invoke.texi (Warning Options): Document -Walways-true being enabled by -Wall.
[platform/upstream/gcc.git] / gcc / ChangeLog
1 2005-12-16  Ben Elliston  <bje@au.ibm.com>
2
3         * doc/invoke.texi (Warning Options): Document -Walways-true being
4         enabled by -Wall.
5
6 2005-12-15  Joseph S. Myers  <joseph@codesourcery.com>
7
8         PR other/25028
9         * libgcc2.h (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Define.
10         * libgcc2.c (__floatdixf, __floatundixf, __floatditf,
11         __floatunditf): Use #error if type sizes don't match requirements
12         of implementation.
13         (__floatdisf, __floatdidf): Unify.  Possibly use XFmode or TFmode
14         as wider floating-point type.  Use #error if type sizes don't
15         match requirements of implementation.  Avoid overflow in computing
16         Wtype_MAXp1_F * Wtype_MAXp1_F.  When special casing conversion,
17         shift one more bit.  Cast 1 to DWtype or UDWtype for shifting.
18         (__floatundisf, __floatundidf): Likewise.
19         * config/ia64/hpux.h (XF_SIZE, TF_SIZE): Define.
20         * config/ia64/ia64.c (ia64_init_libfuncs): Use
21         _U_Qfcnvfxt_quad_to_quad and _U_Qfcnvxf_quad_to_quad for
22         TFmode-TImode conversions.
23         * doc/tm.texi (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Document.
24
25 2005-12-14  Craig Rodrigues  <rodrigc@gcc.gnu.org>
26
27         * freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS):
28         Use builtin_define_with_int_value() instead of
29         adding a new check for every new major FreeBSD version.
30
31 2005-12-14  Andrew Pinski  <pinskia@physics.uc.edu>
32
33         * config/t-darwin (darwin-c.o): Depend on $(TREE_H) instead of tree.h.
34
35 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
36
37         * config/arm/predicates.md (call_memory_operand): New.
38         * config/arm/arm.md (*call_mem, *call_value_mem): Use it.
39
40 2005-12-15  Andrew Haley  <aph@redhat.com>
41
42         * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Guard
43         against prev_cache_entry == NULL when moving a cache entry to the
44         head of the list.
45         
46 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
47
48         * config/mt/mt.c (mt_override_options): Require lower case
49         architectures.  Revert accidental default to ms2.
50         * config/mt/mt.h (ASM_SPEC, LIBSPEC, STARTFILE_SPEC,
51         ENDFILE_SPEC): Require lower case architectures.  Revert default
52         to ms2.
53
54         * doc/invoke.texi (MT Options): Rename and update.
55         * doc/md.texi (MorphoTech family): Rename and update.
56
57 2005-12-15  Olivier Hainque  <hainque@adacore.com>
58
59         * stor-layout.c (layout_type): Don't complain about a too small
60         an array element type size compared to its alignment when the
61         size overflows.
62
63 2005-12-15  Jan Hubicka  <jh@suse.cz>
64
65         PR target/24969
66         * i386.c (classify_argument): Properly adjust offset of bitfield for
67         substructures.
68
69 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
70
71         * final.c (final_scan_insn): Flip in_cold_section_p when changing
72         between the hot and cold sections.  Use current_function_section
73         to get the new section.
74         * dwarf2out.c (output_line_info): Use in_cold_section_p to
75         determine whether we are assembling hot or cold code.
76         (secname_for_decl, dwarf2out_var_location): Likewise.
77         (dwarf2out_init, dwarf2out_finish): Use switch_to_section.
78         * varasm.c (last_text_section): Delete.
79         (in_cold_section_p): New variable.
80         (hot_function_section): New function.
81         (current_function_section): Pass in_cold_section_p as the
82         reloc argument to select_section.  Use it to decide between
83         unlikely_function_section and hot_function_section.
84         (assemble_start_function): Use switch_to_section.  Set
85         in_cold_section_p instead of last_text_section.
86         (assemble_end_function): Use switch_to_section.
87         (switch_to_section): Don't set last_text_section.
88         * config/darwin/darwin.c (machopic_select_section): Trust the reloc
89         argument to make the right choice between hot and cold sections.
90
91 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
92
93         Second part of MS1->MT renaming
94         * config/mt/mt.md (doloop_end): Call mt_add_loop.
95         (movqi, movhi): Call mt_set_memflags.
96         (*movdf_internal): Call mt_split_words. 
97         (reload_inqi, reload_outqi, reload_inhi, reload_outhi): Call
98         mt_set_memflags.
99         (cmpsi): Store to mt_compare_op[01].
100         (beq, bne, bge, bgt, ble, blt, bgeu, bgtu, bleu, bltu, bunge,
101         bungt, bunle, bunlt): Call mt_emit_cbranch.
102         (prologue): Call mt_expand_prologue.
103         (epilogu): Call mt_expend_epilogue.
104         (eh_return): Call mt_expand_eh_return.
105         (eh_epilogue): Call me_emit_eh_epilogue.
106         (conditional_trap): Store to mt_compare_op[01].
107         * config/mt/crti.asm: Adjust comment.
108         * config/mt/crtn.asm: Adjust comment.
109         * config/mt/mt.c (MT_INT_ARG_FIRST): Renamed.
110         (mt_compare_op0, mt_compare_op1): Renamed.
111         (current_frame_info, zero_frame_info): Adjust type.
112         (mt_ucmpsi3_libcall): Renamed.
113         (mt_flag_delayed_branch): Renamed.
114         (mt_struct_value_rtx, mt_return_addr_rtx): Renamed.
115         (mt_nops_required, mt_nop_reasons): Renamed.
116         (mt_asm_output_opcode, mt_get_attr_type, mt_final_prescan_insn,
117         mt_debug_stack, mt_print_operand_simple_address,
118         mt_print_operand_address, mt_print_operand): Renamed, adjusted.
119         (mt_init_cumulative_args, mt_function_arg_slotno, mt_function_arg,
120         mt_function_arg_advance, mt_arg_partial_bytes,
121         mt_pass_by_reference, mt_function_arg_boundary,
122         mt_reg_ok_for_base_p, mt_legitimate_simple_address_p,
123         mt_legitimate_address_p): Renamed, adjusted.
124         (mt_cpu): Renamed.
125         (mt_init_machine_status, mt_override_options, mt_builtin_saveregs,
126         mt_va_start, mt_compute_frame_size, mt_emit_save_restore,
127         mt_emit_save_fp, mt_emit_save_regs, mt_interrupt_function_p, 
128         mt_expand_prologue, mt_epilogue_uses, mt_expand_epilogue,
129         mt_expand_eh_return, mt_emit_eh_prologue,
130         mt_handl_interrupt_attribute): Renamed, adjusted.
131         (mt_attribute_table): Renamed, adjusted.
132         (mt_initial_elimination_offset, mt_generate_compare,
133         mt_emit_cbranch, mt_set_memflags_1, mt_set_memflags,
134         mt_secondary_reload_class, mt_function_value, mt_split_words,
135         mt_pass_in_stack, mt_add_loop, mt_loop_nesting, mt_block_length,
136         mt_scan_loop, mt_reorg_loops): Renamed, adjusted.
137         (mt_labels): Renamed.
138         (mt_add_branches, mt_check_delay_slot, mt_reorg_hazard,
139         mt_machine_reorg): Renamed, adjusted.
140         (mt_attribute_table: Renamed.
141         (TARGET_ATTRIBUTE_TABLE, TARGET_STRUCT_VALUE_RTX,
142         TARGET_PASS_BY_REFERENCE, TARGET_MUST_PASS_IN_STACK,
143         TARGET_ARG_PARTIAL_BYTES, TARGET_MACHINE_DEPENDENT_REORG): Adjust.
144         * config/mt/mt.opt (march): Set mt_cpu_string.
145         * config/mt/mt.h (mt_ucmpsi3_libcall, mt_cpu): Renamed.
146         (TARGET_CPU_CPP_BUILTINS): Adjust.
147         (TARGET_MS1_64_001, TARGET_MS1_16_002, TARGET_MS1_16_003,
148         TARGET_MS2): Adjust.
149         (TARGET_VERSION, OVERRIDE_OPTIONS, SECONDARY_RELOAD_CLASS): Adjust.
150         (MT_MIN_INT): Renamed.
151         (RETURN_ADDR_RTX): Adjust.
152         (struct mt_frame_info): Renamed.
153         (current_frame_info): Adjust type.
154         (INITIAL_ELIMINATION_OFFSET): Adjust.
155         (MT_NUM_ARG_REGS): Renamed.
156         (REG_PARM_STACK_SPACE, FUNCTION_ARG, INIT_CUMULATVE_ARGS,
157         FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY, FUNCTION_VALUE,
158         LIBCALL_VALUE, EPILOGUE_USES, EXPAND_BUILTIN_VA_START,
159         GO_IF_LEGITIMATE_ADDRESS, REG_OK_FOR_BASE_P, ASM_OUTPUT_OPCODE,
160         FINAL_REPSCAN_INSN, PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Adjust.
161         (mt_compare_op0, mt_compare_op1): Renamed.
162         * config/mt/mt-protos.h: Rename prototypes.
163
164 2005-12-15  Richard Guenther  <rguenther@suse.de>
165
166         * tree-flow.h (okay_component_ref_for_subvars): Remove.
167         (get_ref_base_and_extent): Declare.
168         * tree-dfa.c (okay_component_ref_for_subvars): Remove.
169         (get_ref_base_and_extent): New function.
170         * tree-ssa-alias.c (find_used_portions): Use it.
171         * tree-ssa-structalias.c (get_constraint_for_component_ref):
172         Likewise.
173         * tree-ssa-operands.c (get_expr_operands): Likewise.
174
175 2005-12-15  Paolo Bonzini  <bonzini@gnu.org>
176
177         * combine.c: Remove force_to_mode's fourth parameter.
178         (force_to_mode): Do not handle REG.
179         (canon_reg_for_combine): New.
180         (make_field_assignment): Use it where the removed argument was non-NULL.
181
182 2005-12-15  Alan Modra  <amodra@bigpond.net.au>
183
184         PR target/25406
185         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Handle
186         error_mark_node.  Make alignment params unsigned.
187         * config/rs6000/rs6000-protos.h
188         (rs6000_special_round_type_align): Update prototype.
189         (rs6000_machopic_legitimize_pic_address): Remove arg names.
190
191 2005-12-14  Ulrich Weigand  <uweigand@de.ibm.com>
192
193         PR rtl-optimization/25310
194         * reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs
195         of the eliminable register when substituting into a PLUS.
196
197 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
198
199         PR debug/25023
200         * config/i386/i386.c (ix86_force_to_memory): Always use
201         SImode push for HImode in -m32.
202         (ix86_free_from_memory): Likewise.
203
204 2005-12-14  Richard Sandiford  <richard@codesourcery.com>
205
206         * gcc/config/arm/arm.md: Provide a big-endian version of the
207         (zero_extend:SI (subreg:QI ...)) splitter.
208
209 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
210
211         * struct-equiv.c (note_local_live): Handle hard regs with different
212         hard_regno_nregs.
213
214 2005-12-14  Jeff Law  <law@redhat.com>
215
216         * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
217         to a structure containing state rather than a pointer to bool.
218         (case ARRAY_REF): New code to handle folding some array references.
219         (case ADDR_EXPR): Note when we are processing expressions found
220         within an ADDRE_EXPR.
221         (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
222         for state variables rather than just a pointer to a boolean.
223         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
224         handling of constant string references.
225
226 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
227
228         * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
229         ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
230         ("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
231         Move other tst* patterns to retain partial order.
232
233 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
234
235         * config/s390/s390.md ("d0", "1"): New mode attributes.
236         ("<shift>di3", "<shift>si3"): Merge.
237         ("*<shift>di3_and", "*<shift>si3_and"): Merge.
238         ("ashrdi3", "ashrsi3"): Merge.
239         ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
240         ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
241         ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
242         ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
243         ("*ashrdi3", "*ashrsi3"): Merge.
244         ("*ashrdi3_and", "*ashrsi3_and"): Merge.
245
246 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
247
248         * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
249         ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
250         ("*extendqidi2", "*extendqisi2") Merge.
251         ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
252         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
253         ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
254         Move some patterns to retain partial ordering.
255
256 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
257
258         * config/s390/s390.md ("atype", "length"): Rewrite.
259         ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
260
261 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
262
263         * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
264
265 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
266
267         * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
268         PARALLELs with a mode.
269
270 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
271
272         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
273         cond_expr parameter.
274
275 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
276
277         * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
278
279 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
280
281         PR bootstrap/25397:
282
283         * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
284         of STACK_REGS bits.
285
286         * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
287
288 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
289
290         PR target/25254
291         PR target/24188
292         * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
293         DECL_P, call get_section rather than get_named_section.  Supply
294         section flags to it.
295
296 2005-12-14  Ben Elliston  <bje@au.ibm.com>
297
298         * c-common.c (c_common_truthvalue_conversion): Generalise warning
299         for addresses converted to booleans; not just function addresses.
300         * c-typeck.c (build_binary_op): Warn for address comparisons which
301         can never be NULL (eg. func == NULL or &var == NULL).
302         * common.opt (Walways-true): New option.
303         * c-opts.c (c_common_handle_option): Set it with -Wall.
304         * doc/invoke.texi: Document it.
305
306 2005-12-13  Paul Brook  <paul@codesourcery.com>
307
308         * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
309         __floatunsidf, __floatunsisf, __floatunsixf): New functions.
310
311 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
312
313         * sim/common/sim-signal.c (sim_signal_to_target): Add missing ':'.
314         * sim/common/sim-signal.h (sim_signal_to_target): Return an int.
315
316         * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
317         (EXTRA_MULTILIB_PARTS): Define.
318
319 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
320
321         PR rtl-optimization/20070 / part1
322         * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
323         count_or_remove_death_notes with kill == -1.
324         (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
325         registers if PROP_POST_REGSTACK is set.
326         (mark_used_reg): Likewise.
327         (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
328         REG_UNUSED notes for stack regs.
329         * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
330         to match rtx_equiv_p machinery.  Change caller.
331         (outgoing_edges_match): Likewise.
332         (try_crossjump_to_edge): Use struct_equiv_block_eq
333         instead of flow_find_cross_jump.
334         * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
335         (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
336         (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
337         (STRUCT_EQUIV_MAX_LOCAL): Likewise.
338         (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
339         (insns_match_p): Update prototype.
340         (flow_find_cross_jump): Remove prototype.
341         (struct_equiv_block_eq, struct_equiv_init): Declare.
342         (rtx_equiv_p, condjump_equiv_p): Likewise.
343         * struct-equiv.c: Include reload.h.
344         (IMPOSSIBLE_MOVE_FACTOR): Define.
345         (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
346         (struct_equiv_improve_checkpoint): Likewise.
347         (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
348         (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
349         (struct_equiv_merge, find_dying_input): Likewise.
350         (resolve_input_conflict, note_local_live): Likewise.
351         (death_notes_match_p): Change parameters and processing
352         to match rtx_equiv_p machinery.  Change caller.
353         (insns_match_p): Likewise.
354         (flow_find_cross_jump): Replace with:
355         (struct_equiv_block_eq).
356
357         Back out this change:
358         2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
359           * recog.c (verify_changes): Make it static.
360           * recog.h: Remove the corresponding prototype.
361
362 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
363
364         * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
365         values.
366
367 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
368
369         * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
370         (MULTILIB_DIRNAMES): Add ms2.  Prefix ms1 dirs with 'ms1'.
371         * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
372         TARGET_MS1_64_001 appropriately.
373         (ms1_machine_reorg): Use TARGET_MS2.
374
375 2005-12-13  Jakub Jelinek  <jakub@redhat.com>
376
377         PR debug/25023
378         PR target/25293
379         * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
380         and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
381         Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
382         * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
383         Set mode to SI, adjust constraints.
384         (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
385         * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
386         32-bit code.
387
388 2005-12-13  Carlos O'Donell <carlos@codesourcery.com>
389
390         * c-cppbuiltin.c (builtin_define_float_constants): Add
391         fp_cast parameter, pass to builtin_define_with_hex_fp_value.
392         Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
393         (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
394         (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
395         to "((double)%sL)" otherwise "%s".
396
397 2005-12-13  Paul Brook  <paul@codesourcery.com>
398
399         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
400         apcs/atpcs.
401
402 2005-12-11 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
403
404         * tree-flow.h: Allow compilation with a C++ compiler.
405         (struct edge_prediction): Prefix all field names  with "ep_".
406         * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
407         (tree_predict_edge, combine_predictions_for_bb): Likewise.
408         (remove_predictions_associated_with_edge): Likewise.
409         
410 2005-12-12  Jeff Law  <law@redhat.com>
411
412         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
413         reassociation code.
414         * passes.c (init_optimization_passes): Run reassociation again
415         after loop optimizations.
416
417 2005-12-12  Daniel Berlin  <dberlin@dberlin.org>
418
419         * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
420         if necessary.
421         (optimize_stmt): Ditto.
422         (canonicalize_comparison): New function.
423         * tree-ssa-operands.c (swap_tree_operands): Make external.
424         (get_expr_operands): Stop auto-canonicalization.
425         * tree-ssa-reassoc.c: Rewrite.
426         (init_optimization_passes): 
427         * tree-flow.h (swap_tree_operands): Prototype.
428         * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
429
430 2005-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
431
432         * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
433         indicate function epilogue has been output.
434         (pa_asm_output_mi_thunk): Likewise.
435         (output_deferred_plabels): Put plabels in readonly data section when
436         not generating PIC code.
437         (som_output_text_section_asm_op): Use .NSUBSPA to output debug
438         information.  Add assert.
439         (som_output_comdat_data_section_asm_op): New function.
440         (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
441         instead of output_section_asm_op for COMDAT sections.
442
443 2005-12-12  J"orn Rennecke <joern.rennecke@st.com>
444
445         * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
446         Fix whitespace in vincinity of to-be-installed changes.
447         * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
448         (insns_match_p): Likewise.
449
450 2005-12-12  Nathan Sidwell  <nathan@codesourcery.com>
451
452         * config.gcc (ms1): Replace with ...
453         (mt): ... this.
454         * config/ms1: Rename to ...
455         * config/mt: ... here.  Rename ms1 files to mt.
456         * config/mt/mt.c: Adjust gt-mt.h #include.
457         * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
458         (crti.o, crtn.o): Adjust file names.
459
460 2005-12-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
461
462         * varray.h: Allow compilation with a C++ compiler.
463         (union varray_data_tag): Prefix all field names with "vdt_".
464         (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
465         VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
466         VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
467         VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
468         VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
469         VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
470         (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
471         VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT, 
472         VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT, 
473         VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR, 
474         VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR, 
475         VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE, 
476         VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB, 
477         VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
478         (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT, 
479         VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT, 
480         VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT, 
481         VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR, 
482         VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX, 
483         VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP, 
484         VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE, 
485         VARRAY_TOP_TREE_PTR): Likewise.
486         * varray.c (varray_grow): Likewise.
487         (varray_clear): Likewise.
488
489 2005-12-12  Alan Modra  <amodra@bigpond.net.au>
490
491         PR target/25299
492         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
493         alignment to doubleword if the first field is a double array.
494         * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
495
496 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
497
498         * tree-ssa-structalias.c (process_constraint): Remove code to
499         transform addressofs into scalar.
500         (create_variable_info_for): In whole-program IPA, globals don't
501         point to ANYTHING by default.
502
503 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
504
505         * timevar.def (TV_IPA_PTA): New.
506         * tree-pass.h (pass_ipa_pta): New
507         * tree-ssa-structalias.c: Include cgraph.h
508         (in_ipa_mode): New.
509         (predbitmap_obstack): New.
510         (EXECUTE_IF_IN_NONNULL_BITMAP): New.
511         (struct constraint_stats): Add num_edges.
512         (new_var_info): Don't call bitmap_clear.
513         (struct constraint_edge): Update docs.
514         (new_constraint_edge): Remove src param.
515         (struct constraint_graph): Add zero_weight_succs,
516         zero_weight_preds.  Update docs.
517         (constraint_expr_equal): Reformat.
518         (constraint_edge_equal): Update for removal of src.
519         (constraint_edge_less): Ditto.
520         (constraint_edge_vec_find): Ditto.
521         (erase_graph_self_edge): Update for removal of src and and zero
522         weight bitmap.
523         (clear_edges_for_node): Ditto.
524         (add_graph_edge): Ditto.
525         (get_graph_weights): Ditto.
526         (allocate_graph_weights): Ditto.
527         (merge_graph_nodes): Ditto.
528         (int_add_graph_edge): Ditto.
529         (valid_graph_edge): Ditto.
530         (valid_weighted_graph_edge): Ditto.
531         (build_constraint_graph): Ditto.
532         (scc_visit): Ditto.
533         (collapse_nodes): Ditto.
534         (process_unification_queue): Ditto.
535         (topo_visit): Ditto.
536         (solve_graph): Ditto.
537         (do_structure_copy): Ditto.
538         (perform_var_substitution): Ditto.
539         Init and release obstack.
540         (handle_ptr_arith): Try to resolve directly.
541         (find_func_aliases): Don't call update_alias_info here
542         Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
543         (do_sd_constraint): Add code for propagating faster.
544         Update.
545         (do_ds_constraint): Ditto.
546         (count_num_arguments): New function.
547         (create_function_info_for): Ditto.
548         (create_variable_info_for): Handle FUNCTION_DECL.
549         (intra_create_variable_infos): Use make_constraint_to_anything.
550         (init_alias_vars): Init obstacks here.
551         (need_to_solve): Handle zero weight graph changes.
552         (compute_points_to_sets): Call update_alias_info here.
553         (delete_points_to_sets): Free zero weight preds/succs here.
554         (gate_ipa_pta): New.
555         (ipa_pta_execute): New
556
557 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
558
559         * tree-ssa-structalias.c (var_anyoffset): Removed.
560         (anyoffset_tree): Ditto.
561         (anyoffset_id): Ditto.
562         (do_deref): Take vector of constraints, no return value.
563         Update to work on vector.                
564         (get_constraint_for): Ditto.
565         (get_constraint_for_component_ref): Ditto.
566         (do_structure_copy): Ditto.
567         (handle_ptr_arith): Ditto.
568         (find_func_aliases): Ditto.
569         (set_uids_in_ptset): Remove anyoffset handling.
570         (init_base_vars): Ditto.
571
572 2005-12-10  Mark Mitchell  <mark@codesourcery.com>
573
574         PR c++/25010
575         * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
576         DECL_EXTERNAL functions have no bodies.  Tidy.
577
578 2005-12-10  Andreas Schwab  <schwab@suse.de>
579
580         * except.c (switch_to_exception_section): Only define if
581         TARGET_UNWIND_INFO is not defined.
582
583 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
584
585         * config/darwin.h (HAS_INIT_SECTION): Remove definition.
586         (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
587
588 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
589
590         * output.h (init_section, fini_section): Delete.
591         * varasm.c (init_section, fini_section): Delete.
592         (init_varasm_once): Don't initialize them.
593         * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
594         there are no corresponding varasm.c variables.
595
596 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
597
598         * dwarf2out.c (default_eh_frame_section): Delete, moving handling
599         of EH_FRAME_SECTION_NAME into...
600         (switch_to_eh_frame_section): ...here.  Try to set eh_frame_section
601         if it is still null.
602         * except.c (default_exception_section): Delete, moving most
603         of the code to...
604         (switch_to_exception_section): ...this new function.  Set
605         exception_section if it is still null, then switch to it.
606         (output_function_exception_table): Use switch_to_exception_section.
607         * varasm.c (exception_section, eh_frame_section): Update comments.
608         (get_section): Hoist use of SECTION_NAMED.
609         (init_varasm_once): Don't set exception_section and eh_frame_section.
610         * output.h (default_exception_section): Delete.
611         (default_eh_frame_section): Delete.
612
613 2005-12-09  Bernd Schmidt  <bernd.schmidt@analog.com>
614
615         * config/bfin/bfin.c: Include "cgraph.h".
616         (bfin_load_pic_reg): Omit loading pic reg if in a local function.
617         Return the reg that holds the pointer to the GOT.
618         (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
619         doing stack checking.
620
621 2005-12-09  Diego Novillo  <dnovillo@redhat.com>
622
623         * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
624         recompute_tree_invarant_for_addr_expr.
625         Update uses everywhere.
626
627 2005-12-09  Aldy Hernandez  <aldyh@redhat.com>
628
629         * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
630         (MULTILIB_DIRNAMES): Define.
631
632 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
633
634         PR target/25311
635         * config/s390/s390.c (struct s390_address): New field literal_pool.
636         (s390_decompose_address): Compute literal_pool field.  Do not 
637         assume register %r13 is always (and solely) used as pool base.
638         (s390_extra_constraint_str): Use literal_pool field.
639
640 2005-12-09  Thiemo Seufer  <ths@networkno.de>
641
642         * config/mips/mips.c (override_options): Don't allow too small
643         integers in FP registers.
644
645 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
646
647         * config/s390/s390.c (s390_function_ok_for_sibcall): Use
648         targetm.binds_local_p to check for local function calls.
649
650 2005-12-09  Alan Modra  <amodra@bigpond.net.au>
651
652         PR debug/24908
653         * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
654         call_used_regs can't be used to save reg in another reg.
655
656 2005-12-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
657             Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
658
659         * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
660         abort.
661         * except.c (output_ttype): Likewise.
662         * tree-object-size.c (collect_object_sizes_for): Likewise.
663         (check_for_plus_in_loops_1): Likewise.
664         (check_for_plus_in_loops): Likewise.
665         (compute_object_sizes): Use gcc_unreachable instead of abort.
666
667 2005-12-08  Nathan Sidwell  <nathan@codesourcery.com>
668
669         * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
670         (loop_end, loop_init, doloop_end): New insns.
671         * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
672         (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
673         (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
674         (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
675         * config/ms1/ms1.c: #include basic-block.h
676         (struct machine_function): Add has_loops field.
677         (ms1_add_loop): New.
678         (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
679         (struct loop_info, struct loop_work): New.
680         (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
681         (ms1_reorg_loops): New loop optimization.
682         (ms1_machine_reorg): Call it.
683         * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
684
685 2005-12-08  Zdenek Dvorak  <dvorakz@suse.cz>
686
687         PR tree-optimization/25248
688         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
689         evolution_of_loop from the failed attempt.  Remove handling
690         of MULT_EXPR.
691
692 2005-12-08  Gabriel Dos Reis  <gdr@integrable-solutions.net>
693
694         * tree.h (DECL_EXTERNAL): Clarify documentation.
695
696 2005-12-08  Andreas Krebbel  <krebbel1@de.ibm.com>
697             Jakub Jelinek  <jakub@redhat.com>
698
699         PR target/25268
700         * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
701         argument.  Don't drop outer ANDs.
702         (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
703         * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
704         prototype.
705         * config/s390/predicates.md (setmem_operand): Remove.
706         (shift_count_operand): Rename to...
707         (shift_count_or_setmem_operand): ... this.  Adjust
708         s390_decompose_shift_count caller.
709         * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
710         ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
711         ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
712         <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
713         rotl<mode>3_and, setmem_long_and): New insns.
714         (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
715         ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
716         <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
717         <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
718         of shift_count_operand.
719         (setmem_long): Use shift_count_or_setmem_operand instead of
720         setmem_operand.
721
722 2005-12-08  Daniel Jacobowitz  <dan@codesourcery.com>  
723             Andreas Tobler  <a.tobler@schweiz.ch>
724
725         * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
726         tr expression.
727
728 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
729
730         * expr.c (force_operand): Use convert_to_mode for conversions.
731
732 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
733
734         * reload.h (reg_equiv_invariant): Declare.
735         * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
736         register also when reg_equiv_invariant[R] is set.
737
738 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
739             Andreas Tobler  <a.tobler@schweiz.ch>
740
741         * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
742
743 2005-12-07  Daniel Berlin  <dberlin@dberlin.org>
744
745         * tree-ssa-pre.c (bitmap_set_and): New function.
746         (bitmap_set_and_compl): New function.
747         (bitmap_set_empty_p): New function.
748         (insert_extra_phis): New function.
749         (compute_avail): Use insert_extra_phis.
750
751 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
752
753         * config/s390/s390.c (s390_expand_atomic): New function.
754         Adjust comment of helper functions.
755         * config/s390/s390-protos.h (s390_expand_atomic): Declare.
756         * config/s390/s390.md ("ATOMIC"): New code macro.
757         ("atomic"): Corresponding new code attribute.
758         ("sync_lock_test_and_set[hq]i", 
759         "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
760
761 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
762
763         * config/s390/s390.c (s390_expand_mask_and_shift, 
764         struct alignment_context, init_alignment_context, 
765         s390_expand_cs_hqi): New.
766         * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
767         * config/s390/s390.md ("sync_compare_and_swaphi",
768         "sync_compare_and_swapqi"): New pattern.
769
770 2005-12-07  Daniel Berlin <dberlin@dberlin.org>
771
772         Fix PR tree-optimization/25291
773         * tree-ssa-operands.c (add_call_clobber_ops): Remove
774         redundant and crashing check.
775
776 2005-12-08  Alan Modra  <amodra@bigpond.net.au>
777
778         PR target/25212
779         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
780         tests further when !strict && reload_in_progress.
781         (print_operand): Check that both operands of indexed address are regs.
782         (print_operand_address): Likewise.
783         * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
784         (INT_REG_OK_FOR_BASE_P): Correct.
785
786 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
787
788         Preparation for PR rtl-optimization/20070 / part1
789         * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
790         * cfgcleanup.c (condjump_equiv_p): New function, broken out of
791         outgoing_edges_match.
792         (outgoing_edges_match): Use condjump_equiv_p.
793         (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
794         into..
795         * struct-equiv.c: New file.
796         (death_notes_match_p) New function, broken out of insns_match_p.
797         * Makefile.in (OBJS-common): Add struct-equiv.o.
798         (struct-equiv.o): New target.
799
800 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
801
802         * coretypes.h: Revert previous change.
803         * config/darwin.h: Revert previous reversion.
804         * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
805
806 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
807
808         * coretypes.h (section): Provide dummy definition for target files.
809         * config/darwin.h: Revert previous change.
810
811 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
812
813         * doc/sourcebuild.texi (all.build, install-normal): Remove.
814         * configure.ac: Remove all.build and install-normal from target_list
815         * configure: Regenerate.
816         * Makefile.in (install): Don't depend on install-normal.
817
818 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
819
820         * Makefile.in: Document the use of stamps.
821
822 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
823
824         * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
825         * Makefile.in: Add code to compute some dependencies on s-gtype
826         automatically.  Remove the declaration of those dependencies.
827
828 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
829
830         * gcc/reload.c (push_secondary_reload): Fix typo:
831         s/insn_constraint/scratch_constraint/.
832
833 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
834
835         * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
836
837 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
838
839         * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
840         (alpha_elf_select_rtx_section): Return the selected section rather
841         than emitting assembly code.
842         (alpha_write_linkage): Emit a ".link" directive directly and then
843         set in_section to NULL.
844         (vms_asm_out_constructor): Use switch_to_section.
845         (vms_asm_out_destructor): Likewise.
846         (unicosmk_output_common): Set in_section to NULL instead of calling
847         the dummy common_section function.
848         (unicosmk_text_section): Delete in favor of...
849         (unicosmk_output_text_section_asm_op): ...this new function.
850         (unicosmk_data_section): Delete in favor of...
851         (unicosmk_output_data_section_asm_op): ...this new function.
852         (unicosmk_init_sections): New function.
853         (unicosmk_output_deferred_case_vectors): Use switch_to_section.
854         (unicosmk_output_ssib): Set in_section to NULL instead of calling
855         the dummy ssib_section function.
856         (unicosmk_section_buf): Delete.
857         * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
858         (unicosmk_data_section): Delete.
859         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
860         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
861         (SECTION_FUNCTION_TEMPLATE): Delete.
862         * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
863         (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
864         (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
865         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
866         (TARGET_ASM_INIT_SECTIONS): Define.
867         * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
868         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
869         (link_section, literals_section): Delete.
870         (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
871         set in_section to NULL.
872
873         * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
874         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
875         (COMMON_SECTION): Delete.
876         (TARGET_ASM_INIT_SECTIONS): Define.
877         (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
878         the dummy common_section function.
879         * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
880         * config/arm/arm.c (get_jump_table_size): Use pointer comparison
881         between readonly_data_section and text_section to check whether
882         read-only data is being put in the text section.
883         (arm_output_function_epilogue): Use switch_to_section.
884         (arm_elf_asm_constructor): Likewise.
885         (thumb_call_via_reg): Replace call to in_text_section with
886         a comparison between in_section and text_section.
887         (arm_file_end): Use switch_to_section.
888         (aof_text_section): Delete in favor of...
889         (aof_output_text_section_asm_op): ...this new function.
890         (aof_data_section): Delete in favor of...
891         (aof_output_data_section_asm_op): ...this new function.
892         (aof_asm_init_sections): New function.
893         (zero_init_section): Moved from config/arm/aof.h.
894         (aof_dump_imports, aof_file_start): Use switch_to_section.
895         * config/arm/arm.h (thumb_call_via_label): Update comment.
896         * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
897         (common_section): Delete.
898         * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
899         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
900         global switch_to_section function instead of the old port-local one.
901         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
902         (SWITCH_TO_SECTION_FUNCTION): Delete.
903         (drectve_section): Redefine as a macro.
904         * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
905         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
906         switch_to_section.
907
908         * config/avr/avr.c (progmem_section): New variable.
909         (avr_output_progmem_section_asm_op): New function.
910         (avr_asm_init_sections): New function.
911         (avr_output_addr_vec_elt): Use switch_to_section.
912         * config/avr/avr.h (progmem_section): Declare.
913         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
914         (READONLY_DATA_SECTION): Delete.
915         (TARGET_ASM_INIT_SECTIONS): Define.
916         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
917         * config/avr/avr-protos.h (progmem_section): Delete.
918
919         * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
920
921         * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
922         (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
923
924         * config/darwin-sections.def: New file.
925         * config/darwin.c: Define all sections in darwin-sections.def.
926         (output_objc_section_asm_op, darwin_init_sections): New functions.
927         (machopic_output_indirection): Use switch_to_section.
928         (machopic_select_section): Return the selected section rather than
929         emitting assembly code.  Replace the static function table with
930         inline conditional expressions.  Update the tests of last_text_section
931         and move them into the FUNCTION_DECL block.
932         (machopic_select_rtx_section): Return the selected section rather than
933         emitting assembly code.
934         (machopic_asm_out_constructor, machopic_asm_out_destructor)
935         (darwin_file_end): Use switch_to_section.
936         * config/darwin.h: Use darwin-sections.def to declare sections.
937         (INIT_SECTION_ASM_OP): Remove empty definition.
938         (HAS_INIT_SECTION): Define this instead.
939         (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
940         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
941         (TARGET_ASM_EH_FRAME_SECTION): Delete.
942         (TARGET_ASM_INIT_SECTIONS): Define.
943         * config/darwin-protos.h (darwin_init_sections): Declare.
944         (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
945         (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
946         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
947         (constructor_section, destructor_section, mod_init_section): Delete.
948         (mod_term_section): Delete.
949         (darwin_exception_section, darwin_eh_frame_section): Delete.
950         (machopic_select_section): Return a section.
951         (machopic_select_rtx_section): Likewise.
952         (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
953         (const_section, const_coal_section, const_data_section): Delete.
954         (const_data_coal_section, data_coal_section, cstring_section): Delete.
955         (literal4_section, literal8_section, constructor_section): Delete.
956         (mod_init_section, mod_term_section, destructor_section): Delete.
957         (objc_class_section, objc_meta_class_section, objc_category_section)
958         (objc_class_vars_section, objc_instance_vars_section): Delete.
959         (objc_cls_meth_section, objc_inst_meth_section): Delete.
960         (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
961         (objc_selector_refs_section, objc_selector_fixup_section): Delete.
962         (objc_symbols_section, objc_module_info_section): Delete.
963         (objc_image_info_section, objc_protocol_section): Delete.
964         (objc_string_object_section, objc_constant_string_object_section)
965         (objc_class_names_section, objc_meth_var_names_section): Delete.
966         (objc_meth_var_types_section, objc_cls_refs_section): Delete.
967         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
968         (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
969         (darwin_exception_section, darwin_eh_frame_section): Delete.
970         * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
971
972         * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
973         (frv_asm_out_destructor): Likewise.
974         * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
975         (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
976         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
977         get_named_section.
978         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
979         * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
980         (data_section): Delete.
981
982         * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
983         (DRECTVE_SECTION_FUNCTION): Delete.
984         (drectve_section): Redefine as a macro that sets in_section after
985         emitting the directive.
986         (SWITCH_TO_SECTION_FUNCTION): Delete.
987         * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
988         in_text_section with comparison between in_section and text_section.
989         * config/i386/i386.c (x86_64_elf_select_section): Return the section
990         rather than emitting assembly code.  Use get_named_section.
991         (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
992         get_named_section.
993         (machopic_output_stub): Use switch_to_section.
994         * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
995         (nwld_named_section_asm_out_destructor): Use get_section and
996         switch_to_section.
997
998         * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
999         rather than emitting assembly code.
1000         (ia64_rwreloc_select_section): Likewise.
1001         (ia64_rwreloc_select_rtx_section): Likewise.
1002         * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
1003         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
1004         switch_to_section.
1005         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1006         (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
1007
1008         * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
1009         section rather than emitting assembly code.
1010         (iq2000_select_section): Likewise.
1011         * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
1012         (sbss_section): Delete.
1013
1014         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
1015         and get_named_section.
1016         * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
1017
1018         * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
1019         (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
1020         (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
1021         (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
1022         in_section to NULL.
1023         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1024         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1025         global switch_to_section function instead of the old port-local one.
1026         * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1027         (SWITCH_SECTION_FUNCTION): Delete.
1028         * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
1029         (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
1030         (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
1031         (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
1032         in_section to NULL.
1033         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1034         global switch_to_section function instead of the old port-local one.
1035         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1036
1037         * config/mips/mips.c (mips_file_start): Update comment.
1038         (mips_output_aligned_bss): Use switch_to_section and get_named_section.
1039         (mips_output_aligned_decl_common): Use switch_to_section.
1040         (mips_select_rtx_section): Return the section rather than emitting
1041         assembly code.  Use get_named_section.
1042         (mips_function_rodata_section: Likewise get_section.
1043         (build_mips16_function_stub): Use switch_to_section.
1044         * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
1045         (SDATA_SECTION_ASM_OP): Delete.
1046         * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
1047         (EXTRA_SECTION_FUNCTIONS): Delete.
1048
1049         * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
1050         (mmix_asm_output_aligned_local): Use switch_to_section.
1051
1052         * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
1053         (som_one_only_readonly_data_section): New variables.
1054         (pa_output_function_epilogue): Set in_section to NULL instead of
1055         calling forget_section.
1056         (output_deferred_plabels): Use select_section.
1057         (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
1058         of calling forget_section.
1059         (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
1060         (pa_asm_output_aligned_local): Use select_section.
1061         (som_text_section_asm_op): Delete in favor of...
1062         (som_output_text_section_asm_op): ...this new function.
1063         (pa_som_asm_init_sections): New function.
1064         (pa_select_section): Return the section rather than emitting
1065         assembly code.
1066         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1067         (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
1068         (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
1069         (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
1070         * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
1071         (som_readonly_data_section, som_one_only_readonly_data_section)
1072         (som_one_only_data_section, forget_section): Delete.
1073         * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
1074         (TARGET_ASM_INIT_SECTIONS): Define.
1075         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1076
1077         * config/rs6000/rs6000.c (read_only_data_section): New variable.
1078         (private_data_section, read_only_private_data_section): New variables.
1079         (sdata2_section, toc_section): New variables.
1080         (rs6000_file_start): Use switch_to_section.
1081         (rs6000_assemble_integer): Use comparisons against in_section
1082         instead of calling in_toc_section and in_text_section.  Use
1083         unlikely_text_section_p.
1084         (rs6000_elf_output_toc_section_asm_op): New function, derived
1085         from the old rs6000/sysv4.h toc_section function.
1086         (rs6000_elf_asm_init_sections): New function.
1087         (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
1088         the section rather than emitting assembly code.
1089         (machopic_output_stub): Use switch_to_section.
1090         (toc_section): Delete dummy function.
1091         (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
1092         switch_to_section and get_section.
1093         (rs6000_xcoff_output_readonly_section_asm_op): New function.
1094         (rs6000_xcoff_output_readwrite_section_asm_op): New function.
1095         (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
1096         the old rs6000/xcoff.h toc_section function.
1097         (rs6000_xcoff_asm_init_sections): New function.
1098         (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
1099         the section rather than emitting assembly code.
1100         (rs6000_xcoff_file_start): Use switch_to_section.
1101         (rs6000_xcoff_file_end): Likewise.
1102         * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
1103         (sdata2_section, sbss_section, private_data_section): Delete.
1104         (read_only_data_section, read_only_private_data_section): Delete.
1105         * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1106         (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
1107         (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
1108         (FINI_SECTION_FUNCTION): Delete.
1109         (TARGET_ASM_INIT_SECTIONS): Define.
1110         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1111         * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1112         (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
1113         (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
1114         (READONLY_DATA_SECTION): Delete.
1115         (TARGET_ASM_INIT_SECTIONS): Define.
1116         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
1117         to NULL rather than no_section.
1118         (TARGET_ASM_EXCEPTION_SECTION): Delete.
1119
1120         * config/sh/sh.c (sh_file_start): Use switch_to_section.
1121
1122         * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
1123         (sparc_output_deferred_case_vectors): Likewise.  Remove argument
1124         from call to current_function_section.
1125
1126         * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
1127         (bss100_section): New variable.
1128         (xstormy16_asm_output_aligned_common): Use switch_to_section.
1129         (xstormy16_asm_init_sections): New function.
1130         (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
1131         switch_to_section and get_section.
1132         (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
1133         from calls to current_function_section.
1134         * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
1135         (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
1136         (TARGET_ASM_INIT_SECTIONS): Define.
1137         * config/stormy16/stormy16-protos.h (bss100_section): Delete.
1138
1139         * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1140         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
1141         (FINI_SECTION_FUNCTION): Delete.
1142
1143         * config/v850/v850.c: Include gt-v850.h.
1144         (rosdata_section, rozdata_section, tdata_section, zdata_section)
1145         (zbss_section): New variables.
1146         (v850_output_aligned_bss): Use switch_to_section.
1147         (v850_asm_init_sections): New function.
1148         (v850_select_section): Return the section rather than emitting
1149         assembly code.
1150         * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1151         (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
1152         (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
1153         (TARGET_ASM_INIT_SECTIONS): Define.
1154         * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
1155         (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
1156         (zbss_section): Delete.
1157
1158         * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1159
1160         * config/vx-common.h (vxworks_exception_section): Delete.
1161         (TARGET_ASM_EXCEPTION_SECTION): Delete.
1162
1163         * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
1164         section rather than emitting assembly code.
1165         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
1166         switch_to_section.
1167
1168         * Makefile.in (GTFILES): Add $(srcdir)/output.h.
1169         * coretypes.h (section): New union and typedef.
1170         * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
1171         from call to current_function_section.
1172         (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
1173         (dbxout_symbol_location): Use switch_to_section.
1174         * dwarf2out.c (named_section_eh_frame_section): Delete, moving
1175         most of the code into...
1176         (default_eh_frame_section): ...here.  Return a section.
1177         (collect2_eh_frame_section): Delete, moving most of the code into..
1178         (switch_to_eh_frame_section): ...this new function.
1179         (debug_info_section, debug_abbrev_section, debug_aranges_section)
1180         (debug_macinfo_section, debug_line_section, debug_loc_section)
1181         (debug_pubnames_section, debug_str_section, debug_ranges_section): New
1182         variables.
1183         (output_call_frame_info): Call switch_to_eh_frame_section instead of
1184         eh_frame_section.  Use switch_to_section and get_section.
1185         (dwarf2out_begin_prologue): Use switch_to_section.
1186         (AT_string_form): Check the flags in debug_str_section instead of
1187         DEBUG_STR_SECTION_FLAGS.
1188         (output_comp_unit): Use switch_to_section, get_section, and
1189         debug_info_section.
1190         (output_line_info, secname_for_decl): Use unlikely_text_section_p.
1191         (dwarf2out_begin_block): Use switch_to_section.  Remove argument
1192         from call to current_function_section.
1193         (dwarf2out_var_location): Use unlikely_text_section_p.
1194         (dwarf2out_source_line): Use switch_to_section.  Remove argument
1195         from call to current_function_section.
1196         (dwarf2out_start_source_file, dwarf2out_end_source_file)
1197         (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
1198         debug_macinfo_section.
1199         (dwarf2out_init): Initialize the new section variables.  Use them
1200         instead of calls to named_section_flags.  Use switch_to_section.
1201         (output_indirect_string): Use switch_to_section and debug_str_section.
1202         (dwarf2out_finish): Use switch_to_section and the new section
1203         variables.
1204         * except.c (default_exception_section): Return the section instead
1205         of emitting assembly code.
1206         (output_function_exception_table): Use the global exception_section
1207         variable instead of the target hook.  Use switch_to_section.  Remove
1208         argument from call to current_function_section.
1209         * final.c (HAVE_READONLY_DATA_SECTION): Delete.
1210         (shorten_branches): Use pointer comparisons to detect whether the
1211         text section is the same as readonly_data_section.
1212         (profile_function): Use switch_to_section.  Remove argument from
1213         call to current_function_section.
1214         (final_scan_insn): Likewise.  Update use of last_text_section.
1215         * gengtype.c (open_base_files): Add an include of output.h.
1216         * output.h (text_section, data_section, readonly_data_section)
1217         (ctors_section, dtors_section, bss_section, init_section)
1218         (fini_section, sdata_section): Turn into section pointers.
1219         (in_text_section, in_unlikely_text_section, exports_section)
1220         (drectve_section, named_section, mergeable_string_section)
1221         (last_text_section_name): Delete.
1222         (default_exception_section, default_eh_frame_section): Return sections.
1223         (SECTION_DECLARED, SECTION_NAMED): New macros.
1224         (SECTION_MACH_DEP): Bump value.
1225         (section_common, named_section, unnamed_section): New structures.
1226         (unnamed_section_callback): New typedef.
1227         (section): New union.
1228         (sbss_section, exception_section, eh_frame_section): New variables.
1229         (in_section, last_text_section): Turn into section pointers.
1230         (get_unnamed_section, get_section, get_named_section): New functions.
1231         (mergeable_constant_section, function_section): Return a section.
1232         (unlikely_text_section): Likewise.
1233         (current_function_section): Likewise.  Remove the decl argument.
1234         (unlikely_text_section_p, switch_to_section): New functions.
1235         (output_section_asm_op): New function.
1236         (set_named_section_flags, named_section_flags, named_section_real)
1237         (named_section_first_declaration): Delete.
1238         (default_select_section, default_elf_select_section): Return a section.
