1 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
6 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
8 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
9 be a PARALLEL containing sets. Return false when out_pat is not
12 2006-10-30 Richard Sandiford <richard@codesourcery.com>
14 * config/mips/mips.md (mul<mode>3): Split into...
15 (mulsi3, muldi3): ...these separate patterns.
17 2006-10-30 Richard Sandiford <richard@codesourcery.com>
19 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
20 but with each set of options separated by spaces.
22 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
24 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
25 dwarf_reg_size_table has been initialized.
27 2006-10-30 Roger Sayle <roger@eyesopen.com>
29 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
30 * ddg.c (print_ddg_edge): Likewise.
31 * dwarf2out.c (prune_unused_types_walk): Likewise.
32 * ifcvt.c (noce_try_cmove_arith): Likewise.
33 * langhooks.c (add_builtin_function): Likewise.
34 * reg-stack.c (subst_stack_regs_pat): Likewise.
35 * tree.c (expanded_location): Likewise.
36 * tree-dump.c (dequeue_and_dump): Likewise.
38 2006-10-30 David Daney <ddaney@avtrex.com>
40 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
42 2006-10-30 Jakub Jelinek <jakub@redhat.com>
44 PR tree-optimization/29637
45 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
46 of the innertype is the innertype itself.
48 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
50 * dwarf2out.c (file_name_acquire): Correct typo.
52 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
54 * tree.h (tree_value_handle): Remove struct value_set declaration.
55 Change value_set to bitmap_set.
56 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
57 * tree-vn.c (get_value_handle): Made inline and moved to
59 * tree-flow-inline.h: (has_stmt_ann): New function.
60 * tree-ssa-pre.c (expressions): New variable.
61 (next_expression_id): Ditto.
62 (alloc_expression_id): New function.
63 (struct value_set): Remove.
64 (get_expression_id): New function.
65 (get_or_alloc_expression_id): Ditto.
66 (expression_for_id): Ditto.
67 (clear_expression_ids): Ditto.
68 (FOR_EACH_EXPR_ID_IN_SET): New macro.
69 (bb_value_sets): Renamed to bb_bitmap_sets.
70 All value sets replaced with bitmap_sets.
72 (BB_VISITED): New macro.
73 (postorder): New variable.
74 (add_to_value): Removed.
75 (value_exists_in_set_bitmap): Ditto.
76 (value_insert_into_set_bitmap): Ditto.
80 (set_contains_value): Ditto.
81 (insert_into_set): Ditto.
84 (bitmap_set_subtract_from_value_set): Ditto.
85 (value_insert_into_set): Ditto.
86 (print_value_set): Ditto.
87 (debug_value_set): Ditto.
88 (constant_expr_p): New function.
89 (bitmap_remove_from_set): Ditto.
90 (bitmap_insert_into_set): Ditto.
91 (bitmap_set_free): Ditto.
93 (sorted_array_from_bitmap_set): Ditto.
94 (bitmap_set_subtract): Ditto.
95 (bitmap_set_equal): Ditto.
96 (debug_bitmap_set): Ditto.
97 (find_leader_in_sets): Ditto.
98 (bitmap_set_replace_value): Modify for bitmapped sets.
99 (phi_translate): Ditto.
100 (phi_translate_set): Ditto.
101 (bitmap_find_leader): Ditto.
102 (valid_in_sets): Ditto.
103 (union_contains_value): Ditto.
105 (compute_antic_aux): Ditto. Mark changed blocks.
106 (compute_antic): Ditto. Iterate in postorder and only over
108 (compute_rvuse_and_antic_safe): Reuse postorder.
109 (create_component_ref_by_pieces): Modify for bitmapped sets.
110 (find_or_generate_expression): Ditto.
111 (create_expression_by_pieces): Ditto.
112 (insert_into_preds_of_block): Ditto.
113 (changed_blocks): New variable.
114 (do_regular_insertion): Broken out from insert_aux.
115 (insert_aux): Modified for bitmapped sets.
116 (find_existing_value_expr): New function.
117 (create_value_expr_from): Use it.
118 (insert_extra_phis): Removed.
119 (print_bitmap_set): Renamed from bitmap_print_value_set.
120 (compute_avail): Handle RETURN_EXPR.
121 (init_pre): Modify for bitmapped sets.
122 * tree-flow.h (has_stmt_ann): New function.
124 2006-10-29 Roger Sayle <roger@eyesopen.com>
126 * builtins.c (fold_builtin_floor): Check for the availability of
127 the C99 trunc function before transforming floor into trunc.
129 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
131 * builtins.c (fold_builtin_hypot): Rearrange recursive
132 transformation before others, and also do ABS_EXPR. When
133 necessary, check flag_unsafe_math_optimizations. When necessary,
136 2006-10-29 Roger Sayle <roger@eyesopen.com>
138 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
139 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
140 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
141 Fold -X eq/ne -Y as X eq/ne Y.
143 2006-10-29 Richard Sandiford <richard@codesourcery.com>
145 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
146 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
147 rather than GENERATE_MULT3_SI in the various define_peephole2s.
148 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
149 Use an inclusive test for "mult" rather than "mul".
150 (rotr<mode>3): Depend on ISA_HAS_ROR.
151 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
153 (GENERATE_MULT3_DI): Delete.
154 (ISA_HAS_64BIT_REGS): Use consistent formatting.
155 (ISA_HAS_MUL3): New macro.
156 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
157 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
158 (ISA_HAS_CLZ_CLO): Likewise.
159 (ISA_HAS_DCLZ_DCLO): Delete.
160 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
161 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
162 the VR4120 and VR4130.
163 (ISA_HAS_MACCHI): Use consistent formatting.
164 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
165 (ISA_HAS_ROR): ...this new macro.
166 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
167 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
168 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
170 2006-10-29 Roger Sayle <roger@eyesopen.com>
172 PR tree-optimization/15458
173 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
176 2006-10-29 Richard Guenther <rguenther@suse.de>
178 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
179 (ix86_expand_truncdf_32): Likewise.
180 * config/i386/i386.c (ix86_expand_trunc): New function expanding
181 trunc inline for SSE math and -fno-trapping-math and if not
183 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
184 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
185 for expanding btrunc inline for SSE math.
187 2006-10-29 Joseph Myers <joseph@codesourcery.com>
189 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
190 Handle tuning for bi-arch i[34567]86-*-linux* like that for
191 i[34567]86-*-solaris2.1[0-9]*.
192 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
193 Define conditionally depending on TARGET_64BIT_DEFAULT.
194 (SPEC_32, SPEC_64): Define.
195 (LINK_SPEC): Use them.
196 * doc/install.texi (--enable-targets=all): Document for x86-linux.
198 2006-10-29 Richard Guenther <rguenther@suse.de>
200 * config/i386/i386-protos.h (ix86_expand_round): Declare.
201 (ix86_expand_rounddf_32): Likewise.
202 * config/i386/i386.c (ix86_expand_round): New function expanding
203 round inline for SSE math and -fno-trapping-math and if not
205 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
206 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
207 round via ix86_expand_round.
209 2006-10-29 Richard Guenther <rguenther@suse.de>
211 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
212 (ix86_expand_floorceildf_32): Likewise.
213 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
214 static helper function.
215 (ix86_expand_floorceil): Expander for floor and ceil to SSE
217 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
218 * config/i386/i386.md (floordf2): Adjust to enable floor
219 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
220 -fno-trapping-math is enabled and if not optimizing for size.
221 (floorsf2, ceildf2, ceilsf2): Likewise.
222 * config/i386/sse.md (sse_maskcmpsf3): New insn.
223 (sse2_maskcmpdf3): Likewise.
225 2006-10-29 Richard Guenther <rguenther@suse.de>
227 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
228 rint in case -fno-trapping-math is enabled.
229 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
230 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
231 (ix86_expand_sse_fabs): Likewise.
232 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
233 * config/i386/i386.md (rintdf2): Enable for SSE math if
234 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
237 2006-10-29 Richard Guenther <rguenther@suse.de>
239 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
240 to conversion optabs.
241 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
243 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
244 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
245 (lfloor_optab, lceil_optab): Adjust defines.
246 * builtins.c (expand_builtin_int_roundingfn): Adjust for
247 lfloor and lceil optabs now being conversion optabs.
248 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
249 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
250 New static helper function.
251 (ix86_expand_lfloorceil): New function to expand lfloor and
253 * config/i386/i386.md (lfloor<mode>2): Split into ...
254 (lfloorxf<mode>2): ... x87 variant
255 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
256 using ix86_expand_lfloorceil.
257 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
259 * doc/md.texi (lfloorMN, lceilMN): Document.
261 2006-10-29 Richard Sandiford <richard@codesourcery.com>
263 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
264 -mno-shared assembler option on mips targets.
265 * configure, config.in: Regenerate.
266 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
267 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
268 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
270 2006-10-29 Richard Sandiford <richard@codesourcery.com>
272 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
273 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
275 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
277 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
278 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
281 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
284 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
285 (fold_builtin_pow): Evaluate constant arguments at compile-time
287 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
288 (do_mpfr_ckconv): New helper function.
289 (do_mpfr_arg1): Use do_mpfr_ckconv.
292 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
295 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
296 (-fdump-rtl-sched): Rename to ..
297 (-fdump-rtl-sched1): here. Also fix file extension number.
299 2006-10-28 Richard Guenther <rguenther@suse.de>
301 * fold-const.c (maybe_canonicalize_comparison): Fix code
304 2006-10-28 Uros Bizjak <uros@kss-loka.si>
306 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
307 (NON_QI_REG_P): Use IN_RANGE.
308 (REX_INT_REGNO_P): Use IN_RANGE.
309 (FP_REGNO_P): Use IN_RANGE.
310 (SSE_REGNO_P): Use IN_RANGE.
311 (REX_SSE_REGNO_P): Use IN_RANGE.
312 (MMX_REGNO_P): Use IN_RANGE.
313 (STACK_REGNO_P): New macro.
314 (STACK_REG_P): Use STACK_REGNO_P.
315 (NON_STACK_REG_P): Use STACK_REGNO_P.
316 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
317 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
318 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
319 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
320 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
322 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
324 * except.h (output_function_exception_table): Add 'const char*' param.
325 * except.c (switch_to_exception_section): Add 'const char*' param.
326 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
327 and flag_function_sections is set, use a function-specific section.
328 (output_function_exception_table): Add 'const char*' param.
329 Adjust call to switch_to_exception_section.
330 * final.c (rest_of_handle_final): Adjust calls to
331 output_function_exception_table.
332 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
333 * config.in: Regenerate.
334 * configure: Likewise.
336 2006-10-28 Richard Guenther <rguenther@suse.de>
339 * fold-const.c (maybe_canonicalize_comparison_1): Helper
340 for maybe_canonicalize_comparison.
341 (maybe_canonicalize_comparison): New function for canonicalizing
343 (fold_comparison): Call it to canonicalize comparisons with
346 2006-10-28 Richard Guenther <rguenther@suse.de>
349 * builtins.c (expand_builtin_int_roundingfn_2): Expand
350 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
351 (expand_builtin): Adjust likewise.
352 * genopinit.c (optabs[]): Add lround optab.
353 * optabs.c (init_optabs): Initialize lround_optab.
354 * optabs.h (enum convert_optab_index): Add COI_lround.
355 (lround_optab): Define.
356 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
357 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
359 (ix86_expand_lround): New function.
360 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
362 * doc/md.texi (lroundMN2): Document.
364 2006-10-28 Uros Bizjak <uros@kss-loka.si>
367 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
368 argument to HOST_WIDE_INT. Update function prototype.
369 (round_frame_size): Change return type to HOST_WIDE_INT. Change
370 "size" argument to HOST_WIDE_INT. Update function prototype.
372 2006-10-28 Uros Bizjak <uros@kss-loka.si>
374 * config/i386/i386.c (output_387_ffreep): Create output from a
375 template string for !HAVE_AS_IX86_FFREEP.
377 2006-10-27 Eric Christopher <echristo@apple.com>
379 * config/darwin.c: Fix formatting and grammar.
381 2006-10-27 Jan Hubicka <jh@suse.cz>
383 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
384 to be thrown away soon when IGNORE is set.
385 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
386 indicating when return value shall not be computed.
387 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
389 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
391 * config/i386/i386.h (TARGET_GEODE):
392 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
393 (TARGET_CPU_DEFAULT_geode): New macro.
394 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
395 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
396 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
397 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
398 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
400 (TARGET_CPU_DEFAULT_NAMES): Add geode.
401 (processor_type): Add PROCESSOR_GEODE.
403 * config/i386/i386.md: Include geode.md.
406 * config/i386/i386.c (geode_cost): New initialized global
408 (m_GEODE, m_K6_GEODE): New macros.
409 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
410 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
411 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
412 x86_schedule): Use m_K6_GEODE instead of m_K6.
413 (x86_movx, x86_cmove): Set up m_GEODE.
414 (x86_integer_DFmode_moves): Clear m_GEODE.
415 (processor_target_table): Add entry for geode.
416 (processor_alias_table): Ditto.
418 * config/i386/geode.md: New file.
420 * doc/invoke.texi: Add entry about geode processor.
422 2006-10-27 Mike Stump <mrs@apple.com>
424 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
425 __DYNAMIC__ from here back to ...
426 * config/darwin.h (CPP_SPEC): ... here.
428 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
429 Nathan Sidwell <nathan@codesourcery.com>
431 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
432 when choosing the minimum heapsize.
434 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
436 * gcc/unwind-dw2.h: Move cfa-related variables into
437 struct frame_state_reg_info to ensure that the CFA is properly
438 handled when executing DW_CFA_{remember,restore}_state.
439 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
440 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
441 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
442 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
443 gcc/config/rs6000/linux-unwind.h,
444 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
445 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
446 Modify to use new cfa_* fields.
448 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
450 * config/s390/s390.c (s390_init_frame_layout): Check positive
453 2006-10-26 Ben Elliston <bje@au.ibm.com>
455 * gimplify.c (get_name): Remove extraneous break.
456 (gimplify_omp_for): Initialise ret with GS_OK.
458 2006-10-25 Steve Ellcey <sje@cup.hp.com>
460 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
461 Add unix98.o to link line.
463 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
466 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
467 Calculate compile-time constants using MPFR.
468 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
469 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
471 2006-10-25 Bob Wilson <bob.wilson@acm.org>
473 * config/xtensa/lib2funcs.S: Use C-style comments.
475 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
477 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
478 (file_table_relative_p): Likewise.
479 (dwarf2out_finish): Likewise.
480 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
482 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
484 * tree-ssa-structalias.c (intra_create_variable_infos):
485 Don't recreate nonlocal_all if it already exists.
487 2006-10-25 Richard Guenther <rguenther@suse.de>
490 * optabs.h (enum optab_index): Remove OTI_lrint.
491 (enum convert_optab_index): Add COI_lrint.
492 (lrint_optab): Adjust.
493 (expand_sfix_optab): Declare.
494 * optabs.c (expand_sfix_optab): New function.
495 (init_optabs): Init lrint_optab as conversion optab.
496 * genopinit.c (lrint_optab): Change to a conversion optab.
497 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
498 expansion via conversion optab.
499 * config/i386/i386.md (*fistdi2_1): Remove
500 flag_unsafe_math_optimizations guard.
501 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
502 fist<mode>2_with_temp): Likewise.
503 (lrint<mode>2): Split into...
504 (lrintxf<mode>2): ... x87 part
505 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
506 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
507 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
508 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
509 * doc/md.texi (lrintMN2): Document.
511 2006-10-25 Uros Bizjak <uros@kss-loka.si>
514 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
515 Use inc and dec instructions for TARGET_USE_INCDEC.
516 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
517 ("sync_double_compare_and_swap<mode>"): Likewise.
518 ("*sync_double_compare_and_swapdi_pic"): Likewise.
519 ("*sync_compare_and_swap_cc<mode>"): Likewise.
520 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
521 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
522 ("sync_old_add<mode>"): Likewise.
523 ("sync_lock_test_and_set<mode>"): Likewise.
524 ("sync_lock_test_and_set<mode>"): Likewise.
525 ("sync_add<mode>"): Likewise.
526 ("sync_sub<mode>"): Likewise.
527 ("sync_ior<mode>"): Likewise.
528 ("sync_and<mode>"): Likewise.
529 ("sync_xor<mode>"): Likewise.
531 2006-10-25 Uros Bizjak <uros@kss-loka.si>
533 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
534 (remainder_optab): Define corresponding macro.
535 (drem_optab): Remove.
536 * optabs.c (init_optabs): Initialize remainder_optab. Remove
537 drem_optab initialization.
538 * genopinit.c (optabs): Implement remainder_optab using
539 remainder?f3 patterns. Remove drem_optab.
540 * builtins.c (expand_builtin_mathfn_2): Handle
541 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
542 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
543 expand_builtin_mathfn_2.
545 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
546 depend on flag_unsafe_math_optimizations.
548 * config/i386/i386.md ("remaindersf3", "remainderdf3")
549 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
550 Do not depend on flag_unsafe_math_optimizations. Use
551 truncxf?f expander instead of truncxf?f_i387_noop.
553 ("fpremxf4", "fprem1xf4"): Do not depend on
554 flag_unsafe_math_optimizations.
555 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
556 flag_unsafe_math_optimizations. Use truncxf?f expander
557 instead of truncxf?f_i387_noop.
559 * doc/md.texi (fmod, remainder): Document standard named pattern.
561 2006-10-24 Richard Sandiford <richard@codesourcery.com>
562 David Daney <ddaney@avtrex.com>
565 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
567 2006-10-25 Ben Elliston <bje@au.ibm.com>
569 * doc/extend.texi (Variable Attributes): Typo fix.
571 2006-10-24 Uros Bizjak <uros@kss-loka.si>
573 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
574 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
575 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
576 (FRAME_POINTER_REGNUM): Update register number to 21.
577 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
578 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
580 * config/i386/i386.c (regclass_map): Add fpcr entry.
581 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
583 (print_reg): Assert REGNO (x) != FPCR_REG.
585 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
586 (DIRFLAG_REG): Renumber.
587 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
588 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
589 (sse_prologue_save, *sse_prologue_save_insn): Renumber
590 hardcoded SSE register numbers.
592 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
593 hardcoded MMX register numbers.
595 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
598 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
599 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
601 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
602 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
603 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
604 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
606 2006-10-24 Richard Guenther <rguenther@suse.de>
609 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
610 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
611 for deciding optimizations in consistency with fold-const.c
612 (fold_builtin_unordered_cmp): Likewise.
614 2006-10-24 Richard Guenther <rguenther@suse.de>
616 * builtins.c (fold_builtin_floor): Fold floor (x) where
617 x is nonnegative to trunc (x).
618 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
619 nonnegative to FIX_TRUNC_EXPR.
621 2006-10-24 Richard Guenther <rguenther@suse.de>
623 PR tree-optimization/29567
624 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
625 for TRUTH_NOT_EXPR. Clarify comments.
627 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
630 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
631 at compile-time using MPFR. Change parameter VALUE to FUNC,
633 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
634 for overflow and underflow at all times and avoid folding in
637 2006-10-24 Ben Elliston <bje@au.ibm.com>
639 * reload1.c: Formatting fixes.
641 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
643 PR tree-optimization/14784
644 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
645 * tree-ssa-structalias.c (get_constraint_for,
646 intra_create_variable_infos): Set is_heapvar.
647 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
648 non-heapvar pointer variables specially.
650 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
653 * builtins.c (fold_builtin_sin, fold_builtin_cos,
654 fold_builtin_tan): Fold all constant arguments. Take a "type"
655 argument as necessary.
657 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
659 2006-10-23 Bob Wilson <bob.wilson@acm.org>
661 * config/xtensa/lib1funcs.asm: Use C-style comments.
663 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
665 * tree.c (local_define_builtin): Replace calls to
666 lang_hooks.builtin_function with add_builtin_function.
667 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
669 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
671 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
672 common code to add_builtin_function.
673 * langhooks.c (add_builtin_function): New function.
674 (lhd_builtin_function): New function.
675 * langhooks.h (struct lang_hooks): Change the signature of
677 (add_builtin_function): New function.
678 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
679 calls to lang_hooks.builtin_function with add_builtin_function.
680 * c-common.c (decl_builtin_1): Replace calls to
681 lang_hooks.builtin_function with add_builtin_function.
682 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
683 lang_hooks.builtin_function with add_builtin_function.
684 * config/frv/frv.c (def_builtin): Replace calls to
685 lang_hooks.builtin_function with add_builtin_function.
686 * config/s390/s390.c (s390_init_builtins): Replace calls to
687 lang_hooks.builtin_function with add_builtin_function.
688 * config/sparc/sparc.c (def_builtin): Replace calls to
689 lang_hooks.builtin_function with add_builtin_function.
690 * config/i386/i386.c (def_builtin): Replace calls to
691 lang_hooks.builtin_function with add_builtin_function.
692 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
693 lang_hooks.builtin_function with add_builtin_function.
694 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
695 lang_hooks.builtin_function with add_builtin_function.
696 * config/stormy16/stormy16.c (xstormy16_init_builtins):
697 Replace calls to lang_hooks.builtin_function with
698 add_builtin_function.
699 * config/iq2000/iq2000.c (def_builtin):
700 Replace calls to lang_hooks.builtin_function with
701 add_builtin_function.
702 * config/ia64/ia64.c (def_builtin): Replace calls to
703 lang_hooks.builtin_function with add_builtin_function.
704 * config/rs6000/rs6000.c (def_builtin): Replace calls to
705 lang_hooks.builtin_function with add_builtin_function.
706 (altivec_init_builtins): Replace calls to
707 lang_hooks.builtin_function with add_builtin_function.
708 * config/arm/arm.c (def_mbuiltin): Replace calls to
709 lang_hooks.builtin_function with add_builtin_function.
710 (arm_init_tls_builtins): Replace calls to
711 lang_hooks.builtin_function with add_builtin_function.
712 * config/mips/mips.c (mips_init_builtins): Replace calls to
713 lang_hooks.builtin_function with add_builtin_function.
714 * config/bfin/bfin.c (def_builtin): Replace calls to
715 lang_hooks.builtin_function with add_builtin_function.
716 * langhooks-def.h (lhd_builtin_function): New function.
717 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
719 2006-10-23 Jakub Jelinek <jakub@redhat.com>
721 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
722 BUILT_IN_STRNCAT_CHK.
724 2006-10-23 Jan Hubicka <jh@suse.cz>
726 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
727 don't do conversion from memmove to memcpy here.
728 (expand_builtin_bcopy, expand_builtin): Update call of
729 expand_builtin_memmove.
730 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
732 2006-10-23 Paul Brook <paul@codesourcery.com>
734 * stor-layout.c (start_record_layout): maximum_field_alignment
735 overrides STRUCTURE_SIZE_BOUNDARY.
737 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
739 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
740 nonlocal function symbols if flag_pic.
742 2006-10-23 Richard Guenther <rguenther@suse.de>
746 * builtins.c (fold_binary): Remove checks for flag_wrapv
747 and flag_trapv where negate_expr_p covers these cases.
749 2006-10-23 Richard Guenther <rguenther@suse.de>
752 * fold-const.c (fold_plusminus_mult_expr): Check exact power
753 of two on the absolute value.
754 (fold_binary): Fold x * -C to -x * C if x is easily negatable
755 and negating -C does not overflow.
757 2006-10-23 Richard Guenther <rguenther@suse.de>
760 * convert.c (convert_to_real): Fold (float)-x to -(float)x
761 only if not flag_rounding_math.
763 2006-10-22 Richard Sandiford <richard@codesourcery.com>
764 Kaz Kojima <kkojima@gcc.gnu.org>
767 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
768 SImode memory reference for the source of a movua.
769 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
770 (movua): Use an unspec instead of sign_extract. Expect the source
771 to have mode BLKmode.
772 (extv, insv): Use a BLKmode rather than SImode memory reference
773 for the source of a movua.
775 2006-10-22 Jeff Law <law@redhat.com>
776 Richard Guenther <rguenther@suse.de>
778 PR tree-optimization/15911
779 * tree-vrp.c (extract_code_and_val_from_cond): New function.
780 (register_edge_assert_for_1): Likewise.
781 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
782 (find_conditional_asserts): Adjust for new function signature.
783 (find_assert_locations): Likewise.
785 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
787 * config/i386/tmmintrin.h: Remove the duplicated content.
789 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
791 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
792 (x86_64-*-*): Likewise.
794 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
795 (override_options): Check SSSE3.
796 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
797 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
798 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
799 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
800 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
801 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
802 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
803 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
804 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
805 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
806 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
807 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
808 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
809 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
810 IX86_BUILTIN_PABSD128.
811 (bdesc_2arg): Add SSSE3.
812 (bdesc_1arg): Likewise.
813 (ix86_init_mmx_sse_builtins): Support SSSE3.
814 (ix86_expand_builtin): Likewise.
815 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
817 * config/i386/i386.md (UNSPEC_PSHUFB): New.
818 (UNSPEC_PSIGN): Likewise.
819 (UNSPEC_PALIGNR): Likewise.
820 Include mmx.md before sse.md.
822 * config/i386/i386.opt: Add -mssse3.
824 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
825 (ssse3_phaddwv4hi3): Likewise.
826 (ssse3_phadddv4si3): Likewise.
827 (ssse3_phadddv2si3): Likewise.
828 (ssse3_phaddswv8hi3): Likewise.
829 (ssse3_phaddswv4hi3): Likewise.
830 (ssse3_phsubwv8hi3): Likewise.
831 (ssse3_phsubwv4hi3): Likewise.
832 (ssse3_phsubdv4si3): Likewise.
833 (ssse3_phsubdv2si3): Likewise.
834 (ssse3_phsubswv8hi3): Likewise.
835 (ssse3_phsubswv4hi3): Likewise.
836 (ssse3_pmaddubswv8hi3): Likewise.
837 (ssse3_pmaddubswv4hi3): Likewise.
838 (ssse3_pmulhrswv8hi3): Likewise.
839 (ssse3_pmulhrswv4hi3): Likewise.
840 (ssse3_pshufbv16qi3): Likewise.
841 (ssse3_pshufbv8qi3): Likewise.
842 (ssse3_psign<mode>3): Likewise.
843 (ssse3_psign<mode>3): Likewise.
844 (ssse3_palignrti): Likewise.
845 (ssse3_palignrdi): Likewise.
846 (abs<mode>2): Likewise.
847 (abs<mode>2): Likewise.
849 * config/i386/tmmintrin.h: New file.
851 * doc/extend.texi: Document SSSE3 built-in functions.
853 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
855 2006-10-22 Ira Rosen <irar@il.ibm.com>
857 * tree-vect-transform.c (vectorizable_load): Use the type of the
858 return value of the mask_for_load builtin to create realign_load
861 2006-10-22 Richard Sandiford <richard@codesourcery.com>
863 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
866 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
868 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
869 (UNSPEC_LDDQU): This.
870 * config/i386/sse.md (sse3_lddqu): Updated.
872 2006-10-21 Richard Guenther <rguenther@suse.de>
874 * builtins.c (expand_builtin_int_roundingfn_2): New function.
875 (expand_builtin): Use it to expand lrint instead of
876 expand_builtin_mathfn.
878 2006-10-21 Uros Bizjak <uros@kss-loka.si>
881 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
882 flag_unsafe_math_optimizations is set.
884 2006-10-21 Uros Bizjak <uros@kss-loka.si>
887 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
888 patterns to use memory input operand in x87->mem->XMM
889 reload sequences. Skip transformation for TARGET_K8.
891 2006-10-21 Uros Bizjak <uros@kss-loka.si>
893 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
894 force operand1 to register if both operands are memory operands.
895 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
896 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
897 if both operands are memory operands.
898 (truncdfsf2): Do not force operand1 to register if both operands
901 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
903 * Makefile.in (LIBS): Add $(GMPLIBS).
904 * doc/install.texi: Update GMP and MPFR requirements.
905 * doc/sourcebuild.texi (need_gmp): Delete.
907 2006-10-21 Richard Guenther <rguenther@suse.de>
909 PR tree-optimization/3511
910 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
911 got new invariant arguments during PHI translation.
913 2006-10-21 Richard Guenther <rguenther@suse.de>
916 * fold-const.c (fold_comparison): Fold signed comparisons
917 of the form X +- C1 CMP Y +- C2.
919 2006-10-21 Richard Guenther <rguenther@suse.de>
922 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
923 if flag_unsafe_math_optimizations is specified. We have
924 flag_finite_math_only for that.
925 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
926 or flag_unsafe_math_optimizations.
928 2006-10-21 Richard Guenther <rguenther@suse.de>
930 * builtins.c (fold_builtin_classify): Fix typo.
932 2006-10-21 Richard Guenther <rguenther@suse.de>
935 * simplify-rtx.c (simplify_const_relational_operation):
936 Do not constant-fold ORDERED and UNORDERED for
937 flag_unsafe_math_optimizations but only we do not need to
938 honor NaNs for the given mode.
940 2006-10-21 Richard Guenther <rguenther@suse.de>
943 * config/i386/i386.c (classify_argument): Remove redundant
944 walking of the BINFOs.
945 (contains_128bit_aligned_vector_p): Likewise.
947 2006-10-20 Mark Mitchell <mark@codesourcery.com>
949 * BASE-VER: Set to 4.3.0.
951 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
953 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
954 (tree_decl_with_vis): Remove artificial_pta_var flag.
955 * tree-flow.h (referenced_var_check_and_insert): Expose.
956 (nonlocal_all): New prototype.
957 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
958 (nonlocal_all): Make global.
959 (nonlocal_lookup): Remove.
960 (nonlocal_insert): Ditto.
961 (create_nonlocal_var): Do not call nonlocal_insert.
962 (get_nonlocal_id_for_type): Remove.
963 (find_global_initializers): Mark new vars we find for renaming.
964 (intra_create_variable_infos): Only create one nonlocal.
965 (expand_nonlocal_solutions): Remove.
966 (compute_points_to_sets): Don't call it.
967 (ipa_pta_execute): Ditto.
968 (init_alias_heapvars): Don't create nonlocal_for_type.
969 (delete_alias_heapvars): Don't remove it.
970 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
973 2006-10-19 Brooks Moses <bmoses@stanford.edu>
975 * doc/install.texi (Downloading GCC): Clarify mention of
976 Fortran in the "full distribution" description.
978 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
980 Fix PR tree-optimization/28778
981 Fix PR tree-optimization/29156
982 Fix PR tree-optimization/29415
983 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
984 (tree_decl_with_vis): Add artificial_pta_var flag.
985 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
987 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
988 (nonlocal_all): Ditto.
989 (struct variable_info): Add directly_dereferenced member.
990 (var_escaped_vars): New variable.
991 (escaped_vars_tree): Ditto.
992 (escaped_vars_id): Ditto.
993 (nonlocal_vars_id): Ditto.
994 (new_var_info): Set directly_dereferenced.
995 (graph_size): New variable
996 (build_constraint_graph): Use graph_size.
997 (solve_graph): Don't process constraints that cannot change the
998 solution, don't try to propagate an empty solution to our
1000 (process_constraint): Set directly_dereferenced.
1001 (could_have_pointers): New function.
1002 (get_constraint_for_component_ref): Don't process STRING_CST.
1003 (nonlocal_lookup): New function.
1004 (nonlocal_insert): Ditto.
1005 (create_nonlocal_var): Ditto.
1006 (get_nonlocal_id_for_type): Ditto.
1007 (get_constraint_for): Allow results vector to be empty in the case
1008 of string constants.
1009 Handle results of calls properly.
1010 (update_alias_info): Update alias info stats on number and type of
1012 (find_func_aliases): Use could_have_pointers.
1013 (make_constraint_from_escaped): Renamed from
1014 make_constraint_to_anything, and changed to make constraints from
1016 (make_constraint_to_escaped): New function.
1017 (find_global_initializers): Ditto.
1018 (create_variable_info_for): Make constraint from escaped to any
1019 global variable, and from any global variable to the set of
1021 (intra_create_variable_infos): Deal with escaped instead of
1022 pointing to anything.
1023 (set_uids_in_ptset): Do type pruning on directly dereferenced
1025 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1026 (init_base_vars): Fix comment, and initialize escaped_vars.
1027 (need_to_solve): Removed.
1028 (find_escape_constraints): New function.
1029 (expand_nonlocal_solutions): Ditto.
1030 (compute_points_to_sets): Call find_escape_constraints and
1031 expand_nonlocal_solutions.
1032 (delete_points_to_sets): Don't fall off the end of the graph.
1033 (init_alias_heapvars): Initialize nonlocal_for_type and
1035 (delete_alias_heapvars): Free nonlocal_for_type and null out
1038 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1040 * fold-const.c (add_double): Rename to add_double_with_sign.
1041 Add 'unsigned_p' parameter and take it into account for the overflow.
1042 (mul_double): Rename to mul_double_with_sign.
1043 Add 'unsigned_p' parameter and take it into account for the overflow.
1044 (fold_div_compare): Call add_double_with_sign instead of add_double
1045 and mul_double_with_sign instead of mul_double, passing them the
1046 unsignedness of the type.
1047 * tree.h (add_double): Macroize.
1048 (add_double_with_sign): New prototype.
1049 (mul_double): Macroize.
1050 (mul_double_with_sign): New prototype.
1052 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1054 * config/score/crti.asm: New file.
1055 * config/score/crtn.asm: New file.
1056 * config/score/elf.h: New file.
1057 * config/score/mac.md: New file.
1058 * config/score/misc.md: New file.
1059 * config/score/mul-div.S: New file.
1060 * config/score/predicates.md: New file.
1061 * config/score/score7.md: New file.
1062 * config/score/score.c: New file.
1063 * config/score/score-conv.h: New file.
1064 * config/score/score.h: New file.
1065 * config/score/score.md: New file.
1066 * config/score/score-mdaux.c: New file.
1067 * config/score/score-mdaux.h: New file.
1068 * config/score/score-modes.def: New file.
1069 * config/score/score.opt: New file.
1070 * config/score/score-protos.h: New file.
1071 * config/score/score-version.h: New file.
1072 * config/score/t-score-elf: New file.
1073 * config.gcc: Add score*-*-* configurations(Update before).
1074 * doc/invoke.texi (Score Options): New section.
1075 * doc/md.texi (Score family): New section to document constraints.
1077 2006-10-19 Nick Clifton <nickc@redhat.com>
1079 * config/arm/arm.c: Fix spelling typo.
1081 2006-10-18 Tom Tromey <tromey@redhat.com>
1083 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1085 2006-10-18 Jan Hubicka <jh@suse.cz>
1088 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1091 2006-10-18 Marcin Dalecki <martin@dalecki.de>
1093 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1094 TSI_SAME_STMT, since that's the desired entity.
1096 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
1098 * config/s390/contraints.md: New file.
1099 * config/s390/s390-protos.h (s390_mem_constraint,
1100 s390_O_constraint_str, s390_N_constraint_str,
1101 s390_float_const_zero_p): Function prototypes added.
1102 * config/s390/s390.c (s390_extra_constraint_str,
1103 s390_const_double_ok_for_constraint_p,
1104 s390_const_ok_for_constraint_p): Functions removed.
1105 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1106 s390_float_const_zero_p): New functions.
1107 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1108 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1109 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1110 Macro definitions removed.
1111 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1112 s390_extra_constraint_str): Functions removed.
1114 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
1115 Richard Sandiford <richard@codesourcery.com>
1118 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1119 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1121 2006-10-16 Geoffrey Keating <geoffk@apple.com>
1123 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1124 (DWARF2_FRAME_REG_OUT): Likewise.
1125 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1126 (DWARF2_FRAME_REG_OUT): Likewise.
1128 2006-10-17 Paul Brook <paul@codesourcery.com>
1130 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1132 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1134 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1135 Standardize on "GNU Fortran" as the official name of the Fortran
1138 2006-10-16 Mike Stump <mrs@apple.com>
1140 * doc/invoke.texi (Darwin Options): Document -mkernel.
1141 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1143 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1144 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1145 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1146 (OS_MISSING_ALTIVEC): Add.
1147 * config/i386/i386.c (override_options): Add
1148 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1149 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1150 -mkernel, -static or -mdynamic-no-pic is given.
1151 (C_COMMON_OVERRIDE_OPTIONS): Add.
1152 * config/darwin.opt (fapple-kext): Add.
1154 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1155 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1157 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1158 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1159 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1160 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1161 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1162 (flag_mkernel): Add.
1163 (flag_apple_kext): Add.
1164 (TARGET_KEXTABI): Add.
1165 * config/darwin.c (darwin_handle_kext_attribute): Add.
1166 (DARWIN_VTABLE_P): Add.
1167 (darwin_binds_local_p): Add partial support for rebinding vtables
1169 (darwin_kextabi_p): Add.
1170 (darwin_override_options): Add.
1171 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1172 (darwin_kextabi_p): Add.
1173 (darwin_override_options): Add.
1174 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1175 __DYNAMIC__ and __STATIC__ here.
1177 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1179 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1180 Added mention of "make pdf" target, and Texinfo requirements for
1183 2006-10-16 DJ Delorie <dj@redhat.com>
1185 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1186 into the GOT in case we need a subreg of the address.
1188 2006-10-16 Richard Guenther <rguenther@suse.de>
1191 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1192 SSE builtin documentation. Document SSE2 builtins.
1194 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1196 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1197 symbol in the output file for non-shared links when -nostdlib or
1198 -nodefaultlibs isn't specified.
1200 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1201 posix thread support.
1203 2006-10-15 Jan Hubicka <jh@suse.cz>
1206 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1207 declared always_inline even when not inlining.
1209 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1210 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1211 Andrew Pinski <pinskia@gmail.com>
1214 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1216 2006-10-15 Jan Hubicka <jh@suse.cz>
1217 Richard Guenther <rguenther@suse.de>
1220 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1221 process_function_and_variable_attributes on all variables, including
1222 those discovered during cgraph construction phase.
1224 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1226 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1228 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1230 * config/i386/athlon.md (athlon_fist): Add fisttp.
1232 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1233 Ian Lance Taylor <ian@airs.com>
1236 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1237 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1240 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1242 * config/score/score.c, config/score/score.h: Fix comment
1245 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1248 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1251 2006-10-13 Eric Christopher <echristo@apple.com>
1253 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1255 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1258 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1259 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1260 alignment supported by 32-bit ELF.
1262 2006-10-13 Eric Christopher <echristo@apple.com>
1264 * config/darwin.c (darwin_emit_unwind_label): Strip
1265 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1267 2006-10-13 Richard Guenther <rguenther@suse.de>
1269 PR tree-optimization/29446
1270 * tree-vrp.c (fix_equivalence_set): Remove.
1271 (extract_range_from_assert): Do not call fix_equivalence_set.
1272 (debug_value_range): Print a newline.
1273 (compare_name_with_value): For equivalence sets with
1274 inconsistent value ranges conservatively bail out.
1275 (compare_names): Likewise.
1277 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1279 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1280 and MPFR for gfortran.
1282 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1284 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1285 alignment supported by 32-bit ELF.
1287 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1291 * c-typeck.c (digest_init): Always allow initializing vectors
1292 that have static storage duration with compound literals.
1293 * tree.c (build_type_attribute_qual_variant): New, based on
1294 build_type_attribute_variant.
1295 (build_type_attribute_variant): Rewrite using the former.
1296 (make_vector_type): Use build_type_attribute_qual_variant to build
1297 type variants. Use type_hash_canon on the others.
1299 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1300 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1302 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1304 2006-10-12 Jan Hubicka <jh@suse.cz>
1307 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1308 current_function_decl is set but current_function_scope is not.
1310 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1312 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1313 emit_insn to emit eh_return_internal instruction.
1314 (eh_return_internal): Explicitly set pc.
1316 2006-10-11 Richard Guenther <rguenther@suse.de>
1318 PR tree-optimization/28230
1319 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1320 to the correct place.
1322 2006-10-11 Richard Guenther <rguenther@suse.de>
1325 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1328 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1330 * configure.ac: Added pdf to "Make-hooks"
1331 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1332 targets and *.pdf file patterns in cleanup targets.
1333 * configure: Regenerated.
1335 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1337 * config/avr/predicates.md: New file.
1338 * config/avr/avr.md: Include it.
1339 (REG_SP): New constant.
1340 (peepholes): Use predicates.
1341 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1342 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1343 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1345 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1347 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1350 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1353 * builtins.c (var_decl_component_p): New function.
1354 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1355 single entry optimization to variables and components thereof.
1357 2006-10-10 Richard Guenther <rguenther@suse.de>
1359 PR rtl-optimization/29323
1360 * except.c (set_nothrow_function_flags): For functions
1361 that do not bind local bail out early.
1363 2006-10-10 Ben Elliston <bje@au.ibm.com>
1365 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1368 2006-10-09 Richard Henderson <rth@redhat.com>
1370 Revert emutls patch.
1372 2006-10-09 Richard Guenther <rguenther@suse.de>
1375 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1378 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1381 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1382 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1383 * configure: Regenerate.
1384 * config.in: Regenerate.
1386 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1388 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1390 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1392 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1393 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1394 Remove stray newline.
1396 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1398 * config/mips/mips.c (mips_classify_symbol): Do not return
1399 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1400 (mips_in_small_data_p): Tweak comments.
1402 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1404 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1406 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1408 * gimplify.c, sched-int.h: Fix comment typos.
1410 * sched-int.h: Fix comment typos.
1412 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1414 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1416 * sched-ebb.c (begin_schedule_ready): Use them.
1417 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1418 add_to_speculative_block, create_check_block_twin, speculate_insn,
1419 fix_jump_move, move_block_after_check): Ditto.
1420 * sched-rgn.c (new_ready): Ditto.
1422 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1424 PR rtl-optimization/29128
1425 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1426 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1427 allow interblock movement of speculation checks.
1429 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1432 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1433 casted to integer type.
1434 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1435 if they are significantly more expensive than [reg + index] ones.
1437 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1439 PR tree-optimization/29330
1440 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1441 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1442 on newly allocated ddrs.
1443 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1444 to VEC (loop_p, heap) pointer.
1445 (compute_data_dependences_for_loop): Adjust caller.
1446 (free_dependence_relations): Free DDR_LOOP_NEST.
1448 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1449 free DEPENDENCE_RELATIONS and DATAREFS.
1452 * builtins.c (expand_builtin_sync_operation,
1453 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1454 Use convert_to_mode to handle promoted arguments.
1456 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1458 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1460 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1462 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1464 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1466 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1467 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1468 Use <modeconstraint> instead of "r" as operand 1 constraint.
1470 2006-10-06 Olivier Hainque <hainque@adacore.com>
1472 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1473 Don't recurse on the pointed-to type.
1474 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1475 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1476 types with components of variable size.
1478 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1480 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1482 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1484 PR tree-optimization/29290
1485 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1489 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1490 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1493 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1494 the number of vector elements fill the rest with zeros.
1496 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1498 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1499 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1502 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1504 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1505 unnamed pattern into subsi3. Use correct constraints/predicates.
1506 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1507 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1509 2006-10-05 Ira Rosen <irar@il.ibm.com>
1511 * doc/loop.texi: Add data references analysis description.
1513 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1515 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1517 2006-10-04 Richard Henderson <rth@redhat.com>
1518 Jakub Jelinek <jakub@redhat.com>
1520 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1521 * builtin-types.def (BT_WORD): Make unsigned.
1522 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1523 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1524 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1525 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1526 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1527 * cgraph.c (decide_is_variable_needed): Look at force_output.
1528 Recurse for emulated tls.
1529 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1530 checks redundant with decide_is_variable_needed.
1531 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1532 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1534 * expr.c (emutls_var_address): New.
1535 (expand_expr_real_1): Expand emulated tls.
1536 (expand_expr_addr_expr_1): Likewise.
1537 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1538 * output.h (emutls_finish): Declare.
1539 * toplev.c (compile_file): Call it.
1540 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1541 address before wrapping in CONST.
1542 * varasm.c (emutls_htab, emutls_object_type): New.
1543 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1544 (get_emutls_object_name, get_emutls_object_type): New.
1545 (get_emutls_init_templ_addr, emutls_decl): New.
1546 (emutls_common_1, emutls_finish): New.
1547 (assemble_variable): When emulating tls, swap decls; generate
1548 constructor for the emutls objects.
1549 (do_assemble_alias): When emulating tls, swap decl and target name.
1550 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1552 * emutls.c: New file.
1553 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1554 tls_object for real tls.
1556 2006-10-04 Zack Weinberg <zackw@panix.com>
1558 Fix bug in constraint-check generator, reported by Rask Ingemann
1560 * genpreds.c (add_constraint): Don't remove anything from the
1562 (write_tm_constrs_h): Detect whether "op" argument is used, and
1563 mark it ARG_UNUSED if it isn't.
1564 (write_insn_const_int_ok_for_constraint): Skip the part of the
1565 expression that would test whether "op" (which is not available
1566 here) is a CONST_INT.
1568 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1571 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1573 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1575 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1576 current Leopard versions.
1577 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1579 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1581 * doc/install.texi: Fix typos.
1583 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1585 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1586 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1587 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1589 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1591 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1592 arg to be struct mach_header_64* instead.
1594 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1597 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1598 side effects after the outer expression's post side effects.
1600 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1602 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1603 comments to reflect actual behavior and relationship between
1604 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1606 * doc/c-tree.texi (Working with declarations): Fix documentation
1607 of FIELD_DECL likewise.
1609 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1612 * doc/extend.texi: Add used variable attribute description.
1614 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1617 * c.opt (Woverride-init): New.
1618 * c-opts.c (c_common_post_options): Default warn_override_init to
1620 * c-typeck.c (add_pending_init, output_init_element): Warn for
1621 overriding initializers without side effects.
1622 * doc/invoke.texi (-Woverride-init): Document.
1625 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1627 PR rtl-optimization/28096
1628 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1629 assignment has already been used as a destination earlier in the block.
1631 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1633 * builtins.c (expand_builtin_setjmp): Delete.
1634 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1635 <BUILT_IN_SETJMP_SETUP>: New case.
1636 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1637 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1638 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1639 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1640 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1641 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1642 (lower_function_body): Initialize it to false. If it is set to true
1643 at the end of the processing, emit the setjmp dispatcher.
1644 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1645 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1646 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1647 on the rhs of the assignment.
1648 (lower_builtin_setjmp): New function.
1649 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1650 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1651 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1652 to detect calls that can go to non-local labels. Use specific
1653 helper to create the abnormal edges associated with them.
1654 <MODIFY_EXPR>: Likewise.
1655 (make_abnormal_goto_edges): New function extracted from...
1656 (make_goto_expr_edges): ...here. Call it for computed gotos.
1657 (simple_goto_p): Minor tweak.
1658 (tree_can_make_abnormal_goto): New predicate.
1659 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1660 (tree_purge_dead_abnormal_call_edges): New function.
1661 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1662 (tree_purge_dead_abnormal_call_edges): Likewise.
1663 (make_abnormal_goto_edges): Likewise.
1664 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1665 Purge all dead abnormal edges if the call was in the last statement.
1666 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1667 (execute_fixup_cfg): If there are non-local labels in the function,
1668 scan the basic blocks and split them at calls that can go to non-local
1669 labels or add missing abnormal call edges. Write down the CFG in the
1671 (pass_fixup_cfg): Remove TODO_dump_func flag.
1672 * unwind-sjlj.c: Poison setjmp.
1673 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1674 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1675 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1676 (DONT_USE_BUILTIN_SETJMP): Document it.
1678 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1681 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1682 to 1 when __ppc64__ is defined.
1683 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1685 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1687 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1689 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1690 * config/ia64/unwind-hpux.c: Delete.
1692 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1694 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1695 on the element before gimplifying it, instead of punting if it is of
1698 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1700 * doc/loop.texi: New file.
1701 * doc/gccint.texi: Reference loop.texi.
1702 * Makefile.in (loop.texi): Add.
1704 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1706 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1708 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1709 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1711 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
1713 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
1715 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
1717 * doc/install.texi: Document required versions of GMP and MPFR.
1719 2006-09-27 Paul Brook <paul@codesourcery.com>
1722 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
1724 2006-09-27 Richard Sandiford <richard@codesourcery.com>
1726 * reload1.c (alter_reg): Require the alignment of the stack slot to
1727 be at least reg_max_ref_width bytes.
1728 (scan_paradoxical_subregs): Record the largest width in
1731 2006-09-26 Jakub Jelinek <jakub@redhat.com>
1735 * tree-nested.c (struct nesting_info): Added static_chain_added.
1736 (convert_call_expr): Set static_chain_added when adding static
1737 chain. Handle OMP_PARALLEL and OMP_SECTION.
1739 2006-09-25 Matthias Klose <doko@debian.org>
1741 * doc/invoke.texi: Add missing full stop.
1743 2006-09-25 Richard Henderson <rth@redhat.com>
1745 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1746 before cgraph_function_flags_ready.
1748 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1749 Adam Nemet <anemet@caviumnetworks.com>
1751 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1752 determine_common_wider_type): New functions.
1753 (get_computation_aff): Use them to simplify arithmetic between
1754 UBASE and CBASE if they are shortened from the same type.
1756 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1759 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1760 -2147483647 - 1 instead of 0x80000000.
1762 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1764 * flags.h (HONOR_NANS): Fix typo in comment.
1766 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1768 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1770 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1774 * tree.c (merge_attributes, attribute_list_contained): If both
1775 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1777 * c-typeck.c (comptypes_internal): Don't consider aggregates
1778 in different TUs as compatible if there one set of attributes is
1779 not a subset of the other type's attributes.
1780 (composite_type): Try harder not to create a new aggregate type.
1782 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1784 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1785 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1786 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
1787 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1788 than replicating condition above.
1789 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1791 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1792 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
1793 the linker by default.
1795 2006-09-22 Mike Stump <mrs@apple.com>
1797 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
1800 2006-09-22 Richard Guenther <rguenther@suse.de>
1803 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
1804 sort of stack variables stable.
1806 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
1809 * explow.c (force_reg): Set REG_POINTER flag according to
1812 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
1814 PR tree-optimization/28888
1815 * tree-if-conv.c (combine_blocks): Rewritten.
1816 * tree-cfg.c (tree_verify_flow_info): Check that edges with
1817 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
1819 2006-09-22 Jakub Jelinek <jakub@redhat.com>
1821 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
1824 2006-09-21 Richard Sandiford <richard@codesourcery.com>
1826 * varasm.c (copy_constant): Fix reversed gcc_assert check.
1828 2006-09-21 Janis Johnson <janis187@us.ibm.com>
1830 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
1832 2006-09-21 Roger Sayle <roger@eyesopen.com>
1835 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
1836 dw_fde_current_label, to be the start of the function, i.e. the same
1837 value as dw_fde_begin.
1839 2006-09-20 Richard Sandiford <richard@codesourcery.com>
1841 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
1842 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
1843 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
1844 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
1845 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
1846 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
1847 (abs<mode>2, neg<mode>2): Likewise.
1848 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
1849 (*mips_abs_ps): New define_insn.
1851 2006-09-20 Josh Conner <jconner@apple.com>
1854 * calls.c (expand_call): Allow reuse of structure return stack
1857 2006-09-20 Paul Brook <paul@codesourcery.com>
1859 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
1862 2006-09-20 Janis Johnson <janis187@us.ibm.com>
1864 * doc/extend.texi (Decimal Float): Update for latest draft TR,
1865 clean up terminology.
1867 2006-09-20 Steve Ellcey <sje@cup.hp.com>
1870 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
1871 with tablejumps in them.
1873 2006-09-20 Jakub Jelinek <jakub@redhat.com>
1876 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
1877 wrap it into TARGET_EXPR.
1879 2006-09-20 Eric Christopher <echristo@apple.com>
1881 * config/i386/i386.c (x86_fisttp): Remove.
1882 * config/i386/i386.h (x86_fisttp): Ditto.
1883 (TARGET_FISTTP): Ditto.
1885 2006-09-19 Eric Christopher <echristo@apple.com>
1887 * doc/tm.texi (OBJC_JBLEN): Describe.
1888 * config/i386/darwin.h (OBJC_JBLEN): Define.
1889 * config/rs6000/darwin.h: Ditto.
1891 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
1893 PR rtl-optimization/21299
1894 * reload1.c (reload): Purge invalid ASMs in the final pass.
1896 2006-09-19 Steve Ellcey <sje@cup.hp.com>
1899 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
1900 pointers as legitimate constants.
1902 2006-09-19 Paul Brook <paul@codesourcery.com>
1905 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
1907 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
1909 PR tree-optimization/28887
1910 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
1911 component parts from the reference.
1912 (gather_memory_references_ref): Record the reference without the
1913 nonaddressable component parts.
1915 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
1918 * c-opts.c (c_common_handle_option): Ignore the -std options
1919 if the input language is assembly.
1921 2006-09-17 Ira Rosen <irar@il.ibm.com>
1924 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
1926 (ptr_ptr_may_alias_p): Likewise.
1927 (record_record_differ_p): New function.
1928 (base_object_differ_p): Call record_record_differ_p.
1930 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1933 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
1934 away for the expr argument.
1936 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1939 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
1940 before using it for dumping after vectorizing loops.
1942 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1943 Jack Howarth <howarth@bromo.med.uc.edu>
1946 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
1947 skip on error_mark_node.
1948 (rs6000_darwin64_record_arg_recurse): Likewise.
1950 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1952 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
1953 * doc/rtl.texi: Remove related documentation.
1955 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
1957 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
1960 2006-09-15 Jim Wilson <wilson@specifix.com>
1962 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
1963 Handle symbol offsets same as they are handled in ia64_expand_move
1966 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
1968 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
1969 Add forgotten parameter to the fprintf call.
1971 2006-09-15 Steve Ellcey <sje@cup.hp.com>
1973 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
1975 2006-09-15 Uros Bizjak <uros@kss-loka.si>
1977 * doc/contrib.texi: Add my entry.
1979 2006-09-15 Nick Clifton <nickc@redhat.com>
1981 * doc/md.texi (Processor pipeline description): Fix typo in
1982 example of how to use the absence_set directive and reword the
1983 description to make it slightly easier to read.
1985 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
1987 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
1988 * loop-doloop.c (doloop_optimize): Use it to limit costs of
1989 expanding the number of iterations.
1990 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
1992 * cfgrtl.c (emit_insn_at_entry): New function.
1993 * rtl.h (emit_insn_at_entry): Declare it.
1994 * integrate.c (emit_initial_value_sets): Use it.
1996 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
1998 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2000 (struct loop_work and related VEC declarations): Delete.
2001 (bfin_dump_loops): Print out new member bad.
2002 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
2003 (bfin_scan_loop): Don't recurse.
2004 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2005 loops. No longer need to update outer loops if the current one is
2006 found bad. Move some validitiy checks to bfin_discover_loop.
2007 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2008 but changed not to check for nesting. Also changed to use the new bad
2010 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2011 time. Use bitmap based test to discover loop nesting.
2013 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
2015 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2018 2006-09-14 Richard Guenther <rguenther@suse.de>
2019 Kazu Hirata <kazu@codesourcery.com>
2021 PR middle-end/28884.
2022 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2023 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2024 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2025 with TARGET_FUNCTION_VALUE.
2027 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2030 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2032 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2034 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2037 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2040 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2043 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2045 * basic_block.h (bb_has_eh_pred): Fix comment.
2047 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2049 * flow.c (calculate_global_regs_live): Invalidate eh registers
2050 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2051 (propagate_block): Handle eh registers as if they were set at basic
2053 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2055 * global.c (global_conflicts): Make eh registers to conflict with
2056 pseudos live at basic block begin.
2057 * basic_block.h (bb_has_eh_pred): New function.
2059 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2061 PR rtl-optimization/28982
2062 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2063 index of a PRE_MODIFY or POST_MODIFY address.
2064 * reload1.c (inc_for_reload): Use find_replacement on the original
2065 base and index registers.
2067 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2069 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2070 for -Os. Update __m128 alignment requirement.
2072 2006-09-13 Jan Hubicka <jh@suse.cz>
2074 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2076 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2078 PR rtl-optimization/28243
2079 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2080 the insn to which the note was originally attached.
2082 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2083 Roger Sayle <roger@eyesopen.com>
2085 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2086 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2087 on platforms that don't use dwarf for debug info.
2089 2006-09-12 Jason Merrill <jason@redhat.com>
2092 * builtins.c (expand_builtin_setjmp_receiver): Clobber
2093 hard_frame_pointer_rtx after using it to update the frame pointer.
2095 2006-09-12 Roger Sayle <roger@eyesopen.com>
2097 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2098 (TARGET_ASM_CLOSE_PAREN): Likewise.
2099 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2100 (TARGET_ASM_CLOSE_PAREN): Likewise.
2102 2006-09-12 Roger Sayle <roger@eyesopen.com>
2105 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2106 frame information for frames larger than 512 Kbytes on Tru64 when
2107 using the native assembler.
2109 2006-09-12 Roger Sayle <roger@eyesopen.com>
2113 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2114 and symbols. Instead use the implementation from cse.c's hash_rtx.
2116 2006-09-12 Jan Hubicka <jh@suse.cz>
2118 PR rtl-optimization/28071
2119 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2120 (vect_transform_loop): Likewise.
2121 * tree-vectorizer.c (new_loop_vec_info): Likewise.
2122 (new_loop_vec_info): Likewise.
2123 (destroy_loop_vec_info): Likewise.
2124 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2125 (create_stmt_ann): Likewise.
2126 (create_tree_ann): Rename to ...
2127 (create_tree_common_ann): ... this one; allocate only the common part
2129 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2130 (get_value_handle): Likewise.
2131 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2132 get_tree_common_ann.
2133 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2134 (vinfo_for_stmt): Use stmt annotations.
2135 * tree-flow.h (tree_ann_common_t): New type.
2136 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2137 (tree_ann, get_tree_ann, create_tree_ann): New.
2138 * tree-flow-inline.h (get_function_ann): Do more type checking.
2139 (stmt_ann): Likewise.
2140 (tree_ann): Rename to ...
2141 (tree_common_ann): ... this one; return ony common_ann
2142 (get_tree_ann): Rename to ...
2143 (tree_common_ann): This one; return only common_ann.
2144 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2147 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2149 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2150 with_cpu by default.
2152 * dwarf2out.c (dwarf_file_data): New.
2153 (enum dw_val_class): Add dw_val_class_file.
2154 (struct dw_val_struct): Add val_file.
2155 (file_table): Change to a hash table.
2156 (file_table_emitted): Delete.
2157 (file_table_last_lookup_index): Delete.
2158 (emitcount): Delete.
2159 (last_emitted_file): New.
2160 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2161 (init_file_table): Delete.
2162 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2163 (AT_addr): Add comment.
2167 (print_die): Handle dw_val_class_file.
