh.c: Declare the prototype of sh_adjust_unroll_max
238         only when TARGET_ADJUST_UNROLL_MAX is defined.
239         (general_movsrc_operand): Use the C style comment.
240         (ua_offset): Use prototype.
241
242 2005-05-12  Zdenek Dvorak  <dvorakz@suse.cz>
243
244         * tree-ssa-loop-im.c (struct mem_ref): Add field "next".
245         (struct hmr_data, hoist_memory_reference, memref_del,
246         struct fmrv_data): Removed.
247         (hoist_memory_references, free_mem_ref, free_mem_refs): New functions.
248         (gather_mem_refs, gather_mem_refs_stmt): Add new references to the
249         list.
250         (find_more_ref_vops): Traverse the list of memory references.
251         (determine_lsm_loop): Work with the list of memory references instead
252         of traversing the hashtable.
253
254 2005-05-12  Steven Bosscher  <stevenb@suse.de>
255             Stuart Hastings <stuart@apple.com>
256             Jan Hubicka  <jh@suse.cz>
257             
258         * except.c  (duplicate_eh_region_1, duplicate_eh_region_2,
259         duplicate_eh_regions): New functions, based on old
260         implementation removed with RTL inliner.
261         (reachable_next_level): Modify behaviour pre-inline.
262         * except.h (duplicate_eh_regions_map, duplicate_eh_regions):
263         Declare.
264         * function.h (struct function): Add after_inlining flag.
265         * tree-optimize.c (tree_rest_of_compilation): Set it.
266         * tree-eh.c (add_stmt_to_eh_region_fn): Initialize hashtable
267         when needed.
268         * tree-cfg.c (label_to_block_fn): Deal with cases where
269         label was never insterted into code.
270
271 2005-05-12  Zack Weinberg  <zack@codesourcery.com>
272
273         * doc/cpp.texi: Document that #sccs is a synonym for #ident.
274
275 2005-05-12  Daniel Berlin  <dberlin@dberlin.org>
276
277         Fix PR tree-optimization/21532
278         * tree-ssa-pre.c (create_expression_by_pieces): stmt
279         needs to go onto the inserted_exprs list.
280
281 2005-05-12  Ian Lance Taylor  <ian@airs.com>
282
283         * c-common.h (statement_code_p): Don't declare.
284         (STATEMENT_CODE_P): Don't define.
285         (INIT_STATEMENT_CODES): Don't define.
286         * c-common.c (statement_code_p): Don't define.
287
288 2005-05-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
289
290         * config/sparc/sparc.h: Remove dead code.
291         * config/sparc/sparc.c (sparc_compute_frame_size): Use
292         FIRST_PARM_OFFSET for the size of the register window area.
293         (emit_save_regs): Rename into emit_save_or_restore_regs.
294         Add 'action' parameter.  Use 4095 as upper bound for the offset.
295         Pass 'action' to save_or_restore_regs.
296         (emit_restore_regs): Delete.
297         (sparc_expand_prologue): Call emit_save_or_restore_regs.
298         (sparc_expand_epilogue): Likewise.
299         * config/sparc/sparc.md (mode macro P): Move.
300         (movdi_insn_sp32_v9, movdi_insn_sp32): Swap.
301         (mov<V32:mode> expander): Move to the top of the V32 section.
302         (movdf_insn_sp32_v9_no_fpu, movdf_insn_sp32_v9): Swap.
303         (movtf_insn_sp64_hq, movtf_insn_sp64): Swap.
304         (sibcall_epilogue): Move.
305
306 2005-05-12  Richard Earnshaw  <richard.earnshaw@arm.com>
307
308         PR target/21501
309         * arm.c (arm_gen_constant): Sign-extend intermediate values when
310         synthesizing a constant of the difference of two immediates.
311
312 2005-05-12  Richard Earnshaw  <richard.earnshaw@arm.com>
313
314         * arm/vfp.md (negsf2_vfp): Add alternative using integer registers.
315         (negdf2_vfp): Likewise.  Convert to define_insn_and_split and split
316         the alternatives using integer registers into the appropriate
317         primitives.
318
319 2005-05-11 Kenneth Zadeck <zadeck@naturalbridge.com>
320
321         * bitmap.c (bitmap_elmt_to_freelist, bitmap_element_allocate,
322         bitmap_elt_clear_from, bitmap_clear): Changed freelist structure.
323         * bitmap.h: Fixed comments.
324
325 2005-05-11  Richard Henderson  <rth@redhat.com>
326
327         PR target/21412
328         * config/ia64/ia64.c (TARGET_CANNOT_FORCE_CONST_MEM): New.
329         (ia64_cannot_force_const_mem): New.
330         (tls_symbolic_operand_type): New.
331         (ia64_legitimate_constant_p): New.
332         (ia64_expand_load_address): Return true on success.  Improve
333         checks for when we should not split.
334         (ia64_expand_tls_address): New addend operand.  Distribute it
335         as appropriate to the tls_kind.  Delay referencing gp.
336         (ia64_expand_move): Split symbolic addend as necessary.  Handle
337         tls symbols with addends.
338         * config/ia64/ia64-protos.h: Update.
339         * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): False for r0,
340         p0, f0, f1, and r13.
341         (LEGITIMATE_CONSTANT_P): Move to ia64_legitimate_constant_p.
342         * config/ia64/ia64.md (UNSPEC_DTPMOD): New.
343         (symbolic_operand splitter): Pass everything through
344         ia64_expand_load_address and FAIL or DONE as appropriate.
345         (load_fptr): Only accept after reload.
346         (load_fptr_internal1, gprel64_offset, load_gprel64, load_symptr_high,
347         load_symptr_low, load_ltoff_dtpmod,
348         (load_dtpmod): New.
349         (load_dtprel): Only accept tls symbols.
350         (load_dtprel64, load_dtprel22): Likewise.
351         (load_tprel, load_tprel64, load_tprel22): Likewise.
352         (load_dtprel_gd, load_ltoff_dtprel, load_tprel_ie): New.
353         (add_dtprel): Only accept tls symbols.  Canonicalize PLUS.
354         (add_dtprel14, add_dtprel22): Likewise.
355         (add_tprel, add_tprel14, add_tprel22): Likewise.
356         * config/ia64/predicates.md (small_addr_symbolic_operand): New.
357         (any_offset_symbol_operand, aligned_offset_symbol_operand): New.
358         (got_symbolic_operand): Check CONST offsets.
359         (tls_symbolic_operand, ld_tls_symbolic_operand): New.
360         (ie_tls_symbolic_operand, le_tls_symbolic_operand): New.
361         (move_operand): Don't handle tls here.  Check CONST offsets.
362
363 2005-05-11  Richard Sandiford  <rsandifo@redhat.com>
364
365         * config/mips/7000.md (rm7_impy_si_mult): Just match imul and imadd.
366         Remove hilo_operand check.
367         (rm7_impy_si_mul): Just match imul3.  Remove hilo_operand check.
368         * config/mips/predicates.md (hilo_operand): Delete.
369
370 2005-05-11  Richard Sandiford  <rsandifo@redhat.com>
371
372         * config/mips/sr71k.md, config/mips/7000.md: Reformat.
373
374 2005-05-11  Kazu Hirata  <kazu@cs.umass.edu>
375
376         PR tree-optimizer/18472
377         * tree-if-conv.c (tree_if_convert_stmt,
378         if_convertible_modify_expr_p): Don't handle GOTO_EXPR.
379
380 2005-05-11  Jan Hubicka  <jh@suse.cz>
381
382         * Makefile.in (tree-eh.o: Kill gt-tree-eh.h dependency.
383         (GTFILES): add except.h.
384         * except.c (eh_status): Add throw_stmt_table.
385         (set_eh_throw_stmt_table, get_eh_throw_stmt_table): New functions.
386         * except.h (add_stmt_to_eh_region_fn, remove_stmt_from_eh_region_fn,
387         lookup_stmt_eh_region_fn): Declare.
388         (throw_stmt_node): New structure.
389         (set_eh_throw_stmt_table, get_eh_throw_stmt_table): New.
390         * gengtype.c (open_base_files): Add except.h to inlines.
391         * tree-eh.c (throw_stmt_node): Kill.
392         (record_stmt_eh_region): Update.
393         (add_stmt_to_eh_region_fn): Break out from ...
394         (add_stmt_to_eh_region): ... here.
395         (remove_stmt_from_eh_region_fn): Break out from ...
396         (remove_stmt_from_eh_region): ... here.
397         (lookup_stmt_eh_region_fn): Break out from ...
398         (lookup_stmt_eh_region): ... here.
399         (honor_protect_cleanup_actions): Use build_resx.
400         (lower_try_finally_onedest): Likewise.
401         (lower_try_finally_copy): Likewise.
402         (lower_try_finally_switch): Likewise.
403         (lower_eh_constructs): Update eh table construction.
404         * tree.c (build_resx): New.
405         * tree.h (build_resx): Declare.
406
407 2005-05-11  H.J. Lu  <hongjiu.lu@intel.com>
408
409         * libgcov.c (gcov_exit): Set prefix_length to 0 if no relocation
410         is needed.
411
412 2005-05-11  Kazu Hirata  <kazu@cs.umass.edu>
413
414         * fold-const.c, libgcov.c: Fix comment typos.
415
416         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove
417         redundant code.
418
419 2005-05-11  Daniel Jacobowitz  <dan@codesourcery.com>
420
421         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
422         * config/arm/arm.h (SUBTARGET_FRAME_POINTER_REQUIRED): Provide
423         default definition.
424         (FRAME_POINTER_REQUIRED): Use SUBTARGET_FRAME_POINTER_REQUIRED.
425
426 2005-05-11  Nathan Sidwell  <nathan@codesourcery.com>
427
428         PR bootstrap/21481
429         * crtstuff.c: Include auto-host.h again, for now.
430
431 2005-05-11  Richard Sandiford  <rsandifo@redhat.com>
432
433         * config/mips/24k.md: Remove trailing whitespace.
434
435 2005-05-11  David Ung  <davidu@mips.com>
436
437         * config/mips/mips.md (type): Add imul3.
438         (length, hazard, may_clobber_hilo): Check for imul3.
439         (mulsi3_mult3, muldi3_mult3, *muls, <su>mulsi3_highpart_mulhi_internal)
440         (*<su>mulsi3_highpart_neg_mulhi_internal): Set attr to imul3.
441         * config/mips/24k.md (r24k_int_mul3): Enable this reservation
442         for a 3 operand mul and its bypasses.
443         * config/mips/3000.md (r3k_imul): Add imul3 to reservations.
444         * config/mips/4000.md (r4k_imul): Likewise.
445         * config/mips/4100.md (r4100_imul_si, r4100_imul_di):  Likewise.
446         * config/mips/4130.md (vr4130_class, vr4130_mulsi)
447         (vr4130_muldi): Likewise.
448         * config/mips/4300.md (r4300_imul_si, r4300_imul_di): Likewise.
449         * config/mips/4600.md (r4600_imul, r4650_imul): Likewise.
450         * config/mips/5000.md (r5k_imul_si, r5k_imul_di): Likewise.
451         * config/mips/5400.md (ir_vr54_imul_si, ir_vr54_imul_di)
452         (ir_vr54_imadd_si): Likewise.
453         * config/mips/5500.md (ir_vr55_imul_si, ir_vr55_imul_di):  Likewise.
454         * config/mips/7000.md (rm7_impy_si_mult, rm7_impy_si_mul)
455         (rm7_impy_di): Likewise.
456         * config/mips/9000.md (rm9k_mulsi, rm9k_muldi):  Likewise.
457         * config/mips/generic.md (generic_imul): Likewise.
458         * config/mips/sb1.md (ir_sb1_mulsi, ir_sb1_muldi): Likewise.
459         * config/mips/sr71k.md (ir_sr70_imul_si, ir_sr70_imul_di):  Likewise.
460
461 2005-05-11  J"orn Rennecke <joern.rennecke@st.com>
462
463         PR middle-end/20371:
464         * tree.h (record_layout_info_s): New member prev_packed.
465         * stor-layout.c (update_alignment_for_field): Fix comment about
466         KNOWN_ALIGN.  For MS bitfields, if we start a new run, make sure
467         we start it properly aligned.
468         (place_field): At the beginning of a record, pass 0 as KNOWN_ALIGN
469         to update_alignment_for_field, and recompute it afterwards using
470         the alignment of the record.
471         When a packed bitfield precedes an MS bitfield, don't add padding
472         at the end of the packed bitfield on behalf of the base type of
473         the packed bit field.
474         Don't adjust rli->bitpos at the end
475         of an MS bitfield run if we already adjusted bitpos/offset for an
476         alignment as large or larger than the bitfield type size.
477         Take possible record alignment > BIGGEST_ALIGNMENT into account
478         when calculating actual_align.
479         Only put packed buit fields into rli->prev_field if they end up
480         suitably aligned.
481         Also set rli->remaining_in_alignment when we re-set rli->prev_field.
482         Update rli->remaining_in_alignment when we have already started a
483         run of bit fields and we process a packed bit field.
484
485 2005-05-11  Sebastian Pop  <pop@cri.ensmp.fr>
486
487         * tree-data-ref.c (find_data_references_in_loop): Give up when
488         the body of the loop contains a CALL_EXPR or an ASM_EXPR: they
489         may embed arbitrary side effects.
490         Remove the assumption that GIMPLE form contains a single array
491         access per statement.
492         When the statement contains virtual operands, fail if it is not
493         a MODIFY_EXPR or a CALL_EXPR.
494         Return after the dont know node is inserted.
495
496 2005-05-11  Richard Earnshaw  <richard.earnshaw@arm.com>
497
498         * arm.md (negsf2, negdf2): Permit these expands when compiling for VFP.
499
500 2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
501
502         PR middle-end/19807
503         PR tree-optimization/19639
504         * fold-const.c (try_move_mult_to_index): Handle INTEGER_CST
505         and generic summands for char* as s * delta, too, folding &a[i]
506         CODE x to &a[i CODE x/s].  Use tree_int_cst_equal
507         for comparison of steps.  Convert types for index addition.
508         (fold_binary): Adjust the callers to always dispatch to
509         try_move_mult_to_index.
510         * tree-ssa-propagate.c (set_rhs): Avoid setting rhs to
511         expr with non-gimple ARRAY_REF offset.
512
513 2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
514
515         * fold-const.c (fold_indirect_ref_1): Avoid removing
516         NOP_EXPRs with type qualifiers like const.
517
518 2005-05-11  Richard Henderson  <rth@redhat.com>
519
520         PR c/21502
521         * c-decl.c (finish_decl): Propagate the completed array type of
522         a global variable into the binding.
523
524 2005-05-10  Matt Kraai  <kraai@ftbfs.org>
525
526         * Makefile.in (gtype-desc.o, build/genautomata.o)
527         (build/varray.o): Depend on $(VARRAY_H).
528
529 2005-05-10  Diego Novillo  <dnovillo@redhat.com>
530
531         * tree-optimize.c (init_tree_optimization_passes): Re-organize
532         optimization passes to do an initial batch of scalar cleanups.
533
534 2005-05-10  Ian Lance Taylor  <ian@airs.com>
535
536         * read-rtl.c (struct macro_traverse_data): Define.
537         (map_attr_string): New static function, broken out of
538         apply_macro_to_string.
539         (mode_attr_index, apply_mode_maps): New static functions.
540         (apply_macro_to_string): Call map_attr_string.
541         (apply_macro_to_rtx): Add mode_maps and infile parameters.  Change
542         all callers.
543         (apply_macro_traverse): Expect data to point to a struct
544         macro_traverse_data.
545         (read_rtx): Add mode_maps local variable.  Use mode_traverse_data
546         to pass data through htab_traverse.
547         (read_rtx_1): Add mode_maps parameter.  Change all callers.
548         Handle mode names which are attribute strings.
549         * doc/md.texi (Substitutions): Rename from String Substitutions.
550         Change references.  Document using attributes as modes.
551
552 2005-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
553
554         * tree-cfg.c (tree_duplicate_sese_region): Update profile.
555         * tree-optimize.c (init_tree_optimization_passes) Swap
556         pass_ch and pass_profile.
557         * tree-ssa-loop-ch.c (copy_loop_headers): Do not update profile
558         here.  Remove rewrite_into_loop_closed_ssa call.
559
560 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
561
562         * config/s390/s390.c: (s390_const_double_ok_for_constraint_p): New
563         function.
564         (legitimate_reload_constant_p): Add check for const double zero.
565         * config/s390/s390.md: Add comment for constraint letter 'G'.
566         ("*movdf_64", "*movdf_31", "movsf"): Add constraint and proper
567         attributes for new case.
568         * config/s390/s390.h: (CONST_DOUBLE_OK_FOR_CONSTRAINT_P): Define it as
569         s390_const_double_ok_for_constraint_p.
570         * config/s390/s390-protos.h (s390_const_double_ok_for_constraint_p):
571         Add prototype.
572
573 2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
574
575         PR tree-optimization/21170
576         * tree-ssa-dom.c, tree-ssa-threadupdate.c: Replace
577         rewrite_ssa_into_ssa in comments with update_ssa.
578
579 2005-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
580
581         * tree-ssa-loop-im.c: Include hashtab.h.
582         (struct mem_ref_loc): New.
583         (struct mem_ref): Describe the set of references with the same
584         shape.
585         (max_stmt_uid, get_stmt_uid, record_mem_ref, free_mem_refs,
586         maybe_queue_var, fem_single_reachable_address,
587         for_each_memref, single_reachable_address,
588         is_call_clobbered_ref, determine_lsm_reg): Removed.
589         (record_mem_ref_loc, free_mem_ref_locs, determine_lsm_ref,
590         hoist_memory_reference, memref_hash, memref_eq, memref_del,
591         gather_mem_refs_stmt, gather_mem_refs, find_more_ref_vops):
592         New functions.
593         (rewrite_mem_refs, schedule_sm): Use mem_ref_loc list.
594         (determine_lsm_loop): Rewritten.
595         (determine_lsm): Do not set stmt uids.
596
597 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
598
599         * config/s390/s390.md: Add comment lines for 'f' and 't' constraint
600         letters.
601
602 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
603
604         * config/s390/s390.md: ("anddi3","andsi3","andhi3","andqi3"): Merge.
605         ("iordi3", "iorsi3", "iorhi3", "iorqi3"): Merge.
606         ("xordi3", "xorsi3", "xorhi3", "xorqi3"): Merge.
607
608 2005-05-10  Jeff Law  <law@redhat.com>
609
610         * tree-ssa-dom.c (dom_opt_finalize_block): Do not call
611         thread_across_edge for any abnormal edges.
612
613 2005-05-10  Richard Henderson  <rth@redhat.com>
614
615         * config/ia64/ia64.c (ia64_expand_atomic_op): New.
616         * config/ia64/ia64-protos.h: Declare it.
617         * config/ia64/sync.md (I124MODE, FETCHOP, fetchop_name): New.
618         (sync_add<I48MODE>, sync_old_add<I48MODE>): Remove.
619         (sync_<FETCHOP><IMODE>, sync_nand<IMODE>): New.
620         (sync_old_<FETCHOP><IMODE>, sync_old_nand<IMODE>): New.
621         (sync_new_<FETCHOP><IMODE>, sync_new_nand<IMODE>): New.
622         (cmpxchg_rel_<I124MODE>): Split from cmpxchg_acq_<IMODE>.  Zero
623         extend result; use release semantics.
624         (cmpxchg_rel_di): Rename from cmpxchg_acq_<IMODE>; use release.
625         (sync_val_compare_and_swap_<IMODE>): Update to match.
626
627 2005-05-10  Richard Henderson  <rth@redhat.com>
628
629         * optabs.c (expand_compare_and_swap_loop): Don't clobber old value
630         before comparing it for success.
631
632 2005-05-10  Richard Henderson  <rth@redhat.com>
633
634         * config/ia64/sync.md (sync_add<I48MODE>): Fix arguments for
635         no return value pattern.
636
637 2005-05-10  Grigory Zagorodnev  <grigory.zagorodnev@intel.com>
638             H.J. Lu  <hongjiu.lu@intel.com>
639
640         * libgcov.c (create_file_directory): New function. Create
641         directory for the given file name.
642         (gcov_max_filename): New static var. Keeps size of the longest
643         file name.
644         (gcov_exit): Always try to create directory for output
645         file. Relocate each filename basing on environment vars.
646         (__gcov_init): Remember the longest file name.
647         * tsystem.h: include filenames.h to get IS_DIR_SEPARATOR
648         * doc/gcov.texi (Cross-profiling): New node documenting
649         cross-profiling management.
650         * doc/invoke.texi (-fprofile-arcs): Add xref to cross-profiling.
651
652 2005-05-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
653
654         * config/sparc/sparc.c (mem_min_alignment): Do not rely
655         on MEM_ALIGN if TARGET_UNALIGNED_DOUBLES.
656
657 2005-05-10  Bob Wilson  <bob.wilson@acm.org>
658
659         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Rearrange special
660         case code to avoid one move instruction.
661         (__umodsi3, __modsi3): Merge duplicated code sequences.
662
663 2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
664
665         * config/mips/24k.md, config/sh/divtab.c, config/sh/sh.c,
666         config/sh/sh.md, config/sh/superh.h: Fix comment typos.
667         * doc/invoke.texi: Fix typos.
668
669         * tree-data-ref.c (analyze_array_indexes, analyze_array,
670         init_data_ref, access_functions_are_affine_or_constant_p,
671         free_data_refs): Use VEC instead of VARRAY.
672         * tree-data-ref.h (data_reference): Change the type of
673         access_fns to VEC(tree,gc)*.
674         (DR_ACCESS_FN, DR_NUM_DIMENSIONS): Use VEC instead of VARRAY.
675
676 2005-05-10  Gabor Loki <loki@gcc.gnu.org>
677
678         PR c/17913
679         * c-typeck.c (build_conditional_expr): Remove reducing cond_expr.
680         * fold-const.c (fold): Expand the condition of reducing cond_expr.
681         (contains_label_1, contains_label_p): New functions for checking
682         labels in a sub-tree.
683
684 2005-05-10  Joseph S. Myers  <joseph@codesourcery.com>
685
686         PR c/21342
687         * c-decl.c (pushdecl): When there is a declaration in the current
688         scope and the declarations are external linkage, check for
689         compatibility with the type in the external scope and update the
690         type in the external scope with the composite type information.
691         Do not form a composite type of the new type and the visible type
692         if they are incompatible.
693
694 2005-05-10  Nathan Sidwell  <nathan@codesourcery.com>
695
696         * crtstuff.c: Revert part of 2005-05-08 Change.
697         (IN_LIBGCC2): Define.
698
699 2005-05-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
700
701         * config/sparc/sparc.c (fp_sethi_p): Test !SPARC_SIMM13_P and
702         remove redundant test.
703         (fp_mov_p): Accept 0.
704         (fp_high_losum_p): Remove redundant test.
705         * config/sparc/predicates.md (const_high_operand): Explicitly test
706         (not small_int_operand).
707         (fp_const_high_losum_operand): New.
708         * config/sparc/sparc.md (movsi_insn): Do not emit 'clr'.  Reorder.
709         (movdi_insn_sp32_v9): Use canonical predicates.
710         (movdi_insn_sp32): Test !TARGET_V9 instead of !TARGET_ARCH64.
711         (movdi_insn_sp64_novis): Delete.
712         (movdi_insn_sp64_vis): Rename into movdi_insn_sp64.
713         (movsf_insn_novis): Delete.
714         (movsf_insn_vis): Rename into movsf_insn.
715         (movsf_no_f_insn): Rename into movsf_insn_no_fpu.
716         (movsf_lo_sum): Use fp_const_high_losum_operand.
717         (movsf_high): Likewise.
718         (movsf_high_losum splitter): Likewise.
719         (mov<V32:mode> expander): Use register_or_zero_operand.
720         (mov<V64:mode> expander): Likewise.
721         (movdf_insn_sp32): Use register_or_zero_operand.
722         (movdf_no_e_insn_sp32): Use register_or_zero_operand.
723         Rename into movdf_insn_sp32_no_fpu.
724         (movdf_no_e_insn_v9_sp32): Use register_or_zero_operand.
725         Rename into movdf_insn_sp32_v9_no_fpu.
726         (movdf_insn_v9only_novis): Delete.
727         (movdf_insn_v9only_vis): Rename into movdf_insn_sp32_v9.
728         (movdf_insn_sp64_novis): Delete.
729         (movdf_insn_sp64_vis): Rename into movdf_insn_sp64.
730         (movdf_no_e_insn_sp64): Use register_or_zero_operand.
731         Rename into movdf_insn_sp64_no_fpu.
732         (movtf expander): Use register_or_zero_operand.
733         (movtf_insn_sp32): Delete.
734         (movtf_insn_vis_sp32): Use register_or_zero_operand.
735         Rename into movtf_insn_sp32.
736         (movtf_no_e_insn_sp32): Use register_or_zero_operand.
737         Rename into movtf_insn_sp32_no_fpu.
738         (movtf_insn_hq_sp64): Delete.
739         (movtf_insn_hq_vis_sp64): Use register_or_zero_operand.
740         Rename into movtf_insn_sp64_hq.
741         (movtf_insn_sp64): Delete.
742         (movtf_insn_vis_sp64): Use register_or_zero_operand.
743         Rename into movtf_insn_sp64.
744         (movtf_no_e_insn_sp64): Use register_or_zero_operand.
745         Rename into movtf_insn_sp64_no_fpu.
746
747 2005-05-10  Nathan Sidwell  <nathan@codesourcery.com>
748
749         * config/stormy16/stormy16.c (xstormy16_emit_cbranch): Use
750         gcc_assert and gcc_unreachable as appropriate.
751         (xstormy16_split_cbranch, xstormy16_output_cbranch_hi,
752         xstormy16_output_cbranch_si, xstormy16_split_move,
753         xstormy16_initial_elimination_offset,
754         xstormy16_encode_section_info, xstormy16_print_operand_address,
755         xstormy16_expand_call, xstormy16_expand_arith,
756         xstormy16_output_shift, xstormy16_init_builtins): Likewise.
757
758 2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
759
760         * tree-outof-ssa.c (_elim_graph): Change the type of nodes and
761         const_copies to VEC(tree,heap)*.
762         (new_elim_graph, delete_elim_graph, elim_graph_size,
763         elim_graph_add_node, eliminate_build, eliminate_phi): Use VEC
764         instead of VARRAY.
765
766 2005-05-10  Joseph S. Myers  <joseph@codesourcery.com>
767
768         PR other/21052
769         * doc/extend.texi (Type Attributes): Correct example syntax.
770
771 2005-05-09  Joseph S. Myers  <joseph@codesourcery.com>
772
773         PR c/21160
774         * doc/invoke.texi (-Wuninitialized): Update documentation.
775
776 2005-05-09  Richard Earnshaw  <richard.earnshaw@arm.com>
777
778         * arm.c (const_ok_for_arm): Use a faster algorithm.
779
780 2005-05-09  David Edelsohn  <edelsohn@gnu.org>
781
782         PR target/21477
783         * config/rs6000/rs6000.md (add_op2): New.
784         (add<mode>3): Use it.
785
786 2005-05-09  Richard Earnshaw  <richard.earnshaw@arm.com>
787
788         * arm.c (arm_gen_constant): Add new heuristic for generating
789         constant integers that can be expressed as the difference of two
790         valid immediates.
791
792 2005-05-09  Roger Sayle  <roger@eyesopen.com>
793
794         * c-tree.h (parser_build_unary_op): New prototype.
795         * c-typeck.c (parser_build_unary_op): New function to construct
796         a unary operation in the C parser.
797         * c-parser.c (c_parser_unary_expression):  Use the new function
798         parser_build_unary_op when appropriate.
799
800 2005-05-09  Mark Mitchell  <mark@codesourcery.com>
801
802         PR 18655
803         * dwarf2out.c (output_call_frame_info): Use DWARF2_FRAME_REG_OUT
804         before outputting DWARF_FRAME_RETURN_COLUMN.
805
806 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
807
808         * config/s390/s390.c: (s390_branch_condition_mask,
809         s390_branch_condition_mnemonic, s390_extra_constraint_str,
810         s390_const_ok_for_constraint_p, s390_expand_plus_operand,
811         legitimize_pic_address, s390_emit_tls_call_insn,
812         legitimize_tls_address, legitimize_tls_address,
813         s390_expand_addcc, print_shift_count_operand, print_operand,
814         addr_generation_dependency_p, annotate_constant_pool_refs,
815         s390_split_branches, find_constant_pool_ref,
816         replace_constant_pool_ref, s390_add_constant, s390_find_constant,
817         s390_find_execute, s390_mainpool_start, s390_chunkify_start,
818         s390_output_pool_entry, s390_function_value,
819         s390_call_saved_register_used, s390_emit_call): Replace
820         conditional aborts by gcc_assert and unconditional by gcc_unreachable.
821         (s390_select_ccmode, s390_match_ccmode_set, s390_extract_part,
822         s390_cannot_force_const_mem, s390_output_dwarf_dtprel,
823         get_some_local_dynamic_name, s390_function_arg_size,
824         s390_function_arg_advance, s390_function_arg,
825         s390_expand_builtin, s390_gen_rtx_const_DI): Replace abort in
826         default case by gcc_unreachable.
827         * config/s390/s390.md: ("*cjump_31", "*icjump_31", "*jump31"): Replace
828         conditional abort by gcc_assert.
829         ("doloop_si31"): Replace abort in last else by gcc_unreachable.
830         ("main_pool", "pool"): Replace unconditional abort by gcc_unreachable.
831
832 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
833
834         * config/s390/s390.c: (s390_decompose_address,
835         tls_symbolic_operand, legitimate_pic_operand_p,
836         legitimate_constant_p, legitimate_reload_constant_p,
837         s390_expand_plus_operand, legitimate_address_p,
838         legitimate_la_operand_p, ): Remove 'register' from signature.
839         (symbolic_reference_mentioned_p,
840         tls_symbolic_reference_mentioned_p): Remove 'register' from local
841         variable declarations.
842         (legitimize_address): Remove 'register' from
843         signature and local variable declarations.
844
845 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
846
847         * config/s390/s390-protos.h: (s390_match_ccmode,
848         s390_match_ccmode_set, reg_used_in_mem_p,
849         symbolic_reference_mentioned_p, tls_symbolic_reference_mentioned_p,
850         legitimate_la_operand_p, preferred_la_operand_p,
851         s390_short_displacement, addr_generation_dependency_p,
852         legitimate_reload_constant_p, legitimate_address_p): Change return type
853         into 'bool'.
854         (s390_tm_ccmode): Change type of parameter "mixed" into 'bool'.
855         * config/s390/s390.c: (s390_match_ccmode,
856         symbolic_reference_mentioned_p, tls_symbolic_reference_mentioned_p,
857         legitimate_reload_constant_p): Change return type into 'bool'.
858         (preferred_la_operand_p,legitimate_la_operand_p, legitimate_address_p):
859         Likewise.  Additionally adapted comment.
860         (s390_extra_constraint_p): Change Comment to reflect 'int' return type.
861         (s390_tm_ccmode): Change type of parameter "mixed" into 'bool'.
862         (s390_decompose_address): Change the type of the internal flags
863         "pointer", "base_ptr", "indx_ptr", and the return value into 'bool'.
864         (struct s390_address): Change type of "pointer" into bool.
865         * config/s390/s390.md: ("*tmdi_reg", "*tmsi_reg", "tm<mode>_full"):
866         Adapt calls for 's390_tm_ccmode' to the new signature.
867
868 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
869
870         * config/s390/s390.c: (s390_match_ccmode_set,
871         s390_branch_condition_mnemonic, s390_short_displacement,
872         s390_decompose_address, get_thread_pointer, legitimize_tls_address,
873         print_shift_count_operand, get_some_local_dynamic_name,
874         get_some_local_dynamic_name_1, reg_used_in_mem_p,
875         addr_generation_dependency_p, s390_split_branches,
876         annotate_constant_pool_refs, find_constant_pool_ref,
877         replace_constant_pool_ref, find_ltrel_base, replace_ltrel_base,
878         s390_optimize_prologue, find_unused_clobbered_reg, s390_frame_area,
879         s390_register_info, s390_frame_info, s390_init_frame_layout,
880         s390_update_frame_layout, save_fpr, restore_fpr, save_gprs,
881         restore_gprs, s390_function_arg_size, s390_function_arg_float,
882         s390_init_machine_status, s390_assemble_integer, s390_handle_option,
883         s390_encode_section_info, s390_cannot_force_const_mem,
884         s390_delegitimize_address, s390_return_in_memory, s390_init_builtins,
885         s390_expand_builtin, s390_output_mi_thunk, s390_safe_attr_type,
886         s390_adjust_priority, s390_issue_rate,
887         s390_first_cycle_multipass_dfa_lookahead, s390_cannot_copy_insn_p,
888         s390_rtx_costs, s390_address_cost, s390_reorg, s390_valid_pointer_mode,
889         s390_build_builtin_va_list, s390_gimplify_va_arg,
890         s390_function_ok_for_sibcall, s390_call_saved_register_used,
891         s390_pass_by_reference, s390_fixed_condition_code_regs,
892         s390_cc_modes_compatible s390_mainpool_start,, s390_mainpool_finish,
893         s390_mainpool_cancel, s390_chunkify_start, s390_chunkify_finish,
894         s390_chunkify_cancel, s390_start_pool, s390_end_pool,
895         s390_add_pool_insn, s390_find_pool, s390_add_constant,
896         s390_find_constant, s390_add_execute, s390_find_execute,
897         s390_execute_label, s390_execute_target, s390_dump_pool,
898         s390_dump_execute, s390_alloc_pool, s390_free_pool): Remove prototypes.
899         Move target macro definitions to the end of the file.  Move several
900         functions within the file to assure correct compiling.
901
902 2005-05-09  Steven Bosscher  <stevenb@suse.de>
903
904         * calls.c (purge_reg_equiv_notes): Remove, fold into...
905         (fixup_tail_calls): ...here.  Only look at insns between the
906         start of the function and the FUNCTION_BEG insn note.
907
908         * gcse.c (one_cprop_pass): Fix typos in dumps.
909
910         * tree-ssa-operands.h (FOR_EACH_PHI_ARG): Fix typos.
911
912 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
913
914         * config/s390/s390.h: Move xxx_REGNUM definitions to s390.md.
915         * config/s390/s390.md: ("SIBCALL_REGNUM", "BASE_REGNUM",
916         "RETURN_REGNUM", "CC_REGNUM", "TP_REGNUM"): New constants.
917         Replace every occurrence of '(reg:<MODE> 33)' by '(reg:<MODE>
918         CC_REGNUM)'.
919         ("get_tp_64", "get_tp_31", "set_tp_64", "set_tp_31"): Replace
920         '(reg:<MODE> 36)' by '(reg:<MODE> TP_REGNUM)'.
921         ("*sibcall_br", "*sibcall_value_br"): Replace '(reg:DI 1)' by '(reg:DI
922         REG_SC)'.
923
924 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
925
926         * config/s390/s390.md: ("gf") New mode attribute.
927         ("fixuns_truncdfdi2", "fixuns_truncdfsi2", "fixuns_truncsfdi2",
928         "fixuns_truncsfsi2"): Merge.
929         ("fix_truncdfdi2", "fix_truncsfdi2"): Merge.
930         ("fix_truncdfdi2_ieee", "fix_truncdfsi2_ieee", "fix_truncsfdi2_ieee",
931         "fix_truncsfsi2_ieee"): Merge.
932
933 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
934
935         * config/s390/s390.md: ("FPR") New mode macro.
936         ("de", "dee"): New mode attributes.
937         ("cmpdf", "cmpsf"): Merge.
938         ("*cmpdf_ccs_0", "*cmpsf_ccs_0"): Merge.
939         ("*cmpdf_ccs_0_ibm", "*cmpdf_ccs_0_ibm"): Merge.
940         ("*cmpdf_ccs", "*cmpsf_ccs"): Merge.
941         ("*cmpdf_ccs_ibm", "*cmpsf_ccs_ibm"): Merge.
942         ("floatdidf2", "floatdisf2"): Merge.
943         ("adddf3", "addsf3"): Merge.
944         ("*adddf3", "*addsf3"): Merge.
945         ("*adddf3_cc", "*addsf3_cc"): Merge.
946         ("*adddf3_cconly", "*addsf3_cconly"): Merge.
947         ("*adddf3_ibm", "*addsf3_ibm"): Merge.
948         ("subdf3", "subsf3"): Merge.
949         ("*subdf3", "*subsf3"): Merge.
950         ("*subdf3_cc", "*subsf3_cc"): Merge.
951         ("*subdf3_cconly", "*subsf3_cconly"): Merge.
952         ("*subdf3_ibm", "*subsf3_ibm"): Merge.
953         ("muldf3", "mulsf3"): Merge.
954         ("*muldf3", "*mulsf3" "): Merge.
955         ("*muldf3_ibm", "*mulsf3_ibm"): Merge.
956         ("*fmadddf", "*fmaddsf"): Merge.
957         ("*fmsubdf", "*fmsubsf"): Merge.
958         ("divdf3", "divsf3"): Merge.
959         ("*divdf3", "*divsf3"): Merge.
960         ("*divdf3_ibm", "*divsf3_ibm"): Merge.
961         ("negdf2", "negsf2"): Merge.
962         ("*negdf2_cc", "*negsf2_cc"): Merge.
963         ("*negdf2_cconly", "*negsf2_cconly"): Merge.
964         ("*negdf2", "*negsf2"): Merge.
965         ("*negdf2_ibm", "*negsf2_ibm"): Merge.
966         ("absdf2", "abssf2"): Merge.
967         ("*absdf2_cc", "*abssf2_cc"): Merge.
968         ("*absdf2_cconly", "*abssf2_cconly"): Merge.
969         ("*absdf2", "*abssf2"): Merge.
970         ("*absdf2_ibm", "*abssf2_ibm"): Merge.
971         ("*negabsdf2_cc", "*negabssf2_cc"): Merge.
972         ("*negabsdf2_cconly", "*negabssf2_cconly"): Merge.
973         ("*negabsdf2", "*negabssf2"): Merge.
974         ("sqrtdf2", "sqrtsf2"): Merge.
975
976 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
977
978         * config/s390/s390.c: (s390_adjust_priority): Adapt to changed
979         attribute names.
980         * config/s390/2084.md: ("x_fsimpd", "x_fsimps", "x_fdivd", "x_fdivs",
981         "x_floadd", "x_floads", "x_fstored", "x_fstores"): Rename to
982         ("x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
983         "x_floadsf", "x_fstoredf", "x_fstoresf") and replace 'type'
984         attribute names.
985         * config/s390/s390.md: ("type"): Rename "fsimpd, fsimps, floadd, floads,
986         fstored, fstores, fmuld, fmuls, fdivd, fdivs, fsqrtd, fsqrts" to
987         "fsimpdf, fsimpsf, floaddf, floadsf, fstoredf, fstoresf, fmuldf,
988         fmulsf, fdivdf, fdivsf, fsqrtdf, fsqrtsf".
989         ("*cmpdf_ccs_0", "*cmpdf_css_0_ibm", "*cmpdf_ccs",
990         "*cmpdf_ccs_ibm", "*cmpsf_ccs_0", "*cmpsf_css_0_ibm",
991         "*cmpsf_ccs", "*cmpsf_ccs_ibm", "*movdi_64", "*movdi_31",
992         "*movsi_zarch", "*movsi_esa", "*movdf_64", "*movdf_31", "movsf",
993         "*muldf3", "*muldf3_ibm", "*fmadddf", "*fmsubdf", "*mulsf3",
994         "mulsf3_ibm", "*fmaddsf", "fmsubsf", "*divdf3", "*divdf3_ibm",
995         "*negdf2_cc", "*negdf2_cconly", "*negdf2", "*negdf2_ibm",
996         "*negsf2_cc", "*negsf2_cconly", "*negsf2", "*absdf2_cc",
997         "*absdf2_cconly", "*absdf2", "*absdf2_ibm", "*abssf2_cc",
998         "*abssf2_cconly", "*abssf2", "*abssf2_ibm", "*negabsdf2_cc",
999         "*negabsdf2_cconly", "*negabsdf2", "*negabssf2_cc",
1000         "*negabssf2_cconly", "*negabssf2", "sqrtdf2", "sqrtsf2"): Rename
1001         'type' value.
1002         ("*divsf3"): Additionally rename second pattern to
1003         "*divsf3_ibm".
1004         ("truncdfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
1005         "*adddf3", "*adddf3_cc", "*adddf3_cconly", "*adddf3_ibm",
1006         "*addsf3", "*addsf3_cc", "*addsf3_cconly", "*subdf3",
1007         "subdf3_cc", "*subdf3_cconly", "*subdf3_ibm", "*subsf3",
1008         "subsf3_cc", "*subsf3_cconly", "*subsf3_ibm"): Merge identical
1009         'type values' and rename 'type' value.
1010         ("*addsf3"): Additionally rename second pattern to
1011         "*addsf3_ibm".
1012
1013 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1014
1015         * config/s390/s390.md: ("SHIFT"): New mode macro.
1016         ("lr", "shift"): New mode attributes.
1017         ("ashldi3", "lshrdi3"): Merge.
1018         ("*ashldi3_31", "*lshrdi3"_31): Merge.
1019         ("*ashldi3_64", "*lshrdi3"_64): Merge.
1020         ("ashlsi3", "lshrsi3"): Merge.
1021
1022 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1023
1024         * config/s390/s390.md: ("DSI", "SCOND"): New mode
1025         macros.
1026         ("E", "g"): New mode attributes.
1027         ("*adddi3_alc_cc", "*addsi3_alc_cc"): Merge.
1028         ("*adddi3_alc", "*addsi3_alc"): Merge.
1029         ("*subdi3_slb_cc", "*subsi3_slb_cc"): Merge.
1030         ("*subdi3_slb", "*subsi3_slb"): Merge.
1031         ("adddicc", "addsicc"): Merge.
1032         ("*sconddi", "*scondsi"): Merge.
1033         ("*sconddi_neg", "*scondsi_neg"): Merge.
1034         ("sltu", "sgtu", "sleu", "sgeu"): Merge.
1035         ("negdi2", "negsi2"): Extract expander pattern from
1036         "negsi2" and merge with "negdi2".
1037         ("*negdi2"): Merge with instruction pattern of "negsi2".
1038         ("*negdi2_cc", "*negsi2_cc"): Merge.
1039         ("*negdi2_cconly", "*negsi2_cconly"): Merge.
1040         ("rotldi3", "rotlsi3"): Merge.
1041
1042 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1043
1044         * config/s390/s390.md: ("hc"): New mode attribute.
1045         ("extendhidi2", "extendqidi2"): Merge.
1046         ("*extendhidi2", "*extendqidi2"): Merge.
1047         ("extendhisi2", "extendqisi2"): Merge.
1048         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
1049         ("*zero_extendhidi2", "*zero_extendqidi2"): Merge.
1050         Merged 2 define_split.
1051         ("*zero_extendhisi2", "*zero_extendqisi2"): Merge.
1052         ("*zero_extendhisi2_64", "*zero_extendqisi2_64"): Merge.
1053
1054 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1055
1056         * config/s390/s390.md: ("COMPARE"): New mode macro.
1057         ("beq", "bne", "bgt", "bgtu", "blt", "bltu", "bge", "bgeu",
1058         "ble", "bleu", "bunordered", "bordered", "buneq", "bunlt",
1059         "bungt", "bunle", "bunge", "bltgt"): Merge.
1060
1061 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1062
1063         * config/s390/s390.md: ("INT"): New mode macro.
1064         ("one_cmpldi2", "one_cmplsi2", "one_cmplhi2", "one_cmplqi2"):
1065         Merge.
1066
1067 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1068
1069         * config/s390/s390.md: ("GPR", "P"): New mode macros.
1070         ("cmpdi", "cmpsi"): Merge.
1071         ("strlendi", "strlensi"): Merge.
1072         ("*strlendi", "*strlensi"): Merge.
1073         ("movmemdi", "movmemsi"): Merge.
1074         ("clrmemdi", "clrmemsi"): Merge.
1075
1076 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1077
1078         * config/s390/s390.md: ("HQI"): New mode macro.
1079         ("icm_lo", "icm_hi", "max_uint"): New mode attributes.
1080         ("*tmhi_full", "*tmqi_full"): Merge.
1081         ("*tsthiCCT", "*tstqiCCT"): Merge.
1082         ("*tsthi", "*tstqi"): Merge.
1083         ("*tsthi_cconly", "tstqi_cconly"): Merge.
1084         ("*sethighhisi", "*sethighqisi"): Merge.
1085
1086 2005-05-09  Kazu Hirata  <kazu@cs.umass.edu>
1087
1088         * crtstuff.c, integrate.h, tree-scalar-evolution.h,
1089         config/alpha/unicosmk.h, config/arc/arc.md,
1090         config/arm/bpabi.h, config/arm/coff.h, config/arm/elf.h,
1091         config/arm/ieee754-df.S, config/arm/ieee754-sf.S,
1092         config/arm/netbsd.h, config/arm/pe.c, config/arm/pe.h,
1093         config/arm/semi.h, config/arm/uclinux-elf.h,
1094         config/arm/wince-pe.h, config/fr30/fr30.c,
1095         config/rs6000/altivec.h: Update copyright.
1096
1097 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
1098
1099         * config/pdp11/pdp11.c (pdp11_output_function_prologue): Use
1100         gcc_assert and gcc_unreachable as appropriate.
1101         (pdp11_output_function_epilogue, output_move_double,
1102         output_move_quad, print_operand_address, output_jump,
1103         output_addr_const_pdp11): Likewise.
1104         * config/pdp11/pdp11.h (FUNCTION_PROFILER,
1105         ASM_OUTPUT_ALIGN): Likewise.
1106         * config/pdp11/pdp11.md: Likewise.
1107         (extendhisi2, subhi3, subqi3): Likewise.
1108
1109 2005-05-09  David Edelsohn  <edelsohn@gnu.org>
1110
1111         PR middle-end/21237
1112         * dojump.c (do_jump, MINUS_EXPR): Build NE_EXPR and fall through
1113         to NE_EXPR case.
1114
1115 2005-05-09  Kazu Hirata  <kazu@cs.umass.edu>
1116
1117         * config/ia64/ia64.c: Fix a comment typo.
1118
1119 2005-05-09  Richard Earnshaw  <rearnsha@arm.com>
1120
1121         PR target/21397
1122         * arm.c (ARM_OPT_SET_CPU, ARM_OPT_SET_ARCH, ARM_OPT_SET_TUNE): Define.
1123         (arm_override_options): Use them instead of manifest constants.  Don't
1124         allow -march to override the -mtune setting.
1125
1126 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
1127
1128         * config/iq2000/iq2000.c (abort_with_insn): Use fancy_abort.
1129         (gen_int_relational): Use gcc_unreachable and gcc_assert as necessary.
1130         (function_arg_advance, function_arg, save_restore_insns,
1131         iq2000_expand_prologue, iq2000_output_conditional_branch,
1132         expand_one_builtin, print_operand):
1133         * config/iq2000/iq2000.md (tablejump): Likewise.
1134
1135 2005-05-09  David Ung  <davidu@mips.com>
1136
1137         * config/mips/mips.h (processor_type): Add names for the 24K.
1138         * config/mips/mips.c (mips_cpu_info_table): Add names for the 24K
1139         processor family.
1140         * config/mips/mips.md (cnv_mode): New attribute for recording the
1141         conversion types of float convert insns.
1142         (cpu): Add 24k and 24kx.
1143         (include): Include 24k.md file.
1144         (truncdfsf2, extendsfdf2, fix_truncdfsi2_insn, fix_truncdfsi2_macro)
1145         (fix_truncdfdi2, fix_truncsfdi2, floatsidf2, floatdidf2, floatsisf2)
1146         (floatdisf2): Setup cnv_mode.
1147         (fix_truncsfsi2_insn, fix_truncsfsi2_macro): Changed mode to SF and
1148         setup cnv_mode.
1149         * config/mips/24k.md: New file, contains 24k DFA pipeline
1150         description.
1151
1152 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
1153
1154         * config/sh/sh.c (print_operand_address): Use gcc_assert and
1155         gcc_unreachable as appropriate.
1156         (print_operand, prepare_move_operands, prepare_scc_operands,
1157         output_movedouble, output_branch, shift_insns_rtx, gen_shifty_op,
1158         gen_shl_and, shl_sext_kind, gen_datalabel_ref, dump_table,
1159         fixup_mova, gen_far_branch, sh_reorg, split_branches,
1160         final_prescan_insn, output_stack_adjust, sh_expand_epilogue,
1161         sh_set_return_address, sh_setup_incoming_varargs,
1162         initial_elimination_offset, sh_pch_valid_p, get_free_reg,
1163         sh_expand_builtin, sh_output_mi_thunk, extract_sfunc_addr,
1164         check_use_sfunc_addr): Likewise.
1165         * config/sh/netbsd-elf.h (FUNCTION_PROFILER): Likewise.
1166         * config/sh/sh.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Likewise.
1167         * config/sh/symbian.c (sh_symbian_mark_dllexport,
1168         sh_symbian_mark_dllimport): Likewise.
1169         * config/sh/sh.md: Likewise.
1170         (movdicc, call_pop, call_value_pop, casesi_worker_1,
1171         casesi_worker_2, casesi_shift_media, casesi_load_media,
1172         return_media): Likewise.
1173
1174 2005-05-08  Roger Sayle  <roger@eyesopen.com>
1175
1176         PR inline-asm/8788
1177         * stmt.c (expand_asm_operands): Avoid calling force_reg on BLKmode
1178         operands.
1179
1180 2005-05-08  Richard Henderson  <rth@redhat.com>
1181
1182         * config/alpha/alpha.c (adjust_address): Fix typo last change.
1183
1184 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
1185
1186         * config/m68hc11/m68hc11.h (REG_VALID_P): A regno must be >= 0
1187         and -1 can happen in reg_renumber when no hard register is assigned.
1188
1189 2005-05-08  Steven Bosscher  <stevenb@suse.de>
1190             Kazu Hirata  <kazu@cs.umass.edu>
1191
1192         PR tree-optimization/14841, tree-optimization/15838
1193         * tree-ssa-ccp.c (fold_const_aggregate_ref): New.
1194         (evaluate_stmt): Call it.
1195
1196 2005-05-08  Jakub Jelinek  <jakub@redhat.com>
1197
1198         * config/ia64/ia64.c (ia64_override_options): Don't set
1199         ia64_flag_var_tracking and clear flag_var_tracking here...
1200         (ia64_file_start): ... but here.
1201
1202 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
1203
1204         * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use gcc_assert
1205         and gcc_unreachable as appropriate.
1206         (expand_prologue, expand_epilogue, m68hc11_gen_lowpart,
1207         m68hc11_gen_highpart, print_operand, print_operand_address,
1208         m68hc11_expand_compare, m68hc11_expand_compare_and_branch,
1209         m68hc11_gen_movhi): Likewise.
1210         * config/m68hc11/m68hc11.h (HARD_X_REGNUM): Reword comment.
1211         * config/m68hc11/m68hc11.md: Reword comment.
1212
1213 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
1214
1215         PR target/21281
1216         * config/m68hc11/predicates.md (splitable_operand): An immediate is
1217         allowed.
1218
1219 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
1220
1221         * config/m68hc11/predicates.md (reg_or_some_mem_operand): Do not allow
1222         the 68HC12 address indirect addressing mode as it is not supported by
1223         bset and bclr.
1224         * config/m68hc11/m68hc11-protos.h
1225         (m68hc11_valid_addressing_p): Declare.
1226         (m68hc11_add_mode): Declare.
1227         * config/m68hc11/m68hc11.c (m68hc11_valid_addressing_p): Rename from
1228         register_indirect_p and export it.
1229         (m68hc11_z_replacement): Use emit_insn_after when adding the save Z
1230         instruction so that it is part of the good BB.
1231         (m68hc11_gen_movhi): Fix invalid generation of indexed indirect
1232         addressing with movw.
1233         (m68hc11_gen_movqi): Use pula and pulb instead of lda and ldb for
1234         68HC12.
1235         * config/m68hc11/m68hc11.h (ADDR_STRICT, ADDR_INCDEC, ADDR_INDEXED,
1236         ADDR_OFFSET, ADDR_INDIRECT, ADDR__CONST): Moved from m68hc11.c.
1237         * config/m68hc11/m68hc11.md ("movhi_const0"): Use this pattern only
1238         for 68HC11.
1239         ("*movhi_68hc12"): Handle movhi_const0.
1240         ("*subhi3", "subqi3"): Use general_operand for operand 1.
1241         ("*subhi3_zext"): Likewise.
1242
1243 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
1244
1245         PR target/19051
1246         * config/m68hc11/m68hc11.md ("mulqi3"): Use general_operand for
1247         operand 1 and fix constraints.
1248         ("mulqihi3"): Use general_operand for operand 2.
1249
1250 2005-05-08  Julian Brown  <julian@codesourcery.com>
1251             H.J. Lu  <hongjiu.lu@intel.com>
1252             Paul Brook  <paul@codesourcery.com>
1253
1254         * configure.ac: Set ld_vers_major, ld_vers_minor and ld_vers_patch for
1255         GNU linker. Support linker version x.x.x.x.x. Require GNU linker
1256         20050308/2.16.0 or newer for comdat group.
1257         * configure: Regenerated.
1258         * config.in: Regenerated.
1259         * varasm.c (default_function_rodata_section): Put .rodata section in
1260         COMDAT group when necessary.
1261         (default_elf_asm_named_section): Rename HAVE_GAS_COMDAT_GROUP to
1262         HAVE_COMDAT_GROUP.
1263         (default_unique_section_1): Don't use .gnu.linkonce when COMDAT is
1264         available.
1265
1266 2005-05-08  Kazu Hirata  <kazu@cs.umass.edu>
1267
1268         * tree-dfa.c (referenced_vars, add_referenced_var): Use VEC
1269         instead of VARRAY.
1270         * tree-flow.h (num_referenced_var, referenced_var): Likewise.
1271         * tree-into-ssa.c (mark_def_site_blocks): Likewise.
1272         * tree-ssa.c (init_tree_ssa, delete_tree_ssa): Likewise.
1273         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
1274
1275 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
1276
1277         PR target/16925
1278         * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Handle split of
1279         64-bit constants on 64-bit hosts.
1280         (m68hc11_split_logical): Simplify.
1281         (m68hc11_split_move): Likewise.
1282
1283 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
1284             Paolo Bonzini  <bonzini@gnu.org>
1285
1286         * Makefile.in (cs-tconfig.h): Pass USED_FOR_TARGET to mkconfig.sh
1287         * aclocal.m4 (GCC_TARGET_TEMPLATE, AH_TEMPLATE): New.
1288         * configure.ac (enable_checking): Fix typos in runtime_checking.
1289         (ENABLE_RUNTIME_CHECKING): Mark as target template.
1290         (xm_file): Prepend auto-host.h
1291         (HAVE_GAS_HIDDEN, HAVE_LD_EH_FRAME_HDR): Mark as target template.
1292         * mkconfig.sh: Do not automatically define USED_FOR_TARGET in
1293         tconfig.h.
1294         * crtstuff.c: Do not include auto-host.h.
1295         (IN_LIBGCC2): Do not define.
1296         * gcov-io.h: Include tconfig.h, not auto-host.h.
1297         * libgcc2.c: Do not include auto-host.h.
1298         (abort): Do not undefine.
1299         * libgcov.c: Remove unneeded comment about config.h.
1300         * unwind-dw2-fde-glibc.c: Do not inlude auto-host.h.
1301         * config.in, configure: Regenerated.
1302
1303 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
1304             Falk Hueffner  <falk@debian.org>
1305
1306         * config/alpha/alpha.c (tls_symbolic_operand_1): Use gcc_assert
1307         and gcc_unreachable as appropriate.
1308         (get_aligned_mem, get_unaligned_address,
1309         alpha_emit_set_long_const, alpha_emit_conditional_branch,
1310         alpha_emit_setcc, alpha_emit_conditional_move,
1311         alpha_lookup_xfloating_lib_func, alpha_compute_xfloating_mode_arg,
1312         alpha_emit_xfloating_libcall, alpha_split_tfmode_pair,
1313         alpha_expand_unaligned_load, alpha_expand_block_move,
1314         alpha_expand_zap_mask, get_trap_mode_suffix,
1315         get_round_mode_suffix, get_some_local_dynamic_name,
1316         print_operand_address, function_arg, alpha_return_in_memory,
1317         function_value, alpha_expand_builtin,
1318         alpha_initial_elimination_offset, alpha_expand_epilogue,
1319         summarize_insn, alpha_handle_trap_shadows, alphaev5_insn_pipe,
1320         alphaev5_next_group, alpha_align_insns,
1321         unicosmk_initial_elimination_offset, unicosmk_unique_section,
1322         unicosmk_ssib_name): Likewise.
1323         * config/alpha/alpha.h (ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
1324         * config/alpha/unicosmk.h (TRAMPOLINE_TEMPLATE,
1325         ASM_OUTPUT_ADDR_DIFF_ELT, ASM_OUTPUT_ADDR_DIFF_VEC): Likewise.
1326         * config/alpha/vms.h (INITIAL_ELIMINATION_OFFSET,
1327         ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
1328         * config/alpha/alpha.md (*divmodsi_internal_er,
1329         *divmoddi_internal_er, ashldi3, *insxl, sibcall, call_osf,
1330         call_nt, call_umk, call_vms, call_value, sibcall_value,
1331         call_value_osf, call_value_nt, call_value_vms, call_value_umk,
1332         *call_vms_1, *movmemdi_1, *clrmemdi_1, *call_value_vms_1): Likewise.
1333         * config/alpha/predicates.md (input_operand): Likewise.
1334
1335 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
1336
1337         * config/frv/frv.c (frv_default_flags_for_cpu): Use gcc_assert and
1338         gcc_unreachable, as appropriate.
1339         (frv_function_prologue, frv_alloc_temp_reg,
1340         frv_initial_elimination_offset, frv_expand_block_move,
1341         frv_expand_block_clear, frv_print_operand_jump_hint,
1342         frv_legitimize_tls_address, unspec_got_name, frv_emit_move,
1343         frv_emit_movsi, frv_split_cond_move, frv_split_minmax,
1344         frv_ifcvt_modify_insn, frv_ifcvt_modify_final,
1345         frv_adjust_field_align, frv_insn_unit, frv_cond_flags,
1346         frv_sort_insn_group, frv_reorder_packet, frv_matching_accg_mode,
1347         frv_in_small_data_p, frv_asm_out_constructor,
1348         frv_asm_out_destructor, frv_output_dwarf_dtprel): Likewise.
1349         * config/frv/frv.md (reload_incc_fp, *cond_exec_si_binary1,
1350         *cond_exec_si_binary2, *cond_exec_si_divide, *cond_exec_si_unary1,
1351         *cond_exec_sf_conv, *cond_exec_sf_add, call, sibcall, call_value,
1352         sibcall_value, casesi): Likewise.
1353
1354         * config/mn10300/mn10300.c (print_operand): Use gcc_assert and
1355         gcc_unreachable as appropriate.
1356         (print_operand_address, mn10300_print_reg_list, expand_prologue,
1357         expand_epilogue, notice_update_cc, initial_offset,
1358         mn10300_address_cost_1): Likewise.
1359         * config/mn10300/mn10300.md: Likewise.
1360         (absdf2, abssf2, negdf2, negsf2): Likewise.
1361
1362 2005-05-08  Richard Sandiford  <rsandifo@redhat.com>
1363
1364         PR target/21416
1365         * config/mips/mips.c (mips_emit_compare): Don't reverse UNGE and UNGT
1366         comparisons.
1367         * config/mips/mips.md (swapped_fcond): New code macro and attribute.
1368         (sgt_<mode>, sge_<mode>): Generalize to all members of swapped_fcond,
1369         including sunge_<mode> and sungt_<mode>.
1370
1371 2005-05-08  Richard Sandiford  <rsandifo@redhat.com>
1372
1373         * integrate.h (get_hard_reg_initial_val): Change type of register
1374         parameter from int to unsigned int.
1375         (has_hard_reg_initial_val): Likewise.
1376         * integrate.c (get_hard_reg_initial_val): Likewise.
1377         (has_hard_reg_initial_val): Likewise.  Remove cast to unsigned int.
1378
1379 2005-05-08  Kazu Hirata  <kazu@cs.umass.edu>
1380
1381         * except.c (eh_status): Change the type of ttype_data to
1382         VEC(tree,gc)*.
1383         (add_ttypes_entry, assign_filter_values,
1384         output_function_exception_table): Use VEC instead of VARRAY.
1385
1386 2005-05-07  David Edelsohn  <edelsohn@gnu.org>
1387
1388         * config/rs6000/rs6000.md (popcount<mode>2): Fix non-C90 constant.
1389
1390 2005-05-07  Paul Brook  <paul@codesourcery.com>
1391
1392         * Makefile.in: Fix dependencies.
1393         (GCOV_IO_H, VARRAY_H): Set.
1394
1395 2005-05-07  Anthony Green  <green@redhat.com>
1396
1397         PR bootstrap/21403
1398         * configure.ac (STMP_FIXPROTO): Fix [ ] consumption problem in
1399         x$STMP_FIXPROTO test.
1400         * configure: Rebuilt.
1401
1402 2005-05-07  Joseph S. Myers  <joseph@codesourcery.com>
1403
1404         * config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Do not define
1405         inappropriate feature test macros if flag_iso.
1406
1407 2005-05-07  Joseph S. Myers  <joseph@codesourcery.com>
1408
1409         * config/ia64/hpux.h (NO_IMPLICIT_EXTERN_C): Define.
1410
1411 2005-05-07  Hans-Peter Nilsson  <hp@axis.com>
1412
1413         PR target/21441
1414         * config/cris/cris.md ("*movdi_insn", "*mov_sidesisf_biap")
1415         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
1416         Handle moved operand being in special register.
1417         ("smulsi3_highpart", "umulsi3_highpart"): Change .error into
1418         presumed working insn.
1419         (mover2side): Add FIXME.
1420
1421 2005-05-07  Richard Sandiford  <rsandifo@redhat.com>
1422
1423         * integrate.c (get_func_hard_reg_initial_val): Delete.
1424         (has_func_hard_reg_initial_val): Delete.
1425         (get_hard_reg_initial_val): Inline the old implementation of
1426         get_func_hard_reg_initial_val.  Use has_hard_reg_initial_val
1427         instead of has_func_hard_reg_initial_val to test for an existing
1428         pseudo.  Only create an rtx if a new initial value entry is needed.
1429         (has_hard_reg_initial_val): Scan the initial value list directly.
1430         Don't create an rtx.
1431
1432 2005-05-07  David Edelsohn  <edelsohn@gnu.org>
1433
1434         * config.gcc ({powerpc,rs6000}-ibm-aix*): Remove rs6000/aix.opt
1435         from extra_options.
1436         * config.in (HAVE_AS_POPCNTB): New.
1437         * configure.ac (HAVE_AS_MFCRF): Add .machine "pwr5" to AIX test.
1438         (HAVE_AS_POPCNTB): New.
1439         * configure: Regenerated.
1440         * config/rs6000/aix.h (TARGET_XL_COMPAT): Delete.
1441         * config/rs6000/rs6000.c (rs6000_override_options, power5): Add
1442         MASK_POPCNTB.  Uncomment rs6000_sched_restricted_insns_priority
1443         and rs6000_sched_costly_dep.
1444         * config/rs6000/rs6000.h (TARGET_POPCNTB): New.
1445         (TARGET_XL_COMPAT): Delete.
1446         * config/rs6000/rs6000.md (UNSPEC_POPCNTB): New.
1447         (popcount<mode>2): New.
1448         (popcntb<mode>2): New.
1449         * config/rs6000/rs6000.opt (mpopcntb): New.
1450
1451         * opt-functions.awk (var_set): Emit OPTION_MASK_ for InverseMask
1452         if variable name exists.
1453
1454 2005-05-07  Matt Kraai  <kraai@ftbfs.org>
1455
1456         * Makefile.in (c-gimplify.o): Depend on $(RTL_H) instead of rtl.h.
1457
1458 2005-05-07  Richard Henderson  <rth@redhat.com>
1459
1460         PR target/21412
1461         * config/rs6000/rs6000.c (rs6000_emit_move): Look for tls addresses
1462         with constant offsets.
1463
1464 2005-05-07  Nathan Sidwell  <nathan@codesourcery.com>
1465
1466         * config/v850/v850.c (print_operand): Use gcc_assert and
1467         gcc_unreachable, as appropriate.
1468         (print_operand_address, v850_handle_data_area_attribute,
1469         v850_encode_data_area, construct_restore_jr, construct_save_jarl,
1470         v850_insert_attributes, construct_prepare_instruction): Likewise.
1471         * config/v850/v850.h (INITIAL_ELIMINATION_OFFSET): Likewise.
1472         * config/v850/v850.md (movsicc, *sasf_1): Likewise.
1473
1474 2005-05-07  Kazu Hirata  <kazu@cs.umass.edu>
1475
1476         * tree-ssa-loop-ivcanon.c, config/i386/i386.c,
1477         config/rs6000/rs6000.h: Fix comment typos.
1478
1479 2005-05-07  Richard Sandiford  <rsandifo@redhat.com>
1480
1481         * doc/invoke.texi: Remove documentation for MIPS' -mint64 option.
1482         * config/mips/mips.c (TARGET_SCALAR_MODE_SUPPORTED_P): Delete.
1483         (mips_scalar_mode_supported_p): Delete.
1484
1485 2005-05-06  Eric Christopher  <echristo@redhat.com>
1486
1487         * config/mips/mips.opt: Remove -mint64 option.
1488         * config/mips/mips.c (override_options): Remove -mint64
1489         handling.
1490         * config/mips/mips.h (INT_TYPE_SIZE): Define to 32.
1491         * config/mips/linux.h (TARGET_OS_CPP_BUILTINS): Remove
1492         64-bit integer handling.
1493         * doc/invoke.texi (Option Summary): Remove -mint64 for
1494         mips.
1495
1496 2005-05-06  Zdenek Dvorak  <dvorakz@suse.cz>
1497
1498         PR tree-optimization/19401
1499         * tree-flow.h (tree_unroll_loops_completely): Declaration changed.
1500         * tree-ssa-loop-ivcanon.c (enum unroll_level): New.
1501         (estimated_unrolled_size): New function.
1502         (try_unroll_loop_completely, canonicalize_loop_induction_variables,
1503         tree_unroll_loops_completely): Always unroll loops if the code size
1504         does not increase.
1505         * tree-ssa-loop.c (tree_complete_unroll): Indicate whether all
1506         loops should be unrolled completely.
1507         (gate_tree_complete_unroll): Run complete unrolling unconditionally.
1508
1509 2005-05-06  Zdenek Dvorak  <dvorakz@suse.cz>
1510
1511         PR rtl-optimization/21254
1512         * loop-iv.c (iv_number_of_iterations): Simplify infiniteness
1513         assumptions for loops that otherwise do not roll.
1514         (find_simple_exit): Prefer # of iterations that is guaranteed
1515         not to be infinite.
1516         * loop-unroll.c (decide_peel_once_rolling,
1517         decide_peel_completely): Check whether the loop is infinite.
1518
1519 2005-05-06  Pat Haugen  <pthaugen@us.ibm.com>
1520
1521         * config/rs6000/sysv4.opt: Fix typo.
1522
1523 2005-05-06  Denis Vlasenko  <vda@port.imtp.ilyichevsk.odessa.ua>
1524             Jakub Jelinek  <jakub@redhat.com>
1525
1526         PR target/21329
1527         * config/i386/i386.c (ix86_expand_movmem): Don't use rep; movsb
1528         for -Os if (movsl;)*(movsw;)?(movsb;)? sequence is shorter.
1529         Don't use rep; movs{l,q} if the repetition count is really small,
1530         instead use a sequence of movs{l,q} instructions.
1531
1532 2005-05-06  Jeff Law  <law@redhat.com>
1533
1534         PR tree-optimization/21380
1535         * tree-ssa-threadupdate.c (thread_through_all_blocks): Do not
1536         thread through a block with no preds.
1537
1538 2005-05-06  Kazu Hirata  <kazu@cs.umass.edu>
1539
1540         * tree-ssa-operands.c (clobbered_v_may_defs, clobbered_vuses,
1541         ro_call_vuse, fini_ssa_operands, add_call_clobber_ops,
1542         add_call_read_ops): Use VEC instead of VARRAY.
1543
1544 2005-05-06  Nathan Sidwell  <nathan@codesourcery.com>
1545
1546         * config/mcore/mcore.c (mcore_print_operand_address): Use
1547         gcc_assert and gcc_unreachable as appropriate.
1548         (mcore_print_operand, mcore_gen_compare_reg, mcore_output_call,
1549         mcore_output_andn, output_inline_const, mcore_output_move,
1550         mcore_output_movedouble, mcore_expand_block_move,
1551         layout_mcore_frame, mcore_initial_elimination_offset,
1552         mcore_expand_prolog, mcore_mark_dllexport,
1553         mcore_mark_dllimport): Likewise.
1554         * config/mcore/mcore.h (switch_to_section): Likewise.
1555         * config/mcore/mcore.md: Likewise.
1556
1557 2005-05-06  Aldy Hernandez  <aldyh@redhat.com>
1558
1559         * config/rs6000/linux64.h: Remove MASK_PROFILE_KERNEL, and
1560         TARGET_PROFILE_KERNEL.
1561
1562         * config/rs6000/rs6000.c (output_profile_hook): Add comment to
1563         TARGET_PROFILE_KERNEL use.
1564
1565 2005-05-06  Nathan Sidwell  <nathan@codesourcery.com>
1566
1567         * config/m32r/m32r.c (m32r_encode_section_info): Use gcc_assert
1568         and gcc_unreachable, as appropriate.
1569         (gen_compare, gen_split_move_double, m32r_setup_incoming_varargs,
1570         m32r_expand_prologue, m32r_output_function_epilogue,
1571         m32r_legitimize_pic_address, m32r_print_operand_address,
1572         emit_cond_move, m32r_function_symbol,
1573         m32r_output_block_move): Likewise.
1574         * config/m32r/m32r.h (INITIAL_ELIMINATION_OFFSET): Likewise.
1575         * config/m32r/m32r.md ( *movsi_insn, *zero_branch_insn,
1576         *rev_zero_branch_insn): Likewise.
1577
1578 2005-05-06  Jakub Jelinek  <jakub@redhat.com>
1579
1580         PR c++/20961
1581         * varasm.c (merge_weak): Remove NEWDECL from WEAK_DECLS chain
1582         if both NEWDECL and OLDDECL are already weak.
1583
1584 2005-05-06  Richard Sandiford  <rsandifo@redhat.com>
1585
1586         * config/rs6000/sysv4.h (EXTRA_SUBTARGET_SWITCHES): Delete.
1587
1588 2005-05-05  J"orn Rennecke  <joern.rennecke@st.com>
1589             Kaz Kojima  <kkojima@gcc.gnu.org>
1590
1591         * config/sh/sh.c (sh_builtin_saveregs): Use copy_to_mode_reg
1592         and plus_constant.
1593
1594 2005-05-05  Aldy Hernandez  <aldyh@redhat.com>
1595             David Edelsohn  <edelsohn@gnu.org>
1596
1597         * config.gcc: Add .opt magic for the rs6000 ports.
1598
1599         * doc/invoke.texi: Document -mabi= option properly.  Document
1600         -misel and -mno-sel.  Document -mspe and -mno-spe.  Document
1601         -mvrsave and -mno-vrsave.  Document deprecation of -mspe= and
1602         -misel=.
1603
1604         * config/rs6000/aix.h: Remove XL_COMPAT stuff.  Remove
1605         SUBTARGET_SWITCHES and SUBSUBTARGET_SWITCHES.  Define
1606         TARGET_XL_COMPAT.
1607
1608         * config/rs6000/aix.opt: New.
1609         * config/rs6000/aix41.opt: New.
1610         * config/rs6000/aix64.opt: New.
1611         * config/rs6000/darwin.opt: New.
1612         * config/rs6000/linux64.opt: New.
1613         * config/rs6000/rs6000.opt: New.
1614         * config/rs6000/sysv4.opt: New.
1615
1616         * config/rs6000/sysv4.h: Delete definitions of MASK_* and
1617         associated TARGET_*.  Remove SUBTARGET_OPTIONS,
1618         SUBTARGET_SWITCHES.
1619         Define TARGET_USES_SYSV4_OPT.
1620         * config/rs6000/aix41.h: Remove SUBSUBTARGET_SWITCHES.
1621         * config/rs6000/aix43.h: Remove SUBSUBTARGET_SWITCHES.  Define
1622         TARGET_USES_AIX64_OPT.
1623         * config/rs6000/aix51.h: Same.
1624         * config/rs6000/aix52.h: Same.
1625         * config/rs6000/darwin.h: Remove SUBTARGET_SWITCHES,
1626         MASK_MACHO_DYNAMIC_NO_PIC, TARGET_MACHO_DYNAMIC_NO_PIC.
1627         Use TARGET_ALTIVEC_VRSAVE instead of rs6000_altivec_vrsave.
1628         Define TARGET_DYNAMIC_NO_PIC as TARGET_MACHO_DYNAMIC_NO_PIC.
1629         * config/rs6000/linux64.h: Use
1630         rs6000_explicit_options.  Remove EXTRA_SUBTARGET_SWITCHES.
1631
1632         * config/rs6000/rs6000.c: Remove definitions of
1633         rs6000_sched_restricted_insns_priority,
1634         rs6000_long_double_size_string, rs6000_altivec_vrsave,
1635         rs6000_altivec_vrsave_string, rs6000_isel, rs6000_spe,
1636         rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string,
1637         rs6000_abi_string, rs6000_warn_altivec_long, rs6000_longcall,
1638         rs6000_alignment_string.  Define rs6000_explicit_options.
1639         (rs6000_parse_abi_options): Remove.
1640         (rs6000_parse_alignment_option): Remove.
1641         (rs6000_parse_float_gprs_option): Remove.
1642         (rs6000_handle_option): New.  Define TARGET_HANDLE_OPTION.  Define
1643         TARGET_DEFAULT_TARGET_FLAGS.
1644         (rs6000_override_options): Revamp to use new .opt machinery.
1645
1646         * config/rs6000/rs6000.h: Remove old MASK_* and TARGET_* in favor
1647         of new .opt machinery.  Remove target_flags.  Redefine
1648         TARGET_MFCRF and TARGET_POWERPC64.  Remove TARGET_SWITCHES,
1649         SUBTARGET_SWITCHES, TARGET_OPTIONS, SUBTARGET_OPTIONS,
1650         rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string,
1651         rs6000_altivec_vrsave_string, rs6000_altivec_vrsave,
1652         rs6000_longcall_switch, rs6000_default_long_calls,
1653         rs6000_sched_costly_dep_str, rs6000_sched_costly_dep,
1654         rs6000_warn_altivec_long, rs6000_warn_altivec_long_switch, and
1655         TARGET_ALTIVEC_VRSAVE.
1656
1657 2005-05-05  Ralf Corsepius  <ralf.corsepius@rtems.org>
1658
1659         * config.gcc (hppa1.1-*-rtems*): Remove.
1660         * config/pa/rtems.h: Remove.
1661
1662 2005-05-05  Ralf Corsepius  <ralf.corsepius@rtems.org>
1663
1664         * config/rs6000/t-rtems (MULTILIB_NEW_EXCEPTIONS_ONLY):
1665         Exclude roe/603e multilib variants.
1666
1667 2005-05-04  Denis Chertykov  <denisc@overta.ru>
1668
1669         PR target/21284
1670         * config/avr/avr.c (avr_output_addr_vec_elt): Use special section
1671         for output.
1672
1673 2005-05-05  Richard Sandiford  <rsandifo@redhat.com>
1674
1675         * config.gcc (arm*-wince-pe*, arm-*-pe*, strongarm-*-pe): Add
1676         arm/pe.opt to $extra_options.
1677         * config/arm/arm.h (target_flags, target_fpu_name, target_fpe_name)
1678         (target_float_abi_name, target_float_switch, target_abi_name)
1679         (ARM_FLAG_APCS_FRAME, ARM_FLAG_POKE, ARM_FLAG_FPE, ARM_FLAG_APCS_STACK)
1680         (ARM_FLAG_APCS_FLOAT, ARM_FLAG_APCS_REENT, ARM_FLAG_BIG_END)
1681         (ARM_FLAG_INTERWORK, ARM_FLAG_LITTLE_WORDS, ARM_FLAG_NO_SCHED_PRO)
1682         (ARM_FLAG_ABORT_NORETURN, ARM_FLAG_SINGLE_PIC_BASE)
1683         (ARM_FLAG_LONG_CALLS, ARM_FLAG_THUMB, THUMB_FLAG_BACKTRACE)
1684         (THUMB_FLAG_LEAF_BACKTRACE, THUMB_FLAG_CALLEE_SUPER_INTERWORKING)
1685         (THUMB_FLAG_CALLER_SUPER_INTERWORKING, CIRRUS_FIX_INVALID_INSNS)
1686         (TARGET_APCS_FRAME, TARGET_POKE_FUNCTION_NAME, TARGET_FPE)
1687         (TARGET_APCS_STACK, TARGET_APCS_FLOAT, TARGET_APCS_REENT)
1688         (TARGET_BIG_END, TARGET_INTERWORK, TARGET_LITTLE_WORDS)
1689         (TARGET_NO_SCHED_PRO, TARGET_ABORT_NORETURN, TARGET_SINGLE_PIC_BASE)
1690         (TARGET_LONG_CALLS, TARGET_THUMB, TARGET_CALLER_INTERWORKING)
1691         (TARGET_CIRRUS_FIX_INVALID_INSNS, SUBTARGET_SWITCHES, TARGET_SWITCHES)
1692         (TARGET_OPTIONS, arm_cpu_select, arm_select,  structure_size_string)
1693         (arm_pic_register_string): Delete.
1694         (TARGET_BACKTRACE): Redefine using TARGET_TPCS_LEAF_FRAME and
1695         TARGET_TPCS_FRAME.
1696         (TARGET_DEFAULT, CONDITIONAL_REGISTER_USAGE): Update mask names.
1697         * config/arm/coff.h (TARGET_DEFAULT): Likewise.
1698         * config/arm/elf.h (TARGET_DEFAULT): Likewise.
1699         * config/arm/netbsd-elf.h (TARGET_DEFAULT): Likewise.
1700         * config/arm/netbsd.h (TARGET_DEFAULT): Likewise.
1701         * config/arm/semi.h (TARGET_DEFAULT): Likewise.
1702         * config/arm/uclinux-elf.h (TARGET_DEFAULT): Likewise.
1703         * config/arm/wince-pe.h (TARGET_DEFAULT): Likewise.
1704         * config/arm/pe.h (TARGET_DEFAULT): Likewise.
1705         (TARGET_FLAG_NOP_FUN, TARGET_NOP_FUN_DLLIMPORT): Delete.
1706         (SUBTARGET_SWITCHES): Delete.
1707         * config/arm/arm.c (target_float_switch): Delete.
1708         (arm_cpu_select): Moved from config/arm/arm.h.
1709         (target_fpu_name, target_fpe_name, target_float_abi_name)
1710         (target_abi_name, structure_size_string, arm_pic_register_string)
1711         (arm_select): Make static.
1712         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1713         (arm_handle_option): New function.
1714         (arm_override_options): Update target_flags checks for new mask names.
1715         Remove target_float_switch code.
1716         (arm_expand_prologue, thumb_expand_prologue): Check
1717         !TARGET_SCHED_PROLOG instead of TARGET_NO_SCHED_PRO.
1718         * config/arm/arm.opt, config/arm/pe.opt: New files.
1719
1720 2005-05-05  Nathan Sidwell  <nathan@codesourcery.com>
1721
1722         * config/arc/arc.c (get_arc_condition_code): Use gcc_assert &
1723         gcc_unreachable as appropriate.
1724         (arc_double_limm_p, arc_setup_incoming_varargs,
1725         arc_compute_function_type, arc_output_function_prologue,
1726         arc_output_function_epilogue, arc_eligible_for_epilogue_delay,
1727         output_shift, arc_print_operand, arc_print_operand_address,
1728         arc_final_prescan_insn): Likewise.
1729         * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise.
1730
1731 2005-05-04  Geoffrey Keating  <geoffk@apple.com>
1732
1733         * config/rs6000/rs6000.md (P): Use TARGET_*BIT rather than
1734         comparing Pmode.
1735         (SDI): New.
1736         (cmp): Delete.
1737         (wd): New.
1738         (add<mode>3, add<mode>3_internal1, add<mode>3_internal2,
1739         add<mode>3_internal3, one_cmpl<mode>2, sub<mode>3, neg<mode>2,
1740         clz<mode>2, ctz<mode>2, ffs<mode>2): New.
1741         (addsi3, addsi3_internal1, addsi3_internal2, addsi3_internal3,
1742         (one_cmplsi2, subsi3, negsi2, clzsi2, ctzsi2, ffssi2): Remove.
1743         (adddi3, adddi3_internal1, adddi3_internal2, adddi3_internal3,
1744         (one_cmpldi2, subdi3, negdi2, clzdi2, ctzdi2, ffsdi2): Remove.
1745         (sync_compare_and_swap<mode>): Use <wd> rather than <cmp>.
1746
1747 2005-05-05  Paul Brook  <paul@codesourcery.com>
1748
1749         * Makefile.in: Replace dependencies on basic-block.h, c-pragma.h,
1750         cfgloop.h, diagnostic.h, insn-attr.h, langhooks-def.h, params.h,
1751         regs.h, system.h, tree-dump.h, tree-gimple.h, tree-scalar-evolution.h
1752         and tree-data-ref.h with *_H variables.
1753
1754 2005-05-05  Kelley Cook  <kcook@gcc.gnu.org>
1755
1756         * config/m32r/xm-m32r.h, config/m32r/xm-linux.h: Delete files.
1757
1758 2005-05-05  Kelley Cook  <kcook@gcc.gnu.org>
1759
1760         * system.h: Poison BYTEORDER and HOST_WORDS_BIG_ENDIAN.
1761
1762 2005-05-04  Gerald Pfeifer  <gerald@pfeifer.com>
1763
1764         * doc/contrib.texi (Contributors): Add Mostafa Hagog and Ayal Zaks.
1765
1766 2005-05-04 Fariborz Jahanian <fjahanian@apple.com>
1767
1768         * config/rs6000/rs6000.c (rs6000_emit_prologue): Emit
1769         setting of vrsave register for current function after
1770         call to save_world is emitted.
1771
1772 2005-05-05  Hans-Peter Nilsson  <hp@bitrange.com>
1773
1774         * config/mmix/predicates.md: New file.
1775         * config/mmix/mmix.c (mmix_symbolic_or_address_operand)
1776         (mmix_reg_or_constant_operand, mmix_reg_cc_operand)
1777         (mmix_foldable_comparison_operator, mmix_comparison_operator)
1778         (mmix_reg_or_0_operand, mmix_reg_or_8bit_operand): Remove.
1779         * config/mmix/mmix.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
1780         Don't define.
1781         * config/mmix/mmix.md: Include predicates.md.
1782         ("call", "call_value"): Force address to register if it isn't a
1783         mmix_symbolic_or_address_operand.
1784
1785 2005-05-04  Andrew MacLeod  <amacleod@redhat.com>
1786
1787         * tree-flow-inline.h (op_iter_init_use, op_iter_init_def): Assert that
1788         the flags are of appropriate types.
1789         (num_ssa_operands): Generalize using the generic interface.
