1 2006-10-31 Andrew Pinski <pinskia@gmail.com>
3 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
6 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
8 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
10 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
12 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
14 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
15 * configure.ac (use_cxa_atexit): As a special case, don't test
16 for libc definition of __cxa_atexit on mingw32
17 * configure: Regenerate.
18 * config.gcc (i[34567]86-pc-mingw32): Default to
19 enable__cxa_atexit=yes.
21 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
25 2006-10-31 Geoffrey Keating <geoffk@apple.com>
28 * c-decl.c (start_struct): Don't create self-containing
30 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
32 * config/rs6000/rs6000-protos.h
33 (darwin_rs6000_special_round_type_align): New.
34 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
35 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
37 2006-10-31 Geoffrey Keating <geoffk@apple.com>
39 * toplev.c (compile_file): Call final_write_globals
40 even if there have been errors.
42 2006-10-31 Eric Christopher <echristo@apple.com>
43 Falk Hueffner <falk@debian.org>
45 * doc/extend.texi (__builtin_bswap32): Document.
46 (__builtin_bswap64): Ditto.
47 * doc/libgcc.texi (bswapsi2): Document.
49 * doc/rtl.texi (bswap): Document.
50 * optabs.c (expand_unop): Don't widen a bswap.
51 (init_optabs): Init bswap. Set libfuncs explicitly
52 for bswapsi2 and bswapdi2.
53 * optabs.h (OTI_bswap): New.
55 * genopinit.c (optabs): Handle bswap_optab.
56 * tree.h (tree_index): Add TI_UINT32_TYPE and
58 (uint32_type_node): New.
59 (uint64_type_node): Ditto.
60 * tree.c (build_common_tree_nodes_2): Initialize
61 uint32_type_node and uint64_type_node.
62 * builtins.c (expand_builtin_bswap): New.
63 (expand_builtin): Call.
64 (fold_builtin_bswap): New.
65 (fold_builtin_1): Call.
66 * fold-const.c (tree_expr_nonnegative_p): Return true
68 * builtin-types.def (BT_UINT32): New.
70 (BT_FN_UINT32_UINT32): Ditto.
71 (BT_FN_UINT64_UINT64): Ditto.
72 * builtins.def (BUILT_IN_BSWAP32): New.
73 (BUILT_IN_BSWAP64): Ditto.
74 * rtl.def (BSWAP): New.
75 * genattrtab.c (check_attr_value): New.
76 * libgcc2.c (__bswapSI2): New.
78 * libgcc2.h (__bswapSI2): Declare.
80 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
81 * simplify-rtx.c (simplify_const_unary_operation): Return
83 * libgcc-std.ver (__bwapsi2): Add.
85 * reload1.c (eliminate_regs_1): Add bswap.
86 (elimination_effects): Ditto.
87 * config/i386/i386.h (x86_bswap): New.
89 * config/i386/i386.c (x86_bswap): Set.
91 2006-10-31 Geoffrey Keating <geoffk@apple.com>
93 * coverage.c (coverage_checksum_string): Update comment.
94 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
95 of get_file_function_name.
96 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
97 of get_file_function_name_long.
98 * tree.c (get_file_function_name): Rename from
99 get_file_function_name_long; improve comment; handle 'I' and 'D'
100 specially when the target has ctor/dtor support; remove special
102 (get_file_function_name): Remove.
103 * tree.h (get_file_function_name): Rename from
104 get_file_function_name_long.
105 (get_file_function_name): Remove prototype.
107 2006-10-31 Geoffrey Keating <geoffk@apple.com>
109 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
110 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
112 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
113 Call dsymutil when compiling and linking one or more source files
116 2006-10-31 Geoffrey Keating <geoffk@apple.com>
119 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
121 2006-10-31 Geoffrey Keating <geoffk@apple.com>
123 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
124 inline static functions in c99 mode.
127 * doc/extend.texi (Inline): Update.
128 * c-tree.h (struct language_function): Remove field 'extern_inline'.
129 * c-decl.c (current_extern_inline): Delete.
130 (pop_scope): Adjust test for an undefined nested function.
131 Add warning about undeclared inline function.
132 (diagnose_mismatched_decls): Update comments. Disallow overriding
133 of inline functions in a translation unit in C99. Allow inline
134 declarations in C99 at any time.
135 (merge_decls): Boolize variables. Handle C99 'extern inline'
137 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
138 C99 inline semantics.
139 (start_function): Don't clear current_extern_inline. Don't set
141 (c_push_function_context): Don't push current_extern_inline.
142 (c_pop_function_context): Don't restore current_extern_inline.
145 * c-typeck.c (build_external_ref): Warn about static variables
146 used in extern inline functions.
147 * c-decl.c (start_decl): Warn about static variables declared
148 in extern inline functions.
150 2006-10-31 Roger Sayle <roger@eyesopen.com>
153 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
154 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
155 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
156 or y is an even integer.
158 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
161 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
162 * gthr-posix95.h (__gthread_active_p): Likewise.
164 2006-10-31 Richard Guenther <rguenther@suse.de>
166 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
167 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
168 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
169 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
170 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
171 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
172 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
173 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
176 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
178 * opts.c (decode_options): Disable CSE skip blocks.
180 2006-10-30 Dirk Mueller <dmueller@suse.de>
182 * c-common.h (strict_aliasing_warning): Fix whitespace.
183 * c-decl (start_function): Move code for main decl warning ..
184 * c-common.c (check_main_parameter_types): .. here.
185 * c-common.h (check_main_parameter_types): Declare.
187 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
190 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
192 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
194 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
195 be a PARALLEL containing sets. Return false when out_pat is not
198 2006-10-30 Richard Sandiford <richard@codesourcery.com>
200 * config/mips/mips.md (mul<mode>3): Split into...
201 (mulsi3, muldi3): ...these separate patterns.
203 2006-10-30 Richard Sandiford <richard@codesourcery.com>
205 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
206 but with each set of options separated by spaces.
208 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
210 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
211 dwarf_reg_size_table has been initialized.
213 2006-10-30 Roger Sayle <roger@eyesopen.com>
215 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
216 * ddg.c (print_ddg_edge): Likewise.
217 * dwarf2out.c (prune_unused_types_walk): Likewise.
218 * ifcvt.c (noce_try_cmove_arith): Likewise.
219 * langhooks.c (add_builtin_function): Likewise.
220 * reg-stack.c (subst_stack_regs_pat): Likewise.
221 * tree.c (expanded_location): Likewise.
222 * tree-dump.c (dequeue_and_dump): Likewise.
224 2006-10-30 David Daney <ddaney@avtrex.com>
226 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
228 2006-10-30 Jakub Jelinek <jakub@redhat.com>
230 PR tree-optimization/29637
231 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
232 of the innertype is the innertype itself.
234 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
236 * dwarf2out.c (file_name_acquire): Correct typo.
238 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
240 * tree.h (tree_value_handle): Remove struct value_set declaration.
241 Change value_set to bitmap_set.
242 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
243 * tree-vn.c (get_value_handle): Made inline and moved to
245 * tree-flow-inline.h: (has_stmt_ann): New function.
246 * tree-ssa-pre.c (expressions): New variable.
247 (next_expression_id): Ditto.
248 (alloc_expression_id): New function.
249 (struct value_set): Remove.
250 (get_expression_id): New function.
251 (get_or_alloc_expression_id): Ditto.
252 (expression_for_id): Ditto.
253 (clear_expression_ids): Ditto.
254 (FOR_EACH_EXPR_ID_IN_SET): New macro.
255 (bb_value_sets): Renamed to bb_bitmap_sets.
256 All value sets replaced with bitmap_sets.
258 (BB_VISITED): New macro.
259 (postorder): New variable.
260 (add_to_value): Removed.
261 (value_exists_in_set_bitmap): Ditto.
262 (value_insert_into_set_bitmap): Ditto.
266 (set_contains_value): Ditto.
267 (insert_into_set): Ditto.
269 (find_leader): Ditto.
270 (bitmap_set_subtract_from_value_set): Ditto.
271 (value_insert_into_set): Ditto.
272 (print_value_set): Ditto.
273 (debug_value_set): Ditto.
274 (constant_expr_p): New function.
275 (bitmap_remove_from_set): Ditto.
276 (bitmap_insert_into_set): Ditto.
277 (bitmap_set_free): Ditto.
279 (sorted_array_from_bitmap_set): Ditto.
280 (bitmap_set_subtract): Ditto.
281 (bitmap_set_equal): Ditto.
282 (debug_bitmap_set): Ditto.
283 (find_leader_in_sets): Ditto.
284 (bitmap_set_replace_value): Modify for bitmapped sets.
285 (phi_translate): Ditto.
286 (phi_translate_set): Ditto.
287 (bitmap_find_leader): Ditto.
288 (valid_in_sets): Ditto.
289 (union_contains_value): Ditto.
291 (compute_antic_aux): Ditto. Mark changed blocks.
292 (compute_antic): Ditto. Iterate in postorder and only over
294 (compute_rvuse_and_antic_safe): Reuse postorder.
295 (create_component_ref_by_pieces): Modify for bitmapped sets.
296 (find_or_generate_expression): Ditto.
297 (create_expression_by_pieces): Ditto.
298 (insert_into_preds_of_block): Ditto.
299 (changed_blocks): New variable.
300 (do_regular_insertion): Broken out from insert_aux.
301 (insert_aux): Modified for bitmapped sets.
302 (find_existing_value_expr): New function.
303 (create_value_expr_from): Use it.
304 (insert_extra_phis): Removed.
305 (print_bitmap_set): Renamed from bitmap_print_value_set.
306 (compute_avail): Handle RETURN_EXPR.
307 (init_pre): Modify for bitmapped sets.
308 * tree-flow.h (has_stmt_ann): New function.
310 2006-10-29 Roger Sayle <roger@eyesopen.com>
312 * builtins.c (fold_builtin_floor): Check for the availability of
313 the C99 trunc function before transforming floor into trunc.
315 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
317 * builtins.c (fold_builtin_hypot): Rearrange recursive
318 transformation before others, and also do ABS_EXPR. When
319 necessary, check flag_unsafe_math_optimizations. When necessary,
322 2006-10-29 Roger Sayle <roger@eyesopen.com>
324 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
325 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
326 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
327 Fold -X eq/ne -Y as X eq/ne Y.
329 2006-10-29 Richard Sandiford <richard@codesourcery.com>
331 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
332 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
333 rather than GENERATE_MULT3_SI in the various define_peephole2s.
334 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
335 Use an inclusive test for "mult" rather than "mul".
336 (rotr<mode>3): Depend on ISA_HAS_ROR.
337 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
339 (GENERATE_MULT3_DI): Delete.
340 (ISA_HAS_64BIT_REGS): Use consistent formatting.
341 (ISA_HAS_MUL3): New macro.
342 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
343 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
344 (ISA_HAS_CLZ_CLO): Likewise.
345 (ISA_HAS_DCLZ_DCLO): Delete.
346 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
347 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
348 the VR4120 and VR4130.
349 (ISA_HAS_MACCHI): Use consistent formatting.
350 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
351 (ISA_HAS_ROR): ...this new macro.
352 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
353 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
354 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
356 2006-10-29 Roger Sayle <roger@eyesopen.com>
358 PR tree-optimization/15458
359 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
362 2006-10-29 Richard Guenther <rguenther@suse.de>
364 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
365 (ix86_expand_truncdf_32): Likewise.
366 * config/i386/i386.c (ix86_expand_trunc): New function expanding
367 trunc inline for SSE math and -fno-trapping-math and if not
369 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
370 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
371 for expanding btrunc inline for SSE math.
373 2006-10-29 Joseph Myers <joseph@codesourcery.com>
375 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
376 Handle tuning for bi-arch i[34567]86-*-linux* like that for
377 i[34567]86-*-solaris2.1[0-9]*.
378 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
379 Define conditionally depending on TARGET_64BIT_DEFAULT.
380 (SPEC_32, SPEC_64): Define.
381 (LINK_SPEC): Use them.
382 * doc/install.texi (--enable-targets=all): Document for x86-linux.
384 2006-10-29 Richard Guenther <rguenther@suse.de>
386 * config/i386/i386-protos.h (ix86_expand_round): Declare.
387 (ix86_expand_rounddf_32): Likewise.
388 * config/i386/i386.c (ix86_expand_round): New function expanding
389 round inline for SSE math and -fno-trapping-math and if not
391 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
392 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
393 round via ix86_expand_round.
395 2006-10-29 Richard Guenther <rguenther@suse.de>
397 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
398 (ix86_expand_floorceildf_32): Likewise.
399 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
400 static helper function.
401 (ix86_expand_floorceil): Expander for floor and ceil to SSE
403 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
404 * config/i386/i386.md (floordf2): Adjust to enable floor
405 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
406 -fno-trapping-math is enabled and if not optimizing for size.
407 (floorsf2, ceildf2, ceilsf2): Likewise.
408 * config/i386/sse.md (sse_maskcmpsf3): New insn.
409 (sse2_maskcmpdf3): Likewise.
411 2006-10-29 Richard Guenther <rguenther@suse.de>
413 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
414 rint in case -fno-trapping-math is enabled.
415 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
416 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
417 (ix86_expand_sse_fabs): Likewise.
418 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
419 * config/i386/i386.md (rintdf2): Enable for SSE math if
420 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
423 2006-10-29 Richard Guenther <rguenther@suse.de>
425 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
426 to conversion optabs.
427 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
429 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
430 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
431 (lfloor_optab, lceil_optab): Adjust defines.
432 * builtins.c (expand_builtin_int_roundingfn): Adjust for
433 lfloor and lceil optabs now being conversion optabs.
434 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
435 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
436 New static helper function.
437 (ix86_expand_lfloorceil): New function to expand lfloor and
439 * config/i386/i386.md (lfloor<mode>2): Split into ...
440 (lfloorxf<mode>2): ... x87 variant
441 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
442 using ix86_expand_lfloorceil.
443 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
445 * doc/md.texi (lfloorMN, lceilMN): Document.
447 2006-10-29 Richard Sandiford <richard@codesourcery.com>
449 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
450 -mno-shared assembler option on mips targets.
451 * configure, config.in: Regenerate.
452 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
453 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
454 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
456 2006-10-29 Richard Sandiford <richard@codesourcery.com>
458 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
459 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
461 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
463 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
464 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
467 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
470 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
471 (fold_builtin_pow): Evaluate constant arguments at compile-time
473 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
474 (do_mpfr_ckconv): New helper function.
475 (do_mpfr_arg1): Use do_mpfr_ckconv.
478 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
481 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
482 (-fdump-rtl-sched): Rename to ..
483 (-fdump-rtl-sched1): here. Also fix file extension number.
485 2006-10-28 Richard Guenther <rguenther@suse.de>
487 * fold-const.c (maybe_canonicalize_comparison): Fix code
490 2006-10-28 Uros Bizjak <uros@kss-loka.si>
492 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
493 (NON_QI_REG_P): Use IN_RANGE.
494 (REX_INT_REGNO_P): Use IN_RANGE.
495 (FP_REGNO_P): Use IN_RANGE.
496 (SSE_REGNO_P): Use IN_RANGE.
497 (REX_SSE_REGNO_P): Use IN_RANGE.
498 (MMX_REGNO_P): Use IN_RANGE.
499 (STACK_REGNO_P): New macro.
500 (STACK_REG_P): Use STACK_REGNO_P.
501 (NON_STACK_REG_P): Use STACK_REGNO_P.
502 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
503 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
504 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
505 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
506 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
508 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
510 * except.h (output_function_exception_table): Add 'const char*' param.
511 * except.c (switch_to_exception_section): Add 'const char*' param.
512 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
513 and flag_function_sections is set, use a function-specific section.
514 (output_function_exception_table): Add 'const char*' param.
515 Adjust call to switch_to_exception_section.
516 * final.c (rest_of_handle_final): Adjust calls to
517 output_function_exception_table.
518 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
519 * config.in: Regenerate.
520 * configure: Likewise.
522 2006-10-28 Richard Guenther <rguenther@suse.de>
525 * fold-const.c (maybe_canonicalize_comparison_1): Helper
526 for maybe_canonicalize_comparison.
527 (maybe_canonicalize_comparison): New function for canonicalizing
529 (fold_comparison): Call it to canonicalize comparisons with
532 2006-10-28 Richard Guenther <rguenther@suse.de>
535 * builtins.c (expand_builtin_int_roundingfn_2): Expand
536 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
537 (expand_builtin): Adjust likewise.
538 * genopinit.c (optabs[]): Add lround optab.
539 * optabs.c (init_optabs): Initialize lround_optab.
540 * optabs.h (enum convert_optab_index): Add COI_lround.
541 (lround_optab): Define.
542 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
543 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
545 (ix86_expand_lround): New function.
546 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
548 * doc/md.texi (lroundMN2): Document.
550 2006-10-28 Uros Bizjak <uros@kss-loka.si>
553 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
554 argument to HOST_WIDE_INT. Update function prototype.
555 (round_frame_size): Change return type to HOST_WIDE_INT. Change
556 "size" argument to HOST_WIDE_INT. Update function prototype.
558 2006-10-28 Uros Bizjak <uros@kss-loka.si>
560 * config/i386/i386.c (output_387_ffreep): Create output from a
561 template string for !HAVE_AS_IX86_FFREEP.
563 2006-10-27 Eric Christopher <echristo@apple.com>
565 * config/darwin.c: Fix formatting and grammar.
567 2006-10-27 Jan Hubicka <jh@suse.cz>
569 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
570 to be thrown away soon when IGNORE is set.
571 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
572 indicating when return value shall not be computed.
573 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
575 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
577 * config/i386/i386.h (TARGET_GEODE):
578 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
579 (TARGET_CPU_DEFAULT_geode): New macro.
580 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
581 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
582 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
583 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
584 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
586 (TARGET_CPU_DEFAULT_NAMES): Add geode.
587 (processor_type): Add PROCESSOR_GEODE.
589 * config/i386/i386.md: Include geode.md.
592 * config/i386/i386.c (geode_cost): New initialized global
594 (m_GEODE, m_K6_GEODE): New macros.
595 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
596 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
597 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
598 x86_schedule): Use m_K6_GEODE instead of m_K6.
599 (x86_movx, x86_cmove): Set up m_GEODE.
600 (x86_integer_DFmode_moves): Clear m_GEODE.
601 (processor_target_table): Add entry for geode.
602 (processor_alias_table): Ditto.
604 * config/i386/geode.md: New file.
606 * doc/invoke.texi: Add entry about geode processor.
608 2006-10-27 Mike Stump <mrs@apple.com>
610 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
611 __DYNAMIC__ from here back to ...
612 * config/darwin.h (CPP_SPEC): ... here.
614 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
615 Nathan Sidwell <nathan@codesourcery.com>
617 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
618 when choosing the minimum heapsize.
620 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
622 * gcc/unwind-dw2.h: Move cfa-related variables into
623 struct frame_state_reg_info to ensure that the CFA is properly
624 handled when executing DW_CFA_{remember,restore}_state.
625 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
626 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
627 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
628 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
629 gcc/config/rs6000/linux-unwind.h,
630 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
631 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
632 Modify to use new cfa_* fields.
634 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
636 * config/s390/s390.c (s390_init_frame_layout): Check positive
639 2006-10-26 Ben Elliston <bje@au.ibm.com>
641 * gimplify.c (get_name): Remove extraneous break.
642 (gimplify_omp_for): Initialise ret with GS_OK.
644 2006-10-25 Steve Ellcey <sje@cup.hp.com>
646 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
647 Add unix98.o to link line.
649 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
652 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
653 Calculate compile-time constants using MPFR.
654 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
655 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
657 2006-10-25 Bob Wilson <bob.wilson@acm.org>
659 * config/xtensa/lib2funcs.S: Use C-style comments.
661 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
663 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
664 (file_table_relative_p): Likewise.
665 (dwarf2out_finish): Likewise.
666 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
668 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
670 * tree-ssa-structalias.c (intra_create_variable_infos):
671 Don't recreate nonlocal_all if it already exists.
673 2006-10-25 Richard Guenther <rguenther@suse.de>
676 * optabs.h (enum optab_index): Remove OTI_lrint.
677 (enum convert_optab_index): Add COI_lrint.
678 (lrint_optab): Adjust.
679 (expand_sfix_optab): Declare.
680 * optabs.c (expand_sfix_optab): New function.
681 (init_optabs): Init lrint_optab as conversion optab.
682 * genopinit.c (lrint_optab): Change to a conversion optab.
683 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
684 expansion via conversion optab.
685 * config/i386/i386.md (*fistdi2_1): Remove
686 flag_unsafe_math_optimizations guard.
687 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
688 fist<mode>2_with_temp): Likewise.
689 (lrint<mode>2): Split into...
690 (lrintxf<mode>2): ... x87 part
691 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
692 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
693 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
694 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
695 * doc/md.texi (lrintMN2): Document.
697 2006-10-25 Uros Bizjak <uros@kss-loka.si>
700 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
701 Use inc and dec instructions for TARGET_USE_INCDEC.
702 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
703 ("sync_double_compare_and_swap<mode>"): Likewise.
704 ("*sync_double_compare_and_swapdi_pic"): Likewise.
705 ("*sync_compare_and_swap_cc<mode>"): Likewise.
706 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
707 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
708 ("sync_old_add<mode>"): Likewise.
709 ("sync_lock_test_and_set<mode>"): Likewise.
710 ("sync_lock_test_and_set<mode>"): Likewise.
711 ("sync_add<mode>"): Likewise.
712 ("sync_sub<mode>"): Likewise.
713 ("sync_ior<mode>"): Likewise.
714 ("sync_and<mode>"): Likewise.
715 ("sync_xor<mode>"): Likewise.
717 2006-10-25 Uros Bizjak <uros@kss-loka.si>
719 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
720 (remainder_optab): Define corresponding macro.
721 (drem_optab): Remove.
722 * optabs.c (init_optabs): Initialize remainder_optab. Remove
723 drem_optab initialization.
724 * genopinit.c (optabs): Implement remainder_optab using
725 remainder?f3 patterns. Remove drem_optab.
726 * builtins.c (expand_builtin_mathfn_2): Handle
727 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
728 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
729 expand_builtin_mathfn_2.
731 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
732 depend on flag_unsafe_math_optimizations.
734 * config/i386/i386.md ("remaindersf3", "remainderdf3")
735 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
736 Do not depend on flag_unsafe_math_optimizations. Use
737 truncxf?f expander instead of truncxf?f_i387_noop.
739 ("fpremxf4", "fprem1xf4"): Do not depend on
740 flag_unsafe_math_optimizations.
741 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
742 flag_unsafe_math_optimizations. Use truncxf?f expander
743 instead of truncxf?f_i387_noop.
745 * doc/md.texi (fmod, remainder): Document standard named pattern.
747 2006-10-24 Richard Sandiford <richard@codesourcery.com>
748 David Daney <ddaney@avtrex.com>
751 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
753 2006-10-25 Ben Elliston <bje@au.ibm.com>
755 * doc/extend.texi (Variable Attributes): Typo fix.
757 2006-10-24 Uros Bizjak <uros@kss-loka.si>
759 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
760 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
761 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
762 (FRAME_POINTER_REGNUM): Update register number to 21.
763 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
764 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
766 * config/i386/i386.c (regclass_map): Add fpcr entry.
767 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
769 (print_reg): Assert REGNO (x) != FPCR_REG.
771 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
772 (DIRFLAG_REG): Renumber.
773 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
774 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
775 (sse_prologue_save, *sse_prologue_save_insn): Renumber
776 hardcoded SSE register numbers.
778 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
779 hardcoded MMX register numbers.
781 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
784 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
785 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
787 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
788 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
789 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
790 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
792 2006-10-24 Richard Guenther <rguenther@suse.de>
795 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
796 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
797 for deciding optimizations in consistency with fold-const.c
798 (fold_builtin_unordered_cmp): Likewise.
800 2006-10-24 Richard Guenther <rguenther@suse.de>
802 * builtins.c (fold_builtin_floor): Fold floor (x) where
803 x is nonnegative to trunc (x).
804 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
805 nonnegative to FIX_TRUNC_EXPR.
807 2006-10-24 Richard Guenther <rguenther@suse.de>
809 PR tree-optimization/29567
810 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
811 for TRUTH_NOT_EXPR. Clarify comments.
813 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
816 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
817 at compile-time using MPFR. Change parameter VALUE to FUNC,
819 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
820 for overflow and underflow at all times and avoid folding in
823 2006-10-24 Ben Elliston <bje@au.ibm.com>
825 * reload1.c: Formatting fixes.
827 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
829 PR tree-optimization/14784
830 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
831 * tree-ssa-structalias.c (get_constraint_for,
832 intra_create_variable_infos): Set is_heapvar.
833 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
834 non-heapvar pointer variables specially.
836 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
839 * builtins.c (fold_builtin_sin, fold_builtin_cos,
840 fold_builtin_tan): Fold all constant arguments. Take a "type"
841 argument as necessary.
843 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
845 2006-10-23 Bob Wilson <bob.wilson@acm.org>
847 * config/xtensa/lib1funcs.asm: Use C-style comments.
849 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
851 * tree.c (local_define_builtin): Replace calls to
852 lang_hooks.builtin_function with add_builtin_function.
853 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
855 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
857 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
858 common code to add_builtin_function.
859 * langhooks.c (add_builtin_function): New function.
860 (lhd_builtin_function): New function.
861 * langhooks.h (struct lang_hooks): Change the signature of
863 (add_builtin_function): New function.
864 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
865 calls to lang_hooks.builtin_function with add_builtin_function.
866 * c-common.c (decl_builtin_1): Replace calls to
867 lang_hooks.builtin_function with add_builtin_function.
868 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
869 lang_hooks.builtin_function with add_builtin_function.
870 * config/frv/frv.c (def_builtin): Replace calls to
871 lang_hooks.builtin_function with add_builtin_function.
872 * config/s390/s390.c (s390_init_builtins): Replace calls to
873 lang_hooks.builtin_function with add_builtin_function.
874 * config/sparc/sparc.c (def_builtin): Replace calls to
875 lang_hooks.builtin_function with add_builtin_function.
876 * config/i386/i386.c (def_builtin): Replace calls to
877 lang_hooks.builtin_function with add_builtin_function.
878 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
879 lang_hooks.builtin_function with add_builtin_function.
880 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
881 lang_hooks.builtin_function with add_builtin_function.
882 * config/stormy16/stormy16.c (xstormy16_init_builtins):
883 Replace calls to lang_hooks.builtin_function with
884 add_builtin_function.
885 * config/iq2000/iq2000.c (def_builtin):
886 Replace calls to lang_hooks.builtin_function with
887 add_builtin_function.
888 * config/ia64/ia64.c (def_builtin): Replace calls to
889 lang_hooks.builtin_function with add_builtin_function.
890 * config/rs6000/rs6000.c (def_builtin): Replace calls to
891 lang_hooks.builtin_function with add_builtin_function.
892 (altivec_init_builtins): Replace calls to
893 lang_hooks.builtin_function with add_builtin_function.
894 * config/arm/arm.c (def_mbuiltin): Replace calls to
895 lang_hooks.builtin_function with add_builtin_function.
896 (arm_init_tls_builtins): Replace calls to
897 lang_hooks.builtin_function with add_builtin_function.
898 * config/mips/mips.c (mips_init_builtins): Replace calls to
899 lang_hooks.builtin_function with add_builtin_function.
900 * config/bfin/bfin.c (def_builtin): Replace calls to
901 lang_hooks.builtin_function with add_builtin_function.
902 * langhooks-def.h (lhd_builtin_function): New function.
903 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
905 2006-10-23 Jakub Jelinek <jakub@redhat.com>
907 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
908 BUILT_IN_STRNCAT_CHK.
910 2006-10-23 Jan Hubicka <jh@suse.cz>
912 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
913 don't do conversion from memmove to memcpy here.
914 (expand_builtin_bcopy, expand_builtin): Update call of
915 expand_builtin_memmove.
916 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
918 2006-10-23 Paul Brook <paul@codesourcery.com>
920 * stor-layout.c (start_record_layout): maximum_field_alignment
921 overrides STRUCTURE_SIZE_BOUNDARY.
923 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
925 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
926 nonlocal function symbols if flag_pic.
928 2006-10-23 Richard Guenther <rguenther@suse.de>
932 * builtins.c (fold_binary): Remove checks for flag_wrapv
933 and flag_trapv where negate_expr_p covers these cases.
935 2006-10-23 Richard Guenther <rguenther@suse.de>
938 * fold-const.c (fold_plusminus_mult_expr): Check exact power
939 of two on the absolute value.
940 (fold_binary): Fold x * -C to -x * C if x is easily negatable
941 and negating -C does not overflow.
943 2006-10-23 Richard Guenther <rguenther@suse.de>
946 * convert.c (convert_to_real): Fold (float)-x to -(float)x
947 only if not flag_rounding_math.
949 2006-10-22 Richard Sandiford <richard@codesourcery.com>
950 Kaz Kojima <kkojima@gcc.gnu.org>
953 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
954 SImode memory reference for the source of a movua.
955 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
956 (movua): Use an unspec instead of sign_extract. Expect the source
957 to have mode BLKmode.
958 (extv, insv): Use a BLKmode rather than SImode memory reference
959 for the source of a movua.
961 2006-10-22 Jeff Law <law@redhat.com>
962 Richard Guenther <rguenther@suse.de>
964 PR tree-optimization/15911
965 * tree-vrp.c (extract_code_and_val_from_cond): New function.
966 (register_edge_assert_for_1): Likewise.
967 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
968 (find_conditional_asserts): Adjust for new function signature.
969 (find_assert_locations): Likewise.
971 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
973 * config/i386/tmmintrin.h: Remove the duplicated content.
975 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
977 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
978 (x86_64-*-*): Likewise.
980 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
981 (override_options): Check SSSE3.
982 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
983 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
984 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
985 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
986 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
987 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
988 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
989 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
990 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
991 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
992 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
993 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
994 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
995 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
996 IX86_BUILTIN_PABSD128.
997 (bdesc_2arg): Add SSSE3.
998 (bdesc_1arg): Likewise.
999 (ix86_init_mmx_sse_builtins): Support SSSE3.
1000 (ix86_expand_builtin): Likewise.
1001 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
1003 * config/i386/i386.md (UNSPEC_PSHUFB): New.
1004 (UNSPEC_PSIGN): Likewise.
1005 (UNSPEC_PALIGNR): Likewise.
1006 Include mmx.md before sse.md.
1008 * config/i386/i386.opt: Add -mssse3.
1010 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
1011 (ssse3_phaddwv4hi3): Likewise.
1012 (ssse3_phadddv4si3): Likewise.
1013 (ssse3_phadddv2si3): Likewise.
1014 (ssse3_phaddswv8hi3): Likewise.
1015 (ssse3_phaddswv4hi3): Likewise.
1016 (ssse3_phsubwv8hi3): Likewise.
1017 (ssse3_phsubwv4hi3): Likewise.
1018 (ssse3_phsubdv4si3): Likewise.
1019 (ssse3_phsubdv2si3): Likewise.
1020 (ssse3_phsubswv8hi3): Likewise.
1021 (ssse3_phsubswv4hi3): Likewise.
1022 (ssse3_pmaddubswv8hi3): Likewise.
1023 (ssse3_pmaddubswv4hi3): Likewise.
1024 (ssse3_pmulhrswv8hi3): Likewise.
1025 (ssse3_pmulhrswv4hi3): Likewise.
1026 (ssse3_pshufbv16qi3): Likewise.
1027 (ssse3_pshufbv8qi3): Likewise.
1028 (ssse3_psign<mode>3): Likewise.
1029 (ssse3_psign<mode>3): Likewise.
1030 (ssse3_palignrti): Likewise.
1031 (ssse3_palignrdi): Likewise.
1032 (abs<mode>2): Likewise.
1033 (abs<mode>2): Likewise.
1035 * config/i386/tmmintrin.h: New file.
1037 * doc/extend.texi: Document SSSE3 built-in functions.
1039 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1041 2006-10-22 Ira Rosen <irar@il.ibm.com>
1043 * tree-vect-transform.c (vectorizable_load): Use the type of the
1044 return value of the mask_for_load builtin to create realign_load
1047 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1049 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
1052 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
1054 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
1055 (UNSPEC_LDDQU): This.
1056 * config/i386/sse.md (sse3_lddqu): Updated.
1058 2006-10-21 Richard Guenther <rguenther@suse.de>
1060 * builtins.c (expand_builtin_int_roundingfn_2): New function.
1061 (expand_builtin): Use it to expand lrint instead of
1062 expand_builtin_mathfn.
1064 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1067 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
1068 flag_unsafe_math_optimizations is set.
1070 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1073 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
1074 patterns to use memory input operand in x87->mem->XMM
1075 reload sequences. Skip transformation for TARGET_K8.
1077 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1079 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
1080 force operand1 to register if both operands are memory operands.
1081 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
1082 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
1083 if both operands are memory operands.
1084 (truncdfsf2): Do not force operand1 to register if both operands
1085 are memory operands.
1087 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1089 * Makefile.in (LIBS): Add $(GMPLIBS).
1090 * doc/install.texi: Update GMP and MPFR requirements.
1091 * doc/sourcebuild.texi (need_gmp): Delete.
1093 2006-10-21 Richard Guenther <rguenther@suse.de>
1095 PR tree-optimization/3511
1096 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1097 got new invariant arguments during PHI translation.
1099 2006-10-21 Richard Guenther <rguenther@suse.de>
1102 * fold-const.c (fold_comparison): Fold signed comparisons
1103 of the form X +- C1 CMP Y +- C2.
1105 2006-10-21 Richard Guenther <rguenther@suse.de>
1108 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1109 if flag_unsafe_math_optimizations is specified. We have
1110 flag_finite_math_only for that.
1111 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1112 or flag_unsafe_math_optimizations.
1114 2006-10-21 Richard Guenther <rguenther@suse.de>
1116 * builtins.c (fold_builtin_classify): Fix typo.
1118 2006-10-21 Richard Guenther <rguenther@suse.de>
1121 * simplify-rtx.c (simplify_const_relational_operation):
1122 Do not constant-fold ORDERED and UNORDERED for
1123 flag_unsafe_math_optimizations but only we do not need to
1124 honor NaNs for the given mode.
1126 2006-10-21 Richard Guenther <rguenther@suse.de>
1129 * config/i386/i386.c (classify_argument): Remove redundant
1130 walking of the BINFOs.
1131 (contains_128bit_aligned_vector_p): Likewise.
1133 2006-10-20 Mark Mitchell <mark@codesourcery.com>
1135 * BASE-VER: Set to 4.3.0.
1137 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
1139 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1140 (tree_decl_with_vis): Remove artificial_pta_var flag.
1141 * tree-flow.h (referenced_var_check_and_insert): Expose.
1142 (nonlocal_all): New prototype.
1143 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1144 (nonlocal_all): Make global.
1145 (nonlocal_lookup): Remove.
1146 (nonlocal_insert): Ditto.
1147 (create_nonlocal_var): Do not call nonlocal_insert.
1148 (get_nonlocal_id_for_type): Remove.
1149 (find_global_initializers): Mark new vars we find for renaming.
1150 (intra_create_variable_infos): Only create one nonlocal.
1151 (expand_nonlocal_solutions): Remove.
1152 (compute_points_to_sets): Don't call it.
1153 (ipa_pta_execute): Ditto.
1154 (init_alias_heapvars): Don't create nonlocal_for_type.
1155 (delete_alias_heapvars): Don't remove it.
1156 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1159 2006-10-19 Brooks Moses <bmoses@stanford.edu>
1161 * doc/install.texi (Downloading GCC): Clarify mention of
1162 Fortran in the "full distribution" description.
1164 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
1166 Fix PR tree-optimization/28778
1167 Fix PR tree-optimization/29156
1168 Fix PR tree-optimization/29415
1169 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1170 (tree_decl_with_vis): Add artificial_pta_var flag.
1171 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1172 pushed into callers.
1173 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1174 (nonlocal_all): Ditto.
1175 (struct variable_info): Add directly_dereferenced member.
1176 (var_escaped_vars): New variable.
1177 (escaped_vars_tree): Ditto.
1178 (escaped_vars_id): Ditto.
1179 (nonlocal_vars_id): Ditto.
1180 (new_var_info): Set directly_dereferenced.
1181 (graph_size): New variable
1182 (build_constraint_graph): Use graph_size.
1183 (solve_graph): Don't process constraints that cannot change the
1184 solution, don't try to propagate an empty solution to our
1186 (process_constraint): Set directly_dereferenced.
1187 (could_have_pointers): New function.
1188 (get_constraint_for_component_ref): Don't process STRING_CST.
1189 (nonlocal_lookup): New function.
1190 (nonlocal_insert): Ditto.
1191 (create_nonlocal_var): Ditto.
1192 (get_nonlocal_id_for_type): Ditto.
1193 (get_constraint_for): Allow results vector to be empty in the case
1194 of string constants.
1195 Handle results of calls properly.
1196 (update_alias_info): Update alias info stats on number and type of
1198 (find_func_aliases): Use could_have_pointers.
1199 (make_constraint_from_escaped): Renamed from
1200 make_constraint_to_anything, and changed to make constraints from
1202 (make_constraint_to_escaped): New function.
1203 (find_global_initializers): Ditto.
1204 (create_variable_info_for): Make constraint from escaped to any
1205 global variable, and from any global variable to the set of
1207 (intra_create_variable_infos): Deal with escaped instead of
1208 pointing to anything.
1209 (set_uids_in_ptset): Do type pruning on directly dereferenced
1211 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1212 (init_base_vars): Fix comment, and initialize escaped_vars.
1213 (need_to_solve): Removed.
1214 (find_escape_constraints): New function.
1215 (expand_nonlocal_solutions): Ditto.
1216 (compute_points_to_sets): Call find_escape_constraints and
1217 expand_nonlocal_solutions.
1218 (delete_points_to_sets): Don't fall off the end of the graph.
1219 (init_alias_heapvars): Initialize nonlocal_for_type and
1221 (delete_alias_heapvars): Free nonlocal_for_type and null out
1224 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1226 * fold-const.c (add_double): Rename to add_double_with_sign.
1227 Add 'unsigned_p' parameter and take it into account for the overflow.
1228 (mul_double): Rename to mul_double_with_sign.
1229 Add 'unsigned_p' parameter and take it into account for the overflow.
1230 (fold_div_compare): Call add_double_with_sign instead of add_double
1231 and mul_double_with_sign instead of mul_double, passing them the
1232 unsignedness of the type.
1233 * tree.h (add_double): Macroize.
1234 (add_double_with_sign): New prototype.
1235 (mul_double): Macroize.
1236 (mul_double_with_sign): New prototype.
1238 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1240 * config/score/crti.asm: New file.
1241 * config/score/crtn.asm: New file.
1242 * config/score/elf.h: New file.
1243 * config/score/mac.md: New file.
1244 * config/score/misc.md: New file.
1245 * config/score/mul-div.S: New file.
1246 * config/score/predicates.md: New file.
1247 * config/score/score7.md: New file.
1248 * config/score/score.c: New file.
1249 * config/score/score-conv.h: New file.
1250 * config/score/score.h: New file.
1251 * config/score/score.md: New file.
1252 * config/score/score-mdaux.c: New file.
1253 * config/score/score-mdaux.h: New file.
1254 * config/score/score-modes.def: New file.
1255 * config/score/score.opt: New file.
1256 * config/score/score-protos.h: New file.
1257 * config/score/score-version.h: New file.
1258 * config/score/t-score-elf: New file.
1259 * config.gcc: Add score*-*-* configurations(Update before).
1260 * doc/invoke.texi (Score Options): New section.
1261 * doc/md.texi (Score family): New section to document constraints.
1263 2006-10-19 Nick Clifton <nickc@redhat.com>
1265 * config/arm/arm.c: Fix spelling typo.
1267 2006-10-18 Tom Tromey <tromey@redhat.com>
1269 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1271 2006-10-18 Jan Hubicka <jh@suse.cz>
1274 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1277 2006-10-18 Marcin Dalecki <martin@dalecki.de>
1279 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1280 TSI_SAME_STMT, since that's the desired entity.
1282 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
1284 * config/s390/contraints.md: New file.
1285 * config/s390/s390-protos.h (s390_mem_constraint,
1286 s390_O_constraint_str, s390_N_constraint_str,
1287 s390_float_const_zero_p): Function prototypes added.
1288 * config/s390/s390.c (s390_extra_constraint_str,
1289 s390_const_double_ok_for_constraint_p,
1290 s390_const_ok_for_constraint_p): Functions removed.
1291 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1292 s390_float_const_zero_p): New functions.
1293 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1294 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1295 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1296 Macro definitions removed.
1297 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1298 s390_extra_constraint_str): Functions removed.
1300 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
1301 Richard Sandiford <richard@codesourcery.com>
1304 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1305 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1307 2006-10-16 Geoffrey Keating <geoffk@apple.com>
1309 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1310 (DWARF2_FRAME_REG_OUT): Likewise.
1311 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1312 (DWARF2_FRAME_REG_OUT): Likewise.
1314 2006-10-17 Paul Brook <paul@codesourcery.com>
1316 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1318 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1320 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1321 Standardize on "GNU Fortran" as the official name of the Fortran
1324 2006-10-16 Mike Stump <mrs@apple.com>
1326 * doc/invoke.texi (Darwin Options): Document -mkernel.
1327 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1329 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1330 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1331 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1332 (OS_MISSING_ALTIVEC): Add.
1333 * config/i386/i386.c (override_options): Add
1334 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1335 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1336 -mkernel, -static or -mdynamic-no-pic is given.
1337 (C_COMMON_OVERRIDE_OPTIONS): Add.
1338 * config/darwin.opt (fapple-kext): Add.
1340 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1341 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1343 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1344 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1345 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1346 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1347 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1348 (flag_mkernel): Add.
1349 (flag_apple_kext): Add.
1350 (TARGET_KEXTABI): Add.
1351 * config/darwin.c (darwin_handle_kext_attribute): Add.
1352 (DARWIN_VTABLE_P): Add.
1353 (darwin_binds_local_p): Add partial support for rebinding vtables
1355 (darwin_kextabi_p): Add.
1356 (darwin_override_options): Add.
1357 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1358 (darwin_kextabi_p): Add.
1359 (darwin_override_options): Add.
1360 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1361 __DYNAMIC__ and __STATIC__ here.
1363 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1365 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1366 Added mention of "make pdf" target, and Texinfo requirements for
1369 2006-10-16 DJ Delorie <dj@redhat.com>
1371 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1372 into the GOT in case we need a subreg of the address.
1374 2006-10-16 Richard Guenther <rguenther@suse.de>
1377 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1378 SSE builtin documentation. Document SSE2 builtins.
1380 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1382 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1383 symbol in the output file for non-shared links when -nostdlib or
1384 -nodefaultlibs isn't specified.
1386 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1387 posix thread support.
1389 2006-10-15 Jan Hubicka <jh@suse.cz>
1392 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1393 declared always_inline even when not inlining.
1395 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1396 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1397 Andrew Pinski <pinskia@gmail.com>
1400 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1402 2006-10-15 Jan Hubicka <jh@suse.cz>
1403 Richard Guenther <rguenther@suse.de>
1406 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1407 process_function_and_variable_attributes on all variables, including
1408 those discovered during cgraph construction phase.
1410 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1412 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1414 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1416 * config/i386/athlon.md (athlon_fist): Add fisttp.
1418 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1419 Ian Lance Taylor <ian@airs.com>
1422 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1423 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1426 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1428 * config/score/score.c, config/score/score.h: Fix comment
1431 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1434 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1437 2006-10-13 Eric Christopher <echristo@apple.com>
1439 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1441 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1444 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1445 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1446 alignment supported by 32-bit ELF.
1448 2006-10-13 Eric Christopher <echristo@apple.com>
1450 * config/darwin.c (darwin_emit_unwind_label): Strip
1451 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1453 2006-10-13 Richard Guenther <rguenther@suse.de>
1455 PR tree-optimization/29446
1456 * tree-vrp.c (fix_equivalence_set): Remove.
1457 (extract_range_from_assert): Do not call fix_equivalence_set.
1458 (debug_value_range): Print a newline.
1459 (compare_name_with_value): For equivalence sets with
1460 inconsistent value ranges conservatively bail out.
1461 (compare_names): Likewise.
1463 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1465 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1466 and MPFR for gfortran.
1468 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1470 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1471 alignment supported by 32-bit ELF.
1473 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1477 * c-typeck.c (digest_init): Always allow initializing vectors
1478 that have static storage duration with compound literals.
1479 * tree.c (build_type_attribute_qual_variant): New, based on
1480 build_type_attribute_variant.
1481 (build_type_attribute_variant): Rewrite using the former.
1482 (make_vector_type): Use build_type_attribute_qual_variant to build
1483 type variants. Use type_hash_canon on the others.
1485 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1486 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1488 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1490 2006-10-12 Jan Hubicka <jh@suse.cz>
1493 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1494 current_function_decl is set but current_function_scope is not.
1496 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1498 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1499 emit_insn to emit eh_return_internal instruction.
1500 (eh_return_internal): Explicitly set pc.
1502 2006-10-11 Richard Guenther <rguenther@suse.de>
1504 PR tree-optimization/28230
1505 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1506 to the correct place.
1508 2006-10-11 Richard Guenther <rguenther@suse.de>
1511 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1514 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1516 * configure.ac: Added pdf to "Make-hooks"
1517 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1518 targets and *.pdf file patterns in cleanup targets.
1519 * configure: Regenerated.
1521 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1523 * config/avr/predicates.md: New file.
1524 * config/avr/avr.md: Include it.
1525 (REG_SP): New constant.
1526 (peepholes): Use predicates.
1527 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1528 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1529 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1531 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1533 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1536 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1539 * builtins.c (var_decl_component_p): New function.
1540 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1541 single entry optimization to variables and components thereof.
1543 2006-10-10 Richard Guenther <rguenther@suse.de>
1545 PR rtl-optimization/29323
1546 * except.c (set_nothrow_function_flags): For functions
1547 that do not bind local bail out early.
1549 2006-10-10 Ben Elliston <bje@au.ibm.com>
1551 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1554 2006-10-09 Richard Henderson <rth@redhat.com>
1556 Revert emutls patch.
1558 2006-10-09 Richard Guenther <rguenther@suse.de>
1561 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1564 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1567 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1568 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1569 * configure: Regenerate.
1570 * config.in: Regenerate.
1572 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1574 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1576 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1578 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1579 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1580 Remove stray newline.
1582 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1584 * config/mips/mips.c (mips_classify_symbol): Do not return
1585 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1586 (mips_in_small_data_p): Tweak comments.
1588 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1590 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1592 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1594 * gimplify.c, sched-int.h: Fix comment typos.
1596 * sched-int.h: Fix comment typos.
1598 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1600 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1602 * sched-ebb.c (begin_schedule_ready): Use them.
1603 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1604 add_to_speculative_block, create_check_block_twin, speculate_insn,
1605 fix_jump_move, move_block_after_check): Ditto.
1606 * sched-rgn.c (new_ready): Ditto.
1608 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1610 PR rtl-optimization/29128
1611 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1612 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1613 allow interblock movement of speculation checks.
1615 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1618 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1619 casted to integer type.
1620 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1621 if they are significantly more expensive than [reg + index] ones.
1623 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1625 PR tree-optimization/29330
1626 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1627 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1628 on newly allocated ddrs.
1629 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1630 to VEC (loop_p, heap) pointer.
1631 (compute_data_dependences_for_loop): Adjust caller.
1632 (free_dependence_relations): Free DDR_LOOP_NEST.
1634 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1635 free DEPENDENCE_RELATIONS and DATAREFS.
1638 * builtins.c (expand_builtin_sync_operation,
1639 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1640 Use convert_to_mode to handle promoted arguments.
1642 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1644 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1646 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1648 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1650 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1652 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1653 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1654 Use <modeconstraint> instead of "r" as operand 1 constraint.
1656 2006-10-06 Olivier Hainque <hainque@adacore.com>
1658 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1659 Don't recurse on the pointed-to type.
1660 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1661 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1662 types with components of variable size.
1664 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1666 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1668 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1670 PR tree-optimization/29290
1671 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1675 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1676 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1679 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1680 the number of vector elements fill the rest with zeros.
1682 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1684 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1685 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1688 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1690 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1691 unnamed pattern into subsi3. Use correct constraints/predicates.
1692 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1693 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1695 2006-10-05 Ira Rosen <irar@il.ibm.com>
1697 * doc/loop.texi: Add data references analysis description.
1699 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1701 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1703 2006-10-04 Richard Henderson <rth@redhat.com>
1704 Jakub Jelinek <jakub@redhat.com>
1706 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1707 * builtin-types.def (BT_WORD): Make unsigned.
1708 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1709 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1710 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1711 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1712 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1713 * cgraph.c (decide_is_variable_needed): Look at force_output.
1714 Recurse for emulated tls.
1715 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1716 checks redundant with decide_is_variable_needed.
1717 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1718 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1720 * expr.c (emutls_var_address): New.
1721 (expand_expr_real_1): Expand emulated tls.
1722 (expand_expr_addr_expr_1): Likewise.
1723 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1724 * output.h (emutls_finish): Declare.
1725 * toplev.c (compile_file): Call it.
1726 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1727 address before wrapping in CONST.
1728 * varasm.c (emutls_htab, emutls_object_type): New.
1729 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1730 (get_emutls_object_name, get_emutls_object_type): New.
1731 (get_emutls_init_templ_addr, emutls_decl): New.
1732 (emutls_common_1, emutls_finish): New.
1733 (assemble_variable): When emulating tls, swap decls; generate
1734 constructor for the emutls objects.
1735 (do_assemble_alias): When emulating tls, swap decl and target name.
1736 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1738 * emutls.c: New file.
1739 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1740 tls_object for real tls.
1742 2006-10-04 Zack Weinberg <zackw@panix.com>
1744 Fix bug in constraint-check generator, reported by Rask Ingemann
1746 * genpreds.c (add_constraint): Don't remove anything from the
1748 (write_tm_constrs_h): Detect whether "op" argument is used, and
1749 mark it ARG_UNUSED if it isn't.
1750 (write_insn_const_int_ok_for_constraint): Skip the part of the
1751 expression that would test whether "op" (which is not available
1752 here) is a CONST_INT.
1754 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1757 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1759 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1761 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1762 current Leopard versions.
1763 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1765 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1767 * doc/install.texi: Fix typos.
1769 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1771 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1772 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1773 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1775 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1777 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1778 arg to be struct mach_header_64* instead.
1780 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1783 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1784 side effects after the outer expression's post side effects.
1786 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1788 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1789 comments to reflect actual behavior and relationship between
1790 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1792 * doc/c-tree.texi (Working with declarations): Fix documentation
1793 of FIELD_DECL likewise.
1795 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1798 * doc/extend.texi: Add used variable attribute description.
1800 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1803 * c.opt (Woverride-init): New.
1804 * c-opts.c (c_common_post_options): Default warn_override_init to
1806 * c-typeck.c (add_pending_init, output_init_element): Warn for
1807 overriding initializers without side effects.
1808 * doc/invoke.texi (-Woverride-init): Document.
1811 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1813 PR rtl-optimization/28096
1814 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1815 assignment has already been used as a destination earlier in the block.
1817 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1819 * builtins.c (expand_builtin_setjmp): Delete.
1820 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1821 <BUILT_IN_SETJMP_SETUP>: New case.
1822 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1823 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1824 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1825 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1826 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1827 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1828 (lower_function_body): Initialize it to false. If it is set to true
1829 at the end of the processing, emit the setjmp dispatcher.
1830 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1831 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1832 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1833 on the rhs of the assignment.
1834 (lower_builtin_setjmp): New function.
1835 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1836 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1837 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1838 to detect calls that can go to non-local labels. Use specific
1839 helper to create the abnormal edges associated with them.
1840 <MODIFY_EXPR>: Likewise.
1841 (make_abnormal_goto_edges): New function extracted from...
1842 (make_goto_expr_edges): ...here. Call it for computed gotos.
1843 (simple_goto_p): Minor tweak.
1844 (tree_can_make_abnormal_goto): New predicate.
1845 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1846 (tree_purge_dead_abnormal_call_edges): New function.
1847 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1848 (tree_purge_dead_abnormal_call_edges): Likewise.
1849 (make_abnormal_goto_edges): Likewise.
1850 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1851 Purge all dead abnormal edges if the call was in the last statement.
1852 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1853 (execute_fixup_cfg): If there are non-local labels in the function,
1854 scan the basic blocks and split them at calls that can go to non-local
1855 labels or add missing abnormal call edges. Write down the CFG in the
1857 (pass_fixup_cfg): Remove TODO_dump_func flag.
1858 * unwind-sjlj.c: Poison setjmp.
1859 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1860 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1861 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1862 (DONT_USE_BUILTIN_SETJMP): Document it.
1864 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1867 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1868 to 1 when __ppc64__ is defined.
1869 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1871 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1873 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1875 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1876 * config/ia64/unwind-hpux.c: Delete.
1878 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1880 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1881 on the element before gimplifying it, instead of punting if it is of
1884 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1886 * doc/loop.texi: New file.
1887 * doc/gccint.texi: Reference loop.texi.
1888 * Makefile.in (loop.texi): Add.
1890 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1892 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1894 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1895 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1897 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
1899 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
1901 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
1903 * doc/install.texi: Document required versions of GMP and MPFR.
1905 2006-09-27 Paul Brook <paul@codesourcery.com>
1908 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
1910 2006-09-27 Richard Sandiford <richard@codesourcery.com>
1912 * reload1.c (alter_reg): Require the alignment of the stack slot to
1913 be at least reg_max_ref_width bytes.
1914 (scan_paradoxical_subregs): Record the largest width in
1917 2006-09-26 Jakub Jelinek <jakub@redhat.com>
1921 * tree-nested.c (struct nesting_info): Added static_chain_added.
1922 (convert_call_expr): Set static_chain_added when adding static
1923 chain. Handle OMP_PARALLEL and OMP_SECTION.
1925 2006-09-25 Matthias Klose <doko@debian.org>
1927 * doc/invoke.texi: Add missing full stop.
1929 2006-09-25 Richard Henderson <rth@redhat.com>
1931 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1932 before cgraph_function_flags_ready.
1934 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1935 Adam Nemet <anemet@caviumnetworks.com>
1937 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1938 determine_common_wider_type): New functions.
1939 (get_computation_aff): Use them to simplify arithmetic between
1940 UBASE and CBASE if they are shortened from the same type.
1942 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1945 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1946 -2147483647 - 1 instead of 0x80000000.
1948 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1950 * flags.h (HONOR_NANS): Fix typo in comment.
1952 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1954 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1956 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1960 * tree.c (merge_attributes, attribute_list_contained): If both
1961 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1963 * c-typeck.c (comptypes_internal): Don't consider aggregates
1964 in different TUs as compatible if there one set of attributes is
1965 not a subset of the other type's attributes.
1966 (composite_type): Try harder not to create a new aggregate type.
1968 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1970 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1971 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1972 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
1973 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1974 than replicating condition above.
1975 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1977 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1978 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
1979 the linker by default.
1981 2006-09-22 Mike Stump <mrs@apple.com>
1983 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
1986 2006-09-22 Richard Guenther <rguenther@suse.de>
1989 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
1990 sort of stack variables stable.
1992 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
1995 * explow.c (force_reg): Set REG_POINTER flag according to
1998 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
2000 PR tree-optimization/28888
2001 * tree-if-conv.c (combine_blocks): Rewritten.
2002 * tree-cfg.c (tree_verify_flow_info): Check that edges with
2003 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2005 2006-09-22 Jakub Jelinek <jakub@redhat.com>
2007 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
2010 2006-09-21 Richard Sandiford <richard@codesourcery.com>
2012 * varasm.c (copy_constant): Fix reversed gcc_assert check.
2014 2006-09-21 Janis Johnson <janis187@us.ibm.com>
2016 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2018 2006-09-21 Roger Sayle <roger@eyesopen.com>
2021 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2022 dw_fde_current_label, to be the start of the function, i.e. the same
2023 value as dw_fde_begin.
2025 2006-09-20 Richard Sandiford <richard@codesourcery.com>
2027 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2028 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2029 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
2030 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
2031 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
2032 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
2033 (abs<mode>2, neg<mode>2): Likewise.
2034 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
2035 (*mips_abs_ps): New define_insn.
2037 2006-09-20 Josh Conner <jconner@apple.com>
2040 * calls.c (expand_call): Allow reuse of structure return stack
2043 2006-09-20 Paul Brook <paul@codesourcery.com>
2045 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
2048 2006-09-20 Janis Johnson <janis187@us.ibm.com>
2050 * doc/extend.texi (Decimal Float): Update for latest draft TR,
2051 clean up terminology.
2053 2006-09-20 Steve Ellcey <sje@cup.hp.com>
2056 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
2057 with tablejumps in them.
2059 2006-09-20 Jakub Jelinek <jakub@redhat.com>
2062 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
2063 wrap it into TARGET_EXPR.
2065 2006-09-20 Eric Christopher <echristo@apple.com>
2067 * config/i386/i386.c (x86_fisttp): Remove.
2068 * config/i386/i386.h (x86_fisttp): Ditto.
2069 (TARGET_FISTTP): Ditto.
2071 2006-09-19 Eric Christopher <echristo@apple.com>
2073 * doc/tm.texi (OBJC_JBLEN): Describe.
2074 * config/i386/darwin.h (OBJC_JBLEN): Define.
2075 * config/rs6000/darwin.h: Ditto.
2077 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
2079 PR rtl-optimization/21299
2080 * reload1.c (reload): Purge invalid ASMs in the final pass.
2082 2006-09-19 Steve Ellcey <sje@cup.hp.com>
2085 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
2086 pointers as legitimate constants.
2088 2006-09-19 Paul Brook <paul@codesourcery.com>
2091 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2093 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
2095 PR tree-optimization/28887
2096 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2097 component parts from the reference.
2098 (gather_memory_references_ref): Record the reference without the
2099 nonaddressable component parts.
2101 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
2104 * c-opts.c (c_common_handle_option): Ignore the -std options
2105 if the input language is assembly.
2107 2006-09-17 Ira Rosen <irar@il.ibm.com>
2110 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2112 (ptr_ptr_may_alias_p): Likewise.
2113 (record_record_differ_p): New function.
2114 (base_object_differ_p): Call record_record_differ_p.
2116 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2119 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2120 away for the expr argument.
2122 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2125 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2126 before using it for dumping after vectorizing loops.
2128 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2129 Jack Howarth <howarth@bromo.med.uc.edu>
2132 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2133 skip on error_mark_node.
2134 (rs6000_darwin64_record_arg_recurse): Likewise.
2136 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2138 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2139 * doc/rtl.texi: Remove related documentation.
2141 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
2143 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2146 2006-09-15 Jim Wilson <wilson@specifix.com>
2148 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2149 Handle symbol offsets same as they are handled in ia64_expand_move
2152 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
2154 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2155 Add forgotten parameter to the fprintf call.
2157 2006-09-15 Steve Ellcey <sje@cup.hp.com>
2159 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2161 2006-09-15 Uros Bizjak <uros@kss-loka.si>
2163 * doc/contrib.texi: Add my entry.