1239         (default_elf_select_section_1, default_function_rodata_section)
1240         (default_no_function_rodata_section, default_select_rtx_section)
1241         (default_elf_select_rtx_section): Likewise.
1242         * rtl.h (in_data_section): Delete.
1243         * sdbout.c (sdbout_one_type): Use switch_to_section.
1244         * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
1245         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
1246         (TARGET_ASM_EH_FRAME_SECTION): Poison.
1247         * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
1248         (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
1249         (TARGET_ASM_OUT): Update after above changes.
1250         * target.h (init_sections): New hook.
1251         (exception_section, eh_frame_section): Delete.
1252         (select_section, select_rtx_section, function_rodata_section): Return
1253         a section rather than emitting assembly code.
1254         * varasm.c (text_section, data_section, readonly_data_section)
1255         (ctors_section, dtors_section, bss_section, init_section)
1256         (fini_section): Turn into section pointers.
1257         (sdata_section, sbss_section, exception_section): New variables.
1258         (eh_frame_section): New variable.
1259         (in_section): Make global and turn into a section pointer.
1260         (last_text_section): Turn into a section pointer.
1261         (unnamed_sections): New variable.
1262         (in_named_name, last_text_section_name): Delete.
1263         (EXTRA_SECTION_FUNCTIONS): Delete.
1264         (in_named_entry): Delete.
1265         (section_htab): New variable, replacing...
1266         (in_named_htab): ...this deleted variable.
1267         (section_entry_eq, section_entry_hash): New functions, based on...
1268         (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
1269         (get_unnamed_section, get_section): New functions.
1270         (unlikely_text_section): Return a section instead of emitting
1271         assembly code.
1272         (in_text_section, in_unlikely_text_section, in_data_section): Delete.
1273         (get_named_section_flags, named_section_first_declaration): Delete.
1274         (unlikely_text_section_p): New function.
1275         (named_section_real, named_section): Delete.
1276         (get_named_section): New function.
1277         (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
1278         (function_section): Return a section rather than emitting
1279         assembly code.
1280         (current_function_section): Likewise.  Remove argument.  Use
1281         last_text_section if nonnull, otherwise use function_section.
1282         (default_function_rodata_section): Return a section rather than
1283         emitting assembly code.  Use get_section.
1284         (default_no_function_rodata_section): Return a section rather than
1285         emitting assembly code.
1286         (variable_section): Use switch_to_section and get_named_section.
1287         (mergeable_string_section): Return a section rather than emitting
1288         assembly code.  Use get_section.  Make static.  Don't take special
1289         countermeasures for empty strings.
1290         (mergeable_constant_section): Return a section rather than emitting
1291         assembly code.  Use get_section.
1292         (default_named_section_asm_out_destructor): Use switch_to_section
1293         and get_section.
1294         (default_dtor_section_asm_out_destructor): Use switch_to_section.
1295         (default_named_section_asm_out_constructor): Use switch_to_section
1296         and get_section.
1297         (default_ctor_section_asm_out_constructor): Use switch_to_section.
1298         (assemble_start_function): Likewise.  Set last_text_section to
1299         NULL rather than no_section.  Change the type of save_section.
1300         (assemble_zeros, assemble_variable): Use the section flags to detect
1301         whether or not a section is text.
1302         (assemble_static_space): Use switch_to_section.
1303         (assemble_trampoline_template): Likewise.
1304         (output_constant_def_contents): Use switch_to_section and
1305         get_named_section.
1306         (output_constant_pool_1): Use switch_to_section.  Use the section
1307         flags to see whether sections contain mergeable data.
1308         (init_varasm_once): Initialize section_htab instead of in_named_htab.
1309         Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
1310         (default_elf_asm_named_section): Use SECTION_DECLARED to detect
1311         whether a section has already been declared.
1312         (default_select_section, default_elf_select_section): Return a
1313         section rather than emitting assembly code.
1314         (default_elf_select_section_1): Likewise.  Use bss_section for
1315         SECCAT_BSS if nonnull.  Use get_named_section.
1316         (default_select_rtx_section): Return a section rather than
1317         emitting assembly code.
1318         (default_elf_select_rtx_section): Likewise.  Use get_named_section.
1319         (file_end_indicate_exec_stack): Use switch_to_section and get_section.
1320         (output_section_asm_op, switch_to_section): New functions.
1321         * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
1322         get_named_section.
1323
1324         * doc/tm.texi: Expand the introduction to the sections documentation.
1325         (TRAMPOLINE_SECTION): Document new interface.
1326         (SDATA_SECTION_ASM_OP): Document new macro.
1327         (READONLY_DATA_SECTION): Delete.
1328         (SDATA_SECTION_ASM_OP): Document new macro.
1329         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1330         (TARGET_ASM_INIT_SECTIONS): Document new hook.
1331         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
1332         (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
1333         (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
1334
1335 2005-12-07  Alan Modra  <amodra@bigpond.net.au>
1336
1337         * gcc.c (init_gcc_specs): Match braces inside conditionally
1338         compiled strings.
1339
1340 2005-12-06  Geoffrey Keating  <geoffk@apple.com>
1341
1342         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
1343
1344 2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
1345
1346         PR C++/24138
1347         * tree.c (integer_all_onesp): Always return true if all bits on.
1348
1349         * testsuite/g++.dg/init/array0.C: New.
1350
1351 2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
1352
1353         * doc/md.texi: Adapt to implementation.
1354
1355 2005-12-06  Andreas Schwab  <schwab@suse.de>
1356
1357         * opts.c (decode_options): Fix typo in message.
1358
1359 2005-12-06  Alan Modra  <amodra@bigpond.net.au>
1360
1361         PR other/13873
1362         * longlong.h: Merge PPC tests from upstream.
1363
1364 2005-12-06  Richard Guenther  <rguenther@suse.de>
1365
1366         * fold-const.c (fold_convert): Do not build and fold
1367         CONVERT_EXPR, but always use NOP_EXPR.
1368
1369 2005-12-06  Jan Beulich  <jbeulich@novell.com>
1370
1371         * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
1372         __builtin_ia32_paddq and __builtin_ia32_subq.
1373         (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
1374         __builtin_ia32_pshufw.
1375         * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
1376
1377 2005-12-05  James E Wilson  <wilson@specifix.com>
1378
1379         PR target/24934
1380         * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
1381         is set.
1382
1383 2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
1384         
1385         * print-tree.c (print_node): Ditto.
1386         * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
1387         * tree-dump.c (dequeue_and_dump): Check for decl_common structure
1388         before accessing DECL_ARTIFICIAL. 
1389         Handle new tag tree codes.
1390         * tree-flow-inline.h (clear_call_clobbered): Update for tag
1391         changes.
1392         (unmodifiable_var_p): Ditto.
1393         * tree-flow.h (mem_tag_kind): Remove.
1394         (struct var_ann_d): Remove mem_tag_kind member.
1395         * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
1396         * tree-pretty-print.c (dump_generic_node): Handle memory tags.
1397         * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
1398         (group_aliases): Ditto.
1399         (setup_pointers_and_addressables): Ditto.
1400         (is_escape_site): Ditto.                                          
1401         (may_alias_p): Ditto.
1402         (create_tag_raw): New function.
1403         (create_memory_tag): Use it.
1404         (dump_alias_info): Update for tags.
1405         (may_be_aliased): Ditto.
1406         (add_type_alias): Ditto.
1407         (new_type_alias): Ditto.
1408         (create_sft): Ditto.
1409         (create_structure_vars): Ditto.
1410         * tree-ssa-ccp.c (get_default_value): Ditto.
1411         * tree-ssa-operands.c (get_expr_operands): Ditto.
1412         (add_stmt_operand): Ditto.
1413         (add_call_clobber_ops): Remove duplicated condition.
1414         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
1415         tags.
1416         * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
1417         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
1418         * tree.c (init_ttree): Update structures for new tree codes.
1419         (tree_code_size): Update sizes for new tree codes.
1420         (make_node_stat): Don't try to set common things on minimal
1421         structures.
1422         (tree_node_structure): Update for tags.
1423         (is_global_var): Ditto.
1424         * tree.def: Add new tree codes.
1425         * tree.h (MTAG_P): New macro.
1426         (TREE_MEMORY_TAG_CHECK): Ditto.
1427         (SSA_VAR_P): Update for tags.
1428         (struct tree_memory_tag): New structure.
1429         (MTAG_GLOBAL): New macro.
1430         (union tree_node): Add memory tag member.
1431         * treestruct.def (TS_MEMORY_TAG): New.
1432         
1433 2005-12-05  Dale Johannesen  <dalej@apple.com>
1434
1435         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
1436         what was approved (PR 24323).
1437
1438 2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1439
1440         * doc/c-tree.texi (Function Bodies): Remove description of
1441         RETURN_INIT.
1442
1443 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
1444
1445         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
1446         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
1447         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
1448         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
1449         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
1450         __divxc3): Document.
1451
1452 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
1453
1454         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
1455         previous behaviour.
1456         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
1457         hook_bool_void_false.
1458         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
1459         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
1460
1461         * config/darwin.c (machopic_select_section): It's not defined
1462         as weak if it's only marked as weak_import.
1463         
1464         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
1465         Prototype.
1466
1467         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
1468         A hidden weak object does bind locally.  Strong linkonce data
1469         counts like any other strong symbol for binding.
1470         (weak_finish_1): Don't specially handle weakrefs, they no longer
1471         arrive here.
1472         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
1473         * c-common.c (handle_alias_attribute): Allow static aliases
1474         of variables.
1475         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
1476         * gthr-dce.h: Make weakrefs static.
1477         * gthr-tpf.h: Likewise.
1478         * gthr-solaris.h: Likewise.
1479         * gthr-posix.h: Likewise.
1480         * gthr-posix95.h: Likewise.
1481         * config/darwin.c (darwin_encode_section_info): static weakref
1482         variables are not necessarily defined in this translation unit.
1483         * doc/extend.texi (Function Attributes): Mention that an alias
1484         attribute creates a definition for the thing it's attached to.
1485         Change the documentation for weakref to say that the thing
1486         it's attached to must be static.
1487
1488         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
1489         we don't go into an infinite loop.
1490
1491 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
1492
1493         * config/rs6000/predicates.md (logical_const_operand): Split
1494         out of logical_operand.
1495         (logical_operand): Use it.
1496         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
1497         logical_const_operand.
1498
1499 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1500
1501         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
1502         and IX86_BUILTIN_CMPNESS.
1503         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
1504         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
1505         * config/i386/i386.md (movti_internal): Correct type attribute.
1506         Simplify mode attribute.
1507         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
1508         Correct type attribute.
1509         (absxf2): Correct operator.
1510         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
1511         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
1512         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
1513         mode attribute.
1514         (sse2_vmsqrtv2df2): Correct mode attribute.
1515
1516 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1517
1518         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
1519         16 bits. Provide insn pattern for this case.
1520
1521 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1522
1523         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
1524         result.
1525         (__popcountDI2): Likewise.
1526
1527 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1528
1529         PR target/25166
1530         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
1531         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
1532         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
1533         functions.
1534
1535 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1536
1537         * c-typeck.c (null_pointer_constant_p): New function.
1538         (build_conditional_expr, build_c_cast, convert_for_assignment,
1539         build_binary_op): Use it.
1540
1541 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1542
1543         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
1544         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
1545         CONVERT_EXPR.
1546         (check_function_arguments_recurse): Allow both NOP_EXPR and
1547         CONVERT_EXPR but check conversions preserve precision.
1548         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
1549         but check conversions preserve precision.
1550         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
1551         default case.
1552
1553 2005-12-04  Roger Sayle  <roger@eyesopen.com>
1554
1555         PR c/7776
1556         * common.opt (Wstring-literal-comparison): New command line option.
1557         * c-opts.c (c_common_handle_option): Set it with -Wall.
1558         * c-typeck.c (parser_build_binary_op): Issue warning if either
1559         operand of a comparison operator is a string literal, except for
1560         testing equality or inequality against NULL.
1561
1562         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
1563
1564 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1565
1566         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
1567         of building a NOP_EXPR.
1568         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
1569         NOP_EXPR.
1570         * c-convert.c (convert): Use fold_convert instead of building
1571         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
1572         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
1573         #if 0 code.
1574         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
1575         NOP_EXPR the same as CONVERT_EXPR.
1576         * c-typeck.c (build_function_call): Use fold_convert instead of
1577         building a NOP_EXPR directly.
1578         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
1579
1580 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1581
1582         PR rtl-optimization/25197
1583         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
1584         have a reg.
1585
1586 2005-12-02  Stuart Hastings  <stuart@apple.com>
1587
1588         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
1589         warning.
1590
1591 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1592
1593         * c-typeck.c (default_function_array_conversion,
1594         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
1595         (build_conditional_expr): Apply integer_zerop to orig_op1 and
1596         orig_op2.  Don't check them for NOP_EXPR.
1597         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
1598         around integer zero.
1599
1600 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1601
1602         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
1603         toc_save_offset, toc_size, lr_size.
1604         (rs6000_stack_info): Use memset rather than bss struct copy to init.
1605         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
1606         Adjust for removal of unused rs6000_stack_t fields.
1607         (debug_stack_info): Adjust.
1608         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
1609         first, and don't bother checking for set/inc of lr on sibcalls.
1610         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
1611
1612 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
1613
1614         PR target/25199
1615         * config/i386/i386.md (movqi_1): Only force imovx for alternative
1616         5 if operand 1 is not aligned.  Undo previous constraint change.
1617         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
1618
1619 2005-12-02  Richard Guenther  <rguenther@suse.de>
1620
1621         * tree.h (build): Remove prototype.
1622         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
1623         * tree.c (build): Remove.
1624         (build0_stat): Update comment.
1625
1626 2005-12-02  Richard Guenther  <rguenther@suse.de>
1627
1628         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
1629         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
1630         Likewise.
1631         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
1632         maybe_fold_offset_to_component_ref): Likewise.
1633         * tree-ssa-dom.c (thread_across_edge,
1634         simplify_rhs_and_lookup_avail_expr,
1635         find_equivalent_equality_comparison, record_equivalences_from_stmt):
1636         Likewise.
1637         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
1638         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
1639         lower_try_finally_switch): Likewise.
1640         * tree-if-conv.c (add_to_dst_predicate_list,
1641         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
1642         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
1643         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
1644         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
1645         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
1646         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
1647         gimplify_init_ctor_eval, gimplify_init_constructor,
1648         gimplify_variable_sized_compare, gimplify_boolean_expr,
1649         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
1650         gimplify_expr, gimplify_body, gimplify_function_tree,
1651         force_gimple_operand): Likewise.
1652         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
1653         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
1654         mx_register_decls): Likewise.
1655         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
1656         get_frame_field, finalize_nesting_tree_1): Likewise.
1657         * tree-inline.c (setup_one_parameter): Likewise.
1658         * tree-vect-transform.c (vectorizable_condition): Likewise.
1659         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
1660         Likewise.
1661         * tree-profile.c (tree_gen_edge_profiler): Likewise.
1662         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
1663         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
1664         * tree-chrec.h (build_polynomial_chrec): Likewise.
1665
1666 2005-12-02  Richard Guenther  <rguenther@suse.de>
1667
1668         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
1669         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
1670         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
1671         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
1672         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1673         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1674         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
1675         Likewise.
1676         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
1677         sh_adjust_unroll_max): Likewise.
1678         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1679         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1680         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
1681         Likewise.
1682         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1683         Likewise.
1684         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
1685         Likewise.
1686
1687 2005-12-02  Richard Guenther  <rguenther@suse.de>
1688
1689         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
1690         simplify_cond_using_ranges): Use buildN instead of build.
1691         * tree-tailcall.c (adjust_accumulator_values,
1692         adjust_return_value): Likewise.
1693         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
1694         generate_element_copy, generate_element_zero,
1695         generate_one_element_init): Likewise.
1696         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
1697         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
1698         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
1699         perfect_nestify): Likewise.
1700
1701 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1702
1703         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
1704
1705 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1706
1707         * ggc.h (GGC_RESIZEVEC): New.
1708
1709 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1710
1711         * gcc.c (execute): Improve readability.
1712
1713 2005-12-02  Richard Guenther  <rguenther@suse.de>
1714
1715         * tree-cfg.c (mark_used_vars): New function.
1716         (dump_function_to_file): Dump only used VAR_DECLs.
1717
1718 2005-12-02  Richard Guenther  <rguenther@suse.de>
1719
1720         * convert.c (convert_to_integer): Fix compare for nonpositive
1721         constant to use tree_int_cst_sgn <= 0.
1722
1723 2005-12-02  Richard Guenther  <rguenther@suse.de>
1724
1725         * convert.c (convert_to_integer): Use fold_convert instead
1726         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
1727         instead of comparing against 0.  Use build_int_cst instead
1728         of converting integer_zero_node.
1729
1730 2005-12-02  Richard Guenther  <rguenther@suse.de>
1731
1732         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
1733         and RROTATE_EXPR.
1734  
1735 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1736
1737         PR target/21017
1738         * combine.c (simplify_logical <IOR>): Simplify more patterns to
1739         rotates.
1740
1741 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1742
1743         PR middle-end/25176
1744         * function.c (expand_function_end): Emit blockage for unwinder
1745         after return label.
1746
1747 2005-12-01  Roger Sayle  <roger@eyesopen.com>
1748
1749         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
1750         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
1751         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
1752         integer constant comparisons.
1753
1754 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
1755             Janis Johnson  <janis187@us.ibm.com>
1756             David Edelsohn  <dje@watson.ibm.com>
1757             Ben Elliston  <bje@au.ibm.com>
1758
1759         * dfp.h, dfp.c: New files.
1760         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
1761         (DECNUM_H): Likewise.
1762         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
1763         (INCLUDES): Append $(DECNUMINC).
1764         (OBJS-common): Add dfp.o.
1765         (dfp.o): New rule.
1766         * real.h (EXP_BITS): Pinch one bit to ..
1767         (struct real_value): Add decimal field.
1768         (real_format): Change table size, update documentation.
1769         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
1770         (real_from_string3): Declare.
1771         (decimal_single_format): Declare.
1772         (decimal_double_format): Declare.
1773         (decimal_quad_format): Declare.
1774         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
1775         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
1776         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
1777         * real.c: Include dfp.h.
1778         (normalize): Early return for decimal floats.
1779         (do_add): Zero decimal field.
1780         (do_compare): Call do_decimal_compare for decimal floats.
1781         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
1782         (real_arithmetic): Call decimal_real_arithmetic for decimal
1783         floating point operands.
1784         (real_identical): If a and b are of differing radix, return false.
1785         (real_to_integer): Call decimal_real_to_integer if the value is a
1786         decimal float.
1787         (real_to_integer2): Likewise, call decimal_real_to_integer2.
1788         (real_to_decimal): Likewise, call decimal_real_to_decimal.
1789         (real_to_hexadecimal): Place "N/A" in the return string for
1790         decimal float.
1791         (real_from_string3): New variant, given a mode.
1792         (real_maxval): Use decimal_real_maxval for decimal floats.
1793         (round_for_format): Use decimal_round_for_format for decimals.
1794         (real_convert): Use decimal_real_convert where appropriate.
1795         (significand_size): Handle base 10.
1796         (encode_decimal_single, decode_decimal_single,
1797         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
1798         decode_decimal_quad): New functions.
1799         (decimal_single_format): New.
1800         (decimal_double_format): New.
1801         (decimal_quad_format): New.
1802         * machmode.def: Add SD, DD and TD decimal floating point modes.
1803         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
1804         Include MODE_DECIMAL_FLOAT.
1805         (DECIMAL_FLOAT_MODE_P): New.
1806         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
1807         * genmodes.c (struct mode_data): Add counter field.
1808         (struct mode_data): Update comment for format.
1809         (blank_mode): Initialise counter field.
1810         (new_mode): Increment counter field for each mode defined.
1811         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
1812         using a format.
1813         (make_complex_modes): Handle modes containing `D'.
1814         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
1815         (make_decimal_float_mode): New.
1816         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
1817         (cmp_modes): Compare counter field if other characteristics
1818         similar.
1819         (emit_real_format_for_mode): Support formats for decimal floats.
1820         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
1821         Document MODE_DECIMAL_FLOAT.
1822
1823 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1824
1825         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
1826         Delete dead code.
1827
1828 2005-12-01  Richard Henderson  <rth@redhat.com>
1829
1830         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
1831
1832 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1833
1834         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
1835
1836         * config/pa/pa.c (pa_init_builtins): If we detect
1837         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
1838         putc_unlocked.
1839
1840 2005-12-01  Richard Guenther  <rguenther@suse.de>
1841
1842         * fold-const.c (fold_binary): Use fold_build2, not
1843         fold (build (...)).
1844
1845 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
1846
1847         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
1848
1849         * vec.h (VEC_block_remove): New.
1850
1851 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1852
1853         PR c/13384
1854         * c-common.c (lvalue_error): Fix wording.
1855
1856 2005-12-01  Richard Guenther  <rguenther@suse.de>
1857
1858         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
1859         thinko in last patch.
1860
1861 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
1862
1863         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
1864         than -flat_namespace.
1865
1866 2005-12-01  Ben Elliston  <bje@au.ibm.com>
1867
1868         * mklibgcc.in: Parameterise the script to build soft float
1869         functions by iterating over each type, rather than cloning the
1870         code for each type.
1871
1872 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1873
1874         PR middle-end/25158
1875         * builtins.c (fold_builtin_fputs): Defer check for missing
1876         replacement functions.
1877
1878 2005-11-30  Kean Johnston  <jkj@sco.com>
1879
1880         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
1881         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
1882
1883 2005-11-30  Richard Guenther  <rguenther@suse.de>
1884
1885         PR tree-optimization/22501
1886         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
1887         function split out from ...
1888         (forward_propagate_addr_expr): ... here.  Use it to propagate
1889         ADDR_EXPRs to all uses.
1890
1891 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1892
1893         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
1894         * builtins.c (expand_builtin_mathfn): Use them.
1895         (expand_builtin_mathfn_2): Likewise.
1896         (expand_builtin_mathfn_3): Likewise.
1897         (expand_builtin_int_roundingfn): Likewise.
1898         (expand_builtin): Likewise.
1899         (integer_valued_real_p): Likewise.
1900         (fold_builtin_int_roundingfn): Likewise.
1901         (fold_builtin_bitop): Likewise.
1902         (fold_builtin_logarithm): Likewise.
1903         (fold_builtin_1): Likewise.
1904         * convert.c (convert_to_integer): Likewise.
1905         * fold-const.c (negate_mathfn_p): Likewise.
1906         (tree_expr_nonnegative_p): Likewise.
1907
1908 2005-11-30  Dale Johannesen  <dalej@apple.com>
1909             Andrew Pinski  <pinskia@physics.uc.edu>
1910
1911         * combine.c (find_split_point):  Sign extend bitmask
1912         when changing bitfield assignment to IOR of AND.
1913
1914 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1915
1916         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
1917         clobber to scratch reg.
1918         (*decrement_and_branch_until_zero_no_clobber): Remove.
1919         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
1920         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
1921         * config/ms1/ms1.opt (mmul): Remove.
1922         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
1923         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
1924
1925 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1926             Bernd Schmidt  <bernd.schmidt@analog.com>
1927
1928         * pa/predicates.md (symbolic_operand): Add comment.
1929         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
1930         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
1931         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
1932         (pa_secondary_reload_class): Delete.
1933         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
1934         and pa_secondary_reload_class.  Reorder some checks.  Update inline
1935         copy of symbolic operand.
1936         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
1937
1938 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1939
1940         * loop-doloop.c (add_test): Only add jump notes if we did emit a
1941         jump.
1942
1943 2005-11-30  Jeff Law  <law@redhat.com>
1944
1945         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
1946         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
1947
1948 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
1949
1950         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
1951         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
1952         (ia64_expand_move): Adjust caller.
1953
1954         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
1955         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
1956         negate VAL.
1957
1958 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
1959
1960         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
1961         Always produce an output if we can remove NEGs or canonicalize
1962         (minus (minus ...)) expressions.  Provide a fast path for the
1963         two-operand case.
1964         (simplify_gen_binary): Do not call simplify_plus_minus.
1965         (simplify_binary_operation_1): Reassociate at the end of the
1966         function.
1967
1968 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
1969
1970         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
1971         moves and unpack to speed up.
1972
1973 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
1974
1975         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
1976         argument, they are always sparc_compare_op0 and sparc_compare_op1.
1977         (gen_v9_scc): Update callers.
1978         * config/sparc/sparc.md: Likewise.
1979         * config/sparc/sparc-protos.h: Update extern declaration.
1980
1981         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
1982
1983 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1984
1985         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
1986         the if.
1987
1988 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1989
1990         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
1991         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
1992         (negate_expr): Here.
1993
1994 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1995
1996         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
1997         Fix typo in comment.
1998
1999 2005-11-29  Ben Elliston  <bje@au.ibm.com>
2000
2001         * Makefile.in (clean-target): Depend on clean-target-libgcc.
2002         (clean-target-libgcc): Import rule from the top-level Makefile.in.
2003
2004 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2005
2006         PR middle-end/20109
2007         PR middle-end/25120
2008         * builtins.c (init_target_chars): New.
2009         (expand_builtin_printf, expand_builtin_fprintf,
2010         expand_builtin_sprintf, fold_builtin_sprintf,
2011         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2012         fold_builtin_snprintf_chk, fold_builtin_printf,
2013         fold_builtin_fprintf): Check for matching format strings using
2014         the target charset.
2015
2016 2005-11-29  Paul Brook  <paul@codesourcery.com>
2017
2018         * config.gcc: Do not use fixproto on m68k-elf.
2019
2020 2005-11-28  Roger Sayle  <roger@eyesopen.com>
2021
2022         * expmed.c (div_cost): Replace with...
2023         (sdiv_cost, udiv_cost): New.
2024         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
2025         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
2026         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
2027         (expand_divmod): Replace use of div_cost with either sdiv_cost
2028         or udiv_cost depending upon the signedness of the operation.
2029
2030 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
2031
2032         PR libfortran/24991
2033         * config/darwin.c (machopic_indirection_name,
2034         machopic_output_indirection): Follow transparent alias chain.
2035
2036 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
2037
2038         * varasm.c (ultimate_transparent_alias_target): Add comment.
2039
2040 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
2041
2042         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
2043         SET_SRC instead of XEXP where appropriate.
2044
2045 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
2046
2047         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
2048         __builtin_expect.
2049
2050 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
2051
2052         * config/fp-bit.h (LSHIFT): Take shift count parameter.
2053         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
2054         bit at a time.
2055
2056 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
2057
2058         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
2059         secondary_input_reload_class, made static.  Adapt to new
2060         infrastructure.
2061         (secondary_output_reload_class): Delete.
2062         (TARGET_SECONDARY_RELOAD): New macro.
2063         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
2064         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
2065
2066 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
2067
2068         PR c++/21166
2069         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
2070         when its natural alignment is > BITS_PER_UNIT.
2071         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
2072         * c-common.c (handle_packed_attribute): Ignore packing on a field
2073         whose type is naturally char aligned.
2074
2075 2005-11-28  Richard Guenther  <rguenther@suse.de>
2076
2077         * c-common.c (strict_aliasing_warning): Handle all
2078         component-ref like accesses.
2079
2080 2005-11-28  Roger Sayle  <roger@eyesopen.com>
2081             Uros Bizjak  <uros@kss-loka.si>
2082
2083         PR middle-end/20219
2084         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
2085         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
2086         when flag_unsafe_math_optimizations is set and
2087         we don't care about NaNs or Infinities.
2088
2089         Move x/expN(y) and x/pow(y,z) transformation into common
2090         flag_unsafe_math_optimizations section.
2091
2092 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
2093
2094         * gcc.c (main): Change type of argv to "char **".
2095
2096 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
2097
2098         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
2099         small data sections.
2100         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
2101         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
2102         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
2103         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
2104         output locals to sbss if !rs6000_elf_in_small_data_p.
2105         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
2106
2107 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
2108
2109         PR target/24997
2110         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
2111         generated by reload.
2112         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
2113         indexed_or_indirect_address.
2114         (indexed_or_indirect_address): Don't test for base reg.  Call
2115         address_operand last.  Make it a special predicate.
2116
2117 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
2118
2119         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
2120
2121 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
2122
2123         PR middle-end/24575
2124         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
2125         is undefined.
2126         (negate_expr): Likewise.
2127
2128 2005-11-27  Andreas Schwab  <schwab@suse.de>
2129
2130         * config/m68k/m68k.c: Reindent and fix whitespace, remove
2131         redundant parens.
2132
2133 2005-11-27  Steven Bosscher  <stevenb@suse.de>
2134
2135         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
2136         has EH predecessor edges.
2137
2138 2005-11-26  Eric Christopher  <echristo@apple.com>
2139
2140         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
2141         register stalls by zero extending to the full register.
2142
2143 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
2144
2145         * config/floatunsisf.c, config/floatunsidf.c,
2146         config/floatunsixf.c, config/floatunsitf.c: New files.
2147         * config/ia64/t-hpux: Add floatunsitf.c.
2148         * config/ia64/ia64.c (ia64_init_libfuncs): Use
2149         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
2150
2151 2005-11-26  Richard Henderson  <rth@redhat.com>
2152
2153         * c-lex.c (pragma_lex): Rename from c_lex.
2154         * c-pch.c: Update for pragma_lex rename.
2155         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
2156         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
2157         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
2158         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
2159         * doc/tm.texi: Likewise.
2160
2161 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
2162
2163         PR middle-end/23669
2164         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
2165         when overflow is undefined.
2166
2167 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
2168
2169         * doc/md.texi (Insn Canonicalizations): Refer to the
2170         function commutative_operand_precedence for further rules.
2171
2172 2005-11-25  Roger Sayle  <roger@eyesopen.com>
2173
2174         PR middle-end/21309
2175         * expmed.c (choose_mult_variant): Return immediately when mult_cost
2176         is less than zero.  Limit mult_cost to a reasonable upper bound for
2177         the synthetic multiplication sequence.
2178
2179 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2180
2181         PR middle-end/25022
2182         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2183         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
2184         Lookup the explicit replacement functions for any unlocked
2185         stdio builtin transformations.
2186
2187 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
2188
2189         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
2190         earlyclobber.
2191         * targhooks.c (default_secondary_reload): Don't require operand 2
2192         for an input reload to be earlyclobber.
2193
2194 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2195
2196         * fold-const.c (negate_mathfn_p): Fix comment and add support
2197         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
2198         BUILT_IN_ATANH.
2199
2200 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
2201
2202         PR middle-end/24998
2203         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
2204         _Q_ulltoq for unsigned conversions from SImode and DImode to
2205         TFmode.
2206
2207 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
2208
2209         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
2210         (__floatundidf, __floatundisf): Likewise.
2211
2212 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
2213
2214         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
2215         (rs6000_override_options): Remove initialization of
2216         rs6000_sr_alias_set.
2217         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
2218         (rs6000_emit_stack_tie): Same.
2219         (emit_frame_save): Same.
2220         (gen_frame_mem_offset): Same.
2221         (rs6000_emit_prologue): Same.
2222         (rs6000_emit_epilogue): Same.
2223
2224 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2225
2226         PR middle-end/24989
2227         * fold-const.c (fold_build): Convert bool_var != 1 and
2228         bool_var == 0 to !bool_var.
2229
2230 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2231
2232         PR middle-end/24990
2233         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
2234         for C being INTEGER_CST.  Likewise for !=.
2235
2236 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
2237
2238         PR middle-end/24998
2239         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
2240         unsigned conversions from SImode to TFmode.
2241
2242 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
2243
2244         * expr.c (expand_expr_real_1): Fix error in last change.
2245
2246 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2247
2248         * caller-save.c: (this_insn_sets): Move into:
2249         (save_call_clobbered_regs).
2250         (mark_set_regs): Get this_insn_sets from data.
2251
2252         (save_call_clobbered_regs): Take sets of the return value by
2253         sibcalls into account.
2254
2255 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2256         PR target/21623:
2257
2258         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
2259         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
2260         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
2261         (memory_move_secondary_cost, init_reg_autoinc): Remove
2262         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
2263         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
2264         secondary_reload_class call.
2265         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
2266         callers.
2267         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
2268         (push_secondary_reload): Use secondary_reload target hook.
2269         (secondary_reload_class, scratch_reload_class): New functions.
2270         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
2271         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
2272         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
2273         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
2274         (secondary_reload_class, scratch_reload_class): Declare.
2275         * reload1.c: Include target.h.
2276         (reload_adjust_reg_for_temp): New function.
2277         (reload_adjust_reg_for_icode): Likewise.
2278         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
2279         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
2280         call.
2281         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
2282         for inheritance.  Support case when both secondary & tertiary reloads
2283         are for intermediate registers.
2284         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
2285         with secondary_reload_class call.  Support case when both secondary
2286         & tertiary reloads are for intermediate registers.
2287         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
2288         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
2289         * target.h (secondary_reload_info): New struct / typedef.
2290         (struct gcc_target): New member secondary_reload.
2291         * targhooks.c Include reload.h, optabs.h and recog.h.
2292         (default_secondary_reload): New function.
2293         * targhooks.h (default_secondary_reload): Declare.
2294         * doc/tm.texi: Document secondary_reload target hook.  Update
2295         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
2296         * doc/md.texi: Likewise.
2297
2298         * sh-protos.h (sh_secondary_reload): Declare.
2299         * sh.c (TARGET_SECONDARY_RELOAD): Override.
2300         (sh_secondary_reload): New function.
2301         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
2302         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
2303         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
2304         (HAVE_SECONDARY_RELOADS): Define.
2305         * sh.md (reload_indf): Rename to:
2306         (reload_indf__frn).
2307         (reload_outdf): Rename to:
2308         (reload_outdf__RnFRm).
2309         (reload_insf): Rename to:
2310         (reload_insf__frn).
2311         (reload_insi): Rename to:
2312         (reload_insi__i_fpul).
2313
2314 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
2315
2316         * configure.ac: Require at least texinfo 4.4.
2317         * configure: Regenerate.
2318
2319         * doc/install.texi (Tools/packages necessary for building GCC):
2320         Update required version of texinfo to at least 4.4.
2321         (Installing GCC: Building): Update required version of texinfo
2322         to at least 4.4.
2323         (Installing GCC: Final installation): Update required version
2324         of texi2dvi to at least 4.4.
2325         (Host/target specific installation notes for GCC): Update required
2326         version of texinfo to at least 4.4.
2327
2328 2005-11-24  Richard Guenther  <rguenther@suse.de>
2329         Dirk Mueller <dmueller@suse.de>
2330
2331         PR c++/14024
2332         * c-common.h (strict_aliasing_warning): Declare.
2333         * c-common.c (strict_aliasing_warning): New function,
2334         split out from ...
2335         * c-typeck.c (build_c_cast): ... here.
2336
2337 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2338
2339         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2340         to order operands.
2341         (swap_commutative_operands_with_target): New.
2342
2343 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2344
2345         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
2346         also when doing PRE, rather than only for global CPROP.
2347
2348 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2349
2350         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
2351         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
2352         formatting.
2353         (expand_twoval_unop): Likewise.
2354         (widen_clz): Likewise.
2355         (expand_parity): Likewise.
2356         (expand_unop): Likewise.
2357         (emit_cmp_and_jmp_insn_1): Likewise.
2358         (prepare_float_lib_cmp): Likewise.
2359
2360 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2361
2362         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
2363         Remove unused `class' variable.
2364
2365 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2366
2367         PR c++/21667
2368         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
2369         C/C++ diagnostic function warn_array_subscript_with_type_char.
2370         * c-common.h (warn_array_subscript_with_type_char): Declare.
2371         * c-common.c (warn_array_subscript_with_type_char): Define.
2372
2373 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2374
2375         PR c/21668
2376         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
2377         compiling at the intersection of C and C++.
2378
2379 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
2380
2381         * doc/invoke.texi: For man pages, include gcc-vers.texi.
2382         List @file in the option summary.  Include the libiberty
2383         documentation for @file.
2384         * gcc.c (main): Call expandargv.
2385         * Makefile.in (gcc-vers.texi): Define srcdir.
2386
2387 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
2388
2389         * passes.c (init_optimization_passes): Document
2390         sequencing of passes.
2391
2392 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
2393
2394         * config/m68k/predicates.md (pcrel_address, extend_operator,
2395         post_inc_operand, pre_dec_operand): Remove redundant
2396         conditionals.
2397         (const_uint32_operand, const_sint32_operand): Use gcc_assert
2398         instead of abort.
2399         (valid_dbcc_comparison_p): Rewrite in the lisp style.
2400
2401 2005-11-23  Ben Elliston  <bje@au.ibm.com>
2402
2403         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
2404
2405 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
2406
2407         Preparatory work for PR target/21623:
2408         * alpha.c (secondary_reload_class): Rename to:
2409         (alpha_secondary_reload_class).
2410         * alpha.h, alpha-protos.h: Likewise.
2411         * mn10300.c (secondary_reload_class): Rename to:
2412         (mn10300_secondary_reload_class).
2413         * mn10300.h, mn10300-protos.h: Likewise.
2414         * pa.c (secondary_reload_class): Rename to:
2415         (pa_secondary_reload_class).
2416         * pa.h, pa-protos.h: Likewise.
2417         * rs6000.c (secondary_reload_class): Rename to:
2418         rs6000_secondary_reload_class.
2419         * rs6000.h, rs6000-protos.h: Likewise.
2420
2421 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
2422
2423         PR middle-end/22561
2424         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
2425
2426 2005-11-22  Ian Lance Taylor  <ian@airs.com>
2427
2428         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
2429         a mode_class.
2430         (prepare_cmp_insn): Likewise.
2431
2432 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
2433
2434         PR target/23435
2435         * m68k.md (zero_extendsidi2): Force operands[1] to a register
2436         if both operands[0] and operands[1] are memory.
2437
2438 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2439
2440         PR middle-end/23606
2441         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
2442         COMPARISON_CLASS_P and an integral types create create a new
2443         expression with the new type and fold that.
2444
2445 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2446
2447         PR target/24988
2448         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
2449         to SUBTARGET_OS_CPP_BUILTINS.
2450
2451 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
2452
2453         * arm.c (emit_set_insn): New function.
2454         (arm_split_constant): Call it.
2455         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
2456         (arm_legitimize_address): Likewise.  Use plus_constant.
2457         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
2458         (thumb_expand_prologue): Likewise.
2459         (arm_gen_load_multiple): Use VOIDmode in SET.
2460         (arm_gen_store_multiple): Likewise.
2461         (vfp_emit_fstmx): Likewise.  Use plus_constant.
2462         (emit_multi_reg_push): Likewise.
2463         (emit_sfm): Use plus_constant.
2464
2465 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
2466
2467         PR target/24954
2468         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
2469         typo last change.
2470
2471 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2472
2473         PR middle-end/24950
2474         * expmed.c (store_bit_field): Don't attempt to insv a field
2475         larger than the reg.
2476
2477 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2478
2479         PR target/24954
2480         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
2481         explicit sign extension, not a (char) cast.
2482
2483 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2484
2485         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
2486         GET_MODE_CLASS (x) == MODE_FLOAT.
2487         * config/i386/i386.c: Likewise.
2488         * config/rs6000/xcoff.h: Likewise.
2489         * config/rs6000/linux64.h: Likewise.
2490         * config/rs6000/rs6000.c: Likewise.
2491         * config/rs6000/rs6000.h: Likewise.
2492         * config/rs6000/predicates.md: Likewise.
2493         * config/rs6000/sysv4.h: Likewise.
2494
2495 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2496
2497         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
2498         flag_pic is set.
2499
2500         * config/alpha/freebsd.h, config/alpha/linux.h,
2501         config/arm/linux-elf.h, config/bfin/bfin.h,
2502         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
2503         config/i386/beos-elf.h, config/i386/gnu.h,
2504         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
2505         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
2506         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
2507         config/rs6000/linux64.h, config/rs6000/sysv4.h,
2508         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
2509         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
2510         config/sparc/linux.h, config/sparc/linux64.h,
2511         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
2512
2513         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
2514         are both defined when either flag -fpic or -fPIC are used.
2515
2516 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2517
2518         * config/fp-bit.c (clzusi): New function.
2519         (si_to_float, usi_to_float): Use it to compute proper shift.
2520         (usi_to_float): Preserve guard bits when shifting right.
2521         * libgcc-std.ver (GCC_4.2.0): New version.
2522         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
2523         __floatundisf): New functions.
2524         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
2525         __floatundisf): Declare.
2526         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
2527         _floatundixf, and _floatunditf.
2528         * optabs.c (expand_float): If target does not define a pattern for
2529         signed or unsigned conversion, use an unsigned libcall instead of
2530         a signed one.
2531         (init_optabs): Initialize ufloat_optab.
2532
2533 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2534
2535         * config/rs6000/rs6000.opt (mmulhw): New option.
2536         * doc/invoke.texi (-mmulhw): Document.
2537         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
2538         for 405 and 440.
2539         * config/rs6000/rs6000.md: Add half-word multiply and
2540         multiply-accumulate instructions for 405 and 440.
2541
2542 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
2543
2544         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
2545         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
2546         default now includes a linker group which makes the RTEMS one nest.
2547
2548 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2549
2550         * cse.c (fold_rtx): Typo fix.
2551         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
2552
2553 2005-11-21  Richard Henderson  <rth@redhat.com>
2554
2555         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
2556         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
2557
2558         * c-tree.h (lookup_name): Move declaration ...
2559         * c-common.h (lookup_name): ... here.
2560         * config/darwin-c.c: Include c-common.h.
2561         * config/t-darwin: Update dependencies.
2562
2563 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2564
2565         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
2566         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
2567         * genopinit.c (gen_insn): Likewise.
2568         * reload.c (find_equiv_reg): Likewise.
2569         * loop.c (load_mems): Likewise.
2570         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
2571         * cse.c (find_comparison_args, fold_rtx): Likewise.
2572         * dwarf2out.c (add_const_value_attribute): Likewise.
2573         * expr.c (convert_move): Likewise.
2574         * recog.c (general_operand, register_operand): Likewise.
2575         * reg-stack.c (replace_reg): Likewise.
2576         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
2577         * c-common.c (handle_vector_size_attribute): Likewise.
2578         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
2579         (simplify_binary_operation_1): Likewise.
2580         (simplify_const_binary_operation): Likewise.
2581         (simplify_relational_operation): Likewise.
2582         (simplify_const_relational_operation): Likewise.
2583         (simplify_immed_subreg): Likewise.
2584         * emit-rtl.c (gen_lowpart_common): Likewise.
2585         * expmed.c (expand_mult): Likewise.
2586         * stor-layout.c (layout_type): Likewise.
2587
2588 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
2589
2590         PR target/24951
2591         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
2592         cst2 only for SPE vectors.
2593
2594 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
2595
2596         PR target/24953
2597         * config/rs6000/predicates.md (vrsave_operation): Check
2598         UNSPEC_VOLATILE value.
2599
2600 2005-11-21  Jan Hubicka  <jh@suse.cz>
2601
2602         PR tree-optimization/24653
2603         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
2604
2605 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2606
2607         * config/i386/predicates.md (ax_reg_operand): New predicate.
2608         (memory_displacement_only_operand): New predicate.
2609         * config/i386/i386.md ("modrm" attribute): Return 0 if one
2610         operand is AX register and the other operand is memory operand
2611         with displacement only.
2612
2613 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2614
2615         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
2616         if we don't care about NaNs or Infinities.
2617
2618 2005-11-20  Ian Lance Taylor  <ian@airs.com>
2619
2620         PR rtl-optimization/24883
2621         * combine.c (combinable_i3pat): When checking whether the
2622         destination of i3 is used in i3, consider paradoxical subregs.
2623
2624 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
2625
2626         PR middle-end/20583
2627         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
2628
2629 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
2630
2631         * combine.c (try_combine): Do not run subst on i1src and i2src in
2632         the case of generating a PARALLEL for a comparison.
2633
2634 2005-11-20  Richard Henderson  <rth@redhat.com>
2635
2636         PR 24931
2637         * tree-sra.c (struct sra_elt): Add all_no_warning.
2638         (struct sra_walk_fns) <use>: Add use_all argument.
2639         (sra_walk_expr): Pass it.
2640         (sra_walk_modify_expr): Likewise.
2641         (scalarize_ldst): Likewise.
2642         (scan_use): Update for new argument.
2643         (mark_no_warning): New.
2644         (scalarize_use): Use it.
2645
2646 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
2647
2648         * expr.c (expand_expr_real): Use usmul_optab for widening
2649         signed * unsigned multiplies.
2650         * genopinit.c (optabs): Add usmul_widen_optab.
2651         * optabs.c (init_optabs): Likewise.
2652         * optabs.h (enum optab_index): Add OTI_usmul_widen.
2653         (usmul_widen_optab): Define.
2654         * config/bfin/bfin.md (usmulhisi3): New pattern.
2655
2656         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
2657
2658 2005-11-20  Graham Stott <btinternet.com>
2659
2660         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
2661
2662 2005-11-20  Andreas Schwab  <schwab@suse.de>
2663
2664         PR target/24757
2665         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
2666         insn.
2667
2668 2005-11-19  Richard Henderson  <rth@redhat.com>
2669
2670         PR tree-opt/24665
2671         * tree-gimple.c (is_gimple_id): Export.
2672         * tree-gimple.h (is_gimple_id): Declare.
2673         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
2674         (get_default_value): Use it.
2675         (maybe_fold_stmt_indirect): Likewise.
2676
2677 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
2678
2679         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
2680         than VR1 or vice-versa.
2681
2682 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
2683
2684         PR middle-end/24912
2685         PR middle-end/24750
2686         * reload.c (find_reloads_address_1): Mention dependency on
2687         gen_reload.
2688         * reload1.c (gen_reload): For IN with an unary operation, try
2689         moving inner expression to OUT if trivial SET is not valid.
2690         Confirm that the result is valid.  Move common code block into...
2691         (emit_insn_if_valid_for_reload): New function.
2692
2693 2005-11-19  Richard Guenther  <rguenther@suse.de>
2694
2695         * fold-const.c (fold_indirect_ref_1): Make sure we fold
2696         ARRAY_REFs of constant strings.
2697
2698 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
2699
2700         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
2701         fatal format string.
2702
2703 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
2704
2705         * combine.c (make_compound_operation): Swap operands of
2706         commutative operation if necessary before returning.
2707
2708 2005-11-19  Richard Guenther  <rguenther@suse.de>
2709
2710         PR middle-end/23294
2711         * fold-const.c (fold_plusminus_mult_expr): New function.
2712         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
2713         cases, remove now unnecessary code.
2714
2715 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
2716
2717         * gensupport.c (old_preds): Rename to std_preds, add special field.
2718         (struct old_pred_table): Rename to struct std_pred_table, add special
2719         field.
2720         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
2721         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
2722         (init_predicate_table): Adjust, and set along the way whether a
2723         predicate is special.