1790         * tree-ssa-dce.c (remove_dead_stmt): Don't ask for kills on a DEF
1791         iterator.
1792
1793 2005-05-04  Richard Sandiford  <rsandifo@redhat.com>
1794
1795         * protoize.c (version_flag, quiet_flag, nochange_flag, nosave_flag)
1796         (keep_flag, local_flag, global_flag, cplusplus_flag): Make extern.
1797
1798 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
1799
1800         * tree-outof-ssa.c (edge_leader, stmt_list,
1801         analyze_edges_for_bb): Use VEC instead of VARRAY.
1802         (init_analayze_edges_for_bb, fini_analayze_edges_for_bb): New.
1803         (perform_edge_inserts): Call init_analayze_edges_for_bb and
1804         fini_analayze_edges_for_bb.
1805
1806 2005-05-04  James E Wilson  <wilson@specifixinc.com>
1807
1808         PR driver/21112
1809         * gcc.c (process_command): In the second argv scan loop, ignore
1810         Xassembler and Xpreprocessor, along with their argument.
1811
1812 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
1813
1814         * tree-flow-inline.h, tree-ssa-operands.c,
1815         tree-ssa-operands.h, tree-ssa-opfinalize.h:
1816         Likewise. tree-vn.c: Fix comment typos.
1817         * doc/passes.texi, doc/tree-ssa.texi: Fix typos.
1818
1819 2005-05-04  Paolo Bonzini  <bonzini@gnu.org>
1820
1821         * doc/tm.texi (Target Hooks): Document
1822         TARGET_RESOLVE_OVERLOADED_BUILTIN.
1823
1824 2005-05-04  Paul Brook  <paul@codesourcery.com>
1825
1826         * Makefile.in: Change dependencies on target.h to $(TARGET_H).
1827
1828 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
1829
1830         * dwarf2out.c (incomplete_types, retry_incomplete_types,
1831         gen_struct_or_union_type_die, dwarf2out_init): Use VEC instead
1832         of VARRAY.
1833
1834         * loop-unroll.c (var_to_expand, analyze_insn_to_expand_var,
1835         get_expansion, expand_var_during_unrolling,
1836         insert_var_expansion_initialization,
1837         combine_var_copies_in_loop_exit, release_var_copies): Use VEC
1838         instead of VARRAY.
1839
1840         * tree-ssa-loop-ivopts.c (rewrite_address_base): Don't call
1841         update_stmt.
1842
1843 2004-05-03  Andrew Pinski  <pinskia@physics.uc.edu>
1844
1845         PR middle-end/15618
1846         * fold-const.c (fold_widened_comparison): Treat BOOLEAN_TYPE
1847         the same as INTEGER_TYPE.
1848         (fold_binary): Fold "bool_var != 0" to bool_var.
1849         Fold "bool_var == 1" to bool_var.
1850
1851 2004-05-03  Richard Henderson  <rth@redhat.com>
1852
1853         PR middle-end/21318
1854         * function.c (instantiate_virtual_regs_in_insn): Use the mode
1855         from recog_data instead of insn_data.
1856
1857 2005-05-03  DJ Delorie  <dj@redhat.com>
1858
1859         * common.opt (fdiagnostics-show-option): No variable is needed.
1860         * diagnostic.h (diagnostic_context): Add show_option_requested flag.
1861         * diagnostic.c (diagnostic_initialize): Initialize show_option_requested.
1862         (diagnostic_report_diagnostic): Test for enabled diagnostics here.
1863         Save and restore original message format.  Use flag in context
1864         instead of global.
1865         (warning): Don't test for enabled warnings here.
1866         * opts.c (common_handle_option): Handle -fdiagnostics-show-option
1867         here.
1868
1869 2005-05-04  Kelley Cook  <kcook@gcc.gnu.org>
1870
1871         * config/m32r/xm-m32r.h: Don't define HOST_WORDS_BIG_ENDIAN.
1872         * config/m32r/xm-linux.h: Don't undefine HOST_WORDS_BIG_ENDIAN.
1873         * mips-tfile.c: Use WORDS_BIG_ENDIAN instead of HOST_WORDS_BIG_ENDIAN.
1874         * aclocal.m4: Don't include accross.m4.
1875         * configure.ac: Use AC_C_BIGENDIAN instead of AC_C_BIGENDIAN_CROSS.
1876         Use AC_CHECK_SIZEOF instead of AC_COMPILE_CHECK_SIZEOF.
1877         * configure, config.in: Regenerate.
1878
1879 2005-05-04  Jakub Jelinek  <jakub@redhat.com>
1880
1881         PR middle-end/21265
1882         * expr.h (enum block_op_methods): Add BLOCK_OP_TAILCALL.
1883         (clear_storage): Add argument.
1884         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall):
1885         Add tailcall argument, set CALL_EXPR_TAILCALL of the CALL_EXPR to
1886         tailcall.
1887         (emit_block_move): Handle BLOCK_OP_TAILCALL method.
1888         (clear_storage): Add method argument, handle BLOCK_OP_TAILCALL.
1889         (store_expr, store_constructor): Adjust callers.
1890         * builtins.c (expand_builtin_memcpy): Pass BLOCK_OP_TAILCALL
1891         to emit_block_move if CALL_EXPR_TAILCALL (exp).
1892         (expand_builtin_memmove): Add ORIG_EXP argument, copy
1893         CALL_EXPR_TAILCALL from ORIG_EXP to the new CALL_EXPR.
1894         (expand_builtin_bcopy): Replace ARGLIST and TYPE arguments
1895         with EXP.  Pass EXP to expand_builtin_memmove.
1896         (expand_builtin_memset): Add ORIG_EXP argument, pass
1897         BLOCK_OP_TAILCALL to clear_storage if CALL_EXPR_TAILCALL (orig_exp).
1898         (expand_builtin_bzero): Replace ARGLIST argument with EXP.
1899         Pass EXP to expand_builtin_memset.
1900         (expand_builtin_strcmp): Copy CALL_EXPR_TAILCALL from EXP to
1901         the new CALL_EXPR.
1902         (expand_builtin_strncmp): Likewise.
1903         (expand_builtin_printf): Replace ARGLIST argument with EXP.
1904         Copy CALL_EXPR_TAILCALL from EXP to the new CALL_EXPR.
1905         (expand_builtin_fprintf): Likewise.
1906         (expand_builtin): Adjust calls to
1907         expand_builtin_{memmove,bcopy,memset,bzero,{,f}printf}.
1908
1909         * config/i386/i386.c (ix86_expand_vector_set): Fix setting 3rd and 4th
1910         item in V4SF mode.
1911
1912         PR rtl-optimization/21239
1913         * combine.c (combine_simplify_rtx) <case VEC_SELECT>: Fix a typo.
1914
1915 2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
1916
1917         * tree-flow.h (tree_ann_common_d): Move aux to ...
1918         (stmt_ann_d): ... here.
1919         * tree-ssa-loop-im.c (LIM_DATA, determine_invariantness_stmt,
1920         move_computations_stmt, schedule_sm): Update references to
1921         aux.
1922         * tree-vectorizer.h (set_stmt_info, vinfo_for_stmt): Likewise.
1923
1924         * tree-cfg.c (remove_bb): Remove a redundant call to
1925         set_bb_for_stmt.
1926         * tree-if-conv.c (replace_phi_with_cond_modify_expr):
1927         Likewise.
1928
1929 2005-05-03  Richard Henderson  <rth@redhat.com>
1930
1931         * config/rs6000/rs6000.c: Remove conflict markers.
1932
1933         * cfg.c (dump_flow_info): Use max_reg_num, not max_regno.
1934
1935 2005-05-03  James E Wilson  <wilson@specifixinc.com>
1936
1937         * dwarf2out.c (lookup_filename): Call maybe_emit_file.
1938
1939 2005-05-03  DJ Delorie  <dj@redhat.com>
1940
1941         * c-decl.c (store_parm_decls_oldstyle): Let diagnostic machinery
1942         decide if the warning will be printed.
1943         * calls.c (expand_call): Likewise.
1944         * function.c (init-function_start): Likewise.
1945
1946         * common.opt (-fdiagnostics-show-option): New.
1947         * opts.c (option_enabled): Accept the option index instead of a
1948         pointer to the option descriptor.
1949         * opts.h (option_enabled): Likewise.
1950         * toplev.c (print_switch_values): Pass option index, not option
1951         descriptor.
1952         * diagnostic.h (diagnostic_info): Add option_index.
1953         * diagnostic.c: Include opts.h.
1954         (diagnostic_set_info): Initialize option_index.
1955         (diagnostic_report_diagnostic): Amend option name if appropriate.
1956         (warning): Check to see if the specified warning is enabled.
1957         Store option index.
1958         * doc/invoke.texi (-fdiagnostics-show-options): Document.
1959
1960 2005-05-03  Richard Henderson  <rth@redhat.com>
1961
1962         * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Fix ALL_REGS and
1963         SPEC_OR_GEN_REGS definitions.
1964
1965 2005-05-03  Alexandre Oliva  <aoliva@redhat.com>
1966
1967         PR target/16888
1968         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Clear reg names
1969         for unavailable registers.
1970
1971 2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
1972
1973         * tree-cfg.c (tree_forwarder_block_p): Fix a typo.
1974
1975         * cfglayout.c (block_locators_blocks,
1976         insn_locators_initialize, insn_scope): Use VEC instead of
1977         VARRAY.
1978
1979         * tree-mudflap.c (deferred_static_decls, mudflap_enqueue_decl,
1980         mudflap_finish_file, mudflap_finish_file): Use VEC instead of
1981         VARRAY.
1982
1983 2005-05-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
1984
1985         * config/sparc/predicates.md (const_compl_high_operand): New.
1986         * config/sparc/sparc.c (sparc_emit_set_safe_HIGH64): Rename into
1987         gen_safe_HIGH64.
1988         (sparc_emit_set_const64_quick1): Adjust for above change.
1989         (sparc_emit_set_const64_quick2): Likewise.
1990         (sparc_emit_set_const64_longway): Likewise.
1991         (sparc_emit_set_const64): Likewise.
1992         * config/sparc/sparc.md (movhi_const64_special, movsi_const64_special,
1993         movdi_const64_special): Delete.
1994         (logical constant splitters): Use const_compl_high_operand.
1995
1996 2005-05-03  Richard Guenther  <rguenth@gcc.gnu.org>
1997
1998         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Use STRIP_TYPE_NOPS
1999         rather than STRIP_NOPS.
2000
2001 2005-05-03  Jakub Jelinek  <jakub@redhat.com>
2002
2003         PR rtl-optimization/21330
2004         * loop-unswitch.c (may_unswitch_on): Set *cinsn only when
2005         returning non-NULL.
2006         (unswitch_single_loop): Clear cinsn when retrying.
2007
2008         PR target/21297
2009         * config/i386/i386.c (legitimize_address): When canonicalizing
2010         ASHIFT into MULT, multiply by 1 << shift_count instead of
2011         1 << log2 (shift_count).
2012
2013 2005-05-03  Andrew MacLeod  <amacleod@redhat.com>
2014
2015         * lambda-code.c (gcc_loop_to_lambda_loop,
2016         lambda_loopnest_to_gcc_loopnest, phi_loop_edge_uses_def,
2017         stmt_is_bumper_for_loop, perfect_nest_p, replace_uses_of_x_with_y): Use
2018         generic operand interface.
2019         * tree-data-ref.c (find_data_references_in_loop): Use generic interface.
2020         * tree-dfa.c (collect_dfa_stats_r, mark_new_vars_to_rename): Use
2021         generic operand interface.
2022         * tree-flow-inline.h (delink_imm_use, link_imm_use_to_list,
2023         link_imm_use, link_imm_use_stmt, relink_imm_use, relink_imm_use_stmt,
2024         next_safe_imm_use, has_zero_uses, has_single_use, single_imm_use,
2025         num_imm_uses): Use ssa_use_operand_t.
2026         (get_def_ops, get_use_ops, get_v_may_def_ops, get_vuse_ops,
2027         get_v_must_def_ops): Delete.
2028         (get_def_from_ptr, get_phi_result_ptr): Get def directly now.
2029         (get_use_op_ptr, get_def_op_ptr, get_v_may_def_result_ptr,
2030         get_v_may_def_op_ptr, get_vuse_op_ptr, get_v_must_def_result_ptr,
2031         get_v_must_def_kill_ptr): Delete.
2032         (delink_stmt_imm_use): Move and use new operand interface.
2033         (op_iter_next_use, op_iter_next_def, op_iter_next_tree, op_iter_init,
2034         op_iter_next_tree): Use new operand implementation.
2035         (clear_and_done_ssa_iter): New.  Initialize a blank operand iterator.
2036         (op_iter_init_use, op_iter_init_def, op_iter_init_tree): Add iterator
2037         type check.
2038         (op_iter_next_mustdef, op_iter_next_maydef,
2039         op_iter_next_must_and_may_def): Delete. Replace with...
2040         (op_iter_next_maymustdef): New.  Combine must and may next operations.
2041         (op_iter_init_maydef, op_iter_init_mustdef,
2042         op_iter_init_must_and_may_def): Use new interface.
2043         (single_ssa_tree_operand ): New.  Process single operands only as trees.
2044         (single_ssa_use_operand): New.  Process single operands only as uses.
2045         (single_ssa_def_operand): New.  Process single operands only as defs.
2046         (zero_ssa_operands): New.  Return TRUE if there are zero operands of the
2047         specified types.
2048         (num_ssa_operands): New.  Count the number of specified operands.
2049         (compare_ssa_operands_equal): New.  Compare two statements' operands.
2050         (single_phi_def): New.  Return true if PHI has one def of the specified
2051         operand type.
2052         (op_iter_init_phiuse): New.  Initialize the iterator for PHI arguments.
2053         (op_iter_init_phidef): New.  Initialize the iterator for the PHI def.
2054         * tree-flow.h (struct immediate_use_iterator_d): Use ssa_use_operand_t.
2055         (struct stmt_ann_d): Operands field no longer require GTY().
2056         (vn_compute, vn_lookup_or_add, vn_add, vn_lookup): Change prototype.
2057         * tree-into-ssa.c (mark_def_sites): Use SSA_OP_VMUSTKILL.
2058         * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
2059         dump_replaceable_exprs, rewrite_trees): Use generic interface.
2060         * tree-phinodes.c (make_phi_node, release_phi_node, resize_phi_node):
2061         Use use_operand_p instead of ssa_imm_use_t *.
2062         * tree-pretty-print.c (dump_vops): check if operands are active before
2063         dumping virtual operands.
2064         * tree-sra.c (sra_walk_function): Use ZERO_SSA_OPERANDS.
2065         * tree-ssa-ccp.c (likely_value): Use ZERO_SSA_OPERANDS.
2066         (ccp_fold): Use new interface.
2067         (ccp_visit_stmt): Remove unused variables and code.
2068         (convert_to_gimple_builtin): Insert statements before calling
2069         mark_new_vars_to_rename.
2070         * tree-ssa-copy.c (stmt_may_generate_copy): Use ZERO_SSA_OPERANDS.
2071         (copy_prop_visit_cond_stmt): Use generic interface.
2072         * tree-ssa-dom.c (struct expr_hash_elt): Use stmt pointer, not the
2073         annotation in table.
2074         (thread_across_edge): Use generic interface.
2075         (initialize_hash_element): Initialzie with stmt, not annotation.
2076         (eliminate_redundant_computations): Use generic interface.
2077         (record_equivalences_from_stmt): Pass stmt, not annotation.
2078         (avail_expr_hash, real_avail_expr_hash, avail_expr_eq): Use generic
2079         interface.
2080         * tree-ssa-dse.c (dse_optimize_stmt): Use ZERO_SSA_OPERANDS.
2081         * tree-ssa-loop-ivopts.c (find_invariants_stmt,
2082         find_interesting_uses_stmt, protect_loop_closed_ssa_form_use): Use
2083         generic operand interface.
2084         * tree-ssa-loop-niter.c (chain_of_csts_start, get_val_for): Use generic
2085         interface.
2086         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Use Generic operand
2087         Interface.
2088         * tree-ssa-operands.c (struct opbuild_list_d): New.  Operand build type.
2089         (build_defs, build_uses, build_v_may_defs, build_vuses,
2090         build_v_must_defs): Change type to struct opbuild_list_d.
2091         (ops_active): New.  Operands active boolean.
2092         (operand_memory, operand_memory_index): New.  Operand memory managers.
2093         (allocate_def_optype, allocate_use_optype, allocate_v_may_def_optype,
2094         allocate_vuse_optype, allocate_v_must_def_optype): Delete.
2095         (free_uses, free_defs, free_vuses, free_v_may_defs, free_v_must_defs):
2096         Change from functions to static variable list heads.
2097         (opbuild_initialize_virtual): New.  Initialize a virtual build list.
2098         (opbuild_initialize_real): New.  Initialize a virtual build list.
2099         (opbuild_free): New.  Free a build list.
2100         (opbuild_num_elems): New.  Number of items in a list.
2101         (opbuild_append_real): New.  Add a real (tree *) operand.
2102         (opbuild_append_virtual): New.  Add and sort a virtual (tree) operand.
2103         (opbuild_first): New.  Return first element index in a list.
2104         (opbuild_next): New.  Return next element in a list.
2105         (opbuild_elem_real): New.  Return real element.
2106         (opbuild_elem_virtual): New.  Return virtual element.
2107         (opbuild_elem_uid): New.  Return UID of virtual element.
2108         (opbuild_clear): New.  Reset an operand list.
2109         (opbuild_remove_elem): New.  Remove an element form a list.
2110         (ssa_operands_active): New.  Return true if operand cache is active.
2111         (init_ssa_operands, fini_ssa_operands): Initialize new implementation.
2112         (ssa_operand_alloc): New.  Allocate memory from an operand chunk.
2113         (correct_use_link): Use use_operand_p.
2114         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_defs,
2115         finalize_ssa_vuses, finalize_ssa_v_must_defs): New implmentation.
2116         (cleanup_v_may_defs): Use new implmentation.
2117         (finalize_ssa_stmt_operands, start_ssa_stmt_operands): New
2118         implementation.
2119         (append_def, append_use, append_v_may_def, append_vuse,
2120         append_v_must_def): Call opbuild_append routine instead of using varray.
2121         (build_ssa_operands): Simplify to simply use stmt, don't maintain a
2122         global parse_old_ops variable.
2123         (free_ssa_operands): New implementation.
2124         (update_stmt_operands): Move.  Change argument to build_ssa_operands.
2125         (copy_virtual_operands): Move. New generic implementation.
2126         (create_ssa_artficial_load_stmt): Move. New implementation.
2127         (swap_tree_operands): Update for new implementation.
2128         (get_expr_operands): Add stmt parameter to calls to swap_tree_operands.
2129         (add_call_clobber_ops, add_call_read_ops): Initialize opbuild list
2130         rather than a varray.
2131         (verify_imm_links): Use use_operand_p.
2132         (dump_immediate_uses_for): If the immediate use variable is a virtual
2133         variable, show the virtual ops in the stmt.
2134         * tree-ssa-operands.h (def_operand_p): No longer a structure.
2135         (NULL_DEF_OPERAND_P): Now a #define.
2136         (def_optype_d, use_optype_d, v_def_use_operand_type, v_may_def_optype_d,
2137         vuse_operand_type, vuse_optype_d, v_must_def_optype_d): Delete.
2138         (def_optype_d, use_optype_d, maydef_optype_d, vuse_optype_d,
2139         mustdef_optype_d): New.  Use Linked list representation.
2140         (SSA_OPERAND_MEMORY_SIZE): New.  Size of operand memory chunk.
2141         (struct ssa_operand_memory_d): New.  Allocated Chunk node.
2142         (struct stmt_operands_d): Change to new pointers that are not GTY.
2143         (STMT_USE_OPS, NUM_USES, SET_USE_OP, STMT_DEF_OPS, NUM_DEFS, SET_DEF_OP,
2144         STMT_V_MAY_DEF_OPS, NUM_V_MAY_DEFS, SET_V_MAY_DEF_RESULT,
2145         SET_V_MAY_DEF_OP, STMT_VUSE_OPS, NUM_VUSES, SET_VUSE_OP,
2146         STMT_V_MUST_DEF_OPS, NUM_V_MUST_DEFS, SET_V_MUST_DEF_RESULT,
2147         SET_V_MUST_DEF_KILL): Delete.
2148         (V_MAY_DEF_OPS, V_MAY_DEF_RESULT_PTR, V_MAY_DEF_RESULT,
2149         V_MAY_DEF_OP_PTR, V_MAY_DEF_OP): Rename to MAYDEF_*.
2150         (V_MUST_DEF_OPS, V_MUST_DEF_RESULT_PTR, V_MUST_DEF_RESULT,
2151         V_MUST_DEF_KILL_PTR, V_MUST_DEF_KILL): Rename to MUSTDEF_*.
2152         (enum ssa_op_iter_type): Operand iterator typechecking values.
2153         (struct ssa_operand_iterator_d): Use linked lists of operands.
2154         (SSA_OP_VMUSTDEFKILL): Rename to SSA_OP_VMUSTKILL.
2155         (FOR_EACH_SSA_MAYDEF_OPERAND, FOR_EACH_SSA_MUSTDEF_OPERAND,
2156         FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): Use op_iter_next_maymustdef.
2157         (FOR_EACH_PHI_ARG): New.  Iterate over PHI arguments.
2158         (FOR_EACH_PHI_OR_STMT_USE): New.  Iterate over PHI or stmt uses.
2159         (FOR_EACH_PHI_OR_STMT_DEF): New.  Iterate over PHI or stmt defs.
2160         (SINGLE_SSA_TREE_OPERAND, SINGLE_SSA_USE_OPERAND,
2161         SINGLE_SSA_DEF_OPERAND, ZERO_SSA_OPERANDS, NUM_SSA_OPERANDS): New.
2162         * tree-ssa-opfinalize.h: New.  Function templates for expansion.
2163         (FINALIZE_ALLOC): Expands into alloc_def, alloc_use, alloc_maydef,
2164         alloc_vuse, and alloc_mustdef.
2165         (FINALIZE_FUNC): Expands into finalize_ssa_def_ops,
2166         finalize_ssa_use_ops, finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
2167         and finalize_ssa_v_must_def_ops.
2168         * tree-ssa-pre.c (add_to_sets): Pass tree to vn_add.
2169         (create_value_expr_from): Use stmt not vuse_optype as a parameter. Pass
2170         stmt around.
2171         (compute_avail): Use generic iterator interface.
2172         * tree-ssa-propagate.c (first_vdef): Use generic operand interface.
2173         (stmt_makes_single_load, stmt_makes_single_store): Use
2174         ZERO_SSA_OPERANDS.
2175         * tree-ssa-sink.c (is_hidden_global_store): Use ZERO_SSA_OPERANDS.
2176         (statement_sink_location): Use generic interface.
2177         * tree-ssa.c (verify_ssa):  Use %p in fprintf.  Use generic interface.
2178         (delete_tree_ssa): Don't call release_defs.  Call release_ssa_name and
2179         reset the immediate use link nodes.
2180         (stmt_references_memory_p): Use ZERO_SSA_OPERANDS.
2181         * tree-ssanames.c (make_ssa_name): Use use_operand_p.
2182         * tree-tailcall.c (find_tail_calls): Use ZERO_SSA_OPERANDS.
2183         (eliminate_tail_call): Use generic operand interface.
2184         * tree-vect-analyze.c (vect_analyze_data_refs): Use ZERO_SSA_OPERANDS.
2185         (vect_mark_relevant, vect_mark_stmts_to_be_vectorized): Use generic
2186         interface.
2187         * tree-vect-transform.c (update_vuses_to_preheader): Use generic
2188         interface.
2189         * tree-vectorizer.c (rename_variables_in_bb): Use generic interface.
2190         * tree-vn.c (struct val_expr_pair_d): Cache statment pointer instead of
2191         vuse_optype.
2192         (vn_compute, val_expr_pair_hash, vn_add, vn_lookup, vn_lookup_or_add):
2193         Use statement pointer instead of vuse_optype.  Use generic interface.
2194         * tree-vrp.c (maybe_add_assert_expr): Use generic interface.
2195         (stmt_interesting_for_vrp, vrp_visit_stmt): Use ZERO_SSA_OPERANDS.
2196         * tree.h (struct ssa_imm_use_d): Renamed to ssa_use_operand_d.
2197         (tree_ssa_name, phi_arg_d): Use ssa_use_operand_d.
2198         * doc/tree-ssa.texi: Update documentation for operand interface.
2199
2200 2005-05-03  Nathan Sidwell  <nathan@codesourcery.com>
2201
2202         * config/darwin.c (machopic_define_symbol): Use gcc_assert or
2203         gcc_unreachable as appropriate.
2204         (machopic_function_base_name, machopic_indirect_data_reference,
2205         machopic_legitimize_pic_address, darwin_non_lazy_pcrel): Likewise.
2206         * config/host-darwin.c (darwin_gt_pch_use_address): Likewise
2207         * config/rs6000/altivec.md (*mov<mode>_internal,
2208         build_vector_mask_for_load): Likewise.
2209         * config/rs6000/darwin.md (movdf_low_si, movdf_low_di,
2210         *call_nonlocal_darwin64, *call_value_nonlocal_darwin64,
2211         *sibcall_symbolic_64, *sibcall_value_symbolic_64): Likewise.
2212         * config/rs6000/predicates.md (easy_fp_constant,
2213         logical_operand): Likewise.
2214         * config/rs6000/rs6000.c (spe_expand_predicate_builtin,
2215         compute_save_world_info, rs6000_emit_prologue,
2216         rs6000_output_mi_thunk): Reword comments to avoid 'abort'.
2217         * config/rs6000/host-darwin.c (segv_handler): Use fancy_abort
2218         directly.
2219
2220 2005-05-03  Uros Bizjak  <uros@kss-loka.si>
2221
2222         PR middle-end/21282
2223         * convert.c (convert_to_integer): Convert ceil and floor in
2224         c99 mode only.
2225
2226 2005-04-29  Geoffrey Keating  <geoffk@apple.com>
2227
2228         PR target/20813
2229         * config/rs6000/rs6000.md (floatsidf2_internal): Merge to create
2230         define_insn_and_split.  Split only when memory operand is
2231         offsettable.  Use adjust_address rather than plus_constant.
2232         (floatunssidf2_internal): Likewise.
2233         (fix_truncdfsi2_internal): Split only when memory operand is
2234         offsettable.  Use adjust_address rather than plus_constant.
2235         (fix_trunctfsi2_internal): Likewise.
2236         (floatsidf2_internal): Likewise.
2237
2238 2005-05-02  Diego Novillo  <dnovillo@redhat.com>
2239
2240         * tree-vrp.c (set_value_range_to_nonnull): Declare inline.
2241         (set_value_range_to_null): Likewise.
2242         (set_value_range_to_varying): New function.  Use it in all
2243         call sites that used to call set_value_range (vr, VR_VARYING, ...).
2244         (extract_range_from_assert): If the integral type has a
2245         super-type, and LIMIT is not within MIN and MAX values of that
2246         type, set the resulting range to VR_VARYING.
2247
2248 2005-05-02  Hans-Peter Nilsson  <hp@bitrange.com>
2249
2250         * config/mmix/mmix.opt: New file.
2251         * config/mmix/mmix.h: Move options-related comments to mmix.opt.
2252         (mmix_cc1_ignored_option): Don't declare.
2253         (TARGET_OPTIONS, TARGET_MASK_LIBFUNCS, TARGET_MASK_ABI_GNU)
2254         (TARGET_MASK_FCMP_EPSILON, TARGET_MASK_ZERO_EXTEND)
2255         (TARGET_MASK_KNUTH_DIVISION, TARGET_MASK_TOPLEVEL_SYMBOLS)
2256         (TARGET_MASK_BRANCH_PREDICT, TARGET_MASK_USE_RETURN_INSN)
2257         (TARGET_MASK_BASE_ADDRESSES, TARGET_LIBFUNC, TARGET_ABI_GNU,
2258         (TARGET_FCMP_EPSILON, TARGET_ZERO_EXTEND, TARGET_KNUTH_DIVISION)
2259         (TARGET_TOPLEVEL_SYMBOLS, TARGET_BRANCH_PREDICT)
2260         (TARGET_BASE_ADDRESSES, TARGET_USE_RETURN_INSN, TARGET_SWITCHES):
2261         Don't define.
2262         (TARGET_DEFAULT): Change TARGET_MASK_... to MASK_...
2263         * config/mmix/mmix.c (mmix_cc1_ignored_option): Remove.
2264         (TARGET_DEFAULT_TARGET_FLAGS): Override default.
2265
2266 2005-05-02  Joseph S. Myers  <joseph@codesourcery.com>
2267
2268         PR c/15698
2269         * c-tree.h (C_DECL_BUILTIN_PROTOTYPE): New.
2270         * c-decl.c (current_function_prototype_built_in,
2271         current_function_prototype_arg_types): New.
2272         (merge_decls): Keep source location of prototype followed by
2273         nonprototype declaration.  Update C_DECL_BUILTIN_PROTOTYPE.
2274         (builtin_function): Set C_DECL_BUILTIN_PROTOTYPE.
2275         (start_function): Always set current_function_prototype_locus,
2276         current_function_prototype_built_in and
2277         current_function_prototype_arg_types.  Check for external
2278         prototype whether or not visible for external function and set
2279         current_function_prototype_arg_types accordingly.
2280         (store_parm_decls_oldstyle): Use
2281         current_function_prototype_arg_types for checking old-style
2282         definition against prototype.  Give warnings only if
2283         current_function_prototype_built_in).
2284
2285 2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
2286
2287         * ggc.h (ggc_alloc_zone_pass_stat): New macro.
2288         (ggc_alloc_zone_stat): Don't define.
2289         * ggc-zone.c (ggc_alloc_typed_stat, ggc_alloc_stat): Use
2290         ggc_alloc_zone_pass_stat.
2291         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Likewise.
2292         * tree.c (make_node_stat, copy_node_stat, make_tree_binfo_stat)
2293         (make_tree_vec_stat, tree_cons_stat, build1_stat): Likewise.
2294
2295 2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
2296
2297         * calls.c (expand_call): Handle current_function_pretend_args_size
2298         when checking for sibcalls.
2299
2300 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
2301
2302         PR tree-optimization/21294
2303         * tree-vrp.c (vrp_expr_computes_nonzero): New.
2304         (extract_range_from_expr): Call vrp_expr_computes_nonzero.
2305
2306 2005-05-02  Janis Johnson  <janis187@us.ibm.com>
2307
2308         PR 19985
2309         * gcov-io.h: Declare gcov external functions hidden.
2310
2311 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
2312
2313         * tree-ssa-uncprop.c (equiv_hash_elt, remove_equivalence,
2314         record_equiv, tree_ssa_uncprop, uncprop_into_successor_phis):
2315         Use VEC instead of VARRAY.
2316         (equiv_free): New.
2317
2318         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Factor
2319         out common code.
2320
2321 2005-05-02  Paolo Bonzini  <bonzini@gnu.org>
2322
2323         * c-common.c (resolve_overloaded_builtin): Forward to target
2324         hook for BUILT_IN_MD built-ins.
2325         * c-typeck.c (finish_call_expr): Call resolve_overloaded_builtin
2326         for all types of built-in.
2327         * target-def.h (TARGET_RESOLVE_OVERLOADED_BUILTIN): New.  Use it
2328         in the definition of the target hooks struct.
2329         * target.h (struct gcc_target): Add resolve_overloaded_builtin.
2330         * config/rs6000/altivec.h: Rewritten.
2331         * config/rs6000/rs6000-c.c (struct altivec_builtin_types,
2332         altivec_resolve_overloaded_builtin, altivec_build_resolved_builtin,
2333         rs6000_builtin_type, rs6000_builtin_type_compatible,
2334         altivec_overloaded_builtins, rs6000_builtin_type,
2335         rs6000_builtin_type_compatible): New.
2336         * config/rs6000/rs6000.c (rs6000_builtin_types, rs6000_builtin_decls):
2337         New.
2338         (def_builtin): Turn into a function.  Check for duplicates and store
2339         the builtin into rs6000_builtin_decls.
2340         (bdesc_3arg, bdesc_dst, bdesc_altivec_preds, bdesc_2arg,
2341         bdesc_1arg): Add overloaded builtins.
2342         (altivec_expand_builtin): Check for unresolved overloaded builtins,
2343         do not support ALTIVEC_COMPILETIME_ERROR.
2344         (rs6000_init_builtins): Add opaque 128-bit vector, and internal
2345         nodes to represent front-end types.
2346         (altivec_init_builtins, rs6000_common_init_builtins): Create builtins
2347         with opaque arguments and/or return values.
2348         * config/rs6000/rs6000.h (enum rs6000_builtins): Remove
2349         ALTIVEC_COMPILETIME_ERROR and add Altivec overloaded builtins.
2350         (rs6000_builtin_type_index): New.
2351         (is_ev64_opaque_type): Rename to...
2352         (rs6000_is_opaque_type): ... this.
2353         (rs6000_cpu_cpp_builtins): Install the resolve_overloaded_builtin
2354         target hook.
2355
2356 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
2357
2358         * function.c (reorder_blocks, reorder_blocks_1): Use VEC
2359         instead of VARRAY.
2360
2361 2005-05-02  Nathan Sidwell  <nathan@codesourcery.com>
2362             Bernd Schmidt  <bernd.schmidt@analog.com>
2363
2364         * config/bfin/bfin.c (emit_link_insn, effective_address_32bit_p,
2365         print_address_operand, print_operand, legitimize_pic_address,
2366         asm_conditional_branch, bfin_gen_compare, output_push_multiple,
2367         output_pop_multiple): Use gcc_assert or gcc_unreachable as
2368         appropriate.
2369         * config/bfin/bfin.md (movsf splitter, beq, bne): Likewise.
2370
2371 2005-05-02  Dorit Naishlos  <dorit@il.ibm.com>
2372
2373         * doc/passes.texi: Document vectorization pass.
2374
2375 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
2376
2377         * tree-scalar-evolution.c (get_exit_conditions_rec,
2378         select_loops_exit_conditions,
2379         number_of_iterations_for_all_loops,
2380         analyze_scalar_evolution_for_all_loop_phi_nodes,
2381         scev_analysis): Use VEC instead of VARRAY.
2382
2383 2005-05-02  Michael Matz  <matz@suse.de>
2384
2385         PR c++/19542
2386         * c-common.c (c_common_nodes_and_builtins): Create global null_node.
2387         (warn_strict_null_sentinel): Define.
2388         (check_function_sentinel): Check for null_node as valid sentinel too.
2389         * c-common.h (c_tree_index): Added CTI_NULL.
2390         (null_node) Define global_tree[CTI_NULL].
2391         (warn_strict_null_sentinel): Declare.
2392         * c-opts.c: (c_common_handle_option): Handle -Wstrict-null-sentinel.
2393         * c.opt: (Wstrict-null-sentinel): New C++ option.
2394         * doc/invoke.texi (C++ Options): Document -Wstrict-null-sentinel.
2395
2396 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
2397
2398         * gimplify.c (gimplify_compound_lval): Use VEC instead of
2399         VARRAY.
2400
2401         * global.c (calculate_reg_pav): Use VEC instead of VARRAY.
2402
2403         * dwarf2out.c (decl_scope_table, push_decl_scope,
2404         pop_decl_scope, scope_die_for, dwarf2out_init): Use VEC
2405         instead of VARRAY.
2406
2407 2005-05-01  Mark Mitchell  <mark@codesourcery.com>
2408
2409         PR C++/14391
2410         * c-cppbuiltin.c (c_cpp_builtins): Do not define __GXX_WEAK__ to 1
2411         if !flag_weak.
2412         * doc/cpp.texi (__DEPRECATED): Document.
2413         (__EXCEPTIONS): Likewise.
2414         (__GXX_WEAK__): Likewise.
2415
2416         * function.c (INVOKE__main): Do not define.
2417         (expand_main_function): Check HAS_INIT_SECTION when determining
2418         whether or not to call __main.
2419
2420 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
2421
2422         * tree-ssa-loop-ivopts.c: Fix a comment typo.
2423
2424 2005-01-05  Paul Brook  <paul@codesourcery.com>
2425
2426         * config/arm/arm.h (ARM_EMIT_TRAMPOLINE_CACHE_CLEAR): Define.
2427         (INITIALIZE_TRAMPOLINE): Use it.
2428         * config/arm/linux-gas.h (INITIALIZE_TRAMPOLINE): Remove.
2429         * config/arm/netbsd.h (INITIALIZE_TRAMPOLINE): Remove.
2430         * config/arm/netbsd-elf.h (INITIALIZE_TRAMPOLINE): Remove.
2431
2432 2005-05-01  Gerald Pfeifer  <gerald@pfeifer.com>
2433
2434         * doc/install.texi (Specific): Omit dots in the @anchors names
2435         for i?86-*-sco3.2v5*, i?86-*-solaris2.10, and sparc-sun-solaris2.7.
2436         Omit underscores for x86_64-*-* and the "all ELF targets" entry.
2437
2438 2005-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
2439
2440         PR tree-optimization/18316
2441         PR tree-optimization/19126
2442         * tree.c (build_int_cst_type): Avoid shift by size of type.
2443         * tree-scalar-evolution.c (simple_iv): Add allow_nonconstant_step
2444         argument.
2445         * tree-scalar-evolution.h (simple_iv): Declaration changed.
2446         * tree-ssa-loop-ivopts.c (struct iv_cand): Add depends_on
2447         field.
2448         (dump_cand): Dump depends_on information.
2449         (determine_biv_step): Add argument to simple_iv call.
2450         (contains_abnormal_ssa_name_p): Handle case expr == NULL.
2451         (find_bivs, find_givs_in_stmt_scev): Do not require step to be a
2452         constant.
2453         (add_candidate_1): Record depends_on for candidates.
2454         (tree_int_cst_sign_bit, constant_multiple_of): New functions.
2455         (get_computation_at, get_computation_cost_at, may_eliminate_iv):
2456         Handle ivs with nonconstant step.
2457         (iv_ca_set_remove_invariants, iv_ca_set_add_invariants): New functions.
2458         (iv_ca_set_no_cp, iv_ca_set_cp): Handle cand->depends_on.
2459         (create_new_iv): Unshare the step before passing it to create_iv.
2460         (free_loop_data): Free cand->depends_on.
2461         (build_addr_strip_iref): New function.
2462         (find_interesting_uses_address): Use build_addr_strip_iref.
2463         (strip_offset_1): Split the recursive part from strip_offset.
2464         Strip constant offset component_refs and array_refs.
2465         (strip_offset): Split the recursive part to strip_offset_1.
2466         (add_address_candidates): Removed.
2467         (add_derived_ivs_candidates): Do not use add_address_candidates.
2468         (add_iv_value_candidates): Add candidates with stripped constant
2469         offset.  Consider all candidates with initial value 0 important.
2470         (struct affine_tree_combination): New.
2471         (aff_combination_const, aff_combination_elt, aff_combination_scale,
2472         aff_combination_add_elt, aff_combination_add,
2473         tree_to_aff_combination, add_elt_to_tree, aff_combination_to_tree,
2474         fold_affine_sum): New functions.
2475         (get_computation_at): Use fold_affine_sum.
2476         * tree-ssa-loop-manip.c (create_iv): Handle ivs with nonconstant step.
2477         * tree-ssa-loop-niter.c (number_of_iterations_exit): Add argument
2478         to simple_iv call.
2479
2480 2005-04-30  Michael Matz  <matz@suse.de>
2481
2482         * config/i386/i386.md (movmemsi): Also active when
2483         TARGET_INLINE_ALL_STRINGOPS.
2484
2485 2005-04-30  Eric Botcazou  <ebotcazou@libertysurf.fr>
2486
2487         PR bootstrap/20633
2488         * config/freebsd-spec.h (FBSD_CPP_SPEC): Add %(cpp_arch).
2489
2490 2005-04-30  Paul Brook  <paul@codesourcery.com>
2491
2492         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Always use .thumb_set in
2493         thumb mode.
2494         * config/arm/ieee754-df.S: Use __INTERWORKING_STUBS__.
2495         * config/arm/ieee754-sf.S: Ditto.
2496         * config/arm/lib1funcs.asm: Define and use __INTERWORKING_STUBS__.
2497         (FUNC_ALIAS): Use .thumb_set for thumb routines.
2498
2499 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
2500
2501         * tree-ssanames.c: Fix a comment typo.
2502         * doc/options.texi: Fix a typo.
2503
2504 2005-04-30  Nathan Sidwell  <nathan@codesourcery.com>
2505
2506         * config/h8300/h8300.c (byte_reg): Use gcc_assert and
2507         gcc_unreachable as appropriate.
2508         (split_adds_subs, cond_string, print_operand,
2509         h8300_initial_elimination_offset, h8300_classify_operand,
2510         h8300_unary_length, h8300_short_immediate_length,
2511         h8300_bitfield_length, h8300_binary_length,
2512         h8300_insn_length_from_table, compute_mov_length, output_plussi,
2513         compute_plussi_length, compute_plussi_cc, output_logical_op,
2514         compute_logical_op_length, compute_logical_op_cc,
2515         output_h8sx_shift, get_shift_alg, h8300_shift_needs_scratch_p,
2516         output_a_shift, compute_a_shift_length, compute_a_shift_cc,
2517         output_a_rotate, compute_a_rotate_length, fix_bit_operand,
2518         h8300_regs_ok_for_stm): Likewise.
2519         * config/h8300/h8300.md (*movsi_h8300, *movsf_h8300,
2520         monitor_prologue): Likewise.
2521
2522 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
2523
2524         * loop-invariant.c (invariants, create_new_invariant,
2525         get_inv_cost, best_gain_for_invariant,
2526         find_invariants_to_move, move_invariants,
2527         init_inv_motion_data, free_inv_motion_data): Use VEC instead
2528         of VARRAY.
2529
2530 2005-04-29  Richard Henderson  <rth@redhat.com>
2531
2532         * function.c (instantiate_decls): Remove valid_only argument.
2533         (instantiate_decls_1, instantiate_decl): Likewise.
2534         (instantiate_virtual_regs_1): Delete.
2535         (instantiate_virtual_regs_lossage): Delete.
2536         (instantiate_virtual_regs_in_rtx): New.
2537         (safe_insn_predicate): New.
2538         (instantiate_virtual_regs_in_insn): New.
2539         (instantiate_virtual_regs): Update to match all that.  Only run
2540         instantiate_decls once.
2541
2542 2005-04-29  Richard Henderson  <rth@redhat.com>
2543             Daniel Jacobowitz  <dan@codesourcery.com>
2544
2545         * gengtype.c (write_func_for_structure): Split out ...
2546         (output_type_enum): ... new function.  Fix thinko accessing
2547         TYPE_PARAM_STRUCT data.
2548
2549 2005-04-29  Tom Tromey  <tromey@redhat.com>
2550
2551         * tree.c (build_block): Removed unused 'tags' argument.
2552         * tree.h (build_block): Removed argument.
2553
2554 2005-04-29  Michael Matz  <matz@suse.de>
2555
2556         PR rtl-optimization/21144
2557         * postreload.c (reload_cse_move2add): Check for VOIDmode.
2558
2559 2005-04-29  Bob Wilson  <bob.wilson@acm.org>
2560
2561         * config/xtensa/xtensa.h (OPTIMIZATION_OPTIONS): Define to disable
2562         flag_reorder_blocks.
2563
2564 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
2565
2566         PR tree-optimization/21030
2567         * tree-vrp.c (adjust_range_with_scev): Do not create invalid
2568         ranges where VR->MAX is smaller than VR->MIN.
2569
2570 2005-04-29  Devang Patel  <dpatel@apple.com>
2571
2572         PR tree-optimization/21272
2573         PR tree-optimization/21266
2574         * tree-if-conv.c (find_phi_replacement_condition): Fix think-o.
2575
2576 2005-04-29  Kazu Hirata  <kazu@cs.umass.edu>
2577
2578         * tree-flow-inline.h: Fix a comment typo.
2579         * doc/tree-ssa.texi: Fix a typo.
2580
2581         * tree-flow-inline.h, tree-ssa-operands.c: Fix comment typos.
2582
2583 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
2584
2585         * config/fr30/fr30.c (fr30_expand_prologue): Use gcc_assert and
2586         gcc_unreachable as appropriate.
2587         (fr30_expand_epilogue, fr30_setup_incoming_varargs,
2588         fr30_print_operand, fr30_move_double): Likewise.
2589         * config/fr30/fr30.md (*movsi_internal, *movsf_internal): Likewise.
2590
2591 2005-04-29  Mark Mitchell  <mark@codesourcery.com>
2592
2593         * config/arm/arm.h (ARM_EABI_CTORS_SECTION_OP): Do not define if a
2594         definition has already been provided.
2595         (ARM_EABI_DTORS_SECTION_OP): Likewise.
2596         * config/arm/symbian.h (ARM_EABI_CTORS_SECTION_OP): Define.
2597         (ARM_EABI_DTORS_SECTION_OP): Likewise.
2598
2599 2005-04-29  Jim Tison  <jtison@us.ibm.com>
2600
2601         * config/s390/s390.md ("prologue_tpf", "epilogue_tpf"): Alter
2602         trace hooks calls to improve performance.
2603
2604 2005-04-29  Julian Brown  <julian@codesourcery.com>
2605             Mark Mitchell  <mark@codesourcery.com>
2606             Paul Brook  <paul@codesourcery.com>
2607
2608         * crtstuff.c: Handle targets that use .init_array.
2609         * function.c (HAS_INIT_SECTION): Do not define. Instead, make sure
2610         that INVOKE__main is set correctly.
2611         (expand_main_function): Test INVOKE__main.
2612         * libgcc2.c: Do not define __main when using .init_array.
2613         * config/arm/arm.c (arm_elf_asm_constructor): New function.
2614         * config/arm/arm.h (CTORS_SECTION_ASM_OP): Define, with specialized
2615         libgcc version.
2616         (DTORS_SECTION_ASM_OP): Likewise.
2617         (CTOR_LIST_BEGIN): Define specially when in libgcc.
2618         (CTOR_LIST_END): Likewise.
2619         (DTOR_LIST_BEGIN): Likewise.
2620         (DTOR_LIST_END): Likewise.
2621         * config/arm/bpapi.h (INIT_SECTION_ASM_OP): Do not define it.
2622         (FINI_SECTION_ASM_OP): Likewise.
2623         (INIT_ARRAY_SECTION_ASM_OP): Define.
2624         (FINI_ARRAY_SECTION_ASM_OP): Likewise.
2625         * config/arm/elf.h (TARGET_ASM_CONSTRUCTOR): Define.
2626         (SUPPORTS_INIT_PRIORITY): Evaluate to false for EABI based targets.
2627         * doc/tm.texi (INIT_ARRAY_SECTION_ASM_OP): Document.
2628         (FINI_ARRAY_SECTION_ASM_OP): Likewise.
2629
2630 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
2631
2632         * config/m68k/m68k.c (m68k_initial_elimination_offset): Use
2633         gcc_assert and gcc_unreachable as appropriate.
2634         (output_dbcc_and_branch, output_scc_di, legitimize_pic_address,
2635         const_int_cost, output_move_const_into_data_reg,
2636         output_move_qimode, output_move_double, find_addr_reg,
2637         print_operand, print_operand_address): Likewise.
2638         * config/m68k/m68k.md (adddi3, subdi3, negsf2, negdf2, abssf2,
2639         absdf2, sordered, sunordered, suneq, sunge, sungt, sunle, sunlt,
2640         sltgt, bordered, bunordered, buneq, bunge, bungt, bunle, bunlt,
2641         bltgt, *bordered_rev, *bunordered_rev, *buneq_rev, *bunge_rev,
2642         *bunle_rev, *bunlt_rev, *bltgt_rev, negxf2, absxf2,
2643         conditional_trap): Likewise.
2644         * config/m68k/m68kelf.h (ASM_OUTPUT_ALIGN): Remove unreachable code.
2645
2646 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
2647
2648         * config/xtensa/xtensa.c (gen_int_relational): Use gcc_assert and
2649         gcc_unreachable as appropriate.
2650         (gen_conditional_move, xtensa_split_operand_pair,
2651         xtensa_split_operand_pair, xtensa_copy_incoming_a7,
2652         xtensa_copy_incoming_a7, xtensa_copy_incoming_a7,
2653         xtensa_copy_incoming_a7, xtensa_output_literal,
2654         xtensa_output_literal, xtensa_output_literal): Likewise.
2655         * config/xtensa/xtensa.h (INITIAL_ELIMINATION_OFFSET): Likewise.
2656         * config/xtensa/xtensa.md (*btrue, *bfalse, *ubtrue, *ubfalse,
2657         *bittrue, *bitfalse, *masktrue, *maskfalse, movsicc_internal0,
2658         movsicc_internal1, movsfcc_internal0,
2659         movsfcc_internal1): Likewise.
2660
2661 2005-04-28  James E Wilson  <wilson@specifixinc.com>
2662
2663         * config/i386/i386.h (HI_REGISTER_NAMES): Fix typos in comment.
2664         (ADDITIONAL_REGISTER_NAMES): Delete obsolete mmx register entries.
2665
2666 2005-04-28  DJ Delorie  <dj@redhat.com>
2667
2668         * opt-functions.awk (var_set): Emit proper initializer for
2669         non-target bitfields.
2670
2671 2005-04-28  Devang Patel  <dpatel@apple.com>
2672
2673         * dbxout.c (have_used_extensions): Remove.
2674         (dbxout_type_fileds, dbxout_type, dbxout_symbol): Remove use of
2675         have_used_extensions.
2676
2677 2005-04-28  James E Wilson  <wilson@specifixinc.com>
2678
2679         * doc/install.texi: Update -enable-languages info.  Correct path to
2680         html docs.
2681
2682 2005-04-28  DJ Delorie  <dj@redhat.com>
2683
2684         * optc-gen.awk (END): Make sure no variable is defined more
2685         than once.
2686         * opth-gen.awk (END): Allocate bits on a per-variable basis.
2687         Allow for bitfield variables other than target_flags.
2688         * doc/options.text (Mask): Document that you may specify a
2689         variable other than target_flags.
2690
2691 2005-04-28  Martin Koegler <mkoegler@auto.tuwien.ac.at>
2692
2693         PR rtl-optimization/18877
2694         * reload.c (decompose) <case REG, case SUBREG>: Handle pseudo reg
2695         number in val.start.
2696
2697 2005-04-28  David Edelsohn  <edelsohn@gnu.org>
2698
2699         PR target/20813
2700         * config/rs6000/aix43.h (SUBSUBTARGET_SWITCHES, aix64): Add
2701         MASK_PPC_GFXOPT.
2702         * config/rs6000/aix51.h (SUBSUBTARGET_SWITCHES, aix64): Same.
2703         * config/rs6000/aix52.h (SUBSUBTARGET_SWITCHES, aix64): Same.
2704         * config/rs6000/sysv4.h (SUBTARGET_SWITCHES, 64): Same.
2705
2706 2005-04-28  Richard Earnshaw  <richard.earnshaw@arm.com>
2707
2708         * arm.c (legitimize_pic_address): Fix sense of assertion test for
2709         creating pseudos when the base offset is too large.
2710
2711 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
2712
2713         * global.c (earlyclobber_regclass): Change the type to
2714         VEC(int,heap).
2715         (check_earlyclobber): Update uses of earlyclobber_regclass.
2716         (mark_reg_use_for_earlyclobber): Likewise.
2717         (calculate_local_reg_bb_info): Allocate and free
2718         earlyclobber_regclass using the VEC API.
2719
2720 2005-04-28  Nathan Sidwell  <nathan@codesourcery.com>
2721
2722         * tree-ssa-alias.c (push_fields_onto_fieldstack): Remove bogus
2723         assert.
2724
2725 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
2726
2727         * modulo-sched.c, tree-stdarg.c: Use targetm.foo instead of
2728         (*targetm.foo).
2729
2730         * config.gcc: Obsolete c4x-* and tic4x-*.
2731
2732         * tree.h (edge_def): Remove.
2733
2734         * bt-load.c, cfgexpand.c, dwarf2out.c, emit-rtl.c, expr.c,
2735         function.c, global.c, lcm.c, loop-invariant.c, optabs.c,
2736         reorg.c, resource.c, tree-ssa-loop-ivopts.c, value-prof.c: Use
2737         JUMP_P, LABEL_P, REG_P, MEM_P, NONJUMP_INSN_P, and INSN_P
2738         where appropriate.
2739
2740         * attribs.c, c-pragma.c, caller-save.c, cfghooks.h,
2741         coverage.c, cselib.h, domwalk.c, domwalk.h, errors.c,
2742         errors.h, gcov-dump.c, gcov-io.c, gcov-io.h, gen-protos.c,
2743         genattrtab.h, genextract.c, gthr-win32.h, insn-notes.def,
2744         integrate.c, lambda-mat.c, lambda.h, libgcov.c, local-alloc.c,
2745         machmode.def, mips-tfile.c, params.c, pretty-print.c,
2746         print-rtl.c, protoize.c, regmove.c, sched-vis.c, tree-chrec.h,
2747         tree-data-ref.h, vec.h, config/darwin-c.c, config/sol2-c.c,
2748         config/sol2.c, config/arm/arm-cores.def, config/arm/cirrus.md,
2749         config/arm/symbian.h, config/c4x/c4x.c, config/c4x/c4x.h,
2750         config/i386/cygming.h, config/i386/djgpp.h,
2751         config/i386/lynx.h, config/i386/netware.c,
2752         config/i386/winnt.c, config/ia64/ia64-c.c,
2753         config/iq2000/iq2000.c, config/m32r/little.h,
2754         config/m68k/m68k-protos.h, config/m68k/m68k.h,
2755         config/m68k/m68k.md, config/mcore/mcore.c,
2756         config/mcore/mcore.h, config/mmix/mmix.c, config/mmix/mmix.md,
2757         config/mn10300/mn10300-protos.h, config/mn10300/mn10300.c,
2758         config/mn10300/mn10300.h, config/ns32k/netbsd.h,
2759         config/ns32k/ns32k.c, config/ns32k/ns32k.h,
2760         config/pa/pa-hpux11.h, config/pdp11/pdp11.c,
2761         config/pdp11/pdp11.h, config/rs6000/darwin.h,
2762         config/rs6000/default64.h, config/rs6000/rs6000-c.c,
2763         config/s390/2064.md, config/s390/2084.md,
2764         config/s390/s390-modes.def, config/s390/s390-protos.h,
2765         config/s390/tpf.h, config/sh/sh.h, config/sh/symbian.c,
2766         config/stormy16/stormy16.c, config/vax/vax-protos.h,
2767         config/vax/vax.c, config/vax/vax.h,
2768         config/xtensa/lib1funcs.asm, config/xtensa/xtensa.md: Update
2769         copyright.
2770
2771 2005-04-28  Joseph S. Myers  <joseph@codesourcery.com>
2772
2773         * c-typeck.c (build_compound_expr): Correct logic in last change.
2774
2775 2005-04-27  James E. Wilson  <wilson@specifixinc.com>
2776
2777         * config/ia64/ia64.c (update_set_flags): Delete ppred and pcond
2778         parameters.  Replace conditional move code with assert checking for
2779         ar.lc.  Delete obsolete comments.
2780         (set_src_needs_barrier): Delete cond parameter, and code using it.
2781         (rtx_needs_barrier): Delete initialization of cond.  Fix typo in
2782         assert checking for PR_REGS.  Fix calls to update_set_flags and
2783         set_src_needs_barrier.
2784         (group_barrier_needed): Renamed from group_barrier_needed_p.  Fix all
2785         callers.  Rewrite explanatory comment before the function.
2786         (safe_group_barrier_needed): Renamed from safe_group_barrier_needed_p.
2787         Fix all callers.
2788
2789 2005-04-27  Mike Stump  <mrs@apple.com>
2790
2791         * doc/cpp.texi: gcc now implements universal character names.
2792
2793 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
2794
2795         PR c/21159
2796         * c-typeck.c (build_compound_expr): Don't warn for left-hand side
2797         being a compound expression whose right-hand side is cast to void.
2798
2799 2005-04-27  Caroline Tice  <ctice@apple.com>
2800
2801         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
2802         Remove targetm.have_named_sections test.
2803         (fix_edges_for_rarely_executed_code): Likewise.
2804         (insert_section_boundary_note): Likewise.
2805         (reorder_basic_blocks): Check partitioning flag before calling
2806         verify_hot_cold_block_grouping.
2807         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
2808         the function struct rather than global variables.
2809         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
2810         (COLD_END_LABEL): Likewise
2811         (cold_text_section_label): New static global variable.
2812         (cold_end_label): Likewise.
2813         (dwarf2out_switch_text_section): Get hot/cold section labels from
2814         the function struct rather than global variables; test to make sure
2815         cfun is defined.
2816         (output_aranges): Use cold_text_section_label and cold_end_label;
2817         check partitioning flag before putting out delta.
2818         (output_ranges): Remove incorrect code attempting to use
2819         hot/cold labels.
2820         (output_line_info): Get cold section label from function struct; test
2821         to make sure cfun is defined.
2822         (add_location_or_const_value_attribute): Likewise.
2823         (dwarf2out_var_location): Likewise.
2824         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
2825         write out cold_text_section_label if partition flag is set.
2826         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
2827         * function.h (struct function): Add new fields to point to hot/cold
2828         section labels: hot_section_label, cold_section_label,
2829         hot_section_end_label and cold_section_end_label; also add new field
2830         for cold text section name, unlikely_text_section_name.
2831         * opts.c (decode_options): Turn off partitioning flag if
2832         !targetm.have_named_sections.
2833         * output.h (hot_section_label): Remove.
2834         (hot_section_end_label): Remove.
2835         (cold_section_end_label): Remove.
2836         (unlikely_section_label): Remove.
2837         (unlikely_text_section_name): Remove.
2838         * passes.c (rest_of_handle_final):  Remove extra blank line.
2839         * varasm.c (unlikely_section_label): Remove.
2840         (hot_section_label): Remove.
2841         (hot_section_end_label): Remove.
2842         (cold_section_end_label): Remove.
2843         (unlikely_text_section_name):  Remove.
2844         (initialize_cold_section_name): Modify to call
2845         targetm.strip_name_encoding; to store cold section name in current
2846         function struct, if it exists; and to only use the decl_section_name
2847         if flag_named_sections is true.
2848         (unlikely_text_section): Modify to get section name out of current
2849         function struct, if there is one; otherwise build it from
2850         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
2851         (in_unlikely_text_section): Likewise.
2852         (named_section): Modify to get/put cold section name in current function
2853         struct, if there is one.
2854         (function_section):  Change 'bool unlikely' to 'int reloc'; check
2855         targetm.have_named_sections before calling named_section.
2856         (current_function_section): Likewise.
2857         (assemble_start_function): Modify to get/put unlikely_text_section_name
2858         in current function struct; modify to get hot/cold section labels
2859         from function struct; initialize labels using
2860         ASM_GENERATE_INTERNAL_LABEL;
2861         test partitioning flag before writing out hot section label.
2862         (assemble_end_function): Test partitioning flag before writing out
2863         hot/cold section labels.
2864         (default_section_type_flags_1):  Get cold text section name from
2865         function struct if there is one; Set flags correctly for
2866         cold text section if there is not a current function struct.
2867
2868 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
2869
2870         * tree-ssa-propagate.c (set_rhs): Revert last change.
2871
2872 2005-04-27  Steve Ellcey  <sje@cup.hp.com>
2873
2874         * explow.c (convert_memory_address): Add gcc_assert.
2875
2876 2005-04-27  Mark Mitchell  <mark@codesourcery.com>
2877
2878         * configure.ac: Check for ld --sysroot support.
2879         * gcc.c: Document %R specifier for specs.
2880         (SYSROOT_SPEC): New macro.
2881         (sysroot_spec): New variable.
2882         (static_specs): Add sysroot_spec.
2883         (main): Pass the sysroot spec to the linker if appropriate.
2884         * configure: Regenerated.
2885         * config.in: Likewise.
2886
2887 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
2888
2889         * fold-const.c (fold_binary): Use build_fold_addr_expr
2890         for address calculation and INDIRECT_REF handling.
2891
2892 2005-04-27  Andrew Haley  <aph@redhat.com>
2893
2894         * postreload-gcse.c (hash_scan_set): Remove bogus assertion.
2895
2896 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
2897
2898         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Reserve arm frame
2899         pointer when thumb backtracing is on.
2900
2901         * config/fp-bit.c (abort): Revert change.
2902
2903 2005-04-27  Ian Lance Taylor  <ian@airs.com>
2904
2905         * c-semantics.c (add_stmt): Don't test STATEMENT_CODE_P.
2906
2907 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
2908
2909         * tree-ssa-dce.c: Fix a comment typo.
2910
2911 2005-04-27  David S. Miller  <davem@davemloft.net>
2912
2913         * explow.c (allocate_dynamic_stack_space SETJMP_VIA_SAVE_AREA):
2914         Kill setjmpless_size.  current_function_calls_setjmp is completely
2915         computed when we are called, so just use the optimized size value
2916         instead of using REG_SAVE_AREA notes.
2917         (optimize_save_area_alloca): Delete....
2918         * rtl.h (optimize_save_area_alloca): Likewise...
2919         * passes.c (rest_of_compilation): and don't call it any more.
2920         * reg-notes.def (SAVE_AREA): Delete.
2921
2922 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
2923
2924         * config/fp-bit.c (abort): Add noreturn attribute.
2925
2926         * config/avr/avr.c (avr_naked_function_p): Use gcc_assert and
2927         gcc_unreachable as appropriate.
2928         (ptrreg_to_str, cond_string, avr_normalize_condition): Likewise.
2929         * config/avr/avr.h (ASM_OUTPUT_REG_PUSH,
2930         ASM_OUTPUT_REG_POP): Likewise.
2931
2932 2005-04-27  Paolo Bonzini  <bonzini@gnu.org>
2933
2934         * tree-complex.c (expand_vector_operations_1): Do not build
2935         VIEW_CONVERT_EXPR's for the lhs.
2936
2937 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
2938
2939         * config/pa/pa.h (PRINT_OPERAND_ADDRESS): Use gcc_assert, remove
2940         unnecessary noncanonical RTL handling.
2941         * config/pa/pa64-linux.h (INITIAL_ELIMINATION_OFFSET): Use
2942         gcc_assert and gcc_unreachable.
2943
2944         * config/arm/arm.h (ARM_PRINT_OPERAND_ADDRESS): Use gcc_assert and
2945         gcc_unreachable as appropriate.
2946         (THUMB_PRINT_OPERAND_ADDRESS): Likewise.
2947         * config/arm/arm.c (arm_override_options, arm_compute_func_type,
2948         use_return_insn, const_ok_for_op, arm_gen_constant,
2949         arm_canonicalize_comparison, legitimize_pic_address,
2950         thumb_find_work_register, arm_load_pic_register, arm_rtx_costs_1,
2951         arm_cirrus_insn_p, cirrus_reorg, minmax_code,
2952         load_multiple_sequence, emit_ldm_seq, store_multiple_sequence,
2953         emit_stm_seq, arm_gen_movmemqi, arm_select_dominance_cc_mode,
2954         arm_select_cc_mode, arm_reload_in_hi, arm_reload_out_hi,
2955         move_minipool_fix_forward_ref, move_minipool_fix_backward_ref,
2956         dump_minipool, create_fix_barrier, push_minipool_fix, arm_reorg,
2957         fp_immediate_constant, fp_const_from_val, vfp_output_fstmx,
2958         output_call, output_mov_long_double_fpa_from_arm,
2959         output_mov_long_double_arm_from_fpa,
2960         output_mov_double_fpa_from_arm, output_mov_double_arm_from_fpa,
2961         output_move_double, arithmetic_instr, shift_op, int_log2,
2962         output_return_instruction, arm_output_function_prologue,
2963         arm_output_epilogue, arm_output_function_epilogue,
2964         emit_multi_reg_push, arm_get_frame_offsets,
2965         arm_compute_initial_elimination_offset, arm_expand_prologue,
2966         arm_print_operand, arm_assemble_integer, get_arm_condition_code,
2967         arm_final_prescan_insn, arm_init_iwmmxt_builtins,
2968         arm_expand_binop_builtin, thumb_pushpop, thumb_far_jump_used_p,
2969         thumb_compute_initial_elimination_offset,
2970         thumb_output_function_prologue, thumb_load_double_from_address,
2971         thumb_output_move_mem_multiple, thumb_reload_out_hi,
2972         arm_emit_vector_const, arm_dbx_register_number): Likewise.
2973         * config/arm/pe.c (arm_mark_dllexport, arm_mark_dllimport): Likewise.
2974         * config/arm/arm.md (thumb_extendhisi2,
2975         *thumb_extendhisi2_insn_v6, *thumb_extendqisi2,
2976         *thumb_extendqisi2_v6, movhi, *thumb_movhi_insn,
2977         thumb_movhi_clobber, movqi, *arm_buneq, *arm_bltgt,
2978         *arm_buneq_reversed, *arm_bltgt_reversed, suneq, sltgt): Likewise.
2979         * config/arm/cirrus.md (*cirrus_arm_movdi,
2980         *cirrus_movdf_hard_insn): Likewise.
2981         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
2982
2983 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
2984
2985         * tree-flow.h (ssa_names): Change the type to VEC(tree,gc).
2986         (num_ssa_names): Use VEC_length.
2987         (ssa_names): Use VEC_index.
2988         * tree-ssanames.c (ssa_names): Change the type to
2989         VEC(tree,gc).
2990         (init_ssanames, fini_ssa_names, make_ssanames,
2991         release_ssa_name): Update uses of ssa_names.
2992
2993         * dojump.c, emit-rtl.c, expmed.c, expr.c, stmt.c, stor-layout.c:
2994         Use fold_buildN instead of fold (buildN (...)).
2995
2996 2005-04-27  Devang Patel <dpatel@apple.com>
2997
2998         * dbxout.c (dbxout_type): Check use_gnu_debug_info_extensions.
2999
3000 2005-04-27  Matt Thomas <matt@3am-software.com>
3001             Jan-Benedict Glaw <jbglaw@microdata-pos.de>
3002
3003         * config/vax/vax.c (vax_rtx_costs): Whitespace cleanup.
3004         (vax_output_mi_thunk): Ditto.
3005         (vax_notice_cc_update): Ditto.
3006         (INDEX_REGISTER_P): Add trailing \.
3007         (BASE_REGISTER_P): Add trailing \.
3008         (legitimate_address_p): Whitespace cleanup.  Remove trailing \.
3009
3010 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
3011
3012         * tree-ssa-propagate.c (set_rhs): Check operand of
3013         ADDR_EXPR for gimpliness, too.
3014
3015 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
3016
3017         * tree-ssa-pre.c: Fix a comment typo.
3018
3019 2005-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
3020
3021         PR tree-optimization/21171
3022         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not
3023         record address uses if the reference is volatile.
3024
3025 2004-04-27  Paolo Bonzini  <bonzini@gnu.org>
3026
3027         * tree-complex.c (expand_vector_operation): New, extracted from
3028         expand_vector_operations_1.
3029         (tree_vec_extract): Build a NOP_EXPR.
3030         (expand_vec_parallel): Do not care about returning the correct type.
3031         (expand_vector_operations_1): Call expand_vector_operation.
3032         Build the VIEW_CONVERT_EXPR on the left side of MODIFY_EXPRs.
3033
3034         * tree-complex.c (gate_expand_vector_operations): New.
3035         (pass_lower_vector_ssa): Use it.
3036         * tree-optimize.c (init_tree_optimization_passes): Include
3037         pass_lower_vector_ssa.
3038         * tree-vect-transform.c (vect_min_worthwhile_factor): New.
3039         (vectorizable_operation): Use it.
3040         * tree-vectorizer.c (get_vectype_for_scalar_type): Accept
3041         integer modes for the vector type.
3042
3043         * defaults.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
3044         * tree-vect-analyze.c (vect_enhance_data_refs_alignment):
3045         Do not cope with UNITS_PER_SIMD_WORD == 0.
3046         * tree-vectorizer.c (get_vectype_for_scalar_type): Check
3047         if the scalar type is not bigger than UNITS_PER_SIMD_WORD.
3048         (vectorize_loops): Do not check that UNITS_PER_SIMD_WORD > 0.
3049         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
3050         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
3051         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
3052         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
3053
3054         * config/alpha/alpha.h (UNITS_PER_SIMD_WORD): Remove.
3055         * config/bfin/bfin.h (UNITS_PER_SIMD_WORD): Remove.
3056         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): Remove.
3057
3058         * doc/tm.texi (UNITS_PER_WORD): Rephrase more accurately.
3059         (UNITS_PER_SIMD_WORD): New.
3060
3061 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
3062
3063         * config/ia64/ia64.c (ia64_encode_addr_area): Use gcc_assert and
3064         gcc_unreachable as appropriate.
3065         (ia64_expand_load_address, ia64_expand_tls_address,
3066         ia64_split_tmode, ia64_split_tmode_move, ia64_expand_compare,
3067         ia64_expand_vecint_compare, ia64_expand_vecint_minmax,
3068         next_scratch_gr_reg, ia64_initial_elimination_offset,
3069         ia64_expand_prologue, ia64_expand_epilogue,
3070         ia64_output_dwarf_dtprel, ia64_print_operand,
3071         ia64_register_move_cost, first_instruction, rws_access_regno,
3072         update_set_flags, rtx_needs_barrier, group_barrier_needed_p,
3073         ia64_sched_init, ia64_variable_issue,
3074         ia64_first_cycle_multipass_dfs_lookahead_guard,
3075         ia64_dfa_new_cycle, issue_nops_and_insn, get_template, bundling,
3076         ia64_st_address_bypass_p, ia64_ld_address_bypass_p, process_set,
3077         process_for_unwind_directive, ia64_hpux_file_end): Likewise.
3078         * config/ia64/ia64.h (ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
3079         * config/ia64/ia64.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
3080         * config/ia64/predicates.md (got_symbolic_operand,
3081         sdata_symbolic_operand): Likewise.
3082         * config/ia64/vect.md (vcondv2sf): Likewise.
3083
3084 2005-04-27  Matt Thomas <matt@3am-software.com>
3085
3086         * config/vax/vax.c (legitimate_constant_address_p): New.  Formerly
3087         CONSTANT_ADDRESS_P in config/vax/vax.h
3088         (legitimate_constant_p): Added.  Formerly CONSTANT_P in vax.h.
3089         (INDEX_REGISTER_P): New.
3090         (BASE_REGISTER_P): New.
3091         (indirectable_constant_address_p): New.  Adapted from
3092         INDIRECTABLE_CONSTANT_ADDRESS_P in vax.h. Use SYMBOL_REF_LOCAL_P.
3093         (indirectable_address_p): New.  Adapted from
3094         INDIRECTABLE_ADDRESS_P in vax.h.
3095         (nonindexed_address_p): New.  Adapted from
3096         GO_IF_NONINDEXED_ADDRESS in vax.h.
3097         (index_temp_p): New.  Adapted from INDEX_TERM_P in vax.h.
3098         (reg_plus_index_p): New.  Adapted from GO_IF_REG_PLUS_INDEX in vax.h.
3099         (legitimate_address_p): New.  Adapted from
3100         GO_IF_LEGITIMATE_ADDRESS in vax.h.
3101         (vax_mode_dependent_address_p): New.  Adapted from
3102         GO_IF_MODE_DEPENDENT_ADDRESS in vax.h.
3103         * config/vax/vax.h (CONSTANT_ADDRESS_P): Use
3104         legitimate_constant_address_p.
3105         (CONSTANT_P): Use legitimate_constant_p.
3106         (INDIRECTABLE_CONSTANT_ADDRESS_P): Removed.
3107         (INDIRECTABLE_ADDRESS_P): Removed.
3108         (GO_IF_NONINDEXED_ADDRESS): Removed.
3109         (INDEX_TEMP_P): Removed.
3110         (GO_IF_REG_PLUS_INDEX): Removed.
3111         (GO_IF_LEGITIMATE_ADDRESS): Use legitimate_address_p. Two
3112         definitions, depending on whether REG_OK_STRICT is defined.
3113         (GO_IF_MODE_DEPENDENT_ADDRESS): Use vax_mode_dependent_address_p.
3114         Two definitions, depending on whether REG_OK_STRICT is defined.
3115         * config/vax/vax-protos.h (legitimate_constant_address_p): Prototype
3116         added.
3117         (legitimate_constant_p): Prototype added.
3118         (legitimate_address_p): Prototype added.
3119         (vax_mode_dependent_address_p): Prototype added.
3120
3121 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
3122
3123         * tree.h (phi_arg_d): Expand a comment in phi_arg_d.
3124
3125 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
3126
3127         PR c/21213
3128         * c-decl.c (finish_struct): Don't dereference NULL TYPE_FIELDS of
3129         transparent union.
3130
3131 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
3132
3133         PR c/20740
3134         * c-format.c (init_dynamic_asm_fprintf_info): Give errors, not
3135         assertion failures, if __gcc_host_wide_int__ is not properly
3136         defined.
3137         (init_dynamic_diag_info): Give errors, not assertion failures, if
3138         location_t, tree or __gcc_host_wide_int__ are not properly
3139         defined.
3140
3141 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
3142
3143         * tree-ssa-loop-ivopts.c (ivopts_data, decl_rtl_to_reset,
3144         n_iv_uses, iv_use, n_iv_cands, iv_cand,
3145         tree_ssa_iv_optimize_init, record_use, add_candidate_1,
3146         prepare_decl_rtl, free_loop_data,
3147         tree_ssa_iv_optimize_finalize): Use the VEC API instead of
3148         VARRAY.
3149
3150         * tree.h (tree_phi_node): Add a comment about the order of PHI
3151         arguments.
3152
3153 2005-04-26  Paul Brook  <paul@codesourcery.com>
3154
3155         * config/arm/arm.md (thumb_mulsi3): Use two-operand assembly form.
3156
3157 2005-04-26  Nathan Sidwell  <nathan@codesourcery.com>
3158
3159         * config/mips.mips.c (mips_legitimize_tls_address): Use
3160         gcc_unreachable.
3161
3162         * config/mmix/mmix.c (mmix_assemble_integer): Use gcc_assert.
3163         * config/mmix/crti.asm (_init): Reword comment to avoid 'abort'.
3164         * config/mmix/mmix.md (nonlocal_goto_receiver): Likewise.
3165
3166         * config/sparc/sparc.h (enum reg_class): Reword comment to avoid
3167         'abort'.
3168
3169 2005-04-26  Jeff Law  <law@redhat.com>
3170
3171         * tree-flow-inline.h (op_iter_next_must_and_may_def): New.
3172         (op_iter_init_must_and_may_def): Likewise.
3173         (unmodifiable_var_p): Move to a later point in the file.
3174         * tree-ssa-operands.h (FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): New.
3175         * tree-ssa-dse.c (need_imm_uses_for): Remove, no longer needed.
3176         (dse_record_phis): Directly check for virtual operands rather than
3177         using need_imm_uses_for.
3178         (dse_optimize_stmt): Handle V_MUST_DEF operands.  Handle case where
3179         store has multiple V_{MAY,MUST}_DEF operands.
3180
3181 2005-04-26  Andrew MacLeod  <amacleod@redhat.com>
3182
3183         * tree-cfg.c (bsi_replace): Delink immediate uses for the original
3184         stmt.
3185
3186 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
3187
3188         * tree-cfg.c (lv_adjust_loop_header_phi): Speed up moving a
3189         call to find_edge outside a loop to go through a PHI chain.
3190
3191 2004-04-26  Richard Guenther  <rguenth@gcc.gnu.org>
3192
3193         PR tree-optimization/17598
3194         * fold-const.c (fold_binary): Fold comparisons of addresses
3195         of COMPONENT_REFs which reference the same field to
3196         comparisons of the addresses of the base objects.
3197
3198 2005-04-26  Julian Brown  <julian@codesourcery.com>
3199
3200         * config/arm/arm.c (arm_return_in_msb): New function.
3201         (arm_must_pass_in_stack): New function.
3202         (TARGET_RETURN_IN_MSB): Define target hook.
3203         (TARGET_MUST_PASS_IN_STACK): Define target hook.
3204         (arm_function_value): Pad small aggregate return.
3205         (arm_pad_arg_upward): New function.
3206         (arm_pad_reg_upward): New function.
3207         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Include complex values.
3208         (FUNCTION_ARG_PADDING): Define macro.
3209         (BLOCK_REG_PADDING): Define macro.
3210         (PAD_VARARGS_DOWN): Correct padding for AAPCS.
3211         * config/arm/arm-protos.h (arm_pad_arg_upward): Declare function.
3212         (arm_pad_reg_upward): Declare function.
3213
3214 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
3215
3216         * basic-block.h (ei_cond): New.
3217         (FOR_EACH_EDGE): Call ei_cond.
3218
3219         PR tree-optimization/21047
3220         * fold-const.c (fold_binary): Abort on ASSERT_EXPR.
3221         (fold): Don't handle ASSERT_EXPR.
3222
3223 2005-04-25  Roger Sayle  <roger@eyesopen.com>
3224
3225         * sched-deps.c (sched_analyze_1): On STACK_REGS targets, x87, treat
3226         all writes to any stack register as a read/write dependency on
3227         FIRST_STACK_REG.
3228         (sched_analyze_2): Likewise, for reads from any stack register.
3229
3230 2005-04-25  Richard Henderson  <rth@redhat.com>
3231
3232         * final.c (output_addr_const): Revert 2005-04-09 change.
3233
3234 2005-04-25  Mike Stump  <mrs@apple.com>
3235
3236         * config/darwin.c (darwin_encode_section_info): Always set
3237         MACHO_SYMBOL_STATIC for all ! TREE_PUBLIC symbols.
3238
3239 2005-04-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3240
3241         * collect2.c, gcc.c, gcov-dump.c, gcov.c, gen-protos.c,
3242         gensupport.c, protoize.c, toplev.c: Replace calls to
3243         `unlock_stream' with `unlock_std_streams'.
3244
3245 2005-04-25  Devang Patel <dpatel@apple.com>
3246
3247         * dbxout.c (dbxout_type): Emit attribute vector.
3248
3249 2005-04-05  Paul Brook  <paul@codesourcery.com>
3250
3251         * target-def.h (TARGET_CXX_USE_AEABI_ATEXIT): Define.
3252         * target.h (struct gcc_target): Add cxx.use_aeabi_atexit.
3253         * config/arm/arm.c (arm_cxx_atexit_name): New function.
3254         (TARGET_CXX_USE_AEABI_ATEXIT): New macro.
3255         * cp/decl.c (get_atexit_node): Reorder arguments for __aeabi_atexit.
3256         (register_dtor_fn): Likewise.
3257         * doc/tm.texi: Document TARGET_CXX_USE_AEABI_ATEXIT.
3258
3259 2005-04-25  Ian Lance Taylor  <ian@airs.com>
3260
3261         * c-common.def (EXPR_STMT): Remove, moved to C++ frontend.
3262         * c-common.h (EXPR_STMT_EXPR): Don't define.
3263         (c_common_stmt_codes): Don't define.
3264         * c-dump.c (c_dump_tree): Remove EXPR_STMT case.
3265         * c-gimplify.c (gimplify_expr_stmt): Remove.
3266         (c_gimplify_expr): Remove EXPR_STMT case.
3267         * c-objc-common.c (c_objc_common_init): Remove stmt_codes and call
3268         to INIT_STATEMENT_CODES.
3269         * c-pretty-print.c (pp_c_statement): Just call dump_generic_node.
3270
3271 2005-04-25  Jan Hubicka  <jh@suse.cz>
3272
3273         * tree-cfg.c (tree_duplicate_bb): Duplicate EH region too.
3274
3275         * except.c: Include diagnostic.h
3276         (dump_eh_tree, verify_eh_tree): New functions.
3277         * except.h (verify_eh_tree, dump_eh_tree, verify_eh_edges): Declare.
3278         * tree-cfg.c (tree_verify_flow_info): verify eh edges.
3279         (dump_function_to_file): dump eh tree.
3280         * tree-eh.c (mark_eh_edge): New function.
3281         (mark_eh_edge_found_error): New static variable.
3282         (verify_eh_edges): New function.
3283
3284 2005-04-25  Nathan Sidwell  <nathan@codesourcery.com>
3285
3286         * tree-ssa-alias.c (fieldoff_t): Remove.
3287         (fieldoff_s): typedef the structure itself.  Create a vector of
3288         objects.
3289         (push_fields_onto_fieldstack): Return count of fields pushed.
3290         Remove peeling of first field.  Adjust.
3291         (fieldoff_compare): Adjust.
3292         (create_overlap_variables_for): Adjust.
3293
3294 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
3295
3296         * doc/invoke.texi (Blackfin Options): Avoid empty @opindex line.
3297
3298 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
3299
3300         PR bootstrap/21215
3301         * doc/install.texi: Document correct assembler and linker to use
3302         on i?86-*-solaris2.10.
3303
3304 2005-04-25  Steven Bosscher  <stevenb@suse.de>
3305
3306         Fix PR tree-optimization/21173
3307
3308         * tree-ssa-pre.c (create_expression_by_pieces): Simplify code.
3309         Unshare expression we pass to force_gimple_operand.
3310
3311 2005-04-25  J"orn Rennecke <joern.rennecke@st.com>
3312             Stephen Clarke <stevec@superh.com>
3313             Roger Sayle <roger@eyesopen.com>
3314
3315         PR rtl-optimization/20413
3316         * cfgrtl.c (redirect_edge_and_branch): Use Pmode instead of
3317         VOIDmode for LABEL_REF.
3318         * final.c (shorten_branches): Likewise.
3319         * jump.c (mark_all_labels, redirect_exp_1): Likewise.
3320         * loop.c (reg_dead_after_loop): Likewise.
3321         * varasm.c (decode_addr_const): Likewise.
3322         * doc/rtl.texi: Document mode requirement for LABEL_REF.
3323
3324 2005-04-25  Ralf Corsepius  <ralf.corsepius@rtems.org>
3325
3326         * config.gcc (avr-*-*): Remove redundant "case".
3327
3328 2005-04-25  Kazu Hirata  <kazu@cs.umass.edu>
3329
3330         * tree-vect-analyze.c (vect_mark_relevant): Take
3331         VEC(tree,heap) instead of varray_type as an argument.
3332         (vect_mark_stmts_to_be_vectorized): Change the type of
3333         worklist to VEC(tree,heap).  Adjust uses of worklist.
3334
3335 2005-04-24  Devang Patel  <dpatel@apple.com>
3336
3337         *  config/rs6000/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
3338
3339 2005-04-24  Ian Lance Taylor  <ian@airs.com>
3340
3341         * c-semantics.c (build_stmt): Remove test of specific tree codes
3342         for TREE_SIDE_EFFECTS handling.
3343
3344 2005-04-24  Per Bothner  <per@bothner.com>
3345
3346         * c-opts.c (finish_options):  Make the line-number of the <built-in>
3347         location 0, as assumed elsewhere, rather than 1.
3348
3349 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
3350
3351         * tree-ssa-uncprop.c (equiv_stack): Change the type o
3352         VEC(tree,heap).
3353         (tree_ssa_uncprop, uncprop_finalize_block,
3354         uncprop_initialize_block): Update uses of equiv_stack.
3355
3356 2005-04-24  Richard Henderson  <rth@redhat.com>
3357
3358         PR rtl-opt/21163
3359         * simplify-rtx.c (simplify_binary_operation) <IOR>: Check
3360         for SCALAR_INT_MODE_P instead of not MODE_CC before returning
3361         constm1_rtx.