2165 2006-09-15 Nick Clifton <nickc@redhat.com>
2167 * doc/md.texi (Processor pipeline description): Fix typo in
2168 example of how to use the absence_set directive and reword the
2169 description to make it slightly easier to read.
2171 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
2173 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2174 * loop-doloop.c (doloop_optimize): Use it to limit costs of
2175 expanding the number of iterations.
2176 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2178 * cfgrtl.c (emit_insn_at_entry): New function.
2179 * rtl.h (emit_insn_at_entry): Declare it.
2180 * integrate.c (emit_initial_value_sets): Use it.
2182 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2184 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2186 (struct loop_work and related VEC declarations): Delete.
2187 (bfin_dump_loops): Print out new member bad.
2188 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
2189 (bfin_scan_loop): Don't recurse.
2190 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2191 loops. No longer need to update outer loops if the current one is
2192 found bad. Move some validitiy checks to bfin_discover_loop.
2193 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2194 but changed not to check for nesting. Also changed to use the new bad
2196 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2197 time. Use bitmap based test to discover loop nesting.
2199 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
2201 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2204 2006-09-14 Richard Guenther <rguenther@suse.de>
2205 Kazu Hirata <kazu@codesourcery.com>
2207 PR middle-end/28884.
2208 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2209 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2210 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2211 with TARGET_FUNCTION_VALUE.
2213 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2216 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2218 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2220 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2223 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2226 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2229 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2231 * basic_block.h (bb_has_eh_pred): Fix comment.
2233 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2235 * flow.c (calculate_global_regs_live): Invalidate eh registers
2236 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2237 (propagate_block): Handle eh registers as if they were set at basic
2239 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2241 * global.c (global_conflicts): Make eh registers to conflict with
2242 pseudos live at basic block begin.
2243 * basic_block.h (bb_has_eh_pred): New function.
2245 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2247 PR rtl-optimization/28982
2248 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2249 index of a PRE_MODIFY or POST_MODIFY address.
2250 * reload1.c (inc_for_reload): Use find_replacement on the original
2251 base and index registers.
2253 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2255 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2256 for -Os. Update __m128 alignment requirement.
2258 2006-09-13 Jan Hubicka <jh@suse.cz>
2260 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2262 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2264 PR rtl-optimization/28243
2265 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2266 the insn to which the note was originally attached.
2268 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2269 Roger Sayle <roger@eyesopen.com>
2271 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2272 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2273 on platforms that don't use dwarf for debug info.
2275 2006-09-12 Jason Merrill <jason@redhat.com>
2278 * builtins.c (expand_builtin_setjmp_receiver): Clobber
2279 hard_frame_pointer_rtx after using it to update the frame pointer.
2281 2006-09-12 Roger Sayle <roger@eyesopen.com>
2283 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2284 (TARGET_ASM_CLOSE_PAREN): Likewise.
2285 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2286 (TARGET_ASM_CLOSE_PAREN): Likewise.
2288 2006-09-12 Roger Sayle <roger@eyesopen.com>
2291 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2292 frame information for frames larger than 512 Kbytes on Tru64 when
2293 using the native assembler.
2295 2006-09-12 Roger Sayle <roger@eyesopen.com>
2299 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2300 and symbols. Instead use the implementation from cse.c's hash_rtx.
2302 2006-09-12 Jan Hubicka <jh@suse.cz>
2304 PR rtl-optimization/28071
2305 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2306 (vect_transform_loop): Likewise.
2307 * tree-vectorizer.c (new_loop_vec_info): Likewise.
2308 (new_loop_vec_info): Likewise.
2309 (destroy_loop_vec_info): Likewise.
2310 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2311 (create_stmt_ann): Likewise.
2312 (create_tree_ann): Rename to ...
2313 (create_tree_common_ann): ... this one; allocate only the common part
2315 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2316 (get_value_handle): Likewise.
2317 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2318 get_tree_common_ann.
2319 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2320 (vinfo_for_stmt): Use stmt annotations.
2321 * tree-flow.h (tree_ann_common_t): New type.
2322 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2323 (tree_ann, get_tree_ann, create_tree_ann): New.
2324 * tree-flow-inline.h (get_function_ann): Do more type checking.
2325 (stmt_ann): Likewise.
2326 (tree_ann): Rename to ...
2327 (tree_common_ann): ... this one; return ony common_ann
2328 (get_tree_ann): Rename to ...
2329 (tree_common_ann): This one; return only common_ann.
2330 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2333 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2335 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2336 with_cpu by default.
2338 * dwarf2out.c (dwarf_file_data): New.
2339 (enum dw_val_class): Add dw_val_class_file.
2340 (struct dw_val_struct): Add val_file.
2341 (file_table): Change to a hash table.
2342 (file_table_emitted): Delete.
2343 (file_table_last_lookup_index): Delete.
2344 (emitcount): Delete.
2345 (last_emitted_file): New.
2346 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2347 (init_file_table): Delete.
2348 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2349 (AT_addr): Add comment.
2353 (print_die): Handle dw_val_class_file.
2354 (print_dwarf_line_table): Update for new file table structure.
2355 (attr_checksum): Do checksum a filename.
2356 (same_dw_val_p, same_attr_p): Do compare a filename.
2357 (size_of_die): Handle dw_val_class_file.
2358 (value_format): Likewise.
2359 (output_die): Likewise. Also, call maybe_emit_file here.
2360 (struct file_info): Constify filenames. Make file_idx a pointer
2361 to a struct dwarf_file_data.
2362 (struct dir_info): Constify directory names. Remove 'used' field.
2363 (struct file_name_acquire_data): New.
2364 (file_name_acquire): New.
2365 (output_file_names): Modify to handle new file data structures.
2366 (add_src_coords_attributes): Use add_AT_file.
2367 (add_call_src_coords_attributes): Likewise.
2368 (dwarf2out_imported_module_or_decl): Likewise.
2369 (gen_subprogram_die): Modify for new file data structures.
2370 (gen_variable_die): Likewise.
2371 (file_table_eq): New.
2372 (file_table_hash): New.
2373 (file_table_last_lookup): New.
2374 (lookup_filename): Rewrite to handle new file data structures.
2375 (maybe_emit_file): Rewrite to handle new file data structures.
2376 (dwarf2out_source_line): Always call lookup_filename and
2378 (dwarf2out_init): Create file_table here.
2379 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2380 (file_table_relative_p): New.
2381 (dwarf2out_finish): Change detection of relative filenames
2382 to work with new file data structures. Move output_line_info call
2383 after debug_info output.
2385 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2390 * config/i386/i386.c (override_options): Always default to 16
2391 byte stack boundary.
2393 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2396 * var-tracking.c (dump_dataflow_set): Start dumping at
2398 (clobber_variable_part): Kill only the variable part in
2399 registers holding it, leaving other variables alone.
2401 2006-09-11 Josh Triplett <josh@freedesktop.org>
2403 * doc/extend.texi (Other Builtins): Actually use the macro
2404 argument in the documentation example for
2405 __builtin_types_compatible_p.
2407 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2409 PR rtl-optimization/28726
2410 * sched-deps.c (sched_analyze_reg): New function extracted from...
2411 (sched_analyze_1): ...here. Call it to analyze references to
2412 registers. Treat again writes to a stack register as writing to the
2414 (sched_analyze_2): ...and here. Call it to analyze references to
2415 registers. Treat again reads of a stack register as reading the
2418 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2419 David Edelsohn <edelsohn@gnu.org>
2422 * config/rs6000/spe.md (frob_df_di): Remove %H.
2423 (frob_di_df): Remove %H. Change evmergelo to mr.
2424 (frob_di_df_2): Remove %H. Change evldd to two loads.
2426 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2428 * doc/cpp.texi: Fix names of charset options.
2430 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2433 * config/i386/i386.c (override_options): Use 128-bit
2434 stack boundary always for 64bits.
2436 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2438 PR rtl-optimization/28636
2439 * combine.c (force_to_mode): Test for side-effects before
2440 substituting by zero.
2441 (simplify_shift_const): Likewise for zero or other constants.
2443 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2446 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2449 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2452 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2453 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2454 returned by mode_for_size, rather than the mode of src itself,
2455 to choose between 32-bit and 64-bit patterns.
2456 (mips_mem_fits_mode_p): New function.
2457 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2458 that the size of the source matches the size of the destination.
2459 (mov_<store>l, mov_<store>r): Likewise.
2461 2006-09-10 Eric Christopher <echristo@apple.com>
2463 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2466 2006-09-09 Eric Christopher <echristo@apple.com>
2469 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2472 2006-09-09 Roger Sayle <roger@eyesopen.com>
2473 Nicolas Setton <setton@adacore.com>
2475 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2477 2006-09-10 Andreas Schwab <schwab@suse.de>
2479 * config/m68k/m68k.md (bungt_rev): New pattern.
2481 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2482 Dale Johannesen <dalej@apple.com>
2485 * regclass.c (struct reg_pref): Update documentation.
2486 (regclass): Set prefclass to NO_REGS if memory is the best option.
2487 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2489 2006-09-08 Eric Christopher <echristo@apple.com>
2491 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2492 * config/t-slibgcc-darwin: Support x86_64 multilib.
2493 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2494 Return 1 for x86_64-darwin.
2495 * config/i386/t-darwin: Add m64 multilib.
2496 (LIB2_SIDITI_CONV_FUNCS): Use.
2497 (LIB2FUNCS_EXTRA): Ditto.
2498 * config/i386/darwin.h: Support x86_64.
2499 * config/i386/i386.c (override_options): Turn on flag_pic
2500 for x86_64-darwin. Disable flag_omit_pointer.
2501 (get_pc_thunk_name): Assert !TARGET_64BIT.
2502 (legitimate_address_p): Disable machopic addressing for
2504 (legitimize_pic_address): Ditto.
2505 (ix86_expand_move): Ditto.
2506 (ix86_expand_call): Ditto.
2507 (machopic_output_stub): Ditto.
2508 * config/darwin.c (machopic_select_section): Support literal16.
2509 (machopic_select_rtx_section): Ditto.
2510 * config/darwin-sections.def: Ditto.
2511 * config/darwin-64.c: New.
2513 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2516 * c-tree.h (struct c_arg_info): Add pending_sizes.
2517 * c-parser.c (c_parser_parms_declarator,
2518 c_parser_parms_list_declarator): Initialize pending_sizes.
2519 * c-decl.c (get_parm_info): Initialize pending_sizes.
2520 (get_parm_info): Set pending_sizes.
2521 (grokdeclarator): Call put_pending_sizes for parameters for
2522 function definition only.
2524 2006-09-07 Jason Merrill <jason@redhat.com>
2527 * varasm.c (output_constant): Only strip actual no-op conversions.
2530 * config/i386/i386.c (override_options): Use 128-bit
2531 stack boundary if -msse.
2533 2006-09-07 Eric Christopher <echristo@apple.com>
2535 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2537 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2540 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2542 * dwarf2out.c: Remove strange characters from comment above
2543 dwarf2out_frame_debug_expr.
2545 2006-09-07 Eric Christopher <echristo@apple.com>
2547 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2548 * config/darwin.h: ... to here.
2550 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2552 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2554 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2555 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2557 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2558 TARGET_PARTIAL_FLAG_REG_STALL.
2559 (*ashldi3_cconly_rex64): Likewise.
2560 (*ashlsi3_cmp): Likewise.
2561 (*ashlsi3_cconly): Likewise.
2562 (*ashlsi3_cmp_zext): Likewise.
2563 (*ashlhi3_cmp): Likewise.
2564 (*ashlhi3_cconly): Likewise.
2565 (*ashlqi3_cmp): Likewise.
2566 (*ashlqi3_cconly): Likewise.
2567 (*ashrdi3_cmp_rex64): Likewise.
2568 (*ashrdi3_cconly_rex64): Likewise.
2569 (*ashrsi3_cmp): Likewise.
2570 (*ashrsi3_cconly): Likewise.
2571 (*ashrsi3_cmp_zext): Likewise.
2572 (*ashrhi3_cmp): Likewise.
2573 (*ashrhi3_cconly): Likewise.
2574 (*ashrqi3_cmp): Likewise.
2575 (*ashrqi3_cconly): Likewise.
2576 (*lshrdi3_cmp_rex64): Likewise.
2577 (*lshrdi3_cconly_rex64): Likewise.
2578 (*lshrsi3_cmp): Likewise.
2579 (*lshrsi3_cconly): Likewise.
2580 (*lshrsi3_cmp_zext): Likewise.
2581 (*lshrhi3_cmp): Likewise.
2582 (*lshrhi3_cconly): Likewise.
2583 (*lshrqi2_cmp): Likewise.
2584 (*lshrqi2_cconly): Likewise.
2586 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2589 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2590 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2591 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2592 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2593 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2594 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2595 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2596 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2597 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2598 implement only CC setting effects of shift instructions.
2600 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2602 * doc/contrib.texi: Add myself.
2604 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2607 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2608 was set by the user.
2610 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2613 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2614 (divsi_inv_m1): Use them.
2615 (UNSPEC_DIV_INV_TABLE): New constant.
2617 2006-09-06 James E Wilson <wilson@specifix.com>
2620 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2621 then call count_or_remove_death_notes.
2623 2006-09-06 Jason Merrill <jason@redhat.com>
2626 * tree-inline.c (copy_result_decl_to_var): New fn.
2627 (declare_return_variable): Use it. Call declare_inline_vars here.
2628 (expand_call_inline): Not here.
2630 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2632 * doc/contrib.texi: Update my entry.
2634 2006-09-06 Nick Clifton <nickc@redhat.com>
2636 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2638 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2641 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2642 (canonicalize_induction_variables): Likewise.
2643 (tree_unroll_loops_completely): Likewise.
2644 (tree_ssa_prefetch_arrays): Likewise.
2645 (remove_empty_loops): Likewise.
2646 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2647 TODO_cleanup_cfg instead of directly calling
2648 cleanup_tree_cfg_loop.
2649 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2651 (tree_unroll_loops_completely): Likewise.
2652 (remove_empty_loops): Likewise.
2653 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2654 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2655 of tree_ssa_unswitch_loops.
2656 (tree_ssa_loop_ivcanon): Use the return value of
2657 canonicalize_induction_variables.
2658 (tree_ssa_empty_loop): Use the return value of
2660 (tree_complete_unroll): Use the return value of
2661 tree_unroll_loops_completely.
2662 (tree_ssa_loop_prefetch): Use the return value of
2663 tree_ssa_prefetch_arrays.
2664 * passes.c (execute_todo): Before Cleanup CFG, set
2665 updating_used_alone and after cleanup CFG, call
2666 recalculate_used_alone.
2668 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2671 * tree-vect-transform.c (vectorizable_condition): Move the check
2672 for the type after the check for simple condition.
2674 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2675 Kaz Kojima <kkojima@gcc.gnu.org>
2678 * mode-switching.c (optimize_mode_switching): Make the destination
2679 block of an abnormal edge have no anticipatable mode. Don't
2680 insert mode switching code at the end of the source block of
2683 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2685 PR rtl-optimization/26847
2686 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2687 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2688 (simplify_plus_minus): Count n_constants while filling ops. Replace
2689 qsort with insertion sort. Before going through the array to simplify
2690 pairs, sort it. Delay early exit until after the first sort, exiting
2691 only if no swaps occurred. Simplify pairs in reversed order, without
2692 special-casing the first iteration. Pack ops after simplifying pairs.
2694 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2696 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2697 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2698 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2699 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2701 2006-09-05 Richard Guenther <rguenther@suse.de>
2703 PR tree-optimization/28900
2704 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2705 compound conditional before creating COND_EXPR condition.
2707 2006-09-05 Richard Guenther <rguenther@suse.de>
2709 PR tree-optimization/28905
2710 * tree-vrp.c (fix_equivalence_set): Manually implement
2711 !value_ranges_intersect_p to also handle symbolic ranges.
2713 2006-09-05 Richard Guenther <rguenther@suse.de>
2716 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2719 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2721 PR rtl-optimization/27616
2722 * cse.c (table_size): New static variable.
2723 (new_basic_block): Initialize it to 0.
2724 (remove_from_table): Decrement it.
2725 (insert): Increment it.
2726 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2727 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2728 fold_rtx_mem_1 if under the cap.
2729 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2730 the lookup of the equivalent expression and test for equality of the
2731 first operand of the equivalent expression before in turn looking up
2732 an equivalent constant for the second operand.
2734 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2737 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2738 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2739 pointer, instead of assuming it is possible to derive the
2740 correct args size from a call insn.
2742 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2745 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2746 (fold_builtin_mempcpy): Rename to...
2747 (fold_builtin_memory_op): ... this. Optimize one element copy
2749 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2751 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2752 (expand_builtin_memcpy, expand_builtin_mempcpy,
2753 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2754 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2755 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2756 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2758 2006-09-01 DJ Delorie <dj@redhat.com>
2760 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2761 (stzx_16): Likewise.
2762 ("stzx_24_<mode>"): Likewise.
2763 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2764 ("cmp<mode>_op"): New.
2765 (cmp<mode>): Change to expander; just save operands.
2767 (b<code>): Change to expander, emit compare here.
2768 (s<code>_op): Change to use split and expander.
2769 (s<code>_24_op): Likewise.
2770 (s<code>_<mode>): New.
2771 (s<code>_<mode>_24): New.
2772 (movqicc_<code>_<mode): New.
2773 (movhicc_<code>_<mode>): New.
2776 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2777 (m32c_pend_compare): New.
2778 (m32c_unpend_compare): New.
2779 (m32c_expand_scc): New.
2780 (m32c_expand_movcc): Emit the compare also.
2781 * config/m32c/predicates.md (mra_nopp_operand): New.
2783 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2784 Richard Guenther <rguenther@suse.de>
2785 Adam Nemet <anemet@caviumnetworks.com>
2788 * builtins.c (get_pointer_alignment): Handle more forms
2789 of base addresses that can be used to derive more precise
2790 information about alignment.
2792 2006-09-01 Jason Merrill <jason@redhat.com>
2795 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2798 * gimplify.c (voidify_wrapper_expr): Handle null type.
2800 2006-09-01 Josh Conner <jconner@apple.com>
2803 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2804 (execute_return_slot_opt): Use it.
2806 2006-08-31 Josh Conner <jconner@apple.com>
2809 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2810 returning aggregates.
2812 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2814 PR tree-optimization/28839
2815 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2816 blocks in that phi arguments appear.
2818 2006-08-31 Roger Sayle <roger@eyesopen.com>
2821 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2822 NULL, otherwise use an advance_loc4 to adjust relative to the
2824 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2825 (dwarf2out_switch_text_section): Reset the current label to avoid
2826 using advance_loc4 over section boundaries.
2828 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2831 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2832 r12 + SYMBOLIC_CONST.
2834 2006-08-30 Richard Guenther <rguenther@suse.de>
2836 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2838 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2840 PR rtl-optimization/27735
2841 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2842 Add new argument to keep track of whether an irreducible region
2843 was affected. All callers changed.
2844 (fix_irreducible_loops): Removed.
2845 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2846 flags were invalidated.
2848 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2850 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2851 instead of SF operands.
2852 (*fop_df_comm_sse): Likewise.
2853 (*fop_df_comm_i387): Likewise.
2854 (*fop_df_1_mixed): Likewise.
2855 (*fop_df_1_sse): Likewise.
2857 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2858 J"orn Rennecke <joern.rennecke@st.com>
2860 PR tree-optimization/17506
2861 * tree-ssa.c (warn_uninit): If warning about a location outside of
2862 the current function, note where the variable was declared.
2864 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2866 PR tree-optimization/28411
2867 * double-int.c (double_int_div): Use double_int_divmod.
2868 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2869 double_int_mod, double_int_smod, double_int_umod): New functions.
2870 * double-int.h (double_int_divmod, double_int_sdivmod,
2871 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2873 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2875 (get_computation_aff, get_computation_cost_at): Handle double_int
2876 return type of constant_multiple_of.
2878 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2881 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2882 an implicit conversion.
2884 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2886 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2888 2006-08-27 Roger Sayle <roger@eyesopen.com>
2890 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2893 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2895 * config/i386/crtfastmath.c: Fix a comment typo.
2897 2006-08-26 Roger Sayle <roger@eyesopen.com>
2899 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
2900 temporary visit flags on CASE_LABEL_EXPRs.
2901 * c-common.c (match_case_to_enum): Add function comment. Avoid
2902 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
2903 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
2904 CASE_HIGH_SEEN for enumerated types. If the switch expression is
2905 a constant, only warn if that constant value isn't handled.
2907 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
2910 * input.h (restore_input_file_stack): Declare.
2911 (INPUT_FILE_STACK_BITS): Define.
2912 * toplev.c (fs_p, input_file_stack_history,
2913 input_file_stack_restored, restore_input_file_stack): New.
2914 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
2915 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
2916 (pop_srcloc): Don't free old state of stack.
2918 2006-08-26 David Edelsohn <edelsohn@gnu.org>
2921 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2922 (PowerPC Type Attributes): New.
2924 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2926 * config/xtensa/xtensa.c (function_arg_boundary): New.
2927 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2929 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2930 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2932 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2935 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2938 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2940 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2941 (verify_local_live_at_start): Likewise.
2943 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2946 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2947 omp_add_variable): Treat sizes as variable whenever not
2950 2006-08-26 Richard Guenther <rguenther@suse.de>
2953 * fold-const.c (fold_binary): Fold temporary to correct
2954 type before constructing new comparison.
2956 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2959 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2960 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2962 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2965 * c-decl.c (start_function): Don't try to process prototype
2966 information from old declaration that isn't a function.
2968 2006-08-25 Jan Hubicka <jh@suse.cz>
2971 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2973 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2976 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
2979 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
2981 PR tree-optimization/16876
2982 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
2983 exit if PARM doesn't match VALUE.
2985 2006-08-25 Bob Wilson <bob.wilson@acm.org>
2987 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
2988 literal_prefix directive.
2989 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
2990 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2991 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2993 2006-08-25 David Edelsohn <edelsohn@gnu.org>
2996 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
2997 predicate to general_operand. Add 0->y and I->r alternatives.
2999 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
3001 * doc/tm.texi: Fix a typo.
3002 * predict.c: Fix comment typos.
3004 2006-08-25 Nick Clifton <nickc@redhat.com>
3006 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
3007 assertions of "cpu" and "machine".
3009 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
3012 * tree-ssa-operands.c (access_can_touch_variable): Don't say
3013 the access through a base which has an alias set of 0 cannot
3016 2006-08-24 Bill Wendling <wendling@apple.com>
3018 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3020 2006-08-24 Jan Hubicka <jh@suse.cz>
3022 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3024 2006-08-24 Jan Hubicka <jh@suse.cz>
3027 * cgraph.c: Fix comments.
3028 (cgraph_varpool_mark_needed_node): Mark only variables not already
3030 * cgraphunit.c: Update comments; include gt-cgraphunit.h
3031 (cgraph_varpool_assembled_nodes_queue): New static variable.
3032 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
3033 (cgraph_varpool_output_debug_info): New function.
3034 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
3035 * Makefile.in: Add gt-cgraphunit.h
3037 2006-08-24 Jan Hubicka <jh@suse.cz>
3039 * predict.c (probability_reliable_p): New predicate.
3040 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3041 (predict_loops): Do not predict loop exit with less than 2%
3043 * basic-block.h (edge_probability_reliable_p,
3044 br_prob_note_reliable_p): Declare.
3045 * ia64.h (ia64_print_operand): Do not disable on-chip branch
3046 prediction when static predictor is not reliable.
3047 * rs6000.c (output_cbranch): Likewise.
3049 2006-08-23 Stuart Hastings <stuart@apple.com>
3052 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
3053 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
3055 2006-08-21 Geoffrey Keating <geoffk@apple.com>
3058 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
3059 complex values, nor for generic vector values.
3061 2006-08-22 Richard Guenther <rguenther@suse.de>
3064 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
3065 parameter. Convert arguments to arithmetic expression to the
3067 (analyze_scalar_evolution_1): Adjust caller.
3069 2006-08-22 Jan Hubicka <jh@suse.cz>
3071 Patch by Paolo Bonzini
3072 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
3075 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
3077 PR tree-optimization/28003
3078 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
3079 before grouping aliases.
3081 2006-08-22 Roger Sayle <roger@eyesopen.com>
3083 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
3084 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
3086 2006-08-21 Jason Merrill <jason@redhat.com>
3089 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3090 wrapper. Loop to handle nested wrappers.
3091 (gimplify_bind_expr): Remove temp parameter.
3092 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3093 and STATEMENT_LIST on the rhs.
3094 (gimplify_statement_list): Voidify the STATEMENT_LIST.
3095 (gimplify_expr): Pass pre_p to gimplify_statement_list.
3096 (gimplify_target_expr): Remove special BIND_EXPR handling.
3098 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
3100 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3103 2006-08-21 Olivier Hainque <hainque@adacore.com>
3105 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3106 Arrange for the temporary captures of components overlapping the lhs
3107 to happen before the lhs is possibly cleared.
3109 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
3111 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3112 necessary places to pass the correct "number of registers" values
3115 2006-08-20 Jan Hubicka <jh@suse.cz>
3117 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
3118 (create_name_tags): Instead of quadratic checking use hashtable.
3119 * bitmap.h: Include hashtab.h.
3120 (bitmap_hash): Declare.
3121 * bitmap.c (bitmap_hash): New function.
3123 2006-08-20 Jan Hubicka <jh@suse.cz>
3125 PR rtl-optimization/28071
3126 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3128 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3129 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3130 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3131 cgraph_decide_inlining_incrementally): Update use of
3132 cgraph_check_inline_limits.
3133 * cgraph.c (edge_hash, edge_eq): New function.
3134 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3135 cgraph_edge_remove_caller, cgraph_node_remove_callees,
3136 cgraph_remove_node): Maintain call site hash.
3137 * cgraph.h (struct cgraph_node): Add call_site_hash.
3138 (cgraph_set_call_stmt): New function.
3140 2006-08-20 Jan Hubicka <jh@suse.cz>
3142 PR rtl-optimization/28071
3143 * reload1.c (reg_has_output_reload): Turn into regset.
3144 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3145 choose_reload_regs, emit_reload_insns): Update to new
3146 reg_has_output_reload.
3148 2006-08-20 Jan Hubicka <jh@suse.cz>
3151 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3152 function body sizes.
3153 * cgraphunit.c (cgraph_analyze_function): Don't do so.
3155 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
3158 * tree.c (handle_dll_attribute): Return early if not a
3159 var or function decl.
3161 2006-08-18 Joseph Myers <joseph@codesourcery.com>
3164 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3165 alignment of SPE vector types.
3167 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
3169 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3171 2006-08-17 Jakub Jelinek <jakub@redhat.com>
3174 * cgraph.h (struct cgraph_node): Remove externally_visible
3176 * cgraphunit.c (process_function_and_variable_attributes): Set
3177 local.externally_visible rather than externally_visible.
3180 * c-common.c (handle_externally_visible_attribute): First look
3181 at TREE_CODE and only if it is function or var decl, check for
3182 non-public objects. Don't warn for DECL_EXTERNAL.
3183 * cgraphunit.c (process_function_and_variable_attributes): Warn
3184 if externally_visible attribute is used on non-public object.
3186 2006-08-17 Jan Hubicka <jh@suse.cz>
3188 PR tree-optimization/27865
3189 * reload1.c (forget_marked_reloads): New function.
3190 (forget_old_reloads_1): When data are passed, just mark the registers
3192 (reload_as_needed): Use the new mechanizm.
3194 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
3197 * reload.h (reg_equiv_alt_mem_list): New declaration.
3198 * reload1.c (reg_equiv_alt_mem_list): New definition.
3199 (reload): Initialize it and release it.
3200 (delete_output_reload): Use it.
3201 * reload.c (push_reg_equiv_alt_mem): New function.
3202 (find_reloads_toplev): Call it.
3203 (find_reloads_address, find_reloads_address_1): Likewise.
3204 (find_reloads_subreg_address): Likewise.
3206 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3208 PR rtl-optimization/28489
3209 * sched-ebb.c (begin_schedule_ready): Create basic block
3211 (advance_target_bb): Skip empty blocks.
3212 * haifa-sched.c (bb_note): Make global.
3213 * sched-int.h (bb_note): Add prototype.
3215 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3217 PR tree-optimization/27865
3218 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3220 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3221 fold_used_pointer, pointer_used_p): New functions.
3222 (analyze_scalar_evolution_1): Use fold_used_pointer.
3223 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3224 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3227 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3230 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3231 or the INTEGER_CST. Fail on a CALL_EXPR.
3232 (fold_offsetof): Pass new argument to fold_offsetof_1.
3233 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3234 operand into an INDIRECT_REF.
3235 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3237 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3239 PR gcov/profile/26570
3240 * value-prof.c (static_values): Removed.
3241 (tree_find_values_to_profile): Do not set static_values.
3242 (find_values_to_profile): Do not free static_values.
3243 * profile.c (instrument_values): Do not free the values.
3244 (branch_prob): Free the values.
3246 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3248 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3250 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3253 * c-typeck.c (build_component_ref): Combine qualifiers of
3254 structure or union and field.
3256 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3258 PR rtl-optimization/28071
3259 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3260 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3261 * tree-into-ssa.c (struct dom_dfsnum): New.
3262 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3264 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3265 compute_global_livein.
3266 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3267 in phi nodes in the correct blocks.
3269 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3271 PR tree-optimization/28364
3272 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3274 (fold_affine_expr): New function.
3275 (may_eliminate_iv): Use fold_affine_expr.
3277 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3280 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3283 2006-08-16 Mike Stump <mrs@apple.com>
3285 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3286 * doc/cppopts.texi (-MD): Likewise.
3288 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
3291 * c-common.c (handle_weak_attribute): Ignore and warn if
3292 not a FUNCTION_ or VAR_DECL.
3294 2006-07-15 Mike Stump <mrs@apple.com>
3297 * c-parser.c (c_parser_typeof_specifier): Don't use
3298 c_finish_expr_stmt, open code desired semantics instead.
3300 2006-08-15 Nick Clifton <nickc@redhat.com>
3302 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3303 fragment to tmake_file only if threads are enabled.
3304 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3305 * config/i386/t-gthr-win32: New file. ... here.
3307 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3310 * c-parser.c (c_parser_compound_statement_nostart): Reset
3311 parser->error after each statement.
3313 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3316 * omp-low.c (lower_omp_parallel): Convert t to
3317 receiver_decl's type.
3318 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3319 source before comparison.
3322 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3323 to itype in assignment to oldival2.
3325 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3329 * c-typeck.c (build_compound_expr): If the second expression
3330 is an error mark, then just return an error mark instead of
3331 creating a COMPOUND_EXPR.
3333 2006-07-14 Mike Stump <mrs@apple.com>
3335 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3337 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3339 * c-decl.c, var-tracking.c: Fix comment typos.
3341 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3343 PR rtl-optimization/28634
3344 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3345 for floating-point modes unless flag_unsafe_math_optimizations.
3347 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3348 Andrew Pinski <pinskia@physics.uc.edu>
3351 * tree.c (build_array_type): Unify array types with
3352 unspecified index_type.
3353 * c-decl.c (grokdeclarator): Make sure we do not modify a
3354 unified incomplete array type.
3355 * c-typeck.c (store_init_value): Create distinct type before
3356 filling in the index type in an initializer from a compound
3359 * c-decl.c (grokdeclarator): Remove code where we copy the
3362 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3364 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3365 into account for TODO_dump_cgraph.
3366 (TODO_update_ssa_no_phi): Likewise.
3367 (TODO_update_ssa_full_phi): Likewise.
3368 (TODO_update_ssa_only_virtuals): Likewise.
3369 (TODO_remove_unused_locals): Likewise.
3370 (TODO_set_props): Likewise.
3371 (TODO_update_stmt_usage): Likewise.
3373 2006-08-13 Dirk Mueller <dmueller@suse.de>
3375 * c-common.c (strict_aliasing_warning): Fix formatting.
3377 2006-08-13 Matthias Klose <doko@debian.org>
3379 * doc/invoke.texi: Fix spelling errors.
3381 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3383 PR rtl-optimization/23454
3384 * reorg.c (relax_delay_slots): Update comment.
3386 2006-08-11 Richard Guenther <rguenther@suse.de>
3389 * simplify-rtx.c (simplify_const_relational_operation):
3390 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3393 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3395 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3396 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3398 2006-08-10 Paul Brook <paul@codesourcery.com>
3400 * final.c (final_scan_insn): Clear current_insn_predicate before
3401 outputting inline asm.
3403 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3405 PR tree-optimization/26197
3406 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3407 get_ref_base_and_extent and overlap_subvar to add only relevant
3408 subvars as may-aliases.
3409 (add_may_alias_for_new_tag): New function, factored out of
3411 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3412 with additional argument.
3413 * tree-flow.h (new_type_alias): Takes additional argument.
3415 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3417 * gcov.c (no_data_file): New flag.
3418 (read_count_file): Set it if data file not present. Assume counts
3420 (output_lines): Don't name the data file, if there wasn't one.
3422 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3424 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3425 (rs6000_generate_compare): Tweak comments.
3426 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3428 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3430 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3431 (var_debug_decl): New function.
3432 (var_reg_set): Follow debug decl link. Add location even if
3433 reg is already known to hold some other variable.
3434 (var_mem_set): Follow debug decl link.
3435 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3436 decl link. Delete other known locations of the variable part
3438 (var_reg_delete, var_mem_delete): Delete other known locations
3439 of the variable part if requested.
3440 (same_variable_part_p): New function.
3441 (add_stores): Select MO_COPY when appropriate.
3442 (vt_initialize): Handle it.
3443 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3444 known locations for MO_SET and MO_CLOBBER.
3445 (find_variable_location_part): New function.
3446 (set_variable_part, delete_variable_part): Use it.
3447 (clobber_variable_part): New function.
3448 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3451 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3453 PR tree-optimization/26969
3454 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3455 with an empty list of PHIs.
3457 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3461 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3464 2006-08-06 Andreas Schwab <schwab@suse.de>
3466 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3467 string. Whitespace and comment fixup.
3469 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3472 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3476 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3479 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3481 2006-08-04 Jan Hubicka <jh@suse.cz>
3485 * reload.c (push_reload): Patch out the mismatching instruction;
3487 (find_reload): Bail out if the instruction was patched out.
3489 2006-08-04 Jan Hubicka <jh@suse.cz>
3491 PR tree-optimization/24888
3492 * tree-inline.c (expand_call_inline): Do not re-record variables.
3493 (declare_inline_vars): Add variable to unexpanded_var_list.
3495 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3496 Roger Sayle <roger@eyesopen.com>
3498 PR rtl-optimization/26244
3499 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3500 inner_const are negative or greater than or equal to the bitsize of
3501 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3502 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3503 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3504 CONST0_RTX (mode) when the new shift count is greater than or equal to
3505 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3508 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3510 * tree-cfg.c: Fix a comment typo.
3512 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3515 * varasm.c (output_constant): Give the front end another chance to
3516 expand constants, after stripping NOPs.
3518 2006-08-03 Jan Hubicka <jh@suse.cz>
3520 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3523 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3525 PR tree-optimization/27770
3526 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3527 declaration removed (moved to tree-flow.h).
3528 (vect_can_force_dr_alignment_p): Likewise.
3529 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3530 (moved from tree-vectorizer.h).
3531 (vect_can_force_dr_alignment_p): Likewise.
3532 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3533 from outside the vectorizer - in particular from cgraph stage.
3534 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3535 the alignment of global arrays when -fsection-anchors is enabled.
3536 * cgraphunit.c (cgraph_increase_alignment): New function.
3537 (cgraph_optimize): Call cgraph_increase_alignment.
3539 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3542 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3543 not reload a SPE symbol_ref into a lo_sum address.
3545 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3548 * dwarf2out.c (prune_unused_types_prune): Move call to
3549 prune_unused_types_update_strings to cover the parent DIE also.
3551 2006-08-02 Jan Hubicka <jh@suse.cz>
3553 PR gcov/profile/28480
3554 * tree-cfg.c (change_bb_for_stmt): New function.
3555 (tree_merge_blocks, tree_split_blocks): Use it.
3557 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3563 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3564 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3565 (cgraph_optimize): Likewise.
3567 2006-08-01 Stuart Hastings <stuart@apple.com>
3569 * rtl.h (UINTVAL) New.
3570 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3571 * testsuite/gcc.dg/20060801-1.c: New.
3573 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3576 * c-typeck.c (build_external_type): Mark used enum types.
3577 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3579 (gen_subprogram_die): Whitespace fix.
3581 2006-08-01 Jan Hubicka <jh@suse.cz>
3583 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3584 bitmap when not needed.
3585 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3588 2006-08-01 Dirk Mueller <dmueller@suse.de>
3590 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3592 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3594 * Makefile.in: Revert part of previous patch:
3595 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3598 2006-07-30 Eric Christopher <echristo@apple.com>
3601 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3602 (PowerPC Variable Attributes): New section.
3604 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3606 PR target/28126 (partial fix)
3607 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3609 2006-07-28 Jan Hubicka <jh@suse.cz>
3611 PR rtl-optimization/28071
3612 * cfgrtl.c (rtl_delete_block): Free regsets.
3613 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3615 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3617 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3618 and variables used in dependencies.
3620 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3622 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3623 %fs for -mcmodel=kernel.
3624 (stack_tls_protect_test_di): Likewise.
3626 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3628 * Makefile.in: Use mkinstalldirs.
3630 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3633 * opts-common.c (prune_options): Skip joined switches.
3635 2006-07-27 Jan Hubicka <jh@suse.cz>
3637 PR rtl-optimization/28071
3638 * cselib.c (cselib_process_insn): Don't remove useless values too
3639 often for very large hashtables.
3641 2006-07-27 Jan Hubicka <jh@suse.cz>
3643 PR rtl-optimization/28071
3644 * global.c (greg_obstack): New obstack.
3645 (allocate_bb_info): Use it.
3646 (free_bb_info): Likewise.
3647 (modify_reg_pav): Likewise.
3649 2006-07-27 Roger Sayle <roger@eyesopen.com>
3651 * builtins.c (fold_fixed_mathfn): When long and long long are the
3652 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3653 functions to their lceil*, lfloor*, lround* and lrint* forms.
3655 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3658 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3660 (rev_branch_insn): Likewise.
3662 2006-07-27 Jan Hubicka <jh@suse.cz>
3664 PR rtl-optimization/28071
3665 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3666 (reg_set_in_bb, max_reg_computed): New static variables.
3667 (regmove_optimize): Free the new array.
3668 (fixup_match_1): Update call of reg_is_remote_constant_p.
3670 2006-07-26 Jan Hubicka <jh@suse.cz>
3672 PR tree-optimization/27882
3673 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3675 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3677 (cgraph_analyze_compilation_unit): Likewise.
3678 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3679 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3680 (cgraph_early_inlinine): Make order garbage collected.
3681 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3683 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3685 * dbxout.c (output_types_sort): Add a comment.
3686 (output_used_types): Free the VEC.
3688 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3690 * function.c (reorder_fix_fragments): Delete.
3691 (reorder_blocks): Don't call it.
3692 (reorder_blocks_1): Put all subblocks under the origin block.
3694 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3696 PR rtl-optimization/27907
3697 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3700 2006-07-25 Roger Sayle <roger@eyesopen.com>
3703 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3704 bar(x) check that bar's result type can represent all the values of T.
3706 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3708 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3710 2006-07-25 Nick Clifton <nickc@redhat.com>
3712 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3713 size_lookup[] array.
3714 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3715 (ggc_pch_count_object): Likewise.
3716 (ggc_pch_alloc_object): Likewise.
3717 (ggc_pch_write_object): Likewise.
3718 (init_ggc): Do not attempt to initialize entries in the
3719 size_lookup[] array for objects whose size is greater than than
3720 the length of the array.
3722 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3724 * dbxout.c (output_used_types_helper): Push queued types
3726 (output_types_sort): New.
3727 (output_used_types): Collect used types on a VEC and sort them
3730 2006-07-24 Richard Guenther <rguenther@suse.de>
3733 * cgraph.c (cgraph_remove_node): Do not check if dumps
3735 * cgraphunit.c (cgraph_optimize): Likewise.
3737 2006-07-24 Jan Hubicka <jh@suse.cz>
3739 PR rtl-optimization/28071
3740 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3741 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3742 splitting before first stmt.
3744 2006-07-24 Jan Hubicka <jh@suse.cz>
3746 PR rtl-optimization/28071
3747 * ipa-inline.c (update_caller_keys): Remove edges that
3748 are no longer inline candidates.
3750 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3753 * dbxout.c (output_used_types_helper, output_used_types): New.
3754 (dbxout_symbol): Call output_used_types.
3756 2006-07-23 Jan Hubicka <jh@suse.cz>
3760 * cgraph.c (cgraph_varpool_nodes): Export.
3761 (decide_is_variable_needed): Ignored "used" attribute in
3762 unit-at-a-time mode.
3763 * cgraph.h (cgraph_varpool_nodes): Declare.
3764 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3765 unit-at-a-time mode.
3767 2006-07-23 Roger Sayle <roger@eyesopen.com>
3770 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3771 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3772 the __gthrw form of thr_keycreate.
3773 (__gthread_key_delete): Silence the unused argument warning.
3775 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3778 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3779 Cache the last found '\0' marker to avoid quadratic behavior.
3781 2006-07-23 Jan Hubicka <jh@suse.cz>
3783 * i386.md (subsi_3_zext): Fix output template.
3785 2006-07-21 Mike Stump <mrs@apple.com>
3787 * doc/invoke.texi (C++ Dialect Options): Note that
3788 -fvisibility-inlines-hidden doesn't affect explicitly
3789 instantiationed inline methods.
3791 2006-07-20 Roger Sayle <roger@eyesopen.com>
3793 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3794 if the target assembler is GNU binutils' gas.
3795 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3796 whether to pass GNU gas or native as command line options.
3798 2006-07-20 Jason Merrill <jason@redhat.com>
3800 * tree.c (remove_attribute): New fn.
3801 * tree.h: Declare it.
3803 2006-07-20 Paul Brook <paul@codesourcery.com>
3806 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3807 they are invalidated by this instruction.
3809 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3812 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3814 2006-07-20 Eric Christopher <echristo@apple.com>
3817 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3819 2006-07-19 Eric Christopher <echristo@apple.com>
3821 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3822 Rewrite dependencies for libgcc_s.1.dylib.
3824 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3826 * except.c (duplicate_eh_regions_1): Clear next_peer.
3828 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3830 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3831 -mlongcall does not guarantee all calls will be long.
3832 * doc/extend.texi (long_call/short_call): Document that longcall
3833 does not guarantee a long call will be used.
3834 (longcall/shortcall): Likewise.
3836 2006-07-18 Roger Sayle <roger@eyesopen.com>
3839 * expmed.c (expand_shift): Additionally check that the shift_cost
3840 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3841 before implementing a LSHIFT_EXPR as a sequence of additions.
3842 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3843 middle-end that DImode shifts need to be synthesized by expand.
3845 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3848 * tree-ssa-operands.c (access_can_touch_variable): Update
3850 Return true if ALIAS is .GLOBAL_VAR.
3852 2006-07-18 David Daney <ddaney@avtrex.com>
3854 * gcc.c (display_help): Fix typo in help text.
3856 2006-07-18 Olivier Hainque <hainque@adacore.com>
3858 * tree.h (categorize_ctor_elements): Adjust prototype and add
3859 descriptive comment, both in accordance with the interface change
3861 * varasm.c (constructor_static_from_elts_p): New function.
3862 Whether a constructor node is a valid static constant initializer
3863 if all its elements are.
3864 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3865 * output.h: Declare it.
3866 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3867 is a valid constant initializer instead of computing the number of
3868 non-constant elements. Use constructor_static_from_elts_p for this
3869 purpose. Replace the head comment with an indication that this is a
3870 helper for categorize_ctor_elements.
3871 (categorize_ctor_elements): Same interface change as for the _1
3872 helper. Former head comment from this helper moved here, adjusted to
3873 account for the interface changes.
3874 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3875 (all_zeros_p): Likewise.
3876 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3877 static versions of the constructor from the categorize_ctor_elements
3878 return value instead of the formerly computed number of non-constant
3881 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3883 * configure: Regenerate.
3884 * Makefile.in (build_libsubdir): New configure substitution
3885 (build_libobjdir): New variable.
3886 (BUILD_LIBIBERTY): Use it.
3888 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3891 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3893 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3896 * c-common.c (handle_weakref_attribute): Ignore attribute in
3897 the same conditions the alias attribute is ignored.
3899 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
3901 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
3902 (dbxout_begin_prologue): Increment scope_labelno.
3904 2006-07-17 Richard Henderson <rth@redhat.com>
3907 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
3910 2006-07-17 Roger Sayle <roger@eyesopen.com>
3911 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3913 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
3914 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
3915 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
3916 functions such as sbrk, write, etc.. Add function prototypes.
3917 Convert function declarations from K&R to ISO C. Cast pointers
3918 to "long" and "unsigned long" instead of "int" and "unsigned int".
3919 Convert tokens following #endif into comments.
3921 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3923 * invoke.texi: Remove mention of f77; Reformat table for
3924 inline parameter options correctly; mention that -malign-double
3925 is default on x86-64 targets.
3927 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3929 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3930 (convert_affine_scev, chrec_convert_aggressive): Use
3931 avoid_arithmetics_in_type_p. Do not check for the subtypes
3934 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3937 * optabs.c (expand_doubleword_shift): Wrap the call to
3938 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3940 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3943 * optabs.c (expand_binop): Pass next_methods rather than methods
3944 to expand_doubleword_shift.
3946 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3949 * tree.h (dump_addr): Declare.
3950 * print-tree.c (dump_addr): New function.
3951 (print_node_brief, print_node): Use it.
3952 * print-rtl.c (print_rtx): Likewise.
3953 * common.opt (-fdump-noaddr): New option.
3954 * doc/invoke.texi (-fdump-noaddr): Document.
3955 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3956 (ve_info_hash): Likewise.
3958 2006-07-13 Andrew Haley <aph@redhat.com>
3960 PR tree-optimization/19505
3961 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3962 edge leaving this block, make sure that the destination of this
3963 block has only one predecessor.
3965 2006-07-17 Richard Guenther <rguenther@suse.de>
3967 PR tree-optimization/28238
3968 * tree-inline.c (copy_bb): Check if we produced valid
3969 gimple copying and substituting a stmt. If not, gimplify
3972 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3974 * optabs.c (maybe_encapsulate_block): New function extracted from...
3975 (emit_libcall_block): ...here. Invoke it on the block of insns to
3976 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3977 (emit_no_conflict_block): Likewise.
3979 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3981 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
3983 2006-07-15 Roger Sayle <roger@eyesopen.com>
3985 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
3986 a new NOP_EXPR case of the switch statement.
3988 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
3991 * stor-layout.c (place_field): Take the bit field with
3992 an excessive size into account in the ms-bitfiled case.
3995 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
3996 the previous bit field.
3998 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
4001 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
4003 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4005 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
4006 signal frames correctly even when the signal was installed with
4009 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
4011 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
4012 (dbxout_function_end): Use local label LFBB. Remove hook
4014 (dbxout_source_line): Use local label LFBB.
4015 (dbxout_block): Likewise.
4016 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
4017 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
4018 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
4019 and DBX_OUTPUT_NFUN.
4021 2006-07-13 Janis Johnson <janis187@us.ibm.com>
4023 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4025 2006-07-13 Jan Hubicka <jh@suse.cz>
4027 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4029 * output.h (align_variable): Declare.
4030 * varasm.c (align_variable): Export.
4031 * value-prof.c (tree_value_profile_transformations): Recompute iterator
4032 when basic block changed.
4034 2006-07-13 Nick Clifton <nickc@redhat.com>
4036 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4037 walking the LOG_LINKS chain.
4039 2006-07-12 Geoffrey Keating <geoffk@apple.com>
4041 * doc/invoke.texi (C++ Dialect Options): Explain difference
4042 between -fvisibility-inlines-hidden and setting hidden
4043 visibility explicitly.
4045 2006-07-12 Eric Christopher <echristo@apple.com>
4047 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4048 (stmp-lipo): Depend on libgcc.a.
4050 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
4052 * tree.c: Fix a comment typo.
4054 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
4056 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
4058 (umulhisi3_r): Likewise.
4060 2006-07-12 Paolo Carlini <pcarlini@suse.de>
4063 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
4064 x < 19, vs wchar_t support.
4066 2006-07-12 Nick Clifton <nickc@redhat.com>
4068 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
4069 instead of -isa=sh4.
4071 2006-07-12 Mike Stump <mrs@apple.com>
4073 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
4075 2006-07-10 Eric Christopher <echristo@apple.com>
4077 * config/t-slibgcc-darwin: Rewrite.
4079 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
4082 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
4085 2006-07-08 Matthias Klose <doko@debian.org>
4087 * doc/sourcebuild.texi: Fix typo.
4089 2006-07-07 Mike Stump <mrs@apple.com>
4091 * toplev.c (process_options): Don't give -ffunction-sections may
4092 affect debugging warning for Mach-O.
4094 2006-07-07 James E Wilson <wilson@specifix.com>
4096 * config/mips/mips.md (cpu): Add sb1a.
4097 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4098 addition to sb1. Adjust comments to clarify SB-1A differences from
4100 (ir_sb1a_load): New. Modify bypasses to use it.
4101 (ir_sb1a_simple_alu): Likewise.
4102 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4103 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4104 (mips_issue_rate): Add PROCESSOR_SB1A.
4105 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4106 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4107 (TARGET_SB1): Add PROCESSOR_SB1A check.
4108 (TUNE_SB1): Likewise.
4110 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4111 * config/mips/mips.c (mips_store_data_bypass_p): New.
4112 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
4113 store_data_bypass_p.
4115 2006-07-08 Paul Brook <paul@codesourcery.com>
4118 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4120 2006-07-07 Richard Guenther <rguenther@suse.de>
4123 * tree.h (build_one_cst): Declare.
4124 * tree.c (build_one_cst): New function.
4125 * tree-ssa-math-opts.c (get_constant_one): Remove.
4126 (insert_reciprocals): Use build_one_cst.
4127 * fold-const.c (fold_plusminus_mult): Likewise.
4129 2006-07-07 Roger Sayle <roger@eyesopen.com>
4131 * pointer-set.c (pointer_set_destroy): Correct whitespace.
4132 * cfgloopanal.c (dump_graph): Likewise.
4133 * dojump.c (discard_pending_stack_adjust): Likewise.
4134 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4136 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4137 * function.c (finalize_block_changes): Likewise.
4138 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4139 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4140 * rtl.c (dump_rtx_statistics): Likewise.
4141 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4143 * varray.c (dump_varray_statistics): Likewise.
4144 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4145 decode_decimal64, encode_decimal128, decode_decimal128,
4146 decimal_real_to_decimal): Likewise.
4148 2006-07-07 Richard Guenther <rguenther@suse.de>
4150 PR tree-optimization/28187
4151 * tree-vrp.c (vrp_operand_equal_p): New function.
4152 (vrp_bitmap_equal_p): Likewise.
4153 (update_value_range): Use them to compare old and new
4156 2006-07-06 Roger Sayle <roger@eyesopen.com>
4158 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4159 a default case to switch statement to silence compiler warnings.
4161 2006-07-06 Roger Sayle <roger@eyesopen.com>
4164 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4165 the configured assembler supports the x87's ffreep mnemonic.
4166 * configure: Regenerate.
4167 * config.in: Regenerate.
4169 * config/i386/i386.c (output_387_ffreep): New function.
4170 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4171 (output_387_reg_move): Likewise.
4173 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
4175 Port to hosts whose 'sort' and 'tail' implementations
4176 treat operands with leading '+' as file names, as POSIX
4177 has required since 2001. However, make sure the code still
4178 works on pre-POSIX hosts.
4179 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4180 which says you should use "tail -c +N" rather than "tail +Nc".
4181 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4183 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
4185 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4188 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4191 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4192 PRE_{INC,DEC} of TFmode.
4194 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4195 Alan Modra <amodra@bigpond.net.au>
4198 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4201 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4204 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4205 Remove duplicate gtu.
4207 2006-07-05 Jason Merrill <jason@redhat.com>
4211 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4212 * c-common.c (handle_packed_attribute): So don't copy it here.
4213 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4215 2006-07-05 Mike Stump <mrs@apple.com>
4217 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4219 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4222 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4224 2006-07-05 Richard Guenther <rguenther@suse.de>
4227 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4228 TARGET_SSE2 targets if using SSE math.
4229 (*absdf2_1): Likewise.
4231 2006-07-05 Richard Guenther <rguenther@suse.de>
4233 PR tree-optimization/28162
4234 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4235 make sure to convert the operands to the correct type.
4237 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4239 PR tree-optimization/28218
4241 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4242 to calculate and free the dominator information.
4244 2006-07-04 Peter O'Gorman <peter@pogma.com>
4246 * mklibgcc.in: chmod 644 before ranlib during install.
4248 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4249 J"orn Rennecke <joern.rennecke@st.com>
4251 * configure.ac (.eh_frame data check): Use diff -b.
4253 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4256 * Makefile.in (BUILD_RTL): Add build/vec.o.
4257 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4258 (build/genextract): Delete.
4259 (build/genautomata): Likewise.
4261 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4264 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4265 128-bit IBM long doubles for ABI_V4.
4267 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4269 * tree.c (range_in_array_bounds_p): New predicate.
4270 * tree.h (range_in_array_bounds_p): Declare it.
4271 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4272 return a less conservative answer.
4273 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4274 and flag 'is_group'.
4275 (IS_ELEMENT_FOR_GROUP): New macro.
4276 (FOR_EACH_ACTUAL_CHILD): Likewise.
4277 (next_child_for_group): New helper function.
4278 (can_completely_scalarize_p): Take into account groups.
4279 (sra_hash_tree): Handle RANGE_EXPR.
4280 (sra_elt_eq): Likewise.
4281 (lookup_element): Be prepared for handling groups.
4282 (is_valid_const_index): Delete.
4283 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4284 instead of is_valid_const_index.
4285 <ARRAY_RANGE_REF>: New case.
4286 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4287 is_valid_const_index.
4288 <ARRAY_RANGE_REF>: Do not unconditionally punt.
4289 (scan_dump): Dump info for groups too.
4290 (decide_instantiation_1): Likewise.
4291 (decide_block_copy): Assert that the element is not a group.
4292 Propagate decision to groups.
4293 (generate_one_element_ref): Handle RANGE_EXPR.
4294 (mark_no_warning): Iterate over actual childs.
4295 (generate_copy_inout): Likewise.
4296 (generate_element_copy): Likewise.
4297 (generate_element_zero): Likewise.
4298 (generate_element_init_1): Likewise.
4299 (dump_sra_elt_name): Handle RANGE_EXPR.
4301 2006-07-03 Roger Sayle <roger@eyesopen.com>
4303 PR tree-optimization/26251
4304 * tree-ssa-threadupdate.c (redirection_block_p): New function.
4305 (thread_block): When optimizing for size refuse to thread jumps
4306 that would require duplication of blocks other than redirection
4309 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4311 * configure.ac: Fix thinko in previous check-in.
4312 * configure: Regenerate.
4314 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4317 * configure.ac (for lang...): Simplify nesting of conditionals.
4318 Test subdir_requires for non-enabled languages. Move processing
4319 of lang_opt_files and lang_tree_fiels below that test.
4320 * configure: Regenerate.
4321 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4323 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4325 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4327 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4329 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4332 2006-06-29 Jason Merrill <jason@redhat.com>
4339 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4340 * c-common.c (c_determine_visibility): Handle it here.
4341 * c-decl.c (finish_decl): Call c_determine_visibility for
4343 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4345 * varasm.c (default_assemble_visibility): Likewise.
4346 * c-common.c (handle_visibility_attribute): Complain about trying
4347 to give visibility to an already defined class, or trying to change
4348 declared visibility. Always attach the attribute.
4353 * attribs.c (decl_attributes): Ignore type-in-place attributes
4354 once the type has been defined.
4356 2006-06-29 Roger Sayle <roger@eyesopen.com>
4359 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4360 to indicate the cpplib has issued an error message for us.
4362 2006-06-29 Asher Langton <langton2@llnl.gov>
4365 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4366 insert a label at the end of an function under Mach-O.
4368 2006-06-29 Eric Christopher <echristo@apple.com>
4369 Evan Cheng <evan.cheng@apple.com>
4371 * predicates.md (vector_all_ones_operand): New.
4372 (nonimmediate_or_sse_const_operand): Ditto.
4373 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4374 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4375 (standard_sse_mode_p): Ditto.
4376 (standard_sse_constant_p): Add case for -1 vector.
4377 (ix86_expand_vector_move): Try to use.
4378 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4379 Call standard_sse_constant_opcode.
4380 (*movv4sf_internal): Ditto.
4381 (*movv2df_internal): Ditto.
4383 2006-06-29 Roger Sayle <roger@eyesopen.com>
4385 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4386 of XEXP to extract the operands of a MATCH_CODE rtx.
4388 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4390 * tree.c (tree_size): Do not waste tail padding in
4391 struct tree_string and make the size be the same as
4392 build_string will generate.
4394 2006-06-28 Jason Merrill <jason@redhat.com>
4397 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4398 may_aliases already in the tag's annotations to the bitmap.
4400 2006-06-28 Roger Sayle <roger@eyesopen.com>
4402 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4404 2006-06-28 Roger Sayle <roger@eyesopen.com>
4406 * genpreds.c (generate_switch_p): New function.
4407 (add_mode_tests): Push the new mode test down inside an AND expr
4408 if this allows the switch-suitable MATCH_CODE to be near the root.
4409 (write_match_code_switch): New function to write a MATCH_CODE as
4411 (write_predicate_stmts): New function to write a predicate RTX
4412 expression as a sequence of statements.
4413 (write_one_predicate_function): Use write_predicate_stmts.
4414 (write_tm_constrs_h): Likewise.
4416 2006-06-26 Fred Fish <fnf@specifix.com>
4418 * config/mips/t-sb1: New file.
4419 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4422 2006-06-26 DJ Delorie <dj@redhat.com>
4424 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4426 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4427 Jayant Sonar <jayants@kpitcummins.com>
4428 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4430 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4431 (subsi3, subsi3_1, subsi3_2): New.
4432 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4433 * config/m32c/mov.md (SI mov peephole): New.
4434 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4435 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4437 2006-06-26 Olivier Hainque <hainque@adacore.com>
4439 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4440 a CALL_EXPR target function declaration.
4442 2006-06-26 Richard Guenther <rguenther@suse.de>
4444 * tree.c (build_string): Do not waste tail padding in
4447 2006-06-26 Richard Guenther <rguenther@suse.de>
4449 * ggc-page.c (init_ggc): Add missing element to size_lookup
4453 2006-06-23 Richard Guenther <rguenther@suse.de>
4455 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4456 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4457 alignment requests instead. Add verification code.
4458 Add struct tree_function_decl and struct tree_binfo size to
4459 extra_order_size_table. Add missing element to size_lookup
4462 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4465 * fold-const.c (const_binop): Be prepared for self returning zero.
4466 Simplify code handling complex values.
4468 2006-06-24 Olivier Hainque <hainque@adacore.com>
4470 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4471 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4474 2006-06-24 Olivier Hainque <hainque@adacore.com>
4476 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4477 ARRAY_REF, so have the callback called for the low bound expression.