2168 (print_dwarf_line_table): Update for new file table structure.
2169 (attr_checksum): Do checksum a filename.
2170 (same_dw_val_p, same_attr_p): Do compare a filename.
2171 (size_of_die): Handle dw_val_class_file.
2172 (value_format): Likewise.
2173 (output_die): Likewise. Also, call maybe_emit_file here.
2174 (struct file_info): Constify filenames. Make file_idx a pointer
2175 to a struct dwarf_file_data.
2176 (struct dir_info): Constify directory names. Remove 'used' field.
2177 (struct file_name_acquire_data): New.
2178 (file_name_acquire): New.
2179 (output_file_names): Modify to handle new file data structures.
2180 (add_src_coords_attributes): Use add_AT_file.
2181 (add_call_src_coords_attributes): Likewise.
2182 (dwarf2out_imported_module_or_decl): Likewise.
2183 (gen_subprogram_die): Modify for new file data structures.
2184 (gen_variable_die): Likewise.
2185 (file_table_eq): New.
2186 (file_table_hash): New.
2187 (file_table_last_lookup): New.
2188 (lookup_filename): Rewrite to handle new file data structures.
2189 (maybe_emit_file): Rewrite to handle new file data structures.
2190 (dwarf2out_source_line): Always call lookup_filename and
2192 (dwarf2out_init): Create file_table here.
2193 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2194 (file_table_relative_p): New.
2195 (dwarf2out_finish): Change detection of relative filenames
2196 to work with new file data structures. Move output_line_info call
2197 after debug_info output.
2199 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2204 * config/i386/i386.c (override_options): Always default to 16
2205 byte stack boundary.
2207 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2210 * var-tracking.c (dump_dataflow_set): Start dumping at
2212 (clobber_variable_part): Kill only the variable part in
2213 registers holding it, leaving other variables alone.
2215 2006-09-11 Josh Triplett <josh@freedesktop.org>
2217 * doc/extend.texi (Other Builtins): Actually use the macro
2218 argument in the documentation example for
2219 __builtin_types_compatible_p.
2221 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2223 PR rtl-optimization/28726
2224 * sched-deps.c (sched_analyze_reg): New function extracted from...
2225 (sched_analyze_1): ...here. Call it to analyze references to
2226 registers. Treat again writes to a stack register as writing to the
2228 (sched_analyze_2): ...and here. Call it to analyze references to
2229 registers. Treat again reads of a stack register as reading the
2232 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2233 David Edelsohn <edelsohn@gnu.org>
2236 * config/rs6000/spe.md (frob_df_di): Remove %H.
2237 (frob_di_df): Remove %H. Change evmergelo to mr.
2238 (frob_di_df_2): Remove %H. Change evldd to two loads.
2240 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2242 * doc/cpp.texi: Fix names of charset options.
2244 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2247 * config/i386/i386.c (override_options): Use 128-bit
2248 stack boundary always for 64bits.
2250 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2252 PR rtl-optimization/28636
2253 * combine.c (force_to_mode): Test for side-effects before
2254 substituting by zero.
2255 (simplify_shift_const): Likewise for zero or other constants.
2257 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2260 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2263 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2266 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2267 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2268 returned by mode_for_size, rather than the mode of src itself,
2269 to choose between 32-bit and 64-bit patterns.
2270 (mips_mem_fits_mode_p): New function.
2271 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2272 that the size of the source matches the size of the destination.
2273 (mov_<store>l, mov_<store>r): Likewise.
2275 2006-09-10 Eric Christopher <echristo@apple.com>
2277 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2280 2006-09-09 Eric Christopher <echristo@apple.com>
2283 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2286 2006-09-09 Roger Sayle <roger@eyesopen.com>
2287 Nicolas Setton <setton@adacore.com>
2289 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2291 2006-09-10 Andreas Schwab <schwab@suse.de>
2293 * config/m68k/m68k.md (bungt_rev): New pattern.
2295 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2296 Dale Johannesen <dalej@apple.com>
2299 * regclass.c (struct reg_pref): Update documentation.
2300 (regclass): Set prefclass to NO_REGS if memory is the best option.
2301 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2303 2006-09-08 Eric Christopher <echristo@apple.com>
2305 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2306 * config/t-slibgcc-darwin: Support x86_64 multilib.
2307 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2308 Return 1 for x86_64-darwin.
2309 * config/i386/t-darwin: Add m64 multilib.
2310 (LIB2_SIDITI_CONV_FUNCS): Use.
2311 (LIB2FUNCS_EXTRA): Ditto.
2312 * config/i386/darwin.h: Support x86_64.
2313 * config/i386/i386.c (override_options): Turn on flag_pic
2314 for x86_64-darwin. Disable flag_omit_pointer.
2315 (get_pc_thunk_name): Assert !TARGET_64BIT.
2316 (legitimate_address_p): Disable machopic addressing for
2318 (legitimize_pic_address): Ditto.
2319 (ix86_expand_move): Ditto.
2320 (ix86_expand_call): Ditto.
2321 (machopic_output_stub): Ditto.
2322 * config/darwin.c (machopic_select_section): Support literal16.
2323 (machopic_select_rtx_section): Ditto.
2324 * config/darwin-sections.def: Ditto.
2325 * config/darwin-64.c: New.
2327 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2330 * c-tree.h (struct c_arg_info): Add pending_sizes.
2331 * c-parser.c (c_parser_parms_declarator,
2332 c_parser_parms_list_declarator): Initialize pending_sizes.
2333 * c-decl.c (get_parm_info): Initialize pending_sizes.
2334 (get_parm_info): Set pending_sizes.
2335 (grokdeclarator): Call put_pending_sizes for parameters for
2336 function definition only.
2338 2006-09-07 Jason Merrill <jason@redhat.com>
2341 * varasm.c (output_constant): Only strip actual no-op conversions.
2344 * config/i386/i386.c (override_options): Use 128-bit
2345 stack boundary if -msse.
2347 2006-09-07 Eric Christopher <echristo@apple.com>
2349 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2351 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2354 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2356 * dwarf2out.c: Remove strange characters from comment above
2357 dwarf2out_frame_debug_expr.
2359 2006-09-07 Eric Christopher <echristo@apple.com>
2361 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2362 * config/darwin.h: ... to here.
2364 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2366 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2368 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2369 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2371 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2372 TARGET_PARTIAL_FLAG_REG_STALL.
2373 (*ashldi3_cconly_rex64): Likewise.
2374 (*ashlsi3_cmp): Likewise.
2375 (*ashlsi3_cconly): Likewise.
2376 (*ashlsi3_cmp_zext): Likewise.
2377 (*ashlhi3_cmp): Likewise.
2378 (*ashlhi3_cconly): Likewise.
2379 (*ashlqi3_cmp): Likewise.
2380 (*ashlqi3_cconly): Likewise.
2381 (*ashrdi3_cmp_rex64): Likewise.
2382 (*ashrdi3_cconly_rex64): Likewise.
2383 (*ashrsi3_cmp): Likewise.
2384 (*ashrsi3_cconly): Likewise.
2385 (*ashrsi3_cmp_zext): Likewise.
2386 (*ashrhi3_cmp): Likewise.
2387 (*ashrhi3_cconly): Likewise.
2388 (*ashrqi3_cmp): Likewise.
2389 (*ashrqi3_cconly): Likewise.
2390 (*lshrdi3_cmp_rex64): Likewise.
2391 (*lshrdi3_cconly_rex64): Likewise.
2392 (*lshrsi3_cmp): Likewise.
2393 (*lshrsi3_cconly): Likewise.
2394 (*lshrsi3_cmp_zext): Likewise.
2395 (*lshrhi3_cmp): Likewise.
2396 (*lshrhi3_cconly): Likewise.
2397 (*lshrqi2_cmp): Likewise.
2398 (*lshrqi2_cconly): Likewise.
2400 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2403 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2404 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2405 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2406 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2407 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2408 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2409 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2410 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2411 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2412 implement only CC setting effects of shift instructions.
2414 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2416 * doc/contrib.texi: Add myself.
2418 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2421 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2422 was set by the user.
2424 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2427 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2428 (divsi_inv_m1): Use them.
2429 (UNSPEC_DIV_INV_TABLE): New constant.
2431 2006-09-06 James E Wilson <wilson@specifix.com>
2434 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2435 then call count_or_remove_death_notes.
2437 2006-09-06 Jason Merrill <jason@redhat.com>
2440 * tree-inline.c (copy_result_decl_to_var): New fn.
2441 (declare_return_variable): Use it. Call declare_inline_vars here.
2442 (expand_call_inline): Not here.
2444 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2446 * doc/contrib.texi: Update my entry.
2448 2006-09-06 Nick Clifton <nickc@redhat.com>
2450 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2452 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2455 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2456 (canonicalize_induction_variables): Likewise.
2457 (tree_unroll_loops_completely): Likewise.
2458 (tree_ssa_prefetch_arrays): Likewise.
2459 (remove_empty_loops): Likewise.
2460 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2461 TODO_cleanup_cfg instead of directly calling
2462 cleanup_tree_cfg_loop.
2463 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2465 (tree_unroll_loops_completely): Likewise.
2466 (remove_empty_loops): Likewise.
2467 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2468 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2469 of tree_ssa_unswitch_loops.
2470 (tree_ssa_loop_ivcanon): Use the return value of
2471 canonicalize_induction_variables.
2472 (tree_ssa_empty_loop): Use the return value of
2474 (tree_complete_unroll): Use the return value of
2475 tree_unroll_loops_completely.
2476 (tree_ssa_loop_prefetch): Use the return value of
2477 tree_ssa_prefetch_arrays.
2478 * passes.c (execute_todo): Before Cleanup CFG, set
2479 updating_used_alone and after cleanup CFG, call
2480 recalculate_used_alone.
2482 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2485 * tree-vect-transform.c (vectorizable_condition): Move the check
2486 for the type after the check for simple condition.
2488 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2489 Kaz Kojima <kkojima@gcc.gnu.org>
2492 * mode-switching.c (optimize_mode_switching): Make the destination
2493 block of an abnormal edge have no anticipatable mode. Don't
2494 insert mode switching code at the end of the source block of
2497 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2499 PR rtl-optimization/26847
2500 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2501 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2502 (simplify_plus_minus): Count n_constants while filling ops. Replace
2503 qsort with insertion sort. Before going through the array to simplify
2504 pairs, sort it. Delay early exit until after the first sort, exiting
2505 only if no swaps occurred. Simplify pairs in reversed order, without
2506 special-casing the first iteration. Pack ops after simplifying pairs.
2508 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2510 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2511 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2512 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2513 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2515 2006-09-05 Richard Guenther <rguenther@suse.de>
2517 PR tree-optimization/28900
2518 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2519 compound conditional before creating COND_EXPR condition.
2521 2006-09-05 Richard Guenther <rguenther@suse.de>
2523 PR tree-optimization/28905
2524 * tree-vrp.c (fix_equivalence_set): Manually implement
2525 !value_ranges_intersect_p to also handle symbolic ranges.
2527 2006-09-05 Richard Guenther <rguenther@suse.de>
2530 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2533 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2535 PR rtl-optimization/27616
2536 * cse.c (table_size): New static variable.
2537 (new_basic_block): Initialize it to 0.
2538 (remove_from_table): Decrement it.
2539 (insert): Increment it.
2540 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2541 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2542 fold_rtx_mem_1 if under the cap.
2543 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2544 the lookup of the equivalent expression and test for equality of the
2545 first operand of the equivalent expression before in turn looking up
2546 an equivalent constant for the second operand.
2548 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2551 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2552 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2553 pointer, instead of assuming it is possible to derive the
2554 correct args size from a call insn.
2556 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2559 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2560 (fold_builtin_mempcpy): Rename to...
2561 (fold_builtin_memory_op): ... this. Optimize one element copy
2563 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2565 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2566 (expand_builtin_memcpy, expand_builtin_mempcpy,
2567 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2568 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2569 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2570 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2572 2006-09-01 DJ Delorie <dj@redhat.com>
2574 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2575 (stzx_16): Likewise.
2576 ("stzx_24_<mode>"): Likewise.
2577 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2578 ("cmp<mode>_op"): New.
2579 (cmp<mode>): Change to expander; just save operands.
2581 (b<code>): Change to expander, emit compare here.
2582 (s<code>_op): Change to use split and expander.
2583 (s<code>_24_op): Likewise.
2584 (s<code>_<mode>): New.
2585 (s<code>_<mode>_24): New.
2586 (movqicc_<code>_<mode): New.
2587 (movhicc_<code>_<mode>): New.
2590 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2591 (m32c_pend_compare): New.
2592 (m32c_unpend_compare): New.
2593 (m32c_expand_scc): New.
2594 (m32c_expand_movcc): Emit the compare also.
2595 * config/m32c/predicates.md (mra_nopp_operand): New.
2597 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2598 Richard Guenther <rguenther@suse.de>
2599 Adam Nemet <anemet@caviumnetworks.com>
2602 * builtins.c (get_pointer_alignment): Handle more forms
2603 of base addresses that can be used to derive more precise
2604 information about alignment.
2606 2006-09-01 Jason Merrill <jason@redhat.com>
2609 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2612 * gimplify.c (voidify_wrapper_expr): Handle null type.
2614 2006-09-01 Josh Conner <jconner@apple.com>
2617 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2618 (execute_return_slot_opt): Use it.
2620 2006-08-31 Josh Conner <jconner@apple.com>
2623 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2624 returning aggregates.
2626 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2628 PR tree-optimization/28839
2629 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2630 blocks in that phi arguments appear.
2632 2006-08-31 Roger Sayle <roger@eyesopen.com>
2635 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2636 NULL, otherwise use an advance_loc4 to adjust relative to the
2638 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2639 (dwarf2out_switch_text_section): Reset the current label to avoid
2640 using advance_loc4 over section boundaries.
2642 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2645 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2646 r12 + SYMBOLIC_CONST.
2648 2006-08-30 Richard Guenther <rguenther@suse.de>
2650 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2652 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2654 PR rtl-optimization/27735
2655 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2656 Add new argument to keep track of whether an irreducible region
2657 was affected. All callers changed.
2658 (fix_irreducible_loops): Removed.
2659 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2660 flags were invalidated.
2662 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2664 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2665 instead of SF operands.
2666 (*fop_df_comm_sse): Likewise.
2667 (*fop_df_comm_i387): Likewise.
2668 (*fop_df_1_mixed): Likewise.
2669 (*fop_df_1_sse): Likewise.
2671 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2672 J"orn Rennecke <joern.rennecke@st.com>
2674 PR tree-optimization/17506
2675 * tree-ssa.c (warn_uninit): If warning about a location outside of
2676 the current function, note where the variable was declared.
2678 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2680 PR tree-optimization/28411
2681 * double-int.c (double_int_div): Use double_int_divmod.
2682 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2683 double_int_mod, double_int_smod, double_int_umod): New functions.
2684 * double-int.h (double_int_divmod, double_int_sdivmod,
2685 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2687 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2689 (get_computation_aff, get_computation_cost_at): Handle double_int
2690 return type of constant_multiple_of.
2692 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2695 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2696 an implicit conversion.
2698 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2700 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2702 2006-08-27 Roger Sayle <roger@eyesopen.com>
2704 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2707 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2709 * config/i386/crtfastmath.c: Fix a comment typo.
2711 2006-08-26 Roger Sayle <roger@eyesopen.com>
2713 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
2714 temporary visit flags on CASE_LABEL_EXPRs.
2715 * c-common.c (match_case_to_enum): Add function comment. Avoid
2716 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
2717 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
2718 CASE_HIGH_SEEN for enumerated types. If the switch expression is
2719 a constant, only warn if that constant value isn't handled.
2721 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
2724 * input.h (restore_input_file_stack): Declare.
2725 (INPUT_FILE_STACK_BITS): Define.
2726 * toplev.c (fs_p, input_file_stack_history,
2727 input_file_stack_restored, restore_input_file_stack): New.
2728 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
2729 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
2730 (pop_srcloc): Don't free old state of stack.
2732 2006-08-26 David Edelsohn <edelsohn@gnu.org>
2735 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2736 (PowerPC Type Attributes): New.
2738 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2740 * config/xtensa/xtensa.c (function_arg_boundary): New.
2741 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2743 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2744 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2746 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2749 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2752 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2754 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2755 (verify_local_live_at_start): Likewise.
2757 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2760 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2761 omp_add_variable): Treat sizes as variable whenever not
2764 2006-08-26 Richard Guenther <rguenther@suse.de>
2767 * fold-const.c (fold_binary): Fold temporary to correct
2768 type before constructing new comparison.
2770 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2773 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2774 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2776 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2779 * c-decl.c (start_function): Don't try to process prototype
2780 information from old declaration that isn't a function.
2782 2006-08-25 Jan Hubicka <jh@suse.cz>
2785 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2787 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2790 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
2793 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
2795 PR tree-optimization/16876
2796 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
2797 exit if PARM doesn't match VALUE.
2799 2006-08-25 Bob Wilson <bob.wilson@acm.org>
2801 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
2802 literal_prefix directive.
2803 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
2804 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2805 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2807 2006-08-25 David Edelsohn <edelsohn@gnu.org>
2810 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
2811 predicate to general_operand. Add 0->y and I->r alternatives.
2813 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
2815 * doc/tm.texi: Fix a typo.
2816 * predict.c: Fix comment typos.
2818 2006-08-25 Nick Clifton <nickc@redhat.com>
2820 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
2821 assertions of "cpu" and "machine".
2823 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
2826 * tree-ssa-operands.c (access_can_touch_variable): Don't say
2827 the access through a base which has an alias set of 0 cannot
2830 2006-08-24 Bill Wendling <wendling@apple.com>
2832 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
2834 2006-08-24 Jan Hubicka <jh@suse.cz>
2836 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
2838 2006-08-24 Jan Hubicka <jh@suse.cz>
2841 * cgraph.c: Fix comments.
2842 (cgraph_varpool_mark_needed_node): Mark only variables not already
2844 * cgraphunit.c: Update comments; include gt-cgraphunit.h
2845 (cgraph_varpool_assembled_nodes_queue): New static variable.
2846 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
2847 (cgraph_varpool_output_debug_info): New function.
2848 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
2849 * Makefile.in: Add gt-cgraphunit.h
2851 2006-08-24 Jan Hubicka <jh@suse.cz>
2853 * predict.c (probability_reliable_p): New predicate.
2854 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
2855 (predict_loops): Do not predict loop exit with less than 2%
2857 * basic-block.h (edge_probability_reliable_p,
2858 br_prob_note_reliable_p): Declare.
2859 * ia64.h (ia64_print_operand): Do not disable on-chip branch
2860 prediction when static predictor is not reliable.
2861 * rs6000.c (output_cbranch): Likewise.
2863 2006-08-23 Stuart Hastings <stuart@apple.com>
2866 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
2867 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
2869 2006-08-21 Geoffrey Keating <geoffk@apple.com>
2872 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
2873 complex values, nor for generic vector values.
2875 2006-08-22 Richard Guenther <rguenther@suse.de>
2878 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
2879 parameter. Convert arguments to arithmetic expression to the
2881 (analyze_scalar_evolution_1): Adjust caller.
2883 2006-08-22 Jan Hubicka <jh@suse.cz>
2885 Patch by Paolo Bonzini
2886 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
2889 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
2891 PR tree-optimization/28003
2892 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
2893 before grouping aliases.
2895 2006-08-22 Roger Sayle <roger@eyesopen.com>
2897 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
2898 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
2900 2006-08-21 Jason Merrill <jason@redhat.com>
2903 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
2904 wrapper. Loop to handle nested wrappers.
2905 (gimplify_bind_expr): Remove temp parameter.
2906 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
2907 and STATEMENT_LIST on the rhs.
2908 (gimplify_statement_list): Voidify the STATEMENT_LIST.
2909 (gimplify_expr): Pass pre_p to gimplify_statement_list.
2910 (gimplify_target_expr): Remove special BIND_EXPR handling.
2912 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
2914 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
2917 2006-08-21 Olivier Hainque <hainque@adacore.com>
2919 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
2920 Arrange for the temporary captures of components overlapping the lhs
2921 to happen before the lhs is possibly cleared.
2923 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
2925 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
2926 necessary places to pass the correct "number of registers" values
2929 2006-08-20 Jan Hubicka <jh@suse.cz>
2931 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
2932 (create_name_tags): Instead of quadratic checking use hashtable.
2933 * bitmap.h: Include hashtab.h.
2934 (bitmap_hash): Declare.
2935 * bitmap.c (bitmap_hash): New function.
2937 2006-08-20 Jan Hubicka <jh@suse.cz>
2939 PR rtl-optimization/28071
2940 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
2942 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
2943 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
2944 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
2945 cgraph_decide_inlining_incrementally): Update use of
2946 cgraph_check_inline_limits.
2947 * cgraph.c (edge_hash, edge_eq): New function.
2948 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
2949 cgraph_edge_remove_caller, cgraph_node_remove_callees,
2950 cgraph_remove_node): Maintain call site hash.
2951 * cgraph.h (struct cgraph_node): Add call_site_hash.
2952 (cgraph_set_call_stmt): New function.
2954 2006-08-20 Jan Hubicka <jh@suse.cz>
2956 PR rtl-optimization/28071
2957 * reload1.c (reg_has_output_reload): Turn into regset.
2958 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
2959 choose_reload_regs, emit_reload_insns): Update to new
2960 reg_has_output_reload.
2962 2006-08-20 Jan Hubicka <jh@suse.cz>
2965 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
2966 function body sizes.
2967 * cgraphunit.c (cgraph_analyze_function): Don't do so.
2969 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
2972 * tree.c (handle_dll_attribute): Return early if not a
2973 var or function decl.
2975 2006-08-18 Joseph Myers <joseph@codesourcery.com>
2978 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
2979 alignment of SPE vector types.
2981 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
2983 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
2985 2006-08-17 Jakub Jelinek <jakub@redhat.com>
2988 * cgraph.h (struct cgraph_node): Remove externally_visible
2990 * cgraphunit.c (process_function_and_variable_attributes): Set
2991 local.externally_visible rather than externally_visible.
2994 * c-common.c (handle_externally_visible_attribute): First look
2995 at TREE_CODE and only if it is function or var decl, check for
2996 non-public objects. Don't warn for DECL_EXTERNAL.
2997 * cgraphunit.c (process_function_and_variable_attributes): Warn
2998 if externally_visible attribute is used on non-public object.
3000 2006-08-17 Jan Hubicka <jh@suse.cz>
3002 PR tree-optimization/27865
3003 * reload1.c (forget_marked_reloads): New function.
3004 (forget_old_reloads_1): When data are passed, just mark the registers
3006 (reload_as_needed): Use the new mechanizm.
3008 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
3011 * reload.h (reg_equiv_alt_mem_list): New declaration.
3012 * reload1.c (reg_equiv_alt_mem_list): New definition.
3013 (reload): Initialize it and release it.
3014 (delete_output_reload): Use it.
3015 * reload.c (push_reg_equiv_alt_mem): New function.
3016 (find_reloads_toplev): Call it.
3017 (find_reloads_address, find_reloads_address_1): Likewise.
3018 (find_reloads_subreg_address): Likewise.
3020 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3022 PR rtl-optimization/28489
3023 * sched-ebb.c (begin_schedule_ready): Create basic block
3025 (advance_target_bb): Skip empty blocks.
3026 * haifa-sched.c (bb_note): Make global.
3027 * sched-int.h (bb_note): Add prototype.
3029 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3031 PR tree-optimization/27865
3032 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3034 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3035 fold_used_pointer, pointer_used_p): New functions.
3036 (analyze_scalar_evolution_1): Use fold_used_pointer.
3037 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3038 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3041 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3044 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3045 or the INTEGER_CST. Fail on a CALL_EXPR.
3046 (fold_offsetof): Pass new argument to fold_offsetof_1.
3047 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3048 operand into an INDIRECT_REF.
3049 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3051 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3053 PR gcov/profile/26570
3054 * value-prof.c (static_values): Removed.
3055 (tree_find_values_to_profile): Do not set static_values.
3056 (find_values_to_profile): Do not free static_values.
3057 * profile.c (instrument_values): Do not free the values.
3058 (branch_prob): Free the values.
3060 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3062 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3064 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3067 * c-typeck.c (build_component_ref): Combine qualifiers of
3068 structure or union and field.
3070 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3072 PR rtl-optimization/28071
3073 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3074 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3075 * tree-into-ssa.c (struct dom_dfsnum): New.
3076 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3078 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3079 compute_global_livein.
3080 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3081 in phi nodes in the correct blocks.
3083 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3085 PR tree-optimization/28364
3086 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3088 (fold_affine_expr): New function.
3089 (may_eliminate_iv): Use fold_affine_expr.
3091 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3094 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3097 2006-08-16 Mike Stump <mrs@apple.com>
3099 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3100 * doc/cppopts.texi (-MD): Likewise.
3102 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
3105 * c-common.c (handle_weak_attribute): Ignore and warn if
3106 not a FUNCTION_ or VAR_DECL.
3108 2006-07-15 Mike Stump <mrs@apple.com>
3111 * c-parser.c (c_parser_typeof_specifier): Don't use
3112 c_finish_expr_stmt, open code desired semantics instead.
3114 2006-08-15 Nick Clifton <nickc@redhat.com>
3116 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3117 fragment to tmake_file only if threads are enabled.
3118 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3119 * config/i386/t-gthr-win32: New file. ... here.
3121 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3124 * c-parser.c (c_parser_compound_statement_nostart): Reset
3125 parser->error after each statement.
3127 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3130 * omp-low.c (lower_omp_parallel): Convert t to
3131 receiver_decl's type.
3132 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3133 source before comparison.
3136 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3137 to itype in assignment to oldival2.
3139 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3143 * c-typeck.c (build_compound_expr): If the second expression
3144 is an error mark, then just return an error mark instead of
3145 creating a COMPOUND_EXPR.
3147 2006-07-14 Mike Stump <mrs@apple.com>
3149 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3151 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3153 * c-decl.c, var-tracking.c: Fix comment typos.
3155 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3157 PR rtl-optimization/28634
3158 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3159 for floating-point modes unless flag_unsafe_math_optimizations.
3161 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3162 Andrew Pinski <pinskia@physics.uc.edu>
3165 * tree.c (build_array_type): Unify array types with
3166 unspecified index_type.
3167 * c-decl.c (grokdeclarator): Make sure we do not modify a
3168 unified incomplete array type.
3169 * c-typeck.c (store_init_value): Create distinct type before
3170 filling in the index type in an initializer from a compound
3173 * c-decl.c (grokdeclarator): Remove code where we copy the
3176 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3178 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3179 into account for TODO_dump_cgraph.
3180 (TODO_update_ssa_no_phi): Likewise.
3181 (TODO_update_ssa_full_phi): Likewise.
3182 (TODO_update_ssa_only_virtuals): Likewise.
3183 (TODO_remove_unused_locals): Likewise.
3184 (TODO_set_props): Likewise.
3185 (TODO_update_stmt_usage): Likewise.
3187 2006-08-13 Dirk Mueller <dmueller@suse.de>
3189 * c-common.c (strict_aliasing_warning): Fix formatting.
3191 2006-08-13 Matthias Klose <doko@debian.org>
3193 * doc/invoke.texi: Fix spelling errors.
3195 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3197 PR rtl-optimization/23454
3198 * reorg.c (relax_delay_slots): Update comment.
3200 2006-08-11 Richard Guenther <rguenther@suse.de>
3203 * simplify-rtx.c (simplify_const_relational_operation):
3204 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3207 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3209 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3210 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3212 2006-08-10 Paul Brook <paul@codesourcery.com>
3214 * final.c (final_scan_insn): Clear current_insn_predicate before
3215 outputting inline asm.
3217 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3219 PR tree-optimization/26197
3220 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3221 get_ref_base_and_extent and overlap_subvar to add only relevant
3222 subvars as may-aliases.
3223 (add_may_alias_for_new_tag): New function, factored out of
3225 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3226 with additional argument.
3227 * tree-flow.h (new_type_alias): Takes additional argument.
3229 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3231 * gcov.c (no_data_file): New flag.
3232 (read_count_file): Set it if data file not present. Assume counts
3234 (output_lines): Don't name the data file, if there wasn't one.
3236 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3238 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3239 (rs6000_generate_compare): Tweak comments.
3240 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3242 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3244 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3245 (var_debug_decl): New function.
3246 (var_reg_set): Follow debug decl link. Add location even if
3247 reg is already known to hold some other variable.
3248 (var_mem_set): Follow debug decl link.
3249 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3250 decl link. Delete other known locations of the variable part
3252 (var_reg_delete, var_mem_delete): Delete other known locations
3253 of the variable part if requested.
3254 (same_variable_part_p): New function.
3255 (add_stores): Select MO_COPY when appropriate.
3256 (vt_initialize): Handle it.
3257 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3258 known locations for MO_SET and MO_CLOBBER.
3259 (find_variable_location_part): New function.
3260 (set_variable_part, delete_variable_part): Use it.
3261 (clobber_variable_part): New function.
3262 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3265 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3267 PR tree-optimization/26969
3268 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3269 with an empty list of PHIs.
3271 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3275 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3278 2006-08-06 Andreas Schwab <schwab@suse.de>
3280 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3281 string. Whitespace and comment fixup.
3283 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3286 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3290 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3293 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3295 2006-08-04 Jan Hubicka <jh@suse.cz>
3299 * reload.c (push_reload): Patch out the mismatching instruction;
3301 (find_reload): Bail out if the instruction was patched out.
3303 2006-08-04 Jan Hubicka <jh@suse.cz>
3305 PR tree-optimization/24888
3306 * tree-inline.c (expand_call_inline): Do not re-record variables.
3307 (declare_inline_vars): Add variable to unexpanded_var_list.
3309 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3310 Roger Sayle <roger@eyesopen.com>
3312 PR rtl-optimization/26244
3313 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3314 inner_const are negative or greater than or equal to the bitsize of
3315 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3316 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3317 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3318 CONST0_RTX (mode) when the new shift count is greater than or equal to
3319 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3322 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3324 * tree-cfg.c: Fix a comment typo.
3326 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3329 * varasm.c (output_constant): Give the front end another chance to
3330 expand constants, after stripping NOPs.
3332 2006-08-03 Jan Hubicka <jh@suse.cz>
3334 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3337 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3339 PR tree-optimization/27770
3340 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3341 declaration removed (moved to tree-flow.h).
3342 (vect_can_force_dr_alignment_p): Likewise.
3343 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3344 (moved from tree-vectorizer.h).
3345 (vect_can_force_dr_alignment_p): Likewise.
3346 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3347 from outside the vectorizer - in particular from cgraph stage.
3348 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3349 the alignment of global arrays when -fsection-anchors is enabled.
3350 * cgraphunit.c (cgraph_increase_alignment): New function.
3351 (cgraph_optimize): Call cgraph_increase_alignment.
3353 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3356 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3357 not reload a SPE symbol_ref into a lo_sum address.
3359 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3362 * dwarf2out.c (prune_unused_types_prune): Move call to
3363 prune_unused_types_update_strings to cover the parent DIE also.
3365 2006-08-02 Jan Hubicka <jh@suse.cz>
3367 PR gcov/profile/28480
3368 * tree-cfg.c (change_bb_for_stmt): New function.
3369 (tree_merge_blocks, tree_split_blocks): Use it.
3371 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3377 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3378 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3379 (cgraph_optimize): Likewise.
3381 2006-08-01 Stuart Hastings <stuart@apple.com>
3383 * rtl.h (UINTVAL) New.
3384 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3385 * testsuite/gcc.dg/20060801-1.c: New.
3387 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3390 * c-typeck.c (build_external_type): Mark used enum types.
3391 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3393 (gen_subprogram_die): Whitespace fix.
3395 2006-08-01 Jan Hubicka <jh@suse.cz>
3397 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3398 bitmap when not needed.
3399 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3402 2006-08-01 Dirk Mueller <dmueller@suse.de>
3404 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3406 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3408 * Makefile.in: Revert part of previous patch:
3409 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3412 2006-07-30 Eric Christopher <echristo@apple.com>
3415 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3416 (PowerPC Variable Attributes): New section.
3418 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3420 PR target/28126 (partial fix)
3421 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3423 2006-07-28 Jan Hubicka <jh@suse.cz>
3425 PR rtl-optimization/28071
3426 * cfgrtl.c (rtl_delete_block): Free regsets.
3427 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3429 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3431 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3432 and variables used in dependencies.
3434 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3436 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3437 %fs for -mcmodel=kernel.
3438 (stack_tls_protect_test_di): Likewise.
3440 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3442 * Makefile.in: Use mkinstalldirs.
3444 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3447 * opts-common.c (prune_options): Skip joined switches.
3449 2006-07-27 Jan Hubicka <jh@suse.cz>
3451 PR rtl-optimization/28071
3452 * cselib.c (cselib_process_insn): Don't remove useless values too
3453 often for very large hashtables.
3455 2006-07-27 Jan Hubicka <jh@suse.cz>
3457 PR rtl-optimization/28071
3458 * global.c (greg_obstack): New obstack.
3459 (allocate_bb_info): Use it.
3460 (free_bb_info): Likewise.
3461 (modify_reg_pav): Likewise.
3463 2006-07-27 Roger Sayle <roger@eyesopen.com>
3465 * builtins.c (fold_fixed_mathfn): When long and long long are the
3466 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3467 functions to their lceil*, lfloor*, lround* and lrint* forms.
3469 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3472 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3474 (rev_branch_insn): Likewise.
3476 2006-07-27 Jan Hubicka <jh@suse.cz>
3478 PR rtl-optimization/28071
3479 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3480 (reg_set_in_bb, max_reg_computed): New static variables.
3481 (regmove_optimize): Free the new array.
3482 (fixup_match_1): Update call of reg_is_remote_constant_p.
3484 2006-07-26 Jan Hubicka <jh@suse.cz>
3486 PR tree-optimization/27882
3487 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3489 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3491 (cgraph_analyze_compilation_unit): Likewise.
3492 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3493 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3494 (cgraph_early_inlinine): Make order garbage collected.
3495 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3497 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3499 * dbxout.c (output_types_sort): Add a comment.
3500 (output_used_types): Free the VEC.
3502 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3504 * function.c (reorder_fix_fragments): Delete.
3505 (reorder_blocks): Don't call it.
3506 (reorder_blocks_1): Put all subblocks under the origin block.
3508 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3510 PR rtl-optimization/27907
3511 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3514 2006-07-25 Roger Sayle <roger@eyesopen.com>
3517 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3518 bar(x) check that bar's result type can represent all the values of T.
3520 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3522 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3524 2006-07-25 Nick Clifton <nickc@redhat.com>
3526 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3527 size_lookup[] array.
3528 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3529 (ggc_pch_count_object): Likewise.
3530 (ggc_pch_alloc_object): Likewise.
3531 (ggc_pch_write_object): Likewise.
3532 (init_ggc): Do not attempt to initialize entries in the
3533 size_lookup[] array for objects whose size is greater than than
3534 the length of the array.
3536 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3538 * dbxout.c (output_used_types_helper): Push queued types
3540 (output_types_sort): New.
3541 (output_used_types): Collect used types on a VEC and sort them
3544 2006-07-24 Richard Guenther <rguenther@suse.de>
3547 * cgraph.c (cgraph_remove_node): Do not check if dumps
3549 * cgraphunit.c (cgraph_optimize): Likewise.
3551 2006-07-24 Jan Hubicka <jh@suse.cz>
3553 PR rtl-optimization/28071
3554 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3555 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3556 splitting before first stmt.
3558 2006-07-24 Jan Hubicka <jh@suse.cz>
3560 PR rtl-optimization/28071
3561 * ipa-inline.c (update_caller_keys): Remove edges that
3562 are no longer inline candidates.
3564 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3567 * dbxout.c (output_used_types_helper, output_used_types): New.
3568 (dbxout_symbol): Call output_used_types.
3570 2006-07-23 Jan Hubicka <jh@suse.cz>
3574 * cgraph.c (cgraph_varpool_nodes): Export.
3575 (decide_is_variable_needed): Ignored "used" attribute in
3576 unit-at-a-time mode.
3577 * cgraph.h (cgraph_varpool_nodes): Declare.
3578 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3579 unit-at-a-time mode.
3581 2006-07-23 Roger Sayle <roger@eyesopen.com>
3584 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3585 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3586 the __gthrw form of thr_keycreate.
3587 (__gthread_key_delete): Silence the unused argument warning.
3589 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3592 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3593 Cache the last found '\0' marker to avoid quadratic behavior.
3595 2006-07-23 Jan Hubicka <jh@suse.cz>
3597 * i386.md (subsi_3_zext): Fix output template.
3599 2006-07-21 Mike Stump <mrs@apple.com>
3601 * doc/invoke.texi (C++ Dialect Options): Note that
3602 -fvisibility-inlines-hidden doesn't affect explicitly
3603 instantiationed inline methods.
3605 2006-07-20 Roger Sayle <roger@eyesopen.com>
3607 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3608 if the target assembler is GNU binutils' gas.
3609 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3610 whether to pass GNU gas or native as command line options.
3612 2006-07-20 Jason Merrill <jason@redhat.com>
3614 * tree.c (remove_attribute): New fn.
3615 * tree.h: Declare it.
3617 2006-07-20 Paul Brook <paul@codesourcery.com>
3620 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3621 they are invalidated by this instruction.
3623 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3626 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3628 2006-07-20 Eric Christopher <echristo@apple.com>
3631 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3633 2006-07-19 Eric Christopher <echristo@apple.com>
3635 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3636 Rewrite dependencies for libgcc_s.1.dylib.
3638 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3640 * except.c (duplicate_eh_regions_1): Clear next_peer.
3642 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3644 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3645 -mlongcall does not guarantee all calls will be long.
3646 * doc/extend.texi (long_call/short_call): Document that longcall
3647 does not guarantee a long call will be used.
3648 (longcall/shortcall): Likewise.
3650 2006-07-18 Roger Sayle <roger@eyesopen.com>
3653 * expmed.c (expand_shift): Additionally check that the shift_cost
3654 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3655 before implementing a LSHIFT_EXPR as a sequence of additions.
3656 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3657 middle-end that DImode shifts need to be synthesized by expand.
3659 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3662 * tree-ssa-operands.c (access_can_touch_variable): Update
3664 Return true if ALIAS is .GLOBAL_VAR.
3666 2006-07-18 David Daney <ddaney@avtrex.com>
3668 * gcc.c (display_help): Fix typo in help text.
3670 2006-07-18 Olivier Hainque <hainque@adacore.com>
3672 * tree.h (categorize_ctor_elements): Adjust prototype and add
3673 descriptive comment, both in accordance with the interface change
3675 * varasm.c (constructor_static_from_elts_p): New function.
3676 Whether a constructor node is a valid static constant initializer
3677 if all its elements are.
3678 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3679 * output.h: Declare it.
3680 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3681 is a valid constant initializer instead of computing the number of
3682 non-constant elements. Use constructor_static_from_elts_p for this
3683 purpose. Replace the head comment with an indication that this is a
3684 helper for categorize_ctor_elements.
3685 (categorize_ctor_elements): Same interface change as for the _1
3686 helper. Former head comment from this helper moved here, adjusted to
3687 account for the interface changes.
3688 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3689 (all_zeros_p): Likewise.
3690 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3691 static versions of the constructor from the categorize_ctor_elements
3692 return value instead of the formerly computed number of non-constant
3695 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3697 * configure: Regenerate.
3698 * Makefile.in (build_libsubdir): New configure substitution
3699 (build_libobjdir): New variable.
3700 (BUILD_LIBIBERTY): Use it.
3702 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3705 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3707 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3710 * c-common.c (handle_weakref_attribute): Ignore attribute in
3711 the same conditions the alias attribute is ignored.
3713 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
3715 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
3716 (dbxout_begin_prologue): Increment scope_labelno.
3718 2006-07-17 Richard Henderson <rth@redhat.com>
3721 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
3724 2006-07-17 Roger Sayle <roger@eyesopen.com>
3725 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3727 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
3728 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
3729 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
3730 functions such as sbrk, write, etc.. Add function prototypes.
3731 Convert function declarations from K&R to ISO C. Cast pointers
3732 to "long" and "unsigned long" instead of "int" and "unsigned int".
3733 Convert tokens following #endif into comments.
3735 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3737 * invoke.texi: Remove mention of f77; Reformat table for
3738 inline parameter options correctly; mention that -malign-double
3739 is default on x86-64 targets.
3741 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3743 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3744 (convert_affine_scev, chrec_convert_aggressive): Use
3745 avoid_arithmetics_in_type_p. Do not check for the subtypes
3748 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3751 * optabs.c (expand_doubleword_shift): Wrap the call to
3752 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3754 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3757 * optabs.c (expand_binop): Pass next_methods rather than methods
3758 to expand_doubleword_shift.
3760 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3763 * tree.h (dump_addr): Declare.
3764 * print-tree.c (dump_addr): New function.
3765 (print_node_brief, print_node): Use it.
3766 * print-rtl.c (print_rtx): Likewise.
3767 * common.opt (-fdump-noaddr): New option.
3768 * doc/invoke.texi (-fdump-noaddr): Document.
3769 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3770 (ve_info_hash): Likewise.
3772 2006-07-13 Andrew Haley <aph@redhat.com>
3774 PR tree-optimization/19505
3775 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3776 edge leaving this block, make sure that the destination of this
3777 block has only one predecessor.
3779 2006-07-17 Richard Guenther <rguenther@suse.de>
3781 PR tree-optimization/28238
3782 * tree-inline.c (copy_bb): Check if we produced valid
3783 gimple copying and substituting a stmt. If not, gimplify
3786 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3788 * optabs.c (maybe_encapsulate_block): New function extracted from...
3789 (emit_libcall_block): ...here. Invoke it on the block of insns to
3790 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3791 (emit_no_conflict_block): Likewise.
3793 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3795 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
3797 2006-07-15 Roger Sayle <roger@eyesopen.com>
3799 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
3800 a new NOP_EXPR case of the switch statement.
3802 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
3805 * stor-layout.c (place_field): Take the bit field with
3806 an excessive size into account in the ms-bitfiled case.
3809 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
3810 the previous bit field.
3812 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
3815 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
3817 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
3819 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
3820 signal frames correctly even when the signal was installed with
3823 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
3825 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
3826 (dbxout_function_end): Use local label LFBB. Remove hook
3828 (dbxout_source_line): Use local label LFBB.
3829 (dbxout_block): Likewise.
3830 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
3831 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
3832 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
3833 and DBX_OUTPUT_NFUN.
3835 2006-07-13 Janis Johnson <janis187@us.ibm.com>
3837 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
3839 2006-07-13 Jan Hubicka <jh@suse.cz>
3841 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
3843 * output.h (align_variable): Declare.
3844 * varasm.c (align_variable): Export.
3845 * value-prof.c (tree_value_profile_transformations): Recompute iterator
3846 when basic block changed.
3848 2006-07-13 Nick Clifton <nickc@redhat.com>
3850 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
3851 walking the LOG_LINKS chain.
3853 2006-07-12 Geoffrey Keating <geoffk@apple.com>
3855 * doc/invoke.texi (C++ Dialect Options): Explain difference
3856 between -fvisibility-inlines-hidden and setting hidden
3857 visibility explicitly.
3859 2006-07-12 Eric Christopher <echristo@apple.com>
3861 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
3862 (stmp-lipo): Depend on libgcc.a.
3864 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
3866 * tree.c: Fix a comment typo.
3868 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
3870 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
3872 (umulhisi3_r): Likewise.
3874 2006-07-12 Paolo Carlini <pcarlini@suse.de>
3877 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
3878 x < 19, vs wchar_t support.
3880 2006-07-12 Nick Clifton <nickc@redhat.com>
3882 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
3883 instead of -isa=sh4.
3885 2006-07-12 Mike Stump <mrs@apple.com>
3887 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
3889 2006-07-10 Eric Christopher <echristo@apple.com>
3891 * config/t-slibgcc-darwin: Rewrite.
3893 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3896 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
3899 2006-07-08 Matthias Klose <doko@debian.org>
3901 * doc/sourcebuild.texi: Fix typo.
3903 2006-07-07 Mike Stump <mrs@apple.com>
3905 * toplev.c (process_options): Don't give -ffunction-sections may
3906 affect debugging warning for Mach-O.
3908 2006-07-07 James E Wilson <wilson@specifix.com>
3910 * config/mips/mips.md (cpu): Add sb1a.
3911 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
3912 addition to sb1. Adjust comments to clarify SB-1A differences from
3914 (ir_sb1a_load): New. Modify bypasses to use it.
3915 (ir_sb1a_simple_alu): Likewise.
3916 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
3917 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
3918 (mips_issue_rate): Add PROCESSOR_SB1A.
3919 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
3920 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
3921 (TARGET_SB1): Add PROCESSOR_SB1A check.
3922 (TUNE_SB1): Likewise.
3924 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
3925 * config/mips/mips.c (mips_store_data_bypass_p): New.
3926 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
3927 store_data_bypass_p.
3929 2006-07-08 Paul Brook <paul@codesourcery.com>
3932 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
3934 2006-07-07 Richard Guenther <rguenther@suse.de>
3937 * tree.h (build_one_cst): Declare.
3938 * tree.c (build_one_cst): New function.
3939 * tree-ssa-math-opts.c (get_constant_one): Remove.
3940 (insert_reciprocals): Use build_one_cst.
3941 * fold-const.c (fold_plusminus_mult): Likewise.
3943 2006-07-07 Roger Sayle <roger@eyesopen.com>
3945 * pointer-set.c (pointer_set_destroy): Correct whitespace.
3946 * cfgloopanal.c (dump_graph): Likewise.
3947 * dojump.c (discard_pending_stack_adjust): Likewise.
3948 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
3950 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
3951 * function.c (finalize_block_changes): Likewise.
3952 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
3953 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
3954 * rtl.c (dump_rtx_statistics): Likewise.
3955 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
3957 * varray.c (dump_varray_statistics): Likewise.
3958 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
3959 decode_decimal64, encode_decimal128, decode_decimal128,
3960 decimal_real_to_decimal): Likewise.
3962 2006-07-07 Richard Guenther <rguenther@suse.de>
3964 PR tree-optimization/28187
3965 * tree-vrp.c (vrp_operand_equal_p): New function.
3966 (vrp_bitmap_equal_p): Likewise.
3967 (update_value_range): Use them to compare old and new
3970 2006-07-06 Roger Sayle <roger@eyesopen.com>
3972 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
3973 a default case to switch statement to silence compiler warnings.
3975 2006-07-06 Roger Sayle <roger@eyesopen.com>
3978 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
3979 the configured assembler supports the x87's ffreep mnemonic.
3980 * configure: Regenerate.
3981 * config.in: Regenerate.
3983 * config/i386/i386.c (output_387_ffreep): New function.
3984 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
3985 (output_387_reg_move): Likewise.
3987 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
3989 Port to hosts whose 'sort' and 'tail' implementations
3990 treat operands with leading '+' as file names, as POSIX
3991 has required since 2001. However, make sure the code still
3992 works on pre-POSIX hosts.
3993 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
3994 which says you should use "tail -c +N" rather than "tail +Nc".
3995 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
3997 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
3999 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4002 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4005 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4006 PRE_{INC,DEC} of TFmode.
4008 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4009 Alan Modra <amodra@bigpond.net.au>
4012 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4015 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4018 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4019 Remove duplicate gtu.
4021 2006-07-05 Jason Merrill <jason@redhat.com>
4025 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4026 * c-common.c (handle_packed_attribute): So don't copy it here.
4027 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4029 2006-07-05 Mike Stump <mrs@apple.com>
4031 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4033 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4036 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4038 2006-07-05 Richard Guenther <rguenther@suse.de>
4041 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4042 TARGET_SSE2 targets if using SSE math.
4043 (*absdf2_1): Likewise.
4045 2006-07-05 Richard Guenther <rguenther@suse.de>
4047 PR tree-optimization/28162
4048 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4049 make sure to convert the operands to the correct type.
4051 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4053 PR tree-optimization/28218
4055 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4056 to calculate and free the dominator information.
4058 2006-07-04 Peter O'Gorman <peter@pogma.com>
4060 * mklibgcc.in: chmod 644 before ranlib during install.
4062 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4063 J"orn Rennecke <joern.rennecke@st.com>
4065 * configure.ac (.eh_frame data check): Use diff -b.
4067 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4070 * Makefile.in (BUILD_RTL): Add build/vec.o.
4071 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4072 (build/genextract): Delete.
4073 (build/genautomata): Likewise.
4075 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4078 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4079 128-bit IBM long doubles for ABI_V4.
4081 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4083 * tree.c (range_in_array_bounds_p): New predicate.
4084 * tree.h (range_in_array_bounds_p): Declare it.
4085 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4086 return a less conservative answer.
4087 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4088 and flag 'is_group'.
4089 (IS_ELEMENT_FOR_GROUP): New macro.
4090 (FOR_EACH_ACTUAL_CHILD): Likewise.
4091 (next_child_for_group): New helper function.
4092 (can_completely_scalarize_p): Take into account groups.
4093 (sra_hash_tree): Handle RANGE_EXPR.
4094 (sra_elt_eq): Likewise.
4095 (lookup_element): Be prepared for handling groups.
4096 (is_valid_const_index): Delete.
4097 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4098 instead of is_valid_const_index.
4099 <ARRAY_RANGE_REF>: New case.
4100 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4101 is_valid_const_index.
4102 <ARRAY_RANGE_REF>: Do not unconditionally punt.
4103 (scan_dump): Dump info for groups too.
4104 (decide_instantiation_1): Likewise.
4105 (decide_block_copy): Assert that the element is not a group.
4106 Propagate decision to groups.
4107 (generate_one_element_ref): Handle RANGE_EXPR.
4108 (mark_no_warning): Iterate over actual childs.
4109 (generate_copy_inout): Likewise.
4110 (generate_element_copy): Likewise.
4111 (generate_element_zero): Likewise.
4112 (generate_element_init_1): Likewise.
4113 (dump_sra_elt_name): Handle RANGE_EXPR.
4115 2006-07-03 Roger Sayle <roger@eyesopen.com>
4117 PR tree-optimization/26251
4118 * tree-ssa-threadupdate.c (redirection_block_p): New function.
4119 (thread_block): When optimizing for size refuse to thread jumps
4120 that would require duplication of blocks other than redirection
4123 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4125 * configure.ac: Fix thinko in previous check-in.
4126 * configure: Regenerate.
4128 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4131 * configure.ac (for lang...): Simplify nesting of conditionals.
4132 Test subdir_requires for non-enabled languages. Move processing
4133 of lang_opt_files and lang_tree_fiels below that test.
4134 * configure: Regenerate.
4135 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4137 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4139 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4141 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4143 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4146 2006-06-29 Jason Merrill <jason@redhat.com>
4153 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4154 * c-common.c (c_determine_visibility): Handle it here.
4155 * c-decl.c (finish_decl): Call c_determine_visibility for
4157 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4159 * varasm.c (default_assemble_visibility): Likewise.
4160 * c-common.c (handle_visibility_attribute): Complain about trying
4161 to give visibility to an already defined class, or trying to change
4162 declared visibility. Always attach the attribute.
4167 * attribs.c (decl_attributes): Ignore type-in-place attributes
4168 once the type has been defined.
4170 2006-06-29 Roger Sayle <roger@eyesopen.com>
4173 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4174 to indicate the cpplib has issued an error message for us.
4176 2006-06-29 Asher Langton <langton2@llnl.gov>
4179 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4180 insert a label at the end of an function under Mach-O.
4182 2006-06-29 Eric Christopher <echristo@apple.com>
4183 Evan Cheng <evan.cheng@apple.com>
4185 * predicates.md (vector_all_ones_operand): New.
4186 (nonimmediate_or_sse_const_operand): Ditto.
4187 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4188 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4189 (standard_sse_mode_p): Ditto.
4190 (standard_sse_constant_p): Add case for -1 vector.
4191 (ix86_expand_vector_move): Try to use.
4192 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4193 Call standard_sse_constant_opcode.
4194 (*movv4sf_internal): Ditto.
4195 (*movv2df_internal): Ditto.
4197 2006-06-29 Roger Sayle <roger@eyesopen.com>
4199 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4200 of XEXP to extract the operands of a MATCH_CODE rtx.
4202 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4204 * tree.c (tree_size): Do not waste tail padding in
4205 struct tree_string and make the size be the same as
4206 build_string will generate.
4208 2006-06-28 Jason Merrill <jason@redhat.com>
4211 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4212 may_aliases already in the tag's annotations to the bitmap.
4214 2006-06-28 Roger Sayle <roger@eyesopen.com>
4216 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4218 2006-06-28 Roger Sayle <roger@eyesopen.com>
4220 * genpreds.c (generate_switch_p): New function.
4221 (add_mode_tests): Push the new mode test down inside an AND expr
4222 if this allows the switch-suitable MATCH_CODE to be near the root.
4223 (write_match_code_switch): New function to write a MATCH_CODE as
4225 (write_predicate_stmts): New function to write a predicate RTX
4226 expression as a sequence of statements.
4227 (write_one_predicate_function): Use write_predicate_stmts.
4228 (write_tm_constrs_h): Likewise.
4230 2006-06-26 Fred Fish <fnf@specifix.com>
4232 * config/mips/t-sb1: New file.
4233 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4236 2006-06-26 DJ Delorie <dj@redhat.com>
4238 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4240 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4241 Jayant Sonar <jayants@kpitcummins.com>
4242 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4244 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4245 (subsi3, subsi3_1, subsi3_2): New.
4246 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4247 * config/m32c/mov.md (SI mov peephole): New.
4248 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4249 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4251 2006-06-26 Olivier Hainque <hainque@adacore.com>
4253 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4254 a CALL_EXPR target function declaration.
4256 2006-06-26 Richard Guenther <rguenther@suse.de>
4258 * tree.c (build_string): Do not waste tail padding in
4261 2006-06-26 Richard Guenther <rguenther@suse.de>
4263 * ggc-page.c (init_ggc): Add missing element to size_lookup
4267 2006-06-23 Richard Guenther <rguenther@suse.de>
4269 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4270 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4271 alignment requests instead. Add verification code.
4272 Add struct tree_function_decl and struct tree_binfo size to
4273 extra_order_size_table. Add missing element to size_lookup
4276 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4279 * fold-const.c (const_binop): Be prepared for self returning zero.
4280 Simplify code handling complex values.
4282 2006-06-24 Olivier Hainque <hainque@adacore.com>
4284 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4285 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4288 2006-06-24 Olivier Hainque <hainque@adacore.com>
4290 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4291 ARRAY_REF, so have the callback called for the low bound expression.
4293 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4295 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4296 * c-typeck.c (c_common_type): Disallow operations on decimal float
4297 types and other float types.
4298 * convert.c (convert_to_real): Don't ignore conversions involving
4299 decimal float types.
4301 2006-06-23 Olivier Hainque <hainque@adacore.com>
4303 * tree.c (max_int_size_in_bytes): New function, inspired from
4304 code in function.c:assign_temp.
4305 * tree.h (max_int_size_in_bytes): Declare.
4306 * function.c (assign_temp): Use it.
4307 * gimplify.c (create_tmp_var): Relax the assertions on the type
4308 properties, not mandating constant size any more.
4309 (force_constant_size): New static function.
4310 (gimple_add_tmp_var): Use it, forcing variable size to a
4311 constant upper bound if it is not constant on entry.
4313 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4316 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4317 for initialization and setting of one_only flag to ...
4318 (i386_pe_encode_section_info): ...here.
4319 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4320 Recheck that the symbol has not been defined.
4322 2006-06-23 Richard Guenther <rguenther@suse.de>
4324 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4325 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4326 alignment requests instead. Add verification code.
4327 Add struct tree_function_decl and struct tree_binfo size to
4328 extra_order_size_table. Add missing element to size_lookup
4331 2006-06-22 Roger Sayle <roger@eyesopen.com>
4332 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4335 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4336 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4338 2006-06-23 Ben Elliston <bje@au.ibm.com>
4340 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4341 negate dn -- manipulate it directly.
4343 2006-06-22 Roger Sayle <roger@eyesopen.com>
4344 Steven Bosscher <stevenb.gcc@gmail.com>
4347 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4348 generated by gen_move_insn to add REG_LABEL notes if necessary.
4350 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4352 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4353 (leaf_entry): Remove use of MIN_ESA.
4355 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4357 PR rtl-optimization/28121
4358 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4361 2006-06-21 DJ Delorie <dj@redhat.com>
4363 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4365 (mulhisi3_r): Likewise.
4367 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4370 * coverage.c (coverage_counter_alloc): Leave the index type
4372 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4375 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4377 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4378 section from the "Options for Code Generation Conventions".
4380 2006-06-21 Richard Henderson <rth@redhat.com>
4384 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4386 (global_symbolic_operand): Allow weak symbols, even if local_p.
4388 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4390 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4391 (find_interesting_uses_address): Punt if above function returns true.
4393 2006-06-21 Richard Guenther <rguenther@suse.de>
4395 * configure: Regenerated.
4397 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4399 * config/mips/mips.c (function_arg): Where one part of a
4400 complex argument is in registers and the other part in the stack,
4401 return a REG not a PARALLEL.
4403 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4405 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4406 when cross-compiling. Do not substitute libstdcxx_incdir.
4407 * configure: Regenerated.
4409 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4411 * varasm.c (mergeable_string_section): Check for embedded NULs and
4412 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4413 rather than TREE_STRING_LENGTH bytes.
4415 2006-06-21 Richard Guenther <rguenther@suse.de>
4417 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4418 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4421 2006-06-21 Richrad Guenther <rguenther@suse.de>
4423 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4424 Limit iteration over the dominators.
4426 2006-06-20 Roger Sayle <roger@eyesopen.com>
4428 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4429 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4431 2006-06-20 Richard Guenther <rguenther@suse.de>
4432 Michael Matz <matz@suse.de>
4434 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4436 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4437 * et-forest.h (et_free_pools): Prototype new function.
4438 * et-forest.c (et_free_tree_force): Free parent occurrence.
4439 (et_free_pools): New function.
4440 * dominance.c (free_dominance_info): Free et-forest alloc
4443 2006-06-20 Roger Sayle <roger@eyesopen.com>
4445 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4446 integer modes, attempt to directly construct an integer constant.
4448 * fold-const.c (native_encode_vector): Determine the size of each
4449 element from the vector type instead of the first vector element.
4451 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4452 if all of its elements/components are constant.
4453 (build_constructor_from_list): Likewise.
4455 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4457 PR tree-optimization/27331
4458 * tree-data-ref.c (free_data_ref): New function.
4459 (create_data_ref): Fail if the data reference has unknown access
4461 (free_data_refs): Use free_data_ref.
