1 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
4 inline static functions in c99 mode.
7 * doc/extend.texi (Inline): Update.
8 * c-tree.h (struct language_function): Remove field 'extern_inline'.
9 * c-decl.c (current_extern_inline): Delete.
10 (pop_scope): Adjust test for an undefined nested function.
11 Add warning about undeclared inline function.
12 (diagnose_mismatched_decls): Update comments. Disallow overriding
13 of inline functions in a translation unit in C99. Allow inline
14 declarations in C99 at any time.
15 (merge_decls): Boolize variables. Handle C99 'extern inline'
17 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
19 (start_function): Don't clear current_extern_inline. Don't set
21 (c_push_function_context): Don't push current_extern_inline.
22 (c_pop_function_context): Don't restore current_extern_inline.
25 * c-typeck.c (build_external_ref): Warn about static variables
26 used in extern inline functions.
27 * c-decl.c (start_decl): Warn about static variables declared
28 in extern inline functions.
30 2006-10-31 Roger Sayle <roger@eyesopen.com>
33 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
34 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
35 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
36 or y is an even integer.
38 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
41 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
42 * gthr-posix95.h (__gthread_active_p): Likewise.
44 2006-10-31 Richard Guenther <rguenther@suse.de>
46 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
47 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
48 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
49 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
50 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
51 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
52 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
53 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
56 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
58 * opts.c (decode_options): Disable CSE skip blocks.
60 2006-10-30 Dirk Mueller <dmueller@suse.de>
62 * c-common.h (strict_aliasing_warning): Fix whitespace.
63 * c-decl (start_function): Move code for main decl warning ..
64 * c-common.c (check_main_parameter_types): .. here.
65 * c-common.h (check_main_parameter_types): Declare.
67 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
70 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
72 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
74 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
75 be a PARALLEL containing sets. Return false when out_pat is not
78 2006-10-30 Richard Sandiford <richard@codesourcery.com>
80 * config/mips/mips.md (mul<mode>3): Split into...
81 (mulsi3, muldi3): ...these separate patterns.
83 2006-10-30 Richard Sandiford <richard@codesourcery.com>
85 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
86 but with each set of options separated by spaces.
88 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
90 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
91 dwarf_reg_size_table has been initialized.
93 2006-10-30 Roger Sayle <roger@eyesopen.com>
95 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
96 * ddg.c (print_ddg_edge): Likewise.
97 * dwarf2out.c (prune_unused_types_walk): Likewise.
98 * ifcvt.c (noce_try_cmove_arith): Likewise.
99 * langhooks.c (add_builtin_function): Likewise.
100 * reg-stack.c (subst_stack_regs_pat): Likewise.
101 * tree.c (expanded_location): Likewise.
102 * tree-dump.c (dequeue_and_dump): Likewise.
104 2006-10-30 David Daney <ddaney@avtrex.com>
106 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
108 2006-10-30 Jakub Jelinek <jakub@redhat.com>
110 PR tree-optimization/29637
111 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
112 of the innertype is the innertype itself.
114 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
116 * dwarf2out.c (file_name_acquire): Correct typo.
118 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
120 * tree.h (tree_value_handle): Remove struct value_set declaration.
121 Change value_set to bitmap_set.
122 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
123 * tree-vn.c (get_value_handle): Made inline and moved to
125 * tree-flow-inline.h: (has_stmt_ann): New function.
126 * tree-ssa-pre.c (expressions): New variable.
127 (next_expression_id): Ditto.
128 (alloc_expression_id): New function.
129 (struct value_set): Remove.
130 (get_expression_id): New function.
131 (get_or_alloc_expression_id): Ditto.
132 (expression_for_id): Ditto.
133 (clear_expression_ids): Ditto.
134 (FOR_EACH_EXPR_ID_IN_SET): New macro.
135 (bb_value_sets): Renamed to bb_bitmap_sets.
136 All value sets replaced with bitmap_sets.
138 (BB_VISITED): New macro.
139 (postorder): New variable.
140 (add_to_value): Removed.
141 (value_exists_in_set_bitmap): Ditto.
142 (value_insert_into_set_bitmap): Ditto.
146 (set_contains_value): Ditto.
147 (insert_into_set): Ditto.
149 (find_leader): Ditto.
150 (bitmap_set_subtract_from_value_set): Ditto.
151 (value_insert_into_set): Ditto.
152 (print_value_set): Ditto.
153 (debug_value_set): Ditto.
154 (constant_expr_p): New function.
155 (bitmap_remove_from_set): Ditto.
156 (bitmap_insert_into_set): Ditto.
157 (bitmap_set_free): Ditto.
159 (sorted_array_from_bitmap_set): Ditto.
160 (bitmap_set_subtract): Ditto.
161 (bitmap_set_equal): Ditto.
162 (debug_bitmap_set): Ditto.
163 (find_leader_in_sets): Ditto.
164 (bitmap_set_replace_value): Modify for bitmapped sets.
165 (phi_translate): Ditto.
166 (phi_translate_set): Ditto.
167 (bitmap_find_leader): Ditto.
168 (valid_in_sets): Ditto.
169 (union_contains_value): Ditto.
171 (compute_antic_aux): Ditto. Mark changed blocks.
172 (compute_antic): Ditto. Iterate in postorder and only over
174 (compute_rvuse_and_antic_safe): Reuse postorder.
175 (create_component_ref_by_pieces): Modify for bitmapped sets.
176 (find_or_generate_expression): Ditto.
177 (create_expression_by_pieces): Ditto.
178 (insert_into_preds_of_block): Ditto.
179 (changed_blocks): New variable.
180 (do_regular_insertion): Broken out from insert_aux.
181 (insert_aux): Modified for bitmapped sets.
182 (find_existing_value_expr): New function.
183 (create_value_expr_from): Use it.
184 (insert_extra_phis): Removed.
185 (print_bitmap_set): Renamed from bitmap_print_value_set.
186 (compute_avail): Handle RETURN_EXPR.
187 (init_pre): Modify for bitmapped sets.
188 * tree-flow.h (has_stmt_ann): New function.
190 2006-10-29 Roger Sayle <roger@eyesopen.com>
192 * builtins.c (fold_builtin_floor): Check for the availability of
193 the C99 trunc function before transforming floor into trunc.
195 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
197 * builtins.c (fold_builtin_hypot): Rearrange recursive
198 transformation before others, and also do ABS_EXPR. When
199 necessary, check flag_unsafe_math_optimizations. When necessary,
202 2006-10-29 Roger Sayle <roger@eyesopen.com>
204 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
205 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
206 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
207 Fold -X eq/ne -Y as X eq/ne Y.
209 2006-10-29 Richard Sandiford <richard@codesourcery.com>
211 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
212 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
213 rather than GENERATE_MULT3_SI in the various define_peephole2s.
214 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
215 Use an inclusive test for "mult" rather than "mul".
216 (rotr<mode>3): Depend on ISA_HAS_ROR.
217 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
219 (GENERATE_MULT3_DI): Delete.
220 (ISA_HAS_64BIT_REGS): Use consistent formatting.
221 (ISA_HAS_MUL3): New macro.
222 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
223 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
224 (ISA_HAS_CLZ_CLO): Likewise.
225 (ISA_HAS_DCLZ_DCLO): Delete.
226 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
227 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
228 the VR4120 and VR4130.
229 (ISA_HAS_MACCHI): Use consistent formatting.
230 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
231 (ISA_HAS_ROR): ...this new macro.
232 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
233 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
234 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
236 2006-10-29 Roger Sayle <roger@eyesopen.com>
238 PR tree-optimization/15458
239 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
242 2006-10-29 Richard Guenther <rguenther@suse.de>
244 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
245 (ix86_expand_truncdf_32): Likewise.
246 * config/i386/i386.c (ix86_expand_trunc): New function expanding
247 trunc inline for SSE math and -fno-trapping-math and if not
249 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
250 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
251 for expanding btrunc inline for SSE math.
253 2006-10-29 Joseph Myers <joseph@codesourcery.com>
255 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
256 Handle tuning for bi-arch i[34567]86-*-linux* like that for
257 i[34567]86-*-solaris2.1[0-9]*.
258 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
259 Define conditionally depending on TARGET_64BIT_DEFAULT.
260 (SPEC_32, SPEC_64): Define.
261 (LINK_SPEC): Use them.
262 * doc/install.texi (--enable-targets=all): Document for x86-linux.
264 2006-10-29 Richard Guenther <rguenther@suse.de>
266 * config/i386/i386-protos.h (ix86_expand_round): Declare.
267 (ix86_expand_rounddf_32): Likewise.
268 * config/i386/i386.c (ix86_expand_round): New function expanding
269 round inline for SSE math and -fno-trapping-math and if not
271 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
272 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
273 round via ix86_expand_round.
275 2006-10-29 Richard Guenther <rguenther@suse.de>
277 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
278 (ix86_expand_floorceildf_32): Likewise.
279 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
280 static helper function.
281 (ix86_expand_floorceil): Expander for floor and ceil to SSE
283 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
284 * config/i386/i386.md (floordf2): Adjust to enable floor
285 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
286 -fno-trapping-math is enabled and if not optimizing for size.
287 (floorsf2, ceildf2, ceilsf2): Likewise.
288 * config/i386/sse.md (sse_maskcmpsf3): New insn.
289 (sse2_maskcmpdf3): Likewise.
291 2006-10-29 Richard Guenther <rguenther@suse.de>
293 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
294 rint in case -fno-trapping-math is enabled.
295 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
296 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
297 (ix86_expand_sse_fabs): Likewise.
298 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
299 * config/i386/i386.md (rintdf2): Enable for SSE math if
300 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
303 2006-10-29 Richard Guenther <rguenther@suse.de>
305 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
306 to conversion optabs.
307 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
309 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
310 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
311 (lfloor_optab, lceil_optab): Adjust defines.
312 * builtins.c (expand_builtin_int_roundingfn): Adjust for
313 lfloor and lceil optabs now being conversion optabs.
314 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
315 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
316 New static helper function.
317 (ix86_expand_lfloorceil): New function to expand lfloor and
319 * config/i386/i386.md (lfloor<mode>2): Split into ...
320 (lfloorxf<mode>2): ... x87 variant
321 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
322 using ix86_expand_lfloorceil.
323 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
325 * doc/md.texi (lfloorMN, lceilMN): Document.
327 2006-10-29 Richard Sandiford <richard@codesourcery.com>
329 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
330 -mno-shared assembler option on mips targets.
331 * configure, config.in: Regenerate.
332 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
333 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
334 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
336 2006-10-29 Richard Sandiford <richard@codesourcery.com>
338 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
339 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
341 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
343 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
344 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
347 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
350 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
351 (fold_builtin_pow): Evaluate constant arguments at compile-time
353 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
354 (do_mpfr_ckconv): New helper function.
355 (do_mpfr_arg1): Use do_mpfr_ckconv.
358 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
361 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
362 (-fdump-rtl-sched): Rename to ..
363 (-fdump-rtl-sched1): here. Also fix file extension number.
365 2006-10-28 Richard Guenther <rguenther@suse.de>
367 * fold-const.c (maybe_canonicalize_comparison): Fix code
370 2006-10-28 Uros Bizjak <uros@kss-loka.si>
372 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
373 (NON_QI_REG_P): Use IN_RANGE.
374 (REX_INT_REGNO_P): Use IN_RANGE.
375 (FP_REGNO_P): Use IN_RANGE.
376 (SSE_REGNO_P): Use IN_RANGE.
377 (REX_SSE_REGNO_P): Use IN_RANGE.
378 (MMX_REGNO_P): Use IN_RANGE.
379 (STACK_REGNO_P): New macro.
380 (STACK_REG_P): Use STACK_REGNO_P.
381 (NON_STACK_REG_P): Use STACK_REGNO_P.
382 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
383 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
384 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
385 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
386 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
388 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
390 * except.h (output_function_exception_table): Add 'const char*' param.
391 * except.c (switch_to_exception_section): Add 'const char*' param.
392 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
393 and flag_function_sections is set, use a function-specific section.
394 (output_function_exception_table): Add 'const char*' param.
395 Adjust call to switch_to_exception_section.
396 * final.c (rest_of_handle_final): Adjust calls to
397 output_function_exception_table.
398 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
399 * config.in: Regenerate.
400 * configure: Likewise.
402 2006-10-28 Richard Guenther <rguenther@suse.de>
405 * fold-const.c (maybe_canonicalize_comparison_1): Helper
406 for maybe_canonicalize_comparison.
407 (maybe_canonicalize_comparison): New function for canonicalizing
409 (fold_comparison): Call it to canonicalize comparisons with
412 2006-10-28 Richard Guenther <rguenther@suse.de>
415 * builtins.c (expand_builtin_int_roundingfn_2): Expand
416 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
417 (expand_builtin): Adjust likewise.
418 * genopinit.c (optabs[]): Add lround optab.
419 * optabs.c (init_optabs): Initialize lround_optab.
420 * optabs.h (enum convert_optab_index): Add COI_lround.
421 (lround_optab): Define.
422 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
423 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
425 (ix86_expand_lround): New function.
426 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
428 * doc/md.texi (lroundMN2): Document.
430 2006-10-28 Uros Bizjak <uros@kss-loka.si>
433 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
434 argument to HOST_WIDE_INT. Update function prototype.
435 (round_frame_size): Change return type to HOST_WIDE_INT. Change
436 "size" argument to HOST_WIDE_INT. Update function prototype.
438 2006-10-28 Uros Bizjak <uros@kss-loka.si>
440 * config/i386/i386.c (output_387_ffreep): Create output from a
441 template string for !HAVE_AS_IX86_FFREEP.
443 2006-10-27 Eric Christopher <echristo@apple.com>
445 * config/darwin.c: Fix formatting and grammar.
447 2006-10-27 Jan Hubicka <jh@suse.cz>
449 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
450 to be thrown away soon when IGNORE is set.
451 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
452 indicating when return value shall not be computed.
453 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
455 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
457 * config/i386/i386.h (TARGET_GEODE):
458 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
459 (TARGET_CPU_DEFAULT_geode): New macro.
460 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
461 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
462 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
463 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
464 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
466 (TARGET_CPU_DEFAULT_NAMES): Add geode.
467 (processor_type): Add PROCESSOR_GEODE.
469 * config/i386/i386.md: Include geode.md.
472 * config/i386/i386.c (geode_cost): New initialized global
474 (m_GEODE, m_K6_GEODE): New macros.
475 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
476 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
477 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
478 x86_schedule): Use m_K6_GEODE instead of m_K6.
479 (x86_movx, x86_cmove): Set up m_GEODE.
480 (x86_integer_DFmode_moves): Clear m_GEODE.
481 (processor_target_table): Add entry for geode.
482 (processor_alias_table): Ditto.
484 * config/i386/geode.md: New file.
486 * doc/invoke.texi: Add entry about geode processor.
488 2006-10-27 Mike Stump <mrs@apple.com>
490 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
491 __DYNAMIC__ from here back to ...
492 * config/darwin.h (CPP_SPEC): ... here.
494 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
495 Nathan Sidwell <nathan@codesourcery.com>
497 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
498 when choosing the minimum heapsize.
500 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
502 * gcc/unwind-dw2.h: Move cfa-related variables into
503 struct frame_state_reg_info to ensure that the CFA is properly
504 handled when executing DW_CFA_{remember,restore}_state.
505 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
506 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
507 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
508 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
509 gcc/config/rs6000/linux-unwind.h,
510 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
511 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
512 Modify to use new cfa_* fields.
514 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
516 * config/s390/s390.c (s390_init_frame_layout): Check positive
519 2006-10-26 Ben Elliston <bje@au.ibm.com>
521 * gimplify.c (get_name): Remove extraneous break.
522 (gimplify_omp_for): Initialise ret with GS_OK.
524 2006-10-25 Steve Ellcey <sje@cup.hp.com>
526 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
527 Add unix98.o to link line.
529 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
532 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
533 Calculate compile-time constants using MPFR.
534 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
535 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
537 2006-10-25 Bob Wilson <bob.wilson@acm.org>
539 * config/xtensa/lib2funcs.S: Use C-style comments.
541 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
543 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
544 (file_table_relative_p): Likewise.
545 (dwarf2out_finish): Likewise.
546 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
548 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
550 * tree-ssa-structalias.c (intra_create_variable_infos):
551 Don't recreate nonlocal_all if it already exists.
553 2006-10-25 Richard Guenther <rguenther@suse.de>
556 * optabs.h (enum optab_index): Remove OTI_lrint.
557 (enum convert_optab_index): Add COI_lrint.
558 (lrint_optab): Adjust.
559 (expand_sfix_optab): Declare.
560 * optabs.c (expand_sfix_optab): New function.
561 (init_optabs): Init lrint_optab as conversion optab.
562 * genopinit.c (lrint_optab): Change to a conversion optab.
563 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
564 expansion via conversion optab.
565 * config/i386/i386.md (*fistdi2_1): Remove
566 flag_unsafe_math_optimizations guard.
567 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
568 fist<mode>2_with_temp): Likewise.
569 (lrint<mode>2): Split into...
570 (lrintxf<mode>2): ... x87 part
571 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
572 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
573 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
574 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
575 * doc/md.texi (lrintMN2): Document.
577 2006-10-25 Uros Bizjak <uros@kss-loka.si>
580 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
581 Use inc and dec instructions for TARGET_USE_INCDEC.
582 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
583 ("sync_double_compare_and_swap<mode>"): Likewise.
584 ("*sync_double_compare_and_swapdi_pic"): Likewise.
585 ("*sync_compare_and_swap_cc<mode>"): Likewise.
586 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
587 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
588 ("sync_old_add<mode>"): Likewise.
589 ("sync_lock_test_and_set<mode>"): Likewise.
590 ("sync_lock_test_and_set<mode>"): Likewise.
591 ("sync_add<mode>"): Likewise.
592 ("sync_sub<mode>"): Likewise.
593 ("sync_ior<mode>"): Likewise.
594 ("sync_and<mode>"): Likewise.
595 ("sync_xor<mode>"): Likewise.
597 2006-10-25 Uros Bizjak <uros@kss-loka.si>
599 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
600 (remainder_optab): Define corresponding macro.
601 (drem_optab): Remove.
602 * optabs.c (init_optabs): Initialize remainder_optab. Remove
603 drem_optab initialization.
604 * genopinit.c (optabs): Implement remainder_optab using
605 remainder?f3 patterns. Remove drem_optab.
606 * builtins.c (expand_builtin_mathfn_2): Handle
607 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
608 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
609 expand_builtin_mathfn_2.
611 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
612 depend on flag_unsafe_math_optimizations.
614 * config/i386/i386.md ("remaindersf3", "remainderdf3")
615 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
616 Do not depend on flag_unsafe_math_optimizations. Use
617 truncxf?f expander instead of truncxf?f_i387_noop.
619 ("fpremxf4", "fprem1xf4"): Do not depend on
620 flag_unsafe_math_optimizations.
621 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
622 flag_unsafe_math_optimizations. Use truncxf?f expander
623 instead of truncxf?f_i387_noop.
625 * doc/md.texi (fmod, remainder): Document standard named pattern.
627 2006-10-24 Richard Sandiford <richard@codesourcery.com>
628 David Daney <ddaney@avtrex.com>
631 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
633 2006-10-25 Ben Elliston <bje@au.ibm.com>
635 * doc/extend.texi (Variable Attributes): Typo fix.
637 2006-10-24 Uros Bizjak <uros@kss-loka.si>
639 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
640 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
641 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
642 (FRAME_POINTER_REGNUM): Update register number to 21.
643 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
644 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
646 * config/i386/i386.c (regclass_map): Add fpcr entry.
647 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
649 (print_reg): Assert REGNO (x) != FPCR_REG.
651 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
652 (DIRFLAG_REG): Renumber.
653 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
654 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
655 (sse_prologue_save, *sse_prologue_save_insn): Renumber
656 hardcoded SSE register numbers.
658 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
659 hardcoded MMX register numbers.
661 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
664 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
665 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
667 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
668 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
669 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
670 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
672 2006-10-24 Richard Guenther <rguenther@suse.de>
675 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
676 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
677 for deciding optimizations in consistency with fold-const.c
678 (fold_builtin_unordered_cmp): Likewise.
680 2006-10-24 Richard Guenther <rguenther@suse.de>
682 * builtins.c (fold_builtin_floor): Fold floor (x) where
683 x is nonnegative to trunc (x).
684 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
685 nonnegative to FIX_TRUNC_EXPR.
687 2006-10-24 Richard Guenther <rguenther@suse.de>
689 PR tree-optimization/29567
690 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
691 for TRUTH_NOT_EXPR. Clarify comments.
693 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
696 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
697 at compile-time using MPFR. Change parameter VALUE to FUNC,
699 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
700 for overflow and underflow at all times and avoid folding in
703 2006-10-24 Ben Elliston <bje@au.ibm.com>
705 * reload1.c: Formatting fixes.
707 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
709 PR tree-optimization/14784
710 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
711 * tree-ssa-structalias.c (get_constraint_for,
712 intra_create_variable_infos): Set is_heapvar.
713 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
714 non-heapvar pointer variables specially.
716 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
719 * builtins.c (fold_builtin_sin, fold_builtin_cos,
720 fold_builtin_tan): Fold all constant arguments. Take a "type"
721 argument as necessary.
723 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
725 2006-10-23 Bob Wilson <bob.wilson@acm.org>
727 * config/xtensa/lib1funcs.asm: Use C-style comments.
729 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
731 * tree.c (local_define_builtin): Replace calls to
732 lang_hooks.builtin_function with add_builtin_function.
733 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
735 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
737 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
738 common code to add_builtin_function.
739 * langhooks.c (add_builtin_function): New function.
740 (lhd_builtin_function): New function.
741 * langhooks.h (struct lang_hooks): Change the signature of
743 (add_builtin_function): New function.
744 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
745 calls to lang_hooks.builtin_function with add_builtin_function.
746 * c-common.c (decl_builtin_1): Replace calls to
747 lang_hooks.builtin_function with add_builtin_function.
748 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
749 lang_hooks.builtin_function with add_builtin_function.
750 * config/frv/frv.c (def_builtin): Replace calls to
751 lang_hooks.builtin_function with add_builtin_function.
752 * config/s390/s390.c (s390_init_builtins): Replace calls to
753 lang_hooks.builtin_function with add_builtin_function.
754 * config/sparc/sparc.c (def_builtin): Replace calls to
755 lang_hooks.builtin_function with add_builtin_function.
756 * config/i386/i386.c (def_builtin): Replace calls to
757 lang_hooks.builtin_function with add_builtin_function.
758 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
759 lang_hooks.builtin_function with add_builtin_function.
760 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
761 lang_hooks.builtin_function with add_builtin_function.
762 * config/stormy16/stormy16.c (xstormy16_init_builtins):
763 Replace calls to lang_hooks.builtin_function with
764 add_builtin_function.
765 * config/iq2000/iq2000.c (def_builtin):
766 Replace calls to lang_hooks.builtin_function with
767 add_builtin_function.
768 * config/ia64/ia64.c (def_builtin): Replace calls to
769 lang_hooks.builtin_function with add_builtin_function.
770 * config/rs6000/rs6000.c (def_builtin): Replace calls to
771 lang_hooks.builtin_function with add_builtin_function.
772 (altivec_init_builtins): Replace calls to
773 lang_hooks.builtin_function with add_builtin_function.
774 * config/arm/arm.c (def_mbuiltin): Replace calls to
775 lang_hooks.builtin_function with add_builtin_function.
776 (arm_init_tls_builtins): Replace calls to
777 lang_hooks.builtin_function with add_builtin_function.
778 * config/mips/mips.c (mips_init_builtins): Replace calls to
779 lang_hooks.builtin_function with add_builtin_function.
780 * config/bfin/bfin.c (def_builtin): Replace calls to
781 lang_hooks.builtin_function with add_builtin_function.
782 * langhooks-def.h (lhd_builtin_function): New function.
783 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
785 2006-10-23 Jakub Jelinek <jakub@redhat.com>
787 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
788 BUILT_IN_STRNCAT_CHK.
790 2006-10-23 Jan Hubicka <jh@suse.cz>
792 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
793 don't do conversion from memmove to memcpy here.
794 (expand_builtin_bcopy, expand_builtin): Update call of
795 expand_builtin_memmove.
796 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
798 2006-10-23 Paul Brook <paul@codesourcery.com>
800 * stor-layout.c (start_record_layout): maximum_field_alignment
801 overrides STRUCTURE_SIZE_BOUNDARY.
803 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
805 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
806 nonlocal function symbols if flag_pic.
808 2006-10-23 Richard Guenther <rguenther@suse.de>
812 * builtins.c (fold_binary): Remove checks for flag_wrapv
813 and flag_trapv where negate_expr_p covers these cases.
815 2006-10-23 Richard Guenther <rguenther@suse.de>
818 * fold-const.c (fold_plusminus_mult_expr): Check exact power
819 of two on the absolute value.
820 (fold_binary): Fold x * -C to -x * C if x is easily negatable
821 and negating -C does not overflow.
823 2006-10-23 Richard Guenther <rguenther@suse.de>
826 * convert.c (convert_to_real): Fold (float)-x to -(float)x
827 only if not flag_rounding_math.
829 2006-10-22 Richard Sandiford <richard@codesourcery.com>
830 Kaz Kojima <kkojima@gcc.gnu.org>
833 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
834 SImode memory reference for the source of a movua.
835 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
836 (movua): Use an unspec instead of sign_extract. Expect the source
837 to have mode BLKmode.
838 (extv, insv): Use a BLKmode rather than SImode memory reference
839 for the source of a movua.
841 2006-10-22 Jeff Law <law@redhat.com>
842 Richard Guenther <rguenther@suse.de>
844 PR tree-optimization/15911
845 * tree-vrp.c (extract_code_and_val_from_cond): New function.
846 (register_edge_assert_for_1): Likewise.
847 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
848 (find_conditional_asserts): Adjust for new function signature.
849 (find_assert_locations): Likewise.
851 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
853 * config/i386/tmmintrin.h: Remove the duplicated content.
855 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
857 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
858 (x86_64-*-*): Likewise.
860 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
861 (override_options): Check SSSE3.
862 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
863 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
864 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
865 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
866 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
867 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
868 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
869 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
870 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
871 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
872 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
873 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
874 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
875 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
876 IX86_BUILTIN_PABSD128.
877 (bdesc_2arg): Add SSSE3.
878 (bdesc_1arg): Likewise.
879 (ix86_init_mmx_sse_builtins): Support SSSE3.
880 (ix86_expand_builtin): Likewise.
881 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
883 * config/i386/i386.md (UNSPEC_PSHUFB): New.
884 (UNSPEC_PSIGN): Likewise.
885 (UNSPEC_PALIGNR): Likewise.
886 Include mmx.md before sse.md.
888 * config/i386/i386.opt: Add -mssse3.
890 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
891 (ssse3_phaddwv4hi3): Likewise.
892 (ssse3_phadddv4si3): Likewise.
893 (ssse3_phadddv2si3): Likewise.
894 (ssse3_phaddswv8hi3): Likewise.
895 (ssse3_phaddswv4hi3): Likewise.
896 (ssse3_phsubwv8hi3): Likewise.
897 (ssse3_phsubwv4hi3): Likewise.
898 (ssse3_phsubdv4si3): Likewise.
899 (ssse3_phsubdv2si3): Likewise.
900 (ssse3_phsubswv8hi3): Likewise.
901 (ssse3_phsubswv4hi3): Likewise.
902 (ssse3_pmaddubswv8hi3): Likewise.
903 (ssse3_pmaddubswv4hi3): Likewise.
904 (ssse3_pmulhrswv8hi3): Likewise.
905 (ssse3_pmulhrswv4hi3): Likewise.
906 (ssse3_pshufbv16qi3): Likewise.
907 (ssse3_pshufbv8qi3): Likewise.
908 (ssse3_psign<mode>3): Likewise.
909 (ssse3_psign<mode>3): Likewise.
910 (ssse3_palignrti): Likewise.
911 (ssse3_palignrdi): Likewise.
912 (abs<mode>2): Likewise.
913 (abs<mode>2): Likewise.
915 * config/i386/tmmintrin.h: New file.
917 * doc/extend.texi: Document SSSE3 built-in functions.
919 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
921 2006-10-22 Ira Rosen <irar@il.ibm.com>
923 * tree-vect-transform.c (vectorizable_load): Use the type of the
924 return value of the mask_for_load builtin to create realign_load
927 2006-10-22 Richard Sandiford <richard@codesourcery.com>
929 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
932 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
934 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
935 (UNSPEC_LDDQU): This.
936 * config/i386/sse.md (sse3_lddqu): Updated.
938 2006-10-21 Richard Guenther <rguenther@suse.de>
940 * builtins.c (expand_builtin_int_roundingfn_2): New function.
941 (expand_builtin): Use it to expand lrint instead of
942 expand_builtin_mathfn.
944 2006-10-21 Uros Bizjak <uros@kss-loka.si>
947 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
948 flag_unsafe_math_optimizations is set.
950 2006-10-21 Uros Bizjak <uros@kss-loka.si>
953 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
954 patterns to use memory input operand in x87->mem->XMM
955 reload sequences. Skip transformation for TARGET_K8.
957 2006-10-21 Uros Bizjak <uros@kss-loka.si>
959 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
960 force operand1 to register if both operands are memory operands.
961 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
962 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
963 if both operands are memory operands.
964 (truncdfsf2): Do not force operand1 to register if both operands
967 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
969 * Makefile.in (LIBS): Add $(GMPLIBS).
970 * doc/install.texi: Update GMP and MPFR requirements.
971 * doc/sourcebuild.texi (need_gmp): Delete.
973 2006-10-21 Richard Guenther <rguenther@suse.de>
975 PR tree-optimization/3511
976 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
977 got new invariant arguments during PHI translation.
979 2006-10-21 Richard Guenther <rguenther@suse.de>
982 * fold-const.c (fold_comparison): Fold signed comparisons
983 of the form X +- C1 CMP Y +- C2.
985 2006-10-21 Richard Guenther <rguenther@suse.de>
988 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
989 if flag_unsafe_math_optimizations is specified. We have
990 flag_finite_math_only for that.
991 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
992 or flag_unsafe_math_optimizations.
994 2006-10-21 Richard Guenther <rguenther@suse.de>
996 * builtins.c (fold_builtin_classify): Fix typo.
998 2006-10-21 Richard Guenther <rguenther@suse.de>
1001 * simplify-rtx.c (simplify_const_relational_operation):
1002 Do not constant-fold ORDERED and UNORDERED for
1003 flag_unsafe_math_optimizations but only we do not need to
1004 honor NaNs for the given mode.
1006 2006-10-21 Richard Guenther <rguenther@suse.de>
1009 * config/i386/i386.c (classify_argument): Remove redundant
1010 walking of the BINFOs.
1011 (contains_128bit_aligned_vector_p): Likewise.
1013 2006-10-20 Mark Mitchell <mark@codesourcery.com>
1015 * BASE-VER: Set to 4.3.0.
1017 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
1019 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1020 (tree_decl_with_vis): Remove artificial_pta_var flag.
1021 * tree-flow.h (referenced_var_check_and_insert): Expose.
1022 (nonlocal_all): New prototype.
1023 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1024 (nonlocal_all): Make global.
1025 (nonlocal_lookup): Remove.
1026 (nonlocal_insert): Ditto.
1027 (create_nonlocal_var): Do not call nonlocal_insert.
1028 (get_nonlocal_id_for_type): Remove.
1029 (find_global_initializers): Mark new vars we find for renaming.
1030 (intra_create_variable_infos): Only create one nonlocal.
1031 (expand_nonlocal_solutions): Remove.
1032 (compute_points_to_sets): Don't call it.
1033 (ipa_pta_execute): Ditto.
1034 (init_alias_heapvars): Don't create nonlocal_for_type.
1035 (delete_alias_heapvars): Don't remove it.
1036 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1039 2006-10-19 Brooks Moses <bmoses@stanford.edu>
1041 * doc/install.texi (Downloading GCC): Clarify mention of
1042 Fortran in the "full distribution" description.
1044 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
1046 Fix PR tree-optimization/28778
1047 Fix PR tree-optimization/29156
1048 Fix PR tree-optimization/29415
1049 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1050 (tree_decl_with_vis): Add artificial_pta_var flag.
1051 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1052 pushed into callers.
1053 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1054 (nonlocal_all): Ditto.
1055 (struct variable_info): Add directly_dereferenced member.
1056 (var_escaped_vars): New variable.
1057 (escaped_vars_tree): Ditto.
1058 (escaped_vars_id): Ditto.
1059 (nonlocal_vars_id): Ditto.
1060 (new_var_info): Set directly_dereferenced.
1061 (graph_size): New variable
1062 (build_constraint_graph): Use graph_size.
1063 (solve_graph): Don't process constraints that cannot change the
1064 solution, don't try to propagate an empty solution to our
1066 (process_constraint): Set directly_dereferenced.
1067 (could_have_pointers): New function.
1068 (get_constraint_for_component_ref): Don't process STRING_CST.
1069 (nonlocal_lookup): New function.
1070 (nonlocal_insert): Ditto.
1071 (create_nonlocal_var): Ditto.
1072 (get_nonlocal_id_for_type): Ditto.
1073 (get_constraint_for): Allow results vector to be empty in the case
1074 of string constants.
1075 Handle results of calls properly.
1076 (update_alias_info): Update alias info stats on number and type of
1078 (find_func_aliases): Use could_have_pointers.
1079 (make_constraint_from_escaped): Renamed from
1080 make_constraint_to_anything, and changed to make constraints from
1082 (make_constraint_to_escaped): New function.
1083 (find_global_initializers): Ditto.
1084 (create_variable_info_for): Make constraint from escaped to any
1085 global variable, and from any global variable to the set of
1087 (intra_create_variable_infos): Deal with escaped instead of
1088 pointing to anything.
1089 (set_uids_in_ptset): Do type pruning on directly dereferenced
1091 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1092 (init_base_vars): Fix comment, and initialize escaped_vars.
1093 (need_to_solve): Removed.
1094 (find_escape_constraints): New function.
1095 (expand_nonlocal_solutions): Ditto.
1096 (compute_points_to_sets): Call find_escape_constraints and
1097 expand_nonlocal_solutions.
1098 (delete_points_to_sets): Don't fall off the end of the graph.
1099 (init_alias_heapvars): Initialize nonlocal_for_type and
1101 (delete_alias_heapvars): Free nonlocal_for_type and null out
1104 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1106 * fold-const.c (add_double): Rename to add_double_with_sign.
1107 Add 'unsigned_p' parameter and take it into account for the overflow.
1108 (mul_double): Rename to mul_double_with_sign.
1109 Add 'unsigned_p' parameter and take it into account for the overflow.
1110 (fold_div_compare): Call add_double_with_sign instead of add_double
1111 and mul_double_with_sign instead of mul_double, passing them the
1112 unsignedness of the type.
1113 * tree.h (add_double): Macroize.
1114 (add_double_with_sign): New prototype.
1115 (mul_double): Macroize.
1116 (mul_double_with_sign): New prototype.
1118 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1120 * config/score/crti.asm: New file.
1121 * config/score/crtn.asm: New file.
1122 * config/score/elf.h: New file.
1123 * config/score/mac.md: New file.
1124 * config/score/misc.md: New file.
1125 * config/score/mul-div.S: New file.
1126 * config/score/predicates.md: New file.
1127 * config/score/score7.md: New file.
1128 * config/score/score.c: New file.
1129 * config/score/score-conv.h: New file.
1130 * config/score/score.h: New file.
1131 * config/score/score.md: New file.
1132 * config/score/score-mdaux.c: New file.
1133 * config/score/score-mdaux.h: New file.
1134 * config/score/score-modes.def: New file.
1135 * config/score/score.opt: New file.
1136 * config/score/score-protos.h: New file.
1137 * config/score/score-version.h: New file.
1138 * config/score/t-score-elf: New file.
1139 * config.gcc: Add score*-*-* configurations(Update before).
1140 * doc/invoke.texi (Score Options): New section.
1141 * doc/md.texi (Score family): New section to document constraints.
1143 2006-10-19 Nick Clifton <nickc@redhat.com>
1145 * config/arm/arm.c: Fix spelling typo.
1147 2006-10-18 Tom Tromey <tromey@redhat.com>
1149 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1151 2006-10-18 Jan Hubicka <jh@suse.cz>
1154 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1157 2006-10-18 Marcin Dalecki <martin@dalecki.de>
1159 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1160 TSI_SAME_STMT, since that's the desired entity.
1162 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
1164 * config/s390/contraints.md: New file.
1165 * config/s390/s390-protos.h (s390_mem_constraint,
1166 s390_O_constraint_str, s390_N_constraint_str,
1167 s390_float_const_zero_p): Function prototypes added.
1168 * config/s390/s390.c (s390_extra_constraint_str,
1169 s390_const_double_ok_for_constraint_p,
1170 s390_const_ok_for_constraint_p): Functions removed.
1171 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1172 s390_float_const_zero_p): New functions.
1173 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1174 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1175 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1176 Macro definitions removed.
1177 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1178 s390_extra_constraint_str): Functions removed.
1180 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
1181 Richard Sandiford <richard@codesourcery.com>
1184 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1185 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1187 2006-10-16 Geoffrey Keating <geoffk@apple.com>
1189 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1190 (DWARF2_FRAME_REG_OUT): Likewise.
1191 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1192 (DWARF2_FRAME_REG_OUT): Likewise.
1194 2006-10-17 Paul Brook <paul@codesourcery.com>
1196 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1198 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1200 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1201 Standardize on "GNU Fortran" as the official name of the Fortran
1204 2006-10-16 Mike Stump <mrs@apple.com>
1206 * doc/invoke.texi (Darwin Options): Document -mkernel.
1207 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1209 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1210 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1211 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1212 (OS_MISSING_ALTIVEC): Add.
1213 * config/i386/i386.c (override_options): Add
1214 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1215 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1216 -mkernel, -static or -mdynamic-no-pic is given.
1217 (C_COMMON_OVERRIDE_OPTIONS): Add.
1218 * config/darwin.opt (fapple-kext): Add.
1220 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1221 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1223 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1224 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1225 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1226 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1227 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1228 (flag_mkernel): Add.
1229 (flag_apple_kext): Add.
1230 (TARGET_KEXTABI): Add.
1231 * config/darwin.c (darwin_handle_kext_attribute): Add.
1232 (DARWIN_VTABLE_P): Add.
1233 (darwin_binds_local_p): Add partial support for rebinding vtables
1235 (darwin_kextabi_p): Add.
1236 (darwin_override_options): Add.
1237 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1238 (darwin_kextabi_p): Add.
1239 (darwin_override_options): Add.
1240 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1241 __DYNAMIC__ and __STATIC__ here.
1243 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1245 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1246 Added mention of "make pdf" target, and Texinfo requirements for
1249 2006-10-16 DJ Delorie <dj@redhat.com>
1251 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1252 into the GOT in case we need a subreg of the address.
1254 2006-10-16 Richard Guenther <rguenther@suse.de>
1257 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1258 SSE builtin documentation. Document SSE2 builtins.
1260 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1262 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1263 symbol in the output file for non-shared links when -nostdlib or
1264 -nodefaultlibs isn't specified.
1266 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1267 posix thread support.
1269 2006-10-15 Jan Hubicka <jh@suse.cz>
1272 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1273 declared always_inline even when not inlining.
1275 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1276 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1277 Andrew Pinski <pinskia@gmail.com>
1280 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1282 2006-10-15 Jan Hubicka <jh@suse.cz>
1283 Richard Guenther <rguenther@suse.de>
1286 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1287 process_function_and_variable_attributes on all variables, including
1288 those discovered during cgraph construction phase.
1290 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1292 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1294 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1296 * config/i386/athlon.md (athlon_fist): Add fisttp.
1298 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1299 Ian Lance Taylor <ian@airs.com>
1302 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1303 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1306 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1308 * config/score/score.c, config/score/score.h: Fix comment
1311 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1314 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1317 2006-10-13 Eric Christopher <echristo@apple.com>
1319 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1321 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1324 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1325 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1326 alignment supported by 32-bit ELF.
1328 2006-10-13 Eric Christopher <echristo@apple.com>
1330 * config/darwin.c (darwin_emit_unwind_label): Strip
1331 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1333 2006-10-13 Richard Guenther <rguenther@suse.de>
1335 PR tree-optimization/29446
1336 * tree-vrp.c (fix_equivalence_set): Remove.
1337 (extract_range_from_assert): Do not call fix_equivalence_set.
1338 (debug_value_range): Print a newline.
1339 (compare_name_with_value): For equivalence sets with
1340 inconsistent value ranges conservatively bail out.
1341 (compare_names): Likewise.
1343 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1345 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1346 and MPFR for gfortran.
1348 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1350 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1351 alignment supported by 32-bit ELF.
1353 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1357 * c-typeck.c (digest_init): Always allow initializing vectors
1358 that have static storage duration with compound literals.
1359 * tree.c (build_type_attribute_qual_variant): New, based on
1360 build_type_attribute_variant.
1361 (build_type_attribute_variant): Rewrite using the former.
1362 (make_vector_type): Use build_type_attribute_qual_variant to build
1363 type variants. Use type_hash_canon on the others.
1365 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1366 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1368 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1370 2006-10-12 Jan Hubicka <jh@suse.cz>
1373 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1374 current_function_decl is set but current_function_scope is not.
1376 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1378 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1379 emit_insn to emit eh_return_internal instruction.
1380 (eh_return_internal): Explicitly set pc.
1382 2006-10-11 Richard Guenther <rguenther@suse.de>
1384 PR tree-optimization/28230
1385 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1386 to the correct place.
1388 2006-10-11 Richard Guenther <rguenther@suse.de>
1391 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1394 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1396 * configure.ac: Added pdf to "Make-hooks"
1397 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1398 targets and *.pdf file patterns in cleanup targets.
1399 * configure: Regenerated.
1401 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1403 * config/avr/predicates.md: New file.
1404 * config/avr/avr.md: Include it.
1405 (REG_SP): New constant.
1406 (peepholes): Use predicates.
1407 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1408 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1409 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1411 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1413 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1416 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1419 * builtins.c (var_decl_component_p): New function.
1420 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1421 single entry optimization to variables and components thereof.
1423 2006-10-10 Richard Guenther <rguenther@suse.de>
1425 PR rtl-optimization/29323
1426 * except.c (set_nothrow_function_flags): For functions
1427 that do not bind local bail out early.
1429 2006-10-10 Ben Elliston <bje@au.ibm.com>
1431 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1434 2006-10-09 Richard Henderson <rth@redhat.com>
1436 Revert emutls patch.
1438 2006-10-09 Richard Guenther <rguenther@suse.de>
1441 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1444 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1447 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1448 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1449 * configure: Regenerate.
1450 * config.in: Regenerate.
1452 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1454 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1456 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1458 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1459 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1460 Remove stray newline.
1462 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1464 * config/mips/mips.c (mips_classify_symbol): Do not return
1465 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1466 (mips_in_small_data_p): Tweak comments.
1468 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1470 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1472 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1474 * gimplify.c, sched-int.h: Fix comment typos.
1476 * sched-int.h: Fix comment typos.
1478 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1480 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1482 * sched-ebb.c (begin_schedule_ready): Use them.
1483 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1484 add_to_speculative_block, create_check_block_twin, speculate_insn,
1485 fix_jump_move, move_block_after_check): Ditto.
1486 * sched-rgn.c (new_ready): Ditto.
1488 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1490 PR rtl-optimization/29128
1491 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1492 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1493 allow interblock movement of speculation checks.
1495 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1498 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1499 casted to integer type.
1500 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1501 if they are significantly more expensive than [reg + index] ones.
1503 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1505 PR tree-optimization/29330
1506 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1507 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1508 on newly allocated ddrs.
1509 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1510 to VEC (loop_p, heap) pointer.
1511 (compute_data_dependences_for_loop): Adjust caller.
1512 (free_dependence_relations): Free DDR_LOOP_NEST.
1514 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1515 free DEPENDENCE_RELATIONS and DATAREFS.
1518 * builtins.c (expand_builtin_sync_operation,
1519 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1520 Use convert_to_mode to handle promoted arguments.
1522 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1524 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1526 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1528 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1530 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1532 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1533 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1534 Use <modeconstraint> instead of "r" as operand 1 constraint.
1536 2006-10-06 Olivier Hainque <hainque@adacore.com>
1538 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1539 Don't recurse on the pointed-to type.
1540 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1541 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1542 types with components of variable size.
1544 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1546 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1548 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1550 PR tree-optimization/29290
1551 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1555 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1556 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1559 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1560 the number of vector elements fill the rest with zeros.
1562 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1564 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1565 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1568 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1570 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1571 unnamed pattern into subsi3. Use correct constraints/predicates.
1572 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1573 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1575 2006-10-05 Ira Rosen <irar@il.ibm.com>
1577 * doc/loop.texi: Add data references analysis description.
1579 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1581 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1583 2006-10-04 Richard Henderson <rth@redhat.com>
1584 Jakub Jelinek <jakub@redhat.com>
1586 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1587 * builtin-types.def (BT_WORD): Make unsigned.
1588 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1589 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1590 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1591 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1592 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1593 * cgraph.c (decide_is_variable_needed): Look at force_output.
1594 Recurse for emulated tls.
1595 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1596 checks redundant with decide_is_variable_needed.
1597 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1598 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1600 * expr.c (emutls_var_address): New.
1601 (expand_expr_real_1): Expand emulated tls.
1602 (expand_expr_addr_expr_1): Likewise.
1603 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1604 * output.h (emutls_finish): Declare.
1605 * toplev.c (compile_file): Call it.
1606 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1607 address before wrapping in CONST.
1608 * varasm.c (emutls_htab, emutls_object_type): New.
1609 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1610 (get_emutls_object_name, get_emutls_object_type): New.
1611 (get_emutls_init_templ_addr, emutls_decl): New.
1612 (emutls_common_1, emutls_finish): New.
1613 (assemble_variable): When emulating tls, swap decls; generate
1614 constructor for the emutls objects.
1615 (do_assemble_alias): When emulating tls, swap decl and target name.
1616 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1618 * emutls.c: New file.
1619 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1620 tls_object for real tls.
1622 2006-10-04 Zack Weinberg <zackw@panix.com>
1624 Fix bug in constraint-check generator, reported by Rask Ingemann
1626 * genpreds.c (add_constraint): Don't remove anything from the
1628 (write_tm_constrs_h): Detect whether "op" argument is used, and
1629 mark it ARG_UNUSED if it isn't.
1630 (write_insn_const_int_ok_for_constraint): Skip the part of the
1631 expression that would test whether "op" (which is not available
1632 here) is a CONST_INT.
1634 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1637 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1639 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1641 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1642 current Leopard versions.
1643 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1645 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1647 * doc/install.texi: Fix typos.
1649 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1651 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1652 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1653 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1655 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1657 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1658 arg to be struct mach_header_64* instead.
1660 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1663 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1664 side effects after the outer expression's post side effects.
1666 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1668 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1669 comments to reflect actual behavior and relationship between
1670 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1672 * doc/c-tree.texi (Working with declarations): Fix documentation
1673 of FIELD_DECL likewise.
1675 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1678 * doc/extend.texi: Add used variable attribute description.
1680 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1683 * c.opt (Woverride-init): New.
1684 * c-opts.c (c_common_post_options): Default warn_override_init to
1686 * c-typeck.c (add_pending_init, output_init_element): Warn for
1687 overriding initializers without side effects.
1688 * doc/invoke.texi (-Woverride-init): Document.
1691 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1693 PR rtl-optimization/28096
1694 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1695 assignment has already been used as a destination earlier in the block.
1697 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1699 * builtins.c (expand_builtin_setjmp): Delete.
1700 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1701 <BUILT_IN_SETJMP_SETUP>: New case.
1702 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1703 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1704 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1705 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1706 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1707 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1708 (lower_function_body): Initialize it to false. If it is set to true
1709 at the end of the processing, emit the setjmp dispatcher.
1710 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1711 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1712 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1713 on the rhs of the assignment.
1714 (lower_builtin_setjmp): New function.
1715 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1716 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1717 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1718 to detect calls that can go to non-local labels. Use specific
1719 helper to create the abnormal edges associated with them.
1720 <MODIFY_EXPR>: Likewise.
1721 (make_abnormal_goto_edges): New function extracted from...
1722 (make_goto_expr_edges): ...here. Call it for computed gotos.
1723 (simple_goto_p): Minor tweak.
1724 (tree_can_make_abnormal_goto): New predicate.
1725 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1726 (tree_purge_dead_abnormal_call_edges): New function.
1727 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1728 (tree_purge_dead_abnormal_call_edges): Likewise.
1729 (make_abnormal_goto_edges): Likewise.
1730 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1731 Purge all dead abnormal edges if the call was in the last statement.
1732 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1733 (execute_fixup_cfg): If there are non-local labels in the function,
1734 scan the basic blocks and split them at calls that can go to non-local
1735 labels or add missing abnormal call edges. Write down the CFG in the
1737 (pass_fixup_cfg): Remove TODO_dump_func flag.
1738 * unwind-sjlj.c: Poison setjmp.
1739 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1740 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1741 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1742 (DONT_USE_BUILTIN_SETJMP): Document it.
1744 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1747 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1748 to 1 when __ppc64__ is defined.
1749 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1751 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1753 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1755 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1756 * config/ia64/unwind-hpux.c: Delete.
1758 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1760 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1761 on the element before gimplifying it, instead of punting if it is of
1764 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1766 * doc/loop.texi: New file.
1767 * doc/gccint.texi: Reference loop.texi.
1768 * Makefile.in (loop.texi): Add.
1770 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1772 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1774 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1775 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1777 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
1779 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
1781 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
1783 * doc/install.texi: Document required versions of GMP and MPFR.
1785 2006-09-27 Paul Brook <paul@codesourcery.com>
1788 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
1790 2006-09-27 Richard Sandiford <richard@codesourcery.com>
1792 * reload1.c (alter_reg): Require the alignment of the stack slot to
1793 be at least reg_max_ref_width bytes.
1794 (scan_paradoxical_subregs): Record the largest width in
1797 2006-09-26 Jakub Jelinek <jakub@redhat.com>
1801 * tree-nested.c (struct nesting_info): Added static_chain_added.
1802 (convert_call_expr): Set static_chain_added when adding static
1803 chain. Handle OMP_PARALLEL and OMP_SECTION.
1805 2006-09-25 Matthias Klose <doko@debian.org>
1807 * doc/invoke.texi: Add missing full stop.
1809 2006-09-25 Richard Henderson <rth@redhat.com>
1811 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1812 before cgraph_function_flags_ready.
1814 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1815 Adam Nemet <anemet@caviumnetworks.com>
1817 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1818 determine_common_wider_type): New functions.
1819 (get_computation_aff): Use them to simplify arithmetic between
1820 UBASE and CBASE if they are shortened from the same type.
1822 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1825 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1826 -2147483647 - 1 instead of 0x80000000.
1828 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1830 * flags.h (HONOR_NANS): Fix typo in comment.
1832 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1834 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1836 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1840 * tree.c (merge_attributes, attribute_list_contained): If both
1841 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1843 * c-typeck.c (comptypes_internal): Don't consider aggregates
1844 in different TUs as compatible if there one set of attributes is
1845 not a subset of the other type's attributes.
1846 (composite_type): Try harder not to create a new aggregate type.
1848 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1850 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1851 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1852 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
1853 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1854 than replicating condition above.
1855 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1857 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1858 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
1859 the linker by default.
1861 2006-09-22 Mike Stump <mrs@apple.com>
1863 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
1866 2006-09-22 Richard Guenther <rguenther@suse.de>
1869 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
1870 sort of stack variables stable.
1872 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
1875 * explow.c (force_reg): Set REG_POINTER flag according to
1878 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
1880 PR tree-optimization/28888
1881 * tree-if-conv.c (combine_blocks): Rewritten.
1882 * tree-cfg.c (tree_verify_flow_info): Check that edges with
1883 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
1885 2006-09-22 Jakub Jelinek <jakub@redhat.com>
1887 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
1890 2006-09-21 Richard Sandiford <richard@codesourcery.com>
1892 * varasm.c (copy_constant): Fix reversed gcc_assert check.
1894 2006-09-21 Janis Johnson <janis187@us.ibm.com>
1896 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
1898 2006-09-21 Roger Sayle <roger@eyesopen.com>
1901 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
1902 dw_fde_current_label, to be the start of the function, i.e. the same
1903 value as dw_fde_begin.
1905 2006-09-20 Richard Sandiford <richard@codesourcery.com>
1907 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
1908 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
1909 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
1910 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
1911 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
1912 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
1913 (abs<mode>2, neg<mode>2): Likewise.
1914 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
1915 (*mips_abs_ps): New define_insn.
1917 2006-09-20 Josh Conner <jconner@apple.com>
1920 * calls.c (expand_call): Allow reuse of structure return stack
1923 2006-09-20 Paul Brook <paul@codesourcery.com>
1925 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
1928 2006-09-20 Janis Johnson <janis187@us.ibm.com>
1930 * doc/extend.texi (Decimal Float): Update for latest draft TR,
1931 clean up terminology.
1933 2006-09-20 Steve Ellcey <sje@cup.hp.com>
1936 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
1937 with tablejumps in them.
1939 2006-09-20 Jakub Jelinek <jakub@redhat.com>
1942 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
1943 wrap it into TARGET_EXPR.
1945 2006-09-20 Eric Christopher <echristo@apple.com>
1947 * config/i386/i386.c (x86_fisttp): Remove.
1948 * config/i386/i386.h (x86_fisttp): Ditto.
1949 (TARGET_FISTTP): Ditto.
1951 2006-09-19 Eric Christopher <echristo@apple.com>
1953 * doc/tm.texi (OBJC_JBLEN): Describe.
1954 * config/i386/darwin.h (OBJC_JBLEN): Define.
1955 * config/rs6000/darwin.h: Ditto.
1957 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
1959 PR rtl-optimization/21299
1960 * reload1.c (reload): Purge invalid ASMs in the final pass.
1962 2006-09-19 Steve Ellcey <sje@cup.hp.com>
1965 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
1966 pointers as legitimate constants.
1968 2006-09-19 Paul Brook <paul@codesourcery.com>
1971 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
1973 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
1975 PR tree-optimization/28887
1976 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
1977 component parts from the reference.
1978 (gather_memory_references_ref): Record the reference without the
1979 nonaddressable component parts.
1981 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
1984 * c-opts.c (c_common_handle_option): Ignore the -std options
1985 if the input language is assembly.
1987 2006-09-17 Ira Rosen <irar@il.ibm.com>
1990 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
1992 (ptr_ptr_may_alias_p): Likewise.
1993 (record_record_differ_p): New function.
1994 (base_object_differ_p): Call record_record_differ_p.
1996 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1999 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2000 away for the expr argument.
2002 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2005 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2006 before using it for dumping after vectorizing loops.
2008 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2009 Jack Howarth <howarth@bromo.med.uc.edu>
2012 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2013 skip on error_mark_node.
2014 (rs6000_darwin64_record_arg_recurse): Likewise.
2016 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2018 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2019 * doc/rtl.texi: Remove related documentation.
2021 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
2023 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2026 2006-09-15 Jim Wilson <wilson@specifix.com>
2028 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2029 Handle symbol offsets same as they are handled in ia64_expand_move
2032 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
2034 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2035 Add forgotten parameter to the fprintf call.
2037 2006-09-15 Steve Ellcey <sje@cup.hp.com>
2039 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2041 2006-09-15 Uros Bizjak <uros@kss-loka.si>
2043 * doc/contrib.texi: Add my entry.
2045 2006-09-15 Nick Clifton <nickc@redhat.com>
2047 * doc/md.texi (Processor pipeline description): Fix typo in
2048 example of how to use the absence_set directive and reword the
2049 description to make it slightly easier to read.
2051 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
2053 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2054 * loop-doloop.c (doloop_optimize): Use it to limit costs of
2055 expanding the number of iterations.
2056 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2058 * cfgrtl.c (emit_insn_at_entry): New function.
2059 * rtl.h (emit_insn_at_entry): Declare it.
2060 * integrate.c (emit_initial_value_sets): Use it.
2062 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2064 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2066 (struct loop_work and related VEC declarations): Delete.
2067 (bfin_dump_loops): Print out new member bad.
2068 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
2069 (bfin_scan_loop): Don't recurse.
2070 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2071 loops. No longer need to update outer loops if the current one is
2072 found bad. Move some validitiy checks to bfin_discover_loop.
2073 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2074 but changed not to check for nesting. Also changed to use the new bad
2076 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2077 time. Use bitmap based test to discover loop nesting.
2079 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
2081 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2084 2006-09-14 Richard Guenther <rguenther@suse.de>
2085 Kazu Hirata <kazu@codesourcery.com>
2087 PR middle-end/28884.
2088 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2089 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2090 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2091 with TARGET_FUNCTION_VALUE.
2093 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2096 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2098 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2100 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2103 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2106 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2109 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2111 * basic_block.h (bb_has_eh_pred): Fix comment.
2113 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2115 * flow.c (calculate_global_regs_live): Invalidate eh registers
2116 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2117 (propagate_block): Handle eh registers as if they were set at basic
2119 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2121 * global.c (global_conflicts): Make eh registers to conflict with
2122 pseudos live at basic block begin.
2123 * basic_block.h (bb_has_eh_pred): New function.
2125 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2127 PR rtl-optimization/28982
2128 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2129 index of a PRE_MODIFY or POST_MODIFY address.
2130 * reload1.c (inc_for_reload): Use find_replacement on the original
2131 base and index registers.
2133 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2135 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2136 for -Os. Update __m128 alignment requirement.
2138 2006-09-13 Jan Hubicka <jh@suse.cz>
2140 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2142 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2144 PR rtl-optimization/28243
2145 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2146 the insn to which the note was originally attached.
2148 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2149 Roger Sayle <roger@eyesopen.com>
2151 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2152 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2153 on platforms that don't use dwarf for debug info.
2155 2006-09-12 Jason Merrill <jason@redhat.com>
2158 * builtins.c (expand_builtin_setjmp_receiver): Clobber
2159 hard_frame_pointer_rtx after using it to update the frame pointer.
2161 2006-09-12 Roger Sayle <roger@eyesopen.com>
2163 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2164 (TARGET_ASM_CLOSE_PAREN): Likewise.
2165 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2166 (TARGET_ASM_CLOSE_PAREN): Likewise.
2168 2006-09-12 Roger Sayle <roger@eyesopen.com>
2171 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2172 frame information for frames larger than 512 Kbytes on Tru64 when
2173 using the native assembler.
2175 2006-09-12 Roger Sayle <roger@eyesopen.com>
2179 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2180 and symbols. Instead use the implementation from cse.c's hash_rtx.