4479 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4481 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4482 * c-typeck.c (c_common_type): Disallow operations on decimal float
4483 types and other float types.
4484 * convert.c (convert_to_real): Don't ignore conversions involving
4485 decimal float types.
4487 2006-06-23 Olivier Hainque <hainque@adacore.com>
4489 * tree.c (max_int_size_in_bytes): New function, inspired from
4490 code in function.c:assign_temp.
4491 * tree.h (max_int_size_in_bytes): Declare.
4492 * function.c (assign_temp): Use it.
4493 * gimplify.c (create_tmp_var): Relax the assertions on the type
4494 properties, not mandating constant size any more.
4495 (force_constant_size): New static function.
4496 (gimple_add_tmp_var): Use it, forcing variable size to a
4497 constant upper bound if it is not constant on entry.
4499 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4502 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4503 for initialization and setting of one_only flag to ...
4504 (i386_pe_encode_section_info): ...here.
4505 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4506 Recheck that the symbol has not been defined.
4508 2006-06-23 Richard Guenther <rguenther@suse.de>
4510 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4511 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4512 alignment requests instead. Add verification code.
4513 Add struct tree_function_decl and struct tree_binfo size to
4514 extra_order_size_table. Add missing element to size_lookup
4517 2006-06-22 Roger Sayle <roger@eyesopen.com>
4518 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4521 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4522 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4524 2006-06-23 Ben Elliston <bje@au.ibm.com>
4526 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4527 negate dn -- manipulate it directly.
4529 2006-06-22 Roger Sayle <roger@eyesopen.com>
4530 Steven Bosscher <stevenb.gcc@gmail.com>
4533 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4534 generated by gen_move_insn to add REG_LABEL notes if necessary.
4536 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4538 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4539 (leaf_entry): Remove use of MIN_ESA.
4541 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4543 PR rtl-optimization/28121
4544 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4547 2006-06-21 DJ Delorie <dj@redhat.com>
4549 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4551 (mulhisi3_r): Likewise.
4553 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4556 * coverage.c (coverage_counter_alloc): Leave the index type
4558 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4561 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4563 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4564 section from the "Options for Code Generation Conventions".
4566 2006-06-21 Richard Henderson <rth@redhat.com>
4570 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4572 (global_symbolic_operand): Allow weak symbols, even if local_p.
4574 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4576 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4577 (find_interesting_uses_address): Punt if above function returns true.
4579 2006-06-21 Richard Guenther <rguenther@suse.de>
4581 * configure: Regenerated.
4583 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4585 * config/mips/mips.c (function_arg): Where one part of a
4586 complex argument is in registers and the other part in the stack,
4587 return a REG not a PARALLEL.
4589 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4591 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4592 when cross-compiling. Do not substitute libstdcxx_incdir.
4593 * configure: Regenerated.
4595 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4597 * varasm.c (mergeable_string_section): Check for embedded NULs and
4598 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4599 rather than TREE_STRING_LENGTH bytes.
4601 2006-06-21 Richard Guenther <rguenther@suse.de>
4603 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4604 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4607 2006-06-21 Richrad Guenther <rguenther@suse.de>
4609 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4610 Limit iteration over the dominators.
4612 2006-06-20 Roger Sayle <roger@eyesopen.com>
4614 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4615 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4617 2006-06-20 Richard Guenther <rguenther@suse.de>
4618 Michael Matz <matz@suse.de>
4620 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4622 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4623 * et-forest.h (et_free_pools): Prototype new function.
4624 * et-forest.c (et_free_tree_force): Free parent occurrence.
4625 (et_free_pools): New function.
4626 * dominance.c (free_dominance_info): Free et-forest alloc
4629 2006-06-20 Roger Sayle <roger@eyesopen.com>
4631 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4632 integer modes, attempt to directly construct an integer constant.
4634 * fold-const.c (native_encode_vector): Determine the size of each
4635 element from the vector type instead of the first vector element.
4637 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4638 if all of its elements/components are constant.
4639 (build_constructor_from_list): Likewise.
4641 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4643 PR tree-optimization/27331
4644 * tree-data-ref.c (free_data_ref): New function.
4645 (create_data_ref): Fail if the data reference has unknown access
4647 (free_data_refs): Use free_data_ref.
4649 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4652 * tree-inline.c (setup_one_parameter): Strip useless
4653 type conversion before adding it to the IR.
4654 (declare_return_variable): Likewise.
4656 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4659 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4661 2006-06-19 Mike Stump <mrs@apple.com>
4663 * tree.c (variably_modified_type_p): VM arguments don't make the
4666 2006-06-19 Richard Guenther <rguenther@suse.de>
4668 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4669 type conversions after folding.
4671 2006-06-19 Richard Guenther <rguenther@suse.de>
4673 * ggc-page.c (extra_order_size_tab): Add entries with
4674 size of struct function and basic_block.
4675 (size_lookup): Extend to cover sizes up to 511.
4676 (ggc_alloc_stat): Adjust user.
4677 (ggc_pch_count_object): Likewise.
4678 (ggc_pch_alloc_object): Likewise.
4679 (ggc_pch_write_object): Likewise.
4681 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4683 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4684 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4687 2006-06-19 Denis Chertykov <denisc@overta.ru>
4689 * config/avr/libgcc.S : Correct my wrong previous commit.
4691 2006-06-19 Roger Sayle <roger@eyesopen.com>
4694 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4695 have stripped a SUBREG from the shift count, so we may need to
4696 convert_to_mode back to the type's mode before calling make_tree.
4697 Use new_amount instead of amount to avoid expanding a tree twice.
4699 2006-06-19 Richard Guenther <rguenther@suse.de>
4702 * fold-const.c (operand_equal_p): Check if the argument types
4703 have the same precision before stripping NOPs.
4705 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4707 Fix PR tree-optimization/27341
4708 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4710 * tree-complex.c (pass_lower_complex): Update SMT usage.
4712 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4714 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4715 Add a new alternative to the constraint strings. Add move of
4716 operand 1 to 3 to the splitter definition.
4717 ("doloop_si_long"): Second contraint alternative removed.
4719 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4721 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4722 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4724 (AVR_HAVE_MOVW) Define.
4725 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4726 (ASM_SPEC): Add avr25.
4727 (LINK_SPEC): Add avr25.
4728 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4729 (base_arch_s): Add new member 'have_movw_lpmx'.
4730 (avr_arch_types): Init 'have_movw_lpmx'.
4731 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4732 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4733 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4734 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4735 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4737 (avr_file_start): Do not output '.arh' derective.
4738 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4739 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4740 * config/avr/avr.md (mcu_enhanced): Delete.
4741 (mcu_have_movw): Define.
4742 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4743 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4744 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4745 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4746 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4747 attiny861 and at86rf401 devices.
4749 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4751 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4754 2006-06-17 Karl Berry <karl@gnu.org>
4756 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4757 doc/gccint.texi, doc/install.texi (@dircategory): Use
4758 "Software development" instead of "Programming", following
4759 the Free Software Directory.
4761 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4763 * config/i386/i386.c (legitimate_tls_address)
4764 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4765 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4766 (*tls_dynamic_gnu2_combine_64): Likewise.
4768 2006-06-16 Richard Guenther <rguenther@suse.de>
4771 * fold-const.c (negate_expr_p): Do not introduce undefined
4772 overflow in negating INTEGER_CSTs.
4773 (fold_negate_expr): Rename from negate_expr. Revert last
4774 change for folding BIT_NOT_EXPR. Change semantics to
4775 return NULL_TREE for non-simplified negations. Do not
4776 strip type conversions and unify type handling.
4777 (negate_expr): New function, wrap around fold_negate_expr
4778 but ensure building a tree always. Strip type conversions
4779 here, fold to result type.
4780 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4782 2006-06-16 Roger Sayle <roger@eyesopen.com>
4785 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4786 that (would) return their results in stack registers.
4788 2006-06-16 Michael Matz <matz@suse.de>
4789 Richard Guenther <rguenther@suse.de>
4791 * fold-const.c (fold_truthop): Only return new tree node if
4792 we canonicalized something.
4794 2006-06-16 Richard Guenther <rguenther@suse.de>
4796 * function.h (enum function_frequency): Move declaration
4797 out of struct function.
4798 (struct function): Move bool fields and the enum to the bitfield
4799 section. Reorder elements to avoid padding. Remove unused
4800 fields left over from the RTL inliner removal.
4801 * function.c (free_after_compilation): Do not zero removed fields.
4802 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4803 (ipa-type-escape.o): Likewise.
4805 2006-06-16 Richard Guenther <rguenther@suse.de>
4807 * cgraph.h (struct cgraph_local_info): Turn bool elements
4809 (struct cgraph_node): Likewise.
4810 (struct cgraph_varpool_node): Likewise.
4812 2006-06-15 Richard Guenther <rguenther@suse.de>
4814 * fold-const.c (fold_truth_not_expr): Rename from
4815 invert_truthvalue. Give it fold_* semantics to avoid
4817 (invert_truthvalue): New function. Wrapper around
4818 fold_truth_not_expr.
4819 (optimize_minmax_comparison): Avoid creating garbage.
4820 (fold_unary): Use fold_truth_not_expr for folding
4822 (fold_ternary): Replace uses of invert_truthvalue with
4823 fold_truth_not_expr where applicable.
4824 * tree.h (fold_truth_not_expr): Prototype.
4826 2006-06-16 Richard Guenther <rguenther@suse.de>
4828 PR tree-optimization/27781
4829 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4830 * ipa-pure-const.c (target.h): Include.
4831 (analyze_function): Do not analyze functions that do not
4834 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4837 * tree-dfa.c (referenced_vars_dup_list): Remove.
4838 (find_referenced_vars): Remove assert.
4839 (referenced_var_check_and_insert): Replace dup list with assert.
4840 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4841 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4843 2006-06-15 Richard Guenther <rguenther@suse.de>
4845 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4846 extra unused identifiers if not dumping.
4847 (create_variable_info_for): Likewise.
4849 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4851 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4852 (derive_constant_upper_bound): Derive more precise upper bound in
4853 common cases. Return type changed to double_int.
4854 (record_estimate): Reflect the changed return type of
4855 derive_constant_upper_bound.
4856 * double-int.c (double_int_zext, double_int_sext): Fix.
4858 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4860 * configure.ac (CFLAGS): Get them from the toplevel or from the
4861 configure invocation.
4862 * configure: Regenerate.
4863 * Makefile.in (CFLAGS): Substitute value provided by configure.
4865 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4868 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4869 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4870 rather than calling add_stmt on it.
4871 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4873 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4876 * reload1.c (reload): Remove registers returned by update_eliminables
4877 from used_spill_regs.
4879 2006-06-13 DJ Delorie <dj@redhat.com>
4881 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4883 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4885 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4886 html__strip_dir, html__mkdir_p. Enhance install-html target.
4887 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4888 * configure: Regenerate.
4890 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4892 * fold-const.c (fold_cond_expr_with_comparison): Check for
4893 Objective-C++ as language in deciding COND_EXPR transformation.
4895 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
4898 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
4899 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
4900 * config/sh/lib1funcs.h (SL, SL1): Define.
4901 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
4902 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
4903 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
4904 (OBJS_Os_4_200): New variable.
4905 ($(T)libgcc-Os-4-200.a): Use it.
4906 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
4907 when dividing 1 and/or by 0.
4909 2006-06-13 Roger Sayle <roger@eyesopen.com>
4911 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
4912 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
4913 * configure: Regenerate.
4915 2006-06-13 Jie Zhang <jie.zhang@analog.com>
4917 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
4918 for real instruction.
4920 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4923 * haifa-sched.c (check_cfg): Handle special case.
4925 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4928 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4929 Add debug_info parameter. Chain the vars to the BLOCK instead
4930 of the BIND_EXPR if debug info are requested for them.
4931 (pop_gimplify_context): Adjust for above change.
4932 (gimple_add_tmp_var): Likewise.
4933 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4935 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4936 (convert_local_reference): Likewise.
4937 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4938 (finalize_nesting_tree_1): Request that debug info be emitted
4939 for debug_var_chain.
4941 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4943 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4944 for PR target/27863.
4946 2006-06-13 Richard Guenther <rguenther@suse.de>
4949 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4951 2006-06-13 Richard Guenther <rguenther@suse.de>
4953 PR tree-optimization/27830
4954 * tree-inline.c (copy_body_r): For copying the operand
4955 of an ADDR_EXPR make sure to fold &* afterwards.
4957 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4959 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4960 lvalues in the fb_none case with side-effects.
4962 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4964 * tree-flow.h: Remove the prototype for
4965 compute_phi_arg_on_exit.
4966 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4967 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4970 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4972 * builtins.c (expand_builtin_return_addr): Only use
4973 frame_pointer_rtx when count == 0 and we are expanding
4974 __builtin_return_address.
4976 2006-06-12 Fred Fish <fnf@specifix.com>
4978 * config/mips/mips.c (mips_file_start): Create special section
4979 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
4981 2006-06-11 Eric Christopher <echristo@apple.com>
4984 * stor-layout.c (place_field): Remove check for
4985 remaining_in_alignment when aligning at the end of a run.
4987 2006-06-11 Eric Christopher <echristo@apple.com>
4990 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
4993 2006-06-11 Roger Sayle <roger@eyesopen.com>
4996 Revert incorrect fix for PR target/27158
4997 2006-05-08 Roger Sayle <roger@eyesopen.com>
4998 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4999 of a reg_equiv_constant if the result is a legitimate constant.
5001 2006-06-11 Roger Sayle <roger@eyesopen.com>
5004 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5005 extract a CONST_VECTOR element and interpret it as an integer.
5006 (vspltis_constant): Use const_vector_elt_as_int instead of the
5007 macro CONST_VECTOR_ELT in order to handle FP vector modes.
5008 * config/rs6000/predicates.md (easy_vector_const): Consider
5009 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
5011 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
5014 * stor-layout.c (update_alignment_for_field): Don't add extra
5015 alignment for packed non-bitfield fields in ms_bitfield_layout_p
5018 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
5020 * config/mips/t-rtems: Add EL/EB multilib variants.
5022 2006-06-09 Mike Stump <mrs@apple.com>
5024 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5026 2006-06-09 David Daney <ddaney@avtrex.com>
5028 * doc/install.texi: Add binutils version recommendation for mips-*-*.
5030 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
5032 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
5034 2006-06-09 Richard Guenther <rguenther@suse.de>
5036 PR tree-optimization/26998
5037 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
5038 of signed types, only TYPE_MIN_VALUE is special, but for both,
5039 minimum and maximum value. Likewise VR_ANTI_RANGE is special
5040 in this case, as is -fwrapv.
5042 2006-06-08 Mike Stump <mrs@apple.com>
5045 * config/darwin.c (darwin_asm_output_anchor): Disable
5046 -fsection-anchors on darwin for now.
5047 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
5048 * rs6000/rs6000.c (optimization_options): Likewise.
5050 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5053 * config/i386/i386.c (classify_argument): Skip fields with invalid
5056 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
5058 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
5059 (cse_insn): Likewise for the stack_pointer_rtx.
5061 2006-06-08 Roger Sayle <roger@eyesopen.com>
5063 * tree-ssa-dom.c (record_conditions): Only record "unordered"
5064 conditions from floating point comparisons.
5066 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
5069 * expmed.c (struct alg_hash_entry): Fix type of field T
5070 to match synth_mult argument.
5071 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
5073 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5076 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
5079 2006-06-08 Richard Guenther <rguenther@suse.de>
5082 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
5083 only, if overflow is defined and not trapping.
5084 (negate_expr): Likewise.
5086 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5088 PR tree-optimization/27872
5089 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5090 flag on the new exit edge of the unrolled loop.
5092 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5094 PR rtl-optimization/26449
5095 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5097 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
5100 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
5101 referenced_variables with matching DECL_UID's.
5102 (find_referenced_vars): Make sure duplicate list is empty to start.
5103 (referenced_var_p): Remove.
5104 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5105 Check if var is in the list, and add if needed. Update the duplicate
5106 list if a different var is in the list with the same DECL_UID.
5107 (add_referenced_var): Call routine to check and insert.
5108 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5109 * tree-flow.h (referenced_vars_dup_list): External declaration.
5111 2006-06-07 Fred Fish <fnf@specifix.com>
5113 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5116 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
5119 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5120 the imaginary and real parts of a clobbered register.
5121 Emit insn to set the imaginary part.
5123 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
5125 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5126 in lieu of unwind-dw2-fde.c.
5128 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5130 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5132 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
5135 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5136 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5137 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5138 V4SImode temporaries and operations instead.
5140 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
5142 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5145 2006-06-06 Mike Stump <mrs@apple.com>
5147 * Makefile.in: Rename to htmldir to build_htmldir to avoid
5148 installing during build.
5150 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5152 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5154 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5155 * config/ia64/ia64.c (params.h): New header.
5156 (ia64_optimization_options): New function to adjust parameters.
5157 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5158 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5159 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5161 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
5163 * stor-layout.c (debug_rli): Fix a typo in a debug message.
5165 2006-06-05 Steve Ellcey <sje@cup.hp.com>
5168 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5170 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
5171 Victor Kaplansky <victork@il.ibm.com>
5173 PR tree-optimization/26360
5174 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5177 2006-06-04 Roger Sayle <roger@eyesopen.com>
5178 Andrew Pinski <pinskia@physics.uc.edu>
5181 * c-common.c (c_common_truthvalue_conversion): Explicitly check
5182 for LABEL_DECL before calling DECL_WEAK.
5185 * c-typeck.c (build_binary_op): Likewise, explicitly check for
5186 LABEL_DECL and PARM_DECL.
5188 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
5192 * c-decl.c (grokdeclarator): Disallow variably modified types at
5193 file scope. Avoid marking shared array type of constant size as
5196 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5199 * c-common.c (fold_offsetof_1): Handle static members.
5201 2006-06-04 Eric Christopher <echristo@apple.com>
5203 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5204 (debug_rli): Output value for remaining_in_alignment.
5205 (update_alignment_for_field): Unconditionalize
5206 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5207 extra alignment code.
5208 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5209 ms_bitfield_layout_p code. Rewrite handling of structure fields.
5210 * tree.h (record_layout_info_s): Remove prev_packed.
5211 * doc/extend.texi (ms_struct): Add documentation of format.
5213 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5215 * tree.h: Declare folding_initializer.
5216 * builtins.c (fold_builtin_constant_p): Give definite answer
5217 if folding inside an initializer.
5218 * fold-const.c: Define folding_initializer.
5219 (START_FOLD_INIT): Save and then set folding_initializer.
5220 (END_FOLD_INIT): Restore folding_initializer.
5222 2006-06-04 Richard Guenther <rguenther@suse.de>
5224 PR tree-optimization/27039
5225 * fold-const.c (fold_comparison): Handle pointer comparison
5226 again for all comparison codes. Compare offsets in signed
5228 (fold_binary): Move code from here.
5230 2006-06-03 Roger Sayle <roger@eyesopen.com>
5233 * config/i386/i386.c (construct_container): Split static issued_error
5234 flag into issued_sse_arg_error, issued_sse_ret_error and
5235 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5236 requires the use of x87 registers and the user explicitly
5237 specified the -mno-80387 command line option.
5239 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5241 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5242 HAVE_DECL_SIGALTSTACK.
5244 (segv_handler): Use MC_FLD.
5245 * configure.ac: Check for a sigaltstack declaration.
5246 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5247 * configure: Regenerate.
5248 * config.in: Regenerate.
5250 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5253 * Makefile.in (stmp-fixinc): Fix typo.
5255 2006-06-02 Roger Sayle <roger@eyesopen.com>
5257 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5258 are type correct. Clean-up.
5259 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5260 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5262 2006-06-01 DJ Delorie <dj@redhat.com>
5264 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5265 shift, as we've disabled the "switch" insn that needs it.
5267 2006-06-01 Per Bothner <bothner@bothner.com>
5269 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5270 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5271 * c-ppoutput.c (cb_define): Don't increment line 0.
5273 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
5275 * doc/invoke.texi: Add cpu_type power6.
5276 * config.gcc: Add cpu_type power6.
5277 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5278 to power5+ with Altivec.
5279 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5280 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5282 2006-05-30 Anatoly Sokolov <aesok@post.ru>
5284 * config/avr/avr.h (SET_ASM_OP): Define.
5286 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
5288 * config/bfin/bfin.c: Fix comment typos.
5290 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5293 * doc/install.texi: Document --enable-bootstrap and
5294 --disable-bootstrap.
5296 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5298 * doc/install.texi: Document that InfoZIP can replace jar.
5300 2006-05-31 Roger Sayle <roger@eyesopen.com>
5302 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5303 isn't available, directly generate the simpler x87 patterns without
5304 the (use (const_int 0)).
5305 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5306 implementation isn't available.
5307 (*negdf2_1): Likewise.
5308 (*negxf2_1): XF mode negation is always done using the x87.
5309 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5311 2006-05-31 Roger Sayle <roger@eyesopen.com>
5313 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5314 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5316 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5318 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5320 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5321 * config/bfin/bfin.c (basic-block.h): Include.
5322 (struct machine_function): New.
5323 (bfin_init_machine_status): New.
5324 (override_options): Initialize init_machine_status.
5325 (bfin_hardware_loop): New.
5326 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5327 (DEF_VEC_P (loop_info)): New.
5328 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5329 (struct loop_info): New.
5330 (loop_info): New typedef.
5331 (struct loop_work): New.
5332 (loop_work): New typedef.
5333 (DEF_VEC_O (loop_work)): New.
5334 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5335 (bfin_dump_loops): New.
5336 (bfin_bb_in_loop): New.
5337 (bfin_scan_loop): New.
5338 (bfin_optimize_loop): New.
5339 (bfin_reorg_loops): New.
5340 (bfin_reorg): Use bfin_reorg_loops.
5341 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5343 (I_REGNO_P): Simplify.
5344 (DP_REGNO_P, DPREG_P): New macros.
5345 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5346 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5347 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5348 Add LT_REGS, LC_REGS, LB_REGS.
5349 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5351 (REGNO_REG_CLASS): Deal with loop registers.
5352 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5354 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5355 New constants for loop registers.
5356 (UNSPEC_LSETUP_END): New.
5357 (seq_insns): New define_attr. Set it for appropriate insns.
5358 (movsi_insn): Add alternatives for move from/to
5359 loop count registers.
5360 (doloop_end): New define_expand.
5361 (loop_end): New define_insn.
5362 (define_split for bad doloop_end): New.
5363 (lsetup_with_autoinit): New define_insn.
5364 (lsetup_without_autoinit): New define_insn.
5365 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5366 * config/bfin/predicates.md (lc_register_operand): New.
5367 (lt_register_operand): New.
5368 (lb_register_operand): New.
5369 (nondp_register_operand): New.
5370 (nondp_reg_or_memory_operand): New.
5371 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5373 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5375 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5376 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5378 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5380 * Makefile.in (CATALOGS): Add po/ prefix.
5381 * configure: Regenerated.
5383 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5386 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5387 a shift operand before calling shift_op. Avoid redundant call of
5390 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5391 DJ Delorie <dj@redhat.com>
5393 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5394 we're inserting is a singlt-bit constant.
5396 2006-05-30 Roger Sayle <roger@eyesopen.com>
5398 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5399 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5401 2006-05-30 Roger Sayle <roger@eyesopen.com>
5403 PR tree-optimization/23452
5404 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5405 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5406 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5407 complex values and with -ffast-math for FP complex values.
5409 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5411 * c-common.h: Remove the prototype for yyparse.
5412 * rtl.h: Remove the prototype for init_loop.
5414 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5416 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5419 2006-05-30 Roger Sayle <roger@eyesopen.com>
5421 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5423 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5424 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5426 2006-05-30 Dirk Mueller <dmueller@suse.de>
5429 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5430 for CONSTANT_CLASS_P expresisons.
5432 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5435 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5437 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5439 PR tree-optimization/27779
5440 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5441 initial_condition instead of CHREC_LEFT.
5443 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5445 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5446 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5447 Make prototypes ISO C90.
5449 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5450 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5452 * see.c (see_analyze_one_def): Correct check.
5453 (see_get_extension_data): Check if extension is parallel.
5454 (see_get_extension_reg): Likewise.
5456 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5459 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5460 into register for (code == GTU).
5462 2006-05-29 Roger Sayle <roger@eyesopen.com>
5464 PR tree-optimization/24964
5465 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5466 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5467 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5468 abs(x)*abs(x) as x*x for scalar floating point modes.
5470 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5473 * lambda-code.c (perfect_nestify): Don't copy statements
5474 in the inner loop: move them to the inner loop header.
5476 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5479 * c-tree.texi: Document OpenMP directives and clauses.
5481 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5483 * varasm.c (globalize_decl): Fix indentation.
5485 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5488 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5489 pass_fre, pass_store_ccp, pass_copy_prop,
5490 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5491 pass_return_slot, pass_object_size, pass_lim,
5492 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5493 pass_loop_prefetch and pass_stdarg.
5495 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5497 * config/bfin/bfin.opt (mfdpic): New option.
5498 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5499 (EXTRA_MULTILIB_PARTS): Likewise.
5500 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5501 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5503 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5504 (CRT_CALL_STATIC_FUNCTION): New.
5505 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5507 (CRT_CALL_STATIC_FUNCTION): New.
5508 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5510 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5511 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5512 (initialize_trampoline): Changed to handle FD-PIC code generation.
5513 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5514 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5515 (override_options): Disallow -mid-shared-library -mfdpic combination.
5516 Can't do unaligned ops if FD-PIC.
5517 Turn off flag_pic if trying to generate non-id-shared-library
5518 non-fdpic code, since it's not supported.
5519 (bfin_assemble_integer): New function.
5520 (TARGET_ASM_INTEGER): Define.
5521 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5523 * config/bfin/crtn.s: Restore them.
5524 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5526 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5527 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5528 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5529 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5530 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5532 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5533 FDPIC_REGS and FDPIC_FPTR_REGS.
5534 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5535 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5536 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5537 (load_funcdescsi): New pattern.
5538 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5539 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5540 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5542 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5544 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5547 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5549 * tree-flow.h: Remove the prototype for add_type_alias.
5550 * tree-ssa-alias.c (add_type_alias): Remove.
5552 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5554 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5555 config/fr30/fr30.md, config/i386/i386-interix.h,
5556 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5557 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5558 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5559 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5560 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5561 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5562 Follow spelling conventions.
5563 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5564 Follow spelling conventions.
5566 2006-05-27 Richard Guenther <rguenther@suse.de>
5569 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5570 to produce a constant of value 1 of generic type.
5572 2006-05-27 Dirk Mueller <dmueller@suse.de>
5574 * cgraphunit.c (decide_is_function_needed): Fix wrong
5577 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5579 PR rtl-optimization/27661
5580 * reload.c (find_reloads): When reloading a VOIDmode constant
5581 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5582 use Pmode as mode of the reload register.
5584 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5586 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5587 is enabled at -O and above.
5589 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5592 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5595 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5598 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5599 for anonymous variables explicitly declared by front ends.
5601 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5603 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5604 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5605 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5606 ref-all pointers, run a finalization pass for them.
5607 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5608 (finalize_ref_all_pointers): New function.
5609 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5610 regular pointer type to a ref-all pointer type.
5611 (get_tmt_for): Return the special memory tag for ref-all pointers.
5613 2006-05-25 Richard Guenther <rguenther@suse.de>
5616 * fold-const.c (fold_binary): Do not look at the stripped
5617 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5619 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5621 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5622 for LT and GT if the computed range is effectively empty.
5624 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5627 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5628 mips_quad_format formats instead of ieee_single_format,
5629 ieee_double_format and ieee_quad_format formats, respectively.
5631 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5633 PR tree-optimization/27639
5634 PR tree-optimization/26719
5635 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5636 call to scev_probably_wraps_p.
5637 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5638 used_in_pointer_arithmetic_p, convert_step): Removed.
5639 (nowrap_type_p): New function.
5640 (scev_probably_wraps_p): Rewritten.
5641 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5642 chrec_convert if chrec_convert_aggressive might have been used.
5643 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5644 scev_direction): New functions.
5645 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5646 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5647 instead of convert_step.
5648 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5649 (convert_step): Declaration removed.
5650 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5652 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5654 * df-core.c: Added to header comments.
5655 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5656 df_ur_bb_info, df_urec_bb_info): Added comments.
5657 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5658 urec, ri problems): Fixed header comments.
5659 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5660 code from df_rd_transfer_function.
5662 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5664 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5665 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5666 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5668 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5670 * expr.c (undefined_operand_subword_p): New.
5671 (emit_move_multi_word): Do not generate move from undefined bits
5672 of a paradoxical subreg.
5674 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5676 PR rtl-optimization/27736
5677 * combine.c (replaced_rhs_value): New variable.
5678 (combine_instructions): Set it.
5679 (distribute_notes): When distributing a note in replaced_rhs_insn,
5680 check whether the value was used in replaced_rhs_value.
5682 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5685 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5686 add_referenced_var instead of add_referenced_tmp_var.
5687 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5688 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5690 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5691 tree_optimize_tail_calls_1): Use add_referenced_var.
5692 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5693 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5694 Use add_referenced_var.
5695 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5696 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5697 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5698 Use add_referenced_var.
5699 * tree-dfa.c (struct walk_state): Remove.
5700 (find_referenced_vars): Remove walk state and vars_found hash table.
5701 (make_rename_temp): Use add_referenced_var.
5702 (find_vars_r): Pass less parameters to add_referenced_var.
5703 (referenced_var_p): New. Is var in referenced_var hash table.
5704 (referenced_var_insert): Assert var isn't already in hash table.
5705 (add_referenced_var): Don't need walk_state parameter. Add var if it
5706 isn't already in the hash table.
5707 (add_referenced_tmp_var): Remove.
5708 (find_new_referenced_vars_1): Use add_referenced_var.
5709 * tree-ssa-pre.c (create_expression_by_pieces,
5710 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5711 Use add_referenced_var.
5712 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5713 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5714 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5716 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5717 vect_create_data_ref_ptr, vect_create_destination_var,
5718 vect_init_vector, vect_build_loop_niters,
5719 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5720 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5721 Use add_referenced_var.
5722 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5723 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5724 (add_referenced_var): Add prototype.
5725 * tree-ssa-structalias.c (get_constraint_for,
5726 intra_create_variable_infos): Use add_referenced_var.
5728 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5730 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5731 big-endian paradoxical subregs.
5732 * var-tracking.c (struct micro_operation_def): Document that,
5733 for modify micro operations, insn is the subsequent instruction.
5734 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5735 (var_reg_set, var_mem_set): ... new functions.
5736 (add_stores): Record subsequent insn.
5737 (compute_bb_dataflow): Use new functions for MO_USE.
5738 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5739 notes after the insn, and modify notes before the insn known
5740 to be the subsequent one.
5741 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5743 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5746 * config/i386/i386.c (ix86_expand_builtin): Use
5747 gen_sse3_monitor64 for TARGET_64BIT.
5749 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5751 PR rtl-optimization/26375
5752 PR rtl-optimization/26855
5753 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5755 (df_ru_bb_local_compute): Reversed statements and removed bogus
5756 comment explaining why they should be in wrong order.
5757 (df_ru_dump, df_rd_dump): Enhanced debug info.
5758 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5760 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5761 reaching uses and fixed space problem.
5763 2006-05-23 Jan Hubicka <jh@suse.cz>
5765 * cgraphunit.c (decide_is_function_needed): Also nested functions
5766 and functions declared inline can be optimized out at -O0.
5768 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5770 * doc/install.texi (Configuration): Remove reference to CrossGCC
5774 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5777 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5778 ix86_compare_emitted is non-NULL.
5780 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5783 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5786 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5788 PR rtl-optimization/25514
5789 * combine.c (replaced_rhs_insn): New variable.
5790 (combine_instructions): Set replaced_rhs_insn when trying to replace
5791 a SET_SRC with a REG_EQUAL note.
5792 (distribute_notes): Use replaced_rhs_insn when determining the live
5793 range of a REG_DEAD register.
5795 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5796 Anatoly Sokolov <aesok@post.ru>
5798 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5799 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5800 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5801 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5802 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5803 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5804 at90usb647, at90usb1286 and at90usb1287 devices.
5805 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5806 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5808 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5810 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5812 2006-05-22 Richard Guenther <rguenther@suse.de>
5815 2006-01-31 Richard Guenther <rguenther@suse.de>
5816 Paolo Bonzini <bonzini@gnu.org>
5818 * doc/install.texi (--disable-libgcc-math): Document.
5820 2006-05-22 Richard Guenther <rguenther@suse.de>
5823 2006-01-31 Richard Guenther <rguenther@suse.de>
5825 * doc/invoke.texi (-msselibm): Document.
5826 * target.h (expand_library_builtin): New target hook.
5827 * builtins.c (expand_builtin): Use expand_library_builtin.
5828 (default_expand_library_builtin): New function.
5829 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5830 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5831 (link_gcc_math_spec): Declare.
5832 (static_specs): Add link_gcc_math_spec.
5833 * expr.h (default_expand_library_builtin): Declare.
5834 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5835 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5836 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5837 * config/i386/i386.opt (msselibm): New target option.
5838 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5839 (ix86_init_sse_abi_builtins): New function.
5840 (ix86_expand_library_builtin): Likewise.
5841 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5842 (override_options): Handle error conditions wrt -msselibm.
5843 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5844 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5845 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5848 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5851 * c-common.c (self_promoting_args_p): Skip erroneous args.
5854 * c-decl.c (finish_struct): Skip erroneous fields.
5856 2006-05-22 Nick Clifton <nickc@redhat.com>
5858 * config/cris/cris.opt (march): Remove VarExists attribute.
5859 (max-stackframe=): Likewise.
5861 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5863 * doc/rtl.texi: Fix a typo.
5864 * see.c: Fix comment typos.
5866 * tree-ssa-structalias.h (alias_info): Remove num_references.
5868 2006-05-21 Mike Stump <mrs@apple.com>
5870 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5872 (darwin_pragma_options): Use BAD instead.
5873 (darwin_pragma_unused): Likewise.
5874 (darwin_pragma_ms_struct): Likewise.
5876 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5878 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5880 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5882 PR rtl-optimization/27671
5883 * simplify-rtx.c (simplify_relational_operation_1): Fix
5884 simplifications of (eq/ne (xor x y) y) and
5885 (eq/ne (xor x y) x).
5887 PR tree-optimization/26622.
5888 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5891 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5893 * tree-cfg.c: Prune whitespace.
5894 (debug_tree_cfg): Point to correct header containing the
5897 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5900 * cgraphunit.c (verify_cgraph_node): Typo in error message.
5902 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
5905 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
5906 or sorry count is non zero.
5908 2006-05-20 Andreas Schwab <schwab@suse.de>
5910 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5912 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
5913 Kenneth Zadeck <zadeck@naturalbridge.com>
5915 PR rtl-optimization/26855
5917 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
5919 (df_scan_alloc): Added code to properly handle multiword hard
5920 registers and add all_blocks parameter.
5921 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5922 code to properly handle multiword hard registers.
5923 (df_rescan_blocks): Added code to remove deleted blocks from
5925 (df_ref_create_structure, df_ref_record): Added code to properly
5927 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5928 and set DF_REF_PARTIAL.
5929 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5930 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5931 (df_scan_add_problem): Added flags parameter.
5932 (df_ref_create_structure): Changed switching structure.
5933 (df_bb_refs_record): Fixed case where duplicate artificial refs
5934 were created. Changed location of flags.
5935 (df_record_entry_block_defs): Added code to make stack pointer
5936 live in entry block. Refined cases where frame pointer is needed.
5937 Changed location of flags.
5938 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5939 (df_set_state): Removed function.
5940 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5941 df_insn_create_insn_record, df_insn_refs_delete,
5942 df_ref_create_structure): Formatting changes.
5943 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5944 df_delete_basic_block): New function.
5945 (df_init): Changed location of flags.
5946 (df_add_problem): Added flags parameter and the way flags are
5948 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5949 debug_df_chain): Improved debugging output.
5950 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5951 (df_refs_chain_dump): Removed df parameter.
5952 (df_iterative_dataflow): Added consistency check.
5953 (df_prune_to_subcfg): Made public.
5954 (df_analyze_problem): Added blocks_to_init parameter and made
5956 (df_ref_record, df_bb_refs_record, df_mark_reg,
5957 df_record_exit_block_uses): Whitespace changes.
5958 (df_dump): Whitespace changes.
5959 * df.h: Some reordering to remove forward references.
5960 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5961 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5962 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5963 (dataflow.flags): New field.
5964 (df.flag): Deleted field.
5965 (df_alloc_function): Added additional bitmap parameter.
5966 (df_dependent_problem_function): New type.
5967 (df_problem.changeable_flags): New field.
5968 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5969 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5970 (df_mw_hardreg): New struct.
5971 (DF_INSN_UID_MWS): New macro.
5972 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5974 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5975 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5976 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5977 (df_set_state): Removed function.
5978 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
5979 * df-problems.c (df_chain_dump): Removed df parameter.
5980 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
5981 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
5983 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
5984 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
5985 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
5986 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
5987 DF_REF_MUST_CLOBBER cases.
5988 (df_ru_bb_local_compute_process_def,
5989 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
5990 df_lr_bb_local_compute, df_ur_bb_local_compute,
5991 df_chain_create_bb): Made subreg aware.
5992 (df_ru_bb_local_compute, df_rd_bb_local_compute,
5993 df_lr_bb_local_compute, df_lr_bb_local_compute,
5994 df_chain_create_bb): Cleanup to use proper macros.
5995 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
5996 code to fixup bitvectors.
5997 (df_ri_alloc): Cleared lifetime.
5998 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
5999 df_create_unused_note): New function.
6000 (df_ri_bb_compute, df_ri_compute): Added code to create/update
6001 REG_DEAD and REG_UNUSED notes as well as register information.
6002 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
6003 df_chains_dump): Fixed crash if problem was never run.
6004 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
6005 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
6006 df_ri_add_problem): Processes flags in uniform manner.
6007 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
6008 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
6009 df_rd_dump, df_urec_free_bb_info): Formatting changes.
6010 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
6011 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
6012 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
6013 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
6014 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
6015 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
6016 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
6017 * see.c (see_initialize_data): Ditto.
6018 * final.c (rest_of_clean_state) Added regstack_completed.
6019 * rtl.h (regstack_completed): Ditto.
6020 * reg-stack.c (regstack_completed): Ditto.
6022 2006-05-19 Mike Stump <mrs@apple.com>
6024 * c-tree.h (default_conversion): Remove.
6025 * c-common.h (default_conversion): Add.
6027 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
6029 * tree-vrp.c (valid_value_p): New function.
6030 (adjust_range_with_scev): Fail if the value of bound is not
6033 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6035 * config/mips/linux-unwind.h: Include <asm/unistd.h>
6036 (mips_fallback_frame_state): Use syscall numbers to determine
6037 the appropriate li instruction for the current ABI. Only use
6038 __NR_sigreturn for o32.
6040 2006-05-19 Nicolas Setton <setton@adacore.com>
6042 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6043 * langhooks.c (lhd_dwarf_name): New function.
6044 * langhooks-def.h (lhd_dwarf_name): Declare.
6045 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
6046 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
6047 * ada/misc.c (gnat_dwarf_name): New function.
6048 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
6050 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6052 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
6054 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6055 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
6056 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
6057 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
6058 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
6059 determine the size of Wtype, etc.
6060 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
6061 (swfloatfuncs): New variable.
6062 (dwfloatfuncs): Likewise.
6063 (lib2funcs): Remove floating-point conversion functions from
6064 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
6065 the set of conversion routines needed. Allow entries to specify
6066 an object name, filename and word size. Update users accordingly.
6067 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
6068 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
6072 2006-02-08 Roger Sayle <roger@eyesopen.com>
6075 * config/fixtfdi.c: New libgcc source file.
6076 * config/fixunstfdi.c: New source file.
6077 * config/floatditf.c: New source file.
6078 * config/floatunditf.c: New souce file.
6079 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6080 files above instead of config/mips/_tilib.c.
6081 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6083 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6085 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
6086 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
6088 2006-05-18 Mike Stump <mrs@apple.com>
6090 Fix up vla, vm and [*] sematics.
6096 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6097 (c_vla_unspec_p): Add.
6098 (c_vla_type_p): Add.
6099 * c-decl.c (struct c_scope): Add had_vla_unspec.
6100 (build_array_declarator): Add support for [*].
6101 (grokdeclarator): Likewise.
6102 (grokparms): Likewise.
6103 (get_parm_info): Likewise.
6104 * c-objc-common.c (c_vla_unspec_p): Likewise.
6105 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6106 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6107 typeof when argument is a variably modified type not inside sizeof or alignof.
6108 (c_parser_direct_declarator_inner): Propagate errors.
6109 (c_parser_sizeof_expression): Add support for [*].
6110 (c_parser_parms_declarator): Initialize had_vla_unspec.
6111 (c_parser_parms_list_declarator): Likewise.
6112 * c-typeck.c (c_vla_type_p): Add.
6113 (composite_type): Add support for vla compositing.
6114 (comptypes_internal): Add support for vla compatibility.
6115 (c_expr_sizeof_expr): Evaluate vla arguments.
6116 * tree.c (variably_modified_type_p): Update comment for [*].
6118 2006-05-18 Michael Matz <matz@suse.de>
6121 * config.host: Make assignments to host_xmake_file cumulative.
6122 * config.host (*-darwin*): Test $host, not $target.
6124 2006-05-12 Stuart Hastings <stuart@apple.com>
6126 * config/i386/i386.opt (-mstackrealign): New flag.
6127 * config/i386/i386.c (force_align_arg_pointer): New attribute.
6128 (ix86_handle_cconv_attribute): Emit error when
6129 force_align_arg_pointer attribute collides with too many regparms.
6130 (ix86_function_regparm): Limit regparms when used with
6131 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
6132 Support stack-realigning prologue in non-main functions. Emit
6133 warning for nested functions under -mstackrealign, emit error for
6134 nested functions with force_align_arg_pointer attribute.
6135 * doc/extend.texi (force_align_arg_pointer): Document it.
6136 * doc/invoke.texi (-mstackrealign): Document it.
6138 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
6140 PR rtl-optimization/27477
6141 * combine.c (try_combine): Don't split a parallel consisting
6142 of two sets into two individual sets if both sets reference
6145 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
6147 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6148 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6150 * doc/options.texi (VarExists): Updated.
6152 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6154 * unwind-dw2.c: Add declarations for uw_update_context and
6156 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6157 detected, advance frame state and context once to skip over stub.
6159 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6163 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6164 Call rewrite_into_loop_closed_ssa only when something changed.
6165 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6166 * lambda-code.c (can_convert_to_perfect_nest): Declared.
6167 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6168 Test for perfect_nest_p here. Fix formating.
6169 (replace_uses_equiv_to_x_with_y): Fix formating.
6170 (stmt_uses_op): Removed.
6171 (can_convert_to_perfect_nest): Removed loopivs parameter.
6172 Complete the test by checking the scalar dependences.
6173 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6176 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6179 From Dan Kegel <dank@kegel.com>:
6180 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6182 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
6184 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6185 if the element type is variably modified without recursing.
6187 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6190 * tree-loop-linear.c (try_interchange_loops): Test for
6191 no data dependences.
6193 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
6195 PR tree-optimization/27548
6196 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6197 range of ssa names that appear on abnormal edges.
6198 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6199 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6201 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6204 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6206 2006-05-17 Jakub Jelinek <jakub@redhat.com>
6209 * tree.h (OMP_PARALLEL_COMBINED): Define.
6210 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6211 (new_omp_context): Add is_combined_parallel argument.
6212 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6213 new_omp_context caller.
6214 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6215 Adjust gimplify_scan_omp_clauses callers.
6216 (omp_is_private): Issue errors if iteration variable is firstprivate
6217 or reduction in the current context.
6218 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6219 on combined parallel workshare constructs.
6221 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6223 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6224 (gcc-options.o): New rule.
6226 * optc-gen.awk: Protect variables for gcc-options.o with
6227 #ifdef GCC_DRIVER/#endif.
6229 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6231 Fix PR tree-optimization/27373
6232 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6233 (forward_propagate_addr_expr): Update call.
6235 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6237 * doc/options.texi: Move the Negative option.
6239 2006-05-16 Richard Guenther <rguenther@suse.de>
6241 PR tree-optimization/22303
6242 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6244 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6245 ccp_fold did not simplify the statement.
6247 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6250 * Makefile.in (GCC_OBJS): New.
6251 (OBJS-common): Add opts-common.o.
6252 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6253 (cpp$(exeext)): Likewise.
6254 (gcc.o): Also depend on opts.h.
6255 (opts-common.o): New.
6257 * common.opt (gcoff): Add Negative(gdwarf-2).
6258 (gdwarf-2): Add Negative(gstabs).
6259 (gstabs): Add Negative(gstabs+).
6260 (gstabs+): Add Negative(gvms).
6261 (gvms): Add Negative(gxcoff).
6262 (gxcoff): Add Negative(gxcoff+).
6263 (gxcoff+): Add Negative(gcoff).
6264 * config/i386/i386.opt (m32): Add Negative(m64).
6265 (m64): Add Negative(m32).
6267 * doc/options.texi: Document the Negative option.
6269 * gcc.c: Include "opts.h".
6270 (main): Call prune_options after expandargv.
6272 * optc-gen.awk: Generate common declarations for all flag
6273 variables in options.c. Output the neg_index field.
6275 * opts.c (find_opt): Moved to ...
6276 * opts-common.c: Here. New file.
6278 * opts.h (cl_option): Add a neg_index field.
6280 (prune_options): Likewise.
6282 2006-05-16 Jakub Jelinek <jakub@redhat.com>
6285 * omp-low.c (expand_omp_parallel): Don't assert
6286 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6287 instead search for it.
6290 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6293 2006-05-16 Andreas Schwab <schwab@suse.de>
6295 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6298 2006-05-15 Roger Sayle <roger@eyesopen.com>
6301 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6302 integer constants other than zero are only legitimate on TARGET_64BIT.
6303 <CONST_VECTOR> Only zero vectors are legitimate.
6304 (ix86_cannot_force_const_mem): Integral and vector constants can
6305 always be put in the constant pool.
6307 2006-05-16 DJ Delorie <dj@redhat.com>
6309 * crtstuff.c (__dso_handle): Set section from
6310 TARGET_LBIGCC_SDATA_SECTION if defined.
6311 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6312 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6314 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6317 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6320 2006-05-16 Ben Elliston <bje@au.ibm.com>
6322 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6324 2006-05-15 Per Bothner <per@bothner.com>
6326 * tree.c: (last_annotated_node): Use source_locus typedef.
6327 This permits bootstrapping with --enable-mapped-location.
6329 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6331 PR tree-optimization/26830
6332 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6333 (info_for_ssa_name, current_info_for_ssa_name_age,
6334 blocks_to_update): New variables.
6335 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6336 (clear_ssa_name_info, initialize_flags_in_bb,
6337 mark_block_for_update): New functions.
6338 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6339 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6340 prepare_def_site_for): Use mark_block_for_update.
6341 (mark_def_interesting): Assert that the processed block is marked in
6342 blocks_to_update. Do not take blocks argument.
6343 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6345 (rewrite_update_init_block, rewrite_update_stmt): Only process
6346 blocks with statements to rewrite.
6347 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6348 (update_ssa): Initialize and free blocks_to_update. Do not
6349 clear flags on statements. Do not use blocks bitmap.
6350 * tree.h (SSA_NAME_AUX): Removed.
6351 (struct tree_ssa_name): Removed aux field.
6352 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6354 2006-05-15 Richard Guenther <rguenther@suse.de>
6356 PR tree-optimization/27603
6357 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6358 Do computations in original type.
6360 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6362 * see.c: Code style changes such as redundant paranthesis,
6363 redundant intialization of local variables etc.
6364 (see_main): Declared now as static.
6365 * doc/invoke.texi: Update that -fsee is not enabled by
6368 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6370 * omp-low.c (check_omp_nesting_restrictions): New function.
6371 (scan_omp_1): Call it.
6374 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6375 construct, return *VAR.
6377 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6379 PR rtl-optimization/27406
6380 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6383 2006-05-14 Roger Sayle <roger@eyesopen.com>
6385 PR rtl-optimization/27538
6386 * combine.c (expand_compound_operation): Call gen_lowpart
6387 before calling simplify_shift_const.
6389 2006-05-14 Roger Sayle <roger@eyesopen.com>
6391 PR rtl-optimization/22563
6392 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6393 a fixed width bitfield, always force the intermediates into psuedos.
6395 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6398 * mkconfig.sh: Use operator = instead of == for test.
6400 2006-05-13 Nick Clifton <nickc@redhat.com>
6402 * dwarf2out.c (dbx_reg_number): Check return value from
6403 LEAF_REG_REMAP and only use it if it is valid.
6404 (multiple_reg_loc_descriptor): Likewise.
6406 2006-05-13 Richard Guenther <rguenther@suse.de>
6408 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6411 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6413 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6414 information attached to non-INSNs such as NOTEs.
6415 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6417 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6419 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6421 * config/s390/s390.md: Adjust comment describing On constraint.
6423 2006-05-11 Jan Hubicka <jh@suse.cz>
6425 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6426 to be output at -O0.
6428 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6431 * fold-const.c (size_binop): Move sanity check for arguments to
6432 the beginning of the function.
6435 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6438 2006-05-11 Richard Guenther <rguenther@suse.de>
6441 * fold-const.c (fold_unary): Handle intermediate conversion
6442 to a pointer type like intermediate conversion to an integer
6443 type in folding of (T1)(T2)var to var.
6444 Match the code to the comment in the final conversion for
6445 (T1)(T2)var to (T1)var regarding to type precision. Rather
6446 than disallow T1 being of pointer type, assert that both T1
6447 and var are of pointer type or not. Make sure not to fall
6448 over the frontends lazyness wrt array to pointer decay though.
6450 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6452 * arm.c (arm_struct_value_rtx): Delete.
6453 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6454 (arm_init_cumulative_args): Always initialize nregs to zero.
6456 2006-05-10 Richard Guenther <rguenther@suse.de>
6458 PR tree-optimization/27532
6459 * tree-object-size.c (plus_expr_object_size): Fix typo.
6461 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6464 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6465 ashrdi_const, ashrdi3): Use a scratch register.
6467 2006-05-10 Richard Guenther <rguenther@suse.de>
6469 PR tree-optimization/27302
6470 * fold-const.c (operand_equal_p): For two comparisons,
6471 try comparison of one comparison code swapped if that yields
6474 2006-05-10 Ben Elliston <bje@au.ibm.com>
6476 * tree-pretty-print.c (pretty_print_string): No need to handle
6477 '\0' as a special character.
6479 * tree.h: Include "hashtab.h".
6480 (iterative_hash_expr): Use hashval_t in its prototype.
6481 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6483 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6486 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6487 (hppa*64*-*-hpux11*): Ditto.
6488 (hppa[12]*-*-hpux11*): Ditto.
6490 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6493 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6495 2006-05-09 Michael Matz <matz@suse.de>
6497 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6498 host_extra_gcc_objs and host_xmake_file.
6499 (<*-*-linux*>): Don't overwrite host_xmake_file.
6500 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6501 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6502 (host_detect_local_cpu): Declare.
6503 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6504 * config/i386/i386.c (override_options): Handle -mtune=native
6506 * config/i386/x-i386: New file.
6507 * config/i386/driver-i386.c: New file.
6508 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6511 2006-05-09 Dirk Mueller <dmueller@suse.de>
6512 Richard Guenther <rguenther@suse.de>
6515 * fold-const.c (fold_read_from_constant_string): Relax check
6516 for matching types to matching modes.
6518 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6520 PR rtl-optimization/27335
6521 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6524 2006-05-08 Chao-ying Fu <fu@mips.com>
6525 Richard Sandiford <richard@codesourcery.com>
6527 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6528 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6529 * config/mips/mips.md (UNSPEC_SCC): New constant.
6530 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6531 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6532 (mips_emit_compare): Use it.
6533 (mips_expand_vcondv2sf): New function.
6535 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6537 Fix PR tree-optimization/27093
6538 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6539 renaming when they become not-used_alone.
6541 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6543 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6544 relocation and relocation stubs.
6546 2006-05-08 Eric Christopher <echristo@apple.com>
6548 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6551 2006-05-08 Jan Hubicka <jh@suse.cz>
6554 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6555 unused static functions are needed.
6557 2006-05-08 Roger Sayle <roger@eyesopen.com>
6560 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6561 of a reg_equiv_constant if the result is a legitimate constant.
6563 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6566 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6567 standard 80387 constants, raise the cost to prevent
6568 compress_float_constant() to generate load from memory.
6570 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6572 * config/arm/constraints.md (c): Fix a typo.
6574 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6577 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6580 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6582 (_mm_mwait): Likewise.
6584 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6586 (sse3_monitor): Make it 32bit only.
6587 (sse3_monitor64): New. 64bit monitor.
6589 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6592 * config/i386/i386.c (classify_argument): Skip fields with invalid
6595 2006-05-07 Richard Guenther <rguenther@suse.de>
6597 PR tree-optimization/27409
6598 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6599 Do not try to find zero-sized subvars.
6601 2006-05-07 Richard Guenther <rguenther@suse.de>
6603 PR tree-optimization/27136
6604 * tree-ssa-loop-niter.c (get_val_for): Correct function
6605 comment, assert requirements.
6606 (loop_niter_by_eval): Stop processing if the iterated
6607 value did not simplify.
6609 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6611 * opts.c (flag_see): remove its setting at -O3.
6613 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6615 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6616 * arm/constraints.md: New file.
6617 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6618 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6619 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6620 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6621 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6622 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6623 * arm.md: Include constraints.md.
6624 (thumb_movsi_insn): Use satisfies_constraint_J.
6625 (movhi, movqi): Use satisfies_constraint_I.
6627 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6629 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6630 for atmeg a645 device.
6632 2006-05-06 Richard Guenther <rguenther@suse.de>
6634 PR tree-optimization/27151
6635 * tree-vect-transform.c (vectorizable_condition): Punt on
6636 values that have a different type than the condition.
6638 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6641 * c-parser.c (c_parser_cast_expression): Only insert casts into
6642 hash table if pointer.
6643 * function.c (used_types_insert_helper): Rename from
6645 (used_types_insert): Call used_types_insert_helper.
6646 * function.h (used_types_insert): Accept only one argument.
6648 2006-05-05 David Edelsohn <edesohn@gnu.org>
6650 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6651 scratch with output modifier.
6653 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6656 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6657 with output modifier.
6659 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6662 * config/mips/mips.c (mips_symbolic_address_p): Return true
6663 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6664 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6666 2006-05-04 Richard Guenther <rguenther@suse.de>
6668 PR tree-optimization/14287
6669 PR tree-optimization/14844
6670 PR tree-optimization/19792
6671 PR tree-optimization/21608
6672 PR tree-optimization/27090
6673 * tree-ssa-pre.c (try_combine_conversion): New function.
6674 (compute_avail): After constructing the value-handle
6675 expression, use try_combine_conversion to combine NOP_EXPRs
6676 with previous value-handle expressions and use the result if it
6679 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6681 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6683 2006-05-04 Jan Hubicka <jh@suse.cz>
6686 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6688 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6690 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6691 that this only matches CONST_INTs. All users changed to VOIDmode
6694 * config/bfin/bfin.c: Include "optabs.h".
6695 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6697 (enum bfin_builtins): Add a number of fractional and vector builtins.
6698 (bfin_init_builtins): Likewise.
6699 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6700 (safe_vector_operand, bfin_expand_binop_builtin,
6701 bfin_expand_unop_builtin): New functions.
6702 (bfin_expand_builtin): Handle the new builtins.
6703 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6706 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6709 * Makefile.in (OBJS-common): Add see.o.
6710 (see.o): Add dependencies.
6711 * common.opt (fsee): New flag for the see optimization was added.
6712 * opts.c (flag_see): Initialized.
6713 * passes.c (init_optimization_passes, pass_see): New pass.
6714 * rtl.h (see_main): Declaration as extern.
6715 * timevar.def (TV_SEE): New.
6716 * tree-pass.h (pass_see): Declaration as extern.
6717 * invoke.texi (-fsee): Document.
6718 * recog.c (validate_simplify_insn): New function.
6719 * recog.h (validate_simplify_insn): Declaration as extern.
6720 * df-problems.c (df_chain_dump): Check for NULL.
6722 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6723 Daniel Berlin <dberlin@dberlin.org>
6725 * cfgrtl.c (insert_insn_bb_end_new): New function.
6726 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6728 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6730 * df.h (struct web_entry): Moved from web.c.
6731 (union_defs): Declaration as extern.
6732 (unionfind_root): Likewise.
6733 (unionfind_union): Likewise.
6734 * web.c (struct web_entry): Moved to df.h.
6735 (unionfind_root): Remove static declaration.
6736 (unionfind_union): Likewise.
6737 (union_defs): Likewise and generalize to use callback function.
6738 (web_main): Update arguments for union_defs function call.
6740 2006-05-04 Richard Guenther <rguenther@suse.de>
6742 PR tree-optimization/26447
6743 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6744 produce SSA_NAME copies before the store stmt to avoid
6745 breaking exception handling.
6747 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6750 * gimplify.c (omp_is_private): If var is shared in some outer context,
6751 return false instead of true. Stop searching on parallel context
6754 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6757 * coverage.c: Use get_gcov_unsigned_t() instead of
6758 unsigned_type_node all over.
6760 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6762 PR tree-optimization/27381
6763 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6764 maintain the same immediate_use links.
6765 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6766 node rather than segfaulting.
6768 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6771 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6772 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6773 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6775 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6777 Fix PR tree-optimization/26626
6778 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6780 * tree-ssa-operands.c (access_can_touch_variable): Allow
6781 typecasting through union pointers.
6783 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6786 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6787 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6788 to find if var will be a global variable even in the nested context.
6789 (omp_copy_decl): Only check for global variable at the end, it might
6790 be overridden in outer contexts.
6791 (scan_sharing_clauses): For global variables don't create a field.
6792 (lower_rec_input_clauses): Do nothing for global shared variables.
6793 Emit a barrier at the end of ILIST if there were any decls in both
6794 firstprivate and lastprivate clauses.
6795 (lower_send_clauses): Do nothing for global variables except for
6798 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6800 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6801 of the correct signedness is returned.
6803 2006-05-02 Jeff Law <law@redhat.com>
6805 PR tree-optimization/27364
6806 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6807 multiply expressions.
6809 2006-05-02 Tom Tromey <tromey@redhat.com>
6811 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6813 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6816 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6817 -mthumb -fPIC are used.
6819 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6820 Joshua Kinard <kumba@gentoo.org>
6823 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6824 with 64-bit pointers.
6826 2006-05-02 Paul Brook <paul@codesourcery.com>
6828 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6830 (create_fix_barrier): Check that a suitable barrier location is
6832 (arm_reorg): Include ftmp->address in allowable range of addresses.
6834 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6837 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6840 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6843 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6844 around RESULT_DECL for result passed by reference.
6845 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6846 * omp-low.c (use_pointer_for_field): Don't look at
6847 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6848 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6849 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6850 time or var for passing by reference for
6851 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6852 TREE_ADDRESSABLE variables when passing by reference.