4463 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4466 * tree-inline.c (setup_one_parameter): Strip useless
4467 type conversion before adding it to the IR.
4468 (declare_return_variable): Likewise.
4470 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4473 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4475 2006-06-19 Mike Stump <mrs@apple.com>
4477 * tree.c (variably_modified_type_p): VM arguments don't make the
4480 2006-06-19 Richard Guenther <rguenther@suse.de>
4482 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4483 type conversions after folding.
4485 2006-06-19 Richard Guenther <rguenther@suse.de>
4487 * ggc-page.c (extra_order_size_tab): Add entries with
4488 size of struct function and basic_block.
4489 (size_lookup): Extend to cover sizes up to 511.
4490 (ggc_alloc_stat): Adjust user.
4491 (ggc_pch_count_object): Likewise.
4492 (ggc_pch_alloc_object): Likewise.
4493 (ggc_pch_write_object): Likewise.
4495 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4497 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4498 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4501 2006-06-19 Denis Chertykov <denisc@overta.ru>
4503 * config/avr/libgcc.S : Correct my wrong previous commit.
4505 2006-06-19 Roger Sayle <roger@eyesopen.com>
4508 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4509 have stripped a SUBREG from the shift count, so we may need to
4510 convert_to_mode back to the type's mode before calling make_tree.
4511 Use new_amount instead of amount to avoid expanding a tree twice.
4513 2006-06-19 Richard Guenther <rguenther@suse.de>
4516 * fold-const.c (operand_equal_p): Check if the argument types
4517 have the same precision before stripping NOPs.
4519 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4521 Fix PR tree-optimization/27341
4522 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4524 * tree-complex.c (pass_lower_complex): Update SMT usage.
4526 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4528 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4529 Add a new alternative to the constraint strings. Add move of
4530 operand 1 to 3 to the splitter definition.
4531 ("doloop_si_long"): Second contraint alternative removed.
4533 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4535 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4536 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4538 (AVR_HAVE_MOVW) Define.
4539 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4540 (ASM_SPEC): Add avr25.
4541 (LINK_SPEC): Add avr25.
4542 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4543 (base_arch_s): Add new member 'have_movw_lpmx'.
4544 (avr_arch_types): Init 'have_movw_lpmx'.
4545 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4546 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4547 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4548 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4549 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4551 (avr_file_start): Do not output '.arh' derective.
4552 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4553 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4554 * config/avr/avr.md (mcu_enhanced): Delete.
4555 (mcu_have_movw): Define.
4556 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4557 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4558 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4559 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4560 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4561 attiny861 and at86rf401 devices.
4563 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4565 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4568 2006-06-17 Karl Berry <karl@gnu.org>
4570 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4571 doc/gccint.texi, doc/install.texi (@dircategory): Use
4572 "Software development" instead of "Programming", following
4573 the Free Software Directory.
4575 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4577 * config/i386/i386.c (legitimate_tls_address)
4578 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4579 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4580 (*tls_dynamic_gnu2_combine_64): Likewise.
4582 2006-06-16 Richard Guenther <rguenther@suse.de>
4585 * fold-const.c (negate_expr_p): Do not introduce undefined
4586 overflow in negating INTEGER_CSTs.
4587 (fold_negate_expr): Rename from negate_expr. Revert last
4588 change for folding BIT_NOT_EXPR. Change semantics to
4589 return NULL_TREE for non-simplified negations. Do not
4590 strip type conversions and unify type handling.
4591 (negate_expr): New function, wrap around fold_negate_expr
4592 but ensure building a tree always. Strip type conversions
4593 here, fold to result type.
4594 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4596 2006-06-16 Roger Sayle <roger@eyesopen.com>
4599 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4600 that (would) return their results in stack registers.
4602 2006-06-16 Michael Matz <matz@suse.de>
4603 Richard Guenther <rguenther@suse.de>
4605 * fold-const.c (fold_truthop): Only return new tree node if
4606 we canonicalized something.
4608 2006-06-16 Richard Guenther <rguenther@suse.de>
4610 * function.h (enum function_frequency): Move declaration
4611 out of struct function.
4612 (struct function): Move bool fields and the enum to the bitfield
4613 section. Reorder elements to avoid padding. Remove unused
4614 fields left over from the RTL inliner removal.
4615 * function.c (free_after_compilation): Do not zero removed fields.
4616 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4617 (ipa-type-escape.o): Likewise.
4619 2006-06-16 Richard Guenther <rguenther@suse.de>
4621 * cgraph.h (struct cgraph_local_info): Turn bool elements
4623 (struct cgraph_node): Likewise.
4624 (struct cgraph_varpool_node): Likewise.
4626 2006-06-15 Richard Guenther <rguenther@suse.de>
4628 * fold-const.c (fold_truth_not_expr): Rename from
4629 invert_truthvalue. Give it fold_* semantics to avoid
4631 (invert_truthvalue): New function. Wrapper around
4632 fold_truth_not_expr.
4633 (optimize_minmax_comparison): Avoid creating garbage.
4634 (fold_unary): Use fold_truth_not_expr for folding
4636 (fold_ternary): Replace uses of invert_truthvalue with
4637 fold_truth_not_expr where applicable.
4638 * tree.h (fold_truth_not_expr): Prototype.
4640 2006-06-16 Richard Guenther <rguenther@suse.de>
4642 PR tree-optimization/27781
4643 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4644 * ipa-pure-const.c (target.h): Include.
4645 (analyze_function): Do not analyze functions that do not
4648 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4651 * tree-dfa.c (referenced_vars_dup_list): Remove.
4652 (find_referenced_vars): Remove assert.
4653 (referenced_var_check_and_insert): Replace dup list with assert.
4654 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4655 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4657 2006-06-15 Richard Guenther <rguenther@suse.de>
4659 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4660 extra unused identifiers if not dumping.
4661 (create_variable_info_for): Likewise.
4663 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4665 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4666 (derive_constant_upper_bound): Derive more precise upper bound in
4667 common cases. Return type changed to double_int.
4668 (record_estimate): Reflect the changed return type of
4669 derive_constant_upper_bound.
4670 * double-int.c (double_int_zext, double_int_sext): Fix.
4672 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4674 * configure.ac (CFLAGS): Get them from the toplevel or from the
4675 configure invocation.
4676 * configure: Regenerate.
4677 * Makefile.in (CFLAGS): Substitute value provided by configure.
4679 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4682 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4683 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4684 rather than calling add_stmt on it.
4685 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4687 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4690 * reload1.c (reload): Remove registers returned by update_eliminables
4691 from used_spill_regs.
4693 2006-06-13 DJ Delorie <dj@redhat.com>
4695 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4697 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4699 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4700 html__strip_dir, html__mkdir_p. Enhance install-html target.
4701 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4702 * configure: Regenerate.
4704 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4706 * fold-const.c (fold_cond_expr_with_comparison): Check for
4707 Objective-C++ as language in deciding COND_EXPR transformation.
4709 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
4712 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
4713 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
4714 * config/sh/lib1funcs.h (SL, SL1): Define.
4715 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
4716 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
4717 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
4718 (OBJS_Os_4_200): New variable.
4719 ($(T)libgcc-Os-4-200.a): Use it.
4720 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
4721 when dividing 1 and/or by 0.
4723 2006-06-13 Roger Sayle <roger@eyesopen.com>
4725 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
4726 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
4727 * configure: Regenerate.
4729 2006-06-13 Jie Zhang <jie.zhang@analog.com>
4731 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
4732 for real instruction.
4734 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4737 * haifa-sched.c (check_cfg): Handle special case.
4739 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4742 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4743 Add debug_info parameter. Chain the vars to the BLOCK instead
4744 of the BIND_EXPR if debug info are requested for them.
4745 (pop_gimplify_context): Adjust for above change.
4746 (gimple_add_tmp_var): Likewise.
4747 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4749 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4750 (convert_local_reference): Likewise.
4751 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4752 (finalize_nesting_tree_1): Request that debug info be emitted
4753 for debug_var_chain.
4755 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4757 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4758 for PR target/27863.
4760 2006-06-13 Richard Guenther <rguenther@suse.de>
4763 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4765 2006-06-13 Richard Guenther <rguenther@suse.de>
4767 PR tree-optimization/27830
4768 * tree-inline.c (copy_body_r): For copying the operand
4769 of an ADDR_EXPR make sure to fold &* afterwards.
4771 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4773 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4774 lvalues in the fb_none case with side-effects.
4776 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4778 * tree-flow.h: Remove the prototype for
4779 compute_phi_arg_on_exit.
4780 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4781 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4784 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4786 * builtins.c (expand_builtin_return_addr): Only use
4787 frame_pointer_rtx when count == 0 and we are expanding
4788 __builtin_return_address.
4790 2006-06-12 Fred Fish <fnf@specifix.com>
4792 * config/mips/mips.c (mips_file_start): Create special section
4793 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
4795 2006-06-11 Eric Christopher <echristo@apple.com>
4798 * stor-layout.c (place_field): Remove check for
4799 remaining_in_alignment when aligning at the end of a run.
4801 2006-06-11 Eric Christopher <echristo@apple.com>
4804 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
4807 2006-06-11 Roger Sayle <roger@eyesopen.com>
4810 Revert incorrect fix for PR target/27158
4811 2006-05-08 Roger Sayle <roger@eyesopen.com>
4812 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4813 of a reg_equiv_constant if the result is a legitimate constant.
4815 2006-06-11 Roger Sayle <roger@eyesopen.com>
4818 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
4819 extract a CONST_VECTOR element and interpret it as an integer.
4820 (vspltis_constant): Use const_vector_elt_as_int instead of the
4821 macro CONST_VECTOR_ELT in order to handle FP vector modes.
4822 * config/rs6000/predicates.md (easy_vector_const): Consider
4823 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
4825 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
4828 * stor-layout.c (update_alignment_for_field): Don't add extra
4829 alignment for packed non-bitfield fields in ms_bitfield_layout_p
4832 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
4834 * config/mips/t-rtems: Add EL/EB multilib variants.
4836 2006-06-09 Mike Stump <mrs@apple.com>
4838 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
4840 2006-06-09 David Daney <ddaney@avtrex.com>
4842 * doc/install.texi: Add binutils version recommendation for mips-*-*.
4844 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
4846 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
4848 2006-06-09 Richard Guenther <rguenther@suse.de>
4850 PR tree-optimization/26998
4851 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
4852 of signed types, only TYPE_MIN_VALUE is special, but for both,
4853 minimum and maximum value. Likewise VR_ANTI_RANGE is special
4854 in this case, as is -fwrapv.
4856 2006-06-08 Mike Stump <mrs@apple.com>
4859 * config/darwin.c (darwin_asm_output_anchor): Disable
4860 -fsection-anchors on darwin for now.
4861 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
4862 * rs6000/rs6000.c (optimization_options): Likewise.
4864 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4867 * config/i386/i386.c (classify_argument): Skip fields with invalid
4870 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
4872 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
4873 (cse_insn): Likewise for the stack_pointer_rtx.
4875 2006-06-08 Roger Sayle <roger@eyesopen.com>
4877 * tree-ssa-dom.c (record_conditions): Only record "unordered"
4878 conditions from floating point comparisons.
4880 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
4883 * expmed.c (struct alg_hash_entry): Fix type of field T
4884 to match synth_mult argument.
4885 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
4887 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4890 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
4893 2006-06-08 Richard Guenther <rguenther@suse.de>
4896 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
4897 only, if overflow is defined and not trapping.
4898 (negate_expr): Likewise.
4900 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4902 PR tree-optimization/27872
4903 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
4904 flag on the new exit edge of the unrolled loop.
4906 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4908 PR rtl-optimization/26449
4909 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
4911 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
4914 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
4915 referenced_variables with matching DECL_UID's.
4916 (find_referenced_vars): Make sure duplicate list is empty to start.
4917 (referenced_var_p): Remove.
4918 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
4919 Check if var is in the list, and add if needed. Update the duplicate
4920 list if a different var is in the list with the same DECL_UID.
4921 (add_referenced_var): Call routine to check and insert.
4922 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
4923 * tree-flow.h (referenced_vars_dup_list): External declaration.
4925 2006-06-07 Fred Fish <fnf@specifix.com>
4927 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
4930 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
4933 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
4934 the imaginary and real parts of a clobbered register.
4935 Emit insn to set the imaginary part.
4937 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
4939 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
4940 in lieu of unwind-dw2-fde.c.
4942 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4944 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
4946 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
4949 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
4950 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
4951 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
4952 V4SImode temporaries and operations instead.
4954 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
4956 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
4959 2006-06-06 Mike Stump <mrs@apple.com>
4961 * Makefile.in: Rename to htmldir to build_htmldir to avoid
4962 installing during build.
4964 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4966 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
4968 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4969 * config/ia64/ia64.c (params.h): New header.
4970 (ia64_optimization_options): New function to adjust parameters.
4971 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
4972 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
4973 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
4975 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
4977 * stor-layout.c (debug_rli): Fix a typo in a debug message.
4979 2006-06-05 Steve Ellcey <sje@cup.hp.com>
4982 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
4984 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
4985 Victor Kaplansky <victork@il.ibm.com>
4987 PR tree-optimization/26360
4988 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
4991 2006-06-04 Roger Sayle <roger@eyesopen.com>
4992 Andrew Pinski <pinskia@physics.uc.edu>
4995 * c-common.c (c_common_truthvalue_conversion): Explicitly check
4996 for LABEL_DECL before calling DECL_WEAK.
4999 * c-typeck.c (build_binary_op): Likewise, explicitly check for
5000 LABEL_DECL and PARM_DECL.
5002 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
5006 * c-decl.c (grokdeclarator): Disallow variably modified types at
5007 file scope. Avoid marking shared array type of constant size as
5010 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5013 * c-common.c (fold_offsetof_1): Handle static members.
5015 2006-06-04 Eric Christopher <echristo@apple.com>
5017 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5018 (debug_rli): Output value for remaining_in_alignment.
5019 (update_alignment_for_field): Unconditionalize
5020 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5021 extra alignment code.
5022 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5023 ms_bitfield_layout_p code. Rewrite handling of structure fields.
5024 * tree.h (record_layout_info_s): Remove prev_packed.
5025 * doc/extend.texi (ms_struct): Add documentation of format.
5027 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5029 * tree.h: Declare folding_initializer.
5030 * builtins.c (fold_builtin_constant_p): Give definite answer
5031 if folding inside an initializer.
5032 * fold-const.c: Define folding_initializer.
5033 (START_FOLD_INIT): Save and then set folding_initializer.
5034 (END_FOLD_INIT): Restore folding_initializer.
5036 2006-06-04 Richard Guenther <rguenther@suse.de>
5038 PR tree-optimization/27039
5039 * fold-const.c (fold_comparison): Handle pointer comparison
5040 again for all comparison codes. Compare offsets in signed
5042 (fold_binary): Move code from here.
5044 2006-06-03 Roger Sayle <roger@eyesopen.com>
5047 * config/i386/i386.c (construct_container): Split static issued_error
5048 flag into issued_sse_arg_error, issued_sse_ret_error and
5049 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5050 requires the use of x87 registers and the user explicitly
5051 specified the -mno-80387 command line option.
5053 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5055 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5056 HAVE_DECL_SIGALTSTACK.
5058 (segv_handler): Use MC_FLD.
5059 * configure.ac: Check for a sigaltstack declaration.
5060 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5061 * configure: Regenerate.
5062 * config.in: Regenerate.
5064 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5067 * Makefile.in (stmp-fixinc): Fix typo.
5069 2006-06-02 Roger Sayle <roger@eyesopen.com>
5071 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5072 are type correct. Clean-up.
5073 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5074 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5076 2006-06-01 DJ Delorie <dj@redhat.com>
5078 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5079 shift, as we've disabled the "switch" insn that needs it.
5081 2006-06-01 Per Bothner <bothner@bothner.com>
5083 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5084 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5085 * c-ppoutput.c (cb_define): Don't increment line 0.
5087 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
5089 * doc/invoke.texi: Add cpu_type power6.
5090 * config.gcc: Add cpu_type power6.
5091 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5092 to power5+ with Altivec.
5093 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5094 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5096 2006-05-30 Anatoly Sokolov <aesok@post.ru>
5098 * config/avr/avr.h (SET_ASM_OP): Define.
5100 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
5102 * config/bfin/bfin.c: Fix comment typos.
5104 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5107 * doc/install.texi: Document --enable-bootstrap and
5108 --disable-bootstrap.
5110 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5112 * doc/install.texi: Document that InfoZIP can replace jar.
5114 2006-05-31 Roger Sayle <roger@eyesopen.com>
5116 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5117 isn't available, directly generate the simpler x87 patterns without
5118 the (use (const_int 0)).
5119 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5120 implementation isn't available.
5121 (*negdf2_1): Likewise.
5122 (*negxf2_1): XF mode negation is always done using the x87.
5123 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5125 2006-05-31 Roger Sayle <roger@eyesopen.com>
5127 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5128 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5130 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5132 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5134 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5135 * config/bfin/bfin.c (basic-block.h): Include.
5136 (struct machine_function): New.
5137 (bfin_init_machine_status): New.
5138 (override_options): Initialize init_machine_status.
5139 (bfin_hardware_loop): New.
5140 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5141 (DEF_VEC_P (loop_info)): New.
5142 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5143 (struct loop_info): New.
5144 (loop_info): New typedef.
5145 (struct loop_work): New.
5146 (loop_work): New typedef.
5147 (DEF_VEC_O (loop_work)): New.
5148 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5149 (bfin_dump_loops): New.
5150 (bfin_bb_in_loop): New.
5151 (bfin_scan_loop): New.
5152 (bfin_optimize_loop): New.
5153 (bfin_reorg_loops): New.
5154 (bfin_reorg): Use bfin_reorg_loops.
5155 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5157 (I_REGNO_P): Simplify.
5158 (DP_REGNO_P, DPREG_P): New macros.
5159 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5160 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5161 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5162 Add LT_REGS, LC_REGS, LB_REGS.
5163 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5165 (REGNO_REG_CLASS): Deal with loop registers.
5166 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5168 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5169 New constants for loop registers.
5170 (UNSPEC_LSETUP_END): New.
5171 (seq_insns): New define_attr. Set it for appropriate insns.
5172 (movsi_insn): Add alternatives for move from/to
5173 loop count registers.
5174 (doloop_end): New define_expand.
5175 (loop_end): New define_insn.
5176 (define_split for bad doloop_end): New.
5177 (lsetup_with_autoinit): New define_insn.
5178 (lsetup_without_autoinit): New define_insn.
5179 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5180 * config/bfin/predicates.md (lc_register_operand): New.
5181 (lt_register_operand): New.
5182 (lb_register_operand): New.
5183 (nondp_register_operand): New.
5184 (nondp_reg_or_memory_operand): New.
5185 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5187 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5189 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5190 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5192 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5194 * Makefile.in (CATALOGS): Add po/ prefix.
5195 * configure: Regenerated.
5197 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5200 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5201 a shift operand before calling shift_op. Avoid redundant call of
5204 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5205 DJ Delorie <dj@redhat.com>
5207 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5208 we're inserting is a singlt-bit constant.
5210 2006-05-30 Roger Sayle <roger@eyesopen.com>
5212 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5213 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5215 2006-05-30 Roger Sayle <roger@eyesopen.com>
5217 PR tree-optimization/23452
5218 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5219 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5220 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5221 complex values and with -ffast-math for FP complex values.
5223 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5225 * c-common.h: Remove the prototype for yyparse.
5226 * rtl.h: Remove the prototype for init_loop.
5228 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5230 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5233 2006-05-30 Roger Sayle <roger@eyesopen.com>
5235 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5237 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5238 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5240 2006-05-30 Dirk Mueller <dmueller@suse.de>
5243 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5244 for CONSTANT_CLASS_P expresisons.
5246 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5249 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5251 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5253 PR tree-optimization/27779
5254 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5255 initial_condition instead of CHREC_LEFT.
5257 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5259 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5260 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5261 Make prototypes ISO C90.
5263 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5264 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5266 * see.c (see_analyze_one_def): Correct check.
5267 (see_get_extension_data): Check if extension is parallel.
5268 (see_get_extension_reg): Likewise.
5270 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5273 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5274 into register for (code == GTU).
5276 2006-05-29 Roger Sayle <roger@eyesopen.com>
5278 PR tree-optimization/24964
5279 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5280 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5281 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5282 abs(x)*abs(x) as x*x for scalar floating point modes.
5284 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5287 * lambda-code.c (perfect_nestify): Don't copy statements
5288 in the inner loop: move them to the inner loop header.
5290 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5293 * c-tree.texi: Document OpenMP directives and clauses.
5295 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5297 * varasm.c (globalize_decl): Fix indentation.
5299 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5302 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5303 pass_fre, pass_store_ccp, pass_copy_prop,
5304 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5305 pass_return_slot, pass_object_size, pass_lim,
5306 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5307 pass_loop_prefetch and pass_stdarg.
5309 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5311 * config/bfin/bfin.opt (mfdpic): New option.
5312 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5313 (EXTRA_MULTILIB_PARTS): Likewise.
5314 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5315 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5317 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5318 (CRT_CALL_STATIC_FUNCTION): New.
5319 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5321 (CRT_CALL_STATIC_FUNCTION): New.
5322 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5324 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5325 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5326 (initialize_trampoline): Changed to handle FD-PIC code generation.
5327 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5328 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5329 (override_options): Disallow -mid-shared-library -mfdpic combination.
5330 Can't do unaligned ops if FD-PIC.
5331 Turn off flag_pic if trying to generate non-id-shared-library
5332 non-fdpic code, since it's not supported.
5333 (bfin_assemble_integer): New function.
5334 (TARGET_ASM_INTEGER): Define.
5335 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5337 * config/bfin/crtn.s: Restore them.
5338 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5340 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5341 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5342 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5343 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5344 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5346 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5347 FDPIC_REGS and FDPIC_FPTR_REGS.
5348 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5349 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5350 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5351 (load_funcdescsi): New pattern.
5352 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5353 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5354 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5356 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5358 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5361 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5363 * tree-flow.h: Remove the prototype for add_type_alias.
5364 * tree-ssa-alias.c (add_type_alias): Remove.
5366 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5368 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5369 config/fr30/fr30.md, config/i386/i386-interix.h,
5370 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5371 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5372 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5373 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5374 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5375 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5376 Follow spelling conventions.
5377 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5378 Follow spelling conventions.
5380 2006-05-27 Richard Guenther <rguenther@suse.de>
5383 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5384 to produce a constant of value 1 of generic type.
5386 2006-05-27 Dirk Mueller <dmueller@suse.de>
5388 * cgraphunit.c (decide_is_function_needed): Fix wrong
5391 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5393 PR rtl-optimization/27661
5394 * reload.c (find_reloads): When reloading a VOIDmode constant
5395 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5396 use Pmode as mode of the reload register.
5398 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5400 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5401 is enabled at -O and above.
5403 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5406 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5409 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5412 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5413 for anonymous variables explicitly declared by front ends.
5415 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5417 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5418 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5419 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5420 ref-all pointers, run a finalization pass for them.
5421 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5422 (finalize_ref_all_pointers): New function.
5423 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5424 regular pointer type to a ref-all pointer type.
5425 (get_tmt_for): Return the special memory tag for ref-all pointers.
5427 2006-05-25 Richard Guenther <rguenther@suse.de>
5430 * fold-const.c (fold_binary): Do not look at the stripped
5431 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5433 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5435 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5436 for LT and GT if the computed range is effectively empty.
5438 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5441 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5442 mips_quad_format formats instead of ieee_single_format,
5443 ieee_double_format and ieee_quad_format formats, respectively.
5445 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5447 PR tree-optimization/27639
5448 PR tree-optimization/26719
5449 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5450 call to scev_probably_wraps_p.
5451 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5452 used_in_pointer_arithmetic_p, convert_step): Removed.
5453 (nowrap_type_p): New function.
5454 (scev_probably_wraps_p): Rewritten.
5455 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5456 chrec_convert if chrec_convert_aggressive might have been used.
5457 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5458 scev_direction): New functions.
5459 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5460 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5461 instead of convert_step.
5462 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5463 (convert_step): Declaration removed.
5464 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5466 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5468 * df-core.c: Added to header comments.
5469 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5470 df_ur_bb_info, df_urec_bb_info): Added comments.
5471 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5472 urec, ri problems): Fixed header comments.
5473 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5474 code from df_rd_transfer_function.
5476 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5478 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5479 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5480 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5482 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5484 * expr.c (undefined_operand_subword_p): New.
5485 (emit_move_multi_word): Do not generate move from undefined bits
5486 of a paradoxical subreg.
5488 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5490 PR rtl-optimization/27736
5491 * combine.c (replaced_rhs_value): New variable.
5492 (combine_instructions): Set it.
5493 (distribute_notes): When distributing a note in replaced_rhs_insn,
5494 check whether the value was used in replaced_rhs_value.
5496 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5499 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5500 add_referenced_var instead of add_referenced_tmp_var.
5501 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5502 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5504 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5505 tree_optimize_tail_calls_1): Use add_referenced_var.
5506 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5507 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5508 Use add_referenced_var.
5509 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5510 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5511 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5512 Use add_referenced_var.
5513 * tree-dfa.c (struct walk_state): Remove.
5514 (find_referenced_vars): Remove walk state and vars_found hash table.
5515 (make_rename_temp): Use add_referenced_var.
5516 (find_vars_r): Pass less parameters to add_referenced_var.
5517 (referenced_var_p): New. Is var in referenced_var hash table.
5518 (referenced_var_insert): Assert var isn't already in hash table.
5519 (add_referenced_var): Don't need walk_state parameter. Add var if it
5520 isn't already in the hash table.
5521 (add_referenced_tmp_var): Remove.
5522 (find_new_referenced_vars_1): Use add_referenced_var.
5523 * tree-ssa-pre.c (create_expression_by_pieces,
5524 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5525 Use add_referenced_var.
5526 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5527 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5528 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5530 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5531 vect_create_data_ref_ptr, vect_create_destination_var,
5532 vect_init_vector, vect_build_loop_niters,
5533 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5534 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5535 Use add_referenced_var.
5536 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5537 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5538 (add_referenced_var): Add prototype.
5539 * tree-ssa-structalias.c (get_constraint_for,
5540 intra_create_variable_infos): Use add_referenced_var.
5542 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5544 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5545 big-endian paradoxical subregs.
5546 * var-tracking.c (struct micro_operation_def): Document that,
5547 for modify micro operations, insn is the subsequent instruction.
5548 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5549 (var_reg_set, var_mem_set): ... new functions.
5550 (add_stores): Record subsequent insn.
5551 (compute_bb_dataflow): Use new functions for MO_USE.
5552 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5553 notes after the insn, and modify notes before the insn known
5554 to be the subsequent one.
5555 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5557 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5560 * config/i386/i386.c (ix86_expand_builtin): Use
5561 gen_sse3_monitor64 for TARGET_64BIT.
5563 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5565 PR rtl-optimization/26375
5566 PR rtl-optimization/26855
5567 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5569 (df_ru_bb_local_compute): Reversed statements and removed bogus
5570 comment explaining why they should be in wrong order.
5571 (df_ru_dump, df_rd_dump): Enhanced debug info.
5572 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5574 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5575 reaching uses and fixed space problem.
5577 2006-05-23 Jan Hubicka <jh@suse.cz>
5579 * cgraphunit.c (decide_is_function_needed): Also nested functions
5580 and functions declared inline can be optimized out at -O0.
5582 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5584 * doc/install.texi (Configuration): Remove reference to CrossGCC
5588 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5591 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5592 ix86_compare_emitted is non-NULL.
5594 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5597 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5600 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5602 PR rtl-optimization/25514
5603 * combine.c (replaced_rhs_insn): New variable.
5604 (combine_instructions): Set replaced_rhs_insn when trying to replace
5605 a SET_SRC with a REG_EQUAL note.
5606 (distribute_notes): Use replaced_rhs_insn when determining the live
5607 range of a REG_DEAD register.
5609 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5610 Anatoly Sokolov <aesok@post.ru>
5612 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5613 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5614 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5615 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5616 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5617 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5618 at90usb647, at90usb1286 and at90usb1287 devices.
5619 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5620 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5622 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5624 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5626 2006-05-22 Richard Guenther <rguenther@suse.de>
5629 2006-01-31 Richard Guenther <rguenther@suse.de>
5630 Paolo Bonzini <bonzini@gnu.org>
5632 * doc/install.texi (--disable-libgcc-math): Document.
5634 2006-05-22 Richard Guenther <rguenther@suse.de>
5637 2006-01-31 Richard Guenther <rguenther@suse.de>
5639 * doc/invoke.texi (-msselibm): Document.
5640 * target.h (expand_library_builtin): New target hook.
5641 * builtins.c (expand_builtin): Use expand_library_builtin.
5642 (default_expand_library_builtin): New function.
5643 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5644 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5645 (link_gcc_math_spec): Declare.
5646 (static_specs): Add link_gcc_math_spec.
5647 * expr.h (default_expand_library_builtin): Declare.
5648 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5649 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5650 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5651 * config/i386/i386.opt (msselibm): New target option.
5652 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5653 (ix86_init_sse_abi_builtins): New function.
5654 (ix86_expand_library_builtin): Likewise.
5655 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5656 (override_options): Handle error conditions wrt -msselibm.
5657 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5658 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5659 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5662 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5665 * c-common.c (self_promoting_args_p): Skip erroneous args.
5668 * c-decl.c (finish_struct): Skip erroneous fields.
5670 2006-05-22 Nick Clifton <nickc@redhat.com>
5672 * config/cris/cris.opt (march): Remove VarExists attribute.
5673 (max-stackframe=): Likewise.
5675 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5677 * doc/rtl.texi: Fix a typo.
5678 * see.c: Fix comment typos.
5680 * tree-ssa-structalias.h (alias_info): Remove num_references.
5682 2006-05-21 Mike Stump <mrs@apple.com>
5684 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5686 (darwin_pragma_options): Use BAD instead.
5687 (darwin_pragma_unused): Likewise.
5688 (darwin_pragma_ms_struct): Likewise.
5690 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5692 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5694 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5696 PR rtl-optimization/27671
5697 * simplify-rtx.c (simplify_relational_operation_1): Fix
5698 simplifications of (eq/ne (xor x y) y) and
5699 (eq/ne (xor x y) x).
5701 PR tree-optimization/26622.
5702 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5705 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5707 * tree-cfg.c: Prune whitespace.
5708 (debug_tree_cfg): Point to correct header containing the
5711 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5714 * cgraphunit.c (verify_cgraph_node): Typo in error message.
5716 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
5719 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
5720 or sorry count is non zero.
5722 2006-05-20 Andreas Schwab <schwab@suse.de>
5724 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5726 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
5727 Kenneth Zadeck <zadeck@naturalbridge.com>
5729 PR rtl-optimization/26855
5731 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
5733 (df_scan_alloc): Added code to properly handle multiword hard
5734 registers and add all_blocks parameter.
5735 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5736 code to properly handle multiword hard registers.
5737 (df_rescan_blocks): Added code to remove deleted blocks from
5739 (df_ref_create_structure, df_ref_record): Added code to properly
5741 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5742 and set DF_REF_PARTIAL.
5743 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5744 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5745 (df_scan_add_problem): Added flags parameter.
5746 (df_ref_create_structure): Changed switching structure.
5747 (df_bb_refs_record): Fixed case where duplicate artificial refs
5748 were created. Changed location of flags.
5749 (df_record_entry_block_defs): Added code to make stack pointer
5750 live in entry block. Refined cases where frame pointer is needed.
5751 Changed location of flags.
5752 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5753 (df_set_state): Removed function.
5754 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5755 df_insn_create_insn_record, df_insn_refs_delete,
5756 df_ref_create_structure): Formatting changes.
5757 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5758 df_delete_basic_block): New function.
5759 (df_init): Changed location of flags.
5760 (df_add_problem): Added flags parameter and the way flags are
5762 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5763 debug_df_chain): Improved debugging output.
5764 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5765 (df_refs_chain_dump): Removed df parameter.
5766 (df_iterative_dataflow): Added consistency check.
5767 (df_prune_to_subcfg): Made public.
5768 (df_analyze_problem): Added blocks_to_init parameter and made
5770 (df_ref_record, df_bb_refs_record, df_mark_reg,
5771 df_record_exit_block_uses): Whitespace changes.
5772 (df_dump): Whitespace changes.
5773 * df.h: Some reordering to remove forward references.
5774 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5775 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5776 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5777 (dataflow.flags): New field.
5778 (df.flag): Deleted field.
5779 (df_alloc_function): Added additional bitmap parameter.
5780 (df_dependent_problem_function): New type.
5781 (df_problem.changeable_flags): New field.
5782 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5783 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5784 (df_mw_hardreg): New struct.
5785 (DF_INSN_UID_MWS): New macro.
5786 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5788 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5789 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5790 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5791 (df_set_state): Removed function.
5792 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
5793 * df-problems.c (df_chain_dump): Removed df parameter.
5794 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
5795 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
5797 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
5798 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
5799 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
5800 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
5801 DF_REF_MUST_CLOBBER cases.
5802 (df_ru_bb_local_compute_process_def,
5803 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
5804 df_lr_bb_local_compute, df_ur_bb_local_compute,
5805 df_chain_create_bb): Made subreg aware.
5806 (df_ru_bb_local_compute, df_rd_bb_local_compute,
5807 df_lr_bb_local_compute, df_lr_bb_local_compute,
5808 df_chain_create_bb): Cleanup to use proper macros.
5809 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
5810 code to fixup bitvectors.
5811 (df_ri_alloc): Cleared lifetime.
5812 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
5813 df_create_unused_note): New function.
5814 (df_ri_bb_compute, df_ri_compute): Added code to create/update
5815 REG_DEAD and REG_UNUSED notes as well as register information.
5816 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
5817 df_chains_dump): Fixed crash if problem was never run.
5818 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
5819 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
5820 df_ri_add_problem): Processes flags in uniform manner.
5821 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
5822 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
5823 df_rd_dump, df_urec_free_bb_info): Formatting changes.
5824 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
5825 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
5826 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
5827 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
5828 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
5829 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
5830 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
5831 * see.c (see_initialize_data): Ditto.
5832 * final.c (rest_of_clean_state) Added regstack_completed.
5833 * rtl.h (regstack_completed): Ditto.
5834 * reg-stack.c (regstack_completed): Ditto.
5836 2006-05-19 Mike Stump <mrs@apple.com>
5838 * c-tree.h (default_conversion): Remove.
5839 * c-common.h (default_conversion): Add.
5841 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
5843 * tree-vrp.c (valid_value_p): New function.
5844 (adjust_range_with_scev): Fail if the value of bound is not
5847 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5849 * config/mips/linux-unwind.h: Include <asm/unistd.h>
5850 (mips_fallback_frame_state): Use syscall numbers to determine
5851 the appropriate li instruction for the current ABI. Only use
5852 __NR_sigreturn for o32.
5854 2006-05-19 Nicolas Setton <setton@adacore.com>
5856 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
5857 * langhooks.c (lhd_dwarf_name): New function.
5858 * langhooks-def.h (lhd_dwarf_name): Declare.
5859 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
5860 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
5861 * ada/misc.c (gnat_dwarf_name): New function.
5862 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
5864 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5866 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
5868 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
5869 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
5870 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
5871 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
5872 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
5873 determine the size of Wtype, etc.
5874 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
5875 (swfloatfuncs): New variable.
5876 (dwfloatfuncs): Likewise.
5877 (lib2funcs): Remove floating-point conversion functions from
5878 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
5879 the set of conversion routines needed. Allow entries to specify
5880 an object name, filename and word size. Update users accordingly.
5881 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
5882 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
5886 2006-02-08 Roger Sayle <roger@eyesopen.com>
5889 * config/fixtfdi.c: New libgcc source file.
5890 * config/fixunstfdi.c: New source file.
5891 * config/floatditf.c: New source file.
5892 * config/floatunditf.c: New souce file.
5893 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5894 files above instead of config/mips/_tilib.c.
5895 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5897 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5899 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
5900 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
5902 2006-05-18 Mike Stump <mrs@apple.com>
5904 Fix up vla, vm and [*] sematics.
5910 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
5911 (c_vla_unspec_p): Add.
5912 (c_vla_type_p): Add.
5913 * c-decl.c (struct c_scope): Add had_vla_unspec.
5914 (build_array_declarator): Add support for [*].
5915 (grokdeclarator): Likewise.
5916 (grokparms): Likewise.
5917 (get_parm_info): Likewise.
5918 * c-objc-common.c (c_vla_unspec_p): Likewise.
5919 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
5920 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
5921 typeof when argument is a variably modified type not inside sizeof or alignof.
5922 (c_parser_direct_declarator_inner): Propagate errors.
5923 (c_parser_sizeof_expression): Add support for [*].
5924 (c_parser_parms_declarator): Initialize had_vla_unspec.
5925 (c_parser_parms_list_declarator): Likewise.
5926 * c-typeck.c (c_vla_type_p): Add.
5927 (composite_type): Add support for vla compositing.
5928 (comptypes_internal): Add support for vla compatibility.
5929 (c_expr_sizeof_expr): Evaluate vla arguments.
5930 * tree.c (variably_modified_type_p): Update comment for [*].
5932 2006-05-18 Michael Matz <matz@suse.de>
5935 * config.host: Make assignments to host_xmake_file cumulative.
5936 * config.host (*-darwin*): Test $host, not $target.
5938 2006-05-12 Stuart Hastings <stuart@apple.com>
5940 * config/i386/i386.opt (-mstackrealign): New flag.
5941 * config/i386/i386.c (force_align_arg_pointer): New attribute.
5942 (ix86_handle_cconv_attribute): Emit error when
5943 force_align_arg_pointer attribute collides with too many regparms.
5944 (ix86_function_regparm): Limit regparms when used with
5945 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
5946 Support stack-realigning prologue in non-main functions. Emit
5947 warning for nested functions under -mstackrealign, emit error for
5948 nested functions with force_align_arg_pointer attribute.
5949 * doc/extend.texi (force_align_arg_pointer): Document it.
5950 * doc/invoke.texi (-mstackrealign): Document it.
5952 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
5954 PR rtl-optimization/27477
5955 * combine.c (try_combine): Don't split a parallel consisting
5956 of two sets into two individual sets if both sets reference
5959 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
5961 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
5962 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
5964 * doc/options.texi (VarExists): Updated.
5966 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5968 * unwind-dw2.c: Add declarations for uw_update_context and
5970 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
5971 detected, advance frame state and context once to skip over stub.
5973 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5977 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
5978 Call rewrite_into_loop_closed_ssa only when something changed.
5979 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
5980 * lambda-code.c (can_convert_to_perfect_nest): Declared.
5981 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
5982 Test for perfect_nest_p here. Fix formating.
5983 (replace_uses_equiv_to_x_with_y): Fix formating.
5984 (stmt_uses_op): Removed.
5985 (can_convert_to_perfect_nest): Removed loopivs parameter.
5986 Complete the test by checking the scalar dependences.
5987 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
5990 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5993 From Dan Kegel <dank@kegel.com>:
5994 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
5996 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
5998 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
5999 if the element type is variably modified without recursing.
6001 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6004 * tree-loop-linear.c (try_interchange_loops): Test for
6005 no data dependences.
6007 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
6009 PR tree-optimization/27548
6010 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6011 range of ssa names that appear on abnormal edges.
6012 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6013 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6015 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6018 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6020 2006-05-17 Jakub Jelinek <jakub@redhat.com>
6023 * tree.h (OMP_PARALLEL_COMBINED): Define.
6024 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6025 (new_omp_context): Add is_combined_parallel argument.
6026 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6027 new_omp_context caller.
6028 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6029 Adjust gimplify_scan_omp_clauses callers.
6030 (omp_is_private): Issue errors if iteration variable is firstprivate
6031 or reduction in the current context.
6032 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6033 on combined parallel workshare constructs.
6035 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6037 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6038 (gcc-options.o): New rule.
6040 * optc-gen.awk: Protect variables for gcc-options.o with
6041 #ifdef GCC_DRIVER/#endif.
6043 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6045 Fix PR tree-optimization/27373
6046 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6047 (forward_propagate_addr_expr): Update call.
6049 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6051 * doc/options.texi: Move the Negative option.
6053 2006-05-16 Richard Guenther <rguenther@suse.de>
6055 PR tree-optimization/22303
6056 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6058 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6059 ccp_fold did not simplify the statement.
6061 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6064 * Makefile.in (GCC_OBJS): New.
6065 (OBJS-common): Add opts-common.o.
6066 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6067 (cpp$(exeext)): Likewise.
6068 (gcc.o): Also depend on opts.h.
6069 (opts-common.o): New.
6071 * common.opt (gcoff): Add Negative(gdwarf-2).
6072 (gdwarf-2): Add Negative(gstabs).
6073 (gstabs): Add Negative(gstabs+).
6074 (gstabs+): Add Negative(gvms).
6075 (gvms): Add Negative(gxcoff).
6076 (gxcoff): Add Negative(gxcoff+).
6077 (gxcoff+): Add Negative(gcoff).
6078 * config/i386/i386.opt (m32): Add Negative(m64).
6079 (m64): Add Negative(m32).
6081 * doc/options.texi: Document the Negative option.
6083 * gcc.c: Include "opts.h".
6084 (main): Call prune_options after expandargv.
6086 * optc-gen.awk: Generate common declarations for all flag
6087 variables in options.c. Output the neg_index field.
6089 * opts.c (find_opt): Moved to ...
6090 * opts-common.c: Here. New file.
6092 * opts.h (cl_option): Add a neg_index field.
6094 (prune_options): Likewise.
6096 2006-05-16 Jakub Jelinek <jakub@redhat.com>
6099 * omp-low.c (expand_omp_parallel): Don't assert
6100 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6101 instead search for it.
6104 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6107 2006-05-16 Andreas Schwab <schwab@suse.de>
6109 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6112 2006-05-15 Roger Sayle <roger@eyesopen.com>
6115 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6116 integer constants other than zero are only legitimate on TARGET_64BIT.
6117 <CONST_VECTOR> Only zero vectors are legitimate.
6118 (ix86_cannot_force_const_mem): Integral and vector constants can
6119 always be put in the constant pool.
6121 2006-05-16 DJ Delorie <dj@redhat.com>
6123 * crtstuff.c (__dso_handle): Set section from
6124 TARGET_LBIGCC_SDATA_SECTION if defined.
6125 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6126 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6128 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6131 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6134 2006-05-16 Ben Elliston <bje@au.ibm.com>
6136 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6138 2006-05-15 Per Bothner <per@bothner.com>
6140 * tree.c: (last_annotated_node): Use source_locus typedef.
6141 This permits bootstrapping with --enable-mapped-location.
6143 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6145 PR tree-optimization/26830
6146 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6147 (info_for_ssa_name, current_info_for_ssa_name_age,
6148 blocks_to_update): New variables.
6149 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6150 (clear_ssa_name_info, initialize_flags_in_bb,
6151 mark_block_for_update): New functions.
6152 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6153 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6154 prepare_def_site_for): Use mark_block_for_update.
6155 (mark_def_interesting): Assert that the processed block is marked in
6156 blocks_to_update. Do not take blocks argument.
6157 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6159 (rewrite_update_init_block, rewrite_update_stmt): Only process
6160 blocks with statements to rewrite.
6161 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6162 (update_ssa): Initialize and free blocks_to_update. Do not
6163 clear flags on statements. Do not use blocks bitmap.
6164 * tree.h (SSA_NAME_AUX): Removed.
6165 (struct tree_ssa_name): Removed aux field.
6166 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6168 2006-05-15 Richard Guenther <rguenther@suse.de>
6170 PR tree-optimization/27603
6171 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6172 Do computations in original type.
6174 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6176 * see.c: Code style changes such as redundant paranthesis,
6177 redundant intialization of local variables etc.
6178 (see_main): Declared now as static.
6179 * doc/invoke.texi: Update that -fsee is not enabled by
6182 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6184 * omp-low.c (check_omp_nesting_restrictions): New function.
6185 (scan_omp_1): Call it.
6188 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6189 construct, return *VAR.
6191 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6193 PR rtl-optimization/27406
6194 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6197 2006-05-14 Roger Sayle <roger@eyesopen.com>
6199 PR rtl-optimization/27538
6200 * combine.c (expand_compound_operation): Call gen_lowpart
6201 before calling simplify_shift_const.
6203 2006-05-14 Roger Sayle <roger@eyesopen.com>
6205 PR rtl-optimization/22563
6206 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6207 a fixed width bitfield, always force the intermediates into psuedos.
6209 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6212 * mkconfig.sh: Use operator = instead of == for test.
6214 2006-05-13 Nick Clifton <nickc@redhat.com>
6216 * dwarf2out.c (dbx_reg_number): Check return value from
6217 LEAF_REG_REMAP and only use it if it is valid.
6218 (multiple_reg_loc_descriptor): Likewise.
6220 2006-05-13 Richard Guenther <rguenther@suse.de>
6222 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6225 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6227 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6228 information attached to non-INSNs such as NOTEs.
6229 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6231 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6233 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6235 * config/s390/s390.md: Adjust comment describing On constraint.
6237 2006-05-11 Jan Hubicka <jh@suse.cz>
6239 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6240 to be output at -O0.
6242 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6245 * fold-const.c (size_binop): Move sanity check for arguments to
6246 the beginning of the function.
6249 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6252 2006-05-11 Richard Guenther <rguenther@suse.de>
6255 * fold-const.c (fold_unary): Handle intermediate conversion
6256 to a pointer type like intermediate conversion to an integer
6257 type in folding of (T1)(T2)var to var.
6258 Match the code to the comment in the final conversion for
6259 (T1)(T2)var to (T1)var regarding to type precision. Rather
6260 than disallow T1 being of pointer type, assert that both T1
6261 and var are of pointer type or not. Make sure not to fall
6262 over the frontends lazyness wrt array to pointer decay though.
6264 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6266 * arm.c (arm_struct_value_rtx): Delete.
6267 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6268 (arm_init_cumulative_args): Always initialize nregs to zero.
6270 2006-05-10 Richard Guenther <rguenther@suse.de>
6272 PR tree-optimization/27532
6273 * tree-object-size.c (plus_expr_object_size): Fix typo.
6275 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6278 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6279 ashrdi_const, ashrdi3): Use a scratch register.
6281 2006-05-10 Richard Guenther <rguenther@suse.de>
6283 PR tree-optimization/27302
6284 * fold-const.c (operand_equal_p): For two comparisons,
6285 try comparison of one comparison code swapped if that yields
6288 2006-05-10 Ben Elliston <bje@au.ibm.com>
6290 * tree-pretty-print.c (pretty_print_string): No need to handle
6291 '\0' as a special character.
6293 * tree.h: Include "hashtab.h".
6294 (iterative_hash_expr): Use hashval_t in its prototype.
6295 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6297 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6300 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6301 (hppa*64*-*-hpux11*): Ditto.
6302 (hppa[12]*-*-hpux11*): Ditto.
6304 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6307 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6309 2006-05-09 Michael Matz <matz@suse.de>
6311 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6312 host_extra_gcc_objs and host_xmake_file.
6313 (<*-*-linux*>): Don't overwrite host_xmake_file.
6314 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6315 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6316 (host_detect_local_cpu): Declare.
6317 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6318 * config/i386/i386.c (override_options): Handle -mtune=native
6320 * config/i386/x-i386: New file.
6321 * config/i386/driver-i386.c: New file.
6322 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6325 2006-05-09 Dirk Mueller <dmueller@suse.de>
6326 Richard Guenther <rguenther@suse.de>
6329 * fold-const.c (fold_read_from_constant_string): Relax check
6330 for matching types to matching modes.
6332 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6334 PR rtl-optimization/27335
6335 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6338 2006-05-08 Chao-ying Fu <fu@mips.com>
6339 Richard Sandiford <richard@codesourcery.com>
6341 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6342 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6343 * config/mips/mips.md (UNSPEC_SCC): New constant.
6344 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6345 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6346 (mips_emit_compare): Use it.
6347 (mips_expand_vcondv2sf): New function.
6349 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6351 Fix PR tree-optimization/27093
6352 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6353 renaming when they become not-used_alone.
6355 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6357 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6358 relocation and relocation stubs.
6360 2006-05-08 Eric Christopher <echristo@apple.com>
6362 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6365 2006-05-08 Jan Hubicka <jh@suse.cz>
6368 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6369 unused static functions are needed.
6371 2006-05-08 Roger Sayle <roger@eyesopen.com>
6374 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6375 of a reg_equiv_constant if the result is a legitimate constant.
6377 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6380 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6381 standard 80387 constants, raise the cost to prevent
6382 compress_float_constant() to generate load from memory.
6384 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6386 * config/arm/constraints.md (c): Fix a typo.
6388 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6391 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6394 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6396 (_mm_mwait): Likewise.
6398 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6400 (sse3_monitor): Make it 32bit only.
6401 (sse3_monitor64): New. 64bit monitor.
6403 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6406 * config/i386/i386.c (classify_argument): Skip fields with invalid
6409 2006-05-07 Richard Guenther <rguenther@suse.de>
6411 PR tree-optimization/27409
6412 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6413 Do not try to find zero-sized subvars.
6415 2006-05-07 Richard Guenther <rguenther@suse.de>
6417 PR tree-optimization/27136
6418 * tree-ssa-loop-niter.c (get_val_for): Correct function
6419 comment, assert requirements.
6420 (loop_niter_by_eval): Stop processing if the iterated
6421 value did not simplify.
6423 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6425 * opts.c (flag_see): remove its setting at -O3.
6427 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6429 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6430 * arm/constraints.md: New file.
6431 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6432 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6433 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6434 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6435 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6436 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6437 * arm.md: Include constraints.md.
6438 (thumb_movsi_insn): Use satisfies_constraint_J.
6439 (movhi, movqi): Use satisfies_constraint_I.
6441 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6443 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6444 for atmeg a645 device.
6446 2006-05-06 Richard Guenther <rguenther@suse.de>
6448 PR tree-optimization/27151
6449 * tree-vect-transform.c (vectorizable_condition): Punt on
6450 values that have a different type than the condition.
6452 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6455 * c-parser.c (c_parser_cast_expression): Only insert casts into
6456 hash table if pointer.
6457 * function.c (used_types_insert_helper): Rename from
6459 (used_types_insert): Call used_types_insert_helper.
6460 * function.h (used_types_insert): Accept only one argument.
6462 2006-05-05 David Edelsohn <edesohn@gnu.org>
6464 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6465 scratch with output modifier.
6467 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6470 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6471 with output modifier.
6473 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6476 * config/mips/mips.c (mips_symbolic_address_p): Return true
6477 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6478 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6480 2006-05-04 Richard Guenther <rguenther@suse.de>
6482 PR tree-optimization/14287
6483 PR tree-optimization/14844
6484 PR tree-optimization/19792
6485 PR tree-optimization/21608
6486 PR tree-optimization/27090
6487 * tree-ssa-pre.c (try_combine_conversion): New function.
6488 (compute_avail): After constructing the value-handle
6489 expression, use try_combine_conversion to combine NOP_EXPRs
6490 with previous value-handle expressions and use the result if it
6493 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6495 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6497 2006-05-04 Jan Hubicka <jh@suse.cz>
6500 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6502 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6504 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6505 that this only matches CONST_INTs. All users changed to VOIDmode
6508 * config/bfin/bfin.c: Include "optabs.h".
6509 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6511 (enum bfin_builtins): Add a number of fractional and vector builtins.
6512 (bfin_init_builtins): Likewise.
6513 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6514 (safe_vector_operand, bfin_expand_binop_builtin,
6515 bfin_expand_unop_builtin): New functions.
6516 (bfin_expand_builtin): Handle the new builtins.
6517 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6520 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6523 * Makefile.in (OBJS-common): Add see.o.
6524 (see.o): Add dependencies.
6525 * common.opt (fsee): New flag for the see optimization was added.
6526 * opts.c (flag_see): Initialized.
6527 * passes.c (init_optimization_passes, pass_see): New pass.
6528 * rtl.h (see_main): Declaration as extern.
6529 * timevar.def (TV_SEE): New.
6530 * tree-pass.h (pass_see): Declaration as extern.
6531 * invoke.texi (-fsee): Document.
6532 * recog.c (validate_simplify_insn): New function.
6533 * recog.h (validate_simplify_insn): Declaration as extern.
6534 * df-problems.c (df_chain_dump): Check for NULL.
6536 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6537 Daniel Berlin <dberlin@dberlin.org>
6539 * cfgrtl.c (insert_insn_bb_end_new): New function.
6540 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6542 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6544 * df.h (struct web_entry): Moved from web.c.
6545 (union_defs): Declaration as extern.
6546 (unionfind_root): Likewise.
6547 (unionfind_union): Likewise.
6548 * web.c (struct web_entry): Moved to df.h.
6549 (unionfind_root): Remove static declaration.
6550 (unionfind_union): Likewise.
6551 (union_defs): Likewise and generalize to use callback function.
6552 (web_main): Update arguments for union_defs function call.
6554 2006-05-04 Richard Guenther <rguenther@suse.de>
6556 PR tree-optimization/26447
6557 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6558 produce SSA_NAME copies before the store stmt to avoid
6559 breaking exception handling.
6561 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6564 * gimplify.c (omp_is_private): If var is shared in some outer context,
6565 return false instead of true. Stop searching on parallel context
6568 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6571 * coverage.c: Use get_gcov_unsigned_t() instead of
6572 unsigned_type_node all over.
6574 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6576 PR tree-optimization/27381
6577 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6578 maintain the same immediate_use links.
6579 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6580 node rather than segfaulting.
6582 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6585 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6586 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6587 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6589 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6591 Fix PR tree-optimization/26626
6592 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6594 * tree-ssa-operands.c (access_can_touch_variable): Allow
6595 typecasting through union pointers.
6597 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6600 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6601 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6602 to find if var will be a global variable even in the nested context.
6603 (omp_copy_decl): Only check for global variable at the end, it might
6604 be overridden in outer contexts.
6605 (scan_sharing_clauses): For global variables don't create a field.
6606 (lower_rec_input_clauses): Do nothing for global shared variables.
6607 Emit a barrier at the end of ILIST if there were any decls in both
6608 firstprivate and lastprivate clauses.
6609 (lower_send_clauses): Do nothing for global variables except for
6612 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6614 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6615 of the correct signedness is returned.
6617 2006-05-02 Jeff Law <law@redhat.com>
6619 PR tree-optimization/27364
6620 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6621 multiply expressions.
6623 2006-05-02 Tom Tromey <tromey@redhat.com>
6625 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6627 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6630 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6631 -mthumb -fPIC are used.
6633 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6634 Joshua Kinard <kumba@gentoo.org>
6637 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6638 with 64-bit pointers.
6640 2006-05-02 Paul Brook <paul@codesourcery.com>
6642 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6644 (create_fix_barrier): Check that a suitable barrier location is
6646 (arm_reorg): Include ftmp->address in allowable range of addresses.
6648 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6651 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6654 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6657 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6658 around RESULT_DECL for result passed by reference.
6659 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6660 * omp-low.c (use_pointer_for_field): Don't look at
6661 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6662 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6663 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6664 time or var for passing by reference for
6665 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6666 TREE_ADDRESSABLE variables when passing by reference.
6668 * omp-low.c (dump_omp_region): Fix output formatting.
6671 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6672 (expand_omp_parallel): Likewise.
6673 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6676 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6677 on statement list containing also constructors and destructors.
6678 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6681 * except.c (duplicate_eh_regions): Fix clearing of
6682 cfun->eh->region_array entries.
6684 2006-05-01 DJ Delorie <dj@redhat.com>
6686 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6688 (gcc_cv_objdump): Likewise.
6689 * configure: Regenerated.
6691 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6694 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6695 templates for case 3 and 4.
6697 2006-05-01 DJ Delorie <dj@redhat.com>
6699 * vec.c: Include bconfig.h when appropriate.
6700 * Makefile.in (build/vec.o): Adjust dependencies.
6701 * mkconfig.sh: Make sure config.h isn't used for build machine
6704 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6706 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6708 (mark_phi_for_rewrite): New function.
6709 (insert_phi_nodes_for, mark_use_interesting): Call
6710 mark_phi_for_rewrite.
6711 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
6712 (update_ssa): Initialize and free phis_to_rewrite.
6714 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6716 PR rtl-optimization/27291
6717 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
6718 folded to a constant.
6720 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6722 PR tree-optimization/27283
6723 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
6724 not whole # of iteration descriptions.
6725 (niter_for_exit): Return just # of iterations. Fail if # of iterations
6726 uses abnormal ssa name.
6727 (niter_for_single_dom_exit): Ditto.
6728 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
6729 return just the number of iterations.
6731 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6733 PR tree-optimization/27144
6734 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
6735 (record_estimate): Only record constant upper bound.
6736 (infer_loop_bounds_from_undefined): Call
6737 compute_estimated_nb_iterations just once.
6738 (proved_non_wrapping_p): Renamed to ...
6739 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6740 (convert_step_widening, scev_probably_wraps_p): Call
6741 n_of_executions_at_most instead of proved_non_wrapping_p.
6742 (substitute_in_loop_info): Do not replace values in bounds.
6743 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6746 2006-05-01 Richard Henderson <rth@redhat.com>
6749 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6750 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6753 2006-05-01 Roger Sayle <roger@eyesopen.com>
6755 * c-typeck.c (parser_build_binary_op): Don't call the function
6756 unsigned_conversion_warning to spot operand/result type overflow.
6757 (build_binary_op): Instead, call convert_and_check instead of
6758 convert to report the problem when the operands are promoted.
6759 * c-common.c (unsigned_conversion_warning): Make static.
6760 * c-common.h (unsigned_conversion_warning): Delete prototype.
6762 2006-05-01 Richard Guenther <rguenther@suse.de>
6764 PR tree-optimization/26726
6765 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6767 (find_interesting_uses_address): ... we work around here
6768 by folding INDIRECT_REFs in the substituted base.
6770 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6772 * omp-low.c (dump_omp_region): Add newlines.
6774 2006-04-30 Roger Sayle <roger@eyesopen.com>
6776 * common.opt (Woverflow): New command line option.
6777 * c-common.c (constant_expression_warning): Check warn_overflow.
6778 (overflow_waring): Pass OPT_Woverflow to warning.
6779 (unsigned_conversion_warning): Likewise.
6780 (convert_and_check): Likewise.
6781 * doc/invoke.texi: Document new command line option.
6783 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6785 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6786 TARGET_NO_FP_IN_TOC for section anchors.
6787 (optimization_options): Enable section anchors for all
6788 non-"Objective" languages.
