4331d9a8b447a5764a1b60fcbdf9d352c216b7ea
[platform/upstream/gcc.git] / gcc / ChangeLog
1 2004-08-12  Jakub Jelinek  <jakub@redhat.com>
2
3         PR c++/16276
4         * output.h (default_function_rodata_section,
5         default_no_function_rodata_section): New prototypes.
6         * target.h (struct gcc_target): Add asm_out.function_rodata_section.
7         * target-def.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
8         (TARGET_ASM_OUT): Add it.
9         * varasm.c (default_function_rodata_section,
10         default_no_function_rodata_section): New functions.
11         * final.c (final_scan_insn): Call
12         targetm.asm_out.function_rodata_section instead of
13         readonly_data_section.
14         * config/darwin.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
15         * config/mcore/mcore.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
16         * config/ip2k/ip2k.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
17         * config/rs6000/xcoff.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
18         Likewise.
19         * config/alpha/alpha.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
20         * config/i386/cygming.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
21         Likewise.
22         * config/i386/i386-interix.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
23         Likewise.
24         * config/arm/pe.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
25         * config/avr/avr.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
26         * doc/tm.texi (TARGET_ASM_FUNCTION_RODATA_SECTION): Document.
27
28 2004-08-12  Paul Brook  <paul@codesourcery.com>
29
30         * dwarf2out.h (dwarf2out_frame_finish): Conditionalize outputting eh
31         frame info.
32         * doc/tm.texi: Document interaction between TARGET_UNWIND_INFO and
33         DWARF2_UNWIND_INFO.
34
35 2004-08-12  Ben Elliston  <bje@au.ibm.com>
36
37         PR target/16286
38         * config/rs6000/altivec.h: Change vector to __vector throughout.
39         (Except for the `vector' macro itself).
40
41 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
42
43         * genpreds.c: Add capability to generate predicate bodies as
44         well as function prototypes.  Write function prototypes for
45         the generic predicates too.
46         (process_define_predicate, write_tm_preds_h, write_insn_preds_c)
47         (write_predicate_subfunction, mark_mode_tests, add_mode_tests)
48         (write_match_code, write_predicate_expr, write_one_predicate_function)
49         (parse_option): New functions.
50         (output_predicate_decls): Delete.
51         (main): Read the machine description, process DEFINE_PREDICATE or
52         DEFINE_SPECIAL_PREDICATE patterns, write tm-preds.h or insn-preds.c
53         as appropriate.
54
55         * genrecog.c (struct decision_test): Replace index with
56         struct pred_data pointer.
57         (next_index): Remove, unused.
58         (pred_table, preds, special_mode_pred_table): Delete.
59         (compute_predicate_codes, process_define_predicate): New functions.
60         (validate_pattern, add_to_sequence, write_switch): Update for
61         new data structures.
62         (main): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
63         Check both error_count and have_error.
64
65         * gensupport.c (in_fname, first_predicate): New globals.
66         (define_pred_queue, define_pred_tail): New RTL-pattern queue.
67         (predicate_table, last_predicate, old_pred_table)
68         (old_special_pred_table): New statics.
69         (hash_struct_pred_data, eq_struct_pred_data, lookup_predicate)
70         (add_predicate, init_predicate_table): New functions.
71         (process_rtx): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
72         (init_md_reader_args_cb): Use the global in_fname.  No need to zero
73         it or max_include_len.  Call init_predicate_table.
74         (read_rtx): Run the predicate queue after the attribute queue
75         but before all the others.
76         * gensupport.h (in_fname, struct pred_data, first_predicate)
77         (lookup_predicate, add_predicate, FOR_ALL_PREDICATES): Declare.
78         * rtl.def (MATCH_CODE, MATCH_TEST, DEFINE_PREDICATE)
79         (DEFINE_SPECIAL_PREDICATE): New RTL codes.
80         * dummy-conditions.c: Don't include bconfig.h, system.h,
81         coretypes.h, tm.h, or system.h.  Do include stddef.h.
82         Duplicate declaration of struct c_test from gensupport.h.
83
84         * Makefile.in (OBJS-common): Add insn-preds.o.
85         (STAGESTUFF, .PRECIOUS): Add insn-preds.c.
86         (insn-preds.c, insn-preds.o): New rules.
87         (s-preds): Also generate insn-preds.c.
88         (dummy-conditions.o, genpreds$(build_exeext), genpreds.o):
89         Update dependencies.
90         (print-rtl.o, print-rtl1.o): Correct dependencies.
91
92         * recog.h: Delete prototypes of predicate functions.
93
94         * doc/md.texi (Predicates): New section with complete
95         documentation of operand/operator predicates.  Remove some
96         incomplete documentation of predicates from other places.
97         * doc/tm.texi (Misc): Move SPECIAL_MODE_PREDICATES next to
98         PREDICATE_CODES; indicate that both are deprecated in favor
99         of define_predicate/define_special_predicate.
100
101         * config/ia64/ia64.c: All predicate function definitions moved
102         to ia64.md, except
103         (small_addr_symbolic_operand, tls_symbolic_operand): Delete.
104         (ia64_expand_load_address, ia64_expand_move):
105         Check SYMBOL_REF_TLS_MODEL directly, don't use tls_symbolic_operand.
106
107         * config/ia64/ia64.md: All predicates now defined here.
108         (symbolic_operand): Is now a special predicate.
109
110         * config/ia64/ia64.h: Declare ia64_section_threshold.
111         (PREDICATE_CODES): Delete.
112
113 2004-08-12  Richard Henderson  <rth@redhat.com>
114
115         * c-common.h (STATEMENT_LIST_HAS_LABEL): New.
116         * c-semantics.c (add_stmt): Set it.
117         * c-decl.c (finish_decl): Use it to create a new BIND_EXPR
118         before instantiating a variable sized type.
119
120 2004-08-12  Richard Henderson  <rth@redhat.com>
121
122         * stor-layout.c (round_up, round_down): Move ...
123         * fold-const.c (round_up, round_down): ... here.  Use
124         multiple_of_p to avoid any arithmetic at all.
125
126 2004-08-12  Richard Henderson  <rth@redhat.com>
127
128         * gimplify.c (struct gimplify_init_ctor_preeval_data): New.
129         (gimplify_init_ctor_preeval_1): New.
130         (gimplify_init_ctor_preeval): New.
131         (gimplify_init_ctor_eval): New.
132         (gimplify_init_constructor): Use them.  Always gimplify the LHS
133         object first.
134
135 2004-08-12  Ziemowit Laski  <zlaski@apple.com>
136
137         (This patch is part of merge of objc-improvements-branch
138         into mainline.)
139
140         * doc/frontends.texi: Mention Objective-C++ in addition to
141         Objective-C.
142         * doc/install.texi: Add 'obj-c++' to list of configurable
143         languages.
144         * doc/invoke.texi: Rename Objective-C option headings to
145         indicate they also apply to Objective-C++.  List file
146         extensions for Objective-C++ sources.  Mention that
147         ObjC and ObjC++ compilations may also use C and C++ options,
148         respectively.  Point users to doc/standards.texi for
149         further info on ObjC and ObjC++.
150         * doc/sourcebuild.texi: Mention the objcp/ directory and
151         the Objective-C++ sources it contains.
152         * doc/standards.texi: Update link to Apple ObjC site;
153         add link to gcc readings.html WWW doc.
154
155 2004-08-12  Alan Modra  <amodra@bigpond.net.au>
156
157         * config/rs6000/rs6000.c (function_arg_padding): Revert 2004-07-28
158         and 2004-07-14 changes.
159
160 2004-08-12  Paul Brook  <paul@codesourcery.com>
161
162         * doc/invoke.texi: Fix typo.
163
164 2004-08-11 Devang Patel  <dpatel@apple.com>
165
166         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add -dead_strip
167         and -no_dead_strip_inits_and_terms.
168         (LINK_SPEC): Same.
169         * doc/invoke.texi (Darwin Options): Document -dead_strip and
170         -no_dead_strip_inits_and_terms.
171
172 2004-08-11  Paul Brook  <paul@codesourcery.com>
173
174         * config/arm/arm-protos.h (arm_finalize_pic) Rename ...
175         (arm_load_pic_register): ... to this.
176         * config/arm/arm.c (arm_finalize_pic): Rename ...
177         (arm_load_pic_register): ... to this.  Always output insns at the
178         current location.  Load via low reg in thumb mode.
179         (arm_expand_prologue): Call arm_load_pic_register.
180         (thumb_expand_prologue): Ditto.
181         * config/arm/arm.h (FINALIZE_PIC): Remove.
182         * config/arm/arm.md (builtin_setjmp_receiver): Call
183         arm_load_pic_register.
184
185 2004-08-11  Paul Brook  <paul@codesourcery.com>
186
187         * arm.c (thumb_force_lr_save): Add prototype.
188         (thumb_compute_save_reg_mask): New function.
189         (thumb_find_work_register): New function.
190         (arm_get_frame_offsets): Use thumb_compute_save_reg_mask.
191         (thumb_unexpanded_epilogue): Ditto.  Remove redundant code.
192         Don't clobber r3 when removing pretend args.
193         (thumb_expand_prologue): Use thumb_compute_save_reg_mask.
194         (thumb_output_function_prologue): Use new functions.
195         (thumb_set_return_address): Use thumb_compute_save_reg_mask.
196         * arm.h (THUMB_REG_PUSHED_P): Remove.
197
198 2004-08-11  James E Wilson  <wilson@specifixinc.com>
199
200         PR rtl-optimization/16490
201         * cfgrtl.c (cfg_layout_split_edge): Set global_live_at_start and
202         global_live_at_end for new basic block if already set for other blocks.
203
204 2004-08-11 David Edelsohn  <edelsohn@gnu.org>
205
206         * config/rs6000/rs6000.h (MAX_FIXED_MODE_SIZE): Define.
207
208         * config/rs6000/rs6000.md (mfcr rlwinm patterns): Set length to 8.
209         (mfcr rlwinm rlwinm patterns): Set length to 12.
210
211 2004-08-11  Andrew MacLeod  <amacleod@redhat.com>
212
213         * tree-flow-inline.h (get_def_ops, get_use_ops, get_v_may_def_ops,
214         get_vuse_ops,get_v_must_def_ops): Add operand structure reference.
215         (get_v_may_def_result_ptr, get_v_may_def_op_ptr): New access struct.
216         (start_ssa_stmt_operands): Delete.
217         * tree-flow.h (struct stmt_ann_d): Replace operand vectors with new
218         struct stmt_operands_d.
219         (build_ssa_operands): New extern entry point.
220         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove operand
221         building code, replace with create_ssa_artficial_load_stmt().
222         * tree-ssa-operands.c (struct voperands_d): Delete.
223         (allocate_v_may_def_optype): Allocate v_may_def_operand_type_t vector.
224         (allocate_v_must_def_optype): Use sizeof (tree), not sizeof (tree *).
225         (free_uses, free_defs, free_vuses, free_v_may_defs,
226         free_v_must_defs): Remove dealloc parameter.
227         (remove_vuses, remove_v_may_def, remove_v_must_defs): Delete.
228         (finalize_ssa_defs, finalize_ssa_uses, finalize_ssa_v_may_defs,
229         finalize_ssa_vuses, finalize_ssa_v_must_defs): Perform all operand
230         vector comparisons, ssa_name reuse, and allocations here.
231         (verify_start_operands): Delete.
232         (finalize_ssa_stmt_operands): Set new operands by calling finalize
233         routines.
234         (start_ssa_stmt_operands): Move from tree-flow-inline.h.
235         (append_def, append_usei): Simplify to simple accumulation.
236         (append_v_may_def, append_vuse, append_v_must_def): Simplify to avoiding
237         duplicates and simple accumulation.
238         (free_ssa_operands): Free vectors in a stmt_operand structure.
239         (build_ssa_operands): New. Create a new stmt_operand structure from
240         a stmt and an old set of stmt_operands.
241         (get_stmt_operands): Simplify and call build_ssa_operands.
242         (get_expr_operands, get_asm_expr_operands, get_indirect_ref_operands,
243         get_call_expr_operands, add_stmt_operand, add_call_clobber_ops,
244         add_call_read_ops): Don't pass prev_vops around anymore.
245         (note_addressable): Return if no stmt annotation.
246         (copy_virtual_operands): Access v_may_def operands through a struct.
247         (create_ssa_artficial_load_stmt): New.  Create a load stmt for DOM's
248         hash tables without treating the stmt as a real stmt.
249         * tree-ssa-operands.h (struct v_may_def_operand_type): New.  Access
250         v_may_def def and use through a struct instead of 2 array elements.
251         (struct v_may_def_optype_d): Use v_may_def_operand_type.
252         (struct stmt_operands_d): New.  Struct for storing all operand vectors.
253
254 2004-08-11  Nick Clifton  <nickc@redhat.com>
255
256         * config/arm/arm.c (arm_is_longcall_p): Update comment describing
257         this funciton's behaviour.  Return true when the current function
258         has a section attribute and -mlong-calls is in effect.
259         * config/arm/arm.h (ARM_DECLARE_FUNCTION_SIZE): Do not set the
260         short-call marker when -mlong-calls is in effect and the function
261         has a section attribute.
262
263 2004-08-10  Zack Weinberg  <zack@codesourcery.com>
264
265         * stmt.c (expand_return): If asked to return the RESULT_DECL,
266         just call expand_value_return on result_rtl.
267
268 2004-08-10  Richard Henderson  <rth@redhat.com>
269
270         * builtins.def (BUILT_IN_STACK_ALLOC): Remove.
271         * builtins.c (expand_builtin) <BUILT_IN_STACK_ALLOC>: Remove.
272         * dwarf2out.c (loc_descriptor): Handle PARALLEL here ...
273         (add_location_or_const_value_attribute): ... not here.  Use
274         loc_descriptor_from_tree if possible.
275         (loc_descriptor_from_tree_1): Rename from loc_descriptor_from_tree.
276         Simplify address handling.  Handle DECL_VALUE_EXPR.  Handle register
277         values specially.
278         (loc_descriptor_from_tree): New.  Update callers.
279         * expr.c (expand_var): Ignore DECL_VALUE_EXPR variables.
280         * gimplify.c (gimplify_decl_expr): Lower variable sized types to
281         pointer plus dereference.  Set DECL_VALUE_EXPR.  Set save_stack.
282         (gimplify_call_expr): Do not recognize BUILT_IN_STACK_ALLOC
283         and BUILT_IN_STACK_RESTORE.
284         (gimplify_expr): Lower DECL_VALUE_EXPR decls.
285         * stmt.c (expand_stack_alloc): Remove.
286         * tree-mudflap.c (mx_register_decls): Don't look for
287         BUILT_IN_STACK_ALLOC.
288         * tree-nested.c (convert_local_reference): Likewise.
289         * tree.h (DECL_VALUE_EXPR): New.
290
291 2004-08-10  Richard Henderson  <rth@redhat.com>
292
293         * stor-layout.c (round_up): Check for 0/1 before dividing.
294         (round_down): Likewise.
295
296         * tree-tailcall.c (suitable_for_tail_opt_p): Also check DECL_EXTERNAL.
297
298 2004-08-09  Mark Mitchell  <mark@codesourcery.com>
299
300         * config.gcc (arm*-*-eabi*): New target.
301         * defaults.h (TARGET_LIBGCC_FUNCS): New macro.
302         (TARGET_LIB_INT_CMP_BIASED): Likewise.
303         * expmed.c (expand_divmod): Try a two-valued divmod function as a
304         last resort.
305         * gthr.h: Remove bogus tokens at end of #pragma.
306         * optabs.c (expand_twoval_binop_libfunc): New function.
307         (prepare_cmp_insn): Handle the !TARGET_LIB_INT_CMP_BIASED case.
308         (prepare_float_lib_cmp): Try reversing the condition.
309         (debug_optab_libfuncs): New function.
310         * optabs.h (expand_twoval_binop_libfunc): Declare.
311         * config/arm/arm.c (arm_init_libfuncs): New function.
312         (arm_compute_initial_eliminatino_offset): Return HOST_WIDE_INT.
313         (TARGET_INIT_LIBFUNCS): Define it.
314         * config/arm/arm.h (TARGET_BPABI): New macro.
315         * config/arm/arm-protos.h
316         (arm_compute_initial_elimination_offset): Return HOST_WIDE_INT.
317         * config/arm/bpabi.S: New file.
318         * config/arm/bpabi.c: Likewise.
319         * config/arm/bpabi.h: Likewise.
320         * config/arm/ieee754-df.S (__aeabi_dneg): New function or alias.
321         (__aeabi_drsub): Likewise.
322         (__aeabi_dsub): Likewise.
323         (__aeabi_dadd): Likewise.
324         (__aeabi_ui2d): Likewise.
325         (__aeabi_i2d): Likewise.
326         (__aeabi_f2d): Likewise.
327         (__aeabi_dmul): Likewise.
328         (__aeabi_ddiv): Likewise.
329         (__aeabi_cdrcmple): Likewise.
330         (__aeabi_cdcmpeq): Likewise.
331         (__aeabi_cdcmple): Likewise.
332         (__aeabi_dcmpeq): Likewise.
333         (__aeabi_dcmplt): Likewise.
334         (__aeabi_dcmple): Likewise.
335         (__aeabi_dcmpge): Likewise.
336         (__aeabi_dcmpgt): Likewise.
337         (__aeabi_dcmpun): Likewise.
338         (__aeabi_d2iz): Likewise.
339         (__aeabi_d2uiz): Likewise.
340         (__aeabi_d2f): Likewise.
341         * config/arm/ieee754-sf.S (__aeabi_fneg): New function or alias.
342         (__aeabi_frsub): Likewise.
343         (__aeabi_fsub): Likewise.
344         (__aeabi_fadd): Likewise.
345         (__aeabi_ui2f): Likewise.
346         (__aeabi_i2f): Likewise.
347         (__aeabi_fmul): Likewise.
348         (__aeabi_fdiv): Likewise.
349         (__aeabi_cfrcmple): Likewise.
350         (__aeabi_cfcmpeq): Likewise.
351         (__aeabi_cfcmple): Likewise.
352         (__aeabi_fcmpeq): Likewise.
353         (__aeabi_fcmplt): Likewise.
354         (__aeabi_fcmple): Likewise.
355         (__aeabi_fcmpge): Likewise.
356         (__aeabi_fcmpgt): Likewise.
357         (__aeabi_fcmpun): Likewise.
358         (__aeabi_f2iz): Likewise.
359         (__aeabi_f2uiz): Likewise.
360         * config/arm/lib1funcs.asm (ARM_CALL): New macro.
361         (__aeabi_uidivmod): New function or alias.
362         (__aeabi_idivmod): Likewise.
363         (__aeabi_idiv0): Likewise.
364         (__aeabi_ldiv0): Likewise.
365         (__aeabi_llsr): Likewise.
366         (__aeabi_lasr): Likewise.
367         (__aeabi_llsl): Likewise.
368         (bpabi.S): Include it.
369         * config/arm/libgcc-bpabi.ver: New file.
370         * config/arm/symbian.h (ARM_DEFAULT_ABI): Remove.
371         (LINK_SPEC): Remove.
372         * config/arm/t-arm-elf (LIB1ASMFUNCS): Add __aeabi_lcmp and
373         __aeabi_ulcmp.
374         * config/arm/t-bpabi: New file.
375         * doc/tm.texi (TARGET_LIBGCC_FUNCS): New entry.
376         (TARGET_LIB_INT_CMP_BIASED): Likewise.
377
378 2004-08-10  David Edelsohn  <edelsohn@gnu.org>
379
380         * config/rs6000/rs6000-protos.h (expand_block_clear): Declare.
381         * config/rs6000/rs6000.md (clrmemsi): New pattern.
382         * config/rs6000/rs6000.c (expand_block_clear): New function.
383         (expand_block_move): Convert alignment to bits.  Use SImode and
384         HImode for unaligned addresses if not STRICT_ALIGNMENT.
385
386 2004-08-10  Caroline Tice  <ctice@apple.com>
387
388         * varasm.c (unlikely_section_label): New global variable.
389         (unlikely_text_section_name): New global variable.
390         (text_section):  Remove alignment statement.
391         (unlikely_text_section): Remove alignment statement; use
392         unlikely_section_label rather than hard-coded string.
393         (assemble_start_function): Initialize unlikely_section_label and
394         unlikely_text_section_name;  make sure cold section is properly
395         aligned at start of function; output unlikely_section_label if
396         appropriate.
397
398 2004-08-10  Ulrich Weigand  <uweigand@de.ibm.com>
399
400         * config/s390/s390-protos.h (s390_canonicalize_comparison): Declare.
401         * config/s390/s390.c (s390_canonicalize_comparison): New function.
402         * config/s390/s390.h (CANONICALIZE_COMPARISON): Define.
403         * config/s390/s390.md ("*tmdi_ext", "*tmsi_ext", "*tmqisi_ext",
404         "*tmqidi_ext", "*tmdi_mem", "*tmsi_mem", "*tmhi_mem"): Remove.
405         ("*tmqi_mem"): Remove SUBREG from pattern.
406         ("*anddi3_cconly"): Prevent accidentally matching TM pattern.
407         ("*andsi3_cconly"): Likewise.
408
409 2004-08-10  H.J. Lu  <hongjiu.lu@intel.com>
410
411         PR target/16909
412         * config/i386/i386.md (*strsetdi_rex_1): Use DI instead of SI.
413
414 2004-08-10  Janis Johnson  <janis187@us.ibm.com>
415
416         * doc/sourcebuild.texi (compat testing): Document available test
417         framework commands.  Use the preferred spelling of DejaGnu.
418
419 2004-08-10  Daniel Berlin <dberlin@dberlin.org>
420
421         * lambda.h: Add matrix type, and prototypes for remainder of
422         matrix and vector functions.
423         (lambda_vector_mult_const): New function.
424         (lambda_vector_negate): Ditto.
425         (lambda_vector_add): Ditto.
426         (lambda_vector_add_mc): Ditto.
427         (lambda_vector_copy): Ditto.
428         (lambda_vector_zerop): Ditto.
429         (lambda_vector_equal): Ditto.
430         (lambda_vector_min_nz): Ditto.
431         (lambda_vector_first_nz): Ditto.
432         (lambda_vector_matrix_mult): Ditto.
433         * lambda-mat.c: New file.
434         * Makefile.in (lambda-mat.o): New.
435
436 2004-08-10  Andrew MacLeod  <amacleod@redhat.com>
437
438         * tree-cfg.c (bsi_insert_before, bsi_insert_after): Call modify_stmt
439         after linking stmt into the program.
440         (bsi_remove): Don't call modify_stmt.
441         * tree-complex.c (update_complex_assignment,
442         expand_complex_comparison): Call modify_stmt after changing the stmt.
443         * tree-outof-ssa.c (rewrite_trees): Call modify_stmt only if not
444         removing the stmt.
445         * tree-ssa-ccp.c (substitute_and_fold): Call modify_stmt after changing
446         the stmt, and only if needed.
447         * tree-ssa-dom.c (thread_across_edge): Pass no annotation for a dummy
448         expression.
449         (simplify_rhs_and_lookup_avail_expr): Don't take an annotation param.
450         (simplify_cond_and_lookup_avail_expr): Use modify_stmt.
451         (simplify_switch_and_lookup_avail_expr): Don't take an annotation param.
452         (eliminate_redundant_computations): Don't pass an annotation. Call
453         modify_stmt rather than setting the annotation directly.
454         (record_equivalences_from_stmt): Remove unused local 'j'.
455         (cprop_operand): Take a stmt rather than an annotation as a parameter.
456         Call modify_stmt.
457         (cprop_into_stmt): Pass stmt rather than annotation.
458         (update_rhs_and_lookup_avail_expr): Call modify_stmt.
459         * tree-ssa-loop-im.c (schedule_sm): Call get_stmt_ann rather than
460         modify_stmt.
461         * tree-ssa.c (propagate_into_addr): Dont call modify_stmt.
462
463 2004-08-10  Jason Merrill  <jason@redhat.com>
464
465         PR middle-end/16948
466         * function.c (expand_function_start): Handle DECL_BY_REFERENCE on
467         the RESULT_DECL.
468
469 2004-08-10  Geoffrey Keating  <geoffk@apple.com>
470
471         * tree-vn.c (val_expr_pair_expr_eq): Compare vuses, to match the
472         hash function.
473
474 2004-08-10  Roger Sayle  <roger@eyesopen.com>
475
476         * config/mips/mips.md: New reciprocal square root patterns that
477         match sqrt(1.0/x) in addition to the existing 1.0/sqrt(x) insns.
478
479 2004-08-10  Paul Brook  <paul@codesourcery.com>
480
481         * config/arm/arm-protos.h (arm_set_return_address,
482         thumb_set_return_address): Add prototypes.
483         * config/arm/arm.h (ARM_FT_EXCEPTION_HANDLER): Remove.
484         * config/arm/arm.c (arm_compute_func_type,
485         use_return_insn, arm_compute_save_reg0_reg12_mask,
486         arm_compute_save_reg_mask, arm_output_function_prologue,
487         arm_output_epilogue): Replace ARM_FT_EXCEPTION_HANDLER with
488         current_function_calls_eh_return.
489         (thumb_exit, thumb_pushpop, thumb_unexpanded_epilogue): Replace
490         old eh code.
491         (arm_set_return_address, thumb_set_return_address): New functions.
492         * config/arm/arm.h (MUST_USE_SJLJ_EXCEPTIONS, DWARF2_UNWIND_INFO,
493         ARM_EH_STACKADJ_REGNUM, EH_RETURN_STACKADJ_RTX): Define.
494         * config/arm/arm.md (VUNSPEC_EH_RETURN): Add.
495         (epilogue): Use the stackadj register.
496         (eh_return, arm_eh_return, thumb_eh_return): New pattern.
497
498 2004-08-10  Jakub Jelinek  <jakub@redhat.com>
499
500         PR target/3144
501         * expr.c (move_by_pieces_ninsns): Add max_size argument.
502         (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1 to it.
503         (CLEAR_BY_PIECES_P): Pass STORE_MAX_PIECES + 1 to it.
504         (STORE_BY_PIECES_P): Define similarly to CLEAR_BY_PIECES_P,
505         but using MOVE_RATIO.
506         (move_by_pieces): Pass max_size to move_by_pieces_ninsns.
507         (can_store_by_pieces): Change max_size type to unsigned int.
508         (store_by_pieces_1): Likewise.  Pass max_size to
509         move_by_pieces_ninsns.
510         * config/s390/s390.h (STORE_BY_PIECES_P): Define.
511         * config/sh/sh.c (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1
512         to move_by_pieces_ninsns.
513         (STORE_BY_PIECES_P): Define.
514         * config/ns32k/ns32k.h (STORE_BY_PIECES_P): Pass STORE_MAX_PIECES + 1
515         to move_by_pieces_ninsns.
516         * doc/tm.texi (STORE_BY_PIECES_P): Document changed default.
517
518         * config/i386/i386.h (CLEAR_RATIO): Define.
519
520 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
521
522         * expr.c (expand_expr_real_1): Add back code that was not dead.
523
524 2004-08-09  Andrew Pinski  <apinski@apple.com>
525
526         * c-common.c (c_common_get_alias_set): Set the aliasing set of the type
527         which is found to be compatible before returning the aliasing set.
528
529 2004-08-09  Daniel Jacobowitz  <dan@debian.org>
530
531         * ggc-zone.c (struct alloc_zone): Add statistics counters.
532         (always_collect): New flag.
533         (ggc_alloc_zone_1): Update statistics support.  Don't include
534         overhead in allocated counter.
535         (sweep_pages): Update allocated counter for large pages.  Don'y
536         include overhead.
537         (ggc_collect_1): Always collect.
538         (ggc_collect): Honor always_collect flag.  Sum all zones to decide
539         whether to collect.
540         (SCALE, LABEL): New macros.
541         (ggc_print_statistics): Add statistics support.
542
543 2004-08-09  Roger Sayle  <roger@eyesopen.com>
544
545         * expmed.c (sdiv_pow2_cheap, smod_pow2_cheap): Change type to bool.
546         (init_expmed): Fix potential overrun problem with "all.reg".
547         (expand_sdiv2_pow2): Add an alternate implementation for signed
548         division, if the target provides a suitable conditional move insn.
549
550 2004-08-09  Paul Brook  <paul@codesourcery.com>
551         Richard Henderson  <rth@redhat.com>
552
553         * unwind-dw2.c (uw_install_context_1): Update target saved stack
554         pointer.
555
556 2004-08-09  Geoffrey Keating  <geoffk@apple.com>
557
558         * ggc-common.c (ggc_rlimit_bound): Don't check RSS limit.
559         Check DATA limit only if there's no AS limit.  Ignore insanely
560         low DATA limits.
561         (ggc_min_heapsize_heuristic): Don't divide AS or RSS limits by 8,
562         but take care that the AS limit isn't overrun.
563         * doc/invoke.texi: Update documentation of min-heapsize parameter.
564
565 2004-08-09  Jeff Law  <law@redhat.com>
566
567         * Makefile.in (OBJC-common): Add tree-ssa-threadupdate.c
568         (tree-ssa-threadupdate.o): Add dependencies.
569         * tree-ssa-threadupdate.c: New file.
570         * tree-flow.h (incoming_edge_threaded): New flag in block annotation.
571         (rewrite_vars_out_of_ssa): Remove prototype.
572         (cleanup_tree_cfg): Returns a bool.
573         * tree.h (thread_through_all_blocks): Prototype.
574         * tree-outof-ssa.c  (SSANORM_*): Move into here.
575         (remove_ssa_form): Now static.
576         (rewrite_vars_out_of_ssa): Kill.
577         * tree-ssa-live.c (register_ssa_partitions_for_vars): Kill.
578         * tree-ssa-live.h (SSANORM_*): Moved into tree-outof-ssa.c.
579         (remove_ssa_form, register_partitions_for_vars): Kill declarations.
580         * tree-cfg.c (cleanup_tree_cfg): Return a value indicating if
581         anything was changed.
582         * tree-phinodes.c (add_phi_arg): Get the block for the PHI
583         from the PHI's annotation rather than the edge associated with
584         the new argument.
585         * tree-ssa-dom.c (redirection_edges): Kill.
586         (redirect_edges_and_update_ssa_graph): Kill.
587         (tree_ssa_dominator_optimize): Do not reset forwardable flag
588         for blocks anymore.  Do not initialize redirection_edges.
589         Call thread_through_all_blocks.  Simplify code for cleanup
590         of the CFG and iterating.  No longer call cleanup_tree_cfg
591         outside the iteration loop.
592         (thread_across_edge): No longer mess with forwardable blocks.
593
594 2004-08-09  Zack Weinberg  <zack@codesourcery.com>
595
596         * explow.c (memory_address): Use memory_address_p.
597         * recog.c (general_operand): Likewise.
598         * regrename.c: No need to define REG_OK_STRICT.
599
600 2004-08-09  Steven Bosscher  <stevenb@suse.de>
601
602         * timevar.def (TV_CPROP1, TV_CPROP2, TV_PRE, TV_HOIST, TV_LSM):
603         New timers.
604         * gcse.c: Include timevar.h.
605         (const_prop_count, copy_prop_count): Rename to global_const_prop_count
606         and global_copy_prop_count.
607         (local_const_prop_count, local_copy_prop_count): New static globals.
608         (gcse_main): Set the right timevar for each pass.
609         (cprop_jump): Increment global_const_prop_count when a constant is
610         propagated.  Add "GLOBAL" to dump output.
611         (cprop_insn): Increment global_const_prop_count when a constant is
612         propagated, or global_copy_prop_count when a copy is propagated.
613         (do_local_cprop): Likewise for local_const_prop_count and
614         local_copy_prop_count.
615         (one_cprop_pass): Initialize const/cprop counters to zero.
616         Print out results of local and global const/cprop separately.
617         (bypass_block): Break over-length line.
618         * Makefile.in (gcse.o): Add TIMEVAR_H dependency.  Fix dependencies
619         for bb-reorder.o and tracer.o.
620
621 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
622
623         * Makefile.in (GTFILES): Remove stmt.c
624         (stmt.o): Do not depend on gt-stmt.h.
625         * emit-rtl.c (emit_line_note): Do not call
626         set_file_and_line_for_stmt.
627         * expr.c (expand_expr_real_1) <SWITCH_EXPR>: Let expand_case
628         do everything.
629         * function.c (free_after_parsing): Do not free STMT field.
630         (allocate_struct_function): Do not call init_stmt_for_function.
631         (assign_stack_temp_for_type): Do not accept values of keep
632         other than 0 or 1.
633         (init_temp_slots): Do not initialize removed variables.
634         * function.h (struct function): Remove STMT, X_TARGET_TEMP_SLOT_LEVEL
635         and X_VAR_TEMP_SLOT_LEVEL fields.
636         * rtl.h (set_file_and_line_for_stmt): Remove.
637         * stmt.c (struct nesting, ALLOC_NESTING, POPSTACK,
638         struct stmt_status, cond_stack, case_stack, nesting_stack,
639         nesting_depth, emit_locus, set_file_and_line_for_stmt,
640         same_case_target_p, init_stmt_for_function, emit_nop,
641         expand_start_cond, expand_start_elseif, expand_start_else,
642         expand_elseif, expand_end_cond): Remove.
643         (preserve_subexpressions_p): Remove references to CFUN->STMT.
644         (expand_start_case, expand_end_case_type): Remove, merge into...
645         (expand_case): ... this one, including other bits from
646         expand_expr_real_1.  Inline same_case_target_p.  Turn members
647         of CASE_STACK into local variables.
648         (emit_case_bit_tests): Inline same_case_target_p.
649         (add_case_node): Add HEAD argument, return new head of the list,
650         do not handle default label here.
651         * tree.h (expand_start_cond, expand_end_cond, expand_start_else,
652         expand_start_elseif, current_nesting_level, expand_start_case,
653         expand_end_case_type, expand_end_case, add_case_node,
654         init_stmt_for_function, expand_elseif): Remove prototypes.
655         (expand_case): Add prototype.
656
657 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
658
659         * expr.c (expand_expr_real_1): Use optab_for_tree_code.
660
661 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
662
663         * expr.c (var_rtx): Remove.
664         (expand_expr_real_1) <LOOP_EXPR, EXIT_EXPR,
665         LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR, TRUTH_ANDIF_EXPR,
666         TRUTH_ORIF_EXPR, COMPOUND_EXPR, CONJ_EXPR, INIT_EXPR>:
667         Abort.
668         (expand_expr_real_1) <COND_EXPR>: Remove most special cases.
669         * optabs.c (emit_clr_insn, emit_0_to_1_insn): Remove.
670         * optabs.h (emit_clr_insn, emit_0_to_1_insn): Remove.
671
672 2004-08-08  Mostafa Hagog  <mustafa@il.ibm.com>
673         Ayal Zaks <zaks@il.ibm.com>
674
675         * common.opt (freschedule-modulo-scheduled-loops): New flag.
676         * final.c (final_scan_insn): Handle NOTE_DISABLE_SCHED_OF_BLOCK.
677         * modulo-sched.c (sms_schedule): Emit a note to disable scheduling
678         when -freschedule-modulo-scheduled-loops flag is not specified.
679         (sms_schedule_by_order, ps_insn_advance_column, add_node_to_ps,
680         add_node_to_ps, ps_has_conflicts, ps_add_node_check_conflicts):
681         More accurate placing of insn in row of partial schedule.
682         (ps_insn_find_column): New function.
683         * rtl.h (NOTE_DISABLE_SCHED_OF_BLOCK): New note.
684         * sched-rgn.c (sched_is_disabled_for_current_region_p): New.
685         (schedule_region): Use sched_is_disabled_for_current_region_p.
686         * docs/invoke.texi: Document -freschedule-modulo-scheduled-loops.
687
688 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
689
690         * config/i386/i386.c (ix86_expand_clrmem): Revert the last
691         change.
692
693 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
694
695         * config/i386/i386.c (ix86_expand_clrmem): Properly call
696         gen_strset for 64bit target.
697
698 2004-08-07  Olivier Hainque  <hainque@act-europe.fr>
699
700         * config/vxworks.h (HANDLE_SYSV_PRAGMA): Remove definition.
701
702 2004-08-07  Jason Merrill  <jason@redhat.com>
703
704         Make return in memory explicit.
705         * function.c (aggregate_value_p): Check DECL_BY_REFERENCE.
706         (assign_parm_find_data_types): Remove code for old front end
707         invisible reference handling.
708         (assign_parms): Handle DECL_BY_REFERENCE on the RESULT_DECL.
709         (expand_function_end): Likewise.
710         * gimplify.c (gimplify_return_expr): Handle a dereferenced
711         RESULT_DECL.
712         * tree-inline.c (copy_body_r): Don't bother looking for &* anymore.
713         (declare_return_variable): Handle DECL_BY_REFERENCE.
714         * cp/cp-gimplify.c (is_invisiref_parm): Also handle RESULT_DECL.
715         (cp_genericize_r): Use convert_from_reference.
716         Don't dereference a RESULT_DECL directly inside a RETURN_EXPR.
717         (cp_genericize): Handle the RESULT_DECL.  Unset TREE_ADDRESSABLE.
718
719         * c-common.c (c_warn_unused_result): Check TREE_USED before
720         warning about a CALL_EXPR with an unused value.
721
722 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
723
724         * config/arm/symbian.h (CC1_SPEC): Avoid passing duplicate options
725         to the compiler.  Use -fshort-wchar by default.
726
727 2004-08-06  Pat Haugen  <pthaugen@us.ibm.com>
728
729         * params.def (PARAM_MIN_CROSSJUMP_INSNS): New.
730         * cfgcleanup.c (try_crossjump_to_edge): Add minimum insn match
731         threshhold.
732         * doc/invoke.texi (param): Document min-crossjump-insns.
733
734 2004-08-06  Richard Sandiford  <rsandifo@redhat.com>
735
736         PR c/13282
737         * c.opt (Wmissing-field-initializers): New option.
738         * c-opts.c (c_common_post_options): Make -Wextra turn it on by default.
739         * c-typeck.c (pop_init_level): Guard the missing field warning with
740         warn_missing_field_initializers rather than extra_warnings.
741         * doc/invoke.texi (-Wmissing-field-initializers): Document, moving
742         some of the explanation from...
743         (-Wextra): ...here.  Say that the missing field warning can be
744         seperately controlled by -Wmissing-field-initializers.
745
746 2004-08-06  Paolo Bonzini  <bonzini@gnu.org>
747
748         * expr.c (expand_expr_real_1) <ENTRY_VALUE_EXPR>: Remove.