6854 * omp-low.c (dump_omp_region): Fix output formatting.
6857 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6858 (expand_omp_parallel): Likewise.
6859 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6862 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6863 on statement list containing also constructors and destructors.
6864 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6867 * except.c (duplicate_eh_regions): Fix clearing of
6868 cfun->eh->region_array entries.
6870 2006-05-01 DJ Delorie <dj@redhat.com>
6872 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6874 (gcc_cv_objdump): Likewise.
6875 * configure: Regenerated.
6877 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6880 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6881 templates for case 3 and 4.
6883 2006-05-01 DJ Delorie <dj@redhat.com>
6885 * vec.c: Include bconfig.h when appropriate.
6886 * Makefile.in (build/vec.o): Adjust dependencies.
6887 * mkconfig.sh: Make sure config.h isn't used for build machine
6890 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6892 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6894 (mark_phi_for_rewrite): New function.
6895 (insert_phi_nodes_for, mark_use_interesting): Call
6896 mark_phi_for_rewrite.
6897 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
6898 (update_ssa): Initialize and free phis_to_rewrite.
6900 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6902 PR rtl-optimization/27291
6903 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
6904 folded to a constant.
6906 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6908 PR tree-optimization/27283
6909 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
6910 not whole # of iteration descriptions.
6911 (niter_for_exit): Return just # of iterations. Fail if # of iterations
6912 uses abnormal ssa name.
6913 (niter_for_single_dom_exit): Ditto.
6914 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
6915 return just the number of iterations.
6917 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6919 PR tree-optimization/27144
6920 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
6921 (record_estimate): Only record constant upper bound.
6922 (infer_loop_bounds_from_undefined): Call
6923 compute_estimated_nb_iterations just once.
6924 (proved_non_wrapping_p): Renamed to ...
6925 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6926 (convert_step_widening, scev_probably_wraps_p): Call
6927 n_of_executions_at_most instead of proved_non_wrapping_p.
6928 (substitute_in_loop_info): Do not replace values in bounds.
6929 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6932 2006-05-01 Richard Henderson <rth@redhat.com>
6935 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6936 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6939 2006-05-01 Roger Sayle <roger@eyesopen.com>
6941 * c-typeck.c (parser_build_binary_op): Don't call the function
6942 unsigned_conversion_warning to spot operand/result type overflow.
6943 (build_binary_op): Instead, call convert_and_check instead of
6944 convert to report the problem when the operands are promoted.
6945 * c-common.c (unsigned_conversion_warning): Make static.
6946 * c-common.h (unsigned_conversion_warning): Delete prototype.
6948 2006-05-01 Richard Guenther <rguenther@suse.de>
6950 PR tree-optimization/26726
6951 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6953 (find_interesting_uses_address): ... we work around here
6954 by folding INDIRECT_REFs in the substituted base.
6956 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6958 * omp-low.c (dump_omp_region): Add newlines.
6960 2006-04-30 Roger Sayle <roger@eyesopen.com>
6962 * common.opt (Woverflow): New command line option.
6963 * c-common.c (constant_expression_warning): Check warn_overflow.
6964 (overflow_waring): Pass OPT_Woverflow to warning.
6965 (unsigned_conversion_warning): Likewise.
6966 (convert_and_check): Likewise.
6967 * doc/invoke.texi: Document new command line option.
6969 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6971 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6972 TARGET_NO_FP_IN_TOC for section anchors.
6973 (optimization_options): Enable section anchors for all
6974 non-"Objective" languages.
6976 2006-04-28 Eric Christopher <echristo@apple.com>
6978 * config/darwin-c.c (darwin_ms_struct): Move this
6979 (darwin_set_default_type_attributes): and this...
6980 * config/darwin.c: ... here.
6981 * config/darwin.h (darwin_ms_struct): Declare.
6983 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
6985 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
6987 2006-04-28 Roger Sayle <roger@eyesopen.com>
6990 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
6991 (push_array_bounds): Delete prototype. Change BOUNDS argument to
6992 an unsigned HOST_WIDE_INT.
6993 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
6995 (really_start_incremental_init): No need to call convert because
6996 bitsize_zero_node is already of type bitsizetype.
6997 (push_init_level): Extract the value of constructor_index as an
6998 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
6999 (process_init_element): Likewise.
7001 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
7003 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
7004 value before passing to make_relative_prefix.
7006 2006-04-28 Alan Modra <amodra@bigpond.net.au>
7009 * builtins.c (expand_builtin_memset): Expand val in original mode.
7011 2006-04-27 Eric Christopher <echristo@apple.com>
7013 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
7014 with #ifndef/#endif.
7015 * config/darwin-c.c (darwin_ms_struct): New.
7016 (darwin_pragma_ms_struct): Ditto.
7017 (darwin_set_default_type_attributes): Ditto.
7018 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
7019 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7020 Register ms_struct pragma.
7021 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7022 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7023 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7024 darwin_set_default_type_attributes if TARGET_MACHO.
7026 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
7028 PR tree-optimization/26854
7029 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
7030 * doc/tree-ssa.texi: Update immuse iterator documentation.
7031 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
7032 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
7033 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
7034 first_safe_imm_use, next_safe_imm_use): Remove.
7035 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
7036 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
7037 (move_use_after_head): New. Helper function to sort immuses in a stmt.
7038 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
7039 (first_imm_use_stmt): New. Get first stmt in an immuse list.
7040 (next_imm_use_stmt): New. Get next stmt in an immuse list.
7041 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
7042 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
7043 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
7044 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
7045 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
7046 (perfect_nestify): Use new iterator.
7047 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
7049 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
7050 (next_imm_name): New field in struct immediate_use_iterator_d.
7051 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
7052 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
7053 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
7054 * tree-cfg.c (replace_uses_by): Use new iterator.
7055 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
7056 * tree-ssa-operands.c (correct_use_link): Remove.
7057 (finalize_ssa_use_ops): No longer call correct_use_link.
7059 2006-04-27 Stuart Hastings <stuart@apple.com>
7061 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
7062 * config/t-darwin (crt3.o): Use it.
7063 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
7064 'pmode', use Pmode instead of SImode for SYMBOL_REF.
7065 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
7066 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
7067 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
7070 2006-04-27 Roger Sayle <roger@eyesopen.com>
7072 * expmed.c (store_fixed_bit_field): If we're not optimizing for
7073 size, force the intermediate into a new pseudo rather instead of
7074 performing both a bitwise AND and a bitwise IOR in memory.
7076 2006-04-27 Richard Guenther <rguenther@suse.de>
7078 PR rtl-optimization/26685
7079 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
7080 this one "max-flow-memory-locations".
7082 2006-04-27 Richard Guenther <rguenther@suse.de>
7084 PR tree-optimization/25148
7085 * tree-vrp.c (compare_values): Remove code dealing with
7086 comparisons against type min/max value. Honour overflow
7087 and negative constants in code dealing with comparisons
7088 of plus and minus expressions.
7089 (value_inside_range): Use fold_binary with LE_EXPR and
7090 GE_EXPR rather than compare_values.
7092 2006-04-27 Dirk Mueller <dmueller@suse.de>
7094 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7097 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
7099 * basic-block.h (safe_insert_insn_on_edge): Removed.
7100 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7102 2006-04-26 David Edelsohn <edelsohn@gnu.org>
7103 Paolo Bonzini <bonzini@gnu.org>
7106 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7107 (simplify_and_const_int): Same.
7109 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
7111 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
7113 2006-04-26 Jakub Jelinek <jakub@redhat.com>
7116 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
7117 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
7118 cgraph_global_info_ready.
7121 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7124 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7125 either decl or init is error_mark_node.
7128 * tree-flow.h (struct omp_region): Add sched_kind.
7129 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7130 instead of extracting omp for data.
7131 (expand_omp_for): Save extracted sched_kind.
7133 2006-04-25 Roger Sayle <roger@eyesopen.com>
7135 * expmed.c (store_bit_field): Also check whether the bitsize is
7136 valid for the machine's "insv" instruction before moving the
7137 target into a pseudo for use with the insv.
7138 * config/i386/predicates.md (const8_operand): New predicate.
7139 * config/i386/i386.md (extv, extzv, insv): Use the new
7140 const8_operand predicate where appropriate.
7142 2006-04-25 DJ Delorie <dj@redhat.com>
7144 * doc/install.texi (Specific): Clarify that this is not a list of
7145 supported hosts or targets.
7147 2006-04-25 Richard Sandiford <richard@codesourcery.com>
7149 PR rtl-optimization/26725
7150 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7151 block's BB_DIRTY flag.
7153 2006-04-25 Geoffrey Keating <geoffk@apple.com>
7155 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7158 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7159 to print an integer.
7161 2006-04-25 David Edelsohn <edelsohn@gnu.org>
7163 * varasm.c (align_variable): New function.
7164 (get_block_for_decl): Apply align_variable to DECL before
7165 calculating section information.
7166 (assemble_variable): Split out alignment computation.
7168 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
7170 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7173 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
7175 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7176 MODE_PARTIAL_INT mode.
7177 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7178 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7180 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7181 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7183 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7185 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7187 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7188 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7189 MACFLAG_IH): Likewise.
7190 (movstricthi_1): Renamed from "*movstricthi".
7191 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7192 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7193 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7194 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7195 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7196 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7197 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7198 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7199 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7200 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7201 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7202 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7203 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7204 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7205 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7207 * doc/rtl.texi (ss_ashift): Improve wording.
7209 2006-04-24 Geoffrey Keating <geoffk@apple.com>
7211 * dwarf2out.c (verify_marks_clear): New.
7212 (prune_unused_types): Call verify_marks_clear initially, not
7215 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7217 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7218 * doc/rtl.texi: Document them.
7219 * simplify-rtx.c (simplify_unary_operation,
7220 simplify_binary_operation_1): Don't abort when we see them.
7222 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7225 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7226 * configure.ac: Completely disregard languages that are not
7228 * configure: Regenerated.
7230 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7231 Richard Guenther <rguenther@suse.de>
7233 PR tree-optimization/27236
7234 * tree-inline.c (copy_body_r): Make sure to copy
7235 TREE_THIS_VOLATILE flag.
7237 2006-04-24 Richard Guenther <rguenther@suse.de>
7240 * tree-complex.c (update_parameter_components): Don't handle
7241 unused parameters which have no default def.
7243 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7244 Richard Guenther <rguenther@suse.de>
7246 PR tree-optimization/27218
7247 * tree-inline.c (expand_call_inline): Strip useless type
7248 conversions for the return slot address.
7250 2006-04-24 Richard Guenther <rguenther@suse.de>
7252 * cfgloop.h (struct loops): Remove unused field array. Reorder
7254 (LOOP_PREFETCH): Remove.
7256 2006-04-24 Richard Guenther <rguenther@suse.de>
7258 PR tree-optimization/22525
7259 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7260 variable, adjust types of generated expressions.
7262 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7264 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7265 (tree-vect-patterns.o): Likewise.
7267 (cselib.o): Likewise.
7268 (loop-doloop.o): Likewise.
7269 (regclass.o): Likewise.
7270 (reload1.o): Likewise.
7271 (explow.o): Replace target.h with $(TARGET_H).
7272 (ipa-prop.o): Likewise.
7273 (ipa-cp.o): Likewise.
7274 (ipa-inline.o): Likewise.
7275 (reorg.o): Likewise.
7276 (reg-stack.o): Likewise.
7278 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7280 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7282 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7284 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7286 * configure.ac: Completely disregard languages that are not
7288 * configure: Regenerated.
7291 * c-common.h (c_build_bitfield_integer_type): Declare.
7292 * c-decl.c (c_build_bitfield_integer_type): Move to ...
7293 * c-common.c (c_build_bitfield_integer_type): ... here.
7295 2006-04-23 Roger Sayle <roger@eyesopen.com>
7298 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7299 a SImode SUBREG of a floating point register after no_new_pseudos.
7301 2006-04-23 Roger Sayle <roger@eyesopen.com>
7303 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7304 identify potentially eliminable registers to additionally catch
7305 VIRTUAL_INCOMING_ARGS_REGNUM.
7306 (addsi3): Update the conditions on when to use addsi_small_int.
7308 2006-04-23 Roger Sayle <roger@eyesopen.com>
7311 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7312 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7313 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7315 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7317 * fold-const.c (range_predecessor): Use operand_equal_p
7318 as the predicate for equality.
7319 (range_successor): Likewise.
7321 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7324 * config/soft-fp/op-common.h: Fix a typo.
7326 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7329 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7330 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7332 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7334 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7336 * doc/tm.texi: Fix a typo.
7338 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7340 * dwarf2out.c (struct die_struct): Document that die_sib makes
7341 a circular linked list.
7342 (FOR_EACH_CHILD): New.
7343 (reverse_die_lists): Delete.
7344 (reverse_all_dies): Delete.
7345 (add_dwarf_attr): Correct documentation.
7346 (remove_child_with_prev): New.
7347 (remove_child_TAG): Update for change to die_struct, use
7348 remove_child_with_prev.
7349 (add_child_die): Update for change to die_struct.
7350 (splice_child_die): Use remove_child_with_prev and add_child_die.
7351 (print_die): Use FOR_EACH_CHILD.
7352 (die_checksum): Likewise.
7353 (assign_symbol_names): Likewise.
7354 (output_location_lists): Likewise.
7355 (build_abbrev_table): Likewise.
7356 (calc_die_sizes): Likewise.
7357 (mark_dies): Likewise.
7358 (unmark_dies): Likewise.
7359 (unmark_all_dies): Likewise.
7360 (output_die): Likewise.
7361 (prune_unused_types_mark): Likewise.
7362 (prune_unused_types_walk): Likewise.
7363 (same_die_p): Update for change to die_struct.
7364 (break_out_includes): Likewise.
7365 (prune_unused_types_prune): Likewise.
7366 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7367 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7369 (dwarf2out_finish): Don't call reverse_all_dies.
7371 2006-04-21 Eric Christopher <echristo@apple.com>
7373 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7374 in comments and function names.
7376 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7379 * c-typeck.c (digest_init): Robustify.
7381 * c-typeck.c (pop_init_level): Simplify.
7383 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7385 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7387 2006-04-21 Paul Brook <paul@codesourcery.com>
7389 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7390 hardware floating point.
7392 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7394 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7397 2006-04-21 Nick Clifton <nickc@redhat.com>
7399 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7402 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7405 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7406 C++ lang type in traceback table for Objective-C++.
7408 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7410 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7412 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7414 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7417 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7418 were errors. Remove check for erroneous objects.
7420 2006-04-20 Jeff Law <law@redhat.com>
7422 PR tree-optimization/26854
7423 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7424 checking for zero or one use.
7425 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7426 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7427 * tree-ssa-reassoc.c (negate_value): Similarly.
7428 (reassociate_bb): Similarly.
7430 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7432 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7433 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7434 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7436 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7438 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7439 fp regs if the last fp arg doesn't fit in regs.
7441 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7444 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7445 that the last insn has the REG_INC note.
7447 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7448 Nathan Sidwell <nathan@codesourcery.com>
7451 * stor-layout.c (update_alignment_for_field): Do not align
7453 (place_union_field): Place union field at the start of the union.
7454 (place_field): Move ERROR_MARK check later, and use the current
7455 allocation position to maintain monotonicity.
7457 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7459 * dominance.c: Include timevar.h.
7460 (calculate_dominance_info): Use TV_DOMINANCE.
7461 * timevar.def (TV_DOMINANCE): New timevar.
7462 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7464 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7466 PR rtl-optimization/14261
7467 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7468 move would be an INSV insn.
7469 (noce_process_if_block): Don't optimize if the destination is a
7470 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7472 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7474 * config/s390/s390.md: Add comments with the instructions emitted
7475 by an insn pattern if macros are used.
7477 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7479 PR rtl-optimization/26026
7480 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7481 is a known power of two shifted left a variable amount.
7483 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7485 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7486 to hash table twice when the debug_str section has SECTION_MERGE.
7488 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7490 * config/soft-fp: New directory. From glibc.
7491 * config/soft-fp/t-softfp: New.
7492 * config/soft-fp/README: New.
7493 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7494 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7495 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7496 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7497 * config.gcc: Use rs6000/t-fprules-fpbit or
7498 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7500 * config/rs6000/sfp-machine.h: New. Based on glibc.
7501 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7503 * config/rs6000/t-fprules: Remove fp-bit rules.
7504 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7505 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7506 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7507 (softfp_wrap_start, softfp_wrap_end): New.
7509 2006-04-18 DJ Delorie <dj@redhat.com>
7511 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7513 2006-04-18 Devang Patel <dpatel@apple.com>
7515 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7517 2006-04-18 Nick Clifton <nickc@redhat.com>
7519 * config/sh/t-symbian: Add rule to build sh-c.o
7520 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7521 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7522 (sh_symbian_encode_section_info): Likewise.
7524 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7526 * builtins.c (expand_builtin_strcmp): Cover label definition of
7527 do_libcall with HAVE_cmpstrnsi.
7529 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7531 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7533 * function.h (temp_slot_p): New.
7534 (function): Change the type of x_used_temp_slots to
7535 VEC(temp_slot_p,gc) *.
7537 2006-04-18 Nick Clifton <nickc@redhat.com>
7539 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7540 flag_strength_reduce.
7542 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7544 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7548 Partial revert of revision 112637
7549 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7550 Dale Johannesen <dalej@apple.com>
7553 * regclass.c (struct reg_pref): Update documentation.
7554 (regclass): Set prefclass to NO_REGS if memory is the best option.
7555 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7557 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7559 PR tree-optimization/26821
7560 * tree-ssa-math-opts.c (get_constant_one): New.
7561 (insert_reciprocals): Use it.
7563 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7565 * dwarf2out.c (free_AT): Delete.
7566 (remove_AT): Update string ref counts.
7567 (remove_child_TAG): Don't call free_die.
7569 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7570 or DW_TAG_GNU_EINCL.
7571 (prune_unused_types_walk_attribs): Reset string refcounts.
7572 (prune_unused_types_update_strings): New.
7573 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7574 call free_die. Do call prune_unused_types_update_strings.
7575 (prune_unused_types): Empty debug_str_hash.
7577 2006-04-17 Roger Sayle <roger@eyesopen.com>
7579 * expr.c (expand_assignment): Optimize away no-op moves where the
7580 source and destination are equal and have no side-effects.
7582 2006-04-17 Richard Guenther <rguenther@suse.de>
7585 * reload.c (push_reload): Guard calls to get_secondary_mem
7588 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7590 * alias.c (reg_base_value, old_reg_base_value): Change the
7591 type to VEC(rtx,gc) *.
7592 (REG_BASE_VALUE, find_base_value, record_set,
7593 init_alias_analysis): Use VEC instead of VARRAY.
7595 * alias.c (alias_sets): Change the type to
7596 VEC(alias_set_entry,gc) *.
7597 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7598 VEC instead of VARRAY.
7599 (last_alias_set): Remove.
7601 * cgraph.h (cgraph_edge_p): New.
7602 Update the prototype of cgraph_function_versioning.
7603 * cgraphunit.c (cgraph_copy_node_for_versioning,
7604 cgraph_function_versioning): Use VEC instead of VARRAY.
7605 * ipa-cp.c (ipcp_insert_stage): Likewise.
7607 2006-04-16 Roger Sayle <roger@eyesopen.com>
7610 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7611 "A op B" or "A op C", we may need to convert A to the type of B and C.
7613 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7615 * target.h (struct gcc_target): Add mode_rep_extended.
7616 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7617 (init_num_sign_bit_copies_in_rep): Initialize it using
7619 (truncate_to_mode): Use it.
7620 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7621 * targhooks.h (default_mode_rep_extended): Declare it.
7622 * targhooks.c (default_mode_rep_extended): Define it.
7623 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7624 default_mode_rep_extended.
7625 (TARGET_INITIALIZER): Include it.
7626 * doc/tm.texi (Misc): Document it.
7627 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7628 (mips_truncated_to_mode): New function.
7630 2006-04-16 Roger Sayle <roger@eyesopen.com>
7633 * expr.c (compress_float_constant): Copy the narrow constant into
7634 a new pseudo before extending it to its final width.
7636 2006-04-16 Roger Sayle <roger@eyesopen.com>
7637 Andrew Pinski <pinskia@gcc.gnu.org>
7638 Dale Johannesen <dalej@apple.com>
7641 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7642 special case code to implement V8HImode and V16QImode with SSE2.
7644 2006-04-15 Roger Sayle <roger@eyesopen.com>
7646 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7647 trees are constructed with a suitable tree type.
7649 2006-04-15 Roger Sayle <roger@eyesopen.com>
7651 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7652 (integer_onep): Likewise.
7653 (integer_all_onesp): Likewise.
7654 (integer_pow2p): Likewise.
7655 (integer_nonzerop): Likewise.
7656 (real_zerop): Likewise.
7657 (real_onep): Likewise.
7658 (real_twop): Likewise.
7659 (real_minus_onep): Likewise.
7660 (int_size_in_bytes): Likewise.
7661 (host_integerp): Likewise.
7663 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7665 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7666 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7667 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7669 * tree-ssa-structalias.h (alias_info): Remove num_references.
7671 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7673 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7674 (output_bvb patterns): Likewise.
7675 * pa.c (output_bb): Use 'bb' insn for long branch case.
7676 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7677 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7678 1. Correct length operand for alternatives 1 and 2.
7679 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7680 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7682 2006-04-14 Roger Sayle <roger@eyesopen.com>
7684 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7685 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7686 were accidentally reverted by r112959.
7688 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7691 * except.h (eh_region_outermost): New prototype.
7692 * except.c (eh_region_outermost): New function.
7693 * tree-cfg.c (find_outermost_region_in_block): Use it.
7695 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7697 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7699 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7700 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7701 (init_reload, reload): Use VEC instead of VARRAY.
7702 * reload.h: Update the prototype for
7703 reg_equiv_memory_loc_varray.
7705 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7706 Eric Botcazou <ebotcazou@libertysurf.fr>
7708 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7711 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7714 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7715 to expand fallback builtin function call.
7717 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7720 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7721 and emit libcall here in case the builtin fails.
7722 (expand_builtin_strcmp): Always emit the libcall here on failure.
7724 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7726 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7727 * flow.c (reg_n_info): Change the type to
7728 VEC(reg_info_p,heap) *.
7729 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7731 * regs.h (reg_info_p): New.
7732 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7733 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7734 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7737 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7739 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7741 * params.h (MAX_SCHED_READY_INSNS): New macro.
7742 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7743 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7744 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7745 the ready list for 1 cycle during the first scheduling pass.
7746 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7748 2006-04-13 Richard Henderson <rth@redhat.com>
7751 * gimple-low.c (lower_omp_directive): Remove dead code.
7752 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7753 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7754 * omp-low.c (struct omp_region): Move to tree-flow.h.
7755 (root_omp_region): Export.
7756 (omp_regions, lookup_omp_region): Remove.
7757 (determine_parallel_type): Update for struct omp_region changes.
7758 (dump_omp_region): Dump regions with block numbers.
7759 (new_omp_region): Take type and block instead of stmt; malloc
7761 (free_omp_region_1, free_omp_regions): New.
7762 (expand_parallel_call): Take entry_stmt as argument; update for
7763 changes to omp_region.
7764 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7765 (remove_exit_barriers): New.
7766 (expand_omp_parallel): Update for struct omp_region changes.
7767 (expand_omp_synch): Likewise.
7768 (expand_omp): Likewise.
7769 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7770 (expand_omp_for_static_chunk): Likewise.
7771 (expand_omp_for): Likewise.
7772 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7773 (expand_omp_sections): Similarly, with GOMP_sections_end.
7774 (expand_omp_single): New.
7775 (build_omp_regions_1): Update for OMP_CONTINUE.
7776 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7777 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7778 OMP_SECTIONS_SECTIONS.
7779 (lower_omp_single_simple): Don't emit barrier here.
7780 (lower_omp_single_copy): Likewise.
7781 (lower_omp_single): Fix bindings, and lower to straightline now.
7782 (lower_omp_master, lower_omp_ordered): Likewise.
7783 (lower_omp_critical): Likewise.
7784 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7785 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7786 omp edges, free it afterward.
7787 (make_omp_sections_edges): Remove.
7788 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7789 (move_stmt_r): Handle OMP_CONTINUE.
7790 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7791 statement pointers to basic blocks. Add type member.
7792 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7793 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7794 * tree-inline.c (estimate_num_insns_1): Likewise.
7795 * tree-pretty-print.c (dump_generic_node): Likewise.
7796 * tree-ssa-operands.c (get_expr_operands): Likewise.
7797 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7798 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7799 (OMP_CONTINUE): New.
7800 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7801 (OMP_SECTIONS_SECTIONS): Remove.
7802 (OMP_SECTION_LAST): New.
7803 (OMP_RETURN_NOWAIT): New.
7805 2006-04-13 Roger Sayle <roger@eyesopen.com>
7807 * fold-const.c (native_encode_vector, native_interpret_real):
7808 Correct obvious mistakes in the previous check-in.
7810 2006-04-13 Roger Sayle <roger@eyesopen.com>
7812 * fold-const.c (native_encode_expr): New function to encode
7813 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7814 or VECTOR_CST into a specified buffer.
7815 (native_encode_int): New function.
7816 (native_encode_real): New function.
7817 (native_encode_complex): New function.
7818 (native_encode_vector): New function.
7819 (native_interpret_expr): Inverse of native_encode_expr to convert
7820 a target representation into an INTEGER_CST, REAL_CST etc...
7821 (native_interpret_int): New function.
7822 (native_interpret_real): New function.
7823 (native_interpret_complex): New function.
7824 (native_interpret_vector): New function.
7825 (fold_view_convert_expr): New function to constant fold/evaluate
7826 a VIEW_CONVERT_EXPR of a suitable constant expression.
7827 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7828 Change call of build1 to fold_build1 when constructing a
7831 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7832 Ulrich Weigand <uweigand@de.ibm.com>
7835 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7838 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7841 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7842 optimize to lo_sum for DFmode if !TARGET_FPRS.
7844 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7846 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7847 delete_alias_info, compute_flow_sensitive_aliasing,
7848 group_aliases): Use VEC instead of VARRAY.
7849 * tree-ssa-structalias.c (update_alias_info): Likewise.
7850 * tree-ssa-structalias.h (alias_info): Change the type of
7851 processed_ptrs to VEC(tree,heap) *.
7853 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7856 * config/sh/lib1funcs.h: New file, broken out of:
7857 * config/sh/lib1funcs.asm.
7858 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7860 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7861 * config/sh/lib1funcs-Os-4-200.asm: New file.
7862 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7863 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7864 (EXTRA_MULTILIB_PARTS): Include it.
7865 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7866 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7867 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7868 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7871 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7873 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7874 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7875 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7877 * tree-ssa-live.h: Include vecprim.h.
7878 (tree_partition_associator_d): Change the type of
7879 first_partition to VEC(int,heap) *.
7880 (tpa_first_partition): Use VEC instead of VARRAY.
7882 * Makefile.in (GTFILES): Move functions.h after tree.h.
7883 * function.c (reset_block_changes, record_block_change,
7884 check_block_change, free_block_changes): Use VEC instead of
7886 * function.h (function): Change the type of
7887 ib_boundaries_block to VEC(tree,gc) *.
7888 * tree-inline.c (copy_cfg_body): Initialize
7889 ib_boundaries_block to NULL instead of (varray_type) 0.
7891 2006-04-12 Roger Sayle <roger@eyesopen.com>
7893 * expr.c (emit_group_store): Correct operand order in call to
7894 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7895 a SUBREG_BYTE of zero.
7897 2006-04-12 Richard Guenther <rguenther@suse.de>
7899 * profile.c (compute_branch_probabilities): Remove code
7900 encapsulated in !ir_type (), which are remanents of the
7901 removed RTL profiling code.
7902 * rtl-profile.c: Remove.
7904 2006-04-12 Alan Modra <amodra@bigpond.net.au>
7906 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
7907 magic NULL_RTX comment.
7908 (function_arg): Store entire fp arg to mem if any part should go
7910 (rs6000_arg_partial_bytes): Adjust for above change.
7912 2006-04-11 Roger Sayle <roger@eyesopen.com>
7914 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
7915 if it hasn't been initialized by dwarf2out_init.
7917 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
7919 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
7920 symbolic constants in branch patterns.
7922 2006-04-11 Roger Sayle <roger@eyesopen.com>
7924 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7926 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7928 PR rtl-optimization/27073
7929 * gcse.c (try_replace_reg): Revert last change. Continue to search
7930 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7933 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7935 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7936 aggregate types other than record and union types.
7937 (function_arg): Likewise.
7938 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7940 (function_value): In 64-bit mode, return objects that require it
7943 2006-04-11 Roger Sayle <roger@eyesopen.com>
7945 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7947 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7949 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7951 2006-04-03 Jeff Law <law@redhat.com>
7954 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7955 alias information too.
7957 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7959 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7961 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7964 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7965 (premark_used_types_helper): New.
7966 (premark_used_types): New.
7967 (gen_subprogram_die): Call premark_used_types.
7968 (prune_unused_types_walk): Do not prune perennial dies.
7969 * function.c (used_types_insert): New.
7970 * function.h (struct function): Add used_types_hash field.
7971 (used_types_insert): Add prototype.
7972 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
7973 * c-parser.c (c_parser_cast_expression): Save casted types in used
7976 2006-04-11 Mark Mitchell <mark@codesourcery.com>
7979 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
7980 rs6000_explicit_options.float_gprs.
7982 2006-04-10 Roger Sayle <roger@eyesopen.com>
7984 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
7985 from ix86_expand_vector_init_low_nonzero. Take an additional
7986 one_var argument indicating which element is non-zero. Support
7987 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7988 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
7989 with one_var instead of ix86_expand_vector_init_low_nonzero.
7991 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
7993 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
7994 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
7995 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
7996 build/genextract.o): Depend on vecprim.h.
7997 * cfglayout.c, df-problems.c, function.c, genextract.c,
7998 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
7999 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
8003 2006-04-10 Geoffrey Keating <geoffk@apple.com>
8005 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
8006 Declare VECs of this type.
8007 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
8008 (remove_children): Delete.
8009 (add_dwarf_attr): Use VEC routines.
8010 (add_AT_flag): Update for changes to add_dwarf_attr.
8011 (add_AT_int): Likewise.
8012 (add_AT_unsigned): Likewise.
8013 (add_AT_long_long): Likewise.
8014 (add_AT_vec): Likewise.
8015 (add_AT_string): Likewise.
8016 (add_AT_die_ref): Likewise.
8017 (add_AT_fde_ref): Likewise.
8018 (add_AT_loc): Likewise.
8019 (add_AT_loc_list): Likewise.
8020 (add_AT_addr): Likewise.
8021 (add_AT_lbl_id): Likewise.
8022 (add_AT_lineptr): Likewise.
8023 (add_AT_macptr): Likewise.
8024 (add_AT_offset): Likewise.
8025 (add_AT_range_list): Likewise.
8026 (get_AT): Use VEC_iterate.
8027 (remove_AT): Use VEC_ordered_remove.
8028 (free_die): Fold remove_children into here; have it use VEC_iterate.
8029 (print_die): Use VEC_iterate on attrs.
8030 (reverse_die_lists): Don't reverse attr lists.
8031 (die_checksum): Use VEC_iterate on attrs.
8032 (same_die_p): Likewise.
8033 (output_location_lists): Likewise.
8034 (build_abbrev_table): Likewise.
8035 (size_of_die): Likewise.
8036 (unmark_all_dies): Likewise.
8037 (output_abbrev_section): Likewise.
8038 (output_die): Likewise.
8039 (prune_unused_types_walk_attribs): Likewise.
8041 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8043 * doc/install.texi (*-*-solaris2*): Point to the configure page.
8045 2006-04-10 Jakub Jelinek <jakub@redhat.com>
8048 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
8050 2006-04-09 Roger Sayle <roger@eyesopen.com>
8052 * expr.c (store_constructor): Don't bother clearing target if
8053 we're about to assign a vector to it using vec_init_optab.
8055 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
8057 * tree-ssa-alias.c (lhs_may_store_to): New function.
8058 (recalculate_used_alone): Handle LHS of calls.
8060 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8064 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
8065 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
8066 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
8067 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
8068 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
8069 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
8070 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
8071 stubs. Add ".align 8" directives before all ".dword" directives.
8072 (GTHREAD_USE_WEAK): Revise comment.
8073 (TARGET_ATTRIBUTE_WEAK): Define.
8074 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
8075 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
8076 * stublib.c: New file.
8081 * pa.md (cbranch patterns): Revise arguments used in calls to
8082 output_cbranch, output_bb and output_bvd. Add long branch length
8084 (fbranch patterns): Handle long branches.
8085 (jump): Revise length check. Revise arguments for output_lbranch call.
8086 Add long branch length attributes.
8087 (decrement_and_branch_until_zero): Add long branch length attributes.
8088 (output_movb, output_parallel_addb and output_parallel_movb patterns):
8089 Likewise. Revise arguments for output_parallel_addb and
8090 output_parallel_movb calls.
8091 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8092 output_parallel_movb and output_parallel_addb): Update prototypes.
8093 * pa.c (output_cbranch): Revise arguments. Correct handling of
8094 nullification in long branches.
8095 (output_lbranch): Add new argument to control extraction of delay
8097 (output_bb): Handle long branches.
8098 (output_bvb, output_dbra, output_movb, output_parallel_movb,
8099 output_parallel_addb): Likewise.
8101 2006-04-09 Richard Sandiford <richard@codesourcery.com>
8103 PR rtl-optimization/27073
8104 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8107 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
8109 * tree.h (tree_memory_tag): Add old_used_alone.
8110 (SMT_OLD_USED_ALONE): New macro.
8111 * tree-ssa-alias.c (recalculate_used_alone): Stop
8112 marking things for renaming unnecessarily.
8114 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
8116 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
8117 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
8118 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
8119 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8120 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8121 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8122 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
8123 spelling convensions.
8124 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8125 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8126 typos. Follow spelling conventions.
8128 2006-04-07 DJ Delorie <dj@redhat.com>
8130 * config/m32c/m32c.c (m32c_function_arg): Structures are always
8131 passed on the stack.
8132 (m32c_init_cumulative_args): When a function returns a structure,
8133 always pass the pointer to that return area on the stack.
8134 (m32c_function_arg_advance): Don't increment the parameter number
8135 if we're processing the returned structure pointer.
8136 (pushm_info): Reverse order of registers.
8138 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
8140 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8141 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8142 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8143 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8145 * tree-chrec.c (chrec_fold_multiply_poly_poly,
8146 chrec_fold_multiply): Same.
8147 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8148 force_expr_to_var_cost): Same.
8149 * tree-mudflap.c (mf_xform_derefs_1): Same.
8150 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8152 2006-04-07 David Edelsohn <edelsohn@gnu.org>
8154 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8155 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
8158 2006-04-07 Jan Hubicka <jh@suse.cz>
8160 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8162 2006-04-07 Richard Guenther <rguenther@suse.de>
8164 PR tree-optimization/26135
8165 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8166 loads for store copy-prop.
8167 (copy_prop_visit_stmt): Likewise.
8169 2006-04-05 Robert Millan <robertmh@gnu.org>
8171 * config/i386/linux.h: Add a comment to mark macros that are
8172 being overriden in config/k*bsd-gnu.h.
8173 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8175 * config/knetbsd-gnu.h: Ditto.
8177 2006-04-06 Jan Hubicka <jh@suse.cz>
8181 * coverage.c (coverage_checksum_string): Reorganize loop to not read
8184 2006-04-06 Mike Stump <mrs@apple.com>
8186 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8187 for HAVE_nonlocal_goto to be consistent.
8188 (expand_builtin_nonlocal_goto): Likewise.
8189 (expand_builtin_strcmp): Use #ifdef instead of #if
8190 for HAVE_cmpstrnsi to be consistent.
8192 2006-04-05 DJ Delorie <dj@redhat.com>
8194 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8197 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
8199 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8200 got-relative addressing for anything but SImode.
8202 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8203 even if the calling function doesn't modify them.
8205 2006-04-05 Richard Guenther <rguenther@suse.de>
8207 PR tree-optimization/26919
8208 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8209 to cgraph_estimate_size_after_inlining.
8211 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8213 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8215 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8217 PR tree-optimization/26996
8218 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8219 VECTOR_TYPE variables.
8221 2006-04-05 Richard Guenther <rguenther@suse.de>
8223 PR tree-optimization/26763
8224 * fold-const.c (fold_comparison): Move folding of
8225 PTR + CST CMP PTR + CST ...
8226 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8228 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8230 * doc/install.texi (Prerequisites): Refine some wording on
8231 bootstrapping and ksh.
8232 Move the version numbers of DejaGnu here from the testing section
8233 and fix casing of names.
8234 Fix markup and clarify wording for autogen requirements.
8235 Refer to GCJ instead of just java.
8236 Refer to SVN instead of CVS.
8237 Describe diffutils as useful instead of necessary.
8238 (Downloading the source): Refer to SVN instead of CVS.
8239 Adjust a link to our web site accordingly.
8240 (Configuration): Fix casing of Bison.
8241 (Building): Refer to SVN instead of CVS.
8242 Fix a sentence on the use of Bison and remove duplicate (and
8243 incorrect) version number of Bison requirement.
8244 Remove one redundant list of packages needed for building.
8245 (Specific): Avoid reference to CVS.
8247 2006-04-04 Eric Christopher <echristo@apple.com>
8249 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8250 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8251 (rs6000_handle_struct_attribute): New.
8252 (rs6000_ms_bitfield_layout_p): Ditto.
8254 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8256 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8257 NULL for dso parameter to atexit_common.
8259 2006-04-04 Eric Christopher <echristo@apple.com>
8261 * config/i386/i386.c (machopic_output_stub): Output \t
8262 between instructions and operands.
8264 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8266 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8267 satisfies_constraint_[IL] to explicit tests on value.
8269 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8271 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8272 set_nb_iterations_in_loop): Use build_int_cst instead of
8274 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8275 build_int_cst instead of convert.
8277 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
8279 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8280 new value 2 for incoming.
8281 * function.c (expand_function_start): Call struct_value_rtx
8283 * config/sparc/sparc.md: Comment updated_return.
8284 * config/sparc/sparc.opt: Add -mstd-struct-return option.
8285 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8286 struct return if sparc_std_struct_return and incoming is 2.
8287 (print_operand): Do not adjust return if
8288 sparc_std_struct_return.
8290 2006-04-04 Roger Sayle <roger@eyesopen.com>
8292 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8293 convert in the middle-end.
8294 * expr.c (store_expr, store_constructor, get_inner_reference,
8295 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8297 * tree.c (build_range_type): Likewise.
8299 2006-04-04 Tom Tromey <tromey@redhat.com>
8301 * doc/install.texi (Prerequisites): Mention jar.
8303 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
8305 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8308 2006-04-04 Matthias Klose <doko@debian.org>
8310 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8314 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8317 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8319 * doc/extend.texi (Function Attributes): Rewrite visibility
8320 attribute documentation.
8321 * doc/invoke.texi (C++ Dialect Options): Rewrite
8322 -fvisibility-inlines-hidden documentation to describe something
8323 entirely different, although in practise compatible.
8324 (Code Gen Options): Warn about system headers in -fvisibility=
8327 * doc/extend.texi (Other Builtins): Document that
8328 __builtin_nan is a compile-time constant only when its argument
8331 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8333 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8334 trying to remove TRUNCATE check if all bits outside the new mode
8335 are identical to the sign bit.
8337 2006-04-03 Jeff Law <law@redhat.com>
8339 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8340 and operand scanning in some common cases.
8342 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8343 Dale Johannesen <dalej@apple.com>
8346 * regclass.c (struct reg_pref): Update documentation.
8347 (regclass): Set prefclass to NO_REGS if memory is the best option.
8348 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8349 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8350 into account. For non-registers, equate an empty preferred
8351 reload class to a `!' in the constraint; move the if clause to
8352 do so after those that reject the insn.
8353 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8355 (find_dummy_reload): Likewise.
8356 * doc/tm.texi (Register Classes): Document what it means
8357 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8358 * config/i386/i386.c (ix86_preferred_reload_class): Force
8359 using SSE registers (and return NO_REGS for floating-point
8360 constants) if math is done with SSE.
8361 (ix86_preferred_output_reload_class): New.
8362 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8363 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8364 * config/i386/i386.md: Remove # register preferences.
8366 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8369 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8370 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8371 the type of nb_iter.
8372 (instantiate_parameters_1): Convert the operands before calling
8373 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8374 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8376 2006-04-02 Roger Sayle <roger@eyesopen.com>
8378 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8379 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8381 * dojump.c (do_jump): Likewise.
8382 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8383 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8384 gimplify_boolean_expr): Likewise.
8385 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8386 * varasm.c (array_size_for_constructor): Likewise.
8387 * tree-object-size.c (compute_object_offset): Likewise.
8389 2006-04-02 Roger Sayle <roger@eyesopen.com>
8392 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8393 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8395 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8397 PR tree-optimization/26939
8398 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8400 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8402 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8403 at_stmt. Convert the type of operands before calling
8404 build_polynomial_chrec.
8405 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8407 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8408 (instantiate_parameters_1): Convert the type of operands before calling
8409 build_polynomial_chrec.
8410 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8411 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8412 reset_evolution_in_loop): Insert asserts to check the types of the
8414 (chrec_type): Moved...
8415 (eq_evolutions_p): Use operand_equal_p.
8416 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8417 the types of the operands.
8418 (chrec_type): ...here.
8419 * tree-data-ref.c (create_data_ref): Convert the operands before
8420 calling chrec_replace_initial_condition.
8421 (same_access_functions, analyze_subscript_affine_affine,
8422 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8423 (compute_subscript_distance, analyze_ziv_subscript,
8424 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8425 analyze_miv_subscript): Convert the operands before calling
8426 chrec_fold_minus or chrec_fold_plus.
8428 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8430 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8431 the dependence_relations vector.
8432 (compute_data_dependences_for_loop): Adjust call to
8433 compute_all_dependences.
8435 2006-04-01 Roger Sayle <roger@eyesopen.com>
8436 Richard Henderson <rth@redhat.com>
8438 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8439 gimple_boolify on the condition before calling gimplify_expr.
8441 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8443 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8444 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8445 the frame size. Update to use the new macros.
8446 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8447 * config/xtensa/ieee754-df.S: Likewise.
8449 2006-03-31 Richard Henderson <rth@redhat.com>
8451 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8452 (make_edges): ... here. Control fallthru creation with a local
8453 variable. Do not play with fake edges.
8454 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8455 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8458 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8460 * dwarf2.h (DW64_CIE_ID): Define.
8461 * dwarf2out.c (DWARF_CIE_ID): Define.
8462 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8463 length header. Use DWARF_CIE_ID.
8464 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8465 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8467 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8469 * config/sh/linux-atomic.asm: New file.
8470 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8472 2006-03-31 DJ Delorie <dj@redhat.com>
8474 * config/m32c/cond.md: Set condition flags properly throughout.
8475 * config/m32c/minmax.md: Likewise.
8476 * config/m32c/prologue.md: Likewise.
8477 * config/m32c/bitops.md: Likewise.
8478 * config/m32c/muldiv.md: Likewise.
8479 * config/m32c/mov.md: Likewise.
8480 * config/m32c/addsub.md: Likewise.
8481 * config/m32c/m32c.md: Likewise.
8482 * config/m32c/jump.md: Likewise.
8483 * config/m32c/shift.md: Likewise.
8485 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8486 conditionally output the pattern for this.
8487 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8488 (m32c_compare_redundant): New.
8489 (m32c_output_compare): New.
8490 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8492 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8493 dest, not src. Allow other 4-byte modes.
8495 2006-03-30 Denis Chertykov <denisc@overta.ru>
8497 * doc/md.texi: Refer to avr/constraints.md instead of
8500 2006-03-30 Roger Sayle <roger@eyesopen.com>
8502 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8503 signed vs. unsigned comparison failures on some hosts.
8505 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8508 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8509 change to FLOAT_REGS.
8511 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8512 (rs6000_override_options): Use it.
8513 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8514 only for -mabi=spe/no-spe and -mabi=altivec.
8516 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8518 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8521 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8523 * Makefile.in: Rename docdir to gcc_docdir.
8525 2006-03-30 Roger Sayle <roger@eyesopen.com>
8528 * expr.c (emit_group_store): Optimize group stores into a pseudo
8529 register by using a paradoxical subreg to initialize the destination
8530 if the first or last member of the group specifies a "low part".
8532 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8535 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8536 * target.h (struct gcc_target.speculate_insn): Change type of the
8537 second parameter to 'int'.
8538 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8539 the second operand of the DEPS_LIST.
8540 (copy_DEPS_LIST_list): Update reference to the second operand of the
8542 * rtl.h (alloc_DEPS_LIST): Update signature.
8543 * sched-int.h (ds_t): Change typedef to 'int'.
8544 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8546 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8548 * haifa-sched.c (try_ready): Change condition to restore
8549 non-speculative pattern of the instruction.
8550 (process_insn_depend_be_in_spec): Code to keep probability of the
8551 speculative dependence non-decreasing.
8553 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8555 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8556 (single_move_for_movmem): ... this. Also change all uses.
8557 (bfin_expand_strmov): Renamed to...
8558 (bfin_expand_movmem): ... this. Also change all uses.
8559 * config/bfin/bfin.md (movstrsi): Renamed to...
8560 (movstrsi): ...this.
8562 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8564 PR tree-optimization/26830
8566 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8567 (copy_prop_visit_stmt): Remove write-only variable ann.
8568 (init_copy_prop): Check variable loop depth here. Do not simulate
8569 memory-tag and virtual operand PHIs except for store copy prop.
8571 2006-03-30 Richard Guenther <rguenther@suse.de>
8573 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8574 variants with double arguments.
8576 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8578 * genpreds.c (write_tm_constrs_h): Delete variable p.
8579 * genconditions.c (write_header): Add tm-constrs.h to included
8581 * genpeep.c (main): Add toplev.h to included headers.
8582 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8583 (build/genpeep.o): Add toplev.h dependency.
8584 * config/rs6000/constraints.md: Add "W" constraint.
8586 2006-03-29 Roger Sayle <roger@eyesopen.com>
8588 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8589 sizes by correctly testing whether the size fits a host integer.
8590 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8591 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8592 SImode range for the default sizetype and bitsizetype.
8594 2006-03-29 Roger Sayle <roger@eyesopen.com>
8596 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8597 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8598 quickly if the argument is already of the correct type.
8599 Call fold_build1 instead of build1. Tidy up blank lines.
8601 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8603 * genemit.c (main): Add tm-constrs.h to included headers.
8604 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8605 * genpeep.c (main): Add tm-constrs.h to included headers.
8606 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8607 (write_tm_constrs_h): this and write complete file.
8608 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8609 (write_insn_preds_c): Add tm-constrs.h to included headers.
8610 (gen_constrs): New variable.
8611 (parse_option): Parse "-c".
8612 (main): Invoke write_tm_constrs_h.
8613 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8614 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8615 (object_out_file): Add tm-constrs.h dependency.
8616 (insn-emit.o): Same.
8617 (insn-output.o): Same.
8618 (insn-peep.o): Same.
8619 (insn-preds.o): Same.
8620 (insn-recog.o): Same.
8621 (tm-constsr.h): New target.
8622 (s-constrs-h): New target.
8624 * config/rs6000/constraints.md: New file.
8625 * config/rs6000/rs6000.c: Include tm-constrs.h.
8626 (num_insn_constant_wide): Convert to satisfies_constraint.
8627 (rs6000_rtx_costs): Convert to satisfies_constraint.
8628 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8629 (CONST_OK_FOR_LETTER_P): Delete.
8630 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8631 (EXTRA_CONSTRAINT): Delete.
8632 (EXTRA_MEMORY_CONSTRAINT): Delete.
8633 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8634 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8635 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8636 satisfies_constraint.
8638 * config/i386/i386.c: Include tm-constrs.h.
8640 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8642 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8643 * tree-data-ref.c (find_data_references_in_loop,
8644 compute_data_dependences_for_loop): Use pointers to VEC.
8645 (analyze_all_data_dependences): Adjust calls.
8646 * tree-data-ref.h (find_data_references_in_loop,
8647 compute_data_dependences_for_loop): Adjust declarations.
8648 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8649 compute_data_dependences_for_loop.
8651 2006-03-29 Paul Brook <paul@codesourcery.com>
8653 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8656 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8658 PR tree-optimization/26859
8659 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8661 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8662 for the step after fold_convert.
8664 2006-03-29 Paul Brook <paul@codesourcery.com>
8666 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8667 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8669 2006-03-29 Paul Brook <paul@codesourcery.com>
8672 * targhooks.c (default_narrow_bitfield): New fuction.
8673 * targhooks.h (default_narrow_bitfield): add prototype.
8674 * target.h (gcc_target): Add narrow_volatile_bitfield.
8675 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8676 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8677 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8678 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8680 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8682 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8684 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8685 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8686 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8687 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8688 (s390_function_arg_float): Allow SDmode and DDmode values to be
8689 passed in floating point registers.
8690 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8691 check with SCALAR_FLOAT_MODE_P.
8692 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8694 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8696 PR tree-optimization/25985
8697 * tree-ssa-loop-niter.c (number_of_iterations_le,
8698 number_of_iterations_ne): Make comments more precise.
8699 (number_of_iterations_cond): Add only_exit argument. Use the
8700 fact that signed variables do not overflow only when only_exit
8702 (loop_only_exit_p): New.
8703 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8704 number_of_iterations_cond.
8706 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8708 PR tree-optimization/26643
8709 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8712 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8714 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8715 (divsi3_i4_int): Likewise.
8717 2006-03-28 Roger Sayle <roger@eyesopen.com>
8719 * expr.c (emit_group_store): Only create a new pseudo reg if the
8720 quantity it needs to hold isn't already a suitable pseudo.
8722 2006-03-28 Jeff Law <law@redhat.com>
8724 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8725 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8727 2006-03-28 Roger Sayle <roger@eyesopen.com>
8729 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8730 the equivalent ~X & Y, and the symmetry related transformations.
8731 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8732 ~X & Y, and symmetry related transforms.
8734 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8736 Revert my 2006-03-27 patches.
8738 2006-03-28 Roger Sayle <roger@eyesopen.com>
8740 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8741 ~(T1)X, when T1 and T2 are integer types of the same precision
8742 and (T2)X isn't an extension.
8744 2006-03-28 Jeff Law <law@redhat.com>
8746 PR tree-optimization/26796
8747 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8748 need EH edge cleanups rather than purging them immediately.
8749 (eliminate_degenerate_phis): Handle queued EH cleanups.
8751 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8753 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8756 2006-03-27 Roger Sayle <roger@eyesopen.com>
8759 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8760 cast BIT_NOT_EXPR operand to the correct type.
8762 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8764 * tree-loop-linear.c: Don't include varray.h.
8765 (gather_interchange_stats, try_interchange_loops,
8766 linear_transform_loops): Use VEC instead of VARRAY.
8767 * lambda-mat.c: Don't include varray.h.
8768 * tree-chrec.c: Same.
8769 * lambda-trans.c: Same.
8770 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8771 VEC instead of VARRAY.
8772 * tree-vectorizer.h: Idem.
8773 * tree-data-ref.c (dump_data_references,
8774 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8775 initialize_data_dependence_relation, finalize_ddr_dependent,
8776 compute_all_dependences, find_data_references_in_loop,
8777 compute_data_dependences_for_loop, analyze_all_data_dependences,
8778 free_dependence_relation, free_dependence_relations,
8779 free_data_refs): Idem.
8780 * tree-data-ref.h (data_reference_p, subscript_p): New.
8781 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8782 VEC instead of VARRAY.
8783 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8784 (find_data_references_in_loop, compute_data_dependences_for_loop,
8785 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8786 dump_data_dependence_relations, free_dependence_relations,
8787 free_data_refs): Adjust declaration.
8788 (lambda_transform_legal_p): Move declaration here...
8789 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8790 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8791 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8792 vect_analyze_data_refs): Use VEC instead of VARRAY.
8793 * lambda.h (lambda_transform_legal_p): ...from here.
8794 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8795 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8796 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8797 tree-chrec.o): Don't depend on VARRAY_H.
8799 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8801 * rtl.def (Copyright): Update date.
8802 (DEPS_LIST): Change type of the second operand to 'int'.
8803 * target.h (Copyright): Update date.
8804 (struct gcc_target.speculate_insn): Change type of the second parameter
8806 * lists.c (Copyright): Update date.
8807 (alloc_DEPS_LIST): Change signature. Update reference to the second
8808 operand of the DEPS_LIST.
8809 (copy_DEPS_LIST_list): Update reference to the second operand of the
8811 * rtl.h (Copyright): Update date.
8812 (alloc_DEPS_LIST): Update signature.
8813 * sched-int.h (Copyright): Update date.
8814 (ds_t): Change typedef to 'int'.
8815 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8817 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8819 * haifa-sched.c (Copyright): Update date.
8820 (try_ready): Change condition to restore non-speculative pattern
8822 (process_insn_depend_be_in_spec): Code to keep probability of the
8823 speculative dependence non-decreasing.
8825 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8827 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8828 shut up the compiler.
8830 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8832 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8833 to use lib prefix for target.
8834 ($(T)libic_invalidate_array_4-200.a): Likewise.
8835 ($(T)libic_invalidate_array_4a.a): Likewise.
8837 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8838 J"orn Rennecke <joern.rennecke@st.com>
8840 * superh.opt: New file.
8841 * sh.c (boardtype, osruntime): Remove.
8842 * superh.h (SUBTARGET_OPTIONS): Remove.
8843 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8845 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8846 arguments with ^ and/or [].
8848 * config.gcc (sh-*-*): Add quoting to account for quirk of
8850 Replace == with = in enable_incomplete_targets test.
8852 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8853 with MASK_LITTLE_ENDIAN.
8855 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8856 * config/sh/sh.opt: Added to some comments.
8857 * config/sh/superh.h: Removed some chaff.
8859 * config/sh/sh.opt: Add m4-[1234]00* options.
8860 * config/sh/sh.c (sh_handle_option): Likewise.
8861 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8862 (ic_invalidate_array_4-100.o): New rule.
8863 ($(T)libic_invalidate_array_4-100.a): Likewise.
8864 (ic_invalidate_array_4-200.o): Likewise.
8865 ($(T)libic_invalidate_array_4-200.a): Likewise.
8866 (ic_invalidate_array_4a.o): Likewise.
8867 ($(T)libic_invalidate_array_4a.a): Likewise.
8868 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8869 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8871 * config/sh/crt1.asm: Merged in profiling code.
8872 * config/sh/superh.h (STARTFILE_SPEC): Override.
8873 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8874 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8875 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8877 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8878 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8879 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8881 * sh.opt (mpretend-cmove): New option.
8882 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8883 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8884 (movsicc): Add TARGET_PRETEND_CMOVE code.
8886 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8888 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8889 s390_class_max_nregs): New function prototypes.
8890 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8891 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8892 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8893 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8895 2006-03-26 Geoffrey Keating <geoffk@apple.com>
8897 * dwarf2out.c (add_location_or_const_value_attribute): Call
8898 tree_add_const_value_attribute if nothing else works.
8899 (reference_to_unused): New.
8900 (rtl_for_decl_init): Use reference_to_unused to decide whether
8901 to output an initializer.
8903 2006-03-27 Alan Modra <amodra@bigpond.net.au>
8906 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
8907 peephole removing spe frob_di_df_2.
8909 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
8911 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
8912 (subscript_dependence_tester_1): Declared.
8913 (print_dir_vectors, print_dist_vectors): New.
8914 (debug_data_dependence_relation): New.
8915 (dump_data_dependence_relation): Print more details.
8916 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
8917 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
8918 (save_dist_v, save_dir_v, add_outer_distances,
8919 build_classic_dist_vector_1): New.
8920 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
8921 Don't test for lambda_vector_lexico_pos.
8922 (same_access_functions, add_multivariate_self_dist,
8923 add_other_self_distances, dir_from_dist): New.
8924 (build_classic_dir_vector): Replace implementation almost identical to
8925 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8927 (subscript_dependence_tester_1): New.
8928 (subscript_dependence_tester): Handle the lexicographically negative
8929 distance vectors by recomputing the dependence relation.
8930 (compute_affine_dependence): Remove parameter loop_nest_depth.
8931 (compute_self_dependence): Don't call compute_subscript_distance.
8932 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8933 Add a parameter for the loop_nest.
8934 (find_loop_nest_1, find_loop_nest): New.
8935 (compute_data_dependences_for_loop): Compute the loop nest, and give
8936 up if the nest is not well formed.
8937 * tree-data-ref.h (loop_p): New.
8938 (struct data_dependence_relation): Replace size_vect field with
8939 loop_nest, a vec of loops.
8940 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8941 (DDR_LOOP_NEST): New.
8942 (print_dir_vectors, print_dist_vectors,
8943 debug_data_dependence_relation): Declared.
8944 (index_in_loop_nest): New.
8945 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8946 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8949 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8951 * simplify-rtx.c (simplify_relational_operation): Call
8952 simplify_relational_operation_1 even if mode is VOIDmode.
8954 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8956 PR tree-optimization/26804
8957 * tree.h (DECL_CALL_CLOBBERED): New macro.
8958 (tree_decl_common): Add call_clobbered_flag.
8959 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8960 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8961 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8962 (mark_non_addressable): Ditto.
8963 * tree-ssa.c (verify_call_clobbered): New function.
8964 (verify_alias_info): Use it.
8965 * tree-pass.h (pass_reset_cc_flags): New prototype.
8966 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8967 (reset_cc_flags): New function.
8968 * passes.c (init_optimization_passes): Call reset_cc_flags after
8969 initializing referenced_vars.
8971 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8972 Roger Sayle <roger@eyesopen.com>
8975 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8976 to 1.0 for non-real operands. Implement A / A optimization for
8979 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
8981 * config/i386/i386.c (size_cost): Correct the comment for
8982 cost of storing fp registers.
8983 (i386_cost): Likewise.
8984 (i486_cost): Likewise.
8985 (pentium_cost): Likewise.
8986 (pentiumpro_cost): Likewise.
8987 (k6_cost): Likewise.
8988 (athlon_cost): Likewise.
8989 (k8_cost): Likewise.
8990 (pentium4_cost): Likewise.
8991 (nocona_cost): Likewise.
8992 (generic64_cost): Likewise.
8993 (generic32_cost): Likewise.
8995 2006-03-24 Denis Chertykov <denisc@overta.ru>
8997 * config/avr/avr-protos.h (extra_constraint): Delete.
8998 (extra_constraint_Q): New declaration.
8999 * config/avr/constraints.md: New file.
9000 * config/avr/avr.md: Include it.
9001 (REG_X, REG_Y, REG_Z, REG_W): New constants.
9002 (TMP_REGNO, ZERO_REGNO): Likewise.
9003 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
9004 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
9005 (extra_constraint): Delete.
9006 (extra_constraint_Q): Test for memory constraint 'Q'.
9007 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
9008 (REG_CLASS_FROM_LETTER): Delete.
9009 (CONST_OK_FOR_LETTER_P): Delete.
9010 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9011 (EXTRA_CONSTRAINT): Delete.