2182 2006-09-12 Jan Hubicka <jh@suse.cz>
2184 PR rtl-optimization/28071
2185 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2186 (vect_transform_loop): Likewise.
2187 * tree-vectorizer.c (new_loop_vec_info): Likewise.
2188 (new_loop_vec_info): Likewise.
2189 (destroy_loop_vec_info): Likewise.
2190 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2191 (create_stmt_ann): Likewise.
2192 (create_tree_ann): Rename to ...
2193 (create_tree_common_ann): ... this one; allocate only the common part
2195 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2196 (get_value_handle): Likewise.
2197 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2198 get_tree_common_ann.
2199 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2200 (vinfo_for_stmt): Use stmt annotations.
2201 * tree-flow.h (tree_ann_common_t): New type.
2202 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2203 (tree_ann, get_tree_ann, create_tree_ann): New.
2204 * tree-flow-inline.h (get_function_ann): Do more type checking.
2205 (stmt_ann): Likewise.
2206 (tree_ann): Rename to ...
2207 (tree_common_ann): ... this one; return ony common_ann
2208 (get_tree_ann): Rename to ...
2209 (tree_common_ann): This one; return only common_ann.
2210 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2213 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2215 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2216 with_cpu by default.
2218 * dwarf2out.c (dwarf_file_data): New.
2219 (enum dw_val_class): Add dw_val_class_file.
2220 (struct dw_val_struct): Add val_file.
2221 (file_table): Change to a hash table.
2222 (file_table_emitted): Delete.
2223 (file_table_last_lookup_index): Delete.
2224 (emitcount): Delete.
2225 (last_emitted_file): New.
2226 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2227 (init_file_table): Delete.
2228 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2229 (AT_addr): Add comment.
2233 (print_die): Handle dw_val_class_file.
2234 (print_dwarf_line_table): Update for new file table structure.
2235 (attr_checksum): Do checksum a filename.
2236 (same_dw_val_p, same_attr_p): Do compare a filename.
2237 (size_of_die): Handle dw_val_class_file.
2238 (value_format): Likewise.
2239 (output_die): Likewise. Also, call maybe_emit_file here.
2240 (struct file_info): Constify filenames. Make file_idx a pointer
2241 to a struct dwarf_file_data.
2242 (struct dir_info): Constify directory names. Remove 'used' field.
2243 (struct file_name_acquire_data): New.
2244 (file_name_acquire): New.
2245 (output_file_names): Modify to handle new file data structures.
2246 (add_src_coords_attributes): Use add_AT_file.
2247 (add_call_src_coords_attributes): Likewise.
2248 (dwarf2out_imported_module_or_decl): Likewise.
2249 (gen_subprogram_die): Modify for new file data structures.
2250 (gen_variable_die): Likewise.
2251 (file_table_eq): New.
2252 (file_table_hash): New.
2253 (file_table_last_lookup): New.
2254 (lookup_filename): Rewrite to handle new file data structures.
2255 (maybe_emit_file): Rewrite to handle new file data structures.
2256 (dwarf2out_source_line): Always call lookup_filename and
2258 (dwarf2out_init): Create file_table here.
2259 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2260 (file_table_relative_p): New.
2261 (dwarf2out_finish): Change detection of relative filenames
2262 to work with new file data structures. Move output_line_info call
2263 after debug_info output.
2265 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2270 * config/i386/i386.c (override_options): Always default to 16
2271 byte stack boundary.
2273 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2276 * var-tracking.c (dump_dataflow_set): Start dumping at
2278 (clobber_variable_part): Kill only the variable part in
2279 registers holding it, leaving other variables alone.
2281 2006-09-11 Josh Triplett <josh@freedesktop.org>
2283 * doc/extend.texi (Other Builtins): Actually use the macro
2284 argument in the documentation example for
2285 __builtin_types_compatible_p.
2287 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2289 PR rtl-optimization/28726
2290 * sched-deps.c (sched_analyze_reg): New function extracted from...
2291 (sched_analyze_1): ...here. Call it to analyze references to
2292 registers. Treat again writes to a stack register as writing to the
2294 (sched_analyze_2): ...and here. Call it to analyze references to
2295 registers. Treat again reads of a stack register as reading the
2298 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2299 David Edelsohn <edelsohn@gnu.org>
2302 * config/rs6000/spe.md (frob_df_di): Remove %H.
2303 (frob_di_df): Remove %H. Change evmergelo to mr.
2304 (frob_di_df_2): Remove %H. Change evldd to two loads.
2306 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2308 * doc/cpp.texi: Fix names of charset options.
2310 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2313 * config/i386/i386.c (override_options): Use 128-bit
2314 stack boundary always for 64bits.
2316 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2318 PR rtl-optimization/28636
2319 * combine.c (force_to_mode): Test for side-effects before
2320 substituting by zero.
2321 (simplify_shift_const): Likewise for zero or other constants.
2323 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2326 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2329 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2332 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2333 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2334 returned by mode_for_size, rather than the mode of src itself,
2335 to choose between 32-bit and 64-bit patterns.
2336 (mips_mem_fits_mode_p): New function.
2337 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2338 that the size of the source matches the size of the destination.
2339 (mov_<store>l, mov_<store>r): Likewise.
2341 2006-09-10 Eric Christopher <echristo@apple.com>
2343 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2346 2006-09-09 Eric Christopher <echristo@apple.com>
2349 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2352 2006-09-09 Roger Sayle <roger@eyesopen.com>
2353 Nicolas Setton <setton@adacore.com>
2355 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2357 2006-09-10 Andreas Schwab <schwab@suse.de>
2359 * config/m68k/m68k.md (bungt_rev): New pattern.
2361 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2362 Dale Johannesen <dalej@apple.com>
2365 * regclass.c (struct reg_pref): Update documentation.
2366 (regclass): Set prefclass to NO_REGS if memory is the best option.
2367 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2369 2006-09-08 Eric Christopher <echristo@apple.com>
2371 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2372 * config/t-slibgcc-darwin: Support x86_64 multilib.
2373 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2374 Return 1 for x86_64-darwin.
2375 * config/i386/t-darwin: Add m64 multilib.
2376 (LIB2_SIDITI_CONV_FUNCS): Use.
2377 (LIB2FUNCS_EXTRA): Ditto.
2378 * config/i386/darwin.h: Support x86_64.
2379 * config/i386/i386.c (override_options): Turn on flag_pic
2380 for x86_64-darwin. Disable flag_omit_pointer.
2381 (get_pc_thunk_name): Assert !TARGET_64BIT.
2382 (legitimate_address_p): Disable machopic addressing for
2384 (legitimize_pic_address): Ditto.
2385 (ix86_expand_move): Ditto.
2386 (ix86_expand_call): Ditto.
2387 (machopic_output_stub): Ditto.
2388 * config/darwin.c (machopic_select_section): Support literal16.
2389 (machopic_select_rtx_section): Ditto.
2390 * config/darwin-sections.def: Ditto.
2391 * config/darwin-64.c: New.
2393 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2396 * c-tree.h (struct c_arg_info): Add pending_sizes.
2397 * c-parser.c (c_parser_parms_declarator,
2398 c_parser_parms_list_declarator): Initialize pending_sizes.
2399 * c-decl.c (get_parm_info): Initialize pending_sizes.
2400 (get_parm_info): Set pending_sizes.
2401 (grokdeclarator): Call put_pending_sizes for parameters for
2402 function definition only.
2404 2006-09-07 Jason Merrill <jason@redhat.com>
2407 * varasm.c (output_constant): Only strip actual no-op conversions.
2410 * config/i386/i386.c (override_options): Use 128-bit
2411 stack boundary if -msse.
2413 2006-09-07 Eric Christopher <echristo@apple.com>
2415 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2417 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2420 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2422 * dwarf2out.c: Remove strange characters from comment above
2423 dwarf2out_frame_debug_expr.
2425 2006-09-07 Eric Christopher <echristo@apple.com>
2427 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2428 * config/darwin.h: ... to here.
2430 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2432 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2434 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2435 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2437 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2438 TARGET_PARTIAL_FLAG_REG_STALL.
2439 (*ashldi3_cconly_rex64): Likewise.
2440 (*ashlsi3_cmp): Likewise.
2441 (*ashlsi3_cconly): Likewise.
2442 (*ashlsi3_cmp_zext): Likewise.
2443 (*ashlhi3_cmp): Likewise.
2444 (*ashlhi3_cconly): Likewise.
2445 (*ashlqi3_cmp): Likewise.
2446 (*ashlqi3_cconly): Likewise.
2447 (*ashrdi3_cmp_rex64): Likewise.
2448 (*ashrdi3_cconly_rex64): Likewise.
2449 (*ashrsi3_cmp): Likewise.
2450 (*ashrsi3_cconly): Likewise.
2451 (*ashrsi3_cmp_zext): Likewise.
2452 (*ashrhi3_cmp): Likewise.
2453 (*ashrhi3_cconly): Likewise.
2454 (*ashrqi3_cmp): Likewise.
2455 (*ashrqi3_cconly): Likewise.
2456 (*lshrdi3_cmp_rex64): Likewise.
2457 (*lshrdi3_cconly_rex64): Likewise.
2458 (*lshrsi3_cmp): Likewise.
2459 (*lshrsi3_cconly): Likewise.
2460 (*lshrsi3_cmp_zext): Likewise.
2461 (*lshrhi3_cmp): Likewise.
2462 (*lshrhi3_cconly): Likewise.
2463 (*lshrqi2_cmp): Likewise.
2464 (*lshrqi2_cconly): Likewise.
2466 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2469 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2470 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2471 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2472 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2473 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2474 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2475 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2476 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2477 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2478 implement only CC setting effects of shift instructions.
2480 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2482 * doc/contrib.texi: Add myself.
2484 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2487 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2488 was set by the user.
2490 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2493 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2494 (divsi_inv_m1): Use them.
2495 (UNSPEC_DIV_INV_TABLE): New constant.
2497 2006-09-06 James E Wilson <wilson@specifix.com>
2500 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2501 then call count_or_remove_death_notes.
2503 2006-09-06 Jason Merrill <jason@redhat.com>
2506 * tree-inline.c (copy_result_decl_to_var): New fn.
2507 (declare_return_variable): Use it. Call declare_inline_vars here.
2508 (expand_call_inline): Not here.
2510 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2512 * doc/contrib.texi: Update my entry.
2514 2006-09-06 Nick Clifton <nickc@redhat.com>
2516 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2518 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2521 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2522 (canonicalize_induction_variables): Likewise.
2523 (tree_unroll_loops_completely): Likewise.
2524 (tree_ssa_prefetch_arrays): Likewise.
2525 (remove_empty_loops): Likewise.
2526 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2527 TODO_cleanup_cfg instead of directly calling
2528 cleanup_tree_cfg_loop.
2529 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2531 (tree_unroll_loops_completely): Likewise.
2532 (remove_empty_loops): Likewise.
2533 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2534 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2535 of tree_ssa_unswitch_loops.
2536 (tree_ssa_loop_ivcanon): Use the return value of
2537 canonicalize_induction_variables.
2538 (tree_ssa_empty_loop): Use the return value of
2540 (tree_complete_unroll): Use the return value of
2541 tree_unroll_loops_completely.
2542 (tree_ssa_loop_prefetch): Use the return value of
2543 tree_ssa_prefetch_arrays.
2544 * passes.c (execute_todo): Before Cleanup CFG, set
2545 updating_used_alone and after cleanup CFG, call
2546 recalculate_used_alone.
2548 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2551 * tree-vect-transform.c (vectorizable_condition): Move the check
2552 for the type after the check for simple condition.
2554 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2555 Kaz Kojima <kkojima@gcc.gnu.org>
2558 * mode-switching.c (optimize_mode_switching): Make the destination
2559 block of an abnormal edge have no anticipatable mode. Don't
2560 insert mode switching code at the end of the source block of
2563 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2565 PR rtl-optimization/26847
2566 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2567 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2568 (simplify_plus_minus): Count n_constants while filling ops. Replace
2569 qsort with insertion sort. Before going through the array to simplify
2570 pairs, sort it. Delay early exit until after the first sort, exiting
2571 only if no swaps occurred. Simplify pairs in reversed order, without
2572 special-casing the first iteration. Pack ops after simplifying pairs.
2574 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2576 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2577 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2578 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2579 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2581 2006-09-05 Richard Guenther <rguenther@suse.de>
2583 PR tree-optimization/28900
2584 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2585 compound conditional before creating COND_EXPR condition.
2587 2006-09-05 Richard Guenther <rguenther@suse.de>
2589 PR tree-optimization/28905
2590 * tree-vrp.c (fix_equivalence_set): Manually implement
2591 !value_ranges_intersect_p to also handle symbolic ranges.
2593 2006-09-05 Richard Guenther <rguenther@suse.de>
2596 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2599 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2601 PR rtl-optimization/27616
2602 * cse.c (table_size): New static variable.
2603 (new_basic_block): Initialize it to 0.
2604 (remove_from_table): Decrement it.
2605 (insert): Increment it.
2606 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2607 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2608 fold_rtx_mem_1 if under the cap.
2609 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2610 the lookup of the equivalent expression and test for equality of the
2611 first operand of the equivalent expression before in turn looking up
2612 an equivalent constant for the second operand.
2614 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2617 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2618 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2619 pointer, instead of assuming it is possible to derive the
2620 correct args size from a call insn.
2622 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2625 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2626 (fold_builtin_mempcpy): Rename to...
2627 (fold_builtin_memory_op): ... this. Optimize one element copy
2629 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2631 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2632 (expand_builtin_memcpy, expand_builtin_mempcpy,
2633 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2634 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2635 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2636 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2638 2006-09-01 DJ Delorie <dj@redhat.com>
2640 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2641 (stzx_16): Likewise.
2642 ("stzx_24_<mode>"): Likewise.
2643 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2644 ("cmp<mode>_op"): New.
2645 (cmp<mode>): Change to expander; just save operands.
2647 (b<code>): Change to expander, emit compare here.
2648 (s<code>_op): Change to use split and expander.
2649 (s<code>_24_op): Likewise.
2650 (s<code>_<mode>): New.
2651 (s<code>_<mode>_24): New.
2652 (movqicc_<code>_<mode): New.
2653 (movhicc_<code>_<mode>): New.
2656 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2657 (m32c_pend_compare): New.
2658 (m32c_unpend_compare): New.
2659 (m32c_expand_scc): New.
2660 (m32c_expand_movcc): Emit the compare also.
2661 * config/m32c/predicates.md (mra_nopp_operand): New.
2663 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2664 Richard Guenther <rguenther@suse.de>
2665 Adam Nemet <anemet@caviumnetworks.com>
2668 * builtins.c (get_pointer_alignment): Handle more forms
2669 of base addresses that can be used to derive more precise
2670 information about alignment.
2672 2006-09-01 Jason Merrill <jason@redhat.com>
2675 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2678 * gimplify.c (voidify_wrapper_expr): Handle null type.
2680 2006-09-01 Josh Conner <jconner@apple.com>
2683 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2684 (execute_return_slot_opt): Use it.
2686 2006-08-31 Josh Conner <jconner@apple.com>
2689 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2690 returning aggregates.
2692 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2694 PR tree-optimization/28839
2695 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2696 blocks in that phi arguments appear.
2698 2006-08-31 Roger Sayle <roger@eyesopen.com>
2701 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2702 NULL, otherwise use an advance_loc4 to adjust relative to the
2704 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2705 (dwarf2out_switch_text_section): Reset the current label to avoid
2706 using advance_loc4 over section boundaries.
2708 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2711 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2712 r12 + SYMBOLIC_CONST.
2714 2006-08-30 Richard Guenther <rguenther@suse.de>
2716 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2718 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2720 PR rtl-optimization/27735
2721 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2722 Add new argument to keep track of whether an irreducible region
2723 was affected. All callers changed.
2724 (fix_irreducible_loops): Removed.
2725 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2726 flags were invalidated.
2728 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2730 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2731 instead of SF operands.
2732 (*fop_df_comm_sse): Likewise.
2733 (*fop_df_comm_i387): Likewise.
2734 (*fop_df_1_mixed): Likewise.
2735 (*fop_df_1_sse): Likewise.
2737 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2738 J"orn Rennecke <joern.rennecke@st.com>
2740 PR tree-optimization/17506
2741 * tree-ssa.c (warn_uninit): If warning about a location outside of
2742 the current function, note where the variable was declared.
2744 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2746 PR tree-optimization/28411
2747 * double-int.c (double_int_div): Use double_int_divmod.
2748 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2749 double_int_mod, double_int_smod, double_int_umod): New functions.
2750 * double-int.h (double_int_divmod, double_int_sdivmod,
2751 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2753 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2755 (get_computation_aff, get_computation_cost_at): Handle double_int
2756 return type of constant_multiple_of.
2758 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2761 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2762 an implicit conversion.
2764 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2766 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2768 2006-08-27 Roger Sayle <roger@eyesopen.com>
2770 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2773 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2775 * config/i386/crtfastmath.c: Fix a comment typo.
2777 2006-08-26 Roger Sayle <roger@eyesopen.com>
2779 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
2780 temporary visit flags on CASE_LABEL_EXPRs.
2781 * c-common.c (match_case_to_enum): Add function comment. Avoid
2782 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
2783 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
2784 CASE_HIGH_SEEN for enumerated types. If the switch expression is
2785 a constant, only warn if that constant value isn't handled.
2787 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
2790 * input.h (restore_input_file_stack): Declare.
2791 (INPUT_FILE_STACK_BITS): Define.
2792 * toplev.c (fs_p, input_file_stack_history,
2793 input_file_stack_restored, restore_input_file_stack): New.
2794 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
2795 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
2796 (pop_srcloc): Don't free old state of stack.
2798 2006-08-26 David Edelsohn <edelsohn@gnu.org>
2801 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2802 (PowerPC Type Attributes): New.
2804 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2806 * config/xtensa/xtensa.c (function_arg_boundary): New.
2807 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2809 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2810 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2812 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2815 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2818 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2820 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2821 (verify_local_live_at_start): Likewise.
2823 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2826 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2827 omp_add_variable): Treat sizes as variable whenever not
2830 2006-08-26 Richard Guenther <rguenther@suse.de>
2833 * fold-const.c (fold_binary): Fold temporary to correct
2834 type before constructing new comparison.
2836 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2839 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2840 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2842 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2845 * c-decl.c (start_function): Don't try to process prototype
2846 information from old declaration that isn't a function.
2848 2006-08-25 Jan Hubicka <jh@suse.cz>
2851 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2853 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2856 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
2859 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
2861 PR tree-optimization/16876
2862 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
2863 exit if PARM doesn't match VALUE.
2865 2006-08-25 Bob Wilson <bob.wilson@acm.org>
2867 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
2868 literal_prefix directive.
2869 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
2870 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2871 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2873 2006-08-25 David Edelsohn <edelsohn@gnu.org>
2876 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
2877 predicate to general_operand. Add 0->y and I->r alternatives.
2879 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
2881 * doc/tm.texi: Fix a typo.
2882 * predict.c: Fix comment typos.
2884 2006-08-25 Nick Clifton <nickc@redhat.com>
2886 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
2887 assertions of "cpu" and "machine".
2889 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
2892 * tree-ssa-operands.c (access_can_touch_variable): Don't say
2893 the access through a base which has an alias set of 0 cannot
2896 2006-08-24 Bill Wendling <wendling@apple.com>
2898 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
2900 2006-08-24 Jan Hubicka <jh@suse.cz>
2902 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
2904 2006-08-24 Jan Hubicka <jh@suse.cz>
2907 * cgraph.c: Fix comments.
2908 (cgraph_varpool_mark_needed_node): Mark only variables not already
2910 * cgraphunit.c: Update comments; include gt-cgraphunit.h
2911 (cgraph_varpool_assembled_nodes_queue): New static variable.
2912 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
2913 (cgraph_varpool_output_debug_info): New function.
2914 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
2915 * Makefile.in: Add gt-cgraphunit.h
2917 2006-08-24 Jan Hubicka <jh@suse.cz>
2919 * predict.c (probability_reliable_p): New predicate.
2920 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
2921 (predict_loops): Do not predict loop exit with less than 2%
2923 * basic-block.h (edge_probability_reliable_p,
2924 br_prob_note_reliable_p): Declare.
2925 * ia64.h (ia64_print_operand): Do not disable on-chip branch
2926 prediction when static predictor is not reliable.
2927 * rs6000.c (output_cbranch): Likewise.
2929 2006-08-23 Stuart Hastings <stuart@apple.com>
2932 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
2933 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
2935 2006-08-21 Geoffrey Keating <geoffk@apple.com>
2938 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
2939 complex values, nor for generic vector values.
2941 2006-08-22 Richard Guenther <rguenther@suse.de>
2944 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
2945 parameter. Convert arguments to arithmetic expression to the
2947 (analyze_scalar_evolution_1): Adjust caller.
2949 2006-08-22 Jan Hubicka <jh@suse.cz>
2951 Patch by Paolo Bonzini
2952 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
2955 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
2957 PR tree-optimization/28003
2958 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
2959 before grouping aliases.
2961 2006-08-22 Roger Sayle <roger@eyesopen.com>
2963 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
2964 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
2966 2006-08-21 Jason Merrill <jason@redhat.com>
2969 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
2970 wrapper. Loop to handle nested wrappers.
2971 (gimplify_bind_expr): Remove temp parameter.
2972 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
2973 and STATEMENT_LIST on the rhs.
2974 (gimplify_statement_list): Voidify the STATEMENT_LIST.
2975 (gimplify_expr): Pass pre_p to gimplify_statement_list.
2976 (gimplify_target_expr): Remove special BIND_EXPR handling.
2978 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
2980 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
2983 2006-08-21 Olivier Hainque <hainque@adacore.com>
2985 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
2986 Arrange for the temporary captures of components overlapping the lhs
2987 to happen before the lhs is possibly cleared.
2989 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
2991 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
2992 necessary places to pass the correct "number of registers" values
2995 2006-08-20 Jan Hubicka <jh@suse.cz>
2997 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
2998 (create_name_tags): Instead of quadratic checking use hashtable.
2999 * bitmap.h: Include hashtab.h.
3000 (bitmap_hash): Declare.
3001 * bitmap.c (bitmap_hash): New function.
3003 2006-08-20 Jan Hubicka <jh@suse.cz>
3005 PR rtl-optimization/28071
3006 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3008 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3009 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3010 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3011 cgraph_decide_inlining_incrementally): Update use of
3012 cgraph_check_inline_limits.
3013 * cgraph.c (edge_hash, edge_eq): New function.
3014 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3015 cgraph_edge_remove_caller, cgraph_node_remove_callees,
3016 cgraph_remove_node): Maintain call site hash.
3017 * cgraph.h (struct cgraph_node): Add call_site_hash.
3018 (cgraph_set_call_stmt): New function.
3020 2006-08-20 Jan Hubicka <jh@suse.cz>
3022 PR rtl-optimization/28071
3023 * reload1.c (reg_has_output_reload): Turn into regset.
3024 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3025 choose_reload_regs, emit_reload_insns): Update to new
3026 reg_has_output_reload.
3028 2006-08-20 Jan Hubicka <jh@suse.cz>
3031 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3032 function body sizes.
3033 * cgraphunit.c (cgraph_analyze_function): Don't do so.
3035 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
3038 * tree.c (handle_dll_attribute): Return early if not a
3039 var or function decl.
3041 2006-08-18 Joseph Myers <joseph@codesourcery.com>
3044 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3045 alignment of SPE vector types.
3047 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
3049 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3051 2006-08-17 Jakub Jelinek <jakub@redhat.com>
3054 * cgraph.h (struct cgraph_node): Remove externally_visible
3056 * cgraphunit.c (process_function_and_variable_attributes): Set
3057 local.externally_visible rather than externally_visible.
3060 * c-common.c (handle_externally_visible_attribute): First look
3061 at TREE_CODE and only if it is function or var decl, check for
3062 non-public objects. Don't warn for DECL_EXTERNAL.
3063 * cgraphunit.c (process_function_and_variable_attributes): Warn
3064 if externally_visible attribute is used on non-public object.
3066 2006-08-17 Jan Hubicka <jh@suse.cz>
3068 PR tree-optimization/27865
3069 * reload1.c (forget_marked_reloads): New function.
3070 (forget_old_reloads_1): When data are passed, just mark the registers
3072 (reload_as_needed): Use the new mechanizm.
3074 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
3077 * reload.h (reg_equiv_alt_mem_list): New declaration.
3078 * reload1.c (reg_equiv_alt_mem_list): New definition.
3079 (reload): Initialize it and release it.
3080 (delete_output_reload): Use it.
3081 * reload.c (push_reg_equiv_alt_mem): New function.
3082 (find_reloads_toplev): Call it.
3083 (find_reloads_address, find_reloads_address_1): Likewise.
3084 (find_reloads_subreg_address): Likewise.
3086 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3088 PR rtl-optimization/28489
3089 * sched-ebb.c (begin_schedule_ready): Create basic block
3091 (advance_target_bb): Skip empty blocks.
3092 * haifa-sched.c (bb_note): Make global.
3093 * sched-int.h (bb_note): Add prototype.
3095 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3097 PR tree-optimization/27865
3098 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3100 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3101 fold_used_pointer, pointer_used_p): New functions.
3102 (analyze_scalar_evolution_1): Use fold_used_pointer.
3103 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3104 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3107 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3110 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3111 or the INTEGER_CST. Fail on a CALL_EXPR.
3112 (fold_offsetof): Pass new argument to fold_offsetof_1.
3113 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3114 operand into an INDIRECT_REF.
3115 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3117 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3119 PR gcov/profile/26570
3120 * value-prof.c (static_values): Removed.
3121 (tree_find_values_to_profile): Do not set static_values.
3122 (find_values_to_profile): Do not free static_values.
3123 * profile.c (instrument_values): Do not free the values.
3124 (branch_prob): Free the values.
3126 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3128 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3130 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3133 * c-typeck.c (build_component_ref): Combine qualifiers of
3134 structure or union and field.
3136 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3138 PR rtl-optimization/28071
3139 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3140 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3141 * tree-into-ssa.c (struct dom_dfsnum): New.
3142 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3144 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3145 compute_global_livein.
3146 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3147 in phi nodes in the correct blocks.
3149 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3151 PR tree-optimization/28364
3152 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3154 (fold_affine_expr): New function.
3155 (may_eliminate_iv): Use fold_affine_expr.
3157 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3160 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3163 2006-08-16 Mike Stump <mrs@apple.com>
3165 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3166 * doc/cppopts.texi (-MD): Likewise.
3168 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
3171 * c-common.c (handle_weak_attribute): Ignore and warn if
3172 not a FUNCTION_ or VAR_DECL.
3174 2006-07-15 Mike Stump <mrs@apple.com>
3177 * c-parser.c (c_parser_typeof_specifier): Don't use
3178 c_finish_expr_stmt, open code desired semantics instead.
3180 2006-08-15 Nick Clifton <nickc@redhat.com>
3182 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3183 fragment to tmake_file only if threads are enabled.
3184 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3185 * config/i386/t-gthr-win32: New file. ... here.
3187 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3190 * c-parser.c (c_parser_compound_statement_nostart): Reset
3191 parser->error after each statement.
3193 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3196 * omp-low.c (lower_omp_parallel): Convert t to
3197 receiver_decl's type.
3198 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3199 source before comparison.
3202 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3203 to itype in assignment to oldival2.
3205 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3209 * c-typeck.c (build_compound_expr): If the second expression
3210 is an error mark, then just return an error mark instead of
3211 creating a COMPOUND_EXPR.
3213 2006-07-14 Mike Stump <mrs@apple.com>
3215 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3217 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3219 * c-decl.c, var-tracking.c: Fix comment typos.
3221 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3223 PR rtl-optimization/28634
3224 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3225 for floating-point modes unless flag_unsafe_math_optimizations.
3227 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3228 Andrew Pinski <pinskia@physics.uc.edu>
3231 * tree.c (build_array_type): Unify array types with
3232 unspecified index_type.
3233 * c-decl.c (grokdeclarator): Make sure we do not modify a
3234 unified incomplete array type.
3235 * c-typeck.c (store_init_value): Create distinct type before
3236 filling in the index type in an initializer from a compound
3239 * c-decl.c (grokdeclarator): Remove code where we copy the
3242 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3244 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3245 into account for TODO_dump_cgraph.
3246 (TODO_update_ssa_no_phi): Likewise.
3247 (TODO_update_ssa_full_phi): Likewise.
3248 (TODO_update_ssa_only_virtuals): Likewise.
3249 (TODO_remove_unused_locals): Likewise.
3250 (TODO_set_props): Likewise.
3251 (TODO_update_stmt_usage): Likewise.
3253 2006-08-13 Dirk Mueller <dmueller@suse.de>
3255 * c-common.c (strict_aliasing_warning): Fix formatting.
3257 2006-08-13 Matthias Klose <doko@debian.org>
3259 * doc/invoke.texi: Fix spelling errors.
3261 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3263 PR rtl-optimization/23454
3264 * reorg.c (relax_delay_slots): Update comment.
3266 2006-08-11 Richard Guenther <rguenther@suse.de>
3269 * simplify-rtx.c (simplify_const_relational_operation):
3270 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3273 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3275 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3276 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3278 2006-08-10 Paul Brook <paul@codesourcery.com>
3280 * final.c (final_scan_insn): Clear current_insn_predicate before
3281 outputting inline asm.
3283 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3285 PR tree-optimization/26197
3286 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3287 get_ref_base_and_extent and overlap_subvar to add only relevant
3288 subvars as may-aliases.
3289 (add_may_alias_for_new_tag): New function, factored out of
3291 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3292 with additional argument.
3293 * tree-flow.h (new_type_alias): Takes additional argument.
3295 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3297 * gcov.c (no_data_file): New flag.
3298 (read_count_file): Set it if data file not present. Assume counts
3300 (output_lines): Don't name the data file, if there wasn't one.
3302 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3304 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3305 (rs6000_generate_compare): Tweak comments.
3306 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3308 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3310 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3311 (var_debug_decl): New function.
3312 (var_reg_set): Follow debug decl link. Add location even if
3313 reg is already known to hold some other variable.
3314 (var_mem_set): Follow debug decl link.
3315 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3316 decl link. Delete other known locations of the variable part
3318 (var_reg_delete, var_mem_delete): Delete other known locations
3319 of the variable part if requested.
3320 (same_variable_part_p): New function.
3321 (add_stores): Select MO_COPY when appropriate.
3322 (vt_initialize): Handle it.
3323 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3324 known locations for MO_SET and MO_CLOBBER.
3325 (find_variable_location_part): New function.
3326 (set_variable_part, delete_variable_part): Use it.
3327 (clobber_variable_part): New function.
3328 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3331 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3333 PR tree-optimization/26969
3334 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3335 with an empty list of PHIs.
3337 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3341 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3344 2006-08-06 Andreas Schwab <schwab@suse.de>
3346 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3347 string. Whitespace and comment fixup.
3349 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3352 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3356 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3359 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3361 2006-08-04 Jan Hubicka <jh@suse.cz>
3365 * reload.c (push_reload): Patch out the mismatching instruction;
3367 (find_reload): Bail out if the instruction was patched out.
3369 2006-08-04 Jan Hubicka <jh@suse.cz>
3371 PR tree-optimization/24888
3372 * tree-inline.c (expand_call_inline): Do not re-record variables.
3373 (declare_inline_vars): Add variable to unexpanded_var_list.
3375 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3376 Roger Sayle <roger@eyesopen.com>
3378 PR rtl-optimization/26244
3379 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3380 inner_const are negative or greater than or equal to the bitsize of
3381 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3382 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3383 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3384 CONST0_RTX (mode) when the new shift count is greater than or equal to
3385 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3388 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3390 * tree-cfg.c: Fix a comment typo.
3392 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3395 * varasm.c (output_constant): Give the front end another chance to
3396 expand constants, after stripping NOPs.
3398 2006-08-03 Jan Hubicka <jh@suse.cz>
3400 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3403 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3405 PR tree-optimization/27770
3406 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3407 declaration removed (moved to tree-flow.h).
3408 (vect_can_force_dr_alignment_p): Likewise.
3409 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3410 (moved from tree-vectorizer.h).
3411 (vect_can_force_dr_alignment_p): Likewise.
3412 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3413 from outside the vectorizer - in particular from cgraph stage.
3414 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3415 the alignment of global arrays when -fsection-anchors is enabled.
3416 * cgraphunit.c (cgraph_increase_alignment): New function.
3417 (cgraph_optimize): Call cgraph_increase_alignment.
3419 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3422 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3423 not reload a SPE symbol_ref into a lo_sum address.
3425 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3428 * dwarf2out.c (prune_unused_types_prune): Move call to
3429 prune_unused_types_update_strings to cover the parent DIE also.
3431 2006-08-02 Jan Hubicka <jh@suse.cz>
3433 PR gcov/profile/28480
3434 * tree-cfg.c (change_bb_for_stmt): New function.
3435 (tree_merge_blocks, tree_split_blocks): Use it.
3437 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3443 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3444 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3445 (cgraph_optimize): Likewise.
3447 2006-08-01 Stuart Hastings <stuart@apple.com>
3449 * rtl.h (UINTVAL) New.
3450 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3451 * testsuite/gcc.dg/20060801-1.c: New.
3453 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3456 * c-typeck.c (build_external_type): Mark used enum types.
3457 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3459 (gen_subprogram_die): Whitespace fix.
3461 2006-08-01 Jan Hubicka <jh@suse.cz>
3463 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3464 bitmap when not needed.
3465 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3468 2006-08-01 Dirk Mueller <dmueller@suse.de>
3470 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3472 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3474 * Makefile.in: Revert part of previous patch:
3475 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3478 2006-07-30 Eric Christopher <echristo@apple.com>
3481 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3482 (PowerPC Variable Attributes): New section.
3484 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3486 PR target/28126 (partial fix)
3487 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3489 2006-07-28 Jan Hubicka <jh@suse.cz>
3491 PR rtl-optimization/28071
3492 * cfgrtl.c (rtl_delete_block): Free regsets.
3493 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3495 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3497 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3498 and variables used in dependencies.
3500 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3502 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3503 %fs for -mcmodel=kernel.
3504 (stack_tls_protect_test_di): Likewise.
3506 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3508 * Makefile.in: Use mkinstalldirs.
3510 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3513 * opts-common.c (prune_options): Skip joined switches.
3515 2006-07-27 Jan Hubicka <jh@suse.cz>
3517 PR rtl-optimization/28071
3518 * cselib.c (cselib_process_insn): Don't remove useless values too
3519 often for very large hashtables.
3521 2006-07-27 Jan Hubicka <jh@suse.cz>
3523 PR rtl-optimization/28071
3524 * global.c (greg_obstack): New obstack.
3525 (allocate_bb_info): Use it.
3526 (free_bb_info): Likewise.
3527 (modify_reg_pav): Likewise.
3529 2006-07-27 Roger Sayle <roger@eyesopen.com>
3531 * builtins.c (fold_fixed_mathfn): When long and long long are the
3532 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3533 functions to their lceil*, lfloor*, lround* and lrint* forms.
3535 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3538 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3540 (rev_branch_insn): Likewise.
3542 2006-07-27 Jan Hubicka <jh@suse.cz>
3544 PR rtl-optimization/28071
3545 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3546 (reg_set_in_bb, max_reg_computed): New static variables.
3547 (regmove_optimize): Free the new array.
3548 (fixup_match_1): Update call of reg_is_remote_constant_p.
3550 2006-07-26 Jan Hubicka <jh@suse.cz>
3552 PR tree-optimization/27882
3553 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3555 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3557 (cgraph_analyze_compilation_unit): Likewise.
3558 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3559 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3560 (cgraph_early_inlinine): Make order garbage collected.
3561 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3563 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3565 * dbxout.c (output_types_sort): Add a comment.
3566 (output_used_types): Free the VEC.
3568 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3570 * function.c (reorder_fix_fragments): Delete.
3571 (reorder_blocks): Don't call it.
3572 (reorder_blocks_1): Put all subblocks under the origin block.
3574 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3576 PR rtl-optimization/27907
3577 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3580 2006-07-25 Roger Sayle <roger@eyesopen.com>
3583 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3584 bar(x) check that bar's result type can represent all the values of T.
3586 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3588 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3590 2006-07-25 Nick Clifton <nickc@redhat.com>
3592 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3593 size_lookup[] array.
3594 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3595 (ggc_pch_count_object): Likewise.
3596 (ggc_pch_alloc_object): Likewise.
3597 (ggc_pch_write_object): Likewise.
3598 (init_ggc): Do not attempt to initialize entries in the
3599 size_lookup[] array for objects whose size is greater than than
3600 the length of the array.
3602 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3604 * dbxout.c (output_used_types_helper): Push queued types
3606 (output_types_sort): New.
3607 (output_used_types): Collect used types on a VEC and sort them
3610 2006-07-24 Richard Guenther <rguenther@suse.de>
3613 * cgraph.c (cgraph_remove_node): Do not check if dumps
3615 * cgraphunit.c (cgraph_optimize): Likewise.
3617 2006-07-24 Jan Hubicka <jh@suse.cz>
3619 PR rtl-optimization/28071
3620 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3621 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3622 splitting before first stmt.
3624 2006-07-24 Jan Hubicka <jh@suse.cz>
3626 PR rtl-optimization/28071
3627 * ipa-inline.c (update_caller_keys): Remove edges that
3628 are no longer inline candidates.
3630 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3633 * dbxout.c (output_used_types_helper, output_used_types): New.
3634 (dbxout_symbol): Call output_used_types.
3636 2006-07-23 Jan Hubicka <jh@suse.cz>
3640 * cgraph.c (cgraph_varpool_nodes): Export.
3641 (decide_is_variable_needed): Ignored "used" attribute in
3642 unit-at-a-time mode.
3643 * cgraph.h (cgraph_varpool_nodes): Declare.
3644 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3645 unit-at-a-time mode.
3647 2006-07-23 Roger Sayle <roger@eyesopen.com>
3650 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3651 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3652 the __gthrw form of thr_keycreate.
3653 (__gthread_key_delete): Silence the unused argument warning.
3655 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3658 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3659 Cache the last found '\0' marker to avoid quadratic behavior.
3661 2006-07-23 Jan Hubicka <jh@suse.cz>
3663 * i386.md (subsi_3_zext): Fix output template.
3665 2006-07-21 Mike Stump <mrs@apple.com>
3667 * doc/invoke.texi (C++ Dialect Options): Note that
3668 -fvisibility-inlines-hidden doesn't affect explicitly
3669 instantiationed inline methods.
3671 2006-07-20 Roger Sayle <roger@eyesopen.com>
3673 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3674 if the target assembler is GNU binutils' gas.
3675 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3676 whether to pass GNU gas or native as command line options.
3678 2006-07-20 Jason Merrill <jason@redhat.com>
3680 * tree.c (remove_attribute): New fn.
3681 * tree.h: Declare it.
3683 2006-07-20 Paul Brook <paul@codesourcery.com>
3686 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3687 they are invalidated by this instruction.
3689 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3692 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3694 2006-07-20 Eric Christopher <echristo@apple.com>
3697 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3699 2006-07-19 Eric Christopher <echristo@apple.com>
3701 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3702 Rewrite dependencies for libgcc_s.1.dylib.
3704 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3706 * except.c (duplicate_eh_regions_1): Clear next_peer.
3708 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3710 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3711 -mlongcall does not guarantee all calls will be long.
3712 * doc/extend.texi (long_call/short_call): Document that longcall
3713 does not guarantee a long call will be used.
3714 (longcall/shortcall): Likewise.
3716 2006-07-18 Roger Sayle <roger@eyesopen.com>
3719 * expmed.c (expand_shift): Additionally check that the shift_cost
3720 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3721 before implementing a LSHIFT_EXPR as a sequence of additions.
3722 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3723 middle-end that DImode shifts need to be synthesized by expand.
3725 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3728 * tree-ssa-operands.c (access_can_touch_variable): Update
3730 Return true if ALIAS is .GLOBAL_VAR.
3732 2006-07-18 David Daney <ddaney@avtrex.com>
3734 * gcc.c (display_help): Fix typo in help text.
3736 2006-07-18 Olivier Hainque <hainque@adacore.com>
3738 * tree.h (categorize_ctor_elements): Adjust prototype and add
3739 descriptive comment, both in accordance with the interface change
3741 * varasm.c (constructor_static_from_elts_p): New function.
3742 Whether a constructor node is a valid static constant initializer
3743 if all its elements are.
3744 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3745 * output.h: Declare it.
3746 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3747 is a valid constant initializer instead of computing the number of
3748 non-constant elements. Use constructor_static_from_elts_p for this
3749 purpose. Replace the head comment with an indication that this is a
3750 helper for categorize_ctor_elements.
3751 (categorize_ctor_elements): Same interface change as for the _1
3752 helper. Former head comment from this helper moved here, adjusted to
3753 account for the interface changes.
3754 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3755 (all_zeros_p): Likewise.
3756 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3757 static versions of the constructor from the categorize_ctor_elements
3758 return value instead of the formerly computed number of non-constant
3761 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3763 * configure: Regenerate.
3764 * Makefile.in (build_libsubdir): New configure substitution
3765 (build_libobjdir): New variable.
3766 (BUILD_LIBIBERTY): Use it.
3768 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3771 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3773 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3776 * c-common.c (handle_weakref_attribute): Ignore attribute in
3777 the same conditions the alias attribute is ignored.
3779 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
3781 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
3782 (dbxout_begin_prologue): Increment scope_labelno.
3784 2006-07-17 Richard Henderson <rth@redhat.com>
3787 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
3790 2006-07-17 Roger Sayle <roger@eyesopen.com>
3791 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3793 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
3794 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
3795 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
3796 functions such as sbrk, write, etc.. Add function prototypes.
3797 Convert function declarations from K&R to ISO C. Cast pointers
3798 to "long" and "unsigned long" instead of "int" and "unsigned int".
3799 Convert tokens following #endif into comments.
3801 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3803 * invoke.texi: Remove mention of f77; Reformat table for
3804 inline parameter options correctly; mention that -malign-double
3805 is default on x86-64 targets.
3807 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3809 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3810 (convert_affine_scev, chrec_convert_aggressive): Use
3811 avoid_arithmetics_in_type_p. Do not check for the subtypes
3814 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3817 * optabs.c (expand_doubleword_shift): Wrap the call to
3818 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3820 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3823 * optabs.c (expand_binop): Pass next_methods rather than methods
3824 to expand_doubleword_shift.
3826 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3829 * tree.h (dump_addr): Declare.
3830 * print-tree.c (dump_addr): New function.
3831 (print_node_brief, print_node): Use it.
3832 * print-rtl.c (print_rtx): Likewise.
3833 * common.opt (-fdump-noaddr): New option.
3834 * doc/invoke.texi (-fdump-noaddr): Document.
3835 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3836 (ve_info_hash): Likewise.
3838 2006-07-13 Andrew Haley <aph@redhat.com>
3840 PR tree-optimization/19505
3841 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3842 edge leaving this block, make sure that the destination of this
3843 block has only one predecessor.
3845 2006-07-17 Richard Guenther <rguenther@suse.de>
3847 PR tree-optimization/28238
3848 * tree-inline.c (copy_bb): Check if we produced valid
3849 gimple copying and substituting a stmt. If not, gimplify
3852 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3854 * optabs.c (maybe_encapsulate_block): New function extracted from...
3855 (emit_libcall_block): ...here. Invoke it on the block of insns to
3856 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3857 (emit_no_conflict_block): Likewise.
3859 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3861 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
3863 2006-07-15 Roger Sayle <roger@eyesopen.com>
3865 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
3866 a new NOP_EXPR case of the switch statement.
3868 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
3871 * stor-layout.c (place_field): Take the bit field with
3872 an excessive size into account in the ms-bitfiled case.
3875 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
3876 the previous bit field.
3878 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
3881 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
3883 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
3885 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
3886 signal frames correctly even when the signal was installed with
3889 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
3891 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
3892 (dbxout_function_end): Use local label LFBB. Remove hook
3894 (dbxout_source_line): Use local label LFBB.
3895 (dbxout_block): Likewise.
3896 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
3897 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
3898 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
3899 and DBX_OUTPUT_NFUN.
3901 2006-07-13 Janis Johnson <janis187@us.ibm.com>
3903 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
3905 2006-07-13 Jan Hubicka <jh@suse.cz>
3907 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
3909 * output.h (align_variable): Declare.
3910 * varasm.c (align_variable): Export.
3911 * value-prof.c (tree_value_profile_transformations): Recompute iterator
3912 when basic block changed.
3914 2006-07-13 Nick Clifton <nickc@redhat.com>
3916 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
3917 walking the LOG_LINKS chain.
3919 2006-07-12 Geoffrey Keating <geoffk@apple.com>
3921 * doc/invoke.texi (C++ Dialect Options): Explain difference
3922 between -fvisibility-inlines-hidden and setting hidden
3923 visibility explicitly.
3925 2006-07-12 Eric Christopher <echristo@apple.com>
3927 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
3928 (stmp-lipo): Depend on libgcc.a.
3930 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
3932 * tree.c: Fix a comment typo.
3934 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
3936 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
3938 (umulhisi3_r): Likewise.
3940 2006-07-12 Paolo Carlini <pcarlini@suse.de>
3943 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
3944 x < 19, vs wchar_t support.
3946 2006-07-12 Nick Clifton <nickc@redhat.com>
3948 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
3949 instead of -isa=sh4.
3951 2006-07-12 Mike Stump <mrs@apple.com>
3953 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
3955 2006-07-10 Eric Christopher <echristo@apple.com>
3957 * config/t-slibgcc-darwin: Rewrite.
3959 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3962 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
3965 2006-07-08 Matthias Klose <doko@debian.org>
3967 * doc/sourcebuild.texi: Fix typo.
3969 2006-07-07 Mike Stump <mrs@apple.com>
3971 * toplev.c (process_options): Don't give -ffunction-sections may
3972 affect debugging warning for Mach-O.
3974 2006-07-07 James E Wilson <wilson@specifix.com>
3976 * config/mips/mips.md (cpu): Add sb1a.
3977 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
3978 addition to sb1. Adjust comments to clarify SB-1A differences from
3980 (ir_sb1a_load): New. Modify bypasses to use it.
3981 (ir_sb1a_simple_alu): Likewise.
3982 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
3983 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
3984 (mips_issue_rate): Add PROCESSOR_SB1A.
3985 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
3986 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
3987 (TARGET_SB1): Add PROCESSOR_SB1A check.
3988 (TUNE_SB1): Likewise.
3990 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
3991 * config/mips/mips.c (mips_store_data_bypass_p): New.
3992 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
3993 store_data_bypass_p.
3995 2006-07-08 Paul Brook <paul@codesourcery.com>
3998 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4000 2006-07-07 Richard Guenther <rguenther@suse.de>
4003 * tree.h (build_one_cst): Declare.
4004 * tree.c (build_one_cst): New function.
4005 * tree-ssa-math-opts.c (get_constant_one): Remove.
4006 (insert_reciprocals): Use build_one_cst.
4007 * fold-const.c (fold_plusminus_mult): Likewise.
4009 2006-07-07 Roger Sayle <roger@eyesopen.com>
4011 * pointer-set.c (pointer_set_destroy): Correct whitespace.
4012 * cfgloopanal.c (dump_graph): Likewise.
4013 * dojump.c (discard_pending_stack_adjust): Likewise.
4014 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4016 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4017 * function.c (finalize_block_changes): Likewise.
4018 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4019 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4020 * rtl.c (dump_rtx_statistics): Likewise.
4021 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4023 * varray.c (dump_varray_statistics): Likewise.
4024 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4025 decode_decimal64, encode_decimal128, decode_decimal128,
4026 decimal_real_to_decimal): Likewise.
4028 2006-07-07 Richard Guenther <rguenther@suse.de>
4030 PR tree-optimization/28187
4031 * tree-vrp.c (vrp_operand_equal_p): New function.
4032 (vrp_bitmap_equal_p): Likewise.
4033 (update_value_range): Use them to compare old and new
4036 2006-07-06 Roger Sayle <roger@eyesopen.com>
4038 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4039 a default case to switch statement to silence compiler warnings.
4041 2006-07-06 Roger Sayle <roger@eyesopen.com>
4044 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4045 the configured assembler supports the x87's ffreep mnemonic.
4046 * configure: Regenerate.
4047 * config.in: Regenerate.
4049 * config/i386/i386.c (output_387_ffreep): New function.
4050 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4051 (output_387_reg_move): Likewise.
4053 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
4055 Port to hosts whose 'sort' and 'tail' implementations
4056 treat operands with leading '+' as file names, as POSIX
4057 has required since 2001. However, make sure the code still
4058 works on pre-POSIX hosts.
4059 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4060 which says you should use "tail -c +N" rather than "tail +Nc".
4061 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4063 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
4065 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4068 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4071 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4072 PRE_{INC,DEC} of TFmode.
4074 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4075 Alan Modra <amodra@bigpond.net.au>
4078 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4081 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4084 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4085 Remove duplicate gtu.
4087 2006-07-05 Jason Merrill <jason@redhat.com>
4091 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4092 * c-common.c (handle_packed_attribute): So don't copy it here.
4093 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4095 2006-07-05 Mike Stump <mrs@apple.com>
4097 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4099 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4102 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4104 2006-07-05 Richard Guenther <rguenther@suse.de>
4107 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4108 TARGET_SSE2 targets if using SSE math.
4109 (*absdf2_1): Likewise.
4111 2006-07-05 Richard Guenther <rguenther@suse.de>
4113 PR tree-optimization/28162
4114 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4115 make sure to convert the operands to the correct type.
4117 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4119 PR tree-optimization/28218
4121 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4122 to calculate and free the dominator information.
4124 2006-07-04 Peter O'Gorman <peter@pogma.com>
4126 * mklibgcc.in: chmod 644 before ranlib during install.
4128 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4129 J"orn Rennecke <joern.rennecke@st.com>
4131 * configure.ac (.eh_frame data check): Use diff -b.
4133 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4136 * Makefile.in (BUILD_RTL): Add build/vec.o.
4137 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4138 (build/genextract): Delete.
4139 (build/genautomata): Likewise.
4141 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4144 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4145 128-bit IBM long doubles for ABI_V4.
4147 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4149 * tree.c (range_in_array_bounds_p): New predicate.
4150 * tree.h (range_in_array_bounds_p): Declare it.
4151 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4152 return a less conservative answer.
4153 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4154 and flag 'is_group'.
4155 (IS_ELEMENT_FOR_GROUP): New macro.
4156 (FOR_EACH_ACTUAL_CHILD): Likewise.
4157 (next_child_for_group): New helper function.
4158 (can_completely_scalarize_p): Take into account groups.
4159 (sra_hash_tree): Handle RANGE_EXPR.
4160 (sra_elt_eq): Likewise.
4161 (lookup_element): Be prepared for handling groups.
4162 (is_valid_const_index): Delete.
4163 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4164 instead of is_valid_const_index.
4165 <ARRAY_RANGE_REF>: New case.
4166 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4167 is_valid_const_index.
4168 <ARRAY_RANGE_REF>: Do not unconditionally punt.
4169 (scan_dump): Dump info for groups too.
4170 (decide_instantiation_1): Likewise.
4171 (decide_block_copy): Assert that the element is not a group.
4172 Propagate decision to groups.
4173 (generate_one_element_ref): Handle RANGE_EXPR.
4174 (mark_no_warning): Iterate over actual childs.
4175 (generate_copy_inout): Likewise.
4176 (generate_element_copy): Likewise.
4177 (generate_element_zero): Likewise.
4178 (generate_element_init_1): Likewise.
4179 (dump_sra_elt_name): Handle RANGE_EXPR.
4181 2006-07-03 Roger Sayle <roger@eyesopen.com>
4183 PR tree-optimization/26251
4184 * tree-ssa-threadupdate.c (redirection_block_p): New function.
4185 (thread_block): When optimizing for size refuse to thread jumps
4186 that would require duplication of blocks other than redirection
4189 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4191 * configure.ac: Fix thinko in previous check-in.
4192 * configure: Regenerate.
4194 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4197 * configure.ac (for lang...): Simplify nesting of conditionals.
4198 Test subdir_requires for non-enabled languages. Move processing
4199 of lang_opt_files and lang_tree_fiels below that test.
4200 * configure: Regenerate.
4201 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4203 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4205 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4207 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4209 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4212 2006-06-29 Jason Merrill <jason@redhat.com>
4219 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4220 * c-common.c (c_determine_visibility): Handle it here.
4221 * c-decl.c (finish_decl): Call c_determine_visibility for
4223 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4225 * varasm.c (default_assemble_visibility): Likewise.
4226 * c-common.c (handle_visibility_attribute): Complain about trying
4227 to give visibility to an already defined class, or trying to change
4228 declared visibility. Always attach the attribute.
4233 * attribs.c (decl_attributes): Ignore type-in-place attributes
4234 once the type has been defined.
4236 2006-06-29 Roger Sayle <roger@eyesopen.com>
4239 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4240 to indicate the cpplib has issued an error message for us.
4242 2006-06-29 Asher Langton <langton2@llnl.gov>
4245 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4246 insert a label at the end of an function under Mach-O.
4248 2006-06-29 Eric Christopher <echristo@apple.com>
4249 Evan Cheng <evan.cheng@apple.com>
4251 * predicates.md (vector_all_ones_operand): New.
4252 (nonimmediate_or_sse_const_operand): Ditto.
4253 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4254 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4255 (standard_sse_mode_p): Ditto.
4256 (standard_sse_constant_p): Add case for -1 vector.
4257 (ix86_expand_vector_move): Try to use.
4258 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4259 Call standard_sse_constant_opcode.
4260 (*movv4sf_internal): Ditto.
4261 (*movv2df_internal): Ditto.
4263 2006-06-29 Roger Sayle <roger@eyesopen.com>
4265 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4266 of XEXP to extract the operands of a MATCH_CODE rtx.
4268 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4270 * tree.c (tree_size): Do not waste tail padding in
4271 struct tree_string and make the size be the same as
4272 build_string will generate.
4274 2006-06-28 Jason Merrill <jason@redhat.com>
4277 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4278 may_aliases already in the tag's annotations to the bitmap.
4280 2006-06-28 Roger Sayle <roger@eyesopen.com>
4282 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4284 2006-06-28 Roger Sayle <roger@eyesopen.com>
4286 * genpreds.c (generate_switch_p): New function.
4287 (add_mode_tests): Push the new mode test down inside an AND expr
4288 if this allows the switch-suitable MATCH_CODE to be near the root.
4289 (write_match_code_switch): New function to write a MATCH_CODE as
4291 (write_predicate_stmts): New function to write a predicate RTX
4292 expression as a sequence of statements.
4293 (write_one_predicate_function): Use write_predicate_stmts.
4294 (write_tm_constrs_h): Likewise.
4296 2006-06-26 Fred Fish <fnf@specifix.com>
4298 * config/mips/t-sb1: New file.
4299 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4302 2006-06-26 DJ Delorie <dj@redhat.com>
4304 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4306 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4307 Jayant Sonar <jayants@kpitcummins.com>
4308 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4310 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4311 (subsi3, subsi3_1, subsi3_2): New.
4312 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4313 * config/m32c/mov.md (SI mov peephole): New.
4314 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4315 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4317 2006-06-26 Olivier Hainque <hainque@adacore.com>
4319 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4320 a CALL_EXPR target function declaration.
4322 2006-06-26 Richard Guenther <rguenther@suse.de>
4324 * tree.c (build_string): Do not waste tail padding in
4327 2006-06-26 Richard Guenther <rguenther@suse.de>
4329 * ggc-page.c (init_ggc): Add missing element to size_lookup
4333 2006-06-23 Richard Guenther <rguenther@suse.de>
4335 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4336 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4337 alignment requests instead. Add verification code.
4338 Add struct tree_function_decl and struct tree_binfo size to
4339 extra_order_size_table. Add missing element to size_lookup
4342 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4345 * fold-const.c (const_binop): Be prepared for self returning zero.
4346 Simplify code handling complex values.
4348 2006-06-24 Olivier Hainque <hainque@adacore.com>
4350 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4351 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4354 2006-06-24 Olivier Hainque <hainque@adacore.com>
4356 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4357 ARRAY_REF, so have the callback called for the low bound expression.
4359 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4361 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4362 * c-typeck.c (c_common_type): Disallow operations on decimal float
4363 types and other float types.
4364 * convert.c (convert_to_real): Don't ignore conversions involving
4365 decimal float types.
4367 2006-06-23 Olivier Hainque <hainque@adacore.com>
4369 * tree.c (max_int_size_in_bytes): New function, inspired from
4370 code in function.c:assign_temp.
4371 * tree.h (max_int_size_in_bytes): Declare.
4372 * function.c (assign_temp): Use it.
4373 * gimplify.c (create_tmp_var): Relax the assertions on the type
4374 properties, not mandating constant size any more.
4375 (force_constant_size): New static function.
4376 (gimple_add_tmp_var): Use it, forcing variable size to a
4377 constant upper bound if it is not constant on entry.
4379 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4382 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4383 for initialization and setting of one_only flag to ...
4384 (i386_pe_encode_section_info): ...here.
4385 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4386 Recheck that the symbol has not been defined.
4388 2006-06-23 Richard Guenther <rguenther@suse.de>
4390 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4391 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4392 alignment requests instead. Add verification code.
4393 Add struct tree_function_decl and struct tree_binfo size to
4394 extra_order_size_table. Add missing element to size_lookup
4397 2006-06-22 Roger Sayle <roger@eyesopen.com>
4398 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4401 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4402 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4404 2006-06-23 Ben Elliston <bje@au.ibm.com>
4406 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4407 negate dn -- manipulate it directly.
4409 2006-06-22 Roger Sayle <roger@eyesopen.com>
4410 Steven Bosscher <stevenb.gcc@gmail.com>
4413 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4414 generated by gen_move_insn to add REG_LABEL notes if necessary.
4416 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4418 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4419 (leaf_entry): Remove use of MIN_ESA.
4421 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4423 PR rtl-optimization/28121
4424 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4427 2006-06-21 DJ Delorie <dj@redhat.com>
4429 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4431 (mulhisi3_r): Likewise.
4433 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4436 * coverage.c (coverage_counter_alloc): Leave the index type
4438 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4441 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4443 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4444 section from the "Options for Code Generation Conventions".
4446 2006-06-21 Richard Henderson <rth@redhat.com>
4450 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4452 (global_symbolic_operand): Allow weak symbols, even if local_p.
4454 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4456 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4457 (find_interesting_uses_address): Punt if above function returns true.
4459 2006-06-21 Richard Guenther <rguenther@suse.de>
4461 * configure: Regenerated.
4463 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4465 * config/mips/mips.c (function_arg): Where one part of a
4466 complex argument is in registers and the other part in the stack,
4467 return a REG not a PARALLEL.