749         * tree-inline.c (estimate_num_insns_1) <ENTRY_VALUE_EXPR>: Remove.
750         * tree-pretty-print.c (dump_generic_node) <ENTRY_VALUE_EXPR>: Remove.
751         * tree.def (ENTRY_VALUE_EXPR): Remove.
752
753 2004-08-06  Jakub Jelinek  <jakub@redhat.com>
754
755         * config/i386/i386.c (ix86_expand_clrmem): Move gen_cld down to
756         the places where it is actually needed.  Don't use repz; stosb
757         for -Os with sufficiently small constant sizes.
758         For sufficiently small repz; stos{l,q} repeat counts use a sequence
759         of stos{l,q} instructions instead.
760
761 2004-08-06  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
762
763         PR tree-optimization/16807
764         * loop-iv.c (dump_iv_info): Dump invariants correctly.
765         (iv_subreg, iv_extend): Express value of invariant purely in
766         base field.
767
768 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
769
770         * config/arm/symbian.h (CC1_SPEC): Add -fno-short-enums.
771         (CC1PLUS_SPEC): Define it to be the same as CC1_SPEC.
772
773 2004-08-06  Roman Zippel  <zippel@linux-m68k.org>
774
775         * config/m68k/m68k.c (post_inc_operand,pre_dec_operand): New.
776         * config/m68k/m68k.h (PREDICATE_CODES): add post_inc_operand,
777         pre_dec_operand.
778         * config/m68k/m68k.md (zero_extend*2): delay the splitting of the
779         pattern until reload is finished to allow better code generation
780         and split them completely into separate instrunctions.
781         (*andsi3_split): New pattern.
782
783 2004-08-05  Mark Mitchell  <mark@codesourcery.com>
784
785         * tree.c (handle_dll_attribute): Move here from i383/winnt.c.
786         Replace use of DECL_INLINE with DECL_DECLARED_INLINE_P.  Set
787         DECL_VISIBLITY.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
788         * tree.h (handle_dll_attribute): Declare.  Test
789         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
790         * c-common.h (c_determine_visibility): Declare.
791         * c-common.c (c_determine_visibility): New function.
792         * c-decl.c (finish_decl): Use it.
793         (finish_function): Likewise.
794         * defaults.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define it to
795         zero, by default.  Use #if, not #ifdef, to test it.
796         * config/arm/arm.c (arm_attribute_table): Use
797         handle_dll_attribute.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with
798         #if.
799         * config/arm/pe.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define to 1.
800         * config/i386/cygming.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
801         to 1.
802         * config/i386/i386-protos.h (ix86_handle_dll_attribute): Remove.
803         * config/i386/i386.c (ix86_attribute_table): Use
804         handle_dll_attribute for dllimport/dllexport.  Test
805         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
806         * config/i386/winnt.c (ix86_handle_dll_attribute): Remove.
807         * config/mcore/mcore.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
808         it to 1.
809         * config/mcore/mcore.c (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Test it
810         with #if.
811         * config/sh/symbian-pre.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
812         it to 1.
813         * doc/extend.texi (dllexport): Clarify and correct documentation.
814         (dllimport): Likewise.
815         * doc/tm.texi (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Mention
816         handle_dll_attribute.
817
818 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
819
820         * tree-ssa-loop-manip.c: New file.
821         * Makefile.in (tree-ssa-loop-manip.o): Add.
822         * tree-flow.h (rewrite_into_loop_closed_ssa, verify_loop_closed_ssa):
823         Declare.
824         * tree-ssa-loop.c (tree_loop_optimizer_init): Create loop closed ssa
825         form.
826         (tree_ssa_loop_done): Verify loop closed ssa form.
827         * tree-ssa-loop-im.c (move_computations): Update loop closed ssa form.
828
829 2004-08-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
830
831         * pa.c (pa_asm_output_aligned_bss, pa_asm_output_aligned_common,
832         pa_asm_output_aligned_local): New functions.
833         * pa-protos.h: Add prototypes for pa_asm_output_aligned_bss,
834         pa_asm_output_aligned_common and pa_asm_output_aligned_local.
835         * pa-pro-end.h (ASM_OUTPUT_ALIGNED_COMMON): Use
836         pa_asm_output_aligned_common.
837         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
838         * pa.h (ASM_OUTPUT_ALIGNED_BSS): New macro.
839         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
840         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
841         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): New macro.
842         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
843         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
844         * som.h (MAX_OFILE_ALIGNMENT): Provide maximum alignment of global
845         common data.
846
847 2004-08-05  Andrew Pinski  <apinski@apple.com>
848
849         * objc/objc-act.c (build_objc_string_object): Mark the address
850         expression as constant.
851
852 2004-08-05  David Edelsohn  <edelsohn@gnu.org>
853
854         * config/rs6000/rs6000.c (rs6000_rtx_costs): Fix mask_operand
855         and mask64_operand thinkos.  Handle ZERO_EXTRACT.  Handle
856         SIGN_EXTEND / ZERO_EXTEND of MEM.  Handle rlwinm patterns.
857
858 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
859
860         * config/linux.h, config/i386/linux.h, config/sparc/linux.h:
861         Remove definitions conditioned on USE_GNULIBC_1 or conditioned
862         out, and associated obsolete comments.
863
864 2004-08-05  Nathan Sidwell  <nathan@codesourcery.com>
865
866         * tree.h (force_fit_type): Return a tree, take three flags.
867         * fold-const.c (force_fit_type): Set TREE_OVERFLOW and
868         TREE_CONSTANT_OVERFLOW here.
869         (int_const_binop, const_binop): Adjust.
870         (size_int_type): Do sign extension here.
871         (fold_convert_const, optimize_bit_field_compare,
872         decode_field_reference, all_ones_mask_p, fold_div_compare, fold,
873         fold_negate_const, fold_abs_const, fold_not_const): Adjust.
874         * tree.c (size_in_bytes, int_fits_type_p): Adjust.
875
876 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
877
878         PR tree-optimization/16864
879         * tree-tailcall.c (eliminate_tail_call): Do not create phi nodes
880         for ssa names without default_def.
881
882 2004-08-05  Richard Sandiford  <rsandifo@redhat.com>
883
884         * config/i386/i386.c (ix86_expand_prologue): If the function uses a
885         frame pointer, restore eax with an ebp-relative address.
886
887 2004-08-04  Geoffrey Keating  <geoffk@apple.com>
888
889         PR 14516
890         * c-common.c (c_expand_decl): Don't special-case static VAR_DECLs.
891         * c-common.h (make_rtl_for_local_static): Delete.
892         * c-decl.c (shadow_tag_warned): Clean up comment.
893         (finish_decl): Clean up spacing.  Use set_user_assembler_name when
894         appropriate.  Don't pass asmspec to rest_of_decl_compilation.
895         * c-semantics.c (make_rtl_for_local_static): Delete.
896         * expr.c (init_block_move_fn): Use set_user_assembler_name.
897         (init_block_clear_fn): Likewise.
898         * passes.c (rest_of_decl_compilation): Remove asmspec parameter,
899         expect it to be in DECL_ASSEMBLER_NAME.  Update callers in many files.
900         * toplev.h (rest_of_decl_compilation): Remove asmspec parameter.
901         * tree.h (make_decl_rtl): Remove second parameter.
902         (set_user_assembler_name): New.
903         * varasm.c (set_user_assembler_name): New.
904         (make_decl_rtl): Remove second parameter.  Update callers in many
905         files.
906
907 2004-08-05  Adam Nemet  <anemet@lnxw.com>
908
909         * config.gcc (case i[34567]86-*-lynxos*): Update to LynxOS 4.0.
910         (case rs6000-*-lynxos*): Rename it to powerpc-*-lynxos*.  Update
911         to LynxOS 4.0.
912         * gthr-lynx.h: New file.
913         * config/lynx-ng.h: Remove file.
914         * config/lynx.h: Update to LynxOS 4.0.
915         * config/t-lynx: New file.
916         * config/i386/lynx-ng.h: Remove file.
917         * config/i386/lynx.h: Update to LynxOS 4.0.
918         * config/rs6000/lynxbase.h: Remove file.
919         * config/rs6000/lynx.h: Update to LynxOS 4.0.
920         * config/rs6000/t-lynx: New file.
921         * doc/install.texi (Options specification): Remove reference to
922         LynxOS from systems where --with-gnu-as makes a difference.
923
924 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
925
926         * c-common.c (c_stddef_cpp_builtins): Define __INTMAX_TYPE__ and
927         __UINTMAX_TYPE__.
928         * c-cppbuiltin.c (builtin_define_stdint_macros): New.  Define
929         __INTMAX_MAX__.
930         (c_cpp_builtins): Call it.
931         * doc/cpp.texi: Update.
932
933 2004-08-04  David Edelsohn  <edelsohn@gnu.org>
934
935         * config/rs6000/rs6000.c (rs6000_rtx_costs): LABEL_REFs are zero
936         cost.
937
938 2004-08-04  Jan Hubicka  <jh@suse.cz>
939
940         * basic-block.h (profile_staus): New global variable.
941         * cfg.c (profile_status): Declare.
942         (check_bb_profile): Break out from ....; use profile_status
943         (dump_flow_info): ... here.
944         * cfgbuild.c (find_basic_blocks): Set profile_status.
945         * cfgexpand.c (tree_expand_cfg): Likewise.
946         * predict.c (estimate_probability): Likewise.
947         * profile.c (branch_prob): Likewise.
948         * tree-cfg.c (build_tree_cfg): Likewise.
949         (dump_function_to_file): Use check_bb_profile.
950         * tree-pretty-print (dump_bb_header): Likewise.
951         * tree-profile.c (do_tree_profiling): Cleanup.
952
953 2004-08-04  Zack Weinberg  <zack@codesourcery.com>
954
955         * Makefile.in (RTL_BASE_H, RTL_H): Correct.
956         (BUILD_RTL): Remove $(BUILD_PREFIX) from ggc-none.o.
957         (genobjs): Add errors.o, ggc-none.o, and min-insn-modes.o.
958         (read-rtl.o, gensupport.o, genconfig.o, genflags.o, gencodes.o)
959         (genconstants.o, genemit.o, genopinit.o, genrecog.o, genextract.o)
960         (genpeep.o, genattr.o, genattrtab.o, genautomata.o, genoutput.o)
961         (genconditions.o): Depend on $(RTL_BASE_H) not $(RTL_H).
962         (ggc-none.o, errors.o): Move rule to generators section;
963         correct dependencies.
964         (min-insn-modes.o): Move rule to generators section; remove
965         unnecessary explicit command; correct dependencies.
966         (print-rtl.o, print-rtl1.o): Correct dependencies.
967         ($(BUILD_PREFIX_1)errors.o. $(BUILD_PREFIX_1)ggc-none.o): Delete rule.
968         (mostlyclean): Update.
969
970         * errors.c: Include bconfig.h not config.h.  Correct comment.
971         * gengtype.c, genpreds.c: Don't define NO_GENRTL_H.
972         * ggc-none.c: Include bconfig.h; not config.h or tm.h.
973         * print-rtl.c: Don't include tm_p.h.
974
975         * rtl.h: Move forward-decl of struct function down where it's
976         needed.  Include genrtl.h #ifndef GENERATOR_FILE, not
977         #ifndef NO_GENRTL_H.  Remove unnecessary #ifdef BUFSIZ statements.
978
979 2004-08-04  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
980             Jeff Law  <law@redhat.com>
981
982         * tree-cfg.c (tree_duplicate_bb): Mark duplicated definitions.
983         * tree-flow.h (rewrite_ssa_into_ssa): Declaration changed.
984         * tree-into-ssa.c (rewrite_ssa_into_ssa): Use new interface to
985         manipulate the duplicated ssa names.
986         * tree-ssanames.c (ssa_names_to_rewrite): New variable.
987         (marked_for_rewrite_p, any_marked_for_rewrite_p, mark_for_rewrite,
988         unmark_all_for_rewrite, marked_ssa_names, release_ssa_name_force):
989         New functions.
990         (release_ssa_name): Do not release ssa names that may have multiple
991         definitions.
992         * tree.h (release_ssa_name_force, mark_for_rewrite,
993         unmark_all_for_rewrite, marked_for_rewrite_p, any_marked_for_rewrite_p,
994         marked_ssa_names): Declare.
995         * tree-ssa-loop-ch.c (mark_defs_for_rewrite): Remove.
996         (duplicate_blocks): Remove call to mark_defs_for_rewrite.
997         Update call to rewrite_ssa_into_ssa.
998
999 2004-08-04  Mark Mitchell  <mark@codesourcery.com>
1000
1001         * defaults.h (TARGET_DECLSPEC): New macro.
1002         * c-cppbuiltin.c (c_cpp_builtins): Handle TARGET_DECLSPEC.
1003         * config/arm/pe.h (SUBTARGET_CPP_SPEC): Remove __declspec support.
1004         * config/arm/symbian.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define.
1005         * config/i386/beof-elf.h (TARGET_OS_CPP_BUILTINS): Remove
1006         __declspec support.
1007         (TARGET_DECLSPEC): Define.
1008         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Remove
1009         __declspec support.
1010         * config/i386/i386-interix.h (TARGET_OS_CPP_BUILTINS): Remove
1011         __declspec support.
1012         (TARGET_DECLSPEC): Define.
1013         * config/mcore/mcore.h (TARGET_CPU_CPP_BUILTINS): Remove
1014         __declspec support.
1015         * config/sh/symbian-pre.h (SUBTARGET_CPP_SPEC): Remove __declspec
1016         support.
1017         * doc/tm.texi (TARGET_DECLSPEC): Document.
1018
1019         * doc/extend.texi: Fix typo in comment.
1020
1021 2004-08-04  Paul Brook  <paul@codesourcery.com>
1022
1023         * target-def.h (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
1024         (TARGET_CXX): Use it.
1025         * target.h (struct gcc_target): Add cdtor_returns_this.
1026         * config/arm/arm.c (arm_cxx_cdtor_returns_this): New function.
1027         (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
1028         * doc/tm.texi: Document TARGET_CXX_CDTOR_RETURNS_THIS.
1029
1030 2004-08-03  Nathan Sidwell  <nathan@codesourcery.com>
1031
1032         * c-lex.c (narrowest_unsigned_type, narrowest_signed_type): Take
1033         low/high pair. Do range checking directly.
1034         (interpret_integer): Adjust.
1035
1036 2004-08-04  Nick Clifton  <nickc@redhat.com>
1037
1038         * config/sh/sh.h (TARGET_SWITCHES): Add no-renesas to select the
1039         GCC ABI.
1040         * doc/invoke.texi: Document this new switch and also the -mrenesas
1041         switch.
1042
1043 2004-08-04  Nathan Sidwell  <nathan@codesourcery.com>
1044
1045         * cfglayout.c (insn_locators_initialize): Update the current
1046         location before initializing a location.
1047
1048 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
1049
1050         * dbxout.c (dbxout_function_decl): Always call dbxout_function_end.
1051         (dbxout_function_end): Return after emitting the "Lscope" symbol
1052         under the same conditions that this function formerly wasn't called.
1053         Add explanatory comments.
1054
1055         PR 14860
1056         * c-decl.c (record_builtin_type): Call debug_hooks->type_decl
1057         on the new decl.
1058
1059         PR 13956
1060         * dbxout.c (dbx_output_lbrac, dbx_output_rbrac): New
1061         functions, broken out of dbxout_block.
1062         (dbxout_block): The block at depth 0 should get LBRAC/RBRAC
1063         stabs too, if it contains symbols.  Use the begin_label and
1064         the Lscope label (emitted by dbxout_function_end) for the
1065         range of this block.
1066
1067 2004-08-03  Nathanael Nerode  <neroden@gcc.gnu.org>
1068
1069         * doc/install.texi: Update autoconf version requirements.
1070
1071 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
1072
1073         * defaults.h (LEGITIMATE_PIC_OPERAND_P): Provide default definition.
1074         * recog.c (general_operand, immediate_operand, nonmemory_operand)
1075         (asm_operand_ok): Remove #ifdefs on LEGITIMATE_PICOPERAND_P.
1076         * regclass.c (record_reg_classes): Likewise.
1077         * reload.c (find_reloads): Likewise.
1078         * reload1.c (reload): Likewise.
1079
1080 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
1081
1082         * gensupport.c (init_md_reader_args_cb): Renamed from
1083         init_md_reader_args.  Add third option, callback function for
1084         parsing program-specific options.  Add diagnosis of incorrect
1085         number of input files.
1086         (init_md_reader): Fold into init_md_reader_args_cb.
1087         (init_md_reader_args): Now a thin wrapper around
1088         init_md_reader_args_cb.
1089         * gensupport.h: Update prototypes.
1090
1091         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
1092         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
1093         * genrecog.c: No need to diagnose lack of an input file;
1094         init_md_reader_args will handle it.
1095         * genconditions.c: Likewise, and use init_md_reader_args.
1096         * genconstants.c: Likewise, and no need to call read_md_rtx.
1097
1098 2004-08-03  Joseph S. Myers  <jsm@polyomino.org.uk>
1099
1100         * c-decl.c (implicitly_declare): Diagnose incompatible implicit
1101         declarations.
1102
1103 2004-08-03  Mike Stump  <mrs@apple.com>
1104
1105         * config/darwin-c.c: Don't search in "/Local/Library/Frameworks"
1106         for frameworks.
1107         * doc/invoke.texi (Darwin Options): Update to reflect above.
1108
1109 2004-08-03  Roger Sayle  <roger@eyesopen.com>
1110
1111         PR middle-end/16790
1112         * fold-const.c (extract_muldiv_1) <NOP_EXPR>: Disallow local
1113         truncations, not just global truncations.
1114
1115 2004-08-03  Andrew Pinski  <apinski@apple.com>
1116
1117         PR bootstrap/16865
1118         * loop-iv.c (simplify_using_assignment): Initialize lhs.
1119
1120 2004-08-03  Paul Brook  <paul@codesourcery.com>
1121
1122         * gcc/doc/install.texi: Document MPFR requirement.
1123
1124 2004-08-03  Maciej W. Rozycki  <macro@linux-mips.org>
1125
1126         * aclocal.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Check for <sys/mman.h>
1127         and mmap() explicitly instead of relying on preset autoconf cache
1128         variables.
1129         * configure: Regenerate.
1130
1131 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
1132
1133         PR target/16570
1134         * config.gcc (i[34567]86-*-* | x86_64-*-*): Add i386/t-gmm_malloc
1135         to tmake_file.
1136         (i[34567]86-*-linux*aout* | i[34567]86-*-linux*libc1): Likewise.
1137         (i[34567]86-*-linux* | x86_64-*-linux*): Add i386/t-pmm_malloc
1138         to tmake_file.
1139
1140         * config/i386/t-gmm_malloc: New file.
1141         * config/i386/t-pmm_malloc: Likewise.
1142
1143         * config/i386/xmmintrin.h: Include <mm_malloc.h>.
1144
1145 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
1146             Tanguy Fautrà <tfautre@pandora.be>
1147
1148         * config/i386/pmm_malloc.h: New file.
1149
1150 2004-08-03  Danny Smith  <dannysmith@users.sourceforge.net>
1151
1152         * config/i386/gmm_malloc.h: New file.
1153
1154 2004-08-03  Dale Johannesen  <dalej@apple.com>
1155
1156         * config/rs6000/rs6000.c (machopic_output_stub):  Align Darwin stubs.
1157         * c-common.c: Include opts.h.
1158         (c_common_get_alias_set): Fix check for a single input file.
1159         * toplev.c: Remove current_file_decl.
1160         * tree.h: Ditto.
1161
1162 2004-08-03  Mark Mitchell  <mark@codesourcery.com>
1163
1164         * config.gcc (arm*-*-symbianelf*): New target.
1165         * config/arm/symbian.h: New file.
1166
1167         * gthr-gnat.c: Add visibility #pragmas.
1168         * gthr-gnat.h : Likewise.
1169         * gthr.h: Likewise.
1170         * libgcc2.c (__ffsSI2): Move prototype to libgcc2.h.
1171         (__ffsDI2): Likewise.
1172         (__clzSI2): Likewise.
1173         (__ctzSI2): Likewise.
1174         (__ctzDI2): Likewise.
1175         (__popcountSI2): Likewise.
1176         (__popcountDI2): Likewise.
1177         (__paritySI2): Likewise.
1178         (__parityDI2): Likewise.
1179         * libgcc2.h: Add visibility #pragmas.
1180         (__clzDI2): Add prototype.
1181         (__clzSI2): Likewise.
1182         (__ctzSI2): Likewise.
1183         (__ffsDI2): Likewise.
1184         (__ffsSI2): Likewise.
1185         (__ctzDI2): Likewise.
1186         (__popcountSI2): Likewise.
1187         (__popcountDI2): Likewise.
1188         (__paritySI2): Likewise.
1189         (__parityDI2): Likewise.
1190         * unwind-dw2-fde.h: Add visibility #pragmas.
1191         * unwind.h: Likewise.
1192
1193 2004-08-03  David Edelsohn  <edelsohn@gnu.org>
1194             Dale Johannesen  <dalej@apple.com>
1195             Roger Sayle  <roger@eyesopen.com>
1196
1197         * config/rs6000/rs6000.c (rs6000_rtx_costs): Calculate cost of
1198         constants more accurately.  Adjust costs for FMA instructions.
1199         Add cases for most logical and float operations.  Recurse into
1200         most operands.
1201
1202 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
1203
1204         * config.gcc (strongarm-*, xscale-*): Add t-arm to tmake_files.
1205
1206 2004-08-03  Pat Haugen  <pthaugen@us.ibm.com>
1207
1208         * ra-build.c (conflicts_between_webs): For webs that cross a call add
1209         conflicts to regs_invalidated_by_call.
1210
1211 2004-08-03  Paul Brook  <paul@codesourcery.com>
1212
1213         * config/arm/arm.c (emit_sfm): Only emit a single frame adjustment.
1214
1215 2004-08-03  Jan Hubicka  <jh@suse.cz>
1216
1217         * coverage.c (tree_coverage_counter_ref): Fix computation of the new
1218         ARRAY_REF argument.
1219
1220 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
1221
1222         * arm-cores.def: Sort by architecture.  Add arm946es, arm966es,
1223         arm968es, arm10e, arm1020e, arm1022e.
1224         * invoke.texi: Update list of ARM cores.
1225         * arm-tune.md: Regenerate.
1226
1227 2004-08-03  Richard Earnshaw <rearnsha@arm.com>
1228
1229         * arm/gentune.sh: New file.
1230         * arm/t-arm: New file.
1231         * arm/arm-tune.md: New file (autogenerated).
1232         * config.gcc (arm*-*-*): Add t-arm to tmake_file for all variants.
1233         * arm.md (attribute tune): Delete.  Include arm-tune.md.
1234
1235 2004-08-03  Paolo Bonzini <bonzini@gnu.org>
1236
1237         * gcc.c (add_prefix, add_sysrooted_prefix): Remove
1238         penultimate parameter.  All callers adjusted.
1239         (struct prefix_list): Remove used_flag_ptr.
1240         (find_a_file): Do not set *pl->used_flag_ptr.
1241         (warn_B, warn_std_ptr): Remove.
1242
1243 2004-08-03  Yossi Markovich <yossim@il.ibm.com>
1244             Mostafa Hagog <mustafa@il.ibm.com>
1245
1246         * config/rs6000/altivec.md (altivec_vnmsubfp): Fix wrong pattern.
1247
1248 2004-08-02  Geoffrey Keating  <geoffk@apple.com>
1249
1250         * dwarf2out.c (output_call_frame_info): Don't change data format
1251         due to TARGET_USES_WEAK_UNWIND_INFO.  Always refer to the local
1252         label.  Use 'true' not '1'.
1253         * doc/install.texi (powerpc-*-darwin*): Mention cctools version
1254         required.
1255
1256 2004-08-02  Gabriel Dos Reis  <gdr@cs.tamu.edu>
1257
1258         * gdbinit.in: Reflect previous changes to rtunion_def.
1259
1260 2004-08-02  Roger Sayle  <roger@eyesopen.com>
1261
1262         * fold-const.c (fold) <TRUNC_MOD_EXPR>: The transformation "X % -Y"
1263         -> "X % Y" is only valid for TRUNC_MOD_EXPR.
1264
1265 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1266
1267         * vec.h (DEF_VEC_P): Add proper cast to uses of vec_o_reserve and
1268         vec_p_reserve.
1269         * langhooks.h (lang_hooks::builtin_function): Rename parameter
1270         from "class" to "bt_class".
1271
1272 2004-08-02  Paul Brook  <paul@codesourcery.com>
1273
1274         PR rtl-optimization/15068
1275         * flow.c (init_propagate_block_info): Check condition is reversible.
1276
1277 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1278
1279         * gengtype.h (options::info): Change type to const char *.
1280         (enum gc_used_enum): Move out of struct type scope.
1281         * gengtype.c (create_option): Convert initializer for option::info to
1282         appropiate type.
1283         (adjust_field_type, walk_type, write_func_for_structure,
1284         write_root, write_roots): Remove pointless cast.
1285
1286 2004-08-02  J"orn Rennecke <joern.rennecke@superh.com>
1287
1288         * genopinit.c (gen_insn): Check for MODE_COMPLEX_FLOAT patterns for $F.
1289
1290 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1291
1292         * rtl.h (union rtunion_def): Have all members  start with the
1293         prefix "rt_".
1294         (XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE, XBBDEF, XTMPL,
1295         X0INT, X0UINT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
1296         X0MEMATTR, X0BBDEF, X0REGATTR, XCINT, XCUINT, XCSTR, XCEXP,
1297         XCVEC, XCMODE, XCBITMAP, XCTREE, XCBBDEF, XC2EXP): Adjust members
1298         access.
1299         * gengtype.c (adjust_field_rtx_def): Likewise.
1300         * rtlanal.c (loc_mentioned_in_p): Likewise.
1301
1302 2004-08-02  Richard Sandiford  <rsandifo@redhat.com>
1303
1304         * config.gcc (mips*-*-elf*, mips*-*-rtems*): Add elfos.h to tm_file.
1305         Replace uses of mips/elf64.h with mips/elf.h
1306         * config/mips/elf.h (MAX_OFILE_ALIGNMENT, TARGET_ASM_NAMED_SECTION)
1307         (TYPE_OPERAND_FMT, TYPE_ASM_OP, SIZE_ASM_OP, BSS_SECTION_ASM_OP)
1308         (ASM_OUTPUT_ALIGNED_BSS, ASM_WEAKEN_LABEL, ASM_OUTPUT_WEAK_ALIAS)
1309         (MAKE_DECL_ONE_ONLY, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP)
1310         (HANDLE_SYSV_PRAGMA): Delete.
1311         (ASM_OUTPUT_DEF): Fix formatting.
1312         * config/mips/elf64.h: Delete.
1313
1314 2004-08-01  Zack Weinberg  <zack@codesourcery.com>
1315
1316         * config/ia64/ia64.c (got_symbolic_operand): Do require a
1317         symbol+offset operand to have its offset be zero mod 0x3fff
1318         when GOT entries are in use.  Clarify logic in SYMBOL_REF
1319         case.  Clarify comments.
1320         (ia64_expand_load_address): Split a symbol+offset load when
1321         the offset is nonzero mod 0x3fff, not 0x1fff.
1322
1323 2004-08-01  Geoffrey Keating  <geoffk@apple.com>
1324
1325         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Just abort
1326         if trying to *store* to a non-offsettable address.
1327         * config/rs6000/rs6000.md (movtf_internal): Don't move GPRs to
1328         a nonoffsettable address.
1329         (movdi_internal32): Don't move GPRs to a nonoffsettable address.
1330         Clean up.
1331         (movti_string): Don't move GPRs to a nonoffsettable address.
1332         (movti_ppc64): Don't move GPRs to a nonoffsettable address.  Clean up.
1333
1334 2004-08-02  Ben Elliston  <bje@au.ibm.com>
1335
1336         PR target/16155
1337         * config/rs6000/altivec.h: Replace typeof with __typeof__.
1338
1339 2004-08-01  Richard Henderson  <rth@redhat.com>
1340
1341         * expr.c (expand_expr_real_1) <normal_inner_ref>: Fix crash with
1342         variable sized types.
1343
1344 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
1345
1346         * doc/invoke.texi: In the MIPS options section, remove the passage
1347         saying that -mexplicit-relocs is usually disabled for -mabicalls
1348         -fno-unit-at-a-time.
1349         * config/mips/mips.c (override_options): Remove the code that enforced
1350         this rule.
1351
1352 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
1353
1354         * config/mips/mips.md (cprestore): Provide two alternatives, one for
1355         an in-range offset and one for an out-of-range offset.  Wrap the latter
1356         in .set macro/.set nomacro if it's inside a .set nomacro block.
1357
1358 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
1359
1360         * config/mips/mips-protos.h (mips_gp_save_slot): Remove.
1361         (mips_restore_gp): Declare.
1362         * config/mips/mips.c (mips_add_offset): Add a scratch register
1363         argument.  Reimplement in rtl only, reusing MIPS16 logic from
1364         mips_output_mi_thunk.
1365         (mips_legitimize_address, mips_legitimize_const_move): Adjust calls
1366         to mips_add_offset.
1367         (mips_gp_save_slot): Delete.
1368         (mips_restore_gp): New function.
1369         (mips_set_return_address, mips_output_mi_thunk): Use mips_add_offset.
1370         * config/mips/mips.md (exception_receiver): Turn into a
1371         define_insn_and_split.  Use mips_restore_gp to do the split.
1372         (call_internal, call_value_internal, call_value_multiple_internal): Use
1373         mips_restore_gp to restore $gp.
1374
1375 2004-07-31  Andrew Pinski  <apinski@apple.com>
1376
1377         PR other/16842
1378         * mkheaders.in (libsubdir): s/gcc-lib/gcc/.
1379
1380 2004-07-31  Joseph S. Myers  <jsm@polyomino.org.uk>
1381
1382         * c-decl.c (diagnose_mismatched_decls): Give error for external
1383         redeclaration of identifier declared with no linkage, not just
1384         warning with -Wtraditional.  Do not check DECL_CONTEXT to give
1385         error for redeclaration with no linkage.
1386
1387 2004-07-30  Geoffrey Keating  <geoffk@apple.com>
1388             Fariborz Jahanian <fjahanian@apple.com>
1389
1390         * config/rs6000/rs6000.c (legitimate_lo_sum_address_p): Permit
1391         non-offsettable addresses even for DImode.
1392         (rs6000_split_multireg_move): Cope with non-offsettable addresses
1393         being moved into multiple GPRs.
1394
1395         * config/rs6000/rs6000.c (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Default
1396         to 64.
1397         (rs6000_override_options): Use RS6000_DEFAULT_LONG_DOUBLE_SIZE.
1398         * config/rs6000/darwin.h (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define
1399         to 128.
1400         * config/rs6000/darwin-ldouble.c (isless): New macro.
1401         (inf): New macro.
1402         (nonfinite): New macro.
1403         (FPKINF): Delete.
1404         (_xlqadd): Completely rewrite.
1405         (_xlqmul): Correct overflow handling.
1406         (_xlqdiv): Correct overflow handling.
1407         * config/rs6000/darwin-ldouble-format: New file.
1408
1409 2004-07-30  Roger Sayle  <roger@eyesopen.com>
1410             Richard Henderson  <rth@redhat.com>
1411
1412         * config/i386/i386.md: New peephole2's to convert imul by 3, 5 or
1413         9 into the equivalent lea instruction.
1414
1415 2004-07-30  Richard Henderson  <rth@redhat.com>
1416
1417         * gimplify.c (gimplify_expr) <case CONST_DECL>: Don't replace
1418         with DECL_INITIAL if fb_lvalue.
1419         * tree-gimple.c (is_gimple_id): Add CONST_DECL.
1420         * tree-pretty-print.c (dump_decl_name): Dump unnamed CONST_DECL
1421         with <Cxxx>.
1422         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Fold CONST_DECL.
1423
1424 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
1425
1426         * tree-ssa-alias.c (compute_points_to_and_addr_escape): If a
1427         pointer escapes through a function call, assume that the
1428         callee will dereference it.
1429         (add_pointed_to_var): Assume that VALUE is always an
1430         ADDR_EXPR.
1431         (collect_points_to_info_r): Only call add_pointed_to_var if
1432         the value is an ADDR_EXPR.
1433
1434 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
1435
1436         * tree-ssa-alias.c (create_alias_map_for): Do not get the
1437         alias set of the inner type of ARRAY_TYPEs.
1438
1439 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
1440
1441         * tree-ssa-ccp.c (visit_assignment): Move code to prevent
1442         setting a non-register to UNDEFINED right before the call to
1443         set_lattice_value.
1444
1445 2004-07-29  Kaz Kojima  <kkojima@gcc.gnu.org>
1446
1447         * config/sh/lib1funcs.asm: Make aliases movstr* for movmem*.
1448
1449 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
1450
1451         * tree-ssa.c (verify_flow_sensitive_alias_info): When
1452         comparing points-to sets of different pointers, make sure the
1453         second pointer is actually referenced in the code.
1454
1455 2004-07-29  Zack Weinberg  <zack@codesourcery.com>
1456
1457         * config/ia64/ia64.c (setjmp_operand): Delete, unused.
1458         (got_symbolic_operand): Remove unreachable code.
1459         * config/ia64/ia64.h (PREDICATE_CODES): Remove entry for
1460         setjmp_operand; add entry for tls_symbolic_operand.
1461         * config/ia64/ia64-protos.h: Remove all prototypes of
1462         predicate functions.
1463
1464 2004-07-29  Mark Mitchell  <mark@codesourcery.com>
1465
1466         * c-common.h (lang_post_pch_load): New variable.
1467         * c-pch.c (lang_post_pch_load): Define it.
1468         (c_common_read_pch): Use it.
1469         * cgraphunit.c (record_call_1): Give the front end a chance to
1470         record additional needed entities when a variable is marked as
1471         needed.
1472         * tlink.c (recompile_files): Robustify.
1473         (scan_linker_output): If a symbol is assigned to a file,
1474         but after recompilation is not present there, issue an error
1475         message.
1476
1477 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1478
1479         * tree-ssa-loop-im.c (force_move_till_expr, force_move_till):
1480         Take orig_loop argument and pass it to set_level.
1481         (schedule_sm): Pass the correct orig_loop to force_move_till.
1482
1483 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1484
1485         * cfgloop.c (update_latch_info): Update dominator of the new block.
1486         (canonicalize_loop_headers, flow_loops_find): Do not free dominance
1487         info.
1488         * dominance.c (verify_dominators): Check that the dominance tree is
1489         connected.
1490         (recount_dominator): Ignore unreachable blocks.
1491         (iterate_fix_dominators): Cleanup old dominance information before
1492         recomputing it.
1493
1494 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
1495
1496         * tree-ssa-operands.c (get_expr_operands): Revert changes
1497         to ADDR_EXPR processing introduced by:
1498             2004-06-21  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1499             * tree-ssa-operands.c (get_expr_operands): Minor rearrangements.
1500
1501 2004-07-29  Joseph S. Myers  <jsm@polyomino.org.uk>
1502
1503         * doc/implement-c.texi: Add C90 subclause references.  Point to
1504         preprocessor documentation instead of duplicating it.  Add points
1505         only present in C90.  Fill in documentation for all points.
1506
1507 2004-07-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1508
1509         * pa.c (output_movb): Correct typo.
1510
1511 2004-07-29  Pat Haugen  <pthaugen@us.ibm.com>
1512
1513         * ra.h (single_reg_in_regclass): Declare.
1514         * ra.c (single_reg_in_regclass): Define.
1515         (first_hard_reg): New.
1516         (init_ra): Initialize single_reg_in_regclass.
1517         * ra-colorize.c (ok_class): New.
1518         (coalesce, aggressive_coalesce, extended_coalesce_2): Use it.
1519
1520 2004-07-29  Nathan Sidwell  <nathan@codesourcery.com>
1521
1522         * gcov-io.h: Allow zero tag as EOF indicator.
1523         (gcov_is_eof): Remove.
1524         (gcov_truncate): Remove.
1525         * gcov-io.c (gcov_seek): Always SEEK_SET.
1526         * libgcov.c (gcov_exit): Don't use gcov_truncate.  Write explicit
1527         EOF tag.
1528         * coverage.c (read_counts_file): Don't use gcov_is_eof.
1529         * gcov-dump.c (dump_file): Likewise.
1530         * gcov.c (read_graph_file, read_count_file): Likewise.
1531
1532         * c-decl.c (complete_array_type): Don't gratuitously copy
1533         maxindex.  Check it always has a type.
1534
1535 2004-07-29  Steven Bosscher  <stevenb@suse.de>
1536
1537         * rtl.c (currently_expanding_to_rtl): New.
1538         * rtl.h (currently_expanding_to_rtl): Export it.
1539         * cfgexpand.c (tree_cfg_expand): Set/clear it at entry/exit.
1540
1541         * config/alpha/alpha.c (alpha_expand_mov): Remove old RTL
1542         inliner hack.
1543         * config/sh/sh.c: Replace rtx_equal_function_value_matters
1544         with currently_expanding_to_rtl.
1545         * config/sh/sh.md: Likewise.
1546         * config/ia64/ia64.c (got_symbolic_operand): Likewise.
1547
1548 2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
1549
1550         Introduce sh2a support.
1551         2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
1552         * config.gcc: Build multilibs for sh2a and sh2a-single by
1553         default.
1554         * config/sh/sh.h (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Define by
1555         default.  Split their tests out of the corresponding SH4
1556         multilibs.
1557         * config/sh/t-sh (MULTILIB_MATCHES): Don't ever use SH4 or SH4a
1558         multilibs for SH2a.
1559         2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
1560         * config.gcc: Handle sh2a multilibs and cpu selection.
1561         * config/sh/sh.h: Likewise.  Handle sh2a command line flags.
1562         * config/sh/t-mlib-sh2a: New.
1563         * config/sh/t-mlib-sh2a-nofpu: New.
1564         * config/sh/t-mlib-sh2a-single: New.
1565         * config/sh/t-mlib-sh2a-single-only: New.
1566         2004-07-09  Nick Clifton  <nickc@redhat.com>
1567         Issue 43400
1568         * config/sh/sh.h (DRIVER_SELF_SPECS): Issue an error message if
1569         -ml and -m2a are used together.
1570         2004-03-23  DJ Delorie  <dj@redhat.com>
1571         * config/sh/sh.c (sh_builtin_saveregs): Use the double code only
1572         when we have a double-sized FPU.
1573         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
1574         * config/sh/lib1funcs.asm (set_fpscr): Don't build if __SH2A_NOFPU__
1575         is set.