2724
2725 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
2726
2727         * BASE-VER: Change to 4.2.0.
2728
2729 2005-11-18  James E Wilson  <wilson@specifix.com>
2730
2731         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
2732         returning it.
2733
2734 2005-11-18  Mike Stump  <mrs@apple.com>
2735
2736         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
2737         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2738         * c-decl.c (lookup_name_two) Remove.
2739         * c-tree.h (lookup_name_two): Remove.
2740         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
2741         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
2742         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
2743         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
2744
2745 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
2746
2747         PR target/24914
2748         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
2749         when not generating code to use that co-processor.
2750
2751 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
2752
2753         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
2754         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
2755         these functions are now in tree-phinodes.c.
2756
2757 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
2758
2759         * config/bfin/bfin.md (trap): New pattern.
2760
2761 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2762
2763         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
2764         on types.
2765
2766         * expr.c (expand_expr_real): Don't call record_block_change unless
2767         ib_boundaries_block is non-null
2768
2769         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
2770
2771         * fold-const.c (build_range_check): Use proper type for subtraction
2772         when merging lower bound.
2773
2774 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2775
2776         PR rtl-optimization/24497
2777         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
2778         the copied insn.
2779
2780 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2781
2782         * tree-scalar-evolution.c (expression_expensive_p): New function.
2783         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
2784
2785 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
2786
2787         * config/bfin/crtlibid.s: New file.
2788
2789 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2790
2791         PR target/24348
2792         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
2793         when not using sjlj exceptions.
2794         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
2795         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2796         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
2797         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
2798         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
2799         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
2800         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
2801         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
2802         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
2803         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
2804         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
2805         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
2806         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
2807         defines.
2808         * config/pa/hpux-unwind.h: New file.
2809
2810 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
2811
2812         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
2813         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
2814         * varasm.c (do_assemble_alias): Adjust call.
2815         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
2816         is defined.
2817         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
2818
2819 2005-11-17  James E Wilson  <wilson@specifix.com>
2820
2821         * tree.def (FUNCTION_DECL): Correct typo in comment.
2822
2823 2005-11-17  Richard Henderson  <rth@redhat.com>
2824
2825         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
2826         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
2827         and DW_CFA_def_cfa_sf.
2828         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
2829         (dbx_reg_number): Don't assert particular registers here.
2830         (based_loc_descr): ... do it here instead.  Fold in ...
2831         (eliminate_reg_to_offset): ... this function.
2832         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
2833         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
2834         * unwind-dw2.c (execute_cfa_program): Apply data align factor
2835         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
2836         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
2837         (instantiate_virtual_regs): Likewise.
2838         * var-tracking.c (adjust_stack_reference): Likewise.
2839         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
2840
2841 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
2842
2843         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
2844         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
2845         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
2846         crtlibid.o.
2847         ($(T)crtlibid.o): New rule.
2848
2849 2005-11-16  Richard Guenther  <rguenther@suse.de>
2850
2851         PR middle-end/24851
2852         * fold-const.c (extract_array_ref): Return byte offset
2853         in all cases.
2854         (fold_binary): Fold &x[a] CMP &x[b] to
2855         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
2856         behavior.
2857
2858 2005-11-16  Richard Henderson  <rth@redhat.com>
2859
2860         PR middle-end/23497
2861         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
2862         parts of an SSA_NAME.
2863
2864 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
2865
2866         PR target/24861
2867         * arm.md (split for movsf with immediate): Restrict split to insns
2868         that set a general register.
2869
2870 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2871
2872         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
2873         uw_update_context.
2874         * unwind-dw2.c (uw_advance_context): Likewise.
2875         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
2876         _Unwind_SjLj_Unregister.
2877         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
2878
2879 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2880
2881         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
2882
2883 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2884
2885         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
2886         langhook to get a DImode integer type.
2887
2888 2005-11-16  Richard Henderson  <rth@redhat.com>
2889             J"orn Rennecke <joern.rennecke@st.com>
2890             Ulrich Weigand  <uweigand@de.ibm.com>
2891
2892         PR rtl-opt/24160
2893         PR target/24621
2894         * reload1.c (reg_equiv_invariant): New.
2895         (reload): Allocate, initialize, and free it.
2896         (calculate_needs_all_insns): Check it when skipping equivalence
2897         setting insns.
2898         (alter_reg): Likewise.
2899         (eliminate_regs_1): Rename from eliminate_regs.  Add new
2900         may_use_invariant argument; only use reg_equiv_invariant when true.
2901         (eliminate_regs): New.
2902         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
2903         a context for which may_use_invariant may be true.
2904
2905 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2906
2907         * fold-const.c (const_binop): Don't constant fold the operation
2908         if the result has overflowed and flag_trapping_math.
2909         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
2910
2911 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2912
2913         * config/arm/unwind-arm.c (abort): Add prototype here.
2914         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
2915         (struct phase1_vrs): Add prev_sp.
2916         (unwind_phase2_forced): Save the original core registers instead of
2917         modifying entry_vrs.  Take a new flag argument for resuming unwinding
2918         and set action flags accordingly.  Always set _US_END_OF_STACK when
2919         get_eit_entry fails.  Unwind before calling the stop function.
2920         (_Unwind_GetCFA): New function.
2921         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
2922         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
2923         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
2924         just call unwind_phase2_forced.
2925         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
2926         * config/arm/unwind-arm.h (abort): Remove prototype.
2927         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
2928         prototypes.
2929         (_Unwind_GetCFA): New prototype.
2930         * config/arm/pr-support.c (abort): Add prototype here.
2931         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
2932         forced unwinding.
2933         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
2934         not schedule the prologue with non-call exceptions and EABI.
2935
2936 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
2937
2938         * config/arm/unwind-arm.h: Reorder interface function declarations.
2939         (_URC_END_OF_STACK): New enumeration value.
2940         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
2941         (struct _Unwind_Control_Block): Document reserved field use.
2942         (_Unwind_Stop_Fn): New typedef.
2943         (_Unwind_ForcedUnwind): Declare.
2944         (_Unwind_Resume_or_Rethrow): Declare.
2945         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
2946         argument.  Adjust.
2947         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
2948         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
2949         (UCB_FORCED_STOP_ARG): New.
2950         (search_EIT_table): Update boundary condition checks.
2951         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
2952         (unwind_phase2): Replace for with do..while.
2953         (unwind_phase2_forced): New.
2954         (__gnu_Unwind_RaiseException): Replace for with do..while.
2955         (__gnu_Unwind_ForcedUnwind): New.
2956         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
2957         Use appropriate phase2 unwinder.
2958         (__gnu_Unwind_Resume_or_Rethrow): New.
2959         (__gnu_unwind_pr_common): Cope with forced unwinding.
2960
2961 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
2962
2963         PR target/24772
2964         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
2965
2966         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
2967         roundsf2): Remove "s" from mnemonic.
2968
2969 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
2970
2971         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
2972         __PIC__ is defined.
2973         * config/bfin/crtn.s: Change epilogues to match.
2974         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
2975         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
2976         __PIC__ and __pic__.
2977
2978 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
2979
2980         PR 24357
2981         * doc/invoke.texi: Distinguish between free and fixed form instead of
2982         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
2983         languages.
2984         * gcc.c (default_compilers): Remove double entries, add entries for
2985         suffixes '.F90' and '.F95'.
2986
2987 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
2988
2989         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
2990         in the stack probing loop.
2991
2992 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2993
2994         * configure.ac: Use .machine power5 not power5x.
2995         * configure: Regenerate.
2996
2997 2005-11-15  Mike Stump  <mrs@apple.com>
2998
2999         * c-decl.c (lookup_name_two): Add.
3000         * c-tree.h (lookup_name_two): Likewise.
3001         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
3002         * config/darwin-c.c (darwin_pragma_unused): Likewise.
3003
3004 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
3005
3006         PR rtl-optimization/23392
3007         * regrename.c (enum scan_actions) Add mark_access.
3008         (scan_actions_name): Ditto.
3009         (scan_rtx_reg): Handle mark_access.
3010         (scan_rtx_address): Do nothing for mark_access.
3011         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
3012         and regs in REG_INC notes before closing chains for dead regs.
3013         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
3014         opening chains for new writes.
3015
3016 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
3017
3018         * c.opt (ffixed-line-length-none): New.
3019
3020 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
3021
3022         * mklibgcc.in: Change contents of eh_dummy.c.
3023
3024 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
3025
3026         * loop.c (scan_loop): Do not insert temporaries for hard registers.
3027
3028 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
3029
3030         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
3031         of making syscalls.
3032         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
3033
3034 2005-11-15  Jan Hubicka  <jh@suse.cz>
3035
3036         * invoke.texi (large-unit-insns): Document.
3037         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
3038         * params.def (large-unit-insns): New param.
3039
3040 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
3041
3042         PR target/24869
3043         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
3044         special register for operand 3.  Reindent constraints to align
3045         them vertically.
3046
3047 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
3048
3049         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
3050         -mpopcntb, -mfprnd. Add -mcpu=power5+.
3051         * configure.ac: Add test for FP rounding instructions.
3052         * configure: Regenerate.
3053         * config.in: Regenerate.
3054         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3055         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
3056         features enabled.
3057         * config/rs6000/rs6000.opt (mfprnd): New.
3058         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
3059         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
3060         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
3061         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
3062         (TARGET_FPRND): New.
3063         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
3064         UNSPEC_FRIZ): New.
3065         (btrunc<mode>2): New.
3066         (ceil<mode>2): New.
3067         (floor<mode>2): New.
3068         (round<mode>2): New.
3069
3070 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
3071
3072         * gcc.c (version_compare_spec_function): Use fatal() rather than
3073         abort().
3074
3075         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
3076         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
3077         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
3078         as empty.
3079         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
3080         link in crt2.o.
3081
3082         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
3083         on -mmacosx-version-min setting.
3084
3085 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
3086
3087         PR 24840
3088         * tree-vrp.c (infer_value_range): Return false if STMT is a
3089         block terminator and its basic block has no successors.
3090
3091 2005-11-14  Mike Stump  <mrs@apple.com>
3092
3093         * config/i386/i386.c (override_options): -masm=intel isn't
3094         supported on darwin.
3095         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3096
3097 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
3098
3099         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
3100         vfork after including auto-host.h.
3101
3102 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
3103
3104         PR rtl-optimization/22002
3105         * combine.c (distribute_notes): Detect cases where a reg dies
3106         two or more times in a bb, including on the insn we are combining,
3107         and place the death note on the correct range.
3108
3109 2005-11-14  Dale Johannesen  <dalej@apple.com>
3110
3111         * expmed.c (store_bit_field):  Add offset unconditionally for
3112         memory targets.
3113         (extract_bit_field):  Don't force extzv or extv operand into
3114         a register if field is too big.
3115
3116 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
3117
3118         * config/arm/arm.c (pic_labelno): New.
3119         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
3120         LABEL_REF.  Pass only the labelno to PIC insns.
3121         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3122         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
3123         * arm.md (UNSPEC_PIC_LABEL): New constant.
3124         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
3125         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
3126         Use the correct label prefix.
3127
3128 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
3129
3130         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
3131         REQ_EQUIV note.
3132
3133 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
3134
3135         * loop-invariant.c: Include tm_p.h.
3136         * Makefile.in: Updated.
3137
3138 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3139
3140         * pa.c (store_reg): Revise generation of frame notes in large frames.
3141         (set_reg_plus_d): Likewise.
3142
3143 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
3144
3145         PR tree-optimization/24709
3146         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
3147         loop check.
3148
3149 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
3150
3151         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
3152         and duplicate declaration of pthread_self.
3153
3154 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
3155             Ian Lance Taylor  <ian@airs.com>
3156
3157         PR middle-end/24003
3158         * calls.c (expand_call): If TARGET is a MEM and some part of the
3159         argument area has been saved, force TARGET to a register.
3160
3161 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
3162
3163         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
3164         checking.
3165
3166 2005-11-13  Jason Merrill  <jason@redhat.com>
3167
3168         PR c++/22489
3169         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
3170         lazily declared methods.
3171         (force_decl_die): Stop if forcing out the context already make a
3172         DIE for the decl.
3173         (force_type_die): Likewise.
3174
3175 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
3176
3177         PR middle-end/24820
3178         * builtins.c (integer_valued_real_p): Add break in
3179         REAL_CST having TREE_OVERFLOW set.
3180
3181 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
3182
3183         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
3184         addressing modes during calculation of costs.
3185
3186 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
3187
3188         * function.c (assign_stack_local_1): Restrict sanity check
3189         on frame size overflow to 32-bit and above platforms.
3190
3191 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3192
3193         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3194         * config/cris/cris.c: Include reload.h.
3195         (cris_initial_elimination_offset): New function.
3196         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
3197         Prototype.
3198
3199 2005-11-12  Richard Guenther  <rguenther@suse.de>
3200
3201         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
3202
3203 2005-11-12  Jan Hubicka  <jh@suse.cz>
3204
3205         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
3206         to compare against 0 when possible.
3207
3208 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
3209
3210         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
3211         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3212         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
3213         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
3214         in the new order.
3215
3216 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3217
3218         * recog.c (constrain_operands) <case 'g'>: For a match, require
3219         that a non-register matches general_operand when strict >= 0.
3220
3221 2005-11-11  Steven Bosscher  <stevenb@suse.de>
3222
3223         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
3224         previous checkin.
3225
3226 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3227
3228         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
3229         (memory_address_same): New.
3230         (dse_optimize_stmt): Call memory_address_same.
3231
3232 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3233
3234         PR middle-end/24750
3235         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
3236         ZERO_EXTEND>: New cases.
3237
3238 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3239
3240         * longlong.h (__clz_tab): Always provide.
3241
3242 2005-11-11  Steven Bosscher  <stevenb@suse.de>
3243
3244         PR 24265
3245         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
3246         can be assigned to.
3247         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
3248         before check_maybe_invariant.
3249         (move_invariant_reg): Use gen_move_insn instead of replacing
3250         SET_DEST with the temporary for the invariant.
3251         (move_loop_invariants): If checking is enabled, do internal
3252         consistency checks after completing the pass.
3253
3254 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
3255
3256         PR 24644
3257         * common.opt (Wvolatile-register-var): New.
3258         * varasm.c (make_decl_rtl): Only emit warning when option
3259         specified.  Clarify warning message.
3260         * doc/invoke.texi (Wvolatile-register-var): Document new option.
3261
3262         * doc/md.texi (copysign): Document standard named pattern.
3263
3264 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
3265
3266         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
3267         bytes when align is 2.
3268         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
3269         by the first instruction of the loop.
3270
3271 2005-11-11  Jason Merrill  <jason@redhat.com>
3272
3273         PR c++/24686
3274         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
3275         the cleanup list.
3276
3277 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
3278
3279         PR rtl-optimization/22509
3280         * local-alloc.c (memref_used_between_p): Check whether a function call
3281         could not reference the memref.
3282
3283 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
3284
3285         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
3286         algorithm so as to choose the best, not the worst, alternative.
3287         Reset accumulated register class before processing next alternative.
3288
3289 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3290
3291         PR target/24445
3292         * calls.c (expand_call): Copy a return value to a plain register
3293         if needed.
3294
3295 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
3296
3297         PR target/24778
3298         * varasm.c (assemble_name): Recompute name only for transparent
3299         aliases.
3300
3301 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
3302
3303         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
3304
3305 2005-11-04  Jeff Law  <law@redhat.com>
3306
3307         PR middle-end/23181
3308         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
3309         perform reassociation if the parent statement will not die as
3310         a result of the optimization.
3311
3312 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
3313
3314         * tree-ssa-alias.c (compute_may_aliases): Remove call to
3315         delete_old_heap_vars.
3316         * tree-dfa.c (referenced_var_remove): Remove function.
3317         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
3318         (delete_tree_ssa): Remove call to delete_old_heapvars.
3319         Add call to delete_alias_heapvars.
3320         * tree-flow.h (referenced_var_remove): Remove prototype
3321         (init_alias_heapvars): New prototype.
3322         (delete_alias_heapvars): Ditto.
3323         * Makefile.in (tree-ssa-structalias.o): Add
3324         gt-tree-ssa-structalias.o
3325         (GTFILES): Add tree-ssa-structalias.h and
3326         tree-ssa-structalias.c.
3327         (s-gtype): Add gt-tree-ssa-structalias.h.
3328         * tree-ssa-structalias.c (heapvars): Remove.
3329         (oldheapvars): Remove.
3330         (heapvar_for_stmt): New variable.
3331         (heapvar_lookup): New function.
3332         (heapvar_insert): Ditto.
3333         (get_constraint_for): See if we have an old heapvar
3334         to reuse.
3335         (init_alias_heapvars): New function.
3336         (delete_alias_heapvars): Ditto.
3337         Add include of gt-tree-ssa-structalias.h.
3338
3339 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
3340
3341         PR middle-end/22127
3342         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
3343
3344 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
3345
3346         * tree.c (int_fits_type_p): Only look at the base type
3347         if it has the same precision as the original type.
3348
3349 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
3350
3351         PR other/4372
3352         * varasm.c (assemble_alias): Use %q+D in the error
3353         message instead of %J and %qD.
3354
3355 2005-11-10  Richard Guenther  <rguenther@suse.de>
3356
3357         * gcse.c (free_ldst_entry): Only free hashtable if
3358         it exists.
3359
3360 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3361
3362         * function.c (assign_stack_local_1): Issue an error message if
3363         the frame size overflows in the signed target arithmetics.
3364
3365 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3366
3367         * tree.c (build_qualified_type): Chain the new type to the original
3368         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3369         a POINTER_TYPE or a REFERENCE_TYPE respectively.
3370         (build_pointer_type_for_mode): Only return unqualified types.
3371         (build_reference_type_for_mode): Likewise.
3372
3373 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
3374
3375         * Makefile.in (gnucompare): Do comparison of all files using one of
3376         the chosen methods and only afterwards decide if just warning should
3377         be issued or comparison failure raised.
3378
3379 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3380
3381         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
3382         (noce_try_abs): Negate if the comparison is reversed.
3383         Look only one instruction backwards for a REG_EQUAL note.
3384
3385 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3386
3387         PR other/4372
3388         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
3389         gthr-tpf.h: Define __gthrw.  For all identifiers that might
3390         be weak, introduce weakrefs or non-weak aliases with __gthrw,
3391         and prefix all uses with __ghtrw.
3392
3393 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3394
3395         PR other/4372
3396         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
3397         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
3398         * c-common.c (handle_weakref_attribute): New.
3399         (c_common_attribute_table): Add weakref.
3400         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
3401         in the assembler.
3402         * configure, config.in: Rebuilt.
3403         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
3404         * doc/extend.texi: Document weakref attribute.
3405         * varasm.c (ultimate_transparent_alias_target): New
3406         (assemble_name): Use it.
3407         (weak_finish_1): Split out of...
3408         (weak_finish): ... and deal with weakrefs in...
3409         (weakref_targets): ... new list.
3410         (globalize_decl): Clean up weakref_targets.
3411         (do_assemble_alias): Handle weakrefs.
3412         (finish_aliases_1): Do not reject weakrefs to external symbols.
3413         (assemble_alias): Handle weakrefs.
3414
3415 2005-11-09  Richard Guenther  <rguenther@suse.de>
3416
3417         PR tree-optimization/24716
3418         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
3419         t_bool to track results from follow_ssa_edge.
3420
3421 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3422
3423         * final.c (force_source_line): New global variable.
3424         (final_scan_insn): Set it to true instead of clearing last_filename.
3425         (notice_source_line): Return true if force_source_line is true,
3426         unless source info is absent.
3427
3428 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
3429
3430         PR c/24644
3431         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
3432         a linkage name for a variable if it a register variable.
3433         * c-decl.c (grokdeclarator): Global register variables
3434         should be set as PUBLIC.
3435
3436 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3437
3438         PR 24624
3439         * config/s390/s390.c (struct s390_frame_layout): New fields
3440         first_save_gpr_slot and last_save_gpr_slot.
3441         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
3442         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
3443         first_save_gpr and last_save_gpr with the _slot variants.
3444         (s390_register_info): Calculate first_save_gpr_slot and
3445         last_save_gpr_slot using regs_ever_live.
3446
3447 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3448
3449         PR 24623
3450         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
3451         for a function containing a landing pad.
3452
3453 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3454
3455         PR 24034
3456         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
3457         is live afterwards.
3458
3459 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
3460
3461         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
3462         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
3463
3464 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
3465
3466         Add ms2 support
3467         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
3468         constants.
3469         (call,load,store): New insn types.
3470         (mem_access, branch_access): Adjust reservation conditions.
3471         (define_delay): Adjust condition.
3472         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
3473         type.
3474         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
3475         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
3476         insn type.
3477         (call_internal, call_value_internal, return_internal,
3478         return_interrupt_internal, eh_return_internal, indirect_jump,
3479         tablejump): Set call insn type.
3480         (blockage, ei, di): Use appropriate unspec const.
3481         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
3482         (ms1_get_attr_type): Adjust to give load & store types.
3483         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
3484         backwards past a barrier.
3485         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
3486         branch scheduling.
3487         (struct branch_info, struct label_info): New.
3488         (ms1_labels): New.
3489         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
3490         (ms1_machine_reorg): New.
3491         (TARGET_MACHINE_DEPENDENT_REORG): Override.
3492         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
3493         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
3494         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
3495         (TARGET_MS2): New.
3496
3497 2005-11-09  Per Bothner  <per@bothner.com>
3498             Uros Bizjak  <uros@kss-loka.si>
3499
3500         PR c/24101
3501         * toplev.c (process_options): Initialize debug_hooks early
3502         in case lang_hooks.post_options ends up calling a debug_hook.
3503
3504 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
3505
3506         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
3507         DBX_REGISTER_NUMBER being contiguous.
3508
3509 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
3510             Diego Novillo  <dnovillo@redhat.com>
3511
3512         PR 23046
3513         * tree-vrp.c (register_edge_assert_for): Do not register
3514         always-false predicates.
3515
3516 2005-11-08  Devang Patel <dpatel@apple.com>
3517
3518         PR tree-optimization/23115
3519         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
3520         relation.
3521
3522 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
3523
3524         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
3525         -mcpu=440.
3526
3527 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
3528
3529         Fix PR tree-optimization/23382
3530
3531         * tree-ssa-alias.c (compute_may_aliases): Call
3532         delete_old_heap_vars.
3533         * tree-dfa.c (referenced_var_remove): New function.
3534         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
3535         * tree-flow.h (referenced_var_remove): Add prototype.
3536         (delete_old_heap_vars): Ditto.
3537         * tree-ssa-structalias.c (heapvars): New variable.
3538         (oldheapvars): Ditto.
3539         (get_constraint_for): Put heap vars on heapvars list.
3540         (delete_old_heap_vars): New function.
3541
3542 2005-11-08  Jason Merrill  <jason@redhat.com>
3543
3544         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
3545
3546 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
3547
3548         PR target/19340
3549         * reg-stack.c (reg_to_stack): Update register liveness also
3550         for flag_sched2_use_traces.
3551
3552 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
3553
3554         PR target/23704
3555         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
3556         override prior explicit -mno-powerpc-gfxopt.
3557
3558 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
3559
3560         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
3561         if the bitsize is zero.
3562         * doc/md.texi (Standard Pattern Names): Document it.
3563
3564         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
3565         (TARGET_PASS_BY_REFERENCE): Likewise.
3566
3567 2005-11-07  Ian Lance Taylor  <ian@airs.com>
3568
3569         PR rtl-optimization/24683
3570         * config/i386/i386.c (legitimize_pic_address): If constant operand
3571         to PLUS is too large, put it in a register.
3572
3573 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
3574
3575         * configure.ac: Enable checking assembler dwarf2 support for bfin
3576         target.
3577         * configure: Regenerate.
3578
3579 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3580
3581         PR target/24230
3582
3583         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
3584         gen_easy_vector_constant_add_self): Delete.
3585         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
3586         New.
3587         (output_vec_const_move): Use gen_easy_altivec_constant.
3588         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
3589         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
3590         (easy_vector_constant_add_self): Rewritten.
3591         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
3592         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
3593         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
3594         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
3595         Macroize and adjust for the other changes.
3596
3597 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3598
3599         PR c/24599
3600
3601         * c-typeck.c (build_c_cast): Try using a shared constant, and see
3602         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
3603
3604 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
3605
3606         PR rtl-optimization/23567
3607         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
3608         (noce_process_if_block): Don't do any optimizations except
3609         if (cond) x = x; if !set_b and write into orig_x may trap
3610         or fault.  Remove the MEM_READONLY_P check.
3611
3612 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
3613
3614         PR 24670
3615         * tree-vrp.c (fix_equivalence_set): New.
3616         (extract_range_from_assert): Call it.
3617
3618 2005-11-05  Ian Lance Taylor  <ian@airs.com>
3619
3620         PR target/22432
3621         * combine.c (apply_distributive_law): Don't distribute across a
3622         vector mode subreg.
3623
3624 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
3625
3626         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
3627         config/ms1/ms1.h, config/rs6000/predicates.md,
3628         config/s390/s390.c, params.def, postreload-gcse.c,
3629         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
3630         tree-vrp.c, tree.c: Fix comment typos.
3631         * doc/invoke.texi: Fix typos.
3632
3633 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
3634
3635         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
3636         for testing whether the data_dependence_relation contains distance
3637         vectors.  Iterate over all distance vectors of the ddr.
3638         * lambda.h: Define a vec of lambda_vector pointers.
3639         * tree-data-ref.c (dump_data_dependence_relation,
3640         dump_data_dependence_direction): Iterate over all distance and
3641         direction vectors of the ddr.
3642         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
3643         DDR_DIST_VECTS.
3644         (build_classic_dist_vector, build_classic_dir_vector): Push a set
3645         of distance/direction vectors instead of a single one.
3646         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
3647         lambda_vectors with a vec of lambda_vectors.
3648         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
3649         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
3650         DDR_NUM_DIST_VECTS): New.
3651         * tree-loop-linear.c (gather_interchange_stats): Test for the
3652         existence of distance vectors only after having checked that there
3653         is a dependence.  Iterate over all distance vectors of the ddr.
3654         (linear_transform_loops): Use dump_data_dependence_relation.
3655         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
3656         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
3657         distance vectors of the ddr.
3658
3659 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3660
3661         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
3662         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
3663         IS_INTHANDLER; all callers changed.
3664         (n_regs_saved_by_prologue): Take interrupt handler attributes into
3665         account.
3666         (do_link, do_unlink): New argument ALL; all callers changed.
3667         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
3668         If function isn't leaf, save and restore all registers.
3669         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
3670         exception handler.
3671
3672 2005-11-05  Jan Hubicka  <jh@suse.cz>
3673
3674         PR rtl-optimization/23490
3675         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
3676         max-flow-memory-location): Document.
3677         * flow.c: Include params.h
3678         (MAX_MEM_SET_LIST_LEN): Kill.
3679         (add_to_mem_set_list): Use new param.
3680         * cse.c (cse_basic_block): Replace 1000 by new param.
3681         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
3682         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
3683         * predict.c (predict_loops): Use new param.
3684         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
3685
3686         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
3687         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
3688         Do not hold memory returned by cgraph_node_name across other call.
3689
3690 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
3691
3692         PR target/23424
3693         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
3694         Disable.
3695
3696 2005-11-04  Jeff Law  <law@redhat.com>
3697
3698         PR/21883
3699         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
3700         * tree-ssa-dom.c: Include params.h.
3701         (thread_across_edge): If there are too many statements in the
3702         target block, then do not thread through it.
3703         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
3704         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
3705
3706 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
3707
3708         PR 24627
3709         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
3710         TODO_update_ssa instead of TODO_update_ssa_no_phi.
3711
3712 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
3713
3714         PR/18595
3715         * tree-scalar-evolution.c (instantiate_parameters_1,
3716         instantiate_parameters, resolve_mixers): Compute the size of an
3717         expression to be instantiated and give up the instantiation if the
3718         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3719
3720 2005-11-04  Richard Guenther  <rguenther@suse.de>
3721
3722         * tree-flow.h (ref_contains_indirect_ref): Rename to
3723         array_ref_contains_indirect_ref.
3724         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
3725         (array_ref_contains_indirect_ref): Make comment match the code
3726         and vice-versa.
3727         (ref_contains_array_ref): Likewise.
3728         * tree-ssa-structalias.c (find_func_aliases): Remove call to
3729         ref_contains_indirect_ref.
3730         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3731         Rename calls to ref_contains_indirect_ref.
3732
3733 2005-11-04 Paul Brook  <paul@codesourcery.com>
3734
3735         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
3736         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
3737         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3738         * config/arm/arm.md: Use match_operand in peephole input templates
3739         and match_dup in peephole output templates.
3740
3741 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3742
3743         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
3744         __aeabi_uidiv.
3745
3746 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
3747             Daniel Jacobowitz  <dan@codesourcery.com>
3748
3749         * longlong.h (add_ssaaaa): Clobber condition code register
3750         in ARM version.
3751         (sub_ddmmss): Likewise.
3752         (umul_ppmm): Likewise.
3753
3754 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3755             Paul Brook  <paul@codesourcery.com>
3756             Phil Blundell  <pb@reciva.com>
3757
3758         * configure.ac: Add test for ARM TLS support.
3759         * configure: Regenerated.
3760         * config/arm/arm-protos.h (legitimize_tls_address)
3761         (arm_tls_referenced_p, tls_mentioned_p)
3762         (arm_output_addr_const_extra): New prototypes.
3763         (thumb_legitimize_pic_address): Delete.
3764         * config/arm/arm.c: Include "gt-arm.h".
3765         (enum tls_reloc): New.
3766         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
3767         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
3768         (arm_call_tls_get_addr, legitimize_tls_address)
3769         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
3770         (arm_init_tls_builtins, arm_emit_tls_decoration)
3771         (arm_output_addr_const_extra): New functions.
3772         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
3773         (TARGET_HAVE_TLS): Define.
3774         (target_thread_pointer): New.
3775         (arm_override_options): Handle -mtp=.
3776         (legitimize_pic_address): Ignore UNSPECs.
3777         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
3778         relative symbols.
3779         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
3780         (tls_get_addr_libfunc): New variable.
3781         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
3782         (arm_init_builtins): Call arm_init_tls_builtins.
3783         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
3784         (arm_encode_section_info): Call default_encode_section_info.
3785         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
3786         (enum arm_tp_type): New.
3787         (target_thread_pointer): Add declaration.
3788         (LEGITIMATE_CONSTANT_P): Handle TLS.
3789         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
3790         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
3791         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
3792         * config/arm/arm.md: Add UNSPEC_TLS.
3793         (movsi): Handle TLS.
3794         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
3795         non-PIC.
3796         (tls_load_dot_plus_eight): New insn and a peephole to create it.
3797         (load_tp_hard, load_tp_soft): New insns.
3798         * arm.opt: Add -mtp=.
3799         * doc/invoke.texi (ARM Options): Document -mtp.
3800
3801 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3802
3803         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
3804         * config/arm/libunwind.S: Include "lib1funcs.asm".
3805         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
3806         (LIB2ADDEH): Add libunwind.S.
3807         (LIB2ADDEHDEP): Add lib1funcs.asm.
3808         * mklibgcc.in: Handle asm files in libgcc_eh.a.
3809
3810 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3811
3812         PR fortran/18452
3813         * gcc/c.opt: Add a -lang-fortran option.
3814         * gcc/c-opts.c: Add a lang_fortran flag.
3815         (c_common_init_options): Handling the -lang-fortran option.
3816         (c_common_handle_option): Add a case for Fortran options in
3817         preprocessing. Remove cases for -ffixed-form and
3818         -ffixed-line-length. Add a case for -lang-fortran.
3819
3820 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
3821
3822         * config/rs6000/rs6000.c: Include params.h
3823         (optimization_options): Set max-grow-copy-bb-insns default to 16.
3824         (bdesc_2arg): Delete vpkuhss and vpkuwss.
3825         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
3826         (UNSPEC_VPKUWSS): Delete.
3827         (altivec_vpkuhss): Delete.
3828         (altivec_vpkuwss): Delete.
3829         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
3830         final condition.
3831         (neg_eq0<mode>): Remove final condition.
3832         (neg_eq<mode>): Remove condition and split-condition.
3833
3834 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
3835
3836         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
3837         Use associated print macros.
3838
3839 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3840
3841         PR c++/17964
3842         * diagnostic.c (diagnostic_set_info_translated): New function.
3843         (diagnostic_set_info): Use it.  Add comment.
3844         * diagnostic.h (diagnostic_set_info_translated): Declare.
3845
3846 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
3847
3848         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
3849         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
3850         reference only if 'public' is true.
3851         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
3852         emit the .hidden directive only if the indirect reference is public.
3853         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
3854         Pass it to dw2_force_const_mem.
3855         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
3856         * dwarf2out.c (output_cfi): Adjust calls to above function.
3857         (output_call_frame_info): Likewise.
3858         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
3859         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
3860
3861 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
3862
3863         PR tree-optimization/24483
3864         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
3865         field to elts if possible.
3866
3867 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3868
3869         PR middle-end/23155
3870         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
3871         CONSTRUCTOR.
3872
3873 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
3874
3875         Fix PR tree-optimization/24351
3876
3877         * tree-ssa-structalias.c (struct variable_info): Add
3878         collapsed_into.
3879         (get_varinfo_fc): New function to follow collapsing.
3880         (new_var_info): Set collapsed_to to NULL.
3881         (dump_constraint): Follow collapsing.
3882         (build_constraint_graph): Handle collapsing.
3883         (do_simple_structure_copy): Return false if something bad
3884         happened.
3885         (collapse_rest_of_var): New function.
3886         (do_structure_copy): Collapse if do_simple_structure_copy returns
3887         false.
3888
3889 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3890
3891         PR middle-end/24589
3892         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
3893         expressions to a statement list instead of gimplifying them.
3894
3895 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
3896
3897         PR rtl-optimization/23585
3898         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
3899         that can't trap plus a constant integer, if the mode has zero size.
3900
3901 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
3902
3903         PR target/24620
3904         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
3905         as operand 2.
3906         ("*insv<mode>_reg_extimm"): Likewise.
3907
3908 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3909
3910         PR c/24329
3911         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
3912         c_common_type_for_mode returns an unnamed type.
3913
3914 2005-11-02  Richard Henderson  <rth@redhat.com>
3915
3916         PR target/9350
3917         PR target/24374
3918         * dwarf2out.c (dwarf2out_reg_save_reg): New.
3919         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
3920         * function.c (assign_parms): Use calls.internal_arg_pointer.
3921         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
3922         code.
3923         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
3924         (TARGET_CALLS): Add it.
3925         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
3926         * targhooks.c (default_internal_arg_pointer): New.
3927         * targhooks.h (default_internal_arg_pointer): Declare.
3928         * tree.h (dwarf2out_reg_save_reg): Declare.
3929         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
3930         * config/i386/i386.c (dbx_register_map): Add return column.
3931         (dbx64_register_map, svr4_dbx_register_map): Likewise.
3932         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
3933         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
3934         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
3935         (ix86_save_reg): Save force_align_arg_pointer.
3936         (ix86_emit_save_regs): Make regno unsigned.
3937         (ix86_emit_save_regs_using_mov): Likewise.
3938         (ix86_expand_prologue): Handle force_align_arg_pointer.
3939         (ix86_expand_epilogue): Likewise.
3940         * config/i386/i386.h: (dbx_register_map): Update.
3941         (dbx64_register_map, svr4_dbx_register_map): Update.
3942         (struct machine_function): Add force_align_arg_pointer.
3943         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
3944         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
3945         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
3946
3947 2005-11-02  Jan Hubicka  <jh@suse.cz>
3948
3949         PR target/23303
3950         * i386.md: Add peep2 for simplyfing array accesses.
3951
3952 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3953
3954         PR target/24615
3955         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
3956         * config/s390/s390.c (s390_decompose_shift_count): New function.
3957         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
3958         (print_shift_count_operand): Use s390_decompose_shift_count.
3959         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
3960         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
3961
3962 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3963
3964         PR target/24600
3965         * loop.c (loop_givs_rescan): Use force_operand to expand
3966         complex GIVs.
3967
3968 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
3969
3970         PR 22429
3971         * fold-const.c (build_range_check): Use unsigned when signed
3972         overflow is undefined also.  If etype is subtype, make sure that
3973         the subtraction is in the supertype.
3974
3975 2005-11-02  Richard Henderson  <rth@redhat.com>
3976
3977         PR target/24178
3978         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
3979         by MEM_ALIGN.
3980
3981 2005-11-01  Richard Henderson  <rth@redhat.com>
3982
3983         PR 21518
3984         * loop.c (scan_loop): Do not propagate computations to a hard
3985         register destination with SMALL_REGISTER_CLASSES.
3986
3987 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
3988
3989         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
3990         costs for MULT inside PLUS or MINUS.
3991
3992 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
3993
3994         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
3995         (TRAMPOLINE_SIZE): Round up to 60.
3996         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
3997
3998 2005-10-31  James E. Wilson  <wilson@specifix.com>
3999
4000         PR debug/24444
4001         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
4002         ifdef.  Put ifdefs around call in gen_subprogram_die.
4003         (compute_frame_pointer_to_cfa_displacement): Likewise.
4004         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
4005         not defined.
4006
4007         PR rtl-optimization/17356
4008         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
4009         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
4010
4011 2005-10-31  Jan Hubicka  <jh@suse.cz>
4012
4013         PR middle-end/24093
4014         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
4015
4016         PR target/20928
4017         * i386.c (legitimize_pic_address): Deal with large immediates.
4018
4019         PR profile/20815
4020         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
4021         from symbol names while computing checkup.
4022
4023         PR profile/24487
4024         * predict.c (predict_loops): Do not estimate more than
4025         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
4026         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
4027
4028 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
4029
4030         PR tree-optimization/19097
4031         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
4032
4033 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
4034
4035         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
4036
4037 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
4038
4039         PR middle-end/23492
4040         * tree-inline.c (setup_one_parameter): If the init_stmt
4041         is NULL, don't insert the statement.
4042
4043 2005-10-30  Jan Hubicka  <jh@suse.cz>
4044
4045         PR tree-optimization/24172
4046         * tree-inline.c (copy_body_r): Unshare the substituted value first.
4047
4048 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
4049
4050         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
4051         constants for hosts with long != 32 bits.
4052
4053 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
4054
4055         PR middle-end/24093
4056         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
4057
4058 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
4059
4060         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
4061         (TARGET_MS1_16_002): New.
4062         (TARGET_MS1_16_003): New.
4063
4064         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
4065         ("*decrement_and_branch_until_zero_no_clobber"): New.
4066         Add corresponding splitter for decrement_and_branch_until_zero
4067         instruction.
4068         Key all decrement_and_branch_until_zero patterns off of
4069         TARGET_MS1_16_003.
4070
4071 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
4072
4073         PR middle-end/24362
4074         * tree-complex.c (extract_component): Treat RESULT_DECL
4075         like the rest of the decls.
4076
4077 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
4078
4079         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
4080         indirect call to _mcount if the function needs a static chain.
4081
4082 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
4083             Caroline Tice  <ctice@apple.com>
4084
4085         PR rtl-optimization/24460
4086         * dwarf2out.c (have_switched_text_sections): New boolean variable.
4087         (dwarf2out_switch_text_section): Set it to true instead of
4088         incrementing separate_line_info_table_in_use.
4089         (output_loc_list): Additionally test have_switched_text_sections.
4090         (output_ranges): Likewise.
4091         (dwarf2out_finish): Likewise.
4092         * varasm.c (assemble_start_function): Do not call
4093         insert_section_boundary_note.
4094         (assemble_end_function): If flag_reorder_blocks_and_partition,
4095         switch to the function's section before emitting the .size directive.
4096         * bb-reorder.c (insert_section_boundary_note): Staticify.
4097         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
4098         * output.h (insert_section_boundary_note): Delete.
4099
4100 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
4101
4102         PR c/23103
4103         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
4104         instead of pointer equality when comparing types.
4105
4106 2005-10-24  James E. Wilson  <wilson@specifix.com>
4107
4108         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
4109         add_dependence_list_and_free calls.
4110
4111 2005-10-24  Steven Bosscher  <stevenb@suse.de>
4112
4113         * contrib.texi: Add the names of the LLNL folks who donated
4114         Cray pointer support for gfortran.
4115
4116 2005-10-24  Steven Bosscher  <stevenb@suse.de>
4117
4118         PR tree-optimization/24225
4119         * profile.c (branch_prob): Look from end to start through a
4120         basic block when looking for a locus.
4121
4122 2005-10-24  Richard Henderson  <rth@redhat.com>
4123
4124         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
4125         parallel.
4126         (hppa_expand_prologue): Likewise.
4127
4128 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4129
4130         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
4131         (NO_DEFERRED_PROFILE_COUNTERS): Define.
4132         * pa.h (NO_PROFILE_COUNTERS): Define.
4133         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
4134         (funcdef_nos): New vector to hold label numbers of deferred profile
4135         counters.
4136         (output_deferred_profile_counters): New function.
4137         (hppa_profile_hook): Push label number onto funcdef_nos.
4138         (pa_hpux_file_end): Call output_deferred_profile_counters if
4139         NO_DEFERRED_PROFILE_COUNTERS is false.
4140
4141         * pa-protos.h (get_deferred_plabel): New prototype.
4142         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
4143         Make global.
4144         (output_call): Adjust calls.
4145
4146 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
4147
4148         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
4149         peculiarity of GOT/TOC section usage.
4150
4151 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
4152
4153         PR objc/24435
4154          * c-common.c (constant_string_class_name): Add documentation.
4155
4156 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
4157
4158         PR target/23832
4159         * recog.c (peephole2_optimize): Increment peep2_current_count
4160         only when the slot is empty.
4161
4162 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4163
4164         PR ada/23957
4165         * except.c (output_function_exception_table): Call
4166         assemble_external_libcall if we need a personality function.
4167
4168 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4169
4170         PR rtl-optimization/24460
4171         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
4172         set the basic block for barriers.
4173
4174 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
4175
4176         * var-tracking.c (vt_initialize): Initialize post.
4177
4178 2005-10-21  Devang Patel  <dpatel@apple.com>
4179
4180         PR/24220
4181         * c-common.c (vector_types_convertible_p): Check vector element type.
4182
4183 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
4184
4185         * config/sh/sh.c (prepare_move_operands): Handle the address
4186         constant which is a tls symbolic address plus a constant.
4187
4188 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
4189
4190         PR driver/24473
4191         * gcc.c (main): Use the correct counter for erroring out
4192         about mulitple files.
4193
4194 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
4195
4196         PR target/24465
4197         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
4198         use r2 for 64-bit tls .got access.
4199
4200 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
4201
4202         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
4203         TRUTH_OR_EXPR.
4204
4205 2005-10-20  Steven Bosscher  <stevenb@suse.de>
4206
4207         PR tree-optimization/24307
4208         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
4209
4210 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
4211
4212         PR middle-end/24295
4213         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
4214         alias targets.
4215         * varasm.c (find_decl_and_mark_needed): After cgraph global info
4216         is ready, stop marking functions, but still mark variables.
4217
4218 2005-10-20  Richard Guenther  <rguenther@suse.de>
4219
4220         PR c++/24439
4221         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
4222         void type operands.
4223
4224 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
4225
4226         PR rtl-optimization/23585
4227         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
4228         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
4229         (may_trap_p_1): New predicate extracted from...
4230         (may_trap_p): ... here.  Invoke may_trap_p_1.
4231         (may_trap_or_fault_p): New predicate.
4232         * rtl.h (may_trap_or_fault_p): Declare it.
4233         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
4234         instead of may_trap_p.
4235         (steal_delay_list_from_fallthrough): Likewise.
4236         (fill_simple_delay_slots): Likewise.
4237         (fill_slots_from_thread): Likewise.
4238         * function.c (pad_to_arg_alignment): Rework comment about
4239         SPARC_STACK_BOUNDARY_HACK.
4240         * config/sparc/sparc.h: Likewise.
4241
4242 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
4243
4244         * config/s390/s390.c (s390_expand_insv): New.
4245         * config/s390/s390-protos.h (s390_expand_insv): Declare.
4246         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
4247         ("icm_hi"): Remove mode attribute.
4248         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
4249         Adjust all uses.
4250         ("*extracthi", "*extractqi"): Remove.
4251         (extv<mode>", "*extzv<mode>"): New.
4252         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
4253         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
4254
4255 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4256
4257         * cfgexpand.c (discover_nonconstant_array_refs_r,
4258         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
4259         (tree_expand_cfg): Call discover_nonconstant_array_refs.
4260         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
4261         discover_nonconstant_array_refs.
4262
4263 2005-10-19  Steven Bosscher  <stevenb@suse.de>
4264
4265         PR c/23228
4266         * c-decl.c (pop_scope): Don't warn about an unused variable
4267         if it is marked with TREE_NO_WARNING.
4268         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
4269         somenow mismatch and olddecl is to be replaced.
4270
4271 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
4272
4273         PR middle-end/23199
4274         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
4275         whether registers live on the edge can be saved/restored.
4276
4277 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
4278
4279         * config/sh/sh.c (fixup_mova): Skip notes.
4280
4281 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4282
4283         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
4284         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
4285         (s390_can_eliminate): Handle BASE_REGNUM elimination.
4286         (s390_initial_elimination_offset): Likewise.
4287         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
4288         register on TARGET_ZARCH targets.
4289         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
4290         (INITIAL_FRAME_POINTER_OFFSET): Remove.
4291         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
4292         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
4293
4294 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4295
4296         * config/s390/s390.md: Comment describing output modifiers updated.
4297         * config/s390/s390.c (print_operand): Likewise.
4298
4299 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4300
4301         * config/s390/s390.c (override_options): Added check for -mstack-size
4302         64k limitation.
4303         * doc/invoke.texi: Mention that limit in the documenation.
4304
4305 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
4306
4307         PR #19672
4308         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
4309
4310 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
4311
4312         Fix PR tree-optimization/24231
4313
4314         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
4315         (compute_avail): Ditto.
4316
4317 2005-10-18  Richard Henderson  <rth@redhat.com>
4318
4319         PR target/24428
4320         * config/i386/i386.c (legitimate_constant_p): Check
4321         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
4322         if LABEL_REF.
4323         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
4324         (legitimate_pic_address_disp_p): Reorg CONST checking to make
4325         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
4326         directly.
4327         (print_operand_address): Likewise.
4328         * config/i386/predicates.md (x86_64_immediate_operand): Test
4329         SYMBOL_REF_TLS_MODEL properly inside CONST.
4330         (x86_64_zext_immediate_operand): Likewise.
4331         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
4332         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
4333         * config/i386/i386-protos.h: Remove predicates.md entries.
4334
4335 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
4336
4337         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
4338         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
4339
4340 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
4341             Ian Lance Taylor <ian@airs.com>
4342
4343         PR middle-end/23522
4344         * fold-const.c (fold_widened_comparison): Do not allow range based
4345         constant folding when right operand cannot be unwidened.