3362         <AND, LSHIFTRT, UMIN>: Use CONST0_RTX.
3363         <UDIV, UMOD>: Use CONST0_RTX and CONST1_RTX.
3364         <DIV, MOD>: Likewise.
3365
3366 2005-04-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3367
3368         * collect2.c (main): Unlock the stdio streams.
3369         * gcc.c (main): Likewise.
3370         * gcov-dump.c (main): Likewise.
3371         * gcov.c (main): Likewise.
3372         * gen-protos.c (main): Likewise.
3373         * gensupport.c (init_md_reader_args_cb): Likewise.
3374         * protoize.c (main): Likewise.
3375         * toplev.c (general_init): Likewise.
3376
3377 2005-04-24  Jakub Jelinek  <jakub@redhat.com>
3378
3379         PR middle-end/20991
3380         * cgraph.h (cgraph_local_info): Add vtable_method field.
3381         * varasm.c (mark_decl_referenced): If cgraph_global_info_ready
3382         and node is vtable_method, finalized and not reachable, don't do
3383         anything.
3384
3385 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
3386
3387         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Use
3388         COMPARISON_CLASS_P.
3389         * tree-ssa-pre.c (create_value_expr_from): Use
3390         CONSTANT_CLASS_P and REFERENCE_CLASS_P.
3391         * tree-ssa-propagate.c (stmt_makes_single_load,
3392         stmt_makes_single_store): Use REFERENCE_CLASS_P.
3393         * tree-vect-transform.c (vect_is_simple_cond): Use
3394         COMPARISON_CLASS_P.
3395         * tree-vrp.c (extract_range_from_assert,
3396         build_assert_expr_for, fp_predicate, has_assert_expr): Use
3397         COMPARISON_CLASS_P.
3398
3399         * tree-ssa-live.c (build_tree_conflict_graph): Change the type
3400         of tpa_to_clear to VEC(int,heap).  Update uses of
3401         tpa_to_clear.  Free tpa_to_clear at the end.
3402
3403 2005-04-24  Andrew Pinski  <pinskia@physics.uc.edu>
3404
3405         * tree.h (TREE_THIS_VOLATILE): Document the effect on a
3406         function decl.
3407
3408 2005-04-24  Nathan Sidwell  <nathan@codesourcery.com>
3409
3410         * config/rs6000/rs6000.c (rs6000_override_options): Use gcc_assert
3411         and gcc_unreachable as appropriate.
3412         (num_insns_constant, output_vec_const_move,
3413         build_mask64_2_operands, rs6000_output_dwarf_dtprel,
3414         rs6000_emit_set_const, rs6000_emit_move,
3415         spe_build_register_parallel, function_arg,
3416         rs6000_move_block_from_reg, altivec_expand_predicate_builtin,
3417         spe_expand_predicate_builtin, spe_expand_evsel_builtin,
3418         rs6000_expand_builtin, spe_init_builtins, altivec_init_builtins,
3419         rs6000_common_init_builtins, expand_block_clear,
3420         expand_block_move, validate_condition_mode, ccr_bit, extract_MB,
3421         extract_ME, rs6000_get_some_local_dynamic_name,
3422         rs6000_output_function_entry, print_operand,
3423         print_operand_address, rs6000_generate_compare, rs6000_emit_sCOND,
3424         output_cbranch, output_e500_flip_gt_bit,
3425         rs6000_emit_vector_compare, rs6000_emit_vector_compare,
3426         rs6000_emit_cmove, rs6000_emit_minmax, rs6000_split_multireg_move,
3427         compute_save_world_info, rs6000_stack_info,
3428         rs6000_emit_load_toc_table, rs6000_frame_related,
3429         spe_synthesize_frame_save, rs6000_emit_epilogue,
3430         rs6000_output_function_epilogue, rs6000_hash_constant, output_toc,
3431         output_function_profiler, rs6000_trampoline_size,
3432         rs6000_initialize_trampoline, find_addr_reg,
3433         rs6000_machopic_legitimize_pic_address,
3434         rs6000_initial_elimination_offset,
3435         rs6000_dbx_register_number): Likewise.
3436         * config/rs6000/rs6000.md (*fix_truncdfsi2_internal,
3437         *movdf_hardfloat32, *movdf_softfloat32, *fix_trunctfsi2_internal,
3438         *movti_power, *movti_string, call, call_value, sibcall,
3439         sibcall_value): Likewise.
3440         * config/rs6000/spe.md (*movdf_e500_double,
3441         *movv2si_internal): Likewise.
3442         * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): Remove 'abort'
3443         from comment.
3444
3445 2005-04-24  Richard Henderson  <rth@redhat.com>
3446
3447         PR target/21101
3448         * config/i386/i386.h (CANNOT_CHANGE_MODE_CLASS): Move guts to ...
3449         * config/i386/i386.c (ix86_cannot_change_mode_class): ... here.
3450         Deny modes smaller than 4 bytes.
3451         * config/i386/i386-protos.h: Update.
3452
3453 2005-04-24  Ralf Corsepius  <ralf.corsepius@rtems.org>
3454
3455         * config.gcc (h8300-*-rtems*): Add h8300-*-rtemscoff*.
3456         Switch h8300-*-rtems* to ELF.
3457
3458 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
3459
3460         * vec.h (VEC_safe_grow): Replace grow with safe_grow.
3461
3462 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
3463
3464         * ipa-inline.c, tree-ssa-operands.h: Fix comment typos.
3465
3466 2005-04-23  Richard Guenther  <rguenth@gcc.gnu.org>
3467
3468         PR middle-end/21082
3469         * fold-const.c: Fold &a[i]-&a[j] to i-j.
3470
3471 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
3472
3473         * tree-ssa-loop-niter.c (tree_simplify_using_condition): Expand simple
3474         definitions of ssa names in condition.  Split recusive part to ...
3475         (tree_simplify_using_condition_1): New function.
3476         (expand_simple_operations): New function.
3477
3478 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
3479
3480         * tree-ssa-loop-ivopts.c (struct cost_pair): Add value field.
3481         (find_interesting_uses_cond): Do not use integer_zerop and
3482         integer_nonzerop to check for integer constants.
3483         (set_use_iv_cost): Record the value field.
3484         (determine_use_iv_cost_generic, determine_use_iv_cost_address,
3485         determine_use_iv_cost_outer): Set the value field of the cost pair.
3486         (may_eliminate_iv): Do not return the comparison code.
3487         (iv_elimination_compare): New function.
3488         (determine_use_iv_cost_condition): Set the value field.  Record
3489         noneliminable invariants correctly.
3490         (rewrite_use_compare, rewrite_use_outer): Use the value field.
3491
3492 2005-04-23  DJ Delorie  <dj@redhat.com>
3493
3494         * diagnostic.c (warning): Accept parameter to classify warning option.
3495         (warning0): New, for when a pointer to an error() like function is needed.
3496         * errors.c (warning): Likewise.
3497         * errors.h (warning, warning0): Adjust prototypes.
3498         * toplev.h (warning, warning0): Likewise.
3499
3500         * attribs.c, builtins.c, c-common.c, c-decl.c, c-format.c,
3501         c-gimplify.c, c-lex.c, c-objc-common.c, c-opts.c, c-parser.c,
3502         c-pragma.c, c-typeck.c, calls.c, cgraph.c, coverage.c, emit-rtl.c,
3503         fold-const.c, fortran/trans-decl.c, function.c, gcse.c,
3504         genautomata.c, haifa-sched.c, opts.c, passes.c, regclass.c,
3505         reload1.c, stmt.c, stor-layout.c, toplev.c, tree-cfg.c,
3506         tree-dump.c, tree-inline.c, tree-mudflap.c, tree-optimize.c,
3507         tree-ssa.c, tree.c, varasm.c: Adjust warning() callers.
3508
3509         * config/alpha/alpha.c, config/arc/arc.c, config/arm/arm.c,
3510         config/avr/avr.c, config/bfin/bfin.c, config/c4x/c4x-c.c,
3511         config/c4x/c4x.c, config/cris/cris.c, config/darwin-c.c,
3512         config/darwin.c, config/darwin.h, config/h8300/h8300.c,
3513         config/i386/cygming.h, config/i386/djgpp.h, config/i386/i386.c,
3514         config/i386/winnt.c, config/ia64/ia64-c.c, config/ia64/ia64.c,
3515         config/ip2k/ip2k.c, config/m32r/m32r.c, config/m68hc11/m68hc11.c,
3516         config/m68k/m68k.c, config/mcore/mcore.c, config/mips/mips.c,
3517         config/mmix/mmix.c, config/ns32k/ns32k.c, config/pa/pa-hpux11.h,
3518         config/pa/pa.c, config/rs6000/aix43.h, config/rs6000/aix51.h,
3519         config/rs6000/aix52.h, config/rs6000/darwin.h,
3520         config/rs6000/rs6000-c.c, config/rs6000/rs6000.c,
3521         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
3522         config/sh/symbian.c, config/sol2-c.c, config/sol2.c,
3523         config/stormy16/stormy16.c, config/v850/v850-c.c,
3524         config/v850/v850.c, config/xtensa/xtensa.c: Adjust warning()
3525         callers.
3526
3527 2005-04-23  Richard Henderson  <rth@redhat.com>
3528
3529         PR rtl-opt/21102
3530         * simplify-rtx.c (simplify_binary_operation): Fix mode check before
3531         performing some integral scalar simplifications.
3532
3533 2005-04-23  Richard Henderson  <rth@redhat.com>
3534
3535         PR target/21099
3536         * config/i386/i386.c (ix86_split_to_parts): Use proper mode when
3537         simplifying CONST_VECTOR.
3538
3539 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
3540
3541         * tree-ssa-live.c (live_worklist): Take a stack allocated on
3542         heap as an argument.  Update uses of stack.
3543         (calculate_live_on_entry): Allocate stack on heap.
3544
3545         * tree-ssa-live.c (build_tree_conflict_graph): Allocate
3546         partition_link and tpa_nodes on heap.
3547
3548         * tree-ssa-dce.c (worklist): Change to VEC(tree,heap).
3549         (mark_stmt_necessary, propagate_necessity,
3550         mark_really_necessary_kill_operand_phis): Update uses of
3551         worklist.
3552         (tree_dce_init): Allocate worklist using VEC_alloc.
3553         (tree_dce_done): Free worklist using VEC_free.
3554
3555 2005-04-23  Mike Stump  <mrs@apple.com>
3556
3557         * config/darwin.c (machopic_indirection_name): Don't use
3558         quotes needlessly.
3559         (darwin_emit_unwind_label): Use user_label_prefix instead of
3560         "_".
3561
3562 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
3563
3564         * final.c, ipa-inline.c, varasm.c: Fix comment typos.
3565
3566 2005-04-23  Hans-Peter Nilsson  <hp@axis.com>
3567
3568         * config.gcc <cris-*>: Specify .opt files.
3569         * config/cris/cris.opt, config/cris/elf.opt, config/cris/aout.opt,
3570         config/cris/linux.opt: New files.
3571         * config/cris/aout.h (CRIS_SUBTARGET_SWITCHES)
3572         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
3573         (TARGET_ELF): Override to 0.
3574         (CRIS_SUBTARGET_HANDLE_OPTION): Override to handle -melinux and
3575         -melinux-stacksize=N.
3576         * config/cris/cris.c: (cris_handle_option): New function.
3577         (TARGET_DEFAULT_TARGET_FLAGS): Override.
3578         (TARGET_HANDLE_OPTION): Override to cris_handle_option.
3579         (cris_override_options): Use MASK_*, not TARGET_MASK_*.
3580         * config/cris/cris.h (TARGET_MASK_SVINTO, TARGET_SVINTO,
3581         (TARGET_MASK_CCINIT, TARGET_CCINIT, TARGET_MASK_PDEBUG)
3582         (TARGET_PDEBUG, TARGET_MASK_SIDE_EFFECT_PREFIXES)
3583         (TARGET_SIDE_EFFECT_PREFIXES, TARGET_MASK_EXPAND_MUL)
3584         (TARGET_EXPAND_MUL, TARGET_MASK_STACK_ALIGN, TARGET_STACK_ALIGN)
3585         (TARGET_MASK_CONST_ALIGN, TARGET_CONST_ALIGN)
3586         (TARGET_MASK_DATA_ALIGN, TARGET_DATA_ALIGN)
3587         (TARGET_MASK_PROLOGUE_EPILOGUE, TARGET_PROLOGUE_EPILOGUE)
3588         (TARGET_MASK_ETRAX4_ADD, TARGET_ETRAX4_ADD)
3589         (TARGET_MASK_ALIGN_BY_32, TARGET_ALIGN_BY_32, TARGET_MASK_ELF)
3590         (TARGET_ELF, TARGET_MASK_LINUX, TARGET_LINUX)
3591         (TARGET_MASK_AVOID_GOTPLT, TARGET_AVOID_GOTPLT)
3592         (TARGET_MASK_MUL_BUG, TARGET_MUL_BUG, TARGET_SWITCHES)
3593         (CRIS_SUBTARGET_SWITCHES, TARGET_OPTIONS)
3594         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
3595         (TARGET_LINUX): Define 0.
3596         (TARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
3597         (CRIS_SUBTARGET_DEFAULT): Define to 0, not TARGET_MASK_ELF.
3598         (CRIS_SUBTARGET_DEFAULT): New empty default macro.
3599         * config/cris/linux.h (CRIS_SUBTARGET_SWITCHES): Don't define.
3600         (TARGET_LINUX): Override to 1.
3601         (CRIS_SUBTARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
3602
3603 2005-04-23  Nathan Sidwell  <nathan@codesourcery.com>
3604
3605         * haifa-sched.c (schedule_block): Fix thinko in previous
3606         assertification patch.
3607
3608 2005-04-23  Richard Sandiford  <rsandifo@redhat.com>
3609
3610         * config.gcc (hppa[12]*-*-hpux10*): Add pa/pa-hpux.opt to
3611         $extra_options.  Also add pa/pa-hpux1010.opt for hpux10.[1-9]*.
3612         (hppa*64*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
3613         pa/pa-hpux.opt, pa/pa-hpux1010.opt and pa/pa64-hpux.opt to
3614         $extra_options.  Also add pa/pa-hpux1111.opt for hpux11.[1-9]*.
3615         (hppa[12]*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
3616         pa/pa-hpux.opt to $extra_options.  Also add pa/pa-hpux1111.opt
3617         for hpux11.[1-9]*.
3618         * config/pa/pa.h (architecture_type, rtx_def, pa_arch_string, pa_arch)
3619         (pa_fixed_range_string, pa_cpu_string, pa_unix_string, target_flags)
3620         (MASK_PA_11, MASK_DISABLE_FPREGS, TARGET_DISABLE_FPREGS)
3621         (MASK_NO_SPACE_REGS, TARGET_NO_SPACE_REGS, MASK_JUMP_IN_DELAY)
3622         (TARGET_JUMP_IN_DELAY, MASK_DISABLE_INDEXING, TARGET_DISABLE_INDEXING)
3623         (MASK_PORTABLE_RUNTIME, TARGET_PORTABLE_RUNTIME, MASK_GAS, TARGET_GAS)
3624         (MASK_SOFT_FLOAT, TARGET_SOFT_FLOAT, MASK_LONG_LOAD_STORE)
3625         (TARGET_LONG_LOAD_STORE, MASK_FAST_INDIRECT_CALLS)
3626         (TARGET_FAST_INDIRECT_CALLS, MASK_BIG_SWITCH, TARGET_BIG_SWITCH)
3627         (MASK_PA_20, MASK_SIO, TARGET_SIO, MASK_GNU_LD, TARGET_GNU_LD)
3628         (MASK_LONG_CALLS, TARGET_LONG_CALLS, TARGET_PA_11, TARGET_PA_20)
3629         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS)
3630         (SUBTARGET_OPTIONS): Delete.
3631         (TARGET_PA_10): Redefine in terms of TARGET_PA_11 and TARGET_PA_20.
3632         (TARGET_SCHED_DEFAULT): Define to a PROCESSOR_* enum (PROCESSOR_8000)
3633         instead of a string.
3634         * config/pa/pa.c (pa_arch, pa_arch_string, pa_fixed_range_string)
3635         (pa_cpu_string, pa_unix_string): Delete.
3636         (pa_cpu): Initialize to TARGET_SCHED_DEFAULT.
3637         (flag_pa_unix): Initialize based on TARGET_HPUX_11_11 and
3638         TARGET_HPUX_10_10.
3639         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3640         (pa_handle_option): New function.
3641         (override_options): Remove handling of -march=, -mfixed-range=,
3642         -mschedule= and -munix=.
3643         * config/pa/pa-hpux.h (SUBTARGET_SWITCHES): Delete.
3644         * config/pa/pa-hpux1010.h (SUBTARGET_OPTIONS): Delete.
3645         * config/pa/pa-hpux10.h (SUBTARGET_OPTIONS): Delete.
3646         * config/pa/pa-hpux1111.h (SUBTARGET_OPTIONS): Delete.
3647         * config/pa/pa-hpux11.h (SUBTARGET_OPTIONS): Delete.
3648         * config/pa/pa64-hpux.h (SUBTARGET_SWITCHES): Delete.
3649         * config/pa/pa64-start.h (TARGET_PA_11, TARGET_PA_20): #undef before
3650         redefining.
3651         * config/pa/pa.opt: New file.
3652         * config/pa/pa-hpux.opt: New file.
3653         * config/pa/pa-hpux1010.opt: New file.
3654         * config/pa/pa-hpux1111.opt: New file.
3655         * config/pa/pa64-hpux.opt: New file.
3656
3657 2005-04-22  David S. Miller  <davem@davemloft.net>
3658
3659         * rtl.h (CONST_DOUBLE): Fix comment, a CONST_DOUBLE holds an
3660         integer when it's mode is VOIDmode not DImode.
3661
3662 2005-04-22  Geoffrey Keating  <geoffk@apple.com>
3663
3664         * config/rs6000/rs6000.md (sync_add<mode>_internal,
3665         sync_addshort_internal, sync_sub<mode>_internal, sync_andsi_internal,
3666         sync_anddi_internal, sync_boolsi_internal, sync_booldi_internal,
3667         sync_boolc<mode>_internal, sync_boolc<mode>_internal2,
3668         sync_boolcc<mode>_internal, sync_lock_test_and_set<mode>): Use
3669         "bne- $-xxx" rather than local labels.
3670         (sync_lock_release<mode>): Add second operand.
3671         (lwsync): Use .long rather than a more meaningful opcode.
3672         * doc/md.texi (Standard Names): Add description of second
3673         parameter to sync_lock_test_and_set.
3674
3675 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
3676
3677         PR tree-optimization/21088
3678         * fold-const.c (fold_unary, fold_binary, fold_ternary):
3679         Export.
3680         * tree-vrp.c (compare_values): Use fold_binary to compare
3681         pointers.  Use boolean_type_node as the type of a comparison
3682         expression being folded.
3683         * tree.h: Add prototypes for fold_unary, fold_binary,
3684         fold_ternary.
3685
3686         * tree-ssa-dom.c: Fix formatting.
3687
3688 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
3689
3690         * Makefile.in (tree-into-ssa.o): Add dependency on PARAMS_H.
3691         * lambda-code.c (perfect_nestify): Mark virtual operands in
3692         the moved statement for renaming.
3693         * params.def (PARAM_MIN_VIRTUAL_MAPPINGS): Define.
3694         (PARAM_VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
3695         * params.h (MIN_VIRTUAL_MAPPINGS): Define.
3696         (VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
3697         * tree-flow.h (struct var_ann_d): Update comments.
3698         (rewrite_to_new_ssa_names_bb, rewrite_to_new_ssa_names,
3699         allocate_ssa_names, find_phi_node_for, dump_tree_ssa,
3700         debug_tree_ssa, debug_def_blocks, dump_tree_ssa_stats,
3701         debug_tree_ssa_stats, rewrite_ssa_into_ssa,
3702         dump_repl_tbl, debug_repl_tbl, dump_names_replaced_by,
3703         debug_names_replaced_by): Remove declarations.
3704         (delete_update_ssa, get_current_def, set_current_def): Declare.
3705         (rewrite_into_loop_closed_ssa): Add new argument.  Update
3706         all callers.
3707         * tree-into-ssa.c: Include params.h.
3708         (old_virtual_ssa_names): Remove.  Update all users.
3709         (need_to_replace_names_p): Remove.  Update all users.
3710         (struct update_ssa_stats_d): Declare.
3711         (update_ssa_stats): New local.
3712         (dump_tree_ssa, debug_tree_ssa, debug_def_blocks,
3713         dump_tree_ssa_stats, debug_tree_ssa_stats,
3714         dump_update_ssa, debug_update_ssa,
3715         dump_names_replaced_by, debug_names_replaced_by): Declare.
3716         (get_current_def, set current_def): Make extern.
3717         (is_old_name, is_new_name): Protect against references
3718         past the end of the sets.
3719         (add_new_name_mapping): Assert that OLD and NEW are
3720         different SSA names for the same symbol.
3721         When adding a virtual mapping, update stats for virtual
3722         mapping heuristic.
3723         (insert_phi_nodes_for): If UPDATE_P is true, create the
3724         LHS of the new PHI by duplicating SSA name VAR.
3725         (insert_phi_nodes_1): Remove.  Update all users.
3726         (insert_phi_nodes): Remove second argument.  Update all
3727         users.
3728         (maybe_replace_use, maybe_replace_def): New.
3729         (rewrite_update_stmt): Call them.
3730         (mark_def_interesting): Remove calls to is_gimple_reg.
3731         (prepare_phi_args_for_update): Remove.  Update all users.
3732         (prepare_block_for_update): Only process virtual operands
3733         and GIMPLE registers in normal form.
3734         (prepare_use_sites_for): New.
3735         (prepare_names_to_update): Rename from prepare_def_sites.
3736         Call prepare_use_sites_for.
3737         (dump_update_ssa): Rename from dump_repl_tbl.
3738         Update all users.
3739         Show statistics for virtual mapping heuristic.
3740         (debug_update_ssa): Rename from debug_debug_repl_tbl.
3741         (init_update_ssa): Initialize UPDATE_SSA_STATS.
3742         (delete_update_ssa): Make extern.
3743         (mark_set_for_renaming): If the set is empty, do nothing.
3744         (release_ssa_name_after_update_ssa): Update comment.
3745         (insert_updated_phi_nodes_for): Do not remove existing
3746         PHI nodes for symbols.
3747         (switch_virtuals_to_full_rewrite_p): New.
3748         (switch_virtuals_to_full_rewrite): New.
3749         (update_ssa): Call them.
3750         Clear REWRITE_THIS_STMT and REGISTER_DEFS_IN_THIS_STMT
3751         for every statement before updating.
3752         If all the names in NEW_SSA_NAMES have been marked for
3753         removal, do nothing.
3754         Only start at the top of the CFG if there are symbols in
3755         SYMS_TO_RENAME.
3756         (ssa_rewrite_finalize_block): Remove.
3757         (ssa_register_new_def): Remove.
3758         (ssa_rewrite_stmt): Remove.
3759         (ssa_rewrite_phi_arguments): Remove.
3760         (ssa_rewrite_initialize_block): Remove.
3761         (ssa_mark_def_sites): Remove.
3762         (ssa_mark_def_sites_initialize_block): Remove.
3763         (ssa_mark_phi_uses): Remove.
3764         (rewrite_ssa_into_ssa): Remove.
3765         * tree-phinodes.c (find_phi_node_for): Remove.
3766         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
3767         Call update_ssa.
3768         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops):
3769         Remove calls to verify_dominators and
3770         verify_loop_structure.
3771         (tree_unswitch_single_loop): Call update_ssa.
3772         * tree-ssa.c (verify_ssa): Assert that need_ssa_update_p
3773         returns false.
3774         Call verify_stmts.
3775         (delete_tree_ssa): Assert that need_ssa_update_p returns
3776         false.
3777         * tree-vect-transform.c (vect_transform_loop): Call update_ssa.
3778         * tree-vectorizer.c (allocate_new_names, rename_def_op,
3779         free_new_names): Remove.  Update all users.
3780         (rename_use_op): Call get_current_def.
3781         (rename_variables_in_bb): Do not handle any real or
3782         virtual definition.
3783         (slpeel_update_phis_for_duplicate_loop): Call
3784         get_current_def and set_current_def instead of using
3785         SSA_NAME_AUX.
3786         (slpeel_update_phi_nodes_for_guard2): Reformat comments.
3787         (slpeel_can_duplicate_loop_p): Call need_ssa_update_p,
3788         ssa_names_to_replace and delete_update_ssa.
3789         * doc/invoke.texi: Document --param min-virtual-mappings
3790         and --param virtual-mappings-ratio.
3791
3792 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
3793
3794         * tree-cfg.c (tree_duplicate_bb): Call create_new_def_for
3795         for newly created PHI nodes.
3796         Call create_new_def_for for every new V_MAY_DEF and
3797         V_MUST_DEF on the copied statement.
3798         (struct ssa_name_map_entry): Remove.
3799         (ssa_name_map_entry_hash): Remove.
3800         (ssa_name_map_entry_eq): Remove.
3801         (allocate_ssa_names): Remove.
3802         (rewrite_to_new_ssa_names_def): Remove.
3803         (rewrite_to_new_ssa_names_use): Remove.
3804         (rewrite_to_new_ssa_names_bb): Remove.
3805         (rewrite_to_new_ssa_names): Remove.
3806         (tree_duplicate_sese_region): Remove variables ver,
3807         definitions, phi, ssa_name_map and bi.
3808         Call need_ssa_update_p instead of any_marked_for_rewrite_p.
3809         Call update_ssa.
3810         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
3811         update_ssa instead of rewrite_ssa_into_ssa.
3812         * tree-ssa-loop-manip.c (add_exit_phis_edge): Call
3813         create_new_def_for.
3814         (find_uses_to_rename_use): Add argument 'need_phis'.
3815         (find_uses_to_rename_stmt): Do not scan virtual operands.
3816         (find_uses_to_rename): Only scan PHI nodes for
3817         non-virtual names.
3818         (rewrite_into_loop_closed_ssa): Call update_ssa.
3819         (check_loop_closed_ssa_use): Ignore virtual operands.
3820         (check_loop_closed_ssa_stmt): Likewise.
3821         (verify_loop_closed_ssa): Do nothing if CURRENT_LOOPS is
3822         NULL.
3823         (rename_variables, set_phi_def_stmts): Remove.
3824         (tree_duplicate_loop_to_header_edge): Reformat comment.
3825         Remove variables BB, I and DEFINITIONS.
3826         Call need_ssa_update_p.
3827         Call update_ssa.
3828         (lv_adjust_loop_header_phi): Reformat comment.
3829         * tree-ssanames.c (ssa_names_to_rewrite): Remove.
3830         (marked_for_rewrite_p, any_marked_for_rewrite_p,
3831         mark_for_rewrite, unmark_all_for_rewrite,
3832         marked_ssa_names): Remove.  Update all users.
3833         (release_ssa_name): If VAR has been registered for SSA
3834         updating, do nothing.
3835         * tree-vrp.c (new_ssa_names, old_ssa_names): Remove.
3836         (build_assert_expr_for): Call register_new_name_mapping.
3837         (insert_range_assertions): Update call to update_ssa.
3838         * tree.h (mark_for_rewrite, unmark_all_for_rewrite,
3839         marked_for_rewrite_p, any_marked_for_rewrite_p,
3840         marked_ssa_names): Remove.
3841
3842 2005-04-22  Jeff Law  <law@redhat.com>
3843
3844         * tree-ssa-dom.c (block_defs_stack): Remove, no longer needed.
3845         (restore_currdefs_to_original_value): Likewise.
3846         (register_definitions_for_stmt): Likewise.
3847         (tree_ssa_dominator_optimize): No longer initialize CURRENT_DEF
3848         for each variable.  Do not allocate/free block_defs_stack either.
3849         Do not iterate if we just thread jumps.  Only iterate if the
3850         tree_cleanup_cfg does useful work (temporary).
3851         (dom_opt_initialize_block): No longer push a marker on
3852         BLOCK_DEFS_STACK.
3853         (dom_opt_finalize_block): Removal call to restore currdefs.
3854         Relax restrictions for recording edge equivalences.
3855         (record_equivalences_from_phis): No longer need to track
3856         CURRENT_DEF.
3857         (optimize_stmt): Similarly.
3858         (thread_across_edge): Simplify by removing the requirement that
3859         statements in the block we are threading through must be nops.
3860         (initialize_hash_element): Handle GOTO_EXPR.
3861
3862 2005-04-22  David S. Miller  <davem@davemloft.net>
3863
3864         * sched-vis.c (print_value): Use CONST_DOUBLE_LOW and
3865         CONST_DOUBLE_HIGH.
3866         * config/sparc/sparc.c (sparc_rtx_costs): Likewise, and
3867         fix check on CONST_DOUBLE mode.  It should be VOIDmode
3868         when it is representing an integer.
3869
3870 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
3871
3872         * builtins.c (gimplify_va_arg_expr): Reword comments to avoid
3873         'abort'. Use gcc_assert and gcc_unreachable as appropriate.
3874         * c-format.c (get_constant, decode_format_attr, get_flag_spec,
3875         find_char_info_specifier_index,
3876         find_length_info_modifier_index): Likewise.
3877         * c-typeck.c (composite_type, pop_init_level): Likewise.
3878         * combine.c (cant_combine_insn_p, try_combine): Likewise.
3879         * cse.c (cse_insn): Likewise
3880         * dominance.c (calc_dfs_tree): Likewise
3881         dwarf2out.c (loc_descriptor_from_tree_1,
3882         add_abstract_origin_attribute, force_decl_die,
3883         force_type_die): Likewise
3884         emit-rtl.c (operand_subword_force): Likewise
3885         explow.c (hard_function_value): Likewise
3886         expmed.c (store_bit_field, expand_divmod,
3887         emit_store_flag_force): Likewise
3888         expr.c (emit_move_multi_word, store_expr,
3889         expand_expr_real_1): Likewise
3890         final.c (this_is_asm_operands, shorten_branches, final_scan_insn,
3891         output_operand): Likewise
3892         flow.c (recompute_reg_usage): Likewise
3893         * function.c (assign_stack_temp_for_type, assign_temp,
3894         handle_epilogue_set): Likewise
3895         * genextract.c (main): Likewise
3896         * gimplify.c (mostly_copy_tree_r, gimplify_return_expr,
3897         gimplify_modify_expr_rhs, gimplify_expr): Likewise
3898         * haifa-sched.c (ready_lastpos, ready_remove_first, ready_element,
3899         ready_remove, rm_line_notes, rm_other_notes,
3900         schedule_block): Likewise
3901         mips-tfile.c (copy_object, out_of_bounds): Likewise
3902
3903 2005-04-22 David Edelsohn  <edelsohn@gnu.org>
3904
3905         PR target/20813
3906         * config/rs6000/default64.h (TARGET_DEFAULT): Add MASK_PPC_GFXOPT.
3907         * config/rs6000/rs6000.c (processor_target_table): Rename rs64a to
3908         rs64.  Add MASK_PPC_GFXOPT to powerpc64 and rs64.
3909         (rs6000_init_libfuncs): Set TFmode optabs to xlq names if
3910         TARGET_XL_COMPAT.
3911         * doc/invoke.texi (PowerPC options): Change rs64a to rs64.
3912
3913 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
3914
3915         * lambda-code.c: Define VEC(int,heap), VEC(lambda_loop,heap).
3916         (gcc_tree_to_linear_expression): Convert to heap allocated
3917         vectors.
3918         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
3919         lbv_to_gcc_expression, lle_to_gcc_expression,
3920         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
3921         perfect_nestify): Likewise.
3922         lambda.h (gcc_loopnest_to_lambda_loopnest,
3923         lambda_loopnest_to_gcc_loopnest): Likewise.
3924         tree-loop-linear.c (linear_transform_loops): Likewise.
3925
3926 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
3927
3928         * config/sparc/predicates.md (arith_double_operand): Use
3929         trunc_int_for_mode if HOST_BITS_PER_WIDE_INT >=64.
3930         * config/sparc/sparc.md (movqi, movhi, movsi, movqi): Use gen_int_mode.
3931         (DImode, DFmode constant splitters): Likewise.  Remove code for
3932         TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT < 64.
3933         (logical constant splitters): Use const_int_operand predicate.
3934         (lshrsi3_extend): Remove code for TARGET_ARCH64 &&
3935         HOST_BITS_PER_WIDE_INT < 64.
3936
3937 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
3938
3939         * config/pa/pa.c (legitimize_pic_address): Use gcc_assert and
3940         gcc_unreachable as appropriate.
3941         (force_mode, emit_move_sequence, singlemove_string,
3942         output_move_double, output_fp_move_double, find_addr_reg,
3943         output_block_move, output_block_clear, output_and,
3944         output_64bit_and, output_ior, output_64bit_ior, store_reg_modify,
3945         pa_adjust_cost, pa_issue_rate, print_operand,
3946         output_global_address, output_arg_descriptor, output_cbranch,
3947         output_lbranch, output_bb, output_bvb, output_dbra, output_movb,
3948         output_call): Likewise.
3949         * config/pa/pa.md (call, call_value, sibcall, sibcall_value,
3950         prefetch, prefetch_cc, prefetch_nocc): Likewise.
3951
3952 2005-04-22  Zdenek Dvorak  <dvorakz@suse.cz>
3953
3954         * Makefile.in (LIBGCOV): Add _gcov_interval_profiler,
3955         _gcov_pow2_profiler and _gcov_one_value_profiler.
3956         (tree-profile.o): Add GGC_H and gt-tree-profile.h dependency.
3957         (GTFILES): Add $(srcdir)/tree-profile.c.
3958         * gcov-io.h (__gcov_interval_profiler, __gcov_pow2_profiler,
3959         __gcov_one_value_profiler): Declare.
3960         * gimplify.c (force_gimple_operand): Check whether the statements
3961         should be produced in ssa form.
3962         (force_gimple_operand_bsi): New function.
3963         * libgcov.c (__gcov_interval_profiler, __gcov_pow2_profiler,
3964         __gcov_one_value_profiler): New functions.
3965         * rtl-profile.c (rtl_gen_pow2_profiler): Only measure whether
3966         the profiled value is a power of two or not.
3967         * tree-cfg.c (tree_block_ends_with_condjump_p): Handle empty blocks.
3968         * tree-flow.h (in_ssa_p): Declare.
3969         (force_gimple_operand_bsi): Declare.
3970         * tree-into-ssa.c (in_ssa_p): New variable.
3971         (rewrite_into_ssa): Set in_ssa_p.
3972         * tree-outof-ssa.c (rewrite_out_of_ssa): Set in_ssa_p.
3973         * tree-profile.c: Include ggc.h and gt-tree-profile.h.
3974         (gcov_type_node, tree_interval_profiler_fn, tree_pow2_profiler_fn,
3975         tree_one_value_profiler_fn): New variables.
3976         (tree_init_edge_profiler): Initialize the profiler function decls.
3977         (tree_gen_edge_profiler): Use global gcov_type_node.
3978         (prepare_instrumented_value): New function.
3979         (tree_gen_interval_profiler, tree_gen_interval_profiler,
3980         tree_gen_one_value_profiler): Call the library functions instead of
3981         creating instrumentation code.
3982         * tree.c (build_fn_decl): New function.
3983         * tree.h (build_fn_decl): Declare.
3984         * value-prof.c (rtl_divmod_values_to_profile,
3985         rtl_find_values_to_profile, rtl_mod_pow2_value_transform,
3986         tree_mod_pow2_value_transform, tree_find_values_to_profile):
3987         Do not handle may_be_other and precise values of exponents at pow2
3988         profiler.
3989         (tree_mod_subtract_transform): Reflect that value field of
3990         histogram has changed meaning.
3991         (tree_divmod_values_to_profile): Record the values correctly.
3992         (tree_values_to_profile): Update comment.
3993         * value-prof.h (struct histogram_value_t): Remove pow2 data.
3994
3995 2005-04-22  Joseph S. Myers  <joseph@codesourcery.com>
3996
3997         * varasm.c (do_assemble_alias): Return early if TREE_ASM_WRITTEN
3998         (decl).
3999
4000 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
4001
4002         * config/i386/i386.md (length_immediate): Use gcc_assert or
4003         gcc_unreachable, as appropriate.
4004         (*movsi_1, *movqi_1, reload_outqi, *movdi_1_rex64, *pushsf,
4005         *pushsf_rex64, *truncxfsf2_mixed, *truncxfsf2_i387,
4006         *truncxfdf2_mixed, *truncxfdf2_i387, *adddi_1_rex64,
4007         *adddi_2_rex64, *adddi_3_rex64, *adddi_4_rex64, *adddi_5_rex64,
4008         *addsi_1, addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
4009         *addsi_3_zext, *addsi_4, *addsi_5, *addhi_1_lea, *addhi_1,
4010         *addhi_2, *addhi_3, *addhi_4, *addhi_5, *addqi_1_lea, *addqi_1,
4011         *addqi_1_slp, *addqi_2, *addqi_3, *addqi_4, *addqi_5, addqi_ext_1,
4012         *addqi_ext_1_rex64, *anddi_1_rex64, *andsi_1, *andhi_1,
4013         *ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashlsi3_1, *ashlsi3_1_zext,
4014         *ashlsi3_cmp, *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1,
4015         *ashlhi3_cmp, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
4016         pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64,
4017         pro_epilogue_adjust_stack_rex64_2, prefetch, *prefetch_sse,
4018         *prefetch_sse_rex): Likewise.
4019         * config/i386/predicates.md (x86_64_immediate_operand,
4020         x86_64_zext_immediate_operand, symbolic_operand,
4021         no_seg_address_operand, aligned_operand,
4022         memory_displacement_operand): Likewise.
4023         * config/i386/sse.md (*mov<mode>_internal,
4024         *movv2df_internal): Likewise.
4025
4026 2005-04-22  Jan Hubicka  <jh@suse.cz>
4027
4028         * Makefile.in (ipa.o, ipa-inline.o): New files.
4029         * cgraph.h (cgraph_remove_unreachable_nodes, cgraph_postorder,
4030         cgraph_decide_inlining_incrementally, cgraph_clone_inlined_nodes,
4031         cgraph_mark_inline_edge, cgraph_default_inline_p): Declare.
4032         * cgraphunit.c (cgraph_default_inline_p,
4033         cgraph_decide_inlining_incrementally,  ncalls_inlined,
4034         nfunctions_inlined, initial_insns, overall_insns,
4035         cgraph_estimate_size_after_inlining, cgraph_estimate_growth,
4036         cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
4037         cgraph_mark_inline, cgraph_check_inline_limits,
4038         cgraph_default_inline_p, cgraph_recursive_inlining_p,
4039         update_callee_keys, lookup_recursive_calls,
4040         cgraph_decide_recursive_inlining, cgraph_set_inline_failed,
4041         cgraph_decide_inlining_of_small_functions, cgraph_decide_inlining,
4042         cgraph_decide_inlining_incrementally, cgraph_gate_inlining,
4043         pass_ipa_inline): Move to ipa-inline.c
4044         (cgraph_postorder, cgraph_remove_unreachable_nodes): Move to ipa.c
4045         * ipa.c: New file.
4046         * ipa-inline.c: New file.
4047
4048 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
4049
4050         * doc/invoke.texi (SPARC options): Document that -mapp-regs
4051         is turned off by default on Solaris.
4052
4053 2005-04-21  Roger Sayle  <roger@eyesopen.com>
4054
4055         * c-common.h (objc_build_method_signature): Update prototype.
4056         * stub-objc.c (objc_build_method_signature): Update the stub
4057         implementation to accept and ignore additional parameter.
4058         * c-parser.c (c_parser_objc_method_decl): Reorgnize to pass
4059         the value of ellipsis to objc_build_method_signature instead
4060         of setting TREE_OVERFLOW on the parms TREE_LIST node.
4061
4062 2005-04-21  Geoffrey Keating  <geoffk@apple.com>
4063
4064         * config/rs6000/rs6000-protos.h (rs6000_emit_sync): New.
4065         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Use
4066         gen_rtx_* not gen_rtx_fmt_*.
4067         (rs6000_emit_vector_select): Likewise.
4068         (rs6000_emit_sync): New.
4069         * config/rs6000/rs6000.md (GPR, INT, INT1): New mode macros.
4070         (larx, stcx, cmp): New mode substitutions.
4071         (UNSPEC_SYNC, UNSPEC_SYNC_OP, UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC,
4072         UNSPEC_ISYNC): New constants.
4073         (rlwinm): Give name.
4074         (memory_barrier, isync, lwsync): New insns.
4075         (sync_compare_and_swap<mode>, sync_lock_test_and_set<mode>): New insn.
4076         (sync_lock_release<mode>): New expander.
4077         (sync_add<mode>, sync_sub<mode>, sync_ior<mode>, sync_and<mode>,
4078         sync_xor<mode>, sync_nand<mode>, sync_old_add<mode>,
4079         sync_old_sub<mode>, sync_old_ior<mode>, sync_old_and<mode>,
4080         sync_old_xor<mode>, sync_old_nand<mode>, sync_new_add<mode>,
4081         sync_new_sub<mode>, sync_new_ior<mode>, sync_new_and<mode>,
4082         sync_new_xor<mode>, sync_new_nand<mode>): New expanders.
4083         (sync_add<mode>_internal, sync_addshort_internal,
4084         sync_sub<mode>_internal, sync_andsi_internal, sync_anddi_internal,
4085         sync_boolsi_internal, sync_booldi_internal, sync_boolc<mode>_internal,
4086         sync_boolc<mode>_internal2, sync_boolcc<mode>_internal): New insns.
4087
4088         * doc/md.texi (Standard Names): sync_compare_and_swap's operand 0
4089         is the memory before, not after, the operation.  Clarify
4090         barrier requirements.
4091
4092 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
4093
4094         * cfghooks.h (struct cfg_hooks): Reword comments to avoid 'abort'.
4095         * lambda.h (lambda_vector_min_nz): Likewise.
4096         * langhooks.h (struct lang_hooks_for_types,
4097         struct lang_hooks): Likewise.
4098         * output.h (assemble_integer, this_is_asm_operands): Likewise.
4099         * tree.h: Likewise.
4100         * vec.h: Likewise.
4101         * tree-flow-inline.h (relink_imm_use): Use gcc_assert.
4102
4103         * optabs.c (prepare_cmp_insn, emit_cmp_and_jump_insns): Reword
4104         comments to avoid 'abort'.  Use gcc_assert as necessary.
4105         * opts.c (common_handle_option): Likewise.
4106         * pretty-print.c (pp_base_format_text): Likewise.
4107         * print-rtl.c (print_rtx): Likewise.
4108         * read-rtl.c (read_rtx_filename, read_rtx_1): Likewise.
4109         * regmove.c (try_auto_increment): Likewise.
4110         * reload.c (find_valid_class, find_reloads_toplev,
4111         find_equiv_reg): Likewise.
4112         * reload1.c (reload, forget_old_reloads_1, function_invariant_p,
4113         merge_assigned_reloads): Likewise.
4114         * tree-inline.c (inline_forbidden_p_1,
4115         estimate_num_insns_1): Likewise.
4116         * tree-optimize.c (execute_todo): Likewise.
4117         * tree-outof-ssa.c (eliminate_phi): Likewise.
4118         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
4119         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Likewise.
4120         * tree-ssa-operands.c (parse_ssa_operands,
4121         get_indirect_ref_operands, create_ssa_artficial_load_stmt): Likewise.
4122         * tree-ssa-pre.c (find_or_generate_expression): Likewise.
4123         * tree-ssanames.c (release_ssa_name): Likewise.
4124         * tree.c (int_bit_position, int_byte_position, tree_low_cst,
4125         walk_tree): Likewise.
4126
4127         * tree-ssa-operands.c (verify_abort): Fold into ..
4128         (verify_imm_links): ... here.
4129
4130 2005-04-21  Richard Henderson  <rth@redhat.com>
4131
4132         * config/alpha/sync.md (sync_new_nand<I48MODE>): Fix constraints
4133         on non-memory operand for previous inversion.
4134
4135 2005-04-21  Devang Patel  <dpatel@apple.com>
4136
4137         PR optimization/20994
4138         * tree-if-conv.c (find_phi_replacement_condition): Avoid generating
4139         x = !(a == b) : p , q;.
4140         (pass_if_conversion): Verify stmts and flow.
4141
4142 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
4143
4144         * optabs.c (gen_conditional_trap): Restore #define.
4145
4146         * alias.c (true_dependence): Remove 'abort' from comments. Use
4147         gcc_assert and gcc_unreachable as appropriate.
4148         (canon_true_dependence): Likewise.
4149         * bb-reorder.c (connect_traces): Likewise.
4150         * c-common.c (c_add_case_label): Likewise.
4151         * c-decl.c (finish_function): Likewise.
4152         * caller-save.c (insert_restore, insert_save): Likewise.
4153         * cfg.c (update_bb_profile_for_threading): Likewise.
4154         * cfganal.c (flow_active_insn_p): Likewise.
4155         * cfgexpand.c (add_reg_br_prob_note): Likewise.
4156         * cfgrtl.c (rtl_redirect_edge_and_branch_force, rtl_split_edge,
4157         cfg_layout_merge_blocks): Likewise.
4158         * ifcvt.c (cond_exec_process_insns, merge_if_block,
4159         find_if_block): Likewise.
4160         * integrate.c (allocate_initial_values): Likewise.
4161         * jump.c (reverse_condition, reverse_condition_maybe_unordered,
4162         swap_condition, unsigned_condition, signed_condition,
4163         mark_jump_label, invert_jump_1, rtx_renumbered_equal_p,
4164         reg_or_subregno): Likewise.
4165         * lambda-code.c (lambda_compute_auxillary_space,
4166         lambda_transform_legal_p): Likewise.
4167         * lambda-mat.c (lambda_matrix_inverse_hard): Likewise.
4168         * langhooks.c (lhd_set_decl_assembler_name, lhd_type_promotes_to,
4169         lhd_incomplete_type_error, lhd_expand_expr,
4170         lhd_types_compatible_p, lhd_tree_size): Likewise.
4171         * lcm.c (create_pre_exit, optimize_mode_switching): Likewise.
4172         * local-alloc.c (update_equiv_regs): Likewise.
4173         * loop-unroll.c (peel_loop_completely
4174         unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
4175         peel_loop_simple, unroll_loop_stupid,
4176         analyze_iv_to_split_insn): Likewise.
4177         * loop.c (gen_prefetch, find_and_verify_loops,
4178         basic_induction_var): Likewise.
4179         * modulo-sched.c (normalize_sched_times, check_nodes_order): Likewise.
4180         * value-prof.c (tree_find_values_to_profile): Likewise.
4181         * varasm.c (named_section, default_assemble_integer,
4182         decode_addr_const): Likewise.
4183
4184 2005-04-21 Alan Modra  <amodra@bigpond.net.au>
4185            Fariborz Jahanian <fjahanian@apple.com>
4186
4187         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Fix size of
4188         portion of argument passed in fpr.
4189         * expr.c (emit_push_insn): Fix computation of 'offset' used to
4190         decide on partial argument save on stack.
4191
4192 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
4193
4194         * config/sparc/predicates.md, config/sparc/sparc.md: Fix
4195         comment typos.
4196
4197 2005-04-21  Jan Hubicka  <jh@suse.cz>
4198
4199         * cgraphunit.c: Include tree-pass.h
4200         (cgraph_decide_recursive_inlining,
4201         cgraph_decide_inlining_of_small_function, cgraph_set_inline_failed,
4202         cgraph_decide_inlining): Dump goes to dump_file.
4203         (cgraph_optimize): Call ipa passes instead of inliner.
4204         (cgraph_gate_inlining, pass_ipa_inline): New.
4205         * tree-optimize.c (all_ipa_passes): New static variable.
4206         (register_one_dump_file): Dead with IPA passes.
4207         (register_dump_files): Likewise.
4208         (init_tree_optimization_passes): Initialize IPA passes.
4209         (execute_todo): Do cgraph dump when asked to, do not dump function body
4210         for IPA pass.
4211         * tree-pass.h (TODO_dump_cgraph): New macro.
4212         (ipa_passes): Declare.
4213         * Makefile.in (cgraphunit.o): Add dependency on cgraphunit.h
4214
4215 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
4216
4217         * config/i386/i386.c (type_natural_mode): Use gcc_unreachable and
4218         gcc_assert instead of abort.
4219         (classify_argument, examine_argument, construct_container,
4220         contains_128bit_aligned_vector_p, ix86_check_movabs,
4221         standard_80387_constant_opcode, standard_80387_constant_rtx,
4222         ix86_initial_elimination_offset, ix86_compute_frame_layout,
4223         pro_epilogue_adjust_stack, ix86_expand_epilogue,
4224         ix86_address_cost, legitimate_address_p, legitimize_pic_address,
4225         legitimize_tls_address, output_pic_addr_const,
4226         i386_output_dwarf_dtprel, put_condition_code, print_reg,
4227         get_some_local_dynamic_name, print_operand, print_operand_address,
4228         output_387_binary_op, emit_i387_cw_initialization,
4229         output_fix_trunc, output_fp_compare, ix86_output_addr_vec_elt,
4230         ix86_expand_clear, ix86_expand_binary_operator,
4231         ix86_expand_unary_operator, ix86_match_ccmode, ix86_cc_mode,
4232         ix86_cc_modes_compatible, ix86_fp_comparison_codes,
4233         ix86_fp_comparison_arithmetics_cost, ix86_expand_fp_compare,
4234         ix86_expand_branch, ix86_expand_setcc,
4235         ix86_expand_carry_flag_compare, ix86_expand_fp_movcc,
4236         ix86_expand_int_addcc, ix86_split_to_parts, ix86_split_long_move,
4237         ix86_expand_movmem, ix86_expand_call, assign_386_stack_local,
4238         memory_address_length, ix86_attr_length_immediate_default,
4239         ix86_attr_length_address_default, ix86_agi_dependant,
4240         x86_initialize_trampoline, ix86_init_mmx_sse_builtins,
4241         ix86_expand_binop_builtin, ix86_force_to_memory,
4242         ix86_secondary_memory_needed, ix86_avoid_jump_misspredicts,
4243         x86_emit_floatuns): Likewise.
4244         * config/i386/netware.c (gen_regparm_prefix,
4245         i386_nlm_strip_name_encoding): Likewise.
4246         * config/i386/winnt.c (i386_pe_mark_dllexport): Likewise.
4247
4248 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
4249
4250         * optabs.c (gen_condiational_trap): Remove #define.
4251         (add_equal_note): Assertify. Remove explicit indirection from
4252         call via function pointer.
4253         (expand_ternary_op, expand_simple_binop, expand_binop,
4254         expand_twoval_unop, expand_twoval_binop,
4255         expand_twoval_binop_libfunc, expand_simple_unop expand_unop,
4256         emit_unop_insn,  emit_no_conflict_block,  prepare_cmp_insn,
4257         prepare_operand emit_cmp_and_jump_insn_1, emit_cmp_and_jump_insns,
4258         prepare_float_lib_cmp, emit_conditional_move,
4259         emit_conditional_add, gen_add2_insn, gen_add3_insn,
4260         have_add2_insn, gen_sub2_insn, gen_sub3_insn, have_sub2_insn,
4261         expand_float, expand_fix, debug_optab_libfuncs, gen_cond_trap,
4262         vector_compare_rtx, expand_vec_cond_expr): Likewise.
4263
4264 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
4265
4266         * vec.h: Update API to separate allocation mechanism from type.
4267         (VEC_safe_grow): New.
4268         * vec.c (calculate_allocation): New.
4269         (vec_gc_o_reserve, vec_heap_o_reserve): Adjust.
4270         (vec_gc_free, vec_heap_free): Remove.
4271         * gengtype-lex.l (DEF_VEC_): Process mult-argument macros.  Adjust.
4272         (VEC): Likewise.
4273         (mangle_macro_name): New.
4274         (struct macro_def): New.
4275         (struct macro): Add multiple argument values.
4276         (macro_expans_end): New.
4277         (push_macro_expansion):  Chain on new macro. Process multiple
4278         args, create follow on expansion. Return follow on argument.
4279         (macro_input): Deal with multiple arguments.
4280
4281         * tree.h: Define VEC(tree,heap) and VEC(tree,gc).
4282         (struct tree_binfo): Adjust.
4283         * basic-block.h: Define VEC(edge,gc).
4284         (struct edge_def): Adjust.
4285         (struct basic_block_def, struct edge_iterator): Likewise.
4286         (ei_container, ei_start_1, ei_last_1): Likewise.
4287         * cfg.c (connect_src, connect_dest): Likewise.
4288         * cfgrtl.c (force_nonfallthru_and_redirect)
4289         * dbxout.c (dbxout_type)
4290         * dwarf2out.c (gen_member_die)
4291         * lambda-code.c: Define VEC(int,gc), VEC(lambda_loop,gc).
4292         (gcc_tree_to_linear_expression): Adjust.
4293         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
4294         lbv_to_gcc_expression, lle_to_gcc_expression,
4295         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
4296         perfect_nestify): Likewise.
4297         * lambda.h (gcc_loopnest_to_lambda_loopnest,
4298         lambda_loopnest_to_gcc_loopnest): Adjust prototypes.
4299         * profile.c (instrument_values): Adjust.
4300         * tree-cfg.c (modified_noreturn_calls): Adjust.
4301         (remove_fallthru_edge): Likewise.
4302         * tree-dump.c (dequeue_and_dump): Adjust.
4303         * tree-flow-inline.h (mark_stmt_modified): Adjust.
4304         * tree-flow.h (modified_noreturn_calls): Adjust.
4305         (tree_on_heap): Remove. (yay!)
4306         (register_new_def): Adjust.
4307         * tree-into-ssa.c: Define VEC(int,heap).
4308         (block_defs_stack): Adjust.
4309         (find_idf, insert_phi_nodes, register_new_def,
4310         rewrite_initialize_block, rewrite_finalize_block,
4311         register_new_update_single, rewrite_update_init_block,
4312         rewrite_update_fini_block, rewrite_blocks,
4313         ssa_rewrite_finalize_block, ssa_register_new_def,
4314         ssa_rewrite_initialize_block, rewrite_ssa_into_ssa): Likewise.
4315         * tree-loop-linear.c (linear_transform_loops): Adjust.
4316         * tree-ssa-alias.c: Define VEC(fieldoff_t,heap).
4317         (push_fields_onto_fieldstack, create_overlap_variables_for): Adjust.
4318         * tree-ssa-dom.c (avail_exprs_stack, block_defs_stack,
4319         stmts_to_rescan, const_and_copies_stack, nonzero_vars_stack,
4320         vrp_variables_stack): Adjust declarations.
4321         (tree_ssa_dominator_optimize): Adjust.
4322         (dom_opt_initialize_block, remove_local_expressions_from_table,
4323         restore_nonzero_vars_to_original_value,
4324         restore_vars_to_original_value,
4325         restore_currdefs_to_original_value, dom_opt_finalize_block,
4326         record_var_is_nonzero, record_cond, record_const_or_copy_1,
4327         optimize_stmt, update_rhs_and_lookup_avail_expr,
4328         lookup_avail_expr, record_range): Likewise.
4329         * tree-ssa-pre.c: Define VEC(basic_block,heap).
4330         (compute_antic_aux): Adjust.
4331         (inserted_exprs, create_expression_by_pieces,
4332         insert_into_preds_of_block, eliminate, mark_operand_necessary,
4333         remove_dead_inserted_code, fini_pre): Likewise.
4334         * tree-ssa-propagate.c (interesting_ssa_edges): Adjust.
4335         (varying_ssa_edges, add_ssa_edge, process_ssa_edge_worklist.
4336         ssa_prop_init): Likewise.
4337         * tree-ssa.c: Define VEC(bitmap,heap).
4338         (verify_name_tags): Adjust.
4339         * value-prof.c (rtl_divmod_values_to_profile): Adjust.
4340         (insn_prefetch_values_to_profile, rtl_find_values_to_profile,
4341         tree_divmod_values_to_profile, tree_find_values_to_profile,
4342         value_profile_transformations): Likewise.
4343         * value-prof.h: Define VEC(histogram_value,heap).
4344         * varasm.c: Remove alias_pair pointer typedef, define
4345         VEC(alias_pair,gc).
4346         (finish_aliases_1, finish_aliases_2, assemble_alias): Adjust.
4347
4348         * config/pa/pa.c (typedef extern_symbol): Typedef the structure,
4349         not a pointer to it.  Create an object vector.
4350         (extern_symbols): Turn into an object vector.
4351         (pa_hpux_asm_output_external, pa_hpux_file_end): Adjust.
4352
4353 2005-04-21  Sebastian Pop  <pop@cri.ensmp.fr>
4354
4355         PR/20742
4356         * Makefile.in (tree-chrec.o): Depend on params.h.
4357         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): New parameter with
4358         default value 20.
4359         * tree-chrec.c: Depend on params.h.  Replace build with buildN,
4360         and fold build with fold_buildN.
4361         (chrec_fold_plus_1): Fail with a chrec_don_know when the size of
4362         the expression exceeds PARAM_SCEV_MAX_EXPR_SIZE.
4363         (tree_contains_chrecs): Compute an estimation of the size of the
4364         given expression.
4365         * tree-chrec.h (tree_contains_chrecs): Modify its declaration.
4366         (tree_does_not_contain_chrecs): Update the use of tree_contains_chrecs.
4367         * tree-scalar-evolution.c (simple_iv): Ditto.
4368         * doc/invoke.texi (scev-max-expr-size): Documented.
4369
4370 2005-04-21  Richard Sandiford  <rsandifo@redhat.com>
4371
4372         * config.gcc (*-*-darwin*): Add darwin.opt to $extra_options.
4373         (i[34567]86-pc-msdosdjgpp*): Likewise i386/djgpp.opt.
4374         (i[34567]86-*-lynxos*, powerpc-*-lynxos*): Likewise lynx.opt.
4375         (i[34567]86-*-sco3.2v5*): Likewise i386/sco5.opt.
4376         (i[34567]86-*-pe, i[34567]86-*-cygwin*, i[34567]86-*-mingw32*)
4377         (i[34567]86-*-uwin*): Likewise i386/cygming.opt.
4378         * config/darwin.h (darwin_one_byte_bool, darwin_fix_and_continue)
4379         (darwin_fix_and_continue_switch, SUBTARGET_OPTIONS): Delete.
4380         * config/darwin.c (darwin_one_byte_bool, darwin_fix_and_continue)
4381         (darwin_fix_and_continue_switch): Delete.
4382         * config/lynx.h (SUBTARGET_OS_LYNX_SWITCHES): Delete.
4383         (SUBTARGET_SWITCHES): Delete.
4384         * config/i386/i386.h (target_flags, MASK_80387, MASK_RTD)
4385         (MASK_ALIGN_DOUBLE, MASK_SVR3_SHLIB, MASK_IEEE_FP, MASK_FLOAT_RETURNS)
4386         (MASK_NO_FANCY_MATH_387, MASK_OMIT_LEAF_FRAME_POINTER)
4387         (MASK_STACK_PROBE, MASK_NO_ALIGN_STROPS, MASK_INLINE_ALL_STROPS)
4388         (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS, MASK_MMX)
4389         (MASK_SSE, MASK_SSE2, MASK_SSE3, MASK_3DNOW, MASK_3DNOW_A)
4390         (MASK_128BIT_LONG_DOUBLE, MASK_64BIT, MASK_MS_BITFIELD_LAYOUT)
4391         (MASK_TLS_DIRECT_SEG_REFS, MASK_NO_RED_ZONE, TARGET_80387)
4392         (TARGET_RTD, TARGET_ALIGN_DOUBLE, TARGET_PUSH_ARGS)
4393         (TARGET_ACCUMULATE_OUTGOING_ARGS, TARGET_SVR3_SHLIB, TARGET_IEEE_FP)
4394         (TARGET_128BIT_LONG_DOUBLE, TARGET_NO_FANCY_MATH_387)
4395         (TARGET_USE_FANCY_MATH_387, TARGET_OMIT_LEAF_FRAME_POINTER)
4396         (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Delete.
4397         (TARGET_FLOAT_RETURNS_IN_80387): Make an alias of TARGET_FLOAT_RETURNS.
4398         (TARGET_64BIT): Undef before redefining.
4399         (TARGET_TLS_DIRECT_SEG_REFS, TARGET_STACK_PROBE)
4400         (TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS, TARGET_SSE)
4401         (TARGET_SSE2, TARGET_SSE3, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A)
4402         (TARGET_RED_ZONE, TARGET_USE_MS_BITFIELD_LAYOUT, TARGET_SWITCHES)
4403         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS)
4404         (ix86_fpmath_string, ix86_tls_dialect_string, ix86_cmodel_string)
4405         (ix86_asm_string, ix86_regparm, ix86_regparm_string)
4406         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
4407         (ix86_debug_arg_string, ix86_debug_addr_string)
4408         (ix86_align_loops_string, ix86_align_jumps_string)
4409         (ix86_align_funcs_string): Delete.
4410         * config/i386/cygming.h (MASK_NOP_FUN_DLLIMPORT)
4411         (TARGET_NOP_FUN_DLLIMPORT, SUBTARGET_SWITCHES): Delete.
4412         * config/i386/djgpp.h (MASK_BNU210, SUBTARGET_SWITCHES): Delete.
4413         (SUBTARGET_OVERRIDE_OPTIONS): Check TARGET_BNU210.
4414         * config/i386/lynx.h (SUBTARGET_SWITCHES): Delete.
4415         * config/i386/sco5.h (MASK_COFF, TARGET_ELF)
4416         (SUBTARGET_SWITCHES): Delete.
4417         * config/i386/i386.c (ix86_debug_arg_string): Delete.
4418         (ix86_debug_addr_string): Delete.
4419         (ix86_cmodel_string, ix86_asm_string, ix86_tls_dialect_string)
4420         (ix86_fpmath_string, ix86_regparm_string, ix86_regparm)
4421         (ix86_align_loops_string, ix86_align_jumps_string)
4422         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
4423         (ix86_align_funcs_string): Make static.
4424         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
4425         (ix86_handle_option): New function.
4426         (TARGET_USE_MS_BITFIELD_LAYOUT): Delete.
4427         (ix86_ms_bitfield_layout_p): Check TARGET_MS_BITFIELD_LAYOUT.
4428         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove handling
4429         of darwin_fix_and_continue_switch.
4430         (darwin_one_byte_bool): Delete.
4431         * config/rs6000/lynx.h (EXTRA_SUBTARGET_SWITCHES): Delete.
4432         * config/rs6000/rs6000.c (rs6000_override_options): Update assignment
4433         to darwin_one_byte_bool.
4434         * config/darwin.opt, config/lynx.opt, config/i386/cygming.opt,
4435         * config/i386/djgpp.opt, config/i386/i386.opt,
4436         * config/i386/sco5.opt: New files.
4437
4438 2005-04-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4439
4440         * config/sparc/sparc.c (reg_or_0_operand, const1_operand,
4441         fp_zero_operand, fp_register_operand, intreg_operand,
4442         fcc_reg_operand, fcc0_reg_operand, icc_or_fcc_reg_operand,
4443         call_operand, call_operand_address, tgd_symbolic_operand,
4444         tld_symbolic_operand, tie_symbolic_operand, tle_symbolic_operand,
4445         symbolic_operand, symbolic_memory_operand, label_ref_operand,
4446         sp64_medium_pic_operand, data_segment_operand,
4447         text_segment_operand, splittable_symbolic_memory_operand,
4448         reg_or_nonsymb_mem_operand, splittable_immediate_memory_operand,
4449         eq_or_neq, normal_comp_operator, noov_compare_op,
4450         noov_compare64_op, v9_regcmp_op, extend_op, cc_arithop,
4451         cc_arithopn, arith_operand, arith_4096_operand, arith_add_operand,
4452         const64_operand, const64_high_operand, arith11_operand,
4453         arith10_operand, arith_double_operand, arith_double_4096_operand,
4454         arith_double_add_operand, arith11_double_operand,
4455         arith10_double_operand, small_int, small_int_or_double,
4456         uns_small_int, uns_arith_operand, clobbered_register,
4457         input_operand, compare_operand): Delete.
4458         (sparc_emit_set_const32): Use predicates in assertion.  Remove special
4459         code for TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT != 64.
4460         (sparc_emit_set_const64): Call gcc_unreachable if H_B_P_W_I == 32.
4461         (GEN_HIGHINT64, GEN_INT64): Delete.
4462         (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
4463         gen_safe_XOR64): Adjust for above deletion.
4464         (sparc_emit_set_const64): Support only H_B_P_W_I == 64 and CONST_INTs.
4465         Use 'unsigned HOST_WIDE_INT' instead of 'long' for bitmask.
4466         (legitimate_constant_p): Use const_zero_operand instead.
4467         (sparc_extra_constraint_check): Likewise.
4468         * config/sparc/sparc.h (CONST_DOUBLE_OK_FOR_LETTER_P): Remove 'O'.
4469         (PREFERRED_RELOAD_CLASS): Use const_zero_operand.
4470         (PREDICATE_CODES): Delete.
4471         * config/sparc/sparc.md: Include predicates.md.
4472         (All patterns): Adjust for new predicate names.
4473         (cmpdi, cmpdi_sp64): Use arith_operand predicate.
4474         (movhi_const64_special, movsi_const64_special): Add 'K' constraint.
4475         (movdi): Use general_operand predicate.
4476         (movdi_sp64_dbl): Delete.
4477         (movdi_const64_special): Add 'N' constraint.
4478         (movdicc): Use arith10_operand predicate.
4479         (movdi_cc_sp64, movdi_cc_sp64_trunc): Use arith11_operand predicate.
4480         (movdi_cc_reg_sp64): Use arith10_operand predicate.
4481         (movdi_cc_reg_sp64_trunc): Delete.
4482         (cmp_zero_extract, cmp_zero_extract_sp64): Use small_int_operand.
4483         (adddi3_sp64, cmp_ccx_plus, cmp_ccx_plus_set): Use arith_operand.
4484         (subdi3_sp32): Delete.
4485         (subdi3_insn_sp32): Change to define_insn_and_split.
4486         (subdi3_sp64, cmp_minus_ccx, cmp_minus_ccx_set): Use arith_operand.
4487         (muldi3, muldi3_sp64, muldi3_v8plus): Likewise.
4488         (smulsi3_highpart_v8plus, const_smulsi3_highpart_v8plus,
4489         umulsi3_highpart_v8plus, const_umulsi3_highpart_v8plus): Use
4490         small_int_operand predicate.
4491         (divdi3, udivdi3): Use arith_operand predicate.
4492         (udivsi3, udivsi3_sp32, udivsi3_sp64): Use nonimmediate_operand.
4493         (and<V64I>3_sp64, ior<V64I>3_sp64, xor<V64I:mode>3_sp64,
4494         xor_not_<V64I:mode>_sp64) : Use arith_operand predicate.
4495         (xordi3_sp64_dbl): Delete.
4496         (cmp_ccx_arith_op, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
4497         cmp_ccx_xor_not_set, cmp_ccx_arith_op_not, cmp_ccx_arith_op_not_set,
4498         cmp_ccx_neg, cmp_ccx_set_neg, one_cmpl<V64I>2_sp64, cmp_ccx_not,
4499         cmp_ccx_set_not): Use arith_operand predicate.
4500         (ashrsi3_extend2, lshrsi3_extend2 et al.): Use small_int_operand.
4501         * config/sparc/predicates.md: New file.
4502
4503 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
4504
4505         PR tree-optimization/14846
4506         * fold-const.c (fold_single_bit_test_into_sign_test): New,
4507         split out from ...
4508         (fold_single_bit_test): ... here.
4509         (fold_binary): Call fold_single_bit_test_into_sign_test
4510         instead of fold_single_bit_test.
4511
4512 2005-04-20  James E Wilson  <wilson@specifixinc.com>
4513
4514         PR c++/20805
4515         * dwarf2out.c (gen_variable_die): Don't emit a specification if this
4516         is another declaration.
4517
4518 2005-04-21  Hans-Peter Nilsson  <hp@axis.com>
4519
4520         * config/cris/predicates.md: New file.
4521         * config/cris/cris-protos.h (cris_store_multiple_op_p)
4522         (cris_movem_load_rest_p): Declare.
4523         * config/cris/cris.c (cris_store_multiple_op): Return bool, not int.
4524         (cris_movem_load_rest_p): Ditto.  Globalize.
4525         (cris_bdap_operand, cris_bdap_biap_operand,
4526         cris_orthogonal_operator, cris_commutative_orth_op,
4527         cris_operand_extend_operator,
4528         cris_additive_operand_extend_operator, cris_extend_operator,
4529         cris_plus_or_bound_operator, cris_mem_op,
4530         cris_general_operand_or_symbol,
4531         cris_general_operand_or_gotless_symbol,
4532         cris_general_operand_or_plt_symbol, cris_mem_call_operand,
4533         cris_load_multiple_op): Remove predicate functions.
4534         (cris_symbol, cris_gotless_symbol) <case UNSPEC>: Return 0, don't
4535         abort, for UNSPECs other than CRIS_UNSPEC_PLT.
4536         * config/cris/cris.h (PREDICATE_CODES): Don't define.
4537         * config/cris/cris.md: Include predicates.md.
4538         ("call", "call_value"): Generate CONSTs of Pmode, not VOIDmode.
4539
4540 2005-04-20  Ian Lance Taylor  <ian@airs.com>
4541
4542         * c-common.def: Remove STMT_EXPR (moved to cp/cp-tree.def).
4543         * c-common.h (STMT_EXPR_STMT): Don't define.
4544         (STMT_EXPR_NO_SCOPE): Don't define.
4545         * c-dump.c (c_dump_tree): Don't handle STMT_EXPR.
4546         * c-pretty-print.c (pp_c_primary_expression): Likewise.
4547         (pp_c_expression): Likewise.
4548
4549 2005-04-20  Richard Henderson  <rth@redhat.com>
4550
4551         PR target/21100
4552         * config/i386/mmx.md (push<MMXMODE>1): Fix predicate thinko.
4553
4554 2005-04-20  Jeff Law  <law@redhat.com>
4555
4556         * reload1.c (reload): Ignore equivalences between pseudos and
4557         read only memory.
4558
4559 2005-04-20  Joseph S. Myers  <joseph@codesourcery.com>
4560
4561         PR c/12913
4562         * c-tree.h (struct c_label_list): Update comment.
4563         (struct c_label_context): Rename to struct c_label_context_se.
4564         (label_context_stack): Rename to label_context_stack_se.
4565         (C_DECL_UNJUMPABLE_VM, C_DECL_UNDEFINABLE_VM, struct
4566         c_label_context_vm, label_context_stack_vm, c_begin_vm_scope,
4567         c_end_vm_scope): New.
4568         (C_DECL_DECLARED_BUILTIN, C_DECL_USED): Use FUNCTION_DECL_CHECK.
4569         * c-decl.c (pop_scope): Call c_end_vm_scope.
4570         (pushdecl): Call c_begin_vm_scope for variably modified
4571         declarations.
4572         (define_label): Check for jumping into scope of identifier with
4573         variably modified type.  Push label on stack for those defined at
4574         current context of identifiers with variably modified type.
4575         (start_function): Create stack level for context of identifiers
4576         with variably modified type.
4577         (finish_function): Pop stack level for context of identifiers with
4578         variably modified type.
4579         * c-typeck.c (label_context_stack): Rename to
4580         label_context_stack_se.
4581         (label_context_stack_vm, c_begin_vm_scope, c_end_vm_scope): New.
4582         (c_finish_goto_label): Check for jumping into scope of identifier
4583         with variably modified type.  Push label on stack for those jumped
4584         to from current context of identifiers with variably modified
4585         type.
4586         (struct c_switch): Add blocked_vm.
4587         (c_start_case): Initialize blocked_vm.
4588         (do_case): Check blocked_vm.
4589         (c_finish_case): Add comment.
4590         (c_begin_stmt_expr, c_finish_stmt_expr): Update for renamed
4591         variable label_context_stack.
4592
4593 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
4594
4595         * tree-ssa-phiopt.c (tree_ssa_phi_opt): Update calls to
4596         conditional_replacement, value_replacement, abs_replacement,
4597         minmax_replacement.
4598         (replace_phi_edge_with_variable): Remove argument BB.
4599         (conditional_replacement, value_replacement,
4600         minmax_replacement, abs_replacement): Remove argument PHI_BB.
4601         Update a call to replace_phi_edge_with_variable.
4602
4603         * tree-ssa-phiopt.c: Fix comments.
4604
4605 2005-04-20  Michael Matz  <matz@suse.de>
4606
4607         PR20973
4608         * reload.c (push_reload, find_dummy_reload): Check for uninitialized
4609         pseudos.
4610
4611 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
4612
4613         * tree-ssa-phiopt.c: Fix comment typos.
4614
4615         PR tree-optimization/21116
4616         * tree-ssa-phiopt.c: Fix a typo.
4617
4618 2005-04-19  Richard Henderson  <rth@redhat.com>
4619
4620         * builtins.c (expand_builtin_sync_operation): Revert last change.
4621         * optabs.c (expand_bool_compare_and_swap): Compare vs old value,
4622         not vs new value.
4623         (expand_compare_and_swap_loop): Likewise.
4624         (expand_sync_operation): Remove fallback from NAND to AND; invert
4625         memory operand when expanding from cmpxchg.
4626         (expand_sync_fetch_operation): Likewise.
4627         * doc/extend.texi (Atomic Builtins): Fix docs for nand and
4628         compare-and-swap.
4629
4630         * config/alpha/alpha.c (alpha_split_atomic_op): Invert memory operand
4631         when implementing NAND.  Fix double-add for AFTER.
4632         * config/alpha/sync.md (sync_nand<I48MODE>): Invert memory operand.
4633         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
4634         (sync_compare_and_swap<I48MODE>): Fix compare vs zero.  Return old
4635         memory value.
4636         (sync_lock_test_and_set<I48MODE>): Remove extra label and last
4637         memory barrier.
4638
4639         * config/i386/sync.md (sync_compare_and_swap<IMODE>): Fix pattern
4640         to return old memory value.
4641         (sync_compare_and_swap_cc<IMODE>): Likewise.
4642
4643         * config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Early
4644         return pre-reload.  Don't consider output or anti dependencies.
4645         * config/ia64/sync.md (IMODE): New.
4646         (modesuffix): Add QI and HI.
4647         (memory_barrier): Simplify expansion.
4648         (sync_compare_and_swap<IMODE>): Use IMODE, not I48MODE.
4649         (cmpxchg_acq_<IMODE>): Likewise.
4650         (sync_lock_test_and_set<IMODE>): Likewise.
4651         (sync_lock_release<IMODE>): Likewise.
4652
4653 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
4654
4655         * fold-const.c (fold_binary): Fold ~(X ^ Y) to ~X ^ Y or X ^ ~Y if
4656         ~X or ~Y simplify.
4657
4658 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
4659
4660         * fold-const (fold_binary):  Fold ~X ^ ~ Y to X ^ Y.
4661
4662 2005-04-20  Michael Pogue  <michael.pogue@sun.com>
4663             Joseph S. Myers  <joseph@codesourcery.com>
4664
4665         * c.opt (Wint-to-pointer-cast, Wpointer-to-int-cast): New options.
4666         * c-typeck.c (build_c_cast): Check these options.
4667         * doc/invoke.texi: Document these options.
4668
4669 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
4670
4671         * tree-ssa-phiopt.c: Update a comment about the pass.
4672
4673 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
4674
4675         * tree-ssa-phiopt.c, config/arm/arm.c, config/fr30/fr30.md,
4676         config/mcore/mcore.c: Fix comment typos.
4677
4678 2005-04-19  Daniel Jacobowitz  <dan@codesourcery.com>
4679
4680         * Makefile.in (libgcc.mk): Pass GCC_FOR_TARGET.
4681         * mklibgcc.in: Use $GCC_FOR_TARGET instead of ./xgcc.
4682
4683 2005-04-19  Paul Brook  <paul@codesourcery.com>
4684
4685         * config/arm/arm.c (arm_init_libfuncs): Clear mod optabs.
4686
4687 2005-04-19  Andrew Haley  <aph@redhat.com>
4688
4689         PR java/21022
4690         * dbxout.c (dbxout_type_fields): Check DECL_IGNORED_P before
4691         looking at a field's bitpos.
4692
4693 2005-04-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4694
4695         * system.h (fopen, fdopen, freopen): Define these to the unlocked
4696         libiberty functions.
4697
4698 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
4699
4700         PR tree-optimization/21096
4701         * tree-ssa-copy.c (fini_copy_prop): Free cached_last_copy_of.
4702
4703 2005-04-19  Alan Modra  <amodra@bigpond.net.au>
4704
4705         PR target/21098
4706         * config/rs6000/rs6000.c (rs6000_elf_end_indicate_exec_stack): New.
4707         * config/rs6000/linux64.h (TARGET_ASM_FILE_END): Use the above.
4708
4709 2005-04-19  Alexandre Oliva  <aoliva@redhat.com>
4710
4711         * tree-cfg.c (dump_function_to_file): Use cfun info only if it
4712         refers to the function being dumped.
4713
4714 2005-04-18  Daniel Jacobowitz  <dan@codesourcery.com>
4715
4716         * varasm.c (assemble_start_function): Remove reset of in_section.
4717
4718 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
4719
4720         PR tree-optimization/21085
4721         * fold-const (fold_binary): Don't change X % -C to X % C if C has
4722         overflowed.
4723
4724 2005-04-19  Ben Elliston  <bje@au.ibm.com>
4725
4726         * doc/invoke.texi (Optimize Options): Refer to the correct
4727         optimisation flag -ftree-dominator-opts, not -ftree-dom.
4728
4729 2005-04-18  Christopher Jaillet <christophe.jaillet@wanadoo.fr>
4730
4731         * config/rs6000/rs6000.c (machopic_output_stub):  Increase
4732         alloca argument to be big enough.
4733
4734 2005-04-18  Alexandre Oliva  <aoliva@redhat.com>
4735
4736         PR middle-end/21049
4737         * tree-cfg.c (dump_function_to_file): Do not crash if cfun or
4738         cfun->cfg are NULL.
4739
4740 2005-04-18  Tom Tromey  <tromey@redhat.com>
4741
4742         * cgraphunit.c (cgraph_finalize_compilation_unit): Fix a comment
4743         typo.
4744
4745 2005-04-18  Richard Henderson  <rth@redhat.com>
4746
4747         * config/alpha/alpha.c (alpha_split_atomic_op): New.
4748         (alphaev5_insn_pipe): Add LD_L, ST_C, MB types.
4749         (alphaev4_insn_pipe): Likewise.  Correct IST and LDSYM pipes.
4750         * config/alpha/alpha-protos.h: Update.
4751         * config/alpha/alpha.md (UNSPECV_MB, UNSPECV_LL, UNSPECV_SC): New.
4752         (UNSPECV_ATOMIC, UNSPECV_CMPXCHG, UNSPECV_XCHG): New.
4753         (attr type): Add ld_l, st_c, mb.
4754         (andsi_internal, andnotsi3, iorsi_internal, one_cmplsi_internal,
4755         iornotsi3, xorsi_internal, xornotsi3): New.
4756         * config/alpha/ev4.md (ev4_ld): Add ld_l.
4757         (ev4_ist_c, ev4_mb): New.
4758         * config/alpha/ev5.md (ev5_st): Add st_c, mb.
4759         (ev5_ld_l): New.
4760         * config/alpha/ev6.md (ev6_ild): Add ld_l.
4761         (ev6_ist): Add st_c.
4762         (ev6_mb): New.
4763         * config/alpha/sync.md: New file.
4764
4765 2005-04-18  Richard Henderson  <rth@redhat.com>
4766
4767         * builtins.c (expand_builtin_sync_operation): Fold nand to and
4768         for constants.
4769
4770         * optabs.c (expand_sync_operation): Fix typo expanding nand to and.
4771
4772 2005-04-18  Devang Patel  <dpatel@apple.com>
4773
4774         * config/rs6000/atlivec.md (mulv4si3): New pattern.
4775
4776 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
4777
4778         PR tree-optimization/20922
4779         * fold-const.c (fold_binary): Fold X - c > X and X + c < X to false.
4780         Fold X + c >= X and fold X - c <= X to true.
4781
4782 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
4783
4784         * config/ia64/unwind-ia64.c (emergency_reg_state_free): Make an
4785         unsigned int.
4786         (emergency_labeled_state_free): Likewise.
4787
4788 2005-04-18  Nick Clifton  <nickc@redhat.com>
4789
4790         * config/h8300/h8300.md (jump): Remove prescan parameter from
4791         calls to final_scan_insn.
4792
4793         * config/arc/arc.c (arc_output_function_epilogue): Remove prescan
4794         parameter from calls to final_scan_insn.
4795
4796         * config.gcc (m68hc12): Use the m68hc11.opt file for target
4797         specific options.
4798         (v850e, v850e1): Use the v850.opt file for target specific
4799         options.
4800
4801 2005-04-18  Kazu Hirata  <kazu@cs.umass.edu>
4802
4803         PR tree-optimization/21001
4804         * tree-optimize.c (init_tree_optimization_passes): Move the
4805         first pass_forwprop immediately before pass_vrp.
4806
4807 2005-04-17  Ian Lance Taylor  <ian@airs.com>
4808
4809         * c-common.def (SIZEOF_EXPR, ARROW_EXPR, ALIGNOF_EXPR): Remove.
4810         * c-common.c (c_sizeof_or_alignof_type): Change second parameter
4811         from enum tree_code op to bool is_sizeof.
4812         * c-common.h (c_sizeof_or_alignof_type): Update declaration.
4813         (c_sizeof, c_alignof): Update calls to c_sizeof_or_alignof_type.
4814         * c-pretty-print.c (pp_c_postfix_expression): Remove ARROW_EXPR
4815         case.
4816         (pp_c_unary_expression): Remove SIZEOF_EXPR and ALIGNOF_EXPR
4817         cases.
4818         (pp_c_expression): Remove ARROW_EXPR, SIZEOF_EXPR, and
4819         ALIGNOF_EXPR cases.
4820
4821 2005-04-17  Ian Lance Taylor  <ian@airs.com>
4822
4823         * system.h: Poison DONT_ACCESS_GBLS_AFTER_EPILOGUE.
4824
4825 2005-04-17  Richard Henderson  <rth@redhat.com>
4826
4827         * config/alpha/alpha.c (va_list_skip_additions): Only define if
4828         TARGET_ABI_OSF.
4829         (TARGET_STDARG_OPTIMIZE_HOOK): Likewise.
4830         (alpha_stdarg_optimize_hook): Likewise.  Allow for one more round
4831         of indirection through ssa names while looking for the gpr counter
4832         field.
4833         (alpha_setup_incoming_varargs) <TARGET_ABI_OSF>: Make use of the
4834         saved va_list_gpr_size and va_list_fpr_size.
4835
4836 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
4837
4838         * tree-vrp.c (compare_values): Check that VAL1 and VAL2 are
4839         both pointers or both integers.
4840
4841         * tree-vrp.c (maybe_add_assert_expr): Don't assert
4842         ASSERT_EXPRs for single-use variable.
4843
4844         * tree-into-ssa.c: Fix a comment typo.
4845
4846 2005-04-17  Richard Sandiford  <rsandifo@redhat.com>
4847
4848         * config/mips/iris6.h (DRIVER_SELF_SPECS): Check -march as well as
4849         -mipsN before forcing a default of -mips2.
4850
4851 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
4852
4853         * predict.h (IS_TAKEN): Remove.
4854         * rtl.h (NOTE_PREDICTION): Likewise.
4855
4856         * modulo-sched.c (CFG_HOOKS): Remove.
