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Fix typo
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-03-25  Mike Stump  <mrs@apple.com>
2
3         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
4         sized objects.
5
6 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
7
8         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
9         Use our own structure definitions.
10
11         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
12         (fix_truncdfsi2): Allow registers or memory as destination.
13         When TARGET_PPC_GFXOPT, generate simplified pattern.
14         (fix_truncdfsi2_internal): Use define_insn_and_split.
15         (fix_truncdfsi2_internal_gfxopt): New.
16         (fctiwz): Don't confuse register allocation by giving it no choices.
17         (stfiwx): New.
18         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
19         (EXTRA_MEMORY_CONSTRAINT): Likewise.
20         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New. 
21         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
22
23 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
24
25         * dominance.c (free_dominance_info): Speed up by freeing et
26         data structures without maintaining other nodes.
27         * et-forest.c (et_free_tree_force): New.
28         * et-forest.h: Add a prototype for et_free_tree_force.
29
30         * tree.c (get_set_constructor_bits,
31         get_set_constructor_bytes): Remove.
32         * tree.h: Remove the corresponding prototypes.
33
34 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
35
36         PR target/15491
37         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
38         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
39         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
40         PRE_DEC, NEG and NOT.
41
42 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
43
44         * fold-const.c: Convert uses of fold (build (...)) to
45         fold_buildN.
46
47 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
48
49         PR rtl-optimization/20249
50         * cse.c (insert_regs): Do not record equivalence of registers in
51         different modes.
52
53 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
54
55         * emit-rtl.c (reverse_comparison): Remove.
56         * rtl.h: Remove the corresponding prototype.
57
58 2005-03-24  James E Wilson  <wilson@specifixinc.com>
59
60         * doc/install.texi (--enable-altivec): Delete docs.
61
62 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
63
64         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
65         SFmode and DFmode before reload when
66         flag_unsafe_math_optimizations not enabled.
67
68 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
69
70         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
71
72         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
73         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
74
75 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
76
77         * configure.ac (enable-checking): Add 'runtime' option.
78         * doc/install.texi (enable-checking): Document 'runtime' checking.
79         * tsystem.h (gcc_assert, gcc_unreachable): Define.
80         * config.in: Regenerated.
81         * configure: Regenerated.
82
83 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
84
85         * optabs.h (enum optab_index): Remove OTI_llrint.
86         (llrint_optab): Remove macro.
87         * optabs.c (init_optabs): Remove llrint_optab initialization.
88         * genopinit.c (optabs): Remove llrint_optab implementation.
89         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
90         using lrint_optab.
91
92 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
93
94         PR rtl-optimization/20532
95         * simplify-rtx.c (simplify_binary_operation_1): Protect from
96         overflow when adding coefficients for PLUS or MINUS.
97         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
98         two as multiplier.
99
100 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
101
102         * langhooks.h (truthvalue_conversion): Remove.
103         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
104         LANG_HOOKS_TRUTHVALUE_CONVERSION.
105         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
106         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
107         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
108
109 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
110
111         * params.def: Fix a typo.
112         * config/mips/mips.c: Follow the spelling convensions.
113         * doc/invoke.texi: Fix typos.
114
115 2005-03-18  Dale Johannese  <dalej@apple.com>
116
117         * cp/tree.c (cp_tree_equal):  Handle SSA_NAME.
118
119 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
120
121         Fix PR tree-optimization/20601
122
123         * tree-ssa-pre.c (insert_aux): Add missing condition to
124         constification.
125
126 2005-03-23  Ian Lance Taylor  <ian@airs.com>
127
128         * final.c (final_scan_insn): Don't remove no-op instructions.
129         * reload1.c (reload): Remove simple no-op instructions even when
130         not optimizing.
131
132 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
133  
134         PR tree-optimization/20501
135         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
136         reporting that peeling for alignment is applied moved to...
137         * (vect_analyze_data_refs_alignment): Here.
138
139 2005-03-23  Ian Lance Taylor  <ian@airs.com>
140
141         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
142
143 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
144
145         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
146         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
147
148 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
149
150         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
151         imply that this is called once, independent of asms in code.
152         Adjust to now being pased output and input lists.  Mention helper
153         function decl_overlaps_hard_reg_set_p.
154         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
155         hook_tree_tree_identity and to take three trees, returning third.
156         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
157         prototype.
158         * stmt.c: include hard-reg-set.h before tree.h.
159         (decl_overlaps_hard_reg_set_p): New function, broken out from...
160         (decl_conflicts_with_clobbers_p): Call
161         decl_overlaps_hard_reg_set_p.
162         (expand_asm_operands): Pass output and input lists in call to
163         targetm.md_asm_clobbers.
164         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
165         hook_tree_tree_tree_tree_3rd_identity.
166         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
167         parameters.
168         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
169         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
170         parameters, first two unused.
171         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
172         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
173         in constraint letters and MOF is not mentioned as a asm-declared
174         register in neither of the input and output lists.
175
176 2005-03-23  DJ Delorie  <dj@redhat.com>
177
178         * optabs.c (expand_binop): Make sure the first subword's result
179         gets stored.
180
181 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
182
183         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
184         Call c_common_truthvalue_conversion rather than
185         lang_hooks.truthvalue_conversion.
186         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
187         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
188         c-typeck.c.
189         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
190         c_common_truthvalue_conversion.
191         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
192         c_parser_conditional_expression, c_parser_binary_expression): Call
193         c_objc_common_truthvalue_conversion.
194         * c-typeck.c (build_unary_op): Call
195         c_objc_common_truthvalue_conversion.
196         (build_conditional_expr): Do not call
197         lang_hooks.truthvalue_conversion.
198         (build_binary_op): Call c_common_truthvalue_conversion.
199         (c_objc_common_truthvalue_conversion): Moved from
200         c-objc-common.c.  Call default_function_array_conversion instead
201         of default_conversion.
202
203 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
204
205         * c-common.h (default_conversion): Remove.
206         (perform_integral_promotions): Add.
207         * c-tree.h (default_conversion): Add.
208         * c-typeck.c (perform_integral_promotions): New, split out from
209         default_conversion.
210         * c-common.c (check_case_value): Use perform_integral_promotions,
211         not default_conversion.
212         (c_add_case_label): Don't continue processing case label after
213         found to be pointer.
214
215 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
216
217         * gcc.c (do_spec_1): Do not add a -L path for a directory in
218         the prefix list if we have already added a multilib directory
219         based on that path.
220         (main): Do not add MD_EXEC_PREFIX to the list of directories to
221         search with -L.
222
223 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
224
225         * reload1.c (indirect_symref_ok, reload_obstack): Make them
226         static.
227         * reload.h: Remove the prototype for indirect_symref_ok.
228
229         * reload1.c (indirect_symref_ok): Make it global.
230         * reload.h: Add a prototype for indirect_symref_ok.
231
232 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
233
234         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
235         ashlhi3 expander.
236
237 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
238
239         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
240
241 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
242
243         * c-opts.c (c_common_parse_file): Only start/end main source file
244         if debug hooks says the writer wants it.
245         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
246         member.
247         (xcoff_debug_hooks): Ditto.
248         * debug.c (do_nothing_hooks): Ditto.
249         * debug.h (gcc_debug_hooks): Ditto.
250         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
251         * sdbout.c (sdb_debug_hooks): Ditto.
252         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
253         
254 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
255
256         * doc/extend.texi: Deprecate C++ min/max operators.
257
258 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
259
260         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
261         artificial original candidates.
262
263 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
264             Jan Hubicka  <jh@suse.cz>
265             Steven Bosscher <stevenb@suse.de
266
267         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
268         call cost based on argument sizes.
269         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
270         inlining.
271         * params.def: (max-inline-inssn-single): Set to 450.
272         (max-inline-insns-auto): Set to 90.
273         (max-inline-insns-recursive): Set to 450
274         (max-inline-insns-recursive-auto): Set to 450.
275         (large-function-insns): Set to 2700.
276         (inline-call-cost): New parameter.
277         * tree-inline.c (estimate_move_cost): New function.
278         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
279         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
280         based on arguments.
281         * tree-inline.h (estimate_move_cost): Declare.
282         * invoke.texi: (max-inline-inssn-single): Change default to 450.
283         (max-inline-insns-auto): Change default to 90.
284         (max-inline-insns-recursive): Change default to 450
285         (max-inline-insns-recursive-auto): Change default to 450.
286         (large-function-insns): Change default to 2700.
287         (inline-call-cost): Document new parameter.
288
289 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
290
291         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
292         (TARGET_DEFAULT): Delete.
293         * config/i860/i860.opt: New file.
294
295 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
296
297         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
298         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
299         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
300         (frv_sched_lookahead): Delete.
301         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
302         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
303         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
304         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
305         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
306         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
307         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
308         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
309         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
310         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
311         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
312         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
313         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
314         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
315         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
316         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
317         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
318         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
319         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
320         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
321         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
322         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
323         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
324         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
325         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
326         (frv_sched_lookahead): Delete.
327         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
328         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
329         (frv_handle_option): New function.  Move -mcpu= handling from...
330         (frv_override_options): ...here.  Remove handling of other
331         TARGET_OPTIONS.
332         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
333         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
334         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
335         and TARGET_NO_MULTI_CE.
336         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
337         !TARGET_VLIW_BRANCH.
338         * config/frv/frv.opt: New file.
339
340 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
341
342         * fold-const.c (fold_ternary): Take decomposed arguments of
343         CALL_EXPR.
344         (fold): Update a call to fold_ternary.
345
346         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
347         * tree.h: Add corresponding prototypes.
348
349 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
350
351         PR target/20561
352         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
353         between jump table and its label.
354         * final.c (shorten_branches): Handle notes in between ADDR_VEC
355         resp. ADDR_DIFF_VEC and the label preceeding it.
356         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
357         is emitted in the right section.
358
359 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
360
361         * fold-const.c (fold_unary, fold_binary): Update comments
362         about arguments.
363
364 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
365
366         PR rtl-optimization/20527
367         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
368         REG_INC note, test that the register also isn't mentioned in PRED
369         or SUCC.
370
371 2005-03-22  Ben Elliston  <bje@au.ibm.com>
372
373         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
374         and definition.
375
376 2005-03-21  Mike Stump  <mrs@apple.com>
377
378         * varasm.c (default_assemble_visibility): Remove extra ().
379
380 2005-03-21  Roger Sayle  <roger@eyesopen.com>
381
382         PR middle-end/20557
383         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
384         to determine whether a block can be duplicated, rather than test
385         whether the block contains noncopyable insns ourselves.
386
387 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
388
389         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
390         predicates.
391
392 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
393
394         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
395
396 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
397
398         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
399         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
400         * config/fr30/fr30.opt: New file.
401
402 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
403         
404         Fix PR tree-optimization/20542
405
406         * tree-flow-inline.h (overlap_subvar): Move to here.
407         * tree-ssa-operands.c: From here.
408         * tree-flow.h (overlap_subvar): Declare.
409         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
410         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
411         for variables with subvars.
412         
413 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
414
415         PR middle-end/20177
416         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
417         * modulo-sched.c (const_iteration_count): Return on NULL
418         pre-header.
419         (print_node_sched_params): Return on NULL dump_file.
420         (generate_reg_moves): Handle reg-anti dependencies and disregard
421         closing branch when generating register moves.
422         (sms_schedule): Mark the SMSed block dirty.
423         * passes.c (rest_of_handle_sms): Call update_life_info for all
424         basic-blocks.
425         * testsuite/gcc.dg/20050321-1.c: New test.
426
427 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
428
429         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
430         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
431         movqi_internal): Likewise.
432
433 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
434
435         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
436         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
437         xtensa_b4const): Delete prototypes.
438         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
439         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
440         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
441         xtensa_extra_constraint): New prototypes.
442         (add_operand, arith_operand, nonimmed_operand, mem_operand,
443         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
444         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
445         move_operand, const_float_1_operand, fpmem_offset_operand,
446         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
447         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
448         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
449         argument type to HOST_WIDE_INT.
450         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
451         xtensa_mask_immediate): Likewise.
452         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
453         Likewise.  Also make these functions static.
454         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
455         (xtensa_const_ok_for_letter_p): New.
456         (add_operand, arith_operand, nonimmed_operand, mem_operand,
457         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
458         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
459         move_operand, const_float_1_operand, fpmem_offset_operand,
460         branch_operator, ubranch_operator, boolean_operator): Move to
461         predicates.md.
462         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
463         (xtensa_mem_offset): Change return type to bool.
464         (xtensa_extra_constraint): New.
465         (gen_int_relational): Update type of const_range_p function pointer.
466         Use xtensa_b4const_or_zero.
467         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
468         xtensa_const_ok_for_letter_p.  Update comments.
469         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
470         (PREDICATE_CODES): Delete.
471         * config/xtensa/xtensa.md: Include predicates.md.
472         * config/xtensa/predicates.md: New file.
473
474 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
475
476         * config/v850/v850-protos.h: Remove the prototypes for
477         reg_or_int9_operand, reg_or_const_operand,
478         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
479         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
480         movsi_source_operand, power_of_two_operand,
481         not_power_of_two_operand, special_symbolref_operand,
482         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
483         register_is_ok_for_epilogue.
484         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
485         reg_or_int9_operand, reg_or_const_operand,
486         call_address_operand, special_symbolref_operand,
487         movsi_source_operand, power_of_two_operand,
488         not_power_of_two_operand, register_is_ok_for_epilogue,
489         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
490         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
491         predicates.md.
492         * config/v850/v850.h (PREDICATE_CODES): Remove.
493         * config/v850/v850.md: Include predicates.md.
494         * config/v850/predicates.md: New.
495
496 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
497
498         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
499         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
500         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
501         (itoolsdir, itoolsdatadir): Move definition above new first use.
502         (install-itoolsdirs): New rule.
503         (install-mkheaders): Depend on install-itoolsdirs, not
504         install-include-dir.
505
506 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
507
508         * tree-into-ssa.c: Remove obsolete comments.
509
510 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
511
512         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
513         unrolling if -fpeel-loops is specified, too.
514         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
515         Remove superfluous check for flag_unroll_loops.
516
517 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
518
519         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
520         (lrint_optab, llrint_optab): Define corresponding macros.
521         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
522         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
523         pattern and llrint_optab using llrintdi2 patterns.
524         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
525         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
526         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
527         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
528         flag_unsafe_math_optimizations is set.
529
530 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
531
532         * combine.c (combine_simplify_rtx, simplify_if_then_else,
533         simplify_logical, if_then_else_cond, known_cond,
534         simplify_comparison): Adjust calls to reverse_comparison.
535         Don't use combine_reversed_comparison_code).
536         (combine_reversed_comparison_code): Remove.
537         (reversed_comparison): Using reversed_comparison_code, move it...
538         * jump.c (reversed_comparison): ... here.
539         * rtl.h (reversed_comparison): Add prototype.
540
541 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
542
543         * builtins.c (fold_builtin): Take decomposed arguments of
544         CALL_EXPR.
545         * fold-const.c (fold_ternary): Update a call to fold_builtin.
546         * gimplify.c (gimplify_call_expr): Likewise.
547         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
548         * tree.h: Update the prototype of fold_builtin.
549
550 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
551
552         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
553         * rtlhooks.c (gen_lowpart_no_emit_general): New.
554         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
555         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
556         * simplify-rtx.c (simplify_binary_operation_1): Use it.
557
558 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
559
560         * builtins.c (fold_builtin_1): Take decomposed arguments of
561         CALL_EXPR.
562         (fold_builtin): Update a call to fold_builtin_1.
563
564 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
565
566         PR other/20564
567         * gcov.c (output_lines): Only output function block summary when
568         outputting branch information.
569         * doc/gcov.texi: Document format of preamble and additional block
570         information lines.
571
572 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
573
574         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
575         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
576         the defaults false if BITS_PER_UNIT != 8.
577         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
578         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
579         than BITS_PER_UNIT != 8.
580         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
581         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
582         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
583         #undefs.
584         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
585         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
586
587 2005-03-20  Roger Sayle  <roger@eyesopen.com>
588
589         PR middle-end/20539
590         * fold-const.c (fold_binary): Fix type mismatch between
591         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
592         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
593         for non-truth-valued expressions.
594
595         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
596         and FUNCTION_DECL in the main switch.
597         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
598         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
599         we also need to convert their operands to match.
600         <TRUTH_NOT_EXPR>: Likewise.
601
602 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
603
604         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
605         diagnostic without checking whether an lvalue.
606         * c-common.h (lvalue_p): Remove.
607         (enum lvalue_use): Update comment.
608         (lvalue_or_else): Replace by lvalue_error.
609         * c-typeck.c (lvalue_p): Make static.
610         (lvalue_or_else): New.  Call lvalue_error.
611
612 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
613
614         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
615         (function_arg_advance): Use rs6000_parm_start.
616         (function_arg, rs6000_arg_partial_bytes): Likewise.
617
618 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
619
620         * c-common.c (check_case_value): Adjust comment about stripping
621         NOPs.
622         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
623         * c-typeck.c (default_conversion, convert_arguments,
624         build_modify_expr, convert_for_assignment, store_init_value,
625         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
626         manually.  Remove inaccurate comments.
627
628 2005-03-20  Roger Sayle  <roger@eyesopen.com>
629             Joseph S. Myers  <joseph@codesourcery.com>
630
631         * varasm.c (do_assemble_alias): Restore comment describing function.
632         Annotate the target parameter as potentially unused.
633
634 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
635
636         PR target/18551
637         * config/avr/avr.c (avr_output_function_prologue): Do not use
638         current_function_name() in a label, use a local label instead.
639
640 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
641
642         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
643         flag_finite_math_only, not flag_unsafe_math_optimizations.
644
645 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
646
647         * builtins.c (fold_builtin_1): Update a call to
648         targetm.fold_builtin.
649         * hooks.c (hook_tree_tree_bool_null): Rename to
650         hook_tree_tree_tree_bool_null.  Take one more argument of type
651         tree.
652         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
653         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
654         hook_tree_tree_tree_bool_null.
655         * target.h (gcc_target): Update the prototype of fold_builtin.
656         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
657         arguments of CALL_EXPR.
658         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
659         new prototype.
660
661 2005-03-20  Jan Hubicka  <jh@suse.cz>
662
663         * cgraph.h (cgraph_node): Add prev_clone pointer.
664         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
665         (cgraph_clone_node): Produce doubly linked chain.
666
667 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
668
669         * c-common.c (handle_aligned_attribute, check_function_sentinel,
670         get_nonnull_operand, handle_sentinel_attribute,
671         check_function_arguments_recurse): Do not strip NOPS from
672         INTEGER_CSTs.
673         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
674         Likewise.
675         * c-format.c (get_constant): Likewise.
676         * c-parser.c (c_parser_postfix_expression): Likewise.
677         * c-typeck.c (set_init_index): Likewise.
678         (convert_arguments): Don't check for NOP_EXPR containing integer
679         constant.
680
681 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
682
683         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
684         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
685         Take decomposed arguments of CALL_EXPR.
686         (fold_builtin_1): Update calls to the functions mentioned
687         above.
688
689 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
690
691         * c-decl.c (check_bitfield_type_and_width): Require bit-field
692         width to have integer type.
693         (build_enumerator): Require enumerator value to have integer type.
694
695 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
696
697         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
698         to __builtin_inff.
699
700 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
701
702         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
703         std=iso9899:199x): Correct descriptions.
704
705 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
706
707         * config.gcc: Consistently use solaris2.1[0-9]* instead of
708         solaris2.1[0-9].
709
710 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
711
712         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
713         of CALL_EXPR.
714         (expand_builtin_memcpy, fold_builtin_1): Update calls to
715         fold_builtin_memcpy.
716
717         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
718         arguments of CALL_EXPR.
719         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
720         fold_builtin_found, fold_builtin_1): Update calls to
721         fold_trunc_transparent_mathfn.
722
723 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
724
725         PR middle-end/20493
726         * fold-const.c (fold_widened_comparison): Don't optimize casts of
727         function pointers on targets that require function pointer
728         canonicalization.
729         (fold_sign_changed_comparison): Likewise.
730
731 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
732
733         * combine.c (try_combine): When changing the mode of a hard reg, make
734         sure that doing so is valid.
735
736 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
737
738         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
739         (TARGET_HANDLE_OPTION): Override default.
740         (avr_handle_option): New function.
741         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
742         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
743         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
744         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
745         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
746         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
747         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
748         (TARGET_OPTIONS): Delete.
749         * config/avr/avr.opt: New file.
750
751 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
752
753         * config/m32r/m32r-protos.h: Remove the prototypes for
754         call_address_operand, symbolic_operand, seth_add3_operand,
755         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
756         reg_or_uint16_operand, reg_or_cmp_int16_operand,
757         two_insn_const_operand, move_src_operand,
758         move_double_src_operand, move_dest_operand,
759         eqne_comparison_operator, signed_comparison_operator,
760         large_insn_p, conditional_move_operand, carry_compare_operand,
761         m32r_block_immediate_operand, extend_operand,
762         reg_or_eq_int16_operand, int8_operand, and
763         reg_or_zero_operand.
764         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
765         seth_add3_operand, int8_operand, cmp_int16_operand,
766         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
767         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
768         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
769         move_double_src_operand, move_dest_operand,
770         eqne_comparison_operator, signed_comparison_operator,
771         extend_operand, small_insn_p, large_insn_p,
772         conditional_move_operand, carry_compare_operand,
773         m32r_block_immediate_operand): Move to predicates.md.
774         (MAX_MOVE_BYTES): Move to m32r.h.
775         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
776         * config/m32r/m32r.md: Include predicates.md.
777         * config/m32r/predicates.md: New.
778
779 2005-03-18  James E Wilson  <wilson@specifixinc.com>
780
781         PR c++/19769
782         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
783         origin.
784
785 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
786
787         * config/mn10300/mn10300-protos.h: Remove the prototypes for
788         call_address_operand, const_8bit_operand.
789         * config/mn10300/mn10300.c (call_address_operand,
790         const_8bit_operand, const_1f_operand): Move to predicates.md.
791         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
792         * config/mn10300/mn10300.md: Include predicates.md.
793         * config/mn10300/predicates.md: New.
794
795 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
796
797         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
798         declarations in diagnostics and %E for identifiers, not %s.
799
800 2005-03-18  Jan Hubicka  <jh@suse.cz>
801             Dale Johannesen  <dalej@apple.com>
802
803         * basic-block.h (scale_bbs_frequencies_int,
804         scale_bbs_frequencies_gcov_type): Declare.
805         * cfg.c (RDIV): New macro.
806         (update_bb_frequency_for_threading): Fix.
807         * basic-block.h (scale_bbs_frequencies_int,
808         scale_bbs_frequencies_gcov_type): New.
809         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
810         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
811         scale_bbs_frequencies_int.
812         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
813
814 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
815
816         * config/m32r/m32r-protos.h: Remove the prototypes for
817         call_address_operand, symbolic_operand, seth_add3_operand,
818         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
819         reg_or_uint16_operand, reg_or_cmp_int16_operand,
820         two_insn_const_operand, move_src_operand,
821         move_double_src_operand, move_dest_operand,
822         eqne_comparison_operator, signed_comparison_operator,
823         large_insn_p, conditional_move_operand, carry_compare_operand,
824         m32r_block_immediate_operand, extend_operand,
825         reg_or_eq_int16_operand, int8_operand, and
826         reg_or_zero_operand.
827         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
828         seth_add3_operand, int8_operand, cmp_int16_operand,
829         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
830         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
831         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
832         move_double_src_operand, move_dest_operand,
833         eqne_comparison_operator, signed_comparison_operator,
834         extend_operand, small_insn_p, large_insn_p,
835         conditional_move_operand, carry_compare_operand,
836         m32r_block_immediate_operand): Move to predicates.md.
837         (MAX_MOVE_BYTES): Move to m32r.h.
838         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
839         * config/m32r/m32r.md: Include predicates.md.
840         * config/m32r/predicates.md: New.
841
842         * config/pa/pa-protos.h: Add prototypes for magic_milli and
843         shadd_constant_p.
844         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
845         symbolic_operand, symbolic_memory_operand,
846         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
847         indexed_memory_operand, move_dest_operand, move_src_operand,
848         prefetch_cc_operand, prefetch_nocc_operand,
849         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
850         arith_operand, arith11_operand, pre_cint_operand,
851         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
852         ireg_operand, int5_operand, uint5_operand, int11_operand,
853         uint32_operand, arith5_operand, and_operand, ior_operand,
854         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
855         pc_or_label_operand, div_operand, plus_xor_ior_operator,
856         shadd_operand, movb_comparison_operator,
857         cmpib_comparison_operator): Move to predicates.md.
858         (magic_milli, shadd_constant_p): Make it extern.
859         * config/pa/pa.h (PREDICATE_CODES): Remove.
860         * config/pa/pa.md: Include predicates.md.
861         * config/pa/predicates.md: New.
862
863         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
864         predicate.
865
866 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
867
868         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
869         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
870         config/alpha/freebsd.h, config/alpha/linux.h,
871         config/alpha/netbsd.h, config/alpha/osf5.h,
872         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
873         config/h8300/h8300-protos.h, config/h8300/h8300.c,
874         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
875         doc/cppopts.texi: Update copyright.
876
877 2005-03-18  Jan Hubicka  <jh@suse.cz>
878
879         PR middle-end/20225
880         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
881         too late.
882         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
883         called too late.
884
885 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
886
887         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
888         VEC_safe_push.
889
890 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
891
892         * combine.c (gen_binary): Remove.
893         (known_cond, simplify_shift_const, find_split_point,
894         combine_simplify_rtx, simplify_if_then_else, simplify_set,
895         simplify_logical, expand_field_assignment, extract_left_shift,
896         force_to_mode, if_then_else_cond, apply_distributive_law,
897         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
898         simplify_comparison, reversed_comparison): Replace with
899         simplify_gen_binary, simplify_gen_relational or
900         distribute_and_simplify_rtx.
901         (distribute_and_simplify_rtx): New function.
902
903 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
904             Paolo Bonzini  <gcc.gnu.org>
905
906         * calls.c (setjmp_call_p, special_function_p): Update comments
907         at the head of the functions.
908
909 2005-03-18  Jan Hubicka  <jh@suse.cz>
910
911         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
912
913         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
914         function body should be released; do not proactively release function
915         bodies in non-unit-at-a-time mode.
916
917 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
918
919         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
920         mno-fp-ret-in-387 multilib variants.
921
922 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
923
924         * common.opt (m): Remove.
925         * opts.c (handle_option): Pass 'm' options to set_target_switch if
926         table lookup fails.
927         (common_handle_option): Remove OPT_m case.
928
929 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
930
931         * builtins.c (fold_builtin_bitop): Take decomposed arguments
932         of CALL_EXPR.
933         (fold_builtin_1): Update a call to fold_builtin_bitop.
934
935         * builtins.c (fold_builtin_signbit): Take decomposed arguments
936         of CALL_EXPR.
937         (fold_builtin_1): Update a call to fold_builtin_signbit.
938
939 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
940
941         PR tree-optimization/20474
942         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
943         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
944
945 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
946
947         * config/h8300/h8300-protos.h: Remove prototypes for
948         general_operand_src, general_operand_dst, single_one_operand,
949         single_zero_operand, call_insn_operand,
950         two_insn_adds_subs_operand, small_call_insn_operand,
951         jump_address_operand, bit_operand, bit_memory_operand,
952         stack_pointer_operand, const_int_gt_2_operand,
953         const_int_ge_8_operand, const_int_qi_operand,
954         const_int_hi_operand, incdec_operand, bit_operator,
955         nshift_operator, eqne_operator, gtle_operator,
956         gtuleu_operator, iorxor_operator.
957         Add prototypes for h8sx_shift_type h8sx_classify_shift and
958         h8300_ldm_stm_parallel.
959         * config/h8300/h8300.c (h8sx_shift_type,): Move to
960         h8300-protos.h.
961         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
962         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
963         (h8300_ldm_stm_parallel): Make it extern.
964         (h8300_ldm_parallel, h8300_stm_parallel,
965         h8300_return_parallel, general_operand_src,
966         general_operand_dst, h8300_dst_operand, h8300_src_operand,
967         nibble_operand, reg_or_nibble_operand, single_one_operand,
968         single_zero_operand, call_insn_operand,
969         two_insn_adds_subs_operand, small_call_insn_operand,
970         jump_address_operand, bit_operand, bit_memory_operand,
971         stack_pointer_operand, const_int_gt_2_operand,
972         const_int_ge_8_operand, const_int_qi_operand,
973         const_int_hi_operand, incdec_operand, eqne_operator,
974         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
975         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
976         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
977         nshift_operator): Move to predicates.md.
978         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
979         * config/h8300/h8300.md: Include predicates.md.
980         * config/h8300/predicates.md: New.
981
982 2005-03-17  Richard Henderson  <rth@redhat.com>
983
984         * config.gcc (ia64*-*-hpux*): Add extra_options.
985         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
986         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
987         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
988         (ia64_tls_size_string, ia64_tune_string): Remove.
989         (ia64_tune): Init to PROCESSOR_ITANIUM2.
990         (TARGET_DEFAULT_TARGET_FLAGS): New.
991         (TARGET_HANDLE_OPTION): New.
992         (ia64_override_options): Move options parsing ...
993         (ia64_handle_option): ... here.  New.
994         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
995         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
996         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
997         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
998         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
999         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
1000         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
1001         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
1002         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
1003         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
1004         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
1005         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
1006         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
1007         TARGET_EARLY_STOP_BITS): Remove.
1008         (TARGET_ILP32): Default false.
1009         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
1010         (enum ia64_inline_type): New.
1011         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
1012         * config/ia64/ia64.md: Update for new definitions of
1013         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
1014         * config/ia64/ia64.opt: New file.
1015         * config/ia64/ilp32.opt: New file.
1016
1017 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
1018
1019         PR target/18380
1020         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
1021
1022 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
1023
1024         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
1025         instead of MASK_H8300S.
1026         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
1027         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
1028         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
1029         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
1030         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
1031         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
1032         TARGET_SWITCHES): Remove.
1033         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
1034         TARGET_H8300SX.
1035         * config/h8300/h8300.opt: New.
1036
1037         * config/alpha/alpha.opt, config/arc/arc.opt,
1038         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
1039         notices.
1040
1041 2005-03-17  Ian Lance Taylor  <ian@airs.com>
1042
1043         * gmon.c: Remove.
1044
1045 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
1046
1047         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
1048         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
1049         (TARGET_HANDLE_OPTION): Override default.
1050         (arc_handle_option): New function.
1051         (arc_init): Remove code to set arch_cpu_string.
1052         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
1053         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
1054         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
1055         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
1056         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
1057         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
1058         (arc_rodata_string, TARGET_OPTIONS): Delete.
1059         * config/arc/arc.opt: New file.
1060
1061 2005-03-17  Richard Henderson  <rth@redhat.com>
1062
1063         * doc/extend.texi (Weak Pragmas): New section.
1064         (attribute alias): Clarify that target must be in the same
1065         translation unit.
1066
1067 2005-03-17  Richard Henderson  <rth@redhat.com>
1068
1069         * config/alpha/alpha.opt: New file.
1070         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
1071         of alpha_cpu.
1072         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
1073         alpha_fprm_string, alpha_fptm_string): Make static.
1074         (alpha_tls_size_string): Remove.
1075         (alpha_handle_option): New.
1076         (override_options): Update for alpha_cpu/alpha_tune split.
1077         (alpha_file_start): Likewise.
1078         (TARGET_DEFAULT_TARGET_FLAGS): New.
1079         (TARGET_HANDLE_OPTION): New.
1080         * config/alpha/alpha.h (alpha_tune): Declare.
1081         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
1082         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
1083         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
1084         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
1085         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
1086         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
1087         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
1088         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
1089         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
1090         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
1091         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
1092         (TARGET_DEFAULT): Remove MASK_FP.
1093         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
1094         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
1095         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
1096         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
1097         alpha_tls_size_string): Remove.
1098         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
1099         (attribute tune): Rename from attribute cpu.
1100         * config/alpha/ev4.md: Update to match.
1101         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
1102         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
1103         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
1104         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
1105         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
1106         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
1107
1108 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
1109
1110         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
1111         and return without creating new state if before_nops_num is nonzero.
1112         * config/ia64/ia64.md (first_insn): New attribute.
1113         (alloc): Set it to yes.
1114
1115 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
1116
1117         * tree-vectorizer.c (new_vec_stmt_info): Initialize
1118         STMT_VINFO_SUBVARS to NULL.
1119         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
1120
1121 2005-03-16 Dale Johannesen  <dalej@apple.com>
1122
1123         * rtlanal.c (find_first_parameter_load):  Rewrite to
1124         return actual first param load or the call if none,
1125         instead of first in block, when not all loads exist.
1126
1127 2005-03-16  Roger Sayle  <roger@eyesopen.com>
1128
1129         * optabs.c (expand_copysign_absneg): Make static.
1130         * optabs.h (expand_copysign_absneg): Delete prototype.