4346
4347 2005-10-17  Richard Henderson  <rth@redhat.com>
4348
4349         * builtins.c (expand_builtin_synchronize): Build a new-style asm
4350         with a memory clobber.
4351
4352 2005-10-17  James E Wilson  <wilson@specifix.com>
4353
4354         PR rtl-optimization/17356
4355         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
4356         checking for EDGE_EH.
4357
4358 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
4359
4360         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
4361         the slot on an even boundary for any type with 16-byte alignment.
4362
4363 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
4364
4365         PR target/23424
4366         * md.texi (Modifiers) <%>: Clarify that % doesn't work
4367         after register allocation.
4368
4369 2005-10-17  DJ Delorie  <dj@redhat.com>
4370
4371         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
4372         as frame related.
4373
4374 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
4375
4376         PR c++/22551
4377         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
4378         overflow flags.
4379
4380 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
4381
4382         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
4383         to 2 if it's already non-zero.
4384         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
4385         is set and warn about it if flag_schedule_insns is 1.
4386
4387 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
4388
4389         * config/crx/crx.md: Compare-and-branch instructions need to
4390         invalidate CC.
4391
4392 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
4393
4394         PR target/24315
4395         * config/i386/i386.md (*pushdi2_rex64 splitter)
4396         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
4397         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
4398         flow2 pass only when (optimize > 0 && flag_peephole2).
4399
4400 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
4401
4402         PR driver/22544
4403         * gcc.c (have_c): New static variable.
4404         (have_o): Likewise.
4405         (process_command): Remove declation of have_c.
4406         Set have_o to 1 when handling -o.
4407         (main): Add a fatel error if there are multiple
4408         files specified and -o and -c/-S is passed witout
4409         -combine or multiple languages.
4410
4411 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
4412
4413         Fix PR tree-optimization/22444
4414         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
4415         Assert that we don't hit something with subvars.
4416         (setup_pointers_and_addressables): Don't add things with subvars,
4417         because we'll already process the subvars for aliasing purposes.
4418
4419 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
4420
4421         PR target/23424
4422         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
4423         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
4424         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
4425         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
4426         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
4427         swapped, alternatives for the R constraint.
4428
4429         PR middle-end/24341
4430         * builtins.c (get_builtin_sync_mode): Make unlimited
4431         mode_for_size request.
4432
4433 2005-10-15  Richard Henderson  <rth@redhat.com>
4434
4435         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
4436         (gimplify_expr): ... here.
4437         (gimplify_compound_lval): Use it in initial scan loop.  Allow
4438         fb_lvalue in base expression.
4439
4440 2005-10-15  Richard Henderson  <rth@redhat.com>
4441
4442         PR 23714
4443         * builtins.c (expand_builtin_trap): Export.
4444         * expr.h (expand_builtin_trap): Declare.
4445         * expr.c (expand_assignment): Emit a trap for integral offsets
4446         from registers that weren't reduced to bitpos.
4447
4448         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
4449         (mark_array_ref_addressable): Remove.
4450         * tree-flow.h (mark_array_ref_addressable): Remove.
4451         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
4452
4453 2005-10-15  James E Wilson  <wilson@specifix.com>
4454
4455         PR target/24232
4456         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
4457         (add_dependence_list_and_free): Likewise.
4458         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
4459         call.
4460
4461 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
4462
4463         PR 23141
4464         PR 23142
4465         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
4466         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
4467         anti-range.
4468         (vrp_visit_phi_node): Only prevent infinite iterations when
4469         the previous result and the new result are both VR_RANGEs.
4470
4471 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
4472
4473         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
4474         function comment.
4475
4476 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4477
4478         PR c/23439
4479         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
4480         to initialize loc.
4481
4482 2005-10-14  Per Bothner  <per@bothner.com>
4483
4484         PR preprocessor/21250
4485         * c-ppoutput.c (print_line): Print internal line 0 as 1.
4486
4487 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
4488
4489         PR c++/22551
4490         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
4491         overflow flags.  Refactor some conditionals.
4492
4493 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
4494
4495         PR tree-opt/21304
4496         * tree-dfa.c (add_referenced_var): Only look at decls which
4497         have TREE_CONSTANT or TREE_READONLY set instead of if
4498         !TREE_PUBLIC or !TREE_CONSTANT.
4499
4500 2005-10-13  James E Wilson  <wilson@specifix.com>
4501
4502         * doc/invoke.texi: For -x, add f95-cpp-input.
4503         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
4504
4505 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
4506
4507         PR tree-optimization/24262
4508         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
4509         in loop all the time.
4510
4511 2005-10-12  Richard Henderson  <rth@redhat.com>
4512
4513         PR c/24255
4514         * tree.h (DECL_TRANSPARENT_UNION): Remove.
4515         * function.c (assign_parm_find_data_types): Don't support it.
4516         * print-tree.c (print_node): Likewise.
4517         * c-common.c (handle_transparent_union_attribute): Likewise.
4518         Use build_duplicate_type.
4519         * tree-inline.c (remap_type_1): Split out of remap_type;
4520         properly remap aggregate fields.
4521         (build_duplicate_type): New.
4522         * doc/extend.texi (Variable Attributes): Remove documentation
4523         for transparent_union.
4524
4525 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4526
4527         PR target/24284
4528         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
4529         (gen_stack_pointer_dec): Likewise.
4530
4531 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
4532
4533         PR middle-end/21275
4534         PR middle-end/21766
4535         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
4536         target hook.
4537         (struct cxx): Add adjust_class_at_definition target hook.
4538         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
4539         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
4540         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
4541         hook_void_tree. Add to TARGET_CXX.
4542         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
4543         dllimport_flag.
4544         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
4545         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
4546         instead of attribute. Check for dllexport override.  Warn if
4547         inconsistent dll linkage. Don't lose old dllimport if decl has
4548         had address referenced.   Tweak lookup of dllimport atribute.
4549         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
4550         for target specific rules.  Don't add dllimport attribute if
4551         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
4552         dllimport attribute.
4553         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
4554         * varasm.c (initializer_constant_valid_p): Replace
4555         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
4556
4557         PR target/21801
4558         PR target/23589
4559         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
4560         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
4561         (i[34567]86-*-mingw32*): Likewise.
4562
4563         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
4564         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
4565
4566         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
4567         C++-specific code. Change return value to bool.
4568         (i386_pe_dllimport_p): Likewise.
4569         (associated_type): Simplify and make language-independent
4570         (i386_pe_encode_section_info): Replace override of ambiguous
4571         dllimport symbol refs with a gcc_assert.
4572         (i386_pe_valid_dllimport_attribute_p): Define.
4573         * config/i386/winnt-cxx.c: New file. Define C++ versions of
4574         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4575         i386_pe_adjust_class_at_definition.
4576         * config/i386/winnt-stubs.c: New file. Define stub versions of
4577         lang-specific functions.
4578         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
4579         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4580         i386_pe_adjust_class_at_definition.
4581         (i386_pe_valid_dllimport_attribute_p): Declare.
4582         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
4583         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
4584         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
4585
4586         PR target/19704
4587         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
4588         dllimport attribute with test of DECL_DLLIMPORT_P.
4589
4590 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
4591
4592         * combine.c (make_extraction): Correct offset computation.
4593
4594 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
4595
4596         * config/cris/t-linux (LIMITS_H_TEST): Define.
4597
4598 2005-10-12  Richard Henderson  <rth@redhat.com>
4599
4600         PR rtl-opt/23324
4601         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
4602
4603 2005-10-12  Richard Guenther  <rguenther@suse.de>
4604
4605         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
4606
4607 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
4608
4609         PR c++/19964
4610         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
4611         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
4612         type.
4613
4614 2005-10-12  Richard Guenther  <rguenther@suse.de>
4615
4616         PR c++/23799
4617         * varasm.c (output_constant): Correct typo from previous
4618         patch by DJ.
4619
4620 2005-10-11  Ian Lance Taylor  <ian@airs.com>
4621
4622         PR rtl-optimization/13931
4623         * combine.c: Revert patch of 2003-05-14, and:
4624         (try_combine): Only set elim_i1 and elim_i2 if the destination is
4625         completely killed in the appropriate insn.
4626         (distribute_notes): Don't skip multiple hard register test for
4627         elim_i1 and elim_i2.
4628
4629 2005-10-11  Richard Henderson  <rth@redhat.com>
4630
4631         PR c/24255
4632         * c-typeck.c (convert_for_assignment): Use build_constructor_single
4633         to initialize a transparent union instead of a nop_expr.
4634
4635 2005-10-11  Richard Henderson  <rth@redhat.com>
4636
4637         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
4638         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
4639         (tree_ssa_dce_loop): Call scev_reset.
4640
4641         PR tree-opt/24300
4642         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
4643         * tree-ssa-dce.c: Include cfgloop.h.
4644         (tree_ssa_dce_loop, pass_dce_loop): New.
4645         * tree-pass.h (pass_dce_loop): Declare it.
4646         * passes.c (init_optimization_passes): Use it.
4647
4648 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
4649
4650         PR middle-end/24263
4651         * convert.c (convert_to_real): Revert 2005-10-05 patch.
4652         Only apply the optimization for rounding builtins if the inner
4653         cast is also an extension.
4654
4655 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
4656
4657         PR tree-opt/23946
4658         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
4659         mark_new_vars_to_rename instead of update_stmt.
4660
4661 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
4662
4663         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
4664
4665 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
4666
4667         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
4668         for setting MMX register to 0 rather than mmx.
4669
4670 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
4671
4672         PR target/12098
4673         * configure.ac: Move gas check from mips specific case to common case.
4674         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
4675         * configure: Regenerate
4676         * doc/install.texi: Update.
4677
4678 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
4679
4680         PR target/24284
4681         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
4682
4683 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
4684
4685         * gcc.c (do_spec_1): Accept numeric characters in file name
4686         suffixes.
4687
4688 2005-10-10  Nick Clifton  <nickc@redhat.com>
4689
4690         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
4691         describing the deleted arm_gen_rotated_half_load function.
4692
4693 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
4694
4695         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
4696         __fpscr_values.
4697
4698 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
4699
4700         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
4701         gnu_ld assignments.
4702         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
4703         (EXTRA_MULTILIB_PARTS): Define.
4704         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4705         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4706         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
4707         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4708         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4709         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
4710
4711 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
4712
4713         PR tree-optimization/24226
4714         * tree-cfg.c (remove_bb): Clean up unreachable loops.
4715         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
4716         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
4717         Export.
4718
4719 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
4720
4721         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
4722
4723 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
4724
4725         PR target/24136
4726         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
4727         Rewrite for no need for the early clobber.
4728
4729 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4730
4731         Merge from csl-arm-branch:
4732         2005-09-07  Paul Brook  <paul@codesourcery.com>
4733         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
4734         space to string.
4735
4736         2005-04-30  Paul Brook  <paul@codesourcery.com>
4737         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
4738         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
4739
4740         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
4741         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
4742         (arm_override_options): Use TARGET_AAPCS_BASED.
4743         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
4744         (PTRDIFF_TYPE): Use int for AAPCS.
4745         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
4746         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
4747         (DEFAULT_SHORT_ENUMS): Delete.
4748         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
4749
4750         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
4751         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
4752         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
4753         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
4754
4755         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
4756         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
4757
4758         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
4759         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
4760
4761         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
4762         * config.gcc (arm*-*-linux-gnueabi): Add it.
4763         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
4764         redefining it.
4765         (TARGET_OS_CPP_BUILTINS): Likeiwse.
4766         * config/arm/linux-eabi.h: New file.
4767         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
4768         (LINUX_TARET_LINK_SPEC): Likewise.
4769         (LINK_SPEC): Use it.
4770         * config/arm/t-linux-eabi: New file.
4771
4772 2005-10-08  Steven Bosscher  <stevenb@suse.de>
4773
4774         PR other/22202
4775         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
4776         spaces.
4777         (PARAM_SMS_DFA_HISTORY): Likewise.
4778
4779 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4780
4781         PR middle-end/23150
4782         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
4783         (load_register_parameters): Call it.
4784         (check_sibcall_argument_overlap_1): Likewise.
4785         (store_one_arg): Likewise.
4786
4787 2005-10-07  James E. Wilson  <wilson@specifix.com>
4788
4789         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
4790         DImode not VECINT24 for operand 2.
4791
4792         PR target/23644
4793         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
4794         -mtune-arch.
4795
4796         PR target/24193
4797         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
4798         fr_spill): Use destination_operand for operand 0.
4799
4800 2005-10-07  DJ Delorie  <dj@redhat.com>
4801
4802         * varasm.c (output_constant): Limit error to expanding
4803         conversions.
4804
4805 2005-10-07  Richard Guenther  <rguenther@suse.de>
4806
4807         PR middle-end/24227
4808         * fold-const.c (fold_binary): Fix operand types during folding
4809         of X op (A, Y).  Evaluation order of the side-effects of
4810         X and A are frontend-defined, so ensure we honour that even for
4811         tcc_comparison class operands; eased by removing duplicate code.
4812
4813 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4814
4815         * stor-layout.c (layout_type): Do not allow alignment of array
4816         elements to be greater than their size.
4817
4818 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4819
4820         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
4821         host_xmake_file.
4822         (hppa*-*-linux*): Ditto.
4823         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
4824         * config/host-hpux.c: New.
4825         * config/x-hpux: New.
4826         * config/pa/x-hpux: Remove.
4827         * config/pa/x-linux: Remove.
4828         * config/pa/pa-host.c: Remove.
4829
4830 2005-10-07  Jeff Law  <law@redhat.com>
4831
4832         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
4833         determine whether or not to try and thread outgoing edges.
4834
4835 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
4836
4837         * config/rs6000/rs6000.md (eqsi_power): New.
4838         (neg_eq0si): Add TARGET_POWER to final condition.
4839         (neg_eqsi): Same.
4840
4841 2005-10-06  Richard Henderson  <rth@redhat.com>
4842
4843         * config/rs6000/rs6000.c: Revert last change.
4844
4845 2005-10-06  Richard Henderson  <rth@redhat.com>
4846
4847         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
4848         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
4849
4850 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
4851
4852         PR middle-end/22216
4853         PR middle-end/23651
4854         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
4855         out return_label and naked_return_label.
4856
4857 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4858
4859         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
4860         change.
4861
4862 2005-10-06  Richard Henderson  <rth@redhat.com>
4863
4864         PR tree-opt/22237
4865         * tree-inline.c (declare_return_variable): Handle modify_dest not
4866         being a DECL.
4867
4868 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4869
4870         Fix PR tree-optimization/22488
4871         * tree-ssa-structalias.c (check_for_overlaps): New function.
4872         (create_variable_info_for): Use it.
4873
4874 2005-10-06  Richard Henderson  <rth@redhat.com>
4875
4876         PR debug/24070
4877         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
4878         (dwarf2out_start_source_file): Print it.
4879
4880 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
4881
4882         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
4883
4884 2005-10-06  Richard Henderson  <rth@redhat.com>
4885
4886         PR 23706
4887         * mode-switching.c (optimize_mode_switching): Clear transp bit
4888         for block with incomming abnormal edges.
4889
4890         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
4891         (fpscr_set_from_mem): Use them.
4892         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
4893         (fpscr postinc splitters): Rewrite as peephole2+split.
4894
4895 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
4896
4897         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
4898         (eq<mode>_compare): Same.
4899
4900 2005-10-06  Richard Guenther  <rguenther@suse.de>
4901
4902         PR tree-optimization/24238
4903         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
4904
4905 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
4906
4907         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
4908         here.  Use AC_PATH_PROG for environment variables instead of
4909         test -x.
4910         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
4911         objdump also.
4912         * configure: Regenerated.
4913
4914 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
4915
4916         PR target/23783
4917         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
4918         then force it into a register.
4919         (call_value): Likewise.
4920
4921 2005-10-06  Richard Henderson  <rth@redhat.com>
4922
4923         PR 24049
4924         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
4925         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
4926         under pass_vectorize.
4927
4928 2005-10-05  Devang Patel  <dpatel@apple.com>
4929
4930         PR Debug/23205
4931         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
4932         handling constants. Check NAMESPACE_DECL context for constants.
4933
4934 2005-10-05  Eric Christopher  <echristo@apple.com>
4935
4936         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
4937
4938 2005-10-05  Richard Henderson  <rth@redhat.com>
4939
4940         PR 23714
4941         * tree-cfg.c (mark_array_ref_addressable_1): New.
4942         (mark_array_ref_addressable): New.
4943         * tree-flow.h (mark_array_ref_addressable): Declare.
4944         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
4945
4946 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
4947
4948         PR middle-end/20606
4949         PR middle-end/24069
4950         * reload.c (subst_reloads): When adding a REG_LABEL to a
4951         jump instruction, also update JUMP_LABEL.
4952
4953 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
4954
4955         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
4956         * bb-reorder.c (copy_bb_p): Use it.
4957         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
4958
4959 2005-10-05  Richard Henderson  <rth@redhat.com>
4960
4961         PR target/23602
4962         * toplev.c (process_options): Warn about unsupported combinations
4963         of unwind tables and omit-frame-pointer.
4964         * config/i386/i386.c (override_options): Similarly.  Enable
4965         accumulate-outgoing-args if not explicitly disabled.
4966
4967 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
4968
4969         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
4970         Handle big endian vs. small endian.
4971         (vec_initv2sf): Handle big endian vs. small endian.
4972         (*vec_extractv2sf_1): Ditto.
4973
4974 2005-10-05  Dale Johannesen  <dalej@apple.com>
4975
4976         * convert.c (convert_to_real):  Don't convert
4977         (float)floor(double d) to floorf((float)d).
4978
4979 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
4980
4981         * config/arm/arm.md (insv): Use gen_int_mode in more places.
4982
4983 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
4984
4985         PR tree-optimization/18587
4986         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
4987         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
4988         build_vuses): Change to VEC type.
4989         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
4990         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
4991         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
4992         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
4993         (get_name_decl): New.  Return DECL_UID of base variable.
4994         (operand_build_cmp): New.  qsort comparison routine.
4995         (operand_build_sort_virtual): New.  Sort virtual build vector.
4996         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
4997         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
4998         (FINALIZE_BASE): Use get_name_decl.
4999         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
5000         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
5001         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
5002         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
5003         direct VEC_* manipulations.
5004         (build_ssa_operands): Call operand_build_sort_virtual.
5005         (copy_virtual_operand, create_ssa_artficial_load_stmt,
5006         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
5007         with direct VEC_* manipulations.
5008         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
5009         with direct VEC manipulations.
5010
5011 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
5012
5013         PR tree-optimization/21419
5014         PR tree-optimization/24146
5015         PR tree-optimization/24151
5016
5017         * c-typeck.c (readonly_error): Handle USE being lv_asm.
5018         (build_asm_expr): Call it if outputs are read-only.
5019         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
5020
5021 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
5022             Paolo Bonzini  <bonzini@gnu.org>
5023
5024         PR target/23809
5025
5026         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
5027         enable the instructions and not just the built-ins.
5028         * doc/invoke.texi (x86 Options): Likewise.
5029
5030 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
5031
5032         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
5033
5034         * doc/invoke.texi (Option Summary): Correct spelling
5035         of -mmacosx-version-min.
5036
5037 2005-10-04  Devang Patel  <dpatel@apple.com>
5038
5039         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
5040         real types.
5041
5042 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
5043
5044         * tree-vect-transform.c (vect_create_epilog_for_reduction):
5045         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
5046
5047 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
5048
5049         * config/s390/s390.md ("TDSI","DP"): New mode macros.
5050         ("TE","tg"): New mode attributes.
5051         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
5052         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
5053         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
5054         dword_mode and one for GPRmode.
5055
5056 2005-10-04  Ian Lance Taylor  <ian@airs.com>
5057
5058         PR preprocessor/13726
5059         * c-ppoutput.c (cb_include): Add comments parameter, and print out
5060         any comments passed in.
5061
5062 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5063
5064         * tree.c (annotate_with_file_line): Fix typo.
5065
5066 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5067
5068         PR ada/19382
5069         * builtins.c (fold_builtin_memcmp): When constructing the pointer
5070         type used to access data in the inlined length == 1 case, use
5071         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
5072         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
5073
5074 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
5075
5076         * config/i386/i386.h (TARGET_FISTTP): Enable also for
5077         TARGET_SSE3 and only for TARGET_80387.
5078         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
5079         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
5080         Do not depend on TARGET_80387.
5081
5082 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5083
5084         * tree.c (last_annotated_node): Change type to location_t*.
5085         (annotate_with_file_line): Reflect the change of
5086         last_annotated_node type.
5087
5088 2005-10-04  Richard Guenther  <rguenther@suse.de>
5089
5090         PR c/23576
5091         * c-decl.c (grokdeclarator): Don't write to fields
5092         of error_mark_node.
5093
5094 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5095
5096         PR middle-end/23125
5097         * c-decl.c (finish_decl): Use set_user_assembler_name even for
5098         register variables.
5099         * varasm.c (make_decl_rtl): If a register variable does not
5100         have a set user assmbler name, error out.
5101         Decode the asmspec is now name+1 bypassing '*'.
5102
5103 2005-10-04  Steven Bosscher  <stevenb@suse.de>
5104
5105         PR tree-optimization/23049
5106         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
5107         of a COND_EXPR is folded before calling fold on the whole rhs of a
5108         conditional assignment.
5109         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
5110         document that a COND_EXPR may appear there.
5111
5112 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
5113
5114         PR 23445
5115         * tree-vrp.c (extract_range_from_assert): If the new numeric
5116         range created out of the assertion contradicts the existing
5117         numeric range of the ASSERT_EXPR variable, make the new range
5118         varying.
5119
5120 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
5121
5122         * config/sh/sh.c (sh_register_move_cost): Add case for moving
5123         from T_REGS to FP register class.
5124
5125 2005-10-03  Richard Henderson  <rth@redhat.com>
5126
5127         PR 24135
5128         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
5129         before creating a new one.
5130
5131 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
5132
5133         * config/rs6000/t-aix43 (LDFLAGS): New.
5134         * config/rs6000/t-aix52 (LDFLAGS): New.
5135
5136 2005-10-03  Ian Lance Taylor  <ian@airs.com>
5137
5138         * gimplify.c (find_single_pointer_decl_1): New static function.
5139         (find_single_pointer_decl): New static function.
5140         (internal_get_tmp_var): For a formal variable, set restrict base
5141         information if appropriate.
5142         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
5143         return it.
5144         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
5145         (DECL_GET_RESTRICT_BASE): Define.
5146         (SET_DECL_RESTRICT_BASE): Define.
5147         (decl_restrict_base_lookup): Declare.
5148         (decl_restrict_base_insert): Declare.
5149         (struct tree_decl_with_vis): Add based_on_restrict_p field.
5150         * tree.c (restrict_base_for_decl): New static variable.
5151         (init_ttree): Initialize restrict_base_for_decl.
5152         (copy_node_stat): Copy restrict base information.
5153         (decl_restrict_base_lookup): New function.
5154         (decl_restrict_base_insert): New function.
5155         (print_restrict_base_statistics): New static function.
5156         (dump_tree_statistics): Call print_restrict_base_statistics.
5157
5158 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
5159
5160         PR 24142
5161         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
5162         case of anti-ranges.
5163
5164 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
5165
5166         PR c/18851
5167         * c-typeck.c (tagged_tu_seen): Rename to ...
5168         (tagged_tu_seen_cache): this and add val field.
5169         (comptypes): Move functional to comptypes_internal
5170         and free tagged_tu_seen.
5171         (comptypes_internal): New function and call comptypes_internal
5172         instead of comptypes. Speed up by sibcalling
5173         tagged_types_tu_compatible_p.
5174         (alloc_tagged_tu_seen): New function
5175         (free_all_tagged_tu_seen_up_to): New function.
5176         (tagged_types_tu_compatible_p): Return the val of the seen two
5177         types.
5178         Add that the two types are the same to tagged_tu_seen_base
5179         if they are and call comptypes_internal instead of comptypes.
5180         <case UNION_TYPE>: Speed up common type where the fields are
5181         in the same order.
5182         (function_types_compatible_p): Call comptypes_internal instead of
5183         comptypes.
5184         (type_lists_compatible_p): Likewise.
5185         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
5186
5187 2005-10-02  Matthias Klose  <doko@debian.org>
5188
5189         * doc/invoke.texi: Fix typo and speling error.
5190
5191 2005-10-01  Richard Henderson  <rth@redhat.com>
5192
5193         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
5194
5195 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
5196
5197         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
5198         using --start-group and --end-group.
5199
5200 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
5201
5202         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
5203         FIXME note regarding quirky semantics.
5204
5205 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
5206
5207         PR 24141
5208         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
5209         non-null range as a last resort.
5210
5211 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
5212             Diego Novillo  <dnovillo@redhat.com>
5213
5214         PR 23604
5215         * tree-vrp.c (extract_range_from_assert): For !=
5216         assertions, only build an anti-range if LIMIT is a
5217         single-valued range.
5218
5219 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
5220
5221         * arm.md (movqi): On thumb when optimizing, handle loading from
5222         memory by describing this as taking a subreg of a zero-extended load
5223         into an SImode register.
5224         (movhi): Likewise.
5225
5226 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
5227
5228         * reload1.c (merge_assigned_reloads): Do not change any
5229         RELOAD_FOR_OUTPUT_ADDRESS reloads.
5230
5231 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
5232
5233         * Makefile.in (LIPO_FOR_TARGET): Define.
5234         (STRIP_FOR_TARGET): Define.
5235
5236         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
5237         before creating new ones.  Do symlinks before creating the actual
5238         targets.
5239
5240         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
5241         to work out which multilibs are actually being built.
5242
5243 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
5244
5245         * tree-vect-transform.c, config/ms1/ms1.md,
5246         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
5247         Follow spelling conventions.
5248         * doc/invoke.texi, doc/md.texi: Fix typos.
5249
5250 2005-09-30  Andrew Macleod  <amacleod@redat.com>
5251
5252         PR tree-optimization/21430
5253         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
5254         use operands, and set stmt pointer if need be.
5255         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
5256         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
5257         present.
5258
5259 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5260
5261         PR middle-end/24053
5262         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
5263
5264 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
5265
5266         * optabs.c (expand_binop): Initialize first_pass_p.
5267
5268 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
5269
5270         PR middle-end/24109
5271         * c-decl.c (c_write_global_declarations_1): If any
5272         wrapup_global_declaration_2 call returned true, restart the loop.
5273
5274 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
5275
5276         Fix PR tree-optimization/24117
5277         * tree-ssa-structalias.c (find_func_aliases): Strip nops
5278         before considering whether to use anyoffset.
5279
5280 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5281
5282         Revert this patch:
5283
5284         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5285
5286         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5287         to order operands.
5288         (swap_commutative_operands_with_target): New.
5289
5290 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5291
5292         PR c/21419
5293         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
5294         read-only.
5295
5296 2005-09-29  Steven Bosscher  <stevenb@suse.de>
5297
5298         PR tree-optimization/23911
5299         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
5300         and IMAGPART_EXPR too.
5301
5302 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
5303
5304         PR 17886
5305         * expmed.c (expand_shift): Move logic to reverse rotation
5306         direction when  rotating by constants ...
5307         * optabs.c (expand_binop): ... here.
5308         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
5309         (ix86_rotrdi3): New pattern.
5310         (rotldi3): Handle 32-bit mode.
5311         (ix86_rotldi3): New pattern.
5312
5313 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
5314
5315         PR target/24102
5316         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
5317         check for numbers that need no bit twiddle.
5318
5319 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
5320
5321         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
5322         multilib to be built.
5323
5324         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
5325         (stage1-start): Delete old libgcc and libunwind before moving
5326         anything into the stage directory.
5327         (stage2-start): Likewise.
5328         (stage3-start): Likewise.
5329         (stage4-start): Likewise.
5330         (stageprofile-start): Likewise.
5331         (stagefeedback-start): Likewise.
5332         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
5333         header in tm_file and CPU-specific t-darwin in tmake_file.
5334         (i[34567]86-*-darwin*): Don't change tm_file.
5335         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
5336         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
5337         shared library stub for target OS version.
5338         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
5339         (SHLIB_LINK): Don't make SHLIB_SOLINK.
5340         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
5341         (libgcc_s.%.dylib): New.
5342         (LIBGCC): Define.
5343         (install-darwin-libgcc-stubs): New.
5344         (INSTALL_LIBGCC): New append.
5345         * config/i386/darwin-libgcc.10.4.ver: New.
5346         * config/i386/darwin-libgcc.10.5.ver: New.
5347         * config/i386/t-darwin: New.
5348         * config/rs6000/darwin-libgcc.10.4.ver: New.
5349         * config/rs6000/darwin-libgcc.10.5.ver: New.
5350         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
5351         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
5352
5353 2005-09-28  Paul Brook  <paul@codesourcery.com>
5354
5355         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
5356         denormals.
5357
5358 2005-09-28  Richard Guenther  <rguenther@suse.de>
5359
5360         PR tree-optimization/23853
5361         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
5362         host_integerp to verify misalignment value.
5363
5364 2005-09-28  Richard Henderson  <rth@redhat.com>
5365
5366         * builtins.c (get_builtin_sync_mode): New.
5367         (expand_builtin_sync_operation): Pass in mode argument.
5368         (expand_builtin_compare_and_swap): Likewise.
5369         (expand_builtin_lock_test_and_set): Likewise.
5370         (expand_builtin_lock_release): Likewise.
5371         (expand_builtin): Update to match.
5372
5373 2005-09-28  Nick Clifton  <nickc@redhat.com>
5374
5375         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
5376         formatting.  Add check to PLUS case to ensure that the offset is
5377         within an acceptable range.
5378
5379         * config/v850/v850.md (casesi): Disable the generation of the
5380         switch pattern as it is not being handled properly at the moment.
5381
5382         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
5383         for when the high words are identical.
5384
5385 2005-09-27  Richard Henderson  <rth@redhat.com>
5386
5387         * pretty-print.c (pp_base_format): Fix typo for %>.
5388
5389 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
5390             Devang Patel  <dpatel@apple.com>
5391
5392         PR tree-optimization/23625
5393         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
5394         LABEL_EXPR, assertion check.
5395
5396 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
5397
5398         * optabs.c (no_conflict_move_test): Check if a result of a
5399         to-be-moved insn would be clobbered by an originally
5400         preceding insn.
5401
5402 2005-09-27  Jeff Law  <law@redhat.com>
5403
5404         * passes.c (init_optimization_passes): Replace copy propagation
5405         passes immediately after DOM with phi-only copy propagation
5406         pases.  Add phi-only copy propagation pass after first DOM pass.
5407         * tree-pass.h (pass_phi_only_copy_prop): Declare.
5408         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
5409         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
5410         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
5411         to init_copy_prop.  Callers updated.
5412         (do_phi_only_copy_prop): New function.
5413         (pass_phi_only_copy_prop): New pass descriptor.
5414
5415 2005-09-27  Nick Clifton  <nickc@redhat.com>
5416
5417         * libgcc2.c (__popcount_tab): Remove redundant prototype.
5418
5419 2005-09-26  Jason Merrill  <jason@redhat.com>
5420
5421         PR c++/13764
5422         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
5423
5424         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
5425
5426 2005-09-26  James E Wilson  <wilson@specifix.com>
5427
5428         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
5429         copyright.  Add gcc copyright plus libgcc exception.
5430         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
5431         copyright.
5432         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
5433
5434 2005-09-26  Jeff Law  <law@redhat.com>
5435
5436         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
5437         about when to iterate.
5438
5439 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
5440
5441         PR target/23847
5442         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
5443         for __complex__ double in -mcpu=G5 mode.
5444
5445 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
5446
5447         PR tree-optimization/23942
5448         * Makefile.in (SCEV_H): Depends on PARAMS_H.
5449         * tree-scalar-evolution.c: Include params.h.
5450         (t_bool): New enum.
5451         (follow_ssa_edge, follow_ssa_edge_in_rhs,
5452         follow_ssa_edge_in_condition_phi_branch,
5453         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
5454         Change return type to t_bool.  Use a parameter to limit the size of
5455         trees that are walked before stopping
5456         (analyze_evolution_in_loop): Initialize the limit to 0.
5457         (follow_ssa_edge): Give up by returning t_dont_know if the limit
5458         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
5459
5460 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5461
5462         PR middle-end/23831
5463         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
5464         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
5465
5466 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
5467
5468         * combine.c (make_extraction): Check for valid use of subreg.
5469
5470 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5471
5472         PR target/24055
5473         * config/i386/i386.md ("*fistdi2_1"): New pattern.
5474         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
5475         ("fist<mode>2_with_temp"): Use only register operands.
5476
5477 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
5478
5479         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
5480         CALL_INSN_FUNCTION_USAGE.
5481
5482 2005-09-26  Richard Guenther  <rguenther@suse.de>
5483
5484         PR middle-end/15855
5485         * gcse.c: Include hashtab.h, define ldst entry hashtable.
5486         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
5487         (ldst_entry): Use the hashtable instead of list-walking.
5488         (find_rtx_in_ldst): Likewise.
5489         (free_ldst_entry): Free the hashtable.
5490         (compute_ld_motion_mems): Create the hashtable.
5491         (trim_ld_motion_mems): Remove entry from hashtable if
5492         removing it from list.
5493         (compute_store_table): Likewise^2.
5494         (store_motion): Free hashtable in case we did not see
5495         any stores.
5496
5497 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
5498
5499         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
5500         and arg1 if we are passing them to fold_build2.
5501
5502 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
5503
5504         PR 23828
5505         * config/i386/i386.c (ix86_function_regparm): Fix the test for
5506         a nested function.
5507
5508 2005-09-25  Richard Henderson  <rth@redhat.com>
5509
5510         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
5511         SYMBOL_REF_TLS_MODEL to be correct.
5512
5513 2005-09-24  Richard Henderson  <rth@redhat.com>
5514
5515         * ipa-type-escape.c (discover_unique_type): Remove dead code at
5516         end of function.  Reindent.
5517
5518 2005-09-24  Ian Lance Taylor  <ian@airs.com>
5519
5520         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
5521         NEGATE_EXPR/BIT_NOT_EXPR case.
5522
5523 2005-09-24  Richard Henderson  <rth@redhat.com>
5524
5525         * c-common.c (handle_mode_attribute): When not modifying in place,
5526         create subtypes for enumerations.
5527         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
5528         * gimplify.c (create_tmp_from_val): Likewise.
5529
5530 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
5531
5532         * config/i386/i386.md (*tls_global_dynamic_64,
5533         *tls_local_dynamic_base_64): Add missing mode to call.
5534         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
5535
5536 2005-09-24  Jan Hubicka  <jh@suse.cz>
5537
5538         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
5539         (cgraph_clone_node): Likewise.
5540         * cgraph.h (cgraph_clone_edge): Update prototype.
5541         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
5542         duplicated prototypes; add updating argument.
5543         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
5544         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
5545         updating profile.
5546         (cgraph_mark_inline_edge): Likewise.
5547         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
5548         (cgraph_flatten_node): Likewise.
5549         (cgraph_decide_recursive_inlining): Likewise.
5550         (cgraph_decide_inlining_of_small_function): Likewise.
5551         * tree-optimize.c (tree_rest_of_compilation): Likewise.
5552
5553 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5554             Pete Steinmetz <steinmtz@us.ibm.com>
5555
5556         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
5557         (rldic.): Set type to "compare".
5558         (rldicr.): Same.
5559         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
5560         mfjmpr for MFCTR/MFLR.
5561         (movdf_hardfloat64): Same.
5562         (movdf_softfloat64): Same.  Correct order of store and move types.
5563         (movti_string): Set type to store_ux/load_ux.
5564         (load_multiple): Set type to load_ux.
5565         (store_multiple): Set type to store_ux.
5566         (movmemsi): Set type to store_ux.
5567         (output_cbranch direct_return): Set type to jmpreg.
5568         (stmw): Set type to store_ux.
5569         (lmw): Set type to load_ux.
5570         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
5571         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
5572         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
5573         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
5574         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
5575         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
5576         (rios1-fpstore): Increase latency to 3.
5577         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
5578         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
5579
5580 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5581             Andrew Pinski  <pinskia@physics.uc.edu>
5582
5583         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
5584         operand2 constraint to "b".
5585         (sync_<fetchop_name>di_internal): Same.
5586         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
5587         to "b".
5588         (sync_old_<fetchop_name>di_internal): Same.
5589         (sync_new_<fetchop_name>si_internal): Same.
5590         (sync_new_<fetchop_name>di_internal): Same.
5591
5592 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
5593
5594         PR middle-end/23991
5595         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
5596         case, define as macros.
5597
5598         PR rtl-optimization/23837
5599         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
5600         clobber / clobber match between dest and p->first.
5601
5602         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
5603         (no_conflict_move_test): Update comments.
5604
5605 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
5606
5607         * doc/install.texi: Update URL for Jacks.
5608         * doc/sourcebuild.texi: Likewise.
5609
5610 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
5611
5612         PR target/24007
5613         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
5614         registers when choosing register preferences.
5615         (movdf_hardfloat64): Same.
5616
5617 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
5618
5619         * expmed.c (expand_shift): Don't use the target of the rotate as
5620         target for the first expanded shift insn.
5621         * testsuite/gcc.dg/20050922-1.c: Testcase added.
5622
5623 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
5624
5625         PR tree-optimization/22438
5626         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
5627         preserved iv rhs rewriting specially.
5628
5629 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
5630
5631         * tree-data-ref.c (analyze_array_indexes): Only estimate when
5632         estimate_only  is true.
5633         * tree-flow.h (ref_contains_indirect_ref): New prototype.
5634         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
5635         tree-ssa-structalias.c
5636         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
5637         ref_contains_indirect_ref.
5638         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
5639
5640 2005-09-21  DJ Delorie  <dj@redhat.com>
5641
5642         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
5643         MASK_PTR_A0D0.
5644         (mn10300_return_in_memory): Support variable size types also.
5645         (mn10300_pass_by_reference): Likewise.
5646         (mn10300_function_value): New.
5647         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
5648         (FUNCTION_OUTGOING_VALUE): Likewise.
5649         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
5650         * doc/invoke.texi: Document it.
5651
5652 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
5653
5654         PR target/22585
5655         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
5656         force integer op1 into register for XFmode compares.
5657
5658 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
5659
5660         PR middle-end/23971
5661         * expmed.c (alg_code): Add alg_impossible.
5662         (alg_hash_entry): Add cost.
5663         (synth_mult): Record alg_impossible in the hash table if
5664         multiplication by a given integer is impossble within the
5665         limit.  Speed up using alg_impossible.
5666
5667 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5668
5669         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
5670         argument.  Allow and set any offset if needs_anyoffset is passed
5671         in.
5672         (get_constraint_for): Add argument here too.
5673         Pass it down.
5674         (do_structure_copy): Pass NULL to get_constraint_for.
5675         (handle_ptr_arith): Ditto.
5676         (find_func_aliases): Ditto.
5677
5678 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
5679
5680         PR rtl-optimization/23898
5681         * output.h (get_attr_min_length): Declare.
5682         * final.c (get_attr_length_1): New function, broken out of:
5683         (get_attr_length).
5684         (get_attr_min_length): New function.
5685         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
5686         (duplicate_computed_gotos): Likewise.
5687         * genattr.c (insn_min_length): Generate declaration.
5688         * genattrtab.c (min_fn, min_attr_value): New functions.
5689         (make_length_attrs): Generate insn_min_length.
5690
5691 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
5692
5693         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
5694
5695 2005-09-20  Richard Henderson  <rth@redhat.com>
5696
5697         PR tree-optimization/24059
5698         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
5699         EXPAND_STACK_PARM.
5700
5701 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
5702
5703         * c.opt (fextended-identifiers): New.
5704         * c-opts.c (c_common_handle_option): Handle
5705         -fextended-identifiers.
5706         * doc/cpp.texi: Update documentation of extended identifiers.
5707         * doc/cppopts.texi (-fextended-identifiers): Document.
5708
5709 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
5710
5711         PR tree-optimization/23929
5712         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
5713         if expr is NULL.
5714
5715         PR tree-optimization/23818
5716         * tree-stdarg.c (execute_optimize_stdarg): Call
5717         calculate_dominance_info.
5718
5719 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5720
5721         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
5722         (analyze_siv_subscript_cst_affine): Add weak SIV test.
5723         (compute_overlap_steps_for_affine_1_2): Use
5724         get_number_of_iters_for_loop.
5725         (analyze_subscript_affine_affine): Check whether difference is
5726         zero first.
5727         Use get_number_of_iters_for_loop.
5728         Check whether overlap occurs outside of bounds.
5729         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
5730
5731 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
5732
5733         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
5734         base register if possible.
5735
5736 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
5737
5738         PR tree-optimization/18463
5739         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
5740         converting it directly is not possible.
5741         (chrec_convert_aggressive): New function.
5742         * tree-chrec.h (chrec_convert_aggressive): Declare.
5743         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
5744         Fold chrec conversions aggressively if asked to.
5745         (instantiate_parameters): Modified because of changes in
5746         instantiate_parameters_1.
5747
5748 2005-09-19  Richard Henderson  <rth@redhat.com>
5749
5750         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
5751         (reduc_splus_v2df): New.
5752
5753 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
5754
5755         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
5756         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
5757
5758 2005-09-19  Richard Henderson  <rth@redhat.com>
5759
5760         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
5761         vcondu<SSEMODE12>.
5762
5763 2005-09-19  Richard Henderson  <rth@redhat.com>
5764
5765         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
5766         (ia64_expand_dot_prod_v8qi): New.
5767         * config/ia64/ia64-protos.h: Update.
5768         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
5769         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
5770         sdot_prodv8qi, sdot_prodv4hi): New.
5771         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
5772
5773 2005-09-19  Richard Henderson  <rth@redhat.com>
5774
5775         PR 23941
5776         * real.c (exact_real_truncate): Return false if the format cannot
5777         represent the number as a normal.
5778
5779         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
5780         for a memory source.
5781
5782 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
5783
5784         * tree-ssa-operands.c (swap_tree_operands): Export.
5785         * tree.h (swap_tree_operands): Declare.
5786         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
5787         Call swap_tree_operands.
5788
5789 2005-09-19  Richard Henderson  <rth@redhat.com>
5790
5791         * tree-flow.h (merge_alias_info): Declare.
5792         * tree-ssa-copy.c (merge_alias_info): Export.
5793         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
5794         (vect_create_data_ref_ptr): Use create_iv directly.
5795         (vectorizable_load): Use correct types for integer constants.
5796         (vect_generate_tmps_on_preheader): Likewise.
5797         (vect_gen_niters_for_prolog_loop): Likewise.
5798
5799 2005-09-19  Steven Bosscher  <stevenb@suse.de>
5800
5801         PR rtl-optimization/23943
5802         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
5803
5804 2005-09-18  Jan Hubicka  <jh@suse.cz>
5805
5806         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
5807
5808 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
5809
5810         * varasm.c (output_constant): Do not abort on conversions to union
5811         types between different sizes.
5812
5813 2005-09-18  Richard Guenther  <rguenther@suse.de>
5814
5815         PR middle-end/23944
5816         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
5817         fallback.
5818
5819 2005-09-18  Paul Brook  <paul@codesourcery.com>
5820
5821         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
5822
5823 2005-09-17  Richard Henderson  <rth@redhat.com>
5824
5825         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
5826         * tree-ssa-loop.c (pass_vect_dce): Remove.
5827         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
5828         of pass_vectorize.
5829
5830 2005-09-17  Richard Henderson  <rth@redhat.com>
5831
5832         * tree-pass.h (pass_vect_dce): Declare.
5833         * passes.c (init_optimization_passes): Add it.
5834         * tree-flow.h (tree_ssa_dce): Declare.
5835         * tree-ssa-dce.c (tree_ssa_dce): Export.
5836         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
5837         (gate_tree_vectorize): ... here.
5838         (pass_vect_dce): New.
5839
5840 2005-09-17  Jan Hubicka  <jh@suse.cz>
5841
5842         * except.c (struct eh_status): Turn region_array into vec.
5843         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
5844         convert_from_eh_region_ranges, find_exception_handler_labels,
5845         current_function_has_exception_handlers, assign_filter_values,
5846         build_post_landing_pads, dw2_build_landing_pads,
5847         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
5848         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
5849         foreach_reachable_handler, can_throw_internal_1,
5850         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
5851         region_array.
5852         (duplicate_eh_region_1): Update region_array.
5853         (duplicate_eh_regions): Resize region_array and avoid recomputing.
5854
5855 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
5856
5857         PR middle-end/22067
5858         * expmed.c (expand_mult): Substitute simple register for op0 when
5859         computing max_cost.
5860
5861 2005-09-17  Richard Henderson  <rth@redhat.com>
5862
5863         * expr.c (emit_move_via_integer): Add force argument, pass it on
5864         to emit_move_change_mode.  Update callers.
5865         (emit_move_complex): Pass true to new force argument.
5866         * function.c (expand_function_end): Move expand_eh_return call
5867         earlier.  Merge sub-word complex values into a pseudo before
5868         copying to the return hard register.
5869
5870 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
5871
5872         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
5873         between different sizes.
5874
5875 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
5876
5877         PR 23903
5878
5879         * passes.c (init_optimization_passes): Register dump files for
5880         IPA passes first.
5881
5882 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
5883
5884         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
5885         * config/s390/s390.c (s390_overlap_p): New function.
5886         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
5887         peephole2, "*xc" peephole2): Added overlap check to the peephole2
5888         condition.
5889
5890 2005-09-16  Richard Guenther  <rguenther@suse.de>
5891
5892         * ipa-pure-const.c (static_execute): Free auxiliar information.
5893         * ipa-type-escape.c (discover_unique_type): Free temporary key.
5894         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
5895
5896 2005-09-15  DJ Delorie  <dj@redhat.com>
5897
5898         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
5899
5900 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5901
5902         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5903         to order operands.
5904         (swap_commutative_operands_with_target): New.
5905
5906 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
5907
5908         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
5909         parameter.
5910         Update callers.
5911         (estimate_iters_using_array): New function.
5912         * tree-data-ref.h (estimate_iters_using_array): Prototype
5913         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5914         Use estimate_iters_using_array instead of analyze_array.
5915
5916 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
5917
5918         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
5919         as addressable.
5920
5921 2005-09-15  Michael Matz  <matz@suse.de>
5922
5923         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
5924
5925 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
5926
5927         PR tree-optimization/23835
5928         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
5929         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
5930
5931 2005-09-14  Richard Henderson  <rth@redhat.com>
5932
5933         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
5934         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
5935
5936 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
5937
5938         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
5939         in the ARRAY_TYPE case.
5940
5941 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
5942
5943         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
5944
5945 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
5946
5947         PR middle-end/22480
5948         * tree-vect-transform.c (vectorizable_operation): Return false for
5949         scalar shift operations and for vector shift operations with
5950         non-invariant shift arguments.  Use scalar tree operand op1 as
5951         a shift operand when vector shift insn pattern uses scalar shift
5952         operand.