9012 (TMP_REGNO): Delete.
9013 (ZERO_REGNO): Delete.
9015 2006-03-24 Jeff Law <law@redhat.com>
9017 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
9018 directly. Call mark_new_vars_to_rename slightly earlier.
9020 2006-03-24 Geoffrey Keating <geoffk@apple.com>
9022 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9024 (gen_compile_unit_die): Use new language types for Objective-C and
9026 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9027 DW_LANG_C_plus_plus.
9030 * config/t-darwin (crt3.o): Work around bug 26840.
9031 * config/darwin-crt3.c: Rewrite.
9032 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
9034 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
9036 * doc/invoke.texi: Document -femit-class-debug-always
9037 * common.opt: Add -femit-class-debug-always.
9039 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
9041 * config/s390/s390.c (s390_decompose_address): Allow SImode for
9042 index and base register.
9043 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9044 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
9045 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
9046 REGNO_OK_FOR_INDEX_P.
9047 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
9049 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
9050 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
9051 REG_OK_FOR_BASE_P): Definitions removed.
9053 2006-03-24 Jakub Jelinek <jakub@redhat.com>
9056 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
9057 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
9058 set yet or weren't marked as local yet.
9060 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
9062 * regrename.c (scan_rtx_address): Initialize a variable to shut up
9065 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
9067 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
9068 (rs6000_legitimate_small_data_p): Delete.
9069 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
9070 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
9071 and make static. Add forward declaration. Update uses.
9072 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
9073 of offsettable_memref_p.
9074 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
9075 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
9077 2006-03-24 Jeff Law <law@redhat.com>
9079 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
9080 around bug in immediate-use iterator.
9082 2006-03-24 Alan Modra <amodra@bigpond.net.au>
9085 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
9086 or __LITTLE_ENDIAN__.
9088 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
9090 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9091 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9092 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9093 * config/sh/sh.opt (mdiv=): Amend description.
9094 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9095 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9096 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9097 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9098 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9099 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9100 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9101 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
9102 TARGET_DIVIDE_CALL_FP.
9104 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9106 * haifa-sched.c (choose_ready): Fix type of the local variable.
9107 Move local variables. Add comment.
9108 (check_reg_live): Change signature. Make callable from debugger.
9109 * sched-int.h (check_reg_live): Update signature.
9110 * sched-ebb.c (check_reg_live): Update parameters.
9111 * sched-rgn.c (check_reg_live): Ditto.
9112 (region_head_or_leaf_p): Check pointer before dereferencing.
9113 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
9114 before reload on optimization levels below 1.
9116 2006-03-23 Richard Henderson <rth@redhat.com>
9118 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9122 * config/alpha/predicates.md (local_symbolic_operand): Reject
9125 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
9128 * tree-ssa-pre.c (create_value_expr_from): Don't reject
9129 expressions which have overflowed constants.
9131 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9133 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9135 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9137 * cfgloopmanip.c (create_loop_notes): Removed.
9138 * final.c (final_scan_insn): Do not handle loop notes.
9139 * jump.c (squeeze_notes): Ditto.
9140 * cfglayout.c (skip_insns_after_block,
9141 duplicate_insn_chain): Ditto.
9142 * cfgcleanup.c (rest_of_handle_jump2): Do not call
9144 * cfgloop.h (create_loop_notes): Declaration removed.
9146 2006-03-23 Richard Sandiford <richard@codesourcery.com>
9148 * varasm.c (output_constant_pool): Restore fnname and fndecl
9150 (assemble_start_function): Adjust call accordingly.
9151 (assemble_end_function): Likewise.
9153 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9156 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9159 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9161 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9164 * system.h (ICE_EXIT_CODE): New macro.
9165 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9166 (diagnostic_action_after_output): Likewise.
9167 * gcc.c (fatal_ice): New function.
9168 (execute): Use it instead of fatal.
9169 (fancy_abort): Likewise.
9170 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9172 2006-03-22 Jeff Law <law@redhat.com>
9174 * loop-unroll.c (analyze_iv_to_split_insn): Handle
9175 iv_analyze_result returning false.
9177 2006-03-22 Jie Zhang <jie.zhang@analog.com>
9179 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9181 2006-03-22 Richard Henderson <rth@redhat.com>
9184 * except.c (duplicate_eh_regions_0): New.
9185 (duplicate_eh_region_1): Duplicate the children of the node as
9186 well as the node itself. Link them up properly.
9187 (duplicate_eh_region_2): Merge into ...
9188 (duplicate_eh_regions): ... here. Take copy_region argument, and
9189 copy only a sub-tree if asked. Simplify copying and fixup.
9190 (eh_region_outer_p): New.
9191 * except.h (duplicate_eh_regions): Update decl.
9192 (eh_region_outer_p): Declare.
9193 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9194 (lower_omp_master): Likewise.
9195 (lower_omp_ordered): Likewise.
9196 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9197 (move_stmt_r): Use it to remap labels. Handle recursion vs
9198 remap_decls_p properly.
9199 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
9200 (find_outermost_region_in_block): New.
9201 (new_label_mapper): New.
9202 (move_sese_region_to_fn): Copy eh information to the new function
9204 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9206 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9209 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9211 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9212 into shared libraries.
9214 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9216 * doc/md.texi: Refer to i386/constraints.md instead of
9218 * config/i386/constraints.md: New file, extracted from...
9219 * config/i386/predicates.md: ...here.
9220 * config/i386/i386.md: Include constraints.md.
9222 2006-03-21 Jason Merrill <jason@redhat.com>
9224 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9227 * expr.c (init_block_move_fn): Force default visibility.
9228 (init_block_clear_fn): Likewise.
9229 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9230 * targhooks.c (default_external_stack_protect_fail): Likewise.
9232 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9234 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9235 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9236 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9237 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9238 (loadgp): Use mips_current_loadgp_style.
9239 (loadgp_noshared): New pattern.
9240 (sibcall_internal): Use MIPS_CALL.
9241 (sibcall_value_internal): Likewise.
9242 (sibcall_value_multiple_internal): Likewise.
9243 (call_internal): Likewise.
9244 (call_value_internal): Likewise.
9245 (call_value_multiple_internal): Likewise.
9246 (call_split): Use MIPS_CALL and add an 'S' constraint.
9247 (call_value_split): Likewise.
9248 (call_value_multiple_split): Likewise.
9249 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9250 (-mshared): New option.
9251 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9252 (mips_current_loadgp_style): Declare.
9253 * config/mips/mips.c (mips_classify_symbol): Avoid using
9254 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9255 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9256 TARGET_ABSOLUTE_ABICALLS.
9257 (override_options): Adjust comments. Improve the warning that is
9258 issued when -mabicalls and -G are used together.
9259 (mips_file_start): Remove comment.
9260 (mips_current_loadgp_style): New function.
9261 (mips_gnu_local_gp): New variable.
9262 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9264 (mips_output_function_prologue): Use mips_current_laodgp_style.
9265 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9266 the cprestore instruction.
9267 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9268 live for TARGET_ABSOLUTE_ABICALLS.
9269 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9270 (ASM_SPEC): Pass down -mshared and -mno-shared.
9271 (MIPS_CALL): New macro.
9272 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9274 * doc/invoke.texi (-mabicalls): Update documentation.
9275 (-mshared): Document.
9277 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9279 * config/ia64/unwind-hpux.c: New file.
9280 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9282 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9285 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9287 2006-03-21 Jeff Law <law@redhat.com>
9289 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9290 type conversions of a VR_VARYING source to a wider type.
9292 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9294 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9295 tm_file on Solaris 10 and later.
9296 (sparc64-*-solaris2*): Likewise.
9297 (sparc-*-solaris2*): Likewise.
9298 * config/sol26.h: Rename to config/sol2-6.h.
9299 * config/sol2-10.h: New file.
9301 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
9304 * tree-ssa-pre.c (create_component_ref_by_pieces):
9307 2006-03-21 Jakub Jelinek <jakub@redhat.com>
9310 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9311 return it immediately.
9313 2006-03-21 Michael Matz <matz@suse.de>
9315 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9317 (remove_arc, add_arc): Update num_out_arcs member.
9318 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9320 (cache_presence): New function.
9321 (compare_states_for_equiv): New function.
9322 (state_is_differed): Don't take number of outargs, adjust callers.
9323 Use new invariant for speeding up.
9324 (init_equiv_class): Create initial classes based on sorted
9326 (partition_equiv_class): Don't track out_arcs_num.
9327 (evaluate_equiv_classes): Call cache_presence on all states and
9330 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9332 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9333 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9334 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9335 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9337 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9338 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9339 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9340 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9341 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9343 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9344 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9345 (REGNO_REG_CLASS): ARGP is in PREGS.
9346 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9348 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9349 to deal with those addresses.
9350 * addresses.h: New file.
9351 * caller-save.c: Include "addresses.h".
9352 (init_caller_save): Use new base_reg_class function.
9353 * rtl-factoring.c: Include "addresses.h".
9354 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9355 * recog.c: Include "addresses.h".
9356 (preprocess_constraints): Use new base_reg_class function.
9357 * regrename.c: Include "addresses.h".
9358 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9359 functions. Keep track of a new var INDEX_CODE to compute valid
9361 (replace_oldest_value_addr): Likewise.
9362 (replace_oldest_value_mem): Use base_reg_class.
9363 * reload.c: Include "addresses.h".
9364 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9365 (find_reloads): Use new base_reg_class function.
9366 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9367 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9368 all callers and prototype changed.
9369 * reload1.c: Include "addresses.h".
9370 (maybe_fix_stack_asms): Use base_reg_class.
9371 * regclass.c: Include "addresses.h".
9372 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9373 (init_reg_autoinc): Use new base_reg_class function.
9374 (record_reg_classes): Likewise.
9375 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9376 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9377 Use new args to compute necessary class.
9379 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9380 regrename.o, rtl-factoring.o): Update dependencies.
9381 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9382 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9383 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9384 REG_OK_FOR_INDEX_P): Delete documentation.
9386 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9388 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9389 from V7 to V9 for Solaris 7 and above.
9391 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9393 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9394 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9395 argument pointers may not alias any other storage.
9396 * common.opt: Define option -fargument-noalias-anything.
9397 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9398 alias semantics is specified by flag_argument_noalias > 2.
9400 2006-03-20 Jeff Law <law@redhat.com>
9402 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9403 (pass_phi_only_cprop): Declare.
9404 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9406 * tree-ssa-dom.c (degenerate_phi_result): New function.
9407 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9408 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9409 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9410 (eliminate_degenerate_phis): Likewise.
9411 (pass_phi_only_cprop): New pass descriptor.
9412 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9413 support code. Callers updated.
9414 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9415 (store_copy_prop): Likewise.
9416 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9418 2006-03-20 Jason Merrill <jason@redhat.com>
9421 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9422 (push_visibility, pop_visibility): Likewise.
9423 * c-pragma.h: Declare them.
9425 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9427 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9429 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9430 parameter and use get_ebb_head_tail.
9431 (sh_md_init_global): Adjust uses of find_regmode_weight.
9433 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9435 * function.h (struct function) <x_tail_recursion_reentry>:
9436 Rename to x_stack_check_probe_note.
9437 (tail_recursion_reentry): Rename to stack_check_probe_note.
9438 * function.c: Replace tail_recursion_reentry with
9439 stack_check_probe_note everywhere.
9440 (expand_function_start): Only emit a note for
9441 stack_check_probe_note with -fstack-protect.
9442 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9444 * emit-rtl.c (remove_unnecessary_notes): Remove.
9445 (pass_remove_unnecessary_notes): Remove.
9446 * rtl.h (remove_unnecessary_notes): Remove prototype.
9447 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9448 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9449 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9451 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9454 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9455 (valid_in_set): Handle ARRAY_REF.
9456 Change "if min_variant or VH" to asserts.
9457 (create_component_ref_by_pieces): Handle ARRAY_REF.
9458 (create_expression_by_pieces): Likewise.
9459 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9461 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9463 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9464 is operand of switch, not str[0].
9466 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9468 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9469 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9471 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9473 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9474 end of insn_extra_address_constraint declaration.
9476 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9478 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9479 (no-sum-in-toc): Same.
9480 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9482 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9483 NO_FP_IN_TOC for -fPIC instead of mask.
9485 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9486 (BOOT_LDFLAGS): Delete.
9488 * config/rs6000/t-aix52: Same.
9490 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9491 (stmsi[345678]_power): New.
9493 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9495 * config/ia64/ia64.opt: Add empty line to end of file.
9497 2006-03-17 Richard Guenther <rguenther@suse.de>
9500 * builtins.c (get_pointer_alignment): For component style references
9501 adjust alignment to the component type alignment. Make sure
9502 to adjust alignment for component access of constants.
9504 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9506 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9509 2006-03-17 Paul Brook <paul@codesourcery.com>
9511 * doc/install.texi: Docuemnt --with-mode.
9512 * config.gcc: Add --with-mode for arm*-*-*.
9513 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9515 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9517 * sh.c (max_labelno_before_reorg): New variable.
9518 (sh_reorg): Initialize it.
9519 (find_barrier): Check max_labelno_before_reorg before using
9520 label_to_alignment. Take length of explicit alignment insns
9521 into account. When seeing a UNSPECV_CONST_END, return it.
9523 * sh.c (fixup_mova): Set mode of affected label to QImode.
9524 (untangle_mova): New function.
9525 (find_barrier): Use it. Check mode of label before decrementing
9527 (sh_reorg): Likewise.
9528 Set mode of all insns back to VOIDmode.
9530 * sh.c (MOVA_LABELREF): New macro.
9531 (mova_p, fixup_mova, sh_reorg): Use it.
9532 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9533 ADDR_DIFF_VEC matches mova.
9535 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9537 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9538 with ATTRIBUTE_UNUSED.
9540 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9542 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9543 pointer, instead of assuming it is possible to derive the
9544 correct args size from a call insn.
9546 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9548 * rtl.h (CONST_INT_P): Define.
9549 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9550 instead of GET_CODE(x) == CONST_INT.
9551 (vax_rtx_costs): Likewise.
9552 (vax_output_int_move): Likewise.
9553 (vax_output_int_add): Likewise.
9554 (legitimate_constant_address_p): Likewise.
9555 (index_term_p): Likewise.
9556 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9557 * config/vax/vax.md (and<mode>3): Likewise.
9558 (ashrsi3): Likewise.
9560 (movstricthi): Likewise.
9561 (movstrictqi): Likewise.
9562 (rotrsi3): Likewise.
9563 (five unnamed insns): Likewise.
9565 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9567 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9568 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9569 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9570 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9571 Pass to ASM_OUTPUT_DWARF_OFFSET.
9572 * dwarf2out.c (debug_frame_section): New.
9573 (output_call_frame_info): Use debug_frame_section. Pass it to
9574 dw2_asm_output_offset.
9575 (output_die): Pass appropriate section to dw2_asm_output_offset.
9576 (output_compilation_unit_header): Likewise.
9577 (output_pubnames): Likewise.
9578 (output_aranges): Likewise.
9579 (enum dw_val_class): Break dw_val_class_lbl_offset into
9580 dw_val_class_lineptr and dw_val_class_macptr.
9581 (add_AT_lbl_offset): Delete.
9582 (add_AT_lineptr): New.
9583 (add_AT_macptr): New.
9584 (AT_lbl): Expect a lineptr or macptr.
9585 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9586 (attr_checksum): Likewise.
9587 (same_dw_val_p): Likewise.
9588 (size_of_die): Likewise.
9589 (value_format): Likewise.
9590 (output_die): Likewise.
9591 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9593 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9594 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9595 * config/darwin-protos.h (darwin_file_start): New.
9596 (darwin_asm_output_dwarf_offset): New.
9597 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9598 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9600 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9601 if not EH section; simplify.
9602 (darwin_file_start): New.
9603 (darwin_asm_output_dwarf_offset): New.
9604 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9606 (DEBUG_INFO_SECTION): Likewise.
9607 (DEBUG_ABBREV_SECTION): Likewise.
9608 (DEBUG_ARANGES_SECTION): Likewise.
9609 (DEBUG_MACINFO_SECTION): Likewise.
9610 (DEBUG_LINE_SECTION): Likewise.
9611 (DEBUG_LOC_SECTION): Likewise.
9612 (DEBUG_PUBNAMES_SECTION): Likewise.
9613 (DEBUG_STR_SECTION): Likewise.
9614 (DEBUG_RANGES_SECTION): Likewise.
9615 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9616 (ASM_OUTPUT_DWARF_OFFSET): New.
9618 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9620 * config.gcc (tm_defines): Always add to previous value rather
9623 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9625 * config/mips/predicates.md (splittable_const_int_operand): New,
9626 split from move_operand.
9627 (splittable_symbolic_operand): New.
9628 (move_operand): Add commentary. Use splittable_const_int_operand.
9629 Inline mips_atomic_symbolic_constant_p.
9630 * config/mips/mips.md: Add combine splitters for handling moves
9631 of splittable_const_int_operands and splittable_symbolic_operands.
9632 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9633 (mips_split_symbol): Declare.
9634 (mips_move_integer): Declare.
9635 * config/mips/mips.c (mips_split_p): Make global.
9636 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9637 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9638 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9639 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9640 (mips_offset_within_object_p): Handle block symbols.
9641 (mips_atomic_symbolic_constant_p): Delete.
9642 (mips_cannot_force_const_mem): Return false for constants that
9643 mips_legitimize_move can handle.
9644 (mips_use_blocks_for_constant_p): New function.
9645 (mips_split_symbol): Make global.
9646 (mips_move_integer): Likewise. Add a temporary register argument.
9647 (mips_legitimize_const_move): Use splittable_const_int_operand and
9648 splittable_symbolic_operand.
9649 (mips_use_anchors_for_symbol_p): New function.
9650 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9651 (mips_split_p): Declare.
9653 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9655 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9656 (mips*-*-linux*): Likewise.
9658 2006-03-16 Roger Sayle <roger@eyesopen.com>
9659 Daniel Speyer <dspeyer@wam.umd.edu>
9662 * tree-dump.c (dump_real): New function.
9663 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9664 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9665 (tree-dump.o): Add $(REAL_H) to the dependencies.
9667 2006-03-16 Roger Sayle <roger@eyesopen.com>
9670 * real.c (real_from_string): If the mantissa is zero, don't bother
9671 parsing the exponent as the result should always be zero.
9673 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9675 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9677 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9679 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9680 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9681 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9682 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9683 ia64_sched_finish_global): New static functions to implement
9684 hooks from gcc_target.sched.
9685 (spec_check_no, max_uid, pending_data_specs): New static variables.
9686 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9687 ia64_spec_check_src_p): New static functions.
9688 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9689 (TARGET_SCHED_ADJUST_COST): Removed.
9690 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9691 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9692 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9693 TARGET_SCHED_GEN_CHECK,
9694 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9695 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9696 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9697 Fixed to handle speculation checks.
9698 (rtx_needs_barrier): Fixed to handle speculative loads and
9700 (ia64_variable_issue): Added code to count speculative loads and their
9702 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9704 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9706 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9708 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9709 (ia64_reorg): Reset stops_p to NULL after it is freed.
9710 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9711 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9712 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9714 (data_speculative, control_speculative, check_load): New attributes.
9715 (mov<mode>_advanced, mov<mode>_speculative,
9716 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9717 zero_extend<mode>di2_speculative,
9718 zero_extend<mode>di2_speculative_advanced): New patterns for
9719 data and control speculative loads.
9720 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9722 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9723 New pattern for data and control speculation checks.
9724 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9725 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9726 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9727 Auxiliary definitions for the patterns.
9728 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9729 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9731 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9733 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9734 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9735 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9736 New resource constraints.
9737 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9739 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9740 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9741 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9742 msched-in-control-spec, msched-ldc, msched-control-ldc,
9743 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9744 msched-prefer-non-control-spec-insns,
9745 msched-count-spec-in-critical-path): New flags to tune speculative
9747 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9748 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9749 msched-in-control-spec, msched-ldc, msched-control-ldc,
9750 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9751 msched-prefer-non-control-spec-insns,
9752 msched-count-spec-in-critical-path): Document new flags.
9754 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9756 * target.h (struct spec_info_def): New opaque declaration.
9757 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9758 speculate_insn, needs_block_p, gen_check,
9759 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9760 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9761 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9762 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9763 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9764 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9766 (TARGET_SCHED): Use new macros.
9767 * rtl.h (copy_DEPS_LIST_list): New prototype.
9768 * sched-int.h (struct sched_info): Change signature of new_ready field,
9769 adjust all initializations. New fields: add_remove_insn,
9770 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9771 region_head_or_leaf_p.
9772 (struct spec_info_def): New structure declaration.
9773 (spec_info_t): New typedef.
9774 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9775 recovery_block, orig_pat.
9776 (glat_start, glat_end): New variables declaraions.
9777 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9779 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9780 DETACH_LIFE_INFO, USE_GLAT.
9781 (enum SPEC_SCHED_FLAGS): New enumeration.
9782 (NOTE_NOTE_BB_P): New macro.
9783 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9784 attach_life_info, debug_spec_status, check_reg_live): New functions.
9785 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9786 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9788 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9789 * ddg.c (get_block_head_tail): Adjust all uses.
9790 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9791 (sms_sched_info): Initialize new fields.
9792 (contributes_to_priority): Removed.
9793 * haifa-sched.c (params.h): New include.
9794 (get_block_head_tail): Adjust all uses.
9795 (ISSUE_POINTS): New macro.
9796 (glat_start, glat_end): New global variables.
9797 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9798 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9799 old_last_basic_block, before_recovery, current_sched_info_var,
9800 rgn_n_insns, luid): New static variables.
9801 (insn_cost1): New function. Move logic from insn_cost to here.
9802 (find_insn_reg_weight1): New function. Move logic from
9803 find_insn_reg_weight to here.
9804 (reemit_notes, move_insn, max_issue): Change signature.
9805 (move_insn1): Removed.
9806 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9807 extend_bb): New static functions to support extension of scheduler's
9809 (generate_recovery_code, process_insn_depend_be_in_spec,
9810 begin_speculative_block, add_to_speculative_block,
9811 init_before_recovery, create_recovery_block, create_check_block_twin,
9812 fix_recovery_deps): New static functions to support
9813 generation of recovery code.
9814 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9815 restore_bb_notes, move_block_after_check, move_succs): New static
9816 functions to support ebb scheduling.
9817 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9818 functions to support handling of register live information.
9819 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9820 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9821 add_jump_dependencies): New static functions.
9822 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9823 consistancy checking.
9824 (debug_spec_status): New function to call from debugger.
9825 (priority): Added code to handle speculation checks.
9826 (rank_for_schedule): Added code to distinguish speculative instructions.
9827 (schedule_insn): Added code to handle speculation checks.
9828 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9829 Fixed to handle ebbs.
9830 (move_insn): Added code to handle ebb scheduling.
9831 (max_issue): Added code to use ISSUE_POINTS of instructions.
9832 (choose_ready): Added code to choose between speculative and
9833 non-speculative instructions.
9834 (schedule_block): Added code to handle ebb scheduling and scheduling of
9835 speculative instructions.
9836 (sched_init): Initialize new variables.
9837 (sched_finish): Free new variables. Print statistics.
9838 (try_ready): Added code to handle speculative instructions.
9839 * lists.c (copy_DEPS_LIST_list): New function.
9840 * sched-deps.c (extend_dependency_caches): New function. Move logic
9841 from create_dependency_caches to here.
9842 (get_dep_weak, ds_merge): Make global.
9843 * genattr.c (main): Code to output prototype for
9844 dfa_clear_single_insn_cache.
9845 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9846 (output_dfa_clean_insn_cache_func): Code to output
9847 dfa_clear_single_insn_cache function.
9848 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9850 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9852 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9853 New static variables.
9854 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9855 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9857 (ebb_sched_info): Initialize new fields.
9858 (get_block_head_tail): Adjust all uses.
9859 (compute_jump_reg_dependencies): Fixed to use glat_start.
9860 (schedule_ebb): Code to remove unreachable last block.
9861 (schedule_ebbs): Added code to update register live information.
9862 * sched-rgn.c (region_sched_info): Initialize new fields.
9863 (get_block_head_tail): Adjust all uses.
9864 (last_was_jump): Removed. Adjust users.
9865 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9866 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9867 Implement new hooks.
9868 (check_dead_notes1): New static function.
9869 (struct region): New fields: dont_calc_deps, has_real_ebb.
9870 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9871 (BB_TO_BLOCK): Fixed to handle EBBs.
9872 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9873 (ebb_head): New static variable.
9874 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9875 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9877 (compute_dom_prob_ps): New assertion.
9878 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9879 global_live_at_start.
9880 (init_ready_list): New assertions.
9881 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9882 (new_ready): Add support for BEGIN_CONTROL speculation.
9883 (schedule_insns): Fixed code that updates register live information
9885 (schedule_region): Fixed to handle EBBs.
9886 (init_regions): Use extend_regions and check_dead_notes1.
9887 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9888 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9889 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9890 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9891 TARGET_SCHED_GEN_CHECK,
9892 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9893 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9894 * doc/invoke.texi (max-sched-insn-conflict-delay,
9895 sched-spec-prob-cutoff): Document.
9897 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9899 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
9900 inter_tick, queue_index.
9901 (struct sched_info): Change signature of init_ready_list field.
9902 Adjust all initializations.
9903 (RESOLVED_DEPS): New access macro.
9904 (ready_add): Remove prototype.
9905 (try_ready): Add prototype.
9906 * sched-rgn.c (init_ready_list): Use try_ready.
9907 (schedule_region): Initialize
9908 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
9909 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
9910 (init_ready_list): Use try_ready.
9911 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
9912 * lists.c (remove_list_elem): Remove `static'.
9913 (remove_free_INSN_LIST_elem): New function.
9914 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
9915 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
9916 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
9918 (readyp): New variable.
9919 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
9920 change_queue_index, resolve_dep): New static functions.
9921 (try_ready): New function. Adjust callers in sched-rgn.c and
9922 sched-ebb.c to use it instead of ready_add.
9923 (clock_var): Move at the begining of file.
9924 (rank_for_schedule): Fix typo.
9925 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9926 (ready_lastpos): Enforce assertion.
9927 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9929 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9930 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9931 (queue_to_ready): Use free_INSN_LIST_list.
9932 (early_queue_to_ready): Fix typo.
9933 (schedule_block): Init readyp. Move init_ready_list call after the
9934 initialization of clock_var. Fix error in rejecting insn by
9935 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9936 that previously corrected INSN_TICKs. Add code for handling
9938 (set_priorities): Fix typo.
9939 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9940 Clarify comment and code that keeps current_sched_info->next_tail
9943 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9945 * sched-rgn.c (extend_rgns): New static function.
9946 (find_rgns): Use it.
9947 (gather_region_statistics, print_region_statistics): New static
9949 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9950 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9952 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9953 Andrey Belevantsev <abel@ispras.ru>
9955 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9956 * lists.c (unused_deps_list): New variable.
9957 (free_list): Add assertions to verify the proper distinguishing
9958 between INSN_LISTs and DEPS_LISTs.
9959 (find_list_elem, remove_list_elem, remove_list_node): New static
9961 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9962 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9963 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9964 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9966 (free_INSN_LIST_node): Likewise.
9967 * modulo-sched.c (current_sched_info): Initialize flags field.
9968 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9969 * rtl.def (DEPS_LIST): Define.
9970 * rtl.h: Declare new functions from lists.c.
9971 * sched-deps.c (spec_dependency_cache): New static variable.
9972 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
9973 (add_dependence): Change return type to void. Move the logic to ...
9974 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9975 (delete_all_dependences): Add comment about forward_dependency_cache.
9976 Handle spec_dependency_cache. Handle DEPS_LISTs.
9977 (fixup_sched_groups): Clarify the change of priority of output
9978 and anti dependencies.
9979 (sched_analyze_2): Adjust add_dependence calls to create data
9980 speculative dependence.
9981 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
9982 Adjust all callers. Handle DEPS_LISTS.
9983 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
9984 presence of speculation.
9985 (init_dependency_caches, free_dependency_caches):
9986 Handle spec_dependency_cache.
9987 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
9988 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
9989 New static functions.
9990 (add_or_update_back_dep, add_or_update_back_forw_dep,
9991 add_back_forw_dep, delete_back_forw_dep): New functions.
9992 * sched-int.h (ds_t, dw_t): New typedefs.
9993 (struct sched_info): Add new field flags.
9994 (struct haifa_insn_data): Add new bitfield has_internal_dep.
9995 Prototype new sched-deps.c functions.
9996 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
9997 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
9998 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
9999 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
10000 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
10001 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
10003 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
10005 * sched-rgn.c (current_sched_info): Initialize flags field.
10006 (schedule_insns): Initialize current_sched_info before the sched_init
10008 * sched-ebb.c (current_sched_info): Initialize flags field.
10009 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
10010 Call add_or_update_back_dep instead of add_dependence.
10011 Create control speculative dependencies.
10012 (schedule_insns): Initialize current_sched_info before the sched_init
10015 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
10017 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
10019 (sh_fallback_frame_state): Likewise.
10021 2006-03-15 Geoffrey Keating <geoffk@apple.com>
10023 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10024 Do switch on default_use_cxa_atexit.
10025 (powerpc*-*-darwin*): Build crt2.o on powerpc.
10026 * config/darwin-crt3.o: New.
10027 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10028 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
10029 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
10031 * config/rs6000/t-darwin: Move crt2.o building to here.
10032 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
10033 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
10036 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10038 * config/vax/vax.c (nonindexed_address_p): Change logical negation
10039 from '! xxx' to '!xxx' for coding-style conformance.
10040 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10041 (EXTRA_CONSTRAINT): Likewise.
10042 * config/vax/vax.md (four unnamed insns): Likewise.
10044 2006-03-15 Paul Brook <paul@codesourcery.com>
10046 * config/arm/arm.c (minipool_pad): New.
10047 (add_minipool_forward_ref): Include pool alignment padding in address
10049 (push_minipool_fix): Set minipool_pad.
10050 (minipool_pad): Ditto.
10052 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10054 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
10055 instead of GET_CODE() == MEM and REG_P() instead of
10057 (print_operand_address): Likewise.
10058 (vax_address_cost): Likewise.
10059 (vax_rtx_costs): Likewise.
10060 (vax_notice_update_cc): Likewise.
10061 (vax_output_int_add): Likewise.
10062 (INDEX_REGISTER_P): Likewise.
10063 (BASE_REGISTER_P): Likewise.
10064 (nonindexed_address_p): Likewise.
10065 (vax_mode_dependent_address_p): Likewise.
10066 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
10067 (PRINT_OPERAND): Likewise.
10068 * config/vax/vax.md (ashlsi3): Likewise.
10069 (ashlsi3): Likewise.
10070 (some more unnamed insns): Likewise.
10072 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
10074 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
10075 iterator-style macro.
10076 (mark_control_dependent_edges_necessary): Update the use of
10077 EXECUTE_IF_CONTROL_DEPENDENT.
10079 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
10081 * config/sh/predicates.md (cache_address_operand): Special.
10082 (ua_address_operand): Likewise.
10084 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10086 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10088 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10090 2006-03-15 Andreas Schwab <schwab@suse.de>
10092 * gensupport.c (identify_predicable_attribute): Don't free p_false
10093 when it is still in use.
10095 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
10097 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10098 the default setting here.
10100 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
10102 * tree-pass.h (pass_cfg): Remove.
10103 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10104 * passes.c (pass_cfg): Don't run it.
10106 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
10108 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10109 * reg-stack.c (stack_regs_mentioned_data): Change the type to
10111 (stack_regs_mentioned): Update the uses of
10112 stack_regs_mentioned_data. Don't access the array beyond its
10114 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10115 Don't include gt-reg-stack.h.
10117 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
10118 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10120 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10122 PR middle-end/26684
10123 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10126 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10128 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10130 2006-03-14 Richard Guenther <rguenther@suse.de>
10132 PR tree-optimization/26672
10133 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10136 2006-03-14 Richard Guenther <rguenther@suse.de>
10138 PR tree-optimization/26667
10139 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10140 node for the callees. Always allow inlining if it will shrink
10143 2006-03-14 Richard Guenther <rguenther@suse.de>
10145 PR middle-end/26659
10146 * builtins.c (get_pointer_alignment): Prefer alignment
10147 information from decls over that from types.
10149 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
10152 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10154 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
10156 * config/rs6000/rs6000.opt (mdlmzb): New option.
10157 (msched-prolog, msched-epilog): Use Var not Mask.
10158 * doc/invoke.texi (-mdlmzb): Document.
10159 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10161 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10162 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10164 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
10166 PR rtl-optimization/25739
10167 * bt-load.c (augment_live_range): Free tos pointer.
10169 * gensupport.c (identify_predicable_attribute): Free
10171 * gcov.c (create_file_names): Free name pointer.
10173 2006-03-13 Roger Sayle <roger@eyesopen.com>
10175 PR middle-end/26557
10176 * stmt.c (emit_case_nodes): Handle the case where the index is a
10177 CONST_INT, where the comparison mode is specified by the index type.
10179 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10181 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10184 2006-03-13 Richard Sandiford <richard@codesourcery.com>
10186 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10187 (*branch_fp_inverted): Likewise.
10189 2006-03-13 Jakub Jelinek <jakub@redhat.com>
10191 PR middle-end/25989
10192 * omp-low.c (expand_omp_for_generic): Mark istart0
10193 and iend0 as addressable.
10195 2006-03-13 Jie Zhang <jie.zhang@analog.com>
10197 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10199 2006-03-13 Jeff Law <law@redhat.com>
10201 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10202 virtual operands are interesting.
10203 (vrp_visit_stmt): Corresponding changes.
10205 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
10207 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10209 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10210 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10211 * config/bfin/crti.S: Use it instead of __PIC__.
10212 * config/bfin/crtn.S: Likewise.
10214 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10215 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10217 Lose 'G' modifier for call operand.
10218 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10219 recognize 'G' modifier.
10221 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10223 PR middle-end/18859
10224 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10225 * stmt.c (expand_case): Likewise.
10227 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10229 PR rtl-optimization/26254
10230 * loop-invariant.c (seq_insns_valid_p): New function.
10231 (move_invariant_reg): Only emit new code if it is valid.
10233 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10235 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10237 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10238 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10239 (commit_one_edge_insertion): Do not look for loop notes.
10241 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10243 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10244 flag_test_coverage out of loop.
10246 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10248 * final.c (shorten_branches): Remove outdated comment, and turn
10249 the if branch that guards it to continue.
10251 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10253 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10254 * cfgloop.h (struct loop): Remove unused fields.
10256 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10258 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10259 (-dL, -fdump-rtl-loop2): Update the dump file names
10261 * doc/invoke.texi: Update dump file names.
10263 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10265 * predict.c (estimate_probability): Remove.
10266 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10267 * basic-block.h (estimate_probability): Remove prototype.
10268 * passes.c (finish_optimization_passes): Dump branch prediction or
10269 profiling heuristics to the .profile tree dump.
10270 (init_optimization_passes): Unqueue pass_branch_prob.
10272 * doc/invoke.texi (-fdump-rtl-bp): Remove.
10274 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10276 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10277 * rtl.h (LABEL_NEXTREF): Remove field accessor.
10279 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
10281 * function.h (frame_offset_overflow): Declare.
10282 * function.c (frame_offset_overflow): New function.
10283 (assign_stack_local_1): Call it to detect that the offset overflows.
10284 * cfgexpand.c (alloc_stack_frame_space): Likewise.
10286 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10288 * config/sh/sh.c: Include alloc-pool.h.
10289 (label_ref_list_pool): New alloc pool.
10290 (label_ref_list_t): New type for lists of labels.
10291 (struct pool_node): Make wend a label_ref_list_t.
10292 (add_constant): Use the new type, eradicate LABEL_NEXTREF
10294 (dump_table): Likewise.
10295 (sh_reorg): Set up the alloc pool before using add_constant and
10296 dump_table, and destroy it when finishing.
10298 2006-03-11 Richard Sandiford <richard@codesourcery.com>
10300 * config/mips/mips.c: Remove redundant comment.
10302 2006-03-10 Jason Merrill <jason@redhat.com>
10305 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10306 the target was declared 'register'.
10308 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
10310 * genpreds.c (write_insn_constraint_len): Change definition of
10311 insn_constraint_len to return size_t to match the declaration.
10313 2006-03-10 DJ Delorie <dj@redhat.com>
10315 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10317 (m32c_expand_insv): Fix test for an AND mask.
10319 2006-03-10 Richard Guenther <rguenther@suse.de>
10321 PR middle-end/26565
10322 * builtins.c (get_pointer_alignment): Handle component
10323 references for field alignment.
10325 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10327 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10328 when building with libgloss.
10329 (sh*elf): Implement --without-fp option.
10330 (sh64-superh-linux*): Don't multilib.
10332 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10334 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10336 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10338 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10339 Set it when one of the replacement functions returned true.
10340 Return TODO_cleanup_cfg if cfgchanged is true.
10341 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10343 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10345 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10346 instead of gen_lowpart.
10348 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10350 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10352 (mips_output_order_conditional_branch): Declare.
10353 * config/mips/mips.h (MIPS_BRANCH): New macro.
10354 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10355 for the comparison. Use gen_condjump.
10356 (mips_output_conditional_branch): Rework interface to take the
10357 asm templates for a direct branch and the inverse of a direct branch.
10358 (mips_output_order_conditional_branch): New function.
10359 (mips_builtin_branch_and_move): New function.
10360 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10361 branch condition. Use gen_single_cc as the condition for
10362 __builtin_mips_upper_* or __builtin_mips_lower_*.
10363 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10364 Use VOIDmode for the branch condition.
10365 * config/mips/predicates.md (order_operator): New predicate.
10366 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10367 (branch_fp): Rename to...
10368 (*branch_fp): ...this. Remove mode from comparison operator.
10369 Use new mips_output_conditional_branch interface.
10370 (branch_fp_inverted): Rename to...
10371 (*branch_fp_inverted): ...this and update as for *branch_fp.
10372 (*branch_zero<mode>): Rename to...
10373 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10374 Use mips_output_order_conditional_branch. Only accept ordered
10376 (*branch_zero<mode>_inverted): Rename to...
10377 (*branch_order<mode>_inverted): ...this and update as for
10378 *branch_order<mode>.
10379 (*branch_equality<mode>): Accept zero as the second operand to
10380 the equality operator. Use the new mips_output_conditional_branch
10382 (*branch_equality<mode>_inverted): Likewise.
10383 (condjump): New expander.
10384 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10386 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10387 (bc1any2t, bc1any2f): Likewise.
10388 (single_cc): New expander.
10389 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10391 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10393 * doc/md.texi: Update documentation of MIPS constraints.
10394 * config/mips/constraints.md: New file.
10395 * config/mips/mips.md: Include it.
10396 * config/mips/mips.c (mips_char_to_class): Delete.
10397 (override_options): Don't initialize mips_char_to_class.
10398 * config/mips/mips.h (mips_char_to_class): Delete.
10399 (REG_CLASS_FROM_LETTER): Delete.
10400 (CONST_OK_FOR_LETTER_P): Delete.
10401 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10402 (EXTRA_CONSTRAINT_Y): Delete.
10403 (EXTRA_CONSTRAINT_STR): Delete.
10404 (CONSTRAINT_LEN): Delete.
10405 (EXTRA_MEMORY_CONSTRAINT): Delete.
10407 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10409 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10410 original fn's eh regions.
10412 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10414 * fold-const.c (build_range_check): Make sure to use a valid type to
10415 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10418 (range_predecessor): New static function.
10419 (range_successor): Likewise.
10420 (merge_ranges): Use them to compute predecessors and successors of
10423 2006-03-09 Roger Sayle <roger@eyesopen.com>
10425 PR middle-end/26561
10426 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10427 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10429 2006-03-08 DJ Delorie <dj@redhat.com>
10431 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10432 (addpsi3): Expand to include memory operands. Remove
10433 reload-specific splits.
10434 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10435 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10436 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10437 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10438 (shift1_qi, shift1_hi, insv): New.
10439 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10440 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10441 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10443 * config/m32c/m32c-protos.h: Update as needed.
10444 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10445 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10446 Fail for unrecognized R* constraints.
10447 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10448 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10449 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10451 (m32c_init_libfuncs): New.
10452 (m32c_legitimate_address_p): Add debug wrapper.
10453 (m32c_rtx_costs): New.
10454 (m32c_address_cost): New.
10455 (conversions): Add 'B' prefix.
10456 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10457 operands, or word regnames for QI operands. 'B' prints bit
10459 (m32c_expand_setmemhi): New.
10460 (m32c_expand_movmemhi): New.
10461 (m32c_expand_movstr): New.
10462 (m32c_expand_cmpstr): New.
10463 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10464 (m32c_expand_neg_mulpsi3): Handle non-ints.
10465 (m32c_cmp_flg_0): New.
10466 (m32c_expand_movcc): New.
10467 (m32c_expand_insv): New.
10468 (m32c_scc_pattern): New.
10469 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10470 a0/a1 out of SIregs.
10471 (STORE_FLAG_VALUE): New.
10472 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10475 * config/m32c/mov.md: Make constraints more liberal.
10476 (zero_extendqihi2): Optimize r0/r1 case.
10477 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10478 * config/m32c/predicates.md (m32c_any_operand): New.
10479 (m32c_nonimmediate_operand): New.
10480 (m32c_hl_operand): New.
10481 (m32c_r3_operand): New.
10484 (memsym_operand): New.
10485 (memimmed_operand): New.
10486 (a_qi_operand): New.
10487 (m32c_eqne_operator): New.
10488 (m32c_1bit8_operand): New.
10489 (m32c_1bit16_operand): New.
10490 (m32c_1mask8_operand): New.
10491 (m32c_1mask16_operand): New.
10492 * config/m32c/blkmov.md: New file.
10493 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10495 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10497 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10498 unsigned to fix signed/unsigned comparison issue in
10499 DWARF2_FRAME_REG_OUT.
10500 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10501 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10503 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10504 of ptr into the ENABLE_CHECKING section.
10506 2006-03-08 Jeff Law <law@redhat.com>
10508 * tree-vrp.c (infer_value_range): Only count pointer uses
10509 and dereferences if -fdelete-null-pointer-checks is enabled.
10511 * tree-vrp.c (find_assert_locations): Infer value ranges for
10512 single use pointers, but do not create ASSERT_EXPRs for them.
10513 When a non-null range is inferred for a pointer, backwards
10514 propagate that range to other equivalent pointers through the
10517 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10520 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10521 language hook targets.
10522 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10523 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10524 if language hook targets were missing.
10526 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10528 * tree-ssa-opfinalize.h: Removed.
10529 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10531 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10532 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10533 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10534 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10535 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10536 finalize_ssa_v_must_def_ops): New.
10538 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10540 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10541 block as parameter.
10543 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10545 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10547 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10548 addresses with offsets; reorganize.
10550 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10551 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10552 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10554 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10557 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10559 2006-03-08 Ben Elliston <bje@au.ibm.com>
10561 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10563 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10566 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10569 2006-03-07 Richard Guenther <rguenther@suse.de>
10571 PR tree-optimization/26587
10572 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10574 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10576 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10578 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10580 * hooks.c (hook_bool_mode_rtx_true): New function.
10581 * hooks.h (hook_bool_mode_rtx_true): Declare.
10582 * toplev.c (compile_file): Call output_shared_constant_pool.
10583 * varasm.c (shared_constant_pool): New variable.
10584 (assemble_start_function, assemble_end_function): Remove arguments
10585 from call to output_constant_pool.
10586 (create_constant_pool): New function, split out from...
10587 (init_varasm_status): ...here.
10588 (force_const_mem): Choose between the shared and per-function constant
10589 pools. Set current_function_uses_const_pool when reusing old entries
10590 as well as when creating new ones.
10591 (mark_constant): Ignore data argument.
10592 (mark_constants): Remove pool argument.
10593 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10594 to decide whether the function uses a constant pool.
10595 (output_constant_pool_contents): New function, split out from...
10596 (output_constant_pool): ...here.
10597 (output_shared_constant_pool): New function.
10598 (init_varasm_once): Initialize shared_constant_pool.
10599 * output.h (output_constant_pool): Delete.
10600 (output_shared_constant_pool): Declare.
10601 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10602 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10604 2006-03-06 Nick Clifton <nickc@redhat.com>
10606 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10607 flag_strength_reduce.
10609 2006-03-06 Ben Elliston <bje@au.ibm.com>
10611 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10612 x86_64-*-linux* configurations.
10614 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10615 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10617 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10619 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10621 * basic-block.h: Remove the extern for
10622 rediscover_loops_after_threading.
10624 * cfgloop.c (cancel_loop): Make it static.
10625 * cfgloop.h: Remove the prototype for cancel_loop.
10627 * flow.c (recompute_reg_usage): Make it static.
10628 * rtl.h: Remove the prototype for recompute_reg_usage.
10630 * function.c (use_return_register): Make it static.
10631 * function.h: Remove the prototype.
10633 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10635 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10637 * recog.h: Remove the prototype for
10638 validate_change_maybe_volatile.
10640 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10642 * rtlanal.c (replace_reg): Remove.
10643 * rtl.h: Remove the prototype for replace_reg.
10645 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10647 * regclass.c (reg_scan_update): Remove.
10648 (reg_scan_mark_refs): Remove the last argument.
10649 * rtl.h: Remove the prototype for reg_scan_update.
10651 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10653 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10654 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10655 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10656 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10657 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10658 loop-invariant.c, omp-low.c, opts.c, passes.c,
10659 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10660 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10661 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10662 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10663 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10664 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10666 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10668 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10669 * dwarf2out.h: Remove the prototype for
10670 dwarf2out_add_library_unit_info.
10672 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10674 * tree.c (add_var_to_bind_expr): Remove.
10675 * tree.h: Remove the prototype for add_var_to_bind_expr.
10677 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10679 * regclass.c (n_non_fixed_regs): Remove.
10680 (init_reg_sets_1, globalize_reg): Remove all uses of
10682 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10684 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10686 * rtlanal.c (insns_safe_to_move_p): Remove.
10687 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10689 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10691 * expmed.c (expand_mult_add): Remove.
10692 * expr.h: Remove the prototype for expand_mult_add.
10694 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10696 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10697 and REG_SAVED_VAL_EXP constants.
10698 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10699 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10700 Handle regs stored by value.
10701 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10702 (execute_cfa_program): Handle DW_CFA_val_offset,
10703 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10704 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10705 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10706 (uw_install_context_1): Handle target regs stored by value.
10708 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10710 * tree-sra.c (tree_sra): Return todoflags;
10711 (generate_one_element): Set TODO_update_smt_usage if needed.
10712 (pass_sra): Remove TODO_update_smt_usage.
10713 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10715 (tree_ssa_forward_propagate_single_use_vars): Return
10716 TODO_update_smt_usage if we need to update SMT usage.
10717 (pass_forwprop): Remove TODO_update_smt_usage.
10719 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10721 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10722 (correct_use_link): Remove reference to get_stmt_operands.
10723 (update_stmt_operands): Likewise.
10724 (get_modify_expr_operands): New function factored out of
10725 parse_ssa_operands and get_expr_operands.
10726 Try to create V_MUST_DEFs for LHS by default.
10727 (get_expr_operands) <case MODIFY_EXPR>: Call
10728 get_modify_expr_operands.
10729 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10730 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10731 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10732 get_modify_expr_operands.
10734 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10736 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10737 * tree-flow.h: Remove the prototype for
10738 referenced_var_lookup_if_exists.
10740 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10742 PR rtl-optimization/26345
10744 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10746 2006-03-03 Roger Sayle <roger@eyesopen.com>
10748 PR tree-optimization/26524
10749 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10750 fold_convert to create a constant of the appropriate type.
10752 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10754 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10755 SYMBOL_REF_IN_BLOCK_P.
10756 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10757 of SYMBOL_FLAG_IN_BLOCK.
10758 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10759 instead of SYMBOL_REF_IN_BLOCK_P.
10760 * explow.c (use_anchored_address): Likewise.
10761 * rtl.c (rtx_size): Likewise.
10762 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10763 instead of SYMBOL_FLAG_IN_BLOCK.
10764 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10765 SYMBOL_REF_IN_BLOCK_P.
10766 (assemble_variable): Likewise.
10767 (output_constant_def_contents): Likewise.
10768 (output_constant_pool): Likewise.
10769 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10770 instead of SYMBOL_FLAG_IN_BLOCK.
10771 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10772 SYMBOL_REF_IN_BLOCK_P.
10773 (SYMBOL_REF_BLOCK): Likewise.
10774 (SYMBOL_REF_OFFSET): Likewise.
10775 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10776 SYMBOL_REF_IN_BLOCK_P.
10777 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10778 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10779 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10780 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10782 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10784 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10786 2006-03-02 Roger Sayle <roger@eyesopen.com>
10788 * simplify-rtx.c (simplify_unary_operation): When simplifying
10789 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10790 that we perform the right shift in the appropriate mode, and
10791 then extend or truncate the result to requested mode.
10793 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10795 * gengtype.c (main): Handle double_int type.
10796 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10797 * double-int.c: New file.
10798 * double-int.h: New file.
10799 * system.h: Include doubleint.h.
10800 * Makefile.in (SYSTEM_H): Include double-int.h.
10801 (double-int.o): Add.
10803 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10806 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10809 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10811 * tree-vrp.c (remove_range_assertions): Do not update statements
10814 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10816 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10818 * gcse.c (rest_of_handle_gcse): Ditto.
10819 * except.c (gate_handle_eh): Ditto.
10820 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10821 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10823 2006-03-02 Eric Christopher <echristo@apple.com>
10825 * config/i386/i386.c (machopic_output_stub): Add indirection to
10828 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10832 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10834 Sun Niagara specific optimizations.
10835 * config.gcc: Recognize niagara as target.
10836 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10837 (TARGET_CPU_niagara): Define.
10838 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10839 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10840 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10841 (ASM_CPU_SPEC): Likewise.
10842 (PROCESSOR_NIAGARA): New enum entry.
10843 (REGISTER_MOVE_COST): Handle Niagara.
10844 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10845 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10846 (sparc_override_options): Recognize "niagara", set appropriate
10847 default MASK_* values for it, and align functions to 32-bytes
10848 by default just like ULTRASPARC/ULTRASPARC3.
10849 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10850 (sparc64_initialize_trampoline): Likewise.
10851 (sparc_use_sched_lookahead): Use zero for niagara.
10852 (sparc_issue_rate): Use one for niagara.
10853 * config/sparc/niagara.md: New file.
10854 * config/sparc/sparc.md: Include it.
10855 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10856 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10857 when default cpu is niagara.
10858 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10859 (ASM_CPU_SPEC): Likewise.
10860 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10861 when default cpu is niagara.
10862 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10863 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10864 just like v9/ultrasparc/ultrasparc3.
10865 * doc/invoke.texi: Add documentation for "niagara" and improve
10866 existing documentation for ultrasparc variants.
10868 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10870 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10872 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10874 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10875 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10876 and say that only one is needed.
10877 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10878 * target.h (have_switchable_bss_sections): New hook.
10879 * explow.c (use_anchored_address): Check that the symbol is in a block.
10880 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10881 (bss_noswitch_section): New variables.
10882 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10883 (get_noswitch_section): New function.
10884 (get_block_for_section): Allow SECT to be null.
10885 (unlikely_text_section_p): Use SECTION_STYLE.
10886 (bss_initializer_p): New function.
10887 (get_variable_section): Move earlier in file. Take a new argument,
10888 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10889 Return one of the new *_sections in such cases.
10890 (get_block_for_decl): New function, extracting some logic from
10891 use_blocks_for_decl_p.
10892 (change_symbol_section): Remove in favor of...
10893 (change_symbol_block): ...this new function.
10894 (use_blocks_for_decl_p): Remove checks now performed by
10895 get_block_for_decl.
10896 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
10897 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
10898 (emit_local, emit_bss, emit_common): ...these new functions.
10899 Return true if the alignment was honored.
10900 (emit_tls_common): New function.
10901 (asm_emit_uninitialised): Delete.
10902 (assemble_variable_noswitch): New function, split out from...
10903 (assemble_variable): ...here. Don't make decisions about common
10904 variables here. Globalize all public decls that go into non-common
10905 sections. Check whether SYMBOL_REF_BLOCK is null.
10906 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
10907 (output_constant_pool): Likewise.
10908 (init_varasm_once): Initialize the new section variables.
10909 (have_global_bss_p): New function.
10910 (categorize_decl_for_section): Use bss_initializer_p.
10911 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
10912 (place_block_symbol): Assert that the symbol must be in a block.
10913 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
10914 (TARGET_INITIALIZER): Include it.
10915 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
10916 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
10917 (SECTION_MACH_DEP): Bump by two.
10918 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
10919 (unnamed_section): Mention SECTION_UNNAMED in comment.
10920 (named_section): Likewise SECTION_NAMED.
10921 (noswitch_section_callback): New type.
10922 (noswitch_section): New structure.
10923 (section): Add a noswitch_section alternative.
10924 (SECTION_STYLE): New macro.
10925 (tls_comm_section, comm_section, lcomm_section): Declare.
10926 (bss_noswitch_section, have_global_bss_p): Declare.
10927 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10928 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10930 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10931 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10934 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10936 * tree-vrp.c (execute_vrp): Return value.
10937 * regrename.c (rest_of_handle_regrename): Ditto.
10938 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10939 * tree-complex.c (tree_lower_complex): Ditto.
10940 (tree_lower_complex_O0): Ditto.
10941 * tracer.c (rest_of_handle_tracer): Ditto.
10942 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10943 * postreload.c (rest_of_handle_postreload): Ditto.
10944 * tree-tailcall.c (execute_tail_recursion): Ditto.
10945 (execute_tail_calls): Ditto.
10946 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10947 * tree.h (init_function_for_compilation): Ditto.
10948 * ipa-cp.c (ipcp_driver): Ditto.
10949 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10950 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10951 * final.c (compute_alignments): Ditto.
10952 (rest_of_handle_final): Ditto.
10953 (rest_of_handle_shorten_branches): Ditto.
10954 (rest_of_clean_state): Ditto.
10955 * omp-low.c (execute_expand_omp): Ditto.
10956 (execute_lower_omp): Ditto.
10957 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10958 * ipa-reference.c (static_execute): Ditto.
10959 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10960 * reorg.c (rest_of_handle_delay_slots): Ditto.
10961 (rest_of_handle_machine_reorg): Ditto.
10962 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10963 * flow.c (recompute_reg_usage): Ditto.
10964 (rest_of_handle_remove_death_notes): Ditto.
10965 (rest_of_handle_life): Ditto.
10966 (rest_of_handle_flow2): Ditto.
10967 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10968 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10969 (do_ssa_store_ccp): Ditto.
10970 (execute_fold_all_builtins): Ditto.
10971 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10972 * modulo-sched.c (rest_of_handle_sms): Ditto.
10973 * ipa-pure-const.c (static_execute): Ditto.
10974 * cse.c (rest_of_handle_cse): Ditto.
10975 (rest_of_handle_cse2): Ditto.
10976 * web.c (rest_of_handle_web): Ditto.
10977 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10978 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
10979 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
10980 * tree-nrv.c (tree_nrv): Ditto.
10981 (execute_return_slot_opt): Ditto.
10982 * tree-ssa-alias.c (compute_may_aliases): Ditto.
10983 (create_structure_vars): Ditto.
10984 * loop-init.c (rtl_loop_init): Ditto.
10985 (rtl_loop_done): Ditto.
10986 (rtl_move_loop_invariants): Ditto.
10987 (rtl_unswitch): Ditto.
10988 (rtl_unroll_and_peel_loops): Ditto.
10989 (rtl_doloop): Ditto.
10990 * gimple-low.c (lower_function_body): Ditto.
10991 (mark_used_blocks): Ditto.
10992 * tree-ssa-sink.c (execute_sink_code): Ditto.
10993 * ipa-inline.c (cgraph_decide_inlining): Ditto.
10994 (cgraph_early_inlining): Ditto.
10995 * global.c (rest_of_handle_global_alloc): Ditto.
10996 * jump.c (cleanup_barriers): Ditto.
10997 (purge_line_number_notes): Ditto.
10998 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
10999 (rest_of_handle_if_after_reload): Ditto.
11000 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
11001 (tree_ssa_loop_im): Ditto.
11002 (tree_ssa_loop_unswitch): Ditto.
11003 (tree_vectorize): Ditto.
11004 (tree_linear_transform): Ditto.
11005 (tree_ssa_loop_ivcanon): Ditto.
11006 (tree_ssa_empty_loop): Ditto.
11007 (tree_ssa_loop_bounds): Ditto.
11008 (tree_complete_unroll): Ditto.
11009 (tree_ssa_loop_prefetch): Ditto.
11010 (tree_ssa_loop_ivopts): Ditto.
11011 (tree_ssa_loop_done): Ditto.
11012 * predict.c (tree_estimate_probability): Ditto.
11013 * recog.c (split_all_insns_noflow): Ditto.
11014 (rest_of_handle_peephole2): Ditto.
11015 (rest_of_handle_split_all_insns): Ditto.
11016 * tree-eh.c (lower_eh_constructs): Ditto.
11017 * regmove.c (rest_of_handle_regmove): Ditto.
11018 (rest_of_handle_stack_adjustments): Ditto.
11019 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11020 * function.c (instantiate_virtual_regs): Ditto.
11021 (init_function_for_compilation): Ditto.
11022 (rest_of_handle_check_leaf_regs): Ditto.
11023 * gcse.c (rest_of_handle_jump_bypass): Ditto.
11024 (rest_of_handle_gcse): Ditto.
11025 * ipa-type-escape.c (type_escape_execute): Ditto.
11026 * alias.c (rest_of_handle_cfg): Ditto.
11027 * tree-if-conv.c (main_tree_if_conversion): Ditto.
11028 * profile.c (rest_of_handle_branch_prob): Ditto.
11029 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
11030 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
11031 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
11032 * tree-dfa.c (find_referenced_vars): Ditto.
11033 * except.c (set_nothrow_function_flags): Ditto.
11034 (convert_to_eh_region_ranges): Ditto.
11035 (rest_of_handle_eh): Ditto.
11036 * emit-rtl.c (unshare_all_rtl): Ditto.
11037 (remove_unnecessary_notes): Ditto.
11038 * except.h (set_nothrow_function_flags): Ditto.
11039 (convert_to_eh_region_ranges): Ditto.
11040 * cfgexpand.c (tree_expand_cfg): Ditto.
11041 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11042 * tree-ssa-pre.c (do_pre): Ditto.
11043 (execute_fre): Ditto.
11044 * cfgcleanup.c (rest_of_handle_jump): Ditto.
11045 (rest_of_handle_jump2): Ditto.
11046 * tree-sra.c (tree_sra): Ditto.
11047 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
11048 (execute_mudflap_function_decls): Ditto.
11049 * tree-ssa-copy.c (do_copy_prop): Ditto.
11050 (do_store_copy_prop): Ditto.
11051 * ipa-prop.h (ipcp_driver): Ditto.
11052 * cfglayout.c (insn_locators_initialize): Ditto.
11053 * tree-ssa-forwprop.c
11054 (tree_ssa_forward_propagate_single_use_vars): Ditto.
11055 * cfglayout.h (insn_locators_initialize): Ditto.