4469 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4471 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4472 when cross-compiling. Do not substitute libstdcxx_incdir.
4473 * configure: Regenerated.
4475 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4477 * varasm.c (mergeable_string_section): Check for embedded NULs and
4478 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4479 rather than TREE_STRING_LENGTH bytes.
4481 2006-06-21 Richard Guenther <rguenther@suse.de>
4483 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4484 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4487 2006-06-21 Richrad Guenther <rguenther@suse.de>
4489 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4490 Limit iteration over the dominators.
4492 2006-06-20 Roger Sayle <roger@eyesopen.com>
4494 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4495 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4497 2006-06-20 Richard Guenther <rguenther@suse.de>
4498 Michael Matz <matz@suse.de>
4500 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4502 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4503 * et-forest.h (et_free_pools): Prototype new function.
4504 * et-forest.c (et_free_tree_force): Free parent occurrence.
4505 (et_free_pools): New function.
4506 * dominance.c (free_dominance_info): Free et-forest alloc
4509 2006-06-20 Roger Sayle <roger@eyesopen.com>
4511 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4512 integer modes, attempt to directly construct an integer constant.
4514 * fold-const.c (native_encode_vector): Determine the size of each
4515 element from the vector type instead of the first vector element.
4517 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4518 if all of its elements/components are constant.
4519 (build_constructor_from_list): Likewise.
4521 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4523 PR tree-optimization/27331
4524 * tree-data-ref.c (free_data_ref): New function.
4525 (create_data_ref): Fail if the data reference has unknown access
4527 (free_data_refs): Use free_data_ref.
4529 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4532 * tree-inline.c (setup_one_parameter): Strip useless
4533 type conversion before adding it to the IR.
4534 (declare_return_variable): Likewise.
4536 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4539 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4541 2006-06-19 Mike Stump <mrs@apple.com>
4543 * tree.c (variably_modified_type_p): VM arguments don't make the
4546 2006-06-19 Richard Guenther <rguenther@suse.de>
4548 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4549 type conversions after folding.
4551 2006-06-19 Richard Guenther <rguenther@suse.de>
4553 * ggc-page.c (extra_order_size_tab): Add entries with
4554 size of struct function and basic_block.
4555 (size_lookup): Extend to cover sizes up to 511.
4556 (ggc_alloc_stat): Adjust user.
4557 (ggc_pch_count_object): Likewise.
4558 (ggc_pch_alloc_object): Likewise.
4559 (ggc_pch_write_object): Likewise.
4561 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4563 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4564 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4567 2006-06-19 Denis Chertykov <denisc@overta.ru>
4569 * config/avr/libgcc.S : Correct my wrong previous commit.
4571 2006-06-19 Roger Sayle <roger@eyesopen.com>
4574 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4575 have stripped a SUBREG from the shift count, so we may need to
4576 convert_to_mode back to the type's mode before calling make_tree.
4577 Use new_amount instead of amount to avoid expanding a tree twice.
4579 2006-06-19 Richard Guenther <rguenther@suse.de>
4582 * fold-const.c (operand_equal_p): Check if the argument types
4583 have the same precision before stripping NOPs.
4585 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4587 Fix PR tree-optimization/27341
4588 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4590 * tree-complex.c (pass_lower_complex): Update SMT usage.
4592 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4594 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4595 Add a new alternative to the constraint strings. Add move of
4596 operand 1 to 3 to the splitter definition.
4597 ("doloop_si_long"): Second contraint alternative removed.
4599 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4601 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4602 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4604 (AVR_HAVE_MOVW) Define.
4605 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4606 (ASM_SPEC): Add avr25.
4607 (LINK_SPEC): Add avr25.
4608 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4609 (base_arch_s): Add new member 'have_movw_lpmx'.
4610 (avr_arch_types): Init 'have_movw_lpmx'.
4611 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4612 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4613 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4614 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4615 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4617 (avr_file_start): Do not output '.arh' derective.
4618 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4619 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4620 * config/avr/avr.md (mcu_enhanced): Delete.
4621 (mcu_have_movw): Define.
4622 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4623 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4624 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4625 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4626 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4627 attiny861 and at86rf401 devices.
4629 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4631 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4634 2006-06-17 Karl Berry <karl@gnu.org>
4636 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4637 doc/gccint.texi, doc/install.texi (@dircategory): Use
4638 "Software development" instead of "Programming", following
4639 the Free Software Directory.
4641 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4643 * config/i386/i386.c (legitimate_tls_address)
4644 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4645 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4646 (*tls_dynamic_gnu2_combine_64): Likewise.
4648 2006-06-16 Richard Guenther <rguenther@suse.de>
4651 * fold-const.c (negate_expr_p): Do not introduce undefined
4652 overflow in negating INTEGER_CSTs.
4653 (fold_negate_expr): Rename from negate_expr. Revert last
4654 change for folding BIT_NOT_EXPR. Change semantics to
4655 return NULL_TREE for non-simplified negations. Do not
4656 strip type conversions and unify type handling.
4657 (negate_expr): New function, wrap around fold_negate_expr
4658 but ensure building a tree always. Strip type conversions
4659 here, fold to result type.
4660 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4662 2006-06-16 Roger Sayle <roger@eyesopen.com>
4665 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4666 that (would) return their results in stack registers.
4668 2006-06-16 Michael Matz <matz@suse.de>
4669 Richard Guenther <rguenther@suse.de>
4671 * fold-const.c (fold_truthop): Only return new tree node if
4672 we canonicalized something.
4674 2006-06-16 Richard Guenther <rguenther@suse.de>
4676 * function.h (enum function_frequency): Move declaration
4677 out of struct function.
4678 (struct function): Move bool fields and the enum to the bitfield
4679 section. Reorder elements to avoid padding. Remove unused
4680 fields left over from the RTL inliner removal.
4681 * function.c (free_after_compilation): Do not zero removed fields.
4682 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4683 (ipa-type-escape.o): Likewise.
4685 2006-06-16 Richard Guenther <rguenther@suse.de>
4687 * cgraph.h (struct cgraph_local_info): Turn bool elements
4689 (struct cgraph_node): Likewise.
4690 (struct cgraph_varpool_node): Likewise.
4692 2006-06-15 Richard Guenther <rguenther@suse.de>
4694 * fold-const.c (fold_truth_not_expr): Rename from
4695 invert_truthvalue. Give it fold_* semantics to avoid
4697 (invert_truthvalue): New function. Wrapper around
4698 fold_truth_not_expr.
4699 (optimize_minmax_comparison): Avoid creating garbage.
4700 (fold_unary): Use fold_truth_not_expr for folding
4702 (fold_ternary): Replace uses of invert_truthvalue with
4703 fold_truth_not_expr where applicable.
4704 * tree.h (fold_truth_not_expr): Prototype.
4706 2006-06-16 Richard Guenther <rguenther@suse.de>
4708 PR tree-optimization/27781
4709 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4710 * ipa-pure-const.c (target.h): Include.
4711 (analyze_function): Do not analyze functions that do not
4714 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4717 * tree-dfa.c (referenced_vars_dup_list): Remove.
4718 (find_referenced_vars): Remove assert.
4719 (referenced_var_check_and_insert): Replace dup list with assert.
4720 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4721 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4723 2006-06-15 Richard Guenther <rguenther@suse.de>
4725 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4726 extra unused identifiers if not dumping.
4727 (create_variable_info_for): Likewise.
4729 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4731 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4732 (derive_constant_upper_bound): Derive more precise upper bound in
4733 common cases. Return type changed to double_int.
4734 (record_estimate): Reflect the changed return type of
4735 derive_constant_upper_bound.
4736 * double-int.c (double_int_zext, double_int_sext): Fix.
4738 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4740 * configure.ac (CFLAGS): Get them from the toplevel or from the
4741 configure invocation.
4742 * configure: Regenerate.
4743 * Makefile.in (CFLAGS): Substitute value provided by configure.
4745 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4748 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4749 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4750 rather than calling add_stmt on it.
4751 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4753 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4756 * reload1.c (reload): Remove registers returned by update_eliminables
4757 from used_spill_regs.
4759 2006-06-13 DJ Delorie <dj@redhat.com>
4761 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4763 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4765 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4766 html__strip_dir, html__mkdir_p. Enhance install-html target.
4767 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4768 * configure: Regenerate.
4770 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4772 * fold-const.c (fold_cond_expr_with_comparison): Check for
4773 Objective-C++ as language in deciding COND_EXPR transformation.
4775 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
4778 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
4779 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
4780 * config/sh/lib1funcs.h (SL, SL1): Define.
4781 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
4782 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
4783 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
4784 (OBJS_Os_4_200): New variable.
4785 ($(T)libgcc-Os-4-200.a): Use it.
4786 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
4787 when dividing 1 and/or by 0.
4789 2006-06-13 Roger Sayle <roger@eyesopen.com>
4791 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
4792 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
4793 * configure: Regenerate.
4795 2006-06-13 Jie Zhang <jie.zhang@analog.com>
4797 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
4798 for real instruction.
4800 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4803 * haifa-sched.c (check_cfg): Handle special case.
4805 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4808 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4809 Add debug_info parameter. Chain the vars to the BLOCK instead
4810 of the BIND_EXPR if debug info are requested for them.
4811 (pop_gimplify_context): Adjust for above change.
4812 (gimple_add_tmp_var): Likewise.
4813 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4815 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4816 (convert_local_reference): Likewise.
4817 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4818 (finalize_nesting_tree_1): Request that debug info be emitted
4819 for debug_var_chain.
4821 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4823 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4824 for PR target/27863.
4826 2006-06-13 Richard Guenther <rguenther@suse.de>
4829 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4831 2006-06-13 Richard Guenther <rguenther@suse.de>
4833 PR tree-optimization/27830
4834 * tree-inline.c (copy_body_r): For copying the operand
4835 of an ADDR_EXPR make sure to fold &* afterwards.
4837 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4839 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4840 lvalues in the fb_none case with side-effects.
4842 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4844 * tree-flow.h: Remove the prototype for
4845 compute_phi_arg_on_exit.
4846 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4847 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4850 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4852 * builtins.c (expand_builtin_return_addr): Only use
4853 frame_pointer_rtx when count == 0 and we are expanding
4854 __builtin_return_address.
4856 2006-06-12 Fred Fish <fnf@specifix.com>
4858 * config/mips/mips.c (mips_file_start): Create special section
4859 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
4861 2006-06-11 Eric Christopher <echristo@apple.com>
4864 * stor-layout.c (place_field): Remove check for
4865 remaining_in_alignment when aligning at the end of a run.
4867 2006-06-11 Eric Christopher <echristo@apple.com>
4870 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
4873 2006-06-11 Roger Sayle <roger@eyesopen.com>
4876 Revert incorrect fix for PR target/27158
4877 2006-05-08 Roger Sayle <roger@eyesopen.com>
4878 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4879 of a reg_equiv_constant if the result is a legitimate constant.
4881 2006-06-11 Roger Sayle <roger@eyesopen.com>
4884 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
4885 extract a CONST_VECTOR element and interpret it as an integer.
4886 (vspltis_constant): Use const_vector_elt_as_int instead of the
4887 macro CONST_VECTOR_ELT in order to handle FP vector modes.
4888 * config/rs6000/predicates.md (easy_vector_const): Consider
4889 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
4891 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
4894 * stor-layout.c (update_alignment_for_field): Don't add extra
4895 alignment for packed non-bitfield fields in ms_bitfield_layout_p
4898 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
4900 * config/mips/t-rtems: Add EL/EB multilib variants.
4902 2006-06-09 Mike Stump <mrs@apple.com>
4904 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
4906 2006-06-09 David Daney <ddaney@avtrex.com>
4908 * doc/install.texi: Add binutils version recommendation for mips-*-*.
4910 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
4912 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
4914 2006-06-09 Richard Guenther <rguenther@suse.de>
4916 PR tree-optimization/26998
4917 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
4918 of signed types, only TYPE_MIN_VALUE is special, but for both,
4919 minimum and maximum value. Likewise VR_ANTI_RANGE is special
4920 in this case, as is -fwrapv.
4922 2006-06-08 Mike Stump <mrs@apple.com>
4925 * config/darwin.c (darwin_asm_output_anchor): Disable
4926 -fsection-anchors on darwin for now.
4927 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
4928 * rs6000/rs6000.c (optimization_options): Likewise.
4930 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4933 * config/i386/i386.c (classify_argument): Skip fields with invalid
4936 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
4938 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
4939 (cse_insn): Likewise for the stack_pointer_rtx.
4941 2006-06-08 Roger Sayle <roger@eyesopen.com>
4943 * tree-ssa-dom.c (record_conditions): Only record "unordered"
4944 conditions from floating point comparisons.
4946 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
4949 * expmed.c (struct alg_hash_entry): Fix type of field T
4950 to match synth_mult argument.
4951 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
4953 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4956 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
4959 2006-06-08 Richard Guenther <rguenther@suse.de>
4962 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
4963 only, if overflow is defined and not trapping.
4964 (negate_expr): Likewise.
4966 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4968 PR tree-optimization/27872
4969 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
4970 flag on the new exit edge of the unrolled loop.
4972 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4974 PR rtl-optimization/26449
4975 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
4977 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
4980 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
4981 referenced_variables with matching DECL_UID's.
4982 (find_referenced_vars): Make sure duplicate list is empty to start.
4983 (referenced_var_p): Remove.
4984 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
4985 Check if var is in the list, and add if needed. Update the duplicate
4986 list if a different var is in the list with the same DECL_UID.
4987 (add_referenced_var): Call routine to check and insert.
4988 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
4989 * tree-flow.h (referenced_vars_dup_list): External declaration.
4991 2006-06-07 Fred Fish <fnf@specifix.com>
4993 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
4996 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
4999 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5000 the imaginary and real parts of a clobbered register.
5001 Emit insn to set the imaginary part.
5003 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
5005 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5006 in lieu of unwind-dw2-fde.c.
5008 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5010 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5012 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
5015 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5016 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5017 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5018 V4SImode temporaries and operations instead.
5020 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
5022 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5025 2006-06-06 Mike Stump <mrs@apple.com>
5027 * Makefile.in: Rename to htmldir to build_htmldir to avoid
5028 installing during build.
5030 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5032 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5034 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5035 * config/ia64/ia64.c (params.h): New header.
5036 (ia64_optimization_options): New function to adjust parameters.
5037 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5038 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5039 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5041 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
5043 * stor-layout.c (debug_rli): Fix a typo in a debug message.
5045 2006-06-05 Steve Ellcey <sje@cup.hp.com>
5048 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5050 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
5051 Victor Kaplansky <victork@il.ibm.com>
5053 PR tree-optimization/26360
5054 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5057 2006-06-04 Roger Sayle <roger@eyesopen.com>
5058 Andrew Pinski <pinskia@physics.uc.edu>
5061 * c-common.c (c_common_truthvalue_conversion): Explicitly check
5062 for LABEL_DECL before calling DECL_WEAK.
5065 * c-typeck.c (build_binary_op): Likewise, explicitly check for
5066 LABEL_DECL and PARM_DECL.
5068 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
5072 * c-decl.c (grokdeclarator): Disallow variably modified types at
5073 file scope. Avoid marking shared array type of constant size as
5076 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5079 * c-common.c (fold_offsetof_1): Handle static members.
5081 2006-06-04 Eric Christopher <echristo@apple.com>
5083 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5084 (debug_rli): Output value for remaining_in_alignment.
5085 (update_alignment_for_field): Unconditionalize
5086 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5087 extra alignment code.
5088 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5089 ms_bitfield_layout_p code. Rewrite handling of structure fields.
5090 * tree.h (record_layout_info_s): Remove prev_packed.
5091 * doc/extend.texi (ms_struct): Add documentation of format.
5093 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5095 * tree.h: Declare folding_initializer.
5096 * builtins.c (fold_builtin_constant_p): Give definite answer
5097 if folding inside an initializer.
5098 * fold-const.c: Define folding_initializer.
5099 (START_FOLD_INIT): Save and then set folding_initializer.
5100 (END_FOLD_INIT): Restore folding_initializer.
5102 2006-06-04 Richard Guenther <rguenther@suse.de>
5104 PR tree-optimization/27039
5105 * fold-const.c (fold_comparison): Handle pointer comparison
5106 again for all comparison codes. Compare offsets in signed
5108 (fold_binary): Move code from here.
5110 2006-06-03 Roger Sayle <roger@eyesopen.com>
5113 * config/i386/i386.c (construct_container): Split static issued_error
5114 flag into issued_sse_arg_error, issued_sse_ret_error and
5115 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5116 requires the use of x87 registers and the user explicitly
5117 specified the -mno-80387 command line option.
5119 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5121 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5122 HAVE_DECL_SIGALTSTACK.
5124 (segv_handler): Use MC_FLD.
5125 * configure.ac: Check for a sigaltstack declaration.
5126 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5127 * configure: Regenerate.
5128 * config.in: Regenerate.
5130 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5133 * Makefile.in (stmp-fixinc): Fix typo.
5135 2006-06-02 Roger Sayle <roger@eyesopen.com>
5137 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5138 are type correct. Clean-up.
5139 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5140 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5142 2006-06-01 DJ Delorie <dj@redhat.com>
5144 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5145 shift, as we've disabled the "switch" insn that needs it.
5147 2006-06-01 Per Bothner <bothner@bothner.com>
5149 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5150 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5151 * c-ppoutput.c (cb_define): Don't increment line 0.
5153 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
5155 * doc/invoke.texi: Add cpu_type power6.
5156 * config.gcc: Add cpu_type power6.
5157 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5158 to power5+ with Altivec.
5159 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5160 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5162 2006-05-30 Anatoly Sokolov <aesok@post.ru>
5164 * config/avr/avr.h (SET_ASM_OP): Define.
5166 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
5168 * config/bfin/bfin.c: Fix comment typos.
5170 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5173 * doc/install.texi: Document --enable-bootstrap and
5174 --disable-bootstrap.
5176 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5178 * doc/install.texi: Document that InfoZIP can replace jar.
5180 2006-05-31 Roger Sayle <roger@eyesopen.com>
5182 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5183 isn't available, directly generate the simpler x87 patterns without
5184 the (use (const_int 0)).
5185 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5186 implementation isn't available.
5187 (*negdf2_1): Likewise.
5188 (*negxf2_1): XF mode negation is always done using the x87.
5189 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5191 2006-05-31 Roger Sayle <roger@eyesopen.com>
5193 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5194 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5196 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5198 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5200 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5201 * config/bfin/bfin.c (basic-block.h): Include.
5202 (struct machine_function): New.
5203 (bfin_init_machine_status): New.
5204 (override_options): Initialize init_machine_status.
5205 (bfin_hardware_loop): New.
5206 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5207 (DEF_VEC_P (loop_info)): New.
5208 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5209 (struct loop_info): New.
5210 (loop_info): New typedef.
5211 (struct loop_work): New.
5212 (loop_work): New typedef.
5213 (DEF_VEC_O (loop_work)): New.
5214 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5215 (bfin_dump_loops): New.
5216 (bfin_bb_in_loop): New.
5217 (bfin_scan_loop): New.
5218 (bfin_optimize_loop): New.
5219 (bfin_reorg_loops): New.
5220 (bfin_reorg): Use bfin_reorg_loops.
5221 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5223 (I_REGNO_P): Simplify.
5224 (DP_REGNO_P, DPREG_P): New macros.
5225 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5226 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5227 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5228 Add LT_REGS, LC_REGS, LB_REGS.
5229 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5231 (REGNO_REG_CLASS): Deal with loop registers.
5232 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5234 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5235 New constants for loop registers.
5236 (UNSPEC_LSETUP_END): New.
5237 (seq_insns): New define_attr. Set it for appropriate insns.
5238 (movsi_insn): Add alternatives for move from/to
5239 loop count registers.
5240 (doloop_end): New define_expand.
5241 (loop_end): New define_insn.
5242 (define_split for bad doloop_end): New.
5243 (lsetup_with_autoinit): New define_insn.
5244 (lsetup_without_autoinit): New define_insn.
5245 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5246 * config/bfin/predicates.md (lc_register_operand): New.
5247 (lt_register_operand): New.
5248 (lb_register_operand): New.
5249 (nondp_register_operand): New.
5250 (nondp_reg_or_memory_operand): New.
5251 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5253 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5255 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5256 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5258 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5260 * Makefile.in (CATALOGS): Add po/ prefix.
5261 * configure: Regenerated.
5263 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5266 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5267 a shift operand before calling shift_op. Avoid redundant call of
5270 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5271 DJ Delorie <dj@redhat.com>
5273 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5274 we're inserting is a singlt-bit constant.
5276 2006-05-30 Roger Sayle <roger@eyesopen.com>
5278 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5279 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5281 2006-05-30 Roger Sayle <roger@eyesopen.com>
5283 PR tree-optimization/23452
5284 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5285 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5286 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5287 complex values and with -ffast-math for FP complex values.
5289 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5291 * c-common.h: Remove the prototype for yyparse.
5292 * rtl.h: Remove the prototype for init_loop.
5294 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5296 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5299 2006-05-30 Roger Sayle <roger@eyesopen.com>
5301 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5303 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5304 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5306 2006-05-30 Dirk Mueller <dmueller@suse.de>
5309 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5310 for CONSTANT_CLASS_P expresisons.
5312 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5315 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5317 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5319 PR tree-optimization/27779
5320 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5321 initial_condition instead of CHREC_LEFT.
5323 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5325 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5326 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5327 Make prototypes ISO C90.
5329 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5330 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5332 * see.c (see_analyze_one_def): Correct check.
5333 (see_get_extension_data): Check if extension is parallel.
5334 (see_get_extension_reg): Likewise.
5336 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5339 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5340 into register for (code == GTU).
5342 2006-05-29 Roger Sayle <roger@eyesopen.com>
5344 PR tree-optimization/24964
5345 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5346 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5347 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5348 abs(x)*abs(x) as x*x for scalar floating point modes.
5350 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5353 * lambda-code.c (perfect_nestify): Don't copy statements
5354 in the inner loop: move them to the inner loop header.
5356 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5359 * c-tree.texi: Document OpenMP directives and clauses.
5361 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5363 * varasm.c (globalize_decl): Fix indentation.
5365 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5368 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5369 pass_fre, pass_store_ccp, pass_copy_prop,
5370 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5371 pass_return_slot, pass_object_size, pass_lim,
5372 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5373 pass_loop_prefetch and pass_stdarg.
5375 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5377 * config/bfin/bfin.opt (mfdpic): New option.
5378 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5379 (EXTRA_MULTILIB_PARTS): Likewise.
5380 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5381 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5383 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5384 (CRT_CALL_STATIC_FUNCTION): New.
5385 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5387 (CRT_CALL_STATIC_FUNCTION): New.
5388 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5390 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5391 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5392 (initialize_trampoline): Changed to handle FD-PIC code generation.
5393 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5394 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5395 (override_options): Disallow -mid-shared-library -mfdpic combination.
5396 Can't do unaligned ops if FD-PIC.
5397 Turn off flag_pic if trying to generate non-id-shared-library
5398 non-fdpic code, since it's not supported.
5399 (bfin_assemble_integer): New function.
5400 (TARGET_ASM_INTEGER): Define.
5401 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5403 * config/bfin/crtn.s: Restore them.
5404 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5406 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5407 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5408 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5409 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5410 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5412 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5413 FDPIC_REGS and FDPIC_FPTR_REGS.
5414 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5415 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5416 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5417 (load_funcdescsi): New pattern.
5418 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5419 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5420 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5422 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5424 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5427 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5429 * tree-flow.h: Remove the prototype for add_type_alias.
5430 * tree-ssa-alias.c (add_type_alias): Remove.
5432 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5434 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5435 config/fr30/fr30.md, config/i386/i386-interix.h,
5436 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5437 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5438 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5439 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5440 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5441 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5442 Follow spelling conventions.
5443 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5444 Follow spelling conventions.
5446 2006-05-27 Richard Guenther <rguenther@suse.de>
5449 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5450 to produce a constant of value 1 of generic type.
5452 2006-05-27 Dirk Mueller <dmueller@suse.de>
5454 * cgraphunit.c (decide_is_function_needed): Fix wrong
5457 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5459 PR rtl-optimization/27661
5460 * reload.c (find_reloads): When reloading a VOIDmode constant
5461 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5462 use Pmode as mode of the reload register.
5464 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5466 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5467 is enabled at -O and above.
5469 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5472 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5475 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5478 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5479 for anonymous variables explicitly declared by front ends.
5481 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5483 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5484 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5485 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5486 ref-all pointers, run a finalization pass for them.
5487 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5488 (finalize_ref_all_pointers): New function.
5489 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5490 regular pointer type to a ref-all pointer type.
5491 (get_tmt_for): Return the special memory tag for ref-all pointers.
5493 2006-05-25 Richard Guenther <rguenther@suse.de>
5496 * fold-const.c (fold_binary): Do not look at the stripped
5497 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5499 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5501 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5502 for LT and GT if the computed range is effectively empty.
5504 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5507 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5508 mips_quad_format formats instead of ieee_single_format,
5509 ieee_double_format and ieee_quad_format formats, respectively.
5511 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5513 PR tree-optimization/27639
5514 PR tree-optimization/26719
5515 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5516 call to scev_probably_wraps_p.
5517 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5518 used_in_pointer_arithmetic_p, convert_step): Removed.
5519 (nowrap_type_p): New function.
5520 (scev_probably_wraps_p): Rewritten.
5521 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5522 chrec_convert if chrec_convert_aggressive might have been used.
5523 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5524 scev_direction): New functions.
5525 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5526 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5527 instead of convert_step.
5528 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5529 (convert_step): Declaration removed.
5530 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5532 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5534 * df-core.c: Added to header comments.
5535 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5536 df_ur_bb_info, df_urec_bb_info): Added comments.
5537 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5538 urec, ri problems): Fixed header comments.
5539 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5540 code from df_rd_transfer_function.
5542 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5544 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5545 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5546 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5548 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5550 * expr.c (undefined_operand_subword_p): New.
5551 (emit_move_multi_word): Do not generate move from undefined bits
5552 of a paradoxical subreg.
5554 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5556 PR rtl-optimization/27736
5557 * combine.c (replaced_rhs_value): New variable.
5558 (combine_instructions): Set it.
5559 (distribute_notes): When distributing a note in replaced_rhs_insn,
5560 check whether the value was used in replaced_rhs_value.
5562 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5565 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5566 add_referenced_var instead of add_referenced_tmp_var.
5567 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5568 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5570 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5571 tree_optimize_tail_calls_1): Use add_referenced_var.
5572 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5573 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5574 Use add_referenced_var.
5575 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5576 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5577 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5578 Use add_referenced_var.
5579 * tree-dfa.c (struct walk_state): Remove.
5580 (find_referenced_vars): Remove walk state and vars_found hash table.
5581 (make_rename_temp): Use add_referenced_var.
5582 (find_vars_r): Pass less parameters to add_referenced_var.
5583 (referenced_var_p): New. Is var in referenced_var hash table.
5584 (referenced_var_insert): Assert var isn't already in hash table.
5585 (add_referenced_var): Don't need walk_state parameter. Add var if it
5586 isn't already in the hash table.
5587 (add_referenced_tmp_var): Remove.
5588 (find_new_referenced_vars_1): Use add_referenced_var.
5589 * tree-ssa-pre.c (create_expression_by_pieces,
5590 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5591 Use add_referenced_var.
5592 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5593 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5594 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5596 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5597 vect_create_data_ref_ptr, vect_create_destination_var,
5598 vect_init_vector, vect_build_loop_niters,
5599 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5600 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5601 Use add_referenced_var.
5602 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5603 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5604 (add_referenced_var): Add prototype.
5605 * tree-ssa-structalias.c (get_constraint_for,
5606 intra_create_variable_infos): Use add_referenced_var.
5608 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5610 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5611 big-endian paradoxical subregs.
5612 * var-tracking.c (struct micro_operation_def): Document that,
5613 for modify micro operations, insn is the subsequent instruction.
5614 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5615 (var_reg_set, var_mem_set): ... new functions.
5616 (add_stores): Record subsequent insn.
5617 (compute_bb_dataflow): Use new functions for MO_USE.
5618 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5619 notes after the insn, and modify notes before the insn known
5620 to be the subsequent one.
5621 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5623 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5626 * config/i386/i386.c (ix86_expand_builtin): Use
5627 gen_sse3_monitor64 for TARGET_64BIT.
5629 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5631 PR rtl-optimization/26375
5632 PR rtl-optimization/26855
5633 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5635 (df_ru_bb_local_compute): Reversed statements and removed bogus
5636 comment explaining why they should be in wrong order.
5637 (df_ru_dump, df_rd_dump): Enhanced debug info.
5638 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5640 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5641 reaching uses and fixed space problem.
5643 2006-05-23 Jan Hubicka <jh@suse.cz>
5645 * cgraphunit.c (decide_is_function_needed): Also nested functions
5646 and functions declared inline can be optimized out at -O0.
5648 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5650 * doc/install.texi (Configuration): Remove reference to CrossGCC
5654 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5657 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5658 ix86_compare_emitted is non-NULL.
5660 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5663 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5666 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5668 PR rtl-optimization/25514
5669 * combine.c (replaced_rhs_insn): New variable.
5670 (combine_instructions): Set replaced_rhs_insn when trying to replace
5671 a SET_SRC with a REG_EQUAL note.
5672 (distribute_notes): Use replaced_rhs_insn when determining the live
5673 range of a REG_DEAD register.
5675 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5676 Anatoly Sokolov <aesok@post.ru>
5678 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5679 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5680 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5681 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5682 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5683 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5684 at90usb647, at90usb1286 and at90usb1287 devices.
5685 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5686 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5688 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5690 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5692 2006-05-22 Richard Guenther <rguenther@suse.de>
5695 2006-01-31 Richard Guenther <rguenther@suse.de>
5696 Paolo Bonzini <bonzini@gnu.org>
5698 * doc/install.texi (--disable-libgcc-math): Document.
5700 2006-05-22 Richard Guenther <rguenther@suse.de>
5703 2006-01-31 Richard Guenther <rguenther@suse.de>
5705 * doc/invoke.texi (-msselibm): Document.
5706 * target.h (expand_library_builtin): New target hook.
5707 * builtins.c (expand_builtin): Use expand_library_builtin.
5708 (default_expand_library_builtin): New function.
5709 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5710 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5711 (link_gcc_math_spec): Declare.
5712 (static_specs): Add link_gcc_math_spec.
5713 * expr.h (default_expand_library_builtin): Declare.
5714 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5715 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5716 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5717 * config/i386/i386.opt (msselibm): New target option.
5718 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5719 (ix86_init_sse_abi_builtins): New function.
5720 (ix86_expand_library_builtin): Likewise.
5721 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5722 (override_options): Handle error conditions wrt -msselibm.
5723 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5724 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5725 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5728 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5731 * c-common.c (self_promoting_args_p): Skip erroneous args.
5734 * c-decl.c (finish_struct): Skip erroneous fields.
5736 2006-05-22 Nick Clifton <nickc@redhat.com>
5738 * config/cris/cris.opt (march): Remove VarExists attribute.
5739 (max-stackframe=): Likewise.
5741 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5743 * doc/rtl.texi: Fix a typo.
5744 * see.c: Fix comment typos.
5746 * tree-ssa-structalias.h (alias_info): Remove num_references.
5748 2006-05-21 Mike Stump <mrs@apple.com>
5750 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5752 (darwin_pragma_options): Use BAD instead.
5753 (darwin_pragma_unused): Likewise.
5754 (darwin_pragma_ms_struct): Likewise.
5756 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5758 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5760 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5762 PR rtl-optimization/27671
5763 * simplify-rtx.c (simplify_relational_operation_1): Fix
5764 simplifications of (eq/ne (xor x y) y) and
5765 (eq/ne (xor x y) x).
5767 PR tree-optimization/26622.
5768 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5771 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5773 * tree-cfg.c: Prune whitespace.
5774 (debug_tree_cfg): Point to correct header containing the
5777 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5780 * cgraphunit.c (verify_cgraph_node): Typo in error message.
5782 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
5785 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
5786 or sorry count is non zero.
5788 2006-05-20 Andreas Schwab <schwab@suse.de>
5790 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5792 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
5793 Kenneth Zadeck <zadeck@naturalbridge.com>
5795 PR rtl-optimization/26855
5797 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
5799 (df_scan_alloc): Added code to properly handle multiword hard
5800 registers and add all_blocks parameter.
5801 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5802 code to properly handle multiword hard registers.
5803 (df_rescan_blocks): Added code to remove deleted blocks from
5805 (df_ref_create_structure, df_ref_record): Added code to properly
5807 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5808 and set DF_REF_PARTIAL.
5809 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5810 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5811 (df_scan_add_problem): Added flags parameter.
5812 (df_ref_create_structure): Changed switching structure.
5813 (df_bb_refs_record): Fixed case where duplicate artificial refs
5814 were created. Changed location of flags.
5815 (df_record_entry_block_defs): Added code to make stack pointer
5816 live in entry block. Refined cases where frame pointer is needed.
5817 Changed location of flags.
5818 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5819 (df_set_state): Removed function.
5820 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5821 df_insn_create_insn_record, df_insn_refs_delete,
5822 df_ref_create_structure): Formatting changes.
5823 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5824 df_delete_basic_block): New function.
5825 (df_init): Changed location of flags.
5826 (df_add_problem): Added flags parameter and the way flags are
5828 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5829 debug_df_chain): Improved debugging output.
5830 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5831 (df_refs_chain_dump): Removed df parameter.
5832 (df_iterative_dataflow): Added consistency check.
5833 (df_prune_to_subcfg): Made public.
5834 (df_analyze_problem): Added blocks_to_init parameter and made
5836 (df_ref_record, df_bb_refs_record, df_mark_reg,
5837 df_record_exit_block_uses): Whitespace changes.
5838 (df_dump): Whitespace changes.
5839 * df.h: Some reordering to remove forward references.
5840 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5841 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5842 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5843 (dataflow.flags): New field.
5844 (df.flag): Deleted field.
5845 (df_alloc_function): Added additional bitmap parameter.
5846 (df_dependent_problem_function): New type.
5847 (df_problem.changeable_flags): New field.
5848 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5849 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5850 (df_mw_hardreg): New struct.
5851 (DF_INSN_UID_MWS): New macro.
5852 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5854 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5855 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5856 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5857 (df_set_state): Removed function.
5858 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
5859 * df-problems.c (df_chain_dump): Removed df parameter.
5860 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
5861 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
5863 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
5864 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
5865 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
5866 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
5867 DF_REF_MUST_CLOBBER cases.
5868 (df_ru_bb_local_compute_process_def,
5869 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
5870 df_lr_bb_local_compute, df_ur_bb_local_compute,
5871 df_chain_create_bb): Made subreg aware.
5872 (df_ru_bb_local_compute, df_rd_bb_local_compute,
5873 df_lr_bb_local_compute, df_lr_bb_local_compute,
5874 df_chain_create_bb): Cleanup to use proper macros.
5875 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
5876 code to fixup bitvectors.
5877 (df_ri_alloc): Cleared lifetime.
5878 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
5879 df_create_unused_note): New function.
5880 (df_ri_bb_compute, df_ri_compute): Added code to create/update
5881 REG_DEAD and REG_UNUSED notes as well as register information.
5882 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
5883 df_chains_dump): Fixed crash if problem was never run.
5884 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
5885 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
5886 df_ri_add_problem): Processes flags in uniform manner.
5887 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
5888 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
5889 df_rd_dump, df_urec_free_bb_info): Formatting changes.
5890 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
5891 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
5892 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
5893 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
5894 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
5895 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
5896 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
5897 * see.c (see_initialize_data): Ditto.
5898 * final.c (rest_of_clean_state) Added regstack_completed.
5899 * rtl.h (regstack_completed): Ditto.
5900 * reg-stack.c (regstack_completed): Ditto.
5902 2006-05-19 Mike Stump <mrs@apple.com>
5904 * c-tree.h (default_conversion): Remove.
5905 * c-common.h (default_conversion): Add.
5907 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
5909 * tree-vrp.c (valid_value_p): New function.
5910 (adjust_range_with_scev): Fail if the value of bound is not
5913 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5915 * config/mips/linux-unwind.h: Include <asm/unistd.h>
5916 (mips_fallback_frame_state): Use syscall numbers to determine
5917 the appropriate li instruction for the current ABI. Only use
5918 __NR_sigreturn for o32.
5920 2006-05-19 Nicolas Setton <setton@adacore.com>
5922 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
5923 * langhooks.c (lhd_dwarf_name): New function.
5924 * langhooks-def.h (lhd_dwarf_name): Declare.
5925 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
5926 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
5927 * ada/misc.c (gnat_dwarf_name): New function.
5928 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
5930 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5932 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
5934 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
5935 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
5936 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
5937 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
5938 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
5939 determine the size of Wtype, etc.
5940 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
5941 (swfloatfuncs): New variable.
5942 (dwfloatfuncs): Likewise.
5943 (lib2funcs): Remove floating-point conversion functions from
5944 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
5945 the set of conversion routines needed. Allow entries to specify
5946 an object name, filename and word size. Update users accordingly.
5947 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
5948 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
5952 2006-02-08 Roger Sayle <roger@eyesopen.com>
5955 * config/fixtfdi.c: New libgcc source file.
5956 * config/fixunstfdi.c: New source file.
5957 * config/floatditf.c: New source file.
5958 * config/floatunditf.c: New souce file.
5959 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5960 files above instead of config/mips/_tilib.c.
5961 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5963 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5965 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
5966 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
5968 2006-05-18 Mike Stump <mrs@apple.com>
5970 Fix up vla, vm and [*] sematics.
5976 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
5977 (c_vla_unspec_p): Add.
5978 (c_vla_type_p): Add.
5979 * c-decl.c (struct c_scope): Add had_vla_unspec.
5980 (build_array_declarator): Add support for [*].
5981 (grokdeclarator): Likewise.
5982 (grokparms): Likewise.
5983 (get_parm_info): Likewise.
5984 * c-objc-common.c (c_vla_unspec_p): Likewise.
5985 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
5986 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
5987 typeof when argument is a variably modified type not inside sizeof or alignof.
5988 (c_parser_direct_declarator_inner): Propagate errors.
5989 (c_parser_sizeof_expression): Add support for [*].
5990 (c_parser_parms_declarator): Initialize had_vla_unspec.
5991 (c_parser_parms_list_declarator): Likewise.
5992 * c-typeck.c (c_vla_type_p): Add.
5993 (composite_type): Add support for vla compositing.
5994 (comptypes_internal): Add support for vla compatibility.
5995 (c_expr_sizeof_expr): Evaluate vla arguments.
5996 * tree.c (variably_modified_type_p): Update comment for [*].
5998 2006-05-18 Michael Matz <matz@suse.de>
6001 * config.host: Make assignments to host_xmake_file cumulative.
6002 * config.host (*-darwin*): Test $host, not $target.
6004 2006-05-12 Stuart Hastings <stuart@apple.com>
6006 * config/i386/i386.opt (-mstackrealign): New flag.
6007 * config/i386/i386.c (force_align_arg_pointer): New attribute.
6008 (ix86_handle_cconv_attribute): Emit error when
6009 force_align_arg_pointer attribute collides with too many regparms.
6010 (ix86_function_regparm): Limit regparms when used with
6011 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
6012 Support stack-realigning prologue in non-main functions. Emit
6013 warning for nested functions under -mstackrealign, emit error for
6014 nested functions with force_align_arg_pointer attribute.
6015 * doc/extend.texi (force_align_arg_pointer): Document it.
6016 * doc/invoke.texi (-mstackrealign): Document it.
6018 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
6020 PR rtl-optimization/27477
6021 * combine.c (try_combine): Don't split a parallel consisting
6022 of two sets into two individual sets if both sets reference
6025 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
6027 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6028 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6030 * doc/options.texi (VarExists): Updated.
6032 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6034 * unwind-dw2.c: Add declarations for uw_update_context and
6036 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6037 detected, advance frame state and context once to skip over stub.
6039 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6043 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6044 Call rewrite_into_loop_closed_ssa only when something changed.
6045 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6046 * lambda-code.c (can_convert_to_perfect_nest): Declared.
6047 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6048 Test for perfect_nest_p here. Fix formating.
6049 (replace_uses_equiv_to_x_with_y): Fix formating.
6050 (stmt_uses_op): Removed.
6051 (can_convert_to_perfect_nest): Removed loopivs parameter.
6052 Complete the test by checking the scalar dependences.
6053 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6056 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6059 From Dan Kegel <dank@kegel.com>:
6060 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6062 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
6064 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6065 if the element type is variably modified without recursing.
6067 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6070 * tree-loop-linear.c (try_interchange_loops): Test for
6071 no data dependences.
6073 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
6075 PR tree-optimization/27548
6076 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6077 range of ssa names that appear on abnormal edges.
6078 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6079 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6081 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6084 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6086 2006-05-17 Jakub Jelinek <jakub@redhat.com>
6089 * tree.h (OMP_PARALLEL_COMBINED): Define.
6090 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6091 (new_omp_context): Add is_combined_parallel argument.
6092 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6093 new_omp_context caller.
6094 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6095 Adjust gimplify_scan_omp_clauses callers.
6096 (omp_is_private): Issue errors if iteration variable is firstprivate
6097 or reduction in the current context.
6098 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6099 on combined parallel workshare constructs.
6101 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6103 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6104 (gcc-options.o): New rule.
6106 * optc-gen.awk: Protect variables for gcc-options.o with
6107 #ifdef GCC_DRIVER/#endif.
6109 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6111 Fix PR tree-optimization/27373
6112 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6113 (forward_propagate_addr_expr): Update call.
6115 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6117 * doc/options.texi: Move the Negative option.
6119 2006-05-16 Richard Guenther <rguenther@suse.de>
6121 PR tree-optimization/22303
6122 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6124 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6125 ccp_fold did not simplify the statement.
6127 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6130 * Makefile.in (GCC_OBJS): New.
6131 (OBJS-common): Add opts-common.o.
6132 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6133 (cpp$(exeext)): Likewise.
6134 (gcc.o): Also depend on opts.h.
6135 (opts-common.o): New.
6137 * common.opt (gcoff): Add Negative(gdwarf-2).
6138 (gdwarf-2): Add Negative(gstabs).
6139 (gstabs): Add Negative(gstabs+).
6140 (gstabs+): Add Negative(gvms).
6141 (gvms): Add Negative(gxcoff).
6142 (gxcoff): Add Negative(gxcoff+).
6143 (gxcoff+): Add Negative(gcoff).
6144 * config/i386/i386.opt (m32): Add Negative(m64).
6145 (m64): Add Negative(m32).
6147 * doc/options.texi: Document the Negative option.
6149 * gcc.c: Include "opts.h".
6150 (main): Call prune_options after expandargv.
6152 * optc-gen.awk: Generate common declarations for all flag
6153 variables in options.c. Output the neg_index field.
6155 * opts.c (find_opt): Moved to ...
6156 * opts-common.c: Here. New file.
6158 * opts.h (cl_option): Add a neg_index field.
6160 (prune_options): Likewise.
6162 2006-05-16 Jakub Jelinek <jakub@redhat.com>
6165 * omp-low.c (expand_omp_parallel): Don't assert
6166 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6167 instead search for it.
6170 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6173 2006-05-16 Andreas Schwab <schwab@suse.de>
6175 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6178 2006-05-15 Roger Sayle <roger@eyesopen.com>
6181 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6182 integer constants other than zero are only legitimate on TARGET_64BIT.
6183 <CONST_VECTOR> Only zero vectors are legitimate.
6184 (ix86_cannot_force_const_mem): Integral and vector constants can
6185 always be put in the constant pool.
6187 2006-05-16 DJ Delorie <dj@redhat.com>
6189 * crtstuff.c (__dso_handle): Set section from
6190 TARGET_LBIGCC_SDATA_SECTION if defined.
6191 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6192 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6194 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6197 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6200 2006-05-16 Ben Elliston <bje@au.ibm.com>
6202 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6204 2006-05-15 Per Bothner <per@bothner.com>
6206 * tree.c: (last_annotated_node): Use source_locus typedef.
6207 This permits bootstrapping with --enable-mapped-location.
6209 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6211 PR tree-optimization/26830
6212 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6213 (info_for_ssa_name, current_info_for_ssa_name_age,
6214 blocks_to_update): New variables.
6215 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6216 (clear_ssa_name_info, initialize_flags_in_bb,
6217 mark_block_for_update): New functions.
6218 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6219 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6220 prepare_def_site_for): Use mark_block_for_update.
6221 (mark_def_interesting): Assert that the processed block is marked in
6222 blocks_to_update. Do not take blocks argument.
6223 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6225 (rewrite_update_init_block, rewrite_update_stmt): Only process
6226 blocks with statements to rewrite.
6227 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6228 (update_ssa): Initialize and free blocks_to_update. Do not
6229 clear flags on statements. Do not use blocks bitmap.
6230 * tree.h (SSA_NAME_AUX): Removed.
6231 (struct tree_ssa_name): Removed aux field.
6232 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6234 2006-05-15 Richard Guenther <rguenther@suse.de>
6236 PR tree-optimization/27603
6237 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6238 Do computations in original type.
6240 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6242 * see.c: Code style changes such as redundant paranthesis,
6243 redundant intialization of local variables etc.
6244 (see_main): Declared now as static.
6245 * doc/invoke.texi: Update that -fsee is not enabled by
6248 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6250 * omp-low.c (check_omp_nesting_restrictions): New function.
6251 (scan_omp_1): Call it.
6254 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6255 construct, return *VAR.
6257 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6259 PR rtl-optimization/27406
6260 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6263 2006-05-14 Roger Sayle <roger@eyesopen.com>
6265 PR rtl-optimization/27538
6266 * combine.c (expand_compound_operation): Call gen_lowpart
6267 before calling simplify_shift_const.
6269 2006-05-14 Roger Sayle <roger@eyesopen.com>
6271 PR rtl-optimization/22563
6272 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6273 a fixed width bitfield, always force the intermediates into psuedos.
6275 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6278 * mkconfig.sh: Use operator = instead of == for test.
6280 2006-05-13 Nick Clifton <nickc@redhat.com>
6282 * dwarf2out.c (dbx_reg_number): Check return value from
6283 LEAF_REG_REMAP and only use it if it is valid.
6284 (multiple_reg_loc_descriptor): Likewise.
6286 2006-05-13 Richard Guenther <rguenther@suse.de>
6288 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6291 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6293 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6294 information attached to non-INSNs such as NOTEs.
6295 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6297 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6299 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6301 * config/s390/s390.md: Adjust comment describing On constraint.
6303 2006-05-11 Jan Hubicka <jh@suse.cz>
6305 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6306 to be output at -O0.
6308 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6311 * fold-const.c (size_binop): Move sanity check for arguments to
6312 the beginning of the function.
6315 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6318 2006-05-11 Richard Guenther <rguenther@suse.de>
6321 * fold-const.c (fold_unary): Handle intermediate conversion
6322 to a pointer type like intermediate conversion to an integer
6323 type in folding of (T1)(T2)var to var.
6324 Match the code to the comment in the final conversion for
6325 (T1)(T2)var to (T1)var regarding to type precision. Rather
6326 than disallow T1 being of pointer type, assert that both T1
6327 and var are of pointer type or not. Make sure not to fall
6328 over the frontends lazyness wrt array to pointer decay though.
6330 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6332 * arm.c (arm_struct_value_rtx): Delete.
6333 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6334 (arm_init_cumulative_args): Always initialize nregs to zero.
6336 2006-05-10 Richard Guenther <rguenther@suse.de>
6338 PR tree-optimization/27532
6339 * tree-object-size.c (plus_expr_object_size): Fix typo.
6341 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6344 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6345 ashrdi_const, ashrdi3): Use a scratch register.
6347 2006-05-10 Richard Guenther <rguenther@suse.de>
6349 PR tree-optimization/27302
6350 * fold-const.c (operand_equal_p): For two comparisons,
6351 try comparison of one comparison code swapped if that yields
6354 2006-05-10 Ben Elliston <bje@au.ibm.com>
6356 * tree-pretty-print.c (pretty_print_string): No need to handle
6357 '\0' as a special character.
6359 * tree.h: Include "hashtab.h".
6360 (iterative_hash_expr): Use hashval_t in its prototype.
6361 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6363 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6366 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6367 (hppa*64*-*-hpux11*): Ditto.
6368 (hppa[12]*-*-hpux11*): Ditto.
6370 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6373 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6375 2006-05-09 Michael Matz <matz@suse.de>
6377 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6378 host_extra_gcc_objs and host_xmake_file.
6379 (<*-*-linux*>): Don't overwrite host_xmake_file.
6380 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6381 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6382 (host_detect_local_cpu): Declare.
6383 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6384 * config/i386/i386.c (override_options): Handle -mtune=native
6386 * config/i386/x-i386: New file.
6387 * config/i386/driver-i386.c: New file.
6388 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6391 2006-05-09 Dirk Mueller <dmueller@suse.de>
6392 Richard Guenther <rguenther@suse.de>
6395 * fold-const.c (fold_read_from_constant_string): Relax check
6396 for matching types to matching modes.
6398 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6400 PR rtl-optimization/27335
6401 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6404 2006-05-08 Chao-ying Fu <fu@mips.com>
6405 Richard Sandiford <richard@codesourcery.com>
6407 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6408 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6409 * config/mips/mips.md (UNSPEC_SCC): New constant.
6410 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6411 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6412 (mips_emit_compare): Use it.
6413 (mips_expand_vcondv2sf): New function.
6415 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6417 Fix PR tree-optimization/27093
6418 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6419 renaming when they become not-used_alone.
6421 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6423 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6424 relocation and relocation stubs.
6426 2006-05-08 Eric Christopher <echristo@apple.com>
6428 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6431 2006-05-08 Jan Hubicka <jh@suse.cz>
6434 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6435 unused static functions are needed.
6437 2006-05-08 Roger Sayle <roger@eyesopen.com>
6440 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6441 of a reg_equiv_constant if the result is a legitimate constant.
6443 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6446 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6447 standard 80387 constants, raise the cost to prevent
6448 compress_float_constant() to generate load from memory.
6450 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6452 * config/arm/constraints.md (c): Fix a typo.
6454 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6457 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6460 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6462 (_mm_mwait): Likewise.
6464 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6466 (sse3_monitor): Make it 32bit only.
6467 (sse3_monitor64): New. 64bit monitor.
6469 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6472 * config/i386/i386.c (classify_argument): Skip fields with invalid
6475 2006-05-07 Richard Guenther <rguenther@suse.de>
6477 PR tree-optimization/27409
6478 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6479 Do not try to find zero-sized subvars.
6481 2006-05-07 Richard Guenther <rguenther@suse.de>
6483 PR tree-optimization/27136
6484 * tree-ssa-loop-niter.c (get_val_for): Correct function
6485 comment, assert requirements.
6486 (loop_niter_by_eval): Stop processing if the iterated
6487 value did not simplify.
6489 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6491 * opts.c (flag_see): remove its setting at -O3.
6493 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6495 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6496 * arm/constraints.md: New file.
6497 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6498 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6499 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6500 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6501 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6502 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6503 * arm.md: Include constraints.md.
6504 (thumb_movsi_insn): Use satisfies_constraint_J.
6505 (movhi, movqi): Use satisfies_constraint_I.
6507 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6509 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6510 for atmeg a645 device.
6512 2006-05-06 Richard Guenther <rguenther@suse.de>
6514 PR tree-optimization/27151
6515 * tree-vect-transform.c (vectorizable_condition): Punt on
6516 values that have a different type than the condition.
6518 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6521 * c-parser.c (c_parser_cast_expression): Only insert casts into
6522 hash table if pointer.
6523 * function.c (used_types_insert_helper): Rename from
6525 (used_types_insert): Call used_types_insert_helper.
6526 * function.h (used_types_insert): Accept only one argument.
6528 2006-05-05 David Edelsohn <edesohn@gnu.org>
6530 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6531 scratch with output modifier.
6533 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6536 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6537 with output modifier.
6539 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6542 * config/mips/mips.c (mips_symbolic_address_p): Return true
6543 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6544 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6546 2006-05-04 Richard Guenther <rguenther@suse.de>
6548 PR tree-optimization/14287
6549 PR tree-optimization/14844
6550 PR tree-optimization/19792
6551 PR tree-optimization/21608
6552 PR tree-optimization/27090
6553 * tree-ssa-pre.c (try_combine_conversion): New function.
6554 (compute_avail): After constructing the value-handle
6555 expression, use try_combine_conversion to combine NOP_EXPRs
6556 with previous value-handle expressions and use the result if it
6559 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6561 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6563 2006-05-04 Jan Hubicka <jh@suse.cz>
6566 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6568 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6570 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6571 that this only matches CONST_INTs. All users changed to VOIDmode
6574 * config/bfin/bfin.c: Include "optabs.h".
6575 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6577 (enum bfin_builtins): Add a number of fractional and vector builtins.
6578 (bfin_init_builtins): Likewise.
6579 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6580 (safe_vector_operand, bfin_expand_binop_builtin,
6581 bfin_expand_unop_builtin): New functions.
6582 (bfin_expand_builtin): Handle the new builtins.
6583 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6586 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6589 * Makefile.in (OBJS-common): Add see.o.
6590 (see.o): Add dependencies.
6591 * common.opt (fsee): New flag for the see optimization was added.
6592 * opts.c (flag_see): Initialized.
6593 * passes.c (init_optimization_passes, pass_see): New pass.
6594 * rtl.h (see_main): Declaration as extern.
6595 * timevar.def (TV_SEE): New.
6596 * tree-pass.h (pass_see): Declaration as extern.
6597 * invoke.texi (-fsee): Document.
6598 * recog.c (validate_simplify_insn): New function.
6599 * recog.h (validate_simplify_insn): Declaration as extern.
6600 * df-problems.c (df_chain_dump): Check for NULL.
6602 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6603 Daniel Berlin <dberlin@dberlin.org>
6605 * cfgrtl.c (insert_insn_bb_end_new): New function.
6606 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6608 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6610 * df.h (struct web_entry): Moved from web.c.
6611 (union_defs): Declaration as extern.
6612 (unionfind_root): Likewise.
6613 (unionfind_union): Likewise.
6614 * web.c (struct web_entry): Moved to df.h.
6615 (unionfind_root): Remove static declaration.
6616 (unionfind_union): Likewise.
6617 (union_defs): Likewise and generalize to use callback function.
6618 (web_main): Update arguments for union_defs function call.
6620 2006-05-04 Richard Guenther <rguenther@suse.de>
6622 PR tree-optimization/26447
6623 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6624 produce SSA_NAME copies before the store stmt to avoid
6625 breaking exception handling.
6627 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6630 * gimplify.c (omp_is_private): If var is shared in some outer context,
6631 return false instead of true. Stop searching on parallel context
6634 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6637 * coverage.c: Use get_gcov_unsigned_t() instead of
6638 unsigned_type_node all over.
6640 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6642 PR tree-optimization/27381
6643 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6644 maintain the same immediate_use links.
6645 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6646 node rather than segfaulting.
6648 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6651 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6652 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6653 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6655 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6657 Fix PR tree-optimization/26626
6658 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6660 * tree-ssa-operands.c (access_can_touch_variable): Allow
6661 typecasting through union pointers.
6663 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6666 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6667 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6668 to find if var will be a global variable even in the nested context.
6669 (omp_copy_decl): Only check for global variable at the end, it might
6670 be overridden in outer contexts.
6671 (scan_sharing_clauses): For global variables don't create a field.
6672 (lower_rec_input_clauses): Do nothing for global shared variables.
6673 Emit a barrier at the end of ILIST if there were any decls in both
6674 firstprivate and lastprivate clauses.
6675 (lower_send_clauses): Do nothing for global variables except for
6678 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6680 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6681 of the correct signedness is returned.
6683 2006-05-02 Jeff Law <law@redhat.com>
6685 PR tree-optimization/27364
6686 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6687 multiply expressions.
6689 2006-05-02 Tom Tromey <tromey@redhat.com>
6691 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6693 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6696 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6697 -mthumb -fPIC are used.
6699 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6700 Joshua Kinard <kumba@gentoo.org>
6703 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6704 with 64-bit pointers.
6706 2006-05-02 Paul Brook <paul@codesourcery.com>
6708 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6710 (create_fix_barrier): Check that a suitable barrier location is
6712 (arm_reorg): Include ftmp->address in allowable range of addresses.
6714 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6717 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6720 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6723 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6724 around RESULT_DECL for result passed by reference.
6725 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6726 * omp-low.c (use_pointer_for_field): Don't look at
6727 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6728 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6729 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6730 time or var for passing by reference for
6731 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6732 TREE_ADDRESSABLE variables when passing by reference.
6734 * omp-low.c (dump_omp_region): Fix output formatting.
6737 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6738 (expand_omp_parallel): Likewise.
6739 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6742 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6743 on statement list containing also constructors and destructors.
6744 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6747 * except.c (duplicate_eh_regions): Fix clearing of
6748 cfun->eh->region_array entries.
6750 2006-05-01 DJ Delorie <dj@redhat.com>
6752 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6754 (gcc_cv_objdump): Likewise.
6755 * configure: Regenerated.
6757 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6760 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6761 templates for case 3 and 4.
6763 2006-05-01 DJ Delorie <dj@redhat.com>
6765 * vec.c: Include bconfig.h when appropriate.
6766 * Makefile.in (build/vec.o): Adjust dependencies.
6767 * mkconfig.sh: Make sure config.h isn't used for build machine
6770 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6772 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6774 (mark_phi_for_rewrite): New function.
6775 (insert_phi_nodes_for, mark_use_interesting): Call
6776 mark_phi_for_rewrite.
6777 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
6778 (update_ssa): Initialize and free phis_to_rewrite.
6780 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6782 PR rtl-optimization/27291
6783 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
6784 folded to a constant.
6786 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6788 PR tree-optimization/27283
6789 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
6790 not whole # of iteration descriptions.
6791 (niter_for_exit): Return just # of iterations. Fail if # of iterations
6792 uses abnormal ssa name.
6793 (niter_for_single_dom_exit): Ditto.
6794 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
6795 return just the number of iterations.
6797 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6799 PR tree-optimization/27144
6800 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
6801 (record_estimate): Only record constant upper bound.
6802 (infer_loop_bounds_from_undefined): Call
6803 compute_estimated_nb_iterations just once.
6804 (proved_non_wrapping_p): Renamed to ...
6805 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6806 (convert_step_widening, scev_probably_wraps_p): Call
6807 n_of_executions_at_most instead of proved_non_wrapping_p.
6808 (substitute_in_loop_info): Do not replace values in bounds.
6809 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6812 2006-05-01 Richard Henderson <rth@redhat.com>
6815 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6816 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6819 2006-05-01 Roger Sayle <roger@eyesopen.com>
6821 * c-typeck.c (parser_build_binary_op): Don't call the function
6822 unsigned_conversion_warning to spot operand/result type overflow.
