1 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3 * toplev.c (compile_file): Call final_write_globals
4 even if there have been errors.
6 2006-10-31 Eric Christopher <echristo@apple.com>
7 Falk Hueffner <falk@debian.org>
9 * doc/extend.texi (__builtin_bswap32): Document.
10 (__builtin_bswap64): Ditto.
11 * doc/libgcc.texi (bswapsi2): Document.
13 * doc/rtl.texi (bswap): Document.
14 * optabs.c (expand_unop): Don't widen a bswap.
15 (init_optabs): Init bswap. Set libfuncs explicitly
16 for bswapsi2 and bswapdi2.
17 * optabs.h (OTI_bswap): New.
19 * genopinit.c (optabs): Handle bswap_optab.
20 * tree.h (tree_index): Add TI_UINT32_TYPE and
22 (uint32_type_node): New.
23 (uint64_type_node): Ditto.
24 * tree.c (build_common_tree_nodes_2): Initialize
25 uint32_type_node and uint64_type_node.
26 * builtins.c (expand_builtin_bswap): New.
27 (expand_builtin): Call.
28 (fold_builtin_bswap): New.
29 (fold_builtin_1): Call.
30 * fold-const.c (tree_expr_nonnegative_p): Return true
32 * builtin-types.def (BT_UINT32): New.
34 (BT_FN_UINT32_UINT32): Ditto.
35 (BT_FN_UINT64_UINT64): Ditto.
36 * builtins.def (BUILT_IN_BSWAP32): New.
37 (BUILT_IN_BSWAP64): Ditto.
38 * rtl.def (BSWAP): New.
39 * genattrtab.c (check_attr_value): New.
40 * libgcc2.c (__bswapSI2): New.
42 * libgcc2.h (__bswapSI2): Declare.
44 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
45 * simplify-rtx.c (simplify_const_unary_operation): Return
47 * libgcc-std.ver (__bwapsi2): Add.
49 * reload1.c (eliminate_regs_1): Add bswap.
50 (elimination_effects): Ditto.
51 * config/i386/i386.h (x86_bswap): New.
53 * config/i386/i386.c (x86_bswap): Set.
55 2006-10-31 Geoffrey Keating <geoffk@apple.com>
57 * coverage.c (coverage_checksum_string): Update comment.
58 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
59 of get_file_function_name.
60 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
61 of get_file_function_name_long.
62 * tree.c (get_file_function_name): Rename from
63 get_file_function_name_long; improve comment; handle 'I' and 'D'
64 specially when the target has ctor/dtor support; remove special
66 (get_file_function_name): Remove.
67 * tree.h (get_file_function_name): Rename from
68 get_file_function_name_long.
69 (get_file_function_name): Remove prototype.
71 2006-10-31 Geoffrey Keating <geoffk@apple.com>
73 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
74 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
76 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
77 Call dsymutil when compiling and linking one or more source files
80 2006-10-31 Geoffrey Keating <geoffk@apple.com>
83 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
85 2006-10-31 Geoffrey Keating <geoffk@apple.com>
87 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
88 inline static functions in c99 mode.
91 * doc/extend.texi (Inline): Update.
92 * c-tree.h (struct language_function): Remove field 'extern_inline'.
93 * c-decl.c (current_extern_inline): Delete.
94 (pop_scope): Adjust test for an undefined nested function.
95 Add warning about undeclared inline function.
96 (diagnose_mismatched_decls): Update comments. Disallow overriding
97 of inline functions in a translation unit in C99. Allow inline
98 declarations in C99 at any time.
99 (merge_decls): Boolize variables. Handle C99 'extern inline'
101 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
102 C99 inline semantics.
103 (start_function): Don't clear current_extern_inline. Don't set
105 (c_push_function_context): Don't push current_extern_inline.
106 (c_pop_function_context): Don't restore current_extern_inline.
109 * c-typeck.c (build_external_ref): Warn about static variables
110 used in extern inline functions.
111 * c-decl.c (start_decl): Warn about static variables declared
112 in extern inline functions.
114 2006-10-31 Roger Sayle <roger@eyesopen.com>
117 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
118 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
119 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
120 or y is an even integer.
122 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
125 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
126 * gthr-posix95.h (__gthread_active_p): Likewise.
128 2006-10-31 Richard Guenther <rguenther@suse.de>
130 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
131 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
132 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
133 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
134 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
135 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
136 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
137 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
140 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
142 * opts.c (decode_options): Disable CSE skip blocks.
144 2006-10-30 Dirk Mueller <dmueller@suse.de>
146 * c-common.h (strict_aliasing_warning): Fix whitespace.
147 * c-decl (start_function): Move code for main decl warning ..
148 * c-common.c (check_main_parameter_types): .. here.
149 * c-common.h (check_main_parameter_types): Declare.
151 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
154 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
156 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
158 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
159 be a PARALLEL containing sets. Return false when out_pat is not
162 2006-10-30 Richard Sandiford <richard@codesourcery.com>
164 * config/mips/mips.md (mul<mode>3): Split into...
165 (mulsi3, muldi3): ...these separate patterns.
167 2006-10-30 Richard Sandiford <richard@codesourcery.com>
169 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
170 but with each set of options separated by spaces.
172 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
174 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
175 dwarf_reg_size_table has been initialized.
177 2006-10-30 Roger Sayle <roger@eyesopen.com>
179 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
180 * ddg.c (print_ddg_edge): Likewise.
181 * dwarf2out.c (prune_unused_types_walk): Likewise.
182 * ifcvt.c (noce_try_cmove_arith): Likewise.
183 * langhooks.c (add_builtin_function): Likewise.
184 * reg-stack.c (subst_stack_regs_pat): Likewise.
185 * tree.c (expanded_location): Likewise.
186 * tree-dump.c (dequeue_and_dump): Likewise.
188 2006-10-30 David Daney <ddaney@avtrex.com>
190 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
192 2006-10-30 Jakub Jelinek <jakub@redhat.com>
194 PR tree-optimization/29637
195 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
196 of the innertype is the innertype itself.
198 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
200 * dwarf2out.c (file_name_acquire): Correct typo.
202 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
204 * tree.h (tree_value_handle): Remove struct value_set declaration.
205 Change value_set to bitmap_set.
206 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
207 * tree-vn.c (get_value_handle): Made inline and moved to
209 * tree-flow-inline.h: (has_stmt_ann): New function.
210 * tree-ssa-pre.c (expressions): New variable.
211 (next_expression_id): Ditto.
212 (alloc_expression_id): New function.
213 (struct value_set): Remove.
214 (get_expression_id): New function.
215 (get_or_alloc_expression_id): Ditto.
216 (expression_for_id): Ditto.
217 (clear_expression_ids): Ditto.
218 (FOR_EACH_EXPR_ID_IN_SET): New macro.
219 (bb_value_sets): Renamed to bb_bitmap_sets.
220 All value sets replaced with bitmap_sets.
222 (BB_VISITED): New macro.
223 (postorder): New variable.
224 (add_to_value): Removed.
225 (value_exists_in_set_bitmap): Ditto.
226 (value_insert_into_set_bitmap): Ditto.
230 (set_contains_value): Ditto.
231 (insert_into_set): Ditto.
233 (find_leader): Ditto.
234 (bitmap_set_subtract_from_value_set): Ditto.
235 (value_insert_into_set): Ditto.
236 (print_value_set): Ditto.
237 (debug_value_set): Ditto.
238 (constant_expr_p): New function.
239 (bitmap_remove_from_set): Ditto.
240 (bitmap_insert_into_set): Ditto.
241 (bitmap_set_free): Ditto.
243 (sorted_array_from_bitmap_set): Ditto.
244 (bitmap_set_subtract): Ditto.
245 (bitmap_set_equal): Ditto.
246 (debug_bitmap_set): Ditto.
247 (find_leader_in_sets): Ditto.
248 (bitmap_set_replace_value): Modify for bitmapped sets.
249 (phi_translate): Ditto.
250 (phi_translate_set): Ditto.
251 (bitmap_find_leader): Ditto.
252 (valid_in_sets): Ditto.
253 (union_contains_value): Ditto.
255 (compute_antic_aux): Ditto. Mark changed blocks.
256 (compute_antic): Ditto. Iterate in postorder and only over
258 (compute_rvuse_and_antic_safe): Reuse postorder.
259 (create_component_ref_by_pieces): Modify for bitmapped sets.
260 (find_or_generate_expression): Ditto.
261 (create_expression_by_pieces): Ditto.
262 (insert_into_preds_of_block): Ditto.
263 (changed_blocks): New variable.
264 (do_regular_insertion): Broken out from insert_aux.
265 (insert_aux): Modified for bitmapped sets.
266 (find_existing_value_expr): New function.
267 (create_value_expr_from): Use it.
268 (insert_extra_phis): Removed.
269 (print_bitmap_set): Renamed from bitmap_print_value_set.
270 (compute_avail): Handle RETURN_EXPR.
271 (init_pre): Modify for bitmapped sets.
272 * tree-flow.h (has_stmt_ann): New function.
274 2006-10-29 Roger Sayle <roger@eyesopen.com>
276 * builtins.c (fold_builtin_floor): Check for the availability of
277 the C99 trunc function before transforming floor into trunc.
279 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
281 * builtins.c (fold_builtin_hypot): Rearrange recursive
282 transformation before others, and also do ABS_EXPR. When
283 necessary, check flag_unsafe_math_optimizations. When necessary,
286 2006-10-29 Roger Sayle <roger@eyesopen.com>
288 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
289 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
290 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
291 Fold -X eq/ne -Y as X eq/ne Y.
293 2006-10-29 Richard Sandiford <richard@codesourcery.com>
295 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
296 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
297 rather than GENERATE_MULT3_SI in the various define_peephole2s.
298 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
299 Use an inclusive test for "mult" rather than "mul".
300 (rotr<mode>3): Depend on ISA_HAS_ROR.
301 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
303 (GENERATE_MULT3_DI): Delete.
304 (ISA_HAS_64BIT_REGS): Use consistent formatting.
305 (ISA_HAS_MUL3): New macro.
306 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
307 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
308 (ISA_HAS_CLZ_CLO): Likewise.
309 (ISA_HAS_DCLZ_DCLO): Delete.
310 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
311 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
312 the VR4120 and VR4130.
313 (ISA_HAS_MACCHI): Use consistent formatting.
314 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
315 (ISA_HAS_ROR): ...this new macro.
316 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
317 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
318 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
320 2006-10-29 Roger Sayle <roger@eyesopen.com>
322 PR tree-optimization/15458
323 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
326 2006-10-29 Richard Guenther <rguenther@suse.de>
328 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
329 (ix86_expand_truncdf_32): Likewise.
330 * config/i386/i386.c (ix86_expand_trunc): New function expanding
331 trunc inline for SSE math and -fno-trapping-math and if not
333 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
334 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
335 for expanding btrunc inline for SSE math.
337 2006-10-29 Joseph Myers <joseph@codesourcery.com>
339 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
340 Handle tuning for bi-arch i[34567]86-*-linux* like that for
341 i[34567]86-*-solaris2.1[0-9]*.
342 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
343 Define conditionally depending on TARGET_64BIT_DEFAULT.
344 (SPEC_32, SPEC_64): Define.
345 (LINK_SPEC): Use them.
346 * doc/install.texi (--enable-targets=all): Document for x86-linux.
348 2006-10-29 Richard Guenther <rguenther@suse.de>
350 * config/i386/i386-protos.h (ix86_expand_round): Declare.
351 (ix86_expand_rounddf_32): Likewise.
352 * config/i386/i386.c (ix86_expand_round): New function expanding
353 round inline for SSE math and -fno-trapping-math and if not
355 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
356 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
357 round via ix86_expand_round.
359 2006-10-29 Richard Guenther <rguenther@suse.de>
361 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
362 (ix86_expand_floorceildf_32): Likewise.
363 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
364 static helper function.
365 (ix86_expand_floorceil): Expander for floor and ceil to SSE
367 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
368 * config/i386/i386.md (floordf2): Adjust to enable floor
369 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
370 -fno-trapping-math is enabled and if not optimizing for size.
371 (floorsf2, ceildf2, ceilsf2): Likewise.
372 * config/i386/sse.md (sse_maskcmpsf3): New insn.
373 (sse2_maskcmpdf3): Likewise.
375 2006-10-29 Richard Guenther <rguenther@suse.de>
377 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
378 rint in case -fno-trapping-math is enabled.
379 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
380 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
381 (ix86_expand_sse_fabs): Likewise.
382 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
383 * config/i386/i386.md (rintdf2): Enable for SSE math if
384 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
387 2006-10-29 Richard Guenther <rguenther@suse.de>
389 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
390 to conversion optabs.
391 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
393 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
394 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
395 (lfloor_optab, lceil_optab): Adjust defines.
396 * builtins.c (expand_builtin_int_roundingfn): Adjust for
397 lfloor and lceil optabs now being conversion optabs.
398 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
399 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
400 New static helper function.
401 (ix86_expand_lfloorceil): New function to expand lfloor and
403 * config/i386/i386.md (lfloor<mode>2): Split into ...
404 (lfloorxf<mode>2): ... x87 variant
405 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
406 using ix86_expand_lfloorceil.
407 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
409 * doc/md.texi (lfloorMN, lceilMN): Document.
411 2006-10-29 Richard Sandiford <richard@codesourcery.com>
413 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
414 -mno-shared assembler option on mips targets.
415 * configure, config.in: Regenerate.
416 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
417 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
418 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
420 2006-10-29 Richard Sandiford <richard@codesourcery.com>
422 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
423 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
425 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
427 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
428 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
431 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
434 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
435 (fold_builtin_pow): Evaluate constant arguments at compile-time
437 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
438 (do_mpfr_ckconv): New helper function.
439 (do_mpfr_arg1): Use do_mpfr_ckconv.
442 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
445 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
446 (-fdump-rtl-sched): Rename to ..
447 (-fdump-rtl-sched1): here. Also fix file extension number.
449 2006-10-28 Richard Guenther <rguenther@suse.de>
451 * fold-const.c (maybe_canonicalize_comparison): Fix code
454 2006-10-28 Uros Bizjak <uros@kss-loka.si>
456 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
457 (NON_QI_REG_P): Use IN_RANGE.
458 (REX_INT_REGNO_P): Use IN_RANGE.
459 (FP_REGNO_P): Use IN_RANGE.
460 (SSE_REGNO_P): Use IN_RANGE.
461 (REX_SSE_REGNO_P): Use IN_RANGE.
462 (MMX_REGNO_P): Use IN_RANGE.
463 (STACK_REGNO_P): New macro.
464 (STACK_REG_P): Use STACK_REGNO_P.
465 (NON_STACK_REG_P): Use STACK_REGNO_P.
466 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
467 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
468 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
469 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
470 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
472 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
474 * except.h (output_function_exception_table): Add 'const char*' param.
475 * except.c (switch_to_exception_section): Add 'const char*' param.
476 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
477 and flag_function_sections is set, use a function-specific section.
478 (output_function_exception_table): Add 'const char*' param.
479 Adjust call to switch_to_exception_section.
480 * final.c (rest_of_handle_final): Adjust calls to
481 output_function_exception_table.
482 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
483 * config.in: Regenerate.
484 * configure: Likewise.
486 2006-10-28 Richard Guenther <rguenther@suse.de>
489 * fold-const.c (maybe_canonicalize_comparison_1): Helper
490 for maybe_canonicalize_comparison.
491 (maybe_canonicalize_comparison): New function for canonicalizing
493 (fold_comparison): Call it to canonicalize comparisons with
496 2006-10-28 Richard Guenther <rguenther@suse.de>
499 * builtins.c (expand_builtin_int_roundingfn_2): Expand
500 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
501 (expand_builtin): Adjust likewise.
502 * genopinit.c (optabs[]): Add lround optab.
503 * optabs.c (init_optabs): Initialize lround_optab.
504 * optabs.h (enum convert_optab_index): Add COI_lround.
505 (lround_optab): Define.
506 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
507 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
509 (ix86_expand_lround): New function.
510 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
512 * doc/md.texi (lroundMN2): Document.
514 2006-10-28 Uros Bizjak <uros@kss-loka.si>
517 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
518 argument to HOST_WIDE_INT. Update function prototype.
519 (round_frame_size): Change return type to HOST_WIDE_INT. Change
520 "size" argument to HOST_WIDE_INT. Update function prototype.
522 2006-10-28 Uros Bizjak <uros@kss-loka.si>
524 * config/i386/i386.c (output_387_ffreep): Create output from a
525 template string for !HAVE_AS_IX86_FFREEP.
527 2006-10-27 Eric Christopher <echristo@apple.com>
529 * config/darwin.c: Fix formatting and grammar.
531 2006-10-27 Jan Hubicka <jh@suse.cz>
533 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
534 to be thrown away soon when IGNORE is set.
535 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
536 indicating when return value shall not be computed.
537 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
539 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
541 * config/i386/i386.h (TARGET_GEODE):
542 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
543 (TARGET_CPU_DEFAULT_geode): New macro.
544 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
545 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
546 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
547 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
548 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
550 (TARGET_CPU_DEFAULT_NAMES): Add geode.
551 (processor_type): Add PROCESSOR_GEODE.
553 * config/i386/i386.md: Include geode.md.
556 * config/i386/i386.c (geode_cost): New initialized global
558 (m_GEODE, m_K6_GEODE): New macros.
559 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
560 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
561 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
562 x86_schedule): Use m_K6_GEODE instead of m_K6.
563 (x86_movx, x86_cmove): Set up m_GEODE.
564 (x86_integer_DFmode_moves): Clear m_GEODE.
565 (processor_target_table): Add entry for geode.
566 (processor_alias_table): Ditto.
568 * config/i386/geode.md: New file.
570 * doc/invoke.texi: Add entry about geode processor.
572 2006-10-27 Mike Stump <mrs@apple.com>
574 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
575 __DYNAMIC__ from here back to ...
576 * config/darwin.h (CPP_SPEC): ... here.
578 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
579 Nathan Sidwell <nathan@codesourcery.com>
581 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
582 when choosing the minimum heapsize.
584 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
586 * gcc/unwind-dw2.h: Move cfa-related variables into
587 struct frame_state_reg_info to ensure that the CFA is properly
588 handled when executing DW_CFA_{remember,restore}_state.
589 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
590 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
591 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
592 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
593 gcc/config/rs6000/linux-unwind.h,
594 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
595 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
596 Modify to use new cfa_* fields.
598 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
600 * config/s390/s390.c (s390_init_frame_layout): Check positive
603 2006-10-26 Ben Elliston <bje@au.ibm.com>
605 * gimplify.c (get_name): Remove extraneous break.
606 (gimplify_omp_for): Initialise ret with GS_OK.
608 2006-10-25 Steve Ellcey <sje@cup.hp.com>
610 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
611 Add unix98.o to link line.
613 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
616 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
617 Calculate compile-time constants using MPFR.
618 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
619 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
621 2006-10-25 Bob Wilson <bob.wilson@acm.org>
623 * config/xtensa/lib2funcs.S: Use C-style comments.
625 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
627 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
628 (file_table_relative_p): Likewise.
629 (dwarf2out_finish): Likewise.
630 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
632 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
634 * tree-ssa-structalias.c (intra_create_variable_infos):
635 Don't recreate nonlocal_all if it already exists.
637 2006-10-25 Richard Guenther <rguenther@suse.de>
640 * optabs.h (enum optab_index): Remove OTI_lrint.
641 (enum convert_optab_index): Add COI_lrint.
642 (lrint_optab): Adjust.
643 (expand_sfix_optab): Declare.
644 * optabs.c (expand_sfix_optab): New function.
645 (init_optabs): Init lrint_optab as conversion optab.
646 * genopinit.c (lrint_optab): Change to a conversion optab.
647 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
648 expansion via conversion optab.
649 * config/i386/i386.md (*fistdi2_1): Remove
650 flag_unsafe_math_optimizations guard.
651 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
652 fist<mode>2_with_temp): Likewise.
653 (lrint<mode>2): Split into...
654 (lrintxf<mode>2): ... x87 part
655 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
656 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
657 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
658 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
659 * doc/md.texi (lrintMN2): Document.
661 2006-10-25 Uros Bizjak <uros@kss-loka.si>
664 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
665 Use inc and dec instructions for TARGET_USE_INCDEC.
666 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
667 ("sync_double_compare_and_swap<mode>"): Likewise.
668 ("*sync_double_compare_and_swapdi_pic"): Likewise.
669 ("*sync_compare_and_swap_cc<mode>"): Likewise.
670 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
671 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
672 ("sync_old_add<mode>"): Likewise.
673 ("sync_lock_test_and_set<mode>"): Likewise.
674 ("sync_lock_test_and_set<mode>"): Likewise.
675 ("sync_add<mode>"): Likewise.
676 ("sync_sub<mode>"): Likewise.
677 ("sync_ior<mode>"): Likewise.
678 ("sync_and<mode>"): Likewise.
679 ("sync_xor<mode>"): Likewise.
681 2006-10-25 Uros Bizjak <uros@kss-loka.si>
683 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
684 (remainder_optab): Define corresponding macro.
685 (drem_optab): Remove.
686 * optabs.c (init_optabs): Initialize remainder_optab. Remove
687 drem_optab initialization.
688 * genopinit.c (optabs): Implement remainder_optab using
689 remainder?f3 patterns. Remove drem_optab.
690 * builtins.c (expand_builtin_mathfn_2): Handle
691 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
692 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
693 expand_builtin_mathfn_2.
695 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
696 depend on flag_unsafe_math_optimizations.
698 * config/i386/i386.md ("remaindersf3", "remainderdf3")
699 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
700 Do not depend on flag_unsafe_math_optimizations. Use
701 truncxf?f expander instead of truncxf?f_i387_noop.
703 ("fpremxf4", "fprem1xf4"): Do not depend on
704 flag_unsafe_math_optimizations.
705 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
706 flag_unsafe_math_optimizations. Use truncxf?f expander
707 instead of truncxf?f_i387_noop.
709 * doc/md.texi (fmod, remainder): Document standard named pattern.
711 2006-10-24 Richard Sandiford <richard@codesourcery.com>
712 David Daney <ddaney@avtrex.com>
715 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
717 2006-10-25 Ben Elliston <bje@au.ibm.com>
719 * doc/extend.texi (Variable Attributes): Typo fix.
721 2006-10-24 Uros Bizjak <uros@kss-loka.si>
723 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
724 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
725 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
726 (FRAME_POINTER_REGNUM): Update register number to 21.
727 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
728 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
730 * config/i386/i386.c (regclass_map): Add fpcr entry.
731 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
733 (print_reg): Assert REGNO (x) != FPCR_REG.
735 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
736 (DIRFLAG_REG): Renumber.
737 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
738 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
739 (sse_prologue_save, *sse_prologue_save_insn): Renumber
740 hardcoded SSE register numbers.
742 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
743 hardcoded MMX register numbers.
745 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
748 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
749 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
751 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
752 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
753 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
754 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
756 2006-10-24 Richard Guenther <rguenther@suse.de>
759 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
760 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
761 for deciding optimizations in consistency with fold-const.c
762 (fold_builtin_unordered_cmp): Likewise.
764 2006-10-24 Richard Guenther <rguenther@suse.de>
766 * builtins.c (fold_builtin_floor): Fold floor (x) where
767 x is nonnegative to trunc (x).
768 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
769 nonnegative to FIX_TRUNC_EXPR.
771 2006-10-24 Richard Guenther <rguenther@suse.de>
773 PR tree-optimization/29567
774 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
775 for TRUTH_NOT_EXPR. Clarify comments.
777 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
780 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
781 at compile-time using MPFR. Change parameter VALUE to FUNC,
783 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
784 for overflow and underflow at all times and avoid folding in
787 2006-10-24 Ben Elliston <bje@au.ibm.com>
789 * reload1.c: Formatting fixes.
791 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
793 PR tree-optimization/14784
794 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
795 * tree-ssa-structalias.c (get_constraint_for,
796 intra_create_variable_infos): Set is_heapvar.
797 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
798 non-heapvar pointer variables specially.
800 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
803 * builtins.c (fold_builtin_sin, fold_builtin_cos,
804 fold_builtin_tan): Fold all constant arguments. Take a "type"
805 argument as necessary.
807 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
809 2006-10-23 Bob Wilson <bob.wilson@acm.org>
811 * config/xtensa/lib1funcs.asm: Use C-style comments.
813 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
815 * tree.c (local_define_builtin): Replace calls to
816 lang_hooks.builtin_function with add_builtin_function.
817 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
819 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
821 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
822 common code to add_builtin_function.
823 * langhooks.c (add_builtin_function): New function.
824 (lhd_builtin_function): New function.
825 * langhooks.h (struct lang_hooks): Change the signature of
827 (add_builtin_function): New function.
828 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
829 calls to lang_hooks.builtin_function with add_builtin_function.
830 * c-common.c (decl_builtin_1): Replace calls to
831 lang_hooks.builtin_function with add_builtin_function.
832 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
833 lang_hooks.builtin_function with add_builtin_function.
834 * config/frv/frv.c (def_builtin): Replace calls to
835 lang_hooks.builtin_function with add_builtin_function.
836 * config/s390/s390.c (s390_init_builtins): Replace calls to
837 lang_hooks.builtin_function with add_builtin_function.
838 * config/sparc/sparc.c (def_builtin): Replace calls to
839 lang_hooks.builtin_function with add_builtin_function.
840 * config/i386/i386.c (def_builtin): Replace calls to
841 lang_hooks.builtin_function with add_builtin_function.
842 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
843 lang_hooks.builtin_function with add_builtin_function.
844 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
845 lang_hooks.builtin_function with add_builtin_function.
846 * config/stormy16/stormy16.c (xstormy16_init_builtins):
847 Replace calls to lang_hooks.builtin_function with
848 add_builtin_function.
849 * config/iq2000/iq2000.c (def_builtin):
850 Replace calls to lang_hooks.builtin_function with
851 add_builtin_function.
852 * config/ia64/ia64.c (def_builtin): Replace calls to
853 lang_hooks.builtin_function with add_builtin_function.
854 * config/rs6000/rs6000.c (def_builtin): Replace calls to
855 lang_hooks.builtin_function with add_builtin_function.
856 (altivec_init_builtins): Replace calls to
857 lang_hooks.builtin_function with add_builtin_function.
858 * config/arm/arm.c (def_mbuiltin): Replace calls to
859 lang_hooks.builtin_function with add_builtin_function.
860 (arm_init_tls_builtins): Replace calls to
861 lang_hooks.builtin_function with add_builtin_function.
862 * config/mips/mips.c (mips_init_builtins): Replace calls to
863 lang_hooks.builtin_function with add_builtin_function.
864 * config/bfin/bfin.c (def_builtin): Replace calls to
865 lang_hooks.builtin_function with add_builtin_function.
866 * langhooks-def.h (lhd_builtin_function): New function.
867 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
869 2006-10-23 Jakub Jelinek <jakub@redhat.com>
871 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
872 BUILT_IN_STRNCAT_CHK.
874 2006-10-23 Jan Hubicka <jh@suse.cz>
876 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
877 don't do conversion from memmove to memcpy here.
878 (expand_builtin_bcopy, expand_builtin): Update call of
879 expand_builtin_memmove.
880 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
882 2006-10-23 Paul Brook <paul@codesourcery.com>
884 * stor-layout.c (start_record_layout): maximum_field_alignment
885 overrides STRUCTURE_SIZE_BOUNDARY.
887 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
889 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
890 nonlocal function symbols if flag_pic.
892 2006-10-23 Richard Guenther <rguenther@suse.de>
896 * builtins.c (fold_binary): Remove checks for flag_wrapv
897 and flag_trapv where negate_expr_p covers these cases.
899 2006-10-23 Richard Guenther <rguenther@suse.de>
902 * fold-const.c (fold_plusminus_mult_expr): Check exact power
903 of two on the absolute value.
904 (fold_binary): Fold x * -C to -x * C if x is easily negatable
905 and negating -C does not overflow.
907 2006-10-23 Richard Guenther <rguenther@suse.de>
910 * convert.c (convert_to_real): Fold (float)-x to -(float)x
911 only if not flag_rounding_math.
913 2006-10-22 Richard Sandiford <richard@codesourcery.com>
914 Kaz Kojima <kkojima@gcc.gnu.org>
917 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
918 SImode memory reference for the source of a movua.
919 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
920 (movua): Use an unspec instead of sign_extract. Expect the source
921 to have mode BLKmode.
922 (extv, insv): Use a BLKmode rather than SImode memory reference
923 for the source of a movua.
925 2006-10-22 Jeff Law <law@redhat.com>
926 Richard Guenther <rguenther@suse.de>
928 PR tree-optimization/15911
929 * tree-vrp.c (extract_code_and_val_from_cond): New function.
930 (register_edge_assert_for_1): Likewise.
931 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
932 (find_conditional_asserts): Adjust for new function signature.
933 (find_assert_locations): Likewise.
935 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
937 * config/i386/tmmintrin.h: Remove the duplicated content.
939 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
941 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
942 (x86_64-*-*): Likewise.
944 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
945 (override_options): Check SSSE3.
946 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
947 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
948 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
949 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
950 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
951 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
952 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
953 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
954 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
955 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
956 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
957 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
958 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
959 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
960 IX86_BUILTIN_PABSD128.
961 (bdesc_2arg): Add SSSE3.
962 (bdesc_1arg): Likewise.
963 (ix86_init_mmx_sse_builtins): Support SSSE3.
964 (ix86_expand_builtin): Likewise.
965 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
967 * config/i386/i386.md (UNSPEC_PSHUFB): New.
968 (UNSPEC_PSIGN): Likewise.
969 (UNSPEC_PALIGNR): Likewise.
970 Include mmx.md before sse.md.
972 * config/i386/i386.opt: Add -mssse3.
974 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
975 (ssse3_phaddwv4hi3): Likewise.
976 (ssse3_phadddv4si3): Likewise.
977 (ssse3_phadddv2si3): Likewise.
978 (ssse3_phaddswv8hi3): Likewise.
979 (ssse3_phaddswv4hi3): Likewise.
980 (ssse3_phsubwv8hi3): Likewise.
981 (ssse3_phsubwv4hi3): Likewise.
982 (ssse3_phsubdv4si3): Likewise.
983 (ssse3_phsubdv2si3): Likewise.
984 (ssse3_phsubswv8hi3): Likewise.
985 (ssse3_phsubswv4hi3): Likewise.
986 (ssse3_pmaddubswv8hi3): Likewise.
987 (ssse3_pmaddubswv4hi3): Likewise.
988 (ssse3_pmulhrswv8hi3): Likewise.
989 (ssse3_pmulhrswv4hi3): Likewise.
990 (ssse3_pshufbv16qi3): Likewise.
991 (ssse3_pshufbv8qi3): Likewise.
992 (ssse3_psign<mode>3): Likewise.
993 (ssse3_psign<mode>3): Likewise.
994 (ssse3_palignrti): Likewise.
995 (ssse3_palignrdi): Likewise.
996 (abs<mode>2): Likewise.
997 (abs<mode>2): Likewise.
999 * config/i386/tmmintrin.h: New file.
1001 * doc/extend.texi: Document SSSE3 built-in functions.
1003 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1005 2006-10-22 Ira Rosen <irar@il.ibm.com>
1007 * tree-vect-transform.c (vectorizable_load): Use the type of the
1008 return value of the mask_for_load builtin to create realign_load
1011 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1013 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
1016 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
1018 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
1019 (UNSPEC_LDDQU): This.
1020 * config/i386/sse.md (sse3_lddqu): Updated.
1022 2006-10-21 Richard Guenther <rguenther@suse.de>
1024 * builtins.c (expand_builtin_int_roundingfn_2): New function.
1025 (expand_builtin): Use it to expand lrint instead of
1026 expand_builtin_mathfn.
1028 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1031 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
1032 flag_unsafe_math_optimizations is set.
1034 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1037 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
1038 patterns to use memory input operand in x87->mem->XMM
1039 reload sequences. Skip transformation for TARGET_K8.
1041 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1043 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
1044 force operand1 to register if both operands are memory operands.
1045 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
1046 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
1047 if both operands are memory operands.
1048 (truncdfsf2): Do not force operand1 to register if both operands
1049 are memory operands.
1051 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1053 * Makefile.in (LIBS): Add $(GMPLIBS).
1054 * doc/install.texi: Update GMP and MPFR requirements.
1055 * doc/sourcebuild.texi (need_gmp): Delete.
1057 2006-10-21 Richard Guenther <rguenther@suse.de>
1059 PR tree-optimization/3511
1060 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1061 got new invariant arguments during PHI translation.
1063 2006-10-21 Richard Guenther <rguenther@suse.de>
1066 * fold-const.c (fold_comparison): Fold signed comparisons
1067 of the form X +- C1 CMP Y +- C2.
1069 2006-10-21 Richard Guenther <rguenther@suse.de>
1072 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1073 if flag_unsafe_math_optimizations is specified. We have
1074 flag_finite_math_only for that.
1075 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1076 or flag_unsafe_math_optimizations.
1078 2006-10-21 Richard Guenther <rguenther@suse.de>
1080 * builtins.c (fold_builtin_classify): Fix typo.
1082 2006-10-21 Richard Guenther <rguenther@suse.de>
1085 * simplify-rtx.c (simplify_const_relational_operation):
1086 Do not constant-fold ORDERED and UNORDERED for
1087 flag_unsafe_math_optimizations but only we do not need to
1088 honor NaNs for the given mode.
1090 2006-10-21 Richard Guenther <rguenther@suse.de>
1093 * config/i386/i386.c (classify_argument): Remove redundant
1094 walking of the BINFOs.
1095 (contains_128bit_aligned_vector_p): Likewise.
1097 2006-10-20 Mark Mitchell <mark@codesourcery.com>
1099 * BASE-VER: Set to 4.3.0.
1101 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
1103 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1104 (tree_decl_with_vis): Remove artificial_pta_var flag.
1105 * tree-flow.h (referenced_var_check_and_insert): Expose.
1106 (nonlocal_all): New prototype.
1107 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1108 (nonlocal_all): Make global.
1109 (nonlocal_lookup): Remove.
1110 (nonlocal_insert): Ditto.
1111 (create_nonlocal_var): Do not call nonlocal_insert.
1112 (get_nonlocal_id_for_type): Remove.
1113 (find_global_initializers): Mark new vars we find for renaming.
1114 (intra_create_variable_infos): Only create one nonlocal.
1115 (expand_nonlocal_solutions): Remove.
1116 (compute_points_to_sets): Don't call it.
1117 (ipa_pta_execute): Ditto.
1118 (init_alias_heapvars): Don't create nonlocal_for_type.
1119 (delete_alias_heapvars): Don't remove it.
1120 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1123 2006-10-19 Brooks Moses <bmoses@stanford.edu>
1125 * doc/install.texi (Downloading GCC): Clarify mention of
1126 Fortran in the "full distribution" description.
1128 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
1130 Fix PR tree-optimization/28778
1131 Fix PR tree-optimization/29156
1132 Fix PR tree-optimization/29415
1133 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1134 (tree_decl_with_vis): Add artificial_pta_var flag.
1135 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1136 pushed into callers.
1137 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1138 (nonlocal_all): Ditto.
1139 (struct variable_info): Add directly_dereferenced member.
1140 (var_escaped_vars): New variable.
1141 (escaped_vars_tree): Ditto.
1142 (escaped_vars_id): Ditto.
1143 (nonlocal_vars_id): Ditto.
1144 (new_var_info): Set directly_dereferenced.
1145 (graph_size): New variable
1146 (build_constraint_graph): Use graph_size.
1147 (solve_graph): Don't process constraints that cannot change the
1148 solution, don't try to propagate an empty solution to our
1150 (process_constraint): Set directly_dereferenced.
1151 (could_have_pointers): New function.
1152 (get_constraint_for_component_ref): Don't process STRING_CST.
1153 (nonlocal_lookup): New function.
1154 (nonlocal_insert): Ditto.
1155 (create_nonlocal_var): Ditto.
1156 (get_nonlocal_id_for_type): Ditto.
1157 (get_constraint_for): Allow results vector to be empty in the case
1158 of string constants.
1159 Handle results of calls properly.
1160 (update_alias_info): Update alias info stats on number and type of
1162 (find_func_aliases): Use could_have_pointers.
1163 (make_constraint_from_escaped): Renamed from
1164 make_constraint_to_anything, and changed to make constraints from
1166 (make_constraint_to_escaped): New function.
1167 (find_global_initializers): Ditto.
1168 (create_variable_info_for): Make constraint from escaped to any
1169 global variable, and from any global variable to the set of
1171 (intra_create_variable_infos): Deal with escaped instead of
1172 pointing to anything.
1173 (set_uids_in_ptset): Do type pruning on directly dereferenced
1175 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1176 (init_base_vars): Fix comment, and initialize escaped_vars.
1177 (need_to_solve): Removed.
1178 (find_escape_constraints): New function.
1179 (expand_nonlocal_solutions): Ditto.
1180 (compute_points_to_sets): Call find_escape_constraints and
1181 expand_nonlocal_solutions.
1182 (delete_points_to_sets): Don't fall off the end of the graph.
1183 (init_alias_heapvars): Initialize nonlocal_for_type and
1185 (delete_alias_heapvars): Free nonlocal_for_type and null out
1188 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1190 * fold-const.c (add_double): Rename to add_double_with_sign.
1191 Add 'unsigned_p' parameter and take it into account for the overflow.
1192 (mul_double): Rename to mul_double_with_sign.
1193 Add 'unsigned_p' parameter and take it into account for the overflow.
1194 (fold_div_compare): Call add_double_with_sign instead of add_double
1195 and mul_double_with_sign instead of mul_double, passing them the
1196 unsignedness of the type.
1197 * tree.h (add_double): Macroize.
1198 (add_double_with_sign): New prototype.
1199 (mul_double): Macroize.
1200 (mul_double_with_sign): New prototype.
1202 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1204 * config/score/crti.asm: New file.
1205 * config/score/crtn.asm: New file.
1206 * config/score/elf.h: New file.
1207 * config/score/mac.md: New file.
1208 * config/score/misc.md: New file.
1209 * config/score/mul-div.S: New file.
1210 * config/score/predicates.md: New file.
1211 * config/score/score7.md: New file.
1212 * config/score/score.c: New file.
1213 * config/score/score-conv.h: New file.
1214 * config/score/score.h: New file.
1215 * config/score/score.md: New file.
1216 * config/score/score-mdaux.c: New file.
1217 * config/score/score-mdaux.h: New file.
1218 * config/score/score-modes.def: New file.
1219 * config/score/score.opt: New file.
1220 * config/score/score-protos.h: New file.
1221 * config/score/score-version.h: New file.
1222 * config/score/t-score-elf: New file.
1223 * config.gcc: Add score*-*-* configurations(Update before).
1224 * doc/invoke.texi (Score Options): New section.
1225 * doc/md.texi (Score family): New section to document constraints.
1227 2006-10-19 Nick Clifton <nickc@redhat.com>
1229 * config/arm/arm.c: Fix spelling typo.
1231 2006-10-18 Tom Tromey <tromey@redhat.com>
1233 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1235 2006-10-18 Jan Hubicka <jh@suse.cz>
1238 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1241 2006-10-18 Marcin Dalecki <martin@dalecki.de>
1243 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1244 TSI_SAME_STMT, since that's the desired entity.
1246 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
1248 * config/s390/contraints.md: New file.
1249 * config/s390/s390-protos.h (s390_mem_constraint,
1250 s390_O_constraint_str, s390_N_constraint_str,
1251 s390_float_const_zero_p): Function prototypes added.
1252 * config/s390/s390.c (s390_extra_constraint_str,
1253 s390_const_double_ok_for_constraint_p,
1254 s390_const_ok_for_constraint_p): Functions removed.
1255 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1256 s390_float_const_zero_p): New functions.
1257 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1258 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1259 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1260 Macro definitions removed.
1261 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1262 s390_extra_constraint_str): Functions removed.
1264 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
1265 Richard Sandiford <richard@codesourcery.com>
1268 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1269 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1271 2006-10-16 Geoffrey Keating <geoffk@apple.com>
1273 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1274 (DWARF2_FRAME_REG_OUT): Likewise.
1275 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1276 (DWARF2_FRAME_REG_OUT): Likewise.
1278 2006-10-17 Paul Brook <paul@codesourcery.com>
1280 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1282 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1284 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1285 Standardize on "GNU Fortran" as the official name of the Fortran
1288 2006-10-16 Mike Stump <mrs@apple.com>
1290 * doc/invoke.texi (Darwin Options): Document -mkernel.
1291 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1293 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1294 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1295 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1296 (OS_MISSING_ALTIVEC): Add.
1297 * config/i386/i386.c (override_options): Add
1298 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1299 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1300 -mkernel, -static or -mdynamic-no-pic is given.
1301 (C_COMMON_OVERRIDE_OPTIONS): Add.
1302 * config/darwin.opt (fapple-kext): Add.
1304 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1305 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1307 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1308 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1309 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1310 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1311 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1312 (flag_mkernel): Add.
1313 (flag_apple_kext): Add.
1314 (TARGET_KEXTABI): Add.
1315 * config/darwin.c (darwin_handle_kext_attribute): Add.
1316 (DARWIN_VTABLE_P): Add.
1317 (darwin_binds_local_p): Add partial support for rebinding vtables
1319 (darwin_kextabi_p): Add.
1320 (darwin_override_options): Add.
1321 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1322 (darwin_kextabi_p): Add.
1323 (darwin_override_options): Add.
1324 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1325 __DYNAMIC__ and __STATIC__ here.
1327 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1329 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1330 Added mention of "make pdf" target, and Texinfo requirements for
1333 2006-10-16 DJ Delorie <dj@redhat.com>
1335 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1336 into the GOT in case we need a subreg of the address.