5953         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
5954
5955 2005-09-14  Olivier Hainque  <hainque@adacore.com>
5956
5957         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
5958         value if it has side-effects.
5959
5960 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
5961
5962         PR target/22068
5963         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
5964
5965 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
5966
5967         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
5968         passed as NAME as if it were label at start of function code.
5969
5970 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
5971
5972         * config/sh/sh.md (*movv4sf_i): Add general register cases to
5973         the constraints.
5974
5975 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
5976
5977         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
5978         as early clobber.  Rewrite so the PIC register is not implicitly used.
5979
5980 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5981
5982         * tree.c (annotate_with_file_line): Compare line numbers before
5983         file names.
5984
5985 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
5986
5987         PR target/23816
5988         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
5989         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
5990
5991 2005-09-13  Ian Lance Taylor  <ian@airs.com>
5992
5993         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
5994         than a HOST_WIDEST_INT to gen_doloop_begin.
5995
5996 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
5997
5998         * tree-dfa.c (dump_variable): Guard against NULL annotations.
5999
6000 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
6001
6002         PR tree-optimize/23817
6003         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
6004
6005 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
6006
6007         PR target/23774
6008         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
6009         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
6010         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
6011         (restore_stack_nonlocal): Likewise.
6012         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
6013
6014 2005-09-12  Ian Lance Taylor  <ian@airs.com>
6015
6016         PR g++/7874
6017         * c.opt (ffriend-injection): New C++ option.
6018         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
6019         (C++ Dialect Options): Document -ffriend-injection.
6020
6021 2005-09-12  Josh Conner  <jconner@apple.com>
6022
6023         PR middle-end/23237
6024         * ipa-reference.c (static_execute): Don't mark variables in
6025         named sections TREE_READONLY.
6026
6027 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
6028
6029         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
6030         stack_tie.
6031
6032 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
6033
6034         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
6035         V_MUST_DEF instead of just the first_use_p.
6036         Don't mark the virtual variables for renaming on the statement which
6037         is being removed.
6038         (pass_dse): Remove TODO_update_ssa.
6039
6040 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
6041
6042         PR middle-end/23290
6043         * stor-layout.c (compute_record_mode): For records with a single
6044         field, actually check the field's mode size against the type size.
6045
6046         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
6047         registers for TARGET_SHMEDIA.
6048         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
6049         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
6050         of GENERAL_REGS and FP_REGS.
6051
6052 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
6053
6054         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
6055
6056 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
6057
6058         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
6059         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
6060         are omitted.  Exclude stack_tie insn too.
6061
6062 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
6063
6064         PR rtl-optimization/23098
6065         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
6066         0.0f is easy.
6067         * config/rs6000/rs6000.md (movdf splitter): Use
6068         const_double_operand predicate for TARGET_POWERPC64.
6069         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
6070         SYMBOL_REF method to ABI_V4.
6071
6072         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
6073         replace_equiv_address.
6074         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
6075         rs6000_sr_alias_set and MEM_NOTRAP.
6076         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
6077
6078 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
6079
6080         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
6081         handle CALL_EXPR again.
6082
6083 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
6084
6085         * arm/predicates.md (alignable_memory_operand): Delete.
6086
6087 2005-09-10  Richard Henderson  <rth@redhat.com>
6088
6089         PR debug/23806
6090         * dbxout.c (dbxout_expand_expr): New.
6091         (dbxout_symbol): Use it.
6092
6093 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
6094
6095         * arm.c (arm_gen_rotated_half_load): Delete.
6096         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
6097         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
6098         (thumb_set_return_address): Likewise.
6099         (thumb_load_double_from_address): Use adjust_address.
6100         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
6101         (extendhsisi2_mem, movhi_bytes): Use change_address.
6102         (movhi): Use widen_memory_access.
6103         (reload_out_df): Use replace_equiv_address.
6104         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
6105
6106 2005-09-09  Richard Henderson  <rth@redhat.com>
6107
6108         PR debug/20998
6109         * dbxout.c: Include expr.h.
6110         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
6111         (dbxout_symbol): Handle DECL_VALUE_EXPR.
6112         * Makefile.in (dbxout.o): Add EXPR_H.
6113
6114 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
6115
6116         PR tree-optimization/23509
6117         * tree-cfg.c (replace_uses_by): Use replace_exp.
6118         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
6119         pointers have name_mem_tag or type_mem_tag set.
6120
6121 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
6122
6123         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
6124         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
6125         of wrongly accessing operands.
6126
6127 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
6128
6129         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
6130         * tree-chrec.c: Include tree-scalar-evolution.h.
6131         (chrec_convert): Instantiate the base and step before calling
6132         scev_probably_wraps_p that would fail on parametric evolutions.
6133         Collect all the fails into a single section failed_to_convert,
6134         print a diagnostic, and return chrec_dont_know instead of calling
6135         fold_convert.
6136         * tree-scalar-evolution.c (loop_closed_phi_def): New.
6137         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
6138         phi nodes.
6139         (scev_const_prop): Don't replace the definition of a loop closed ssa
6140         phi node by itself, or by another loop closed ssa phi node.
6141         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
6142         that base and step are defined.
6143
6144 2005-09-09  Richard Guenther  <rguenther@suse.de>
6145
6146         PR c++/23624
6147         * fold-const.c (fold_ternary): Check truth_value_p before
6148         calling invert_truthvalue.
6149
6150 2005-09-09  Nick Clifton  <nickc@redhat.com>
6151
6152         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
6153         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
6154         dimension of these arrays.
6155         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
6156         these arrays.
6157         * longlong.h: Only provide a prototype for the __clz_tab[] array
6158         if this header has not been included from libgcc2.h.
6159         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
6160         defining own types.
6161         Provide prototypes for exported functions.
6162         Use the __clz_tab[] and __popcount_tab[] arrays provided by
6163         libgcc2.c.
6164
6165 2005-09-08  Josh Conner  <jconner@apple.com>
6166
6167         PR c++/21135
6168         PR c++/23180
6169         * expr.c (expand_expr_addr_expr_1): Don't invoke
6170         expand_simple_binop for EXPAND_INITIALIZER.
6171
6172 2005-09-08  Richard Henderson  <rth@redhat.com>
6173
6174         PR debug/23190
6175         * toplev.c (wrapup_global_declaration_1): Split out ...
6176         (wrapup_global_declaration_2): ... from ...
6177         (wrapup_global_declarations): ... here.  Return bool.
6178         (check_global_declaration_1): Split out ...
6179         (check_global_declarations): from here.
6180         (emit_debug_global_declarations): New.
6181         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
6182         check_global_declaration_1, emit_debug_global_declarations): Declare.
6183         * c-decl.c (c_write_global_declarations_1): Don't create a vector
6184         of decls.  Call wrapup_global_declaration_1,
6185         wrapup_global_declaration_2, check_global_declaration_1 directly.
6186         (c_write_global_declarations_2): New.
6187         (ext_block): New.
6188         (c_write_global_declarations): Call c_write_global_declarations_2.
6189         * langhooks.c (write_global_declarations): Call
6190         emit_debug_global_declarations.
6191
6192         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
6193         remove decls that have DECL_RTL_SET_P.
6194         * passes.c (rest_of_decl_compilation): Invoke
6195         cgraph_varpool_finalize_decl for all but functions.
6196
6197 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
6198
6199         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
6200         the result of a conversion if the new min and max cannot be compared.
6201
6202 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
6203
6204         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
6205         (override_options): Setting s390_sr_alias_set removed.
6206         (save_fpr, save_gprs): Set alias set to vararg or frame.
6207         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
6208         s390_sr_alias_set with get_frame_alias_set ().
6209         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
6210         get_varargs_alias_set ().
6211
6212 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
6213
6214         PR objc/20574
6215         PR objc/19324
6216         * c-parser.c (c_parser_objc_method_definition): If the next
6217         token is not "{", error out and don't start the function.
6218
6219 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
6220
6221         * tree-vrp.c (extract_range_from_expr): Move the check for non
6222         nullness after the check for gimple invariant.
6223
6224 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6225
6226         * tree.c (host_integerp, tree_low_cst): Correct function comment.
6227
6228 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6229
6230         PR target/23747
6231         * config/m32r.md (movmemsi_internal): Canonicalize order of
6232         operands in PLUS component of template.
6233
6234 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
6235
6236         * reload1.c (fixup_eh_region_note): Remove assertion.
6237         (fixup_abnormal_edges): Reverted removal of call to
6238         find_many_sub_basic_blocks made on 2005-08-31.
6239
6240 2005-09-07  Richard Henderson  <rth@redhat.com>
6241
6242         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
6243         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
6244         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
6245         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
6246         rearrange for better packing.
6247         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
6248         (lookup_cfa_1): Remove inline marker.
6249         (cfa_equal_p): Split out of ...
6250         (def_cfa_1): ... here.  Use INVALID_REGNUM.
6251         (build_cfa_loc): Handle !cfa->indirect.
6252         (frame_pointer_cfa_offset): New.
6253         (dbx_reg_number): Assert register elimination performed; do
6254         leaf register remapping.
6255         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
6256         (eliminate_reg_to_offset): New.
6257         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
6258         for verifiably local stack frame addresses; re-base to CFA.
6259         (mem_loc_descriptor): Remove can_use_fbreg argument.
6260         (concat_loc_descriptor, loc_descriptor): Likewise.
6261         (containing_function_has_frame_base): Remove.
6262         (rtl_for_decl_location): Don't do register elimination or
6263         leaf register remapping here.
6264         (secname_for_decl): Split out from ..
6265         (add_location_or_const_value_attribute): ... here.
6266         (convert_cfa_to_loc_list): New.
6267         (compute_frame_pointer_to_cfa_displacement): New.
6268         (gen_subprogram_die): Use them.
6269         * tree.h (frame_base_decl): Remove.
6270         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
6271         (prologue_stack_adjust): Remove.
6272         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
6273         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
6274         (set_frame_base_location): Remove.
6275         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
6276         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
6277         (vt_add_function_parameters): Don't eliminate_regs.
6278         (vt_initialize): Don't create frame_base_decl.
6279
6280 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6281
6282         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
6283         version of GNU binutils for 4.x and later.
6284
6285 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
6286
6287         * ggc-page.c (ggc_push_context): Remove.
6288         (ggc_pop_context): Likewise.
6289         * ggc.h (ggc_push_context): Remove.
6290         (ggc_pop_context): Likewise.
6291
6292 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6293
6294         PR target/8973
6295         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
6296         returning from an interrupt handler.
6297
6298 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6299
6300         PR target/8972
6301         * config/arc/arc.c (output_shift): Add check for loop count when
6302         optimizing.
6303
6304 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6305
6306         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
6307         form manually.
6308         (abs_replacement): Likewise.
6309         (pass_phiopt): Remove TODO_update_ssa.
6310
6311 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6312
6313         PR c/23075
6314         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
6315         if "return with no value, in function returning non-void" warning
6316         has been issued.
6317         * tree-cfg.c (execute_warn_function_return): Don't look at
6318         RETURN_EXPRs with TREE_NO_WARNING set.
6319
6320         PR target/22362
6321         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
6322         for internal functions doesn't use registers used by global registers
6323         variables.  Use fewer register parameters if there are global register
6324         variables.
6325
6326 2005-09-06  Olivier Hainque  <hainque@adacore.com>
6327             Eric Botcazou  <ebotcazou@adacore.com>
6328
6329         PR middle-end/14997
6330         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
6331         when we would be extracting outside its bit span (bitpos+bitsize
6332         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
6333         Ada unchecked conversions.
6334
6335 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6336
6337         * tree-ssa-pre.c (try_look_through_load): New function.
6338         (compute_avail): Use it to try to look through loads for some
6339         more useful expressions.
6340
6341 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6342
6343         * simplify-rtx.c (simplify_binary_operation_1): Correct the
6344         condition for detecting cases like (a&a) and (a^a).
6345
6346 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
6347
6348         * common.opt: Add option ftree-vect-loop-version.
6349         * params.def: Add --param vect-max-version-checks.
6350         * doc/invoke.texi: Document ftree-vect-loop-version and
6351         --param vect-max-version-checks.
6352         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
6353         may_misalign_stmts and defines for accessors.
6354         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
6355         LOOP_VINFO_MAY_MISALIGN_STMTS.
6356         (destroy_loop_vec_info): VEC_free for
6357         LOOP_VINFO_MAY_MISALIGN_STMTS.
6358         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
6359         Update documentation.
6360         (vect_update_misalignment_for_peel): New.
6361         (vect_enhance_data_refs_alignment): Update to choose loop
6362         peeling or loop versioning if appropriate for the (potentially)
6363         unaligned data references in the loop.
6364         (vect_analyze_data_refs_alignment): Remove call to
6365         vect_enhance_data_refs_alignment so the checks can be done
6366         earlier.
6367         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
6368         and move up call to vect_analyze_data_refs_alignment.
6369         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
6370         (vect_transform_loop): Add call to loop_version.
6371
6372 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6373
6374         PR rtl-optimization/23098
6375         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
6376         * simplify-rtx.c (constant_pool_reference_p): New function.
6377         * rtl.h (constant_pool_reference_p): New prototype.
6378         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
6379         constant_pool_reference_p in condition and
6380         avoid_constant_pool_reference in preparation statements.
6381
6382 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
6383
6384         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
6385         STRICT_LOW_PART SETs.
6386
6387 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
6388
6389         PR middle-end/21460
6390         * except.c (sjlj_emit_function_enter): Find the function begin
6391         note even when it's not in first basic block.
6392
6393 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
6394
6395         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
6396         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
6397         * aclocal.m4: Regenerate.
6398
6399 2005-09-05  DJ Delorie  <dj@redhat.com>
6400
6401         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
6402         of macro.
6403
6404 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
6405
6406         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
6407         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
6408         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
6409         Follow spelling conventions.
6410         * doc/invoke.texi: Follow spelling conventions.
6411
6412 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6413
6414         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
6415         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
6416         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
6417
6418 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6419
6420         PR target/23683
6421         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
6422         (output_stack_adjust): Use gen_tmp_stack_mem.
6423         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
6424         (sh_set_return_address, sh_allocate_initial_value): Likewise.
6425         (sh_get_pr_initial_val): Likewise.
6426         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
6427         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
6428         * sh.md (divsi_inv_m0): Use gen_const_mem.
6429         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
6430         (movdf_i4+1): Use gen_tmp_stack_mem.
6431         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
6432         (fpu_switch+2): Likewise.
6433         (movv4sf_i, movv16sf_i): Use adjust_address.
6434         (symGOT_load): Set MEM_NOTRAP_P bit.
6435
6436 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6437
6438         PR target/23721
6439         * pa.c (emit_move_sequence): Fix typo in last change.
6440
6441 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
6442
6443         PR rtl-optimization/23454
6444         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
6445         is true.
6446
6447 2005-09-03  Richard Henderson  <rth@redhat.com>
6448             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6449
6450         PR middle-end/23671
6451         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
6452         gen_rtx_MEM.
6453
6454 2005-09-02  Nicolas Pitre <nico@cam.org>
6455
6456         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
6457         to bit_count to 32 bits.
6458
6459 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
6460
6461         PR c++/23167
6462         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
6463         generating synthetic loads from volatile lvalues.
6464
6465 005-09-02  Nick Clifton  <nickc@redhat.com>
6466
6467         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
6468         __ctzhi2, __clzhi2): New functions.
6469
6470 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
6471
6472         PR middle-end/23547
6473         * tree-nested.c (struct var_map_elt): Mark with GTY.
6474         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
6475         var_map_elt.
6476         (lookup_field_for_decl): Allocate new element in GC memory.
6477         (lookup_tramp_for_decl): Likewise.
6478         (convert_nl_goto_reference): Likewise
6479         (create_nesting_tree): Allocate info in GC memory. Likewise for
6480         info->var_map.
6481         (free_nesting_tree): Free with ggc_free instead of free.
6482         (root): New static variable.
6483         (lower_nested_functions): Remove root as local variable.  And zero out
6484         root at the end of the function.
6485
6486 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
6487
6488         PR rtl-optimization/20365
6489         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
6490         to short.  New member ix.
6491         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
6492         (simplify_plus_minus): Initialize ix members before calling qsort.
6493
6494 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
6495
6496         PR tree-optimization/23626
6497         * tree-cfg.c (replace_uses_by): Clean up eh info.
6498
6499 2005-09-01  DJ Delorie  <dj@redhat.com>
6500
6501         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
6502         fprintf.
6503
6504 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
6505
6506         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
6507         (rs6000_split_multireg_move): Use replace_equiv_address instead of
6508         gen_rtx_MEM.
6509
6510 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
6511
6512         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
6513         do not issue warning for a variable definition following
6514         a declaration.
6515
6516 2005-09-01  Richard Henderson  <rth@redhat.com>
6517
6518         PR 23668
6519         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
6520         conversion to CONST_VECTOR.
6521
6522 2005-09-01  Richard Henderson  <rth@redhat.com>
6523
6524         PR 23676
6525         * reload1.c (reload_as_needed): Check !CALL_P before calling
6526         fixup_eh_region_note.
6527         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
6528
6529 2005-09-01  DJ Delorie  <dj@redhat.com>
6530
6531         * varasm.c (output_constant): Let the target resolve
6532         conversions of addresses to non-default pointer sizes.
6533
6534 2005-09-01  Nicolas Pitre <nico@cam.org>
6535
6536         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
6537         to alow matching ARM pre-indexed addressing mode.
6538         (arm_override_options): Remove now irrelevant comment.
6539
6540 2005-09-01  Phil Edwards  <phil@codesourcery.com>
6541
6542         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
6543         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
6544         * config/i386/vxworks.h:  Likewise.
6545         * config/i386/t-vxworksae:  New file, for VxWorks AE.
6546         * config/i386/vxworksae.h:  Likewise.
6547
6548 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
6549
6550         PR tree-optimization/23410
6551         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
6552         sequence is not wrapping during the first step.
6553
6554 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6555
6556         PR debug/7241
6557         * dwarf2out.c (base_type_die): Compare char_type_node with
6558         TYPE_MAIN_VARIANT (type), not type.
6559
6560 2005-09-01  Richard Guenther  <rguenther@suse.de>
6561
6562         PR tree-optimization/15366
6563         * common.opt: Add -finline-functions-called-once.
6564         Put -fearly-inlining in alphabetically ordered place.
6565         * doc/invoke.texi: Document new option.
6566         * ipa-inline.c (cgraph_decide_inlining): Honour
6567         flag_inline_functions_called_once.
6568
6569 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6570
6571         PR rtl-optimization/23478
6572         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
6573         (alloc_qty): Initialize it.
6574         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
6575         (combine_regs): Combine also n_throwing_calls_crossed fields.
6576         (find_free_reg): Don't attempt to caller-save pseudos crossing
6577         calls that might throw.
6578         * global.c (struct allocno): Add throwing_calls_crossed field.
6579         (global_alloc): Revert 2005-08-22 change.  Initialize
6580         throwing_calls_crossed.
6581         (find_reg): Don't attempt to caller-save pseudos crossing calls that
6582         might throw.
6583
6584 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
6585
6586         PR target/23649
6587         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
6588         (mask64_operand): Reinstate code prior to 2005-06-11 change.
6589         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
6590         (and64_2_operand): Tweak to use predicate.
6591         (and_operand): Adjust for mask_operand changes.
6592         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
6593         (print_operand): Likewise.
6594         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
6595         (mask64_1or2_operand): Delete.
6596         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
6597         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
6598         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
6599         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
6600         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
6601         (rotldi3_internal4): Likewise.
6602         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
6603         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
6604         (ashldi3_internal7): Likewise.
6605         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
6606         (ashldi3_internal, ashldi3_internal9 split): Likewise.
6607         (anddi3 split): Don't match mask64_operand.
6608         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
6609         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
6610         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
6611         't' splitter predicate.
6612         (movdi_internal64 + 2): Revert 2005-06-11 change.
6613
6614 2005-08-31  DJ Delorie  <dj@redhat.com>
6615
6616         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
6617         (m32c_asm_integer): Add support for 32 bit pointers.
6618
6619 2005-08-31  Richard Henderson  <rth@redhat.com>
6620
6621         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
6622         component-like references for setting MEM_NOTRAP_P.
6623
6624         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
6625         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
6626
6627 2005-08-31  Richard Henderson  <rth@redhat.com>
6628
6629         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
6630         into a pseudo before applying gen_lowpart.
6631
6632 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
6633
6634         * doc/install.texi (Specific): Update cctools version required
6635         for full functionality.
6636         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
6637         linkers as -macosx_version_min.
6638
6639 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
6640
6641         PR target/21255
6642         * sh.c (print_operand, %R and %S): Add handling of floating point
6643         registers, memory, constants and invalid operands.
6644
6645 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
6646
6647         * ipa-pure-const.c: Change dump name.
6648
6649 2005-08-31 Uros Bizjak <uros@kss-loka.si>
6650
6651         PR target/23570
6652         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
6653         to "reg_or_0_operand".
6654         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
6655
6656 2005-08-31  Dale Johannesen  <dalej@apple.com>
6657
6658         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
6659         loops that count down.
6660
6661 2005-08-31  Richard Henderson  <rth@redhat.com>
6662
6663         PR rtl-opt/23601
6664         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
6665         (fixup_eh_region_note): New.
6666         (reload_as_needed): Call it.
6667         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
6668         don't call find_many_sub_basic_blocks; call verify_flow_info.
6669         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
6670         (keep_stack_depressed): Likewise.
6671         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
6672
6673 2005-08-31  Richard Henderson  <rth@redhat.com>
6674
6675         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
6676         fp return matching.
6677
6678 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
6679
6680         * expr.c (expand_expr_real_1): Compare size of address
6681         mode to target's address mode size in deciding expansion of
6682         the constant address.
6683
6684 2005-08-31  Richard Guenther  <rguenther@suse.de>
6685
6686         PR middle-end/23477
6687         * expr.c (all_zeros_p): New function.
6688         (expand_expr_real_1): Handle the case of an all-zero
6689         non-addressable constructor separately.
6690
6691 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
6692
6693         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
6694         arguments, adjust all callers.
6695         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
6696
6697 2005-08-30  Richard Henderson  <rth@redhat.com>
6698
6699         PR target/23630
6700         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
6701         whenever the mode sizes match.
6702
6703 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
6704
6705         * calls.c (load_register_parameters): Fix comment typo.
6706         * expr.c (emit_push_insn): Comment formatting.
6707
6708 2005-08-30  Ian Lance Taylor  <ian@airs.com>
6709
6710         * config/i386/x-cygwin (host-cygwin): Change dependency from
6711         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
6712
6713 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
6714
6715         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
6716         parts of 'vals'.
6717
6718 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
6719
6720         PR middle-end/23408
6721         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
6722         call to ggc_collect.
6723
6724 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
6725
6726         PR bootstrap/21268
6727         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
6728         beginning.  Remove $(INCLUDES) from all the rules, if following
6729         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
6730
6731 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
6732
6733         PR middle-end/23484
6734         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
6735         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
6736         not constant, but maxlen is, don't set len to maxlen, rather
6737         set maxlen to len if len is a constant.
6738
6739 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
6740
6741         PR tree-optimization/23475
6742         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
6743         and counts.
6744
6745 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
6746
6747         Fix PR middle-end/22455
6748
6749         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
6750         Checksum only the parts of the tree that exist for the tree code.
6751
6752 2005-08-28  Dale Johannesen  <dalej@apple.com>
6753
6754         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
6755
6756 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
6757
6758         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
6759
6760 2005-08-28  Richard Henderson  <rth@redhat.com>
6761
6762         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
6763         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
6764         of char_type_node.
6765
6766 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
6767
6768         PR ada/23593
6769         * builtins.c (get_memory_rtx): Don't strip nops
6770         in between COMPONENT_REFs.
6771
6772 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
6773
6774         PR middle-end/23463
6775         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
6776         types.
6777         (gimplify_modify_expr): Check for zero sized types and gimplify the
6778         rhs and lhs as statements.
6779
6780 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
6781
6782         PR libgcj/23508
6783         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
6784         state for return address column of signal frames.
6785
6786 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
6787
6788         PR target/23539
6789         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
6790         bytes >= 2 not bytes == 2.
6791         (expand_block_move): Same.
6792
6793 2005-08-27  Richard Guenther  <rguenther@suse.de>
6794
6795         PR target/23575
6796         * config/i386/sse.md (sse2_movsd): Add missing closing
6797         braces.
6798
6799 2005-08-27  Paul Brook  <paul@codesourcery.com>
6800
6801         * genrecog.c (enum decision_type): Add DT_num_insns.
6802         (struct decision_test): Add u.num_insns.
6803         (add_to_sequence): Add DT_num_insns test.
6804         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
6805         (write_cond, debug_decision_2): Ditto.
6806         (change_state): Assume peep2_next_insn never fails.
6807         Remove "afterward" argument.
6808         (write afterward, write_tree): Update to match.
6809         * recog.c (peep2_current_count): New variable.
6810         (peep2_next_insn): Check it.
6811         (peephole2_optimize): Set peep2_current_count.
6812         * recog.h (peep2_current_count): Declare.
6813
6814 2005-08-26  Josh Conner  <jconner@apple.com>
6815
6816         PR middle-end/23584
6817         * ipa-pure-const.c (check_tree): Check for volatile-ness
6818         when considering a dereference.
6819
6820 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
6821
6822         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
6823
6824 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6825
6826         PR rtl-optimization/23561
6827         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
6828         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
6829         at most LEN bytes long memory fits into the field.
6830         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
6831         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
6832         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
6833
6834 2005-08-26  Richard Henderson  <rth@redhat.com>
6835
6836         PR rtl-opt/23560
6837         * loop.c (biased_biv_may_wrap_p): New.
6838         (maybe_eliminate_biv_1): Use it to suppress non-equality
6839         comparison transformations.  Delete disabled code.
6840
6841 2005-08-26  Ian Lance Taylor  <ian@airs.com>
6842
6843         * combine.c (make_extraction): Avoid reference outside object.
6844
6845 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
6846
6847         * stor-layout.c (finalize_type_size): Restore behaviour for
6848         non-aggregate types to the status quo ante of the patch for
6849         pr 23467.  Document why it matters.
6850
6851 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6852
6853         PR c/23506
6854         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
6855         array by one element, initialize the BT_LAST element with NULL.
6856
6857 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
6858
6859         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
6860         optimizing for size.
6861         (plus_eqsi): Same.
6862         (compare_plus_eqsi): Same.
6863         (plus_eqsi_compare): Same.
6864         (neg_eq0<mode>): Same.
6865         (neg_eq<mode>): Same.
6866
6867         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
6868         PROCESSOR_POWER4.
6869
6870 2005-08-26  Nick Clifton  <nickc@redhat.com>
6871
6872         * config/v850/v850.c (ep_memory_operand): Return FALSE if
6873         TARGET_EP is not defined.
6874         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
6875         TARGET_EP is enabled.
6876         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
6877         * config/v850/v850.md (save_all_interrupt): Only use the EP
6878         register if TARGET_EP is defined.
6879         (restore_all_interrupt): Likewise.
6880         * config/v850/lib1funcs.asm: Update functions so that the EP
6881         register is only used if __EP__ is defined.
6882
6883 2005-08-26  David Ung  <davidu@mips.com>
6884
6885         * config/mips/mips.c (mips_expand_prologue): Handle case when
6886         generating for MIPS16 and the outgoing argument area is more than
6887         SMALL_OPERAND. Use the frame pointer as temporary to generate the
6888         add instruction.
6889
6890 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
6891
6892         * config/crx/crx.md: Make doloop_end pattern usage controllable
6893         via mloop-nesting=<max-nesting> command line switch. Make sure
6894         the combiner cannot use doloop_end_<mode> in an illegal way.
6895         * config/crx/crx.c: Use regs up to r6 for argument passing.
6896         Refine crx_address_cost (non cst4 displacements are expensive).
6897         * config/crx/crx.opt: Add switch for mloop-nesting=.
6898
6899 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
6900
6901         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
6902         (UNSPEC_MVST): New constant.
6903
6904 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
6905
6906         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
6907         Reject operands containing eliminable registers.
6908         * testsuite/gcc.dg/20050825-1.c: New testcase.
6909
6910 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6911             Jan Hubicka  <jh@suse.cz>
6912
6913         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
6914
6915 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6916
6917         PR tree-optimization/23546
6918         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
6919         and REAL_CST nodes.
6920
6921 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
6922
6923         * params.def (PARAM_MIN_SPEC_PROB): New.
6924         * sched-rgn.c (MIN_PROBABILITY): Delete.
6925         (compute_trg_info): Convert to PARAM_VALUE.
6926         * doc/invoke.texi (param): Document min-spec-prob.
6927
6928 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
6929
6930         * config/darwin.h: define __PIC__
6931         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
6932         TARGET_OS_CPP_BUILTINS macro.
6933
6934 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6935
6936         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
6937         yesterday.
6938
6939 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6940
6941         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
6942         to duplicate_block.
6943         * cfghooks.c (duplicate_block): Added position where to place
6944         new block as argument.
6945         * cfghooks.h (duplicate_block): Declaration changed.
6946         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
6947         duplicate_block.
6948         * cfglayout.h (copy_bbs): Declaration changed.
6949         * cfgloop.h (loop_version): Declaration changed.
6950         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
6951         position to copy_bbs.
6952         (loop_version): Pass position to duplicate_loop_to_header_edge.
6953         Add place_after argument and position new blocks according to
6954         it.
6955         * modulo-sched.c (sms_schedule): Pass place_after argument
6956         to loop_version.
6957         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
6958         * tree-cfg.c (split_edge_bb_loc): New function.
6959         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
6960         to determine position of new blocks.
6961         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
6962         to loop_version.
6963         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
6964         argument to duplicate_block.
6965         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
6966         Pass position to copy_bbs.
6967
6968 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6969
6970         * fold-const.c (ptr_difference_const): Use
6971         cst_and_fits_in_hwi instead of host_integerp.
6972
6973 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6974
6975         * config/darwin.c (gen_pic_offset): New.
6976         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
6977         Use it.
6978
6979 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
6980
6981         PR tree-optimization/23486
6982         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
6983
6984 2005-08-23  Phil Edwards  <phil@codesourcery.com>
6985
6986         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
6987         remove use_collect2.
6988         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
6989
6990         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
6991         configuration files to override the default value.
6992
6993         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
6994         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
6995         * config/vx-common.h:  New file, split out from...
6996         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
6997         * config/vxworksae.h:  New file, for VxWorks AE.
6998         * config/vxworks.opt:  New file.
6999         * config/vxlib.c:  Update for VxWorks 6.
7000
7001         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
7002         other MULTILIB_* variables appropriately.
7003         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
7004         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
7005         * config/rs6000/vxworks.h:  Update for VxWorks 6.
7006         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
7007
7008 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
7009
7010         PR target/20799
7011         * config/darwin.c (machopic_select_section): Remove the hack to
7012         mark "::operator new" and "::operator delete" for coalescing
7013         even though they are not weak.
7014
7015 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
7016
7017         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
7018         * configure: Regenerate.
7019
7020 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
7021
7022         PR middle-end/23517
7023         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
7024         between vectors.
7025         * convert.c (convert_to_integer, convert_to_vector): Likewise.
7026         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
7027         Likewise.
7028
7029 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
7030
7031         * config/rs6000/predicates.md (equality_operator): New.
7032         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
7033         comparison with a large constant.
7034
7035 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
7036
7037         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
7038
7039 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
7040
7041         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
7042         registers is even, and we have a hardware double precision fp,
7043         align the buffer.
7044         (sh_gimplify_va_arg_expr): For floating point arguments, consider
7045         size of current argument when checking if argument was passed in
7046         registers.
7047
7048         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
7049
7050         PR middle-end/23467
7051         * stor-layout.c (finalize_type_size): Dont override
7052         existing alignment with a smaller alignment from the mode.
7053
7054 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
7055
7056         * lambda-code.c (lambda_vector_lexico_pos): Moved...
7057         * lambda.h (lambda_vector_lexico_pos): ... here.
7058         * tree-data-ref.c (build_classic_dist_vector): Return false when
7059         the distance vector is lexicographically negative.
7060
7061 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
7062
7063         PR tree-optimization/23511
7064         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
7065         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
7066
7067 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
7068
7069         PR tree-optimization/22043
7070         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
7071         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
7072         If ALLOW_FLEXARR, handle types ending with flexible array member.
7073         Pass false as second argument to recursive count_type_elements calls.
7074         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
7075         argument to count_type_elements call.
7076         * tree-sra.c (decide_block_copy): Likewise.
7077         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
7078         for a constant-sized object, set cleared as well.  Pass true as
7079         second argument to count_type_elements call.
7080
7081 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
7082
7083         PR target/21571
7084         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
7085         from legitimate_small_data_p, and make global.  Update use.
7086         Remove forward declaration.
7087         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
7088         Declare.
7089         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
7090
7091 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
7092
7093         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
7094         of scratch intermediates.
7095         (eq<mode>_compare): Same.
7096         (neg_eq0<mode>): New.
7097         (neg_eq<mode>): Convert to define_insn_and_split.
7098
7099 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
7100
7101         PR target/23070
7102         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
7103         stdarg functions, set/clear the fp marker even when no variable
7104         args are passed.
7105         * config/rs6000/sysv4.opt (mprototype): Describe.
7106
7107 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
7108
7109         PR rtl-optimization/23478
7110         * regs.h (reg_info): Add throw_calls_crossed.
7111         (REG_N_THROWING_CALLS_CROSSED): Define.
7112         * flow.c (allocate_reg_life_data): Initialize
7113         REG_N_THROWING_CALLS_CROSSED.
7114         (propagate_one_insn, attempt_auto_inc): Update
7115         REG_N_THROWING_CALLS_CROSSED.
7116         * global.c (global_alloc): Don't allocate pseudos across
7117         calls that may throw.
7118
7119 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
7120
7121         PR c/18715
7122         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
7123         value is inbetween the range if we did not find an exact match.
7124
7125 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
7126
7127         * doc/invoke.texi (Option Summary): Add ms1 options.
7128         * doc/extend.texi: Document interrupt handler attribute for ms1.
7129         * doc/md.texi: Document ms1 constraints.
7130         * config.gcc: Add ms1-*-elf.
7131         * config/ms1/ms1.h: New.
7132         * config/ms1/ms1.c: New.
7133         * config/ms1/ms1.md: New.
7134         * config/ms1/ms1-protos.h: New.
7135         * config/ms1/ABI.txt: New.
7136         * config/ms1/crti.asm: New.
7137         * config/ms1/crtn.asm: New.
7138         * config/ms1/lib2extra-funcs.c: New.
7139         * config/ms1/t-ms1: New.
7140         * config/ms1/ms1.opt: New.
7141
7142 2005-08-22 Ira Rosen <irar@il.ibm.com>
7143
7144         * config/rs6000/altivec.md (xorv4sf3): New.
7145         (negv4sf2, neg<mode>2): Likewise.
7146
7147 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
7148
7149         PR target/23485
7150         * config/ia64/ia64.md (divsi3): Check divide by zero.
7151         (udivsi3): Likewise.
7152         (divdi3): Likewise.
7153         (udivdi3): Likewise.
7154
7155 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
7156
7157         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
7158         up to elem_bitsize bits, not max_bitsize.
7159
7160 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
7161
7162         PR tree-optimization/23433
7163         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
7164         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
7165
7166 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
7167
7168         PR tree-optimization/23434
7169         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
7170         the iteration bound is not an INTEGER_CST.
7171
7172 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
7173
7174         * tree-vect-transform.c (get_initial_def_for_reduction): Set
7175         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
7176         NULL if need_epilog_adjust is false.
7177         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
7178         Case 3 always peels first itration, not just for PLUS case, and no need
7179         to use scalar_initial_def here. Create an epilog adjustment only if
7180         scalar_initial_def is not NULL.
7181
7182         (vectorizable_reduction): Remove assert.
7183
7184 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
7185
7186         PR target/23485
7187         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
7188         (__moddi3): Likewise.
7189         (__udivdi3): Likewise.
7190         (__umoddi3): Likewise.
7191         (__divsi3): Likewise.
7192         (__modsi3): Likewise.
7193         (__udivsi3): Likewise.
7194         (__umodsi3): Likewise.
7195
7196 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
7197
7198         * tree-pass.h (TDF_GRAPH): Define.
7199         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
7200         * passes.c (finish_optimization_passes): Only call
7201         finish_graph_dump_file if TDF_GRAPH is set.
7202         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
7203         NULL.  Set TDF_GRAPH bit.
7204         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
7205
7206 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
7207
7208         * arm.h (arm_stack_offsets): Add locals_base field.
7209         * arm.c (arm_get_frame_offsets): Compute it.
7210         (thumb_compute_initial_elimination offset): Make the Thumb frame
7211         pointer point to the base of the local variables.
7212         (thumb_expand_prologue): Update accordingly.
7213         (thumb_expand_epilogue): Likewise.
7214
7215         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
7216         mode of clobbered scratch to DImode.  Handle a case that's known to
7217         need this.
7218
7219 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
7220
7221         * config/rs6000/rs6000.md (gt0<mode>): Delete.
7222         (gt0<mode>_compare): Delete.
7223         (neg_gt0<mode>): Delete.
7224
7225 2005-08-19  Eric Christopher  <echristo@apple.com>
7226
7227         * optabs.h: Change CTI_ to COI_.
7228         * optabs.c: Ditto.
7229
7230 2005-08-19  James E Wilson  <wilson@specifix.com>
7231
7232         * builtins.c (expand_builtin_return_addr): Set
7233         current_function_accesses_prior_frames when count != 0.  Use
7234         frame_pointer_rtx when count == 0.
7235         * function.h (struct function): Add accesses_prior_frames field.
7236         (current_function_accesses_prior_frames): Define.
7237         * reload1.c (init_elim_table): Check
7238         current_function_accesses_prior_frames.
7239         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
7240
7241 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7242
7243         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
7244         indicator.  Return true if the flowgraph changed during
7245         cleanup.
7246
7247 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7248
7249         PR 23476
7250         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
7251         conditional expression before testing its value.
7252
7253 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7254
7255         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
7256
7257 2005-08-19  Devang Patel  <dpatel@apple.com>
7258
7259         PR tree-optimization/23048
7260         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
7261         third parameter. Check whether latch is dominated by exit
7262         block or not.
7263         (if_convertible_loop_p): Supply exit block itself to
7264         if_convertible_bb_p.
7265
7266 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7267
7268         PR target/23473
7269         * arm.md (arm_load_pic_register): Change argument to the mask of
7270         saved registers.  Call thumb_find_work_register if we need a
7271         scratch register on Thumb.
7272         (arm_expand_prologue): Pass empty register set to
7273         arm_load_pic_register.
7274         (thumb_expand_prologue): Pass live_regs_mask directly to
7275         arm_load_pic_register.
7276         * arm-protos.h (arm_load_pic_register): Update prototype.
7277
7278 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
7279
7280         * sh.c (find_sole_member): New function.
7281         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
7282         if the record's alignment is larger than the size of its only member.
7283
7284 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7285
7286         PR target/23436
7287         * arm.c (thumb_legitimize_reload_address): New function.
7288         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
7289         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
7290
7291 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
7292
7293         * config/crx/crx.c: Implement crx_decompose_address. Reject
7294         symbolic displacements since CRX register relative adressing
7295         mode can't handle unsigned 32-bit values as displacements.
7296         * config/crx/crx.h: Simplify definitions, remove redundant
7297         parenthesis and obsolete macros.
7298         * config/crx/crx.opt: Add new switch for debugging addresses.
7299         * config/crx/crx-protos.h: Add new declarations for above.
7300
7301 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
7302
7303         PR middle-end/20624
7304         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
7305         looking past it.
7306
7307 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7308
7309         * collect2.c (dup2): Delete.
7310         * configure.ac: Don't check for dup2.
7311
7312         * config.in, configure: Regenerate.
7313
7314 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
7315
7316         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
7317         record with the type of its only member.
7318
7319 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
7320
7321         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
7322         define_insn_and_split.
7323         (plus_ltu<mode>_compare): Same.
7324         (gtu<mode>_compare): Same.
7325         (plus_gtu<mode>_compare): Same.
7326
7327 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
7328
7329         PR tree-optimization/22228
7330         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
7331         todo_flags_start.
7332         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
7333         are recorded in vect_vnames_to_rename for renaming.
7334         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
7335         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
7336         in vect_vnames_to_rename.
7337         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
7338         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
7339
7340 2005-08-18  Jan Hubicka  <jh@suse.cz>
7341
7342         PR c++/22034
7343         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
7344         info only for local statics, not for member variables.
7345
7346 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7347
7348         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
7349
7350 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7351
7352         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
7353
7354 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
7355
7356         PR middle-end/16045
7357         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
7358
7359 2005-08-17  James E Wilson  <wilson@specifix.com>
7360
7361         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7362         array size check.
7363
7364 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
7365
7366         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
7367         (leu<mode>_compare): Same.
7368         (plus_leu<mode>): Same.
7369         (neg_leu<mode>): Same.
7370         (and_neg_leu<mode): Same.
7371         (ltu<mode>_compare): Same.
7372         (plus_ltu<mode>): Same.
7373         (geu<mode>): Same.
7374         (geu<mode>_compare): Same.
7375         (plus_geu<mode>): Same.
7376         (neg_geu<mode>): Same.
7377         (and_neg_geu<mode>): Same.
7378         (plus_gt<mode>): Same.
7379         (gtu<mode>_compare): Same.
7380         (plus_gtu<mode>): Same.
7381
7382 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
7383
7384         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
7385         Move call_table_data to end.  Delete spurious .text.
7386         (callt_save_all_interrupt): Fix comment typo.
7387
7388 2005-08-17  James E Wilson  <wilson@specifix.com>
7389             Kevin Winchester  <winchester@amirix.com>
7390
7391         PR target/21684
7392         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
7393
7394 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
7395
7396         PR target/23268
7397         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
7398         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
7399
7400 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
7401
7402         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
7403         record with the type of its only member if the modes don't match.
7404
7405         * varasm.c (decode_reg_name): Skip empty additional register names.
7406
7407 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
7408
7409         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
7410         lsm_tmp_name_length): New.
7411         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
7412         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
7413
7414 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7415             Andreas Krebbel  <krebbel1@de.ibm.com>
7416
7417         * config.gcc: Added z9-109 switch.
7418         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
7419         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
7420         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
7421         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
7422         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
7423         for "z9_109" cpu attribute.
7424         * config/s390/s390.c (z9_109_cost): New processor cost structure.
7425         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
7426         (s390_handle_arch_option): Added z9-109 switch.
7427         (override_options): Set respective cost function for z9-109.
7428         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
7429         (legitimate_reload_constant_p): Accept extended immediates.
7430         (print_operand): Three new output modifiers added: k, m and o.
7431         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
7432         (s390_output_mi_thunk): Use extended immediate when possible.
7433         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
7434         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
7435         (CONSTRAINT_LEN): Added length of O constraint.
7436         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
7437         * config/s390/s390.md ("cpu"): New value z9_109 added.
7438         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
7439         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
7440         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
7441         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
7442         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
7443         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
7444         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
7445         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
7446         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
7447         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7448         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
7449         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
7450         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
7451         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
7452         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
7453         immediates.
7454         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
7455         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
7456         insns for TARGET_EXTIMM.
7457
7458 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
7459
7460         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
7461
7462 2005-08-17  Nick Clifton  <nickc@redhat.com>
7463
7464         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
7465         Call default_encode_section_info.
7466
7467 2005-08-17  Steven Bosscher  <stevenb@suse.de>
7468
7469         PR tree-optimization/21574
7470         * tree-ssa-ccp.c (likely_value): If the right hand side is a
7471         constant, return CONSTANT.
7472         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
7473         (ccp_fold, visit_assignment): Likewise.
7474         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
7475
7476 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7477
7478         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
7479         fold_buildN instead of buildN then fold_initializer or fold.
7480         (build_unary_op): Likewise.
7481         (build_binary_op): Likewise.
7482         * fold-const.c (fold_initializer): Remove.
7483         (fold_build1_initializer): New function.
7484         (fold_build2_initializer): New function.
7485         (fold_build3_initializer): New function.
7486         * tree.h (fold_initializer): Remove.
7487         (fold_build1_initializer): New function.
7488         (fold_build2_initializer): New function.
7489         (fold_build3_initializer): New function.
7490
7491 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7492
7493         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
7494         (try_move_mult_to_index): Call fold_build2 instead of build2.
7495         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
7496         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
7497         fold_binary_to_constant.
7498         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
7499         fold (build.
7500         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
7501         check if A == gcd (A, B).  Remove TYPE argument.
7502         (analyze_offset) Use fold_build2 instead of fold (build.
7503         (create_data_ref): Likewise.
7504         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
7505         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
7506         then fold.
7507
7508 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
7509
7510         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
7511         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
7512
7513 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
7514
7515         PR tree-opt/23402
7516         * gimplify.c (zero_sized_type): New function.
7517         (gimplify_modify_expr_rhs): If we have a zero sized type,
7518         replace the statement with an empty statement.
7519
7520 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
7521
7522         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
7523         fxsave.
7524
7525 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7526
7527         * doc/tm.texi (Label Output): Correct typo.
7528
7529 2005-08-16  Steven Bosscher  <stevenb@suse.de>
7530
7531         PR target/23376
7532         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
7533         force_operand will work later on using have_insn_for.
7534
7535 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7536
7537         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
7538
7539 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7540
7541         PR c++/23337
7542         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
7543         vector type, don't try to construct it element by element.  Add an
7544         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
7545
7546 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7547
7548         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
7549
7550 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
7551
7552         * doc/invoke.texi (Precompiled Headers): Document some more options
7553         which are known to be safe.
7554
7555 2005-08-16  James E Wilson  <wilson@specifix.com>
7556
7557         PR tree-optimization/21105
7558         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7559         TREE_OVERFLOW check.
7560
7561 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
7562
7563         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
7564         (neg_ltu<mode>): Same.
7565         (gtu<mode>): Same.
7566         (neg_gtu<mode>): Same.
7567
7568 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7569
7570         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
7571         (fold_builtin_isdigit): Use fold_buildN.
7572         (build_function_call_expr): Likewise.
7573         * c-typeck.c (c_finish_loop): Likewise.
7574
7575 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
7576             Richard Shann <rshann@superh.com>
7577
7578         PR middle-end/20396:
7579         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
7580
7581 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
7582
7583         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
7584
7585 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
7586
7587         PR target/23355
7588         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
7589         arm_compure_save_reg0_reg12_mask to determine when the PIC register
7590         must be saved.
7591
7592 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7593
7594         PR middle-end/23369
7595         * fold-const.c (build_range_check): Disable optimization for function
7596         pointer expressions on targets that require function pointer
7597         canonicalization.
7598
7599 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
7600
7601         * simplify-rtx.c (simplify_const_relational_operation): When
7602         extracting arguments of a COMPARE, recompute the mode as well.