1576         * config/sh/elf.h (SUBTARGET_ASM_ISA_SPEC): Add cases for -msh2a-nofpu,
1577         -msh2a-single and -msh2a-single-only
1578         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
1579         * config/sh/crt1.asm: Don't generate FPU instructions if __SH2A_NOFPU__
1580         is set.
1581         2004-02-20  DJ Delorie  <dj@delorie.com>
1582         * config/sh/sh.md (movsf_i, movsf_ie, movsf, ble, bge): Disable for sh2a-nofpu.
1583         2004-02-20  Fred Fish <fnf@redhat.com>,
1584         Corinna Vinschen <vinschen@redhat.com>
1585         * config/sh/t-sh (MULTILIB_OPTIONS): Add 2a-nofpu.
1586         (MULTILIB_EXCEPTIONS): Don't build littel-endian on sh2a.
1587         2004-02-18  DJ Delorie  <dj@redhat.com>
1588         * config/sh/sh.c (broken_move): Add support for movi20.
1589         * config/sh/sh.h: Likewise.
1590         (SHIFT_COUNT_TRUNCATED): Set for sh2a.
1591         * config/sh/sh.md (udivsi3_sh2a): New.
1592         (udivsi3): Call it.
1593         (divsi3_sh2a): New.
1594         (divsi3): Call it.
1595         (mul_r): New.
1596         (ashlsi3_sh2a): New.
1597         (ashrsi3_sh2a): New.
1598         (lshrsi3_sh2a): New.
1599         (movsi_i): Disable for sh2a.
1600         (movsi_ie): Add movi20.
1601         (movsf_i, movsf_ie, movsf, ble, untyped_call): Explicitly enable
1602         sh2a, for -m2a-nofpu mode.
1603         2004-02-13  DJ Delorie  <dj@redhat.com>
1604         * config/sh/lib1funcs.asm: Handle double vs single better.
1605         * config/sh/sh.h: Likewise.
1606         2004-02-09  DJ Delorie  <dj@redhat.com>
1607         * config/sh/crt1.asm: Add support for sh2a.
1608         * config/sh/elf.h: Likewise.
1609         * config/sh/lib1funcs.asm: Likewise.
1610         * config/sh/sh.c: Likewise.
1611         * config/sh/sh.md: Likewise.
1612         * config/sh/sh.h: Likewise.
1613         * config/sh/t-sh: Likewise.
1614
1615 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
1616
1617         * config/frv/frv.md (movqi_internal, movhi_internal,
1618         movsi_internal): Add backup alternatives for memory inputs.
1619
1620 2004-07-28  Matt Austern  <austern@apple.com>
1621
1622         * config/darwin.c (darwin_one_byte_bool): New global variable.
1623         * config/darwin.h (darwin_one_byte_bool): Declare.
1624         (SUBTARGET_OPTIONS): Define macro.  (for -mone-byte-bool flag.)
1625         * config/rs6000/darwin.h (BOOL_TYPE_SIZE): Conditionalize on
1626         value of darwin_one_byte_bool.
1627         * doc/invoke.texi: Document -mone-byte-bool flag.
1628
1629 2004-07-28  Eric Christopher  <echristo@redhat.com>
1630
1631         * c-common.c (c_common_unsafe_for_reeval): Delete.
1632         * c-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete use.
1633         * c-pretty-print.c (pp_c_expression): Delete UNSAVE_EXPR case.
1634         * calls.c (fix_unsafe_tree): Delete.
1635         (expand_call): Delete code which used above.
1636         * dojump.c (do_jump): Delete UNSAVE_EXPR case.
1637         * expr.c (expand_expr_real_1): Ditto.
1638         * fold-const.c (non_lvalue): Ditto.
1639         * langhooks-def.h (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
1640         (lhd_unsafe_for_reeval): Ditto.
1641         * langhooks.c (lhd_unsafe_for_reeval): Ditto.
1642         * langhooks.h (unsafe_for_reeval): Ditto.
1643         (unsave_expr_now): Adjust comment.
1644         * tree-inline.c (copy_body_r): Delete UNSAVE_EXPR bits.
1645         (estimate_num_insns_1): Ditto.
1646         * tree-pretty-print.c (dump_generic_node): Ditto.
1647         * tree.c (expr_align): Ditto.
1648         (unsave_expr): Delete.
1649         (unsafe_for_reeval): Ditto.
1650         * tree.h (unsafe_for_reeval, unsave_expr): Ditto.
1651         * tree.def (UNSAVE_EXPR): Delete.
1652         * objc/objc-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
1653
1654 2004-07-28  Zack Weinberg  <zack@codesourcery.com>
1655
1656         * tree.h (enum tls_model): Move ...
1657         * coretypes.h: ... here.
1658
1659 2004-07-28  Richard Sandiford <rsandifo@redhat.com>
1660
1661         * config/frv/frv.h (EPILOGUE_USES): New.  Use LR.
1662
1663 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
1664
1665         * cse.c (validate_canon_reg): New function, split out from...
1666         (canon_reg): ...here.  Use validate_canon_reg for both 'e' and 'E'.
1667
1668 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
1669
1670         * tree-ssa-alias.c (maybe_create_global_var): Don't just
1671         return if .GLOBAL_VAR has been created.
1672
1673 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
1674
1675         * tree-ssa.c (verify_flow_insensitive_alias_info): Process
1676         every variable that may have aliases, not just tags.
1677
1678 2004-07-28  Aldy Hernandez  <aldyh@redhat.com>
1679
1680         * config/rs6000/rs6000.md ("move_from_CR_gt_bit"): Rename to
1681         move_from_CR_eq_bit.
1682         Rename UNSPEC_MV_CR_GT to UNSPEC_MV_CR_EQ.
1683
1684
1685         * config/rs6000/spe.md ("e500_flip_gt_bit"): Rename to
1686         e500_flip_eq_bit.
1687
1688         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_gt_bit to
1689         output_e500_flip_eq_bit.
1690
1691         * config/rs6000/rs6000.c (output_e500_flip_gt_bit): Rename to
1692         output_e500_flip_eq_bit.
1693         (rs6000_emit_sCOND): Rename call to output_e500_flip_gt_bit to
1694         output_e500_flip_eq_bit.
1695         Rename gen_move_from_CR_gt_bit to gen_move_from_CR_eq_bit.
1696         (print_operand): case D.  Get to EQ bit.
1697
1698 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
1699
1700         * gcov.c (function_summary): Add missing \n.
1701
1702 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
1703
1704         Introduce sh4a support.
1705         * config.gcc: Handle sh4a multilibs and cpu selection.
1706         * config/sh/sh.h: Likewise.  Handle sh4a command line flags.
1707         * config/sh/t-mlib-sh4a: New.
1708         * config/sh/t-mlib-sh4al: New.
1709         * config/sh/t-mlib-sh4a-nofpu: New.
1710         * config/sh/t-mlib-sh4a-single: New.
1711         * config/sh/t-mlib-sh4a-single-only: New.
1712         2004-02-20  DJ Delorie  <dj@redhat.com>
1713         * config/sh/sh.md ("movua"): Change constraint from "m" to "Sua".
1714         * config/sh/sh.h (EXTRA_CONSTRAINT_S): Add "Sua" support.
1715         2003-08-22  Eric Christopher  <echristo@redhat.com>
1716         * config/sh/sh4a.md: Update for chip errata.
1717         2003-08-07  Eric Christopher  <echristo@redhat.com>
1718         * config/sh/sh4a.md: New file. sh4a processor description.
1719         2003-07-08  Alexandre Oliva  <aoliva@redhat.com>
1720         * config/sh/sh.h (TARGET_SWITCHES): Added 4al.  Adjust description
1721         of -m4a-nofpu.
1722         (SH_ASM_SPEC): Pass -dsp for -m4al, not -m4a-nofpu.
1723         * config/sh/t-sh (MULTILIB_MATCHES): Map -m4al to -m4a-nofpu.
1724         * doc/invoke.texi (SH Options): Document -m4al.
1725         2003-07-03  Alexandre Oliva  <aoliva@redhat.com>
1726         * config/sh/sh.c (expand_block_move): Remove commented-out code
1727         checked in by mistake.
1728         (sh_cannot_change_mode_class): Enable SUBREGs to be used to select
1729         single elements from SFmode vectors.
1730         * config/sh/sh.md (fsca): Use VEC_CONCAT to initialize the output
1731         register.
1732         (sinsf2, cossf2, sindf2, cosdf2): Don't emit CLOBBER.
1733         2003-07-01  Alexandre Oliva  <aoliva@redhat.com>
1734         * config/sh/sh.h (sh_fsca_sf2int, sh_fsca_df2int,
1735         sh_fsca_int2sf): Remove variable declarations.
1736         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
1737         sh_fsca_int2sf): New functions.
1738         (sh_fsca_sf2int_rtx, sh_fsca_df2int_rtx,
1739         sh_fsca_int2sf_rtx): New static variables.
1740         * config/sh/sh-protos.h (sh_fsca_sf2int, sh_fsca_df2int,
1741         sh_fsca_int2sf): Declare.
1742         * config/sh/sh.md: Adjust.
1743         * doc/invoke.texi (SH Options): Document new options.
1744         * config/sh/lib1funcs.asm (ic_invalidate): Remove SH4a forward
1745         compatibility from SH4 code.
1746         2003-06-27  Alexandre Oliva  <aoliva@redhat.com>
1747         * config/sh/sh.c (expand_block_move): Don't emit POST_INC too
1748         early.
1749         (memory_movsrc_operand): Renamed to...
1750         (unaligned_load_operand): ... this.  Simplified.
1751         * config/sh/sh.h (PREDICATE_CODES): Adjust.
1752         * config/sh/sh.md (movua, extv, extzv): Likewise.  Change movua's
1753         input operand to SImode, and adjust the others.  Introduce
1754         post-increment by peephole.
1755         * config/sh/sh.c (expand_block_move): Give the target address the
1756         same mode as the temp reg.
1757         * config/sh/sh.c (expand_block_move): Use a temp reg for unaligned
1758         copying.
1759         2003-06-26  Alexandre Oliva  <aoliva@redhat.com>
1760         Introduce support for SH4a.
1761         * config/sh/lib1funcs.asm (ic_invalidate): Use icbi if
1762         __SH4A__.  Emit 4 4kb blocks and touch all of them otherwise.
1763         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
1764         sh_fsca_int2sf): New.
1765         (sh_init_builtins): Initialize them.
1766         (print_operand): Support `d'.
1767         (expand_block_move): Use movua if src is misaligned.
1768         (memory_movsrc_operand): New.
1769         * config/sh/sh.h (TARGET_CPU_CPP_BUILTINS): Define __SH4A__
1770         and one of the SH4 macros.
1771         (SH4A_BIT, TARGET_SH4A_ARCH, TARGET_SH4A_FP,
1772         SELECT_SH4A_NOFPU, SELECT_SH4A_SINGLE_ONLY, SELECT_SH4A,
1773         SELECT_SH4A_SINGLE): New.
1774         (TARGET_NONE): Add SH4A_BIT.
1775         (TARGET_SWITCHES): Add 4a-single-only, 4a-single, 4a-nofpu and 4a.
1776         (SH_ASM_SPEC): Pass -dsp if -m4a-nofpu.
1777         (sh_fsca_sf2int, sh_fsca_df2int, sh_fsca_int2sf): Declare.
1778         (OVERRIDE_OPTIONS): Set cpu to CPU_SH4A when appropriate.
1779         (enum processor_type): Added PROCESSOR_SH4A.
1780         (PREDICATE_CODES): Add memory_movsrc_operand.
1781         * config/sh/sh.md: Removed unused variables.
1782         (attr cpu): Add sh4a.
1783         (attr type): Add movua, fsrra and fsca.
1784         (prefetch): New, for SH4.
1785         (ic_invalidate_line, ic_invalidate_line_sh4a): Use icbi.
1786         (toggle_sz): Set type to fp.
1787         (toggle_pr, rsqrtsf2, fsca, sinsf2, cossf2, sindf2, cosdf2): New.
1788         (movua, extv, extzv): New.
1789         * config/sh/t-sh: Add multilibs for 4a, 4a-nofpu, 4a-single
1790         and 4a-single-only.
1791
1792 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
1793
1794         * tree-optimize.c (init_tree_optimization_passes): Schedule
1795         pass_may_alias right after the program is renamed into SSA.
1796         * tree-pass.h (PROP_alias): Define.
1797         * tree-outof-ssa.c (pass_del_ssa): Require PROP_alias.
1798         * tree-sra.c (pass_sra): Likewise.
1799         * tree-ssa-ccp.c (pass_ccp): Likewise.
1800         * tree-ssa-copyrename.c (pass_rename_ssa_ccp): Likewise.
1801         * tree-ssa-dce.c (pass_dce): Likewise.
1802         * tree-ssa-dom.c (pass_dominator): Likewise.
1803         * tree-ssa-dse.c (pass_dse): Likewise.
1804         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
1805         * tree-ssa-loop-ch.c (pass_ch): Likewise.
1806         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
1807         * tree-ssa-pre.c (pass_pre): Likewise.
1808         * tree-tailcall.c (pass_tail_recursion): Likewise.
1809         * tree-ssa.c (pass_redundant_phi): Likewise.
1810         * tree-ssa-alias.c (aliases_computed_p): Remove.
1811         Update all users.
1812         (init_alias_info): Do not mark all type tags for renaming
1813         unconditionally.
1814         Clear may_aliases from every symbol.
1815         (setup_pointers_and_addressables): If a pointer has not been
1816         dereferenced and it had a type tag, clear it and mark the old
1817         tag for renaming.
1818
1819 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
1820
1821         PR tree-optimization/16705
1822         * tree-ssa-alias.c (create_global_var): Set DECL_EXTERNAL on
1823         .GLOBAL_VAR.
1824
1825 2004-07-27  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1826
1827         * expr.c (expand_expr_real_1, case PARM_DECL): Remove obsolete error
1828         check.
1829
1830         * gimplify.c (maybe_with_size_expr): If already have WITH_SIZE_EXPR,
1831         don't make another one.
1832
1833         PR optimization/15077
1834         * function.h (struct function): Add field saved_static_chain_decl.
1835         Fix comment for static_chain_decl.
1836         * tree-inline.c (save_body): Add new arg and handle static_chain_decl.
1837         * tree-inline.h (save_body): Add new arg.
1838         * tree-optimize.c (tree_rest_of_compilation): Handle saving
1839         static_chain_decl.
1840
1841 2004-07-27  Richard Henderson  <rth@redhat.com>
1842
1843         * gimplify.c (is_gimple_addr_expr_arg_or_indirect): Remove.
1844         (gimplify_modify_expr, gimplify_addr_expr, gimplify_expr): Use
1845         is_gimple_addressable.
1846         * tree-gimple.c (is_gimple_addressable): Rename from
1847         is_gimple_addr_expr_arg; accept INDIRECT_REF.
1848         (is_gimple_lvalue): Don't test INDIRECT_REF directly.
1849         * tree-gimple.h, tree-sra.c, tree-ssa-loop-im.c: Update for
1850         rename to is_gimple_addressable.
1851
1852 2004-07-28  Alan Modra  <amodra@bigpond.net.au>
1853
1854         * config/rs6000/rs6000.c (function_arg_padding): Pad SFmode upwards.
1855
1856 2004-07-27  Richard Henderson  <rth@redhat.com>
1857
1858         * function.c (assign_stack_local_1): Widen alignment to HOST_WIDE_INT
1859         before rounding.
1860
1861 2004-07-27  Zack Weinberg  <zack@codesourcery.com>
1862
1863         * libgcc2.c: Change all conditionals testing
1864         LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96 to == 80.
1865         * libgcc2.h: Likewise.
1866         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Set
1867         TYPE_PRECISION of float80_type to 80.
1868         * config/ia64/ia64.c (ia64_init_builtins): Set TYPE_PRECISION
1869         of fpreg_type and float80_type to 80.
1870         * config/i386/i386.h, config/ia64/ia64.h, config/m68k/m68k.h
1871         * config/m68k/netbsd-elf.h:
1872         Change LONG_DOUBLE_TYPE_SIZE and possibly LIBGCC2_LONG_DOUBLE_TYPE_SIZE
1873         to evaluate to 80 whenever they would formerly have evaluated to 96.
1874         * config/i386/sco5.h: Remove unnecessary redefinition of
1875         LONG_DOUBLE_TYPE_SIZE.
1876         * doc/rtl.texi: Clarify uses of XFmode and TFmode.
1877         * config/i386/i386-modes.def: Use FRACTIONAL_FLOAT_MODE for
1878         XFmode, with a bitsize of 80.  Update commentary.
1879         * config/ia64/ia64-modes.def: Likewise.
1880         * config/m68k/m68k-modes.def: Likewise.
1881
1882 2004-07-27  Steven Bosscher  <stevenb@suse.de>
1883
1884         * cfgexpand.c (tree_expand_cfg): Fix comment.
1885
1886         * calls.c (expand_call): Ignore rtx_equal_function_value_matters.
1887         * function.c (purge_single_hard_subreg_set, purge_hard_subreg_sets):
1888         Remove.
1889         (prepare_function_start): Don't set rtx_equal_function_value_matters.
1890         * integrate.c (copy_rtx_and_substitute): Don't test for it.
1891         * passes.c (rest_of_compilation): Don't call purge_hard_subreg_sets.
1892         Don't set rtx_equal_function_value_matters.  Don't register RTL hooks
1893         here again.  Update leading comment.
1894         * rtl.c (rtx_equal_function_value_matters): Remove.
1895         (rtx_equal_p): Don't test for it.
1896         * simplify-rtx.c (simplify_binary_operation, simplify_subreg):
1897         Likewise.
1898
1899         * rtl.h (enum insn_note): Remove NOTE_INSN_LOOP_END_TOP_COND.
1900         * rtl.c (note_insn_name): Likewise.
1901         * emit-rtl.c (remove_unnecessary_notes): Don't handle it.
1902         * final.c (final_scan_insn): Likewise.
1903
1904         * except.c (finish_eh_generation): Don't call cfg_cleanup from here.
1905         * passes.c (rest_of_handle_eh): Do it here.
1906
1907         * stmt.c (struct nesting): Remove struct nesting block member.
1908         (struct stmt_status): Remove x_block_start_count field.
1909         (current_block_start_count): Remove.
1910
1911 2004-07-27  Brian Booth  <bbooth@redhat.com>
1912
1913         * tree-optimize.c (register_one_dump_file): Update condition that uses
1914         static_pass_number.
1915         (dup_pass_1): Replace with...
1916         (next_pass_1): This.
1917         (NEXT_PASS): Call next_pass_1.
1918         (DUP_PASS): Remove.
1919         (init_tree_optimization_passes): Remove uses of DUP_PASS.
1920         (execute_one_pass): Update condition that uses
1921         static_pass_number.
1922         * tree-pass.h (tree_opt_pass): Declare static_pass_number as a signed
1923         integer.
1924
1925 2004-07-27  Nick Clifton  <nickc@redhat.com>
1926
1927         * config/m32r/m32r.c: Include integrate.h in order to get the
1928         prototype for get_hard_reg_initial_val().
1929
1930         * config/m32r/m32r.md (m32rpipeline): Remove unused value "m32r"
1931         and tidy up indentation.
1932         (final_presence_set): Use absence_set instead, so that if there is
1933         nothing in the "o" pipe the "s" pipe can be scheduled.
1934
1935 2004-07-27  Diego Novillo  <dnovillo@redhat.com>
1936
1937         * tree-ssa-alias.c (create_name_tags): Ignore pointers that
1938         don't have PT_VARS nor PT_MALLOC set.
1939         Clear name tag from pointers that have not been dereferenced.
1940         (set_pt_anything, set_pt_malloc): Forward declare.
1941         * tree-ssa-copy.c (may_propagate_copy): Compare alias sets,
1942         not type compatibility when determining if a pointer can be
1943         copy propagated.
1944
1945 2004-07-27  Richard Sandiford  <rsandifo@redhat.com>
1946
1947         * expr.h (canonicalize_condition, get_condition): Add an int argument.
1948         * gcse.c (fis_get_condition): Reimplement using get_condition, leaving
1949         it to check whether the condition is still valid at the jump insn.
1950         * ifcvt.c (noce_get_condition): Likewise.
1951         (noce_get_alt_condition): Update call to canonicalize_condition.
1952         * loop-iv.c (simplify_using_initial_values): Update call to
1953         get_condition.  Remove FIXME.
1954         (check_simple_exit): Update call to get_condition.
1955         * loop-unswitch.c (may_unswitch_on): Likewise.
1956         * loop.c (check_dbra_loop): Likewise.
1957         (canonicalize_condition, get_condition): Add an argument to say whether
1958         the condition must still be valid at INSN.
1959         (get_condition_for_loop): Update call to get_condition.  Require that
1960         the condition be valid at INSN.
1961         * predict.c (estimate_probability): Update call to get_condition.
1962         Remove unused earliest parameter.
1963         (expected_value_to_br_prob): Update call to canonicalize_condition.
1964
1965 2004-07-26  Eric Christopher  <echristo@redhat.com>
1966
1967         * tree-dfa.c (add_referenced_var): Register initializers of global
1968         variables.
1969
1970 2004-07-26  Paolo Bonzini  <bonzini@gnu.org>
1971
1972         * config/i386/i386.c (function_arg): Always treat 8-
1973         and 16-byte wide vectors the same, even if MMX/SSE
1974         are disabled.
1975         (contains_128bit_aligned_vector_p): Add comment.
1976
1977 2004-07-26  J"orn Rennecke <joern.rennecke@superh.com>
1978
1979         * ra.h (enum node_type): Rename to:
1980         (enum ra_node_type).
1981         * ra-colorize.c: Likewise.
1982
1983 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
1984
1985         * cfgcleanup.c (try_simplify_condjump): Call update_forwarder_flag
1986         after simplifying the jump.
1987
1988 2004-06-26  Richard Henderson  <rth@redhat.com>
1989
1990         * calls.c (combine_pending_stack_adjustment_and_call): Make
1991         preferred_unit_stack_boundary argument unsigned.  Make
1992         unadjusted_alignment unsigned.
1993         (expand_call): Make preferred_stack_boundary and
1994         preferred_unit_stack_boundary variables unsigned.
1995         * function.c (assign_stack_local_1): Make alignment unsigned.
1996         * function.h (struct function): Make stack_alignment_needed,
1997         preferred_stack_boundary unsigned.
1998         * config/i386/i386.c (ix86_preferred_stack_boundary): Make unsigned.
1999         (ix86_compute_frame_layout): Make stack_alignment_needed,
2000         preferred_alignment variables unsigned.
2001         * config/i386/i386.h (ix86_preferred_stack_boundary): Make unsigned.
2002
2003 2004-07-26  Tom Tromey  <tromey@redhat.com>
2004
2005         * tree.h: Fix typo in comment.
2006
2007 2004-07-26  Daniel Jacobowitz  <dan@debian.org>
2008
2009         PR bootstrap/12804
2010         * ggc-zone.c (struct alloc_chunk): Remove attribute packed.
2011         (MAX_FREE_BIN_SIZE): Increase on 64-bit targets.
2012         (ggc_free): Remove incorrect freeing.
2013         (sweep_pages): Advance PP for large pages.  Fix indentation.
2014
2015 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
2016
2017         PR rtl-optimization/16643
2018         * cfglayout.h (cfg_layout_initialize): Add a flags parameter.
2019         * cfglayout.c (cfg_layout_initialize): Pass it to cleanup_cfg.
2020         * basic-block.h (reorder_basic_blocks): Add a flags parameter.
2021         * cfglayout.c (reorder_basic_blocks): Pass it to cfg_layout_initialize.
2022         (partition_hot_cold_basic_blocks): Pass 0 to cfg_layout_initialize.
2023         * function.c (thread_prologue_and_epilogue_insns): Likewise.
2024         * rtl.h (tracer): Add a flags parameter.
2025         * tracer.c (tracer): Pass it to cfg_layout_initialise.
2026         * passes.c (rest_of_handle_stack_regs): Pass 0 to reorder_basic_blocks.
2027         (rest_of_handle_reorder_blocks): Update calls to tracer and
2028         reorder_basic_blocks, passing CLEANUP_UPDATE_LIFE if appropriate.
2029         (rest_of_handle_tracer): Pass 0 to tracer.
2030         (rest_of_handle_loop2): Pass 0 to cfg_layout_initialize.
2031
2032 2004-07-25  David Edelsohn  <edelsohn@gnu.org>
2033
2034         PR target/16239
2035         * config/rs6000/rs6000.md (movdi_internal64): Further disparage
2036         f->f.
2037
2038 2004-07-24  Nathan Sidwell  <nathan@codesourcery.com>
2039
2040         * tree.h (BINFO_BASE_ACCESSES): Accesses are a VEC(tree).
2041         (BINFO_BASE_ACCESS): Adjust.
2042         (BINFO_BASE_ACCESS_APPEND): New.
2043         (struct tree_binfo): Make base_accesses a VEC(tree) pointer.
2044         * dbxout.c (dbxout_type): Adjust binfo access accessing.
2045         * dwarf2out.c (gen_member_die): Likewise.
2046         * tree-dump.c (deque_and_dump): Likewise.
2047
2048 2004-07-26  Falk Hueffner  <falk@debian.org>
2049
2050         * config/alpha/alpha.c (alpha_rtx_cost_data): Tweak int_div
2051         costs.
2052
2053 2004-07-25  Roger Sayle  <roger@eyesopen.com>
2054
2055         * config/i386/i386.c (output_fp_compare): Use ffreep to pop top
2056         value off of the stack if TARGET_USE_FFREEP.
2057
2058 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
2059
2060         * gengtype.c (oprintf): Replace xrealloc () with XRESIZEVEC ().
2061         * gengtype-yacc.y: Likewise.  Replace free() with XDELETE ().
2062         * c-typeck.c (PUSH_SPELLING): Remove redundant NULL-pointer
2063         check on invocation of XRESIZEVEC ().
2064
2065 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
2066
2067         * c-common.c (disable_builtin_function): Rename variable n to
2068         new_disabled_builtin.
2069         * c-decl.c (duplicate_decls): Rename parameter decl to new_decl.
2070         Rename local variable old to old_decl.
2071         * gensupport.c (shift_output_template): Rename parameter old to src.
2072         * simplify-rtx.c (simplify_replace_rtx): Rename parameter oldx to
2073         old_rtx and newx to new_rtx.
2074
2075 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
2076
2077         * Makefile.in (C_PRAGMA_H): New variable to track dependencies
2078         of c-pragma.h.
2079         * c-pragma.h (c_lex, c_lex_with_flags): Change returntype to
2080         enum cpp_ttype.
2081         * c-lex.c: Likewise.
2082
2083 2004-07-25  Roger Sayle  <roger@eyesopen.com>
2084
2085         * fold-const.c (constant_boolean_node): Make extern.
2086         (make_range): Wrap long lines.
2087         (fold_cond_expr_with_comparison): Remove unnecessary call to
2088         pedantic_non_lvalue.  Add missing calls to fold_convert.
2089         (fold_truthop): Add missing calls to fold_convert.
2090         (fold): Likewise.
2091         * tree.h (constant_boolean_node): Add prototype here.
2092         * builtins.c (expand_builtin_strncmp): Add missing calls to
2093         fold_convert.
2094         * tree-ssa-dom.c (record_equivalences_from_incoming_edge):
2095         Call fold_convert and constant_boolean_node to correct types.
2096         * tree-ssa-forwprop.c (substitute_single_use_vars): Add
2097         missing call to fold_convert to correct types.
2098
2099 2004-07-26  Niall Douglas  <s_fsfeurope2@nedprod.com>
2100             Brian Ryner  <bryner@brianryner.com>
2101
2102         PR c++/9283
2103         PR c++/15000
2104         * c-common.c (c_common_attribute_table): Allow
2105         handle_visibility_attribute to be called for types.
2106         (handle_visibility_attribute) When given a type, set the visibility
2107         bits on the TYPE_NAME.  When given a decl, don't set no_add_attrs
2108         so that we can check later whether the attribute was present. Added
2109         warning if attribute applied to non class type.
2110         * c-decl.c (diagnose_mismatched_decls): Updated rules for merging
2111         decls and checking that they are consistent.
2112         * common.opt: Added -fvisibility.
2113         * c.opt, c-opts.c: Added -fvisibility-inlines-hidden.
2114         * c-pragma.h, c-pragma.c: Added handle_pragma_visibility().
2115         * flags.h, tree.h: Added assorted support defines for overall patch
2116         * opts.c: Added parsing support for -fvisibility.
2117         * tree.c (build_decl): Set visibility for all decls to be whatever
2118         is in force at that time.
2119         * varasm.c (default_binds_local_p_1): Reworked logic determining
2120         when to make a symbol locally bound.
2121         * doc/invoke.texi: Added documentation for -fvisibility and
2122         -fvisibility-inlines-hidden.
2123
2124 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
2125
2126         * basic-block.h (reorder_block_def): Rename to reorder_block_def_p.
2127         * c-common.c: Add missing casts from void * to other types.
2128         * c-decl.c: Likewise.
2129         * c-format.c: Likewise.
2130         * c-lex.c: Likewise.
2131         * c-pragma.c: Likewise.
2132         * c-typeck.c: Likewise.
2133         * defaults.h: Likewise.
2134         * genconstants.c: Likewise.
2135         * gengtype-lex.l: Likewise.
2136         * genmodes.c: Likewise.
2137         * read-rtl.c: Likewise.
2138         * rtl.c: Likewise.
2139
2140 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
2141
2142         * bitmap.c: Use type-safe memory allocation macros from libiberty.
2143         * c-common.c: Likewise.
2144         * c-decl.c: Likewise.
2145         * c-lang.c: Likewise.
2146         * c-lex.c: Likewise.
2147         * c-opts.c: Likewise.
2148         * c-parse.in: Likewise.
2149         * c-typeck.c: Likewise.
2150         * genconditions.c: Likewise.
2151         * gengtype-lex.l: Likewise.
2152         * gengtype-yacc.y: Likewise.
2153         * gengtype.c: Likewise.
2154         * genmodes.c: Likewise.
2155         * gensupport.c: Likewise.
2156         * read-rtl.c: Likewise.
2157         * read-rtl.c (read_constants): Use INSERT instead of TRUE in call to
2158         htab_find_slot().
2159
2160 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
2161
2162         * c-decl.c (groktypename, groktypename_in_param_context): Rename
2163         variable typename to type_name.
2164         * c-lex.c (interpret_float): Likewise.
2165
2166 2004-07-25  Roger Sayle  <roger@eyesopen.com>
2167
2168         * convert.c (convert_to_real, convert_to_integer,
2169         convert_to_complex): Replace calls to build with calls to buildN.
2170         * coverage.c (tree_coverage_counter_ref): Likewise.
2171         * dojump.c (do_jump): Likewise.
2172         * dwarf2out.c (loc_descriptor_from_tree): Likewise.
2173         * emit-rtl.c (component_ref_for_mem_expr,
2174         set_mem_attributes_minus_bitpos): Likewise.
2175         * explow.c (update_nonlocal_goto_save_area): Likewise.
2176         * expmed.c (expand_shift, make_tree, const_mult_add_overflow_p,
2177         expand_mult_add): Likewise.
2178         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall,
2179         store_constructor, get_inner_reference, expand_expr_real_1,
2180         try_casesi, try_tablejump): Likewise.
2181         * function.c (expand_function_start): Likewise.
2182         * stmt.c (emit_case_bit_tests, expand_end_case_type,
2183         node_has_low_bound, node_has_high_bound, emit_case_nodes): Likewise.
2184         * stor-layout.c (place_union_field, layout_type): Likewise.
2185         * tree.c (substitute_in_expr, tree_fold_gcd): Likewise.
2186         * varasm.c (copy_constant): Likewise.
2187
2188 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
2189
2190         * c-common.c: Rename all identifiers named `new'.
2191         * c-decl.c: Likewise.
2192         * gensupport.c: Likewise.
2193         * simplify-rtx.c: Likewise.
2194         * c-common.c (disable_builtin_function): Replace a call to xmalloc()
2195         with XNEW().
2196         * gensupport.c (alter_output_for_insn): Replace two calls to xmalloc()
2197         with XNEWVEC().
2198
2199 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
2200
2201         PR c/15360
2202         * c-decl.c (start_decl): Do not set DECL_EXTERNAL for initialized
2203         declarations until after calling pushdecl.
2204         (grokdeclarator): Set DECL_EXTERNAL for variables based on use of
2205         "extern" and not on whether the declaration is initialized.
2206
2207 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
2208
2209         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
2210         (sparc-*-solaris2*): Include sol2.o and sol2-protos.h.
2211         * config/sol2-c.c: Include "tm.h", "tm_p.h", "toplev.h",
2212         "cpplib.h", "c-pragma.h", "c-common.h".
2213         (solaris_pragma_align, solaris_pragma_init, solaris_pragma_fini)
2214         (solaris_register_pragmas): New functions.
2215         * config/sol2-protos.h: New file.
2216         * config/sol2.c: New file.
2217         * config/sol2.h (SOLARIS_ATTRIBUTE_TABLE, ASM_DECLARE_FUNCTION_SIZE)
2218         (REGISTER_TARGET_PRAGMAS): New macros.
2219         (solaris_pending_aligns, solaris_pending_inits)
2220         (solaris_pending_finis): New variables.
2221         * config/t-sol2 (sol2-c.o): Update dependencies.
2222         (sol2.o): New rule.
2223         * config/i386/i386.c (TARGET_INSERT_ATTRIBUTES): Define in terms of
2224         SUBTARGET_INSERT_ATTRIBUTES.
2225         (ix86_attribute_table): Include SUBTARGET_ATTRIBUTE_TABLE.
2226         * config/i386/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
2227         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
2228         * config/sparc/elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
2229         * config/sparc/sp64-elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
2230         * config/sparc/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
2231         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
2232         * config/sparc/sparc.c (sparc_attribute_table): New.
2233         (TARGET_INSERT_ATTRIBUTES): Define in terms of
2234         SUBTARGET_INSERT_ATTRIBUTES.
2235         (TARGET_ATTRIBUTE_TABLE): Define if SUBTARGET_ATTRIBUTE_TABLE
2236         is defined.
2237         * doc/extend.texi (Solaris Pragmas): New section.
2238
2239 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
2240
2241         * c-common.c: Rename all identifiers named `class' to `cl'.
2242         * c-common.h: Likewise.
2243         * c-parse.in: Likewise.
2244         * c-typeck.c: Likewise.
2245         * genmodes.c: Likewise.
2246         * real.c: Likewise.
2247         * real.h: Likewise.
2248         * recog.c: Likewise.
2249         * recog.h: Likewise.
2250         * regrename.c: Likewise.
2251         * tree.h: Likewise.
2252         * c-common.c (builtin_function_2): Change type of 5th parameter from
2253         int to enum built_in_function. Change type of 8th parameter from int
2254         to bool.
2255         * c-decl (builtin_function): Replace call to ggc_alloc_cleared ()
2256         with GGC_CNEW().
2257         * c-typeck.c (convert_arguments): Change type of formal_prec from
2258         int to unsigned int.
2259         * genmodes.c (blank_mode): Make a few negative constants unsigned.
2260         (complete_all_modes, calc_wider_mode, emit_insn_modes_h,
2261         emit_mode_name, emit_mode_class, emit_mode_precision, emit_mode_size,
2262         emit_mode_nunits, emit_mode_wider, emit_mode_mask, emit_mode_inner,
2263         emit_mode_base_align, emit_class_narrowest_mode): Pass an integer
2264         iterator to for_all_modes () instead of an enum because enums can't
2265         be incremented in C++.
2266
2267
2268 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
2269
2270         * regmove.c (optimize_reg_copy_1): Don't try to replace call-used
2271         hard registers.
2272
2273 2004-07-25  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2274
2275         * tree-ssa-operands.c (get_stmt_operands, get_expr_operands):
2276         Handle ARRAY_RANGE_REF like ARRAY_REF.
2277
2278 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
2279
2280         * c-typeck.c (digest_init): Don't allow arrays of signed or
2281         unsigned variants of wchar_t to be initialized by wide string
2282         constants.  Do allow arrays of enumerated types compatible with
2283         wchar_t to be initialized by wide string constants.  Refine tests
2284         distinguishing wide and narrow strings and arrays.  Give specific
2285         error for arrays of other integer types initialized by string
2286         constants.
2287         (output_init_element, process_init_element): Check for
2288         INTEGRAL_TYPE_P rather than just for INTEGER_TYPE when
2289         initializing with string constants.
2290
2291 2004-07-25  Richard Henderson  <rth@redhat.com>
2292
2293         * c-decl.c (start_function): Set DECL_ARTIFICIAL and DECL_IGNORED_P
2294         on the RESULT_DECL.
2295         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
2296         * integrate.c (copy_decl_for_inlining): Copy DECL_ARTIFICIAL and
2297         DECL_IGNORED_P to new decl.
2298
2299 2004-07-24  Zack Weinberg  <zack@codesourcery.com>
2300
2301         * config/ia64/ia64.c (general_xfmode_operand)
2302         (destination_xfmode_operand): Delete.
2303         * config/ia64/ia64.h (PREDICATE_CODES): Remove them.
2304         * config/ia64/ia64.md (*movxf_internal): Use general_operand
2305         and destination_operand.
2306
2307 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
2308
2309         * config/ia64/ia64.h (SUBTARGET_EXTRA_SPECS): Default to nothing.
2310         (EXTRA_SPECS): Use SUBTARGET_EXTRA_SPECS.
2311
2312 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
2313             Zack Weinberg  <zack@codesourcery.com
2314
2315         PR 16684
2316         * c-decl.c (diagnose_mismatched_decls): Don't issue a
2317         redundant-declaration warning the first time a builtin is
2318         declared explicitly.
2319
2320 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
2321
2322         * tree.h (staticp): Change return type to bool.
2323
2324 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
2325
2326         * c-common.c (c_staticp): Last episode of the staticp saga.
2327
2328 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
2329
2330         * c-common.h (c_staticp): Change return type from int to bool.
2331         * tree.c (staticp): Likewise.
2332         * langhooks.h (staticp): Likewise.
2333
2334 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
2335
2336         * langhooks-def.h (lhd_staticp): Change return type from int to
2337         bool in prototype to match definition.
2338
2339 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
2340
2341         * system.h (bool, true, false): Don't redefine as preprocessor macros
2342         in C++.