1338 2006-10-16 Richard Guenther <rguenther@suse.de>
1341 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1342 SSE builtin documentation. Document SSE2 builtins.
1344 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1346 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1347 symbol in the output file for non-shared links when -nostdlib or
1348 -nodefaultlibs isn't specified.
1350 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1351 posix thread support.
1353 2006-10-15 Jan Hubicka <jh@suse.cz>
1356 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1357 declared always_inline even when not inlining.
1359 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1360 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1361 Andrew Pinski <pinskia@gmail.com>
1364 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1366 2006-10-15 Jan Hubicka <jh@suse.cz>
1367 Richard Guenther <rguenther@suse.de>
1370 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1371 process_function_and_variable_attributes on all variables, including
1372 those discovered during cgraph construction phase.
1374 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1376 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1378 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1380 * config/i386/athlon.md (athlon_fist): Add fisttp.
1382 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1383 Ian Lance Taylor <ian@airs.com>
1386 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1387 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1390 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1392 * config/score/score.c, config/score/score.h: Fix comment
1395 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1398 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1401 2006-10-13 Eric Christopher <echristo@apple.com>
1403 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1405 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1408 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1409 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1410 alignment supported by 32-bit ELF.
1412 2006-10-13 Eric Christopher <echristo@apple.com>
1414 * config/darwin.c (darwin_emit_unwind_label): Strip
1415 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1417 2006-10-13 Richard Guenther <rguenther@suse.de>
1419 PR tree-optimization/29446
1420 * tree-vrp.c (fix_equivalence_set): Remove.
1421 (extract_range_from_assert): Do not call fix_equivalence_set.
1422 (debug_value_range): Print a newline.
1423 (compare_name_with_value): For equivalence sets with
1424 inconsistent value ranges conservatively bail out.
1425 (compare_names): Likewise.
1427 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1429 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1430 and MPFR for gfortran.
1432 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1434 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1435 alignment supported by 32-bit ELF.
1437 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1441 * c-typeck.c (digest_init): Always allow initializing vectors
1442 that have static storage duration with compound literals.
1443 * tree.c (build_type_attribute_qual_variant): New, based on
1444 build_type_attribute_variant.
1445 (build_type_attribute_variant): Rewrite using the former.
1446 (make_vector_type): Use build_type_attribute_qual_variant to build
1447 type variants. Use type_hash_canon on the others.
1449 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1450 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1452 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1454 2006-10-12 Jan Hubicka <jh@suse.cz>
1457 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1458 current_function_decl is set but current_function_scope is not.
1460 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1462 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1463 emit_insn to emit eh_return_internal instruction.
1464 (eh_return_internal): Explicitly set pc.
1466 2006-10-11 Richard Guenther <rguenther@suse.de>
1468 PR tree-optimization/28230
1469 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1470 to the correct place.
1472 2006-10-11 Richard Guenther <rguenther@suse.de>
1475 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1478 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1480 * configure.ac: Added pdf to "Make-hooks"
1481 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1482 targets and *.pdf file patterns in cleanup targets.
1483 * configure: Regenerated.
1485 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1487 * config/avr/predicates.md: New file.
1488 * config/avr/avr.md: Include it.
1489 (REG_SP): New constant.
1490 (peepholes): Use predicates.
1491 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1492 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1493 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1495 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1497 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1500 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1503 * builtins.c (var_decl_component_p): New function.
1504 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1505 single entry optimization to variables and components thereof.
1507 2006-10-10 Richard Guenther <rguenther@suse.de>
1509 PR rtl-optimization/29323
1510 * except.c (set_nothrow_function_flags): For functions
1511 that do not bind local bail out early.
1513 2006-10-10 Ben Elliston <bje@au.ibm.com>
1515 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1518 2006-10-09 Richard Henderson <rth@redhat.com>
1520 Revert emutls patch.
1522 2006-10-09 Richard Guenther <rguenther@suse.de>
1525 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1528 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1531 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1532 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1533 * configure: Regenerate.
1534 * config.in: Regenerate.
1536 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1538 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1540 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1542 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1543 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1544 Remove stray newline.
1546 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1548 * config/mips/mips.c (mips_classify_symbol): Do not return
1549 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1550 (mips_in_small_data_p): Tweak comments.
1552 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1554 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1556 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1558 * gimplify.c, sched-int.h: Fix comment typos.
1560 * sched-int.h: Fix comment typos.
1562 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1564 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1566 * sched-ebb.c (begin_schedule_ready): Use them.
1567 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1568 add_to_speculative_block, create_check_block_twin, speculate_insn,
1569 fix_jump_move, move_block_after_check): Ditto.
1570 * sched-rgn.c (new_ready): Ditto.
1572 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1574 PR rtl-optimization/29128
1575 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1576 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1577 allow interblock movement of speculation checks.
1579 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1582 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1583 casted to integer type.
1584 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1585 if they are significantly more expensive than [reg + index] ones.
1587 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1589 PR tree-optimization/29330
1590 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1591 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1592 on newly allocated ddrs.
1593 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1594 to VEC (loop_p, heap) pointer.
1595 (compute_data_dependences_for_loop): Adjust caller.
1596 (free_dependence_relations): Free DDR_LOOP_NEST.
1598 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1599 free DEPENDENCE_RELATIONS and DATAREFS.
1602 * builtins.c (expand_builtin_sync_operation,
1603 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1604 Use convert_to_mode to handle promoted arguments.
1606 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1608 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1610 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1612 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1614 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1616 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1617 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1618 Use <modeconstraint> instead of "r" as operand 1 constraint.
1620 2006-10-06 Olivier Hainque <hainque@adacore.com>
1622 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1623 Don't recurse on the pointed-to type.
1624 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1625 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1626 types with components of variable size.
1628 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1630 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1632 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1634 PR tree-optimization/29290
1635 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1639 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1640 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1643 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1644 the number of vector elements fill the rest with zeros.
1646 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1648 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1649 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1652 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1654 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1655 unnamed pattern into subsi3. Use correct constraints/predicates.
1656 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1657 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1659 2006-10-05 Ira Rosen <irar@il.ibm.com>
1661 * doc/loop.texi: Add data references analysis description.
1663 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1665 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1667 2006-10-04 Richard Henderson <rth@redhat.com>
1668 Jakub Jelinek <jakub@redhat.com>
1670 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1671 * builtin-types.def (BT_WORD): Make unsigned.
1672 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1673 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1674 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1675 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1676 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1677 * cgraph.c (decide_is_variable_needed): Look at force_output.
1678 Recurse for emulated tls.
1679 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1680 checks redundant with decide_is_variable_needed.
1681 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1682 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1684 * expr.c (emutls_var_address): New.
1685 (expand_expr_real_1): Expand emulated tls.
1686 (expand_expr_addr_expr_1): Likewise.
1687 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1688 * output.h (emutls_finish): Declare.
1689 * toplev.c (compile_file): Call it.
1690 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1691 address before wrapping in CONST.
1692 * varasm.c (emutls_htab, emutls_object_type): New.
1693 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1694 (get_emutls_object_name, get_emutls_object_type): New.
1695 (get_emutls_init_templ_addr, emutls_decl): New.
1696 (emutls_common_1, emutls_finish): New.
1697 (assemble_variable): When emulating tls, swap decls; generate
1698 constructor for the emutls objects.
1699 (do_assemble_alias): When emulating tls, swap decl and target name.
1700 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1702 * emutls.c: New file.
1703 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1704 tls_object for real tls.
1706 2006-10-04 Zack Weinberg <zackw@panix.com>
1708 Fix bug in constraint-check generator, reported by Rask Ingemann
1710 * genpreds.c (add_constraint): Don't remove anything from the
1712 (write_tm_constrs_h): Detect whether "op" argument is used, and
1713 mark it ARG_UNUSED if it isn't.
1714 (write_insn_const_int_ok_for_constraint): Skip the part of the
1715 expression that would test whether "op" (which is not available
1716 here) is a CONST_INT.
1718 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1721 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1723 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1725 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1726 current Leopard versions.
1727 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1729 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1731 * doc/install.texi: Fix typos.
1733 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1735 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1736 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1737 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1739 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1741 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1742 arg to be struct mach_header_64* instead.
1744 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1747 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1748 side effects after the outer expression's post side effects.
1750 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1752 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1753 comments to reflect actual behavior and relationship between
1754 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1756 * doc/c-tree.texi (Working with declarations): Fix documentation
1757 of FIELD_DECL likewise.
1759 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1762 * doc/extend.texi: Add used variable attribute description.
1764 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1767 * c.opt (Woverride-init): New.
1768 * c-opts.c (c_common_post_options): Default warn_override_init to
1770 * c-typeck.c (add_pending_init, output_init_element): Warn for
1771 overriding initializers without side effects.
1772 * doc/invoke.texi (-Woverride-init): Document.
1775 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1777 PR rtl-optimization/28096
1778 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1779 assignment has already been used as a destination earlier in the block.
1781 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1783 * builtins.c (expand_builtin_setjmp): Delete.
1784 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1785 <BUILT_IN_SETJMP_SETUP>: New case.
1786 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1787 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1788 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1789 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1790 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1791 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1792 (lower_function_body): Initialize it to false. If it is set to true
1793 at the end of the processing, emit the setjmp dispatcher.
1794 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1795 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1796 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1797 on the rhs of the assignment.
1798 (lower_builtin_setjmp): New function.
1799 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1800 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1801 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1802 to detect calls that can go to non-local labels. Use specific
1803 helper to create the abnormal edges associated with them.
1804 <MODIFY_EXPR>: Likewise.
1805 (make_abnormal_goto_edges): New function extracted from...
1806 (make_goto_expr_edges): ...here. Call it for computed gotos.
1807 (simple_goto_p): Minor tweak.
1808 (tree_can_make_abnormal_goto): New predicate.
1809 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1810 (tree_purge_dead_abnormal_call_edges): New function.
1811 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1812 (tree_purge_dead_abnormal_call_edges): Likewise.
1813 (make_abnormal_goto_edges): Likewise.
1814 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1815 Purge all dead abnormal edges if the call was in the last statement.
1816 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1817 (execute_fixup_cfg): If there are non-local labels in the function,
1818 scan the basic blocks and split them at calls that can go to non-local
1819 labels or add missing abnormal call edges. Write down the CFG in the
1821 (pass_fixup_cfg): Remove TODO_dump_func flag.
1822 * unwind-sjlj.c: Poison setjmp.
1823 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1824 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1825 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1826 (DONT_USE_BUILTIN_SETJMP): Document it.
1828 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1831 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1832 to 1 when __ppc64__ is defined.
1833 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1835 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1837 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1839 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1840 * config/ia64/unwind-hpux.c: Delete.
1842 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1844 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1845 on the element before gimplifying it, instead of punting if it is of
1848 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1850 * doc/loop.texi: New file.
1851 * doc/gccint.texi: Reference loop.texi.
1852 * Makefile.in (loop.texi): Add.
1854 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1856 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1858 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1859 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1861 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
1863 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
1865 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
1867 * doc/install.texi: Document required versions of GMP and MPFR.
1869 2006-09-27 Paul Brook <paul@codesourcery.com>
1872 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
1874 2006-09-27 Richard Sandiford <richard@codesourcery.com>
1876 * reload1.c (alter_reg): Require the alignment of the stack slot to
1877 be at least reg_max_ref_width bytes.
1878 (scan_paradoxical_subregs): Record the largest width in
1881 2006-09-26 Jakub Jelinek <jakub@redhat.com>
1885 * tree-nested.c (struct nesting_info): Added static_chain_added.
1886 (convert_call_expr): Set static_chain_added when adding static
1887 chain. Handle OMP_PARALLEL and OMP_SECTION.
1889 2006-09-25 Matthias Klose <doko@debian.org>
1891 * doc/invoke.texi: Add missing full stop.
1893 2006-09-25 Richard Henderson <rth@redhat.com>
1895 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1896 before cgraph_function_flags_ready.
1898 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1899 Adam Nemet <anemet@caviumnetworks.com>
1901 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1902 determine_common_wider_type): New functions.
1903 (get_computation_aff): Use them to simplify arithmetic between
1904 UBASE and CBASE if they are shortened from the same type.
1906 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1909 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1910 -2147483647 - 1 instead of 0x80000000.
1912 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1914 * flags.h (HONOR_NANS): Fix typo in comment.
1916 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1918 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1920 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1924 * tree.c (merge_attributes, attribute_list_contained): If both
1925 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1927 * c-typeck.c (comptypes_internal): Don't consider aggregates
1928 in different TUs as compatible if there one set of attributes is
1929 not a subset of the other type's attributes.
1930 (composite_type): Try harder not to create a new aggregate type.
1932 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1934 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1935 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1936 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
1937 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1938 than replicating condition above.
1939 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1941 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1942 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
1943 the linker by default.
1945 2006-09-22 Mike Stump <mrs@apple.com>
1947 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
1950 2006-09-22 Richard Guenther <rguenther@suse.de>
1953 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
1954 sort of stack variables stable.
1956 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
1959 * explow.c (force_reg): Set REG_POINTER flag according to
1962 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
1964 PR tree-optimization/28888
1965 * tree-if-conv.c (combine_blocks): Rewritten.
1966 * tree-cfg.c (tree_verify_flow_info): Check that edges with
1967 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
1969 2006-09-22 Jakub Jelinek <jakub@redhat.com>
1971 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
1974 2006-09-21 Richard Sandiford <richard@codesourcery.com>
1976 * varasm.c (copy_constant): Fix reversed gcc_assert check.
1978 2006-09-21 Janis Johnson <janis187@us.ibm.com>
1980 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
1982 2006-09-21 Roger Sayle <roger@eyesopen.com>
1985 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
1986 dw_fde_current_label, to be the start of the function, i.e. the same
1987 value as dw_fde_begin.
1989 2006-09-20 Richard Sandiford <richard@codesourcery.com>
1991 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
1992 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
1993 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
1994 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
1995 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
1996 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
1997 (abs<mode>2, neg<mode>2): Likewise.
1998 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
1999 (*mips_abs_ps): New define_insn.
2001 2006-09-20 Josh Conner <jconner@apple.com>
2004 * calls.c (expand_call): Allow reuse of structure return stack
2007 2006-09-20 Paul Brook <paul@codesourcery.com>
2009 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
2012 2006-09-20 Janis Johnson <janis187@us.ibm.com>
2014 * doc/extend.texi (Decimal Float): Update for latest draft TR,
2015 clean up terminology.
2017 2006-09-20 Steve Ellcey <sje@cup.hp.com>
2020 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
2021 with tablejumps in them.
2023 2006-09-20 Jakub Jelinek <jakub@redhat.com>
2026 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
2027 wrap it into TARGET_EXPR.
2029 2006-09-20 Eric Christopher <echristo@apple.com>
2031 * config/i386/i386.c (x86_fisttp): Remove.
2032 * config/i386/i386.h (x86_fisttp): Ditto.
2033 (TARGET_FISTTP): Ditto.
2035 2006-09-19 Eric Christopher <echristo@apple.com>
2037 * doc/tm.texi (OBJC_JBLEN): Describe.
2038 * config/i386/darwin.h (OBJC_JBLEN): Define.
2039 * config/rs6000/darwin.h: Ditto.
2041 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
2043 PR rtl-optimization/21299
2044 * reload1.c (reload): Purge invalid ASMs in the final pass.
2046 2006-09-19 Steve Ellcey <sje@cup.hp.com>
2049 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
2050 pointers as legitimate constants.
2052 2006-09-19 Paul Brook <paul@codesourcery.com>
2055 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2057 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
2059 PR tree-optimization/28887
2060 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2061 component parts from the reference.
2062 (gather_memory_references_ref): Record the reference without the
2063 nonaddressable component parts.
2065 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
2068 * c-opts.c (c_common_handle_option): Ignore the -std options
2069 if the input language is assembly.
2071 2006-09-17 Ira Rosen <irar@il.ibm.com>
2074 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2076 (ptr_ptr_may_alias_p): Likewise.
2077 (record_record_differ_p): New function.
2078 (base_object_differ_p): Call record_record_differ_p.
2080 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2083 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2084 away for the expr argument.
2086 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2089 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2090 before using it for dumping after vectorizing loops.
2092 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2093 Jack Howarth <howarth@bromo.med.uc.edu>
2096 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2097 skip on error_mark_node.
2098 (rs6000_darwin64_record_arg_recurse): Likewise.
2100 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2102 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2103 * doc/rtl.texi: Remove related documentation.
2105 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
2107 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2110 2006-09-15 Jim Wilson <wilson@specifix.com>
2112 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2113 Handle symbol offsets same as they are handled in ia64_expand_move
2116 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
2118 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2119 Add forgotten parameter to the fprintf call.
2121 2006-09-15 Steve Ellcey <sje@cup.hp.com>
2123 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2125 2006-09-15 Uros Bizjak <uros@kss-loka.si>
2127 * doc/contrib.texi: Add my entry.
2129 2006-09-15 Nick Clifton <nickc@redhat.com>
2131 * doc/md.texi (Processor pipeline description): Fix typo in
2132 example of how to use the absence_set directive and reword the
2133 description to make it slightly easier to read.
2135 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
2137 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2138 * loop-doloop.c (doloop_optimize): Use it to limit costs of
2139 expanding the number of iterations.
2140 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2142 * cfgrtl.c (emit_insn_at_entry): New function.
2143 * rtl.h (emit_insn_at_entry): Declare it.
2144 * integrate.c (emit_initial_value_sets): Use it.
2146 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2148 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2150 (struct loop_work and related VEC declarations): Delete.
2151 (bfin_dump_loops): Print out new member bad.
2152 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
2153 (bfin_scan_loop): Don't recurse.
2154 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2155 loops. No longer need to update outer loops if the current one is
2156 found bad. Move some validitiy checks to bfin_discover_loop.
2157 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2158 but changed not to check for nesting. Also changed to use the new bad
2160 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2161 time. Use bitmap based test to discover loop nesting.
2163 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
2165 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2168 2006-09-14 Richard Guenther <rguenther@suse.de>
2169 Kazu Hirata <kazu@codesourcery.com>
2171 PR middle-end/28884.
2172 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2173 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2174 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2175 with TARGET_FUNCTION_VALUE.
2177 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2180 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2182 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2184 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2187 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2190 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2193 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2195 * basic_block.h (bb_has_eh_pred): Fix comment.
2197 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2199 * flow.c (calculate_global_regs_live): Invalidate eh registers
2200 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2201 (propagate_block): Handle eh registers as if they were set at basic
2203 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2205 * global.c (global_conflicts): Make eh registers to conflict with
2206 pseudos live at basic block begin.
2207 * basic_block.h (bb_has_eh_pred): New function.
2209 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2211 PR rtl-optimization/28982
2212 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2213 index of a PRE_MODIFY or POST_MODIFY address.
2214 * reload1.c (inc_for_reload): Use find_replacement on the original
2215 base and index registers.
2217 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2219 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2220 for -Os. Update __m128 alignment requirement.
2222 2006-09-13 Jan Hubicka <jh@suse.cz>
2224 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2226 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2228 PR rtl-optimization/28243
2229 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2230 the insn to which the note was originally attached.
2232 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2233 Roger Sayle <roger@eyesopen.com>
2235 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2236 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2237 on platforms that don't use dwarf for debug info.
2239 2006-09-12 Jason Merrill <jason@redhat.com>
2242 * builtins.c (expand_builtin_setjmp_receiver): Clobber
2243 hard_frame_pointer_rtx after using it to update the frame pointer.
2245 2006-09-12 Roger Sayle <roger@eyesopen.com>
2247 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2248 (TARGET_ASM_CLOSE_PAREN): Likewise.
2249 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2250 (TARGET_ASM_CLOSE_PAREN): Likewise.
2252 2006-09-12 Roger Sayle <roger@eyesopen.com>
2255 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2256 frame information for frames larger than 512 Kbytes on Tru64 when
2257 using the native assembler.
2259 2006-09-12 Roger Sayle <roger@eyesopen.com>
2263 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2264 and symbols. Instead use the implementation from cse.c's hash_rtx.
2266 2006-09-12 Jan Hubicka <jh@suse.cz>
2268 PR rtl-optimization/28071
2269 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2270 (vect_transform_loop): Likewise.
2271 * tree-vectorizer.c (new_loop_vec_info): Likewise.
2272 (new_loop_vec_info): Likewise.
2273 (destroy_loop_vec_info): Likewise.
2274 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2275 (create_stmt_ann): Likewise.
2276 (create_tree_ann): Rename to ...
2277 (create_tree_common_ann): ... this one; allocate only the common part
2279 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2280 (get_value_handle): Likewise.
2281 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2282 get_tree_common_ann.
2283 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2284 (vinfo_for_stmt): Use stmt annotations.
2285 * tree-flow.h (tree_ann_common_t): New type.
2286 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2287 (tree_ann, get_tree_ann, create_tree_ann): New.
2288 * tree-flow-inline.h (get_function_ann): Do more type checking.
2289 (stmt_ann): Likewise.
2290 (tree_ann): Rename to ...
2291 (tree_common_ann): ... this one; return ony common_ann
2292 (get_tree_ann): Rename to ...
2293 (tree_common_ann): This one; return only common_ann.
2294 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2297 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2299 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2300 with_cpu by default.
2302 * dwarf2out.c (dwarf_file_data): New.
2303 (enum dw_val_class): Add dw_val_class_file.
2304 (struct dw_val_struct): Add val_file.
2305 (file_table): Change to a hash table.
2306 (file_table_emitted): Delete.
2307 (file_table_last_lookup_index): Delete.
2308 (emitcount): Delete.
2309 (last_emitted_file): New.
2310 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2311 (init_file_table): Delete.
2312 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2313 (AT_addr): Add comment.
2317 (print_die): Handle dw_val_class_file.
2318 (print_dwarf_line_table): Update for new file table structure.
2319 (attr_checksum): Do checksum a filename.
2320 (same_dw_val_p, same_attr_p): Do compare a filename.
2321 (size_of_die): Handle dw_val_class_file.
2322 (value_format): Likewise.
2323 (output_die): Likewise. Also, call maybe_emit_file here.
2324 (struct file_info): Constify filenames. Make file_idx a pointer
2325 to a struct dwarf_file_data.
2326 (struct dir_info): Constify directory names. Remove 'used' field.
2327 (struct file_name_acquire_data): New.
2328 (file_name_acquire): New.
2329 (output_file_names): Modify to handle new file data structures.
2330 (add_src_coords_attributes): Use add_AT_file.
2331 (add_call_src_coords_attributes): Likewise.
2332 (dwarf2out_imported_module_or_decl): Likewise.
2333 (gen_subprogram_die): Modify for new file data structures.
2334 (gen_variable_die): Likewise.
2335 (file_table_eq): New.
2336 (file_table_hash): New.
2337 (file_table_last_lookup): New.
2338 (lookup_filename): Rewrite to handle new file data structures.
2339 (maybe_emit_file): Rewrite to handle new file data structures.
2340 (dwarf2out_source_line): Always call lookup_filename and
2342 (dwarf2out_init): Create file_table here.
2343 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2344 (file_table_relative_p): New.
2345 (dwarf2out_finish): Change detection of relative filenames
2346 to work with new file data structures. Move output_line_info call
2347 after debug_info output.
2349 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2354 * config/i386/i386.c (override_options): Always default to 16
2355 byte stack boundary.
2357 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2360 * var-tracking.c (dump_dataflow_set): Start dumping at
2362 (clobber_variable_part): Kill only the variable part in
2363 registers holding it, leaving other variables alone.
2365 2006-09-11 Josh Triplett <josh@freedesktop.org>
2367 * doc/extend.texi (Other Builtins): Actually use the macro
2368 argument in the documentation example for
2369 __builtin_types_compatible_p.
2371 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2373 PR rtl-optimization/28726
2374 * sched-deps.c (sched_analyze_reg): New function extracted from...
2375 (sched_analyze_1): ...here. Call it to analyze references to
2376 registers. Treat again writes to a stack register as writing to the
2378 (sched_analyze_2): ...and here. Call it to analyze references to
2379 registers. Treat again reads of a stack register as reading the
2382 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2383 David Edelsohn <edelsohn@gnu.org>
2386 * config/rs6000/spe.md (frob_df_di): Remove %H.
2387 (frob_di_df): Remove %H. Change evmergelo to mr.
2388 (frob_di_df_2): Remove %H. Change evldd to two loads.
2390 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2392 * doc/cpp.texi: Fix names of charset options.
2394 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2397 * config/i386/i386.c (override_options): Use 128-bit
2398 stack boundary always for 64bits.
2400 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2402 PR rtl-optimization/28636
2403 * combine.c (force_to_mode): Test for side-effects before
2404 substituting by zero.
2405 (simplify_shift_const): Likewise for zero or other constants.
2407 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2410 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2413 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2416 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2417 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2418 returned by mode_for_size, rather than the mode of src itself,
2419 to choose between 32-bit and 64-bit patterns.
2420 (mips_mem_fits_mode_p): New function.
2421 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2422 that the size of the source matches the size of the destination.
2423 (mov_<store>l, mov_<store>r): Likewise.
2425 2006-09-10 Eric Christopher <echristo@apple.com>
2427 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2430 2006-09-09 Eric Christopher <echristo@apple.com>
2433 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2436 2006-09-09 Roger Sayle <roger@eyesopen.com>
2437 Nicolas Setton <setton@adacore.com>
2439 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2441 2006-09-10 Andreas Schwab <schwab@suse.de>
2443 * config/m68k/m68k.md (bungt_rev): New pattern.
2445 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2446 Dale Johannesen <dalej@apple.com>
2449 * regclass.c (struct reg_pref): Update documentation.
2450 (regclass): Set prefclass to NO_REGS if memory is the best option.
2451 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2453 2006-09-08 Eric Christopher <echristo@apple.com>
2455 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2456 * config/t-slibgcc-darwin: Support x86_64 multilib.
2457 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2458 Return 1 for x86_64-darwin.
2459 * config/i386/t-darwin: Add m64 multilib.
2460 (LIB2_SIDITI_CONV_FUNCS): Use.
2461 (LIB2FUNCS_EXTRA): Ditto.
2462 * config/i386/darwin.h: Support x86_64.
2463 * config/i386/i386.c (override_options): Turn on flag_pic
2464 for x86_64-darwin. Disable flag_omit_pointer.
2465 (get_pc_thunk_name): Assert !TARGET_64BIT.
2466 (legitimate_address_p): Disable machopic addressing for
2468 (legitimize_pic_address): Ditto.
2469 (ix86_expand_move): Ditto.
2470 (ix86_expand_call): Ditto.
2471 (machopic_output_stub): Ditto.
2472 * config/darwin.c (machopic_select_section): Support literal16.
2473 (machopic_select_rtx_section): Ditto.
2474 * config/darwin-sections.def: Ditto.
2475 * config/darwin-64.c: New.
2477 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2480 * c-tree.h (struct c_arg_info): Add pending_sizes.
2481 * c-parser.c (c_parser_parms_declarator,
2482 c_parser_parms_list_declarator): Initialize pending_sizes.
2483 * c-decl.c (get_parm_info): Initialize pending_sizes.
2484 (get_parm_info): Set pending_sizes.
2485 (grokdeclarator): Call put_pending_sizes for parameters for
2486 function definition only.
2488 2006-09-07 Jason Merrill <jason@redhat.com>
2491 * varasm.c (output_constant): Only strip actual no-op conversions.
2494 * config/i386/i386.c (override_options): Use 128-bit
2495 stack boundary if -msse.
2497 2006-09-07 Eric Christopher <echristo@apple.com>
2499 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2501 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2504 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2506 * dwarf2out.c: Remove strange characters from comment above
2507 dwarf2out_frame_debug_expr.
2509 2006-09-07 Eric Christopher <echristo@apple.com>
2511 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2512 * config/darwin.h: ... to here.
2514 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2516 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2518 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2519 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2521 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2522 TARGET_PARTIAL_FLAG_REG_STALL.
2523 (*ashldi3_cconly_rex64): Likewise.
2524 (*ashlsi3_cmp): Likewise.
2525 (*ashlsi3_cconly): Likewise.
2526 (*ashlsi3_cmp_zext): Likewise.
2527 (*ashlhi3_cmp): Likewise.
2528 (*ashlhi3_cconly): Likewise.
2529 (*ashlqi3_cmp): Likewise.
2530 (*ashlqi3_cconly): Likewise.
2531 (*ashrdi3_cmp_rex64): Likewise.
2532 (*ashrdi3_cconly_rex64): Likewise.
2533 (*ashrsi3_cmp): Likewise.
2534 (*ashrsi3_cconly): Likewise.
2535 (*ashrsi3_cmp_zext): Likewise.
2536 (*ashrhi3_cmp): Likewise.
2537 (*ashrhi3_cconly): Likewise.
2538 (*ashrqi3_cmp): Likewise.
2539 (*ashrqi3_cconly): Likewise.
2540 (*lshrdi3_cmp_rex64): Likewise.
2541 (*lshrdi3_cconly_rex64): Likewise.
2542 (*lshrsi3_cmp): Likewise.
2543 (*lshrsi3_cconly): Likewise.
2544 (*lshrsi3_cmp_zext): Likewise.
2545 (*lshrhi3_cmp): Likewise.
2546 (*lshrhi3_cconly): Likewise.
2547 (*lshrqi2_cmp): Likewise.
2548 (*lshrqi2_cconly): Likewise.
2550 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2553 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2554 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2555 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2556 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2557 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2558 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2559 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2560 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2561 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2562 implement only CC setting effects of shift instructions.
2564 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2566 * doc/contrib.texi: Add myself.
2568 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2571 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2572 was set by the user.
2574 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2577 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2578 (divsi_inv_m1): Use them.
2579 (UNSPEC_DIV_INV_TABLE): New constant.
2581 2006-09-06 James E Wilson <wilson@specifix.com>
2584 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2585 then call count_or_remove_death_notes.
2587 2006-09-06 Jason Merrill <jason@redhat.com>
2590 * tree-inline.c (copy_result_decl_to_var): New fn.
2591 (declare_return_variable): Use it. Call declare_inline_vars here.
2592 (expand_call_inline): Not here.
2594 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2596 * doc/contrib.texi: Update my entry.
2598 2006-09-06 Nick Clifton <nickc@redhat.com>
2600 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2602 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2605 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2606 (canonicalize_induction_variables): Likewise.
2607 (tree_unroll_loops_completely): Likewise.
2608 (tree_ssa_prefetch_arrays): Likewise.
2609 (remove_empty_loops): Likewise.
2610 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2611 TODO_cleanup_cfg instead of directly calling
2612 cleanup_tree_cfg_loop.
2613 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2615 (tree_unroll_loops_completely): Likewise.
2616 (remove_empty_loops): Likewise.
2617 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2618 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2619 of tree_ssa_unswitch_loops.
2620 (tree_ssa_loop_ivcanon): Use the return value of
2621 canonicalize_induction_variables.
2622 (tree_ssa_empty_loop): Use the return value of
2624 (tree_complete_unroll): Use the return value of
2625 tree_unroll_loops_completely.
2626 (tree_ssa_loop_prefetch): Use the return value of
2627 tree_ssa_prefetch_arrays.
2628 * passes.c (execute_todo): Before Cleanup CFG, set
2629 updating_used_alone and after cleanup CFG, call
2630 recalculate_used_alone.
2632 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2635 * tree-vect-transform.c (vectorizable_condition): Move the check
2636 for the type after the check for simple condition.
2638 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2639 Kaz Kojima <kkojima@gcc.gnu.org>
2642 * mode-switching.c (optimize_mode_switching): Make the destination
2643 block of an abnormal edge have no anticipatable mode. Don't
2644 insert mode switching code at the end of the source block of
2647 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2649 PR rtl-optimization/26847
2650 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2651 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2652 (simplify_plus_minus): Count n_constants while filling ops. Replace
2653 qsort with insertion sort. Before going through the array to simplify
2654 pairs, sort it. Delay early exit until after the first sort, exiting
2655 only if no swaps occurred. Simplify pairs in reversed order, without
2656 special-casing the first iteration. Pack ops after simplifying pairs.
2658 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2660 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2661 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2662 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2663 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2665 2006-09-05 Richard Guenther <rguenther@suse.de>
2667 PR tree-optimization/28900
2668 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2669 compound conditional before creating COND_EXPR condition.
2671 2006-09-05 Richard Guenther <rguenther@suse.de>
2673 PR tree-optimization/28905
2674 * tree-vrp.c (fix_equivalence_set): Manually implement
2675 !value_ranges_intersect_p to also handle symbolic ranges.
2677 2006-09-05 Richard Guenther <rguenther@suse.de>
2680 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2683 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2685 PR rtl-optimization/27616
2686 * cse.c (table_size): New static variable.
2687 (new_basic_block): Initialize it to 0.
2688 (remove_from_table): Decrement it.
2689 (insert): Increment it.
2690 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2691 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2692 fold_rtx_mem_1 if under the cap.
2693 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2694 the lookup of the equivalent expression and test for equality of the
2695 first operand of the equivalent expression before in turn looking up
2696 an equivalent constant for the second operand.
2698 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2701 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2702 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2703 pointer, instead of assuming it is possible to derive the
2704 correct args size from a call insn.
2706 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2709 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2710 (fold_builtin_mempcpy): Rename to...
2711 (fold_builtin_memory_op): ... this. Optimize one element copy
2713 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2715 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2716 (expand_builtin_memcpy, expand_builtin_mempcpy,
2717 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2718 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2719 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2720 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2722 2006-09-01 DJ Delorie <dj@redhat.com>
2724 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2725 (stzx_16): Likewise.
2726 ("stzx_24_<mode>"): Likewise.
2727 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2728 ("cmp<mode>_op"): New.
2729 (cmp<mode>): Change to expander; just save operands.
2731 (b<code>): Change to expander, emit compare here.
2732 (s<code>_op): Change to use split and expander.
2733 (s<code>_24_op): Likewise.
2734 (s<code>_<mode>): New.
2735 (s<code>_<mode>_24): New.
2736 (movqicc_<code>_<mode): New.
2737 (movhicc_<code>_<mode>): New.
2740 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2741 (m32c_pend_compare): New.
2742 (m32c_unpend_compare): New.
2743 (m32c_expand_scc): New.
2744 (m32c_expand_movcc): Emit the compare also.
2745 * config/m32c/predicates.md (mra_nopp_operand): New.
2747 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2748 Richard Guenther <rguenther@suse.de>
2749 Adam Nemet <anemet@caviumnetworks.com>
2752 * builtins.c (get_pointer_alignment): Handle more forms
2753 of base addresses that can be used to derive more precise
2754 information about alignment.
2756 2006-09-01 Jason Merrill <jason@redhat.com>
2759 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2762 * gimplify.c (voidify_wrapper_expr): Handle null type.
2764 2006-09-01 Josh Conner <jconner@apple.com>
2767 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2768 (execute_return_slot_opt): Use it.
2770 2006-08-31 Josh Conner <jconner@apple.com>
2773 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2774 returning aggregates.
2776 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2778 PR tree-optimization/28839
2779 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2780 blocks in that phi arguments appear.
2782 2006-08-31 Roger Sayle <roger@eyesopen.com>
2785 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2786 NULL, otherwise use an advance_loc4 to adjust relative to the
2788 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2789 (dwarf2out_switch_text_section): Reset the current label to avoid
2790 using advance_loc4 over section boundaries.
2792 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2795 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2796 r12 + SYMBOLIC_CONST.
2798 2006-08-30 Richard Guenther <rguenther@suse.de>
2800 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2802 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2804 PR rtl-optimization/27735
2805 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2806 Add new argument to keep track of whether an irreducible region
2807 was affected. All callers changed.
2808 (fix_irreducible_loops): Removed.
2809 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2810 flags were invalidated.
2812 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2814 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2815 instead of SF operands.
2816 (*fop_df_comm_sse): Likewise.
2817 (*fop_df_comm_i387): Likewise.
2818 (*fop_df_1_mixed): Likewise.
2819 (*fop_df_1_sse): Likewise.
2821 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2822 J"orn Rennecke <joern.rennecke@st.com>
2824 PR tree-optimization/17506
2825 * tree-ssa.c (warn_uninit): If warning about a location outside of
2826 the current function, note where the variable was declared.
2828 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2830 PR tree-optimization/28411
2831 * double-int.c (double_int_div): Use double_int_divmod.
2832 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2833 double_int_mod, double_int_smod, double_int_umod): New functions.
2834 * double-int.h (double_int_divmod, double_int_sdivmod,
2835 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2837 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2839 (get_computation_aff, get_computation_cost_at): Handle double_int
2840 return type of constant_multiple_of.
2842 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2845 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2846 an implicit conversion.
2848 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2850 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2852 2006-08-27 Roger Sayle <roger@eyesopen.com>
2854 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2857 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2859 * config/i386/crtfastmath.c: Fix a comment typo.
2861 2006-08-26 Roger Sayle <roger@eyesopen.com>
2863 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
2864 temporary visit flags on CASE_LABEL_EXPRs.
2865 * c-common.c (match_case_to_enum): Add function comment. Avoid
2866 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
2867 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
2868 CASE_HIGH_SEEN for enumerated types. If the switch expression is
2869 a constant, only warn if that constant value isn't handled.
2871 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
2874 * input.h (restore_input_file_stack): Declare.
2875 (INPUT_FILE_STACK_BITS): Define.
2876 * toplev.c (fs_p, input_file_stack_history,
2877 input_file_stack_restored, restore_input_file_stack): New.
2878 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
2879 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
2880 (pop_srcloc): Don't free old state of stack.
2882 2006-08-26 David Edelsohn <edelsohn@gnu.org>
2885 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2886 (PowerPC Type Attributes): New.
2888 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2890 * config/xtensa/xtensa.c (function_arg_boundary): New.
2891 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2893 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2894 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2896 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2899 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2902 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2904 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2905 (verify_local_live_at_start): Likewise.
2907 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2910 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2911 omp_add_variable): Treat sizes as variable whenever not
2914 2006-08-26 Richard Guenther <rguenther@suse.de>
2917 * fold-const.c (fold_binary): Fold temporary to correct
2918 type before constructing new comparison.
2920 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2923 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2924 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2926 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2929 * c-decl.c (start_function): Don't try to process prototype
2930 information from old declaration that isn't a function.
2932 2006-08-25 Jan Hubicka <jh@suse.cz>
2935 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2937 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2940 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
2943 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
2945 PR tree-optimization/16876
2946 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
2947 exit if PARM doesn't match VALUE.
2949 2006-08-25 Bob Wilson <bob.wilson@acm.org>
2951 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
2952 literal_prefix directive.
2953 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
2954 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2955 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2957 2006-08-25 David Edelsohn <edelsohn@gnu.org>
2960 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
2961 predicate to general_operand. Add 0->y and I->r alternatives.
2963 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
2965 * doc/tm.texi: Fix a typo.
2966 * predict.c: Fix comment typos.
2968 2006-08-25 Nick Clifton <nickc@redhat.com>
2970 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
2971 assertions of "cpu" and "machine".
2973 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
2976 * tree-ssa-operands.c (access_can_touch_variable): Don't say
2977 the access through a base which has an alias set of 0 cannot
2980 2006-08-24 Bill Wendling <wendling@apple.com>
2982 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
2984 2006-08-24 Jan Hubicka <jh@suse.cz>
2986 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
2988 2006-08-24 Jan Hubicka <jh@suse.cz>
2991 * cgraph.c: Fix comments.
2992 (cgraph_varpool_mark_needed_node): Mark only variables not already
2994 * cgraphunit.c: Update comments; include gt-cgraphunit.h
2995 (cgraph_varpool_assembled_nodes_queue): New static variable.
2996 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
2997 (cgraph_varpool_output_debug_info): New function.
2998 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
2999 * Makefile.in: Add gt-cgraphunit.h
3001 2006-08-24 Jan Hubicka <jh@suse.cz>
3003 * predict.c (probability_reliable_p): New predicate.
3004 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3005 (predict_loops): Do not predict loop exit with less than 2%
3007 * basic-block.h (edge_probability_reliable_p,
3008 br_prob_note_reliable_p): Declare.
3009 * ia64.h (ia64_print_operand): Do not disable on-chip branch
3010 prediction when static predictor is not reliable.
3011 * rs6000.c (output_cbranch): Likewise.
3013 2006-08-23 Stuart Hastings <stuart@apple.com>
3016 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
3017 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
3019 2006-08-21 Geoffrey Keating <geoffk@apple.com>
3022 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
3023 complex values, nor for generic vector values.
3025 2006-08-22 Richard Guenther <rguenther@suse.de>
3028 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
3029 parameter. Convert arguments to arithmetic expression to the
3031 (analyze_scalar_evolution_1): Adjust caller.
3033 2006-08-22 Jan Hubicka <jh@suse.cz>
3035 Patch by Paolo Bonzini
3036 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
3039 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
3041 PR tree-optimization/28003
3042 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
3043 before grouping aliases.
3045 2006-08-22 Roger Sayle <roger@eyesopen.com>
3047 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
3048 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
3050 2006-08-21 Jason Merrill <jason@redhat.com>
3053 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3054 wrapper. Loop to handle nested wrappers.
3055 (gimplify_bind_expr): Remove temp parameter.
3056 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3057 and STATEMENT_LIST on the rhs.
3058 (gimplify_statement_list): Voidify the STATEMENT_LIST.
3059 (gimplify_expr): Pass pre_p to gimplify_statement_list.
3060 (gimplify_target_expr): Remove special BIND_EXPR handling.
3062 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
3064 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3067 2006-08-21 Olivier Hainque <hainque@adacore.com>
3069 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3070 Arrange for the temporary captures of components overlapping the lhs
3071 to happen before the lhs is possibly cleared.
3073 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
3075 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3076 necessary places to pass the correct "number of registers" values
3079 2006-08-20 Jan Hubicka <jh@suse.cz>
3081 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
3082 (create_name_tags): Instead of quadratic checking use hashtable.