1131         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
1132
1133 2005-03-16  Richard Henderson  <rth@redhat.com>
1134
1135         PR middle-end/15700
1136         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
1137         (alias_pairs): Rename from output_defs.
1138         (find_decl_and_mark_needed): Split out from assemble_alias.
1139         (do_assemble_alias): New.
1140         (assemble_output_def): Remove.
1141         (finish_aliases_1, finish_aliases_2): New.
1142         (process_pending_assemble_output_defs): Remove.
1143         (assemble_alias): Defer aliases for which we don't yet have a
1144         non-external decl for the target symbol.
1145         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
1146         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
1147         * toplev.c (compile_file): Use finish_aliases_2 instead of
1148         process_pending_assemble_output_defs.
1149         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
1150         (process_pending_assemble_output_defs): Remove.
1151
1152 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
1153
1154         Fix PR tree-optimization/20489
1155
1156         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
1157         for empty structures.
1158
1159 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
1160
1161         Fix PR tree-optimization/20490
1162
1163         * tree-ssa-pre.c (create_expression_by_pieces): Use
1164         force_gimple_operand on result of fold.
1165
1166 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
1167
1168         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
1169         of closing parenthesis.
1170
1171 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
1172
1173         * builtins.c (expand_movstr): Update a call to
1174         fold_builtin_strcpy.
1175         (expand_builtin_strncpy): Update a call to
1176         fold_builtin_strncpy.
1177         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
1178         arguments of CALL_EXPR.
1179         (fold_builtin_1): Update calls to fold_builtin_strcpy and
1180         fold_builtin_strncpy.
1181         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
1182         * tree.h: Update the prototypes of fold_builtin_strcpy and
1183         fold_builtin_strncpy.
1184
1185 2005-03-16  Steven Bosscher  <stevenb@suse.de>
1186             Dorit Naishlos  <dorit@il.ibm.com>
1187
1188         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
1189         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
1190         error.
1191
1192 2005-03-16  Steven Bosscher  <stevenb@suse.de>
1193
1194         * tree-inline.c (walk_type_fields, walk_tree,
1195         walk_tree_without_duplicates): Move from here...
1196         * tree.c: ...to here.
1197
1198 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
1199
1200         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
1201         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
1202         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
1203         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
1204         (version): Define using $(BASEVER_c).
1205         (Makefile, config.status, build/gcov-iov.o): No longer depends on
1206         version.c.
1207         (version.o): Depend on version files; add custom generation command.
1208         (prefix.o): Define BASEVER on command line.
1209         (s-iov): Depend on version files; adjust command.
1210         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
1211         Add gcc-vers.texi.
1212         (gcc-vers.texi): New rule.
1213         (doc/%.info, doc/%.dvi): Add -I . to command line.
1214         (doc/gccinstall.dvi): Likewise.
1215         (PACKAGE): Delete.  All uses replaced with "gcc".
1216         * aclocal.m4: Do not include gcc-version.m4.
1217         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
1218         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
1219         Set is_release based on contents of DEV-PHASE.
1220         Set gcc_version based on contents of BASE-VER.
1221         Define WIN32_REGISTRY_KEY only if the user overrode the default.
1222         * config.in, configure: Regenerate.
1223         * gccbug.in: Determine version of GCC in use at runtime.
1224         * gcov-iov.c: Get version number and development phase from
1225         command line, not by including version.c.
1226         * intl.c: Replace all uses of PACKAGE with "gcc".
1227         * libada-mk.in: Delete unused "gcc_version" variable.
1228         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
1229         * version.c: (VERSUFFIX): New hook for redistributors; adjust
1230         commentary to match.
1231         (version_string): Put together from pieces.
1232         * config/alpha/x-vms: Do not use $(gcc_version).
1233         * config/i386/t-nwld: Likewise.
1234         * doc/include/gcc-common.texi: Include gcc-vers.texi for
1235         version-GCC and DEVELOPMENT.
1236
1237 2005-03-15  Roger Sayle  <roger@eyesopen.com>
1238
1239         PR tree-optimization/17454
1240         * tree.c (tree_size): Add case for TREE_BINFO.
1241         * fold-const.c (fold_checksum_tree): Only clear the overloaded
1242         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
1243
1244 2005-03-15  Roger Sayle  <roger@eyesopen.com>
1245
1246         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
1247         op1 whilst expanding the signed widenening multiply variant.
1248
1249 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
1250
1251         * toplev.c (display_target_options): Avoid unused variable warning if
1252         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
1253         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
1254         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
1255         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
1256         (mips_isa_info): New variable.
1257         (mips_parse_cpu): Remove the first argument and leave the caller
1258         to report errors.
1259         (TARGET_HANDLE_OPTION): Override default.
1260         (mips_handle_option): New function.  Move option validation code from...
1261         (override_options): ...here.  Update calls to mips_parse_cpu.
1262         * config/mips/mips.h (mips_arch_string, mips_tune_string)
1263         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
1264         (SUBTARGET_TARGET_OPTIONS): Delete.
1265         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
1266         (mno-flush-func, mtune=): New options.
1267
1268 2005-03-15  Roger Sayle  <roger@eyesopen.com>
1269             Richard Henderson  <rth@redhat.com>
1270
1271         * real.c (c4x_single_format, c4x_extended_format): Provide values
1272         for signbit_ro for c4x's single and extended floating point formats.
1273         * optabs.c (expand_copysign): Use the floating point format's
1274         signbit_ro for expanding via expand_copysign_absneg, and it's
1275         signbit_rw field for expanding via expand_copysign_bit.
1276
1277 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
1278
1279         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
1280         known_alignment_for_access_p.
1281         (known_alignment_for_access_p): New.
1282         (do_peeling_for_alignment): Field made int instead of bool and renamed
1283         to peeling_for_alignment.
1284         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
1285         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
1286         functionality used to be in vect_analyze_operations.
1287         (vect_analyze_operations): Code to determine vectorization factor was
1288         moved to vect_determine_vectorization_factor.
1289         (vect_enhance_data_refs_alignment): Update to correct alignment when it
1290         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
1291         factor.
1292         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
1293         be part of vect_analyze_operations).
1294         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
1295         creating the guard condition, as the number of iterations may be
1296         constant.
1297         (slpeel_tree_peel_loop_to_edge): Use new name of
1298         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
1299         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
1300         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
1301         (vect_do_peeling_for_alignment): Use fold.
1302         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
1303
1304         (vect_update_inits_of_dr): Renamed to
1305         vect_update_init_of_dr.
1306         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
1307         (vectorizable_store): Fix assertion to use == instead of =.
1308
1309 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
1310
1311         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
1312         call_used_regs for wCG registers.
1313
1314 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
1315
1316         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
1317         for non-offsettable memory references to cope with outstanding reload
1318         replacements, take 2.
1319
1320 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
1321
1322         PR target/18668
1323         * config/i386/i386.h (x86_fisttp): New.
1324         (TARGET_FISTTP): New macro.
1325         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
1326         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
1327         instruction when fisttp flag is set.
1328         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
1329
1330         * config/i386/i386.md (type attribute): Add fisttp.
1331         (unit attribute): Set to i387 for fisttp type.
1332         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
1333         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
1334         TARGET_FISTTP.
1335         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
1336         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
1337         macros.
1338         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
1339         patterns for TARGET_FISTTP.  Enable patterns for
1340         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
1341         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
1342         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
1343         implement fisttp x87 insn.
1344         (fix_trunc*_i387_fisttp splitters): New patterns.
1345         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
1346         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
1347         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
1348         clobber.
1349         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
1350         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
1351         Implement using mode macros. Disable patterns for TARGET_FISTTP.
1352         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
1353         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
1354         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
1355         Disable patterns for TARGET_FISTTP.
1356         (fix_trunc*_i387 splitters): Implement usign mode macros.
1357         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
1358         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
1359         (fix_trunx*_sse peephole2s): Implement using mode macros.
1360
1361 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
1362
1363         PR rtl-optimization/20291
1364         * combine.c (try_combine): If splitting fails, re-try with
1365         original combined pattern, i.e. before clobber stripping.
1366
1367 2005-03-14  Eric Christopher  <echristo@redhat.com>
1368
1369         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
1370         STACK_GROWS_DOWNWARD.
1371
1372 2005-03-14  Roger Sayle  <roger@eyesopen.com>
1373
1374         * real.h (struct real_format): Split the signbit field into two
1375         two fields, signbit_ro and signbit_rw.
1376         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
1377         mips_double_format, ieee_extended_motorola_format,
1378         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
1379         ieee_extended_intel_128_format, ibm_extended_format,
1380         mips_extended_format, ieee_quad_format, mips_quad_format,
1381         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
1382         i370_double_format, c4x_single_format, c4x_extended_format,
1383         real_internal_format): Update initializers for new field.
1384         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
1385         real_format structure.
1386         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
1387         field of the real_format structure.
1388
1389 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
1390
1391         Fix PR tree-optimization/20458
1392
1393         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
1394         DECL_EXTERNAL on STRUCT_FIELD tags.
1395         (clear_call_clobbered): Ditto.
1396         * tree-ssa-operands.c (note_addressable): Make sure the original
1397         variable doesn't slip into the addressable list if we have
1398         subvars.
1399         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
1400         tags too.
1401
1402 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
1403
1404         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
1405         (-fwide-exec-charset): Likewise.
1406         (-finput-charset): Likewise.
1407         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
1408         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
1409         * c.opt (Wnormalized): New.
1410
1411 2005-03-14  Devang Patel  <dpatel@apple.com>
1412
1413         * doc/invoke.texi: Add reference to Visibility document.
1414
1415 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
1416
1417         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
1418         MASK_SPLIT_ADDRESSES.
1419         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
1420         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
1421         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
1422         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
1423         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
1424         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
1425         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
1426         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
1427         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
1428         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
1429         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
1430         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
1431         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
1432         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
1433         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
1434         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
1435         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
1436         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
1437         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
1438         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
1439         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
1440         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
1441         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
1442         (TARGET_EXPLICIT_RELOCS): Delete.
1443         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
1444         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
1445         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
1446         (override_options): Set MASK_LONG64 if -mint64 is given and no
1447         -mlongXX option is.  Complain about -mint64 -mlong32.
1448         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
1449         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
1450         * config/mips/mips.opt: New file.
1451
1452 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
1453
1454         * config.gcc (extra_options): New variable for listing option files.
1455         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
1456         * configure.ac (extra_opt_files): New AC_SUBST variable.
1457         (tm_file_list, tm_include_list): Include options.h first.
1458         * configure: Regenerate.
1459         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
1460         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
1461         (s-options-h): New rule.
1462         (options.h): Depend on it.
1463         (TEXI_GCCINT_FILES): Add options.texi.
1464         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
1465         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
1466         * target.h (gcc_target): Add default_target_flags and handle_option.
1467         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
1468         (TARGET_HANDLE_OPTION): New macros.
1469         (TARGET_INITIALIZER): Include them.
1470         * opt-functions.awk (opt_args, nth_arg): New functions.
1471         (switch_flags): Handle the "Target" flag.
1472         (var_args): Delete.
1473         (var_name): Use opt_args and nth_arg.
1474         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
1475         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
1476         macros for the "Mask" and "InverseMask" options.
1477         * opts.h (cl_var_cond): New enum.
1478         (cl_option): Replace the "has_set_value" and "set_value" fields with
1479         "var_cond" and "var_value".
1480         (CL_TARGET): New macro.
1481         (option_enabled, print_filtered_help): Declare.
1482         (decode_options): Move definition.
1483         * opts.c (handle_option): Search for the original option before
1484         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
1485         var_cond and var_value fields.  Use targetm.handle_option to handle
1486         target options.
1487         (decode_options): Set target_flags to targetm.default_target_flags.
1488         (print_filtered_help): Make global.  Handle CL_TARGET.
1489         (option_enabled): New function.
1490         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
1491         (display_target_options, set_target_switch, print_switch_values)
1492         (default_pch_valid_p): Guard uses of target_switches with
1493         #ifdef TARGET_SWITCHES.  Also...
1494         (display_target_options): Display the CL_TARGET entries in cl_options.
1495         (set_target_option): Don't complain about the "" option when
1496         TARGET_SWITCHES is undefined.
1497         (print_switch_values): Use option_enabled.
1498         (default_pch_valid_p): Check cl_options[] when looking for something
1499         that has changed the value of target_flags.
1500         * c.opt: Remove documentation from top of file.
1501         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
1502         * doc/sourecebuild.texi: Refer to the new options documentation
1503         instead of c.opt.  Document machine-specific .opt files.
1504         * doc/tm.texi (target_flags): Say that this variable is declared
1505         by options.h.
1506         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
1507         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
1508         an alternative.
1509         * doc/options.texi: New file.
1510
1511 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
1512
1513         PR middle-end/18628
1514         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
1515         register.
1516
1517 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
1518
1519         PR c++/20280
1520         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
1521         temporary variable of pointer type if an lvalues is required.
1522         (gimplify_modify_expr_rhs): Request an rvalue from it.
1523         (gimplify_expr): Pass fallback on.
1524
1525 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
1526
1527         * cfgbuild.c: Update comments.
1528
1529 2005-03-14  Roger Sayle  <roger@eyesopen.com>
1530
1531         PR rtl-optimization/17236
1532         * optabs.c (expand_doubleword_mult): New helper function split out
1533         from expand_binop.  Permute the order in which instructions are
1534         emitted to minimize the number of simultaneously live registers.
1535         (expand_binop): Call expand_doubleword_mult to synthesize a double
1536         word multiplication.
1537
1538 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
1539
1540         * basic-block.h: Update the prototypes of cached_make_edge and
1541         rtl_make_eh_edge.
1542         * cfg.c (cached_make_edge): Take edge_cache representing one
1543         row of the adjacency matrix of edges.
1544         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
1545         (make_edges): Initialize edge_cache to represent one row of
1546         the adjacency matrix of edges.
1547
1548 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
1549
1550         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
1551         New functions.
1552         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
1553         Remove unused removed_phis variable.
1554         (conditional_replacement): Use build1/build2.
1555         (abs_replacement): Use last_and_only_stmt and build1/build2.
1556
1557 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
1558
1559         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
1560         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
1561         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
1562         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
1563         * c-common.c (handle_novops_attribute): New function.
1564         (c_common_attribute_table): Add "no vops" entry.
1565         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
1566         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
1567         * tree-ssa-operands.c (get_call_expr_operands): Do not
1568         create virtual operands for calls with ECF_NOVOPS flag.
1569         * tree.h (DECL_IS_NOVOPS): New macro.
1570         (struct tree_decl): Add novops_flag.
1571         (ECF_NOVOPS): New constant.
1572
1573 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
1574
1575         PR target/17688
1576         * config/i386/i386.c (x86_use_himode_fiop): New.
1577         (x86_use_simode_fiop): Rename from x86_use_fiop.
1578         * config/i386/i386.h (x86_use_himode_fiop): Declare.
1579         (TARGET_USE_HIMODE_FIOP): New.
1580         (x86_use_simode_fiop): Rename from x86_use_fiop.
1581         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
1582
1583         * config/i386/i386.md (X87MODEI12): New mode macro define.
1584         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
1585         to implement x87 FP compare with HImode input operands.
1586         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
1587         Use X87MODEI12 mode macro to handle HImode input operands.
1588         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
1589         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
1590         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
1591         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
1592         macro to implement x87 operators with HImode input operands.
1593         (fop splitters): Use X87MODEI12 mode macro to handle HImode
1594         input operands.
1595
1596 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
1597
1598         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
1599         integer_zerop.
1600         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
1601         constants invariant.
1602
1603 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
1604
1605         * basic-block.h (BB_VISITED): Removed.
1606         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
1607
1608 2005-03-14  Falk Hueffner  <falk@debian.org>
1609
1610         PR bootstrap/20424
1611         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
1612
1613 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
1614
1615         * ggc-zone.c: Fix comment typos.
1616
1617         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
1618         stringpool.c, config/mips/mips-protos.h: Update copyright.
1619
1620 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
1621
1622         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
1623         throughout with its typedef, "rtx".
1624         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
1625         (rs6000_tls_symbol_ref_1): Remove inline keyword.
1626         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
1627         regs in comment to match code.
1628
1629 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
1630
1631         * except.c (check_handled): Make it static.
1632         * except.h: Remove the corresponding prototype.
1633
1634         * function.c (get_func_frame_size): Make it static.
1635         * function.h: Remove the corresponding type.
1636
1637         * regclass.c (reg_class_superclasses, reg_class_subclasses):
1638         Make them static.
1639         * hard-reg-set.h: Remove the corresponding declarations.
1640
1641         * tree-cfg.c (verify_stmts): Check that
1642         bb_for_stmt (stmt) == bb for every PHI node and statement.
1643
1644 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
1645
1646         * config.gcc: Remove excess indentation.
1647         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
1648
1649 2005-03-13  Roger Sayle  <roger@eyesopen.com>
1650
1651         PR middle-end/19331
1652         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
1653         * fold-const.c (fold_sign_changed_comparison): Likewise.
1654         (fold_binary): Optimize comparisons against widened operands if
1655         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
1656
1657 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
1658
1659         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
1660         (sparc_override_options): Initialize it.
1661         (sparc_struct_value_rtx): Set it on the MEM to be returned.
1662
1663 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
1664
1665         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
1666         (reg_or_none500mem_operand): New predicate.
1667         (zero_reg_mem_operand): New predicate.
1668         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
1669         to reg_or_none500mem_operand.
1670         (extendsfdf2_fpr): Add MEM alternative.
1671         (extenddftf2_internal): Change operand2 predicate to
1672         zero_reg_mem_operand.
1673
1674 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
1675
1676         * ggc-zone.c: Rewritten.
1677
1678         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
1679         if there are none.
1680         * configure.ac: Define GGC_ZONE for --with-gc=zone.
1681         * config.in: Regenerated.
1682         * configure: Regenerated.
1683         * gengtype.c (write_types_process_field, write_func_for_structure):
1684         Pass new argument to gt_pch_note_object.
1685         * ggc-common.c (struct ptr_data): Add TYPE.
1686         (gt_pch_note_object): Take TYPE argument and save it.
1687         (call_count): Update call to ggc_pch_count_object.
1688         (call_alloc): Update call to ggc_pch_alloc_object.
1689         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
1690         file.
1691         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
1692         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
1693         (ggc_alloc_zone_stat): Delete.
1694         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
1695         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
1696         (ggc_pch_alloc_object): Update prototypes.
1697         (garbage_zone): Delete.
1698         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
1699         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
1700         pointers.
1701         (tree_id_zone): New variable.
1702         (ggc_alloc_cleared_zone): Remove unused.
1703         (ggc_alloc_zone): Define.
1704         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
1705         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
1706         ggc_alloc_zone_stat.
1707         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
1708         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
1709         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
1710         (make_node_stat): Likewise.  Use tree_id_zone.
1711
1712 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
1713             Joseph S. Myers  <joseph@codesourcery.com>
1714
1715         * configure.ac: Check for MIPS TLS.
1716         * configure: Regenerated.
1717         * config/mips/mips-protos.h (enum mips_symbol_type): Add
1718         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
1719         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
1720         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
1721         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
1722         (mips_classify_symbol, mips_symbolic_constant_p)
1723         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
1724         (mips_tls_operand_p, mips_call_tls_get_addr)
1725         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
1726         (mips_tls_symbol_ref_1): New functions.
1727         (mips_legitimize_address, mips_legitimize_const_move): Call
1728         mips_legitimize_tls_address.
1729         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
1730         for MIPS16.
1731         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
1732         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
1733         (mips_char_to_class): Document V1_REG.
1734         (HAVE_AS_TLS): Provide default.
1735         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
1736         constants.
1737         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
1738         !TARGET_ABICALLS.
1739         (tls_get_tp_<mode>): New instruction.
1740
1741 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
1742
1743         * configure.ac: Update checks for target tools.
1744         * configure: Regenerated.
1745
1746 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
1747
1748         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
1749
1750 2005-03-13  Roger Sayle  <roger@eyesopen.com>
1751
1752         * expmed.c (expand_mult): Use synthetic multiplication sequences for
1753         more classes of DImode multiplication by constant.  Allow both
1754         multiplication by small negative constants (by performing a
1755         multiplication by a positive constant and negating the result) and
1756         multiplications by large powers of two, by using a left shift.
1757
1758 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
1759
1760         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
1761         of basic blocks into work_stack.
1762
1763         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
1764         config/mips/vr.h: Update copyright.
1765
1766         * c-decl.c (c_init_decl_processing): Remove useless calls to
1767         build_function_type.
1768
1769         * builtins.c (fold_trunc_transparent_mathfn,
1770         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
1771         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
1772         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
1773         fold_builtin_strcpy, fold_builtin_strncpy,
1774         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
1775         TREE_TYPE (exp).
1776
1777         * builtins.c (expand_builtin_mathfn_3): Remove local variable
1778         before_call.
1779
1780         * lambda-code.c (lambda_compute_auxillary_space): Remove local
1781         variable determinant.
1782
1783         * tree-cfg.c (group_case_labels): Remove local variable type.
1784
1785         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
1786         variable ann.
1787
1788         * tree-ssa-phiopt.c (value_replacement): Remove local variable
1789         result.
1790
1791 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
1792
1793         PR target/18251
1794         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
1795         (*movmemqi_insn): Delete.
1796         (*movmemhi): Delete.
1797
1798 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
1799
1800         * builtins.c (fold_builtin_classify): Take decomposed
1801         arguments of CALL_EXPR.
1802         (fold_builtin_1): Update a call to fold_builtin_classify.
1803
1804 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
1805
1806         PR c/20402
1807         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
1808         through into call to parser_xref_tag after parse error.
1809         (c_parser_struct_declaration): Consistently return NULL_TREE on
1810         error.
1811
1812 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
1813
1814         * tree-flow-inline.h (ref_contains_array_ref): New function.
1815         (lookup_subvars_for_var): Ditto.
1816         (get_subvars_for_var): Ditto.
1817         (var_can_have_subvars): Ditto.
1818
1819         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
1820         (struct subvar): New type.
1821
1822         * tree-dfa.c (okay_component_ref_for_subvars): New function.
1823
1824         * tree-optimize.c (init_tree_optimization_passes): Call
1825         pass_create_structure_vars.
1826
1827         * tree-ssa-alias.c: Include vec.h.
1828         (init_alias_info): Don't auto-clear call clobbered on struct-field
1829         tags.
1830         (compute_flow_insensitive_aliasing): Handle subvars.
1831         (group_aliases): Handle STRUCT_FIELD aliases.
1832         (setup_pointers_and_addressables): Ditto.
1833         Don't mark variables non-addressable if they still have
1834         addressable subvars.
1835         Also mark subvars addressable when the real variable is marked
1836         addressable.
1837         (add_pointed_to_var): Try to prune the pointed-to set by only
1838         pointing to subvars when possible.
1839         Otherwise, make sure we set addresses_needed and pt_vars to
1840         properly include subvars.
1841         (bitpos_of_field): New function.
1842         (push_fields_onto_fieldstack): Ditto.
1843         (get_or_create_used_part_for): Ditto.
1844         (create_overlap_variables_for): Ditto.
1845         (find_used_portions): Ditto.
1846         (create_structure_vars): Ditto.
1847         (pass_create_structure_vars): New structure.
1848
1849         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
1850         (get_expr_operands): Handle subvars.  Also try to turn
1851         COMPONENT_REF accesses into must-defs now that we can accurately
1852         portray it.
1853         (note_addressable): Try to only mark as addressable those subvars
1854         we know a COMPONENT_REF touches.
1855         (overlap_subvar): New function.
1856
1857         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
1858         Handle subvar storing.
1859         (vect_address_analysis): Update caller of vect_object_analysis.
1860
1861         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
1862
1863         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
1864         (STMT_VINFO_SUBVARS): New macro.
1865
1866         * common.opts: add flag_tree_salias.
1867
1868         * opts.c (decode_options): flag_tree_salias defaults to on.
1869
1870         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
1871
1872         * doc/tree-ssa.texi: Document structural alias analysis.
1873
1874 2005-03-12  Steven Bosscher  <stevenb@suse.de>
1875
1876         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
1877         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
1878         * tree-ssa-operands.c (get_expr_operands): Likewise.
1879         (get_expr_operands): Likewise for ERROR_MARK.
1880
1881 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
1882
1883         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
1884         var.
1885
1886         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
1887         removed_phis.
1888
1889         * tree-ssa-pre.c (compute_avail): Remove local variable val.
1890         (mark_operand_necessary): Remove local variable ver.
1891
1892         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
1893         variable prefix_len.
1894
1895         * value-prof.c (mod_subtract_transform): Remove local variable
1896         value.
1897
1898         * builtins.c (fold_builtin_exponent): Take decomposed
1899         arguments of CALL_EXPR.
1900         (fold_builtin_1): Update a call to fold_builtin_exponent.
1901
1902         * builtins.c (fold_builtin_logarithm): Take decomposed
1903         arguments of CALL_EXPR.
1904         (fold_builtin_1): Update a call to fold_builtin_logarithm.
1905
1906         * c-decl.c (c_init_decl_processing): Remove local variables
1907         ptr_ftype_void and ptr_ftype_ptr.
1908
1909         * gimplify.c (gimplify_expr): Remove local variables r0 and
1910         r1.
1911
1912         * reg-stack.c (move_for_stack_reg): Remove local variable
1913         push_insn.
1914         (compare_for_stack_reg): Remove local variable flags_user.
1915         (convert_regs_1): Remove local variable deleted.
1916
1917         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
1918         variable new_cond.
1919         (combine_blocks): Remove local variables exits and new_e.
1920
1921         * tree-inline.c (expand_call_inline): Remove local variable
1922         decl.
1923
1924         * tree-ssa-live.c (create_ssa_var_map,
1925         calculate_live_on_entry): Remove local variable snn.
1926
1927 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
1928
1929         * c-lex.c (c_lex_with_flags): Add parameter to call to
1930         cpp_spell_token.
1931
1932 2005-03-11  Per Bothner  <per@bothner.com>
1933
1934         * c-tree.h (struct c_declarator): New id_loc field.
1935         * c-pragma.h (c_lex_with_flags): Take position reference.
1936         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
1937         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
1938         (c_lex): Pass dummy location to c_lex_with_flags.
1939         * c-parser.c (c_lex_one_token): Set c_token's location using
1940         c_lex_with_flags, instead of input_location, which might be "ahead".
1941         (c_parser_direct_declarator): Set declarator's id_loc from
1942         c_token's id_loc.
1943         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
1944         declarator's id_loc, rather than probably-imprecise input_location.
1945         (build_id_declarator): Initialize c_declarator's id_loc field.
1946
1947 2005-03-11  Roger Sayle  <roger@eyesopen.com>
1948
1949         PR middle-end/20419
1950         * builtins.c (expand_builtin_signbit): Force the signbit's word
1951         into an integer register to avoid SUBREGs of floating point modes.
1952
1953 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
1954
1955         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
1956         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
1957         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
1958         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
1959
1960 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
1961
1962         PR rtl-optimization/20306
1963         * expr.c (emit_move_complex): Set try_int false if mode is
1964         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
1965         emit_block_move if try_int is true.
1966
1967 2005-03-11  Richard Henderson  <rth@redhat.com>
1968
1969         PR target/20415
1970         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
1971         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
1972         to match.
1973
1974 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
1975
1976         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
1977         (TARGET_FIX_VR4130): New macro.
1978         (TARGET_OPTIONS): Add -mfix-vr4130.
1979         (ISA_HAS_MACCHI): New macro.
1980         (ASM_SPEC): Add -mfix-vr4130.
1981         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
1982         (override_options): Handle mips_fix_vr4130_string.
1983         (mips_avoid_hazards): Clear all_noreorder_p
1984         if we're working around VR4130 errata and the macc alternatives
1985         are not available.
1986         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
1987         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
1988         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
1989         (MULTILIB_DEFAULTS): Remove leading "march=".
1990         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
1991         if no architecture option is given.
1992         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
1993         VR4130 multilibs.
1994         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
1995         * doc/invoke.texi: Document -mfix-vr4130.
1996
1997 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
1998
1999         * config/mips/mips.c (override_options): Only warn about -mint64
2000         deprecation if TARGET_INT64.
2001
2002 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2003
2004         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
2005         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
2006         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
2007         are non-specific regarding the nonnull parameter positions.
2008         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
2009         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
2010         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
2011         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
2012
2013         * builtins.def: Use the non-specific "nonnull" attibute lists.
2014
2015 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
2016
2017         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
2018         single_pred_edge, single_succ, single_pred): Improve comments.
2019
2020 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
2021
2022         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
2023         single_pred_edge, single_succ, single_pred): New inline functions.
2024         * bb-reorder.c (rotate_loop, find_traces_1_round,
2025         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
2026         duplicate_computed_gotos): Use the single_succ/pred functions.
2027         * cfganal.c (forwarder_block_p): Ditto.
2028         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
2029         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
2030         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
2031         merge_seq_blocks): Ditto.
2032         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
2033         * cfglayout.c (fixup_reorder_chain): Ditto.
2034         * cfgloop.c (mark_single_exit_loops, update_latch_info,
2035         canonicalize_loop_headers, verify_loop_structure): Ditto.
2036         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
2037         mfb_update_loops, create_preheader, force_single_succ_latches,
2038         create_loop_notes): Ditto.
2039         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
2040         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
2041         commit_one_edge_insertion, purge_dead_edges,
2042         cfg_layout_can_merge_blocks_p): Ditto.
2043         * except.c (sjlj_emit_function_enter): Ditto.
2044         * flow.c (init_propagate_block_info): Ditto.
2045         * function.c (thread_prologue_and_epilogue_insns): Ditto.
2046         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
2047         insert_insn_end_bb): Ditto.
2048         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
2049         find_if_case_2): Ditto.
2050         * lambda-code.c (perfect_nestify): Ditto.
2051         * lcm.c (optimize_mode_switching): Ditto.
2052         * loop-doloop.c (doloop_modify): Ditto.
2053         * loop-init.c (loop_optimizer_init): Ditto.
2054         * loop-iv.c (simplify_using_initial_values): Ditto.
2055         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
2056         * loop-unswitch.c (unswitch_loop): Ditto.
2057         * modulo-sched.c (generate_prolog_epilog): Ditto.
2058         * predict.c (combine_predictions_for_insn, estimate_probability,
2059         tree_estimate_probability, last_basic_block_p,
2060         estimate_bb_frequencies): Ditto.
2061         * profile.c (branch_prob): Ditto.
2062         * regrename.c (copyprop_hardreg_forward): Ditto.
2063         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
2064         * tracer.c (layout_superblocks): Ditto.
2065         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
2066         cfg_remove_useless_stmts_bb, cleanup_control_flow,
2067         cleanup_control_expr_graph, disband_implicit_edges,
2068         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
2069         tree_verify_flow_info, tree_make_forwarder_block,
2070         tree_forwarder_block_p, remove_forwarder_block,
2071         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
2072         * tree-if-conv.c (tree_if_conversion): Ditto.
2073         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
2074         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
2075         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
2076         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
2077         copy_loop_headers): Ditto.
2078         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
2079         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
2080         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
2081         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
2082         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
2083         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
2084         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
2085         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
2086         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
2087         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
2088         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
2089         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
2090         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
2091         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
2092         slpeel_add_loop_guard): Ditto.
2093
2094 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
2095
2096         PR tree-optimization/15784
2097         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
2098         and -1 - A to ~A.
2099
2100         * stmt.c (expand_case): Don't change index_type.  Convert minval
2101         to the proper type.
2102
2103         PR tree-optimization/20130
2104         * fold-const.c (fold): Fold x * -1 into -x.
2105
2106 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2107
2108         PR rtl-optimization/20331
2109         * rtlanal.c (modified_between_p): Check its address first for MEM.
2110         (modified_in_p): Likewise.
2111
2112 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
2113
2114         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
2115
2116 2005-03-10  Steven Bosscher  <stevenb@suse.de>
2117
2118         * expr.c (expand_expr_real_1): If possible, use a conditional
2119         move for expanding MIN_EXPR and MAX_EXPR.
2120         Use temp for moving around rtx-en.
2121
2122 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
2123
2124         PR rtl-opt/20412
2125         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
2126         correct mode.
2127
2128 2005-03-10  Roger Sayle  <roger@eyesopen.com>
2129
2130         * builtins.c (expand_builtin_signbit): Extend to handle floating
2131         point modes wider than the largest integer type, using the
2132         operand_subword_force function to obtain the signbit's word.
2133
2134 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
2135
2136         PR target/20322
2137         * combine.c (try_combine): If recog_for_combine added CLOBBERs
2138         to NEWI2PAT, fail to combine if they are used by NEWPAT.
2139
2140 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
2141
2142         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
2143
2144 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
2145
2146         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
2147         type void.
2148         (perform_edge_inserts): Unconditionally call
2149         free_dominator_info.
2150
2151         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
2152
2153 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
2154
2155         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
2156
2157 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
2158
2159         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
2160
2161         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
2162         gcc_unreachable.