6790 2006-04-28 Eric Christopher <echristo@apple.com>
6792 * config/darwin-c.c (darwin_ms_struct): Move this
6793 (darwin_set_default_type_attributes): and this...
6794 * config/darwin.c: ... here.
6795 * config/darwin.h (darwin_ms_struct): Declare.
6797 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
6799 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
6801 2006-04-28 Roger Sayle <roger@eyesopen.com>
6804 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
6805 (push_array_bounds): Delete prototype. Change BOUNDS argument to
6806 an unsigned HOST_WIDE_INT.
6807 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
6809 (really_start_incremental_init): No need to call convert because
6810 bitsize_zero_node is already of type bitsizetype.
6811 (push_init_level): Extract the value of constructor_index as an
6812 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
6813 (process_init_element): Likewise.
6815 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
6817 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
6818 value before passing to make_relative_prefix.
6820 2006-04-28 Alan Modra <amodra@bigpond.net.au>
6823 * builtins.c (expand_builtin_memset): Expand val in original mode.
6825 2006-04-27 Eric Christopher <echristo@apple.com>
6827 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
6828 with #ifndef/#endif.
6829 * config/darwin-c.c (darwin_ms_struct): New.
6830 (darwin_pragma_ms_struct): Ditto.
6831 (darwin_set_default_type_attributes): Ditto.
6832 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
6833 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
6834 Register ms_struct pragma.
6835 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
6836 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
6837 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
6838 darwin_set_default_type_attributes if TARGET_MACHO.
6840 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
6842 PR tree-optimization/26854
6843 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
6844 * doc/tree-ssa.texi: Update immuse iterator documentation.
6845 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
6846 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
6847 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
6848 first_safe_imm_use, next_safe_imm_use): Remove.
6849 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
6850 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
6851 (move_use_after_head): New. Helper function to sort immuses in a stmt.
6852 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
6853 (first_imm_use_stmt): New. Get first stmt in an immuse list.
6854 (next_imm_use_stmt): New. Get next stmt in an immuse list.
6855 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
6856 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
6857 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
6858 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
6859 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
6860 (perfect_nestify): Use new iterator.
6861 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
6863 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
6864 (next_imm_name): New field in struct immediate_use_iterator_d.
6865 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
6866 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
6867 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
6868 * tree-cfg.c (replace_uses_by): Use new iterator.
6869 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
6870 * tree-ssa-operands.c (correct_use_link): Remove.
6871 (finalize_ssa_use_ops): No longer call correct_use_link.
6873 2006-04-27 Stuart Hastings <stuart@apple.com>
6875 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
6876 * config/t-darwin (crt3.o): Use it.
6877 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
6878 'pmode', use Pmode instead of SImode for SYMBOL_REF.
6879 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
6880 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
6881 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
6884 2006-04-27 Roger Sayle <roger@eyesopen.com>
6886 * expmed.c (store_fixed_bit_field): If we're not optimizing for
6887 size, force the intermediate into a new pseudo rather instead of
6888 performing both a bitwise AND and a bitwise IOR in memory.
6890 2006-04-27 Richard Guenther <rguenther@suse.de>
6892 PR rtl-optimization/26685
6893 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
6894 this one "max-flow-memory-locations".
6896 2006-04-27 Richard Guenther <rguenther@suse.de>
6898 PR tree-optimization/25148
6899 * tree-vrp.c (compare_values): Remove code dealing with
6900 comparisons against type min/max value. Honour overflow
6901 and negative constants in code dealing with comparisons
6902 of plus and minus expressions.
6903 (value_inside_range): Use fold_binary with LE_EXPR and
6904 GE_EXPR rather than compare_values.
6906 2006-04-27 Dirk Mueller <dmueller@suse.de>
6908 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
6911 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
6913 * basic-block.h (safe_insert_insn_on_edge): Removed.
6914 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
6916 2006-04-26 David Edelsohn <edelsohn@gnu.org>
6917 Paolo Bonzini <bonzini@gnu.org>
6920 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
6921 (simplify_and_const_int): Same.
6923 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
6925 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
6927 2006-04-26 Jakub Jelinek <jakub@redhat.com>
6930 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
6931 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
6932 cgraph_global_info_ready.
6935 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
6938 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
6939 either decl or init is error_mark_node.
6942 * tree-flow.h (struct omp_region): Add sched_kind.
6943 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
6944 instead of extracting omp for data.
6945 (expand_omp_for): Save extracted sched_kind.
6947 2006-04-25 Roger Sayle <roger@eyesopen.com>
6949 * expmed.c (store_bit_field): Also check whether the bitsize is
6950 valid for the machine's "insv" instruction before moving the
6951 target into a pseudo for use with the insv.
6952 * config/i386/predicates.md (const8_operand): New predicate.
6953 * config/i386/i386.md (extv, extzv, insv): Use the new
6954 const8_operand predicate where appropriate.
6956 2006-04-25 DJ Delorie <dj@redhat.com>
6958 * doc/install.texi (Specific): Clarify that this is not a list of
6959 supported hosts or targets.
6961 2006-04-25 Richard Sandiford <richard@codesourcery.com>
6963 PR rtl-optimization/26725
6964 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
6965 block's BB_DIRTY flag.
6967 2006-04-25 Geoffrey Keating <geoffk@apple.com>
6969 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
6972 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
6973 to print an integer.
6975 2006-04-25 David Edelsohn <edelsohn@gnu.org>
6977 * varasm.c (align_variable): New function.
6978 (get_block_for_decl): Apply align_variable to DECL before
6979 calculating section information.
6980 (assemble_variable): Split out alignment computation.
6982 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
6984 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
6987 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
6989 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
6990 MODE_PARTIAL_INT mode.
6991 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
6992 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
6994 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
6995 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
6997 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
6999 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7001 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7002 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7003 MACFLAG_IH): Likewise.
7004 (movstricthi_1): Renamed from "*movstricthi".
7005 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7006 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7007 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7008 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7009 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7010 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7011 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7012 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7013 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7014 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7015 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7016 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7017 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7018 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7019 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7021 * doc/rtl.texi (ss_ashift): Improve wording.
7023 2006-04-24 Geoffrey Keating <geoffk@apple.com>
7025 * dwarf2out.c (verify_marks_clear): New.
7026 (prune_unused_types): Call verify_marks_clear initially, not
7029 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7031 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7032 * doc/rtl.texi: Document them.
7033 * simplify-rtx.c (simplify_unary_operation,
7034 simplify_binary_operation_1): Don't abort when we see them.
7036 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7039 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7040 * configure.ac: Completely disregard languages that are not
7042 * configure: Regenerated.
7044 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7045 Richard Guenther <rguenther@suse.de>
7047 PR tree-optimization/27236
7048 * tree-inline.c (copy_body_r): Make sure to copy
7049 TREE_THIS_VOLATILE flag.
7051 2006-04-24 Richard Guenther <rguenther@suse.de>
7054 * tree-complex.c (update_parameter_components): Don't handle
7055 unused parameters which have no default def.
7057 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7058 Richard Guenther <rguenther@suse.de>
7060 PR tree-optimization/27218
7061 * tree-inline.c (expand_call_inline): Strip useless type
7062 conversions for the return slot address.
7064 2006-04-24 Richard Guenther <rguenther@suse.de>
7066 * cfgloop.h (struct loops): Remove unused field array. Reorder
7068 (LOOP_PREFETCH): Remove.
7070 2006-04-24 Richard Guenther <rguenther@suse.de>
7072 PR tree-optimization/22525
7073 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7074 variable, adjust types of generated expressions.
7076 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7078 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7079 (tree-vect-patterns.o): Likewise.
7081 (cselib.o): Likewise.
7082 (loop-doloop.o): Likewise.
7083 (regclass.o): Likewise.
7084 (reload1.o): Likewise.
7085 (explow.o): Replace target.h with $(TARGET_H).
7086 (ipa-prop.o): Likewise.
7087 (ipa-cp.o): Likewise.
7088 (ipa-inline.o): Likewise.
7089 (reorg.o): Likewise.
7090 (reg-stack.o): Likewise.
7092 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7094 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7096 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7098 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7100 * configure.ac: Completely disregard languages that are not
7102 * configure: Regenerated.
7105 * c-common.h (c_build_bitfield_integer_type): Declare.
7106 * c-decl.c (c_build_bitfield_integer_type): Move to ...
7107 * c-common.c (c_build_bitfield_integer_type): ... here.
7109 2006-04-23 Roger Sayle <roger@eyesopen.com>
7112 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7113 a SImode SUBREG of a floating point register after no_new_pseudos.
7115 2006-04-23 Roger Sayle <roger@eyesopen.com>
7117 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7118 identify potentially eliminable registers to additionally catch
7119 VIRTUAL_INCOMING_ARGS_REGNUM.
7120 (addsi3): Update the conditions on when to use addsi_small_int.
7122 2006-04-23 Roger Sayle <roger@eyesopen.com>
7125 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7126 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7127 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7129 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7131 * fold-const.c (range_predecessor): Use operand_equal_p
7132 as the predicate for equality.
7133 (range_successor): Likewise.
7135 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7138 * config/soft-fp/op-common.h: Fix a typo.
7140 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7143 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7144 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7146 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7148 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7150 * doc/tm.texi: Fix a typo.
7152 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7154 * dwarf2out.c (struct die_struct): Document that die_sib makes
7155 a circular linked list.
7156 (FOR_EACH_CHILD): New.
7157 (reverse_die_lists): Delete.
7158 (reverse_all_dies): Delete.
7159 (add_dwarf_attr): Correct documentation.
7160 (remove_child_with_prev): New.
7161 (remove_child_TAG): Update for change to die_struct, use
7162 remove_child_with_prev.
7163 (add_child_die): Update for change to die_struct.
7164 (splice_child_die): Use remove_child_with_prev and add_child_die.
7165 (print_die): Use FOR_EACH_CHILD.
7166 (die_checksum): Likewise.
7167 (assign_symbol_names): Likewise.
7168 (output_location_lists): Likewise.
7169 (build_abbrev_table): Likewise.
7170 (calc_die_sizes): Likewise.
7171 (mark_dies): Likewise.
7172 (unmark_dies): Likewise.
7173 (unmark_all_dies): Likewise.
7174 (output_die): Likewise.
7175 (prune_unused_types_mark): Likewise.
7176 (prune_unused_types_walk): Likewise.
7177 (same_die_p): Update for change to die_struct.
7178 (break_out_includes): Likewise.
7179 (prune_unused_types_prune): Likewise.
7180 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7181 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7183 (dwarf2out_finish): Don't call reverse_all_dies.
7185 2006-04-21 Eric Christopher <echristo@apple.com>
7187 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7188 in comments and function names.
7190 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7193 * c-typeck.c (digest_init): Robustify.
7195 * c-typeck.c (pop_init_level): Simplify.
7197 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7199 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7201 2006-04-21 Paul Brook <paul@codesourcery.com>
7203 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7204 hardware floating point.
7206 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7208 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7211 2006-04-21 Nick Clifton <nickc@redhat.com>
7213 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7216 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7219 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7220 C++ lang type in traceback table for Objective-C++.
7222 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7224 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7226 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7228 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7231 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7232 were errors. Remove check for erroneous objects.
7234 2006-04-20 Jeff Law <law@redhat.com>
7236 PR tree-optimization/26854
7237 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7238 checking for zero or one use.
7239 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7240 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7241 * tree-ssa-reassoc.c (negate_value): Similarly.
7242 (reassociate_bb): Similarly.
7244 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7246 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7247 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7248 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7250 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7252 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7253 fp regs if the last fp arg doesn't fit in regs.
7255 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7258 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7259 that the last insn has the REG_INC note.
7261 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7262 Nathan Sidwell <nathan@codesourcery.com>
7265 * stor-layout.c (update_alignment_for_field): Do not align
7267 (place_union_field): Place union field at the start of the union.
7268 (place_field): Move ERROR_MARK check later, and use the current
7269 allocation position to maintain monotonicity.
7271 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7273 * dominance.c: Include timevar.h.
7274 (calculate_dominance_info): Use TV_DOMINANCE.
7275 * timevar.def (TV_DOMINANCE): New timevar.
7276 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7278 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7280 PR rtl-optimization/14261
7281 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7282 move would be an INSV insn.
7283 (noce_process_if_block): Don't optimize if the destination is a
7284 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7286 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7288 * config/s390/s390.md: Add comments with the instructions emitted
7289 by an insn pattern if macros are used.
7291 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7293 PR rtl-optimization/26026
7294 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7295 is a known power of two shifted left a variable amount.
7297 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7299 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7300 to hash table twice when the debug_str section has SECTION_MERGE.
7302 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7304 * config/soft-fp: New directory. From glibc.
7305 * config/soft-fp/t-softfp: New.
7306 * config/soft-fp/README: New.
7307 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7308 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7309 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7310 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7311 * config.gcc: Use rs6000/t-fprules-fpbit or
7312 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7314 * config/rs6000/sfp-machine.h: New. Based on glibc.
7315 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7317 * config/rs6000/t-fprules: Remove fp-bit rules.
7318 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7319 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7320 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7321 (softfp_wrap_start, softfp_wrap_end): New.
7323 2006-04-18 DJ Delorie <dj@redhat.com>
7325 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7327 2006-04-18 Devang Patel <dpatel@apple.com>
7329 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7331 2006-04-18 Nick Clifton <nickc@redhat.com>
7333 * config/sh/t-symbian: Add rule to build sh-c.o
7334 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7335 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7336 (sh_symbian_encode_section_info): Likewise.
7338 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7340 * builtins.c (expand_builtin_strcmp): Cover label definition of
7341 do_libcall with HAVE_cmpstrnsi.
7343 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7345 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7347 * function.h (temp_slot_p): New.
7348 (function): Change the type of x_used_temp_slots to
7349 VEC(temp_slot_p,gc) *.
7351 2006-04-18 Nick Clifton <nickc@redhat.com>
7353 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7354 flag_strength_reduce.
7356 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7358 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7362 Partial revert of revision 112637
7363 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7364 Dale Johannesen <dalej@apple.com>
7367 * regclass.c (struct reg_pref): Update documentation.
7368 (regclass): Set prefclass to NO_REGS if memory is the best option.
7369 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7371 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7373 PR tree-optimization/26821
7374 * tree-ssa-math-opts.c (get_constant_one): New.
7375 (insert_reciprocals): Use it.
7377 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7379 * dwarf2out.c (free_AT): Delete.
7380 (remove_AT): Update string ref counts.
7381 (remove_child_TAG): Don't call free_die.
7383 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7384 or DW_TAG_GNU_EINCL.
7385 (prune_unused_types_walk_attribs): Reset string refcounts.
7386 (prune_unused_types_update_strings): New.
7387 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7388 call free_die. Do call prune_unused_types_update_strings.
7389 (prune_unused_types): Empty debug_str_hash.
7391 2006-04-17 Roger Sayle <roger@eyesopen.com>
7393 * expr.c (expand_assignment): Optimize away no-op moves where the
7394 source and destination are equal and have no side-effects.
7396 2006-04-17 Richard Guenther <rguenther@suse.de>
7399 * reload.c (push_reload): Guard calls to get_secondary_mem
7402 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7404 * alias.c (reg_base_value, old_reg_base_value): Change the
7405 type to VEC(rtx,gc) *.
7406 (REG_BASE_VALUE, find_base_value, record_set,
7407 init_alias_analysis): Use VEC instead of VARRAY.
7409 * alias.c (alias_sets): Change the type to
7410 VEC(alias_set_entry,gc) *.
7411 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7412 VEC instead of VARRAY.
7413 (last_alias_set): Remove.
7415 * cgraph.h (cgraph_edge_p): New.
7416 Update the prototype of cgraph_function_versioning.
7417 * cgraphunit.c (cgraph_copy_node_for_versioning,
7418 cgraph_function_versioning): Use VEC instead of VARRAY.
7419 * ipa-cp.c (ipcp_insert_stage): Likewise.
7421 2006-04-16 Roger Sayle <roger@eyesopen.com>
7424 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7425 "A op B" or "A op C", we may need to convert A to the type of B and C.
7427 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7429 * target.h (struct gcc_target): Add mode_rep_extended.
7430 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7431 (init_num_sign_bit_copies_in_rep): Initialize it using
7433 (truncate_to_mode): Use it.
7434 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7435 * targhooks.h (default_mode_rep_extended): Declare it.
7436 * targhooks.c (default_mode_rep_extended): Define it.
7437 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7438 default_mode_rep_extended.
7439 (TARGET_INITIALIZER): Include it.
7440 * doc/tm.texi (Misc): Document it.
7441 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7442 (mips_truncated_to_mode): New function.
7444 2006-04-16 Roger Sayle <roger@eyesopen.com>
7447 * expr.c (compress_float_constant): Copy the narrow constant into
7448 a new pseudo before extending it to its final width.
7450 2006-04-16 Roger Sayle <roger@eyesopen.com>
7451 Andrew Pinski <pinskia@gcc.gnu.org>
7452 Dale Johannesen <dalej@apple.com>
7455 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7456 special case code to implement V8HImode and V16QImode with SSE2.
7458 2006-04-15 Roger Sayle <roger@eyesopen.com>
7460 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7461 trees are constructed with a suitable tree type.
7463 2006-04-15 Roger Sayle <roger@eyesopen.com>
7465 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7466 (integer_onep): Likewise.
7467 (integer_all_onesp): Likewise.
7468 (integer_pow2p): Likewise.
7469 (integer_nonzerop): Likewise.
7470 (real_zerop): Likewise.
7471 (real_onep): Likewise.
7472 (real_twop): Likewise.
7473 (real_minus_onep): Likewise.
7474 (int_size_in_bytes): Likewise.
7475 (host_integerp): Likewise.
7477 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7479 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7480 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7481 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7483 * tree-ssa-structalias.h (alias_info): Remove num_references.
7485 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7487 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7488 (output_bvb patterns): Likewise.
7489 * pa.c (output_bb): Use 'bb' insn for long branch case.
7490 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7491 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7492 1. Correct length operand for alternatives 1 and 2.
7493 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7494 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7496 2006-04-14 Roger Sayle <roger@eyesopen.com>
7498 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7499 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7500 were accidentally reverted by r112959.
7502 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7505 * except.h (eh_region_outermost): New prototype.
7506 * except.c (eh_region_outermost): New function.
7507 * tree-cfg.c (find_outermost_region_in_block): Use it.
7509 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7511 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7513 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7514 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7515 (init_reload, reload): Use VEC instead of VARRAY.
7516 * reload.h: Update the prototype for
7517 reg_equiv_memory_loc_varray.
7519 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7520 Eric Botcazou <ebotcazou@libertysurf.fr>
7522 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7525 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7528 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7529 to expand fallback builtin function call.
7531 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7534 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7535 and emit libcall here in case the builtin fails.
7536 (expand_builtin_strcmp): Always emit the libcall here on failure.
7538 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7540 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7541 * flow.c (reg_n_info): Change the type to
7542 VEC(reg_info_p,heap) *.
7543 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7545 * regs.h (reg_info_p): New.
7546 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7547 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7548 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7551 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7553 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7555 * params.h (MAX_SCHED_READY_INSNS): New macro.
7556 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7557 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7558 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7559 the ready list for 1 cycle during the first scheduling pass.
7560 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7562 2006-04-13 Richard Henderson <rth@redhat.com>
7565 * gimple-low.c (lower_omp_directive): Remove dead code.
7566 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7567 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7568 * omp-low.c (struct omp_region): Move to tree-flow.h.
7569 (root_omp_region): Export.
7570 (omp_regions, lookup_omp_region): Remove.
7571 (determine_parallel_type): Update for struct omp_region changes.
7572 (dump_omp_region): Dump regions with block numbers.
7573 (new_omp_region): Take type and block instead of stmt; malloc
7575 (free_omp_region_1, free_omp_regions): New.
7576 (expand_parallel_call): Take entry_stmt as argument; update for
7577 changes to omp_region.
7578 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7579 (remove_exit_barriers): New.
7580 (expand_omp_parallel): Update for struct omp_region changes.
7581 (expand_omp_synch): Likewise.
7582 (expand_omp): Likewise.
7583 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7584 (expand_omp_for_static_chunk): Likewise.
7585 (expand_omp_for): Likewise.
7586 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7587 (expand_omp_sections): Similarly, with GOMP_sections_end.
7588 (expand_omp_single): New.
7589 (build_omp_regions_1): Update for OMP_CONTINUE.
7590 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7591 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7592 OMP_SECTIONS_SECTIONS.
7593 (lower_omp_single_simple): Don't emit barrier here.
7594 (lower_omp_single_copy): Likewise.
7595 (lower_omp_single): Fix bindings, and lower to straightline now.
7596 (lower_omp_master, lower_omp_ordered): Likewise.
7597 (lower_omp_critical): Likewise.
7598 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7599 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7600 omp edges, free it afterward.
7601 (make_omp_sections_edges): Remove.
7602 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7603 (move_stmt_r): Handle OMP_CONTINUE.
7604 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7605 statement pointers to basic blocks. Add type member.
7606 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7607 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7608 * tree-inline.c (estimate_num_insns_1): Likewise.
7609 * tree-pretty-print.c (dump_generic_node): Likewise.
7610 * tree-ssa-operands.c (get_expr_operands): Likewise.
7611 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7612 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7613 (OMP_CONTINUE): New.
7614 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7615 (OMP_SECTIONS_SECTIONS): Remove.
7616 (OMP_SECTION_LAST): New.
7617 (OMP_RETURN_NOWAIT): New.
7619 2006-04-13 Roger Sayle <roger@eyesopen.com>
7621 * fold-const.c (native_encode_vector, native_interpret_real):
7622 Correct obvious mistakes in the previous check-in.
7624 2006-04-13 Roger Sayle <roger@eyesopen.com>
7626 * fold-const.c (native_encode_expr): New function to encode
7627 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7628 or VECTOR_CST into a specified buffer.
7629 (native_encode_int): New function.
7630 (native_encode_real): New function.
7631 (native_encode_complex): New function.
7632 (native_encode_vector): New function.
7633 (native_interpret_expr): Inverse of native_encode_expr to convert
7634 a target representation into an INTEGER_CST, REAL_CST etc...
7635 (native_interpret_int): New function.
7636 (native_interpret_real): New function.
7637 (native_interpret_complex): New function.
7638 (native_interpret_vector): New function.
7639 (fold_view_convert_expr): New function to constant fold/evaluate
7640 a VIEW_CONVERT_EXPR of a suitable constant expression.
7641 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7642 Change call of build1 to fold_build1 when constructing a
7645 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7646 Ulrich Weigand <uweigand@de.ibm.com>
7649 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7652 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7655 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7656 optimize to lo_sum for DFmode if !TARGET_FPRS.
7658 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7660 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7661 delete_alias_info, compute_flow_sensitive_aliasing,
7662 group_aliases): Use VEC instead of VARRAY.
7663 * tree-ssa-structalias.c (update_alias_info): Likewise.
7664 * tree-ssa-structalias.h (alias_info): Change the type of
7665 processed_ptrs to VEC(tree,heap) *.
7667 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7670 * config/sh/lib1funcs.h: New file, broken out of:
7671 * config/sh/lib1funcs.asm.
7672 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7674 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7675 * config/sh/lib1funcs-Os-4-200.asm: New file.
7676 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7677 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7678 (EXTRA_MULTILIB_PARTS): Include it.
7679 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7680 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7681 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7682 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7685 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7687 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7688 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7689 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7691 * tree-ssa-live.h: Include vecprim.h.
7692 (tree_partition_associator_d): Change the type of
7693 first_partition to VEC(int,heap) *.
7694 (tpa_first_partition): Use VEC instead of VARRAY.
7696 * Makefile.in (GTFILES): Move functions.h after tree.h.
7697 * function.c (reset_block_changes, record_block_change,
7698 check_block_change, free_block_changes): Use VEC instead of
7700 * function.h (function): Change the type of
7701 ib_boundaries_block to VEC(tree,gc) *.
7702 * tree-inline.c (copy_cfg_body): Initialize
7703 ib_boundaries_block to NULL instead of (varray_type) 0.
7705 2006-04-12 Roger Sayle <roger@eyesopen.com>
7707 * expr.c (emit_group_store): Correct operand order in call to
7708 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7709 a SUBREG_BYTE of zero.
7711 2006-04-12 Richard Guenther <rguenther@suse.de>
7713 * profile.c (compute_branch_probabilities): Remove code
7714 encapsulated in !ir_type (), which are remanents of the
7715 removed RTL profiling code.
7716 * rtl-profile.c: Remove.
7718 2006-04-12 Alan Modra <amodra@bigpond.net.au>
7720 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
7721 magic NULL_RTX comment.
7722 (function_arg): Store entire fp arg to mem if any part should go
7724 (rs6000_arg_partial_bytes): Adjust for above change.
7726 2006-04-11 Roger Sayle <roger@eyesopen.com>
7728 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
7729 if it hasn't been initialized by dwarf2out_init.
7731 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
7733 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
7734 symbolic constants in branch patterns.
7736 2006-04-11 Roger Sayle <roger@eyesopen.com>
7738 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7740 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7742 PR rtl-optimization/27073
7743 * gcse.c (try_replace_reg): Revert last change. Continue to search
7744 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7747 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7749 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7750 aggregate types other than record and union types.
7751 (function_arg): Likewise.
7752 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7754 (function_value): In 64-bit mode, return objects that require it
7757 2006-04-11 Roger Sayle <roger@eyesopen.com>
7759 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7761 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7763 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7765 2006-04-03 Jeff Law <law@redhat.com>
7768 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7769 alias information too.
7771 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7773 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7775 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7778 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7779 (premark_used_types_helper): New.
7780 (premark_used_types): New.
7781 (gen_subprogram_die): Call premark_used_types.
7782 (prune_unused_types_walk): Do not prune perennial dies.
7783 * function.c (used_types_insert): New.
7784 * function.h (struct function): Add used_types_hash field.
7785 (used_types_insert): Add prototype.
7786 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
7787 * c-parser.c (c_parser_cast_expression): Save casted types in used
7790 2006-04-11 Mark Mitchell <mark@codesourcery.com>
7793 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
7794 rs6000_explicit_options.float_gprs.
7796 2006-04-10 Roger Sayle <roger@eyesopen.com>
7798 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
7799 from ix86_expand_vector_init_low_nonzero. Take an additional
7800 one_var argument indicating which element is non-zero. Support
7801 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7802 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
7803 with one_var instead of ix86_expand_vector_init_low_nonzero.
7805 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
7807 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
7808 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
7809 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
7810 build/genextract.o): Depend on vecprim.h.
7811 * cfglayout.c, df-problems.c, function.c, genextract.c,
7812 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
7813 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
7817 2006-04-10 Geoffrey Keating <geoffk@apple.com>
7819 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
7820 Declare VECs of this type.
7821 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
7822 (remove_children): Delete.
7823 (add_dwarf_attr): Use VEC routines.
7824 (add_AT_flag): Update for changes to add_dwarf_attr.
7825 (add_AT_int): Likewise.
7826 (add_AT_unsigned): Likewise.
7827 (add_AT_long_long): Likewise.
7828 (add_AT_vec): Likewise.
7829 (add_AT_string): Likewise.
7830 (add_AT_die_ref): Likewise.
7831 (add_AT_fde_ref): Likewise.
7832 (add_AT_loc): Likewise.
7833 (add_AT_loc_list): Likewise.
7834 (add_AT_addr): Likewise.
7835 (add_AT_lbl_id): Likewise.
7836 (add_AT_lineptr): Likewise.
7837 (add_AT_macptr): Likewise.
7838 (add_AT_offset): Likewise.
7839 (add_AT_range_list): Likewise.
7840 (get_AT): Use VEC_iterate.
7841 (remove_AT): Use VEC_ordered_remove.
7842 (free_die): Fold remove_children into here; have it use VEC_iterate.
7843 (print_die): Use VEC_iterate on attrs.
7844 (reverse_die_lists): Don't reverse attr lists.
7845 (die_checksum): Use VEC_iterate on attrs.
7846 (same_die_p): Likewise.
7847 (output_location_lists): Likewise.
7848 (build_abbrev_table): Likewise.
7849 (size_of_die): Likewise.
7850 (unmark_all_dies): Likewise.
7851 (output_abbrev_section): Likewise.
7852 (output_die): Likewise.
7853 (prune_unused_types_walk_attribs): Likewise.
7855 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7857 * doc/install.texi (*-*-solaris2*): Point to the configure page.
7859 2006-04-10 Jakub Jelinek <jakub@redhat.com>
7862 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
7864 2006-04-09 Roger Sayle <roger@eyesopen.com>
7866 * expr.c (store_constructor): Don't bother clearing target if
7867 we're about to assign a vector to it using vec_init_optab.
7869 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
7871 * tree-ssa-alias.c (lhs_may_store_to): New function.
7872 (recalculate_used_alone): Handle LHS of calls.
7874 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7878 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
7879 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
7880 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
7881 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
7882 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
7883 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
7884 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
7885 stubs. Add ".align 8" directives before all ".dword" directives.
7886 (GTHREAD_USE_WEAK): Revise comment.
7887 (TARGET_ATTRIBUTE_WEAK): Define.
7888 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
7889 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
7890 * stublib.c: New file.
7895 * pa.md (cbranch patterns): Revise arguments used in calls to
7896 output_cbranch, output_bb and output_bvd. Add long branch length
7898 (fbranch patterns): Handle long branches.
7899 (jump): Revise length check. Revise arguments for output_lbranch call.
7900 Add long branch length attributes.
7901 (decrement_and_branch_until_zero): Add long branch length attributes.
7902 (output_movb, output_parallel_addb and output_parallel_movb patterns):
7903 Likewise. Revise arguments for output_parallel_addb and
7904 output_parallel_movb calls.
7905 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
7906 output_parallel_movb and output_parallel_addb): Update prototypes.
7907 * pa.c (output_cbranch): Revise arguments. Correct handling of
7908 nullification in long branches.
7909 (output_lbranch): Add new argument to control extraction of delay
7911 (output_bb): Handle long branches.
7912 (output_bvb, output_dbra, output_movb, output_parallel_movb,
7913 output_parallel_addb): Likewise.
7915 2006-04-09 Richard Sandiford <richard@codesourcery.com>
7917 PR rtl-optimization/27073
7918 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
7921 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
7923 * tree.h (tree_memory_tag): Add old_used_alone.
7924 (SMT_OLD_USED_ALONE): New macro.
7925 * tree-ssa-alias.c (recalculate_used_alone): Stop
7926 marking things for renaming unnecessarily.
7928 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
7930 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
7931 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
7932 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
7933 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
7934 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
7935 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
7936 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
7937 spelling convensions.
7938 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
7939 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
7940 typos. Follow spelling conventions.
7942 2006-04-07 DJ Delorie <dj@redhat.com>
7944 * config/m32c/m32c.c (m32c_function_arg): Structures are always
7945 passed on the stack.
7946 (m32c_init_cumulative_args): When a function returns a structure,
7947 always pass the pointer to that return area on the stack.
7948 (m32c_function_arg_advance): Don't increment the parameter number
7949 if we're processing the returned structure pointer.
7950 (pushm_info): Reverse order of registers.
7952 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
7954 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
7955 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7956 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
7957 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
7959 * tree-chrec.c (chrec_fold_multiply_poly_poly,
7960 chrec_fold_multiply): Same.
7961 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
7962 force_expr_to_var_cost): Same.
7963 * tree-mudflap.c (mf_xform_derefs_1): Same.
7964 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
7966 2006-04-07 David Edelsohn <edelsohn@gnu.org>
7968 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
7969 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
7972 2006-04-07 Jan Hubicka <jh@suse.cz>
7974 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
7976 2006-04-07 Richard Guenther <rguenther@suse.de>
7978 PR tree-optimization/26135
7979 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
7980 loads for store copy-prop.
7981 (copy_prop_visit_stmt): Likewise.
7983 2006-04-05 Robert Millan <robertmh@gnu.org>
7985 * config/i386/linux.h: Add a comment to mark macros that are
7986 being overriden in config/k*bsd-gnu.h.
7987 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
7989 * config/knetbsd-gnu.h: Ditto.
7991 2006-04-06 Jan Hubicka <jh@suse.cz>
7995 * coverage.c (coverage_checksum_string): Reorganize loop to not read
7998 2006-04-06 Mike Stump <mrs@apple.com>
8000 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8001 for HAVE_nonlocal_goto to be consistent.
8002 (expand_builtin_nonlocal_goto): Likewise.
8003 (expand_builtin_strcmp): Use #ifdef instead of #if
8004 for HAVE_cmpstrnsi to be consistent.
8006 2006-04-05 DJ Delorie <dj@redhat.com>
8008 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8011 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
8013 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8014 got-relative addressing for anything but SImode.
8016 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8017 even if the calling function doesn't modify them.
8019 2006-04-05 Richard Guenther <rguenther@suse.de>
8021 PR tree-optimization/26919
8022 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8023 to cgraph_estimate_size_after_inlining.
8025 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8027 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8029 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8031 PR tree-optimization/26996
8032 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8033 VECTOR_TYPE variables.
8035 2006-04-05 Richard Guenther <rguenther@suse.de>
8037 PR tree-optimization/26763
8038 * fold-const.c (fold_comparison): Move folding of
8039 PTR + CST CMP PTR + CST ...
8040 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8042 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8044 * doc/install.texi (Prerequisites): Refine some wording on
8045 bootstrapping and ksh.
8046 Move the version numbers of DejaGnu here from the testing section
8047 and fix casing of names.
8048 Fix markup and clarify wording for autogen requirements.
8049 Refer to GCJ instead of just java.
8050 Refer to SVN instead of CVS.
8051 Describe diffutils as useful instead of necessary.
8052 (Downloading the source): Refer to SVN instead of CVS.
8053 Adjust a link to our web site accordingly.
8054 (Configuration): Fix casing of Bison.
8055 (Building): Refer to SVN instead of CVS.
8056 Fix a sentence on the use of Bison and remove duplicate (and
8057 incorrect) version number of Bison requirement.
8058 Remove one redundant list of packages needed for building.
8059 (Specific): Avoid reference to CVS.
8061 2006-04-04 Eric Christopher <echristo@apple.com>
8063 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8064 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8065 (rs6000_handle_struct_attribute): New.
8066 (rs6000_ms_bitfield_layout_p): Ditto.
8068 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8070 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8071 NULL for dso parameter to atexit_common.
8073 2006-04-04 Eric Christopher <echristo@apple.com>
8075 * config/i386/i386.c (machopic_output_stub): Output \t
8076 between instructions and operands.
8078 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8080 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8081 satisfies_constraint_[IL] to explicit tests on value.
8083 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8085 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8086 set_nb_iterations_in_loop): Use build_int_cst instead of
8088 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8089 build_int_cst instead of convert.
8091 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
8093 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8094 new value 2 for incoming.
8095 * function.c (expand_function_start): Call struct_value_rtx
8097 * config/sparc/sparc.md: Comment updated_return.
8098 * config/sparc/sparc.opt: Add -mstd-struct-return option.
8099 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8100 struct return if sparc_std_struct_return and incoming is 2.
8101 (print_operand): Do not adjust return if
8102 sparc_std_struct_return.
8104 2006-04-04 Roger Sayle <roger@eyesopen.com>
8106 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8107 convert in the middle-end.
8108 * expr.c (store_expr, store_constructor, get_inner_reference,
8109 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8111 * tree.c (build_range_type): Likewise.
8113 2006-04-04 Tom Tromey <tromey@redhat.com>
8115 * doc/install.texi (Prerequisites): Mention jar.
8117 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
8119 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8122 2006-04-04 Matthias Klose <doko@debian.org>
8124 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8128 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8131 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8133 * doc/extend.texi (Function Attributes): Rewrite visibility
8134 attribute documentation.
8135 * doc/invoke.texi (C++ Dialect Options): Rewrite
8136 -fvisibility-inlines-hidden documentation to describe something
8137 entirely different, although in practise compatible.
8138 (Code Gen Options): Warn about system headers in -fvisibility=
8141 * doc/extend.texi (Other Builtins): Document that
8142 __builtin_nan is a compile-time constant only when its argument
8145 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8147 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8148 trying to remove TRUNCATE check if all bits outside the new mode
8149 are identical to the sign bit.
8151 2006-04-03 Jeff Law <law@redhat.com>
8153 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8154 and operand scanning in some common cases.
8156 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8157 Dale Johannesen <dalej@apple.com>
8160 * regclass.c (struct reg_pref): Update documentation.
8161 (regclass): Set prefclass to NO_REGS if memory is the best option.
8162 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8163 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8164 into account. For non-registers, equate an empty preferred
8165 reload class to a `!' in the constraint; move the if clause to
8166 do so after those that reject the insn.
8167 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8169 (find_dummy_reload): Likewise.
8170 * doc/tm.texi (Register Classes): Document what it means
8171 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8172 * config/i386/i386.c (ix86_preferred_reload_class): Force
8173 using SSE registers (and return NO_REGS for floating-point
8174 constants) if math is done with SSE.
8175 (ix86_preferred_output_reload_class): New.
8176 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8177 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8178 * config/i386/i386.md: Remove # register preferences.
8180 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8183 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8184 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8185 the type of nb_iter.
8186 (instantiate_parameters_1): Convert the operands before calling
8187 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8188 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8190 2006-04-02 Roger Sayle <roger@eyesopen.com>
8192 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8193 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8195 * dojump.c (do_jump): Likewise.
8196 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8197 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8198 gimplify_boolean_expr): Likewise.
8199 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8200 * varasm.c (array_size_for_constructor): Likewise.
8201 * tree-object-size.c (compute_object_offset): Likewise.
8203 2006-04-02 Roger Sayle <roger@eyesopen.com>
8206 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8207 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8209 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8211 PR tree-optimization/26939
8212 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8214 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8216 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8217 at_stmt. Convert the type of operands before calling
8218 build_polynomial_chrec.
8219 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8221 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8222 (instantiate_parameters_1): Convert the type of operands before calling
8223 build_polynomial_chrec.
8224 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8225 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8226 reset_evolution_in_loop): Insert asserts to check the types of the
8228 (chrec_type): Moved...
8229 (eq_evolutions_p): Use operand_equal_p.
8230 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8231 the types of the operands.
8232 (chrec_type): ...here.
8233 * tree-data-ref.c (create_data_ref): Convert the operands before
8234 calling chrec_replace_initial_condition.
8235 (same_access_functions, analyze_subscript_affine_affine,
8236 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8237 (compute_subscript_distance, analyze_ziv_subscript,
8238 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8239 analyze_miv_subscript): Convert the operands before calling
8240 chrec_fold_minus or chrec_fold_plus.
8242 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8244 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8245 the dependence_relations vector.
8246 (compute_data_dependences_for_loop): Adjust call to
8247 compute_all_dependences.
8249 2006-04-01 Roger Sayle <roger@eyesopen.com>
8250 Richard Henderson <rth@redhat.com>
8252 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8253 gimple_boolify on the condition before calling gimplify_expr.
8255 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8257 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8258 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8259 the frame size. Update to use the new macros.
8260 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8261 * config/xtensa/ieee754-df.S: Likewise.
8263 2006-03-31 Richard Henderson <rth@redhat.com>
8265 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8266 (make_edges): ... here. Control fallthru creation with a local
8267 variable. Do not play with fake edges.
8268 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8269 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8272 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8274 * dwarf2.h (DW64_CIE_ID): Define.
8275 * dwarf2out.c (DWARF_CIE_ID): Define.
8276 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8277 length header. Use DWARF_CIE_ID.
8278 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8279 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8281 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8283 * config/sh/linux-atomic.asm: New file.
8284 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8286 2006-03-31 DJ Delorie <dj@redhat.com>
8288 * config/m32c/cond.md: Set condition flags properly throughout.
8289 * config/m32c/minmax.md: Likewise.
8290 * config/m32c/prologue.md: Likewise.
8291 * config/m32c/bitops.md: Likewise.
8292 * config/m32c/muldiv.md: Likewise.
8293 * config/m32c/mov.md: Likewise.
8294 * config/m32c/addsub.md: Likewise.
8295 * config/m32c/m32c.md: Likewise.
8296 * config/m32c/jump.md: Likewise.
8297 * config/m32c/shift.md: Likewise.
8299 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8300 conditionally output the pattern for this.
8301 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8302 (m32c_compare_redundant): New.
8303 (m32c_output_compare): New.
8304 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8306 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8307 dest, not src. Allow other 4-byte modes.
8309 2006-03-30 Denis Chertykov <denisc@overta.ru>
8311 * doc/md.texi: Refer to avr/constraints.md instead of
8314 2006-03-30 Roger Sayle <roger@eyesopen.com>
8316 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8317 signed vs. unsigned comparison failures on some hosts.
8319 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8322 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8323 change to FLOAT_REGS.
8325 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8326 (rs6000_override_options): Use it.
8327 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8328 only for -mabi=spe/no-spe and -mabi=altivec.
8330 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8332 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8335 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8337 * Makefile.in: Rename docdir to gcc_docdir.
8339 2006-03-30 Roger Sayle <roger@eyesopen.com>
8342 * expr.c (emit_group_store): Optimize group stores into a pseudo
8343 register by using a paradoxical subreg to initialize the destination
8344 if the first or last member of the group specifies a "low part".
8346 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8349 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8350 * target.h (struct gcc_target.speculate_insn): Change type of the
8351 second parameter to 'int'.
8352 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8353 the second operand of the DEPS_LIST.
8354 (copy_DEPS_LIST_list): Update reference to the second operand of the
8356 * rtl.h (alloc_DEPS_LIST): Update signature.
8357 * sched-int.h (ds_t): Change typedef to 'int'.
8358 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8360 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8362 * haifa-sched.c (try_ready): Change condition to restore
8363 non-speculative pattern of the instruction.
8364 (process_insn_depend_be_in_spec): Code to keep probability of the
8365 speculative dependence non-decreasing.
8367 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8369 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8370 (single_move_for_movmem): ... this. Also change all uses.
8371 (bfin_expand_strmov): Renamed to...
8372 (bfin_expand_movmem): ... this. Also change all uses.
8373 * config/bfin/bfin.md (movstrsi): Renamed to...
8374 (movstrsi): ...this.
8376 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8378 PR tree-optimization/26830
8380 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8381 (copy_prop_visit_stmt): Remove write-only variable ann.
8382 (init_copy_prop): Check variable loop depth here. Do not simulate
8383 memory-tag and virtual operand PHIs except for store copy prop.
8385 2006-03-30 Richard Guenther <rguenther@suse.de>
8387 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8388 variants with double arguments.
8390 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8392 * genpreds.c (write_tm_constrs_h): Delete variable p.
8393 * genconditions.c (write_header): Add tm-constrs.h to included
8395 * genpeep.c (main): Add toplev.h to included headers.
8396 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8397 (build/genpeep.o): Add toplev.h dependency.
8398 * config/rs6000/constraints.md: Add "W" constraint.
8400 2006-03-29 Roger Sayle <roger@eyesopen.com>
8402 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8403 sizes by correctly testing whether the size fits a host integer.
8404 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8405 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8406 SImode range for the default sizetype and bitsizetype.
8408 2006-03-29 Roger Sayle <roger@eyesopen.com>
8410 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8411 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8412 quickly if the argument is already of the correct type.
8413 Call fold_build1 instead of build1. Tidy up blank lines.
8415 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8417 * genemit.c (main): Add tm-constrs.h to included headers.
8418 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8419 * genpeep.c (main): Add tm-constrs.h to included headers.
8420 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8421 (write_tm_constrs_h): this and write complete file.
8422 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8423 (write_insn_preds_c): Add tm-constrs.h to included headers.
8424 (gen_constrs): New variable.
8425 (parse_option): Parse "-c".
8426 (main): Invoke write_tm_constrs_h.
8427 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8428 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8429 (object_out_file): Add tm-constrs.h dependency.
8430 (insn-emit.o): Same.
8431 (insn-output.o): Same.
8432 (insn-peep.o): Same.
8433 (insn-preds.o): Same.
8434 (insn-recog.o): Same.
8435 (tm-constsr.h): New target.
8436 (s-constrs-h): New target.
8438 * config/rs6000/constraints.md: New file.
8439 * config/rs6000/rs6000.c: Include tm-constrs.h.
8440 (num_insn_constant_wide): Convert to satisfies_constraint.
8441 (rs6000_rtx_costs): Convert to satisfies_constraint.
8442 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8443 (CONST_OK_FOR_LETTER_P): Delete.
8444 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8445 (EXTRA_CONSTRAINT): Delete.
8446 (EXTRA_MEMORY_CONSTRAINT): Delete.
8447 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8448 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8449 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8450 satisfies_constraint.
8452 * config/i386/i386.c: Include tm-constrs.h.
8454 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8456 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8457 * tree-data-ref.c (find_data_references_in_loop,
8458 compute_data_dependences_for_loop): Use pointers to VEC.
8459 (analyze_all_data_dependences): Adjust calls.
8460 * tree-data-ref.h (find_data_references_in_loop,
8461 compute_data_dependences_for_loop): Adjust declarations.
8462 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8463 compute_data_dependences_for_loop.
8465 2006-03-29 Paul Brook <paul@codesourcery.com>
8467 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8470 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8472 PR tree-optimization/26859
8473 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8475 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8476 for the step after fold_convert.
8478 2006-03-29 Paul Brook <paul@codesourcery.com>
8480 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8481 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8483 2006-03-29 Paul Brook <paul@codesourcery.com>
8486 * targhooks.c (default_narrow_bitfield): New fuction.
8487 * targhooks.h (default_narrow_bitfield): add prototype.
8488 * target.h (gcc_target): Add narrow_volatile_bitfield.
8489 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8490 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8491 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8492 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8494 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8496 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8498 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8499 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8500 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8501 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8502 (s390_function_arg_float): Allow SDmode and DDmode values to be
8503 passed in floating point registers.
8504 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8505 check with SCALAR_FLOAT_MODE_P.
8506 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8508 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8510 PR tree-optimization/25985
8511 * tree-ssa-loop-niter.c (number_of_iterations_le,
8512 number_of_iterations_ne): Make comments more precise.
8513 (number_of_iterations_cond): Add only_exit argument. Use the
8514 fact that signed variables do not overflow only when only_exit
8516 (loop_only_exit_p): New.
8517 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8518 number_of_iterations_cond.
8520 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8522 PR tree-optimization/26643
8523 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8526 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8528 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8529 (divsi3_i4_int): Likewise.
8531 2006-03-28 Roger Sayle <roger@eyesopen.com>
8533 * expr.c (emit_group_store): Only create a new pseudo reg if the
8534 quantity it needs to hold isn't already a suitable pseudo.
8536 2006-03-28 Jeff Law <law@redhat.com>
8538 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8539 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8541 2006-03-28 Roger Sayle <roger@eyesopen.com>
8543 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8544 the equivalent ~X & Y, and the symmetry related transformations.
8545 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8546 ~X & Y, and symmetry related transforms.
8548 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8550 Revert my 2006-03-27 patches.
8552 2006-03-28 Roger Sayle <roger@eyesopen.com>
8554 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8555 ~(T1)X, when T1 and T2 are integer types of the same precision
8556 and (T2)X isn't an extension.
8558 2006-03-28 Jeff Law <law@redhat.com>
8560 PR tree-optimization/26796
8561 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8562 need EH edge cleanups rather than purging them immediately.
8563 (eliminate_degenerate_phis): Handle queued EH cleanups.
8565 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8567 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8570 2006-03-27 Roger Sayle <roger@eyesopen.com>
8573 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8574 cast BIT_NOT_EXPR operand to the correct type.
8576 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8578 * tree-loop-linear.c: Don't include varray.h.
8579 (gather_interchange_stats, try_interchange_loops,
8580 linear_transform_loops): Use VEC instead of VARRAY.
8581 * lambda-mat.c: Don't include varray.h.
8582 * tree-chrec.c: Same.
8583 * lambda-trans.c: Same.
8584 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8585 VEC instead of VARRAY.
8586 * tree-vectorizer.h: Idem.
8587 * tree-data-ref.c (dump_data_references,
8588 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8589 initialize_data_dependence_relation, finalize_ddr_dependent,
8590 compute_all_dependences, find_data_references_in_loop,
8591 compute_data_dependences_for_loop, analyze_all_data_dependences,
8592 free_dependence_relation, free_dependence_relations,
8593 free_data_refs): Idem.
8594 * tree-data-ref.h (data_reference_p, subscript_p): New.
8595 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8596 VEC instead of VARRAY.
8597 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8598 (find_data_references_in_loop, compute_data_dependences_for_loop,
8599 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8600 dump_data_dependence_relations, free_dependence_relations,
8601 free_data_refs): Adjust declaration.
8602 (lambda_transform_legal_p): Move declaration here...
8603 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8604 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8605 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8606 vect_analyze_data_refs): Use VEC instead of VARRAY.
8607 * lambda.h (lambda_transform_legal_p): ...from here.
8608 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8609 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8610 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8611 tree-chrec.o): Don't depend on VARRAY_H.
8613 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8615 * rtl.def (Copyright): Update date.
8616 (DEPS_LIST): Change type of the second operand to 'int'.
8617 * target.h (Copyright): Update date.
8618 (struct gcc_target.speculate_insn): Change type of the second parameter
8620 * lists.c (Copyright): Update date.
8621 (alloc_DEPS_LIST): Change signature. Update reference to the second
8622 operand of the DEPS_LIST.
8623 (copy_DEPS_LIST_list): Update reference to the second operand of the
8625 * rtl.h (Copyright): Update date.
8626 (alloc_DEPS_LIST): Update signature.
8627 * sched-int.h (Copyright): Update date.
8628 (ds_t): Change typedef to 'int'.
8629 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8631 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8633 * haifa-sched.c (Copyright): Update date.
8634 (try_ready): Change condition to restore non-speculative pattern
8636 (process_insn_depend_be_in_spec): Code to keep probability of the
8637 speculative dependence non-decreasing.
8639 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8641 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8642 shut up the compiler.
8644 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8646 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8647 to use lib prefix for target.
8648 ($(T)libic_invalidate_array_4-200.a): Likewise.
8649 ($(T)libic_invalidate_array_4a.a): Likewise.
8651 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8652 J"orn Rennecke <joern.rennecke@st.com>
8654 * superh.opt: New file.
8655 * sh.c (boardtype, osruntime): Remove.
8656 * superh.h (SUBTARGET_OPTIONS): Remove.
8657 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8659 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8660 arguments with ^ and/or [].
8662 * config.gcc (sh-*-*): Add quoting to account for quirk of
8664 Replace == with = in enable_incomplete_targets test.
8666 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8667 with MASK_LITTLE_ENDIAN.
8669 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8670 * config/sh/sh.opt: Added to some comments.
8671 * config/sh/superh.h: Removed some chaff.
8673 * config/sh/sh.opt: Add m4-[1234]00* options.
8674 * config/sh/sh.c (sh_handle_option): Likewise.
8675 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8676 (ic_invalidate_array_4-100.o): New rule.
8677 ($(T)libic_invalidate_array_4-100.a): Likewise.
8678 (ic_invalidate_array_4-200.o): Likewise.
8679 ($(T)libic_invalidate_array_4-200.a): Likewise.
8680 (ic_invalidate_array_4a.o): Likewise.
8681 ($(T)libic_invalidate_array_4a.a): Likewise.
8682 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8683 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8685 * config/sh/crt1.asm: Merged in profiling code.
8686 * config/sh/superh.h (STARTFILE_SPEC): Override.
8687 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8688 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8689 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8691 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8692 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8693 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8695 * sh.opt (mpretend-cmove): New option.
8696 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8697 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8698 (movsicc): Add TARGET_PRETEND_CMOVE code.
8700 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8702 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8703 s390_class_max_nregs): New function prototypes.
8704 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8705 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8706 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8707 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8709 2006-03-26 Geoffrey Keating <geoffk@apple.com>
8711 * dwarf2out.c (add_location_or_const_value_attribute): Call
8712 tree_add_const_value_attribute if nothing else works.
8713 (reference_to_unused): New.
8714 (rtl_for_decl_init): Use reference_to_unused to decide whether
8715 to output an initializer.
8717 2006-03-27 Alan Modra <amodra@bigpond.net.au>
8720 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
8721 peephole removing spe frob_di_df_2.
8723 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
8725 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
8726 (subscript_dependence_tester_1): Declared.
8727 (print_dir_vectors, print_dist_vectors): New.
8728 (debug_data_dependence_relation): New.
8729 (dump_data_dependence_relation): Print more details.
8730 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
8731 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
8732 (save_dist_v, save_dir_v, add_outer_distances,
8733 build_classic_dist_vector_1): New.
8734 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
8735 Don't test for lambda_vector_lexico_pos.
8736 (same_access_functions, add_multivariate_self_dist,
8737 add_other_self_distances, dir_from_dist): New.
8738 (build_classic_dir_vector): Replace implementation almost identical to
8739 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8741 (subscript_dependence_tester_1): New.
8742 (subscript_dependence_tester): Handle the lexicographically negative
8743 distance vectors by recomputing the dependence relation.
8744 (compute_affine_dependence): Remove parameter loop_nest_depth.
8745 (compute_self_dependence): Don't call compute_subscript_distance.
8746 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8747 Add a parameter for the loop_nest.
8748 (find_loop_nest_1, find_loop_nest): New.
8749 (compute_data_dependences_for_loop): Compute the loop nest, and give
8750 up if the nest is not well formed.
8751 * tree-data-ref.h (loop_p): New.
8752 (struct data_dependence_relation): Replace size_vect field with
8753 loop_nest, a vec of loops.
8754 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8755 (DDR_LOOP_NEST): New.
8756 (print_dir_vectors, print_dist_vectors,
8757 debug_data_dependence_relation): Declared.
8758 (index_in_loop_nest): New.
8759 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8760 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8763 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8765 * simplify-rtx.c (simplify_relational_operation): Call
8766 simplify_relational_operation_1 even if mode is VOIDmode.
8768 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8770 PR tree-optimization/26804
8771 * tree.h (DECL_CALL_CLOBBERED): New macro.
8772 (tree_decl_common): Add call_clobbered_flag.
8773 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8774 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8775 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8776 (mark_non_addressable): Ditto.
8777 * tree-ssa.c (verify_call_clobbered): New function.
8778 (verify_alias_info): Use it.
8779 * tree-pass.h (pass_reset_cc_flags): New prototype.
8780 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8781 (reset_cc_flags): New function.
8782 * passes.c (init_optimization_passes): Call reset_cc_flags after
8783 initializing referenced_vars.
8785 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8786 Roger Sayle <roger@eyesopen.com>
8789 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8790 to 1.0 for non-real operands. Implement A / A optimization for
8793 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
8795 * config/i386/i386.c (size_cost): Correct the comment for
8796 cost of storing fp registers.
8797 (i386_cost): Likewise.
8798 (i486_cost): Likewise.
8799 (pentium_cost): Likewise.
8800 (pentiumpro_cost): Likewise.
8801 (k6_cost): Likewise.
8802 (athlon_cost): Likewise.
8803 (k8_cost): Likewise.
8804 (pentium4_cost): Likewise.
8805 (nocona_cost): Likewise.
8806 (generic64_cost): Likewise.
8807 (generic32_cost): Likewise.
8809 2006-03-24 Denis Chertykov <denisc@overta.ru>
8811 * config/avr/avr-protos.h (extra_constraint): Delete.
8812 (extra_constraint_Q): New declaration.
8813 * config/avr/constraints.md: New file.
8814 * config/avr/avr.md: Include it.
8815 (REG_X, REG_Y, REG_Z, REG_W): New constants.
8816 (TMP_REGNO, ZERO_REGNO): Likewise.
8817 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
8818 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
8819 (extra_constraint): Delete.
8820 (extra_constraint_Q): Test for memory constraint 'Q'.
8821 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
8822 (REG_CLASS_FROM_LETTER): Delete.
8823 (CONST_OK_FOR_LETTER_P): Delete.
8824 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8825 (EXTRA_CONSTRAINT): Delete.
8826 (TMP_REGNO): Delete.
8827 (ZERO_REGNO): Delete.
8829 2006-03-24 Jeff Law <law@redhat.com>
8831 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
8832 directly. Call mark_new_vars_to_rename slightly earlier.
8834 2006-03-24 Geoffrey Keating <geoffk@apple.com>
8836 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
8838 (gen_compile_unit_die): Use new language types for Objective-C and
8840 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
8841 DW_LANG_C_plus_plus.
8844 * config/t-darwin (crt3.o): Work around bug 26840.
8845 * config/darwin-crt3.c: Rewrite.
8846 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
8848 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
8850 * doc/invoke.texi: Document -femit-class-debug-always
8851 * common.opt: Add -femit-class-debug-always.
8853 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
8855 * config/s390/s390.c (s390_decompose_address): Allow SImode for
8856 index and base register.
8857 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
8858 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
8859 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
8860 REGNO_OK_FOR_INDEX_P.
8861 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
8863 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
8864 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
8865 REG_OK_FOR_BASE_P): Definitions removed.
8867 2006-03-24 Jakub Jelinek <jakub@redhat.com>
8870 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
8871 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
8872 set yet or weren't marked as local yet.
8874 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
8876 * regrename.c (scan_rtx_address): Initialize a variable to shut up
8879 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
8881 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
8882 (rs6000_legitimate_small_data_p): Delete.
8883 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
8884 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
8885 and make static. Add forward declaration. Update uses.
8886 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
8887 of offsettable_memref_p.
8888 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
8889 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
8891 2006-03-24 Jeff Law <law@redhat.com>
8893 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
8894 around bug in immediate-use iterator.
8896 2006-03-24 Alan Modra <amodra@bigpond.net.au>
8899 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
8900 or __LITTLE_ENDIAN__.
8902 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
8904 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
8905 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
8906 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
8907 * config/sh/sh.opt (mdiv=): Amend description.
8908 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
8909 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
8910 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
8911 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
8912 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
8913 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
8914 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
8915 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
8916 TARGET_DIVIDE_CALL_FP.
8918 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8920 * haifa-sched.c (choose_ready): Fix type of the local variable.
8921 Move local variables. Add comment.
8922 (check_reg_live): Change signature. Make callable from debugger.
8923 * sched-int.h (check_reg_live): Update signature.
8924 * sched-ebb.c (check_reg_live): Update parameters.
8925 * sched-rgn.c (check_reg_live): Ditto.
8926 (region_head_or_leaf_p): Check pointer before dereferencing.
8927 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
8928 before reload on optimization levels below 1.
8930 2006-03-23 Richard Henderson <rth@redhat.com>
8932 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
8936 * config/alpha/predicates.md (local_symbolic_operand): Reject
8939 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
8942 * tree-ssa-pre.c (create_value_expr_from): Don't reject
8943 expressions which have overflowed constants.