2343
2344 2004-07-24  Roger Sayle  <roger@eyesopen.com>
2345
2346         * expmed.c (init_expmed): A signed modulus by a power of two is
2347         considered cheap if its less than or equal to four instructions.
2348
2349 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
2350
2351         * ggc.h (GGC_NEW, GGC_CNEW, GGC_NEWVEC, GGC_CNEWVEC, GGC_NEWVAR,
2352         GGC_CNEWVAR): New macros.
2353
2354 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
2355
2356         * c-common.c: Convert ATTRIBUTE_UNUSED to ARG_UNUSED in parameter
2357         lists.
2358         * c-decl.c: Likewise.
2359         * c-format.c: Likewise.
2360         * c-lex.c: Likewise.
2361         * c-opts.c: Likewise.
2362         * c-pragma.c: Likewise.
2363         * c-typeck.c: Likewise.
2364         * gencheck.c: Likewise.
2365         * genconditions.c: Likewise.
2366         * genconfig.c: Likewise.
2367         * genflags.c: Likewise.
2368         * gengtype.c: Likewise.
2369         * gensupport.c: Likewise.
2370         * ggc-none.c: Likewise.
2371         * langhooks.c: Likewise.
2372         * statistics.h: Likewise.
2373         * stub-objc.c: Likewise.
2374         * java/decl.c: Likewise.
2375
2376 2004-07-24  Roman Zippel  <zippel@linux-m68k.org>
2377
2378         * config/m68k/m68k.c (output_scc_di): Fix coding style.
2379         (symbolic_operand): Fix prototype.
2380         * config/m68k/m68k.h (PREDICATE_CODES): Add symbolic_operand.
2381         * config/m68k/m68k.md: Add constants for registers a0 and sp and
2382         use them, change from the "{...}" syntax to the simpler {...}
2383         syntax.
2384         (*cfv4_extendqisi2): Fix destination predicate.
2385         * config/m68k/m68k-protos.h: Remove various declarations also
2386         generated via PREDICATE_CODES.
2387
2388 2004-07-23  Mike Stump  <mrs@apple.com>
2389
2390         * c-typeck.c (convert_for_assignment): Tightened up pointer
2391         converstions that differ in signedness.
2392
2393 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
2394
2395         * genmodes.c (make_vector_modes): Mark with ATTRIBUTE_UNUSED.
2396
2397 2004-07-23  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2398
2399         * tree.def (VIEW_CONVERT_EXPR): Change to class 'r'.
2400         * tree-ssa-operands.c (get_expr_operands, case VIEW_CONVERT_EXPR): New.
2401
2402         * gimplify.c (gimplify_compound_lval): Check for no handled
2403         operations, rather than checking for explicit list of nodes.
2404         (is_gimple_addr_expr_arg_or_indirect): New function.
2405         (gimplify_addr_expr): Call it and handle INDIRECT_REF; remove
2406         redundant setting of TREE_INVARIANT.
2407         (gimplify_expr, case VIEW_CONVERT_EXPR): Call gimplify_compound_lval.
2408         * tree-gimple.c (is_gimple_addr_expr_arg): Call handled_component_p.
2409
2410 2004-07-23  Diego Novillo  <dnovillo@redhat.com>
2411
2412         PR tree-optimization/16688
2413         PR tree-optimization/16689
2414         * tree-ssa-alias.c (setup_pointers_and_addressables): Remove
2415         unnecessary initialization of 'tag'.
2416         (get_tmt_for): Check that the new type tag has the same alias
2417         set as the pointed-to type.
2418         (group_aliases): Only regular variables need to be removed
2419         from the alias set of a name tag.
2420         * tree-ssa-copy.c (may_propagate_copy): Do not allow copy
2421         propagation if the two types are not compatible.
2422         (merge_alias_info): Rename from replace_ssa_names_ann.
2423         Add more checking.
2424         (replace_exp_1): If both arguments are SSA_NAMEs, check that
2425         the propagation can be done.
2426         Only call merge_alias_info on pointers.
2427         (propagate_value): Likewise.
2428         * tree-ssa-copyrename.c: Include langhooks.h.
2429         (copy_rename_partition_coalesce): Call replace_ssa_name_symbol
2430         to do the merging.
2431         Do not coalesce variables with incompatible types.
2432         (rename_ssa_copies): Call replace_ssa_name_symbol.
2433         * tree-ssa.c (verify_ssa_name): Verify that the SSA_NAME has
2434         the same type as the underlying _DECL.
2435         * tree-ssanames.c (replace_ssa_name_symbol): New function.
2436         * tree.h (replace_ssa_name_symbol): Declare.
2437
2438 2004-07-23  Richard Henderson  <rth@redhat.com>
2439
2440         PR c++/16277
2441         * gimplify.c (gimplify_cond_expr): Gimplify TARGET to a min_lval;
2442         unshare it properly.
2443         (gimplify_modify_expr_rhs): Push assignment from a conditional into
2444         the conditional for all non-register types.
2445
2446 2004-07-23  Richard Henderson  <rth@redhat.com>
2447
2448         * expr.c (expand_expr_real_1): Don't handle non-local variables.
2449         * expr.h (fix_lexical_addr): Remove.
2450         * function.c (NEED_SEPARATE_AP): Remove.
2451         (fix_lexical_addr): Remove.
2452         * tree-alias-common.c (get_alias_var_decl): Check TREE_STATIC,
2453         not null decl_function_context.
2454         (create_alias_vars): Likewise.
2455         * tree-cfg.c (make_ctrl_stmt_edges): Don't check for non-local labels.
2456         (simple_goto_p): Likewise.
2457         * tree-dfa.c (add_referenced_var): Don't check for non-local variables.
2458         * tree-ssa-ccp.c (get_default_value): Likewise.
2459         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
2460         * tree.c (needs_to_live_in_memory): Likewise.
2461         * tree-flow-inline.h (may_be_aliased): Move...
2462         * tree-ssa-alias.c (may_be_aliased): ... here.  Enhance check for
2463         when TREE_STATIC variables may be addressable.
2464
2465 2004-07-24  Jakub Jelinek  <jakub@redhat.com>
2466
2467         * Makefile.in (site.exp): Add HOSTCC and HOSTCFLAGS to site.exp.
2468
2469 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
2470
2471         * print-rtl.c (print_rtx <case 'b'>): Don't attempt to print
2472         bitmap contents if GENERATOR_FILE is defined.
2473         * Makefile.in (BUILD_RTL): Remove $(BUILD_PREFIX)bitmap.o.
2474         ($(BUILD_PREFIX_1)bitmap.o): Delete rule.
2475
2476 2004-07-23  Joseph S. Myers  <jsm@polyomino.org.uk>
2477
2478         * c-decl.c (start_function): Form composite type of function types
2479         rather than copying type from previous prototype declaration.
2480
2481 2004-07-23  Janis Johnson  <janis187@us.ibm.com>
2482
2483         * config/rs6000/altivec.h (vec_lvewx, vec_lvehx, vec_lvwbx): Remove
2484         the const qualifier for the second argument in the C++ functions.
2485
2486         * config/rs6000/altivec.h (vec_stvewx, vec_stvehx, vec_stvebx): Use
2487         specific pointer types.
2488
2489         * config/rs6000/altivec.h (vec_vadduwm): (vec_vadduwm, vec_vadduhm,
2490         vec_vaddubm, vec_vsubuwm, vec_vsubuhm, vec_vsububm): Fix types used
2491         for vector bool and/or vector pixel, add C++ and C missing support.
2492         (vec_vaddsws, vec_vaddshs, vec_vaddsbs, vec_vmaxsw, vec_vmaxsh,
2493         vec_vmaxsb, vec_vmrghw, vec_vmrghh, vec_vmrghb, vec_vmrglw, vec_vmrglh,
2494         vec_vmrglb, vec_vminsw, vec_vminsh, vec_vminsb, vec_vpkuwum,
2495         vec_vpkuhum, vec_vspltw, vec_vsplth, vec_vspltb, vec_vsubsws,
2496         vec_vsubshs, vec_vsubsbs, vec_vupklsh, vec_vupkhsh, vec_vupklsb): Add
2497         missing C++ and C support for vector bool and/or vector pixel.
2498         (vec_vadduws, vec_vadduhs, vec_vaddubs, vec_vcmpeqfp, vec_vcmpequw,
2499         vec_vcmpequh, vec_vcmpequb, vec_vcmpgtfp, vec_vcmpgtsw, vec_vcmpgtuw,
2500         vec_vcmpgtsh, vec_vcmpgtuh, vec_vcmpgtsb, vec_vcmpgtub, vec_vmaxuw,
2501         vec_vmaxuh, vec_vmaxub, vec_vminuw, vec_vminuh, vec_vminub,
2502         vec_vsubuws, vec_vsubuhs, vec_vsububs, vec_vupkhpx, vec_vupklpx): Fix
2503         C++ and C types used for vector bool and/or vector pixel.
2504         (vec_st, vec_stl): Add C++ support for vector pixel.
2505         (vec_unpackh, vec_unpackl, vec_any_ge): Fix C++ support for vector bool.
2506         (vec_all_ne): Add C++ support for vector pixel.
2507
2508         * config/rs6000/altivec.h (vec_vcmpgtsh): Fix C++ function name.
2509         (vec_vmulesb): Add missing C++ function.
2510         (vec_perm): Fix type of third argument in C++ function.
2511         (vec_vsum4shs): Fix C++ function name.
2512         (vec_any_ge): Remove C++ functions for unsupported arg combinations.
2513         (vec_vcmpgtsw, vec_vcmpgtuw, vec_minsb, vec_vmsummbm): Fix the
2514         argument passed to the error handler in C macro.
2515         (vec_nmsub): Remove extra parens around argument names in C macro.
2516         (vec_packpx): Add missing parens in C macro.
2517
2518 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
2519
2520         * machmode.def: Remove vector modes.
2521         * config/alpha/alpha-modes.def: Add supported vector modes.
2522         * config/arm/arm-modes.def: Likewise.
2523         * config/frv/frv-modes.def: Likewise.
2524         * config/i386/i386-modes.def: Likewise.
2525         * config/rs6000/rs6000-modes.def: Likewise.
2526         * config/sh/sh-modes.def: Likewise.
2527
2528 2004-07-23  Matthias Klose  <doko@debian.org>
2529
2530         * intl.c (gcc_init_libintl): Use PACKAGE for the text domain.
2531         * configure.ac: Add AC_DEFINE_UNQUOTED for PACKAGE.
2532         * config.h: Regenerate.
2533         * configure: Likewise.
2534
2535 2004-07-22  Mark Mitchell  <mark@codesourcery.com>
2536
2537         * dwarf2out.c (output_call_frame_info): Set SYMBOL_FLAG_LOCAL on
2538         generated SYMBOL_REFs for labels.
2539         * config/darwin-protos.h (machopic_validate_stub_or_non_lazy_ptr):
2540         Change prototype.
2541         (machopic_stub_name): Remove.
2542         (machopic_indirection_name): New function.
2543         (machopic_mcount_stub_name): Likewise.
2544         (machopic_classify_name): Remove.
2545         (machopic_function_base_sym): New function.
2546         (machpoic_classify_symbol): Likewise.
2547         (machopic_classify_ident): Remove.
2548         (machopic_define_ident): Likewise.
2549         (machopic_define_name): Likewise.
2550         (machopic_name_defined_p): Likewise.
2551         (machopic_ident_defined_p): Likewise.
2552         (darwin_strip_name_encoding): Likewise.
2553         (machopic_define_symbol): New function.
2554         * config/darwin.c (hashtab.h): Include.
2555         (machopic_defined_list): Remove.
2556         (machopic_classify_ident): Likewise.
2557         (machopic_classify_name): Likewise.
2558         (machopic_ident_defined_p): Likewise.
2559         (machopic_define_ident): Likewise.
2560         (machopic_define_name): Likewise.
2561         (machopic_symbol_defined_p): New function.
2562         (machopic_classify_symbol): Likewise.
2563         (machopic_data_defined_p): Use machopic_classify_symbol.
2564         (machopic_define_symbol): New function.
2565         (machopic_function_base_sym): New function.
2566         (machopic_non_lazy_pointers): Remove.
2567         (machopic_non_lazy_ptr_name): Likewise.
2568         (machopic_stubs): Likewise.
2569         (machopic_stub_name): Likewise.
2570         (NON_LAZY_POINTER_SUFFIX): New macro.
2571         (STUB_SUFFIX): Likewise.
2572         (machopic_indirection): New structure.
2573         (machopic_indirections): New variable.
2574         (machopic_indirection_hash): New function.
2575         (machopic_indirection_eq): Likewise.
2576         (machopic_indirection_name): Likewise.
2577         (machopic_mcount_stub_name): New function.
2578         (machopic_validate_stub_or_non_lazy_pointer): Reimplement to use
2579         hash table.
2580         (machopic_indirect_data_reference): Rework to use new functions.
2581         (machopic_indirect_call_target): Likewise.
2582         (machopic_legitimize_pic_address): Likewise.
2583         (machopic_output_indirection): New function.
2584         (machopic_finish): Use it.
2585         (machopic_operand_p): Rework to use new functions.
2586         (darwin_encode_seciton_info): Use SYMBOL_REF_FLAGS.
2587         (darwin_strip_name_encoding): Remove.
2588         (update_non_lazy_ptrs): Remove.
2589         (update_stubs): Likewise.
2590         (darwin_non_lazy_pcrel): Use new functions.
2591         * config/darwin.h (ASM_DECLARE_OBJECT_NAME): Likewise.
2592         (ASM_OUTPUT_LABELREF): Likewise.
2593         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
2594         (MACHO_SYMBOL_FLAG_VARIABLE): New macro.
2595         (MACHO_SYMBOL_FLAG_DEFINED): Likewise.
2596         (TARGET_STRIP_NAME_ENCODING): Do not use
2597         darwin_strip_name_encoding.
2598         (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Do not use
2599         darwin_strip_name_encoding.
2600         * config/i386/darwin.h (FUNCTION_PROFILER): Use
2601         machopic_mcount_stub_name.
2602         * config/i386/i386.c (x86_output_mi_thunk): Use
2603         machopic_indirection_name, not machopic_stub_name.
2604         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Use
2605         machopic_function_base_sym.
2606         (print_operand): Use machopic_classify_symbol.
2607         (rs6000_emit_prologue): Use machopic_function_base_sym.
2608         (output_profile_hook): Do not use machopic_stub_name.
2609         (macho_branch_isalnds): Do not use darwin_strip_name_encoding.
2610
2611 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
2612
2613         PR c/7284
2614         * fold-const.c (extract_muldiv_1): Do not treat signed left shift
2615         as multiplication.
2616
2617 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
2618
2619         * doc/implement-c.texi: New file.
2620         * doc/extend.texi (C Implementation): Move to there.
2621         * doc/gcc.texi: Include implement-c.texi.
2622         * Makefile.in (TEXI_GCC_FILES): Add implement-c.texi.
2623
2624 2004-07-22  Jason Merrill  <jason@redhat.com>
2625
2626         * integrate.c (copy_decl_for_inlining): Remove invisible reference
2627         handling.
2628         * tree-inline.c (setup_one_parameter): Likewise.
2629
2630 2004-07-22  Brian Booth  <bbooth@redhat.com>
2631
2632         * tree-ssa-ccp.c (latticevalue): Add UNKNOWN_VAL.
2633         (substitute_and_fold): Propigate into VUSE operands when possible.
2634         (visit_phi_node): Handle UNKNOWN_VAL latticevalue.
2635         (cp_lattice_meet): Handle merging of latticevalues when
2636         UNKNOWN_VAL is present.
2637         (visit_stmt): Visit assignments with V_MUST_DEFs.
2638         (visit_assignment): Gather ccp information for V_MUST_DEF operands.
2639         (ccp_fold): Deal with RHS' that are constant and virtual.
2640         (evaluate_stmt): Handle UNKNOWN_VAL likely values.
2641         (dump_lattice_value): Dump UNKNOWN_VAL latticevalues.
2642         (initialize): Mark statements with V_MUST_DEFs as VARYING only if the
2643         V_MUST_DEF operand is VARYING. Fix comment and include VOPS when
2644         computing immediate uses.
2645         (set_lattice_value): Disallow a UNKNOWN_VAL->UNDEFINED state
2646         transition.
2647         (replace_vuse_in): New function.
2648         (likely_value): Add check of vuse operands.
2649         (get_default_value): Set the default value of virtually defined
2650         variables to UKNOWN_VAL instead of VARYING.
2651
2652 2004-07-22  Richard Henderson  <rth@redhat.com>
2653
2654         * expr.c (emit_push_insn): Don't use set_mem_attributes.
2655
2656 2004-07-22  Richard Henderson  <rth@redhat.com>
2657
2658         * tree-ssa-live.c (create_ssa_var_map): Avoid defined-but-not-used
2659         variables due to conditional compilation.
2660
2661 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
2662
2663         * tree-into-ssa.c (set_livein_block): Fix typo in comment.
2664         (rewrite_ssa_into_ssa): Start iterating over SSA names at 1.
2665         Release SSA names that have been re-renamed.
2666         * tree-phinodes.c (make_phi_node): Set same TREE_TYPE as the
2667         variable.
2668         * tree-ssa-alias.c (init_alias_info): If aliases have been
2669         computed before, clear existing alias information.
2670         (create_name_tags): Do no fixup PT_ANYTHING pointers.
2671         If the new name tag for a pointer is different than the one it
2672         had before, mark the old tag for renaming.
2673         (replace_may_alias): New function.
2674         (group_aliases): Call it.
2675         (setup_pointers_and_addressables): Always call get_tmt_for.
2676         (maybe_create_global_var): Don't create .GLOBAL_VAR more than
2677         once.
2678         (set_pt_anything): New local function.
2679         (set_pt_malloc): New local function.
2680         (merge_pointed_to_info): Don't merge pointed-to variables from
2681         the original pointer if the destination is pointing to an
2682         unknown location.
2683         (add_pointed_to_expr): Call set_pt_anything and set_pt_malloc.
2684         (add_pointed_to_var): Do not add a variable to the points-to
2685         set if the pointer is already pointing to anywhere.
2686         (collect_points_to_info_r): If the defining statement is a PHI
2687         node, only merge pointed-to information if the argument has
2688         already been visited.
2689         (get_tmt_for): Only create a new tag if the pointer didn't
2690         have one already.
2691         (dump_alias_info): Emit more information.
2692         (dump_points_to_info_for): Likewise.
2693         * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't
2694         try to get the annotation of an SSA_NAME.
2695         * tree-ssa-operands.c (add_stmt_operand): Only check for empty
2696         alias sets when checking is enabled.
2697         * tree-ssa-pre.c (need_eh_cleanup): New local variable.
2698         (eliminate): Mark basic blocks that will need
2699         EH information cleaned up.
2700         (init_pre): Split ENTRY_BLOCK->0 if block 0 has more than one
2701         predecessor.
2702         Initialize need_eh_cleanup.
2703         (fini_pre): Call tree_purge_all_dead_eh_edges and
2704         cleanup_tree_cfg if needed.
2705         Free need_eh_cleanup.
2706         * tree-ssa.c (verify_ssa_name): New function.
2707         (verify_def): Call it.
2708         Re-arrange to avoid printing too many error messages.
2709         (verify_use): Likewise.
2710         (verify_phi_args): Likewise.
2711         (verify_flow_insensitive_alias_info): New function.
2712         (verify_flow_sensitive_alias_info): New function.
2713         (verify_alias_info): New function.
2714         (verify_ssa): Call verify_alias_info.
2715         Clear TREE_VISITED on all the SSA_NAMEs before scanning the
2716         program.
2717         Re-arrange to avoid printing too many error messages.
2718         * tree-ssanames.c (make_ssa_name): Clear
2719         SSA_NAME_IN_FREE_LIST.
2720         (release_ssa_name): Never release a default definition.
2721         (release_defs): New function.
2722         * tree.h: Declare it.
2723         * tree-ssa-dce.c (remove_dead_stmt): Call it.
2724
2725 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
2726
2727         * tree-ssa.c (walk_use_def_chains_1): Add new argument IS_DFS.
2728         If true, do a depth-first search.  Do a breadht-first search,
2729         otherwise.
2730         (walk_use_def_chains): Add new argument IS_DFS.
2731         Update all users.
2732         * tree-flow.h (walk_use_def_chains): Update prototype.
2733
2734 2004-07-22  Hans-Peter Nilsson  <hp@axis.com>
2735
2736         * config/cris/cris.md: Tweak formatting.
2737         (asrandb, asrandw, lsrandb, lsrandw, moversideqi, movemsideqi)
2738         (mover2side, moverside, movemside, movei, op3, andu): Replace
2739         live define_peephole:s with define_peephole2 near-equivalents.
2740         Delete the rest.
2741         ("*mov_sidesisf_biap"): Rename from "*mov_sidesi_biap".  Match all
2742         word-size modes.
2743         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
2744         Similar for "*mov_sidesi", "*mov_sidesi_biap_mem" and
2745         "*mov_sidesi_mem" respectively.
2746
2747 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
2748
2749         * tree-cfg.c (gimplify_val): Move from tree-complex.c.
2750         (gimplify_build1): Move from tree-complex.c do_unop.
2751         (gimplify_build2): Move from tree-complex.c do_binop.
2752         (gimplify_build3): New.
2753         * tree-complex.c (gimplify_val, do_unop, do_binop): Remove.
2754         Adjust throughout to call the functions above.
2755         * tree-flow.h: Declare the functions above.
2756         * tree-nested.c (gimplify_val): Rename to...
2757         (tsi_gimplify_val): ... this.
2758
2759         * Makefile.in (tree_complex.o): Update dependencies.
2760         (stor-layout.o): Depend on regs.h.
2761         * c-common.c (handle_vector_size_attribute): Update for
2762         vector types without corresponding vector modes.
2763         * expr.c (expand_expr): Treat VECTOR_CST's like CONSTRUCTORS if
2764         a corresponding vector mode is not available.
2765         * print-tree.c (print_node): Print nunits for vector types
2766         * regclass.c (have_regs_of_mode): New.
2767         (init_reg_sets_1): Initialize it and use it instead
2768         of allocatable_regs_of_mode.
2769         * regs.h (have_regs_of_mode): Declare it.
2770         * stor-layout.c (layout_type): Pick a mode for vector types.
2771         * tree-complex.c (build_word_mode_vector_type, tree_vec_extract,
2772         build_replicated_const, do_unop, do_binop, do_plus_minus,
2773         do_negate, expand_vector_piecewise, expand_vector_parallel,
2774         expand_vector_addition, expand_vector_operations_1,
2775         expand_vector_operations, tree_lower_operations,
2776         pass_lower_vector_ssa, pass_pre_expand): New.
2777         (expand_complex_operations, pass_lower_complex): Remove.
2778         * tree-optimize.c (init_tree_optimization_passes): Adjust
2779         pass ordering for changes in tree-complex.c.
2780         * tree-pass.h: Declare new passes.
2781         * tree.c (finish_vector_type): Remove.
2782         (make_vector_type): New.
2783         (build_vector_type_for_mode, build_vector_type): Rewritten.
2784         * tree.def (VECTOR_TYPE): Document where the number of
2785         subparts is stored.
2786         * tree.h (TYPE_VECTOR_SUBPARTS): Use TYPE_PRECISION field.
2787         (make_vector): Remove declaration.
2788
2789 2004-07-21  Richard Henderson  <rth@redhat.com>
2790
2791         * gimple-low.c (expand_var_p): Don't look at TREE_ADDRESSABLE,
2792         TREE_THIS_VOLATILE, may_aliases, or optimization level.
2793         (remove_useless_vars): Dump debugging info.
2794         (expand_used_vars): Move ...
2795         * cfgexpand.c (expand_used_vars): ... here.  Make static.
2796         * tree-flow-inline.h (set_is_used): New.
2797         (set_default_def): Use get_var_ann.
2798         * tree-flow.h: Update decls.
2799         * tree-ssa-live.c (mark_all_vars_used_1, mark_all_vars_used): New.
2800         (create_ssa_var_map): Use it.
2801         * tree-ssa.c (set_is_used): Remove.
2802
2803 2004-07-22  Ben Elliston  <bje@au.ibm.com>
2804
2805         * gdbinit.in: Set a breakpoint on internal_error.
2806
2807 2004-07-21  Richard Henderson  <rth@redhat.com>
2808
2809         * cfgexpand.c (expand_gimple_tailcall): Fix case where we need
2810         to create a new basic block.
2811
2812 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
2813
2814         PR c/15052
2815         * c-decl.c (grokdeclarator): Only pedwarn for qualified void
2816         return type on function definitions.  Move other warnings for
2817         qualified return type to -Wreturn-type.  Do not condition any such
2818         warnings on -pedantic.  Update comments.
2819         (start_function): Only copy function type from previous prototype
2820         declaration if return types are compatible.
2821         * c-typeck.c (function_types_compatible_p): Don't condition
2822         warning for incompatibility of volatile qualifiers on the return
2823         type on -pedantic.  Update comment.
2824         * doc/invoke.texi (-Wreturn-type, -Wextra): Update.
2825
2826 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
2827
2828         * c-typeck.c (set_init_index): Require designator to be of integer
2829         type.
2830
2831 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
2832
2833         PR c/11250
2834         * c-parse.in (init): Change to exprtype.
2835         (primary): Set original_code for STRING to STRING_CST.
2836         Call maybe_warn_string_init for compound literals.
2837         (initdcl, notype_initdcl): Call maybe_warn_string_init.
2838         (initval): Update.
2839         * c-tree.h (maybe_warn_string_init): New.
2840         (pop_init_level, process_init_element): Use struct c_expr.
2841         (struct c_expr): Update comment.
2842         * c-typeck.c (maybe_warn_string_init): New function.
2843         (digest_init): Call it.  Additional parameter strict_string.  All
2844         callers changed.
2845         (output_init_element): Likewise.
2846         (struct constructor_stack): Use struct c_expr for
2847         replacement_value.
2848         (really_start_incremental_init, push_init_level): Update.
2849         (pop_init_level): Update.  Return struct c_expr.
2850         (process_init_level): Update.  Take struct c_expr argument.
2851
2852 2004-07-21  David S. Miller  <davem@nuts.davemloft.net>
2853
2854         * config/sparc/sparc.c (sparc_rtx_costs): Fix typo in previous
2855         commit.
2856
2857 2004-07-21  Eric Christopher  <echristo@redhat.com>
2858
2859         * builtins.c (expand_builtin_setjmp_receiver): Fix comment for code
2860         removal.
2861         * c-decl.c (pop_scope): Ditto.
2862         * calls.c (expand_call): Remove call to current_nesting_level,
2863         update comment accordingly. Remove calls to expand_start_target_temps
2864         and expand_end_target_temps.
2865         * cfgexpand.c (construct_init_block): Remove call to
2866         expand_start_bindings_and_block.
2867         (construct_exit_block): Remove call to expand_end_bindings.
2868         * expr.c (safe_from_p): Remove BIND_EXPR handling.
2869         (expand_expr_real_1): Ditto. Fix formatting.
2870         (expand_vars): Delete.
2871         * stmt.c (POPSTACK): Remove block_stack.
2872         (stmt_status): Remove x_block_stack.
2873         (block_stack): Delete.
2874         (expand_start_bindings_and_block): Ditto.
2875         (expand_start_target_temps): Ditto.
2876         (expand_end_target_temps): Ditto.
2877         (current_nesting_level): Ditto.
2878         (warn_about_unused_variables): Ditto.
2879         (expand_end_bindings): Ditto.
2880         * tree.h: Remove declarations for above.
2881
2882 2004-07-21  Steven Bosscher  <stevenb@suse.de>
2883
2884         * rtl.h (insn_note): Remove NOTE_INSN_PREDICTION.
2885         * rtl.c (note_insn_name): Likewise.
2886         * print-rtl.c (print_rtx): Don't print it.
2887         * cfgrtl.h (can_delete_note_p): Don't handle it.
2888         (rtl_delete_block): Likewise.
2889         * passes.c (rest_of_handle_guess_branch_prob): Remove.
2890         (rest_of_compilation): Don't call it.
2891         * predict.c (process_note_predictions, process_note_prediction,
2892         note_prediction_to_br_prob): Remove.
2893         * basic-block.c (note_prediction_to_br_prob): Remove prototype.
2894         * stmt.c (return_prediction): Remove.
2895         (expand_value_return): Don't call it.  Don't add prediction
2896         notes for return statements.
2897
2898 2004-07-21  Josef Zlomek  <zlomekj@suse.cz>
2899
2900         * var-tracking.c (vt_find_locations): Set the in_pending bitmap at
2901         once.
2902
2903 2004-07-21  Paolo Bonzini  <bonzini@gnu.org>
2904
2905         * c-common.c (vector_types_convertible_p): Use vector types'
2906         TYPE_SIZE and TREE_TYPE instead of their mode.
2907         * convert.c (convert_to_integer): Likewise.
2908         (convert_to_vector): Likewise.
2909         * fold-const.c (fold_convert): Likewise.
2910         * varasm.c (output_constant): Likewise.
2911         * expr.c (store_constructor): Split ARRAY_TYPE and VECTOR_TYPE.
2912         Allow a VECTOR_TYPE initializer to be made of several vectors.
2913         For ARRAY_TYPEs and VECTOR_TYPES, simplify a bit the handling
2914         of cleared and need_to_clear, and use fold_convert.
2915         * c-typeck.c (build_binary_op): Do not use RDIV_EXPR for
2916         integer vectors.
2917
2918 2004-07-20  Richard Henderson  <rth@redhat.com>
2919
2920         * cfgexpand.c (expand_gimple_cond_expr, expand_gimple_tailcall): Split,
2921         (expand_gimple_basic_block): out from here.  Renamed from expand_block.
2922
2923 2004-07-20  David S. Miller  <davem@nuts.davemloft.net>
2924
2925         * config/sparc/sparc.c (sparc_rtx_costs case MULT): Emit
2926         enormous cost if not TARGET_HARD_MUL.
2927
2928 2004-07-20  Andrew Pinski  <apinski@apple.com>
2929
2930         PR target/16557
2931         * config/i386/darwin.h (CC1_SPEC): Move the -g SPECs from ...
2932         (ASM_SPEC): here.
2933
2934 2004-07-21  Paul brook  <paul@codesourcery.com>
2935
2936         * config/arm/arm.c (thumb_expand_prologue): Remove bogus GEN_INT.
2937
2938 2004-07-20  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2939
2940         * fold-const.c (operand_equal_p): Temporarily support NULL args.
2941         (operand_equal_p, case ARRAY_REF): Compare args 2 and 3.
2942         (operand_equal_p, case COMPONENT_REF): Likewise, for arg 2.
2943
2944 2004-07-20  Zack Weinberg  <zack@codesourcery.com>
2945
2946         * rtl.h (plus_constant): Delete.
2947         (plus_constant_wide): Rename to plus_constant.
2948         (plus_constant_for_output_wide): Delete vestigial prototype.
2949         (GEN_INT): Remove unnecessary cast.
2950         * tree.h (build_int_2, size_int_type): Delete.
2951         (build_int_2_wide): Rename to build_int_2.
2952         (size_int_wide): Rename to size_int_kind.
2953         (size_int_type_wide): Rename to size_int_type.
2954         (size_int, ssize_int, bitsize_int, sbitsize_int): Use size_int_kind.
2955         Remove unnecessary cast.
2956         * tree.c (build_int_2_wide): Rename build_int_2; update comment.
2957         * explow.c (plus_constant_wide): Rename plus_constant; update comment.
2958         * fold-const.c (size_int_wide): Rename size_int_kind. Use size_int_type.
2959         (size_int_type_wide): Rename size_int_type.
2960         (int_const_binop): Use size_int_type.
2961         * c-lex.c (interpret_integer): Use build_int_2.
2962         * final.c (split_double): Remove unnecessary casts.
2963         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use build_int_2.
2964
2965 2004-07-20  Richard Henderson  <rth@redhat.com>
2966
2967         * gimplify.c (is_gimple_tmp_var): Move to tree-gimple.c.
2968         (gimplify_compound_lval): Use is_gimple_tmp_reg.
2969         * tree-gimple.c (is_gimple_tmp_var): Move from gimplify.c.
2970         (is_gimple_tmp_reg): New.
2971         * tree-gimple.h (is_gimple_tmp_reg): Declare.
2972
2973 2004-07-20  Richard Henderson  <rth@redhat.com>
2974
2975         * tree-pretty-print.c (dump_generic_node): Dump
2976         CALL_EXPR_HAS_RETURN_SLOT_ADDR.
2977
2978 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
2979
2980         * tree-mudflap.c (mf_set_options_fndecl): New tree.
2981         (mudflap_init): Set it.
2982         (mudflap_register_call): Remove __mf_init call.
2983         (mudflap_finish_file): Emit call to __mf_init here.  Emit a call to
2984         to pass "-ignore-reads" option to libmudflap if needed.
2985
2986 2004-07-20  John David Anglin  <dava.anglin@nrc-cnrc.gc.ca>
2987
2988         PR c++/14607
2989         * config/pa/pa-hpux10.h (SUPPORTS_ONE_ONLY): Define.
2990         (MAKE_DECL_ONE_ONLY): Undefine.
2991         * pa-protos.h (som_text_section_asm_op, one_only_readonly_data_section,
2992         readonly_data, one_only_data_section, forget_section): New prototypes.
2993         * pa.c (pa_init_machine_status, som_text_section_asm_op): New
2994         functions.
2995         (pa_select_section): Add one-only (COMDAT) support.
2996         * pa.h (struct machine_function): Define.
2997         * som.h (ASM_OUTPUT_FUNCTION_PREFIX): Delete.
2998         (TEXT_SECTION_ASM_OP): Call som_text_section_asm_op.
2999         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
3000         ONE_ONLY_TEXT_SECTION_ASM_OP, ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
3001         ONE_ONLY_DATA_SECTION_ASM_OP): New defines.
3002         (EXTRA_SECTIONS): Add in_one_only_readonly_data and in_one_only_data.
3003         (EXTRA_SECTION_FUNCTIONS): Rework to use individual function macros.
3004         (READONLY_DATA_FUNCTION, ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
3005         ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): New defines
3006         for EXTRA_SECTION_FUNCTIONS.
3007         * doc/install.texi: Update binutils requirements.
3008
3009 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
3010
3011         * vec.h (VEC_T_length, VEC_T_index, VEC_T_iterate, VEC_T_truncate,
3012         VEC_T_replace, VEC_T_quick_insert, VEC_T_safe_insert,
3013         VEC_T_ordered_remove, VEC_T_unordered_remove): Use unsigned, not
3014         size_t.
3015         (struct VEC): Use unsigned for num and alloc.
3016         * vec.c (struct vec_prefix): Likewise.
3017         (vec_o_reserve): Adjust.
3018
3019         * dbxout.c (dbxout_type): Fix printf format.
3020
3021         * tree.h (binfo_member): Remove.
3022         * tree.c (binfo_member): Remove.
3023
3024 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
3025
3026         * tree.h: Include vec.h
3027         (DEF_VEC_P(tree)): New type.
3028         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): Adjust.
3029         (BINFO_BASE_APPEND, BINFO_BASE_ITERATE): New.
3030         (BINFO_LANG_SLOT): Remove.
3031         (BINFO_SUBVTT_INDEX, BINFO_VPTR_INDEX, BINFO_PRIMARY_BASE_OF): New.
3032         (struct tree_binfo): Turn base_binfos into a trailing
3033         VEC(tree). Add vtt_subvtt, vtt_vptr, primary fields.
3034         (binfo_lang_slots): Remove.
3035         * tree.c (binfo_lang_slots): Remove.
3036         (make_tree_binfo_stat): Take a base binfo count, not a
3037         lang slot count.  Adjust.
3038         * Makefile.in (TREE_H): Add vec.h
3039         * alias.c (record_component_aliases): Adjust BINFO access.
3040         * dbxout.c (dbxout_type): Likewise.
3041         * dwarf2out.c (gen_member_die): Likewise.
3042         * sdbout.c (sdbout_one_type): Likewise.
3043         * tree-dump.c (deque_and_dump): Likewise.
3044         * config/i386/i386.c (classify_argument,
3045         contains_128bit_aligned_vector_p): Likewise.
3046         * config/sh/symbian.c (symbian_export_vtable_and_rtti_p): Likewise.
3047         * doc/c-tree.texi (Classes): Update BINFO documentation.
3048
3049 2004-07-20  Steven Bosscher  <stevenb@suse.de>
3050
3051         * c-common.h (check_case_value): Remove prototype.
3052         (c_add_case_label): Adjust prototype.
3053         * c-common.c (check_case_value): Make static.
3054         (check_case_bounds): New function.
3055         (c_add_case_label): Use it.  Take new argument orig_type.
3056         * c-typeck.c (struct c_switch): New orig_type field.
3057         (c_start_case): Set it.
3058         (do_case): Pass it to c_add_case_label.
3059         * expr.c (expand_expr_real_1): Don't warn for out-of-bounds
3060         cases from here.  Add the labels in reverse order.
3061         * stmt.c (struct case_node): Adjust comment.  Remove balance field.
3062         (add_case_node): Return nothing, don't check for duplicate cases.
3063         Insert new case nodes in a list, not in an AVL tree.
3064         (expand_end_case_type): Don't turn a case tree into a case list.
3065         (case_tree2list): Remove.
3066         * tree.h (add_case_node): Adjust prototype.
3067
3068 2004-07-19  Paolo Bonzini  <bonzini@gnu.org>
3069
3070         * genattr.c (struct range, struct function_unit,
3071         write_units, extend_range, init_range): Remove them.
3072         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
3073         Output "#define INSN_SCHEDULING" here.
3074         * genattrtab.c (struct range, struct function_unit_op,
3075         struct function_unit, struct dimension, enum operator,
3076         operate_exp, expand_units, simplify_knowing,
3077         encode_units_mask, simplify_by_exploding,
3078         find_and_mark_used_attributes, unmark_used_attributes,
3079         add_values_to_cover, increment_current_value,
3080         test_for_current_value, simplify_with_current_value,
3081         simplify_with_current_value_aux, gen_unit,
3082         write_unit_name, write_function_unit_info,
3083         write_complex_function, write_toplevel_expr,
3084         find_single_value, extend_range): Remove.
3085         (write_attr_get): Do not handle common_av->value
3086         being an FFS.
3087         (struct attr_desc): Remove func_units_p and blockage_p.
3088         (write_attr_valueq): Do not handle them.
3089         (find_attr): Do not clear them.
3090         (make_internal_attr): Do not initialize them.