2163         (rtl_register_value_prof_hooks,
2164         tree_value_profile_transformations,
2165         tree_register_value_prof_hooks): Likewise.
2166         * var-tracking.c (stack_adjust_offset_pre_post,
2167         variable_htab_free, variable_union, dataflow_set_different_2,
2168         count_uses, variable_was_changed, set_frame_base_location,
2169         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
2170         vt_add_function_parameters): Likewise.
2171         * varasm.c (named_section_real, named_section, make_decl_rtl,
2172         asm_emit_uninitialised, assemble_integer, decode_addr_const,
2173         const_hash_1, compare_constant, copy_constant, force_const_mem,
2174         output_constant_pool_2, output_constant_pool_1, output_constant,
2175         output_constructor, make_decl_one_only, decl_tls_model,
2176         default_no_named_section, default_elf_select_section_1,
2177         default_unique_section_1): Likewise.
2178         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
2179         * vmsdbgout.c (addr_const_to_string): Likewise.
2180
2181         PR c++/20375
2182         * function.c (struct assign_parm_data_one): Remove last_named
2183         field.
2184         (assign_parm_find_data_types): Don't determine last_named.
2185         Reorder named_parm determination.
2186         (assign_parms): Only setup varargs on the last non-varadic
2187         parameter.
2188
2189 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
2190
2191         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
2192         sda base address on medium model.
2193
2194 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
2195
2196         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
2197         * cfgloop.c (flow_loop_nodes_find): Export.
2198         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
2199         Declare.
2200         * cfgloopmanip.c (fix_loop_structure): New function.
2201         * predict.c (predict_loops): Clean up the loops information.
2202         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
2203         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
2204         loop structure.
2205         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
2206         (rewrite_into_loop_closed_ssa): Declaration changed.
2207         * tree-loop-linear.c (linear_transform_loops): Add argument to
2208         rewrite_into_loop_closed_ssa call.
2209         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2210         * tree-ssa-loop-im.c (move_computations): Ditto.
2211         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
2212         * tree-vectorizer.c (vectorize_loops): Ditto.
2213         * tree-optimize.c: Include cfgloop.h.
2214         (execute_todo): Choose whether to call cleanup_tree_cfg or
2215         cleanup_tree_cfg_loop.
2216         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
2217         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
2218         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
2219         cleanup_tree_cfg_loop call.
2220         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
2221         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
2222         work on part of cfg.
2223
2224 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
2225
2226         PR inline-asm/20314
2227         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
2228         with multiple alternatives.
2229
2230         * stmt.c (parse_output_constraint): Fix a typo.
2231
2232 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
2233
2234         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
2235         assembly directive instead of deprecated "no-generics".
2236
2237 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
2238
2239         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
2240         for non-offsettable memory references to cope with outstanding reload
2241         replacements.
2242         * config/s390/s390.md ("reload_outti"): Call find_replacement to
2243         avoid losing outstanding address reloads.
2244         ("reload_outdi", "reload_outdf"): Likewise.
2245
2246 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2247
2248         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
2249         code.  Add more cbrt transformations.
2250
2251 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2252
2253         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
2254
2255 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
2256
2257         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
2258         NULL_TREE when a given tree is not simplified.
2259         (fold): Return the original tree when any of the functions
2260         mentioned above NULL_TREE.
2261
2262         * fold-const.c (fold_unary, fold_binary): Take decomposed
2263         arguments, code, type, op0, and op1 in case of fold_binary.
2264         (fold): Update calls to fold_unary and fold_binary.
2265
2266 2005-03-09  Roger Sayle  <roger@eyesopen.com>
2267
2268         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
2269         a fndecl and an arglist instead of a CALL_EXPR, exp.
2270
2271 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
2272
2273         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
2274
2275         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
2276
2277         * expr.c (expand_assignment): Remove orig_to_rtx.
2278
2279         * fold-const.c (int_const_binop): Remove no_overflow.
2280
2281         * ifcvt.c (noce_emit_move_insn): Remove inmode.
2282
2283         * loop-iv.c (get_biv_step_1): Remove lhs.
2284
2285         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
2286
2287         * real.c (real_nan): Remove neg.
2288
2289         * function.c (thread_prologue_and_epilogue_insns): Remove i
2290         and newinsn.
2291
2292         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
2293         tb.
2294
2295         * tree-eh.c (tree_could_trap_p): Remove idx.
2296
2297         * tree-into-ssa.c (ann): Remove ann.
2298
2299         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
2300
2301         * tree-sra.c (decide_block_copy): Remove inst_count.
2302
2303         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
2304
2305         * tree-ssa-loop-im.c (lhs): Remove.
2306
2307         * cfgbuild.c (state, STATE, SET_STATE,
2308         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
2309         make_edges.
2310         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
2311         (find_basic_blocks): Set the state of each basic block to
2312         BLOCK_NEW.
2313
2314 2005-03-08  Jeff Law  <law@redhat.com>
2315
2316         * tree-cfg.c (cleanup_control_flow): If removal of a computed
2317         goto results in the removal of edges in the CFG, then we need
2318         to recompute dominators.
2319
2320 2005-03-09  Ben Elliston  <bje@au.ibm.com>
2321
2322         * c-common.c (c_do_switch_warnings): Comment fix.
2323
2324 2005-03-08  Julian Brown  <julian@codesourcery.com>
2325
2326         * Patch from 2005-03-08 reverted for causing regressions and
2327         ppc-darwin bootstrap failure.
2328
2329 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
2330
2331         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
2332         Define the real function for ppc-darwin.
2333         * c-typeck.c (convert_arguments): Check for target-specific
2334         invalid argument call to unprototyped function.
2335         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
2336         New Macro.
2337         * target.h (invalid_arg_for_unprototyped_fn): New field
2338         in struct calls.
2339         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
2340         default target hook.
2341         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
2342         Declare.
2343
2344 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
2345
2346         * c-typeck.c (constructor_stack, constructor_range_stack,
2347         initializer_stack): Make them static.
2348
2349         * cfg.c (rbi_pool): Make it static.
2350
2351         * gimple-low.c (lower_stmt_body): Make it static.
2352         * tree-flow.h: Remove the corresponding prototype.  Don't
2353         declare lower_data.
2354
2355         * sched-deps.c (cache_size): Make it static.
2356
2357         * stor-layout.c (lang_adjust_rli): Make it static.
2358
2359 2005-03-08  Julian Brown  <julian@codesourcery.com>
2360
2361         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
2362         from being used for symbols with vague linkage when
2363         HAVE_GAS_COMDAT_GROUP is true.
2364
2365 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
2366
2367         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
2368         nlabel == JUMP_LABEL (jump).
2369
2370 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
2371
2372         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
2373         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
2374         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
2375         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
2376
2377 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
2378
2379         PR c/14411
2380         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
2381         * c-common.c (handle_returns_twice): New function.
2382         (c_common_attribute_table): Declare eturns_twice' attribute.
2383         * doc/extend.texi: Document eturns_twice' attribute.
2384         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
2385         (struct tree_decl): Add returns_twice_flag.
2386
2387 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
2388
2389         * tree-ssa-phiopt.c: Fix a comment typo.
2390
2391         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
2392         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
2393         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
2394         copyright.
2395
2396 2005-03-08  Richard Henderson  <rth@redhat.com>
2397
2398         * config/alpha/alpha.c (code_for_builtin): Replace special-case
2399         builtin codes with ctzdi2, clzdi2, popcountdi2.
2400         (struct alpha_builtin_def): Add is_const.
2401         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
2402         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
2403         (alpha_init_builtins): Init them.  Set nothrow and const attributes
2404         on builtins.
2405         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
2406         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
2407         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
2408         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
2409         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
2410         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
2411         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
2412         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
2413         (TARGET_FOLD_BUILTIN): New.
2414         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
2415         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
2416         (ffsdi2): Use ctz.
2417         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
2418
2419 2005-03-08  Ira Rosen  <irar@il.ibm.com>
2420
2421         PR tree-optimization/20122
2422         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
2423         condition of access function instead of base.
2424
2425 2005-03-07  Jeff Law  <law@redhat.com>
2426             Steven Bosscher  <stevenb@suse.de>
2427
2428         * tree-cfg.c (find_taken_edge_computed_goto): New function.
2429         (find_taken_edge): Call find_taken_edge_computed_goto as
2430         appropriate.  Allow any gimple invariant rather than just
2431         INTEGER_CST for VAL.
2432         (cleanup_control_flow): Cleanup a computed goto which has turned
2433         into a simple goto.
2434         (tree_merge_blocks): If block B has any forced labels, move
2435         them to the start of block A.
2436         * tree-ssa-dom.c (thread_across_edge): Allow threading across
2437         computed gotos as well.
2438         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
2439         removal of unnecessary computed gotos too.
2440         (lookup_redirection_data): Fix type of INSERT argument.  Callers
2441         updated.
2442
2443 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
2444
2445         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
2446         Remove trailing spaces.
2447
2448         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
2449         unshare_all_trees): Make them static.
2450         * tree-gimple.h: Remove the corresponding prototypes.
2451
2452         * diagnostic.h: Remove unused prototype
2453         debug_output_buffer.
2454         * modulo-sched.c: Remove unused prototype
2455         set_row_column_for_ps.
2456
2457         * tree-ssa-phiopt.c (tree_ssa_phiopt,
2458         replace_phi_edge_with_variable): Remove unused variable i.
2459
2460 2005-03-07  Per Bothner  <per@bothner.com>
2461
2462         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
2463
2464 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
2465
2466         PR tree-opt/17671
2467         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
2468         bbs on the COND_EXPR instead of the PHI_NODEs.
2469         (candidate_bb_for_phi_optimization): Remove.
2470         (replace_phi_with_stmt): Rename to ...
2471         (replace_phi_edge_with_variable): this and change so that we
2472         replace the phi argument instead of removing the PHI.
2473         (conditional_replacement): Change so we deal with PHI with more
2474         than two arguments.
2475         (value_replacement): Likewise.
2476         (abs_replacement): Likewise.
2477
2478 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
2479
2480         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
2481         output_e500_flip_gt_bit.
2482
2483         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
2484         as bit 31.
2485         (rs6000_generate_compare): Fix logic to look at the correct bits.
2486         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
2487         Look at GT bit.
2488         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
2489         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
2490         gen_move_from_CR_gt_bit.
2491
2492         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
2493         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
2494         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
2495
2496         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
2497         (E500_CR_IOR_COMPARE): New constant.
2498
2499 2005-03-08  Earl Chew <earl_chew@agilent.com>
2500             David Billinghurst <David.Billinghurst@riotinto.com>
2501
2502         * config/i386/host-cygwin.c: New file to support precompiled
2503         headers on cygwin
2504         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
2505         * config.host: Use above files for cygwin host.
2506
2507 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
2508
2509         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
2510         ordering ops from earlier change.
2511
2512 2005-03-07  Per Bothner  <per@bothner.com>
2513
2514         Various fixes to allow us to again build if --enable-mapped-location:
2515         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
2516         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
2517         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
2518         local variable loc. Change logic appropriately.
2519         * tree-vect-transform.c (vect_finish_stmt_generation): Use
2520         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
2521         * c-parser.c (c_parser_for_statement): Initialize loc variable.
2522         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
2523         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
2524
2525 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
2526
2527         PR rtl-optimization/19683
2528         * reload1.c (choose_reload_regs): Pass the number of bits, not the
2529         number of bytes, to smallest_int_for_mode.  Fix arguments to
2530         REG_CANNOT_CHANGE_MODE_P.
2531
2532 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2533
2534         * reorg.c (relax_delay_slots): Check that the jump is
2535         conditional before trying to invert it.
2536
2537 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
2538
2539         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
2540         Make them static.
2541
2542         * calls (stack_arg_under_construction): Make it static.
2543
2544         * flow.c (regs_live_at_setjmp): Make it static.
2545         * flow.h: Remove the corresponding prototype.
2546
2547         * reload1.c (reload_startobj, reload_firstobj,
2548         something_needs_operands_changed, reload_inherited,
2549         reload_inheritance_insn, reload_override_in,
2550         reload_spill_index): Make them static.
2551
2552         * recog.c (verify_changes): Make it static.
2553         * recog.h: Remove the corresponding prototype.
2554
2555         * cfgbuild.c (find_sub_basic_blocks): Remove.
2556         * basic-block.h: Remove the corresponding prototype.
2557         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
2558         in comments.
2559         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
2560
2561         * tree-ssa-operands.c (check_build_stmt): Remove.
2562
2563         * stor-layout.c (set_alignment): Remove.
2564         * tree.h: Remove the corresponding prototype.
2565
2566         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
2567
2568         * tree-ssa-dce.c (control_dependence_map,
2569         visited_control_parents): Make them static.
2570
2571         * cfghooks.c (verify_flow_info): Remove local variable
2572         num_bb_notes.
2573
2574         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
2575         last_bb_seen.
2576
2577         * loop-unswitch.c (unswitch_loop): Remove local variable src.
2578
2579 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
2580
2581         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
2582
2583 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
2584
2585         * config/ia64/hpux.h (LINK_SPEC): Add -z.
2586         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
2587         PARALLEL for an empty structure.
2588
2589 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
2590
2591         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
2592
2593         * fold-const.c (fold_binary): Unroll the very first "for"
2594         loop.
2595
2596 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
2597
2598         * config/rs6000/predicates.md (branch_comparison_operator): Remove
2599         redundant match_code test.
2600         (scc_comparison_operator): Swap match_operand and match_code
2601         tests.
2602         (branch_positive_comparison_operator): Same.
2603         (trap_comparison_operator): Use comparison_operator and swap with
2604         match_code test.
2605
2606 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
2607
2608         PR target/20288
2609         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
2610         (out_movhi_r_mr): Read low byte of volatile MEM first.
2611         (out_movhi_mr_r): Write high byte of volatile MEM first.
2612
2613 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
2614
2615         * cselib.c (reg_values, reg_values_size): Make them static.
2616
2617         * cse.c (cse_reg_info_table): Make it static.
2618
2619         * fold-const.c (fold_unary): Use build1 instead of copy_node.
2620
2621 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
2622
2623         * cse.c (find_best_addr): Use canon_for_address.
2624
2625 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
2626
2627         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
2628         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
2629         SUBREG and MEM, respectively.
2630
2631         * fold-const.c (fold_binary): Use code instead of t.
2632
2633         * fold-const.c (optimize_minmax_comparison): Take decomposed
2634         arguments code, type, op0, and op1 instead of t.
2635         (fold_binary): Update a call to optimize_minmax_comparison.
2636
2637         * fold-const.c (fold_range_test): Take decomposed arguments
2638         code, type, op0, and op1 instead of t.
2639         (fold_binary): Update a call to fold_range_test.
2640
2641         * fold-const.c (fold_binary_op_with_conditional_arg): Take
2642         decomposed arguments code, type, op0, and op1 instead of t.
2643         (fold_binary): Update a call to fold_range_test.
2644
2645 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
2646
2647         * fold-const.c (fold_binary): Avoid directly using the original
2648         expression t as much as possible.
2649
2650 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
2651
2652         * c-semantics.c (build_stmt): Use TYPE_P instead of
2653         IS_NON_TYPE_CODE_CLASS.
2654         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
2655         (NON_TYPE_CHECK): Use TYPE_P instead of
2656         IS_NON_TYPE_CODE_CLASS.
2657
2658         * fold-const.c (fold): Remove handling of binary expressions.
2659
2660 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
2661
2662         * doc/c-tree.texi: Wrap comments in @r{}.
2663         * doc/cpp.texi: Likewise.
2664         * doc/cppinternals.texi: Likewise.
2665         * doc/extend.texi: Likewise.
2666         * doc/md.texi: Likewise.
2667         * doc/objc.texi: Likewise.
2668         * doc/sourcebuild.texi: Likewise.
2669         * doc/tm.texi: Likewise.
2670         * doc/tree-ssa.texi
2671
2672 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
2673
2674         * predict.c (apply_return_prediction): Standardize PHI chain
2675         walking.
2676         * tree-ssa.c (ssa_redirect_edge): Likewise.
2677
2678         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
2679         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
2680         Update copyright.
2681
2682         * tree-phinodes.c (remove_phi_node): Drop the last argument.
2683         * tree-flow.h: Adjust the prototype for remove_phi_node.
2684         * lambda-code.c (perfect_nestify): Adjust a call to
2685         remove_phi_node.
2686         * tree-cfg.c
2687         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
2688         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
2689         Likewise.
2690         * tree-ssa-dce.c (remove_dead_phis): Likewise.
2691         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
2692         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
2693         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
2694
2695         * combine.c (simplify_and_const_int): Use gen_int_mode instead
2696         of GEN_INT (trunc_int_for_mode (...)).
2697         * loop-iv.c (iv_number_of_iterations): Likewise.
2698         * postreload.c (reload_cse_move2add): Likewise.
2699         * simplify-rtx.c (simplify_const_unary_operation,
2700         simplify_const_binary_operation): Likewise.
2701         * stor-layout.c (get_mode_bounds): Likewise.
2702
2703         * fold-const.c (fold_binary): New.
2704         (fold): Call fold_binary on binary expressions.
2705
2706 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
2707
2708         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
2709         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
2710         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
2711         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
2712         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
2713
2714 2005-03-04  Devang Patel  <dpatel@apple.com>
2715
2716         PR tree-optimization/18815
2717         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
2718         loops with zero exit edges.
2719
2720 2005-03-04  Devang Patel  <dpatel@apple.com>
2721
2722         * doc/invoke.texi: Remove reference to webpage that does not exist.
2723
2724 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
2725             Joseph S. Myers  <joseph@codesourcery.com>
2726
2727         PR c++/19797
2728         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
2729         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
2730         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
2731         * pa.c (get_plabel): Change argument to symbol_ref.  Call
2732         maybe_get_identifier instead of get_identifier.
2733         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
2734         (struct deferred_plabel): Replace name field with symbol field.
2735         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
2736         ASM_OUTPUT_EXTERNAL_REAL is defined.
2737         (output_global_address): Use output_addr_const for output of all
2738         symbol_refs.
2739         (output_deferred_plabels): Use symbol_ref instead of name for address
2740         output.
2741         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
2742         ASM_OUTPUT_SYMBOL_REF): New macros.
2743         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
2744         comment.
2745         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
2746         label.
2747
2748 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
2749
2750         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
2751         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
2752
2753 2005-03-04  Jeff Law  <law@redhat.com>
2754
2755         * basic-block.h (rediscover_loops_after_threading): Declare.
2756         * tree-ssa-dom.c: Include cfgloop.h.
2757         (tree_ssa_dominator_optimize): Discover loops and some basic
2758         properties.  Remove forwarder blocks recreated by loop header
2759         canonicalization.  Also mark backedges in the CFG.
2760         * tree-ssa-threadupdate.c: Include cfgloop.h
2761         (rediscover_loops_after_threading): Define.
2762         (struct local_info): New field, JUMP_THREADED.
2763         (prune_undesirable_thread_requests): New function.
2764         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
2765         then record that fact for the callers of redirct_edges.
2766         (thread_block): If BB has incoming backedges, then call
2767         prune_undesirable_thraed_requests.    Note when we are
2768         going to have to rediscover loop information.  Return a
2769         boolean indicating if any jumps were threaded.
2770         (thread_through_all_blocks): Bubble up boolean indicating
2771         if any jumps were threaded.
2772         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
2773         (tree-ssa-threadupdate.o): Similarly.
2774
2775 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
2776
2777         * fold-const.c (fold_ternary): Unroll the "for" loop to
2778         extract operands.
2779
2780 2005-03-04  Andrew Haley  <aph@redhat.com>
2781
2782         * unwind-dw2-fde-glibc.c (struct
2783         unw_eh_callback_data.check_cache): New field.
2784         (frame_hdr_cache): New.
2785         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
2786         Cache frame header info.
2787
2788 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
2789
2790         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
2791         (print_c_condition): Declare.
2792         * read-rtl.c (ptr_loc): New structure.
2793         (ptr_locs, ptr_loc_obstack, joined_conditions)
2794         (joined_conditions_obstack): New variables.
2795         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
2796         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
2797         (join_c_conditions, print_c_condition): New functions.
2798         (apply_macro_to_string): Associate the new string with the same
2799         source location as the old one.
2800         (add_condition_to_string): Use join_c_conditions.
2801         (read_string): Use set_rtx_ptr_loc to record a filename and line
2802         number for the string.
2803         (read_rtx): Initialize the new variables above.
2804         * genattrtab.c (write_test_expr, write_attr_value): Use
2805         print_c_condition.
2806         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
2807         comment above the GCC_VERSION check.
2808         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
2809         Inline the definition of MAYBE_EVAL.
2810         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
2811         * genoutput.c (process_template): Likewise.
2812         * genpreds.c (write_predicate_subfunction): Likewise.
2813         (write_predicate_expr): Use print_c_condition.
2814         * genrecog.c (write_cond): Likewise.
2815         * gensupport.c (process_rtx): Use join_c_conditions to join the
2816         conditions of a define_insn_and_split.  Record a source location
2817         for the string after the "&&".
2818         (alter_test_for_insn): Use join_c_conditions.
2819
2820 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
2821
2822         Revert for now:
2823         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
2824         PR tree-optimization/15784
2825         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
2826         and -1 - A to ~A.
2827
2828 2005-03-04  Ben Elliston  <bje@au.ibm.com>
2829
2830         * gcc.c (option_map): Add --coverage.
2831         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
2832         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
2833         * config/darwin.h: Pass -lgcov for `coverage'.
2834         * doc/invoke.texi (Debugging Options): Document --coverage.
2835
2836 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
2837
2838         * gcse.c (bypass_block): Use find_edge wherever possible.
2839
2840 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
2841
2842         Fix PR debug/20253
2843
2844         * c-opts.c (c_common_parse_file): Call start_source_file
2845         and end_source_file at the approriate times.
2846
2847         * dwarf2out.c (dwarf2out_finish): Don't auto-end
2848         the main file, it will be done for us now.
2849
2850 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
2851
2852         * fold-const.c (fold_ternary): New.
2853         (fold): Call fold_ternary on ternary expressions.  Remove
2854         handling of ternary expressions.
2855
2856 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
2857
2858         PR tree-optimization/15784
2859         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
2860         and -1 - A to ~A.
2861
2862 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
2863
2864         * config/rs6000/predicates.md (branch_comparison_operator):
2865         Convert from C block to conditional format.
2866
2867 2005-03-03  Jan Hubicka  <jh@suse.cz>
2868
2869         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
2870         and non-constant public variables.
2871
2872 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
2873
2874         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
2875         with LABEL_EXPR.
2876
2877         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
2878         EDGE_I.
2879
2880         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
2881         calls to release_ssa_name and release_phi_node.
2882
2883         * fold-const.c (fold): Remove handling of unary expressions.
2884
2885         * fold-const.c (fold_unary): Avoid directly using the original
2886         expression t as much as possible.
2887
2888 2005-03-03  Roger Sayle  <roger@eyesopen.com>
2889             Andrew Pinski  <pinskia@physics.uc.edu>
2890
2891         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
2892         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
2893
2894 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
2895
2896         Describe special registers SRP and MOF as allocatable registers.
2897         * config/cris/cris.c (cris_md_asm_clobbers): New function.
2898         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
2899         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
2900         TARGET_HAS_MUL_INSNS.
2901         (cris_print_operand) <case 'd'>: New case.
2902         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
2903         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
2904         define.
2905         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
2906         (REG_ALLOC_ORDER): Update for MOF.
2907         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
2908         SPECIAL_REGS.
2909         (GENERAL_REGS): No longer a define of ALL_REGS.
2910         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
2911         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
2912         Adjust accordingly.
2913         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
2914         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
2915         (SECONDARY_RELOAD_CLASS): Define.
2916         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
2917         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
2918         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
2919         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
2920         (REGISTER_MOVE_COST): Define.
2921         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
2922         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
2923         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
2924         (CRIS_MOF_REGNUM): New define_constants.
2925         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
2926         special registers.
2927         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
2928         New patterns.
2929         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
2930         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
2931         Adjust for MOF being properly described as a register.
2932         (indir_to_reg_split): Name this split.  Conditionalize on the
2933         destination register being a general register.
2934         (movei): Conditionalize on on operands 0 and 1 having the same
2935         register class.
2936
2937 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
2938
2939         PR target/20277
2940         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
2941         -mcpu to override any other explicitly given flags.
2942
2943 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
2944
2945         * recog.c (verify_changes, confirm_change_group): New functions,
2946         broken out of apply_change_group.
2947         (apply_change_group): Use them.
2948         * recog.h (verify_change, confirm_change_group): Declare.
2949         * rtl.h (redirect_jump_2): Declare.
2950         * jump.c (redirect_exp, invert_exp): Delete.
2951         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
2952         (redirect_jump_2): New function, broken out of redirect_jump.
2953         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
2954         (invert_jump): Use invert_jump_1 and redirect_jump_2.
2955         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
2956
2957 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
2958
2959         * varasm.c (named_section): Use xstrdup rather than doing it by
2960         hand.
2961
2962         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
2963
2964 2005-03-02  Devang Patel  <dpatel@apple.com>
2965
2966         Undo PR tree-optimization/18815 fix.
2967
2968 2005-03-02  Devang Patel  <dpatel@apple.com>
2969
2970         PR tree-optimization/18815
2971         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
2972         loops with zero exit edges.
2973
2974 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
2975
2976         * cfg.c (connect_src, connect_dest, disconnect_src,
2977         disconnct_dest): New.
2978         (unchecked_make_edge, remove_edge, redirect_edge_succ,
2979         redirect_edge_pred): Use the new functions.
2980
2981         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
2982         free_dominance_info only when needed.
2983
2984 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
2985
2986         PR target/20276
2987         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
2988         (reg_or_sub_cint64_operand): Same.
2989
2990 2005-03-02  Jeff Law  <law@redhat.com>
2991
2992         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
2993         CFG_ALTERED in the main DOM iteration loop.
2994
2995 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
2996
2997         PR c++/19916
2998         * varasm.c (initializer_constant_valid_p): Allow conversions
2999         between OFFSET_TYPEs.  Tidy.
3000
3001 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
3002
3003         * config/cris/cris.md ("return"): Remove epilogue delay list
3004         sanity check.
3005
3006 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
3007
3008         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
3009         for Thumb.
3010         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
3011
3012 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
3013
3014         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
3015         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
3016         config/m68k/m68k.c, config/mips/mips.h,
3017         config/rs6000/rs6000-protos.h, doc/contrib.texi,
3018         doc/include/gcc-common.texi: Update copyright.
3019
3020         PR middle-end/18029 and PR middle-end/18030
3021         * expr.c (optimize_bitfield_assignment_op): Add a special case
3022         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
3023
3024         * fold-const.c (fold_unary): New.
3025         (fold): Call fold_unary on unary expressions.
3026
3027 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
3028
3029         * cgraph.h (struct cgraph_edge): Add prev_caller and
3030         prev_callee fields.
3031         (cgraph_node_remove_callees): Export.
3032         * cgraph.c (cgraph_create_edge): Initialize prev_caller
3033         and prev_callee.
3034         (cgraph_edge_remove_callee): New function.
3035         (cgraph_edge_remove_caller): Likewise.
3036         (cgraph_remove_edge): Use.
3037         (cgraph_redirect_edge_callee): Likewise.
3038         (cgraph_node_remove_callees): New function.
3039         (cgraph_node_remove_callers): Likewise.
3040         (cgraph_remove_node): Use.
3041         * tree-optimize.c (tree_rest_of_compilation): Use
3042         cgraph_node_remove_callees instead of manual loop.
3043         * cgraphunit.c (cgraph_finalize_function): Likewise.
3044         (cgraph_expand_function): Likewise.
3045         (cgraph_remove_unreachable_nodes): Likewise.
3046
3047 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
3048
3049         PR c/8927
3050         * c-tree.h (undeclared_variable, build_external_ref): Add extra
3051         argument.
3052         * c-decl.c (undeclared_variable): Take location as argument.
3053         * c-typeck.c (build_external_ref): Likewise.
3054         * c-parser.c (c_parser_postfix_expression): Pass location of
3055         identifier to build_external_ref.
3056
3057 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
3058
3059         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
3060         CCEQ mode for branch_positive_comparison_operator test.
3061         * config/rs6000/predicates (branch_comparison_operator): Revert to
3062         define_predicate.
3063         (scc_comparison_operator): Same.
3064         (branch_positive_comparison_operator): Same.
3065
3066 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
3067
3068         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
3069         (cris_delay_slots_for_epilogue): Remove.
3070         (save_last): Move into cris_target_asm_function_epilogue.
3071         (cris_target_asm_function_epilogue): Remove tests for file being
3072         NULL.
3073         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
3074         (cris_delay_slots_for_epilogue): Remove prototypes.
3075         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
3076         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
3077
3078 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
3079
3080         * config/rs6000/predicates.md (branch_comparison_operator): Change
3081         to define_special_predicate.
3082         (scc_comparison_operator): Same.
3083         (branch_positive_comparison_operator): Same.
3084
3085 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
3086
3087         * Makefile.in (tree-ssa-sink.o): New.
3088         (OBJS-common): Add tree-ssa-sink.o.
3089         * common.opt: Add -ftree-sink
3090         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
3091         * timevar.def (TV_TREE_SINK): new timevar.
3092         * tree-flow.h (is_hidden_global_store): Prototype.
3093         * tree-optimize.c (init_tree_optimization_passes): Add
3094         pass_sink_code.
3095         * tree-pass.h (pass_sink_code): New.
3096         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
3097         for non-obvious global store store to is_hidden_global_store, and
3098         call that new function.
3099         * tree-ssa-sink.c: New file.
3100         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
3101         * doc/passes.texi: Document forward store motion.
3102         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
3103         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
3104         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
3105         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
3106
3107 2005-03-01  Per Bothner  <per@bothner.com>
3108
3109         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
3110         and we have a non-zero column-number, add it to the message.
3111         Also factor out the diagnostic_kind_text.
3112
3113 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
3114
3115         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
3116         flow_loop_pre_header_scan, flow_loop_pre_header_find,
3117         flow_loop_scan): Removed.
3118         (flow_loop_dump): Do not dump removed fields.
3119         (flow_loop_free): Do not free removed fields.
3120         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
3121         (loop_exit_edge_p): New function.
3122         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
3123         num_pre_header_edges, entry_edges, num_entries, exit_edges,
3124         num_exits, exits_doms.
3125         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
3126         LOOP_EDGES, LOOP_ALL): Removed.
3127         (flow_loop_scan): Declaration removed.
3128         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
3129         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
3130         flow_loops_find.
3131         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
3132         (if_convert): Call flow_loops_find and flow_loops_free
3133         when calling mark_loop_exit_edges.
3134         * cfgloopanal.c (mark_loop_exit_edges): Moved from
3135         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
3136         free_dominance_info calls.
3137         * loop-init.c (flow_loops_find): Ditto.
3138         * passes.c (rest_of_handle_branch_prob): Ditto.
3139         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
3140         * loop-unroll.c (analyze_insns_in_loop): Do not use
3141         EDGE_LOOP_EXIT.
3142         * predict.c (predict_loops): Do not call flow_loop_scan.
3143         Use get_loop_exit_edges.
3144         (tree_estimate_probability): Do not pass flags to flow_loops_find.
3145         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
3146         Do not use EDGE_LOOP_EXIT.
3147         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
3148         to bb_with_exit_edge_p.
3149         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
3150         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
3151         to bb_with_exit_edge_p.
3152         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
3153         EDGE_LOOP_EXIT.
3154         * tree-loop-linear.c (linear_transform_loops): Do not call
3155         flow_loop_scan.  Use loop->single_exit.
3156         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
3157         (vect_analyze_loop_form): Do not call flow_loop_scan.
3158         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
3159         loop->single_exit.
3160         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
3161         loop->single_exit.
3162         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
3163         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
3164         slpeel_tree_duplicate_loop_to_edge_cfg,
3165         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
3166         Use loop_preheader_edge and loop->single_exit.  Do not call
3167         flow_loop_scan.
3168
3169 2005-03-01  Nick Clifton  <nickc@redhat.com>
3170
3171         * config/arm/arm.c (thumb_find_work_register): Check all of the
3172         argument registers to see if they are free, and a couple of
3173         special cases where the last argument register but can be proved
3174         to be available during the function's prologue.
3175         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
3176         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
3177         thumb_unexpanded_epilogue): Use unsigned long as the type for the
3178         register bit-mask.
3179         (thumb_compute_save_reg_mask): Likewise.  Also use
3180         thumb_find_work_register() to ensure that there is agreement about
3181         which work register is going to be used in the prologue.
3182         (thumb_output_function_prologue): Use unsigned long as the type
3183         for the register bit-mask.  Also delay pushing the link register if
3184         other high registers are going to be pushed.
3185         (thumb_compute_save_reg_mask, emit_multi_reg_push,
3186         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
3187         redundant prototypes.