8945 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8947 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
8949 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8951 * cfgloopmanip.c (create_loop_notes): Removed.
8952 * final.c (final_scan_insn): Do not handle loop notes.
8953 * jump.c (squeeze_notes): Ditto.
8954 * cfglayout.c (skip_insns_after_block,
8955 duplicate_insn_chain): Ditto.
8956 * cfgcleanup.c (rest_of_handle_jump2): Do not call
8958 * cfgloop.h (create_loop_notes): Declaration removed.
8960 2006-03-23 Richard Sandiford <richard@codesourcery.com>
8962 * varasm.c (output_constant_pool): Restore fnname and fndecl
8964 (assemble_start_function): Adjust call accordingly.
8965 (assemble_end_function): Likewise.
8967 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8970 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
8973 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
8975 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8978 * system.h (ICE_EXIT_CODE): New macro.
8979 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
8980 (diagnostic_action_after_output): Likewise.
8981 * gcc.c (fatal_ice): New function.
8982 (execute): Use it instead of fatal.
8983 (fancy_abort): Likewise.
8984 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
8986 2006-03-22 Jeff Law <law@redhat.com>
8988 * loop-unroll.c (analyze_iv_to_split_insn): Handle
8989 iv_analyze_result returning false.
8991 2006-03-22 Jie Zhang <jie.zhang@analog.com>
8993 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
8995 2006-03-22 Richard Henderson <rth@redhat.com>
8998 * except.c (duplicate_eh_regions_0): New.
8999 (duplicate_eh_region_1): Duplicate the children of the node as
9000 well as the node itself. Link them up properly.
9001 (duplicate_eh_region_2): Merge into ...
9002 (duplicate_eh_regions): ... here. Take copy_region argument, and
9003 copy only a sub-tree if asked. Simplify copying and fixup.
9004 (eh_region_outer_p): New.
9005 * except.h (duplicate_eh_regions): Update decl.
9006 (eh_region_outer_p): Declare.
9007 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9008 (lower_omp_master): Likewise.
9009 (lower_omp_ordered): Likewise.
9010 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9011 (move_stmt_r): Use it to remap labels. Handle recursion vs
9012 remap_decls_p properly.
9013 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
9014 (find_outermost_region_in_block): New.
9015 (new_label_mapper): New.
9016 (move_sese_region_to_fn): Copy eh information to the new function
9018 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9020 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9023 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9025 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9026 into shared libraries.
9028 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9030 * doc/md.texi: Refer to i386/constraints.md instead of
9032 * config/i386/constraints.md: New file, extracted from...
9033 * config/i386/predicates.md: ...here.
9034 * config/i386/i386.md: Include constraints.md.
9036 2006-03-21 Jason Merrill <jason@redhat.com>
9038 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9041 * expr.c (init_block_move_fn): Force default visibility.
9042 (init_block_clear_fn): Likewise.
9043 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9044 * targhooks.c (default_external_stack_protect_fail): Likewise.
9046 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9048 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9049 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9050 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9051 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9052 (loadgp): Use mips_current_loadgp_style.
9053 (loadgp_noshared): New pattern.
9054 (sibcall_internal): Use MIPS_CALL.
9055 (sibcall_value_internal): Likewise.
9056 (sibcall_value_multiple_internal): Likewise.
9057 (call_internal): Likewise.
9058 (call_value_internal): Likewise.
9059 (call_value_multiple_internal): Likewise.
9060 (call_split): Use MIPS_CALL and add an 'S' constraint.
9061 (call_value_split): Likewise.
9062 (call_value_multiple_split): Likewise.
9063 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9064 (-mshared): New option.
9065 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9066 (mips_current_loadgp_style): Declare.
9067 * config/mips/mips.c (mips_classify_symbol): Avoid using
9068 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9069 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9070 TARGET_ABSOLUTE_ABICALLS.
9071 (override_options): Adjust comments. Improve the warning that is
9072 issued when -mabicalls and -G are used together.
9073 (mips_file_start): Remove comment.
9074 (mips_current_loadgp_style): New function.
9075 (mips_gnu_local_gp): New variable.
9076 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9078 (mips_output_function_prologue): Use mips_current_laodgp_style.
9079 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9080 the cprestore instruction.
9081 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9082 live for TARGET_ABSOLUTE_ABICALLS.
9083 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9084 (ASM_SPEC): Pass down -mshared and -mno-shared.
9085 (MIPS_CALL): New macro.
9086 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9088 * doc/invoke.texi (-mabicalls): Update documentation.
9089 (-mshared): Document.
9091 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9093 * config/ia64/unwind-hpux.c: New file.
9094 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9096 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9099 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9101 2006-03-21 Jeff Law <law@redhat.com>
9103 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9104 type conversions of a VR_VARYING source to a wider type.
9106 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9108 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9109 tm_file on Solaris 10 and later.
9110 (sparc64-*-solaris2*): Likewise.
9111 (sparc-*-solaris2*): Likewise.
9112 * config/sol26.h: Rename to config/sol2-6.h.
9113 * config/sol2-10.h: New file.
9115 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
9118 * tree-ssa-pre.c (create_component_ref_by_pieces):
9121 2006-03-21 Jakub Jelinek <jakub@redhat.com>
9124 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9125 return it immediately.
9127 2006-03-21 Michael Matz <matz@suse.de>
9129 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9131 (remove_arc, add_arc): Update num_out_arcs member.
9132 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9134 (cache_presence): New function.
9135 (compare_states_for_equiv): New function.
9136 (state_is_differed): Don't take number of outargs, adjust callers.
9137 Use new invariant for speeding up.
9138 (init_equiv_class): Create initial classes based on sorted
9140 (partition_equiv_class): Don't track out_arcs_num.
9141 (evaluate_equiv_classes): Call cache_presence on all states and
9144 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9146 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9147 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9148 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9149 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9151 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9152 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9153 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9154 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9155 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9157 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9158 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9159 (REGNO_REG_CLASS): ARGP is in PREGS.
9160 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9162 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9163 to deal with those addresses.
9164 * addresses.h: New file.
9165 * caller-save.c: Include "addresses.h".
9166 (init_caller_save): Use new base_reg_class function.
9167 * rtl-factoring.c: Include "addresses.h".
9168 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9169 * recog.c: Include "addresses.h".
9170 (preprocess_constraints): Use new base_reg_class function.
9171 * regrename.c: Include "addresses.h".
9172 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9173 functions. Keep track of a new var INDEX_CODE to compute valid
9175 (replace_oldest_value_addr): Likewise.
9176 (replace_oldest_value_mem): Use base_reg_class.
9177 * reload.c: Include "addresses.h".
9178 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9179 (find_reloads): Use new base_reg_class function.
9180 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9181 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9182 all callers and prototype changed.
9183 * reload1.c: Include "addresses.h".
9184 (maybe_fix_stack_asms): Use base_reg_class.
9185 * regclass.c: Include "addresses.h".
9186 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9187 (init_reg_autoinc): Use new base_reg_class function.
9188 (record_reg_classes): Likewise.
9189 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9190 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9191 Use new args to compute necessary class.
9193 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9194 regrename.o, rtl-factoring.o): Update dependencies.
9195 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9196 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9197 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9198 REG_OK_FOR_INDEX_P): Delete documentation.
9200 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9202 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9203 from V7 to V9 for Solaris 7 and above.
9205 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9207 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9208 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9209 argument pointers may not alias any other storage.
9210 * common.opt: Define option -fargument-noalias-anything.
9211 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9212 alias semantics is specified by flag_argument_noalias > 2.
9214 2006-03-20 Jeff Law <law@redhat.com>
9216 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9217 (pass_phi_only_cprop): Declare.
9218 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9220 * tree-ssa-dom.c (degenerate_phi_result): New function.
9221 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9222 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9223 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9224 (eliminate_degenerate_phis): Likewise.
9225 (pass_phi_only_cprop): New pass descriptor.
9226 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9227 support code. Callers updated.
9228 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9229 (store_copy_prop): Likewise.
9230 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9232 2006-03-20 Jason Merrill <jason@redhat.com>
9235 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9236 (push_visibility, pop_visibility): Likewise.
9237 * c-pragma.h: Declare them.
9239 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9241 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9243 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9244 parameter and use get_ebb_head_tail.
9245 (sh_md_init_global): Adjust uses of find_regmode_weight.
9247 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9249 * function.h (struct function) <x_tail_recursion_reentry>:
9250 Rename to x_stack_check_probe_note.
9251 (tail_recursion_reentry): Rename to stack_check_probe_note.
9252 * function.c: Replace tail_recursion_reentry with
9253 stack_check_probe_note everywhere.
9254 (expand_function_start): Only emit a note for
9255 stack_check_probe_note with -fstack-protect.
9256 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9258 * emit-rtl.c (remove_unnecessary_notes): Remove.
9259 (pass_remove_unnecessary_notes): Remove.
9260 * rtl.h (remove_unnecessary_notes): Remove prototype.
9261 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9262 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9263 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9265 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9268 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9269 (valid_in_set): Handle ARRAY_REF.
9270 Change "if min_variant or VH" to asserts.
9271 (create_component_ref_by_pieces): Handle ARRAY_REF.
9272 (create_expression_by_pieces): Likewise.
9273 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9275 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9277 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9278 is operand of switch, not str[0].
9280 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9282 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9283 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9285 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9287 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9288 end of insn_extra_address_constraint declaration.
9290 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9292 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9293 (no-sum-in-toc): Same.
9294 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9296 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9297 NO_FP_IN_TOC for -fPIC instead of mask.
9299 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9300 (BOOT_LDFLAGS): Delete.
9302 * config/rs6000/t-aix52: Same.
9304 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9305 (stmsi[345678]_power): New.
9307 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9309 * config/ia64/ia64.opt: Add empty line to end of file.
9311 2006-03-17 Richard Guenther <rguenther@suse.de>
9314 * builtins.c (get_pointer_alignment): For component style references
9315 adjust alignment to the component type alignment. Make sure
9316 to adjust alignment for component access of constants.
9318 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9320 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9323 2006-03-17 Paul Brook <paul@codesourcery.com>
9325 * doc/install.texi: Docuemnt --with-mode.
9326 * config.gcc: Add --with-mode for arm*-*-*.
9327 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9329 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9331 * sh.c (max_labelno_before_reorg): New variable.
9332 (sh_reorg): Initialize it.
9333 (find_barrier): Check max_labelno_before_reorg before using
9334 label_to_alignment. Take length of explicit alignment insns
9335 into account. When seeing a UNSPECV_CONST_END, return it.
9337 * sh.c (fixup_mova): Set mode of affected label to QImode.
9338 (untangle_mova): New function.
9339 (find_barrier): Use it. Check mode of label before decrementing
9341 (sh_reorg): Likewise.
9342 Set mode of all insns back to VOIDmode.
9344 * sh.c (MOVA_LABELREF): New macro.
9345 (mova_p, fixup_mova, sh_reorg): Use it.
9346 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9347 ADDR_DIFF_VEC matches mova.
9349 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9351 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9352 with ATTRIBUTE_UNUSED.
9354 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9356 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9357 pointer, instead of assuming it is possible to derive the
9358 correct args size from a call insn.
9360 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9362 * rtl.h (CONST_INT_P): Define.
9363 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9364 instead of GET_CODE(x) == CONST_INT.
9365 (vax_rtx_costs): Likewise.
9366 (vax_output_int_move): Likewise.
9367 (vax_output_int_add): Likewise.
9368 (legitimate_constant_address_p): Likewise.
9369 (index_term_p): Likewise.
9370 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9371 * config/vax/vax.md (and<mode>3): Likewise.
9372 (ashrsi3): Likewise.
9374 (movstricthi): Likewise.
9375 (movstrictqi): Likewise.
9376 (rotrsi3): Likewise.
9377 (five unnamed insns): Likewise.
9379 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9381 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9382 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9383 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9384 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9385 Pass to ASM_OUTPUT_DWARF_OFFSET.
9386 * dwarf2out.c (debug_frame_section): New.
9387 (output_call_frame_info): Use debug_frame_section. Pass it to
9388 dw2_asm_output_offset.
9389 (output_die): Pass appropriate section to dw2_asm_output_offset.
9390 (output_compilation_unit_header): Likewise.
9391 (output_pubnames): Likewise.
9392 (output_aranges): Likewise.
9393 (enum dw_val_class): Break dw_val_class_lbl_offset into
9394 dw_val_class_lineptr and dw_val_class_macptr.
9395 (add_AT_lbl_offset): Delete.
9396 (add_AT_lineptr): New.
9397 (add_AT_macptr): New.
9398 (AT_lbl): Expect a lineptr or macptr.
9399 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9400 (attr_checksum): Likewise.
9401 (same_dw_val_p): Likewise.
9402 (size_of_die): Likewise.
9403 (value_format): Likewise.
9404 (output_die): Likewise.
9405 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9407 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9408 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9409 * config/darwin-protos.h (darwin_file_start): New.
9410 (darwin_asm_output_dwarf_offset): New.
9411 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9412 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9414 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9415 if not EH section; simplify.
9416 (darwin_file_start): New.
9417 (darwin_asm_output_dwarf_offset): New.
9418 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9420 (DEBUG_INFO_SECTION): Likewise.
9421 (DEBUG_ABBREV_SECTION): Likewise.
9422 (DEBUG_ARANGES_SECTION): Likewise.
9423 (DEBUG_MACINFO_SECTION): Likewise.
9424 (DEBUG_LINE_SECTION): Likewise.
9425 (DEBUG_LOC_SECTION): Likewise.
9426 (DEBUG_PUBNAMES_SECTION): Likewise.
9427 (DEBUG_STR_SECTION): Likewise.
9428 (DEBUG_RANGES_SECTION): Likewise.
9429 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9430 (ASM_OUTPUT_DWARF_OFFSET): New.
9432 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9434 * config.gcc (tm_defines): Always add to previous value rather
9437 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9439 * config/mips/predicates.md (splittable_const_int_operand): New,
9440 split from move_operand.
9441 (splittable_symbolic_operand): New.
9442 (move_operand): Add commentary. Use splittable_const_int_operand.
9443 Inline mips_atomic_symbolic_constant_p.
9444 * config/mips/mips.md: Add combine splitters for handling moves
9445 of splittable_const_int_operands and splittable_symbolic_operands.
9446 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9447 (mips_split_symbol): Declare.
9448 (mips_move_integer): Declare.
9449 * config/mips/mips.c (mips_split_p): Make global.
9450 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9451 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9452 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9453 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9454 (mips_offset_within_object_p): Handle block symbols.
9455 (mips_atomic_symbolic_constant_p): Delete.
9456 (mips_cannot_force_const_mem): Return false for constants that
9457 mips_legitimize_move can handle.
9458 (mips_use_blocks_for_constant_p): New function.
9459 (mips_split_symbol): Make global.
9460 (mips_move_integer): Likewise. Add a temporary register argument.
9461 (mips_legitimize_const_move): Use splittable_const_int_operand and
9462 splittable_symbolic_operand.
9463 (mips_use_anchors_for_symbol_p): New function.
9464 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9465 (mips_split_p): Declare.
9467 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9469 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9470 (mips*-*-linux*): Likewise.
9472 2006-03-16 Roger Sayle <roger@eyesopen.com>
9473 Daniel Speyer <dspeyer@wam.umd.edu>
9476 * tree-dump.c (dump_real): New function.
9477 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9478 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9479 (tree-dump.o): Add $(REAL_H) to the dependencies.
9481 2006-03-16 Roger Sayle <roger@eyesopen.com>
9484 * real.c (real_from_string): If the mantissa is zero, don't bother
9485 parsing the exponent as the result should always be zero.
9487 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9489 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9491 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9493 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9494 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9495 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9496 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9497 ia64_sched_finish_global): New static functions to implement
9498 hooks from gcc_target.sched.
9499 (spec_check_no, max_uid, pending_data_specs): New static variables.
9500 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9501 ia64_spec_check_src_p): New static functions.
9502 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9503 (TARGET_SCHED_ADJUST_COST): Removed.
9504 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9505 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9506 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9507 TARGET_SCHED_GEN_CHECK,
9508 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9509 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9510 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9511 Fixed to handle speculation checks.
9512 (rtx_needs_barrier): Fixed to handle speculative loads and
9514 (ia64_variable_issue): Added code to count speculative loads and their
9516 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9518 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9520 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9522 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9523 (ia64_reorg): Reset stops_p to NULL after it is freed.
9524 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9525 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9526 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9528 (data_speculative, control_speculative, check_load): New attributes.
9529 (mov<mode>_advanced, mov<mode>_speculative,
9530 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9531 zero_extend<mode>di2_speculative,
9532 zero_extend<mode>di2_speculative_advanced): New patterns for
9533 data and control speculative loads.
9534 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9536 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9537 New pattern for data and control speculation checks.
9538 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9539 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9540 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9541 Auxiliary definitions for the patterns.
9542 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9543 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9545 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9547 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9548 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9549 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9550 New resource constraints.
9551 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9553 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9554 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9555 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9556 msched-in-control-spec, msched-ldc, msched-control-ldc,
9557 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9558 msched-prefer-non-control-spec-insns,
9559 msched-count-spec-in-critical-path): New flags to tune speculative
9561 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9562 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9563 msched-in-control-spec, msched-ldc, msched-control-ldc,
9564 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9565 msched-prefer-non-control-spec-insns,
9566 msched-count-spec-in-critical-path): Document new flags.
9568 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9570 * target.h (struct spec_info_def): New opaque declaration.
9571 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9572 speculate_insn, needs_block_p, gen_check,
9573 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9574 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9575 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9576 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9577 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9578 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9580 (TARGET_SCHED): Use new macros.
9581 * rtl.h (copy_DEPS_LIST_list): New prototype.
9582 * sched-int.h (struct sched_info): Change signature of new_ready field,
9583 adjust all initializations. New fields: add_remove_insn,
9584 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9585 region_head_or_leaf_p.
9586 (struct spec_info_def): New structure declaration.
9587 (spec_info_t): New typedef.
9588 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9589 recovery_block, orig_pat.
9590 (glat_start, glat_end): New variables declaraions.
9591 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9593 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9594 DETACH_LIFE_INFO, USE_GLAT.
9595 (enum SPEC_SCHED_FLAGS): New enumeration.
9596 (NOTE_NOTE_BB_P): New macro.
9597 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9598 attach_life_info, debug_spec_status, check_reg_live): New functions.
9599 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9600 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9602 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9603 * ddg.c (get_block_head_tail): Adjust all uses.
9604 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9605 (sms_sched_info): Initialize new fields.
9606 (contributes_to_priority): Removed.
9607 * haifa-sched.c (params.h): New include.
9608 (get_block_head_tail): Adjust all uses.
9609 (ISSUE_POINTS): New macro.
9610 (glat_start, glat_end): New global variables.
9611 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9612 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9613 old_last_basic_block, before_recovery, current_sched_info_var,
9614 rgn_n_insns, luid): New static variables.
9615 (insn_cost1): New function. Move logic from insn_cost to here.
9616 (find_insn_reg_weight1): New function. Move logic from
9617 find_insn_reg_weight to here.
9618 (reemit_notes, move_insn, max_issue): Change signature.
9619 (move_insn1): Removed.
9620 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9621 extend_bb): New static functions to support extension of scheduler's
9623 (generate_recovery_code, process_insn_depend_be_in_spec,
9624 begin_speculative_block, add_to_speculative_block,
9625 init_before_recovery, create_recovery_block, create_check_block_twin,
9626 fix_recovery_deps): New static functions to support
9627 generation of recovery code.
9628 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9629 restore_bb_notes, move_block_after_check, move_succs): New static
9630 functions to support ebb scheduling.
9631 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9632 functions to support handling of register live information.
9633 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9634 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9635 add_jump_dependencies): New static functions.
9636 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9637 consistancy checking.
9638 (debug_spec_status): New function to call from debugger.
9639 (priority): Added code to handle speculation checks.
9640 (rank_for_schedule): Added code to distinguish speculative instructions.
9641 (schedule_insn): Added code to handle speculation checks.
9642 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9643 Fixed to handle ebbs.
9644 (move_insn): Added code to handle ebb scheduling.
9645 (max_issue): Added code to use ISSUE_POINTS of instructions.
9646 (choose_ready): Added code to choose between speculative and
9647 non-speculative instructions.
9648 (schedule_block): Added code to handle ebb scheduling and scheduling of
9649 speculative instructions.
9650 (sched_init): Initialize new variables.
9651 (sched_finish): Free new variables. Print statistics.
9652 (try_ready): Added code to handle speculative instructions.
9653 * lists.c (copy_DEPS_LIST_list): New function.
9654 * sched-deps.c (extend_dependency_caches): New function. Move logic
9655 from create_dependency_caches to here.
9656 (get_dep_weak, ds_merge): Make global.
9657 * genattr.c (main): Code to output prototype for
9658 dfa_clear_single_insn_cache.
9659 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9660 (output_dfa_clean_insn_cache_func): Code to output
9661 dfa_clear_single_insn_cache function.
9662 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9664 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9666 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9667 New static variables.
9668 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9669 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9671 (ebb_sched_info): Initialize new fields.
9672 (get_block_head_tail): Adjust all uses.
9673 (compute_jump_reg_dependencies): Fixed to use glat_start.
9674 (schedule_ebb): Code to remove unreachable last block.
9675 (schedule_ebbs): Added code to update register live information.
9676 * sched-rgn.c (region_sched_info): Initialize new fields.
9677 (get_block_head_tail): Adjust all uses.
9678 (last_was_jump): Removed. Adjust users.
9679 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9680 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9681 Implement new hooks.
9682 (check_dead_notes1): New static function.
9683 (struct region): New fields: dont_calc_deps, has_real_ebb.
9684 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9685 (BB_TO_BLOCK): Fixed to handle EBBs.
9686 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9687 (ebb_head): New static variable.
9688 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9689 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9691 (compute_dom_prob_ps): New assertion.
9692 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9693 global_live_at_start.
9694 (init_ready_list): New assertions.
9695 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9696 (new_ready): Add support for BEGIN_CONTROL speculation.
9697 (schedule_insns): Fixed code that updates register live information
9699 (schedule_region): Fixed to handle EBBs.
9700 (init_regions): Use extend_regions and check_dead_notes1.
9701 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9702 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9703 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9704 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9705 TARGET_SCHED_GEN_CHECK,
9706 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9707 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9708 * doc/invoke.texi (max-sched-insn-conflict-delay,
9709 sched-spec-prob-cutoff): Document.
9711 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9713 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
9714 inter_tick, queue_index.
9715 (struct sched_info): Change signature of init_ready_list field.
9716 Adjust all initializations.
9717 (RESOLVED_DEPS): New access macro.
9718 (ready_add): Remove prototype.
9719 (try_ready): Add prototype.
9720 * sched-rgn.c (init_ready_list): Use try_ready.
9721 (schedule_region): Initialize
9722 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
9723 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
9724 (init_ready_list): Use try_ready.
9725 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
9726 * lists.c (remove_list_elem): Remove `static'.
9727 (remove_free_INSN_LIST_elem): New function.
9728 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
9729 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
9730 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
9732 (readyp): New variable.
9733 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
9734 change_queue_index, resolve_dep): New static functions.
9735 (try_ready): New function. Adjust callers in sched-rgn.c and
9736 sched-ebb.c to use it instead of ready_add.
9737 (clock_var): Move at the begining of file.
9738 (rank_for_schedule): Fix typo.
9739 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9740 (ready_lastpos): Enforce assertion.
9741 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9743 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9744 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9745 (queue_to_ready): Use free_INSN_LIST_list.
9746 (early_queue_to_ready): Fix typo.
9747 (schedule_block): Init readyp. Move init_ready_list call after the
9748 initialization of clock_var. Fix error in rejecting insn by
9749 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9750 that previously corrected INSN_TICKs. Add code for handling
9752 (set_priorities): Fix typo.
9753 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9754 Clarify comment and code that keeps current_sched_info->next_tail
9757 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9759 * sched-rgn.c (extend_rgns): New static function.
9760 (find_rgns): Use it.
9761 (gather_region_statistics, print_region_statistics): New static
9763 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9764 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9766 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9767 Andrey Belevantsev <abel@ispras.ru>
9769 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9770 * lists.c (unused_deps_list): New variable.
9771 (free_list): Add assertions to verify the proper distinguishing
9772 between INSN_LISTs and DEPS_LISTs.
9773 (find_list_elem, remove_list_elem, remove_list_node): New static
9775 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9776 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9777 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9778 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9780 (free_INSN_LIST_node): Likewise.
9781 * modulo-sched.c (current_sched_info): Initialize flags field.
9782 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9783 * rtl.def (DEPS_LIST): Define.
9784 * rtl.h: Declare new functions from lists.c.
9785 * sched-deps.c (spec_dependency_cache): New static variable.
9786 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
9787 (add_dependence): Change return type to void. Move the logic to ...
9788 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9789 (delete_all_dependences): Add comment about forward_dependency_cache.
9790 Handle spec_dependency_cache. Handle DEPS_LISTs.
9791 (fixup_sched_groups): Clarify the change of priority of output
9792 and anti dependencies.
9793 (sched_analyze_2): Adjust add_dependence calls to create data
9794 speculative dependence.
9795 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
9796 Adjust all callers. Handle DEPS_LISTS.
9797 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
9798 presence of speculation.
9799 (init_dependency_caches, free_dependency_caches):
9800 Handle spec_dependency_cache.
9801 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
9802 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
9803 New static functions.
9804 (add_or_update_back_dep, add_or_update_back_forw_dep,
9805 add_back_forw_dep, delete_back_forw_dep): New functions.
9806 * sched-int.h (ds_t, dw_t): New typedefs.
9807 (struct sched_info): Add new field flags.
9808 (struct haifa_insn_data): Add new bitfield has_internal_dep.
9809 Prototype new sched-deps.c functions.
9810 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
9811 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
9812 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
9813 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
9814 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
9815 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
9817 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
9819 * sched-rgn.c (current_sched_info): Initialize flags field.
9820 (schedule_insns): Initialize current_sched_info before the sched_init
9822 * sched-ebb.c (current_sched_info): Initialize flags field.
9823 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
9824 Call add_or_update_back_dep instead of add_dependence.
9825 Create control speculative dependencies.
9826 (schedule_insns): Initialize current_sched_info before the sched_init
9829 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
9831 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
9833 (sh_fallback_frame_state): Likewise.
9835 2006-03-15 Geoffrey Keating <geoffk@apple.com>
9837 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
9838 Do switch on default_use_cxa_atexit.
9839 (powerpc*-*-darwin*): Build crt2.o on powerpc.
9840 * config/darwin-crt3.o: New.
9841 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
9842 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
9843 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
9845 * config/rs6000/t-darwin: Move crt2.o building to here.
9846 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
9847 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
9850 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9852 * config/vax/vax.c (nonindexed_address_p): Change logical negation
9853 from '! xxx' to '!xxx' for coding-style conformance.
9854 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
9855 (EXTRA_CONSTRAINT): Likewise.
9856 * config/vax/vax.md (four unnamed insns): Likewise.
9858 2006-03-15 Paul Brook <paul@codesourcery.com>
9860 * config/arm/arm.c (minipool_pad): New.
9861 (add_minipool_forward_ref): Include pool alignment padding in address
9863 (push_minipool_fix): Set minipool_pad.
9864 (minipool_pad): Ditto.
9866 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9868 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
9869 instead of GET_CODE() == MEM and REG_P() instead of
9871 (print_operand_address): Likewise.
9872 (vax_address_cost): Likewise.
9873 (vax_rtx_costs): Likewise.
9874 (vax_notice_update_cc): Likewise.
9875 (vax_output_int_add): Likewise.
9876 (INDEX_REGISTER_P): Likewise.
9877 (BASE_REGISTER_P): Likewise.
9878 (nonindexed_address_p): Likewise.
9879 (vax_mode_dependent_address_p): Likewise.
9880 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
9881 (PRINT_OPERAND): Likewise.
9882 * config/vax/vax.md (ashlsi3): Likewise.
9883 (ashlsi3): Likewise.
9884 (some more unnamed insns): Likewise.
9886 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
9888 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
9889 iterator-style macro.
9890 (mark_control_dependent_edges_necessary): Update the use of
9891 EXECUTE_IF_CONTROL_DEPENDENT.
9893 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
9895 * config/sh/predicates.md (cache_address_operand): Special.
9896 (ua_address_operand): Likewise.
9898 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9900 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
9902 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
9904 2006-03-15 Andreas Schwab <schwab@suse.de>
9906 * gensupport.c (identify_predicable_attribute): Don't free p_false
9907 when it is still in use.
9909 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
9911 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
9912 the default setting here.
9914 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
9916 * tree-pass.h (pass_cfg): Remove.
9917 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
9918 * passes.c (pass_cfg): Don't run it.
9920 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
9922 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
9923 * reg-stack.c (stack_regs_mentioned_data): Change the type to
9925 (stack_regs_mentioned): Update the uses of
9926 stack_regs_mentioned_data. Don't access the array beyond its
9928 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
9929 Don't include gt-reg-stack.h.
9931 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
9932 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
9934 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
9937 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
9940 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9942 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
9944 2006-03-14 Richard Guenther <rguenther@suse.de>
9946 PR tree-optimization/26672
9947 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
9950 2006-03-14 Richard Guenther <rguenther@suse.de>
9952 PR tree-optimization/26667
9953 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
9954 node for the callees. Always allow inlining if it will shrink
9957 2006-03-14 Richard Guenther <rguenther@suse.de>
9960 * builtins.c (get_pointer_alignment): Prefer alignment
9961 information from decls over that from types.
9963 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
9966 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
9968 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
9970 * config/rs6000/rs6000.opt (mdlmzb): New option.
9971 (msched-prolog, msched-epilog): Use Var not Mask.
9972 * doc/invoke.texi (-mdlmzb): Document.
9973 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9975 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
9976 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
9978 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
9980 PR rtl-optimization/25739
9981 * bt-load.c (augment_live_range): Free tos pointer.
9983 * gensupport.c (identify_predicable_attribute): Free
9985 * gcov.c (create_file_names): Free name pointer.
9987 2006-03-13 Roger Sayle <roger@eyesopen.com>
9990 * stmt.c (emit_case_nodes): Handle the case where the index is a
9991 CONST_INT, where the comparison mode is specified by the index type.
9993 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9995 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
9998 2006-03-13 Richard Sandiford <richard@codesourcery.com>
10000 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10001 (*branch_fp_inverted): Likewise.
10003 2006-03-13 Jakub Jelinek <jakub@redhat.com>
10005 PR middle-end/25989
10006 * omp-low.c (expand_omp_for_generic): Mark istart0
10007 and iend0 as addressable.
10009 2006-03-13 Jie Zhang <jie.zhang@analog.com>
10011 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10013 2006-03-13 Jeff Law <law@redhat.com>
10015 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10016 virtual operands are interesting.
10017 (vrp_visit_stmt): Corresponding changes.
10019 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
10021 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10023 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10024 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10025 * config/bfin/crti.S: Use it instead of __PIC__.
10026 * config/bfin/crtn.S: Likewise.
10028 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10029 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10031 Lose 'G' modifier for call operand.
10032 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10033 recognize 'G' modifier.
10035 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10037 PR middle-end/18859
10038 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10039 * stmt.c (expand_case): Likewise.
10041 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10043 PR rtl-optimization/26254
10044 * loop-invariant.c (seq_insns_valid_p): New function.
10045 (move_invariant_reg): Only emit new code if it is valid.
10047 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10049 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10051 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10052 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10053 (commit_one_edge_insertion): Do not look for loop notes.
10055 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10057 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10058 flag_test_coverage out of loop.
10060 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10062 * final.c (shorten_branches): Remove outdated comment, and turn
10063 the if branch that guards it to continue.
10065 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10067 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10068 * cfgloop.h (struct loop): Remove unused fields.
10070 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10072 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10073 (-dL, -fdump-rtl-loop2): Update the dump file names
10075 * doc/invoke.texi: Update dump file names.
10077 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10079 * predict.c (estimate_probability): Remove.
10080 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10081 * basic-block.h (estimate_probability): Remove prototype.
10082 * passes.c (finish_optimization_passes): Dump branch prediction or
10083 profiling heuristics to the .profile tree dump.
10084 (init_optimization_passes): Unqueue pass_branch_prob.
10086 * doc/invoke.texi (-fdump-rtl-bp): Remove.
10088 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10090 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10091 * rtl.h (LABEL_NEXTREF): Remove field accessor.
10093 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
10095 * function.h (frame_offset_overflow): Declare.
10096 * function.c (frame_offset_overflow): New function.
10097 (assign_stack_local_1): Call it to detect that the offset overflows.
10098 * cfgexpand.c (alloc_stack_frame_space): Likewise.
10100 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10102 * config/sh/sh.c: Include alloc-pool.h.
10103 (label_ref_list_pool): New alloc pool.
10104 (label_ref_list_t): New type for lists of labels.
10105 (struct pool_node): Make wend a label_ref_list_t.
10106 (add_constant): Use the new type, eradicate LABEL_NEXTREF
10108 (dump_table): Likewise.
10109 (sh_reorg): Set up the alloc pool before using add_constant and
10110 dump_table, and destroy it when finishing.
10112 2006-03-11 Richard Sandiford <richard@codesourcery.com>
10114 * config/mips/mips.c: Remove redundant comment.
10116 2006-03-10 Jason Merrill <jason@redhat.com>
10119 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10120 the target was declared 'register'.
10122 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
10124 * genpreds.c (write_insn_constraint_len): Change definition of
10125 insn_constraint_len to return size_t to match the declaration.
10127 2006-03-10 DJ Delorie <dj@redhat.com>
10129 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10131 (m32c_expand_insv): Fix test for an AND mask.
10133 2006-03-10 Richard Guenther <rguenther@suse.de>
10135 PR middle-end/26565
10136 * builtins.c (get_pointer_alignment): Handle component
10137 references for field alignment.
10139 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10141 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10142 when building with libgloss.
10143 (sh*elf): Implement --without-fp option.
10144 (sh64-superh-linux*): Don't multilib.
10146 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10148 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10150 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10152 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10153 Set it when one of the replacement functions returned true.
10154 Return TODO_cleanup_cfg if cfgchanged is true.
10155 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10157 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10159 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10160 instead of gen_lowpart.
10162 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10164 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10166 (mips_output_order_conditional_branch): Declare.
10167 * config/mips/mips.h (MIPS_BRANCH): New macro.
10168 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10169 for the comparison. Use gen_condjump.
10170 (mips_output_conditional_branch): Rework interface to take the
10171 asm templates for a direct branch and the inverse of a direct branch.
10172 (mips_output_order_conditional_branch): New function.
10173 (mips_builtin_branch_and_move): New function.
10174 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10175 branch condition. Use gen_single_cc as the condition for
10176 __builtin_mips_upper_* or __builtin_mips_lower_*.
10177 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10178 Use VOIDmode for the branch condition.
10179 * config/mips/predicates.md (order_operator): New predicate.
10180 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10181 (branch_fp): Rename to...
10182 (*branch_fp): ...this. Remove mode from comparison operator.
10183 Use new mips_output_conditional_branch interface.
10184 (branch_fp_inverted): Rename to...
10185 (*branch_fp_inverted): ...this and update as for *branch_fp.
10186 (*branch_zero<mode>): Rename to...
10187 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10188 Use mips_output_order_conditional_branch. Only accept ordered
10190 (*branch_zero<mode>_inverted): Rename to...
10191 (*branch_order<mode>_inverted): ...this and update as for
10192 *branch_order<mode>.
10193 (*branch_equality<mode>): Accept zero as the second operand to
10194 the equality operator. Use the new mips_output_conditional_branch
10196 (*branch_equality<mode>_inverted): Likewise.
10197 (condjump): New expander.
10198 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10200 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10201 (bc1any2t, bc1any2f): Likewise.
10202 (single_cc): New expander.
10203 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10205 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10207 * doc/md.texi: Update documentation of MIPS constraints.
10208 * config/mips/constraints.md: New file.
10209 * config/mips/mips.md: Include it.
10210 * config/mips/mips.c (mips_char_to_class): Delete.
10211 (override_options): Don't initialize mips_char_to_class.
10212 * config/mips/mips.h (mips_char_to_class): Delete.
10213 (REG_CLASS_FROM_LETTER): Delete.
10214 (CONST_OK_FOR_LETTER_P): Delete.
10215 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10216 (EXTRA_CONSTRAINT_Y): Delete.
10217 (EXTRA_CONSTRAINT_STR): Delete.
10218 (CONSTRAINT_LEN): Delete.
10219 (EXTRA_MEMORY_CONSTRAINT): Delete.
10221 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10223 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10224 original fn's eh regions.
10226 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10228 * fold-const.c (build_range_check): Make sure to use a valid type to
10229 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10232 (range_predecessor): New static function.
10233 (range_successor): Likewise.
10234 (merge_ranges): Use them to compute predecessors and successors of
10237 2006-03-09 Roger Sayle <roger@eyesopen.com>
10239 PR middle-end/26561
10240 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10241 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10243 2006-03-08 DJ Delorie <dj@redhat.com>
10245 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10246 (addpsi3): Expand to include memory operands. Remove
10247 reload-specific splits.
10248 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10249 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10250 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10251 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10252 (shift1_qi, shift1_hi, insv): New.
10253 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10254 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10255 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10257 * config/m32c/m32c-protos.h: Update as needed.
10258 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10259 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10260 Fail for unrecognized R* constraints.
10261 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10262 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10263 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10265 (m32c_init_libfuncs): New.
10266 (m32c_legitimate_address_p): Add debug wrapper.
10267 (m32c_rtx_costs): New.
10268 (m32c_address_cost): New.
10269 (conversions): Add 'B' prefix.
10270 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10271 operands, or word regnames for QI operands. 'B' prints bit
10273 (m32c_expand_setmemhi): New.
10274 (m32c_expand_movmemhi): New.
10275 (m32c_expand_movstr): New.
10276 (m32c_expand_cmpstr): New.
10277 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10278 (m32c_expand_neg_mulpsi3): Handle non-ints.
10279 (m32c_cmp_flg_0): New.
10280 (m32c_expand_movcc): New.
10281 (m32c_expand_insv): New.
10282 (m32c_scc_pattern): New.
10283 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10284 a0/a1 out of SIregs.
10285 (STORE_FLAG_VALUE): New.
10286 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10289 * config/m32c/mov.md: Make constraints more liberal.
10290 (zero_extendqihi2): Optimize r0/r1 case.
10291 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10292 * config/m32c/predicates.md (m32c_any_operand): New.
10293 (m32c_nonimmediate_operand): New.
10294 (m32c_hl_operand): New.
10295 (m32c_r3_operand): New.
10298 (memsym_operand): New.
10299 (memimmed_operand): New.
10300 (a_qi_operand): New.
10301 (m32c_eqne_operator): New.
10302 (m32c_1bit8_operand): New.
10303 (m32c_1bit16_operand): New.
10304 (m32c_1mask8_operand): New.
10305 (m32c_1mask16_operand): New.
10306 * config/m32c/blkmov.md: New file.
10307 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10309 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10311 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10312 unsigned to fix signed/unsigned comparison issue in
10313 DWARF2_FRAME_REG_OUT.
10314 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10315 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10317 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10318 of ptr into the ENABLE_CHECKING section.
10320 2006-03-08 Jeff Law <law@redhat.com>
10322 * tree-vrp.c (infer_value_range): Only count pointer uses
10323 and dereferences if -fdelete-null-pointer-checks is enabled.
10325 * tree-vrp.c (find_assert_locations): Infer value ranges for
10326 single use pointers, but do not create ASSERT_EXPRs for them.
10327 When a non-null range is inferred for a pointer, backwards
10328 propagate that range to other equivalent pointers through the
10331 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10334 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10335 language hook targets.
10336 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10337 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10338 if language hook targets were missing.
10340 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10342 * tree-ssa-opfinalize.h: Removed.
10343 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10345 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10346 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10347 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10348 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10349 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10350 finalize_ssa_v_must_def_ops): New.
10352 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10354 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10355 block as parameter.
10357 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10359 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10361 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10362 addresses with offsets; reorganize.
10364 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10365 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10366 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10368 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10371 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10373 2006-03-08 Ben Elliston <bje@au.ibm.com>
10375 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10377 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10380 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10383 2006-03-07 Richard Guenther <rguenther@suse.de>
10385 PR tree-optimization/26587
10386 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10388 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10390 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10392 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10394 * hooks.c (hook_bool_mode_rtx_true): New function.
10395 * hooks.h (hook_bool_mode_rtx_true): Declare.
10396 * toplev.c (compile_file): Call output_shared_constant_pool.
10397 * varasm.c (shared_constant_pool): New variable.
10398 (assemble_start_function, assemble_end_function): Remove arguments
10399 from call to output_constant_pool.
10400 (create_constant_pool): New function, split out from...
10401 (init_varasm_status): ...here.
10402 (force_const_mem): Choose between the shared and per-function constant
10403 pools. Set current_function_uses_const_pool when reusing old entries
10404 as well as when creating new ones.
10405 (mark_constant): Ignore data argument.
10406 (mark_constants): Remove pool argument.
10407 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10408 to decide whether the function uses a constant pool.
10409 (output_constant_pool_contents): New function, split out from...
10410 (output_constant_pool): ...here.
10411 (output_shared_constant_pool): New function.
10412 (init_varasm_once): Initialize shared_constant_pool.
10413 * output.h (output_constant_pool): Delete.
10414 (output_shared_constant_pool): Declare.
10415 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10416 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10418 2006-03-06 Nick Clifton <nickc@redhat.com>
10420 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10421 flag_strength_reduce.
10423 2006-03-06 Ben Elliston <bje@au.ibm.com>
10425 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10426 x86_64-*-linux* configurations.
10428 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10429 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10431 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10433 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10435 * basic-block.h: Remove the extern for
10436 rediscover_loops_after_threading.
10438 * cfgloop.c (cancel_loop): Make it static.
10439 * cfgloop.h: Remove the prototype for cancel_loop.
10441 * flow.c (recompute_reg_usage): Make it static.
10442 * rtl.h: Remove the prototype for recompute_reg_usage.
10444 * function.c (use_return_register): Make it static.
10445 * function.h: Remove the prototype.
10447 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10449 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10451 * recog.h: Remove the prototype for
10452 validate_change_maybe_volatile.
10454 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10456 * rtlanal.c (replace_reg): Remove.
10457 * rtl.h: Remove the prototype for replace_reg.
10459 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10461 * regclass.c (reg_scan_update): Remove.
10462 (reg_scan_mark_refs): Remove the last argument.
10463 * rtl.h: Remove the prototype for reg_scan_update.
10465 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10467 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10468 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10469 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10470 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10471 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10472 loop-invariant.c, omp-low.c, opts.c, passes.c,
10473 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10474 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10475 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10476 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10477 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10478 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10480 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10482 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10483 * dwarf2out.h: Remove the prototype for
10484 dwarf2out_add_library_unit_info.
10486 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10488 * tree.c (add_var_to_bind_expr): Remove.
10489 * tree.h: Remove the prototype for add_var_to_bind_expr.
10491 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10493 * regclass.c (n_non_fixed_regs): Remove.
10494 (init_reg_sets_1, globalize_reg): Remove all uses of
10496 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10498 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10500 * rtlanal.c (insns_safe_to_move_p): Remove.
10501 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10503 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10505 * expmed.c (expand_mult_add): Remove.
10506 * expr.h: Remove the prototype for expand_mult_add.
10508 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10510 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10511 and REG_SAVED_VAL_EXP constants.
10512 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10513 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10514 Handle regs stored by value.
10515 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10516 (execute_cfa_program): Handle DW_CFA_val_offset,
10517 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10518 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10519 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10520 (uw_install_context_1): Handle target regs stored by value.
10522 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10524 * tree-sra.c (tree_sra): Return todoflags;
10525 (generate_one_element): Set TODO_update_smt_usage if needed.
10526 (pass_sra): Remove TODO_update_smt_usage.
10527 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10529 (tree_ssa_forward_propagate_single_use_vars): Return
10530 TODO_update_smt_usage if we need to update SMT usage.
10531 (pass_forwprop): Remove TODO_update_smt_usage.
10533 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10535 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10536 (correct_use_link): Remove reference to get_stmt_operands.
10537 (update_stmt_operands): Likewise.
10538 (get_modify_expr_operands): New function factored out of
10539 parse_ssa_operands and get_expr_operands.
10540 Try to create V_MUST_DEFs for LHS by default.
10541 (get_expr_operands) <case MODIFY_EXPR>: Call
10542 get_modify_expr_operands.
10543 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10544 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10545 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10546 get_modify_expr_operands.
10548 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10550 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10551 * tree-flow.h: Remove the prototype for
10552 referenced_var_lookup_if_exists.
10554 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10556 PR rtl-optimization/26345
10558 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10560 2006-03-03 Roger Sayle <roger@eyesopen.com>
10562 PR tree-optimization/26524
10563 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10564 fold_convert to create a constant of the appropriate type.
10566 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10568 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10569 SYMBOL_REF_IN_BLOCK_P.
10570 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10571 of SYMBOL_FLAG_IN_BLOCK.
10572 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10573 instead of SYMBOL_REF_IN_BLOCK_P.
10574 * explow.c (use_anchored_address): Likewise.
10575 * rtl.c (rtx_size): Likewise.
10576 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10577 instead of SYMBOL_FLAG_IN_BLOCK.
10578 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10579 SYMBOL_REF_IN_BLOCK_P.
10580 (assemble_variable): Likewise.
10581 (output_constant_def_contents): Likewise.
10582 (output_constant_pool): Likewise.
10583 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10584 instead of SYMBOL_FLAG_IN_BLOCK.
10585 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10586 SYMBOL_REF_IN_BLOCK_P.
10587 (SYMBOL_REF_BLOCK): Likewise.
10588 (SYMBOL_REF_OFFSET): Likewise.
10589 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10590 SYMBOL_REF_IN_BLOCK_P.
10591 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10592 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10593 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10594 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10596 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10598 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10600 2006-03-02 Roger Sayle <roger@eyesopen.com>
10602 * simplify-rtx.c (simplify_unary_operation): When simplifying
10603 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10604 that we perform the right shift in the appropriate mode, and
10605 then extend or truncate the result to requested mode.
10607 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10609 * gengtype.c (main): Handle double_int type.
10610 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10611 * double-int.c: New file.
10612 * double-int.h: New file.
10613 * system.h: Include doubleint.h.
10614 * Makefile.in (SYSTEM_H): Include double-int.h.
10615 (double-int.o): Add.
10617 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10620 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10623 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10625 * tree-vrp.c (remove_range_assertions): Do not update statements
10628 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10630 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10632 * gcse.c (rest_of_handle_gcse): Ditto.
10633 * except.c (gate_handle_eh): Ditto.
10634 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10635 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10637 2006-03-02 Eric Christopher <echristo@apple.com>
10639 * config/i386/i386.c (machopic_output_stub): Add indirection to
10642 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10646 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10648 Sun Niagara specific optimizations.
10649 * config.gcc: Recognize niagara as target.
10650 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10651 (TARGET_CPU_niagara): Define.
10652 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10653 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10654 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10655 (ASM_CPU_SPEC): Likewise.
10656 (PROCESSOR_NIAGARA): New enum entry.
10657 (REGISTER_MOVE_COST): Handle Niagara.
10658 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10659 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10660 (sparc_override_options): Recognize "niagara", set appropriate
10661 default MASK_* values for it, and align functions to 32-bytes
10662 by default just like ULTRASPARC/ULTRASPARC3.
10663 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10664 (sparc64_initialize_trampoline): Likewise.
10665 (sparc_use_sched_lookahead): Use zero for niagara.
10666 (sparc_issue_rate): Use one for niagara.
10667 * config/sparc/niagara.md: New file.
10668 * config/sparc/sparc.md: Include it.
10669 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10670 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10671 when default cpu is niagara.
10672 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10673 (ASM_CPU_SPEC): Likewise.
10674 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10675 when default cpu is niagara.
10676 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10677 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10678 just like v9/ultrasparc/ultrasparc3.
10679 * doc/invoke.texi: Add documentation for "niagara" and improve
10680 existing documentation for ultrasparc variants.
10682 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10684 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10686 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10688 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10689 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10690 and say that only one is needed.
10691 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10692 * target.h (have_switchable_bss_sections): New hook.
10693 * explow.c (use_anchored_address): Check that the symbol is in a block.
10694 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10695 (bss_noswitch_section): New variables.
10696 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10697 (get_noswitch_section): New function.
10698 (get_block_for_section): Allow SECT to be null.
10699 (unlikely_text_section_p): Use SECTION_STYLE.
10700 (bss_initializer_p): New function.
10701 (get_variable_section): Move earlier in file. Take a new argument,
10702 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10703 Return one of the new *_sections in such cases.
10704 (get_block_for_decl): New function, extracting some logic from
10705 use_blocks_for_decl_p.
10706 (change_symbol_section): Remove in favor of...
10707 (change_symbol_block): ...this new function.
10708 (use_blocks_for_decl_p): Remove checks now performed by
10709 get_block_for_decl.
10710 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
10711 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
10712 (emit_local, emit_bss, emit_common): ...these new functions.
10713 Return true if the alignment was honored.
10714 (emit_tls_common): New function.
10715 (asm_emit_uninitialised): Delete.
10716 (assemble_variable_noswitch): New function, split out from...
10717 (assemble_variable): ...here. Don't make decisions about common
10718 variables here. Globalize all public decls that go into non-common
10719 sections. Check whether SYMBOL_REF_BLOCK is null.
10720 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
10721 (output_constant_pool): Likewise.
10722 (init_varasm_once): Initialize the new section variables.
10723 (have_global_bss_p): New function.
10724 (categorize_decl_for_section): Use bss_initializer_p.
10725 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
10726 (place_block_symbol): Assert that the symbol must be in a block.
10727 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
10728 (TARGET_INITIALIZER): Include it.
10729 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
10730 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
10731 (SECTION_MACH_DEP): Bump by two.
10732 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
10733 (unnamed_section): Mention SECTION_UNNAMED in comment.
10734 (named_section): Likewise SECTION_NAMED.
10735 (noswitch_section_callback): New type.
10736 (noswitch_section): New structure.
10737 (section): Add a noswitch_section alternative.
10738 (SECTION_STYLE): New macro.
10739 (tls_comm_section, comm_section, lcomm_section): Declare.
10740 (bss_noswitch_section, have_global_bss_p): Declare.
10741 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10742 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10744 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10745 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10748 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10750 * tree-vrp.c (execute_vrp): Return value.
10751 * regrename.c (rest_of_handle_regrename): Ditto.
10752 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10753 * tree-complex.c (tree_lower_complex): Ditto.
10754 (tree_lower_complex_O0): Ditto.
10755 * tracer.c (rest_of_handle_tracer): Ditto.
10756 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10757 * postreload.c (rest_of_handle_postreload): Ditto.
10758 * tree-tailcall.c (execute_tail_recursion): Ditto.
10759 (execute_tail_calls): Ditto.
10760 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10761 * tree.h (init_function_for_compilation): Ditto.
10762 * ipa-cp.c (ipcp_driver): Ditto.
10763 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10764 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10765 * final.c (compute_alignments): Ditto.
10766 (rest_of_handle_final): Ditto.
10767 (rest_of_handle_shorten_branches): Ditto.
10768 (rest_of_clean_state): Ditto.
10769 * omp-low.c (execute_expand_omp): Ditto.
10770 (execute_lower_omp): Ditto.
10771 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10772 * ipa-reference.c (static_execute): Ditto.
10773 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10774 * reorg.c (rest_of_handle_delay_slots): Ditto.
10775 (rest_of_handle_machine_reorg): Ditto.
10776 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10777 * flow.c (recompute_reg_usage): Ditto.
10778 (rest_of_handle_remove_death_notes): Ditto.
10779 (rest_of_handle_life): Ditto.
10780 (rest_of_handle_flow2): Ditto.
10781 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10782 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10783 (do_ssa_store_ccp): Ditto.
10784 (execute_fold_all_builtins): Ditto.
10785 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10786 * modulo-sched.c (rest_of_handle_sms): Ditto.
10787 * ipa-pure-const.c (static_execute): Ditto.
10788 * cse.c (rest_of_handle_cse): Ditto.
10789 (rest_of_handle_cse2): Ditto.
10790 * web.c (rest_of_handle_web): Ditto.
10791 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10792 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
10793 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
10794 * tree-nrv.c (tree_nrv): Ditto.
10795 (execute_return_slot_opt): Ditto.
10796 * tree-ssa-alias.c (compute_may_aliases): Ditto.
10797 (create_structure_vars): Ditto.
10798 * loop-init.c (rtl_loop_init): Ditto.
10799 (rtl_loop_done): Ditto.
10800 (rtl_move_loop_invariants): Ditto.
10801 (rtl_unswitch): Ditto.
10802 (rtl_unroll_and_peel_loops): Ditto.
10803 (rtl_doloop): Ditto.
10804 * gimple-low.c (lower_function_body): Ditto.
10805 (mark_used_blocks): Ditto.
10806 * tree-ssa-sink.c (execute_sink_code): Ditto.
10807 * ipa-inline.c (cgraph_decide_inlining): Ditto.
10808 (cgraph_early_inlining): Ditto.
10809 * global.c (rest_of_handle_global_alloc): Ditto.
10810 * jump.c (cleanup_barriers): Ditto.
10811 (purge_line_number_notes): Ditto.
10812 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
10813 (rest_of_handle_if_after_reload): Ditto.
10814 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
10815 (tree_ssa_loop_im): Ditto.
10816 (tree_ssa_loop_unswitch): Ditto.
10817 (tree_vectorize): Ditto.
10818 (tree_linear_transform): Ditto.
10819 (tree_ssa_loop_ivcanon): Ditto.
10820 (tree_ssa_empty_loop): Ditto.
10821 (tree_ssa_loop_bounds): Ditto.
10822 (tree_complete_unroll): Ditto.
10823 (tree_ssa_loop_prefetch): Ditto.
10824 (tree_ssa_loop_ivopts): Ditto.
10825 (tree_ssa_loop_done): Ditto.
10826 * predict.c (tree_estimate_probability): Ditto.
10827 * recog.c (split_all_insns_noflow): Ditto.
10828 (rest_of_handle_peephole2): Ditto.
10829 (rest_of_handle_split_all_insns): Ditto.
10830 * tree-eh.c (lower_eh_constructs): Ditto.
10831 * regmove.c (rest_of_handle_regmove): Ditto.
10832 (rest_of_handle_stack_adjustments): Ditto.
10833 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
10834 * function.c (instantiate_virtual_regs): Ditto.
10835 (init_function_for_compilation): Ditto.
10836 (rest_of_handle_check_leaf_regs): Ditto.
10837 * gcse.c (rest_of_handle_jump_bypass): Ditto.
10838 (rest_of_handle_gcse): Ditto.
10839 * ipa-type-escape.c (type_escape_execute): Ditto.
10840 * alias.c (rest_of_handle_cfg): Ditto.
10841 * tree-if-conv.c (main_tree_if_conversion): Ditto.
10842 * profile.c (rest_of_handle_branch_prob): Ditto.
10843 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
10844 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
10845 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
10846 * tree-dfa.c (find_referenced_vars): Ditto.
10847 * except.c (set_nothrow_function_flags): Ditto.
10848 (convert_to_eh_region_ranges): Ditto.
10849 (rest_of_handle_eh): Ditto.
10850 * emit-rtl.c (unshare_all_rtl): Ditto.
10851 (remove_unnecessary_notes): Ditto.
10852 * except.h (set_nothrow_function_flags): Ditto.
10853 (convert_to_eh_region_ranges): Ditto.
10854 * cfgexpand.c (tree_expand_cfg): Ditto.
10855 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
10856 * tree-ssa-pre.c (do_pre): Ditto.
10857 (execute_fre): Ditto.
10858 * cfgcleanup.c (rest_of_handle_jump): Ditto.
10859 (rest_of_handle_jump2): Ditto.
10860 * tree-sra.c (tree_sra): Ditto.
10861 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
10862 (execute_mudflap_function_decls): Ditto.
10863 * tree-ssa-copy.c (do_copy_prop): Ditto.
10864 (do_store_copy_prop): Ditto.
10865 * ipa-prop.h (ipcp_driver): Ditto.
10866 * cfglayout.c (insn_locators_initialize): Ditto.
10867 * tree-ssa-forwprop.c
10868 (tree_ssa_forward_propagate_single_use_vars): Ditto.
10869 * cfglayout.h (insn_locators_initialize): Ditto.
10870 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
10871 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
10872 (execute_late_warn_uninitialized): Ditto.
10873 * rtl.h (cleanup_barriers): Ditto.
10874 (split_all_insns_noflow): Ditto.
10875 (purge_line_number_notes): Ditto.
10876 (unshare_all_rtl): Ditto.
10877 (remove_unnecessary_notes): Ditto.
10878 (recompute_reg_usage): Ditto.
10879 (variable_tracking_main): Ditto.
10880 * integrate.c (emit_initial_value_sets): Ditto.
10881 * integrate.h (emit_initial_value_sets): Ditto.
10882 * tree-optimize.c (execute_free_datastructures): Ditto
10883 (execute_free_cfg_annotations): Ditto.
10884 (execute_fixup_cfg): Ditto.
10885 (execute_cleanup_cfg_pre_ipa): Ditto.
10886 (execute_cleanup_cfg_post_optimizing): Ditto.
10887 (execute_init_datastructures): Ditto.
10888 * tree-object-size.c (compute_object_sizes): Ditto.
10889 * combine.c (rest_of_handle_combine): Ditto.
10890 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
10891 * bb-reorder.c (duplicate_computed_gotos): Ditto.
10892 (rest_of_handle_reorder_blocks): Ditto.
10893 (rest_of_handle_partition_blocks): Ditto.
10894 * var-tracking.c (variable_tracking_main): Ditto.
10895 * tree-profile.c (tree_profiling): Ditto.
10896 * tree-vect-generic.c (expand_vector_operations): Ditto.
10897 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
10898 * sched-rgn.c (rest_of_handle_sched): Ditto.
10899 (rest_of_handle_sched2): Ditto.
10900 * basic-block.h (free_bb_insn): Ditto.
10901 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
10902 * tree-cfg.c (execute_build_cfg): Ditto.
10903 (remove_useless_stmts): Ditto.
10904 (split_critical_edges): Ditto.
10905 (execute_warn_function_return): Ditto.
10906 (execute_warn_function_noreturn): Ditto.
10907 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
10908 * cfgrtl.c (free_bb_for_insn): Ditto.
10909 * passes.c (execute_one_pass): Run additional
10910 todos returned by execute function.