6823 (build_binary_op): Instead, call convert_and_check instead of
6824 convert to report the problem when the operands are promoted.
6825 * c-common.c (unsigned_conversion_warning): Make static.
6826 * c-common.h (unsigned_conversion_warning): Delete prototype.
6828 2006-05-01 Richard Guenther <rguenther@suse.de>
6830 PR tree-optimization/26726
6831 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6833 (find_interesting_uses_address): ... we work around here
6834 by folding INDIRECT_REFs in the substituted base.
6836 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6838 * omp-low.c (dump_omp_region): Add newlines.
6840 2006-04-30 Roger Sayle <roger@eyesopen.com>
6842 * common.opt (Woverflow): New command line option.
6843 * c-common.c (constant_expression_warning): Check warn_overflow.
6844 (overflow_waring): Pass OPT_Woverflow to warning.
6845 (unsigned_conversion_warning): Likewise.
6846 (convert_and_check): Likewise.
6847 * doc/invoke.texi: Document new command line option.
6849 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6851 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6852 TARGET_NO_FP_IN_TOC for section anchors.
6853 (optimization_options): Enable section anchors for all
6854 non-"Objective" languages.
6856 2006-04-28 Eric Christopher <echristo@apple.com>
6858 * config/darwin-c.c (darwin_ms_struct): Move this
6859 (darwin_set_default_type_attributes): and this...
6860 * config/darwin.c: ... here.
6861 * config/darwin.h (darwin_ms_struct): Declare.
6863 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
6865 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
6867 2006-04-28 Roger Sayle <roger@eyesopen.com>
6870 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
6871 (push_array_bounds): Delete prototype. Change BOUNDS argument to
6872 an unsigned HOST_WIDE_INT.
6873 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
6875 (really_start_incremental_init): No need to call convert because
6876 bitsize_zero_node is already of type bitsizetype.
6877 (push_init_level): Extract the value of constructor_index as an
6878 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
6879 (process_init_element): Likewise.
6881 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
6883 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
6884 value before passing to make_relative_prefix.
6886 2006-04-28 Alan Modra <amodra@bigpond.net.au>
6889 * builtins.c (expand_builtin_memset): Expand val in original mode.
6891 2006-04-27 Eric Christopher <echristo@apple.com>
6893 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
6894 with #ifndef/#endif.
6895 * config/darwin-c.c (darwin_ms_struct): New.
6896 (darwin_pragma_ms_struct): Ditto.
6897 (darwin_set_default_type_attributes): Ditto.
6898 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
6899 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
6900 Register ms_struct pragma.
6901 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
6902 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
6903 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
6904 darwin_set_default_type_attributes if TARGET_MACHO.
6906 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
6908 PR tree-optimization/26854
6909 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
6910 * doc/tree-ssa.texi: Update immuse iterator documentation.
6911 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
6912 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
6913 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
6914 first_safe_imm_use, next_safe_imm_use): Remove.
6915 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
6916 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
6917 (move_use_after_head): New. Helper function to sort immuses in a stmt.
6918 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
6919 (first_imm_use_stmt): New. Get first stmt in an immuse list.
6920 (next_imm_use_stmt): New. Get next stmt in an immuse list.
6921 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
6922 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
6923 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
6924 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
6925 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
6926 (perfect_nestify): Use new iterator.
6927 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
6929 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
6930 (next_imm_name): New field in struct immediate_use_iterator_d.
6931 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
6932 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
6933 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
6934 * tree-cfg.c (replace_uses_by): Use new iterator.
6935 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
6936 * tree-ssa-operands.c (correct_use_link): Remove.
6937 (finalize_ssa_use_ops): No longer call correct_use_link.
6939 2006-04-27 Stuart Hastings <stuart@apple.com>
6941 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
6942 * config/t-darwin (crt3.o): Use it.
6943 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
6944 'pmode', use Pmode instead of SImode for SYMBOL_REF.
6945 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
6946 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
6947 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
6950 2006-04-27 Roger Sayle <roger@eyesopen.com>
6952 * expmed.c (store_fixed_bit_field): If we're not optimizing for
6953 size, force the intermediate into a new pseudo rather instead of
6954 performing both a bitwise AND and a bitwise IOR in memory.
6956 2006-04-27 Richard Guenther <rguenther@suse.de>
6958 PR rtl-optimization/26685
6959 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
6960 this one "max-flow-memory-locations".
6962 2006-04-27 Richard Guenther <rguenther@suse.de>
6964 PR tree-optimization/25148
6965 * tree-vrp.c (compare_values): Remove code dealing with
6966 comparisons against type min/max value. Honour overflow
6967 and negative constants in code dealing with comparisons
6968 of plus and minus expressions.
6969 (value_inside_range): Use fold_binary with LE_EXPR and
6970 GE_EXPR rather than compare_values.
6972 2006-04-27 Dirk Mueller <dmueller@suse.de>
6974 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
6977 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
6979 * basic-block.h (safe_insert_insn_on_edge): Removed.
6980 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
6982 2006-04-26 David Edelsohn <edelsohn@gnu.org>
6983 Paolo Bonzini <bonzini@gnu.org>
6986 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
6987 (simplify_and_const_int): Same.
6989 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
6991 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
6993 2006-04-26 Jakub Jelinek <jakub@redhat.com>
6996 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
6997 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
6998 cgraph_global_info_ready.
7001 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7004 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7005 either decl or init is error_mark_node.
7008 * tree-flow.h (struct omp_region): Add sched_kind.
7009 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7010 instead of extracting omp for data.
7011 (expand_omp_for): Save extracted sched_kind.
7013 2006-04-25 Roger Sayle <roger@eyesopen.com>
7015 * expmed.c (store_bit_field): Also check whether the bitsize is
7016 valid for the machine's "insv" instruction before moving the
7017 target into a pseudo for use with the insv.
7018 * config/i386/predicates.md (const8_operand): New predicate.
7019 * config/i386/i386.md (extv, extzv, insv): Use the new
7020 const8_operand predicate where appropriate.
7022 2006-04-25 DJ Delorie <dj@redhat.com>
7024 * doc/install.texi (Specific): Clarify that this is not a list of
7025 supported hosts or targets.
7027 2006-04-25 Richard Sandiford <richard@codesourcery.com>
7029 PR rtl-optimization/26725
7030 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7031 block's BB_DIRTY flag.
7033 2006-04-25 Geoffrey Keating <geoffk@apple.com>
7035 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7038 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7039 to print an integer.
7041 2006-04-25 David Edelsohn <edelsohn@gnu.org>
7043 * varasm.c (align_variable): New function.
7044 (get_block_for_decl): Apply align_variable to DECL before
7045 calculating section information.
7046 (assemble_variable): Split out alignment computation.
7048 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
7050 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7053 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
7055 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7056 MODE_PARTIAL_INT mode.
7057 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7058 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7060 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7061 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7063 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7065 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7067 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7068 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7069 MACFLAG_IH): Likewise.
7070 (movstricthi_1): Renamed from "*movstricthi".
7071 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7072 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7073 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7074 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7075 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7076 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7077 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7078 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7079 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7080 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7081 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7082 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7083 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7084 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7085 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7087 * doc/rtl.texi (ss_ashift): Improve wording.
7089 2006-04-24 Geoffrey Keating <geoffk@apple.com>
7091 * dwarf2out.c (verify_marks_clear): New.
7092 (prune_unused_types): Call verify_marks_clear initially, not
7095 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7097 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7098 * doc/rtl.texi: Document them.
7099 * simplify-rtx.c (simplify_unary_operation,
7100 simplify_binary_operation_1): Don't abort when we see them.
7102 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7105 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7106 * configure.ac: Completely disregard languages that are not
7108 * configure: Regenerated.
7110 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7111 Richard Guenther <rguenther@suse.de>
7113 PR tree-optimization/27236
7114 * tree-inline.c (copy_body_r): Make sure to copy
7115 TREE_THIS_VOLATILE flag.
7117 2006-04-24 Richard Guenther <rguenther@suse.de>
7120 * tree-complex.c (update_parameter_components): Don't handle
7121 unused parameters which have no default def.
7123 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7124 Richard Guenther <rguenther@suse.de>
7126 PR tree-optimization/27218
7127 * tree-inline.c (expand_call_inline): Strip useless type
7128 conversions for the return slot address.
7130 2006-04-24 Richard Guenther <rguenther@suse.de>
7132 * cfgloop.h (struct loops): Remove unused field array. Reorder
7134 (LOOP_PREFETCH): Remove.
7136 2006-04-24 Richard Guenther <rguenther@suse.de>
7138 PR tree-optimization/22525
7139 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7140 variable, adjust types of generated expressions.
7142 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7144 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7145 (tree-vect-patterns.o): Likewise.
7147 (cselib.o): Likewise.
7148 (loop-doloop.o): Likewise.
7149 (regclass.o): Likewise.
7150 (reload1.o): Likewise.
7151 (explow.o): Replace target.h with $(TARGET_H).
7152 (ipa-prop.o): Likewise.
7153 (ipa-cp.o): Likewise.
7154 (ipa-inline.o): Likewise.
7155 (reorg.o): Likewise.
7156 (reg-stack.o): Likewise.
7158 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7160 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7162 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7164 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7166 * configure.ac: Completely disregard languages that are not
7168 * configure: Regenerated.
7171 * c-common.h (c_build_bitfield_integer_type): Declare.
7172 * c-decl.c (c_build_bitfield_integer_type): Move to ...
7173 * c-common.c (c_build_bitfield_integer_type): ... here.
7175 2006-04-23 Roger Sayle <roger@eyesopen.com>
7178 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7179 a SImode SUBREG of a floating point register after no_new_pseudos.
7181 2006-04-23 Roger Sayle <roger@eyesopen.com>
7183 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7184 identify potentially eliminable registers to additionally catch
7185 VIRTUAL_INCOMING_ARGS_REGNUM.
7186 (addsi3): Update the conditions on when to use addsi_small_int.
7188 2006-04-23 Roger Sayle <roger@eyesopen.com>
7191 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7192 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7193 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7195 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7197 * fold-const.c (range_predecessor): Use operand_equal_p
7198 as the predicate for equality.
7199 (range_successor): Likewise.
7201 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7204 * config/soft-fp/op-common.h: Fix a typo.
7206 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7209 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7210 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7212 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7214 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7216 * doc/tm.texi: Fix a typo.
7218 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7220 * dwarf2out.c (struct die_struct): Document that die_sib makes
7221 a circular linked list.
7222 (FOR_EACH_CHILD): New.
7223 (reverse_die_lists): Delete.
7224 (reverse_all_dies): Delete.
7225 (add_dwarf_attr): Correct documentation.
7226 (remove_child_with_prev): New.
7227 (remove_child_TAG): Update for change to die_struct, use
7228 remove_child_with_prev.
7229 (add_child_die): Update for change to die_struct.
7230 (splice_child_die): Use remove_child_with_prev and add_child_die.
7231 (print_die): Use FOR_EACH_CHILD.
7232 (die_checksum): Likewise.
7233 (assign_symbol_names): Likewise.
7234 (output_location_lists): Likewise.
7235 (build_abbrev_table): Likewise.
7236 (calc_die_sizes): Likewise.
7237 (mark_dies): Likewise.
7238 (unmark_dies): Likewise.
7239 (unmark_all_dies): Likewise.
7240 (output_die): Likewise.
7241 (prune_unused_types_mark): Likewise.
7242 (prune_unused_types_walk): Likewise.
7243 (same_die_p): Update for change to die_struct.
7244 (break_out_includes): Likewise.
7245 (prune_unused_types_prune): Likewise.
7246 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7247 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7249 (dwarf2out_finish): Don't call reverse_all_dies.
7251 2006-04-21 Eric Christopher <echristo@apple.com>
7253 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7254 in comments and function names.
7256 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7259 * c-typeck.c (digest_init): Robustify.
7261 * c-typeck.c (pop_init_level): Simplify.
7263 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7265 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7267 2006-04-21 Paul Brook <paul@codesourcery.com>
7269 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7270 hardware floating point.
7272 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7274 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7277 2006-04-21 Nick Clifton <nickc@redhat.com>
7279 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7282 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7285 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7286 C++ lang type in traceback table for Objective-C++.
7288 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7290 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7292 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7294 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7297 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7298 were errors. Remove check for erroneous objects.
7300 2006-04-20 Jeff Law <law@redhat.com>
7302 PR tree-optimization/26854
7303 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7304 checking for zero or one use.
7305 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7306 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7307 * tree-ssa-reassoc.c (negate_value): Similarly.
7308 (reassociate_bb): Similarly.
7310 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7312 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7313 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7314 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7316 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7318 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7319 fp regs if the last fp arg doesn't fit in regs.
7321 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7324 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7325 that the last insn has the REG_INC note.
7327 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7328 Nathan Sidwell <nathan@codesourcery.com>
7331 * stor-layout.c (update_alignment_for_field): Do not align
7333 (place_union_field): Place union field at the start of the union.
7334 (place_field): Move ERROR_MARK check later, and use the current
7335 allocation position to maintain monotonicity.
7337 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7339 * dominance.c: Include timevar.h.
7340 (calculate_dominance_info): Use TV_DOMINANCE.
7341 * timevar.def (TV_DOMINANCE): New timevar.
7342 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7344 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7346 PR rtl-optimization/14261
7347 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7348 move would be an INSV insn.
7349 (noce_process_if_block): Don't optimize if the destination is a
7350 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7352 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7354 * config/s390/s390.md: Add comments with the instructions emitted
7355 by an insn pattern if macros are used.
7357 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7359 PR rtl-optimization/26026
7360 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7361 is a known power of two shifted left a variable amount.
7363 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7365 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7366 to hash table twice when the debug_str section has SECTION_MERGE.
7368 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7370 * config/soft-fp: New directory. From glibc.
7371 * config/soft-fp/t-softfp: New.
7372 * config/soft-fp/README: New.
7373 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7374 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7375 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7376 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7377 * config.gcc: Use rs6000/t-fprules-fpbit or
7378 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7380 * config/rs6000/sfp-machine.h: New. Based on glibc.
7381 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7383 * config/rs6000/t-fprules: Remove fp-bit rules.
7384 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7385 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7386 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7387 (softfp_wrap_start, softfp_wrap_end): New.
7389 2006-04-18 DJ Delorie <dj@redhat.com>
7391 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7393 2006-04-18 Devang Patel <dpatel@apple.com>
7395 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7397 2006-04-18 Nick Clifton <nickc@redhat.com>
7399 * config/sh/t-symbian: Add rule to build sh-c.o
7400 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7401 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7402 (sh_symbian_encode_section_info): Likewise.
7404 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7406 * builtins.c (expand_builtin_strcmp): Cover label definition of
7407 do_libcall with HAVE_cmpstrnsi.
7409 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7411 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7413 * function.h (temp_slot_p): New.
7414 (function): Change the type of x_used_temp_slots to
7415 VEC(temp_slot_p,gc) *.
7417 2006-04-18 Nick Clifton <nickc@redhat.com>
7419 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7420 flag_strength_reduce.
7422 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7424 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7428 Partial revert of revision 112637
7429 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7430 Dale Johannesen <dalej@apple.com>
7433 * regclass.c (struct reg_pref): Update documentation.
7434 (regclass): Set prefclass to NO_REGS if memory is the best option.
7435 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7437 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7439 PR tree-optimization/26821
7440 * tree-ssa-math-opts.c (get_constant_one): New.
7441 (insert_reciprocals): Use it.
7443 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7445 * dwarf2out.c (free_AT): Delete.
7446 (remove_AT): Update string ref counts.
7447 (remove_child_TAG): Don't call free_die.
7449 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7450 or DW_TAG_GNU_EINCL.
7451 (prune_unused_types_walk_attribs): Reset string refcounts.
7452 (prune_unused_types_update_strings): New.
7453 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7454 call free_die. Do call prune_unused_types_update_strings.
7455 (prune_unused_types): Empty debug_str_hash.
7457 2006-04-17 Roger Sayle <roger@eyesopen.com>
7459 * expr.c (expand_assignment): Optimize away no-op moves where the
7460 source and destination are equal and have no side-effects.
7462 2006-04-17 Richard Guenther <rguenther@suse.de>
7465 * reload.c (push_reload): Guard calls to get_secondary_mem
7468 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7470 * alias.c (reg_base_value, old_reg_base_value): Change the
7471 type to VEC(rtx,gc) *.
7472 (REG_BASE_VALUE, find_base_value, record_set,
7473 init_alias_analysis): Use VEC instead of VARRAY.
7475 * alias.c (alias_sets): Change the type to
7476 VEC(alias_set_entry,gc) *.
7477 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7478 VEC instead of VARRAY.
7479 (last_alias_set): Remove.
7481 * cgraph.h (cgraph_edge_p): New.
7482 Update the prototype of cgraph_function_versioning.
7483 * cgraphunit.c (cgraph_copy_node_for_versioning,
7484 cgraph_function_versioning): Use VEC instead of VARRAY.
7485 * ipa-cp.c (ipcp_insert_stage): Likewise.
7487 2006-04-16 Roger Sayle <roger@eyesopen.com>
7490 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7491 "A op B" or "A op C", we may need to convert A to the type of B and C.
7493 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7495 * target.h (struct gcc_target): Add mode_rep_extended.
7496 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7497 (init_num_sign_bit_copies_in_rep): Initialize it using
7499 (truncate_to_mode): Use it.
7500 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7501 * targhooks.h (default_mode_rep_extended): Declare it.
7502 * targhooks.c (default_mode_rep_extended): Define it.
7503 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7504 default_mode_rep_extended.
7505 (TARGET_INITIALIZER): Include it.
7506 * doc/tm.texi (Misc): Document it.
7507 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7508 (mips_truncated_to_mode): New function.
7510 2006-04-16 Roger Sayle <roger@eyesopen.com>
7513 * expr.c (compress_float_constant): Copy the narrow constant into
7514 a new pseudo before extending it to its final width.
7516 2006-04-16 Roger Sayle <roger@eyesopen.com>
7517 Andrew Pinski <pinskia@gcc.gnu.org>
7518 Dale Johannesen <dalej@apple.com>
7521 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7522 special case code to implement V8HImode and V16QImode with SSE2.
7524 2006-04-15 Roger Sayle <roger@eyesopen.com>
7526 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7527 trees are constructed with a suitable tree type.
7529 2006-04-15 Roger Sayle <roger@eyesopen.com>
7531 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7532 (integer_onep): Likewise.
7533 (integer_all_onesp): Likewise.
7534 (integer_pow2p): Likewise.
7535 (integer_nonzerop): Likewise.
7536 (real_zerop): Likewise.
7537 (real_onep): Likewise.
7538 (real_twop): Likewise.
7539 (real_minus_onep): Likewise.
7540 (int_size_in_bytes): Likewise.
7541 (host_integerp): Likewise.
7543 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7545 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7546 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7547 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7549 * tree-ssa-structalias.h (alias_info): Remove num_references.
7551 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7553 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7554 (output_bvb patterns): Likewise.
7555 * pa.c (output_bb): Use 'bb' insn for long branch case.
7556 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7557 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7558 1. Correct length operand for alternatives 1 and 2.
7559 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7560 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7562 2006-04-14 Roger Sayle <roger@eyesopen.com>
7564 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7565 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7566 were accidentally reverted by r112959.
7568 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7571 * except.h (eh_region_outermost): New prototype.
7572 * except.c (eh_region_outermost): New function.
7573 * tree-cfg.c (find_outermost_region_in_block): Use it.
7575 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7577 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7579 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7580 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7581 (init_reload, reload): Use VEC instead of VARRAY.
7582 * reload.h: Update the prototype for
7583 reg_equiv_memory_loc_varray.
7585 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7586 Eric Botcazou <ebotcazou@libertysurf.fr>
7588 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7591 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7594 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7595 to expand fallback builtin function call.
7597 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7600 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7601 and emit libcall here in case the builtin fails.
7602 (expand_builtin_strcmp): Always emit the libcall here on failure.
7604 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7606 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7607 * flow.c (reg_n_info): Change the type to
7608 VEC(reg_info_p,heap) *.
7609 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7611 * regs.h (reg_info_p): New.
7612 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7613 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7614 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7617 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7619 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7621 * params.h (MAX_SCHED_READY_INSNS): New macro.
7622 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7623 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7624 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7625 the ready list for 1 cycle during the first scheduling pass.
7626 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7628 2006-04-13 Richard Henderson <rth@redhat.com>
7631 * gimple-low.c (lower_omp_directive): Remove dead code.
7632 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7633 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7634 * omp-low.c (struct omp_region): Move to tree-flow.h.
7635 (root_omp_region): Export.
7636 (omp_regions, lookup_omp_region): Remove.
7637 (determine_parallel_type): Update for struct omp_region changes.
7638 (dump_omp_region): Dump regions with block numbers.
7639 (new_omp_region): Take type and block instead of stmt; malloc
7641 (free_omp_region_1, free_omp_regions): New.
7642 (expand_parallel_call): Take entry_stmt as argument; update for
7643 changes to omp_region.
7644 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7645 (remove_exit_barriers): New.
7646 (expand_omp_parallel): Update for struct omp_region changes.
7647 (expand_omp_synch): Likewise.
7648 (expand_omp): Likewise.
7649 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7650 (expand_omp_for_static_chunk): Likewise.
7651 (expand_omp_for): Likewise.
7652 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7653 (expand_omp_sections): Similarly, with GOMP_sections_end.
7654 (expand_omp_single): New.
7655 (build_omp_regions_1): Update for OMP_CONTINUE.
7656 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7657 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7658 OMP_SECTIONS_SECTIONS.
7659 (lower_omp_single_simple): Don't emit barrier here.
7660 (lower_omp_single_copy): Likewise.
7661 (lower_omp_single): Fix bindings, and lower to straightline now.
7662 (lower_omp_master, lower_omp_ordered): Likewise.
7663 (lower_omp_critical): Likewise.
7664 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7665 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7666 omp edges, free it afterward.
7667 (make_omp_sections_edges): Remove.
7668 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7669 (move_stmt_r): Handle OMP_CONTINUE.
7670 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7671 statement pointers to basic blocks. Add type member.
7672 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7673 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7674 * tree-inline.c (estimate_num_insns_1): Likewise.
7675 * tree-pretty-print.c (dump_generic_node): Likewise.
7676 * tree-ssa-operands.c (get_expr_operands): Likewise.
7677 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7678 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7679 (OMP_CONTINUE): New.
7680 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7681 (OMP_SECTIONS_SECTIONS): Remove.
7682 (OMP_SECTION_LAST): New.
7683 (OMP_RETURN_NOWAIT): New.
7685 2006-04-13 Roger Sayle <roger@eyesopen.com>
7687 * fold-const.c (native_encode_vector, native_interpret_real):
7688 Correct obvious mistakes in the previous check-in.
7690 2006-04-13 Roger Sayle <roger@eyesopen.com>
7692 * fold-const.c (native_encode_expr): New function to encode
7693 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7694 or VECTOR_CST into a specified buffer.
7695 (native_encode_int): New function.
7696 (native_encode_real): New function.
7697 (native_encode_complex): New function.
7698 (native_encode_vector): New function.
7699 (native_interpret_expr): Inverse of native_encode_expr to convert
7700 a target representation into an INTEGER_CST, REAL_CST etc...
7701 (native_interpret_int): New function.
7702 (native_interpret_real): New function.
7703 (native_interpret_complex): New function.
7704 (native_interpret_vector): New function.
7705 (fold_view_convert_expr): New function to constant fold/evaluate
7706 a VIEW_CONVERT_EXPR of a suitable constant expression.
7707 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7708 Change call of build1 to fold_build1 when constructing a
7711 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7712 Ulrich Weigand <uweigand@de.ibm.com>
7715 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7718 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7721 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7722 optimize to lo_sum for DFmode if !TARGET_FPRS.
7724 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7726 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7727 delete_alias_info, compute_flow_sensitive_aliasing,
7728 group_aliases): Use VEC instead of VARRAY.
7729 * tree-ssa-structalias.c (update_alias_info): Likewise.
7730 * tree-ssa-structalias.h (alias_info): Change the type of
7731 processed_ptrs to VEC(tree,heap) *.
7733 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7736 * config/sh/lib1funcs.h: New file, broken out of:
7737 * config/sh/lib1funcs.asm.
7738 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7740 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7741 * config/sh/lib1funcs-Os-4-200.asm: New file.
7742 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7743 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7744 (EXTRA_MULTILIB_PARTS): Include it.
7745 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7746 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7747 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7748 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7751 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7753 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7754 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7755 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7757 * tree-ssa-live.h: Include vecprim.h.
7758 (tree_partition_associator_d): Change the type of
7759 first_partition to VEC(int,heap) *.
7760 (tpa_first_partition): Use VEC instead of VARRAY.
7762 * Makefile.in (GTFILES): Move functions.h after tree.h.
7763 * function.c (reset_block_changes, record_block_change,
7764 check_block_change, free_block_changes): Use VEC instead of
7766 * function.h (function): Change the type of
7767 ib_boundaries_block to VEC(tree,gc) *.
7768 * tree-inline.c (copy_cfg_body): Initialize
7769 ib_boundaries_block to NULL instead of (varray_type) 0.
7771 2006-04-12 Roger Sayle <roger@eyesopen.com>
7773 * expr.c (emit_group_store): Correct operand order in call to
7774 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7775 a SUBREG_BYTE of zero.
7777 2006-04-12 Richard Guenther <rguenther@suse.de>
7779 * profile.c (compute_branch_probabilities): Remove code
7780 encapsulated in !ir_type (), which are remanents of the
7781 removed RTL profiling code.
7782 * rtl-profile.c: Remove.
7784 2006-04-12 Alan Modra <amodra@bigpond.net.au>
7786 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
7787 magic NULL_RTX comment.
7788 (function_arg): Store entire fp arg to mem if any part should go
7790 (rs6000_arg_partial_bytes): Adjust for above change.
7792 2006-04-11 Roger Sayle <roger@eyesopen.com>
7794 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
7795 if it hasn't been initialized by dwarf2out_init.
7797 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
7799 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
7800 symbolic constants in branch patterns.
7802 2006-04-11 Roger Sayle <roger@eyesopen.com>
7804 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7806 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7808 PR rtl-optimization/27073
7809 * gcse.c (try_replace_reg): Revert last change. Continue to search
7810 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7813 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7815 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7816 aggregate types other than record and union types.
7817 (function_arg): Likewise.
7818 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7820 (function_value): In 64-bit mode, return objects that require it
7823 2006-04-11 Roger Sayle <roger@eyesopen.com>
7825 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7827 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7829 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7831 2006-04-03 Jeff Law <law@redhat.com>
7834 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7835 alias information too.
7837 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7839 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7841 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7844 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7845 (premark_used_types_helper): New.
7846 (premark_used_types): New.
7847 (gen_subprogram_die): Call premark_used_types.
7848 (prune_unused_types_walk): Do not prune perennial dies.
7849 * function.c (used_types_insert): New.
7850 * function.h (struct function): Add used_types_hash field.
7851 (used_types_insert): Add prototype.
7852 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
7853 * c-parser.c (c_parser_cast_expression): Save casted types in used
7856 2006-04-11 Mark Mitchell <mark@codesourcery.com>
7859 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
7860 rs6000_explicit_options.float_gprs.
7862 2006-04-10 Roger Sayle <roger@eyesopen.com>
7864 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
7865 from ix86_expand_vector_init_low_nonzero. Take an additional
7866 one_var argument indicating which element is non-zero. Support
7867 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7868 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
7869 with one_var instead of ix86_expand_vector_init_low_nonzero.
7871 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
7873 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
7874 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
7875 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
7876 build/genextract.o): Depend on vecprim.h.
7877 * cfglayout.c, df-problems.c, function.c, genextract.c,
7878 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
7879 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
7883 2006-04-10 Geoffrey Keating <geoffk@apple.com>
7885 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
7886 Declare VECs of this type.
7887 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
7888 (remove_children): Delete.
7889 (add_dwarf_attr): Use VEC routines.
7890 (add_AT_flag): Update for changes to add_dwarf_attr.
7891 (add_AT_int): Likewise.
7892 (add_AT_unsigned): Likewise.
7893 (add_AT_long_long): Likewise.
7894 (add_AT_vec): Likewise.
7895 (add_AT_string): Likewise.
7896 (add_AT_die_ref): Likewise.
7897 (add_AT_fde_ref): Likewise.
7898 (add_AT_loc): Likewise.
7899 (add_AT_loc_list): Likewise.
7900 (add_AT_addr): Likewise.
7901 (add_AT_lbl_id): Likewise.
7902 (add_AT_lineptr): Likewise.
7903 (add_AT_macptr): Likewise.
7904 (add_AT_offset): Likewise.
7905 (add_AT_range_list): Likewise.
7906 (get_AT): Use VEC_iterate.
7907 (remove_AT): Use VEC_ordered_remove.
7908 (free_die): Fold remove_children into here; have it use VEC_iterate.
7909 (print_die): Use VEC_iterate on attrs.
7910 (reverse_die_lists): Don't reverse attr lists.
7911 (die_checksum): Use VEC_iterate on attrs.
7912 (same_die_p): Likewise.
7913 (output_location_lists): Likewise.
7914 (build_abbrev_table): Likewise.
7915 (size_of_die): Likewise.
7916 (unmark_all_dies): Likewise.
7917 (output_abbrev_section): Likewise.
7918 (output_die): Likewise.
7919 (prune_unused_types_walk_attribs): Likewise.
7921 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7923 * doc/install.texi (*-*-solaris2*): Point to the configure page.
7925 2006-04-10 Jakub Jelinek <jakub@redhat.com>
7928 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
7930 2006-04-09 Roger Sayle <roger@eyesopen.com>
7932 * expr.c (store_constructor): Don't bother clearing target if
7933 we're about to assign a vector to it using vec_init_optab.
7935 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
7937 * tree-ssa-alias.c (lhs_may_store_to): New function.
7938 (recalculate_used_alone): Handle LHS of calls.
7940 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7944 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
7945 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
7946 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
7947 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
7948 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
7949 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
7950 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
7951 stubs. Add ".align 8" directives before all ".dword" directives.
7952 (GTHREAD_USE_WEAK): Revise comment.
7953 (TARGET_ATTRIBUTE_WEAK): Define.
7954 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
7955 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
7956 * stublib.c: New file.
7961 * pa.md (cbranch patterns): Revise arguments used in calls to
7962 output_cbranch, output_bb and output_bvd. Add long branch length
7964 (fbranch patterns): Handle long branches.
7965 (jump): Revise length check. Revise arguments for output_lbranch call.
7966 Add long branch length attributes.
7967 (decrement_and_branch_until_zero): Add long branch length attributes.
7968 (output_movb, output_parallel_addb and output_parallel_movb patterns):
7969 Likewise. Revise arguments for output_parallel_addb and
7970 output_parallel_movb calls.
7971 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
7972 output_parallel_movb and output_parallel_addb): Update prototypes.
7973 * pa.c (output_cbranch): Revise arguments. Correct handling of
7974 nullification in long branches.
7975 (output_lbranch): Add new argument to control extraction of delay
7977 (output_bb): Handle long branches.
7978 (output_bvb, output_dbra, output_movb, output_parallel_movb,
7979 output_parallel_addb): Likewise.
7981 2006-04-09 Richard Sandiford <richard@codesourcery.com>
7983 PR rtl-optimization/27073
7984 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
7987 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
7989 * tree.h (tree_memory_tag): Add old_used_alone.
7990 (SMT_OLD_USED_ALONE): New macro.
7991 * tree-ssa-alias.c (recalculate_used_alone): Stop
7992 marking things for renaming unnecessarily.
7994 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
7996 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
7997 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
7998 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
7999 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8000 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8001 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8002 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
8003 spelling convensions.
8004 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8005 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8006 typos. Follow spelling conventions.
8008 2006-04-07 DJ Delorie <dj@redhat.com>
8010 * config/m32c/m32c.c (m32c_function_arg): Structures are always
8011 passed on the stack.
8012 (m32c_init_cumulative_args): When a function returns a structure,
8013 always pass the pointer to that return area on the stack.
8014 (m32c_function_arg_advance): Don't increment the parameter number
8015 if we're processing the returned structure pointer.
8016 (pushm_info): Reverse order of registers.
8018 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
8020 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8021 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8022 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8023 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8025 * tree-chrec.c (chrec_fold_multiply_poly_poly,
8026 chrec_fold_multiply): Same.
8027 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8028 force_expr_to_var_cost): Same.
8029 * tree-mudflap.c (mf_xform_derefs_1): Same.
8030 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8032 2006-04-07 David Edelsohn <edelsohn@gnu.org>
8034 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8035 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
8038 2006-04-07 Jan Hubicka <jh@suse.cz>
8040 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8042 2006-04-07 Richard Guenther <rguenther@suse.de>
8044 PR tree-optimization/26135
8045 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8046 loads for store copy-prop.
8047 (copy_prop_visit_stmt): Likewise.
8049 2006-04-05 Robert Millan <robertmh@gnu.org>
8051 * config/i386/linux.h: Add a comment to mark macros that are
8052 being overriden in config/k*bsd-gnu.h.
8053 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8055 * config/knetbsd-gnu.h: Ditto.
8057 2006-04-06 Jan Hubicka <jh@suse.cz>
8061 * coverage.c (coverage_checksum_string): Reorganize loop to not read
8064 2006-04-06 Mike Stump <mrs@apple.com>
8066 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8067 for HAVE_nonlocal_goto to be consistent.
8068 (expand_builtin_nonlocal_goto): Likewise.
8069 (expand_builtin_strcmp): Use #ifdef instead of #if
8070 for HAVE_cmpstrnsi to be consistent.
8072 2006-04-05 DJ Delorie <dj@redhat.com>
8074 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8077 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
8079 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8080 got-relative addressing for anything but SImode.
8082 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8083 even if the calling function doesn't modify them.
8085 2006-04-05 Richard Guenther <rguenther@suse.de>
8087 PR tree-optimization/26919
8088 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8089 to cgraph_estimate_size_after_inlining.
8091 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8093 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8095 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8097 PR tree-optimization/26996
8098 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8099 VECTOR_TYPE variables.
8101 2006-04-05 Richard Guenther <rguenther@suse.de>
8103 PR tree-optimization/26763
8104 * fold-const.c (fold_comparison): Move folding of
8105 PTR + CST CMP PTR + CST ...
8106 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8108 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8110 * doc/install.texi (Prerequisites): Refine some wording on
8111 bootstrapping and ksh.
8112 Move the version numbers of DejaGnu here from the testing section
8113 and fix casing of names.
8114 Fix markup and clarify wording for autogen requirements.
8115 Refer to GCJ instead of just java.
8116 Refer to SVN instead of CVS.
8117 Describe diffutils as useful instead of necessary.
8118 (Downloading the source): Refer to SVN instead of CVS.
8119 Adjust a link to our web site accordingly.
8120 (Configuration): Fix casing of Bison.
8121 (Building): Refer to SVN instead of CVS.
8122 Fix a sentence on the use of Bison and remove duplicate (and
8123 incorrect) version number of Bison requirement.
8124 Remove one redundant list of packages needed for building.
8125 (Specific): Avoid reference to CVS.
8127 2006-04-04 Eric Christopher <echristo@apple.com>
8129 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8130 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8131 (rs6000_handle_struct_attribute): New.
8132 (rs6000_ms_bitfield_layout_p): Ditto.
8134 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8136 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8137 NULL for dso parameter to atexit_common.
8139 2006-04-04 Eric Christopher <echristo@apple.com>
8141 * config/i386/i386.c (machopic_output_stub): Output \t
8142 between instructions and operands.
8144 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8146 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8147 satisfies_constraint_[IL] to explicit tests on value.
8149 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8151 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8152 set_nb_iterations_in_loop): Use build_int_cst instead of
8154 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8155 build_int_cst instead of convert.
8157 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
8159 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8160 new value 2 for incoming.
8161 * function.c (expand_function_start): Call struct_value_rtx
8163 * config/sparc/sparc.md: Comment updated_return.
8164 * config/sparc/sparc.opt: Add -mstd-struct-return option.
8165 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8166 struct return if sparc_std_struct_return and incoming is 2.
8167 (print_operand): Do not adjust return if
8168 sparc_std_struct_return.
8170 2006-04-04 Roger Sayle <roger@eyesopen.com>
8172 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8173 convert in the middle-end.
8174 * expr.c (store_expr, store_constructor, get_inner_reference,
8175 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8177 * tree.c (build_range_type): Likewise.
8179 2006-04-04 Tom Tromey <tromey@redhat.com>
8181 * doc/install.texi (Prerequisites): Mention jar.
8183 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
8185 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8188 2006-04-04 Matthias Klose <doko@debian.org>
8190 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8194 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8197 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8199 * doc/extend.texi (Function Attributes): Rewrite visibility
8200 attribute documentation.
8201 * doc/invoke.texi (C++ Dialect Options): Rewrite
8202 -fvisibility-inlines-hidden documentation to describe something
8203 entirely different, although in practise compatible.
8204 (Code Gen Options): Warn about system headers in -fvisibility=
8207 * doc/extend.texi (Other Builtins): Document that
8208 __builtin_nan is a compile-time constant only when its argument
8211 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8213 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8214 trying to remove TRUNCATE check if all bits outside the new mode
8215 are identical to the sign bit.
8217 2006-04-03 Jeff Law <law@redhat.com>
8219 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8220 and operand scanning in some common cases.
8222 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8223 Dale Johannesen <dalej@apple.com>
8226 * regclass.c (struct reg_pref): Update documentation.
8227 (regclass): Set prefclass to NO_REGS if memory is the best option.
8228 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8229 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8230 into account. For non-registers, equate an empty preferred
8231 reload class to a `!' in the constraint; move the if clause to
8232 do so after those that reject the insn.
8233 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8235 (find_dummy_reload): Likewise.
8236 * doc/tm.texi (Register Classes): Document what it means
8237 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8238 * config/i386/i386.c (ix86_preferred_reload_class): Force
8239 using SSE registers (and return NO_REGS for floating-point
8240 constants) if math is done with SSE.
8241 (ix86_preferred_output_reload_class): New.
8242 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8243 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8244 * config/i386/i386.md: Remove # register preferences.
8246 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8249 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8250 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8251 the type of nb_iter.
8252 (instantiate_parameters_1): Convert the operands before calling
8253 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8254 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8256 2006-04-02 Roger Sayle <roger@eyesopen.com>
8258 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8259 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8261 * dojump.c (do_jump): Likewise.
8262 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8263 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8264 gimplify_boolean_expr): Likewise.
8265 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8266 * varasm.c (array_size_for_constructor): Likewise.
8267 * tree-object-size.c (compute_object_offset): Likewise.
8269 2006-04-02 Roger Sayle <roger@eyesopen.com>
8272 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8273 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8275 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8277 PR tree-optimization/26939
8278 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8280 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8282 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8283 at_stmt. Convert the type of operands before calling
8284 build_polynomial_chrec.
8285 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8287 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8288 (instantiate_parameters_1): Convert the type of operands before calling
8289 build_polynomial_chrec.
8290 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8291 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8292 reset_evolution_in_loop): Insert asserts to check the types of the
8294 (chrec_type): Moved...
8295 (eq_evolutions_p): Use operand_equal_p.
8296 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8297 the types of the operands.
8298 (chrec_type): ...here.
8299 * tree-data-ref.c (create_data_ref): Convert the operands before
8300 calling chrec_replace_initial_condition.
8301 (same_access_functions, analyze_subscript_affine_affine,
8302 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8303 (compute_subscript_distance, analyze_ziv_subscript,
8304 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8305 analyze_miv_subscript): Convert the operands before calling
8306 chrec_fold_minus or chrec_fold_plus.
8308 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8310 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8311 the dependence_relations vector.
8312 (compute_data_dependences_for_loop): Adjust call to
8313 compute_all_dependences.
8315 2006-04-01 Roger Sayle <roger@eyesopen.com>
8316 Richard Henderson <rth@redhat.com>
8318 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8319 gimple_boolify on the condition before calling gimplify_expr.
8321 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8323 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8324 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8325 the frame size. Update to use the new macros.
8326 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8327 * config/xtensa/ieee754-df.S: Likewise.
8329 2006-03-31 Richard Henderson <rth@redhat.com>
8331 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8332 (make_edges): ... here. Control fallthru creation with a local
8333 variable. Do not play with fake edges.
8334 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8335 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8338 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8340 * dwarf2.h (DW64_CIE_ID): Define.
8341 * dwarf2out.c (DWARF_CIE_ID): Define.
8342 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8343 length header. Use DWARF_CIE_ID.
8344 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8345 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8347 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8349 * config/sh/linux-atomic.asm: New file.
8350 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8352 2006-03-31 DJ Delorie <dj@redhat.com>
8354 * config/m32c/cond.md: Set condition flags properly throughout.
8355 * config/m32c/minmax.md: Likewise.
8356 * config/m32c/prologue.md: Likewise.
8357 * config/m32c/bitops.md: Likewise.
8358 * config/m32c/muldiv.md: Likewise.
8359 * config/m32c/mov.md: Likewise.
8360 * config/m32c/addsub.md: Likewise.
8361 * config/m32c/m32c.md: Likewise.
8362 * config/m32c/jump.md: Likewise.
8363 * config/m32c/shift.md: Likewise.
8365 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8366 conditionally output the pattern for this.
8367 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8368 (m32c_compare_redundant): New.
8369 (m32c_output_compare): New.
8370 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8372 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8373 dest, not src. Allow other 4-byte modes.
8375 2006-03-30 Denis Chertykov <denisc@overta.ru>
8377 * doc/md.texi: Refer to avr/constraints.md instead of
8380 2006-03-30 Roger Sayle <roger@eyesopen.com>
8382 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8383 signed vs. unsigned comparison failures on some hosts.
8385 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8388 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8389 change to FLOAT_REGS.
8391 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8392 (rs6000_override_options): Use it.
8393 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8394 only for -mabi=spe/no-spe and -mabi=altivec.
8396 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8398 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8401 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8403 * Makefile.in: Rename docdir to gcc_docdir.
8405 2006-03-30 Roger Sayle <roger@eyesopen.com>
8408 * expr.c (emit_group_store): Optimize group stores into a pseudo
8409 register by using a paradoxical subreg to initialize the destination
8410 if the first or last member of the group specifies a "low part".
8412 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8415 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8416 * target.h (struct gcc_target.speculate_insn): Change type of the
8417 second parameter to 'int'.
8418 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8419 the second operand of the DEPS_LIST.
8420 (copy_DEPS_LIST_list): Update reference to the second operand of the
8422 * rtl.h (alloc_DEPS_LIST): Update signature.
8423 * sched-int.h (ds_t): Change typedef to 'int'.
8424 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8426 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8428 * haifa-sched.c (try_ready): Change condition to restore
8429 non-speculative pattern of the instruction.
8430 (process_insn_depend_be_in_spec): Code to keep probability of the
8431 speculative dependence non-decreasing.
8433 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8435 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8436 (single_move_for_movmem): ... this. Also change all uses.
8437 (bfin_expand_strmov): Renamed to...
8438 (bfin_expand_movmem): ... this. Also change all uses.
8439 * config/bfin/bfin.md (movstrsi): Renamed to...
8440 (movstrsi): ...this.
8442 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8444 PR tree-optimization/26830
8446 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8447 (copy_prop_visit_stmt): Remove write-only variable ann.
8448 (init_copy_prop): Check variable loop depth here. Do not simulate
8449 memory-tag and virtual operand PHIs except for store copy prop.
8451 2006-03-30 Richard Guenther <rguenther@suse.de>
8453 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8454 variants with double arguments.
8456 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8458 * genpreds.c (write_tm_constrs_h): Delete variable p.
8459 * genconditions.c (write_header): Add tm-constrs.h to included
8461 * genpeep.c (main): Add toplev.h to included headers.
8462 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8463 (build/genpeep.o): Add toplev.h dependency.
8464 * config/rs6000/constraints.md: Add "W" constraint.
8466 2006-03-29 Roger Sayle <roger@eyesopen.com>
8468 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8469 sizes by correctly testing whether the size fits a host integer.
8470 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8471 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8472 SImode range for the default sizetype and bitsizetype.
8474 2006-03-29 Roger Sayle <roger@eyesopen.com>
8476 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8477 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8478 quickly if the argument is already of the correct type.
8479 Call fold_build1 instead of build1. Tidy up blank lines.
8481 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8483 * genemit.c (main): Add tm-constrs.h to included headers.
8484 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8485 * genpeep.c (main): Add tm-constrs.h to included headers.
8486 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8487 (write_tm_constrs_h): this and write complete file.
8488 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8489 (write_insn_preds_c): Add tm-constrs.h to included headers.
8490 (gen_constrs): New variable.
8491 (parse_option): Parse "-c".
8492 (main): Invoke write_tm_constrs_h.
8493 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8494 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8495 (object_out_file): Add tm-constrs.h dependency.
8496 (insn-emit.o): Same.
8497 (insn-output.o): Same.
8498 (insn-peep.o): Same.
8499 (insn-preds.o): Same.
8500 (insn-recog.o): Same.
8501 (tm-constsr.h): New target.
8502 (s-constrs-h): New target.
8504 * config/rs6000/constraints.md: New file.
8505 * config/rs6000/rs6000.c: Include tm-constrs.h.
8506 (num_insn_constant_wide): Convert to satisfies_constraint.
8507 (rs6000_rtx_costs): Convert to satisfies_constraint.
8508 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8509 (CONST_OK_FOR_LETTER_P): Delete.
8510 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8511 (EXTRA_CONSTRAINT): Delete.
8512 (EXTRA_MEMORY_CONSTRAINT): Delete.
8513 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8514 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8515 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8516 satisfies_constraint.
8518 * config/i386/i386.c: Include tm-constrs.h.
8520 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8522 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8523 * tree-data-ref.c (find_data_references_in_loop,
8524 compute_data_dependences_for_loop): Use pointers to VEC.
8525 (analyze_all_data_dependences): Adjust calls.
8526 * tree-data-ref.h (find_data_references_in_loop,
8527 compute_data_dependences_for_loop): Adjust declarations.
8528 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8529 compute_data_dependences_for_loop.
8531 2006-03-29 Paul Brook <paul@codesourcery.com>
8533 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8536 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8538 PR tree-optimization/26859
8539 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8541 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8542 for the step after fold_convert.
8544 2006-03-29 Paul Brook <paul@codesourcery.com>
8546 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8547 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8549 2006-03-29 Paul Brook <paul@codesourcery.com>
8552 * targhooks.c (default_narrow_bitfield): New fuction.
8553 * targhooks.h (default_narrow_bitfield): add prototype.
8554 * target.h (gcc_target): Add narrow_volatile_bitfield.
8555 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8556 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8557 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8558 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8560 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8562 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8564 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8565 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8566 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8567 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8568 (s390_function_arg_float): Allow SDmode and DDmode values to be
8569 passed in floating point registers.
8570 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8571 check with SCALAR_FLOAT_MODE_P.
8572 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8574 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8576 PR tree-optimization/25985
8577 * tree-ssa-loop-niter.c (number_of_iterations_le,
8578 number_of_iterations_ne): Make comments more precise.
8579 (number_of_iterations_cond): Add only_exit argument. Use the
8580 fact that signed variables do not overflow only when only_exit
8582 (loop_only_exit_p): New.
8583 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8584 number_of_iterations_cond.
8586 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8588 PR tree-optimization/26643
8589 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8592 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8594 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8595 (divsi3_i4_int): Likewise.
8597 2006-03-28 Roger Sayle <roger@eyesopen.com>
8599 * expr.c (emit_group_store): Only create a new pseudo reg if the
8600 quantity it needs to hold isn't already a suitable pseudo.
8602 2006-03-28 Jeff Law <law@redhat.com>
8604 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8605 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8607 2006-03-28 Roger Sayle <roger@eyesopen.com>
8609 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8610 the equivalent ~X & Y, and the symmetry related transformations.
8611 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8612 ~X & Y, and symmetry related transforms.
8614 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8616 Revert my 2006-03-27 patches.
8618 2006-03-28 Roger Sayle <roger@eyesopen.com>
8620 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8621 ~(T1)X, when T1 and T2 are integer types of the same precision
8622 and (T2)X isn't an extension.
8624 2006-03-28 Jeff Law <law@redhat.com>
8626 PR tree-optimization/26796
8627 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8628 need EH edge cleanups rather than purging them immediately.
8629 (eliminate_degenerate_phis): Handle queued EH cleanups.
8631 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8633 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8636 2006-03-27 Roger Sayle <roger@eyesopen.com>
8639 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8640 cast BIT_NOT_EXPR operand to the correct type.
8642 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8644 * tree-loop-linear.c: Don't include varray.h.
8645 (gather_interchange_stats, try_interchange_loops,
8646 linear_transform_loops): Use VEC instead of VARRAY.
8647 * lambda-mat.c: Don't include varray.h.
8648 * tree-chrec.c: Same.
8649 * lambda-trans.c: Same.
8650 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8651 VEC instead of VARRAY.
8652 * tree-vectorizer.h: Idem.
8653 * tree-data-ref.c (dump_data_references,
8654 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8655 initialize_data_dependence_relation, finalize_ddr_dependent,
8656 compute_all_dependences, find_data_references_in_loop,
8657 compute_data_dependences_for_loop, analyze_all_data_dependences,
8658 free_dependence_relation, free_dependence_relations,
8659 free_data_refs): Idem.
8660 * tree-data-ref.h (data_reference_p, subscript_p): New.
8661 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8662 VEC instead of VARRAY.
8663 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8664 (find_data_references_in_loop, compute_data_dependences_for_loop,
8665 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8666 dump_data_dependence_relations, free_dependence_relations,
8667 free_data_refs): Adjust declaration.
8668 (lambda_transform_legal_p): Move declaration here...
8669 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8670 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8671 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8672 vect_analyze_data_refs): Use VEC instead of VARRAY.
8673 * lambda.h (lambda_transform_legal_p): ...from here.
8674 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8675 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8676 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8677 tree-chrec.o): Don't depend on VARRAY_H.
8679 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8681 * rtl.def (Copyright): Update date.
8682 (DEPS_LIST): Change type of the second operand to 'int'.
8683 * target.h (Copyright): Update date.
8684 (struct gcc_target.speculate_insn): Change type of the second parameter
8686 * lists.c (Copyright): Update date.
8687 (alloc_DEPS_LIST): Change signature. Update reference to the second
8688 operand of the DEPS_LIST.
8689 (copy_DEPS_LIST_list): Update reference to the second operand of the
8691 * rtl.h (Copyright): Update date.
8692 (alloc_DEPS_LIST): Update signature.
8693 * sched-int.h (Copyright): Update date.
8694 (ds_t): Change typedef to 'int'.
8695 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8697 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8699 * haifa-sched.c (Copyright): Update date.
8700 (try_ready): Change condition to restore non-speculative pattern
8702 (process_insn_depend_be_in_spec): Code to keep probability of the
8703 speculative dependence non-decreasing.
8705 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8707 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8708 shut up the compiler.
8710 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8712 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8713 to use lib prefix for target.
8714 ($(T)libic_invalidate_array_4-200.a): Likewise.
8715 ($(T)libic_invalidate_array_4a.a): Likewise.
8717 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8718 J"orn Rennecke <joern.rennecke@st.com>
8720 * superh.opt: New file.
8721 * sh.c (boardtype, osruntime): Remove.
8722 * superh.h (SUBTARGET_OPTIONS): Remove.
8723 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8725 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8726 arguments with ^ and/or [].
8728 * config.gcc (sh-*-*): Add quoting to account for quirk of
8730 Replace == with = in enable_incomplete_targets test.
8732 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8733 with MASK_LITTLE_ENDIAN.
8735 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8736 * config/sh/sh.opt: Added to some comments.
8737 * config/sh/superh.h: Removed some chaff.
8739 * config/sh/sh.opt: Add m4-[1234]00* options.
8740 * config/sh/sh.c (sh_handle_option): Likewise.
8741 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8742 (ic_invalidate_array_4-100.o): New rule.
8743 ($(T)libic_invalidate_array_4-100.a): Likewise.
8744 (ic_invalidate_array_4-200.o): Likewise.
8745 ($(T)libic_invalidate_array_4-200.a): Likewise.
8746 (ic_invalidate_array_4a.o): Likewise.
8747 ($(T)libic_invalidate_array_4a.a): Likewise.
8748 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8749 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8751 * config/sh/crt1.asm: Merged in profiling code.
8752 * config/sh/superh.h (STARTFILE_SPEC): Override.
8753 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8754 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8755 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8757 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8758 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8759 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8761 * sh.opt (mpretend-cmove): New option.
8762 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8763 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8764 (movsicc): Add TARGET_PRETEND_CMOVE code.
8766 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8768 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8769 s390_class_max_nregs): New function prototypes.
8770 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8771 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8772 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8773 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8775 2006-03-26 Geoffrey Keating <geoffk@apple.com>
8777 * dwarf2out.c (add_location_or_const_value_attribute): Call
8778 tree_add_const_value_attribute if nothing else works.
8779 (reference_to_unused): New.
8780 (rtl_for_decl_init): Use reference_to_unused to decide whether
8781 to output an initializer.
8783 2006-03-27 Alan Modra <amodra@bigpond.net.au>
8786 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
8787 peephole removing spe frob_di_df_2.
8789 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
8791 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
8792 (subscript_dependence_tester_1): Declared.
8793 (print_dir_vectors, print_dist_vectors): New.
8794 (debug_data_dependence_relation): New.
8795 (dump_data_dependence_relation): Print more details.
8796 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
8797 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
8798 (save_dist_v, save_dir_v, add_outer_distances,
8799 build_classic_dist_vector_1): New.
8800 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
8801 Don't test for lambda_vector_lexico_pos.
8802 (same_access_functions, add_multivariate_self_dist,
8803 add_other_self_distances, dir_from_dist): New.
8804 (build_classic_dir_vector): Replace implementation almost identical to
8805 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8807 (subscript_dependence_tester_1): New.
8808 (subscript_dependence_tester): Handle the lexicographically negative
8809 distance vectors by recomputing the dependence relation.
8810 (compute_affine_dependence): Remove parameter loop_nest_depth.
8811 (compute_self_dependence): Don't call compute_subscript_distance.
8812 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8813 Add a parameter for the loop_nest.
8814 (find_loop_nest_1, find_loop_nest): New.
8815 (compute_data_dependences_for_loop): Compute the loop nest, and give
8816 up if the nest is not well formed.
8817 * tree-data-ref.h (loop_p): New.
8818 (struct data_dependence_relation): Replace size_vect field with
8819 loop_nest, a vec of loops.
8820 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8821 (DDR_LOOP_NEST): New.
8822 (print_dir_vectors, print_dist_vectors,
8823 debug_data_dependence_relation): Declared.
8824 (index_in_loop_nest): New.
8825 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8826 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8829 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8831 * simplify-rtx.c (simplify_relational_operation): Call
8832 simplify_relational_operation_1 even if mode is VOIDmode.
8834 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8836 PR tree-optimization/26804
8837 * tree.h (DECL_CALL_CLOBBERED): New macro.
8838 (tree_decl_common): Add call_clobbered_flag.
8839 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8840 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8841 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8842 (mark_non_addressable): Ditto.
8843 * tree-ssa.c (verify_call_clobbered): New function.
8844 (verify_alias_info): Use it.
8845 * tree-pass.h (pass_reset_cc_flags): New prototype.
8846 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8847 (reset_cc_flags): New function.
8848 * passes.c (init_optimization_passes): Call reset_cc_flags after
8849 initializing referenced_vars.
8851 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8852 Roger Sayle <roger@eyesopen.com>
8855 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8856 to 1.0 for non-real operands. Implement A / A optimization for
8859 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
8861 * config/i386/i386.c (size_cost): Correct the comment for
8862 cost of storing fp registers.
8863 (i386_cost): Likewise.
8864 (i486_cost): Likewise.
8865 (pentium_cost): Likewise.
8866 (pentiumpro_cost): Likewise.
8867 (k6_cost): Likewise.
8868 (athlon_cost): Likewise.
8869 (k8_cost): Likewise.
8870 (pentium4_cost): Likewise.
8871 (nocona_cost): Likewise.
8872 (generic64_cost): Likewise.
8873 (generic32_cost): Likewise.
8875 2006-03-24 Denis Chertykov <denisc@overta.ru>
8877 * config/avr/avr-protos.h (extra_constraint): Delete.
8878 (extra_constraint_Q): New declaration.
8879 * config/avr/constraints.md: New file.
8880 * config/avr/avr.md: Include it.
8881 (REG_X, REG_Y, REG_Z, REG_W): New constants.
8882 (TMP_REGNO, ZERO_REGNO): Likewise.
8883 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
8884 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
8885 (extra_constraint): Delete.
8886 (extra_constraint_Q): Test for memory constraint 'Q'.
8887 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
8888 (REG_CLASS_FROM_LETTER): Delete.
8889 (CONST_OK_FOR_LETTER_P): Delete.
8890 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8891 (EXTRA_CONSTRAINT): Delete.
8892 (TMP_REGNO): Delete.
8893 (ZERO_REGNO): Delete.
8895 2006-03-24 Jeff Law <law@redhat.com>
8897 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
8898 directly. Call mark_new_vars_to_rename slightly earlier.
8900 2006-03-24 Geoffrey Keating <geoffk@apple.com>
8902 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
8904 (gen_compile_unit_die): Use new language types for Objective-C and
8906 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
8907 DW_LANG_C_plus_plus.
8910 * config/t-darwin (crt3.o): Work around bug 26840.
8911 * config/darwin-crt3.c: Rewrite.
8912 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
8914 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
8916 * doc/invoke.texi: Document -femit-class-debug-always
8917 * common.opt: Add -femit-class-debug-always.
8919 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
8921 * config/s390/s390.c (s390_decompose_address): Allow SImode for
8922 index and base register.
8923 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
8924 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
8925 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
8926 REGNO_OK_FOR_INDEX_P.
8927 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
8929 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
8930 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
8931 REG_OK_FOR_BASE_P): Definitions removed.
8933 2006-03-24 Jakub Jelinek <jakub@redhat.com>
8936 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
8937 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
8938 set yet or weren't marked as local yet.
8940 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
8942 * regrename.c (scan_rtx_address): Initialize a variable to shut up
8945 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
8947 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
8948 (rs6000_legitimate_small_data_p): Delete.
8949 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
8950 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
8951 and make static. Add forward declaration. Update uses.
8952 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
8953 of offsettable_memref_p.
8954 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
8955 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
8957 2006-03-24 Jeff Law <law@redhat.com>
8959 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
8960 around bug in immediate-use iterator.
8962 2006-03-24 Alan Modra <amodra@bigpond.net.au>
8965 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
8966 or __LITTLE_ENDIAN__.