3188
3189 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
3190
3191         PR target/19819
3192         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
3193         and after reload in REG+REG indexed addresses without REG_POINTER
3194         set in the base and not set in the index.
3195
3196 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
3197
3198         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
3199         Don't undefine here.
3200         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
3201         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
3202         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
3203         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
3204         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
3205         Delete.
3206         * config.gcc (sh*-*-linux*): Use config/linux.h.
3207
3208 2005-02-28  Dale Johannesen  <dalej@apple.com>
3209             Stan Shebs  <shebs@apple.com>
3210
3211         Rewrite of 64-bit Darwin structure-by-value pass/return.
3212         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
3213         intoffset, use_stack, named.
3214         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
3215         (rs6000_darwin64_record_arg_advance_flush):  New.
3216         (rs6000_darwin64_record_arg_advance_recurse): New.
3217         (rs6000_darwin64_record_arg_flush):  New.
3218         (rs6000_darwin64_record_arg_recurse):  New.
3219         (rs6000_darwin64_record_arg):  New.
3220         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
3221         (function_arg_boundary):  Handle 128-bit aligned structs.
3222         (function_arg_advance):  Rewrite darwin64 struct handling.
3223         (function_arg):  Call rs6000_darwin64_record_arg.
3224         (function_arg_partial_nregs):  Handle darwin64 structs.
3225         (rs6000_darwin64_function_value):  Remove.
3226         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
3227
3228 2005-02-28  Roger Sayle  <roger@eyesopen.com>
3229
3230         PR tree-optimization/20216
3231         * tree-chrec.c (tree_fold_factorial): Delete.
3232         (tree_fold_binomial): Change argument list to take a return type
3233         and change the type of K to unsigned int.  Rewrite to avoid explicit
3234         evaluation of factorials, and (recursively) calling fold to perform
3235         compile-time arithmetic.  Return NULL on (internal) overflow.
3236         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
3237         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
3238         if any intermediate calculation overflows.
3239         (chrec_apply): Update call to chrec_evaluate.
3240
3241 2005-02-28  James E Wilson  <wilson@specifixinc.com>
3242
3243         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
3244
3245 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
3246
3247         PR c/20245
3248         * c-parser.c (c_parser_compound_statement): Return error_mark_node
3249         instead of NULL_TREE on error.
3250
3251 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
3252
3253         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
3254         (EASY_VECTOR_15_ADD_SELF): Remove.
3255         (num_insns_constant_wide): Not static.
3256         (validate_condition_mode): Not static.
3257         (toc_relative_expr_p): Not static.
3258         (legitimate_indirect_address_p): Not static.
3259         (macho_lo_sum_memory_operand): Not static.
3260         (invalid_e500_subreg): Not static.
3261         (easy_vector_same): Not static.
3262         (easy_vector_splat_const): Not static.
3263         (RS6000_SYMBOL_REF_TLS_P): Remove.
3264         (any_operand): Delete.
3265         (any_parallel_operand): Delete.
3266         (count_register_operand): Delete.
3267         (altivec_register_operand): Delete.
3268         (xer_operand): Delete.
3269         (s8bit_cint_operand): Delete.
3270         (short_cint_operand): Delete.
3271         (u_short_cint_operand): Delete.
3272         (non_short_cint_operand): Delete.
3273         (exact_log2_cint_operand): Delete.
3274         (gpc_reg_operand): Delete.
3275         (cc_reg_operand): Delete.
3276         (cc_reg_not_cr0_operand): Delete.
3277         (reg_or_short_operand): Delete.
3278         (reg_or_neg_short_operand): Delete.
3279         (reg_or_aligned_short_operand): Delete.
3280         (reg_or_u_short_operand): Delete.
3281         (reg_or_cint_operand): Delete.
3282         (reg_or_arith_cint_operand): Delete.
3283         (reg_or_add_cint64_operand): Delete.
3284         (reg_or_sub_cint64_operand): Delete.
3285         (reg_or_logical_cint_operand): Delete.
3286         (got_operand): Delete.
3287         (got_no_const_operand): Delete.
3288         (easy_fp_constant): Delete.
3289         (easy_vector_constant): Delete.
3290         (easy_vector_constant_add_self): Delete.
3291         (zero_constant): Delete.
3292         (zero_fp_constant): Delete.
3293         (volatile_mem_operand): Delete.
3294         (offsettable_mem_operand): Delete.
3295         (mem_or_easy_const_operand): Delete.
3296         (add_operand): Delete.
3297         (non_add_cint_operand): Delete.
3298         (logical_operand): Delete.
3299         (non_logical_cint_operand): Delete.
3300         (mask_operand): Delete.
3301         (mask_operand_wrap): Delete.
3302         (mask64_operand): Delete.
3303         (mask64_2_operand): Delete.
3304         (and64_operand): Delete.
3305         (and64_2_operand): Delete.
3306         (and_operand): Delete.
3307         (reg_or_mem_operand): Delete.
3308         (lwa_operand): Delete.
3309         (symbol_ref_operand): Delete.
3310         (call_operand): Delete.
3311         (current_file_function_operand): Delete.
3312         (input_operand): Delete.
3313         (rs6000_nonimmediate_operand): Delete.
3314         (rs6000_tls_symbol_ref): Delete.
3315         (save_world_operation): Delete.
3316         (restore_world_operation): Delete.
3317         (load_multiple_operation): Delete.
3318         (store_multiple_operation): Delete.
3319         (vrsave_operation): Delete.
3320         (mfcr_operation): Delete.
3321         (mtcrf_operation): Delete.
3322         (lmw_operation): Delete.
3323         (stmw_operation): Delete.
3324         (branch_comparison_operator): Delete.
3325         (branch_positive_comparison_operator): Delete.
3326         (scc_comparison_operator): Delete.
3327         (trap_comparison_operator): Delete.
3328         (boolean_operator): Delete.
3329         (boolean_or_operator): Delete.
3330         (min_max_operator): Delete.
3331         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
3332         (EASY_VECTOR_15): Moved to here.
3333         (EASY_VECTOR_15_ADD_SELF): Move to here.
3334         (PREDICATE_CODES): Delete.
3335         * config/rs6000/rs6000-protos.h: Delete predicate functions.
3336         Declare functions no longer static.
3337         * config/rs6000/predicates.md: New.
3338         * config/rs6000/rs6000.md: Include predicates.md
3339
3340 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
3341
3342         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
3343         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
3344         REG_ALWAYS_RETURN.
3345         * cfgrtl.c (need_fake_edge_p): Likewise.
3346         * combine.c (distribute_notes): Likewise.
3347         * emit-rtl.c (try_split): Likewise.
3348         * recog.c (peephole2_opimize): Likewise.
3349         * reg-notes.def (ALWAYS_RETURN): Remove.
3350         * rtl.h (LCT_ALWAYS_RETURN): Remove.
3351         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
3352         * tree.h (ECF_ALWAYS_RETURN): Remove.
3353
3354 2005-02-28  Roger Sayle  <roger@eyesopen.com>
3355
3356         PR middle-end/19874
3357         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
3358         between different machine modes is never a "useless" conversion.
3359
3360 2005-02-28  Geert Bosch  <bosch@gnat.com>
3361
3362         PR ada/15977
3363         * doc/contrib.texi: List contributors for Ada front end
3364
3365 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
3366
3367         * simplify-rtx.c (simplify_unary_operation_1,
3368         simplify_const_unary_operation): New, extracted from...
3369         (simplify_unary_operation): ... this one.
3370         (simplify_binary_operation_1,
3371         simplify_const_binary_operation): New, extracted from...
3372         (simplify_binary_operation): ... this one.
3373         * rtl.h (simplify_const_unary_operation,
3374         simplify_const_binary_operation): Add prototypes.
3375
3376 2005-02-28  Julian Brown  <julian@codesourcery.com>
3377
3378         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
3379         building libjava and caused PR regression/20228.
3380
3381 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
3382
3383         PR bootstrap/17383
3384         * Makefile.in (host_subdir): New.
3385         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
3386         * configure: Regenerate.
3387
3388 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
3389
3390         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
3391         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
3392         installation directory first.
3393
3394 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
3395
3396         PR target/19065.
3397         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
3398         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
3399         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
3400         * config/cris/cris.md: Tweak comments referring to Q.
3401         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
3402         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
3403         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
3404         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
3405         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
3406         Insert spaces in constraints to align alternatives vertically for
3407         readability.
3408         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
3409         operand 1: "M".
3410
3411 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3412
3413         PR rtl-optimization/17728
3414         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
3415         operand 0 from general_operand to move_dest_operand.
3416
3417 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3418
3419         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
3420         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
3421         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
3422         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
3423
3424 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
3425
3426         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
3427         * configure: Regenerate.
3428         * libada-mk.in: Remove CC; rename
3429         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
3430
3431 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
3432
3433         PR tree-opt/20188
3434         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
3435         for the lhs, also walk over the tree.  Likewise for rhs.
3436
3437 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
3438
3439         * tree-ssa-dom.c (simple_iv_increment_p): New function.
3440         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
3441         Do not propagate value of iv before increment over the increment.
3442
3443 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
3444
3445         * c-parser.c: New file.
3446         * c-parse.in: Remove.
3447         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
3448         Remove.
3449         (c-parser.o): Add dependencies.
3450         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
3451         maintainer-clean, TAGS): Update.
3452         * c-config-lang.in (gtfiles): Update.
3453         * gengtype-lex.l: Don't handle "@@".
3454         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
3455         objc_build_synchronized, objc_begin_try_stmt,
3456         objc_begin_catch_clause, objc_finish_catch_clause,
3457         objc_build_finally_clause, objc_finish_try_stmt): New.
3458         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
3459         type_seen_p.
3460         (c_parse_init): Update comment.
3461         * c-decl.c (c_init_decl_processing): Update comment.
3462         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
3463         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
3464         new c_declspecs members.
3465
3466 2005-02-25  Julian Brown  <julian@codesourcery.com>
3467
3468         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
3469         from being used for symbols with vague linkage when
3470         HAVE_GAS_COMDAT_GROUP is true.
3471
3472 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
3473
3474         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
3475
3476 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
3477
3478         PR target/19930
3479         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
3480         (LIBGCC2_HAS_DF_MODE): New.
3481         (LIBGCC2_HAS_XF_MODE): New.
3482         (LIBGCC2_HAS_TF_MODE): New.
3483         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
3484         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
3485         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
3486         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
3487         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
3488         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
3489         and add _fixtfdi, _fixunstfdi, _floatditf
3490         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
3491         L_fixunstfdi, L_floatditf.
3492         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
3493         (LIBGCC2_HAS_TF_MODE): Define.
3494
3495 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
3496
3497         PR tree-optimization/20204
3498         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
3499         REWRITE_THIS_STMT markers on PHI nodes.
3500         (rewrite_initialize_block): Likewise.
3501
3502 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
3503
3504         * version.c (version_string): Update to 4.1.
3505
3506 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
3507
3508         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
3509         Clarify that the alternative way doesn't work in GNU C++.
3510
3511 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
3512
3513         PR tree-optimization/19937
3514         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
3515         to the type of the induction variable.
3516
3517 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
3518
3519         PR rtl-optimization/20117
3520         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
3521         the block including noncopyable insn.
3522
3523 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
3524
3525         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
3526         calls to find_reg_note.
3527
3528 2005-02-24  Richard Henderson  <rth@redhat.com>
3529
3530         PR tree-opt/20127
3531         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
3532         the type.
3533
3534 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
3535
3536         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
3537         vector types if to use base reg for misaligned non-word ld/std.
3538
3539 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
3540
3541         PR target/14619
3542         * config/cris/cris.c (cris_target_asm_function_prologue): Create
3543         dwarf2 label manually and put it after, not before the prologue.
3544
3545 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
3546
3547         PR target/19019
3548         * reload.c (operands_match_p): Only increment register number for
3549         SCALAR_INT_MODE_P modes in multiple hard registers.
3550
3551         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
3552         Fix formatting.
3553
3554 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3555
3556         * ChangeLog.5: Fix log message typo(s).
3557         * ChangeLog.7: Likewise.
3558         * ChangeLog.tree-ssa: Likewise.
3559         * cfgexpand.c: Fix comment typo(s).
3560         * conflict.c: Likewise.
3561         * defaults.h: Likewise.
3562         * dwarf2out.c: Likewise.
3563         * gcse.c: Likewise.
3564         * ggc-page.c: Likewise.
3565         * tree-eh.c: Likewise.
3566         * tree-ssa-dom.c: Likewise.
3567
3568 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
3569
3570         PR target/19019
3571         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
3572         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
3573         if SHARED is defined.
3574
3575         PR target/20196
3576         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
3577         allow splitting only if operands 0 and 3 don't overlap.
3578
3579 2005-02-24  Richard Henderson  <rth@redhat.com>
3580
3581         PR middle-end/19953
3582         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
3583         (fold_builtin_1): Call them.
3584         * fold-const.c (fold_complex_mult_parts): Split out from ...
3585         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
3586         (fold_complex_div_parts, fold_complex_div): New.
3587         (fold): Use them.
3588         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
3589
3590 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3591
3592         * tree-ssa-ccp.c (visit_assignment): Verify that result of
3593         VIEW_CONVERT_EXPR is_gimple_min_invariant.
3594
3595         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
3596         (print_node): Likewise.
3597         Print TYPE_SIZES_GIMPLIFIED.
3598
3599 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
3600
3601         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
3602         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
3603         operands as commutative in constraints.
3604
3605 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
3606
3607         * tree-into-ssa.c: Re-organize internal functions.
3608
3609 2005-02-24  Richard Henderson  <rth@redhat.com>
3610
3611         PR middle-end/18902
3612         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
3613         for c99.
3614         * common.opt (fcx-limited-range): New.
3615         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
3616         * toplev.c (flag_complex_method): Initialize to 1.
3617         (process_options): Set flag_complex_method to 0 if
3618         flag_cx_limited_range.
3619         * doc/invoke.texi (-fcx-limited-range): New.
3620
3621 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
3622
3623         * cse.c (delete_trivially_dead_insns): Speed up by using
3624         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
3625         prev_real_insn.
3626
3627 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
3628
3629         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
3630         functions when -mid-shared-library is being used.
3631
3632 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
3633
3634         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
3635         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
3636         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
3637         * system.h: Poison LINK_LIBGCC_SPECIAL.
3638
3639 2005-02-23  James E Wilson  <wilson@specifixinc.com>
3640
3641         * gengtype.c (note_insn_name): Make 1 element larger.
3642
3643 2005-02-23  Roger Sayle  <roger@eyesopen.com>
3644
3645         PR target/20018
3646         PR rtl-optimization/20097
3647         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
3648         BImode SUBREGs of SImode registers which confuse the ia64 backend.
3649
3650 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
3651
3652         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
3653         * t-aix52 (SHLIB_INSTALL): Same.
3654
3655 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
3656
3657         * genpreds.c: Update copyright.
3658
3659 2005-02-23  Michael Beach  <michaelb@ieee.org>
3660
3661         PR target/20159
3662         * config/sparc/t-elf (startup files): Assemble with CPP.
3663
3664 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
3665
3666         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
3667         (write_predicate_expr): Likewise.
3668
3669 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
3670
3671         PR tree-optimization/20100
3672         PR tree-optimization/20115
3673         * tree-optimize.c (init_tree_optimization_passes): Remove
3674         pass_maybe_create_global_var.
3675         * tree-pass.h (pass_maybe_create_global_var): Remove.
3676         * tree-ssa-alias.c (aliases_computed_p): Declare.
3677         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
3678         (count_calls_and_maybe_create_global_var): Remove.
3679         (pass_maybe_create_global_var): Remove.
3680         (init_alias_info): Do not declare aliases_computed_p.
3681         (maybe_create_global_var): If the function contains no
3682         call-clobbered variables and a mix of pure/const and regular
3683         function calls, create .GLOBAL_VAR.
3684         Mark all call-clobbered variables for renaming.
3685         (merge_pointed_to_info): Update comment.
3686         (add_pointed_to_var): Likewise.
3687         (is_escape_site): Likewise.
3688         Accept struct alias_info * instead of size_t *.
3689         Update all users.
3690         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
3691         as necessary.
3692         * tree-ssa-operands.c (get_call_expr_operands): If
3693         ALIASES_COMPUTED_P is false, do not add call-clobbering
3694         operands.
3695         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
3696         (delete_tree_ssa): Likewise.
3697
3698 2005-02-22  James E Wilson  <wilson@specifixinc.com>
3699
3700         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
3701         (do_compile): Do call it here.
3702
3703 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
3704
3705         PR rtl-optimization/20017.
3706         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
3707         rest_of_handle_cse2, rest_of_handle_gcse): Call
3708         delete_dead_jumptables immediately before calling cleanup_cfg.
3709
3710 2005-02-22  Devang Patel  <dpatel@apple.com>
3711
3712         PR 19952
3713         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
3714         all labels
3715
3716 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
3717
3718         * config/rs6000/aix.h (WINT_TYPE): Define.
3719
3720 2005-02-22  Stan Shebs  <shebs@apple.com>
3721
3722         * config/rs6000/rs6000.c (rs6000_override_options): Default to
3723         natural alignment for 64-bit Darwin.
3724         (rs6000_parse_alignment_option): Warn about uses of -malign-power
3725         on 64-bit Darwin.
3726         * doc/invoke.texi: Document this.
3727
3728 2005-02-22  DJ Delorie  <dj@redhat.com>
3729
3730         * c-common.c (c_common_type_for_mode): Pass the mode's precision
3731         to make_[un]signed_type, not the mode itself.
3732
3733 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
3734
3735         * cfg.c (cached_make_edge): Call make_edge if edge cache is
3736         not available.  Use tail calls wherever possible.
3737         (make_edge): Call unchecked_make_edge to create an edge.
3738
3739         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
3740         (coalesce_ssa_name): Don't check for
3741         SSANORM_USE_COALESCE_LIST.
3742         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
3743
3744 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
3745
3746         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
3747         (rewrite_into_ssa): ... here.
3748
3749 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
3750
3751         PR tree-optimization/19786
3752         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
3753         tag to another's may-alias bitmap when adding to the other's list.
3754
3755 2005-02-21  DJ Delorie  <dj@redhat.com>
3756
3757         * tree-ssa-loop-ivopts.c (computation_cost): Start register
3758         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
3759         registers in unsupported ways.
3760         * expmed.c (init_expmed): Likewise.
3761
3762 2005-02-21  Stan Cox  <scox@redhat.com>
3763
3764         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
3765
3766 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
3767
3768         * tree-cfg.c (fold_cond_expr_cond): New.
3769         (make_edges): Call fold_cond_expr_cond.
3770         (find_taken_edge): Accept nothing but INTEGER_CST.
3771         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
3772         and 1.
3773         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
3774
3775         * flow.c (delete_dead_jumptables): Speed up by scanning insns
3776         that do not belong to any basic block.
3777
3778 2005-02-21  Jeff Law  <law@redhat.com>
3779
3780         * cfganal.c (find_unreachable_blocks): Manually CSE load of
3781         e->dest.
3782
3783 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
3784
3785         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
3786         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
3787         Adjust their definitions.
3788         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
3789         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
3790
3791         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
3792         genautomata.c, langhooks.c, langhooks.h, system.h,
3793         config/arm/lib1funcs.asm: Update copyright.
3794
3795 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
3796
3797         * dbxout.c (dbxout_function_end): Emit Lscope label always.
3798
3799 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
3800
3801         PR bootstrap/13770
3802         * doc/install.texi: Document --with-gc.
3803
3804 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
3805
3806         * simplify-rtx.c (simplify_unary_operation): Add a missing
3807         "break" statement.
3808
3809 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3810
3811         PR tree-optimization/18663
3812         * tree-ssa-dom.c (extract_range_from_cond): Return 0
3813         if the type has variable bounds.
3814
3815 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
3816
3817         * gcse.c: Remove an obsolete comment.
3818
3819         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
3820
3821 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
3822
3823         * doc/extend.texi (Function Attributes) <Attribute const>: The
3824         attribute "pure" is below this text, not above.
3825
3826 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3827
3828         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
3829         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
3830         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
3831
3832 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
3833
3834         PR 18785
3835         * langhooks.h (struct lang_hooks): Add to_target_charset.
3836         * langhooks.c (lhd_to_target_charset): New function.
3837         * langhooks-def.h: Declare lhd_to_target_charset.
3838         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
3839         (LANG_HOOKS_INITIALIZER): Update.
3840         * c-common.c (c_common_to_target_charset): New function.
3841         * c-common.h: Declare it.
3842         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
3843         c_common_to_target_charset.
3844
3845         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
3846         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
3847         Delete definitions.
3848         * system.h: Poison them.
3849         * doc/tm.texi: Don't discuss them.
3850         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
3851         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
3852         (pp_c_char): Do not attempt to generate letter escapes for
3853         newline, tab, etc.
3854         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
3855         * config/mips/mips.c (mips_output_ascii): Likewise.
3856
3857 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
3858
3859         PR tree-optimization/19951
3860         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
3861         is abnormal.
3862
3863 2005-02-19  Steven Bosscher  <stevenb@suse.de>
3864
3865         PR middle-end/19698
3866         * function.h (struct function): New field `max_loop_depth'.
3867         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
3868         (flow_loops_find): Reset the max loop depth count before finding loops.
3869         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
3870         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
3871         (calculate_global_regs_live): Make sure the loop will terminate
3872         when the initial sets are not empty.
3873
3874 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
3875
3876         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
3877         object inside.
3878         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
3879
3880 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
3881
3882         PR other/19525
3883         * doc/invoke.texi: Remove documentation of %M spec.
3884         * gcc.c: Likewise.
3885         (init_spec): Remove %M suffix from -lgcc_s.
3886         (do_spec_1): Remove 'M' case.
3887         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
3888         to put shared libraries in the multilib directory.  Remove the
3889         shlib_so_soname substitution variable.  Don't add a multilib encoding
3890         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
3891         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
3892         SHLIB_INSTALL as well as SHLIB_LINK.
3893         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
3894         (SHLIB_NAME): Delete.
3895         (SHLIB_DIR): New macro.
3896         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
3897         (SHLIB_INSTALL): Adjust accordingly.
3898         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
3899         * config/t-slibgcc-sld: Likewise.
3900         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
3901         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
3902         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
3903         in $(SHLIB_DIR).
3904         (SHLIBUNWIND_INSTALL): Adjust accordingly.
3905         * config/i386/t-nwld (SHLIB_SONAME): Delete.
3906         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
3907         Use @shlib_base_name@ instead of @shlib_so_name@.
3908         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
3909         and @shlib_base_name@.so in @multilib_dir@.
3910         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
3911         to the install path.
3912         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
3913         (SHLIB_LINK): Remove previous workaround.
3914         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
3915         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
3916         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
3917         the install path.
3918         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
3919         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
3920         (SHLIB_INSTALL): Adjust accordingly.
3921         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
3922         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
3923         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
3924         config/t-slibgcc-elf-ver.
3925
3926 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
3927             Jakub Jelinek  <jakub@redhat.com>
3928
3929         PR tree-optimization/19828
3930         * tree-ssa-loop-im.c: Add a TODO comment.
3931         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
3932         without side-effects.
3933
3934 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
3935
3936         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
3937         call fold_convert.
3938
3939 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
3940
3941         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
3942         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
3943         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
3944         functions.
3945         (ia64_reorg): Delete fixup_errata call.
3946         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
3947         (TARGET_SWITCHES): Delete -mb-step entry.
3948
3949 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
3950
3951         PR c/20043
3952         * c-typeck.c (composite_type): Handle quals in transparent unions.
3953         (type_lists_compatible_p): Likewise.
3954
3955 2005-02-18  Stan Shebs  <shebs@apple.com>
3956
3957         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
3958         expressions in the .literal8 section.
3959
3960 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
3961
3962         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
3963
3964 2005-02-18  Roger Sayle  <roger@eyesopen.com>
3965
3966         * fold-const.c (constant_boolean_node): Always create values of the
3967         specified type, don't bother calling truthvalue_conversion.
3968
3969 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
3970
3971         * except.c (output_function_exception_table): Call
3972         assemble_external_libcall (eh_personality_libfunc).
3973
3974 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
3975
3976         PR target/19886
3977         * config/ia64/ia64.h (struct machine_function): Add state_num.
3978         * config/ia64/ia64.c (process_epilogue,
3979         process_for_unwind_directive): Use new unwind state numbers each
3980         time rather than state 1.
3981
3982 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
3983
3984         PR target/20054
3985         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
3986         before the "*llgt_didi" pattern.
3987
3988 2005-02-18  Jason Merrill  <jason@redhat.com>
3989
3990         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
3991
3992 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
3993
3994         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
3995         (div0): Use it in place of ARM_FUNC_ALIAS.
3996         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
3997
3998 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
3999
4000         PR middle-end/20030
4001         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
4002         access, the lower bound of the array type if it exists.
4003
4004 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
4005
4006         PR c++/20008
4007         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
4008         cases that are out-of-range for the index type.
4009
4010 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
4011
4012         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
4013         (estimate_case_costs): Don't call convert.
4014         * expmed.c (expand_shift): Likewise.
4015         (make_tree): Call fold_convert instead of convert.
4016
4017 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
4018
4019         PR c++/19813
4020         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
4021         that ref to be marked MEM_READONLY_P doesn't have base that needs
4022         constructing.
4023
4024 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
4025
4026         * genautomata.c (output_get_cpu_unit_code_func,
4027         output_cpu_unit_reservation_p): Don't generate old-style function
4028         definitions.
4029
4030 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
4031
4032         PR c++/20023
4033         PR tree-optimization/20009
4034         * convert.c (convert_to_integer): Revert 2005-02-16 change.
4035
4036         PR tree-optimization/18947
4037         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
4038         inline, remove all nodes that are inlined into the extern inline
4039         being redefined.
4040
4041 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
4042
4043         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
4044         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
4045         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
4046         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
4047         Update copyright.
4048
4049 2005-02-17  Roger Sayle  <roger@eyesopen.com>
4050
4051         PR tree-optimization/19917
4052         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
4053         to be potentially trapping.
4054
4055 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
4056
4057         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
4058
4059 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
4060
4061         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
4062         tem becomes a local variable which is set to the value of the
4063         back end defined INITIAL_FRAME_ADDRESS macro.
4064         (expand_builtin_frame_address): Omit the base parameter to
4065         expand_builtin_return_addr.
4066         (expand_builtin_profile_func): Likewise.
4067         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
4068         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
4069         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
4070
4071 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
4072
4073         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
4074         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
4075         * config/frv/frv.c (frv_function_epilogue): Likewise.
4076
4077 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
4078
4079         * lambda-code (perfect_nestify): Remove mark/unmark
4080         for rewriting hack.
4081         * tree-loop-linear.c (linear_transform_loops): Add
4082         rewrite_into_ssa call so that ssa is correct for
4083         rewriting into loop closed.
4084
4085 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
4086
4087         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
4088         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
4089         BITMAP_FREE.
4090         * bt-load.c (btr_def_live_range, combine_btr_defs,
4091         migrate_btr_def, migrate_btr_defs): Likewise.
4092         * cfgcleanup.c (thread_jump): Likewise.
4093         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
4094         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
4095         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
4096         df_rd_local_compute, df_reg_info_compute): Likewise.
4097         * dominance.c (init_dom_info, free_dom_info): Likewise.
4098         * flow.c (init_propagate_block_info,
4099         free_propagate_block_info): Likewise.
4100         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
4101         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
4102         modify_reg_pav): Likewise.
4103         * loop-invariant.c (find_defs, find_invariant_insn,
4104         find_invariants, free_inv_motion_data): Likewise.
4105         * predict.c (tree_predict_by_opcode,
4106         estimate_bb_frequencies): Likewise.
4107         * stmt.c (expand_case): Likewise.
4108         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
4109         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
4110         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
4111         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
4112         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
4113         rewrite_ssa_into_ssa): Likewise.
4114         * tree-optimize.c (tree_rest_of_compilation): Likewise.
4115         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
4116         analyze_edges_for_bb, perform_edge_inserts): Likewise.
4117         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
4118         * tree-sra.c (tree_sra): Likewise.
4119         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
4120         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
4121         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
4122         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
4123         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
4124         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
4125         Likewise.
4126         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
4127         calculate_live_on_entry, calculate_live_on_exit,
4128         build_tree_conflict_graph): Likewise.
4129         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
4130         record_important_candidates, set_use_iv_cost, find_depends,
4131         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
4132         tree_ssa_iv_optimize_finalize): Likewise.
4133         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
4134         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
4135         tree_duplicate_loop_to_header_edge): Likewise.
4136         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
4137         * tree-ssa.c (verify_flow_insensitive_alias_info,
4138         verify_name_tags, verify_ssa, init_tree_ssa,
4139         delete_tree_ssa): Likewise.
4140         * tree-ssanames.c (marked_ssa_names, init_ssanames,
4141         fini_ssanames): Likewise.
4142         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
4143
4144 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
4145
4146         * config/rs6000/t-rtems: Completely reworked.
4147
4148 2005-02-17  Ira Rosen  <irar@il.ibm.com>
4149
4150         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
4151
4152 2005-02-17  Ira Rosen  <irar@il.ibm.com>
4153
4154         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
4155         POINTER_TYPE_P when checking that type is a pointer.
4156         (vect_get_memtag): Remove.
4157         (vect_address_analysis): Use POINTER_TYPE_P. Call
4158         vect_object_analysis with dummy parameter for memtag.
4159         (vect_object_analysis): Extract memtag (functionality that
4160         used to be in vect_get_memtag and moved here). Fix printings.
4161         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
4162         with correct parameters. Remove call to vect_get_memtag.
4163
4164 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
4165
4166         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
4167         (tree-vectorizer.o): Added missing dependencies.
4168
4169         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
4170         decleration.
4171         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
4172         declaration in tree-vectorizer.c, now has an extern declaration in
4173         tree-vectorizer.h).
4174         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
4175         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
4176         get_vectype_for_scalar_type, vect_is_simple_use,
4177         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
4178         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
4179         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
4180         vectorizable_store, vectorizable_operation, vectorizable_assignment,
4181         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
4182         find_loop_location): Likewise.
4183
4184         * tree-vectorizer.c (langhooks.h): #include removed.
4185         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
4186         moved to tree-vectorized.h.
4187         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
4188         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
4189         get_vectype_for_scalar_type, vect_is_simple_use,
4190         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
4191         vect_supportable_dr_alignment, new_loop_vec_info,
4192         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
4193         vect_set_verbosity_level, find_loop_location): Likewise.
4194
4195         (vect_analyze_loop): Function externalized. Declaration moved to
4196         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
4197         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
4198         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
4199         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
4200         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
4201         vect_enhance_data_refs_alignment, vect_analyze_operations,
4202         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
4203         vect_stmt_relevant_p, vect_get_loop_niters,
4204         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
4205         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
4206         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
4207         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
4208         vect_get_memtag): Likewise.
4209
4210         (vectorizable_load): Function externalized. Declaration moved to
4211         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
4212         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
4213         vect_transform_loop): Likewise.
4214         (vect_transform_stmt): Moved to tree-vect-transform.c.
4215         (vect_align_data_ref, vect_create_destination_var,
4216         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
4217         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
4218         vect_get_vec_def_for_operand, vect_init_vector,
4219         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
4220         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
4221         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
4222         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
4223         vect_do_peeling_for_loop_bound): Likewise.
4224
4225         * tree-vect-analyze.c: New file.
4226         * tree-vect-transform.c: New file.
4227
4228 2005-02-17  Jason Merrill  <jason@redhat.com>
4229
4230         PR mudflap/19319, c++/19317
4231         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
4232         slot explicit.
4233
4234 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
4235
4236         * doc/install.texi (Specific): Update link for Darwin-specific
4237         tool binary site.
4238
4239 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
4240
4241         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
4242         constant_boolean_node.
4243
4244 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
4245
4246         PR target/19019
4247         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
4248         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
4249
4250 2005-02-16  Richard Henderson  <rth@redhat.com>
4251
4252         PR 19920
4253         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
4254         with W_TYPE_SIZE.
4255         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
4256         replace uses with Wtype_MAXp1_F.
4257         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
4258         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
4259         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
4260         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
4261         and HAVE_TFMODE as appropriate.
4262         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
4263         (__floatdisf): Likewise.
4264         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
4265         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
4266         (Wtype_MAXp1_F): New.
4267         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
4268         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
4269
4270 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
4271
4272         * PR target/19162
4273         * arm.c (arm_apply_result_size): New function.
4274         * arm.h (APPLY_RESULT_SIZE): Define.
4275         * arm-protos.h (arm_apply_result_size): Add prototype.
4276         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
4277         (movxf): New expand.
4278         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
4279         (call_value_symbol): Remove predicate for operand 0.
4280         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
4281         (untyped_call): Rework to correclty return values for any type.
4282         (untyped_return): New expand.
4283         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
4284
4285 2005-02-16  Stan Shebs  <shebs@apple.com>
4286
4287         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
4288         * config/rs6000/t-darwin8: New, for 64-bit multilib.