10911 * tree-pass.h (struct tree_opt_pass): Make execute
10914 2006-03-02 Richard Guenther <rguenther@suse.de>
10916 * tree-ssa-alias.c (find_used_portions): Consider taking
10917 the address as making the variable not write-only.
10919 2006-03-02 Nick Clifton <nickc@redhat.com>
10921 * config.gcc (default_use_cxa_atexit): Extend the description of
10922 this configure variable. Set its default value to "yes" for
10923 Linux, NetBSD and ELF targets on the assumption that they will
10924 use C libraries with the __cxa_atexit function.
10926 2006-03-02 Ben Elliston <bje@au.ibm.com>
10928 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
10929 parameter as unused to suppress a build warning.
10931 2006-03-02 Ben Elliston <bje@au.ibm.com>
10933 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
10936 2006-03-01 Roger Sayle <roger@eyesopen.com>
10939 * gthr-posix.h (__gthrw2): Define to take three parameters, the
10940 declared name, the weak reference name, and the typeof name.
10941 (__gthrw): Avoid expanding the declared name suffix.
10942 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
10944 2006-03-01 Jakub Jelinek <jakub@redhat.com>
10946 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
10948 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
10949 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
10950 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
10951 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
10952 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
10953 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
10954 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
10955 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
10956 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
10957 DW_DS_leading_separate, DW_DS_trailing_separate): New.
10958 (DW_END_default, DW_END_big, DW_END_little): New.
10959 (DW_END_lo_user, DW_END_hi_user): Define.
10960 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
10961 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
10962 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
10965 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10967 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
10969 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
10971 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
10973 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
10975 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
10976 to 'symbol_mem_tag'.
10978 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
10981 2006-03-01 Roger Sayle <roger@eyesopen.com>
10983 * builtins.c (fold_builtin_copysign): Delete unreachable code.
10985 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10988 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
10989 MACHO_DYNAMIC_NO_PIC_P.
10990 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
10992 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10995 * config/darwin-protos.h (darwin_asm_output_anchor):
10997 * config/darwin-sections.def (cstring_section):
10998 Add SECTION_MERGE to the flags.
10999 (literal4_section): Likewise.
11000 (literal8_section): Likewise.
11001 (objc_selector_refs_section): Likewise.
11002 (objc_cls_refs_section): Likewise.
11003 * config/darwin.c (darwin_asm_output_anchor): New
11005 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11007 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
11009 Fix PR tree-optimization/26443
11010 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11011 to todo and PROP_tmt_usage to properties_destroyed.
11012 * tree-ssa-ccp.c (pass_ccp): Ditto.
11013 (pass_store_ccp): Ditto.
11014 * tree-ssa-dom.c (pass_dominator): Ditto.
11016 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11018 * tree-ssa-operands.c: Cleanup whitespace.
11019 (get_asm_expr_operands): Move before first invocation.
11020 (get_indirect_ref_operands): Likewise.
11021 (get_tmr_operands): Likewise.
11022 (get_call_expr_operands): Likewise.
11023 (append_def): Likewise.
11024 (append_use): Likewise.
11025 (append_v_may_def): Likewise.
11026 (append_v_must_def): Likewise.
11027 (add_call_clobber_ops): Likewise.
11028 (add_call_read_ops): Likewise.
11029 (add_stmt_operand): Likewise.
11030 (add_virtual_operand): Likewise.
11031 (build_ssa_operands): Likewise.
11033 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11035 PR middle-end/26022
11037 PR middle-end/24437
11038 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11039 with a call expr to ...
11040 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11042 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11044 * tree-vrp.c (extract_range_from_assert): Remove special
11045 handling for types with super-types.
11047 2006-03-01 Ben Elliston <bje@au.ibm.com>
11049 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11050 and powerpc64-*-linux* configurations.
11051 * config/t-dfprules: New file.
11053 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11054 Compile dfp-bit.c from the source directory using -DWIDTH and
11055 $DFP_CFLAGS to control the compilation of that file, rather than
11056 generating width-specific versions in the build directory.
11057 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11058 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11060 2006-02-28 Zack Weinberg <zackw@panix.com>
11062 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11065 2006-02-28 Eric Christopher <echristo@apple.com>
11067 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11068 Set up IN_LIBGCC definition of TARGET_64BIT.
11069 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11071 2006-02-28 Roger Sayle <roger@eyesopen.com>
11073 PR middle-end/14752
11074 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11075 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11076 cases via the construction of "expr != 0".
11078 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11080 * alias.c (alias_invariant, alias_invariant_size): Remove.
11081 (record_base_value): Remove.
11082 (memrefs_conflict_p): Don't look at alias_invariant.
11083 (end_alias_analysis): Don't free it.
11084 * alias.h (record_base_value): Remove prototype.
11086 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
11087 Adam Nemet <anemet@caviumnetworks.com>
11089 * rtl.h (truncated_to_mode): Declare it.
11090 (struct rtl_hooks): Add reg_truncated_to_mode hook.
11091 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11092 (RTL_HOOKS_INITIALIZER): Include it.
11093 * rtlhooks.c (reg_truncated_to_mode_general): New function.
11094 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11095 reg_truncated_to_mode.
11096 * rtlanal.c (truncated_to_mode): Define it.
11097 * simplify-rtx.c (simplify_unary_operation_1): Use it.
11099 2006-02-28 Jeff Law <law@redhat.com>
11101 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11102 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11103 the range allowed by TYPE_PRECISION.
11105 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11107 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11109 PR tree-optimization/26419
11110 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11113 2006-02-27 Zack Weinberg <zackw@panix.com>
11115 * doc/md.texi: Fix typo in previous change.
11117 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
11121 2006-02-27 Zack Weinberg <zackw@panix.com>
11123 * rtl.def (define_constraint, define_register_constraint)
11124 (define_memory_constraint, define_address_constraint): New MD forms.
11125 * gensupport.c (process_rtx): Put define_constraint etc on the
11127 * genpreds.c (process_define_predicate): Adjust comment. Validate
11128 the name, and call validate_exp to validate the expression.
11129 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11130 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11131 all callers changed.
11132 (validate_exp, needs_variable, struct constraint_data)
11133 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11134 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11135 (const_dbl_constraints, constraint_max_namelen)
11136 (have_register_constraints, have_memory_constraints)
11137 (have_address_constraints, have_address_constraints)
11138 (have_extra_constraints, have_const_int_constraints)
11139 (have_const_dbl_constraints, mangle, add_constraint)
11140 (process_define_constraint, process_define_register_constraint)
11141 (write_enum_constraint_num, write_lookup_constraint)
11142 (write_insn_constraint_len, write_regclass_for_constraint)
11143 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11144 (write_insn_extra_memory_constraint)
11145 (write_insn_extra_address_constraint)
11146 (write_satisfies_constraint_fns): New.
11147 (write_tm_preds_h): If we have new-style constraint definitions,
11148 prototype the functions generated from them, and define the
11149 old constraint interface (still used by generic code) in terms of
11151 (write_insn_preds_c): If we have new-style constraint definitions,
11152 generate all relevant functions from those definitions.
11153 (main): Handle define_constraint etc.
11154 * genoutput.c (struct constraint_data, indep_constraints)
11155 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11156 (mdep_constraint_len): New data structures and functions, defined
11157 #ifdef USE_MD_CONSTRAINTS.
11158 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11159 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11160 use new logic to validate operand constraints against constraint
11162 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11164 * defaults.h: If none of the old-style constraint macros are
11165 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11166 old-style macros; and poison REG_CLASS_FROM_LETTER,
11167 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11169 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11170 * doc/md.texi: Document new constraint-definition mechanism and the
11171 C interface it provides. Remove references to old mechanism
11172 elsewhere in the document.
11173 (Machine Constraints): Use pathnames relative to gcc directory,
11174 i.e. config/ARCH/FILE. Change i386 section to refer to
11175 config/i386/predicates.md; update that section to match docstrings.
11176 * doc/tm.texi: Move all documentation of the old constraint-
11177 definition macros to their own section, clearly mark as obsolete.
11179 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11180 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11182 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11183 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11184 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11185 constraint strings.
11186 (splits and peepholes): Use satisfies_constraint_*.
11187 * config/i386/i386.c (memory_address_length)
11188 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11190 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11192 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11193 scalar operation to be put back into the loop.
11195 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11198 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11199 (extract_cie_info): Handle S flag in augmentation string.
11200 (execute_cfa_program): If context->signal_frame, execute also
11201 fs->pc == context->ra instructions.
11202 (uw_frame_state_for): If context->signal_frame, don't subtract one
11203 from context->ra to find FDE.
11204 (uw_update_context_1): Set context->signal_frame to
11206 (_Unwind_GetIPInfo): New function.
11207 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11208 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11210 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11211 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11212 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11213 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11214 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11215 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11216 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11217 x86_64_fallback_frame_state): Set fs->signal_frame.
11218 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11219 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11220 (frob_update_context): Likewise. Workaround missing S flag in
11221 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11222 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11223 Remove the psw_addr + 1 hack.
11225 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11227 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11228 with aggregates here.
11229 (find_func_aliases): Remove code for &<aggregate> from here.
11231 2006-02-26 Roger Sayle <roger@eyesopen.com>
11233 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11234 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11235 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11236 as (X & C) ne/eq 0.
11238 2006-02-26 Roger Sayle <roger@eyesopen.com>
11240 PR middle-end/19983
11241 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11243 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11245 * opts.c (decode_options): Do not handle flag_strength_reduce.
11246 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11247 and OPT_fstrength_reduce.
11248 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11249 flag_prefetch_loop_arrays for being nonzero.
11250 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11252 (fprefetch-loop-arrays-rtl): Removed.
11253 (flag_prefetch_loop_arrays): Do not specify the value.
11255 * doc/passes.texi: Update documentation of loop optimizer
11257 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11258 -frerun-loop-opt): Remove.
11260 2006-02-26 Richard Guenther <rguenther@suse.de>
11262 PR tree-optimization/26421
11263 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11264 in function calls that are ADDR_EXPRs as using the whole structure.
11266 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11268 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11269 * tree-pass.h (pass_loop_optimize): Remove.
11270 * passes.c (pass_loop_optimize): Never run it.
11271 * toplev.c (backend_init): Don't call init_loop.
11272 * opts.c (flag_loop_optimize_set): Remove.
11273 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11274 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11275 the old RTL loop optimizer when profiling enabled.
11276 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11277 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11278 pre-headers for the sake of the old RTL loop optimizer.
11279 * Makefile.in: Remove all references to loop.o.
11281 * doc/invoke.texi: Remove all references to -floop-optimize
11282 and -frerun-loop-opt.
11284 2006-02-26 Zack Weinberg <zackw@panix.com>
11286 * doc/md.texi (Machine Constraints): Refer to all files with paths
11287 relative to gcc directory (i.e. config/CPU/file). Add missing
11288 @table @code ... @end table to M32C subsection.
11290 2006-02-26 Roger Sayle <roger@eyesopen.com>
11292 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11294 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11296 2006-02-26 Roger Sayle <roger@eyesopen.com>
11297 James A. Morrison <phython@gcc.gnu.org>
11299 PR middle-end/21137
11300 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11301 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11302 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11303 signedness of the shift operation.
11305 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11307 PR tree-optimization/26359
11308 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11310 2006-02-25 Roger Sayle <roger@eyesopen.com>
11312 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11313 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11314 as X == 0, and some symmetry related transformations.
11315 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11317 2006-02-25 Roger Sayle <roger@eyesopen.com>
11319 PR middle-end/23673
11320 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11321 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11322 symmetry related transformations. Fold (X^C1) == C2 as
11325 2006-02-25 Juergen Weigert <jw@suse.de>
11326 Richard Guenther <rguenther@suse.de>
11328 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11330 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11332 * combine.c (gen_lowpart_or_truncate): Call
11333 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11335 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11337 * doc/invoke.texi: Move -fopenmp description to "Options for
11339 Remove reference to -lgomp.
11341 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11343 * doc/install.texi: Require GNU tar version 1.14.
11345 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11347 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11348 * doc/invoke.texi (C++ Dialect Options): Document
11349 -fno-use-cxa-get-exception-ptr.
11350 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11351 * configure: Regenerate.
11352 * c.opt (fuse-cxa-get-exception-ptr): New.
11353 * c-opts.c (c_common_handle_option): Handle
11354 OPT_fuse_cxa_get_exception_ptr.
11355 * c-common.c (flag_use_cxa_atexit): Update documentation.
11356 (flag_use_cxa_get_exception_ptr): New.
11357 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11358 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11360 (C_COMMON_OVERRIDE_OPTIONS): New.
11362 2006-02-24 Roger Sayle <roger@eyesopen.com>
11364 PR middle-end/24952
11365 * combine.c (try_combine): Explicitly check whether GET_CODE is
11366 a SET or a CLOBBER, instead on checking that it isn't a USE.
11368 2006-02-24 Roger Sayle <roger@eyesopen.com>
11370 * fold-const.c (fold_comparison): New subroutine of fold_binary
11371 containing transformations common to both the equality and
11372 ordering relational operators, factored out of fold_binary.
11373 (fold_binary): Separate out the equality operators (EQ_EXPR
11374 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11375 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11376 transformations common to both.
11377 (fold_div_compare): Fix latent bugs in the previously unreachable
11378 LT_EXPR and GE_EXPR cases.
11380 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11382 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11383 decl libname for clog to __clog on AIX.
11385 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11387 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11390 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11391 output traceback table for thunks. Localise rs6000_stack_info call.
11393 2006-02-23 Roger Sayle <roger@eyesopen.com>
11394 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11396 * gthr-posix.h (__gthrw): Fix typo in comment.
11398 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11400 * doc/cpp.texi (Character sets): Document that we do support
11401 input files to be in any character set.
11403 2006-02-23 Jeff Law <law@redhat.com>
11405 * tree.h (PHI_ARG_NONZERO): Remove.
11406 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11407 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11408 node to the new node.
11410 PR tree-optimization/26425
11411 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11412 min/max, then assume its varying.
11414 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11416 PR rtl-optimization/26316
11417 * rtlanal.c (enum may_trap_p_flags): New.
11418 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11419 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11420 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11421 (may_trap_after_code_motion_p): New function.
11422 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11423 (find_invariant_insn): Use may_trap_after_code_motion_p.
11424 * rtl.h (may_trap_after_code_motion_p): Declare.
11426 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11428 * emit-rtl.c (immed_double_const): Cleanup.
11430 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11432 Fix PR tree-optimization/26376
11433 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11436 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11438 PR middle-end/26412
11439 * gimplify.c (omp_add_variable): Guard variable size decl test with
11440 DECL_SIZE (decl) check.
11442 2006-02-23 Richard Guenther <rguenther@suse.de>
11444 PR middle-end/26439
11445 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11446 like aggregate types.
11448 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11450 * configure.ac: Add --with{,out}-long-double-128 configure option.
11451 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11452 * configure: Rebuilt.
11453 * config.in: Rebuilt.
11454 * doc/install.texi (Options specification): Document
11455 --with-long-double-128.
11457 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11458 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11459 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11460 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11462 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11464 * config/s390/s390.c (override_options): Handle
11465 TARGET_DEFAULT_LONG_DOUBLE_128.
11467 * config/alpha/alpha.c (override_options): Handle
11468 TARGET_DEFAULT_LONG_DOUBLE_128.
11470 * config/sparc/sparc.c (sparc_override_options): Handle
11471 TARGET_DEFAULT_LONG_DOUBLE_128.
11473 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11475 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11476 (real-install-headers-tar, real-install-headers-cpio)
11477 (real-install-headers-cp): New targets.
11479 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11481 * tree.h (variable_section): Delete.
11482 * varasm.c (variable_section): Delete.
11484 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11486 * install.texi: Add notes on install.texi2html.
11487 (Building in parallel): Do not use footnotes.
11489 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11492 * doc/install.texi (Configuration): Document --disable-libgomp.
11494 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11496 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11498 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11500 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11501 (vec_extractv2df_0_sse): New.
11503 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11505 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11506 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11507 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11508 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11509 to the result of the expression.
11510 (def_cfa_1): Adjust.
11511 (frame_pointer_cfa_offset): Rename to...
11512 (frame_pointer_fb_offset): ... this. Adjust all uses.
11513 (convert_cfa_to_loc_list): Rename to...
11514 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11515 Pass it on to build_cfa_loc.
11516 (compute_frame_pointer_to_cfa_displacement): Rename to...
11517 (compute_frame_pointer_to_fb_displacement): ... this. New
11518 offset parameter. Use it in computation.
11519 (gen_subprogram_die): Compute cfa_fb_offset with the new
11520 macro, and use it to compute the fb loc list and the
11523 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11525 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11526 replaced with register_operand.
11527 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11528 non-DREG is expensive.
11529 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11530 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11533 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11535 * doc/install.texi2html: Use set -e.
11537 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11539 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11540 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11541 * doc/invoke.texi (-fshared-data): Delete.
11542 * common.opt (fshared-data): Delete.
11543 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11544 (assemble_static_space): Remove #if 0 code.
11545 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11546 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11547 * config/cris/cris.h: Remove FIXME.
11549 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11551 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11554 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11556 PR middle-end/26379
11557 * combine.c (simplify_shift_const_1): Disable nested shifts
11558 optimization for vector shifts.
11560 2006-02-20 Roger Sayle <roger@eyesopen.com>
11562 PR tree-optimization/26361
11563 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11564 of unsigned integer types.
11566 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11568 * tree-chrec.c (eq_evolutions_p): New.
11569 * tree-chrec.h (eq_evolutions_p): Declared.
11570 * tree-data-ref.c: Fix formatting.
11571 (datadep_stats, dependence_stats): New.
11573 (print_direction_vector): New.
11574 (dump_data_dependence_relation): Use print_direction_vector.
11575 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11576 (compute_subscript_distance): Static.
11577 (initialize_data_dependence_relation): Static. Get the number
11578 of loops surrounding the references from the callers, and initialize
11579 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11580 base_object_differ_p analyzers.
11581 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11582 compute_overlap_steps_for_affine_1_2,
11583 analyze_subscript_affine_affine): Count the classified dependences.
11584 Print a message when a test failed.
11585 (can_use_analyze_subscript_affine_affine): New.
11586 (analyze_siv_subscript): Compute the data dependences on symbolic
11587 scevs that verify can_use_analyze_subscript_affine_affine.
11588 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11589 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11590 Handle symbolic scevs.
11591 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11593 (subscript_dependence_tester): Moved...
11594 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11595 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11596 DDR_SIZE_VECT instead of getting it in parameter.
11597 (subscript_dependence_tester): ... here. Take as a parameter
11598 loop_nest_depth. Call build_classic_dist_vector and
11599 build_classic_dir_vector.
11600 (compute_affine_dependence): Update subscript_dependence_tester
11601 parameters. Update datadep_stats counters. Call
11602 compute_subscript_distance.
11603 (compute_self_dependence): Save the dist and dir vectors. Call
11604 compute_subscript_distance.
11605 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11606 (compute_all_dependences): Reorder parameters as they were before
11607 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11608 compute_subscript_distance. Update the use of
11609 compute_affine_dependence and initialize_data_dependence_relation.
11610 (find_data_references_in_loop): Handle COMPONENT_REF.
11611 (compute_data_dependences_for_loop): Initialize dependence_stats.
11612 Don't call build_classic_dist_vector and build_classic_dir_vector.
11613 Update the parameters of initialize_data_dependence_relation and
11614 compute_all_dependences. Print the statistics from datadep_stats.
11615 (analyze_all_data_dependences): Static. Not used until the pass for
11616 checking the data dependences is contributed.
11617 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11618 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11619 (initialize_data_dependence_relation, compute_affine_dependence,
11620 analyze_all_data_dependences, compute_subscript_distance): Removed.
11621 (print_direction_vector): New.
11622 * lambda.h (gcd): ... here.
11623 (lambda_vector_gcd): Moved here from gcd_vector.
11624 * lambda-code.c (gcd, gcd_vector): Removed.
11625 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11626 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11628 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11630 * ipa-type-escape.c: Tidy some comments and white space.
11631 * tree-ssa-operands.c: Likewise.
11633 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11636 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11637 (dump_decl_name): Do not walk the decl tree chains.
11638 * tree-pass.h (TDF_CHAIN): Remove.
11640 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11642 * Makefile.in (C): Remove
11644 (.PHONY): Remove C and PROTO
11646 2006-02-20 Roger Sayle <roger@eyesopen.com>
11648 PR middle-end/26236
11649 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11650 deprecated CHAR_TYPE tree code.
11652 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11654 * configure.ac (target_list): Add install-info, dvi, html.
11655 * configure: Regenerate.
11657 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11658 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11659 treelang/Make-lang.in: Do not use double-colon rules.
11661 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11663 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11664 (TMT_USED_ALONE): New macro.
11665 * tree-pass.h (PROP_tmt_usage): New property.
11666 (TODO_update_tmt_usage): New todo.
11667 * tree-ssa-alias.c (updating_used_alone): New variable.
11668 (recalculate_used_alone): New function.
11669 (compute_may_aliases): Set updating_used_alone, call
11670 recalculate_used_alone.
11671 * tree-sra.c (pass_sra): Note that this pass destroys
11672 PROP_tmt_usage, and add TODO_update_tmt_usage.
11673 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11674 * tree-flow.h (updating_used_alone): Prototype.
11675 (recalculate_used_alone): Ditto.
11676 * passes.c (execute_todo): Add code to set updating_used_alone,
11677 and call recalculate.
11678 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11679 for clobber if used alone, and add assert to verify used_alone
11682 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11684 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11685 for non tls symbols added.
11686 (legitimize_address): Do nothing for PLUS expressions if one of the
11687 addends is a tls symbol reference.
11689 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11693 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11695 * Makefile.in (BOOTSTRAPPING): New.
11696 (quickstrap): New definition if BOOTSTRAPPING=yes.
11698 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11699 * configure.ac: Substitute all_selected_languages with the languages
11700 that were configured. For all the other variables except
11701 lang_specs_files, include all the languages in the tree.
11702 * configure: Regenerate.
11704 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11705 if there is one. Run the commands to run fixincludes in the same
11708 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11709 * doc/install.texi: Document exact conventions for searching target tools.
11710 Document --with-build-time-tools. Document toplevel bootstrap. Document
11711 something more about building an Ada cross-compiler. Don't list GNU Make
11712 requirements which affect all platforms.
11714 2006-02-19 Roger Sayle <roger@eyesopen.com>
11716 PR middle-end/19543
11717 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
11718 only equivalent if the have both the same mode and precision.
11720 2006-02-20 Ben Elliston <bje@au.ibm.com>
11722 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
11724 2006-02-19 Roger Sayle <roger@eyesopen.com>
11725 Steven Bosscher <stevenb.gcc@gmail.com>
11727 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
11728 constant pool references to identify stack mode constants.
11729 * rtlanal.c (constant_pool_constant_p): New predicate to check
11730 whether operand is a floating point constant in the pool.
11731 * rtl.h (constant_pool_constant_p): Prototype here.
11732 * loop.c (scan_loop): Avoid hoisting constants from the constant
11733 pool on STACK_REGS targets.
11734 (load_mems): Likewise.
11735 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11736 loads into x87 registers expensive in terms of register pressure.
11738 2006-02-19 Roger Sayle <roger@eyesopen.com>
11740 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11741 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11743 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11745 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11746 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11748 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11750 * doc/invoke.texi: Document -fipa-pta.
11751 * common.opt: Add ipa-pta option.
11752 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11753 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11754 (do_ds_constraint): Ditto.
11755 (get_constraint_for): Only add to referenced_vars if
11756 referenced_vars exists.
11757 (insert_into_field_list): Rewrite to do this unsorted.
11758 (insert_into_field_list_sorted): Rename old insert_into_field_list
11760 (create_function_info_for): Use insert_into_field_list_sorted.
11761 (create_variable_info_for): Rewrite so it uses unsorted version,
11762 since the field list is sorted.
11763 (intra_create_variable_infos): Only add to referenced_vars if
11764 referenced_vars exists.
11765 (ipa_pta_execute): Init heapvars, and delete when done.
11766 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11768 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11770 * doc/install.texi: Add missing `@samp'.
11772 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11774 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11777 2006-02-18 Mark Wielaard <mark@klomp.org>
11779 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11780 who added new 4.1 features, bug fixes and integration support.
11782 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11785 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11786 MEM for ABI_V4 pic.
11788 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11790 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11791 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11792 (copy_insn_1): Likewise. Don't copy each field individually.
11794 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
11796 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
11797 * rtl.c (rtx_size): Rename variable to...
11798 (rtx_code_size): ...this.
11799 (rtx_size): New function.
11800 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
11801 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
11803 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
11804 * rtl.h (rtx_code_size): New variable.
11805 (rtx_size): Change from a variable to a function.
11806 (RTX_SIZE): Rename to...
11807 (RTX_CODE_SIZE): ...this.
11810 PR tree-optimization/17106
11811 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
11812 (Anchored Addresses): New section.
11813 * doc/invoke.texi (-fsection-anchors): Document.
11814 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
11815 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
11816 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
11817 * hooks.c (hook_bool_mode_rtx_false): New function.
11818 * hooks.h (hook_bool_mode_rtx_false): Declare.
11819 * gengtype.c (create_optional_field): New function.
11820 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
11821 SYMBOL_REF_IN_BLOCK_P is true.
11822 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
11823 (min_anchor_offset, max_anchor_offset): Likewise.
11824 (use_anchors_for_symbol_p): New hook.
11825 * toplev.c (compile_file): Call output_object_blocks.
11826 (target_supports_section_anchors_p): New function.
11827 (process_options): Check that -fsection-anchors is only used on
11828 targets that support it and when -funit-at-a-time is in effect.
11829 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
11830 if the decl doesn't have one.
11831 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
11832 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
11833 of force_const_mem through use_anchored_address.
11834 (expand_expr_constant): New function.
11835 (expand_expr_addr_expr_1): Call it. Use the same modifier when
11836 calling expand_expr for INDIRECT_REF.
11837 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
11838 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
11839 * expr.h (use_anchored_address): Declare.
11840 * loop-unroll.c: Don't declare rtx vectors here.
11841 * explow.c: Include output.h.
11842 (validize_mem): Call use_anchored_address.
11843 (use_anchored_address): New function.
11844 * common.opt (-fsection-anchors): New switch.
11845 * varasm.c (object_block_htab, anchor_labelno): New variables.
11846 (hash_section, object_block_entry_eq, object_block_entry_hash)
11847 (use_object_blocks_p, get_block_for_section, create_block_symbol)
11848 (use_blocks_for_decl_p, change_symbol_section): New functions.
11849 (get_variable_section): New function, split out from assemble_variable.
11850 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
11851 use_blocks_for_decl_p say so. Use change_symbol_section if the
11852 symbol has already been created.
11853 (assemble_variable_contents): New function, split out from...
11854 (assemble_variable): ...here. Don't output any code for
11855 block symbols; just pass them to place_block_symbol.
11856 Use get_variable_section and assemble_variable_contents.
11857 (get_constant_alignment, get_constant_section, get_constant_size): New
11858 functions, split from output_constant_def_contents.
11859 (build_constant_desc): Create a block symbol if use_object_blocks_p
11860 says so. Or into SYMBOL_REF_FLAGS.
11861 (assemble_constant_contents): New function, split from...
11862 (output_constant_def_contents): ...here. Don't output any code
11863 for block symbols; just pass them to place_section_symbol.
11864 Use get_constant_section and get_constant_alignment.
11865 (force_const_mem): Create a block symbol if use_object_blocks_p and
11866 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
11867 (output_constant_pool_1): Add an explicit alignment argument.
11868 Don't switch sections here.
11869 (output_constant_pool): Adjust call to output_constant_pool_1.
11870 Switch sections here instead. Don't output anything for block symbols;
11871 just pass them to place_block_symbol.
11872 (init_varasm_once): Initialize object_block_htab.
11873 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
11874 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
11875 (place_block_symbol, get_section_anchor, output_object_block)
11876 (output_object_block_htab, output_object_blocks): New functions.
11877 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
11878 (TARGET_ASM_OUT): Include it.
11879 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
11880 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
11881 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
11882 (TARGET_INITIALIZER): Include them.
11883 * rtl.c (rtl_check_failed_block_symbol): New function.
11884 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
11885 (block_symbol, object_block): New structures.
11886 (rtx_def): Add a block_symbol field to the union.
11887 (BLOCK_SYMBOL_CHECK): New macro.
11888 (rtl_check_failed_block_symbol): Declare.
11889 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
11890 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
11891 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
11892 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
11893 * output.h (output_section_symbols): Declare.
11894 (object_block): Name structure.
11895 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
11896 (default_use_anchors_for_symbol_p): Declare.
11897 * Makefile.in (RTL_BASE_H): Add vec.h.
11898 (explow.o): Depend on output.h.
11899 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
11900 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11901 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11902 (rs6000_use_blocks_for_constant_p): New function.
11904 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11906 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
11908 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11911 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
11914 2006-02-18 Diego Novillo <dnovillo@redhat.com>
11916 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
11920 2006-02-18 Jakub Jelinek <jakub@redhat.com>
11922 PR middle-end/26334
11923 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
11924 instead of DECL_REGISTER.
11926 2006-02-18 Olivier Hainque <hainque@adacore.com>
11929 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
11931 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
11934 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
11935 * opth-gen.awk: Handle Var and InverseMask together.
11936 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
11937 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
11938 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
11939 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
11941 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11942 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11943 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
11944 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11945 LINUX_DYNAMIC_LINKER): Define.
11946 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
11947 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
11949 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11950 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
11951 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11952 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11953 (TARGET_C99_FUNCTIONS): Don't define.
11954 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
11955 GLIBC_DYNAMIC_LINKER.
11956 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
11957 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
11958 GLIBC_DYNAMIC_LINKER64): Define.
11959 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11960 LINUX_DYNAMIC_LINKER64.
11961 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11962 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11963 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
11964 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11965 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11966 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11967 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
11968 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
11969 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
11970 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
11971 and LINUX_DYNAMIC_LINKER32.
11972 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11973 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11974 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
11975 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11976 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
11978 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
11979 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
11980 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11981 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11982 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11983 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
11984 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
11985 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
11986 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11987 LINUX_DYNAMIC_LINKER): Define.
11988 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
11989 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
11990 GLIBC_DYNAMIC_LINKER64): Define.
11991 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11992 LINUX_DYNAMIC_LINKER64.
11993 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11994 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11995 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
11996 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11997 LINUX_DYNAMIC_LINKER): Define.
11998 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11999 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12000 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12001 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12002 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12003 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12004 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12005 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12006 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12007 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12008 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12009 * doc/invoke.texi (-muclibc): Remove caveat about supported
12012 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12014 * doc/cpp.texi (__TIMESTAMP__): Document.
12016 2006-02-17 Roger Sayle <roger@eyesopen.com>
12018 PR middle-end/25600
12019 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12020 C is one less than the width of X (and related transformations).
12021 * simplify-rtx.c (simplify_unary_operation_1): Transform
12022 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12023 depending on STORE_FLAG_VALUE, were C is one less then the
12026 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12028 Fix PR tree-optimization/26341
12029 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12030 about NAME_MEMORY_TAG's.
12032 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12035 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12036 with hardware float support, and software float support. Add fcpy
12037 alternative to hardware patterns. Add alternatives to copy between
12038 general and floating-point registers to the 32-bit pattern.
12039 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12040 secondary reload to load a QI or HI mode constant into a floating
12042 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12043 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12045 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12048 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12050 (load_macho_picbase_di): Likewise.
12052 2006-02-16 Jeff Law <law@redhat.com>
12054 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12055 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12056 (ssa_name_nonzero_p): Likewise.
12057 (get_value_range): Return NULL if VRP is not running.
12058 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12059 VRP routines do not discover a range.
12060 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12061 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12062 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12063 (tree_expr_nonnegative_p): Similarly.
12064 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12065 (restore_nonzero_vars_to_original_value): Remove.
12066 (unsafe_associative_fp_binop): Remove.
12067 (tree_ssa_dominator_optimize): Remove initialization and
12068 finalization of nonzero_vars and nonzero_vars_stack.
12069 (dom_opt_initialize_block): No longer push marker on
12070 nonzero_vars_stack.
12071 (dom_opt_finalize_block): No longer call
12072 restore_nonzero_vars_to_original_value.
12073 (record_equivalences_from_phis): No longer look for
12074 nonzero PHI arguments.
12075 (cprop_into_successor_phis): No longer propagate nonzero
12076 property into PHI arguments. Lose unused argument. Caller
12078 (record_equivalences_from_stmt): No longer record nonzero
12079 values for SSA_NAMEs.
12080 (lookup_avail_expr): No longer use nonzero_vars.
12082 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12083 for sizetype when sizetype is unsigned.
12085 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
12087 PR rtl-optimization/25603
12088 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12089 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12090 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12091 with new meaning of SETS.
12093 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
12098 * config/linux.opt: New file.
12099 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12100 LINUX_DYNAMIC_LINKER): Define.
12101 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12102 * config.gcc (*-*-linux*): Define extra_options.
12103 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12104 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12105 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12106 GLIBC_DYNAMIC_LINKER.
12107 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12108 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12109 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12110 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12111 * doc/invoke.texi (GNU/Linux Options): New section.
12113 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
12115 * config/sparc/sparc.md (setjmp): Rewrite.
12116 (setjmp_32): Delete.
12117 (setjmp_64): Likewise.
12119 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
12121 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12124 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12126 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12129 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12131 PR rtl-optimization/26296
12132 * Makefile.in (loop-invariant.c): Add except.h dependency.
12133 * loop-invariant.c: Include except.h.
12134 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12136 2005-02-16 Paul Brook <paul@codesourcery.com>
12138 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12141 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12143 PR rtl-optimization/25636
12144 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12145 when deciding whether an insn is an initializing insn.
12147 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12149 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12150 (tree_code_size): Ditto.
12151 * tree.h (struct tree_memory_tag): Remove parent_var.
12152 (struct tree_struct_field_tag): New.
12155 (union tree_node): Add sft member.
12156 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12158 (create_sft): Add size and offset argument, set SFT_OFFSET and
12160 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12161 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12162 * tree-flow-inline.h (get_subvar_at): Update for
12163 SFT_OFFSET/SFT_SIZE.
12164 (var_can_have_subvars): Ditto.
12165 (overlap_subvar): Ditto.
12166 * print-tree.c (print_node): Print out interesting things for
12168 * tree-flow.h (struct subvar): Remove offset and size members.
12169 * tree-ssa-operands.c (get_expr_operands): Update for
12170 get_indirect_ref_operands changes.
12171 (get_indirect_ref_operands): Call add_virtual_operand instead of
12172 add_stmt_operand. Only recurse on base var if requested.
12173 (access_can_touch_variable): New function.
12174 (add_stmt_operand): Split virtual operand handling into ...
12175 (add_virtual_operand): Here. Add offset, size, and for_clobber
12176 arguments. Prune alias sets.
12177 (add_call_clobber_ops): Call add_virtual_operand.
12179 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12181 PR middle-end/26300
12182 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12184 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12185 than TREE_CODE as index into omp_clause_num_ops array.
12187 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12189 PR rtl-optimization/26184
12190 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12192 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12193 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12194 must_precede, must_follow and tobe_scheduled.
12197 * opts.c (common_handle_option): Free new_option pointer.
12198 * df-core.c (df_analyze): Free postorder pointer.
12200 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12202 * Makefile.in: Fix the examples about the use of stamps
12204 2006-02-15 Michael Matz <matz@suse.de>
12206 PR middle-end/22275
12208 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12209 influenced by maximum_field_alignment or DECL_PACKED.
12210 (update_alignment_for_field): Ditto.
12211 (place_field): Ditto.
12212 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12215 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12217 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12218 (debug_flow_info): Pass it.
12219 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12220 * bb-reorder.c (reorder_basic_blocks): Likewise.
12221 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12222 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12223 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12224 * gcse.c (gcse_main, bypass_jumps): Likewise.
12225 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12226 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12227 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12228 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12229 * rtl.h (dump_flow_info): Adjust prototype.
12230 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12231 * var-tracking.c (variable_tracking_main): Likewise.
12232 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12233 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12236 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12238 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12241 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12243 PR tree-optimization/26209
12244 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12245 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12247 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12249 2006-02-14 Roger Sayle <roger@eyesopen.com>
12251 PR middle-end/23670
12252 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12253 (X,Y) and the corresponding symmetry related transformations.
12254 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12255 (X,Y) and its symmetry related transformations.
12257 2006-02-14 Roger Sayle <roger@eyesopen.com>
12259 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12262 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12264 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12266 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12269 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12270 support COMDAT group.
12271 * configure: Regenerate.
12273 2006-02-14 Roger Sayle <roger@eyesopen.com>
12275 PR middle-end/26279
12276 PR middle-end/26280
12277 PR middle-end/26283
12278 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12280 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12282 Fix PR tree-optimization/26260
12284 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12286 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12287 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12288 * tree-ssa-structalias.c (create_variable_info_for): Use
12289 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12291 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12293 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12295 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12296 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12297 of the ending condition.
12298 * tree-ssa-loop-manip.c: Include params.h.
12299 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12300 tree_unroll_loop): New functions.
12301 * tree-pass.h (pass_loop_prefetch): Declare.
12302 * loop.c (rest_of_handle_loop_optimize): Test for
12303 -fprefetch-loop-arrays-rtl.
12304 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12305 * timevar.def (TV_TREE_PREFETCH): New timevar.
12306 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12307 pass_loop_prefetch): New.
12308 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12309 (cleanup_tree_cfg_loop): Call scev_reset.
12310 * common.opt (fprefetch-loop-arrays-rtl): Add.
12311 * tree-ssa-loop-prefetch.c: New file.
12312 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12313 (new_temp_expr_table): Initialize expr_vars.
12314 (free_temp_expr_table): Cleanup expr_vars.
12315 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12316 expressions from being merged into one.
12317 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12318 (struct tree_niter_desc): Add control, bound and cmp fields.
12319 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12321 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12322 (tree-cfgcleanup.o): Add SCEV_H dependency.
12323 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12324 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12326 2006-02-14 Richard Guenther <rguenther@suse.de>
12328 PR tree-optimization/26258
12329 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12330 in PHI argument processing.
12332 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12334 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12335 new expression in the requested machine mode.
12337 2006-02-13 Roger Sayle <roger@eyesopen.com>
12339 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12340 directly, instead let do_compare_rtx_and_jump handle this for us.
12341 * expr.c (expand_expr_real_1): Likewise.
12342 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12343 before do_jump_by_parts_greater.
12344 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12345 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12347 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12349 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12351 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12353 PR rtl-optimization/26235
12354 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12355 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12358 2006-02-13 Jeff Law <law@redhat.com>
12360 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12363 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12365 PR middle-end/26092
12366 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12367 twice if decl is a builtin. When trying again, call get_callee_fndecl
12368 first to verify it is still a builtin.
12370 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12372 * dwarf2out.c (base_type_die): Don't add AT_name here.
12373 (subrange_type_die): Don't add AT_name here.
12374 (modified_type_die): Rearrange code flow. Do add AT_name here.
12376 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12378 PR rtl-optimization/26247
12379 PR rtl-optimization/26248
12380 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12382 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12384 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12385 * config/fixtfdi.c: Likewise.
12386 * config/fixunstfdi.c: Likewise.
12387 * config/floatditf.c: Likewise.
12389 2006-02-13 Roger Sayle <roger@eyesopen.com>
12391 PR middle-end/24427
12392 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12393 into (X,C2) if C1 is a subset of the bits of C2. Transform
12394 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12396 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12398 2006-02-13 Josh Conner <jconner@apple.com>
12401 * varasm.c (function_section): Check for section name before
12402 calling select_section on targets that define
12403 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12404 unlikely_text_section instead of hot_function_section if
12405 first_function_block_is_cold.
12407 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12409 PR middle-end/25335
12410 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12412 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12414 PR rtl-optimization/26222
12415 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12416 after tree->rtl expansion.
12417 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12418 before passing it to emit_move_insn.
12420 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12422 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12424 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12425 Clarify documentation.
12426 * c-common.h (warn_write_strings): Remove.
12427 * c-common.c (warn_write_strings): Likewise.
12428 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12431 2006-02-12 Roger Sayle <roger@eyesopen.com>
12433 PR middle-end/25724
12434 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12435 (do_jump_parts_zero_rtx): New function renamed from
12436 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12437 (do_jump_parts_equality_rtx): New function split out from
12438 do_jump_parts_equality. Old implementation renamed as above.
12439 Call do_jump_parts_zero_rtx if either operand is zero.
12440 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12441 do all of the heavy lifting.
12442 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12443 calling either do_jump_by_parts_greater_rtx or
12444 do_jump_by_parts_equality_rtx.
12445 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12446 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12447 moved to do_compare_rtx_and_jump, call it directly.
12448 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12449 mode argument. Call do_compare_rtx_and_jump.
12450 (emit_case_nodes): Update calls to do_jump_if_equal.
12452 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12454 PR rtl-optimization/26225
12455 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12457 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12459 PR rtl-optimization/26232
12460 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12462 2006-02-11 Jason Merrill <jason@redhat.com>
12465 * tree-inline.c (declare_return_variable): Just don't use the
12466 modify target if it's a gimple complex reg and the return slot
12469 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12471 * doc/contrib.texi: Update my entry.
12473 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12475 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12477 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12479 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12482 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12484 * doc/invoke.texi (-floop-optimize2): Removed.
12485 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12486 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12487 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12488 * common.opt (floop-optimize2): Removed.
12489 (fmove-loop-invariants): Enabled by default.
12491 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12493 * tree-if-conv.c (combine_blocks): Free the result of
12494 get_loop_exit_edges.
12496 2006-02-10 Jeff Law <law@redhat.com>
12498 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12500 PR tree-optimization/26213
12501 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12502 loop trying to follow SSA_NAME_VALUE chains.
12504 2006-02-10 Richard Guenther <rguenther@suse.de>
12506 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12507 deal with structures that end in implicitly variable sized arrays.
12509 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12511 PR rtl-optimization/24762
12512 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12515 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12517 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12518 (struct ivopts_data): Add regs_used field.
12519 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12520 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12521 instead of loop_data->regs_used;
12522 (free_loop_data): Do not free aux fields for loops.
12523 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12524 and tree_ssa_iv_optimize_finalize.
12526 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12528 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12530 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12533 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12534 computing the effective result type.
12536 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12538 PR inline-asm/16194
12539 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12540 (tree_overlaps_hard_reg_set): Declare.
12541 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12542 type and signature to match function type expected by walk_tree.
12543 (tree_overlaps_hard_reg_set): New function.
12544 (decl_conflicts_with_clobbers_p): Rename to:
12545 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12546 Use tree_overlaps_hard_reg_set. Changed caller.
12547 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12548 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12549 * cris.c (cris_md_asm_clobbers): Likewise.
12551 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12553 * reload1.c (emit_input_reload_insns): Delete code that tries to
12554 inherit using find_equiv_reg.
12556 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12558 * c-common.h (flag_const_strings): Don't declare.
12559 * c-common.c (flag_const_strings): Remove.
12560 * c.opt (fconst_strings): Remove.
12561 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12562 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12563 (c_common_init_options): Don't set flag_const_strings.
12564 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12566 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12568 * arm.md (tlobits_cbranch): New pattern.
12569 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12570 testing a single bit.
12572 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12575 * tree-ssa-pre.c (create_component_ref_by_pieces):
12576 Handle RETURN_DECL like VAR_DECL.
12578 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12580 PR middle-end/26134
12581 * fold-const.c (fold_indirect_ref_1): Fold
12582 "*(foo *)&complexfoo" to "__real__ complexfoo"
12583 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12585 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12587 * tree-flow-inline.h (var_can_have_subvars):
12588 Volatile variables should not have subvariables.
12590 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12593 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12594 multiplying unsigned values.
12597 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12599 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12601 2006-02-08 Jason Merrill <jason@redhat.com>
12604 * tree.def: Elaborate on difference from MODIFY_EXPR.
12605 * doc/c-tree.texi (INIT_EXPR): Likewise.
12606 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12607 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12608 (gimplify_target_expr): Likewise.
12609 (gimplify_cond_expr): Remove target handling.
12610 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12611 (gimplify_expr): Clobber it here.
12612 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12613 Do return slot optimization if we have an INIT_EXPR.
12616 * tree-inline.c (declare_return_variable): Also clear
12617 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12620 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12622 PR middle-end/22439
12623 * gimplify.c (gimplify_one_sizepos): Fix typo.
12625 2006-02-08 Jeff Law <law@redhat.com>
12627 PR tree-optimization/21417
12628 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12629 across a backedge if the control statement at the end of the
12630 block is data dependent on other statements in the same block.
12631 (record_temporary_equivalences_from_stmts): Remove over-conservative
12632 test for threading across backedges.
12634 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12635 control statement, handle all three special cases in the same
12636 manner as they all have the same desired solution. No longer
12637 special case edge flag updating when the post dominator is
12640 2006-02-08 Roger Sayle <roger@eyesopen.com>
12642 * tree.def (CHAR_TYPE): Remove.
12643 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12644 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12645 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12646 (gen_string_type_die): Delete unreachable function.
12648 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12649 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12650 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12651 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12652 * builtins.c (type_to_class): Likewise.
12653 * fold-const.c (fold_convert, build_range_check,
12654 merge_ranges): Likewise.
12655 * expr.c (count_type_elements): Likewise.
12656 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12657 * stor-layout.c (layout_type): Likewise.
12658 * ipa-type-escape.c (type_to_consider): Likewise.
12659 * gimplify.c (omp_firstprivatize_type_sizes,
12660 gimplify_type_sizes): Likewise.
12661 * explow.c (promote_mode): Likewise.
12662 * tree-sra.c (is_sra_scalar_type): Likewise.
12663 * varasm.c (output_constant): Likewise.
12664 * tree-inline.c (remap_type_1): Likewise.
12665 * convert.c (convert_to_pointer, convert_to_real,
12666 convert_to_integer, convert_to_complex): Likewise.
12668 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12670 * df-scan.c (df_def_record_1): A set destination may
12671 be a parallel regardless of mode.
12673 2006-02-08 Roger Sayle <roger@eyesopen.com>
12676 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12677 * config/mips/_tilib.c: Remove.
12678 * config/fixtfdi.c: New libgcc source file.
12679 * config/fixunstfdi.c: New source file.
12680 * config/floatditf.c: New source file.
12681 * config/floatunditf.c: New souce file.
12682 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12683 files above instead of config/mips/_tilib.c.
12684 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12686 2006-02-08 Jeff Law <law@redhat.com>
12688 PR tree-optimization/26169
12689 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12692 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12694 * df.h (DF_REG_SIZE): Return the length of the initialized
12697 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12699 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12700 __muldf3): Return a correctly signed zero.
12702 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12704 * passes.c (register_one_dump_file): Accept the current properties
12705 instead of pass number. Adjust call to dump_register. Remove
12707 (register_dump_files): Now a wrapper around...
12708 (register_dump_files_1): ... this one. Do not modify the pass
12710 (next_pass_1): Cosmetic fix.
12711 (execute_todo): Keep second parameter only. Use curr_properties
12712 instead of fetching it from the pass structure. Check and set
12714 (execute_one_pass): Handle TODO_set_props. Use curr_properties
12715 instead of fetching it from the pass structure. Fix calls to
12716 execute_todo. Update curr_properties and initialize .vcg RTL dump
12717 after running the pass. Reset last_verified.
12718 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
12720 (FIRST_AUTO_NUMBERED_DUMP): New.
12721 (dump_register): Remove "num" parameter, assign it within the
12723 (get_dump_file_name): Modify template for dumps.
12724 * tree-dump.h (dump_register): Adjust prototype.
12725 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
12726 (PROP_trees): Add PROP_gimple_lomp.
12727 (TODO_set_props): New.
12728 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
12729 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
12730 * cfgexpand.c (pass_expand): Destroy PROP_trees.
12732 2006-02-08 Jakub Jelinek <jakub@redhat.com>
12734 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
12735 (sparc64-*-linux*): Likewise.
12736 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12737 * config/sparc/t-linux: New file.
12738 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12739 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12740 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12741 -m32 -mlong-double-128.
12743 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12744 * config/alpha/t-linux: New file.
12745 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12747 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12748 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12749 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12750 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12751 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12752 (CPP_ARCH32_SPEC): Remove.
12754 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12756 PR tree-optimization/26145
12757 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12760 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12763 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12764 >= 240000 when generating code for SOM runtime.
12765 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12766 to $$dyncall when generating code for SOM runtime..
12768 2006-02-07 Dirk Mueller <dmueller@suse.com>
12771 * doc/invoke.texi (-Wsequence-point): Update documentation
12772 that -Wsequence-point is implemented for C++ as well.
12774 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12776 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12777 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12778 (LIB_SPEC): Likewise.
12779 * doc/invoke.texi (SPARC options): Document -pthread.
12781 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12783 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12786 2006-02-07 Roger Sayle <roger@eyesopen.com>
12788 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12789 Correct comment describing BOOLEAN_TYPE.
12791 2006-02-07 Dirk Mueller <dmueller@suse.com>
12793 * c.opt: C++ frontend supports -Wdiv-by-zero.
12794 * c-opts.c (c_common_handle_option): Remove dead case.
12796 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12798 * configure.ac (TLS assembler check): Do not enable TLS by
12799 default on SPARC/Solaris before version 10.
12800 * configure: Regenerate.
12802 2006-02-07 David Edelsohn <edelsohn@gnu.org>
12804 * doc/invoke.texi (xl-compat): Document conversion and support
12807 2006-02-07 Jeff Law <law@redhat.com>
12809 * tree-vrp.c (find_conditional_asserts): Update comments.
12810 (simplify_stmt_for_jump_threading): New.
12811 (identify_jump_threads, finalize_jump_threads): New.
12812 (vrp_finalize): Call identify_jump_threads.
12813 (execute_vrp): Call finalize_jump_threads.
12814 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
12815 (vrp_element, vrp_data, vrp_element_p): Remove.
12816 (vrp_hash_elt, vrp_variables_stack): Remove.
12817 (vrp_hash, vrp_eq, record_range): Remove.
12818 (simplify_cond_and_lookup_avail_expr): Remove.
12819 (extract_range_from_cond): Remove.
12820 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
12821 (simplify_stmt_for_jump_threading): New.
12822 (dom_thread_across_edge): New wrapper.
12823 (tree_ssa_dominator_optimize): No longer initialize or
12824 finalize any of the VRP datastructures. Remove iteration
12825 step and simplify as a result of removal of iteration step.
12826 (pass_dominator): Perform a cfg cleanup after DOM.
12827 (dom_opt_finalize_block): Use the new common routines
12828 for threading jumps. Simplify stack management slightly.
12829 No longer need to unwind VRP state.
12830 (record_equivalences_from_incoming_edge): No longer record
12832 (eliminate_redundant_computations): No longer call
12833 simplify_cond_and_lookup_avail_expr.
12834 * tree-flow.h (potentially_threadable_block): Prototype.
12835 (thread_across_edge): Likewise.
12836 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
12837 (tree-ssa-threadedge.o): Add dependencies.
12838 * tree-ssa-threadedge.c: New file.
12839 * passes.c (init_optimization_passes): Merge PHIs before
12840 calling VRP. Run VRP again late in the SSA optimization pipeline.
12842 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12844 * df-core.c (df_set_blocks): Do not dereference function pointers.
12845 (df_finish1): Likewise.
12846 (df_hybrid_search_forward): Likewise.
12847 (df_hybrid_search_backward): Likewise.
12848 (df_iterative_dataflow): Likewise.
12849 (df_analyze_problem): Likewise.
12850 (df_compact_blocks): Likewise.
12851 (df_dump): Likewise.
12852 * df-scan.c (df_rescan_blocks): Likewise.
12853 (df_record_entry_block_defs): Likewise.
12855 * genconditions.c (write_conditions): Guard the definition of
12856 'insn_conditions' with the check on GCC version.
12857 (write_writer): Guard the traversal 'insn_conditions' with
12858 the check on GCC version.
12860 2006-02-07 Richard Guenther <rguenther@suse.de>
12864 2006-01-30 Richard Guenther <rguenther@suse.de>
12866 * gimplify.c (gimplify_target_expr): Handle easy cases
12867 without creating a temporary.
12869 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
12871 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
12872 use of float in probability computations. Use edge probabilities
12873 in place of statically computed probabilities.
12874 (min_spec_prob): New static variable.
12875 (schedule_insns): Initialize it.
12876 (GET_SRC_PROB): Removed.
12877 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
12879 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
12882 * config/ia64/unwind-ia64.c: Revert last change.
12883 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
12884 (INCOMING_FRAME_SP_OFFSET): Define.
12886 2006-02-06 Roger Sayle <roger@eyesopen.com>
12888 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
12890 2006-02-07 Ben Elliston <bje@au.ibm.com>
12892 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
12893 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
12894 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
12895 (ix86_return_in_memory): Handle TDmode.
12896 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
12897 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
12899 2006-02-06 Richard Sandiford <richard@codesourcery.com>
12901 * reorg.c (dbr_schedule): Use dump_file instead of file.
12903 2006-02-06 Steve Ellcey <sje@cup.hp.com>
12906 * config/ia64/predicates.md (extr_len_operand): New predicate.
12907 * config/ia64/ia64.md (extv): Tighten constraints.
12909 (*tbit_and_2): Ditto.
12910 (*tbit_and_3): Ditto.
12911 (*tbit_or_2): Ditto.
12912 (*tbit_or_3): Ditto.
12913 (*bit_zero): Ditto.
12916 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
12919 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
12921 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
12923 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
12924 loop_optimizer_init and loop_optimizer_finalize
12925 * tree-ssa-sink.c (execute_sink_code): Ditto.
12926 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12927 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
12928 tree_ssa_loop_done): Ditto.
12929 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
12930 * sched-ebb.c: Include output.h.
12931 (schedule_ebbs): Do not use dump argument.
12932 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
12933 * loop.c (loop_dump_stream): Removed.
12934 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
12936 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
12937 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
12938 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
12939 loop_iterations, strength_reduce, record_biv, record_giv,
12940 final_giv_value, check_final_value, check_ext_dependent_givs,
12941 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
12942 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
12943 dump_file instead of loop_dump_stream.
12944 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
12945 argument dump_file.
12946 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
12948 * flow.c (life_analysis, rest_of_handle_life): Ditto.
12949 * haifa-sched.c: Include output.h
12950 (schedule_insns, sched_init): Do not use dump argument.
12951 * mode-switching.c (optimize_mode_switching): Ditto.
12952 * modulo-sched.c (stats_file): Removed.
12953 (print_node_sched_params): Do not call argument dump_file.
12954 (sms_schedule_by_order, loop_canon_p, sms_schedule,
12955 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
12957 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
12959 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
12960 rtl_loop_init, rtl_loop_done): Ditto.
12961 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
12962 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
12964 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
12965 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
12966 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
12967 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
12968 * emit-rtl.c (renumber_insns): Ditto.
12969 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
12970 expand_gimple_basic_block, tree_expand_cfg): Ditto.
12971 * regclass.c (regclass): Ditto.
12972 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
12973 remove_ssa_form, rewrite_out_of_ssa): Ditto.
12974 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
12975 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
12977 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
12978 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
12980 * gcse.c (gcse_file, debug_stderr): Removed.
12981 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
12982 rest_of_handle_gcse): Do not use dump argument.
12983 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
12984 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
12985 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
12986 compute_code_hoist_vbeinout, compute_code_hoist_data,
12987 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
12988 compute_store_table, build_store_vectors, insert_insn_start_bb,
12989 insert_store, remove_reachable_equiv_notes, replace_store_insn,
12990 store_motion): Use dump_file instead of gcse_file.
12991 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
12992 * profile.c (profile_dump_file): Removed.
12993 (branch_prob): Use dump_file instead of profile_dump_file.
12994 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
12996 * tree-ssa-copy.c (dump_copy_of): Ditto.
12997 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
12998 dump file to life_analysis.
12999 * bt-load.c (branch_target_load_optimize): Ditto.
13000 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13002 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13003 regclass, dbr_schedule): Declaration changed.
13004 * sched-int.h (sched_init): Declaration changed.
13005 * tree-profile.c (tree_profile_dump_file): Removed.
13006 (tree_profile_hooks): Removed profile_dump_file hook.
13007 * rtl-profile (rtl_profile_dump_file): Removed.
13008 (rtl_profile_hooks): emoved profile_dump_file hook.
13009 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13011 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13012 * tree-cfg.c (build_tree_cfg): Ditto.
13013 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13014 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13015 Declaration changed.
13016 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13017 life_analysis and schedule_insns.
13018 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13020 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13022 * config/mips/mips.c (mips_reorg): Ditto.
13023 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13026 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13028 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13029 (s390_mangle_fundamental_type): New.
13030 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13033 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13034 (alpha_mangle_fundamental_type): New.
13035 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13038 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13040 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13042 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13043 (sparc_mangle_fundamental_type): New.
13045 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13047 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13048 (s390x-*-linux*): Likewise.
13049 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13050 * config/s390/t-linux: New file.
13052 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13054 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13055 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13057 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13059 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13060 (ANTIC_SAFE_LOADS): New macro.
13061 (find_or_generate_expression): Add prototype.
13062 (set_contains_value): Allow null set for sake of not always having
13063 to allocate ANTIC_SAFE_LOADS.
13064 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13065 Allow COMPONENT_REF too.
13066 (valid_in_set): Allow COMPONENT_REF.
13067 Check ANTIC_SAFE_LOADS too.
13068 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13069 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13071 (can_PRE_operation): Add COMPONENT_REF.
13072 (create_component_ref_by_pieces): New function.
13073 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13074 (insert_aux): Move AGGREGATE_TYPE_P check here.
13075 (compute_avail): Set bb local stmt uids.
13076 (pass_pre): Use TODO_update_ssa_only_virtuals.
13078 2006-02-06 Ben Elliston <bje@au.ibm.com>
13080 * configure.ac: Unconditionally disable decimal float by default.
13081 * configure: Regenerate.
13083 2006-02-06 Ben Elliston <bje@au.ibm.com>
13085 * read-rtl.c (read_name): Terminate reading on EOF.
13087 2006-02-06 Ben Elliston <bje@au.ibm.com>
13089 * dfp.c (decimal_real_arithmetic): Change second argument type
13090 from int to enum tree_code. Do not always return true, but now
13091 return result of any call to decimal_do helper functions.
13092 * dfp.h (decimal_real_arithmetic): Update prototype.
13094 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
13096 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13098 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
13101 * tree-cfg.c (cleanup_dead_labels): Also don't remove
13104 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13106 * tree-vrp.c (cfg_loops): Removed.