7603
7604 2005-08-15  Ian Lance Taylor  <ian@airs.com>
7605
7606         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
7607
7608 2005-08-15  DJ Delorie  <dj@redhat.com>
7609
7610         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
7611         the stack.
7612         (movsi_splittable): Allow, but split, moves to the stack.
7613         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
7614         stack.
7615
7616 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7617
7618         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
7619         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
7620         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
7621
7622         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
7623         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
7624         Delete HOST_PTR_PRINTF.
7625
7626         * configure, config.in: Regenerate.
7627
7628 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
7629
7630         * config/rs6000/rs6000.md (QHSI): New mode macro.
7631         (wd): Extend mode attr for QImode and HImode
7632         (dbits): New mode attr.
7633         (zero_extend<mode>di2): Convert to mode macro.
7634
7635 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
7636
7637         PR target/21841
7638         * doc/invoke.texi (-mgnu-ld): Update description.
7639         (-mhp-ld): Ditto.
7640
7641 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7642
7643         PR 23391
7644         * Makefile.in (tree-chrec.o): Depends on real.h.
7645         * tree-chrec.c: Include real.h.
7646         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
7647         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
7648         * tree-scalar-evolution.c (add_to_evolution_1,
7649         interpret_rhs_modify_expr): Ditto.
7650
7651 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7652
7653         PR 23386
7654         * tree-data-ref.c (estimate_niter_from_size_of_data): When
7655         step is negative compute the estimation from init downwards to zero.
7656
7657 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
7658
7659         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
7660
7661 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7662
7663         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
7664         constraint.
7665         (legitimate_reload_constant_p): Fix handling of lliXX operands.
7666         Accept double-word constants that can be split.
7667         * config/s390/s390.md ("movti"): Use 'P' constraint.
7668         ("*movdi_31", "*movdf_31"): Likewise.
7669
7670 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
7671
7672         Fix PR tree-optimization/22615
7673
7674         * tree-ssa-structalias.c (solution_set_add): Handle
7675         first_vi_for_offset returning NULL.
7676         (do_da_constraint): Ditto.
7677         (do_sd_constraint): Ditto.
7678         (do_ds_constraint): Ditto
7679         (find_func_aliases): Ditto.
7680         (build_constraint_graph): RHS is allowed be ANYTHING.
7681         (first_vi_for_offset): Return NULL if we couldn't find anything at
7682         the offset.
7683
7684 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7685
7686         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
7687         over memory as first operand.
7688
7689 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
7690
7691         PR target/23360
7692         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
7693         available for setting it.
7694
7695 2005-08-14  Ira Rosen  <irar@il.ibm.com>
7696
7697         PR tree-optimization/23320
7698         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
7699         data-refs' types instead of base object nullness. Add check for
7700         pointer type data-refs before first location comparison. Remove
7701         assert.
7702
7703 2005-08-14  Andreas Schwab  <schwab@suse.de>
7704
7705         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
7706
7707 2005-08-13  James E Wilson  <wilson@specifix.com>
7708
7709         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
7710         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
7711         -fstack-protector-all, --param ssp-buffer-size): Document.
7712         (-Wvariadic-macros): Alphabetize.
7713         (-fsched-stalled-insns-dep): Add missing 'f'.
7714
7715         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
7716         macros.
7717
7718 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
7719
7720         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
7721         or indirect address operand.
7722         (EXTRA_ADDRESS_CONSTRAINT): New.
7723         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
7724
7725 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
7726
7727         PR tree-optimization/22236
7728         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
7729         successors and predecessors.
7730         * tree-chrec.c (chrec_convert): Before converting, check that
7731         sequences don't wrap.
7732         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
7733         (analyze_array): Extern.
7734         (find_data_references_in_loop): Remove call to
7735         compute_estimated_nb_iterations.
7736         * tree-data-ref.h (analyze_array): Declared.
7737         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
7738         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
7739         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
7740         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
7741         condition.
7742         * tree-ssa-loop-ivcanon.c: Fix documentation.
7743         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
7744         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
7745         (infer_loop_bounds_from_undefined): New.
7746         (estimate_numbers_of_iterations_loop): Use
7747         infer_loop_bounds_from_undefined.
7748         (used_in_pointer_arithmetic_p): New.
7749         (scev_probably_wraps_p): Pass an extra parameter.  Call
7750         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
7751         (convert_step): Fix documentation.
7752         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
7753         Use initial_condition_in_loop_num and evolution_part_in_loop_num
7754         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
7755         scev_probably_wraps_p.
7756
7757 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
7758
7759         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
7760         (s390_register_info): Ignore clobbered_regs information for fixed
7761         registers, and only fixed registers.
7762         (s390_init_frame_layout): Remove redundant call.
7763
7764 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
7765
7766         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
7767         description of -Wold-style-casts.
7768
7769 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7770             Jakub Jelinek  <jakub@redhat.com>
7771
7772         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7773         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
7774         * config/s390/s390.c (print_operand): New output modifier 'G' added.
7775         (get_thread_pointer): Renamed to s390_get_thread_pointer.
7776         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
7777         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
7778         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
7779         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7780         ("stack_protect_set", "stack_protect_test"): New expanders.
7781         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
7782         "stack_protect_testdi"): New insn definitions.
7783
7784 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7785
7786         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
7787
7788 2005-08-12  Paul Brook  <paul@codesourcery.com>
7789
7790         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
7791
7792 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7793
7794         * config/s390/predicates.md (setmem_operand): New predicate.
7795         (shift_count_operand): Accept ANDs with special constants as
7796         operand.
7797         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
7798         with special constants.
7799         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
7800         shift_count_operand with setmem_operand.
7801
7802 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7803
7804         * config/s390/s390.c (s390_extract_part, s390_single_part):
7805         Type cast added.
7806         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
7807         (s390_output_mi_thunk): Don't use lg on 31 bit.
7808         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
7809         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
7810
7811 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7812
7813         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
7814         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
7815         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
7816         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
7817         with one of the new macros.
7818
7819 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7820
7821         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
7822         Don't set save_return_addr_p.
7823         (s390_register_info): Make clobbered_regs not depending on
7824         save_return_addr_p.
7825
7826 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
7827
7828         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
7829         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
7830
7831 2005-08-11  James E. Wilson  <wilson@specifix.com>
7832
7833         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
7834
7835 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
7836
7837         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
7838         locations gathered by var-tracking in single entry loc_list
7839         over loc_descriptor_from_tree.
7840
7841         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
7842         pass it down to loc_descriptor.
7843         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
7844         (containing_function_has_frame_base): Move earlier in the file.
7845         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
7846         instead of always assuming fbreg can't be used.
7847
7848 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
7849
7850         * config/rs6000/altivec.md: Change constraint "m" to "Z".
7851         * config/rs6000/predicates.md (indexed_or_indirect_operand):
7852         Accept address wrapped in AND for Altivec.
7853         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
7854         Strip AND wrapping offset address for Altivec.
7855
7856 2005-08-11  Richard Henderson  <rth@redhat.com>
7857
7858         PR middle-end/23312
7859         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
7860         before using TYPE_IS_SIZETYPE.
7861
7862 2005-08-11  Richard Henderson  <rth@redhat.com>
7863
7864         PR target/22225
7865         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
7866         insn types not present on ev4.
7867         (alphaev5_insn_pipe): Similarly.
7868
7869 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
7870
7871         PR target/23250
7872         * arm.c (arm_override_options): If the user has selected callee-super-
7873         interworking, then enable normal interworking.
7874
7875 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
7876
7877         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
7878         redefinition.
7879
7880 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
7881
7882         * doc/rtl.texi: Fix two typos.
7883
7884 2005-08-11  Richard Guenther  <rguenther@suse.de>
7885
7886         PR target/23289
7887         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
7888         cases where we call to/from functions returning void.
7889
7890 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
7891
7892         PR c++/23225
7893         * tree.c (build_pointer_type_for_mode): Robustify.
7894
7895 2005-08-10  James E Wilson  <wilson@specifix.com>
7896
7897         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
7898         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
7899
7900         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
7901         "cum->".
7902
7903 2005-08-10  Eric Christopher  <echristo@apple.com>
7904
7905         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
7906         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
7907         V2DFmode.
7908
7909 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
7910
7911         PR target/21887
7912         * config/darwin.c (machopic_indirect_data_reference): Use a new register
7913         for the high part when generating dynamic-no-pic code.
7914
7915 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
7916
7917         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
7918         (x86_64-*-linux*): Likewise.
7919
7920         * config/i386/crtfastmath.c: New file.
7921         * config/i386/t-crtfm: Likewise.
7922
7923         * config/i386/linux.h (ENDFILE_SPEC): New.
7924         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
7925
7926         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
7927         crtfastmath.o.
7928
7929 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
7930
7931         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
7932         (vec_shl, vec_shr): Document new operations.
7933         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
7934
7935 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
7936
7937         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
7938         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
7939         change predicate to indexed_or_indirect_address.
7940
7941 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
7942
7943         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
7944         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
7945         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
7946         and __aeabi_uwrite8.
7947         * config/arm/unaligned-funcs.c: New file.
7948         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
7949
7950 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
7951
7952         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
7953         Add dump.
7954         * cfglayout.c (pass_insn_locators_initialize): Add dump.
7955         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
7956         Add dump.
7957         * except.c (pass_convert_to_eh_region_ranges): Add dump.
7958         * final.c (pass_shorten_branches): Add dump.
7959         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
7960         (pass_life): Rename dump.
7961         (rest_of_handle_flow2): Remove initial verify_flow_info.
7962         * function.c (pass_instantiate_virtual_regs): Add dump.
7963         * integrate.c (pass_initial_value_sets): Add dump.
7964         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
7965         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
7966         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
7967         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
7968         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
7969         gate_rtl_unrool_and_peel_loops): New.
7970         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
7971         rtl_doloop): Do not look at flags.
7972         * mode-switching.c (pass_mode_switching): Add dump.
7973         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
7974         pass_split_before_regstack): Add dump.
7975         * regmove.c (pass_stack_adjustments): Add dump.
7976         * tree-optimize.c (pass_fixup_cfg): Add dump.
7977
7978 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7979
7980         PR 23309
7981         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
7982         deciding which instruction sequence to use.
7983
7984 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
7985
7986         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
7987         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
7988
7989 2005-08-09  Richard Guenther  <rguenther@suse.de>
7990
7991         * c-common.c (builtin_function_2): Remove.
7992         (def_builtin_1): New function.
7993         (c_common_nodes_and_builtins): Use def_builtin_1 to
7994         build builtin functions.
7995
7996 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
7997
7998         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
7999         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
8000         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
8001         Visual DSP.
8002
8003 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
8004
8005         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
8006         fold_binary instead of fold_build2 since we don't care about the
8007         resulting tree.
8008         (loop_niter_by_eval): Likewise.
8009         (compare_trees): Likewise.
8010         (proved_non_wrapping_p): Likewise.
8011
8012 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
8013
8014         PR c/23161
8015         PR c/23165
8016         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
8017         if the if is really empty.
8018
8019 2005-08-09  Steven Bosscher  <stevenb@suse.de>
8020
8021         PR tree-optimization/23234
8022         * tree-ssa-math-opts.c (place_reciprocal): New enum.
8023         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
8024         argument of the new enum.
8025         (execute_cse_reciprocals): Add reciprocals for function arguments
8026         on the unique successor edge of the entry block.  Update other calls
8027         to execute_cse_reciprocals_1.
8028
8029 2005-08-08  Richard Henderson  <rth@redhat.com>
8030
8031         PR 22439
8032         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
8033
8034 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
8035
8036         * expr.c (write_complex_part): Return after handling MEM.
8037
8038 2005-08-08  Josh Conner  <jconner@apple.com>
8039
8040         PR rtl-optimization/23241
8041         * combine.c (simplify_comparison): Fix error in determining
8042         whether to lift a subreg from comparison.
8043
8044 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
8045
8046         PR target/18506
8047         * config/rs6000/altivec.md (vec_init<mode>): New.
8048         (vec_set<mode>): New.
8049         (vec_extract<mode>): New.
8050         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
8051         (rs6000_expand_vector_set): New.
8052         (rs6000_expand_vector_extract): New.
8053         (rs6000_legitimate_offset_address_p): Offset addresses are valid
8054         for Altivec modes before reload.
8055         (altivec_expand_vec_init_builtin): New.
8056         (get_element_number): New.
8057         (altivec_expand_vec_set_builtin): New.
8058         (altivec_expand_vec_ext_builtin): New.
8059         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
8060         builtins.
8061         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
8062         builtins.
8063         * config/rs6000/rs6000.h (rs6000_builtins): Add
8064         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
8065         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
8066         * config/rs6000/rs6000-protos.h: Declare new functions.
8067
8068 2005-08-08  Jan Hubicka  <jh@suse.cz>
8069
8070         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
8071         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
8072         * i386.md (movdi*): Use pic_32bit_operand.
8073         * predicates.md (pic_32bit_operand): New.
8074
8075 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
8076
8077         PR c++/21166
8078         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
8079
8080 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
8081
8082         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
8083         (test_for_singularity): Use fold_build2.
8084
8085 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8086
8087         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
8088
8089 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
8090
8091         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8092         (COMMON_ASM_OP) Define.
8093         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
8094         (ix86_encode_section_info): Likewise.
8095         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
8096         SUBTARGET_ENCODE_SECTION_INFO.
8097
8098 2005-08-06  Richard Henderson  <rth@redhat.com>
8099
8100         PR 21894
8101         * tree-nested.c (convert_local_reference): Save and restore val_only
8102         around component_ref and friends.  Clear walk_subtrees by default.
8103
8104 2005-08-06  Peter O'Gorman  <peter@pogma.com>
8105
8106         PR 21366
8107         * gcc.c (process_command): Check the argument to -b has a dash.
8108         * doc/invoke.texi: Update -b and -V docs.
8109
8110 2005-08-06  James E Wilson  <wilson@specifix.com>
8111
8112         * config/mips/cross64.h, config/mips/t-cross64: Delete.
8113
8114 2005-08-06  Michael Matz  <matz@suse.de>
8115
8116         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
8117         member only if only one insn is associated with the value.
8118
8119 2005-08-06  Nick Clifton  <nickc@redhat.com>
8120
8121         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
8122         New define.
8123         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
8124         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
8125         Check symbol flags instead of symbol name mangling.
8126         (xstormy16_asm_output_aligned_common): Likewise.  Also
8127         simplify code since the bss100_section cass is the only case
8128         where the below100 code will be triggered.
8129         (xstormy16_encode_section_info): Encode below100 attribute
8130         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
8131         the name.
8132         (xstormy16_strip_name_encoding): Delete - this function is no
8133         longer needed.
8134         (TARGET_STRIP_NAME_ENCODING): Undefine.
8135         * config/stormy16/stormy16-protos.h: Delete prototype for
8136         xstormy16_strip_name_encoding.
8137
8138 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
8139
8140         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
8141         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
8142         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
8143         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
8144         config/alpha/predicates.md, config/arc/arc.h,
8145         config/arm/arm.h, config/arm/ieee754-df.S,
8146         config/arm/ieee754-sf.S, config/bfin/bfin.c,
8147         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
8148         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
8149         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
8150         config/m68hc11/m68hc11.h, config/mips/mips.c,
8151         config/mips/mips.h, config/mips/openbsd.h,
8152         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
8153         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
8154         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
8155         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
8156         config/sparc/linux.h, config/sparc/linux64.h,
8157         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
8158         doc/extend.texi, doc/gcov.texi, doc/install.texi,
8159         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
8160         typos.  Follow spelling conventions.
8161
8162 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
8163
8164         PR c/23113
8165         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
8166         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
8167         specially.  Check for side effects only for COND_EXPR.
8168         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
8169         return with TREE_NO_WARNING.
8170
8171 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
8172
8173         PR rtl-optimization/23233
8174         * loop.c (combine_movables): Require the modes to be the same.
8175         (move_movables): Remove handling of cases where the replacement
8176         had a different mode to the original.
8177
8178 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
8179
8180         PR tree-optimization/23128
8181         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
8182         subtraction wrap, and set TREE_OVERFLOW if they do.
8183
8184 2005-08-05  Richard Henderson  <rth@redhat.com>
8185
8186         PR 21728
8187         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
8188         FORCED_LABEL labels.
8189
8190 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
8191
8192         PR middle-end/23135
8193         * reload.c (find_reloads_subreg_address): Pass down TYPE
8194         unchanged.  Change all callers except find_reloads_toplev.
8195
8196 2005-08-05  Michael Matz  <matz@suse.de>
8197
8198         * genattrtab.c (current_alternative_string): Remove.
8199         (SIMPLIFY_ALTERNATIVE): Ditto.
8200         (attr_alt_bit_p): Ditto.
8201         (alternative_name): Make const char *.
8202         (evaluate_eq_attr): Remove use of above things.
8203         (simplify_test_exp): Ditto.
8204         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
8205         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
8206
8207 2005-08-04  James E Wilson  <wilson@specifix.com>
8208
8209         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
8210         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
8211         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
8212         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
8213         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
8214
8215 2005-08-04  Richard Henderson  <rth@redhat.com>
8216
8217         PR 21529
8218         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
8219         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
8220         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
8221         if we'd have to instantiate too many members.
8222
8223 2005-08-04  Richard Henderson  <rth@redhat.com>
8224
8225         PR 21291
8226         * tree-outof-ssa.c (coalesce_asm_operands): New.
8227         (coalesce_ssa_name): Use it.  Split out ...
8228         (coalesce_phi_operands, coalesce_result_decls): ... these.
8229
8230 2005-08-04  Paul Brook  <paul@codesourcery.com>
8231
8232         * read-rtl.c (read_quoted_string): Break if EOF.
8233
8234 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
8235
8236         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
8237         (fold_build2): Likewise.
8238         (fold_build3): Likewise.
8239         (fold_build1_stat): New function prototype.
8240         (fold_build2_stat): Likewise.
8241         (fold_build3_stat): Likewise.
8242         * fold-const.c (fold_build1): Rename to ..
8243         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8244         through to build1_stat.
8245         (fold_build2): Rename to ..
8246         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8247         through to build2_stat.
8248         (fold_build3): Rename to ..
8249         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8250         through to build3_stat.
8251
8252 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
8253             Ian Lance Taylor  <ian@airs.com>
8254
8255         * function.c (assign_stack_local_1): Do not correct stack slot
8256         address if allocation size is smaller than mode size.
8257
8258 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
8259
8260         PR 22037
8261         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
8262         (tree_merge_blocks): Propagate anything allowed by
8263         may_propagate_copy.
8264         Clarify documentation.
8265         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
8266         SSA form, schedule an update if necessary.
8267
8268 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
8269
8270         * doc/install.texi (Binaries): Remove broken link to
8271         Sinix/Reliant Unix binaries.
8272
8273 2005-08-03  Richard Henderson  <rth@redhat.com>
8274
8275         PR 23221
8276         * function.c (stack_protect_epilogue): Export.
8277         * tree.h (stack_protect_epilogue): Declare.
8278         * calls.c (expand_call): Call it.
8279
8280 2005-08-03  Eric Christopher  <echristo@apple.com>
8281
8282         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
8283         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
8284         spec.
8285
8286 2005-08-04  Jan Hubicka  <jh@suse.cz>
8287
8288         * profile.c (branch_prob): Split edges with goto locus on them
8289         to get proper line counts.
8290         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
8291
8292 2005-08-03  Paul Brook  <paul@codesourcery.com>
8293
8294         * function.c (assign_parms): Round current_function_args_size
8295         to PARM_BOUNDARY, not STACK_BOUNDARY.
8296
8297 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
8298
8299         * config/i386/i386.c (x86_elf_aligned_common)
8300         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
8301
8302 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
8303
8304         PR tree-optimization/23157
8305         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
8306         before emitting them.
8307
8308 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8309
8310         PR tree-optimization/19899
8311         * Makefile.in (tree-scalar-evolution.o): Add real.h.
8312         * tree-scalar-evolution.c: Include real.h.
8313         (add_to_evolution): Build constant -1 of correct type.
8314
8315 2005-08-03  Jan Hubicka  <jh@suse.cz>
8316
8317         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
8318         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
8319         profile updating for complette unrolling.
8320         * loop-unroll.c (peel_loop_completely): Use it.
8321         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
8322         (tree_unroll_loops_completely): Disable code growing unrolling of cold
8323         loops.
8324
8325 2005-08-03  Paul Brook  <paul@codesourcery.com>
8326
8327         * combine.c (can_change_dest_mode): New function.
8328         (try_combine, simplify_set): Use it.
8329
8330 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
8331
8332         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
8333         TFmode to BLKmode.
8334
8335 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
8336
8337         * doc/install.texi (Specific): Adjust link to openavr.org.
8338         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
8339         (Binaries): Adjust HP-UX Porting Center link.
8340         (Binaries): Adjust Free Software Foundation ordering link.
8341
8342 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
8343
8344         * convert.c (convert_to_integer): Use fold_build1 instead of
8345         build1 when converting an integer to an integer.
8346
8347 2005-08-02  Richard Henderson  <rth@redhat.com>
8348
8349         * combine.c (combine_instructions): Don't use reg_equal/equiv
8350         results if the mode doesn't match.
8351
8352 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
8353
8354         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
8355         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
8356
8357 2005-08-02  Richard Henderson  <rth@redhat.com>
8358
8359         PR 23196
8360         * explow.c (memory_address): Remove special-case for
8361         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
8362
8363 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
8364
8365         PR 23164
8366         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
8367         number of calls to cleanup_tree_cfg_1.
8368
8369 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
8370
8371         * doc/invoke.texi: document file extensions .F90 and .F95
8372
8373 2005-08-02  Richard Guenther  <rguenther@suse.de>
8374
8375         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
8376         positive if its first argument is positive.
8377
8378 2005-08-02  Richard Guenther  <rguenther@suse.de>
8379
8380         PR tree-optimization/23177
8381         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
8382         on TMR_TAG.
8383
8384 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
8385
8386         PR tree-optimization/23129
8387         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
8388         varying for divisions with anti-ranges.
8389
8390 2005-08-02  Jan Hubicka  <jh@suse.cz>
8391
8392         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
8393         * tree-ssa-threadupdate.c (thread_block): Add it here.
8394
8395 2005-08-01  James E Wilson  <wilson@specifix.com>
8396
8397         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
8398         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
8399         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
8400         New.
8401         * config/mips/predicates.md (const_call_insn_operand): Add check for
8402         SYMBOL_REF_LONG_CALL_P.
8403         * doc/extend.texi (long_call): Document the new attribute.
8404
8405 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8406             Richard Henderson  <rth@redhat.com>
8407
8408         * Makefile.in (RTL_BASE_H): Add real.h.
8409         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
8410         instead of memcpy.
8411         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
8412         directly.
8413         * rtl.c (rtl_check_failed_code_mode): New.
8414         * rtl.h (struct rtx_def): Add u.rv.
8415         (XCMWINT, XCNMPRV): New.
8416         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
8417         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
8418
8419 2005-08-01  Richard Henderson  <rth@redhat.com>
8420
8421         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
8422         with auto-inc codes.
8423
8424         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
8425
8426 2005-08-01  Jan Hubicka  <jh@suse.cz>
8427
8428         * i386-protos.h (asm_preferred_eh_data_format): Declare.
8429         * i386.c: Include dwarf2.h
8430         (asm_preferred_eh_data_format): New.
8431         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
8432
8433 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8434
8435         * config/host-linux.c (linux_gt_pch_get_address): Add new name
8436         randomize_va_space for virtual address randomization control.
8437
8438 2005-08-01  Steven Bosscher  <stevenb@suse.de>
8439
8440         * common.opt (flag_ipa_cp): Put in right place to maintain
8441         alphabetic sort.
8442
8443 2005-08-01  Jan Hubicka  <jh@suse.cz>
8444
8445         * profile.c (compute_value_histograms): Fix thinko.
8446         * value-prof.c: Include toplev.h
8447         (check_counter): New function.
8448         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
8449         tree_mod_subtract_transform): Add sanity check.
8450
8451 2005-08-01  Richard Guenther  <rguenther@suse.de>
8452
8453         PR tree-optimization/23133
8454         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
8455         current functions parameter decls to find defs to cse
8456         reciprocals of.
8457
8458 2005-08-01  Richard Guenther  <rguenther@suse.de>
8459
8460         PR tree-optimization/23109
8461         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
8462         If trapping math is in effect, use post-dominator information
8463         to check if we'd in any case reach a trapping point before
8464         doing the reciprocal insertion.
8465         (execute_cse_reciprocals): Compute post-dominators, if necessary.
8466         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
8467         expressions are invariant only if trapping math is not in effect.
8468
8469 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8470
8471         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
8472         cgraph_function_versioning): New declarations.
8473         * cgraphunit.c: Add include to ipa-prop.h.
8474         (update_call_expr, cgraph_copy_node_for_versioning,
8475         cgraph_function_versioning): New functions.
8476         * integrate.c (copy_decl_for_inlining): Remove.
8477         * ipa-prop.h (ipa_replace_map): New struct.
8478         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
8479         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
8480         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
8481         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
8482         ipcp_iterate_stage, ipcp_method_scale_print,
8483         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
8484         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
8485         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
8486         ipcp_update_bb_counts, ipcp_update_profiling,
8487         ipcp_update_edges_counts): New functions.
8488         (ipcp_method_cval_init): Remove restriction regarding local methods.
8489         (ipcp_init_stage): Add ipcp_method_compute_scale.
8490         (ipcp_insert_stage): Add versioning.
8491         (ipcp_structures_print): Add ipcp_method_scale_print.
8492         (ipcp_driver): Dump profiling info.
8493         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
8494         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
8495         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
8496         (struct inline_data): Add versioning_p, ipa_info, new fields.
8497         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
8498         declare_return_variable): Replace calls to copy_decl_for_inlining with
8499         copy_decl_for_dup.
8500         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
8501         versioning support.
8502         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
8503         Add argument VERSIONING.
8504         (copy_arguments_for_versioning, copy_static_chain,
8505         function_versionable_p, tree_versionable_function_p,
8506         tree_function_versioning, replace_ref_tree): New functions.
8507         * tree-inline.h: Include varray.h.
8508         (tree_versionable_function_p,  tree_function_versioning,
8509         tree copy_decl_for_dup): New declarations.
8510
8511 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8512
8513         * ipa-cp.c: New file. Contains IPCP specific functionality.
8514         * ipa-prop.h: New file. Contains structures/definitions that can be
8515         used by several interprocedural data flow optimizations (and also IPCP).
8516         * ipa-prop.c: New file.
8517         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
8518         * common.opt: Add ipa-cp flag.
8519         * timevar.def: Add IPCP optimization.
8520         * tree-optimize.c (init_tree_optimization_passes): Schedule
8521         pass_ipa_cp.
8522         * tree-pass.h (pass_ipa_cp): Declare.
8523
8524 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
8525
8526         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
8527         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
8528         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
8529         config/i386/i386.c, config/mips/mips.h,
8530         config/rs6000/rs6000.h, config/sh/sh.c,
8531         config/stormy16/stormy16.c: Fix comment typos.
8532
8533 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
8534
8535         PR c/22311
8536         * c-typeck.c (build_binary_op): Use common_type wrapper on
8537         shortened types.
8538         (common_type): Update comment.
8539
8540 2005-07-31  Steven Bosscher  <stevenb@suse.de>
8541
8542         PR target/23095
8543         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
8544         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
8545         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
8546
8547 2005-07-31  Jan Hubicka  <jh@suse.cz>
8548
8549         * pretty-print.h (pp_widest_integer): New macro.
8550         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
8551         counts.
8552
8553 2005-07-31  Jan Hubicka  <jh@suse.cz>
8554
8555         * output.h (enum section_category): Export from varasm.c
8556         (categorize_decl_for_section): Likewise.
8557         * varasm.c (enum section_category): Kill.
8558         (categorize_decl_for_section): Make global.
8559         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
8560         Declare.
8561         * i386.c (ix86_section_threshold): New static variable.
8562         (ix86_in_large_data_p, ix86_encode_section_info,
8563         x86_64_elf_unique_section,
8564         x86_64_elf_select_section): New functions.
8565         (TARGET_ENCODE_SECTION_INFO): Define
8566         (override_options): Enable medium model for PIC.
8567         (ix86_expand_prologue): Expand gen_set_got_rex64.
8568         (legitimate_constant_p): Handle new UNSPECs.
8569         (legitimate_pic_address_disp_p): Likewise.
8570         (legitimize_pic_address): Lower MEDIUM model addressing.
8571         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
8572         (enum cmodel): Add MEDIUM_PIC.
8573         (SYMBOL_REF_FAR_ADDR_P): New macro.
8574         (SYMBOL_FLAG_FAR_ADDR): New flag.
8575         * i386.md (movdi): Support medium model.
8576         (set_got_rex64): New pattern.
8577         * i386.opt (mlarge-data-threshold): New flag.
8578         * predicates.md (zext_operand/sext_operand): Deal with medium model.
8579         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
8580         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
8581         TARGET_ASM_UNIQUE_SECTION): New.
8582
8583         * invoke.texi (-mlarge_data_threshold): Document
8584
8585 2005-07-31  Jan Hubicka  <jh@suse.cz>
8586
8587         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
8588         (coalesce_vars): Likewise.
8589         * tree-ssa-live.c (coalesce_cost): New.
8590         (build_tree_conflict_graph): Use coalesce_cost.
8591         * tree-ssa-live.h (coalesce_cost): Declare.
8592
8593 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
8594
8595         * arm.md (all peepholes for post-increment operations): Delete.
8596         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
8597         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
8598         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
8599         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
8600         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
8601
8602 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
8603
8604         * fold-const.c (tree_expr_nonnegative_p): Always return true for
8605         non-integral types.
8606
8607 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
8608
8609         PR target/22582
8610         * doc/invoke.texi: Document -rdynamic.
8611
8612 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
8613
8614         PR c/23143
8615         * c-parser.c (c_parser_parms_list_declarator): Call
8616         mark_forward_parm_decls.
8617         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
8618         decls with visibility structure.
8619
8620 2005-07-30  Paul Brook  <paul@codesourcery.com>
8621
8622         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
8623
8624 2005-07-30  Paul Brook  <paul@codesourcery.com>
8625
8626         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
8627         prototype.
8628         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
8629         value for mode.
8630         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
8631
8632 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8633
8634         PR c/529
8635         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
8636         nested function declarators.
8637         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
8638         (grokparms): Call warn_if_shadowing for parameters used within the
8639         parameter list.
8640         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
8641         not used within the parameter list.
8642         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
8643
8644 2005-07-30  Jan Hubicka  <jh@suse.cz>
8645
8646         * expr.c (expand_expr_real_1): Do not load mem targets into register.
8647         * i386.c (ix86_fixup_binary_operands): Likewise.
8648         (ix86_expand_unary_operator): Likewise.
8649         (ix86_expand_fp_absneg_operator): Likewise.
8650         * optabs.c (expand_vec_cond_expr): Validate dest.
8651
8652 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8653
8654         PR c/21720
8655         * real.c (real_from_string): Also set last bit if there is a
8656         nonzero hex digit beyond GCC's internal precision after ".".
8657
8658 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
8659
8660         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
8661         define_constants.  Change duplicate values to unassigned numbers.
8662         Change UNSPEC_SUBS to UNSPEC_VSUBS.
8663         (*altivec_vspltsf): New.
8664         (altivec_vperm_v4sf): Delete.
8665         (altivec_vperm_<mode>): Use mode macro V.
8666         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
8667         (altivec_predicate_v4sf): Delete.
8668         (altivec_predicate_<mode>): Use mode macro V.
8669         (*altivec_lvesfx): New.
8670         (*altivec_stvesfx): New.
8671         (vec_realign_load_v4sf): Delete.
8672         (vec_realign_load_<mode>): Use mode macro V.
8673         * config/rs6000/rs6000.c (generate_set_vrsave): Use
8674         UNSPECV_SET_VRSAVE.
8675
8676 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
8677
8678         PR bootstrap/23131
8679         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
8680         string.
8681         * configure: Regenerated.
8682
8683 2005-07-29  Paul Brook  <paul@codesourcery.com>
8684
8685         * doc/install.texi: Add link to GFortran binaries wiki page.
8686
8687 2005-07-29  David Ung  <davidu@mips.com>
8688
8689         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
8690         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
8691         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
8692         * config/mips/mips.md (cpu): Add 5kf name.
8693         (includes): Includes 5k.md.
8694         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
8695         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
8696         -march flag.
8697
8698 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8699
8700         PR 22550
8701         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
8702         (cleanup_tree_cfg): ... here.
8703         Call cleanup_tree_cfg_1 until there are no more cleanups to
8704         do.
8705
8706 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
8707
8708         * tree-vrp.c (compare_range_with_value): Return true or false
8709         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
8710         EQ_EXPR respectively.
8711
8712 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
8713
8714         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
8715         Fix comment typos.
8716
8717 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8718
8719         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
8720         (tree_ssa_dominator_optimize): Increment it.
8721         (dump_dominator_optimization_stats): Print it.
8722
8723 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
8724             Steven Bosscher  <stevenb@suse.de>
8725
8726         PR rtl-optimization/23117
8727         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
8728         when head == tail.  Tidy comment.
8729
8730 2005-07-28  Richard Henderson  <rth@redhat.com>
8731
8732         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
8733         * cselib.c (rtx_equal_for_cselib_p): Likewise.
8734         * jump.c (rtx_renumbered_equal_p): Likewise.
8735         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
8736         CONST_INT and CONST_DOUBLE.
8737         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
8738         * reload.c (operands_match_p): Special case CONST_INT and
8739         CONST_DOUBLE; check mode earlier.
8740
8741 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8742
8743         PR c/22240
8744         * c-typeck.c (convert_for_assignment): Do not check
8745         DECL_IN_SYSTEM_HEADER on NULL fundecl.
8746
8747 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8748
8749         PR c/22192
8750         * c-typeck.c (composite_type): Prefer constant size arrays to
8751         VLAs.
8752
8753 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8754
8755         PR c/21720
8756         * real.c (real_from_string): Set last bit if there is a nonzero
8757         hex digit beyond GCC's internal precision.
8758
8759 2005-07-28  Richard Henderson  <rth@redhat.com>
8760
8761         PR rtl-opt/22619
8762         * cfgcleanup.c (try_forward_edges): Watch out for end of
8763         insn chain.
8764
8765 2005-07-28  James E Wilson  <wilson@specifixinc.com>
8766
8767         PR c/23106
8768         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
8769
8770 2005-07-28  Jan Hubicka  <jh@suse.cz>
8771
8772         * Makefile.in (rtl-profile.o): Kill all traces of it.
8773         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
8774         * coverage.h (rtl_coverage_counter_ref): Kill.
8775         * opts.c (flag_speculative_prefetching_set): Kill.
8776         (flag_loop_optimize_set): New.
8777         (common_handle_option): Disable loop optimizer when profiling;
8778         do not handle speculative prefetching.
8779         * passes.c (init_optimization_passes): Replace pass_profiling combo
8780         by branch_prob pass.
8781         * profile.c (compute_value_histograms): Update for simplified value
8782         profiles.
8783         (rtl_register_profile_hooks): Kill.
8784         (pass_profiling): Kill.
8785         (rest_of_handle_branch_prob): Do not profile.
8786         * toplev.c (process_options): Remove speculative prefetching.
8787         * toplev.h (flag_tree_based_profiling): Kill.
8788         * tree-profile.c (prepare_instrumented_value,
8789         tree_gen_interval_profiler, tree_gen_pow2_profiler,
8790         tree_gen_one_value_profiler, do_tree_profiling): Update for
8791         simplified datastructures.
8792         * value-prof.c: Add comment that speculative prefetching was dropped;
8793         update rest of file for simplified datastructures.
8794         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
8795         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
8796         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
8797         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
8798         rtl_mod_subtract, gen_speculative_prefetch,
8799         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
8800         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
8801         (gate_handle_value_profile_transformations,
8802         rest_of_handle_value_profile_transformations,
8803         pass_value_profile_transformations): Kill.
8804         * value-prof.h (histogram_value_t): Remove IL based unions.
8805         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
8806         rtl_profile_hooks): Remove hooks.
8807
8808         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
8809
8810         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
8811         (cgraph_clone_node): Likewise.
8812         * cgraph.h (cgraph_clone_edge): Update prototype.
8813         (cgraph_clone_node): Likewise.
8814         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
8815         cgraph_clone_node.
8816         (lookup_recursive_calls): Consider profile.
8817         (cgraph_decide_recursive_inlining): Fix updating; use new
8818         probability argument; use profile.
8819         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
8820         * tree-inline.c (copy_bb): Update clal of clone_edge.
8821         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
8822
8823         * invoke.texi (min-inline-recursive-probability): Document.
8824
8825 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
8826
8827         * doc/install.texi (Configuration): Update Valgrind homepage.
8828
8829 2005-07-28  Richard Henderson  <rth@redhat.com>
8830
8831         PR middle-end/21362
8832         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
8833         labels we want to delete.
8834         (cfg_layout_merge_blocks): Likewise.
8835
8836 2005-07-28  Richard Henderson  <rth@redhat.com>
8837
8838         PR target/17692
8839         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
8840         when expanding to nothing.
8841
8842 2005-07-28  Josh Conner  <jconner@apple.com>
8843
8844         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
8845         (cgraph_decide_inlining_of_small_functions): Likewise.
8846
8847 2005-07-28  Josh Conner  <jconner@apple.com>
8848
8849         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
8850         direction of badness if negative.
8851         (cgraph_default_inline_p): Add reason to parameters, and assign it
8852         a value.
8853         (cgraph_decide_inlining_of_small_functions): New parameter in call
8854         to cgraph_default_inline_p.
8855         (cgraph_decide_inlining_incrementally): Likewise.
8856         * cgraphunit.c (decide_is_function_needed): Likewise.
8857         * cgraph.h (cgraph_default_inline_p): Likewise.
8858
8859 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8860
8861         * builtins.c: Fix comment typo(s).
8862         * genautomata.c: Likewise.
8863         * gimplify.c: Likewise.
8864         * tree-dfa.c: Likewise.
8865         * tree-flow-inline.h: Likewise.
8866         * tree-into-ssa.c: Likewise.
8867         * tree-ssa-alias.c: Likewise.
8868         * tree-ssa-ccp.c: Likewise.
8869         * tree-ssa-copy.c: Likewise.
8870         * tree-ssa-dce.c: Likewise.
8871         * tree-ssa-dom.c: Likewise.
8872         * tree-ssa-operands.c: Likewise.
8873         * tree-tailcall.c: Likewise.
8874         * tree-vectorizer.c: Likewise.
8875         * tree-vrp.c: Likewise.
8876         * tree.c: Likewise.
8877
8878 2005-07-28  Jeff Law  <law@redhat.com>
8879
8880         * tree-vrp.c (test_for_singularity): Extracted from  ...
8881         (simplify_cond_using_ranges): Attempt to simplify a relational
8882         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
8883
8884 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
8885
8886         PR tree-optimization/22506
8887         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
8888         phis whose argument is constant.
8889
8890 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
8891
8892         PR rtl-optimization/18992
8893         Back out this patch:
8894           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8895           PR optimization/12142
8896           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
8897           uses of the register in the SET_SRC.  Remove unnecessary argument.
8898
8899         Replace it with this:
8900         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
8901         if flag_non_call_exceptions is set and the insn may trap, pass
8902         pc_rtx as dest for recursion.
8903         In SET_SRC part of SET case, if dest is already set, pass it down
8904         unchanged.
8905
8906 2005-07-28  Jan Hubicka  <jh@suse.cz>
8907
8908         * cfg.c (update_bb_profile_for_threading): Use RDIV.
8909         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
8910         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
8911         roundoff errors.
8912         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
8913         profile when available.
8914
8915 2005-07-28  Jan Beulich <jbeulich@novell.com>
8916
8917         * config/ia64/ia64.c (ia64_load_pair_ok): New.
8918         (ia64_print_operand): Describe and handle 'X'.
8919         (ia64_register_move_cost): Also handle FP_REGS.
8920         (ia64_preferred_reload_class): Likewise.
8921         (ia64_secondary_reload_class): Likewise.
8922         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
8923         it. Also check for ITANIUM_CLASS_FLDP.
8924         * config/ia64/ia64.h (FP_REGNO_P): New.
8925         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
8926         (reg_class): Add FP_REGS.
8927         (REG_CLASS_NAMES): Adjust for it.
8928         (REG_CLASS_CONTENTS): Likewise.
8929         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
8930         (REG_CLASS_FROM_LETTER): Handle 'x'.
8931         (CLASS_MAX_NREGS): Handle FP_REGS.
8932         (MEMORY_MOVE_COST): Likewise.
8933         * config/ia64/ia64.md (itanium_class): Add fldp.
8934         (type): Handle fldp.
8935         (movti_internal): More allowable operand combinations. Use ldfp8 when
8936         splitting unnecessary. Remove predicable attribute. Adjust
8937         itanium_class attribute.
8938         (smuldi3_highpart): Remove outdated comment.
8939         (mulditi3, umulditi3, rotlti3): New expanders.
8940         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
8941         (absti2): Disabled new insn for future reference.
8942         Respective new splitters.
8943         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
8944         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
8945         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
8946
8947 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
8948
8949         PR rtl-optimization/23047
8950         * simplify-rtx.c (simplify_const_relational_operation): Respect
8951         flag_wrapv for comparisons with ABS.
8952
8953 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
8954
8955         PR tree-optimization/22493
8956         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
8957         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
8958
8959 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
8960
8961         * config/frv/frv.opt (moptimize-membar): New.
8962
8963         * doc/invoke.texi: Document -moptimize-membar and its inverse.
8964
8965         * config/frv/frv.h: Remove machine_function definition.
8966
8967         * config/frv/frv.c (struct frv_io): New.
8968         (struct machine_function): Moved from frv.h.  Add has_membar_p.
8969         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
8970         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
8971         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
8972         (frv_optimize_membar_global, frv_optimize_membar): New functions.
8973         (frv_reorg): Call frv_optimize_membar when appropriate.
8974         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
8975         (frv_expand_builtin): Adjust calls accordingly.
8976         (frv_io_address_cookie): New function.
8977         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
8978         load or store rather than a special insn.  Add ccnstant address and
8979         io-type operands to the membar.
8980         (frv_ifcvt_modify_tests): Unsign regno.
8981         (frv_ifcvt_modify_tests): Same.
8982
8983         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
8984         UNSPEC_OPTIONAL_MEMBAR constant.
8985         (builtin_read_<mode>): Delete.
8986         (builtin_write_<mode>): Delete.
8987         ("optional_membar_<mode>"): Add operand.
8988
8989         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
8990         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
8991         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
8992         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
8993         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
8994         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
8995         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
8996         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
8997         * testsuite/gcc.target/frv/all-read-write-1.c: New.
8998
8999 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
9000
9001         * df.c (df_uses_record): Handle SCRATCH.
9002
9003 2005-07-28  Steven Bosscher  <stevenb@suse.de>
9004
9005         PR debug/20161
9006         * passes.c (rest_of_decl_compilation): If decl is a type and
9007         we have encountered errors, don't emit debug information.
9008
9009 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
9010
9011         * params.def: Fixed comment.
9012
9013 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
9014
9015         PR target/19885
9016         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
9017         (TARGET_ASM_UNALIGNED_HI_OP): Add.
9018         (TARGET_ASM_UNALIGNED_SI_OP): Add.
9019
9020 2005-07-27  Steven Bosscher  <stevenb@suse.de>
9021
9022         PR c++/22003
9023         * varasm.c (assemble_start_function): Don't do anything that may
9024         require a CFG if the current function is a thunk.
9025
9026 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
9027
9028         * doc/install.texi (Prerequisites): Mention that perl is needed
9029         to do export control in libstdc++ targetting Darwin.
9030
9031 2005-07-27  Steven Bosscher  <stevenb@suse.de>
9032
9033         PR rtl-optimization/17808
9034         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
9035         (sched_insns_conditions_mutex_p): Split out from...
9036         (add_dependence): ...here.  But don't call it from here.
9037         (add_dependence_list): Check sched_insns_conditions_mutex_p
9038         before calling add_dependence.
9039         (add_dependence_list_and_free): Likewise.
9040         (fixup_sched_groups): Likewise.
9041         (sched_analyze_1): Likewise.
9042         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
9043         (sched_analyze): Likewise.
9044         (sched_analyze_insn): Likewise.
9045         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
9046         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
9047         dependencies on all COND_EXEC insns to jumps ending basic blocks
9048         when doing intrablock scheduling.
9049         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
9050
9051 2005-07-27  Jeff Law  <law@redhat.com>
9052
9053         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
9054         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
9055         equivalency sets, correctly handle the case were vr0 has an
9056         equivalency set, but vr1 does not.
9057
9058 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
9059
9060         PR tree-optimization/23073
9061         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
9062         vect_print_dump_info before fprintf.
9063
9064 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9065
9066         PR tree-optimize/22348
9067         * tree-ssa-loop-niter.c (number_of_iterations_cond):
9068         Fold the partial computation.
9069
9070 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9071
9072         PR tree-optimization/22325
9073         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
9074         Declare.
9075         * tree-scalar-evolution.c (scev_const_prop): Add generic final
9076         value replacement.
9077         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
9078         (force_var_cost): ... this function.
9079         (compute_phi_arg_on_exit): Export.
9080
9081 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9082
9083         PR tree-optimization/20773
9084         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
9085         edge.
9086
9087 2005-07-27  Richard Guenther  <rguenther@suse.de>
9088
9089         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
9090         Avoid pushing again if current struct contains only
9091         fields we decomposed.
9092
9093 2005-07-27  Jan Hubicka  <jh@suse.cz>
9094
9095         PR tree-optimization/22574
9096         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
9097         not available.
9098
9099         * tree-tailcall.c (decrease_profile): New function.
9100         (eliminate_tail_call): Use it.
9101
9102         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
9103         visibility flags correctly in whole program mode.
9104
9105 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
9106
9107         PR rtl-optimization/22472
9108         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
9109
9110 2005-07-26  Steven Bosscher  <stevenb@suse.de>
9111
9112         PR tree-optimization/22504
9113         * tree-complex.c (expand_complex_addition): Use 'code' instead
9114         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
9115
9116 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
9117
9118         * config.gcc (cpu_type): Add frv case.
9119         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
9120         (supported_defaults): Add fr550 case.
9121
9122 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
9123
9124         PR 22591
9125         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
9126         whether a pointer of type T * may point to objects of type T *.
9127
9128 2005-07-26  DJ Delorie  <dj@redhat.com>
9129
9130         * configure: Regenerate.
9131
9132 2005-07-26  Dale Johannesen  <dalej@apple.com>
9133
9134         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
9135
9136 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
9137
9138         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
9139         Clarify use of "build" in name.
9140
9141 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
9142
9143         * doc/extend.texi (Raw read/write Functions): New section.