4289
4290 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
4291
4292         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
4293         configure settings on Solaris 7 and later.
4294
4295 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
4296
4297         PR tree-optimization/19865
4298         * tree-optimize.c (init_tree_optimization_passes): Run
4299         pass_may_alias after pass_sra.
4300
4301 2005-02-16  Richard Henderson  <rth@redhat.com>
4302             Stuart Hastings  <stuart@apple.com>
4303
4304         PR debug/19521
4305         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
4306         Do nothing if debug info suppressed for this function.
4307         (dbxout_begin_function): Early exit if debug info suppressed for
4308         this function.
4309
4310 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
4311
4312         PR target/20007
4313         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
4314         find_basic_blocks.
4315         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
4316
4317         PR tree-optimization/19967
4318         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
4319         expand_builtin_strchr, expand_builtin_strrchr): Take a new
4320         argument TYPE.  Adjust calls to fold_builtin_XXX.
4321         (expand_builtin, fold_builtin_1): Adjust calls to
4322         expand_builtin_XXX.
4323         (fold_builtin_strchr, fold_builtin_strpbrk,
4324         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
4325         result to a requested type TYPE.
4326
4327 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
4328
4329         PR middle-end/19857
4330         * fold-const.c (fold): Don't optimize (T)(x & cst) to
4331         (T)x & (T)cst if (T)cst overflows.
4332         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
4333         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
4334
4335 2005-02-15  Jeff Law  <law@redhat.com>
4336
4337         * gcse.c (blocks_with_calls): New bitmap.
4338         (alloc_gcse_mem): Allocate it.
4339         (free_gcse_mem): Free it.
4340         (clear_modifY_mem_tables): Clear it.
4341         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
4342         when we encounter CALL_INSNs.
4343         (compute_transp, case MEM): Handle blocks with calls separate
4344         from blocks without calls.  Use bitmap iterators rather than
4345         FOR_EACH_BB.
4346
4347 2005-02-15  Peter O'Gorman  <peter@pogma.com>
4348
4349         PR bootstrap/18810
4350         * mklibgcc.in (vis_hide): Use a temporary object file, not
4351         -o /dev/null.
4352
4353 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
4354
4355         PR target/19924
4356         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
4357         access optimization.
4358
4359 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
4360             Alan Modra  <amodra@bigpond.net.au>
4361
4362         PR target/19019
4363         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
4364         (_xlqsub): Rename to __gcc_qsub.
4365         (_xlqmul): Rename to __gcc_qmul.
4366         (_xlqdiv): Rename to __gcc_qdiv.
4367         Provide versioned symbol aliases with old names.
4368         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
4369         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
4370         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
4371         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
4372         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
4373
4374 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
4375
4376         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
4377         Fold ~(A - 1) and ~(A + -1) to -A.
4378
4379 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
4380
4381         PR pch/14940
4382         PR target/19300
4383         * config/host-linux.c (linux_gt_pch_use_address): Copy from
4384         config/pa/pa-host.c:pa_gt_pch_use_address.
4385
4386 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
4387
4388         * tree-vn.c (get_value_handle): Make sure that given an
4389         is_gimple_min_invariant expression, we always return it.
4390
4391 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
4392
4393         * passes.c (rest_of_handle_gcse): Fix a comment.
4394
4395 2005-02-15  Jeff Law  <law@redhat.com>
4396
4397         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
4398         bitmap.
4399         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
4400         (canon_list_insert, record_last_mem_set_info): Similarly.
4401         (clear_modify_mem_tables): Similarly.
4402
4403 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
4404
4405         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
4406         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
4407         config/mips/mips.md, config/rs6000/aix.h,
4408         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
4409
4410 2005-02-15  Richard Henderson  <rth@redhat.com>
4411
4412         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
4413         call to be best_edge.
4414
4415 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
4416
4417         * basic-block.h: Adjust the prototype for find_basic_blocks.
4418         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
4419         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
4420         find_basic_blocks.
4421
4422         * flow.c (recompute_reg_usage): Remove all arguments.
4423         * passes.c (rest_of_compilation): Adjust the call to
4424         recompute_reg_usage.
4425         * rtl.h: Adjust the prototype for recompute_reg_usage.
4426
4427 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
4428
4429         * tree-dump.c (dump_files): Update to reflect new member
4430         of dump_file_info.
4431         (dump_register): Add new argument.
4432         Set glob name.
4433         (dump_switch_p_1): Check against glob name if doglob was passed.
4434         (dump_switch_p): Check against regular first, then glob if
4435         we didn't have any hits on the dump name.
4436         * tree-optimize.c (register_one_dump_file):
4437         Pass in glob name as well.
4438         * tree-pass.h (struct dump_file_info): Add glob
4439         member.
4440
4441 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
4442
4443         PR preprocessor/16323
4444         * doc/invoke.texi: Document that -Wendif-labels is on by default.
4445
4446 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
4447
4448         PR target/19019
4449         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
4450         (trunctfdf2_internal1): New.
4451         (trunctfdf2_internal2): Renamed from trunctfdf2.
4452
4453 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
4454
4455         PR tree-optimization/19853
4456         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
4457
4458 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
4459
4460         * passes.c (rest_of_handle_loop_optimize): Remove calls to
4461         delete_dead_jumptables and cleanup_cfg.
4462
4463 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
4464
4465         * reload.c (find_reloads): Swap address_reloaded flags when
4466         swapping commutative operands.
4467
4468 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
4469
4470         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
4471         Use standard_iv_increment_position for computing the bsi position
4472         for create_iv.
4473         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
4474         the bsi position.
4475
4476 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
4477
4478         PR target/17428
4479         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
4480         life range of hard registers.
4481         * value-prof.c (insn_prefetch_values_to_profile): Only
4482         scan normal insns.
4483
4484         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
4485         profile in libcalls.
4486
4487 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
4488
4489         * bitmap.h (bitmap_and_compl_into): Return bool.
4490         * bitmap.c (bitmap_and_compl_into): Return changed flag.
4491
4492 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
4493
4494         PR tree-optimization/19944
4495         * fold-const.c (fold): Re-add ABS_EXPR folding.
4496
4497 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
4498
4499         PR target/19019
4500         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
4501         {TARGET,MASK}_XL_COMPAT.
4502         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
4503         MASK_XL_COMPAT.
4504         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
4505         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
4506         TARGET_XL_COMPAT.
4507         (rs6000_arg_partial_bytes): Same.
4508         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
4509         and XL compatibility enabled.
4510         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
4511         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
4512         test to final condition.
4513         (cmptf_internal2): New.
4514         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
4515         xl-compat.  Add TFmode information to description.
4516
4517 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
4518
4519         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
4520
4521 2005-02-13  Jason Merrill  <jason@redhat.com>
4522
4523         PR c++/16405
4524         * fold-const.c (fold_indirect_ref_1): Split out from...
4525         (build_fold_indirect_ref): Here.
4526         (fold_indirect_ref): New fn.
4527         * tree.h: Declare it.
4528         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
4529         (gimplify_modify_expr_rhs): Likewise.
4530         (gimplify_expr): Likewise.
4531
4532 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
4533
4534         PR tree-optimization/14303
4535         PR tree-optimization/15784
4536         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
4537         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
4538         ABS_EXPR<x> != 0 to x != 0.
4539
4540 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
4541
4542         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
4543         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
4544         spelling conventions.
4545
4546         * passes.c (rest_of_handle_gcse): Don't run cse_main and
4547         delete_trivially_dead_insns too many times.
4548
4549         * passes.c (rest_of_handle_gcse): Remove dead assignments to
4550         tem and tem2.
4551
4552 2005-02-12  Ira Rosen  <irar@il.ibm.com>
4553
4554         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
4555         (vect_is_simple_iv_evolution): Remove redundant parameter
4556         and step check.
4557         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
4558         without last parameter.
4559         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
4560         Return pointer step. Call vect_is_simple_iv_evolution without
4561         last parameter. Check only that the step is multiple of size
4562         type. Remove stmt_vinfo updates.
4563         (vect_get_memtag_and_dr): Remove.
4564         (vect_get_memtag): New function.
4565         (vect_address_analysis): New function.
4566         (vect_object_analysis): New function.
4567         (vect_analyze_data_refs): Call vect_object_analysis and
4568         vect_get_memtag. Update stmt_vinfo fields.
4569
4570 2005-02-12  Ira Rosen  <irar@il.ibm.com>
4571
4572         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
4573         exist and are objects. Remove checks for pointer.
4574         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
4575         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
4576         (vect_create_data_ref_ptr): Likewise.
4577         (vect_base_addr_differ_p): New function.
4578         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
4579         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
4580         Don't set the DR_BASE_NAME field of data-ref.
4581         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
4582
4583 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
4584
4585         * optabs.h (enum optab_index): Add new OTI_ldexp.
4586         (ldexp_optab): Define corresponding macro.
4587         * optabs.c (init_optabs): Initialize ldexp_optab.
4588         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
4589         patterns.
4590         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
4591         using ldexp_optab.
4592         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
4593         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
4594
4595         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
4596         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
4597         intrinsics.
4598
4599 2005-02-12  Ira Rosen  <irar@il.ibm.com>
4600
4601         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
4602         to base_address.
4603         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
4604         stmt_vec_info.
4605         (vect_get_base_and_offset): Always return an address.
4606         (vect_create_addr_base_for_vector_ref): Remove treatment for
4607         different data reference types.
4608         (vect_compute_data_ref_alignment): Rename base to base_address in
4609         stmt_vec_info. Get the object in order to force its alignment.
4610         (vect_get_memtag_and_dr): Rename base to base_address in
4611         stmt_vec_info. Extract the object for memtag analysis.
4612
4613 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
4614
4615         PR regression/19898.
4616         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
4617         changes cc_status, use apply modified_in_p to part of cc_status
4618         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
4619         body.
4620
4621 2005-02-11  Richard Henderson  <rth@redhat.com>
4622
4623         * tree-complex.c (expand_complex_libcall): New.
4624         (expand_complex_multiplication): Use it for c99 compliance.
4625         (expand_complex_division): Likewise.
4626         * fold-const.c (fold_complex_add, fold_complex_mult): New.
4627         (fold): Call them.
4628         * builtins.c (built_in_names): Remove const.
4629         * tree.c (build_common_builtin_nodes): Build complex arithmetic
4630         builtins.
4631         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
4632         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
4633         (built_in_names): Remove const.
4634         * c-common.c (c_common_type_for_mode): Handle complex modes.
4635         * flags.h, toplev.c (flag_complex_method): Rename from
4636         flag_complex_divide_method.
4637         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
4638         __mulsc3, __muldc3, __mulxc3, __multc3): New.
4639         * libgcc2.h: Declare them.
4640         * libgcc-std.ver: Export them.
4641         * mklibgcc.in (lib2funcs): Build them.
4642
4643 2005-02-11  Steven Bosscher  <stevenb@suse.de>
4644
4645         PR tree-optimization/19876
4646         Partially revert my change from 2005-01-14
4647         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
4648         (compute_antic): ...and remove the loop here.
4649
4650 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
4651
4652         PR middle-end/19858
4653         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
4654         is number of inner's bits, avoid creating a BIT_FIELD_REF.
4655
4656         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
4657         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
4658
4659 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
4660
4661         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
4662         offsets for the big-endian 32-bit case.
4663
4664 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
4665
4666         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
4667
4668 2005-02-11  Dale Johannesen  <dalej@apple.com>
4669
4670         * cselib.c (cselib_process_insn):  Clear out regs where
4671         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
4672         * reload.c (find_equiv_reg): Ditto.
4673
4674 2005-02-11  Ian Lance Taylor  <ian@airs.com>
4675
4676         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
4677         with no elements.
4678
4679         * tree.c (build_function_type_list): Work correctly if there are
4680         no arguments.
4681
4682 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
4683
4684         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
4685         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
4686         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
4687         TARGET_ZARCH instead of TARGET_64BIT.
4688
4689 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
4690
4691         * config/rs6000/t-rtems:
4692         (MULTILIB_OPTIONS): Remove mcpu=602.
4693         (MUTLILIB_DIRNAMES): Remove m602.
4694         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
4695         Let mcpu=602 match mcpu=603.
4696         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
4697
4698 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4699
4700         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
4701         signal trampolines.
4702
4703 2005-02-10  David Daney  <ddaney@avtrex.com>
4704
4705         * config/alpha/linux-unwind.h: Add exception clause to copyright.
4706         * config/i386/linux-unwind.h: Likewise.
4707         * config/ia64/linux-unwind.h: Likewise.
4708         * config/mips/linux-unwind.h: Likewise.
4709         * config/pa/linux-unwind.h: Likewise.
4710         * config/rs6000/linux-unwind.h: Likewise.
4711         * config/s390/linux-unwind.h: Likewise.
4712         * config/sh/linux-unwind.h: Likewise.
4713         * config/sparc/linux-unwind.h: Likewise.
4714
4715 2005-02-10  Steven Bosscher  <stevenb@suse.de>
4716
4717         PR tree-optimization/17549
4718         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
4719         TER to replace a DEF with its expression if the DEF and the
4720         rhs of the expression we replace into have the same root
4721         variable.
4722
4723 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
4724
4725         * config/mips/mips.md: Fix the placement of the match_scratch in the
4726         lea64 peephole2.
4727
4728 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
4729
4730         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
4731         Fix comment typos.
4732
4733 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
4734
4735         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
4736         (strip_offset): Handle addresses.
4737         (add_address_candidates): Use strip_offset.
4738         (difference_cost): Reflect strip_offset change.
4739         (force_var_cost, difference_cost): Strip nops.
4740
4741 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
4742
4743         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
4744
4745         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
4746         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
4747         config/cris/cris-protos.h, config/cris/cris.c: Update
4748         copyright.
4749
4750 2005-02-10  Jeff Law  <law@redhat.com>
4751
4752         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
4753         (lookup_avail_expr): Similarly.
4754
4755 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
4756
4757         * builtins.c (fold_builtin_powi): New function.
4758         (fold_builtin_1): Call it.
4759
4760 2005-02-10  Steven Bosscher  <stevenb@suse.de>
4761
4762         PR documentation/19309
4763         * doc/cpp.texi: The __GNUC__ and related predefined macros
4764         are also defined for the "standalone" cpp.
4765         Some non-GCC compilers may also define __GNUC__.
4766
4767 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
4768
4769         PR c/19342
4770         * c-typeck.c (common_type): New routine.  Old common_type renamed
4771         to...
4772         (c_common_type): ...this.
4773         (build_conditional_expr, build_binary_op): Use c_common_type instead
4774         of common_type.
4775
4776 2005-02-10  Steven Bosscher  <stevenb@suse.de>
4777
4778         * doc/md.texi: Replace @samp{length} with @code{length}.
4779
4780 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
4781
4782         PR tree-optimization/18687
4783         * tree-flow.h (find_loop_niter): Declare.
4784         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
4785         Try using scev even for loops with more than one exit.
4786         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
4787         (struct ivopts_data): Added niters field.
4788         (struct nfe_cache_elt): New.
4789         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
4790         functions.
4791         (tree_ssa_iv_optimize_init): Initialize niters cache.
4792         (determine_number_of_iterations): Removed.
4793         (find_induction_variables): Do not call determine_number_of_iterations.
4794         Access niters for single exit through niter_for_single_dom_exit.
4795         (add_iv_outer_candidates): Access niters for single exit through
4796         niter_for_single_dom_exit.
4797         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
4798         number_of_iterations_cond.
4799         (iv_period): New function.
4800         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
4801         (may_replace_final_value): Take data argument.  Use
4802         niter_for_single_dom_exit.
4803         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
4804         (rewrite_use_compare): Pass data to may_eliminate_iv.
4805         (rewrite_use_outer): Pass data to may_replace_final_value.
4806         (free_loop_data): Clean up the niters cache.
4807         (tree_ssa_iv_optimize_finalize): Free the niters cache.
4808         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
4809         * tree-ssa-loop-niter.c (find_loop_niter): New function.
4810         (find_loop_niter_by_eval): Use tree_int_cst_lt.
4811         (num_ending_zeros): Moved to tree.c.
4812         * tree.h (num_ending_zeros): Declare.
4813         * tree.c (num_ending_zeros): Moved from tree.c.
4814
4815 2005-02-09  Richard Henderson  <rth@redhat.com>
4816
4817         * builtins.c (DEF_BUILTIN): Add COND argument.
4818         * tree.h (DEF_BUILTIN): Likewise.
4819         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
4820         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
4821         match.
4822         (DEF_BUILTIN_STUB): New.
4823         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
4824         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
4825         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
4826         * c-common.c (DEF_BUILTIN): Add COND argument.
4827         * tree.c (local_define_builtin): New.
4828         (build_common_builtin_nodes): New.
4829
4830 2005-02-09  Roger Sayle  <roger@eyesopen.com>
4831
4832         * fold-const.c (fold_strip_sign_ops): New function to simplify a
4833         floating point expression ignoring the sign of the result.
4834         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
4835         (fold) <MULT_EXPR>: Use it to simplify x*x.
4836         * tree.h (fold_strip_sign_ops): Prototype here.
4837         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
4838         argument.  Use fold_strip_sign_ops to simplify the first argument.
4839         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
4840         first argument when the second argument is an even integer
4841         constant, but only with -funsafe_math_optimizations.
4842         (fold_builtin_1): Update call to fold_builtin_copysign.
4843
4844 2005-02-09  Ian Lance Taylor  <ian@airs.com>
4845
4846         PR middle-end/19583
4847         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
4848         just check whether EH_FILTER_FAILURE falls through.
4849
4850 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
4851
4852         * gcc/haifa-sched.c (schedule_block): Make queued sched group
4853         insns return to ready list in the next turn.
4854
4855 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
4856
4857         PR middle-end/19402
4858         * builtins.def: New __builtin_powi[lf].
4859         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
4860         (expand_builtin_powi): New function.
4861         (expand_builtin): Dispatch to expand_builtin_powi.
4862         * libgcc2.h: Add prototypes for __builtin_powi[lf].
4863         * libgcc2.c: Add __builtin_powi[lf] implementation.
4864         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
4865         * optabs.h: Add powi_optab.
4866         * optabs.c (init_optabs): Initialize powi_optab.
4867         * doc/extend.texi: Document __builtin_powi[lf].
4868
4869 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
4870
4871         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
4872         exists.
4873
4874 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
4875
4876         PR middle-end/19854
4877         * fold-const.c (try_move_mult_to_index): Remove redundant
4878         type argument.  Create ADDR_EXPR with correct type.
4879         (fold): Update callers of try_move_mult_to_index.  Convert
4880         result to the appropriate type.
4881
4882 2005-02-09  Roger Sayle  <roger@eyesopen.com>
4883
4884         PR target/19597
4885         * config/avr/avr.c (default_rtx_costs): Delete.
4886         (avr_operand_rtx_cost): New function.
4887         (avr_rtx_costs): Completely rewrite.
4888
4889 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
4890
4891         PR target/19806
4892         * config/cris/cris.c (in_code): New variable.
4893         (cris_output_addr_const): Now a static function, a wrapper for
4894         output_addr_const.
4895         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
4896         case from old cris_output_addr_const.
4897         (cris_asm_output_label_ref): Similar for LABEL_REF.
4898         (cris_output_addr_const_extra): Similar for UNSPEC.
4899         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
4900         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
4901         * config/cris/cris-protos.h (cris_output_addr_const): Remove
4902         declaration.
4903         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
4904         (cris_asm_output_label_ref): Declare.
4905
4906 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
4907
4908         PR preprocessor/19801
4909         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
4910         filenames that changed when libcpp was moved to the toplevel.
4911
4912 2005-02-07  Roger Sayle  <roger@eyesopen.com>
4913
4914         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
4915         zero extensions of BImode operands.  Call lowpart_subreg instead
4916         of gen_lowpart_common and gen_lowpart_SUBREG.
4917
4918 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
4919
4920         PR ada/19489
4921         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
4922         * configure.ac: Set cc_for_cross_gnattools.
4923         * configure: Regenerate.
4924
4925 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
4926
4927         PR target/19803
4928         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
4929
4930 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
4931
4932         PR debug/19327
4933         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
4934         of nested functions.
4935
4936 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
4937
4938         * doc/extend.texi: Document deprecated extensions allowing
4939         static floating-point members to have initializers and allowing
4940         floating-point literals in integral constant expressions.
4941
4942 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
4943
4944         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
4945         config/darwin7.h, config/mips/mips.c,
4946         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
4947         Update copyright.
4948
4949         * cse.c: Update comments.
4950
4951 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
4952
4953         PR middle-end/19775
4954         * builtins.c (fold_builtin_sqrt): Transform
4955         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
4956         pow(x,y*0.5).
4957
4958 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
4959             Dorit Naishlos  <dorit@il.ibm.com>
4960
4961         * doc/invoke.texi (ftree-vectorizer-verbose): New.
4962         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
4963         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
4964         was added.
4965         * tree.h (vect_set_verbosity_level): New extern function declaration
4966         added.
4967         * tree-vectorizer.h (verbosity_levels): New enum type.
4968         * tree-vectorizer.c (vect_debug_stats): Function removed.
4969         (vect_debug_details): Likewise.
4970         (vect_verbosity_level): Global variable was defined and initialized.
4971         (vect_dump): Global variable definition.
4972         (vect_print_dump_info): New function.
4973         (vect_set_dump_settings): New function.
4974         (vect_set_verbosity_level): New function.
4975         (vectorize_loops): Add call to vect_set_dump_settings.
4976
4977         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
4978         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
4979         (slpeel_tree_peel_loop_to_edge): Likewise.
4980
4981         (vect_analyze_offset_expr): Call to vect_print_dump_info with
4982         appropriate verbosity level instead of call to vect_debug_details
4983         or vect_debug_stats.
4984         (vect_get_base_and_offset):
4985         (vect_create_addr_base_for_vector_ref):
4986         (get_vectype_for_scalar_type):
4987         (vect_create_data_ref_ptr):
4988         (vect_init_vector):
4989         (vect_get_vec_def_for_operand):
4990         (vect_finish_stmt_generation):
4991         (vectorizable_assignment):
4992         (vectorizable_operation):
4993         (vectorizable_store):
4994         (vectorizable_load):
4995         (vect_transform_stmt):
4996         (vect_update_ivs_after_vectorizer):
4997         (vect_do_peeling_for_loop_bound):
4998         (vect_update_inits_of_drs):
4999         (vect_do_peeling_for_alignment):
5000         (vect_transform_loop):
5001         (vect_is_simple_use):
5002         (vect_analyze_operations):
5003         (vect_is_simple_iv_evolution):
5004         (vect_analyze_scalar_cycles):
5005         (vect_analyze_data_ref_dependence):
5006         (vect_analyze_data_ref_dependences):
5007         (vect_compute_data_ref_alignment):
5008         (vect_enhance_data_refs_alignment):
5009         (vect_analyze_data_refs_alignment):
5010         (vect_analyze_data_ref_access):
5011         (vect_analyze_data_ref_accesses):
5012         (vect_analyze_pointer_ref_access):
5013         (vect_get_memtag_and_dr):
5014         (vect_analyze_data_refs):
5015         (vect_mark_relevant):
5016         (vect_stmt_relevant_p):
5017         (vect_mark_stmts_to_be_vectorized):
5018         (vect_can_advance_ivs_p):
5019         (vect_get_loop_niters):
5020         (vect_analyze_loop_form):
5021         (vect_analyze_loop):
5022         (vectorize_loops): Likewise.
5023
5024         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
5025         (vect_update_inits_of_drs):
5026         (vect_do_peeling_for_alignment):
5027         (vect_transform_loop):
5028         (vect_analyze_operations):
5029         (vect_analyze_scalar_cycles):
5030         (vect_analyze_data_ref_dependences):
5031         (vect_analyze_data_refs_alignment):
5032         (vect_analyze_data_ref_accesses):
5033         (vect_analyze_data_refs):
5034         (vect_mark_stmts_to_be_vectorized):
5035         (vect_get_loop_niters):
5036         (vect_analyze_loop_form):
5037         (vect_analyze_loop): Likewise.
5038         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
5039
5040 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
5041
5042         PR bootstrap/19796
5043         Revert:
5044         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
5045         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
5046         either -ffast-math or -funsafe-math-optimizations is in use.
5047
5048         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
5049         * config/mips/irix-csr.c: New file.
5050         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
5051         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
5052         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
5053         executables.
5054
5055 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
5056
5057         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
5058         redundant, incorrect definitions.
5059
5060         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
5061         expand.
5062         ("*tls_indirect_call"): New, reference hard regs directly.
5063         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
5064
5065 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
5066
5067         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
5068         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
5069
5070 2005-02-06  Roger Sayle  <roger@eyesopen.com>
5071
5072         PR rtl-optimization/19800
5073         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
5074         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
5075         gen_lowpart.
5076
5077 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
5078
5079         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
5080
5081 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
5082
5083         PR other/17135
5084         * doc/invoke.texi: Correct documentation of -freorder-functions.
5085
5086 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
5087
5088         PR other/14402
5089         * doc/invoke.texi: Don't mention gccbug.
5090
5091 2005-02-06  Roger Sayle  <roger@eyesopen.com>
5092             Andrew Pinski  <pinskia@physics.uc.edu>
5093             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
5094
5095         * simplify-rtx.c (simplify_relational_operation_1): Simplify
5096         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
5097         into just (zero_extract:SI FOO (const_int 1) BAR).
5098
5099 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
5100
5101         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
5102         macro locally.  Don't give last revision date.  Use GCC version
5103         number from gcc-common.texi.
5104         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
5105         revision date.  Use GCC version number from gcc-common.texi.
5106         Describe being a library as current state rather than as 3.x
5107         history.
5108         * doc/gcc.texi: Remove last update date.
5109         * doc/gccint.texi: Likewise.  Update copyright dates.
5110         * doc/install.texi: Update copyright dates.
5111
5112 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
5113
5114         PR other/7549
5115         * doc/invoke.texi: Mention for each option included in -Wall that
5116         it is included in -Wall.
5117         * doc/gcc.texi: Update copyright and last modification date.
5118
5119 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
5120
5121         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
5122         unnecessary cast to original induction variable increments.
5123
5124 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
5125
5126         PR tree-optimization/18219
5127         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
5128         in distributed form.
5129
5130 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
5131
5132         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
5133         Set bitpos and offset later in the function.  Do nothing if the
5134         target is a register and if the bitfield lies completely outside
5135         that register.
5136         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
5137         here.  Return an uninitialised register if the source value is stored
5138         in a register and the bitfield lies completely outside that register.
5139
5140 2005-02-06  Steven Bosscher  <stevenb@suse.de>
5141
5142         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
5143         not SET_DEST.
5144
5145 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
5146
5147         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
5148
5149 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
5150
5151         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
5152         * config/darwin8.h: New.
5153         * config/darwin7.h: Update comment.
5154
5155 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
5156             Dorit Naishlos  <dorit@il.ibm.com>
5157
5158         * tree-vectorizer.h (LOC): New type.
5159         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
5160         (loop_line_number): New field in struct _loop_vec_info.
5161         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
5162
5163         * tree-vectorizer.c (input.h): Included.
5164         (find_loop_location): New function.
5165         (vect_debug_stats): Argument changed from loop to LOC. Computation of
5166         loop line number removed.
5167         (vect_debug_details): Likewise.
5168         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
5169
5170         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
5171         call to vect_debug_details/stats changed from loop to loop_loc.
5172         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
5173         (slpeel_tree_peel_loop_to_edge): Likewise.
5174
5175         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
5176         changed from NULL to UNKNOWN_LOC.
5177         (vect_get_base_and_offset):
5178         (vect_create_addr_base_for_vector_ref):
5179         (get_vectype_for_scalar_type):
5180         (vect_create_data_ref_ptr):
5181         (vect_init_vector):
5182         (vect_get_vec_def_for_operand):
5183         (vect_finish_stmt_generation):
5184         (vectorizable_assignment):
5185         (vectorizable_operation):
5186         (vectorizable_store):
5187         (vectorizable_load):
5188         (vect_transform_stmt):
5189         (vect_update_ivs_after_vectorizer):
5190         (vect_do_peeling_for_loop_bound):
5191         (vect_do_peeling_for_alignment):
5192         (vect_transform_loop):
5193         (vect_is_simple_use):
5194         (vect_analyze_operations):
5195         (vect_is_simple_iv_evolution):
5196         (vect_analyze_scalar_cycles):
5197         (vect_analyze_data_ref_dependences):
5198         (vect_compute_data_ref_alignment):
5199         (vect_enhance_data_refs_alignment):
5200         (vect_analyze_data_ref_access):
5201         (vect_analyze_data_ref_accesses):
5202         (vect_analyze_pointer_ref_access):
5203         (vect_get_memtag_and_dr):
5204         (vect_analyze_data_refs):
5205         (vect_mark_relevant):
5206         (vect_stmt_relevant_p):
5207         (vect_mark_stmts_to_be_vectorized):
5208         (vect_can_advance_ivs_p):
5209         (vect_get_loop_niters):
5210         (vect_analyze_loop):
5211         (vectorize_loops): Likewise.
5212
5213         (vectorizable_load): Argument in call to vect_debug_details/stats
5214         changed from loop to LOOP_LOC (loop_vinfo).
5215         (vect_transform_loop):
5216         (vect_analyze_operations):
5217         (vect_analyze_scalar_cycles):
5218         (vect_analyze_data_ref_dependence):
5219         (vect_enhance_data_refs_alignment):
5220         (vect_analyze_data_ref_accesses):
5221         (vect_analyze_pointer_ref_access):
5222         (vect_analyze_data_refs):
5223         (vect_analyze_loop): Likewise.
5224
5225         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
5226         changed from loop to loop_loc.
5227
5228         (vect_enhance_data_refs_alignment): Removed unused variable loop.
5229
5230 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
5231             Dorit Naishlos  <dorit@il.ibm.com>
5232
5233         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
5234         declaration added.
5235         (vect_analyze_data_ref_dependences): Likewise.
5236
5237         (vect_is_simple_use): Argument changed from loop structure to
5238         loop_vect_info structure.
5239         (vect_can_advance_ivs_p): Likewise.
5240         (vect_create_index_for_vector_ref): Likewise.
5241         (vect_update_ivs_after_vectorizer): Likewise.
5242         (new_stmt_vec_info): Likewise.
5243
5244         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
5245         changed from loop to loop_vinfo.
5246         (vect_create_data_ref_ptr): First argument in call to
5247         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
5248         (vectorizable_assignment): Second argument in call to vect_is_simple_use
5249         was changed from loop to loop_vinfo.
5250         (vectorizable_operation): Likewise.
5251         (vectorizable_store): Likewise.
5252         (vect_mark_stmts_to_be_vectorized): Likewise.
5253         (vect_do_peeling_for_loop_bound): First argument in call to
5254         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
5255         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
5256         was changed from loop to loop_vinfo.
5257         (vect_analyze_data_ref_dependences): Third argument in call to
5258         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
5259
5260         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
5261         (vect_create_data_ref_ptr): Likewise.
5262         (vect_init_vector): Likewise.
5263         (vect_get_vec_def_for_operand): Likewise.
5264         (vectorizable_assignment): Likewise.
5265         (vectorizable_operation): Likewise.
5266         (vectorizable_store): Likewise.
5267         (vectorizable_load): Likewise.
5268         (vect_update_ivs_after_vectorizer): Likewise.
5269         (vect_is_simple_use): Likewise.
5270         (vect_analyze_data_ref_dependence): Likewise.
5271         (vect_analyze_pointer_ref_access): Likewise.
5272         (vect_can_advance_ivs_p): Likewise.
5273
5274         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
5275         before _stmt_vec_info.
5276         (_stmt_vec_info): Loop field replaced by loop_vec_info.
5277         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
5278         (new_stmt_vec_info): Argument changed from loop structure to
5279         loop_vect_info structure
5280
5281         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
5282         (vect_analyze_offset_expr): Avoid 80 columns overflow.
5283         (vect_create_addr_base_for_vector_ref): Likewise.
5284         (vect_analyze_pointer_ref_access): Likewise.
5285
5286 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
5287
5288         PR tree-opt/19768
5289         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
5290         phi flag if the phi is abnormal.
5291
5292 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
5293
5294         PR tree-opt/19736
5295         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
5296         information for the new statement.
5297
5298 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
5299
5300         PR driver/19117
5301         * gcc.c (main): Include the target in -v output.
5302
5303 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
5304
5305         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
5306         Do not drop the extend if we'd have to add a paradoxical subreg
5307         later.  Include optabs.h and insn-codes.h.
5308         * Makefile.in (combine.o): Depend on $(OPTABS_H).
5309
5310 2005-02-02  Roger Sayle  <roger@eyesopen.com>
5311
5312         PR middle-end/19405
5313         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
5314         * fold-const.c (const_binop): Avoid constant folding floating
5315         point operations in modes that use composite representations.