8968 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
8970 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
8971 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
8972 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
8973 * config/sh/sh.opt (mdiv=): Amend description.
8974 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
8975 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
8976 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
8977 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
8978 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
8979 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
8980 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
8981 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
8982 TARGET_DIVIDE_CALL_FP.
8984 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8986 * haifa-sched.c (choose_ready): Fix type of the local variable.
8987 Move local variables. Add comment.
8988 (check_reg_live): Change signature. Make callable from debugger.
8989 * sched-int.h (check_reg_live): Update signature.
8990 * sched-ebb.c (check_reg_live): Update parameters.
8991 * sched-rgn.c (check_reg_live): Ditto.
8992 (region_head_or_leaf_p): Check pointer before dereferencing.
8993 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
8994 before reload on optimization levels below 1.
8996 2006-03-23 Richard Henderson <rth@redhat.com>
8998 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9002 * config/alpha/predicates.md (local_symbolic_operand): Reject
9005 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
9008 * tree-ssa-pre.c (create_value_expr_from): Don't reject
9009 expressions which have overflowed constants.
9011 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9013 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9015 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9017 * cfgloopmanip.c (create_loop_notes): Removed.
9018 * final.c (final_scan_insn): Do not handle loop notes.
9019 * jump.c (squeeze_notes): Ditto.
9020 * cfglayout.c (skip_insns_after_block,
9021 duplicate_insn_chain): Ditto.
9022 * cfgcleanup.c (rest_of_handle_jump2): Do not call
9024 * cfgloop.h (create_loop_notes): Declaration removed.
9026 2006-03-23 Richard Sandiford <richard@codesourcery.com>
9028 * varasm.c (output_constant_pool): Restore fnname and fndecl
9030 (assemble_start_function): Adjust call accordingly.
9031 (assemble_end_function): Likewise.
9033 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9036 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9039 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9041 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9044 * system.h (ICE_EXIT_CODE): New macro.
9045 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9046 (diagnostic_action_after_output): Likewise.
9047 * gcc.c (fatal_ice): New function.
9048 (execute): Use it instead of fatal.
9049 (fancy_abort): Likewise.
9050 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9052 2006-03-22 Jeff Law <law@redhat.com>
9054 * loop-unroll.c (analyze_iv_to_split_insn): Handle
9055 iv_analyze_result returning false.
9057 2006-03-22 Jie Zhang <jie.zhang@analog.com>
9059 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9061 2006-03-22 Richard Henderson <rth@redhat.com>
9064 * except.c (duplicate_eh_regions_0): New.
9065 (duplicate_eh_region_1): Duplicate the children of the node as
9066 well as the node itself. Link them up properly.
9067 (duplicate_eh_region_2): Merge into ...
9068 (duplicate_eh_regions): ... here. Take copy_region argument, and
9069 copy only a sub-tree if asked. Simplify copying and fixup.
9070 (eh_region_outer_p): New.
9071 * except.h (duplicate_eh_regions): Update decl.
9072 (eh_region_outer_p): Declare.
9073 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9074 (lower_omp_master): Likewise.
9075 (lower_omp_ordered): Likewise.
9076 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9077 (move_stmt_r): Use it to remap labels. Handle recursion vs
9078 remap_decls_p properly.
9079 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
9080 (find_outermost_region_in_block): New.
9081 (new_label_mapper): New.
9082 (move_sese_region_to_fn): Copy eh information to the new function
9084 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9086 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9089 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9091 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9092 into shared libraries.
9094 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9096 * doc/md.texi: Refer to i386/constraints.md instead of
9098 * config/i386/constraints.md: New file, extracted from...
9099 * config/i386/predicates.md: ...here.
9100 * config/i386/i386.md: Include constraints.md.
9102 2006-03-21 Jason Merrill <jason@redhat.com>
9104 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9107 * expr.c (init_block_move_fn): Force default visibility.
9108 (init_block_clear_fn): Likewise.
9109 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9110 * targhooks.c (default_external_stack_protect_fail): Likewise.
9112 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9114 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9115 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9116 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9117 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9118 (loadgp): Use mips_current_loadgp_style.
9119 (loadgp_noshared): New pattern.
9120 (sibcall_internal): Use MIPS_CALL.
9121 (sibcall_value_internal): Likewise.
9122 (sibcall_value_multiple_internal): Likewise.
9123 (call_internal): Likewise.
9124 (call_value_internal): Likewise.
9125 (call_value_multiple_internal): Likewise.
9126 (call_split): Use MIPS_CALL and add an 'S' constraint.
9127 (call_value_split): Likewise.
9128 (call_value_multiple_split): Likewise.
9129 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9130 (-mshared): New option.
9131 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9132 (mips_current_loadgp_style): Declare.
9133 * config/mips/mips.c (mips_classify_symbol): Avoid using
9134 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9135 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9136 TARGET_ABSOLUTE_ABICALLS.
9137 (override_options): Adjust comments. Improve the warning that is
9138 issued when -mabicalls and -G are used together.
9139 (mips_file_start): Remove comment.
9140 (mips_current_loadgp_style): New function.
9141 (mips_gnu_local_gp): New variable.
9142 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9144 (mips_output_function_prologue): Use mips_current_laodgp_style.
9145 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9146 the cprestore instruction.
9147 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9148 live for TARGET_ABSOLUTE_ABICALLS.
9149 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9150 (ASM_SPEC): Pass down -mshared and -mno-shared.
9151 (MIPS_CALL): New macro.
9152 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9154 * doc/invoke.texi (-mabicalls): Update documentation.
9155 (-mshared): Document.
9157 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9159 * config/ia64/unwind-hpux.c: New file.
9160 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9162 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9165 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9167 2006-03-21 Jeff Law <law@redhat.com>
9169 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9170 type conversions of a VR_VARYING source to a wider type.
9172 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9174 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9175 tm_file on Solaris 10 and later.
9176 (sparc64-*-solaris2*): Likewise.
9177 (sparc-*-solaris2*): Likewise.
9178 * config/sol26.h: Rename to config/sol2-6.h.
9179 * config/sol2-10.h: New file.
9181 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
9184 * tree-ssa-pre.c (create_component_ref_by_pieces):
9187 2006-03-21 Jakub Jelinek <jakub@redhat.com>
9190 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9191 return it immediately.
9193 2006-03-21 Michael Matz <matz@suse.de>
9195 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9197 (remove_arc, add_arc): Update num_out_arcs member.
9198 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9200 (cache_presence): New function.
9201 (compare_states_for_equiv): New function.
9202 (state_is_differed): Don't take number of outargs, adjust callers.
9203 Use new invariant for speeding up.
9204 (init_equiv_class): Create initial classes based on sorted
9206 (partition_equiv_class): Don't track out_arcs_num.
9207 (evaluate_equiv_classes): Call cache_presence on all states and
9210 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9212 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9213 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9214 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9215 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9217 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9218 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9219 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9220 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9221 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9223 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9224 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9225 (REGNO_REG_CLASS): ARGP is in PREGS.
9226 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9228 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9229 to deal with those addresses.
9230 * addresses.h: New file.
9231 * caller-save.c: Include "addresses.h".
9232 (init_caller_save): Use new base_reg_class function.
9233 * rtl-factoring.c: Include "addresses.h".
9234 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9235 * recog.c: Include "addresses.h".
9236 (preprocess_constraints): Use new base_reg_class function.
9237 * regrename.c: Include "addresses.h".
9238 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9239 functions. Keep track of a new var INDEX_CODE to compute valid
9241 (replace_oldest_value_addr): Likewise.
9242 (replace_oldest_value_mem): Use base_reg_class.
9243 * reload.c: Include "addresses.h".
9244 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9245 (find_reloads): Use new base_reg_class function.
9246 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9247 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9248 all callers and prototype changed.
9249 * reload1.c: Include "addresses.h".
9250 (maybe_fix_stack_asms): Use base_reg_class.
9251 * regclass.c: Include "addresses.h".
9252 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9253 (init_reg_autoinc): Use new base_reg_class function.
9254 (record_reg_classes): Likewise.
9255 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9256 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9257 Use new args to compute necessary class.
9259 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9260 regrename.o, rtl-factoring.o): Update dependencies.
9261 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9262 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9263 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9264 REG_OK_FOR_INDEX_P): Delete documentation.
9266 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9268 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9269 from V7 to V9 for Solaris 7 and above.
9271 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9273 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9274 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9275 argument pointers may not alias any other storage.
9276 * common.opt: Define option -fargument-noalias-anything.
9277 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9278 alias semantics is specified by flag_argument_noalias > 2.
9280 2006-03-20 Jeff Law <law@redhat.com>
9282 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9283 (pass_phi_only_cprop): Declare.
9284 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9286 * tree-ssa-dom.c (degenerate_phi_result): New function.
9287 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9288 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9289 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9290 (eliminate_degenerate_phis): Likewise.
9291 (pass_phi_only_cprop): New pass descriptor.
9292 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9293 support code. Callers updated.
9294 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9295 (store_copy_prop): Likewise.
9296 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9298 2006-03-20 Jason Merrill <jason@redhat.com>
9301 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9302 (push_visibility, pop_visibility): Likewise.
9303 * c-pragma.h: Declare them.
9305 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9307 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9309 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9310 parameter and use get_ebb_head_tail.
9311 (sh_md_init_global): Adjust uses of find_regmode_weight.
9313 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9315 * function.h (struct function) <x_tail_recursion_reentry>:
9316 Rename to x_stack_check_probe_note.
9317 (tail_recursion_reentry): Rename to stack_check_probe_note.
9318 * function.c: Replace tail_recursion_reentry with
9319 stack_check_probe_note everywhere.
9320 (expand_function_start): Only emit a note for
9321 stack_check_probe_note with -fstack-protect.
9322 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9324 * emit-rtl.c (remove_unnecessary_notes): Remove.
9325 (pass_remove_unnecessary_notes): Remove.
9326 * rtl.h (remove_unnecessary_notes): Remove prototype.
9327 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9328 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9329 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9331 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9334 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9335 (valid_in_set): Handle ARRAY_REF.
9336 Change "if min_variant or VH" to asserts.
9337 (create_component_ref_by_pieces): Handle ARRAY_REF.
9338 (create_expression_by_pieces): Likewise.
9339 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9341 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9343 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9344 is operand of switch, not str[0].
9346 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9348 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9349 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9351 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9353 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9354 end of insn_extra_address_constraint declaration.
9356 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9358 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9359 (no-sum-in-toc): Same.
9360 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9362 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9363 NO_FP_IN_TOC for -fPIC instead of mask.
9365 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9366 (BOOT_LDFLAGS): Delete.
9368 * config/rs6000/t-aix52: Same.
9370 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9371 (stmsi[345678]_power): New.
9373 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9375 * config/ia64/ia64.opt: Add empty line to end of file.
9377 2006-03-17 Richard Guenther <rguenther@suse.de>
9380 * builtins.c (get_pointer_alignment): For component style references
9381 adjust alignment to the component type alignment. Make sure
9382 to adjust alignment for component access of constants.
9384 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9386 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9389 2006-03-17 Paul Brook <paul@codesourcery.com>
9391 * doc/install.texi: Docuemnt --with-mode.
9392 * config.gcc: Add --with-mode for arm*-*-*.
9393 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9395 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9397 * sh.c (max_labelno_before_reorg): New variable.
9398 (sh_reorg): Initialize it.
9399 (find_barrier): Check max_labelno_before_reorg before using
9400 label_to_alignment. Take length of explicit alignment insns
9401 into account. When seeing a UNSPECV_CONST_END, return it.
9403 * sh.c (fixup_mova): Set mode of affected label to QImode.
9404 (untangle_mova): New function.
9405 (find_barrier): Use it. Check mode of label before decrementing
9407 (sh_reorg): Likewise.
9408 Set mode of all insns back to VOIDmode.
9410 * sh.c (MOVA_LABELREF): New macro.
9411 (mova_p, fixup_mova, sh_reorg): Use it.
9412 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9413 ADDR_DIFF_VEC matches mova.
9415 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9417 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9418 with ATTRIBUTE_UNUSED.
9420 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9422 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9423 pointer, instead of assuming it is possible to derive the
9424 correct args size from a call insn.
9426 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9428 * rtl.h (CONST_INT_P): Define.
9429 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9430 instead of GET_CODE(x) == CONST_INT.
9431 (vax_rtx_costs): Likewise.
9432 (vax_output_int_move): Likewise.
9433 (vax_output_int_add): Likewise.
9434 (legitimate_constant_address_p): Likewise.
9435 (index_term_p): Likewise.
9436 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9437 * config/vax/vax.md (and<mode>3): Likewise.
9438 (ashrsi3): Likewise.
9440 (movstricthi): Likewise.
9441 (movstrictqi): Likewise.
9442 (rotrsi3): Likewise.
9443 (five unnamed insns): Likewise.
9445 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9447 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9448 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9449 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9450 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9451 Pass to ASM_OUTPUT_DWARF_OFFSET.
9452 * dwarf2out.c (debug_frame_section): New.
9453 (output_call_frame_info): Use debug_frame_section. Pass it to
9454 dw2_asm_output_offset.
9455 (output_die): Pass appropriate section to dw2_asm_output_offset.
9456 (output_compilation_unit_header): Likewise.
9457 (output_pubnames): Likewise.
9458 (output_aranges): Likewise.
9459 (enum dw_val_class): Break dw_val_class_lbl_offset into
9460 dw_val_class_lineptr and dw_val_class_macptr.
9461 (add_AT_lbl_offset): Delete.
9462 (add_AT_lineptr): New.
9463 (add_AT_macptr): New.
9464 (AT_lbl): Expect a lineptr or macptr.
9465 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9466 (attr_checksum): Likewise.
9467 (same_dw_val_p): Likewise.
9468 (size_of_die): Likewise.
9469 (value_format): Likewise.
9470 (output_die): Likewise.
9471 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9473 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9474 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9475 * config/darwin-protos.h (darwin_file_start): New.
9476 (darwin_asm_output_dwarf_offset): New.
9477 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9478 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9480 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9481 if not EH section; simplify.
9482 (darwin_file_start): New.
9483 (darwin_asm_output_dwarf_offset): New.
9484 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9486 (DEBUG_INFO_SECTION): Likewise.
9487 (DEBUG_ABBREV_SECTION): Likewise.
9488 (DEBUG_ARANGES_SECTION): Likewise.
9489 (DEBUG_MACINFO_SECTION): Likewise.
9490 (DEBUG_LINE_SECTION): Likewise.
9491 (DEBUG_LOC_SECTION): Likewise.
9492 (DEBUG_PUBNAMES_SECTION): Likewise.
9493 (DEBUG_STR_SECTION): Likewise.
9494 (DEBUG_RANGES_SECTION): Likewise.
9495 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9496 (ASM_OUTPUT_DWARF_OFFSET): New.
9498 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9500 * config.gcc (tm_defines): Always add to previous value rather
9503 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9505 * config/mips/predicates.md (splittable_const_int_operand): New,
9506 split from move_operand.
9507 (splittable_symbolic_operand): New.
9508 (move_operand): Add commentary. Use splittable_const_int_operand.
9509 Inline mips_atomic_symbolic_constant_p.
9510 * config/mips/mips.md: Add combine splitters for handling moves
9511 of splittable_const_int_operands and splittable_symbolic_operands.
9512 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9513 (mips_split_symbol): Declare.
9514 (mips_move_integer): Declare.
9515 * config/mips/mips.c (mips_split_p): Make global.
9516 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9517 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9518 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9519 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9520 (mips_offset_within_object_p): Handle block symbols.
9521 (mips_atomic_symbolic_constant_p): Delete.
9522 (mips_cannot_force_const_mem): Return false for constants that
9523 mips_legitimize_move can handle.
9524 (mips_use_blocks_for_constant_p): New function.
9525 (mips_split_symbol): Make global.
9526 (mips_move_integer): Likewise. Add a temporary register argument.
9527 (mips_legitimize_const_move): Use splittable_const_int_operand and
9528 splittable_symbolic_operand.
9529 (mips_use_anchors_for_symbol_p): New function.
9530 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9531 (mips_split_p): Declare.
9533 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9535 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9536 (mips*-*-linux*): Likewise.
9538 2006-03-16 Roger Sayle <roger@eyesopen.com>
9539 Daniel Speyer <dspeyer@wam.umd.edu>
9542 * tree-dump.c (dump_real): New function.
9543 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9544 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9545 (tree-dump.o): Add $(REAL_H) to the dependencies.
9547 2006-03-16 Roger Sayle <roger@eyesopen.com>
9550 * real.c (real_from_string): If the mantissa is zero, don't bother
9551 parsing the exponent as the result should always be zero.
9553 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9555 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9557 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9559 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9560 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9561 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9562 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9563 ia64_sched_finish_global): New static functions to implement
9564 hooks from gcc_target.sched.
9565 (spec_check_no, max_uid, pending_data_specs): New static variables.
9566 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9567 ia64_spec_check_src_p): New static functions.
9568 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9569 (TARGET_SCHED_ADJUST_COST): Removed.
9570 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9571 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9572 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9573 TARGET_SCHED_GEN_CHECK,
9574 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9575 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9576 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9577 Fixed to handle speculation checks.
9578 (rtx_needs_barrier): Fixed to handle speculative loads and
9580 (ia64_variable_issue): Added code to count speculative loads and their
9582 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9584 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9586 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9588 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9589 (ia64_reorg): Reset stops_p to NULL after it is freed.
9590 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9591 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9592 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9594 (data_speculative, control_speculative, check_load): New attributes.
9595 (mov<mode>_advanced, mov<mode>_speculative,
9596 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9597 zero_extend<mode>di2_speculative,
9598 zero_extend<mode>di2_speculative_advanced): New patterns for
9599 data and control speculative loads.
9600 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9602 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9603 New pattern for data and control speculation checks.
9604 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9605 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9606 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9607 Auxiliary definitions for the patterns.
9608 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9609 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9611 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9613 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9614 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9615 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9616 New resource constraints.
9617 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9619 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9620 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9621 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9622 msched-in-control-spec, msched-ldc, msched-control-ldc,
9623 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9624 msched-prefer-non-control-spec-insns,
9625 msched-count-spec-in-critical-path): New flags to tune speculative
9627 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9628 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9629 msched-in-control-spec, msched-ldc, msched-control-ldc,
9630 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9631 msched-prefer-non-control-spec-insns,
9632 msched-count-spec-in-critical-path): Document new flags.
9634 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9636 * target.h (struct spec_info_def): New opaque declaration.
9637 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9638 speculate_insn, needs_block_p, gen_check,
9639 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9640 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9641 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9642 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9643 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9644 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9646 (TARGET_SCHED): Use new macros.
9647 * rtl.h (copy_DEPS_LIST_list): New prototype.
9648 * sched-int.h (struct sched_info): Change signature of new_ready field,
9649 adjust all initializations. New fields: add_remove_insn,
9650 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9651 region_head_or_leaf_p.
9652 (struct spec_info_def): New structure declaration.
9653 (spec_info_t): New typedef.
9654 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9655 recovery_block, orig_pat.
9656 (glat_start, glat_end): New variables declaraions.
9657 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9659 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9660 DETACH_LIFE_INFO, USE_GLAT.
9661 (enum SPEC_SCHED_FLAGS): New enumeration.
9662 (NOTE_NOTE_BB_P): New macro.
9663 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9664 attach_life_info, debug_spec_status, check_reg_live): New functions.
9665 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9666 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9668 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9669 * ddg.c (get_block_head_tail): Adjust all uses.
9670 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9671 (sms_sched_info): Initialize new fields.
9672 (contributes_to_priority): Removed.
9673 * haifa-sched.c (params.h): New include.
9674 (get_block_head_tail): Adjust all uses.
9675 (ISSUE_POINTS): New macro.
9676 (glat_start, glat_end): New global variables.
9677 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9678 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9679 old_last_basic_block, before_recovery, current_sched_info_var,
9680 rgn_n_insns, luid): New static variables.
9681 (insn_cost1): New function. Move logic from insn_cost to here.
9682 (find_insn_reg_weight1): New function. Move logic from
9683 find_insn_reg_weight to here.
9684 (reemit_notes, move_insn, max_issue): Change signature.
9685 (move_insn1): Removed.
9686 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9687 extend_bb): New static functions to support extension of scheduler's
9689 (generate_recovery_code, process_insn_depend_be_in_spec,
9690 begin_speculative_block, add_to_speculative_block,
9691 init_before_recovery, create_recovery_block, create_check_block_twin,
9692 fix_recovery_deps): New static functions to support
9693 generation of recovery code.
9694 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9695 restore_bb_notes, move_block_after_check, move_succs): New static
9696 functions to support ebb scheduling.
9697 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9698 functions to support handling of register live information.
9699 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9700 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9701 add_jump_dependencies): New static functions.
9702 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9703 consistancy checking.
9704 (debug_spec_status): New function to call from debugger.
9705 (priority): Added code to handle speculation checks.
9706 (rank_for_schedule): Added code to distinguish speculative instructions.
9707 (schedule_insn): Added code to handle speculation checks.
9708 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9709 Fixed to handle ebbs.
9710 (move_insn): Added code to handle ebb scheduling.
9711 (max_issue): Added code to use ISSUE_POINTS of instructions.
9712 (choose_ready): Added code to choose between speculative and
9713 non-speculative instructions.
9714 (schedule_block): Added code to handle ebb scheduling and scheduling of
9715 speculative instructions.
9716 (sched_init): Initialize new variables.
9717 (sched_finish): Free new variables. Print statistics.
9718 (try_ready): Added code to handle speculative instructions.
9719 * lists.c (copy_DEPS_LIST_list): New function.
9720 * sched-deps.c (extend_dependency_caches): New function. Move logic
9721 from create_dependency_caches to here.
9722 (get_dep_weak, ds_merge): Make global.
9723 * genattr.c (main): Code to output prototype for
9724 dfa_clear_single_insn_cache.
9725 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9726 (output_dfa_clean_insn_cache_func): Code to output
9727 dfa_clear_single_insn_cache function.
9728 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9730 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9732 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9733 New static variables.
9734 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9735 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9737 (ebb_sched_info): Initialize new fields.
9738 (get_block_head_tail): Adjust all uses.
9739 (compute_jump_reg_dependencies): Fixed to use glat_start.
9740 (schedule_ebb): Code to remove unreachable last block.
9741 (schedule_ebbs): Added code to update register live information.
9742 * sched-rgn.c (region_sched_info): Initialize new fields.
9743 (get_block_head_tail): Adjust all uses.
9744 (last_was_jump): Removed. Adjust users.
9745 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9746 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9747 Implement new hooks.
9748 (check_dead_notes1): New static function.
9749 (struct region): New fields: dont_calc_deps, has_real_ebb.
9750 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9751 (BB_TO_BLOCK): Fixed to handle EBBs.
9752 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9753 (ebb_head): New static variable.
9754 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9755 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9757 (compute_dom_prob_ps): New assertion.
9758 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9759 global_live_at_start.
9760 (init_ready_list): New assertions.
9761 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9762 (new_ready): Add support for BEGIN_CONTROL speculation.
9763 (schedule_insns): Fixed code that updates register live information
9765 (schedule_region): Fixed to handle EBBs.
9766 (init_regions): Use extend_regions and check_dead_notes1.
9767 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9768 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9769 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9770 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9771 TARGET_SCHED_GEN_CHECK,
9772 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9773 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9774 * doc/invoke.texi (max-sched-insn-conflict-delay,
9775 sched-spec-prob-cutoff): Document.
9777 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9779 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
9780 inter_tick, queue_index.
9781 (struct sched_info): Change signature of init_ready_list field.
9782 Adjust all initializations.
9783 (RESOLVED_DEPS): New access macro.
9784 (ready_add): Remove prototype.
9785 (try_ready): Add prototype.
9786 * sched-rgn.c (init_ready_list): Use try_ready.
9787 (schedule_region): Initialize
9788 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
9789 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
9790 (init_ready_list): Use try_ready.
9791 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
9792 * lists.c (remove_list_elem): Remove `static'.
9793 (remove_free_INSN_LIST_elem): New function.
9794 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
9795 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
9796 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
9798 (readyp): New variable.
9799 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
9800 change_queue_index, resolve_dep): New static functions.
9801 (try_ready): New function. Adjust callers in sched-rgn.c and
9802 sched-ebb.c to use it instead of ready_add.
9803 (clock_var): Move at the begining of file.
9804 (rank_for_schedule): Fix typo.
9805 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9806 (ready_lastpos): Enforce assertion.
9807 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9809 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9810 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9811 (queue_to_ready): Use free_INSN_LIST_list.
9812 (early_queue_to_ready): Fix typo.
9813 (schedule_block): Init readyp. Move init_ready_list call after the
9814 initialization of clock_var. Fix error in rejecting insn by
9815 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9816 that previously corrected INSN_TICKs. Add code for handling
9818 (set_priorities): Fix typo.
9819 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9820 Clarify comment and code that keeps current_sched_info->next_tail
9823 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9825 * sched-rgn.c (extend_rgns): New static function.
9826 (find_rgns): Use it.
9827 (gather_region_statistics, print_region_statistics): New static
9829 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9830 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9832 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9833 Andrey Belevantsev <abel@ispras.ru>
9835 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9836 * lists.c (unused_deps_list): New variable.
9837 (free_list): Add assertions to verify the proper distinguishing
9838 between INSN_LISTs and DEPS_LISTs.
9839 (find_list_elem, remove_list_elem, remove_list_node): New static
9841 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9842 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9843 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9844 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9846 (free_INSN_LIST_node): Likewise.
9847 * modulo-sched.c (current_sched_info): Initialize flags field.
9848 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9849 * rtl.def (DEPS_LIST): Define.
9850 * rtl.h: Declare new functions from lists.c.
9851 * sched-deps.c (spec_dependency_cache): New static variable.
9852 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
9853 (add_dependence): Change return type to void. Move the logic to ...
9854 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9855 (delete_all_dependences): Add comment about forward_dependency_cache.
9856 Handle spec_dependency_cache. Handle DEPS_LISTs.
9857 (fixup_sched_groups): Clarify the change of priority of output
9858 and anti dependencies.
9859 (sched_analyze_2): Adjust add_dependence calls to create data
9860 speculative dependence.
9861 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
9862 Adjust all callers. Handle DEPS_LISTS.
9863 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
9864 presence of speculation.
9865 (init_dependency_caches, free_dependency_caches):
9866 Handle spec_dependency_cache.
9867 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
9868 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
9869 New static functions.
9870 (add_or_update_back_dep, add_or_update_back_forw_dep,
9871 add_back_forw_dep, delete_back_forw_dep): New functions.
9872 * sched-int.h (ds_t, dw_t): New typedefs.
9873 (struct sched_info): Add new field flags.
9874 (struct haifa_insn_data): Add new bitfield has_internal_dep.
9875 Prototype new sched-deps.c functions.
9876 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
9877 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
9878 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
9879 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
9880 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
9881 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
9883 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
9885 * sched-rgn.c (current_sched_info): Initialize flags field.
9886 (schedule_insns): Initialize current_sched_info before the sched_init
9888 * sched-ebb.c (current_sched_info): Initialize flags field.
9889 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
9890 Call add_or_update_back_dep instead of add_dependence.
9891 Create control speculative dependencies.
9892 (schedule_insns): Initialize current_sched_info before the sched_init
9895 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
9897 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
9899 (sh_fallback_frame_state): Likewise.
9901 2006-03-15 Geoffrey Keating <geoffk@apple.com>
9903 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
9904 Do switch on default_use_cxa_atexit.
9905 (powerpc*-*-darwin*): Build crt2.o on powerpc.
9906 * config/darwin-crt3.o: New.
9907 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
9908 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
9909 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
9911 * config/rs6000/t-darwin: Move crt2.o building to here.
9912 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
9913 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
9916 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9918 * config/vax/vax.c (nonindexed_address_p): Change logical negation
9919 from '! xxx' to '!xxx' for coding-style conformance.
9920 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
9921 (EXTRA_CONSTRAINT): Likewise.
9922 * config/vax/vax.md (four unnamed insns): Likewise.
9924 2006-03-15 Paul Brook <paul@codesourcery.com>
9926 * config/arm/arm.c (minipool_pad): New.
9927 (add_minipool_forward_ref): Include pool alignment padding in address
9929 (push_minipool_fix): Set minipool_pad.
9930 (minipool_pad): Ditto.
9932 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9934 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
9935 instead of GET_CODE() == MEM and REG_P() instead of
9937 (print_operand_address): Likewise.
9938 (vax_address_cost): Likewise.
9939 (vax_rtx_costs): Likewise.
9940 (vax_notice_update_cc): Likewise.
9941 (vax_output_int_add): Likewise.
9942 (INDEX_REGISTER_P): Likewise.
9943 (BASE_REGISTER_P): Likewise.
9944 (nonindexed_address_p): Likewise.
9945 (vax_mode_dependent_address_p): Likewise.
9946 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
9947 (PRINT_OPERAND): Likewise.
9948 * config/vax/vax.md (ashlsi3): Likewise.
9949 (ashlsi3): Likewise.
9950 (some more unnamed insns): Likewise.
9952 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
9954 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
9955 iterator-style macro.
9956 (mark_control_dependent_edges_necessary): Update the use of
9957 EXECUTE_IF_CONTROL_DEPENDENT.
9959 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
9961 * config/sh/predicates.md (cache_address_operand): Special.
9962 (ua_address_operand): Likewise.
9964 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9966 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
9968 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
9970 2006-03-15 Andreas Schwab <schwab@suse.de>
9972 * gensupport.c (identify_predicable_attribute): Don't free p_false
9973 when it is still in use.
9975 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
9977 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
9978 the default setting here.
9980 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
9982 * tree-pass.h (pass_cfg): Remove.
9983 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
9984 * passes.c (pass_cfg): Don't run it.
9986 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
9988 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
9989 * reg-stack.c (stack_regs_mentioned_data): Change the type to
9991 (stack_regs_mentioned): Update the uses of
9992 stack_regs_mentioned_data. Don't access the array beyond its
9994 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
9995 Don't include gt-reg-stack.h.
9997 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
9998 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10000 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10002 PR middle-end/26684
10003 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10006 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10008 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10010 2006-03-14 Richard Guenther <rguenther@suse.de>
10012 PR tree-optimization/26672
10013 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10016 2006-03-14 Richard Guenther <rguenther@suse.de>
10018 PR tree-optimization/26667
10019 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10020 node for the callees. Always allow inlining if it will shrink
10023 2006-03-14 Richard Guenther <rguenther@suse.de>
10025 PR middle-end/26659
10026 * builtins.c (get_pointer_alignment): Prefer alignment
10027 information from decls over that from types.
10029 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
10032 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10034 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
10036 * config/rs6000/rs6000.opt (mdlmzb): New option.
10037 (msched-prolog, msched-epilog): Use Var not Mask.
10038 * doc/invoke.texi (-mdlmzb): Document.
10039 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10041 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10042 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10044 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
10046 PR rtl-optimization/25739
10047 * bt-load.c (augment_live_range): Free tos pointer.
10049 * gensupport.c (identify_predicable_attribute): Free
10051 * gcov.c (create_file_names): Free name pointer.
10053 2006-03-13 Roger Sayle <roger@eyesopen.com>
10055 PR middle-end/26557
10056 * stmt.c (emit_case_nodes): Handle the case where the index is a
10057 CONST_INT, where the comparison mode is specified by the index type.
10059 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10061 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10064 2006-03-13 Richard Sandiford <richard@codesourcery.com>
10066 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10067 (*branch_fp_inverted): Likewise.
10069 2006-03-13 Jakub Jelinek <jakub@redhat.com>
10071 PR middle-end/25989
10072 * omp-low.c (expand_omp_for_generic): Mark istart0
10073 and iend0 as addressable.
10075 2006-03-13 Jie Zhang <jie.zhang@analog.com>
10077 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10079 2006-03-13 Jeff Law <law@redhat.com>
10081 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10082 virtual operands are interesting.
10083 (vrp_visit_stmt): Corresponding changes.
10085 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
10087 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10089 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10090 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10091 * config/bfin/crti.S: Use it instead of __PIC__.
10092 * config/bfin/crtn.S: Likewise.
10094 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10095 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10097 Lose 'G' modifier for call operand.
10098 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10099 recognize 'G' modifier.
10101 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10103 PR middle-end/18859
10104 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10105 * stmt.c (expand_case): Likewise.
10107 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10109 PR rtl-optimization/26254
10110 * loop-invariant.c (seq_insns_valid_p): New function.
10111 (move_invariant_reg): Only emit new code if it is valid.
10113 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10115 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10117 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10118 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10119 (commit_one_edge_insertion): Do not look for loop notes.
10121 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10123 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10124 flag_test_coverage out of loop.
10126 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10128 * final.c (shorten_branches): Remove outdated comment, and turn
10129 the if branch that guards it to continue.
10131 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10133 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10134 * cfgloop.h (struct loop): Remove unused fields.
10136 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10138 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10139 (-dL, -fdump-rtl-loop2): Update the dump file names
10141 * doc/invoke.texi: Update dump file names.
10143 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10145 * predict.c (estimate_probability): Remove.
10146 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10147 * basic-block.h (estimate_probability): Remove prototype.
10148 * passes.c (finish_optimization_passes): Dump branch prediction or
10149 profiling heuristics to the .profile tree dump.
10150 (init_optimization_passes): Unqueue pass_branch_prob.
10152 * doc/invoke.texi (-fdump-rtl-bp): Remove.
10154 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10156 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10157 * rtl.h (LABEL_NEXTREF): Remove field accessor.
10159 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
10161 * function.h (frame_offset_overflow): Declare.
10162 * function.c (frame_offset_overflow): New function.
10163 (assign_stack_local_1): Call it to detect that the offset overflows.
10164 * cfgexpand.c (alloc_stack_frame_space): Likewise.
10166 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10168 * config/sh/sh.c: Include alloc-pool.h.
10169 (label_ref_list_pool): New alloc pool.
10170 (label_ref_list_t): New type for lists of labels.
10171 (struct pool_node): Make wend a label_ref_list_t.
10172 (add_constant): Use the new type, eradicate LABEL_NEXTREF
10174 (dump_table): Likewise.
10175 (sh_reorg): Set up the alloc pool before using add_constant and
10176 dump_table, and destroy it when finishing.
10178 2006-03-11 Richard Sandiford <richard@codesourcery.com>
10180 * config/mips/mips.c: Remove redundant comment.
10182 2006-03-10 Jason Merrill <jason@redhat.com>
10185 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10186 the target was declared 'register'.
10188 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
10190 * genpreds.c (write_insn_constraint_len): Change definition of
10191 insn_constraint_len to return size_t to match the declaration.
10193 2006-03-10 DJ Delorie <dj@redhat.com>
10195 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10197 (m32c_expand_insv): Fix test for an AND mask.
10199 2006-03-10 Richard Guenther <rguenther@suse.de>
10201 PR middle-end/26565
10202 * builtins.c (get_pointer_alignment): Handle component
10203 references for field alignment.
10205 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10207 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10208 when building with libgloss.
10209 (sh*elf): Implement --without-fp option.
10210 (sh64-superh-linux*): Don't multilib.
10212 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10214 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10216 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10218 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10219 Set it when one of the replacement functions returned true.
10220 Return TODO_cleanup_cfg if cfgchanged is true.
10221 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10223 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10225 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10226 instead of gen_lowpart.
10228 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10230 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10232 (mips_output_order_conditional_branch): Declare.
10233 * config/mips/mips.h (MIPS_BRANCH): New macro.
10234 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10235 for the comparison. Use gen_condjump.
10236 (mips_output_conditional_branch): Rework interface to take the
10237 asm templates for a direct branch and the inverse of a direct branch.
10238 (mips_output_order_conditional_branch): New function.
10239 (mips_builtin_branch_and_move): New function.
10240 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10241 branch condition. Use gen_single_cc as the condition for
10242 __builtin_mips_upper_* or __builtin_mips_lower_*.
10243 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10244 Use VOIDmode for the branch condition.
10245 * config/mips/predicates.md (order_operator): New predicate.
10246 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10247 (branch_fp): Rename to...
10248 (*branch_fp): ...this. Remove mode from comparison operator.
10249 Use new mips_output_conditional_branch interface.
10250 (branch_fp_inverted): Rename to...
10251 (*branch_fp_inverted): ...this and update as for *branch_fp.
10252 (*branch_zero<mode>): Rename to...
10253 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10254 Use mips_output_order_conditional_branch. Only accept ordered
10256 (*branch_zero<mode>_inverted): Rename to...
10257 (*branch_order<mode>_inverted): ...this and update as for
10258 *branch_order<mode>.
10259 (*branch_equality<mode>): Accept zero as the second operand to
10260 the equality operator. Use the new mips_output_conditional_branch
10262 (*branch_equality<mode>_inverted): Likewise.
10263 (condjump): New expander.
10264 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10266 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10267 (bc1any2t, bc1any2f): Likewise.
10268 (single_cc): New expander.
10269 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10271 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10273 * doc/md.texi: Update documentation of MIPS constraints.
10274 * config/mips/constraints.md: New file.
10275 * config/mips/mips.md: Include it.
10276 * config/mips/mips.c (mips_char_to_class): Delete.
10277 (override_options): Don't initialize mips_char_to_class.
10278 * config/mips/mips.h (mips_char_to_class): Delete.
10279 (REG_CLASS_FROM_LETTER): Delete.
10280 (CONST_OK_FOR_LETTER_P): Delete.
10281 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10282 (EXTRA_CONSTRAINT_Y): Delete.
10283 (EXTRA_CONSTRAINT_STR): Delete.
10284 (CONSTRAINT_LEN): Delete.
10285 (EXTRA_MEMORY_CONSTRAINT): Delete.
10287 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10289 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10290 original fn's eh regions.
10292 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10294 * fold-const.c (build_range_check): Make sure to use a valid type to
10295 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10298 (range_predecessor): New static function.
10299 (range_successor): Likewise.
10300 (merge_ranges): Use them to compute predecessors and successors of
10303 2006-03-09 Roger Sayle <roger@eyesopen.com>
10305 PR middle-end/26561
10306 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10307 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10309 2006-03-08 DJ Delorie <dj@redhat.com>
10311 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10312 (addpsi3): Expand to include memory operands. Remove
10313 reload-specific splits.
10314 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10315 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10316 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10317 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10318 (shift1_qi, shift1_hi, insv): New.
10319 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10320 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10321 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10323 * config/m32c/m32c-protos.h: Update as needed.
10324 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10325 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10326 Fail for unrecognized R* constraints.
10327 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10328 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10329 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10331 (m32c_init_libfuncs): New.
10332 (m32c_legitimate_address_p): Add debug wrapper.
10333 (m32c_rtx_costs): New.
10334 (m32c_address_cost): New.
10335 (conversions): Add 'B' prefix.
10336 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10337 operands, or word regnames for QI operands. 'B' prints bit
10339 (m32c_expand_setmemhi): New.
10340 (m32c_expand_movmemhi): New.
10341 (m32c_expand_movstr): New.
10342 (m32c_expand_cmpstr): New.
10343 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10344 (m32c_expand_neg_mulpsi3): Handle non-ints.
10345 (m32c_cmp_flg_0): New.
10346 (m32c_expand_movcc): New.
10347 (m32c_expand_insv): New.
10348 (m32c_scc_pattern): New.
10349 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10350 a0/a1 out of SIregs.
10351 (STORE_FLAG_VALUE): New.
10352 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10355 * config/m32c/mov.md: Make constraints more liberal.
10356 (zero_extendqihi2): Optimize r0/r1 case.
10357 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10358 * config/m32c/predicates.md (m32c_any_operand): New.
10359 (m32c_nonimmediate_operand): New.
10360 (m32c_hl_operand): New.
10361 (m32c_r3_operand): New.
10364 (memsym_operand): New.
10365 (memimmed_operand): New.
10366 (a_qi_operand): New.
10367 (m32c_eqne_operator): New.
10368 (m32c_1bit8_operand): New.
10369 (m32c_1bit16_operand): New.
10370 (m32c_1mask8_operand): New.
10371 (m32c_1mask16_operand): New.
10372 * config/m32c/blkmov.md: New file.
10373 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10375 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10377 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10378 unsigned to fix signed/unsigned comparison issue in
10379 DWARF2_FRAME_REG_OUT.
10380 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10381 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10383 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10384 of ptr into the ENABLE_CHECKING section.
10386 2006-03-08 Jeff Law <law@redhat.com>
10388 * tree-vrp.c (infer_value_range): Only count pointer uses
10389 and dereferences if -fdelete-null-pointer-checks is enabled.
10391 * tree-vrp.c (find_assert_locations): Infer value ranges for
10392 single use pointers, but do not create ASSERT_EXPRs for them.
10393 When a non-null range is inferred for a pointer, backwards
10394 propagate that range to other equivalent pointers through the
10397 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10400 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10401 language hook targets.
10402 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10403 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10404 if language hook targets were missing.
10406 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10408 * tree-ssa-opfinalize.h: Removed.
10409 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10411 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10412 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10413 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10414 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10415 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10416 finalize_ssa_v_must_def_ops): New.
10418 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10420 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10421 block as parameter.
10423 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10425 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10427 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10428 addresses with offsets; reorganize.
10430 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10431 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10432 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10434 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10437 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10439 2006-03-08 Ben Elliston <bje@au.ibm.com>
10441 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10443 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10446 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10449 2006-03-07 Richard Guenther <rguenther@suse.de>
10451 PR tree-optimization/26587
10452 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10454 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10456 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10458 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10460 * hooks.c (hook_bool_mode_rtx_true): New function.
10461 * hooks.h (hook_bool_mode_rtx_true): Declare.
10462 * toplev.c (compile_file): Call output_shared_constant_pool.
10463 * varasm.c (shared_constant_pool): New variable.
10464 (assemble_start_function, assemble_end_function): Remove arguments
10465 from call to output_constant_pool.
10466 (create_constant_pool): New function, split out from...
10467 (init_varasm_status): ...here.
10468 (force_const_mem): Choose between the shared and per-function constant
10469 pools. Set current_function_uses_const_pool when reusing old entries
10470 as well as when creating new ones.
10471 (mark_constant): Ignore data argument.
10472 (mark_constants): Remove pool argument.
10473 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10474 to decide whether the function uses a constant pool.
10475 (output_constant_pool_contents): New function, split out from...
10476 (output_constant_pool): ...here.
10477 (output_shared_constant_pool): New function.
10478 (init_varasm_once): Initialize shared_constant_pool.
10479 * output.h (output_constant_pool): Delete.
10480 (output_shared_constant_pool): Declare.
10481 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10482 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10484 2006-03-06 Nick Clifton <nickc@redhat.com>
10486 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10487 flag_strength_reduce.
10489 2006-03-06 Ben Elliston <bje@au.ibm.com>
10491 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10492 x86_64-*-linux* configurations.
10494 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10495 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10497 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10499 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10501 * basic-block.h: Remove the extern for
10502 rediscover_loops_after_threading.
10504 * cfgloop.c (cancel_loop): Make it static.
10505 * cfgloop.h: Remove the prototype for cancel_loop.
10507 * flow.c (recompute_reg_usage): Make it static.
10508 * rtl.h: Remove the prototype for recompute_reg_usage.
10510 * function.c (use_return_register): Make it static.
10511 * function.h: Remove the prototype.
10513 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10515 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10517 * recog.h: Remove the prototype for
10518 validate_change_maybe_volatile.
10520 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10522 * rtlanal.c (replace_reg): Remove.
10523 * rtl.h: Remove the prototype for replace_reg.
10525 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10527 * regclass.c (reg_scan_update): Remove.
10528 (reg_scan_mark_refs): Remove the last argument.
10529 * rtl.h: Remove the prototype for reg_scan_update.
10531 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10533 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10534 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10535 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10536 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10537 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10538 loop-invariant.c, omp-low.c, opts.c, passes.c,
10539 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10540 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10541 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10542 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10543 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10544 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10546 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10548 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10549 * dwarf2out.h: Remove the prototype for
10550 dwarf2out_add_library_unit_info.
10552 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10554 * tree.c (add_var_to_bind_expr): Remove.
10555 * tree.h: Remove the prototype for add_var_to_bind_expr.
10557 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10559 * regclass.c (n_non_fixed_regs): Remove.
10560 (init_reg_sets_1, globalize_reg): Remove all uses of
10562 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10564 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10566 * rtlanal.c (insns_safe_to_move_p): Remove.
10567 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10569 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10571 * expmed.c (expand_mult_add): Remove.
10572 * expr.h: Remove the prototype for expand_mult_add.
10574 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10576 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10577 and REG_SAVED_VAL_EXP constants.
10578 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10579 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10580 Handle regs stored by value.
10581 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10582 (execute_cfa_program): Handle DW_CFA_val_offset,
10583 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10584 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10585 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10586 (uw_install_context_1): Handle target regs stored by value.
10588 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10590 * tree-sra.c (tree_sra): Return todoflags;
10591 (generate_one_element): Set TODO_update_smt_usage if needed.
10592 (pass_sra): Remove TODO_update_smt_usage.
10593 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10595 (tree_ssa_forward_propagate_single_use_vars): Return
10596 TODO_update_smt_usage if we need to update SMT usage.
10597 (pass_forwprop): Remove TODO_update_smt_usage.
10599 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10601 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10602 (correct_use_link): Remove reference to get_stmt_operands.
10603 (update_stmt_operands): Likewise.
10604 (get_modify_expr_operands): New function factored out of
10605 parse_ssa_operands and get_expr_operands.
10606 Try to create V_MUST_DEFs for LHS by default.
10607 (get_expr_operands) <case MODIFY_EXPR>: Call
10608 get_modify_expr_operands.
10609 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10610 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10611 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10612 get_modify_expr_operands.
10614 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10616 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10617 * tree-flow.h: Remove the prototype for
10618 referenced_var_lookup_if_exists.
10620 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10622 PR rtl-optimization/26345
10624 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10626 2006-03-03 Roger Sayle <roger@eyesopen.com>
10628 PR tree-optimization/26524
10629 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10630 fold_convert to create a constant of the appropriate type.
10632 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10634 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10635 SYMBOL_REF_IN_BLOCK_P.
10636 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10637 of SYMBOL_FLAG_IN_BLOCK.
10638 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10639 instead of SYMBOL_REF_IN_BLOCK_P.
10640 * explow.c (use_anchored_address): Likewise.
10641 * rtl.c (rtx_size): Likewise.
10642 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10643 instead of SYMBOL_FLAG_IN_BLOCK.
10644 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10645 SYMBOL_REF_IN_BLOCK_P.
10646 (assemble_variable): Likewise.
10647 (output_constant_def_contents): Likewise.
10648 (output_constant_pool): Likewise.
10649 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10650 instead of SYMBOL_FLAG_IN_BLOCK.
10651 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10652 SYMBOL_REF_IN_BLOCK_P.
10653 (SYMBOL_REF_BLOCK): Likewise.
10654 (SYMBOL_REF_OFFSET): Likewise.
10655 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10656 SYMBOL_REF_IN_BLOCK_P.
10657 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10658 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10659 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10660 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10662 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10664 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10666 2006-03-02 Roger Sayle <roger@eyesopen.com>
10668 * simplify-rtx.c (simplify_unary_operation): When simplifying
10669 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10670 that we perform the right shift in the appropriate mode, and
10671 then extend or truncate the result to requested mode.
10673 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10675 * gengtype.c (main): Handle double_int type.
10676 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10677 * double-int.c: New file.
10678 * double-int.h: New file.
10679 * system.h: Include doubleint.h.
10680 * Makefile.in (SYSTEM_H): Include double-int.h.
10681 (double-int.o): Add.
10683 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10686 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10689 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10691 * tree-vrp.c (remove_range_assertions): Do not update statements
10694 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10696 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10698 * gcse.c (rest_of_handle_gcse): Ditto.
10699 * except.c (gate_handle_eh): Ditto.
10700 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10701 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10703 2006-03-02 Eric Christopher <echristo@apple.com>
10705 * config/i386/i386.c (machopic_output_stub): Add indirection to
10708 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10712 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10714 Sun Niagara specific optimizations.
10715 * config.gcc: Recognize niagara as target.
10716 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10717 (TARGET_CPU_niagara): Define.
10718 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10719 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10720 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10721 (ASM_CPU_SPEC): Likewise.
10722 (PROCESSOR_NIAGARA): New enum entry.
10723 (REGISTER_MOVE_COST): Handle Niagara.
10724 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10725 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10726 (sparc_override_options): Recognize "niagara", set appropriate
10727 default MASK_* values for it, and align functions to 32-bytes
10728 by default just like ULTRASPARC/ULTRASPARC3.
10729 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10730 (sparc64_initialize_trampoline): Likewise.
10731 (sparc_use_sched_lookahead): Use zero for niagara.
10732 (sparc_issue_rate): Use one for niagara.
10733 * config/sparc/niagara.md: New file.
10734 * config/sparc/sparc.md: Include it.
10735 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10736 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10737 when default cpu is niagara.
10738 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10739 (ASM_CPU_SPEC): Likewise.
10740 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10741 when default cpu is niagara.
10742 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10743 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10744 just like v9/ultrasparc/ultrasparc3.
10745 * doc/invoke.texi: Add documentation for "niagara" and improve
10746 existing documentation for ultrasparc variants.
10748 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10750 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10752 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10754 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10755 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10756 and say that only one is needed.
10757 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10758 * target.h (have_switchable_bss_sections): New hook.
10759 * explow.c (use_anchored_address): Check that the symbol is in a block.
10760 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10761 (bss_noswitch_section): New variables.
10762 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10763 (get_noswitch_section): New function.
10764 (get_block_for_section): Allow SECT to be null.
10765 (unlikely_text_section_p): Use SECTION_STYLE.
10766 (bss_initializer_p): New function.
10767 (get_variable_section): Move earlier in file. Take a new argument,
10768 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10769 Return one of the new *_sections in such cases.
10770 (get_block_for_decl): New function, extracting some logic from
10771 use_blocks_for_decl_p.
10772 (change_symbol_section): Remove in favor of...
10773 (change_symbol_block): ...this new function.
10774 (use_blocks_for_decl_p): Remove checks now performed by
10775 get_block_for_decl.
10776 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
10777 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
10778 (emit_local, emit_bss, emit_common): ...these new functions.
10779 Return true if the alignment was honored.
10780 (emit_tls_common): New function.
10781 (asm_emit_uninitialised): Delete.
10782 (assemble_variable_noswitch): New function, split out from...
10783 (assemble_variable): ...here. Don't make decisions about common
10784 variables here. Globalize all public decls that go into non-common
10785 sections. Check whether SYMBOL_REF_BLOCK is null.
10786 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
10787 (output_constant_pool): Likewise.
10788 (init_varasm_once): Initialize the new section variables.
10789 (have_global_bss_p): New function.
10790 (categorize_decl_for_section): Use bss_initializer_p.
10791 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
10792 (place_block_symbol): Assert that the symbol must be in a block.
10793 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
10794 (TARGET_INITIALIZER): Include it.
10795 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
10796 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
10797 (SECTION_MACH_DEP): Bump by two.
10798 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
10799 (unnamed_section): Mention SECTION_UNNAMED in comment.
10800 (named_section): Likewise SECTION_NAMED.
10801 (noswitch_section_callback): New type.
10802 (noswitch_section): New structure.
10803 (section): Add a noswitch_section alternative.
10804 (SECTION_STYLE): New macro.
10805 (tls_comm_section, comm_section, lcomm_section): Declare.
10806 (bss_noswitch_section, have_global_bss_p): Declare.
10807 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10808 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10810 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10811 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10814 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10816 * tree-vrp.c (execute_vrp): Return value.
10817 * regrename.c (rest_of_handle_regrename): Ditto.
10818 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10819 * tree-complex.c (tree_lower_complex): Ditto.
10820 (tree_lower_complex_O0): Ditto.
10821 * tracer.c (rest_of_handle_tracer): Ditto.
10822 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10823 * postreload.c (rest_of_handle_postreload): Ditto.
10824 * tree-tailcall.c (execute_tail_recursion): Ditto.
10825 (execute_tail_calls): Ditto.
10826 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10827 * tree.h (init_function_for_compilation): Ditto.
10828 * ipa-cp.c (ipcp_driver): Ditto.
10829 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10830 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10831 * final.c (compute_alignments): Ditto.
10832 (rest_of_handle_final): Ditto.
10833 (rest_of_handle_shorten_branches): Ditto.
10834 (rest_of_clean_state): Ditto.
10835 * omp-low.c (execute_expand_omp): Ditto.
10836 (execute_lower_omp): Ditto.
10837 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10838 * ipa-reference.c (static_execute): Ditto.
10839 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10840 * reorg.c (rest_of_handle_delay_slots): Ditto.
10841 (rest_of_handle_machine_reorg): Ditto.
10842 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10843 * flow.c (recompute_reg_usage): Ditto.
10844 (rest_of_handle_remove_death_notes): Ditto.
10845 (rest_of_handle_life): Ditto.
10846 (rest_of_handle_flow2): Ditto.
10847 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10848 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10849 (do_ssa_store_ccp): Ditto.
10850 (execute_fold_all_builtins): Ditto.
10851 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10852 * modulo-sched.c (rest_of_handle_sms): Ditto.
10853 * ipa-pure-const.c (static_execute): Ditto.
10854 * cse.c (rest_of_handle_cse): Ditto.
10855 (rest_of_handle_cse2): Ditto.
10856 * web.c (rest_of_handle_web): Ditto.
10857 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10858 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
10859 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
10860 * tree-nrv.c (tree_nrv): Ditto.
10861 (execute_return_slot_opt): Ditto.
10862 * tree-ssa-alias.c (compute_may_aliases): Ditto.
10863 (create_structure_vars): Ditto.
10864 * loop-init.c (rtl_loop_init): Ditto.
10865 (rtl_loop_done): Ditto.
10866 (rtl_move_loop_invariants): Ditto.
10867 (rtl_unswitch): Ditto.
10868 (rtl_unroll_and_peel_loops): Ditto.
10869 (rtl_doloop): Ditto.
10870 * gimple-low.c (lower_function_body): Ditto.
10871 (mark_used_blocks): Ditto.
10872 * tree-ssa-sink.c (execute_sink_code): Ditto.
10873 * ipa-inline.c (cgraph_decide_inlining): Ditto.
10874 (cgraph_early_inlining): Ditto.
10875 * global.c (rest_of_handle_global_alloc): Ditto.
10876 * jump.c (cleanup_barriers): Ditto.
10877 (purge_line_number_notes): Ditto.
10878 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
10879 (rest_of_handle_if_after_reload): Ditto.
10880 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
10881 (tree_ssa_loop_im): Ditto.
10882 (tree_ssa_loop_unswitch): Ditto.
10883 (tree_vectorize): Ditto.
10884 (tree_linear_transform): Ditto.
10885 (tree_ssa_loop_ivcanon): Ditto.
10886 (tree_ssa_empty_loop): Ditto.
10887 (tree_ssa_loop_bounds): Ditto.
10888 (tree_complete_unroll): Ditto.
10889 (tree_ssa_loop_prefetch): Ditto.
10890 (tree_ssa_loop_ivopts): Ditto.
10891 (tree_ssa_loop_done): Ditto.
10892 * predict.c (tree_estimate_probability): Ditto.
10893 * recog.c (split_all_insns_noflow): Ditto.
10894 (rest_of_handle_peephole2): Ditto.
10895 (rest_of_handle_split_all_insns): Ditto.
10896 * tree-eh.c (lower_eh_constructs): Ditto.
10897 * regmove.c (rest_of_handle_regmove): Ditto.
10898 (rest_of_handle_stack_adjustments): Ditto.
10899 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
10900 * function.c (instantiate_virtual_regs): Ditto.
10901 (init_function_for_compilation): Ditto.
10902 (rest_of_handle_check_leaf_regs): Ditto.
10903 * gcse.c (rest_of_handle_jump_bypass): Ditto.
10904 (rest_of_handle_gcse): Ditto.
10905 * ipa-type-escape.c (type_escape_execute): Ditto.
10906 * alias.c (rest_of_handle_cfg): Ditto.
10907 * tree-if-conv.c (main_tree_if_conversion): Ditto.
10908 * profile.c (rest_of_handle_branch_prob): Ditto.
10909 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
10910 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
10911 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
10912 * tree-dfa.c (find_referenced_vars): Ditto.
10913 * except.c (set_nothrow_function_flags): Ditto.
10914 (convert_to_eh_region_ranges): Ditto.
10915 (rest_of_handle_eh): Ditto.
10916 * emit-rtl.c (unshare_all_rtl): Ditto.
10917 (remove_unnecessary_notes): Ditto.
10918 * except.h (set_nothrow_function_flags): Ditto.
10919 (convert_to_eh_region_ranges): Ditto.
10920 * cfgexpand.c (tree_expand_cfg): Ditto.
10921 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
10922 * tree-ssa-pre.c (do_pre): Ditto.
10923 (execute_fre): Ditto.
10924 * cfgcleanup.c (rest_of_handle_jump): Ditto.
10925 (rest_of_handle_jump2): Ditto.
10926 * tree-sra.c (tree_sra): Ditto.
10927 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
10928 (execute_mudflap_function_decls): Ditto.
10929 * tree-ssa-copy.c (do_copy_prop): Ditto.
10930 (do_store_copy_prop): Ditto.
10931 * ipa-prop.h (ipcp_driver): Ditto.
10932 * cfglayout.c (insn_locators_initialize): Ditto.
10933 * tree-ssa-forwprop.c
10934 (tree_ssa_forward_propagate_single_use_vars): Ditto.
10935 * cfglayout.h (insn_locators_initialize): Ditto.
10936 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
10937 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
10938 (execute_late_warn_uninitialized): Ditto.
10939 * rtl.h (cleanup_barriers): Ditto.
10940 (split_all_insns_noflow): Ditto.
10941 (purge_line_number_notes): Ditto.
10942 (unshare_all_rtl): Ditto.
10943 (remove_unnecessary_notes): Ditto.
10944 (recompute_reg_usage): Ditto.
10945 (variable_tracking_main): Ditto.
10946 * integrate.c (emit_initial_value_sets): Ditto.
10947 * integrate.h (emit_initial_value_sets): Ditto.
10948 * tree-optimize.c (execute_free_datastructures): Ditto
10949 (execute_free_cfg_annotations): Ditto.
10950 (execute_fixup_cfg): Ditto.
10951 (execute_cleanup_cfg_pre_ipa): Ditto.
10952 (execute_cleanup_cfg_post_optimizing): Ditto.
10953 (execute_init_datastructures): Ditto.
10954 * tree-object-size.c (compute_object_sizes): Ditto.
10955 * combine.c (rest_of_handle_combine): Ditto.
10956 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
10957 * bb-reorder.c (duplicate_computed_gotos): Ditto.
10958 (rest_of_handle_reorder_blocks): Ditto.
10959 (rest_of_handle_partition_blocks): Ditto.