9144         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
9145         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
9146         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
9147         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
9148         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
9149         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
9150         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
9151         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
9152         * config/frv/frv.c: Add bdesc_loads global.
9153         Add bdesc_stores global.
9154         (frv_init_builtins): Add support for __builtin_{read/write}*.
9155         (frv_volatile_memref): New.
9156         (frv_expand_load_builtin): New.
9157         (frv_expand_store_builtin): New.
9158         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
9159         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
9160         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
9161         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
9162         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
9163         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
9164         (builtin_read_<mode>): New.
9165         (builtin_write_<mode>): New.
9166         (builtin_write64): New.
9167         (optional_membar_<mode>): New.
9168
9169 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
9170
9171         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
9172         (rather than units) against HOST_BITS_PER_WIDE_INT.
9173
9174 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
9175
9176         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
9177         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
9178         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
9179         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
9180         FSF address.
9181
9182         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
9183         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
9184         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
9185         comment typos.
9186         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
9187
9188 2005-07-26  Richard Guenther  <rguenther@suse.de>
9189
9190         PR tree-optimization/22486
9191         * fold-const.c (fold_unary): Fold away useless component
9192         references of the form (T *)&T.x, if the address
9193         doesn't change.
9194
9195 2005-07-25  James E Wilson  <wilson@specifixinc.com>
9196
9197         * dwarf2out.c (add_call_src_coords_attributes): New.
9198         (gen_inlined_subroutine_die): Call it.
9199         (maybe_emit_file, init_file_table): Add comments.
9200         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
9201         maybe_emit_file.
9202         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
9203         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
9204         * tree.h (BLOCK_SOURCE_LOCATION): New.
9205         (struct tree_block): New field locus.
9206
9207 2005-07-26  Andreas Schwab  <schwab@suse.de>
9208
9209         PR rtl-optimization/23043
9210         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
9211         when allocating a struct unoccr.
9212
9213 2005-07-25  Richard Henderson  <rth@redhat.com>
9214
9215         PR 22626
9216         * tree-complex.c (gate_no_optimization): True if errors.
9217         * Makefile.in (tree-complex.o): Update dependencies.
9218
9219 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
9220
9221         * config/frv/predicates.md (integer_register_operand): Use
9222         GPR_AP_OR_PSEUDO_P.
9223
9224 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
9225
9226         PR tree-opt/22484
9227         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
9228         after fold.
9229         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
9230
9231 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
9232
9233         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
9234         types when flag_unsafe_math_optimizations is true.
9235
9236 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
9237
9238         * gcc.c (option_map): Add --sysroot.
9239         (process_command): Handle --sysroot.
9240         (display_help): Document it.
9241         * doc/cppopts.tex (-isysroot): Document.
9242         * doc/invoke.texi (--sysroot): Document.
9243         * doc/install.texi (--with-build-sysroot): Document.
9244
9245         * Makefile.in (inhibit_libc): New variable.
9246         (INHIBIT_LIBC_CFLAGS): Likewise.
9247         (LIBGCC2_CFLAGS): Include
9248         $(INHIBIT_LIBC_CFLAGS).
9249         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
9250         ($(T)crtbegin.o): Do not use @inhibit_libc@.
9251         ($(T)crtend.o): Likewise.
9252         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
9253         ($(T)crtendS.o): Likewise.
9254         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
9255         ($(T)crtendT.o): Likewise.
9256         (stmp-fixinc): Do not complain about missing headers if
9257         inhibit_libc.
9258         * configure.ac (inhibit_libc): Set it to true/false.
9259         (--with-build-sysroot): New option.  Use it to set
9260         SYSTEM_HEADER_DIR.
9261         * configure: Regenerated.
9262
9263 2005-07-25  Manfred Hollstein  <mh@suse.com>
9264
9265         * calls.c (store_one_arg): Fix unsigned comparison warning.
9266
9267 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
9268
9269         PR other/22337
9270         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
9271         (ggc_print_statistics): Initialize variable before use.
9272
9273 2005-07-25  Richard Guenther  <rguenther@suse.de>
9274
9275         * tree-dfa.c (mark_new_vars_to_rename): Protect against
9276         calling with a PHI_NODE argument.
9277
9278         * tree-flow-inline.h (overlap_subvar): Protect against
9279         possible overflow.
9280
9281 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
9282
9283         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
9284         * configure: Regenerate.
9285
9286 2005-07-25  Ira Rosen  <irar@il.ibm.com>
9287
9288         * expr.c (highest_pow2_factor): Make extern.
9289         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
9290         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
9291         record_array_differ_p, array_ptr_differ_p): Likewise.
9292         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
9293         additional cases. Call the above functions.
9294         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
9295         base_object_differ_p when there are two base objects. Otherwise, compare
9296         base address and offset. Call may_alias_p.
9297         (dump_data_reference): Use a correct field name.
9298         (analyze_array): Make static. Initialize new data-ref fields.
9299         (analyze_indirect_ref): New function.
9300         (init_data_ref): Initialize new data-ref fields.
9301         (strip_conversion): Moved from tree-vect-analyze.c.
9302         (analyze_offset_expr, get_ptr_offset, address_analysis,
9303         object_analysis): Likewise.
9304         (analyze_offset): New function.
9305         (create_data_ref): Likewise.
9306         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
9307         dimensions for ARRAY_REFs only.
9308         (build_classic_dist_vector): Make static.
9309         (access_functions_are_affine_or_constant_p): Call macro to get the
9310         address of access functions.
9311         (compute_all_dependences): Add new parameter
9312         compute_self_and_read_read_dependences. Compute self and read-read
9313         dependences if it is true.
9314         (find_data_references_in_loop): Call create_data_ref. Initialize new
9315         data-ref fields.
9316         (compute_data_dependences_for_loop): Add new parameter
9317         compute_self_and_read_read_dependences. Remove parameter nb_loops,
9318         compute nb_loops. Call compute_all_dependences,
9319         build_classic_dist_vector and build_classic_dir_vector with correct
9320         parameters.
9321         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
9322         with correct parameters. Compare dimensions for ARRAY_REFs only.
9323         (free_data_refs): Call macro to free access functions.
9324         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
9325         fields from stmt_vinfo.
9326         (struct base_object_info): New structure.
9327         (struct data_reference): Move fields to base_object_info. Add fields
9328         first_location and object_info for above structures. Move fields from
9329         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
9330         aligned_to.  Add macros to access the new fields.
9331         Update functions declarations.
9332         * tree-flow.h (is_aliased_with): Declare.
9333         * tree-loop-linear.c (linear_transform_loops): Call
9334         compute_data_dependences_for_loop with correct parameters.
9335         * tree-ssa-alias.c (is_aliased_with): New function.
9336         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
9337         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
9338         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
9339         vect_base_addr_differ_p, compute_subscript_distance and
9340         build_classic_dist_vector. Add printings. Check absolute value of
9341         distance.
9342         (vect_analyze_data_ref_dependences): Go through ddrs instead of
9343         data-refs.
9344         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
9345         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
9346         to bytes. Add printing.
9347         (vect_compute_data_refs_alignment): Go through loads and stores in one
9348         loop.
9349         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
9350         vect_analyze_data_ref_access): Likewise.
9351         (vect_analyze_pointer_ref_access): Remove.
9352         (vect_address_analysis, vect_object_analysis): Likewise.
9353         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
9354         and analyze data-refs in the loop.
9355         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
9356         fields of data-ref instead of stmt. Add init to the offset from the
9357         base.
9358         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
9359         (vect_update_init_of_dr): Likewise.
9360         (vect_update_inits_of_drs): Go through loads and stores in one loop.
9361         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
9362         removed fields.
9363         (new_loop_vec_info): Initialize new fields.
9364         (destroy_loop_vec_info): Free new fields.
9365         (vect_strip_conversion): Remove.
9366         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
9367         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
9368         datarefs. Add new field ddrs.
9369         Add macros for the new fields access.
9370         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
9371         base_aligned_p, misalignment, memtag, ptr_info and subvars.
9372         Remove their macros.
9373         * tree.h (highest_pow2_factor): Declare.
9374
9375 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
9376
9377         * calls.c (store_one_arg): Check for sibling call MEM arguments
9378         from already clobbered incoming argument area.
9379
9380 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9381
9382         * c-common.c (check_missing_format_attribute): New.
9383         * c-common.h (check_missing_format_attribute): Likewise.
9384         * c-typeck.c (convert_for_assignment): Use it.
9385
9386 2005-07-24  Andreas Schwab  <schwab@suse.de>
9387
9388         * config/m68k/m68k.md ("extendqidi2"): When source is an address
9389         register use a word move.  Correct operand of ext.w in 68000 code.
9390
9391 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
9392
9393         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
9394         variables as declarations, rather than definitions.
9395
9396 2005-07-24  Ira Rosen  <irar@il.ibm.com>
9397
9398         PR tree-optimization/22526
9399         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
9400         of the zero node.
9401
9402 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
9403
9404         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
9405         that C99 reserve for future use. Use it to define clog10,
9406         clog10f and clog10l.
9407
9408 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9409
9410         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
9411         * configure.ac: Check for -Wmissing-format-attribute.
9412
9413         * configure: Regenerate.
9414
9415 2005-07-23  Richard Henderson  <rth@redhat.com>
9416
9417         PR tree-optimization/22623
9418         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
9419
9420 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
9421
9422         PR target/22577
9423         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
9424
9425 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9426
9427         * Makefile.in (C_TREE_H): Update dependencies.
9428         * c-tree.h: Include toplev.h.
9429         * diagnostic.h (diagnostic_set_info): Add format attribute.
9430         * rtl-error.c (diagnostic_for_asm): Likewise.
9431
9432 2005-07-23  Chao-ying Fu  <fu@mips.com>
9433
9434         * config/mips/mips-dsp.md: New file.
9435         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
9436         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
9437         functions.
9438         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
9439         MIPS_BUILTIN_BPOSGE32.
9440         (mips_expand_builtin_direct): Add one parameter to indicate that
9441         builtin functions need to return a value.
9442         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
9443         functions.
9444         (mips_regno_to_class): Add classes for 12 new DSP registers.
9445         (mips_subword): Change to check four HI registers.
9446         (mips_output_move): Output move to and from 6 new DSP accumulators.
9447         (override_options): Make sure -mdsp and -mips16 are not used together.
9448         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
9449         for machine modes.
9450         (mips_conditional_register_usage): Disable 6 new DSP accumulators
9451         when !TARGET_DSP.
9452         (print_operand): Add 'q' for printing DSP accumulators.
9453         (mips_cannot_change_mode_class): Check ACC_REGS.
9454         (mips_secondary_reload_class): Check ACC_REGS.
9455         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
9456         (mips_register_move_cost): Check ACC_REGS.
9457         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
9458         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
9459         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
9460         (dsp_bdesc): New array.
9461         (bdesc_arrays): Add DSP builtin function table.
9462         (mips_prepare_builtin_arg): Check predicate again after
9463         copy_to_mode_reg.
9464         (mips_expand_builtin): Add one more parameter to
9465         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
9466         MIPS_BUILTIN_BPOSGE32.
9467         (mips_init_builtins): Initialize new function types.
9468         (mips_expand_builtin_direct): Check if builtin functions need to
9469         return a value and pass operands properly.
9470         (mips_expand_builtin_bposge): New function.
9471         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
9472         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
9473         (FIRST_PSEUDO_REGISTER): Increase to 188.
9474         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
9475         Update for 12 new DSP registers.
9476         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
9477         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
9478         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
9479         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
9480         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
9481         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
9482         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
9483         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
9484         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
9485         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
9486         (REGISTER_NAMES): Add names for 12 new DSP registers.
9487         * config/mips/mips.md: Include mips-dsp.md.
9488         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
9489         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
9490         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
9491         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
9492         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
9493         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
9494         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
9495         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
9496         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
9497         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
9498         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
9499         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
9500         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
9501         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
9502         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
9503         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
9504         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
9505         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
9506         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
9507         (UNSPEC_RDDSP): New constants.
9508         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
9509         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
9510         A<-d alternative.
9511         * config/mips/mips.opt (-mdsp): New option.
9512         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
9513         (reg_imm10_operand): New predicates.
9514         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
9515         * doc/invoke.texi (-mdsp): Document new option.
9516
9517 2005-07-22  DJ Delorie  <dj@redhat.com>
9518
9519         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
9520         to warning calls.
9521         * tree-inline.c (inlinable_function_p): Likewise.
9522
9523 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
9524
9525         PR debug/21828
9526         * toplev.c (check_global_declarations): Do not mark undefined
9527         variables as DECL_IGNORED_P.
9528         * varasm.c (first_global_object_name): GTY it.
9529         (weak_global_object_name): Likewise.
9530         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
9531         a string to go into {weak,first}_global_object_name.
9532
9533 2005-07-22  DJ Delorie  <dj@redhat.com>
9534
9535         * c-format.c (check_function_format): Change warning control
9536         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
9537
9538 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
9539
9540         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
9541         &PTR->FLD a dereference of PTR.
9542         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
9543         a potential dereference of PTR.
9544
9545 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
9546
9547         PR rtl-optimization/20370
9548         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
9549         call allocate_reg_info if necessary.
9550
9551         PR rtl-optimization/21848
9552         * calls.c (emit_library_call_value_1): For const functions, add
9553         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
9554
9555         PR rtl-optimization/22445
9556         * cselib.c (target.h): Include.
9557         (rtx_equal_for_cselib_p): Allow commutative matches.
9558         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
9559         Remove MODE parameter.  Changed all callers.
9560
9561         PR rtl-optimization/22258
9562         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
9563         New functions.
9564         (try_combine): Use likely_spilled_retval_p.
9565
9566 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
9567
9568         * config.gcc: Add crx-elf support.
9569
9570         * doc/contrib.texi: Mention crx.
9571         * doc/extend.texi: Document crx extensions.
9572         * doc/install.texi: Document crx install.
9573         * doc/invoke.texi: Document crx options.
9574         * doc/md.texi: Document crx constraints.
9575
9576         * config/crx/crx-protos.h: New file.
9577         * config/crx/crx.c: New file.
9578         * config/crx/crx.h: New file.
9579         * config/crx/crx.md: New file.
9580         * config/crx/crx.opt: New file.
9581         * config/crx/t-crx: New file.
9582
9583 2005-07-22  Manfred Hollstein  <mh@suse.com>
9584
9585         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
9586         warnings.
9587         (int_add_graph_edge): Likewise.
9588         (collapse_nodes): Likewise.
9589         (process_unification_queue): Likewise.
9590
9591 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9592             Laurent GUERBY  <laurent@guerby.net>
9593
9594         PR tree-optimization/22336
9595         * function.c (record_block_change): Check for
9596         cfun->ib_boundaries_block.
9597
9598 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
9599
9600         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
9601         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
9602
9603 2005-07-21  DJ Delorie  <dj@redhat.com>
9604
9605         * toplev.c (warn_deprecated_use): Add warning control to warning
9606         call.
9607         * c-typeck.c (parser_build_binary_op): Likewise.
9608         (c_finish_if_stmt): Likewise.
9609         * c-common.c (check_function_sentinel): Likewise.
9610         (check_nonnull_arg): Likewise.
9611
9612 2005-07-21  Richard Henderson  <rth@redhat.com>
9613
9614         PR tree-opt/22504
9615         * tree-complex.c (complex_ssa_name_components): New.
9616         (cvc_lookup): Allow entry not found.
9617         (create_components): Remove.
9618         (create_one_component_var, get_component_var): New.
9619         (get_component_ssa_name, set_component_ssa_name): New.
9620         (extract_component): Use get_component_ssa_name.
9621         (update_complex_components): Use set_component_ssa_name.
9622         (update_complex_components_on_edge): Likewise.
9623         (update_phi_components): Create new PHI nodes directly, instead
9624         of adding insns to edges.
9625         (tree_lower_complex): Allocate and free complex_variable_components
9626         and complex_ssa_name_components here.
9627
9628 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
9629
9630         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
9631         revert to returning false.
9632
9633 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9634
9635         PR target/21149
9636         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
9637
9638 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9639
9640         PR target/22576
9641         * config/i386/i386.md (cmpxf): Change operand constraints
9642         to "nonmemory_operand".
9643
9644 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9645
9646         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
9647
9648 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9649
9650         PR middle-end/21180
9651         * fold-const.c (fold_build1): Add checksum for the operands.
9652         (fold_build2): Likewise.
9653         (fold_build3): Likewise.
9654
9655 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9656
9657         PR middle-end/19055
9658         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
9659
9660 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9661
9662         * common.opt (-fforward-propagate): Committed by mistake,
9663         removed.
9664
9665 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9666
9667         * reg-stack.c: Fix comment typo(s).
9668         * tree-ssa-operands.c: Likewise.
9669         * tree-vectorizer: Likewise.
9670
9671 2005-07-21  Nick Clifton  <nickc@redhat.com>
9672
9673         * config/sh/symbian.c: Replace C++ style line comments with C
9674         style line comments.
9675         (symbian_add_attribute): Do not use a ? operator on the LHS of
9676         an assignment.
9677         (sh_symbian_handle_dll_attribute): Change the type of the
9678         method vector to "VEC(tree,gc)*" and use vector accessor
9679         macros to walk over the elements.
9680         (symbian_export_vtable_and_rtti_p): Likewise.
9681         (symbian_class_needs_attribute_p): Likewise.
9682
9683 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9684
9685         PR target/22085
9686         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
9687         initialize targetm.resolve_overloaded_builtin here.
9688         (altivec_expand_overloaded_builtin): Make it non-static.
9689         * config/rs6000/rs6000-protos.h
9690         (altivec_expand_overloaded_builtin): New prototype.
9691         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
9692         targetm.resolve_overloaded_builtin here.
9693         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
9694
9695 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9696             Zdenek Dvorak  <dvorakz@suse.cz>
9697
9698         PR tree-optimization/19210
9699         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
9700         New.
9701         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
9702         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
9703         rely on unproven assumptions.
9704         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
9705         * tree-flow.h (number_of_iterations_exit): Add final parameter.
9706         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
9707         to number_of_iterations_exit.
9708         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
9709         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
9710         * tree-ssa-loop-niter.c (find_loop_niter,
9711         estimate_numbers_of_iterations_loop): Likewise.
9712         (number_of_iterations_exit): Honor the new options.
9713         * doc/invoke.texi (Wunsafe-loop-optimizations,
9714         funsafe-loop-optimizations): Document them.
9715
9716 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
9717
9718         PR rtl-optimization/22167
9719         * gcse.c (hoist_code): Fix hoist_exprs[] check.
9720
9721 2005-07-20  Adam Nemet  <anemet@lnxw.com>
9722
9723         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
9724         __do_global_dtors_aux longcall.
9725
9726 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
9727
9728         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
9729         (old_special_pred_table): Don't reference
9730         SPECIAL_MODE_PREDICATES.
9731         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
9732         * config/arc/arc.h: Don't mention PREDICATE_CODES.
9733         * config/sh/predicates.h: Don't mention
9734         SPECIAL_MODE_PREDICATES.
9735         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
9736         Remove.
9737
9738 2005-07-20  DJ Delorie  <dj@redhat.com>
9739
9740         * config.gcc: Add m32c-elf support.
9741
9742         * doc/contrib.texi: Mention m32c.
9743         * doc/extend.texi: Document m32c extensions.
9744         * doc/install.texi: Mention m32c.
9745         * doc/invoke.texi: Document m32c options.
9746         * doc/md.texi: Document m32c constraints.
9747
9748         * config/m32c/addsub.md: New file.
9749         * config/m32c/bitops.md: New file.
9750         * config/m32c/cond.md: New file.
9751         * config/m32c/jump.md: New file.
9752         * config/m32c/m32c-lib1.S: New file.
9753         * config/m32c/m32c-lib2.c: New file.
9754         * config/m32c/m32c-modes.def: New file.
9755         * config/m32c/m32c-pragma.c: New file.
9756         * config/m32c/m32c-protos.h: New file.
9757         * config/m32c/m32c.abi: New file.
9758         * config/m32c/m32c.c: New file.
9759         * config/m32c/m32c.h: New file.
9760         * config/m32c/m32c.md: New file.
9761         * config/m32c/m32c.opt: New file.
9762         * config/m32c/minmax.md: New file.
9763         * config/m32c/mov.md: New file.
9764         * config/m32c/muldiv.md: New file.
9765         * config/m32c/predicates.md: New file.
9766         * config/m32c/prologue.md: New file.
9767         * config/m32c/shift.md: New file.
9768         * config/m32c/t-m32c: New file.
9769
9770 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9771
9772         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
9773         (stack_protect_set, stack_protect_test): New expanders.
9774         (stack_protect_set_si, stack_protect_set_si_media,
9775         stack_protect_set_di_media, stack_protect_test_si,
9776         stack_protect_test_si_media, stack_protect_test_di_media):
9777         New insns.
9778
9779 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
9780
9781         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
9782
9783 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
9784
9785         * tree.h (tree_expr_nonzero_p): Export.
9786         * fold-const.c (tree_expr_nonzero_p): Likewise.
9787         Return true for CALL_EXPRs that are alloca calls.
9788         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
9789         against zero.
9790         * tree-flow.h (expr_computes_nonzero): Remove.
9791         * tree-vrp.c (expr_computes_nonzero): Remove.
9792         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
9793         (extract_range_from_unary_expr): Likewise.
9794         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
9795         tree_expr_nonzero_p.
9796
9797 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
9798
9799         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
9800         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
9801         extra arg "picreg" and use it instead of pic_offset_table_rtx.
9802         All callers changed.
9803         (frame_related_constant_load): New arg "related" which controls
9804         setting of RTX_FRAME_RELATED_P.  All callers changed.
9805         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
9806         (bfin_expand_prologue): Add stack limit checking.
9807         * config/bfin/bfin.md (trapifcc): New pattern.
9808
9809         * config/bfin/bfin.c: Include "langhooks.h".
9810         (def_builtin): Go through lang_hooks to call builtin_function.
9811
9812         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
9813         * config/bfin/predicates.md (symbol_ref_operand): New.
9814         (call_insn_operand): Delete.  All callers changed to use
9815         register_no_elim_operand.
9816         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
9817         call_cookie field.
9818         (function_arg): Use it to generate the call's operand 2.
9819         (bfin_longcall_p): New function.
9820         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
9821         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
9822         determine if the address needs to be in a REG.
9823         (bfin_handle_longcall_attribute): New function.
9824         (bfin_attribute_table): Add "longcall" and "shortcall".
9825         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
9826         (CUMULATIVE_ARGS): New member call_cookie.
9827         (PREDICATE_CODES): Add symbol_ref_operand.
9828         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
9829         extra USE to the pattern.
9830         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
9831         New patterns, split off call_insn, sibcall_insn, call_value_insn and
9832         sibcall_value_insn; now the new patterns handle direct calls and the
9833         old ones indirect calls.
9834         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
9835
9836 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
9837
9838         * doc/trouble.texi: Update section on handling of empty loops.
9839
9840 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
9841
9842         * config.gcc: Remove support for sparc-*-openbsd*,
9843         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
9844         ns32k-*-netbsd*.
9845         * config.host: Remove support for i860-*-sysv4* as a host.
9846         * config/i860/*, config/ip2k/*, config/ns32k/*,
9847         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
9848         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
9849         mention obsolete ports.
9850
9851 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9852
9853         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
9854         soft frame pointer.
9855         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
9856         of frame_pointer_rtx.
9857         (sh_expand_epilogue): Likewise.
9858         (sh_set_return_address): Likewise.
9859         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
9860         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
9861         offsets from FRAME_POINTER_REGNUM.
9862         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
9863         (sh_register_names): Add initializer for sfp.
9864         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
9865         (VALID_REGISTER_P): Likewise.
9866         (FIRST_PSEUDO_REGISTER): Update.
9867         (DWARF_FRAME_REGISTERS): Define.
9868         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
9869         (HARD_FRAME_POINTER_REGNUM): Define.
9870         (FRAME_POINTER_REGNUM): Redefine.
9871         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
9872         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
9873         from FRAME_POINTER_REGNUM.
9874         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
9875         FRAME_POINTER_REGNUM.
9876         (REG_CLASS_CONTENTS): Add sfp.
9877         (REG_ALLOC_ORDER): Likewise.
9878         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
9879         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
9880         of frame_pointer_rtx.
9881         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
9882
9883 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
9884
9885         * fold-const.c (tree_expr_nonnegative_p): Only return true for
9886         ABS_EXPR when flag_wrapv is false because of INT_MIN.
9887         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
9888         of an ABS_EXPR.
9889         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
9890         ABS_EXPR<x>.
9891
9892 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
9893
9894         Make CONSTRUCTOR use VEC to store initializers.
9895         * c-common.c (complete_array_type): Update to cope with VEC in
9896         CONSTRUCTOR_ELTS.
9897         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
9898         (pp_c_constructor_elts): New function.
9899         * c-pretty-print.h (pp_c_constructor_elts): Declare.
9900         * c-typeck.c (build_function_call, build_c_cast, digest_init,
9901         struct constructor_stack, struct initializer_stack,
9902         constructor_elements, push_init_level, pop_init_level,
9903         add_pending_init, find_init_member, output_init_element): Update to
9904         cope with VEC in CONSTRUCTOR_ELTS.
9905         * coverage.c (build_fn_info_value, build_ctr_info_value,
9906         build_gcov_info): Likewise.
9907         * expr.c (categorize_ctor_elements_1, store_constructor,
9908         expand_expr_real_1): Likewise.
9909         * fold-const.c (fold_ternary): Likewise.
9910         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
9911         gimplify_init_constructor, gimplify_expr): Likewise.
9912         * tree-dump.c (dequeue_and_dump): Likewise.
9913         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
9914         node.
9915         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
9916         CONSTRUCTOR_ELTS.
9917         * tree-sra.c (generate_element_init_1): Likewise.
9918         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
9919         * tree-ssa-operands.c (get_expr_operands): Likewise.
9920         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
9921         * tree-vect-transform.c (vect_get_vec_def_for_operand):
9922         (get_initial_def_for_reduction): Likewise.
9923         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
9924         value handle in annotations.
9925         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
9926         tree_node_structure): Add support for constr_kind.
9927         (build_vector_from_ctor, build_constructor_single,
9928         build_constructor_from_list): New functions.
9929         (build_constructor): Update to take a VEC instead of a TREE_LIST.
9930         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
9931         Update to cope with VEC in CONSTRUCTOR_ELTS.
9932         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
9933         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
9934         CONSTRUCTOR_APPEND_ELT): New macros.
9935         (struct constructor_elt, struct tree_constructor): New data types.
9936         (union tree_node): Add tree_constructor field.
9937         * treestruct.def: Define TS_CONSTRUCTOR.
9938         * varasm.c (const_hash_1, compare_constant, copy_constant,
9939         compute_reloc_for_constant, output_addressed_constants,
9940         initializer_constant_valid_p, output_constant,
9941         array_size_for_constructor, output_constructor): Update to cope with
9942         VEC in CONSTRUCTOR_ELTS.
9943         * vec.h (VEC_empty, VEC_copy): New macros.
9944
9945 2005-07-19  Devang Patel  <dpatel@apple.com>
9946
9947         * dbxout.c (dbxout_type): Check Objective-C++ lang.
9948
9949 2005-07-19  Richard Henderson  <rth@redhat.com>
9950
9951         PR tree-opt/22278
9952         * gimplify.c (gimplify_expr): Use main variant type for the temp
9953         destination for a discarded volatile read.
9954         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
9955         casts between non-void types that change volatility.
9956
9957 2005-07-15  DJ Delorie  <dj@redhat.com>
9958
9959         * toplev.h: Add comment about the first parameter for warning().
9960         * errors.h: Likewise.
9961
9962         * c.opt (Wpragmas): New.
9963         * doc/invoke.texi: Document it.
9964
9965         * function.c (do_warn_unused_parameter): Add warning control to
9966         warning call.
9967         * c-decl.c (warn_if_shadowing): Likewise.
9968         * c-lex.c (cb_def_pragma): Likewise.
9969         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
9970         (pop_alignment): Likewise.
9971         (handle_pragma_pack): Likewise.
9972         (apply_pragma_weak): Likewise.
9973         (handle_pragma_weak): Likewise.
9974         (handle_pragma_redefine_extname): Likewise.
9975         (add_to_renaming_pragma_list): Likewise.
9976         (handle_pragma_extern_prefix): Likewise.
9977         (maybe_apply_renaming_pragma): Likewise.
9978         (handle_pragma_visibility): Likewise.
9979
9980         * config/c4x/c4x-c.c (BAD): Likewise.
9981         (c4x_parse_pragma): Likewise.
9982         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
9983         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
9984         (rs6000_pragma_longcall): Likewise.
9985         * config/v850/v850-c.c (pop_data_area): Likewise.
9986         (ghs_pragma_section): Likewise.
9987         (ghs_pragma_section): Likewise.
9988         (ghs_pragma_interrupt): Likewise.
9989         (ghs_pragma_starttda): Likewise.
9990         (ghs_pragma_startsda): Likewise.
9991         (ghs_pragma_startzda): Likewise.
9992         (ghs_pragma_endtda): Likewise.
9993         (ghs_pragma_endsda): Likewise.
9994         (ghs_pragma_endzda): Likewise.
9995
9996 2005-07-19  Danny Berlin <dberlin@dberlin.org>
9997             Kenneth Zadeck <zadeck@naturalbridge.com>
9998
9999         * Makefile.in: Removed tree-promote-statics.c
10000         * tree-promote-statics.c: Removed.
10001         * common.opt: Removed flag-promote-statics.
10002         * opts.c: Ditto.
10003         * passes.c: Removed tree-promote-statics pass.
10004         * tree-pass.h: Ditto.
10005         * timevar.def: Removed TV_PROMOTE_STATICS.
10006
10007
10008 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
10009
10010         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
10011         and *-*-freebsd9.
10012         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
10013
10014 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10015
10016         PR c/22476
10017         * c-common.c (check_function_arguments): Call
10018         'check_function_format' if either -Wformat or
10019         -Wmissing-format-attribute are specified.
10020         * c-format.c (check_function_format): Check -Wformat before
10021         calling 'check_format_info'.
10022         * c-opts.c (c_common_post_options): Don't warn for
10023         -Wmissing-format-attribute without -Wformat.
10024         * c-typeck.c (convert_for_assignment): Detect additional cases for
10025         -Wmissing-format-attribute.
10026         * doc/invoke.texi (-Wmissing-format-attribute): Document new
10027         behavior.
10028
10029 2005-07-19  Richard Guenther  <rguenther@suse.de>
10030
10031         * config/i386/i386.md (lrint<mode>2): Use temporary
10032         instead of clobbering non-existent memory.
10033
10034 2005-07-19  Nick Clifton  <nickc@redhat.com>
10035
10036         * config/avr/avr.c (legitimate_address_p): Fix debugging print
10037         statement to avoid displaying ASCII control characters.
10038
10039 2005-07-19  Ben Elliston  <bje@au.ibm.com>
10040
10041         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
10042         * cfganal.c (find_edge_index): Ditto.
10043         * combine.c (combine_instructions): Ditto.
10044         * ddg.c (create_scc): Ditto.
10045         (find_successors): Ditto.
10046         (find_predecessors): Ditto.
10047         (find_nodes_on_paths): Ditto.
10048         (longest_simple_path): Ditto.
10049         * flow.c (update_life_info): Ditto.
10050         (count_or_remove_death_notes): Ditto.
10051         (clear_log_links): Ditto.
10052         * modulo-sched.c (generate_reg_moves): Ditto.
10053         (find_max_asap): Ditto.
10054         (find_max_hv_min_mob): Ditto.
10055         (find_max_dv_min_mob): Ditto.
10056         * sbitmap.c (sbitmap_first_set_bit): Ditto.
10057         * sched-rgn.c (extract_edgelst): Ditto.
10058         * tree-into-ssa.c (prepare_names_to_update): Ditto.
10059         (dump_update_ssa): Ditto.
10060         (ssa_names_to_replace) Ditto.
10061         (switch_virtuals_to_full_rewrite): Ditto.
10062         (update_ssa): Ditto.
10063         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
10064
10065 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
10066
10067         Fix PR tree-optimization/22483
10068
10069         * tree-complex.c (create_components): Use
10070         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
10071         * tree-flow-inline.h (fill_referenced_var_vec): New function.
10072         * tree-flow.h (safe_referenced_var_iterator): New structure.
10073         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
10074         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
10075         safe_referenced_var iterator.
10076         (add_type_alias): Ditto.
10077
10078 2005-07-19  Steven Bosscher  <stevenb@suse.de>
10079
10080         * loop-init.c (rest_of_handle_loop2): Remove.
10081         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
10082         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
10083         (pass_rtl_loop_init, pass_rtl_loop_done,
10084         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
10085         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
10086         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
10087         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
10088         pass_tree_loop_done, and pass_tree_unswitch.
10089         (gate_loop): Rename to gate_tree_loop.
10090         * passes.c (init_optimization_passes): Update for renamed tree
10091         loop passes.  Add the new loop2 passes as subpasses of loop2.
10092         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
10093         Update for the renamed tree loop passes.
10094
10095 2005-07-18  Ian Lance Taylor  <ian@airs.com>
10096
10097         PR middle-end/22057
10098         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
10099         blocks when optimizing.
10100
10101 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
10102
10103         * common.opt (frename-registers): Initialize to 2.
10104         (fweb): Ditto.
10105         (fgcse-after-reload): Ditto.
10106         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
10107         (process_options): Only change flag_web, flag_rename_registers,
10108         and flag_rerun_cse_after_loop if not explicitly set by user.
10109
10110 2005-07-18  Jan Beulich  <jbeulich@novell.com>
10111
10112         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
10113         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
10114         in 64-bit mode the same as DImode in 32-bit mode.
10115         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
10116         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
10117         mode. Add new mode parameter.
10118         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
10119         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
10120         x86_64_shift_adj): New expanders.
10121         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
10122         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
10123         insns.
10124         Respective new splitters. Use renamed shift splitter helpers in 32-bit
10125         DImode shift splitters.
10126         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
10127         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
10128         mode parameter.
10129
10130 2005-07-18  Jan Beulich  <jbeulich@novell.com>
10131
10132         * i386.md (movdi_extzv_1): New.
10133         (zero_extendhidi2): Combine alternatives and never force use of
10134         REX64 prefix.
10135         (zero_extendqidi2): Likewise. Don't restrict input selection.
10136
10137 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10138
10139         Fix PR tree-optimization/22531
10140         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
10141          moment.
10142
10143 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10144
10145         * tree-promote-statics.c (pass_promote_statics): Change dump file
10146          name.
10147
10148 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10149
10150         * tree-optimize.c (init_tree_optimization_passes): Add
10151         pass_eliminate_useless_stores pass.
10152         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
10153         * tree-ssa-pre.c (is_copy_stmt): New function.
10154         (follow_copies_till_vuse): Ditto.
10155         (do_eustores): Ditto.
10156         (gate_eustores): Ditto.
10157
10158 2005-07-16  Richard Henderson  <rth@redhat.com>
10159
10160         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
10161
10162 2005-07-16 Danny Berlin <dberlin@dberlin.org>
10163            Kenneth Zadeck <zadeck@naturalbridge.com>
10164
10165         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
10166         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
10167         ipa-type-escape.h, tree-promote-statics.c
10168         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
10169         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
10170         tree-promote-statics.c: new files.
10171         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
10172         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
10173         int nonlocal_set_p, mark_constant_function): Deleted.
10174         (rest_of_handle_cfg): Removed call to mark_constant_function.
10175         (nonoverlapping_component_refs_p): Added calls to support
10176         type based aliasing.
10177         * tree-ssa-alias.c (may_alias_p,
10178         compute_flow_insensitive_aliasing): Ditto.
10179         * calls.c (flags_from_decl_or_type): Removed reference to
10180         cgraph_rtl_info.
10181         * c-typeck.c (convert_arguments): Make builtins tolerant of having
10182         too many arguments.  This is necessary for Spec 2000.
10183         * cgraph.h (const_function, pure_function): Removed.
10184         * common.opt: Added "fipa-pure-const", "fipa-reference",
10185         "fipa-type-escape", and "ftree-promote-static".
10186         * opts.c: Ditto.
10187         * passes.c: Added ipa and tree-promote-statics passes.
10188         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
10189         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
10190         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
10191         * tree-flow.h: Added exposed sra calls and addition of
10192         reference_vars_info field for FUNCTION_DECLS.
10193         * tree-pass.h: Added passes.
10194         * tree-sra.c: (sra_init_cache): New function.
10195         (sra_insert_before, sra_insert_after) Made public.
10196         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
10197         and made public.
10198         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
10199         aliasing. (may_alias_p): Added code to use type escape analysis to
10200         improve alias sets.
10201         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
10202         code to prune clobbers of static variables based on information
10203         produced in ipa-reference pass.  Changed call clobbering so that
10204         statics are not marked as clobbered if the call does not clobber
10205         them.
10206
10207 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
10208
10209         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
10210         too.
10211
10212 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
10213
10214         * doc/install.texi (*-*-solaris2*): Document recommended version
10215         of GNU binutils and mention GNU linker problem on Solaris 10.
10216
10217 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
10218
10219         PR c/22421
10220         * c-decl.c (c_build_bitfield_integer_type): New function.
10221         (finish_struct): Call it.
10222         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
10223
10224 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10225
10226         * c-typeck.c (digest_init): Call 'convert_for_assignment'
10227         before returning.
10228
10229 2005-07-16  Jan Hubicka  <jh@suse.cz>
10230
10231         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
10232         (scale_bbs_frequencies_int): Watch roundoff errors.
10233         * predict.c (return_prediction): Initialize return_stmt.
10234
10235 2005-07-16  Jan Hubicka  <jh@suse.cz>
10236
10237         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
10238         after RTL profiling.
10239
10240 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
10241
10242         PR middle-end/22398
10243         * fold-const.c (build_range_check): Convert high/low to etype
10244         if we are only comparing against exp.
10245
10246 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
10247
10248         Fix PR tree-optimization/22376
10249         * tree-ssa-structalias.c (build_constraint_graph): We really meant
10250         special var here.
10251         (need_to_solve): New function.
10252         (compute_points_to_sets): Use it.
10253
10254 2005-07-15  Jan Hubicka  <jh@suse.cz>
10255
10256         * cfg.c (update_bb_profile_for_threading): More diagnostic.
10257         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
10258
10259 2005-07-15  Richard Guenther  <rguenther@suse.de>
10260
10261         * c-common.c (handle_flatten_attribute): New function.
10262         Add flatten function attribute.
10263         * doc/extend.texi: Document flatten function attribute.
10264         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
10265         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
10266         New functions.
10267         (cgraph_decide_inlining): Handle functions with flatten
10268         attribute.
10269
10270 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
10271
10272         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
10273         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
10274         UNSPEC_XCHG, UNSPEC_AND): New.
10275         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
10276         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
10277         * config/rs6000/sync.md (FETCHOP): New code macro.
10278         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
10279         New code attrs.
10280         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
10281         (sync_compare_and_swap<mode>): Same.
10282         (sync_lock_test_and_set<mode>): Same.
10283         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
10284         for QImode and HImode, and not PPC405.
10285         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
10286         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
10287         (sync_<fetchop>{si,di}_internal): New.
10288         (sync_nand{si,di}_internal): New.
10289         (sync_old_<fetchop>{si,di}_internal): New.
10290         (sync_old_nand{si,di}_internal): New
10291         (sync_new_<fetchop>{si,di}_internal): New.
10292         (sync_new_nand{si,di}_internal): New.
10293         (atomic_and{si,di}): New.
10294         (sync_new_nand{si,di}_internal): New.
10295         (atomic_and{si,di}): New.
10296         (sync_add<mode>_internal): Delete.
10297         (sync_addshort_internal): Use unspec instead of unspec_volatile.
10298         (sync_sub<mode>_internal): Delte.
10299         (sync_subshort_internal): New.
10300         (sync_andsi_internal): Use unspec instead of unspec_volatile.
10301         (sync_anddi_internal): Delete.
10302         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
10303         (sync_booldi_internal): Delete.
10304         (sync_boolc<mode>_internal): Delete.
10305         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
10306         (sync_boolc<mode>_internal2): Delete.
10307         (sync_boolcc<mode>_internal): Delete.
10308         (isync, lwsync): Use unspec instead of unspec_volatile.
10309         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
10310         Revert UNSPEC_VOLATILE.
10311         (rs6000_split_atomic_op): New.
10312         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
10313
10314 2005-07-14  Eric Christopher  <echristo@redhat.com>
10315
10316         * config/mips/mips.c (mips_canonicalize_comparison): Cast
10317         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
10318
10319 2005-07-14  Eric Christopher  <echristo@redhat.com>
10320
10321         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
10322
10323 2005-07-14  Steven Bosscher  <stevenb@suse.de>
10324
10325         PR tree-optimization/22230
10326         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
10327         the computation of the four cross productions for "range op range".
10328
10329 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
10330             Ulrich Weigand  <uweigand@de.ibm.com>
10331
10332         PR target/20126
10333         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
10334         in some insn.
10335
10336 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
10337
10338         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
10339
10340 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
10341
10342         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
10343
10344 2005-07-14  Richard Guenther  <rguenther@suse.de>
10345
10346         PR middle-end/22347
10347         * config/i386/i386-protos.h (ix86_function_value): Change
10348         prototype to match new target hook.
10349         * config/i386/i386.c (ix86_value_regno): Change prototype
10350         to take extra type argument.
10351         (TARGET_FUNCTION_VALUE): Define.
10352         (ix86_function_ok_for_sibcall): Pass extra argument to
10353         ix86_value_regno, check return slot rtx for exact match.
10354         (ix86_function_value): Take extra parameter.  Dispatch to
10355         ix86_value_regno with fndecl/fntype as provided.
10356         (ix86_value_regno): Handle extra type argument.
10357         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
10358
10359         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
10360         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
10361         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
10362         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
10363         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
10364
10365 2005-07-14  Richard Guenther  <rguenther@suse.de>
10366
10367         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
10368         * calls.c (expand_call): Pass fntype to hard_function_value.
10369         (emit_library_call_value_1): Likewise.
10370         * explow.c: Include target.h.
10371         (hard_function_value): Take extra argument, the fntype.
10372         Use new target hook for function_value.
10373         * expr.h (hard_function_value): Change prototype.
10374         * function.c (aggregate_value_p): Pass 0 as fntype to
10375         hard_function_value.
10376         (assign_parms): Use new target hook for function_value.
10377         Pass 0 as fntype to hard_function_value.
10378         (expand_function_end): Likewise.
10379         * reg-stack.c: Include target.h.
10380         (stack_result): Use new target hook for function_value.
10381         * target-def.h: New target hook function_value.
10382         * target.h: Likewise.
10383         * targhooks.c (default_function_value): New function.
10384         * targhooks.h (default_function_value): Declare.
10385
10386 2005-07-13  Ian Lance Taylor  <ian@airs.com>
10387
10388         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
10389
10390 2005-07-14  Jan Hubicka  <jh@suse.cz>
10391
10392         * tree-dfa.c (dump_variable): Use default_def function.
10393         * tree-ssa-alias.c (dump_points_to_info): Likewise.
10394         * tree-ssa.c (verify_use): Likewise.
10395         * tree-ssanames.c (release_ssa_name): Likewise.
10396         * tree-tailcall.c (eliminate_tail_call): Likewise.
10397         (tree_optimize_tail_calls_1): Likewise.
10398         * tree-vrp.c (get_value_range): Likewise.
10399
10400 2005-07-14  Ben Elliston  <bje@au.ibm.com>
10401
10402         * gcc.c (main): Compare language[0] with '*' when iterating over
10403         the infiles.
10404
10405 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10406
10407         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
10408         "s390_emit_compare".  Add handling of CCZ1mode.
10409         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
10410         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
10411         checking.
10412         (s390_branch_condition_mask): Add CCZ1mode handling.
10413         * config/s390/s390.md: ("seq", "*seq"): New pattern.
10414         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
10415         Use CCZ1mode instead of CCZmode.
10416         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
10417
10418 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10419
10420         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
10421         pattern.
10422         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
10423
10424 2005-07-13  Eric Christopher  <echristo@redhat.com>
10425
10426         * config/mips/mips.c (mips_canonicalize_comparison): New.
10427         (mips_emit_int_relational): Use.
10428
10429 2005-07-13  Eric Christopher  <echristo@redhat.com>
10430
10431         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10432         static extra parts.
10433         * config/s390/s390.md: Include tpf.md. Move tpf specific
10434         patterns...
10435         * config/s390/tpf.md: To here.
10436         * config/s390/s390.opt: Move tpf specific options...
10437         * config/s390/tpf.opt: to here. Add mmain option.
10438         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10439         * config/s390/tpf.h: Rewrite.
10440
10441 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10442
10443         * doc/tm.texi: Remove @xref{Cross-profiling}.
10444
10445 2005-07-13  Jeff Law  <law@redhat.com>
10446
10447         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
10448         expressions, test their _DECL operands for pointer equality rather
10449         than using operand_equal_p.
10450
10451 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10452
10453         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
10454         (TARGET_POSIX_IO): This.
10455         * config/darwin.h: Likewise.
10456         * config/freebsd.h: Likewise.
10457         * config/linux.h: Likewise.
10458         * config/lynx.h: Likewise.
10459         * config/netbsd.h: Likewise.
10460         * config/rs6000/linux64.h: Likewise.
10461         * config/rs6000/linux.h: Likewise.
10462         * config/s390/tpf.h: Likewise.
10463         * config/sh/embed-elf.h: Likewise.
10464         * config/sparc/linux64.h: Likewise.
10465         * config/sparc/linux.h: Likewise.
10466         * config/svr4.h: Likewise.
10467         * gcov-io.h: Likewise.
10468
10469         * doc/tm.texi: Updated.
10470
10471         * libgcov.c (create_file_directory): Defined only if
10472         TARGET_POSIX_IO is defined.
10473         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
10474         is defined.
10475
10476 2005-07-13  Jan Hubicka  <jh@suse.cz>
10477
10478         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
10479
10480 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
10481
10482         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
10483         structure as argument.
10484
10485 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
10486
10487         PR tree-optimization/21921
10488         * tree-iterator.c (tsi_link_before): Support the case when
10489         tsi_end_p (tsi) == true.
10490
10491 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10492
10493         PR tree-optimization/22442
10494         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
10495         correctly.
10496
10497 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10498
10499         PR rtl-optimization/20376
10500         * toplev.c (process_options): Enable -fweb and -frename-registers when
10501         unrolling.
10502         * doc/invoke.texi: Update the information about when -fweb and
10503         -frename-registers are enabled.
10504
10505 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10506
10507         PR tree-opt/21840
10508         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
10509         if *rhs_p is not a SSA_NAME.
10510
10511 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
10512
10513         Fix PR tree-optimization/22422
10514         * tree-ssa-structalias.c (struct variable_info): Add flag for
10515         special vars.
10516         (get_varinfo): Now a static function.
10517         (new_varinfo): init has_union and is_special_var to false.