5316         * simplify-rtx.c (simplify_binary_operation): Likewise.
5317
5318 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
5319
5320         * config/rs6000/altivec.md (altivec_dst): Make the first operand
5321         a REG, not a MEM.
5322         (altivec_dstt): Likewise.
5323         (altivec_dstst): Likewise.
5324         (altivec_dststt): Likewise.
5325         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
5326         of first operand.
5327
5328 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
5329
5330         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
5331         EXPR_LOCUS from orig_cond to the new cond_stmt.
5332         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
5333         the new vec_stmt.
5334
5335 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
5336
5337         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
5338         standard_iv_increment_position. Remove call to bsi_next
5339         (no need to bump the iterator anymore).
5340         (vect_create_index_for_vector_ref): Call
5341         standard_iv_increment_position. Remove second function argument.
5342         (vect_finish_stmt_generation): Remove call to bsi_next
5343         (no need to bump the iterator anymore).
5344         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
5345         to vect_create_index_for_vector_ref.
5346
5347 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
5348
5349         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
5350         phis are used out of the loop.
5351
5352 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
5353
5354         PR c/17807
5355         * c-decl.c (undef_nested_function): New variable.
5356         (pop_scope): Diagnose undefined nested functions.
5357         (finish_function): Don't attempt cgraph processing or genericizing
5358         if current top-level function contained an undefined nested
5359         function.  Reset undef_nested_function at the end of a top-level
5360         function.
5361
5362 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
5363
5364         * tree.c (build_int_cst_type): Take sign of the value into account
5365         when deciding whether sign extend the value.
5366
5367 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
5368
5369         PR c/18502
5370         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
5371         (cpp_options, cc1_options): Change %{std*&ansi} to
5372         %{std*&ansi&trigraphs}.
5373
5374 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
5375
5376         * cse.c: Update comments.
5377
5378 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
5379
5380         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
5381         arguments go on the stack.  Do not put complex doubles in odd/even
5382         pairs.
5383
5384 2005-02-02  Steven Bosscher  <stevenb@suse.de>
5385
5386         * doc/invoke.texi: Update the options enabled at -O1, -O2,
5387         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
5388         -ftree-pre, and -fthread-jumps.
5389
5390 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
5391
5392         PR tree-optimization/19578
5393         * tree-flow.h (modified_noreturn_calls): Declare.
5394         (noreturn_call_p): Declare.
5395         * tree-flow-inline.h (noreturn_call_p): New function.
5396         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
5397         * tree-cfg.c (modified_noreturn_calls): New variable.
5398         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
5399         that contain a mid-block noreturn call.
5400         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
5401
5402 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
5403
5404         * df.c (df_def_record_1, df_uses_record): Don't use
5405         DF_FOR_REGALLOC.
5406         * df.h (DF_FOR_REGALLOC): Remove.
5407
5408 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
5409
5410         PR c/19435
5411         * c-typeck.c (really_start_incremental_init): Reset
5412         constructor_max_index for arrays of incomplete type.
5413
5414 2005-02-02  Jeff Law  <law@redhat.com>
5415
5416         * gcse.c (struct reg_set): Store the block index where the register
5417         was set rather than the setting insn.
5418         (record_one_set, compute_transp): Corresponding changes.
5419         (pre_insert_copy_insn): Do not call replace_one_set.
5420         (replace_one_set): Remove.
5421
5422 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
5423
5424         PR other/15514
5425         * doc/gcov.texi: Fix typo.
5426
5427 2005-02-01  Richard Henderson  <rth@redhat.com
5428
5429         PR target/19680
5430         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
5431         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
5432         type to bool.
5433         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
5434         * config/i386/i386-protos.h: Update.
5435
5436 2005-02-01  Steven Bosscher  <stevenb@suse.de>
5437
5438         PR tree-optimization/19217
5439         * tree-cfg.c (verify_expr): Use the data field to see if TP was
5440         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
5441         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
5442         that it is walking a PHI node.
5443
5444 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
5445
5446         * doc/extend.texi (Nested Functions): Update.
5447
5448 2005-02-01  Richard Henderson  <rth@redhat.com>
5449
5450         PR 19696
5451         * optabs.c (expand_copysign_absneg): Export.
5452         * optabs.h (expand_copysign_absneg): Declare.
5453         * config/rs6000/rs6000.md (copysigntf3): New.
5454
5455 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
5456
5457         PR tree-optimization/19633
5458         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
5459         * tree-ssa-alias.c (init_alias_info): Initialize.
5460         (merge_pointed_to_info): Set.
5461         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
5462         (dump_points_to_info_for): Show value of pt_null.
5463         (struct count_ptr_d): Declare.
5464         (find_ptr_dereference): Remove.
5465         (ptr_is_dereferenced_by): Remove.
5466         (count_ptr_derefs): New local function.
5467         (count_uses_and_derefs): New local function.
5468         (compute_points_to_and_addr_escape): Call it.  If the number
5469         of dereferences is greater than zero, mark the pointer as
5470         dereferenced.  If there are fewer dereferences than uses of
5471         the pointer, the pointer's value escapes.
5472
5473 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
5474
5475         PR tree-optimization/19670
5476         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
5477         here...
5478         (verify_use): ... set it here, instead.
5479
5480 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
5481
5482         * doc/sourcebuild.texi (Test directives): Fix formatting.
5483
5484         * doc/sourcebuild.texi (Test directives): Describe selector
5485         expressions.
5486
5487 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
5488
5489         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
5490         specific 64-bit CPUs.
5491
5492 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
5493
5494         PR target/16201
5495         * arm.c (arm_eliminable_register): New function.
5496         (adjacent_mem_locations): Don't allow eliminable registers.  Use
5497         HOST_WIDE_INT for address offsets.
5498         * arm-protos.h (arm_eliminable_register): Add prototype.
5499
5500 2005-02-01  Steven Bosscher  <stevenb@suse.de>
5501
5502         PR optimization/15242
5503         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
5504         * basic-block.h (duplicate_computed_gotos): Add prototype.
5505         * bb-reorder.c (duplicate_computed_gotos): New function to
5506         duplicate sufficiently small blocks ending in a computed jump.
5507         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
5508         if not optimizing for size.
5509         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
5510         never do tail merging for blocks ending in a computed jump.
5511         * doc/invoke.texi: Document the max-goto-duplication-insns param.
5512
5513 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
5514
5515         Patch from Richard Sandiford <rsandifo@redhat.com>
5516         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
5517         from inheriting a subreg equivalence with a non-spill register.
5518
5519         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
5520
5521 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
5522
5523         * config/frv/frv.c (movcc_fp_destination_operand): New.
5524         (gpr_or_memory_operand): Fix typo in comment.
5525         (gpr_or_memory_operand_with_scratch): New.
5526         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
5527         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
5528         movcc_fp_destination_operand.
5529         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
5530         Legitimize memory addresses using a scratch register.
5531
5532 2005-01-31  Jeff Law  <law@redhat.com>
5533
5534         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
5535         bitmap a sparse bitmap instead of a simple bitmap.
5536         (mark_def_sites_initialize_block):  Corresponding changes.
5537         (ssa_mark_def_sites_initialize_block): Likewise.
5538         (ssa_mark_phi_uses): Likewise.
5539         (mark_def_site, ssa_mark_def_sites): Likewise.
5540         (mark_def_site_blocks): Likewise.
5541         (rewrite_ssa_into_ssa): Likewise.
5542
5543         * tree-ssa-dom.c (record_cond): Pass correct variable type
5544         for last argument to htab_find_slot_with_hash.
5545
5546         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
5547         effects when optimizing 0 % X.  Do not try to optimize X % 0.
5548
5549 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
5550
5551         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
5552         1_mmalua.
5553
5554 2005-02-01  Eric Christopher  <echristo@redhat.com>
5555
5556         * config/mips/mips.c (override_options): Warn if -mint64
5557         is used.
5558         * doc/invoke.texi (MIPS Options): Document that -mint64 is
5559         deprecated.
5560
5561 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
5562
5563         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
5564         timestamp.
5565         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
5566         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
5567         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
5568         (cached_regno): Initialize to INVALID_REGNUM.
5569         (cse_reg_info_table_size,
5570         cse_reg_info_table_first_uninitialized,
5571         cse_reg_info_timestamp): New.
5572         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
5573         get_cse_reg_info.
5574         (init_cse_reg_info, get_cse_reg_info_1): New.
5575         (get_cse_reg_info): Cache the last look-up.
5576         (new_basic_block): Update the code to clear mappings from
5577         registers to cse_reg_info entries.
5578         (cse_main): Call init_cse_reg_info.
5579
5580         * cse.c (get_cse_reg_info): Update a comment.
5581
5582 2005-01-31  Steven Bosscher  <stevenb@suse.de>
5583
5584         PR c/19333
5585         * c-decl.c (start_decl): Do not warn about arrays of elements with
5586         an incomplete type here.
5587         (grokdeclarator): Do it here by making a pedwarn an error.
5588         * c-typeck.c (push_init_level): If there were previous errors with
5589         the constructor type, do not warn about braces for initializers.
5590         (process_init_element): Likewise for excess initializer elements.
5591
5592 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
5593
5594         * cse.c (delete_trivially_dead_insn): Don't iterate.
5595
5596 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
5597
5598         * config/rs6000/rs6000.md (copysignsf3): New expand.
5599         (copysigndf3): Likewise.
5600
5601 2005-01-31  Steven Bosscher  <stevenb@suse.de>
5602
5603         * recog.c (constrain_operands): Only look for earlyclobber operand
5604         conflicts if an '&' constraint was seen.
5605
5606 2005-01-31  Marc Espie <espie@openbsd.org>
5607
5608         * config.gcc: Don't include embedded systems fragment, switches default
5609         debugging format to ELF.
5610         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
5611         longer pick it up there.
5612
5613 2005-01-31  Dale Johannesen  <dalej@apple.com>
5614
5615         * doc/extend.texi (nested functions): Fix linkage description.
5616         Clarify that static is not allowed.
5617
5618 2005-01-31  Dale Johannesen  <dalej@apple.com>
5619
5620         * config/rs6000/darwin.md (movsf_low_di):  Make work.
5621         (movdf_low_di):  Make work.
5622
5623 2005-01-31  Dale Johannesen  <dalej@apple.com>
5624
5625         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
5626         Make work for 64 bit.
5627
5628 2005-01-31  Roger Sayle  <roger@eyesopen.com>
5629             Dale Johannesen  <dalej@apple.com>
5630
5631         PR middle-end/19650
5632         * fold-const.c (fold_binary_op_with_conditional_arg):
5633         Make types match original operands, before STRIP_NOPS.
5634
5635 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
5636
5637         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
5638         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
5639         (struct gcc_sigcontext): Delete.  Merge contents to..
5640         (struct gcc_ucontext): ..here.
5641         (get_sigcontext): Delete.
5642         (get_regs): New function, like get_sigcontext but return regs ptr.
5643         64-bit version finds regs from r1 to support vdso.
5644         (ppc_linux_aux_vector): New function.
5645         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
5646         and vector regs.
5647
5648 2005-01-31  Ira Rosen  <irar@il.ibm.com>
5649
5650         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
5651         sizetype.
5652         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
5653         redundant fold. Fix misalignment for MINUS_EXPR.
5654         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
5655         (vect_analyze_pointer_ref_access): Likewise.
5656         (vect_get_memtag_and_dr): Likewise.
5657
5658 2005-01-31  Richard Henderson  <rth@redhat.com>
5659
5660         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
5661         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
5662         absnegdf2_i387, absnegxf2_i387): Likewise.
5663
5664 2005-01-31  Richard Henderson  <rth@redhat.com>
5665
5666         PR 19696
5667         * optabs.c (expand_copysign_absneg): New.
5668         (expand_copysign_bit): Split out from ...
5669         (expand_copysign): ... here.  Use expand_copysign_absneg.
5670
5671 2005-01-30  Roger Sayle  <roger@eyesopen.com>
5672
5673         PR middle-end/19697
5674         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
5675         constant as the second operand and a register as the third.
5676
5677 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
5678
5679         PR target/19704
5680         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
5681         that dllimport'd functions do not use all call-clobbered registers
5682         to pass parameters.
5683
5684 2005-01-30  Richard Henderson  <rth@redhat.com>
5685
5686         PR 19696
5687         * optabs.c (expand_absneg_bit): Split out from expand_unop and
5688         expand_abs_nojump and generalize.  Use operand_subword and
5689         emit_no_conflict_block.  Support large modes.
5690         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
5691         back to maximum.
5692         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
5693         negation to subtraction.
5694         (expand_copysign): Check that the format has signed zeros.
5695         Use operand_subword and emit_no_conflict_block.  Support large modes.
5696
5697 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
5698
5699         Fix PR tree-optimization/19624
5700
5701         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
5702         * tree-ssa-pre.c: Add cfgloop.h.
5703         Update comment.
5704         (pre_stats): New member, constified.
5705         (inserted_exprs): New static variable.
5706         (NECESSARY): New macro.
5707         (create_expression_by_pieces): Fold the expression, and
5708         mark it as defaulting to not necessary. Also put in
5709         inserted_exprs.
5710         (fully_constant_expression): New function.
5711         (insert_into_preds_of_block): Modify to not insert phis when we
5712         are playing with induction variables.
5713         Push phis onto the inserted_exprs vector, and mark them as not
5714         necessary by default.
5715         (insert_aux): Call fully_constant_expression on eprime.
5716         If all edges produce the same value, mark it constant.
5717         (mark_operand_necessary): New function.
5718         (remove_dead_inserted_code): New function.
5719         (init_pre): Init loop optimizer to get loop info.
5720         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
5721         (execute_pre): Commit edge inserts, then remove dead code.
5722
5723 2005-01-30  Richard Henderson  <rth@redhat.com>
5724
5725         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
5726         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
5727
5728 2005-01-30  Richard Henderson  <rth@redhat.com>
5729
5730         PR target/19700
5731         * config/i386/i386.c (ix86_expand_copysign): New.
5732         (ix86_split_copysign_const): New.
5733         (ix86_split_copysign_var): Rename from ix86_split_copysign,
5734         rearrange op1/nmask operands.
5735         * config/i386/i386-protos.h: Update.
5736         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
5737         (copysigndf3): Likewise.
5738         (copysignsf3_const, copysigndf3_const): New.
5739         (copysignsf3_var): Rename from copysignsf3, split out splitter
5740         and fix split predicate for X constraint.
5741         (copysigndf3_var): Similarly.
5742
5743 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
5744
5745         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
5746         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
5747         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
5748
5749 2005-01-29  Richard Henderson  <rth@redhat.com>
5750
5751         PR target/19690
5752         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
5753         of # and * in constraints.
5754
5755 2005-01-29  Richard Henderson  <rth@redhat.com>
5756
5757         PR middle-end/19689
5758         * expr.c (store_field): Don't strip sub-mode cast when the input
5759         data is even smaller.
5760
5761 2005-01-29  Richard Henderson  <rth@redhat.com>
5762
5763         PR middle-end/19687
5764         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
5765         union being empty.
5766
5767 2005-01-29  Richard Henderson  <rth@redhat.com>
5768
5769         * combine.c (make_field_assignment): Fix argument order
5770         to gen_int_mode.
5771
5772 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
5773
5774         PR tree-optimization/15791
5775         * fold-const.c (extract_array_ref): New function.
5776         (fold): Fold comparisons between &a[i] and &a[j] or
5777         semantically equivalent trees.
5778
5779 2005-01-29  Jeff Law  <law@redhat.com>
5780
5781         * gcse.c (insert_expr_in_table): Revamp handling of available
5782         and anticipatable occurrence lists to avoid unnecessary list
5783         walking.
5784         (insert_set_in_table): Similarly.
5785
5786 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
5787
5788         * c-common.c (fix_string_type): Just use c_build_qualified_type to
5789         build string type.
5790         (c_build_qualified_type): Build qualified array types with
5791         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
5792         * c-decl.c (c_make_fname_decl): Build unqualified array type
5793         before qualified type.
5794         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
5795         type is qualified, not just if type itself is.  Don't apply
5796         qualifiers to array type when declarator is processed.  Apply
5797         qualifiers to field type whether or not it is an array type.
5798         Don't handle array types specially for applying qualifiers to
5799         variables.
5800         * c-typeck.c (composite_type): Build unqualified element type and
5801         array type when forming composite of array types.
5802         (common_pointer_type, comptypes, comp_target_types,
5803         type_lists_compatible_p, build_indirect_ref, build_array_ref,
5804         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
5805         types.
5806         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
5807         (args2) in variables a1 and a2.
5808
5809 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
5810
5811         * cse.c (n_elements_made, max_elements_made): Remove.
5812         (insert): Don't touch n_elements_made.
5813         (cse_main): Don't touch n_elements_made or max_elements_made.
5814
5815 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
5816
5817         PR target/15384
5818         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
5819         configuration part of dp-bit.c to be lost.
5820
5821 2005-01-28  Roger Sayle  <roger@eyesopen.com>
5822
5823         * expmed.c (expand_mult_highpart_optab): When attempting to use
5824         a non-widening multiplication in a wider mode, the operands need
5825         to be converted (zero or sign extended) to that mode.
5826
5827 2005-01-28  Ian Lance Taylor  <ian@airs.com>
5828
5829         PR middle-end/16558
5830         PR middle-end/19583
5831         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
5832         through if both operands fall through.
5833
5834 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
5835
5836         * cse.c (fold_rtx) <PC>: Don't optimize.
5837
5838 2005-01-28  Jeff Law  <law@redhat.com>
5839
5840         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
5841         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
5842
5843 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
5844
5845         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
5846         cse_reg_info_used_list_end): Remove.
5847         (cse_reg_info_list, cse_reg_info_list_free): New.
5848         (get_cse_reg_info): When allocating an instance of
5849         cse_reg_info, add it to the beginning of the cse_reg_info_list
5850         list.  Remove code to maintain cse_reg_info_used_list.
5851         (new_basic_block): Reset the free list to the beginning of
5852         cse_reg_info_list.
5853
5854 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
5855
5856         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
5857         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
5858         (frv_expand_mdpackh_builtin): New function.
5859         (frv_expand_builtin): Use it to expand __MDPACKH.
5860         * doc/extend.texi (__MDPACKH): Update documentation.
5861
5862 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
5863
5864         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
5865         SSE_FLOAT_MODE_P for use_sse computation.
5866
5867 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
5868
5869         PR target/19663
5870         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
5871
5872 2005-01-27  Richard Henderson  <rth@redhat.com>
5873
5874         * builtins.c (expand_builtin_copysign): New.
5875         (expand_builtin): Call it.
5876         * genopinit.c (optabs): Add copysign_optab.
5877         * optabs.c (init_optabs): Initialize it.
5878         (expand_copysign): New.
5879         * optabs.h (OTI_copysign, copysign_optab): New.
5880         (expand_copysign): Declare.
5881
5882         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
5883         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
5884
5885         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
5886         (ix86_expand_fp_absneg_operator): ... here.
5887         (ix86_split_copysign): New.
5888         * config/i386/i386-protos.h: Update.
5889         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
5890         (copysignsf3, copysigndf3): New.
5891
5892         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
5893         (copysignsf3, ncopysignsf3): New.
5894         (copysigndf3, ncopysigndf3): New.
5895         (copysignxf3, ncopysignxf3): New.
5896         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
5897
5898 2005-01-27  Arend Bayer  <arend.bayer@web.de>
5899             Kazu Hirata  <kazu@cs.umass.edu>
5900
5901         * cse.c: (find_best_addr): Don't call copy_rtx before calling
5902         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
5903         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
5904         NULL_RTX.
5905
5906 2005-01-27  Jeff Law  <law@redhat.com>
5907
5908         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
5909         definitions of SSA_NAMEs which are not being rewritten.
5910         (rewrite_ssa_into_ssa): Only initialize the current definition
5911         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
5912         If checking is enabled, assert that SSA_NAME_AUX is clear for all
5913         SSA_NAMEs before returning.
5914
5915 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
5916
5917         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
5918         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
5919         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
5920         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
5921         config/mips/iris6.h, config/sh/sh.c: Update copyright.
5922
5923 2005-01-27  Steven Bosscher  <stevenb@suse.de>
5924
5925         PR middle-end/17278
5926         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
5927         higher to -O2 and higher.  Likewise for tree PRE.
5928         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
5929         and better.
5930
5931 2005-01-27  Ian Lance Taylor  <ian@airs.com>
5932
5933         PR middle-end/19583
5934         * gimple-low.c (try_catch_may_fallthru): New static function.
5935         (block_may_fallthru): Handle TRY_CATCH_EXPR.
5936         * tree-inline.c (expand_call_inline): Don't warn about reaching
5937         the end of a non-void function being inlined if the function uses
5938         a return slot.
5939
5940 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
5941
5942         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
5943
5944         PR c/18946
5945         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
5946         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
5947         (implicitly_declare): Handle error_mark_node.
5948
5949 2005-01-27  Richard Henderson  <rth@redhat.com>
5950
5951         PR tree-opt/14329
5952         * tree.h (struct tree_decl): Add debug_expr_is_from.
5953         (DECL_DEBUG_EXPR_IS_FROM): New.
5954         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
5955         * dwarf2out.c (dwarf2out_var_location): Update to match.
5956         * tree-outof-ssa.c (create_temp): Likewise.
5957         * var-tracking.c (track_expr_p): Likewise.
5958         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
5959         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
5960         * toplev.c (default_tree_printer): Likewise.
5961
5962 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
5963
5964         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
5965         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
5966
5967 2005-01-27  Steven Bosscher  <stevenb@suse.de>
5968
5969         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
5970         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
5971         ASM_CLOBBERS): Add tree checks.
5972
5973         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
5974         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
5975         * c-common.def (SWITCH_STMT): Update to match.
5976         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
5977         macros instead of SWITCH_EXPR ones.
5978         * c-dump.c (c_dump_tree): Likewise.
5979         * c-gimplify.c (gimplify_switch_stmt): Likewise.
5980         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
5981
5982         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
5983
5984 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
5985
5986         * unwind-dw2.c (execute_stack_op): Add missing cases for
5987         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
5988
5989 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
5990
5991         * config.gcc (Obsolete configurations): Remove 'dummy', add
5992         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
5993         sparc-*-openbsd*.
5994
5995 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
5996
5997         PR tree-optimization/19633
5998         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
5999         CALL_EXPRs.
6000         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
6001         are no call-clobbered variables.
6002         * tree-outof-ssa.c (check_replaceable): Return false for calls
6003         with side-effects.
6004
6005 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
6006
6007         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
6008         even for variables with NULL DECL_INITIAL.
6009
6010 2005-01-26  Stuart Hastings  <stuart@apple.com>
6011
6012         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
6013
6014 2005-01-26  Richard Henderson  <rth@redhat.com>
6015
6016         PR middle-end/18008
6017         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
6018         field's type.
6019         * expr.c (store_field): Strip conversions to odd-bit-sized types
6020         if the destination field width matches.
6021
6022 2005-01-26  Richard Henderson  <rth@redhat.com>
6023
6024         * c-decl.c, expmed.c, expr.c: Revert last change.
6025
6026 2005-01-26  Richard Henderson  <rth@redhat.com>
6027
6028         PR middle-end/18008
6029         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
6030         field's type.
6031         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
6032         if we don't need the bits above those present in the current mode.
6033         * expr.c (store_field): Strip conversions to odd-bit-sized types
6034         if the destination field width matches.
6035
6036 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
6037
6038         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
6039         either -ffast-math or -funsafe-math-optimizations is in use.
6040
6041 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
6042
6043         PR target/19293
6044         PR target/19329
6045         * config/avr/avr.c (notice_update_cc): Only set condition code for
6046         ashrqi3 if shift count > 0.
6047         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
6048         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
6049         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
6050         count <= 0 as a no-op, and shift count >= width by copying zero
6051         or sign bit to all bits of the result.
6052         * config/avr/avr.md (all shifts): Add alternatives for zero shift
6053         count, with attribute "length" set to 0 and "cc" set to "none".
6054
6055 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
6056
6057         * doc/invoke.texi: Document -mTLS.
6058
6059         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
6060         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
6061         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
6062         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
6063         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
6064         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
6065         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
6066         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
6067
6068         * configure.ac: Check for a TLS capable gas.
6069
6070         * configure: Regenerate.
6071
6072 2005-01-26  Richard Henderson  <rth@redhat.com>
6073
6074         PR middle-end/18008
6075         * combine.c (make_field_assignment): Simplify store to zero_extract
6076         from a source with an overlapping mask.
6077
6078 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
6079
6080         2004-11-11  Eric Christopher  <echristo@redhat.com>
6081
6082         * config/frv/frv.md: Add fr400_integer automaton. Don't
6083         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
6084         to TYPE_MACC.
6085
6086 2005-01-26  Steven Bosscher  <stevenb@suse.de>
6087
6088         PR middle-end/16585
6089         * cfgbuild.c (make_edges): Do not clear or set
6090         current_function_has_computed_jump.
6091         * function.h (struct function): Remove the has_computed_jump field.
6092         (current_function_has_computed_jump): Do not define.
6093         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
6094         in a computed jump.  Ignore current_function_has_computed_jump.
6095
6096 2005-01-26  Richard Henderson  <rth@redhat.com>
6097
6098         PR middle-end/19515
6099         * expr.c (categorize_ctor_elements): New argument p_must_clear.
6100         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
6101         fully initialized.
6102         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
6103         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
6104         objects into static storage if they have more than one non-zero value.
6105         * tree.h (categorize_ctor_elements): Update decl.
6106
6107 2005-01-26  Steven Bosscher  <stevenb@suse.de>
6108
6109         PR middle-end/19616
6110         * tree.h (CALL_EXPR_TAILCALL): Add comment.
6111         * calls.c (check_sibcall_argument_overlap_1): Revert the change
6112         to this function from 2004-07-10.
6113         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
6114         the current function for tail call optimizations if the address
6115         of one of it its arguments is taken.
6116
6117 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
6118
6119         * cse.c (fold_rtx): Call equiv_constant only when necessary.
6120
6121 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
6122
6123         * function.c (expand_function_end): If current_function_calls_alloca,
6124         emit stack restore in a place that is reached when the function falls
6125         through at the end.
6126
6127 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
6128
6129         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
6130         rule to avoid matching inappropriate suffix rule.
6131
6132 2005-01-26  Jan Hubicka  <jh@suse.cz>
6133
6134         PR tree-optimization/19241
6135         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
6136
6137 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
6138
6139         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
6140         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
6141         of doubling.
6142         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
6143         <sim*>: Always use crt1.o, regardless of N in simN.
6144         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
6145         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
6146         (CRT_CALL_STATIC_FUNCTION): Remove.
6147         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
6148         use crt1.o, regardless of N in simN.
6149         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
6150         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
6151         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
6152         case isystem setting.
6153         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
6154
6155 2005-01-25  Ian Lance Taylor  <ian@airs.com>
6156
6157         * gimple-low.c (block_may_fallthru): Correct handling of
6158         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
6159
6160 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
6161
6162         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
6163         handlers to match indentation; nested under the mtune=* handler.
6164         Similar for mcpu= and march=.
6165
6166 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
6167
6168         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
6169         * config/mips/linux64.h (LIB_SPEC): Likewise.
6170         * config/mn10300/linux.h (LIB_SPEC): Likewise.
6171         * config/sh/linux.h (LIB_SPEC): Likewise.
6172
6173 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
6174
6175         * config/frv/frv.c (frv_legitimize_tls_address): New.
6176         (TARGET_HAVE_TLS): Define.
6177         (FRV_SYMBOL_REF_TLS_P): Define.
6178         (frv_override_options): Handle new register classes.
6179         (frv_legitimate_address_p): Reject tls addresses.
6180         (frv_legitimize_address): Handle TLS addresses.
6181         (gen_inlined_tls_plt): New.
6182         (gen_tlsmoff): New.
6183         (frv_legitimize_tls_address): New.
6184         (unspec_got_name): Add TLS entries.
6185         (got12_operand): Add R_FRV_TLSMOFF12 case.
6186         (frv_emit_move): Fixup TLS addresses.
6187         (frv_emit_movsi): Legitimize TLS addresses.
6188
6189         * config/frv/frv.h (MASK_BIG_TLS): New.
6190         (TARGET_BIG_TLS): New.
6191         (HAVE_AS_TLS): Define.
6192         (TARGET_SWITCHES): Add -mTLS and -mtls options.
6193         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
6194         (REG_CLASS_NAMES): Same.
6195         (REG_CLASS_CONTENTS): Same.
6196         (CONSTRAINT_LEN): New.
6197         (REG_CLASS_FROM_CONSTRAINT): New.
6198         (PREDICATE_CODES): Add symbolic_operand.
6199
6200         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
6201         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
6202         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
6203         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
6204         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
6205         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
6206         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
6207         GR9_REG, GR14_REG, LRREG.
6208         (type): Add load_or_call attribute.
6209         ("load_or_call"): New reservation.
6210         ("call_gettlsoff"): New.
6211         ("tls_indirect_call"): New.
6212         ("tls_load_gottlsoff12"): New.
6213         ("tlsoff_hilo"): New.
6214         ("tls_tlsdesc_ldd"): New.
6215         ("tls_tlsoff_ld"): New.
6216         ("tls_lddi"): New.
6217
6218         * config/frv/frv-protos.h (symbolic_operand): Protoize.
6219
6220         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
6221
6222         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
6223         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
6224         * config/frv/frv.c (TLS_BIAS): Define.
6225         (frv_output_dwarf_dtprel): New.
6226
6227 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
6228
6229         PR rtl-optimization/19579
6230         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
6231         both A and B, see if they don't clobber registers the other expr uses.
6232
6233 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
6234
6235         * real.c (do_add): Initialize signalling and canonical members.
6236
6237         * real.c (real_from_integer): Zero out destination.
6238
6239 2005-01-18  Jan Hubicka  <jh@suse.cz>
6240
6241         PR tree-optimize/19337
6242         * tree-inline.c (initialize_inlined_parameters): Copy
6243         saved_static_chain_decl only.
6244
6245 2005-01-25  Richard Henderson  <rth@redhat.com>
6246
6247         PR target/19556
6248         PR target/19584
6249         * config/i386/i386.c (x86_inter_unit_moves): Zero.
6250         (ix86_preferred_reload_class): Rewrite fp-constant section, with
6251         80387 enabled, to return a proper subclass.  Return the subset that
6252         overlaps with GENERAL_REGS for PLUS.
6253         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
6254
6255 2005-01-25  Richard Henderson  <rth@redhat.com>
6256
6257         PR middle-end/19609
6258         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
6259
6260 2005-01-25  Roger Sayle  <roger@eyesopen.com>
6261
6262         * expmed.c (choose_multiplier): Change interface to return the
6263         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
6264         (expand_divmod): Update calls to choose_multiplier.
6265
6266 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6267
6268         PR middle-end/19330
6269         * expmed.c (extract_bit_field): Use adjust_address instead of
6270         gen_lowpart when op0 is a MEM.
6271
6272 2005-01-24  Steven Bosscher  <stevenb@suse.de>
6273
6274         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
6275
6276 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
6277
6278         * config/mips/irix-csr.c: New file.
6279         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
6280         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
6281         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
6282         executables.
6283
6284 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
6285
6286         PR bootstrap/19364
6287         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
6288         sparc/elf.h, add sparc/sp-elf.h.
6289         (sparc-*-rtems*): Likewise.
6290         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
6291         tm-dwarf2.h, add sparc/sp-elf.h.
6292         (sparc86x-*-elf): Likewise.
6293         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
6294         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
6295         TARGET_OS_CPP_BUILTINS.
6296         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
6297         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
6298         Undefine it.
6299         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
6300         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
6301         (SWITCH_TAKES_ARG): Likewise.
6302         (LOCAL_LABEL_PREFIX): Likewise.
6303         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
6304         (TARGET_N_FORMAT_TYPES): Delete.
6305         (TARGET_FORMAT_TYPES): Likewise.
6306         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
6307         * config/sparc/elf.h: Delete.
6308         * config/sparc/sp-elf.h: New file.
6309
6310 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
6311
6312         * tree-flow-inline.h (phi_arg_from_edge): Remove.
6313         * tree-flow.h: Remove the corresponding prototype.
6314         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
6315         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
6316
6317 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
6318
6319         PR target/17751
6320         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
6321         for AIX ABI or ELF -fPIC.
6322         (rs6000_emit_load_toc_table): Don't create toc_section here.
6323         (rs6000_xcoff_file_start): Nor here.
6324
6325 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
6326
6327         * sh.c (ra.h): Don't #include.
6328         (hard_regs_intersect_p): New function, resurrected from ra.c.
6329
6330         * sh.c: Fix 1996 Copyright.
6331
6332 2005-01-24  Richard Henderson  <rth@redhat.com>
6333             Aldy Hernandez  <aldyh@redhat.com>
6334
6335         * regrename.c (note_sets): Handle subregs.
6336
6337 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
6338
6339         PR bootstrap/18058
6340         * genconditions.c (write_header, write_conditions): Elide file if
6341         not GCC >= 3.0.1.