4857
4858         * c-parser.c (N_C_TTYPES): Remove.
4859
4860         * tree-flow-inline.h (get_stmt_operands): Remove.
4861         * lambda-code.c, tree-ssa-loop-unswitch.c,
4862         tree-ssa-operands.c, tree-ssa-pre.c, tree-ssa-propagate.c,
4863         tree-ssa-sink.c, tree-ssa.c, tree-tailcall.c,
4864         tree-vect-transform.c, tree-vectorizer.c, tree-vrp.c): Remove
4865         calls to get_stmt_operands.
4866         * doc/tree-ssa.texi: Don't mention get_stmt_operands.
4867
4868 2005-04-17  Richard Henderson  <rth@redhat.com>
4869
4870         PR target/20375
4871         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Advance a copy
4872         of CUMULATIVE_ARGS past the last named argument.
4873         (alpha_va_start): Expect pretend_args_size only if strictly less than
4874         6 named arguments.
4875
4876 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
4877
4878         PR middle-end/21024
4879         * builtins.c (expand_builtin_strcat): Convert the result of
4880         strlen to the right type.
4881         * fold-const.c (fold_binary) <PLUS_EXPR>: Use fold_convert to
4882         avoid creating type mismatches.
4883         <GE_EXPR>: Pass op0 and op1 to fold_build2 to avoid creating
4884         type mismatches.
4885
4886         * c-lex.c (WCHAR_TYPE_SIZE, WCHAR_BYTES): Remove.
4887
4888 2005-04-16  Richard Henderson  <rth@redhat.com>
4889
4890         PR target/21051
4891         * builtins.c (expand_builtin) <BUILT_IN_BOOL_COMPARE_AND_SWAP_*>:
4892         Use the mode of boolean_type_node when the user doesn't provide one.
4893         * config/ia64/sync.md (sync_lock_release<I48MODE>): Use operand 1.
4894
4895 2005-04-16  Alexandre Oliva  <aoliva@redhat.com>
4896
4897         PR target/20126
4898         * loop.c (loop_givs_rescan): Handle non-replaceable (plus (reg)
4899         (const)).
4900
4901         * tree-scalar-evolution.c (interpret_rhs_modify_expr): Fix typo in
4902         comment.
4903
4904 2005-04-16  Roger Sayle  <roger@eyesopen.com>
4905             Steven Bosscher  <stevenb@suse.de>
4906
4907         * fold-const.c (fold_binary_to_constant): Delete obsolete comment.
4908         (fold_unary_to_constant): Likewise.
4909
4910 2005-04-16  Kazu Hirata  <kazu@cs.umass.edu>
4911
4912         * basic-block.h: Adjust the value of PROP_SCAN_DEAD_STORES,
4913         PROP_ASM_SCAN.
4914
4915 2005-04-16  Gerald Pfeifer  <gerald@pfeifer.com>
4916
4917         * doc/install.texi (Specific): Avoid using asterisks in @anchor
4918         names related to target triplets.
4919         Remove i?86-*-esix from platform directory.
4920         Remove powerpc-*-eabiaix from platform directory.
4921
4922 2005-04-16  Joseph S. Myers  <joseph@codesourcery.com>
4923
4924         PR middle-end/20491
4925         * config/ia64/ia64.c (rtx_needs_barrier): Recurse instead of
4926         falling through from SUBREG case to REG.
4927
4928 2005-04-15  Roger Sayle  <roger@eyesopen.com>
4929
4930         * fold-const.c (fold_relational_hi_lo): Delete function and prototype.
4931         (fold_binary): Update comment mentioning fold_relational_hi_lo.
4932         (fold_binary_to_constant): Simplify using fold_binary.
4933         (fold_unary_to_constant): Likewise, simplify using fold_unary.
4934
4935 2005-04-15  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
4936
4937         * gthr-posix.c (pthread_cancel): Define.
4938         (pthread_mutexattr_init): Likewise.
4939         (pthread_mutexattr_settype): Likewise.
4940         (pthread_mutexattr_destroy): Likewise.
4941
4942 2005-04-15  David S. Miller  <davem@davemloft.net>
4943
4944         PR target/20673
4945         * config/sparc/sparc.h (sparc_hard_reg_printed): Mark as GTY(()).
4946
4947 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
4948
4949         PR tree-optimization/21031
4950         * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): New.
4951         (forward_propagate_into_cond_1): Call it.  Forward propagate
4952         integer-integer casts into COND_EXPRs.
4953
4954 2005-04-15  Dave Korn  <dave.korn@artimi.com>
4955
4956         * gcc.c (default_compilers): Clarify obscure error message when
4957         reading from standard input.
4958
4959 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
4960
4961         * basic-block.h (PROP_EQUAL_NOTES): Remove.
4962         * flow.c (propagate_one_insn): Don't use PROP_EQUAL_NOTES.
4963
4964         * tree-ssa-alias.c (init_alias_info): Remove a call to
4965         get_stmt_operands.
4966
4967 2005-04-15  Andrew MacLeod  <amacleod@redhat.com>
4968
4969         * tree-vect-analyze.c (vect_stmt_relevant_p): Process immediate uses
4970         of non-virtual PHI nodes like we use to.
4971
4972 2005-05-15  Paolo Bonzini  <bonzini@gnu.org>
4973
4974         * genattrtab.c (ATTR_EQ_ATTR_P): Remove.
4975         (attr_copy_rtx): Do not use it.
4976
4977 2005-04-15  Andrew Macleod  <amacleod@redhat.com>
4978
4979         * doc/tree-ssa.texi: Grammer/abbreviation updates.
4980
4981 2005-04-15  Diego Novillo  <dnovillo@redhat.com>
4982
4983         * tree-vect-transform.c (vectorizable_store): Mark necessary
4984         objects in the vectorized store needing renaming.  Update the
4985         SSA graph for V_MAY_DEF operands in the original store.
4986
4987 2005-04-14  Daniel Berlin <dberlin@dberlin.org>
4988
4989         * tree-ssa-pre.c (compute_avail): It's okay to have
4990         TREE_INVARIANT's here, and value number the resulting expressions.
4991         (create_expression_by_pieces): Make sure operands that were
4992         min_invariant when we started, stay that way.
4993
4994 2005-04-15  David Edelsohn  <edelsohn@gnu.org>
4995
4996         * doc/install.texi (*-ibm-aix*): Add comment about system limits.
4997
4998 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
4999
5000         PR tree-optimization/20936.
5001         * tree-ssa-ccp.c (visit_assignment): Fix a typo.
5002
5003 2005-04-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5004
5005         * doc/invoke.texi: Fix typos.
5006         * doc/md.texi: Likewise.
5007         * doc/rtl.texi: Likewise.
5008         * doc/sourcebuild.texi: Likewise.
5009         * doc/tm.texi: Likewise.
5010
5011 2005-04-15  Uros Bizjak  <uros@kss-loka.si>
5012
5013         PR tree-optimization/21004
5014         * convert.c (convert_to_integer): Convert ceilf, ceill, floorf
5015         and floorl in c99 mode only.
5016         * builtins.c (expand_builtin_int_roundingfn): Assert that
5017         fallback_fndecl is not NULL_TREE.
5018
5019 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
5020
5021         * cfgrtl.c (purge_all_dead_edge): Remove an unused argument.
5022         * basic-block.h: Update the prototype for
5023         purge_all_dead_edges.
5024         * cfgexpand.c (tree_expand_cfg): Update a call to
5025         purge_all_dead_edges.
5026         * combine.c (combine_instructions): Likewise.
5027         * passes.c (rest_of_handle_old_regalloc, rest_of_handle_cse,
5028         rest_of_handle_cse2, rest_of_handle_gcse,
5029         rest_of_handle_postreload): likewise.
5030
5031 2005-04-15  Alexandre Oliva  <aoliva@redhat.com>
5032
5033         PR middle-end/20739
5034         * gimplify.c (gimplify_addr_expr): Compensate for removal of
5035         e.g. cv-qualification conversions.
5036
5037 2005-04-14  Mike Stump  <mrs@apple.com>
5038
5039         * config/darwin-c.c (framework_construct_pathname): We must
5040         find all headers of a framework in the first instance of it
5041         found in the seach path.
5042
5043 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
5044
5045         PR tree-optimization/21021
5046         * tree-vrp.c (compare_values): Work around a bug in the front
5047         end that produces a comparison of mismatched types.
5048
5049 2004-04-14  Richard Henderson  <rth@redhat.com>
5050
5051         * config/ia64/ia64.h (enum fetchop_code): Remove.
5052         (enum ia64_builtins): Move ...
5053         * config/ia64/ia64.c (enum ia64_builtins): ... here.  Remove all
5054         members except BSP and FLUSHRS.
5055         (ia64_init_builtins): Remove __sync builtins.
5056         (ia64_expand_builtin): Likewise.
5057         (ia64_expand_fetch_and_op, ia64_expand_op_and_fetch): Remove.
5058         (ia64_expand_compare_and_swap, ia64_expand_lock_test_and_set): Remove.
5059         (ia64_expand_lock_release): Remove.
5060         * config/ia64/ia64.md (mf): Move to sync.md.
5061         (mf_internal, fetchadd_acq_si, fetchadd_acq_di, cmpxchg_acq_si,
5062         cmpxchg_acq_di, xchgsi, xchgdi): Likewise.
5063         * config/ia64/sync.md: New file.
5064         (memory_barrier): Rename from mf.
5065         (fetchadd_acq_<I48MODE>): Macroize from _si/_di patterns.
5066         (cmpxchg_acq_<I48MODE>): Likewise.
5067         (sync_lock_test_and_set<I48MODE>): Likewise.
5068
5069         * config/ia64/ia64intrin.h: Define nothing for C; limit #defines
5070         to c++.  Remove __sync* declarations.  s/_si/_4/.  s/_di/_8/.
5071
5072 2004-04-14  Richard Henderson  <rth@redhat.com>
5073
5074         * config/i386/i386.c (x86_cmpxchg, x86_xadd): New.
5075         (ix86_compare_emitted): New.
5076         (ix86_expand_compare): Use ix86_compare_emitted if set.
5077         (ix86_expand_setcc): Only emit REG_EQUAL if both ix86_compare_op0
5078         and ix86_compare_op0 are set.
5079         * config/i386/i386.h (x86_cmpxchg, x86_xadd): Declare.
5080         (TARGET_CMPXCHG, TARGET_XADD): New.
5081         (ix86_compare_emitted): Declare.
5082         * config/i386/i386.md: Include sync.md
5083         (UNSPECV_CMPXCHG_1, UNSPECV_CMPXCHG_2): New.
5084         (UNSPECV_XCHG, UNSPECV_LOCK): New.
5085         * config/i386/sync.md: New file.
5086
5087 2004-04-14  Richard Henderson  <rth@redhat.com>
5088
5089         PR middle-end/14311
5090         * builtin-types.def (BT_BOOL, BT_VOLATILE_PTR, BT_I1, BT_I2,
5091         BT_I4, BT_I8, BT_FN_VOID_VPTR, BT_FN_I1_VPTR_I1, BT_FN_I2_VPTR_I2,
5092         BT_FN_I4_VPTR_I4, BT_FN_I8_VPTR_I8, BT_FN_BOOL_VPTR_I1_I1,
5093         BT_FN_BOOL_VPTR_I2_I2, BT_FN_BOOL_VPTR_I4_I4, BT_FN_BOOL_VPTR_I8_I8,
5094         BT_FN_I1_VPTR_I1_I1, BT_FN_I2_VPTR_I2_I2, BT_FN_I4_VPTR_I4_I4,
5095         BT_FN_I8_VPTR_I8_I8): New.
5096         * builtins.def (DEF_SYNC_BUILTIN): New.
5097         (BUILT_IN_FETCH_AND_ADD_N, BUILT_IN_FETCH_AND_ADD_1,
5098         BUILT_IN_FETCH_AND_ADD_2, BUILT_IN_FETCH_AND_ADD_4,
5099         BUILT_IN_FETCH_AND_ADD_8, BUILT_IN_FETCH_AND_SUB_N,
5100         BUILT_IN_FETCH_AND_SUB_1, BUILT_IN_FETCH_AND_SUB_2,
5101         BUILT_IN_FETCH_AND_SUB_4, BUILT_IN_FETCH_AND_SUB_8,
5102         BUILT_IN_FETCH_AND_OR_N, BUILT_IN_FETCH_AND_OR_1,
5103         BUILT_IN_FETCH_AND_OR_2, BUILT_IN_FETCH_AND_OR_4,
5104         BUILT_IN_FETCH_AND_OR_8, BUILT_IN_FETCH_AND_AND_N,
5105         BUILT_IN_FETCH_AND_AND_1, BUILT_IN_FETCH_AND_AND_2,
5106         BUILT_IN_FETCH_AND_AND_4, BUILT_IN_FETCH_AND_AND_8,
5107         BUILT_IN_FETCH_AND_XOR_N, BUILT_IN_FETCH_AND_XOR_1,
5108         BUILT_IN_FETCH_AND_XOR_2, BUILT_IN_FETCH_AND_XOR_4,
5109         BUILT_IN_FETCH_AND_XOR_8, BUILT_IN_FETCH_AND_NAND_N,
5110         BUILT_IN_FETCH_AND_NAND_1, BUILT_IN_FETCH_AND_NAND_2,
5111         BUILT_IN_FETCH_AND_NAND_4, BUILT_IN_FETCH_AND_NAND_8,
5112         BUILT_IN_ADD_AND_FETCH_N, BUILT_IN_ADD_AND_FETCH_1,
5113         BUILT_IN_ADD_AND_FETCH_2, BUILT_IN_ADD_AND_FETCH_4,
5114         BUILT_IN_ADD_AND_FETCH_8, BUILT_IN_SUB_AND_FETCH_N,
5115         BUILT_IN_SUB_AND_FETCH_1, BUILT_IN_SUB_AND_FETCH_2,
5116         BUILT_IN_SUB_AND_FETCH_4, BUILT_IN_SUB_AND_FETCH_8,
5117         BUILT_IN_OR_AND_FETCH_N, BUILT_IN_OR_AND_FETCH_1,
5118         BUILT_IN_OR_AND_FETCH_2, BUILT_IN_OR_AND_FETCH_4,
5119         BUILT_IN_OR_AND_FETCH_8, BUILT_IN_AND_AND_FETCH_N,
5120         BUILT_IN_AND_AND_FETCH_1, BUILT_IN_AND_AND_FETCH_2,
5121         BUILT_IN_AND_AND_FETCH_4, BUILT_IN_AND_AND_FETCH_8,
5122         BUILT_IN_XOR_AND_FETCH_N, BUILT_IN_XOR_AND_FETCH_1,
5123         BUILT_IN_XOR_AND_FETCH_2, BUILT_IN_XOR_AND_FETCH_4,
5124         BUILT_IN_XOR_AND_FETCH_8, BUILT_IN_NAND_AND_FETCH_N,
5125         BUILT_IN_NAND_AND_FETCH_1, BUILT_IN_NAND_AND_FETCH_2,
5126         BUILT_IN_NAND_AND_FETCH_4, BUILT_IN_NAND_AND_FETCH_8,
5127         BUILT_IN_BOOL_COMPARE_AND_SWAP_N, BUILT_IN_BOOL_COMPARE_AND_SWAP_1,
5128         BUILT_IN_BOOL_COMPARE_AND_SWAP_2, BUILT_IN_BOOL_COMPARE_AND_SWAP_4,
5129         BUILT_IN_BOOL_COMPARE_AND_SWAP_8, BUILT_IN_VAL_COMPARE_AND_SWAP_N,
5130         BUILT_IN_VAL_COMPARE_AND_SWAP_1, BUILT_IN_VAL_COMPARE_AND_SWAP_2,
5131         BUILT_IN_VAL_COMPARE_AND_SWAP_4, BUILT_IN_VAL_COMPARE_AND_SWAP_8,
5132         BUILT_IN_LOCK_TEST_AND_SET_N, BUILT_IN_LOCK_TEST_AND_SET_1,
5133         BUILT_IN_LOCK_TEST_AND_SET_2, BUILT_IN_LOCK_TEST_AND_SET_4,
5134         BUILT_IN_LOCK_TEST_AND_SET_8, BUILT_IN_LOCK_RELEASE_N,
5135         BUILT_IN_LOCK_RELEASE_1, BUILT_IN_LOCK_RELEASE_2,
5136         BUILT_IN_LOCK_RELEASE_4, BUILT_IN_LOCK_RELEASE_8,
5137         BUILT_IN_SYNCHRONIZE: New.
5138         * builtins.c (called_as_built_in): Rewrite from CALLED_AS_BUILT_IN
5139         as a function.  Accept __sync_ as a prefix as well.
5140         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
5141         expand_builtin_lock_test_and_set, expand_builtin_synchronize,
5142         expand_builtin_lock_release): New.
5143         (expand_builtin): Call them.
5144         * c-common.c (DEF_BUILTIN): Don't require __builtin_ prefix if
5145         neither BOTH_P nor FALLBACK_P are defined.
5146         (builtin_type_for_size): New.
5147         (sync_resolve_size, sync_resolve_params, sync_resolve_return): New.
5148         (resolve_overloaded_builtin): New.
5149         * c-common.h (resolve_overloaded_builtin): Declare.
5150         (builtin_type_for_size): Declare.
5151         * c-typeck.c (build_function_call): Invoke resolve_overloaded_builtin.
5152         * expr.c (sync_add_optab, sync_sub_optab, sync_ior_optab,
5153         sync_and_optab, sync_xor_optab, sync_nand_optab, sync_old_add_optab,
5154         sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab,
5155         sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab,
5156         sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab,
5157         sync_new_xor_optab, sync_new_nand_optab, sync_compare_and_swap,
5158         sync_compare_and_swap_cc, sync_lock_test_and_set,
5159         sync_lock_release): New.
5160         * optabs.h: Declare them.
5161         * expr.h (expand_val_compare_and_swap, expand_bool_compare_and_swap,
5162         expand_sync_operation, expand_sync_fetch_operation,
5163         expand_sync_lock_test_and_set): Declare.
5164         * genopinit.c (optabs): Add sync optabs.
5165         * optabs.c (init_optabs): Initialize sync optabs.
5166         (expand_val_compare_and_swap_1, expand_val_compare_and_swap,
5167         expand_bool_compare_and_swap, expand_compare_and_swap_loop,
5168         expand_sync_operation, expand_sync_fetch_operation,
5169         expand_sync_lock_test_and_set): New.
5170         * doc/extend.texi (Atomic Builtins): New section
5171         * doc/md.texi (Standard Names): Add sync patterns.
5172
5173 2005-04-14  Alexandre Oliva  <aoliva@redhat.com>
5174
5175         * tree-eh.c (lower_try_finally_copy): Generate new code in
5176         response to goto_queue entries as if the queue was sorted by
5177         index, not pointers.
5178         (lower_try_finally_switch): Likewise.
5179
5180 2005-04-14  Richard Henderson  <rth@redhat.com>
5181
5182         * config/i386/i386.c (ix86_expand_sse_cmp): Split out from ...
5183         (ix86_expand_sse_movcc): ... here.  Take cmp as a pre-computed
5184         register.
5185         (ix86_expand_fp_movcc): Update to match.
5186         (ix86_expand_fp_vcond, ix86_expand_int_vcond): New.
5187         * config/i386/i386-protos.h: Update.
5188         * config/i386/sse.md (vcondv4sf, vcondv2df): New.
5189         (vcond<SSEMODE124>, vcondu<SSEMODE12>): New.
5190
5191 2005-04-14  Joseph S. Myers  <joseph@codesourcery.com>
5192
5193         * doc/cpp.texi, doc/install.texi: Change references to GCC 3.5 to
5194         refer to 4.0.
5195
5196 2005-04-14  Julian Brown  <julian@codesourcery.com>
5197
5198         * Revert elfos.h part of my patch from 2005-04-13 for causing libstdc++
5199         link failures on ppc64 Linux.
5200
5201 2005-04-14  Andreas Krebbel  <krebbel1@de.ibm.com>
5202
5203         * config.gcc: Set cpu_type for s390.
5204
5205 2005-04-14  Daniel Berlin  <dberlin@dberlin.org>
5206
5207         Fix PR tree-optimization/20963
5208         * tree-ssa-pre.c (compute_avail): Remove special case for
5209         TREE_INVARIANT.
5210         (create_expression_by_pieces): Add value numbers for forced out
5211         statements.
5212
5213 2005-04-14  Hans-Peter Nilsson  <hp@axis.com>
5214
5215         * config/cris/cris.md: Replace references to (reg:SI 16) with
5216         (reg:SI CRIS_SRP_REGNUM).
5217
5218 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
5219
5220         PR tree-optimization/20657
5221         * tree-vrp.c (extract_range_from_expr): Notice INTEGER_CST to
5222         create an appropriate range from it.
5223
5224 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
5225
5226         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST_FLOOR> and
5227         <UNSPEC_FIST_CEIL> case.
5228
5229         * config/i386/i386.md (UNSPEC_FIST_FLOOR, UNSPEC_FIST_CEIL): New.
5230         (*fist<mode>2_floor_1, fistdi2_floor, fistdi2_floor_with_temp)
5231         (fist<mode>2_floor, fist<mode>2_floor_with_temp): New isns patterns
5232         to implement lfloor and llfloor built-ins as x87 intrinsic function.
5233         (fistdi2_floor, fist<mode>2_floor splitters): New splitters.
5234         (lfloor<mode>2): New expanders.
5235         (*fist<mode>2_ceil_1, fistdi2_ceil, fistdi2_ceil_with_temp)
5236         (fist<mode>2_ceil, fist<mode>2_ceil_with_temp): New isns patterns
5237         to implement lceil and llceil built-ins as x87 intrinsic function.
5238         (fistdi2_ceil, fist<mode>2_ceil splitters): New splitters.
5239         (lceil<mode>2): New expanders.
5240
5241 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
5242
5243         * convert.c (convert_to_integer): Convert (long int)trunc{,f,l},
5244         and (long long int)ceil{,f,l} into FIX_TRUNC_EXPR.
5245
5246 2005-04-14  Ulrich Weigand  <uweigand@de.ibm.com>
5247
5248         PR target/20927
5249         * config/s390/s390-modes.def: Define TFmode.
5250
5251 2005-04-13  Richard Sandiford  <rsandifo@redhat.com>
5252
5253         * config/mips/mips.h (ASM_OUTPUT_CASE_LABEL): Delete.
5254         (JUMP_TABLES_IN_TEXT_SECTION): Define.
5255         * config/mips/mips.c (mips16_insn_length): Remove reference to
5256         JUMP_TABLES_IN_TEXT_SECTION.
5257
5258 2005-04-13 Fariborz Jahanian <fjahanian@apple.com>
5259
5260         * simplify-rtx.c (simplify_binary_operation_1): Return
5261         scalar or vector of constant 0, depending on the xor's
5262         mode.
5263
5264 2005-04-13  Dale Johannesen  <dalej@apple.com>
5265
5266         * objc/Make-lang.in (objc-lang.o):  Depend on tree-gimple.h.
5267         (objc-act.o):  Ditto.
5268         * objc/objc-act.c (objc_gimplify_expr):  New.
5269         (objc_get_callee_fndecl):  New.
5270         * objc/objc-act.h:  Include tree-gimple.h.  Declare new functions.
5271         * objc/objc-lang.c (LANG_HOOKS_GIMPLIFY_EXPR):  Define.
5272         (LANG_HOOKS_GET_CALLEE_FNDECL):  Define.
5273
5274 2005-04-13  Devang Patel  <dpatel@apple.com>
5275
5276         * tree-if-conv.c (tree_if_convert_cond_expr): Do not create extra
5277         temp variables.
5278
5279 2005-04-13  Hans-Peter Nilsson  <hp@axis.com>
5280
5281         CRIS prologue as RTL.
5282         * config/cris/cris-protos.h (cris_emit_movem_store)
5283         (cris_expand_prologue): Prototype.
5284         * config/cris/cris.c (struct machine_function): New member
5285         stdarg_regs.
5286         (cfa_label_num, cris_target_asm_function_prologue): Remove.
5287         (TARGET_ASM_FUNCTION_PROLOGUE): Don't override.
5288         (cris_general_operand_or_gotless_symbol): Accept CRIS_UNSPEC_GOT.
5289         (cris_load_multiple_op, cris_return_address_on_stack)
5290         (cris_return_address_on_stack_for_return): ISO-Cify.
5291         (cris_store_multiple_op): New predicate function.
5292         (cris_expand_prologue, cris_emit_movem_store): New functions.
5293         (cris_print_operand) <case 'O'>: Handle modifications other than
5294         post-increment.
5295         (cris_symbol, cris_got_symbol): Return 0 for CRIS_UNSPEC_GOT.
5296         (cris_gotless_symbol): Return 1 for CRIS_UNSPEC_GOT.
5297         (cris_gen_movem_load): Rearrange slightly to make local variable
5298         src a parameter, removing osrc.
5299         (cris_setup_incoming_varargs): Set machine_function member
5300         stdarg_regs to correspond to the number of registers that need to
5301         be saved.
5302         * config/cris/cris.h (EXTRA_CONSTRAINT_S): Accept
5303         CRIS_UNSPEC_GOT.
5304         (PREDICATE_CODES): Add cris_store_multiple_op.  Make
5305         cris_general_operand_or_gotless_symbol accept UNSPEC.
5306         * config/cris/cris.md (CRIS_UNSPEC_GOT): New constant.
5307         ("*movsi_internal") <alternative 8>: Handle CRIS_UNSPEC_GOT.
5308         ("*cris_store_multiple"): New pattern.  Tweak common comment above
5309         this and "*cris_load_multiple".
5310         ("prologue"): New define_expand.
5311
5312         * config/cris/cris.md ("epilogue"): Conditionalize on
5313         TARGET_PROLOGUE_EPILOGUE.
5314
5315 2005-04-13  Steve Ellcey  <sje@cup.hp.com>
5316
5317         PR target/20924
5318         * config/ia64/ia64.md (divsf3_internal_lat): Generate frcpa with
5319         fpsr 0 instead of fpsr 1.
5320         (divsf3_internal_thr): Ditto.
5321         (divdf3_internal_lat): Ditto.
5322         (divdf3_internal_thr): Ditto.
5323         (divxf3_internal_lat): Ditto.
5324         (divxf3_internal_thr): Ditto.
5325
5326 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
5327
5328         PR tree-optimization/20913
5329         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR.
5330
5331         PR tree-optimization/20702
5332         * tree-vrp.c (maybe_add_assert_expr): Recurse into
5333         dominator children that haven't been walked into.
5334
5335 2005-04-13  Julian Brown  <julian@codesourcery.com>
5336
5337         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK from
5338         being used for symbols with vague linkage when HAVE_GAS_COMDAT_GROUP
5339         is true.
5340
5341 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
5342
5343         * basic-block.h, tree-ssa-uncprop.c, varasm.c,
5344         config/i386/sse.md: Fix comment typos.
5345
5346         * genattrtab.c (NULL_ATTR): Remove.
5347         * ifcvt.c (NULL_EDGE): Likewise.
5348
5349         * rtl.h (RTX_EXPR_FIRST, RTX_EXPR_LAST): Remove.
5350
5351         * rtl.h (NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS,
5352         NOTE_PREDICT): Remove.
5353
5354 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
5355
5356         * configure.ac (gcc_AC_CHECK_DECLS): Add vsnprintf.
5357         * configure: Regenerate.
5358         * config.in: Likewise.
5359         * system.h: Declare vsnprintf if not already declared.
5360
5361 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
5362
5363         * optc-gen.awk: Handle stand-alone Mask records.
5364         * opth-gen.awk: Likewise.
5365         * doc/options.texi (Option file format): Document them.
5366         * config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*,
5367         sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt.
5368         (sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt.
5369         * config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES,
5370         MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9,
5371         MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS,
5372         MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT,
5373         MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS,
5374         MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete.
5375         (TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE,
5376         TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS,
5377         TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD,
5378         TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS,
5379         TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS,
5380         TARGET_LONG_DOUBLE_128): Likewise.
5381         (TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise.
5382         (TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise.
5383         * config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise.
5384         * config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise.
5385         * config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise.
5386         * config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise.
5387         * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
5388         * config/sparc/sparc.c (fpu_option_set): New global.
5389         (sparc_handle_option): New function.
5390         (sparc_override_options): Test fpu_option_set.
5391         (TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT.
5392         (TARGET_HANDLE_OPTION): Set to sparc_handle_option.
5393         * config/sparc/sparc.opt: New file.
5394         * config/sparc/little-endian.opt: Likewise.
5395         * config/sparc/long-double-switch.opt: Likewise.
5396
5397 2005-04-13  Bernd Schmidt  <bernd.schmidt@analog.com>
5398
5399         * config/bfin/bfin.c (bfin_lib_id_given): New static variable.
5400         (bfin_handle_options): Set it if -mshared-library-id= is seen.
5401         * config/bfin/bfin.opt (mshared-library-id=): Lose
5402         Var(bfin_lib_id_given).
5403
5404 2005-04-13  Matt Thomas  <matt@3am-software.com>
5405
5406         * config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before
5407         defining.
5408
5409 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
5410
5411         * rtl.h (CLEAR_RTX_FLAGS): Remove.
5412
5413         * cgraphunit.c (INSNS_PER_CALL): Remove.
5414
5415         * tree-ssa-forwprop.c (vars,
5416         record_single_argument_cond_exprs,
5417         substitute_single_use_vars): Remove.
5418         (forward_propagate_into_cond_1, forward_propagate_into_cond):
5419         New.
5420         (tree_ssa_forward_propagate_single_use_vars): Call
5421         forward_propagate_into_cond for each COND_EXPR.
5422
5423         * tree-inline.c (INSNS_PER_STMT): Remove.
5424
5425 2005-04-12  Richard Henderson  <rth@redhat.com>
5426
5427         * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Split ...
5428         (ix86_expand_sse_fp_minmax): ... from ...
5429         (ix86_expand_fp_movcc): ... here.
5430         (ix86_expand_sse_movcc): Rewrite from ix86_split_sse_movcc.
5431         * config/i386/i386-protos.h: Update.
5432         * config/i386/i386.md (UNSPEC_IEEE_MIN, UNSPEC_IEEE_MAX): New.
5433         (sse_setccsf, sse_setccdf): Allow before reload.
5434         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): Remove.
5435         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): Remove.
5436         (ieee_sminsf3, ieee_smaxsf3, ieee_smindf3, ieee_smaxdf3): New.
5437         * config/i386/sse.md (andsf3, nandsf3, iorsf3, xorsf3): New.
5438         (anddf3, nanddf3, iordf3, xordf3): New.
5439
5440 2005-04-12  Jeff Law  <law@redhat.com>
5441
5442         * Makefile.in (OBJS-common): Add tree-ssa-uncprop.o.
5443         (tree-ssa-uncprop.o): Add dependencies.
5444         * tree-cfg.c (remove_useless_stmts_bb, remove_useless_stmts): Remove.
5445         * tree-flow.h (remove_useless_stmts): Remove prototype.
5446         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
5447         remove_useless_stmts.
5448         * timevar.def (TV_TREE_SSA_UNCPROP): New timevar.
5449         * tree-optimize.c (init_tree_optimization_passes): Add uncprop pass.
5450         * tree-pass.h (pass_uncprop): Declare.
5451         * tree-ssa-uncprop.c: New file.
5452
5453 2005-04-12  James E. Wilson  <wilson@specifixinc.com>
5454
5455         PR target/20670
5456         * unwind-ia64.c (uw_intall_context): Add missing load of r27.
5457
5458 2005-04-12  Caroline Tice  <ctice@apple.com>
5459
5460         Temporary fix for partitioning problems.
5461         * passes.c (rest_of_handle_final): Remove code that
5462         frees unlikely_text_section_name,
5463         * varasm.c (assemble_start_function): Test for partitioning
5464         flag before writing out section labels.
5465         (assemble_end_function): Test for partitioning flag before
5466         writing out section labels.
5467
5468 2005-04-12  Steven Bosscher  <stevenb@suse.de>
5469             Stuart Hastings <stuart@apple.com>
5470             Jan Hubicka  <jh@suse.cz>
5471
5472         * Makefile.in: Add function.h to BASIC_BLOCK_H.  Remove all
5473         references to gt-tree-cfg.h.
5474         * basic-block.h (struct basic_block_def): Don't skip rbi
5475         for garbage collection.
5476         (struct reorder_block_def): Make GTY-able.
5477         (struct control_flow_graph): New structure.
5478         (n_edges, n_basic_blocks, last_basic_block, basic_block_info,
5479         BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars,
5480         but instead defines to the control_flow_graph for cfun.
5481         (label_to_block_map): New define, points to the label map of
5482         the control_flow_graph for cfun.
5483         (n_edges_for_function, n_basic_blocks_for_function,
5484         last_basic_block_for_function, basic_block_info_for_function,
5485         EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION,
5486         basic_block_info_for_function, label_to_block_map_for_function):
5487         Counterparts for the above, taking a struct function as an extra
5488         argument.
5489         (alloc_rbi_pool, free_rbi_pool): Remove prototypes.
5490         * cfg.c: (n_edges, n_basic_blocks, last_basic_block,
5491         basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove.
5492         (alloc_rbi_pool, free_rbi_pool): Remove.
5493         (initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc.
5494         * cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool
5495         here...
5496         (cfg_layout_finalize) ... and don't free it here.
5497         * cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets
5498         garbage collected.
5499         * flow.c (free_basic_block_vars): Set label_to_block_map and
5500         n_edges to zero too.
5501         * function.h (struct function): Add cfg field.
5502         * function.c (allocate_struct_function): Allocate the cfg.
5503         * tree-cfg.c (label_to_block_map): Remove.
5504         (build_tree_cfg): Don't allocate the rbi pool here...
5505         (delete_tree_cfg_annotations): ...and don't free it here.
5506         Also don't nullify label_to_block_map for cfun.
5507
5508 2005-04-12  Caroline Tice  <ctice@apple.com>
5509
5510         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
5511         Revert my patch from April 9.
5512         (fix_edges_for_rarely_executed_code): Revert my patch from April 9.
5513         (reorder_basic_blocks): Revert my patch from April 9.
5514         (insert_section_boundary_note): Revert my patch from April 9.
5515         * dbxout.c (dbxout_function_end): Revert my patch from April 9.
5516         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): Revert my patch from April 9.
5517         (COLD_END_LABEL):  Revert my patch from April 9.
5518         (cold_text_section_label):  Revert my patch from April 9.
5519         (cold_end_label): Revert my patch from April 9.
5520         (dwarf2out_switch_text_section): Revert my patch from April 9.
5521         (output_aranges): Revert my patch from April 9.
5522         (output_ranges):  Revert my patch from April 9.
5523         (output_line_info): Revert my patch from April 9.
5524         (add_location_or_const_value_attribute):  Revert my patch from April 9.
5525         (dwarf2out_var_location): Revert my patch from April 9.
5526         (dwarf2out_init):  Revert my patch from April 9.
5527         (dwarf2out_finish): Revert my patch from April 9.
5528         * function.h (struct function): Revert my patch from April 9.
5529         * opts.c (decode_options): Revert my patch from April 9.
5530         * output.h (unlikely_section_label, hot_section_label,
5531         hot_section_end_label, cold_section_end_label,
5532         unlikely_text_section_name): Revert my patch from April 9.
5533         * passes.c (rest_of_handle_final): Revert my patch from April 9.
5534         * varasm.c (unlikely_section_label, hot_section_label,
5535         hot_section_end_label, cold_section_end_label,
5536         unlikely_text_section_name): Revert my patch from April 9.
5537         (initialize_cold_section_name): Revert my patch from April 9.
5538         (unlikely_text_section): Revert my patch from April 9.
5539         (in_unlikely_text_section): Revert my patch from April 9.
5540         (named_section): Revert my patch from April 9.
5541         (function_section): Revert my patch from April 9.
5542         (current_function_section): Revert my patch from April 9.
5543         (assemble_start_function): Revert my patch from April 9.
5544         (assemble_end_function): Revert my patch from April 9.
5545         (default_section_type_flags_1): Revert my patch from April 9.
5546
5547 2005-04-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
5548
5549         * config/sparc/sparc.h (APPLY_RESULT_SIZE): Set to 24 in 64-bit mode.
5550         * config/sparc/sparc.md (untyped_call): Save the registers manually.
5551
5552         * config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32.
5553
5554 2005-04-12  Ulrich Weigand  <uweigand@de.ibm.com>
5555
5556         PR middle-end/20917
5557         * config/s390/s390.md ("*set_tp"): Use SET in pattern.
5558         ("set_tp_64", "set_tp_31"): Adapt expanded pattern.
5559
5560 2004-04-12  Richard Henderson  <rth@redhat.com>
5561
5562         * config/i386/i386.md (UNSPEC_FIX, UNSPEC_MOVA, UNSPEC_SHUFFLE,
5563         UNSPEC_PSHUFLW, UNSPEC_PSHUFHW, UNSPEC_ADDSUB, UNSPEC_HADD,
5564         UNSPEC_HSUB, UNSPEC_MOVSHDUP, UNSPEC_MOVSLDUP, UNSPEC_MOVDDUP): Remove.
5565         (UNSPEC_*, UNSPECV_*): Renumber.
5566
5567 2005-04-12  Frank Ch. Eigler  <fche@redhat.com>
5568
5569         PR mudflap/19266
5570         From Richard Henderson <rth@redhat.com>:
5571         * tree-mudflap.c (mf_build_check_statement_for): Correct block
5572         splitting logic.
5573
5574 2005-04-12  Dorit Naishlos  <dorit@il.ibm.com>
5575
5576         * tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL.
5577
5578 2005-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
5579
5580         * config/bfin/bfin.c (bfin_library_id_string): Remove.
5581         (bfin_library_id): New variable.
5582         (bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given
5583         instead of bfin_library_id_string.
5584         (bfin_handle_option): New function.
5585         (override_options): Remove most code to deal with shared library IDs,
5586         just check they aren't used without -mid-shared-library.
5587         (TARGET_HANDLE_OPTION): Define.
5588         * config/bfin/bfin.h (TARGET_OPTIONS): Delete macro.
5589         * config/bfin/bfin.opt (mshared-library-id=): New.
5590
5591 2005-04-12  Kazu Hirata  <kazu@cs.umass.edu>
5592
5593         * tree-vect-transform.c: Fix comment typos.
5594
5595 2005-04-12 Mostafa Hagog <mustafa@il.ibm.com>
5596
5597         * postreload-gcse.c (eliminate_partially_redundant_load): Don't
5598         split critical edges when not possible/profitable.
5599
5600 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
5601
5602         * config/ns32k/ns32k.h (target_flags, MASK_32081, MASK_RTD)
5603         (MASK_REGPARM, MASK_32532, MASK_32332, MASK_NO_SB, MASK_NO_BITFIELD)
5604         (MASK_HIMEM, MASK_32381, MASK_MULT_ADD, MASK_SRC, MASK_IEEE_COMPARE)
5605         (TARGET_32081, TARGET_32381, TARGET_MULT_ADD, TARGET_RTD)
5606         (TARGET_REGPARM, TARGET_32532, TARGET_32332, TARGET_SB, TARGET_HIMEM)
5607         (TARGET_BITFIELD, TARGET_IEEE_COMPARE, TARGET_SWITCHES): Delete.
5608         (OVERRIDE_OPTIONS): Clear MASK_SB instead of setting MASK_NO_SB.
5609         * config/ns32k/netbsd.h (TARGET_DEFAULT): Remove MASK_NO_SB and
5610         MASK_NO_BITFIELD.
5611         * config/ns32k/ns32k.c (ns32k_handle_option): New function.
5612         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
5613         * config/ns32k/ns32k.opt: New file.
5614
5615 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
5616
5617         * config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
5618         * config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
5619         (MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
5620         (TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
5621         (MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
5622         (TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
5623         (MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
5624         (MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
5625         (MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
5626         (TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
5627         (TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
5628         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
5629         (MASK_COLDFIRE): Formatting fixes.
5630         (TARGET_COLDFIRE): Turn into a boolean value for consistency.
5631         * config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
5632         * config/m68k/m68k.c (m68k_library_id_string): Initialize to
5633         "_current_shared_library_a5_offset_".
5634         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
5635         (MASK_ALL_CPU_BITS): New macro.
5636         (m68k_handle_option): New function.
5637         (override_options): Remove handling of m68k_library_id_string.
5638         * config/m68k/m68k.opt: New file.
5639         * config/m68k/ieee.opt: New file.
5640
5641 2005-04-11  Mark Mitchell  <mark@codesourcery.com>
5642
5643         * target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
5644         (TARGET_CXX_DETERMINE_CLASS_VISIBILITY): New macro.
5645         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
5646         (TARGET_CXX): Adjust accordingly.
5647         * target.h (struct gcc_target): Remove epxort_class_data.  Add
5648         determine_class_data_visibility and class_data_always_comdat.
5649         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
5650         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Document.
5651         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
5652         * config/arm/arm.c (arm_cxx_export_class_data): Remove.
5653         (arm_cxx_determine_class_data_visibility): New.
5654         (arm_cxx_class_data_always_comdat): Likewise.
5655         (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
5656         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
5657         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
5658         * config/arm/arm.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): Define.
5659         * config/arm/symbian.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P):
5660         Define.
5661
5662 2005-04-11  Devang Patel  <dpatel@apple.com>
5663
5664         * tree-data-ref.c (build_classic_dist_vector,
5665         compute_subscript_distance): Make externally visible.
5666         * tree-data-ref.h (build_classic_dist_vector,
5667         compute_subscript_distance): Same.
5668         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
5669         Check distance vector against vectorization factor.
5670         (vect_analyze_loop): Determine vectorizaion factor before
5671         analyzing data dependences.
5672         * tree-vectorizer.c (loops_num): Make it externally visible and
5673         rename ...
5674         * tree-vectorizer.c (vect_loops_num): ... new name.
5675         * tree-vectorizer.h  (vect_loops_num): New.
5676
5677 2005-04-11  Devang Patel  <dpatel@apple.com>
5678
5679         * tree-vect-analyze.c (vect_analyze_operations): Check
5680         vectorizable codition.
5681         * tree-vect-transform.c (vect_is_simple_cond): New function.
5682         (vectorizable_condition): New function.
5683         (vect_transform_stmt): Handle condition_vec_info_type.
5684         * tree-vectorizer.h (enum stmt_vec_info_type): Add
5685         condition_vec_info_type.
5686         (vectorizable_condition): New.
5687
5688 2005-04-11  Geoffrey Keating  <geoffk@apple.com>
5689
5690         * config/i386/i386.h (TARGET_FPMATH_DEFAULT): New.
5691         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT): New.
5692         * config/i386/i386.c (override_options): Use TARGET_FPMATH_DEFAULT.
5693
5694         * config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686.
5695         (SUBTARGET_EXTRA_SPECS): Always 'i386'.
5696
5697         * dwarf2out.c (output_line_info): Don't try to dereference
5698         a NULL current_function_decl.
5699
5700         * config/t-slibgcc-darwin: Don't put shared libraries in
5701         directories other than $(slibdir).
5702         * config/rs6000/darwin.h: Find -m64 libgcc under the name the
5703         OS uses for it.
5704
5705 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
5706
5707         PR tree-optimization/20933
5708         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move
5709         logic to reject aliases between read-only and writable
5710         variables ...
5711         (may_alias_p): ... here.
5712         (get_tmt_for): Do not associate read-only tags to pointers
5713         whose pointed-to type is not read-only.
5714         * tree-ssa.c (verify_ssa): Check that memory stores have at
5715         least one V_MAY_DEF or V_MUST_DEF.
5716
5717 2005-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5718
5719         PR/17092
5720         * configure.ac (gcc_UNLOCKED_FUNCS): New.
5721         (AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for gcc_UNLOCKED_FUNCS.
5722         * system.h (putchar, getc, getchar, clearerr, feof, fileno,
5723         fflush, fgetc, fgets, ferror, fread): Redefine to the associated
5724         _unlocked function.
5725         (fwrite_unlocked): Fix prototype.
5726
5727         * configure, config.in: Regenerate.
5728
5729 2005-04-11  David Edelsohn  <edelsohn@gnu.org>
5730
5731         * tree-ssa-loop-im.c: Include real.h.
5732         (determine_invariantness_stmt): If real division divisor is
5733         invariant and flag_unsafe_math_optimizations enabled, generate
5734         invariant reciprocal for hoisting.
5735         * Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.
5736
5737 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
5738
5739         Fix PR tree-optimization/20926
5740
5741         * tree-ssa-alias.c (add_type_alias): Handle subvars.
5742
5743 2005-04-11  Devang Patel  <dpatel@apple.com>
5744
5745         * config/rs6000.c (rs6000_emit_vector_select): Fix vector select
5746         operand ordering.
5747
5748 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
5749
5750         * fold-const.c (fold_binary_op_with_conditional_arg):
5751         use fold_buildN instead of "fold (buildN" in some
5752         non obvious places.
5753         (fold_unary): Likewise.
5754         (fold_binary): Likewise.
5755
5756 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
5757
5758         Fix PR tree-optimization/20612
5759         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
5760         handling
5761         (perfect_nestify): preheaderbb is *not* part of loop of the
5762         old destination.
5763
5764 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
5765
5766         * tree-ssa-alias.c (may_alias_p): If the variable
5767         is a global variable and the pointer is parameter
5768         and -fargument-noalias-global is used, then
5769         the pointer cannot alias the variable.
5770
5771 2005-04-11  James A. Morrison  <phython@gcc.gnu.org>
5772
5773         * config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
5774         * config/sparc/sparc.h: Likewise.
5775         * config/sparc/sparc.md: Likewise.
5776
5777 2005-04-11  Kazu Hirata  <kazu@cs.umass.edu>
5778
5779         * tree-vrp.c (maybe_add_assert_expr): Move a comment.
5780
5781         * tree-vrp.c: Fix a comment typo.
5782
5783 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
5784
5785         PR tree-optimization/20920
5786         * tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
5787         SSA_NAME flows through an abnormal edge.
5788         * tree-vrp.c (infer_value_range): Ignore SSA names that flow
5789         through abnormal edges.
5790         (maybe_add_assert_expr): Likewise.
5791
5792 2005-04-11  Richard Sandiford  <rsandifo@redhat.com>
5793
5794         * config/s390/s390.h (s390_tune_string, s390_arch_string)
5795         (s390_warn_framesize_string, s390_warn_dynamicstack_string)
5796         (s390_stack_size_string, s390_stack_guard_string, target_flags)
5797         (MASK_HARD_FLOAT, MASK_SMALL_EXEC, MASK_DEBUG_ARG, MASK_64BIT)
5798         (MASK_ZARCH, MASK_MVCLE, MASK_TPF_PROFILING, MASK_NO_FUSED_MADD)
5799         (MASK_BACKCHAIN, MASK_PACKED_STACK, TARGET_HARD_FLOAT)
5800         (TARGET_SOFT_FLOAT, TARGET_SMALL_EXEC, TARGET_DEBUG_ARG)
5801         (TARGET_64BIT, TARGET_ZARCH, TARGET_MVCLE, TARGET_TPF_PROFILING)
5802         (TARGET_NO_FUSED_MADD, TARGET_FUSED_MADD, TARGET_BACKCHAIN)
5803         (TARGET_PACKED_STACK, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
5804         * config/s390/s390.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
5805         (TARGET_HANDLE_OPTION): Likewise.
5806         (s390_tune): Initialize to PROCESSOR_max.
5807         (s390_arch_string): Make static.
5808         (s390_tune_string, s390_warn_framesize_string): Delete.
5809         (s390_warn_dynamicstack_string, s390_stack_size_string): Delete.
5810         (s390_stack_guard_string, s390_warn_dynamicstack_p): Delete.
5811         (s390_handle_arch_option, s390_handle_option): New functions.
5812         (override_options): Remove parsing of option strings.
5813         * config/s390/s390.opt: New file.
5814
5815 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
5816
5817         * tree-complex.c (expand_vector_operations): Call
5818         update_stmt_if_modified.
5819
5820 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
5821
5822         * tree-vect-analyze (vect_determine_vectorization_factor):
5823         Do not use GET_MODE_NUNITS.
5824         * tree-vect-transform.c (vect_get_vec_def_for_operand,
5825         (vectorizable_load, vect_transform_loop): Likewise.
5826
5827 2005-04-11  Uros Bizjak  <uros@kss-loka.si>
5828
5829         * builtins.def (BUILT_IN_LCEIL, BUILT_IN_LCEILF, BUILT_IN_LCEILL)
5830         (BUILT_IN_LLCEIL, BUILT_IN_LLCEILF, BUILT_IN_LLCEILL): New.
5831         * optabs.h (enum optab_index): Add new OTI_lceil.
5832         (lceil_optab): Define corresponding macro.
5833         * optabs.c (init_optabs): Initialize lceil_optab.
5834         * genopinit.c (optabs): Implement lceil_optab using lceilsi2
5835         and lceildi2 patterns.
5836         * builtins.c (expand_builtin_int_roundingfn): Handle
5837         BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}.
5838         (fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and
5839         BUILT_IN_LLCEIL{,F,L}.
5840         (fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and
5841         BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn.
5842         (mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL.
5843         (expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and
5844         BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn.
5845         * convert.c (convert_to_integer): Convert (long int)ceil{,f,l},
5846         into lceil built-in function and (long long int)ceil{,f,l} into
5847         llceil built-in function.
5848         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and
5849         BUILT_IN_LLCEIL.
5850
5851 2005-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5852
5853         * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
5854         zero.
5855
5856 2005-04-10  Kazu Hirata  <kazu@cs.umass.edu>
5857
5858         * config/arm/arm.c: Fix a comment typo.
5859         * doc/tree-ssa.texi: Fix a typo.
5860
5861 2005-04-10  Steven Bosscher  <stevenb@suse.de>
5862
5863         * cselib.c (clear_table): Rename to cselib_clear_table.
5864         * cselib.h (cselib_clear_table): Add prototype.
5865         * gcse.c (gcse_main): Make 'f' argument unused.
5866         (alloc_gcse_mem): Do not walk the insn chain, walk the contents
5867         of each basic block instead.
5868         (compute_sets, compute_hash_table_work): Likewise.
5869         (constprop_register): Change int 'alter_jumps' argument to bool.
5870         (do_local_cprop): Likewise.
5871         (local_cprop_pass): Likewise.  Also walk basic blocks instead of
5872         the insn chain.  Explicitly clear the cselib tables after finishing
5873         one basic block.  Make sure there are no unterminated libcall blocks.
5874         Update compute_sets call.
5875         (cprop): Walk basic blocks instead of the insn chain.
5876         (one_cprop_pass, compute_ld_motion_mems, compute_store_table):
5877         Likewise.
5878         (bypass_jumps): Update alloc_gcse_mem, compute_sets, and
5879         one_cprop_pass calls.
5880
5881 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
5882
5883         * combine.c (combine_simplify_rtx): Remove a transformation that
5884         relies on an invalid assumption about rtl sign-extension semantics.
5885
5886 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
5887
5888         * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
5889         to build_int_cst_wide.
5890
5891 2005-04-09  Alexandre Oliva  <aoliva@redhat.com>
5892
5893         PR target/20126
5894         * loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
5895         set the original address pseudo to the correct value before the
5896         original insn, if possible, and leave the insn alone, otherwise
5897         create a new pseudo, set it and replace it in the insn.
5898         * recog.c (validate_change_maybe_volatile): New.
5899         * recog.h (validate_change_maybe_volatile): Declare.
5900
5901 2005-04-09  Caroline Tice  <ctice@apple.com>
5902
5903         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
5904         Remove targetm.have_named_sections test.
5905         (fix_edges_for_rarely_executed_code): Likewise.
5906         (insert_section_boundary_note): Likewise.
5907         (reorder_basic_blocks): Check partitioning flag before calling
5908         verify_hot_cold_block_grouping.
5909         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
5910         the function struct rather than global variables.
5911         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
5912         (COLD_END_LABEL): Likewise
5913         (cold_text_section_label): New static global variable.
5914         (cold_end_label): Likewise.
5915         (dwarf2out_switch_text_section): Get hot/cold section labels from
5916         the function struct rather than global variables.
5917         (output_aranges): Use cold_text_section_label and cold_end_label;
5918         check partitioning flag before putting out delta.
5919         (output_ranges): Remove incorrect code attempting to use
5920         hot/cold labels.
5921         (output_line_info): Get cold section label from function struct.
5922         (add_location_or_const_value_attribute): Likewise.
5923         (get_subprogram_die): Get hot/cold section labels from function struct.
5924         (dwarf2out_var_location): Likewise.
5925         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
5926         write out cold_text_section_label if partition flag is set.
5927         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
5928         * function.h (struct function): Add new fields to point to hot/cold
5929         section labels: hot_section_label, cold_section_label,
5930         hot_section_end_label and cold_section_end_label; also add new field
5931         for cold text section name, unlikely_text_section_name.
5932         * opts.c (decode_options): Turn off partitioning flag if
5933         !targetm.have_named_sections.
5934         * output.h (hot_section_label): Remove.
5935         (hot_section_end_label): Remove.
5936         (cold_section_end_label): Remove.
5937         (unlikely_section_label): Remove.
5938         (unlikely_text_section_name): Remove.
5939         * passes.c (rest_of_handle_final):  Remove code that frees
5940         unlikely_text_section_name.
5941         * varasm.c (unlikely_section_label): Remove.
5942         (hot_section_label): Remove.
5943         (hot_section_end_label): Remove.
5944         (cold_section_end_label): Remove.
5945         (unlikely_text_section_name):  Remove.
5946         (initialize_cold_section_name): Modify to call
5947         targetm.strip_name_encoding; to store cold section name in current
5948         function struct, if it exists; and to only use the decl_section_name
5949         if flag_named_sections is true.
5950         (unlikely_text_section): Modify to get section name out of current
5951         function struct, if there is one; otherwise build it from
5952         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
5953         (in_unlikely_text_section): Likewise.
5954         (named_section): Modify to get/put cold section name in current function
5955         struct, if there is one.
5956         (function_section):  Change 'bool unlikely' to 'int reloc'; check
5957         targetm.have_named_sections before calling named_section.
5958         (current_function_section): Likewise.
5959         (assemble_start_function): Modify to get/put unlikely_text_section_name
5960         in current function struct; modify to get hot/cold section labels
5961         from function struct; initialize labels using
5962         ASM_GENERATE_INTERNAL_LABEL;
5963         test partitioning flag before writing out hot section label.
5964         (assemble_end_function): Test partitioning flag before writing out
5965         hot/cold section labels.
5966         (default_section_type_flags_1):  Modify to use array instead of
5967          char* for unlikely_text_section_name; set flags correctly for
5968          cold text section if there is not a current function decl.
5969
5970 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
5971
5972         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
5973         and TI_VA_LIST_FPR_COUNTER_FIELD.
5974         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
5975         * tree-pass.h (pass_stdarg): Add.
5976         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
5977         * tree-stdarg.c: New file.
5978         * tree-stdarg.h: New file.
5979         * Makefile.in (OBJS-common): Add tree-stdarg.o.
5980         (tree-stdarg.o): Add dependencies.
5981         * function.h (struct function): Add va_list_gpr_size and
5982         va_list_fpr_size fields.
5983         * function.c (allocate_struct_function): Initialize them.
5984         * target.h (struct gcc_target): Add stdarg_optimize_hook.
5985         * target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
5986         (TARGET_INITIALIZER): Add it.
5987
5988         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
5989         va_list_{g,f}pr_counter_field.
5990         (ix86_setup_incoming_varargs): Don't do anything if reg_save
5991         area will not be used.  Only save registers that tree-stdarg.c
5992         detected they need saving.
5993         (ix86_va_start): Don't set up fields that won't be used.
5994
5995         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
5996         va_list_{g,f}pr_counter_field.
5997         (setup_incoming_varargs): Don't do anything if reg_save
5998         area will not be used.  Only save registers that tree-stdarg.c
5999         detected they need saving.
6000         (rs6000_va_start): Don't set up fields that won't be used.
6001
6002         * config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
6003         (alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
6004         (va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
6005         (TARGET_STDARG_OPTIMIZE_HOOK): Define.
6006
6007 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
6008
6009         PR target/20795
6010         * config/i386/i386.c (construct_container): Pass empty aligned
6011         struct, union or class in memory.
6012
6013 2005-04-09  Kazu Hirata  <kazu@cs.umass.edu>
6014
6015         * dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
6016         tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
6017         config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
6018         config/rs6000/predicates.md: Fix comment typos.
6019
6020         * sched-int.h (haifa_insn_data): Remove blockage and units.
6021         (INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK,
6022         ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE,
6023         MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove.
6024
6025 2005-04-09  Jan Hubicka  <jh@suse.cz>
6026             Steven Bosscher  <stevenb@suse.de>
6027
6028         * cfglayout.c (copy_bbs): Rename n_edges to num_edges.
6029         * cfgloop.c (get_loop_exit_edges): Likewise.
6030         * cfgloopmanip.c (fix_irreducible_loops): Likewise.
6031         (unloop): Likewise.
6032         * loop-unroll.c (analyze_insns_in_loop): Likewise.
6033         * tree-cfg.c (dump_cfg_status): Likewise.
6034
6035 2005-04-09  David Edelsohn  <edelsohn@gnu.org>
6036
6037         * config/rs6000/predicates.md (altivec_register_operand): Remove
6038         redundant match_code test.
6039         (gpc_reg_operand): Same.
6040         (cc_reg_operand): Same.
6041         (cc_reg_not_cr0_operand): Same.
6042
6043 2005-04-09  Jan Hubicka  <jh@suse.cz>
6044
6045         Forgotten hunk from my last merge patch:
6046         * final.c (output_addr_const): Do not call mark_referenced.
6047
6048 2005-04-09  Andrew MacLeod  <amacleod@redhat.com>
6049
6050         * doc/tree-ssa.texi: Add immediate use documentation.
6051
6052 2005-04-09  Richard Earnshaw <richard.earnshaw@arm.com>
6053
6054         * arm.c (FL_WBUF): Define.
6055         (arm_tune_strongarm): Renamed from arm_is_strong.  All uses changed.
6056         (arm_is_6_or_7): Delete.
6057         (arm_tune_wbuf): New.
6058         (arm_override_options): Set arm_tune_wbuf.
6059         * arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
6060         (arm_is_6_or_7): Delete declaration.
6061         (arm_tune_wbuf): New declartion.
6062         * arm.md (is_strongarm): Derive from arm_tune_strongarm.
6063         (model_wbuf): Derive from arm_tune_wbuf.
6064         * arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
6065         (arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
6066         (arm740t): Mark CPUs as having a write buffer.
6067
6068 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
6069
6070         * config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead
6071         of 'const_double_operand' in operand 2 constraints.  Update enable
6072         condition.
6073
6074 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
6075
6076         * builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
6077         (BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
6078         * optabs.h (enum optab_index): Add new OTI_lfloor.
6079         (lfloor_optab): Define corresponding macro.
6080         * optabs.c (init_optabs): Initialize lfloor_optab.
6081         * genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
6082         and lfloordi2 patterns.
6083         * builtins.c (expand_builtin_int_roundingfn): New prototype.
6084         (expand_builtin_int_roundingfn): New function.
6085         (fold_builtin_int_roundingfn): New prototype.
6086         (fold_builtin_int_roundingfn): New function, renamed from
6087         fold_builtin_lround.
6088         Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
6089         BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
6090         (fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
6091         BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
6092         (mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
6093         (expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
6094         BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
6095         * convert.c (convert_to_integer): Convert (long int)floor{,f,l},
6096         into lfloor built-in function and (long long int)floor{,f,l} into
6097         llfloor built-in function.
6098         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
6099         BUILT_IN_LLFLOOR.
6100
6101 2005-04-08  Ian Lance Taylor  <ian@airs.com>
6102
6103         * c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
6104         CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def.
6105         * c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h.
6106         (DO_COND, DO_BODY): Likewise.
6107         (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise.
6108         (SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise.
6109         (c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT,
6110         BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT.
6111         (build_continue_stmt, build_break_stmt): Don't declare.
6112         (c_do_switch_warnings): Update declaration.
6113         * c-gimplify.c (enum bc_t): Remove.
6114         (struct c_gimplify_ctx, ctxp): Remove.
6115         (push_context, pop_context): Remove static functions.
6116         (c_genericize): Don't call push_context or pop_context.
6117         (begin_bc_block, finish_bc_block): Remove static functions.
6118         (build_bc_goto): Likewise.
6119         (gimplify_c_loop): Likewise.
6120         (gimplify_for_stmt, gimplify_while_stmt): Likewise.
6121         (gimplify_do_stmt, gimplify_switch_stmt): Likewise.
6122         (c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT,
6123         DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT.
6124         * c-common.c (c_do_switch_warnings): Rename from
6125         c_do_switch_warnings_1.
6126         (c_do_switch_warnings) [old version]: Remove.
6127         (c_do_switch_expr_warnings): Remove.
6128         * c-typeck.c (c_finish_case): Call new c_do_switch_warnings
6129         function instead of c_do_switch_expr_warnings.
6130         * c-dump.c (c_dump_tree): Remove handling of BREAK_STMT,
6131         CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT.
6132         * c-pretty-print.c (pp_c_statement): Likewise.
6133         * c-semantics.c (build_break_stmt, build_continue_stmt): Remove.
6134
6135 2005-04-08  Devang Patel  <dpatel@apple.com>
6136
6137         * tree-if-conv.c (find_phi_replacement_condition): New parameter, loop.
6138         While selecting replacement condition pay attention to loop header.
6139
6140 2005-04-08  Diego Novillo  <dnovillo@redhat.com>
6141
6142         Merge from tree-cleanup-branch: VRP, store CCP, store
6143             copy-prop, incremental SSA updating of FUD chains and
6144             newly exposed symbols.
6145
6146         * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
6147         (OBJS-common): Add tree-vrp.o.
6148         (tree-vrp.o): New rule.
6149         * basic-block.h (nearest_common_dominator_for_set): Declare.
6150         * common.opt (ftree-store-ccp): New flag.
6151         (ftree-copy-prop): New flag.
6152         (ftree-vrp): New flag.
6153         (ftree-store-copy-prop): New flag.
6154         * dominance.c (nearest_common_dominator_for_set): New.
6155         * domwalk.c (walk_dominator_tree): Only traverse
6156         statements in blocks marked in walk_data->interesting_blocks.
6157         * domwalk.h (struct dom_walk_data): Add field interesting_blocks.
6158         * fold-const.c (fold): Handle ASSERT_EXPR.
6159         * opts.c (decode_options): Set flag_tree_copy_prop at -O1.
6160         Set flag_tree_store_ccp, flag_tree_store_copy_prop and
6161         flag_tree_vrp at -O2.
6162         * timevar.def (TV_TREE_VRP): Define.
6163         (TV_TREE_COPY_PROP): Define.
6164         (TV_TREE_STORE_COPY_PROP): Define.
6165         (TV_TREE_SSA_INCREMENTAL): Define.
6166         (TV_TREE_STORE_CCP): Define.
6167         * tree-cfg.c (tree_can_merge_blocks_p): Remove reference
6168         to kill_redundant_phi_nodes from comment.
6169         (verify_expr): Handle ASSERT_EXPR.
6170         * tree-dfa.c (mark_new_vars_to_rename): Remove second
6171         argument.  Update all users.
6172         (mark_call_clobbered_vars_to_rename): Remove.  Update all
6173         users.
6174         * tree-flow-inline.h (unmodifiable_var_p): New.
6175         * tree-flow.h (enum value_range_type): Declare.
6176         (struct value_range_def): Declare.
6177         (value_range): Declare.
6178         (remove_all_phi_nodes_for): Remove.  Update all users.
6179         (find_phi_node_for): Declare.
6180         (add_type_alias): Declare.
6181         (count_uses_and_derefs): Declare.
6182         (kill_redundant_phi_nodes): Remove.
6183         (rewrite_into_ssa): Remove.
6184         (rewrite_def_def_chains): Remove.
6185         (update_ssa, register_new_name_mapping, create_new_def_for,
6186         need_ssa_update_p, name_registered_for_update_p,
6187         release_ssa_name_after_update_ssa, dump_repl_tbl,
6188         debug_repl_tbl, dump_names_replaced_by,
6189         debug_names_replaced_by, mark_sym_for_renaming,
6190         mark_set_for_renaming, get_current_def, set_current_def,
6191         get_value_range, dump_value_range, debug_value_range,
6192         dump_all_value_ranges, debug_all_value_ranges,
6193         expr_computes_nonzero, loop_depth_of_name,
6194         unmodifiable_var_p): Declare.
6195         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
6196         ASSERT_EXPR.
6197         * tree-into-ssa.c (block_defs_stack): Update comment.
6198         (old_ssa_names, new_ssa_names, old_virtual_ssa_names,
6199         syms_to_rename, names_to_release, repl_tbl,
6200         need_to_initialize_update_ssa_p, need_to_update_vops_p,
6201         need_to_replace_names_p): New locals.
6202         (NAME_SETS_GROWTH_FACTOR): Define.
6203         (struct repl_map_d): Declare.
6204         (struct mark_def_sites_global_data): Add field
6205         interesting_blocks.
6206         (enum rewrite_mode): Declare.
6207         (REGISTER_DEFS_IN_THIS_STMT): Define.
6208         (compute_global_livein): Use last_basic_block instead of
6209         n_basic_blocks.
6210         (set_def_block): Remove last argument.  Update all callers.
6211         (prepare_use_operand_for_rename): Remove.  Update all callers.
6212         (prepare_def_operand_for_rename): Remove.  Update all callers.
6213         (symbol_marked_for_renaming): New.
6214         (is_old_name): New.
6215         (is_new_name): New.
6216         (repl_map_hash): New.
6217         (repl_map_eq): New.
6218         (repl_map_free): New.
6219         (names_replaced_by): New.
6220         (add_to_repl_tbl): New.
6221         (add_new_name_mapping): New.
6222         (mark_def_sites): Assume that all the operands in the
6223         statement are in normal form.
6224         (find_idf): Assert that the block in the stack is valid.
6225         (get_default_def_for): New.
6226         (insert_phi_nodes_for): Add new argument 'update_p'.
6227         Add documentation.
6228         If update_p is true, add a new mapping between the LHS of
6229         each new PHI and the name that it replaces.
6230         (insert_phi_nodes_1): Only call find_idf if needed.
6231         (get_reaching_def): Call get_default_def_for.
6232         (rewrite_operand): Remove.
6233         (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
6234         and REWRITE_THIS_STMT are false.
6235         Assume that all the operands in the statement are in
6236         normal form.
6237         (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
6238         (rewrite_virtual_phi_arguments): Remove.
6239         (invalidate_name_tags): Remove.
6240         (register_new_update_single, register_new_update_set,
6241         rewrite_update_init_block, replace_use,
6242         rewrite_update_fini_block, rewrite_update_stmt,
6243         rewrite_update_phi_arguments): New.
6244         rewrite_blocks): Remove argument 'fix_virtual_phis'.
6245         Add arguments 'entry', 'what' and 'blocks'.
6246         Initialize the dominator walker according to 'what' and
6247         'blocks'.
6248         Start the dominator walk at 'entry'.
6249         (mark_def_site_blocks): Add argument 'interesting_blocks'.
6250         Use it to configure the dominator walker.
6251         (rewrite_into_ssa): Remove argument 'all'.
6252         Make internal.
6253         (rewrite_all_into_ssa): Remove.
6254         (rewrite_def_def_chains): Remove.
6255         (mark_def_interesting, mark_use_interesting,
6256         prepare_phi_args_for_update, prepare_block_for_update,
6257         prepare_def_site_for, prepare_def_sites,
6258         dump_names_replaced_by, debug_names_replaced_by,
6259         dump_repl_tbl, debug_repl_tbl, init_update_ssa,
6260         delete_update_ssa, create_new_def_for,
6261         register_new_name_mapping, mark_sym_for_renaming,
6262         mark_set_for_renaming, need_ssa_update_p,
6263         name_registered_for_update_p, ssa_names_to_replace,
6264         release_ssa_name_after_update_ssa,
6265         insert_updated_phi_nodes_for, update_ssa): New.
6266         * tree-loop-linear.c (linear_transform_loops): Call
6267         update_ssa instead of rewrite_into_ssa.
6268         * tree-optimize.c (vars_to_rename): Remove.
6269         Update all users.
6270         (init_tree_optimization_passes): Replace
6271         pass_redundant_phi with pass_copy_prop.
6272         Add pass_vrp.
6273         Replace pass_ccp with pass_store_ccp.
6274         Add pass_store_copy_prop after pass_store_ccp.
6275         (execute_todo): If the TODO_ flags don't include updating
6276         the SSA form, assert that it does not need to be updated.
6277         Call update_ssa instead of rewrite_into_ssa and
6278         rewrite_def_def_chains.
6279         If TODO_verify_loops is set, call verify_loop_closed_ssa.
6280         (tree_rest_of_compilation):
6281         * tree-pass.h (TODO_dump_func, TODO_ggc_collect,
6282         TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
6283         TODO_cleanup_cfg): Renumber.
6284         (TODO_verify_loops, TODO_update_ssa,
6285         TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
6286         TODO_update_ssa_only_virtuals): Define.
6287         (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
6288         Declare.
6289         * tree-phinodes.c (make_phi_node): Update documentation.
6290         (remove_all_phi_nodes_for): Remove.
6291         (find_phi_node_for): New.
6292         * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
6293         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
6294         (interpret_rhs_modify_expr): Likewise.
6295         * tree-sra.c (decide_instantiations): Mark all symbols in
6296         SRA_CANDIDATES for renaming.
6297         (mark_all_v_defs_1): Rename from mark_all_v_defs.
6298         (mark_all_v_defs): New function.  Update all users to call it
6299         with the whole list of scalarized statements, not just the
6300         first one.
6301         * tree-ssa-alias.c (count_ptr_derefs): Make extern.
6302         (compute_flow_insensitive_aliasing): If the tag is
6303         unmodifiable and the variable isn't or vice-versa, don't
6304         make them alias of each other.
6305         (setup_pointers_and_addressables): If the type tag for
6306         VAR is about to change, mark the old one for renaming.
6307         (add_type_alias): New.
6308         * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
6309         (ccp_lattice_t): Rename from latticevalue.
6310         (value): Remove.  Update all users.
6311         (const_val): New local variable.
6312         (do_store_ccp): New local variable.
6313         (dump_lattice_value): Handle UNINITIALIZED.
6314         (debug_lattice_value): New.
6315         (get_default_value): Re-write.
6316         (set_lattice_value): Re-write.
6317         (def_to_varying): Remove.  Update all users.
6318         (likely_value): Return VARYING for statements that make
6319         stores when STORE_CCP is false.
6320         Return VARYING for any statement other than MODIFY_EXPR,
6321         COND_EXPR and SWITCH_EXPR.
6322         (ccp_initialize): Re-write.
6323         (replace_uses_in, replace_vuse_in, substitute_and_fold):
6324         Move to tree-ssa-propagate.c.
6325         (ccp_lattice_meet): Handle memory stores when
6326         DO_STORE_CCP is true.
6327         (ccp_visit_phi_node): Likewise.
6328         (ccp_fold): Likewise.
6329         (evaluate_stmt): Likewise.
6330         (visit_assignment): Likewise.
6331         (ccp_visit_stmt): Likewise.
6332         (execute_ssa_ccp): Add argument 'store_ccp'.  Copy it
6333         into DO_STORE_CCP.
6334         (do_ssa_ccp): New.
6335         (pass_ccp): Use it.
6336         (do_ssa_store_ccp): New.
6337         (gate_store_ccp): New.
6338         (pass_store_ccp): Declare.
6339         * tree-ssa-copy.c: Include tree-ssa-propagate.h.
6340         (may_propagate_copy): Reformat.
6341         Don't abort if ORIG is a virtual and DEST isn't.
6342         If NEW does not have alias information but DEST does,
6343         copy it.
6344         (copy_of, cached_last_copy_of, do_store_copy_prop, enum
6345         copy_prop_kind, which_copy_prop): Declare.
6346         (stmt_may_generate_copy, get_copy_of_val,
6347         get_last_copy_of, set_copy_of_val, dump_copy_of,
6348         copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
6349         copy_prop_visit_stmt, copy_prop_visit_phi_node,
6350         init_copy_prop, fini_copy_prop, execute_copy_prop,
6351         gate_copy_prop, do_copy_prop, gate_store_copy_prop,
6352         store_copy_prop): New.
6353         (pass_copy_prop, pass_store_copy_prop): Declare.
6354         * tree-ssa-dom.c (struct opt_stats_d): Add fields
6355         'num_const_prop' and 'num_copy_prop'.
6356         (cprop_operand): Update them.
6357         (dump_dominator_optimization_stats): Dump them.
6358         (tree_ssa_dominator_optimize): Call update_ssa instead of
6359         rewrite_into_ssa.
6360         (loop_depth_of_name): Declare extern.
6361         (simplify_cond_and_lookup_avail_expr): Guard against NULL
6362         values for LOW or HIGH.
6363         (cprop_into_successor_phis): Only propagate if NEW != ORIG.
6364         (record_equivalences_from_stmt): Call expr_computes_nonzero.
6365         (cprop_operand): Only propagate if VAL != OP.
6366         * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
6367         statement for renaming.
6368         * tree-ssa-loop-im.c (move_computations): Call update_ssa.
6369         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call
6370         add_type_alias if necessary.
6371         Call mark_new_vars_to_rename.
6372         (tree_ssa_iv_optimize): If new symbols need to be renamed,
6373         mark every statement updated, call update_ssa and
6374         rewrite_into_loop_closed_ssa.
6375         * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
6376         from LIVEIN if VAR is a virtual.
6377         * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
6378         * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
6379         (get_call_expr_operands): Reformat statement.
6380         (add_stmt_operand): Don't create V_MAY_DEFs for read-only
6381         symbols.
6382         * tree-ssa-propagate.c (ssa_prop_init): Initialize
6383         SSA_NAME_VALUE for every name.
6384         (first_vdef, stmt_makes_single_load, stmt_makes_single_store,
6385         get_value_loaded_by): New.
6386         (replace_uses_in, replace_vuses_in, replace_phi_args_in,
6387         substitute_and_fold): Move from tree-ssa-ccp.c.
6388         * tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
6389         first_vdef, stmt_makes_single_load, stmt_makes_single_store,
6390         get_value_loaded_by, replace_uses_in, substitute_and_fold):
6391         Declare.
6392         * tree-ssa.c (verify_use): Fix error message.
6393         (propagate_into_addr, replace_immediate_uses, get_eq_name,
6394         check_phi_redundancy, kill_redundant_phi_nodes,
6395         pass_redundant_phi): Remove.  Update all users.
6396         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
6397         add_type_alias, if necessary.
6398         * tree-vectorizer.h (struct _stmt_vect_info): Update
6399         documentation for field 'memtag'.
6400         * tree-vrp.c: New file.
6401         * tree.def (ASSERT_EXPR): Define.
6402         * tree.h (ASSERT_EXPR_VAR): Define.
6403         (ASSERT_EXPR_COND): Define.
6404         (SSA_NAME_VALUE_RANGE): Define.
6405         (struct tree_ssa_name): Add field 'value_range'.
6406         (PHI_REWRITTEN): Remove.
6407         (struct tree_phi_node): Remove field 'rewritten'.
6408         * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
6409         -ftree-store-copy-prop): Document.
6410         * doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
6411         Document usage of update_ssa.
6412
6413 2005-04-08  David Edelsohn  <edelsohn@gnu.org>
6414
6415         PR target/20814
6416         * config/rs6000/predicates.md (altivec_register_operand): Accept
6417         SUBREG.
6418         (and64_operand): Do not limit CONST_INT to mask64_operand.
6419         (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
6420         (and_operand): Do not limit CONST_INT to mask_operand.
6421
6422 2005-04-09  Hans-Peter Nilsson  <hp@axis.com>
6423
6424         PR rtl-optimization/20466
6425         * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
6426         for overlap of the address of each list member.
6427         (mark_set_1): Call invalidate_mems_from_set for MEMs too.
6428
6429 2005-04-08  Mike Stump  <mrs@apple.com>
6430
6431         * config/darwin.c (indirect_data): Fix typo in strncmp logic.
6432
6433         * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
6434         instead of 4.
6435
6436 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
6437
6438         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
6439
6440         * function.c (push_function_context_to): Don't set
6441         contains_functions.
6442         * function.h (function): Remove contains_functions.
6443         (current_function_contains_functions): Remove.
6444
6445         * function.h (function): Remove instrument_entry_exit.
6446         (current_function_instrument_entry_exit): Remove.
6447
6448         * function.h (nonlocal_labels): Remove.
6449
6450         * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
6451
6452         * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
6453         (check_attr_value, write_attr_get, write_expr_attr_cache,
6454         find_attr, make_internal_attr): Don't reference negative_ok or
6455         unsigned_p.
6456         * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
6457         ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
6458         (ATTR_STATIC): Adjust the value.
6459
6460         * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
6461
6462 2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>
6463
6464         * config/s390/tpf.h (ASM_SPEC): Define.
6465
6466 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
6467
6468         * tree-flow.h: Remove the prototype for
6469         redirect_immediate_uses.
6470         (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
6471
6472 2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>
6473
6474         * arm.c (arm_const_double_by_parts): New function.
6475         * arm-protos.h (arm_const_double_by_parts): Add prototype.
6476         * arm.md (define_split for 64-bit constants): Add another one.
6477
6478 2005-04-08  Andrew MacLeod  <amacleod@redhat.com>
6479
6480         * tree-ssa-operands.c (correct_use_link): Remove linear scan.
6481
6482 2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6483
6484         * system.h: Revert last change.
6485
6486 2005-04-08  Richard Sandiford  <rsandifo@redhat.com>
6487
6488         * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
6489         (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
6490         (TARGET_SWITCHES): Delete.
6491         * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
6492         * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
6493         TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
6494         * config/xtensa/xtensa.opt: New file.
6495
6496 2005-04-08  Ben Elliston  <bje@au.ibm.com>
6497
6498         * config/fp-bit.c: Include L_mul_tf in #endif comment.
6499         * config/fp-bit.h: Tidy comments.
6500
6501 2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6502
6503         * system.h: Poison PARAMS.
6504
6505 2005-04-07  Richard Sandiford  <rsandifo@redhat.com>
6506
6507         * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
6508         (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
6509         (TARGET_SWITCHES): Delete.
6510         * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
6511         * config/vax/vax.opt: New file.
6512
6513 2005-04-07  Daniel Berlin  <dberlin@dberlin.org>
6514
6515         * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
6516
6517 2005-04-07  Ian Lance Taylor  <ian@airs.com>
6518
6519         * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
6520         define.
6521         * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
6522         * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
6523         Likewise.
6524
6525 2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>
6526
6527         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
6528         all immediate uses in PHI nodes.
6529
6530 2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>
6531
6532         * arm.c (arm_const_double_inline_cost): Handle any constant by
6533         using gen_lowpart and gen_highpart_mode.
6534         (note_invalid_constants): All constants in an RTX with a constraint
6535         that permits memory are now pushed to the constant pool.
6536         (output_move_double): Delete code to handle reg to reg and
6537         constant to reg moves.
6538         (const_double_needs_minipool, output_mov_immediate): Delete.
6539         * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
6540         CONST_INT and CONST_VECTOR.
6541         * arm.md (ANY64): New mode macro.
6542         (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
6543         (movdf_soft_insn): Split reg-reg and const-reg moves.
6544         (split patterns for 64-bit constant and register moves): New.
6545         * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
6546         (cirrus_movdf_hard_insn): Likewise.
6547         * fpa.md (movdf_fpa): Likewise.
6548         * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
6549         (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
6550         constraints.
6551         (movv2si_internal_2): Likewise.
6552         * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
6553         (movdf_vfp): Likewise.
6554         * arm-protos.h (output_mov_immediate): Delete prototype.
6555
6556 2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>
6557
6558         PR target/20093
6559         * simplify-rtx.c (simplify_unary_operation_1): Check
6560         SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
6561
6562 2005-04-06  James E Wilson  <wilson@specifixinc.com>
6563
6564         PR target/20717
6565         * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
6566         ADDR_EXPR.
6567
6568 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
6569
6570         * coverage.h (GCOV_TYPE_NODE): Delete.
6571         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
6572         (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
6573         * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
6574         (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
6575         * value-prof.c (tree_divmod_fixed_value_transform): Delete.
6576
6577 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
6578
6579         PR other/20792
6580         * Makefile.in (gcc.pot): Remove options.c dependency.
6581         * optc-gen.awk: Don't quote help strings with N_().
6582
6583 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
6584
6585         * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
6586         the function returns a pointer type.
6587
6588 2005-04-06  Daniel Berlin  <dberlin@dberlin.org>
6589
6590         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
6591         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
6592         * doc/invoke.texi: Documnet salias-max-implicit-fields.
6593         * tree-ssa-alias.c (struct used_part): Add implicit_uses and
6594         explicit_uses members.
6595         (get_or_create_used_part_for): Initialize new fields.
6596         (fieldoff_compare): New function.
6597         (create_overlap_variables_for): Count number of fields, use
6598         heuristic to determine whether to create subvars for vars with
6599         only implicit uses.
6600         Sort the field list by offset and avoid creating duplicate SFT's.
6601
6602 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
6603
6604         * c.opt (-F): Remove trailing whitespace from help string.
6605         (-finput-charset): Use a tab to separate the switch name and help
6606         string.
6607         * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
6608         (-ftree-vectorizer-verbose): Likewise.
6609
6610 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
6611
6612         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
6613         a PHI argument where a use occurs instead of all PHI arguments.
6614
6615 2005-04-06  Joseph S. Myers  <joseph@codesourcery.com>
6616
6617         * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
6618         scope.
6619
6620 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
6621
6622         * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
6623         tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
6624         config/bfin/bfin.h: Fix comment typos.
6625
6626 2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
6627
6628         * doc/install.texi: Update the URL for Jacks.
6629         * doc/sourcebuild.texi: Likewise.
6630
6631 2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
6632
6633         PR target/17245
6634         * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
6635         Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.
6636
6637 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
6638
6639         * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
6640
6641 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
6642
6643         * config/v850/v850-protos.h (override_options): Delete.
6644         * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
6645         (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
6646         (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
6647         (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
6648         (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
6649         (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
6650         (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
6651         (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
6652         (OVERRIDE_OPTIONS): Delete.
6653         (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
6654         (small_memory_info): Remove the value field.
6655         (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
6656         TARGET_NO_APP_REGS.
6657         * config/v850/v850.c (small_memory): Remove the value field.
6658         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
6659         (override_options): Delete.
6660         (v850_handle_memory_option, v850_handle_option): New functions.
6661         * config/v850/v850.opt: New file.
6662
6663 2005-04-06  Geoffrey Keating  <geoffk@apple.com>
6664
6665         * config.host: Add a section for generic hosts, and a subsection
6666         for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
6667         * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
6668         * config/host-darwin.h: New.
6669         * config/x-darwin: New.
6670         * config/i386/host-i386-darwin.c: New.
6671         * config/i386/x-darwin: New.
6672         * config/rs6000/host-darwin.c: Include host-darwin.h.
6673         (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
6674         (darwin_rs6000_gt_pch_use_address): Likewise.
6675         * config/rs6000/x-darwin: Change name of .o built, update
6676         dependencies for changes to rs6000/host-darwin.c.
6677
6678 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
6679
6680         PR target/17824
6681         * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
6682
6683 2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>
6684
6685         * tree-vect-analyze.c (vect_analyze_loop_form): Call
6686         split_loop_exit_edge instead of loop_split_edge_with.