3091         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
3092         * sched-vis.c (init_target_units, insn_print_units,
3093         init_block_visualization, print_block_visualization,
3094         visualize_scheduled_insns, visualize_no_unit,
3095         visualize_stall_cycles, visualize_alloc,
3096         visualize_free, target_units, get_visual_tbl_length,
3097         MAX_VISUAL_LINES, INSN_LEN, n_visual_lines,
3098         visual_tbl_line_length, visual_tbl, n_vis_no_unit,
3099         MAX_VISUAL_NO_UNIT, vis_no_unit): Remove.
3100         * haifa-sched.c (blockage_range, clear_units,
3101         schedule_unit, actual_hazard, potential_hazard,
3102         insn_unit, unit_last_insn, unit_tick,
3103         actual_hazard_this_instance, potential_hazard,
3104         schedule_unit, max_insn_queue_index_value): Remove.
3105         (MAX_INSN_QUEUE_INDEX): Removed, renamed throughout to
3106         max_insn_queue_index.
3107         * rtl.def (DEFINE_FUNCTION_UNIT): Remove.
3108         * doc/md.texi (Processor pipeline description): Remove
3109         references to old pipeline descriptions.
3110         (Automaton pipeline description): Merge with the above.
3111         (Old pipeline description, Comparison of the two descriptions):
3112         Remove.
3113
3114         * bt-load.c (migrate_btr_def): Remove references to
3115         use_pipeline_interface.
3116         * haifa-sched.c (insn_cost, schedule_insn,
3117         schedule_block, advance_one_cycle, sched_init,
3118         queue_to_ready, sched_finish): Likewise.
3119         * modulo-sched.c (sms_schedule, advance_one_cycle,
3120         ps_has_conflicts): Likewise.
3121         * sched-rgn.c (init_ready): Likewise.
3122         (debug_dependencies): Likewise, and remove an "if (1)".
3123         * target.h (use_dfa_pipeline_interface): Remove.
3124         * config/alpha/alpha.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
3125         * config/arc/arc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
3126         * config/arm/arm.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
3127         * config/c4x/c4x.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
3128         * config/frv/frv.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
3129         * config/i386/i386.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
3130         * config/ia64/ia64.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
3131         * config/iq2000/iq2000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
3132         * config/m32r/m32r.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
3133         * config/mcore/mcore.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
3134         * config/mips/mips.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
3135         * config/pa/pa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
3136         * config/rs6000/rs6000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
3137         * config/s390/s390.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
3138         * config/sh/sh.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
3139         * config/sparc/sparc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
3140         * config/v850/v850.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
3141         * config/xtensa/xtensa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
3142         * doc/tm.texi (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
3143
3144 2004-07-19  Roger Sayle  <roger@eyesopen.com>
3145
3146         * rtlanal.c (reg_set_p): Add check for regs_invalidated_by_call.
3147
3148 2004-07-19  Jeff Law  <law@redhat.com>
3149
3150         * tree-ssa-dom.c (single_incoming_edge_ignoring_loop_edges): New.
3151         (get_eq_expr_value): Use it.  Simplify slightly.
3152
3153 2004-07-19  Maciej W. Rozycki  <macro@linux-mips.org>
3154
3155         * config/mips/mips.md (mulsidi3_32bit_r4000): Fix the clobber list.
3156         (umulsidi3_32bit_r4000): Likewise.
3157
3158 2004-07-19  Nathan Sidwell  <nathan@codesourcery.com>
3159
3160         * vec.h: Propagate location information properly.
3161         (VEC_T_iterate): Add result pointer parameter.
3162         (VEC_T_space): New.
3163         (VEC_T_reserve): Use it.
3164
3165 2004-07-19  Daniel Jacobowitz  <dan@debian.org>
3166
3167         * Makefile.in (c-format.o): Depend on c-format.h.
3168         * c-format.h: New file.
3169         (struct format_char_info): Add CHAIN member.
3170         * c-format.c: Move some types and constants to c-format.h.
3171         (format_type_error): Set to -1.
3172         (struct function_format_info): Use an int for format_type.
3173         (decode_format_type): Return an int.  Return format_type_error
3174         on error.
3175         (print_char_table, asm_fprintf_char_table, gcc_diag_char_table)
3176         (gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table)
3177         (scan_char_table, time_char_table, monetary_char_table): Initialize
3178         CHAIN to NULL.
3179         (n_format_types): New variable.
3180         (check_format_info_main): Handle CHAIN in format_char_info.
3181         (handle_format_attribute): Handle TARGET_FORMAT_TYPES and
3182         TARGET_N_FORMAT_TYPES.
3183         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
3184         (sparc-*-solaris2*): Include config/t-sol2 and config/sol2-c.c.
3185         * config/sol2-c.c: New file.
3186         * config/t-sol2: New file.
3187         * config/sol2.h (TARGET_N_FORMAT_TYPES, TARGET_FORMAT_TYPES): Define.
3188         * config/sparc/elf.h, config/sparc/sp64-elf.h: Undefine
3189         TARGET_N_FORMAT_TYPES and TARGET_FORMAT_TYPES.
3190
3191         * doc/extend.texi (Target Format Checks): New section.
3192         (Function Attributes): Mention it.
3193         * doc/invoke.texi: Mention target format checks.
3194         * doc/sourcebuild.texi: Mention target format checks.
3195         * dc/tm.texi (Misc): Document TARGET_N_FORMAT_TYPES and
3196         TARGET_FORMAT_TYPES.
3197
3198 2004-07-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3199
3200         * config/s390/s390-protos.h (s390_return_address_offset): Prototype
3201         added.
3202         * config/s390/s390.c (regclass_map initializer): Register 35 added to
3203         ADDR_REGS.
3204         (load_multiple_operation, store_multiple_operation): Removed
3205         pointless sanity check.
3206         (s390_decompose_address): Added check for return_address_pointer_rtx.
3207         (s390_return_addr_rtx): Use return_address_pointer_rtx for count == 0.
3208         (s390_return_address_offset): New function.
3209         * config/s390/s390.h (FIRST_PSEUDO_REGISTER): Increased to 36.
3210         (FRAME_REGNO_P): Added check for register 35.
3211         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
3212         REG_ALLOC_ORDER): Appended entry for register 35.
3213         (REG_CLASS_CONTENTS): Adjusted class masks for register 35.
3214         (EH_RETURN_HANDLER_RTX): Use return_address_pointer_rtx.
3215         (RETURN_ADDRESS_POINTER_REGNUM): New macro.
3216         (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Return address pointer
3217         is eliminable using stack pointer or hard frame pointer.
3218         (REGISTER_NAMES): Added name for register 35.
3219         * config/s390/s390.md ("load_multiple", "store_multiple"): Removed
3220         pointless sanity check.
3221
3222 2004-07-19  Roger Sayle  <roger@eyesopen.com>
3223
3224         * fold-const.c (tree_expr_nonzero_p): Add function prototype.
3225         (fold) <EQ_EXPR>: Move tree_expr_nonzero_p optimization from
3226         fold_relational_const to here, i.e. "(x | 5) == 0" -> false.
3227         (fold) (UNEQ_EXPR>: Add optimizations for unordered comparisons
3228         of the form "x op x" where op is UNLE, UNGE, UNEQ or LTGT.
3229         (fold_relational_const): Tidy up handling of floating point
3230         comparisons by calling real_compare.  Remove tree_expr_nonzero_p
3231         transformation; fold_relational_const assumes constant operands.
3232
3233 2004-07-19  Gabriel Dos Reis  <gdr@integrable-solution.net>
3234
3235         * doc/sourcebuild.texi: Add libcpp, now that CPP has its own
3236         directory.
3237
3238 2004-07-19  Joseph S. Myers  <jsm@polyomino.org.uk>
3239
3240         * c-tree.h (struct c_expr): Define.
3241         (C_SET_EXP_ORIGINAL_CODE): Remove.
3242         (parser_build_binary_op, build_compound_expr): Update prototypes.
3243         * c-parse.in (%union): Add exprtype.
3244         (FUNC_NAME): Mark as ttype.
3245         (expr, expr_no_commas, cast_expr, unary_expr, primary): Change to
3246         exprtype.
3247         (expr): Update.  Define directly in terms of expr_no_commas
3248         instead of using nonnull_exprlist.
3249         (nonnull_exprlist, unary_expr, cast_expr, expr_no_commas, primary,
3250         offsetof_member_designator, typespec_nonreserved_nonattr, init,
3251         initval, designator, component_declarator,
3252         component_notype_declarator, enumerator, array_declarator,
3253         condition, exexpr, switch_statement, stmt_nocomp, stmt,
3254         nonnull_asm_operands, ivar_declarator, receiver): Update.  Don't
3255         set C_EXP_ORIGINAL_CODE.  Use TREE_NO_WARNING for assignments
3256         where appropriate.
3257         * c-common.h (C_EXP_ORIGINAL_CODE): Remove.
3258         * c-common.c (c_common_truthvalue_conversion): Don't check
3259         C_EXP_ORIGINAL_CODE.
3260         * c-typeck.c (parser_build_binary_op): Use c_expr structures.
3261         Don't use C_EXP_ORIGINAL_CODE.
3262         (default_conversion, default_function_array_conversion): Don't use
3263         C_EXP_ORIGINAL_CODE.  Preserve TREE_NO_WARNING.
3264         (internal_build_compound_expr): Merge into build_compound_expr.
3265         (build_compound_expr): Take two operands instead of a TREE_LIST.
3266         * objc/objc-act.c (get_super_receiver): Update calls to
3267         build_compound_expr.
3268
3269 2004-07-18  Paolo Bonzini  <bonzini@gnu.org>
3270
3271         * config/sh/sh.c (sh_use_dfa_interface): Remove.
3272         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Set to
3273         hook_int_void_1.
3274         * config/sh/sh.md: Extract pipeline descriptions
3275         into separate files.
3276         * config/sh/sh1.md: New file, extracted from sh.md.
3277         * config/sh/sh4.md: New file, extracted from sh.md.
3278         * config/sh/shmedia.md: New file, extracted from sh.md
3279         and rewritten using new-style pipeline description.
3280
3281 2004-07-18  Zack Weinberg  <zack@codesourcery.com>
3282
3283         * config/pa/pa.md: Delete the two remaining define_peephole
3284         patterns.
3285
3286 2004-07-18  Steven Bosscher  <stevenb@suse.de>
3287             Joseph S. Myers  <jsm@polyomino.org.uk>
3288
3289         * c-common.c (c_common_truthvalue_conversion): Don't warn if
3290         TREE_NO_WARNING is set.
3291
3292 2004-07-18  Roger Sayle  <roger@eyesopen.com>
3293
3294         * builtins.c (simplify_builtin_memcmp, simplify_builtin_strcmp,
3295         simplify_builtin_strncmp): Delete.
3296         (fold_builtin_memcmp, fold_builtin_strcmp, fold_builtin_strncmp):
3297         Change argument to accept an arglist instead of an "exp".  Assume
3298         that the return type is always integer_type_node.  Copy missing
3299         transformations from their now obsolete simplify_builtin_*
3300         equivalents.
3301         (fold_builtin_1): Pass arglist instead of exp to fold_builtin_memcmp,
3302         fold_builtin_strcmp and fold_builtin_strncmp.
3303         (simplify_builtin): Call fold_builtin_memcmp, fold_builtin_strcmp
3304         and fold_builtin_strncmp instead of simplify_builtin_memcmp,
3305         simplify_builtin_strcmp and simplify_builtin_strncmp respectively.
3306
3307 2004-07-18  Daniel Jacobowitz  <dan@debian.org>
3308
3309         * Makefile.in (tree-alias-common.o): Update dependencies.
3310
3311 2004-07-17  Sebastian Pop  <pop@cri.ensmp.fr>
3312
3313         * cfgloop.c (flow_loop_nested_p): Fix comment.
3314
3315 2004-07-17  Jason Merrill  <jason@redhat.com>
3316
3317         PR c++/16115
3318         * stor-layout.c (relayout_decl): New fn.
3319         * tree.h: Declare it.
3320         (DECL_BY_REFERENCE): New macro.
3321
3322 2004-07-17  Eric Botcazou  <ebotcazou@act-europe.fr>
3323
3324         * libgcc2.c (__enable_execute_stack): New symbol.
3325         * libgcc-std.ver (GCC_3.4.2): New version.  Inherit from GCC_3.4
3326         and declare __enable_execute_stack.
3327         * mklibgcc.in (lib2funcs): Add _enable_execute_stack.
3328         * config/netbsd.h (NETBSD_ENABLE_EXECUTE_STACK): ANSIfy.
3329         * config/sol2.h (TRANSFER_FROM_TRAMPOLINE): Rename into
3330         ENABLE_EXECUTE_STACK.
3331         * config/alpha/alpha.c (alpha_initialize_trampoline): Conditionalize
3332         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
3333         * config/alpha/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Rename into
3334         ENABLE_EXECUTE_STACK.
3335         * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
3336         * config/i386/i386.c (x86_initialize_trampoline): Conditionalize
3337         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
3338         * config/i386/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Rename into
3339         ENABLE_EXECUTE_STACK.
3340         * config/i386/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
3341         * config/i386/netbsd64.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
3342         * config/sparc/freebsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
3343         * config/sparc/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
3344         * config/sparc/sparc.c (sparc_initialize_trampoline): Conditionalize
3345         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
3346         (sparc64_initialize_trampoline): Likewise.
3347         * doc/tm.texi (trampolines): Add ENABLE_EXECUTE_STACK macro.
3348
3349 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
3350
3351         * langhooks.h (builtin_function): New langhook.
3352         * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION): New.
3353         (LANG_HOOKS_INITIALIZER): Update.
3354         * tree.h (builtin_function): Remove.
3355         * doc/tm.texi: Update.
3356         * c-tree.h (builtin_function): Declare.
3357         * c-common.c, config/alpha/alpha.c, config/arm/arm.c,
3358         config/c4x/c4x.c, config/frv/frv.c, config/i386/i386.c,
3359         config/ia64/ia64.c, config/iq2000/iq2000.c,
3360         config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
3361         config/stormy16/stormy16.c: All callers of builtin_function
3362         changed.
3363
3364 2004-07-17  Andrew Pinski  <pinskia@physics.uc.edu>
3365
3366         PR target/16556
3367         * config/i386/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
3368         Remove white space after the backslash.
3369
3370 2004-07-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
3371
3372         PR rtl-optimization/16294
3373         * resource.c (return_insn_p): New predicate.
3374         (mark_target_live_regs): Use it.  Special-case return insns.
3375         (init_resource_info): Use it.  Don't scan the epilogue past
3376         a return.
3377
3378 2004-07-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3379
3380         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Do not
3381         destroy dominance information.
3382         * passes.c (rest_of_handle_loop2):  Free dominance information.
3383         * tree-cfg.c (cleanup_tree_cfg): Remove unreachable blocks before
3384         jump threading.
3385         (thread_jumps): Update dominance information and remove unreachable
3386         blocks.
3387         * tree-ssa-phiopt.c (replace_phi_with_stmt):  Update dominance
3388         information and remove the unreachable block.
3389
3390 2004-07-17  Graham Stott  <graham.stott@btinternet.com>
3391
3392         * emit-rtl.c (reorder_insns): Don't set BB for a BARRIER insn.
3393
3394 2004-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>
3395
3396         * doc/sourcebuild.texi: Remove libf2c entry.
3397
3398 2004-07-17  Paolo Bonzini  <bonzini@gnu.org>
3399
3400         * config/i386/i386.md (movv16qi_internal): Fix typo.
3401
3402 2004-07-17  Steven Bosscher  <stevenb@suse.de>
3403
3404         * final.c (final_scan_insn): Fix broken commit from previous
3405         patch.
3406
3407 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
3408
3409         * c-typeck.c (parser_build_binary_op): Condition warnings for
3410         X<=Y<=Z on -Wparentheses instead of -Wextra.
3411         * doc/invoke.texi: Update.  Document that most of -Wparentheses is
3412         supported for C only.
3413
3414 2004-07-17  Steven Bosscher  <stevenb@suse.de>
3415
3416         * cfgcleanup.c (try_simplify_condjump): Don't remove line
3417         notes to avoid unreachable code warnings.
3418         * toplev.c (backend_init): Don't emit line notes for
3419         unreachable code warnings.
3420
3421         * combine.c (distribute_notes): Don't distribute a
3422         REG_VTABLE_REF note.
3423         * final.c (final_scan_insn): Don't handle it.
3424         * rtl.c (reg_note_name): Remove it.
3425         * rtl.h (enum reg_node): Dito.
3426
3427         * emit-rtl.c (force_line_numbers, restore_line_number_status):
3428         Remove.
3429         * rtl.h (force_line_numbers, restore_line_number_status):
3430         Remove prototypes.
3431
3432         * stmt.c (using_eh_for_cleanups_p, using_eh_for_cleanups): Move...
3433         * tree-eh.c (using_eh_for_cleanups_p): ...here.  Make static.
3434         (using_eh_for_cleanups): Also moved here.
3435
3436         * expr.c (expand_expr_real_1) <CASE_LABEL_EXPR>: Die if we see one.
3437         <SWITCH_EXPR>: Die if we have a non-NULL SWITCH_BODY.  Update calls
3438         to expand_start_case and add_case_node.
3439         * stmt.c (struct nesting): Cleanup unused fields condition_code,
3440         last_unconditional_cleanup, nominal_type, printname, and
3441         line_number_status.
3442         (struct fixup_goto): Remove.
3443         (struct stmt_status): Remove x_goto_fixup_chain field.
3444         (goto_fixup_chain): Remove.
3445         (strip_default_case_nodes, group_case_nodes, emit_jump_if_reachable,
3446         pushcase, pushcase_range): Remove.
3447         (expand_start_bindings_and_block): Don't set unused fields in
3448         the nesting stack.
3449         (expand_start_case, add_case_node): Cleanup unused formal arguments.
3450         (expand_end_case_type): Don't simplify the case-list.  Use emit_jump
3451         instead of emit_jump_if_reachable.
3452         (emit_case_nodes): Likewise.
3453         * tree-cfg.c (group_case_labels, cleanup_dead_labels): No longer
3454         static.
3455         (update_eh_label): Work around left-over exception handing regions.
3456         * tree-flow.h (group_case_labels, cleanup_dead_labels): Add protos.
3457         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): New function.
3458         (pass_cleanup_cfg_post_optimizing): New pass.
3459         (init_tree_optimization_passes): Run the new pass after all
3460         optimizations.
3461         * tree.h (pushcase, pushcase_range): Remove prototypes.
3462         (expand_start_case, add_case_node): Update prototypes.
3463
3464 2004-07-16  Krister Walfridsson  <cato@df.lth.se>
3465
3466         * tree-inline.c (estimate_num_insns_1): Correct increase of count.
3467
3468 2004-07-16  Richard Henderson  <rth@redhat.com>
3469
3470         * builtins.c (std_expand_builtin_va_arg): Remove.
3471         (expand_builtin_va_arg): Remove.
3472         * expr.h: Don't declare them.
3473         * gimplify.c (mark_decls_volatile_r): Remove.
3474         (copy_if_shared_r): Don't call it.
3475         * target-def.h: Don't test EXPAND_BUILTIN_VA_ARG.
3476         * expr.c (expand_expr_real_1): Don't handle VA_ARG_EXPR.
3477         * gimple-low.c (lower_stmt): Likewise.
3478         * tree-cfg.c (cfg_remove_useless_stmts_bb): Likewise.
3479         * tree-gimple.c (is_gimple_tmp_rhs, is_gimple_stmt): Likewise.
3480         * tree-ssa-operands.c (get_expr_operands): Likewise.
3481         * doc/tm.texi (TARGET_GIMPLIFY_VA_ARG_EXPR): Don't mention
3482         EXPAND_BUILTIN_VA_ARG.
3483         * system.h (EXPAND_BUILTIN_VA_ARG): Poison.
3484         * config/alpha/alpha.h, config/alpha/unicosmk.h, config/i386/i386.h,
3485         config/ia64/ia64.h, config/rs6000/rs6000.h, config/s390/s390.h,
3486         config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Remove.
3487
3488 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
3489
3490         * tree-ssa-pre.c (insert_aux): Break out if we hit
3491         a critical edge.
3492
3493 2004-07-16  Richard Henderson  <rth@redhat.com>
3494
3495         * basic-block.h (remove_fake_exit_edges): Declare.
3496         * cfganal.c (remove_fake_predecessors): Rename from
3497         remove_fake_successors; iterate over predecessors.
3498         (remove_fake_exit_edges): New.
3499         * cfgcleanup.c (try_optimize_cfg): Use it.
3500         * gcse.c (one_pre_gcse_pass, store_motion): Likewise.
3501         * predict.c (estimate_probability): Likewise.
3502         (tree_estimate_probability, note_prediction_to_br_prob): Likewise.
3503         * tree-cfg.c (make_edges): Likewise.
3504         * tree-ssa-pre.c (fini_pre): Likewise.
3505         * profile.c (instrument_edges): Don't remove_fake_edges.
3506         (branch_prob): Do it earlier here.
3507
3508 2004-07-16  Richard Henderson  <rth@redhat.com>
3509
3510         * tree-ssa-operands.c (get_expr_operands): Fix 2004-07-15
3511         switchification wrt CONSTRUCTOR.  Document the reason.
3512
3513 2004-07-16  Frank Ch. Eigler  <fche@redhat.com>
3514
3515         * tree-mudflap.c (mf_file_function_line_tree): Correct typo
3516         that prevented descriptive __mf_check source location strings.
3517
3518 2004-07-16  Richard Henderson  <rth@redhat.com>
3519
3520         * tree-def (WITH_SIZE_EXPR): New.
3521         * explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR.
3522         * expr.c (expand_expr_real_1): Likewise.
3523         * gimplify.c (maybe_with_size_expr): New.
3524         (gimplify_arg, gimplify_modify_expr): Use it.
3525         (gimplify_modify_expr_to_memcpy): Take size parameter.
3526         (gimplify_modify_expr_to_memset): Likewise.
3527         (gimplify_expr): Handle WITH_SIZE_EXPR.
3528         * tree-alias-common.c (find_func_aliases): Likewise.
3529         * tree-eh.c (tree_could_trap_p): Likewise.
3530         (tree_could_throw_p): Likewise.
3531         * tree-gimple.c (is_gimple_lvalue): Likewise.
3532         (get_call_expr_in): Likewise.
3533         * tree-inline.c (estimate_num_insns_1): Likewise.
3534         (expand_calls_inline): Likewise.
3535         * tree-nested.c (convert_call_expr): Likewise.
3536         * tree-pretty-print.c (dump_generic_node): Likewise.
3537         * tree-sra.c (sra_walk_expr): Likewise.
3538         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
3539         * tree-ssa-ccp.c (get_rhs, set_rhs): Likewise.
3540         * tree-ssa-operands.c (get_expr_operands): Likewise.
3541         * tree-tailcall.c (find_tail_calls): Likewise.
3542
3543         * calls.c (expand_call): Reset old_stack_allocated after
3544         calling emit_stack_restore.
3545
3546 2004-07-16  Richard Henderson  <rth@redhat.com>
3547
3548         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING,
3549         lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
3550         * langhooks.c (lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
3551         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
3552         copy_res_decl_for_inlining.
3553
3554         * tree-inline.c (declare_return_variable): New modify_dest argument.
3555         Use it as the return value, when possible or manditory.  Handle
3556         TREE_ADDRESSABLE types.
3557         (expand_call_inline): Extract MODIFY_EXPR lhs for call.  Simplify
3558         replacement of CALL_EXPR.
3559
3560 2004-07-16  Richard Henderson  <rth@redhat.com>
3561
3562         * tree-flow.h (struct var_ann_d): Remove has_hidden_use.
3563         * gimple-low.c (expand_var_p): Don't check it.
3564         * tree-ssa-alias.c (setup_pointers_and_addressables): Likewise.
3565         * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
3566         * tree-ssa-operands.c (add_stmt_operand): Likewise.
3567         * tree-dfa.c (find_hidden_use_vars, find_hidden_use_vars_r): Kill.
3568         (find_referenced_vars): Don't call them.
3569         * tree-flow-inline.h (has_hidden_use, set_has_hidden_use): Kill.
3570
3571 2004-07-16  Richard Henderson  <rth@redhat.com>
3572
3573         * function.c (pass_by_reference): True for all variable sized types.
3574
3575 2004-07-16  Sebastian Pop  <pop@cri.ensmp.fr>
3576
3577         * Makefile.in (tree-pretty-print.o): Depend on tree-chrec.h.
3578         * tree-pretty-print.c: Include tree-chrec.h.
3579         (dump_generic_node): Pretty print SCEV_KNOWN, SCEV_NOT_KNOWN
3580         and POLYNOMIAL_CHREC nodes.
3581
3582 2004-07-16  Steve Ellcey  <sje@cup.hp.com>
3583
3584         * builtins.c (expand_builtin_stpcpy): Do not create temporary
3585         reg with VOIDmode.
3586
3587 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
3588
3589         * config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).
3590
3591 2004-07-16  Andreas Krebbel  <krebbel1@de.ibm.com>
3592
3593         * config/s390/s390.md: Changed every occurence of BASE_REGISTER
3594         to BASE_REGNUM.
3595         * config/s390/s390.c: Likewise.
3596         * config/s390/s390.h: Likewise.
3597
3598 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
3599
3600         * config/mips/mips.md (addsi3, adddi3): Remove special handling
3601         of $sp adds.  Remove REGNO checks from mips16 patterns.
3602
3603 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
3604
3605         * config/mips/mips.md: Delete outdated comment.
3606
3607 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
3608
3609         * config/mips/mips.c (get_float_compare_codes): Delete.
3610         (mips_emit_compare): New function, mostly extracted from
3611         get_float_compare_codes and gen_conditional_branch.
3612         (gen_conditional_branch, gen_conditional_move): Use it.
3613
3614 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
3615
3616         * genautomata.c (add_vect): Speedup by using integers as
3617         bit-vectors for walking through the comb_vect and finding
3618         a match.
3619
3620 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
3621
3622         * config/mips/mips.c (mips_zero_if_equal): Only use XORs if the second
3623         operand is an uns_arith_operand; use subtraction otherwise.
3624         * config/mips/mips.md (cmpsi, cmpdi): Allow any nonmemory_operand,
3625         not just arith_operands.
3626
3627 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
3628
3629         * config/mips/mips-protos.h (gen_int_relational): Delete.
3630         (mips_emit_scc): Declare.
3631         * config/mips/mips.c (internal_test): Delete.
3632         (sle_operand, sleu_operand): New functions.
3633         (map_test_to_internal_test, gen_int_relational): Delete.
3634         (mips_emit_binary, mips_relational_operand_ok_p)
3635         (mips_emit_int_relational, mips_zero_if_equal)
3636         (mips_emit_scc): New functions.
3637         (gen_conditional_branch): Rework to use mips_emit_int_relational.
3638         * config/mips/mips.h (PREDICATE_CODES): Add sle_operand and
3639         sleu_operand.
3640         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
3641         (sltu, sleu): Use mips_emit_scc.
3642         (*sge_[sd]i, *sgeu_[sd]i): New patterns.
3643         (*sle_[sd]i, *sle_[sd]i_mips16): Use sle_operand.
3644         (*sleu_[sd]i, *sleu_[sd]i_mips16): Use sleu_operand.
3645
3646 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
3647
3648         * config/mips/mips.md (*sgt_di_mips16): Fix destination constraint.
3649
3650 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
3651
3652         * config/mips/mips.md (*seq_[sd]i): Renamed from seq_[sd]i_zero.
3653         (*sne_[sd]i): Likewise sne_[sd]i_zero.
3654         (*sgt_[sd]i): ...and sgt_[sd]i.
3655         (*slt_[sd]i): ...and slt_[sd]i.
3656         (*sgtu_[sd]i): ...and sgtu_[sd]i.
3657         (*sltu_[sd]i): ...and sltu_[sd]i.
3658         (*sleu_[sd]i): ...and sleu_[sd]i_const.
3659         Name previously unnamed mips16 patterns.  Formatting fixes.
3660
3661 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
3662
3663         * config/mips/mips.c (cmp_operands): Renamed from branch_cmp.
3664         (branch_type): Delete.
3665         (gen_conditional_branch, gen_conditional_move)
3666         (mips_gen_conditional_trap): Update after name change.  Get the
3667         comparison mode from cmp_operands[0].
3668         * config/mips/mips.h (cmp_type, branch_type): Delete.
3669         (cmp_operands): Renamed from branch_cmp.
3670         * config/mips/mips.md (cmpsi, cmpdi, cmpsf, cmpdf): Update after
3671         name change.  Don't set branch_type.
3672         (seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu): Check the
3673         mode class of cmp_operands[0] rather than branch_type.  Update after
3674         name change.
3675
3676 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
3677
3678         * config/mips/mips.c (mips_rtx_costs): In mips16 code, set the cost
3679         of 0...255 to 0 when inside a SET.
3680
3681 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
3682
3683         * config/mips/mips.md: Remove mips16 define_peepholes.
3684
3685 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
3686
3687         * tree-ssa-pre.c (init_pre): Connect infinite loops to exit.
3688         (fini_pre): Remove fake edges.
3689
3690 2004-07-15  Richard Henderson  <rth@redhat.com>
3691
3692         * tree-ssa-operands.c (get_expr_operands): Use a switch.  Split out...
3693         (get_indirect_ref_operands, get_call_expr_operands): ... these.
3694
3695 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
3696
3697         * vec.h (VEC_address): New function.
3698
3699 2004-07-14  Jason Merrill  <jason@redhat.com>
3700
3701         PR middle-end/15885
3702         * gimplify.c (gimplify_arg): New fn, split out from...
3703         (gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.
3704
3705 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
3706
3707         * config/m68k/m68k.c (output_move_qimode): Abort on an attempt to
3708         generate code which is generated by pushqi1 now
3709         * config/m68k/m68k.h (MOVE_BY_PIECES_P): Remove.
3710
3711 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
3712
3713         * combine.c (simplify_set): match the mode of the constant 0 with
3714         the tested operand to match the compare behaviour and the
3715         simplify_relational_operation() expectation.
3716
3717 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
3718
3719         * config/rs6000/rs6000.md ("bunordered"): Disable for e500.
3720         ("bordered"): Same.
3721
3722 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
3723
3724         * config/rs6000/rs6000.md ("*cceq_ior_compare"): Allow
3725         unconditionally.
3726         * config/rs6000/spe.md ("e500_cceq_ior_compare"): Remove.
3727
3728 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
3729
3730         * config/mips/mips.c (mips_adjust_insn_length): Fix handling of
3731         calls in mips16 code.
3732
3733 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
3734
3735         * config/mips/mips.md: In the mips16 li/neg splitter, use SImode for
3736         the destination of the li as well as for the neg.
3737
3738 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
3739
3740         g++/15861
3741         * cgraphunit.c (cgraph_build_static_cdtor): Add priority argument.
3742         * cgraph.h: Update declaration.
3743         * c-decl.c (build_cdtor): Update call with default priority.
3744         * coverage.c (create_coverage): Ditto.
3745         * tree-mudflap.c (mf_init_fndecl): New tree.
3746         (mudflap_init): Set it.
3747         (mudflap_register_call): Arrange to call __mf_init before the first
3748         __mf_register call.
3749         (mudflap_finish_file): Mark the mudflap static initializer as extra
3750         high priority, to beat all C++ static constructors.
3751
3752 2004-07-15  Jeff Law  <law@redhat.com>
3753
3754         * loop.c (check_insn_for_givs): Restore check for code labels that was
3755         accidentally deleted by a recent checkin.
3756
3757 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
3758
3759         * vec.h (VEC_T_truncate): Allow truncation of an empty vector.
3760         (VEC_T_quick_insert, VEC_T_ordered_remove): Fix sizeof(T) thinko.
3761
3762 2004-07-14  Richard Henderson  <rth@redhat.com>
3763
3764         * print-tree.c (print_node): Fix casts last change.
3765
3766 2004-07-15  Paul Brook  <paul@codesourcery.com>
3767
3768         * dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO
3769         to TARGET_UNWIND_INFO.
3770         * except.c (output_function_exception_table): Ditto.
3771         * except.h: Ditto.
3772         * opts.c (decode_options): Ditto.
3773         * passes.c (rest_of_handle_final): Ditto.
3774         * final.c (final_start_function): Ditto.
3775         (final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with
3776         target hook.
3777         * targhooks.h (default_unwind_emit): Declare.
3778         * targhooks.c (default_unwind_emit): New function.
3779         * target-def.h: Define and use TARGET_UNWIND_EMIT.
3780         * target.h (struct gcc_target): Add unwind_emit.
3781         * config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define.
3782         * config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO.
3783         Remove IA64_UNWIND_EMIT.
3784         * doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO.
3785
3786 2004-07-14  Richard Henderson  <rth@redhat.com>
3787
3788         * print-tree.c (print_node): Handle SSA_NAME.
3789
3790 2004-07-14  James E Wilson  <wilson@specifixinc.com>
3791
3792         PR target/16325
3793         * config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value
3794         and ! TARGET_64BIT, include REG_PARM_STACK_SPACE.
3795
3796 2004-07-15  Jakub Jelinek  <jakub@redhat.com>
3797
3798         * expr.c (expand_assignment): Reenable bitfield += optimizations.
3799         Use alias set 0 for memory, do proper mode calculations and adjust
3800         address for memories.
3801
3802 2004-07-14  Per Bothner  <per@bothner.com>
3803
3804         * input.h:  If USE_MAPPED_LOCATION, define separate expanded_location
3805         structure with extra column field.
3806         * tree.c (expand_location):  Also fill in column field.
3807         * gengtype-lex.l:  Ignore expanded_location typedef, sinze gengtype
3808         gets confused by the two conditionally-compiled definitions.
3809
3810 2004-07-14  Eric Christopher  <echristo@redhat.com>
3811
3812         * calls.c (expand_call): Fix typo in comment.
3813
3814 2004-07-14  Steve Ellcey  <sje@cup.hp.com>
3815
3816         * config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
3817         comparision of TFmode.
3818
3819 2004-07-14  Richard Henderson  <rth@redhat.com>
3820
3821         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
3822         (alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
3823         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
3824         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
3825         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
3826         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
3827         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
3828         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
3829         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
3830
3831 2004-07-14  Mike Stump  <mrs@apple.com>
3832
3833         * config/darwin.h (WINT_TYPE): Define to be int to match
3834         system header files.
3835
3836 2004-07-14  Bob Wilson  <bob.wilson@acm.org>
3837
3838         * config/xtensa/xtensa.c (function_arg_advance): Check for args
3839         that must be passed in the stack.
3840         (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
3841         arguments if the size is not a constant.
3842
3843 2004-07-14  Per Bothner  <per@bothner.com>
3844
3845         * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
3846         instead of EXPR_LOCUS in a boolean context, which is always true
3847         if --enable-mapped-location.
3848         * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.
3849
3850 2004-07-14  Richard Henderson  <rth@redhat.com>
3851
3852         * dominance.c (struct dom_info): Add fake_exit_edge.
3853         (init_dom_info): Allocate it.
3854         (free_dom_info): Free it.
3855         (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
3856         in two passes.
3857         (calc_idoms): Honor fake_exit_edge.
3858
3859 2004-07-13  Jason Merrill  <jason@redhat.com>
3860
3861         * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
3862         (rhs_test_for): New fn.
3863         (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
3864         * tree-gimple.h: Declare them.
3865         * gimplify.c (gimplify_modify_expr): Use the new fns.
3866
3867 2004-07-14  Richard Henderson  <rth@redhat.com>
3868
3869         * config/arm/arm-protos.h (arm_va_arg): Remove.
3870         * config/arm/arm.c (arm_va_arg): Remove.
3871         (arm_init_expanders): Fix alignment of arg_pointer_rtx.
3872         * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.
3873
3874 2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3875
3876         * pa.c (fix_range): New function to mark a range(s) of registers as
3877         fixed registers.
3878         (override_options): Call fix_range if the -mfixed-range option string
3879         is not empty.
3880         * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
3881         * doc/invoke.texi (-mfixed-range): Document new option.
3882
3883 2004-07-14  David Edelsohn  <edelsohn@gnu.org>
3884
3885         * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
3886         for TARGET_64BIT.
3887         (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.
3888
3889 2004-07-14  Roger Sayle  <roger@eyesopen.com>
3890
3891         * expmed.c (expand_sdiv_pow2): New function to expand signed division
3892         by a positive power of two, split out from expand_divmod.  Provide
3893         an alternate implementation when shifts are expensive.  Lower the
3894         threshold for using a branchless implementation to BRANCH_COST >= 2.
3895         (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.
3896
3897 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
3898
3899         * tree-dfa.c (make_rename_temp): *Really* work just
3900         like create_tmp_var if called while outside SSA form.
3901
3902 2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
3903
3904         * config/s390/s390.md ("udivsi3"): Ensure trap is generated
3905         for division by zero.
3906         ("umodsi3"): Likewise.
3907
3908 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
3909
3910         * config/mips/mips.c (mips_output_move): When generating mips16 code,
3911         force loads of negative constants to be split.
3912         * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
3913         Generalize SImode li/neg splitter to cope with other modes.
3914
3915 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
3916
3917         * expmed.c: Remove more references to QUEUED in the comments.
3918         * expr.c: Likewise.
3919
3920 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
3921
3922         Revert:
3923         2004-07-13  Richard Henderson  <rth@redhat.com>
3924         * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
3925         correctly.
3926
3927 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
3928
3929         * tree-dfa.c (make_rename_temp): Work just like
3930         create_tmp_var if called while outside SSA form.
3931
3932 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
3933
3934         * expr.c (enqueue_insn, finish_expr_for_function,
3935         protect_from_queue, queued_subexp_p, mark_queue,
3936         emit_insns_enqueued_after_mark, emit_queue,
3937         expand_increment): Remove.
3938         (store_constructor): Expand increment as an assignment.
3939         (expand_expr_real_1 <case PREINCREMENT_EXPR,
3940         case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
3941         case POSTDECREMENT_EXPR>): Abort.
3942         * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
3943         QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
3944         protect_from_queue, emit_queue, queued_subexp_p): Remove.
3945         * function.h (pending_chain, x_pending_chain): Remove.
3946         * rtl.def (QUEUED): Remove.
3947
3948         * emit-rtl.c (copy_insn_1, copy_most_rtx,
3949         set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
3950         * genattrtab.c (attr_copy_rtx, clear_struct_flag,
3951         encode_units_mask): Likewise.
3952         * local-alloc.c (equiv_init_varies_p): Likewise.
3953         * rtl.c (copy_rtx): Likewise.