3083 * bitmap.h: Include hashtab.h.
3084 (bitmap_hash): Declare.
3085 * bitmap.c (bitmap_hash): New function.
3087 2006-08-20 Jan Hubicka <jh@suse.cz>
3089 PR rtl-optimization/28071
3090 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3092 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3093 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3094 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3095 cgraph_decide_inlining_incrementally): Update use of
3096 cgraph_check_inline_limits.
3097 * cgraph.c (edge_hash, edge_eq): New function.
3098 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3099 cgraph_edge_remove_caller, cgraph_node_remove_callees,
3100 cgraph_remove_node): Maintain call site hash.
3101 * cgraph.h (struct cgraph_node): Add call_site_hash.
3102 (cgraph_set_call_stmt): New function.
3104 2006-08-20 Jan Hubicka <jh@suse.cz>
3106 PR rtl-optimization/28071
3107 * reload1.c (reg_has_output_reload): Turn into regset.
3108 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3109 choose_reload_regs, emit_reload_insns): Update to new
3110 reg_has_output_reload.
3112 2006-08-20 Jan Hubicka <jh@suse.cz>
3115 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3116 function body sizes.
3117 * cgraphunit.c (cgraph_analyze_function): Don't do so.
3119 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
3122 * tree.c (handle_dll_attribute): Return early if not a
3123 var or function decl.
3125 2006-08-18 Joseph Myers <joseph@codesourcery.com>
3128 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3129 alignment of SPE vector types.
3131 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
3133 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3135 2006-08-17 Jakub Jelinek <jakub@redhat.com>
3138 * cgraph.h (struct cgraph_node): Remove externally_visible
3140 * cgraphunit.c (process_function_and_variable_attributes): Set
3141 local.externally_visible rather than externally_visible.
3144 * c-common.c (handle_externally_visible_attribute): First look
3145 at TREE_CODE and only if it is function or var decl, check for
3146 non-public objects. Don't warn for DECL_EXTERNAL.
3147 * cgraphunit.c (process_function_and_variable_attributes): Warn
3148 if externally_visible attribute is used on non-public object.
3150 2006-08-17 Jan Hubicka <jh@suse.cz>
3152 PR tree-optimization/27865
3153 * reload1.c (forget_marked_reloads): New function.
3154 (forget_old_reloads_1): When data are passed, just mark the registers
3156 (reload_as_needed): Use the new mechanizm.
3158 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
3161 * reload.h (reg_equiv_alt_mem_list): New declaration.
3162 * reload1.c (reg_equiv_alt_mem_list): New definition.
3163 (reload): Initialize it and release it.
3164 (delete_output_reload): Use it.
3165 * reload.c (push_reg_equiv_alt_mem): New function.
3166 (find_reloads_toplev): Call it.
3167 (find_reloads_address, find_reloads_address_1): Likewise.
3168 (find_reloads_subreg_address): Likewise.
3170 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3172 PR rtl-optimization/28489
3173 * sched-ebb.c (begin_schedule_ready): Create basic block
3175 (advance_target_bb): Skip empty blocks.
3176 * haifa-sched.c (bb_note): Make global.
3177 * sched-int.h (bb_note): Add prototype.
3179 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3181 PR tree-optimization/27865
3182 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3184 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3185 fold_used_pointer, pointer_used_p): New functions.
3186 (analyze_scalar_evolution_1): Use fold_used_pointer.
3187 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3188 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3191 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3194 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3195 or the INTEGER_CST. Fail on a CALL_EXPR.
3196 (fold_offsetof): Pass new argument to fold_offsetof_1.
3197 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3198 operand into an INDIRECT_REF.
3199 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3201 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3203 PR gcov/profile/26570
3204 * value-prof.c (static_values): Removed.
3205 (tree_find_values_to_profile): Do not set static_values.
3206 (find_values_to_profile): Do not free static_values.
3207 * profile.c (instrument_values): Do not free the values.
3208 (branch_prob): Free the values.
3210 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3212 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3214 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3217 * c-typeck.c (build_component_ref): Combine qualifiers of
3218 structure or union and field.
3220 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3222 PR rtl-optimization/28071
3223 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3224 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3225 * tree-into-ssa.c (struct dom_dfsnum): New.
3226 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3228 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3229 compute_global_livein.
3230 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3231 in phi nodes in the correct blocks.
3233 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3235 PR tree-optimization/28364
3236 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3238 (fold_affine_expr): New function.
3239 (may_eliminate_iv): Use fold_affine_expr.
3241 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3244 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3247 2006-08-16 Mike Stump <mrs@apple.com>
3249 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3250 * doc/cppopts.texi (-MD): Likewise.
3252 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
3255 * c-common.c (handle_weak_attribute): Ignore and warn if
3256 not a FUNCTION_ or VAR_DECL.
3258 2006-07-15 Mike Stump <mrs@apple.com>
3261 * c-parser.c (c_parser_typeof_specifier): Don't use
3262 c_finish_expr_stmt, open code desired semantics instead.
3264 2006-08-15 Nick Clifton <nickc@redhat.com>
3266 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3267 fragment to tmake_file only if threads are enabled.
3268 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3269 * config/i386/t-gthr-win32: New file. ... here.
3271 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3274 * c-parser.c (c_parser_compound_statement_nostart): Reset
3275 parser->error after each statement.
3277 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3280 * omp-low.c (lower_omp_parallel): Convert t to
3281 receiver_decl's type.
3282 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3283 source before comparison.
3286 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3287 to itype in assignment to oldival2.
3289 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3293 * c-typeck.c (build_compound_expr): If the second expression
3294 is an error mark, then just return an error mark instead of
3295 creating a COMPOUND_EXPR.
3297 2006-07-14 Mike Stump <mrs@apple.com>
3299 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3301 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3303 * c-decl.c, var-tracking.c: Fix comment typos.
3305 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3307 PR rtl-optimization/28634
3308 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3309 for floating-point modes unless flag_unsafe_math_optimizations.
3311 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3312 Andrew Pinski <pinskia@physics.uc.edu>
3315 * tree.c (build_array_type): Unify array types with
3316 unspecified index_type.
3317 * c-decl.c (grokdeclarator): Make sure we do not modify a
3318 unified incomplete array type.
3319 * c-typeck.c (store_init_value): Create distinct type before
3320 filling in the index type in an initializer from a compound
3323 * c-decl.c (grokdeclarator): Remove code where we copy the
3326 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3328 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3329 into account for TODO_dump_cgraph.
3330 (TODO_update_ssa_no_phi): Likewise.
3331 (TODO_update_ssa_full_phi): Likewise.
3332 (TODO_update_ssa_only_virtuals): Likewise.
3333 (TODO_remove_unused_locals): Likewise.
3334 (TODO_set_props): Likewise.
3335 (TODO_update_stmt_usage): Likewise.
3337 2006-08-13 Dirk Mueller <dmueller@suse.de>
3339 * c-common.c (strict_aliasing_warning): Fix formatting.
3341 2006-08-13 Matthias Klose <doko@debian.org>
3343 * doc/invoke.texi: Fix spelling errors.
3345 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3347 PR rtl-optimization/23454
3348 * reorg.c (relax_delay_slots): Update comment.
3350 2006-08-11 Richard Guenther <rguenther@suse.de>
3353 * simplify-rtx.c (simplify_const_relational_operation):
3354 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3357 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3359 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3360 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3362 2006-08-10 Paul Brook <paul@codesourcery.com>
3364 * final.c (final_scan_insn): Clear current_insn_predicate before
3365 outputting inline asm.
3367 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3369 PR tree-optimization/26197
3370 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3371 get_ref_base_and_extent and overlap_subvar to add only relevant
3372 subvars as may-aliases.
3373 (add_may_alias_for_new_tag): New function, factored out of
3375 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3376 with additional argument.
3377 * tree-flow.h (new_type_alias): Takes additional argument.
3379 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3381 * gcov.c (no_data_file): New flag.
3382 (read_count_file): Set it if data file not present. Assume counts
3384 (output_lines): Don't name the data file, if there wasn't one.
3386 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3388 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3389 (rs6000_generate_compare): Tweak comments.
3390 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3392 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3394 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3395 (var_debug_decl): New function.
3396 (var_reg_set): Follow debug decl link. Add location even if
3397 reg is already known to hold some other variable.
3398 (var_mem_set): Follow debug decl link.
3399 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3400 decl link. Delete other known locations of the variable part
3402 (var_reg_delete, var_mem_delete): Delete other known locations
3403 of the variable part if requested.
3404 (same_variable_part_p): New function.
3405 (add_stores): Select MO_COPY when appropriate.
3406 (vt_initialize): Handle it.
3407 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3408 known locations for MO_SET and MO_CLOBBER.
3409 (find_variable_location_part): New function.
3410 (set_variable_part, delete_variable_part): Use it.
3411 (clobber_variable_part): New function.
3412 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3415 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3417 PR tree-optimization/26969
3418 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3419 with an empty list of PHIs.
3421 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3425 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3428 2006-08-06 Andreas Schwab <schwab@suse.de>
3430 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3431 string. Whitespace and comment fixup.
3433 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3436 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3440 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3443 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3445 2006-08-04 Jan Hubicka <jh@suse.cz>
3449 * reload.c (push_reload): Patch out the mismatching instruction;
3451 (find_reload): Bail out if the instruction was patched out.
3453 2006-08-04 Jan Hubicka <jh@suse.cz>
3455 PR tree-optimization/24888
3456 * tree-inline.c (expand_call_inline): Do not re-record variables.
3457 (declare_inline_vars): Add variable to unexpanded_var_list.
3459 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3460 Roger Sayle <roger@eyesopen.com>
3462 PR rtl-optimization/26244
3463 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3464 inner_const are negative or greater than or equal to the bitsize of
3465 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3466 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3467 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3468 CONST0_RTX (mode) when the new shift count is greater than or equal to
3469 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3472 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3474 * tree-cfg.c: Fix a comment typo.
3476 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3479 * varasm.c (output_constant): Give the front end another chance to
3480 expand constants, after stripping NOPs.
3482 2006-08-03 Jan Hubicka <jh@suse.cz>
3484 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3487 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3489 PR tree-optimization/27770
3490 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3491 declaration removed (moved to tree-flow.h).
3492 (vect_can_force_dr_alignment_p): Likewise.
3493 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3494 (moved from tree-vectorizer.h).
3495 (vect_can_force_dr_alignment_p): Likewise.
3496 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3497 from outside the vectorizer - in particular from cgraph stage.
3498 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3499 the alignment of global arrays when -fsection-anchors is enabled.
3500 * cgraphunit.c (cgraph_increase_alignment): New function.
3501 (cgraph_optimize): Call cgraph_increase_alignment.
3503 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3506 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3507 not reload a SPE symbol_ref into a lo_sum address.
3509 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3512 * dwarf2out.c (prune_unused_types_prune): Move call to
3513 prune_unused_types_update_strings to cover the parent DIE also.
3515 2006-08-02 Jan Hubicka <jh@suse.cz>
3517 PR gcov/profile/28480
3518 * tree-cfg.c (change_bb_for_stmt): New function.
3519 (tree_merge_blocks, tree_split_blocks): Use it.
3521 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3527 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3528 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3529 (cgraph_optimize): Likewise.
3531 2006-08-01 Stuart Hastings <stuart@apple.com>
3533 * rtl.h (UINTVAL) New.
3534 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3535 * testsuite/gcc.dg/20060801-1.c: New.
3537 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3540 * c-typeck.c (build_external_type): Mark used enum types.
3541 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3543 (gen_subprogram_die): Whitespace fix.
3545 2006-08-01 Jan Hubicka <jh@suse.cz>
3547 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3548 bitmap when not needed.
3549 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3552 2006-08-01 Dirk Mueller <dmueller@suse.de>
3554 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3556 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3558 * Makefile.in: Revert part of previous patch:
3559 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3562 2006-07-30 Eric Christopher <echristo@apple.com>
3565 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3566 (PowerPC Variable Attributes): New section.
3568 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3570 PR target/28126 (partial fix)
3571 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3573 2006-07-28 Jan Hubicka <jh@suse.cz>
3575 PR rtl-optimization/28071
3576 * cfgrtl.c (rtl_delete_block): Free regsets.
3577 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3579 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3581 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3582 and variables used in dependencies.
3584 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3586 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3587 %fs for -mcmodel=kernel.
3588 (stack_tls_protect_test_di): Likewise.
3590 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3592 * Makefile.in: Use mkinstalldirs.
3594 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3597 * opts-common.c (prune_options): Skip joined switches.
3599 2006-07-27 Jan Hubicka <jh@suse.cz>
3601 PR rtl-optimization/28071
3602 * cselib.c (cselib_process_insn): Don't remove useless values too
3603 often for very large hashtables.
3605 2006-07-27 Jan Hubicka <jh@suse.cz>
3607 PR rtl-optimization/28071
3608 * global.c (greg_obstack): New obstack.
3609 (allocate_bb_info): Use it.
3610 (free_bb_info): Likewise.
3611 (modify_reg_pav): Likewise.
3613 2006-07-27 Roger Sayle <roger@eyesopen.com>
3615 * builtins.c (fold_fixed_mathfn): When long and long long are the
3616 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3617 functions to their lceil*, lfloor*, lround* and lrint* forms.
3619 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3622 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3624 (rev_branch_insn): Likewise.
3626 2006-07-27 Jan Hubicka <jh@suse.cz>
3628 PR rtl-optimization/28071
3629 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3630 (reg_set_in_bb, max_reg_computed): New static variables.
3631 (regmove_optimize): Free the new array.
3632 (fixup_match_1): Update call of reg_is_remote_constant_p.
3634 2006-07-26 Jan Hubicka <jh@suse.cz>
3636 PR tree-optimization/27882
3637 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3639 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3641 (cgraph_analyze_compilation_unit): Likewise.
3642 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3643 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3644 (cgraph_early_inlinine): Make order garbage collected.
3645 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3647 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3649 * dbxout.c (output_types_sort): Add a comment.
3650 (output_used_types): Free the VEC.
3652 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3654 * function.c (reorder_fix_fragments): Delete.
3655 (reorder_blocks): Don't call it.
3656 (reorder_blocks_1): Put all subblocks under the origin block.
3658 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3660 PR rtl-optimization/27907
3661 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3664 2006-07-25 Roger Sayle <roger@eyesopen.com>
3667 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3668 bar(x) check that bar's result type can represent all the values of T.
3670 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3672 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3674 2006-07-25 Nick Clifton <nickc@redhat.com>
3676 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3677 size_lookup[] array.
3678 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3679 (ggc_pch_count_object): Likewise.
3680 (ggc_pch_alloc_object): Likewise.
3681 (ggc_pch_write_object): Likewise.
3682 (init_ggc): Do not attempt to initialize entries in the
3683 size_lookup[] array for objects whose size is greater than than
3684 the length of the array.
3686 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3688 * dbxout.c (output_used_types_helper): Push queued types
3690 (output_types_sort): New.
3691 (output_used_types): Collect used types on a VEC and sort them
3694 2006-07-24 Richard Guenther <rguenther@suse.de>
3697 * cgraph.c (cgraph_remove_node): Do not check if dumps
3699 * cgraphunit.c (cgraph_optimize): Likewise.
3701 2006-07-24 Jan Hubicka <jh@suse.cz>
3703 PR rtl-optimization/28071
3704 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3705 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3706 splitting before first stmt.
3708 2006-07-24 Jan Hubicka <jh@suse.cz>
3710 PR rtl-optimization/28071
3711 * ipa-inline.c (update_caller_keys): Remove edges that
3712 are no longer inline candidates.
3714 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3717 * dbxout.c (output_used_types_helper, output_used_types): New.
3718 (dbxout_symbol): Call output_used_types.
3720 2006-07-23 Jan Hubicka <jh@suse.cz>
3724 * cgraph.c (cgraph_varpool_nodes): Export.
3725 (decide_is_variable_needed): Ignored "used" attribute in
3726 unit-at-a-time mode.
3727 * cgraph.h (cgraph_varpool_nodes): Declare.
3728 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3729 unit-at-a-time mode.
3731 2006-07-23 Roger Sayle <roger@eyesopen.com>
3734 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3735 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3736 the __gthrw form of thr_keycreate.
3737 (__gthread_key_delete): Silence the unused argument warning.
3739 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3742 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3743 Cache the last found '\0' marker to avoid quadratic behavior.
3745 2006-07-23 Jan Hubicka <jh@suse.cz>
3747 * i386.md (subsi_3_zext): Fix output template.
3749 2006-07-21 Mike Stump <mrs@apple.com>
3751 * doc/invoke.texi (C++ Dialect Options): Note that
3752 -fvisibility-inlines-hidden doesn't affect explicitly
3753 instantiationed inline methods.
3755 2006-07-20 Roger Sayle <roger@eyesopen.com>
3757 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3758 if the target assembler is GNU binutils' gas.
3759 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3760 whether to pass GNU gas or native as command line options.
3762 2006-07-20 Jason Merrill <jason@redhat.com>
3764 * tree.c (remove_attribute): New fn.
3765 * tree.h: Declare it.
3767 2006-07-20 Paul Brook <paul@codesourcery.com>
3770 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3771 they are invalidated by this instruction.
3773 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3776 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3778 2006-07-20 Eric Christopher <echristo@apple.com>
3781 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3783 2006-07-19 Eric Christopher <echristo@apple.com>
3785 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3786 Rewrite dependencies for libgcc_s.1.dylib.
3788 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3790 * except.c (duplicate_eh_regions_1): Clear next_peer.
3792 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3794 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3795 -mlongcall does not guarantee all calls will be long.
3796 * doc/extend.texi (long_call/short_call): Document that longcall
3797 does not guarantee a long call will be used.
3798 (longcall/shortcall): Likewise.
3800 2006-07-18 Roger Sayle <roger@eyesopen.com>
3803 * expmed.c (expand_shift): Additionally check that the shift_cost
3804 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3805 before implementing a LSHIFT_EXPR as a sequence of additions.
3806 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3807 middle-end that DImode shifts need to be synthesized by expand.
3809 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3812 * tree-ssa-operands.c (access_can_touch_variable): Update
3814 Return true if ALIAS is .GLOBAL_VAR.
3816 2006-07-18 David Daney <ddaney@avtrex.com>
3818 * gcc.c (display_help): Fix typo in help text.
3820 2006-07-18 Olivier Hainque <hainque@adacore.com>
3822 * tree.h (categorize_ctor_elements): Adjust prototype and add
3823 descriptive comment, both in accordance with the interface change
3825 * varasm.c (constructor_static_from_elts_p): New function.
3826 Whether a constructor node is a valid static constant initializer
3827 if all its elements are.
3828 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3829 * output.h: Declare it.
3830 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3831 is a valid constant initializer instead of computing the number of
3832 non-constant elements. Use constructor_static_from_elts_p for this
3833 purpose. Replace the head comment with an indication that this is a
3834 helper for categorize_ctor_elements.
3835 (categorize_ctor_elements): Same interface change as for the _1
3836 helper. Former head comment from this helper moved here, adjusted to
3837 account for the interface changes.
3838 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3839 (all_zeros_p): Likewise.
3840 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3841 static versions of the constructor from the categorize_ctor_elements
3842 return value instead of the formerly computed number of non-constant
3845 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3847 * configure: Regenerate.
3848 * Makefile.in (build_libsubdir): New configure substitution
3849 (build_libobjdir): New variable.
3850 (BUILD_LIBIBERTY): Use it.
3852 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3855 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3857 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3860 * c-common.c (handle_weakref_attribute): Ignore attribute in
3861 the same conditions the alias attribute is ignored.
3863 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
3865 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
3866 (dbxout_begin_prologue): Increment scope_labelno.
3868 2006-07-17 Richard Henderson <rth@redhat.com>
3871 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
3874 2006-07-17 Roger Sayle <roger@eyesopen.com>
3875 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3877 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
3878 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
3879 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
3880 functions such as sbrk, write, etc.. Add function prototypes.
3881 Convert function declarations from K&R to ISO C. Cast pointers
3882 to "long" and "unsigned long" instead of "int" and "unsigned int".
3883 Convert tokens following #endif into comments.
3885 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3887 * invoke.texi: Remove mention of f77; Reformat table for
3888 inline parameter options correctly; mention that -malign-double
3889 is default on x86-64 targets.
3891 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3893 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3894 (convert_affine_scev, chrec_convert_aggressive): Use
3895 avoid_arithmetics_in_type_p. Do not check for the subtypes
3898 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3901 * optabs.c (expand_doubleword_shift): Wrap the call to
3902 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3904 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3907 * optabs.c (expand_binop): Pass next_methods rather than methods
3908 to expand_doubleword_shift.
3910 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3913 * tree.h (dump_addr): Declare.
3914 * print-tree.c (dump_addr): New function.
3915 (print_node_brief, print_node): Use it.
3916 * print-rtl.c (print_rtx): Likewise.
3917 * common.opt (-fdump-noaddr): New option.
3918 * doc/invoke.texi (-fdump-noaddr): Document.
3919 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3920 (ve_info_hash): Likewise.
3922 2006-07-13 Andrew Haley <aph@redhat.com>
3924 PR tree-optimization/19505
3925 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3926 edge leaving this block, make sure that the destination of this
3927 block has only one predecessor.
3929 2006-07-17 Richard Guenther <rguenther@suse.de>
3931 PR tree-optimization/28238
3932 * tree-inline.c (copy_bb): Check if we produced valid
3933 gimple copying and substituting a stmt. If not, gimplify
3936 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3938 * optabs.c (maybe_encapsulate_block): New function extracted from...
3939 (emit_libcall_block): ...here. Invoke it on the block of insns to
3940 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3941 (emit_no_conflict_block): Likewise.
3943 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3945 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
3947 2006-07-15 Roger Sayle <roger@eyesopen.com>
3949 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
3950 a new NOP_EXPR case of the switch statement.
3952 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
3955 * stor-layout.c (place_field): Take the bit field with
3956 an excessive size into account in the ms-bitfiled case.
3959 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
3960 the previous bit field.
3962 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
3965 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
3967 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
3969 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
3970 signal frames correctly even when the signal was installed with
3973 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
3975 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
3976 (dbxout_function_end): Use local label LFBB. Remove hook
3978 (dbxout_source_line): Use local label LFBB.
3979 (dbxout_block): Likewise.
3980 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
3981 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
3982 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
3983 and DBX_OUTPUT_NFUN.
3985 2006-07-13 Janis Johnson <janis187@us.ibm.com>
3987 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
3989 2006-07-13 Jan Hubicka <jh@suse.cz>
3991 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
3993 * output.h (align_variable): Declare.
3994 * varasm.c (align_variable): Export.
3995 * value-prof.c (tree_value_profile_transformations): Recompute iterator
3996 when basic block changed.
3998 2006-07-13 Nick Clifton <nickc@redhat.com>
4000 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4001 walking the LOG_LINKS chain.
4003 2006-07-12 Geoffrey Keating <geoffk@apple.com>
4005 * doc/invoke.texi (C++ Dialect Options): Explain difference
4006 between -fvisibility-inlines-hidden and setting hidden
4007 visibility explicitly.
4009 2006-07-12 Eric Christopher <echristo@apple.com>
4011 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4012 (stmp-lipo): Depend on libgcc.a.
4014 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
4016 * tree.c: Fix a comment typo.
4018 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
4020 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
4022 (umulhisi3_r): Likewise.
4024 2006-07-12 Paolo Carlini <pcarlini@suse.de>
4027 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
4028 x < 19, vs wchar_t support.
4030 2006-07-12 Nick Clifton <nickc@redhat.com>
4032 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
4033 instead of -isa=sh4.
4035 2006-07-12 Mike Stump <mrs@apple.com>
4037 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
4039 2006-07-10 Eric Christopher <echristo@apple.com>
4041 * config/t-slibgcc-darwin: Rewrite.
4043 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
4046 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
4049 2006-07-08 Matthias Klose <doko@debian.org>
4051 * doc/sourcebuild.texi: Fix typo.
4053 2006-07-07 Mike Stump <mrs@apple.com>
4055 * toplev.c (process_options): Don't give -ffunction-sections may
4056 affect debugging warning for Mach-O.
4058 2006-07-07 James E Wilson <wilson@specifix.com>
4060 * config/mips/mips.md (cpu): Add sb1a.
4061 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4062 addition to sb1. Adjust comments to clarify SB-1A differences from
4064 (ir_sb1a_load): New. Modify bypasses to use it.
4065 (ir_sb1a_simple_alu): Likewise.
4066 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4067 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4068 (mips_issue_rate): Add PROCESSOR_SB1A.
4069 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4070 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4071 (TARGET_SB1): Add PROCESSOR_SB1A check.
4072 (TUNE_SB1): Likewise.
4074 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4075 * config/mips/mips.c (mips_store_data_bypass_p): New.
4076 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
4077 store_data_bypass_p.
4079 2006-07-08 Paul Brook <paul@codesourcery.com>
4082 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4084 2006-07-07 Richard Guenther <rguenther@suse.de>
4087 * tree.h (build_one_cst): Declare.
4088 * tree.c (build_one_cst): New function.
4089 * tree-ssa-math-opts.c (get_constant_one): Remove.
4090 (insert_reciprocals): Use build_one_cst.
4091 * fold-const.c (fold_plusminus_mult): Likewise.
4093 2006-07-07 Roger Sayle <roger@eyesopen.com>
4095 * pointer-set.c (pointer_set_destroy): Correct whitespace.
4096 * cfgloopanal.c (dump_graph): Likewise.
4097 * dojump.c (discard_pending_stack_adjust): Likewise.
4098 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4100 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4101 * function.c (finalize_block_changes): Likewise.
4102 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4103 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4104 * rtl.c (dump_rtx_statistics): Likewise.
4105 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4107 * varray.c (dump_varray_statistics): Likewise.
4108 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4109 decode_decimal64, encode_decimal128, decode_decimal128,
4110 decimal_real_to_decimal): Likewise.
4112 2006-07-07 Richard Guenther <rguenther@suse.de>
4114 PR tree-optimization/28187
4115 * tree-vrp.c (vrp_operand_equal_p): New function.
4116 (vrp_bitmap_equal_p): Likewise.
4117 (update_value_range): Use them to compare old and new
4120 2006-07-06 Roger Sayle <roger@eyesopen.com>
4122 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4123 a default case to switch statement to silence compiler warnings.
4125 2006-07-06 Roger Sayle <roger@eyesopen.com>
4128 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4129 the configured assembler supports the x87's ffreep mnemonic.
4130 * configure: Regenerate.
4131 * config.in: Regenerate.
4133 * config/i386/i386.c (output_387_ffreep): New function.
4134 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4135 (output_387_reg_move): Likewise.
4137 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
4139 Port to hosts whose 'sort' and 'tail' implementations
4140 treat operands with leading '+' as file names, as POSIX
4141 has required since 2001. However, make sure the code still
4142 works on pre-POSIX hosts.
4143 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4144 which says you should use "tail -c +N" rather than "tail +Nc".
4145 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4147 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
4149 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4152 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4155 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4156 PRE_{INC,DEC} of TFmode.
4158 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4159 Alan Modra <amodra@bigpond.net.au>
4162 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4165 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4168 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4169 Remove duplicate gtu.
4171 2006-07-05 Jason Merrill <jason@redhat.com>
4175 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4176 * c-common.c (handle_packed_attribute): So don't copy it here.
4177 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4179 2006-07-05 Mike Stump <mrs@apple.com>
4181 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4183 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4186 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4188 2006-07-05 Richard Guenther <rguenther@suse.de>
4191 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4192 TARGET_SSE2 targets if using SSE math.
4193 (*absdf2_1): Likewise.
4195 2006-07-05 Richard Guenther <rguenther@suse.de>
4197 PR tree-optimization/28162
4198 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4199 make sure to convert the operands to the correct type.
4201 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4203 PR tree-optimization/28218
4205 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4206 to calculate and free the dominator information.
4208 2006-07-04 Peter O'Gorman <peter@pogma.com>
4210 * mklibgcc.in: chmod 644 before ranlib during install.
4212 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4213 J"orn Rennecke <joern.rennecke@st.com>
4215 * configure.ac (.eh_frame data check): Use diff -b.
4217 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4220 * Makefile.in (BUILD_RTL): Add build/vec.o.
4221 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4222 (build/genextract): Delete.
4223 (build/genautomata): Likewise.
4225 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4228 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4229 128-bit IBM long doubles for ABI_V4.
4231 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4233 * tree.c (range_in_array_bounds_p): New predicate.
4234 * tree.h (range_in_array_bounds_p): Declare it.
4235 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4236 return a less conservative answer.
4237 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4238 and flag 'is_group'.
4239 (IS_ELEMENT_FOR_GROUP): New macro.
4240 (FOR_EACH_ACTUAL_CHILD): Likewise.
4241 (next_child_for_group): New helper function.
4242 (can_completely_scalarize_p): Take into account groups.
4243 (sra_hash_tree): Handle RANGE_EXPR.
4244 (sra_elt_eq): Likewise.
4245 (lookup_element): Be prepared for handling groups.
4246 (is_valid_const_index): Delete.
4247 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4248 instead of is_valid_const_index.
4249 <ARRAY_RANGE_REF>: New case.
4250 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4251 is_valid_const_index.
4252 <ARRAY_RANGE_REF>: Do not unconditionally punt.
4253 (scan_dump): Dump info for groups too.
4254 (decide_instantiation_1): Likewise.
4255 (decide_block_copy): Assert that the element is not a group.
4256 Propagate decision to groups.
4257 (generate_one_element_ref): Handle RANGE_EXPR.
4258 (mark_no_warning): Iterate over actual childs.
4259 (generate_copy_inout): Likewise.
4260 (generate_element_copy): Likewise.
4261 (generate_element_zero): Likewise.
4262 (generate_element_init_1): Likewise.
4263 (dump_sra_elt_name): Handle RANGE_EXPR.
4265 2006-07-03 Roger Sayle <roger@eyesopen.com>
4267 PR tree-optimization/26251
4268 * tree-ssa-threadupdate.c (redirection_block_p): New function.
4269 (thread_block): When optimizing for size refuse to thread jumps
4270 that would require duplication of blocks other than redirection
4273 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4275 * configure.ac: Fix thinko in previous check-in.
4276 * configure: Regenerate.
4278 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4281 * configure.ac (for lang...): Simplify nesting of conditionals.
4282 Test subdir_requires for non-enabled languages. Move processing
4283 of lang_opt_files and lang_tree_fiels below that test.
4284 * configure: Regenerate.
4285 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4287 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4289 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4291 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4293 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4296 2006-06-29 Jason Merrill <jason@redhat.com>
4303 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4304 * c-common.c (c_determine_visibility): Handle it here.
4305 * c-decl.c (finish_decl): Call c_determine_visibility for
4307 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4309 * varasm.c (default_assemble_visibility): Likewise.
4310 * c-common.c (handle_visibility_attribute): Complain about trying
4311 to give visibility to an already defined class, or trying to change
4312 declared visibility. Always attach the attribute.
4317 * attribs.c (decl_attributes): Ignore type-in-place attributes
4318 once the type has been defined.
4320 2006-06-29 Roger Sayle <roger@eyesopen.com>
4323 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4324 to indicate the cpplib has issued an error message for us.
4326 2006-06-29 Asher Langton <langton2@llnl.gov>
4329 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4330 insert a label at the end of an function under Mach-O.
4332 2006-06-29 Eric Christopher <echristo@apple.com>
4333 Evan Cheng <evan.cheng@apple.com>
4335 * predicates.md (vector_all_ones_operand): New.
4336 (nonimmediate_or_sse_const_operand): Ditto.
4337 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4338 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4339 (standard_sse_mode_p): Ditto.
4340 (standard_sse_constant_p): Add case for -1 vector.
4341 (ix86_expand_vector_move): Try to use.
4342 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4343 Call standard_sse_constant_opcode.
4344 (*movv4sf_internal): Ditto.
4345 (*movv2df_internal): Ditto.
4347 2006-06-29 Roger Sayle <roger@eyesopen.com>
4349 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4350 of XEXP to extract the operands of a MATCH_CODE rtx.
4352 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4354 * tree.c (tree_size): Do not waste tail padding in
4355 struct tree_string and make the size be the same as
4356 build_string will generate.
4358 2006-06-28 Jason Merrill <jason@redhat.com>
4361 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4362 may_aliases already in the tag's annotations to the bitmap.
4364 2006-06-28 Roger Sayle <roger@eyesopen.com>
4366 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4368 2006-06-28 Roger Sayle <roger@eyesopen.com>
4370 * genpreds.c (generate_switch_p): New function.
4371 (add_mode_tests): Push the new mode test down inside an AND expr
4372 if this allows the switch-suitable MATCH_CODE to be near the root.
4373 (write_match_code_switch): New function to write a MATCH_CODE as
4375 (write_predicate_stmts): New function to write a predicate RTX
4376 expression as a sequence of statements.
4377 (write_one_predicate_function): Use write_predicate_stmts.
4378 (write_tm_constrs_h): Likewise.
4380 2006-06-26 Fred Fish <fnf@specifix.com>
4382 * config/mips/t-sb1: New file.
4383 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4386 2006-06-26 DJ Delorie <dj@redhat.com>
4388 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4390 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4391 Jayant Sonar <jayants@kpitcummins.com>
4392 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4394 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4395 (subsi3, subsi3_1, subsi3_2): New.
4396 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4397 * config/m32c/mov.md (SI mov peephole): New.
4398 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4399 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4401 2006-06-26 Olivier Hainque <hainque@adacore.com>
4403 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4404 a CALL_EXPR target function declaration.
4406 2006-06-26 Richard Guenther <rguenther@suse.de>
4408 * tree.c (build_string): Do not waste tail padding in
4411 2006-06-26 Richard Guenther <rguenther@suse.de>
4413 * ggc-page.c (init_ggc): Add missing element to size_lookup
4417 2006-06-23 Richard Guenther <rguenther@suse.de>
4419 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4420 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4421 alignment requests instead. Add verification code.
4422 Add struct tree_function_decl and struct tree_binfo size to
4423 extra_order_size_table. Add missing element to size_lookup
4426 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4429 * fold-const.c (const_binop): Be prepared for self returning zero.
4430 Simplify code handling complex values.
4432 2006-06-24 Olivier Hainque <hainque@adacore.com>
4434 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4435 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4438 2006-06-24 Olivier Hainque <hainque@adacore.com>
4440 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4441 ARRAY_REF, so have the callback called for the low bound expression.
4443 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4445 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4446 * c-typeck.c (c_common_type): Disallow operations on decimal float
4447 types and other float types.
4448 * convert.c (convert_to_real): Don't ignore conversions involving
4449 decimal float types.
4451 2006-06-23 Olivier Hainque <hainque@adacore.com>
4453 * tree.c (max_int_size_in_bytes): New function, inspired from
4454 code in function.c:assign_temp.
4455 * tree.h (max_int_size_in_bytes): Declare.
4456 * function.c (assign_temp): Use it.
4457 * gimplify.c (create_tmp_var): Relax the assertions on the type
4458 properties, not mandating constant size any more.
4459 (force_constant_size): New static function.
4460 (gimple_add_tmp_var): Use it, forcing variable size to a
4461 constant upper bound if it is not constant on entry.
4463 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4466 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4467 for initialization and setting of one_only flag to ...
4468 (i386_pe_encode_section_info): ...here.
4469 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4470 Recheck that the symbol has not been defined.
4472 2006-06-23 Richard Guenther <rguenther@suse.de>
4474 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4475 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4476 alignment requests instead. Add verification code.
4477 Add struct tree_function_decl and struct tree_binfo size to
4478 extra_order_size_table. Add missing element to size_lookup
4481 2006-06-22 Roger Sayle <roger@eyesopen.com>
4482 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4485 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4486 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4488 2006-06-23 Ben Elliston <bje@au.ibm.com>
4490 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4491 negate dn -- manipulate it directly.
4493 2006-06-22 Roger Sayle <roger@eyesopen.com>
4494 Steven Bosscher <stevenb.gcc@gmail.com>
4497 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4498 generated by gen_move_insn to add REG_LABEL notes if necessary.
4500 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4502 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4503 (leaf_entry): Remove use of MIN_ESA.
4505 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4507 PR rtl-optimization/28121
4508 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4511 2006-06-21 DJ Delorie <dj@redhat.com>
4513 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4515 (mulhisi3_r): Likewise.
4517 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4520 * coverage.c (coverage_counter_alloc): Leave the index type
4522 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4525 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4527 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4528 section from the "Options for Code Generation Conventions".
4530 2006-06-21 Richard Henderson <rth@redhat.com>
4534 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4536 (global_symbolic_operand): Allow weak symbols, even if local_p.
4538 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4540 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4541 (find_interesting_uses_address): Punt if above function returns true.
4543 2006-06-21 Richard Guenther <rguenther@suse.de>
4545 * configure: Regenerated.
4547 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4549 * config/mips/mips.c (function_arg): Where one part of a
4550 complex argument is in registers and the other part in the stack,
4551 return a REG not a PARALLEL.
4553 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4555 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4556 when cross-compiling. Do not substitute libstdcxx_incdir.
4557 * configure: Regenerated.
4559 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4561 * varasm.c (mergeable_string_section): Check for embedded NULs and
4562 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4563 rather than TREE_STRING_LENGTH bytes.
4565 2006-06-21 Richard Guenther <rguenther@suse.de>
4567 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4568 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4571 2006-06-21 Richrad Guenther <rguenther@suse.de>
4573 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4574 Limit iteration over the dominators.
4576 2006-06-20 Roger Sayle <roger@eyesopen.com>
4578 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4579 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4581 2006-06-20 Richard Guenther <rguenther@suse.de>
4582 Michael Matz <matz@suse.de>
4584 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4586 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4587 * et-forest.h (et_free_pools): Prototype new function.
4588 * et-forest.c (et_free_tree_force): Free parent occurrence.
4589 (et_free_pools): New function.
4590 * dominance.c (free_dominance_info): Free et-forest alloc
4593 2006-06-20 Roger Sayle <roger@eyesopen.com>
4595 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4596 integer modes, attempt to directly construct an integer constant.
4598 * fold-const.c (native_encode_vector): Determine the size of each
4599 element from the vector type instead of the first vector element.
4601 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4602 if all of its elements/components are constant.
4603 (build_constructor_from_list): Likewise.
4605 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4607 PR tree-optimization/27331
4608 * tree-data-ref.c (free_data_ref): New function.
4609 (create_data_ref): Fail if the data reference has unknown access
4611 (free_data_refs): Use free_data_ref.
4613 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4616 * tree-inline.c (setup_one_parameter): Strip useless
4617 type conversion before adding it to the IR.
4618 (declare_return_variable): Likewise.
4620 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4623 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4625 2006-06-19 Mike Stump <mrs@apple.com>
4627 * tree.c (variably_modified_type_p): VM arguments don't make the
4630 2006-06-19 Richard Guenther <rguenther@suse.de>
4632 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4633 type conversions after folding.
4635 2006-06-19 Richard Guenther <rguenther@suse.de>
4637 * ggc-page.c (extra_order_size_tab): Add entries with
4638 size of struct function and basic_block.
4639 (size_lookup): Extend to cover sizes up to 511.
4640 (ggc_alloc_stat): Adjust user.
4641 (ggc_pch_count_object): Likewise.
4642 (ggc_pch_alloc_object): Likewise.
4643 (ggc_pch_write_object): Likewise.
4645 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4647 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4648 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4651 2006-06-19 Denis Chertykov <denisc@overta.ru>
4653 * config/avr/libgcc.S : Correct my wrong previous commit.
4655 2006-06-19 Roger Sayle <roger@eyesopen.com>
4658 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4659 have stripped a SUBREG from the shift count, so we may need to
4660 convert_to_mode back to the type's mode before calling make_tree.
4661 Use new_amount instead of amount to avoid expanding a tree twice.
4663 2006-06-19 Richard Guenther <rguenther@suse.de>
4666 * fold-const.c (operand_equal_p): Check if the argument types
4667 have the same precision before stripping NOPs.
4669 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4671 Fix PR tree-optimization/27341
4672 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4674 * tree-complex.c (pass_lower_complex): Update SMT usage.
4676 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4678 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4679 Add a new alternative to the constraint strings. Add move of
4680 operand 1 to 3 to the splitter definition.
4681 ("doloop_si_long"): Second contraint alternative removed.
4683 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4685 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4686 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4688 (AVR_HAVE_MOVW) Define.
4689 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4690 (ASM_SPEC): Add avr25.
4691 (LINK_SPEC): Add avr25.
4692 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4693 (base_arch_s): Add new member 'have_movw_lpmx'.
4694 (avr_arch_types): Init 'have_movw_lpmx'.
4695 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4696 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4697 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4698 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4699 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4701 (avr_file_start): Do not output '.arh' derective.
4702 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4703 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4704 * config/avr/avr.md (mcu_enhanced): Delete.
4705 (mcu_have_movw): Define.
4706 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4707 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4708 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4709 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4710 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4711 attiny861 and at86rf401 devices.
4713 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4715 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4718 2006-06-17 Karl Berry <karl@gnu.org>
4720 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4721 doc/gccint.texi, doc/install.texi (@dircategory): Use
4722 "Software development" instead of "Programming", following
4723 the Free Software Directory.
4725 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4727 * config/i386/i386.c (legitimate_tls_address)
4728 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4729 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4730 (*tls_dynamic_gnu2_combine_64): Likewise.
4732 2006-06-16 Richard Guenther <rguenther@suse.de>
4735 * fold-const.c (negate_expr_p): Do not introduce undefined
4736 overflow in negating INTEGER_CSTs.
4737 (fold_negate_expr): Rename from negate_expr. Revert last
4738 change for folding BIT_NOT_EXPR. Change semantics to
4739 return NULL_TREE for non-simplified negations. Do not
4740 strip type conversions and unify type handling.