6687
6688 2005-04-06  Paolo Bonzini  <bonzini@gnu.org>
6689
6690         * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
6691         UNSPEC_SET_VSCR): New constants, used throughout.
6692         (*andc3_v4sf): New.
6693         (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
6694         Replace with...
6695         (altivec_vspltis<VI_char>): ... this pattern, using
6696         a QImode const_int_operand for the immediate.
6697         (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
6698         define_expands.
6699
6700 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
6701
6702         PR target/17822
6703         * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
6704
6705 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
6706
6707         * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
6708
6709 2005-04-06  Ben Elliston  <bje@au.ibm.com>
6710
6711         * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
6712         DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
6713         macros as living in "this file" and not gcc.h.
6714
6715 2005-04-06  Ben Elliston  <bje@au.ibm.com>
6716
6717         * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
6718         -ftree-live_range_split.  Perhaps renamed at some point?
6719
6720 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
6721
6722         PR target/20625
6723         * tree-ssa-loop-ivopts.c (generic_type_for): New function.
6724         (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
6725
6726 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
6727
6728         * tree-flow.h (number_of_iterations_cond): Declaration removed.
6729         * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
6730         (number_of_iterations_special): New function.
6731         (number_of_iterations_exit): Use number_of_iterations_special.
6732         Use simplify_using_outer_evolutions only at -O3.
6733         (number_of_iterations_cond, tree_simplify_using_condition,
6734         simplify_using_initial_conditions, loop_niter_by_eval,
6735         compare_trees, can_count_iv_in_wider_type_bound,
6736         simplify_using_outer_evolutions): Use fold_build.
6737
6738 2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>
6739
6740         * doc/install.texi (Configuration): Document --with-java-home.
6741
6742 2005-04-05  Richard Henderson  <rth@redhat.com>
6743
6744         PR target/20342
6745         PR target/20447
6746         * config/i386/i386.c (print_operand): Handle vector zeros.
6747         (ix86_split_to_parts): Handle CONST_VECTOR.
6748         (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
6749         (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
6750         what modes to tie for MMX and SSE registers.
6751         * config/i386/i386.h (MMX_REG_MODE_P): Remove.
6752         * config/i386/i386.md: Extend move 0 -> xor peephole to apply
6753         to vector modes as well.
6754         * config/i386/predicates.md (const0_operand): Handle VOIDmode
6755         properly as an input mode.
6756
6757 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
6758
6759         * tree-ssa-operands.c (verify_abort): Use %p for pointers.
6760
6761 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
6762
6763         * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
6764
6765 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
6766
6767         * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
6768         and local functions, set sse_nregs to 8 and float_in_sse.
6769         (function_arg_advance, function_arg): If float_in_sse, pass
6770         SFmode and DFmode arguments in SSE registers.
6771         * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
6772
6773         * config/i386/i386.c (ix86_value_regno): Only optimize local functions
6774         of -funit-at-a-time.
6775
6776 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
6777
6778         * config/i386/i386-protos.h (ix86_function_value): Accept two
6779         arguments, like the target macro.
6780         * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
6781         * config/i386/i386.c (ix86_function_value): Accept the second
6782         argument of the target macro.
6783         (ix86_function_ok_for_sibcall): Pass a function pointer to
6784         ix86_function_value.
6785         (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
6786         call to ix86_value_regno).
6787         (ix86_value_regno): Add support for returning floating point values
6788         in SSE registers.
6789
6790 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
6791
6792         PR tree-optimization/20076
6793         * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
6794         that call __builtin_return or __builtin_apply_args.
6795
6796 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
6797
6798         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
6799         Use immediate use iterator.
6800         (stmt_is_bumper_for_loop): Use immediate use iterator.
6801         * predict.c (strip_builtin_expect): Use update_stmt.
6802         * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
6803         on all elements of a STATEMENT_LIST.
6804         (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
6805         (bsi_remove): Remove imm_use links and mark the stmt as modified.
6806         (bsi_replace): Mark stmt as modified and the update it.
6807         * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
6808         (expand_complex_libcal): Call update_stmt.
6809         (expand_complex_comparison): Call mark_stmt_modified.
6810         (expand_complex_operations_1): Call update_stmt_if_modified.
6811         (expand_vector_operations_1): Call mark_stmt_modified.
6812         * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
6813         compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
6814         add_immediate_use, redirect_immediate_use,
6815         redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
6816         dump_immediate_uses_for, debug_immediate_uses_for): Delete.
6817         (mark_new_vars_to_rename): Call update_stmt.
6818         * tree-dump.c (dump_option_value_in): Add "stmtaddr".
6819         * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.
6820         Ignore PHI nodes.
6821         (unmodify_stmt): Delete.
6822         (update_stmt): New.  Force an update of a stmt.
6823         (update_stmt_if_modified): update a stmt if it is out of date.
6824         (get_stmt_operands): Verify stmt is NOT modified.
6825         (stmt_modified_p): Update comment.
6826         (delink_imm_use): Remove a use node from its immuse list.
6827         (link_imm_use_to_list): Link a use node to a specific list.
6828         (link_imm_use): Link a node to the correct list.
6829         (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
6830         it in the correct list, if appropriate.
6831         (link_imm_use_stmt): Link a use node, and set the stmt pointer.
6832         (relink_imm_use): Link a use node in place of another node in a list.
6833         (relink_imm_use_stmt): LInk a node in place of another node, and set
6834         the stmt pointer.
6835         (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
6836         (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
6837         (first_safe_imm_use): New.  Initialize a safe immuse iterator.
6838         (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
6839         (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
6840         (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
6841         (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
6842         (has_zero_uses): New.  Return true if there are no uses of a var.
6843         (has_single_use): New.  Return true if there is only a single use of a
6844         variable.
6845         (single_imm_use): New.  Return the simgle immediate use.
6846         (num_imm_uses): New.  Return the number of immediate uses.
6847         (get_v_must_def_ops): Use is now a pointer.
6848         (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
6849         get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of
6850         the use node.
6851         (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
6852         (delink_stmt_imm_use): Delink all immuses from a stmt.
6853         (phi_arg_index_from_use): New.  Return a phi arg index for a use.
6854         * tree-flow.h (struct dataflow_d): Delete.
6855         (immediate_use_iterator_d): New.  Immediate use iterator struct.
6856         (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
6857         (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
6858         (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe
6859         iteration.
6860         (struct stmt_ann_d): Remove dataflow_t from struct.
6861         * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
6862         (if_convertible_phi_p): Use FAST immuse iterator.
6863         (if_convertible_loop_p): Don't call compute_immediate_uses.
6864         (replace_phi_with_cond_modify_expr): Call update_stmt.
6865         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call
6866         update_stmt_if_modified.
6867         (rewrite_all_into_ssa): Initialize ssa operands.
6868         * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
6869         compute_immediate_uses.
6870         * tree-optimize.c (execute_todo): Call verify_ssa whenever the
6871         ssa_property is available.
6872         (execute_one_pass):  Change parameters passed to execute_todo.
6873         * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
6874         (remove_ssa_form): Call fini_ssa_operands.
6875         (insert_backedge_copies): Delete call to modify_stmt.
6876         * tree-phinodes.c (make_phi_node): Initialize use nodes.
6877         (release_phi_node): Delink any use nodes before releasing.
6878         (resize_phi_node): Relink any use nodes.
6879         (remove_phi_arg_num): Delink the use node.
6880         (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
6881         (remove_all_phi_nodes_for): Release phi node first.
6882         * tree-pretty-print.c (dump_generic_node): Print stmt address.
6883         * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
6884         (scalarize_use, scalarize_copy): Call update_stmt.
6885         * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
6886         (compute_points_to_and_addr_escape): Call mark_stmt_modified.
6887         * tree-ssa-cpp.c (need_imm_uses_for): Delete.
6888         (ccp_initialize): Remove call to compute_immediate_uses.
6889         (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
6890         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified
6891         stmts.
6892         (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
6893         (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
6894         (eliminate_redundant_computations): Call mark_stmt_modified.
6895         (cprop_operand): Call mark_stmt_modified.
6896         (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
6897         * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
6898         (dse_optimize_stmt): Use new immuse interface.
6899         (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
6900         * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
6901         (substitute_single_use_vars): Use new immuse interface.
6902         (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
6903         and compute_immediate_uses.
6904         * tree-ssa-loop-im.c (single_reachable_address): Use new immuse
6905         interface.
6906         (rewrite_mem_refs): Call update_stmt.
6907         (determine_lsm): Remove call to compute_imm_uses and free_df.
6908         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
6909         (try_unroll_loop_completely): Call update_stmt.
6910         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
6911         (rewrite_use_compare): Call update_stmt.
6912         (compute_phi_arg_on_exit): Insert each stmt before trying to process.
6913         (rewrite_use) : Call update_stmt.
6914         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
6915         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call
6916         update_stmt.
6917         * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
6918         (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
6919         (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
6920         use nodes.
6921         (initialize_vuse_operand): New.  Initialize a vuse operand.
6922         (initialize_v_may_def_operand): New.  Initialize a maydef operand.
6923         (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
6924         (finalize_ssa_defs): Use stmt parameter.
6925         (correct_use_link): Ensure a use node is in the correct list, and has
6926         the correct stmt pointer.
6927         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
6928         finalize_ssa_v_must_defs): Also initialize use nodes.
6929         (finalize_ssa_stmt_operands): Pass extra stmt operands.
6930         (build_ssa_operands): Seperate parsing from final operand construction.
6931         (parse_ssa_operands): New.  Parse entry point for operand building.
6932         (swap_tree_operands): New.  Swap 2 tree operands.
6933         (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
6934         operands.
6935         (get_expr_operands): Call swap_tree_operands when needed.
6936         (copy_virtual_operands): Use initialize routines for virtual use ops.
6937         (create_ssa_artficial_load_stmt): Add extra stmt parameter.
6938         (verify_abort): New.  Issue imm_use error.
6939         (verify_imm_links): New Verify imm_use links for a var.
6940         (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
6941         (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
6942         (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
6943         (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
6944         * tree-ssa-operands.h (struct use_operand_ptr): Delete.
6945         (NULL_USE_OPERAND_P) Define.
6946         (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
6947         use node.
6948         (struct vuse_operand_type): New struct.
6949         (SET_USE): Call set_ssa_use_from_ptr.
6950         (USE_STMT): Define.
6951         (PHI_ARG_INDEX_FROM_USE): Define.
6952         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi
6953         argument via SET_USE, not PHI_ARG_DEF_TREE.
6954         * tree-ssa-pre.c (eliminate): Call update_stmt.
6955         * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
6956         call free_df.
6957         * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
6958         (nearest_common_dominator_of_uses): Use imm_use iterator.
6959         (statement_sink_location): Use imm_use iterator and interface.
6960         (execute_sink_code): Don't call compute_immediate_uses or free-df.
6961         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
6962         PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
6963         * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
6964         (verify_ssa): Ensure no stmt is marked modify after optimization pass
6965         if new parameter is true.
6966         (init_tree_ssa): Don't initialize operand cache here.
6967         (delete_tree_ssa): Don't destroy operand cache here.
6968         (propagate_into_addr): Pass in a use pointer, return true if anything
6969         was changed.
6970         (replace_immediate_uses): Use imm_use iterator, call update_stmt.
6971         (check_phi_redundancy): Use imm_use iterator.
6972         (kill_redundant_phi_nodes): Don't call compute_immediate_uses or
6973         free_df.
6974         * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
6975         (release_ssa_name): Delink node and all elements in its imm_use list.
6976         * tree-tailcall.c (adjust_return_value): Call update_stmt.
6977         * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
6978         * tree-vectorizer.c (need_imm_uses_for): Delete.
6979         (vectorize_loops): Dont call compute_immediate_uses or free_df.
6980         * tree.h (struct ssa_imm_use_d): Define.
6981         (SSA_NAME_IMM_USE_NODE): Define.
6982         (struct tree_ssa_name): Add imm_use node.
6983         (PHI_DF): Delete.
6984         (PHI_ARG_IMM_USE_NODE): Define.
6985         (struct phi_arg_d): Add imm_use node.
6986         (struct tree_phi_node): Remove struct dataflow_d element.
6987         (TDF_STMTADDR): Define.
6988
6989 2005-04-05  Dale Johannesen  <dalej@apple.com>
6990
6991         * doc/invoke.texi (Optimization Options):  Remove
6992         duplicate -fcse-follow-jumps.  Add -fweb.
6993         (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
6994         (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).
6995
6996 2005-04-05  Per Bothner  <per@bothner.com>
6997
6998         * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
6999         to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
7000         (warn_uninit): Get EXPR_LOCUS from context now instead.
7001         This fixes a USE_MAPPED_LOCATION testsuite failure.
7002
7003         * tree-ssa.c (warn_uninitialized_var): Remove useless local.
7004
7005 2005-04-05  Per Bothner  <per@bothner.com>
7006
7007         * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
7008         of the artification 'return 0' in main() to BUILTINS_LOCATION.
7009         * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
7010         before warning.
7011
7012 2004-04-05  Devang Patel  <dpatel@apple.com>
7013
7014         * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
7015         (lhsr<mode>3): ... new name.
7016         (altivec_vsra<VI_char>): Rename to ..
7017         (ashr<mode>3): ... new name.
7018         * config/rs6000/rs6000.c (builtin_description): Rename shift
7019         operations.
7020
7021 2004-04-05  Paolo Bonzini  <bonzini@gnu.org>
7022
7023         * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
7024         gen_lowpart_for_combine.
7025         * cse.c (gen_lowpart_if_possible): Move...
7026         * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
7027         gen_lowpart_SUBREG.
7028         (gen_lowpart_no_emit_general): Use it.
7029
7030 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
7031
7032         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
7033         overriding.
7034
7035 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
7036
7037         * system.h: Fix typo.
7038
7039 2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
7040
7041         * config/bfin/bfin-modes.def: New file.
7042         * config/bfin/bfin-protos.h: New file.
7043         * config/bfin/bfin.c: New file.
7044         * config/bfin/bfin.h: New file.
7045         * config/bfin/bfin.md: New file.
7046         * config/bfin/bfin.opt: New file.
7047         * config/bfin/crti.s: New file.
7048         * config/bfin/crtn.s: New file.
7049         * config/bfin/elf.h: New file.
7050         * config/bfin/lib1funcs.asm: New file.
7051         * config/bfin/predicates.md: New file.
7052         * config/bfin/t-bfin: New file.
7053         * config/bfin/t-bfin-elf: New file.
7054         * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
7055         Document new attributes.
7056         (interrupt, interrupt_handler, saveall): Update documentation for
7057         these attributes.
7058         * doc/install.texi (Specific): Add entry for the Blackfin.
7059         * doc/invoke.texi (Blackfin Options): New section.
7060         * doc/md.texi (Blackfin family): New section to document constraints.
7061         * config.gcc: Add bfin*-* and bfin*-elf configurations.
7062
7063 2005-04-05  Olivier Hainque  <hainque@adacore.com>
7064
7065         * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
7066         match what the system unwinder expects.
7067         * config/mips/mips.c (mips_frame_set): If we're saving the return
7068         address register and the dwarf return address column number differs
7069         from the hard register number, adjust the note reg to refer to the
7070         former.
7071
7072 2004-04-05  Richard Sandiford  <rsandifo@redhat.com>
7073
7074         * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
7075         * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
7076         (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
7077         (processor_type): New enum.
7078         (mn10300_processor): New variable.
7079         (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
7080         (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
7081         * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
7082         (PROCESSOR_DEFAULT): New macro.
7083         * config/mn10300/mn10300.c (mn10300_processor): New variable.
7084         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
7085         (mn10300_handle_option, mn10300_override_options): New functions.
7086         * config/mn10300/mn10300.opt: New file.
7087
7088 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
7089             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
7090
7091         PR tree-optimization/19903
7092         * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
7093         that don't fit in their type after conversion.
7094
7095 2005-04-05  Uros Bizjak <uros@kss-loka.si>
7096
7097         PR target/20421
7098         * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
7099         (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
7100         Allocate local stack slots here.  Set ix86_optimize_mode_switching.
7101         flag here. Implement using define_insn_and_split.
7102         (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
7103         (frndintxf2_mask_pm_i387): New insn patterns.
7104         (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
7105         Do not set ix86_optimize_mode_switching flag.
7106         (ceilsf2, ceildf2, ceilxf2): Same.
7107         (btruncsf2, btruncdf2, btruncxf2): Same.
7108         (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
7109
7110 2005-04-05  Ian Lance Taylor  <ian@airs.com>
7111
7112         PR debug/9963
7113         * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
7114         i386_pe_record_external_function.
7115         (i386_pe_record_external_function): Update declaration.
7116         * config/i386/winnt.c (struct extern_list): Add decl field.
7117         (i386_pe_record_external_function): Add decl parameter.
7118         (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
7119         identifier.
7120         * config/i386/i386-protos.h (i386_pe_record_external_function):
7121         Update declaration.
7122
7123 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
7124
7125         * config/m68k/m68k-protos.h: Add a prototype for
7126         valid_dbcc_comparison_p_2.
7127         * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
7128         extend_operator, const_uint32_operand, const_sint32_operand,
7129         general_src_operand, nonimmediate_src_operand,
7130         memory_src_operand, post_inc_operand, pre_dec_operand,
7131         pcrel_address): Move to predicates to predicates.md.
7132         * config/m68k/m68k.h (PREDICATE_CODES): Remove.
7133         * config/m68k/m68k.md: Include predicates.md.
7134         * config/m68k/predicates.md: New.
7135
7136 2005-04-04  Roger Sayle  <roger@eyesopen.com>
7137
7138         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
7139
7140         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
7141
7142 2005-04-04  Ian Lance Taylor  <ian@airs.com>
7143
7144         * c-typeck.c (struct c_switch): Rename switch_stmt field to
7145         switch_expr.
7146         (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
7147         (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
7148         (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
7149         Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
7150         * c-common.c (c_do_switch_warnings_1): New static function broken
7151         out of c_do_switch_warnings.
7152         (c_do_switch_warnings): Call c_do_switch_warnings_1.
7153         (c_do_switch_expr_warnings): New function.
7154         * c-common.h (c_do_switch_expr_warnings): Declare.
7155
7156 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
7157             Daniel Jacobowitz  <dan@codesourcery.com>
7158
7159         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
7160         trapping divide.
7161         * rtlanal.c (may_trap_p): Same.
7162
7163 2005-04-04  Dale Johannesen  <dalej@apple.com>
7164
7165         * ChangeLog:  remove reference to ChangeLog.12.
7166
7167 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
7168
7169         CRIS epilogue as RTL.
7170         * config/cris/cris.md: Change all 0 in unspec 0 to
7171         CRIS_UNSPEC_PLT.
7172         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
7173         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
7174         patterns.
7175         ("return"): Change to define_expand.  Call cris_expand_return for
7176         actual expansion.
7177         ("*return_expanded"): New pattern.
7178         ("epilogue"): New define_expand.
7179         * config/cris/cris.h (PREDICATE_CODES): Add
7180         cris_load_multiple_op.
7181         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
7182         type.
7183         (enum cris_retinsn_type): New.
7184         (struct machine_function): New member return_type.
7185         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
7186         (cris_target_asm_function_epilogue): Remove, moving RTLified
7187         contents to...
7188         (cris_expand_epilogue): New function.
7189         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
7190         (cris_gen_movem_load, cris_load_multiple_op)
7191         (cris_return_address_on_stack_for_return, cris_expand_return): New
7192         functions.
7193         (cris_target_asm_function_prologue)
7194         (cris_initial_frame_pointer_offset): Call
7195         cris_reg_saved_in_regsave_area instead of complicated expression.
7196         Call cris_return_address_on_stack instead of an expression.
7197         (cris_print_operand) <case 'o', case 'O'>: New cases.
7198         (cris_return_address_on_stack): Change return-type to bool.
7199         (cris_simple_epilogue): Ditto.  Return false if registers are
7200         saved.
7201         * config/cris/cris-protos.h (cris_simple_epilogue)
7202         (cris_return_address_on_stack): Adjust prototype return type.
7203         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
7204         (cris_return_address_on_stack_for_return): New prototypes.
7205
7206 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
7207
7208         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
7209         gpr_or_int12_operand.
7210
7211         * config/frv/frv-protos.h: Add a prototype to
7212         frv_legitimate_memory_operand and frv_const_unspec_p.
7213         (frv_unspec): Move from frv.c.
7214         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
7215         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
7216         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
7217         gpr_or_fpr_operand, gpr_or_int12_operand,
7218         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
7219         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
7220         int6_operand, int5_operand, uint5_operand, uint4_operand,
7221         uint1_operand, int_2word_operand, uint16_operand,
7222         upper_int16_operand, integer_register_operand,
7223         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
7224         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
7225         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
7226         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
7227         move_destination_operand, movcc_fp_destination_operand,
7228         frv_function_symbol_referenced_p, move_source_operand,
7229         condexec_dest_operand, condexec_source_operand,
7230         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
7231         const_unspec_operand, gpr_or_memory_operand,
7232         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
7233         icc_operand, fcc_operand, cc_operand, icr_operand,
7234         fcr_operand, cr_operand, call_operand, sibcall_operand,
7235         symbolic_operand, relational_operator,
7236         integer_relational_operator, float_relational_operator,
7237         ccr_eqne_operator, minmax_operator,
7238         condexec_si_binary_operator, condexec_si_media_operator,
7239         condexec_si_divide_operator, condexec_si_unary_operator,
7240         condexec_sf_conv_operator, condexec_sf_add_operator,
7241         condexec_memory_operand, intop_compare_operator, acc_operand,
7242         even_acc_operand, quad_acc_operand, accg_operand: Move to
7243         predicates.md.
7244         * config/frv/frv.h (PREDICATE_CODES): Remove.
7245         * config/frv/frv.md: Include predicates.md.
7246         * config/frv/predicates.md: New.
7247
7248 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
7249
7250         PR target/19537
7251         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
7252         * tree-ssa-loop-ivopts.c: Include langhooks.h.
7253         (add_standard_iv_candidates_for_size): New function, extracting code
7254         from add_standard_iv_candidates and parameterizing it by type size.
7255         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
7256
7257 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
7258
7259         * system.h (GCOV_SIZE_TYPE): Unposion.
7260         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
7261         (GCOV_TYPE_SIZE): ...this new macro.
7262         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
7263         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
7264         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
7265         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
7266         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
7267         instead of unsigned_intSI_type_node.
7268         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
7269         (rtl_gen_one_value_profiler_no_edge_manipulation)
7270         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
7271         * value-prof.c: Include coverage.h.
7272
7273 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
7274             Diego Novillo <dnovillo@redhat.com>
7275
7276         Fix PR tree-optimization/20703
7277         Fix PR tree-optimization/20725
7278
7279         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
7280         (create_expression_by_pieces): Ditto.
7281         (valid_in_set): Ditto. Also handle tcc_declaration.
7282         (find_or_generate_expression): Handle comparison class.
7283         (insert_into_preds_of_block): Ditto.
7284         (insert_aux): Ditto.
7285         (create_value_expr_from): Handle comparison class, recursively
7286         handle reference nodes.
7287         (compute_avail): Handle comparison classes, rewrite a little cleaner.
7288         (execute_pre): Fix spacing.
7289         (do_fre): Renamed to execute_fre.
7290
7291 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
7292
7293         * doc/invoke.texi (SPARC options): Document that
7294         -mlittle-endian is not supported on Linux either.
7295
7296 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
7297
7298         PR target/4198
7299         PR target/12027
7300         * config.gcc (Obsolete configurations): Remove
7301         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
7302         (sparclite-*-coff*): Delete.
7303         (sparclite-*-elf*): Likewise.
7304         (sparc86x-*-elf*): Likewise.
7305         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
7306         * config/sparc/lite.h: Delete.
7307         * config/sparc/litecoff.h: Likewise.
7308         * config/sparc/liteelf.h: Likewise.
7309         * config/sparc/sp86x-elf.h: Likewise.
7310         * config/sparc/t-sparclite: Likewise.
7311         * config/sparc/t-sp86x: Likewise.
7312
7313 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
7314
7315         * config/s390/s390-protos.h: (s390_comparison,
7316         s390_alc_comparison, s390_slb_comparison, const0_operand,
7317         consttable_operand, larl_operand, s_operand,
7318         shift_count_operand, bras_sym_operand, load_multiple_operation,
7319         store_multiple_operation, s390_plus_operand): Remove prototypes.
7320         (s390_legitimate_address_without_index_p): New prototype.
7321         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
7322         to s390.h.
7323         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
7324         const0_operand, consttable_operand, larl_operand, s_operand,
7325         shift_count_operand, bras_sym_operand, load_multiple_operation,
7326         store_multiple_operation, s390_plus_operand): Move to
7327         predicates.md.
7328         (check_mode): Remove.
7329         (s390_branch_condition_mask): Remove 'static'. Move prototype to
7330         s390-protos.h.
7331         (s390_legitimate_address_without_index_p): New.
7332         * config/s390/s390.h (PREDICATE_CODES): Remove.
7333         * config/s390/s390.md: Include predicates.md.
7334         * config/s390/predicates.md: New.
7335
7336 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
7337
7338         PR target/20446
7339         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
7340         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
7341         (NEED_INDICATE_EXEC_STACK): Define to 1.
7342         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
7343         (NEED_INDICATE_EXEC_STACK): Define to 1.
7344         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
7345         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
7346         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
7347         (pic_helper_emitted_p): New global.
7348         (emit_pic_helper): New function extracted from...
7349         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
7350         Do not call emit_pic_helper if delay_pic_helper is true.
7351         (sparc_expand_prologue): Pass 'false' to load_pic_register.
7352         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
7353         (sparc_file_end): New function.
7354
7355 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
7356
7357         * config/mcore/mcore-protos.h: Remove the prototypes for
7358         mcore_arith_reg_operand, mcore_general_movsrc_operand,
7359         mcore_general_movdst_operand, mcore_reload_operand,
7360         mcore_arith_J_operand, mcore_arith_K_operand,
7361         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
7362         mcore_arith_K_S_operand, mcore_arith_imm_operand,
7363         mcore_arith_any_imm_operand, mcore_arith_O_operand,
7364         mcore_literal_K_operand, mcore_addsub_operand,
7365         mcore_compare_operand, mcore_load_multiple_operation,
7366         mcore_store_multiple_operation, mcore_call_address_operand.
7367         Add a prototype for const_ok_for_mcore.
7368         * config/mcore/mcore.c (mcore_call_address_operand,
7369         mcore_general_movsrc_operand, mcore_general_movdst_operand,
7370         mcore_arith_reg_operand, mcore_reload_operand,
7371         mcore_arith_J_operand, mcore_arith_K_operand,
7372         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
7373         mcore_arith_M_operand, mcore_arith_imm_operand,
7374         mcore_arith_any_imm_operand, mcore_arith_O_operand,
7375         mcore_literal_K_operand, mcore_addsub_operand,
7376         mcore_compare_operand, mcore_load_multiple_operation,
7377         mcore_store_multiple_operation): Move to predicates.md.
7378         (const_ok_for_mcore): Export.
7379         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
7380         * config/mcore/mcore.md: Include predicates.md.
7381         * config/mcore/predicates.md: New.
7382
7383         * config/mcore/predicates.md: Fix a comment typo.
7384
7385 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
7386             Adrian Straetling  <straetling@de.ibm.com>
7387
7388         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
7389         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
7390         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
7391         attribute.
7392         ("imul"): Removed from "type" attribute.
7393         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
7394         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"):
7395         Changed type to imulsi.
7396         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
7397
7398 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
7399
7400         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
7401         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
7402         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
7403         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
7404         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
7405         (TARGET_SWITCHES, mcore_stack_increment_string)
7406         (TARGET_OPTIONS): Delete.
7407         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
7408         than *_BIT constants.
7409         (TARGET_8ALIGN): #undef old definition before redefining to 1.
7410         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
7411         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
7412         (mcore_override_options): Delete mcore_stack_increment code.
7413         Change use of M340_BIT to MASK_M340.
7414         * config/mcore/mcore.opt: New file.
7415
7416 2005-04-04  Ian Lance Taylor  <ian@airs.com>
7417
7418         * config/arm/arm.c (replace_symbols_in_block): Remove static
7419         function.
7420
7421 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
7422
7423         * config/fr30/fr30-protos.h: Remove the prototypes for
7424         stack_add_operand, add_immediate_operand,
7425         high_register_operand, low_register_operand, call_operand,
7426         di_operand, and nonimmediate_di_operand.
7427         * config/fr30/fr30.c (stack_add_operand,
7428         add_immediate_operand, high_register_operand,
7429         low_register_operand, call_operand, di_operand,
7430         nonimmediate_di_operand): Move to predicates.md.
7431         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
7432         * config/fr30/fr30.md: Include predicates.md.
7433         * config/fr30/predicates.md: New.
7434
7435         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
7436         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
7437         mcore_call_address_operand.
7438
7439         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
7440         general_movsrc_operand.
7441
7442 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
7443
7444         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
7445         after freeing.
7446
7447 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
7448
7449         PR target/14812
7450         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
7451         a negated value.
7452
7453 2005-04-04  Richard Henderson  <rth@redhat.com>
7454             Jakub Jelinek  <jakub@redhat.com>
7455
7456         PR rtl-optimization/16104
7457         * fold-const.c (fold_unary): Fix folding of vector conversions.
7458
7459 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
7460
7461         * config.gcc (xstormy16-*-elf): Set extra_options.
7462         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
7463         * config/stormy16/stormy16.opt: New file.
7464
7465 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
7466
7467         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
7468         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
7469         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
7470         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
7471         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
7472         (TARGET_UNIX_ASM): Delete.
7473         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
7474         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
7475         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
7476         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
7477         * config/pdp11/pdp11.opt: New file.
7478
7479 2005-04-03  Roger Sayle  <roger@eyesopen.com>
7480             Alexandre Oliva  <aoliva@redhat.com>
7481
7482         PR c++/19199
7483         * fold-const.c (non_lvalue): Split tests into...
7484         (maybe_lvalue_p): New function.
7485         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
7486         C++ front-end prior to lowering into gimple form.
7487
7488 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7489
7490         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
7491         BUILT_IN_STRNCASECMP): New.
7492         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
7493         and strndup.
7494
7495 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
7496
7497         PR target/14812
7498         * arm.md (addsi3_compare0_for_combiner): Delete.
7499         (addsi3_compare0_scratch_for_combiner): Delete.
7500         (cmpsi_neg_shiftsi): Delete.
7501         (compare_negsi_si): New pattern.
7502         (cmpsi_negshiftsi_si): New pattern.
7503         (negated_cbranchsi4): Restrict to equality_operator.
7504
7505         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
7506         template.
7507
7508 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
7509
7510         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
7511         Fix comment typos.
7512
7513         * doc/install.texi: Fix a typo.
7514
7515 2005-04-03  Steven Bosscher  <stevenb@suse.de>
7516
7517         PR middle-end/20648
7518         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
7519         a computed goto if the edge to the computed goto block has
7520         incoming abnormal edges.  Clarify how the function works.
7521
7522 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
7523
7524         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
7525         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
7526         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
7527         hash_scan_set, reg_set_between_after_reload_p,
7528         reg_used_between_after_reload_p, get_avail_load_store_reg,
7529         eliminate_partially_redundant_load): Likewise.
7530         * postreload.c (reload_cse_simplify_set,
7531         reload_combine_note_use): Likewise.
7532         * predict.c (predict_insn, expected_value_to_br_prob,
7533         propagate_freq, expensive_function_p): Likewise.
7534         * print-rtl.c (print_rtx): Likewise.
7535         * profile.c (instrument_edges, instrument_values,
7536         compute_branch_probabilities, branch_prob, union_groups,
7537         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
7538         * protoize.c (in_system_include_dir, file_could_be_converted,
7539         file_normally_convertible, gen_aux_info_file, seek_to_line,
7540         do_cleaning): Likewise.
7541         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
7542         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
7543         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
7544
7545 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
7546
7547         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
7548         * modulo-sched.c (undo_replace_buff_elem): New structure.
7549         (kernel_number_of_cycles, ps_unschedule_node,
7550         undo_generate_reg_moves,free_undo_replace_buff,
7551         undo_permute_partial_schedule,  loop_single_full_bb_p,
7552         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
7553         build_loops_structure, get_sched_window): New.
7554         (generate_reg_moves): Return undo_replace_buff_elem and other
7555         fixes.
7556         (generate_prolog_epilog): Remove old loop versioning.
7557         (sms_schedule): Use loop information and loop_version.
7558         (sms_schedule_by_order): Split part of it to get_sched_window.
7559         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
7560         cfg_layout_finalize and free_dominance_info before/after SMS.
7561
7562 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
7563
7564         * cfghooks.c (lv_flush_pending_stmts,
7565         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
7566         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
7567         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
7568         lv_add_condition_to_bb,
7569         lv_adjust_loop_header_phi, extract_cond_bb_edges,
7570         flush_pending_stmts): New in cfg_hooks structure.
7571         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
7572         extract_cond_bb_edges, lv_adjust_loop_header_phi,
7573         lv_add_condition_to_bb): New declarations.
7574         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
7575         bool.
7576         (loop_version): Declare.
7577         * cfgloopmanip.c (cfghooks.h): Include.
7578         (duplicate_loop_to_header_edge): Change return type to bool.
7579         (loop_version, lv_adjust_loop_entry_edge): Move here.
7580         * cfgrtl.c (cfgloop.h): Include.
7581         (rtl_verify_flow_info_1): Fix.
7582         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
7583         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
7584         initialization.
7585         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
7586         tree_lv_add_condition_to_bb): New.
7587         (tree_cfg_hooks): Add new hooks to initialization.
7588         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
7589         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
7590
7591 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
7592
7593         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
7594         xstormy16_below100_or_register,
7595         xstormy16_splittable_below100_or_register, and
7596         nonimmediate_nonstack_operand.
7597
7598         * config/stormy16/stormy16-protos.h: Remove the prototypes for
7599         xstormy16_ineqsi_operator, equality_operator,
7600         inequality_operator, shift_operator,
7601         xstormy16_below100_operand, xstormy16_below100_or_register,
7602         xstormy16_splittable_below100_or_register,
7603         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
7604         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
7605         equality_operator, inequality_operator,
7606         xstormy16_below100_operand, xstormy16_below100_or_register,
7607         xstormy16_splittable_below100_or_register,
7608         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
7609         nonimmediate_nonstack_operand, shift_operator): Move to
7610         predicates.md.
7611         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
7612         * config/stormy16/stormy16.md: Include predicates.md.
7613         * config/stormy16/predicates.md: New.
7614
7615 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
7616
7617         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
7618         small_int, large_int, reg_or_0_operand, simple_memory_operand,
7619         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
7620         move_operand, power_of_2_operand): Move to predicates.md.
7621         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
7622         PREDICATE_CODE): Remove.
7623         * config/iq2000/iq2000.md: Include predicates.md.
7624         * config/iq2000/predicates.md: New.
7625
7626 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
7627
7628         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
7629         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
7630         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
7631         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
7632         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
7633         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
7634         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
7635         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
7636         (TARGET_M68HC11): Delete.
7637         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
7638         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
7639         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
7640         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
7641         (nb_soft_regs): Delete.
7642         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
7643         (m68hc11_override_options): Remove the code that caters for MASK_M6811
7644         and MASK_M6812 being set simultaneously.  Change the code that sets
7645         the default m68hc11_soft_reg_count to use integers instead of strings.
7646         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
7647         m68hc11_soft_reg_count (which now has an int type) as the number
7648         of soft registers.
7649         * config/m68hc11/m68hc11.opt: New file.
7650
7651 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
7652
7653         * config/fr30/fr30.h (PREDICATE_CODES): Remove
7654         fp_displacement_operand, sp_displacement_operand.
7655
7656         * config/m68hc11/m68hc11-protos.h: Add a prototype for
7657         m68hcc_auto_inc_p.
7658         Remove the prototypes for tst_operand, cmp_operand,
7659         stack_register_operand, d_register_operand,
7660         hard_addr_reg_operand, splitable_operand,
7661         m68hc11_logical_operator, m68hc11_arith_operator,
7662         m68hc11_non_shift_operator, m68hc11_shift_operator,
7663         m68hc11_unary_operator, m68hc11_eq_compare_operator,
7664         non_push_operand, hard_reg_operand, and
7665         reg_or_some_mem_operand.
7666         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
7667         extern.
7668         (tst_operand, cmp_operand, non_push_operand,
7669         splitable_operand, reg_or_some_mem_operand,
7670         stack_register_operand, d_register_operand,
7671         hard_addr_reg_operand, hard_reg_operand,
7672         m68hc11_eq_compare_operator, m68hc11_logical_operator,
7673         m68hc11_arith_operator, m68hc11_non_shift_operator,
7674         m68hc11_shift_operator, m68hc11_unary_operator): Move to
7675         predicates.md.
7676         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
7677         * config/m68hc11/m68hc11.md: Include predicates.md.
7678         * config/m68hc11/predicates.md: New.
7679
7680 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
7681
7682         PR debug/19345
7683         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
7684         change checked in along with 2005-03-03's patch for debug/20253.
7685         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
7686         (remap_decl): Insert type decl in map earlier.
7687
7688 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
7689
7690         PR tree-optimization/20640
7691         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
7692         post-dominator if it has phi nodes.
7693         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
7694         before dead statements.
7695
7696 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
7697
7698         PR middle-end/20491
7699         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
7700
7701 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
7702
7703         PR rtl-optimization/20290
7704         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
7705         in every iteration if the entry point is the exit test.
7706
7707 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
7708
7709         * config/cris/cris.md (attribute "length"): Define.
7710
7711 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
7712
7713         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
7714         (word_offset_memref_operand): New.
7715         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
7716         (indexed_or_indirect_operand): Delete.
7717         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
7718         (indexed_or_indirect_operand): Delete.
7719
7720         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
7721
7722         PR 20650
7723         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
7724         a register.
7725
7726         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
7727         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
7728
7729 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
7730
7731         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
7732
7733 2005-04-01  Ian Lance Taylor  <ian@airs.com>
7734
7735         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
7736         (rus, prus): Remove static variables.
7737         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
7738         (process_command): Permit report_times and use_pipes together.
7739
7740 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
7741
7742         * c-decl.c (validate_proto_after_old_defn): Look at
7743         TYPE_MAIN_VARIANT of argument types.
7744
7745 2005-04-01  Paul Brook  <paul@codesourcery.com>
7746
7747         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
7748         (arm_output_function_epilogue): Allow call_via_SP.
7749         (thumb_call_via_reg, arm_file_end): Ditto.
7750         * config/arm/arm.h (struct machine_function): Include space for SP.
7751         (thumb_call_via_label): Update declaration.
7752
7753 2005-04-01  Ian Lance Taylor  <ian@airs.com>
7754
7755         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
7756         doing a peephole optimization, once again put any notes in the
7757         proper position.
7758
7759 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
7760
7761         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
7762
7763 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
7764
7765         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
7766         (block_alloc, find_free_reg): Likewise.
7767         * loop-doloop.c (doloop_modify): Likewise.
7768         * loop-invariant.c (record_use): Likewise.
7769         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
7770         get_iv_value, canon_condition, eliminate_implied_condition,
7771         eliminate_implied_condition, simplify_using_initial_values,
7772         shorten_into_mode, canonicalize_iv_subregs,
7773         iv_number_of_iterations): Likewise.
7774         * loop-unroll.c (expand_var_during_unrolling): Likewise.
7775         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
7776         unswitch_loop): Likewise.
7777         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
7778         move_movables, replace_call_address, find_and_verify_loops,
7779         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
7780         record_giv, final_giv_value, general_induction_var,
7781         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
7782         loop_giv_dump): Likewise.
7783
7784         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
7785         GCOV_CHECK_WRITING): Remove.
7786         (gcov_position, gcov_rewrite): Use gcc_assert.
7787         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
7788         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
7789         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
7790         gcc_assert.
7791
7792 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
7793
7794         * tree-inline.c: Fix a typo.
7795
7796 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
7797
7798         * configure.ac (enable-checking): Explicitly set all variables for
7799         collective switch values.  Alphabetize variables. Rename
7800         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
7801         synonym for 'no'.
7802         * doc/install.texi (enable-checking): Update documentation.
7803         * configure: Rebuilt.
7804
7805 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
7806
7807         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
7808         possible.
7809
7810 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
7811
7812         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
7813         Also reject cases where this pattern will cause load delay stalls
7814         unless optimizing for size and it will produce a shorter sequence.
7815         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
7816         variants to avoid pre-adjusting the base when possible.
7817
7818 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
7819
7820         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
7821         the frame and argument pointers.
7822         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
7823         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
7824         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
7825         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
7826         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
7827         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
7828
7829 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
7830
7831         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
7832         with entry for selectany attribute.
7833         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
7834         Declare.
7835         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
7836         (i386_pe_asm_named_section): Handle sections generated by
7837         selectany attribute.
7838         * doc/extend.texi (selectany): Document attribute.
7839
7840 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
7841             Jan Hubicka  <jh@suse.cz>
7842
7843         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
7844         to fix addresses involving EBP and ESP.
7845         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
7846         for SUBREGed registers.
7847         (legitimate_address_p): Accept SUBREGed registers.
7848
7849 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
7850
7851         PR c++/19406
7852         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
7853         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
7854         for FIELD_DECLs.
7855
7856 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
7857
7858         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
7859
7860 2005-04-01  James E Wilson  <wilson@specifixinc.com>
7861
7862         PR c++/20505
7863         * dwarf2out.c (rtl_for_decl_init): New function.
7864         (rtl_for_decl_location): Extracted from here.
7865         (tree_add_const_value_attribute): Call rtl_for_decl_init and
7866         add_const_value_attribute.  Delete initializer_constant_valid_p call.
7867
7868 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
7869
7870         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
7871         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
7872         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
7873         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
7874         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
7875         config/i386/i386.md, config/rs6000/predicates.md,
7876         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
7877         config/s390/s390.c, config/stormy16/stormy16.c,
7878         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
7879         typos.
7880
7881 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
7882
7883         PR c/17855
7884         * gimplify.c (gimplify_expr): Create a temporary for lvalue
7885         COND_EXPR and CALL_EXPR.
7886
7887 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
7888
7889         PR target/20632
7890         * genautomata.c (first_cycle_unit_presence): Check all alternative
7891         states for unit presence.
7892
7893         * doc/md.texi: Remove remark about impossibility to query unit
7894         presence in non nondeterministic automaton state.
7895
7896         * config/ia64/ia64.c (get_template): Change order of unit querying.
7897
7898 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
7899
7900         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
7901         obsolete comment.
7902
7903 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
7904
7905         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
7906         flag for edges outside any loops.
7907
7908 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
7909
7910         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
7911
7912 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
7913
7914         * tree-ssa-alias.c: Follow spelling conventions.
7915         * doc/tree-ssa.texi: Fix a typo.
7916
7917 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
7918
7919         * postreload-gcse.c: Include target.h.
7920         (gcse_after_reload_main): Return early if we cannot modify jumps.
7921         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
7922
7923 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
7924
7925         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
7926         expensive operations.
7927
7928 2005-03-31  Ian Lance Taylor  <ian@airs.com>
7929
7930         * collect2.c (lderrout): New variable.
7931         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
7932         if it is set, to stderr.
7933         (handler): Unlink lderrout if it is set.
7934         (dump_file): Add "to" parameter.  Change all callers.
7935         (main): Initialize lderrout.
7936         (collect_execute): Add errname parameter.  Change all callers.
7937         Rename redir parameter to outname.  Never pass
7938         PEX_STDERR_TO_STDOUT to pex_run.
7939         * collect2.h (collect_execute, dump_file): Update declarations.
7940         * tlink.c (tlink_execute): Add errname parameter.  Change all
7941         callers.
7942         (do_tlink): Check lderrout as well as ldout.
7943
7944 2005-03-31  Caroline Tice  <ctice@apple.com>
7945
7946         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
7947         (bb-reorder.o): Add errors.h to list of requirements.
7948         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
7949         profiledbootstrap flags.
7950         * bb-reorder.c (errors.h): Add new include.
7951         (struct bbro_basic_block_data_def): Add new field, in_trace.
7952         (add_unlikely_executed_notes):  Remove function.
7953         (mark_bb_for_unlikely_executed_section): Remove function.
7954         (insert_section_boundary_note): New function.
7955         (verify_hot_cold_block_grouping): New function.
7956         (push_to_next_round_p): Remove variables and tests that push all
7957         cold blocks to last round.
7958         (find_traces): Remove code that added extra round of trace finding
7959         when doing partitioning.
7960         (find_traces_1_round) :  Remove variable last_round;  add code to
7961         update new struct field, in_trace; correct trace_length where it was
7962         incorrect before (after call to copy_bb); change code that pushed all
7963         cold blocks to last round. Instead verify that all blocks going into
7964         a trace belong in the same partition.
7965         (connect_traces): Modify to connect the traces in two passes, if the
7966         function contains both hot and cold blocks.  The first pass connects
7967         all the traces for blocks in the partition that the first block in
7968         the function belongs to; the second pass connnects all the traces
7969         containing blocks that belong in the other partition.
7970         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
7971         code that automatically put the first block in a function into the
7972         hot partition if the function had any hot blocks.
7973         (fix_crossing_unconditional_branches): Check number of succ edges
7974         before attempting to get one.
7975         (fix_edges_for_rarely_executed_code):  Update comment describing
7976         function.
7977         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
7978         remove call to add_unlikely_executed_notes; add call to
7979         verify_hot_cold_block_grouping.
7980         (duplicate_computed_gotos): Don't change computed goto if it's a
7981         crossing edge.
7982         (partition_hot_cold_basic_blocks):  Update function comment.
7983         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from
7984         condition.
7985         (try_forward_edges): Likewise.
7986         (merge_blocks_move_predecessor_nojumps): Likewise.
7987         (merge_blocks_move_successor_nojumps): Likewise.
7988         (merge_blocks_move): Likewise.
7989         (try_crossjump_bb): Likewise.
7990         * cfglayout.c (update_unlikely_executed_notes): Remove function.
7991         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
7992         notes to cold bb's; remove call to update_unlikely_executed_notes.
7993         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
7994         NOTE_INSN_SWITCH_TEXT_SECTIONS.
7995         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
7996         function declaration.
7997         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
7998         from consideration.
7999         (rtl_can_merge_blocks): Remove redundancy from condition.
8000         (try_redirect_by_replacing_jump): Likewise.
8001         (force_nonfallthru_and_redirect): Remove code for adding
8002         UNLIKELY_EXECUTED_CODE notes to cold bb's.
8003         (commit_one_edge_insertion): Likewise.
8004         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
8005         * dbxout.c (FORCE_TEXT): Replace function_section with
8006         current_function_section.
8007         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
8008         function, switch_text_section.
8009         (struct xcoff_debug): Likewise.
8010         (dbxout_function_end): Add code to put out label diffs for both
8011         hot and cold sections.
8012         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
8013         for new debug_hooks funciton, switch_text_section..
8014         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
8015         switch_text_section.
8016         * dwarf2out.c (struct dw_fde_struct):  Add five new fields:
8017         dw_fde_hot_section_label, dw_fde_hot_section_end_label,
8018         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and
8019         dw_fde_switched_sections.
8020         (output_call_frame_info):  Add test to see if function switches text
8021         sections in the middle; if so, use appropriate extra hot and cold
8022         section labels to compute size deltas for the hot and cold sections.
8023         (dwarf2out_begin_prologue): Add code to initialize new fields in
8024         dw_fde_struct.
8025         (dwarf2out_switch_text_section): New function (invoked through
8026         debug_hook); updates new fields in dw_fde_struct appropriately and
8027         increments separate_line_info_table_in_use.
8028         (dwarf2_debug_hooks): Initialize switch_text_section function to be
8029         dwarf2out_switch_text_section.
8030         (struct var_loc_node): Add new field, section_label.
8031         (output_aranges): Add code to check whether in hot or cold section and
8032         use the appropriate label in calculating deltas.
8033         (output_ranges): Likewise.
8034         (output_line_info): Add code to check which section we're in and
8035         use appropriate hot/cold label.
8036         (add_location_or_constant_value_attribute): Likewise.
8037         (gen_subprogam_die): Modify arange attributes to use correct labels.
8038         (dwarf2out_begin_block): Change call to function_section into call to
8039         current_function_section.
8040         (dwarf2out_end_block): Likewise.
8041         (dwarf2out_source_line): Likewise.
8042         (dwarf2out_var_location): Add code to check whether in hot or cold
8043         section and use the appropriate label.
8044         * except.c (output_function_exception_table): Change call to
8045         function_section into call to current_function_section.
8046         * final.c (profile_function): Likewise.
8047         (scan_ahead_for_unlikely_executed_note): Remove function.
8048         (final_scan_insn):  Remove calls to
8049         scan_ahead_for_unlikely_executed_note, and related code for switching
8050         to cold section, except for the single time
8051         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to
8052         debug_hooks->switch_text_sections; replace appropriate calls to
8053         function_section with calls to current_function_section.
8054         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add
8055         test_bb to condition.
8056         (find_if_case_2): Likewise.
8057         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
8058         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
8059         * opts.c (decode_options): Change warning about hot/cold partitioning
8060         with exceptionss to inform (so as not to cause bootstrap failures);
8061         remove warning about partitioning with DWARF debug info.
8062         * output.h (current_function_section): Add new function decl.
8063         (insert_section_boundary_note): Likewise.
8064         (enum in_section): Move this declaration here from varasm.c.
8065         (unlikely_section_label): Likewise.
8066         (unlikely_text_section_name): Likewise.
8067         (last_text_section_name): New global variable.
8068         (last_text_section): Likewise.
8069         (hot_section_label): Likewise.
8070         (hot_section_end_label): Likewise.
8071         (cold_section_end_label): Likewise.
8072         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
8073         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
8074         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
8075         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note
8076         insn from consideration.
8077         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function,
8078         switch_text_section.
8079         * varasm.c (basic-block.h): Add new include.
8080         (unlikely_section_label_printed): Remove global variable.
8081         (unlikely_section_label): Make global variable not be static any more.
8082         (unlikely_text_section_name): Likewise.
8083         (hot_section_end_label): New global variable (not static)
8084         (first_function_block_is_cold): Likewise.
8085         (hot_section_label): Likewise.
8086         (cold_section_end_label): Likewise..
8087         (last_text_section): New global variable, not static.
8088         (last_text_section_name): New global variable, not static.
8089         (initialize_cold_section_name): New function.
8090         (enum in_section): Move declaration to output.h.
8091         (text_section): Update last_text_section.
8092         (unlikely_text_section): Replace code to determine cold section name
8093         with call to initialize_cold_section_name; Add code to update
8094         last_text_section; remove code for printing out label.
8095         (named_section_real): Add code to update last_text_section and
8096         last_text_section_name as appropriate.
8097         (function_section): Change test for 'unlikely' to depend on
8098         first_function_block_is_cold (moved old test to
8099         current_function_section).
8100         (current_function_section): New function.
8101         (assemble_start_function): Move code that frees
8102         unlikely_text_section_name; initialize hot_section_end_label;
8103         print hot and cold section labels at the start of the function;
8104         set first_function_block_is_cold, if appropriate; initialize l
8105         ast_text_section; add call to insert_section_boundary_note.
8106         (assemble_end_function):  Add code to write out hot and cold section
8107         end labels.
8108         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
8109         switch_text_section.
8110         * config/darwin.c (machopic_select_section): Replace incorrect
8111         function in base_funs; update reloc for cold sections if necessary.
8112         * config/darwin.h (SECTION_FUNCTION):  Add code to update
8113         last_text_section if appropriate.
8114         (text_unlikely_section): Remove.
8115         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
8116         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
8117         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
8118         partitioning for this architecture.
8119
8120 2005-03-31  Olivier Hainque  <hainque@adacore.com>
8121
8122         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
8123         defined and non-zero.
8124
8125 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
8126
8127         PR c++/18644
8128         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
8129         semantics.
8130
8131 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
8132
8133         PR target/20611
8134         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
8135         label operand.  Remove (use (unspec..)).  Don't emit a label on
8136         the offset word.
8137         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
8138         generate inline label for load_toc_v4_PIC_1b.
8139         (rs6000_emit_load_toc_table): Likewise.
8140
8141 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
8142
8143         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
8144         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
8145
8146 2005-03-29  Devang Patel  <dpatel@apple.com>
8147
8148         * tree-sra.c (decide_block_copy): Disable scalarization of
8149         sub-elements.
8150
8151 2005-03-30  Stuart Hastings  <stuart@apple.com>
8152             Dale Johannesen  <dalej@apple.com>
8153
8154         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
8155         * print-tree.c (print_node):  Add case STATEMENT_LIST.
8156
8157 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
8158
8159         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
8160         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
8161         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
8162         is given with "powerpc64*" or "all", or when --with-cpu chooses
8163         a 64-bit cpu.
8164
8165 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
8166
8167         PR debug/20268
8168         * dwarf2out.c (add_high_low_attributes): New function, extracted from
8169         gen_lexical_block_die.
8170         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
8171
8172 2005-03-31  Jan Hubicka  <jh@suse.cz>
8173
8174         2004-11-02  Jan Hubicka  <jh@suse.cz>
8175
8176         * cgraph.c (cgraph_varpool_node_name): New function.
8177         (dump_cgraph_varpool_node): New function.
8178         (dump_varpool): New function.
8179         * cgraphunit.c (cgraph_optimize): Dump varpool.
8180
8181         2004-10-16  Jan Hubicka  <jh@suse.cz>
8182
8183         * cgraph.c (decide_is_variable_needed): New function.
8184         (cgraph_varpool_finalize_decl): Use it.
8185         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
8186         unit-at-a-time.
8187         * final.c (output_addr_const): Do not call mark_referenced.
8188         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
8189         always go via cgraph.
8190         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
8191         (check_global_declarations): Ifdef out code clearing DECL_RTL.
8192         * tree-optimize.c (execute_inline): Mark functions called.
8193         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
8194
8195         2004-10-11  Jan Hubicka  <jh@suse.cz>
8196
8197         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
8198         (cgraph_varpool_last_needed_node): New static variable.
8199         (enqueue_needed_varpool_node): Break out from ...; add items to the
8200         end of queue; update first pointers.
8201         (cgraph_varpool_mark_needed_node): ... here.
8202         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
8203         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
8204         * cgraph.h (cgraph_varpool_node): Add analyzed field.
8205         (cgraph_varpool_first_unanalyzed_node): Declare.
8206         * cgraphunit.c: Include output.h.
8207         (cgraph_varpool_analyze_pending_decls): New function.
8208         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
8209         for errors, analyze pending decls.
8210         (cgraph_finalize_compilation_unit): Only analyze decls.
8211         (cgraph_optimize): Assemble the decls after expanding.
8212
8213 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
8214
8215         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
8216         subvars get marked properly in tags for grouping.
8217         (add_pointed_to_var): Mark only actual pointed to
8218         variables/subvars in addresses needed.
8219         (create_overlap_variables_for): Clear call clobbered on original
8220         variable.
8221         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
8222         addresable vars with subvars into list.
8223         * tree-ssa.c (verify_ssa_name): Verify original is not used where
8224         subvar should be.
8225
8226 2005-03-30  Richard Henderson  <rth@redhat.com>
8227
8228         * cgraph.h (struct cgraph_node): Add alias.
8229         * varasm.c (assemble_alias): Set it.
8230         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
8231         avoid calling cgraph_expand_function.
8232
8233 2005-03-30  Tom Tromey  <tromey@redhat.com>
8234
8235         * tree.def (FILE_TYPE): Removed.
8236         * typeclass.h (enum type_class): Removed file_type_class.
8237         * dwarf2out.c (is_base_type): Updated.
8238         (gen_type_die): Likewise.
8239         * dbxout.c (dbxout_type): Updated.
8240         * builtins.c (type_to_class): Updated.
8241         * tree.c (type_contains_placeholder_1): Updated.
8242         * config/sparc/sparc.c (sparc_type_code): Updated.
8243         * config/ia64/ia64.c (hfa_element_mode): Updated.
8244         * expr.c (count_type_elements): Updated.
8245         * stor-layout.c (layout_type): Updated.
8246         * tree-inline.c (remap_type): Updated.
8247         * tree-pretty-print.c (dump_generic_node): Updated.
8248
8249 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
8250
8251         * builtins.c (expand_builtin_powi): Fix mode of
8252         2nd argument to match int.
8253         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
8254         2nd argument type to int.
8255         * libgcc2.c: Change prototype of __powi* functions to use
8256         int.
8257
8258 2005-03-30  Dale Johannesen  <dalej@apple.com>
8259
8260         PR middle-end/19225
8261         * calls.c (expand_call):  Flush pending deferrals before
8262         throwing call.
8263
8264 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
8265
8266         PR c/772
8267         PR c/17913
8268         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
8269         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
8270         c_label_context, label_context_stack): New.
8271         * c-decl.c (define_label): Check for jumps into statement
8272         expressions.  Add label to list of defined labels.
8273         (start_function): Push context on label_context_stack.
8274         (finish_function): Pop context from label_context_stack.
8275         * c-typeck.c (label_context_stack): New.
8276         (c_finish_goto_label): Check for jumps into statement
8277         expressions.  Add label to list of jumped to labels.
8278         (struct c_switch): Add blocked_stmt_expr.
8279         (c_start_case): Initialize it.
8280         (do_case): Check it.
8281         (c_finish_case): Verify !blocked_stmt_expr.
8282         (c_begin_stmt_expr):  Push context on label_context_stack.
8283         Increment blocked_stmt_expr.  Mark labels jumped to from outside
8284         as undefinable.
8285         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
8286         defined in the statement expression and no longer jumpable to.
8287         Mark labels jumped to from just outside the statement expression
8288         as again definable.  Pop context from label_context_stack.
8289         * doc/extend.texi (Statement Exprs): Update.
8290
8291 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
8292
8293         PR c/20368
8294         * c-decl.c (start_function): Check for old_decl being
8295         error_mark_node.
8296
8297 2005-03-30  Ian Lance Taylor  <ian@airs.com>
8298
8299         * final.c (final): Remove prescan parameter.  Change all callers.
8300         (final_scan_insn): Remove prescan parameter.  Change all callers.
8301
8302 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
8303
8304         * tree-vectorizer.c: Fix comment typos.
8305
8306 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
8307
8308         * tree-scalar-evolution.c (instantiate_parameters_1): Return
8309         as soon as a chrec_dont_know is detected.
8310
8311 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
8312
8313         Merge from csl-arm-branch.
8314         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
8315
8316         * tlink.c (recompile_files): Do not assume that "rename" can
8317         overwrite an existing file.
8318
8319 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
8320
8321         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
8322         * gcc/configure: Regenerate.
8323
8324 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
8325
8326         * doc/install.texi: Update binutils requirement for powerpc*-linux.
8327
8328         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
8329
8330         * calls.c (struct arg_data): Update "partial" comment.
8331         (load_register_parameters): Update "nregs" comment.
8332
8333 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
8334
8335         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
8336         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
8337         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
8338         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
8339         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
8340         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
8341         than target_flags & 0.
8342         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
8343         (iq2000_arch, iq2000_parse_cpu): Delete.
8344         (TARGET_HANDLE_OPTION): Override default.
8345         (iq2000_handle_option): New function.
8346         (override_options): Remove -march= and -mcpu= handling.
8347         * config/iq2000/iq2000.opt: New file.
8348
8349 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
8350
8351         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
8352         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
8353         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
8354         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
8355         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
8356         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
8357         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
8358         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
8359         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
8360         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
8361         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
8362         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
8363         (c4x_rpts_cycles_string, c4x_cpu_version_string)
8364         (TARGET_OPTIONS): Delete.
8365         (c4x_rpts_cycles, c4x_cpu_version): Declare.
8366         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
8367         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
8368         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
8369         (c4x_cpu_version_string): Delete.
8370         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
8371         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
8372         equivalent -mcpu= option.
8373         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
8374         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
8375         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
8376         or clearing the appropriate MASK_* bit.
8377         (c4x_file_start): Use c4x_cpu_version.
8378         * config/c4x/c4x.opt: New file.
8379
8380 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
8381
8382         * doc/options.texi: Document the new MaskExists flag.
8383         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
8384         if the option has the MaskExists flag.
8385
8386 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
8387
8388         * opt-functions.awk (flag_set_p, test_flag): New functions.
8389         (switch_flags): Use them.
8390         * opth-gen.awk: Use flag_set_p to check for flags.
8391         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
8392
8393 2005-03-30  Ian Lance Taylor  <ian@airs.com>
8394
8395         * config.host (i[34567]86-*-mingw32*): Don't set
8396         host_can_use_collect2 to no.
8397
8398 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
8399
8400         PR target/20203
8401         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
8402         Remove convert_memory_address call duplicating that in memory_address.
8403
8404 2005-03-29  Richard Henderson  <rth@redhat.com>
8405
8406         PR c/20519
8407         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
8408         (build_compound_literal): Likewise.  Propagate decl type into the
8409         initializer.
8410         (finish_decl): Likewise.  Use new return value from complete_array_type
8411         for zero sized arrays.
8412         (complete_array_type): Move ...
8413         * c-common.c (complete_array_type): ... here.  Change first argument
8414         to pointer-to-type-node.  Consistently use sizetype for the index
8415         except for zero sized arrays.  Detect zero sized arrays for pedantic
8416         mode diagnostics.  Create a new type node instead of modifying the
8417         old node in place.
8418         * c-tree.h (complete_array_type): Move decl ...
8419         * c-common.h (complete_array_type): ... here.
8420
8421 2005-03-29  Richard Henderson  <rth@redhat.com>
8422
8423         PR tree-opt/19108
8424         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
8425
8426 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
8427
8428         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
8429         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
8430         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
8431         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
8432
8433 2005-03-29  Eric Christopher  <echristo@redhat.com>
8434
8435         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
8436         truthvalue conversion removal.
8437
8438 2005-03-29  Ian Lance Taylor  <ian@airs.com>
8439
8440         PR bootstrap/14316
8441         * collect2.c: Never include <vfork.h>.
8442         (VFORK_STRING, vfork): Don't define.
8443         (pid): Remove global variable.
8444         (handler): Call raise instead of kill (getpid(), ...).
8445         (collect_wait): Add pex parameter.  Change all callers.  Use
8446         pex_get_status rather than pwait.
8447         (do_wait): Add pex parameter.  Change all callers.
8448         (collect_execute): Return struct pex_obj * rather than void.  Use
8449         pex routines rather than pexecute.
8450         (fork_execute): Get pex_obj from collect_execute, and pass it to
8451         do_wait.
8452         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
8453         Only declare quit_handler if SIGQUIT is defined.
8454         (scan_libraries): Likewise.
8455         * collect2.h (collect_execute): Update declaration.
8456         (collect_wait): Update declaration.
8457         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
8458         pass it to collect_wait.
8459
8460 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
8461
8462         PR c/20672
8463         * c-parser.c (c_parser_compound_statement_nostart): Give error
8464         message for EOF instead of just setting parser->error.
8465
8466 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
8467
8468         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
8469         (slpeel_update_phi_nodes_for_guard1): New function.
8470         (slpeel_update_phi_nodes_for_guard2): New function.
8471         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
8472         of slpeel_update_phi_nodes_for_guard.
8473         (vectorize_loops): Remove call to loop_closed_rewrite.
8474         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
8475         assertion.
8476
8477 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
8478
8479         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
8480         (TARGET_LITTLE_ENDIAN): New macro.
8481         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
8482         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
8483         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
8484         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
8485         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
8486         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
8487         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
8488         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
8489         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
8490         (TARGET_OPTIONS): Delete.
8491         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
8492         (CACHE_FLUSH_TRAP): Turn into an integer.
8493         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
8494         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
8495         -mflush-trap is in use.
8496         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
8497         (m32r_cache_flush_trap_string): Delete.
8498         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
8499         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
8500         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
8501         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
8502         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
8503         -mmodel= and -msdata= handling from...
8504         (m32r_init): ...here.
8505         * config/m32r/m32r.opt: New file.
8506
8507 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
8508
8509         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
8510         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
8511         * tree-vect-analyze.c (vect_object_analysis): additional parm
8512         pass back a "struct ptr_info_def *" with the points-to info.
8513         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
8514         statement using info returned from vect_object_analysis.
8515         * tree-vect-transform.c (update_vuses_to_preheader): New function.
8516         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
8517         for virtual uses and defs when creating a replacement vector
8518         reference.  Call duplicate_ssa_name_ptr_info to define points-to
8519         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
8520         (vectorizable_store): copy_virtual_operands and update
8521         definition statements.
8522         (vectorizable_load): copy_virtual_operands.  Remove call to
8523         mark_call_clobbered_vars_to_rename for call to "const" builtin.
8524         * tree-vectorizer.c (vectorize_loops): Remove calls to
8525         rewrite_into_ssa and bitmap_clear (vars_to_rename).
8526         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
8527         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
8528         define macro STMT_VINFO_PTR_INFO for use in accessing.
8529         * tree.h add export of duplicate_ssa_name_ptr_info.
8530         * rs6000.c (altivec_init_builtins): Declare builtin function
8531         __builtin_altivec_mask_for_load to be "const".
8532
8533 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
8534
8535         PR middle-end/20622
8536         * cgraph.h (struct cgraph_varpool_node): Add alias field.
8537         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
8538         assemble_variable on aliases.
8539         * varasm.c (assemble_alias): Set node->alias.
8540         * toplev.c (wrapup_global_declarations): Don't call
8541         rest_of_decl_compilation on aliases again.
8542
8543 2005-03-29  Paul Brook  <paul@codesourcery.com>
8544
8545         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
8546         * config/arm/arm.c (arm_dbx_register_number): New function.
8547         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
8548
8549 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
8550
8551         PR middle-end/20263
8552         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
8553         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
8554
8555 2005-03-29  Dale Johannesen <dalej@apple.com>
8556
8557         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
8558         $(TREE_H) and $(COVERAGE_H).
8559         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
8560         * opts.c (common_handle_option): Enable tree-based value transforms.
8561         * toplev.c (process_options): Ditto.
8562         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
8563         refers to references to this type.
8564         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
8565         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
8566         for may_be_more, may_be_less.
8567         (rtl_gen_pow2_profiler): Adjust.
8568         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
8569         (rtl_gen_one_value_profiler): Adjust.
8570         (rtl_gen_const_delta_profiler): Adjust.
8571         * tree-profile.c (tree_gen_interval_profiler): Implement.
8572         (tree_gen_pow2_profiler): Ditto.
8573         (tree_gen_one_value_profiler): Ditto.
8574         (tree_profiling): New.
8575         (pass_tree_profile): Reference it.
8576         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
8577         tree.h, gcov-io.h.
8578         (insn_divmod_values_to_profile): Rename to
8579         rtl_divmod_values_to_profile. Adjust.
8580         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
8581         (insn_prefetch_values_to_profile): Adjust.
8582         (rtl_value_profile_transformations): Adjust.
8583         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
8584         (gen_mod_pow2): Rename to rtl_mod_pow2.
8585         (gen_mod_subtract): Rename to rtl_mod_subtract.
8586         (divmod_fixed_value_transform): Rename to
8587         rtl_divmod_fixed_value_transform.
8588         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
8589         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
8590         (rtl_find_values_to_profile): Adjust.
8591         (tree_value_profile_transformations): Implement.
8592         (tree_divmod_values_to_profile): New.
8593         (tree_values_to_profile): New.
8594         (tree_divmod_fixed_value): New.
8595         (tree_mod_pow2): New.
8596         (tree_mod_subtract): New.
8597         (tree_divmod_fixed_value_transform): New.
8598         (tree_mod_pow2_value_transform): New.
8599         (tree_mod_subtract_transform): New.
8600         (tree_find_values_to_profile): Implement.
8601         * profile.c (instrument_values):  Free histograms.
8602         (compute_value_histograms): Adjust. Implement tree version.
8603
8604 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
8605
8606         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
8607         * config/i386/i386.c (output_fix_trunc): Add new round_mode
8608         variable.  Output "fldcw" depending on round_mode.
8609         * config/i386/i386.md (UNSPEC_FIST): New.
8610         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
8611         New isns patterns to implement lrint and llrint built-ins as x87
8612         intrinsic function.
8613         (fistdi2, fist<mode>2 splitters): New splitters.
8614         (lrint<mode>2): New expanders.
8615
8616 2005-03-28  Ian Lance Taylor  <ian@airs.com>
8617
8618         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
8619         0 when calling final_scan_insn.
8620
8621 2005-03-28  Jan Hubicka  <jh@suse.cz>
8622
8623         PR middle-end/20635
8624         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
8625         as needed.
8626
8627         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
8628         types where possible.
8629
8630 2005-03-26  Per Bothner  <per@bothner.com>
8631
8632         Make -f[no-]show-column also control non-cpp diagnostics.
8633         * c.opt (fshow-column): Move option from here ...
8634         * common.opt (fshow-column): ... to here.
8635         * diagnostic.c (diagnostic_build_prefix): Only print column number
8636         if flag_show_column.
8637
8638 2005-03-27  Steven Bosscher  <stevenb@suse.de>
8639
8640         * vax-protos.h (vax_output_int_move, vax_output_int_add,
8641         vax_output_conditional_branch): New prototypes.
8642         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
8643         extracted from vax.md mov and add patterns.
8644         (vax_output_conditional_branch): New function to output conditional
8645         branch instructions.
8646         * vax.md: Use mode macros for arithmetic and mov patterns.
8647         Use code macros for the jump patterns.
8648
8649 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
8650
8651         * Makefile.in (libbackend.o): Depend on version files;
8652         add custom generation command.
8653
8654 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
8655
8656         PR target/20636
8657         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
8658         sure that we have a REG before getting its REGNO.
8659
8660 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8661
8662         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
8663         * builtins.def (BUILT_IN_STRNDUP): New.
8664
8665 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
8666
8667         PR tree-optimization/20470
8668         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
8669         ABS(x-y).
8670
8671 2005-03-25  Mike Stump  <mrs@apple.com>
8672
8673         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
8674         sized objects.
8675
8676 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
8677
8678         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
8679         Use our own structure definitions.
8680
8681         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
8682         (fix_truncdfsi2): Allow registers or memory as destination.
8683         When TARGET_PPC_GFXOPT, generate simplified pattern.
8684         (fix_truncdfsi2_internal): Use define_insn_and_split.
8685         (fix_truncdfsi2_internal_gfxopt): New.
8686         (fctiwz): Don't confuse register allocation by giving it no choices.
8687         (stfiwx): New.
8688         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
8689         (EXTRA_MEMORY_CONSTRAINT): Likewise.
8690         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
8691         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
8692
8693 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
8694
8695         * dominance.c (free_dominance_info): Speed up by freeing et
8696         data structures without maintaining other nodes.
8697         * et-forest.c (et_free_tree_force): New.
8698         * et-forest.h: Add a prototype for et_free_tree_force.
8699
8700         * tree.c (get_set_constructor_bits,
8701         get_set_constructor_bytes): Remove.
8702         * tree.h: Remove the corresponding prototypes.
8703
8704 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
8705
8706         PR target/15491
8707         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
8708         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
8709         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
8710         PRE_DEC, NEG and NOT.
8711
8712 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
8713
8714         * fold-const.c: Convert uses of fold (build (...)) to
8715         fold_buildN.
8716
8717 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
8718
8719         PR rtl-optimization/20249
8720         * cse.c (insert_regs): Do not record equivalence of registers in
8721         different modes.
8722
8723 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
8724
8725         * emit-rtl.c (reverse_comparison): Remove.
8726         * rtl.h: Remove the corresponding prototype.
8727
8728 2005-03-24  James E Wilson  <wilson@specifixinc.com>
8729
8730         * doc/install.texi (--enable-altivec): Delete docs.
8731
8732 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
8733
8734         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
8735         SFmode and DFmode before reload when
8736         flag_unsafe_math_optimizations not enabled.
8737
8738 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
8739
8740         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
8741
8742         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
8743         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
8744
8745 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
8746
8747         * configure.ac (enable-checking): Add 'runtime' option.
8748         * doc/install.texi (enable-checking): Document 'runtime' checking.
8749         * tsystem.h (gcc_assert, gcc_unreachable): Define.
8750         * config.in: Regenerated.
8751         * configure: Regenerated.
8752
8753 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
8754
8755         * optabs.h (enum optab_index): Remove OTI_llrint.
8756         (llrint_optab): Remove macro.
8757         * optabs.c (init_optabs): Remove llrint_optab initialization.
8758         * genopinit.c (optabs): Remove llrint_optab implementation.
8759         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
8760         using lrint_optab.
8761
8762 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
8763
8764         PR rtl-optimization/20532
8765         * simplify-rtx.c (simplify_binary_operation_1): Protect from
8766         overflow when adding coefficients for PLUS or MINUS.
8767         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
8768         two as multiplier.
8769
8770 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
8771
8772         * langhooks.h (truthvalue_conversion): Remove.
8773         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
8774         LANG_HOOKS_TRUTHVALUE_CONVERSION.
8775         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
8776         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
8777         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
8778
8779 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
8780
8781         * params.def: Fix a typo.
8782         * config/mips/mips.c: Follow the spelling convensions.
8783         * doc/invoke.texi: Fix typos.
8784
8785 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
8786
8787         Fix PR tree-optimization/20601
8788
8789         * tree-ssa-pre.c (insert_aux): Add missing condition to
8790         constification.
8791
8792 2005-03-23  Ian Lance Taylor  <ian@airs.com>
8793
8794         * final.c (final_scan_insn): Don't remove no-op instructions.
8795         * reload1.c (reload): Remove simple no-op instructions even when
8796         not optimizing.
8797
8798 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
8799
8800         PR tree-optimization/20501
8801         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
8802         reporting that peeling for alignment is applied moved to...
8803         * (vect_analyze_data_refs_alignment): Here.
8804
8805 2005-03-23  Ian Lance Taylor  <ian@airs.com>
8806
8807         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
8808
8809 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
8810
8811         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
8812         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
8813
8814 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
8815
8816         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
8817         imply that this is called once, independent of asms in code.
8818         Adjust to now being pased output and input lists.  Mention helper
8819         function decl_overlaps_hard_reg_set_p.
8820         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
8821         hook_tree_tree_identity and to take three trees, returning third.
8822         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
8823         prototype.
8824         * stmt.c: include hard-reg-set.h before tree.h.
8825         (decl_overlaps_hard_reg_set_p): New function, broken out from...
8826         (decl_conflicts_with_clobbers_p): Call
8827         decl_overlaps_hard_reg_set_p.
8828         (expand_asm_operands): Pass output and input lists in call to
8829         targetm.md_asm_clobbers.
8830         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
8831         hook_tree_tree_tree_tree_3rd_identity.
8832         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
8833         parameters.
8834         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
8835         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
8836         parameters, first two unused.
8837         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
8838         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
8839         in constraint letters and MOF is not mentioned as a asm-declared
8840         register in neither of the input and output lists.
8841
8842 2005-03-23  DJ Delorie  <dj@redhat.com>
8843
8844         * optabs.c (expand_binop): Make sure the first subword's result
8845         gets stored.
8846
8847 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
8848
8849         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
8850         Call c_common_truthvalue_conversion rather than
8851         lang_hooks.truthvalue_conversion.
8852         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
8853         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
8854         c-typeck.c.
8855         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
8856         c_common_truthvalue_conversion.
8857         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
8858         c_parser_conditional_expression, c_parser_binary_expression): Call
8859         c_objc_common_truthvalue_conversion.
8860         * c-typeck.c (build_unary_op): Call
8861         c_objc_common_truthvalue_conversion.
8862         (build_conditional_expr): Do not call
8863         lang_hooks.truthvalue_conversion.
8864         (build_binary_op): Call c_common_truthvalue_conversion.
8865         (c_objc_common_truthvalue_conversion): Moved from
8866         c-objc-common.c.  Call default_function_array_conversion instead
8867         of default_conversion.
8868
8869 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
8870
8871         * c-common.h (default_conversion): Remove.
8872         (perform_integral_promotions): Add.
8873         * c-tree.h (default_conversion): Add.
8874         * c-typeck.c (perform_integral_promotions): New, split out from
8875         default_conversion.
8876         * c-common.c (check_case_value): Use perform_integral_promotions,
8877         not default_conversion.
8878         (c_add_case_label): Don't continue processing case label after
8879         found to be pointer.
8880
8881 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
8882
8883         * gcc.c (do_spec_1): Do not add a -L path for a directory in
8884         the prefix list if we have already added a multilib directory
8885         based on that path.
8886         (main): Do not add MD_EXEC_PREFIX to the list of directories to
8887         search with -L.
8888
8889 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
8890
8891         * reload1.c (indirect_symref_ok, reload_obstack): Make them
8892         static.
8893         * reload.h: Remove the prototype for indirect_symref_ok.
8894
8895         * reload1.c (indirect_symref_ok): Make it global.
8896         * reload.h: Add a prototype for indirect_symref_ok.
8897
8898 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
8899
8900         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
8901         ashlhi3 expander.
8902
8903 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
8904
8905         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
8906
8907 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
8908
8909         * c-opts.c (c_common_parse_file): Only start/end main source file
8910         if debug hooks says the writer wants it.
8911         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
8912         member.
8913         (xcoff_debug_hooks): Ditto.
8914         * debug.c (do_nothing_hooks): Ditto.
8915         * debug.h (gcc_debug_hooks): Ditto.
8916         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
8917         * sdbout.c (sdb_debug_hooks): Ditto.
8918         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
8919
8920 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
8921
8922         * doc/extend.texi: Deprecate C++ min/max operators.
8923
8924 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
8925
8926         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
8927         artificial original candidates.
8928
8929 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
8930             Jan Hubicka  <jh@suse.cz>
8931             Steven Bosscher <stevenb@suse.de>
8932
8933         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
8934         call cost based on argument sizes.
8935         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
8936         inlining.
8937         * params.def: (max-inline-inssn-single): Set to 450.
8938         (max-inline-insns-auto): Set to 90.
8939         (max-inline-insns-recursive): Set to 450
8940         (max-inline-insns-recursive-auto): Set to 450.
8941         (large-function-insns): Set to 2700.
8942         (inline-call-cost): New parameter.
8943         * tree-inline.c (estimate_move_cost): New function.
8944         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
8945         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
8946         based on arguments.
8947         * tree-inline.h (estimate_move_cost): Declare.
8948         * invoke.texi: (max-inline-inssn-single): Change default to 450.
8949         (max-inline-insns-auto): Change default to 90.
8950         (max-inline-insns-recursive): Change default to 450
8951         (max-inline-insns-recursive-auto): Change default to 450.
8952         (large-function-insns): Change default to 2700.
8953         (inline-call-cost): Document new parameter.
8954
8955 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
8956
8957         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
8958         (TARGET_DEFAULT): Delete.
8959         * config/i860/i860.opt: New file.
8960
8961 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
8962
8963         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
8964         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
8965         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
8966         (frv_sched_lookahead): Delete.
8967         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
8968         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
8969         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
8970         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
8971         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
8972         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
8973         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
8974         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
8975         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
8976         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
8977         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
8978         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
8979         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
8980         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
8981         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
8982         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
8983         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
8984         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
8985         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
8986         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
8987         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
8988         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
8989         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
8990         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
8991         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
8992         (frv_sched_lookahead): Delete.
8993         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
8994         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
8995         (frv_handle_option): New function.  Move -mcpu= handling from...
8996         (frv_override_options): ...here.  Remove handling of other
8997         TARGET_OPTIONS.
8998         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
8999         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
9000         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
9001         and TARGET_NO_MULTI_CE.
9002         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
9003         !TARGET_VLIW_BRANCH.
9004         * config/frv/frv.opt: New file.
9005
9006 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
9007
9008         * fold-const.c (fold_ternary): Take decomposed arguments of
9009         CALL_EXPR.
9010         (fold): Update a call to fold_ternary.
9011
9012         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
9013         * tree.h: Add corresponding prototypes.
9014
9015 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
9016
9017         PR target/20561
9018         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
9019         between jump table and its label.
9020         * final.c (shorten_branches): Handle notes in between ADDR_VEC
9021         resp. ADDR_DIFF_VEC and the label preceeding it.
9022         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
9023         is emitted in the right section.
9024
9025 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
9026
9027         * fold-const.c (fold_unary, fold_binary): Update comments
9028         about arguments.
9029
9030 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
9031
9032         PR rtl-optimization/20527
9033         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
9034         REG_INC note, test that the register also isn't mentioned in PRED
9035         or SUCC.
9036
9037 2005-03-22  Ben Elliston  <bje@au.ibm.com>
9038
9039         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
9040         and definition.
9041
9042 2005-03-21  Mike Stump  <mrs@apple.com>
9043
9044         * varasm.c (default_assemble_visibility): Remove extra ().
9045
9046 2005-03-21  Roger Sayle  <roger@eyesopen.com>
9047
9048         PR middle-end/20557
9049         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
9050         to determine whether a block can be duplicated, rather than test
9051         whether the block contains noncopyable insns ourselves.
9052
9053 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
9054
9055         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
9056         predicates.
9057
9058 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
9059
9060         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
9061
9062 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
9063
9064         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
9065         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
9066         * config/fr30/fr30.opt: New file.
9067
9068 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
9069
9070         Fix PR tree-optimization/20542
9071
9072         * tree-flow-inline.h (overlap_subvar): Move to here.
9073         * tree-ssa-operands.c: From here.
9074         * tree-flow.h (overlap_subvar): Declare.
9075         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
9076         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
9077         for variables with subvars.
9078
9079 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
9080
9081         PR middle-end/20177
9082         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
9083         * modulo-sched.c (const_iteration_count): Return on NULL
9084         pre-header.
9085         (print_node_sched_params): Return on NULL dump_file.
9086         (generate_reg_moves): Handle reg-anti dependencies and disregard
9087         closing branch when generating register moves.
9088         (sms_schedule): Mark the SMSed block dirty.
9089         * passes.c (rest_of_handle_sms): Call update_life_info for all
9090         basic-blocks.
9091         * testsuite/gcc.dg/20050321-1.c: New test.
9092
9093 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
9094
9095         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
9096         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
9097         movqi_internal): Likewise.
9098
9099 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
9100
9101         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
9102         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
9103         xtensa_b4const): Delete prototypes.
9104         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
9105         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
9106         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
9107         xtensa_extra_constraint): New prototypes.
9108         (add_operand, arith_operand, nonimmed_operand, mem_operand,
9109         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
9110         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
9111         move_operand, const_float_1_operand, fpmem_offset_operand,
9112         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
9113         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
9114         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
9115         argument type to HOST_WIDE_INT.
9116         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
9117         xtensa_mask_immediate): Likewise.
9118         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
9119         Likewise.  Also make these functions static.
9120         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
9121         (xtensa_const_ok_for_letter_p): New.
9122         (add_operand, arith_operand, nonimmed_operand, mem_operand,
9123         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
9124         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
9125         move_operand, const_float_1_operand, fpmem_offset_operand,
9126         branch_operator, ubranch_operator, boolean_operator): Move to
9127         predicates.md.
9128         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
9129         (xtensa_mem_offset): Change return type to bool.
9130         (xtensa_extra_constraint): New.
9131         (gen_int_relational): Update type of const_range_p function pointer.
9132         Use xtensa_b4const_or_zero.
9133         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
9134         xtensa_const_ok_for_letter_p.  Update comments.
9135         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
9136         (PREDICATE_CODES): Delete.
9137         * config/xtensa/xtensa.md: Include predicates.md.
9138         * config/xtensa/predicates.md: New file.
