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