11056 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
11057 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
11058 (execute_late_warn_uninitialized): Ditto.
11059 * rtl.h (cleanup_barriers): Ditto.
11060 (split_all_insns_noflow): Ditto.
11061 (purge_line_number_notes): Ditto.
11062 (unshare_all_rtl): Ditto.
11063 (remove_unnecessary_notes): Ditto.
11064 (recompute_reg_usage): Ditto.
11065 (variable_tracking_main): Ditto.
11066 * integrate.c (emit_initial_value_sets): Ditto.
11067 * integrate.h (emit_initial_value_sets): Ditto.
11068 * tree-optimize.c (execute_free_datastructures): Ditto
11069 (execute_free_cfg_annotations): Ditto.
11070 (execute_fixup_cfg): Ditto.
11071 (execute_cleanup_cfg_pre_ipa): Ditto.
11072 (execute_cleanup_cfg_post_optimizing): Ditto.
11073 (execute_init_datastructures): Ditto.
11074 * tree-object-size.c (compute_object_sizes): Ditto.
11075 * combine.c (rest_of_handle_combine): Ditto.
11076 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
11077 * bb-reorder.c (duplicate_computed_gotos): Ditto.
11078 (rest_of_handle_reorder_blocks): Ditto.
11079 (rest_of_handle_partition_blocks): Ditto.
11080 * var-tracking.c (variable_tracking_main): Ditto.
11081 * tree-profile.c (tree_profiling): Ditto.
11082 * tree-vect-generic.c (expand_vector_operations): Ditto.
11083 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
11084 * sched-rgn.c (rest_of_handle_sched): Ditto.
11085 (rest_of_handle_sched2): Ditto.
11086 * basic-block.h (free_bb_insn): Ditto.
11087 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
11088 * tree-cfg.c (execute_build_cfg): Ditto.
11089 (remove_useless_stmts): Ditto.
11090 (split_critical_edges): Ditto.
11091 (execute_warn_function_return): Ditto.
11092 (execute_warn_function_noreturn): Ditto.
11093 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11094 * cfgrtl.c (free_bb_for_insn): Ditto.
11095 * passes.c (execute_one_pass): Run additional
11096 todos returned by execute function.
11097 * tree-pass.h (struct tree_opt_pass): Make execute
11100 2006-03-02 Richard Guenther <rguenther@suse.de>
11102 * tree-ssa-alias.c (find_used_portions): Consider taking
11103 the address as making the variable not write-only.
11105 2006-03-02 Nick Clifton <nickc@redhat.com>
11107 * config.gcc (default_use_cxa_atexit): Extend the description of
11108 this configure variable. Set its default value to "yes" for
11109 Linux, NetBSD and ELF targets on the assumption that they will
11110 use C libraries with the __cxa_atexit function.
11112 2006-03-02 Ben Elliston <bje@au.ibm.com>
11114 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11115 parameter as unused to suppress a build warning.
11117 2006-03-02 Ben Elliston <bje@au.ibm.com>
11119 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11122 2006-03-01 Roger Sayle <roger@eyesopen.com>
11125 * gthr-posix.h (__gthrw2): Define to take three parameters, the
11126 declared name, the weak reference name, and the typeof name.
11127 (__gthrw): Avoid expanding the declared name suffix.
11128 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11130 2006-03-01 Jakub Jelinek <jakub@redhat.com>
11132 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11134 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11135 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11136 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11137 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11138 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11139 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11140 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11141 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11142 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11143 DW_DS_leading_separate, DW_DS_trailing_separate): New.
11144 (DW_END_default, DW_END_big, DW_END_little): New.
11145 (DW_END_lo_user, DW_END_hi_user): Define.
11146 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11147 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11148 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11151 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11153 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11155 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11157 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11159 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11161 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11162 to 'symbol_mem_tag'.
11164 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11167 2006-03-01 Roger Sayle <roger@eyesopen.com>
11169 * builtins.c (fold_builtin_copysign): Delete unreachable code.
11171 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11174 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11175 MACHO_DYNAMIC_NO_PIC_P.
11176 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11178 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11181 * config/darwin-protos.h (darwin_asm_output_anchor):
11183 * config/darwin-sections.def (cstring_section):
11184 Add SECTION_MERGE to the flags.
11185 (literal4_section): Likewise.
11186 (literal8_section): Likewise.
11187 (objc_selector_refs_section): Likewise.
11188 (objc_cls_refs_section): Likewise.
11189 * config/darwin.c (darwin_asm_output_anchor): New
11191 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11193 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
11195 Fix PR tree-optimization/26443
11196 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11197 to todo and PROP_tmt_usage to properties_destroyed.
11198 * tree-ssa-ccp.c (pass_ccp): Ditto.
11199 (pass_store_ccp): Ditto.
11200 * tree-ssa-dom.c (pass_dominator): Ditto.
11202 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11204 * tree-ssa-operands.c: Cleanup whitespace.
11205 (get_asm_expr_operands): Move before first invocation.
11206 (get_indirect_ref_operands): Likewise.
11207 (get_tmr_operands): Likewise.
11208 (get_call_expr_operands): Likewise.
11209 (append_def): Likewise.
11210 (append_use): Likewise.
11211 (append_v_may_def): Likewise.
11212 (append_v_must_def): Likewise.
11213 (add_call_clobber_ops): Likewise.
11214 (add_call_read_ops): Likewise.
11215 (add_stmt_operand): Likewise.
11216 (add_virtual_operand): Likewise.
11217 (build_ssa_operands): Likewise.
11219 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11221 PR middle-end/26022
11223 PR middle-end/24437
11224 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11225 with a call expr to ...
11226 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11228 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11230 * tree-vrp.c (extract_range_from_assert): Remove special
11231 handling for types with super-types.
11233 2006-03-01 Ben Elliston <bje@au.ibm.com>
11235 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11236 and powerpc64-*-linux* configurations.
11237 * config/t-dfprules: New file.
11239 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11240 Compile dfp-bit.c from the source directory using -DWIDTH and
11241 $DFP_CFLAGS to control the compilation of that file, rather than
11242 generating width-specific versions in the build directory.
11243 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11244 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11246 2006-02-28 Zack Weinberg <zackw@panix.com>
11248 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11251 2006-02-28 Eric Christopher <echristo@apple.com>
11253 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11254 Set up IN_LIBGCC definition of TARGET_64BIT.
11255 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11257 2006-02-28 Roger Sayle <roger@eyesopen.com>
11259 PR middle-end/14752
11260 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11261 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11262 cases via the construction of "expr != 0".
11264 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11266 * alias.c (alias_invariant, alias_invariant_size): Remove.
11267 (record_base_value): Remove.
11268 (memrefs_conflict_p): Don't look at alias_invariant.
11269 (end_alias_analysis): Don't free it.
11270 * alias.h (record_base_value): Remove prototype.
11272 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
11273 Adam Nemet <anemet@caviumnetworks.com>
11275 * rtl.h (truncated_to_mode): Declare it.
11276 (struct rtl_hooks): Add reg_truncated_to_mode hook.
11277 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11278 (RTL_HOOKS_INITIALIZER): Include it.
11279 * rtlhooks.c (reg_truncated_to_mode_general): New function.
11280 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11281 reg_truncated_to_mode.
11282 * rtlanal.c (truncated_to_mode): Define it.
11283 * simplify-rtx.c (simplify_unary_operation_1): Use it.
11285 2006-02-28 Jeff Law <law@redhat.com>
11287 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11288 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11289 the range allowed by TYPE_PRECISION.
11291 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11293 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11295 PR tree-optimization/26419
11296 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11299 2006-02-27 Zack Weinberg <zackw@panix.com>
11301 * doc/md.texi: Fix typo in previous change.
11303 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
11307 2006-02-27 Zack Weinberg <zackw@panix.com>
11309 * rtl.def (define_constraint, define_register_constraint)
11310 (define_memory_constraint, define_address_constraint): New MD forms.
11311 * gensupport.c (process_rtx): Put define_constraint etc on the
11313 * genpreds.c (process_define_predicate): Adjust comment. Validate
11314 the name, and call validate_exp to validate the expression.
11315 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11316 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11317 all callers changed.
11318 (validate_exp, needs_variable, struct constraint_data)
11319 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11320 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11321 (const_dbl_constraints, constraint_max_namelen)
11322 (have_register_constraints, have_memory_constraints)
11323 (have_address_constraints, have_address_constraints)
11324 (have_extra_constraints, have_const_int_constraints)
11325 (have_const_dbl_constraints, mangle, add_constraint)
11326 (process_define_constraint, process_define_register_constraint)
11327 (write_enum_constraint_num, write_lookup_constraint)
11328 (write_insn_constraint_len, write_regclass_for_constraint)
11329 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11330 (write_insn_extra_memory_constraint)
11331 (write_insn_extra_address_constraint)
11332 (write_satisfies_constraint_fns): New.
11333 (write_tm_preds_h): If we have new-style constraint definitions,
11334 prototype the functions generated from them, and define the
11335 old constraint interface (still used by generic code) in terms of
11337 (write_insn_preds_c): If we have new-style constraint definitions,
11338 generate all relevant functions from those definitions.
11339 (main): Handle define_constraint etc.
11340 * genoutput.c (struct constraint_data, indep_constraints)
11341 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11342 (mdep_constraint_len): New data structures and functions, defined
11343 #ifdef USE_MD_CONSTRAINTS.
11344 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11345 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11346 use new logic to validate operand constraints against constraint
11348 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11350 * defaults.h: If none of the old-style constraint macros are
11351 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11352 old-style macros; and poison REG_CLASS_FROM_LETTER,
11353 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11355 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11356 * doc/md.texi: Document new constraint-definition mechanism and the
11357 C interface it provides. Remove references to old mechanism
11358 elsewhere in the document.
11359 (Machine Constraints): Use pathnames relative to gcc directory,
11360 i.e. config/ARCH/FILE. Change i386 section to refer to
11361 config/i386/predicates.md; update that section to match docstrings.
11362 * doc/tm.texi: Move all documentation of the old constraint-
11363 definition macros to their own section, clearly mark as obsolete.
11365 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11366 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11368 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11369 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11370 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11371 constraint strings.
11372 (splits and peepholes): Use satisfies_constraint_*.
11373 * config/i386/i386.c (memory_address_length)
11374 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11376 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11378 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11379 scalar operation to be put back into the loop.
11381 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11384 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11385 (extract_cie_info): Handle S flag in augmentation string.
11386 (execute_cfa_program): If context->signal_frame, execute also
11387 fs->pc == context->ra instructions.
11388 (uw_frame_state_for): If context->signal_frame, don't subtract one
11389 from context->ra to find FDE.
11390 (uw_update_context_1): Set context->signal_frame to
11392 (_Unwind_GetIPInfo): New function.
11393 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11394 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11396 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11397 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11398 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11399 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11400 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11401 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11402 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11403 x86_64_fallback_frame_state): Set fs->signal_frame.
11404 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11405 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11406 (frob_update_context): Likewise. Workaround missing S flag in
11407 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11408 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11409 Remove the psw_addr + 1 hack.
11411 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11413 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11414 with aggregates here.
11415 (find_func_aliases): Remove code for &<aggregate> from here.
11417 2006-02-26 Roger Sayle <roger@eyesopen.com>
11419 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11420 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11421 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11422 as (X & C) ne/eq 0.
11424 2006-02-26 Roger Sayle <roger@eyesopen.com>
11426 PR middle-end/19983
11427 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11429 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11431 * opts.c (decode_options): Do not handle flag_strength_reduce.
11432 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11433 and OPT_fstrength_reduce.
11434 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11435 flag_prefetch_loop_arrays for being nonzero.
11436 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11438 (fprefetch-loop-arrays-rtl): Removed.
11439 (flag_prefetch_loop_arrays): Do not specify the value.
11441 * doc/passes.texi: Update documentation of loop optimizer
11443 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11444 -frerun-loop-opt): Remove.
11446 2006-02-26 Richard Guenther <rguenther@suse.de>
11448 PR tree-optimization/26421
11449 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11450 in function calls that are ADDR_EXPRs as using the whole structure.
11452 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11454 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11455 * tree-pass.h (pass_loop_optimize): Remove.
11456 * passes.c (pass_loop_optimize): Never run it.
11457 * toplev.c (backend_init): Don't call init_loop.
11458 * opts.c (flag_loop_optimize_set): Remove.
11459 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11460 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11461 the old RTL loop optimizer when profiling enabled.
11462 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11463 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11464 pre-headers for the sake of the old RTL loop optimizer.
11465 * Makefile.in: Remove all references to loop.o.
11467 * doc/invoke.texi: Remove all references to -floop-optimize
11468 and -frerun-loop-opt.
11470 2006-02-26 Zack Weinberg <zackw@panix.com>
11472 * doc/md.texi (Machine Constraints): Refer to all files with paths
11473 relative to gcc directory (i.e. config/CPU/file). Add missing
11474 @table @code ... @end table to M32C subsection.
11476 2006-02-26 Roger Sayle <roger@eyesopen.com>
11478 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11480 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11482 2006-02-26 Roger Sayle <roger@eyesopen.com>
11483 James A. Morrison <phython@gcc.gnu.org>
11485 PR middle-end/21137
11486 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11487 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11488 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11489 signedness of the shift operation.
11491 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11493 PR tree-optimization/26359
11494 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11496 2006-02-25 Roger Sayle <roger@eyesopen.com>
11498 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11499 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11500 as X == 0, and some symmetry related transformations.
11501 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11503 2006-02-25 Roger Sayle <roger@eyesopen.com>
11505 PR middle-end/23673
11506 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11507 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11508 symmetry related transformations. Fold (X^C1) == C2 as
11511 2006-02-25 Juergen Weigert <jw@suse.de>
11512 Richard Guenther <rguenther@suse.de>
11514 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11516 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11518 * combine.c (gen_lowpart_or_truncate): Call
11519 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11521 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11523 * doc/invoke.texi: Move -fopenmp description to "Options for
11525 Remove reference to -lgomp.
11527 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11529 * doc/install.texi: Require GNU tar version 1.14.
11531 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11533 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11534 * doc/invoke.texi (C++ Dialect Options): Document
11535 -fno-use-cxa-get-exception-ptr.
11536 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11537 * configure: Regenerate.
11538 * c.opt (fuse-cxa-get-exception-ptr): New.
11539 * c-opts.c (c_common_handle_option): Handle
11540 OPT_fuse_cxa_get_exception_ptr.
11541 * c-common.c (flag_use_cxa_atexit): Update documentation.
11542 (flag_use_cxa_get_exception_ptr): New.
11543 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11544 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11546 (C_COMMON_OVERRIDE_OPTIONS): New.
11548 2006-02-24 Roger Sayle <roger@eyesopen.com>
11550 PR middle-end/24952
11551 * combine.c (try_combine): Explicitly check whether GET_CODE is
11552 a SET or a CLOBBER, instead on checking that it isn't a USE.
11554 2006-02-24 Roger Sayle <roger@eyesopen.com>
11556 * fold-const.c (fold_comparison): New subroutine of fold_binary
11557 containing transformations common to both the equality and
11558 ordering relational operators, factored out of fold_binary.
11559 (fold_binary): Separate out the equality operators (EQ_EXPR
11560 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11561 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11562 transformations common to both.
11563 (fold_div_compare): Fix latent bugs in the previously unreachable
11564 LT_EXPR and GE_EXPR cases.
11566 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11568 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11569 decl libname for clog to __clog on AIX.
11571 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11573 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11576 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11577 output traceback table for thunks. Localise rs6000_stack_info call.
11579 2006-02-23 Roger Sayle <roger@eyesopen.com>
11580 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11582 * gthr-posix.h (__gthrw): Fix typo in comment.
11584 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11586 * doc/cpp.texi (Character sets): Document that we do support
11587 input files to be in any character set.
11589 2006-02-23 Jeff Law <law@redhat.com>
11591 * tree.h (PHI_ARG_NONZERO): Remove.
11592 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11593 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11594 node to the new node.
11596 PR tree-optimization/26425
11597 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11598 min/max, then assume its varying.
11600 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11602 PR rtl-optimization/26316
11603 * rtlanal.c (enum may_trap_p_flags): New.
11604 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11605 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11606 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11607 (may_trap_after_code_motion_p): New function.
11608 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11609 (find_invariant_insn): Use may_trap_after_code_motion_p.
11610 * rtl.h (may_trap_after_code_motion_p): Declare.
11612 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11614 * emit-rtl.c (immed_double_const): Cleanup.
11616 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11618 Fix PR tree-optimization/26376
11619 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11622 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11624 PR middle-end/26412
11625 * gimplify.c (omp_add_variable): Guard variable size decl test with
11626 DECL_SIZE (decl) check.
11628 2006-02-23 Richard Guenther <rguenther@suse.de>
11630 PR middle-end/26439
11631 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11632 like aggregate types.
11634 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11636 * configure.ac: Add --with{,out}-long-double-128 configure option.
11637 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11638 * configure: Rebuilt.
11639 * config.in: Rebuilt.
11640 * doc/install.texi (Options specification): Document
11641 --with-long-double-128.
11643 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11644 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11645 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11646 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11648 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11650 * config/s390/s390.c (override_options): Handle
11651 TARGET_DEFAULT_LONG_DOUBLE_128.
11653 * config/alpha/alpha.c (override_options): Handle
11654 TARGET_DEFAULT_LONG_DOUBLE_128.
11656 * config/sparc/sparc.c (sparc_override_options): Handle
11657 TARGET_DEFAULT_LONG_DOUBLE_128.
11659 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11661 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11662 (real-install-headers-tar, real-install-headers-cpio)
11663 (real-install-headers-cp): New targets.
11665 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11667 * tree.h (variable_section): Delete.
11668 * varasm.c (variable_section): Delete.
11670 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11672 * install.texi: Add notes on install.texi2html.
11673 (Building in parallel): Do not use footnotes.
11675 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11678 * doc/install.texi (Configuration): Document --disable-libgomp.
11680 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11682 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11684 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11686 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11687 (vec_extractv2df_0_sse): New.
11689 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11691 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11692 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11693 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11694 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11695 to the result of the expression.
11696 (def_cfa_1): Adjust.
11697 (frame_pointer_cfa_offset): Rename to...
11698 (frame_pointer_fb_offset): ... this. Adjust all uses.
11699 (convert_cfa_to_loc_list): Rename to...
11700 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11701 Pass it on to build_cfa_loc.
11702 (compute_frame_pointer_to_cfa_displacement): Rename to...
11703 (compute_frame_pointer_to_fb_displacement): ... this. New
11704 offset parameter. Use it in computation.
11705 (gen_subprogram_die): Compute cfa_fb_offset with the new
11706 macro, and use it to compute the fb loc list and the
11709 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11711 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11712 replaced with register_operand.
11713 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11714 non-DREG is expensive.
11715 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11716 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11719 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11721 * doc/install.texi2html: Use set -e.
11723 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11725 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11726 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11727 * doc/invoke.texi (-fshared-data): Delete.
11728 * common.opt (fshared-data): Delete.
11729 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11730 (assemble_static_space): Remove #if 0 code.
11731 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11732 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11733 * config/cris/cris.h: Remove FIXME.
11735 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11737 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11740 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11742 PR middle-end/26379
11743 * combine.c (simplify_shift_const_1): Disable nested shifts
11744 optimization for vector shifts.
11746 2006-02-20 Roger Sayle <roger@eyesopen.com>
11748 PR tree-optimization/26361
11749 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11750 of unsigned integer types.
11752 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11754 * tree-chrec.c (eq_evolutions_p): New.
11755 * tree-chrec.h (eq_evolutions_p): Declared.
11756 * tree-data-ref.c: Fix formatting.
11757 (datadep_stats, dependence_stats): New.
11759 (print_direction_vector): New.
11760 (dump_data_dependence_relation): Use print_direction_vector.
11761 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11762 (compute_subscript_distance): Static.
11763 (initialize_data_dependence_relation): Static. Get the number
11764 of loops surrounding the references from the callers, and initialize
11765 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11766 base_object_differ_p analyzers.
11767 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11768 compute_overlap_steps_for_affine_1_2,
11769 analyze_subscript_affine_affine): Count the classified dependences.
11770 Print a message when a test failed.
11771 (can_use_analyze_subscript_affine_affine): New.
11772 (analyze_siv_subscript): Compute the data dependences on symbolic
11773 scevs that verify can_use_analyze_subscript_affine_affine.
11774 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11775 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11776 Handle symbolic scevs.
11777 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11779 (subscript_dependence_tester): Moved...
11780 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11781 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11782 DDR_SIZE_VECT instead of getting it in parameter.
11783 (subscript_dependence_tester): ... here. Take as a parameter
11784 loop_nest_depth. Call build_classic_dist_vector and
11785 build_classic_dir_vector.
11786 (compute_affine_dependence): Update subscript_dependence_tester
11787 parameters. Update datadep_stats counters. Call
11788 compute_subscript_distance.
11789 (compute_self_dependence): Save the dist and dir vectors. Call
11790 compute_subscript_distance.
11791 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11792 (compute_all_dependences): Reorder parameters as they were before
11793 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11794 compute_subscript_distance. Update the use of
11795 compute_affine_dependence and initialize_data_dependence_relation.
11796 (find_data_references_in_loop): Handle COMPONENT_REF.
11797 (compute_data_dependences_for_loop): Initialize dependence_stats.
11798 Don't call build_classic_dist_vector and build_classic_dir_vector.
11799 Update the parameters of initialize_data_dependence_relation and
11800 compute_all_dependences. Print the statistics from datadep_stats.
11801 (analyze_all_data_dependences): Static. Not used until the pass for
11802 checking the data dependences is contributed.
11803 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11804 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11805 (initialize_data_dependence_relation, compute_affine_dependence,
11806 analyze_all_data_dependences, compute_subscript_distance): Removed.
11807 (print_direction_vector): New.
11808 * lambda.h (gcd): ... here.
11809 (lambda_vector_gcd): Moved here from gcd_vector.
11810 * lambda-code.c (gcd, gcd_vector): Removed.
11811 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11812 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11814 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11816 * ipa-type-escape.c: Tidy some comments and white space.
11817 * tree-ssa-operands.c: Likewise.
11819 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11822 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11823 (dump_decl_name): Do not walk the decl tree chains.
11824 * tree-pass.h (TDF_CHAIN): Remove.
11826 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11828 * Makefile.in (C): Remove
11830 (.PHONY): Remove C and PROTO
11832 2006-02-20 Roger Sayle <roger@eyesopen.com>
11834 PR middle-end/26236
11835 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11836 deprecated CHAR_TYPE tree code.
11838 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11840 * configure.ac (target_list): Add install-info, dvi, html.
11841 * configure: Regenerate.
11843 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11844 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11845 treelang/Make-lang.in: Do not use double-colon rules.
11847 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11849 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11850 (TMT_USED_ALONE): New macro.
11851 * tree-pass.h (PROP_tmt_usage): New property.
11852 (TODO_update_tmt_usage): New todo.
11853 * tree-ssa-alias.c (updating_used_alone): New variable.
11854 (recalculate_used_alone): New function.
11855 (compute_may_aliases): Set updating_used_alone, call
11856 recalculate_used_alone.
11857 * tree-sra.c (pass_sra): Note that this pass destroys
11858 PROP_tmt_usage, and add TODO_update_tmt_usage.
11859 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11860 * tree-flow.h (updating_used_alone): Prototype.
11861 (recalculate_used_alone): Ditto.
11862 * passes.c (execute_todo): Add code to set updating_used_alone,
11863 and call recalculate.
11864 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11865 for clobber if used alone, and add assert to verify used_alone
11868 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11870 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11871 for non tls symbols added.
11872 (legitimize_address): Do nothing for PLUS expressions if one of the
11873 addends is a tls symbol reference.
11875 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11879 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11881 * Makefile.in (BOOTSTRAPPING): New.
11882 (quickstrap): New definition if BOOTSTRAPPING=yes.
11884 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11885 * configure.ac: Substitute all_selected_languages with the languages
11886 that were configured. For all the other variables except
11887 lang_specs_files, include all the languages in the tree.
11888 * configure: Regenerate.
11890 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11891 if there is one. Run the commands to run fixincludes in the same
11894 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11895 * doc/install.texi: Document exact conventions for searching target tools.
11896 Document --with-build-time-tools. Document toplevel bootstrap. Document
11897 something more about building an Ada cross-compiler. Don't list GNU Make
11898 requirements which affect all platforms.
11900 2006-02-19 Roger Sayle <roger@eyesopen.com>
11902 PR middle-end/19543
11903 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
11904 only equivalent if the have both the same mode and precision.
11906 2006-02-20 Ben Elliston <bje@au.ibm.com>
11908 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
11910 2006-02-19 Roger Sayle <roger@eyesopen.com>
11911 Steven Bosscher <stevenb.gcc@gmail.com>
11913 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
11914 constant pool references to identify stack mode constants.
11915 * rtlanal.c (constant_pool_constant_p): New predicate to check
11916 whether operand is a floating point constant in the pool.
11917 * rtl.h (constant_pool_constant_p): Prototype here.
11918 * loop.c (scan_loop): Avoid hoisting constants from the constant
11919 pool on STACK_REGS targets.
11920 (load_mems): Likewise.
11921 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11922 loads into x87 registers expensive in terms of register pressure.
11924 2006-02-19 Roger Sayle <roger@eyesopen.com>
11926 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11927 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11929 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11931 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11932 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11934 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11936 * doc/invoke.texi: Document -fipa-pta.
11937 * common.opt: Add ipa-pta option.
11938 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11939 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11940 (do_ds_constraint): Ditto.
11941 (get_constraint_for): Only add to referenced_vars if
11942 referenced_vars exists.
11943 (insert_into_field_list): Rewrite to do this unsorted.
11944 (insert_into_field_list_sorted): Rename old insert_into_field_list
11946 (create_function_info_for): Use insert_into_field_list_sorted.
11947 (create_variable_info_for): Rewrite so it uses unsorted version,
11948 since the field list is sorted.
11949 (intra_create_variable_infos): Only add to referenced_vars if
11950 referenced_vars exists.
11951 (ipa_pta_execute): Init heapvars, and delete when done.
11952 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11954 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11956 * doc/install.texi: Add missing `@samp'.
11958 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11960 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11963 2006-02-18 Mark Wielaard <mark@klomp.org>
11965 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11966 who added new 4.1 features, bug fixes and integration support.
11968 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11971 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11972 MEM for ABI_V4 pic.
11974 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11976 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11977 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11978 (copy_insn_1): Likewise. Don't copy each field individually.
11980 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
11982 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
11983 * rtl.c (rtx_size): Rename variable to...
11984 (rtx_code_size): ...this.
11985 (rtx_size): New function.
11986 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
11987 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
11989 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
11990 * rtl.h (rtx_code_size): New variable.
11991 (rtx_size): Change from a variable to a function.
11992 (RTX_SIZE): Rename to...
11993 (RTX_CODE_SIZE): ...this.
11996 PR tree-optimization/17106
11997 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
11998 (Anchored Addresses): New section.
11999 * doc/invoke.texi (-fsection-anchors): Document.
12000 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
12001 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
12002 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
12003 * hooks.c (hook_bool_mode_rtx_false): New function.
12004 * hooks.h (hook_bool_mode_rtx_false): Declare.
12005 * gengtype.c (create_optional_field): New function.
12006 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
12007 SYMBOL_REF_IN_BLOCK_P is true.
12008 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
12009 (min_anchor_offset, max_anchor_offset): Likewise.
12010 (use_anchors_for_symbol_p): New hook.
12011 * toplev.c (compile_file): Call output_object_blocks.
12012 (target_supports_section_anchors_p): New function.
12013 (process_options): Check that -fsection-anchors is only used on
12014 targets that support it and when -funit-at-a-time is in effect.
12015 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
12016 if the decl doesn't have one.
12017 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
12018 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
12019 of force_const_mem through use_anchored_address.
12020 (expand_expr_constant): New function.
12021 (expand_expr_addr_expr_1): Call it. Use the same modifier when
12022 calling expand_expr for INDIRECT_REF.
12023 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12024 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
12025 * expr.h (use_anchored_address): Declare.
12026 * loop-unroll.c: Don't declare rtx vectors here.
12027 * explow.c: Include output.h.
12028 (validize_mem): Call use_anchored_address.
12029 (use_anchored_address): New function.
12030 * common.opt (-fsection-anchors): New switch.
12031 * varasm.c (object_block_htab, anchor_labelno): New variables.
12032 (hash_section, object_block_entry_eq, object_block_entry_hash)
12033 (use_object_blocks_p, get_block_for_section, create_block_symbol)
12034 (use_blocks_for_decl_p, change_symbol_section): New functions.
12035 (get_variable_section): New function, split out from assemble_variable.
12036 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
12037 use_blocks_for_decl_p say so. Use change_symbol_section if the
12038 symbol has already been created.
12039 (assemble_variable_contents): New function, split out from...
12040 (assemble_variable): ...here. Don't output any code for
12041 block symbols; just pass them to place_block_symbol.
12042 Use get_variable_section and assemble_variable_contents.
12043 (get_constant_alignment, get_constant_section, get_constant_size): New
12044 functions, split from output_constant_def_contents.
12045 (build_constant_desc): Create a block symbol if use_object_blocks_p
12046 says so. Or into SYMBOL_REF_FLAGS.
12047 (assemble_constant_contents): New function, split from...
12048 (output_constant_def_contents): ...here. Don't output any code
12049 for block symbols; just pass them to place_section_symbol.
12050 Use get_constant_section and get_constant_alignment.
12051 (force_const_mem): Create a block symbol if use_object_blocks_p and
12052 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
12053 (output_constant_pool_1): Add an explicit alignment argument.
12054 Don't switch sections here.
12055 (output_constant_pool): Adjust call to output_constant_pool_1.
12056 Switch sections here instead. Don't output anything for block symbols;
12057 just pass them to place_block_symbol.
12058 (init_varasm_once): Initialize object_block_htab.
12059 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
12060 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
12061 (place_block_symbol, get_section_anchor, output_object_block)
12062 (output_object_block_htab, output_object_blocks): New functions.
12063 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
12064 (TARGET_ASM_OUT): Include it.
12065 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
12066 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
12067 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
12068 (TARGET_INITIALIZER): Include them.
12069 * rtl.c (rtl_check_failed_block_symbol): New function.
12070 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
12071 (block_symbol, object_block): New structures.
12072 (rtx_def): Add a block_symbol field to the union.
12073 (BLOCK_SYMBOL_CHECK): New macro.
12074 (rtl_check_failed_block_symbol): Declare.
12075 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
12076 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
12077 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
12078 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
12079 * output.h (output_section_symbols): Declare.
12080 (object_block): Name structure.
12081 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
12082 (default_use_anchors_for_symbol_p): Declare.
12083 * Makefile.in (RTL_BASE_H): Add vec.h.
12084 (explow.o): Depend on output.h.
12085 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
12086 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12087 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12088 (rs6000_use_blocks_for_constant_p): New function.
12090 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12092 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12094 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12097 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12100 2006-02-18 Diego Novillo <dnovillo@redhat.com>
12102 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12106 2006-02-18 Jakub Jelinek <jakub@redhat.com>
12108 PR middle-end/26334
12109 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12110 instead of DECL_REGISTER.
12112 2006-02-18 Olivier Hainque <hainque@adacore.com>
12115 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12117 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
12120 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12121 * opth-gen.awk: Handle Var and InverseMask together.
12122 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12123 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12124 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12125 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12127 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12128 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12129 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12130 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12131 LINUX_DYNAMIC_LINKER): Define.
12132 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12133 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12135 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12136 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12137 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12138 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12139 (TARGET_C99_FUNCTIONS): Don't define.
12140 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12141 GLIBC_DYNAMIC_LINKER.
12142 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12143 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12144 GLIBC_DYNAMIC_LINKER64): Define.
12145 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12146 LINUX_DYNAMIC_LINKER64.
12147 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12148 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12149 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12150 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12151 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12152 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12153 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12154 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12155 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12156 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12157 and LINUX_DYNAMIC_LINKER32.
12158 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12159 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12160 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12161 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12162 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12164 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12165 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12166 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12167 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12168 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12169 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12170 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12171 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12172 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12173 LINUX_DYNAMIC_LINKER): Define.
12174 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12175 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12176 GLIBC_DYNAMIC_LINKER64): Define.
12177 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12178 LINUX_DYNAMIC_LINKER64.
12179 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12180 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12181 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12182 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12183 LINUX_DYNAMIC_LINKER): Define.
12184 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12185 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12186 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12187 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12188 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12189 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12190 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12191 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12192 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12193 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12194 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12195 * doc/invoke.texi (-muclibc): Remove caveat about supported
12198 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12200 * doc/cpp.texi (__TIMESTAMP__): Document.
12202 2006-02-17 Roger Sayle <roger@eyesopen.com>
12204 PR middle-end/25600
12205 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12206 C is one less than the width of X (and related transformations).
12207 * simplify-rtx.c (simplify_unary_operation_1): Transform
12208 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12209 depending on STORE_FLAG_VALUE, were C is one less then the
12212 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12214 Fix PR tree-optimization/26341
12215 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12216 about NAME_MEMORY_TAG's.
12218 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12221 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12222 with hardware float support, and software float support. Add fcpy
12223 alternative to hardware patterns. Add alternatives to copy between
12224 general and floating-point registers to the 32-bit pattern.
12225 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12226 secondary reload to load a QI or HI mode constant into a floating
12228 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12229 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12231 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12234 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12236 (load_macho_picbase_di): Likewise.
12238 2006-02-16 Jeff Law <law@redhat.com>
12240 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12241 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12242 (ssa_name_nonzero_p): Likewise.
12243 (get_value_range): Return NULL if VRP is not running.
12244 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12245 VRP routines do not discover a range.
12246 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12247 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12248 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12249 (tree_expr_nonnegative_p): Similarly.
12250 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12251 (restore_nonzero_vars_to_original_value): Remove.
12252 (unsafe_associative_fp_binop): Remove.
12253 (tree_ssa_dominator_optimize): Remove initialization and
12254 finalization of nonzero_vars and nonzero_vars_stack.
12255 (dom_opt_initialize_block): No longer push marker on
12256 nonzero_vars_stack.
12257 (dom_opt_finalize_block): No longer call
12258 restore_nonzero_vars_to_original_value.
12259 (record_equivalences_from_phis): No longer look for
12260 nonzero PHI arguments.
12261 (cprop_into_successor_phis): No longer propagate nonzero
12262 property into PHI arguments. Lose unused argument. Caller
12264 (record_equivalences_from_stmt): No longer record nonzero
12265 values for SSA_NAMEs.
12266 (lookup_avail_expr): No longer use nonzero_vars.
12268 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12269 for sizetype when sizetype is unsigned.
12271 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
12273 PR rtl-optimization/25603
12274 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12275 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12276 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12277 with new meaning of SETS.
12279 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
12284 * config/linux.opt: New file.
12285 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12286 LINUX_DYNAMIC_LINKER): Define.
12287 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12288 * config.gcc (*-*-linux*): Define extra_options.
12289 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12290 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12291 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12292 GLIBC_DYNAMIC_LINKER.
12293 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12294 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12295 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12296 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12297 * doc/invoke.texi (GNU/Linux Options): New section.
12299 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
12301 * config/sparc/sparc.md (setjmp): Rewrite.
12302 (setjmp_32): Delete.
12303 (setjmp_64): Likewise.
12305 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
12307 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12310 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12312 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12315 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12317 PR rtl-optimization/26296
12318 * Makefile.in (loop-invariant.c): Add except.h dependency.
12319 * loop-invariant.c: Include except.h.
12320 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12322 2005-02-16 Paul Brook <paul@codesourcery.com>
12324 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12327 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12329 PR rtl-optimization/25636
12330 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12331 when deciding whether an insn is an initializing insn.
12333 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12335 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12336 (tree_code_size): Ditto.
12337 * tree.h (struct tree_memory_tag): Remove parent_var.
12338 (struct tree_struct_field_tag): New.
12341 (union tree_node): Add sft member.
12342 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12344 (create_sft): Add size and offset argument, set SFT_OFFSET and
12346 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12347 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12348 * tree-flow-inline.h (get_subvar_at): Update for
12349 SFT_OFFSET/SFT_SIZE.
12350 (var_can_have_subvars): Ditto.
12351 (overlap_subvar): Ditto.
12352 * print-tree.c (print_node): Print out interesting things for
12354 * tree-flow.h (struct subvar): Remove offset and size members.
12355 * tree-ssa-operands.c (get_expr_operands): Update for
12356 get_indirect_ref_operands changes.
12357 (get_indirect_ref_operands): Call add_virtual_operand instead of
12358 add_stmt_operand. Only recurse on base var if requested.
12359 (access_can_touch_variable): New function.
12360 (add_stmt_operand): Split virtual operand handling into ...
12361 (add_virtual_operand): Here. Add offset, size, and for_clobber
12362 arguments. Prune alias sets.
12363 (add_call_clobber_ops): Call add_virtual_operand.
12365 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12367 PR middle-end/26300
12368 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12370 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12371 than TREE_CODE as index into omp_clause_num_ops array.
12373 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12375 PR rtl-optimization/26184
12376 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12378 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12379 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12380 must_precede, must_follow and tobe_scheduled.
12383 * opts.c (common_handle_option): Free new_option pointer.
12384 * df-core.c (df_analyze): Free postorder pointer.
12386 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12388 * Makefile.in: Fix the examples about the use of stamps
12390 2006-02-15 Michael Matz <matz@suse.de>
12392 PR middle-end/22275
12394 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12395 influenced by maximum_field_alignment or DECL_PACKED.
12396 (update_alignment_for_field): Ditto.
12397 (place_field): Ditto.
12398 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12401 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12403 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12404 (debug_flow_info): Pass it.
12405 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12406 * bb-reorder.c (reorder_basic_blocks): Likewise.
12407 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12408 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12409 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12410 * gcse.c (gcse_main, bypass_jumps): Likewise.
12411 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12412 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12413 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12414 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12415 * rtl.h (dump_flow_info): Adjust prototype.
12416 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12417 * var-tracking.c (variable_tracking_main): Likewise.
12418 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12419 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12422 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12424 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12427 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12429 PR tree-optimization/26209
12430 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12431 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12433 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12435 2006-02-14 Roger Sayle <roger@eyesopen.com>
12437 PR middle-end/23670
12438 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12439 (X,Y) and the corresponding symmetry related transformations.
12440 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12441 (X,Y) and its symmetry related transformations.
12443 2006-02-14 Roger Sayle <roger@eyesopen.com>
12445 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12448 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12450 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12452 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12455 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12456 support COMDAT group.
12457 * configure: Regenerate.
12459 2006-02-14 Roger Sayle <roger@eyesopen.com>
12461 PR middle-end/26279
12462 PR middle-end/26280
12463 PR middle-end/26283
12464 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12466 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12468 Fix PR tree-optimization/26260
12470 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12472 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12473 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12474 * tree-ssa-structalias.c (create_variable_info_for): Use
12475 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12477 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12479 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12481 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12482 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12483 of the ending condition.
12484 * tree-ssa-loop-manip.c: Include params.h.
12485 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12486 tree_unroll_loop): New functions.
12487 * tree-pass.h (pass_loop_prefetch): Declare.
12488 * loop.c (rest_of_handle_loop_optimize): Test for
12489 -fprefetch-loop-arrays-rtl.
12490 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12491 * timevar.def (TV_TREE_PREFETCH): New timevar.
12492 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12493 pass_loop_prefetch): New.
12494 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12495 (cleanup_tree_cfg_loop): Call scev_reset.
12496 * common.opt (fprefetch-loop-arrays-rtl): Add.
12497 * tree-ssa-loop-prefetch.c: New file.
12498 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12499 (new_temp_expr_table): Initialize expr_vars.
12500 (free_temp_expr_table): Cleanup expr_vars.
12501 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12502 expressions from being merged into one.
12503 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12504 (struct tree_niter_desc): Add control, bound and cmp fields.
12505 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12507 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12508 (tree-cfgcleanup.o): Add SCEV_H dependency.
12509 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12510 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12512 2006-02-14 Richard Guenther <rguenther@suse.de>
12514 PR tree-optimization/26258
12515 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12516 in PHI argument processing.
12518 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12520 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12521 new expression in the requested machine mode.
12523 2006-02-13 Roger Sayle <roger@eyesopen.com>
12525 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12526 directly, instead let do_compare_rtx_and_jump handle this for us.
12527 * expr.c (expand_expr_real_1): Likewise.
12528 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12529 before do_jump_by_parts_greater.
12530 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12531 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12533 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12535 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12537 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12539 PR rtl-optimization/26235
12540 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12541 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12544 2006-02-13 Jeff Law <law@redhat.com>
12546 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12549 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12551 PR middle-end/26092
12552 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12553 twice if decl is a builtin. When trying again, call get_callee_fndecl
12554 first to verify it is still a builtin.
12556 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12558 * dwarf2out.c (base_type_die): Don't add AT_name here.
12559 (subrange_type_die): Don't add AT_name here.
12560 (modified_type_die): Rearrange code flow. Do add AT_name here.
12562 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12564 PR rtl-optimization/26247
12565 PR rtl-optimization/26248
12566 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12568 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12570 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12571 * config/fixtfdi.c: Likewise.
12572 * config/fixunstfdi.c: Likewise.
12573 * config/floatditf.c: Likewise.
12575 2006-02-13 Roger Sayle <roger@eyesopen.com>
12577 PR middle-end/24427
12578 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12579 into (X,C2) if C1 is a subset of the bits of C2. Transform
12580 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12582 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12584 2006-02-13 Josh Conner <jconner@apple.com>
12587 * varasm.c (function_section): Check for section name before
12588 calling select_section on targets that define
12589 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12590 unlikely_text_section instead of hot_function_section if
12591 first_function_block_is_cold.
12593 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12595 PR middle-end/25335
12596 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12598 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12600 PR rtl-optimization/26222
12601 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12602 after tree->rtl expansion.
12603 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12604 before passing it to emit_move_insn.
12606 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12608 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12610 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12611 Clarify documentation.
12612 * c-common.h (warn_write_strings): Remove.
12613 * c-common.c (warn_write_strings): Likewise.
12614 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12617 2006-02-12 Roger Sayle <roger@eyesopen.com>
12619 PR middle-end/25724
12620 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12621 (do_jump_parts_zero_rtx): New function renamed from
12622 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12623 (do_jump_parts_equality_rtx): New function split out from
12624 do_jump_parts_equality. Old implementation renamed as above.
12625 Call do_jump_parts_zero_rtx if either operand is zero.
12626 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12627 do all of the heavy lifting.
12628 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12629 calling either do_jump_by_parts_greater_rtx or
12630 do_jump_by_parts_equality_rtx.
12631 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12632 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12633 moved to do_compare_rtx_and_jump, call it directly.
12634 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12635 mode argument. Call do_compare_rtx_and_jump.
12636 (emit_case_nodes): Update calls to do_jump_if_equal.
12638 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12640 PR rtl-optimization/26225
12641 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12643 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12645 PR rtl-optimization/26232
12646 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12648 2006-02-11 Jason Merrill <jason@redhat.com>
12651 * tree-inline.c (declare_return_variable): Just don't use the
12652 modify target if it's a gimple complex reg and the return slot
12655 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12657 * doc/contrib.texi: Update my entry.
12659 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12661 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12663 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12665 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12668 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12670 * doc/invoke.texi (-floop-optimize2): Removed.
12671 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12672 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12673 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12674 * common.opt (floop-optimize2): Removed.
12675 (fmove-loop-invariants): Enabled by default.
12677 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12679 * tree-if-conv.c (combine_blocks): Free the result of
12680 get_loop_exit_edges.
12682 2006-02-10 Jeff Law <law@redhat.com>
12684 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12686 PR tree-optimization/26213
12687 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12688 loop trying to follow SSA_NAME_VALUE chains.
12690 2006-02-10 Richard Guenther <rguenther@suse.de>
12692 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12693 deal with structures that end in implicitly variable sized arrays.
12695 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12697 PR rtl-optimization/24762
12698 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12701 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12703 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12704 (struct ivopts_data): Add regs_used field.
12705 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12706 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12707 instead of loop_data->regs_used;
12708 (free_loop_data): Do not free aux fields for loops.
12709 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12710 and tree_ssa_iv_optimize_finalize.
12712 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12714 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12716 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12719 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12720 computing the effective result type.
12722 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12724 PR inline-asm/16194
12725 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12726 (tree_overlaps_hard_reg_set): Declare.
12727 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12728 type and signature to match function type expected by walk_tree.
12729 (tree_overlaps_hard_reg_set): New function.
12730 (decl_conflicts_with_clobbers_p): Rename to:
12731 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12732 Use tree_overlaps_hard_reg_set. Changed caller.
12733 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12734 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12735 * cris.c (cris_md_asm_clobbers): Likewise.
12737 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12739 * reload1.c (emit_input_reload_insns): Delete code that tries to
12740 inherit using find_equiv_reg.
12742 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12744 * c-common.h (flag_const_strings): Don't declare.
12745 * c-common.c (flag_const_strings): Remove.
12746 * c.opt (fconst_strings): Remove.
12747 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12748 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12749 (c_common_init_options): Don't set flag_const_strings.
12750 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12752 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12754 * arm.md (tlobits_cbranch): New pattern.
12755 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12756 testing a single bit.
12758 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12761 * tree-ssa-pre.c (create_component_ref_by_pieces):
12762 Handle RETURN_DECL like VAR_DECL.
12764 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12766 PR middle-end/26134
12767 * fold-const.c (fold_indirect_ref_1): Fold
12768 "*(foo *)&complexfoo" to "__real__ complexfoo"
12769 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12771 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12773 * tree-flow-inline.h (var_can_have_subvars):
12774 Volatile variables should not have subvariables.
12776 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12779 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12780 multiplying unsigned values.
12783 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12785 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12787 2006-02-08 Jason Merrill <jason@redhat.com>
12790 * tree.def: Elaborate on difference from MODIFY_EXPR.
12791 * doc/c-tree.texi (INIT_EXPR): Likewise.
12792 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12793 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12794 (gimplify_target_expr): Likewise.
12795 (gimplify_cond_expr): Remove target handling.
12796 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12797 (gimplify_expr): Clobber it here.
12798 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12799 Do return slot optimization if we have an INIT_EXPR.
12802 * tree-inline.c (declare_return_variable): Also clear
12803 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12806 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12808 PR middle-end/22439
12809 * gimplify.c (gimplify_one_sizepos): Fix typo.
12811 2006-02-08 Jeff Law <law@redhat.com>
12813 PR tree-optimization/21417
12814 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12815 across a backedge if the control statement at the end of the
12816 block is data dependent on other statements in the same block.
12817 (record_temporary_equivalences_from_stmts): Remove over-conservative
12818 test for threading across backedges.
12820 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12821 control statement, handle all three special cases in the same
12822 manner as they all have the same desired solution. No longer
12823 special case edge flag updating when the post dominator is
12826 2006-02-08 Roger Sayle <roger@eyesopen.com>
12828 * tree.def (CHAR_TYPE): Remove.
12829 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12830 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12831 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12832 (gen_string_type_die): Delete unreachable function.
12834 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12835 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12836 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12837 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12838 * builtins.c (type_to_class): Likewise.
12839 * fold-const.c (fold_convert, build_range_check,
12840 merge_ranges): Likewise.
12841 * expr.c (count_type_elements): Likewise.
12842 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12843 * stor-layout.c (layout_type): Likewise.
12844 * ipa-type-escape.c (type_to_consider): Likewise.
12845 * gimplify.c (omp_firstprivatize_type_sizes,
12846 gimplify_type_sizes): Likewise.
12847 * explow.c (promote_mode): Likewise.
12848 * tree-sra.c (is_sra_scalar_type): Likewise.
12849 * varasm.c (output_constant): Likewise.
12850 * tree-inline.c (remap_type_1): Likewise.
12851 * convert.c (convert_to_pointer, convert_to_real,
12852 convert_to_integer, convert_to_complex): Likewise.
12854 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12856 * df-scan.c (df_def_record_1): A set destination may
12857 be a parallel regardless of mode.
12859 2006-02-08 Roger Sayle <roger@eyesopen.com>
12862 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12863 * config/mips/_tilib.c: Remove.
12864 * config/fixtfdi.c: New libgcc source file.
12865 * config/fixunstfdi.c: New source file.
12866 * config/floatditf.c: New source file.
12867 * config/floatunditf.c: New souce file.
12868 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12869 files above instead of config/mips/_tilib.c.
12870 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12872 2006-02-08 Jeff Law <law@redhat.com>
12874 PR tree-optimization/26169
12875 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12878 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12880 * df.h (DF_REG_SIZE): Return the length of the initialized
12883 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12885 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12886 __muldf3): Return a correctly signed zero.
12888 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12890 * passes.c (register_one_dump_file): Accept the current properties
12891 instead of pass number. Adjust call to dump_register. Remove
12893 (register_dump_files): Now a wrapper around...
12894 (register_dump_files_1): ... this one. Do not modify the pass
12896 (next_pass_1): Cosmetic fix.
12897 (execute_todo): Keep second parameter only. Use curr_properties
12898 instead of fetching it from the pass structure. Check and set
12900 (execute_one_pass): Handle TODO_set_props. Use curr_properties
12901 instead of fetching it from the pass structure. Fix calls to
12902 execute_todo. Update curr_properties and initialize .vcg RTL dump
12903 after running the pass. Reset last_verified.
12904 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
12906 (FIRST_AUTO_NUMBERED_DUMP): New.
12907 (dump_register): Remove "num" parameter, assign it within the
12909 (get_dump_file_name): Modify template for dumps.
12910 * tree-dump.h (dump_register): Adjust prototype.
12911 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
12912 (PROP_trees): Add PROP_gimple_lomp.
12913 (TODO_set_props): New.
12914 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
12915 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
12916 * cfgexpand.c (pass_expand): Destroy PROP_trees.
12918 2006-02-08 Jakub Jelinek <jakub@redhat.com>
12920 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
12921 (sparc64-*-linux*): Likewise.
12922 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12923 * config/sparc/t-linux: New file.
12924 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12925 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12926 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12927 -m32 -mlong-double-128.
12929 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12930 * config/alpha/t-linux: New file.
12931 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12933 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12934 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12935 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12936 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12937 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12938 (CPP_ARCH32_SPEC): Remove.
12940 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12942 PR tree-optimization/26145
12943 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12946 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12949 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12950 >= 240000 when generating code for SOM runtime.
12951 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12952 to $$dyncall when generating code for SOM runtime..
12954 2006-02-07 Dirk Mueller <dmueller@suse.com>
12957 * doc/invoke.texi (-Wsequence-point): Update documentation
12958 that -Wsequence-point is implemented for C++ as well.
12960 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12962 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12963 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12964 (LIB_SPEC): Likewise.
12965 * doc/invoke.texi (SPARC options): Document -pthread.
12967 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12969 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12972 2006-02-07 Roger Sayle <roger@eyesopen.com>
12974 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12975 Correct comment describing BOOLEAN_TYPE.
12977 2006-02-07 Dirk Mueller <dmueller@suse.com>
12979 * c.opt: C++ frontend supports -Wdiv-by-zero.
12980 * c-opts.c (c_common_handle_option): Remove dead case.
12982 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12984 * configure.ac (TLS assembler check): Do not enable TLS by
12985 default on SPARC/Solaris before version 10.
12986 * configure: Regenerate.
12988 2006-02-07 David Edelsohn <edelsohn@gnu.org>
12990 * doc/invoke.texi (xl-compat): Document conversion and support
12993 2006-02-07 Jeff Law <law@redhat.com>
12995 * tree-vrp.c (find_conditional_asserts): Update comments.
12996 (simplify_stmt_for_jump_threading): New.
12997 (identify_jump_threads, finalize_jump_threads): New.
12998 (vrp_finalize): Call identify_jump_threads.
12999 (execute_vrp): Call finalize_jump_threads.
13000 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
13001 (vrp_element, vrp_data, vrp_element_p): Remove.
13002 (vrp_hash_elt, vrp_variables_stack): Remove.
13003 (vrp_hash, vrp_eq, record_range): Remove.
13004 (simplify_cond_and_lookup_avail_expr): Remove.
13005 (extract_range_from_cond): Remove.
13006 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
13007 (simplify_stmt_for_jump_threading): New.
13008 (dom_thread_across_edge): New wrapper.
13009 (tree_ssa_dominator_optimize): No longer initialize or
13010 finalize any of the VRP datastructures. Remove iteration
13011 step and simplify as a result of removal of iteration step.
13012 (pass_dominator): Perform a cfg cleanup after DOM.
13013 (dom_opt_finalize_block): Use the new common routines
13014 for threading jumps. Simplify stack management slightly.
13015 No longer need to unwind VRP state.
13016 (record_equivalences_from_incoming_edge): No longer record
13018 (eliminate_redundant_computations): No longer call
13019 simplify_cond_and_lookup_avail_expr.
13020 * tree-flow.h (potentially_threadable_block): Prototype.
13021 (thread_across_edge): Likewise.
13022 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13023 (tree-ssa-threadedge.o): Add dependencies.
13024 * tree-ssa-threadedge.c: New file.
13025 * passes.c (init_optimization_passes): Merge PHIs before
13026 calling VRP. Run VRP again late in the SSA optimization pipeline.
13028 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13030 * df-core.c (df_set_blocks): Do not dereference function pointers.
13031 (df_finish1): Likewise.
13032 (df_hybrid_search_forward): Likewise.
13033 (df_hybrid_search_backward): Likewise.
13034 (df_iterative_dataflow): Likewise.
13035 (df_analyze_problem): Likewise.
13036 (df_compact_blocks): Likewise.
13037 (df_dump): Likewise.
13038 * df-scan.c (df_rescan_blocks): Likewise.
13039 (df_record_entry_block_defs): Likewise.
13041 * genconditions.c (write_conditions): Guard the definition of
13042 'insn_conditions' with the check on GCC version.
13043 (write_writer): Guard the traversal 'insn_conditions' with
13044 the check on GCC version.
13046 2006-02-07 Richard Guenther <rguenther@suse.de>
13050 2006-01-30 Richard Guenther <rguenther@suse.de>
13052 * gimplify.c (gimplify_target_expr): Handle easy cases
13053 without creating a temporary.
13055 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
13057 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
13058 use of float in probability computations. Use edge probabilities
13059 in place of statically computed probabilities.
13060 (min_spec_prob): New static variable.
13061 (schedule_insns): Initialize it.
13062 (GET_SRC_PROB): Removed.
13063 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
13065 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
13068 * config/ia64/unwind-ia64.c: Revert last change.
13069 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
13070 (INCOMING_FRAME_SP_OFFSET): Define.
13072 2006-02-06 Roger Sayle <roger@eyesopen.com>
13074 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
13076 2006-02-07 Ben Elliston <bje@au.ibm.com>
13078 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
13079 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
13080 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
13081 (ix86_return_in_memory): Handle TDmode.
13082 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
13083 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
13085 2006-02-06 Richard Sandiford <richard@codesourcery.com>
13087 * reorg.c (dbr_schedule): Use dump_file instead of file.
13089 2006-02-06 Steve Ellcey <sje@cup.hp.com>
13092 * config/ia64/predicates.md (extr_len_operand): New predicate.
13093 * config/ia64/ia64.md (extv): Tighten constraints.
13095 (*tbit_and_2): Ditto.
13096 (*tbit_and_3): Ditto.
13097 (*tbit_or_2): Ditto.
13098 (*tbit_or_3): Ditto.
13099 (*bit_zero): Ditto.
13102 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
13105 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13107 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13109 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13110 loop_optimizer_init and loop_optimizer_finalize
13111 * tree-ssa-sink.c (execute_sink_code): Ditto.
13112 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13113 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
13114 tree_ssa_loop_done): Ditto.
13115 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13116 * sched-ebb.c: Include output.h.
13117 (schedule_ebbs): Do not use dump argument.
13118 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
13119 * loop.c (loop_dump_stream): Removed.
13120 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13122 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13123 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13124 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13125 loop_iterations, strength_reduce, record_biv, record_giv,
13126 final_giv_value, check_final_value, check_ext_dependent_givs,
13127 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13128 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13129 dump_file instead of loop_dump_stream.
13130 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13131 argument dump_file.
13132 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13134 * flow.c (life_analysis, rest_of_handle_life): Ditto.
13135 * haifa-sched.c: Include output.h
13136 (schedule_insns, sched_init): Do not use dump argument.
13137 * mode-switching.c (optimize_mode_switching): Ditto.
13138 * modulo-sched.c (stats_file): Removed.
13139 (print_node_sched_params): Do not call argument dump_file.
13140 (sms_schedule_by_order, loop_canon_p, sms_schedule,
13141 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
13143 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13145 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13146 rtl_loop_init, rtl_loop_done): Ditto.
13147 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13148 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13150 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13151 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13152 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13153 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13154 * emit-rtl.c (renumber_insns): Ditto.
13155 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13156 expand_gimple_basic_block, tree_expand_cfg): Ditto.
13157 * regclass.c (regclass): Ditto.
13158 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13159 remove_ssa_form, rewrite_out_of_ssa): Ditto.
13160 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13161 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13163 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13164 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13166 * gcse.c (gcse_file, debug_stderr): Removed.
13167 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13168 rest_of_handle_gcse): Do not use dump argument.
13169 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13170 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13171 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13172 compute_code_hoist_vbeinout, compute_code_hoist_data,
13173 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13174 compute_store_table, build_store_vectors, insert_insn_start_bb,
13175 insert_store, remove_reachable_equiv_notes, replace_store_insn,
13176 store_motion): Use dump_file instead of gcse_file.
13177 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13178 * profile.c (profile_dump_file): Removed.
13179 (branch_prob): Use dump_file instead of profile_dump_file.
13180 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13182 * tree-ssa-copy.c (dump_copy_of): Ditto.
13183 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13184 dump file to life_analysis.
13185 * bt-load.c (branch_target_load_optimize): Ditto.
13186 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13188 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13189 regclass, dbr_schedule): Declaration changed.
13190 * sched-int.h (sched_init): Declaration changed.
13191 * tree-profile.c (tree_profile_dump_file): Removed.
13192 (tree_profile_hooks): Removed profile_dump_file hook.
13193 * rtl-profile (rtl_profile_dump_file): Removed.
13194 (rtl_profile_hooks): emoved profile_dump_file hook.
13195 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13197 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13198 * tree-cfg.c (build_tree_cfg): Ditto.
13199 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13200 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13201 Declaration changed.
13202 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13203 life_analysis and schedule_insns.
13204 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13206 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13208 * config/mips/mips.c (mips_reorg): Ditto.
13209 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13212 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13214 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13215 (s390_mangle_fundamental_type): New.
13216 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13219 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13220 (alpha_mangle_fundamental_type): New.
13221 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13224 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13226 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13228 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13229 (sparc_mangle_fundamental_type): New.
13231 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13233 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13234 (s390x-*-linux*): Likewise.
13235 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13236 * config/s390/t-linux: New file.
13238 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13240 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13241 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13243 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13245 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13246 (ANTIC_SAFE_LOADS): New macro.
13247 (find_or_generate_expression): Add prototype.
13248 (set_contains_value): Allow null set for sake of not always having
13249 to allocate ANTIC_SAFE_LOADS.