6342
6343 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
6344
6345         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
6346         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
6347         Update copyright.
6348
6349 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
6350
6351         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
6352         expand_builtin_printf, expand_builtin_fprintf,
6353         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
6354         checking against POINTER_TYPE.
6355         (validate_arglist): Handle POINTER_TYPE code by checking
6356         POINTER_TYPE_P.
6357
6358 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
6359
6360         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
6361         init_rtlanal): New.
6362         (for_each_rtx): Call for_each_rtx_1.
6363         * rtl.h (init_rtlanal): Declare.
6364         * toplev.c (backend_init): Call init_rtlanal.
6365
6366 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
6367
6368         * flow.c (propagate_one_insn): Formatting.
6369
6370         PR middle-end/19551
6371         * flow.c (libcall_dead_p): Be more conservative if unsure.
6372         If there are any instructions between insn and call, see if they are
6373         all dead before saying the libcall is dead.
6374
6375 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
6376
6377         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
6378         operand constraint for operand 0.
6379
6380 2005-01-23  Richard Henderson  <rth@redhat.com>
6381
6382         PR 19486
6383         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
6384         edges leading to join block.
6385
6386 2005-01-23  Roger Sayle  <roger@eyesopen.com>
6387
6388         * expmed.c (expand_mult_highpart): Make static.  Change type of
6389         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
6390         (expand_divmod): Updates calls to expand_mult_highpart by using
6391         gen_int_mode to pass a CONST_INT rtx.
6392         * rtl.h (expand_mult_highpart): Remove prototype.
6393
6394 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
6395
6396         * flow.c (regset_bytes, regset_size): Remove.
6397
6398         * cfganal.c: Fix a reference to Harvey's paper.
6399
6400 2005-01-23  Steven Bosscher  <stevenb@suse.de>
6401
6402         PR rtl-optimization/19464
6403         * tree-optimize.c (init_tree_optimization_passes): Add one more
6404         copyrename pass just before out-of-ssa.
6405
6406 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
6407
6408         PR bootstrap/18058
6409         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
6410         * ggc-none.c (ggc_free): Define.
6411
6412 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
6413
6414         * cse.c (max_reg, max_insn_uid): Remove.
6415         (cse_main): Don't access max_reg or max_insn_uid.
6416
6417         * c-common.c (explicit_flag_signed_bitfields,
6418         lang_statement_code_p, lang_expand_function_end): Remove.
6419         * c-common.h: Remove the corresponding declarations.
6420         * c-opts.c (c_common_handle_option): Remove all write access
6421         to explicit_flag_signed_bitfields.
6422
6423         * cgraph.c (cgraph_varpool_n_nodes): Remove.
6424         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
6425         * cgraph.h: Remove the corresponding declaration.
6426
6427         * gcse.c (null_pointer_info): Remove.
6428
6429 2005-01-23  Roger Sayle  <roger@eyesopen.com>
6430             Eric Botcazou  <ebotcazou@libertysurf.fr>
6431
6432         * combine.c (simplify_logical): Only simplify logical expressions
6433         of the form ior(and(x,y),z) by the inverse distributive law if the
6434         result is cheaper than the original.
6435
6436 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
6437
6438         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
6439         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
6440         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
6441         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
6442         config/freebsd-spec.h, config/arm/arm.h,
6443         config/h8300/h8300.md, config/i386/i386.md,
6444         config/i386/predicates.md, config/i386/sse.md,
6445         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
6446         config/vax/vax.md: Fix comment typos.  Follow spelling
6447         conventions.
6448
6449 2005-01-23  Steven Bosscher  <stevenb@suse.de>
6450
6451         * gengtype.c (walk_type): Produce `not equal to' compares for loop
6452         tests, instead of `less than'.
6453
6454 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
6455
6456         * function.c (assign_parm_setup_block): When creating a new stack slot
6457         for a parameter, get its alignment from the parameter's DECL_ALIGN
6458         rather than the type's TYPE_ALIGN.  Make sure that the parameter
6459         is at least word aligned.
6460
6461 2005-01-22  Roger Sayle  <roger@eyesopen.com>
6462
6463         PR middle-end/19378
6464         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
6465
6466 2005-01-22  Richard Henderson  <rth@redhat.com>
6467
6468         PR target/19506
6469         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
6470         in both compare operands.
6471         (movdfcc_1_sse_max): Likewise.
6472         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
6473         (movdfcc_1_sse): Likewise.
6474         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
6475         scratch register as needed.
6476
6477 2005-01-22  Richard Henderson  <rth@redhat.com>
6478
6479         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
6480
6481         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
6482
6483 2005-01-22  Richard Henderson  <rth@redhat.com>
6484
6485         * genopinit.c (optabs): Use smin/smax for floating point too.
6486         * doc/md.texi: Update to match.  Clarify that floating point
6487         results are undefined for +0/-0 and NaN.
6488         * doc/rtl.texi: Likewise.
6489         * rtl.def (SMIN, SMAX): Likewise
6490         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
6491
6492         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
6493         leading 's' to the name.
6494         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
6495         smaxxf3, sminxf3): Likewise.
6496         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
6497         Likewise.
6498
6499 2005-01-22  Paul Brook  <paul@codesourcery.com>
6500
6501         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
6502
6503 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
6504
6505         * config/s390/s390.c (struct processor_costs): New fields
6506         dlgr, dlr, dr, dsgfr, dsgr.
6507         (z900_cost, z990_cost): Values for new fields.
6508         (s390_rtx_costs): New cases MEM und COMPARE in switch
6509         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
6510         DIV, MOD, UDIV, UMOD.
6511
6512 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
6513
6514         * config/s390/s390.md ("doloop_si64"): Reload input value directly
6515         into the register being decremented.
6516         ("doloop_si31", "doloop_di"): Likewise.
6517         ("*doloop_si_long"): Adapt pattern.
6518
6519 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
6520
6521         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
6522         access registers.
6523         (CLASS_MAX_NREGS): Likewise.
6524
6525 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
6526
6527         * doc/tree-ssa.texi (Statement Operands): Add example for new
6528         must-def macro. Note deprecation of old operands interface.
6529
6530 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
6531
6532         PR tree-optimization/19484
6533         * tree-cfg.c (remove_fallthru_edge): New function.
6534         (cleanup_control_flow): Remove fallthru edges from calls that are
6535         now known not to return.
6536
6537 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
6538
6539         Fix PR tree-optimization/19038
6540         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
6541         copies with loop variant ones.
6542
6543 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
6544
6545         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
6546         config/alpha/alpha-protos.h, config/alpha/alpha.h,
6547         config/alpha/alpha.md, config/alpha/predicates.md,
6548         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
6549         config/sparc/sol2.h: Update copyright.
6550
6551         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
6552         first label to see if it is a nonlocal label.
6553
6554 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
6555             Andrew Pinski  <pinskia@physics.uc.edu>
6556
6557         PR target/19491
6558         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
6559         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
6560
6561 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
6562
6563         * config/rs6000/rtems.h: Update copyright.
6564
6565 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
6566
6567         PR target/19548
6568         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
6569         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
6570         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
6571
6572 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6573
6574         PR c/18809
6575         * c-typeck.c (convert_arguments): Check for error_mark_node.
6576
6577 2005-01-21  Ian Lance Taylor  <ian@airs.com>
6578
6579         PR tree-optimization/13000
6580         * tree-inline.c: Include "tree-flow.h".
6581         (expand_call_inline): If warn_return_type, warn if non-void inline
6582         function falls through.
6583         * tree-cfg.c (execute_warn_function_return): Don't warn about
6584         control reaching end if TREE_NO_WARNING is set.  Set
6585         TREE_NO_WARNING.
6586         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
6587         has been lowered.
6588         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
6589         branch if we don't need one.
6590         * c-typeck.c: Include "tree-flow.h"
6591         (c_finish_bc_stmt): Don't add a goto if the current statement
6592         list doesn't fall through to the current point.
6593
6594 2005-01-21  Roger Sayle  <roger@eyesopen.com>
6595
6596         PR rtl-optimization/576
6597         * real.c (real_arithmetic): Change return type from void to bool
6598         to return an indication that the result may be inexact.
6599         * real.h (real_arithmeric): Update prototype.
6600         * fold-const.c (const_binop):  Don't constant fold floating
6601         point expressions when the user specifies -frounding-math and
6602         the result may depend upon the run-time rounding mode.
6603         (fold_convert_const_real_from_real): Clean-up.
6604         (fold_initializer): Ignore flag_rounding_math for initializers.
6605         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
6606         constant fold FP operations with flag_rounding_math if the
6607         result may depend upon the run-time rounding mode.
6608
6609 2005-01-21  Tom Tromey  <tromey@redhat.com>
6610
6611         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
6612
6613 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
6614
6615         * tree-cfg.c: Fix comment typos.
6616
6617 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
6618
6619         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
6620         around the call to rest_of_handle_branch_target_load_optimize.
6621
6622 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
6623
6624         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
6625         (sparc64-*-openbsd*): Likewise.
6626         (sparclite-*-elf*): Include tm-dwarf2.h.
6627         (sparc86x-*-elf*): Likewise.
6628         (sparc64-*-elf*): Likewise.
6629         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
6630         (DBX_DEBUGGING_INFO): Likewise.
6631         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
6632         (PREFERRED_DEBUGGING_TYPE): Likewise.
6633         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
6634         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
6635         (PREFERRED_DEBUGGING_TYPE): Likewise.
6636         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
6637         (PREFERRED_DEBUGGING_TYPE): Likewise.
6638         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
6639
6640 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
6641
6642         PR target/18701
6643         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
6644
6645 2005-01-20  Paul Brook  <paul@codesourcery.com>
6646
6647         * doc/rtl.texi: Document value extension requirements for CONST_INT.
6648
6649 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
6650
6651         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
6652         label is first in a sequence of labels.
6653
6654         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
6655
6656 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
6657             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
6658
6659         * doc/sourcebuild.texi (Test Directives): New.
6660
6661 2005-01-20  Roger Sayle  <roger@eyesopen.com>
6662
6663         * real.c (real_floor): Don't leave the result uninitialized when
6664         mode is VOIDMode, but return the unrounded intermediate value.
6665         (real_ceil): Likewise.
6666
6667 2005-01-20  Paul Brook  <paul@codesourcery.com>
6668
6669         * config/arm/arm.md (insv): Use gen_int_mode.
6670
6671 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
6672
6673         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
6674         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
6675         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
6676         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
6677         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
6678
6679 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
6680
6681         Fix PR debug/19124
6682         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
6683         fbreg, so we have to assume we can't.
6684         (loc_descriptor_from_tree_1): Ditto.
6685         (containing_function_has_frame_base): New function.
6686         (add_location_or_const_value_attribute): Use it.
6687         Also try to generate a frame_base from a single element location
6688         list.
6689
6690 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
6691
6692         PR tree-optimization/15349
6693         * timevar.def (TV_TREE_MERGE_PHI): New.
6694         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
6695         PHI_WANTED.
6696         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
6697         calls to tree_forwarder_block_p.
6698         (remove_forwarder_block_with_phi, merge_phi_nodes,
6699         gate_merge_phi, pass_merge_phi): New.
6700         * tree-optimize.c (init_tree_optimization_passes): Add
6701         pass_merge_phi.
6702         * tree-pass.h: Add an extern for pass_merge_phi;
6703
6704 2005-01-20  Richard Henderson  <rth@redhat.com>
6705
6706         PR target/19418
6707         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
6708         (_mm_castps_pd, _mm_castps_si128): New.
6709         (_mm_castsi128_ps, _mm_castsi128_pd): New.
6710
6711 2005-01-20  Richard Henderson  <rth@redhat.com>
6712
6713         PR target/19530
6714         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
6715         __builtin_ia32_vec_init_v2si.
6716         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
6717         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
6718         (ix86_init_mmx_sse_builtins): Create it.
6719         (ix86_expand_builtin): Expand it.
6720         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
6721         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
6722         (vec_extractv2si_0, vec_extractv2si_1): New.
6723
6724 2005-01-20  Richard Henderson  <rth@redhat.com>
6725
6726         PR target/16533
6727         * config/i386/i386.c (ix86_expand_push): New.
6728         * config/i386/mmx.md (push<MMXMODE>1): New.
6729         * config/i386/sse.md (push<SSEMODE>1): New.
6730         * config/i386/i386-protos.h: Update.
6731
6732 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
6733
6734         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
6735         copyright.
6736
6737 2005-01-20  Richard Henderson  <rth@redhat.com>
6738
6739         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
6740         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
6741
6742 2005-01-19  Richard Henderson  <rth@redhat.com>
6743
6744         PR target/19350
6745         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
6746         to V4SFmode in SSE1 fallback load path.
6747
6748 2005-01-19  Richard Henderson  <rth@redhat.com>
6749
6750         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
6751         in QImode expansion to ix86_expand_vector_set.
6752         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
6753
6754 2005-01-19  Richard Henderson  <rth@redhat.com>
6755
6756         PR target/19511
6757         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
6758         subclass of the input class.
6759         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
6760         Always true for cross-SSE1 classes.  Rationalize conditionals.
6761         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
6762         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
6763         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
6764         (movdi_2): Add MMX/SSE zeros.
6765         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
6766         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
6767         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
6768         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
6769         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
6770         (zero_extendsidi2_rex64_1): Remove.
6771         (MOV0 peephole): Check GENERAL_REG_P.
6772
6773 2005-01-19  Richard Henderson  <rth@redhat.com>
6774
6775         PR target/19427
6776         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
6777         shufps elements.
6778         (ix86_expand_vector_extract): Likewise.
6779
6780 2005-01-19  Richard Henderson  <rth@redhat.com>
6781
6782         PR middle-end/19304
6783         * expr.c (emit_move_change_mode): New argument force; use
6784         simplify_gen_subreg if true.
6785         (emit_move_via_alt_mode): Merge into ...
6786         (emit_move_via_integer): ... here.
6787         (emit_move_ccmode): Use emit_move_change_mode directly.
6788
6789 2005-01-19  Richard Henderson  <rth@redhat.com>
6790
6791         PR target/19518
6792         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
6793         (alpha_preferred_reload_class): Handle CONST_VECTOR.
6794         (alpha_emit_set_const_1): Add no_output parameter; don't emit
6795         rtl if true.
6796         (alpha_emit_set_const): Likewise.  Make static.
6797         (alpha_emit_set_long_const): Make static.
6798         (alpha_extract_integer): Split out from alpha_expand_mov.
6799         (alpha_split_const_mov): Likewise.
6800         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
6801         (alpha_legitimate_constant_p): New.
6802         * config/alpha/alpha-protos.h: Update.
6803         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
6804         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
6805         * config/alpha/alpha.md (movsi): Add n alternative.
6806         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
6807         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
6808         (splitters for all of the above): Use alpha_split_const_mov.
6809         * config/alpha/predicates.md (non_add_const_operand): New.
6810         (non_zero_const_operand): New.
6811         (input_operand): Use alpha_legitimate_constant_p after reload.
6812
6813 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
6814
6815         PR tree-optimization/19038
6816         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
6817         (add_candidate): Add ivs with increment in latch only if
6818         allow_ip_end_pos_p is true.
6819         (determine_iv_cost): Use empty_block_p.
6820
6821 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
6822
6823         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
6824         (compute_dominance_frontiers): Ditto.
6825
6826 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
6827
6828         PR target/19529
6829         * config/sh/t-rtems: New.
6830         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
6831
6832 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
6833
6834         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
6835         the offset of the selected field.
6836
6837 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
6838
6839         * tree-cfg.c (remove_forwarder_block): Fix the check to
6840         prevent a nonlocal label from appearing in the middle of a
6841         basic block.
6842
6843 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
6844
6845         PR rtl-optimization/19462
6846         * reorg.c (find_end_label): Create return insn only if
6847         current_function_epilogue_delay_list is empty.
6848
6849 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
6850
6851         * doc/passes.texi: Remove paragraph mentioning new-ra.
6852
6853 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
6854
6855         PR rtl-optimization/15139
6856         * combine.c: Include params.h.
6857         (count_rtxs): New function.
6858         (record_value_for_reg): If replace_rtx would replace at least
6859         2 occurrences of REG in VALUE and TEM is really large, replace REG with
6860         (clobber (const_int 0)) instead of TEM.
6861         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
6862         * params.h (MAX_LAST_VALUE_RTL): New.
6863         * Makefile.in (combine.o): Depend on $(PARAMS_H).
6864         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
6865
6866         PR c/17297
6867         * c-typeck.c (digest_init): Only call build_vector if all constructor
6868         elements are *_CST nodes.
6869         * gimplify.c (gimplify_init_constructor): Likewise.
6870
6871         PR middle-end/19164
6872         * c-typeck.c (digest_init): Only call build_vector if inside_init
6873         is a CONSTRUCTOR.
6874
6875 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
6876
6877         * toplev.c (init_asm_output): Remove dead #ifdef.
6878
6879 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
6880
6881         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
6882
6883 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
6884
6885         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
6886         accessing DECL_FUNCTION_CODE.
6887         * dojump.c (do_jump): Likewise.
6888         * gimplify.c (gimplify_call_expr): Likewise.
6889         * predict.c (expr_expected_value): Likewise.
6890         (strip_builtin_expect): Likewise.
6891         * tree-inline.c (estimate_num_insns_1): Likewise.
6892         * tree-ssa-loop-im.c (stmt_cost): Likewise
6893         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
6894         (tree_expr_nonnegative_p): Likewise.
6895
6896 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
6897
6898         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
6899         variant of the load_pcrel_sym pattern.
6900         * config/sparc/sparc.md (P macro): Move to the top.
6901         (load_pcrel_sym): Macroize using P.
6902         (save_register_window): Likewise.
6903
6904 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
6905
6906         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
6907         ("sordered"): Same.
6908
6909 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
6910
6911         PR C/19472
6912         * c-typeck.c (build_asm_expr): Strip nops off
6913         input memory operands.
6914
6915 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
6916
6917         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
6918         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
6919         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
6920         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
6921
6922 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
6923
6924         PR target/19379
6925         * config/i386/i386.c (override_options): If the 80387 is disabled,
6926         then do not return FP values using FP registers.
6927
6928 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
6929
6930         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
6931         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
6932         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
6933         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
6934         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
6935         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
6936         output.h, postreload-gcse.c, postreload.c, recog.c,
6937         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
6938         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
6939         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
6940         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
6941         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
6942         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
6943         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
6944         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
6945
6946         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
6947         config/alpha/alpha.c, config/arm/vfp.md,
6948         config/i386/emmintrin.h, config/i386/i386-modes.def,
6949         config/i386/i386-protos.h, config/i386/i386.h,
6950         config/i386/pmmintrin.h, config/i386/ppro.md,
6951         config/i386/predicates.md, config/i386/xmmintrin.h,
6952         config/i860/i860.c, config/ia64/ia64-modes.def,
6953         config/ia64/ia64-protos.h, config/ia64/ia64.h,
6954         config/ia64/ia64.md, config/ia64/itanium1.md,
6955         config/ia64/itanium2.md, config/ia64/predicates.md,
6956         config/iq2000/iq2000.h, config/mips/linux64.h,
6957         config/rs6000/aix41.h, config/rs6000/aix43.h,
6958         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
6959         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
6960         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
6961         config/sparc/linux64.h, config/sparc/litecoff.h,
6962         config/sparc/sp64-elf.h, config/sparc/sparc.c,
6963         config/sparc/sparc.h, config/sparc/sparc.md,
6964         config/sparc/sysv4-only.h: Update copyright.
6965
6966 2005-01-18  Richard Henderson  <rth@redhat.com>
6967
6968         PR target/19496
6969         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
6970
6971 2005-01-18  Marc Espie  <espie@openbsd.org>
6972         * config/i386/openbsdelf.h: Typo.
6973
6974 2005-01-18  Richard Henderson  <rth@redhat.com>
6975
6976         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
6977         special case for sse.
6978         * config/i386/predicates.md (sse_comparison_operator): Likewise.
6979
6980 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
6981
6982         * tree-inline.c (estimate_num_insns_1): Added cases for
6983         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
6984
6985 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
6986
6987         PR rtl-optimization/19296
6988         * combine.c (simplify_comparison): Rewrite the condition under
6989         which a non-paradoxical SUBREG of a PLUS can be lifted when
6990         compared against a constant.
6991
6992 2005-01-18  Andi Kleen <ak@muc.de>
6993
6994         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
6995         * c.opt (-Wpointer-sign): Add.
6996         * doc/invoke.texi: (-Wpointer-sign): Add.
6997
6998 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
6999
7000         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
7001         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
7002         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
7003         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
7004         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
7005         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
7006         for TARGET_MIX_SSE_I387.
7007         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
7008         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
7009         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
7010         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
7011         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
7012         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
7013         TARGET_MIX_SSE_I387.
7014         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
7015         from expander.
7016
7017 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
7018
7019         PR target/19424
7020         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
7021         Add movaps alternative for xmm reg->reg move.
7022
7023 2005-01-17  Jeff Law  <law@redhat.com>
7024
7025         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
7026         at the end of the main DOM loop rather than just before DOM exits.
7027
7028 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
7029
7030         PR tree-optimization/19121
7031         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
7032         adding aliases to a name tag, also add them to the pointer's
7033         type tag.
7034         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
7035         sensitive alias info at all.  Only check that the two pointers
7036         have compatible pointed-to sets.
7037         * tree-ssa.c (verify_name_tags): Verify that the alias set of
7038         a pointer's type tag is a superset of the alias set of the
7039         pointer's name tag.
7040
7041 2005-01-17  James E Wilson  <wilson@specifixinc.com>
7042
7043         PR target/19357
7044         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
7045         comment to document why.
7046
7047 2005-01-17  Richard Henderson  <rth@redhat.com>
7048
7049         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
7050         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
7051         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
7052         sse2_vmsminv2df3_finite): New.
7053         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
7054         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
7055         Force op1 into register.
7056
7057 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
7058
7059         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
7060         bubblestrap from always rebuilding build directory.
7061
7062 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
7063
7064         * config/s390/s390.md ("*clc"): Remove incorrect '='.
7065         ("*cmpmem_short"): Likewise.
7066
7067 2005-01-17  Steven Bosscher  <stevenb@suse.de>
7068
7069         * basic-block.h: Document BB_* flags.
7070         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
7071         use an sbitmap instead.
7072         * sched-rgn.c (compute_trg_info): Likewise.
7073
7074 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
7075
7076         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
7077         redundant target_cpu_default and extra_parts lines.  Use the default
7078         "from-abi" ISA.
7079         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
7080         (SUBTARGET_EXTRA_SPECS): Delete.
7081         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
7082         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
7083         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
7084         and "n32" for -mabi=n32.
7085
7086 2005-01-17  Ian Lance Taylor  <ian@airs.com>
7087
7088         PR c/5675
7089         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
7090         fold constant variables into initial values.
7091
7092 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
7093
7094         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
7095
7096         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
7097         through the statements backward.
7098
7099 2005-01-17  Ian Lance Taylor  <ian@airs.com>
7100
7101         PR middle-end/13127:
7102         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
7103         a variable set to the return value of the inlined function.
7104
7105 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
7106
7107         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
7108         when modes are tieable.
7109
7110 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
7111
7112         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
7113         of pthread_create to find out if threads are enabled.
7114         * gthr-posix95.h (__gthread_active_p): Likewise.
7115
7116 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
7117
7118         * common.opt (-fnew-ra): Remove.
7119         * ra*.*: Remove.
7120         * toplev.h (flag_new_regalloc): Remove.
7121         * Makefile.in (ra*.*): Don't mention.
7122         * passes.c (rest_of_handle_new_regalloc): Remove.
7123         (rest_of_handle_combine, rest_of_compilation): Always consider
7124         flag_new_regalloc as false.
7125         * doc/invoke.texi: Don't document -fnew-ra.
7126
7127 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
7128
7129         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
7130         last parameter to reg_scan.
7131         * loop.c (loop_optimize): Likewise.
7132         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
7133         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
7134         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
7135         rest_of_handle_gcse, rest_of_handle_loop_optimize,
7136         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
7137         * regclass.c (reg_scan): Likewise, for the declaration.
7138         * rtl.h (reg_scan): Likewise, for the prototype.
7139
7140 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
7141
7142         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
7143         mark_dfs_back_edges.
7144
7145 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
7146
7147         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
7148         (compute_avail): Uses don't go in tmp_gen.
7149
7150 2005-01-16  Steven Bosscher  <stevenb@suse.de>
7151
7152         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
7153         loop to look for a free slot in a page entry.
7154
7155 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7156
7157         PR target/16304
7158         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
7159         * toplev.c (compile_file): Call process_pending_assemble_output_defs
7160         just before targetm.asm_out.file_end.
7161         * tree.h (process_pending_assemble_output_defs): Declare.
7162         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
7163         New functions.
7164         (assemble_alias): Defer generation of assembly code for defines when
7165         TARGET_DEFERRED_OUTPUT_DEFS is true.
7166         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
7167         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
7168         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
7169
7170 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7171
7172         PR target/19336
7173         * pa.c (pa_scalar_mode_supported_p): New function.
7174         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
7175         * pa.h (MIN_UNITS_PER_WORD): Add comment.
7176
7177         * pa-protos.h (prefetch_operand): Delete.
7178         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
7179         * pa.c (prefetch_operand): Delete.
7180         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
7181         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
7182         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
7183         and prefetch_nocc_operand.
7184         * pa.md (prefetch): Rework to avoid reload problems handling short
7185         displacements when a cache control completer needs to be provided.
7186         (prefetch_32, prefetch_64): Delete.
7187         (prefetch_cc, prefetch_nocc): New patterns.
7188
7189 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
7190
7191         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
7192
7193 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7194
7195         PR ada/19388
7196         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
7197         exceeds maximum alignment for global common data.
7198         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
7199         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
7200
7201 2004-01-15  Roger Sayle  <roger@eyesopen.com>
7202
7203         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
7204
7205 2004-01-15  Roger Sayle  <roger@eyesopen.com>
7206
7207         * harg-reg-set.h (reg_class_names): Prototype global array.
7208         * regclass.c (reg_class_names): Declare here and initialize to
7209         REG_CLASS_NAMES.
7210         (dump_regclass): Remove local declaration of reg_class_names.
7211         (regclass): Likewise.
7212         * cfg.c (dump_flow_info): Likewise.
7213         * ra-debug.c (reg_class_names): Likewise.
7214         * regrename.c (reg_class_names): Likewise.
7215         * reload.c (reg_class_names): Likewise.
7216         * reload1.c (spill_failure): Likewise.
7217         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
7218
7219 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
7220
7221         * config/s390/s390.md ("reload_outti"): Remove predicate for
7222         output operand.  Abort if operand is not a MEM.
7223         ("reload_outdi", "reload_outdf"): Likewise.
7224
7225 2005-01-15  Marc Espie  <espie@openbsd.org>
7226
7227         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
7228         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
7229         * config/openbsd.h:  Fix C++ includes for native configurations.
7230         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
7231         Add trampoline support.
7232         * config/i386/openbsdelf.h: New.
7233
7234 2005-01-15  Marc Espie  <espie@openbsd.org>
7235
7236         * collect2.c (main): Explicitly parse -dynamic-linker option.
7237
7238 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
7239
7240         PR tree-optimization/19060
7241         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
7242         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
7243         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
7244         and handle extract_range_from_cond returning false.
7245         * fold-const.c (fold): Optimize comparisons with min/max even for
7246         width > HOST_BITS_PER_WIDE_INT.
7247
7248 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
7249
7250         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
7251         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
7252         Remove little endian multilib variants.
7253         Add mips32 multilib variant.
7254
7255 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
7256
7257         * explow.c (copy_all_reg, stabilize): Remove.
7258         * expr.h: Remove the corresponding prototypes.
7259
7260         * rtlanal.c (regs_set_between_p): Remove.
7261         * rtl.h: Remove the corresponding prototype.
7262
7263 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
7264
7265         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
7266         to rs6000_nonimmediate_operand.
7267         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
7268         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
7269         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
7270         rs6000_nonimmediate_operand.
7271         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
7272         rs6000_nonimmediate_operand.
7273
7274 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
7275
7276         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
7277
7278 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
7279
7280         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
7281         on e500v2.
7282         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
7283         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
7284
7285         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
7286         (rs6k_nonimmediate_operand): New.
7287         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
7288         correctly.
7289         (legitimate_lo_sum_address_p): Same.
7290         (rs6000_legitimize_address): Same.
7291         (rs6000_legitimize_reload_address): Same.
7292         (rs6000_legitimate_address): Same.
7293         (spe_build_register_parallel): Pass DF and DC modes in a DI
7294         register.
7295
7296         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
7297         to rs6k_nonimmediate_operand.
7298
7299         * config/rs6000/spe.md ("*frob_df_di"): New.
7300         ("*frob_di_df"): New.
7301         ("*frob_di_df_2"): New.
7302         ("*mov_sidf_e500_subreg0"): New.
7303         ("*mov_sidf_e500_subreg4"): New.
7304         ("*movdf_e500_double"): Change predicate to
7305         rs6k_nonimmediate_operand.
7306
7307 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
7308
7309         * postreload.c (move2add_note_store): Only call
7310         trunc_int_for_mode on scalar integers.
7311
7312 2005-01-14  Steven Bosscher  <stevenb@suse.de>
7313
7314         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
7315         replace BB_VISITED uses.
7316         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
7317         (propagate_necessity): Check the bitmap instead of BB_VISITED.
7318         (tree_dce_done): Free visited_control_parents.
7319         (perform_tree_ssa_dce): Allocate and clear it.
7320         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
7321         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
7322         instead of BB_VISITED.
7323
7324 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
7325
7326         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
7327         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
7328         Remove unused prototypes.
7329
7330 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
7331
7332         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
7333         64-bit register usage.
7334         (spe_func_has_64bit_regs_p): Add FIXME note.
7335
7336 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
7337
7338         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
7339         flag_finite_math_only with flag_unsafe_math_optimizations.
7340
7341 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
7342
7343         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
7344         end-of-stack check.
7345         (__tpf_eh_return): Copy TPF private stack area from the module
7346         boundary stack frame.  Add check for when module addresses are
7347         equal, but no stub address is found.
7348
7349 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
7350
7351         PR target/7525
7352         * arm.h (struct machine_function): Add call_via field.
7353         (thumb_call_via_label): Declare.
7354         * arm.c (thumb_call_via_label): New variable.
7355         (thumb_call_reg_needed): New variable.
7356         (arm_output_function_epilogue): For Thumb code, output any per-function
7357         call-indirect trampolines.
7358         (thumb_call_via_reg): New function.
7359         (arm_file_end): New function.
7360         (TARGET_ASM_FILE_END): Call arm_file_end.
7361         (aof_file_end): Likewise.
7362         * arm-protos.h (thumb_call_via_reg): Declare.
7363         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
7364         thumb_call_via_reg in normal case.
7365
7366 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
7367
7368         PR middle-end/19084
7369         PR rtl-optimization/19348
7370         * recog.c (peephole2_optimize): Do global life update if some peephole
7371         decides it doesn't need at least one of its inputs and that change
7372         influences liveness at the start of the basic block.
7373
7374         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
7375         arguments instead of 1.
7376
7377 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
7378
7379         PR middle-end/18820
7380         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
7381         zero for nested functions needing a static chain or functions
7382         with a non-constant address.
7383
7384 2005-01-13  Roger Sayle  <roger@eyesopen.com>
7385
7386         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
7387         (and (sign_extend X) C) into (zero_extend (and X C)).
7388
7389 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
7390
7391         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
7392
7393 2005-01-13  Richard Henderson  <rth@redhat.com>
7394
7395         PR target/19009
7396         PR target/19250
7397         PR target/19252
7398         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
7399         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
7400         not just TARGET_SSE.
7401         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
7402         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
7403         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
7404         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
7405         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
7406         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
7407         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
7408         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
7409         (movdicc_c_rex64): Rename with '*'.
7410         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
7411         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
7412         (movsfcc_1_387): Rename from movsfcc_1.
7413         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
7414         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
7415         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
7416         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
7417         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
7418         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
7419         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
7420         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
7421         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
7422         sse_movdfcc_const0_4): Remove.
7423         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
7424         recognize min/max early.  Update for changed sse cmove patterns.
7425         (ix86_split_sse_movcc): New.
7426         * config/i386/i386-protos.h: Update.
7427
7428 2005-01-13  Steven Bosscher  <stevenb@suse.de>
7429
7430         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
7431         (fix_stmt_v_may_defs): Likewise.
7432
7433 2005-01-13  Richard Henderson  <rth@redhat.com>
7434
7435         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
7436         for converting the mask.
7437
7438 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
7439
7440         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
7441         definition to 600.
7442
7443 2005-01-13  Richard Henderson  <rth@redhat.com>
7444
7445         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
7446         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
7447         IX86_BUILTIN_MOVDQ2Q): Remove.
7448         (IX86_BUILTIN_VEC_EXT_V4SI): New.