10960 * var-tracking.c (variable_tracking_main): Ditto.
10961 * tree-profile.c (tree_profiling): Ditto.
10962 * tree-vect-generic.c (expand_vector_operations): Ditto.
10963 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
10964 * sched-rgn.c (rest_of_handle_sched): Ditto.
10965 (rest_of_handle_sched2): Ditto.
10966 * basic-block.h (free_bb_insn): Ditto.
10967 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
10968 * tree-cfg.c (execute_build_cfg): Ditto.
10969 (remove_useless_stmts): Ditto.
10970 (split_critical_edges): Ditto.
10971 (execute_warn_function_return): Ditto.
10972 (execute_warn_function_noreturn): Ditto.
10973 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
10974 * cfgrtl.c (free_bb_for_insn): Ditto.
10975 * passes.c (execute_one_pass): Run additional
10976 todos returned by execute function.
10977 * tree-pass.h (struct tree_opt_pass): Make execute
10980 2006-03-02 Richard Guenther <rguenther@suse.de>
10982 * tree-ssa-alias.c (find_used_portions): Consider taking
10983 the address as making the variable not write-only.
10985 2006-03-02 Nick Clifton <nickc@redhat.com>
10987 * config.gcc (default_use_cxa_atexit): Extend the description of
10988 this configure variable. Set its default value to "yes" for
10989 Linux, NetBSD and ELF targets on the assumption that they will
10990 use C libraries with the __cxa_atexit function.
10992 2006-03-02 Ben Elliston <bje@au.ibm.com>
10994 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
10995 parameter as unused to suppress a build warning.
10997 2006-03-02 Ben Elliston <bje@au.ibm.com>
10999 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11002 2006-03-01 Roger Sayle <roger@eyesopen.com>
11005 * gthr-posix.h (__gthrw2): Define to take three parameters, the
11006 declared name, the weak reference name, and the typeof name.
11007 (__gthrw): Avoid expanding the declared name suffix.
11008 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11010 2006-03-01 Jakub Jelinek <jakub@redhat.com>
11012 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11014 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11015 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11016 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11017 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11018 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11019 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11020 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11021 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11022 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11023 DW_DS_leading_separate, DW_DS_trailing_separate): New.
11024 (DW_END_default, DW_END_big, DW_END_little): New.
11025 (DW_END_lo_user, DW_END_hi_user): Define.
11026 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11027 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11028 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11031 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11033 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11035 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11037 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11039 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11041 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11042 to 'symbol_mem_tag'.
11044 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11047 2006-03-01 Roger Sayle <roger@eyesopen.com>
11049 * builtins.c (fold_builtin_copysign): Delete unreachable code.
11051 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11054 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11055 MACHO_DYNAMIC_NO_PIC_P.
11056 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11058 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11061 * config/darwin-protos.h (darwin_asm_output_anchor):
11063 * config/darwin-sections.def (cstring_section):
11064 Add SECTION_MERGE to the flags.
11065 (literal4_section): Likewise.
11066 (literal8_section): Likewise.
11067 (objc_selector_refs_section): Likewise.
11068 (objc_cls_refs_section): Likewise.
11069 * config/darwin.c (darwin_asm_output_anchor): New
11071 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11073 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
11075 Fix PR tree-optimization/26443
11076 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11077 to todo and PROP_tmt_usage to properties_destroyed.
11078 * tree-ssa-ccp.c (pass_ccp): Ditto.
11079 (pass_store_ccp): Ditto.
11080 * tree-ssa-dom.c (pass_dominator): Ditto.
11082 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11084 * tree-ssa-operands.c: Cleanup whitespace.
11085 (get_asm_expr_operands): Move before first invocation.
11086 (get_indirect_ref_operands): Likewise.
11087 (get_tmr_operands): Likewise.
11088 (get_call_expr_operands): Likewise.
11089 (append_def): Likewise.
11090 (append_use): Likewise.
11091 (append_v_may_def): Likewise.
11092 (append_v_must_def): Likewise.
11093 (add_call_clobber_ops): Likewise.
11094 (add_call_read_ops): Likewise.
11095 (add_stmt_operand): Likewise.
11096 (add_virtual_operand): Likewise.
11097 (build_ssa_operands): Likewise.
11099 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11101 PR middle-end/26022
11103 PR middle-end/24437
11104 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11105 with a call expr to ...
11106 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11108 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11110 * tree-vrp.c (extract_range_from_assert): Remove special
11111 handling for types with super-types.
11113 2006-03-01 Ben Elliston <bje@au.ibm.com>
11115 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11116 and powerpc64-*-linux* configurations.
11117 * config/t-dfprules: New file.
11119 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11120 Compile dfp-bit.c from the source directory using -DWIDTH and
11121 $DFP_CFLAGS to control the compilation of that file, rather than
11122 generating width-specific versions in the build directory.
11123 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11124 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11126 2006-02-28 Zack Weinberg <zackw@panix.com>
11128 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11131 2006-02-28 Eric Christopher <echristo@apple.com>
11133 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11134 Set up IN_LIBGCC definition of TARGET_64BIT.
11135 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11137 2006-02-28 Roger Sayle <roger@eyesopen.com>
11139 PR middle-end/14752
11140 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11141 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11142 cases via the construction of "expr != 0".
11144 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11146 * alias.c (alias_invariant, alias_invariant_size): Remove.
11147 (record_base_value): Remove.
11148 (memrefs_conflict_p): Don't look at alias_invariant.
11149 (end_alias_analysis): Don't free it.
11150 * alias.h (record_base_value): Remove prototype.
11152 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
11153 Adam Nemet <anemet@caviumnetworks.com>
11155 * rtl.h (truncated_to_mode): Declare it.
11156 (struct rtl_hooks): Add reg_truncated_to_mode hook.
11157 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11158 (RTL_HOOKS_INITIALIZER): Include it.
11159 * rtlhooks.c (reg_truncated_to_mode_general): New function.
11160 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11161 reg_truncated_to_mode.
11162 * rtlanal.c (truncated_to_mode): Define it.
11163 * simplify-rtx.c (simplify_unary_operation_1): Use it.
11165 2006-02-28 Jeff Law <law@redhat.com>
11167 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11168 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11169 the range allowed by TYPE_PRECISION.
11171 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11173 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11175 PR tree-optimization/26419
11176 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11179 2006-02-27 Zack Weinberg <zackw@panix.com>
11181 * doc/md.texi: Fix typo in previous change.
11183 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
11187 2006-02-27 Zack Weinberg <zackw@panix.com>
11189 * rtl.def (define_constraint, define_register_constraint)
11190 (define_memory_constraint, define_address_constraint): New MD forms.
11191 * gensupport.c (process_rtx): Put define_constraint etc on the
11193 * genpreds.c (process_define_predicate): Adjust comment. Validate
11194 the name, and call validate_exp to validate the expression.
11195 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11196 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11197 all callers changed.
11198 (validate_exp, needs_variable, struct constraint_data)
11199 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11200 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11201 (const_dbl_constraints, constraint_max_namelen)
11202 (have_register_constraints, have_memory_constraints)
11203 (have_address_constraints, have_address_constraints)
11204 (have_extra_constraints, have_const_int_constraints)
11205 (have_const_dbl_constraints, mangle, add_constraint)
11206 (process_define_constraint, process_define_register_constraint)
11207 (write_enum_constraint_num, write_lookup_constraint)
11208 (write_insn_constraint_len, write_regclass_for_constraint)
11209 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11210 (write_insn_extra_memory_constraint)
11211 (write_insn_extra_address_constraint)
11212 (write_satisfies_constraint_fns): New.
11213 (write_tm_preds_h): If we have new-style constraint definitions,
11214 prototype the functions generated from them, and define the
11215 old constraint interface (still used by generic code) in terms of
11217 (write_insn_preds_c): If we have new-style constraint definitions,
11218 generate all relevant functions from those definitions.
11219 (main): Handle define_constraint etc.
11220 * genoutput.c (struct constraint_data, indep_constraints)
11221 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11222 (mdep_constraint_len): New data structures and functions, defined
11223 #ifdef USE_MD_CONSTRAINTS.
11224 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11225 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11226 use new logic to validate operand constraints against constraint
11228 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11230 * defaults.h: If none of the old-style constraint macros are
11231 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11232 old-style macros; and poison REG_CLASS_FROM_LETTER,
11233 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11235 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11236 * doc/md.texi: Document new constraint-definition mechanism and the
11237 C interface it provides. Remove references to old mechanism
11238 elsewhere in the document.
11239 (Machine Constraints): Use pathnames relative to gcc directory,
11240 i.e. config/ARCH/FILE. Change i386 section to refer to
11241 config/i386/predicates.md; update that section to match docstrings.
11242 * doc/tm.texi: Move all documentation of the old constraint-
11243 definition macros to their own section, clearly mark as obsolete.
11245 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11246 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11248 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11249 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11250 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11251 constraint strings.
11252 (splits and peepholes): Use satisfies_constraint_*.
11253 * config/i386/i386.c (memory_address_length)
11254 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11256 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11258 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11259 scalar operation to be put back into the loop.
11261 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11264 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11265 (extract_cie_info): Handle S flag in augmentation string.
11266 (execute_cfa_program): If context->signal_frame, execute also
11267 fs->pc == context->ra instructions.
11268 (uw_frame_state_for): If context->signal_frame, don't subtract one
11269 from context->ra to find FDE.
11270 (uw_update_context_1): Set context->signal_frame to
11272 (_Unwind_GetIPInfo): New function.
11273 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11274 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11276 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11277 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11278 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11279 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11280 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11281 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11282 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11283 x86_64_fallback_frame_state): Set fs->signal_frame.
11284 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11285 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11286 (frob_update_context): Likewise. Workaround missing S flag in
11287 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11288 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11289 Remove the psw_addr + 1 hack.
11291 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11293 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11294 with aggregates here.
11295 (find_func_aliases): Remove code for &<aggregate> from here.
11297 2006-02-26 Roger Sayle <roger@eyesopen.com>
11299 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11300 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11301 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11302 as (X & C) ne/eq 0.
11304 2006-02-26 Roger Sayle <roger@eyesopen.com>
11306 PR middle-end/19983
11307 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11309 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11311 * opts.c (decode_options): Do not handle flag_strength_reduce.
11312 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11313 and OPT_fstrength_reduce.
11314 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11315 flag_prefetch_loop_arrays for being nonzero.
11316 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11318 (fprefetch-loop-arrays-rtl): Removed.
11319 (flag_prefetch_loop_arrays): Do not specify the value.
11321 * doc/passes.texi: Update documentation of loop optimizer
11323 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11324 -frerun-loop-opt): Remove.
11326 2006-02-26 Richard Guenther <rguenther@suse.de>
11328 PR tree-optimization/26421
11329 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11330 in function calls that are ADDR_EXPRs as using the whole structure.
11332 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11334 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11335 * tree-pass.h (pass_loop_optimize): Remove.
11336 * passes.c (pass_loop_optimize): Never run it.
11337 * toplev.c (backend_init): Don't call init_loop.
11338 * opts.c (flag_loop_optimize_set): Remove.
11339 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11340 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11341 the old RTL loop optimizer when profiling enabled.
11342 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11343 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11344 pre-headers for the sake of the old RTL loop optimizer.
11345 * Makefile.in: Remove all references to loop.o.
11347 * doc/invoke.texi: Remove all references to -floop-optimize
11348 and -frerun-loop-opt.
11350 2006-02-26 Zack Weinberg <zackw@panix.com>
11352 * doc/md.texi (Machine Constraints): Refer to all files with paths
11353 relative to gcc directory (i.e. config/CPU/file). Add missing
11354 @table @code ... @end table to M32C subsection.
11356 2006-02-26 Roger Sayle <roger@eyesopen.com>
11358 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11360 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11362 2006-02-26 Roger Sayle <roger@eyesopen.com>
11363 James A. Morrison <phython@gcc.gnu.org>
11365 PR middle-end/21137
11366 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11367 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11368 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11369 signedness of the shift operation.
11371 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11373 PR tree-optimization/26359
11374 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11376 2006-02-25 Roger Sayle <roger@eyesopen.com>
11378 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11379 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11380 as X == 0, and some symmetry related transformations.
11381 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11383 2006-02-25 Roger Sayle <roger@eyesopen.com>
11385 PR middle-end/23673
11386 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11387 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11388 symmetry related transformations. Fold (X^C1) == C2 as
11391 2006-02-25 Juergen Weigert <jw@suse.de>
11392 Richard Guenther <rguenther@suse.de>
11394 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11396 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11398 * combine.c (gen_lowpart_or_truncate): Call
11399 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11401 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11403 * doc/invoke.texi: Move -fopenmp description to "Options for
11405 Remove reference to -lgomp.
11407 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11409 * doc/install.texi: Require GNU tar version 1.14.
11411 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11413 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11414 * doc/invoke.texi (C++ Dialect Options): Document
11415 -fno-use-cxa-get-exception-ptr.
11416 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11417 * configure: Regenerate.
11418 * c.opt (fuse-cxa-get-exception-ptr): New.
11419 * c-opts.c (c_common_handle_option): Handle
11420 OPT_fuse_cxa_get_exception_ptr.
11421 * c-common.c (flag_use_cxa_atexit): Update documentation.
11422 (flag_use_cxa_get_exception_ptr): New.
11423 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11424 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11426 (C_COMMON_OVERRIDE_OPTIONS): New.
11428 2006-02-24 Roger Sayle <roger@eyesopen.com>
11430 PR middle-end/24952
11431 * combine.c (try_combine): Explicitly check whether GET_CODE is
11432 a SET or a CLOBBER, instead on checking that it isn't a USE.
11434 2006-02-24 Roger Sayle <roger@eyesopen.com>
11436 * fold-const.c (fold_comparison): New subroutine of fold_binary
11437 containing transformations common to both the equality and
11438 ordering relational operators, factored out of fold_binary.
11439 (fold_binary): Separate out the equality operators (EQ_EXPR
11440 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11441 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11442 transformations common to both.
11443 (fold_div_compare): Fix latent bugs in the previously unreachable
11444 LT_EXPR and GE_EXPR cases.
11446 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11448 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11449 decl libname for clog to __clog on AIX.
11451 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11453 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11456 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11457 output traceback table for thunks. Localise rs6000_stack_info call.
11459 2006-02-23 Roger Sayle <roger@eyesopen.com>
11460 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11462 * gthr-posix.h (__gthrw): Fix typo in comment.
11464 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11466 * doc/cpp.texi (Character sets): Document that we do support
11467 input files to be in any character set.
11469 2006-02-23 Jeff Law <law@redhat.com>
11471 * tree.h (PHI_ARG_NONZERO): Remove.
11472 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11473 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11474 node to the new node.
11476 PR tree-optimization/26425
11477 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11478 min/max, then assume its varying.
11480 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11482 PR rtl-optimization/26316
11483 * rtlanal.c (enum may_trap_p_flags): New.
11484 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11485 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11486 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11487 (may_trap_after_code_motion_p): New function.
11488 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11489 (find_invariant_insn): Use may_trap_after_code_motion_p.
11490 * rtl.h (may_trap_after_code_motion_p): Declare.
11492 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11494 * emit-rtl.c (immed_double_const): Cleanup.
11496 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11498 Fix PR tree-optimization/26376
11499 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11502 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11504 PR middle-end/26412
11505 * gimplify.c (omp_add_variable): Guard variable size decl test with
11506 DECL_SIZE (decl) check.
11508 2006-02-23 Richard Guenther <rguenther@suse.de>
11510 PR middle-end/26439
11511 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11512 like aggregate types.
11514 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11516 * configure.ac: Add --with{,out}-long-double-128 configure option.
11517 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11518 * configure: Rebuilt.
11519 * config.in: Rebuilt.
11520 * doc/install.texi (Options specification): Document
11521 --with-long-double-128.
11523 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11524 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11525 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11526 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11528 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11530 * config/s390/s390.c (override_options): Handle
11531 TARGET_DEFAULT_LONG_DOUBLE_128.
11533 * config/alpha/alpha.c (override_options): Handle
11534 TARGET_DEFAULT_LONG_DOUBLE_128.
11536 * config/sparc/sparc.c (sparc_override_options): Handle
11537 TARGET_DEFAULT_LONG_DOUBLE_128.
11539 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11541 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11542 (real-install-headers-tar, real-install-headers-cpio)
11543 (real-install-headers-cp): New targets.
11545 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11547 * tree.h (variable_section): Delete.
11548 * varasm.c (variable_section): Delete.
11550 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11552 * install.texi: Add notes on install.texi2html.
11553 (Building in parallel): Do not use footnotes.
11555 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11558 * doc/install.texi (Configuration): Document --disable-libgomp.
11560 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11562 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11564 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11566 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11567 (vec_extractv2df_0_sse): New.
11569 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11571 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11572 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11573 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11574 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11575 to the result of the expression.
11576 (def_cfa_1): Adjust.
11577 (frame_pointer_cfa_offset): Rename to...
11578 (frame_pointer_fb_offset): ... this. Adjust all uses.
11579 (convert_cfa_to_loc_list): Rename to...
11580 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11581 Pass it on to build_cfa_loc.
11582 (compute_frame_pointer_to_cfa_displacement): Rename to...
11583 (compute_frame_pointer_to_fb_displacement): ... this. New
11584 offset parameter. Use it in computation.
11585 (gen_subprogram_die): Compute cfa_fb_offset with the new
11586 macro, and use it to compute the fb loc list and the
11589 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11591 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11592 replaced with register_operand.
11593 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11594 non-DREG is expensive.
11595 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11596 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11599 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11601 * doc/install.texi2html: Use set -e.
11603 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11605 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11606 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11607 * doc/invoke.texi (-fshared-data): Delete.
11608 * common.opt (fshared-data): Delete.
11609 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11610 (assemble_static_space): Remove #if 0 code.
11611 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11612 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11613 * config/cris/cris.h: Remove FIXME.
11615 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11617 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11620 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11622 PR middle-end/26379
11623 * combine.c (simplify_shift_const_1): Disable nested shifts
11624 optimization for vector shifts.
11626 2006-02-20 Roger Sayle <roger@eyesopen.com>
11628 PR tree-optimization/26361
11629 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11630 of unsigned integer types.
11632 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11634 * tree-chrec.c (eq_evolutions_p): New.
11635 * tree-chrec.h (eq_evolutions_p): Declared.
11636 * tree-data-ref.c: Fix formatting.
11637 (datadep_stats, dependence_stats): New.
11639 (print_direction_vector): New.
11640 (dump_data_dependence_relation): Use print_direction_vector.
11641 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11642 (compute_subscript_distance): Static.
11643 (initialize_data_dependence_relation): Static. Get the number
11644 of loops surrounding the references from the callers, and initialize
11645 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11646 base_object_differ_p analyzers.
11647 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11648 compute_overlap_steps_for_affine_1_2,
11649 analyze_subscript_affine_affine): Count the classified dependences.
11650 Print a message when a test failed.
11651 (can_use_analyze_subscript_affine_affine): New.
11652 (analyze_siv_subscript): Compute the data dependences on symbolic
11653 scevs that verify can_use_analyze_subscript_affine_affine.
11654 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11655 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11656 Handle symbolic scevs.
11657 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11659 (subscript_dependence_tester): Moved...
11660 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11661 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11662 DDR_SIZE_VECT instead of getting it in parameter.
11663 (subscript_dependence_tester): ... here. Take as a parameter
11664 loop_nest_depth. Call build_classic_dist_vector and
11665 build_classic_dir_vector.
11666 (compute_affine_dependence): Update subscript_dependence_tester
11667 parameters. Update datadep_stats counters. Call
11668 compute_subscript_distance.
11669 (compute_self_dependence): Save the dist and dir vectors. Call
11670 compute_subscript_distance.
11671 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11672 (compute_all_dependences): Reorder parameters as they were before
11673 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11674 compute_subscript_distance. Update the use of
11675 compute_affine_dependence and initialize_data_dependence_relation.
11676 (find_data_references_in_loop): Handle COMPONENT_REF.
11677 (compute_data_dependences_for_loop): Initialize dependence_stats.
11678 Don't call build_classic_dist_vector and build_classic_dir_vector.
11679 Update the parameters of initialize_data_dependence_relation and
11680 compute_all_dependences. Print the statistics from datadep_stats.
11681 (analyze_all_data_dependences): Static. Not used until the pass for
11682 checking the data dependences is contributed.
11683 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11684 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11685 (initialize_data_dependence_relation, compute_affine_dependence,
11686 analyze_all_data_dependences, compute_subscript_distance): Removed.
11687 (print_direction_vector): New.
11688 * lambda.h (gcd): ... here.
11689 (lambda_vector_gcd): Moved here from gcd_vector.
11690 * lambda-code.c (gcd, gcd_vector): Removed.
11691 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11692 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11694 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11696 * ipa-type-escape.c: Tidy some comments and white space.
11697 * tree-ssa-operands.c: Likewise.
11699 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11702 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11703 (dump_decl_name): Do not walk the decl tree chains.
11704 * tree-pass.h (TDF_CHAIN): Remove.
11706 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11708 * Makefile.in (C): Remove
11710 (.PHONY): Remove C and PROTO
11712 2006-02-20 Roger Sayle <roger@eyesopen.com>
11714 PR middle-end/26236
11715 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11716 deprecated CHAR_TYPE tree code.
11718 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11720 * configure.ac (target_list): Add install-info, dvi, html.
11721 * configure: Regenerate.
11723 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11724 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11725 treelang/Make-lang.in: Do not use double-colon rules.
11727 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11729 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11730 (TMT_USED_ALONE): New macro.
11731 * tree-pass.h (PROP_tmt_usage): New property.
11732 (TODO_update_tmt_usage): New todo.
11733 * tree-ssa-alias.c (updating_used_alone): New variable.
11734 (recalculate_used_alone): New function.
11735 (compute_may_aliases): Set updating_used_alone, call
11736 recalculate_used_alone.
11737 * tree-sra.c (pass_sra): Note that this pass destroys
11738 PROP_tmt_usage, and add TODO_update_tmt_usage.
11739 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11740 * tree-flow.h (updating_used_alone): Prototype.
11741 (recalculate_used_alone): Ditto.
11742 * passes.c (execute_todo): Add code to set updating_used_alone,
11743 and call recalculate.
11744 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11745 for clobber if used alone, and add assert to verify used_alone
11748 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11750 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11751 for non tls symbols added.
11752 (legitimize_address): Do nothing for PLUS expressions if one of the
11753 addends is a tls symbol reference.
11755 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11759 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11761 * Makefile.in (BOOTSTRAPPING): New.
11762 (quickstrap): New definition if BOOTSTRAPPING=yes.
11764 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11765 * configure.ac: Substitute all_selected_languages with the languages
11766 that were configured. For all the other variables except
11767 lang_specs_files, include all the languages in the tree.
11768 * configure: Regenerate.
11770 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11771 if there is one. Run the commands to run fixincludes in the same
11774 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11775 * doc/install.texi: Document exact conventions for searching target tools.
11776 Document --with-build-time-tools. Document toplevel bootstrap. Document
11777 something more about building an Ada cross-compiler. Don't list GNU Make
11778 requirements which affect all platforms.
11780 2006-02-19 Roger Sayle <roger@eyesopen.com>
11782 PR middle-end/19543
11783 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
11784 only equivalent if the have both the same mode and precision.
11786 2006-02-20 Ben Elliston <bje@au.ibm.com>
11788 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
11790 2006-02-19 Roger Sayle <roger@eyesopen.com>
11791 Steven Bosscher <stevenb.gcc@gmail.com>
11793 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
11794 constant pool references to identify stack mode constants.
11795 * rtlanal.c (constant_pool_constant_p): New predicate to check
11796 whether operand is a floating point constant in the pool.
11797 * rtl.h (constant_pool_constant_p): Prototype here.
11798 * loop.c (scan_loop): Avoid hoisting constants from the constant
11799 pool on STACK_REGS targets.
11800 (load_mems): Likewise.
11801 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11802 loads into x87 registers expensive in terms of register pressure.
11804 2006-02-19 Roger Sayle <roger@eyesopen.com>
11806 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11807 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11809 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11811 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11812 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11814 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11816 * doc/invoke.texi: Document -fipa-pta.
11817 * common.opt: Add ipa-pta option.
11818 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11819 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11820 (do_ds_constraint): Ditto.
11821 (get_constraint_for): Only add to referenced_vars if
11822 referenced_vars exists.
11823 (insert_into_field_list): Rewrite to do this unsorted.
11824 (insert_into_field_list_sorted): Rename old insert_into_field_list
11826 (create_function_info_for): Use insert_into_field_list_sorted.
11827 (create_variable_info_for): Rewrite so it uses unsorted version,
11828 since the field list is sorted.
11829 (intra_create_variable_infos): Only add to referenced_vars if
11830 referenced_vars exists.
11831 (ipa_pta_execute): Init heapvars, and delete when done.
11832 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11834 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11836 * doc/install.texi: Add missing `@samp'.
11838 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11840 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11843 2006-02-18 Mark Wielaard <mark@klomp.org>
11845 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11846 who added new 4.1 features, bug fixes and integration support.
11848 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11851 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11852 MEM for ABI_V4 pic.
11854 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11856 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11857 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11858 (copy_insn_1): Likewise. Don't copy each field individually.
11860 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
11862 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
11863 * rtl.c (rtx_size): Rename variable to...
11864 (rtx_code_size): ...this.
11865 (rtx_size): New function.
11866 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
11867 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
11869 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
11870 * rtl.h (rtx_code_size): New variable.
11871 (rtx_size): Change from a variable to a function.
11872 (RTX_SIZE): Rename to...
11873 (RTX_CODE_SIZE): ...this.
11876 PR tree-optimization/17106
11877 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
11878 (Anchored Addresses): New section.
11879 * doc/invoke.texi (-fsection-anchors): Document.
11880 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
11881 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
11882 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
11883 * hooks.c (hook_bool_mode_rtx_false): New function.
11884 * hooks.h (hook_bool_mode_rtx_false): Declare.
11885 * gengtype.c (create_optional_field): New function.
11886 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
11887 SYMBOL_REF_IN_BLOCK_P is true.
11888 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
11889 (min_anchor_offset, max_anchor_offset): Likewise.
11890 (use_anchors_for_symbol_p): New hook.
11891 * toplev.c (compile_file): Call output_object_blocks.
11892 (target_supports_section_anchors_p): New function.
11893 (process_options): Check that -fsection-anchors is only used on
11894 targets that support it and when -funit-at-a-time is in effect.
11895 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
11896 if the decl doesn't have one.
11897 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
11898 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
11899 of force_const_mem through use_anchored_address.
11900 (expand_expr_constant): New function.
11901 (expand_expr_addr_expr_1): Call it. Use the same modifier when
11902 calling expand_expr for INDIRECT_REF.
11903 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
11904 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
11905 * expr.h (use_anchored_address): Declare.
11906 * loop-unroll.c: Don't declare rtx vectors here.
11907 * explow.c: Include output.h.
11908 (validize_mem): Call use_anchored_address.
11909 (use_anchored_address): New function.
11910 * common.opt (-fsection-anchors): New switch.
11911 * varasm.c (object_block_htab, anchor_labelno): New variables.
11912 (hash_section, object_block_entry_eq, object_block_entry_hash)
11913 (use_object_blocks_p, get_block_for_section, create_block_symbol)
11914 (use_blocks_for_decl_p, change_symbol_section): New functions.
11915 (get_variable_section): New function, split out from assemble_variable.
11916 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
11917 use_blocks_for_decl_p say so. Use change_symbol_section if the
11918 symbol has already been created.
11919 (assemble_variable_contents): New function, split out from...
11920 (assemble_variable): ...here. Don't output any code for
11921 block symbols; just pass them to place_block_symbol.
11922 Use get_variable_section and assemble_variable_contents.
11923 (get_constant_alignment, get_constant_section, get_constant_size): New
11924 functions, split from output_constant_def_contents.
11925 (build_constant_desc): Create a block symbol if use_object_blocks_p
11926 says so. Or into SYMBOL_REF_FLAGS.
11927 (assemble_constant_contents): New function, split from...
11928 (output_constant_def_contents): ...here. Don't output any code
11929 for block symbols; just pass them to place_section_symbol.
11930 Use get_constant_section and get_constant_alignment.
11931 (force_const_mem): Create a block symbol if use_object_blocks_p and
11932 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
11933 (output_constant_pool_1): Add an explicit alignment argument.
11934 Don't switch sections here.
11935 (output_constant_pool): Adjust call to output_constant_pool_1.
11936 Switch sections here instead. Don't output anything for block symbols;
11937 just pass them to place_block_symbol.
11938 (init_varasm_once): Initialize object_block_htab.
11939 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
11940 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
11941 (place_block_symbol, get_section_anchor, output_object_block)
11942 (output_object_block_htab, output_object_blocks): New functions.
11943 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
11944 (TARGET_ASM_OUT): Include it.
11945 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
11946 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
11947 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
11948 (TARGET_INITIALIZER): Include them.
11949 * rtl.c (rtl_check_failed_block_symbol): New function.
11950 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
11951 (block_symbol, object_block): New structures.
11952 (rtx_def): Add a block_symbol field to the union.
11953 (BLOCK_SYMBOL_CHECK): New macro.
11954 (rtl_check_failed_block_symbol): Declare.
11955 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
11956 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
11957 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
11958 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
11959 * output.h (output_section_symbols): Declare.
11960 (object_block): Name structure.
11961 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
11962 (default_use_anchors_for_symbol_p): Declare.
11963 * Makefile.in (RTL_BASE_H): Add vec.h.
11964 (explow.o): Depend on output.h.
11965 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
11966 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11967 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11968 (rs6000_use_blocks_for_constant_p): New function.
11970 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11972 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
11974 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11977 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
11980 2006-02-18 Diego Novillo <dnovillo@redhat.com>
11982 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
11986 2006-02-18 Jakub Jelinek <jakub@redhat.com>
11988 PR middle-end/26334
11989 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
11990 instead of DECL_REGISTER.
11992 2006-02-18 Olivier Hainque <hainque@adacore.com>
11995 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
11997 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
12000 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12001 * opth-gen.awk: Handle Var and InverseMask together.
12002 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12003 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12004 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12005 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12007 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12008 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12009 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12010 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12011 LINUX_DYNAMIC_LINKER): Define.
12012 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12013 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12015 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12016 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12017 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12018 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12019 (TARGET_C99_FUNCTIONS): Don't define.
12020 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12021 GLIBC_DYNAMIC_LINKER.
12022 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12023 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12024 GLIBC_DYNAMIC_LINKER64): Define.
12025 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12026 LINUX_DYNAMIC_LINKER64.
12027 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12028 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12029 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12030 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12031 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12032 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12033 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12034 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12035 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12036 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12037 and LINUX_DYNAMIC_LINKER32.
12038 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12039 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12040 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12041 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12042 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12044 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12045 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12046 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12047 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12048 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12049 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12050 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12051 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12052 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12053 LINUX_DYNAMIC_LINKER): Define.
12054 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12055 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12056 GLIBC_DYNAMIC_LINKER64): Define.
12057 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12058 LINUX_DYNAMIC_LINKER64.
12059 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12060 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12061 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12062 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12063 LINUX_DYNAMIC_LINKER): Define.
12064 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12065 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12066 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12067 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12068 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12069 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12070 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12071 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12072 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12073 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12074 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12075 * doc/invoke.texi (-muclibc): Remove caveat about supported
12078 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12080 * doc/cpp.texi (__TIMESTAMP__): Document.
12082 2006-02-17 Roger Sayle <roger@eyesopen.com>
12084 PR middle-end/25600
12085 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12086 C is one less than the width of X (and related transformations).
12087 * simplify-rtx.c (simplify_unary_operation_1): Transform
12088 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12089 depending on STORE_FLAG_VALUE, were C is one less then the
12092 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12094 Fix PR tree-optimization/26341
12095 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12096 about NAME_MEMORY_TAG's.
12098 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12101 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12102 with hardware float support, and software float support. Add fcpy
12103 alternative to hardware patterns. Add alternatives to copy between
12104 general and floating-point registers to the 32-bit pattern.
12105 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12106 secondary reload to load a QI or HI mode constant into a floating
12108 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12109 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12111 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12114 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12116 (load_macho_picbase_di): Likewise.
12118 2006-02-16 Jeff Law <law@redhat.com>
12120 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12121 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12122 (ssa_name_nonzero_p): Likewise.
12123 (get_value_range): Return NULL if VRP is not running.
12124 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12125 VRP routines do not discover a range.
12126 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12127 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12128 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12129 (tree_expr_nonnegative_p): Similarly.
12130 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12131 (restore_nonzero_vars_to_original_value): Remove.
12132 (unsafe_associative_fp_binop): Remove.
12133 (tree_ssa_dominator_optimize): Remove initialization and
12134 finalization of nonzero_vars and nonzero_vars_stack.
12135 (dom_opt_initialize_block): No longer push marker on
12136 nonzero_vars_stack.
12137 (dom_opt_finalize_block): No longer call
12138 restore_nonzero_vars_to_original_value.
12139 (record_equivalences_from_phis): No longer look for
12140 nonzero PHI arguments.
12141 (cprop_into_successor_phis): No longer propagate nonzero
12142 property into PHI arguments. Lose unused argument. Caller
12144 (record_equivalences_from_stmt): No longer record nonzero
12145 values for SSA_NAMEs.
12146 (lookup_avail_expr): No longer use nonzero_vars.
12148 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12149 for sizetype when sizetype is unsigned.
12151 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
12153 PR rtl-optimization/25603
12154 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12155 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12156 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12157 with new meaning of SETS.
12159 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
12164 * config/linux.opt: New file.
12165 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12166 LINUX_DYNAMIC_LINKER): Define.
12167 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12168 * config.gcc (*-*-linux*): Define extra_options.
12169 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12170 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12171 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12172 GLIBC_DYNAMIC_LINKER.
12173 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12174 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12175 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12176 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12177 * doc/invoke.texi (GNU/Linux Options): New section.
12179 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
12181 * config/sparc/sparc.md (setjmp): Rewrite.
12182 (setjmp_32): Delete.
12183 (setjmp_64): Likewise.
12185 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
12187 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12190 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12192 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12195 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12197 PR rtl-optimization/26296
12198 * Makefile.in (loop-invariant.c): Add except.h dependency.
12199 * loop-invariant.c: Include except.h.
12200 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12202 2005-02-16 Paul Brook <paul@codesourcery.com>
12204 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12207 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12209 PR rtl-optimization/25636
12210 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12211 when deciding whether an insn is an initializing insn.
12213 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12215 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12216 (tree_code_size): Ditto.
12217 * tree.h (struct tree_memory_tag): Remove parent_var.
12218 (struct tree_struct_field_tag): New.
12221 (union tree_node): Add sft member.
12222 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12224 (create_sft): Add size and offset argument, set SFT_OFFSET and
12226 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12227 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12228 * tree-flow-inline.h (get_subvar_at): Update for
12229 SFT_OFFSET/SFT_SIZE.
12230 (var_can_have_subvars): Ditto.
12231 (overlap_subvar): Ditto.
12232 * print-tree.c (print_node): Print out interesting things for
12234 * tree-flow.h (struct subvar): Remove offset and size members.
12235 * tree-ssa-operands.c (get_expr_operands): Update for
12236 get_indirect_ref_operands changes.
12237 (get_indirect_ref_operands): Call add_virtual_operand instead of
12238 add_stmt_operand. Only recurse on base var if requested.
12239 (access_can_touch_variable): New function.
12240 (add_stmt_operand): Split virtual operand handling into ...
12241 (add_virtual_operand): Here. Add offset, size, and for_clobber
12242 arguments. Prune alias sets.
12243 (add_call_clobber_ops): Call add_virtual_operand.
12245 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12247 PR middle-end/26300
12248 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12250 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12251 than TREE_CODE as index into omp_clause_num_ops array.
12253 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12255 PR rtl-optimization/26184
12256 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12258 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12259 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12260 must_precede, must_follow and tobe_scheduled.
12263 * opts.c (common_handle_option): Free new_option pointer.
12264 * df-core.c (df_analyze): Free postorder pointer.
12266 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12268 * Makefile.in: Fix the examples about the use of stamps
12270 2006-02-15 Michael Matz <matz@suse.de>
12272 PR middle-end/22275
12274 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12275 influenced by maximum_field_alignment or DECL_PACKED.
12276 (update_alignment_for_field): Ditto.
12277 (place_field): Ditto.
12278 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12281 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12283 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12284 (debug_flow_info): Pass it.
12285 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12286 * bb-reorder.c (reorder_basic_blocks): Likewise.
12287 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12288 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12289 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12290 * gcse.c (gcse_main, bypass_jumps): Likewise.
12291 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12292 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12293 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12294 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12295 * rtl.h (dump_flow_info): Adjust prototype.
12296 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12297 * var-tracking.c (variable_tracking_main): Likewise.
12298 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12299 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12302 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12304 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12307 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12309 PR tree-optimization/26209
12310 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12311 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12313 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12315 2006-02-14 Roger Sayle <roger@eyesopen.com>
12317 PR middle-end/23670
12318 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12319 (X,Y) and the corresponding symmetry related transformations.
12320 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12321 (X,Y) and its symmetry related transformations.
12323 2006-02-14 Roger Sayle <roger@eyesopen.com>
12325 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12328 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12330 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12332 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12335 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12336 support COMDAT group.
12337 * configure: Regenerate.
12339 2006-02-14 Roger Sayle <roger@eyesopen.com>
12341 PR middle-end/26279
12342 PR middle-end/26280
12343 PR middle-end/26283
12344 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12346 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12348 Fix PR tree-optimization/26260
12350 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12352 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12353 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12354 * tree-ssa-structalias.c (create_variable_info_for): Use
12355 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12357 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12359 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12361 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12362 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12363 of the ending condition.
12364 * tree-ssa-loop-manip.c: Include params.h.
12365 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12366 tree_unroll_loop): New functions.
12367 * tree-pass.h (pass_loop_prefetch): Declare.
12368 * loop.c (rest_of_handle_loop_optimize): Test for
12369 -fprefetch-loop-arrays-rtl.
12370 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12371 * timevar.def (TV_TREE_PREFETCH): New timevar.
12372 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12373 pass_loop_prefetch): New.
12374 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12375 (cleanup_tree_cfg_loop): Call scev_reset.
12376 * common.opt (fprefetch-loop-arrays-rtl): Add.
12377 * tree-ssa-loop-prefetch.c: New file.
12378 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12379 (new_temp_expr_table): Initialize expr_vars.
12380 (free_temp_expr_table): Cleanup expr_vars.
12381 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12382 expressions from being merged into one.
12383 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12384 (struct tree_niter_desc): Add control, bound and cmp fields.
12385 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12387 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12388 (tree-cfgcleanup.o): Add SCEV_H dependency.
12389 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12390 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12392 2006-02-14 Richard Guenther <rguenther@suse.de>
12394 PR tree-optimization/26258
12395 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12396 in PHI argument processing.
12398 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12400 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12401 new expression in the requested machine mode.
12403 2006-02-13 Roger Sayle <roger@eyesopen.com>
12405 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12406 directly, instead let do_compare_rtx_and_jump handle this for us.
12407 * expr.c (expand_expr_real_1): Likewise.
12408 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12409 before do_jump_by_parts_greater.
12410 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12411 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12413 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12415 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12417 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12419 PR rtl-optimization/26235
12420 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12421 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12424 2006-02-13 Jeff Law <law@redhat.com>
12426 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12429 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12431 PR middle-end/26092
12432 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12433 twice if decl is a builtin. When trying again, call get_callee_fndecl
12434 first to verify it is still a builtin.
12436 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12438 * dwarf2out.c (base_type_die): Don't add AT_name here.
12439 (subrange_type_die): Don't add AT_name here.
12440 (modified_type_die): Rearrange code flow. Do add AT_name here.
12442 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12444 PR rtl-optimization/26247
12445 PR rtl-optimization/26248
12446 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12448 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12450 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12451 * config/fixtfdi.c: Likewise.
12452 * config/fixunstfdi.c: Likewise.
12453 * config/floatditf.c: Likewise.
12455 2006-02-13 Roger Sayle <roger@eyesopen.com>
12457 PR middle-end/24427
12458 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12459 into (X,C2) if C1 is a subset of the bits of C2. Transform
12460 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12462 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12464 2006-02-13 Josh Conner <jconner@apple.com>
12467 * varasm.c (function_section): Check for section name before
12468 calling select_section on targets that define
12469 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12470 unlikely_text_section instead of hot_function_section if
12471 first_function_block_is_cold.
12473 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12475 PR middle-end/25335
12476 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12478 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12480 PR rtl-optimization/26222
12481 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12482 after tree->rtl expansion.
12483 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12484 before passing it to emit_move_insn.
12486 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12488 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12490 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12491 Clarify documentation.
12492 * c-common.h (warn_write_strings): Remove.
12493 * c-common.c (warn_write_strings): Likewise.
12494 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12497 2006-02-12 Roger Sayle <roger@eyesopen.com>
12499 PR middle-end/25724
12500 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12501 (do_jump_parts_zero_rtx): New function renamed from
12502 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12503 (do_jump_parts_equality_rtx): New function split out from
12504 do_jump_parts_equality. Old implementation renamed as above.
12505 Call do_jump_parts_zero_rtx if either operand is zero.
12506 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12507 do all of the heavy lifting.
12508 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12509 calling either do_jump_by_parts_greater_rtx or
12510 do_jump_by_parts_equality_rtx.
12511 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12512 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12513 moved to do_compare_rtx_and_jump, call it directly.
12514 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12515 mode argument. Call do_compare_rtx_and_jump.
12516 (emit_case_nodes): Update calls to do_jump_if_equal.
12518 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12520 PR rtl-optimization/26225
12521 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12523 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12525 PR rtl-optimization/26232
12526 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12528 2006-02-11 Jason Merrill <jason@redhat.com>
12531 * tree-inline.c (declare_return_variable): Just don't use the
12532 modify target if it's a gimple complex reg and the return slot
12535 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12537 * doc/contrib.texi: Update my entry.
12539 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12541 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12543 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12545 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12548 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12550 * doc/invoke.texi (-floop-optimize2): Removed.
12551 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12552 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12553 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12554 * common.opt (floop-optimize2): Removed.
12555 (fmove-loop-invariants): Enabled by default.
12557 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12559 * tree-if-conv.c (combine_blocks): Free the result of
12560 get_loop_exit_edges.
12562 2006-02-10 Jeff Law <law@redhat.com>
12564 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12566 PR tree-optimization/26213
12567 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12568 loop trying to follow SSA_NAME_VALUE chains.
12570 2006-02-10 Richard Guenther <rguenther@suse.de>
12572 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12573 deal with structures that end in implicitly variable sized arrays.
12575 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12577 PR rtl-optimization/24762
12578 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12581 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12583 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12584 (struct ivopts_data): Add regs_used field.
12585 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12586 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12587 instead of loop_data->regs_used;
12588 (free_loop_data): Do not free aux fields for loops.
12589 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12590 and tree_ssa_iv_optimize_finalize.
12592 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12594 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12596 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12599 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12600 computing the effective result type.
12602 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12604 PR inline-asm/16194
12605 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12606 (tree_overlaps_hard_reg_set): Declare.
12607 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12608 type and signature to match function type expected by walk_tree.
12609 (tree_overlaps_hard_reg_set): New function.
12610 (decl_conflicts_with_clobbers_p): Rename to:
12611 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12612 Use tree_overlaps_hard_reg_set. Changed caller.
12613 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12614 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12615 * cris.c (cris_md_asm_clobbers): Likewise.
12617 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12619 * reload1.c (emit_input_reload_insns): Delete code that tries to
12620 inherit using find_equiv_reg.
12622 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12624 * c-common.h (flag_const_strings): Don't declare.
12625 * c-common.c (flag_const_strings): Remove.
12626 * c.opt (fconst_strings): Remove.
12627 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12628 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12629 (c_common_init_options): Don't set flag_const_strings.
12630 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12632 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12634 * arm.md (tlobits_cbranch): New pattern.
12635 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12636 testing a single bit.
12638 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12641 * tree-ssa-pre.c (create_component_ref_by_pieces):
12642 Handle RETURN_DECL like VAR_DECL.
12644 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12646 PR middle-end/26134
12647 * fold-const.c (fold_indirect_ref_1): Fold
12648 "*(foo *)&complexfoo" to "__real__ complexfoo"
12649 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12651 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12653 * tree-flow-inline.h (var_can_have_subvars):
12654 Volatile variables should not have subvariables.
12656 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12659 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12660 multiplying unsigned values.
12663 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12665 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12667 2006-02-08 Jason Merrill <jason@redhat.com>
12670 * tree.def: Elaborate on difference from MODIFY_EXPR.
12671 * doc/c-tree.texi (INIT_EXPR): Likewise.
12672 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12673 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12674 (gimplify_target_expr): Likewise.
12675 (gimplify_cond_expr): Remove target handling.
12676 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12677 (gimplify_expr): Clobber it here.
12678 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12679 Do return slot optimization if we have an INIT_EXPR.
12682 * tree-inline.c (declare_return_variable): Also clear
12683 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12686 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12688 PR middle-end/22439
12689 * gimplify.c (gimplify_one_sizepos): Fix typo.
12691 2006-02-08 Jeff Law <law@redhat.com>
12693 PR tree-optimization/21417
12694 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12695 across a backedge if the control statement at the end of the
12696 block is data dependent on other statements in the same block.
12697 (record_temporary_equivalences_from_stmts): Remove over-conservative
12698 test for threading across backedges.
12700 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12701 control statement, handle all three special cases in the same
12702 manner as they all have the same desired solution. No longer
12703 special case edge flag updating when the post dominator is
12706 2006-02-08 Roger Sayle <roger@eyesopen.com>
12708 * tree.def (CHAR_TYPE): Remove.
12709 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12710 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12711 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12712 (gen_string_type_die): Delete unreachable function.
12714 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12715 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12716 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12717 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12718 * builtins.c (type_to_class): Likewise.
12719 * fold-const.c (fold_convert, build_range_check,
12720 merge_ranges): Likewise.
12721 * expr.c (count_type_elements): Likewise.
12722 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12723 * stor-layout.c (layout_type): Likewise.
12724 * ipa-type-escape.c (type_to_consider): Likewise.
12725 * gimplify.c (omp_firstprivatize_type_sizes,
12726 gimplify_type_sizes): Likewise.
12727 * explow.c (promote_mode): Likewise.
12728 * tree-sra.c (is_sra_scalar_type): Likewise.
12729 * varasm.c (output_constant): Likewise.
12730 * tree-inline.c (remap_type_1): Likewise.
12731 * convert.c (convert_to_pointer, convert_to_real,
12732 convert_to_integer, convert_to_complex): Likewise.
12734 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12736 * df-scan.c (df_def_record_1): A set destination may
12737 be a parallel regardless of mode.
12739 2006-02-08 Roger Sayle <roger@eyesopen.com>
12742 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12743 * config/mips/_tilib.c: Remove.
12744 * config/fixtfdi.c: New libgcc source file.
12745 * config/fixunstfdi.c: New source file.
12746 * config/floatditf.c: New source file.
12747 * config/floatunditf.c: New souce file.
12748 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12749 files above instead of config/mips/_tilib.c.
12750 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12752 2006-02-08 Jeff Law <law@redhat.com>
12754 PR tree-optimization/26169
12755 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12758 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12760 * df.h (DF_REG_SIZE): Return the length of the initialized
12763 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12765 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12766 __muldf3): Return a correctly signed zero.
12768 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12770 * passes.c (register_one_dump_file): Accept the current properties
12771 instead of pass number. Adjust call to dump_register. Remove
12773 (register_dump_files): Now a wrapper around...
12774 (register_dump_files_1): ... this one. Do not modify the pass
12776 (next_pass_1): Cosmetic fix.
12777 (execute_todo): Keep second parameter only. Use curr_properties
12778 instead of fetching it from the pass structure. Check and set
12780 (execute_one_pass): Handle TODO_set_props. Use curr_properties
12781 instead of fetching it from the pass structure. Fix calls to
12782 execute_todo. Update curr_properties and initialize .vcg RTL dump
12783 after running the pass. Reset last_verified.
12784 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
12786 (FIRST_AUTO_NUMBERED_DUMP): New.
12787 (dump_register): Remove "num" parameter, assign it within the
12789 (get_dump_file_name): Modify template for dumps.
12790 * tree-dump.h (dump_register): Adjust prototype.
12791 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
12792 (PROP_trees): Add PROP_gimple_lomp.
12793 (TODO_set_props): New.
12794 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
12795 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
12796 * cfgexpand.c (pass_expand): Destroy PROP_trees.
12798 2006-02-08 Jakub Jelinek <jakub@redhat.com>
12800 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
12801 (sparc64-*-linux*): Likewise.
12802 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12803 * config/sparc/t-linux: New file.
12804 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12805 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12806 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12807 -m32 -mlong-double-128.
12809 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12810 * config/alpha/t-linux: New file.
12811 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12813 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12814 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12815 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12816 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12817 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12818 (CPP_ARCH32_SPEC): Remove.
12820 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12822 PR tree-optimization/26145
12823 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12826 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12829 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12830 >= 240000 when generating code for SOM runtime.
12831 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12832 to $$dyncall when generating code for SOM runtime..
12834 2006-02-07 Dirk Mueller <dmueller@suse.com>
12837 * doc/invoke.texi (-Wsequence-point): Update documentation
12838 that -Wsequence-point is implemented for C++ as well.
12840 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12842 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12843 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12844 (LIB_SPEC): Likewise.
12845 * doc/invoke.texi (SPARC options): Document -pthread.
12847 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12849 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12852 2006-02-07 Roger Sayle <roger@eyesopen.com>
12854 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12855 Correct comment describing BOOLEAN_TYPE.
12857 2006-02-07 Dirk Mueller <dmueller@suse.com>
12859 * c.opt: C++ frontend supports -Wdiv-by-zero.
12860 * c-opts.c (c_common_handle_option): Remove dead case.
12862 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12864 * configure.ac (TLS assembler check): Do not enable TLS by
12865 default on SPARC/Solaris before version 10.
12866 * configure: Regenerate.
12868 2006-02-07 David Edelsohn <edelsohn@gnu.org>
12870 * doc/invoke.texi (xl-compat): Document conversion and support
12873 2006-02-07 Jeff Law <law@redhat.com>
12875 * tree-vrp.c (find_conditional_asserts): Update comments.
12876 (simplify_stmt_for_jump_threading): New.
12877 (identify_jump_threads, finalize_jump_threads): New.
12878 (vrp_finalize): Call identify_jump_threads.
12879 (execute_vrp): Call finalize_jump_threads.
12880 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
12881 (vrp_element, vrp_data, vrp_element_p): Remove.
12882 (vrp_hash_elt, vrp_variables_stack): Remove.
12883 (vrp_hash, vrp_eq, record_range): Remove.
12884 (simplify_cond_and_lookup_avail_expr): Remove.
12885 (extract_range_from_cond): Remove.
12886 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
12887 (simplify_stmt_for_jump_threading): New.
12888 (dom_thread_across_edge): New wrapper.
12889 (tree_ssa_dominator_optimize): No longer initialize or
12890 finalize any of the VRP datastructures. Remove iteration
12891 step and simplify as a result of removal of iteration step.
12892 (pass_dominator): Perform a cfg cleanup after DOM.
12893 (dom_opt_finalize_block): Use the new common routines
12894 for threading jumps. Simplify stack management slightly.
12895 No longer need to unwind VRP state.
12896 (record_equivalences_from_incoming_edge): No longer record
12898 (eliminate_redundant_computations): No longer call
12899 simplify_cond_and_lookup_avail_expr.
12900 * tree-flow.h (potentially_threadable_block): Prototype.
12901 (thread_across_edge): Likewise.
12902 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
12903 (tree-ssa-threadedge.o): Add dependencies.
12904 * tree-ssa-threadedge.c: New file.
12905 * passes.c (init_optimization_passes): Merge PHIs before
12906 calling VRP. Run VRP again late in the SSA optimization pipeline.
12908 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12910 * df-core.c (df_set_blocks): Do not dereference function pointers.
12911 (df_finish1): Likewise.
12912 (df_hybrid_search_forward): Likewise.
12913 (df_hybrid_search_backward): Likewise.
12914 (df_iterative_dataflow): Likewise.
12915 (df_analyze_problem): Likewise.
12916 (df_compact_blocks): Likewise.
12917 (df_dump): Likewise.
12918 * df-scan.c (df_rescan_blocks): Likewise.
12919 (df_record_entry_block_defs): Likewise.
12921 * genconditions.c (write_conditions): Guard the definition of
12922 'insn_conditions' with the check on GCC version.
12923 (write_writer): Guard the traversal 'insn_conditions' with
12924 the check on GCC version.
12926 2006-02-07 Richard Guenther <rguenther@suse.de>
12930 2006-01-30 Richard Guenther <rguenther@suse.de>
12932 * gimplify.c (gimplify_target_expr): Handle easy cases
12933 without creating a temporary.
12935 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
12937 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
12938 use of float in probability computations. Use edge probabilities
12939 in place of statically computed probabilities.
12940 (min_spec_prob): New static variable.
12941 (schedule_insns): Initialize it.
12942 (GET_SRC_PROB): Removed.
12943 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
12945 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
12948 * config/ia64/unwind-ia64.c: Revert last change.
12949 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
12950 (INCOMING_FRAME_SP_OFFSET): Define.
12952 2006-02-06 Roger Sayle <roger@eyesopen.com>
12954 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
12956 2006-02-07 Ben Elliston <bje@au.ibm.com>
12958 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
12959 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
12960 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
12961 (ix86_return_in_memory): Handle TDmode.
12962 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
12963 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
12965 2006-02-06 Richard Sandiford <richard@codesourcery.com>
12967 * reorg.c (dbr_schedule): Use dump_file instead of file.
12969 2006-02-06 Steve Ellcey <sje@cup.hp.com>
12972 * config/ia64/predicates.md (extr_len_operand): New predicate.
12973 * config/ia64/ia64.md (extv): Tighten constraints.
12975 (*tbit_and_2): Ditto.
12976 (*tbit_and_3): Ditto.
12977 (*tbit_or_2): Ditto.
12978 (*tbit_or_3): Ditto.
12979 (*bit_zero): Ditto.
12982 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
12985 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
12987 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
12989 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
12990 loop_optimizer_init and loop_optimizer_finalize
12991 * tree-ssa-sink.c (execute_sink_code): Ditto.
12992 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12993 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
12994 tree_ssa_loop_done): Ditto.
12995 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
12996 * sched-ebb.c: Include output.h.
12997 (schedule_ebbs): Do not use dump argument.
12998 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
12999 * loop.c (loop_dump_stream): Removed.
13000 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13002 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13003 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13004 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13005 loop_iterations, strength_reduce, record_biv, record_giv,
13006 final_giv_value, check_final_value, check_ext_dependent_givs,
13007 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13008 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13009 dump_file instead of loop_dump_stream.
13010 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13011 argument dump_file.
13012 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13014 * flow.c (life_analysis, rest_of_handle_life): Ditto.
13015 * haifa-sched.c: Include output.h
13016 (schedule_insns, sched_init): Do not use dump argument.
13017 * mode-switching.c (optimize_mode_switching): Ditto.
13018 * modulo-sched.c (stats_file): Removed.
13019 (print_node_sched_params): Do not call argument dump_file.
13020 (sms_schedule_by_order, loop_canon_p, sms_schedule,
13021 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
13023 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13025 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13026 rtl_loop_init, rtl_loop_done): Ditto.
13027 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13028 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13030 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13031 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13032 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13033 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13034 * emit-rtl.c (renumber_insns): Ditto.
13035 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13036 expand_gimple_basic_block, tree_expand_cfg): Ditto.
13037 * regclass.c (regclass): Ditto.
13038 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13039 remove_ssa_form, rewrite_out_of_ssa): Ditto.
13040 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13041 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13043 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13044 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13046 * gcse.c (gcse_file, debug_stderr): Removed.
13047 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13048 rest_of_handle_gcse): Do not use dump argument.
13049 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13050 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13051 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13052 compute_code_hoist_vbeinout, compute_code_hoist_data,
13053 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13054 compute_store_table, build_store_vectors, insert_insn_start_bb,
13055 insert_store, remove_reachable_equiv_notes, replace_store_insn,
13056 store_motion): Use dump_file instead of gcse_file.
13057 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13058 * profile.c (profile_dump_file): Removed.
13059 (branch_prob): Use dump_file instead of profile_dump_file.
13060 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13062 * tree-ssa-copy.c (dump_copy_of): Ditto.
13063 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13064 dump file to life_analysis.
13065 * bt-load.c (branch_target_load_optimize): Ditto.
13066 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13068 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13069 regclass, dbr_schedule): Declaration changed.
13070 * sched-int.h (sched_init): Declaration changed.
13071 * tree-profile.c (tree_profile_dump_file): Removed.
13072 (tree_profile_hooks): Removed profile_dump_file hook.
13073 * rtl-profile (rtl_profile_dump_file): Removed.
13074 (rtl_profile_hooks): emoved profile_dump_file hook.
13075 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13077 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13078 * tree-cfg.c (build_tree_cfg): Ditto.
13079 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13080 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13081 Declaration changed.
13082 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13083 life_analysis and schedule_insns.
13084 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13086 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13088 * config/mips/mips.c (mips_reorg): Ditto.
13089 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13092 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13094 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13095 (s390_mangle_fundamental_type): New.
13096 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13099 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13100 (alpha_mangle_fundamental_type): New.
13101 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13104 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13106 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13108 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13109 (sparc_mangle_fundamental_type): New.
13111 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13113 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13114 (s390x-*-linux*): Likewise.
13115 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13116 * config/s390/t-linux: New file.
13118 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13120 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13121 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13123 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13125 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13126 (ANTIC_SAFE_LOADS): New macro.
13127 (find_or_generate_expression): Add prototype.
13128 (set_contains_value): Allow null set for sake of not always having
13129 to allocate ANTIC_SAFE_LOADS.
13130 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13131 Allow COMPONENT_REF too.
13132 (valid_in_set): Allow COMPONENT_REF.
13133 Check ANTIC_SAFE_LOADS too.
13134 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13135 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13137 (can_PRE_operation): Add COMPONENT_REF.
13138 (create_component_ref_by_pieces): New function.
13139 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13140 (insert_aux): Move AGGREGATE_TYPE_P check here.
13141 (compute_avail): Set bb local stmt uids.
13142 (pass_pre): Use TODO_update_ssa_only_virtuals.
13144 2006-02-06 Ben Elliston <bje@au.ibm.com>
13146 * configure.ac: Unconditionally disable decimal float by default.
13147 * configure: Regenerate.
13149 2006-02-06 Ben Elliston <bje@au.ibm.com>
13151 * read-rtl.c (read_name): Terminate reading on EOF.