10518         (solution_set_add): Check has_union.
10519         (do_da_constraint): Move temporary variable so it gets reset
10520         properly.
10521         Also check for special variable.
10522         (do_ds_constraint): Ditto.
10523         (do_sd_constraint): Ditto.
10524         (do_structure_copy): Check for special variable.
10525         (find_func_aliases): Ditto.
10526         (init_base_vars): Set special vars properly.
10527
10528 2005-07-13  Jan Hubicka  <jh@suse.cz>
10529
10530         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
10531         do unit-at-a-time.
10532
10533         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
10534         (get_expr_operands): Fix thinko wrt flags and subvars.
10535
10536         PR tree-optimize/22379
10537         * tree-inline.c (expand_call_inline): Do not output sorry in early
10538         inlining.
10539
10540 2005-07-12  Dale Johannesen  <dalej@apple.com>
10541
10542         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
10543
10544 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10545
10546         PR bootstrap/21704
10547         * host-linux.h: Include limits.h.
10548
10549 2005-07-12  Dale Johannesen  <dalej@apple.com>
10550
10551         * expr.c (compress_float_constant):  Add cost check.
10552         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
10553
10554 2005-07-12  Dale Johannesen  <dalej@apple.com>
10555
10556         * gcc.target/i386/compress-float-sse.c:  New.
10557         * gcc.target/i386/compress-float-sse-pic.c:  New.
10558         * gcc.target/i386/compress-float-387.c:  New.
10559         * gcc.target/i386/compress-float-387-pic.c:  New.
10560         * gcc.dg/compress-float-ppc.c:  New.
10561         * gcc.dg/compress-float-ppc-pic.c:  New.
10562
10563 2005-07-12  Eric Christopher  <echristo@redhat.com>
10564
10565         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10566         static extra parts.
10567         * config/s390/s390.md: Include tpf.md. Move tpf specific
10568         patterns...
10569         * config/s390/tpf.md: To here.
10570         * config/s390/s390.opt: Move tpf specific options...
10571         * config/s390/tpf.opt: to here. Add mmain option.
10572         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10573         * config/s390/tpf.h: Rewrite.
10574
10575 2005-07-12  Eric Christopher  <echristo@redhat.com>
10576
10577         * gcc.c (struct infile): Update comment for language.
10578         (main): Rewrite input file resetting code.
10579
10580 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10581
10582         PR tree-opt/22335
10583         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
10584         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
10585         (lookup_avail_expr): Use constant_boolean_node instead
10586         of boolean_false_node/boolean_true_node.
10587
10588 2005-07-12  Ben Elliston  <bje@au.ibm.com>
10589
10590         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
10591         and use it when printing num_edges.
10592
10593 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
10594
10595         * doc/extend.texi (Blackfin Built-in Functions): New section.
10596         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
10597         @opindex.
10598
10599 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
10600
10601         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
10602         s/cmpstrsi/cmpstrnsi
10603         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
10604         'cmpstrnsi'.
10605         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
10606         (init_optabs): Initialize cmpstrn_optab.
10607         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
10608         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
10609         * expr.c: (enum insn_code cmpstrn_optab): Declare.
10610         * config/i386/i386.md: s/cmpstr/cmpstrn
10611         * config/c4x/c4x.md: s/cmpstr/cmpstrn
10612         * doc/md.texi: Update documentation.
10613
10614 2005-07-11  Richard Henderson  <rth@redhat.com>
10615
10616         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
10617         build_va_arg_indirect_ref.
10618         (alpha_gimplify_va_arg): Likewise.
10619         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
10620         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
10621         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
10622         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
10623         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
10624         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
10625         Likewise.
10626         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
10627
10628 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10629
10630         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
10631         * passes.c (init_optimization_passes): Add pass_empty_loop.
10632         * tree-pass.h (pass_empty_loop): Declare.
10633         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
10634         try_remove_empty_loop, remove_empty_loops): New functions.
10635         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
10636         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
10637
10638 2005-07-12  Peter Barada  <peter@the-baradas.com>
10639
10640         PR middle-end/16719
10641         PR middle-end/18421
10642         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
10643         in address registers.
10644         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
10645         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
10646         alternative of addsi3_5200.
10647
10648 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10649
10650         * config/mips/mips.md (ffs<mode>2): Remove.
10651
10652 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10653
10654         * doc/tree-ssa.texi (Cleanups): Improve description of
10655         TRY_FINALLY_EXPR.
10656         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
10657
10658 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10659
10660         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
10661         * tree.h (DECL_ARGUMENT_FLD): New macro.
10662
10663 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10664
10665         Fix PR tree-optimization/22404
10666
10667         * tree-ssa-structalias.c (create_variable_info_for): Use
10668         correct offset.
10669
10670 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
10671
10672         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
10673         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
10674         for second comparison operand.
10675         * config/bfin/predicates.md (reg_or_const_int_operand): New.
10676
10677         * config/bfin/bfin.md (define_attr "type"): Add "sync".
10678         (define_insn_reservation "alu"): Likewise.
10679         (csync, ssync): Now of type sync.
10680         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
10681         -mcsync-anomaly -mspecld-anomaly.
10682         * config/bfin/bfin.opt (mcsync): Remove.
10683         (mcsync-anomaly, mspecld-anomaly): Add.
10684         * config/bfin/bfin.c: Include "insn-codes.h".
10685         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
10686         (TARGET_DEFAULT_TARGET_FLAGS): New.
10687         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
10688
10689 2005-07-11  Steven Bosscher  <stevenb@suse.de>
10690
10691         * basic-block.h: Give the BB flags enum a name, bb_flags.
10692         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
10693         * cfgcleanup.c (enum bb_flags): Remove here.
10694         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
10695         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
10696         (update_forwarder_flag): Likewise.
10697         (thread_jump): Likewise.
10698         (try_forward_edges): Likewise.
10699         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
10700         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
10701         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
10702
10703 2005-07-11  Richard Guenther  <rguenther@suse.de>
10704
10705         * config/i386/i386.opt: New target option -msseregparm.
10706         * config/i386/i386.c (override_options): Error out for
10707         -msseregparm but no SSE support.
10708         (ix86_function_sseregparm): Check for global sseregparm.
10709         * doc/invoke.texi: Document -msseregparm.
10710
10711 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10712
10713         * config.gcc (m32r-*-linux*): Use the default extra_parts.
10714         (m32rle-*-linux*): Ditto.
10715
10716 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
10717
10718         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
10719         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
10720         bytes.
10721
10722 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10723
10724         PR middle-end/22239
10725         PR target/20126
10726         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
10727         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
10728
10729 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
10730
10731         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
10732         (varmap): Heapify varmap.
10733         (constraints): Heapify constraints.
10734         (struct constraint_graph): Heapify succs and preds.
10735         (constraint_vec_find): Update for heapification.
10736         (constraint_set_union): Ditto.
10737         (insert_into_complex): Ditto.
10738         (constraint_edge_vec_find): Ditto.
10739         (erase_graph_self_edge): Ditto.
10740         (add_graph_edge): Ditto.
10741         (get_graph_weights): Ditto.
10742         (merge_graph_nodes): Ditto.
10743         (build_constraint_graph): Ditto.
10744         (topo_visit): Ditto.
10745         (solve_graph): Ditto.
10746         (create_variable_info_for): Ditto.
10747         (init_base_vars): Ditto.
10748         (delete_points_to_sets): Free graph, varmap, and complex constraints.
10749         (condese_varmap_nodes): Free complex vector.
10750         (clear_edges_for_node): Clear succs and preds vector.
10751
10752 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10753
10754         * tree-ssa-structalias.c (update_alias_info): Change counting of
10755         references to not include vdefs.
10756
10757 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10758
10759         * tree-ssa-alias.c (free_used_part_map): Add missing free.
10760         (up_insert): Ditto.
10761
10762 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10763
10764         * pa.c (pa_commutative_p): Make PLUS commutative when
10765         TARGET_NO_SPACE_REGS is true.
10766
10767 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10768
10769         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
10770         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
10771         * tree-dfa.c (dump_subvars_for): New.
10772         (debug_subvars_for): New.
10773         (dump_variable): Show subvariables if VAR has them.
10774         * tree-flow-inline.h (get_subvar_at): New.
10775         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
10776         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
10777         Update all users.
10778         (struct subvar): Change fields offset and size to unsigned
10779         HOST_WIDE_INT.
10780         (dump_subvars_for): Declare.
10781         (debug_subvars_for): Declare.
10782         (get_subvar_at): Declare.
10783         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
10784         to unsigned HOST_WIDE_INT *.
10785         (overlap_subvar): Likewise.
10786         * tree-gimple.c (is_gimple_reg): Always return false for
10787         SFTs and memory tags.
10788         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
10789         Update all callers.
10790         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
10791         (compute_may_aliases): Call compute_points_to_sets.
10792         (collect_points_to_info_for): Remove.
10793         (compute_points_to_and_addr_escape): Remove.
10794         (delete_alias_info): Call delete_points_to_sets.
10795         (compute_flow_sensitive_aliasing): If the call to
10796         find_what_p_points_to returns false, call set_pt_anything.
10797         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
10798         (set_pt_anything): Clear pi->pt_vars.
10799         (set_pt_malloc): Remove.
10800         (merge_pointed_to_info): Remove.
10801         (add_pointed_to_expr): Remove.
10802         (add_pointed_to_var): Remove.
10803         (collect_points_to_info_r): Remove.
10804         (is_escape_site): Make extern.
10805         (create_sft): New.
10806         (create_overlap_variables_for): Call it.
10807         * tree-ssa-copy.c (merge_alias_info): Never merge
10808         flow-sensitive alias information.
10809         * tree-ssa-operands.c (get_expr_operands): Adjust variables
10810         offset and size to be unsigned HOST_WIDE_INT.
10811         (add_to_addressable_set): Rename from note_addressable.
10812         Set TREE_ADDRESSABLE as the variables are added to the set.
10813         Update all users.
10814         (add_stmt_operand): Do not try to micro-optimize unmodifiable
10815         operands into VUSEs when adding V_MAY_DEFs for members in an
10816         alias set.
10817         * tree-ssa-operands.h (add_to_addressable_set): Declare.
10818         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
10819         (struct variable_info): Add bitfield is_heap_var.
10820         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
10821         (new_var_info): Initialize is_heap_var.
10822         (get_constraint_for): Add HEAP variables to the symbol table.
10823         Mark them with is_heap_var.
10824         (update_alias_info): New.  Taken mostly from the old
10825         compute_points_to_and_addr_escape.
10826         (handle_ptr_arith): New.
10827         (find_func_aliases): Call update_alias_info.
10828         Call handle_ptr_info for tcc_binary expressions.
10829         Call mark_stmt_modified.
10830         (create_variable_info_for): If DECL has subvars, do not create
10831         variables for its subvars.  Always add all the fields.
10832         (set_uids_in_ptset): If the solution includes ANYOFFSET and
10833         SFTs, then add all the SFTs of the structure.
10834         If VI->DECL is an aggregate with subvariables, add the SFT at
10835         VI->OFFSET.
10836         (find_what_p_points_to): If VI is an artificial variable,
10837         translate to bitfields in SSA_NAME_PTR_INFO.
10838         If the solution is empty, set pi->pt_vars to NULL
10839         (init_base_vars): Create ANYOFFSET.
10840         (compute_points_to_sets): Rename from create_alias_vars.
10841         Make extern.
10842         (pass_build_pta): Remove.
10843         (delete_points_to_sets): Rename from delete_alias_vars.
10844         (pass_del_pta): Remove.
10845         * tree-ssa-structalias.h (struct alias_info): Move from
10846         tree-ssa-alias.h.
10847         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
10848         NUM_REFERENCES_SET): Likewise.
10849         (compute_points_to_sets, delete_points_to_sets): Declare.
10850
10851 2005-07-09  Richard Henderson  <rth@redhat.com>
10852
10853         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
10854         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
10855         alpha_split_lock_test_and_set_12): New functions.
10856         * config/alpha/alpha-protos.h: Update.
10857         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
10858         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
10859         * config/alpha/sync.md (I12MODE): New.
10860         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
10861         (sync_<fetchop_name><I48MODE>): Likewise.
10862         (sync_nand<I48MODE>): Likewise.
10863         (sync_old_<fetchop_name><I48MODE>): Likewise.
10864         (sync_new_<fetchop_name><I48MODE>): Likewise.
10865         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
10866         (sync_compare_and_swap<I48MODE>): Likewise.
10867         (sync_lock_test_and_set<I48MODE>): Likewise.
10868         (sync_compare_and_swap<I12MODE>): New.
10869         (sync_compare_and_swap<I12MODE>_1): New.
10870         (sync_lock_test_and_set<I12MODE>): New.
10871         (sync_lock_test_and_set<I12MODE>_1): New.
10872
10873 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10874
10875         PR 21356
10876         PR 22332
10877         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
10878
10879 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
10880
10881         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
10882         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
10883
10884 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
10885
10886         PR target/21656
10887         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
10888
10889 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
10890
10891         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
10892         memory_operand constraint.
10893         (store_conditional_<mode>): Same.
10894         (sync_compare_and_swap<mode>): Same.
10895         (sync_lock_test_and_set<mode>): Same.
10896
10897 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
10898
10899         Rewrite PIC support to more closely model actual instructions.
10900         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
10901         (cris_symbol): Remove prototypes for removed functions.
10902         (cris_pic_symbol_type_of, cris_valid_pic_const)
10903         (cris_expand_pic_call_address): Prototypes for new functions.
10904         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
10905         variable.
10906         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
10907         modifiers.
10908         <case ':'>: Add case for new punctuation character.
10909         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
10910         emitting (extra) PIC modifier.
10911         <case UNSPEC>: Do not assert for PLT.
10912         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
10913         (cris_expand_prologue, cris_expand_epilogue): Check
10914         for pic_offset_table_rtx usage instead of taking
10915         current_function_uses_pic_offset_table as the final word.
10916         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
10917         Remove flag_pic difference.
10918         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
10919         the moral equivalents of...
10920         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
10921         functions.
10922         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
10923         (cris_handle_option): Mark ARG as unused.
10924         (cris_expand_pic_call_address): New worker function for "call",
10925         "call_value".
10926         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
10927         output PIC constructs here.
10928         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
10929         as symbol-specific modifers, not whole or part of operands.
10930         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
10931         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
10932         constants and flag_pic.
10933         (CONSTANT_INDEX_P): Adjust for new functions.
10934         (enum cris_pic_symbol_type): New helper type.
10935         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
10936         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
10937         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
10938         define_constants.
10939         ("movsi"): Emit actual instructions for GOT and relative access.
10940         ("*movsi_got_load"): New pattern to set up the register holding
10941         the GOT pointer.
10942         ("*movsi_internal"): Operand 1 is not a plain general_operand.
10943         Adjust FIXME for 'S'.
10944         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
10945         Use "movs" for -fpic cases.
10946         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
10947         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
10948         ("call", "call_value"): Just call cris_expand_pic_call_address for
10949         PIC addresses.
10950         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
10951         Remove special pattern.
10952         ("*expanded_call_side", "*expanded_call_value_side"): New
10953         patterns.
10954         (gotplt-to-plt, gotplt-to-plt-side-call)
10955         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
10956         peephole2:s.
10957         * config/cris/cris/predicates.md
10958         ("cris_general_operand_or_gotless_symbol"): Remove unused
10959         predicate.
10960         ("cris_general_operand_or_symbol"): Adjust for new functions.
10961
10962 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10963
10964         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
10965
10966 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
10967
10968         * Makefile.in (TREE_H): Add treestruct.def.
10969         (c-decl.o): Add pointer-set.h
10970         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
10971         visibility on regular DECL's.
10972         (merge_decls): Fix the copying of decl nodes of various types for
10973         the new structures.  Don't update RTL, section name, weak status,
10974         etc, on DECL's without RTL.
10975         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
10976         Don't check volatile on non-variable types.
10977         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
10978         to check whether we have seen arguments.
10979         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
10980         flag is checked before field (flag is common, field is not).
10981         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
10982         TS_DECL_COMMON could have an origin.
10983         (add_location_or_const_value_attribute): Don't check section name
10984         on non-var/function decls.
10985         (dwarf2out_var_location): Reverse order of tests.
10986         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
10987         with DECL_WRTL_CHECK.
10988         * expmed.c (make_tree): rtl is now in decl_with_rtl.
10989         * fold-const.c (fold_binary): Don't check weakness on
10990         non-var/function decls.
10991         (tree_expr_nonzero_p): Ditto.
10992         (fold_checksum_tree): Use tree_decl_extra as sizeof
10993         buffer.
10994         * ggc-page.c (extra_order_size_table): Add sizes for
10995         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
10996         tree_field_decl.
10997         * gimplify.c (gimplify_bind_expr): Only set
10998         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
10999         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
11000         without RTL.
11001         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
11002         * langhooks.h (init_ts). New langhook.
11003         * passes.c (rest_of_decl_compilation): Reverse order of tests.
11004         * print-tree.c (print_node): Update to only print fields that
11005         exist in the structures the passed decl has.
11006         * toplev.c (wrapup_global_declarations): Don't reset
11007         DECL_DEFER_OUTPUT on DECL's that don't contain it.
11008         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
11009         * tree-inline.c (remap_decl): Ditto.
11010         * tree-outof-ssa.c (create_temp): Reverse order of tests.
11011         * tree-pretty-print.c (print_declaration): Don't print
11012         DECL_REGISTER on things that don't contain it.
11013         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
11014         non-var/function decls.
11015         * tree.c (tree_contains_struct): New structure.
11016         (init_priority_for_decl): New hashtable.
11017         (tree_int_map): New structure.
11018         (tree_int_map_eq): New function.
11019         (tree_int_map_marked_p): Ditto.
11020         (tree_int_map_hash): Ditto.
11021         (tree_map): Move to tree.h.
11022         (tree_map_eq): Externalize.
11023         (tree_map_hash): Ditto.
11024         (tree_map_marked_p): Ditto.
11025         (init_ttree): Set up tree_contains_struct and call langhook.
11026         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
11027         (tree_code_size): Update for new structures.
11028         (tree_node_structure): Update for new structures.
11029         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
11030         without the field.
11031         (copy_node_stat):  Copy init priority.
11032         (build_decl_stat): Ditto for visibility.
11033         (ts_enum_names): New.
11034         (tree_contains_struct_check_failed): New function.
11035         (decl_init_priority_lookup): Ditto.
11036         (decl_init_priority_insert): Ditto.
11037         * treestruct.def: New file.
11038         * tree.h (CODE_CONTAINS_STRUCT): New macro.
11039         (CONTAINS_STRUCT_CHECK): Ditto.
11040         (tree_contains_struct_check_failed): New prototype.
11041         (DECL_CHECK): Removed.
11042         (DECL_MINIMAL_CHECK): New.
11043         (DECL_COMMON_CHECK): Ditto.
11044         (DECL_WRTL_CHECK): Ditto.
11045         (DECL_NON_COMMON_CHECK): Ditto.
11046         (DECL_WITH_VIS_CHECK): Ditto.
11047         (VAR_OR_FUNCTION_DECL_P): Ditto
11048         (struct tree_decl_minimal): New structure.
11049         (struct tree_decl_common): Ditto.
11050         (struct tree_decl_with_rtl): Ditto.
11051         (struct tree_decl_with_vis): Ditto.
11052         (struct tree_decl_non_common): Ditto.
11053         (struct tree_field_decl): Ditto.
11054         (struct tree_parm_decl): Ditto.
11055         (struct tree_var_decl): Ditto.
11056         (struct tree_function_decl): Ditto.
11057         (struct tree_const_decl): Ditto.
11058         (struct tree_result_decl): Ditto.
11059         (union tree_node): Add new structures.
11060         * var-tracking.c (track_expr_p): Reverse order of tests.
11061
11062         * doc/c-tree.texi: Add documentation on DECL node internal structure.
11063
11064 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
11065
11066         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
11067         * system.h: Poison FINALIZE_PIC.
11068         * doc/tm.texi (FINALIZE_PIC): Remove.
11069
11070 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11071
11072         PR tree-opt/22329
11073         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
11074         to the correct type if we have a MODIFY_EXPR.
11075
11076 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
11077
11078         PR tree-optimization/22360
11079         * tree.c (upper_bound_in_type): Fix calculations for casting
11080         to a non-wider signed type and casting a signed value to a
11081         wider unsigned type.
11082         (lower_bound_in_type): Fix calculations for casting to a
11083         non-wider signed type.
11084
11085         PR tree-optimization/20139
11086         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
11087         release_defs.
11088         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
11089         fold_cond_expr_cond.
11090         * tree-ssanames.c (release_defs): Assert in_ssa_p.
11091         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
11092
11093 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11094
11095         PR tree-opt/22356
11096         * tree-complex.c (expand_complex_libcall): Produce
11097         REALPART_EXPR/IMAGPART_EXPR with the correct type.
11098
11099 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
11100
11101         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
11102         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
11103         b" assert and inserted fastpath code for this case.
11104         (bitmap_ior): Removed "a != b" assert.
11105
11106 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11107
11108         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
11109         (ENDFILE_SPEC): Likewise.
11110         * config/m32r/m32r.h (ASM_SPEC): Likewise.
11111
11112         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
11113         a large stack frame at epilogue.
11114
11115 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
11116
11117         * final.c: Include sdbout.h when required.
11118
11119 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
11120
11121         * config.gcc (*-*-darwin*): Only one target-specific header file
11122         for generic darwin.
11123         (powerpc-*-darwin*): Add version-specific header files.
11124         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
11125         * config.in: Regenerate.
11126         * configure: Regenerate.
11127         * gcc.c: Include xregex.h.
11128         (version_compare_spec_function): New.
11129         (spec_function): Add version-compare.
11130         (replace_outfile_spec_function): Reformat comment.
11131         (compare_version_strings): New.
11132         * config/darwin-c.c (version_as_macro): New.
11133         (builtin_define): New.
11134         (darwin_cpp_builtins): New.
11135         * config/darwin-protos.h (darwin_cpp_builtins): New.
11136         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
11137         (LIB_SPEC): Make unconditional, update comment.
11138         (TARGET_C99_FUNCTIONS): Define.
11139         * config/darwin.opt: Sort.
11140         (mmacosx-version-min=): New.
11141         * config/darwin7.h: Delete.
11142         * config/darwin8.h: Delete.
11143         * config/i386/darwin.h (): Call darwin_cpp_builtins.
11144         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
11145         (TARGET_C99_FUNCTIONS): Define.
11146         * config/rs6000/darwin7.h: New.
11147         * config/rs6000/darwin8.h: New.
11148         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
11149         (-mmacosx-version-min): Document.
11150
11151 2005-07-07  Ian Lance Taylor  <ian@airs.com>
11152
11153         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
11154
11155 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
11156
11157         PR middle-end/22239
11158         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
11159
11160 2005-07-07  Khem Raj  <kraj@mvista.com>
11161
11162         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
11163         in bytes, not words.
11164
11165 2005-07-07  Paul Brook  <paul@codesourcery.com>
11166
11167         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
11168         DEFAULT_FUNCTION_ARG_PADDING to upward.
11169
11170 2005-07-07  Richard Henderson  <rth@redhat.com>
11171
11172         * function.c (locate_and_pad_parm): Record parameter alignment in
11173         stack_alignment_needed.
11174
11175 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
11176
11177         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
11178         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
11179         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
11180         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
11181         (define_attr "type"): Add isync, sync, load_l, store_c.
11182         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
11183         Create scratch volatile MEM.
11184         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
11185         sync.
11186         (load_locked_<mode>): New.
11187         (store_conditional_<mode>): New.
11188         (sync_compare_and_swap<mode>): Replace with splitter.
11189         (sync_lock_test_and_set<mode>): Replace with splitter.
11190         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
11191         and UNSPECV_ISYNC.
11192         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
11193         is ics.  Attribute isync.
11194         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
11195         lwsync.
11196         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
11197         and UNSPECV_SYNC_OP.
11198         (emit_unlikely_jump): New.
11199         (emit_load_locked): New.
11200         (emit_store_conditional): New.
11201         (rs6000_split_compare_and_swap): New.
11202         (rs6000_split_lock_test_and_set): New.
11203         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
11204         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
11205         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
11206         rs6000_split_lock_test_and_set): Declare.
11207         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
11208         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
11209         store_c, isync, sync.
11210
11211 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
11212
11213         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
11214         filenames to gtyp-gen.h.
11215         (s-typ-gen): Use it in place of for loops.
11216
11217 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
11218
11219         * hooks.c (hook_bool_rtx_int_false): New function.
11220         * hooks.h (hook_bool_rtx_int_false): Declare.
11221         * target-def.h (TARGET_COMMUTATIVE_P): Define.
11222         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
11223         * target.h (struct gcc_target): Add commutative_p member.
11224         * targhooks.c (hook_bool_rtx_commutative_p): New function.
11225         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
11226         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
11227         (pa_commutative_p): New function.
11228         * jump.c (target.h): Include.
11229         (rtx_renumbered_equal_p): Use targetm.commutative_p.
11230         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
11231
11232 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11233
11234         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
11235         (s390_expand_setmem): New.
11236         * config/s390/s390.c: Likewise.
11237         (print_shift_count_operand): Truncate to 12 bits instead of 6.
11238         Adapt comments.
11239         * config/s390/s390.md: ("setmem<mode>"): Accept character as
11240         general_operand.  Call new function "s390_expand_setmem".
11241         ("clrmem_long", "*clrmem_long"): Rewrite to ...
11242         ("setmem_long", "*setmem_long"): ... this.
11243
11244 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11245
11246         * config/s390/s390.c: (optimization_options): Enable
11247         TARGET_MVCLE at -Os.
11248         * doc/invoke.texi: Document changes in default behaviour.
11249         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
11250
11251 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11252
11253         * expr.c: (set_storage_via_setmem): Convert opchar to mode
11254         defined by back-end.
11255
11256 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
11257
11258         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
11259         all sets in the pattern.
11260         * config/rs6000/rs6000.md (stack_protect_testsi,
11261         stack_protect_testdi): Likewise.
11262
11263 2005-07-06  Jeff Law  <law@redhat.com>
11264
11265         * tree-vrp.c (simplify_using_ranges): Kill.
11266         (vrp_finalize): Remove call to simplify_using_ranges.
11267         (simplify_stmt_using_ranges): New function extracted from
11268         simplify_using_ranges.
11269         (simplify_div_or_mod_using_ranges): Likewise.
11270         (simplify_abs_using_ranges): Likewise.
11271         (simplify_cond_using_ranges): New function.
11272         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
11273         * tree-ssa-propagate.c (substitute_and_fold): Call
11274         simplify_stmt_using_ranges if we have range information.
11275
11276 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
11277
11278         * config/ia64/ia64.c (ia64_reorg): Check optimize before
11279         ia64_flag_schedule_isns2.
11280
11281         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
11282         reading/writing general registers.
11283         (ia64_function_arg): Revert 2005-06-18 change.
11284
11285 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
11286
11287         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
11288         (legitimize_tls_address): Use gcc_unreachable instead of abort.
11289
11290 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
11291
11292         * function.c (expand_function_end): Revert part of 2005-06-27
11293         patch.  Do sjlj_emit_function_exit_after after return_label.
11294
11295 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11296
11297         * doc/install.texi (--disable-libssp): New.
11298
11299 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
11300
11301         * doc/invoke.texi: Update -fforce-mem documentation.
11302         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
11303         code for -fforce-mem.
11304         * expmed.c: (store_bit_field,store_fixed_bit_field,
11305         extract_bit_field): Ditto.
11306         * expr.c: (convert_move): Ditto.
11307         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
11308         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
11309         emit_conditional_add,expand_float,expand_fix): Ditto.
11310         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
11311         (common_handle_option): Issue warning when -fforce-mem specified.
11312
11313 2005-07-06  Paul Brook  <paul@codesourcery.com>
11314
11315         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
11316         argument is empty.
11317         * configure: Regenerate.
11318
11319 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
11320
11321         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
11322
11323 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
11324
11325         Fix PR tree-optimization/22319
11326         Fix PR tree-optimization/22140
11327         Fix PR tree-optimization/22310
11328
11329         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
11330         variable sized types.
11331         Use correct type for intermediate structure on *a = *b structure
11332         copies.
11333
11334 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11335
11336         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
11337         Remove.
11338         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
11339         (machine_function): Move typedef to...
11340         * config/rs6000/rs6000.c (machine_function): ... here.  Add
11341         varargs_save_offset field.
11342         (rs6000_stack_t): Remove varargs_size field.
11343         (setup_incoming_varargs): Allocate varargs save area using
11344         assign_stack_local, try to make it as small as possible.
11345         Save offset from virtual_stack_vars_rtx to the save area
11346         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
11347         instead of magic 8 when fp word byte size is used.
11348         (rs6000_va_start): Use cfun->machine->varargs_save_offset
11349         instead of -RS6000_VARARGS_SIZE.
11350         (rs6000_stack_info, debug_stack_info,
11351         rs6000_initial_elimination_offset): Remove all traces of
11352         varargs_size.
11353         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
11354         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
11355         RS6000_VARARGS_AREA.
11356
11357 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
11358
11359         PR tree-optimization/21963
11360         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
11361         constant_multiple_of in the same way get_computation_cost_at does.
11362
11363 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11364
11365         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
11366         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
11367         (gen_compare_reg): If sparc_compare_emitted is set, clear it
11368         and return its previous value.
11369         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
11370         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
11371         constants.
11372         (stack_protect_set, stack_protect_test): New expanders.
11373         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
11374         stack_protect_testdi): New insns.
11375         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11376         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
11377
11378 2005-07-06  Jeff Law  <law@redhat.com>
11379
11380         * tree-ssa-dce.c (cfg_altered): New global.
11381         (tree_dce_init): Initialize cfg_altered.
11382         (remove_dead_stmt): If we remove an edge in the CFG, then set
11383         CFG_ALTERED.
11384         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
11385         the dominators.
11386
11387 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11388
11389         * Makefile.in (stamp-collect-ld): Use
11390         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
11391         ./collect-ld if it already exists.
11392         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
11393         Don't remove ./nm if it already exists.
11394
11395 2005-07-05  Devang Patel  <dpatel@apple.com>
11396
11397         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
11398         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
11399         * tree-vectorizer.c (vect_loop_location): New.
11400         (vect_print_dump_info): Use vect_loop_location.
11401         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
11402         (vectorize_loops): Set vect_loop_location.
11403         * tree-vect-analyze.c (vect_analyze_offset_expr,
11404         vect_determin_vectorization_factor, vect_analyze_operations,
11405         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
11406         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
11407         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
11408         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
11409         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
11410         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
11411         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
11412         vect_analyze_loop): Adjust vect_print_dump_info API.
11413         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11414         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
11415         vect_finish_stmt_generation, vectorizable_assignment,
11416         vectorizable_operation, vectorizable_store, vectorizable_load,
11417         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
11418         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
11419         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
11420         vect_transform_loop): Same.
11421         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
11422         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
11423         Same.
11424
11425 2005-07-05  Randolph Chung  <tausq@debian.org>
11426
11427         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
11428         * configure: Regenerate.
11429         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
11430         (pa_tls_referenced_p): Declare.
11431         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
11432         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
11433         (legitimize_tls_address): New.
11434         (hppa_legitimize_address): Handle TLS addresses.
11435         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
11436         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
11437         (emit_move_sequence): Handle TLS addresses.
11438         (pa_encode_section_info): Call default handler to handle common
11439         sections.
11440         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
11441         (CONSTANT_ADDRESS_P): Reject TLS operands.
11442         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
11443         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
11444         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
11445         (UNSPEC_TLSLE): Define new constants.
11446         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
11447         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
11448         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
11449         (tie_symbolic_operand, tle_symbolic_operand): New
11450
11451 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
11452
11453         * aclocal.m4: Update macros for autoconf 2.59 style.
11454         * configure.ac: Likewise.
11455
11456 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11457
11458         * pa.c (function_value): Handle small aggregates on 32-bit targets.
11459         (function_arg): Pass small aggregates in general registers on 32-bit
11460         targets.
11461         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
11462
11463 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
11464
11465         * Makefile.in (final.o): Fix dependencies.
11466
11467 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11468
11469         PR c/22013
11470         PR c/22098
11471         * langhooks.h (struct lang_hooks): Add expr_to_decl.
11472         * langhooks.c (lhd_expr_to_decl): New.
11473         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
11474         New.
11475         (LANG_HOOKS_INITIALIZER): Update.
11476         * tree.c (recompute_tree_invarant_for_addr_expr): Call
11477         expr_to_decl langhook.
11478         * c-tree.h (c_expr_to_decl): Declare.
11479         * c-typeck.c (c_expr_to_decl): New.
11480         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
11481         specially.
11482         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
11483
11484 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11485
11486         PR c/22308
11487         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
11488         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
11489
11490 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
11491
11492         * Makefile.in: Adjust dependencies.
11493         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
11494         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
11495         * alias.c (rest_of_handle_cfg, pass_cfg): New.
11496         * bb-reorder.c (duplicate_computed_gotos): Make it static.
11497         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
11498         rest_of_compilation.
11499
11500         * bb-reorder.c (gate_duplicate_computed_gotos,
11501         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
11502         rest_of_handle_reorder_blocks, pass_reorder_blocks,
11503         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
11504         pass_partition_blocks): New.
11505         * bt-load.c (gate_handle_branch_target_load_optimize,
11506         rest_of_handle_branch_target_load_optimize,
11507         pass_branch_target_load_optimize): New.
11508         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
11509         pass_jump2): New.
11510         * cfglayout.c (pass_insn_locators_initialize): New.
11511         * cfgrtl.c (pass_free_cfg): New.
11512         * combine.c (gate_handle_combine, rest_of_handle_combine,
11513         pass_combine): New.
11514         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
11515         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
11516         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
11517         * except.c (pass_set_nothrow_function_flags,
11518         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
11519         pass_rtl_eh): New.
11520         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
11521         rest_of_handle_shorten_branches, pass_shorten_branches,
11522         rest_of_clean_state, pass_clean_state): New.
11523         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
11524         rest_of_handle_remove_death_notes, pass_remove_death_notes,
11525         rest_of_handle_life, pass_life, rest_of_handle_flow2,
11526         pass_flow2): New.
11527         * function.c (pass_instantiate_virtual_regs, pass_init_function,
11528         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
11529         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
11530         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
11531         pass_gcse): New.
11532         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
11533         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
11534         pass_rtl_ifcvt, gate_handle_if_after_combine,
11535         rest_of_handle_if_after_combine, pass_if_after_combine,
11536         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
11537         pass_if_after_reload): New.
11538         * integrate.c (pass_initial_value_sets): New.
11539         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
11540         pass_purge_lineno_notes): New.
11541         * mode-switching.c (rest_of_handle_mode_switching,
11542         pass_mode_switching): New.
11543         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
11544         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
11545         pass_loop2): New.
11546         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
11547         pass_loop_optimize): New.
11548         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
11549         pass_sms): New.
11550         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
11551         pass_gcse2): New.
11552         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
11553         pass_postreload_cse): New.
11554         * profile.c (gate_handle_profiling, pass_profiling,
11555         rest_of_handle_branch_prob, pass_branch_prob): New.
11556         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
11557         pass_split_before_regstack, gate_handle_split_before_regstack,
11558         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
11559         rest_of_handle_split_all_insns, pass_split_all_insns): New.
11560         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
11561         pass_stack_regs): New.
11562         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
11563         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
11564         pass_stack_adjustments): New.
11565         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
11566         pass_regrename): New.
11567         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
11568         pass_delay_slots, gate_handle_machine_reorg,
11569         rest_of_handle_machine_reorg, pass_machine_reorg): New.
11570         * rtl.h (extern void purge_line_number_notes): New.
11571         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
11572         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
11573         pass_sched2): New.
11574         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
11575         pass_tracer): New.
11576         * value-prof.c (gate_handle_value_profile_transformations,
11577         rest_of_handle_value_profile_transformations,
11578         pass_value_profile_transformations): New.
11579         * var-tracking.c (gate_handle_var_tracking,
11580         pass_variable_tracking): New.
11581         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
11582
11583         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
11584         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
11585         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
11586         rest_of_handle_old_regalloc, rest_of_handle_regrename,
11587         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
11588         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
11589         rest_of_handle_gcse2, rest_of_handle_regmove,
11590         rest_of_handle_tracer, rest_of_handle_if_conversion,
11591         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
11592         rest_of_handle_web, rest_of_handle_branch_prob,
11593         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
11594         rest_of_handle_jump_bypass, rest_of_handle_combine,
11595         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
11596         rest_of_handle_gcse, rest_of_handle_loop_optimize,
11597         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
11598         rest_of_handle_mode_switching, rest_of_handle_jump,
11599         rest_of_handle_eh, rest_of_handle_stack_adjustments,
11600         rest_of_handle_flow2, rest_of_handle_jump2,
11601         rest_of_handle_peephole2, rest_of_handle_postreload,
11602         rest_of_handle_shorten_branches, rest_of_clean_state,
11603         rest_of_compilation): Remove.
11604
11605         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
11606         * passes.c (dump_flags, in_gimple_form, all_passes,
11607         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11608         register_dump_files, next_pass_1, last_verified, execute_todo,
11609         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
11610         from tree-optimize.c.
11611         (init_optimization_passes): Moved from tree-optimize.c,
11612         adding the RTL optimizations.
11613         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
11614         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
11615         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11616         register_dump_files, next_pass_1, last_verified, execute_todo,
11617         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
11618         init_tree_optimization_passes, ipa_passes): Delete.
11619         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
11620         the RTL dumps.
11621         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
11622         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
11623         from tree.h.
11624         (ipa_passes): Remove.
11625         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
11626         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
11627         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
11628         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
11629         (dump_info_p, dump_flag): Moved to tree-dump.h.
11630
11631         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
11632         cgraph.c, opts.c.
11633         * passes.c (finish_optimization_passes): Use dump_begin
11634         and dump_end, TDI_end.
11635         (gate_rest_of_compilation): New.
11636         (pass_rest_of_compilation): Use it.
11637         (gate_postreload, pass_postreload): New.
11638         * toplev.c (general_init): Rename init_tree_optimization_passes.
11639         * toplev.h (init_tree_optimization_passes): Rename to
11640         init_optimizations_passes.
11641         * tree-dump.c (dump_flag): Make static.
11642         (dump_files): Remove RTL dumps.
11643         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
11644         pass_cleanup_cfg, pass_free_cfg_annotations,
11645         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
11646         pass_init_datastructures, pass_fixup_cfg): Make non-static.
11647         * tree-pretty-print.c: Include tree-pass.h.
11648         * cgraph.c: Include tree-dump.h.
11649
11650 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11651
11652         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
11653         Only fall back to saying it points to readonly memory if
11654         we can't do better.
11655
11656 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
11657
11658         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
11659         * config/m32r/m32r.c (m32r_compute_frame_size,
11660         m32r_expand_prologue): Take current_function_profile into
11661         account whenever we reference
11662         current_function_uses_pic_offset_table.
11663         (m32r_finalize_pic): Remove.
11664         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
11665
11666 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
11667
11668         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
11669         instead of $<.  Don't remove ./as if it already exists.
11670
11671 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11672
11673         PR target/21723
11674         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
11675         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
11676         for complex modes when generating code for PA 1.0.
11677         (VALID_FP_MODE_P): New macro.
11678         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11679         sets for all general and floating point modes.  Align wide floating
11680         point modes to even register boundaries to comply with architectural
11681         requirements.
11682         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
11683         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
11684         (VALID_FP_MODE_P): New macro.
11685         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11686         sets for all general and floating point modes.  Align wide floating
11687         point modes to even register boundaries to comply with architectural
11688         requirements.
11689
11690 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11691
11692         * tree-dump.c (dump_files): Initialize dump number for .cgraph
11693         to 0.
11694
11695 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11696
11697         * tree-ssa-structalias.c: Don't include expr.h.
11698
11699 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11700
11701         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
11702         comments.
11703
11704 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11705
11706         Fix PR tree-optimization/22279
11707
11708         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
11709         correct operator.
11710
11711 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
11712
11713         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
11714
11715 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11716
11717         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
11718         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
11719         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
11720         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
11721         config/stormy16/stormy16.c, config/v850/v850.c,
11722         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
11723         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
11724         Avoid "." or "\n" at end of diagnostics and capital letters at
11725         start of diagnostics.
11726         * combine.c, cse.c: Don't translate dump file output.
11727         * toplev.c (print_version): Only translate output if going to
11728         stderr.
11729
11730 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11731
11732         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
11733         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
11734         typos.
11735
11736 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11737
11738         * pa.c (fix_range): Fix typo in comment.
11739
11740 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11741
11742         * tree-vrp.c (extract_range_from_assert): Replace
11743         fold (build (...)) with fold_build2.
11744
11745 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11746
11747         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
11748         gcc_gfc_char_table, init_dynamic_gfc_info): New.
11749         (format_types_orig, handle_format_attribute): Add support for
11750         format "gcc_gfc".
11751
11752 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11753
11754         * varasm.c (assemble_variable): Fix format specifier thinko.
11755
11756 2005-07-03  Ira Rosen  <irar@il.ibm.com>
11757
11758         PR tree-optimization/22029 (and 22135)
11759         * tree-pretty-print.c (dump_generic_node): Check that the node is not
11760         a phi node before calling dump_vops.
11761
11762 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11763
11764         * tree-dump.h (dump_string_field): Declare.
11765         * tree-dump.c: Use it instead of dump_string.
11766         (dump_string_field): Make non-static.
11767
11768 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
11769
11770         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
11771         up the minimal CFG stuff always when optimize > 0.  Call
11772         split_all_insns_noflow in PIC case if needed.
11773
11774 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11775             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
11776
11777         PR c++/18279
11778         * c-decl.c (c_write_global_declarations): Dump contents of
11779         external scope to.
11780         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
11781         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
11782         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
11783         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
11784         is enabled.
11785
11786 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11787
11788         * c-common.h (GCC_DIAG_STYLE): Define.
11789         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
11790         version for format checking to 4.1.
11791         * c-format.c: Include toplev.h after c-common.h.
11792         (enum format_type): Add gcc_tdiag_format_type.
11793         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
11794         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
11795         (format_types_orig): Add gcc_tdiag.
11796         (init_dynamic_diag_info): Support gcc_tdiag formats.
11797         (handle_format_attribute): Likewise.
11798         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
11799         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
11800         version for format checking to 4.1.
11801         (warning0, warning, error, pedwarn, sorry): Use
11802         ATTRIBUTE_GCC_DIAG.
11803         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
11804         (finish_aliases_1): Do not use %qE.
11805         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
11806         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
11807         Correct format bugs.
11808         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
11809         parameter to unsigned HOST_WIDE_INT.
11810         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
11811
11812 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
11813
11814         PR middle-end/21742
11815         * expr.c (write_complex_part): Use adjust_address for MEM.
11816         (read_complex_part): Same.
11817
11818 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
11819
11820         Fix PR tree-optimization/22280
11821
11822         * tree-sra.c (generate_element_init): Remove useless loop.
11823
11824 2005-07-02  Richard Henderson  <rth@redhat.com>
11825
11826         * config/alpha/alpha.c (alpha_legitimize_address): Check for
11827         TLS_MODEL_NONE.
11828         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
11829
11830 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
11831
11832         PR middle-end/14490
11833         * fold-const.c (fold_binary): Handle the return value of
11834         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
11835         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
11836
11837 2005-07-02  Jeff Law  <law@redhat.com>
11838
11839         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
11840         a eliminate type conversion which feeds an equality comparison
11841         if the original type or either operand in the comparison is a
11842         function pointer.
11843
11844 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
11845
11846         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
11847         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
11848         texts.
11849         * config/avr/avr.c: Do not use '`' as left quote.
11850         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
11851         Remove "." from end of diagnostics.  Make diagnostics start with
11852         lowercase letter.
11853
11854 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
11855             Joseph S. Myers  <joseph@codesourcery.com>
11856
11857         * toplev.c (default_tree_printer): Handle setting location with
11858         '+' flag.
11859         * c-objc.common.c (c_tree_printer): Likewise.
11860         * c-format.c (gcc_diag_flag_specs): Add '+'.
11861         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
11862         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
11863         formats.
11864         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
11865         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
11866         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
11867         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
11868         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
11869         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
11870         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
11871         format arguments where %J is used without %D.
11872
11873 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
11874
11875         * gcc.c (LINK_SSP_SPEC): Define.
11876         (link_ssp_spec): New variable.
11877         (LINK_COMMAND_SPEC): Add %(link_ssp).
11878         (static_specs): Add link_ssp_spec.
11879         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
11880         * configure: Rebuilt.
11881         * config.in: Rebuilt.
11882
11883         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11884         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11885         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11886         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11887         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
11888         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
11889         -0x7008(2) instead of reading __stack_chk_guard variable.
11890         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
11891         number.
11892         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
11893         (stack_protect_set, stack_protect_test): Use *_tls* patterns
11894         if TARGET_THREAD_SSP_OFFSET is defined.
11895         (stack_tls_protect_set_si, stack_tls_protect_set_di,
11896         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
11897
11898         Revert:
11899         2005-06-27  Richard Henderson  <rth@redhat.com>
11900         * libgcc-std.ver (GCC_4.1.0): New.
11901         * libgcc.h (__stack_chk_guard): Declare.
11902         (__stack_chk_fail, __stack_chk_fail_local): Declare.
11903         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
11904         * mklibgcc.in (lib2funcs): Add them.
11905
11906 2005-07-01  Richard Henderson  <rth@redhat.com>
11907
11908         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
11909         void * before struct sigcontext *.
11910         (x86_fallback_frame_state): Likewise.
11911
11912 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
11913
11914         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
11915
11916 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11917
11918         PR tree-opt/22269
11919         * tree-ssa-reassoc.c (should_transpose): Fix which operand
11920         we check for SSA_NAME for.
11921
11922 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
11923
11924         Fix PR tree-optimization/22071
11925
11926         * tree-ssa-structalias.c (offset_overlaps_with_access): New
11927         function.
11928         (get_constraint_for_component_ref): Use it.
11929
11930 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11931
11932         PR other/22264
11933         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
11934         print out the last new line.
11935
11936 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
11937
11938         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
11939         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
11940         * config/cris/cris.c (cris_conditional_register_usage): Adjust
11941         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
11942         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
11943         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
11944         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
11945         (enum reg_class): New member CC0_REGS.
11946         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
11947         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
11948         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
11949         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
11950         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
11951         Adjust for register now described.
11952
11953 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
11954
11955         PR target/22262
11956         * config/i386/i386.md (stack_protect_test_si,
11957         stack_protect_test_di): Add earlyclobber for scratch 3.
11958         * config/rs6000/rs6000.md (stack_protect_testsi,
11959         stack_protect_testdi): Add earlyclobber for scratch 3,
11960         remove earlyclobber from scratch 4.
11961
11962 Older entries for 2005 can be found in ChangeLog-2005.