4741 (negate_expr): New function, wrap around fold_negate_expr
4742 but ensure building a tree always. Strip type conversions
4743 here, fold to result type.
4744 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4746 2006-06-16 Roger Sayle <roger@eyesopen.com>
4749 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4750 that (would) return their results in stack registers.
4752 2006-06-16 Michael Matz <matz@suse.de>
4753 Richard Guenther <rguenther@suse.de>
4755 * fold-const.c (fold_truthop): Only return new tree node if
4756 we canonicalized something.
4758 2006-06-16 Richard Guenther <rguenther@suse.de>
4760 * function.h (enum function_frequency): Move declaration
4761 out of struct function.
4762 (struct function): Move bool fields and the enum to the bitfield
4763 section. Reorder elements to avoid padding. Remove unused
4764 fields left over from the RTL inliner removal.
4765 * function.c (free_after_compilation): Do not zero removed fields.
4766 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4767 (ipa-type-escape.o): Likewise.
4769 2006-06-16 Richard Guenther <rguenther@suse.de>
4771 * cgraph.h (struct cgraph_local_info): Turn bool elements
4773 (struct cgraph_node): Likewise.
4774 (struct cgraph_varpool_node): Likewise.
4776 2006-06-15 Richard Guenther <rguenther@suse.de>
4778 * fold-const.c (fold_truth_not_expr): Rename from
4779 invert_truthvalue. Give it fold_* semantics to avoid
4781 (invert_truthvalue): New function. Wrapper around
4782 fold_truth_not_expr.
4783 (optimize_minmax_comparison): Avoid creating garbage.
4784 (fold_unary): Use fold_truth_not_expr for folding
4786 (fold_ternary): Replace uses of invert_truthvalue with
4787 fold_truth_not_expr where applicable.
4788 * tree.h (fold_truth_not_expr): Prototype.
4790 2006-06-16 Richard Guenther <rguenther@suse.de>
4792 PR tree-optimization/27781
4793 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4794 * ipa-pure-const.c (target.h): Include.
4795 (analyze_function): Do not analyze functions that do not
4798 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4801 * tree-dfa.c (referenced_vars_dup_list): Remove.
4802 (find_referenced_vars): Remove assert.
4803 (referenced_var_check_and_insert): Replace dup list with assert.
4804 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4805 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4807 2006-06-15 Richard Guenther <rguenther@suse.de>
4809 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4810 extra unused identifiers if not dumping.
4811 (create_variable_info_for): Likewise.
4813 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4815 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4816 (derive_constant_upper_bound): Derive more precise upper bound in
4817 common cases. Return type changed to double_int.
4818 (record_estimate): Reflect the changed return type of
4819 derive_constant_upper_bound.
4820 * double-int.c (double_int_zext, double_int_sext): Fix.
4822 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4824 * configure.ac (CFLAGS): Get them from the toplevel or from the
4825 configure invocation.
4826 * configure: Regenerate.
4827 * Makefile.in (CFLAGS): Substitute value provided by configure.
4829 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4832 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4833 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4834 rather than calling add_stmt on it.
4835 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4837 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4840 * reload1.c (reload): Remove registers returned by update_eliminables
4841 from used_spill_regs.
4843 2006-06-13 DJ Delorie <dj@redhat.com>
4845 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4847 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4849 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4850 html__strip_dir, html__mkdir_p. Enhance install-html target.
4851 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4852 * configure: Regenerate.
4854 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4856 * fold-const.c (fold_cond_expr_with_comparison): Check for
4857 Objective-C++ as language in deciding COND_EXPR transformation.
4859 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
4862 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
4863 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
4864 * config/sh/lib1funcs.h (SL, SL1): Define.
4865 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
4866 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
4867 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
4868 (OBJS_Os_4_200): New variable.
4869 ($(T)libgcc-Os-4-200.a): Use it.
4870 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
4871 when dividing 1 and/or by 0.
4873 2006-06-13 Roger Sayle <roger@eyesopen.com>
4875 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
4876 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
4877 * configure: Regenerate.
4879 2006-06-13 Jie Zhang <jie.zhang@analog.com>
4881 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
4882 for real instruction.
4884 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4887 * haifa-sched.c (check_cfg): Handle special case.
4889 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4892 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4893 Add debug_info parameter. Chain the vars to the BLOCK instead
4894 of the BIND_EXPR if debug info are requested for them.
4895 (pop_gimplify_context): Adjust for above change.
4896 (gimple_add_tmp_var): Likewise.
4897 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4899 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4900 (convert_local_reference): Likewise.
4901 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4902 (finalize_nesting_tree_1): Request that debug info be emitted
4903 for debug_var_chain.
4905 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4907 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4908 for PR target/27863.
4910 2006-06-13 Richard Guenther <rguenther@suse.de>
4913 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4915 2006-06-13 Richard Guenther <rguenther@suse.de>
4917 PR tree-optimization/27830
4918 * tree-inline.c (copy_body_r): For copying the operand
4919 of an ADDR_EXPR make sure to fold &* afterwards.
4921 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4923 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4924 lvalues in the fb_none case with side-effects.
4926 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4928 * tree-flow.h: Remove the prototype for
4929 compute_phi_arg_on_exit.
4930 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4931 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4934 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4936 * builtins.c (expand_builtin_return_addr): Only use
4937 frame_pointer_rtx when count == 0 and we are expanding
4938 __builtin_return_address.
4940 2006-06-12 Fred Fish <fnf@specifix.com>
4942 * config/mips/mips.c (mips_file_start): Create special section
4943 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
4945 2006-06-11 Eric Christopher <echristo@apple.com>
4948 * stor-layout.c (place_field): Remove check for
4949 remaining_in_alignment when aligning at the end of a run.
4951 2006-06-11 Eric Christopher <echristo@apple.com>
4954 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
4957 2006-06-11 Roger Sayle <roger@eyesopen.com>
4960 Revert incorrect fix for PR target/27158
4961 2006-05-08 Roger Sayle <roger@eyesopen.com>
4962 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4963 of a reg_equiv_constant if the result is a legitimate constant.
4965 2006-06-11 Roger Sayle <roger@eyesopen.com>
4968 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
4969 extract a CONST_VECTOR element and interpret it as an integer.
4970 (vspltis_constant): Use const_vector_elt_as_int instead of the
4971 macro CONST_VECTOR_ELT in order to handle FP vector modes.
4972 * config/rs6000/predicates.md (easy_vector_const): Consider
4973 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
4975 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
4978 * stor-layout.c (update_alignment_for_field): Don't add extra
4979 alignment for packed non-bitfield fields in ms_bitfield_layout_p
4982 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
4984 * config/mips/t-rtems: Add EL/EB multilib variants.
4986 2006-06-09 Mike Stump <mrs@apple.com>
4988 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
4990 2006-06-09 David Daney <ddaney@avtrex.com>
4992 * doc/install.texi: Add binutils version recommendation for mips-*-*.
4994 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
4996 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
4998 2006-06-09 Richard Guenther <rguenther@suse.de>
5000 PR tree-optimization/26998
5001 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
5002 of signed types, only TYPE_MIN_VALUE is special, but for both,
5003 minimum and maximum value. Likewise VR_ANTI_RANGE is special
5004 in this case, as is -fwrapv.
5006 2006-06-08 Mike Stump <mrs@apple.com>
5009 * config/darwin.c (darwin_asm_output_anchor): Disable
5010 -fsection-anchors on darwin for now.
5011 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
5012 * rs6000/rs6000.c (optimization_options): Likewise.
5014 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5017 * config/i386/i386.c (classify_argument): Skip fields with invalid
5020 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
5022 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
5023 (cse_insn): Likewise for the stack_pointer_rtx.
5025 2006-06-08 Roger Sayle <roger@eyesopen.com>
5027 * tree-ssa-dom.c (record_conditions): Only record "unordered"
5028 conditions from floating point comparisons.
5030 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
5033 * expmed.c (struct alg_hash_entry): Fix type of field T
5034 to match synth_mult argument.
5035 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
5037 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5040 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
5043 2006-06-08 Richard Guenther <rguenther@suse.de>
5046 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
5047 only, if overflow is defined and not trapping.
5048 (negate_expr): Likewise.
5050 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5052 PR tree-optimization/27872
5053 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5054 flag on the new exit edge of the unrolled loop.
5056 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5058 PR rtl-optimization/26449
5059 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5061 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
5064 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
5065 referenced_variables with matching DECL_UID's.
5066 (find_referenced_vars): Make sure duplicate list is empty to start.
5067 (referenced_var_p): Remove.
5068 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5069 Check if var is in the list, and add if needed. Update the duplicate
5070 list if a different var is in the list with the same DECL_UID.
5071 (add_referenced_var): Call routine to check and insert.
5072 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5073 * tree-flow.h (referenced_vars_dup_list): External declaration.
5075 2006-06-07 Fred Fish <fnf@specifix.com>
5077 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5080 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
5083 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5084 the imaginary and real parts of a clobbered register.
5085 Emit insn to set the imaginary part.
5087 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
5089 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5090 in lieu of unwind-dw2-fde.c.
5092 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5094 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5096 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
5099 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5100 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5101 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5102 V4SImode temporaries and operations instead.
5104 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
5106 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5109 2006-06-06 Mike Stump <mrs@apple.com>
5111 * Makefile.in: Rename to htmldir to build_htmldir to avoid
5112 installing during build.
5114 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5116 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5118 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5119 * config/ia64/ia64.c (params.h): New header.
5120 (ia64_optimization_options): New function to adjust parameters.
5121 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5122 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5123 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5125 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
5127 * stor-layout.c (debug_rli): Fix a typo in a debug message.
5129 2006-06-05 Steve Ellcey <sje@cup.hp.com>
5132 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5134 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
5135 Victor Kaplansky <victork@il.ibm.com>
5137 PR tree-optimization/26360
5138 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5141 2006-06-04 Roger Sayle <roger@eyesopen.com>
5142 Andrew Pinski <pinskia@physics.uc.edu>
5145 * c-common.c (c_common_truthvalue_conversion): Explicitly check
5146 for LABEL_DECL before calling DECL_WEAK.
5149 * c-typeck.c (build_binary_op): Likewise, explicitly check for
5150 LABEL_DECL and PARM_DECL.
5152 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
5156 * c-decl.c (grokdeclarator): Disallow variably modified types at
5157 file scope. Avoid marking shared array type of constant size as
5160 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5163 * c-common.c (fold_offsetof_1): Handle static members.
5165 2006-06-04 Eric Christopher <echristo@apple.com>
5167 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5168 (debug_rli): Output value for remaining_in_alignment.
5169 (update_alignment_for_field): Unconditionalize
5170 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5171 extra alignment code.
5172 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5173 ms_bitfield_layout_p code. Rewrite handling of structure fields.
5174 * tree.h (record_layout_info_s): Remove prev_packed.
5175 * doc/extend.texi (ms_struct): Add documentation of format.
5177 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5179 * tree.h: Declare folding_initializer.
5180 * builtins.c (fold_builtin_constant_p): Give definite answer
5181 if folding inside an initializer.
5182 * fold-const.c: Define folding_initializer.
5183 (START_FOLD_INIT): Save and then set folding_initializer.
5184 (END_FOLD_INIT): Restore folding_initializer.
5186 2006-06-04 Richard Guenther <rguenther@suse.de>
5188 PR tree-optimization/27039
5189 * fold-const.c (fold_comparison): Handle pointer comparison
5190 again for all comparison codes. Compare offsets in signed
5192 (fold_binary): Move code from here.
5194 2006-06-03 Roger Sayle <roger@eyesopen.com>
5197 * config/i386/i386.c (construct_container): Split static issued_error
5198 flag into issued_sse_arg_error, issued_sse_ret_error and
5199 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5200 requires the use of x87 registers and the user explicitly
5201 specified the -mno-80387 command line option.
5203 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5205 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5206 HAVE_DECL_SIGALTSTACK.
5208 (segv_handler): Use MC_FLD.
5209 * configure.ac: Check for a sigaltstack declaration.
5210 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5211 * configure: Regenerate.
5212 * config.in: Regenerate.
5214 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5217 * Makefile.in (stmp-fixinc): Fix typo.
5219 2006-06-02 Roger Sayle <roger@eyesopen.com>
5221 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5222 are type correct. Clean-up.
5223 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5224 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5226 2006-06-01 DJ Delorie <dj@redhat.com>
5228 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5229 shift, as we've disabled the "switch" insn that needs it.
5231 2006-06-01 Per Bothner <bothner@bothner.com>
5233 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5234 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5235 * c-ppoutput.c (cb_define): Don't increment line 0.
5237 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
5239 * doc/invoke.texi: Add cpu_type power6.
5240 * config.gcc: Add cpu_type power6.
5241 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5242 to power5+ with Altivec.
5243 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5244 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5246 2006-05-30 Anatoly Sokolov <aesok@post.ru>
5248 * config/avr/avr.h (SET_ASM_OP): Define.
5250 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
5252 * config/bfin/bfin.c: Fix comment typos.
5254 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5257 * doc/install.texi: Document --enable-bootstrap and
5258 --disable-bootstrap.
5260 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5262 * doc/install.texi: Document that InfoZIP can replace jar.
5264 2006-05-31 Roger Sayle <roger@eyesopen.com>
5266 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5267 isn't available, directly generate the simpler x87 patterns without
5268 the (use (const_int 0)).
5269 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5270 implementation isn't available.
5271 (*negdf2_1): Likewise.
5272 (*negxf2_1): XF mode negation is always done using the x87.
5273 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5275 2006-05-31 Roger Sayle <roger@eyesopen.com>
5277 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5278 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5280 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5282 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5284 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5285 * config/bfin/bfin.c (basic-block.h): Include.
5286 (struct machine_function): New.
5287 (bfin_init_machine_status): New.
5288 (override_options): Initialize init_machine_status.
5289 (bfin_hardware_loop): New.
5290 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5291 (DEF_VEC_P (loop_info)): New.
5292 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5293 (struct loop_info): New.
5294 (loop_info): New typedef.
5295 (struct loop_work): New.
5296 (loop_work): New typedef.
5297 (DEF_VEC_O (loop_work)): New.
5298 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5299 (bfin_dump_loops): New.
5300 (bfin_bb_in_loop): New.
5301 (bfin_scan_loop): New.
5302 (bfin_optimize_loop): New.
5303 (bfin_reorg_loops): New.
5304 (bfin_reorg): Use bfin_reorg_loops.
5305 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5307 (I_REGNO_P): Simplify.
5308 (DP_REGNO_P, DPREG_P): New macros.
5309 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5310 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5311 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5312 Add LT_REGS, LC_REGS, LB_REGS.
5313 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5315 (REGNO_REG_CLASS): Deal with loop registers.
5316 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5318 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5319 New constants for loop registers.
5320 (UNSPEC_LSETUP_END): New.
5321 (seq_insns): New define_attr. Set it for appropriate insns.
5322 (movsi_insn): Add alternatives for move from/to
5323 loop count registers.
5324 (doloop_end): New define_expand.
5325 (loop_end): New define_insn.
5326 (define_split for bad doloop_end): New.
5327 (lsetup_with_autoinit): New define_insn.
5328 (lsetup_without_autoinit): New define_insn.
5329 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5330 * config/bfin/predicates.md (lc_register_operand): New.
5331 (lt_register_operand): New.
5332 (lb_register_operand): New.
5333 (nondp_register_operand): New.
5334 (nondp_reg_or_memory_operand): New.
5335 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5337 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5339 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5340 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5342 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5344 * Makefile.in (CATALOGS): Add po/ prefix.
5345 * configure: Regenerated.
5347 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5350 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5351 a shift operand before calling shift_op. Avoid redundant call of
5354 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5355 DJ Delorie <dj@redhat.com>
5357 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5358 we're inserting is a singlt-bit constant.
5360 2006-05-30 Roger Sayle <roger@eyesopen.com>
5362 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5363 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5365 2006-05-30 Roger Sayle <roger@eyesopen.com>
5367 PR tree-optimization/23452
5368 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5369 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5370 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5371 complex values and with -ffast-math for FP complex values.
5373 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5375 * c-common.h: Remove the prototype for yyparse.
5376 * rtl.h: Remove the prototype for init_loop.
5378 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5380 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5383 2006-05-30 Roger Sayle <roger@eyesopen.com>
5385 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5387 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5388 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5390 2006-05-30 Dirk Mueller <dmueller@suse.de>
5393 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5394 for CONSTANT_CLASS_P expresisons.
5396 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5399 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5401 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5403 PR tree-optimization/27779
5404 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5405 initial_condition instead of CHREC_LEFT.
5407 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5409 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5410 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5411 Make prototypes ISO C90.
5413 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5414 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5416 * see.c (see_analyze_one_def): Correct check.
5417 (see_get_extension_data): Check if extension is parallel.
5418 (see_get_extension_reg): Likewise.
5420 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5423 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5424 into register for (code == GTU).
5426 2006-05-29 Roger Sayle <roger@eyesopen.com>
5428 PR tree-optimization/24964
5429 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5430 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5431 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5432 abs(x)*abs(x) as x*x for scalar floating point modes.
5434 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5437 * lambda-code.c (perfect_nestify): Don't copy statements
5438 in the inner loop: move them to the inner loop header.
5440 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5443 * c-tree.texi: Document OpenMP directives and clauses.
5445 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5447 * varasm.c (globalize_decl): Fix indentation.
5449 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5452 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5453 pass_fre, pass_store_ccp, pass_copy_prop,
5454 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5455 pass_return_slot, pass_object_size, pass_lim,
5456 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5457 pass_loop_prefetch and pass_stdarg.
5459 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5461 * config/bfin/bfin.opt (mfdpic): New option.
5462 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5463 (EXTRA_MULTILIB_PARTS): Likewise.
5464 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5465 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5467 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5468 (CRT_CALL_STATIC_FUNCTION): New.
5469 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5471 (CRT_CALL_STATIC_FUNCTION): New.
5472 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5474 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5475 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5476 (initialize_trampoline): Changed to handle FD-PIC code generation.
5477 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5478 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5479 (override_options): Disallow -mid-shared-library -mfdpic combination.
5480 Can't do unaligned ops if FD-PIC.
5481 Turn off flag_pic if trying to generate non-id-shared-library
5482 non-fdpic code, since it's not supported.
5483 (bfin_assemble_integer): New function.
5484 (TARGET_ASM_INTEGER): Define.
5485 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5487 * config/bfin/crtn.s: Restore them.
5488 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5490 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5491 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5492 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5493 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5494 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5496 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5497 FDPIC_REGS and FDPIC_FPTR_REGS.
5498 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5499 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5500 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5501 (load_funcdescsi): New pattern.
5502 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5503 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5504 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5506 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5508 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5511 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5513 * tree-flow.h: Remove the prototype for add_type_alias.
5514 * tree-ssa-alias.c (add_type_alias): Remove.
5516 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5518 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5519 config/fr30/fr30.md, config/i386/i386-interix.h,
5520 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5521 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5522 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5523 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5524 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5525 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5526 Follow spelling conventions.
5527 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5528 Follow spelling conventions.
5530 2006-05-27 Richard Guenther <rguenther@suse.de>
5533 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5534 to produce a constant of value 1 of generic type.
5536 2006-05-27 Dirk Mueller <dmueller@suse.de>
5538 * cgraphunit.c (decide_is_function_needed): Fix wrong
5541 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5543 PR rtl-optimization/27661
5544 * reload.c (find_reloads): When reloading a VOIDmode constant
5545 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5546 use Pmode as mode of the reload register.
5548 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5550 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5551 is enabled at -O and above.
5553 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5556 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5559 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5562 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5563 for anonymous variables explicitly declared by front ends.
5565 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5567 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5568 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5569 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5570 ref-all pointers, run a finalization pass for them.
5571 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5572 (finalize_ref_all_pointers): New function.
5573 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5574 regular pointer type to a ref-all pointer type.
5575 (get_tmt_for): Return the special memory tag for ref-all pointers.
5577 2006-05-25 Richard Guenther <rguenther@suse.de>
5580 * fold-const.c (fold_binary): Do not look at the stripped
5581 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5583 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5585 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5586 for LT and GT if the computed range is effectively empty.
5588 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5591 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5592 mips_quad_format formats instead of ieee_single_format,
5593 ieee_double_format and ieee_quad_format formats, respectively.
5595 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5597 PR tree-optimization/27639
5598 PR tree-optimization/26719
5599 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5600 call to scev_probably_wraps_p.
5601 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5602 used_in_pointer_arithmetic_p, convert_step): Removed.
5603 (nowrap_type_p): New function.
5604 (scev_probably_wraps_p): Rewritten.
5605 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5606 chrec_convert if chrec_convert_aggressive might have been used.
5607 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5608 scev_direction): New functions.
5609 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5610 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5611 instead of convert_step.
5612 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5613 (convert_step): Declaration removed.
5614 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5616 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5618 * df-core.c: Added to header comments.
5619 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5620 df_ur_bb_info, df_urec_bb_info): Added comments.
5621 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5622 urec, ri problems): Fixed header comments.
5623 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5624 code from df_rd_transfer_function.
5626 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5628 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5629 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5630 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5632 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5634 * expr.c (undefined_operand_subword_p): New.
5635 (emit_move_multi_word): Do not generate move from undefined bits
5636 of a paradoxical subreg.
5638 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5640 PR rtl-optimization/27736
5641 * combine.c (replaced_rhs_value): New variable.
5642 (combine_instructions): Set it.
5643 (distribute_notes): When distributing a note in replaced_rhs_insn,
5644 check whether the value was used in replaced_rhs_value.
5646 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5649 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5650 add_referenced_var instead of add_referenced_tmp_var.
5651 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5652 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5654 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5655 tree_optimize_tail_calls_1): Use add_referenced_var.
5656 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5657 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5658 Use add_referenced_var.
5659 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5660 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5661 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5662 Use add_referenced_var.
5663 * tree-dfa.c (struct walk_state): Remove.
5664 (find_referenced_vars): Remove walk state and vars_found hash table.
5665 (make_rename_temp): Use add_referenced_var.
5666 (find_vars_r): Pass less parameters to add_referenced_var.
5667 (referenced_var_p): New. Is var in referenced_var hash table.
5668 (referenced_var_insert): Assert var isn't already in hash table.
5669 (add_referenced_var): Don't need walk_state parameter. Add var if it
5670 isn't already in the hash table.
5671 (add_referenced_tmp_var): Remove.
5672 (find_new_referenced_vars_1): Use add_referenced_var.
5673 * tree-ssa-pre.c (create_expression_by_pieces,
5674 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5675 Use add_referenced_var.
5676 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5677 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5678 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5680 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5681 vect_create_data_ref_ptr, vect_create_destination_var,
5682 vect_init_vector, vect_build_loop_niters,
5683 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5684 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5685 Use add_referenced_var.
5686 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5687 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5688 (add_referenced_var): Add prototype.
5689 * tree-ssa-structalias.c (get_constraint_for,
5690 intra_create_variable_infos): Use add_referenced_var.
5692 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5694 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5695 big-endian paradoxical subregs.
5696 * var-tracking.c (struct micro_operation_def): Document that,
5697 for modify micro operations, insn is the subsequent instruction.
5698 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5699 (var_reg_set, var_mem_set): ... new functions.
5700 (add_stores): Record subsequent insn.
5701 (compute_bb_dataflow): Use new functions for MO_USE.
5702 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5703 notes after the insn, and modify notes before the insn known
5704 to be the subsequent one.
5705 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5707 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5710 * config/i386/i386.c (ix86_expand_builtin): Use
5711 gen_sse3_monitor64 for TARGET_64BIT.
5713 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5715 PR rtl-optimization/26375
5716 PR rtl-optimization/26855
5717 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5719 (df_ru_bb_local_compute): Reversed statements and removed bogus
5720 comment explaining why they should be in wrong order.
5721 (df_ru_dump, df_rd_dump): Enhanced debug info.
5722 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5724 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5725 reaching uses and fixed space problem.
5727 2006-05-23 Jan Hubicka <jh@suse.cz>
5729 * cgraphunit.c (decide_is_function_needed): Also nested functions
5730 and functions declared inline can be optimized out at -O0.
5732 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5734 * doc/install.texi (Configuration): Remove reference to CrossGCC
5738 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5741 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5742 ix86_compare_emitted is non-NULL.
5744 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5747 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5750 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5752 PR rtl-optimization/25514
5753 * combine.c (replaced_rhs_insn): New variable.
5754 (combine_instructions): Set replaced_rhs_insn when trying to replace
5755 a SET_SRC with a REG_EQUAL note.
5756 (distribute_notes): Use replaced_rhs_insn when determining the live
5757 range of a REG_DEAD register.
5759 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5760 Anatoly Sokolov <aesok@post.ru>
5762 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5763 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5764 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5765 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5766 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5767 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5768 at90usb647, at90usb1286 and at90usb1287 devices.
5769 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5770 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5772 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5774 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5776 2006-05-22 Richard Guenther <rguenther@suse.de>
5779 2006-01-31 Richard Guenther <rguenther@suse.de>
5780 Paolo Bonzini <bonzini@gnu.org>
5782 * doc/install.texi (--disable-libgcc-math): Document.
5784 2006-05-22 Richard Guenther <rguenther@suse.de>
5787 2006-01-31 Richard Guenther <rguenther@suse.de>
5789 * doc/invoke.texi (-msselibm): Document.
5790 * target.h (expand_library_builtin): New target hook.
5791 * builtins.c (expand_builtin): Use expand_library_builtin.
5792 (default_expand_library_builtin): New function.
5793 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5794 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5795 (link_gcc_math_spec): Declare.
5796 (static_specs): Add link_gcc_math_spec.
5797 * expr.h (default_expand_library_builtin): Declare.
5798 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5799 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5800 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5801 * config/i386/i386.opt (msselibm): New target option.
5802 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5803 (ix86_init_sse_abi_builtins): New function.
5804 (ix86_expand_library_builtin): Likewise.
5805 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5806 (override_options): Handle error conditions wrt -msselibm.
5807 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5808 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5809 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5812 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5815 * c-common.c (self_promoting_args_p): Skip erroneous args.
5818 * c-decl.c (finish_struct): Skip erroneous fields.
5820 2006-05-22 Nick Clifton <nickc@redhat.com>
5822 * config/cris/cris.opt (march): Remove VarExists attribute.
5823 (max-stackframe=): Likewise.
5825 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5827 * doc/rtl.texi: Fix a typo.
5828 * see.c: Fix comment typos.
5830 * tree-ssa-structalias.h (alias_info): Remove num_references.
5832 2006-05-21 Mike Stump <mrs@apple.com>
5834 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5836 (darwin_pragma_options): Use BAD instead.
5837 (darwin_pragma_unused): Likewise.
5838 (darwin_pragma_ms_struct): Likewise.
5840 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5842 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5844 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5846 PR rtl-optimization/27671
5847 * simplify-rtx.c (simplify_relational_operation_1): Fix
5848 simplifications of (eq/ne (xor x y) y) and
5849 (eq/ne (xor x y) x).
5851 PR tree-optimization/26622.
5852 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5855 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5857 * tree-cfg.c: Prune whitespace.
5858 (debug_tree_cfg): Point to correct header containing the
5861 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5864 * cgraphunit.c (verify_cgraph_node): Typo in error message.
5866 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
5869 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
5870 or sorry count is non zero.
5872 2006-05-20 Andreas Schwab <schwab@suse.de>
5874 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5876 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
5877 Kenneth Zadeck <zadeck@naturalbridge.com>
5879 PR rtl-optimization/26855
5881 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
5883 (df_scan_alloc): Added code to properly handle multiword hard
5884 registers and add all_blocks parameter.
5885 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5886 code to properly handle multiword hard registers.
5887 (df_rescan_blocks): Added code to remove deleted blocks from
5889 (df_ref_create_structure, df_ref_record): Added code to properly
5891 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5892 and set DF_REF_PARTIAL.
5893 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5894 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5895 (df_scan_add_problem): Added flags parameter.
5896 (df_ref_create_structure): Changed switching structure.
5897 (df_bb_refs_record): Fixed case where duplicate artificial refs
5898 were created. Changed location of flags.
5899 (df_record_entry_block_defs): Added code to make stack pointer
5900 live in entry block. Refined cases where frame pointer is needed.
5901 Changed location of flags.
5902 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5903 (df_set_state): Removed function.
5904 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5905 df_insn_create_insn_record, df_insn_refs_delete,
5906 df_ref_create_structure): Formatting changes.
5907 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5908 df_delete_basic_block): New function.
5909 (df_init): Changed location of flags.
5910 (df_add_problem): Added flags parameter and the way flags are
5912 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5913 debug_df_chain): Improved debugging output.
5914 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5915 (df_refs_chain_dump): Removed df parameter.
5916 (df_iterative_dataflow): Added consistency check.
5917 (df_prune_to_subcfg): Made public.
5918 (df_analyze_problem): Added blocks_to_init parameter and made
5920 (df_ref_record, df_bb_refs_record, df_mark_reg,
5921 df_record_exit_block_uses): Whitespace changes.
5922 (df_dump): Whitespace changes.
5923 * df.h: Some reordering to remove forward references.
5924 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5925 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5926 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5927 (dataflow.flags): New field.
5928 (df.flag): Deleted field.
5929 (df_alloc_function): Added additional bitmap parameter.
5930 (df_dependent_problem_function): New type.
5931 (df_problem.changeable_flags): New field.
5932 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5933 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5934 (df_mw_hardreg): New struct.
5935 (DF_INSN_UID_MWS): New macro.
5936 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5938 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5939 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5940 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5941 (df_set_state): Removed function.
5942 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
5943 * df-problems.c (df_chain_dump): Removed df parameter.
5944 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
5945 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
5947 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
5948 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
5949 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
5950 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
5951 DF_REF_MUST_CLOBBER cases.
5952 (df_ru_bb_local_compute_process_def,
5953 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
5954 df_lr_bb_local_compute, df_ur_bb_local_compute,
5955 df_chain_create_bb): Made subreg aware.
5956 (df_ru_bb_local_compute, df_rd_bb_local_compute,
5957 df_lr_bb_local_compute, df_lr_bb_local_compute,
5958 df_chain_create_bb): Cleanup to use proper macros.
5959 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
5960 code to fixup bitvectors.
5961 (df_ri_alloc): Cleared lifetime.
5962 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
5963 df_create_unused_note): New function.
5964 (df_ri_bb_compute, df_ri_compute): Added code to create/update
5965 REG_DEAD and REG_UNUSED notes as well as register information.
5966 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
5967 df_chains_dump): Fixed crash if problem was never run.
5968 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
5969 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
5970 df_ri_add_problem): Processes flags in uniform manner.
5971 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
5972 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
5973 df_rd_dump, df_urec_free_bb_info): Formatting changes.
5974 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
5975 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
5976 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
5977 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
5978 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
5979 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
5980 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
5981 * see.c (see_initialize_data): Ditto.
5982 * final.c (rest_of_clean_state) Added regstack_completed.
5983 * rtl.h (regstack_completed): Ditto.
5984 * reg-stack.c (regstack_completed): Ditto.
5986 2006-05-19 Mike Stump <mrs@apple.com>
5988 * c-tree.h (default_conversion): Remove.
5989 * c-common.h (default_conversion): Add.
5991 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
5993 * tree-vrp.c (valid_value_p): New function.
5994 (adjust_range_with_scev): Fail if the value of bound is not
5997 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5999 * config/mips/linux-unwind.h: Include <asm/unistd.h>
6000 (mips_fallback_frame_state): Use syscall numbers to determine
6001 the appropriate li instruction for the current ABI. Only use
6002 __NR_sigreturn for o32.
6004 2006-05-19 Nicolas Setton <setton@adacore.com>
6006 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6007 * langhooks.c (lhd_dwarf_name): New function.
6008 * langhooks-def.h (lhd_dwarf_name): Declare.
6009 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
6010 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
6011 * ada/misc.c (gnat_dwarf_name): New function.
6012 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
6014 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6016 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
6018 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6019 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
6020 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
6021 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
6022 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
6023 determine the size of Wtype, etc.
6024 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
6025 (swfloatfuncs): New variable.
6026 (dwfloatfuncs): Likewise.
6027 (lib2funcs): Remove floating-point conversion functions from
6028 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
6029 the set of conversion routines needed. Allow entries to specify
6030 an object name, filename and word size. Update users accordingly.
6031 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
6032 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
6036 2006-02-08 Roger Sayle <roger@eyesopen.com>
6039 * config/fixtfdi.c: New libgcc source file.
6040 * config/fixunstfdi.c: New source file.
6041 * config/floatditf.c: New source file.
6042 * config/floatunditf.c: New souce file.
6043 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6044 files above instead of config/mips/_tilib.c.
6045 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6047 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6049 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
6050 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
6052 2006-05-18 Mike Stump <mrs@apple.com>
6054 Fix up vla, vm and [*] sematics.
6060 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6061 (c_vla_unspec_p): Add.
6062 (c_vla_type_p): Add.
6063 * c-decl.c (struct c_scope): Add had_vla_unspec.
6064 (build_array_declarator): Add support for [*].
6065 (grokdeclarator): Likewise.
6066 (grokparms): Likewise.
6067 (get_parm_info): Likewise.
6068 * c-objc-common.c (c_vla_unspec_p): Likewise.
6069 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6070 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6071 typeof when argument is a variably modified type not inside sizeof or alignof.
6072 (c_parser_direct_declarator_inner): Propagate errors.
6073 (c_parser_sizeof_expression): Add support for [*].
6074 (c_parser_parms_declarator): Initialize had_vla_unspec.
6075 (c_parser_parms_list_declarator): Likewise.
6076 * c-typeck.c (c_vla_type_p): Add.
6077 (composite_type): Add support for vla compositing.
6078 (comptypes_internal): Add support for vla compatibility.
6079 (c_expr_sizeof_expr): Evaluate vla arguments.
6080 * tree.c (variably_modified_type_p): Update comment for [*].
6082 2006-05-18 Michael Matz <matz@suse.de>
6085 * config.host: Make assignments to host_xmake_file cumulative.
6086 * config.host (*-darwin*): Test $host, not $target.
6088 2006-05-12 Stuart Hastings <stuart@apple.com>
6090 * config/i386/i386.opt (-mstackrealign): New flag.
6091 * config/i386/i386.c (force_align_arg_pointer): New attribute.
6092 (ix86_handle_cconv_attribute): Emit error when
6093 force_align_arg_pointer attribute collides with too many regparms.
6094 (ix86_function_regparm): Limit regparms when used with
6095 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
6096 Support stack-realigning prologue in non-main functions. Emit
6097 warning for nested functions under -mstackrealign, emit error for
6098 nested functions with force_align_arg_pointer attribute.
6099 * doc/extend.texi (force_align_arg_pointer): Document it.
6100 * doc/invoke.texi (-mstackrealign): Document it.
6102 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
6104 PR rtl-optimization/27477
6105 * combine.c (try_combine): Don't split a parallel consisting
6106 of two sets into two individual sets if both sets reference
6109 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
6111 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6112 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6114 * doc/options.texi (VarExists): Updated.
6116 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6118 * unwind-dw2.c: Add declarations for uw_update_context and
6120 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6121 detected, advance frame state and context once to skip over stub.
6123 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6127 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6128 Call rewrite_into_loop_closed_ssa only when something changed.
6129 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6130 * lambda-code.c (can_convert_to_perfect_nest): Declared.
6131 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6132 Test for perfect_nest_p here. Fix formating.
6133 (replace_uses_equiv_to_x_with_y): Fix formating.
6134 (stmt_uses_op): Removed.
6135 (can_convert_to_perfect_nest): Removed loopivs parameter.
6136 Complete the test by checking the scalar dependences.
6137 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6140 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6143 From Dan Kegel <dank@kegel.com>:
6144 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6146 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
6148 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6149 if the element type is variably modified without recursing.
6151 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6154 * tree-loop-linear.c (try_interchange_loops): Test for
6155 no data dependences.
6157 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
6159 PR tree-optimization/27548
6160 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6161 range of ssa names that appear on abnormal edges.
6162 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6163 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6165 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6168 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6170 2006-05-17 Jakub Jelinek <jakub@redhat.com>
6173 * tree.h (OMP_PARALLEL_COMBINED): Define.
6174 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6175 (new_omp_context): Add is_combined_parallel argument.
6176 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6177 new_omp_context caller.
6178 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6179 Adjust gimplify_scan_omp_clauses callers.
6180 (omp_is_private): Issue errors if iteration variable is firstprivate
6181 or reduction in the current context.
6182 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6183 on combined parallel workshare constructs.
6185 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6187 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6188 (gcc-options.o): New rule.
6190 * optc-gen.awk: Protect variables for gcc-options.o with
6191 #ifdef GCC_DRIVER/#endif.
6193 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6195 Fix PR tree-optimization/27373
6196 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6197 (forward_propagate_addr_expr): Update call.
6199 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6201 * doc/options.texi: Move the Negative option.
6203 2006-05-16 Richard Guenther <rguenther@suse.de>
6205 PR tree-optimization/22303
6206 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6208 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6209 ccp_fold did not simplify the statement.
6211 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6214 * Makefile.in (GCC_OBJS): New.
6215 (OBJS-common): Add opts-common.o.
6216 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6217 (cpp$(exeext)): Likewise.
6218 (gcc.o): Also depend on opts.h.
6219 (opts-common.o): New.
6221 * common.opt (gcoff): Add Negative(gdwarf-2).
6222 (gdwarf-2): Add Negative(gstabs).
6223 (gstabs): Add Negative(gstabs+).
6224 (gstabs+): Add Negative(gvms).
6225 (gvms): Add Negative(gxcoff).
6226 (gxcoff): Add Negative(gxcoff+).
6227 (gxcoff+): Add Negative(gcoff).
6228 * config/i386/i386.opt (m32): Add Negative(m64).
6229 (m64): Add Negative(m32).
6231 * doc/options.texi: Document the Negative option.
6233 * gcc.c: Include "opts.h".
6234 (main): Call prune_options after expandargv.
6236 * optc-gen.awk: Generate common declarations for all flag
6237 variables in options.c. Output the neg_index field.
6239 * opts.c (find_opt): Moved to ...
6240 * opts-common.c: Here. New file.
6242 * opts.h (cl_option): Add a neg_index field.
6244 (prune_options): Likewise.
6246 2006-05-16 Jakub Jelinek <jakub@redhat.com>
6249 * omp-low.c (expand_omp_parallel): Don't assert
6250 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6251 instead search for it.
6254 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6257 2006-05-16 Andreas Schwab <schwab@suse.de>
6259 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6262 2006-05-15 Roger Sayle <roger@eyesopen.com>
6265 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6266 integer constants other than zero are only legitimate on TARGET_64BIT.
6267 <CONST_VECTOR> Only zero vectors are legitimate.
6268 (ix86_cannot_force_const_mem): Integral and vector constants can
6269 always be put in the constant pool.
6271 2006-05-16 DJ Delorie <dj@redhat.com>
6273 * crtstuff.c (__dso_handle): Set section from
6274 TARGET_LBIGCC_SDATA_SECTION if defined.
6275 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6276 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6278 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6281 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6284 2006-05-16 Ben Elliston <bje@au.ibm.com>
6286 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6288 2006-05-15 Per Bothner <per@bothner.com>
6290 * tree.c: (last_annotated_node): Use source_locus typedef.
6291 This permits bootstrapping with --enable-mapped-location.
6293 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6295 PR tree-optimization/26830
6296 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6297 (info_for_ssa_name, current_info_for_ssa_name_age,
6298 blocks_to_update): New variables.
6299 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6300 (clear_ssa_name_info, initialize_flags_in_bb,
6301 mark_block_for_update): New functions.
6302 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6303 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6304 prepare_def_site_for): Use mark_block_for_update.
6305 (mark_def_interesting): Assert that the processed block is marked in
6306 blocks_to_update. Do not take blocks argument.
6307 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6309 (rewrite_update_init_block, rewrite_update_stmt): Only process
6310 blocks with statements to rewrite.
6311 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6312 (update_ssa): Initialize and free blocks_to_update. Do not
6313 clear flags on statements. Do not use blocks bitmap.
6314 * tree.h (SSA_NAME_AUX): Removed.
6315 (struct tree_ssa_name): Removed aux field.
6316 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6318 2006-05-15 Richard Guenther <rguenther@suse.de>
6320 PR tree-optimization/27603
6321 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6322 Do computations in original type.
6324 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6326 * see.c: Code style changes such as redundant paranthesis,
6327 redundant intialization of local variables etc.
6328 (see_main): Declared now as static.
6329 * doc/invoke.texi: Update that -fsee is not enabled by
6332 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6334 * omp-low.c (check_omp_nesting_restrictions): New function.
6335 (scan_omp_1): Call it.
6338 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6339 construct, return *VAR.
6341 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6343 PR rtl-optimization/27406
6344 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6347 2006-05-14 Roger Sayle <roger@eyesopen.com>
6349 PR rtl-optimization/27538
6350 * combine.c (expand_compound_operation): Call gen_lowpart
6351 before calling simplify_shift_const.
6353 2006-05-14 Roger Sayle <roger@eyesopen.com>
6355 PR rtl-optimization/22563
6356 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6357 a fixed width bitfield, always force the intermediates into psuedos.
6359 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6362 * mkconfig.sh: Use operator = instead of == for test.
6364 2006-05-13 Nick Clifton <nickc@redhat.com>
6366 * dwarf2out.c (dbx_reg_number): Check return value from
6367 LEAF_REG_REMAP and only use it if it is valid.
6368 (multiple_reg_loc_descriptor): Likewise.
6370 2006-05-13 Richard Guenther <rguenther@suse.de>
6372 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6375 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6377 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6378 information attached to non-INSNs such as NOTEs.