13153 2006-02-06 Ben Elliston <bje@au.ibm.com>
13155 * dfp.c (decimal_real_arithmetic): Change second argument type
13156 from int to enum tree_code. Do not always return true, but now
13157 return result of any call to decimal_do helper functions.
13158 * dfp.h (decimal_real_arithmetic): Update prototype.
13160 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
13162 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13164 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
13167 * tree-cfg.c (cleanup_dead_labels): Also don't remove
13170 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13172 * tree-vrp.c (cfg_loops): Removed.
13173 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13174 Use current_loops instead of cfg_loops. Pass flags to
13175 loop_optimizer_init.
13176 * cfgloopmanip.c (fix_loop_structure): Update only available
13178 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13179 loop_optimizer_init.
13180 * modulo-sched.c (build_loops_structure): Removed.
13181 (sms_schedule): Use loop_optimizer_init.
13182 * loop-init.c (loop_optimizer_init): Use flags to determine
13183 which properties of loops to prepare.
13184 (rtl_loop_init): Pass flags to loop_optimizer_init.
13185 * tree-ssa-sink.c (execute_sink_code): Ditto.
13186 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13187 * tree-ssa-pre.c (init_pre): Ditto.
13188 * cfgloop.h (LOOPS_NORMAL): New.
13189 (loop_optimizer_init): Declaration changed.
13191 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13193 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13194 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13196 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13198 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13200 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13201 * pa/t-pa64: Delete quadlib.c rule.
13202 * pa/x-ada: Revert last change.
13203 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13205 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13207 PR rtl-optimization/26087
13208 * rtlanal.c (canonicalize_condition): Do not cross basic block
13211 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13214 * config/ia64/ia64.c: Include debug.h.
13215 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13216 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13217 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13218 (process_epilogue, process_set, process_for_unwind_directive):
13219 Output unwind info only if requested. Add CFA info if requested.
13220 Add new arguments as needed. Adjust callers.
13221 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13223 (DWARF2_FRAME_INFO): Define to zero.
13224 * config/ia64/unwind-ia64.c: Remove code that compensated for
13225 the CFA offset error fixed above.
13226 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13227 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13228 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13229 -funwind-tables and -fexceptions to enable frame info.
13230 (dwarf2out_frame_init): Define initial CFA even if
13231 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13232 DWARF2_UNWIND_INFO is nonzero, not just defined.
13233 (dwarf2out_frame_finish): Output non-EH call frame info only
13234 if DWARF2_FRAME_INFO is nonzero.
13235 (convert_cfa_to_loc_list,
13236 compute_frame_pointer_to_cfa_displacement): Define even if
13237 unwind info is not supported.
13238 (gen_subprogram_die): Use the above unconditionally. Remove
13239 legacy alternate code.
13240 * toplev.c (compile_file): Compile in call to
13241 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13242 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13244 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13245 Jakub Jelinek <jakub@redhat.com>
13247 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13248 IBM extended float format long double as "g" on powerpc*-linux.
13250 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13253 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13254 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13256 2006-02-03 Jason Merrill <jason@redhat.com>
13259 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13261 PR middle-end/25977
13262 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13263 on the return slot if it's an NRV.
13265 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13267 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13268 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13269 rewrite_use): Do not handle USE_OUTER.
13270 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13271 add_iv_outer_candidates, may_replace_final_value,
13272 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13273 (find_interesting_uses_op): Functionality of
13274 find_interesting_uses_outer_or_nonlin moved here.
13275 (find_interesting_uses_outside): Use find_interesting_uses_op.
13277 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13280 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13282 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13283 Ulrich Weigand <uweigand@de.ibm.com>
13286 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13287 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13288 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13289 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13291 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13292 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13293 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13294 Define secondary reloads for TFmode moves.
13295 (constant_modes): Add TFmode.
13296 (NR_C_MODES): Set to 8.
13297 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13299 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13300 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13301 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13302 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13303 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13304 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13305 (FPR mode macro): Add TFmode.
13306 (DSF mode macro): New.
13307 (<de>, <dee> mode attributes): Removed.
13308 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13309 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13310 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13311 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13312 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13313 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13314 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13315 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13316 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13317 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13318 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13319 "*negabs<mode>2", "sqrt<mode>2"):
13320 Changed <de> to <xde>. R constraint replaced by <Rf>.
13321 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13323 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13324 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13325 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13327 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13328 "extenddftf2", "extendsftf2"): New expanders.
13329 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13330 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13331 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13332 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13334 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13335 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13336 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13337 __floatditf): Add a GCC_4.1.0 symbol version tag.
13338 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13341 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13344 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13345 Use targetm.binds_local_p instead of TREE_PUBLIC.
13347 2006-02-02 Roger Sayle <roger@eyesopen.com>
13349 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13350 on INTEGER_TYPEs to indicate that it denotes a character type.
13351 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13352 signed_char_type_node, unsigned_char_type_node and char_type_node.
13353 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13354 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13355 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13357 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13358 Daniel Berlin <dberlin@dberlin.org>
13360 * tree-tailcall.c (arg_needs_copy_p): New function.
13361 (eliminate_tail_call): Use arg_needs_copy_p.
13362 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13363 (add_virtual_phis): New function.
13365 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13367 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13368 #ignore instead of #scratch for %g7 .register directive.
13370 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13372 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13375 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13377 * flow.c (calculate_global_regs_live): Assert that there aren't any
13380 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13382 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13383 what its name says.
13384 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13385 bsi_after_labels iterator.
13386 * tree-if-conv.c (find_phi_replacement_condition,
13387 replace_phi_with_cond_modify_expr): Likewise.
13388 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13389 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13391 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13393 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13395 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13398 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13399 array after growing it.
13401 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13403 PR middle-end/24901
13404 * fold-const.c (fold_checksum_tree): Change type of buf.
13406 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13408 * reload.c (push_secondary_reload): Initialize t_icode.
13410 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13412 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13413 -msoft-float -mlong-double-128 only issue a warning, but don't
13414 swich to DFmode long double.
13416 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13418 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13419 has a constant equivalent, iterate over equivalents for arg0,
13420 calling simplify_relational_operation and if there's a result
13421 cheaper than X, apply fold_rtx and return the result.
13423 2006-02-01 Jan Hubicka <jh@suse.cz>
13425 * opts.c (no_unit_at_a_time_default): New global variable.
13426 (decode_options): Use it.
13427 * opts.h (no_unit_at_a_time_default): Declare.
13429 2006-02-01 Paul Brook <paul@codesourcery.com>
13431 * function.c (assign_parm_setup_reg): Use function argument promotion
13433 * expr.c (expand_expr_real_1): Use function argument promotion rules
13436 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13438 * gcc.c (process_command): Change j to 'unsigned int'.
13440 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13442 PR middle-end/26001
13443 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13444 Use the corrected index for the character
13445 out of the string constant.
13447 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13449 * mode-switching.c (optimize_mode_switching): Fix size
13450 allocated for bb_info[n_entities].
13452 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13454 * gcc.c (main): Correct type that is allocated for
13455 explicit_link_files.
13457 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13459 * config/s390/s390.c (init_alignment_context): Set
13460 ALIAS_SET_MEMORY_BARRIER on the MEM.
13461 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13463 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13465 PR middle-end/25933
13466 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13468 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13471 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13473 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13474 * regrename.c: Ditto.
13475 * tree-ssa-loop-im.c: Ditto.
13476 * tree-dump.c: Ditto.
13477 * tree-complex.c: Ditto.
13478 * genrecog.c: Ditto.
13479 * tree-ssa-threadupdate.c: Ditto.
13481 * java/class.c: Ditto.
13482 * java/jcf-parse.c: Ditto.
13483 * java/resource.c: Ditto.
13484 * java/except.c: Ditto.
13485 * java/jvspec.c: Ditto.
13486 * java/jcf-write.c: Ditto.
13487 * java/jcf-path.c: Ditto.
13488 * java/gjavah.c: Ditto.
13489 * java/zextract.c: Ditto.
13490 * java/jcf-io.c: Ditto.
13491 * java/jcf.h: Ditto.
13492 * java/buffer.c: Ditto.
13493 * java/lang.c: Ditto.
13494 * java/parse-scan.y: Ditto.
13495 * java/lex.c: Ditto.
13496 * java/lex.h: Ditto.
13497 * cfgloopmanip.c: Ditto.
13498 * postreload-gcse.c: Ditto.
13499 * tree-ssa-loop-manip.c: Ditto.
13500 * postreload.c: Ditto.
13501 * tree-ssa-loop-ch.c: Ditto.
13504 * cppspec.c: Ditto.
13505 * diagnostic.c: Ditto.
13507 * genoutput.c: Ditto.
13509 * cfghooks.c: Ditto.
13510 * cfgloopanal.c: Ditto.
13511 * objc/objc-act.c: Ditto.
13513 * genextract.c: Ditto.
13514 * genautomata.c: Ditto.
13515 * pretty-print.c: Ditto.
13516 * genemit.c: Ditto.
13517 * cgraphunit.c: Ditto.
13519 * df-scan.c: Ditto.
13520 * haifa-sched.c: Ditto.
13521 * dominance.c: Ditto.
13523 * tree-ssa-loop-ivopts.c: Ditto.
13524 * df-core.c: Ditto.
13525 * mode-switching.c: Ditto.
13526 * modulo-sched.c: Ditto.
13528 * ipa-pure-const.c: Ditto.
13530 * fix-header.c: Ditto.
13532 * tree-stdarg.c: Ditto.
13533 * ipa-utils.c: Ditto.
13534 * loop-init.c: Ditto.
13535 * ipa-inline.c: Ditto.
13536 * cfganal.c: Ditto.
13538 * alloc-pool.c: Ditto.
13539 * dwarf2out.c: Ditto.
13541 * genattrtab.c: Ditto.
13542 * tree-ssa-loop-ivcanon.c: Ditto.
13543 * predict.c: Ditto.
13544 * timevar.c: Ditto.
13546 * fortran/gfortranspec.c: Ditto.
13547 * regmove.c: Ditto.
13548 * local-alloc.c: Ditto.
13549 * langhooks.c: Ditto.
13550 * function.c: Ditto.
13551 * tree-vectorizer.c: Ditto.
13553 * ipa-type-escape.c: Ditto.
13555 * tree-if-conv.c: Ditto.
13556 * profile.c: Ditto.
13558 * tree-data-ref.c: Ditto.
13559 * loop-unroll.c: Ditto.
13560 * treelang/treetree.c: Ditto.
13562 * bt-load.c: Ditto.
13563 * ggc-common.c: Ditto.
13565 * coverage.c: Ditto.
13567 * tree-cfgcleanup.c: Ditto.
13568 * tree-ssa-pre.c: Ditto.
13569 * cfgcleanup.c: Ditto.
13570 * loop-invariant.c: Ditto.
13571 * loop-iv.c: Ditto.
13572 * ipa-prop.c: Ditto.
13573 * print-tree.c: Ditto.
13574 * conflict.c: Ditto.
13575 * ggc-page.c: Ditto.
13576 * sched-deps.c: Ditto.
13577 * regclass.c: Ditto.
13578 * tree-object-size.c: Ditto.
13579 * combine.c: Ditto.
13580 * bb-reorder.c: Ditto.
13581 * resource.c: Ditto.
13582 * var-tracking.c: Ditto.
13583 * cfgloop.c: Ditto.
13584 * df-problems.c: Ditto.
13585 * reg-stack.c: Ditto.
13587 * gccspec.c: Ditto.
13588 * sched-rgn.c: Ditto.
13589 * tree-ssa-structalias.c: Ditto.
13590 * tree-ssa-reassoc.c: Ditto.
13591 * config/darwin-c.c: Ditto.
13592 * config/darwin.c: Ditto.
13593 * config/arm/arm.c: Ditto.
13595 * collect2.c: Ditto.
13596 * reload1.c: Ditto.
13598 2006-01-31 Nicolas Pitre <nico@cam.org>
13600 * arm.md (smaxsi3): Make aware of smax_m1.
13603 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13605 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13607 2006-01-31 Richard Guenther <rguenther@suse.de>
13609 * doc/invoke.texi (-msselibm): Document.
13610 * target.h (expand_library_builtin): New target hook.
13611 * builtins.c (expand_builtin): Use expand_library_builtin.
13612 (default_expand_library_builtin): New function.
13613 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13614 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13615 (link_gcc_math_spec): Declare.
13616 (static_specs): Add link_gcc_math_spec.
13617 * expr.h (default_expand_library_builtin): Declare.
13618 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13619 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13620 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13621 * config/i386/i386.opt (msselibm): New target option.
13622 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13623 (ix86_init_sse_abi_builtins): New function.
13624 (ix86_expand_library_builtin): Likewise.
13625 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13626 (override_options): Handle error conditions wrt -msselibm.
13627 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13628 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13629 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13632 2006-01-31 Richard Guenther <rguenther@suse.de>
13633 Paolo Bonzini <bonzini@gnu.org>
13635 * doc/install.texi (--disable-libgcc-math): Document.
13637 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13639 * expr.h (expand_normal): new inline function.
13640 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13641 * dojump.c: use it.
13642 * dwarf2out.c: use it.
13645 * expmed.c: use it.
13646 * except.c: use it.
13647 * config/sparc/sparc.c: use it.
13648 * config/i386/i386.c: use it.
13649 * config/rs6000/rs6000.c: use it.
13650 * config/arm/arm.c: use it.
13651 * config/mips/mips.c: use it.
13652 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13654 2006-01-30 Roger Sayle <roger@eyesopen.com>
13656 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13657 argv to the appropriate type.
13659 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13661 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13664 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13667 * config/s390/s390.c (struct machine_function): New flag
13668 decomposed_literal_pool_addresses_ok_p.
13669 (s390_reorg): Set it before final stage of literal pool transforms.
13670 (s390_decompose_address): Only accept displacements of the form
13671 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13673 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13675 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13676 the comparison routine return.
13678 2006-01-30 Michael Matz <matz@suse.de>
13680 * global.c (find_reg): Only evict for global regs.
13681 Take n_refs into account and dump more info.
13683 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13686 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13687 (pragma_trap, pragma_nosave_low_regs): Likewise.
13688 (current_function_anonymous_args): Likewise.
13689 (sh_deferred_function_attributes): New variable.
13690 (sh_deferred_function_attributes_tail): Likewise.
13691 (print_operand): For '@', look up trap_exit attribute.
13692 (calc_live_regs): Look up trapa_handler attribute. For trapa
13693 handlers, save/restore fpscr, but don't do any other
13694 interrupt-specific saves.
13695 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13696 Fix check for partially saved registers to check for SHmedia.
13697 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13698 (sh_output_function_epilogue): Don't clear any of the removed
13700 (sh_insert_attributes): Don't check pragma_interrupt.
13701 Insert deferred attributes. Check that interrupt attribute is
13702 present for other attributes that require its presence.
13703 (sh_attribute_table): Add new attributes trapa_handler and
13705 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13706 Don't check for pragma_interrupt. Don't store argument.
13707 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13708 (sh_deferred_function_attributes): Declare.
13709 (sh_deferred_function_attributes_tail): Likewise.
13710 * sh.md (sp_switch_1): Add operand. Change generator caller.
13711 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13712 (*return_i): Don't use when trap_exit attribute is in effect.
13713 (*return_trapa): New insn pattern.
13714 * sh-c.c: New file.
13715 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13716 setting c_target_objs and cxx_target_objs.
13717 * t-sh: Add rule for sh-c.o.
13719 2006-01-30 Richard Guenther <rguenther@suse.de>
13722 * gimplify.c (gimplify_target_expr): Handle easy cases
13723 without creating a temporary.
13725 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13727 * vec.h (safe_grow): Remove duplicated line.
13729 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13732 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13733 (expand_omp): ... here.
13734 (expand_omp_parallel): Only remove barriers for combined
13735 parallel+workshare constructs.
13737 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13741 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13742 * tree.c (build_qualified_type): Chain the new type to the original
13743 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13744 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13745 (build_pointer_type_for_mode): Only return unqualified types.
13746 (build_reference_type_for_mode): Likewise.
13748 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13750 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13751 * Makefile.in (CXX_COMPAT_WARN): Define.
13752 * configure: Regenerate.
13754 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13757 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13760 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13762 * toplev.c: Fix thinko.
13764 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13765 Marcin Dalecki <martin@dalecki.de>
13767 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13768 (push_srcloc): Use XNEW.
13769 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13771 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13773 * df-core.c (df_set_blocks): Deleted all variable.
13775 2006-01-28 Ian Lance Taylor <ian@airs.com>
13777 * cgraphunit.c (cgraph_assemble_pending_functions): Call
13778 cgraph_output_pending_asms.
13780 2006-01-28 Zack Weinberg <zackw@panix.com>
13782 * c.opt: Add -W(no-)overlength-strings.
13783 * doc/invoke.texi: Document it.
13784 * c-opts.c (c_common_handle_option): -pedantic implies
13785 -Woverlength-strings, if not explicitly disabled already.
13786 (c_common_post_options): -Woverlength-strings defaults to off, and
13787 is always off for C++.
13788 * c-common.c (fix_string_type): Issue warning about strings longer
13789 than is portable only if warn_overlength_strings. Rearrange code
13790 a little for clarity.
13791 * configure.in: Check for -Wno-overlength-strings as well before
13792 enabling -pedantic in stage 1.
13793 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
13794 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
13796 * genconditions.c (write_header, write_one_condition)
13797 (write_conditions, write_writer): Consolidate very long strings
13798 that were broken up to fit in C89 portable limit. Don't use
13799 printf when fputs will do.
13801 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13803 * combine.c (simplify_comparison <AND>): Check
13804 TRULY_NOOP_TRUNCATION before start using a subreg.
13806 * config/mips/mips.md (*branch_zero<mode>,
13807 *branch_zero<mode>_inverted, *branch_equality<mode>,
13808 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13809 Remove mode check from comparisons.
13811 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13813 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13815 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13817 * expmed.c (const_mult_add_overflow_p): Remove.
13818 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13820 * recog.c (validate_replace_rtx_subexp): Remove.
13821 * recog.h: Remove the prototype for
13822 validate_replace_rtx_subexp.
13824 * integrate.h: Remove the prototype for
13825 copy_decl_for_inlining.
13826 * rtl.h: Remove the prototype for mark_constant_function.
13827 * tree-vectorizer.h: Remove the prototype for
13828 vect_strip_conversion.
13830 * modulo-sched.c (create_partial_schedule,
13831 free_partial_schedule, reset_partial_schedule): Make them
13834 * hooks.c (hook_bool_rtx_int_false): Remove.
13835 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13837 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13839 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13840 and -mlong-double-128 are incompatible.
13841 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13842 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13843 (TARGET_LIBGCC2_CFLAGS): Define.
13844 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13845 (TARGET_LIBGCC2_CFLAGS): Same.
13846 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13848 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13851 * c-typeck.c (build_binary_op): Perform implicit casts of
13852 operands before shortening them.
13854 * cfgloopmanip.c (split_loop_bb): Remove.
13855 * cfgloop.h: Remove the prototype for split_loop_bb.
13857 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13858 * cfgloop.h: Remove the prototype for
13859 flow_loop_outside_edge_p.
13861 * emit-rtl.c (init_virtual_regs): Make it static.
13862 * function.h: Remove the prototype for init_virtual_regs.
13864 * recog.c (peephole2_optimize): Make it static.
13865 * recog.h: Remove the prototype for peephole2_optimize.
13867 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13869 * df-scan.c (df_record_entry_block_defs): Check if
13870 INCOMING_RETURN_ADDR_RTX is defined.
13872 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
13873 Kenneth Zadeck <zadeck@naturalbridge.com>
13875 PR rtl-optimization/24762
13876 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13877 * targhooks.c (hook_void_bitmap): New hook prototype.
13878 * targhoohs.h (hook_void_bitmap): Ditto.
13879 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
13880 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
13881 * target.h (live_on_entry): New function pointer.
13882 * df-scan.c (df_all_hard_regs): Removed.
13883 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
13884 (df_scan_free_internal): Added df->entry_block_defs.
13885 (df_scan_alloc): Ditto.
13886 (df_scan_dump): Ditto.
13887 (df_uses_record): Plumbed flag field properly thru calls.
13888 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
13889 This part fixes PR24762.
13890 (df_bb_refs_record): Added code to make the frame and arg
13891 pointers live in EH blocks.
13892 (df_refs_record): Added call to df_record_entry_block_defs.
13893 (df_record_entry_block_defs): New function.
13894 * df-core.c: Added comments to describe new artifical defs.
13895 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
13896 (entry_block_defs): New field in struct df.
13897 (df_all_hard_regs): Deleted.
13898 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13899 * df-problems.c (df_ru_bb_local_compute_process_def):
13900 Added code to handle artifical defs in the entry to a function.
13901 (df_ru_bb_local_compute): Ditto.
13902 (df_rd_bb_local_compute_process_def): Ditto.
13903 (df_rd_bb_local_compute): Ditto.
13904 (df_lr_bb_local_compute): Ditto.
13905 (df_ur_bb_local_compute): Ditto.
13906 (df_urec_bb_local_compute): Ditto.
13907 (df_chain_create_bb): Ditto.
13908 (df_ur_local_finalize): Removed entry.
13909 (df_urec_init): Ditto.
13910 (df_urec_local_finalize): Ditto.
13911 (df_ri_bb_compute): Added detection of last use of pseudos.
13912 * Makefile.in (df-scan.o): Updated dependencies.
13913 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
13914 * config/mips/mips.c (mips_set_live_on_entry): Added.
13915 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
13917 * dce.c (marked_insn_p): Added code to handle artifical defs.
13919 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13921 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
13923 (_mm_cvtsi128_si64): Likewise.
13924 (_mm_cvtsd_si64): Likewise.
13925 (_mm_cvttsd_si64): Likewise.
13926 (_mm_cvtsi64_sd): Likewise.
13927 (_mm_cvtsi64_si128): Likewise.
13928 * config/i386/mmintrin.h (_m_from_int64): Likewise.
13929 (_mm_cvtsi64_m64): Likewise.
13930 (_m_to_int64): Likewise.
13931 (_mm_cvtm64_si64): Likewise.
13932 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
13933 (_mm_cvttss_si64): Likewise.
13934 (_mm_cvtsi64_ss): Likewise.
13935 (_mm_cvtss_f32): Likewise.
13937 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
13939 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
13940 for pragma redefine_extname.
13942 2006-01-27 Jakub Jelinek <jakub@redhat.com>
13945 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
13946 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
13947 -mno-minimal-toc to previous content.
13948 (bispecs): Remove goal.
13949 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
13950 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
13951 compatibility aliases on powerpc-*-*gnu*.
13952 * config/rs6000/libgcc-ppc-glibc.ver: New file.
13953 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
13954 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
13955 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
13956 (ldblspecs): New goal.
13957 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
13958 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
13960 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
13961 L_sf_to_tf or L_df_to_tf is defined.
13963 2006-01-27 David Edelsohn <edelsohn@gnu.org>
13964 Alan Modra <amodra@bigpond.net.au>
13967 * config/rs6000/linux.h (POWERPC_LINUX): Define.
13968 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
13969 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
13970 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
13971 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
13972 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
13973 (rs6000_override_options): Initialize rs6000_ieeequad.
13974 Initialize TFmode format to ibm_extended_format if not
13976 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
13978 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
13979 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
13980 (function_arg_advance): IBM long double passed in two FPRs, not
13982 (function_arg): IBM long double passed in FPRs.
13983 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
13984 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
13985 Only multireg GPR aligned.
13986 (rs6000_init_libfuncs): Enable IBM long double functions if not
13988 (rs6000_generate_compare): Use IBM long double compare if not
13990 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
13991 (TARGET_IEEEQUAD): Define.
13992 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
13993 not TARGET_IEEEQUAD.
13994 * config/rs6000/rs6000.md: Enable TFmode patterns if
13996 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
13997 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13998 and -mlong-double-128 are incompatible.
13999 * doc/invoke.texi (-mabi): Collect options together. Add
14000 ibmlongdouble and ieeelongdouble.
14002 2006-01-27 Richard Sandiford <richard@codesourcery.com>
14004 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14006 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14007 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14008 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14009 * rtl.h (rtunion_def): Remove rt_ptr.
14011 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14012 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14013 * config/i386/winnt.c (i386_pe_mark_dllexport)
14014 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14016 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14018 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14020 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14024 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14025 pthread_key_delete. From John David Anglin. gthrw-ify
14026 pthread_getunique_np only if it it's not a macro. Delete
14028 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14029 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14030 __gthread_objc_condition_signal, __gthread_key_delete): Add
14031 "__attribute__ ((__unused__))" to unused arguments.
14032 (__gthread_recursive_mutex_init_function): Add missing return.
14033 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14034 gthr-posix95.h: Use macro-based approach for name redirection
14035 on targets missing weakref.
14037 2006-01-26 Zack Weinberg <zackw@panix.com>
14039 * genconditions.c (write_header): In generated code, #ifdef out
14040 all includes and fake declarations, except includes of bconfig.h
14041 and system.h, unless GCC_VERSION >= 3001. Do not include
14042 gensupport.h in any case.
14043 (write_conditions): Generate a definition of struct c_test. Add
14044 a comment to the generated #endif.
14045 (write_one_condition): Escape backslashes in string too.
14046 (write_writer): Generated code must escape backslashes and quote
14047 marks (but not newlines) in the strings it writes.
14048 * Makefile.in (build/gencondmd.o): Update dependencies.
14050 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14053 * Makefile.in (insn-automata.o): Add header file dependencies.
14054 * genautomata.c: Add includes.
14056 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14059 * Makefile.in (insn-automata.o): Add -Wno-error flag.
14061 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14063 * configure.ac: Expect target tools paths to be passed from the toplevel
14064 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
14066 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14068 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14071 * c.opt (Wpointer-sign): Init to -1.
14072 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14073 OPT_pedantic, to 0 otherwise.
14074 * doc/invoke.texi: Update.
14076 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14078 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14079 constants provided by 80387 instructions in the destination mode.
14081 2006-01-26 Richard Guenther <rguenther@suse.de>
14082 Andrew Pinski <pinskia@physics.uc.edu>
14085 partial PR tree-opt/17064
14086 * tree-ssa-structalias.c (intra_create_variable_infos):
14087 Create heap variables for incoming parameters if
14088 flag_argument_noalias > 1.
14089 (find_what_p_points_to): Look through default defs of
14092 2006-01-26 Jeff Law <law@redhat.com>
14095 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14096 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14097 within the VR_RANGE, use the VR_RANGE as the result, not the
14099 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14100 bounds for the type.
14102 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14104 * tree-ssa-alias.c (maybe_create_global_var): Change
14105 subvar walking to an assertion that we don't have subvar'd variables.
14107 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14110 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14111 Use a new variable, inner. PARM_DECLs are always non-weak.
14113 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14115 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14116 --disable-checking.
14118 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14120 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14122 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14124 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14125 (smax_insn, smin_insn, smax_0, smin_0): New.
14127 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14130 * config/cris/cris.c (cris_order_for_addsi3): New function.
14131 * config/cris/cris-protos.h: Prototype it.
14132 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14133 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14134 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14135 (split for "op.S1 [rx=rx+i],ry (swapped)")
14136 (split for "op(s|u).S1 [rx=rx+i],ry")
14137 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14138 Apply cris_order_for_addsi3 when generating addsi3 insns.
14140 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14142 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14143 (TREE_BLOCK): Add call to EXPR_CHECK.
14145 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14148 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14149 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14150 (dump_omp_clauses): ... here.
14151 (dump_generic_node): Handle OMP_CLAUSE.
14152 * tree.c (omp_clause_num_ops): New.
14153 (omp_clause_code_name): New.
14154 (tree_code_size): Handle OMP_CLAUSE.
14155 (tree_size): Likewise.
14156 (make_node): Document handling of OMP_CLAUSE.
14157 (tree_node_structure): Handle OMP_CLAUSE.
14158 (omp_clause_check_failed): New.
14159 (omp_clause_range_check_failed): New.
14160 (omp_clause_operand_check_failed): New.
14161 (build_omp_clause): New.
14162 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14163 * tree.h (enum omp_clause_code): Declare.
14164 (OMP_CLAUSE_SUBCODE_CHECK): Define.
14165 (OMP_CLAUSE_RANGE_CHECK): Define.
14166 (OMP_CLAUSE_ELT_CHECK): Define.
14167 (omp_clause_check_failed): Declare.
14168 (omp_clause_operand_check_failed): Declare.
14169 (omp_clause_range_check_failed): Declare.
14170 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14171 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14172 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14173 (OMP_CLAUSE_LASTPRIVATE): Likewise.
14174 (OMP_CLAUSE_IF_EXPR): Likewise.
14175 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14176 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14177 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14178 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14179 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14180 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14181 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14182 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14183 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14184 (OMP_CLAUSE_CODE): Define.
14185 (OMP_CLAUSE_SET_CODE): Define.
14186 (OMP_CLAUSE_CODE): Define.
14187 (OMP_CLAUSE_OPERAND): Define.
14188 (struct tree_omp_clause): Declare.
14189 (union tree_node): Add field 'omp_clause'.
14190 * treestruct.def (TS_OMP_CLAUSE): Define.
14191 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14192 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14193 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14194 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14195 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14196 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14197 (OMP_CLAUSE): Define.
14198 * print-tree.c (print_node): Handle OMP_CLAUSE.
14199 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14200 * c-typeck.c: Likewise.
14201 * gimplify.c: Likewise.
14202 * c-omp.c: Likewise.
14203 * tree-nested.c: Likewise.
14204 * tree-inline.c: Likewise.
14205 * c-parser.c: Likewise.
14206 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14209 2006-01-25 Roger Sayle <roger@eyesopen.com>
14211 PR rtl-optimization/25703
14212 * combine.c (try_combine): Handle zero_extract and strict_low_part
14213 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14215 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14217 * global.c: Fix comment typos.
14219 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14222 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14223 Use output_addr_const instead of assemble_name.
14225 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14227 * Makefile.in (sched-vis.o): Update dependencies.
14228 * haifa-sched.c (sched_finish): Clear current_sched_info.
14229 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14230 (dump_flow_info): Call it.
14231 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14233 * basic-block.h (dump_bb_info): Declare.
14234 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14235 option, and apply options only for dump files whose TDF_RTL,
14236 TDF_TREE, or TDF_IPA bits match.
14237 * rtl.h: Declare new functions exported from sched-vis.c.
14238 * sched-vis.c: Enable also if scheduling is not used.
14239 (print_value): Print the mode of registers if not inside scheduling.
14240 (print_insn): Make it work outside the scheduler. Beautify the output
14242 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14244 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14246 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14247 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14248 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14249 depending on the value of CONSTANT_POOL_ADDRESS_P.
14250 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14252 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14253 rather than SYMBOL_REF_DECL.
14254 (rtx_constant_pool): Remove const_rtx_sym_htab.
14255 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14256 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14257 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14258 Remove handling of const_rtx_sym_htab.
14259 (find_pool_constant): Delete.
14260 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14261 rather than find_pool_constant.
14262 (get_pool_constant_for_function): Delete.
14263 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14264 find_pool_constant.
14265 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14266 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14267 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14268 (SYMBOL_REF_CONSTANT): New macro.
14269 (get_pool_constant_for_function): Delete.
14270 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14271 rather than SYMBOL_REF_DECL.
14272 (i386_pe_mark_dllimport): Likewise.
14273 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14274 rather than SYMBOL_REF_DECL.
14275 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14276 (machopic_indirect_call_target): Likewise.
14278 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14280 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14282 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14284 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14286 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14288 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14290 2006-01-24 David Daney <ddaney@avtrex.com>
14293 * configure.ac (enable_tls): New enable option.
14294 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14295 * configure: Regenerate.
14296 * doc/install.texi (--enable-tls): Document new option.
14297 (--disable-tls): Ditto.
14299 2006-01-24 Richard Henderson <rth@redehat.com>
14301 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14302 * alias.c (true_dependence): Respect it.
14303 (canon_true_dependence, write_dependence_p): Likewise.
14304 * builtins.c (get_builtin_sync_mem): Set it.
14306 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14308 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14311 2006-01-24 DJ Delorie <dj@redhat.com>
14313 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14314 for storing constants in single-bit bitfields.
14316 2006-01-25 Ben Elliston <bje@au.ibm.com>
14318 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14320 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14323 * tree-ssa-pre.c (phi_translate): Return NULL
14324 for AGGREGATE_TYPE's.
14326 2006-01-24 Zack Weinberg <zackw@panix.com>
14328 * genautomata.c (process_state_for_insn_equiv_partition):
14329 Use xcalloc for insn_arcs_array.
14330 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14331 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14333 2006-01-24 Richard Henderson <rth@redhat.com>
14335 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14336 update all callers.
14338 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14340 PR rtl-optimization/25890
14341 PR rtl-optimization/25905
14342 * combine.c (expand_compound_operation, expand_field_assignment):
14343 Fail if the bitfield's final position is out of bounds.
14345 2006-01-24 Ian Lance Taylor <ian@airs.com>
14347 PR middle-end/25930
14348 * cgraphunit.c (cgraph_output_in_order): Don't clear
14349 cgraph_asm_nodes until after asm strings have been output.
14351 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14353 * fix-header.c (read_scan_file): Add new parameter imultilib when
14354 calling register_include_chains.
14356 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14358 * omp-low.c: Update documentation.
14360 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14361 Daniel Berlin <dberlin@dberlin.org>
14365 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14366 return from the function.
14368 2006-01-22 Zack Weinberg <zackw@panix.com>
14370 * rtl.def (match_code): Add second argument.
14371 * genpreds.c (write_extract_subexp): New function.
14372 (write_match_code): Add path argument. Use write_extract_subexp.
14373 (write_predicate_expr): Pass path to write_match_code.
14374 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14375 not perform a mode test.
14376 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14377 a subexpression does not constrain the top-level code set.
14378 * read-rtl.c (read_rtx_variadic): New function.
14379 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14380 * doc/md.texi: Document new notation.
14381 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14382 (cmpsi_operand): ... here, using new notation.
14384 2006-01-22 Zack Weinberg <zackw@panix.com>
14386 * varray.c: Remove GENERATOR_FILE #ifdefs.
14388 2006-01-22 Zack Weinberg <zackw@panix.com>
14390 * genautomata.c (output_reserved_units_table): Emit nothing if
14391 description->query_units_num is zero. Remove extra blank line.
14392 (output_cpu_unit_reservation_p): Short circuit
14393 if description->query_units_num is zero.
14395 2006-01-22 Zack Weinberg <zackw@panix.com>
14397 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14398 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14399 nor any of the random handful of variables that used to be necessary
14400 when this program was linked with rtlanal.o. Prune set of forward
14401 function declarations.
14402 (struct attr_desc): Remove static_p field.
14403 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14404 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14405 (attr_string): Do not read the character one past the length of
14407 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14408 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14409 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14410 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14411 (make_automaton_attrs): New.
14412 (main): Do not call into genautomata. Call local gen_bypass
14413 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14414 Remove special case for insn_alts.
14415 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14416 varray.h (leftover from previous change). Prune set of forward
14417 function declarations. Remove state_alts fields from all
14418 structures. Remove state_alts_table from struct automaton.
14419 Make everything except main static. Do not maintain num_dfa_decls.
14420 Do not maintain state_alts fields of various structures.
14421 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14422 (add_arc): Remove state_alts argument. All callers updated.
14423 (output_reserved_units_table): Emit #ifdef here...
14424 (output_tables): ...not here. Don't generate state_alts tables.
14425 (expand_automata): Don't generate attributes.
14426 (write_automata): Don't generate state_alts functions.
14427 (main): New function.
14428 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14429 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14430 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14431 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14432 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14433 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14434 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14435 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14437 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14438 * genattrtab.h: Delete file.
14439 * Makefile.in (OBJS-common): Add insn-automata.o.
14440 (insn-automata.o): New rule.
14441 (simple_generated_c): Add insn-automata.c.
14442 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14443 (genprogmd): Add automata.
14444 (build/genattrtab): Needs no extra objects nor libraries.
14445 (build/genautomata): Needs build/vec.o and -lm.
14447 2006-01-22 Zack Weinberg <zackw@panix.com>
14449 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14450 (output_dfa_max_issue_rate, locked_states_num): Delete.
14451 (struct automaton): Add locked_states field.
14452 (output_dead_lock_vect): Save number of locked states in
14453 automaton->locked_states. If it is zero, don't print anything.
14454 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14455 (output_internal_dead_lock_func): Only test the dead_lock_vect
14456 for automata that have locked states.
14457 (output_statistics): Always print the number of locked states for
14458 each automaton. Calculate total number of locked states here.
14459 (write_automata): Don't call output_dfa_max_issue_rate.
14460 * genattrtab.c: Define length_unit_log as a const variable.
14461 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14462 max_insn_queue_index const.
14463 * final.c (length_unit_log): Declare const.
14464 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14466 2006-01-22 Zack Weinberg <zackw@panix.com>
14468 * genautomata.c: Include vec.h, not varray.h.
14469 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14470 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14471 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14472 VEC_* macros operating on appropriately typed vectors, or to
14473 malloced arrays when the size is known in advance. Const-ify
14474 many char* variables and function arguments. No functional changes.
14475 * Makefile.in (build/varray.o): Delete rule.
14476 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14477 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14479 2006-01-22 Zack Weinberg <zackw@panix.com>
14481 * gensupport.c: Define get_insn_name and record_insn_name here.
14482 (read_md_rtx): Call record_insn_name as appropriate.
14483 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14484 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14485 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14487 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14488 (BUILD_VARRAY): Delete.
14489 (genprognormal): Rename genprogmd. Fold in all programs from
14490 genprognoprint; also attrtab.
14491 (build/genattrtab): Just mention genautomata.o and varray.o.
14492 Reorganize a bit, add comments to make the categories clearer.
14494 2006-01-22 Zack Weinberg <zackw@panix.com>
14496 * genconditions.c (condition_table, add_condition): Delete.
14497 (write_conditions): Don't emit n_insn_conditions nor
14498 insn_elision_unavailable. Issue the gcc version #ifdef here,
14499 inside the table, with no #else clause ...
14500 (write_header): ...not here.
14501 (write_writer): New function.
14502 (main): Don't initialize condition_table. Use add_c_test.
14504 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14505 files on the command line.
14506 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14507 Return -1 if there is no entry in the table, don't abort.
14508 (add_c_test, traverse_c_tests): New functions.
14509 * gensupport.h (insn_elision_unavailable, insn_conditions)
14510 (n_insn_conditions): Delete declarations.
14511 (add_c_test, traverse_c_tests): Declare.
14512 * read-rtl.c: Include gensupport.h.
14513 (read_conditions): New function.
14514 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14515 (read_rtx_1): If we get EOF when we were looking for an initial
14516 open paren, return 0. Call read_conditions when appropriate.
14517 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14518 dummy-conditions.o. Eliminate references to insn-conditions.o,
14519 or change them to build/gencondmd.o, as appropriate. Remove
14520 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14521 from $(simple_generated_c). For all files remaining in those
14522 two lists, add insn-conditions.md to the generator command line.
14523 Give insn-constants.h/s-constants their own rules. Add rules
14524 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14525 (build/read-rtl.o): Depend on gensupport.h.
14526 (genprognormal): Include preds.
14527 (genprogearly): Rename genprognoprint; only difference is now that
14528 they don't link with $(BUILD_PRINT).
14529 * dummy-conditions.c: Delete.
14531 2006-01-22 Zack Weinberg <zackw@panix.com>
14533 * genextract.c: Don't include insn-config.h. Do include vec.h.
14534 Declare vectors of int, char, and locstr.
14535 (locstr): New typedef.
14536 (struct extraction): Make all array fields into bare pointers.
14537 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14538 (insn_code_number): Delete.
14539 (accum_extract): New struct.
14540 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14541 (gen_insn): Take insn_code_number as an argument. Use an
14542 accum_extract structure instead of loading data directly into
14543 a struct extraction, and having to know how big it might get.
14544 (walk_rtx): Operate entirely on an accum_extract structure.
14545 (print_path): Avoid unnecessary use of printf.
14546 (print_header): New function, split out of main. Distinguish
14547 more carefully between an unrecognizable insn and an insn that
14548 has the code number of a define_expand.
14549 (main): Pass insn_code_number to gen_insn. Call print_header
14550 only after parsing. Avoid unnecessary use of printf.
14551 * Makefile.in (build/vec.o): New rule.
14552 (build/genextract): Depend on build/vec.o.
14553 (build/genextract.o): Don't depend on insn-config.h.
14555 2006-01-22 Zack Weinberg <zackw@panix.com>
14557 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14558 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14559 practical. Eliminate per-generator-program link rules.
14561 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14563 PR middle-end/24437
14564 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14565 with a call expr to ...
14566 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14568 2006-01-23 Richard Guenther <rguenther@suse.de>
14570 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14571 before make_edge with conditional EDGE_TRUE_VALUE.
14573 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14574 Jan Hubicka <jh@suse.cz>
14575 Richard Guenther <rguenther@suse.de>
14577 PR rtl-optimization/25654
14578 * cfgexpand.c (aggregate_contains_union_type): New function.
14579 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14580 for structure variables that contain a union type.
14582 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14584 * gengtype.c (new_structure): Return the structure.
14585 (create_option): Add an extra "next" argument.
14586 (create_field): New function.
14587 (adjust_field_rtx_def): Use create_option and create_field.
14588 Remove a now-unnecessary call to find_structure.
14589 (adjust_field_tree_def): Likewise.
14590 (note_yacc_type): Remove an unnecessary call to find_structure.
14591 * gengtype.h (new_structure): Return the structure.
14592 (create_option): Add an extra argument.
14593 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14594 (option): Adjust calls to create_option.
14596 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14598 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14600 2006-01-22 Paul Brook <paul@codesourcery.com>
14601 Peter Barada <peter@the-baradas.com>
14603 * config/m68k/m68k.md: Add Coldfire FPU support.
14604 Define FP mode macro and associated attributes.
14605 Use it for float mode patterns.
14606 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14607 (LIBCALL_VALUE): Use m68k_libcall_value.
14608 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14609 (m68k_function_value): Ditto.
14610 (emit_move_sequence): Ditto.
14611 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14612 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14613 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14614 (MULTILIB_EXCEPTIONS): Ditto.
14615 * config/m68k/m68k.opt: Add mcfv4e.
14616 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14617 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14618 (m68k_output_function_prologue): Save ColdFire FPU registers.
14619 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14620 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14621 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14622 ColdFire FPU registers.
14623 (m68k_libcall_value, m68k_function_value): New functions.
14624 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14625 (LIBCALL_VALUE): Use m68k_libcall_value.
14626 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14627 (MASK_COLDFIRE): Add MASK_CFV4E.
14628 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14629 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14630 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14631 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14632 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14633 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14634 * doc/invoke.tex: Document -mcfv4e on m68k.
14636 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14638 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14641 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14644 * c-opts.c (c_common_handle_option): Don't include
14645 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14646 * doc/invoke.texi (C++ Dialect Options): Document that
14647 -Wnon-virtual-dtor is no longer included in -Wall.
14649 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14651 * gcov.c (print_version), gcov-dump.c (print_version),
14652 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14655 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14657 * df-scan.c (problem_SCAN): Added NULL reset function.
14658 (df_scan_reset_blocks): Added code to call reset block function
14659 (df_bb_refs_delete) Fixed comment.
14660 (df_insn_refs_delete): Made tolerant of deleting non existent info
14661 for dataflow problems that need to be reset.
14662 * df-core.c (df_set_blocks): Ditto.
14663 * df.h (struct df_problem): Added reset_fun.
14664 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14665 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14666 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14667 functions to clear out all references to def-use or use-def chains.
14669 2006-01-21 Ben Elliston <bje@au.ibm.com>
14671 * varasm.c (assemble_real): Initialise data array.
14673 2006-01-20 Paul Brook <paul@codesourcery.com>
14675 Merge from csl-arm-branch.
14676 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14677 * config/arm/arm.md (movdi): Force operands[1] to a register
14678 if we have a non-register source.
14679 (*arm_movdi, *movdf_soft_insn): Require that one of the
14680 operands be a register.
14681 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14682 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14684 2006-01-20 DJ Delorie <dj@redhat.com>
14686 * varasm.c (initializer_constant_valid_p): Allow pointers
14687 initialized from integer constants of lesser precision.
14688 (output_constant): Allow non-int-sized pointer modes to be
14689 initialized from integer constants.
14691 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14694 * cppdefault.h (struct default_include): Add multilib flag.
14695 * cppdefault.c (cpp_include_defaults): Set it.
14696 * c.opt (-imultilib): New option.
14697 * c-opts.c (imultilib): New.
14698 (c_common_handle_option): Handle -imultilib.
14699 (c_common_post_options): Likewise.
14700 * c-incpath.c (add_standard_paths, register_include_chains):
14702 * c-incpath.h (register_include_chains): Add extra parameter.
14703 * gcc.c (do_spec_1): Generate -imultilib option.
14704 (The Specs Language): Update %I description.
14705 (process_command): Update copyright notice.
14706 * doc/cppopts.texi (-imultilib): Document.
14707 * doc/invoke.texi (-imultilib): Include in option summary.
14708 (%I): Update specs documentation.
14710 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14712 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14714 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14716 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14719 2006-01-20 Richard Guenther <rguenther@suse.de>
14720 Steven Bosscher <stevenb.gcc@gmail.com>
14722 PR rtl-optimization/24626
14723 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14724 EDGE_TRUE_VALUE if in RTL mode.
14727 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14728 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14730 2006-01-20 Dirk Mueller <dmueller@suse.com>
14733 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14734 instead of a special NOP marker.
14735 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14736 NOP marker handling.
14737 * c-common.h (empty_body_warning): Add forward declaration.
14738 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14739 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14741 2006-01-20 Paul Brook <paul@codesourcery.com>
14743 * Makefile.in (lang_checks): Keep going if mkdir fails.
14745 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14747 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14748 be able to clean out basic block when not necessary.
14749 (df_scan_free): Fixed to properly delete information if df is
14750 unused before calling df_finish.
14751 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14752 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14754 (df_bb_refs_delete): New function.
14755 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14756 * df-core.c (df_set_blocks): Added code to properly clean out
14757 unused blocks if they are not part of the blocks to consider.
14758 Added additional null check.
14759 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14760 be able to clean out basic block when not necessary
14761 * df.h (df_free_bb_function): Ditto.
14762 (df_bb_refs_delete): New function.
14763 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14764 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14765 basic block parameter to be able to clean out basic block when not
14767 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14768 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14769 Fixed to properly delete information if df is unused before
14772 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14774 PR rtl-optimization/25799
14775 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14776 Corrected confluence operator to remove bits from op2 before oring
14777 with op1 rather than removing bits from op1.
14778 (df_ru_transfer_function): Corrected test on wrong bitmap which
14779 caused infinite loop. Both of these problems were introduced in
14780 the dataflow rewrite.
14782 2006-01-19 DJ Delorie <dj@redhat.com>
14784 * reload1.c (find_reload_regs): Note the details of reload
14785 failures in the dump file.
14786 (spill_failure): Likewise.
14788 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14790 * loop-iv.c: Include df.h and hashtab.h.
14791 (enum iv_grd_result): New enum.
14792 (DF_REF_IV, DF_REF_IV_SET): New macros.
14793 (struct biv_entry): New.
14794 (df, bivs): New global variables.
14795 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
14796 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
14798 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
14799 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
14800 analyzed_for_bivness_p, record_biv): New functions.
14801 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14802 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14803 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14805 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14807 (iv_number_of_iterations): Use new interface to iv analysis.
14808 * loop-unroll.c: Do not include varray.h.
14809 (analyze_iv_to_split_insn): Use new interface to iv
14811 * loop-unswitch.c (may_unswitch_on): Ditto.
14812 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14814 (df_bb_modify): Realloc tables to the new index.
14815 (df_find_use): New function.
14816 * df.h (df_find_use): Declare.
14817 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14819 * cfgloop.h (struct rtx_iv): Remove analysed field.
14820 (iv_get_reaching_def): Removed.
14821 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14822 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14823 (loop-iv.o): Add df.h and hashtab.h dependency.
14824 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14826 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14829 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14831 (__floatundisf, __floatundidf): Likewise.
14832 * libgcc2.h (IS_IBM_EXTENDED): Define.
14834 2006-01-19 DJ Delorie <dj@redhat.com>
14836 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14838 2006-01-19 Paul Brook <paul@codesourcery.com>
14840 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14841 as nothrow when unwinding tables are disabled.
14843 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14846 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14847 of bit-field" when in system header.
14849 2006-01-19 DJ Delorie <dj@redhat.com>
14851 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14852 the 16 bit shift limit of the m16c.
14854 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14857 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14858 * config/i386/i386.c (output_set_got): Output the label if we have one
14859 for the TARGET_DEEP_BRANCH_PREDICTION case.
14861 2006-01-19 Jan Hubicka <jh@suse.cz>
14862 H.J. Lu <hongjiu.lu@intel.com>
14863 Evandro Menezes <evandro.menezes@amd.com>
14865 * invoke.texi (generic): Document
14867 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
14868 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
14869 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
14870 (x86_use_incdec, x86_pad_returns): New variables
14871 (TARGET_CPU_DEFAULT_generic): New constant
14872 (TARGET_CPU_DEFAULT_NAMES): Add generic.
14873 (enum processor_type): Add generic32 and generic64.
14874 * i386.md (cpu attribute): Add generic32/generic64
14875 (movhi splitter): Behave sanely when both partial_reg_dependency and
14876 partial_reg_stall are set.
14877 (K8 splitters): Enable for generic as well.
14878 * predicates.md (incdec_operand): Use TARGET_INCDEC
14879 (aligned_operand): Avoid memory mismatch stalls.
14880 * athlon.md: Enable for generic64, new patterns for 128bit moves.
14881 * ppro.md: Enable for generic32
14882 * i386.c (generic64_cost, generic32_cost): New.
14883 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
14884 (x86_use_leave): Enable for generic64. (x86_use_sahf,
14885 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
14886 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
14887 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
14888 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
14889 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14890 x86_accumulate_outgoing_args, x86_prologue_using_move,
14891 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
14892 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
14893 Enable for generic.
14894 (x86_use_incdec, x86_pad_returns): New.
14895 (override_options): Add generic32 and generic64, translate "generic"
14896 to generic32/generic64 and "i686" to "generic32", refuse
14897 "generic32"/"generic64" as arch target.
14898 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
14899 (ix86_reorg): Honor PAD_RETURNS.
14901 2006-01-19 Diego Novillo <dnovillo@redhat.com>
14903 * tree-pretty-print.c (dump_generic_node): Handle
14904 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
14905 * cgraph.c (cgraph_expand_queue): Rename from
14906 cgraph_analyze_queue. Update all users.
14907 * cgraphunit.c (cgraph_assemble_pending_functions): Process
14908 cgraph_expand_queue.
14909 (cgraph_expand_all_functions): Likewise.
14910 (cgraph_finalize_pending_functions): Remove. Update callers.
14912 * tree.h (OMP_DIRECTIVE_P): Define.
14913 (OMP_PARALLEL_FN): Define.
14914 (OMP_PARALLEL_DATA_ARG): Define.
14915 (OMP_SECTIONS_SECTIONS): Define.
14916 * tree-pass.h (pass_expand_omp): Declare.
14917 * omp-low.c (struct omp_region): Declare.
14918 (struct omp_context): Remove fields 'parallel_type',
14919 'parallel_start_ix' and 'parallel_start_additional_args'.
14921 (struct omp_for_data): Rename from struct expand_omp_for_data.
14922 (omp_regions): New static variable.
14923 (root_omp_region): New static variable.
14924 (find_omp_clause): Make static.
14925 (is_in_combined_parallel_ctx): Remove.
14926 (is_combined_parallel): New.
14927 (extract_omp_for_data): Move earlier in the file.
14928 (workshare_safe_to_combine_p): New.
14929 (get_ws_args_for): New.
14930 (determine_parallel_type): Move earlier in the file.
14931 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
14933 (omp_copy_decl): Likewise.
14934 (create_omp_child_function): Likewise.
14935 (lookup_omp_region): New.
14936 (dump_omp_region): New.
14937 (debug_omp_region): New.
14938 (debug_all_omp_regions): New.
14939 (new_omp_region): New.
14940 (scan_omp_parallel): If parallel_nesting_level > 1, the
14941 directive is nested within another parallel directive.
14942 Set OMP_PARALLEL_FN.
14943 (scan_omp_for): Do not try to handle combined parallel+for
14945 Remove FIXME comment.
14946 (scan_omp_nested): Remove.
14947 (scan_omp_1): Do not call scan_omp_nested when
14948 parallel_nesting_level is > 1.
14949 Do not change the DECL_CONTEXT of local variables found.
14950 (lookup_decl_in_outer_ctx): New.
14951 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
14952 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
14953 (lower_reduction_clauses): Rename from expand_reduction_clauses.
14954 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
14955 If CTX is nested, lookup VAR in the outer context when
14956 building copy assignment.
14957 (lower_send_clauses): Rename from expand_send_clauses.
14958 If CTX is nested, lookup VAR in the outer context when
14959 building copy assignments.
14960 (lower_send_shared_vars): Rename from expand_send_shared_vars.
14961 If CTX is nested, lookup VAR in the outer context when
14962 building copy assignments.
14963 (expand_parallel_call): Rename from build_parallel_call.
14964 Handle combined parallel+workshare cases.
14965 Re-implement to emit code into the CFG.
14967 (expand_omp_parallel): Re-implement to emit code into the CFG.
14968 Call move_sese_region_to_fn to outline the sub-graph
14969 containing the parallel region.
14970 (expand_omp_for_1): Remove.
14971 (expand_omp_for_generic): Re-implement to emit code into the
14973 (expand_omp_for_static_nochunk): Likewise.
14974 (expand_omp_for_static_chunk): Likewise.
14975 (expand_omp_for): Likewise.
14976 (expand_omp_sections): Likewise.
14977 (remove_exit_barriers): New.
14978 (expand_omp_synch): New.
14980 (build_omp_regions_1): New.
14981 (build_omp_regions): New.
14982 (execute_expand_omp): New.
14983 (gate_expand_omp): New.
14984 (pass_expand_omp): Define.
14985 (lower_omp_sections): Rename from expand_omp_sections.
14986 Set OMP_SECTIONS_SECTIONS.
14987 (lower_omp_single_simple): Rename from expand_omp_single_simple.
14988 (lower_omp_single_copy): Rename from expand_omp_single_copy.
14989 (lower_omp_single): Rename from expand_omp_simple.
14990 (lower_omp_master): Rename from expand_omp_master.
14991 (lower_omp_ordered): Rename from expand_omp_ordered.
14992 (lower_omp_critical): Rename from expand_omp_critical.
14993 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
14994 (lower_omp_for): Re-implement.
14995 (lower_omp_parallel): Re-implement.
14996 (lower_regimplify): Rename from expand_regimplify.
14997 (lower_omp_1): Rename from expand_omp_1.
14998 If there are syntax errors in the program, replace every
14999 OpenMP directive with NOP.
15000 Call lower_omp_* instead of expand_omp_*.
15001 (lower_omp): Rename from expand_omp.
15003 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15004 * tree-gimple.h (enum omp_parallel_type): Remove.
15005 (gimple_boolify): Declare extern.
15006 (find_omp_clause, determine_parallel_type): Remove.
15008 * gimple-low.c (lower_omp_directive): New.
15009 (lower_stmt): Call it.
15010 (record_vars_into): Move from ...
15011 (record_vars): ... here.
15012 Call record_vars_into with current_function_decl.
15014 * gimplify.c (struct gimplify_ctx): Remove fields
15015 combined_pre_p and combined_ctxp. Update users.
15016 (get_formal_tmp_var): Add documentation.
15017 (gimple_boolify): Make extern.
15018 (gimplify_expr_in_ctx): Remove. Update callers.
15019 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15020 will always be a BIND_EXPR.
15021 (gimplify_expr): Handle OMP_RETURN_EXPR.
15022 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15023 (OMP_PARALLEL): Add 3 operands.
15024 (OMP_SECTIONS): Add 1 operand.
15025 (OMP_RETURN_EXPR): Define.
15027 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15028 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15029 * tree-iterator.c (alloc_stmt_list): Assert that we are not
15030 creating a circular free list.
15031 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15033 * tree-flow.h (move_sese_region_to_fn): Declare.
15034 (record_vars_into): Declare.
15035 * tree-cfg.c (make_omp_sections_edges): New.
15036 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15037 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15038 OMP_SECTIONS and OMP_SECTION.
15039 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15040 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15041 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15042 (gather_blocks_in_sese_region): New.
15043 (struct move_stmt_d): Declare.
15044 (move_stmt_r): New.
15045 (move_block_to_fn): New.
15046 (move_sese_region_to_fn): New.
15048 * passes.c (init_optimization_passes): Schedule
15049 pass_expand_omp after pass_init_datastructures.
15051 * tree-ssa-operands.c (get_expr_operands): Handle
15052 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15053 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15055 2006-01-19 Jeff Law <law@redhat.com>
15057 * tree-vrp.c (extract_range_from_assert): Refine the result range
15058 if the variable referenced by the ASSERT_EXPR has a range and
15059 either the tentative result range or the previous range is a
15062 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15064 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15066 2006-01-19 Jan Hubicka <jh@suse.cz>
15068 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15070 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
15072 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15073 (expand_compound_operation, expand_field_assignment): Fail if the
15074 bit lengths of an extract operation are out of range.
15075 (make_extraction): Compute wanted_inner_mode based on the position
15076 and length of the extraction. Make it extraction_mode for non-constant
15077 positions, and do not modify offset in that case. When generating a
15078 new MEM, use a mode that can hold the extraction while keeping correct
15079 alignment. Remove code that supported MEMs wrapped by USEs.
15080 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15082 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
15084 * config/s390/s390.md ("Y", "y"): New mode attribute.
15085 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15086 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15087 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15088 "*addsi3_imm_cc", "*addsi3_carry1_cc",
15089 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15090 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15091 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15092 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15093 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15094 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15095 "addsi3", "subsi3"): Insn patterns removed.
15096 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15097 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15098 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15099 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15100 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15101 "*sub<mode>3_cconly2"): New insn patterns.
15102 ("addsi3", "subsi3"): New expanders.
15104 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15106 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15107 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15108 existing STMT_VINFO_VECTYPE if available.
15109 (vect_mark_relevant): Add special handling for stmts that are
15110 marked as STMT_VINFO_IN_PATTERN_P.
15111 (vect_analyze_loop): Call vect_pattern_recog.
15112 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15113 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15115 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15116 (vect_recog_func_ptr): New function-pointer type.
15117 * tree-vect-patterns.c: New file.
15118 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15119 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15120 (vect_pattern_recog_1): New functions.
15121 (vect_pattern_recog_funcs): New array of function pointers.