9139
9140 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
9141
9142         * config/v850/v850-protos.h: Remove the prototypes for
9143         reg_or_int9_operand, reg_or_const_operand,
9144         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
9145         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
9146         movsi_source_operand, power_of_two_operand,
9147         not_power_of_two_operand, special_symbolref_operand,
9148         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
9149         register_is_ok_for_epilogue.
9150         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
9151         reg_or_int9_operand, reg_or_const_operand,
9152         call_address_operand, special_symbolref_operand,
9153         movsi_source_operand, power_of_two_operand,
9154         not_power_of_two_operand, register_is_ok_for_epilogue,
9155         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
9156         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
9157         predicates.md.
9158         * config/v850/v850.h (PREDICATE_CODES): Remove.
9159         * config/v850/v850.md: Include predicates.md.
9160         * config/v850/predicates.md: New.
9161
9162 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
9163
9164         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
9165         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
9166         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
9167         (itoolsdir, itoolsdatadir): Move definition above new first use.
9168         (install-itoolsdirs): New rule.
9169         (install-mkheaders): Depend on install-itoolsdirs, not
9170         install-include-dir.
9171
9172 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
9173
9174         * tree-into-ssa.c: Remove obsolete comments.
9175
9176 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
9177
9178         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
9179         unrolling if -fpeel-loops is specified, too.
9180         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
9181         Remove superfluous check for flag_unroll_loops.
9182
9183 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
9184
9185         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
9186         (lrint_optab, llrint_optab): Define corresponding macros.
9187         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
9188         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
9189         pattern and llrint_optab using llrintdi2 patterns.
9190         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
9191         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
9192         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
9193         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
9194         flag_unsafe_math_optimizations is set.
9195
9196 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
9197
9198         * combine.c (combine_simplify_rtx, simplify_if_then_else,
9199         simplify_logical, if_then_else_cond, known_cond,
9200         simplify_comparison): Adjust calls to reverse_comparison.
9201         Don't use combine_reversed_comparison_code).
9202         (combine_reversed_comparison_code): Remove.
9203         (reversed_comparison): Using reversed_comparison_code, move it...
9204         * jump.c (reversed_comparison): ... here.
9205         * rtl.h (reversed_comparison): Add prototype.
9206
9207 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
9208
9209         * builtins.c (fold_builtin): Take decomposed arguments of
9210         CALL_EXPR.
9211         * fold-const.c (fold_ternary): Update a call to fold_builtin.
9212         * gimplify.c (gimplify_call_expr): Likewise.
9213         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
9214         * tree.h: Update the prototype of fold_builtin.
9215
9216 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
9217
9218         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
9219         * rtlhooks.c (gen_lowpart_no_emit_general): New.
9220         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
9221         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
9222         * simplify-rtx.c (simplify_binary_operation_1): Use it.
9223
9224 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
9225
9226         * builtins.c (fold_builtin_1): Take decomposed arguments of
9227         CALL_EXPR.
9228         (fold_builtin): Update a call to fold_builtin_1.
9229
9230 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
9231
9232         PR other/20564
9233         * gcov.c (output_lines): Only output function block summary when
9234         outputting branch information.
9235         * doc/gcov.texi: Document format of preamble and additional block
9236         information lines.
9237
9238 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
9239
9240         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
9241         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
9242         the defaults false if BITS_PER_UNIT != 8.
9243         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
9244         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
9245         than BITS_PER_UNIT != 8.
9246         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
9247         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
9248         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
9249         #undefs.
9250         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
9251         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
9252
9253 2005-03-20  Roger Sayle  <roger@eyesopen.com>
9254
9255         PR middle-end/20539
9256         * fold-const.c (fold_binary): Fix type mismatch between
9257         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
9258         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
9259         for non-truth-valued expressions.
9260
9261         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
9262         and FUNCTION_DECL in the main switch.
9263         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
9264         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
9265         we also need to convert their operands to match.
9266         <TRUTH_NOT_EXPR>: Likewise.
9267
9268 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
9269
9270         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
9271         diagnostic without checking whether an lvalue.
9272         * c-common.h (lvalue_p): Remove.
9273         (enum lvalue_use): Update comment.
9274         (lvalue_or_else): Replace by lvalue_error.
9275         * c-typeck.c (lvalue_p): Make static.
9276         (lvalue_or_else): New.  Call lvalue_error.
9277
9278 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
9279
9280         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
9281         (function_arg_advance): Use rs6000_parm_start.
9282         (function_arg, rs6000_arg_partial_bytes): Likewise.
9283
9284 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
9285
9286         * c-common.c (check_case_value): Adjust comment about stripping
9287         NOPs.
9288         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
9289         * c-typeck.c (default_conversion, convert_arguments,
9290         build_modify_expr, convert_for_assignment, store_init_value,
9291         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
9292         manually.  Remove inaccurate comments.
9293
9294 2005-03-20  Roger Sayle  <roger@eyesopen.com>
9295             Joseph S. Myers  <joseph@codesourcery.com>
9296
9297         * varasm.c (do_assemble_alias): Restore comment describing function.
9298         Annotate the target parameter as potentially unused.
9299
9300 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
9301
9302         PR target/18551
9303         * config/avr/avr.c (avr_output_function_prologue): Do not use
9304         current_function_name() in a label, use a local label instead.
9305
9306 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
9307
9308         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
9309         flag_finite_math_only, not flag_unsafe_math_optimizations.
9310
9311 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
9312
9313         * builtins.c (fold_builtin_1): Update a call to
9314         targetm.fold_builtin.
9315         * hooks.c (hook_tree_tree_bool_null): Rename to
9316         hook_tree_tree_tree_bool_null.  Take one more argument of type
9317         tree.
9318         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
9319         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
9320         hook_tree_tree_tree_bool_null.
9321         * target.h (gcc_target): Update the prototype of fold_builtin.
9322         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
9323         arguments of CALL_EXPR.
9324         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
9325         new prototype.
9326
9327 2005-03-20  Jan Hubicka  <jh@suse.cz>
9328
9329         * cgraph.h (cgraph_node): Add prev_clone pointer.
9330         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
9331         (cgraph_clone_node): Produce doubly linked chain.
9332
9333 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
9334
9335         * c-common.c (handle_aligned_attribute, check_function_sentinel,
9336         get_nonnull_operand, handle_sentinel_attribute,
9337         check_function_arguments_recurse): Do not strip NOPS from
9338         INTEGER_CSTs.
9339         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
9340         Likewise.
9341         * c-format.c (get_constant): Likewise.
9342         * c-parser.c (c_parser_postfix_expression): Likewise.
9343         * c-typeck.c (set_init_index): Likewise.
9344         (convert_arguments): Don't check for NOP_EXPR containing integer
9345         constant.
9346
9347 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
9348
9349         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
9350         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
9351         Take decomposed arguments of CALL_EXPR.
9352         (fold_builtin_1): Update calls to the functions mentioned
9353         above.
9354
9355 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
9356
9357         * c-decl.c (check_bitfield_type_and_width): Require bit-field
9358         width to have integer type.
9359         (build_enumerator): Require enumerator value to have integer type.
9360
9361 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
9362
9363         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
9364         to __builtin_inff.
9365
9366 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
9367
9368         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
9369         std=iso9899:199x): Correct descriptions.
9370
9371 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
9372
9373         * config.gcc: Consistently use solaris2.1[0-9]* instead of
9374         solaris2.1[0-9].
9375
9376 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
9377
9378         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
9379         of CALL_EXPR.
9380         (expand_builtin_memcpy, fold_builtin_1): Update calls to
9381         fold_builtin_memcpy.
9382
9383         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
9384         arguments of CALL_EXPR.
9385         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
9386         fold_builtin_found, fold_builtin_1): Update calls to
9387         fold_trunc_transparent_mathfn.
9388
9389 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9390
9391         PR middle-end/20493
9392         * fold-const.c (fold_widened_comparison): Don't optimize casts of
9393         function pointers on targets that require function pointer
9394         canonicalization.
9395         (fold_sign_changed_comparison): Likewise.
9396
9397 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
9398
9399         * combine.c (try_combine): When changing the mode of a hard reg, make
9400         sure that doing so is valid.
9401
9402 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
9403
9404         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
9405         (TARGET_HANDLE_OPTION): Override default.
9406         (avr_handle_option): New function.
9407         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
9408         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
9409         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
9410         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
9411         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
9412         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
9413         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
9414         (TARGET_OPTIONS): Delete.
9415         * config/avr/avr.opt: New file.
9416
9417 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
9418
9419         * config/m32r/m32r-protos.h: Remove the prototypes for
9420         call_address_operand, symbolic_operand, seth_add3_operand,
9421         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
9422         reg_or_uint16_operand, reg_or_cmp_int16_operand,
9423         two_insn_const_operand, move_src_operand,
9424         move_double_src_operand, move_dest_operand,
9425         eqne_comparison_operator, signed_comparison_operator,
9426         large_insn_p, conditional_move_operand, carry_compare_operand,
9427         m32r_block_immediate_operand, extend_operand,
9428         reg_or_eq_int16_operand, int8_operand, and
9429         reg_or_zero_operand.
9430         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
9431         seth_add3_operand, int8_operand, cmp_int16_operand,
9432         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
9433         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
9434         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
9435         move_double_src_operand, move_dest_operand,
9436         eqne_comparison_operator, signed_comparison_operator,
9437         extend_operand, small_insn_p, large_insn_p,
9438         conditional_move_operand, carry_compare_operand,
9439         m32r_block_immediate_operand): Move to predicates.md.
9440         (MAX_MOVE_BYTES): Move to m32r.h.
9441         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
9442         * config/m32r/m32r.md: Include predicates.md.
9443         * config/m32r/predicates.md: New.
9444
9445 2005-03-18  James E Wilson  <wilson@specifixinc.com>
9446
9447         PR c++/19769
9448         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
9449         origin.
9450
9451 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
9452
9453         * config/mn10300/mn10300-protos.h: Remove the prototypes for
9454         call_address_operand, const_8bit_operand.
9455         * config/mn10300/mn10300.c (call_address_operand,
9456         const_8bit_operand, const_1f_operand): Move to predicates.md.
9457         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
9458         * config/mn10300/mn10300.md: Include predicates.md.
9459         * config/mn10300/predicates.md: New.
9460
9461 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
9462
9463         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
9464         declarations in diagnostics and %E for identifiers, not %s.
9465
9466 2005-03-18  Jan Hubicka  <jh@suse.cz>
9467             Dale Johannesen  <dalej@apple.com>
9468
9469         * basic-block.h (scale_bbs_frequencies_int,
9470         scale_bbs_frequencies_gcov_type): Declare.
9471         * cfg.c (RDIV): New macro.
9472         (update_bb_frequency_for_threading): Fix.
9473         * basic-block.h (scale_bbs_frequencies_int,
9474         scale_bbs_frequencies_gcov_type): New.
9475         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
9476         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
9477         scale_bbs_frequencies_int.
9478         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
9479
9480 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
9481
9482         * config/m32r/m32r-protos.h: Remove the prototypes for
9483         call_address_operand, symbolic_operand, seth_add3_operand,
9484         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
9485         reg_or_uint16_operand, reg_or_cmp_int16_operand,
9486         two_insn_const_operand, move_src_operand,
9487         move_double_src_operand, move_dest_operand,
9488         eqne_comparison_operator, signed_comparison_operator,
9489         large_insn_p, conditional_move_operand, carry_compare_operand,
9490         m32r_block_immediate_operand, extend_operand,
9491         reg_or_eq_int16_operand, int8_operand, and
9492         reg_or_zero_operand.
9493         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
9494         seth_add3_operand, int8_operand, cmp_int16_operand,
9495         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
9496         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
9497         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
9498         move_double_src_operand, move_dest_operand,
9499         eqne_comparison_operator, signed_comparison_operator,
9500         extend_operand, small_insn_p, large_insn_p,
9501         conditional_move_operand, carry_compare_operand,
9502         m32r_block_immediate_operand): Move to predicates.md.
9503         (MAX_MOVE_BYTES): Move to m32r.h.
9504         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
9505         * config/m32r/m32r.md: Include predicates.md.
9506         * config/m32r/predicates.md: New.
9507
9508         * config/pa/pa-protos.h: Add prototypes for magic_milli and
9509         shadd_constant_p.
9510         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
9511         symbolic_operand, symbolic_memory_operand,
9512         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
9513         indexed_memory_operand, move_dest_operand, move_src_operand,
9514         prefetch_cc_operand, prefetch_nocc_operand,
9515         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
9516         arith_operand, arith11_operand, pre_cint_operand,
9517         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
9518         ireg_operand, int5_operand, uint5_operand, int11_operand,
9519         uint32_operand, arith5_operand, and_operand, ior_operand,
9520         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
9521         pc_or_label_operand, div_operand, plus_xor_ior_operator,
9522         shadd_operand, movb_comparison_operator,
9523         cmpib_comparison_operator): Move to predicates.md.
9524         (magic_milli, shadd_constant_p): Make it extern.
9525         * config/pa/pa.h (PREDICATE_CODES): Remove.
9526         * config/pa/pa.md: Include predicates.md.
9527         * config/pa/predicates.md: New.
9528
9529         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
9530         predicate.
9531
9532 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
9533
9534         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
9535         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
9536         config/alpha/freebsd.h, config/alpha/linux.h,
9537         config/alpha/netbsd.h, config/alpha/osf5.h,
9538         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
9539         config/h8300/h8300-protos.h, config/h8300/h8300.c,
9540         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
9541         doc/cppopts.texi: Update copyright.
9542
9543 2005-03-18  Jan Hubicka  <jh@suse.cz>
9544
9545         PR middle-end/20225
9546         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
9547         too late.
9548         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
9549         called too late.
9550
9551 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
9552
9553         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
9554         VEC_safe_push.
9555
9556 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
9557
9558         * combine.c (gen_binary): Remove.
9559         (known_cond, simplify_shift_const, find_split_point,
9560         combine_simplify_rtx, simplify_if_then_else, simplify_set,
9561         simplify_logical, expand_field_assignment, extract_left_shift,
9562         force_to_mode, if_then_else_cond, apply_distributive_law,
9563         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
9564         simplify_comparison, reversed_comparison): Replace with
9565         simplify_gen_binary, simplify_gen_relational or
9566         distribute_and_simplify_rtx.
9567         (distribute_and_simplify_rtx): New function.
9568
9569 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
9570             Paolo Bonzini  <gcc.gnu.org>
9571
9572         * calls.c (setjmp_call_p, special_function_p): Update comments
9573         at the head of the functions.
9574
9575 2005-03-18  Jan Hubicka  <jh@suse.cz>
9576
9577         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
9578
9579         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
9580         function body should be released; do not proactively release function
9581         bodies in non-unit-at-a-time mode.
9582
9583 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
9584
9585         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
9586         mno-fp-ret-in-387 multilib variants.
9587
9588 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
9589
9590         * common.opt (m): Remove.
9591         * opts.c (handle_option): Pass 'm' options to set_target_switch if
9592         table lookup fails.
9593         (common_handle_option): Remove OPT_m case.
9594
9595 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
9596
9597         * builtins.c (fold_builtin_bitop): Take decomposed arguments
9598         of CALL_EXPR.
9599         (fold_builtin_1): Update a call to fold_builtin_bitop.
9600
9601         * builtins.c (fold_builtin_signbit): Take decomposed arguments
9602         of CALL_EXPR.
9603         (fold_builtin_1): Update a call to fold_builtin_signbit.
9604
9605 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
9606
9607         PR tree-optimization/20474
9608         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
9609         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
9610
9611 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
9612
9613         * config/h8300/h8300-protos.h: Remove prototypes for
9614         general_operand_src, general_operand_dst, single_one_operand,
9615         single_zero_operand, call_insn_operand,
9616         two_insn_adds_subs_operand, small_call_insn_operand,
9617         jump_address_operand, bit_operand, bit_memory_operand,
9618         stack_pointer_operand, const_int_gt_2_operand,
9619         const_int_ge_8_operand, const_int_qi_operand,
9620         const_int_hi_operand, incdec_operand, bit_operator,
9621         nshift_operator, eqne_operator, gtle_operator,
9622         gtuleu_operator, iorxor_operator.
9623         Add prototypes for h8sx_shift_type h8sx_classify_shift and
9624         h8300_ldm_stm_parallel.
9625         * config/h8300/h8300.c (h8sx_shift_type,): Move to
9626         h8300-protos.h.
9627         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
9628         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
9629         (h8300_ldm_stm_parallel): Make it extern.
9630         (h8300_ldm_parallel, h8300_stm_parallel,
9631         h8300_return_parallel, general_operand_src,
9632         general_operand_dst, h8300_dst_operand, h8300_src_operand,
9633         nibble_operand, reg_or_nibble_operand, single_one_operand,
9634         single_zero_operand, call_insn_operand,
9635         two_insn_adds_subs_operand, small_call_insn_operand,
9636         jump_address_operand, bit_operand, bit_memory_operand,
9637         stack_pointer_operand, const_int_gt_2_operand,
9638         const_int_ge_8_operand, const_int_qi_operand,
9639         const_int_hi_operand, incdec_operand, eqne_operator,
9640         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
9641         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
9642         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
9643         nshift_operator): Move to predicates.md.
9644         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
9645         * config/h8300/h8300.md: Include predicates.md.
9646         * config/h8300/predicates.md: New.
9647
9648 2005-03-17  Richard Henderson  <rth@redhat.com>
9649
9650         * config.gcc (ia64*-*-hpux*): Add extra_options.
9651         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
9652         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
9653         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
9654         (ia64_tls_size_string, ia64_tune_string): Remove.
9655         (ia64_tune): Init to PROCESSOR_ITANIUM2.
9656         (TARGET_DEFAULT_TARGET_FLAGS): New.
9657         (TARGET_HANDLE_OPTION): New.
9658         (ia64_override_options): Move options parsing ...
9659         (ia64_handle_option): ... here.  New.
9660         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
9661         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
9662         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
9663         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
9664         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
9665         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
9666         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
9667         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
9668         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
9669         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
9670         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
9671         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
9672         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
9673         TARGET_EARLY_STOP_BITS): Remove.
9674         (TARGET_ILP32): Default false.
9675         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
9676         (enum ia64_inline_type): New.
9677         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
9678         * config/ia64/ia64.md: Update for new definitions of
9679         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
9680         * config/ia64/ia64.opt: New file.
9681         * config/ia64/ilp32.opt: New file.
9682
9683 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
9684
9685         PR target/18380
9686         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
9687
9688 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
9689
9690         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
9691         instead of MASK_H8300S.
9692         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
9693         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
9694         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
9695         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
9696         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
9697         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
9698         TARGET_SWITCHES): Remove.
9699         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
9700         TARGET_H8300SX.
9701         * config/h8300/h8300.opt: New.
9702
9703         * config/alpha/alpha.opt, config/arc/arc.opt,
9704         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
9705         notices.
9706
9707 2005-03-17  Ian Lance Taylor  <ian@airs.com>
9708
9709         * gmon.c: Remove.
9710
9711 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
9712
9713         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
9714         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
9715         (TARGET_HANDLE_OPTION): Override default.
9716         (arc_handle_option): New function.
9717         (arc_init): Remove code to set arch_cpu_string.
9718         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
9719         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
9720         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
9721         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
9722         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
9723         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
9724         (arc_rodata_string, TARGET_OPTIONS): Delete.
9725         * config/arc/arc.opt: New file.
9726
9727 2005-03-17  Richard Henderson  <rth@redhat.com>
9728
9729         * doc/extend.texi (Weak Pragmas): New section.
9730         (attribute alias): Clarify that target must be in the same
9731         translation unit.
9732
9733 2005-03-17  Richard Henderson  <rth@redhat.com>
9734
9735         * config/alpha/alpha.opt: New file.
9736         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
9737         of alpha_cpu.
9738         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
9739         alpha_fprm_string, alpha_fptm_string): Make static.
9740         (alpha_tls_size_string): Remove.
9741         (alpha_handle_option): New.
9742         (override_options): Update for alpha_cpu/alpha_tune split.
9743         (alpha_file_start): Likewise.
9744         (TARGET_DEFAULT_TARGET_FLAGS): New.
9745         (TARGET_HANDLE_OPTION): New.
9746         * config/alpha/alpha.h (alpha_tune): Declare.
9747         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
9748         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
9749         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
9750         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
9751         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
9752         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
9753         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
9754         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
9755         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
9756         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
9757         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
9758         (TARGET_DEFAULT): Remove MASK_FP.
9759         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
9760         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
9761         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
9762         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
9763         alpha_tls_size_string): Remove.
9764         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
9765         (attribute tune): Rename from attribute cpu.
9766         * config/alpha/ev4.md: Update to match.
9767         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
9768         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
9769         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
9770         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
9771         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
9772         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
9773
9774 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
9775
9776         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
9777         and return without creating new state if before_nops_num is nonzero.
9778         * config/ia64/ia64.md (first_insn): New attribute.
9779         (alloc): Set it to yes.
9780
9781 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
9782
9783         * tree-vectorizer.c (new_vec_stmt_info): Initialize
9784         STMT_VINFO_SUBVARS to NULL.
9785         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
9786
9787 2005-03-16 Dale Johannesen  <dalej@apple.com>
9788
9789         * rtlanal.c (find_first_parameter_load):  Rewrite to
9790         return actual first param load or the call if none,
9791         instead of first in block, when not all loads exist.
9792
9793 2005-03-16  Roger Sayle  <roger@eyesopen.com>
9794
9795         * optabs.c (expand_copysign_absneg): Make static.
9796         * optabs.h (expand_copysign_absneg): Delete prototype.
9797         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
9798
9799 2005-03-16  Richard Henderson  <rth@redhat.com>
9800
9801         PR middle-end/15700
9802         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
9803         (alias_pairs): Rename from output_defs.
9804         (find_decl_and_mark_needed): Split out from assemble_alias.
9805         (do_assemble_alias): New.
9806         (assemble_output_def): Remove.
9807         (finish_aliases_1, finish_aliases_2): New.
9808         (process_pending_assemble_output_defs): Remove.
9809         (assemble_alias): Defer aliases for which we don't yet have a
9810         non-external decl for the target symbol.
9811         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
9812         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
9813         * toplev.c (compile_file): Use finish_aliases_2 instead of
9814         process_pending_assemble_output_defs.
9815         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
9816         (process_pending_assemble_output_defs): Remove.
9817
9818 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
9819
9820         Fix PR tree-optimization/20489
9821
9822         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
9823         for empty structures.
9824
9825 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
9826
9827         Fix PR tree-optimization/20490
9828
9829         * tree-ssa-pre.c (create_expression_by_pieces): Use
9830         force_gimple_operand on result of fold.
9831
9832 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
9833
9834         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
9835         of closing parenthesis.
9836
9837 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
9838
9839         * builtins.c (expand_movstr): Update a call to
9840         fold_builtin_strcpy.
9841         (expand_builtin_strncpy): Update a call to
9842         fold_builtin_strncpy.
9843         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
9844         arguments of CALL_EXPR.
9845         (fold_builtin_1): Update calls to fold_builtin_strcpy and
9846         fold_builtin_strncpy.
9847         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
9848         * tree.h: Update the prototypes of fold_builtin_strcpy and
9849         fold_builtin_strncpy.
9850
9851 2005-03-16  Steven Bosscher  <stevenb@suse.de>
9852             Dorit Naishlos  <dorit@il.ibm.com>
9853
9854         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
9855         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
9856         error.
9857
9858 2005-03-16  Steven Bosscher  <stevenb@suse.de>
9859
9860         * tree-inline.c (walk_type_fields, walk_tree,
9861         walk_tree_without_duplicates): Move from here...
9862         * tree.c: ...to here.
9863
9864 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
9865
9866         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
9867         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
9868         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
9869         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
9870         (version): Define using $(BASEVER_c).
9871         (Makefile, config.status, build/gcov-iov.o): No longer depends on
9872         version.c.
9873         (version.o): Depend on version files; add custom generation command.
9874         (prefix.o): Define BASEVER on command line.
9875         (s-iov): Depend on version files; adjust command.
9876         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
9877         Add gcc-vers.texi.
9878         (gcc-vers.texi): New rule.
9879         (doc/%.info, doc/%.dvi): Add -I . to command line.
9880         (doc/gccinstall.dvi): Likewise.
9881         (PACKAGE): Delete.  All uses replaced with "gcc".
9882         * aclocal.m4: Do not include gcc-version.m4.
9883         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
9884         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
9885         Set is_release based on contents of DEV-PHASE.
9886         Set gcc_version based on contents of BASE-VER.
9887         Define WIN32_REGISTRY_KEY only if the user overrode the default.
9888         * config.in, configure: Regenerate.
9889         * gccbug.in: Determine version of GCC in use at runtime.
9890         * gcov-iov.c: Get version number and development phase from
9891         command line, not by including version.c.
9892         * intl.c: Replace all uses of PACKAGE with "gcc".
9893         * libada-mk.in: Delete unused "gcc_version" variable.
9894         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
9895         * version.c: (VERSUFFIX): New hook for redistributors; adjust
9896         commentary to match.
9897         (version_string): Put together from pieces.
9898         * config/alpha/x-vms: Do not use $(gcc_version).
9899         * config/i386/t-nwld: Likewise.
9900         * doc/include/gcc-common.texi: Include gcc-vers.texi for
9901         version-GCC and DEVELOPMENT.
9902
9903 2005-03-15  Roger Sayle  <roger@eyesopen.com>
9904
9905         PR tree-optimization/17454
9906         * tree.c (tree_size): Add case for TREE_BINFO.
9907         * fold-const.c (fold_checksum_tree): Only clear the overloaded
9908         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
9909
9910 2005-03-15  Roger Sayle  <roger@eyesopen.com>
9911
9912         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
9913         op1 whilst expanding the signed widenening multiply variant.
9914
9915 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
9916
9917         * toplev.c (display_target_options): Avoid unused variable warning if
9918         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
9919         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
9920         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
9921         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
9922         (mips_isa_info): New variable.
9923         (mips_parse_cpu): Remove the first argument and leave the caller
9924         to report errors.
9925         (TARGET_HANDLE_OPTION): Override default.
9926         (mips_handle_option): New function.  Move option validation code from...
9927         (override_options): ...here.  Update calls to mips_parse_cpu.
9928         * config/mips/mips.h (mips_arch_string, mips_tune_string)
9929         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
9930         (SUBTARGET_TARGET_OPTIONS): Delete.
9931         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
9932         (mno-flush-func, mtune=): New options.
9933
9934 2005-03-15  Roger Sayle  <roger@eyesopen.com>
9935             Richard Henderson  <rth@redhat.com>
9936
9937         * real.c (c4x_single_format, c4x_extended_format): Provide values
9938         for signbit_ro for c4x's single and extended floating point formats.
9939         * optabs.c (expand_copysign): Use the floating point format's
9940         signbit_ro for expanding via expand_copysign_absneg, and it's
9941         signbit_rw field for expanding via expand_copysign_bit.
9942
9943 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
9944
9945         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
9946         known_alignment_for_access_p.
9947         (known_alignment_for_access_p): New.
9948         (do_peeling_for_alignment): Field made int instead of bool and renamed
9949         to peeling_for_alignment.
9950         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
9951         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
9952         functionality used to be in vect_analyze_operations.
9953         (vect_analyze_operations): Code to determine vectorization factor was
9954         moved to vect_determine_vectorization_factor.
9955         (vect_enhance_data_refs_alignment): Update to correct alignment when it
9956         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
9957         factor.
9958         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
9959         be part of vect_analyze_operations).
9960         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
9961         creating the guard condition, as the number of iterations may be
9962         constant.
9963         (slpeel_tree_peel_loop_to_edge): Use new name of
9964         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
9965         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
9966         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
9967         (vect_do_peeling_for_alignment): Use fold.
9968         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
9969
9970         (vect_update_inits_of_dr): Renamed to
9971         vect_update_init_of_dr.
9972         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
9973         (vectorizable_store): Fix assertion to use == instead of =.
9974
9975 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
9976
9977         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
9978         call_used_regs for wCG registers.
9979
9980 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
9981
9982         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
9983         for non-offsettable memory references to cope with outstanding reload
9984         replacements, take 2.
9985
9986 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
9987
9988         PR target/18668
9989         * config/i386/i386.h (x86_fisttp): New.
9990         (TARGET_FISTTP): New macro.
9991         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
9992         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
9993         instruction when fisttp flag is set.
9994         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
9995
9996         * config/i386/i386.md (type attribute): Add fisttp.
9997         (unit attribute): Set to i387 for fisttp type.
9998         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
9999         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
10000         TARGET_FISTTP.
10001         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
10002         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
10003         macros.
10004         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
10005         patterns for TARGET_FISTTP.  Enable patterns for
10006         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
10007         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
10008         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
10009         implement fisttp x87 insn.
10010         (fix_trunc*_i387_fisttp splitters): New patterns.
10011         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
10012         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
10013         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
10014         clobber.
10015         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
10016         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
10017         Implement using mode macros. Disable patterns for TARGET_FISTTP.
10018         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
10019         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
10020         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
10021         Disable patterns for TARGET_FISTTP.
10022         (fix_trunc*_i387 splitters): Implement usign mode macros.
10023         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
10024         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
10025         (fix_trunx*_sse peephole2s): Implement using mode macros.
10026
10027 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
10028
10029         PR rtl-optimization/20291
10030         * combine.c (try_combine): If splitting fails, re-try with
10031         original combined pattern, i.e. before clobber stripping.
10032
10033 2005-03-14  Eric Christopher  <echristo@redhat.com>
10034
10035         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
10036         STACK_GROWS_DOWNWARD.
10037
10038 2005-03-14  Roger Sayle  <roger@eyesopen.com>
10039
10040         * real.h (struct real_format): Split the signbit field into two
10041         two fields, signbit_ro and signbit_rw.
10042         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
10043         mips_double_format, ieee_extended_motorola_format,
10044         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
10045         ieee_extended_intel_128_format, ibm_extended_format,
10046         mips_extended_format, ieee_quad_format, mips_quad_format,
10047         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
10048         i370_double_format, c4x_single_format, c4x_extended_format,
10049         real_internal_format): Update initializers for new field.
10050         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
10051         real_format structure.
10052         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
10053         field of the real_format structure.
10054
10055 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
10056
10057         Fix PR tree-optimization/20458
10058
10059         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
10060         DECL_EXTERNAL on STRUCT_FIELD tags.
10061         (clear_call_clobbered): Ditto.
10062         * tree-ssa-operands.c (note_addressable): Make sure the original
10063         variable doesn't slip into the addressable list if we have
10064         subvars.
10065         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
10066         tags too.
10067
10068 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
10069
10070         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
10071         (-fwide-exec-charset): Likewise.
10072         (-finput-charset): Likewise.
10073         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
10074         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
10075         * c.opt (Wnormalized): New.
10076
10077 2005-03-14  Devang Patel  <dpatel@apple.com>
10078
10079         * doc/invoke.texi: Add reference to Visibility document.
10080
10081 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
10082
10083         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
10084         MASK_SPLIT_ADDRESSES.
10085         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
10086         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
10087         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
10088         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
10089         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
10090         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
10091         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
10092         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
10093         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
10094         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
10095         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
10096         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
10097         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
10098         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
10099         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
10100         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
10101         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
10102         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
10103         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
10104         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
10105         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
10106         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
10107         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
10108         (TARGET_EXPLICIT_RELOCS): Delete.
10109         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
10110         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
10111         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
10112         (override_options): Set MASK_LONG64 if -mint64 is given and no
10113         -mlongXX option is.  Complain about -mint64 -mlong32.
10114         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
10115         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
10116         * config/mips/mips.opt: New file.
10117
10118 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
10119
10120         * config.gcc (extra_options): New variable for listing option files.
10121         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
10122         * configure.ac (extra_opt_files): New AC_SUBST variable.
10123         (tm_file_list, tm_include_list): Include options.h first.
10124         * configure: Regenerate.
10125         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
10126         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
10127         (s-options-h): New rule.
10128         (options.h): Depend on it.
10129         (TEXI_GCCINT_FILES): Add options.texi.
10130         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
10131         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
10132         * target.h (gcc_target): Add default_target_flags and handle_option.
10133         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
10134         (TARGET_HANDLE_OPTION): New macros.
10135         (TARGET_INITIALIZER): Include them.
10136         * opt-functions.awk (opt_args, nth_arg): New functions.
10137         (switch_flags): Handle the "Target" flag.
10138         (var_args): Delete.
10139         (var_name): Use opt_args and nth_arg.
10140         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
10141         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
10142         macros for the "Mask" and "InverseMask" options.
10143         * opts.h (cl_var_cond): New enum.
10144         (cl_option): Replace the "has_set_value" and "set_value" fields with
10145         "var_cond" and "var_value".
10146         (CL_TARGET): New macro.
10147         (option_enabled, print_filtered_help): Declare.
10148         (decode_options): Move definition.
10149         * opts.c (handle_option): Search for the original option before
10150         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
10151         var_cond and var_value fields.  Use targetm.handle_option to handle
10152         target options.
10153         (decode_options): Set target_flags to targetm.default_target_flags.
10154         (print_filtered_help): Make global.  Handle CL_TARGET.
10155         (option_enabled): New function.
10156         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
10157         (display_target_options, set_target_switch, print_switch_values)
10158         (default_pch_valid_p): Guard uses of target_switches with
10159         #ifdef TARGET_SWITCHES.  Also...
10160         (display_target_options): Display the CL_TARGET entries in cl_options.
10161         (set_target_option): Don't complain about the "" option when
10162         TARGET_SWITCHES is undefined.
10163         (print_switch_values): Use option_enabled.
10164         (default_pch_valid_p): Check cl_options[] when looking for something
10165         that has changed the value of target_flags.
10166         * c.opt: Remove documentation from top of file.
10167         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
10168         * doc/sourecebuild.texi: Refer to the new options documentation
10169         instead of c.opt.  Document machine-specific .opt files.
10170         * doc/tm.texi (target_flags): Say that this variable is declared
10171         by options.h.
10172         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
10173         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
10174         an alternative.
10175         * doc/options.texi: New file.
10176
10177 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
10178
10179         PR middle-end/18628
10180         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
10181         register.
10182
10183 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
10184
10185         PR c++/20280
10186         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
10187         temporary variable of pointer type if an lvalues is required.
10188         (gimplify_modify_expr_rhs): Request an rvalue from it.
10189         (gimplify_expr): Pass fallback on.
10190
10191 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
10192
10193         * cfgbuild.c: Update comments.
10194
10195 2005-03-14  Roger Sayle  <roger@eyesopen.com>
10196
10197         PR rtl-optimization/17236
10198         * optabs.c (expand_doubleword_mult): New helper function split out
10199         from expand_binop.  Permute the order in which instructions are
10200         emitted to minimize the number of simultaneously live registers.
10201         (expand_binop): Call expand_doubleword_mult to synthesize a double
10202         word multiplication.
10203
10204 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
10205
10206         * basic-block.h: Update the prototypes of cached_make_edge and
10207         rtl_make_eh_edge.
10208         * cfg.c (cached_make_edge): Take edge_cache representing one
10209         row of the adjacency matrix of edges.
10210         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
10211         (make_edges): Initialize edge_cache to represent one row of
10212         the adjacency matrix of edges.
10213
10214 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
10215
10216         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
10217         New functions.
10218         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
10219         Remove unused removed_phis variable.
10220         (conditional_replacement): Use build1/build2.
10221         (abs_replacement): Use last_and_only_stmt and build1/build2.
10222
10223 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
10224
10225         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
10226         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
10227         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
10228         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
10229         * c-common.c (handle_novops_attribute): New function.
10230         (c_common_attribute_table): Add "no vops" entry.
10231         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
10232         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
10233         * tree-ssa-operands.c (get_call_expr_operands): Do not
10234         create virtual operands for calls with ECF_NOVOPS flag.
10235         * tree.h (DECL_IS_NOVOPS): New macro.
10236         (struct tree_decl): Add novops_flag.
10237         (ECF_NOVOPS): New constant.
10238
10239 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
10240
10241         PR target/17688
10242         * config/i386/i386.c (x86_use_himode_fiop): New.
10243         (x86_use_simode_fiop): Rename from x86_use_fiop.
10244         * config/i386/i386.h (x86_use_himode_fiop): Declare.
10245         (TARGET_USE_HIMODE_FIOP): New.
10246         (x86_use_simode_fiop): Rename from x86_use_fiop.
10247         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
10248
10249         * config/i386/i386.md (X87MODEI12): New mode macro define.
10250         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
10251         to implement x87 FP compare with HImode input operands.
10252         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
10253         Use X87MODEI12 mode macro to handle HImode input operands.
10254         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
10255         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
10256         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
10257         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
10258         macro to implement x87 operators with HImode input operands.
10259         (fop splitters): Use X87MODEI12 mode macro to handle HImode
10260         input operands.
10261
10262 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
10263
10264         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
10265         integer_zerop.
10266         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
10267         constants invariant.
10268
10269 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
10270
10271         * basic-block.h (BB_VISITED): Removed.
10272         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
10273
10274 2005-03-14  Falk Hueffner  <falk@debian.org>
10275
10276         PR bootstrap/20424
10277         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
10278
10279 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
10280
10281         * ggc-zone.c: Fix comment typos.
10282
10283         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
10284         stringpool.c, config/mips/mips-protos.h: Update copyright.
10285
10286 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
10287
10288         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
10289         throughout with its typedef, "rtx".
10290         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
10291         (rs6000_tls_symbol_ref_1): Remove inline keyword.
10292         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
10293         regs in comment to match code.
10294
10295 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
10296
10297         * except.c (check_handled): Make it static.
10298         * except.h: Remove the corresponding prototype.
10299
10300         * function.c (get_func_frame_size): Make it static.
10301         * function.h: Remove the corresponding type.
10302
10303         * regclass.c (reg_class_superclasses, reg_class_subclasses):
10304         Make them static.
10305         * hard-reg-set.h: Remove the corresponding declarations.
10306
10307         * tree-cfg.c (verify_stmts): Check that
10308         bb_for_stmt (stmt) == bb for every PHI node and statement.
10309
10310 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
10311
10312         * config.gcc: Remove excess indentation.
10313         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
10314
10315 2005-03-13  Roger Sayle  <roger@eyesopen.com>
10316
10317         PR middle-end/19331
10318         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
10319         * fold-const.c (fold_sign_changed_comparison): Likewise.
10320         (fold_binary): Optimize comparisons against widened operands if
10321         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
10322
10323 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
10324
10325         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
10326         (sparc_override_options): Initialize it.
10327         (sparc_struct_value_rtx): Set it on the MEM to be returned.
10328
10329 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
10330
10331         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
10332         (reg_or_none500mem_operand): New predicate.
10333         (zero_reg_mem_operand): New predicate.
10334         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
10335         to reg_or_none500mem_operand.
10336         (extendsfdf2_fpr): Add MEM alternative.
10337         (extenddftf2_internal): Change operand2 predicate to
10338         zero_reg_mem_operand.
10339
10340 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
10341
10342         * ggc-zone.c: Rewritten.
10343
10344         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
10345         if there are none.
10346         * configure.ac: Define GGC_ZONE for --with-gc=zone.
10347         * config.in: Regenerated.
10348         * configure: Regenerated.
10349         * gengtype.c (write_types_process_field, write_func_for_structure):
10350         Pass new argument to gt_pch_note_object.
10351         * ggc-common.c (struct ptr_data): Add TYPE.
10352         (gt_pch_note_object): Take TYPE argument and save it.
10353         (call_count): Update call to ggc_pch_count_object.
10354         (call_alloc): Update call to ggc_pch_alloc_object.
10355         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
10356         file.
10357         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
10358         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
10359         (ggc_alloc_zone_stat): Delete.
10360         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
10361         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
10362         (ggc_pch_alloc_object): Update prototypes.
10363         (garbage_zone): Delete.
10364         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
10365         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
10366         pointers.
10367         (tree_id_zone): New variable.
10368         (ggc_alloc_cleared_zone): Remove unused.
10369         (ggc_alloc_zone): Define.
10370         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
10371         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
10372         ggc_alloc_zone_stat.
10373         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
10374         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
10375         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
10376         (make_node_stat): Likewise.  Use tree_id_zone.
10377
10378 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
10379             Joseph S. Myers  <joseph@codesourcery.com>
10380
10381         * configure.ac: Check for MIPS TLS.
10382         * configure: Regenerated.
10383         * config/mips/mips-protos.h (enum mips_symbol_type): Add
10384         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
10385         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
10386         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
10387         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
10388         (mips_classify_symbol, mips_symbolic_constant_p)
10389         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
10390         (mips_tls_operand_p, mips_call_tls_get_addr)
10391         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
10392         (mips_tls_symbol_ref_1): New functions.
10393         (mips_legitimize_address, mips_legitimize_const_move): Call
10394         mips_legitimize_tls_address.
10395         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
10396         for MIPS16.
10397         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
10398         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
10399         (mips_char_to_class): Document V1_REG.
10400         (HAVE_AS_TLS): Provide default.
10401         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
10402         constants.
10403         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
10404         !TARGET_ABICALLS.
10405         (tls_get_tp_<mode>): New instruction.
10406
10407 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
10408
10409         * configure.ac: Update checks for target tools.
10410         * configure: Regenerated.
10411
10412 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
10413
10414         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
10415
10416 2005-03-13  Roger Sayle  <roger@eyesopen.com>
10417
10418         * expmed.c (expand_mult): Use synthetic multiplication sequences for
10419         more classes of DImode multiplication by constant.  Allow both
10420         multiplication by small negative constants (by performing a
10421         multiplication by a positive constant and negating the result) and
10422         multiplications by large powers of two, by using a left shift.
10423
10424 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
10425
10426         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
10427         of basic blocks into work_stack.
10428
10429         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
10430         config/mips/vr.h: Update copyright.
10431
10432         * c-decl.c (c_init_decl_processing): Remove useless calls to
10433         build_function_type.
10434
10435         * builtins.c (fold_trunc_transparent_mathfn,
10436         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
10437         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
10438         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
10439         fold_builtin_strcpy, fold_builtin_strncpy,
10440         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
10441         TREE_TYPE (exp).
10442
10443         * builtins.c (expand_builtin_mathfn_3): Remove local variable
10444         before_call.
10445
10446         * lambda-code.c (lambda_compute_auxillary_space): Remove local
10447         variable determinant.
10448
10449         * tree-cfg.c (group_case_labels): Remove local variable type.
10450
10451         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
10452         variable ann.
10453
10454         * tree-ssa-phiopt.c (value_replacement): Remove local variable
10455         result.
10456
10457 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
10458
10459         PR target/18251
10460         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
10461         (*movmemqi_insn): Delete.
10462         (*movmemhi): Delete.
10463
10464 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
10465
10466         * builtins.c (fold_builtin_classify): Take decomposed
10467         arguments of CALL_EXPR.
10468         (fold_builtin_1): Update a call to fold_builtin_classify.
10469
10470 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
10471
10472         PR c/20402
10473         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
10474         through into call to parser_xref_tag after parse error.
10475         (c_parser_struct_declaration): Consistently return NULL_TREE on
10476         error.
10477
10478 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
10479
10480         * tree-flow-inline.h (ref_contains_array_ref): New function.
10481         (lookup_subvars_for_var): Ditto.
10482         (get_subvars_for_var): Ditto.
10483         (var_can_have_subvars): Ditto.
10484
10485         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
10486         (struct subvar): New type.
10487
10488         * tree-dfa.c (okay_component_ref_for_subvars): New function.
10489
10490         * tree-optimize.c (init_tree_optimization_passes): Call
10491         pass_create_structure_vars.
10492
10493         * tree-ssa-alias.c: Include vec.h.
10494         (init_alias_info): Don't auto-clear call clobbered on struct-field
10495         tags.
10496         (compute_flow_insensitive_aliasing): Handle subvars.
10497         (group_aliases): Handle STRUCT_FIELD aliases.
10498         (setup_pointers_and_addressables): Ditto.
10499         Don't mark variables non-addressable if they still have
10500         addressable subvars.
10501         Also mark subvars addressable when the real variable is marked
10502         addressable.
10503         (add_pointed_to_var): Try to prune the pointed-to set by only
10504         pointing to subvars when possible.
10505         Otherwise, make sure we set addresses_needed and pt_vars to
10506         properly include subvars.
10507         (bitpos_of_field): New function.
10508         (push_fields_onto_fieldstack): Ditto.
10509         (get_or_create_used_part_for): Ditto.
10510         (create_overlap_variables_for): Ditto.
10511         (find_used_portions): Ditto.
10512         (create_structure_vars): Ditto.
10513         (pass_create_structure_vars): New structure.
10514
10515         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
10516         (get_expr_operands): Handle subvars.  Also try to turn
10517         COMPONENT_REF accesses into must-defs now that we can accurately
10518         portray it.
10519         (note_addressable): Try to only mark as addressable those subvars
10520         we know a COMPONENT_REF touches.
10521         (overlap_subvar): New function.
10522
10523         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
10524         Handle subvar storing.
10525         (vect_address_analysis): Update caller of vect_object_analysis.
10526
10527         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
10528
10529         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
10530         (STMT_VINFO_SUBVARS): New macro.
10531
10532         * common.opts: add flag_tree_salias.
10533
10534         * opts.c (decode_options): flag_tree_salias defaults to on.
10535
10536         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
10537
10538         * doc/tree-ssa.texi: Document structural alias analysis.
10539
10540 2005-03-12  Steven Bosscher  <stevenb@suse.de>
10541
10542         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
10543         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
10544         * tree-ssa-operands.c (get_expr_operands): Likewise.
10545         (get_expr_operands): Likewise for ERROR_MARK.
10546
10547 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
10548
10549         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
10550         var.
10551
10552         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
10553         removed_phis.
10554
10555         * tree-ssa-pre.c (compute_avail): Remove local variable val.
10556         (mark_operand_necessary): Remove local variable ver.
10557
10558         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
10559         variable prefix_len.
10560
10561         * value-prof.c (mod_subtract_transform): Remove local variable
10562         value.
10563
10564         * builtins.c (fold_builtin_exponent): Take decomposed
10565         arguments of CALL_EXPR.
10566         (fold_builtin_1): Update a call to fold_builtin_exponent.
10567
10568         * builtins.c (fold_builtin_logarithm): Take decomposed
10569         arguments of CALL_EXPR.
10570         (fold_builtin_1): Update a call to fold_builtin_logarithm.
10571
10572         * c-decl.c (c_init_decl_processing): Remove local variables
10573         ptr_ftype_void and ptr_ftype_ptr.
10574
10575         * gimplify.c (gimplify_expr): Remove local variables r0 and
10576         r1.
10577
10578         * reg-stack.c (move_for_stack_reg): Remove local variable
10579         push_insn.
10580         (compare_for_stack_reg): Remove local variable flags_user.
10581         (convert_regs_1): Remove local variable deleted.
10582
10583         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
10584         variable new_cond.
10585         (combine_blocks): Remove local variables exits and new_e.
10586
10587         * tree-inline.c (expand_call_inline): Remove local variable
10588         decl.
10589
10590         * tree-ssa-live.c (create_ssa_var_map,
10591         calculate_live_on_entry): Remove local variable snn.
10592
10593 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
10594
10595         * c-lex.c (c_lex_with_flags): Add parameter to call to
10596         cpp_spell_token.
10597
10598 2005-03-11  Per Bothner  <per@bothner.com>
10599
10600         * c-tree.h (struct c_declarator): New id_loc field.
10601         * c-pragma.h (c_lex_with_flags): Take position reference.
10602         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
10603         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
10604         (c_lex): Pass dummy location to c_lex_with_flags.
10605         * c-parser.c (c_lex_one_token): Set c_token's location using
10606         c_lex_with_flags, instead of input_location, which might be "ahead".
10607         (c_parser_direct_declarator): Set declarator's id_loc from
10608         c_token's id_loc.
10609         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
10610         declarator's id_loc, rather than probably-imprecise input_location.
10611         (build_id_declarator): Initialize c_declarator's id_loc field.
10612
10613 2005-03-11  Roger Sayle  <roger@eyesopen.com>
10614
10615         PR middle-end/20419
10616         * builtins.c (expand_builtin_signbit): Force the signbit's word
10617         into an integer register to avoid SUBREGs of floating point modes.
10618
10619 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
10620
10621         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
10622         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
10623         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
10624         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
10625
10626 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
10627
10628         PR rtl-optimization/20306
10629         * expr.c (emit_move_complex): Set try_int false if mode is
10630         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
10631         emit_block_move if try_int is true.
10632
10633 2005-03-11  Richard Henderson  <rth@redhat.com>
10634
10635         PR target/20415
10636         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
10637         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
10638         to match.
10639
10640 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
10641
10642         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
10643         (TARGET_FIX_VR4130): New macro.
10644         (TARGET_OPTIONS): Add -mfix-vr4130.
10645         (ISA_HAS_MACCHI): New macro.
10646         (ASM_SPEC): Add -mfix-vr4130.
10647         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
10648         (override_options): Handle mips_fix_vr4130_string.
10649         (mips_avoid_hazards): Clear all_noreorder_p
10650         if we're working around VR4130 errata and the macc alternatives
10651         are not available.
10652         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
10653         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
10654         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
10655         (MULTILIB_DEFAULTS): Remove leading "march=".
10656         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
10657         if no architecture option is given.
10658         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
10659         VR4130 multilibs.
10660         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
10661         * doc/invoke.texi: Document -mfix-vr4130.
10662
10663 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
10664
10665         * config/mips/mips.c (override_options): Only warn about -mint64
10666         deprecation if TARGET_INT64.
10667
10668 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10669
10670         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
10671         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
10672         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
10673         are non-specific regarding the nonnull parameter positions.
10674         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
10675         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
10676         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
10677         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
10678
10679         * builtins.def: Use the non-specific "nonnull" attibute lists.
10680
10681 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
10682
10683         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
10684         single_pred_edge, single_succ, single_pred): Improve comments.
10685
10686 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
10687
10688         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
10689         single_pred_edge, single_succ, single_pred): New inline functions.
10690         * bb-reorder.c (rotate_loop, find_traces_1_round,
10691         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
10692         duplicate_computed_gotos): Use the single_succ/pred functions.
10693         * cfganal.c (forwarder_block_p): Ditto.
10694         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
10695         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
10696         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
10697         merge_seq_blocks): Ditto.
10698         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
10699         * cfglayout.c (fixup_reorder_chain): Ditto.
10700         * cfgloop.c (mark_single_exit_loops, update_latch_info,
10701         canonicalize_loop_headers, verify_loop_structure): Ditto.
10702         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
10703         mfb_update_loops, create_preheader, force_single_succ_latches,
10704         create_loop_notes): Ditto.
10705         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
10706         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
10707         commit_one_edge_insertion, purge_dead_edges,
10708         cfg_layout_can_merge_blocks_p): Ditto.
10709         * except.c (sjlj_emit_function_enter): Ditto.
10710         * flow.c (init_propagate_block_info): Ditto.
10711         * function.c (thread_prologue_and_epilogue_insns): Ditto.
10712         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
10713         insert_insn_end_bb): Ditto.
10714         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
10715         find_if_case_2): Ditto.
10716         * lambda-code.c (perfect_nestify): Ditto.
10717         * lcm.c (optimize_mode_switching): Ditto.
10718         * loop-doloop.c (doloop_modify): Ditto.
10719         * loop-init.c (loop_optimizer_init): Ditto.
10720         * loop-iv.c (simplify_using_initial_values): Ditto.
10721         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
10722         * loop-unswitch.c (unswitch_loop): Ditto.
10723         * modulo-sched.c (generate_prolog_epilog): Ditto.
10724         * predict.c (combine_predictions_for_insn, estimate_probability,
10725         tree_estimate_probability, last_basic_block_p,
10726         estimate_bb_frequencies): Ditto.
10727         * profile.c (branch_prob): Ditto.
10728         * regrename.c (copyprop_hardreg_forward): Ditto.
10729         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
10730         * tracer.c (layout_superblocks): Ditto.
10731         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
10732         cfg_remove_useless_stmts_bb, cleanup_control_flow,
10733         cleanup_control_expr_graph, disband_implicit_edges,
10734         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
10735         tree_verify_flow_info, tree_make_forwarder_block,
10736         tree_forwarder_block_p, remove_forwarder_block,
10737         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
10738         * tree-if-conv.c (tree_if_conversion): Ditto.
10739         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
10740         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
10741         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
10742         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
10743         copy_loop_headers): Ditto.
10744         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
10745         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
10746         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
10747         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
10748         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
10749         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
10750         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
10751         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
10752         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
10753         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
10754         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
10755         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
10756         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
10757         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
10758         slpeel_add_loop_guard): Ditto.
10759
10760 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
10761
10762         PR tree-optimization/15784
10763         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
10764         and -1 - A to ~A.
10765
10766         * stmt.c (expand_case): Don't change index_type.  Convert minval
10767         to the proper type.
10768
10769         PR tree-optimization/20130
10770         * fold-const.c (fold): Fold x * -1 into -x.
10771
10772 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
10773
10774         PR rtl-optimization/20331
10775         * rtlanal.c (modified_between_p): Check its address first for MEM.
10776         (modified_in_p): Likewise.
10777
10778 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
10779
10780         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
10781
10782 2005-03-10  Steven Bosscher  <stevenb@suse.de>
10783
10784         * expr.c (expand_expr_real_1): If possible, use a conditional
10785         move for expanding MIN_EXPR and MAX_EXPR.
10786         Use temp for moving around rtx-en.
10787
10788 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
10789
10790         PR rtl-opt/20412
10791         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
10792         correct mode.
10793
10794 2005-03-10  Roger Sayle  <roger@eyesopen.com>
10795
10796         * builtins.c (expand_builtin_signbit): Extend to handle floating
10797         point modes wider than the largest integer type, using the
10798         operand_subword_force function to obtain the signbit's word.
10799
10800 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
10801
10802         PR target/20322
10803         * combine.c (try_combine): If recog_for_combine added CLOBBERs
10804         to NEWI2PAT, fail to combine if they are used by NEWPAT.
10805
10806 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
10807
10808         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
10809
10810 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
10811
10812         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
10813         type void.
10814         (perform_edge_inserts): Unconditionally call
10815         free_dominator_info.
10816
10817         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
10818
10819 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
10820
10821         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
10822
10823 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
10824
10825         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
10826
10827         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
10828         gcc_unreachable.
10829         (rtl_register_value_prof_hooks,
10830         tree_value_profile_transformations,
10831         tree_register_value_prof_hooks): Likewise.
10832         * var-tracking.c (stack_adjust_offset_pre_post,
10833         variable_htab_free, variable_union, dataflow_set_different_2,
10834         count_uses, variable_was_changed, set_frame_base_location,
10835         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
10836         vt_add_function_parameters): Likewise.
10837         * varasm.c (named_section_real, named_section, make_decl_rtl,
10838         asm_emit_uninitialised, assemble_integer, decode_addr_const,
10839         const_hash_1, compare_constant, copy_constant, force_const_mem,
10840         output_constant_pool_2, output_constant_pool_1, output_constant,
10841         output_constructor, make_decl_one_only, decl_tls_model,
10842         default_no_named_section, default_elf_select_section_1,
10843         default_unique_section_1): Likewise.
10844         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
10845         * vmsdbgout.c (addr_const_to_string): Likewise.
10846
10847         PR c++/20375
10848         * function.c (struct assign_parm_data_one): Remove last_named
10849         field.
10850         (assign_parm_find_data_types): Don't determine last_named.
10851         Reorder named_parm determination.
10852         (assign_parms): Only setup varargs on the last non-varadic
10853         parameter.
10854
10855 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
10856
10857         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
10858         sda base address on medium model.
10859
10860 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
10861
10862         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
10863         * cfgloop.c (flow_loop_nodes_find): Export.
10864         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
10865         Declare.
10866         * cfgloopmanip.c (fix_loop_structure): New function.
10867         * predict.c (predict_loops): Clean up the loops information.
10868         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
10869         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
10870         loop structure.
10871         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
10872         (rewrite_into_loop_closed_ssa): Declaration changed.
10873         * tree-loop-linear.c (linear_transform_loops): Add argument to
10874         rewrite_into_loop_closed_ssa call.
10875         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10876         * tree-ssa-loop-im.c (move_computations): Ditto.
10877         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
10878         * tree-vectorizer.c (vectorize_loops): Ditto.
10879         * tree-optimize.c: Include cfgloop.h.
10880         (execute_todo): Choose whether to call cleanup_tree_cfg or
10881         cleanup_tree_cfg_loop.
10882         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
10883         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
10884         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
10885         cleanup_tree_cfg_loop call.
10886         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
10887         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
10888         work on part of cfg.
10889
10890 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
10891
10892         PR inline-asm/20314
10893         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
10894         with multiple alternatives.
10895
10896         * stmt.c (parse_output_constraint): Fix a typo.
10897
10898 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
10899
10900         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
10901         assembly directive instead of deprecated "no-generics".
10902
10903 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
10904
10905         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
10906         for non-offsettable memory references to cope with outstanding reload
10907         replacements.
10908         * config/s390/s390.md ("reload_outti"): Call find_replacement to
10909         avoid losing outstanding address reloads.
10910         ("reload_outdi", "reload_outdf"): Likewise.
10911
10912 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10913
10914         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
10915         code.  Add more cbrt transformations.
10916
10917 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10918
10919         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
10920
10921 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
10922
10923         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
10924         NULL_TREE when a given tree is not simplified.
10925         (fold): Return the original tree when any of the functions
10926         mentioned above NULL_TREE.
10927
10928         * fold-const.c (fold_unary, fold_binary): Take decomposed
10929         arguments, code, type, op0, and op1 in case of fold_binary.
10930         (fold): Update calls to fold_unary and fold_binary.
10931
10932 2005-03-09  Roger Sayle  <roger@eyesopen.com>
10933
10934         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
10935         a fndecl and an arglist instead of a CALL_EXPR, exp.
10936
10937 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
10938
10939         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
10940
10941         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
10942
10943         * expr.c (expand_assignment): Remove orig_to_rtx.
10944
10945         * fold-const.c (int_const_binop): Remove no_overflow.
10946
10947         * ifcvt.c (noce_emit_move_insn): Remove inmode.
10948
10949         * loop-iv.c (get_biv_step_1): Remove lhs.
10950
10951         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
10952
10953         * real.c (real_nan): Remove neg.
10954
10955         * function.c (thread_prologue_and_epilogue_insns): Remove i
10956         and newinsn.
10957
10958         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
10959         tb.
10960
10961         * tree-eh.c (tree_could_trap_p): Remove idx.
10962
10963         * tree-into-ssa.c (ann): Remove ann.
10964
10965         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
10966
10967         * tree-sra.c (decide_block_copy): Remove inst_count.
10968
10969         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
10970
10971         * tree-ssa-loop-im.c (lhs): Remove.
10972
10973         * cfgbuild.c (state, STATE, SET_STATE,
10974         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
10975         make_edges.
10976         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
10977         (find_basic_blocks): Set the state of each basic block to
10978         BLOCK_NEW.
10979
10980 2005-03-08  Jeff Law  <law@redhat.com>
10981
10982         * tree-cfg.c (cleanup_control_flow): If removal of a computed
10983         goto results in the removal of edges in the CFG, then we need
10984         to recompute dominators.
10985
10986 2005-03-09  Ben Elliston  <bje@au.ibm.com>
10987
10988         * c-common.c (c_do_switch_warnings): Comment fix.
10989
10990 2005-03-08  Julian Brown  <julian@codesourcery.com>
10991
10992         * Patch from 2005-03-08 reverted for causing regressions and
10993         ppc-darwin bootstrap failure.
10994
10995 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
10996
10997         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
10998         Define the real function for ppc-darwin.
10999         * c-typeck.c (convert_arguments): Check for target-specific
11000         invalid argument call to unprototyped function.
11001         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
11002         New Macro.
11003         * target.h (invalid_arg_for_unprototyped_fn): New field
11004         in struct calls.
11005         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
11006         default target hook.
11007         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
11008         Declare.
11009
11010 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
11011
11012         * c-typeck.c (constructor_stack, constructor_range_stack,
11013         initializer_stack): Make them static.
11014
11015         * cfg.c (rbi_pool): Make it static.
11016
11017         * gimple-low.c (lower_stmt_body): Make it static.
11018         * tree-flow.h: Remove the corresponding prototype.  Don't
11019         declare lower_data.
11020
11021         * sched-deps.c (cache_size): Make it static.
11022
11023         * stor-layout.c (lang_adjust_rli): Make it static.
11024
11025 2005-03-08  Julian Brown  <julian@codesourcery.com>
11026
11027         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
11028         from being used for symbols with vague linkage when
11029         HAVE_GAS_COMDAT_GROUP is true.
11030
11031 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
11032
11033         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
11034         nlabel == JUMP_LABEL (jump).
11035
11036 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
11037
11038         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
11039         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
11040         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
11041         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
11042
11043 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
11044
11045         PR c/14411
11046         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
11047         * c-common.c (handle_returns_twice): New function.
11048         (c_common_attribute_table): Declare eturns_twice' attribute.
11049         * doc/extend.texi: Document eturns_twice' attribute.
11050         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
11051         (struct tree_decl): Add returns_twice_flag.
11052
11053 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
11054
11055         * tree-ssa-phiopt.c: Fix a comment typo.
11056
11057         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
11058         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
11059         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
11060         copyright.
11061
11062 2005-03-08  Richard Henderson  <rth@redhat.com>
11063
11064         * config/alpha/alpha.c (code_for_builtin): Replace special-case
11065         builtin codes with ctzdi2, clzdi2, popcountdi2.
11066         (struct alpha_builtin_def): Add is_const.
11067         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
11068         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
11069         (alpha_init_builtins): Init them.  Set nothrow and const attributes
11070         on builtins.
11071         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
11072         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
11073         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
11074         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
11075         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
11076         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
11077         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
11078         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
11079         (TARGET_FOLD_BUILTIN): New.
11080         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
11081         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
11082         (ffsdi2): Use ctz.
11083         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
11084
11085 2005-03-08  Ira Rosen  <irar@il.ibm.com>
11086
11087         PR tree-optimization/20122
11088         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
11089         condition of access function instead of base.
11090
11091 2005-03-07  Jeff Law  <law@redhat.com>
11092             Steven Bosscher  <stevenb@suse.de>
11093
11094         * tree-cfg.c (find_taken_edge_computed_goto): New function.
11095         (find_taken_edge): Call find_taken_edge_computed_goto as
11096         appropriate.  Allow any gimple invariant rather than just
11097         INTEGER_CST for VAL.
11098         (cleanup_control_flow): Cleanup a computed goto which has turned
11099         into a simple goto.
11100         (tree_merge_blocks): If block B has any forced labels, move
11101         them to the start of block A.
11102         * tree-ssa-dom.c (thread_across_edge): Allow threading across
11103         computed gotos as well.
11104         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
11105         removal of unnecessary computed gotos too.
11106         (lookup_redirection_data): Fix type of INSERT argument.  Callers
11107         updated.
11108
11109 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
11110
11111         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
11112         Remove trailing spaces.
11113
11114         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
11115         unshare_all_trees): Make them static.
11116         * tree-gimple.h: Remove the corresponding prototypes.
11117
11118         * diagnostic.h: Remove unused prototype
11119         debug_output_buffer.
11120         * modulo-sched.c: Remove unused prototype
11121         set_row_column_for_ps.
11122
11123         * tree-ssa-phiopt.c (tree_ssa_phiopt,
11124         replace_phi_edge_with_variable): Remove unused variable i.
11125
11126 2005-03-07  Per Bothner  <per@bothner.com>
11127
11128         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
11129
11130 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
11131
11132         PR tree-opt/17671
11133         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
11134         bbs on the COND_EXPR instead of the PHI_NODEs.
11135         (candidate_bb_for_phi_optimization): Remove.
11136         (replace_phi_with_stmt): Rename to ...
11137         (replace_phi_edge_with_variable): this and change so that we
11138         replace the phi argument instead of removing the PHI.
11139         (conditional_replacement): Change so we deal with PHI with more
11140         than two arguments.
11141         (value_replacement): Likewise.
11142         (abs_replacement): Likewise.
11143
11144 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
11145
11146         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
11147         output_e500_flip_gt_bit.
11148
11149         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
11150         as bit 31.
11151         (rs6000_generate_compare): Fix logic to look at the correct bits.
11152         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
11153         Look at GT bit.
11154         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
11155         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
11156         gen_move_from_CR_gt_bit.
11157
11158         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
11159         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
11160         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
11161
11162         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
11163         (E500_CR_IOR_COMPARE): New constant.
11164
11165 2005-03-08  Earl Chew <earl_chew@agilent.com>
11166             David Billinghurst <David.Billinghurst@riotinto.com>
11167
11168         * config/i386/host-cygwin.c: New file to support precompiled
11169         headers on cygwin
11170         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
11171         * config.host: Use above files for cygwin host.
11172
11173 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
11174
11175         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
11176         ordering ops from earlier change.
11177
11178 2005-03-07  Per Bothner  <per@bothner.com>
11179
11180         Various fixes to allow us to again build if --enable-mapped-location:
11181         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
11182         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
11183         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
11184         local variable loc. Change logic appropriately.
11185         * tree-vect-transform.c (vect_finish_stmt_generation): Use
11186         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
11187         * c-parser.c (c_parser_for_statement): Initialize loc variable.
11188         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
11189         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
11190
11191 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
11192
11193         PR rtl-optimization/19683
11194         * reload1.c (choose_reload_regs): Pass the number of bits, not the
11195         number of bytes, to smallest_int_for_mode.  Fix arguments to
11196         REG_CANNOT_CHANGE_MODE_P.
11197
11198 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
11199
11200         * reorg.c (relax_delay_slots): Check that the jump is
11201         conditional before trying to invert it.
11202
11203 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
11204
11205         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
11206         Make them static.
11207
11208         * calls (stack_arg_under_construction): Make it static.
11209
11210         * flow.c (regs_live_at_setjmp): Make it static.
11211         * flow.h: Remove the corresponding prototype.
11212
11213         * reload1.c (reload_startobj, reload_firstobj,
11214         something_needs_operands_changed, reload_inherited,
11215         reload_inheritance_insn, reload_override_in,
11216         reload_spill_index): Make them static.
11217
11218         * recog.c (verify_changes): Make it static.
11219         * recog.h: Remove the corresponding prototype.
11220
11221         * cfgbuild.c (find_sub_basic_blocks): Remove.
11222         * basic-block.h: Remove the corresponding prototype.
11223         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
11224         in comments.
11225         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
11226
11227         * tree-ssa-operands.c (check_build_stmt): Remove.
11228
11229         * stor-layout.c (set_alignment): Remove.
11230         * tree.h: Remove the corresponding prototype.
11231
11232         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
11233
11234         * tree-ssa-dce.c (control_dependence_map,
11235         visited_control_parents): Make them static.
11236
11237         * cfghooks.c (verify_flow_info): Remove local variable
11238         num_bb_notes.
11239
11240         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
11241         last_bb_seen.
11242
11243         * loop-unswitch.c (unswitch_loop): Remove local variable src.
11244
11245 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
11246
11247         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
11248
11249 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
11250
11251         * config/ia64/hpux.h (LINK_SPEC): Add -z.
11252         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
11253         PARALLEL for an empty structure.
11254
11255 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
11256
11257         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
11258
11259         * fold-const.c (fold_binary): Unroll the very first "for"
11260         loop.
11261
11262 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
11263
11264         * config/rs6000/predicates.md (branch_comparison_operator): Remove
11265         redundant match_code test.
11266         (scc_comparison_operator): Swap match_operand and match_code
11267         tests.
11268         (branch_positive_comparison_operator): Same.
11269         (trap_comparison_operator): Use comparison_operator and swap with
11270         match_code test.
11271
11272 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
11273
11274         PR target/20288
11275         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
11276         (out_movhi_r_mr): Read low byte of volatile MEM first.
11277         (out_movhi_mr_r): Write high byte of volatile MEM first.
11278
11279 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
11280
11281         * cselib.c (reg_values, reg_values_size): Make them static.
11282
11283         * cse.c (cse_reg_info_table): Make it static.
11284
11285         * fold-const.c (fold_unary): Use build1 instead of copy_node.
11286
11287 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
11288
11289         * cse.c (find_best_addr): Use canon_for_address.
11290
11291 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
11292
11293         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
11294         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
11295         SUBREG and MEM, respectively.
11296
11297         * fold-const.c (fold_binary): Use code instead of t.
11298
11299         * fold-const.c (optimize_minmax_comparison): Take decomposed
11300         arguments code, type, op0, and op1 instead of t.
11301         (fold_binary): Update a call to optimize_minmax_comparison.
11302
11303         * fold-const.c (fold_range_test): Take decomposed arguments
11304         code, type, op0, and op1 instead of t.
11305         (fold_binary): Update a call to fold_range_test.
11306
11307         * fold-const.c (fold_binary_op_with_conditional_arg): Take
11308         decomposed arguments code, type, op0, and op1 instead of t.
11309         (fold_binary): Update a call to fold_range_test.
11310
11311 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
11312
11313         * fold-const.c (fold_binary): Avoid directly using the original
11314         expression t as much as possible.
11315
11316 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
11317
11318         * c-semantics.c (build_stmt): Use TYPE_P instead of
11319         IS_NON_TYPE_CODE_CLASS.
11320         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
11321         (NON_TYPE_CHECK): Use TYPE_P instead of
11322         IS_NON_TYPE_CODE_CLASS.
11323
11324         * fold-const.c (fold): Remove handling of binary expressions.
11325
11326 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
11327
11328         * doc/c-tree.texi: Wrap comments in @r{}.
11329         * doc/cpp.texi: Likewise.
11330         * doc/cppinternals.texi: Likewise.
11331         * doc/extend.texi: Likewise.
11332         * doc/md.texi: Likewise.
11333         * doc/objc.texi: Likewise.
11334         * doc/sourcebuild.texi: Likewise.
11335         * doc/tm.texi: Likewise.
11336         * doc/tree-ssa.texi
11337
11338 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
11339
11340         * predict.c (apply_return_prediction): Standardize PHI chain
11341         walking.
11342         * tree-ssa.c (ssa_redirect_edge): Likewise.
11343
11344         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
11345         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
11346         Update copyright.
11347
11348         * tree-phinodes.c (remove_phi_node): Drop the last argument.
11349         * tree-flow.h: Adjust the prototype for remove_phi_node.
11350         * lambda-code.c (perfect_nestify): Adjust a call to
11351         remove_phi_node.
11352         * tree-cfg.c
11353         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
11354         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
11355         Likewise.
11356         * tree-ssa-dce.c (remove_dead_phis): Likewise.
11357         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
11358         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
11359         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
11360
11361         * combine.c (simplify_and_const_int): Use gen_int_mode instead
11362         of GEN_INT (trunc_int_for_mode (...)).
11363         * loop-iv.c (iv_number_of_iterations): Likewise.
11364         * postreload.c (reload_cse_move2add): Likewise.
11365         * simplify-rtx.c (simplify_const_unary_operation,
11366         simplify_const_binary_operation): Likewise.
11367         * stor-layout.c (get_mode_bounds): Likewise.
11368
11369         * fold-const.c (fold_binary): New.
11370         (fold): Call fold_binary on binary expressions.
11371
11372 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
11373
11374         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
11375         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
11376         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
11377         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
11378         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
11379
11380 2005-03-04  Devang Patel  <dpatel@apple.com>
11381
11382         PR tree-optimization/18815
11383         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
11384         loops with zero exit edges.
11385
11386 2005-03-04  Devang Patel  <dpatel@apple.com>
11387
11388         * doc/invoke.texi: Remove reference to webpage that does not exist.
11389
11390 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
11391             Joseph S. Myers  <joseph@codesourcery.com>
11392
11393         PR c++/19797
11394         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
11395         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
11396         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
11397         * pa.c (get_plabel): Change argument to symbol_ref.  Call
11398         maybe_get_identifier instead of get_identifier.
11399         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
11400         (struct deferred_plabel): Replace name field with symbol field.
11401         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
11402         ASM_OUTPUT_EXTERNAL_REAL is defined.
11403         (output_global_address): Use output_addr_const for output of all
11404         symbol_refs.
11405         (output_deferred_plabels): Use symbol_ref instead of name for address
11406         output.
11407         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
11408         ASM_OUTPUT_SYMBOL_REF): New macros.
11409         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
11410         comment.
11411         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
11412         label.
11413
11414 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
11415
11416         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
11417         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
11418
11419 2005-03-04  Jeff Law  <law@redhat.com>
11420
11421         * basic-block.h (rediscover_loops_after_threading): Declare.
11422         * tree-ssa-dom.c: Include cfgloop.h.
11423         (tree_ssa_dominator_optimize): Discover loops and some basic
11424         properties.  Remove forwarder blocks recreated by loop header
11425         canonicalization.  Also mark backedges in the CFG.
11426         * tree-ssa-threadupdate.c: Include cfgloop.h
11427         (rediscover_loops_after_threading): Define.
11428         (struct local_info): New field, JUMP_THREADED.
11429         (prune_undesirable_thread_requests): New function.
11430         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
11431         then record that fact for the callers of redirct_edges.
11432         (thread_block): If BB has incoming backedges, then call
11433         prune_undesirable_thraed_requests.    Note when we are
11434         going to have to rediscover loop information.  Return a
11435         boolean indicating if any jumps were threaded.
11436         (thread_through_all_blocks): Bubble up boolean indicating
11437         if any jumps were threaded.
11438         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
11439         (tree-ssa-threadupdate.o): Similarly.
11440
11441 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
11442
11443         * fold-const.c (fold_ternary): Unroll the "for" loop to
11444         extract operands.
11445
11446 2005-03-04  Andrew Haley  <aph@redhat.com>
11447
11448         * unwind-dw2-fde-glibc.c (struct
11449         unw_eh_callback_data.check_cache): New field.
11450         (frame_hdr_cache): New.
11451         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
11452         Cache frame header info.
11453
11454 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
11455
11456         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
11457         (print_c_condition): Declare.
11458         * read-rtl.c (ptr_loc): New structure.
11459         (ptr_locs, ptr_loc_obstack, joined_conditions)
11460         (joined_conditions_obstack): New variables.
11461         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
11462         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
11463         (join_c_conditions, print_c_condition): New functions.
11464         (apply_macro_to_string): Associate the new string with the same
11465         source location as the old one.
11466         (add_condition_to_string): Use join_c_conditions.
11467         (read_string): Use set_rtx_ptr_loc to record a filename and line
11468         number for the string.
11469         (read_rtx): Initialize the new variables above.
11470         * genattrtab.c (write_test_expr, write_attr_value): Use
11471         print_c_condition.
11472         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
11473         comment above the GCC_VERSION check.
11474         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
11475         Inline the definition of MAYBE_EVAL.
11476         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
11477         * genoutput.c (process_template): Likewise.
11478         * genpreds.c (write_predicate_subfunction): Likewise.
11479         (write_predicate_expr): Use print_c_condition.
11480         * genrecog.c (write_cond): Likewise.
11481         * gensupport.c (process_rtx): Use join_c_conditions to join the
11482         conditions of a define_insn_and_split.  Record a source location
11483         for the string after the "&&".
11484         (alter_test_for_insn): Use join_c_conditions.
11485
11486 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
11487
11488         Revert for now:
11489         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
11490         PR tree-optimization/15784
11491         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
11492         and -1 - A to ~A.
11493
11494 2005-03-04  Ben Elliston  <bje@au.ibm.com>
11495
11496         * gcc.c (option_map): Add --coverage.
11497         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
11498         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
11499         * config/darwin.h: Pass -lgcov for `coverage'.
11500         * doc/invoke.texi (Debugging Options): Document --coverage.
11501
11502 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
11503
11504         * gcse.c (bypass_block): Use find_edge wherever possible.
11505
11506 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
11507
11508         Fix PR debug/20253
11509
11510         * c-opts.c (c_common_parse_file): Call start_source_file
11511         and end_source_file at the approriate times.
11512
11513         * dwarf2out.c (dwarf2out_finish): Don't auto-end
11514         the main file, it will be done for us now.
11515
11516 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
11517
11518         * fold-const.c (fold_ternary): New.
11519         (fold): Call fold_ternary on ternary expressions.  Remove
11520         handling of ternary expressions.
11521
11522 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
11523
11524         PR tree-optimization/15784
11525         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
11526         and -1 - A to ~A.
11527
11528 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
11529
11530         * config/rs6000/predicates.md (branch_comparison_operator):
11531         Convert from C block to conditional format.
11532
11533 2005-03-03  Jan Hubicka  <jh@suse.cz>
11534
11535         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
11536         and non-constant public variables.
11537
11538 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
11539
11540         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
11541         with LABEL_EXPR.
11542
11543         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
11544         EDGE_I.
11545
11546         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
11547         calls to release_ssa_name and release_phi_node.
11548
11549         * fold-const.c (fold): Remove handling of unary expressions.
11550
11551         * fold-const.c (fold_unary): Avoid directly using the original
11552         expression t as much as possible.
11553
11554 2005-03-03  Roger Sayle  <roger@eyesopen.com>
11555             Andrew Pinski  <pinskia@physics.uc.edu>
11556
11557         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
11558         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
11559
11560 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
11561
11562         Describe special registers SRP and MOF as allocatable registers.
11563         * config/cris/cris.c (cris_md_asm_clobbers): New function.
11564         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
11565         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
11566         TARGET_HAS_MUL_INSNS.
11567         (cris_print_operand) <case 'd'>: New case.
11568         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
11569         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
11570         define.
11571         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
11572         (REG_ALLOC_ORDER): Update for MOF.
11573         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
11574         SPECIAL_REGS.
11575         (GENERAL_REGS): No longer a define of ALL_REGS.
11576         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
11577         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
11578         Adjust accordingly.
11579         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
11580         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
11581         (SECONDARY_RELOAD_CLASS): Define.
11582         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
11583         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
11584         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
11585         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
11586         (REGISTER_MOVE_COST): Define.
11587         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
11588         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
11589         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
11590         (CRIS_MOF_REGNUM): New define_constants.
11591         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
11592         special registers.
11593         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
11594         New patterns.
11595         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
11596         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
11597         Adjust for MOF being properly described as a register.
11598         (indir_to_reg_split): Name this split.  Conditionalize on the
11599         destination register being a general register.
11600         (movei): Conditionalize on on operands 0 and 1 having the same
11601         register class.
11602
11603 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
11604
11605         PR target/20277
11606         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
11607         -mcpu to override any other explicitly given flags.
11608
11609 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
11610
11611         * recog.c (verify_changes, confirm_change_group): New functions,
11612         broken out of apply_change_group.
11613         (apply_change_group): Use them.
11614         * recog.h (verify_change, confirm_change_group): Declare.
11615         * rtl.h (redirect_jump_2): Declare.
11616         * jump.c (redirect_exp, invert_exp): Delete.
11617         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
11618         (redirect_jump_2): New function, broken out of redirect_jump.
11619         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
11620         (invert_jump): Use invert_jump_1 and redirect_jump_2.
11621         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
11622
11623 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
11624
11625         * varasm.c (named_section): Use xstrdup rather than doing it by
11626         hand.
11627
11628         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
11629
11630 2005-03-02  Devang Patel  <dpatel@apple.com>
11631
11632         Undo PR tree-optimization/18815 fix.
11633
11634 2005-03-02  Devang Patel  <dpatel@apple.com>
11635
11636         PR tree-optimization/18815
11637         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
11638         loops with zero exit edges.
11639
11640 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
11641
11642         * cfg.c (connect_src, connect_dest, disconnect_src,
11643         disconnct_dest): New.
11644         (unchecked_make_edge, remove_edge, redirect_edge_succ,
11645         redirect_edge_pred): Use the new functions.
11646
11647         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
11648         free_dominance_info only when needed.
11649
11650 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
11651
11652         PR target/20276
11653         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
11654         (reg_or_sub_cint64_operand): Same.
11655
11656 2005-03-02  Jeff Law  <law@redhat.com>
11657
11658         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
11659         CFG_ALTERED in the main DOM iteration loop.
11660
11661 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
11662
11663         PR c++/19916
11664         * varasm.c (initializer_constant_valid_p): Allow conversions
11665         between OFFSET_TYPEs.  Tidy.
11666
11667 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
11668
11669         * config/cris/cris.md ("return"): Remove epilogue delay list
11670         sanity check.
11671
11672 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
11673
11674         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
11675         for Thumb.
11676         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
11677
11678 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
11679
11680         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
11681         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
11682         config/m68k/m68k.c, config/mips/mips.h,
11683         config/rs6000/rs6000-protos.h, doc/contrib.texi,
11684         doc/include/gcc-common.texi: Update copyright.
11685
11686         PR middle-end/18029 and PR middle-end/18030
11687         * expr.c (optimize_bitfield_assignment_op): Add a special case
11688         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
11689
11690         * fold-const.c (fold_unary): New.
11691         (fold): Call fold_unary on unary expressions.
11692
11693 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
11694
11695         * cgraph.h (struct cgraph_edge): Add prev_caller and
11696         prev_callee fields.
11697         (cgraph_node_remove_callees): Export.
11698         * cgraph.c (cgraph_create_edge): Initialize prev_caller
11699         and prev_callee.
11700         (cgraph_edge_remove_callee): New function.
11701         (cgraph_edge_remove_caller): Likewise.
11702         (cgraph_remove_edge): Use.
11703         (cgraph_redirect_edge_callee): Likewise.
11704         (cgraph_node_remove_callees): New function.
11705         (cgraph_node_remove_callers): Likewise.
11706         (cgraph_remove_node): Use.
11707         * tree-optimize.c (tree_rest_of_compilation): Use
11708         cgraph_node_remove_callees instead of manual loop.
11709         * cgraphunit.c (cgraph_finalize_function): Likewise.
11710         (cgraph_expand_function): Likewise.
11711         (cgraph_remove_unreachable_nodes): Likewise.
11712
11713 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
11714
11715         PR c/8927
11716         * c-tree.h (undeclared_variable, build_external_ref): Add extra
11717         argument.
11718         * c-decl.c (undeclared_variable): Take location as argument.
11719         * c-typeck.c (build_external_ref): Likewise.
11720         * c-parser.c (c_parser_postfix_expression): Pass location of
11721         identifier to build_external_ref.
11722
11723 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
11724
11725         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
11726         CCEQ mode for branch_positive_comparison_operator test.
11727         * config/rs6000/predicates (branch_comparison_operator): Revert to
11728         define_predicate.
11729         (scc_comparison_operator): Same.
11730         (branch_positive_comparison_operator): Same.
11731
11732 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
11733
11734         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
11735         (cris_delay_slots_for_epilogue): Remove.
11736         (save_last): Move into cris_target_asm_function_epilogue.
11737         (cris_target_asm_function_epilogue): Remove tests for file being
11738         NULL.
11739         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
11740         (cris_delay_slots_for_epilogue): Remove prototypes.
11741         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
11742         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
11743
11744 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
11745
11746         * config/rs6000/predicates.md (branch_comparison_operator): Change
11747         to define_special_predicate.
11748         (scc_comparison_operator): Same.
11749         (branch_positive_comparison_operator): Same.
11750
11751 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
11752
11753         * Makefile.in (tree-ssa-sink.o): New.
11754         (OBJS-common): Add tree-ssa-sink.o.
11755         * common.opt: Add -ftree-sink
11756         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
11757         * timevar.def (TV_TREE_SINK): new timevar.
11758         * tree-flow.h (is_hidden_global_store): Prototype.
11759         * tree-optimize.c (init_tree_optimization_passes): Add
11760         pass_sink_code.
11761         * tree-pass.h (pass_sink_code): New.
11762         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
11763         for non-obvious global store store to is_hidden_global_store, and
11764         call that new function.