13250 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13251 Allow COMPONENT_REF too.
13252 (valid_in_set): Allow COMPONENT_REF.
13253 Check ANTIC_SAFE_LOADS too.
13254 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13255 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13257 (can_PRE_operation): Add COMPONENT_REF.
13258 (create_component_ref_by_pieces): New function.
13259 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13260 (insert_aux): Move AGGREGATE_TYPE_P check here.
13261 (compute_avail): Set bb local stmt uids.
13262 (pass_pre): Use TODO_update_ssa_only_virtuals.
13264 2006-02-06 Ben Elliston <bje@au.ibm.com>
13266 * configure.ac: Unconditionally disable decimal float by default.
13267 * configure: Regenerate.
13269 2006-02-06 Ben Elliston <bje@au.ibm.com>
13271 * read-rtl.c (read_name): Terminate reading on EOF.
13273 2006-02-06 Ben Elliston <bje@au.ibm.com>
13275 * dfp.c (decimal_real_arithmetic): Change second argument type
13276 from int to enum tree_code. Do not always return true, but now
13277 return result of any call to decimal_do helper functions.
13278 * dfp.h (decimal_real_arithmetic): Update prototype.
13280 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
13282 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13284 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
13287 * tree-cfg.c (cleanup_dead_labels): Also don't remove
13290 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13292 * tree-vrp.c (cfg_loops): Removed.
13293 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13294 Use current_loops instead of cfg_loops. Pass flags to
13295 loop_optimizer_init.
13296 * cfgloopmanip.c (fix_loop_structure): Update only available
13298 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13299 loop_optimizer_init.
13300 * modulo-sched.c (build_loops_structure): Removed.
13301 (sms_schedule): Use loop_optimizer_init.
13302 * loop-init.c (loop_optimizer_init): Use flags to determine
13303 which properties of loops to prepare.
13304 (rtl_loop_init): Pass flags to loop_optimizer_init.
13305 * tree-ssa-sink.c (execute_sink_code): Ditto.
13306 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13307 * tree-ssa-pre.c (init_pre): Ditto.
13308 * cfgloop.h (LOOPS_NORMAL): New.
13309 (loop_optimizer_init): Declaration changed.
13311 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13313 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13314 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13316 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13318 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13320 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13321 * pa/t-pa64: Delete quadlib.c rule.
13322 * pa/x-ada: Revert last change.
13323 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13325 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13327 PR rtl-optimization/26087
13328 * rtlanal.c (canonicalize_condition): Do not cross basic block
13331 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13334 * config/ia64/ia64.c: Include debug.h.
13335 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13336 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13337 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13338 (process_epilogue, process_set, process_for_unwind_directive):
13339 Output unwind info only if requested. Add CFA info if requested.
13340 Add new arguments as needed. Adjust callers.
13341 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13343 (DWARF2_FRAME_INFO): Define to zero.
13344 * config/ia64/unwind-ia64.c: Remove code that compensated for
13345 the CFA offset error fixed above.
13346 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13347 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13348 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13349 -funwind-tables and -fexceptions to enable frame info.
13350 (dwarf2out_frame_init): Define initial CFA even if
13351 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13352 DWARF2_UNWIND_INFO is nonzero, not just defined.
13353 (dwarf2out_frame_finish): Output non-EH call frame info only
13354 if DWARF2_FRAME_INFO is nonzero.
13355 (convert_cfa_to_loc_list,
13356 compute_frame_pointer_to_cfa_displacement): Define even if
13357 unwind info is not supported.
13358 (gen_subprogram_die): Use the above unconditionally. Remove
13359 legacy alternate code.
13360 * toplev.c (compile_file): Compile in call to
13361 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13362 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13364 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13365 Jakub Jelinek <jakub@redhat.com>
13367 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13368 IBM extended float format long double as "g" on powerpc*-linux.
13370 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13373 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13374 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13376 2006-02-03 Jason Merrill <jason@redhat.com>
13379 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13381 PR middle-end/25977
13382 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13383 on the return slot if it's an NRV.
13385 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13387 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13388 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13389 rewrite_use): Do not handle USE_OUTER.
13390 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13391 add_iv_outer_candidates, may_replace_final_value,
13392 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13393 (find_interesting_uses_op): Functionality of
13394 find_interesting_uses_outer_or_nonlin moved here.
13395 (find_interesting_uses_outside): Use find_interesting_uses_op.
13397 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13400 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13402 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13403 Ulrich Weigand <uweigand@de.ibm.com>
13406 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13407 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13408 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13409 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13411 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13412 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13413 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13414 Define secondary reloads for TFmode moves.
13415 (constant_modes): Add TFmode.
13416 (NR_C_MODES): Set to 8.
13417 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13419 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13420 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13421 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13422 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13423 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13424 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13425 (FPR mode macro): Add TFmode.
13426 (DSF mode macro): New.
13427 (<de>, <dee> mode attributes): Removed.
13428 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13429 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13430 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13431 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13432 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13433 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13434 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13435 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13436 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13437 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13438 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13439 "*negabs<mode>2", "sqrt<mode>2"):
13440 Changed <de> to <xde>. R constraint replaced by <Rf>.
13441 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13443 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13444 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13445 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13447 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13448 "extenddftf2", "extendsftf2"): New expanders.
13449 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13450 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13451 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13452 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13454 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13455 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13456 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13457 __floatditf): Add a GCC_4.1.0 symbol version tag.
13458 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13461 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13464 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13465 Use targetm.binds_local_p instead of TREE_PUBLIC.
13467 2006-02-02 Roger Sayle <roger@eyesopen.com>
13469 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13470 on INTEGER_TYPEs to indicate that it denotes a character type.
13471 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13472 signed_char_type_node, unsigned_char_type_node and char_type_node.
13473 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13474 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13475 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13477 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13478 Daniel Berlin <dberlin@dberlin.org>
13480 * tree-tailcall.c (arg_needs_copy_p): New function.
13481 (eliminate_tail_call): Use arg_needs_copy_p.
13482 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13483 (add_virtual_phis): New function.
13485 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13487 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13488 #ignore instead of #scratch for %g7 .register directive.
13490 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13492 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13495 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13497 * flow.c (calculate_global_regs_live): Assert that there aren't any
13500 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13502 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13503 what its name says.
13504 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13505 bsi_after_labels iterator.
13506 * tree-if-conv.c (find_phi_replacement_condition,
13507 replace_phi_with_cond_modify_expr): Likewise.
13508 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13509 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13511 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13513 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13515 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13518 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13519 array after growing it.
13521 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13523 PR middle-end/24901
13524 * fold-const.c (fold_checksum_tree): Change type of buf.
13526 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13528 * reload.c (push_secondary_reload): Initialize t_icode.
13530 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13532 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13533 -msoft-float -mlong-double-128 only issue a warning, but don't
13534 swich to DFmode long double.
13536 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13538 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13539 has a constant equivalent, iterate over equivalents for arg0,
13540 calling simplify_relational_operation and if there's a result
13541 cheaper than X, apply fold_rtx and return the result.
13543 2006-02-01 Jan Hubicka <jh@suse.cz>
13545 * opts.c (no_unit_at_a_time_default): New global variable.
13546 (decode_options): Use it.
13547 * opts.h (no_unit_at_a_time_default): Declare.
13549 2006-02-01 Paul Brook <paul@codesourcery.com>
13551 * function.c (assign_parm_setup_reg): Use function argument promotion
13553 * expr.c (expand_expr_real_1): Use function argument promotion rules
13556 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13558 * gcc.c (process_command): Change j to 'unsigned int'.
13560 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13562 PR middle-end/26001
13563 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13564 Use the corrected index for the character
13565 out of the string constant.
13567 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13569 * mode-switching.c (optimize_mode_switching): Fix size
13570 allocated for bb_info[n_entities].
13572 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13574 * gcc.c (main): Correct type that is allocated for
13575 explicit_link_files.
13577 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13579 * config/s390/s390.c (init_alignment_context): Set
13580 ALIAS_SET_MEMORY_BARRIER on the MEM.
13581 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13583 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13585 PR middle-end/25933
13586 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13588 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13591 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13593 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13594 * regrename.c: Ditto.
13595 * tree-ssa-loop-im.c: Ditto.
13596 * tree-dump.c: Ditto.
13597 * tree-complex.c: Ditto.
13598 * genrecog.c: Ditto.
13599 * tree-ssa-threadupdate.c: Ditto.
13601 * java/class.c: Ditto.
13602 * java/jcf-parse.c: Ditto.
13603 * java/resource.c: Ditto.
13604 * java/except.c: Ditto.
13605 * java/jvspec.c: Ditto.
13606 * java/jcf-write.c: Ditto.
13607 * java/jcf-path.c: Ditto.
13608 * java/gjavah.c: Ditto.
13609 * java/zextract.c: Ditto.
13610 * java/jcf-io.c: Ditto.
13611 * java/jcf.h: Ditto.
13612 * java/buffer.c: Ditto.
13613 * java/lang.c: Ditto.
13614 * java/parse-scan.y: Ditto.
13615 * java/lex.c: Ditto.
13616 * java/lex.h: Ditto.
13617 * cfgloopmanip.c: Ditto.
13618 * postreload-gcse.c: Ditto.
13619 * tree-ssa-loop-manip.c: Ditto.
13620 * postreload.c: Ditto.
13621 * tree-ssa-loop-ch.c: Ditto.
13624 * cppspec.c: Ditto.
13625 * diagnostic.c: Ditto.
13627 * genoutput.c: Ditto.
13629 * cfghooks.c: Ditto.
13630 * cfgloopanal.c: Ditto.
13631 * objc/objc-act.c: Ditto.
13633 * genextract.c: Ditto.
13634 * genautomata.c: Ditto.
13635 * pretty-print.c: Ditto.
13636 * genemit.c: Ditto.
13637 * cgraphunit.c: Ditto.
13639 * df-scan.c: Ditto.
13640 * haifa-sched.c: Ditto.
13641 * dominance.c: Ditto.
13643 * tree-ssa-loop-ivopts.c: Ditto.
13644 * df-core.c: Ditto.
13645 * mode-switching.c: Ditto.
13646 * modulo-sched.c: Ditto.
13648 * ipa-pure-const.c: Ditto.
13650 * fix-header.c: Ditto.
13652 * tree-stdarg.c: Ditto.
13653 * ipa-utils.c: Ditto.
13654 * loop-init.c: Ditto.
13655 * ipa-inline.c: Ditto.
13656 * cfganal.c: Ditto.
13658 * alloc-pool.c: Ditto.
13659 * dwarf2out.c: Ditto.
13661 * genattrtab.c: Ditto.
13662 * tree-ssa-loop-ivcanon.c: Ditto.
13663 * predict.c: Ditto.
13664 * timevar.c: Ditto.
13666 * fortran/gfortranspec.c: Ditto.
13667 * regmove.c: Ditto.
13668 * local-alloc.c: Ditto.
13669 * langhooks.c: Ditto.
13670 * function.c: Ditto.
13671 * tree-vectorizer.c: Ditto.
13673 * ipa-type-escape.c: Ditto.
13675 * tree-if-conv.c: Ditto.
13676 * profile.c: Ditto.
13678 * tree-data-ref.c: Ditto.
13679 * loop-unroll.c: Ditto.
13680 * treelang/treetree.c: Ditto.
13682 * bt-load.c: Ditto.
13683 * ggc-common.c: Ditto.
13685 * coverage.c: Ditto.
13687 * tree-cfgcleanup.c: Ditto.
13688 * tree-ssa-pre.c: Ditto.
13689 * cfgcleanup.c: Ditto.
13690 * loop-invariant.c: Ditto.
13691 * loop-iv.c: Ditto.
13692 * ipa-prop.c: Ditto.
13693 * print-tree.c: Ditto.
13694 * conflict.c: Ditto.
13695 * ggc-page.c: Ditto.
13696 * sched-deps.c: Ditto.
13697 * regclass.c: Ditto.
13698 * tree-object-size.c: Ditto.
13699 * combine.c: Ditto.
13700 * bb-reorder.c: Ditto.
13701 * resource.c: Ditto.
13702 * var-tracking.c: Ditto.
13703 * cfgloop.c: Ditto.
13704 * df-problems.c: Ditto.
13705 * reg-stack.c: Ditto.
13707 * gccspec.c: Ditto.
13708 * sched-rgn.c: Ditto.
13709 * tree-ssa-structalias.c: Ditto.
13710 * tree-ssa-reassoc.c: Ditto.
13711 * config/darwin-c.c: Ditto.
13712 * config/darwin.c: Ditto.
13713 * config/arm/arm.c: Ditto.
13715 * collect2.c: Ditto.
13716 * reload1.c: Ditto.
13718 2006-01-31 Nicolas Pitre <nico@cam.org>
13720 * arm.md (smaxsi3): Make aware of smax_m1.
13723 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13725 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13727 2006-01-31 Richard Guenther <rguenther@suse.de>
13729 * doc/invoke.texi (-msselibm): Document.
13730 * target.h (expand_library_builtin): New target hook.
13731 * builtins.c (expand_builtin): Use expand_library_builtin.
13732 (default_expand_library_builtin): New function.
13733 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13734 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13735 (link_gcc_math_spec): Declare.
13736 (static_specs): Add link_gcc_math_spec.
13737 * expr.h (default_expand_library_builtin): Declare.
13738 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13739 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13740 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13741 * config/i386/i386.opt (msselibm): New target option.
13742 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13743 (ix86_init_sse_abi_builtins): New function.
13744 (ix86_expand_library_builtin): Likewise.
13745 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13746 (override_options): Handle error conditions wrt -msselibm.
13747 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13748 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13749 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13752 2006-01-31 Richard Guenther <rguenther@suse.de>
13753 Paolo Bonzini <bonzini@gnu.org>
13755 * doc/install.texi (--disable-libgcc-math): Document.
13757 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13759 * expr.h (expand_normal): new inline function.
13760 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13761 * dojump.c: use it.
13762 * dwarf2out.c: use it.
13765 * expmed.c: use it.
13766 * except.c: use it.
13767 * config/sparc/sparc.c: use it.
13768 * config/i386/i386.c: use it.
13769 * config/rs6000/rs6000.c: use it.
13770 * config/arm/arm.c: use it.
13771 * config/mips/mips.c: use it.
13772 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13774 2006-01-30 Roger Sayle <roger@eyesopen.com>
13776 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13777 argv to the appropriate type.
13779 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13781 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13784 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13787 * config/s390/s390.c (struct machine_function): New flag
13788 decomposed_literal_pool_addresses_ok_p.
13789 (s390_reorg): Set it before final stage of literal pool transforms.
13790 (s390_decompose_address): Only accept displacements of the form
13791 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13793 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13795 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13796 the comparison routine return.
13798 2006-01-30 Michael Matz <matz@suse.de>
13800 * global.c (find_reg): Only evict for global regs.
13801 Take n_refs into account and dump more info.
13803 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13806 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13807 (pragma_trap, pragma_nosave_low_regs): Likewise.
13808 (current_function_anonymous_args): Likewise.
13809 (sh_deferred_function_attributes): New variable.
13810 (sh_deferred_function_attributes_tail): Likewise.
13811 (print_operand): For '@', look up trap_exit attribute.
13812 (calc_live_regs): Look up trapa_handler attribute. For trapa
13813 handlers, save/restore fpscr, but don't do any other
13814 interrupt-specific saves.
13815 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13816 Fix check for partially saved registers to check for SHmedia.
13817 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13818 (sh_output_function_epilogue): Don't clear any of the removed
13820 (sh_insert_attributes): Don't check pragma_interrupt.
13821 Insert deferred attributes. Check that interrupt attribute is
13822 present for other attributes that require its presence.
13823 (sh_attribute_table): Add new attributes trapa_handler and
13825 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13826 Don't check for pragma_interrupt. Don't store argument.
13827 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13828 (sh_deferred_function_attributes): Declare.
13829 (sh_deferred_function_attributes_tail): Likewise.
13830 * sh.md (sp_switch_1): Add operand. Change generator caller.
13831 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13832 (*return_i): Don't use when trap_exit attribute is in effect.
13833 (*return_trapa): New insn pattern.
13834 * sh-c.c: New file.
13835 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13836 setting c_target_objs and cxx_target_objs.
13837 * t-sh: Add rule for sh-c.o.
13839 2006-01-30 Richard Guenther <rguenther@suse.de>
13842 * gimplify.c (gimplify_target_expr): Handle easy cases
13843 without creating a temporary.
13845 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13847 * vec.h (safe_grow): Remove duplicated line.
13849 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13852 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13853 (expand_omp): ... here.
13854 (expand_omp_parallel): Only remove barriers for combined
13855 parallel+workshare constructs.
13857 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13861 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13862 * tree.c (build_qualified_type): Chain the new type to the original
13863 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13864 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13865 (build_pointer_type_for_mode): Only return unqualified types.
13866 (build_reference_type_for_mode): Likewise.
13868 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13870 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13871 * Makefile.in (CXX_COMPAT_WARN): Define.
13872 * configure: Regenerate.
13874 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13877 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13880 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13882 * toplev.c: Fix thinko.
13884 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13885 Marcin Dalecki <martin@dalecki.de>
13887 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13888 (push_srcloc): Use XNEW.
13889 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13891 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13893 * df-core.c (df_set_blocks): Deleted all variable.
13895 2006-01-28 Ian Lance Taylor <ian@airs.com>
13897 * cgraphunit.c (cgraph_assemble_pending_functions): Call
13898 cgraph_output_pending_asms.
13900 2006-01-28 Zack Weinberg <zackw@panix.com>
13902 * c.opt: Add -W(no-)overlength-strings.
13903 * doc/invoke.texi: Document it.
13904 * c-opts.c (c_common_handle_option): -pedantic implies
13905 -Woverlength-strings, if not explicitly disabled already.
13906 (c_common_post_options): -Woverlength-strings defaults to off, and
13907 is always off for C++.
13908 * c-common.c (fix_string_type): Issue warning about strings longer
13909 than is portable only if warn_overlength_strings. Rearrange code
13910 a little for clarity.
13911 * configure.in: Check for -Wno-overlength-strings as well before
13912 enabling -pedantic in stage 1.
13913 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
13914 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
13916 * genconditions.c (write_header, write_one_condition)
13917 (write_conditions, write_writer): Consolidate very long strings
13918 that were broken up to fit in C89 portable limit. Don't use
13919 printf when fputs will do.
13921 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13923 * combine.c (simplify_comparison <AND>): Check
13924 TRULY_NOOP_TRUNCATION before start using a subreg.
13926 * config/mips/mips.md (*branch_zero<mode>,
13927 *branch_zero<mode>_inverted, *branch_equality<mode>,
13928 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13929 Remove mode check from comparisons.
13931 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13933 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13935 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13937 * expmed.c (const_mult_add_overflow_p): Remove.
13938 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13940 * recog.c (validate_replace_rtx_subexp): Remove.
13941 * recog.h: Remove the prototype for
13942 validate_replace_rtx_subexp.
13944 * integrate.h: Remove the prototype for
13945 copy_decl_for_inlining.
13946 * rtl.h: Remove the prototype for mark_constant_function.
13947 * tree-vectorizer.h: Remove the prototype for
13948 vect_strip_conversion.
13950 * modulo-sched.c (create_partial_schedule,
13951 free_partial_schedule, reset_partial_schedule): Make them
13954 * hooks.c (hook_bool_rtx_int_false): Remove.
13955 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13957 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13959 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13960 and -mlong-double-128 are incompatible.
13961 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13962 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13963 (TARGET_LIBGCC2_CFLAGS): Define.
13964 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13965 (TARGET_LIBGCC2_CFLAGS): Same.
13966 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13968 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13971 * c-typeck.c (build_binary_op): Perform implicit casts of
13972 operands before shortening them.
13974 * cfgloopmanip.c (split_loop_bb): Remove.
13975 * cfgloop.h: Remove the prototype for split_loop_bb.
13977 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13978 * cfgloop.h: Remove the prototype for
13979 flow_loop_outside_edge_p.
13981 * emit-rtl.c (init_virtual_regs): Make it static.
13982 * function.h: Remove the prototype for init_virtual_regs.
13984 * recog.c (peephole2_optimize): Make it static.
13985 * recog.h: Remove the prototype for peephole2_optimize.
13987 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13989 * df-scan.c (df_record_entry_block_defs): Check if
13990 INCOMING_RETURN_ADDR_RTX is defined.
13992 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
13993 Kenneth Zadeck <zadeck@naturalbridge.com>
13995 PR rtl-optimization/24762
13996 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13997 * targhooks.c (hook_void_bitmap): New hook prototype.
13998 * targhoohs.h (hook_void_bitmap): Ditto.
13999 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
14000 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
14001 * target.h (live_on_entry): New function pointer.
14002 * df-scan.c (df_all_hard_regs): Removed.
14003 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
14004 (df_scan_free_internal): Added df->entry_block_defs.
14005 (df_scan_alloc): Ditto.
14006 (df_scan_dump): Ditto.
14007 (df_uses_record): Plumbed flag field properly thru calls.
14008 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
14009 This part fixes PR24762.
14010 (df_bb_refs_record): Added code to make the frame and arg
14011 pointers live in EH blocks.
14012 (df_refs_record): Added call to df_record_entry_block_defs.
14013 (df_record_entry_block_defs): New function.
14014 * df-core.c: Added comments to describe new artifical defs.
14015 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
14016 (entry_block_defs): New field in struct df.
14017 (df_all_hard_regs): Deleted.
14018 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14019 * df-problems.c (df_ru_bb_local_compute_process_def):
14020 Added code to handle artifical defs in the entry to a function.
14021 (df_ru_bb_local_compute): Ditto.
14022 (df_rd_bb_local_compute_process_def): Ditto.
14023 (df_rd_bb_local_compute): Ditto.
14024 (df_lr_bb_local_compute): Ditto.
14025 (df_ur_bb_local_compute): Ditto.
14026 (df_urec_bb_local_compute): Ditto.
14027 (df_chain_create_bb): Ditto.
14028 (df_ur_local_finalize): Removed entry.
14029 (df_urec_init): Ditto.
14030 (df_urec_local_finalize): Ditto.
14031 (df_ri_bb_compute): Added detection of last use of pseudos.
14032 * Makefile.in (df-scan.o): Updated dependencies.
14033 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
14034 * config/mips/mips.c (mips_set_live_on_entry): Added.
14035 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
14037 * dce.c (marked_insn_p): Added code to handle artifical defs.
14039 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14041 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14043 (_mm_cvtsi128_si64): Likewise.
14044 (_mm_cvtsd_si64): Likewise.
14045 (_mm_cvttsd_si64): Likewise.
14046 (_mm_cvtsi64_sd): Likewise.
14047 (_mm_cvtsi64_si128): Likewise.
14048 * config/i386/mmintrin.h (_m_from_int64): Likewise.
14049 (_mm_cvtsi64_m64): Likewise.
14050 (_m_to_int64): Likewise.
14051 (_mm_cvtm64_si64): Likewise.
14052 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
14053 (_mm_cvttss_si64): Likewise.
14054 (_mm_cvtsi64_ss): Likewise.
14055 (_mm_cvtss_f32): Likewise.
14057 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
14059 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
14060 for pragma redefine_extname.
14062 2006-01-27 Jakub Jelinek <jakub@redhat.com>
14065 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
14066 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
14067 -mno-minimal-toc to previous content.
14068 (bispecs): Remove goal.
14069 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14070 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
14071 compatibility aliases on powerpc-*-*gnu*.
14072 * config/rs6000/libgcc-ppc-glibc.ver: New file.
14073 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
14074 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
14075 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
14076 (ldblspecs): New goal.
14077 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
14078 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
14080 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
14081 L_sf_to_tf or L_df_to_tf is defined.
14083 2006-01-27 David Edelsohn <edelsohn@gnu.org>
14084 Alan Modra <amodra@bigpond.net.au>
14087 * config/rs6000/linux.h (POWERPC_LINUX): Define.
14088 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
14089 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14090 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14091 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14092 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14093 (rs6000_override_options): Initialize rs6000_ieeequad.
14094 Initialize TFmode format to ibm_extended_format if not
14096 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14098 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14099 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14100 (function_arg_advance): IBM long double passed in two FPRs, not
14102 (function_arg): IBM long double passed in FPRs.
14103 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14104 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14105 Only multireg GPR aligned.
14106 (rs6000_init_libfuncs): Enable IBM long double functions if not
14108 (rs6000_generate_compare): Use IBM long double compare if not
14110 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14111 (TARGET_IEEEQUAD): Define.
14112 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
14113 not TARGET_IEEEQUAD.
14114 * config/rs6000/rs6000.md: Enable TFmode patterns if
14116 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
14117 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14118 and -mlong-double-128 are incompatible.
14119 * doc/invoke.texi (-mabi): Collect options together. Add
14120 ibmlongdouble and ieeelongdouble.
14122 2006-01-27 Richard Sandiford <richard@codesourcery.com>
14124 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14126 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14127 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14128 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14129 * rtl.h (rtunion_def): Remove rt_ptr.
14131 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14132 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14133 * config/i386/winnt.c (i386_pe_mark_dllexport)
14134 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14136 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14138 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14140 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14144 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14145 pthread_key_delete. From John David Anglin. gthrw-ify
14146 pthread_getunique_np only if it it's not a macro. Delete
14148 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14149 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14150 __gthread_objc_condition_signal, __gthread_key_delete): Add
14151 "__attribute__ ((__unused__))" to unused arguments.
14152 (__gthread_recursive_mutex_init_function): Add missing return.
14153 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14154 gthr-posix95.h: Use macro-based approach for name redirection
14155 on targets missing weakref.
14157 2006-01-26 Zack Weinberg <zackw@panix.com>
14159 * genconditions.c (write_header): In generated code, #ifdef out
14160 all includes and fake declarations, except includes of bconfig.h
14161 and system.h, unless GCC_VERSION >= 3001. Do not include
14162 gensupport.h in any case.
14163 (write_conditions): Generate a definition of struct c_test. Add
14164 a comment to the generated #endif.
14165 (write_one_condition): Escape backslashes in string too.
14166 (write_writer): Generated code must escape backslashes and quote
14167 marks (but not newlines) in the strings it writes.
14168 * Makefile.in (build/gencondmd.o): Update dependencies.
14170 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14173 * Makefile.in (insn-automata.o): Add header file dependencies.
14174 * genautomata.c: Add includes.
14176 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14179 * Makefile.in (insn-automata.o): Add -Wno-error flag.
14181 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14183 * configure.ac: Expect target tools paths to be passed from the toplevel
14184 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
14186 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14188 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14191 * c.opt (Wpointer-sign): Init to -1.
14192 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14193 OPT_pedantic, to 0 otherwise.
14194 * doc/invoke.texi: Update.
14196 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14198 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14199 constants provided by 80387 instructions in the destination mode.
14201 2006-01-26 Richard Guenther <rguenther@suse.de>
14202 Andrew Pinski <pinskia@physics.uc.edu>
14205 partial PR tree-opt/17064
14206 * tree-ssa-structalias.c (intra_create_variable_infos):
14207 Create heap variables for incoming parameters if
14208 flag_argument_noalias > 1.
14209 (find_what_p_points_to): Look through default defs of
14212 2006-01-26 Jeff Law <law@redhat.com>
14215 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14216 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14217 within the VR_RANGE, use the VR_RANGE as the result, not the
14219 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14220 bounds for the type.
14222 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14224 * tree-ssa-alias.c (maybe_create_global_var): Change
14225 subvar walking to an assertion that we don't have subvar'd variables.
14227 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14230 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14231 Use a new variable, inner. PARM_DECLs are always non-weak.
14233 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14235 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14236 --disable-checking.
14238 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14240 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14242 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14244 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14245 (smax_insn, smin_insn, smax_0, smin_0): New.
14247 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14250 * config/cris/cris.c (cris_order_for_addsi3): New function.
14251 * config/cris/cris-protos.h: Prototype it.
14252 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14253 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14254 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14255 (split for "op.S1 [rx=rx+i],ry (swapped)")
14256 (split for "op(s|u).S1 [rx=rx+i],ry")
14257 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14258 Apply cris_order_for_addsi3 when generating addsi3 insns.
14260 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14262 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14263 (TREE_BLOCK): Add call to EXPR_CHECK.
14265 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14268 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14269 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14270 (dump_omp_clauses): ... here.
14271 (dump_generic_node): Handle OMP_CLAUSE.
14272 * tree.c (omp_clause_num_ops): New.
14273 (omp_clause_code_name): New.
14274 (tree_code_size): Handle OMP_CLAUSE.
14275 (tree_size): Likewise.
14276 (make_node): Document handling of OMP_CLAUSE.
14277 (tree_node_structure): Handle OMP_CLAUSE.
14278 (omp_clause_check_failed): New.
14279 (omp_clause_range_check_failed): New.
14280 (omp_clause_operand_check_failed): New.
14281 (build_omp_clause): New.
14282 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14283 * tree.h (enum omp_clause_code): Declare.
14284 (OMP_CLAUSE_SUBCODE_CHECK): Define.
14285 (OMP_CLAUSE_RANGE_CHECK): Define.
14286 (OMP_CLAUSE_ELT_CHECK): Define.
14287 (omp_clause_check_failed): Declare.
14288 (omp_clause_operand_check_failed): Declare.
14289 (omp_clause_range_check_failed): Declare.
14290 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14291 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14292 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14293 (OMP_CLAUSE_LASTPRIVATE): Likewise.
14294 (OMP_CLAUSE_IF_EXPR): Likewise.
14295 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14296 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14297 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14298 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14299 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14300 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14301 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14302 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14303 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14304 (OMP_CLAUSE_CODE): Define.
14305 (OMP_CLAUSE_SET_CODE): Define.
14306 (OMP_CLAUSE_CODE): Define.
14307 (OMP_CLAUSE_OPERAND): Define.
14308 (struct tree_omp_clause): Declare.
14309 (union tree_node): Add field 'omp_clause'.
14310 * treestruct.def (TS_OMP_CLAUSE): Define.
14311 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14312 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14313 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14314 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14315 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14316 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14317 (OMP_CLAUSE): Define.
14318 * print-tree.c (print_node): Handle OMP_CLAUSE.
14319 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14320 * c-typeck.c: Likewise.
14321 * gimplify.c: Likewise.
14322 * c-omp.c: Likewise.
14323 * tree-nested.c: Likewise.
14324 * tree-inline.c: Likewise.
14325 * c-parser.c: Likewise.
14326 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14329 2006-01-25 Roger Sayle <roger@eyesopen.com>
14331 PR rtl-optimization/25703
14332 * combine.c (try_combine): Handle zero_extract and strict_low_part
14333 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14335 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14337 * global.c: Fix comment typos.
14339 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14342 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14343 Use output_addr_const instead of assemble_name.
14345 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14347 * Makefile.in (sched-vis.o): Update dependencies.
14348 * haifa-sched.c (sched_finish): Clear current_sched_info.
14349 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14350 (dump_flow_info): Call it.
14351 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14353 * basic-block.h (dump_bb_info): Declare.
14354 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14355 option, and apply options only for dump files whose TDF_RTL,
14356 TDF_TREE, or TDF_IPA bits match.
14357 * rtl.h: Declare new functions exported from sched-vis.c.
14358 * sched-vis.c: Enable also if scheduling is not used.
14359 (print_value): Print the mode of registers if not inside scheduling.
14360 (print_insn): Make it work outside the scheduler. Beautify the output
14362 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14364 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14366 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14367 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14368 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14369 depending on the value of CONSTANT_POOL_ADDRESS_P.
14370 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14372 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14373 rather than SYMBOL_REF_DECL.
14374 (rtx_constant_pool): Remove const_rtx_sym_htab.
14375 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14376 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14377 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14378 Remove handling of const_rtx_sym_htab.
14379 (find_pool_constant): Delete.
14380 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14381 rather than find_pool_constant.
14382 (get_pool_constant_for_function): Delete.
14383 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14384 find_pool_constant.
14385 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14386 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14387 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14388 (SYMBOL_REF_CONSTANT): New macro.
14389 (get_pool_constant_for_function): Delete.
14390 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14391 rather than SYMBOL_REF_DECL.
14392 (i386_pe_mark_dllimport): Likewise.
14393 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14394 rather than SYMBOL_REF_DECL.
14395 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14396 (machopic_indirect_call_target): Likewise.
14398 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14400 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14402 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14404 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14406 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14408 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14410 2006-01-24 David Daney <ddaney@avtrex.com>
14413 * configure.ac (enable_tls): New enable option.
14414 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14415 * configure: Regenerate.
14416 * doc/install.texi (--enable-tls): Document new option.
14417 (--disable-tls): Ditto.
14419 2006-01-24 Richard Henderson <rth@redehat.com>
14421 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14422 * alias.c (true_dependence): Respect it.
14423 (canon_true_dependence, write_dependence_p): Likewise.
14424 * builtins.c (get_builtin_sync_mem): Set it.
14426 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14428 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14431 2006-01-24 DJ Delorie <dj@redhat.com>
14433 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14434 for storing constants in single-bit bitfields.
14436 2006-01-25 Ben Elliston <bje@au.ibm.com>
14438 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14440 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14443 * tree-ssa-pre.c (phi_translate): Return NULL
14444 for AGGREGATE_TYPE's.
14446 2006-01-24 Zack Weinberg <zackw@panix.com>
14448 * genautomata.c (process_state_for_insn_equiv_partition):
14449 Use xcalloc for insn_arcs_array.
14450 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14451 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14453 2006-01-24 Richard Henderson <rth@redhat.com>
14455 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14456 update all callers.
14458 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14460 PR rtl-optimization/25890
14461 PR rtl-optimization/25905
14462 * combine.c (expand_compound_operation, expand_field_assignment):
14463 Fail if the bitfield's final position is out of bounds.
14465 2006-01-24 Ian Lance Taylor <ian@airs.com>
14467 PR middle-end/25930
14468 * cgraphunit.c (cgraph_output_in_order): Don't clear
14469 cgraph_asm_nodes until after asm strings have been output.
14471 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14473 * fix-header.c (read_scan_file): Add new parameter imultilib when
14474 calling register_include_chains.
14476 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14478 * omp-low.c: Update documentation.
14480 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14481 Daniel Berlin <dberlin@dberlin.org>
14485 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14486 return from the function.
14488 2006-01-22 Zack Weinberg <zackw@panix.com>
14490 * rtl.def (match_code): Add second argument.
14491 * genpreds.c (write_extract_subexp): New function.
14492 (write_match_code): Add path argument. Use write_extract_subexp.
14493 (write_predicate_expr): Pass path to write_match_code.
14494 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14495 not perform a mode test.
14496 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14497 a subexpression does not constrain the top-level code set.
14498 * read-rtl.c (read_rtx_variadic): New function.
14499 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14500 * doc/md.texi: Document new notation.
14501 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14502 (cmpsi_operand): ... here, using new notation.
14504 2006-01-22 Zack Weinberg <zackw@panix.com>
14506 * varray.c: Remove GENERATOR_FILE #ifdefs.
14508 2006-01-22 Zack Weinberg <zackw@panix.com>
14510 * genautomata.c (output_reserved_units_table): Emit nothing if
14511 description->query_units_num is zero. Remove extra blank line.
14512 (output_cpu_unit_reservation_p): Short circuit
14513 if description->query_units_num is zero.
14515 2006-01-22 Zack Weinberg <zackw@panix.com>
14517 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14518 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14519 nor any of the random handful of variables that used to be necessary
14520 when this program was linked with rtlanal.o. Prune set of forward
14521 function declarations.
14522 (struct attr_desc): Remove static_p field.
14523 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14524 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14525 (attr_string): Do not read the character one past the length of
14527 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14528 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14529 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14530 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14531 (make_automaton_attrs): New.
14532 (main): Do not call into genautomata. Call local gen_bypass
14533 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14534 Remove special case for insn_alts.
14535 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14536 varray.h (leftover from previous change). Prune set of forward
14537 function declarations. Remove state_alts fields from all
14538 structures. Remove state_alts_table from struct automaton.
14539 Make everything except main static. Do not maintain num_dfa_decls.
14540 Do not maintain state_alts fields of various structures.
14541 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14542 (add_arc): Remove state_alts argument. All callers updated.
14543 (output_reserved_units_table): Emit #ifdef here...
14544 (output_tables): ...not here. Don't generate state_alts tables.
14545 (expand_automata): Don't generate attributes.
14546 (write_automata): Don't generate state_alts functions.
14547 (main): New function.
14548 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14549 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14550 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14551 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14552 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14553 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14554 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14555 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14557 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14558 * genattrtab.h: Delete file.
14559 * Makefile.in (OBJS-common): Add insn-automata.o.
14560 (insn-automata.o): New rule.
14561 (simple_generated_c): Add insn-automata.c.
14562 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14563 (genprogmd): Add automata.
14564 (build/genattrtab): Needs no extra objects nor libraries.
14565 (build/genautomata): Needs build/vec.o and -lm.
14567 2006-01-22 Zack Weinberg <zackw@panix.com>
14569 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14570 (output_dfa_max_issue_rate, locked_states_num): Delete.
14571 (struct automaton): Add locked_states field.
14572 (output_dead_lock_vect): Save number of locked states in
14573 automaton->locked_states. If it is zero, don't print anything.
14574 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14575 (output_internal_dead_lock_func): Only test the dead_lock_vect
14576 for automata that have locked states.
14577 (output_statistics): Always print the number of locked states for
14578 each automaton. Calculate total number of locked states here.
14579 (write_automata): Don't call output_dfa_max_issue_rate.
14580 * genattrtab.c: Define length_unit_log as a const variable.
14581 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14582 max_insn_queue_index const.
14583 * final.c (length_unit_log): Declare const.
14584 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14586 2006-01-22 Zack Weinberg <zackw@panix.com>
14588 * genautomata.c: Include vec.h, not varray.h.
14589 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14590 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14591 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14592 VEC_* macros operating on appropriately typed vectors, or to
14593 malloced arrays when the size is known in advance. Const-ify
14594 many char* variables and function arguments. No functional changes.
14595 * Makefile.in (build/varray.o): Delete rule.
14596 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14597 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14599 2006-01-22 Zack Weinberg <zackw@panix.com>
14601 * gensupport.c: Define get_insn_name and record_insn_name here.
14602 (read_md_rtx): Call record_insn_name as appropriate.
14603 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14604 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14605 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14607 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14608 (BUILD_VARRAY): Delete.
14609 (genprognormal): Rename genprogmd. Fold in all programs from
14610 genprognoprint; also attrtab.
14611 (build/genattrtab): Just mention genautomata.o and varray.o.
14612 Reorganize a bit, add comments to make the categories clearer.
14614 2006-01-22 Zack Weinberg <zackw@panix.com>
14616 * genconditions.c (condition_table, add_condition): Delete.
14617 (write_conditions): Don't emit n_insn_conditions nor
14618 insn_elision_unavailable. Issue the gcc version #ifdef here,
14619 inside the table, with no #else clause ...
14620 (write_header): ...not here.
14621 (write_writer): New function.
14622 (main): Don't initialize condition_table. Use add_c_test.
14624 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14625 files on the command line.
14626 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14627 Return -1 if there is no entry in the table, don't abort.
14628 (add_c_test, traverse_c_tests): New functions.
14629 * gensupport.h (insn_elision_unavailable, insn_conditions)
14630 (n_insn_conditions): Delete declarations.
14631 (add_c_test, traverse_c_tests): Declare.
14632 * read-rtl.c: Include gensupport.h.
14633 (read_conditions): New function.
14634 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14635 (read_rtx_1): If we get EOF when we were looking for an initial
14636 open paren, return 0. Call read_conditions when appropriate.
14637 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14638 dummy-conditions.o. Eliminate references to insn-conditions.o,
14639 or change them to build/gencondmd.o, as appropriate. Remove
14640 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14641 from $(simple_generated_c). For all files remaining in those
14642 two lists, add insn-conditions.md to the generator command line.
14643 Give insn-constants.h/s-constants their own rules. Add rules
14644 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14645 (build/read-rtl.o): Depend on gensupport.h.
14646 (genprognormal): Include preds.
14647 (genprogearly): Rename genprognoprint; only difference is now that
14648 they don't link with $(BUILD_PRINT).
14649 * dummy-conditions.c: Delete.
14651 2006-01-22 Zack Weinberg <zackw@panix.com>
14653 * genextract.c: Don't include insn-config.h. Do include vec.h.
14654 Declare vectors of int, char, and locstr.
14655 (locstr): New typedef.
14656 (struct extraction): Make all array fields into bare pointers.
14657 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14658 (insn_code_number): Delete.
14659 (accum_extract): New struct.
14660 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14661 (gen_insn): Take insn_code_number as an argument. Use an
14662 accum_extract structure instead of loading data directly into
14663 a struct extraction, and having to know how big it might get.
14664 (walk_rtx): Operate entirely on an accum_extract structure.
14665 (print_path): Avoid unnecessary use of printf.
14666 (print_header): New function, split out of main. Distinguish
14667 more carefully between an unrecognizable insn and an insn that
14668 has the code number of a define_expand.
14669 (main): Pass insn_code_number to gen_insn. Call print_header
14670 only after parsing. Avoid unnecessary use of printf.
14671 * Makefile.in (build/vec.o): New rule.
14672 (build/genextract): Depend on build/vec.o.
14673 (build/genextract.o): Don't depend on insn-config.h.
14675 2006-01-22 Zack Weinberg <zackw@panix.com>
14677 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14678 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14679 practical. Eliminate per-generator-program link rules.
14681 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14683 PR middle-end/24437
14684 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14685 with a call expr to ...
14686 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14688 2006-01-23 Richard Guenther <rguenther@suse.de>
14690 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14691 before make_edge with conditional EDGE_TRUE_VALUE.
14693 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14694 Jan Hubicka <jh@suse.cz>
14695 Richard Guenther <rguenther@suse.de>
14697 PR rtl-optimization/25654
14698 * cfgexpand.c (aggregate_contains_union_type): New function.
14699 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14700 for structure variables that contain a union type.
14702 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14704 * gengtype.c (new_structure): Return the structure.
14705 (create_option): Add an extra "next" argument.
14706 (create_field): New function.
14707 (adjust_field_rtx_def): Use create_option and create_field.
14708 Remove a now-unnecessary call to find_structure.
14709 (adjust_field_tree_def): Likewise.
14710 (note_yacc_type): Remove an unnecessary call to find_structure.
14711 * gengtype.h (new_structure): Return the structure.
14712 (create_option): Add an extra argument.
14713 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14714 (option): Adjust calls to create_option.
14716 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14718 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14720 2006-01-22 Paul Brook <paul@codesourcery.com>
14721 Peter Barada <peter@the-baradas.com>
14723 * config/m68k/m68k.md: Add Coldfire FPU support.
14724 Define FP mode macro and associated attributes.
14725 Use it for float mode patterns.
14726 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14727 (LIBCALL_VALUE): Use m68k_libcall_value.
14728 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14729 (m68k_function_value): Ditto.
14730 (emit_move_sequence): Ditto.
14731 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14732 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14733 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14734 (MULTILIB_EXCEPTIONS): Ditto.
14735 * config/m68k/m68k.opt: Add mcfv4e.
14736 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14737 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14738 (m68k_output_function_prologue): Save ColdFire FPU registers.
14739 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14740 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14741 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14742 ColdFire FPU registers.
14743 (m68k_libcall_value, m68k_function_value): New functions.
14744 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14745 (LIBCALL_VALUE): Use m68k_libcall_value.
14746 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14747 (MASK_COLDFIRE): Add MASK_CFV4E.
14748 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14749 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14750 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14751 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14752 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14753 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14754 * doc/invoke.tex: Document -mcfv4e on m68k.
14756 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14758 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14761 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14764 * c-opts.c (c_common_handle_option): Don't include
14765 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14766 * doc/invoke.texi (C++ Dialect Options): Document that
14767 -Wnon-virtual-dtor is no longer included in -Wall.
14769 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14771 * gcov.c (print_version), gcov-dump.c (print_version),
14772 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14775 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14777 * df-scan.c (problem_SCAN): Added NULL reset function.
14778 (df_scan_reset_blocks): Added code to call reset block function
14779 (df_bb_refs_delete) Fixed comment.
14780 (df_insn_refs_delete): Made tolerant of deleting non existent info
14781 for dataflow problems that need to be reset.
14782 * df-core.c (df_set_blocks): Ditto.
14783 * df.h (struct df_problem): Added reset_fun.
14784 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14785 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14786 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14787 functions to clear out all references to def-use or use-def chains.
14789 2006-01-21 Ben Elliston <bje@au.ibm.com>
14791 * varasm.c (assemble_real): Initialise data array.
14793 2006-01-20 Paul Brook <paul@codesourcery.com>
14795 Merge from csl-arm-branch.
14796 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14797 * config/arm/arm.md (movdi): Force operands[1] to a register
14798 if we have a non-register source.
14799 (*arm_movdi, *movdf_soft_insn): Require that one of the
14800 operands be a register.
14801 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14802 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14804 2006-01-20 DJ Delorie <dj@redhat.com>
14806 * varasm.c (initializer_constant_valid_p): Allow pointers
14807 initialized from integer constants of lesser precision.
14808 (output_constant): Allow non-int-sized pointer modes to be
14809 initialized from integer constants.
14811 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14814 * cppdefault.h (struct default_include): Add multilib flag.
14815 * cppdefault.c (cpp_include_defaults): Set it.
14816 * c.opt (-imultilib): New option.
14817 * c-opts.c (imultilib): New.
14818 (c_common_handle_option): Handle -imultilib.
14819 (c_common_post_options): Likewise.
14820 * c-incpath.c (add_standard_paths, register_include_chains):
14822 * c-incpath.h (register_include_chains): Add extra parameter.
14823 * gcc.c (do_spec_1): Generate -imultilib option.
14824 (The Specs Language): Update %I description.
14825 (process_command): Update copyright notice.
14826 * doc/cppopts.texi (-imultilib): Document.
14827 * doc/invoke.texi (-imultilib): Include in option summary.
14828 (%I): Update specs documentation.
14830 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14832 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14834 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14836 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14839 2006-01-20 Richard Guenther <rguenther@suse.de>
14840 Steven Bosscher <stevenb.gcc@gmail.com>
14842 PR rtl-optimization/24626
14843 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14844 EDGE_TRUE_VALUE if in RTL mode.
14847 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14848 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14850 2006-01-20 Dirk Mueller <dmueller@suse.com>
14853 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14854 instead of a special NOP marker.
14855 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14856 NOP marker handling.
14857 * c-common.h (empty_body_warning): Add forward declaration.
14858 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14859 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14861 2006-01-20 Paul Brook <paul@codesourcery.com>
14863 * Makefile.in (lang_checks): Keep going if mkdir fails.
14865 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14867 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14868 be able to clean out basic block when not necessary.
14869 (df_scan_free): Fixed to properly delete information if df is
14870 unused before calling df_finish.
14871 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14872 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14874 (df_bb_refs_delete): New function.
14875 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14876 * df-core.c (df_set_blocks): Added code to properly clean out
14877 unused blocks if they are not part of the blocks to consider.
14878 Added additional null check.
14879 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14880 be able to clean out basic block when not necessary
14881 * df.h (df_free_bb_function): Ditto.
14882 (df_bb_refs_delete): New function.
14883 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14884 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14885 basic block parameter to be able to clean out basic block when not
14887 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14888 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14889 Fixed to properly delete information if df is unused before
14892 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14894 PR rtl-optimization/25799
14895 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14896 Corrected confluence operator to remove bits from op2 before oring
14897 with op1 rather than removing bits from op1.
14898 (df_ru_transfer_function): Corrected test on wrong bitmap which
14899 caused infinite loop. Both of these problems were introduced in
14900 the dataflow rewrite.
14902 2006-01-19 DJ Delorie <dj@redhat.com>
14904 * reload1.c (find_reload_regs): Note the details of reload
14905 failures in the dump file.
14906 (spill_failure): Likewise.
14908 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14910 * loop-iv.c: Include df.h and hashtab.h.
14911 (enum iv_grd_result): New enum.
14912 (DF_REF_IV, DF_REF_IV_SET): New macros.
14913 (struct biv_entry): New.
14914 (df, bivs): New global variables.
14915 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
14916 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
14918 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
14919 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
14920 analyzed_for_bivness_p, record_biv): New functions.
14921 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14922 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14923 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14925 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14927 (iv_number_of_iterations): Use new interface to iv analysis.
14928 * loop-unroll.c: Do not include varray.h.
14929 (analyze_iv_to_split_insn): Use new interface to iv
14931 * loop-unswitch.c (may_unswitch_on): Ditto.
14932 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14934 (df_bb_modify): Realloc tables to the new index.
14935 (df_find_use): New function.
14936 * df.h (df_find_use): Declare.
14937 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14939 * cfgloop.h (struct rtx_iv): Remove analysed field.
14940 (iv_get_reaching_def): Removed.
14941 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14942 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14943 (loop-iv.o): Add df.h and hashtab.h dependency.
14944 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14946 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14949 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14951 (__floatundisf, __floatundidf): Likewise.
14952 * libgcc2.h (IS_IBM_EXTENDED): Define.
14954 2006-01-19 DJ Delorie <dj@redhat.com>
14956 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14958 2006-01-19 Paul Brook <paul@codesourcery.com>
14960 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14961 as nothrow when unwinding tables are disabled.
14963 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14966 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14967 of bit-field" when in system header.
14969 2006-01-19 DJ Delorie <dj@redhat.com>
14971 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14972 the 16 bit shift limit of the m16c.
14974 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14977 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14978 * config/i386/i386.c (output_set_got): Output the label if we have one
14979 for the TARGET_DEEP_BRANCH_PREDICTION case.
14981 2006-01-19 Jan Hubicka <jh@suse.cz>
14982 H.J. Lu <hongjiu.lu@intel.com>
14983 Evandro Menezes <evandro.menezes@amd.com>
14985 * invoke.texi (generic): Document
14987 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
14988 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
14989 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
14990 (x86_use_incdec, x86_pad_returns): New variables
14991 (TARGET_CPU_DEFAULT_generic): New constant
14992 (TARGET_CPU_DEFAULT_NAMES): Add generic.
14993 (enum processor_type): Add generic32 and generic64.
14994 * i386.md (cpu attribute): Add generic32/generic64
14995 (movhi splitter): Behave sanely when both partial_reg_dependency and
14996 partial_reg_stall are set.
14997 (K8 splitters): Enable for generic as well.
14998 * predicates.md (incdec_operand): Use TARGET_INCDEC
14999 (aligned_operand): Avoid memory mismatch stalls.
15000 * athlon.md: Enable for generic64, new patterns for 128bit moves.
15001 * ppro.md: Enable for generic32
15002 * i386.c (generic64_cost, generic32_cost): New.
15003 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
15004 (x86_use_leave): Enable for generic64. (x86_use_sahf,
15005 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
15006 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
15007 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
15008 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
15009 x86_partial_reg_dependency, x86_memory_mismatch_stall,
15010 x86_accumulate_outgoing_args, x86_prologue_using_move,
15011 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
15012 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
15013 Enable for generic.
15014 (x86_use_incdec, x86_pad_returns): New.
15015 (override_options): Add generic32 and generic64, translate "generic"
15016 to generic32/generic64 and "i686" to "generic32", refuse
15017 "generic32"/"generic64" as arch target.
15018 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
15019 (ix86_reorg): Honor PAD_RETURNS.
15021 2006-01-19 Diego Novillo <dnovillo@redhat.com>
15023 * tree-pretty-print.c (dump_generic_node): Handle
15024 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15025 * cgraph.c (cgraph_expand_queue): Rename from
15026 cgraph_analyze_queue. Update all users.
15027 * cgraphunit.c (cgraph_assemble_pending_functions): Process
15028 cgraph_expand_queue.
15029 (cgraph_expand_all_functions): Likewise.
15030 (cgraph_finalize_pending_functions): Remove. Update callers.
15032 * tree.h (OMP_DIRECTIVE_P): Define.
15033 (OMP_PARALLEL_FN): Define.
15034 (OMP_PARALLEL_DATA_ARG): Define.
15035 (OMP_SECTIONS_SECTIONS): Define.
15036 * tree-pass.h (pass_expand_omp): Declare.
15037 * omp-low.c (struct omp_region): Declare.
15038 (struct omp_context): Remove fields 'parallel_type',
15039 'parallel_start_ix' and 'parallel_start_additional_args'.
15041 (struct omp_for_data): Rename from struct expand_omp_for_data.
15042 (omp_regions): New static variable.
15043 (root_omp_region): New static variable.
15044 (find_omp_clause): Make static.
15045 (is_in_combined_parallel_ctx): Remove.
15046 (is_combined_parallel): New.
15047 (extract_omp_for_data): Move earlier in the file.
15048 (workshare_safe_to_combine_p): New.
15049 (get_ws_args_for): New.
15050 (determine_parallel_type): Move earlier in the file.
15051 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
15053 (omp_copy_decl): Likewise.
15054 (create_omp_child_function): Likewise.
15055 (lookup_omp_region): New.
15056 (dump_omp_region): New.
15057 (debug_omp_region): New.
15058 (debug_all_omp_regions): New.
15059 (new_omp_region): New.
15060 (scan_omp_parallel): If parallel_nesting_level > 1, the
15061 directive is nested within another parallel directive.
15062 Set OMP_PARALLEL_FN.
15063 (scan_omp_for): Do not try to handle combined parallel+for
15065 Remove FIXME comment.
15066 (scan_omp_nested): Remove.
15067 (scan_omp_1): Do not call scan_omp_nested when
15068 parallel_nesting_level is > 1.
15069 Do not change the DECL_CONTEXT of local variables found.
15070 (lookup_decl_in_outer_ctx): New.
15071 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
15072 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
15073 (lower_reduction_clauses): Rename from expand_reduction_clauses.
15074 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
15075 If CTX is nested, lookup VAR in the outer context when
15076 building copy assignment.
15077 (lower_send_clauses): Rename from expand_send_clauses.
15078 If CTX is nested, lookup VAR in the outer context when
15079 building copy assignments.
15080 (lower_send_shared_vars): Rename from expand_send_shared_vars.
15081 If CTX is nested, lookup VAR in the outer context when
15082 building copy assignments.
15083 (expand_parallel_call): Rename from build_parallel_call.
15084 Handle combined parallel+workshare cases.
15085 Re-implement to emit code into the CFG.
15087 (expand_omp_parallel): Re-implement to emit code into the CFG.
15088 Call move_sese_region_to_fn to outline the sub-graph
15089 containing the parallel region.
15090 (expand_omp_for_1): Remove.
15091 (expand_omp_for_generic): Re-implement to emit code into the
15093 (expand_omp_for_static_nochunk): Likewise.
15094 (expand_omp_for_static_chunk): Likewise.
15095 (expand_omp_for): Likewise.
15096 (expand_omp_sections): Likewise.
15097 (remove_exit_barriers): New.
15098 (expand_omp_synch): New.
15100 (build_omp_regions_1): New.
15101 (build_omp_regions): New.
15102 (execute_expand_omp): New.
15103 (gate_expand_omp): New.
15104 (pass_expand_omp): Define.
15105 (lower_omp_sections): Rename from expand_omp_sections.
15106 Set OMP_SECTIONS_SECTIONS.
15107 (lower_omp_single_simple): Rename from expand_omp_single_simple.
15108 (lower_omp_single_copy): Rename from expand_omp_single_copy.
15109 (lower_omp_single): Rename from expand_omp_simple.
15110 (lower_omp_master): Rename from expand_omp_master.
15111 (lower_omp_ordered): Rename from expand_omp_ordered.
15112 (lower_omp_critical): Rename from expand_omp_critical.
15113 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
15114 (lower_omp_for): Re-implement.
15115 (lower_omp_parallel): Re-implement.
15116 (lower_regimplify): Rename from expand_regimplify.
15117 (lower_omp_1): Rename from expand_omp_1.
15118 If there are syntax errors in the program, replace every
15119 OpenMP directive with NOP.
15120 Call lower_omp_* instead of expand_omp_*.
15121 (lower_omp): Rename from expand_omp.
15123 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15124 * tree-gimple.h (enum omp_parallel_type): Remove.
15125 (gimple_boolify): Declare extern.
15126 (find_omp_clause, determine_parallel_type): Remove.
15128 * gimple-low.c (lower_omp_directive): New.
15129 (lower_stmt): Call it.
15130 (record_vars_into): Move from ...
15131 (record_vars): ... here.
15132 Call record_vars_into with current_function_decl.
15134 * gimplify.c (struct gimplify_ctx): Remove fields
15135 combined_pre_p and combined_ctxp. Update users.
15136 (get_formal_tmp_var): Add documentation.
15137 (gimple_boolify): Make extern.
15138 (gimplify_expr_in_ctx): Remove. Update callers.
15139 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15140 will always be a BIND_EXPR.
15141 (gimplify_expr): Handle OMP_RETURN_EXPR.
15142 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15143 (OMP_PARALLEL): Add 3 operands.
15144 (OMP_SECTIONS): Add 1 operand.
15145 (OMP_RETURN_EXPR): Define.
15147 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15148 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15149 * tree-iterator.c (alloc_stmt_list): Assert that we are not
15150 creating a circular free list.
15151 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15153 * tree-flow.h (move_sese_region_to_fn): Declare.
15154 (record_vars_into): Declare.
15155 * tree-cfg.c (make_omp_sections_edges): New.
15156 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15157 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15158 OMP_SECTIONS and OMP_SECTION.
15159 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15160 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15161 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15162 (gather_blocks_in_sese_region): New.
15163 (struct move_stmt_d): Declare.
15164 (move_stmt_r): New.
15165 (move_block_to_fn): New.
15166 (move_sese_region_to_fn): New.
15168 * passes.c (init_optimization_passes): Schedule
15169 pass_expand_omp after pass_init_datastructures.
15171 * tree-ssa-operands.c (get_expr_operands): Handle
15172 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15173 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15175 2006-01-19 Jeff Law <law@redhat.com>
15177 * tree-vrp.c (extract_range_from_assert): Refine the result range
15178 if the variable referenced by the ASSERT_EXPR has a range and
15179 either the tentative result range or the previous range is a
15182 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15184 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15186 2006-01-19 Jan Hubicka <jh@suse.cz>
15188 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15190 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
15192 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15193 (expand_compound_operation, expand_field_assignment): Fail if the
15194 bit lengths of an extract operation are out of range.
15195 (make_extraction): Compute wanted_inner_mode based on the position
15196 and length of the extraction. Make it extraction_mode for non-constant
15197 positions, and do not modify offset in that case. When generating a
15198 new MEM, use a mode that can hold the extraction while keeping correct
15199 alignment. Remove code that supported MEMs wrapped by USEs.
15200 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15202 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
15204 * config/s390/s390.md ("Y", "y"): New mode attribute.
15205 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15206 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15207 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15208 "*addsi3_imm_cc", "*addsi3_carry1_cc",
15209 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15210 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15211 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15212 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15213 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15214 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15215 "addsi3", "subsi3"): Insn patterns removed.
15216 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15217 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15218 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15219 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15220 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15221 "*sub<mode>3_cconly2"): New insn patterns.
15222 ("addsi3", "subsi3"): New expanders.
15224 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15226 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15227 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15228 existing STMT_VINFO_VECTYPE if available.