13107 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13108 Use current_loops instead of cfg_loops. Pass flags to
13109 loop_optimizer_init.
13110 * cfgloopmanip.c (fix_loop_structure): Update only available
13112 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13113 loop_optimizer_init.
13114 * modulo-sched.c (build_loops_structure): Removed.
13115 (sms_schedule): Use loop_optimizer_init.
13116 * loop-init.c (loop_optimizer_init): Use flags to determine
13117 which properties of loops to prepare.
13118 (rtl_loop_init): Pass flags to loop_optimizer_init.
13119 * tree-ssa-sink.c (execute_sink_code): Ditto.
13120 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13121 * tree-ssa-pre.c (init_pre): Ditto.
13122 * cfgloop.h (LOOPS_NORMAL): New.
13123 (loop_optimizer_init): Declaration changed.
13125 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13127 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13128 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13130 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13132 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13134 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13135 * pa/t-pa64: Delete quadlib.c rule.
13136 * pa/x-ada: Revert last change.
13137 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13139 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13141 PR rtl-optimization/26087
13142 * rtlanal.c (canonicalize_condition): Do not cross basic block
13145 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13148 * config/ia64/ia64.c: Include debug.h.
13149 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13150 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13151 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13152 (process_epilogue, process_set, process_for_unwind_directive):
13153 Output unwind info only if requested. Add CFA info if requested.
13154 Add new arguments as needed. Adjust callers.
13155 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13157 (DWARF2_FRAME_INFO): Define to zero.
13158 * config/ia64/unwind-ia64.c: Remove code that compensated for
13159 the CFA offset error fixed above.
13160 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13161 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13162 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13163 -funwind-tables and -fexceptions to enable frame info.
13164 (dwarf2out_frame_init): Define initial CFA even if
13165 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13166 DWARF2_UNWIND_INFO is nonzero, not just defined.
13167 (dwarf2out_frame_finish): Output non-EH call frame info only
13168 if DWARF2_FRAME_INFO is nonzero.
13169 (convert_cfa_to_loc_list,
13170 compute_frame_pointer_to_cfa_displacement): Define even if
13171 unwind info is not supported.
13172 (gen_subprogram_die): Use the above unconditionally. Remove
13173 legacy alternate code.
13174 * toplev.c (compile_file): Compile in call to
13175 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13176 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13178 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13179 Jakub Jelinek <jakub@redhat.com>
13181 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13182 IBM extended float format long double as "g" on powerpc*-linux.
13184 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13187 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13188 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13190 2006-02-03 Jason Merrill <jason@redhat.com>
13193 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13195 PR middle-end/25977
13196 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13197 on the return slot if it's an NRV.
13199 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13201 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13202 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13203 rewrite_use): Do not handle USE_OUTER.
13204 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13205 add_iv_outer_candidates, may_replace_final_value,
13206 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13207 (find_interesting_uses_op): Functionality of
13208 find_interesting_uses_outer_or_nonlin moved here.
13209 (find_interesting_uses_outside): Use find_interesting_uses_op.
13211 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13214 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13216 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13217 Ulrich Weigand <uweigand@de.ibm.com>
13220 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13221 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13222 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13223 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13225 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13226 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13227 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13228 Define secondary reloads for TFmode moves.
13229 (constant_modes): Add TFmode.
13230 (NR_C_MODES): Set to 8.
13231 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13233 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13234 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13235 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13236 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13237 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13238 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13239 (FPR mode macro): Add TFmode.
13240 (DSF mode macro): New.
13241 (<de>, <dee> mode attributes): Removed.
13242 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13243 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13244 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13245 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13246 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13247 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13248 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13249 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13250 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13251 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13252 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13253 "*negabs<mode>2", "sqrt<mode>2"):
13254 Changed <de> to <xde>. R constraint replaced by <Rf>.
13255 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13257 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13258 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13259 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13261 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13262 "extenddftf2", "extendsftf2"): New expanders.
13263 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13264 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13265 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13266 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13268 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13269 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13270 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13271 __floatditf): Add a GCC_4.1.0 symbol version tag.
13272 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13275 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13278 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13279 Use targetm.binds_local_p instead of TREE_PUBLIC.
13281 2006-02-02 Roger Sayle <roger@eyesopen.com>
13283 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13284 on INTEGER_TYPEs to indicate that it denotes a character type.
13285 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13286 signed_char_type_node, unsigned_char_type_node and char_type_node.
13287 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13288 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13289 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13291 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13292 Daniel Berlin <dberlin@dberlin.org>
13294 * tree-tailcall.c (arg_needs_copy_p): New function.
13295 (eliminate_tail_call): Use arg_needs_copy_p.
13296 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13297 (add_virtual_phis): New function.
13299 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13301 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13302 #ignore instead of #scratch for %g7 .register directive.
13304 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13306 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13309 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13311 * flow.c (calculate_global_regs_live): Assert that there aren't any
13314 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13316 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13317 what its name says.
13318 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13319 bsi_after_labels iterator.
13320 * tree-if-conv.c (find_phi_replacement_condition,
13321 replace_phi_with_cond_modify_expr): Likewise.
13322 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13323 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13325 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13327 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13329 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13332 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13333 array after growing it.
13335 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13337 PR middle-end/24901
13338 * fold-const.c (fold_checksum_tree): Change type of buf.
13340 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13342 * reload.c (push_secondary_reload): Initialize t_icode.
13344 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13346 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13347 -msoft-float -mlong-double-128 only issue a warning, but don't
13348 swich to DFmode long double.
13350 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13352 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13353 has a constant equivalent, iterate over equivalents for arg0,
13354 calling simplify_relational_operation and if there's a result
13355 cheaper than X, apply fold_rtx and return the result.
13357 2006-02-01 Jan Hubicka <jh@suse.cz>
13359 * opts.c (no_unit_at_a_time_default): New global variable.
13360 (decode_options): Use it.
13361 * opts.h (no_unit_at_a_time_default): Declare.
13363 2006-02-01 Paul Brook <paul@codesourcery.com>
13365 * function.c (assign_parm_setup_reg): Use function argument promotion
13367 * expr.c (expand_expr_real_1): Use function argument promotion rules
13370 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13372 * gcc.c (process_command): Change j to 'unsigned int'.
13374 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13376 PR middle-end/26001
13377 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13378 Use the corrected index for the character
13379 out of the string constant.
13381 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13383 * mode-switching.c (optimize_mode_switching): Fix size
13384 allocated for bb_info[n_entities].
13386 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13388 * gcc.c (main): Correct type that is allocated for
13389 explicit_link_files.
13391 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13393 * config/s390/s390.c (init_alignment_context): Set
13394 ALIAS_SET_MEMORY_BARRIER on the MEM.
13395 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13397 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13399 PR middle-end/25933
13400 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13402 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13405 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13407 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13408 * regrename.c: Ditto.
13409 * tree-ssa-loop-im.c: Ditto.
13410 * tree-dump.c: Ditto.
13411 * tree-complex.c: Ditto.
13412 * genrecog.c: Ditto.
13413 * tree-ssa-threadupdate.c: Ditto.
13415 * java/class.c: Ditto.
13416 * java/jcf-parse.c: Ditto.
13417 * java/resource.c: Ditto.
13418 * java/except.c: Ditto.
13419 * java/jvspec.c: Ditto.
13420 * java/jcf-write.c: Ditto.
13421 * java/jcf-path.c: Ditto.
13422 * java/gjavah.c: Ditto.
13423 * java/zextract.c: Ditto.
13424 * java/jcf-io.c: Ditto.
13425 * java/jcf.h: Ditto.
13426 * java/buffer.c: Ditto.
13427 * java/lang.c: Ditto.
13428 * java/parse-scan.y: Ditto.
13429 * java/lex.c: Ditto.
13430 * java/lex.h: Ditto.
13431 * cfgloopmanip.c: Ditto.
13432 * postreload-gcse.c: Ditto.
13433 * tree-ssa-loop-manip.c: Ditto.
13434 * postreload.c: Ditto.
13435 * tree-ssa-loop-ch.c: Ditto.
13438 * cppspec.c: Ditto.
13439 * diagnostic.c: Ditto.
13441 * genoutput.c: Ditto.
13443 * cfghooks.c: Ditto.
13444 * cfgloopanal.c: Ditto.
13445 * objc/objc-act.c: Ditto.
13447 * genextract.c: Ditto.
13448 * genautomata.c: Ditto.
13449 * pretty-print.c: Ditto.
13450 * genemit.c: Ditto.
13451 * cgraphunit.c: Ditto.
13453 * df-scan.c: Ditto.
13454 * haifa-sched.c: Ditto.
13455 * dominance.c: Ditto.
13457 * tree-ssa-loop-ivopts.c: Ditto.
13458 * df-core.c: Ditto.
13459 * mode-switching.c: Ditto.
13460 * modulo-sched.c: Ditto.
13462 * ipa-pure-const.c: Ditto.
13464 * fix-header.c: Ditto.
13466 * tree-stdarg.c: Ditto.
13467 * ipa-utils.c: Ditto.
13468 * loop-init.c: Ditto.
13469 * ipa-inline.c: Ditto.
13470 * cfganal.c: Ditto.
13472 * alloc-pool.c: Ditto.
13473 * dwarf2out.c: Ditto.
13475 * genattrtab.c: Ditto.
13476 * tree-ssa-loop-ivcanon.c: Ditto.
13477 * predict.c: Ditto.
13478 * timevar.c: Ditto.
13480 * fortran/gfortranspec.c: Ditto.
13481 * regmove.c: Ditto.
13482 * local-alloc.c: Ditto.
13483 * langhooks.c: Ditto.
13484 * function.c: Ditto.
13485 * tree-vectorizer.c: Ditto.
13487 * ipa-type-escape.c: Ditto.
13489 * tree-if-conv.c: Ditto.
13490 * profile.c: Ditto.
13492 * tree-data-ref.c: Ditto.
13493 * loop-unroll.c: Ditto.
13494 * treelang/treetree.c: Ditto.
13496 * bt-load.c: Ditto.
13497 * ggc-common.c: Ditto.
13499 * coverage.c: Ditto.
13501 * tree-cfgcleanup.c: Ditto.
13502 * tree-ssa-pre.c: Ditto.
13503 * cfgcleanup.c: Ditto.
13504 * loop-invariant.c: Ditto.
13505 * loop-iv.c: Ditto.
13506 * ipa-prop.c: Ditto.
13507 * print-tree.c: Ditto.
13508 * conflict.c: Ditto.
13509 * ggc-page.c: Ditto.
13510 * sched-deps.c: Ditto.
13511 * regclass.c: Ditto.
13512 * tree-object-size.c: Ditto.
13513 * combine.c: Ditto.
13514 * bb-reorder.c: Ditto.
13515 * resource.c: Ditto.
13516 * var-tracking.c: Ditto.
13517 * cfgloop.c: Ditto.
13518 * df-problems.c: Ditto.
13519 * reg-stack.c: Ditto.
13521 * gccspec.c: Ditto.
13522 * sched-rgn.c: Ditto.
13523 * tree-ssa-structalias.c: Ditto.
13524 * tree-ssa-reassoc.c: Ditto.
13525 * config/darwin-c.c: Ditto.
13526 * config/darwin.c: Ditto.
13527 * config/arm/arm.c: Ditto.
13529 * collect2.c: Ditto.
13530 * reload1.c: Ditto.
13532 2006-01-31 Nicolas Pitre <nico@cam.org>
13534 * arm.md (smaxsi3): Make aware of smax_m1.
13537 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13539 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13541 2006-01-31 Richard Guenther <rguenther@suse.de>
13543 * doc/invoke.texi (-msselibm): Document.
13544 * target.h (expand_library_builtin): New target hook.
13545 * builtins.c (expand_builtin): Use expand_library_builtin.
13546 (default_expand_library_builtin): New function.
13547 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13548 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13549 (link_gcc_math_spec): Declare.
13550 (static_specs): Add link_gcc_math_spec.
13551 * expr.h (default_expand_library_builtin): Declare.
13552 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13553 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13554 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13555 * config/i386/i386.opt (msselibm): New target option.
13556 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13557 (ix86_init_sse_abi_builtins): New function.
13558 (ix86_expand_library_builtin): Likewise.
13559 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13560 (override_options): Handle error conditions wrt -msselibm.
13561 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13562 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13563 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13566 2006-01-31 Richard Guenther <rguenther@suse.de>
13567 Paolo Bonzini <bonzini@gnu.org>
13569 * doc/install.texi (--disable-libgcc-math): Document.
13571 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13573 * expr.h (expand_normal): new inline function.
13574 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13575 * dojump.c: use it.
13576 * dwarf2out.c: use it.
13579 * expmed.c: use it.
13580 * except.c: use it.
13581 * config/sparc/sparc.c: use it.
13582 * config/i386/i386.c: use it.
13583 * config/rs6000/rs6000.c: use it.
13584 * config/arm/arm.c: use it.
13585 * config/mips/mips.c: use it.
13586 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13588 2006-01-30 Roger Sayle <roger@eyesopen.com>
13590 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13591 argv to the appropriate type.
13593 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13595 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13598 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13601 * config/s390/s390.c (struct machine_function): New flag
13602 decomposed_literal_pool_addresses_ok_p.
13603 (s390_reorg): Set it before final stage of literal pool transforms.
13604 (s390_decompose_address): Only accept displacements of the form
13605 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13607 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13609 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13610 the comparison routine return.
13612 2006-01-30 Michael Matz <matz@suse.de>
13614 * global.c (find_reg): Only evict for global regs.
13615 Take n_refs into account and dump more info.
13617 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13620 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13621 (pragma_trap, pragma_nosave_low_regs): Likewise.
13622 (current_function_anonymous_args): Likewise.
13623 (sh_deferred_function_attributes): New variable.
13624 (sh_deferred_function_attributes_tail): Likewise.
13625 (print_operand): For '@', look up trap_exit attribute.
13626 (calc_live_regs): Look up trapa_handler attribute. For trapa
13627 handlers, save/restore fpscr, but don't do any other
13628 interrupt-specific saves.
13629 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13630 Fix check for partially saved registers to check for SHmedia.
13631 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13632 (sh_output_function_epilogue): Don't clear any of the removed
13634 (sh_insert_attributes): Don't check pragma_interrupt.
13635 Insert deferred attributes. Check that interrupt attribute is
13636 present for other attributes that require its presence.
13637 (sh_attribute_table): Add new attributes trapa_handler and
13639 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13640 Don't check for pragma_interrupt. Don't store argument.
13641 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13642 (sh_deferred_function_attributes): Declare.
13643 (sh_deferred_function_attributes_tail): Likewise.
13644 * sh.md (sp_switch_1): Add operand. Change generator caller.
13645 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13646 (*return_i): Don't use when trap_exit attribute is in effect.
13647 (*return_trapa): New insn pattern.
13648 * sh-c.c: New file.
13649 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13650 setting c_target_objs and cxx_target_objs.
13651 * t-sh: Add rule for sh-c.o.
13653 2006-01-30 Richard Guenther <rguenther@suse.de>
13656 * gimplify.c (gimplify_target_expr): Handle easy cases
13657 without creating a temporary.
13659 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13661 * vec.h (safe_grow): Remove duplicated line.
13663 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13666 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13667 (expand_omp): ... here.
13668 (expand_omp_parallel): Only remove barriers for combined
13669 parallel+workshare constructs.
13671 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13675 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13676 * tree.c (build_qualified_type): Chain the new type to the original
13677 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13678 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13679 (build_pointer_type_for_mode): Only return unqualified types.
13680 (build_reference_type_for_mode): Likewise.
13682 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13684 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13685 * Makefile.in (CXX_COMPAT_WARN): Define.
13686 * configure: Regenerate.
13688 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13691 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13694 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13696 * toplev.c: Fix thinko.
13698 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13699 Marcin Dalecki <martin@dalecki.de>
13701 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13702 (push_srcloc): Use XNEW.
13703 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13705 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13707 * df-core.c (df_set_blocks): Deleted all variable.
13709 2006-01-28 Ian Lance Taylor <ian@airs.com>
13711 * cgraphunit.c (cgraph_assemble_pending_functions): Call
13712 cgraph_output_pending_asms.
13714 2006-01-28 Zack Weinberg <zackw@panix.com>
13716 * c.opt: Add -W(no-)overlength-strings.
13717 * doc/invoke.texi: Document it.
13718 * c-opts.c (c_common_handle_option): -pedantic implies
13719 -Woverlength-strings, if not explicitly disabled already.
13720 (c_common_post_options): -Woverlength-strings defaults to off, and
13721 is always off for C++.
13722 * c-common.c (fix_string_type): Issue warning about strings longer
13723 than is portable only if warn_overlength_strings. Rearrange code
13724 a little for clarity.
13725 * configure.in: Check for -Wno-overlength-strings as well before
13726 enabling -pedantic in stage 1.
13727 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
13728 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
13730 * genconditions.c (write_header, write_one_condition)
13731 (write_conditions, write_writer): Consolidate very long strings
13732 that were broken up to fit in C89 portable limit. Don't use
13733 printf when fputs will do.
13735 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13737 * combine.c (simplify_comparison <AND>): Check
13738 TRULY_NOOP_TRUNCATION before start using a subreg.
13740 * config/mips/mips.md (*branch_zero<mode>,
13741 *branch_zero<mode>_inverted, *branch_equality<mode>,
13742 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13743 Remove mode check from comparisons.
13745 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13747 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13749 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13751 * expmed.c (const_mult_add_overflow_p): Remove.
13752 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13754 * recog.c (validate_replace_rtx_subexp): Remove.
13755 * recog.h: Remove the prototype for
13756 validate_replace_rtx_subexp.
13758 * integrate.h: Remove the prototype for
13759 copy_decl_for_inlining.
13760 * rtl.h: Remove the prototype for mark_constant_function.
13761 * tree-vectorizer.h: Remove the prototype for
13762 vect_strip_conversion.
13764 * modulo-sched.c (create_partial_schedule,
13765 free_partial_schedule, reset_partial_schedule): Make them
13768 * hooks.c (hook_bool_rtx_int_false): Remove.
13769 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13771 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13773 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13774 and -mlong-double-128 are incompatible.
13775 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13776 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13777 (TARGET_LIBGCC2_CFLAGS): Define.
13778 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13779 (TARGET_LIBGCC2_CFLAGS): Same.
13780 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13782 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13785 * c-typeck.c (build_binary_op): Perform implicit casts of
13786 operands before shortening them.
13788 * cfgloopmanip.c (split_loop_bb): Remove.
13789 * cfgloop.h: Remove the prototype for split_loop_bb.
13791 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13792 * cfgloop.h: Remove the prototype for
13793 flow_loop_outside_edge_p.
13795 * emit-rtl.c (init_virtual_regs): Make it static.
13796 * function.h: Remove the prototype for init_virtual_regs.
13798 * recog.c (peephole2_optimize): Make it static.
13799 * recog.h: Remove the prototype for peephole2_optimize.
13801 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13803 * df-scan.c (df_record_entry_block_defs): Check if
13804 INCOMING_RETURN_ADDR_RTX is defined.
13806 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
13807 Kenneth Zadeck <zadeck@naturalbridge.com>
13809 PR rtl-optimization/24762
13810 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13811 * targhooks.c (hook_void_bitmap): New hook prototype.
13812 * targhoohs.h (hook_void_bitmap): Ditto.
13813 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
13814 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
13815 * target.h (live_on_entry): New function pointer.
13816 * df-scan.c (df_all_hard_regs): Removed.
13817 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
13818 (df_scan_free_internal): Added df->entry_block_defs.
13819 (df_scan_alloc): Ditto.
13820 (df_scan_dump): Ditto.
13821 (df_uses_record): Plumbed flag field properly thru calls.
13822 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
13823 This part fixes PR24762.
13824 (df_bb_refs_record): Added code to make the frame and arg
13825 pointers live in EH blocks.
13826 (df_refs_record): Added call to df_record_entry_block_defs.
13827 (df_record_entry_block_defs): New function.
13828 * df-core.c: Added comments to describe new artifical defs.
13829 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
13830 (entry_block_defs): New field in struct df.
13831 (df_all_hard_regs): Deleted.
13832 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13833 * df-problems.c (df_ru_bb_local_compute_process_def):
13834 Added code to handle artifical defs in the entry to a function.
13835 (df_ru_bb_local_compute): Ditto.
13836 (df_rd_bb_local_compute_process_def): Ditto.
13837 (df_rd_bb_local_compute): Ditto.
13838 (df_lr_bb_local_compute): Ditto.
13839 (df_ur_bb_local_compute): Ditto.
13840 (df_urec_bb_local_compute): Ditto.
13841 (df_chain_create_bb): Ditto.
13842 (df_ur_local_finalize): Removed entry.
13843 (df_urec_init): Ditto.
13844 (df_urec_local_finalize): Ditto.
13845 (df_ri_bb_compute): Added detection of last use of pseudos.
13846 * Makefile.in (df-scan.o): Updated dependencies.
13847 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
13848 * config/mips/mips.c (mips_set_live_on_entry): Added.
13849 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
13851 * dce.c (marked_insn_p): Added code to handle artifical defs.
13853 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13855 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
13857 (_mm_cvtsi128_si64): Likewise.
13858 (_mm_cvtsd_si64): Likewise.
13859 (_mm_cvttsd_si64): Likewise.
13860 (_mm_cvtsi64_sd): Likewise.
13861 (_mm_cvtsi64_si128): Likewise.
13862 * config/i386/mmintrin.h (_m_from_int64): Likewise.
13863 (_mm_cvtsi64_m64): Likewise.
13864 (_m_to_int64): Likewise.
13865 (_mm_cvtm64_si64): Likewise.
13866 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
13867 (_mm_cvttss_si64): Likewise.
13868 (_mm_cvtsi64_ss): Likewise.
13869 (_mm_cvtss_f32): Likewise.
13871 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
13873 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
13874 for pragma redefine_extname.
13876 2006-01-27 Jakub Jelinek <jakub@redhat.com>
13879 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
13880 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
13881 -mno-minimal-toc to previous content.
13882 (bispecs): Remove goal.
13883 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
13884 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
13885 compatibility aliases on powerpc-*-*gnu*.
13886 * config/rs6000/libgcc-ppc-glibc.ver: New file.
13887 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
13888 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
13889 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
13890 (ldblspecs): New goal.
13891 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
13892 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
13894 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
13895 L_sf_to_tf or L_df_to_tf is defined.
13897 2006-01-27 David Edelsohn <edelsohn@gnu.org>
13898 Alan Modra <amodra@bigpond.net.au>
13901 * config/rs6000/linux.h (POWERPC_LINUX): Define.
13902 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
13903 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
13904 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
13905 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
13906 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
13907 (rs6000_override_options): Initialize rs6000_ieeequad.
13908 Initialize TFmode format to ibm_extended_format if not
13910 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
13912 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
13913 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
13914 (function_arg_advance): IBM long double passed in two FPRs, not
13916 (function_arg): IBM long double passed in FPRs.
13917 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
13918 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
13919 Only multireg GPR aligned.
13920 (rs6000_init_libfuncs): Enable IBM long double functions if not
13922 (rs6000_generate_compare): Use IBM long double compare if not
13924 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
13925 (TARGET_IEEEQUAD): Define.
13926 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
13927 not TARGET_IEEEQUAD.
13928 * config/rs6000/rs6000.md: Enable TFmode patterns if
13930 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
13931 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13932 and -mlong-double-128 are incompatible.
13933 * doc/invoke.texi (-mabi): Collect options together. Add
13934 ibmlongdouble and ieeelongdouble.
13936 2006-01-27 Richard Sandiford <richard@codesourcery.com>
13938 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
13940 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
13941 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
13942 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
13943 * rtl.h (rtunion_def): Remove rt_ptr.
13945 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
13946 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
13947 * config/i386/winnt.c (i386_pe_mark_dllexport)
13948 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
13950 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
13952 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
13954 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13958 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
13959 pthread_key_delete. From John David Anglin. gthrw-ify
13960 pthread_getunique_np only if it it's not a macro. Delete
13962 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
13963 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
13964 __gthread_objc_condition_signal, __gthread_key_delete): Add
13965 "__attribute__ ((__unused__))" to unused arguments.
13966 (__gthread_recursive_mutex_init_function): Add missing return.
13967 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
13968 gthr-posix95.h: Use macro-based approach for name redirection
13969 on targets missing weakref.
13971 2006-01-26 Zack Weinberg <zackw@panix.com>
13973 * genconditions.c (write_header): In generated code, #ifdef out
13974 all includes and fake declarations, except includes of bconfig.h
13975 and system.h, unless GCC_VERSION >= 3001. Do not include
13976 gensupport.h in any case.
13977 (write_conditions): Generate a definition of struct c_test. Add
13978 a comment to the generated #endif.
13979 (write_one_condition): Escape backslashes in string too.
13980 (write_writer): Generated code must escape backslashes and quote
13981 marks (but not newlines) in the strings it writes.
13982 * Makefile.in (build/gencondmd.o): Update dependencies.
13984 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13987 * Makefile.in (insn-automata.o): Add header file dependencies.
13988 * genautomata.c: Add includes.
13990 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13993 * Makefile.in (insn-automata.o): Add -Wno-error flag.
13995 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13997 * configure.ac: Expect target tools paths to be passed from the toplevel
13998 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
14000 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14002 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14005 * c.opt (Wpointer-sign): Init to -1.
14006 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14007 OPT_pedantic, to 0 otherwise.
14008 * doc/invoke.texi: Update.
14010 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14012 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14013 constants provided by 80387 instructions in the destination mode.
14015 2006-01-26 Richard Guenther <rguenther@suse.de>
14016 Andrew Pinski <pinskia@physics.uc.edu>
14019 partial PR tree-opt/17064
14020 * tree-ssa-structalias.c (intra_create_variable_infos):
14021 Create heap variables for incoming parameters if
14022 flag_argument_noalias > 1.
14023 (find_what_p_points_to): Look through default defs of
14026 2006-01-26 Jeff Law <law@redhat.com>
14029 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14030 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14031 within the VR_RANGE, use the VR_RANGE as the result, not the
14033 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14034 bounds for the type.
14036 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14038 * tree-ssa-alias.c (maybe_create_global_var): Change
14039 subvar walking to an assertion that we don't have subvar'd variables.
14041 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14044 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14045 Use a new variable, inner. PARM_DECLs are always non-weak.
14047 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14049 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14050 --disable-checking.
14052 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14054 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14056 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14058 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14059 (smax_insn, smin_insn, smax_0, smin_0): New.
14061 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14064 * config/cris/cris.c (cris_order_for_addsi3): New function.
14065 * config/cris/cris-protos.h: Prototype it.
14066 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14067 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14068 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14069 (split for "op.S1 [rx=rx+i],ry (swapped)")
14070 (split for "op(s|u).S1 [rx=rx+i],ry")
14071 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14072 Apply cris_order_for_addsi3 when generating addsi3 insns.
14074 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14076 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14077 (TREE_BLOCK): Add call to EXPR_CHECK.
14079 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14082 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14083 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14084 (dump_omp_clauses): ... here.
14085 (dump_generic_node): Handle OMP_CLAUSE.
14086 * tree.c (omp_clause_num_ops): New.
14087 (omp_clause_code_name): New.
14088 (tree_code_size): Handle OMP_CLAUSE.
14089 (tree_size): Likewise.
14090 (make_node): Document handling of OMP_CLAUSE.
14091 (tree_node_structure): Handle OMP_CLAUSE.
14092 (omp_clause_check_failed): New.
14093 (omp_clause_range_check_failed): New.
14094 (omp_clause_operand_check_failed): New.
14095 (build_omp_clause): New.
14096 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14097 * tree.h (enum omp_clause_code): Declare.
14098 (OMP_CLAUSE_SUBCODE_CHECK): Define.
14099 (OMP_CLAUSE_RANGE_CHECK): Define.
14100 (OMP_CLAUSE_ELT_CHECK): Define.
14101 (omp_clause_check_failed): Declare.
14102 (omp_clause_operand_check_failed): Declare.
14103 (omp_clause_range_check_failed): Declare.
14104 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14105 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14106 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14107 (OMP_CLAUSE_LASTPRIVATE): Likewise.
14108 (OMP_CLAUSE_IF_EXPR): Likewise.
14109 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14110 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14111 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14112 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14113 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14114 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14115 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14116 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14117 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14118 (OMP_CLAUSE_CODE): Define.
14119 (OMP_CLAUSE_SET_CODE): Define.
14120 (OMP_CLAUSE_CODE): Define.
14121 (OMP_CLAUSE_OPERAND): Define.
14122 (struct tree_omp_clause): Declare.
14123 (union tree_node): Add field 'omp_clause'.
14124 * treestruct.def (TS_OMP_CLAUSE): Define.
14125 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14126 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14127 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14128 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14129 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14130 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14131 (OMP_CLAUSE): Define.
14132 * print-tree.c (print_node): Handle OMP_CLAUSE.
14133 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14134 * c-typeck.c: Likewise.
14135 * gimplify.c: Likewise.
14136 * c-omp.c: Likewise.
14137 * tree-nested.c: Likewise.
14138 * tree-inline.c: Likewise.
14139 * c-parser.c: Likewise.
14140 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14143 2006-01-25 Roger Sayle <roger@eyesopen.com>
14145 PR rtl-optimization/25703
14146 * combine.c (try_combine): Handle zero_extract and strict_low_part
14147 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14149 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14151 * global.c: Fix comment typos.
14153 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14156 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14157 Use output_addr_const instead of assemble_name.
14159 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14161 * Makefile.in (sched-vis.o): Update dependencies.
14162 * haifa-sched.c (sched_finish): Clear current_sched_info.
14163 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14164 (dump_flow_info): Call it.
14165 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14167 * basic-block.h (dump_bb_info): Declare.
14168 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14169 option, and apply options only for dump files whose TDF_RTL,
14170 TDF_TREE, or TDF_IPA bits match.
14171 * rtl.h: Declare new functions exported from sched-vis.c.
14172 * sched-vis.c: Enable also if scheduling is not used.
14173 (print_value): Print the mode of registers if not inside scheduling.
14174 (print_insn): Make it work outside the scheduler. Beautify the output
14176 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14178 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14180 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14181 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14182 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14183 depending on the value of CONSTANT_POOL_ADDRESS_P.
14184 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14186 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14187 rather than SYMBOL_REF_DECL.
14188 (rtx_constant_pool): Remove const_rtx_sym_htab.
14189 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14190 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14191 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14192 Remove handling of const_rtx_sym_htab.
14193 (find_pool_constant): Delete.
14194 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14195 rather than find_pool_constant.
14196 (get_pool_constant_for_function): Delete.
14197 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14198 find_pool_constant.
14199 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14200 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14201 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14202 (SYMBOL_REF_CONSTANT): New macro.
14203 (get_pool_constant_for_function): Delete.
14204 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14205 rather than SYMBOL_REF_DECL.
14206 (i386_pe_mark_dllimport): Likewise.
14207 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14208 rather than SYMBOL_REF_DECL.
14209 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14210 (machopic_indirect_call_target): Likewise.
14212 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14214 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14216 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14218 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14220 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14222 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14224 2006-01-24 David Daney <ddaney@avtrex.com>
14227 * configure.ac (enable_tls): New enable option.
14228 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14229 * configure: Regenerate.
14230 * doc/install.texi (--enable-tls): Document new option.
14231 (--disable-tls): Ditto.
14233 2006-01-24 Richard Henderson <rth@redehat.com>
14235 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14236 * alias.c (true_dependence): Respect it.
14237 (canon_true_dependence, write_dependence_p): Likewise.
14238 * builtins.c (get_builtin_sync_mem): Set it.
14240 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14242 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14245 2006-01-24 DJ Delorie <dj@redhat.com>
14247 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14248 for storing constants in single-bit bitfields.
14250 2006-01-25 Ben Elliston <bje@au.ibm.com>
14252 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14254 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14257 * tree-ssa-pre.c (phi_translate): Return NULL
14258 for AGGREGATE_TYPE's.
14260 2006-01-24 Zack Weinberg <zackw@panix.com>
14262 * genautomata.c (process_state_for_insn_equiv_partition):
14263 Use xcalloc for insn_arcs_array.
14264 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14265 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14267 2006-01-24 Richard Henderson <rth@redhat.com>
14269 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14270 update all callers.
14272 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14274 PR rtl-optimization/25890
14275 PR rtl-optimization/25905
14276 * combine.c (expand_compound_operation, expand_field_assignment):
14277 Fail if the bitfield's final position is out of bounds.
14279 2006-01-24 Ian Lance Taylor <ian@airs.com>
14281 PR middle-end/25930
14282 * cgraphunit.c (cgraph_output_in_order): Don't clear
14283 cgraph_asm_nodes until after asm strings have been output.
14285 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14287 * fix-header.c (read_scan_file): Add new parameter imultilib when
14288 calling register_include_chains.
14290 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14292 * omp-low.c: Update documentation.
14294 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14295 Daniel Berlin <dberlin@dberlin.org>
14299 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14300 return from the function.
14302 2006-01-22 Zack Weinberg <zackw@panix.com>
14304 * rtl.def (match_code): Add second argument.
14305 * genpreds.c (write_extract_subexp): New function.
14306 (write_match_code): Add path argument. Use write_extract_subexp.
14307 (write_predicate_expr): Pass path to write_match_code.
14308 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14309 not perform a mode test.
14310 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14311 a subexpression does not constrain the top-level code set.
14312 * read-rtl.c (read_rtx_variadic): New function.
14313 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14314 * doc/md.texi: Document new notation.
14315 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14316 (cmpsi_operand): ... here, using new notation.
14318 2006-01-22 Zack Weinberg <zackw@panix.com>
14320 * varray.c: Remove GENERATOR_FILE #ifdefs.
14322 2006-01-22 Zack Weinberg <zackw@panix.com>
14324 * genautomata.c (output_reserved_units_table): Emit nothing if
14325 description->query_units_num is zero. Remove extra blank line.
14326 (output_cpu_unit_reservation_p): Short circuit
14327 if description->query_units_num is zero.
14329 2006-01-22 Zack Weinberg <zackw@panix.com>
14331 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14332 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14333 nor any of the random handful of variables that used to be necessary
14334 when this program was linked with rtlanal.o. Prune set of forward
14335 function declarations.
14336 (struct attr_desc): Remove static_p field.
14337 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14338 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14339 (attr_string): Do not read the character one past the length of
14341 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14342 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14343 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14344 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14345 (make_automaton_attrs): New.
14346 (main): Do not call into genautomata. Call local gen_bypass
14347 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14348 Remove special case for insn_alts.
14349 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14350 varray.h (leftover from previous change). Prune set of forward
14351 function declarations. Remove state_alts fields from all
14352 structures. Remove state_alts_table from struct automaton.
14353 Make everything except main static. Do not maintain num_dfa_decls.
14354 Do not maintain state_alts fields of various structures.
14355 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14356 (add_arc): Remove state_alts argument. All callers updated.
14357 (output_reserved_units_table): Emit #ifdef here...
14358 (output_tables): ...not here. Don't generate state_alts tables.
14359 (expand_automata): Don't generate attributes.
14360 (write_automata): Don't generate state_alts functions.
14361 (main): New function.
14362 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14363 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14364 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14365 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14366 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14367 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14368 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14369 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14371 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14372 * genattrtab.h: Delete file.
14373 * Makefile.in (OBJS-common): Add insn-automata.o.
14374 (insn-automata.o): New rule.
14375 (simple_generated_c): Add insn-automata.c.
14376 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14377 (genprogmd): Add automata.
14378 (build/genattrtab): Needs no extra objects nor libraries.
14379 (build/genautomata): Needs build/vec.o and -lm.
14381 2006-01-22 Zack Weinberg <zackw@panix.com>
14383 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14384 (output_dfa_max_issue_rate, locked_states_num): Delete.
14385 (struct automaton): Add locked_states field.
14386 (output_dead_lock_vect): Save number of locked states in
14387 automaton->locked_states. If it is zero, don't print anything.
14388 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14389 (output_internal_dead_lock_func): Only test the dead_lock_vect
14390 for automata that have locked states.
14391 (output_statistics): Always print the number of locked states for
14392 each automaton. Calculate total number of locked states here.
14393 (write_automata): Don't call output_dfa_max_issue_rate.
14394 * genattrtab.c: Define length_unit_log as a const variable.
14395 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14396 max_insn_queue_index const.
14397 * final.c (length_unit_log): Declare const.
14398 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14400 2006-01-22 Zack Weinberg <zackw@panix.com>
14402 * genautomata.c: Include vec.h, not varray.h.
14403 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14404 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14405 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14406 VEC_* macros operating on appropriately typed vectors, or to
14407 malloced arrays when the size is known in advance. Const-ify
14408 many char* variables and function arguments. No functional changes.
14409 * Makefile.in (build/varray.o): Delete rule.
14410 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14411 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14413 2006-01-22 Zack Weinberg <zackw@panix.com>
14415 * gensupport.c: Define get_insn_name and record_insn_name here.
14416 (read_md_rtx): Call record_insn_name as appropriate.
14417 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14418 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14419 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14421 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14422 (BUILD_VARRAY): Delete.
14423 (genprognormal): Rename genprogmd. Fold in all programs from
14424 genprognoprint; also attrtab.
14425 (build/genattrtab): Just mention genautomata.o and varray.o.
14426 Reorganize a bit, add comments to make the categories clearer.
14428 2006-01-22 Zack Weinberg <zackw@panix.com>
14430 * genconditions.c (condition_table, add_condition): Delete.
14431 (write_conditions): Don't emit n_insn_conditions nor
14432 insn_elision_unavailable. Issue the gcc version #ifdef here,
14433 inside the table, with no #else clause ...
14434 (write_header): ...not here.
14435 (write_writer): New function.
14436 (main): Don't initialize condition_table. Use add_c_test.
14438 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14439 files on the command line.
14440 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14441 Return -1 if there is no entry in the table, don't abort.
14442 (add_c_test, traverse_c_tests): New functions.
14443 * gensupport.h (insn_elision_unavailable, insn_conditions)
14444 (n_insn_conditions): Delete declarations.
14445 (add_c_test, traverse_c_tests): Declare.
14446 * read-rtl.c: Include gensupport.h.
14447 (read_conditions): New function.
14448 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14449 (read_rtx_1): If we get EOF when we were looking for an initial
14450 open paren, return 0. Call read_conditions when appropriate.
14451 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14452 dummy-conditions.o. Eliminate references to insn-conditions.o,
14453 or change them to build/gencondmd.o, as appropriate. Remove
14454 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14455 from $(simple_generated_c). For all files remaining in those
14456 two lists, add insn-conditions.md to the generator command line.
14457 Give insn-constants.h/s-constants their own rules. Add rules
14458 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14459 (build/read-rtl.o): Depend on gensupport.h.
14460 (genprognormal): Include preds.
14461 (genprogearly): Rename genprognoprint; only difference is now that
14462 they don't link with $(BUILD_PRINT).
14463 * dummy-conditions.c: Delete.
14465 2006-01-22 Zack Weinberg <zackw@panix.com>
14467 * genextract.c: Don't include insn-config.h. Do include vec.h.
14468 Declare vectors of int, char, and locstr.
14469 (locstr): New typedef.
14470 (struct extraction): Make all array fields into bare pointers.
14471 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14472 (insn_code_number): Delete.
14473 (accum_extract): New struct.
14474 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14475 (gen_insn): Take insn_code_number as an argument. Use an
14476 accum_extract structure instead of loading data directly into
14477 a struct extraction, and having to know how big it might get.
14478 (walk_rtx): Operate entirely on an accum_extract structure.
14479 (print_path): Avoid unnecessary use of printf.
14480 (print_header): New function, split out of main. Distinguish
14481 more carefully between an unrecognizable insn and an insn that
14482 has the code number of a define_expand.
14483 (main): Pass insn_code_number to gen_insn. Call print_header
14484 only after parsing. Avoid unnecessary use of printf.
14485 * Makefile.in (build/vec.o): New rule.
14486 (build/genextract): Depend on build/vec.o.
14487 (build/genextract.o): Don't depend on insn-config.h.
14489 2006-01-22 Zack Weinberg <zackw@panix.com>
14491 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14492 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14493 practical. Eliminate per-generator-program link rules.
14495 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14497 PR middle-end/24437
14498 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14499 with a call expr to ...
14500 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14502 2006-01-23 Richard Guenther <rguenther@suse.de>
14504 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14505 before make_edge with conditional EDGE_TRUE_VALUE.
14507 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14508 Jan Hubicka <jh@suse.cz>
14509 Richard Guenther <rguenther@suse.de>
14511 PR rtl-optimization/25654
14512 * cfgexpand.c (aggregate_contains_union_type): New function.
14513 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14514 for structure variables that contain a union type.
14516 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14518 * gengtype.c (new_structure): Return the structure.
14519 (create_option): Add an extra "next" argument.
14520 (create_field): New function.
14521 (adjust_field_rtx_def): Use create_option and create_field.
14522 Remove a now-unnecessary call to find_structure.
14523 (adjust_field_tree_def): Likewise.
14524 (note_yacc_type): Remove an unnecessary call to find_structure.
14525 * gengtype.h (new_structure): Return the structure.
14526 (create_option): Add an extra argument.
14527 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14528 (option): Adjust calls to create_option.
14530 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14532 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14534 2006-01-22 Paul Brook <paul@codesourcery.com>
14535 Peter Barada <peter@the-baradas.com>
14537 * config/m68k/m68k.md: Add Coldfire FPU support.
14538 Define FP mode macro and associated attributes.
14539 Use it for float mode patterns.
14540 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14541 (LIBCALL_VALUE): Use m68k_libcall_value.
14542 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14543 (m68k_function_value): Ditto.
14544 (emit_move_sequence): Ditto.
14545 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14546 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14547 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14548 (MULTILIB_EXCEPTIONS): Ditto.
14549 * config/m68k/m68k.opt: Add mcfv4e.
14550 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14551 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14552 (m68k_output_function_prologue): Save ColdFire FPU registers.
14553 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14554 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14555 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14556 ColdFire FPU registers.
14557 (m68k_libcall_value, m68k_function_value): New functions.
14558 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14559 (LIBCALL_VALUE): Use m68k_libcall_value.
14560 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14561 (MASK_COLDFIRE): Add MASK_CFV4E.
14562 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14563 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14564 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14565 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14566 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14567 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14568 * doc/invoke.tex: Document -mcfv4e on m68k.
14570 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14572 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14575 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14578 * c-opts.c (c_common_handle_option): Don't include
14579 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14580 * doc/invoke.texi (C++ Dialect Options): Document that
14581 -Wnon-virtual-dtor is no longer included in -Wall.
14583 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14585 * gcov.c (print_version), gcov-dump.c (print_version),
14586 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14589 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14591 * df-scan.c (problem_SCAN): Added NULL reset function.
14592 (df_scan_reset_blocks): Added code to call reset block function
14593 (df_bb_refs_delete) Fixed comment.
14594 (df_insn_refs_delete): Made tolerant of deleting non existent info
14595 for dataflow problems that need to be reset.
14596 * df-core.c (df_set_blocks): Ditto.
14597 * df.h (struct df_problem): Added reset_fun.
14598 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14599 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14600 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14601 functions to clear out all references to def-use or use-def chains.
14603 2006-01-21 Ben Elliston <bje@au.ibm.com>
14605 * varasm.c (assemble_real): Initialise data array.
14607 2006-01-20 Paul Brook <paul@codesourcery.com>
14609 Merge from csl-arm-branch.
14610 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14611 * config/arm/arm.md (movdi): Force operands[1] to a register
14612 if we have a non-register source.
14613 (*arm_movdi, *movdf_soft_insn): Require that one of the
14614 operands be a register.
14615 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14616 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14618 2006-01-20 DJ Delorie <dj@redhat.com>
14620 * varasm.c (initializer_constant_valid_p): Allow pointers
14621 initialized from integer constants of lesser precision.
14622 (output_constant): Allow non-int-sized pointer modes to be
14623 initialized from integer constants.
14625 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14628 * cppdefault.h (struct default_include): Add multilib flag.
14629 * cppdefault.c (cpp_include_defaults): Set it.
14630 * c.opt (-imultilib): New option.
14631 * c-opts.c (imultilib): New.
14632 (c_common_handle_option): Handle -imultilib.
14633 (c_common_post_options): Likewise.
14634 * c-incpath.c (add_standard_paths, register_include_chains):
14636 * c-incpath.h (register_include_chains): Add extra parameter.
14637 * gcc.c (do_spec_1): Generate -imultilib option.
14638 (The Specs Language): Update %I description.
14639 (process_command): Update copyright notice.
14640 * doc/cppopts.texi (-imultilib): Document.
14641 * doc/invoke.texi (-imultilib): Include in option summary.
14642 (%I): Update specs documentation.
14644 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14646 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14648 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14650 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14653 2006-01-20 Richard Guenther <rguenther@suse.de>
14654 Steven Bosscher <stevenb.gcc@gmail.com>
14656 PR rtl-optimization/24626
14657 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14658 EDGE_TRUE_VALUE if in RTL mode.
14661 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14662 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14664 2006-01-20 Dirk Mueller <dmueller@suse.com>
14667 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14668 instead of a special NOP marker.
14669 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14670 NOP marker handling.
14671 * c-common.h (empty_body_warning): Add forward declaration.
14672 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14673 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14675 2006-01-20 Paul Brook <paul@codesourcery.com>
14677 * Makefile.in (lang_checks): Keep going if mkdir fails.
14679 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14681 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14682 be able to clean out basic block when not necessary.
14683 (df_scan_free): Fixed to properly delete information if df is
14684 unused before calling df_finish.
14685 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14686 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14688 (df_bb_refs_delete): New function.
14689 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14690 * df-core.c (df_set_blocks): Added code to properly clean out
14691 unused blocks if they are not part of the blocks to consider.
14692 Added additional null check.
14693 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14694 be able to clean out basic block when not necessary
14695 * df.h (df_free_bb_function): Ditto.
14696 (df_bb_refs_delete): New function.
14697 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14698 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14699 basic block parameter to be able to clean out basic block when not
14701 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14702 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14703 Fixed to properly delete information if df is unused before
14706 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14708 PR rtl-optimization/25799
14709 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14710 Corrected confluence operator to remove bits from op2 before oring
14711 with op1 rather than removing bits from op1.
14712 (df_ru_transfer_function): Corrected test on wrong bitmap which
14713 caused infinite loop. Both of these problems were introduced in
14714 the dataflow rewrite.
14716 2006-01-19 DJ Delorie <dj@redhat.com>
14718 * reload1.c (find_reload_regs): Note the details of reload
14719 failures in the dump file.
14720 (spill_failure): Likewise.
14722 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14724 * loop-iv.c: Include df.h and hashtab.h.
14725 (enum iv_grd_result): New enum.
14726 (DF_REF_IV, DF_REF_IV_SET): New macros.
14727 (struct biv_entry): New.
14728 (df, bivs): New global variables.
14729 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
14730 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
14732 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
14733 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
14734 analyzed_for_bivness_p, record_biv): New functions.
14735 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14736 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14737 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14739 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14741 (iv_number_of_iterations): Use new interface to iv analysis.
14742 * loop-unroll.c: Do not include varray.h.
14743 (analyze_iv_to_split_insn): Use new interface to iv
14745 * loop-unswitch.c (may_unswitch_on): Ditto.
14746 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14748 (df_bb_modify): Realloc tables to the new index.
14749 (df_find_use): New function.
14750 * df.h (df_find_use): Declare.
14751 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14753 * cfgloop.h (struct rtx_iv): Remove analysed field.
14754 (iv_get_reaching_def): Removed.
14755 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14756 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14757 (loop-iv.o): Add df.h and hashtab.h dependency.
14758 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14760 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14763 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14765 (__floatundisf, __floatundidf): Likewise.
14766 * libgcc2.h (IS_IBM_EXTENDED): Define.
14768 2006-01-19 DJ Delorie <dj@redhat.com>
14770 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14772 2006-01-19 Paul Brook <paul@codesourcery.com>
14774 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14775 as nothrow when unwinding tables are disabled.
14777 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14780 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14781 of bit-field" when in system header.
14783 2006-01-19 DJ Delorie <dj@redhat.com>
14785 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14786 the 16 bit shift limit of the m16c.
14788 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14791 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14792 * config/i386/i386.c (output_set_got): Output the label if we have one
14793 for the TARGET_DEEP_BRANCH_PREDICTION case.
14795 2006-01-19 Jan Hubicka <jh@suse.cz>
14796 H.J. Lu <hongjiu.lu@intel.com>
14797 Evandro Menezes <evandro.menezes@amd.com>
14799 * invoke.texi (generic): Document
14801 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
14802 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
14803 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
14804 (x86_use_incdec, x86_pad_returns): New variables
14805 (TARGET_CPU_DEFAULT_generic): New constant
14806 (TARGET_CPU_DEFAULT_NAMES): Add generic.
14807 (enum processor_type): Add generic32 and generic64.
14808 * i386.md (cpu attribute): Add generic32/generic64
14809 (movhi splitter): Behave sanely when both partial_reg_dependency and
14810 partial_reg_stall are set.
14811 (K8 splitters): Enable for generic as well.
14812 * predicates.md (incdec_operand): Use TARGET_INCDEC
14813 (aligned_operand): Avoid memory mismatch stalls.
14814 * athlon.md: Enable for generic64, new patterns for 128bit moves.
14815 * ppro.md: Enable for generic32
14816 * i386.c (generic64_cost, generic32_cost): New.
14817 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
14818 (x86_use_leave): Enable for generic64. (x86_use_sahf,
14819 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
14820 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
14821 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
14822 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
14823 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14824 x86_accumulate_outgoing_args, x86_prologue_using_move,
14825 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
14826 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
14827 Enable for generic.
14828 (x86_use_incdec, x86_pad_returns): New.
14829 (override_options): Add generic32 and generic64, translate "generic"
14830 to generic32/generic64 and "i686" to "generic32", refuse
14831 "generic32"/"generic64" as arch target.
14832 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
14833 (ix86_reorg): Honor PAD_RETURNS.
14835 2006-01-19 Diego Novillo <dnovillo@redhat.com>
14837 * tree-pretty-print.c (dump_generic_node): Handle
14838 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
14839 * cgraph.c (cgraph_expand_queue): Rename from
14840 cgraph_analyze_queue. Update all users.
14841 * cgraphunit.c (cgraph_assemble_pending_functions): Process
14842 cgraph_expand_queue.
14843 (cgraph_expand_all_functions): Likewise.
14844 (cgraph_finalize_pending_functions): Remove. Update callers.
14846 * tree.h (OMP_DIRECTIVE_P): Define.
14847 (OMP_PARALLEL_FN): Define.
14848 (OMP_PARALLEL_DATA_ARG): Define.
14849 (OMP_SECTIONS_SECTIONS): Define.
14850 * tree-pass.h (pass_expand_omp): Declare.
14851 * omp-low.c (struct omp_region): Declare.
14852 (struct omp_context): Remove fields 'parallel_type',
14853 'parallel_start_ix' and 'parallel_start_additional_args'.
14855 (struct omp_for_data): Rename from struct expand_omp_for_data.
14856 (omp_regions): New static variable.
14857 (root_omp_region): New static variable.
14858 (find_omp_clause): Make static.
14859 (is_in_combined_parallel_ctx): Remove.
14860 (is_combined_parallel): New.
14861 (extract_omp_for_data): Move earlier in the file.
14862 (workshare_safe_to_combine_p): New.
14863 (get_ws_args_for): New.
14864 (determine_parallel_type): Move earlier in the file.
14865 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
14867 (omp_copy_decl): Likewise.
14868 (create_omp_child_function): Likewise.
14869 (lookup_omp_region): New.
14870 (dump_omp_region): New.
14871 (debug_omp_region): New.
14872 (debug_all_omp_regions): New.
14873 (new_omp_region): New.
14874 (scan_omp_parallel): If parallel_nesting_level > 1, the
14875 directive is nested within another parallel directive.
14876 Set OMP_PARALLEL_FN.
14877 (scan_omp_for): Do not try to handle combined parallel+for
14879 Remove FIXME comment.
14880 (scan_omp_nested): Remove.
14881 (scan_omp_1): Do not call scan_omp_nested when
14882 parallel_nesting_level is > 1.
14883 Do not change the DECL_CONTEXT of local variables found.
14884 (lookup_decl_in_outer_ctx): New.
14885 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
14886 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
14887 (lower_reduction_clauses): Rename from expand_reduction_clauses.
14888 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
14889 If CTX is nested, lookup VAR in the outer context when
14890 building copy assignment.
14891 (lower_send_clauses): Rename from expand_send_clauses.
14892 If CTX is nested, lookup VAR in the outer context when
14893 building copy assignments.
14894 (lower_send_shared_vars): Rename from expand_send_shared_vars.
14895 If CTX is nested, lookup VAR in the outer context when
14896 building copy assignments.
14897 (expand_parallel_call): Rename from build_parallel_call.
14898 Handle combined parallel+workshare cases.
14899 Re-implement to emit code into the CFG.
14901 (expand_omp_parallel): Re-implement to emit code into the CFG.
14902 Call move_sese_region_to_fn to outline the sub-graph
14903 containing the parallel region.
14904 (expand_omp_for_1): Remove.
14905 (expand_omp_for_generic): Re-implement to emit code into the
14907 (expand_omp_for_static_nochunk): Likewise.
14908 (expand_omp_for_static_chunk): Likewise.
14909 (expand_omp_for): Likewise.
14910 (expand_omp_sections): Likewise.
14911 (remove_exit_barriers): New.
14912 (expand_omp_synch): New.
14914 (build_omp_regions_1): New.
14915 (build_omp_regions): New.
14916 (execute_expand_omp): New.
14917 (gate_expand_omp): New.
14918 (pass_expand_omp): Define.
14919 (lower_omp_sections): Rename from expand_omp_sections.
14920 Set OMP_SECTIONS_SECTIONS.
14921 (lower_omp_single_simple): Rename from expand_omp_single_simple.
14922 (lower_omp_single_copy): Rename from expand_omp_single_copy.
14923 (lower_omp_single): Rename from expand_omp_simple.
14924 (lower_omp_master): Rename from expand_omp_master.
14925 (lower_omp_ordered): Rename from expand_omp_ordered.
14926 (lower_omp_critical): Rename from expand_omp_critical.
14927 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
14928 (lower_omp_for): Re-implement.
14929 (lower_omp_parallel): Re-implement.
14930 (lower_regimplify): Rename from expand_regimplify.
14931 (lower_omp_1): Rename from expand_omp_1.
14932 If there are syntax errors in the program, replace every
14933 OpenMP directive with NOP.
14934 Call lower_omp_* instead of expand_omp_*.
14935 (lower_omp): Rename from expand_omp.
14937 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
14938 * tree-gimple.h (enum omp_parallel_type): Remove.
14939 (gimple_boolify): Declare extern.
14940 (find_omp_clause, determine_parallel_type): Remove.
14942 * gimple-low.c (lower_omp_directive): New.
14943 (lower_stmt): Call it.
14944 (record_vars_into): Move from ...
14945 (record_vars): ... here.
14946 Call record_vars_into with current_function_decl.
14948 * gimplify.c (struct gimplify_ctx): Remove fields
14949 combined_pre_p and combined_ctxp. Update users.
14950 (get_formal_tmp_var): Add documentation.
14951 (gimple_boolify): Make extern.
14952 (gimplify_expr_in_ctx): Remove. Update callers.
14953 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
14954 will always be a BIND_EXPR.
14955 (gimplify_expr): Handle OMP_RETURN_EXPR.
14956 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
14957 (OMP_PARALLEL): Add 3 operands.
14958 (OMP_SECTIONS): Add 1 operand.
14959 (OMP_RETURN_EXPR): Define.
14961 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
14962 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
14963 * tree-iterator.c (alloc_stmt_list): Assert that we are not
14964 creating a circular free list.
14965 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
14967 * tree-flow.h (move_sese_region_to_fn): Declare.
14968 (record_vars_into): Declare.
14969 * tree-cfg.c (make_omp_sections_edges): New.
14970 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
14971 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
14972 OMP_SECTIONS and OMP_SECTION.
14973 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
14974 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
14975 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
14976 (gather_blocks_in_sese_region): New.
14977 (struct move_stmt_d): Declare.
14978 (move_stmt_r): New.
14979 (move_block_to_fn): New.
14980 (move_sese_region_to_fn): New.
14982 * passes.c (init_optimization_passes): Schedule
14983 pass_expand_omp after pass_init_datastructures.
14985 * tree-ssa-operands.c (get_expr_operands): Handle
14986 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
14987 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
14989 2006-01-19 Jeff Law <law@redhat.com>
14991 * tree-vrp.c (extract_range_from_assert): Refine the result range
14992 if the variable referenced by the ASSERT_EXPR has a range and
14993 either the tentative result range or the previous range is a
14996 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14998 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15000 2006-01-19 Jan Hubicka <jh@suse.cz>
15002 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15004 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
15006 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15007 (expand_compound_operation, expand_field_assignment): Fail if the
15008 bit lengths of an extract operation are out of range.
15009 (make_extraction): Compute wanted_inner_mode based on the position
15010 and length of the extraction. Make it extraction_mode for non-constant
15011 positions, and do not modify offset in that case. When generating a
15012 new MEM, use a mode that can hold the extraction while keeping correct
15013 alignment. Remove code that supported MEMs wrapped by USEs.
15014 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15016 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
15018 * config/s390/s390.md ("Y", "y"): New mode attribute.
15019 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15020 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15021 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15022 "*addsi3_imm_cc", "*addsi3_carry1_cc",
15023 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15024 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15025 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15026 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15027 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15028 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15029 "addsi3", "subsi3"): Insn patterns removed.
15030 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15031 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15032 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15033 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15034 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15035 "*sub<mode>3_cconly2"): New insn patterns.
15036 ("addsi3", "subsi3"): New expanders.
15038 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15040 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15041 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15042 existing STMT_VINFO_VECTYPE if available.
15043 (vect_mark_relevant): Add special handling for stmts that are
15044 marked as STMT_VINFO_IN_PATTERN_P.
15045 (vect_analyze_loop): Call vect_pattern_recog.
15046 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15047 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15049 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15050 (vect_recog_func_ptr): New function-pointer type.
15051 * tree-vect-patterns.c: New file.
15052 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15053 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15054 (vect_pattern_recog_1): New functions.
15055 (vect_pattern_recog_funcs): New array of function pointers.
15057 * tree-vectorizer.h (ternary_op): New enum value.
15058 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15059 declaration. Revised documentation. Removed redundant dump prints.
15060 Removed redundant argument. Added support for reduction patterns.
15061 (vectorizable_reduction): Added support for reduction patterns.