7449         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
7450         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
7451         shuffling.
7452         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
7453         (sse2_pextrw): Fix immediate constraint.
7454         (sse2_loadq, sse2_loadq_rex64): Remove.
7455         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
7456         Use __builtin_ia32_vec_ext_<size>.
7457         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
7458
7459 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
7460
7461         * function.c (assign_parm_setup_block): Look inside original
7462         entry_parm when inspecting PARALLEL.
7463
7464 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
7465             Joel Sherrill  <joel@oarcorp.com>
7466
7467         PR target/19399
7468         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
7469         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
7470         rtems_gxx_recursive_mutex_init.
7471         (__gthread_recursive_mutex_lock): New function.
7472         (__gthread_recursive_mutex_trylock): Likewise.
7473         (__gthread_recursive_mutex_unlock): Likewise.
7474
7475 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
7476
7477         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
7478
7479 2005-01-13  Jan Beulich  <jbeulich@novell.com>
7480
7481         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
7482         (ashrti3_internal): Indicate output is early clobber. Generate result
7483         into output rather than first input. Use move for low word of output
7484         if shift count is exactly 64.
7485         (lshrti3_internal): Likewise.
7486
7487 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
7488
7489         PR target/18329
7490         PR target/18330
7491         * reload1.c (delete_output_reload): Don't delete an output reload
7492         if the pseudo lives longer than a single basic block.  Adjust and
7493         improve wording of comment.
7494
7495 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
7496
7497         PR target/19334
7498         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
7499         of TYPE_SIZE where we mean the number of bytes.
7500
7501 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
7502
7503         * function.c (assign_parm_setup_block): Relax condition on
7504         multi-register optimization.
7505
7506 2005-01-12  Nick Clifton  <nickc@redhat.com>
7507
7508         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
7509         an "in_delay_slot" attribute of "no" to prevent them being used in
7510         delay slots.  This is forbidden because they might generate
7511         exceptions.
7512
7513 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
7514
7515         PR target/19389
7516         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
7517         with r->Y and Y->r.
7518
7519 2005-01-12  Nick Clifton  <nickc@redhat.com>
7520
7521         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
7522         passed on to GAS) but do not define, as GAS no longer supports or
7523         needs the -m2000 option.
7524
7525 2005-01-11  Roger Sayle  <roger@eyesopen.com>
7526
7527         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
7528         type as args of unprototyped builtins aren't automatically promoted.
7529         (fold_builtin_abs): Likewise.
7530
7531 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7532
7533         * Makefile.in: Set a `build-warn' variable.
7534
7535 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
7536
7537         PR tree-optimization/17949
7538         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
7539         (find_interesting_uses_address): Use it.
7540
7541 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
7542
7543         * regrename.c (kill_value): Handle subreg's that won't simplify.
7544
7545 2005-01-11  Richard Henderson  <rth@redhat.com>
7546
7547         PR target/13366
7548         * config/i386/i386.h (enum ix86_builtins): Move ...
7549         * config/i386/i386.c: ... here.
7550         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
7551         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
7552         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
7553         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
7554         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
7555         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
7556         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
7557         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
7558         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
7559         IX86_BUILTIN_LOADDDUP): Remove.
7560         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
7561         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
7562         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
7563         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
7564         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
7565         (ix86_init_builtins): Make static.
7566         (ix86_init_mmx_sse_builtins): Update for changed builtins.
7567         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
7568         if all the modes match.  Otherwise, fake it.
7569         (get_element_number, ix86_expand_vec_init_builtin,
7570         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
7571         (ix86_expand_builtin): Make static.  Update for changed builtins.
7572         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
7573         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
7574         (ix86_expand_vector_init_duplicate): New.
7575         (ix86_expand_vector_init_low_nonzero): New.
7576         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
7577         Split out from ix86_expand_vector_init; handle integer modes.
7578         (ix86_expand_vector_init): Use them.
7579         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
7580         * config/i386/i386-protos.h: Update.
7581         * config/i386/predicates.md (reg_or_0_operand): New.
7582         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
7583         (movv2sf_internal): Likewise.  And a splitter to match them all.
7584         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
7585         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
7586         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
7587         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
7588         (mmx_pinsrw): Fix operand ordering.
7589         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
7590         rather than sse_loadss expander.
7591         (movv2df splitter): Similarly.
7592         (sse_loadss, sse_loadlss): Remove.
7593         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
7594         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
7595         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
7596         (sse3_movddup): Rename with '*'.
7597         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
7598         (sse2_loadsd): Remove.
7599         (vec_dupv2df_sse3): Rename from sse3_loadddup.
7600         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
7601         (sse2_pinsrw): Fix argument ordering.
7602         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
7603         (sse2_stored): Remove 'r' destination.
7604         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
7605         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
7606         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
7607         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
7608         vec_extractv16qi, vec_initv16qi): New.
7609
7610         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
7611         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
7612         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
7613         constructor form.
7614         (_mm_load_pd, _mm_store_pd): Use plain dereference.
7615         (_mm_load_si128, _mm_store_si128): Likewise.
7616         (_mm_load1_pd): Use _mm_set1_pd.
7617         (_mm_load_sd): Use _mm_set_sd.
7618         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
7619         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
7620         (_mm_set_epi64): Use _mm_set_epi64x.
7621         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
7622         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
7623         _mm_setr_epi8): Use _mm_set_foo form.
7624         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
7625         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
7626         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
7627         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
7628         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
7629         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
7630         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
7631         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
7632         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
7633         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
7634         (_mm_movedup_pd): Use _mm_shuffle_pd.
7635         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
7636         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
7637         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
7638         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
7639         Use _mm_setzero_ps.
7640         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
7641         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
7642         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
7643         (_mm_store_ps): Use raw dereference.
7644         (_mm_store1_ps): Use _mm_storeu_ps.
7645         (_mm_storer_ps): Use _mm_store_ps.
7646         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
7647         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
7648
7649 2005-01-11  Stan Shebs  <shebs@apple.com>
7650
7651         * config/rs6000/rs6000.c (machopic_output_stub): Issue
7652         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
7653
7654 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
7655
7656         PR target/18761
7657         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
7658         Skip all DECLs except for FIELD_DECLs.
7659
7660 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
7661
7662         * config/s390/s390.c (override_options): Return error if
7663         -mbackchain, -mpacked-stack and -mhard-float are used together.
7664         (s390_va_start): Remove the backchain && packed-stack special case.
7665         (s390_gimplify_va_arg): Likewise.
7666         * doc/invoke.texi: Remove the ABI incompatibility note.
7667
7668 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
7669
7670         * config/s390/s390.c (struct s390_frame_layout): Remove
7671         save_backchain_p.
7672         (s390_frame_info, s390_emit_prologue): Replace occurrences of
7673         save_backchain_p with TARGET_BACKCHAIN.
7674
7675 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
7676
7677         PR target/18916
7678         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
7679         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
7680         * function.c (locate_and_pad_parm): Set new field.
7681         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
7682         Tweak where_pad test to include "none".  Always set mem align for
7683         stack_parm.
7684         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
7685         not sufficient for type.
7686         (assign_parm_setup_block): If stack_parm is zero on entry, always
7687         make a new stack local.  Block move old stack parm if necessary
7688         to new aligned stack local.
7689         (assign_parm_setup_stack): Use a block move to handle
7690         potentially misaligned entry_parm.
7691         (assign_parms_unsplit_complex): Specify required alignment when
7692         creating stack local.
7693         * calls.c (compute_argument_addresses): Override alignment of stack
7694         arg calculated from its type with the alignment given by
7695         FUNCTION_ARG_BOUNDARY.
7696         (store_one_arg): Likewise.
7697
7698 2005-01-11  Jan Beulich  <jbeulich@novell.com>
7699
7700         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
7701         Change respective itanium_class attribute to ialu.
7702         (shladdp4_internal): New.
7703         * config/ia64/predicates.md (shladd_log2_operand): New.
7704
7705 2005-01-11  Richard Henderson  <rth@redhat.com>
7706
7707         * expr.c (store_constructor): Use rtvec_alloc instead of
7708         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
7709
7710 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
7711
7712         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
7713
7714 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
7715
7716         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
7717         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
7718         (TARGET_RWRELOC): Define.
7719         (ia64_rwreloc_section_type_flags): Delete.
7720         (ia64_section_type_flags): New function.
7721         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
7722         (TARGET_RWRELOC): Define.
7723
7724 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
7725
7726         PR target/18987
7727         * config/ia64/ia64.c (process_set): For alloc insn, only call
7728         process_epilogue is !frame_pointer_needed.
7729
7730 2005-01-10  Roger Sayle  <roger@eyesopen.com>
7731
7732         PR c++/19355
7733         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
7734         unary operator and can't be treated as a binary/comparison operator.
7735
7736 2005-01-10  Richard Henderson  <rth@redhat.com>
7737
7738         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
7739         (ix86_return_in_memory): Likewise.
7740         (function_arg_advance):  Likewise.  Mirror structure in function_arg
7741         for choosing register to advance.
7742
7743 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
7744
7745         * tree-vectorizer.c, tree.def: Fix comment typos.
7746
7747 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
7748
7749         * config/s390/s390.c (struct processor_costs): 4 new fields:
7750         ddbr, ddr, debr, der.
7751         (s390_rtx_costs): More precise handling of divide instructions.
7752
7753 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
7754
7755         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
7756
7757 2005-01-10  Jan Beulich  <jbeulich@novell.com>
7758
7759         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
7760         names resulting from -ffunction-sections/-fdata-sections and linkonce
7761         ones.
7762         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
7763         based on the section name. Rearrange the section name comparison logic
7764         slightly so that each section name is compared against at most once.
7765
7766 2005-01-10  Ben Elliston  <bje@au.ibm.com>
7767
7768         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
7769         targets for which -fPIC reduces limitations on the GOT size.
7770
7771 2005-01-09  Falk Hueffner  <falk@debian.org>
7772
7773         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
7774         X/C1 cmpop C2.
7775
7776 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
7777
7778         PR target/18720
7779         * collect2.c (main): Set aixrtl_flag for -brtl option.
7780         (resolve_lib_name): Search for .so file extension before .a
7781         if aixrtl_flag set.
7782
7783 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
7784
7785         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
7786         (vect_analyze_data_refs_alignment): Add dump prints.
7787
7788 2005-01-09  Ira Rosen  <irar@il.ibm.com>
7789
7790         * tree-vectorizer.c (vect_analyze_offset_expr): Use
7791         expr_invariant_in_loop_p.
7792         Initialize outputs first thing in the function.
7793         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
7794         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
7795         (vect_analyze_pointer_ref_access): Check that the initial condition of
7796         the access function is loop invariant.
7797
7798 2005-01-09  Richard Henderson  <rth@redhat.com>
7799
7800         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
7801         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
7802         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
7803         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
7804         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
7805         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
7806         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
7807         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
7808         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
7809         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
7810         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
7811         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
7812         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
7813         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
7814         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
7815         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
7816         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
7817         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
7818         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
7819         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
7820         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
7821         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
7822         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
7823         mmx_ prefix.
7824         (mmx_clrdi, pavgusb): Remove.
7825         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
7826         with leading sse_ prefix.
7827         * config/i386/sse.md: Receive them.
7828         * config/i386/mmx.md: New file.
7829         (MMXMODE12, MMXMODE24, mmxvecsize): New.
7830         (subrv2sf3): Turn into expander for normal subtraction.
7831         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
7832         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
7833         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
7834         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
7835         commutative; use ix86_binary_operator_ok.
7836         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
7837         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
7838         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
7839         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
7840         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
7841         Macroize from existing patterns; use ix86_binary_operator_ok.
7842         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
7843         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
7844         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
7845         with vec_select+vec_concat.
7846         (mmx_pshufw, mmx_pshufw_1): Likewise.
7847         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
7848         (mmx_uavgv4hi3): Model correctly.
7849         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
7850         _mm_xor_si64): Remove casts.
7851
7852 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
7853
7854         PR tree-optimization/19224
7855         * tree-scalar-evolution.c (get_instantiated_value,
7856         set_instantiated_value): New functions.
7857         (instantiate_parameters_1): Cache the results.
7858         (instantiate_parameters, resolve_mixers): Initialize and free
7859         the cache.
7860
7861 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
7862
7863         * config/i386/i386.md (addhi_4): Correct reference in comment.
7864         (addqi_4): Same.
7865
7866 2005-01-08  Richard Henderson  <rth@redhat.com>
7867
7868         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
7869         (_mm_cvtsi128_si64x): Likewise.
7870         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
7871         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
7872         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
7873         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
7874         * config/i386/i386-protos.h: Update.
7875         * config/i386/i386.c (print_operand): Add 'H'.
7876         (ix86_fixup_binary_operands): Split out from ...
7877         (ix86_expand_binary_operator): ... here.
7878         (ix86_fixup_binary_operands_no_copy): New.
7879         (ix86_expand_fp_absneg_operator): Handle vector mode results.
7880         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
7881         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
7882         (safe_vector_operand): Use CONST0_RTX.
7883         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
7884         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
7885         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
7886         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
7887         special cases.
7888         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
7889         (IX86_BUILTIN_CMPNGESS): New.
7890         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
7891         (attr type): Add sselog1.
7892         (attr unit, attr memory): Handle it.
7893         (movti, movti_internal, movti_rex64): Move near other integer moves.
7894         (movtf, movtf_internal): Move near other fp moves.
7895         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
7896         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
7897         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
7898         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
7899         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
7900         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
7901         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
7902         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
7903         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
7904         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
7905         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
7906         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
7907         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
7908         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
7909         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
7910         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
7911         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
7912         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
7913         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
7914         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
7915         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
7916         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
7917         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
7918         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
7919         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
7920         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
7921         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
7922         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
7923         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
7924         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
7925         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
7926         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
7927         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
7928         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
7929         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
7930         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
7931         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
7932         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
7933         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
7934         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
7935         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
7936         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
7937         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
7938         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
7939         same time.
7940         (SSEPUSH, push<SSEPUSH>): Remove.
7941         (MMXPUSH, push<MMXPUSH>): Remove.
7942         (sse_movaps, sse_movaps_1, sse_movups): Remove.
7943         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
7944         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
7945         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
7946         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
7947         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
7948         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
7949         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
7950         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
7951         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
7952         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
7953         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
7954         (ppro_sse_log_V4SF): Handle sselog1.
7955         * config/i386/predicates.md (const_0_to_1_operand): New.
7956         (const_0_to_255_mul_8_operand): New.
7957         (const_1_to_31_operand): Rename from const_int_1_31_operand.
7958         (const_2_to_3_operand, const_4_to_7_operand): New.
7959         * config/i386/sse.md: New file.
7960         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
7961         (sse_movups): Rename from sse_movups_1.
7962         (sse_loadlss): Rename from sse_loadss_1.
7963         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
7964         from the name.
7965         (negv4sf2): Use ix86_expand_fp_absneg_operator.
7966         (absv4sf2, negv2df, absv2df): New.
7967         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
7968         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
7969         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
7970         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
7971         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
7972         (sse3_addsubv4sf3): Model correctly.
7973         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
7974         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
7975         (sse_movhlps): Model with vec_select+vec_concat.
7976         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
7977         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
7978         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
7979         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
7980         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
7981         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
7982         sse2_pshufhw_1): Likewise.
7983         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
7984         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
7985         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
7986         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
7987         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
7988         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
7989         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
7990         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
7991         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
7992         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
7993         sminv8hi3): Mark commutative
7994         operands.  Use ix86_binary_operator_ok.
7995         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
7996         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
7997         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
7998         sse2_punpcklqdq): Allow operand2 in memory.
7999         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
8000         sse2_movsd): Add memory alternatives.
8001         (sse_storelps): Turn expander into an insn; split after reload.
8002         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
8003         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
8004
8005 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
8006
8007         * configure.ac (DWARF-2 debug_line): Use objdump.
8008         * configure: Regenerate.
8009
8010 2005-01-08  Jeff Law  <law@redhat.com>
8011             Diego Novillo  <dnovillo@redhat.com>
8012
8013         PR tree-optimization/18241
8014         * tree-nrv.c (tree_nrv): Ignore volatile return values.
8015         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
8016         statements with volatile operands.
8017         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
8018         operands after marking a statement with has_volatile_ops.
8019
8020 2005-01-08  Roger Sayle  <roger@eyesopen.com>
8021
8022         * tree.c (int_fits_type_p): Always honor integer constant
8023         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
8024
8025 2005-01-08  Roger Sayle  <roger@eyesopen.com>
8026
8027         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
8028         the latent bug in rtl_delete_block has been resolved.
8029
8030 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
8031
8032         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
8033         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
8034
8035 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
8036
8037         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
8038         library as @multilib_dir@/$(SHLIB_SONAME).
8039
8040 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
8041
8042         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
8043         * configure: Regenerate.
8044
8045 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
8046
8047         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
8048         TYPE_MODE.
8049
8050 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
8051
8052         PR target/13674
8053         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
8054         Convert non-word aligned offset address using ld/std into
8055         indirect address.
8056
8057 2005-01-07  Richard Henderson  <rth@redhat.com>
8058
8059         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
8060
8061 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
8062
8063         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
8064
8065 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
8066
8067         PR tree-optimization/19283
8068         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
8069         is not shorter than the original type.
8070
8071         PR rtl-optimization/19012
8072         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
8073
8074         PR rtl-optimization/18861
8075         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
8076         (FULL_STATE): Define.
8077         (mark_tablejump_edge): New function.
8078         (purge_dead_tablejump_edges): New function.
8079         (find_bb_boundaries): Use it.
8080
8081         PR tree-optimization/18828
8082         * builtins.c (expand_builtin_next_arg): Remove argument and all
8083         the argument checking.
8084         (expand_builtin): Adjust caller.
8085         (expand_builtin_va_start): Likewise.  Remove error for too many
8086         arguments.
8087         (fold_builtin_next_arg): Issue error for too many arguments.
8088         After checking arguments, replace them with magic arguments that
8089         prevent further checking of the args.
8090
8091 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8092
8093         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
8094
8095 2005-01-06  Roger Sayle  <roger@eyesopen.com>
8096
8097         PR target/6077
8098         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
8099         and %{.S:...} (and their negative variants) to test whether the
8100         input file is assembler or pre-processed-assembler independent of
8101         the actual filename extension.
8102
8103 2005-01-06  Roger Sayle  <roger@eyesopen.com>
8104
8105         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
8106         of sign or zero extended values.
8107
8108 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
8109
8110         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
8111         for IBM long double format correctly.
8112
8113 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
8114
8115         Fix PR tree-optimization/18792
8116
8117         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
8118         to first_loop_depth, and use loop depth instead of loop number.
8119         (build_classic_dir_vector): Ditto.
8120         (compute_data_dependences_for_loop): Use depth, not loop number.
8121         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
8122         number. Pass in loops, instead of loop numbers.
8123         (gather_interchange_stats): Ditto.
8124         (linear_transform_loops): Ditto.
8125
8126 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
8127
8128         PR rtl-opt/13299
8129         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
8130         biv_fits_mode_p, extension_within_bounds_p): New functions.
8131         (check_ext_dependent_givs): Use them.
8132
8133 2005-01-06  Roger Sayle  <roger@eyesopen.com>
8134
8135         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
8136         more than one barrier, in which case we should delete them all.
8137
8138 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
8139
8140         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
8141
8142 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
8143
8144         Fix PR middle-end/19286
8145         Fix PR debug/19267
8146         * dwarf2out.c (gen_subprogram_die): If we've already tried to
8147         output this subprogram, simply ignore this attempt to do it again.
8148         (add_abstract_origin_attribute): Don't abort trying to add the abstract
8149         origin attribute if it's not possible.
8150         (gen_block_die): Don't ignore subblocks of "unused" blocks.
8151         (decls_for_scope): Ditto.
8152         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
8153         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
8154
8155 2005-01-05  Richard Henderson  <rth@redhat.com>
8156
8157         PR target/11327
8158         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
8159         (bdesc_2arg): Use it.
8160         (ix86_expand_binop_builtin): Force operands into registers
8161         when optimizing.
8162         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
8163         ix86_expand_sse_compare, ix86_expand_sse_comi,
8164         ix86_expand_builtin): Likewise.
8165
8166 2005-01-05  Richard Henderson  <rth@redhat.com>
8167
8168         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
8169         and VEC_SELECT.
8170         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
8171         (mulv4hi3): Set itanium_class mmmul.
8172         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
8173         (fpack): Rename from fpack_sfsf.
8174
8175 2005-01-05  Richard Henderson  <rth@redhat.com>
8176
8177         PR rtl-opt/10692
8178         * reload1.c (do_input_reload): Restrict the optimization deleteing
8179         a previous output reload to RELOAD_FOR_INPUT.
8180
8181 2005-01-05  Steven Bosscher  <stevenb@suse.de>
8182
8183         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
8184         comment that we fall through after case.
8185         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
8186         (distribute_links): Likewise.
8187         * cse.c (cse_insn): Likewise.
8188         * cselib.c (cselib_invalidate_mem): Likewise.
8189         * df.c: Update comments at the top of the file.
8190         (read_modify_subreg_p): Update comments here too.
8191         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
8192         * flow.c (mark_set_1): Likewise.
8193         (mark_used_regs): Likewise.
8194         * gcse.c (mems_conflict_for_gcse_p): Likewise.
8195         (canon_list_insert): Likewise.
8196         (mark_set): Likewise.
8197         (try_replace_reg): Likewise.
8198         (store_killed_in_insn): Likewise.
8199         * loop.c (count_one_set): Likewise.
8200         (basic_induction_var): Likewise.
8201         * postreload-gcse.c (find_mem_conflicts): Likewise.
8202         * postreload.c (reload_combine_note_store): Likewise.
8203         (move2add_note_store): Likewise.
8204         * reload.c (find_equiv_reg): Likewise.
8205         (mark_referenced_resources): Likewise.
8206         * rtlanal.c (set_noop_p): Likewise.
8207         (note_stores): Likewise.
8208         (note_uses): Likewise.
8209         * sched-deps.c (sched_analyze_1): Likewise.
8210         * sched-rgn.c (check_live_1): Likewise.
8211         (update_live_1): Likewise.
8212         * config/i860/i860.c: Likewise.
8213
8214         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
8215         an lvalue.
8216         (ZERO_EXTRACT): Mention that this one can be an lvalue.
8217
8218         * doc/rtl.texi: Update documentation for bit-fields and SET.
8219
8220 2005-01-05  Roger Sayle  <roger@eyesopen.com>
8221
8222         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
8223
8224 2005-01-05  Jan Hubicka  <jh@suse.cz>
8225             Richard Henderson  <rth@redhat.com>
8226
8227         PR target/18910
8228         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
8229         with an offset.
8230
8231 2005-01-05  Richard Henderson  <rth@redhat.com>
8232
8233         PR target/12902
8234         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
8235         (sse_shufps): Change operand 3 to const_int_operand.
8236         (sse2_storelps): Fix typo in template.
8237         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
8238         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
8239         (ix86_expand_builtin): Likewise.
8240
8241 2005-01-05  Julian Brown  <julian@codesourcery.com>
8242
8243         * config/arm/arm.c (arm_return_in_memory): Treat complex types
8244         as aggregates for AAPCS ABIs.
8245
8246 2005-01-05  Stan Shebs  <shebs@apple.com>
8247
8248         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
8249         Mach-O getters if ppc64.
8250         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
8251         size argument.
8252         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
8253         signed four-byte field for global code case.
8254         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
8255
8256 2005-01-05  Roger Sayle  <roger@eyesopen.com>
8257
8258         PR middle-end/19100
8259         * c-common.c: Include real.h.
8260         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
8261         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
8262         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
8263         * Makefile.in (c-common.o): Update dependencies.
8264
8265 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
8266
8267         * c-parse.in (asm_string): Add trailing semicolon.
8268
8269 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
8270
8271         * c-parse.in (asm_string): New.  Don't allow wide strings in
8272         'asm'.
8273         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
8274         asm_string instead of STRING.
8275
8276 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
8277
8278         * c-typeck.c (constructor_no_implicit): Remove.
8279         (set_designator, process_init_element): Don't check
8280         constructor_no_implicit.
8281
8282 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
8283             Kaz Kojima  <kkojima@gcc.gnu.org>
8284
8285         PR target/16482
8286         * lcm.c (create_pre_exit): New.
8287         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
8288         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
8289
8290 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
8291
8292         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
8293         -msoft-float in target_float_switch.
8294         * arm.c (arm_override_options): Fix processing of target_float_switch.
8295
8296 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
8297
8298         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
8299         preferencing.
8300
8301 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
8302
8303         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
8304         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
8305
8306 2005-01-04  Roger Sayle  <roger@eyesopen.com>
8307
8308         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
8309         if deleting the then-block allows the test-block to fallthru to the
8310         else-block.
8311
8312 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
8313
8314         PR c/19152
8315         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
8316         after the full declaration if the are in two different TUs.
8317
8318 2005-01-04  Richard Henderson  <rth@redhat.com>
8319
8320         PR tree-opt/19158
8321         * tree-sra.c (generate_one_element_init): Just
8322         call gimplify_and_add.
8323         (generate_element_init): Record the
8324         new referenced variables and mark them for renaming
8325         and split out to ...
8326         (generate_element_init_1): This.
8327         (scalarize_init): Don't call push_gimplify_context/
8328         pop_gimplify_context.
8329
8330 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
8331
8332         * toplev.c (get_src_pwd): Handle failure of getpwd().
8333
8334 2005-01-04  Roger Sayle  <roger@eyesopen.com>
8335
8336         * fold-const.c (fold_single_bit_test): Delete unreachable handling
8337         of TRUTH_NOT_EXPR.
8338         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
8339         all the cases handled by it are inverted by invert_truthvalue.
8340
8341 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
8342
8343         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
8344         (save_register_windowsi): Likewise.
8345
8346 2005-01-04  Richard Henderson  <rth@redhat.com>
8347
8348         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
8349
8350 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
8351
8352         PR middle-end/17767
8353         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
8354         any simplifications of vector mode comparison operators.
8355         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
8356
8357 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
8358             Devang Patel  <dpatel@apple.com>
8359
8360         PR tree-optimization/18308
8361         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
8362         the operands before creating a new expression.
8363         * dojump.c (do_jump): Make drop_through_label available
8364         for all cases.  Add expansion of COND_EXPR.
8365
8366 2005-01-04  Ira Rosen  <irar@il.ibm.com>
8367
8368         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
8369         INTEGER_CST instead of TREE_CONSTANT.
8370         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
8371         instead of TREE_CONSTANT.
8372         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
8373         instead of TREE_CONSTANT.
8374
8375 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
8376
8377         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
8378
8379 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
8380
8381         PR target/19240
8382         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
8383         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
8384
8385 2005-01-03  Richard Henderson  <rth@redhat.com>
8386
8387         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
8388         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
8389         fold_convert_const_real_from_real): Split out from ...
8390         (fold_convert_const): ... here.
8391
8392 2005-01-03  Richard Henderson  <rth@redhat.com>
8393
8394         PR target/19235
8395         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
8396         (mov<MMXMODEI>_internal): Likewise.
8397         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
8398         Add V2SF case; use it for SSE1; don't use TI.
8399         (movdf_integer): Likewise.
8400         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
8401
8402 2005-01-03  Ira Rosen  <irar@il.ibm.com>
8403
8404         * tree-vectorizer.c (vect_strip_conversions): New function.
8405         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
8406         check for binary class.
8407
8408 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
8409
8410         Fix PR debug/17924
8411         Fix PR debug/19191
8412         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
8413         is a decl.
8414         * gimple-low.c (mark_blocks_with_used_vars): New function.
8415         (mark_blocks_with_used_subblocks): Ditto.
8416         (mark_used_blocks): Ditto.
8417         (pass_mark_used_blocks): New pass.
8418         * tree-inline.c: Include debug.h.
8419         (expand_call_inline): Call outlining_inline_function here.
8420         * tree-optimize.c (init_tree_optimization_passes): Add
8421         pass_mark_used_blocks.
8422         * tree-pass.h (pass_mark_used_blocks): New.
8423         * Makefile.in (tree-inline.o): Add debug.h dependency.
8424
8425 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
8426
8427         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
8428         VAR_DECLs to have weak_import attribute.
8429
8430         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
8431         'struct ucontext'.
8432
8433 2004-01-03  Steven Bosscher  <stevenb@suse.de>
8434
8435         * passes.c (rest_of_compilation): Don't run regmove if only
8436         flag_expensive_optimizations, require flag_regmove instead.
8437
8438 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
8439
8440         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
8441         register "sparc".
8442         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
8443         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
8444         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
8445         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
8446
8447 2005-01-03  Richard Henderson  <rth@redhat.com>
8448
8449         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
8450         (ia64_const_ok_for_letter_p): New.
8451         (ia64_const_double_ok_for_letter_p): New.
8452         (ia64_extra_constraint): New.
8453         (ia64_expand_vecint_compare): New.
8454         (ia64_expand_vcondu_v2si): New.
8455         (ia64_expand_vecint_cmov): New.
8456         (ia64_expand_vecint_minmax): New.
8457         (ia64_print_operand): Add 'v'.
8458         (ia64_preferred_reload_class): New.
8459         (ia64_vector_mode_supported_p): New.
8460         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
8461         (PREFERRED_RELOAD_CLASS): Move to function.
8462         (CONST_OK_FOR_LETTER_P): Move to function.
8463         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
8464         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
8465         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
8466         (EXTRA_CONSTRAINT): Move to function.
8467         * config/ia64/ia64.md: Include vect.md.
8468         (itanium_class): Add mmalua.
8469         (type): Handle it.
8470         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
8471         (1b_mmalua): New.
8472         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
8473         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
8474         CONST0_RTX.
8475         (const_int_2bit_operand): New.
8476         (fr_reg_or_0_operand): New.
8477         * config/ia64/ia64-modes.def: Add vector modes.
8478         * config/ia64/ia64-protos.h: Update.
8479         * config/ia64/vect.md: New file.
8480
8481 2005-01-03  Richard Henderson  <rth@redhat.com>
8482
8483         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
8484
8485 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
8486
8487         PR target/19236
8488         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
8489         to SFmode.
8490         (log1pdf2): Change mode of operands[0,1] to DFmode.
8491
8492 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
8493
8494         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
8495         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
8496         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
8497         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
8498         SPARC_RELAXED_ORDERING.
8499
8500 2005-01-03  Richard Henderson  <rth@redhat.com>
8501             Uros Bizjak  <uros@kss-loka.si>
8502
8503         PR target/14631
8504         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
8505         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
8506         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
8507         handling.
8508         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
8509         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
8510         const_pow2_1_to_128_operand): New predicates.
8511
8512 2005-01-02  Greg McGary  <greg@mcgary.org>
8513
8514         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
8515         anonymous decls.
8516         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
8517         object.  [ptr_type]: Remove unused variable.
8518         Remember nearest addressable array-element or record-component
8519         when checking bitfield components.  Tolerate empty BIND_EXPR.
8520
8521 2005-01-01  Richard Henderson  <rth@redhat.com>
8522
8523         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
8524         that don't narrow the value.  Fail for other conversions.
8525
8526 2005-01-01  Richard Henderson  <rth@redhat.com>
8527
8528         PR c/19031
8529         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
8530         * c-lang.c (finish_file): Don't do it here.
8531         * objc/objc-act.c (objc_finish_file): Likewise.
8532
8533         * cgraph.c (decl_assembler_name_equal): New.
8534         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
8535         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
8536         * cgraph.h (struct cgraph_varpool_node): Add next.
8537         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
8538         * varasm.c (assemble_alias): Mark the target as needed.
8539
8540 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
8541
8542         PR middle-end/19221
8543         * function.c (get_arg_pointer_save_area): Use entry_of_function
8544         instead of get_insns.
8545
8546 2005-01-01  Roger Sayle  <roger@eyesopen.com>
8547             Andrew Pinski  <pinskia@physics.uc.edu>
8548             James E. Wilson  <wilson@specifixinc.com>
8549
8550         PR rtl-optimization/12092
8551         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
8552         is zero.
8553
8554 2005-01-01  Roger Sayle  <roger@eyesopen.com>
8555             Olivier Hainque  <hainque@act-europe.fr>
8556
8557         * tree.c (int_fits_type_p): A narrower type always fits in a
8558         wider one, except for negative values into unsigned types.
8559
8560 2005-01-01  Roger Sayle  <roger@eyesopen.com>
8561
8562         * tree.c (int_fits_type_p): Compare the result of force_fit_type
8563         with the original constant rather than require TREE_OVERFLOW.
8564
8565 2005-01-01  Steven Bosscher  <stevenb@suse.de>
8566
8567         PR middle-end/17544
8568         * c-decl.c (finish_function): If compiling C99, annotate the
8569         compiler generated return with the current file name and line 0.
8570         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
8571         the source line is greater than 0.
8572         (remove_bb): Likewise.
8573
8574 See ChangeLog.12 for earlier changes.