15229 (vect_mark_relevant): Add special handling for stmts that are
15230 marked as STMT_VINFO_IN_PATTERN_P.
15231 (vect_analyze_loop): Call vect_pattern_recog.
15232 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15233 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15235 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15236 (vect_recog_func_ptr): New function-pointer type.
15237 * tree-vect-patterns.c: New file.
15238 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15239 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15240 (vect_pattern_recog_1): New functions.
15241 (vect_pattern_recog_funcs): New array of function pointers.
15243 * tree-vectorizer.h (ternary_op): New enum value.
15244 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15245 declaration. Revised documentation. Removed redundant dump prints.
15246 Removed redundant argument. Added support for reduction patterns.
15247 (vectorizable_reduction): Added support for reduction patterns.
15248 (vect_transform_stmt): Added support for patterns.
15250 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15251 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15252 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15253 (expand_widen_pattern_expr): New function.
15254 (init_optabs): Initialize new optabs udot_prod_optab,
15256 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15257 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15258 (expand_widen_pattern_expr): New function declaration.
15259 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15261 * tree-inline.c (estimate_num_insns_1): Added cases for new
15262 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15263 * tree-pretty-print.c (dump_generic_node): Likewise.
15264 (op_prio): Likewise.
15265 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15266 * tree-ssa-operands.c (get_expr_operands): Added case for
15268 * tree-vect-patterns.c (widened_name_p): New function.
15269 (vect_recog_dot_prod_pattern): Added function implementation.
15270 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15271 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15272 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15273 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15275 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15276 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15277 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15278 (init_optabs): Initialize new optabs widen_ssum_optab,
15280 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15281 (widen_ssum_optab, widen_usum_optab): Define new optabs.
15282 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15283 use instead of type of def.
15284 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15285 function implementation.
15286 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15287 widen_ssumv8hi): New.
15289 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15292 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15295 * c-decl.c (add_flexible_array_elts_to_size): New function.
15296 (finish_decl): Use it.
15298 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
15300 * diagnostic.h: Include options.h.
15301 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15302 dependancies for diagnostic.h.
15303 * Makefile.in (DIAGNOSTIC_H): Add options.h.
15305 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
15307 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15308 (ssa_ro_call_cache_valid): Ditto.
15309 * tree-ssa-alias.c (sort_tags_by_id): New function.
15310 (init_transitive_clobber_worklist): Ditto.
15311 (add_to_worklist): Ditto.
15312 (mark_aliases_call_clobbered): Ditto.
15313 (compute_tag_properties): Ditto.
15314 (set_initial_properties): Ditto.
15315 (compute_call_clobbered): Ditto.
15316 (compute_may_aliases): Call compute_call_clobbered and grouping.
15317 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15318 (compute_flow_insensitive_aliasing): Grouping now happens in our
15320 (setup_pointers_and_addressables): Remove clobbering related code.
15321 (add_may_alias): Ditto.
15322 (replace_may_alias): Ditto.
15323 (get_nmt_for): Ditto.
15324 (create_global_var):
15325 (is_escape_site): Return an escape_type enumeration.
15326 * tree-flow-inline.h (is_call_clobbered): Global var does not
15327 imply call clobbered.
15328 (mark_call_clobbered): Take a reason for marking this. Remove
15329 marking of globalness, and cache invalidation.
15330 (clear_call_clobbered): Remove cache invalidation code.
15331 * tree-dfa.c (dump_variable): If details is on, dump the reason
15333 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15335 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15336 (struct var_ann_d): Ditto.
15337 (enum escape_type): New.
15338 (mark_call_clobbered): Adjust prototype.
15339 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15340 are never call clobbered.
15341 Record reasons for escaping.
15342 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15343 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15344 (ssa_ro_call_cache_valid): Ditto.
15345 (clobbered_v_may_defs): Ditto.
15346 (clobbered_vuses): Ditto.
15347 (ro_call_vuses): Ditto.
15348 (clobber_stats): New.
15349 (init_ssa_operands): Zero out clobber stats.
15350 (fini_ssa_operands): Print out clobber stats.
15351 (get_call_expr_operands): Pass callee fndecl to
15352 add_call_read_ops).
15353 (add_call_clobber_ops): Remove use of cache.
15354 Add use of PURE_CONST information.
15355 (add_call_read_ops): Remove use of cache.
15356 Add use of static not_read information.
15358 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15360 Introduce TLS descriptors for i386 and x86_64.
15361 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15362 (TARGET_ANY_GNU_TLS): New macro.
15363 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15364 (struct machine_function): Add tls_descriptor_call_expanded_p.
15365 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15366 (ix86_current_function_calls_tls_descriptor): Likewise.
15367 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15368 (override_options): Introduce gnu2 tls dialect.
15369 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15371 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15373 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15374 (ix86_init_machine_status): Initialize new field.
15375 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15376 (ix86_tls_module_base): New.
15377 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15378 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15379 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15380 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15381 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15382 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15383 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15384 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15385 * config/i386/predicates.md (tls_modbase_operand): New.
15386 (tp_or_register_operand): New.
15388 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15390 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15391 (look_for_address_of): Ditto.
15392 (ipa_init): Walk the function decls.
15393 (static_execute): Don't set readonly on FUNCTION_DECL's.
15395 2006-01-18 Roger Sayle <roger@eyesopen.com>
15397 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15398 for shifts where the source and destination registers are different.
15400 2006-01-18 Paul Brook <paul@codesourcery.com>
15402 Merge from csl-arm-branch.
15403 2005-03-14 Julian Brown <julian@codesourcery.com>
15404 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15405 (aeabi_llsl): Likewise.
15406 (ashrdi3): Likewise.
15407 (aeabi_lasr): Likewise.
15408 (lshrdi3): Likewise.
15409 (aeabi_llsr): Likewise.
15410 2005-03-10 Julian Brown <julian@codesourcery.com>
15411 * config.gcc: Disable shared libgcc for SymbianOS.
15412 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15414 2006-01-18 DJ Delorie <dj@redhat.com>
15416 * c-pragma.c (handle_pragma_diagnostic): New.
15417 (init_pragma): Register it.
15418 * doc/extend.texi: Document it.
15420 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15421 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15422 (diagnostic_context): Add classify_diagnostic[].
15423 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15424 as errors if they're overridden to DK_WARNING.
15425 (diagnostic_initialize): Initialize classify_diagnostic[].
15426 (diagnostic_set_kind_override): New.
15427 (diagnostic_report_diagnostic): Check for kind changes.
15428 * opts.c (common_handle_option): Take lang_mask. Update callers.
15429 Handle OPT_Werror_.
15430 * common.opt (Werror=): New.
15431 * doc/invoke.texi: Document -Werror=*
15433 2006-01-18 Jeff Law <law@redhat.com>
15435 * tree-vrp.c (test_for_singularity): Correct test for new
15436 min limit. Use operand_equal_p rather than pointer equality
15437 for testing if new min/max values are equal.
15439 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15440 using range information until after propagation and folding.
15442 2006-01-18 Richard Henderson <rth@redhat.com>
15443 Aldy Hernandez <aldyh@redhat.com>
15444 Jakub Jelinek <jakub@redhat.com>
15445 Diego Novillo <dnovillo@redhat.com>
15447 * omp-low.c: New file.
15448 * c-omp.c: New file.
15450 2006-01-18 Richard Henderson <rth@redhat.com>
15451 Jakub Jelinek <jakub@redhat.com>
15452 Diego Novillo <dnovillo@redhat.com>
15454 * doc/invoke.texi: Document -fopenmp.
15455 * tree-dump.h (debug_function): Declare.
15456 * hooks.c (hook_bool_tree_bool_false): New function.
15457 (hook_tree_tree_null): Remove.
15458 (hook_tree_tree_tree_null): New.
15459 * hooks.h: Update to match.
15460 * tree-pretty-print.c (debug_tree_chain): New.
15461 (print_generic_expr): Handle TDF_CHAIN.
15462 (dump_generic_node): Handle BLOCK.
15463 Do not abort with incomplete SWITCH_EXPRs.
15464 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15465 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15466 print space after directive name.
15467 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15468 Handle OMP_MASTER and OMP_ORDERED.
15469 Handle printing of OMP_BODY just in one place, goto
15470 dump_omp_body in the rest of OMP_* nodes that have
15472 Don't handle clause nodes here. Update omp statements to
15473 use dump_omp_clauses.
15474 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15475 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15476 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15477 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15478 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15479 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15480 Adjust output for GOMP_PARALLEL.
15481 (dump_omp_clauses): New.
15482 (print_declaration): Dump DECL_VALUE_EXPR.
15483 (op_symbol_1): Split out of op_symbol.
15484 (dumping_stmts): Remove. Update all users.
15485 * cgraph.c (cgraph_analyze_queue): New.
15486 (cgraph_add_new_function): New.
15487 * cgraph.h (cgraph_analyze_queue): Declare.
15488 (cgraph_add_new_function): Declare.
15489 (cgraph_lower_function): Remove.
15490 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15491 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15492 and TYPE_P nodes in its default clause.
15493 (empty_body_p): New.
15494 (tree_range_check_failed): New.
15495 (build5_stat): New.
15496 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15497 OMP_CLAUSE_REDUCTION_MERGE,
15498 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15499 OMP_CLAUSE_PRIVATE_DEBUG,
15500 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15501 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15502 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15503 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15504 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15505 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15506 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15507 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15508 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15509 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15510 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15511 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15512 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15513 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15514 (TREE_RANGE_CHECK): New.
15515 (empty_body_p): Declare.
15516 (enum omp_clause_default_kind): New.
15517 (build_string_literal): Declare.
15518 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15519 (build5_stat, build5): Declare.
15520 * tree-pass.h (TDF_CHAIN): Define.
15521 * tree-pass.h (PROP_gimple_lomp): Define.
15522 (pass_lower_omp): Declare.
15523 * diagnostic.h (debug_tree_chain): Declare.
15524 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15526 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15527 * builtins.c (build_string_literal): Make extern.
15528 * gcc.c (include_spec_function): New.
15529 (static_spec_functions): Add it.
15530 (main): Move load of libgomp.spec ...
15531 (LINK_COMMAND_SPEC): ... here.
15532 (link_gomp_spec): New.
15533 (static_specs): Include it.
15534 (LINK_COMMAND_SPEC): Add link_gomp.
15535 (GOMP_SELF_SPECS): New.
15536 (driver_self_specs): Include it.
15537 (switch_matches): Don't mark inline.
15538 (main): Load libgomp.spec.
15539 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15540 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15541 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15542 * tree-gimple.h (enum omp_parallel): Declare.
15543 (determine_parallel_type): Declare.
15544 (omp_firstprivatize_variable): Declare.
15545 (omp_reduction_init): Declare.
15546 (diagnose_omp_structured_block_errors): Declare.
15547 (struct walk_stmt_info): Add want_return_expr.
15548 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15549 (find_omp_clause): Declare.
15550 (insert_field_into_struct): Declare.
15551 (struct walk_stmt_info): Move from tree-nested.c
15552 (walk_stmts): Declare.
15553 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15555 * cgraphunit.c (cgraph_lower_function): Make static.
15556 (cgraph_finalize_pending_functions): New.
15557 (cgraph_finalize_function): Call it.
15558 (cgraph_finalize_compilation_unit): Likewise.
15559 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15560 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15561 (BT_FN_UINT_UINT): New.
15562 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15563 DEF_FUNCTION_TYPE_VAR_4): Document.
15564 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15565 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15566 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15567 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15568 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15569 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15570 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15571 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15572 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15573 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15574 into separate files.
15575 (DEF_GOMP_BUILTIN): New.
15576 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15577 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15578 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15579 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15580 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15581 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15582 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15583 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15584 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15585 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15586 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15587 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15588 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15589 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15590 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15591 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15592 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15593 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15594 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15595 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15596 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15597 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15598 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15599 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15600 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15601 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15602 * sync-builtins.def: New file, moved from builtins.def.
15603 * omp-builtins.def: New file, moved from builtins.def.
15604 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15605 * gimple-low.c (lower_function_body): Clear data.
15606 (lower_stmt): Do not handle COMPOUND_EXPR.
15607 Remove call to print_node_brief.
15608 * c-tree.h (c_finish_omp_clauses): New prototype.
15609 (C_DECL_THREADPRIVATE_P): Define.
15610 (lookup_name_no_remap, c_omp_remap_private): Remove
15611 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15612 (check_for_loop_decls): Update decl.
15613 (lookup_name_no_remap, c_omp_remap_private): Declare.
15614 (build_indirect_ref, build_modify_expr, pushdecl,
15615 pushdecl_top_level): Move to c-common.h.
15616 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15617 before the switch, but just in the 2 places that need it.
15618 * c-decl.c (diagnose_mismatched_decls): Do not check for
15619 mismatched thread-local attributes when OLDDECL is marked
15620 threadprivate and NEWDECL has no thread-local attributes.
15621 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15622 (c_gimple_diagnostics_recursively): Rename from
15623 c_warn_unused_result_recursively. Invoke
15624 diagnose_omp_structured_block_errors.
15625 (check_for_loop_decls): Return a singular decl found.
15626 * langhooks.c (lhd_omp_predetermined_sharing): Return
15627 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15628 (lhd_omp_firstprivatize_type_sizes): New.
15629 (lhd_omp_assignment): New.
15630 (lhd_omp_predetermined_sharing): New.
15631 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15632 (struct lang_hooks_for_types): Add
15633 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15634 omp_predetermined_sharing, omp_disregard_value_expr,
15635 omp_private_debug_clause, omp_clause_default_ctor,
15636 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15637 (c_finish_omp_clauses): New.
15638 (c_finish_bc_stmt): Diagnose break within omp for.
15639 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15640 (build_unary_op): Return error_mark after reporting
15642 (build_modify_expr): Likewise.
15643 * gimplify.c: Include optabs.h and pointer-set.h.
15644 (enum gimplify_omp_var_data): Declare.
15645 (struct gimplify_omp_ctx): Declare.
15646 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15648 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15649 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15650 (splay_tree_compare_decl_uid): New.
15651 (new_omp_context): New.
15652 (delete_omp_context): New.
15653 (gimple_add_tmp_var): Call omp_add_variable.
15654 (gimplify_bind_expr): Likewise.
15655 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15656 true, disregard DECL_VALUE_EXPR on the decl if any.
15657 (gimplify_expr_in_ctx): New.
15658 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15659 omp_add_variable, omp_notice_variable, omp_is_private
15660 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15661 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15662 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15663 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15664 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15665 gimplify_omp_atomic): New.
15666 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15667 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15668 OMP_CRITICAL and OMP_ATOMIC.
15669 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15670 * c-pragma.h (enum pragma_kind): Add
15671 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15672 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15673 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15674 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15675 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15676 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15677 PRAGMA_OMP_THREADPRIVATE.
15678 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15679 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15680 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15681 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15682 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15683 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15684 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15685 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15686 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15687 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15688 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15689 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15690 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15692 (struct nesting_info): Add field_map,
15693 suppress_expansion, debug_var_chain.
15694 (create_nesting_tree): Initialize them.
15695 (lookup_field_for_decl): Use field_map.
15696 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15697 (convert_local_omp_clauses): New.
15698 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15699 (walk_body): Split out of walk_function.
15700 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15701 (convert_nonlocal_reference): Handle omp statements.
15702 (convert_local_reference): Likewise.
15703 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15704 (unnest_nesting_tree): New.
15705 (lower_nested_functions): Call it.
15706 (insert_field_into_struct): Make extern.
15707 (struct walk_stmt_info): Move to tree-gimple.h.
15708 (walk_stmts): Make extern.
15709 * omp-builtins.def: New file.
15710 * tree-iterator.c (expr_only): Clarify comment.
15711 * c-common.h (pushdecl_top_level, pushdecl,
15712 build_modify_expr, build_indirect_ref,
15713 c_finish_omp_master, c_finish_omp_critical,
15714 c_finish_omp_ordered, c_finish_omp_barrier,
15715 c_finish_omp_atomic, c_finish_omp_flush,
15716 c_finish_omp_for, c_split_parallel_clauses,
15717 omp_clause_default_kind, c_omp_sharing_predetermined,
15718 c_omp_remap_decl): Declare.
15719 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15720 (OBJS-common): Add omp-low.o.
15721 (c-omp.o, omp-low.o): Add.
15722 (gimplify.o): Add dependency on $(OPTABS_H).
15723 (GTFILES): Add omp-low.c.
15724 (gt-stringpool.h): Add.
15725 * tree-cfg.c (set_bb_for_stmt): Do not update the
15726 block-to-labels map if we are currently expanding to RTL.
15727 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15729 Handle IDENTIFIER_NODE.
15730 (tree_verify_flow_info): Do not ICE when emitting error
15731 messages about invalid labels.
15732 (dump_function_to_file): Reset CFUN before emitting the body
15734 (debug_function): New.
15735 * passes.c (init_optimization_passes): Schedule
15737 * langhooks-def.h (lhd_omp_predetermined_sharing,
15738 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15740 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15741 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15742 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15743 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15744 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15745 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15746 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15747 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15748 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15749 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15750 (LANG_HOOK_DECLS): Use them.
15752 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15753 Richard Henderson <rth@redhat.com>
15754 Jakub Jelinek <jakub@redhat.com>
15755 Diego Novillo <dnovillo@redhat.com>
15757 * c-parser.c (pragma_omp_clause): Define.
15758 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15759 (c_parser_compound_statement): Likewise.
15760 (c_parser_statement): Likewise.
15761 (c_parser_pragma): Handle omp pragmas.
15762 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15763 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15764 (c_parser_omp_clause_name, check_no_duplicate_clause,
15765 c_parser_omp_variable_list,
15766 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15767 c_parser_omp_clause_copyprivate,
15768 c_parser_omp_clause_default,
15769 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15770 c_parser_omp_clause_lastprivate,
15771 c_parser_omp_clause_nowait,
15772 c_parser_omp_clause_num_threads,
15773 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15774 c_parser_omp_clause_reduction,
15775 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15776 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15777 c_parser_omp_atomic, c_parser_omp_barrier,
15778 c_parser_omp_critical, c_parser_omp_flush,
15779 c_parser_omp_for_loop, c_parser_omp_for,
15780 c_parser_omp_master, c_parser_omp_ordered,
15781 c_parser_omp_sections_scope, c_parser_omp_sections,
15782 c_parser_omp_parallel, c_parser_omp_single,
15783 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15784 * c-pragma.c (init_pragma): Do omp pragma registration here.
15785 * c.opt (fopenmp): New flag.
15787 2006-01-18 Eric Christopher <echristo@apple.com>
15789 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15790 * config/darwin.h (GOMP_SELF_SPECS): Define.
15792 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15794 * rtl.h: Remove the prototype for reg_alloc.
15796 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15799 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15800 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15801 sjlj and dwarf2 exception handling.
15802 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15803 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15804 * pa/pa.c (function_value): Treat complex and vector types as
15806 (function_arg): Likewise. Only pass scalar floats in the floating
15807 point argument registers.
15808 * pa/t-slibgcc-dwarf-ver: New file.
15809 * pa/t-slibgcc-sjlj-ver: New file.
15810 * pa/t-slibgcc-elf-ver: Delete file.
15812 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15814 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15815 unlikely_test_section_p test.
15817 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15819 * mode-switching.c (optimize_mode_switching): Make it static.
15820 * basic-block.h: Remove the prototype for
15821 optimize_mode_switching.
15823 * modulo-sched.c (sms_schedule): Make it static.
15824 * rtl.h: Remove the prototype for sms_schedule.
15826 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15827 * rtl.h: Remove the prototype for gcse_after_reload_main.
15829 * reg-stack.c (reg_to_stack): Make it static.
15830 * rtl.h: Remove the prototype for reg_to_stack.
15832 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15834 * rtl.h: Remove the prototypes for regrename_optimize and
15835 copyprop_hardreg_forward.
15837 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15839 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15840 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15841 Test against the appropriate null constant for the mode.
15842 If 'fixup_overlap' is true, swap the operands if they overlap.
15843 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15844 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15845 alpha_split_tmode_pair and adjust for above change.
15846 * config/alpha/alpha.md (movtf_internal): Adjust call to
15847 alpha_split_tfmode_pair and rely on it to swap the operands.
15848 (movti_internal): New insn and post-reload splitter.
15849 (movti): New expander.
15851 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15853 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15856 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15858 * rtlanal.c (global_reg_mentioned_p_1,
15859 global_reg_mentioned_p): Remove.
15860 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15862 * flow.c (initialize_uninitialized_subregs): Make it static.
15863 * rtl.h: Remove the prototype for
15864 initialize_uninitialized_subregs.
15866 * function.c (instantiate_virtual_regs): Make it static.
15867 * function.h: Remove the prototype for
15868 instantiate_virtual_regs.
15870 * regmove.c (regmove_optimize, combine_stack_adjustments):
15872 * rtl.h: Remove the prototypes for regmove_optimize and
15873 combine_stack_adjustments.
15875 2006-01-17 Roger Sayle <roger@eyesopen.com>
15877 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15878 (size_cost): Encode costs in bytes so that a reg-reg addition is
15879 equivalent to COSTS_N_INSNS(1).
15880 (override_options): Use the size_cost.branch_cost as the default
15881 ix86_branch_cost when optimizing for size.
15883 2006-01-18 Ben Elliston <bje@au.ibm.com>
15885 * Makefile.in (D32PBIT_FUNCS): New.
15886 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15887 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15888 D64PBIT_FUNCS and D128PBIT_FUNCS.
15889 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15890 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15892 (decnumber_dep): Define.
15893 * doc/libgcc.texi (Decimal float library routines): New node.
15894 * config/dfp-bit.h, config/dfp-bit.c: New files.
15896 2006-01-18 Ben Elliston <bje@au.ibm.com>
15898 * expr.c (emit_move_change_mode): Always adjust addresses, not
15899 just during reload. Copy replacements only during reload.
15900 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
15901 emit_move_via_integer.
15903 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
15905 * Makefile.in (check-%, check-consistency): Use $${srcdir}
15906 instead of $(srcdir) and ${srcdir}.
15908 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
15911 PR middle-end/11135
15912 * arm.h (struct machine_function): Add pic_reg.
15913 * arm.c (arm_pic_register): Make unsigned.
15914 (arm_override_options): Only set arm_pic_register if
15915 TARGET_SINGLE_PIC_BASE.
15916 (use_return_insn): Only test for a pic register if it is fixed.
15917 (arm_compute_save_reg0_reg12_mask): Likewise.
15918 (thumb_compute_save_reg_mask): Likewise.
15919 (legitimate_pic_operand): Factor out some known invariants.
15920 (legitimize_pic_address): If we don't have a fixed pic register,
15921 then set up a pseudo in the function entry sequence. Handle the
15922 pic base being in a pseudo.
15923 (arm_load_pic_register): Handle the pic register being in a pseudo.
15924 (arm_expand_prologue): Only set up the pic register if it is fixed.
15925 (thumb_expand_prologue): Likewise.
15926 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15927 (pic_load_addr_based_insn): Likewise.
15928 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15931 2006-01-18 Ben Elliston <bje@au.ibm.com>
15933 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15934 decimal float modes for all floating point registers.
15936 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15937 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15939 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15942 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15943 even when the pointer is not NULL.
15945 2006-01-16 Ian Lance Taylor <ian@airs.com>
15947 * common.opt (ftoplevel-reorder): New option.
15948 * cgraph.c (cgraph_asm_nodes): New global variable.
15949 (cgraph_asm_last_node): New static variable.
15950 (cgraph_order): New global variable.
15951 (cgraph_create_node): Set new order field.
15952 (cgraph_varpool_node): Likewise.
15953 (decide_is_variable_needed): Return true if not
15954 flag_toplevel_reorder.
15955 (cgraph_add_asm_node): New function.
15956 * cgraph.h (struct cgraph_node): Add order field.
15957 (struct cgraph_varpool_node): Add order field.
15958 (struct cgraph_asm_node): Define.
15959 (cgraph_asm_nodes, cgraph_order): Declare.
15960 (cgraph_add_asm_node): Declare.
15961 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15963 (cgraph_varpool_assemble_pending_decls): Call it.
15964 (cgraph_output_pending_asms): New static function.
15965 (cgraph_finalize_compilation_unit): Call it.
15966 (struct cgraph_order_sort): Define.
15967 (cgraph_output_in_order): New static function.
15968 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15969 !flag_toplevel_reorder case.
15970 * c-parser.c: Include "cgraph.h".
15971 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
15973 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15974 than -fno-unit-at-a-time.
15975 * doc/invoke.texi (Option Summary): Mention
15976 -fno-toplevel-reorder.
15977 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15978 -funit-at-a-time documentation.
15980 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
15981 Kazu Hirata <kazu@codesourcery.com>
15983 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
15985 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
15987 * Makefile.in (FUNCTION_H): New. Use it instead of
15988 function.h throughout the file.
15989 * function.h: Include tree.h.
15991 2006-01-17 Ben Elliston <bje@au.ibm.com>
15993 * recog.c: Separate some functions with whitespace.
15995 2006-01-16 Richard Henderson <rth@redhat.com>
15997 Merge from gomp branch:
15998 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
15999 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
16000 and rename from struct inline_data. Rename callee* to dst*;
16001 caller* to src*; add copy_decl hook, transform_call_graph_edges,
16002 transform_new_cfg, transform_return_to_modify, and
16003 transform_lang_insert_block flags; remove cloning_p, versioning_p,
16005 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
16006 (copy_decl_for_dup): Remove.
16007 * tree-inline.c (struct inline_data): Move to header.
16008 (insert_decl_map): Export.
16009 (remap_decl): Update for member name changes. Use copy_decl hook.
16010 Allow for replacement to be a non-decl. Remove dead code.
16011 (remap_type_1): Check for existing mapping.
16012 (remap_type): Export.
16013 (remap_decls): Update for member name changes.
16014 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
16015 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
16016 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
16017 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
16018 (tree_function_versioning, build_duplicate_type): Likewise.
16019 (copy_body_r): Likewise. Export.
16020 (copy_decl_for_dup): Split into ...
16021 (copy_decl_for_dup_finish, copy_decl_to_var,
16022 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16023 (replace_ref_tree, inlining_p): Remove.
16025 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16027 * ifcvt.c (if_convert): Make it static.
16028 * rtl.h: Remove the prototype for if_convert.
16030 * local-alloc.c (local_alloc): Make it static.
16031 * rtl.h: Remove the prototype for local_alloc.
16033 * loop.c (loop_optimize): Make it static.
16034 * cfgloop.h: Remove the prototype for loop_optimize.
16037 2006-01-16 DJ Delorie <dj@redhat.com>
16039 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16042 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16044 * pa.md: Disparage copies between general and floating-point registers
16045 in 32-bit move patterns.
16047 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
16050 * Makefile.in (check-%): Depend on site.exp instead of
16051 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
16054 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16056 * global.c (global_alloc): Make it static.
16057 * rtl.h: Remove the prototype for global_alloc.
16059 2006-01-16 Richard Guenther <rguenther@suse.de>
16061 * tree-ssa-alias.c (struct used_part): Add write_only field.
16062 (get_or_create_used_part_for): Initialize it to true.
16063 (create_overlap_variables_for): Don't create structure variables
16064 for structures that only are written to.
16065 (find_used_portions): Handle MODIFY_EXPR to track whether a
16066 structure is only written to.
16068 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16070 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
16072 * basic-block.h: Remove the prototype for
16073 partition_hot_cold_basic_blocks.
16075 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
16077 * cppspec.c (lang_specific_spec_functions): Remove.
16078 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
16079 * gcc.h (lang_specific_spec_functions): Remove.
16080 * gccspec.c (lang_specific_spec_functions): Remove.
16082 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
16084 * combine.c (record_value_for_reg): Invalidate registers
16086 (record_dead_and_set_regs_1): Likewise, by passing them to
16087 record_value_for_reg.
16088 (record_dead_and_set_regs): Invalidate stores made by a
16089 call. We do not combine across a call, but we still
16090 relied on equivalences.
16092 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16094 * tree-vrp.c (extract_range_from_binary_expr): Cope with
16095 vrp_int_const_binop returning non-constant nodes.
16097 2006-01-16 Paul Brook <paul@codesourcery.com>
16099 * config/m68k/m68k.c (output_move_const_into_data_reg):
16100 Output correct mnemonic for mvz and mvs.
16102 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
16104 * rtl-factoring.c: Add sequence abstraction algorithm.
16105 * cfgcleanup.c (outgoing_edges_match): Extra checks.
16106 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16108 (block_has_preserve_label): New function.
16109 * common.opt: Register new pass.
16110 * Makefile.in: Ditto.
16112 * timevar.def: Ditto.
16113 * tree-pass.h: Ditto.
16114 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16115 * rtl.h (make_jump_insn_raw): Add forward decl.
16116 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
16118 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16119 Roger Sayle <roger@eyesopen.com>
16121 * fold-const.c (fold_minmax): New static function.
16122 (fold_binary) <MIN_EXPR>: Call it.
16123 <MAX_EXPR>: Likewise.
16124 * stor-layout.c (place_field): Use DECL_SIZE consistently
16125 in the computation of the new record size.
16127 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16129 * cse.c (cse_condition_code_reg): Make it static.
16130 * rtl.h: Remove the prototype for cse_condition_code_reg.
16132 * combine.c (combine_instructions): Make it static.
16133 * rtl.h: Remove the prototype for combine_instructions.
16135 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16138 * tree.c (get_file_function_name_long): Concatenate the first global
16139 object name with a string derived from the input filename of the object
16142 2006-01-16 Ben Elliston <bje@au.ibm.com>
16144 * config/i386/winnt-stubs.c: Update FSF address.
16145 * config/xtensa/ieee754-df.S: Ditto.
16146 * config/xtensa/ieee754-sf.S: Ditto.
16148 2006-01-14 Ian Lance Taylor <ian@airs.com>
16150 * ifcvt.c (noce_init_if_info): New static function, broken out of
16151 noce_process_if_block.
16152 (noce_process_if_block): Call noce_init_if_info.
16153 (check_cond_move_block): New static function.
16154 (cond_move_process_if_block): New static function.
16155 (process_if_block): Call cond_move_process_if_block.
16157 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
16159 * cselib.c (hash_table): Rename to cselib_hash_table.
16160 (cselib_clear_table, discard_useless_values,
16161 remove_useless_values, cselib_lookup_mem, cselib_lookup,
16162 cselib_init, cselib_finish): Adjust uses of hash_table.
16164 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
16166 PR tree-optimization/25485
16167 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16168 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16169 is known to be false and true, respectively.
16171 2006-01-14 Richard Guenther <rguenther@suse.de>
16173 PR tree-optimization/22548
16174 PR tree-optimization/22555
16175 PR tree-optimization/22501
16176 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16177 * params.def (salias-max-array-elements): New parameter.
16178 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16179 * doc/invoke.texi (salias-max-array-elements): Document.
16180 * tree-flow-inline.h (var_can_have_subvars): We also handle
16182 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16184 * tree-ssa-structalias.c (params.h): Include.
16185 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16186 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16187 (get_constraint_for): For ADDR_EXPR operating on something
16188 containing an ARRAY_REF, add all subvars to the solution.
16189 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16190 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16191 for creating MUST_DEFs.
16192 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16194 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16196 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16198 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16199 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16200 number_of_iterations_le): New functions.
16201 (number_of_iterations_special): Removed.
16202 (number_of_iterations_exit): Do not use number_of_iterations_special.
16203 * tree.c (unsigned_type_for): Always return integer type.
16205 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
16206 Richard Guenther <rguenther@suse.de>
16208 PR rtl-optimization/24257
16209 * gcse.c (find_moveable_store): Only consider a store movable
16210 when the SET_SRC of the insn can be assigned to a register.
16212 2006-01-14 Ian Lance Taylor <ian@airs.com>
16214 * tree.c (tree_not_class_check_failed): New function.
16215 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16216 (tree_not_class_check_failed): Declare.
16218 2006-01-13 Ian Lance Taylor <ian@airs.com>
16220 * reload1.c (do_output_reload): Add assertion rejecting a
16223 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16225 * combine.c (struct reg_stat): Add new fields truncation_label and
16227 (record_value_for_reg): Reset truncated_to_mode.
16228 (record_truncated_value): New function.
16229 (check_promoted_subreg): Call it. Rename to check_conversions.
16230 (combine_instructions): Rename check_promoted_subreg to
16232 (reg_truncated_to_mode): New function.
16233 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16234 (gen_lowpart_or_truncate): New function.
16235 (force_to_mode): Use it instead of gen_lowpart.
16237 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16239 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16240 VAR is a tag, not its type tag.
16242 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16244 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16245 alternatives to match style of other entries.
16246 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16248 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16250 PR tree-optimization/25771
16251 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16254 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16257 * tree-inline.c (declare_return_variable): If the return variable
16258 was marked as a non gimple complex, set the return slot variable
16259 to be a non gimple comple variable.
16261 2006-01-13 Richard Guenther <rguenther@suse.de>
16263 * builtins.c (expand_builtin_sincos): New function.
16264 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16266 (expand_builtin): Expand sincos using expand_builtin_sincos.
16268 2006-01-12 DJ Delorie <dj@redhat.com>
16270 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16271 shift counts, separate SI shifts for m32c vs m16c, pass shift type
16272 so that constant shifts can be split.
16273 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16274 (m32c_valid_pointer_mode): Make static.
16275 (shift_gen_func_for): New.
16276 (m32c_prepare_shift): Use it. Split large const shifts into
16278 * config/m32c/predicates.md (shiftcount_operand): Allow more
16280 (longshiftcount_operand): New.
16281 * doc/md.texi (Machine Constraints): Document In6.
16283 2006-01-13 Ben Elliston <bje@au.ibm.com>
16285 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16286 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16289 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
16291 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16292 to try to avoid clobbering pieces of structures when we know
16293 something about the whole structure.
16294 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16296 2006-01-13 Ben Elliston <bje@au.ibm.com>
16298 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16299 return in memory, as this is no limitation is no longer present.
16301 2006-01-12 DJ Delorie <dj@redhat.com>
16303 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16304 mova with fb, and for fb+0 -> An.
16306 * config/m32c/mov.md (peephole2): Fix enabling logic.
16308 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16309 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16310 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16311 FINI_ARRAY_SECTION_ASM_OP): Define.
16313 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16315 (m32c_legitimize_reload_address): New logic to reload FB to An.
16316 (m32c_output_reg_push): Add newline.
16317 (m32c_output_reg_pop): Likewise.
16319 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16321 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16323 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16325 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16327 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16329 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16332 2006-01-11 Ben Elliston <bje@au.ibm.com>
16334 * rtlanal.c (find_reg_note): Assert insn is not null.
16336 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16338 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16341 2006-01-11 Jeff Law <law@redhat.com>
16343 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16345 (mark_threaded_blocks, register_jump_thread): New functions.
16346 (thread_through_all_blocks): Remove unwanted argument. No
16347 longer rely on e->aux to communicate thread target info.
16348 Call mark_threaded_blocks. Release the threaded_blocks
16349 bitmap and threaded_edges vector when complete.
16350 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16351 (threaded_blocks): Remove.
16352 (tree_ssa_dominator_optimize): Remove initialization and
16353 finalization of threaded_blocks. Simplify call to
16354 thread_through_all_blocks.
16355 (thread_across_edge): Call register_jump_thread rather than
16356 storing thread information into e->aux.
16357 (free_all_edge_infos): Simplify now that e->aux is no longer
16358 used to communicate with thread_through_all_blocks.
16359 * tree-flow.h (thread_through_all_blocks): Update prototype.
16360 (register_jump_thread): Prototype.
16362 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16364 * df-core.c (df_compact_blocks, df_bb_replace): Use
16365 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16367 2006-01-11 Richard Guenther <rguenther@suse.de>
16369 PR tree-optimization/25734
16370 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16371 stop propagation after successful propagation to the LHS.
16373 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16375 * basic-block.h (control_flow_graph): Change the type of
16376 x_basic_block_info to VEC(basic_block,gc) *.
16377 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16379 (SET_BASIC_BLOCK): New.
16380 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16381 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16382 * cfgbuild.c (find_basic_blocks): Likewise.
16383 * cfglayout.c (fixup_reorder_chain): Likewise.
16384 * cfgrtl.c (create_basic_block_structure,
16385 rtl_create_basic_block): Likewise.
16386 * ifcvt.c (find_if_case_1): Likewise.
16387 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16390 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16392 * Makefile.in: Removed rotted odf.c entry.
16394 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16397 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16398 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16399 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16400 output pattern modifier, not %e.
16401 * config/cris/cris.c (cris_op_str): Update comment about pattern
16403 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16404 before falling through into...
16405 <case 'E'>: Redefined from old 'e' case.
16407 2006-01-11 Jan Hubicka <jh@suse.cz>
16410 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16412 2006-01-11 Jan Hubicka <jh@suse.cz>
16414 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16415 * i386.c (x86_decompose_lea): Kill.
16416 (ix86_rtx_costs): Kill.
16418 2006-01-11 Jan Hubicka <jh@suse.cz>
16420 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16421 * cgraph.h (cgraph_node): Add inline_decl.
16422 (cgraph_insert_node_to_hashtable): Declare.
16423 (save_inline_function_body): Declare.
16424 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16426 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16427 (cgraph_function_versioning): Update call of tree_function_versioning.
16428 (save_inline_function_body): New function.
16429 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16430 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16431 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16432 (cgraph_default_inline_p): Likewise.
16433 (cgraph_decide_inlining_incrementally): Likewise.
16434 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16435 (copy_bb): Kill saving; do updating of clones.
16436 (copy_cfg_body): Kill saving.
16437 (initialize_inlined-parameters): Likewise.
16438 (expand_call_inline): Likewise.
16440 (tree_function_versioning): New parameter "update_clones".
16441 (inlining_p): Kill saving.
16442 * tree-inline.h (tree_function_versioning): Update prototype.
16443 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16446 2006-01-11 Ian Lance Taylor <ian@airs.com>
16448 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16449 Allow undoing set of machine mode.
16450 (do_SUBST): Use enums instead of is_int.
16451 (do_SUBST_MODE): New function.
16452 (SUBST_MODE): New macro.
16453 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16454 reg and trying to replace reg_regno_rtx with a new register.
16455 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16456 (simplify_set): Use SUBST_MODE.
16457 (distribute_notes): Remove code that tried to update reg notes
16458 for regno_reg_rtx changes.
16460 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16462 PR tree-optimization/23109
16463 PR tree-optimization/23948
16464 PR tree-optimization/24123
16466 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16467 * tree-cfg.c (single_noncomplex_succ): New.
16468 * tree-flow.h (single_noncomplex_succ): Declare it.
16469 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16470 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16471 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16472 insert_bb, register_division_in, insert_reciprocals,
16473 replace_reciprocal, free_bb): New.
16474 (execute_cse_reciprocals_1): Rewritten.
16475 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16476 Do not commit any edge insertion. Always compute dominators and
16477 create the allocation pool.
16478 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16479 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16480 * targhooks.c (default_min_divistions_for_recip_mul): New.
16481 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16482 * passes.c (init_optimization_passes): Run recip after tree loop
16484 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16486 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16487 Kenneth Zadeck <zadeck@naturalbridge.com>
16489 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16490 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16491 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16492 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16493 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16494 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16495 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16496 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16497 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16498 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16499 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16500 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16501 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16502 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16503 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16504 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16505 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16506 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16507 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16508 DF_SCAN_POST_ALLOC): New macros.
16509 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16510 df_free_bb_function, df_local_compute_function, df_init_function,
16511 df_dataflow_function, df_confluence_function_0,
16512 df_confluence_function_n, df_transfer_function,
16513 df_finalizer_function, df_free_function, df_dump_problem_function,
16514 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16515 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16516 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16517 df_urec_bb_info, ) New types.
16518 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16520 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16521 df_analyze_simple_change_some_blocks,
16522 df_analyze_simple_change_one_block, df_compact_blocks,
16523 df_bb_replace, df_bb_regno_last_use_find,
16524 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16525 df_insn_regno_def_p, df_find_def, df_find_use,
16526 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16527 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16528 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16529 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16530 debug_df_chain, df_get_dependent_problem, df_chain_create,
16531 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16532 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16533 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16534 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16535 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16536 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16537 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16538 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16539 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16540 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16541 df_reorganize_refs, df_set_state, df_hard_reg_init,
16542 df_read_modify_subreg_p) New public functions.
16543 * df-core.c: The core dataflow solver and glue routines for rtl
16545 (df_init, df_add_problem, df_set_blocks, df_finish,
16546 df_hybrid_search_forward, df_hybrid_search_backward,
16547 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16548 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16549 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16550 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16551 df_reg_defined, df_find_use, df_reg_used, df_dump,
16552 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16553 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16554 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16555 debug_df_useno, reset_df_after_reload): New functions.
16556 * df-scan.c: The scanning fuctions, once in df.c, completely
16557 rewritten so that they now fully model the functionality of
16558 register usage at the backend.
16559 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16560 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16561 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16562 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16563 df_get_artificial_defs, df_get_artificial_uses,
16564 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16565 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16566 df_refs_delete, df_reorganize_refs, df_set_state,
16567 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16568 df_def_record_1, df_defs_record, df_uses_record,
16569 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16570 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16571 df_record_exit_block_uses, df_hard_reg_init): New functions.
16573 * df-problems.c: Seven concrete dataflow problems that use the
16574 scanning in df-scan.c and are solved by the engine in df-core.c.
16575 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16576 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16577 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16578 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16579 df_ru_free_bb_info, df_ru_alloc,
16580 df_ru_bb_local_compute_process_def,
16581 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16582 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16583 df_ru_transfer_function, df_ru_free, df_ru_dump,
16584 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16585 df_rd_free_bb_info, df_rd_alloc,
16586 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16587 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16588 df_rd_transfer_function, df_rd_free, df_rd_dump,
16589 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16590 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16591 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16592 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16593 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16594 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16595 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16596 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16597 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16598 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16599 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16600 df_urec_mark_reg_use_for_earlyclobber,
16601 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16602 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16603 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16604 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16605 df_chain_create_bb_process_use, df_chain_create_bb,
16606 df_chain_finalize, df_chain_free, df_chains_dump,
16607 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16608 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16609 df_reg_lifetime): New functions.
16610 * df.c: Deleted file.
16611 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16612 consistent with new df api.
16613 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16614 rest_of_handle_sms): Ditto.
16615 * web.c (unionfind_union, union_defs, entry_register, web_main):
16617 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16618 invariant_expr_equal_p, find_defs, check_dependencies,
16619 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16620 free_inv_motion_data, move_loop_invariants): Ditto.
16621 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16622 Update dependencies.
16623 (odf.c): Added defective entry that was deleted later in day.
16624 * sched-deps.c (sched_analyze_1): Ditto.
16626 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16628 * tree-ssa-operands.c (get_expr_operands): Record addressable
16629 variables directly. Do not call add_stmt_operands for CONST_DECLs
16631 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16632 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16634 2006-01-11 Ben Elliston <bje@au.ibm.com>
16636 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16637 function returns true in the positive case.
16639 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16642 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16643 for SI, DI, SF and DF modes. Add alternatives to copy between
16644 general and floating point registers to the 32-bit patterns.
16645 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16646 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16647 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16648 generating 64-bit code.
16649 * config/pa/pa.c (output_move_double): Handle copies between general
16650 and floating registers.
16652 2006-01-10 Stuart Hastings <stuart@apple.com>
16654 * config/i386/i386.md (set_got): Update.
16655 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16656 (builtin_setjmp_receiver): Mach-O support.
16657 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16658 (GOT_SYMBOL_NAME): Define.
16659 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16660 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16661 * config/i386/i386.c (override_options): Revise for Darwin.
16662 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16663 support. (darwin_x86_file_end): New. (output_set_got): Add label
16664 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16665 * config/i386/i386-protos.h (output_set_got): Likewise.
16666 * config/darwin.c (machopic_legitimize_pic_address): Update
16669 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16671 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16672 when MODE isn't BLKmode.
16674 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16676 PR rtl-optimization/25367
16677 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16679 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16682 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16683 for a negative bound.
16685 2006-01-10 Richard Guenther <rguenther@suse.de>
16687 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16688 Never override with anything constraint.
16690 2006-01-10 Jan Beulich <jbeulich@novell.com>
16692 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16693 256 bits when optimize_size.
16695 2006-01-10 Jan Beulich <jbeulich@novell.com>
16697 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16699 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16700 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16703 2006-01-10 Ben Elliston <bje@au.ibm.com>
16705 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16707 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16708 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16709 (USE_FP_FOR_ARG): Reject decimal float modes.
16710 (function_arg_advance): Likewise.
16711 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16712 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16713 point types in AltiVec vectors.
16714 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16715 (rs6000_libcall_value): Likewise.
16717 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16719 * config/xtensa/ieee754-df.S: New file.
16720 * config/xtensa/ieee754-sf.S: New file.
16721 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16722 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16723 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16725 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16727 * config/sh/predicates.md (binary_float_operator,
16728 binary_logical_operator, commutative_float_operator,
16729 equality_comparison_operator, greater_comparison_operator,
16730 less_comparison_operator, logical_operator,
16731 noncommutative_float_operator, shift_operator,
16732 symbol_ref_operand, unary_float_operator): Remove redundant
16735 2006-01-09 Jeff Law <law@redhat.com>
16737 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16738 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16739 now unused arguments. Callers updated.
16740 (eliminate_redundant_computations): Remove now unused arguments,
16742 (local_fold): Remove, no longer used.
16743 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16745 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16746 (simplify_cond): New function.
16747 (forward_propagate_into_cond): Call simplify_cond.
16749 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16751 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16752 (*vec_extractv2di_1_sse): New.
16754 2006-01-09 Ben Elliston <bje@au.ibm.com>
16756 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16758 2006-01-08 Richard Guenther <rguenther@suse.de>
16760 * tree-ssa-structalias.c (get_constraint_for): Remove
16761 anyoffset argument.
16762 (get_constraint_for_component_ref): Likewise.
16763 (do_deref): Likewise.
16764 (get_constraint_for): Likewise.
16765 (do_structure_copy): Likewise.
16766 (handle_ptr_arith): Likewise.
16767 (find_func_aliases): Likewise. Remove unused need_anyoffset
16770 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16771 Kaz Kojima <kkojima@gcc.gnu.org>
16773 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16774 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16775 (EXTRA_CONSTRAINT_C16): Remove.
16776 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16777 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16778 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16779 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16780 constants of SHmedia. Handle nested constant expressions of
16782 (andcosts): Fix the costs for SHmedia constants.
16783 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16784 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16785 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16786 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16787 (movv4hi_i, movv2si_i): Likewise.
16788 (movsi_const): Adjust the second operand of ior so to match with
16789 the Csu constraint.
16790 (movdi_const, movdi_const_32bit): Likewise.
16791 (movdi_const_16bit+1): Don't sign-extend LOW.
16792 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16794 (*double_shori): Fix the split condition. Use GEN_INT instead
16795 of get_int_mode calls. Mask lower 16-bit of the argument of
16797 (sym2GOTPLT): Remove.
16798 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16800 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16801 instead of EXTRA_CONSTRAINT_C16.
16803 2006-01-07 Ian Lance Taylor <ian@airs.com>
16804 David Edelsohn <edelsohn@gnu.org>
16806 PR rtl-optimization/25662
16807 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16808 for constant operands instead of simplify_gen_binary.
16809 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16810 after trying simplify_binary_operation
16812 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16814 * tree.c (iterative_hash_expr): Hash decls based on UID.
16816 2006-01-06 Eric Christopher <echristo@apple.com>
16818 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16819 (TARGET_UNWIND_EMIT): Fix spelling.
16820 * target.h (gcc_target): Add except_table_label.
16821 * except.c (output_function_exception_table): Use.
16822 * varasm.c (default_emit_except_table_label): New.
16823 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16825 (asm_out): Add here.
16826 * output.h (default_emit_except_table_label): Prototype.
16827 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16828 * config/darwin.c (darwin_emit_except_table_label): Define.
16829 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16831 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16833 PR tree-optimization/18527
16834 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16835 number_of_iterations_special, number_of_iterations_exit):
16836 Move base and step of an iv to a single structure. Add
16837 no_overflow flag, and use it in # of iterations analysis.
16838 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16839 folded_casts argument.
16840 (simple_iv): Pass base and step in a structure. Set no_overflow
16842 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16843 Evaluate expensiveness of computing # of iterations instead of
16844 the final expression.
16845 * tree-scalar-evolution.h (affine_iv): New structure.
16846 (simple_iv): Declaration changed.
16847 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16848 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16849 find_givs_in_stmt): Changed due to simple_iv change.
16851 2006-01-06 Jeff Law <law@redhat.com>
16854 * tree-cfg.c (bsi_replace): Rename final argument from
16855 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16856 change (stmt -> orig_stmt).
16857 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16858 (bsi_remove): Add new argument. Remove EH information
16860 (verify_eh_throw_table_statements): New function.
16861 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16863 * tree-optimize.c (execute_free_cfg_annotations): Verify
16864 the EH throw statement table after removing annotations.
16865 * except.h (verify_eh_throw_table_statements): Prototype.
16866 * tree-flow.h (bsi_remove): Update prototype.
16867 * tree-vrp.c (remove_range_assertions): Add new argument to
16869 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16870 * tree-complex.c (expand_complex_div_wide): Likewise.
16871 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16872 * tree-tailcall.c (eliminate_tailcall): Likewise.
16873 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16874 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16875 * tree-nrv.c (tree_nrv): Likewise.
16876 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16877 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16878 (combine_blocks): Likewise.
16879 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16880 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16881 (cleanup_control_flow): Likewise.
16882 (remove_forwarder_block): Likewise.
16883 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16884 * tree-sra.c (sra_replace): Likewise.
16885 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16886 (forward_propagate_single_use_vars): Likewise.
16887 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16888 * tree-inline.c (expand_call_inline): Likewise.
16889 * tree-vect-transform.c (vect_transform_loop): Likewise.
16890 * tree-outof-ssa.c (rewrite_trees): Likewise.
16891 * tree-cfg.c (make_goto_expr_edges): Likewise.
16892 (cleanup_dead_labels): Likewise.
16893 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16894 (bsi_move_before, bsi_move_after): Likewise.
16895 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16896 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
16898 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
16901 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
16903 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
16904 on non gimple variables. Also add checks at the top for decls and
16906 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
16908 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
16909 and IMAGPART_EXPR for creating MUST_DEFs.
16910 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
16911 and NAME_MEMORY_TAG separately from the DECLs.
16913 2006-01-06 Richard Guenther <rguenther@suse.de>
16915 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
16916 annotation, if necessary.
16917 * tree-ssa-pre.c (create_expression_by_pieces): Remove
16918 redundant calls to update_stmt.
16919 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16922 2006-01-05 Richard Henderson <rth@redhat.com>
16924 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16926 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16928 * c-typeck.c: Update copyright date.
16930 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16932 * c-typeck.c (build_c_cast): Always warn when casting
16933 from a pointer to an integer of different size, even if
16934 the node was constant.
16936 2006-01-05 Richard Guenther <rguenther@suse.de>
16938 PR tree-optimization/22555
16939 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16940 if one structure field is an array.
16941 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16942 operands even if we found a subvar, but ignore VOPs in this
16944 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16946 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16948 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16950 PR middle-end/24998
16951 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16953 2006-01-05 Richard Guenther <rguenther@suse.de>
16954 Diego Novillo <dnovillo@redhat.com>
16956 * tree-pass.h (TODO_remove_unused_locals): Define.
16957 * gimple-low.c (expand_var_p, remove_useless_vars,
16958 pass_remove_useless_vars): Remove. Update all users.
16959 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16960 (remove_unused_locals): New function.
16961 * tree-flow.h (remove_unused_locals): Declare.
16962 * passes.c (execute_todo): Call remove_unused_locals if
16963 TODO_remove_unused_locals is set.
16964 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16965 * tree-ssa-dce.c (pass_dce): Likewise.
16966 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16968 2006-01-05 Richard Guenther <rguenther@suse.de>
16970 * tree-flow.h (struct fieldoff): Decompose field to
16971 type, size and decl.
16972 * tree-ssa-alias.c (create_sft): Take type as parameter.
16973 (create_overlap_variables_for): Store type, size and decl
16974 in the fieldoff structure.
16975 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16976 of struct fieldoff.
16977 (push_fields_onto_fieldstack): Likewise.
16978 (create_variable_info_for): Likewise. Use offset for the
16979 SFT name if the decl is not available.
16981 2006-01-04 Paul Brook <paul@codesourcery.com>
16983 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
16985 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
16987 * lambda-code.c (can_put_in_inner_loop): Relax
16989 (can_put_after_inner_loop): New function.
16990 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
16991 (perfect_nestify): Change to make copies and modify uses.
16993 2006-01-04 Richard Henderson <rth@redhat.com>
16995 Merge from gomp branch:
16996 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
16997 via integer constant.
16998 (pragma_lex): Remove.
16999 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
17000 rather than parsing it.
17001 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
17002 handle_pragma_extern_prefix): Add %< %> quotes.
17003 (registered_pragmas): New.
17004 (c_register_pragma_1): New.
17005 (c_register_pragma): Use it.
17006 (c_register_pragma_with_expansion): Likewise.
17007 (c_invoke_pragma_handler): New.
17008 (init_pragma): Use cpp_register_deferred_pragma directly for
17010 * c-pragma.h (enum pragma_kind): New.
17011 (pragma_handler): New.
17012 (c_invoke_pragma_handler): Declare.
17013 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
17015 * c-common.h (c_common_pch_pragma): Update decl.
17016 * Makefile.in (c-parser.o): Update dependencies.
17017 (GTFILES): Add c-pragma.h.
17018 * c-parser.c (struct c_token): Add pragma_kind.
17019 (struct c_parser): Add in_pragma.
17020 (c_lex_one_token): Always initialize keyword and pragma_kind.
17021 Extract data for CPP_PRAGMA.
17022 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17023 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17024 Don't allow CPP_PRAGMA_EOL if in_pragma.
17025 (c_parser_consume_pragma): New.
17026 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17027 (c_parser_skip_to_end_of_parameter): Likewise.
17028 (c_parser_skip_to_end_of_block_or_statement): Likewise.
17029 (c_parser_skip_to_pragma_eol): New.
17030 (c_parser_external_declaration): Handle CPP_PRAGMA.
17031 (c_parser_compound_statement_nostart): Likewise.
17032 (c_parser_statement_after_labels): Likewise.
17033 (c_parser_pragma): New.
17034 (pragma_lex): Likewise.
17035 (c_parser_pragma_pch_preprocess): New.
17036 (c_parser_new): Merge into ...
17037 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
17039 2006-01-04 Jeff Law <law@redhat.com>
17042 * tree-cfg.c (bsi_replace): Remove the original statement
17043 from the EH throw statement table.
17045 2006-01-04 Jakub Jelinek <jakub@redhat.com>
17047 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
17048 make the prototype extern "C" and add throw ().
17051 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
17052 and pos non-negative and pos + len <= 32.
17053 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
17054 drop pos + len < HOST_BITS_PER_WIDE_INT test.
17055 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
17058 * c-common.c (handle_vector_size_attribute): Reject zero vector size
17059 as well as sizes not multiple of component size.
17062 * function.c (instantiate_expr): New function.
17063 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
17064 walk its DECL_VALUE_EXPR with instantiate_expr.
17066 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
17067 DW_OP_deref{,_size} if address isn't going to be added.
17069 2006-01-04 Ben Elliston <bje@au.ibm.com>
17071 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
17072 * config/fp-bit.c: Likewise.
17074 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
17076 * dominance.c: Add comment about why we use DFS numbering
17079 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17080 Richard Henderson <rth@redhat.com>
17082 Merge from gomp-branch:
17083 * varasm.c (assemble_variable): Handle thread-local COMMON data.
17084 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
17086 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
17088 PR rtl-optimization/25578
17089 * combine.c (combine_simplify_rtx, force_to_mode): Don't
17090 pass a parameter to simplify_shift_const if changing ASHIFTRT
17093 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
17095 * builtins.c (get_builtin_sync_mem): New function.
17096 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17097 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17098 Call get_builtin_sync_mem to generate mem rtx.
17100 2006-01-03 Richard Guenther <rguenther@suse.de>
17103 * stmt.c (add_case_node): Make sure to clear overflow flags
17106 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17108 Merge from gomp-branch.
17109 * config/sparc/sync.md: New file.
17110 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17111 UNSPECV_LDSTUB): New constants.
17112 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
17113 * config/sparc/predicates.md (memory_reg_operand): New predicate.
17114 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
17117 2006-01-03 Roger Sayle <roger@eyesopen.com>
17119 * combine.c (reg_subword_p): New predicate to test whether the
17120 destination of a set refers to a subword/piece of a register.
17121 (try_combine): Generalize the code to merge the setting of a
17122 pseudo to a constant followed by a set of a subword of that
17123 register to a constant.
17125 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
17127 * basic-block.h (control_flow_graph): Change the type of
17128 x_label_to_block_map to VEC(basic_block,gc) *.
17129 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17130 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17132 * tree-ssa-propagate.c (cfg_blocks): Change the type to
17133 VEC(basic_block,heap) *.
17134 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17135 ssa_prop_fini): Adjust the uses of cfg_blocks.
17137 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
17139 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17141 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17142 hashing trees instead of a pointer hash.
17143 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17144 compare for MEM_EXPR.
17146 PR rtl-optimization/25130
17147 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17148 when comparing MEMs for GCSE
17150 2006-01-03 Ben Elliston <bje@au.ibm.com>
17152 * targhooks.h (default_decimal_float_supported_p): Declare.
17153 * targhooks.c (default_decimal_float_supported_p): Define.
17154 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17155 `default_decimal_float_supported_p'.
17156 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17158 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
17160 * combine.c (apply_distributive_law <SUBREG>): Check
17161 TRULY_NOOP_TRUNCATION.
17163 2006-01-02 Geoffrey Keating <geoffk@apple.com>
17165 * dwarf2out.c (have_switched_text_section): Delete.
17166 (have_multiple_function_sections): New.
17167 (have_location_lists): Make 'bool'.
17168 (add_AT_loc_list): Use 'true' not '1'.
17169 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17170 (output_loc_list): Use have_multiple_function_sections.
17171 (output_ranges): Likewise.
17172 (dwarf2out_begin_function): Set have_multiple_function_sections if
17174 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17175 Check function_section rather than DECL_SECTION_NAME.
17176 (dwarf2out_finish): Use have_multiple_function_sections.
17177 Don't clear have_location_lists.
17179 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
17180 Jan Hubicka <jh@suse.cz>
17182 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17183 case of conditional jump jumping to the next instruction.
17184 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17185 cases of conditional jump jumping to the next instruction.
17187 2006-01-02 Jan Hubicka <jh@suse.cz>
17189 * i386.c (*_cost): Add COSTS_N_INSNS.
17190 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17192 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
17195 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17197 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17199 * config/arm/arm.c (all_fpus): Fix comment typo.
17200 * config/darwin.c: Likewise.
17201 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17202 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17203 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17205 2006-01-01 David Edelsohn <edelsohn@gnu.org>
17207 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17208 (rs6000_split_compare_and_swapqhi): New.
17209 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17210 (sync_compare_and_swapqhi_internal): New.
17211 * config/rs6000/rs6000-protos.h: Declare.