11765         * tree-ssa-sink.c: New file.
11766         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
11767         * doc/passes.texi: Document forward store motion.
11768         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
11769         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
11770         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
11771         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
11772
11773 2005-03-01  Per Bothner  <per@bothner.com>
11774
11775         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
11776         and we have a non-zero column-number, add it to the message.
11777         Also factor out the diagnostic_kind_text.
11778
11779 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
11780
11781         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
11782         flow_loop_pre_header_scan, flow_loop_pre_header_find,
11783         flow_loop_scan): Removed.
11784         (flow_loop_dump): Do not dump removed fields.
11785         (flow_loop_free): Do not free removed fields.
11786         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
11787         (loop_exit_edge_p): New function.
11788         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
11789         num_pre_header_edges, entry_edges, num_entries, exit_edges,
11790         num_exits, exits_doms.
11791         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
11792         LOOP_EDGES, LOOP_ALL): Removed.
11793         (flow_loop_scan): Declaration removed.
11794         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
11795         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
11796         flow_loops_find.
11797         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
11798         (if_convert): Call flow_loops_find and flow_loops_free
11799         when calling mark_loop_exit_edges.
11800         * cfgloopanal.c (mark_loop_exit_edges): Moved from
11801         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
11802         free_dominance_info calls.
11803         * loop-init.c (flow_loops_find): Ditto.
11804         * passes.c (rest_of_handle_branch_prob): Ditto.
11805         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
11806         * loop-unroll.c (analyze_insns_in_loop): Do not use
11807         EDGE_LOOP_EXIT.
11808         * predict.c (predict_loops): Do not call flow_loop_scan.
11809         Use get_loop_exit_edges.
11810         (tree_estimate_probability): Do not pass flags to flow_loops_find.
11811         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
11812         Do not use EDGE_LOOP_EXIT.
11813         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
11814         to bb_with_exit_edge_p.
11815         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
11816         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
11817         to bb_with_exit_edge_p.
11818         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
11819         EDGE_LOOP_EXIT.
11820         * tree-loop-linear.c (linear_transform_loops): Do not call
11821         flow_loop_scan.  Use loop->single_exit.
11822         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
11823         (vect_analyze_loop_form): Do not call flow_loop_scan.
11824         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
11825         loop->single_exit.
11826         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
11827         loop->single_exit.
11828         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
11829         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
11830         slpeel_tree_duplicate_loop_to_edge_cfg,
11831         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
11832         Use loop_preheader_edge and loop->single_exit.  Do not call
11833         flow_loop_scan.
11834
11835 2005-03-01  Nick Clifton  <nickc@redhat.com>
11836
11837         * config/arm/arm.c (thumb_find_work_register): Check all of the
11838         argument registers to see if they are free, and a couple of
11839         special cases where the last argument register but can be proved
11840         to be available during the function's prologue.
11841         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
11842         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
11843         thumb_unexpanded_epilogue): Use unsigned long as the type for the
11844         register bit-mask.
11845         (thumb_compute_save_reg_mask): Likewise.  Also use
11846         thumb_find_work_register() to ensure that there is agreement about
11847         which work register is going to be used in the prologue.
11848         (thumb_output_function_prologue): Use unsigned long as the type
11849         for the register bit-mask.  Also delay pushing the link register if
11850         other high registers are going to be pushed.
11851         (thumb_compute_save_reg_mask, emit_multi_reg_push,
11852         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
11853         redundant prototypes.
11854
11855 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
11856
11857         PR target/19819
11858         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
11859         and after reload in REG+REG indexed addresses without REG_POINTER
11860         set in the base and not set in the index.
11861
11862 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
11863
11864         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
11865         Don't undefine here.
11866         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
11867         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
11868         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
11869         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
11870         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
11871         Delete.
11872         * config.gcc (sh*-*-linux*): Use config/linux.h.
11873
11874 2005-02-28  Dale Johannesen  <dalej@apple.com>
11875             Stan Shebs  <shebs@apple.com>
11876
11877         Rewrite of 64-bit Darwin structure-by-value pass/return.
11878         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
11879         intoffset, use_stack, named.
11880         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
11881         (rs6000_darwin64_record_arg_advance_flush):  New.
11882         (rs6000_darwin64_record_arg_advance_recurse): New.
11883         (rs6000_darwin64_record_arg_flush):  New.
11884         (rs6000_darwin64_record_arg_recurse):  New.
11885         (rs6000_darwin64_record_arg):  New.
11886         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
11887         (function_arg_boundary):  Handle 128-bit aligned structs.
11888         (function_arg_advance):  Rewrite darwin64 struct handling.
11889         (function_arg):  Call rs6000_darwin64_record_arg.
11890         (function_arg_partial_nregs):  Handle darwin64 structs.
11891         (rs6000_darwin64_function_value):  Remove.
11892         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
11893
11894 2005-02-28  Roger Sayle  <roger@eyesopen.com>
11895
11896         PR tree-optimization/20216
11897         * tree-chrec.c (tree_fold_factorial): Delete.
11898         (tree_fold_binomial): Change argument list to take a return type
11899         and change the type of K to unsigned int.  Rewrite to avoid explicit
11900         evaluation of factorials, and (recursively) calling fold to perform
11901         compile-time arithmetic.  Return NULL on (internal) overflow.
11902         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
11903         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
11904         if any intermediate calculation overflows.
11905         (chrec_apply): Update call to chrec_evaluate.
11906
11907 2005-02-28  James E Wilson  <wilson@specifixinc.com>
11908
11909         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
11910
11911 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
11912
11913         PR c/20245
11914         * c-parser.c (c_parser_compound_statement): Return error_mark_node
11915         instead of NULL_TREE on error.
11916
11917 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
11918
11919         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
11920         (EASY_VECTOR_15_ADD_SELF): Remove.
11921         (num_insns_constant_wide): Not static.
11922         (validate_condition_mode): Not static.
11923         (toc_relative_expr_p): Not static.
11924         (legitimate_indirect_address_p): Not static.
11925         (macho_lo_sum_memory_operand): Not static.
11926         (invalid_e500_subreg): Not static.
11927         (easy_vector_same): Not static.
11928         (easy_vector_splat_const): Not static.
11929         (RS6000_SYMBOL_REF_TLS_P): Remove.
11930         (any_operand): Delete.
11931         (any_parallel_operand): Delete.
11932         (count_register_operand): Delete.
11933         (altivec_register_operand): Delete.
11934         (xer_operand): Delete.
11935         (s8bit_cint_operand): Delete.
11936         (short_cint_operand): Delete.
11937         (u_short_cint_operand): Delete.
11938         (non_short_cint_operand): Delete.
11939         (exact_log2_cint_operand): Delete.
11940         (gpc_reg_operand): Delete.
11941         (cc_reg_operand): Delete.
11942         (cc_reg_not_cr0_operand): Delete.
11943         (reg_or_short_operand): Delete.
11944         (reg_or_neg_short_operand): Delete.
11945         (reg_or_aligned_short_operand): Delete.
11946         (reg_or_u_short_operand): Delete.
11947         (reg_or_cint_operand): Delete.
11948         (reg_or_arith_cint_operand): Delete.
11949         (reg_or_add_cint64_operand): Delete.
11950         (reg_or_sub_cint64_operand): Delete.
11951         (reg_or_logical_cint_operand): Delete.
11952         (got_operand): Delete.
11953         (got_no_const_operand): Delete.
11954         (easy_fp_constant): Delete.
11955         (easy_vector_constant): Delete.
11956         (easy_vector_constant_add_self): Delete.
11957         (zero_constant): Delete.
11958         (zero_fp_constant): Delete.
11959         (volatile_mem_operand): Delete.
11960         (offsettable_mem_operand): Delete.
11961         (mem_or_easy_const_operand): Delete.
11962         (add_operand): Delete.
11963         (non_add_cint_operand): Delete.
11964         (logical_operand): Delete.
11965         (non_logical_cint_operand): Delete.
11966         (mask_operand): Delete.
11967         (mask_operand_wrap): Delete.
11968         (mask64_operand): Delete.
11969         (mask64_2_operand): Delete.
11970         (and64_operand): Delete.
11971         (and64_2_operand): Delete.
11972         (and_operand): Delete.
11973         (reg_or_mem_operand): Delete.
11974         (lwa_operand): Delete.
11975         (symbol_ref_operand): Delete.
11976         (call_operand): Delete.
11977         (current_file_function_operand): Delete.
11978         (input_operand): Delete.
11979         (rs6000_nonimmediate_operand): Delete.
11980         (rs6000_tls_symbol_ref): Delete.
11981         (save_world_operation): Delete.
11982         (restore_world_operation): Delete.
11983         (load_multiple_operation): Delete.
11984         (store_multiple_operation): Delete.
11985         (vrsave_operation): Delete.
11986         (mfcr_operation): Delete.
11987         (mtcrf_operation): Delete.
11988         (lmw_operation): Delete.
11989         (stmw_operation): Delete.
11990         (branch_comparison_operator): Delete.
11991         (branch_positive_comparison_operator): Delete.
11992         (scc_comparison_operator): Delete.
11993         (trap_comparison_operator): Delete.
11994         (boolean_operator): Delete.
11995         (boolean_or_operator): Delete.
11996         (min_max_operator): Delete.
11997         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
11998         (EASY_VECTOR_15): Moved to here.
11999         (EASY_VECTOR_15_ADD_SELF): Move to here.
12000         (PREDICATE_CODES): Delete.
12001         * config/rs6000/rs6000-protos.h: Delete predicate functions.
12002         Declare functions no longer static.
12003         * config/rs6000/predicates.md: New.
12004         * config/rs6000/rs6000.md: Include predicates.md
12005
12006 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
12007
12008         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
12009         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
12010         REG_ALWAYS_RETURN.
12011         * cfgrtl.c (need_fake_edge_p): Likewise.
12012         * combine.c (distribute_notes): Likewise.
12013         * emit-rtl.c (try_split): Likewise.
12014         * recog.c (peephole2_opimize): Likewise.
12015         * reg-notes.def (ALWAYS_RETURN): Remove.
12016         * rtl.h (LCT_ALWAYS_RETURN): Remove.
12017         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
12018         * tree.h (ECF_ALWAYS_RETURN): Remove.
12019
12020 2005-02-28  Roger Sayle  <roger@eyesopen.com>
12021
12022         PR middle-end/19874
12023         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
12024         between different machine modes is never a "useless" conversion.
12025
12026 2005-02-28  Geert Bosch  <bosch@gnat.com>
12027
12028         PR ada/15977
12029         * doc/contrib.texi: List contributors for Ada front end
12030
12031 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
12032
12033         * simplify-rtx.c (simplify_unary_operation_1,
12034         simplify_const_unary_operation): New, extracted from...
12035         (simplify_unary_operation): ... this one.
12036         (simplify_binary_operation_1,
12037         simplify_const_binary_operation): New, extracted from...
12038         (simplify_binary_operation): ... this one.
12039         * rtl.h (simplify_const_unary_operation,
12040         simplify_const_binary_operation): Add prototypes.
12041
12042 2005-02-28  Julian Brown  <julian@codesourcery.com>
12043
12044         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
12045         building libjava and caused PR regression/20228.
12046
12047 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
12048
12049         PR bootstrap/17383
12050         * Makefile.in (host_subdir): New.
12051         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
12052         * configure: Regenerate.
12053
12054 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
12055
12056         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
12057         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
12058         installation directory first.
12059
12060 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
12061
12062         PR target/19065.
12063         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
12064         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
12065         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
12066         * config/cris/cris.md: Tweak comments referring to Q.
12067         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
12068         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
12069         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
12070         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
12071         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
12072         Insert spaces in constraints to align alternatives vertically for
12073         readability.
12074         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
12075         operand 1: "M".
12076
12077 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12078
12079         PR rtl-optimization/17728
12080         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
12081         operand 0 from general_operand to move_dest_operand.
12082
12083 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12084
12085         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
12086         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
12087         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
12088         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
12089
12090 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
12091
12092         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
12093         * configure: Regenerate.
12094         * libada-mk.in: Remove CC; rename
12095         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
12096
12097 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
12098
12099         PR tree-opt/20188
12100         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
12101         for the lhs, also walk over the tree.  Likewise for rhs.
12102
12103 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
12104
12105         * tree-ssa-dom.c (simple_iv_increment_p): New function.
12106         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
12107         Do not propagate value of iv before increment over the increment.
12108
12109 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
12110
12111         * c-parser.c: New file.
12112         * c-parse.in: Remove.
12113         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
12114         Remove.
12115         (c-parser.o): Add dependencies.
12116         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
12117         maintainer-clean, TAGS): Update.
12118         * c-config-lang.in (gtfiles): Update.
12119         * gengtype-lex.l: Don't handle "@@".
12120         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
12121         objc_build_synchronized, objc_begin_try_stmt,
12122         objc_begin_catch_clause, objc_finish_catch_clause,
12123         objc_build_finally_clause, objc_finish_try_stmt): New.
12124         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
12125         type_seen_p.
12126         (c_parse_init): Update comment.
12127         * c-decl.c (c_init_decl_processing): Update comment.
12128         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
12129         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
12130         new c_declspecs members.
12131
12132 2005-02-25  Julian Brown  <julian@codesourcery.com>
12133
12134         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
12135         from being used for symbols with vague linkage when
12136         HAVE_GAS_COMDAT_GROUP is true.
12137
12138 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
12139
12140         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
12141
12142 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
12143
12144         PR target/19930
12145         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
12146         (LIBGCC2_HAS_DF_MODE): New.
12147         (LIBGCC2_HAS_XF_MODE): New.
12148         (LIBGCC2_HAS_TF_MODE): New.
12149         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
12150         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
12151         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
12152         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
12153         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
12154         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
12155         and add _fixtfdi, _fixunstfdi, _floatditf
12156         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
12157         L_fixunstfdi, L_floatditf.
12158         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
12159         (LIBGCC2_HAS_TF_MODE): Define.
12160
12161 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
12162
12163         PR tree-optimization/20204
12164         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
12165         REWRITE_THIS_STMT markers on PHI nodes.
12166         (rewrite_initialize_block): Likewise.
12167
12168 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
12169
12170         * version.c (version_string): Update to 4.1.
12171
12172 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
12173
12174         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
12175         Clarify that the alternative way doesn't work in GNU C++.
12176
12177 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
12178
12179         PR tree-optimization/19937
12180         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
12181         to the type of the induction variable.
12182
12183 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
12184
12185         PR rtl-optimization/20117
12186         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
12187         the block including noncopyable insn.
12188
12189 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
12190
12191         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
12192         calls to find_reg_note.
12193
12194 2005-02-24  Richard Henderson  <rth@redhat.com>
12195
12196         PR tree-opt/20127
12197         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
12198         the type.
12199
12200 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
12201
12202         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
12203         vector types if to use base reg for misaligned non-word ld/std.
12204
12205 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
12206
12207         PR target/14619
12208         * config/cris/cris.c (cris_target_asm_function_prologue): Create
12209         dwarf2 label manually and put it after, not before the prologue.
12210
12211 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
12212
12213         PR target/19019
12214         * reload.c (operands_match_p): Only increment register number for
12215         SCALAR_INT_MODE_P modes in multiple hard registers.
12216
12217         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
12218         Fix formatting.
12219
12220 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
12221
12222         * ChangeLog.5: Fix log message typo(s).
12223         * ChangeLog.7: Likewise.
12224         * ChangeLog.tree-ssa: Likewise.
12225         * cfgexpand.c: Fix comment typo(s).
12226         * conflict.c: Likewise.
12227         * defaults.h: Likewise.
12228         * dwarf2out.c: Likewise.
12229         * gcse.c: Likewise.
12230         * ggc-page.c: Likewise.
12231         * tree-eh.c: Likewise.
12232         * tree-ssa-dom.c: Likewise.
12233
12234 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
12235
12236         PR target/19019
12237         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
12238         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
12239         if SHARED is defined.
12240
12241         PR target/20196
12242         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
12243         allow splitting only if operands 0 and 3 don't overlap.
12244
12245 2005-02-24  Richard Henderson  <rth@redhat.com>
12246
12247         PR middle-end/19953
12248         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
12249         (fold_builtin_1): Call them.
12250         * fold-const.c (fold_complex_mult_parts): Split out from ...
12251         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
12252         (fold_complex_div_parts, fold_complex_div): New.
12253         (fold): Use them.
12254         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
12255
12256 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
12257
12258         * tree-ssa-ccp.c (visit_assignment): Verify that result of
12259         VIEW_CONVERT_EXPR is_gimple_min_invariant.
12260
12261         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
12262         (print_node): Likewise.
12263         Print TYPE_SIZES_GIMPLIFIED.
12264
12265 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
12266
12267         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
12268         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
12269         operands as commutative in constraints.
12270
12271 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
12272
12273         * tree-into-ssa.c: Re-organize internal functions.
12274
12275 2005-02-24  Richard Henderson  <rth@redhat.com>
12276
12277         PR middle-end/18902
12278         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
12279         for c99.
12280         * common.opt (fcx-limited-range): New.
12281         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
12282         * toplev.c (flag_complex_method): Initialize to 1.
12283         (process_options): Set flag_complex_method to 0 if
12284         flag_cx_limited_range.
12285         * doc/invoke.texi (-fcx-limited-range): New.
12286
12287 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
12288
12289         * cse.c (delete_trivially_dead_insns): Speed up by using
12290         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
12291         prev_real_insn.
12292
12293 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
12294
12295         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
12296         functions when -mid-shared-library is being used.
12297
12298 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
12299
12300         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
12301         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
12302         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
12303         * system.h: Poison LINK_LIBGCC_SPECIAL.
12304
12305 2005-02-23  James E Wilson  <wilson@specifixinc.com>
12306
12307         * gengtype.c (note_insn_name): Make 1 element larger.
12308
12309 2005-02-23  Roger Sayle  <roger@eyesopen.com>
12310
12311         PR target/20018
12312         PR rtl-optimization/20097
12313         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
12314         BImode SUBREGs of SImode registers which confuse the ia64 backend.
12315
12316 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
12317
12318         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
12319         * t-aix52 (SHLIB_INSTALL): Same.
12320
12321 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
12322
12323         * genpreds.c: Update copyright.
12324
12325 2005-02-23  Michael Beach  <michaelb@ieee.org>
12326
12327         PR target/20159
12328         * config/sparc/t-elf (startup files): Assemble with CPP.
12329
12330 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
12331
12332         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
12333         (write_predicate_expr): Likewise.
12334
12335 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
12336
12337         PR tree-optimization/20100
12338         PR tree-optimization/20115
12339         * tree-optimize.c (init_tree_optimization_passes): Remove
12340         pass_maybe_create_global_var.
12341         * tree-pass.h (pass_maybe_create_global_var): Remove.
12342         * tree-ssa-alias.c (aliases_computed_p): Declare.
12343         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
12344         (count_calls_and_maybe_create_global_var): Remove.
12345         (pass_maybe_create_global_var): Remove.
12346         (init_alias_info): Do not declare aliases_computed_p.
12347         (maybe_create_global_var): If the function contains no
12348         call-clobbered variables and a mix of pure/const and regular
12349         function calls, create .GLOBAL_VAR.
12350         Mark all call-clobbered variables for renaming.
12351         (merge_pointed_to_info): Update comment.
12352         (add_pointed_to_var): Likewise.
12353         (is_escape_site): Likewise.
12354         Accept struct alias_info * instead of size_t *.
12355         Update all users.
12356         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
12357         as necessary.
12358         * tree-ssa-operands.c (get_call_expr_operands): If
12359         ALIASES_COMPUTED_P is false, do not add call-clobbering
12360         operands.
12361         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
12362         (delete_tree_ssa): Likewise.
12363
12364 2005-02-22  James E Wilson  <wilson@specifixinc.com>
12365
12366         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
12367         (do_compile): Do call it here.
12368
12369 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
12370
12371         PR rtl-optimization/20017.
12372         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
12373         rest_of_handle_cse2, rest_of_handle_gcse): Call
12374         delete_dead_jumptables immediately before calling cleanup_cfg.
12375
12376 2005-02-22  Devang Patel  <dpatel@apple.com>
12377
12378         PR 19952
12379         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
12380         all labels
12381
12382 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
12383
12384         * config/rs6000/aix.h (WINT_TYPE): Define.
12385
12386 2005-02-22  Stan Shebs  <shebs@apple.com>
12387
12388         * config/rs6000/rs6000.c (rs6000_override_options): Default to
12389         natural alignment for 64-bit Darwin.
12390         (rs6000_parse_alignment_option): Warn about uses of -malign-power
12391         on 64-bit Darwin.
12392         * doc/invoke.texi: Document this.
12393
12394 2005-02-22  DJ Delorie  <dj@redhat.com>
12395
12396         * c-common.c (c_common_type_for_mode): Pass the mode's precision
12397         to make_[un]signed_type, not the mode itself.
12398
12399 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
12400
12401         * cfg.c (cached_make_edge): Call make_edge if edge cache is
12402         not available.  Use tail calls wherever possible.
12403         (make_edge): Call unchecked_make_edge to create an edge.
12404
12405         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
12406         (coalesce_ssa_name): Don't check for
12407         SSANORM_USE_COALESCE_LIST.
12408         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
12409
12410 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
12411
12412         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
12413         (rewrite_into_ssa): ... here.
12414
12415 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
12416
12417         PR tree-optimization/19786
12418         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
12419         tag to another's may-alias bitmap when adding to the other's list.
12420
12421 2005-02-21  DJ Delorie  <dj@redhat.com>
12422
12423         * tree-ssa-loop-ivopts.c (computation_cost): Start register
12424         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
12425         registers in unsupported ways.
12426         * expmed.c (init_expmed): Likewise.
12427
12428 2005-02-21  Stan Cox  <scox@redhat.com>
12429
12430         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
12431
12432 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
12433
12434         * tree-cfg.c (fold_cond_expr_cond): New.
12435         (make_edges): Call fold_cond_expr_cond.
12436         (find_taken_edge): Accept nothing but INTEGER_CST.
12437         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
12438         and 1.
12439         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
12440
12441         * flow.c (delete_dead_jumptables): Speed up by scanning insns
12442         that do not belong to any basic block.
12443
12444 2005-02-21  Jeff Law  <law@redhat.com>
12445
12446         * cfganal.c (find_unreachable_blocks): Manually CSE load of
12447         e->dest.
12448
12449 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
12450
12451         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
12452         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
12453         Adjust their definitions.
12454         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
12455         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
12456
12457         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
12458         genautomata.c, langhooks.c, langhooks.h, system.h,
12459         config/arm/lib1funcs.asm: Update copyright.
12460
12461 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
12462
12463         * dbxout.c (dbxout_function_end): Emit Lscope label always.
12464
12465 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
12466
12467         PR bootstrap/13770
12468         * doc/install.texi: Document --with-gc.
12469
12470 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
12471
12472         * simplify-rtx.c (simplify_unary_operation): Add a missing
12473         "break" statement.
12474
12475 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
12476
12477         PR tree-optimization/18663
12478         * tree-ssa-dom.c (extract_range_from_cond): Return 0
12479         if the type has variable bounds.
12480
12481 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
12482
12483         * gcse.c: Remove an obsolete comment.
12484
12485         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
12486
12487 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
12488
12489         * doc/extend.texi (Function Attributes) <Attribute const>: The
12490         attribute "pure" is below this text, not above.
12491
12492 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12493
12494         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
12495         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
12496         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
12497
12498 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
12499
12500         PR 18785
12501         * langhooks.h (struct lang_hooks): Add to_target_charset.
12502         * langhooks.c (lhd_to_target_charset): New function.
12503         * langhooks-def.h: Declare lhd_to_target_charset.
12504         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
12505         (LANG_HOOKS_INITIALIZER): Update.
12506         * c-common.c (c_common_to_target_charset): New function.
12507         * c-common.h: Declare it.
12508         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
12509         c_common_to_target_charset.
12510
12511         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
12512         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
12513         Delete definitions.
12514         * system.h: Poison them.
12515         * doc/tm.texi: Don't discuss them.
12516         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
12517         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
12518         (pp_c_char): Do not attempt to generate letter escapes for
12519         newline, tab, etc.
12520         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
12521         * config/mips/mips.c (mips_output_ascii): Likewise.
12522
12523 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
12524
12525         PR tree-optimization/19951
12526         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
12527         is abnormal.
12528
12529 2005-02-19  Steven Bosscher  <stevenb@suse.de>
12530
12531         PR middle-end/19698
12532         * function.h (struct function): New field `max_loop_depth'.
12533         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
12534         (flow_loops_find): Reset the max loop depth count before finding loops.
12535         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
12536         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
12537         (calculate_global_regs_live): Make sure the loop will terminate
12538         when the initial sets are not empty.
12539
12540 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
12541
12542         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
12543         object inside.
12544         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
12545
12546 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
12547
12548         PR other/19525
12549         * doc/invoke.texi: Remove documentation of %M spec.
12550         * gcc.c: Likewise.
12551         (init_spec): Remove %M suffix from -lgcc_s.
12552         (do_spec_1): Remove 'M' case.
12553         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
12554         to put shared libraries in the multilib directory.  Remove the
12555         shlib_so_soname substitution variable.  Don't add a multilib encoding
12556         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
12557         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
12558         SHLIB_INSTALL as well as SHLIB_LINK.
12559         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
12560         (SHLIB_NAME): Delete.
12561         (SHLIB_DIR): New macro.
12562         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
12563         (SHLIB_INSTALL): Adjust accordingly.
12564         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
12565         * config/t-slibgcc-sld: Likewise.
12566         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
12567         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
12568         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
12569         in $(SHLIB_DIR).
12570         (SHLIBUNWIND_INSTALL): Adjust accordingly.
12571         * config/i386/t-nwld (SHLIB_SONAME): Delete.
12572         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
12573         Use @shlib_base_name@ instead of @shlib_so_name@.
12574         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
12575         and @shlib_base_name@.so in @multilib_dir@.
12576         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
12577         to the install path.
12578         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
12579         (SHLIB_LINK): Remove previous workaround.
12580         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
12581         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
12582         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
12583         the install path.
12584         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
12585         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
12586         (SHLIB_INSTALL): Adjust accordingly.
12587         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
12588         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
12589         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
12590         config/t-slibgcc-elf-ver.
12591
12592 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
12593             Jakub Jelinek  <jakub@redhat.com>
12594
12595         PR tree-optimization/19828
12596         * tree-ssa-loop-im.c: Add a TODO comment.
12597         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
12598         without side-effects.
12599
12600 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
12601
12602         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
12603         call fold_convert.
12604
12605 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
12606
12607         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
12608         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
12609         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
12610         functions.
12611         (ia64_reorg): Delete fixup_errata call.
12612         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
12613         (TARGET_SWITCHES): Delete -mb-step entry.
12614
12615 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
12616
12617         PR c/20043
12618         * c-typeck.c (composite_type): Handle quals in transparent unions.
12619         (type_lists_compatible_p): Likewise.
12620
12621 2005-02-18  Stan Shebs  <shebs@apple.com>
12622
12623         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
12624         expressions in the .literal8 section.
12625
12626 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
12627
12628         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
12629
12630 2005-02-18  Roger Sayle  <roger@eyesopen.com>
12631
12632         * fold-const.c (constant_boolean_node): Always create values of the
12633         specified type, don't bother calling truthvalue_conversion.
12634
12635 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
12636
12637         * except.c (output_function_exception_table): Call
12638         assemble_external_libcall (eh_personality_libfunc).
12639
12640 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
12641
12642         PR target/19886
12643         * config/ia64/ia64.h (struct machine_function): Add state_num.
12644         * config/ia64/ia64.c (process_epilogue,
12645         process_for_unwind_directive): Use new unwind state numbers each
12646         time rather than state 1.
12647
12648 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
12649
12650         PR target/20054
12651         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
12652         before the "*llgt_didi" pattern.
12653
12654 2005-02-18  Jason Merrill  <jason@redhat.com>
12655
12656         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
12657
12658 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
12659
12660         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
12661         (div0): Use it in place of ARM_FUNC_ALIAS.
12662         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
12663
12664 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
12665
12666         PR middle-end/20030
12667         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
12668         access, the lower bound of the array type if it exists.
12669
12670 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
12671
12672         PR c++/20008
12673         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
12674         cases that are out-of-range for the index type.
12675
12676 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
12677
12678         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
12679         (estimate_case_costs): Don't call convert.
12680         * expmed.c (expand_shift): Likewise.
12681         (make_tree): Call fold_convert instead of convert.
12682
12683 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
12684
12685         PR c++/19813
12686         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
12687         that ref to be marked MEM_READONLY_P doesn't have base that needs
12688         constructing.
12689
12690 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
12691
12692         * genautomata.c (output_get_cpu_unit_code_func,
12693         output_cpu_unit_reservation_p): Don't generate old-style function
12694         definitions.
12695
12696 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
12697
12698         PR c++/20023
12699         PR tree-optimization/20009
12700         * convert.c (convert_to_integer): Revert 2005-02-16 change.
12701
12702         PR tree-optimization/18947
12703         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
12704         inline, remove all nodes that are inlined into the extern inline
12705         being redefined.
12706
12707 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
12708
12709         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
12710         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
12711         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
12712         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
12713         Update copyright.
12714
12715 2005-02-17  Roger Sayle  <roger@eyesopen.com>
12716
12717         PR tree-optimization/19917
12718         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
12719         to be potentially trapping.
12720
12721 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
12722
12723         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
12724
12725 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
12726
12727         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
12728         tem becomes a local variable which is set to the value of the
12729         back end defined INITIAL_FRAME_ADDRESS macro.
12730         (expand_builtin_frame_address): Omit the base parameter to
12731         expand_builtin_return_addr.
12732         (expand_builtin_profile_func): Likewise.
12733         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
12734         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
12735         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
12736
12737 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
12738
12739         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
12740         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
12741         * config/frv/frv.c (frv_function_epilogue): Likewise.
12742
12743 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
12744
12745         * lambda-code (perfect_nestify): Remove mark/unmark
12746         for rewriting hack.
12747         * tree-loop-linear.c (linear_transform_loops): Add
12748         rewrite_into_ssa call so that ssa is correct for
12749         rewriting into loop closed.
12750
12751 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
12752
12753         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
12754         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
12755         BITMAP_FREE.
12756         * bt-load.c (btr_def_live_range, combine_btr_defs,
12757         migrate_btr_def, migrate_btr_defs): Likewise.
12758         * cfgcleanup.c (thread_jump): Likewise.
12759         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
12760         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
12761         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
12762         df_rd_local_compute, df_reg_info_compute): Likewise.
12763         * dominance.c (init_dom_info, free_dom_info): Likewise.
12764         * flow.c (init_propagate_block_info,
12765         free_propagate_block_info): Likewise.
12766         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
12767         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
12768         modify_reg_pav): Likewise.
12769         * loop-invariant.c (find_defs, find_invariant_insn,
12770         find_invariants, free_inv_motion_data): Likewise.
12771         * predict.c (tree_predict_by_opcode,
12772         estimate_bb_frequencies): Likewise.
12773         * stmt.c (expand_case): Likewise.
12774         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
12775         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
12776         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
12777         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
12778         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
12779         rewrite_ssa_into_ssa): Likewise.
12780         * tree-optimize.c (tree_rest_of_compilation): Likewise.
12781         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
12782         analyze_edges_for_bb, perform_edge_inserts): Likewise.
12783         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
12784         * tree-sra.c (tree_sra): Likewise.
12785         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
12786         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
12787         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
12788         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
12789         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
12790         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
12791         Likewise.
12792         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
12793         calculate_live_on_entry, calculate_live_on_exit,
12794         build_tree_conflict_graph): Likewise.
12795         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
12796         record_important_candidates, set_use_iv_cost, find_depends,
12797         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
12798         tree_ssa_iv_optimize_finalize): Likewise.
12799         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
12800         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
12801         tree_duplicate_loop_to_header_edge): Likewise.
12802         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
12803         * tree-ssa.c (verify_flow_insensitive_alias_info,
12804         verify_name_tags, verify_ssa, init_tree_ssa,
12805         delete_tree_ssa): Likewise.
12806         * tree-ssanames.c (marked_ssa_names, init_ssanames,
12807         fini_ssanames): Likewise.
12808         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
12809
12810 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
12811
12812         * config/rs6000/t-rtems: Completely reworked.
12813
12814 2005-02-17  Ira Rosen  <irar@il.ibm.com>
12815
12816         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
12817
12818 2005-02-17  Ira Rosen  <irar@il.ibm.com>
12819
12820         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
12821         POINTER_TYPE_P when checking that type is a pointer.
12822         (vect_get_memtag): Remove.
12823         (vect_address_analysis): Use POINTER_TYPE_P. Call
12824         vect_object_analysis with dummy parameter for memtag.
12825         (vect_object_analysis): Extract memtag (functionality that
12826         used to be in vect_get_memtag and moved here). Fix printings.
12827         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
12828         with correct parameters. Remove call to vect_get_memtag.
12829
12830 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
12831
12832         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
12833         (tree-vectorizer.o): Added missing dependencies.
12834
12835         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
12836         decleration.
12837         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
12838         declaration in tree-vectorizer.c, now has an extern declaration in
12839         tree-vectorizer.h).
12840         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
12841         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
12842         get_vectype_for_scalar_type, vect_is_simple_use,
12843         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
12844         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
12845         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
12846         vectorizable_store, vectorizable_operation, vectorizable_assignment,
12847         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
12848         find_loop_location): Likewise.
12849
12850         * tree-vectorizer.c (langhooks.h): #include removed.
12851         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
12852         moved to tree-vectorized.h.
12853         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
12854         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
12855         get_vectype_for_scalar_type, vect_is_simple_use,
12856         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
12857         vect_supportable_dr_alignment, new_loop_vec_info,
12858         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
12859         vect_set_verbosity_level, find_loop_location): Likewise.
12860
12861         (vect_analyze_loop): Function externalized. Declaration moved to
12862         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
12863         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
12864         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
12865         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
12866         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
12867         vect_enhance_data_refs_alignment, vect_analyze_operations,
12868         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
12869         vect_stmt_relevant_p, vect_get_loop_niters,
12870         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
12871         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
12872         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
12873         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
12874         vect_get_memtag): Likewise.
12875
12876         (vectorizable_load): Function externalized. Declaration moved to
12877         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
12878         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
12879         vect_transform_loop): Likewise.
12880         (vect_transform_stmt): Moved to tree-vect-transform.c.
12881         (vect_align_data_ref, vect_create_destination_var,
12882         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
12883         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
12884         vect_get_vec_def_for_operand, vect_init_vector,
12885         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
12886         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
12887         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
12888         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
12889         vect_do_peeling_for_loop_bound): Likewise.
12890
12891         * tree-vect-analyze.c: New file.
12892         * tree-vect-transform.c: New file.
12893
12894 2005-02-17  Jason Merrill  <jason@redhat.com>
12895
12896         PR mudflap/19319, c++/19317
12897         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
12898         slot explicit.
12899
12900 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
12901
12902         * doc/install.texi (Specific): Update link for Darwin-specific
12903         tool binary site.
12904
12905 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
12906
12907         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
12908         constant_boolean_node.
12909
12910 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
12911
12912         PR target/19019
12913         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
12914         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
12915
12916 2005-02-16  Richard Henderson  <rth@redhat.com>
12917
12918         PR 19920
12919         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
12920         with W_TYPE_SIZE.
12921         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
12922         replace uses with Wtype_MAXp1_F.
12923         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
12924         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
12925         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
12926         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
12927         and HAVE_TFMODE as appropriate.
12928         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
12929         (__floatdisf): Likewise.
12930         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
12931         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
12932         (Wtype_MAXp1_F): New.
12933         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
12934         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
12935
12936 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
12937
12938         * PR target/19162
12939         * arm.c (arm_apply_result_size): New function.
12940         * arm.h (APPLY_RESULT_SIZE): Define.
12941         * arm-protos.h (arm_apply_result_size): Add prototype.
12942         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
12943         (movxf): New expand.
12944         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
12945         (call_value_symbol): Remove predicate for operand 0.
12946         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
12947         (untyped_call): Rework to correclty return values for any type.
12948         (untyped_return): New expand.
12949         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
12950
12951 2005-02-16  Stan Shebs  <shebs@apple.com>
12952
12953         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
12954         * config/rs6000/t-darwin8: New, for 64-bit multilib.
12955
12956 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
12957
12958         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
12959         configure settings on Solaris 7 and later.
12960
12961 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
12962
12963         PR tree-optimization/19865
12964         * tree-optimize.c (init_tree_optimization_passes): Run
12965         pass_may_alias after pass_sra.
12966
12967 2005-02-16  Richard Henderson  <rth@redhat.com>
12968             Stuart Hastings  <stuart@apple.com>
12969
12970         PR debug/19521
12971         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
12972         Do nothing if debug info suppressed for this function.
12973         (dbxout_begin_function): Early exit if debug info suppressed for
12974         this function.
12975
12976 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
12977
12978         PR target/20007
12979         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
12980         find_basic_blocks.
12981         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
12982
12983         PR tree-optimization/19967
12984         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
12985         expand_builtin_strchr, expand_builtin_strrchr): Take a new
12986         argument TYPE.  Adjust calls to fold_builtin_XXX.
12987         (expand_builtin, fold_builtin_1): Adjust calls to
12988         expand_builtin_XXX.
12989         (fold_builtin_strchr, fold_builtin_strpbrk,
12990         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
12991         result to a requested type TYPE.
12992
12993 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
12994
12995         PR middle-end/19857
12996         * fold-const.c (fold): Don't optimize (T)(x & cst) to
12997         (T)x & (T)cst if (T)cst overflows.
12998         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
12999         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
13000
13001 2005-02-15  Jeff Law  <law@redhat.com>
13002
13003         * gcse.c (blocks_with_calls): New bitmap.
13004         (alloc_gcse_mem): Allocate it.
13005         (free_gcse_mem): Free it.
13006         (clear_modifY_mem_tables): Clear it.
13007         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
13008         when we encounter CALL_INSNs.
13009         (compute_transp, case MEM): Handle blocks with calls separate
13010         from blocks without calls.  Use bitmap iterators rather than
13011         FOR_EACH_BB.
13012
13013 2005-02-15  Peter O'Gorman  <peter@pogma.com>
13014
13015         PR bootstrap/18810
13016         * mklibgcc.in (vis_hide): Use a temporary object file, not
13017         -o /dev/null.
13018
13019 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
13020
13021         PR target/19924
13022         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
13023         access optimization.
13024
13025 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
13026             Alan Modra  <amodra@bigpond.net.au>
13027
13028         PR target/19019
13029         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
13030         (_xlqsub): Rename to __gcc_qsub.
13031         (_xlqmul): Rename to __gcc_qmul.
13032         (_xlqdiv): Rename to __gcc_qdiv.
13033         Provide versioned symbol aliases with old names.
13034         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
13035         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
13036         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
13037         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
13038         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
13039
13040 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
13041
13042         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
13043         Fold ~(A - 1) and ~(A + -1) to -A.
13044
13045 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
13046
13047         PR pch/14940
13048         PR target/19300
13049         * config/host-linux.c (linux_gt_pch_use_address): Copy from
13050         config/pa/pa-host.c:pa_gt_pch_use_address.
13051
13052 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
13053
13054         * tree-vn.c (get_value_handle): Make sure that given an
13055         is_gimple_min_invariant expression, we always return it.
13056
13057 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
13058
13059         * passes.c (rest_of_handle_gcse): Fix a comment.
13060
13061 2005-02-15  Jeff Law  <law@redhat.com>
13062
13063         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
13064         bitmap.
13065         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
13066         (canon_list_insert, record_last_mem_set_info): Similarly.
13067         (clear_modify_mem_tables): Similarly.
13068
13069 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
13070
13071         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
13072         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
13073         config/mips/mips.md, config/rs6000/aix.h,
13074         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
13075
13076 2005-02-15  Richard Henderson  <rth@redhat.com>
13077
13078         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
13079         call to be best_edge.
13080
13081 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
13082
13083         * basic-block.h: Adjust the prototype for find_basic_blocks.
13084         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
13085         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
13086         find_basic_blocks.
13087
13088         * flow.c (recompute_reg_usage): Remove all arguments.
13089         * passes.c (rest_of_compilation): Adjust the call to
13090         recompute_reg_usage.
13091         * rtl.h: Adjust the prototype for recompute_reg_usage.
13092
13093 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
13094
13095         * tree-dump.c (dump_files): Update to reflect new member
13096         of dump_file_info.
13097         (dump_register): Add new argument.
13098         Set glob name.
13099         (dump_switch_p_1): Check against glob name if doglob was passed.
13100         (dump_switch_p): Check against regular first, then glob if
13101         we didn't have any hits on the dump name.
13102         * tree-optimize.c (register_one_dump_file):
13103         Pass in glob name as well.
13104         * tree-pass.h (struct dump_file_info): Add glob
13105         member.
13106
13107 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
13108
13109         PR preprocessor/16323
13110         * doc/invoke.texi: Document that -Wendif-labels is on by default.
13111
13112 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
13113
13114         PR target/19019
13115         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
13116         (trunctfdf2_internal1): New.
13117         (trunctfdf2_internal2): Renamed from trunctfdf2.
13118
13119 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
13120
13121         PR tree-optimization/19853
13122         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
13123
13124 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
13125
13126         * passes.c (rest_of_handle_loop_optimize): Remove calls to
13127         delete_dead_jumptables and cleanup_cfg.
13128
13129 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
13130
13131         * reload.c (find_reloads): Swap address_reloaded flags when
13132         swapping commutative operands.
13133
13134 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
13135
13136         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
13137         Use standard_iv_increment_position for computing the bsi position
13138         for create_iv.
13139         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
13140         the bsi position.
13141
13142 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
13143
13144         PR target/17428
13145         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
13146         life range of hard registers.
13147         * value-prof.c (insn_prefetch_values_to_profile): Only
13148         scan normal insns.
13149
13150         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
13151         profile in libcalls.
13152
13153 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
13154
13155         * bitmap.h (bitmap_and_compl_into): Return bool.
13156         * bitmap.c (bitmap_and_compl_into): Return changed flag.
13157
13158 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
13159
13160         PR tree-optimization/19944
13161         * fold-const.c (fold): Re-add ABS_EXPR folding.
13162
13163 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
13164
13165         PR target/19019
13166         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
13167         {TARGET,MASK}_XL_COMPAT.
13168         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
13169         MASK_XL_COMPAT.
13170         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
13171         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
13172         TARGET_XL_COMPAT.
13173         (rs6000_arg_partial_bytes): Same.
13174         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
13175         and XL compatibility enabled.
13176         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
13177         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
13178         test to final condition.
13179         (cmptf_internal2): New.
13180         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
13181         xl-compat.  Add TFmode information to description.
13182
13183 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
13184
13185         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
13186
13187 2005-02-13  Jason Merrill  <jason@redhat.com>
13188
13189         PR c++/16405
13190         * fold-const.c (fold_indirect_ref_1): Split out from...
13191         (build_fold_indirect_ref): Here.
13192         (fold_indirect_ref): New fn.
13193         * tree.h: Declare it.
13194         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
13195         (gimplify_modify_expr_rhs): Likewise.
13196         (gimplify_expr): Likewise.
13197
13198 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
13199
13200         PR tree-optimization/14303
13201         PR tree-optimization/15784
13202         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
13203         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
13204         ABS_EXPR<x> != 0 to x != 0.
13205
13206 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
13207
13208         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
13209         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
13210         spelling conventions.
13211
13212         * passes.c (rest_of_handle_gcse): Don't run cse_main and
13213         delete_trivially_dead_insns too many times.
13214
13215         * passes.c (rest_of_handle_gcse): Remove dead assignments to
13216         tem and tem2.
13217
13218 2005-02-12  Ira Rosen  <irar@il.ibm.com>
13219
13220         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
13221         (vect_is_simple_iv_evolution): Remove redundant parameter
13222         and step check.
13223         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
13224         without last parameter.
13225         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
13226         Return pointer step. Call vect_is_simple_iv_evolution without
13227         last parameter. Check only that the step is multiple of size
13228         type. Remove stmt_vinfo updates.
13229         (vect_get_memtag_and_dr): Remove.
13230         (vect_get_memtag): New function.
13231         (vect_address_analysis): New function.
13232         (vect_object_analysis): New function.
13233         (vect_analyze_data_refs): Call vect_object_analysis and
13234         vect_get_memtag. Update stmt_vinfo fields.
13235
13236 2005-02-12  Ira Rosen  <irar@il.ibm.com>
13237
13238         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
13239         exist and are objects. Remove checks for pointer.
13240         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
13241         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
13242         (vect_create_data_ref_ptr): Likewise.
13243         (vect_base_addr_differ_p): New function.
13244         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
13245         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
13246         Don't set the DR_BASE_NAME field of data-ref.
13247         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
13248
13249 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
13250
13251         * optabs.h (enum optab_index): Add new OTI_ldexp.
13252         (ldexp_optab): Define corresponding macro.
13253         * optabs.c (init_optabs): Initialize ldexp_optab.
13254         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
13255         patterns.
13256         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
13257         using ldexp_optab.
13258         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
13259         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
13260
13261         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
13262         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
13263         intrinsics.
13264
13265 2005-02-12  Ira Rosen  <irar@il.ibm.com>
13266
13267         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
13268         to base_address.
13269         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
13270         stmt_vec_info.
13271         (vect_get_base_and_offset): Always return an address.
13272         (vect_create_addr_base_for_vector_ref): Remove treatment for
13273         different data reference types.
13274         (vect_compute_data_ref_alignment): Rename base to base_address in
13275         stmt_vec_info. Get the object in order to force its alignment.
13276         (vect_get_memtag_and_dr): Rename base to base_address in
13277         stmt_vec_info. Extract the object for memtag analysis.
13278
13279 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
13280
13281         PR regression/19898.
13282         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
13283         changes cc_status, use apply modified_in_p to part of cc_status
13284         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
13285         body.
13286
13287 2005-02-11  Richard Henderson  <rth@redhat.com>
13288
13289         * tree-complex.c (expand_complex_libcall): New.
13290         (expand_complex_multiplication): Use it for c99 compliance.
13291         (expand_complex_division): Likewise.
13292         * fold-const.c (fold_complex_add, fold_complex_mult): New.
13293         (fold): Call them.
13294         * builtins.c (built_in_names): Remove const.
13295         * tree.c (build_common_builtin_nodes): Build complex arithmetic
13296         builtins.
13297         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
13298         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
13299         (built_in_names): Remove const.
13300         * c-common.c (c_common_type_for_mode): Handle complex modes.
13301         * flags.h, toplev.c (flag_complex_method): Rename from
13302         flag_complex_divide_method.
13303         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
13304         __mulsc3, __muldc3, __mulxc3, __multc3): New.
13305         * libgcc2.h: Declare them.
13306         * libgcc-std.ver: Export them.
13307         * mklibgcc.in (lib2funcs): Build them.
13308
13309 2005-02-11  Steven Bosscher  <stevenb@suse.de>
13310
13311         PR tree-optimization/19876
13312         Partially revert my change from 2005-01-14
13313         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
13314         (compute_antic): ...and remove the loop here.
13315
13316 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
13317
13318         PR middle-end/19858
13319         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
13320         is number of inner's bits, avoid creating a BIT_FIELD_REF.
13321
13322         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
13323         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
13324
13325 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
13326
13327         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
13328         offsets for the big-endian 32-bit case.
13329
13330 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
13331
13332         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
13333
13334 2005-02-11  Dale Johannesen  <dalej@apple.com>
13335
13336         * cselib.c (cselib_process_insn):  Clear out regs where
13337         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
13338         * reload.c (find_equiv_reg): Ditto.
13339
13340 2005-02-11  Ian Lance Taylor  <ian@airs.com>
13341
13342         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
13343         with no elements.
13344
13345         * tree.c (build_function_type_list): Work correctly if there are
13346         no arguments.
13347
13348 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
13349
13350         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
13351         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
13352         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
13353         TARGET_ZARCH instead of TARGET_64BIT.
13354
13355 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
13356
13357         * config/rs6000/t-rtems:
13358         (MULTILIB_OPTIONS): Remove mcpu=602.
13359         (MUTLILIB_DIRNAMES): Remove m602.
13360         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
13361         Let mcpu=602 match mcpu=603.
13362         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
13363
13364 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13365
13366         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
13367         signal trampolines.
13368
13369 2005-02-10  David Daney  <ddaney@avtrex.com>
13370
13371         * config/alpha/linux-unwind.h: Add exception clause to copyright.
13372         * config/i386/linux-unwind.h: Likewise.
13373         * config/ia64/linux-unwind.h: Likewise.
13374         * config/mips/linux-unwind.h: Likewise.
13375         * config/pa/linux-unwind.h: Likewise.
13376         * config/rs6000/linux-unwind.h: Likewise.
13377         * config/s390/linux-unwind.h: Likewise.
13378         * config/sh/linux-unwind.h: Likewise.
13379         * config/sparc/linux-unwind.h: Likewise.
13380
13381 2005-02-10  Steven Bosscher  <stevenb@suse.de>
13382
13383         PR tree-optimization/17549
13384         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
13385         TER to replace a DEF with its expression if the DEF and the
13386         rhs of the expression we replace into have the same root
13387         variable.
13388
13389 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
13390
13391         * config/mips/mips.md: Fix the placement of the match_scratch in the
13392         lea64 peephole2.
13393
13394 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
13395
13396         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
13397         Fix comment typos.
13398
13399 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
13400
13401         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
13402         (strip_offset): Handle addresses.
13403         (add_address_candidates): Use strip_offset.
13404         (difference_cost): Reflect strip_offset change.
13405         (force_var_cost, difference_cost): Strip nops.
13406
13407 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
13408
13409         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
13410
13411         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
13412         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
13413         config/cris/cris-protos.h, config/cris/cris.c: Update
13414         copyright.
13415
13416 2005-02-10  Jeff Law  <law@redhat.com>
13417
13418         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
13419         (lookup_avail_expr): Similarly.
13420
13421 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
13422
13423         * builtins.c (fold_builtin_powi): New function.
13424         (fold_builtin_1): Call it.
13425
13426 2005-02-10  Steven Bosscher  <stevenb@suse.de>
13427
13428         PR documentation/19309
13429         * doc/cpp.texi: The __GNUC__ and related predefined macros
13430         are also defined for the "standalone" cpp.
13431         Some non-GCC compilers may also define __GNUC__.
13432
13433 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
13434
13435         PR c/19342
13436         * c-typeck.c (common_type): New routine.  Old common_type renamed
13437         to...
13438         (c_common_type): ...this.
13439         (build_conditional_expr, build_binary_op): Use c_common_type instead
13440         of common_type.
13441
13442 2005-02-10  Steven Bosscher  <stevenb@suse.de>
13443
13444         * doc/md.texi: Replace @samp{length} with @code{length}.
13445
13446 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
13447
13448         PR tree-optimization/18687
13449         * tree-flow.h (find_loop_niter): Declare.
13450         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
13451         Try using scev even for loops with more than one exit.
13452         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
13453         (struct ivopts_data): Added niters field.
13454         (struct nfe_cache_elt): New.
13455         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
13456         functions.
13457         (tree_ssa_iv_optimize_init): Initialize niters cache.
13458         (determine_number_of_iterations): Removed.
13459         (find_induction_variables): Do not call determine_number_of_iterations.
13460         Access niters for single exit through niter_for_single_dom_exit.
13461         (add_iv_outer_candidates): Access niters for single exit through
13462         niter_for_single_dom_exit.
13463         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
13464         number_of_iterations_cond.
13465         (iv_period): New function.
13466         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
13467         (may_replace_final_value): Take data argument.  Use
13468         niter_for_single_dom_exit.
13469         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
13470         (rewrite_use_compare): Pass data to may_eliminate_iv.
13471         (rewrite_use_outer): Pass data to may_replace_final_value.
13472         (free_loop_data): Clean up the niters cache.
13473         (tree_ssa_iv_optimize_finalize): Free the niters cache.
13474         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
13475         * tree-ssa-loop-niter.c (find_loop_niter): New function.
13476         (find_loop_niter_by_eval): Use tree_int_cst_lt.
13477         (num_ending_zeros): Moved to tree.c.
13478         * tree.h (num_ending_zeros): Declare.
13479         * tree.c (num_ending_zeros): Moved from tree.c.
13480
13481 2005-02-09  Richard Henderson  <rth@redhat.com>
13482
13483         * builtins.c (DEF_BUILTIN): Add COND argument.
13484         * tree.h (DEF_BUILTIN): Likewise.
13485         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
13486         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
13487         match.
13488         (DEF_BUILTIN_STUB): New.
13489         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
13490         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
13491         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
13492         * c-common.c (DEF_BUILTIN): Add COND argument.
13493         * tree.c (local_define_builtin): New.
13494         (build_common_builtin_nodes): New.
13495
13496 2005-02-09  Roger Sayle  <roger@eyesopen.com>
13497
13498         * fold-const.c (fold_strip_sign_ops): New function to simplify a
13499         floating point expression ignoring the sign of the result.
13500         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
13501         (fold) <MULT_EXPR>: Use it to simplify x*x.
13502         * tree.h (fold_strip_sign_ops): Prototype here.
13503         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
13504         argument.  Use fold_strip_sign_ops to simplify the first argument.
13505         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
13506         first argument when the second argument is an even integer
13507         constant, but only with -funsafe_math_optimizations.
13508         (fold_builtin_1): Update call to fold_builtin_copysign.
13509
13510 2005-02-09  Ian Lance Taylor  <ian@airs.com>
13511
13512         PR middle-end/19583
13513         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
13514         just check whether EH_FILTER_FAILURE falls through.
13515
13516 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
13517
13518         * gcc/haifa-sched.c (schedule_block): Make queued sched group
13519         insns return to ready list in the next turn.
13520
13521 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
13522
13523         PR middle-end/19402
13524         * builtins.def: New __builtin_powi[lf].
13525         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
13526         (expand_builtin_powi): New function.
13527         (expand_builtin): Dispatch to expand_builtin_powi.
13528         * libgcc2.h: Add prototypes for __builtin_powi[lf].
13529         * libgcc2.c: Add __builtin_powi[lf] implementation.
13530         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
13531         * optabs.h: Add powi_optab.
13532         * optabs.c (init_optabs): Initialize powi_optab.
13533         * doc/extend.texi: Document __builtin_powi[lf].
13534
13535 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
13536
13537         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
13538         exists.
13539
13540 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
13541
13542         PR middle-end/19854
13543         * fold-const.c (try_move_mult_to_index): Remove redundant
13544         type argument.  Create ADDR_EXPR with correct type.
13545         (fold): Update callers of try_move_mult_to_index.  Convert
13546         result to the appropriate type.
13547
13548 2005-02-09  Roger Sayle  <roger@eyesopen.com>
13549
13550         PR target/19597
13551         * config/avr/avr.c (default_rtx_costs): Delete.
13552         (avr_operand_rtx_cost): New function.
13553         (avr_rtx_costs): Completely rewrite.
13554
13555 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
13556
13557         PR target/19806
13558         * config/cris/cris.c (in_code): New variable.
13559         (cris_output_addr_const): Now a static function, a wrapper for
13560         output_addr_const.
13561         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
13562         case from old cris_output_addr_const.
13563         (cris_asm_output_label_ref): Similar for LABEL_REF.
13564         (cris_output_addr_const_extra): Similar for UNSPEC.
13565         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
13566         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
13567         * config/cris/cris-protos.h (cris_output_addr_const): Remove
13568         declaration.
13569         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
13570         (cris_asm_output_label_ref): Declare.
13571
13572 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
13573
13574         PR preprocessor/19801
13575         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
13576         filenames that changed when libcpp was moved to the toplevel.
13577
13578 2005-02-07  Roger Sayle  <roger@eyesopen.com>
13579
13580         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
13581         zero extensions of BImode operands.  Call lowpart_subreg instead
13582         of gen_lowpart_common and gen_lowpart_SUBREG.
13583
13584 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
13585
13586         PR ada/19489
13587         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
13588         * configure.ac: Set cc_for_cross_gnattools.
13589         * configure: Regenerate.
13590
13591 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
13592
13593         PR target/19803
13594         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
13595
13596 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
13597
13598         PR debug/19327
13599         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
13600         of nested functions.
13601
13602 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
13603
13604         * doc/extend.texi: Document deprecated extensions allowing
13605         static floating-point members to have initializers and allowing
13606         floating-point literals in integral constant expressions.
13607
13608 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
13609
13610         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
13611         config/darwin7.h, config/mips/mips.c,
13612         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
13613         Update copyright.
13614
13615         * cse.c: Update comments.
13616
13617 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
13618
13619         PR middle-end/19775
13620         * builtins.c (fold_builtin_sqrt): Transform
13621         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
13622         pow(x,y*0.5).
13623
13624 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
13625             Dorit Naishlos  <dorit@il.ibm.com>
13626
13627         * doc/invoke.texi (ftree-vectorizer-verbose): New.
13628         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
13629         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
13630         was added.
13631         * tree.h (vect_set_verbosity_level): New extern function declaration
13632         added.
13633         * tree-vectorizer.h (verbosity_levels): New enum type.
13634         * tree-vectorizer.c (vect_debug_stats): Function removed.
13635         (vect_debug_details): Likewise.
13636         (vect_verbosity_level): Global variable was defined and initialized.
13637         (vect_dump): Global variable definition.
13638         (vect_print_dump_info): New function.
13639         (vect_set_dump_settings): New function.
13640         (vect_set_verbosity_level): New function.
13641         (vectorize_loops): Add call to vect_set_dump_settings.
13642
13643         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
13644         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
13645         (slpeel_tree_peel_loop_to_edge): Likewise.
13646
13647         (vect_analyze_offset_expr): Call to vect_print_dump_info with
13648         appropriate verbosity level instead of call to vect_debug_details
13649         or vect_debug_stats.
13650         (vect_get_base_and_offset):
13651         (vect_create_addr_base_for_vector_ref):
13652         (get_vectype_for_scalar_type):
13653         (vect_create_data_ref_ptr):
13654         (vect_init_vector):
13655         (vect_get_vec_def_for_operand):
13656         (vect_finish_stmt_generation):
13657         (vectorizable_assignment):
13658         (vectorizable_operation):
13659         (vectorizable_store):
13660         (vectorizable_load):
13661         (vect_transform_stmt):
13662         (vect_update_ivs_after_vectorizer):
13663         (vect_do_peeling_for_loop_bound):
13664         (vect_update_inits_of_drs):
13665         (vect_do_peeling_for_alignment):
13666         (vect_transform_loop):
13667         (vect_is_simple_use):
13668         (vect_analyze_operations):
13669         (vect_is_simple_iv_evolution):
13670         (vect_analyze_scalar_cycles):
13671         (vect_analyze_data_ref_dependence):
13672         (vect_analyze_data_ref_dependences):
13673         (vect_compute_data_ref_alignment):
13674         (vect_enhance_data_refs_alignment):
13675         (vect_analyze_data_refs_alignment):
13676         (vect_analyze_data_ref_access):
13677         (vect_analyze_data_ref_accesses):
13678         (vect_analyze_pointer_ref_access):
13679         (vect_get_memtag_and_dr):
13680         (vect_analyze_data_refs):
13681         (vect_mark_relevant):
13682         (vect_stmt_relevant_p):
13683         (vect_mark_stmts_to_be_vectorized):
13684         (vect_can_advance_ivs_p):
13685         (vect_get_loop_niters):
13686         (vect_analyze_loop_form):
13687         (vect_analyze_loop):
13688         (vectorize_loops): Likewise.
13689
13690         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
13691         (vect_update_inits_of_drs):
13692         (vect_do_peeling_for_alignment):
13693         (vect_transform_loop):
13694         (vect_analyze_operations):
13695         (vect_analyze_scalar_cycles):
13696         (vect_analyze_data_ref_dependences):
13697         (vect_analyze_data_refs_alignment):
13698         (vect_analyze_data_ref_accesses):
13699         (vect_analyze_data_refs):
13700         (vect_mark_stmts_to_be_vectorized):
13701         (vect_get_loop_niters):
13702         (vect_analyze_loop_form):
13703         (vect_analyze_loop): Likewise.
13704         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
13705
13706 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
13707
13708         PR bootstrap/19796
13709         Revert:
13710         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
13711         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
13712         either -ffast-math or -funsafe-math-optimizations is in use.
13713
13714         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
13715         * config/mips/irix-csr.c: New file.
13716         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
13717         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
13718         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
13719         executables.
13720
13721 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
13722
13723         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
13724         redundant, incorrect definitions.
13725
13726         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
13727         expand.
13728         ("*tls_indirect_call"): New, reference hard regs directly.
13729         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
13730
13731 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
13732
13733         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
13734         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
13735
13736 2005-02-06  Roger Sayle  <roger@eyesopen.com>
13737
13738         PR rtl-optimization/19800
13739         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
13740         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
13741         gen_lowpart.
13742
13743 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
13744
13745         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
13746
13747 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
13748
13749         PR other/17135
13750         * doc/invoke.texi: Correct documentation of -freorder-functions.
13751
13752 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
13753
13754         PR other/14402
13755         * doc/invoke.texi: Don't mention gccbug.
13756
13757 2005-02-06  Roger Sayle  <roger@eyesopen.com>
13758             Andrew Pinski  <pinskia@physics.uc.edu>
13759             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
13760
13761         * simplify-rtx.c (simplify_relational_operation_1): Simplify
13762         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
13763         into just (zero_extract:SI FOO (const_int 1) BAR).
13764
13765 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
13766
13767         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
13768         macro locally.  Don't give last revision date.  Use GCC version
13769         number from gcc-common.texi.
13770         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
13771         revision date.  Use GCC version number from gcc-common.texi.
13772         Describe being a library as current state rather than as 3.x
13773         history.
13774         * doc/gcc.texi: Remove last update date.
13775         * doc/gccint.texi: Likewise.  Update copyright dates.
13776         * doc/install.texi: Update copyright dates.
13777
13778 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
13779
13780         PR other/7549
13781         * doc/invoke.texi: Mention for each option included in -Wall that
13782         it is included in -Wall.
13783         * doc/gcc.texi: Update copyright and last modification date.
13784
13785 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
13786
13787         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
13788         unnecessary cast to original induction variable increments.
13789
13790 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
13791
13792         PR tree-optimization/18219
13793         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
13794         in distributed form.
13795
13796 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
13797
13798         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
13799         Set bitpos and offset later in the function.  Do nothing if the
13800         target is a register and if the bitfield lies completely outside
13801         that register.
13802         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
13803         here.  Return an uninitialised register if the source value is stored
13804         in a register and the bitfield lies completely outside that register.
13805
13806 2005-02-06  Steven Bosscher  <stevenb@suse.de>
13807
13808         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
13809         not SET_DEST.
13810
13811 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
13812
13813         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
13814
13815 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
13816
13817         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
13818         * config/darwin8.h: New.
13819         * config/darwin7.h: Update comment.
13820
13821 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
13822             Dorit Naishlos  <dorit@il.ibm.com>
13823
13824         * tree-vectorizer.h (LOC): New type.
13825         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
13826         (loop_line_number): New field in struct _loop_vec_info.
13827         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
13828
13829         * tree-vectorizer.c (input.h): Included.
13830         (find_loop_location): New function.
13831         (vect_debug_stats): Argument changed from loop to LOC. Computation of
13832         loop line number removed.
13833         (vect_debug_details): Likewise.
13834         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
13835
13836         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
13837         call to vect_debug_details/stats changed from loop to loop_loc.
13838         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
13839         (slpeel_tree_peel_loop_to_edge): Likewise.
13840
13841         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
13842         changed from NULL to UNKNOWN_LOC.
13843         (vect_get_base_and_offset):
13844         (vect_create_addr_base_for_vector_ref):
13845         (get_vectype_for_scalar_type):
13846         (vect_create_data_ref_ptr):
13847         (vect_init_vector):
13848         (vect_get_vec_def_for_operand):
13849         (vect_finish_stmt_generation):
13850         (vectorizable_assignment):
13851         (vectorizable_operation):
13852         (vectorizable_store):
13853         (vectorizable_load):
13854         (vect_transform_stmt):
13855         (vect_update_ivs_after_vectorizer):
13856         (vect_do_peeling_for_loop_bound):
13857         (vect_do_peeling_for_alignment):
13858         (vect_transform_loop):
13859         (vect_is_simple_use):
13860         (vect_analyze_operations):
13861         (vect_is_simple_iv_evolution):
13862         (vect_analyze_scalar_cycles):
13863         (vect_analyze_data_ref_dependences):
13864         (vect_compute_data_ref_alignment):
13865         (vect_enhance_data_refs_alignment):
13866         (vect_analyze_data_ref_access):
13867         (vect_analyze_data_ref_accesses):
13868         (vect_analyze_pointer_ref_access):
13869         (vect_get_memtag_and_dr):
13870         (vect_analyze_data_refs):
13871         (vect_mark_relevant):
13872         (vect_stmt_relevant_p):
13873         (vect_mark_stmts_to_be_vectorized):
13874         (vect_can_advance_ivs_p):
13875         (vect_get_loop_niters):
13876         (vect_analyze_loop):
13877         (vectorize_loops): Likewise.
13878
13879         (vectorizable_load): Argument in call to vect_debug_details/stats
13880         changed from loop to LOOP_LOC (loop_vinfo).
13881         (vect_transform_loop):
13882         (vect_analyze_operations):
13883         (vect_analyze_scalar_cycles):
13884         (vect_analyze_data_ref_dependence):
13885         (vect_enhance_data_refs_alignment):
13886         (vect_analyze_data_ref_accesses):
13887         (vect_analyze_pointer_ref_access):
13888         (vect_analyze_data_refs):
13889         (vect_analyze_loop): Likewise.
13890
13891         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
13892         changed from loop to loop_loc.
13893
13894         (vect_enhance_data_refs_alignment): Removed unused variable loop.
13895
13896 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
13897             Dorit Naishlos  <dorit@il.ibm.com>
13898
13899         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
13900         declaration added.
13901         (vect_analyze_data_ref_dependences): Likewise.
13902
13903         (vect_is_simple_use): Argument changed from loop structure to
13904         loop_vect_info structure.
13905         (vect_can_advance_ivs_p): Likewise.
13906         (vect_create_index_for_vector_ref): Likewise.
13907         (vect_update_ivs_after_vectorizer): Likewise.
13908         (new_stmt_vec_info): Likewise.
13909
13910         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
13911         changed from loop to loop_vinfo.
13912         (vect_create_data_ref_ptr): First argument in call to
13913         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
13914         (vectorizable_assignment): Second argument in call to vect_is_simple_use
13915         was changed from loop to loop_vinfo.
13916         (vectorizable_operation): Likewise.
13917         (vectorizable_store): Likewise.
13918         (vect_mark_stmts_to_be_vectorized): Likewise.
13919         (vect_do_peeling_for_loop_bound): First argument in call to
13920         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
13921         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
13922         was changed from loop to loop_vinfo.
13923         (vect_analyze_data_ref_dependences): Third argument in call to
13924         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
13925
13926         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
13927         (vect_create_data_ref_ptr): Likewise.
13928         (vect_init_vector): Likewise.
13929         (vect_get_vec_def_for_operand): Likewise.
13930         (vectorizable_assignment): Likewise.
13931         (vectorizable_operation): Likewise.
13932         (vectorizable_store): Likewise.
13933         (vectorizable_load): Likewise.
13934         (vect_update_ivs_after_vectorizer): Likewise.
13935         (vect_is_simple_use): Likewise.
13936         (vect_analyze_data_ref_dependence): Likewise.
13937         (vect_analyze_pointer_ref_access): Likewise.
13938         (vect_can_advance_ivs_p): Likewise.
13939
13940         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
13941         before _stmt_vec_info.
13942         (_stmt_vec_info): Loop field replaced by loop_vec_info.
13943         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
13944         (new_stmt_vec_info): Argument changed from loop structure to
13945         loop_vect_info structure
13946
13947         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
13948         (vect_analyze_offset_expr): Avoid 80 columns overflow.
13949         (vect_create_addr_base_for_vector_ref): Likewise.
13950         (vect_analyze_pointer_ref_access): Likewise.
13951
13952 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
13953
13954         PR tree-opt/19768
13955         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
13956         phi flag if the phi is abnormal.
13957
13958 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
13959
13960         PR tree-opt/19736
13961         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
13962         information for the new statement.
13963
13964 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
13965
13966         PR driver/19117
13967         * gcc.c (main): Include the target in -v output.
13968
13969 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
13970
13971         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
13972         Do not drop the extend if we'd have to add a paradoxical subreg
13973         later.  Include optabs.h and insn-codes.h.
13974         * Makefile.in (combine.o): Depend on $(OPTABS_H).
13975
13976 2005-02-02  Roger Sayle  <roger@eyesopen.com>
13977
13978         PR middle-end/19405
13979         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
13980         * fold-const.c (const_binop): Avoid constant folding floating
13981         point operations in modes that use composite representations.
13982         * simplify-rtx.c (simplify_binary_operation): Likewise.
13983
13984 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
13985
13986         * config/rs6000/altivec.md (altivec_dst): Make the first operand
13987         a REG, not a MEM.
13988         (altivec_dstt): Likewise.
13989         (altivec_dstst): Likewise.
13990         (altivec_dststt): Likewise.
13991         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
13992         of first operand.
13993
13994 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
13995
13996         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
13997         EXPR_LOCUS from orig_cond to the new cond_stmt.
13998         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
13999         the new vec_stmt.
14000
14001 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
14002
14003         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
14004         standard_iv_increment_position. Remove call to bsi_next
14005         (no need to bump the iterator anymore).
14006         (vect_create_index_for_vector_ref): Call
14007         standard_iv_increment_position. Remove second function argument.
14008         (vect_finish_stmt_generation): Remove call to bsi_next
14009         (no need to bump the iterator anymore).
14010         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
14011         to vect_create_index_for_vector_ref.
14012
14013 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
14014
14015         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
14016         phis are used out of the loop.
14017
14018 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
14019
14020         PR c/17807
14021         * c-decl.c (undef_nested_function): New variable.
14022         (pop_scope): Diagnose undefined nested functions.
14023         (finish_function): Don't attempt cgraph processing or genericizing
14024         if current top-level function contained an undefined nested
14025         function.  Reset undef_nested_function at the end of a top-level
14026         function.
14027
14028 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
14029
14030         * tree.c (build_int_cst_type): Take sign of the value into account
14031         when deciding whether sign extend the value.
14032
14033 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
14034
14035         PR c/18502
14036         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
14037         (cpp_options, cc1_options): Change %{std*&ansi} to
14038         %{std*&ansi&trigraphs}.
14039
14040 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
14041
14042         * cse.c: Update comments.
14043
14044 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
14045
14046         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
14047         arguments go on the stack.  Do not put complex doubles in odd/even
14048         pairs.
14049
14050 2005-02-02  Steven Bosscher  <stevenb@suse.de>
14051
14052         * doc/invoke.texi: Update the options enabled at -O1, -O2,
14053         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
14054         -ftree-pre, and -fthread-jumps.
14055
14056 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
14057
14058         PR tree-optimization/19578
14059         * tree-flow.h (modified_noreturn_calls): Declare.
14060         (noreturn_call_p): Declare.
14061         * tree-flow-inline.h (noreturn_call_p): New function.
14062         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
14063         * tree-cfg.c (modified_noreturn_calls): New variable.
14064         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
14065         that contain a mid-block noreturn call.
14066         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
14067
14068 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
14069
14070         * df.c (df_def_record_1, df_uses_record): Don't use
14071         DF_FOR_REGALLOC.
14072         * df.h (DF_FOR_REGALLOC): Remove.
14073
14074 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
14075
14076         PR c/19435
14077         * c-typeck.c (really_start_incremental_init): Reset
14078         constructor_max_index for arrays of incomplete type.
14079
14080 2005-02-02  Jeff Law  <law@redhat.com>
14081
14082         * gcse.c (struct reg_set): Store the block index where the register
14083         was set rather than the setting insn.
14084         (record_one_set, compute_transp): Corresponding changes.
14085         (pre_insert_copy_insn): Do not call replace_one_set.
14086         (replace_one_set): Remove.
14087
14088 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
14089
14090         PR other/15514
14091         * doc/gcov.texi: Fix typo.
14092
14093 2005-02-01  Richard Henderson  <rth@redhat.com
14094
14095         PR target/19680
14096         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
14097         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
14098         type to bool.
14099         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
14100         * config/i386/i386-protos.h: Update.
14101
14102 2005-02-01  Steven Bosscher  <stevenb@suse.de>
14103
14104         PR tree-optimization/19217
14105         * tree-cfg.c (verify_expr): Use the data field to see if TP was
14106         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
14107         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
14108         that it is walking a PHI node.
14109
14110 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
14111
14112         * doc/extend.texi (Nested Functions): Update.
14113
14114 2005-02-01  Richard Henderson  <rth@redhat.com>
14115
14116         PR 19696
14117         * optabs.c (expand_copysign_absneg): Export.
14118         * optabs.h (expand_copysign_absneg): Declare.
14119         * config/rs6000/rs6000.md (copysigntf3): New.
14120
14121 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
14122
14123         PR tree-optimization/19633
14124         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
14125         * tree-ssa-alias.c (init_alias_info): Initialize.
14126         (merge_pointed_to_info): Set.
14127         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
14128         (dump_points_to_info_for): Show value of pt_null.
14129         (struct count_ptr_d): Declare.
14130         (find_ptr_dereference): Remove.
14131         (ptr_is_dereferenced_by): Remove.
14132         (count_ptr_derefs): New local function.
14133         (count_uses_and_derefs): New local function.
14134         (compute_points_to_and_addr_escape): Call it.  If the number
14135         of dereferences is greater than zero, mark the pointer as
14136         dereferenced.  If there are fewer dereferences than uses of
14137         the pointer, the pointer's value escapes.
14138
14139 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
14140
14141         PR tree-optimization/19670
14142         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
14143         here...
14144         (verify_use): ... set it here, instead.
14145
14146 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
14147
14148         * doc/sourcebuild.texi (Test directives): Fix formatting.
14149
14150         * doc/sourcebuild.texi (Test directives): Describe selector
14151         expressions.
14152
14153 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
14154
14155         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
14156         specific 64-bit CPUs.
14157
14158 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
14159
14160         PR target/16201
14161         * arm.c (arm_eliminable_register): New function.
14162         (adjacent_mem_locations): Don't allow eliminable registers.  Use
14163         HOST_WIDE_INT for address offsets.
14164         * arm-protos.h (arm_eliminable_register): Add prototype.
14165
14166 2005-02-01  Steven Bosscher  <stevenb@suse.de>
14167
14168         PR optimization/15242
14169         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
14170         * basic-block.h (duplicate_computed_gotos): Add prototype.
14171         * bb-reorder.c (duplicate_computed_gotos): New function to
14172         duplicate sufficiently small blocks ending in a computed jump.
14173         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
14174         if not optimizing for size.
14175         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
14176         never do tail merging for blocks ending in a computed jump.
14177         * doc/invoke.texi: Document the max-goto-duplication-insns param.
14178
14179 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
14180
14181         Patch from Richard Sandiford <rsandifo@redhat.com>
14182         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
14183         from inheriting a subreg equivalence with a non-spill register.
14184
14185         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
14186
14187 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
14188
14189         * config/frv/frv.c (movcc_fp_destination_operand): New.
14190         (gpr_or_memory_operand): Fix typo in comment.
14191         (gpr_or_memory_operand_with_scratch): New.
14192         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
14193         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
14194         movcc_fp_destination_operand.
14195         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
14196         Legitimize memory addresses using a scratch register.
14197
14198 2005-01-31  Jeff Law  <law@redhat.com>
14199
14200         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
14201         bitmap a sparse bitmap instead of a simple bitmap.
14202         (mark_def_sites_initialize_block):  Corresponding changes.
14203         (ssa_mark_def_sites_initialize_block): Likewise.
14204         (ssa_mark_phi_uses): Likewise.
14205         (mark_def_site, ssa_mark_def_sites): Likewise.
14206         (mark_def_site_blocks): Likewise.
14207         (rewrite_ssa_into_ssa): Likewise.
14208
14209         * tree-ssa-dom.c (record_cond): Pass correct variable type
14210         for last argument to htab_find_slot_with_hash.
14211
14212         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
14213         effects when optimizing 0 % X.  Do not try to optimize X % 0.
14214
14215 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
14216
14217         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
14218         1_mmalua.
14219
14220 2005-02-01  Eric Christopher  <echristo@redhat.com>
14221
14222         * config/mips/mips.c (override_options): Warn if -mint64
14223         is used.
14224         * doc/invoke.texi (MIPS Options): Document that -mint64 is
14225         deprecated.
14226
14227 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
14228
14229         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
14230         timestamp.
14231         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
14232         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
14233         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
14234         (cached_regno): Initialize to INVALID_REGNUM.
14235         (cse_reg_info_table_size,
14236         cse_reg_info_table_first_uninitialized,
14237         cse_reg_info_timestamp): New.
14238         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
14239         get_cse_reg_info.
14240         (init_cse_reg_info, get_cse_reg_info_1): New.
14241         (get_cse_reg_info): Cache the last look-up.
14242         (new_basic_block): Update the code to clear mappings from
14243         registers to cse_reg_info entries.
14244         (cse_main): Call init_cse_reg_info.
14245
14246         * cse.c (get_cse_reg_info): Update a comment.
14247
14248 2005-01-31  Steven Bosscher  <stevenb@suse.de>
14249
14250         PR c/19333
14251         * c-decl.c (start_decl): Do not warn about arrays of elements with
14252         an incomplete type here.
14253         (grokdeclarator): Do it here by making a pedwarn an error.
14254         * c-typeck.c (push_init_level): If there were previous errors with
14255         the constructor type, do not warn about braces for initializers.
14256         (process_init_element): Likewise for excess initializer elements.
14257
14258 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
14259
14260         * cse.c (delete_trivially_dead_insn): Don't iterate.
14261
14262 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
14263
14264         * config/rs6000/rs6000.md (copysignsf3): New expand.
14265         (copysigndf3): Likewise.
14266
14267 2005-01-31  Steven Bosscher  <stevenb@suse.de>
14268
14269         * recog.c (constrain_operands): Only look for earlyclobber operand
14270         conflicts if an '&' constraint was seen.
14271
14272 2005-01-31  Marc Espie <espie@openbsd.org>
14273
14274         * config.gcc: Don't include embedded systems fragment, switches default
14275         debugging format to ELF.
14276         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
14277         longer pick it up there.
14278
14279 2005-01-31  Dale Johannesen  <dalej@apple.com>
14280
14281         * doc/extend.texi (nested functions): Fix linkage description.
14282         Clarify that static is not allowed.
14283
14284 2005-01-31  Dale Johannesen  <dalej@apple.com>
14285
14286         * config/rs6000/darwin.md (movsf_low_di):  Make work.
14287         (movdf_low_di):  Make work.
14288
14289 2005-01-31  Dale Johannesen  <dalej@apple.com>
14290
14291         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
14292         Make work for 64 bit.
14293
14294 2005-01-31  Roger Sayle  <roger@eyesopen.com>
14295             Dale Johannesen  <dalej@apple.com>
14296
14297         PR middle-end/19650
14298         * fold-const.c (fold_binary_op_with_conditional_arg):
14299         Make types match original operands, before STRIP_NOPS.
14300
14301 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
14302
14303         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
14304         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
14305         (struct gcc_sigcontext): Delete.  Merge contents to..
14306         (struct gcc_ucontext): ..here.
14307         (get_sigcontext): Delete.
14308         (get_regs): New function, like get_sigcontext but return regs ptr.
14309         64-bit version finds regs from r1 to support vdso.
14310         (ppc_linux_aux_vector): New function.
14311         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
14312         and vector regs.
14313
14314 2005-01-31  Ira Rosen  <irar@il.ibm.com>
14315
14316         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
14317         sizetype.
14318         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
14319         redundant fold. Fix misalignment for MINUS_EXPR.
14320         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
14321         (vect_analyze_pointer_ref_access): Likewise.
14322         (vect_get_memtag_and_dr): Likewise.
14323
14324 2005-01-31  Richard Henderson  <rth@redhat.com>
14325
14326         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
14327         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
14328         absnegdf2_i387, absnegxf2_i387): Likewise.
14329
14330 2005-01-31  Richard Henderson  <rth@redhat.com>
14331
14332         PR 19696
14333         * optabs.c (expand_copysign_absneg): New.
14334         (expand_copysign_bit): Split out from ...
14335         (expand_copysign): ... here.  Use expand_copysign_absneg.
14336
14337 2005-01-30  Roger Sayle  <roger@eyesopen.com>
14338
14339         PR middle-end/19697
14340         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
14341         constant as the second operand and a register as the third.
14342
14343 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
14344
14345         PR target/19704
14346         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
14347         that dllimport'd functions do not use all call-clobbered registers
14348         to pass parameters.
14349
14350 2005-01-30  Richard Henderson  <rth@redhat.com>
14351
14352         PR 19696
14353         * optabs.c (expand_absneg_bit): Split out from expand_unop and
14354         expand_abs_nojump and generalize.  Use operand_subword and
14355         emit_no_conflict_block.  Support large modes.
14356         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
14357         back to maximum.
14358         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
14359         negation to subtraction.
14360         (expand_copysign): Check that the format has signed zeros.
14361         Use operand_subword and emit_no_conflict_block.  Support large modes.
14362
14363 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
14364
14365         Fix PR tree-optimization/19624
14366
14367         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
14368         * tree-ssa-pre.c: Add cfgloop.h.
14369         Update comment.
14370         (pre_stats): New member, constified.
14371         (inserted_exprs): New static variable.
14372         (NECESSARY): New macro.
14373         (create_expression_by_pieces): Fold the expression, and
14374         mark it as defaulting to not necessary. Also put in
14375         inserted_exprs.
14376         (fully_constant_expression): New function.
14377         (insert_into_preds_of_block): Modify to not insert phis when we
14378         are playing with induction variables.
14379         Push phis onto the inserted_exprs vector, and mark them as not
14380         necessary by default.
14381         (insert_aux): Call fully_constant_expression on eprime.
14382         If all edges produce the same value, mark it constant.
14383         (mark_operand_necessary): New function.
14384         (remove_dead_inserted_code): New function.
14385         (init_pre): Init loop optimizer to get loop info.
14386         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
14387         (execute_pre): Commit edge inserts, then remove dead code.
14388
14389 2005-01-30  Richard Henderson  <rth@redhat.com>
14390
14391         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
14392         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
14393
14394 2005-01-30  Richard Henderson  <rth@redhat.com>
14395
14396         PR target/19700
14397         * config/i386/i386.c (ix86_expand_copysign): New.
14398         (ix86_split_copysign_const): New.
14399         (ix86_split_copysign_var): Rename from ix86_split_copysign,
14400         rearrange op1/nmask operands.
14401         * config/i386/i386-protos.h: Update.
14402         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
14403         (copysigndf3): Likewise.
14404         (copysignsf3_const, copysigndf3_const): New.
14405         (copysignsf3_var): Rename from copysignsf3, split out splitter
14406         and fix split predicate for X constraint.
14407         (copysigndf3_var): Similarly.
14408
14409 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
14410
14411         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
14412         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
14413         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
14414
14415 2005-01-29  Richard Henderson  <rth@redhat.com>
14416
14417         PR target/19690
14418         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
14419         of # and * in constraints.
14420
14421 2005-01-29  Richard Henderson  <rth@redhat.com>
14422
14423         PR middle-end/19689
14424         * expr.c (store_field): Don't strip sub-mode cast when the input
14425         data is even smaller.