3954         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
3955         * simplify-rtx.c (simplify_gen_subreg): Likewise.
3956         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.
3957
3958         * builtins.c (expand_builtin, expand_builtin_apply,
3959         expand_builtin_mathfn, expand_builtin_mathfn_2,
3960         expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
3961         Remove calls to emit_queue and protect_from_queue.
3962         * calls.c (expand_call, precompute_arguments,
3963         precompute_register_parameters, rtx_for_function_call,
3964         store_one_arg): Likewise.
3965         * dojump.c (do_compare_and_jump, do_jump): Likewise.
3966         * explow.c (memory_address): Likewise.
3967         * expmed.c (clear_by_pieces_1, clear_storage,
3968         clear_storage_via_libcall, emit_group_load,
3969         emit_group_store, emit_store_flag,
3970         expand_expr_real_1, store_by_pieces,
3971         store_constructor, store_expr, try_casesi,
3972         try_tablejump): Likewise.
3973         * function.c (expand_pending_sizes): Likewise.
3974         * optabs.c (emit_cmp_and_jump_insns,
3975         emit_conditional_add, emit_conditional_move,
3976         expand_fix, expand_float, prepare_cmp_insn): Likewise.
3977         * stmt.c (emit_case_bit_tests,
3978         expand_asm_expr, expand_computed_goto,
3979         expand_decl_init, expand_end_case_type,
3980         expand_end_stmt_expr, expand_expr_stmt_value,
3981         expand_return, expand_start_case,
3982         optimize_tail_recursion): Likewise.
3983         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
3984         * config/s390/s390.c (s390_expand_cmpmem): Likewise.
3985
3986 2004-07-14  Ben Elliston  <bje@au.ibm.com>
3987
3988         * vec.h: Comment fix.
3989
3990 2004-07-13  Richard Henderson  <rth@redhat.com>
3991
3992         * target.h (struct gcc_target): Add calls.pass_by_reference.
3993         * target-def.h (TARGET_PASS_BY_REFERENCE): New.
3994         * function.c (pass_by_reference): Use the hook.
3995         * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
3996         * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
3997         (hook_pass_by_reference_must_pass_in_stack): New.
3998         * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
3999         (alpha_pass_by_reference): New.
4000         (TARGET_PASS_BY_REFERENCE): New.
4001         * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
4002         * config/arc/arc.c (arc_pass_by_reference): New.
4003         (TARGET_PASS_BY_REFERENCE): New.
4004         * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
4005         (FUNCTION_ARG_CALLEE_COPIES): True.
4006         * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
4007         * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
4008         (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
4009         * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
4010         * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
4011         * config/cris/cris.c (cris_pass_by_reference): New.
4012         (TARGET_PASS_BY_REFERENCE): New.
4013         * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
4014         (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
4015         (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
4016         * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
4017         * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
4018         * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
4019         * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
4020         (frv_function_arg_pass_by_reference): Remove.
4021         * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
4022         * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
4023         * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
4024         (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
4025         * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
4026         * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
4027         * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
4028         (ia64_pass_by_reference): Rename from
4029         ia64_function_arg_pass_by_reference.
4030         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
4031         * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
4032         * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
4033         * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
4034         (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
4035         * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
4036         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
4037         * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
4038         * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
4039         (m32r_pass_by_reference): Adjust prototype.  Make static.
4040         Handle mode sizes correctly.
4041         * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
4042         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
4043         (m68hc11_function_arg_pass_by_reference): Remove.
4044         * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
4045         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
4046         * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
4047         * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
4048         * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
4049         * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
4050         (mips_va_arg): Use pass_by_reference.
4051         (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
4052         Handle mode sizes correctly.
4053         * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
4054         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
4055         * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
4056         * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
4057         (mmix_pass_by_reference): Rename from
4058         mmix_function_arg_pass_by_reference.
4059         * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
4060         (FUNCTION_ARG_CALLEE_COPIES): True.
4061         * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
4062         (mn10300_pass_by_reference): New.
4063         * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
4064         (FUNCTION_ARG_CALLEE_COPIES): True.
4065         * config/pa/pa.c (pa_pass_by_reference): New.
4066         (TARGET_PASS_BY_REFERENCE): New.
4067         * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
4068         (FUNCTION_ARG_CALLEE_COPIES): True.
4069         * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
4070         * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
4071         (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
4072         * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
4073         * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
4074         * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
4075         (s390_pass_by_reference): Rename from
4076         s390_function_arg_pass_by_reference.
4077         (s390_function_arg_advance): Don't query pass-by-ref.
4078         (s390_function_arg): Likewise.
4079         (s390_gimplify_va_arg): Use pass_by_reference.
4080         (s390_call_saved_register_used): Likewise.
4081         * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
4082         * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
4083         (shcompact_byref, sh_pass_by_reference): New.
4084         * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
4085         (SHCOMPACT_BYREF): Remove.
4086         * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
4087         * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
4088         (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
4089         (sparc_gimplify_va_arg): Use pass_by_reference.
4090         * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
4091         * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
4092         * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
4093         (v850_pass_by_reference): New.
4094         * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
4095         (FUNCTION_ARG_CALLEE_COPIES): True.
4096         * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
4097         FUNCTION_ARG_PASS_BY_REFERENCE docs.
4098
4099 2004-07-14  Richard Henderson  <rth@redhat.com>
4100             Richard Sandiford  <rsandifo@redhat.com>
4101
4102         * config/mips/mips-protos.h (mips_va_arg): Delete.
4103         * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
4104         * config/mips/mips.c: Include tree-gimple.h.
4105         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
4106         (mips_arg_info): Remove special handling of must_pass_in_stck args.
4107         (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
4108         (function_arg_pass_by_reference): Return true if must_pass_in_stack.
4109
4110 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
4111
4112         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
4113         arguments for COND_EXPR in big-endian adjustment code.
4114
4115 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4116
4117         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
4118         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
4119         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
4120         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
4121
4122 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
4123
4124         PR tree-optimization/16443
4125         * tree-ssa-alias.c: Add more description for
4126         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
4127         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
4128         clobbering of call-clobbered and addressable variables.  If
4129         there are any before aliases have been computed, add them.
4130
4131 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
4132
4133         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
4134         verification.
4135
4136 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
4137
4138         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
4139         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
4140         to the same type.
4141
4142 2004-07-13  Per Bothner  <per@bothner.com>
4143
4144         * collect2.c (main):  Handle --no-demangle and --demangle flags.
4145
4146 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
4147
4148         * Makefile.in (OBJS-common): Add tree-data-ref.o.
4149         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
4150         (tree-data-ref.o): New rule.
4151         * lambda.h: New file.
4152         * tree-data-ref.c: New file.
4153         * tree-data-ref.h: New file.
4154         * tree.c (int_cst_value, tree_fold_gcd): New functions.
4155         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
4156
4157 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
4158
4159         PR target/13926
4160         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
4161         * config/sparc/sparc.c (output_ubranch): New function.
4162         * config/sparc/sparc.md (jump pattern): Use it.
4163
4164 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
4165
4166         PR target/16494
4167         * config/sparc/sparc.c (output_cbranch): Properly guard
4168         the code handling far branches with TARGET_V9.
4169         * config/sparc/sparc.md (length attribute): Document the
4170         side-effect of having a length greater or equal to 3.
4171
4172 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
4173             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
4174
4175         PR target/15186
4176         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
4177         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
4178
4179 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
4180             Martin Sebor  <sebor@roguewave.com>
4181
4182         PR target/12602
4183         * doc/invoke.texi (SPARC options): Document -threads
4184         and -pthreads on Solaris.
4185
4186 2004-07-13  Richard Henderson  <rth@redhat.com>
4187
4188         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
4189         by reference.
4190         (ind_gimplify_va_arg_expr): Remove.
4191         * tree.h (ind_gimplify_va_arg_expr): Remove.
4192         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
4193         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
4194         argsp to be null.
4195
4196         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
4197         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
4198         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
4199         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
4200         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
4201
4202 2004-07-13  Richard Henderson  <rth@redhat.com>
4203
4204         * function.c (pass_by_reference): New.
4205         (assign_parm_find_data_types): Use it.
4206         * calls.c (initialize_argument_information): Likewise.
4207         (emit_library_call_value_1): Likewise.
4208         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
4209         * function.h (pass_by_reference): Declare.
4210
4211 2004-07-13  Richard Henderson  <rth@redhat.com>
4212
4213         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
4214         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
4215         * expr.h (MUST_PASS_IN_STACK): Remove.
4216         * system.h (MUST_PASS_IN_STACK): Poison.
4217         * tree.h (must_pass_in_stack_var_size): Declare.
4218         (must_pass_in_stack_var_size_or_pad): Declare.
4219         * calls.c (must_pass_in_stack_var_size): New.
4220         (must_pass_in_stack_var_size_or_pad): Rename from
4221         default_must_pass_in_stack.
4222         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
4223         (TARGET_MUST_PASS_IN_STACK): New.
4224         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
4225         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
4226         (TARGET_MUST_PASS_IN_STACK): New.
4227         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
4228         * config/frv/frv.c (frv_must_pass_in_stack): New.
4229         (TARGET_MUST_PASS_IN_STACK): New.
4230         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
4231         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
4232         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
4233         (ix86_must_pass_in_stack): Make static.
4234         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
4235         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
4236         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
4237         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
4238         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
4239         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
4240         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
4241         (mcore_must_pass_on_stack): Remove.
4242         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
4243         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
4244         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
4245         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
4246         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
4247         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
4248         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
4249         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
4250         (TARGET_MUST_PASS_IN_STACK): New.
4251         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
4252         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
4253         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
4254         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
4255         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
4256         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
4257         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
4258         MUST_PASS_IN_STACK.
4259
4260         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
4261         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
4262         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
4263         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
4264         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
4265         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
4266         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
4267         config/xtensa/xtensa.c: Use target hook.
4268
4269 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
4270
4271         * configure.ac (gcc_cv_as_offsetable_lo10): Fix a typo.
4272         * configure: Rebuilt.
4273
4274 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
4275
4276         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
4277         * config/mips/mips.h (mips_reg_names): Don't declare.
4278         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
4279         (TARGET_NAME_REGS): Delete.
4280         (TARGET_SWITCHES): Remove -mrnames.
4281         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
4282         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
4283         in REGISTER_NAMES.
4284         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
4285         (override_options): Remove handling of TARGET_NAME_REGS.
4286
4287 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
4288
4289         * config/mips/mips.h (TARGET_*): Boolify.
4290
4291 2004-07-12  Nick Clifton  <nickc@redhat.com>
4292
4293         * config.gcc: Add sh-*-symbianelf target.
4294         * config/sh/sh.c: Add new target macros:
4295         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
4296         TARGET_CXX_IMPORT_EXPORT_CLASS.
4297         (sh_file_start): Create a definition of the .directive section.
4298         (sh_attribute): Add dllimport and dllexport attributes.
4299         * config/sh/symbian-pre.h: New file.
4300         * config/sh/symbian-post.h: New file.
4301         * config/sh/symbian.c: New file. Contains Symbian specific
4302         functions.
4303         * config/sh/sh-protos.h: Add prototypes for new functions
4304         provided by symbian.c.
4305         * config/sh/t-symbian: New file.
4306         * doc/extend.texi: Document support for dllimport and dllexport
4307         attributes by the sh-symbianelf target.
4308
4309 2004-07-12  James E Wilson  <wilson@specifixinc.com>
4310
4311         * Makefile.in (AR): Use @AR@ not ar.
4312         (NM): New.
4313         (AR_FOR_TARGET): Use $(AR) not ar for native.
4314         (NM_FOR_TARGET): Use $(NM) not nm for native.
4315         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
4316         * configure: Regenerate.
4317
4318 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
4319
4320         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
4321         special case.
4322         (ashldi3_sp64): Likewise.
4323
4324 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4325
4326         PR target/16477
4327         * pa.c (function_arg): Update comment.
4328         * pa.h (BLOCK_REG_PADDING): Define.
4329
4330 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4331
4332         PR tree-optimization/16461
4333         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
4334         arguments of phi nodes.
4335
4336 2004-07-12  Devang Patel  <dpatel@apple.com>
4337
4338         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
4339
4340 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
4341
4342         * function.c (expand_function_start): Ensure r_save is in Pmode.
4343         * calls.c (prepare_call_address): Ensure static_chain_value is
4344         in Pmode.
4345         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
4346         r_save_area are in Pmode.
4347         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
4348         fnaddr, and static_chain are in Pmode.
4349
4350 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
4351
4352         PR target/16445
4353         * config/ia64/ia64.c (bundling): Don't count ignored insns.
4354
4355 2004-07-12  Richard Henderson  <rth@redhat.com>
4356
4357         * target.h (struct gcc_target): Move gimplify_va_arg_expr
4358         next to build_builtin_va_list.
4359         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
4360         * builtins.c (gimplify_va_arg_expr): Likewise.
4361         * gimplify.c (copy_if_shared_r): Likewise.
4362
4363 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
4364
4365         * passes.c (rest_of_decl_compilation): Don't defer call of
4366         assemble_variable if its DECL_RTL is already set.
4367
4368 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
4369
4370         * cfgloop.h (struct loop): Add nb_iterations field.
4371         (current_loops): Declare.
4372         * tree-chrec.c (chrec_not_analyzed_yet,
4373         chrec_dont_know, chrec_known, count_ev_in_wider_type,
4374         chrec_contains_symbols_defined_in_loop): Remove the temporary
4375         hooks.
4376         * tree-flow-inline.h (loop_containing_stmt): New function.
4377         * tree-scalar-evolution.c: Add implementation.
4378         * tree-scalar-evolution.h: Add declarations.
4379
4380 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
4381
4382         PR rtl-optimization/15921
4383         * Makefile.in (global.o): Add recog.h.
4384
4385         * global.c (recog.h): Add the include-clause.
4386         (bb_info): New member earlyclobber.
4387         (allocate_bb_info, free_bb_info): Initialize/finish the new
4388         member.
4389         (earlyclobber_regclass, earlyclobber_regclass_length): The new
4390         global variables.
4391         (check_earlyclobber, regclass_intersect,
4392         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
4393         New functions.
4394         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
4395         (make_accurate_live_analysis): Modify pavin.
4396
4397 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
4398
4399         * tree-cfg.c (find_taken_edge): Statically compute the truth
4400         value of a predicate comparing an SSA_NAME to itself.
4401
4402 2004-07-12  Roger Sayle  <roger@eyesopen.com>
4403
4404         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
4405         rs6000 doesn't have shift-and-add or shift-and-sub instructions
4406         by returning the cost of a multiplication plus an addition.
4407
4408 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
4409
4410         PR tree-optimization/14107
4411         * gimplify.c (gimplify_return_expr): Accept a
4412         RETURN_EXPR with an error argument.
4413         * tree-optimize.c (init_tree_optimization_passes):
4414         Run pass_warn_function_return at -O0.
4415
4416 2004-07-12  Roger Sayle  <roger@eyesopen.com>
4417
4418         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
4419         index entry.
4420
4421 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
4422
4423         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
4424         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
4425         * config/mips/3000.md: Add copyright notice.  Remove automota and
4426         function units; use generic ones instead.  Only define reservations
4427         for things that are different from generic.md.  Extend each clause
4428         to include r3900.
4429         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
4430         * config/mips/mips.md: Include them. Remove define_function_units.
4431         (alu, imuldiv): New automata and units.
4432
4433 2004-07-12  Ben Elliston  <bje@au.ibm.com>
4434
4435         * doc/invoke.texi (Optimize Options): Document -frename-registers
4436         not being enabled by default at -O3.
4437
4438 2004-07-11  Roger Sayle  <roger@eyesopen.com>
4439
4440         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
4441         floating point additions, to keep real immediate constant positive.
4442         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
4443         into X + C, and leave positive real constants as X - C.
4444
4445 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4446
4447         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
4448
4449 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4450
4451         PR tree-optimization/15654
4452         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
4453
4454 2004-07-11  Roger Sayle  <roger@eyesopen.com>
4455
4456         * builtins.c (fold_builtin_fputs): Don't bother converting the
4457         return type to integer_type_node, as we've already checked that
4458         the result will be ignored.
4459
4460         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
4461         that signed addition, subtraction, multiplication, division,
4462         remainder, negation and absolute value may potentially trap.
4463
4464         * fold-const.c (fold_ignored_result): New function to strip
4465         non-side-effecting tree nodes from an expression whose result
4466         is ignored.
4467         (fold_convert): Call fold_ignored_result when casting a value
4468         to VOID_TYPE.
4469         (omit_one_operand):  Call fold_ignored_result on the "omitted"
4470         operand when building a COMPOUND_EXPR.
4471         (pedantic_omit_one_operand): Likewise.
4472         * tree.h (fold_ignored_result): Prototype here.
4473         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
4474         when we're going to ignore the result.
4475
4476 2004-07-11  Richard Henderson  <rth@redhat.com>
4477
4478         PR tree-opt/16383
4479         * tree-ssa-ccp.c (fold_stmt_r): Split out...
4480         * tree.c (fields_compatible_p, find_compatible_field): ... new.
4481         * tree.h (fields_compatible_p, find_compatible_field): Declare.
4482         * tree-sra.c (sra_hash_tree): Hash fields by offset.
4483         (sra_elt_eq): Use fields_compatible_p.
4484         (generate_one_element_ref): Use find_compatible_field.
4485
4486 2004-07-11  Richard Henderson  <rth@redhat.com>
4487
4488         PR tree-opt/16422
4489         * tree-sra.c (generate_one_element_init): New.
4490         (generate_element_init): Use it.
4491         (scalarize_init): Push/pop gimplify context around it.
4492         (find_new_referenced_vars_1, find_new_referenced_vars): New.
4493         * gimplify.c (gimplify_expr): Allow SSA_NAME.
4494
4495 2004-07-11  Roger Sayle  <roger@eyesopen.com>
4496
4497         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
4498         combine.c's combine_insn_cost.
4499         * rtl.h (insn_rtx_cost): Prototype here.
4500         * combine.c (combine_insn_cost): Delete function.
4501         (combine_validate_cost): Update callers of combine_insn_cost to
4502         call insn_rtx_cost instead.
4503         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
4504         requesting the rtx_cost of call and/or jump instructions.
4505
4506         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
4507         rtx_cost directly.  Don't request/use the cost of call or jump
4508         instructions.  Return -1 if the cost of any instruction can't be
4509         determined (or the BB contains a function call).
4510         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
4511         -1 (i.e. can't determine the cost of any instruction or the basic
4512         block contains a subroutine call).
4513         (find_if_case_2): Likewise.
4514
4515 2004-07-11  Roger Sayle  <roger@eyesopen.com>
4516
4517         * rs6000.c (struct processor_costs): Change semantics of fields to
4518         include the COST_N_INSNS scaling, and update all initializers.
4519         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
4520         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
4521         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
4522         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
4523
4524 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
4525
4526         * LANGUAGES: Remove obsolete information.
4527
4528 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
4529
4530         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
4531         SIGBUS signal frames, the PSW address points *to* the faulting
4532         instruction, not after it.
4533
4534 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
4535
4536         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
4537         added to TLS symbol addresses.
4538
4539 2004-07-11  Richard Henderson  <rth@redhat.com>
4540
4541         * expmed.c (init_expmed): Use stack-local structures for
4542         temporary rtl.  Don't recognize shifts.
4543
4544 2004-07-11  Richard Henderson  <rth@redhat.com>
4545
4546         * expr.c (store_expr): Don't fiddle subreg promotion for types
4547         with precision smaller than the mode.
4548
4549 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
4550
4551         * tree.h (all_types_permanent): Remove.
4552
4553 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
4554
4555         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
4556         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
4557         * langhooks.c (lhd_clear_binding_stack): Remove.
4558         * langhooks-def.h (lhd_clear_binding_stack,
4559         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
4560         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
4561         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
4562         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
4563         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
4564         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
4565         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
4566         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
4567         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
4568         * tree.h (poplevel): Don't declare.
4569         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
4570         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
4571         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
4572         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
4573         Remove.
4574
4575 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
4576
4577         PR tree-optimization/16437
4578         * c-common.c (shorten_compare): Don't mark result of conversion to
4579         narrower signed type as overflowing.
4580         * fold-const.c (decode_field_reference): Determine whether
4581         signedness comes from outer type using precision rather than size.
4582
4583 2004-07-11  Phil Edwards  <phil@codesourcery.com>
4584
4585         * configure.ac:  Alphabetize --enable-checking list, add
4586         missing valgrind entry.
4587         * configure:  Regenerate.
4588
4589 2004-07-11  Phil Edwards  <phil@codesourcery.com>
4590
4591         * doc/install.texi (Testing):  Fix syntax in "make check" example.
4592
4593 2004-07-10  James E Wilson  <wilson@specifixinc.com>
4594
4595         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
4596
4597 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4598
4599         PR rtl-optimization/16001
4600         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
4601         niter_expr.
4602
4603 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
4604
4605         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
4606
4607 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
4608             James Morrison  <phython@gcc.gnu.org>
4609
4610         * doc/contrib.texi (Contributors): Add gfortran contributors and
4611         fix a couple of typos.
4612
4613 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4614
4615         PR rtl-optimization/15387
4616         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
4617         to incoming args space correctly.
4618
4619 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4620
4621         * pa.c (output_indirect_call): Only use %r2 as the link register in
4622         indirect calls with the long PA 2.0 pc-relative branch.
4623
4624 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
4625
4626         * config/i386/i386.c (override_options): Pick a 64-bit CPU
4627         for the default tuning if TARGET_64BIT.
4628
4629 2004-07-10  Richard Henderson  <rth@redhat.com>
4630
4631         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
4632         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
4633
4634 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
4635
4636         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
4637         * expmed.c (store_bit_field, extract_bit_field): Remove last
4638         argument.
4639         * builtins.c (expand_builtin_signbit): Adjust callers.
4640         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
4641         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
4642         * ifcvt.c (noce_emit_move_insn): Likewise.
4643         * stmt.c (expand_return): Likewise.
4644         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
4645         store_field, expand_expr_real_1): Likewise.
4646
4647 2004-07-10  Richard Henderson  <rth@redhat.com>
4648
4649         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
4650
4651 2004-07-09  Mike Stump  <mrs@apple.com>
4652
4653         * config/darwin.c (no_dead_strip): Add.
4654         (HAVE_DEAD_STRIP): Add.
4655         (darwin_emit_unwind_label): Ensure that we don't dead code strip
4656         the .eh label.
4657
4658 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4659
4660         * tree-ssa-loop-im.c: New file.
4661         * Makefile.in (tree-ssa-loop-im.o): Add.
4662         * cfgloop.c (superloop_at_depth): New function.
4663         * cfgloop.h (superloop_at_depth): Declare.
4664         * common.opt (ftree-lim): New flag.
4665         * expr.c (array_ref_up_bound): New function.
4666         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
4667         * timevar.def (TV_LIM): New timevar.
4668         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
4669         computing immediate uses of a phi node.
4670         * tree-flow.h (struct tree_ann_common_d): Add aux field.
4671         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
4672         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
4673         * tree-pass.h (pass_lim): Declare.
4674         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
4675         functions.
4676         (pass_lim): New pass structure.
4677         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
4678         * tree.c (in_array_bounds_p): New function.
4679         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
4680         (in_array_bounds_p, array_ref_up_bound): Declare.
4681         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
4682         * doc/passes.texi (tree-ssa-loop-im.c): Document.
4683
4684 2004-07-09  Richard Henderson  <rth@redhat.com>
4685
4686         * builtins.c (expand_builtin_stpcpy): Don't modify len.
4687
4688         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
4689         with prejudice.
4690
4691 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
4692
4693         * flags.h: Delete redundant prototypes that are being generated
4694         in options.h from common.opt.
4695         * common.opt: Add in the expository comments formerly in flags.h.
4696
4697 2004-07-09  Jan Beulich  <jbeulich@novell.com>
4698
4699         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
4700         available for use only when TARGET_MMX/_SSE is set, and check for
4701         variable argument function if any register count is non-zero.
4702         (function_arg): Correctly suppress repeated warnings for passing SSE
4703         vectors are arguments without SSE enabled.
4704         (ix86_function_arg_boundary): Without SSE enabled, the use of what
4705         would be SSE register modes does no longer influence the alignment.
4706
4707 2004-07-09  Richard Henderson  <rth@redhat.com>
4708
4709         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
4710         Always align upward to arg boundary.  Use size_in_bytes/round_up.
4711         Maintain type-correctness of constants.
4712         * stor-layout.c (round_up, round_down): Special-case powers of 2.
4713
4714 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
4715
4716         * config/sparc/sparc.c (*_costs): Scale instruction costs
4717         by COSTS_N_INSNS.
4718         (sparc_rtx_costs): Adjust as appropriate.
4719
4720 2004-07-09  Jan Beulich  <jbeulich@novell.com>
4721
4722         * config/i386/mm3dnow.h: New.
4723         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
4724
4725 2004-07-09  Richard Henderson  <rth@redhat.com>
4726
4727         * simplify-rtx.c (simplify_const_relational_operation): Only
4728         look at bounds of scalar integers.
4729
4730 2004-07-09  Jan Beulich  <jbeulich@novell.com>
4731
4732         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
4733
4734 2004-07-09  Andrew Pinski  <apinski@apple.com>
4735
4736         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
4737         always referenced.
4738         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
4739         UOBJC_METACLASS_decl.
4740
4741 2004-07-09  James E Wilson  <wilson@specifixinc.com>
4742
4743         PR target/16364
4744         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
4745         do return a parallel if hfa_mode == XFmode and mode == TImode.
4746
4747 2004-07-09  Jan Beulich  <jbeulich@novell.com>
4748
4749         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
4750         permissible for unary plus.
4751
4752 2004-07-09  Jan Beulich  <jbeulich@novell.com>
4753
4754         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
4755         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
4756         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
4757         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
4758         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
4759         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
4760         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
4761         (BUILTIN_xxxIMAX): New.
4762         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
4763         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
4764         BUILT_IN_PARITYIMAX.
4765
4766 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
4767
4768         * config/sparc/sparc.h (processor_costs): Define.
4769         (sparc_costs): Declare.
4770         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
4771         hypersparc_costs, sparclet_costs, ultrasparc_costs,
4772         ultrasparc3_costs): New.
4773         (sparc_override_options): Set sparc_costs as appropriate.
4774         (sparc_rtx_costs): Use sparc_costs instead of messy
4775         conditionals.
4776
4777 2004-07-09  Steven Bosscher  <stevenb@suse.de>
4778
4779         * doc/md.texi (Processor pipeline description): Mention that
4780         the old pipeline description is deprecated.
4781
4782         * config/rs6000/7450.md (automaton ppc7450): Split up, move
4783         mciu_7450 function unit to...
4784         (automaton ppc7450mciu): ...new automaton.
4785
4786         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
4787         (schedule_block): Don't consider inserting bubbles.
4788         (sched_init): Don't initialize DFA bubbles.
4789         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
4790         TARGET_SCHED_DFA_BUBBLE): Remove.
4791         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
4792         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
4793         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
4794
4795         * stmt.c (conditional_context): Remove prototype.
4796         * tree.h (conditional_context): Remove.
4797         * tree-cfg.c (pre_insert_on_edge): Remove.
4798
4799         * c-common.h (c_expand_asm_operands): Remove prototype.
4800         * c-typeck.c (c_expand_asm_operands): Remove.
4801
4802 2004-07-09  Jan Beulich  <jbeulich@novell.com>
4803
4804         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
4805         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
4806         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
4807         and V8QI are class SSE. All sufficiently small remaining vector modes
4808         must be passed in one or two integer registers.
4809         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
4810         returned in memory.
4811         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
4812         __builtin_ia32_pmuludq128 have non-uniform argument and return types
4813         and must thus be handled explicitly.
4814         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
4815         MMX and XMM regs.
4816         (movv8qi_internal, movv4hi_internal, movv2si_internal,
4817         movv2sf_internal): Permit moving between MMX and XMM registers (since
4818         MMX areguments and return values are passed in XMM registers).
4819         (sse2_umulsidi3): Correct type and mode.
4820
4821 2004-07-09  Richard Henderson  <rth@redhat.com>
4822
4823         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
4824
4825 2004-07-09  Eric Christopher  <echristo@redhat.com>
4826
4827         * config/rs6000/40x.md: Split into two automatons.
4828
4829 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
4830             Andrew Pinski  <apinski@apple.com>
4831
4832         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
4833         on when we have more than one input file.
4834         (c_common_parse_file): Restore loop over all input files.
4835         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
4836
4837         * c-decl.c (set_type_context): New function.
4838         (pop_scope): Use it to set context of types.  When we
4839         encounter a TYPE_DECL, set the context of the attached type too.
4840         (pop_file_scope): Don't call cpp_undef_all here.
4841         (diagnose_mismatched_decls): Do not complain about a second
4842         definition of an 'extern inline' function if it's not in the
4843         same translation unit.  Do not complain about inline
4844         declaration after use if the use was in a different
4845         translation unit.
4846         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
4847         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
4848         the external scope.
4849         (pushdecl_top_level): Likewise.
4850         (grokdeclarator): Clarify what is going on with setting
4851         DECL_EXTERNAL on function types, a little.
4852         (c_write_global_declarations): Don't do anything if
4853         -fsyntax-only or errors have been encountered.
4854
4855 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
4856
4857         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
4858
4859 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4860
4861         PR target/16459
4862         * pa.c (output_indirect_call): Use %r2 as the link register when
4863         calling $$dyncall with a pc-relative branch.
4864
4865 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
4866
4867         * doc/install.texi (Binaries): Mention OpenPKG.
4868
4869 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
4870
4871         Fix PR tree-optimization/15555
4872         * tree-dfa.c (dump_variable): If the variable is a pointer
4873         SSA_NAME, also dump its points-to information.
4874         * tree-flow.h (struct ptr_info_def): Add field
4875         is_dereferenced.
4876         (dump_points_to_info_for): Declare.
4877         (debug_points_to_info_for): Declare.
4878         * tree-optimize.c (init_tree_optimization_passes): Add a
4879         second alias analysis pass after DOM2.
4880         Move pass_del_pta to a later spot.
4881         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
4882         create a name tags when we find a dereferenced pointer.  Just
4883         mark the pointer dereferenced.
4884         (collect_points_to_info_for): Move code to clear points-to
4885         information to create_name_tags.
4886         (create_name_tags): New function.
4887         (compute_flow_sensitive_aliasing): Call it.
4888         (setup_pointers_and_addressables): Mark type tags for renaming
4889         here instead of ...
4890         (create_memory_tag): ... here.
4891         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
4892         (dump_points_to_info_for): Declare extern.
4893         (debug_points_to_info_for): New function.
4894
4895 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
4896
4897         * config/arc/arc.md: Switch to DFA-based scheduler description.
4898         * config/arc/arc.c: Switch to DFA-based scheduler description.
4899
4900 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
4901
4902         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
4903         pointer.
4904
4905 2004-07-09  Richard Henderson  <rth@redhat.com>
4906
4907         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
4908         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
4909         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
4910         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
4911
4912         * config/v850/v850-protos.h (v850_va_arg): Remove.
4913         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
4914         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
4915         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
4916         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
4917         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
4918
4919 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
4920
4921         PR target/12133
4922         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
4923         and DImode to use +/-4k offset.
4924
4925 2004-07-09  Richard Henderson  <rth@redhat.com>
4926
4927         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
4928         Remove.
4929         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
4930         (xstormy16_gimplify_va_arg_expr): Rewrite from
4931         xstormy16_expand_builtin_va_arg.
4932         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
4933
4934         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
4935         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
4936
4937         * config/sh/sh-protos.h (sh_va_arg): Remove.
4938         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
4939         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
4940         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
4941
4942         * config/pa/pa-protos.h (hppa_va_arg): Remove.
4943         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
4944         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
4945         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
4946
4947         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
4948         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
4949         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
4950         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
4951
4952 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
4953
4954         * config/sparc/sparc.md (return): Rewrite length formula.
4955         * config/sparc/sparc.c (output_return): Pass 1 as 5th
4956         argument to final_scan_insn when in a delay slot.
4957         (output_sibcall): Likewise.
4958
4959 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
4960
4961         * arm.c (arm_cpp_interwork): New variable.
4962         (arm_override_options): Set it if TARGET_INTERWORK was on the command
4963         line.
4964         * arm.h (arm_cpp_interwork): Declare it.
4965         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
4966         __THUMB_INTERWORK__ in the preprocessor.
4967
4968 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
4969
4970         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
4971
4972 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
4973
4974         PR target/16416
4975         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
4976         Override default settings to account for -m32 and -m64.
4977
4978 2004-07-08  Randolph Chung  <tausq@debian.org>
4979
4980         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
4981
4982 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
4983
4984         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
4985         before comparing it as such.
4986
4987 2004-07-08  Richard Henderson  <rth@redhat.com>
4988
4989         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
4990         temporary.  Use bit arithmetic to align.
4991
4992 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
4993
4994         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
4995         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
4996         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
4997         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
4998         add_labels_and_missing_jumps, find_jump_block,
4999         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
5000         Likewise.
5001         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
5002         link_btr_uses, move_btr_def): Likewise.
5003         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
5004         expand_builtin_expect_jump): Likewise.
5005         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
5006         * calls.c (expand_call, emit_library_call_value_1): Likewise.
5007         * cfganal.c (forwarder_block_p): Likewise.
5008         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
5009         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
5010         find_bb_boundaries): Likewise.
5011         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
5012         merge_blocks_move_predecessor_nojumps,
5013         merge_blocks_move_successor_nojumps, insns_match_p,
5014         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
5015         try_optimize_cfg): Likewise.
5016         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
5017         * cfglayout.c (skip_insns_after_block, label_for_bb,
5018         record_effective_endpoints, insn_locators_initialize,
5019         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
5020         * cfgmainloop.c (create_loop_notes): Likewise.
5021         * cfgrtl.c (delete_insn, delete_insn_chain,
5022         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
5023         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
5024         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
5025         redirect_branch_edge, force_nonfallthru_and_redirect,
5026         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
5027         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
5028         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
5029         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
5030         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
5031         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
5032         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
5033         * combine.c (combine_instructions, can_combine_p, try_combine,
5034         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
5035         distribute_notes, distribute_links, insn_cuid): Likewise.
5036         * cse.c (fold_rtx, cse_insn, cse_around_loop,
5037         invalidate_skipped_block, cse_set_around_loop,
5038         cse_end_of_basic_block, cse_main, cse_basic_block,
5039         cse_condition_code_reg): Likewise.
5040         * cselib.c (cselib_process_insn): Likewise.
5041         * ddg.c (create_ddg): Likewise.
5042         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
5043         Likewise.
5044         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
5045         gen_label_die, dwarf2out_var_location): Likewise.
5046         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
5047         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
5048         last_call_insn, active_insn_p, next_label, prev_label,
5049         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
5050         add_insn_before, remove_insn, add_function_usage_to,
5051         reorder_insns, find_line_note, remove_unnecessary_notes,
5052         emit_insn_after_1, classify_insn): Likewise.
5053         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
5054         connect_post_landing_pads, sjlj_mark_call_sites,
5055         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
5056         can_throw_internal, can_throw_external, set_nothrow_function_flags,
5057         convert_to_eh_region_ranges): Likewise.
5058         * explow.c (optimize_save_area_alloca): Likewise.
5059         * expr.c (expand_expr_real): Likewise.
5060         * final.c (insn_current_reference_address, compute_alignments,
5061         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
5062         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
5063         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
5064         propagate_block_delete_insn, propagate_one_insn,
5065         init_propagate_block_info, propagate_block, libcall_dead_p,
5066         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
5067         Likewise.
5068         * function.c (instantiate_virtual_regs, reorder_blocks_1,
5069         expand_function_start, expand_function_end, contains,
5070         thread_prologue_and_epilogue_insns,
5071         reposition_prologue_and_epilogue_notes): Likewise.
5072         * gcse.c (constprop_register, bypass_conditional_jumps,
5073         insert_insn_end_bb, gcse_after_reload): Likewise.
5074         * genemit.c (gen_expand, gen_split): Likewise.
5075         * genpeep.c (gen_peephole, main): Likewise.
5076         * global.c (build_insn_chain): Likewise.
5077         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
5078         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
5079         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
5080         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
5081         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
5082         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
5083         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
5084         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
5085         dead_or_predicable): Likewise.
5086         * integrate.c (try_constants): Likewise.
5087         * jump.c (rebuild_jump_labels, cleanup_barriers,
5088         purge_line_number_notes, init_label_info, mark_all_labels,
5089         squeeze_notes, get_label_before, get_label_after,
5090         reversed_comparison_code_parts, simplejump_p, pc_set,
5091         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
5092         delete_barrier, delete_prior_computation, delete_computation,
5093         delete_related_insns, delete_for_peephole, redirect_jump):
5094         Likewise.
5095         * lcm.c (optimize_mode_switching): Likewise.
5096         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
5097         Likewise.
5098         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
5099         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
5100         * loop-iv.c (simplify_using_assignment): Likewise.
5101         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
5102         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
5103         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
5104         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
5105         check_insn_for_givs, check_final_value, update_giv_derive,
5106         basic_induction_var, product_cheap_p, check_dbra_loop,
5107         loop_insn_first_p, last_use_this_basic_block,
5108         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
5109         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
5110         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
5111         sms_schedule_by_order): Likewise.
5112         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
5113         * postreload.c (reload_cse_simplify_operands, reload_combine,
5114         reload_cse_move2add): Likewise.
5115         * predict.c (can_predict_insn_p, estimate_probability,
5116         expected_value_to_br_prob, process_note_predictions): Likewise.
5117         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
5118         * profile.c (branch_prob): Likewise.
5119         * ra-build.c (live_out_1, livethrough_conflicts_bb,
5120         detect_webs_set_in_cond_jump): Likewise.
5121         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
5122         ra_print_rtl_with_bb): Likewise.
5123         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
5124         * recog.c (next_insn_tests_no_inequality, find_single_use,
5125         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
5126         * reg-stack.c (next_flags_user, record_label_references,
5127         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
5128         compensate_edge, convert_regs_1): Likewise.
5129         * regclass.c (scan_one_insn): Likewise.
5130         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
5131         regmove_optimize, fixup_match_1, single_set_for_csa,
5132         combine_stack_adjustments_for_block): Likewise.
5133         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
5134         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
5135         find_equiv_reg): Likewise.
5136         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
5137         reload_as_needed, emit_input_reload_insns, do_output_reload,
5138         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
5139         Likewise.
5140         * reorg.c (find_end_label, emit_delay_sequence,
5141         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
5142         get_jump_flags, rare_destination, mostly_true_jump,
5143         try_merge_delay_insns, redundant_insn, own_thread_p,
5144         fill_simple_delay_slots, fill_slots_from_thread,
5145         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
5146         dbr_schedule): Likewise.