6379 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6381 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6383 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6385 * config/s390/s390.md: Adjust comment describing On constraint.
6387 2006-05-11 Jan Hubicka <jh@suse.cz>
6389 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6390 to be output at -O0.
6392 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6395 * fold-const.c (size_binop): Move sanity check for arguments to
6396 the beginning of the function.
6399 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6402 2006-05-11 Richard Guenther <rguenther@suse.de>
6405 * fold-const.c (fold_unary): Handle intermediate conversion
6406 to a pointer type like intermediate conversion to an integer
6407 type in folding of (T1)(T2)var to var.
6408 Match the code to the comment in the final conversion for
6409 (T1)(T2)var to (T1)var regarding to type precision. Rather
6410 than disallow T1 being of pointer type, assert that both T1
6411 and var are of pointer type or not. Make sure not to fall
6412 over the frontends lazyness wrt array to pointer decay though.
6414 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6416 * arm.c (arm_struct_value_rtx): Delete.
6417 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6418 (arm_init_cumulative_args): Always initialize nregs to zero.
6420 2006-05-10 Richard Guenther <rguenther@suse.de>
6422 PR tree-optimization/27532
6423 * tree-object-size.c (plus_expr_object_size): Fix typo.
6425 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6428 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6429 ashrdi_const, ashrdi3): Use a scratch register.
6431 2006-05-10 Richard Guenther <rguenther@suse.de>
6433 PR tree-optimization/27302
6434 * fold-const.c (operand_equal_p): For two comparisons,
6435 try comparison of one comparison code swapped if that yields
6438 2006-05-10 Ben Elliston <bje@au.ibm.com>
6440 * tree-pretty-print.c (pretty_print_string): No need to handle
6441 '\0' as a special character.
6443 * tree.h: Include "hashtab.h".
6444 (iterative_hash_expr): Use hashval_t in its prototype.
6445 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6447 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6450 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6451 (hppa*64*-*-hpux11*): Ditto.
6452 (hppa[12]*-*-hpux11*): Ditto.
6454 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6457 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6459 2006-05-09 Michael Matz <matz@suse.de>
6461 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6462 host_extra_gcc_objs and host_xmake_file.
6463 (<*-*-linux*>): Don't overwrite host_xmake_file.
6464 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6465 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6466 (host_detect_local_cpu): Declare.
6467 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6468 * config/i386/i386.c (override_options): Handle -mtune=native
6470 * config/i386/x-i386: New file.
6471 * config/i386/driver-i386.c: New file.
6472 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6475 2006-05-09 Dirk Mueller <dmueller@suse.de>
6476 Richard Guenther <rguenther@suse.de>
6479 * fold-const.c (fold_read_from_constant_string): Relax check
6480 for matching types to matching modes.
6482 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6484 PR rtl-optimization/27335
6485 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6488 2006-05-08 Chao-ying Fu <fu@mips.com>
6489 Richard Sandiford <richard@codesourcery.com>
6491 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6492 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6493 * config/mips/mips.md (UNSPEC_SCC): New constant.
6494 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6495 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6496 (mips_emit_compare): Use it.
6497 (mips_expand_vcondv2sf): New function.
6499 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6501 Fix PR tree-optimization/27093
6502 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6503 renaming when they become not-used_alone.
6505 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6507 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6508 relocation and relocation stubs.
6510 2006-05-08 Eric Christopher <echristo@apple.com>
6512 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6515 2006-05-08 Jan Hubicka <jh@suse.cz>
6518 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6519 unused static functions are needed.
6521 2006-05-08 Roger Sayle <roger@eyesopen.com>
6524 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6525 of a reg_equiv_constant if the result is a legitimate constant.
6527 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6530 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6531 standard 80387 constants, raise the cost to prevent
6532 compress_float_constant() to generate load from memory.
6534 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6536 * config/arm/constraints.md (c): Fix a typo.
6538 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6541 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6544 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6546 (_mm_mwait): Likewise.
6548 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6550 (sse3_monitor): Make it 32bit only.
6551 (sse3_monitor64): New. 64bit monitor.
6553 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6556 * config/i386/i386.c (classify_argument): Skip fields with invalid
6559 2006-05-07 Richard Guenther <rguenther@suse.de>
6561 PR tree-optimization/27409
6562 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6563 Do not try to find zero-sized subvars.
6565 2006-05-07 Richard Guenther <rguenther@suse.de>
6567 PR tree-optimization/27136
6568 * tree-ssa-loop-niter.c (get_val_for): Correct function
6569 comment, assert requirements.
6570 (loop_niter_by_eval): Stop processing if the iterated
6571 value did not simplify.
6573 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6575 * opts.c (flag_see): remove its setting at -O3.
6577 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6579 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6580 * arm/constraints.md: New file.
6581 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6582 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6583 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6584 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6585 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6586 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6587 * arm.md: Include constraints.md.
6588 (thumb_movsi_insn): Use satisfies_constraint_J.
6589 (movhi, movqi): Use satisfies_constraint_I.
6591 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6593 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6594 for atmeg a645 device.
6596 2006-05-06 Richard Guenther <rguenther@suse.de>
6598 PR tree-optimization/27151
6599 * tree-vect-transform.c (vectorizable_condition): Punt on
6600 values that have a different type than the condition.
6602 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6605 * c-parser.c (c_parser_cast_expression): Only insert casts into
6606 hash table if pointer.
6607 * function.c (used_types_insert_helper): Rename from
6609 (used_types_insert): Call used_types_insert_helper.
6610 * function.h (used_types_insert): Accept only one argument.
6612 2006-05-05 David Edelsohn <edesohn@gnu.org>
6614 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6615 scratch with output modifier.
6617 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6620 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6621 with output modifier.
6623 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6626 * config/mips/mips.c (mips_symbolic_address_p): Return true
6627 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6628 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6630 2006-05-04 Richard Guenther <rguenther@suse.de>
6632 PR tree-optimization/14287
6633 PR tree-optimization/14844
6634 PR tree-optimization/19792
6635 PR tree-optimization/21608
6636 PR tree-optimization/27090
6637 * tree-ssa-pre.c (try_combine_conversion): New function.
6638 (compute_avail): After constructing the value-handle
6639 expression, use try_combine_conversion to combine NOP_EXPRs
6640 with previous value-handle expressions and use the result if it
6643 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6645 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6647 2006-05-04 Jan Hubicka <jh@suse.cz>
6650 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6652 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6654 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6655 that this only matches CONST_INTs. All users changed to VOIDmode
6658 * config/bfin/bfin.c: Include "optabs.h".
6659 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6661 (enum bfin_builtins): Add a number of fractional and vector builtins.
6662 (bfin_init_builtins): Likewise.
6663 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6664 (safe_vector_operand, bfin_expand_binop_builtin,
6665 bfin_expand_unop_builtin): New functions.
6666 (bfin_expand_builtin): Handle the new builtins.
6667 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6670 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6673 * Makefile.in (OBJS-common): Add see.o.
6674 (see.o): Add dependencies.
6675 * common.opt (fsee): New flag for the see optimization was added.
6676 * opts.c (flag_see): Initialized.
6677 * passes.c (init_optimization_passes, pass_see): New pass.
6678 * rtl.h (see_main): Declaration as extern.
6679 * timevar.def (TV_SEE): New.
6680 * tree-pass.h (pass_see): Declaration as extern.
6681 * invoke.texi (-fsee): Document.
6682 * recog.c (validate_simplify_insn): New function.
6683 * recog.h (validate_simplify_insn): Declaration as extern.
6684 * df-problems.c (df_chain_dump): Check for NULL.
6686 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6687 Daniel Berlin <dberlin@dberlin.org>
6689 * cfgrtl.c (insert_insn_bb_end_new): New function.
6690 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6692 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6694 * df.h (struct web_entry): Moved from web.c.
6695 (union_defs): Declaration as extern.
6696 (unionfind_root): Likewise.
6697 (unionfind_union): Likewise.
6698 * web.c (struct web_entry): Moved to df.h.
6699 (unionfind_root): Remove static declaration.
6700 (unionfind_union): Likewise.
6701 (union_defs): Likewise and generalize to use callback function.
6702 (web_main): Update arguments for union_defs function call.
6704 2006-05-04 Richard Guenther <rguenther@suse.de>
6706 PR tree-optimization/26447
6707 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6708 produce SSA_NAME copies before the store stmt to avoid
6709 breaking exception handling.
6711 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6714 * gimplify.c (omp_is_private): If var is shared in some outer context,
6715 return false instead of true. Stop searching on parallel context
6718 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6721 * coverage.c: Use get_gcov_unsigned_t() instead of
6722 unsigned_type_node all over.
6724 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6726 PR tree-optimization/27381
6727 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6728 maintain the same immediate_use links.
6729 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6730 node rather than segfaulting.
6732 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6735 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6736 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6737 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6739 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6741 Fix PR tree-optimization/26626
6742 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6744 * tree-ssa-operands.c (access_can_touch_variable): Allow
6745 typecasting through union pointers.
6747 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6750 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6751 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6752 to find if var will be a global variable even in the nested context.
6753 (omp_copy_decl): Only check for global variable at the end, it might
6754 be overridden in outer contexts.
6755 (scan_sharing_clauses): For global variables don't create a field.
6756 (lower_rec_input_clauses): Do nothing for global shared variables.
6757 Emit a barrier at the end of ILIST if there were any decls in both
6758 firstprivate and lastprivate clauses.
6759 (lower_send_clauses): Do nothing for global variables except for
6762 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6764 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6765 of the correct signedness is returned.
6767 2006-05-02 Jeff Law <law@redhat.com>
6769 PR tree-optimization/27364
6770 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6771 multiply expressions.
6773 2006-05-02 Tom Tromey <tromey@redhat.com>
6775 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6777 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6780 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6781 -mthumb -fPIC are used.
6783 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6784 Joshua Kinard <kumba@gentoo.org>
6787 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6788 with 64-bit pointers.
6790 2006-05-02 Paul Brook <paul@codesourcery.com>
6792 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6794 (create_fix_barrier): Check that a suitable barrier location is
6796 (arm_reorg): Include ftmp->address in allowable range of addresses.
6798 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6801 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6804 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6807 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6808 around RESULT_DECL for result passed by reference.
6809 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6810 * omp-low.c (use_pointer_for_field): Don't look at
6811 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6812 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6813 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6814 time or var for passing by reference for
6815 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6816 TREE_ADDRESSABLE variables when passing by reference.
6818 * omp-low.c (dump_omp_region): Fix output formatting.
6821 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6822 (expand_omp_parallel): Likewise.
6823 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6826 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6827 on statement list containing also constructors and destructors.
6828 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6831 * except.c (duplicate_eh_regions): Fix clearing of
6832 cfun->eh->region_array entries.
6834 2006-05-01 DJ Delorie <dj@redhat.com>
6836 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6838 (gcc_cv_objdump): Likewise.
6839 * configure: Regenerated.
6841 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6844 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6845 templates for case 3 and 4.
6847 2006-05-01 DJ Delorie <dj@redhat.com>
6849 * vec.c: Include bconfig.h when appropriate.
6850 * Makefile.in (build/vec.o): Adjust dependencies.
6851 * mkconfig.sh: Make sure config.h isn't used for build machine
6854 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6856 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6858 (mark_phi_for_rewrite): New function.
6859 (insert_phi_nodes_for, mark_use_interesting): Call
6860 mark_phi_for_rewrite.
6861 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
6862 (update_ssa): Initialize and free phis_to_rewrite.
6864 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6866 PR rtl-optimization/27291
6867 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
6868 folded to a constant.
6870 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6872 PR tree-optimization/27283
6873 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
6874 not whole # of iteration descriptions.
6875 (niter_for_exit): Return just # of iterations. Fail if # of iterations
6876 uses abnormal ssa name.
6877 (niter_for_single_dom_exit): Ditto.
6878 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
6879 return just the number of iterations.
6881 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6883 PR tree-optimization/27144
6884 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
6885 (record_estimate): Only record constant upper bound.
6886 (infer_loop_bounds_from_undefined): Call
6887 compute_estimated_nb_iterations just once.
6888 (proved_non_wrapping_p): Renamed to ...
6889 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6890 (convert_step_widening, scev_probably_wraps_p): Call
6891 n_of_executions_at_most instead of proved_non_wrapping_p.
6892 (substitute_in_loop_info): Do not replace values in bounds.
6893 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6896 2006-05-01 Richard Henderson <rth@redhat.com>
6899 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6900 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6903 2006-05-01 Roger Sayle <roger@eyesopen.com>
6905 * c-typeck.c (parser_build_binary_op): Don't call the function
6906 unsigned_conversion_warning to spot operand/result type overflow.
6907 (build_binary_op): Instead, call convert_and_check instead of
6908 convert to report the problem when the operands are promoted.
6909 * c-common.c (unsigned_conversion_warning): Make static.
6910 * c-common.h (unsigned_conversion_warning): Delete prototype.
6912 2006-05-01 Richard Guenther <rguenther@suse.de>
6914 PR tree-optimization/26726
6915 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6917 (find_interesting_uses_address): ... we work around here
6918 by folding INDIRECT_REFs in the substituted base.
6920 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6922 * omp-low.c (dump_omp_region): Add newlines.
6924 2006-04-30 Roger Sayle <roger@eyesopen.com>
6926 * common.opt (Woverflow): New command line option.
6927 * c-common.c (constant_expression_warning): Check warn_overflow.
6928 (overflow_waring): Pass OPT_Woverflow to warning.
6929 (unsigned_conversion_warning): Likewise.
6930 (convert_and_check): Likewise.
6931 * doc/invoke.texi: Document new command line option.
6933 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6935 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6936 TARGET_NO_FP_IN_TOC for section anchors.
6937 (optimization_options): Enable section anchors for all
6938 non-"Objective" languages.
6940 2006-04-28 Eric Christopher <echristo@apple.com>
6942 * config/darwin-c.c (darwin_ms_struct): Move this
6943 (darwin_set_default_type_attributes): and this...
6944 * config/darwin.c: ... here.
6945 * config/darwin.h (darwin_ms_struct): Declare.
6947 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
6949 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
6951 2006-04-28 Roger Sayle <roger@eyesopen.com>
6954 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
6955 (push_array_bounds): Delete prototype. Change BOUNDS argument to
6956 an unsigned HOST_WIDE_INT.
6957 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
6959 (really_start_incremental_init): No need to call convert because
6960 bitsize_zero_node is already of type bitsizetype.
6961 (push_init_level): Extract the value of constructor_index as an
6962 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
6963 (process_init_element): Likewise.
6965 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
6967 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
6968 value before passing to make_relative_prefix.
6970 2006-04-28 Alan Modra <amodra@bigpond.net.au>
6973 * builtins.c (expand_builtin_memset): Expand val in original mode.
6975 2006-04-27 Eric Christopher <echristo@apple.com>
6977 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
6978 with #ifndef/#endif.
6979 * config/darwin-c.c (darwin_ms_struct): New.
6980 (darwin_pragma_ms_struct): Ditto.
6981 (darwin_set_default_type_attributes): Ditto.
6982 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
6983 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
6984 Register ms_struct pragma.
6985 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
6986 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
6987 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
6988 darwin_set_default_type_attributes if TARGET_MACHO.
6990 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
6992 PR tree-optimization/26854
6993 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
6994 * doc/tree-ssa.texi: Update immuse iterator documentation.
6995 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
6996 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
6997 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
6998 first_safe_imm_use, next_safe_imm_use): Remove.
6999 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
7000 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
7001 (move_use_after_head): New. Helper function to sort immuses in a stmt.
7002 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
7003 (first_imm_use_stmt): New. Get first stmt in an immuse list.
7004 (next_imm_use_stmt): New. Get next stmt in an immuse list.
7005 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
7006 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
7007 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
7008 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
7009 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
7010 (perfect_nestify): Use new iterator.
7011 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
7013 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
7014 (next_imm_name): New field in struct immediate_use_iterator_d.
7015 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
7016 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
7017 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
7018 * tree-cfg.c (replace_uses_by): Use new iterator.
7019 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
7020 * tree-ssa-operands.c (correct_use_link): Remove.
7021 (finalize_ssa_use_ops): No longer call correct_use_link.
7023 2006-04-27 Stuart Hastings <stuart@apple.com>
7025 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
7026 * config/t-darwin (crt3.o): Use it.
7027 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
7028 'pmode', use Pmode instead of SImode for SYMBOL_REF.
7029 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
7030 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
7031 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
7034 2006-04-27 Roger Sayle <roger@eyesopen.com>
7036 * expmed.c (store_fixed_bit_field): If we're not optimizing for
7037 size, force the intermediate into a new pseudo rather instead of
7038 performing both a bitwise AND and a bitwise IOR in memory.
7040 2006-04-27 Richard Guenther <rguenther@suse.de>
7042 PR rtl-optimization/26685
7043 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
7044 this one "max-flow-memory-locations".
7046 2006-04-27 Richard Guenther <rguenther@suse.de>
7048 PR tree-optimization/25148
7049 * tree-vrp.c (compare_values): Remove code dealing with
7050 comparisons against type min/max value. Honour overflow
7051 and negative constants in code dealing with comparisons
7052 of plus and minus expressions.
7053 (value_inside_range): Use fold_binary with LE_EXPR and
7054 GE_EXPR rather than compare_values.
7056 2006-04-27 Dirk Mueller <dmueller@suse.de>
7058 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7061 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
7063 * basic-block.h (safe_insert_insn_on_edge): Removed.
7064 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7066 2006-04-26 David Edelsohn <edelsohn@gnu.org>
7067 Paolo Bonzini <bonzini@gnu.org>
7070 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7071 (simplify_and_const_int): Same.
7073 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
7075 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
7077 2006-04-26 Jakub Jelinek <jakub@redhat.com>
7080 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
7081 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
7082 cgraph_global_info_ready.
7085 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7088 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7089 either decl or init is error_mark_node.
7092 * tree-flow.h (struct omp_region): Add sched_kind.
7093 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7094 instead of extracting omp for data.
7095 (expand_omp_for): Save extracted sched_kind.
7097 2006-04-25 Roger Sayle <roger@eyesopen.com>
7099 * expmed.c (store_bit_field): Also check whether the bitsize is
7100 valid for the machine's "insv" instruction before moving the
7101 target into a pseudo for use with the insv.
7102 * config/i386/predicates.md (const8_operand): New predicate.
7103 * config/i386/i386.md (extv, extzv, insv): Use the new
7104 const8_operand predicate where appropriate.
7106 2006-04-25 DJ Delorie <dj@redhat.com>
7108 * doc/install.texi (Specific): Clarify that this is not a list of
7109 supported hosts or targets.
7111 2006-04-25 Richard Sandiford <richard@codesourcery.com>
7113 PR rtl-optimization/26725
7114 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7115 block's BB_DIRTY flag.
7117 2006-04-25 Geoffrey Keating <geoffk@apple.com>
7119 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7122 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7123 to print an integer.
7125 2006-04-25 David Edelsohn <edelsohn@gnu.org>
7127 * varasm.c (align_variable): New function.
7128 (get_block_for_decl): Apply align_variable to DECL before
7129 calculating section information.
7130 (assemble_variable): Split out alignment computation.
7132 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
7134 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7137 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
7139 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7140 MODE_PARTIAL_INT mode.
7141 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7142 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7144 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7145 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7147 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7149 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7151 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7152 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7153 MACFLAG_IH): Likewise.
7154 (movstricthi_1): Renamed from "*movstricthi".
7155 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7156 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7157 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7158 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7159 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7160 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7161 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7162 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7163 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7164 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7165 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7166 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7167 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7168 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7169 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7171 * doc/rtl.texi (ss_ashift): Improve wording.
7173 2006-04-24 Geoffrey Keating <geoffk@apple.com>
7175 * dwarf2out.c (verify_marks_clear): New.
7176 (prune_unused_types): Call verify_marks_clear initially, not
7179 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7181 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7182 * doc/rtl.texi: Document them.
7183 * simplify-rtx.c (simplify_unary_operation,
7184 simplify_binary_operation_1): Don't abort when we see them.
7186 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7189 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7190 * configure.ac: Completely disregard languages that are not
7192 * configure: Regenerated.
7194 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7195 Richard Guenther <rguenther@suse.de>
7197 PR tree-optimization/27236
7198 * tree-inline.c (copy_body_r): Make sure to copy
7199 TREE_THIS_VOLATILE flag.
7201 2006-04-24 Richard Guenther <rguenther@suse.de>
7204 * tree-complex.c (update_parameter_components): Don't handle
7205 unused parameters which have no default def.
7207 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7208 Richard Guenther <rguenther@suse.de>
7210 PR tree-optimization/27218
7211 * tree-inline.c (expand_call_inline): Strip useless type
7212 conversions for the return slot address.
7214 2006-04-24 Richard Guenther <rguenther@suse.de>
7216 * cfgloop.h (struct loops): Remove unused field array. Reorder
7218 (LOOP_PREFETCH): Remove.
7220 2006-04-24 Richard Guenther <rguenther@suse.de>
7222 PR tree-optimization/22525
7223 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7224 variable, adjust types of generated expressions.
7226 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7228 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7229 (tree-vect-patterns.o): Likewise.
7231 (cselib.o): Likewise.
7232 (loop-doloop.o): Likewise.
7233 (regclass.o): Likewise.
7234 (reload1.o): Likewise.
7235 (explow.o): Replace target.h with $(TARGET_H).
7236 (ipa-prop.o): Likewise.
7237 (ipa-cp.o): Likewise.
7238 (ipa-inline.o): Likewise.
7239 (reorg.o): Likewise.
7240 (reg-stack.o): Likewise.
7242 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7244 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7246 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7248 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7250 * configure.ac: Completely disregard languages that are not
7252 * configure: Regenerated.
7255 * c-common.h (c_build_bitfield_integer_type): Declare.
7256 * c-decl.c (c_build_bitfield_integer_type): Move to ...
7257 * c-common.c (c_build_bitfield_integer_type): ... here.
7259 2006-04-23 Roger Sayle <roger@eyesopen.com>
7262 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7263 a SImode SUBREG of a floating point register after no_new_pseudos.
7265 2006-04-23 Roger Sayle <roger@eyesopen.com>
7267 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7268 identify potentially eliminable registers to additionally catch
7269 VIRTUAL_INCOMING_ARGS_REGNUM.
7270 (addsi3): Update the conditions on when to use addsi_small_int.
7272 2006-04-23 Roger Sayle <roger@eyesopen.com>
7275 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7276 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7277 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7279 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7281 * fold-const.c (range_predecessor): Use operand_equal_p
7282 as the predicate for equality.
7283 (range_successor): Likewise.
7285 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7288 * config/soft-fp/op-common.h: Fix a typo.
7290 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7293 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7294 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7296 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7298 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7300 * doc/tm.texi: Fix a typo.
7302 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7304 * dwarf2out.c (struct die_struct): Document that die_sib makes
7305 a circular linked list.
7306 (FOR_EACH_CHILD): New.
7307 (reverse_die_lists): Delete.
7308 (reverse_all_dies): Delete.
7309 (add_dwarf_attr): Correct documentation.
7310 (remove_child_with_prev): New.
7311 (remove_child_TAG): Update for change to die_struct, use
7312 remove_child_with_prev.
7313 (add_child_die): Update for change to die_struct.
7314 (splice_child_die): Use remove_child_with_prev and add_child_die.
7315 (print_die): Use FOR_EACH_CHILD.
7316 (die_checksum): Likewise.
7317 (assign_symbol_names): Likewise.
7318 (output_location_lists): Likewise.
7319 (build_abbrev_table): Likewise.
7320 (calc_die_sizes): Likewise.
7321 (mark_dies): Likewise.
7322 (unmark_dies): Likewise.
7323 (unmark_all_dies): Likewise.
7324 (output_die): Likewise.
7325 (prune_unused_types_mark): Likewise.
7326 (prune_unused_types_walk): Likewise.
7327 (same_die_p): Update for change to die_struct.
7328 (break_out_includes): Likewise.
7329 (prune_unused_types_prune): Likewise.
7330 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7331 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7333 (dwarf2out_finish): Don't call reverse_all_dies.
7335 2006-04-21 Eric Christopher <echristo@apple.com>
7337 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7338 in comments and function names.
7340 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7343 * c-typeck.c (digest_init): Robustify.
7345 * c-typeck.c (pop_init_level): Simplify.
7347 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7349 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7351 2006-04-21 Paul Brook <paul@codesourcery.com>
7353 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7354 hardware floating point.
7356 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7358 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7361 2006-04-21 Nick Clifton <nickc@redhat.com>
7363 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7366 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7369 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7370 C++ lang type in traceback table for Objective-C++.
7372 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7374 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7376 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7378 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7381 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7382 were errors. Remove check for erroneous objects.
7384 2006-04-20 Jeff Law <law@redhat.com>
7386 PR tree-optimization/26854
7387 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7388 checking for zero or one use.
7389 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7390 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7391 * tree-ssa-reassoc.c (negate_value): Similarly.
7392 (reassociate_bb): Similarly.
7394 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7396 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7397 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7398 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7400 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7402 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7403 fp regs if the last fp arg doesn't fit in regs.
7405 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7408 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7409 that the last insn has the REG_INC note.
7411 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7412 Nathan Sidwell <nathan@codesourcery.com>
7415 * stor-layout.c (update_alignment_for_field): Do not align
7417 (place_union_field): Place union field at the start of the union.
7418 (place_field): Move ERROR_MARK check later, and use the current
7419 allocation position to maintain monotonicity.
7421 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7423 * dominance.c: Include timevar.h.
7424 (calculate_dominance_info): Use TV_DOMINANCE.
7425 * timevar.def (TV_DOMINANCE): New timevar.
7426 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7428 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7430 PR rtl-optimization/14261
7431 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7432 move would be an INSV insn.
7433 (noce_process_if_block): Don't optimize if the destination is a
7434 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7436 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7438 * config/s390/s390.md: Add comments with the instructions emitted
7439 by an insn pattern if macros are used.
7441 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7443 PR rtl-optimization/26026
7444 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7445 is a known power of two shifted left a variable amount.
7447 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7449 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7450 to hash table twice when the debug_str section has SECTION_MERGE.
7452 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7454 * config/soft-fp: New directory. From glibc.
7455 * config/soft-fp/t-softfp: New.
7456 * config/soft-fp/README: New.
7457 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7458 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7459 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7460 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7461 * config.gcc: Use rs6000/t-fprules-fpbit or
7462 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7464 * config/rs6000/sfp-machine.h: New. Based on glibc.
7465 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7467 * config/rs6000/t-fprules: Remove fp-bit rules.
7468 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7469 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7470 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7471 (softfp_wrap_start, softfp_wrap_end): New.
7473 2006-04-18 DJ Delorie <dj@redhat.com>
7475 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7477 2006-04-18 Devang Patel <dpatel@apple.com>
7479 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7481 2006-04-18 Nick Clifton <nickc@redhat.com>
7483 * config/sh/t-symbian: Add rule to build sh-c.o
7484 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7485 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7486 (sh_symbian_encode_section_info): Likewise.
7488 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7490 * builtins.c (expand_builtin_strcmp): Cover label definition of
7491 do_libcall with HAVE_cmpstrnsi.
7493 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7495 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7497 * function.h (temp_slot_p): New.
7498 (function): Change the type of x_used_temp_slots to
7499 VEC(temp_slot_p,gc) *.
7501 2006-04-18 Nick Clifton <nickc@redhat.com>
7503 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7504 flag_strength_reduce.
7506 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7508 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7512 Partial revert of revision 112637
7513 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7514 Dale Johannesen <dalej@apple.com>
7517 * regclass.c (struct reg_pref): Update documentation.
7518 (regclass): Set prefclass to NO_REGS if memory is the best option.
7519 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7521 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7523 PR tree-optimization/26821
7524 * tree-ssa-math-opts.c (get_constant_one): New.
7525 (insert_reciprocals): Use it.
7527 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7529 * dwarf2out.c (free_AT): Delete.
7530 (remove_AT): Update string ref counts.
7531 (remove_child_TAG): Don't call free_die.
7533 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7534 or DW_TAG_GNU_EINCL.
7535 (prune_unused_types_walk_attribs): Reset string refcounts.
7536 (prune_unused_types_update_strings): New.
7537 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7538 call free_die. Do call prune_unused_types_update_strings.
7539 (prune_unused_types): Empty debug_str_hash.
7541 2006-04-17 Roger Sayle <roger@eyesopen.com>
7543 * expr.c (expand_assignment): Optimize away no-op moves where the
7544 source and destination are equal and have no side-effects.
7546 2006-04-17 Richard Guenther <rguenther@suse.de>
7549 * reload.c (push_reload): Guard calls to get_secondary_mem
7552 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7554 * alias.c (reg_base_value, old_reg_base_value): Change the
7555 type to VEC(rtx,gc) *.
7556 (REG_BASE_VALUE, find_base_value, record_set,
7557 init_alias_analysis): Use VEC instead of VARRAY.
7559 * alias.c (alias_sets): Change the type to
7560 VEC(alias_set_entry,gc) *.
7561 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7562 VEC instead of VARRAY.
7563 (last_alias_set): Remove.
7565 * cgraph.h (cgraph_edge_p): New.
7566 Update the prototype of cgraph_function_versioning.
7567 * cgraphunit.c (cgraph_copy_node_for_versioning,
7568 cgraph_function_versioning): Use VEC instead of VARRAY.
7569 * ipa-cp.c (ipcp_insert_stage): Likewise.
7571 2006-04-16 Roger Sayle <roger@eyesopen.com>
7574 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7575 "A op B" or "A op C", we may need to convert A to the type of B and C.
7577 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7579 * target.h (struct gcc_target): Add mode_rep_extended.
7580 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7581 (init_num_sign_bit_copies_in_rep): Initialize it using
7583 (truncate_to_mode): Use it.
7584 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7585 * targhooks.h (default_mode_rep_extended): Declare it.
7586 * targhooks.c (default_mode_rep_extended): Define it.
7587 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7588 default_mode_rep_extended.
7589 (TARGET_INITIALIZER): Include it.
7590 * doc/tm.texi (Misc): Document it.
7591 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7592 (mips_truncated_to_mode): New function.
7594 2006-04-16 Roger Sayle <roger@eyesopen.com>
7597 * expr.c (compress_float_constant): Copy the narrow constant into
7598 a new pseudo before extending it to its final width.
7600 2006-04-16 Roger Sayle <roger@eyesopen.com>
7601 Andrew Pinski <pinskia@gcc.gnu.org>
7602 Dale Johannesen <dalej@apple.com>
7605 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7606 special case code to implement V8HImode and V16QImode with SSE2.
7608 2006-04-15 Roger Sayle <roger@eyesopen.com>
7610 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7611 trees are constructed with a suitable tree type.
7613 2006-04-15 Roger Sayle <roger@eyesopen.com>
7615 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7616 (integer_onep): Likewise.
7617 (integer_all_onesp): Likewise.
7618 (integer_pow2p): Likewise.
7619 (integer_nonzerop): Likewise.
7620 (real_zerop): Likewise.
7621 (real_onep): Likewise.
7622 (real_twop): Likewise.
7623 (real_minus_onep): Likewise.
7624 (int_size_in_bytes): Likewise.
7625 (host_integerp): Likewise.
7627 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7629 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7630 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7631 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7633 * tree-ssa-structalias.h (alias_info): Remove num_references.
7635 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7637 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7638 (output_bvb patterns): Likewise.
7639 * pa.c (output_bb): Use 'bb' insn for long branch case.
7640 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7641 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7642 1. Correct length operand for alternatives 1 and 2.
7643 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7644 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7646 2006-04-14 Roger Sayle <roger@eyesopen.com>
7648 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7649 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7650 were accidentally reverted by r112959.
7652 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7655 * except.h (eh_region_outermost): New prototype.
7656 * except.c (eh_region_outermost): New function.
7657 * tree-cfg.c (find_outermost_region_in_block): Use it.
7659 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7661 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7663 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7664 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7665 (init_reload, reload): Use VEC instead of VARRAY.
7666 * reload.h: Update the prototype for
7667 reg_equiv_memory_loc_varray.
7669 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7670 Eric Botcazou <ebotcazou@libertysurf.fr>
7672 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7675 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7678 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7679 to expand fallback builtin function call.
7681 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7684 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7685 and emit libcall here in case the builtin fails.
7686 (expand_builtin_strcmp): Always emit the libcall here on failure.
7688 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7690 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7691 * flow.c (reg_n_info): Change the type to
7692 VEC(reg_info_p,heap) *.
7693 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7695 * regs.h (reg_info_p): New.
7696 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7697 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7698 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7701 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7703 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7705 * params.h (MAX_SCHED_READY_INSNS): New macro.
7706 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7707 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7708 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7709 the ready list for 1 cycle during the first scheduling pass.
7710 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7712 2006-04-13 Richard Henderson <rth@redhat.com>
7715 * gimple-low.c (lower_omp_directive): Remove dead code.
7716 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7717 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7718 * omp-low.c (struct omp_region): Move to tree-flow.h.
7719 (root_omp_region): Export.
7720 (omp_regions, lookup_omp_region): Remove.
7721 (determine_parallel_type): Update for struct omp_region changes.
7722 (dump_omp_region): Dump regions with block numbers.
7723 (new_omp_region): Take type and block instead of stmt; malloc
7725 (free_omp_region_1, free_omp_regions): New.
7726 (expand_parallel_call): Take entry_stmt as argument; update for
7727 changes to omp_region.
7728 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7729 (remove_exit_barriers): New.
7730 (expand_omp_parallel): Update for struct omp_region changes.
7731 (expand_omp_synch): Likewise.
7732 (expand_omp): Likewise.
7733 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7734 (expand_omp_for_static_chunk): Likewise.
7735 (expand_omp_for): Likewise.
7736 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7737 (expand_omp_sections): Similarly, with GOMP_sections_end.
7738 (expand_omp_single): New.
7739 (build_omp_regions_1): Update for OMP_CONTINUE.
7740 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7741 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7742 OMP_SECTIONS_SECTIONS.
7743 (lower_omp_single_simple): Don't emit barrier here.
7744 (lower_omp_single_copy): Likewise.
7745 (lower_omp_single): Fix bindings, and lower to straightline now.
7746 (lower_omp_master, lower_omp_ordered): Likewise.
7747 (lower_omp_critical): Likewise.
7748 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7749 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7750 omp edges, free it afterward.
7751 (make_omp_sections_edges): Remove.
7752 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7753 (move_stmt_r): Handle OMP_CONTINUE.
7754 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7755 statement pointers to basic blocks. Add type member.
7756 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7757 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7758 * tree-inline.c (estimate_num_insns_1): Likewise.
7759 * tree-pretty-print.c (dump_generic_node): Likewise.
7760 * tree-ssa-operands.c (get_expr_operands): Likewise.
7761 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7762 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7763 (OMP_CONTINUE): New.
7764 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7765 (OMP_SECTIONS_SECTIONS): Remove.
7766 (OMP_SECTION_LAST): New.
7767 (OMP_RETURN_NOWAIT): New.
7769 2006-04-13 Roger Sayle <roger@eyesopen.com>
7771 * fold-const.c (native_encode_vector, native_interpret_real):
7772 Correct obvious mistakes in the previous check-in.
7774 2006-04-13 Roger Sayle <roger@eyesopen.com>
7776 * fold-const.c (native_encode_expr): New function to encode
7777 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7778 or VECTOR_CST into a specified buffer.
7779 (native_encode_int): New function.
7780 (native_encode_real): New function.
7781 (native_encode_complex): New function.
7782 (native_encode_vector): New function.
7783 (native_interpret_expr): Inverse of native_encode_expr to convert
7784 a target representation into an INTEGER_CST, REAL_CST etc...
7785 (native_interpret_int): New function.
7786 (native_interpret_real): New function.
7787 (native_interpret_complex): New function.
7788 (native_interpret_vector): New function.
7789 (fold_view_convert_expr): New function to constant fold/evaluate
7790 a VIEW_CONVERT_EXPR of a suitable constant expression.
7791 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7792 Change call of build1 to fold_build1 when constructing a
7795 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7796 Ulrich Weigand <uweigand@de.ibm.com>
7799 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7802 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7805 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7806 optimize to lo_sum for DFmode if !TARGET_FPRS.
7808 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7810 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7811 delete_alias_info, compute_flow_sensitive_aliasing,
7812 group_aliases): Use VEC instead of VARRAY.
7813 * tree-ssa-structalias.c (update_alias_info): Likewise.
7814 * tree-ssa-structalias.h (alias_info): Change the type of
7815 processed_ptrs to VEC(tree,heap) *.
7817 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7820 * config/sh/lib1funcs.h: New file, broken out of:
7821 * config/sh/lib1funcs.asm.
7822 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7824 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7825 * config/sh/lib1funcs-Os-4-200.asm: New file.
7826 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7827 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7828 (EXTRA_MULTILIB_PARTS): Include it.
7829 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7830 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7831 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7832 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7835 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7837 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7838 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7839 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7841 * tree-ssa-live.h: Include vecprim.h.
7842 (tree_partition_associator_d): Change the type of
7843 first_partition to VEC(int,heap) *.
7844 (tpa_first_partition): Use VEC instead of VARRAY.
7846 * Makefile.in (GTFILES): Move functions.h after tree.h.
7847 * function.c (reset_block_changes, record_block_change,
7848 check_block_change, free_block_changes): Use VEC instead of
7850 * function.h (function): Change the type of
7851 ib_boundaries_block to VEC(tree,gc) *.
7852 * tree-inline.c (copy_cfg_body): Initialize
7853 ib_boundaries_block to NULL instead of (varray_type) 0.
7855 2006-04-12 Roger Sayle <roger@eyesopen.com>
7857 * expr.c (emit_group_store): Correct operand order in call to
7858 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7859 a SUBREG_BYTE of zero.
7861 2006-04-12 Richard Guenther <rguenther@suse.de>
7863 * profile.c (compute_branch_probabilities): Remove code
7864 encapsulated in !ir_type (), which are remanents of the
7865 removed RTL profiling code.
7866 * rtl-profile.c: Remove.
7868 2006-04-12 Alan Modra <amodra@bigpond.net.au>
7870 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
7871 magic NULL_RTX comment.
7872 (function_arg): Store entire fp arg to mem if any part should go
7874 (rs6000_arg_partial_bytes): Adjust for above change.
7876 2006-04-11 Roger Sayle <roger@eyesopen.com>
7878 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
7879 if it hasn't been initialized by dwarf2out_init.
7881 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
7883 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
7884 symbolic constants in branch patterns.
7886 2006-04-11 Roger Sayle <roger@eyesopen.com>
7888 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7890 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7892 PR rtl-optimization/27073
7893 * gcse.c (try_replace_reg): Revert last change. Continue to search
7894 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7897 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7899 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7900 aggregate types other than record and union types.
7901 (function_arg): Likewise.
7902 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7904 (function_value): In 64-bit mode, return objects that require it
7907 2006-04-11 Roger Sayle <roger@eyesopen.com>
7909 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7911 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7913 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7915 2006-04-03 Jeff Law <law@redhat.com>
7918 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7919 alias information too.
7921 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7923 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7925 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7928 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7929 (premark_used_types_helper): New.
7930 (premark_used_types): New.
7931 (gen_subprogram_die): Call premark_used_types.
7932 (prune_unused_types_walk): Do not prune perennial dies.
7933 * function.c (used_types_insert): New.
7934 * function.h (struct function): Add used_types_hash field.
7935 (used_types_insert): Add prototype.
7936 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
7937 * c-parser.c (c_parser_cast_expression): Save casted types in used
7940 2006-04-11 Mark Mitchell <mark@codesourcery.com>
7943 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
7944 rs6000_explicit_options.float_gprs.
7946 2006-04-10 Roger Sayle <roger@eyesopen.com>
7948 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
7949 from ix86_expand_vector_init_low_nonzero. Take an additional
7950 one_var argument indicating which element is non-zero. Support
7951 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7952 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
7953 with one_var instead of ix86_expand_vector_init_low_nonzero.
7955 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
7957 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
7958 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
7959 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
7960 build/genextract.o): Depend on vecprim.h.
7961 * cfglayout.c, df-problems.c, function.c, genextract.c,
7962 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
7963 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
7967 2006-04-10 Geoffrey Keating <geoffk@apple.com>
7969 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
7970 Declare VECs of this type.
7971 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
7972 (remove_children): Delete.
7973 (add_dwarf_attr): Use VEC routines.
7974 (add_AT_flag): Update for changes to add_dwarf_attr.
7975 (add_AT_int): Likewise.
7976 (add_AT_unsigned): Likewise.
7977 (add_AT_long_long): Likewise.
7978 (add_AT_vec): Likewise.
7979 (add_AT_string): Likewise.
7980 (add_AT_die_ref): Likewise.
7981 (add_AT_fde_ref): Likewise.
7982 (add_AT_loc): Likewise.
7983 (add_AT_loc_list): Likewise.
7984 (add_AT_addr): Likewise.
7985 (add_AT_lbl_id): Likewise.
7986 (add_AT_lineptr): Likewise.
7987 (add_AT_macptr): Likewise.
7988 (add_AT_offset): Likewise.
7989 (add_AT_range_list): Likewise.
7990 (get_AT): Use VEC_iterate.
7991 (remove_AT): Use VEC_ordered_remove.
7992 (free_die): Fold remove_children into here; have it use VEC_iterate.
7993 (print_die): Use VEC_iterate on attrs.
7994 (reverse_die_lists): Don't reverse attr lists.
7995 (die_checksum): Use VEC_iterate on attrs.
7996 (same_die_p): Likewise.
7997 (output_location_lists): Likewise.
7998 (build_abbrev_table): Likewise.
7999 (size_of_die): Likewise.
8000 (unmark_all_dies): Likewise.
8001 (output_abbrev_section): Likewise.
8002 (output_die): Likewise.