15062 (vect_transform_stmt): Added support for patterns.
15064 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15065 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15066 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15067 (expand_widen_pattern_expr): New function.
15068 (init_optabs): Initialize new optabs udot_prod_optab,
15070 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15071 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15072 (expand_widen_pattern_expr): New function declaration.
15073 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15075 * tree-inline.c (estimate_num_insns_1): Added cases for new
15076 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15077 * tree-pretty-print.c (dump_generic_node): Likewise.
15078 (op_prio): Likewise.
15079 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15080 * tree-ssa-operands.c (get_expr_operands): Added case for
15082 * tree-vect-patterns.c (widened_name_p): New function.
15083 (vect_recog_dot_prod_pattern): Added function implementation.
15084 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15085 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15086 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15087 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15089 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15090 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15091 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15092 (init_optabs): Initialize new optabs widen_ssum_optab,
15094 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15095 (widen_ssum_optab, widen_usum_optab): Define new optabs.
15096 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15097 use instead of type of def.
15098 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15099 function implementation.
15100 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15101 widen_ssumv8hi): New.
15103 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15106 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15109 * c-decl.c (add_flexible_array_elts_to_size): New function.
15110 (finish_decl): Use it.
15112 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
15114 * diagnostic.h: Include options.h.
15115 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15116 dependancies for diagnostic.h.
15117 * Makefile.in (DIAGNOSTIC_H): Add options.h.
15119 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
15121 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15122 (ssa_ro_call_cache_valid): Ditto.
15123 * tree-ssa-alias.c (sort_tags_by_id): New function.
15124 (init_transitive_clobber_worklist): Ditto.
15125 (add_to_worklist): Ditto.
15126 (mark_aliases_call_clobbered): Ditto.
15127 (compute_tag_properties): Ditto.
15128 (set_initial_properties): Ditto.
15129 (compute_call_clobbered): Ditto.
15130 (compute_may_aliases): Call compute_call_clobbered and grouping.
15131 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15132 (compute_flow_insensitive_aliasing): Grouping now happens in our
15134 (setup_pointers_and_addressables): Remove clobbering related code.
15135 (add_may_alias): Ditto.
15136 (replace_may_alias): Ditto.
15137 (get_nmt_for): Ditto.
15138 (create_global_var):
15139 (is_escape_site): Return an escape_type enumeration.
15140 * tree-flow-inline.h (is_call_clobbered): Global var does not
15141 imply call clobbered.
15142 (mark_call_clobbered): Take a reason for marking this. Remove
15143 marking of globalness, and cache invalidation.
15144 (clear_call_clobbered): Remove cache invalidation code.
15145 * tree-dfa.c (dump_variable): If details is on, dump the reason
15147 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15149 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15150 (struct var_ann_d): Ditto.
15151 (enum escape_type): New.
15152 (mark_call_clobbered): Adjust prototype.
15153 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15154 are never call clobbered.
15155 Record reasons for escaping.
15156 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15157 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15158 (ssa_ro_call_cache_valid): Ditto.
15159 (clobbered_v_may_defs): Ditto.
15160 (clobbered_vuses): Ditto.
15161 (ro_call_vuses): Ditto.
15162 (clobber_stats): New.
15163 (init_ssa_operands): Zero out clobber stats.
15164 (fini_ssa_operands): Print out clobber stats.
15165 (get_call_expr_operands): Pass callee fndecl to
15166 add_call_read_ops).
15167 (add_call_clobber_ops): Remove use of cache.
15168 Add use of PURE_CONST information.
15169 (add_call_read_ops): Remove use of cache.
15170 Add use of static not_read information.
15172 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15174 Introduce TLS descriptors for i386 and x86_64.
15175 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15176 (TARGET_ANY_GNU_TLS): New macro.
15177 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15178 (struct machine_function): Add tls_descriptor_call_expanded_p.
15179 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15180 (ix86_current_function_calls_tls_descriptor): Likewise.
15181 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15182 (override_options): Introduce gnu2 tls dialect.
15183 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15185 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15187 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15188 (ix86_init_machine_status): Initialize new field.
15189 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15190 (ix86_tls_module_base): New.
15191 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15192 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15193 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15194 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15195 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15196 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15197 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15198 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15199 * config/i386/predicates.md (tls_modbase_operand): New.
15200 (tp_or_register_operand): New.
15202 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15204 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15205 (look_for_address_of): Ditto.
15206 (ipa_init): Walk the function decls.
15207 (static_execute): Don't set readonly on FUNCTION_DECL's.
15209 2006-01-18 Roger Sayle <roger@eyesopen.com>
15211 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15212 for shifts where the source and destination registers are different.
15214 2006-01-18 Paul Brook <paul@codesourcery.com>
15216 Merge from csl-arm-branch.
15217 2005-03-14 Julian Brown <julian@codesourcery.com>
15218 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15219 (aeabi_llsl): Likewise.
15220 (ashrdi3): Likewise.
15221 (aeabi_lasr): Likewise.
15222 (lshrdi3): Likewise.
15223 (aeabi_llsr): Likewise.
15224 2005-03-10 Julian Brown <julian@codesourcery.com>
15225 * config.gcc: Disable shared libgcc for SymbianOS.
15226 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15228 2006-01-18 DJ Delorie <dj@redhat.com>
15230 * c-pragma.c (handle_pragma_diagnostic): New.
15231 (init_pragma): Register it.
15232 * doc/extend.texi: Document it.
15234 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15235 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15236 (diagnostic_context): Add classify_diagnostic[].
15237 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15238 as errors if they're overridden to DK_WARNING.
15239 (diagnostic_initialize): Initialize classify_diagnostic[].
15240 (diagnostic_set_kind_override): New.
15241 (diagnostic_report_diagnostic): Check for kind changes.
15242 * opts.c (common_handle_option): Take lang_mask. Update callers.
15243 Handle OPT_Werror_.
15244 * common.opt (Werror=): New.
15245 * doc/invoke.texi: Document -Werror=*
15247 2006-01-18 Jeff Law <law@redhat.com>
15249 * tree-vrp.c (test_for_singularity): Correct test for new
15250 min limit. Use operand_equal_p rather than pointer equality
15251 for testing if new min/max values are equal.
15253 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15254 using range information until after propagation and folding.
15256 2006-01-18 Richard Henderson <rth@redhat.com>
15257 Aldy Hernandez <aldyh@redhat.com>
15258 Jakub Jelinek <jakub@redhat.com>
15259 Diego Novillo <dnovillo@redhat.com>
15261 * omp-low.c: New file.
15262 * c-omp.c: New file.
15264 2006-01-18 Richard Henderson <rth@redhat.com>
15265 Jakub Jelinek <jakub@redhat.com>
15266 Diego Novillo <dnovillo@redhat.com>
15268 * doc/invoke.texi: Document -fopenmp.
15269 * tree-dump.h (debug_function): Declare.
15270 * hooks.c (hook_bool_tree_bool_false): New function.
15271 (hook_tree_tree_null): Remove.
15272 (hook_tree_tree_tree_null): New.
15273 * hooks.h: Update to match.
15274 * tree-pretty-print.c (debug_tree_chain): New.
15275 (print_generic_expr): Handle TDF_CHAIN.
15276 (dump_generic_node): Handle BLOCK.
15277 Do not abort with incomplete SWITCH_EXPRs.
15278 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15279 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15280 print space after directive name.
15281 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15282 Handle OMP_MASTER and OMP_ORDERED.
15283 Handle printing of OMP_BODY just in one place, goto
15284 dump_omp_body in the rest of OMP_* nodes that have
15286 Don't handle clause nodes here. Update omp statements to
15287 use dump_omp_clauses.
15288 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15289 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15290 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15291 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15292 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15293 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15294 Adjust output for GOMP_PARALLEL.
15295 (dump_omp_clauses): New.
15296 (print_declaration): Dump DECL_VALUE_EXPR.
15297 (op_symbol_1): Split out of op_symbol.
15298 (dumping_stmts): Remove. Update all users.
15299 * cgraph.c (cgraph_analyze_queue): New.
15300 (cgraph_add_new_function): New.
15301 * cgraph.h (cgraph_analyze_queue): Declare.
15302 (cgraph_add_new_function): Declare.
15303 (cgraph_lower_function): Remove.
15304 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15305 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15306 and TYPE_P nodes in its default clause.
15307 (empty_body_p): New.
15308 (tree_range_check_failed): New.
15309 (build5_stat): New.
15310 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15311 OMP_CLAUSE_REDUCTION_MERGE,
15312 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15313 OMP_CLAUSE_PRIVATE_DEBUG,
15314 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15315 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15316 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15317 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15318 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15319 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15320 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15321 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15322 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15323 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15324 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15325 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15326 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15327 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15328 (TREE_RANGE_CHECK): New.
15329 (empty_body_p): Declare.
15330 (enum omp_clause_default_kind): New.
15331 (build_string_literal): Declare.
15332 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15333 (build5_stat, build5): Declare.
15334 * tree-pass.h (TDF_CHAIN): Define.
15335 * tree-pass.h (PROP_gimple_lomp): Define.
15336 (pass_lower_omp): Declare.
15337 * diagnostic.h (debug_tree_chain): Declare.
15338 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15340 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15341 * builtins.c (build_string_literal): Make extern.
15342 * gcc.c (include_spec_function): New.
15343 (static_spec_functions): Add it.
15344 (main): Move load of libgomp.spec ...
15345 (LINK_COMMAND_SPEC): ... here.
15346 (link_gomp_spec): New.
15347 (static_specs): Include it.
15348 (LINK_COMMAND_SPEC): Add link_gomp.
15349 (GOMP_SELF_SPECS): New.
15350 (driver_self_specs): Include it.
15351 (switch_matches): Don't mark inline.
15352 (main): Load libgomp.spec.
15353 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15354 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15355 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15356 * tree-gimple.h (enum omp_parallel): Declare.
15357 (determine_parallel_type): Declare.
15358 (omp_firstprivatize_variable): Declare.
15359 (omp_reduction_init): Declare.
15360 (diagnose_omp_structured_block_errors): Declare.
15361 (struct walk_stmt_info): Add want_return_expr.
15362 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15363 (find_omp_clause): Declare.
15364 (insert_field_into_struct): Declare.
15365 (struct walk_stmt_info): Move from tree-nested.c
15366 (walk_stmts): Declare.
15367 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15369 * cgraphunit.c (cgraph_lower_function): Make static.
15370 (cgraph_finalize_pending_functions): New.
15371 (cgraph_finalize_function): Call it.
15372 (cgraph_finalize_compilation_unit): Likewise.
15373 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15374 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15375 (BT_FN_UINT_UINT): New.
15376 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15377 DEF_FUNCTION_TYPE_VAR_4): Document.
15378 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15379 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15380 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15381 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15382 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15383 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15384 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15385 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15386 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15387 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15388 into separate files.
15389 (DEF_GOMP_BUILTIN): New.
15390 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15391 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15392 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15393 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15394 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15395 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15396 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15397 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15398 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15399 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15400 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15401 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15402 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15403 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15404 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15405 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15406 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15407 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15408 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15409 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15410 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15411 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15412 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15413 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15414 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15415 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15416 * sync-builtins.def: New file, moved from builtins.def.
15417 * omp-builtins.def: New file, moved from builtins.def.
15418 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15419 * gimple-low.c (lower_function_body): Clear data.
15420 (lower_stmt): Do not handle COMPOUND_EXPR.
15421 Remove call to print_node_brief.
15422 * c-tree.h (c_finish_omp_clauses): New prototype.
15423 (C_DECL_THREADPRIVATE_P): Define.
15424 (lookup_name_no_remap, c_omp_remap_private): Remove
15425 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15426 (check_for_loop_decls): Update decl.
15427 (lookup_name_no_remap, c_omp_remap_private): Declare.
15428 (build_indirect_ref, build_modify_expr, pushdecl,
15429 pushdecl_top_level): Move to c-common.h.
15430 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15431 before the switch, but just in the 2 places that need it.
15432 * c-decl.c (diagnose_mismatched_decls): Do not check for
15433 mismatched thread-local attributes when OLDDECL is marked
15434 threadprivate and NEWDECL has no thread-local attributes.
15435 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15436 (c_gimple_diagnostics_recursively): Rename from
15437 c_warn_unused_result_recursively. Invoke
15438 diagnose_omp_structured_block_errors.
15439 (check_for_loop_decls): Return a singular decl found.
15440 * langhooks.c (lhd_omp_predetermined_sharing): Return
15441 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15442 (lhd_omp_firstprivatize_type_sizes): New.
15443 (lhd_omp_assignment): New.
15444 (lhd_omp_predetermined_sharing): New.
15445 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15446 (struct lang_hooks_for_types): Add
15447 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15448 omp_predetermined_sharing, omp_disregard_value_expr,
15449 omp_private_debug_clause, omp_clause_default_ctor,
15450 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15451 (c_finish_omp_clauses): New.
15452 (c_finish_bc_stmt): Diagnose break within omp for.
15453 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15454 (build_unary_op): Return error_mark after reporting
15456 (build_modify_expr): Likewise.
15457 * gimplify.c: Include optabs.h and pointer-set.h.
15458 (enum gimplify_omp_var_data): Declare.
15459 (struct gimplify_omp_ctx): Declare.
15460 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15462 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15463 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15464 (splay_tree_compare_decl_uid): New.
15465 (new_omp_context): New.
15466 (delete_omp_context): New.
15467 (gimple_add_tmp_var): Call omp_add_variable.
15468 (gimplify_bind_expr): Likewise.
15469 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15470 true, disregard DECL_VALUE_EXPR on the decl if any.
15471 (gimplify_expr_in_ctx): New.
15472 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15473 omp_add_variable, omp_notice_variable, omp_is_private
15474 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15475 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15476 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15477 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15478 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15479 gimplify_omp_atomic): New.
15480 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15481 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15482 OMP_CRITICAL and OMP_ATOMIC.
15483 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15484 * c-pragma.h (enum pragma_kind): Add
15485 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15486 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15487 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15488 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15489 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15490 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15491 PRAGMA_OMP_THREADPRIVATE.
15492 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15493 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15494 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15495 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15496 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15497 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15498 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15499 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15500 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15501 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15502 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15503 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15504 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15506 (struct nesting_info): Add field_map,
15507 suppress_expansion, debug_var_chain.
15508 (create_nesting_tree): Initialize them.
15509 (lookup_field_for_decl): Use field_map.
15510 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15511 (convert_local_omp_clauses): New.
15512 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15513 (walk_body): Split out of walk_function.
15514 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15515 (convert_nonlocal_reference): Handle omp statements.
15516 (convert_local_reference): Likewise.
15517 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15518 (unnest_nesting_tree): New.
15519 (lower_nested_functions): Call it.
15520 (insert_field_into_struct): Make extern.
15521 (struct walk_stmt_info): Move to tree-gimple.h.
15522 (walk_stmts): Make extern.
15523 * omp-builtins.def: New file.
15524 * tree-iterator.c (expr_only): Clarify comment.
15525 * c-common.h (pushdecl_top_level, pushdecl,
15526 build_modify_expr, build_indirect_ref,
15527 c_finish_omp_master, c_finish_omp_critical,
15528 c_finish_omp_ordered, c_finish_omp_barrier,
15529 c_finish_omp_atomic, c_finish_omp_flush,
15530 c_finish_omp_for, c_split_parallel_clauses,
15531 omp_clause_default_kind, c_omp_sharing_predetermined,
15532 c_omp_remap_decl): Declare.
15533 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15534 (OBJS-common): Add omp-low.o.
15535 (c-omp.o, omp-low.o): Add.
15536 (gimplify.o): Add dependency on $(OPTABS_H).
15537 (GTFILES): Add omp-low.c.
15538 (gt-stringpool.h): Add.
15539 * tree-cfg.c (set_bb_for_stmt): Do not update the
15540 block-to-labels map if we are currently expanding to RTL.
15541 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15543 Handle IDENTIFIER_NODE.
15544 (tree_verify_flow_info): Do not ICE when emitting error
15545 messages about invalid labels.
15546 (dump_function_to_file): Reset CFUN before emitting the body
15548 (debug_function): New.
15549 * passes.c (init_optimization_passes): Schedule
15551 * langhooks-def.h (lhd_omp_predetermined_sharing,
15552 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15554 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15555 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15556 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15557 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15558 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15559 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15560 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15561 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15562 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15563 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15564 (LANG_HOOK_DECLS): Use them.
15566 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15567 Richard Henderson <rth@redhat.com>
15568 Jakub Jelinek <jakub@redhat.com>
15569 Diego Novillo <dnovillo@redhat.com>
15571 * c-parser.c (pragma_omp_clause): Define.
15572 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15573 (c_parser_compound_statement): Likewise.
15574 (c_parser_statement): Likewise.
15575 (c_parser_pragma): Handle omp pragmas.
15576 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15577 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15578 (c_parser_omp_clause_name, check_no_duplicate_clause,
15579 c_parser_omp_variable_list,
15580 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15581 c_parser_omp_clause_copyprivate,
15582 c_parser_omp_clause_default,
15583 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15584 c_parser_omp_clause_lastprivate,
15585 c_parser_omp_clause_nowait,
15586 c_parser_omp_clause_num_threads,
15587 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15588 c_parser_omp_clause_reduction,
15589 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15590 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15591 c_parser_omp_atomic, c_parser_omp_barrier,
15592 c_parser_omp_critical, c_parser_omp_flush,
15593 c_parser_omp_for_loop, c_parser_omp_for,
15594 c_parser_omp_master, c_parser_omp_ordered,
15595 c_parser_omp_sections_scope, c_parser_omp_sections,
15596 c_parser_omp_parallel, c_parser_omp_single,
15597 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15598 * c-pragma.c (init_pragma): Do omp pragma registration here.
15599 * c.opt (fopenmp): New flag.
15601 2006-01-18 Eric Christopher <echristo@apple.com>
15603 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15604 * config/darwin.h (GOMP_SELF_SPECS): Define.
15606 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15608 * rtl.h: Remove the prototype for reg_alloc.
15610 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15613 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15614 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15615 sjlj and dwarf2 exception handling.
15616 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15617 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15618 * pa/pa.c (function_value): Treat complex and vector types as
15620 (function_arg): Likewise. Only pass scalar floats in the floating
15621 point argument registers.
15622 * pa/t-slibgcc-dwarf-ver: New file.
15623 * pa/t-slibgcc-sjlj-ver: New file.
15624 * pa/t-slibgcc-elf-ver: Delete file.
15626 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15628 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15629 unlikely_test_section_p test.
15631 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15633 * mode-switching.c (optimize_mode_switching): Make it static.
15634 * basic-block.h: Remove the prototype for
15635 optimize_mode_switching.
15637 * modulo-sched.c (sms_schedule): Make it static.
15638 * rtl.h: Remove the prototype for sms_schedule.
15640 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15641 * rtl.h: Remove the prototype for gcse_after_reload_main.
15643 * reg-stack.c (reg_to_stack): Make it static.
15644 * rtl.h: Remove the prototype for reg_to_stack.
15646 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15648 * rtl.h: Remove the prototypes for regrename_optimize and
15649 copyprop_hardreg_forward.
15651 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15653 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15654 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15655 Test against the appropriate null constant for the mode.
15656 If 'fixup_overlap' is true, swap the operands if they overlap.
15657 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15658 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15659 alpha_split_tmode_pair and adjust for above change.
15660 * config/alpha/alpha.md (movtf_internal): Adjust call to
15661 alpha_split_tfmode_pair and rely on it to swap the operands.
15662 (movti_internal): New insn and post-reload splitter.
15663 (movti): New expander.
15665 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15667 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15670 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15672 * rtlanal.c (global_reg_mentioned_p_1,
15673 global_reg_mentioned_p): Remove.
15674 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15676 * flow.c (initialize_uninitialized_subregs): Make it static.
15677 * rtl.h: Remove the prototype for
15678 initialize_uninitialized_subregs.
15680 * function.c (instantiate_virtual_regs): Make it static.
15681 * function.h: Remove the prototype for
15682 instantiate_virtual_regs.
15684 * regmove.c (regmove_optimize, combine_stack_adjustments):
15686 * rtl.h: Remove the prototypes for regmove_optimize and
15687 combine_stack_adjustments.
15689 2006-01-17 Roger Sayle <roger@eyesopen.com>
15691 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15692 (size_cost): Encode costs in bytes so that a reg-reg addition is
15693 equivalent to COSTS_N_INSNS(1).
15694 (override_options): Use the size_cost.branch_cost as the default
15695 ix86_branch_cost when optimizing for size.
15697 2006-01-18 Ben Elliston <bje@au.ibm.com>
15699 * Makefile.in (D32PBIT_FUNCS): New.
15700 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15701 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15702 D64PBIT_FUNCS and D128PBIT_FUNCS.
15703 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15704 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15706 (decnumber_dep): Define.
15707 * doc/libgcc.texi (Decimal float library routines): New node.
15708 * config/dfp-bit.h, config/dfp-bit.c: New files.
15710 2006-01-18 Ben Elliston <bje@au.ibm.com>
15712 * expr.c (emit_move_change_mode): Always adjust addresses, not
15713 just during reload. Copy replacements only during reload.
15714 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
15715 emit_move_via_integer.
15717 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
15719 * Makefile.in (check-%, check-consistency): Use $${srcdir}
15720 instead of $(srcdir) and ${srcdir}.
15722 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
15725 PR middle-end/11135
15726 * arm.h (struct machine_function): Add pic_reg.
15727 * arm.c (arm_pic_register): Make unsigned.
15728 (arm_override_options): Only set arm_pic_register if
15729 TARGET_SINGLE_PIC_BASE.
15730 (use_return_insn): Only test for a pic register if it is fixed.
15731 (arm_compute_save_reg0_reg12_mask): Likewise.
15732 (thumb_compute_save_reg_mask): Likewise.
15733 (legitimate_pic_operand): Factor out some known invariants.
15734 (legitimize_pic_address): If we don't have a fixed pic register,
15735 then set up a pseudo in the function entry sequence. Handle the
15736 pic base being in a pseudo.
15737 (arm_load_pic_register): Handle the pic register being in a pseudo.
15738 (arm_expand_prologue): Only set up the pic register if it is fixed.
15739 (thumb_expand_prologue): Likewise.
15740 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15741 (pic_load_addr_based_insn): Likewise.
15742 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15745 2006-01-18 Ben Elliston <bje@au.ibm.com>
15747 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15748 decimal float modes for all floating point registers.
15750 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15751 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15753 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15756 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15757 even when the pointer is not NULL.
15759 2006-01-16 Ian Lance Taylor <ian@airs.com>
15761 * common.opt (ftoplevel-reorder): New option.
15762 * cgraph.c (cgraph_asm_nodes): New global variable.
15763 (cgraph_asm_last_node): New static variable.
15764 (cgraph_order): New global variable.
15765 (cgraph_create_node): Set new order field.
15766 (cgraph_varpool_node): Likewise.
15767 (decide_is_variable_needed): Return true if not
15768 flag_toplevel_reorder.
15769 (cgraph_add_asm_node): New function.
15770 * cgraph.h (struct cgraph_node): Add order field.
15771 (struct cgraph_varpool_node): Add order field.
15772 (struct cgraph_asm_node): Define.
15773 (cgraph_asm_nodes, cgraph_order): Declare.
15774 (cgraph_add_asm_node): Declare.
15775 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15777 (cgraph_varpool_assemble_pending_decls): Call it.
15778 (cgraph_output_pending_asms): New static function.
15779 (cgraph_finalize_compilation_unit): Call it.
15780 (struct cgraph_order_sort): Define.
15781 (cgraph_output_in_order): New static function.
15782 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15783 !flag_toplevel_reorder case.
15784 * c-parser.c: Include "cgraph.h".
15785 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
15787 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15788 than -fno-unit-at-a-time.
15789 * doc/invoke.texi (Option Summary): Mention
15790 -fno-toplevel-reorder.
15791 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15792 -funit-at-a-time documentation.
15794 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
15795 Kazu Hirata <kazu@codesourcery.com>
15797 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
15799 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
15801 * Makefile.in (FUNCTION_H): New. Use it instead of
15802 function.h throughout the file.
15803 * function.h: Include tree.h.
15805 2006-01-17 Ben Elliston <bje@au.ibm.com>
15807 * recog.c: Separate some functions with whitespace.
15809 2006-01-16 Richard Henderson <rth@redhat.com>
15811 Merge from gomp branch:
15812 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
15813 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
15814 and rename from struct inline_data. Rename callee* to dst*;
15815 caller* to src*; add copy_decl hook, transform_call_graph_edges,
15816 transform_new_cfg, transform_return_to_modify, and
15817 transform_lang_insert_block flags; remove cloning_p, versioning_p,
15819 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
15820 (copy_decl_for_dup): Remove.
15821 * tree-inline.c (struct inline_data): Move to header.
15822 (insert_decl_map): Export.
15823 (remap_decl): Update for member name changes. Use copy_decl hook.
15824 Allow for replacement to be a non-decl. Remove dead code.
15825 (remap_type_1): Check for existing mapping.
15826 (remap_type): Export.
15827 (remap_decls): Update for member name changes.
15828 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
15829 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
15830 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
15831 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
15832 (tree_function_versioning, build_duplicate_type): Likewise.
15833 (copy_body_r): Likewise. Export.
15834 (copy_decl_for_dup): Split into ...
15835 (copy_decl_for_dup_finish, copy_decl_to_var,
15836 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
15837 (replace_ref_tree, inlining_p): Remove.
15839 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15841 * ifcvt.c (if_convert): Make it static.
15842 * rtl.h: Remove the prototype for if_convert.
15844 * local-alloc.c (local_alloc): Make it static.
15845 * rtl.h: Remove the prototype for local_alloc.
15847 * loop.c (loop_optimize): Make it static.
15848 * cfgloop.h: Remove the prototype for loop_optimize.
15851 2006-01-16 DJ Delorie <dj@redhat.com>
15853 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
15856 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15858 * pa.md: Disparage copies between general and floating-point registers
15859 in 32-bit move patterns.
15861 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
15864 * Makefile.in (check-%): Depend on site.exp instead of
15865 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
15868 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15870 * global.c (global_alloc): Make it static.
15871 * rtl.h: Remove the prototype for global_alloc.
15873 2006-01-16 Richard Guenther <rguenther@suse.de>
15875 * tree-ssa-alias.c (struct used_part): Add write_only field.
15876 (get_or_create_used_part_for): Initialize it to true.
15877 (create_overlap_variables_for): Don't create structure variables
15878 for structures that only are written to.
15879 (find_used_portions): Handle MODIFY_EXPR to track whether a
15880 structure is only written to.
15882 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15884 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
15886 * basic-block.h: Remove the prototype for
15887 partition_hot_cold_basic_blocks.
15889 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
15891 * cppspec.c (lang_specific_spec_functions): Remove.
15892 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
15893 * gcc.h (lang_specific_spec_functions): Remove.
15894 * gccspec.c (lang_specific_spec_functions): Remove.
15896 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
15898 * combine.c (record_value_for_reg): Invalidate registers
15900 (record_dead_and_set_regs_1): Likewise, by passing them to
15901 record_value_for_reg.
15902 (record_dead_and_set_regs): Invalidate stores made by a
15903 call. We do not combine across a call, but we still
15904 relied on equivalences.
15906 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15908 * tree-vrp.c (extract_range_from_binary_expr): Cope with
15909 vrp_int_const_binop returning non-constant nodes.
15911 2006-01-16 Paul Brook <paul@codesourcery.com>
15913 * config/m68k/m68k.c (output_move_const_into_data_reg):
15914 Output correct mnemonic for mvz and mvs.
15916 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
15918 * rtl-factoring.c: Add sequence abstraction algorithm.
15919 * cfgcleanup.c (outgoing_edges_match): Extra checks.
15920 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
15922 (block_has_preserve_label): New function.
15923 * common.opt: Register new pass.
15924 * Makefile.in: Ditto.
15926 * timevar.def: Ditto.
15927 * tree-pass.h: Ditto.
15928 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
15929 * rtl.h (make_jump_insn_raw): Add forward decl.
15930 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
15932 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15933 Roger Sayle <roger@eyesopen.com>
15935 * fold-const.c (fold_minmax): New static function.
15936 (fold_binary) <MIN_EXPR>: Call it.
15937 <MAX_EXPR>: Likewise.
15938 * stor-layout.c (place_field): Use DECL_SIZE consistently
15939 in the computation of the new record size.
15941 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15943 * cse.c (cse_condition_code_reg): Make it static.
15944 * rtl.h: Remove the prototype for cse_condition_code_reg.
15946 * combine.c (combine_instructions): Make it static.
15947 * rtl.h: Remove the prototype for combine_instructions.
15949 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15952 * tree.c (get_file_function_name_long): Concatenate the first global
15953 object name with a string derived from the input filename of the object
15956 2006-01-16 Ben Elliston <bje@au.ibm.com>
15958 * config/i386/winnt-stubs.c: Update FSF address.
15959 * config/xtensa/ieee754-df.S: Ditto.
15960 * config/xtensa/ieee754-sf.S: Ditto.
15962 2006-01-14 Ian Lance Taylor <ian@airs.com>
15964 * ifcvt.c (noce_init_if_info): New static function, broken out of
15965 noce_process_if_block.
15966 (noce_process_if_block): Call noce_init_if_info.
15967 (check_cond_move_block): New static function.
15968 (cond_move_process_if_block): New static function.
15969 (process_if_block): Call cond_move_process_if_block.
15971 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
15973 * cselib.c (hash_table): Rename to cselib_hash_table.
15974 (cselib_clear_table, discard_useless_values,
15975 remove_useless_values, cselib_lookup_mem, cselib_lookup,
15976 cselib_init, cselib_finish): Adjust uses of hash_table.
15978 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
15980 PR tree-optimization/25485
15981 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
15982 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
15983 is known to be false and true, respectively.
15985 2006-01-14 Richard Guenther <rguenther@suse.de>
15987 PR tree-optimization/22548
15988 PR tree-optimization/22555
15989 PR tree-optimization/22501
15990 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
15991 * params.def (salias-max-array-elements): New parameter.
15992 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
15993 * doc/invoke.texi (salias-max-array-elements): Document.
15994 * tree-flow-inline.h (var_can_have_subvars): We also handle
15996 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
15998 * tree-ssa-structalias.c (params.h): Include.
15999 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16000 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16001 (get_constraint_for): For ADDR_EXPR operating on something
16002 containing an ARRAY_REF, add all subvars to the solution.
16003 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16004 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16005 for creating MUST_DEFs.
16006 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16008 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16010 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16012 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16013 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16014 number_of_iterations_le): New functions.
16015 (number_of_iterations_special): Removed.
16016 (number_of_iterations_exit): Do not use number_of_iterations_special.
16017 * tree.c (unsigned_type_for): Always return integer type.
16019 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
16020 Richard Guenther <rguenther@suse.de>
16022 PR rtl-optimization/24257
16023 * gcse.c (find_moveable_store): Only consider a store movable
16024 when the SET_SRC of the insn can be assigned to a register.
16026 2006-01-14 Ian Lance Taylor <ian@airs.com>
16028 * tree.c (tree_not_class_check_failed): New function.
16029 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16030 (tree_not_class_check_failed): Declare.
16032 2006-01-13 Ian Lance Taylor <ian@airs.com>
16034 * reload1.c (do_output_reload): Add assertion rejecting a
16037 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16039 * combine.c (struct reg_stat): Add new fields truncation_label and
16041 (record_value_for_reg): Reset truncated_to_mode.
16042 (record_truncated_value): New function.
16043 (check_promoted_subreg): Call it. Rename to check_conversions.
16044 (combine_instructions): Rename check_promoted_subreg to
16046 (reg_truncated_to_mode): New function.
16047 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16048 (gen_lowpart_or_truncate): New function.
16049 (force_to_mode): Use it instead of gen_lowpart.
16051 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16053 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16054 VAR is a tag, not its type tag.
16056 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16058 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16059 alternatives to match style of other entries.
16060 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16062 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16064 PR tree-optimization/25771
16065 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16068 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16071 * tree-inline.c (declare_return_variable): If the return variable
16072 was marked as a non gimple complex, set the return slot variable
16073 to be a non gimple comple variable.
16075 2006-01-13 Richard Guenther <rguenther@suse.de>
16077 * builtins.c (expand_builtin_sincos): New function.
16078 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16080 (expand_builtin): Expand sincos using expand_builtin_sincos.
16082 2006-01-12 DJ Delorie <dj@redhat.com>
16084 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16085 shift counts, separate SI shifts for m32c vs m16c, pass shift type
16086 so that constant shifts can be split.
16087 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16088 (m32c_valid_pointer_mode): Make static.
16089 (shift_gen_func_for): New.
16090 (m32c_prepare_shift): Use it. Split large const shifts into
16092 * config/m32c/predicates.md (shiftcount_operand): Allow more
16094 (longshiftcount_operand): New.
16095 * doc/md.texi (Machine Constraints): Document In6.
16097 2006-01-13 Ben Elliston <bje@au.ibm.com>
16099 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16100 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16103 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
16105 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16106 to try to avoid clobbering pieces of structures when we know
16107 something about the whole structure.
16108 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16110 2006-01-13 Ben Elliston <bje@au.ibm.com>
16112 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16113 return in memory, as this is no limitation is no longer present.
16115 2006-01-12 DJ Delorie <dj@redhat.com>
16117 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16118 mova with fb, and for fb+0 -> An.
16120 * config/m32c/mov.md (peephole2): Fix enabling logic.
16122 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16123 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16124 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16125 FINI_ARRAY_SECTION_ASM_OP): Define.
16127 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16129 (m32c_legitimize_reload_address): New logic to reload FB to An.
16130 (m32c_output_reg_push): Add newline.
16131 (m32c_output_reg_pop): Likewise.
16133 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16135 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16137 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16139 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16141 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16143 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16146 2006-01-11 Ben Elliston <bje@au.ibm.com>
16148 * rtlanal.c (find_reg_note): Assert insn is not null.
16150 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16152 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16155 2006-01-11 Jeff Law <law@redhat.com>
16157 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16159 (mark_threaded_blocks, register_jump_thread): New functions.
16160 (thread_through_all_blocks): Remove unwanted argument. No
16161 longer rely on e->aux to communicate thread target info.
16162 Call mark_threaded_blocks. Release the threaded_blocks
16163 bitmap and threaded_edges vector when complete.
16164 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16165 (threaded_blocks): Remove.
16166 (tree_ssa_dominator_optimize): Remove initialization and
16167 finalization of threaded_blocks. Simplify call to
16168 thread_through_all_blocks.
16169 (thread_across_edge): Call register_jump_thread rather than
16170 storing thread information into e->aux.
16171 (free_all_edge_infos): Simplify now that e->aux is no longer
16172 used to communicate with thread_through_all_blocks.
16173 * tree-flow.h (thread_through_all_blocks): Update prototype.
16174 (register_jump_thread): Prototype.
16176 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16178 * df-core.c (df_compact_blocks, df_bb_replace): Use
16179 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16181 2006-01-11 Richard Guenther <rguenther@suse.de>
16183 PR tree-optimization/25734
16184 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16185 stop propagation after successful propagation to the LHS.
16187 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16189 * basic-block.h (control_flow_graph): Change the type of
16190 x_basic_block_info to VEC(basic_block,gc) *.
16191 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16193 (SET_BASIC_BLOCK): New.
16194 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16195 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16196 * cfgbuild.c (find_basic_blocks): Likewise.
16197 * cfglayout.c (fixup_reorder_chain): Likewise.
16198 * cfgrtl.c (create_basic_block_structure,
16199 rtl_create_basic_block): Likewise.
16200 * ifcvt.c (find_if_case_1): Likewise.
16201 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16204 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16206 * Makefile.in: Removed rotted odf.c entry.
16208 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16211 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16212 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16213 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16214 output pattern modifier, not %e.
16215 * config/cris/cris.c (cris_op_str): Update comment about pattern
16217 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16218 before falling through into...
16219 <case 'E'>: Redefined from old 'e' case.
16221 2006-01-11 Jan Hubicka <jh@suse.cz>
16224 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16226 2006-01-11 Jan Hubicka <jh@suse.cz>
16228 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16229 * i386.c (x86_decompose_lea): Kill.
16230 (ix86_rtx_costs): Kill.
16232 2006-01-11 Jan Hubicka <jh@suse.cz>
16234 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16235 * cgraph.h (cgraph_node): Add inline_decl.
16236 (cgraph_insert_node_to_hashtable): Declare.
16237 (save_inline_function_body): Declare.
16238 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16240 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16241 (cgraph_function_versioning): Update call of tree_function_versioning.
16242 (save_inline_function_body): New function.
16243 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16244 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16245 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16246 (cgraph_default_inline_p): Likewise.
16247 (cgraph_decide_inlining_incrementally): Likewise.
16248 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16249 (copy_bb): Kill saving; do updating of clones.
16250 (copy_cfg_body): Kill saving.
16251 (initialize_inlined-parameters): Likewise.
16252 (expand_call_inline): Likewise.
16254 (tree_function_versioning): New parameter "update_clones".
16255 (inlining_p): Kill saving.
16256 * tree-inline.h (tree_function_versioning): Update prototype.
16257 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16260 2006-01-11 Ian Lance Taylor <ian@airs.com>
16262 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16263 Allow undoing set of machine mode.
16264 (do_SUBST): Use enums instead of is_int.
16265 (do_SUBST_MODE): New function.
16266 (SUBST_MODE): New macro.
16267 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16268 reg and trying to replace reg_regno_rtx with a new register.
16269 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16270 (simplify_set): Use SUBST_MODE.
16271 (distribute_notes): Remove code that tried to update reg notes
16272 for regno_reg_rtx changes.
16274 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16276 PR tree-optimization/23109
16277 PR tree-optimization/23948
16278 PR tree-optimization/24123
16280 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16281 * tree-cfg.c (single_noncomplex_succ): New.
16282 * tree-flow.h (single_noncomplex_succ): Declare it.
16283 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16284 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16285 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16286 insert_bb, register_division_in, insert_reciprocals,
16287 replace_reciprocal, free_bb): New.
16288 (execute_cse_reciprocals_1): Rewritten.
16289 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16290 Do not commit any edge insertion. Always compute dominators and
16291 create the allocation pool.
16292 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16293 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16294 * targhooks.c (default_min_divistions_for_recip_mul): New.
16295 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16296 * passes.c (init_optimization_passes): Run recip after tree loop
16298 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16300 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16301 Kenneth Zadeck <zadeck@naturalbridge.com>
16303 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16304 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16305 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16306 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16307 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16308 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16309 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16310 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16311 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16312 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16313 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16314 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16315 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16316 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16317 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16318 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16319 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16320 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16321 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16322 DF_SCAN_POST_ALLOC): New macros.
16323 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16324 df_free_bb_function, df_local_compute_function, df_init_function,
16325 df_dataflow_function, df_confluence_function_0,
16326 df_confluence_function_n, df_transfer_function,
16327 df_finalizer_function, df_free_function, df_dump_problem_function,
16328 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16329 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16330 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16331 df_urec_bb_info, ) New types.
16332 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16334 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16335 df_analyze_simple_change_some_blocks,
16336 df_analyze_simple_change_one_block, df_compact_blocks,
16337 df_bb_replace, df_bb_regno_last_use_find,
16338 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16339 df_insn_regno_def_p, df_find_def, df_find_use,
16340 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16341 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16342 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16343 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16344 debug_df_chain, df_get_dependent_problem, df_chain_create,
16345 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16346 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16347 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16348 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16349 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16350 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16351 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16352 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16353 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16354 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16355 df_reorganize_refs, df_set_state, df_hard_reg_init,
16356 df_read_modify_subreg_p) New public functions.
16357 * df-core.c: The core dataflow solver and glue routines for rtl
16359 (df_init, df_add_problem, df_set_blocks, df_finish,
16360 df_hybrid_search_forward, df_hybrid_search_backward,
16361 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16362 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16363 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16364 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16365 df_reg_defined, df_find_use, df_reg_used, df_dump,
16366 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16367 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16368 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16369 debug_df_useno, reset_df_after_reload): New functions.
16370 * df-scan.c: The scanning fuctions, once in df.c, completely
16371 rewritten so that they now fully model the functionality of
16372 register usage at the backend.
16373 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16374 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16375 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16376 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16377 df_get_artificial_defs, df_get_artificial_uses,
16378 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16379 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16380 df_refs_delete, df_reorganize_refs, df_set_state,
16381 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16382 df_def_record_1, df_defs_record, df_uses_record,
16383 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16384 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16385 df_record_exit_block_uses, df_hard_reg_init): New functions.
16387 * df-problems.c: Seven concrete dataflow problems that use the
16388 scanning in df-scan.c and are solved by the engine in df-core.c.
16389 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16390 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16391 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16392 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16393 df_ru_free_bb_info, df_ru_alloc,
16394 df_ru_bb_local_compute_process_def,
16395 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16396 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16397 df_ru_transfer_function, df_ru_free, df_ru_dump,
16398 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16399 df_rd_free_bb_info, df_rd_alloc,
16400 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16401 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16402 df_rd_transfer_function, df_rd_free, df_rd_dump,
16403 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16404 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16405 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16406 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16407 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16408 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16409 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16410 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16411 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16412 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16413 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16414 df_urec_mark_reg_use_for_earlyclobber,
16415 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16416 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16417 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16418 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16419 df_chain_create_bb_process_use, df_chain_create_bb,
16420 df_chain_finalize, df_chain_free, df_chains_dump,
16421 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16422 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16423 df_reg_lifetime): New functions.
16424 * df.c: Deleted file.
16425 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16426 consistent with new df api.
16427 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16428 rest_of_handle_sms): Ditto.
16429 * web.c (unionfind_union, union_defs, entry_register, web_main):
16431 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16432 invariant_expr_equal_p, find_defs, check_dependencies,
16433 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16434 free_inv_motion_data, move_loop_invariants): Ditto.
16435 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16436 Update dependencies.
16437 (odf.c): Added defective entry that was deleted later in day.
16438 * sched-deps.c (sched_analyze_1): Ditto.
16440 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16442 * tree-ssa-operands.c (get_expr_operands): Record addressable
16443 variables directly. Do not call add_stmt_operands for CONST_DECLs
16445 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16446 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16448 2006-01-11 Ben Elliston <bje@au.ibm.com>
16450 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16451 function returns true in the positive case.
16453 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16456 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16457 for SI, DI, SF and DF modes. Add alternatives to copy between
16458 general and floating point registers to the 32-bit patterns.
16459 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16460 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16461 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16462 generating 64-bit code.
16463 * config/pa/pa.c (output_move_double): Handle copies between general
16464 and floating registers.
16466 2006-01-10 Stuart Hastings <stuart@apple.com>
16468 * config/i386/i386.md (set_got): Update.
16469 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16470 (builtin_setjmp_receiver): Mach-O support.
16471 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16472 (GOT_SYMBOL_NAME): Define.
16473 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16474 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16475 * config/i386/i386.c (override_options): Revise for Darwin.
16476 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16477 support. (darwin_x86_file_end): New. (output_set_got): Add label
16478 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16479 * config/i386/i386-protos.h (output_set_got): Likewise.
16480 * config/darwin.c (machopic_legitimize_pic_address): Update
16483 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16485 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16486 when MODE isn't BLKmode.
16488 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16490 PR rtl-optimization/25367
16491 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16493 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16496 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16497 for a negative bound.
16499 2006-01-10 Richard Guenther <rguenther@suse.de>
16501 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16502 Never override with anything constraint.
16504 2006-01-10 Jan Beulich <jbeulich@novell.com>
16506 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16507 256 bits when optimize_size.
16509 2006-01-10 Jan Beulich <jbeulich@novell.com>
16511 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16513 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16514 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16517 2006-01-10 Ben Elliston <bje@au.ibm.com>
16519 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16521 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16522 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16523 (USE_FP_FOR_ARG): Reject decimal float modes.
16524 (function_arg_advance): Likewise.
16525 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16526 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16527 point types in AltiVec vectors.
16528 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16529 (rs6000_libcall_value): Likewise.
16531 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16533 * config/xtensa/ieee754-df.S: New file.
16534 * config/xtensa/ieee754-sf.S: New file.
16535 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16536 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16537 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16539 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16541 * config/sh/predicates.md (binary_float_operator,
16542 binary_logical_operator, commutative_float_operator,
16543 equality_comparison_operator, greater_comparison_operator,
16544 less_comparison_operator, logical_operator,
16545 noncommutative_float_operator, shift_operator,
16546 symbol_ref_operand, unary_float_operator): Remove redundant
16549 2006-01-09 Jeff Law <law@redhat.com>
16551 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16552 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16553 now unused arguments. Callers updated.
16554 (eliminate_redundant_computations): Remove now unused arguments,
16556 (local_fold): Remove, no longer used.
16557 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16559 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16560 (simplify_cond): New function.
16561 (forward_propagate_into_cond): Call simplify_cond.
16563 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16565 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16566 (*vec_extractv2di_1_sse): New.
16568 2006-01-09 Ben Elliston <bje@au.ibm.com>
16570 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16572 2006-01-08 Richard Guenther <rguenther@suse.de>
16574 * tree-ssa-structalias.c (get_constraint_for): Remove
16575 anyoffset argument.
16576 (get_constraint_for_component_ref): Likewise.
16577 (do_deref): Likewise.
16578 (get_constraint_for): Likewise.
16579 (do_structure_copy): Likewise.
16580 (handle_ptr_arith): Likewise.
16581 (find_func_aliases): Likewise. Remove unused need_anyoffset
16584 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16585 Kaz Kojima <kkojima@gcc.gnu.org>
16587 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16588 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16589 (EXTRA_CONSTRAINT_C16): Remove.
16590 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16591 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16592 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16593 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16594 constants of SHmedia. Handle nested constant expressions of
16596 (andcosts): Fix the costs for SHmedia constants.
16597 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16598 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16599 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16600 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16601 (movv4hi_i, movv2si_i): Likewise.
16602 (movsi_const): Adjust the second operand of ior so to match with
16603 the Csu constraint.
16604 (movdi_const, movdi_const_32bit): Likewise.
16605 (movdi_const_16bit+1): Don't sign-extend LOW.
16606 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16608 (*double_shori): Fix the split condition. Use GEN_INT instead
16609 of get_int_mode calls. Mask lower 16-bit of the argument of
16611 (sym2GOTPLT): Remove.
16612 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16614 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16615 instead of EXTRA_CONSTRAINT_C16.
16617 2006-01-07 Ian Lance Taylor <ian@airs.com>
16618 David Edelsohn <edelsohn@gnu.org>
16620 PR rtl-optimization/25662
16621 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16622 for constant operands instead of simplify_gen_binary.
16623 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16624 after trying simplify_binary_operation
16626 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16628 * tree.c (iterative_hash_expr): Hash decls based on UID.
16630 2006-01-06 Eric Christopher <echristo@apple.com>
16632 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16633 (TARGET_UNWIND_EMIT): Fix spelling.
16634 * target.h (gcc_target): Add except_table_label.
16635 * except.c (output_function_exception_table): Use.
16636 * varasm.c (default_emit_except_table_label): New.
16637 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16639 (asm_out): Add here.
16640 * output.h (default_emit_except_table_label): Prototype.
16641 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16642 * config/darwin.c (darwin_emit_except_table_label): Define.
16643 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16645 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16647 PR tree-optimization/18527
16648 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16649 number_of_iterations_special, number_of_iterations_exit):
16650 Move base and step of an iv to a single structure. Add
16651 no_overflow flag, and use it in # of iterations analysis.
16652 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16653 folded_casts argument.
16654 (simple_iv): Pass base and step in a structure. Set no_overflow
16656 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16657 Evaluate expensiveness of computing # of iterations instead of
16658 the final expression.
16659 * tree-scalar-evolution.h (affine_iv): New structure.
16660 (simple_iv): Declaration changed.
16661 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16662 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16663 find_givs_in_stmt): Changed due to simple_iv change.
16665 2006-01-06 Jeff Law <law@redhat.com>
16668 * tree-cfg.c (bsi_replace): Rename final argument from
16669 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16670 change (stmt -> orig_stmt).
16671 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16672 (bsi_remove): Add new argument. Remove EH information
16674 (verify_eh_throw_table_statements): New function.
16675 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16677 * tree-optimize.c (execute_free_cfg_annotations): Verify
16678 the EH throw statement table after removing annotations.
16679 * except.h (verify_eh_throw_table_statements): Prototype.
16680 * tree-flow.h (bsi_remove): Update prototype.
16681 * tree-vrp.c (remove_range_assertions): Add new argument to
16683 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16684 * tree-complex.c (expand_complex_div_wide): Likewise.
16685 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16686 * tree-tailcall.c (eliminate_tailcall): Likewise.
16687 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16688 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16689 * tree-nrv.c (tree_nrv): Likewise.
16690 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16691 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16692 (combine_blocks): Likewise.
16693 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16694 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16695 (cleanup_control_flow): Likewise.
16696 (remove_forwarder_block): Likewise.
16697 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16698 * tree-sra.c (sra_replace): Likewise.
16699 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16700 (forward_propagate_single_use_vars): Likewise.
16701 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16702 * tree-inline.c (expand_call_inline): Likewise.
16703 * tree-vect-transform.c (vect_transform_loop): Likewise.
16704 * tree-outof-ssa.c (rewrite_trees): Likewise.
16705 * tree-cfg.c (make_goto_expr_edges): Likewise.
16706 (cleanup_dead_labels): Likewise.
16707 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16708 (bsi_move_before, bsi_move_after): Likewise.
16709 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16710 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
16712 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
16715 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
16717 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
16718 on non gimple variables. Also add checks at the top for decls and
16720 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
16722 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
16723 and IMAGPART_EXPR for creating MUST_DEFs.
16724 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
16725 and NAME_MEMORY_TAG separately from the DECLs.
16727 2006-01-06 Richard Guenther <rguenther@suse.de>
16729 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
16730 annotation, if necessary.
16731 * tree-ssa-pre.c (create_expression_by_pieces): Remove
16732 redundant calls to update_stmt.
16733 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16736 2006-01-05 Richard Henderson <rth@redhat.com>
16738 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16740 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16742 * c-typeck.c: Update copyright date.
16744 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16746 * c-typeck.c (build_c_cast): Always warn when casting
16747 from a pointer to an integer of different size, even if
16748 the node was constant.
16750 2006-01-05 Richard Guenther <rguenther@suse.de>
16752 PR tree-optimization/22555
16753 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16754 if one structure field is an array.
16755 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16756 operands even if we found a subvar, but ignore VOPs in this
16758 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16760 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16762 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16764 PR middle-end/24998
16765 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16767 2006-01-05 Richard Guenther <rguenther@suse.de>
16768 Diego Novillo <dnovillo@redhat.com>
16770 * tree-pass.h (TODO_remove_unused_locals): Define.
16771 * gimple-low.c (expand_var_p, remove_useless_vars,
16772 pass_remove_useless_vars): Remove. Update all users.
16773 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16774 (remove_unused_locals): New function.
16775 * tree-flow.h (remove_unused_locals): Declare.
16776 * passes.c (execute_todo): Call remove_unused_locals if
16777 TODO_remove_unused_locals is set.
16778 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16779 * tree-ssa-dce.c (pass_dce): Likewise.
16780 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16782 2006-01-05 Richard Guenther <rguenther@suse.de>
16784 * tree-flow.h (struct fieldoff): Decompose field to
16785 type, size and decl.
16786 * tree-ssa-alias.c (create_sft): Take type as parameter.
16787 (create_overlap_variables_for): Store type, size and decl
16788 in the fieldoff structure.
16789 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16790 of struct fieldoff.
16791 (push_fields_onto_fieldstack): Likewise.
16792 (create_variable_info_for): Likewise. Use offset for the
16793 SFT name if the decl is not available.
16795 2006-01-04 Paul Brook <paul@codesourcery.com>
16797 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
16799 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
16801 * lambda-code.c (can_put_in_inner_loop): Relax
16803 (can_put_after_inner_loop): New function.
16804 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
16805 (perfect_nestify): Change to make copies and modify uses.
16807 2006-01-04 Richard Henderson <rth@redhat.com>
16809 Merge from gomp branch:
16810 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
16811 via integer constant.
16812 (pragma_lex): Remove.
16813 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
16814 rather than parsing it.
16815 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
16816 handle_pragma_extern_prefix): Add %< %> quotes.
16817 (registered_pragmas): New.
16818 (c_register_pragma_1): New.
16819 (c_register_pragma): Use it.
16820 (c_register_pragma_with_expansion): Likewise.
16821 (c_invoke_pragma_handler): New.
16822 (init_pragma): Use cpp_register_deferred_pragma directly for
16824 * c-pragma.h (enum pragma_kind): New.
16825 (pragma_handler): New.
16826 (c_invoke_pragma_handler): Declare.
16827 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
16829 * c-common.h (c_common_pch_pragma): Update decl.
16830 * Makefile.in (c-parser.o): Update dependencies.
16831 (GTFILES): Add c-pragma.h.
16832 * c-parser.c (struct c_token): Add pragma_kind.
16833 (struct c_parser): Add in_pragma.
16834 (c_lex_one_token): Always initialize keyword and pragma_kind.
16835 Extract data for CPP_PRAGMA.
16836 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
16837 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
16838 Don't allow CPP_PRAGMA_EOL if in_pragma.
16839 (c_parser_consume_pragma): New.
16840 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
16841 (c_parser_skip_to_end_of_parameter): Likewise.
16842 (c_parser_skip_to_end_of_block_or_statement): Likewise.
16843 (c_parser_skip_to_pragma_eol): New.
16844 (c_parser_external_declaration): Handle CPP_PRAGMA.
16845 (c_parser_compound_statement_nostart): Likewise.
16846 (c_parser_statement_after_labels): Likewise.
16847 (c_parser_pragma): New.
16848 (pragma_lex): Likewise.
16849 (c_parser_pragma_pch_preprocess): New.
16850 (c_parser_new): Merge into ...
16851 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
16853 2006-01-04 Jeff Law <law@redhat.com>
16856 * tree-cfg.c (bsi_replace): Remove the original statement
16857 from the EH throw statement table.
16859 2006-01-04 Jakub Jelinek <jakub@redhat.com>
16861 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
16862 make the prototype extern "C" and add throw ().
16865 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
16866 and pos non-negative and pos + len <= 32.
16867 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
16868 drop pos + len < HOST_BITS_PER_WIDE_INT test.
16869 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
16872 * c-common.c (handle_vector_size_attribute): Reject zero vector size
16873 as well as sizes not multiple of component size.
16876 * function.c (instantiate_expr): New function.
16877 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
16878 walk its DECL_VALUE_EXPR with instantiate_expr.
16880 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
16881 DW_OP_deref{,_size} if address isn't going to be added.
16883 2006-01-04 Ben Elliston <bje@au.ibm.com>
16885 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
16886 * config/fp-bit.c: Likewise.
16888 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
16890 * dominance.c: Add comment about why we use DFS numbering
16893 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16894 Richard Henderson <rth@redhat.com>
16896 Merge from gomp-branch:
16897 * varasm.c (assemble_variable): Handle thread-local COMMON data.
16898 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
16900 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
16902 PR rtl-optimization/25578
16903 * combine.c (combine_simplify_rtx, force_to_mode): Don't
16904 pass a parameter to simplify_shift_const if changing ASHIFTRT
16907 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
16909 * builtins.c (get_builtin_sync_mem): New function.
16910 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
16911 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
16912 Call get_builtin_sync_mem to generate mem rtx.
16914 2006-01-03 Richard Guenther <rguenther@suse.de>
16917 * stmt.c (add_case_node): Make sure to clear overflow flags
16920 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16922 Merge from gomp-branch.
16923 * config/sparc/sync.md: New file.
16924 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
16925 UNSPECV_LDSTUB): New constants.
16926 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
16927 * config/sparc/predicates.md (memory_reg_operand): New predicate.
16928 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
16931 2006-01-03 Roger Sayle <roger@eyesopen.com>
16933 * combine.c (reg_subword_p): New predicate to test whether the
16934 destination of a set refers to a subword/piece of a register.
16935 (try_combine): Generalize the code to merge the setting of a
16936 pseudo to a constant followed by a set of a subword of that
16937 register to a constant.
16939 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
16941 * basic-block.h (control_flow_graph): Change the type of
16942 x_label_to_block_map to VEC(basic_block,gc) *.
16943 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
16944 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
16946 * tree-ssa-propagate.c (cfg_blocks): Change the type to
16947 VEC(basic_block,heap) *.
16948 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
16949 ssa_prop_fini): Adjust the uses of cfg_blocks.
16951 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
16953 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
16955 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
16956 hashing trees instead of a pointer hash.
16957 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
16958 compare for MEM_EXPR.
16960 PR rtl-optimization/25130
16961 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
16962 when comparing MEMs for GCSE
16964 2006-01-03 Ben Elliston <bje@au.ibm.com>
16966 * targhooks.h (default_decimal_float_supported_p): Declare.
16967 * targhooks.c (default_decimal_float_supported_p): Define.
16968 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
16969 `default_decimal_float_supported_p'.
16970 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
16972 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
16974 * combine.c (apply_distributive_law <SUBREG>): Check
16975 TRULY_NOOP_TRUNCATION.
16977 2006-01-02 Geoffrey Keating <geoffk@apple.com>
16979 * dwarf2out.c (have_switched_text_section): Delete.
16980 (have_multiple_function_sections): New.
16981 (have_location_lists): Make 'bool'.
16982 (add_AT_loc_list): Use 'true' not '1'.
16983 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
16984 (output_loc_list): Use have_multiple_function_sections.
16985 (output_ranges): Likewise.
16986 (dwarf2out_begin_function): Set have_multiple_function_sections if
16988 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
16989 Check function_section rather than DECL_SECTION_NAME.
16990 (dwarf2out_finish): Use have_multiple_function_sections.
16991 Don't clear have_location_lists.
16993 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
16994 Jan Hubicka <jh@suse.cz>
16996 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
16997 case of conditional jump jumping to the next instruction.
16998 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
16999 cases of conditional jump jumping to the next instruction.
17001 2006-01-02 Jan Hubicka <jh@suse.cz>
17003 * i386.c (*_cost): Add COSTS_N_INSNS.
17004 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17006 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
17009 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17011 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17013 * config/arm/arm.c (all_fpus): Fix comment typo.
17014 * config/darwin.c: Likewise.
17015 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17016 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17017 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17019 2006-01-01 David Edelsohn <edelsohn@gnu.org>
17021 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17022 (rs6000_split_compare_and_swapqhi): New.
17023 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17024 (sync_compare_and_swapqhi_internal): New.
17025 * config/rs6000/rs6000-protos.h: Declare.