5147         * resource.c (find_basic_block, next_insn_no_annul,
5148         find_dead_or_set_registers, mark_target_live_regs): Likewise.
5149         * rtl.h (RTX_PREV): Likewise.
5150         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
5151         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
5152         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
5153         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
5154         tablejump_p, computed_jump_p, insns_safe_to_move_p,
5155         find_first_parameter_load, can_hoist_insn_p): Likewise.
5156         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
5157         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
5158         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
5159         schedule_ebbs): Likewise.
5160         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
5161         is_conditionally_protected, can_schedule_ready_p,
5162         add_branch_dependences, debug_dependencies): Likewise.
5163         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
5164         Likewise.
5165         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
5166         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
5167         set_dominates_use, ujump_to_loop_cont): Likewise.
5168         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
5169         * varasm.c (output_constant_pool_1): Likewise.
5170
5171 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5172
5173         * tree-scalar-evolution.c: New file.
5174         * tree-scalar-evolution.h: New file.
5175         * tree-ssa-loop-niter.c: New file.
5176         * Makefile.in (SCEV_H): New.
5177         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
5178         * cfgloop.h (struct loop): Add bounds field.
5179         * tree-flow.h (struct tree_niter_desc): New type.
5180         (number_of_iterations_cond, number_of_iterations_exit,
5181         loop_niter_by_eval, find_loop_niter_by_eval,
5182         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
5183         free_numbers_of_iterations_estimates): Declare.
5184         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
5185         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
5186         * doc/invoke.texi (max-iterations-to-track): Document.
5187
5188 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
5189
5190         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
5191         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
5192         (MODE_AFTER): Add cast appropriately.
5193         * config/sh/sh.md (movdi splitter): Likewise.
5194         (casesi_worker_2): Add const qualifier appropriately.
5195         (eh_return): Remove unused variable.
5196         (insv): Initialize v;
5197
5198 2004-07-08  Richard Henderson  <rth@redhat.com>
5199
5200         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
5201         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
5202         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
5203         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
5204         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
5205
5206         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
5207         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
5208         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
5209         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
5210
5211         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
5212         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
5213         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
5214         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
5215
5216         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
5217         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
5218         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
5219         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
5220
5221         * config/i860/i860-protos.h (i860_va_arg): Remove.
5222         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
5223         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
5224         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
5225
5226 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
5227
5228         * system.h: Prototype getpagesize if missing.
5229         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
5230         * configure: Regenerate.
5231         * config.in: Regenerate.
5232
5233 2004-07-08  Richard Henderson  <rth@redhat.com>
5234
5235         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
5236         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
5237         (fr30_gimplify_va_arg_expr): New.
5238         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
5239         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
5240
5241 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
5242
5243         PR target/16414
5244         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
5245         of asm_noperands result.
5246
5247 2004-07-08  Richard Henderson  <rth@redhat.com>
5248
5249         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
5250         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
5251         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
5252         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
5253
5254 2004-07-08  Richard Henderson  <rth@redhat.com>
5255
5256         * builtins.c (ind_gimplify_va_arg_expr): New.
5257         * tree.h (ind_gimplify_va_arg_expr): Declare.
5258         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
5259
5260 2004-07-08  Jan Beulich  <jbeulich@novell.com>
5261
5262         * expmed.c (extract_bit_field): Correct condition to use vec_extract
5263         patterns also on vector elements other than the first one.
5264         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
5265         break statements.
5266
5267 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
5268
5269         * config/rs6000/darwin-ldouble.c: Correct reference
5270         to the Linnainmaa paper.
5271
5272 2004-07-08  Richard Henderson  <rth@redhat.com>
5273
5274         * config/arc/arc-protos.h (arc_va_arg): Remove.
5275         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
5276         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
5277         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
5278
5279         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
5280         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
5281         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
5282         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
5283
5284 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5285
5286         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
5287
5288 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
5289
5290         * c-decl.c (static_ctors, static_dtors): Make static.
5291         (pop_file_scope): Call c_common_write_pch and
5292         cgraph_finalize_compilation_unit here.
5293         (build_cdtor): Moved here from c-objc-common.c; simplify.
5294         (c_write_global_declarations_1): Clarify comment.
5295         (c_write_global_declarations): Close the external scope before
5296         doing anything else.  Call build_cdtor, cgraph_optimize, and
5297         mudflap_finish_file here.
5298         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
5299         Clarify comment.
5300         * c-objc-common.c: No need to include cgraph.h.
5301         (build_cdtor): Moved to c-decl.c.
5302         (c_objc_common_finish_file): Delete.
5303         * c-tree.h: Update to match.
5304         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
5305         (generate_static_references): Set TREE_USED before calling finish_decl.
5306         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
5307         on the static_instances_decl.
5308
5309 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
5310
5311         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
5312         decls when there is only one input translation unit.
5313         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
5314         change of 2004-07-05; do not treat declarations with
5315         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
5316         * opts.c (cur_in_fname): Delete.
5317         * opts.h: Likewise.
5318         * tree.c: Revert changes of 2004-07-05; no special treatment
5319         for TRANSLATION_UNIT_DECLs.
5320         * Makefile.in (tree.o): Update dependencies.
5321
5322 2004-07-08  Roger Sayle  <roger@eyesopen.com>
5323
5324         * builtins.c (fold_builtin_strcpy): Merge functionality from
5325         simplify_builtin_strcpy.  Add additional len argument.  No longer
5326         static.  Remove function prototype.
5327         (fold_builtin_strncpy): Likewise integrate functionality from
5328         simplify_builtin_strncpy.  Add additional slen argument.  No
5329         longer static.  Remove function prototype.
5330         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
5331         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
5332         types of "ignore" and "unlocked" parameters to bool.
5333         (fold_builtin_1):  Add additional ignore argument.  Call renamed
5334         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
5335         builtins.  Update arguments to fold_builtin_strncpy and
5336         fold_builtin_strcpy.  Add function prototype.
5337         (fold_builtin): Add additional Boolean ignore argument to pass
5338         to fold_builtin_1.
5339         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
5340         and fold_builtin_strncpy instead of simplify_builtin_fputs,
5341         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
5342
5343         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
5344         simplify_builtin_strncpy): Delete function prototypes.
5345         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
5346         fold_builtin_strncpy): Add function prototypes here.
5347         (fold_builtin): Update function prototype with new "bool ignore".
5348
5349         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
5350         (ccp_fold_builtin):  Update call to fold_builtin.  Call
5351         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
5352         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
5353         simplify_builtin_strncpy respectively.
5354         * fold-const.c (fold): Update call to fold_builtin.
5355
5356 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
5357
5358         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
5359         to strcpy.
5360
5361         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
5362         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
5363         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
5364         * calls.c: Remove ifdefs of macros above.
5365         * functions.c: Likewise.
5366         * expr.c: Likewise.
5367
5368 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
5369
5370         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
5371         (arch attribute): Delete.
5372         (current_function_calls_alloca attribute): Rename into calls_alloca.
5373         (calls_eh_return): New attribute.
5374         (leaf_function): Likewise.
5375         (length attribute): Fix formula for sibcalls.
5376         (return insn): Correctly compute the 'length' attribute.
5377         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
5378
5379 2004-07-08  Richard Henderson  <rth@redhat.com>
5380
5381         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
5382         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
5383         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
5384         * tree-eh.c (lower_eh_constructs_1): Likewise.
5385         * tree-sra.c (sra_walk_modify_expr): Likewise.
5386         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
5387         (eliminate_unnecessary_stmts): Likewise.
5388         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
5389         * tree-tailcall.c (optimize_tail_call): Likewise.
5390         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
5391
5392 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
5393             Jakub Jelinek  <jakub@redhat.com>
5394
5395         * config/i386/i386.c (override_options): Enable
5396         SSE prefetches with -mtune, as long as we are
5397         compiling for i686 or higher.  All i686 processors
5398         accept SSE prefetches as NOPS, some i586's don't.
5399
5400 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
5401
5402         PR target/10567
5403         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
5404
5405 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
5406
5407         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
5408         the handling of clobbering ASM_EXPRs.
5409
5410 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
5411
5412         PR target/16430
5413         * config/sparc/sparc.c (function_value): In 64-bit mode,
5414         return the aggregates larger than 16 bytes like unions.
5415
5416 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
5417
5418         PR target/16199
5419         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
5420         'temp' is zero, generate new pseudos as needed and emit the
5421         sequence of insns in single-assignment form.  Resync comments
5422         with code.
5423         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
5424         function before reload.
5425
5426 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
5427
5428         * vec.c (vec_assert_fail): Remove duplicate 'function'.
5429
5430         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
5431
5432         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
5433         Allocation is signed.
5434         (VEC_reserve): Return flag, allocation is signed.
5435
5436 2004-07-08  Richard Henderson  <rth@redhat.com>
5437
5438         * tree-ssa-ccp.c (fold_stmt): Get type directly from
5439         OBJ_TYPE_REF_OBJECT.
5440
5441 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
5442             Neil Booth  <neil@daikokuya.co.uk>
5443
5444         PR c/2511
5445         PR c/3325
5446         * c-decl.c (finish_struct): Ensure bit-fields are given the
5447         correct type.
5448         * c-common.c (c_common_signed_or_unsigned_type): For C, require
5449         the precision to match as well as the mode.
5450         * expr.c (reduce_to_bit_field_precision): New function.
5451         (expand_expr_real_1): Reduce expressions of bit-field type to
5452         proper precision.
5453         * langhooks.h (reduce_bit_field_operations): New hook.
5454         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
5455         Define.
5456         * c-lang.c, objc/objc-lang.c
5457         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
5458         * objc/objc-act.c (check_ivars): Convert types to bit-field types
5459         before checking.
5460         * tree.c (build_nonstandard_integer_type): New function.
5461         * tree.h (build_nonstandard_integer_type): New prototype.
5462         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
5463         conversions between integer and boolean types as useless.
5464
5465 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
5466
5467         * c-common.c (c_common_nodes_and_builtins): Do not
5468         create __builtin_ptrdiff_t and __builtin_size_t.
5469
5470 2004-07-08  Andrew Pinski  <apinski@apple.com>
5471
5472         * Makefile.in (libbackend.o): Add -combine to the gcc
5473         command line.
5474
5475 2004-07-08  Nick Clifton  <nickc@redhat.com>
5476
5477         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
5478         Set to -Os.
5479
5480 2004-07-08  Richard Henderson  <rth@redhat.com>
5481
5482         * except.c (expand_eh_region_start, expand_eh_region_end,
5483         expand_eh_handler, expand_eh_region_end_cleanup,
5484         expand_start_all_catch, expand_start_catch, expand_end_catch,
5485         expand_end_all_catch, expand_eh_region_end_allowed,
5486         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
5487         expand_eh_region_end_fixup): Remove.
5488         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
5489         cleanups, outer_cleanups, label_chain, exception_region.
5490         (struct goto_fixup): Remove stack_level, cleanup_list_list.
5491         (struct label_chain): Remove.
5492         (struct stmt_status): Remove x_stack_block_stack.
5493         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
5494         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
5495         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
5496         end_cleanup_deferral, last_cleanup_this_contour,
5497         containing_blocks_have_cleanups_or_stack_level,
5498         any_pending_cleanups): Remove.
5499         (expand_null_return_1): Take no arguments.
5500         (expand_label, expand_naked_return, expand_return,
5501         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
5502         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
5503         expand_end_case_type): Don't use any of them.
5504         * calls.c (expand_call): Likewise.
5505         * dojump.c (do_jump): Likewise.
5506         * function.c (expand_function_end): Likewise.
5507         * expr.c (store_expr, expand_expr_real_1): Likewise.
5508         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
5509         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
5510         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
5511         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
5512         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
5513         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
5514         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
5515         for WITH_CLEANUP_EXPR.
5516         (gimple_push_cleanup): Likewise.
5517         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
5518         * print-tree.c (print_node): Likewise.
5519         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
5520         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
5521         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
5522         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
5523         (GOTO_SUBROUTINE_EXPR): Remove.
5524         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
5525         (DECL_TOO_LATE): Remove.
5526         * except.h, tree.h: Update decls.
5527
5528 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
5529
5530         * explow.c (optimize_save_area_alloca): Do not accept parameters.
5531         * passes.c (rest_of_handle_final): Handle symout.
5532         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
5533         Push timevar here.
5534         (rest_of_handle_sched): Break out SMS.  Remove ifs for
5535         flag_schedule_insns and flag_modulo_sched.
5536         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
5537         collect at the end.
5538         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
5539         (rest_of_handle_partition_blocks, rest_of_handle_sms,
5540         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
5541         rest_of_handle_mode_switching, rest_of_handle_jump,
5542         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
5543         rest_of_handle_jump2, rest_of_handle_postreload,
5544         rest_of_handle_flow2, rest_of_clean_state,
5545         rest_of_handle_shorten_branches,
5546         rest_of_handle_prologue_epilogue,
5547         rest_of_handle_branch_target_load_optimize): New.
5548         (rest_of_compilation): Call the above.  Remove ggc_collect
5549         calls moved to rest_of_handle_*.
5550         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
5551
5552         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
5553         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
5554         * except.h (set_nothrow_function_flags): Update comment.
5555         * function.c (current_function_nothrow): Remove.
5556         * output.h (current_function_nothrow): Remove.
5557         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
5558         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
5559
5560 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
5561
5562         PR bootstrap/16326
5563         * reorg.c: Revert 2004-06-30 change.
5564         (find_end_label): If HAVE_epilogue and !HAVE_return,
5565         return 0 instead of creating a label at the end of the insn chain.
5566         (optimize_skip): Account for the failure mode of find_end_label.
5567         (fill_simple_delay_slots): Likewise.
5568         (fill_slots_from_thread): Likewise.
5569         (relax_delay_slots): Likewise.
5570
5571 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
5572
5573         * tree-flow.h (addressable_vars): Declare.
5574         * tree-ssa-alias.c (addressable_vars): Define.
5575         (setup_pointers_and_addressables): Add addressable variables
5576         to addressable_vars.
5577         * tree-ssa-operands.c (get_stmt_operands): Move
5578         handling of ASM_EXPRs ...
5579         (get_asm_expr_operands): ... here.
5580         When the ASM_EXPR clobbers memory, also clobber addressable
5581         variables.
5582         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
5583         (delete_tree_ssa): Reset addressable_vars.
5584
5585 2004-07-07  Jan Beulich  <jbeulich@novell.com>
5586             Richard Henderson  <rth@redhat.com>
5587
5588         * varasm.c (assemble_variable): Use assemble_zeros for
5589         zero-initialized variables.
5590         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
5591         for SECCAT_BSS and SECCAT_TBSS.
5592
5593 2004-07-07  Jan Beulich  <jbeulich@novell.com>
5594
5595         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
5596
5597         * expmed.c (emit_store_flag): Also special-case double-word
5598         (in-)equality comparison against -1.
5599
5600         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
5601         passing arguments the containers for which are registers.
5602
5603         * calls.c (emit_library_call_value_1): Use mode of function parameter
5604         rather than that of argument since constants have none.
5605
5606 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
5607
5608         Introduce H8SX support.
5609         * expr.c (expand_strcpy): Renamed and moved to...
5610         * builtins.c (expand_movstr): ... here.  Tweak.
5611         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
5612         computed or has side effects.
5613         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
5614         unused, or if mempcpy fails.  Adjust the return value in the
5615         latter case.  Use movstr if everything else fails.
5616         * doc/md.texi (movstr): Document.
5617         (movmemM, clrmemM): Fix explanation of memory block operands.
5618         * config/h8300/h8300.md (stpcpy): Renamed to...
5619         (movstr): ... this.  Adjust.
5620         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
5621         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
5622         movmem* and clrstr* to clrmem*.
5623         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
5624         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
5625         GENERAL_REGS, always.
5626         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
5627         getting the stack pointer as addr.
5628         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
5629         from general_operand_dst.
5630         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
5631         variant of...
5632         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
5633         instead of requiring it to match only before reload.
5634         (stpcpy_internal_normal): New, normal-mode variant of...
5635         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
5636         `D' instead of requiring it to match only before reload.
5637         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
5638         mode argument.
5639         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
5640         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
5641         h8300_get_index.
5642         * config/h8300/h8300.md (attr type): Add call.
5643         (attr can_delay): If type is call, set it no.
5644         (call, call_value): Set type to call.
5645         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
5646         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
5647         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
5648         * tree.c (get_narrower): Don't narrow integral types into
5649         non-integral types.
5650         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
5651         frame_size *before* the first use.
5652         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
5653         on input.
5654         (peephole2): Don't widen instructions that push SP.  Move
5655         decrement of SP to the end of all stm-generating peepholes.
5656         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
5657         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
5658         and OR to set it to all ones.
5659         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
5660         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
5661         (call, call_value): Set can_delay to "no".
5662         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
5663         * config/h8300/h8300.md (extzv): Make subreg check more robust.
5664         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
5665         * config/h8300/h8300.md (*brabit): Remove.
5666         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
5667         zero_extract.  Use bit_memory_operand as the predicate for
5668         operand 1 and 'WU' as the constraint.  Check the difference
5669         between the base length and the final one when deciding which
5670         type of branch to use.
5671         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
5672         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
5673         Use convert_move to extend the result for TARGET_H8300SX.  Check
5674         for QImode memory references.  Optimize the case where the
5675         destination is a paradoxical subreg.
5676         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
5677         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
5678         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
5679         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
5680         * config/h8300/h8300.md: Include mova.md
5681         (length_table): Add mova and mova_zero.
5682         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
5683         after all constant addresses for '%R', '%X', '%T' and '%S'.
5684         (h8300_mova_length): New function.
5685         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
5686         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
5687         dependencies for s-config, etc.
5688         * config/h8300/gemova.sh: New file.
5689         * config/h8300/mova.md: Generated.
5690         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
5691         * config/h8300/h8300.c (h8300_bitfield_length): New.
5692         (nibble_operand): Adjust.
5693         (h8300_binary_length): Handle conditional binary op.
5694         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
5695         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
5696         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
5697         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
5698         constraints.  WU is introduced as a variant of U that requires a
5699         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
5700         * config/h8300/h8300.md (attr type): Added bitbranch.
5701         (attr length_table): Added bitfield and bitbranch.
5702         (attr length): Compute bitbranch length.
5703         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
5704         least-significant bit of a byte.
5705         (brabit, brabc, brabs): New.
5706         (insv, extzv): Emit bfst and bfld on H8300SX.
5707         (bfld, bfst, seq, sne): New.
5708         (bstzhireg, cmpstz, bstz, bistz): New.
5709         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
5710         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
5711         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
5712         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
5713         (h8sx_unary_memory_operator): New function.
5714         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
5715         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
5716         * config/h8300/h8300.md: Add peepholes to combine reloads and
5717         arithmetic insns.
5718         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
5719         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
5720         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
5721         (and?i, ior?i, xor?i): Likewise.
5722         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
5723         * config/h8300/h8300.c: Move enums and prototypes to head of file.
5724         Various whitespace fixes.
5725         (h8300_constant_length): New function, split out from...
5726         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
5727         (h8300_classify_operand): Use IN_RANGE.
5728         (h8300_classify_operand): Use h8300_constant_length.
5729         (h8300_short_move_mem_p): Tighten size check.
5730         (h8sx_mergeable_memrefs_p): Tighten equality check.
5731         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
5732         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
5733         for -msx.
5734         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
5735         * config/h8300/crtn.asm: Likewise.
5736         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
5737         if __H8300SX__ is defined.
5738         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
5739         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
5740         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
5741         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
5742         addresses as mode-dependent.
5743         * config/h8300/h8300.c (print_operand_address): Update call to
5744         h8300_get_index.
5745         (h8300_get_index): Take a mode argument.  Rework to fix an
5746         earlier misunderstanding.
5747         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
5748         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
5749         into a register if TARGET_H8300SX.
5750         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
5751         TARGET_H8300SX.  Also disable related define_splits.
5752         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
5753         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
5754         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
5755         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
5756         * config/h8300/h8300.h (OK_FOR_Z): New macro.
5757         (EXTRA_CONSTRAINT_STR): Check it.
5758         * config/h8300/h8300.c (h8300_classify_operand): Accept null
5759         class arguments.
5760         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
5761         * config/h8300/h8300.md (length_table): Add mov_imm4.
5762         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
5763         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
5764         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
5765         be a label.
5766         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
5767         * config/h8300/h8300.c (h8300_reorg): New function.
5768         (TARGET_MACHINE_DEPENDENT_REORG): Define.
5769         * config/h8300/h8300.md (length): Subtract the length of the
5770         delay slot from (pc) when checking the range of forward branches.
5771         (delay_slot, can_delay): New attributes.
5772         (define_delay): Add bra/s handling.
5773         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
5774         (jump): Add delayed-branch handling.
5775         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
5776         * expr.c (expand_strcpy): New function.
5777         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
5778         (expand_builtin_stpcpy): Likewise.
5779         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
5780         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
5781         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
5782         handling to improve register allocation for -fno-omit-frame-pointer.
5783         (h8sx_split_movmd): Delete, moving er6 handling into...
5784         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
5785         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
5786         (movmd): Add calls to copy_rtx.
5787         (movmd_internal): In the second alternative, allow the initial and
5788         final destination registers to be different .  Update the splitter
5789         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
5790         instead of h8sx_split_movmd.
5791         (stpcpy, movsd): New expanders.
5792         (movsd_internal): New define_insn.
5793         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
5794         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
5795         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
5796         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
5797         and DESTINATION_REGS.
5798         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
5799         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
5800         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
5801         (h8300_move_ratio): Declare.
5802         (MOVE_RATIO): Use it.
5803         * config/h8300/h8300.c (h8300_move_ratio): New variable.
5804         (h8300_init_once): Initialize it.
5805         (h8300_reg_class_from_letter): New function.
5806         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
5807         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
5808         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
5809         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
5810         (movstrsi, movmd): New expanders.
5811         (movmd_internal): New insn.
5812         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
5813         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
5814         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
5815         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
5816         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
5817         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
5818         * config/h8300/h8300.c (nibble_operand): Fix warning.
5819         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
5820         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
5821         (movsf_h8300h): Disable for TARGET_H8300SX.
5822         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
5823         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
5824         h8300_stm_parallel and h8300_return_parallel.
5825         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
5826         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
5827         h8300_stm_parallel, h8300_return_parallel): New functions.
5828         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
5829         if TARGET_H8300SX.  Use h8300_push_pop.
5830         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
5831         and final pop when generating h8sx code.  Always emit some form
5832         of return insn.
5833         * config/h8300/h8300.md: Don't enforce register alignment in
5834         stm peepholes if TARGET_H8300SX.
5835         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
5836         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
5837         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
5838         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
5839         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
5840         (MULTILIB_DIRNAMES): Add a directory for it.
5841         (MULTILIB_MATCHES): Delete.
5842         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
5843         * final.c (walk_alter_subreg): Handle addresses with subregs
5844         inside a ZERO_EXTEND or AND.
5845         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
5846         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
5847         if TARGET_H8300SX.
5848         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
5849         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
5850         @(dd,Rn.w) and @(dd,ERn.L).
5851         (h8300_displacement_size): Take the whole address as argument.
5852         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
5853         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
5854         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
5855         (h8sx_mergeable_memrefs_p): Declare.
5856         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
5857         (HAVE_PRE_INCREMENT): Likewise.
5858         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
5859         addresses for TARGET_H8300SX,
5860         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
5861         and POST_DEC.
5862         (movb_length_table, movl_length_table): New tables.
5863         (movw_length_table): Define to movb_length_table.
5864         (h8300_displacement_size): New, split out from...
5865         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
5866         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
5867         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
5868         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
5869         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
5870         (compute_plussi_length, compute_plussi_cc): Update accordingly.
5871         (h8sx_unary_shift_operator): Get the mode from the operator.
5872         (binary_shift_operator): Likewise.
5873         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
5874         a memory reference, check whether the reference is offsettable.
5875         (length_table): Add movb, movw and movl.
5876         (movqi): Add new h8sx pattern.  Don't force one operand to be a
5877         register when generating h8sx code.
5878         (movhi, movsi, movsf): Likewise.
5879         (movstrictqi): Use the length_table attribute.
5880         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
5881         (addqi3): Split into a define_expand and define_insn.  Don't accept
5882         memory operands in the expander.  Use h8300_operands_match_p to
5883         check for matching operands in the define_insn.
5884         (subqi3, negqi2, one_cmplqi2): Likewise.
5885         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
5886         in any patterns that are unused in h8sx code.  In the h8sx patterns,
5887         use h8300_operands_match_p to check whether operands match.
5888         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
5889         one_cmpl[hs]i3): Likewise.
5890         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
5891         in the expander.
5892         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
5893         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
5894         (h8300_insn_length_from_table): Add a second parameter.
5895         (output_h8sx_shift): Declare.
5896         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
5897         (EXTRA_CONSTRAINT): Replace with...
5898         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
5899         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
5900         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
5901         and h8sx_binary_shift_operator.
5902         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
5903         for TARGET_H8300SX.
5904         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
5905         (bit_memory_operand, fix_bit_operand): Likewise.
5906         (h8300_length_table_for_insn): Remove.
5907         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
5908         instructions.
5909         (h8300_short_immediate_length, h8300_binary_length): New functions.
5910         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
5911         (output_plussi): Use sub to add negative constants.
5912         (compute_plussi_length): Adjust accordingly.
5913         (h8sx_single_shift_type): New enum.
5914         (h8sx_single_shift, h8sx_unary_shift_operator,
5915         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
5916         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
5917         single h8sx instruction.  Return false in this case.
5918         * config/h8300/h8300.md (length_table): Add short_immediate.
5919         (length): Pass the operand array to h8300_insn_length_from_table.
5920         (adjust_length): Assume "no" for insns with a length_table attribute.
5921         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
5922         (*addhi3_h8300hs): Don't use for h8sx.
5923         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
5924         and sub.w #xx:3.
5925         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
5926         1's predicate to nonimmediate_operand.  Only skip default expansion
5927         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
5928         for single h8sx shift instructions.
5929         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
5930         * config/h8300/h8300.c (nibble_operand): Split out of...
5931         (reg_or_nibble_operand): ... this.
5932         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
5933         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
5934         umulhisi3): Introduce expand, and introduce separate insns for
5935         sign- or zero-extended REG and already-extended CONST_INT.
5936         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
5937         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
5938         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
5939         (subhi3): Likewise.  Don't accept immediates for operand 1.
5940         Remove the early clobber from second alternative of the h8300s pattern.
5941         (subsi3): Generalize for h8sx.  Force operand 2 into a register
5942         on plain h8300 targets.
5943         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
5944         (subsi3_h8300h): Generalize for h8sx.
5945         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
5946         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
5947         * config/h8300/h8300.c (reg_or_nibble_operand): New.
5948         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
5949         (TARGET_H8300SXMUL): New.
5950         (CONST_OK_FOR_P): New.
5951         (CONST_OK_FOR_LETTER_P): Adjust.
5952         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
5953         umulhisi3): Accept 4-bit immediate on H8SX.
5954         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
5955         (udivsi3, divhi3, udivsi3, divsi3): New.
5956         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
5957         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
5958         * config/h8300/h8300.h (OK_FOR_Q): New macro.
5959         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
5960         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
5961         Add ADDRESSOF to the bit_operand entry.
5962         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
5963         (h8300_src_operand): Likewise.
5964         (bit_operand): Check nonimmediate_operand rather than general_operand.
5965         Accept any nonimmediate_operand in h8sx code.
5966         (h8300_and_costs): Initialize operands[1].
5967         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
5968         (h8300_operand_class): New enum.
5969         (h8300_length_table): New typedef.
5970         (addb_length_table, addw_length_table, addl_length_table,
5971         logicl_length_table): New tables.
5972         (logicb_length_table, logicw_length_table): New macros.
5973         (h8300_classify_operand, h8300_length_from_table,
5974         h8300_length_table_for_insn, h8300_unary_length,
5975         h8300_insn_length_from_table): New functions.
5976         (output_plussi): Only use adds and subs for register destinations.
5977         Disable redundant clause.
5978         (compute_plussi_cc): Likewise.
5979         (compute_plussi_length): Likewise.  Use h8300_length_from_table
5980         to work out the length of an insn.
5981         (output_logical_op): Only use narrower immediate instructions
5982         if the destination is a register.
5983         (compute_logical_op_cc): Likewise.
5984         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
5985         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
5986         * config/h8300/h8300.md (length_table): New attribute.
5987         (length): When an instruction has a length_table attribute, use
5988         h8300_insn_length_from_table to calculate its default length.
5989         (cmpqi): Use h8300_dst_operand for the first operand and
5990         h8300_src_operand for the second.
5991         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
5992         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
5993         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
5994         iorsi3, xorhi3, xorsi3): Likewise.
5995         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
5996         so that it allows any combination of operands for TARGET_H8300SX.
5997         (iorqi3, xorqi3): Likewise.
5998         (cmpqi): Use the length_table attribute.
5999         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
6000         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
6001         (cmpqi): Add 'Q' constraint.
6002         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
6003         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
6004         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
6005         * config/h8300/h8300.h (MASK_H8300SX): New macro.
6006         (TARGET_H8300S): True for both -ms and -msx.
6007         (TARGET_H8300SX): New macro.
6008         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
6009         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
6010         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
6011         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
6012         [Temporary change.]
6013         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
6014         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
6015         16-bit pointers and 32-bit ints.
6016         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
6017         CONST_DOUBLE with mode no wider than SImode.
6018         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
6019         output operand.
6020         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
6021         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
6022         or SUBREG thereof.
6023         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
6024         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
6025         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
6026
6027 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
6028
6029         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
6030
6031 2004-07-07  Per Bothner  <per@bothner.com>
6032
6033         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
6034
6035 2004-07-07  Mike Stump  <mrs@apple.com>
6036
6037         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
6038         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
6039         (machopic_finish): Likewise.
6040
6041 2004-07-07  Richard Henderson  <rth@redhat.com>
6042
6043         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
6044         through any value-preserving cast.
6045
6046 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
6047
6048         * function.c (assign_parm_find_data_types): Call
6049         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
6050
6051 2004-07-07  Steven Bosscher  <stevenb@suse.de>
6052
6053         * tree-cfg.c (group_case_labels): Remove case labels that have
6054         the same target as the default case.
6055
6056 2004-07-07  Steven Bosscher  <stevenb@suse.de>
6057
6058         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
6059         regardless of DECL_LANG_SPECIFIC being present or not.
6060         * tree.h (DECL_NUM_STMTS): Purge.
6061
6062 2004-07-07  Andrew Pinski  <apinski@apple.com>
6063
6064         * configure: Regenerate with the right autoconf.
6065
6066 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
6067
6068         * ifcvt.c (total_bb_rtx_cost): New function.
6069         (find_if_case_1): Compare rtx_cost of basic block to cost of
6070         BRANCH_COST insns.
6071         (find_if_case_2): Same.
6072
6073 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6074
6075         PR target/10567
6076         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
6077         (output_return): Likewise.
6078         (output_sibcall): Abort if !flag_delayed_branch.
6079         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
6080         (emit_and_preserve): New function.
6081         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
6082         indirect jump to the thunked-to function if !flag_delayed_branch.
6083         * config/sparc/sparc.md (delayed_branch): New attribute.
6084         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
6085         attribute to compute the length of the insn.
6086         (goto_handler_and_restore): Likewise.
6087
6088 2004-07-07  Andrew Pinski  <apinski@apple.com>
6089
6090         PR tree-optimization/15777
6091         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
6092
6093         * expr.c (expand_expr_real_1): Fix formating.
6094         BUFFER_REF and IN_EXPR are dead.
6095         * fold-const.c (non_lvalue): BUFFER_REF is dead.
6096         * tree-inline.c (estimate_num_insns_1): Likewise.
6097         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
6098         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
6099         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
6100
6101 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
6102
6103         * collect2.c (dump_file): Don't call cplus_demangle if
6104         HAVE_LD_DEMANGLE is defined.
6105         (main): Pass "--demangle" to ld if no_demangle is not 0 and
6106         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
6107         if HAVE_LD_DEMANGLE is defined.
6108
6109         * configure.ac (--with-demangler-in-ld): Added
6110         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
6111         --with-demangler-in-ld is used.
6112         * config.in: Regenerated.
6113         * configure: Likewise.
6114
6115 2004-07-07  Roger Sayle  <roger@eyesopen.com>
6116
6117         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
6118         for simple floating point operations "fp", double precision
6119         multiplication "dmul", and single and double precision division
6120         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
6121         (ppc630_cost): New table split from ppc620_cost, to distinguish
6122         differences in floating point latencies.
6123         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
6124         (rs6000_rtx_costs): Add support for single and double precision
6125         floating point addition, subtraction, multiplication, division,
6126         fused-multiply-add, fused-multiply-sub, negation, absolute value
6127         and negative absolute value.  Tweak MEM case to use prefered idiom.
6128
6129 2004-07-07  Richard Henderson  <rth@redhat.com>
6130
6131         * tree-flow-inline.h (may_propagate_copy): Move...
6132         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
6133         attempt to copy between types requiring conversion.
6134         * tree-flow.h (may_propagate_copy): Update decl.
6135         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
6136
6137 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
6138
6139         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
6140         from -mtune= option.
6141
6142 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
6143
6144         * builtins.c: Rename movstr*, except for movstrict*, to
6145         movmem* and clrstr* to clrmem*.
6146         * expr.c: Likewise.
6147         * expr.h: Likewise.
6148         * genopinit.c: Likewise.
6149         * integrate.c: Likewise.
6150         * local-alloc.c: Likewise.
6151         * optabs.c: Likewise.
6152         * optabs.h: Likewise.
6153         * config/alpha/alpha.h: Likewise.
6154         * config/alpha/alpha.md: Likewise.
6155         * config/arm/arm-protos.h: Likewise.
6156         * config/arm/arm.c: Likewise.
6157         * config/arm/arm.md: Likewise.
6158         * config/avr/avr.md: Likewise.
6159         * config/c4x/c4x.c: Likewise.
6160         * config/c4x/c4x.md: Likewise.
6161         * config/frv/frv.md: Likewise.
6162         * config/i386/i386-protos.h: Likewise.
6163         * config/i386/i386.c: Likewise.
6164         * config/i386/i386.h: Likewise.
6165         * config/i386/i386.md: Likewise.
6166         * config/i860/i860.c: Likewise.
6167         * config/i860/i860.md: Likewise.
6168         * config/ip2k/ip2k.md: Likewise.
6169         * config/ip2k/libgcc.S: Likewise.
6170         * config/ip2k/t-ip2k: Likewise.
6171         * config/m32r/m32r.c: Likewise.
6172         * config/m32r/m32r.md: Likewise.
6173         * config/mcore/mcore.md: Likewise.
6174         * config/mips/mips.c: Likewise.
6175         * config/mips/mips.md: Likewise.
6176         * config/ns32k/ns32k.c: Likewise.
6177         * config/ns32k/ns32k.h: Likewise.
6178         * config/ns32k/ns32k.md: Likewise.
6179         * config/pa/pa.c: Likewise.
6180         * config/pa/pa.md: Likewise.
6181         * config/pdp11/pdp11.h: Likewise.
6182         * config/pdp11/pdp11.md: Likewise.
6183         * config/rs6000/rs6000.c: Likewise.
6184         * config/rs6000/rs6000.md: Likewise.
6185         * config/s390/s390-protos.h: Likewise.
6186         * config/s390/s390.c: Likewise.
6187         * config/s390/s390.md: Likewise.
6188         * config/sh/lib1funcs.asm: Likewise.
6189         * config/sh/sh.c: Likewise.
6190         * config/sh/sh.md: Likewise.
6191         * config/sh/t-sh: Likewise.
6192         * config/sparc/sparc.h: Likewise.
6193         * config/vax/vax.md: Likewise.
6194         * config/xtensa/xtensa.c: Likewise.
6195         * config/xtensa/xtensa.md: Likewise.
6196         * doc/invoke.texi: Likewise.
6197         * doc/md.texi: Likewise.
6198         * doc/rtl.texi: Likewise.
6199
6200 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
6201
6202         PR target/16407
6203         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
6204         * config/mips/mips.c (mips_declare_common_object): New function,
6205         mostly split out from...
6206         (mips_output_aligned_decl_common): ...here.
6207         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
6208         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
6209         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
6210         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
6211
6212 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6213
6214         PR c/16392
6215         * function.c (assign_parms): Fix typo from previous change.
6216
6217 2004-07-07  Jason Merrill  <jason@redhat.com>
6218
6219         PR c++/15815
6220         * doc/extend.texi (C++ Interface): Correct information and
6221         discourage use.
6222
6223 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
6224
6225         PR target/16130
6226         PR target/16142
6227         PR target/16143
6228         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
6229         insn.
6230
6231 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
6232
6233         PR target/1679.
6234         * config/m32r/m32r.c (m32r_function_symbol): New function:
6235         Generate a symbol name RTX with the correct m32r specific flags
6236         set.
6237         (block_move_call): Use new function to generate correct symbol.
6238         * config/m32r/m32r-protos.h: Add prototype for new funcion.
6239         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
6240         function.
6241
6242 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
6243
6244         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
6245         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
6246         TYPE_BINFO_BASETYPE): Remove.
6247         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
6248         to ...
6249         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
6250         here.
6251         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
6252         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
6253         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
6254         (struct tree_binfo): Rename base_types to base_binfos.
6255         * alias.c (record_component_aliases): Adjust BINFO macros.
6256         * dbxout.c (dbxout_type): Likewise.
6257         * dwarf2out.c (gen_member_die): Likewise.
6258         * sdbout.c (sdbout_one_type): Likewise.
6259         * tree-dump.c (deque_and_dump): Likewise.
6260         * config/i386/i386.c (classify_argument,
6261         contains_128bit_aligned_vector_p): Likewise.
6262
6263 2004-07-07  Nick Clifton  <nickc@redhat.com>
6264
6265         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
6266         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
6267
6268 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
6269
6270         * vec.h: Fix the example use.
6271
6272 2004-07-06  Richard Henderson  <rth@redhat.com>
6273
6274         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
6275         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
6276         * tree-inline.c (copy_body_r, setup_one_parameter,
6277         initialize_inlined_parameters, expand_call_inline,
6278         declare_inline_vars): Don't check it.
6279         (expand_calls_inline): Remove old version, rename new version
6280         from gimple_expand_calls_inline.