14426
14427 2005-01-29  Richard Henderson  <rth@redhat.com>
14428
14429         PR middle-end/19687
14430         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
14431         union being empty.
14432
14433 2005-01-29  Richard Henderson  <rth@redhat.com>
14434
14435         * combine.c (make_field_assignment): Fix argument order
14436         to gen_int_mode.
14437
14438 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
14439
14440         PR tree-optimization/15791
14441         * fold-const.c (extract_array_ref): New function.
14442         (fold): Fold comparisons between &a[i] and &a[j] or
14443         semantically equivalent trees.
14444
14445 2005-01-29  Jeff Law  <law@redhat.com>
14446
14447         * gcse.c (insert_expr_in_table): Revamp handling of available
14448         and anticipatable occurrence lists to avoid unnecessary list
14449         walking.
14450         (insert_set_in_table): Similarly.
14451
14452 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
14453
14454         * c-common.c (fix_string_type): Just use c_build_qualified_type to
14455         build string type.
14456         (c_build_qualified_type): Build qualified array types with
14457         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
14458         * c-decl.c (c_make_fname_decl): Build unqualified array type
14459         before qualified type.
14460         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
14461         type is qualified, not just if type itself is.  Don't apply
14462         qualifiers to array type when declarator is processed.  Apply
14463         qualifiers to field type whether or not it is an array type.
14464         Don't handle array types specially for applying qualifiers to
14465         variables.
14466         * c-typeck.c (composite_type): Build unqualified element type and
14467         array type when forming composite of array types.
14468         (common_pointer_type, comptypes, comp_target_types,
14469         type_lists_compatible_p, build_indirect_ref, build_array_ref,
14470         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
14471         types.
14472         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
14473         (args2) in variables a1 and a2.
14474
14475 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
14476
14477         * cse.c (n_elements_made, max_elements_made): Remove.
14478         (insert): Don't touch n_elements_made.
14479         (cse_main): Don't touch n_elements_made or max_elements_made.
14480
14481 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
14482
14483         PR target/15384
14484         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
14485         configuration part of dp-bit.c to be lost.
14486
14487 2005-01-28  Roger Sayle  <roger@eyesopen.com>
14488
14489         * expmed.c (expand_mult_highpart_optab): When attempting to use
14490         a non-widening multiplication in a wider mode, the operands need
14491         to be converted (zero or sign extended) to that mode.
14492
14493 2005-01-28  Ian Lance Taylor  <ian@airs.com>
14494
14495         PR middle-end/16558
14496         PR middle-end/19583
14497         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
14498         through if both operands fall through.
14499
14500 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
14501
14502         * cse.c (fold_rtx) <PC>: Don't optimize.
14503
14504 2005-01-28  Jeff Law  <law@redhat.com>
14505
14506         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
14507         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
14508
14509 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
14510
14511         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
14512         cse_reg_info_used_list_end): Remove.
14513         (cse_reg_info_list, cse_reg_info_list_free): New.
14514         (get_cse_reg_info): When allocating an instance of
14515         cse_reg_info, add it to the beginning of the cse_reg_info_list
14516         list.  Remove code to maintain cse_reg_info_used_list.
14517         (new_basic_block): Reset the free list to the beginning of
14518         cse_reg_info_list.
14519
14520 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
14521
14522         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
14523         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
14524         (frv_expand_mdpackh_builtin): New function.
14525         (frv_expand_builtin): Use it to expand __MDPACKH.
14526         * doc/extend.texi (__MDPACKH): Update documentation.
14527
14528 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
14529
14530         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
14531         SSE_FLOAT_MODE_P for use_sse computation.
14532
14533 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
14534
14535         PR target/19663
14536         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
14537
14538 2005-01-27  Richard Henderson  <rth@redhat.com>
14539
14540         * builtins.c (expand_builtin_copysign): New.
14541         (expand_builtin): Call it.
14542         * genopinit.c (optabs): Add copysign_optab.
14543         * optabs.c (init_optabs): Initialize it.
14544         (expand_copysign): New.
14545         * optabs.h (OTI_copysign, copysign_optab): New.
14546         (expand_copysign): Declare.
14547
14548         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
14549         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
14550
14551         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
14552         (ix86_expand_fp_absneg_operator): ... here.
14553         (ix86_split_copysign): New.
14554         * config/i386/i386-protos.h: Update.
14555         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
14556         (copysignsf3, copysigndf3): New.
14557
14558         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
14559         (copysignsf3, ncopysignsf3): New.
14560         (copysigndf3, ncopysigndf3): New.
14561         (copysignxf3, ncopysignxf3): New.
14562         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
14563
14564 2005-01-27  Arend Bayer  <arend.bayer@web.de>
14565             Kazu Hirata  <kazu@cs.umass.edu>
14566
14567         * cse.c: (find_best_addr): Don't call copy_rtx before calling
14568         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
14569         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
14570         NULL_RTX.
14571
14572 2005-01-27  Jeff Law  <law@redhat.com>
14573
14574         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
14575         definitions of SSA_NAMEs which are not being rewritten.
14576         (rewrite_ssa_into_ssa): Only initialize the current definition
14577         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
14578         If checking is enabled, assert that SSA_NAME_AUX is clear for all
14579         SSA_NAMEs before returning.
14580
14581 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
14582
14583         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
14584         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
14585         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
14586         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
14587         config/mips/iris6.h, config/sh/sh.c: Update copyright.
14588
14589 2005-01-27  Steven Bosscher  <stevenb@suse.de>
14590
14591         PR middle-end/17278
14592         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
14593         higher to -O2 and higher.  Likewise for tree PRE.
14594         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
14595         and better.
14596
14597 2005-01-27  Ian Lance Taylor  <ian@airs.com>
14598
14599         PR middle-end/19583
14600         * gimple-low.c (try_catch_may_fallthru): New static function.
14601         (block_may_fallthru): Handle TRY_CATCH_EXPR.
14602         * tree-inline.c (expand_call_inline): Don't warn about reaching
14603         the end of a non-void function being inlined if the function uses
14604         a return slot.
14605
14606 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
14607
14608         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
14609
14610         PR c/18946
14611         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
14612         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
14613         (implicitly_declare): Handle error_mark_node.
14614
14615 2005-01-27  Richard Henderson  <rth@redhat.com>
14616
14617         PR tree-opt/14329
14618         * tree.h (struct tree_decl): Add debug_expr_is_from.
14619         (DECL_DEBUG_EXPR_IS_FROM): New.
14620         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
14621         * dwarf2out.c (dwarf2out_var_location): Update to match.
14622         * tree-outof-ssa.c (create_temp): Likewise.
14623         * var-tracking.c (track_expr_p): Likewise.
14624         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
14625         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
14626         * toplev.c (default_tree_printer): Likewise.
14627
14628 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
14629
14630         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
14631         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
14632
14633 2005-01-27  Steven Bosscher  <stevenb@suse.de>
14634
14635         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
14636         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
14637         ASM_CLOBBERS): Add tree checks.
14638
14639         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
14640         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
14641         * c-common.def (SWITCH_STMT): Update to match.
14642         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
14643         macros instead of SWITCH_EXPR ones.
14644         * c-dump.c (c_dump_tree): Likewise.
14645         * c-gimplify.c (gimplify_switch_stmt): Likewise.
14646         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
14647
14648         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
14649
14650 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
14651
14652         * unwind-dw2.c (execute_stack_op): Add missing cases for
14653         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
14654
14655 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
14656
14657         * config.gcc (Obsolete configurations): Remove 'dummy', add
14658         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
14659         sparc-*-openbsd*.
14660
14661 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
14662
14663         PR tree-optimization/19633
14664         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
14665         CALL_EXPRs.
14666         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
14667         are no call-clobbered variables.
14668         * tree-outof-ssa.c (check_replaceable): Return false for calls
14669         with side-effects.
14670
14671 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
14672
14673         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
14674         even for variables with NULL DECL_INITIAL.
14675
14676 2005-01-26  Stuart Hastings  <stuart@apple.com>
14677
14678         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
14679
14680 2005-01-26  Richard Henderson  <rth@redhat.com>
14681
14682         PR middle-end/18008
14683         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
14684         field's type.
14685         * expr.c (store_field): Strip conversions to odd-bit-sized types
14686         if the destination field width matches.
14687
14688 2005-01-26  Richard Henderson  <rth@redhat.com>
14689
14690         * c-decl.c, expmed.c, expr.c: Revert last change.
14691
14692 2005-01-26  Richard Henderson  <rth@redhat.com>
14693
14694         PR middle-end/18008
14695         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
14696         field's type.
14697         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
14698         if we don't need the bits above those present in the current mode.
14699         * expr.c (store_field): Strip conversions to odd-bit-sized types
14700         if the destination field width matches.
14701
14702 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
14703
14704         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
14705         either -ffast-math or -funsafe-math-optimizations is in use.
14706
14707 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
14708
14709         PR target/19293
14710         PR target/19329
14711         * config/avr/avr.c (notice_update_cc): Only set condition code for
14712         ashrqi3 if shift count > 0.
14713         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
14714         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
14715         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
14716         count <= 0 as a no-op, and shift count >= width by copying zero
14717         or sign bit to all bits of the result.
14718         * config/avr/avr.md (all shifts): Add alternatives for zero shift
14719         count, with attribute "length" set to 0 and "cc" set to "none".
14720
14721 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
14722
14723         * doc/invoke.texi: Document -mTLS.
14724
14725         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
14726         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
14727         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
14728         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
14729         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
14730         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
14731         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
14732         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
14733
14734         * configure.ac: Check for a TLS capable gas.
14735
14736         * configure: Regenerate.
14737
14738 2005-01-26  Richard Henderson  <rth@redhat.com>
14739
14740         PR middle-end/18008
14741         * combine.c (make_field_assignment): Simplify store to zero_extract
14742         from a source with an overlapping mask.
14743
14744 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
14745
14746         2004-11-11  Eric Christopher  <echristo@redhat.com>
14747
14748         * config/frv/frv.md: Add fr400_integer automaton. Don't
14749         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
14750         to TYPE_MACC.
14751
14752 2005-01-26  Steven Bosscher  <stevenb@suse.de>
14753
14754         PR middle-end/16585
14755         * cfgbuild.c (make_edges): Do not clear or set
14756         current_function_has_computed_jump.
14757         * function.h (struct function): Remove the has_computed_jump field.
14758         (current_function_has_computed_jump): Do not define.
14759         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
14760         in a computed jump.  Ignore current_function_has_computed_jump.
14761
14762 2005-01-26  Richard Henderson  <rth@redhat.com>
14763
14764         PR middle-end/19515
14765         * expr.c (categorize_ctor_elements): New argument p_must_clear.
14766         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
14767         fully initialized.
14768         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
14769         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
14770         objects into static storage if they have more than one non-zero value.
14771         * tree.h (categorize_ctor_elements): Update decl.
14772
14773 2005-01-26  Steven Bosscher  <stevenb@suse.de>
14774
14775         PR middle-end/19616
14776         * tree.h (CALL_EXPR_TAILCALL): Add comment.
14777         * calls.c (check_sibcall_argument_overlap_1): Revert the change
14778         to this function from 2004-07-10.
14779         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
14780         the current function for tail call optimizations if the address
14781         of one of it its arguments is taken.
14782
14783 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
14784
14785         * cse.c (fold_rtx): Call equiv_constant only when necessary.
14786
14787 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
14788
14789         * function.c (expand_function_end): If current_function_calls_alloca,
14790         emit stack restore in a place that is reached when the function falls
14791         through at the end.
14792
14793 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
14794
14795         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
14796         rule to avoid matching inappropriate suffix rule.
14797
14798 2005-01-26  Jan Hubicka  <jh@suse.cz>
14799
14800         PR tree-optimization/19241
14801         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
14802
14803 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
14804
14805         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
14806         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
14807         of doubling.
14808         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
14809         <sim*>: Always use crt1.o, regardless of N in simN.
14810         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
14811         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
14812         (CRT_CALL_STATIC_FUNCTION): Remove.
14813         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
14814         use crt1.o, regardless of N in simN.
14815         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
14816         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
14817         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
14818         case isystem setting.
14819         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
14820
14821 2005-01-25  Ian Lance Taylor  <ian@airs.com>
14822
14823         * gimple-low.c (block_may_fallthru): Correct handling of
14824         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
14825
14826 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
14827
14828         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
14829         handlers to match indentation; nested under the mtune=* handler.
14830         Similar for mcpu= and march=.
14831
14832 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
14833
14834         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
14835         * config/mips/linux64.h (LIB_SPEC): Likewise.
14836         * config/mn10300/linux.h (LIB_SPEC): Likewise.
14837         * config/sh/linux.h (LIB_SPEC): Likewise.
14838
14839 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
14840
14841         * config/frv/frv.c (frv_legitimize_tls_address): New.
14842         (TARGET_HAVE_TLS): Define.
14843         (FRV_SYMBOL_REF_TLS_P): Define.
14844         (frv_override_options): Handle new register classes.
14845         (frv_legitimate_address_p): Reject tls addresses.
14846         (frv_legitimize_address): Handle TLS addresses.
14847         (gen_inlined_tls_plt): New.
14848         (gen_tlsmoff): New.
14849         (frv_legitimize_tls_address): New.
14850         (unspec_got_name): Add TLS entries.
14851         (got12_operand): Add R_FRV_TLSMOFF12 case.
14852         (frv_emit_move): Fixup TLS addresses.
14853         (frv_emit_movsi): Legitimize TLS addresses.
14854
14855         * config/frv/frv.h (MASK_BIG_TLS): New.
14856         (TARGET_BIG_TLS): New.
14857         (HAVE_AS_TLS): Define.
14858         (TARGET_SWITCHES): Add -mTLS and -mtls options.
14859         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
14860         (REG_CLASS_NAMES): Same.
14861         (REG_CLASS_CONTENTS): Same.
14862         (CONSTRAINT_LEN): New.
14863         (REG_CLASS_FROM_CONSTRAINT): New.
14864         (PREDICATE_CODES): Add symbolic_operand.
14865
14866         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
14867         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
14868         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
14869         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
14870         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
14871         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
14872         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
14873         GR9_REG, GR14_REG, LRREG.
14874         (type): Add load_or_call attribute.
14875         ("load_or_call"): New reservation.
14876         ("call_gettlsoff"): New.
14877         ("tls_indirect_call"): New.
14878         ("tls_load_gottlsoff12"): New.
14879         ("tlsoff_hilo"): New.
14880         ("tls_tlsdesc_ldd"): New.
14881         ("tls_tlsoff_ld"): New.
14882         ("tls_lddi"): New.
14883
14884         * config/frv/frv-protos.h (symbolic_operand): Protoize.
14885
14886         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
14887
14888         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
14889         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
14890         * config/frv/frv.c (TLS_BIAS): Define.
14891         (frv_output_dwarf_dtprel): New.
14892
14893 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
14894
14895         PR rtl-optimization/19579
14896         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
14897         both A and B, see if they don't clobber registers the other expr uses.
14898
14899 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
14900
14901         * real.c (do_add): Initialize signalling and canonical members.
14902
14903         * real.c (real_from_integer): Zero out destination.
14904
14905 2005-01-18  Jan Hubicka  <jh@suse.cz>
14906
14907         PR tree-optimize/19337
14908         * tree-inline.c (initialize_inlined_parameters): Copy
14909         saved_static_chain_decl only.
14910
14911 2005-01-25  Richard Henderson  <rth@redhat.com>
14912
14913         PR target/19556
14914         PR target/19584
14915         * config/i386/i386.c (x86_inter_unit_moves): Zero.
14916         (ix86_preferred_reload_class): Rewrite fp-constant section, with
14917         80387 enabled, to return a proper subclass.  Return the subset that
14918         overlaps with GENERAL_REGS for PLUS.
14919         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
14920
14921 2005-01-25  Richard Henderson  <rth@redhat.com>
14922
14923         PR middle-end/19609
14924         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
14925
14926 2005-01-25  Roger Sayle  <roger@eyesopen.com>
14927
14928         * expmed.c (choose_multiplier): Change interface to return the
14929         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
14930         (expand_divmod): Update calls to choose_multiplier.
14931
14932 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14933
14934         PR middle-end/19330
14935         * expmed.c (extract_bit_field): Use adjust_address instead of
14936         gen_lowpart when op0 is a MEM.
14937
14938 2005-01-24  Steven Bosscher  <stevenb@suse.de>
14939
14940         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
14941
14942 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
14943
14944         * config/mips/irix-csr.c: New file.
14945         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
14946         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
14947         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
14948         executables.
14949
14950 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
14951
14952         PR bootstrap/19364
14953         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
14954         sparc/elf.h, add sparc/sp-elf.h.
14955         (sparc-*-rtems*): Likewise.
14956         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
14957         tm-dwarf2.h, add sparc/sp-elf.h.
14958         (sparc86x-*-elf): Likewise.
14959         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
14960         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
14961         TARGET_OS_CPP_BUILTINS.
14962         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
14963         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
14964         Undefine it.
14965         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
14966         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
14967         (SWITCH_TAKES_ARG): Likewise.
14968         (LOCAL_LABEL_PREFIX): Likewise.
14969         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
14970         (TARGET_N_FORMAT_TYPES): Delete.
14971         (TARGET_FORMAT_TYPES): Likewise.
14972         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
14973         * config/sparc/elf.h: Delete.
14974         * config/sparc/sp-elf.h: New file.
14975
14976 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
14977
14978         * tree-flow-inline.h (phi_arg_from_edge): Remove.
14979         * tree-flow.h: Remove the corresponding prototype.
14980         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
14981         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
14982
14983 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
14984
14985         PR target/17751
14986         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
14987         for AIX ABI or ELF -fPIC.
14988         (rs6000_emit_load_toc_table): Don't create toc_section here.
14989         (rs6000_xcoff_file_start): Nor here.
14990
14991 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
14992
14993         * sh.c (ra.h): Don't #include.
14994         (hard_regs_intersect_p): New function, resurrected from ra.c.
14995
14996         * sh.c: Fix 1996 Copyright.
14997
14998 2005-01-24  Richard Henderson  <rth@redhat.com>
14999             Aldy Hernandez  <aldyh@redhat.com>
15000
15001         * regrename.c (note_sets): Handle subregs.
15002
15003 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
15004
15005         PR bootstrap/18058
15006         * genconditions.c (write_header, write_conditions): Elide file if
15007         not GCC >= 3.0.1.
15008
15009 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
15010
15011         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
15012         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
15013         Update copyright.
15014
15015 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
15016
15017         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
15018         expand_builtin_printf, expand_builtin_fprintf,
15019         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
15020         checking against POINTER_TYPE.
15021         (validate_arglist): Handle POINTER_TYPE code by checking
15022         POINTER_TYPE_P.
15023
15024 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
15025
15026         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
15027         init_rtlanal): New.
15028         (for_each_rtx): Call for_each_rtx_1.
15029         * rtl.h (init_rtlanal): Declare.
15030         * toplev.c (backend_init): Call init_rtlanal.
15031
15032 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
15033
15034         * flow.c (propagate_one_insn): Formatting.
15035
15036         PR middle-end/19551
15037         * flow.c (libcall_dead_p): Be more conservative if unsure.
15038         If there are any instructions between insn and call, see if they are
15039         all dead before saying the libcall is dead.
15040
15041 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
15042
15043         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
15044         operand constraint for operand 0.
15045
15046 2005-01-23  Richard Henderson  <rth@redhat.com>
15047
15048         PR 19486
15049         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
15050         edges leading to join block.
15051
15052 2005-01-23  Roger Sayle  <roger@eyesopen.com>
15053
15054         * expmed.c (expand_mult_highpart): Make static.  Change type of
15055         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
15056         (expand_divmod): Updates calls to expand_mult_highpart by using
15057         gen_int_mode to pass a CONST_INT rtx.
15058         * rtl.h (expand_mult_highpart): Remove prototype.
15059
15060 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
15061
15062         * flow.c (regset_bytes, regset_size): Remove.
15063
15064         * cfganal.c: Fix a reference to Harvey's paper.
15065
15066 2005-01-23  Steven Bosscher  <stevenb@suse.de>
15067
15068         PR rtl-optimization/19464
15069         * tree-optimize.c (init_tree_optimization_passes): Add one more
15070         copyrename pass just before out-of-ssa.
15071
15072 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
15073
15074         PR bootstrap/18058
15075         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
15076         * ggc-none.c (ggc_free): Define.
15077
15078 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
15079
15080         * cse.c (max_reg, max_insn_uid): Remove.
15081         (cse_main): Don't access max_reg or max_insn_uid.
15082
15083         * c-common.c (explicit_flag_signed_bitfields,
15084         lang_statement_code_p, lang_expand_function_end): Remove.
15085         * c-common.h: Remove the corresponding declarations.
15086         * c-opts.c (c_common_handle_option): Remove all write access
15087         to explicit_flag_signed_bitfields.
15088
15089         * cgraph.c (cgraph_varpool_n_nodes): Remove.
15090         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
15091         * cgraph.h: Remove the corresponding declaration.
15092
15093         * gcse.c (null_pointer_info): Remove.
15094
15095 2005-01-23  Roger Sayle  <roger@eyesopen.com>
15096             Eric Botcazou  <ebotcazou@libertysurf.fr>
15097
15098         * combine.c (simplify_logical): Only simplify logical expressions
15099         of the form ior(and(x,y),z) by the inverse distributive law if the
15100         result is cheaper than the original.
15101
15102 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
15103
15104         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
15105         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
15106         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
15107         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
15108         config/freebsd-spec.h, config/arm/arm.h,
15109         config/h8300/h8300.md, config/i386/i386.md,
15110         config/i386/predicates.md, config/i386/sse.md,
15111         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
15112         config/vax/vax.md: Fix comment typos.  Follow spelling
15113         conventions.
15114
15115 2005-01-23  Steven Bosscher  <stevenb@suse.de>
15116
15117         * gengtype.c (walk_type): Produce `not equal to' compares for loop
15118         tests, instead of `less than'.
15119
15120 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
15121
15122         * function.c (assign_parm_setup_block): When creating a new stack slot
15123         for a parameter, get its alignment from the parameter's DECL_ALIGN
15124         rather than the type's TYPE_ALIGN.  Make sure that the parameter
15125         is at least word aligned.
15126
15127 2005-01-22  Roger Sayle  <roger@eyesopen.com>
15128
15129         PR middle-end/19378
15130         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
15131
15132 2005-01-22  Richard Henderson  <rth@redhat.com>
15133
15134         PR target/19506
15135         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
15136         in both compare operands.
15137         (movdfcc_1_sse_max): Likewise.
15138         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
15139         (movdfcc_1_sse): Likewise.
15140         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
15141         scratch register as needed.
15142
15143 2005-01-22  Richard Henderson  <rth@redhat.com>
15144
15145         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
15146
15147         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
15148
15149 2005-01-22  Richard Henderson  <rth@redhat.com>
15150
15151         * genopinit.c (optabs): Use smin/smax for floating point too.
15152         * doc/md.texi: Update to match.  Clarify that floating point
15153         results are undefined for +0/-0 and NaN.
15154         * doc/rtl.texi: Likewise.
15155         * rtl.def (SMIN, SMAX): Likewise
15156         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
15157
15158         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
15159         leading 's' to the name.
15160         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
15161         smaxxf3, sminxf3): Likewise.
15162         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
15163         Likewise.
15164
15165 2005-01-22  Paul Brook  <paul@codesourcery.com>
15166
15167         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
15168
15169 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
15170
15171         * config/s390/s390.c (struct processor_costs): New fields
15172         dlgr, dlr, dr, dsgfr, dsgr.
15173         (z900_cost, z990_cost): Values for new fields.
15174         (s390_rtx_costs): New cases MEM und COMPARE in switch
15175         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
15176         DIV, MOD, UDIV, UMOD.
15177
15178 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
15179
15180         * config/s390/s390.md ("doloop_si64"): Reload input value directly
15181         into the register being decremented.
15182         ("doloop_si31", "doloop_di"): Likewise.
15183         ("*doloop_si_long"): Adapt pattern.
15184
15185 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
15186
15187         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
15188         access registers.
15189         (CLASS_MAX_NREGS): Likewise.
15190
15191 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
15192
15193         * doc/tree-ssa.texi (Statement Operands): Add example for new
15194         must-def macro. Note deprecation of old operands interface.
15195
15196 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
15197
15198         PR tree-optimization/19484
15199         * tree-cfg.c (remove_fallthru_edge): New function.
15200         (cleanup_control_flow): Remove fallthru edges from calls that are
15201         now known not to return.
15202
15203 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
15204
15205         Fix PR tree-optimization/19038
15206         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
15207         copies with loop variant ones.
15208
15209 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
15210
15211         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
15212         config/alpha/alpha-protos.h, config/alpha/alpha.h,
15213         config/alpha/alpha.md, config/alpha/predicates.md,
15214         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
15215         config/sparc/sol2.h: Update copyright.
15216
15217         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
15218         first label to see if it is a nonlocal label.
15219
15220 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
15221             Andrew Pinski  <pinskia@physics.uc.edu>
15222
15223         PR target/19491
15224         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
15225         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
15226
15227 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
15228
15229         * config/rs6000/rtems.h: Update copyright.
15230
15231 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
15232
15233         PR target/19548
15234         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
15235         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
15236         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
15237
15238 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
15239
15240         PR c/18809
15241         * c-typeck.c (convert_arguments): Check for error_mark_node.
15242
15243 2005-01-21  Ian Lance Taylor  <ian@airs.com>
15244
15245         PR tree-optimization/13000
15246         * tree-inline.c: Include "tree-flow.h".
15247         (expand_call_inline): If warn_return_type, warn if non-void inline
15248         function falls through.
15249         * tree-cfg.c (execute_warn_function_return): Don't warn about
15250         control reaching end if TREE_NO_WARNING is set.  Set
15251         TREE_NO_WARNING.
15252         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
15253         has been lowered.
15254         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
15255         branch if we don't need one.
15256         * c-typeck.c: Include "tree-flow.h"
15257         (c_finish_bc_stmt): Don't add a goto if the current statement
15258         list doesn't fall through to the current point.
15259
15260 2005-01-21  Roger Sayle  <roger@eyesopen.com>
15261
15262         PR rtl-optimization/576
15263         * real.c (real_arithmetic): Change return type from void to bool
15264         to return an indication that the result may be inexact.
15265         * real.h (real_arithmeric): Update prototype.
15266         * fold-const.c (const_binop):  Don't constant fold floating
15267         point expressions when the user specifies -frounding-math and
15268         the result may depend upon the run-time rounding mode.
15269         (fold_convert_const_real_from_real): Clean-up.
15270         (fold_initializer): Ignore flag_rounding_math for initializers.
15271         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
15272         constant fold FP operations with flag_rounding_math if the
15273         result may depend upon the run-time rounding mode.
15274
15275 2005-01-21  Tom Tromey  <tromey@redhat.com>
15276
15277         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
15278
15279 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
15280
15281         * tree-cfg.c: Fix comment typos.
15282
15283 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
15284
15285         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
15286         around the call to rest_of_handle_branch_target_load_optimize.
15287
15288 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
15289
15290         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
15291         (sparc64-*-openbsd*): Likewise.
15292         (sparclite-*-elf*): Include tm-dwarf2.h.
15293         (sparc86x-*-elf*): Likewise.
15294         (sparc64-*-elf*): Likewise.
15295         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
15296         (DBX_DEBUGGING_INFO): Likewise.
15297         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
15298         (PREFERRED_DEBUGGING_TYPE): Likewise.
15299         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
15300         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
15301         (PREFERRED_DEBUGGING_TYPE): Likewise.
15302         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
15303         (PREFERRED_DEBUGGING_TYPE): Likewise.
15304         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
15305
15306 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
15307
15308         PR target/18701
15309         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
15310
15311 2005-01-20  Paul Brook  <paul@codesourcery.com>
15312
15313         * doc/rtl.texi: Document value extension requirements for CONST_INT.
15314
15315 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
15316
15317         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
15318         label is first in a sequence of labels.
15319
15320         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
15321
15322 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
15323             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
15324
15325         * doc/sourcebuild.texi (Test Directives): New.
15326
15327 2005-01-20  Roger Sayle  <roger@eyesopen.com>
15328
15329         * real.c (real_floor): Don't leave the result uninitialized when
15330         mode is VOIDMode, but return the unrounded intermediate value.
15331         (real_ceil): Likewise.
15332
15333 2005-01-20  Paul Brook  <paul@codesourcery.com>
15334
15335         * config/arm/arm.md (insv): Use gen_int_mode.
15336
15337 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
15338
15339         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
15340         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
15341         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
15342         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
15343         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
15344
15345 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
15346
15347         Fix PR debug/19124
15348         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
15349         fbreg, so we have to assume we can't.
15350         (loc_descriptor_from_tree_1): Ditto.
15351         (containing_function_has_frame_base): New function.
15352         (add_location_or_const_value_attribute): Use it.
15353         Also try to generate a frame_base from a single element location
15354         list.
15355
15356 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
15357
15358         PR tree-optimization/15349
15359         * timevar.def (TV_TREE_MERGE_PHI): New.
15360         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
15361         PHI_WANTED.
15362         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
15363         calls to tree_forwarder_block_p.
15364         (remove_forwarder_block_with_phi, merge_phi_nodes,
15365         gate_merge_phi, pass_merge_phi): New.
15366         * tree-optimize.c (init_tree_optimization_passes): Add
15367         pass_merge_phi.
15368         * tree-pass.h: Add an extern for pass_merge_phi;
15369
15370 2005-01-20  Richard Henderson  <rth@redhat.com>
15371
15372         PR target/19418
15373         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
15374         (_mm_castps_pd, _mm_castps_si128): New.
15375         (_mm_castsi128_ps, _mm_castsi128_pd): New.
15376
15377 2005-01-20  Richard Henderson  <rth@redhat.com>
15378
15379         PR target/19530
15380         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
15381         __builtin_ia32_vec_init_v2si.
15382         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
15383         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
15384         (ix86_init_mmx_sse_builtins): Create it.
15385         (ix86_expand_builtin): Expand it.
15386         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
15387         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
15388         (vec_extractv2si_0, vec_extractv2si_1): New.
15389
15390 2005-01-20  Richard Henderson  <rth@redhat.com>
15391
15392         PR target/16533
15393         * config/i386/i386.c (ix86_expand_push): New.
15394         * config/i386/mmx.md (push<MMXMODE>1): New.
15395         * config/i386/sse.md (push<SSEMODE>1): New.
15396         * config/i386/i386-protos.h: Update.
15397
15398 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
15399
15400         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
15401         copyright.
15402
15403 2005-01-20  Richard Henderson  <rth@redhat.com>
15404
15405         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
15406         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
15407
15408 2005-01-19  Richard Henderson  <rth@redhat.com>
15409
15410         PR target/19350
15411         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
15412         to V4SFmode in SSE1 fallback load path.
15413
15414 2005-01-19  Richard Henderson  <rth@redhat.com>
15415
15416         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
15417         in QImode expansion to ix86_expand_vector_set.
15418         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
15419
15420 2005-01-19  Richard Henderson  <rth@redhat.com>
15421
15422         PR target/19511
15423         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
15424         subclass of the input class.
15425         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
15426         Always true for cross-SSE1 classes.  Rationalize conditionals.
15427         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
15428         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
15429         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
15430         (movdi_2): Add MMX/SSE zeros.
15431         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
15432         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
15433         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
15434         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
15435         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
15436         (zero_extendsidi2_rex64_1): Remove.
15437         (MOV0 peephole): Check GENERAL_REG_P.
15438
15439 2005-01-19  Richard Henderson  <rth@redhat.com>
15440
15441         PR target/19427
15442         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
15443         shufps elements.
15444         (ix86_expand_vector_extract): Likewise.
15445
15446 2005-01-19  Richard Henderson  <rth@redhat.com>
15447
15448         PR middle-end/19304
15449         * expr.c (emit_move_change_mode): New argument force; use
15450         simplify_gen_subreg if true.
15451         (emit_move_via_alt_mode): Merge into ...
15452         (emit_move_via_integer): ... here.
15453         (emit_move_ccmode): Use emit_move_change_mode directly.
15454
15455 2005-01-19  Richard Henderson  <rth@redhat.com>
15456
15457         PR target/19518
15458         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
15459         (alpha_preferred_reload_class): Handle CONST_VECTOR.
15460         (alpha_emit_set_const_1): Add no_output parameter; don't emit
15461         rtl if true.
15462         (alpha_emit_set_const): Likewise.  Make static.
15463         (alpha_emit_set_long_const): Make static.
15464         (alpha_extract_integer): Split out from alpha_expand_mov.
15465         (alpha_split_const_mov): Likewise.
15466         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
15467         (alpha_legitimate_constant_p): New.
15468         * config/alpha/alpha-protos.h: Update.
15469         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
15470         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
15471         * config/alpha/alpha.md (movsi): Add n alternative.
15472         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
15473         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
15474         (splitters for all of the above): Use alpha_split_const_mov.
15475         * config/alpha/predicates.md (non_add_const_operand): New.
15476         (non_zero_const_operand): New.
15477         (input_operand): Use alpha_legitimate_constant_p after reload.
15478
15479 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
15480
15481         PR tree-optimization/19038
15482         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
15483         (add_candidate): Add ivs with increment in latch only if
15484         allow_ip_end_pos_p is true.
15485         (determine_iv_cost): Use empty_block_p.
15486
15487 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
15488
15489         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
15490         (compute_dominance_frontiers): Ditto.
15491
15492 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
15493
15494         PR target/19529
15495         * config/sh/t-rtems: New.
15496         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
15497
15498 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
15499
15500         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
15501         the offset of the selected field.
15502
15503 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
15504
15505         * tree-cfg.c (remove_forwarder_block): Fix the check to
15506         prevent a nonlocal label from appearing in the middle of a
15507         basic block.
15508
15509 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
15510
15511         PR rtl-optimization/19462
15512         * reorg.c (find_end_label): Create return insn only if
15513         current_function_epilogue_delay_list is empty.
15514
15515 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
15516
15517         * doc/passes.texi: Remove paragraph mentioning new-ra.
15518
15519 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
15520
15521         PR rtl-optimization/15139
15522         * combine.c: Include params.h.
15523         (count_rtxs): New function.
15524         (record_value_for_reg): If replace_rtx would replace at least
15525         2 occurrences of REG in VALUE and TEM is really large, replace REG with
15526         (clobber (const_int 0)) instead of TEM.
15527         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
15528         * params.h (MAX_LAST_VALUE_RTL): New.
15529         * Makefile.in (combine.o): Depend on $(PARAMS_H).
15530         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
15531
15532         PR c/17297
15533         * c-typeck.c (digest_init): Only call build_vector if all constructor
15534         elements are *_CST nodes.
15535         * gimplify.c (gimplify_init_constructor): Likewise.
15536
15537         PR middle-end/19164
15538         * c-typeck.c (digest_init): Only call build_vector if inside_init
15539         is a CONSTRUCTOR.
15540
15541 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
15542
15543         * toplev.c (init_asm_output): Remove dead #ifdef.
15544
15545 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
15546
15547         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
15548
15549 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
15550
15551         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
15552         accessing DECL_FUNCTION_CODE.
15553         * dojump.c (do_jump): Likewise.
15554         * gimplify.c (gimplify_call_expr): Likewise.
15555         * predict.c (expr_expected_value): Likewise.
15556         (strip_builtin_expect): Likewise.
15557         * tree-inline.c (estimate_num_insns_1): Likewise.
15558         * tree-ssa-loop-im.c (stmt_cost): Likewise
15559         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
15560         (tree_expr_nonnegative_p): Likewise.
15561
15562 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
15563
15564         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
15565         variant of the load_pcrel_sym pattern.
15566         * config/sparc/sparc.md (P macro): Move to the top.
15567         (load_pcrel_sym): Macroize using P.
15568         (save_register_window): Likewise.
15569
15570 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
15571
15572         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
15573         ("sordered"): Same.
15574
15575 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
15576
15577         PR C/19472
15578         * c-typeck.c (build_asm_expr): Strip nops off
15579         input memory operands.
15580
15581 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
15582
15583         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
15584         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
15585         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
15586         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
15587
15588 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
15589
15590         PR target/19379
15591         * config/i386/i386.c (override_options): If the 80387 is disabled,
15592         then do not return FP values using FP registers.
15593
15594 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
15595
15596         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
15597         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
15598         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
15599         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
15600         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
15601         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
15602         output.h, postreload-gcse.c, postreload.c, recog.c,
15603         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
15604         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
15605         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
15606         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
15607         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
15608         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
15609         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
15610         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
15611
15612         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
15613         config/alpha/alpha.c, config/arm/vfp.md,
15614         config/i386/emmintrin.h, config/i386/i386-modes.def,
15615         config/i386/i386-protos.h, config/i386/i386.h,
15616         config/i386/pmmintrin.h, config/i386/ppro.md,
15617         config/i386/predicates.md, config/i386/xmmintrin.h,
15618         config/i860/i860.c, config/ia64/ia64-modes.def,
15619         config/ia64/ia64-protos.h, config/ia64/ia64.h,
15620         config/ia64/ia64.md, config/ia64/itanium1.md,
15621         config/ia64/itanium2.md, config/ia64/predicates.md,
15622         config/iq2000/iq2000.h, config/mips/linux64.h,
15623         config/rs6000/aix41.h, config/rs6000/aix43.h,
15624         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
15625         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
15626         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
15627         config/sparc/linux64.h, config/sparc/litecoff.h,
15628         config/sparc/sp64-elf.h, config/sparc/sparc.c,
15629         config/sparc/sparc.h, config/sparc/sparc.md,
15630         config/sparc/sysv4-only.h: Update copyright.
15631
15632 2005-01-18  Richard Henderson  <rth@redhat.com>
15633
15634         PR target/19496
15635         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
15636
15637 2005-01-18  Marc Espie  <espie@openbsd.org>
15638         * config/i386/openbsdelf.h: Typo.
15639
15640 2005-01-18  Richard Henderson  <rth@redhat.com>
15641
15642         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
15643         special case for sse.
15644         * config/i386/predicates.md (sse_comparison_operator): Likewise.
15645
15646 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
15647
15648         * tree-inline.c (estimate_num_insns_1): Added cases for
15649         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
15650
15651 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
15652
15653         PR rtl-optimization/19296
15654         * combine.c (simplify_comparison): Rewrite the condition under
15655         which a non-paradoxical SUBREG of a PLUS can be lifted when
15656         compared against a constant.
15657
15658 2005-01-18  Andi Kleen <ak@muc.de>
15659
15660         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
15661         * c.opt (-Wpointer-sign): Add.
15662         * doc/invoke.texi: (-Wpointer-sign): Add.
15663
15664 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
15665
15666         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
15667         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
15668         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
15669         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
15670         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
15671         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
15672         for TARGET_MIX_SSE_I387.
15673         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
15674         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
15675         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
15676         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
15677         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
15678         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
15679         TARGET_MIX_SSE_I387.
15680         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
15681         from expander.
15682
15683 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
15684
15685         PR target/19424
15686         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
15687         Add movaps alternative for xmm reg->reg move.
15688
15689 2005-01-17  Jeff Law  <law@redhat.com>
15690
15691         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
15692         at the end of the main DOM loop rather than just before DOM exits.
15693
15694 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
15695
15696         PR tree-optimization/19121
15697         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
15698         adding aliases to a name tag, also add them to the pointer's
15699         type tag.
15700         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
15701         sensitive alias info at all.  Only check that the two pointers
15702         have compatible pointed-to sets.
15703         * tree-ssa.c (verify_name_tags): Verify that the alias set of
15704         a pointer's type tag is a superset of the alias set of the
15705         pointer's name tag.
15706
15707 2005-01-17  James E Wilson  <wilson@specifixinc.com>
15708
15709         PR target/19357
15710         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
15711         comment to document why.
15712
15713 2005-01-17  Richard Henderson  <rth@redhat.com>
15714
15715         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
15716         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
15717         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
15718         sse2_vmsminv2df3_finite): New.
15719         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
15720         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
15721         Force op1 into register.
15722
15723 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
15724
15725         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
15726         bubblestrap from always rebuilding build directory.
15727
15728 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
15729
15730         * config/s390/s390.md ("*clc"): Remove incorrect '='.
15731         ("*cmpmem_short"): Likewise.
15732
15733 2005-01-17  Steven Bosscher  <stevenb@suse.de>
15734
15735         * basic-block.h: Document BB_* flags.
15736         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
15737         use an sbitmap instead.
15738         * sched-rgn.c (compute_trg_info): Likewise.
15739
15740 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
15741
15742         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
15743         redundant target_cpu_default and extra_parts lines.  Use the default
15744         "from-abi" ISA.
15745         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
15746         (SUBTARGET_EXTRA_SPECS): Delete.
15747         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
15748         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
15749         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
15750         and "n32" for -mabi=n32.
15751
15752 2005-01-17  Ian Lance Taylor  <ian@airs.com>
15753
15754         PR c/5675
15755         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
15756         fold constant variables into initial values.
15757
15758 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
15759
15760         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
15761
15762         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
15763         through the statements backward.
15764
15765 2005-01-17  Ian Lance Taylor  <ian@airs.com>
15766
15767         PR middle-end/13127:
15768         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
15769         a variable set to the return value of the inlined function.
15770
15771 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
15772
15773         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
15774         when modes are tieable.
15775
15776 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
15777
15778         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
15779         of pthread_create to find out if threads are enabled.
15780         * gthr-posix95.h (__gthread_active_p): Likewise.
15781
15782 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
15783
15784         * common.opt (-fnew-ra): Remove.
15785         * ra*.*: Remove.
15786         * toplev.h (flag_new_regalloc): Remove.
15787         * Makefile.in (ra*.*): Don't mention.
15788         * passes.c (rest_of_handle_new_regalloc): Remove.
15789         (rest_of_handle_combine, rest_of_compilation): Always consider
15790         flag_new_regalloc as false.
15791         * doc/invoke.texi: Don't document -fnew-ra.
15792
15793 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
15794
15795         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
15796         last parameter to reg_scan.
15797         * loop.c (loop_optimize): Likewise.
15798         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
15799         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
15800         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
15801         rest_of_handle_gcse, rest_of_handle_loop_optimize,
15802         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
15803         * regclass.c (reg_scan): Likewise, for the declaration.
15804         * rtl.h (reg_scan): Likewise, for the prototype.
15805
15806 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
15807
15808         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
15809         mark_dfs_back_edges.
15810
15811 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
15812
15813         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
15814         (compute_avail): Uses don't go in tmp_gen.
15815
15816 2005-01-16  Steven Bosscher  <stevenb@suse.de>
15817
15818         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
15819         loop to look for a free slot in a page entry.
15820
15821 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15822
15823         PR target/16304
15824         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
15825         * toplev.c (compile_file): Call process_pending_assemble_output_defs
15826         just before targetm.asm_out.file_end.
15827         * tree.h (process_pending_assemble_output_defs): Declare.
15828         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
15829         New functions.
15830         (assemble_alias): Defer generation of assembly code for defines when
15831         TARGET_DEFERRED_OUTPUT_DEFS is true.
15832         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
15833         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
15834         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
15835
15836 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15837
15838         PR target/19336
15839         * pa.c (pa_scalar_mode_supported_p): New function.
15840         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
15841         * pa.h (MIN_UNITS_PER_WORD): Add comment.
15842
15843         * pa-protos.h (prefetch_operand): Delete.
15844         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
15845         * pa.c (prefetch_operand): Delete.
15846         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
15847         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
15848         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
15849         and prefetch_nocc_operand.
15850         * pa.md (prefetch): Rework to avoid reload problems handling short
15851         displacements when a cache control completer needs to be provided.
15852         (prefetch_32, prefetch_64): Delete.
15853         (prefetch_cc, prefetch_nocc): New patterns.
15854
15855 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
15856
15857         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
15858
15859 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15860
15861         PR ada/19388
15862         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
15863         exceeds maximum alignment for global common data.
15864         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
15865         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
15866
15867 2004-01-15  Roger Sayle  <roger@eyesopen.com>
15868
15869         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
15870
15871 2004-01-15  Roger Sayle  <roger@eyesopen.com>
15872
15873         * harg-reg-set.h (reg_class_names): Prototype global array.
15874         * regclass.c (reg_class_names): Declare here and initialize to
15875         REG_CLASS_NAMES.
15876         (dump_regclass): Remove local declaration of reg_class_names.
15877         (regclass): Likewise.
15878         * cfg.c (dump_flow_info): Likewise.
15879         * ra-debug.c (reg_class_names): Likewise.
15880         * regrename.c (reg_class_names): Likewise.
15881         * reload.c (reg_class_names): Likewise.
15882         * reload1.c (spill_failure): Likewise.
15883         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
15884
15885 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
15886
15887         * config/s390/s390.md ("reload_outti"): Remove predicate for
15888         output operand.  Abort if operand is not a MEM.
15889         ("reload_outdi", "reload_outdf"): Likewise.
15890
15891 2005-01-15  Marc Espie  <espie@openbsd.org>
15892
15893         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
15894         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
15895         * config/openbsd.h:  Fix C++ includes for native configurations.
15896         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
15897         Add trampoline support.
15898         * config/i386/openbsdelf.h: New.
15899
15900 2005-01-15  Marc Espie  <espie@openbsd.org>
15901
15902         * collect2.c (main): Explicitly parse -dynamic-linker option.
15903
15904 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
15905
15906         PR tree-optimization/19060
15907         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
15908         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
15909         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
15910         and handle extract_range_from_cond returning false.
15911         * fold-const.c (fold): Optimize comparisons with min/max even for
15912         width > HOST_BITS_PER_WIDE_INT.
15913
15914 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
15915
15916         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
15917         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
15918         Remove little endian multilib variants.
15919         Add mips32 multilib variant.
15920
15921 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
15922
15923         * explow.c (copy_all_reg, stabilize): Remove.
15924         * expr.h: Remove the corresponding prototypes.
15925
15926         * rtlanal.c (regs_set_between_p): Remove.
15927         * rtl.h: Remove the corresponding prototype.
15928
15929 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
15930
15931         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
15932         to rs6000_nonimmediate_operand.
15933         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
15934         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
15935         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
15936         rs6000_nonimmediate_operand.
15937         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
15938         rs6000_nonimmediate_operand.
15939
15940 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
15941
15942         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
15943
15944 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
15945
15946         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
15947         on e500v2.
15948         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
15949         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
15950
15951         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
15952         (rs6k_nonimmediate_operand): New.
15953         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
15954         correctly.
15955         (legitimate_lo_sum_address_p): Same.
15956         (rs6000_legitimize_address): Same.
15957         (rs6000_legitimize_reload_address): Same.
15958         (rs6000_legitimate_address): Same.
15959         (spe_build_register_parallel): Pass DF and DC modes in a DI
15960         register.
15961
15962         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
15963         to rs6k_nonimmediate_operand.
15964
15965         * config/rs6000/spe.md ("*frob_df_di"): New.
15966         ("*frob_di_df"): New.
15967         ("*frob_di_df_2"): New.
15968         ("*mov_sidf_e500_subreg0"): New.
15969         ("*mov_sidf_e500_subreg4"): New.
15970         ("*movdf_e500_double"): Change predicate to
15971         rs6k_nonimmediate_operand.
15972
15973 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
15974
15975         * postreload.c (move2add_note_store): Only call
15976         trunc_int_for_mode on scalar integers.
15977
15978 2005-01-14  Steven Bosscher  <stevenb@suse.de>
15979
15980         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
15981         replace BB_VISITED uses.
15982         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
15983         (propagate_necessity): Check the bitmap instead of BB_VISITED.
15984         (tree_dce_done): Free visited_control_parents.
15985         (perform_tree_ssa_dce): Allocate and clear it.
15986         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
15987         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
15988         instead of BB_VISITED.
15989
15990 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
15991
15992         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
15993         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
15994         Remove unused prototypes.
15995
15996 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
15997
15998         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
15999         64-bit register usage.
16000         (spe_func_has_64bit_regs_p): Add FIXME note.
16001
16002 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
16003
16004         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
16005         flag_finite_math_only with flag_unsafe_math_optimizations.
16006
16007 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
16008
16009         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
16010         end-of-stack check.
16011         (__tpf_eh_return): Copy TPF private stack area from the module
16012         boundary stack frame.  Add check for when module addresses are
16013         equal, but no stub address is found.
16014
16015 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
16016
16017         PR target/7525
16018         * arm.h (struct machine_function): Add call_via field.
16019         (thumb_call_via_label): Declare.
16020         * arm.c (thumb_call_via_label): New variable.
16021         (thumb_call_reg_needed): New variable.
16022         (arm_output_function_epilogue): For Thumb code, output any per-function
16023         call-indirect trampolines.
16024         (thumb_call_via_reg): New function.
16025         (arm_file_end): New function.
16026         (TARGET_ASM_FILE_END): Call arm_file_end.
16027         (aof_file_end): Likewise.
16028         * arm-protos.h (thumb_call_via_reg): Declare.
16029         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
16030         thumb_call_via_reg in normal case.
16031
16032 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
16033
16034         PR middle-end/19084
16035         PR rtl-optimization/19348
16036         * recog.c (peephole2_optimize): Do global life update if some peephole
16037         decides it doesn't need at least one of its inputs and that change
16038         influences liveness at the start of the basic block.
16039
16040         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
16041         arguments instead of 1.
16042
16043 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
16044
16045         PR middle-end/18820
16046         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
16047         zero for nested functions needing a static chain or functions
16048         with a non-constant address.
16049
16050 2005-01-13  Roger Sayle  <roger@eyesopen.com>
16051
16052         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
16053         (and (sign_extend X) C) into (zero_extend (and X C)).
16054
16055 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
16056
16057         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
16058
16059 2005-01-13  Richard Henderson  <rth@redhat.com>
16060
16061         PR target/19009
16062         PR target/19250
16063         PR target/19252
16064         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
16065         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
16066         not just TARGET_SSE.
16067         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
16068         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
16069         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
16070         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
16071         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
16072         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
16073         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
16074         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
16075         (movdicc_c_rex64): Rename with '*'.
16076         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
16077         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
16078         (movsfcc_1_387): Rename from movsfcc_1.
16079         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
16080         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
16081         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
16082         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
16083         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
16084         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
16085         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
16086         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
16087         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
16088         sse_movdfcc_const0_4): Remove.
16089         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
16090         recognize min/max early.  Update for changed sse cmove patterns.
16091         (ix86_split_sse_movcc): New.
16092         * config/i386/i386-protos.h: Update.
16093
16094 2005-01-13  Steven Bosscher  <stevenb@suse.de>
16095
16096         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
16097         (fix_stmt_v_may_defs): Likewise.
16098
16099 2005-01-13  Richard Henderson  <rth@redhat.com>
16100
16101         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
16102         for converting the mask.
16103
16104 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
16105
16106         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
16107         definition to 600.
16108
16109 2005-01-13  Richard Henderson  <rth@redhat.com>
16110
16111         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
16112         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
16113         IX86_BUILTIN_MOVDQ2Q): Remove.
16114         (IX86_BUILTIN_VEC_EXT_V4SI): New.
16115         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
16116         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
16117         shuffling.
16118         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
16119         (sse2_pextrw): Fix immediate constraint.
16120         (sse2_loadq, sse2_loadq_rex64): Remove.
16121         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
16122         Use __builtin_ia32_vec_ext_<size>.
16123         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
16124
16125 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
16126
16127         * function.c (assign_parm_setup_block): Look inside original
16128         entry_parm when inspecting PARALLEL.
16129
16130 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
16131             Joel Sherrill  <joel@oarcorp.com>
16132
16133         PR target/19399
16134         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
16135         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
16136         rtems_gxx_recursive_mutex_init.
16137         (__gthread_recursive_mutex_lock): New function.
16138         (__gthread_recursive_mutex_trylock): Likewise.
16139         (__gthread_recursive_mutex_unlock): Likewise.
16140
16141 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
16142
16143         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
16144
16145 2005-01-13  Jan Beulich  <jbeulich@novell.com>
16146
16147         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
16148         (ashrti3_internal): Indicate output is early clobber. Generate result
16149         into output rather than first input. Use move for low word of output
16150         if shift count is exactly 64.
16151         (lshrti3_internal): Likewise.
16152
16153 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
16154
16155         PR target/18329
16156         PR target/18330
16157         * reload1.c (delete_output_reload): Don't delete an output reload
16158         if the pseudo lives longer than a single basic block.  Adjust and
16159         improve wording of comment.
16160
16161 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
16162
16163         PR target/19334
16164         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
16165         of TYPE_SIZE where we mean the number of bytes.
16166
16167 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
16168
16169         * function.c (assign_parm_setup_block): Relax condition on
16170         multi-register optimization.
16171
16172 2005-01-12  Nick Clifton  <nickc@redhat.com>
16173
16174         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
16175         an "in_delay_slot" attribute of "no" to prevent them being used in
16176         delay slots.  This is forbidden because they might generate
16177         exceptions.
16178
16179 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
16180
16181         PR target/19389
16182         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
16183         with r->Y and Y->r.
16184
16185 2005-01-12  Nick Clifton  <nickc@redhat.com>
16186
16187         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
16188         passed on to GAS) but do not define, as GAS no longer supports or
16189         needs the -m2000 option.
16190
16191 2005-01-11  Roger Sayle  <roger@eyesopen.com>
16192
16193         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
16194         type as args of unprototyped builtins aren't automatically promoted.
16195         (fold_builtin_abs): Likewise.
16196
16197 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
16198
16199         * Makefile.in: Set a `build-warn' variable.
16200
16201 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
16202
16203         PR tree-optimization/17949
16204         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
16205         (find_interesting_uses_address): Use it.
16206
16207 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
16208
16209         * regrename.c (kill_value): Handle subreg's that won't simplify.
16210
16211 2005-01-11  Richard Henderson  <rth@redhat.com>
16212
16213         PR target/13366
16214         * config/i386/i386.h (enum ix86_builtins): Move ...
16215         * config/i386/i386.c: ... here.
16216         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
16217         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
16218         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
16219         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
16220         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
16221         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
16222         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
16223         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
16224         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
16225         IX86_BUILTIN_LOADDDUP): Remove.
16226         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
16227         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
16228         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
16229         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
16230         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
16231         (ix86_init_builtins): Make static.
16232         (ix86_init_mmx_sse_builtins): Update for changed builtins.
16233         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
16234         if all the modes match.  Otherwise, fake it.
16235         (get_element_number, ix86_expand_vec_init_builtin,
16236         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
16237         (ix86_expand_builtin): Make static.  Update for changed builtins.
16238         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
16239         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
16240         (ix86_expand_vector_init_duplicate): New.
16241         (ix86_expand_vector_init_low_nonzero): New.
16242         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
16243         Split out from ix86_expand_vector_init; handle integer modes.
16244         (ix86_expand_vector_init): Use them.
16245         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
16246         * config/i386/i386-protos.h: Update.
16247         * config/i386/predicates.md (reg_or_0_operand): New.
16248         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
16249         (movv2sf_internal): Likewise.  And a splitter to match them all.
16250         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
16251         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
16252         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
16253         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
16254         (mmx_pinsrw): Fix operand ordering.
16255         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
16256         rather than sse_loadss expander.
16257         (movv2df splitter): Similarly.
16258         (sse_loadss, sse_loadlss): Remove.
16259         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
16260         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
16261         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
16262         (sse3_movddup): Rename with '*'.
16263         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
16264         (sse2_loadsd): Remove.
16265         (vec_dupv2df_sse3): Rename from sse3_loadddup.
16266         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
16267         (sse2_pinsrw): Fix argument ordering.
16268         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
16269         (sse2_stored): Remove 'r' destination.
16270         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
16271         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
16272         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
16273         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
16274         vec_extractv16qi, vec_initv16qi): New.
16275
16276         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
16277         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
16278         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
16279         constructor form.
16280         (_mm_load_pd, _mm_store_pd): Use plain dereference.
16281         (_mm_load_si128, _mm_store_si128): Likewise.
16282         (_mm_load1_pd): Use _mm_set1_pd.
16283         (_mm_load_sd): Use _mm_set_sd.
16284         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
16285         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
16286         (_mm_set_epi64): Use _mm_set_epi64x.
16287         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
16288         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
16289         _mm_setr_epi8): Use _mm_set_foo form.
16290         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
16291         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
16292         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
16293         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
16294         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
16295         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
16296         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
16297         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
16298         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
16299         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
16300         (_mm_movedup_pd): Use _mm_shuffle_pd.
16301         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
16302         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
16303         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
16304         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
16305         Use _mm_setzero_ps.
16306         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
16307         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
16308         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
16309         (_mm_store_ps): Use raw dereference.
16310         (_mm_store1_ps): Use _mm_storeu_ps.
16311         (_mm_storer_ps): Use _mm_store_ps.
16312         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
16313         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
16314
16315 2005-01-11  Stan Shebs  <shebs@apple.com>
16316
16317         * config/rs6000/rs6000.c (machopic_output_stub): Issue
16318         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
16319
16320 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
16321
16322         PR target/18761
16323         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
16324         Skip all DECLs except for FIELD_DECLs.
16325
16326 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
16327
16328         * config/s390/s390.c (override_options): Return error if
16329         -mbackchain, -mpacked-stack and -mhard-float are used together.
16330         (s390_va_start): Remove the backchain && packed-stack special case.
16331         (s390_gimplify_va_arg): Likewise.
16332         * doc/invoke.texi: Remove the ABI incompatibility note.
16333
16334 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
16335
16336         * config/s390/s390.c (struct s390_frame_layout): Remove
16337         save_backchain_p.
16338         (s390_frame_info, s390_emit_prologue): Replace occurrences of
16339         save_backchain_p with TARGET_BACKCHAIN.
16340
16341 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
16342
16343         PR target/18916
16344         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
16345         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
16346         * function.c (locate_and_pad_parm): Set new field.
16347         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
16348         Tweak where_pad test to include "none".  Always set mem align for
16349         stack_parm.
16350         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
16351         not sufficient for type.
16352         (assign_parm_setup_block): If stack_parm is zero on entry, always
16353         make a new stack local.  Block move old stack parm if necessary
16354         to new aligned stack local.
16355         (assign_parm_setup_stack): Use a block move to handle
16356         potentially misaligned entry_parm.
16357         (assign_parms_unsplit_complex): Specify required alignment when
16358         creating stack local.
16359         * calls.c (compute_argument_addresses): Override alignment of stack
16360         arg calculated from its type with the alignment given by
16361         FUNCTION_ARG_BOUNDARY.
16362         (store_one_arg): Likewise.
16363
16364 2005-01-11  Jan Beulich  <jbeulich@novell.com>
16365
16366         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
16367         Change respective itanium_class attribute to ialu.
16368         (shladdp4_internal): New.
16369         * config/ia64/predicates.md (shladd_log2_operand): New.
16370
16371 2005-01-11  Richard Henderson  <rth@redhat.com>
16372
16373         * expr.c (store_constructor): Use rtvec_alloc instead of
16374         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
16375
16376 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
16377
16378         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
16379
16380 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
16381
16382         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
16383         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
16384         (TARGET_RWRELOC): Define.
16385         (ia64_rwreloc_section_type_flags): Delete.
16386         (ia64_section_type_flags): New function.
16387         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
16388         (TARGET_RWRELOC): Define.
16389
16390 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
16391
16392         PR target/18987
16393         * config/ia64/ia64.c (process_set): For alloc insn, only call
16394         process_epilogue is !frame_pointer_needed.
16395
16396 2005-01-10  Roger Sayle  <roger@eyesopen.com>
16397
16398         PR c++/19355
16399         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
16400         unary operator and can't be treated as a binary/comparison operator.
16401
16402 2005-01-10  Richard Henderson  <rth@redhat.com>
16403
16404         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
16405         (ix86_return_in_memory): Likewise.
16406         (function_arg_advance):  Likewise.  Mirror structure in function_arg
16407         for choosing register to advance.
16408
16409 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
16410
16411         * tree-vectorizer.c, tree.def: Fix comment typos.
16412
16413 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
16414
16415         * config/s390/s390.c (struct processor_costs): 4 new fields:
16416         ddbr, ddr, debr, der.
16417         (s390_rtx_costs): More precise handling of divide instructions.
16418
16419 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
16420
16421         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
16422
16423 2005-01-10  Jan Beulich  <jbeulich@novell.com>
16424
16425         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
16426         names resulting from -ffunction-sections/-fdata-sections and linkonce
16427         ones.
16428         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
16429         based on the section name. Rearrange the section name comparison logic
16430         slightly so that each section name is compared against at most once.
16431
16432 2005-01-10  Ben Elliston  <bje@au.ibm.com>
16433
16434         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
16435         targets for which -fPIC reduces limitations on the GOT size.
16436
16437 2005-01-09  Falk Hueffner  <falk@debian.org>
16438
16439         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
16440         X/C1 cmpop C2.
16441
16442 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
16443
16444         PR target/18720
16445         * collect2.c (main): Set aixrtl_flag for -brtl option.
16446         (resolve_lib_name): Search for .so file extension before .a
16447         if aixrtl_flag set.
16448
16449 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
16450
16451         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
16452         (vect_analyze_data_refs_alignment): Add dump prints.
16453
16454 2005-01-09  Ira Rosen  <irar@il.ibm.com>
16455
16456         * tree-vectorizer.c (vect_analyze_offset_expr): Use
16457         expr_invariant_in_loop_p.
16458         Initialize outputs first thing in the function.
16459         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
16460         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
16461         (vect_analyze_pointer_ref_access): Check that the initial condition of
16462         the access function is loop invariant.
16463
16464 2005-01-09  Richard Henderson  <rth@redhat.com>
16465
16466         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
16467         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
16468         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
16469         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
16470         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
16471         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
16472         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
16473         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
16474         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
16475         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
16476         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
16477         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
16478         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
16479         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
16480         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
16481         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
16482         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
16483         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
16484         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
16485         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
16486         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
16487         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
16488         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
16489         mmx_ prefix.
16490         (mmx_clrdi, pavgusb): Remove.
16491         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
16492         with leading sse_ prefix.
16493         * config/i386/sse.md: Receive them.
16494         * config/i386/mmx.md: New file.
16495         (MMXMODE12, MMXMODE24, mmxvecsize): New.
16496         (subrv2sf3): Turn into expander for normal subtraction.
16497         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
16498         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
16499         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
16500         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
16501         commutative; use ix86_binary_operator_ok.
16502         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
16503         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
16504         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
16505         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
16506         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
16507         Macroize from existing patterns; use ix86_binary_operator_ok.
16508         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
16509         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
16510         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
16511         with vec_select+vec_concat.
16512         (mmx_pshufw, mmx_pshufw_1): Likewise.
16513         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
16514         (mmx_uavgv4hi3): Model correctly.
16515         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
16516         _mm_xor_si64): Remove casts.
16517
16518 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
16519
16520         PR tree-optimization/19224
16521         * tree-scalar-evolution.c (get_instantiated_value,
16522         set_instantiated_value): New functions.
16523         (instantiate_parameters_1): Cache the results.
16524         (instantiate_parameters, resolve_mixers): Initialize and free
16525         the cache.
16526
16527 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
16528
16529         * config/i386/i386.md (addhi_4): Correct reference in comment.
16530         (addqi_4): Same.
16531
16532 2005-01-08  Richard Henderson  <rth@redhat.com>
16533
16534         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
16535         (_mm_cvtsi128_si64x): Likewise.
16536         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
16537         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
16538         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
16539         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
16540         * config/i386/i386-protos.h: Update.
16541         * config/i386/i386.c (print_operand): Add 'H'.
16542         (ix86_fixup_binary_operands): Split out from ...
16543         (ix86_expand_binary_operator): ... here.
16544         (ix86_fixup_binary_operands_no_copy): New.
16545         (ix86_expand_fp_absneg_operator): Handle vector mode results.
16546         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
16547         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
16548         (safe_vector_operand): Use CONST0_RTX.
16549         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
16550         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
16551         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
16552         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
16553         special cases.
16554         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
16555         (IX86_BUILTIN_CMPNGESS): New.
16556         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
16557         (attr type): Add sselog1.
16558         (attr unit, attr memory): Handle it.
16559         (movti, movti_internal, movti_rex64): Move near other integer moves.
16560         (movtf, movtf_internal): Move near other fp moves.
16561         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
16562         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
16563         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
16564         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
16565         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
16566         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
16567         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
16568         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
16569         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
16570         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
16571         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
16572         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
16573         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
16574         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
16575         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
16576         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
16577         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
16578         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
16579         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
16580         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
16581         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
16582         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
16583         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
16584         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
16585         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
16586         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
16587         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
16588         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
16589         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
16590         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
16591         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
16592         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
16593         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
16594         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
16595         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
16596         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
16597         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
16598         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
16599         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
16600         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
16601         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
16602         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
16603         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
16604         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
16605         same time.
16606         (SSEPUSH, push<SSEPUSH>): Remove.
16607         (MMXPUSH, push<MMXPUSH>): Remove.
16608         (sse_movaps, sse_movaps_1, sse_movups): Remove.
16609         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
16610         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
16611         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
16612         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
16613         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
16614         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
16615         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
16616         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
16617         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
16618         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
16619         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
16620         (ppro_sse_log_V4SF): Handle sselog1.
16621         * config/i386/predicates.md (const_0_to_1_operand): New.
16622         (const_0_to_255_mul_8_operand): New.
16623         (const_1_to_31_operand): Rename from const_int_1_31_operand.
16624         (const_2_to_3_operand, const_4_to_7_operand): New.
16625         * config/i386/sse.md: New file.
16626         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
16627         (sse_movups): Rename from sse_movups_1.
16628         (sse_loadlss): Rename from sse_loadss_1.
16629         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
16630         from the name.
16631         (negv4sf2): Use ix86_expand_fp_absneg_operator.
16632         (absv4sf2, negv2df, absv2df): New.
16633         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
16634         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
16635         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
16636         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
16637         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
16638         (sse3_addsubv4sf3): Model correctly.
16639         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
16640         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
16641         (sse_movhlps): Model with vec_select+vec_concat.
16642         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
16643         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
16644         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
16645         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
16646         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
16647         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
16648         sse2_pshufhw_1): Likewise.
16649         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
16650         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
16651         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
16652         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
16653         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
16654         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
16655         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
16656         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
16657         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
16658         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
16659         sminv8hi3): Mark commutative
16660         operands.  Use ix86_binary_operator_ok.
16661         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
16662         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
16663         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
16664         sse2_punpcklqdq): Allow operand2 in memory.
16665         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
16666         sse2_movsd): Add memory alternatives.
16667         (sse_storelps): Turn expander into an insn; split after reload.
16668         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
16669         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
16670
16671 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
16672
16673         * configure.ac (DWARF-2 debug_line): Use objdump.
16674         * configure: Regenerate.
16675
16676 2005-01-08  Jeff Law  <law@redhat.com>
16677             Diego Novillo  <dnovillo@redhat.com>
16678
16679         PR tree-optimization/18241
16680         * tree-nrv.c (tree_nrv): Ignore volatile return values.
16681         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
16682         statements with volatile operands.
16683         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
16684         operands after marking a statement with has_volatile_ops.
16685
16686 2005-01-08  Roger Sayle  <roger@eyesopen.com>
16687
16688         * tree.c (int_fits_type_p): Always honor integer constant
16689         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
16690
16691 2005-01-08  Roger Sayle  <roger@eyesopen.com>
16692
16693         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
16694         the latent bug in rtl_delete_block has been resolved.
16695
16696 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
16697
16698         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
16699         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
16700
16701 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
16702
16703         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
16704         library as @multilib_dir@/$(SHLIB_SONAME).
16705
16706 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
16707
16708         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
16709         * configure: Regenerate.
16710
16711 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
16712
16713         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
16714         TYPE_MODE.
16715
16716 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
16717
16718         PR target/13674
16719         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
16720         Convert non-word aligned offset address using ld/std into
16721         indirect address.
16722
16723 2005-01-07  Richard Henderson  <rth@redhat.com>
16724
16725         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
16726
16727 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
16728
16729         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
16730
16731 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
16732
16733         PR tree-optimization/19283
16734         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
16735         is not shorter than the original type.
16736
16737         PR rtl-optimization/19012
16738         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
16739
16740         PR rtl-optimization/18861
16741         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
16742         (FULL_STATE): Define.
16743         (mark_tablejump_edge): New function.
16744         (purge_dead_tablejump_edges): New function.
16745         (find_bb_boundaries): Use it.
16746
16747         PR tree-optimization/18828
16748         * builtins.c (expand_builtin_next_arg): Remove argument and all
16749         the argument checking.
16750         (expand_builtin): Adjust caller.
16751         (expand_builtin_va_start): Likewise.  Remove error for too many
16752         arguments.
16753         (fold_builtin_next_arg): Issue error for too many arguments.
16754         After checking arguments, replace them with magic arguments that
16755         prevent further checking of the args.
16756
16757 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16758
16759         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
16760
16761 2005-01-06  Roger Sayle  <roger@eyesopen.com>
16762
16763         PR target/6077
16764         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
16765         and %{.S:...} (and their negative variants) to test whether the
16766         input file is assembler or pre-processed-assembler independent of
16767         the actual filename extension.
16768
16769 2005-01-06  Roger Sayle  <roger@eyesopen.com>
16770
16771         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
16772         of sign or zero extended values.
16773
16774 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
16775
16776         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
16777         for IBM long double format correctly.
16778
16779 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
16780
16781         Fix PR tree-optimization/18792
16782
16783         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
16784         to first_loop_depth, and use loop depth instead of loop number.
16785         (build_classic_dir_vector): Ditto.
16786         (compute_data_dependences_for_loop): Use depth, not loop number.
16787         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
16788         number. Pass in loops, instead of loop numbers.
16789         (gather_interchange_stats): Ditto.
16790         (linear_transform_loops): Ditto.
16791
16792 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
16793
16794         PR rtl-opt/13299
16795         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
16796         biv_fits_mode_p, extension_within_bounds_p): New functions.
16797         (check_ext_dependent_givs): Use them.
16798
16799 2005-01-06  Roger Sayle  <roger@eyesopen.com>
16800
16801         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
16802         more than one barrier, in which case we should delete them all.
16803
16804 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
16805
16806         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
16807
16808 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
16809
16810         Fix PR middle-end/19286
16811         Fix PR debug/19267
16812         * dwarf2out.c (gen_subprogram_die): If we've already tried to
16813         output this subprogram, simply ignore this attempt to do it again.
16814         (add_abstract_origin_attribute): Don't abort trying to add the abstract
16815         origin attribute if it's not possible.
16816         (gen_block_die): Don't ignore subblocks of "unused" blocks.
16817         (decls_for_scope): Ditto.
16818         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
16819         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
16820
16821 2005-01-05  Richard Henderson  <rth@redhat.com>
16822
16823         PR target/11327
16824         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
16825         (bdesc_2arg): Use it.
16826         (ix86_expand_binop_builtin): Force operands into registers
16827         when optimizing.
16828         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
16829         ix86_expand_sse_compare, ix86_expand_sse_comi,
16830         ix86_expand_builtin): Likewise.
16831
16832 2005-01-05  Richard Henderson  <rth@redhat.com>
16833
16834         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
16835         and VEC_SELECT.
16836         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
16837         (mulv4hi3): Set itanium_class mmmul.
16838         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
16839         (fpack): Rename from fpack_sfsf.
16840
16841 2005-01-05  Richard Henderson  <rth@redhat.com>
16842
16843         PR rtl-opt/10692
16844         * reload1.c (do_input_reload): Restrict the optimization deleteing
16845         a previous output reload to RELOAD_FOR_INPUT.
16846
16847 2005-01-05  Steven Bosscher  <stevenb@suse.de>
16848
16849         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
16850         comment that we fall through after case.
16851         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
16852         (distribute_links): Likewise.
16853         * cse.c (cse_insn): Likewise.
16854         * cselib.c (cselib_invalidate_mem): Likewise.
16855         * df.c: Update comments at the top of the file.
16856         (read_modify_subreg_p): Update comments here too.
16857         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
16858         * flow.c (mark_set_1): Likewise.
16859         (mark_used_regs): Likewise.
16860         * gcse.c (mems_conflict_for_gcse_p): Likewise.
16861         (canon_list_insert): Likewise.
16862         (mark_set): Likewise.
16863         (try_replace_reg): Likewise.
16864         (store_killed_in_insn): Likewise.
16865         * loop.c (count_one_set): Likewise.
16866         (basic_induction_var): Likewise.
16867         * postreload-gcse.c (find_mem_conflicts): Likewise.
16868         * postreload.c (reload_combine_note_store): Likewise.
16869         (move2add_note_store): Likewise.
16870         * reload.c (find_equiv_reg): Likewise.
16871         (mark_referenced_resources): Likewise.
16872         * rtlanal.c (set_noop_p): Likewise.
16873         (note_stores): Likewise.
16874         (note_uses): Likewise.
16875         * sched-deps.c (sched_analyze_1): Likewise.
16876         * sched-rgn.c (check_live_1): Likewise.
16877         (update_live_1): Likewise.
16878         * config/i860/i860.c: Likewise.
16879
16880         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
16881         an lvalue.
16882         (ZERO_EXTRACT): Mention that this one can be an lvalue.
16883
16884         * doc/rtl.texi: Update documentation for bit-fields and SET.
16885
16886 2005-01-05  Roger Sayle  <roger@eyesopen.com>
16887
16888         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
16889
16890 2005-01-05  Jan Hubicka  <jh@suse.cz>
16891             Richard Henderson  <rth@redhat.com>
16892
16893         PR target/18910
16894         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
16895         with an offset.
16896
16897 2005-01-05  Richard Henderson  <rth@redhat.com>
16898
16899         PR target/12902
16900         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
16901         (sse_shufps): Change operand 3 to const_int_operand.
16902         (sse2_storelps): Fix typo in template.
16903         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
16904         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
16905         (ix86_expand_builtin): Likewise.
16906
16907 2005-01-05  Julian Brown  <julian@codesourcery.com>
16908
16909         * config/arm/arm.c (arm_return_in_memory): Treat complex types
16910         as aggregates for AAPCS ABIs.
16911
16912 2005-01-05  Stan Shebs  <shebs@apple.com>
16913
16914         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
16915         Mach-O getters if ppc64.
16916         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
16917         size argument.
16918         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
16919         signed four-byte field for global code case.
16920         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
16921
16922 2005-01-05  Roger Sayle  <roger@eyesopen.com>
16923
16924         PR middle-end/19100
16925         * c-common.c: Include real.h.
16926         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
16927         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
16928         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
16929         * Makefile.in (c-common.o): Update dependencies.
16930
16931 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
16932
16933         * c-parse.in (asm_string): Add trailing semicolon.
16934
16935 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
16936
16937         * c-parse.in (asm_string): New.  Don't allow wide strings in
16938         'asm'.
16939         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
16940         asm_string instead of STRING.
16941
16942 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
16943
16944         * c-typeck.c (constructor_no_implicit): Remove.
16945         (set_designator, process_init_element): Don't check
16946         constructor_no_implicit.
16947
16948 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
16949             Kaz Kojima  <kkojima@gcc.gnu.org>
16950
16951         PR target/16482
16952         * lcm.c (create_pre_exit): New.
16953         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
16954         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
16955
16956 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
16957
16958         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
16959         -msoft-float in target_float_switch.
16960         * arm.c (arm_override_options): Fix processing of target_float_switch.
16961
16962 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
16963
16964         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
16965         preferencing.
16966
16967 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
16968
16969         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
16970         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
16971
16972 2005-01-04  Roger Sayle  <roger@eyesopen.com>
16973
16974         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
16975         if deleting the then-block allows the test-block to fallthru to the
16976         else-block.
16977
16978 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
16979
16980         PR c/19152
16981         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
16982         after the full declaration if the are in two different TUs.
16983
16984 2005-01-04  Richard Henderson  <rth@redhat.com>
16985
16986         PR tree-opt/19158
16987         * tree-sra.c (generate_one_element_init): Just
16988         call gimplify_and_add.
16989         (generate_element_init): Record the
16990         new referenced variables and mark them for renaming
16991         and split out to ...
16992         (generate_element_init_1): This.
16993         (scalarize_init): Don't call push_gimplify_context/
16994         pop_gimplify_context.
16995
16996 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
16997
16998         * toplev.c (get_src_pwd): Handle failure of getpwd().
16999
17000 2005-01-04  Roger Sayle  <roger@eyesopen.com>
17001
17002         * fold-const.c (fold_single_bit_test): Delete unreachable handling
17003         of TRUTH_NOT_EXPR.
17004         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
17005         all the cases handled by it are inverted by invert_truthvalue.
17006
17007 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
17008
17009         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
17010         (save_register_windowsi): Likewise.
17011
17012 2005-01-04  Richard Henderson  <rth@redhat.com>
17013
17014         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
17015
17016 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
17017
17018         PR middle-end/17767
17019         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
17020         any simplifications of vector mode comparison operators.
17021         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
17022
17023 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
17024             Devang Patel  <dpatel@apple.com>
17025
17026         PR tree-optimization/18308
17027         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
17028         the operands before creating a new expression.
17029         * dojump.c (do_jump): Make drop_through_label available
17030         for all cases.  Add expansion of COND_EXPR.
17031
17032 2005-01-04  Ira Rosen  <irar@il.ibm.com>
17033
17034         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
17035         INTEGER_CST instead of TREE_CONSTANT.
17036         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
17037         instead of TREE_CONSTANT.
17038         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
17039         instead of TREE_CONSTANT.
17040
17041 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
17042
17043         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
17044
17045 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
17046
17047         PR target/19240
17048         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
17049         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
17050
17051 2005-01-03  Richard Henderson  <rth@redhat.com>
17052
17053         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
17054         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
17055         fold_convert_const_real_from_real): Split out from ...
17056         (fold_convert_const): ... here.
17057
17058 2005-01-03  Richard Henderson  <rth@redhat.com>
17059
17060         PR target/19235
17061         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
17062         (mov<MMXMODEI>_internal): Likewise.
17063         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
17064         Add V2SF case; use it for SSE1; don't use TI.
17065         (movdf_integer): Likewise.
17066         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
17067
17068 2005-01-03  Ira Rosen  <irar@il.ibm.com>
17069
17070         * tree-vectorizer.c (vect_strip_conversions): New function.
17071         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
17072         check for binary class.
17073
17074 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
17075
17076         Fix PR debug/17924
17077         Fix PR debug/19191
17078         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
17079         is a decl.
17080         * gimple-low.c (mark_blocks_with_used_vars): New function.
17081         (mark_blocks_with_used_subblocks): Ditto.
17082         (mark_used_blocks): Ditto.
17083         (pass_mark_used_blocks): New pass.
17084         * tree-inline.c: Include debug.h.
17085         (expand_call_inline): Call outlining_inline_function here.
17086         * tree-optimize.c (init_tree_optimization_passes): Add
17087         pass_mark_used_blocks.
17088         * tree-pass.h (pass_mark_used_blocks): New.
17089         * Makefile.in (tree-inline.o): Add debug.h dependency.
17090
17091 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
17092
17093         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
17094         VAR_DECLs to have weak_import attribute.
17095
17096         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
17097         'struct ucontext'.
17098
17099 2004-01-03  Steven Bosscher  <stevenb@suse.de>
17100
17101         * passes.c (rest_of_compilation): Don't run regmove if only
17102         flag_expensive_optimizations, require flag_regmove instead.
17103
17104 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
17105
17106         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
17107         register "sparc".
17108         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
17109         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
17110         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
17111         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
17112
17113 2005-01-03  Richard Henderson  <rth@redhat.com>
17114
17115         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
17116         (ia64_const_ok_for_letter_p): New.
17117         (ia64_const_double_ok_for_letter_p): New.
17118         (ia64_extra_constraint): New.
17119         (ia64_expand_vecint_compare): New.
17120         (ia64_expand_vcondu_v2si): New.
17121         (ia64_expand_vecint_cmov): New.
17122         (ia64_expand_vecint_minmax): New.
17123         (ia64_print_operand): Add 'v'.
17124         (ia64_preferred_reload_class): New.
17125         (ia64_vector_mode_supported_p): New.
17126         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
17127         (PREFERRED_RELOAD_CLASS): Move to function.
17128         (CONST_OK_FOR_LETTER_P): Move to function.
17129         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
17130         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
17131         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
17132         (EXTRA_CONSTRAINT): Move to function.
17133         * config/ia64/ia64.md: Include vect.md.
17134         (itanium_class): Add mmalua.
17135         (type): Handle it.
17136         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
17137         (1b_mmalua): New.
17138         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
17139         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
17140         CONST0_RTX.
17141         (const_int_2bit_operand): New.
17142         (fr_reg_or_0_operand): New.
17143         * config/ia64/ia64-modes.def: Add vector modes.
17144         * config/ia64/ia64-protos.h: Update.
17145         * config/ia64/vect.md: New file.
17146
17147 2005-01-03  Richard Henderson  <rth@redhat.com>
17148
17149         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
17150
17151 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
17152
17153         PR target/19236
17154         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
17155         to SFmode.
17156         (log1pdf2): Change mode of operands[0,1] to DFmode.
17157
17158 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
17159
17160         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
17161         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
17162         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
17163         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
17164         SPARC_RELAXED_ORDERING.
17165
17166 2005-01-03  Richard Henderson  <rth@redhat.com>
17167             Uros Bizjak  <uros@kss-loka.si>
17168
17169         PR target/14631
17170         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
17171         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
17172         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
17173         handling.
17174         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
17175         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
17176         const_pow2_1_to_128_operand): New predicates.
17177
17178 2005-01-02  Greg McGary  <greg@mcgary.org>
17179
17180         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
17181         anonymous decls.
17182         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
17183         object.  [ptr_type]: Remove unused variable.
17184         Remember nearest addressable array-element or record-component
17185         when checking bitfield components.  Tolerate empty BIND_EXPR.
17186
17187 2005-01-01  Richard Henderson  <rth@redhat.com>
17188
17189         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
17190         that don't narrow the value.  Fail for other conversions.
17191
17192 2005-01-01  Richard Henderson  <rth@redhat.com>
17193
17194         PR c/19031
17195         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
17196         * c-lang.c (finish_file): Don't do it here.
17197         * objc/objc-act.c (objc_finish_file): Likewise.
17198
17199         * cgraph.c (decl_assembler_name_equal): New.
17200         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
17201         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
17202         * cgraph.h (struct cgraph_varpool_node): Add next.
17203         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
17204         * varasm.c (assemble_alias): Mark the target as needed.
17205
17206 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
17207
17208         PR middle-end/19221
17209         * function.c (get_arg_pointer_save_area): Use entry_of_function
17210         instead of get_insns.
17211
17212 2005-01-01  Roger Sayle  <roger@eyesopen.com>
17213             Andrew Pinski  <pinskia@physics.uc.edu>
17214             James E. Wilson  <wilson@specifixinc.com>
17215
17216         PR rtl-optimization/12092
17217         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
17218         is zero.
17219
17220 2005-01-01  Roger Sayle  <roger@eyesopen.com>
17221             Olivier Hainque  <hainque@act-europe.fr>
17222
17223         * tree.c (int_fits_type_p): A narrower type always fits in a
17224         wider one, except for negative values into unsigned types.
17225
17226 2005-01-01  Roger Sayle  <roger@eyesopen.com>
17227
17228         * tree.c (int_fits_type_p): Compare the result of force_fit_type
17229         with the original constant rather than require TREE_OVERFLOW.
17230
17231 2005-01-01  Steven Bosscher  <stevenb@suse.de>
17232
17233         PR middle-end/17544
17234         * c-decl.c (finish_function): If compiling C99, annotate the
17235         compiler generated return with the current file name and line 0.
17236         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
17237         the source line is greater than 0.
17238         (remove_bb): Likewise.