8003 (prune_unused_types_walk_attribs): Likewise.
8005 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8007 * doc/install.texi (*-*-solaris2*): Point to the configure page.
8009 2006-04-10 Jakub Jelinek <jakub@redhat.com>
8012 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
8014 2006-04-09 Roger Sayle <roger@eyesopen.com>
8016 * expr.c (store_constructor): Don't bother clearing target if
8017 we're about to assign a vector to it using vec_init_optab.
8019 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
8021 * tree-ssa-alias.c (lhs_may_store_to): New function.
8022 (recalculate_used_alone): Handle LHS of calls.
8024 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8028 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
8029 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
8030 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
8031 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
8032 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
8033 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
8034 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
8035 stubs. Add ".align 8" directives before all ".dword" directives.
8036 (GTHREAD_USE_WEAK): Revise comment.
8037 (TARGET_ATTRIBUTE_WEAK): Define.
8038 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
8039 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
8040 * stublib.c: New file.
8045 * pa.md (cbranch patterns): Revise arguments used in calls to
8046 output_cbranch, output_bb and output_bvd. Add long branch length
8048 (fbranch patterns): Handle long branches.
8049 (jump): Revise length check. Revise arguments for output_lbranch call.
8050 Add long branch length attributes.
8051 (decrement_and_branch_until_zero): Add long branch length attributes.
8052 (output_movb, output_parallel_addb and output_parallel_movb patterns):
8053 Likewise. Revise arguments for output_parallel_addb and
8054 output_parallel_movb calls.
8055 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8056 output_parallel_movb and output_parallel_addb): Update prototypes.
8057 * pa.c (output_cbranch): Revise arguments. Correct handling of
8058 nullification in long branches.
8059 (output_lbranch): Add new argument to control extraction of delay
8061 (output_bb): Handle long branches.
8062 (output_bvb, output_dbra, output_movb, output_parallel_movb,
8063 output_parallel_addb): Likewise.
8065 2006-04-09 Richard Sandiford <richard@codesourcery.com>
8067 PR rtl-optimization/27073
8068 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8071 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
8073 * tree.h (tree_memory_tag): Add old_used_alone.
8074 (SMT_OLD_USED_ALONE): New macro.
8075 * tree-ssa-alias.c (recalculate_used_alone): Stop
8076 marking things for renaming unnecessarily.
8078 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
8080 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
8081 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
8082 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
8083 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8084 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8085 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8086 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
8087 spelling convensions.
8088 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8089 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8090 typos. Follow spelling conventions.
8092 2006-04-07 DJ Delorie <dj@redhat.com>
8094 * config/m32c/m32c.c (m32c_function_arg): Structures are always
8095 passed on the stack.
8096 (m32c_init_cumulative_args): When a function returns a structure,
8097 always pass the pointer to that return area on the stack.
8098 (m32c_function_arg_advance): Don't increment the parameter number
8099 if we're processing the returned structure pointer.
8100 (pushm_info): Reverse order of registers.
8102 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
8104 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8105 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8106 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8107 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8109 * tree-chrec.c (chrec_fold_multiply_poly_poly,
8110 chrec_fold_multiply): Same.
8111 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8112 force_expr_to_var_cost): Same.
8113 * tree-mudflap.c (mf_xform_derefs_1): Same.
8114 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8116 2006-04-07 David Edelsohn <edelsohn@gnu.org>
8118 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8119 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
8122 2006-04-07 Jan Hubicka <jh@suse.cz>
8124 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8126 2006-04-07 Richard Guenther <rguenther@suse.de>
8128 PR tree-optimization/26135
8129 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8130 loads for store copy-prop.
8131 (copy_prop_visit_stmt): Likewise.
8133 2006-04-05 Robert Millan <robertmh@gnu.org>
8135 * config/i386/linux.h: Add a comment to mark macros that are
8136 being overriden in config/k*bsd-gnu.h.
8137 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8139 * config/knetbsd-gnu.h: Ditto.
8141 2006-04-06 Jan Hubicka <jh@suse.cz>
8145 * coverage.c (coverage_checksum_string): Reorganize loop to not read
8148 2006-04-06 Mike Stump <mrs@apple.com>
8150 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8151 for HAVE_nonlocal_goto to be consistent.
8152 (expand_builtin_nonlocal_goto): Likewise.
8153 (expand_builtin_strcmp): Use #ifdef instead of #if
8154 for HAVE_cmpstrnsi to be consistent.
8156 2006-04-05 DJ Delorie <dj@redhat.com>
8158 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8161 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
8163 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8164 got-relative addressing for anything but SImode.
8166 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8167 even if the calling function doesn't modify them.
8169 2006-04-05 Richard Guenther <rguenther@suse.de>
8171 PR tree-optimization/26919
8172 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8173 to cgraph_estimate_size_after_inlining.
8175 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8177 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8179 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8181 PR tree-optimization/26996
8182 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8183 VECTOR_TYPE variables.
8185 2006-04-05 Richard Guenther <rguenther@suse.de>
8187 PR tree-optimization/26763
8188 * fold-const.c (fold_comparison): Move folding of
8189 PTR + CST CMP PTR + CST ...
8190 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8192 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8194 * doc/install.texi (Prerequisites): Refine some wording on
8195 bootstrapping and ksh.
8196 Move the version numbers of DejaGnu here from the testing section
8197 and fix casing of names.
8198 Fix markup and clarify wording for autogen requirements.
8199 Refer to GCJ instead of just java.
8200 Refer to SVN instead of CVS.
8201 Describe diffutils as useful instead of necessary.
8202 (Downloading the source): Refer to SVN instead of CVS.
8203 Adjust a link to our web site accordingly.
8204 (Configuration): Fix casing of Bison.
8205 (Building): Refer to SVN instead of CVS.
8206 Fix a sentence on the use of Bison and remove duplicate (and
8207 incorrect) version number of Bison requirement.
8208 Remove one redundant list of packages needed for building.
8209 (Specific): Avoid reference to CVS.
8211 2006-04-04 Eric Christopher <echristo@apple.com>
8213 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8214 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8215 (rs6000_handle_struct_attribute): New.
8216 (rs6000_ms_bitfield_layout_p): Ditto.
8218 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8220 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8221 NULL for dso parameter to atexit_common.
8223 2006-04-04 Eric Christopher <echristo@apple.com>
8225 * config/i386/i386.c (machopic_output_stub): Output \t
8226 between instructions and operands.
8228 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8230 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8231 satisfies_constraint_[IL] to explicit tests on value.
8233 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8235 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8236 set_nb_iterations_in_loop): Use build_int_cst instead of
8238 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8239 build_int_cst instead of convert.
8241 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
8243 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8244 new value 2 for incoming.
8245 * function.c (expand_function_start): Call struct_value_rtx
8247 * config/sparc/sparc.md: Comment updated_return.
8248 * config/sparc/sparc.opt: Add -mstd-struct-return option.
8249 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8250 struct return if sparc_std_struct_return and incoming is 2.
8251 (print_operand): Do not adjust return if
8252 sparc_std_struct_return.
8254 2006-04-04 Roger Sayle <roger@eyesopen.com>
8256 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8257 convert in the middle-end.
8258 * expr.c (store_expr, store_constructor, get_inner_reference,
8259 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8261 * tree.c (build_range_type): Likewise.
8263 2006-04-04 Tom Tromey <tromey@redhat.com>
8265 * doc/install.texi (Prerequisites): Mention jar.
8267 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
8269 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8272 2006-04-04 Matthias Klose <doko@debian.org>
8274 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8278 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8281 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8283 * doc/extend.texi (Function Attributes): Rewrite visibility
8284 attribute documentation.
8285 * doc/invoke.texi (C++ Dialect Options): Rewrite
8286 -fvisibility-inlines-hidden documentation to describe something
8287 entirely different, although in practise compatible.
8288 (Code Gen Options): Warn about system headers in -fvisibility=
8291 * doc/extend.texi (Other Builtins): Document that
8292 __builtin_nan is a compile-time constant only when its argument
8295 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8297 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8298 trying to remove TRUNCATE check if all bits outside the new mode
8299 are identical to the sign bit.
8301 2006-04-03 Jeff Law <law@redhat.com>
8303 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8304 and operand scanning in some common cases.
8306 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8307 Dale Johannesen <dalej@apple.com>
8310 * regclass.c (struct reg_pref): Update documentation.
8311 (regclass): Set prefclass to NO_REGS if memory is the best option.
8312 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8313 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8314 into account. For non-registers, equate an empty preferred
8315 reload class to a `!' in the constraint; move the if clause to
8316 do so after those that reject the insn.
8317 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8319 (find_dummy_reload): Likewise.
8320 * doc/tm.texi (Register Classes): Document what it means
8321 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8322 * config/i386/i386.c (ix86_preferred_reload_class): Force
8323 using SSE registers (and return NO_REGS for floating-point
8324 constants) if math is done with SSE.
8325 (ix86_preferred_output_reload_class): New.
8326 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8327 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8328 * config/i386/i386.md: Remove # register preferences.
8330 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8333 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8334 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8335 the type of nb_iter.
8336 (instantiate_parameters_1): Convert the operands before calling
8337 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8338 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8340 2006-04-02 Roger Sayle <roger@eyesopen.com>
8342 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8343 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8345 * dojump.c (do_jump): Likewise.
8346 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8347 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8348 gimplify_boolean_expr): Likewise.
8349 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8350 * varasm.c (array_size_for_constructor): Likewise.
8351 * tree-object-size.c (compute_object_offset): Likewise.
8353 2006-04-02 Roger Sayle <roger@eyesopen.com>
8356 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8357 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8359 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8361 PR tree-optimization/26939
8362 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8364 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8366 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8367 at_stmt. Convert the type of operands before calling
8368 build_polynomial_chrec.
8369 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8371 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8372 (instantiate_parameters_1): Convert the type of operands before calling
8373 build_polynomial_chrec.
8374 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8375 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8376 reset_evolution_in_loop): Insert asserts to check the types of the
8378 (chrec_type): Moved...
8379 (eq_evolutions_p): Use operand_equal_p.
8380 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8381 the types of the operands.
8382 (chrec_type): ...here.
8383 * tree-data-ref.c (create_data_ref): Convert the operands before
8384 calling chrec_replace_initial_condition.
8385 (same_access_functions, analyze_subscript_affine_affine,
8386 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8387 (compute_subscript_distance, analyze_ziv_subscript,
8388 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8389 analyze_miv_subscript): Convert the operands before calling
8390 chrec_fold_minus or chrec_fold_plus.
8392 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8394 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8395 the dependence_relations vector.
8396 (compute_data_dependences_for_loop): Adjust call to
8397 compute_all_dependences.
8399 2006-04-01 Roger Sayle <roger@eyesopen.com>
8400 Richard Henderson <rth@redhat.com>
8402 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8403 gimple_boolify on the condition before calling gimplify_expr.
8405 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8407 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8408 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8409 the frame size. Update to use the new macros.
8410 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8411 * config/xtensa/ieee754-df.S: Likewise.
8413 2006-03-31 Richard Henderson <rth@redhat.com>
8415 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8416 (make_edges): ... here. Control fallthru creation with a local
8417 variable. Do not play with fake edges.
8418 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8419 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8422 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8424 * dwarf2.h (DW64_CIE_ID): Define.
8425 * dwarf2out.c (DWARF_CIE_ID): Define.
8426 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8427 length header. Use DWARF_CIE_ID.
8428 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8429 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8431 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8433 * config/sh/linux-atomic.asm: New file.
8434 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8436 2006-03-31 DJ Delorie <dj@redhat.com>
8438 * config/m32c/cond.md: Set condition flags properly throughout.
8439 * config/m32c/minmax.md: Likewise.
8440 * config/m32c/prologue.md: Likewise.
8441 * config/m32c/bitops.md: Likewise.
8442 * config/m32c/muldiv.md: Likewise.
8443 * config/m32c/mov.md: Likewise.
8444 * config/m32c/addsub.md: Likewise.
8445 * config/m32c/m32c.md: Likewise.
8446 * config/m32c/jump.md: Likewise.
8447 * config/m32c/shift.md: Likewise.
8449 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8450 conditionally output the pattern for this.
8451 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8452 (m32c_compare_redundant): New.
8453 (m32c_output_compare): New.
8454 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8456 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8457 dest, not src. Allow other 4-byte modes.
8459 2006-03-30 Denis Chertykov <denisc@overta.ru>
8461 * doc/md.texi: Refer to avr/constraints.md instead of
8464 2006-03-30 Roger Sayle <roger@eyesopen.com>
8466 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8467 signed vs. unsigned comparison failures on some hosts.
8469 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8472 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8473 change to FLOAT_REGS.
8475 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8476 (rs6000_override_options): Use it.
8477 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8478 only for -mabi=spe/no-spe and -mabi=altivec.
8480 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8482 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8485 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8487 * Makefile.in: Rename docdir to gcc_docdir.
8489 2006-03-30 Roger Sayle <roger@eyesopen.com>
8492 * expr.c (emit_group_store): Optimize group stores into a pseudo
8493 register by using a paradoxical subreg to initialize the destination
8494 if the first or last member of the group specifies a "low part".
8496 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8499 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8500 * target.h (struct gcc_target.speculate_insn): Change type of the
8501 second parameter to 'int'.
8502 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8503 the second operand of the DEPS_LIST.
8504 (copy_DEPS_LIST_list): Update reference to the second operand of the
8506 * rtl.h (alloc_DEPS_LIST): Update signature.
8507 * sched-int.h (ds_t): Change typedef to 'int'.
8508 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8510 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8512 * haifa-sched.c (try_ready): Change condition to restore
8513 non-speculative pattern of the instruction.
8514 (process_insn_depend_be_in_spec): Code to keep probability of the
8515 speculative dependence non-decreasing.
8517 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8519 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8520 (single_move_for_movmem): ... this. Also change all uses.
8521 (bfin_expand_strmov): Renamed to...
8522 (bfin_expand_movmem): ... this. Also change all uses.
8523 * config/bfin/bfin.md (movstrsi): Renamed to...
8524 (movstrsi): ...this.
8526 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8528 PR tree-optimization/26830
8530 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8531 (copy_prop_visit_stmt): Remove write-only variable ann.
8532 (init_copy_prop): Check variable loop depth here. Do not simulate
8533 memory-tag and virtual operand PHIs except for store copy prop.
8535 2006-03-30 Richard Guenther <rguenther@suse.de>
8537 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8538 variants with double arguments.
8540 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8542 * genpreds.c (write_tm_constrs_h): Delete variable p.
8543 * genconditions.c (write_header): Add tm-constrs.h to included
8545 * genpeep.c (main): Add toplev.h to included headers.
8546 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8547 (build/genpeep.o): Add toplev.h dependency.
8548 * config/rs6000/constraints.md: Add "W" constraint.
8550 2006-03-29 Roger Sayle <roger@eyesopen.com>
8552 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8553 sizes by correctly testing whether the size fits a host integer.
8554 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8555 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8556 SImode range for the default sizetype and bitsizetype.
8558 2006-03-29 Roger Sayle <roger@eyesopen.com>
8560 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8561 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8562 quickly if the argument is already of the correct type.
8563 Call fold_build1 instead of build1. Tidy up blank lines.
8565 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8567 * genemit.c (main): Add tm-constrs.h to included headers.
8568 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8569 * genpeep.c (main): Add tm-constrs.h to included headers.
8570 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8571 (write_tm_constrs_h): this and write complete file.
8572 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8573 (write_insn_preds_c): Add tm-constrs.h to included headers.
8574 (gen_constrs): New variable.
8575 (parse_option): Parse "-c".
8576 (main): Invoke write_tm_constrs_h.
8577 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8578 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8579 (object_out_file): Add tm-constrs.h dependency.
8580 (insn-emit.o): Same.
8581 (insn-output.o): Same.
8582 (insn-peep.o): Same.
8583 (insn-preds.o): Same.
8584 (insn-recog.o): Same.
8585 (tm-constsr.h): New target.
8586 (s-constrs-h): New target.
8588 * config/rs6000/constraints.md: New file.
8589 * config/rs6000/rs6000.c: Include tm-constrs.h.
8590 (num_insn_constant_wide): Convert to satisfies_constraint.
8591 (rs6000_rtx_costs): Convert to satisfies_constraint.
8592 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8593 (CONST_OK_FOR_LETTER_P): Delete.
8594 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8595 (EXTRA_CONSTRAINT): Delete.
8596 (EXTRA_MEMORY_CONSTRAINT): Delete.
8597 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8598 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8599 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8600 satisfies_constraint.
8602 * config/i386/i386.c: Include tm-constrs.h.
8604 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8606 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8607 * tree-data-ref.c (find_data_references_in_loop,
8608 compute_data_dependences_for_loop): Use pointers to VEC.
8609 (analyze_all_data_dependences): Adjust calls.
8610 * tree-data-ref.h (find_data_references_in_loop,
8611 compute_data_dependences_for_loop): Adjust declarations.
8612 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8613 compute_data_dependences_for_loop.
8615 2006-03-29 Paul Brook <paul@codesourcery.com>
8617 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8620 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8622 PR tree-optimization/26859
8623 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8625 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8626 for the step after fold_convert.
8628 2006-03-29 Paul Brook <paul@codesourcery.com>
8630 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8631 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8633 2006-03-29 Paul Brook <paul@codesourcery.com>
8636 * targhooks.c (default_narrow_bitfield): New fuction.
8637 * targhooks.h (default_narrow_bitfield): add prototype.
8638 * target.h (gcc_target): Add narrow_volatile_bitfield.
8639 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8640 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8641 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8642 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8644 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8646 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8648 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8649 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8650 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8651 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8652 (s390_function_arg_float): Allow SDmode and DDmode values to be
8653 passed in floating point registers.
8654 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8655 check with SCALAR_FLOAT_MODE_P.
8656 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8658 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8660 PR tree-optimization/25985
8661 * tree-ssa-loop-niter.c (number_of_iterations_le,
8662 number_of_iterations_ne): Make comments more precise.
8663 (number_of_iterations_cond): Add only_exit argument. Use the
8664 fact that signed variables do not overflow only when only_exit
8666 (loop_only_exit_p): New.
8667 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8668 number_of_iterations_cond.
8670 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8672 PR tree-optimization/26643
8673 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8676 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8678 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8679 (divsi3_i4_int): Likewise.
8681 2006-03-28 Roger Sayle <roger@eyesopen.com>
8683 * expr.c (emit_group_store): Only create a new pseudo reg if the
8684 quantity it needs to hold isn't already a suitable pseudo.
8686 2006-03-28 Jeff Law <law@redhat.com>
8688 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8689 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8691 2006-03-28 Roger Sayle <roger@eyesopen.com>
8693 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8694 the equivalent ~X & Y, and the symmetry related transformations.
8695 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8696 ~X & Y, and symmetry related transforms.
8698 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8700 Revert my 2006-03-27 patches.
8702 2006-03-28 Roger Sayle <roger@eyesopen.com>
8704 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8705 ~(T1)X, when T1 and T2 are integer types of the same precision
8706 and (T2)X isn't an extension.
8708 2006-03-28 Jeff Law <law@redhat.com>
8710 PR tree-optimization/26796
8711 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8712 need EH edge cleanups rather than purging them immediately.
8713 (eliminate_degenerate_phis): Handle queued EH cleanups.
8715 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8717 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8720 2006-03-27 Roger Sayle <roger@eyesopen.com>
8723 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8724 cast BIT_NOT_EXPR operand to the correct type.
8726 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8728 * tree-loop-linear.c: Don't include varray.h.
8729 (gather_interchange_stats, try_interchange_loops,
8730 linear_transform_loops): Use VEC instead of VARRAY.
8731 * lambda-mat.c: Don't include varray.h.
8732 * tree-chrec.c: Same.
8733 * lambda-trans.c: Same.
8734 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8735 VEC instead of VARRAY.
8736 * tree-vectorizer.h: Idem.
8737 * tree-data-ref.c (dump_data_references,
8738 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8739 initialize_data_dependence_relation, finalize_ddr_dependent,
8740 compute_all_dependences, find_data_references_in_loop,
8741 compute_data_dependences_for_loop, analyze_all_data_dependences,
8742 free_dependence_relation, free_dependence_relations,
8743 free_data_refs): Idem.
8744 * tree-data-ref.h (data_reference_p, subscript_p): New.
8745 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8746 VEC instead of VARRAY.
8747 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8748 (find_data_references_in_loop, compute_data_dependences_for_loop,
8749 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8750 dump_data_dependence_relations, free_dependence_relations,
8751 free_data_refs): Adjust declaration.
8752 (lambda_transform_legal_p): Move declaration here...
8753 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8754 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8755 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8756 vect_analyze_data_refs): Use VEC instead of VARRAY.
8757 * lambda.h (lambda_transform_legal_p): ...from here.
8758 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8759 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8760 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8761 tree-chrec.o): Don't depend on VARRAY_H.
8763 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8765 * rtl.def (Copyright): Update date.
8766 (DEPS_LIST): Change type of the second operand to 'int'.
8767 * target.h (Copyright): Update date.
8768 (struct gcc_target.speculate_insn): Change type of the second parameter
8770 * lists.c (Copyright): Update date.
8771 (alloc_DEPS_LIST): Change signature. Update reference to the second
8772 operand of the DEPS_LIST.
8773 (copy_DEPS_LIST_list): Update reference to the second operand of the
8775 * rtl.h (Copyright): Update date.
8776 (alloc_DEPS_LIST): Update signature.
8777 * sched-int.h (Copyright): Update date.
8778 (ds_t): Change typedef to 'int'.
8779 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8781 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8783 * haifa-sched.c (Copyright): Update date.
8784 (try_ready): Change condition to restore non-speculative pattern
8786 (process_insn_depend_be_in_spec): Code to keep probability of the
8787 speculative dependence non-decreasing.
8789 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8791 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8792 shut up the compiler.
8794 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8796 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8797 to use lib prefix for target.
8798 ($(T)libic_invalidate_array_4-200.a): Likewise.
8799 ($(T)libic_invalidate_array_4a.a): Likewise.
8801 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8802 J"orn Rennecke <joern.rennecke@st.com>
8804 * superh.opt: New file.
8805 * sh.c (boardtype, osruntime): Remove.
8806 * superh.h (SUBTARGET_OPTIONS): Remove.
8807 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8809 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8810 arguments with ^ and/or [].
8812 * config.gcc (sh-*-*): Add quoting to account for quirk of
8814 Replace == with = in enable_incomplete_targets test.
8816 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8817 with MASK_LITTLE_ENDIAN.
8819 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8820 * config/sh/sh.opt: Added to some comments.
8821 * config/sh/superh.h: Removed some chaff.
8823 * config/sh/sh.opt: Add m4-[1234]00* options.
8824 * config/sh/sh.c (sh_handle_option): Likewise.
8825 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8826 (ic_invalidate_array_4-100.o): New rule.
8827 ($(T)libic_invalidate_array_4-100.a): Likewise.
8828 (ic_invalidate_array_4-200.o): Likewise.
8829 ($(T)libic_invalidate_array_4-200.a): Likewise.
8830 (ic_invalidate_array_4a.o): Likewise.
8831 ($(T)libic_invalidate_array_4a.a): Likewise.
8832 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8833 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8835 * config/sh/crt1.asm: Merged in profiling code.
8836 * config/sh/superh.h (STARTFILE_SPEC): Override.
8837 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8838 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8839 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8841 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8842 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8843 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8845 * sh.opt (mpretend-cmove): New option.
8846 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8847 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8848 (movsicc): Add TARGET_PRETEND_CMOVE code.
8850 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8852 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8853 s390_class_max_nregs): New function prototypes.
8854 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8855 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8856 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8857 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8859 2006-03-26 Geoffrey Keating <geoffk@apple.com>
8861 * dwarf2out.c (add_location_or_const_value_attribute): Call
8862 tree_add_const_value_attribute if nothing else works.
8863 (reference_to_unused): New.
8864 (rtl_for_decl_init): Use reference_to_unused to decide whether
8865 to output an initializer.
8867 2006-03-27 Alan Modra <amodra@bigpond.net.au>
8870 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
8871 peephole removing spe frob_di_df_2.
8873 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
8875 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
8876 (subscript_dependence_tester_1): Declared.
8877 (print_dir_vectors, print_dist_vectors): New.
8878 (debug_data_dependence_relation): New.
8879 (dump_data_dependence_relation): Print more details.
8880 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
8881 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
8882 (save_dist_v, save_dir_v, add_outer_distances,
8883 build_classic_dist_vector_1): New.
8884 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
8885 Don't test for lambda_vector_lexico_pos.
8886 (same_access_functions, add_multivariate_self_dist,
8887 add_other_self_distances, dir_from_dist): New.
8888 (build_classic_dir_vector): Replace implementation almost identical to
8889 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8891 (subscript_dependence_tester_1): New.
8892 (subscript_dependence_tester): Handle the lexicographically negative
8893 distance vectors by recomputing the dependence relation.
8894 (compute_affine_dependence): Remove parameter loop_nest_depth.
8895 (compute_self_dependence): Don't call compute_subscript_distance.
8896 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8897 Add a parameter for the loop_nest.
8898 (find_loop_nest_1, find_loop_nest): New.
8899 (compute_data_dependences_for_loop): Compute the loop nest, and give
8900 up if the nest is not well formed.
8901 * tree-data-ref.h (loop_p): New.
8902 (struct data_dependence_relation): Replace size_vect field with
8903 loop_nest, a vec of loops.
8904 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8905 (DDR_LOOP_NEST): New.
8906 (print_dir_vectors, print_dist_vectors,
8907 debug_data_dependence_relation): Declared.
8908 (index_in_loop_nest): New.
8909 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8910 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8913 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8915 * simplify-rtx.c (simplify_relational_operation): Call
8916 simplify_relational_operation_1 even if mode is VOIDmode.
8918 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8920 PR tree-optimization/26804
8921 * tree.h (DECL_CALL_CLOBBERED): New macro.
8922 (tree_decl_common): Add call_clobbered_flag.
8923 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8924 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8925 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8926 (mark_non_addressable): Ditto.
8927 * tree-ssa.c (verify_call_clobbered): New function.
8928 (verify_alias_info): Use it.
8929 * tree-pass.h (pass_reset_cc_flags): New prototype.
8930 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8931 (reset_cc_flags): New function.
8932 * passes.c (init_optimization_passes): Call reset_cc_flags after
8933 initializing referenced_vars.
8935 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8936 Roger Sayle <roger@eyesopen.com>
8939 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8940 to 1.0 for non-real operands. Implement A / A optimization for
8943 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
8945 * config/i386/i386.c (size_cost): Correct the comment for
8946 cost of storing fp registers.
8947 (i386_cost): Likewise.
8948 (i486_cost): Likewise.
8949 (pentium_cost): Likewise.
8950 (pentiumpro_cost): Likewise.
8951 (k6_cost): Likewise.
8952 (athlon_cost): Likewise.
8953 (k8_cost): Likewise.
8954 (pentium4_cost): Likewise.
8955 (nocona_cost): Likewise.
8956 (generic64_cost): Likewise.
8957 (generic32_cost): Likewise.
8959 2006-03-24 Denis Chertykov <denisc@overta.ru>
8961 * config/avr/avr-protos.h (extra_constraint): Delete.
8962 (extra_constraint_Q): New declaration.
8963 * config/avr/constraints.md: New file.
8964 * config/avr/avr.md: Include it.
8965 (REG_X, REG_Y, REG_Z, REG_W): New constants.
8966 (TMP_REGNO, ZERO_REGNO): Likewise.
8967 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
8968 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
8969 (extra_constraint): Delete.
8970 (extra_constraint_Q): Test for memory constraint 'Q'.
8971 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
8972 (REG_CLASS_FROM_LETTER): Delete.
8973 (CONST_OK_FOR_LETTER_P): Delete.
8974 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8975 (EXTRA_CONSTRAINT): Delete.
8976 (TMP_REGNO): Delete.
8977 (ZERO_REGNO): Delete.
8979 2006-03-24 Jeff Law <law@redhat.com>
8981 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
8982 directly. Call mark_new_vars_to_rename slightly earlier.
8984 2006-03-24 Geoffrey Keating <geoffk@apple.com>
8986 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
8988 (gen_compile_unit_die): Use new language types for Objective-C and
8990 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
8991 DW_LANG_C_plus_plus.
8994 * config/t-darwin (crt3.o): Work around bug 26840.
8995 * config/darwin-crt3.c: Rewrite.
8996 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
8998 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
9000 * doc/invoke.texi: Document -femit-class-debug-always
9001 * common.opt: Add -femit-class-debug-always.
9003 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
9005 * config/s390/s390.c (s390_decompose_address): Allow SImode for
9006 index and base register.
9007 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9008 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
9009 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
9010 REGNO_OK_FOR_INDEX_P.
9011 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
9013 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
9014 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
9015 REG_OK_FOR_BASE_P): Definitions removed.
9017 2006-03-24 Jakub Jelinek <jakub@redhat.com>
9020 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
9021 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
9022 set yet or weren't marked as local yet.
9024 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
9026 * regrename.c (scan_rtx_address): Initialize a variable to shut up
9029 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
9031 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
9032 (rs6000_legitimate_small_data_p): Delete.
9033 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
9034 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
9035 and make static. Add forward declaration. Update uses.
9036 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
9037 of offsettable_memref_p.
9038 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
9039 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
9041 2006-03-24 Jeff Law <law@redhat.com>
9043 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
9044 around bug in immediate-use iterator.
9046 2006-03-24 Alan Modra <amodra@bigpond.net.au>
9049 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
9050 or __LITTLE_ENDIAN__.
9052 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
9054 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9055 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9056 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9057 * config/sh/sh.opt (mdiv=): Amend description.
9058 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9059 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9060 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9061 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9062 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9063 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9064 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9065 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
9066 TARGET_DIVIDE_CALL_FP.
9068 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9070 * haifa-sched.c (choose_ready): Fix type of the local variable.
9071 Move local variables. Add comment.
9072 (check_reg_live): Change signature. Make callable from debugger.
9073 * sched-int.h (check_reg_live): Update signature.
9074 * sched-ebb.c (check_reg_live): Update parameters.
9075 * sched-rgn.c (check_reg_live): Ditto.
9076 (region_head_or_leaf_p): Check pointer before dereferencing.
9077 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
9078 before reload on optimization levels below 1.
9080 2006-03-23 Richard Henderson <rth@redhat.com>
9082 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9086 * config/alpha/predicates.md (local_symbolic_operand): Reject
9089 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
9092 * tree-ssa-pre.c (create_value_expr_from): Don't reject
9093 expressions which have overflowed constants.
9095 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9097 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9099 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9101 * cfgloopmanip.c (create_loop_notes): Removed.
9102 * final.c (final_scan_insn): Do not handle loop notes.
9103 * jump.c (squeeze_notes): Ditto.
9104 * cfglayout.c (skip_insns_after_block,
9105 duplicate_insn_chain): Ditto.
9106 * cfgcleanup.c (rest_of_handle_jump2): Do not call
9108 * cfgloop.h (create_loop_notes): Declaration removed.
9110 2006-03-23 Richard Sandiford <richard@codesourcery.com>
9112 * varasm.c (output_constant_pool): Restore fnname and fndecl
9114 (assemble_start_function): Adjust call accordingly.
9115 (assemble_end_function): Likewise.
9117 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9120 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9123 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9125 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9128 * system.h (ICE_EXIT_CODE): New macro.
9129 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9130 (diagnostic_action_after_output): Likewise.
9131 * gcc.c (fatal_ice): New function.
9132 (execute): Use it instead of fatal.
9133 (fancy_abort): Likewise.
9134 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9136 2006-03-22 Jeff Law <law@redhat.com>
9138 * loop-unroll.c (analyze_iv_to_split_insn): Handle
9139 iv_analyze_result returning false.
9141 2006-03-22 Jie Zhang <jie.zhang@analog.com>
9143 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9145 2006-03-22 Richard Henderson <rth@redhat.com>
9148 * except.c (duplicate_eh_regions_0): New.
9149 (duplicate_eh_region_1): Duplicate the children of the node as
9150 well as the node itself. Link them up properly.
9151 (duplicate_eh_region_2): Merge into ...
9152 (duplicate_eh_regions): ... here. Take copy_region argument, and
9153 copy only a sub-tree if asked. Simplify copying and fixup.
9154 (eh_region_outer_p): New.
9155 * except.h (duplicate_eh_regions): Update decl.
9156 (eh_region_outer_p): Declare.
9157 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9158 (lower_omp_master): Likewise.
9159 (lower_omp_ordered): Likewise.
9160 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9161 (move_stmt_r): Use it to remap labels. Handle recursion vs
9162 remap_decls_p properly.
9163 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
9164 (find_outermost_region_in_block): New.
9165 (new_label_mapper): New.
9166 (move_sese_region_to_fn): Copy eh information to the new function
9168 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9170 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9173 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9175 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9176 into shared libraries.
9178 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9180 * doc/md.texi: Refer to i386/constraints.md instead of
9182 * config/i386/constraints.md: New file, extracted from...
9183 * config/i386/predicates.md: ...here.
9184 * config/i386/i386.md: Include constraints.md.
9186 2006-03-21 Jason Merrill <jason@redhat.com>
9188 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9191 * expr.c (init_block_move_fn): Force default visibility.
9192 (init_block_clear_fn): Likewise.
9193 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9194 * targhooks.c (default_external_stack_protect_fail): Likewise.
9196 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9198 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9199 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9200 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9201 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9202 (loadgp): Use mips_current_loadgp_style.
9203 (loadgp_noshared): New pattern.
9204 (sibcall_internal): Use MIPS_CALL.
9205 (sibcall_value_internal): Likewise.
9206 (sibcall_value_multiple_internal): Likewise.
9207 (call_internal): Likewise.
9208 (call_value_internal): Likewise.
9209 (call_value_multiple_internal): Likewise.
9210 (call_split): Use MIPS_CALL and add an 'S' constraint.
9211 (call_value_split): Likewise.
9212 (call_value_multiple_split): Likewise.
9213 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9214 (-mshared): New option.
9215 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9216 (mips_current_loadgp_style): Declare.
9217 * config/mips/mips.c (mips_classify_symbol): Avoid using
9218 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9219 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9220 TARGET_ABSOLUTE_ABICALLS.
9221 (override_options): Adjust comments. Improve the warning that is
9222 issued when -mabicalls and -G are used together.
9223 (mips_file_start): Remove comment.
9224 (mips_current_loadgp_style): New function.
9225 (mips_gnu_local_gp): New variable.
9226 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9228 (mips_output_function_prologue): Use mips_current_laodgp_style.
9229 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9230 the cprestore instruction.
9231 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9232 live for TARGET_ABSOLUTE_ABICALLS.
9233 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9234 (ASM_SPEC): Pass down -mshared and -mno-shared.
9235 (MIPS_CALL): New macro.
9236 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9238 * doc/invoke.texi (-mabicalls): Update documentation.
9239 (-mshared): Document.
9241 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9243 * config/ia64/unwind-hpux.c: New file.
9244 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9246 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9249 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9251 2006-03-21 Jeff Law <law@redhat.com>
9253 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9254 type conversions of a VR_VARYING source to a wider type.
9256 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9258 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9259 tm_file on Solaris 10 and later.
9260 (sparc64-*-solaris2*): Likewise.
9261 (sparc-*-solaris2*): Likewise.
9262 * config/sol26.h: Rename to config/sol2-6.h.
9263 * config/sol2-10.h: New file.
9265 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
9268 * tree-ssa-pre.c (create_component_ref_by_pieces):
9271 2006-03-21 Jakub Jelinek <jakub@redhat.com>
9274 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9275 return it immediately.
9277 2006-03-21 Michael Matz <matz@suse.de>
9279 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9281 (remove_arc, add_arc): Update num_out_arcs member.
9282 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9284 (cache_presence): New function.
9285 (compare_states_for_equiv): New function.
9286 (state_is_differed): Don't take number of outargs, adjust callers.
9287 Use new invariant for speeding up.
9288 (init_equiv_class): Create initial classes based on sorted
9290 (partition_equiv_class): Don't track out_arcs_num.
9291 (evaluate_equiv_classes): Call cache_presence on all states and
9294 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9296 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9297 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9298 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9299 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9301 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9302 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9303 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9304 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9305 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9307 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9308 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9309 (REGNO_REG_CLASS): ARGP is in PREGS.
9310 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9312 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9313 to deal with those addresses.
9314 * addresses.h: New file.
9315 * caller-save.c: Include "addresses.h".
9316 (init_caller_save): Use new base_reg_class function.
9317 * rtl-factoring.c: Include "addresses.h".
9318 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9319 * recog.c: Include "addresses.h".
9320 (preprocess_constraints): Use new base_reg_class function.
9321 * regrename.c: Include "addresses.h".
9322 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9323 functions. Keep track of a new var INDEX_CODE to compute valid
9325 (replace_oldest_value_addr): Likewise.
9326 (replace_oldest_value_mem): Use base_reg_class.
9327 * reload.c: Include "addresses.h".
9328 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9329 (find_reloads): Use new base_reg_class function.
9330 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9331 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9332 all callers and prototype changed.
9333 * reload1.c: Include "addresses.h".
9334 (maybe_fix_stack_asms): Use base_reg_class.
9335 * regclass.c: Include "addresses.h".
9336 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9337 (init_reg_autoinc): Use new base_reg_class function.
9338 (record_reg_classes): Likewise.
9339 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9340 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9341 Use new args to compute necessary class.
9343 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9344 regrename.o, rtl-factoring.o): Update dependencies.
9345 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9346 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9347 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9348 REG_OK_FOR_INDEX_P): Delete documentation.
9350 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9352 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9353 from V7 to V9 for Solaris 7 and above.
9355 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9357 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9358 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9359 argument pointers may not alias any other storage.
9360 * common.opt: Define option -fargument-noalias-anything.
9361 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9362 alias semantics is specified by flag_argument_noalias > 2.
9364 2006-03-20 Jeff Law <law@redhat.com>
9366 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9367 (pass_phi_only_cprop): Declare.
9368 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9370 * tree-ssa-dom.c (degenerate_phi_result): New function.
9371 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9372 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9373 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9374 (eliminate_degenerate_phis): Likewise.
9375 (pass_phi_only_cprop): New pass descriptor.
9376 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9377 support code. Callers updated.
9378 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9379 (store_copy_prop): Likewise.
9380 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9382 2006-03-20 Jason Merrill <jason@redhat.com>
9385 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9386 (push_visibility, pop_visibility): Likewise.
9387 * c-pragma.h: Declare them.
9389 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9391 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9393 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9394 parameter and use get_ebb_head_tail.
9395 (sh_md_init_global): Adjust uses of find_regmode_weight.
9397 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9399 * function.h (struct function) <x_tail_recursion_reentry>:
9400 Rename to x_stack_check_probe_note.
9401 (tail_recursion_reentry): Rename to stack_check_probe_note.
9402 * function.c: Replace tail_recursion_reentry with
9403 stack_check_probe_note everywhere.
9404 (expand_function_start): Only emit a note for
9405 stack_check_probe_note with -fstack-protect.
9406 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9408 * emit-rtl.c (remove_unnecessary_notes): Remove.
9409 (pass_remove_unnecessary_notes): Remove.
9410 * rtl.h (remove_unnecessary_notes): Remove prototype.
9411 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9412 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9413 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9415 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9418 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9419 (valid_in_set): Handle ARRAY_REF.
9420 Change "if min_variant or VH" to asserts.
9421 (create_component_ref_by_pieces): Handle ARRAY_REF.
9422 (create_expression_by_pieces): Likewise.
9423 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9425 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9427 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9428 is operand of switch, not str[0].
9430 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9432 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9433 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9435 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9437 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9438 end of insn_extra_address_constraint declaration.
9440 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9442 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9443 (no-sum-in-toc): Same.
9444 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9446 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9447 NO_FP_IN_TOC for -fPIC instead of mask.
9449 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9450 (BOOT_LDFLAGS): Delete.
9452 * config/rs6000/t-aix52: Same.
9454 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9455 (stmsi[345678]_power): New.
9457 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9459 * config/ia64/ia64.opt: Add empty line to end of file.
9461 2006-03-17 Richard Guenther <rguenther@suse.de>
9464 * builtins.c (get_pointer_alignment): For component style references
9465 adjust alignment to the component type alignment. Make sure
9466 to adjust alignment for component access of constants.
9468 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9470 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9473 2006-03-17 Paul Brook <paul@codesourcery.com>
9475 * doc/install.texi: Docuemnt --with-mode.
9476 * config.gcc: Add --with-mode for arm*-*-*.
9477 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9479 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9481 * sh.c (max_labelno_before_reorg): New variable.
9482 (sh_reorg): Initialize it.
9483 (find_barrier): Check max_labelno_before_reorg before using
9484 label_to_alignment. Take length of explicit alignment insns
9485 into account. When seeing a UNSPECV_CONST_END, return it.
9487 * sh.c (fixup_mova): Set mode of affected label to QImode.
9488 (untangle_mova): New function.
9489 (find_barrier): Use it. Check mode of label before decrementing
9491 (sh_reorg): Likewise.
9492 Set mode of all insns back to VOIDmode.
9494 * sh.c (MOVA_LABELREF): New macro.
9495 (mova_p, fixup_mova, sh_reorg): Use it.
9496 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9497 ADDR_DIFF_VEC matches mova.
9499 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9501 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9502 with ATTRIBUTE_UNUSED.
9504 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9506 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9507 pointer, instead of assuming it is possible to derive the
9508 correct args size from a call insn.
9510 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9512 * rtl.h (CONST_INT_P): Define.
9513 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9514 instead of GET_CODE(x) == CONST_INT.
9515 (vax_rtx_costs): Likewise.
9516 (vax_output_int_move): Likewise.
9517 (vax_output_int_add): Likewise.