6281         * tree-optimize.c (execute_gimple): Remove.
6282         (pass_gimple): Don't run anything.
6283
6284 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
6285
6286         * doc/sourcebuild.texi: Use semicolons instead of commas in
6287         section title.
6288
6289 2004-07-06  Richard Henderson  <rth@redhat.com>
6290
6291         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
6292         (sra_walk_modify_expr, scan_init): Likewise.
6293         (generate_element_zero): Check visited before scanning children.
6294         (generate_element_init): Set visited on error.
6295         (scalarize_init): Handle generate_element_init failure similar
6296         to use_block_copy.
6297
6298 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
6299
6300         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
6301         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
6302
6303 2004-07-06  Richard Henderson  <rth@redhat.com>
6304
6305         * config/i386/i386.c (legitimize_pic_address): Make static.
6306         (legitimize_address): Handle CONST with TLS operand.
6307         (ix86_expand_move): Don't call legitimize_pic_address directly.
6308         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
6309
6310 2004-07-06  Roger Sayle  <roger@eyesopen.com>
6311
6312         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
6313         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
6314         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
6315         is currently executed unconditionally, i.e. not in "else_bb".
6316
6317 2004-07-06  Steven Bosscher  <stevenb@suse.de>
6318
6319         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
6320         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
6321         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
6322         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
6323         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
6324         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
6325         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
6326         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
6327         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
6328         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
6329         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
6330         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
6331         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
6332         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
6333         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
6334         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
6335
6336 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
6337
6338         * dojump.c (do_jump): REFERENCE_EXPR is dead.
6339         * expr.c (expand_expr_real_1): Ditto.
6340         * tree-inline.c (estimate_num_insns_1): Ditto.
6341         * tree-pretty-print.c (dump_generic_node): Ditto.
6342         (op_symbol): Ditto.
6343         * tree.def: Ditto.
6344
6345 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
6346
6347         * tree-ssa-pre.c (reference_node_pool): New pool.
6348         (find_or_generate_expression): Class 'r' is okay too.
6349         (create_value_expr_from): Ditto.
6350         (add_to_sets): LHS should not include vuses.
6351         (eliminate): Ditto.
6352         (compute_avail): Reverse ordering of tests.
6353         Valuize INDIRECT_REF as well.
6354
6355 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
6356
6357         PR rtl-optimization/16380
6358         * loop.c (check_dbra_loop): Sink comparison instructions if they
6359         do something other than set cc0.
6360
6361 2004-07-06  James E Wilson  <wilson@specifixinc.com>
6362
6363         * doc/interface.texi (longjmp and automatic variables): Delete
6364         paragraph recommending taking the address of a variable.
6365
6366 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
6367
6368         * vec.h (VEC_embedded_alloc): Remove.
6369         (VEC_embedded_size, VEC_embedded_init): New.
6370         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
6371         MEM_STAT_INFO.
6372         (VEC_truncate): New.
6373         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
6374         (vec_embedded_alloc): Remove.
6375         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
6376         (vec_embedded_alloc): Remove.
6377
6378 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
6379
6380         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
6381         (gt-langhooks.h): Remove.
6382
6383 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
6384
6385         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
6386
6387 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
6388
6389         * config/sparc/sparc.c (get_pc_symbol): Rename into
6390         add_pc_to_pic_symbol.
6391         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
6392         (load_pic_register): Account for previous changes.
6393         Use reg_names.  Don't create the label twice.
6394         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
6395         UNSPEC_LOAD_PCREL_SYM.
6396         (get_pc): Rename into load_pcrel_sym.  Add predicate to
6397         operands.  Remove condition.
6398
6399 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
6400
6401         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
6402         RECORD, UNION & QUAL_UNION is actually a binfo.
6403
6404         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
6405         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
6406         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
6407         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
6408         * dwarf2out.c (add_data_member_location_attribute): Likewise.
6409         (gen_inheritance_die): Likewise.
6410         * tree-dump.c (deque_and_dump): Likewise.
6411         * doc/c-tree.texi (Binfos): Add under reconstruction note.
6412
6413 2004-07-06  Steven Bosscher  <stevenb@suse.de>
6414
6415         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
6416         Define.
6417         * config/mcore/mcore.md: Model memory latency with a simple DFA
6418         pipeline description instead of a define_function_unit.
6419
6420 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6421
6422         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
6423         * langhooks.h (var_mod_type_p): Likewise.
6424         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
6425         * expr.c (count_type_elements): Properly handle return from
6426         array_type_nelts and properly test for overflow.
6427         * gimplify.c (gimplify_init_constructor): Properly handle return
6428         from array_type_nelts.
6429         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
6430         * integrate.c (copy_decl_for_inlining): Correct comments.
6431         * tree-inline.c (remap_decl): Update comments, remove dead code,
6432         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
6433         (remap_type): Only remap if variably modified by vars in function
6434         being inlined.
6435         (copy_body_r): Use compatible_type langhooks to see when can fold.
6436         (setup_one_parameter): Don't remap type.
6437         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
6438         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
6439         compute TREE_INVARIANT for decl case.
6440         (find_var_from_fn): New function.
6441         (variably_modified_type_p): Add arg and call new function.
6442         * tree.h (variably_modified_type_p): Add extra arg.
6443
6444 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
6445
6446         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
6447         (goto_handler_and_restore_v9): Delete disabled insn.
6448         (goto_handler_and_restore_v9_sp64): Likewise.
6449
6450 2004-07-05  Roger Sayle  <roger@eyesopen.com>
6451
6452         * calls.c (load_register_parameters): Call expand_shift instead
6453         of expand_binop with ashl_optab (or other shift optab) directly.
6454         * expr.c (emit_group_load, emit_group_store): Likewise.
6455         * function.c (assign_parm_setup_block): Likewise.
6456         * stmt.c (shift_return_value): Likewise.
6457
6458 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
6459
6460         * expr.c (expand_assignment): Disable the bitfield += optimizations.
6461
6462 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
6463
6464         * doc/sourcebuild.texi: Revert previous patch.
6465
6466 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
6467
6468         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
6469         TARGET_MEM_FUNCTIONS.
6470         * system.h: Poison TARGET_MEM_FUNCTIONS.
6471         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
6472         bcmp_libfunc, bzero_libfunc): Remove.
6473         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
6474         bzero_libfunc.
6475         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
6476         * doc/standards.texi: Don't mention calling BSD string functions.
6477         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
6478         * config/vax/t-memfuncs: New.
6479         * config/memcmp.c, config/memcpy.c, config/memmove.c,
6480         config/memset.c: New.
6481         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
6482         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
6483         vax/t-memfuncs.
6484         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
6485         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
6486         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
6487         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
6488         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
6489         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
6490         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
6491         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
6492         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
6493         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
6494
6495 2004-07-05  Richard Henderson  <rth@redhat.com>
6496
6497         * function.c (assign_parm_setup_reg): Properly rename variables in
6498         FUNCTION_ARG_CALLEE_COPIES section.
6499
6500 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
6501
6502         * tree-mudflap.c: Include cgraph.h.
6503         (mf_init_extern_trees): Rename to mudflap_init.  Export.
6504         Rewrite to create synthetic declarations instead of looking
6505         up declarations from mf-runtime.h.
6506         (mf_make_builtin, mf_make_cache_struct_type): New functions.
6507         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
6508         Correct commentary.
6509         (execute_mudflap_function_decls, mudflap_register_call):
6510         Don't call mf_init_extern_trees.
6511         (mudflap_finish_file): Use cgraph_build_static_cdtor.
6512
6513         * tree-mudflap.h: Update prototypes.
6514         * c-mudflap.c: Delete file.
6515         * c-common.c: Include tree-mudflap.h.
6516         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
6517         * Makefile.in: Remove all references to c-mudflap.o.
6518         Update dependencies.
6519
6520 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6521
6522         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
6523         displacements with the spatial-locality cache-control completer.
6524
6525 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
6526
6527         * langhooks.c: Don't include gt-langhooks.h.
6528         (var_labelno): Delete.
6529         (lhd_set_decl_assembler_name): Do not append a distinguishing
6530         number to file-scope internal-linkage declarations for the first
6531         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
6532         the declaration itself (if at block scope), or its containing
6533         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
6534         number.
6535
6536         * opts.c (cur_in_fname): New global.
6537         * opts.h: Declare it.
6538         * tree.c: Include opts.h.
6539         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
6540         DECL_UID equal to cur_in_fname.
6541         (copy_node_stat): Do not change DECL_UID when copying a
6542         TRANSLATION_UNIT_DECL.
6543         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
6544         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
6545
6546         * c-decl.c (c_static_assembler_name): Delete.
6547         * c-tree.h (c_static_assembler_name): Delete prototype.
6548         * c-lang.c, objc/objc-lang.c: Don't override
6549         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
6550
6551         * Makefile.in (tree.o): Update dependencies.
6552         (GTFILES): Remove langhooks.c.
6553
6554 2004-07-05  Roger Sayle  <roger@eyesopen.com>
6555
6556         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
6557         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
6558         Normalize "X % C" as "X % -C" for signed modulus and negative C.
6559         Optimize "X % -Y" as "X % Y" for signed modulus.
6560         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
6561         into "((unsigned) X % Y) == 0".
6562
6563 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
6564
6565         * sourcebuild.texi (Config Fragments): Use @comma{} in
6566         cross-reference to section title.
6567
6568 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6569
6570         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
6571         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
6572         (gimplify_target_expr, gimplify_expr): Likewise.
6573         (copy_if_shared_r): No longer need special case for BIND_EXPR.
6574         (unshare_body, unvisit_body): Only look at nested if BODY_P is
6575         whole function.
6576         (gimplify_compound_lval): See if we can strip any useless conversion.
6577         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
6578         from RHS, not LHS.
6579         (gimplify_modify_expr_to_memset): Likewise.
6580         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
6581         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
6582         (declare_inline_vars): Likewise.
6583         (walk_type_fields): New function.
6584         (walk_tree): Use it.
6585         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
6586
6587         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
6588         (sra_walk_modify_expr): Allow init function to fail.
6589         (scan_init): Now returns bool.
6590         (generate_element_init): If can't understand INIT, return false.
6591         (scalarize_init): Return false if generate_element_init does.
6592
6593         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
6594         print bounds.
6595
6596         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
6597         bounds if bounds aren't constant.
6598
6599         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
6600
6601         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
6602         to type hooks; remove bogus PARAMS.
6603
6604 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
6605
6606         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
6607         * dwarf2out.c (add_data_member_location_attribute): Check for
6608         TREE_BINFO.
6609         * tree.c (tree_node_kinds): Add "binfos".
6610         (binfo_lang_slots): New.
6611         (make_node_stat): Add TREE_BINFO.
6612         (make_tree_binfo_stat): New.
6613         (tree_node_structure): Add TREE_BINFO.
6614         * tree.def (TREE_BINFO): New.
6615         * tree.h (REC_OR_UNION_CHECK): Rename to ...
6616         (RECORD_OR_UNION_CHECK): ... here.
6617         (NOT_RECORD_OR_UNION_CHECK): New.
6618         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
6619         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
6620         RECORD_OR_UNION_CHECK.
6621         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
6622         (TYPE_LANG_SLOT_1): New.
6623         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
6624         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
6625         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
6626         (BINFO_ELTS): Remove.
6627         (BINFO_LANG_SLOT): New.
6628         (struct tree_binfo): New.
6629         (binfo_lang_slots): Declare.
6630         (enum tree_node_structure_enum): Add TS_BINFO.
6631         (union tree_node): Add binfo.
6632         (make_tree_binfo_stat): Declare.
6633         (make_tree_binfo): New.
6634         (enum tree_node_kind): Add binfo_kind.
6635
6636         * objc/objc-act.c (start_class, objc_declare_protocols,
6637         start_protocols): Use TYPE_LANG_SLOT_1.
6638         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
6639         to ...
6640         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
6641         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
6642         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
6643         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
6644
6645 2004-07-05  Steven Bosscher  <stevenb@suse.de>
6646
6647         * rtl.h (struct rtx_def): Remove the integrated flag.
6648         Use the return_val flag for MEM_SCALAR_P.
6649         Reshuffle and update flags in CLEAR_RTX_FLAGS.
6650
6651 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
6652
6653         PR target/16357
6654         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
6655         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
6656         move_by_pieces.
6657
6658 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
6659
6660         * var-tracking.c: Fix some comments.
6661         (frame_stack_adjust): New.
6662         (vt_stack_adjustments): Init stack_adjust of entry block to
6663         minus stack adjustment of function prologue.
6664         (adjust_stack_reference): Do not adjust if adjustment == 0.
6665         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
6666         (emit_notes_in_bb): Likewise.
6667         (vt_add_function_parameters): Do not adjust locations of
6668         function arguments.
6669         (vt_initialize): Compute the stack adjustment of function
6670         prologue and offset the initial "location" of frame_base_decl
6671         from the stack pointer after prologue.
6672
6673 2004-07-04  Richard Henderson  <rth@redhat.com>
6674
6675         * function.c (struct assign_parm_data_all): New.
6676         (struct assign_parm_data_one): New.
6677         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
6678         assign_parm_find_data_types, assign_parms_setup_varargs,
6679         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
6680         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
6681         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
6682         assign_parm_setup_block, assign_parm_setup_reg,
6683         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
6684         (assign_parms): ... here.
6685
6686 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
6687
6688         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
6689         now are bitmap_set_t's.
6690         (bitmap_insert_into_set): No point in inserting the value if
6691         it's invariant.
6692         (bitmap_set_contains): New function.
6693         (bitmap_set_replace_value): Add comment on why we do it
6694         this way.
6695         (set_contains): Removed.
6696         (bitmap_set_subtract_from_value_set): New name of
6697         set_subtract now that it's arguments are two different
6698         types of sets.
6699         Update callers.
6700         (bitmap_find_leader): Change algorithm used.
6701         (find_or_generate_expression): Update use of functions for new
6702         bitmap sets.
6703         (create_expression_by_pieces): Ditto.
6704         (insert_aux): Ditto.
6705         (insert): Ditto.
6706         (add_to_sets): Ditto.
6707         (init_pre): Ditto.
6708         (execute_pre): Ditto.
6709         (compute_avail): Ditto.
6710         Also ignore virtual phis.
6711
6712 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
6713
6714         * combine.c (simplify_comparison): Fix comment typo.
6715
6716 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
6717
6718         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
6719         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
6720         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
6721         (output_restore): Change parameter from 'insn' to 'pat'.
6722         (output_return): Adjust call to output_restore.
6723         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
6724         Adjust call to output_restore.
6725
6726 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
6727
6728         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
6729         and assert system is bsd.
6730
6731 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
6732
6733         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
6734         (TARGET_SWITCHES): Remove -mdebugc.
6735         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
6736         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
6737         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
6738         (sle_[sd]i_reg): Delete.
6739
6740 2004-07-04  Steven Bosscher  <stevenb@suse.de>
6741
6742         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
6743         Define.
6744         * config/iq2000/iq2000.md: Translate old pipeline description to an
6745         equivalent new one.
6746
6747 2004-07-04  Roger Sayle  <roger@eyesopen.com>
6748
6749         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
6750         Ensure the replacement rhs is valid gimple before performing
6751         the substitution.  Return false if these sanity checks fail.
6752         (fold_stmt): Only set changed to true, if set_rhs returns true.
6753         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
6754         succeeds.
6755
6756 2004-07-04  Richard Henderson  <rth@redhat.com>
6757
6758         PR c/16348
6759         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
6760
6761 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
6762
6763         * configure.ac (ranlib_flags): New variable.
6764         * Makefile.in (RANLIB_FLAGS): New variable.
6765         (libbackend.a): Use it.
6766         * configure: Regenerated.
6767
6768 2004-07-04  Roger Sayle  <roger@eyesopen.com>
6769
6770         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
6771         a "sign mask" instead of using ashr_optab directly.
6772
6773 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
6774
6775         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
6776         * doc/cppopts.texi: Clarify processing of command-line defines.
6777
6778 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
6779
6780         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
6781
6782 2004-07-04  Richard Henderson  <rth@redhat.com>
6783
6784         * rtl.def (ADDRESSOF): Remove.
6785         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
6786         (find_base_term, memrefs_conflict_p): Likewise.
6787         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
6788         (fold_rtx, cse_insn, set_live_p): Likewise.
6789         * dwarf2out.c (mem_loc_descriptor): Likewise.
6790         (add_location_or_const_value_attribute): Likewise.
6791         * emit-rtl.c (copy_insn_1): Likewise.
6792         * explow.c (memory_address): Likewise.
6793         * expmed.c (store_split_bit_field): Likewise.
6794         * expr.c (expand_expr_real_1): Likewise.
6795         * function.c (instantiate_decl
6796         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
6797         * genrecog.c (preds, validate_pattern): Likewise.
6798         * integrate.c (copy_rtx_and_substitute): Likewise.
6799         * recog.c (general_operand, register_operand): Likewise.
6800         (memory_address_p): Likwise.
6801         * reload1.c (eliminate_regs, elimination_effects): Likewise.
6802         * rtl.c (copy_rtx): Likewise.
6803         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
6804         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
6805         * rtlhooks.c (gen_lowpart_general): Likewise.
6806         * stmt.c (expand_asm_operands): Likewise.
6807         * web.c (entry_register, replace_ref, web_main): Likewise.
6808         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
6809         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
6810         * config/arm/arm.c (thumb_rtx_costs): Likewise.
6811         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
6812         * config/frv/frv.c (move_destination_operand, move_source_operand,
6813         condexec_dest_operand, condexec_source_operand,
6814         condexec_memory_operand): Likewise.
6815         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
6816         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
6817         (destination_xfmode_operand): Likewise.
6818         * config/mips/mips.h (PREDICATE_CODES): Likewise.
6819         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
6820         * config/s390/s390.c (general_s_operand): Likewise.
6821         * config/s390/s390.md (mov*): Likewise.
6822         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
6823
6824         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
6825         * expr.c (expand_expr_real_1): Likewise.
6826         * stmt.c (expand_decl): Likewise.
6827         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
6828
6829         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
6830         postponed_insns, put_var_into_stack, put_reg_into_stack,
6831         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
6832         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
6833         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
6834         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
6835         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
6836         purge_bitfield_addressof_replacements, purge_addressof_replacements,
6837         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
6838         struct insns_for_mem_walk_info, insns_for_mem_walk,
6839         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
6840         setjmp_protect_args): Remove.
6841         (push_function_context_to): Don't handle var_refs_queue.
6842         (pop_function_context_from, free_after_compilation): Likewise.
6843         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
6844         (assign_parms, allocate_struct_function): Likewise.
6845         (use_register_for_decl): New.
6846         (expand_function_end): Don't setjmp_protect.
6847         * function.h (struct emit_status): Update commentary.
6848         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
6849         (max_parm_reg, parm_reg_stack_loc): Remove.
6850         * passes.c (DFI_addressof): Remove.
6851         (dump_file_info): Remove addressof.
6852         (rest_of_handle_addressof): Remove.
6853         (rest_of_compilation): Don't call it.
6854         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
6855         * stmt.c (expand_decl): Use use_register_for_decl.
6856         * tree.h: Update decls.
6857         * web.c (mark_addressof): Remove.
6858         * doc/invoke.texi (-dF): Remove.
6859
6860 2004-07-03  Richard Henderson  <rth@redhat.com>
6861
6862         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
6863         instead of gen_mem_addressof.
6864         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
6865         TImode output register.
6866
6867 2004-07-03  Richard Henderson  <rth@redhat.com>
6868
6869         PR tree-optimization/16341
6870         * tree-sra.c (sra_walk_function): Increment to next stmt before
6871         processing the current stmt.
6872         (sra_insert_after): Always use BSI_SAME_STMT.
6873
6874 2004-07-03  Richard Henderson  <rth@redhat.com>
6875
6876         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
6877         fp plus with minus.
6878
6879 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
6880
6881         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
6882         with tree_int_cst_equal.
6883
6884 2004-07-03  Andreas Schwab  <schwab@suse.de>
6885
6886         * config/ia64/ia64.md: Define new attribute "empty".
6887         (prologue_use, nop_x, insn_group_barrier): Set it.
6888
6889         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
6890         skip over "empty" insns.
6891
6892 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6893
6894         * tree-inline.c (initialize_inlined_parameters): Pass proper function
6895         context to gimplify_body.
6896         (walk_tree): Don't walk into types twice.
6897         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
6898
6899         * tree-sra.c (generate_element_init): Remove any useless conversions.
6900
6901         * gimplify.c (gimplify_conversion): Remove stripping useless
6902         conversions from here.
6903         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
6904         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
6905         Unshare before substituting PLACEHOLDER_EXPR.
6906         (gimplify_modify_expr_to_memset): Likewise.
6907         Pass address of TO to memset, not TO itself.
6908         (gimplify_init_constructor): Make copy of OBJECT so we have it each
6909         time we make an expression (to match a PLACEHOLDER_EXPR).
6910
6911         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
6912         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
6913         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
6914         * tree-ssa-dom.c (local_fold): Likewise.
6915
6916         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
6917         * langhooks.h (strct lang_hooks): New field type_max_size.
6918         * function.c (assign_temp): Call it.
6919
6920 2004-07-03  Steven Bosscher  <stevenb@suse.de>
6921
6922         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
6923         * config/sh/sh.md: Convert the SH1 pipeline description to
6924         a DFA model.
6925
6926 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
6927
6928         * c-decl.c (struct c_binding): Remove contour field; add
6929         depth, invisible, nested fields.
6930         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
6931         (B_IN_EXTERNAL_SCOPE): New convenience macros.
6932         (bind): Add invisible and nested arguments. Initialize
6933         new fields of struct c_binding; adjust loop scanning for
6934         insertion point.
6935         (free_binding_and_advance): Clear structure with memset.
6936         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
6937         in file scope, even if it's in external scope too.
6938         (pushdecl): Adjust to match.  Create invisible file-scope
6939         declarations for block-scope forward declarations of static functions.
6940         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
6941         (undeclared_variable, lookup_label, declare_label, define_label)
6942         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
6943         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
6944         (store_parm_decls_oldstyle): Adjust to match.
6945         (diagnose_mismatched_decls): Correct handling of linkage clashes.
6946         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
6947
6948         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
6949         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
6950
6951 2004-07-02  Richard Henderson  <rth@redhat.com>
6952
6953         * c-decl.c (grokdeclarator): Don't frob current_function_decl
6954         around variable_size.
6955         (set_decl_nonlocal): Remove.
6956         (store_parm_decls): Add stmts for pending sizes.
6957         * calls.c (calls_function, calls_function_1): Remove.
6958         (precompute_arguments): Don't call it.
6959         * cfgexpand.c (set_save_expr_context): Remove.
6960         (tree_expand_cfg): Don't call it.
6961         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
6962         (dwarf2out_finish): Likewise.
6963         * expr.c (emit_block_move): Adjust addresses to BLKmode.
6964         (store_constructor): Don't pre-evaluate SAVE_EXPR.
6965         (safe_from_p): Don't queue SAVE_EXPRs.
6966         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
6967         or build plain VAR_DECLs.
6968         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
6969         (fold): Likewise.
6970         (fold_checksum_tree): Don't special-case SAVE_EXPR.
6971         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
6972         (put_var_into_stack): Don't handle SAVE_EXPR.
6973         (gen_mem_addressof): Likewise.
6974         * function.h (struct function): Remove x_save_expr_regs.
6975         (save_expr_regs): Remove.
6976         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
6977         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
6978         * stor-layout.c (variable_size): Don't set it.
6979         (force_type_save_exprs, force_type_save_exprs_1): Remove.
6980         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
6981         all callers.  Don't set SAVE_EXPR_CONTEXT.
6982         * tree-inline.h (remap_save_expr): Update decl.
6983         * tree.c (save_expr): Update build size.
6984         (first_rtl_op): Don't handle SAVE_EXPR.
6985         (unsave_expr_1, contains_placeholder_p): Likewise.
6986         (decl_function_context): Likewise.
6987         * tree.def (SAVE_EXPR): Remove args 1 and 2.
6988         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
6989         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
6990
6991 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
6992
6993         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
6994         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
6995         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
6996         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
6997         some first-person references and patronizing comments.  Based on
6998         printed manual.
6999         * doc/invoke.texi: Don't reference fortran@gnu.org.
7000         * doc/trouble.texi (Warning when a non-void function value is
7001         ignored): Rewrite.  From Russ Allbery and Chris Devers.
7002
7003 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
7004
7005         * tree-ssa-pre.c (bitmap_set_t): New.
7006         (bb_value_sets): avail_out is now a bitmap_set_t.
7007         (bitmap_find_leader): New function.
7008         (bitmap_value_insert_into_set): Ditto.
7009         (bitmap_set_copy): Ditto.
7010         (bitmap_value_replace_in_set): Ditto.
7011         (bitmap_set_contains_value): Ditto.
7012         (bitmap_set_new): Ditto.
7013         (bitmap_set_pool): New pool.
7014         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
7015         (insert_aux): Ditto.
7016         (add_to_sets): Ditto.
7017         (compute_avail): Ditto
7018         (eliminate): Ditto.
7019         (init_pre): Ditto.
7020         (fini_pre): Ditto.
7021         (execute_pre): Ditto.
7022
7023 2004-07-02  Roger Sayle  <roger@eyesopen.com>
7024
7025         * config/rs6000/rs6000.c (struct processor_costs): New structure
7026         used to hold instruction latencies/sizes for processor types.
7027         (rs6000_cost): New global variable pointing to current CPU's costs.
7028         (rs6000_override_options): Initialize rs6000_cost to point to the
7029         appropriate cost table based upon rs6000_cpu and optimize_size.
7030         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
7031         timings inline.
7032
7033 2004-07-02  Richard Henderson  <rth@redhat.com>
7034
7035         * expmed.c (make_tree): Don't use SET_DECL_RTL.
7036
7037 2004-07-02  Steven Bosscher  <stevenb@suse.de>
7038
7039         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
7040
7041 2004-07-01  Richard Henderson  <rth@redhat.com>
7042
7043         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
7044         (alpha_gp_save_rtx): Use assign_stack_local instead of
7045         gen_mem_addressof.
7046
7047 2004-07-01  Richard Henderson  <rth@redhat.com>
7048
7049         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
7050         (alpha_rtx_cost_data): Update to match.
7051         (alpha_rtx_cost_size): New.
7052         (alpha_rtx_costs): Honor optimize_size.
7053
7054 2004-07-01  Richard Henderson  <rth@redhat.com>
7055
7056         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
7057         * cfgexpand.c (tree_expand_cfg): Do it here.
7058         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
7059         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
7060         * config/mips/mips.c (mips_output_mi_thunk): And here.
7061         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
7062         * config/sh/sh.c (sh_output_mi_thunk): And here.
7063         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
7064
7065 2004-07-01  Richard Henderson  <rth@redhat.com>
7066
7067         * tree.def (RTL_EXPR): Remove.
7068         * c-typeck.c (lvalue_p): Don't handle it.
7069         * expr.c (safe_from_p): Likewise.
7070         (expand_expr_real_1): Likewise.
7071         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
7072         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
7073         * gengtype.c (adjust_field_tree_exp): Likewise.
7074         * stmt.c (warn_if_unused_value): Likewise.
7075         * tree-gimple.c (recalculate_side_effects): Likewise.
7076         * tree-pretty-print.c (dump_generic_node): Likewise.
7077         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
7078         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
7079         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
7080
7081         * stmt.c (struct stmt_status): Remove x_last_expr_type,
7082         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
7083         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
7084         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
7085         all the bits that tracked last_expr.
7086         (expand_end_bindings): Don't track last_expr.
7087         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
7088         (clear_last_expr): Remove.
7089         (expand_asm): Don't call it.
7090         (expand_asm_operands, expand_end_cond): Likewise.
7091         (expand_naked_return, expand_null_return_1): Likewise.
7092         * c-typeck.c (c_begin_compound_stmt): Likewise.
7093         * cfgexpand.c (expand_block): Use expand_expr_stmt.
7094         * expr.c (expand_expr_real_1): Likewise.
7095         * tree.h: Update prototypes.
7096
7097         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
7098         (struct emit_status): Remove sequence_rtl_expr.
7099         (struct function): Remove x_rtl_expr_chain.
7100         (seq_rtl_expr, rtl_expr_chain): Remove.
7101         * function.c (struct temp_slot): Remove rtl_expr.
7102         (assign_stack_temp_for_type): Don't set it.
7103         (free_temp_slots, pop_temp_slots): Don't check it.
7104         (free_after_compilation): Don't clear x_rtl_expr_chain.
7105         (fixup_var_refs): Don't search it.
7106         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
7107         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
7108         or seq_rtl_expr.
7109         (push_topmost_sequence): Likewise.
7110         (end_sequence, init_emit): Likewise.
7111         (start_sequence_for_rtl_expr): Remove.
7112         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
7113         * rtl.h (preserve_rtl_expr_result): Remove.
7114
7115 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
7116
7117         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
7118         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
7119         typos.
7120
7121 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
7122
7123         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
7124         (STANDARD_STARTFILE_PREFIX_2): Define.
7125         (standard_startfile_prefix_1): Initialize to
7126         STANDARD_STARTFILE_PREFIX_1.
7127         (standard_startfile_prefix_2): Initialize to
7128         STANDARD_STARTFILE_PREFIX_2.
7129         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
7130         (STANDARD_STARTFILE_PREFIX_1): Define.
7131         (STANDARD_STARTFILE_PREFIX_2): Define.
7132         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
7133         (STANDARD_STARTFILE_PREFIX_2): Document.
7134
7135 2004-07-01  Richard Henderson  <rth@redhat.com>
7136
7137         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
7138         in order to disable scalarization.  Instead set a flag and wait
7139         for a candidate decl.
7140
7141 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
7142
7143         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
7144         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
7145         Use terminology "testsuite" and "enumerated".
7146
7147 2004-07-01  Richard Henderson  <rth@redhat.com>
7148
7149         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
7150         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
7151         (initial_return_save): Likewise.
7152         (flush_queued_reg_saves): Remap register numbers.
7153         (dwarf2out_return_reg): Likewise.
7154
7155 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7156
7157         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
7158
7159         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
7160         access functions for lower bound and element size and only output
7161         if lower bound nonzero or element size not same as that of type.
7162         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
7163
7164 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
7165
7166         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
7167
7168 2004-07-01  Per Bothner  <per@bothner.com>
7169
7170         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
7171
7172 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
7173
7174         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
7175         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
7176         first operand.  Don't optimize if the bitfield is volatile.
7177
7178 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
7179
7180         * c-pretty-print.c (pp_c_postfix_expression): Handle
7181         floating-point comparison operators.
7182         (pp_c_expression): Pass floating-point comparison
7183         operators to pp_c_postfix_expression.
7184
7185 2004-07-01  Roger Sayle  <roger@eyesopen.com>
7186
7187         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
7188         rtx_cost instead of "had_mult" to determine whether the transformed
7189         expression is cheaper than the original.
7190
7191 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
7192
7193         * alias.c (get_alias_set, canon_rtx, get_addr,
7194         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
7195         Use MEM_P.
7196         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
7197         expand_builtin): Likewise.
7198         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
7199         Likewise.
7200         * combine.c (can_combine_p, combinable_i3pat, try_combine,
7201         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
7202         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
7203         record_dead_and_set_regs_1, get_last_value_validate,
7204         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
7205         * cse.c (check_dependence, canon_hash, equiv_constant,
7206         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
7207         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
7208         count_reg_usage): Likewise.
7209         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
7210         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
7211         cselib_record_sets): Likewise.
7212         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
7213         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
7214         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
7215         * df.c (df_uses_record): Likewise.
7216         * dojump (do_jump): Likewise.
7217         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
7218         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
7219         decl_start_label): Likewise.
7220         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
7221         operand_subword, change_address_1, make_safe_from): Likewise.
7222         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
7223         stabilize, force_not_mem): Likewise.
7224         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
7225         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
7226         * expr.c (convert_move, convert_modes, emit_block_move,
7227         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
7228         emit_move_insn_1, expand_assignment, store_expr,
7229         store_constructor_field, store_constructor, store_field,
7230         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
7231         Likewise.
7232         * final.c (cleanup_subreg_operands, alter_subreg,
7233         get_mem_expr_from_op): Likewise.
7234         * flow.c (notice_stack_pointer_modification_1,
7235         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
7236         Likewise.
7237         * function.c (mark_temp_addr_taken, preserve_temp_slots,
7238         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
7239         optimize_bit_field, flush_addressof, purge_addressof_1,
7240         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
7241         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
7242         keep_stack_depressed): Likewise.
7243         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
7244         noce_process_if_block, find_memory): Likewise.
7245         * integrate.c (subst_constants, allocate_initial_values): Likewise.
7246         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
7247         update_equiv_regs): Likewise.
7248         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
7249         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
7250         * optabs.c (expand_abs, emit_unop_insn): Likewise.
7251         * passes.c (rest_of_handle_final): Likewise.
7252         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
7253         move2add_note_store): Likewise.
7254         * ra-build.c (detect_remat_webs): Likewise.
7255         * ra-debug.c (dump_static_insn_cost): Likewise.
7256         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
7257         * recog.c (validate_change, apply_change_group, cancel_changes,
7258         validate_replace_rtx_1, general_operand, register_operand,
7259         nonmemory_operand, push_operand, pop_operand, memory_operand,
7260         indirect_operand, asm_operand_ok, offsettable_memref_p,
7261         offsettable_nonstrict_memref_p, constrain_operands,
7262         store_data_bypass_p): Likewise.
7263         * reg-stack.c (subst_stack_regs_pat): Likewise.
7264         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
7265         copy_cost, reg_scan_mark_refs): Likewise.
7266         * regmove.c (optimize_reg_copy_3, stack_memref_p,
7267         combine_stack_adjustments_for_block): Likewise.
7268         * regrename.c (copyprop_hardreg_forward_1): Likewise.
7269         * reload.c (can_reload_into, push_reload, decompose, immune_p,
7270         find_reloads, find_reloads_address, find_reloads_address_1,
7271         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
7272         find_equiv_reg): Likewise.
7273         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
7274         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
7275         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
7276         delete_address_reloads): Likewise.
7277         * resource.c (mark_referenced_resources): Likewise.
7278         * rtlanal.c (get_jump_table_offset, count_occurrences,
7279         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
7280         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
7281         num_sign_bit_copies1): Likewise.
7282         * rtlhooks.c (gen_lowpart_general): Likewise.
7283         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
7284         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
7285         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
7286         sdbout_global_decl): Likewise.
7287         * simplify-rtx.c (simplify_subreg): Likewise.
7288         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
7289         expand_anon_union_decl, expand_end_case_type): Likewise.
7290         * unroll.c (calculate_giv_inc): Likewise.
7291         * var-tracking.c (stack_adjust_offset_pre_post,
7292         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
7293         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
7294         vt_add_function_parameters): Likewise.
7295         * varasm.c (make_var_volatile, notice_global_symbol,
7296         assemble_external, decode_addr_const, mark_weak,
7297         default_encode_section_info): Likewise.
7298
7299 2004-07-01  Steven Bosscher  <stevenb@suse.de>
7300
7301         * stmt.c (check_seenlabel): Remove.
7302         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
7303
7304 2004-07-01  Richard Henderson  <rth@redhat.com>
7305
7306         * function.h (struct function): Remove x_function_call_count.
7307         (function_call_count): Remove.
7308         * calls.c (expand_call): Don't set it.
7309         * integrate.c (copy_rtx_and_substitute): Likewise.
7310
7311         * function.h (struct function): Remove x_cleanup_label.
7312         (cleanup_label): Remove.
7313         * stmt.c (expand_value_return): Don't use it.
7314         * function.c (free_after_compilation): Don't set it.
7315         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
7316         * cfgexpand.c (tree_expand_cfg): Update call.
7317         * tree.h (expand_function_start): Update decl.
7318
7319 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
7320
7321         PR c/1027
7322         * c-lang.c (c_initialize_diagnostics): Move from here ...
7323         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
7324         (c_tree_printer): Use pretty-printer to format %T.
7325         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
7326         before '*' if not C++.
7327         (pp_c_direct_abstract_declarator): Don't try to print array upper
7328         bound for flexible array members.
7329         * c-tree.h: Include "diagnostic.h".
7330         (c_initialize_diagnostics): Declare.
7331         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
7332         * c-format.c (format_type_warning): New function.  Improve
7333         diagnostics for incorrect format argument types.
7334         (check_format_types): Use it.  Add two parameters.  Use the
7335         TYPE_MAIN_VARIANT of wanted_type.
7336         (check_format_info_main): Pass new parameters to
7337         check_format_types.
7338         (struct format_wanted_type): Update comment.
7339
7340 2004-07-01  Nick Clifton  <nickc@redhat.com>
7341
7342         * target.h (struct gcc_target): Add new field to struct cxx:
7343         import_export_class.
7344         * target-def.h (TARGET_CXX): Initialise the new field.
7345         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
7346         the new field.
7347         * doc/tm.texi: Document the new target hook.
7348
7349 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
7350
7351         * builtins.c (fold_builtin_classify): Fix typo.
7352
7353 2004-07-01  Richard Henderson  <rth@redhat.com>
7354
7355         * function.c (identify_blocks, identify_blocks_1): Remove.
7356         * function.h (identify_blocks): Remove.
7357         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
7358
7359 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
7360
7361         * builtins.c (fold_builtin_classify): New.
7362         (fold_builtin_unordered_cmp): Fix commentary.
7363         (fold_builtin): Use it.
7364         * builtins.def: Define builtins for isnan,
7365         isnanf, isnanl, finite, finitef, finitel,
7366         isinf, isinff, isinfl.
7367
7368 2004-07-01  Richard Henderson  <rth@redhat.com>
7369
7370         * function.h (struct function): Remove dont_emit_block_notes.
7371         * gimple-low.c (lower_function_body): Don't set it.
7372         * cfgexpand.c (expand_block): Don't check it.
7373         * cfglayout.c (insn_locators_initialize): Likewise.
7374         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
7375         * passes.c (rest_of_compilation): Likewise.
7376         * stmt.c (expand_start_bindings_and_block): Likewise.
7377         (expand_end_bindings): Likewise.
7378
7379 2004-07-01  Richard Henderson  <rth@redhat.com>
7380
7381         * cgraph.h (cgraph_build_static_cdtor): Declare.
7382         * cgraphunit.c (cgraph_build_static_cdtor): New.
7383         * c-objc-common.c (build_cdtor): Use it.
7384         * coverage.c (create_coverage): Likewise.
7385         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
7386         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
7387
7388 See ChangeLog.11 for earlier changes.