15123 * tree-vectorizer.h (ternary_op): New enum value.
15124 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15125 declaration. Revised documentation. Removed redundant dump prints.
15126 Removed redundant argument. Added support for reduction patterns.
15127 (vectorizable_reduction): Added support for reduction patterns.
15128 (vect_transform_stmt): Added support for patterns.
15130 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15131 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15132 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15133 (expand_widen_pattern_expr): New function.
15134 (init_optabs): Initialize new optabs udot_prod_optab,
15136 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15137 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15138 (expand_widen_pattern_expr): New function declaration.
15139 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15141 * tree-inline.c (estimate_num_insns_1): Added cases for new
15142 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15143 * tree-pretty-print.c (dump_generic_node): Likewise.
15144 (op_prio): Likewise.
15145 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15146 * tree-ssa-operands.c (get_expr_operands): Added case for
15148 * tree-vect-patterns.c (widened_name_p): New function.
15149 (vect_recog_dot_prod_pattern): Added function implementation.
15150 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15151 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15152 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15153 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15155 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15156 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15157 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15158 (init_optabs): Initialize new optabs widen_ssum_optab,
15160 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15161 (widen_ssum_optab, widen_usum_optab): Define new optabs.
15162 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15163 use instead of type of def.
15164 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15165 function implementation.
15166 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15167 widen_ssumv8hi): New.
15169 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15172 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15175 * c-decl.c (add_flexible_array_elts_to_size): New function.
15176 (finish_decl): Use it.
15178 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
15180 * diagnostic.h: Include options.h.
15181 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15182 dependancies for diagnostic.h.
15183 * Makefile.in (DIAGNOSTIC_H): Add options.h.
15185 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
15187 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15188 (ssa_ro_call_cache_valid): Ditto.
15189 * tree-ssa-alias.c (sort_tags_by_id): New function.
15190 (init_transitive_clobber_worklist): Ditto.
15191 (add_to_worklist): Ditto.
15192 (mark_aliases_call_clobbered): Ditto.
15193 (compute_tag_properties): Ditto.
15194 (set_initial_properties): Ditto.
15195 (compute_call_clobbered): Ditto.
15196 (compute_may_aliases): Call compute_call_clobbered and grouping.
15197 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15198 (compute_flow_insensitive_aliasing): Grouping now happens in our
15200 (setup_pointers_and_addressables): Remove clobbering related code.
15201 (add_may_alias): Ditto.
15202 (replace_may_alias): Ditto.
15203 (get_nmt_for): Ditto.
15204 (create_global_var):
15205 (is_escape_site): Return an escape_type enumeration.
15206 * tree-flow-inline.h (is_call_clobbered): Global var does not
15207 imply call clobbered.
15208 (mark_call_clobbered): Take a reason for marking this. Remove
15209 marking of globalness, and cache invalidation.
15210 (clear_call_clobbered): Remove cache invalidation code.
15211 * tree-dfa.c (dump_variable): If details is on, dump the reason
15213 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15215 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15216 (struct var_ann_d): Ditto.
15217 (enum escape_type): New.
15218 (mark_call_clobbered): Adjust prototype.
15219 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15220 are never call clobbered.
15221 Record reasons for escaping.
15222 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15223 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15224 (ssa_ro_call_cache_valid): Ditto.
15225 (clobbered_v_may_defs): Ditto.
15226 (clobbered_vuses): Ditto.
15227 (ro_call_vuses): Ditto.
15228 (clobber_stats): New.
15229 (init_ssa_operands): Zero out clobber stats.
15230 (fini_ssa_operands): Print out clobber stats.
15231 (get_call_expr_operands): Pass callee fndecl to
15232 add_call_read_ops).
15233 (add_call_clobber_ops): Remove use of cache.
15234 Add use of PURE_CONST information.
15235 (add_call_read_ops): Remove use of cache.
15236 Add use of static not_read information.
15238 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15240 Introduce TLS descriptors for i386 and x86_64.
15241 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15242 (TARGET_ANY_GNU_TLS): New macro.
15243 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15244 (struct machine_function): Add tls_descriptor_call_expanded_p.
15245 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15246 (ix86_current_function_calls_tls_descriptor): Likewise.
15247 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15248 (override_options): Introduce gnu2 tls dialect.
15249 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15251 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15253 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15254 (ix86_init_machine_status): Initialize new field.
15255 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15256 (ix86_tls_module_base): New.
15257 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15258 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15259 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15260 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15261 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15262 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15263 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15264 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15265 * config/i386/predicates.md (tls_modbase_operand): New.
15266 (tp_or_register_operand): New.
15268 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15270 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15271 (look_for_address_of): Ditto.
15272 (ipa_init): Walk the function decls.
15273 (static_execute): Don't set readonly on FUNCTION_DECL's.
15275 2006-01-18 Roger Sayle <roger@eyesopen.com>
15277 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15278 for shifts where the source and destination registers are different.
15280 2006-01-18 Paul Brook <paul@codesourcery.com>
15282 Merge from csl-arm-branch.
15283 2005-03-14 Julian Brown <julian@codesourcery.com>
15284 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15285 (aeabi_llsl): Likewise.
15286 (ashrdi3): Likewise.
15287 (aeabi_lasr): Likewise.
15288 (lshrdi3): Likewise.
15289 (aeabi_llsr): Likewise.
15290 2005-03-10 Julian Brown <julian@codesourcery.com>
15291 * config.gcc: Disable shared libgcc for SymbianOS.
15292 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15294 2006-01-18 DJ Delorie <dj@redhat.com>
15296 * c-pragma.c (handle_pragma_diagnostic): New.
15297 (init_pragma): Register it.
15298 * doc/extend.texi: Document it.
15300 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15301 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15302 (diagnostic_context): Add classify_diagnostic[].
15303 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15304 as errors if they're overridden to DK_WARNING.
15305 (diagnostic_initialize): Initialize classify_diagnostic[].
15306 (diagnostic_set_kind_override): New.
15307 (diagnostic_report_diagnostic): Check for kind changes.
15308 * opts.c (common_handle_option): Take lang_mask. Update callers.
15309 Handle OPT_Werror_.
15310 * common.opt (Werror=): New.
15311 * doc/invoke.texi: Document -Werror=*
15313 2006-01-18 Jeff Law <law@redhat.com>
15315 * tree-vrp.c (test_for_singularity): Correct test for new
15316 min limit. Use operand_equal_p rather than pointer equality
15317 for testing if new min/max values are equal.
15319 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15320 using range information until after propagation and folding.
15322 2006-01-18 Richard Henderson <rth@redhat.com>
15323 Aldy Hernandez <aldyh@redhat.com>
15324 Jakub Jelinek <jakub@redhat.com>
15325 Diego Novillo <dnovillo@redhat.com>
15327 * omp-low.c: New file.
15328 * c-omp.c: New file.
15330 2006-01-18 Richard Henderson <rth@redhat.com>
15331 Jakub Jelinek <jakub@redhat.com>
15332 Diego Novillo <dnovillo@redhat.com>
15334 * doc/invoke.texi: Document -fopenmp.
15335 * tree-dump.h (debug_function): Declare.
15336 * hooks.c (hook_bool_tree_bool_false): New function.
15337 (hook_tree_tree_null): Remove.
15338 (hook_tree_tree_tree_null): New.
15339 * hooks.h: Update to match.
15340 * tree-pretty-print.c (debug_tree_chain): New.
15341 (print_generic_expr): Handle TDF_CHAIN.
15342 (dump_generic_node): Handle BLOCK.
15343 Do not abort with incomplete SWITCH_EXPRs.
15344 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15345 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15346 print space after directive name.
15347 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15348 Handle OMP_MASTER and OMP_ORDERED.
15349 Handle printing of OMP_BODY just in one place, goto
15350 dump_omp_body in the rest of OMP_* nodes that have
15352 Don't handle clause nodes here. Update omp statements to
15353 use dump_omp_clauses.
15354 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15355 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15356 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15357 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15358 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15359 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15360 Adjust output for GOMP_PARALLEL.
15361 (dump_omp_clauses): New.
15362 (print_declaration): Dump DECL_VALUE_EXPR.
15363 (op_symbol_1): Split out of op_symbol.
15364 (dumping_stmts): Remove. Update all users.
15365 * cgraph.c (cgraph_analyze_queue): New.
15366 (cgraph_add_new_function): New.
15367 * cgraph.h (cgraph_analyze_queue): Declare.
15368 (cgraph_add_new_function): Declare.
15369 (cgraph_lower_function): Remove.
15370 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15371 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15372 and TYPE_P nodes in its default clause.
15373 (empty_body_p): New.
15374 (tree_range_check_failed): New.
15375 (build5_stat): New.
15376 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15377 OMP_CLAUSE_REDUCTION_MERGE,
15378 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15379 OMP_CLAUSE_PRIVATE_DEBUG,
15380 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15381 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15382 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15383 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15384 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15385 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15386 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15387 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15388 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15389 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15390 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15391 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15392 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15393 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15394 (TREE_RANGE_CHECK): New.
15395 (empty_body_p): Declare.
15396 (enum omp_clause_default_kind): New.
15397 (build_string_literal): Declare.
15398 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15399 (build5_stat, build5): Declare.
15400 * tree-pass.h (TDF_CHAIN): Define.
15401 * tree-pass.h (PROP_gimple_lomp): Define.
15402 (pass_lower_omp): Declare.
15403 * diagnostic.h (debug_tree_chain): Declare.
15404 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15406 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15407 * builtins.c (build_string_literal): Make extern.
15408 * gcc.c (include_spec_function): New.
15409 (static_spec_functions): Add it.
15410 (main): Move load of libgomp.spec ...
15411 (LINK_COMMAND_SPEC): ... here.
15412 (link_gomp_spec): New.
15413 (static_specs): Include it.
15414 (LINK_COMMAND_SPEC): Add link_gomp.
15415 (GOMP_SELF_SPECS): New.
15416 (driver_self_specs): Include it.
15417 (switch_matches): Don't mark inline.
15418 (main): Load libgomp.spec.
15419 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15420 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15421 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15422 * tree-gimple.h (enum omp_parallel): Declare.
15423 (determine_parallel_type): Declare.
15424 (omp_firstprivatize_variable): Declare.
15425 (omp_reduction_init): Declare.
15426 (diagnose_omp_structured_block_errors): Declare.
15427 (struct walk_stmt_info): Add want_return_expr.
15428 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15429 (find_omp_clause): Declare.
15430 (insert_field_into_struct): Declare.
15431 (struct walk_stmt_info): Move from tree-nested.c
15432 (walk_stmts): Declare.
15433 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15435 * cgraphunit.c (cgraph_lower_function): Make static.
15436 (cgraph_finalize_pending_functions): New.
15437 (cgraph_finalize_function): Call it.
15438 (cgraph_finalize_compilation_unit): Likewise.
15439 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15440 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15441 (BT_FN_UINT_UINT): New.
15442 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15443 DEF_FUNCTION_TYPE_VAR_4): Document.
15444 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15445 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15446 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15447 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15448 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15449 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15450 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15451 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15452 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15453 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15454 into separate files.
15455 (DEF_GOMP_BUILTIN): New.
15456 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15457 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15458 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15459 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15460 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15461 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15462 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15463 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15464 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15465 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15466 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15467 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15468 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15469 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15470 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15471 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15472 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15473 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15474 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15475 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15476 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15477 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15478 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15479 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15480 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15481 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15482 * sync-builtins.def: New file, moved from builtins.def.
15483 * omp-builtins.def: New file, moved from builtins.def.
15484 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15485 * gimple-low.c (lower_function_body): Clear data.
15486 (lower_stmt): Do not handle COMPOUND_EXPR.
15487 Remove call to print_node_brief.
15488 * c-tree.h (c_finish_omp_clauses): New prototype.
15489 (C_DECL_THREADPRIVATE_P): Define.
15490 (lookup_name_no_remap, c_omp_remap_private): Remove
15491 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15492 (check_for_loop_decls): Update decl.
15493 (lookup_name_no_remap, c_omp_remap_private): Declare.
15494 (build_indirect_ref, build_modify_expr, pushdecl,
15495 pushdecl_top_level): Move to c-common.h.
15496 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15497 before the switch, but just in the 2 places that need it.
15498 * c-decl.c (diagnose_mismatched_decls): Do not check for
15499 mismatched thread-local attributes when OLDDECL is marked
15500 threadprivate and NEWDECL has no thread-local attributes.
15501 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15502 (c_gimple_diagnostics_recursively): Rename from
15503 c_warn_unused_result_recursively. Invoke
15504 diagnose_omp_structured_block_errors.
15505 (check_for_loop_decls): Return a singular decl found.
15506 * langhooks.c (lhd_omp_predetermined_sharing): Return
15507 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15508 (lhd_omp_firstprivatize_type_sizes): New.
15509 (lhd_omp_assignment): New.
15510 (lhd_omp_predetermined_sharing): New.
15511 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15512 (struct lang_hooks_for_types): Add
15513 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15514 omp_predetermined_sharing, omp_disregard_value_expr,
15515 omp_private_debug_clause, omp_clause_default_ctor,
15516 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15517 (c_finish_omp_clauses): New.
15518 (c_finish_bc_stmt): Diagnose break within omp for.
15519 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15520 (build_unary_op): Return error_mark after reporting
15522 (build_modify_expr): Likewise.
15523 * gimplify.c: Include optabs.h and pointer-set.h.
15524 (enum gimplify_omp_var_data): Declare.
15525 (struct gimplify_omp_ctx): Declare.
15526 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15528 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15529 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15530 (splay_tree_compare_decl_uid): New.
15531 (new_omp_context): New.
15532 (delete_omp_context): New.
15533 (gimple_add_tmp_var): Call omp_add_variable.
15534 (gimplify_bind_expr): Likewise.
15535 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15536 true, disregard DECL_VALUE_EXPR on the decl if any.
15537 (gimplify_expr_in_ctx): New.
15538 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15539 omp_add_variable, omp_notice_variable, omp_is_private
15540 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15541 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15542 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15543 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15544 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15545 gimplify_omp_atomic): New.
15546 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15547 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15548 OMP_CRITICAL and OMP_ATOMIC.
15549 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15550 * c-pragma.h (enum pragma_kind): Add
15551 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15552 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15553 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15554 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15555 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15556 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15557 PRAGMA_OMP_THREADPRIVATE.
15558 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15559 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15560 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15561 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15562 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15563 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15564 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15565 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15566 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15567 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15568 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15569 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15570 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15572 (struct nesting_info): Add field_map,
15573 suppress_expansion, debug_var_chain.
15574 (create_nesting_tree): Initialize them.
15575 (lookup_field_for_decl): Use field_map.
15576 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15577 (convert_local_omp_clauses): New.
15578 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15579 (walk_body): Split out of walk_function.
15580 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15581 (convert_nonlocal_reference): Handle omp statements.
15582 (convert_local_reference): Likewise.
15583 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15584 (unnest_nesting_tree): New.
15585 (lower_nested_functions): Call it.
15586 (insert_field_into_struct): Make extern.
15587 (struct walk_stmt_info): Move to tree-gimple.h.
15588 (walk_stmts): Make extern.
15589 * omp-builtins.def: New file.
15590 * tree-iterator.c (expr_only): Clarify comment.
15591 * c-common.h (pushdecl_top_level, pushdecl,
15592 build_modify_expr, build_indirect_ref,
15593 c_finish_omp_master, c_finish_omp_critical,
15594 c_finish_omp_ordered, c_finish_omp_barrier,
15595 c_finish_omp_atomic, c_finish_omp_flush,
15596 c_finish_omp_for, c_split_parallel_clauses,
15597 omp_clause_default_kind, c_omp_sharing_predetermined,
15598 c_omp_remap_decl): Declare.
15599 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15600 (OBJS-common): Add omp-low.o.
15601 (c-omp.o, omp-low.o): Add.
15602 (gimplify.o): Add dependency on $(OPTABS_H).
15603 (GTFILES): Add omp-low.c.
15604 (gt-stringpool.h): Add.
15605 * tree-cfg.c (set_bb_for_stmt): Do not update the
15606 block-to-labels map if we are currently expanding to RTL.
15607 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15609 Handle IDENTIFIER_NODE.
15610 (tree_verify_flow_info): Do not ICE when emitting error
15611 messages about invalid labels.
15612 (dump_function_to_file): Reset CFUN before emitting the body
15614 (debug_function): New.
15615 * passes.c (init_optimization_passes): Schedule
15617 * langhooks-def.h (lhd_omp_predetermined_sharing,
15618 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15620 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15621 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15622 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15623 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15624 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15625 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15626 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15627 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15628 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15629 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15630 (LANG_HOOK_DECLS): Use them.
15632 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15633 Richard Henderson <rth@redhat.com>
15634 Jakub Jelinek <jakub@redhat.com>
15635 Diego Novillo <dnovillo@redhat.com>
15637 * c-parser.c (pragma_omp_clause): Define.
15638 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15639 (c_parser_compound_statement): Likewise.
15640 (c_parser_statement): Likewise.
15641 (c_parser_pragma): Handle omp pragmas.
15642 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15643 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15644 (c_parser_omp_clause_name, check_no_duplicate_clause,
15645 c_parser_omp_variable_list,
15646 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15647 c_parser_omp_clause_copyprivate,
15648 c_parser_omp_clause_default,
15649 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15650 c_parser_omp_clause_lastprivate,
15651 c_parser_omp_clause_nowait,
15652 c_parser_omp_clause_num_threads,
15653 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15654 c_parser_omp_clause_reduction,
15655 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15656 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15657 c_parser_omp_atomic, c_parser_omp_barrier,
15658 c_parser_omp_critical, c_parser_omp_flush,
15659 c_parser_omp_for_loop, c_parser_omp_for,
15660 c_parser_omp_master, c_parser_omp_ordered,
15661 c_parser_omp_sections_scope, c_parser_omp_sections,
15662 c_parser_omp_parallel, c_parser_omp_single,
15663 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15664 * c-pragma.c (init_pragma): Do omp pragma registration here.
15665 * c.opt (fopenmp): New flag.
15667 2006-01-18 Eric Christopher <echristo@apple.com>
15669 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15670 * config/darwin.h (GOMP_SELF_SPECS): Define.
15672 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15674 * rtl.h: Remove the prototype for reg_alloc.
15676 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15679 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15680 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15681 sjlj and dwarf2 exception handling.
15682 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15683 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15684 * pa/pa.c (function_value): Treat complex and vector types as
15686 (function_arg): Likewise. Only pass scalar floats in the floating
15687 point argument registers.
15688 * pa/t-slibgcc-dwarf-ver: New file.
15689 * pa/t-slibgcc-sjlj-ver: New file.
15690 * pa/t-slibgcc-elf-ver: Delete file.
15692 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15694 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15695 unlikely_test_section_p test.
15697 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15699 * mode-switching.c (optimize_mode_switching): Make it static.
15700 * basic-block.h: Remove the prototype for
15701 optimize_mode_switching.
15703 * modulo-sched.c (sms_schedule): Make it static.
15704 * rtl.h: Remove the prototype for sms_schedule.
15706 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15707 * rtl.h: Remove the prototype for gcse_after_reload_main.
15709 * reg-stack.c (reg_to_stack): Make it static.
15710 * rtl.h: Remove the prototype for reg_to_stack.
15712 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15714 * rtl.h: Remove the prototypes for regrename_optimize and
15715 copyprop_hardreg_forward.
15717 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15719 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15720 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15721 Test against the appropriate null constant for the mode.
15722 If 'fixup_overlap' is true, swap the operands if they overlap.
15723 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15724 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15725 alpha_split_tmode_pair and adjust for above change.
15726 * config/alpha/alpha.md (movtf_internal): Adjust call to
15727 alpha_split_tfmode_pair and rely on it to swap the operands.
15728 (movti_internal): New insn and post-reload splitter.
15729 (movti): New expander.
15731 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15733 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15736 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15738 * rtlanal.c (global_reg_mentioned_p_1,
15739 global_reg_mentioned_p): Remove.
15740 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15742 * flow.c (initialize_uninitialized_subregs): Make it static.
15743 * rtl.h: Remove the prototype for
15744 initialize_uninitialized_subregs.
15746 * function.c (instantiate_virtual_regs): Make it static.
15747 * function.h: Remove the prototype for
15748 instantiate_virtual_regs.
15750 * regmove.c (regmove_optimize, combine_stack_adjustments):
15752 * rtl.h: Remove the prototypes for regmove_optimize and
15753 combine_stack_adjustments.
15755 2006-01-17 Roger Sayle <roger@eyesopen.com>
15757 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15758 (size_cost): Encode costs in bytes so that a reg-reg addition is
15759 equivalent to COSTS_N_INSNS(1).
15760 (override_options): Use the size_cost.branch_cost as the default
15761 ix86_branch_cost when optimizing for size.
15763 2006-01-18 Ben Elliston <bje@au.ibm.com>
15765 * Makefile.in (D32PBIT_FUNCS): New.
15766 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15767 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15768 D64PBIT_FUNCS and D128PBIT_FUNCS.
15769 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15770 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15772 (decnumber_dep): Define.
15773 * doc/libgcc.texi (Decimal float library routines): New node.
15774 * config/dfp-bit.h, config/dfp-bit.c: New files.
15776 2006-01-18 Ben Elliston <bje@au.ibm.com>
15778 * expr.c (emit_move_change_mode): Always adjust addresses, not
15779 just during reload. Copy replacements only during reload.
15780 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
15781 emit_move_via_integer.
15783 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
15785 * Makefile.in (check-%, check-consistency): Use $${srcdir}
15786 instead of $(srcdir) and ${srcdir}.
15788 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
15791 PR middle-end/11135
15792 * arm.h (struct machine_function): Add pic_reg.
15793 * arm.c (arm_pic_register): Make unsigned.
15794 (arm_override_options): Only set arm_pic_register if
15795 TARGET_SINGLE_PIC_BASE.
15796 (use_return_insn): Only test for a pic register if it is fixed.
15797 (arm_compute_save_reg0_reg12_mask): Likewise.
15798 (thumb_compute_save_reg_mask): Likewise.
15799 (legitimate_pic_operand): Factor out some known invariants.
15800 (legitimize_pic_address): If we don't have a fixed pic register,
15801 then set up a pseudo in the function entry sequence. Handle the
15802 pic base being in a pseudo.
15803 (arm_load_pic_register): Handle the pic register being in a pseudo.
15804 (arm_expand_prologue): Only set up the pic register if it is fixed.
15805 (thumb_expand_prologue): Likewise.
15806 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15807 (pic_load_addr_based_insn): Likewise.
15808 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15811 2006-01-18 Ben Elliston <bje@au.ibm.com>
15813 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15814 decimal float modes for all floating point registers.
15816 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15817 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15819 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15822 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15823 even when the pointer is not NULL.
15825 2006-01-16 Ian Lance Taylor <ian@airs.com>
15827 * common.opt (ftoplevel-reorder): New option.
15828 * cgraph.c (cgraph_asm_nodes): New global variable.
15829 (cgraph_asm_last_node): New static variable.
15830 (cgraph_order): New global variable.
15831 (cgraph_create_node): Set new order field.
15832 (cgraph_varpool_node): Likewise.
15833 (decide_is_variable_needed): Return true if not
15834 flag_toplevel_reorder.
15835 (cgraph_add_asm_node): New function.
15836 * cgraph.h (struct cgraph_node): Add order field.
15837 (struct cgraph_varpool_node): Add order field.
15838 (struct cgraph_asm_node): Define.
15839 (cgraph_asm_nodes, cgraph_order): Declare.
15840 (cgraph_add_asm_node): Declare.
15841 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15843 (cgraph_varpool_assemble_pending_decls): Call it.
15844 (cgraph_output_pending_asms): New static function.
15845 (cgraph_finalize_compilation_unit): Call it.
15846 (struct cgraph_order_sort): Define.
15847 (cgraph_output_in_order): New static function.
15848 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15849 !flag_toplevel_reorder case.
15850 * c-parser.c: Include "cgraph.h".
15851 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
15853 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15854 than -fno-unit-at-a-time.
15855 * doc/invoke.texi (Option Summary): Mention
15856 -fno-toplevel-reorder.
15857 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15858 -funit-at-a-time documentation.
15860 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
15861 Kazu Hirata <kazu@codesourcery.com>
15863 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
15865 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
15867 * Makefile.in (FUNCTION_H): New. Use it instead of
15868 function.h throughout the file.
15869 * function.h: Include tree.h.
15871 2006-01-17 Ben Elliston <bje@au.ibm.com>
15873 * recog.c: Separate some functions with whitespace.
15875 2006-01-16 Richard Henderson <rth@redhat.com>
15877 Merge from gomp branch:
15878 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
15879 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
15880 and rename from struct inline_data. Rename callee* to dst*;
15881 caller* to src*; add copy_decl hook, transform_call_graph_edges,
15882 transform_new_cfg, transform_return_to_modify, and
15883 transform_lang_insert_block flags; remove cloning_p, versioning_p,
15885 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
15886 (copy_decl_for_dup): Remove.
15887 * tree-inline.c (struct inline_data): Move to header.
15888 (insert_decl_map): Export.
15889 (remap_decl): Update for member name changes. Use copy_decl hook.
15890 Allow for replacement to be a non-decl. Remove dead code.
15891 (remap_type_1): Check for existing mapping.
15892 (remap_type): Export.
15893 (remap_decls): Update for member name changes.
15894 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
15895 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
15896 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
15897 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
15898 (tree_function_versioning, build_duplicate_type): Likewise.
15899 (copy_body_r): Likewise. Export.
15900 (copy_decl_for_dup): Split into ...
15901 (copy_decl_for_dup_finish, copy_decl_to_var,
15902 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
15903 (replace_ref_tree, inlining_p): Remove.
15905 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15907 * ifcvt.c (if_convert): Make it static.
15908 * rtl.h: Remove the prototype for if_convert.
15910 * local-alloc.c (local_alloc): Make it static.
15911 * rtl.h: Remove the prototype for local_alloc.
15913 * loop.c (loop_optimize): Make it static.
15914 * cfgloop.h: Remove the prototype for loop_optimize.
15917 2006-01-16 DJ Delorie <dj@redhat.com>
15919 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
15922 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15924 * pa.md: Disparage copies between general and floating-point registers
15925 in 32-bit move patterns.
15927 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
15930 * Makefile.in (check-%): Depend on site.exp instead of
15931 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
15934 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15936 * global.c (global_alloc): Make it static.
15937 * rtl.h: Remove the prototype for global_alloc.
15939 2006-01-16 Richard Guenther <rguenther@suse.de>
15941 * tree-ssa-alias.c (struct used_part): Add write_only field.
15942 (get_or_create_used_part_for): Initialize it to true.
15943 (create_overlap_variables_for): Don't create structure variables
15944 for structures that only are written to.
15945 (find_used_portions): Handle MODIFY_EXPR to track whether a
15946 structure is only written to.
15948 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15950 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
15952 * basic-block.h: Remove the prototype for
15953 partition_hot_cold_basic_blocks.
15955 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
15957 * cppspec.c (lang_specific_spec_functions): Remove.
15958 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
15959 * gcc.h (lang_specific_spec_functions): Remove.
15960 * gccspec.c (lang_specific_spec_functions): Remove.
15962 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
15964 * combine.c (record_value_for_reg): Invalidate registers
15966 (record_dead_and_set_regs_1): Likewise, by passing them to
15967 record_value_for_reg.
15968 (record_dead_and_set_regs): Invalidate stores made by a
15969 call. We do not combine across a call, but we still
15970 relied on equivalences.
15972 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15974 * tree-vrp.c (extract_range_from_binary_expr): Cope with
15975 vrp_int_const_binop returning non-constant nodes.
15977 2006-01-16 Paul Brook <paul@codesourcery.com>
15979 * config/m68k/m68k.c (output_move_const_into_data_reg):
15980 Output correct mnemonic for mvz and mvs.
15982 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
15984 * rtl-factoring.c: Add sequence abstraction algorithm.
15985 * cfgcleanup.c (outgoing_edges_match): Extra checks.
15986 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
15988 (block_has_preserve_label): New function.
15989 * common.opt: Register new pass.
15990 * Makefile.in: Ditto.
15992 * timevar.def: Ditto.
15993 * tree-pass.h: Ditto.
15994 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
15995 * rtl.h (make_jump_insn_raw): Add forward decl.
15996 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
15998 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15999 Roger Sayle <roger@eyesopen.com>
16001 * fold-const.c (fold_minmax): New static function.
16002 (fold_binary) <MIN_EXPR>: Call it.
16003 <MAX_EXPR>: Likewise.
16004 * stor-layout.c (place_field): Use DECL_SIZE consistently
16005 in the computation of the new record size.
16007 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16009 * cse.c (cse_condition_code_reg): Make it static.
16010 * rtl.h: Remove the prototype for cse_condition_code_reg.
16012 * combine.c (combine_instructions): Make it static.
16013 * rtl.h: Remove the prototype for combine_instructions.
16015 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16018 * tree.c (get_file_function_name_long): Concatenate the first global
16019 object name with a string derived from the input filename of the object
16022 2006-01-16 Ben Elliston <bje@au.ibm.com>
16024 * config/i386/winnt-stubs.c: Update FSF address.
16025 * config/xtensa/ieee754-df.S: Ditto.
16026 * config/xtensa/ieee754-sf.S: Ditto.
16028 2006-01-14 Ian Lance Taylor <ian@airs.com>
16030 * ifcvt.c (noce_init_if_info): New static function, broken out of
16031 noce_process_if_block.
16032 (noce_process_if_block): Call noce_init_if_info.
16033 (check_cond_move_block): New static function.
16034 (cond_move_process_if_block): New static function.
16035 (process_if_block): Call cond_move_process_if_block.
16037 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
16039 * cselib.c (hash_table): Rename to cselib_hash_table.
16040 (cselib_clear_table, discard_useless_values,
16041 remove_useless_values, cselib_lookup_mem, cselib_lookup,
16042 cselib_init, cselib_finish): Adjust uses of hash_table.
16044 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
16046 PR tree-optimization/25485
16047 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16048 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16049 is known to be false and true, respectively.
16051 2006-01-14 Richard Guenther <rguenther@suse.de>
16053 PR tree-optimization/22548
16054 PR tree-optimization/22555
16055 PR tree-optimization/22501
16056 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16057 * params.def (salias-max-array-elements): New parameter.
16058 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16059 * doc/invoke.texi (salias-max-array-elements): Document.
16060 * tree-flow-inline.h (var_can_have_subvars): We also handle
16062 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16064 * tree-ssa-structalias.c (params.h): Include.
16065 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16066 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16067 (get_constraint_for): For ADDR_EXPR operating on something
16068 containing an ARRAY_REF, add all subvars to the solution.
16069 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16070 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16071 for creating MUST_DEFs.
16072 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16074 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16076 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16078 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16079 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16080 number_of_iterations_le): New functions.
16081 (number_of_iterations_special): Removed.
16082 (number_of_iterations_exit): Do not use number_of_iterations_special.
16083 * tree.c (unsigned_type_for): Always return integer type.
16085 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
16086 Richard Guenther <rguenther@suse.de>
16088 PR rtl-optimization/24257
16089 * gcse.c (find_moveable_store): Only consider a store movable
16090 when the SET_SRC of the insn can be assigned to a register.
16092 2006-01-14 Ian Lance Taylor <ian@airs.com>
16094 * tree.c (tree_not_class_check_failed): New function.
16095 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16096 (tree_not_class_check_failed): Declare.
16098 2006-01-13 Ian Lance Taylor <ian@airs.com>
16100 * reload1.c (do_output_reload): Add assertion rejecting a
16103 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16105 * combine.c (struct reg_stat): Add new fields truncation_label and
16107 (record_value_for_reg): Reset truncated_to_mode.
16108 (record_truncated_value): New function.
16109 (check_promoted_subreg): Call it. Rename to check_conversions.
16110 (combine_instructions): Rename check_promoted_subreg to
16112 (reg_truncated_to_mode): New function.
16113 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16114 (gen_lowpart_or_truncate): New function.
16115 (force_to_mode): Use it instead of gen_lowpart.
16117 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16119 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16120 VAR is a tag, not its type tag.
16122 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16124 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16125 alternatives to match style of other entries.
16126 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16128 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16130 PR tree-optimization/25771
16131 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16134 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16137 * tree-inline.c (declare_return_variable): If the return variable
16138 was marked as a non gimple complex, set the return slot variable
16139 to be a non gimple comple variable.
16141 2006-01-13 Richard Guenther <rguenther@suse.de>
16143 * builtins.c (expand_builtin_sincos): New function.
16144 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16146 (expand_builtin): Expand sincos using expand_builtin_sincos.
16148 2006-01-12 DJ Delorie <dj@redhat.com>
16150 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16151 shift counts, separate SI shifts for m32c vs m16c, pass shift type
16152 so that constant shifts can be split.
16153 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16154 (m32c_valid_pointer_mode): Make static.
16155 (shift_gen_func_for): New.
16156 (m32c_prepare_shift): Use it. Split large const shifts into
16158 * config/m32c/predicates.md (shiftcount_operand): Allow more
16160 (longshiftcount_operand): New.
16161 * doc/md.texi (Machine Constraints): Document In6.
16163 2006-01-13 Ben Elliston <bje@au.ibm.com>
16165 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16166 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16169 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
16171 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16172 to try to avoid clobbering pieces of structures when we know
16173 something about the whole structure.
16174 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16176 2006-01-13 Ben Elliston <bje@au.ibm.com>
16178 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16179 return in memory, as this is no limitation is no longer present.
16181 2006-01-12 DJ Delorie <dj@redhat.com>
16183 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16184 mova with fb, and for fb+0 -> An.
16186 * config/m32c/mov.md (peephole2): Fix enabling logic.
16188 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16189 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16190 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16191 FINI_ARRAY_SECTION_ASM_OP): Define.
16193 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16195 (m32c_legitimize_reload_address): New logic to reload FB to An.
16196 (m32c_output_reg_push): Add newline.
16197 (m32c_output_reg_pop): Likewise.
16199 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16201 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16203 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16205 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16207 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16209 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16212 2006-01-11 Ben Elliston <bje@au.ibm.com>
16214 * rtlanal.c (find_reg_note): Assert insn is not null.
16216 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16218 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16221 2006-01-11 Jeff Law <law@redhat.com>
16223 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16225 (mark_threaded_blocks, register_jump_thread): New functions.
16226 (thread_through_all_blocks): Remove unwanted argument. No
16227 longer rely on e->aux to communicate thread target info.
16228 Call mark_threaded_blocks. Release the threaded_blocks
16229 bitmap and threaded_edges vector when complete.
16230 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16231 (threaded_blocks): Remove.
16232 (tree_ssa_dominator_optimize): Remove initialization and
16233 finalization of threaded_blocks. Simplify call to
16234 thread_through_all_blocks.
16235 (thread_across_edge): Call register_jump_thread rather than
16236 storing thread information into e->aux.
16237 (free_all_edge_infos): Simplify now that e->aux is no longer
16238 used to communicate with thread_through_all_blocks.
16239 * tree-flow.h (thread_through_all_blocks): Update prototype.
16240 (register_jump_thread): Prototype.
16242 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16244 * df-core.c (df_compact_blocks, df_bb_replace): Use
16245 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16247 2006-01-11 Richard Guenther <rguenther@suse.de>
16249 PR tree-optimization/25734
16250 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16251 stop propagation after successful propagation to the LHS.
16253 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16255 * basic-block.h (control_flow_graph): Change the type of
16256 x_basic_block_info to VEC(basic_block,gc) *.
16257 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16259 (SET_BASIC_BLOCK): New.
16260 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16261 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16262 * cfgbuild.c (find_basic_blocks): Likewise.
16263 * cfglayout.c (fixup_reorder_chain): Likewise.
16264 * cfgrtl.c (create_basic_block_structure,
16265 rtl_create_basic_block): Likewise.
16266 * ifcvt.c (find_if_case_1): Likewise.
16267 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16270 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16272 * Makefile.in: Removed rotted odf.c entry.
16274 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16277 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16278 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16279 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16280 output pattern modifier, not %e.
16281 * config/cris/cris.c (cris_op_str): Update comment about pattern
16283 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16284 before falling through into...
16285 <case 'E'>: Redefined from old 'e' case.
16287 2006-01-11 Jan Hubicka <jh@suse.cz>
16290 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16292 2006-01-11 Jan Hubicka <jh@suse.cz>
16294 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16295 * i386.c (x86_decompose_lea): Kill.
16296 (ix86_rtx_costs): Kill.
16298 2006-01-11 Jan Hubicka <jh@suse.cz>
16300 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16301 * cgraph.h (cgraph_node): Add inline_decl.
16302 (cgraph_insert_node_to_hashtable): Declare.
16303 (save_inline_function_body): Declare.
16304 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16306 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16307 (cgraph_function_versioning): Update call of tree_function_versioning.
16308 (save_inline_function_body): New function.
16309 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16310 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16311 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16312 (cgraph_default_inline_p): Likewise.
16313 (cgraph_decide_inlining_incrementally): Likewise.
16314 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16315 (copy_bb): Kill saving; do updating of clones.
16316 (copy_cfg_body): Kill saving.
16317 (initialize_inlined-parameters): Likewise.
16318 (expand_call_inline): Likewise.
16320 (tree_function_versioning): New parameter "update_clones".
16321 (inlining_p): Kill saving.
16322 * tree-inline.h (tree_function_versioning): Update prototype.
16323 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16326 2006-01-11 Ian Lance Taylor <ian@airs.com>
16328 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16329 Allow undoing set of machine mode.
16330 (do_SUBST): Use enums instead of is_int.
16331 (do_SUBST_MODE): New function.
16332 (SUBST_MODE): New macro.
16333 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16334 reg and trying to replace reg_regno_rtx with a new register.
16335 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16336 (simplify_set): Use SUBST_MODE.
16337 (distribute_notes): Remove code that tried to update reg notes
16338 for regno_reg_rtx changes.
16340 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16342 PR tree-optimization/23109
16343 PR tree-optimization/23948
16344 PR tree-optimization/24123
16346 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16347 * tree-cfg.c (single_noncomplex_succ): New.
16348 * tree-flow.h (single_noncomplex_succ): Declare it.
16349 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16350 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16351 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16352 insert_bb, register_division_in, insert_reciprocals,
16353 replace_reciprocal, free_bb): New.
16354 (execute_cse_reciprocals_1): Rewritten.
16355 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16356 Do not commit any edge insertion. Always compute dominators and
16357 create the allocation pool.
16358 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16359 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16360 * targhooks.c (default_min_divistions_for_recip_mul): New.
16361 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16362 * passes.c (init_optimization_passes): Run recip after tree loop
16364 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16366 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16367 Kenneth Zadeck <zadeck@naturalbridge.com>
16369 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16370 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16371 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16372 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16373 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16374 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16375 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16376 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16377 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16378 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16379 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16380 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16381 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16382 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16383 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16384 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16385 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16386 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16387 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16388 DF_SCAN_POST_ALLOC): New macros.
16389 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16390 df_free_bb_function, df_local_compute_function, df_init_function,
16391 df_dataflow_function, df_confluence_function_0,
16392 df_confluence_function_n, df_transfer_function,
16393 df_finalizer_function, df_free_function, df_dump_problem_function,
16394 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16395 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16396 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16397 df_urec_bb_info, ) New types.
16398 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16400 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16401 df_analyze_simple_change_some_blocks,
16402 df_analyze_simple_change_one_block, df_compact_blocks,
16403 df_bb_replace, df_bb_regno_last_use_find,
16404 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16405 df_insn_regno_def_p, df_find_def, df_find_use,
16406 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16407 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16408 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16409 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16410 debug_df_chain, df_get_dependent_problem, df_chain_create,
16411 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16412 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16413 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16414 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16415 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16416 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16417 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16418 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16419 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16420 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16421 df_reorganize_refs, df_set_state, df_hard_reg_init,
16422 df_read_modify_subreg_p) New public functions.
16423 * df-core.c: The core dataflow solver and glue routines for rtl
16425 (df_init, df_add_problem, df_set_blocks, df_finish,
16426 df_hybrid_search_forward, df_hybrid_search_backward,
16427 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16428 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16429 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16430 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16431 df_reg_defined, df_find_use, df_reg_used, df_dump,
16432 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16433 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16434 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16435 debug_df_useno, reset_df_after_reload): New functions.
16436 * df-scan.c: The scanning fuctions, once in df.c, completely
16437 rewritten so that they now fully model the functionality of
16438 register usage at the backend.
16439 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16440 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16441 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16442 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16443 df_get_artificial_defs, df_get_artificial_uses,
16444 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16445 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16446 df_refs_delete, df_reorganize_refs, df_set_state,
16447 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16448 df_def_record_1, df_defs_record, df_uses_record,
16449 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16450 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16451 df_record_exit_block_uses, df_hard_reg_init): New functions.
16453 * df-problems.c: Seven concrete dataflow problems that use the
16454 scanning in df-scan.c and are solved by the engine in df-core.c.
16455 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16456 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16457 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16458 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16459 df_ru_free_bb_info, df_ru_alloc,
16460 df_ru_bb_local_compute_process_def,
16461 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16462 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16463 df_ru_transfer_function, df_ru_free, df_ru_dump,
16464 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16465 df_rd_free_bb_info, df_rd_alloc,
16466 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16467 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16468 df_rd_transfer_function, df_rd_free, df_rd_dump,
16469 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16470 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16471 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16472 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16473 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16474 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16475 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16476 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16477 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16478 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16479 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16480 df_urec_mark_reg_use_for_earlyclobber,
16481 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16482 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16483 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16484 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16485 df_chain_create_bb_process_use, df_chain_create_bb,
16486 df_chain_finalize, df_chain_free, df_chains_dump,
16487 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16488 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16489 df_reg_lifetime): New functions.
16490 * df.c: Deleted file.
16491 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16492 consistent with new df api.
16493 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16494 rest_of_handle_sms): Ditto.
16495 * web.c (unionfind_union, union_defs, entry_register, web_main):
16497 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16498 invariant_expr_equal_p, find_defs, check_dependencies,
16499 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16500 free_inv_motion_data, move_loop_invariants): Ditto.
16501 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16502 Update dependencies.
16503 (odf.c): Added defective entry that was deleted later in day.
16504 * sched-deps.c (sched_analyze_1): Ditto.
16506 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16508 * tree-ssa-operands.c (get_expr_operands): Record addressable
16509 variables directly. Do not call add_stmt_operands for CONST_DECLs
16511 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16512 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16514 2006-01-11 Ben Elliston <bje@au.ibm.com>
16516 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16517 function returns true in the positive case.
16519 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16522 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16523 for SI, DI, SF and DF modes. Add alternatives to copy between
16524 general and floating point registers to the 32-bit patterns.
16525 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16526 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16527 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16528 generating 64-bit code.
16529 * config/pa/pa.c (output_move_double): Handle copies between general
16530 and floating registers.
16532 2006-01-10 Stuart Hastings <stuart@apple.com>
16534 * config/i386/i386.md (set_got): Update.
16535 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16536 (builtin_setjmp_receiver): Mach-O support.
16537 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16538 (GOT_SYMBOL_NAME): Define.
16539 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16540 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16541 * config/i386/i386.c (override_options): Revise for Darwin.
16542 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16543 support. (darwin_x86_file_end): New. (output_set_got): Add label
16544 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16545 * config/i386/i386-protos.h (output_set_got): Likewise.
16546 * config/darwin.c (machopic_legitimize_pic_address): Update
16549 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16551 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16552 when MODE isn't BLKmode.
16554 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16556 PR rtl-optimization/25367
16557 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16559 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16562 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16563 for a negative bound.
16565 2006-01-10 Richard Guenther <rguenther@suse.de>
16567 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16568 Never override with anything constraint.
16570 2006-01-10 Jan Beulich <jbeulich@novell.com>
16572 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16573 256 bits when optimize_size.
16575 2006-01-10 Jan Beulich <jbeulich@novell.com>
16577 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16579 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16580 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16583 2006-01-10 Ben Elliston <bje@au.ibm.com>
16585 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16587 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16588 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16589 (USE_FP_FOR_ARG): Reject decimal float modes.
16590 (function_arg_advance): Likewise.
16591 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16592 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16593 point types in AltiVec vectors.
16594 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16595 (rs6000_libcall_value): Likewise.
16597 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16599 * config/xtensa/ieee754-df.S: New file.
16600 * config/xtensa/ieee754-sf.S: New file.
16601 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16602 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16603 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16605 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16607 * config/sh/predicates.md (binary_float_operator,
16608 binary_logical_operator, commutative_float_operator,
16609 equality_comparison_operator, greater_comparison_operator,
16610 less_comparison_operator, logical_operator,
16611 noncommutative_float_operator, shift_operator,
16612 symbol_ref_operand, unary_float_operator): Remove redundant
16615 2006-01-09 Jeff Law <law@redhat.com>
16617 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16618 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16619 now unused arguments. Callers updated.
16620 (eliminate_redundant_computations): Remove now unused arguments,
16622 (local_fold): Remove, no longer used.
16623 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16625 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16626 (simplify_cond): New function.
16627 (forward_propagate_into_cond): Call simplify_cond.
16629 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16631 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16632 (*vec_extractv2di_1_sse): New.
16634 2006-01-09 Ben Elliston <bje@au.ibm.com>
16636 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16638 2006-01-08 Richard Guenther <rguenther@suse.de>
16640 * tree-ssa-structalias.c (get_constraint_for): Remove
16641 anyoffset argument.
16642 (get_constraint_for_component_ref): Likewise.
16643 (do_deref): Likewise.
16644 (get_constraint_for): Likewise.
16645 (do_structure_copy): Likewise.
16646 (handle_ptr_arith): Likewise.
16647 (find_func_aliases): Likewise. Remove unused need_anyoffset
16650 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16651 Kaz Kojima <kkojima@gcc.gnu.org>
16653 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16654 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16655 (EXTRA_CONSTRAINT_C16): Remove.
16656 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16657 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16658 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16659 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16660 constants of SHmedia. Handle nested constant expressions of
16662 (andcosts): Fix the costs for SHmedia constants.
16663 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16664 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16665 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16666 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16667 (movv4hi_i, movv2si_i): Likewise.
16668 (movsi_const): Adjust the second operand of ior so to match with
16669 the Csu constraint.
16670 (movdi_const, movdi_const_32bit): Likewise.
16671 (movdi_const_16bit+1): Don't sign-extend LOW.
16672 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16674 (*double_shori): Fix the split condition. Use GEN_INT instead
16675 of get_int_mode calls. Mask lower 16-bit of the argument of
16677 (sym2GOTPLT): Remove.
16678 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16680 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16681 instead of EXTRA_CONSTRAINT_C16.
16683 2006-01-07 Ian Lance Taylor <ian@airs.com>
16684 David Edelsohn <edelsohn@gnu.org>
16686 PR rtl-optimization/25662
16687 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16688 for constant operands instead of simplify_gen_binary.
16689 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16690 after trying simplify_binary_operation
16692 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16694 * tree.c (iterative_hash_expr): Hash decls based on UID.
16696 2006-01-06 Eric Christopher <echristo@apple.com>
16698 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16699 (TARGET_UNWIND_EMIT): Fix spelling.
16700 * target.h (gcc_target): Add except_table_label.
16701 * except.c (output_function_exception_table): Use.
16702 * varasm.c (default_emit_except_table_label): New.
16703 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16705 (asm_out): Add here.
16706 * output.h (default_emit_except_table_label): Prototype.
16707 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16708 * config/darwin.c (darwin_emit_except_table_label): Define.
16709 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16711 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16713 PR tree-optimization/18527
16714 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16715 number_of_iterations_special, number_of_iterations_exit):
16716 Move base and step of an iv to a single structure. Add
16717 no_overflow flag, and use it in # of iterations analysis.
16718 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16719 folded_casts argument.
16720 (simple_iv): Pass base and step in a structure. Set no_overflow
16722 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16723 Evaluate expensiveness of computing # of iterations instead of
16724 the final expression.
16725 * tree-scalar-evolution.h (affine_iv): New structure.
16726 (simple_iv): Declaration changed.
16727 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16728 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16729 find_givs_in_stmt): Changed due to simple_iv change.
16731 2006-01-06 Jeff Law <law@redhat.com>
16734 * tree-cfg.c (bsi_replace): Rename final argument from
16735 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16736 change (stmt -> orig_stmt).
16737 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16738 (bsi_remove): Add new argument. Remove EH information
16740 (verify_eh_throw_table_statements): New function.
16741 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16743 * tree-optimize.c (execute_free_cfg_annotations): Verify
16744 the EH throw statement table after removing annotations.
16745 * except.h (verify_eh_throw_table_statements): Prototype.
16746 * tree-flow.h (bsi_remove): Update prototype.
16747 * tree-vrp.c (remove_range_assertions): Add new argument to
16749 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16750 * tree-complex.c (expand_complex_div_wide): Likewise.
16751 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16752 * tree-tailcall.c (eliminate_tailcall): Likewise.
16753 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16754 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16755 * tree-nrv.c (tree_nrv): Likewise.
16756 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16757 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16758 (combine_blocks): Likewise.
16759 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16760 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16761 (cleanup_control_flow): Likewise.
16762 (remove_forwarder_block): Likewise.
16763 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16764 * tree-sra.c (sra_replace): Likewise.
16765 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16766 (forward_propagate_single_use_vars): Likewise.
16767 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16768 * tree-inline.c (expand_call_inline): Likewise.
16769 * tree-vect-transform.c (vect_transform_loop): Likewise.
16770 * tree-outof-ssa.c (rewrite_trees): Likewise.
16771 * tree-cfg.c (make_goto_expr_edges): Likewise.
16772 (cleanup_dead_labels): Likewise.
16773 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16774 (bsi_move_before, bsi_move_after): Likewise.
16775 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16776 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
16778 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
16781 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
16783 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
16784 on non gimple variables. Also add checks at the top for decls and
16786 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
16788 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
16789 and IMAGPART_EXPR for creating MUST_DEFs.
16790 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
16791 and NAME_MEMORY_TAG separately from the DECLs.
16793 2006-01-06 Richard Guenther <rguenther@suse.de>
16795 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
16796 annotation, if necessary.
16797 * tree-ssa-pre.c (create_expression_by_pieces): Remove
16798 redundant calls to update_stmt.
16799 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16802 2006-01-05 Richard Henderson <rth@redhat.com>
16804 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16806 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16808 * c-typeck.c: Update copyright date.
16810 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16812 * c-typeck.c (build_c_cast): Always warn when casting
16813 from a pointer to an integer of different size, even if
16814 the node was constant.
16816 2006-01-05 Richard Guenther <rguenther@suse.de>
16818 PR tree-optimization/22555
16819 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16820 if one structure field is an array.
16821 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16822 operands even if we found a subvar, but ignore VOPs in this
16824 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16826 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16828 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16830 PR middle-end/24998
16831 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16833 2006-01-05 Richard Guenther <rguenther@suse.de>
16834 Diego Novillo <dnovillo@redhat.com>
16836 * tree-pass.h (TODO_remove_unused_locals): Define.
16837 * gimple-low.c (expand_var_p, remove_useless_vars,
16838 pass_remove_useless_vars): Remove. Update all users.
16839 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16840 (remove_unused_locals): New function.
16841 * tree-flow.h (remove_unused_locals): Declare.
16842 * passes.c (execute_todo): Call remove_unused_locals if
16843 TODO_remove_unused_locals is set.
16844 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16845 * tree-ssa-dce.c (pass_dce): Likewise.
16846 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16848 2006-01-05 Richard Guenther <rguenther@suse.de>
16850 * tree-flow.h (struct fieldoff): Decompose field to
16851 type, size and decl.
16852 * tree-ssa-alias.c (create_sft): Take type as parameter.
16853 (create_overlap_variables_for): Store type, size and decl
16854 in the fieldoff structure.
16855 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16856 of struct fieldoff.
16857 (push_fields_onto_fieldstack): Likewise.
16858 (create_variable_info_for): Likewise. Use offset for the
16859 SFT name if the decl is not available.
16861 2006-01-04 Paul Brook <paul@codesourcery.com>
16863 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
16865 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
16867 * lambda-code.c (can_put_in_inner_loop): Relax
16869 (can_put_after_inner_loop): New function.
16870 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
16871 (perfect_nestify): Change to make copies and modify uses.
16873 2006-01-04 Richard Henderson <rth@redhat.com>
16875 Merge from gomp branch:
16876 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
16877 via integer constant.
16878 (pragma_lex): Remove.
16879 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
16880 rather than parsing it.
16881 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
16882 handle_pragma_extern_prefix): Add %< %> quotes.
16883 (registered_pragmas): New.
16884 (c_register_pragma_1): New.
16885 (c_register_pragma): Use it.
16886 (c_register_pragma_with_expansion): Likewise.
16887 (c_invoke_pragma_handler): New.
16888 (init_pragma): Use cpp_register_deferred_pragma directly for
16890 * c-pragma.h (enum pragma_kind): New.
16891 (pragma_handler): New.
16892 (c_invoke_pragma_handler): Declare.
16893 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
16895 * c-common.h (c_common_pch_pragma): Update decl.
16896 * Makefile.in (c-parser.o): Update dependencies.
16897 (GTFILES): Add c-pragma.h.
16898 * c-parser.c (struct c_token): Add pragma_kind.
16899 (struct c_parser): Add in_pragma.
16900 (c_lex_one_token): Always initialize keyword and pragma_kind.
16901 Extract data for CPP_PRAGMA.
16902 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
16903 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
16904 Don't allow CPP_PRAGMA_EOL if in_pragma.
16905 (c_parser_consume_pragma): New.
16906 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
16907 (c_parser_skip_to_end_of_parameter): Likewise.
16908 (c_parser_skip_to_end_of_block_or_statement): Likewise.
16909 (c_parser_skip_to_pragma_eol): New.
16910 (c_parser_external_declaration): Handle CPP_PRAGMA.
16911 (c_parser_compound_statement_nostart): Likewise.
16912 (c_parser_statement_after_labels): Likewise.
16913 (c_parser_pragma): New.
16914 (pragma_lex): Likewise.
16915 (c_parser_pragma_pch_preprocess): New.
16916 (c_parser_new): Merge into ...
16917 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
16919 2006-01-04 Jeff Law <law@redhat.com>
16922 * tree-cfg.c (bsi_replace): Remove the original statement
16923 from the EH throw statement table.
16925 2006-01-04 Jakub Jelinek <jakub@redhat.com>
16927 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
16928 make the prototype extern "C" and add throw ().
16931 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
16932 and pos non-negative and pos + len <= 32.
16933 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
16934 drop pos + len < HOST_BITS_PER_WIDE_INT test.
16935 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
16938 * c-common.c (handle_vector_size_attribute): Reject zero vector size
16939 as well as sizes not multiple of component size.
16942 * function.c (instantiate_expr): New function.
16943 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
16944 walk its DECL_VALUE_EXPR with instantiate_expr.
16946 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
16947 DW_OP_deref{,_size} if address isn't going to be added.
16949 2006-01-04 Ben Elliston <bje@au.ibm.com>
16951 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
16952 * config/fp-bit.c: Likewise.
16954 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
16956 * dominance.c: Add comment about why we use DFS numbering
16959 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16960 Richard Henderson <rth@redhat.com>
16962 Merge from gomp-branch:
16963 * varasm.c (assemble_variable): Handle thread-local COMMON data.
16964 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
16966 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
16968 PR rtl-optimization/25578
16969 * combine.c (combine_simplify_rtx, force_to_mode): Don't
16970 pass a parameter to simplify_shift_const if changing ASHIFTRT
16973 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
16975 * builtins.c (get_builtin_sync_mem): New function.
16976 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
16977 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
16978 Call get_builtin_sync_mem to generate mem rtx.
16980 2006-01-03 Richard Guenther <rguenther@suse.de>
16983 * stmt.c (add_case_node): Make sure to clear overflow flags
16986 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16988 Merge from gomp-branch.
16989 * config/sparc/sync.md: New file.
16990 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
16991 UNSPECV_LDSTUB): New constants.
16992 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
16993 * config/sparc/predicates.md (memory_reg_operand): New predicate.
16994 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
16997 2006-01-03 Roger Sayle <roger@eyesopen.com>
16999 * combine.c (reg_subword_p): New predicate to test whether the
17000 destination of a set refers to a subword/piece of a register.
17001 (try_combine): Generalize the code to merge the setting of a
17002 pseudo to a constant followed by a set of a subword of that
17003 register to a constant.
17005 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
17007 * basic-block.h (control_flow_graph): Change the type of
17008 x_label_to_block_map to VEC(basic_block,gc) *.
17009 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17010 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17012 * tree-ssa-propagate.c (cfg_blocks): Change the type to
17013 VEC(basic_block,heap) *.
17014 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17015 ssa_prop_fini): Adjust the uses of cfg_blocks.
17017 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
17019 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17021 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17022 hashing trees instead of a pointer hash.
17023 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17024 compare for MEM_EXPR.
17026 PR rtl-optimization/25130
17027 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17028 when comparing MEMs for GCSE
17030 2006-01-03 Ben Elliston <bje@au.ibm.com>
17032 * targhooks.h (default_decimal_float_supported_p): Declare.
17033 * targhooks.c (default_decimal_float_supported_p): Define.
17034 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17035 `default_decimal_float_supported_p'.
17036 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17038 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
17040 * combine.c (apply_distributive_law <SUBREG>): Check
17041 TRULY_NOOP_TRUNCATION.
17043 2006-01-02 Geoffrey Keating <geoffk@apple.com>
17045 * dwarf2out.c (have_switched_text_section): Delete.
17046 (have_multiple_function_sections): New.
17047 (have_location_lists): Make 'bool'.
17048 (add_AT_loc_list): Use 'true' not '1'.
17049 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17050 (output_loc_list): Use have_multiple_function_sections.
17051 (output_ranges): Likewise.
17052 (dwarf2out_begin_function): Set have_multiple_function_sections if
17054 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17055 Check function_section rather than DECL_SECTION_NAME.
17056 (dwarf2out_finish): Use have_multiple_function_sections.
17057 Don't clear have_location_lists.
17059 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
17060 Jan Hubicka <jh@suse.cz>
17062 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17063 case of conditional jump jumping to the next instruction.
17064 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17065 cases of conditional jump jumping to the next instruction.
17067 2006-01-02 Jan Hubicka <jh@suse.cz>
17069 * i386.c (*_cost): Add COSTS_N_INSNS.
17070 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17072 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
17075 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17077 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17079 * config/arm/arm.c (all_fpus): Fix comment typo.
17080 * config/darwin.c: Likewise.
17081 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17082 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17083 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17085 2006-01-01 David Edelsohn <edelsohn@gnu.org>
17087 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17088 (rs6000_split_compare_and_swapqhi): New.
17089 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17090 (sync_compare_and_swapqhi_internal): New.
17091 * config/rs6000/rs6000-protos.h: Declare.