9518 (legitimate_constant_address_p): Likewise.
9519 (index_term_p): Likewise.
9520 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9521 * config/vax/vax.md (and<mode>3): Likewise.
9522 (ashrsi3): Likewise.
9524 (movstricthi): Likewise.
9525 (movstrictqi): Likewise.
9526 (rotrsi3): Likewise.
9527 (five unnamed insns): Likewise.
9529 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9531 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9532 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9533 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9534 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9535 Pass to ASM_OUTPUT_DWARF_OFFSET.
9536 * dwarf2out.c (debug_frame_section): New.
9537 (output_call_frame_info): Use debug_frame_section. Pass it to
9538 dw2_asm_output_offset.
9539 (output_die): Pass appropriate section to dw2_asm_output_offset.
9540 (output_compilation_unit_header): Likewise.
9541 (output_pubnames): Likewise.
9542 (output_aranges): Likewise.
9543 (enum dw_val_class): Break dw_val_class_lbl_offset into
9544 dw_val_class_lineptr and dw_val_class_macptr.
9545 (add_AT_lbl_offset): Delete.
9546 (add_AT_lineptr): New.
9547 (add_AT_macptr): New.
9548 (AT_lbl): Expect a lineptr or macptr.
9549 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9550 (attr_checksum): Likewise.
9551 (same_dw_val_p): Likewise.
9552 (size_of_die): Likewise.
9553 (value_format): Likewise.
9554 (output_die): Likewise.
9555 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9557 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9558 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9559 * config/darwin-protos.h (darwin_file_start): New.
9560 (darwin_asm_output_dwarf_offset): New.
9561 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9562 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9564 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9565 if not EH section; simplify.
9566 (darwin_file_start): New.
9567 (darwin_asm_output_dwarf_offset): New.
9568 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9570 (DEBUG_INFO_SECTION): Likewise.
9571 (DEBUG_ABBREV_SECTION): Likewise.
9572 (DEBUG_ARANGES_SECTION): Likewise.
9573 (DEBUG_MACINFO_SECTION): Likewise.
9574 (DEBUG_LINE_SECTION): Likewise.
9575 (DEBUG_LOC_SECTION): Likewise.
9576 (DEBUG_PUBNAMES_SECTION): Likewise.
9577 (DEBUG_STR_SECTION): Likewise.
9578 (DEBUG_RANGES_SECTION): Likewise.
9579 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9580 (ASM_OUTPUT_DWARF_OFFSET): New.
9582 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9584 * config.gcc (tm_defines): Always add to previous value rather
9587 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9589 * config/mips/predicates.md (splittable_const_int_operand): New,
9590 split from move_operand.
9591 (splittable_symbolic_operand): New.
9592 (move_operand): Add commentary. Use splittable_const_int_operand.
9593 Inline mips_atomic_symbolic_constant_p.
9594 * config/mips/mips.md: Add combine splitters for handling moves
9595 of splittable_const_int_operands and splittable_symbolic_operands.
9596 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9597 (mips_split_symbol): Declare.
9598 (mips_move_integer): Declare.
9599 * config/mips/mips.c (mips_split_p): Make global.
9600 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9601 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9602 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9603 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9604 (mips_offset_within_object_p): Handle block symbols.
9605 (mips_atomic_symbolic_constant_p): Delete.
9606 (mips_cannot_force_const_mem): Return false for constants that
9607 mips_legitimize_move can handle.
9608 (mips_use_blocks_for_constant_p): New function.
9609 (mips_split_symbol): Make global.
9610 (mips_move_integer): Likewise. Add a temporary register argument.
9611 (mips_legitimize_const_move): Use splittable_const_int_operand and
9612 splittable_symbolic_operand.
9613 (mips_use_anchors_for_symbol_p): New function.
9614 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9615 (mips_split_p): Declare.
9617 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9619 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9620 (mips*-*-linux*): Likewise.
9622 2006-03-16 Roger Sayle <roger@eyesopen.com>
9623 Daniel Speyer <dspeyer@wam.umd.edu>
9626 * tree-dump.c (dump_real): New function.
9627 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9628 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9629 (tree-dump.o): Add $(REAL_H) to the dependencies.
9631 2006-03-16 Roger Sayle <roger@eyesopen.com>
9634 * real.c (real_from_string): If the mantissa is zero, don't bother
9635 parsing the exponent as the result should always be zero.
9637 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9639 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9641 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9643 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9644 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9645 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9646 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9647 ia64_sched_finish_global): New static functions to implement
9648 hooks from gcc_target.sched.
9649 (spec_check_no, max_uid, pending_data_specs): New static variables.
9650 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9651 ia64_spec_check_src_p): New static functions.
9652 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9653 (TARGET_SCHED_ADJUST_COST): Removed.
9654 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9655 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9656 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9657 TARGET_SCHED_GEN_CHECK,
9658 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9659 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9660 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9661 Fixed to handle speculation checks.
9662 (rtx_needs_barrier): Fixed to handle speculative loads and
9664 (ia64_variable_issue): Added code to count speculative loads and their
9666 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9668 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9670 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9672 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9673 (ia64_reorg): Reset stops_p to NULL after it is freed.
9674 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9675 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9676 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9678 (data_speculative, control_speculative, check_load): New attributes.
9679 (mov<mode>_advanced, mov<mode>_speculative,
9680 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9681 zero_extend<mode>di2_speculative,
9682 zero_extend<mode>di2_speculative_advanced): New patterns for
9683 data and control speculative loads.
9684 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9686 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9687 New pattern for data and control speculation checks.
9688 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9689 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9690 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9691 Auxiliary definitions for the patterns.
9692 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9693 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9695 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9697 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9698 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9699 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9700 New resource constraints.
9701 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9703 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9704 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9705 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9706 msched-in-control-spec, msched-ldc, msched-control-ldc,
9707 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9708 msched-prefer-non-control-spec-insns,
9709 msched-count-spec-in-critical-path): New flags to tune speculative
9711 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9712 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9713 msched-in-control-spec, msched-ldc, msched-control-ldc,
9714 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9715 msched-prefer-non-control-spec-insns,
9716 msched-count-spec-in-critical-path): Document new flags.
9718 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9720 * target.h (struct spec_info_def): New opaque declaration.
9721 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9722 speculate_insn, needs_block_p, gen_check,
9723 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9724 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9725 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9726 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9727 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9728 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9730 (TARGET_SCHED): Use new macros.
9731 * rtl.h (copy_DEPS_LIST_list): New prototype.
9732 * sched-int.h (struct sched_info): Change signature of new_ready field,
9733 adjust all initializations. New fields: add_remove_insn,
9734 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9735 region_head_or_leaf_p.
9736 (struct spec_info_def): New structure declaration.
9737 (spec_info_t): New typedef.
9738 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9739 recovery_block, orig_pat.
9740 (glat_start, glat_end): New variables declaraions.
9741 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9743 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9744 DETACH_LIFE_INFO, USE_GLAT.
9745 (enum SPEC_SCHED_FLAGS): New enumeration.
9746 (NOTE_NOTE_BB_P): New macro.
9747 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9748 attach_life_info, debug_spec_status, check_reg_live): New functions.
9749 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9750 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9752 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9753 * ddg.c (get_block_head_tail): Adjust all uses.
9754 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9755 (sms_sched_info): Initialize new fields.
9756 (contributes_to_priority): Removed.
9757 * haifa-sched.c (params.h): New include.
9758 (get_block_head_tail): Adjust all uses.
9759 (ISSUE_POINTS): New macro.
9760 (glat_start, glat_end): New global variables.
9761 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9762 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9763 old_last_basic_block, before_recovery, current_sched_info_var,
9764 rgn_n_insns, luid): New static variables.
9765 (insn_cost1): New function. Move logic from insn_cost to here.
9766 (find_insn_reg_weight1): New function. Move logic from
9767 find_insn_reg_weight to here.
9768 (reemit_notes, move_insn, max_issue): Change signature.
9769 (move_insn1): Removed.
9770 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9771 extend_bb): New static functions to support extension of scheduler's
9773 (generate_recovery_code, process_insn_depend_be_in_spec,
9774 begin_speculative_block, add_to_speculative_block,
9775 init_before_recovery, create_recovery_block, create_check_block_twin,
9776 fix_recovery_deps): New static functions to support
9777 generation of recovery code.
9778 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9779 restore_bb_notes, move_block_after_check, move_succs): New static
9780 functions to support ebb scheduling.
9781 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9782 functions to support handling of register live information.
9783 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9784 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9785 add_jump_dependencies): New static functions.
9786 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9787 consistancy checking.
9788 (debug_spec_status): New function to call from debugger.
9789 (priority): Added code to handle speculation checks.
9790 (rank_for_schedule): Added code to distinguish speculative instructions.
9791 (schedule_insn): Added code to handle speculation checks.
9792 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9793 Fixed to handle ebbs.
9794 (move_insn): Added code to handle ebb scheduling.
9795 (max_issue): Added code to use ISSUE_POINTS of instructions.
9796 (choose_ready): Added code to choose between speculative and
9797 non-speculative instructions.
9798 (schedule_block): Added code to handle ebb scheduling and scheduling of
9799 speculative instructions.
9800 (sched_init): Initialize new variables.
9801 (sched_finish): Free new variables. Print statistics.
9802 (try_ready): Added code to handle speculative instructions.
9803 * lists.c (copy_DEPS_LIST_list): New function.
9804 * sched-deps.c (extend_dependency_caches): New function. Move logic
9805 from create_dependency_caches to here.
9806 (get_dep_weak, ds_merge): Make global.
9807 * genattr.c (main): Code to output prototype for
9808 dfa_clear_single_insn_cache.
9809 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9810 (output_dfa_clean_insn_cache_func): Code to output
9811 dfa_clear_single_insn_cache function.
9812 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9814 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9816 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9817 New static variables.
9818 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9819 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9821 (ebb_sched_info): Initialize new fields.
9822 (get_block_head_tail): Adjust all uses.
9823 (compute_jump_reg_dependencies): Fixed to use glat_start.
9824 (schedule_ebb): Code to remove unreachable last block.
9825 (schedule_ebbs): Added code to update register live information.
9826 * sched-rgn.c (region_sched_info): Initialize new fields.
9827 (get_block_head_tail): Adjust all uses.
9828 (last_was_jump): Removed. Adjust users.
9829 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9830 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9831 Implement new hooks.
9832 (check_dead_notes1): New static function.
9833 (struct region): New fields: dont_calc_deps, has_real_ebb.
9834 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9835 (BB_TO_BLOCK): Fixed to handle EBBs.
9836 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9837 (ebb_head): New static variable.
9838 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9839 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9841 (compute_dom_prob_ps): New assertion.
9842 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9843 global_live_at_start.
9844 (init_ready_list): New assertions.
9845 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9846 (new_ready): Add support for BEGIN_CONTROL speculation.
9847 (schedule_insns): Fixed code that updates register live information
9849 (schedule_region): Fixed to handle EBBs.
9850 (init_regions): Use extend_regions and check_dead_notes1.
9851 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9852 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9853 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9854 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9855 TARGET_SCHED_GEN_CHECK,
9856 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9857 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9858 * doc/invoke.texi (max-sched-insn-conflict-delay,
9859 sched-spec-prob-cutoff): Document.
9861 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9863 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
9864 inter_tick, queue_index.
9865 (struct sched_info): Change signature of init_ready_list field.
9866 Adjust all initializations.
9867 (RESOLVED_DEPS): New access macro.
9868 (ready_add): Remove prototype.
9869 (try_ready): Add prototype.
9870 * sched-rgn.c (init_ready_list): Use try_ready.
9871 (schedule_region): Initialize
9872 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
9873 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
9874 (init_ready_list): Use try_ready.
9875 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
9876 * lists.c (remove_list_elem): Remove `static'.
9877 (remove_free_INSN_LIST_elem): New function.
9878 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
9879 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
9880 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
9882 (readyp): New variable.
9883 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
9884 change_queue_index, resolve_dep): New static functions.
9885 (try_ready): New function. Adjust callers in sched-rgn.c and
9886 sched-ebb.c to use it instead of ready_add.
9887 (clock_var): Move at the begining of file.
9888 (rank_for_schedule): Fix typo.
9889 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9890 (ready_lastpos): Enforce assertion.
9891 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9893 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9894 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9895 (queue_to_ready): Use free_INSN_LIST_list.
9896 (early_queue_to_ready): Fix typo.
9897 (schedule_block): Init readyp. Move init_ready_list call after the
9898 initialization of clock_var. Fix error in rejecting insn by
9899 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9900 that previously corrected INSN_TICKs. Add code for handling
9902 (set_priorities): Fix typo.
9903 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9904 Clarify comment and code that keeps current_sched_info->next_tail
9907 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9909 * sched-rgn.c (extend_rgns): New static function.
9910 (find_rgns): Use it.
9911 (gather_region_statistics, print_region_statistics): New static
9913 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9914 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9916 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9917 Andrey Belevantsev <abel@ispras.ru>
9919 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9920 * lists.c (unused_deps_list): New variable.
9921 (free_list): Add assertions to verify the proper distinguishing
9922 between INSN_LISTs and DEPS_LISTs.
9923 (find_list_elem, remove_list_elem, remove_list_node): New static
9925 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9926 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9927 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9928 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9930 (free_INSN_LIST_node): Likewise.
9931 * modulo-sched.c (current_sched_info): Initialize flags field.
9932 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9933 * rtl.def (DEPS_LIST): Define.
9934 * rtl.h: Declare new functions from lists.c.
9935 * sched-deps.c (spec_dependency_cache): New static variable.
9936 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
9937 (add_dependence): Change return type to void. Move the logic to ...
9938 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9939 (delete_all_dependences): Add comment about forward_dependency_cache.
9940 Handle spec_dependency_cache. Handle DEPS_LISTs.
9941 (fixup_sched_groups): Clarify the change of priority of output
9942 and anti dependencies.
9943 (sched_analyze_2): Adjust add_dependence calls to create data
9944 speculative dependence.
9945 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
9946 Adjust all callers. Handle DEPS_LISTS.
9947 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
9948 presence of speculation.
9949 (init_dependency_caches, free_dependency_caches):
9950 Handle spec_dependency_cache.
9951 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
9952 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
9953 New static functions.
9954 (add_or_update_back_dep, add_or_update_back_forw_dep,
9955 add_back_forw_dep, delete_back_forw_dep): New functions.
9956 * sched-int.h (ds_t, dw_t): New typedefs.
9957 (struct sched_info): Add new field flags.
9958 (struct haifa_insn_data): Add new bitfield has_internal_dep.
9959 Prototype new sched-deps.c functions.
9960 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
9961 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
9962 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
9963 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
9964 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
9965 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
9967 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
9969 * sched-rgn.c (current_sched_info): Initialize flags field.
9970 (schedule_insns): Initialize current_sched_info before the sched_init
9972 * sched-ebb.c (current_sched_info): Initialize flags field.
9973 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
9974 Call add_or_update_back_dep instead of add_dependence.
9975 Create control speculative dependencies.
9976 (schedule_insns): Initialize current_sched_info before the sched_init
9979 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
9981 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
9983 (sh_fallback_frame_state): Likewise.
9985 2006-03-15 Geoffrey Keating <geoffk@apple.com>
9987 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
9988 Do switch on default_use_cxa_atexit.
9989 (powerpc*-*-darwin*): Build crt2.o on powerpc.
9990 * config/darwin-crt3.o: New.
9991 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
9992 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
9993 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
9995 * config/rs6000/t-darwin: Move crt2.o building to here.
9996 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
9997 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
10000 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10002 * config/vax/vax.c (nonindexed_address_p): Change logical negation
10003 from '! xxx' to '!xxx' for coding-style conformance.
10004 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10005 (EXTRA_CONSTRAINT): Likewise.
10006 * config/vax/vax.md (four unnamed insns): Likewise.
10008 2006-03-15 Paul Brook <paul@codesourcery.com>
10010 * config/arm/arm.c (minipool_pad): New.
10011 (add_minipool_forward_ref): Include pool alignment padding in address
10013 (push_minipool_fix): Set minipool_pad.
10014 (minipool_pad): Ditto.
10016 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10018 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
10019 instead of GET_CODE() == MEM and REG_P() instead of
10021 (print_operand_address): Likewise.
10022 (vax_address_cost): Likewise.
10023 (vax_rtx_costs): Likewise.
10024 (vax_notice_update_cc): Likewise.
10025 (vax_output_int_add): Likewise.
10026 (INDEX_REGISTER_P): Likewise.
10027 (BASE_REGISTER_P): Likewise.
10028 (nonindexed_address_p): Likewise.
10029 (vax_mode_dependent_address_p): Likewise.
10030 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
10031 (PRINT_OPERAND): Likewise.
10032 * config/vax/vax.md (ashlsi3): Likewise.
10033 (ashlsi3): Likewise.
10034 (some more unnamed insns): Likewise.
10036 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
10038 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
10039 iterator-style macro.
10040 (mark_control_dependent_edges_necessary): Update the use of
10041 EXECUTE_IF_CONTROL_DEPENDENT.
10043 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
10045 * config/sh/predicates.md (cache_address_operand): Special.
10046 (ua_address_operand): Likewise.
10048 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10050 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10052 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10054 2006-03-15 Andreas Schwab <schwab@suse.de>
10056 * gensupport.c (identify_predicable_attribute): Don't free p_false
10057 when it is still in use.
10059 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
10061 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10062 the default setting here.
10064 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
10066 * tree-pass.h (pass_cfg): Remove.
10067 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10068 * passes.c (pass_cfg): Don't run it.
10070 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
10072 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10073 * reg-stack.c (stack_regs_mentioned_data): Change the type to
10075 (stack_regs_mentioned): Update the uses of
10076 stack_regs_mentioned_data. Don't access the array beyond its
10078 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10079 Don't include gt-reg-stack.h.
10081 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
10082 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10084 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10086 PR middle-end/26684
10087 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10090 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10092 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10094 2006-03-14 Richard Guenther <rguenther@suse.de>
10096 PR tree-optimization/26672
10097 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10100 2006-03-14 Richard Guenther <rguenther@suse.de>
10102 PR tree-optimization/26667
10103 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10104 node for the callees. Always allow inlining if it will shrink
10107 2006-03-14 Richard Guenther <rguenther@suse.de>
10109 PR middle-end/26659
10110 * builtins.c (get_pointer_alignment): Prefer alignment
10111 information from decls over that from types.
10113 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
10116 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10118 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
10120 * config/rs6000/rs6000.opt (mdlmzb): New option.
10121 (msched-prolog, msched-epilog): Use Var not Mask.
10122 * doc/invoke.texi (-mdlmzb): Document.
10123 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10125 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10126 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10128 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
10130 PR rtl-optimization/25739
10131 * bt-load.c (augment_live_range): Free tos pointer.
10133 * gensupport.c (identify_predicable_attribute): Free
10135 * gcov.c (create_file_names): Free name pointer.
10137 2006-03-13 Roger Sayle <roger@eyesopen.com>
10139 PR middle-end/26557
10140 * stmt.c (emit_case_nodes): Handle the case where the index is a
10141 CONST_INT, where the comparison mode is specified by the index type.
10143 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10145 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10148 2006-03-13 Richard Sandiford <richard@codesourcery.com>
10150 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10151 (*branch_fp_inverted): Likewise.
10153 2006-03-13 Jakub Jelinek <jakub@redhat.com>
10155 PR middle-end/25989
10156 * omp-low.c (expand_omp_for_generic): Mark istart0
10157 and iend0 as addressable.
10159 2006-03-13 Jie Zhang <jie.zhang@analog.com>
10161 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10163 2006-03-13 Jeff Law <law@redhat.com>
10165 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10166 virtual operands are interesting.
10167 (vrp_visit_stmt): Corresponding changes.
10169 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
10171 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10173 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10174 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10175 * config/bfin/crti.S: Use it instead of __PIC__.
10176 * config/bfin/crtn.S: Likewise.
10178 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10179 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10181 Lose 'G' modifier for call operand.
10182 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10183 recognize 'G' modifier.
10185 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10187 PR middle-end/18859
10188 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10189 * stmt.c (expand_case): Likewise.
10191 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10193 PR rtl-optimization/26254
10194 * loop-invariant.c (seq_insns_valid_p): New function.
10195 (move_invariant_reg): Only emit new code if it is valid.
10197 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10199 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10201 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10202 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10203 (commit_one_edge_insertion): Do not look for loop notes.
10205 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10207 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10208 flag_test_coverage out of loop.
10210 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10212 * final.c (shorten_branches): Remove outdated comment, and turn
10213 the if branch that guards it to continue.
10215 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10217 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10218 * cfgloop.h (struct loop): Remove unused fields.
10220 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10222 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10223 (-dL, -fdump-rtl-loop2): Update the dump file names
10225 * doc/invoke.texi: Update dump file names.
10227 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10229 * predict.c (estimate_probability): Remove.
10230 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10231 * basic-block.h (estimate_probability): Remove prototype.
10232 * passes.c (finish_optimization_passes): Dump branch prediction or
10233 profiling heuristics to the .profile tree dump.
10234 (init_optimization_passes): Unqueue pass_branch_prob.
10236 * doc/invoke.texi (-fdump-rtl-bp): Remove.
10238 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10240 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10241 * rtl.h (LABEL_NEXTREF): Remove field accessor.
10243 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
10245 * function.h (frame_offset_overflow): Declare.
10246 * function.c (frame_offset_overflow): New function.
10247 (assign_stack_local_1): Call it to detect that the offset overflows.
10248 * cfgexpand.c (alloc_stack_frame_space): Likewise.
10250 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10252 * config/sh/sh.c: Include alloc-pool.h.
10253 (label_ref_list_pool): New alloc pool.
10254 (label_ref_list_t): New type for lists of labels.
10255 (struct pool_node): Make wend a label_ref_list_t.
10256 (add_constant): Use the new type, eradicate LABEL_NEXTREF
10258 (dump_table): Likewise.
10259 (sh_reorg): Set up the alloc pool before using add_constant and
10260 dump_table, and destroy it when finishing.
10262 2006-03-11 Richard Sandiford <richard@codesourcery.com>
10264 * config/mips/mips.c: Remove redundant comment.
10266 2006-03-10 Jason Merrill <jason@redhat.com>
10269 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10270 the target was declared 'register'.
10272 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
10274 * genpreds.c (write_insn_constraint_len): Change definition of
10275 insn_constraint_len to return size_t to match the declaration.
10277 2006-03-10 DJ Delorie <dj@redhat.com>
10279 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10281 (m32c_expand_insv): Fix test for an AND mask.
10283 2006-03-10 Richard Guenther <rguenther@suse.de>
10285 PR middle-end/26565
10286 * builtins.c (get_pointer_alignment): Handle component
10287 references for field alignment.
10289 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10291 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10292 when building with libgloss.
10293 (sh*elf): Implement --without-fp option.
10294 (sh64-superh-linux*): Don't multilib.
10296 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10298 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10300 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10302 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10303 Set it when one of the replacement functions returned true.
10304 Return TODO_cleanup_cfg if cfgchanged is true.
10305 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10307 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10309 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10310 instead of gen_lowpart.
10312 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10314 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10316 (mips_output_order_conditional_branch): Declare.
10317 * config/mips/mips.h (MIPS_BRANCH): New macro.
10318 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10319 for the comparison. Use gen_condjump.
10320 (mips_output_conditional_branch): Rework interface to take the
10321 asm templates for a direct branch and the inverse of a direct branch.
10322 (mips_output_order_conditional_branch): New function.
10323 (mips_builtin_branch_and_move): New function.
10324 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10325 branch condition. Use gen_single_cc as the condition for
10326 __builtin_mips_upper_* or __builtin_mips_lower_*.
10327 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10328 Use VOIDmode for the branch condition.
10329 * config/mips/predicates.md (order_operator): New predicate.
10330 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10331 (branch_fp): Rename to...
10332 (*branch_fp): ...this. Remove mode from comparison operator.
10333 Use new mips_output_conditional_branch interface.
10334 (branch_fp_inverted): Rename to...
10335 (*branch_fp_inverted): ...this and update as for *branch_fp.
10336 (*branch_zero<mode>): Rename to...
10337 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10338 Use mips_output_order_conditional_branch. Only accept ordered
10340 (*branch_zero<mode>_inverted): Rename to...
10341 (*branch_order<mode>_inverted): ...this and update as for
10342 *branch_order<mode>.
10343 (*branch_equality<mode>): Accept zero as the second operand to
10344 the equality operator. Use the new mips_output_conditional_branch
10346 (*branch_equality<mode>_inverted): Likewise.
10347 (condjump): New expander.
10348 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10350 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10351 (bc1any2t, bc1any2f): Likewise.
10352 (single_cc): New expander.
10353 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10355 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10357 * doc/md.texi: Update documentation of MIPS constraints.
10358 * config/mips/constraints.md: New file.
10359 * config/mips/mips.md: Include it.
10360 * config/mips/mips.c (mips_char_to_class): Delete.
10361 (override_options): Don't initialize mips_char_to_class.
10362 * config/mips/mips.h (mips_char_to_class): Delete.
10363 (REG_CLASS_FROM_LETTER): Delete.
10364 (CONST_OK_FOR_LETTER_P): Delete.
10365 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10366 (EXTRA_CONSTRAINT_Y): Delete.
10367 (EXTRA_CONSTRAINT_STR): Delete.
10368 (CONSTRAINT_LEN): Delete.
10369 (EXTRA_MEMORY_CONSTRAINT): Delete.
10371 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10373 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10374 original fn's eh regions.
10376 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10378 * fold-const.c (build_range_check): Make sure to use a valid type to
10379 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10382 (range_predecessor): New static function.
10383 (range_successor): Likewise.
10384 (merge_ranges): Use them to compute predecessors and successors of
10387 2006-03-09 Roger Sayle <roger@eyesopen.com>
10389 PR middle-end/26561
10390 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10391 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10393 2006-03-08 DJ Delorie <dj@redhat.com>
10395 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10396 (addpsi3): Expand to include memory operands. Remove
10397 reload-specific splits.
10398 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10399 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10400 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10401 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10402 (shift1_qi, shift1_hi, insv): New.
10403 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10404 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10405 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10407 * config/m32c/m32c-protos.h: Update as needed.
10408 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10409 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10410 Fail for unrecognized R* constraints.
10411 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10412 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10413 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10415 (m32c_init_libfuncs): New.
10416 (m32c_legitimate_address_p): Add debug wrapper.
10417 (m32c_rtx_costs): New.
10418 (m32c_address_cost): New.
10419 (conversions): Add 'B' prefix.
10420 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10421 operands, or word regnames for QI operands. 'B' prints bit
10423 (m32c_expand_setmemhi): New.
10424 (m32c_expand_movmemhi): New.
10425 (m32c_expand_movstr): New.
10426 (m32c_expand_cmpstr): New.
10427 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10428 (m32c_expand_neg_mulpsi3): Handle non-ints.
10429 (m32c_cmp_flg_0): New.
10430 (m32c_expand_movcc): New.
10431 (m32c_expand_insv): New.
10432 (m32c_scc_pattern): New.
10433 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10434 a0/a1 out of SIregs.
10435 (STORE_FLAG_VALUE): New.
10436 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10439 * config/m32c/mov.md: Make constraints more liberal.
10440 (zero_extendqihi2): Optimize r0/r1 case.
10441 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10442 * config/m32c/predicates.md (m32c_any_operand): New.
10443 (m32c_nonimmediate_operand): New.
10444 (m32c_hl_operand): New.
10445 (m32c_r3_operand): New.
10448 (memsym_operand): New.
10449 (memimmed_operand): New.
10450 (a_qi_operand): New.
10451 (m32c_eqne_operator): New.
10452 (m32c_1bit8_operand): New.
10453 (m32c_1bit16_operand): New.
10454 (m32c_1mask8_operand): New.
10455 (m32c_1mask16_operand): New.
10456 * config/m32c/blkmov.md: New file.
10457 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10459 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10461 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10462 unsigned to fix signed/unsigned comparison issue in
10463 DWARF2_FRAME_REG_OUT.
10464 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10465 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10467 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10468 of ptr into the ENABLE_CHECKING section.
10470 2006-03-08 Jeff Law <law@redhat.com>
10472 * tree-vrp.c (infer_value_range): Only count pointer uses
10473 and dereferences if -fdelete-null-pointer-checks is enabled.
10475 * tree-vrp.c (find_assert_locations): Infer value ranges for
10476 single use pointers, but do not create ASSERT_EXPRs for them.
10477 When a non-null range is inferred for a pointer, backwards
10478 propagate that range to other equivalent pointers through the
10481 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10484 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10485 language hook targets.
10486 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10487 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10488 if language hook targets were missing.
10490 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10492 * tree-ssa-opfinalize.h: Removed.
10493 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10495 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10496 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10497 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10498 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10499 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10500 finalize_ssa_v_must_def_ops): New.
10502 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10504 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10505 block as parameter.
10507 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10509 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10511 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10512 addresses with offsets; reorganize.
10514 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10515 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10516 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10518 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10521 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10523 2006-03-08 Ben Elliston <bje@au.ibm.com>
10525 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10527 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10530 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10533 2006-03-07 Richard Guenther <rguenther@suse.de>
10535 PR tree-optimization/26587
10536 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10538 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10540 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10542 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10544 * hooks.c (hook_bool_mode_rtx_true): New function.
10545 * hooks.h (hook_bool_mode_rtx_true): Declare.
10546 * toplev.c (compile_file): Call output_shared_constant_pool.
10547 * varasm.c (shared_constant_pool): New variable.
10548 (assemble_start_function, assemble_end_function): Remove arguments
10549 from call to output_constant_pool.
10550 (create_constant_pool): New function, split out from...
10551 (init_varasm_status): ...here.
10552 (force_const_mem): Choose between the shared and per-function constant
10553 pools. Set current_function_uses_const_pool when reusing old entries
10554 as well as when creating new ones.
10555 (mark_constant): Ignore data argument.
10556 (mark_constants): Remove pool argument.
10557 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10558 to decide whether the function uses a constant pool.
10559 (output_constant_pool_contents): New function, split out from...
10560 (output_constant_pool): ...here.
10561 (output_shared_constant_pool): New function.
10562 (init_varasm_once): Initialize shared_constant_pool.
10563 * output.h (output_constant_pool): Delete.
10564 (output_shared_constant_pool): Declare.
10565 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10566 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10568 2006-03-06 Nick Clifton <nickc@redhat.com>
10570 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10571 flag_strength_reduce.
10573 2006-03-06 Ben Elliston <bje@au.ibm.com>
10575 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10576 x86_64-*-linux* configurations.
10578 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10579 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10581 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10583 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10585 * basic-block.h: Remove the extern for
10586 rediscover_loops_after_threading.
10588 * cfgloop.c (cancel_loop): Make it static.
10589 * cfgloop.h: Remove the prototype for cancel_loop.
10591 * flow.c (recompute_reg_usage): Make it static.
10592 * rtl.h: Remove the prototype for recompute_reg_usage.
10594 * function.c (use_return_register): Make it static.
10595 * function.h: Remove the prototype.
10597 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10599 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10601 * recog.h: Remove the prototype for
10602 validate_change_maybe_volatile.
10604 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10606 * rtlanal.c (replace_reg): Remove.
10607 * rtl.h: Remove the prototype for replace_reg.
10609 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10611 * regclass.c (reg_scan_update): Remove.
10612 (reg_scan_mark_refs): Remove the last argument.
10613 * rtl.h: Remove the prototype for reg_scan_update.
10615 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10617 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10618 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10619 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10620 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10621 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10622 loop-invariant.c, omp-low.c, opts.c, passes.c,
10623 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10624 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10625 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10626 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10627 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10628 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10630 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10632 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10633 * dwarf2out.h: Remove the prototype for
10634 dwarf2out_add_library_unit_info.
10636 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10638 * tree.c (add_var_to_bind_expr): Remove.
10639 * tree.h: Remove the prototype for add_var_to_bind_expr.
10641 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10643 * regclass.c (n_non_fixed_regs): Remove.
10644 (init_reg_sets_1, globalize_reg): Remove all uses of
10646 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10648 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10650 * rtlanal.c (insns_safe_to_move_p): Remove.
10651 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10653 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10655 * expmed.c (expand_mult_add): Remove.
10656 * expr.h: Remove the prototype for expand_mult_add.
10658 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10660 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10661 and REG_SAVED_VAL_EXP constants.
10662 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10663 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10664 Handle regs stored by value.
10665 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10666 (execute_cfa_program): Handle DW_CFA_val_offset,
10667 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10668 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10669 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10670 (uw_install_context_1): Handle target regs stored by value.
10672 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10674 * tree-sra.c (tree_sra): Return todoflags;
10675 (generate_one_element): Set TODO_update_smt_usage if needed.
10676 (pass_sra): Remove TODO_update_smt_usage.
10677 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10679 (tree_ssa_forward_propagate_single_use_vars): Return
10680 TODO_update_smt_usage if we need to update SMT usage.
10681 (pass_forwprop): Remove TODO_update_smt_usage.
10683 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10685 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10686 (correct_use_link): Remove reference to get_stmt_operands.
10687 (update_stmt_operands): Likewise.
10688 (get_modify_expr_operands): New function factored out of
10689 parse_ssa_operands and get_expr_operands.
10690 Try to create V_MUST_DEFs for LHS by default.
10691 (get_expr_operands) <case MODIFY_EXPR>: Call
10692 get_modify_expr_operands.
10693 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10694 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10695 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10696 get_modify_expr_operands.
10698 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10700 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10701 * tree-flow.h: Remove the prototype for
10702 referenced_var_lookup_if_exists.
10704 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10706 PR rtl-optimization/26345
10708 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10710 2006-03-03 Roger Sayle <roger@eyesopen.com>
10712 PR tree-optimization/26524
10713 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10714 fold_convert to create a constant of the appropriate type.
10716 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10718 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10719 SYMBOL_REF_IN_BLOCK_P.
10720 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10721 of SYMBOL_FLAG_IN_BLOCK.
10722 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10723 instead of SYMBOL_REF_IN_BLOCK_P.
10724 * explow.c (use_anchored_address): Likewise.
10725 * rtl.c (rtx_size): Likewise.
10726 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10727 instead of SYMBOL_FLAG_IN_BLOCK.
10728 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10729 SYMBOL_REF_IN_BLOCK_P.
10730 (assemble_variable): Likewise.
10731 (output_constant_def_contents): Likewise.
10732 (output_constant_pool): Likewise.
10733 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10734 instead of SYMBOL_FLAG_IN_BLOCK.
10735 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10736 SYMBOL_REF_IN_BLOCK_P.
10737 (SYMBOL_REF_BLOCK): Likewise.
10738 (SYMBOL_REF_OFFSET): Likewise.
10739 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10740 SYMBOL_REF_IN_BLOCK_P.
10741 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10742 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10743 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10744 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10746 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10748 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10750 2006-03-02 Roger Sayle <roger@eyesopen.com>
10752 * simplify-rtx.c (simplify_unary_operation): When simplifying
10753 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10754 that we perform the right shift in the appropriate mode, and
10755 then extend or truncate the result to requested mode.
10757 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10759 * gengtype.c (main): Handle double_int type.
10760 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10761 * double-int.c: New file.
10762 * double-int.h: New file.
10763 * system.h: Include doubleint.h.
10764 * Makefile.in (SYSTEM_H): Include double-int.h.
10765 (double-int.o): Add.
10767 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10770 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10773 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10775 * tree-vrp.c (remove_range_assertions): Do not update statements
10778 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10780 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10782 * gcse.c (rest_of_handle_gcse): Ditto.
10783 * except.c (gate_handle_eh): Ditto.
10784 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10785 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10787 2006-03-02 Eric Christopher <echristo@apple.com>
10789 * config/i386/i386.c (machopic_output_stub): Add indirection to
10792 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10796 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10798 Sun Niagara specific optimizations.
10799 * config.gcc: Recognize niagara as target.
10800 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10801 (TARGET_CPU_niagara): Define.
10802 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10803 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10804 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10805 (ASM_CPU_SPEC): Likewise.
10806 (PROCESSOR_NIAGARA): New enum entry.
10807 (REGISTER_MOVE_COST): Handle Niagara.
10808 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10809 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10810 (sparc_override_options): Recognize "niagara", set appropriate
10811 default MASK_* values for it, and align functions to 32-bytes
10812 by default just like ULTRASPARC/ULTRASPARC3.
10813 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10814 (sparc64_initialize_trampoline): Likewise.
10815 (sparc_use_sched_lookahead): Use zero for niagara.
10816 (sparc_issue_rate): Use one for niagara.
10817 * config/sparc/niagara.md: New file.
10818 * config/sparc/sparc.md: Include it.
10819 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10820 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10821 when default cpu is niagara.
10822 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10823 (ASM_CPU_SPEC): Likewise.
10824 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10825 when default cpu is niagara.
10826 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10827 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10828 just like v9/ultrasparc/ultrasparc3.
10829 * doc/invoke.texi: Add documentation for "niagara" and improve
10830 existing documentation for ultrasparc variants.
10832 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10834 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10836 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10838 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10839 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10840 and say that only one is needed.
10841 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10842 * target.h (have_switchable_bss_sections): New hook.
10843 * explow.c (use_anchored_address): Check that the symbol is in a block.
10844 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10845 (bss_noswitch_section): New variables.
10846 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10847 (get_noswitch_section): New function.
10848 (get_block_for_section): Allow SECT to be null.
10849 (unlikely_text_section_p): Use SECTION_STYLE.
10850 (bss_initializer_p): New function.
10851 (get_variable_section): Move earlier in file. Take a new argument,
10852 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10853 Return one of the new *_sections in such cases.
10854 (get_block_for_decl): New function, extracting some logic from
10855 use_blocks_for_decl_p.
10856 (change_symbol_section): Remove in favor of...
10857 (change_symbol_block): ...this new function.
10858 (use_blocks_for_decl_p): Remove checks now performed by
10859 get_block_for_decl.
10860 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
10861 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
10862 (emit_local, emit_bss, emit_common): ...these new functions.
10863 Return true if the alignment was honored.
10864 (emit_tls_common): New function.
10865 (asm_emit_uninitialised): Delete.
10866 (assemble_variable_noswitch): New function, split out from...
10867 (assemble_variable): ...here. Don't make decisions about common
10868 variables here. Globalize all public decls that go into non-common
10869 sections. Check whether SYMBOL_REF_BLOCK is null.
10870 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
10871 (output_constant_pool): Likewise.
10872 (init_varasm_once): Initialize the new section variables.
10873 (have_global_bss_p): New function.
10874 (categorize_decl_for_section): Use bss_initializer_p.
10875 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
10876 (place_block_symbol): Assert that the symbol must be in a block.
10877 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
10878 (TARGET_INITIALIZER): Include it.
10879 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
10880 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
10881 (SECTION_MACH_DEP): Bump by two.
10882 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
10883 (unnamed_section): Mention SECTION_UNNAMED in comment.
10884 (named_section): Likewise SECTION_NAMED.
10885 (noswitch_section_callback): New type.
10886 (noswitch_section): New structure.
10887 (section): Add a noswitch_section alternative.
10888 (SECTION_STYLE): New macro.
10889 (tls_comm_section, comm_section, lcomm_section): Declare.
10890 (bss_noswitch_section, have_global_bss_p): Declare.
10891 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10892 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10894 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10895 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10898 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10900 * tree-vrp.c (execute_vrp): Return value.
10901 * regrename.c (rest_of_handle_regrename): Ditto.
10902 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10903 * tree-complex.c (tree_lower_complex): Ditto.
10904 (tree_lower_complex_O0): Ditto.
10905 * tracer.c (rest_of_handle_tracer): Ditto.
10906 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10907 * postreload.c (rest_of_handle_postreload): Ditto.
10908 * tree-tailcall.c (execute_tail_recursion): Ditto.
10909 (execute_tail_calls): Ditto.
10910 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10911 * tree.h (init_function_for_compilation): Ditto.
10912 * ipa-cp.c (ipcp_driver): Ditto.
10913 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10914 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10915 * final.c (compute_alignments): Ditto.
10916 (rest_of_handle_final): Ditto.
10917 (rest_of_handle_shorten_branches): Ditto.
10918 (rest_of_clean_state): Ditto.
10919 * omp-low.c (execute_expand_omp): Ditto.
10920 (execute_lower_omp): Ditto.
10921 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10922 * ipa-reference.c (static_execute): Ditto.
10923 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10924 * reorg.c (rest_of_handle_delay_slots): Ditto.
10925 (rest_of_handle_machine_reorg): Ditto.
10926 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10927 * flow.c (recompute_reg_usage): Ditto.
10928 (rest_of_handle_remove_death_notes): Ditto.
10929 (rest_of_handle_life): Ditto.
10930 (rest_of_handle_flow2): Ditto.
10931 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10932 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10933 (do_ssa_store_ccp): Ditto.
10934 (execute_fold_all_builtins): Ditto.
10935 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10936 * modulo-sched.c (rest_of_handle_sms): Ditto.
10937 * ipa-pure-const.c (static_execute): Ditto.
10938 * cse.c (rest_of_handle_cse): Ditto.
10939 (rest_of_handle_cse2): Ditto.
10940 * web.c (rest_of_handle_web): Ditto.
10941 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10942 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
10943 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
10944 * tree-nrv.c (tree_nrv): Ditto.
10945 (execute_return_slot_opt): Ditto.
10946 * tree-ssa-alias.c (compute_may_aliases): Ditto.
10947 (create_structure_vars): Ditto.
10948 * loop-init.c (rtl_loop_init): Ditto.
10949 (rtl_loop_done): Ditto.
10950 (rtl_move_loop_invariants): Ditto.
10951 (rtl_unswitch): Ditto.
10952 (rtl_unroll_and_peel_loops): Ditto.
10953 (rtl_doloop): Ditto.
10954 * gimple-low.c (lower_function_body): Ditto.
10955 (mark_used_blocks): Ditto.
10956 * tree-ssa-sink.c (execute_sink_code): Ditto.
10957 * ipa-inline.c (cgraph_decide_inlining): Ditto.
10958 (cgraph_early_inlining): Ditto.
10959 * global.c (rest_of_handle_global_alloc): Ditto.
10960 * jump.c (cleanup_barriers): Ditto.
10961 (purge_line_number_notes): Ditto.
10962 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
10963 (rest_of_handle_if_after_reload): Ditto.
10964 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
10965 (tree_ssa_loop_im): Ditto.
10966 (tree_ssa_loop_unswitch): Ditto.
10967 (tree_vectorize): Ditto.
10968 (tree_linear_transform): Ditto.
10969 (tree_ssa_loop_ivcanon): Ditto.
10970 (tree_ssa_empty_loop): Ditto.
10971 (tree_ssa_loop_bounds): Ditto.
10972 (tree_complete_unroll): Ditto.
10973 (tree_ssa_loop_prefetch): Ditto.
10974 (tree_ssa_loop_ivopts): Ditto.
10975 (tree_ssa_loop_done): Ditto.
10976 * predict.c (tree_estimate_probability): Ditto.
10977 * recog.c (split_all_insns_noflow): Ditto.
10978 (rest_of_handle_peephole2): Ditto.
10979 (rest_of_handle_split_all_insns): Ditto.
10980 * tree-eh.c (lower_eh_constructs): Ditto.
10981 * regmove.c (rest_of_handle_regmove): Ditto.
10982 (rest_of_handle_stack_adjustments): Ditto.
10983 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
10984 * function.c (instantiate_virtual_regs): Ditto.
10985 (init_function_for_compilation): Ditto.
10986 (rest_of_handle_check_leaf_regs): Ditto.
10987 * gcse.c (rest_of_handle_jump_bypass): Ditto.
10988 (rest_of_handle_gcse): Ditto.
10989 * ipa-type-escape.c (type_escape_execute): Ditto.
10990 * alias.c (rest_of_handle_cfg): Ditto.
10991 * tree-if-conv.c (main_tree_if_conversion): Ditto.
10992 * profile.c (rest_of_handle_branch_prob): Ditto.
10993 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
10994 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
10995 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
10996 * tree-dfa.c (find_referenced_vars): Ditto.
10997 * except.c (set_nothrow_function_flags): Ditto.
10998 (convert_to_eh_region_ranges): Ditto.
10999 (rest_of_handle_eh): Ditto.
11000 * emit-rtl.c (unshare_all_rtl): Ditto.
11001 (remove_unnecessary_notes): Ditto.
11002 * except.h (set_nothrow_function_flags): Ditto.
11003 (convert_to_eh_region_ranges): Ditto.
11004 * cfgexpand.c (tree_expand_cfg): Ditto.
11005 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11006 * tree-ssa-pre.c (do_pre): Ditto.
11007 (execute_fre): Ditto.
11008 * cfgcleanup.c (rest_of_handle_jump): Ditto.
11009 (rest_of_handle_jump2): Ditto.
11010 * tree-sra.c (tree_sra): Ditto.
11011 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
11012 (execute_mudflap_function_decls): Ditto.
11013 * tree-ssa-copy.c (do_copy_prop): Ditto.
11014 (do_store_copy_prop): Ditto.
11015 * ipa-prop.h (ipcp_driver): Ditto.
11016 * cfglayout.c (insn_locators_initialize): Ditto.
11017 * tree-ssa-forwprop.c
11018 (tree_ssa_forward_propagate_single_use_vars): Ditto.
11019 * cfglayout.h (insn_locators_initialize): Ditto.
11020 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
11021 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
11022 (execute_late_warn_uninitialized): Ditto.
11023 * rtl.h (cleanup_barriers): Ditto.
11024 (split_all_insns_noflow): Ditto.
11025 (purge_line_number_notes): Ditto.
11026 (unshare_all_rtl): Ditto.
11027 (remove_unnecessary_notes): Ditto.
11028 (recompute_reg_usage): Ditto.
11029 (variable_tracking_main): Ditto.
11030 * integrate.c (emit_initial_value_sets): Ditto.
11031 * integrate.h (emit_initial_value_sets): Ditto.
11032 * tree-optimize.c (execute_free_datastructures): Ditto
11033 (execute_free_cfg_annotations): Ditto.
11034 (execute_fixup_cfg): Ditto.
11035 (execute_cleanup_cfg_pre_ipa): Ditto.
11036 (execute_cleanup_cfg_post_optimizing): Ditto.
11037 (execute_init_datastructures): Ditto.
11038 * tree-object-size.c (compute_object_sizes): Ditto.
11039 * combine.c (rest_of_handle_combine): Ditto.
11040 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
11041 * bb-reorder.c (duplicate_computed_gotos): Ditto.
11042 (rest_of_handle_reorder_blocks): Ditto.
11043 (rest_of_handle_partition_blocks): Ditto.
11044 * var-tracking.c (variable_tracking_main): Ditto.
11045 * tree-profile.c (tree_profiling): Ditto.
11046 * tree-vect-generic.c (expand_vector_operations): Ditto.
11047 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
11048 * sched-rgn.c (rest_of_handle_sched): Ditto.
11049 (rest_of_handle_sched2): Ditto.
11050 * basic-block.h (free_bb_insn): Ditto.
11051 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
11052 * tree-cfg.c (execute_build_cfg): Ditto.
11053 (remove_useless_stmts): Ditto.
11054 (split_critical_edges): Ditto.
11055 (execute_warn_function_return): Ditto.
11056 (execute_warn_function_noreturn): Ditto.
11057 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11058 * cfgrtl.c (free_bb_for_insn): Ditto.
11059 * passes.c (execute_one_pass): Run additional
11060 todos returned by execute function.
11061 * tree-pass.h (struct tree_opt_pass): Make execute
11064 2006-03-02 Richard Guenther <rguenther@suse.de>
11066 * tree-ssa-alias.c (find_used_portions): Consider taking
11067 the address as making the variable not write-only.
11069 2006-03-02 Nick Clifton <nickc@redhat.com>
11071 * config.gcc (default_use_cxa_atexit): Extend the description of
11072 this configure variable. Set its default value to "yes" for
11073 Linux, NetBSD and ELF targets on the assumption that they will
11074 use C libraries with the __cxa_atexit function.
11076 2006-03-02 Ben Elliston <bje@au.ibm.com>
11078 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11079 parameter as unused to suppress a build warning.
11081 2006-03-02 Ben Elliston <bje@au.ibm.com>
11083 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11086 2006-03-01 Roger Sayle <roger@eyesopen.com>
11089 * gthr-posix.h (__gthrw2): Define to take three parameters, the
11090 declared name, the weak reference name, and the typeof name.
11091 (__gthrw): Avoid expanding the declared name suffix.
11092 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11094 2006-03-01 Jakub Jelinek <jakub@redhat.com>
11096 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11098 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11099 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11100 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11101 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11102 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11103 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11104 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11105 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11106 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11107 DW_DS_leading_separate, DW_DS_trailing_separate): New.
11108 (DW_END_default, DW_END_big, DW_END_little): New.
11109 (DW_END_lo_user, DW_END_hi_user): Define.
11110 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11111 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11112 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11115 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11117 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11119 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11121 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11123 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11125 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11126 to 'symbol_mem_tag'.
11128 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11131 2006-03-01 Roger Sayle <roger@eyesopen.com>
11133 * builtins.c (fold_builtin_copysign): Delete unreachable code.
11135 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11138 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11139 MACHO_DYNAMIC_NO_PIC_P.
11140 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11142 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11145 * config/darwin-protos.h (darwin_asm_output_anchor):
11147 * config/darwin-sections.def (cstring_section):
11148 Add SECTION_MERGE to the flags.
11149 (literal4_section): Likewise.
11150 (literal8_section): Likewise.
11151 (objc_selector_refs_section): Likewise.
11152 (objc_cls_refs_section): Likewise.
11153 * config/darwin.c (darwin_asm_output_anchor): New
11155 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11157 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
11159 Fix PR tree-optimization/26443
11160 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11161 to todo and PROP_tmt_usage to properties_destroyed.
11162 * tree-ssa-ccp.c (pass_ccp): Ditto.
11163 (pass_store_ccp): Ditto.
11164 * tree-ssa-dom.c (pass_dominator): Ditto.
11166 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11168 * tree-ssa-operands.c: Cleanup whitespace.
11169 (get_asm_expr_operands): Move before first invocation.
11170 (get_indirect_ref_operands): Likewise.
11171 (get_tmr_operands): Likewise.
11172 (get_call_expr_operands): Likewise.
11173 (append_def): Likewise.
11174 (append_use): Likewise.
11175 (append_v_may_def): Likewise.
11176 (append_v_must_def): Likewise.
11177 (add_call_clobber_ops): Likewise.
11178 (add_call_read_ops): Likewise.
11179 (add_stmt_operand): Likewise.
11180 (add_virtual_operand): Likewise.
11181 (build_ssa_operands): Likewise.
11183 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11185 PR middle-end/26022
11187 PR middle-end/24437
11188 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11189 with a call expr to ...
11190 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11192 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11194 * tree-vrp.c (extract_range_from_assert): Remove special
11195 handling for types with super-types.
11197 2006-03-01 Ben Elliston <bje@au.ibm.com>
11199 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11200 and powerpc64-*-linux* configurations.
11201 * config/t-dfprules: New file.
11203 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11204 Compile dfp-bit.c from the source directory using -DWIDTH and
11205 $DFP_CFLAGS to control the compilation of that file, rather than
11206 generating width-specific versions in the build directory.
11207 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11208 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11210 2006-02-28 Zack Weinberg <zackw@panix.com>
11212 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11215 2006-02-28 Eric Christopher <echristo@apple.com>
11217 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11218 Set up IN_LIBGCC definition of TARGET_64BIT.
11219 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11221 2006-02-28 Roger Sayle <roger@eyesopen.com>
11223 PR middle-end/14752
11224 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11225 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11226 cases via the construction of "expr != 0".
11228 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11230 * alias.c (alias_invariant, alias_invariant_size): Remove.
11231 (record_base_value): Remove.
11232 (memrefs_conflict_p): Don't look at alias_invariant.
11233 (end_alias_analysis): Don't free it.
11234 * alias.h (record_base_value): Remove prototype.
11236 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
11237 Adam Nemet <anemet@caviumnetworks.com>
11239 * rtl.h (truncated_to_mode): Declare it.
11240 (struct rtl_hooks): Add reg_truncated_to_mode hook.
11241 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11242 (RTL_HOOKS_INITIALIZER): Include it.
11243 * rtlhooks.c (reg_truncated_to_mode_general): New function.
11244 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11245 reg_truncated_to_mode.
11246 * rtlanal.c (truncated_to_mode): Define it.
11247 * simplify-rtx.c (simplify_unary_operation_1): Use it.
11249 2006-02-28 Jeff Law <law@redhat.com>
11251 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11252 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11253 the range allowed by TYPE_PRECISION.
11255 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11257 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11259 PR tree-optimization/26419
11260 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11263 2006-02-27 Zack Weinberg <zackw@panix.com>
11265 * doc/md.texi: Fix typo in previous change.
11267 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
11271 2006-02-27 Zack Weinberg <zackw@panix.com>
11273 * rtl.def (define_constraint, define_register_constraint)
11274 (define_memory_constraint, define_address_constraint): New MD forms.
11275 * gensupport.c (process_rtx): Put define_constraint etc on the
11277 * genpreds.c (process_define_predicate): Adjust comment. Validate
11278 the name, and call validate_exp to validate the expression.
11279 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11280 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11281 all callers changed.
11282 (validate_exp, needs_variable, struct constraint_data)
11283 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11284 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11285 (const_dbl_constraints, constraint_max_namelen)
11286 (have_register_constraints, have_memory_constraints)
11287 (have_address_constraints, have_address_constraints)
11288 (have_extra_constraints, have_const_int_constraints)
11289 (have_const_dbl_constraints, mangle, add_constraint)
11290 (process_define_constraint, process_define_register_constraint)
11291 (write_enum_constraint_num, write_lookup_constraint)
11292 (write_insn_constraint_len, write_regclass_for_constraint)
11293 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11294 (write_insn_extra_memory_constraint)
11295 (write_insn_extra_address_constraint)
11296 (write_satisfies_constraint_fns): New.
11297 (write_tm_preds_h): If we have new-style constraint definitions,
11298 prototype the functions generated from them, and define the
11299 old constraint interface (still used by generic code) in terms of
11301 (write_insn_preds_c): If we have new-style constraint definitions,
11302 generate all relevant functions from those definitions.
11303 (main): Handle define_constraint etc.
11304 * genoutput.c (struct constraint_data, indep_constraints)
11305 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11306 (mdep_constraint_len): New data structures and functions, defined
11307 #ifdef USE_MD_CONSTRAINTS.
11308 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11309 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11310 use new logic to validate operand constraints against constraint
11312 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11314 * defaults.h: If none of the old-style constraint macros are
11315 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11316 old-style macros; and poison REG_CLASS_FROM_LETTER,
11317 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11319 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11320 * doc/md.texi: Document new constraint-definition mechanism and the
11321 C interface it provides. Remove references to old mechanism
11322 elsewhere in the document.
11323 (Machine Constraints): Use pathnames relative to gcc directory,
11324 i.e. config/ARCH/FILE. Change i386 section to refer to
11325 config/i386/predicates.md; update that section to match docstrings.
11326 * doc/tm.texi: Move all documentation of the old constraint-
11327 definition macros to their own section, clearly mark as obsolete.
11329 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11330 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11332 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11333 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11334 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11335 constraint strings.
11336 (splits and peepholes): Use satisfies_constraint_*.
11337 * config/i386/i386.c (memory_address_length)
11338 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11340 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11342 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11343 scalar operation to be put back into the loop.
11345 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11348 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11349 (extract_cie_info): Handle S flag in augmentation string.
11350 (execute_cfa_program): If context->signal_frame, execute also
11351 fs->pc == context->ra instructions.
11352 (uw_frame_state_for): If context->signal_frame, don't subtract one
11353 from context->ra to find FDE.
11354 (uw_update_context_1): Set context->signal_frame to
11356 (_Unwind_GetIPInfo): New function.
11357 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11358 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11360 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11361 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11362 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11363 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11364 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11365 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11366 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11367 x86_64_fallback_frame_state): Set fs->signal_frame.
11368 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11369 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11370 (frob_update_context): Likewise. Workaround missing S flag in
11371 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11372 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11373 Remove the psw_addr + 1 hack.
11375 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11377 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11378 with aggregates here.
11379 (find_func_aliases): Remove code for &<aggregate> from here.
11381 2006-02-26 Roger Sayle <roger@eyesopen.com>
11383 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11384 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11385 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11386 as (X & C) ne/eq 0.
11388 2006-02-26 Roger Sayle <roger@eyesopen.com>
11390 PR middle-end/19983
11391 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11393 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11395 * opts.c (decode_options): Do not handle flag_strength_reduce.
11396 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11397 and OPT_fstrength_reduce.
11398 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11399 flag_prefetch_loop_arrays for being nonzero.
11400 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11402 (fprefetch-loop-arrays-rtl): Removed.
11403 (flag_prefetch_loop_arrays): Do not specify the value.
11405 * doc/passes.texi: Update documentation of loop optimizer
11407 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11408 -frerun-loop-opt): Remove.
11410 2006-02-26 Richard Guenther <rguenther@suse.de>
11412 PR tree-optimization/26421
11413 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11414 in function calls that are ADDR_EXPRs as using the whole structure.
11416 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11418 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11419 * tree-pass.h (pass_loop_optimize): Remove.
11420 * passes.c (pass_loop_optimize): Never run it.
11421 * toplev.c (backend_init): Don't call init_loop.
11422 * opts.c (flag_loop_optimize_set): Remove.
11423 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11424 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11425 the old RTL loop optimizer when profiling enabled.
11426 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11427 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11428 pre-headers for the sake of the old RTL loop optimizer.
11429 * Makefile.in: Remove all references to loop.o.
11431 * doc/invoke.texi: Remove all references to -floop-optimize
11432 and -frerun-loop-opt.
11434 2006-02-26 Zack Weinberg <zackw@panix.com>
11436 * doc/md.texi (Machine Constraints): Refer to all files with paths
11437 relative to gcc directory (i.e. config/CPU/file). Add missing
11438 @table @code ... @end table to M32C subsection.
11440 2006-02-26 Roger Sayle <roger@eyesopen.com>
11442 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11444 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11446 2006-02-26 Roger Sayle <roger@eyesopen.com>
11447 James A. Morrison <phython@gcc.gnu.org>
11449 PR middle-end/21137
11450 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11451 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11452 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11453 signedness of the shift operation.
11455 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11457 PR tree-optimization/26359
11458 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11460 2006-02-25 Roger Sayle <roger@eyesopen.com>
11462 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11463 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11464 as X == 0, and some symmetry related transformations.
11465 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11467 2006-02-25 Roger Sayle <roger@eyesopen.com>
11469 PR middle-end/23673
11470 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11471 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11472 symmetry related transformations. Fold (X^C1) == C2 as
11475 2006-02-25 Juergen Weigert <jw@suse.de>
11476 Richard Guenther <rguenther@suse.de>
11478 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11480 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11482 * combine.c (gen_lowpart_or_truncate): Call
11483 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11485 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11487 * doc/invoke.texi: Move -fopenmp description to "Options for
11489 Remove reference to -lgomp.
11491 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11493 * doc/install.texi: Require GNU tar version 1.14.
11495 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11497 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11498 * doc/invoke.texi (C++ Dialect Options): Document
11499 -fno-use-cxa-get-exception-ptr.
11500 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11501 * configure: Regenerate.
11502 * c.opt (fuse-cxa-get-exception-ptr): New.
11503 * c-opts.c (c_common_handle_option): Handle
11504 OPT_fuse_cxa_get_exception_ptr.
11505 * c-common.c (flag_use_cxa_atexit): Update documentation.
11506 (flag_use_cxa_get_exception_ptr): New.
11507 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11508 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11510 (C_COMMON_OVERRIDE_OPTIONS): New.
11512 2006-02-24 Roger Sayle <roger@eyesopen.com>
11514 PR middle-end/24952
11515 * combine.c (try_combine): Explicitly check whether GET_CODE is
11516 a SET or a CLOBBER, instead on checking that it isn't a USE.
11518 2006-02-24 Roger Sayle <roger@eyesopen.com>
11520 * fold-const.c (fold_comparison): New subroutine of fold_binary
11521 containing transformations common to both the equality and
11522 ordering relational operators, factored out of fold_binary.
11523 (fold_binary): Separate out the equality operators (EQ_EXPR
11524 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11525 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11526 transformations common to both.
11527 (fold_div_compare): Fix latent bugs in the previously unreachable
11528 LT_EXPR and GE_EXPR cases.
11530 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11532 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11533 decl libname for clog to __clog on AIX.
11535 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11537 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11540 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11541 output traceback table for thunks. Localise rs6000_stack_info call.
11543 2006-02-23 Roger Sayle <roger@eyesopen.com>
11544 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11546 * gthr-posix.h (__gthrw): Fix typo in comment.
11548 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11550 * doc/cpp.texi (Character sets): Document that we do support
11551 input files to be in any character set.
11553 2006-02-23 Jeff Law <law@redhat.com>
11555 * tree.h (PHI_ARG_NONZERO): Remove.
11556 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11557 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11558 node to the new node.
11560 PR tree-optimization/26425
11561 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11562 min/max, then assume its varying.
11564 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11566 PR rtl-optimization/26316
11567 * rtlanal.c (enum may_trap_p_flags): New.
11568 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11569 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11570 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11571 (may_trap_after_code_motion_p): New function.
11572 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11573 (find_invariant_insn): Use may_trap_after_code_motion_p.
11574 * rtl.h (may_trap_after_code_motion_p): Declare.
11576 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11578 * emit-rtl.c (immed_double_const): Cleanup.
11580 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11582 Fix PR tree-optimization/26376
11583 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11586 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11588 PR middle-end/26412
11589 * gimplify.c (omp_add_variable): Guard variable size decl test with
11590 DECL_SIZE (decl) check.
11592 2006-02-23 Richard Guenther <rguenther@suse.de>
11594 PR middle-end/26439
11595 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11596 like aggregate types.
11598 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11600 * configure.ac: Add --with{,out}-long-double-128 configure option.
11601 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11602 * configure: Rebuilt.
11603 * config.in: Rebuilt.
11604 * doc/install.texi (Options specification): Document
11605 --with-long-double-128.
11607 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11608 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11609 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11610 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11612 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11614 * config/s390/s390.c (override_options): Handle
11615 TARGET_DEFAULT_LONG_DOUBLE_128.
11617 * config/alpha/alpha.c (override_options): Handle
11618 TARGET_DEFAULT_LONG_DOUBLE_128.
11620 * config/sparc/sparc.c (sparc_override_options): Handle
11621 TARGET_DEFAULT_LONG_DOUBLE_128.
11623 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11625 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11626 (real-install-headers-tar, real-install-headers-cpio)
11627 (real-install-headers-cp): New targets.
11629 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11631 * tree.h (variable_section): Delete.
11632 * varasm.c (variable_section): Delete.
11634 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11636 * install.texi: Add notes on install.texi2html.
11637 (Building in parallel): Do not use footnotes.
11639 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11642 * doc/install.texi (Configuration): Document --disable-libgomp.
11644 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11646 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11648 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11650 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11651 (vec_extractv2df_0_sse): New.
11653 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11655 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11656 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11657 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11658 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11659 to the result of the expression.
11660 (def_cfa_1): Adjust.
11661 (frame_pointer_cfa_offset): Rename to...
11662 (frame_pointer_fb_offset): ... this. Adjust all uses.
11663 (convert_cfa_to_loc_list): Rename to...
11664 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11665 Pass it on to build_cfa_loc.
11666 (compute_frame_pointer_to_cfa_displacement): Rename to...
11667 (compute_frame_pointer_to_fb_displacement): ... this. New
11668 offset parameter. Use it in computation.
11669 (gen_subprogram_die): Compute cfa_fb_offset with the new
11670 macro, and use it to compute the fb loc list and the
11673 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11675 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11676 replaced with register_operand.
11677 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11678 non-DREG is expensive.
11679 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11680 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11683 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11685 * doc/install.texi2html: Use set -e.
11687 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11689 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11690 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11691 * doc/invoke.texi (-fshared-data): Delete.
11692 * common.opt (fshared-data): Delete.
11693 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11694 (assemble_static_space): Remove #if 0 code.
11695 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11696 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11697 * config/cris/cris.h: Remove FIXME.
11699 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11701 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11704 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11706 PR middle-end/26379
11707 * combine.c (simplify_shift_const_1): Disable nested shifts
11708 optimization for vector shifts.
11710 2006-02-20 Roger Sayle <roger@eyesopen.com>
11712 PR tree-optimization/26361
11713 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11714 of unsigned integer types.
11716 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11718 * tree-chrec.c (eq_evolutions_p): New.
11719 * tree-chrec.h (eq_evolutions_p): Declared.
11720 * tree-data-ref.c: Fix formatting.
11721 (datadep_stats, dependence_stats): New.
11723 (print_direction_vector): New.
11724 (dump_data_dependence_relation): Use print_direction_vector.
11725 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11726 (compute_subscript_distance): Static.
11727 (initialize_data_dependence_relation): Static. Get the number
11728 of loops surrounding the references from the callers, and initialize
11729 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11730 base_object_differ_p analyzers.
11731 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11732 compute_overlap_steps_for_affine_1_2,
11733 analyze_subscript_affine_affine): Count the classified dependences.
11734 Print a message when a test failed.
11735 (can_use_analyze_subscript_affine_affine): New.
11736 (analyze_siv_subscript): Compute the data dependences on symbolic
11737 scevs that verify can_use_analyze_subscript_affine_affine.
11738 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11739 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11740 Handle symbolic scevs.
11741 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11743 (subscript_dependence_tester): Moved...
11744 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11745 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11746 DDR_SIZE_VECT instead of getting it in parameter.
11747 (subscript_dependence_tester): ... here. Take as a parameter
11748 loop_nest_depth. Call build_classic_dist_vector and
11749 build_classic_dir_vector.
11750 (compute_affine_dependence): Update subscript_dependence_tester
11751 parameters. Update datadep_stats counters. Call
11752 compute_subscript_distance.
11753 (compute_self_dependence): Save the dist and dir vectors. Call
11754 compute_subscript_distance.
11755 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11756 (compute_all_dependences): Reorder parameters as they were before
11757 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11758 compute_subscript_distance. Update the use of
11759 compute_affine_dependence and initialize_data_dependence_relation.
11760 (find_data_references_in_loop): Handle COMPONENT_REF.
11761 (compute_data_dependences_for_loop): Initialize dependence_stats.
11762 Don't call build_classic_dist_vector and build_classic_dir_vector.
11763 Update the parameters of initialize_data_dependence_relation and
11764 compute_all_dependences. Print the statistics from datadep_stats.
11765 (analyze_all_data_dependences): Static. Not used until the pass for
11766 checking the data dependences is contributed.
11767 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11768 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11769 (initialize_data_dependence_relation, compute_affine_dependence,
11770 analyze_all_data_dependences, compute_subscript_distance): Removed.
11771 (print_direction_vector): New.
11772 * lambda.h (gcd): ... here.
11773 (lambda_vector_gcd): Moved here from gcd_vector.
11774 * lambda-code.c (gcd, gcd_vector): Removed.
11775 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11776 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11778 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11780 * ipa-type-escape.c: Tidy some comments and white space.
11781 * tree-ssa-operands.c: Likewise.
11783 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11786 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11787 (dump_decl_name): Do not walk the decl tree chains.
11788 * tree-pass.h (TDF_CHAIN): Remove.
11790 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11792 * Makefile.in (C): Remove
11794 (.PHONY): Remove C and PROTO
11796 2006-02-20 Roger Sayle <roger@eyesopen.com>
11798 PR middle-end/26236
11799 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11800 deprecated CHAR_TYPE tree code.
11802 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11804 * configure.ac (target_list): Add install-info, dvi, html.
11805 * configure: Regenerate.
11807 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11808 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11809 treelang/Make-lang.in: Do not use double-colon rules.
11811 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11813 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11814 (TMT_USED_ALONE): New macro.
11815 * tree-pass.h (PROP_tmt_usage): New property.
11816 (TODO_update_tmt_usage): New todo.
11817 * tree-ssa-alias.c (updating_used_alone): New variable.
11818 (recalculate_used_alone): New function.
11819 (compute_may_aliases): Set updating_used_alone, call
11820 recalculate_used_alone.
11821 * tree-sra.c (pass_sra): Note that this pass destroys
11822 PROP_tmt_usage, and add TODO_update_tmt_usage.
11823 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11824 * tree-flow.h (updating_used_alone): Prototype.
11825 (recalculate_used_alone): Ditto.
11826 * passes.c (execute_todo): Add code to set updating_used_alone,
11827 and call recalculate.
11828 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11829 for clobber if used alone, and add assert to verify used_alone
11832 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11834 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11835 for non tls symbols added.
11836 (legitimize_address): Do nothing for PLUS expressions if one of the
11837 addends is a tls symbol reference.
11839 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11843 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11845 * Makefile.in (BOOTSTRAPPING): New.
11846 (quickstrap): New definition if BOOTSTRAPPING=yes.
11848 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11849 * configure.ac: Substitute all_selected_languages with the languages
11850 that were configured. For all the other variables except
11851 lang_specs_files, include all the languages in the tree.
11852 * configure: Regenerate.
11854 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11855 if there is one. Run the commands to run fixincludes in the same
11858 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11859 * doc/install.texi: Document exact conventions for searching target tools.
11860 Document --with-build-time-tools. Document toplevel bootstrap. Document
11861 something more about building an Ada cross-compiler. Don't list GNU Make
11862 requirements which affect all platforms.
11864 2006-02-19 Roger Sayle <roger@eyesopen.com>
11866 PR middle-end/19543
11867 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
11868 only equivalent if the have both the same mode and precision.
11870 2006-02-20 Ben Elliston <bje@au.ibm.com>
11872 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
11874 2006-02-19 Roger Sayle <roger@eyesopen.com>
11875 Steven Bosscher <stevenb.gcc@gmail.com>
11877 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
11878 constant pool references to identify stack mode constants.
11879 * rtlanal.c (constant_pool_constant_p): New predicate to check
11880 whether operand is a floating point constant in the pool.
11881 * rtl.h (constant_pool_constant_p): Prototype here.
11882 * loop.c (scan_loop): Avoid hoisting constants from the constant
11883 pool on STACK_REGS targets.
11884 (load_mems): Likewise.
11885 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11886 loads into x87 registers expensive in terms of register pressure.
11888 2006-02-19 Roger Sayle <roger@eyesopen.com>
11890 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11891 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11893 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11895 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11896 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11898 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11900 * doc/invoke.texi: Document -fipa-pta.
11901 * common.opt: Add ipa-pta option.
11902 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11903 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11904 (do_ds_constraint): Ditto.
11905 (get_constraint_for): Only add to referenced_vars if
11906 referenced_vars exists.
11907 (insert_into_field_list): Rewrite to do this unsorted.
11908 (insert_into_field_list_sorted): Rename old insert_into_field_list
11910 (create_function_info_for): Use insert_into_field_list_sorted.
11911 (create_variable_info_for): Rewrite so it uses unsorted version,
11912 since the field list is sorted.
11913 (intra_create_variable_infos): Only add to referenced_vars if
11914 referenced_vars exists.
11915 (ipa_pta_execute): Init heapvars, and delete when done.
11916 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11918 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11920 * doc/install.texi: Add missing `@samp'.
11922 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11924 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11927 2006-02-18 Mark Wielaard <mark@klomp.org>
11929 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11930 who added new 4.1 features, bug fixes and integration support.
11932 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11935 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11936 MEM for ABI_V4 pic.
11938 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11940 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11941 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11942 (copy_insn_1): Likewise. Don't copy each field individually.
11944 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
11946 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
11947 * rtl.c (rtx_size): Rename variable to...
11948 (rtx_code_size): ...this.
11949 (rtx_size): New function.
11950 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
11951 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
11953 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
11954 * rtl.h (rtx_code_size): New variable.
11955 (rtx_size): Change from a variable to a function.
11956 (RTX_SIZE): Rename to...
11957 (RTX_CODE_SIZE): ...this.
11960 PR tree-optimization/17106
11961 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
11962 (Anchored Addresses): New section.
11963 * doc/invoke.texi (-fsection-anchors): Document.
11964 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
11965 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
11966 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
11967 * hooks.c (hook_bool_mode_rtx_false): New function.
11968 * hooks.h (hook_bool_mode_rtx_false): Declare.
11969 * gengtype.c (create_optional_field): New function.
11970 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
11971 SYMBOL_REF_IN_BLOCK_P is true.
11972 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
11973 (min_anchor_offset, max_anchor_offset): Likewise.
11974 (use_anchors_for_symbol_p): New hook.
11975 * toplev.c (compile_file): Call output_object_blocks.
11976 (target_supports_section_anchors_p): New function.
11977 (process_options): Check that -fsection-anchors is only used on
11978 targets that support it and when -funit-at-a-time is in effect.
11979 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
11980 if the decl doesn't have one.
11981 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
11982 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
11983 of force_const_mem through use_anchored_address.
11984 (expand_expr_constant): New function.
11985 (expand_expr_addr_expr_1): Call it. Use the same modifier when
11986 calling expand_expr for INDIRECT_REF.
11987 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
11988 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
11989 * expr.h (use_anchored_address): Declare.
11990 * loop-unroll.c: Don't declare rtx vectors here.
11991 * explow.c: Include output.h.
11992 (validize_mem): Call use_anchored_address.
11993 (use_anchored_address): New function.
11994 * common.opt (-fsection-anchors): New switch.
11995 * varasm.c (object_block_htab, anchor_labelno): New variables.
11996 (hash_section, object_block_entry_eq, object_block_entry_hash)
11997 (use_object_blocks_p, get_block_for_section, create_block_symbol)
11998 (use_blocks_for_decl_p, change_symbol_section): New functions.
11999 (get_variable_section): New function, split out from assemble_variable.
12000 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
12001 use_blocks_for_decl_p say so. Use change_symbol_section if the
12002 symbol has already been created.
12003 (assemble_variable_contents): New function, split out from...
12004 (assemble_variable): ...here. Don't output any code for
12005 block symbols; just pass them to place_block_symbol.
12006 Use get_variable_section and assemble_variable_contents.
12007 (get_constant_alignment, get_constant_section, get_constant_size): New
12008 functions, split from output_constant_def_contents.
12009 (build_constant_desc): Create a block symbol if use_object_blocks_p
12010 says so. Or into SYMBOL_REF_FLAGS.
12011 (assemble_constant_contents): New function, split from...
12012 (output_constant_def_contents): ...here. Don't output any code
12013 for block symbols; just pass them to place_section_symbol.
12014 Use get_constant_section and get_constant_alignment.
12015 (force_const_mem): Create a block symbol if use_object_blocks_p and
12016 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
12017 (output_constant_pool_1): Add an explicit alignment argument.
12018 Don't switch sections here.
12019 (output_constant_pool): Adjust call to output_constant_pool_1.
12020 Switch sections here instead. Don't output anything for block symbols;
12021 just pass them to place_block_symbol.
12022 (init_varasm_once): Initialize object_block_htab.
12023 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
12024 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
12025 (place_block_symbol, get_section_anchor, output_object_block)
12026 (output_object_block_htab, output_object_blocks): New functions.
12027 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
12028 (TARGET_ASM_OUT): Include it.
12029 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
12030 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
12031 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
12032 (TARGET_INITIALIZER): Include them.
12033 * rtl.c (rtl_check_failed_block_symbol): New function.
12034 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
12035 (block_symbol, object_block): New structures.
12036 (rtx_def): Add a block_symbol field to the union.
12037 (BLOCK_SYMBOL_CHECK): New macro.
12038 (rtl_check_failed_block_symbol): Declare.
12039 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
12040 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
12041 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
12042 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
12043 * output.h (output_section_symbols): Declare.
12044 (object_block): Name structure.
12045 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
12046 (default_use_anchors_for_symbol_p): Declare.
12047 * Makefile.in (RTL_BASE_H): Add vec.h.
12048 (explow.o): Depend on output.h.
12049 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
12050 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12051 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12052 (rs6000_use_blocks_for_constant_p): New function.
12054 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12056 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12058 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12061 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12064 2006-02-18 Diego Novillo <dnovillo@redhat.com>
12066 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12070 2006-02-18 Jakub Jelinek <jakub@redhat.com>
12072 PR middle-end/26334
12073 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12074 instead of DECL_REGISTER.
12076 2006-02-18 Olivier Hainque <hainque@adacore.com>
12079 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12081 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
12084 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12085 * opth-gen.awk: Handle Var and InverseMask together.
12086 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12087 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12088 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12089 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12091 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12092 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12093 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12094 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12095 LINUX_DYNAMIC_LINKER): Define.
12096 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12097 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12099 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12100 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12101 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12102 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12103 (TARGET_C99_FUNCTIONS): Don't define.
12104 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12105 GLIBC_DYNAMIC_LINKER.
12106 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12107 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12108 GLIBC_DYNAMIC_LINKER64): Define.
12109 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12110 LINUX_DYNAMIC_LINKER64.
12111 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12112 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12113 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12114 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12115 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12116 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12117 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12118 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12119 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12120 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12121 and LINUX_DYNAMIC_LINKER32.
12122 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12123 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12124 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12125 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12126 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12128 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12129 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12130 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12131 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12132 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12133 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12134 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12135 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12136 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12137 LINUX_DYNAMIC_LINKER): Define.
12138 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12139 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12140 GLIBC_DYNAMIC_LINKER64): Define.
12141 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12142 LINUX_DYNAMIC_LINKER64.
12143 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12144 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12145 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12146 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12147 LINUX_DYNAMIC_LINKER): Define.
12148 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12149 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12150 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12151 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12152 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12153 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12154 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12155 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12156 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12157 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12158 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12159 * doc/invoke.texi (-muclibc): Remove caveat about supported
12162 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12164 * doc/cpp.texi (__TIMESTAMP__): Document.
12166 2006-02-17 Roger Sayle <roger@eyesopen.com>
12168 PR middle-end/25600
12169 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12170 C is one less than the width of X (and related transformations).
12171 * simplify-rtx.c (simplify_unary_operation_1): Transform
12172 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12173 depending on STORE_FLAG_VALUE, were C is one less then the
12176 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12178 Fix PR tree-optimization/26341
12179 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12180 about NAME_MEMORY_TAG's.
12182 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12185 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12186 with hardware float support, and software float support. Add fcpy
12187 alternative to hardware patterns. Add alternatives to copy between
12188 general and floating-point registers to the 32-bit pattern.
12189 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12190 secondary reload to load a QI or HI mode constant into a floating
12192 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12193 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12195 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12198 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12200 (load_macho_picbase_di): Likewise.
12202 2006-02-16 Jeff Law <law@redhat.com>
12204 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12205 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12206 (ssa_name_nonzero_p): Likewise.
12207 (get_value_range): Return NULL if VRP is not running.
12208 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12209 VRP routines do not discover a range.
12210 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12211 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12212 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12213 (tree_expr_nonnegative_p): Similarly.
12214 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12215 (restore_nonzero_vars_to_original_value): Remove.
12216 (unsafe_associative_fp_binop): Remove.
12217 (tree_ssa_dominator_optimize): Remove initialization and
12218 finalization of nonzero_vars and nonzero_vars_stack.
12219 (dom_opt_initialize_block): No longer push marker on
12220 nonzero_vars_stack.
12221 (dom_opt_finalize_block): No longer call
12222 restore_nonzero_vars_to_original_value.
12223 (record_equivalences_from_phis): No longer look for
12224 nonzero PHI arguments.
12225 (cprop_into_successor_phis): No longer propagate nonzero
12226 property into PHI arguments. Lose unused argument. Caller
12228 (record_equivalences_from_stmt): No longer record nonzero
12229 values for SSA_NAMEs.
12230 (lookup_avail_expr): No longer use nonzero_vars.
12232 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12233 for sizetype when sizetype is unsigned.
12235 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
12237 PR rtl-optimization/25603
12238 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12239 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12240 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12241 with new meaning of SETS.
12243 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
12248 * config/linux.opt: New file.
12249 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12250 LINUX_DYNAMIC_LINKER): Define.
12251 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12252 * config.gcc (*-*-linux*): Define extra_options.
12253 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12254 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12255 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12256 GLIBC_DYNAMIC_LINKER.
12257 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12258 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12259 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12260 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12261 * doc/invoke.texi (GNU/Linux Options): New section.
12263 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
12265 * config/sparc/sparc.md (setjmp): Rewrite.
12266 (setjmp_32): Delete.
12267 (setjmp_64): Likewise.
12269 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
12271 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12274 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12276 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12279 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12281 PR rtl-optimization/26296
12282 * Makefile.in (loop-invariant.c): Add except.h dependency.
12283 * loop-invariant.c: Include except.h.
12284 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12286 2005-02-16 Paul Brook <paul@codesourcery.com>
12288 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12291 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12293 PR rtl-optimization/25636
12294 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12295 when deciding whether an insn is an initializing insn.
12297 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12299 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12300 (tree_code_size): Ditto.
12301 * tree.h (struct tree_memory_tag): Remove parent_var.
12302 (struct tree_struct_field_tag): New.
12305 (union tree_node): Add sft member.
12306 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12308 (create_sft): Add size and offset argument, set SFT_OFFSET and
12310 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12311 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12312 * tree-flow-inline.h (get_subvar_at): Update for
12313 SFT_OFFSET/SFT_SIZE.
12314 (var_can_have_subvars): Ditto.
12315 (overlap_subvar): Ditto.
12316 * print-tree.c (print_node): Print out interesting things for
12318 * tree-flow.h (struct subvar): Remove offset and size members.
12319 * tree-ssa-operands.c (get_expr_operands): Update for
12320 get_indirect_ref_operands changes.
12321 (get_indirect_ref_operands): Call add_virtual_operand instead of
12322 add_stmt_operand. Only recurse on base var if requested.
12323 (access_can_touch_variable): New function.
12324 (add_stmt_operand): Split virtual operand handling into ...
12325 (add_virtual_operand): Here. Add offset, size, and for_clobber
12326 arguments. Prune alias sets.
12327 (add_call_clobber_ops): Call add_virtual_operand.
12329 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12331 PR middle-end/26300
12332 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12334 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12335 than TREE_CODE as index into omp_clause_num_ops array.
12337 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12339 PR rtl-optimization/26184
12340 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12342 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12343 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12344 must_precede, must_follow and tobe_scheduled.
12347 * opts.c (common_handle_option): Free new_option pointer.
12348 * df-core.c (df_analyze): Free postorder pointer.
12350 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12352 * Makefile.in: Fix the examples about the use of stamps
12354 2006-02-15 Michael Matz <matz@suse.de>
12356 PR middle-end/22275
12358 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12359 influenced by maximum_field_alignment or DECL_PACKED.
12360 (update_alignment_for_field): Ditto.
12361 (place_field): Ditto.
12362 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12365 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12367 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12368 (debug_flow_info): Pass it.
12369 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12370 * bb-reorder.c (reorder_basic_blocks): Likewise.
12371 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12372 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12373 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12374 * gcse.c (gcse_main, bypass_jumps): Likewise.
12375 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12376 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12377 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12378 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12379 * rtl.h (dump_flow_info): Adjust prototype.
12380 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12381 * var-tracking.c (variable_tracking_main): Likewise.
12382 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12383 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12386 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12388 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12391 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12393 PR tree-optimization/26209
12394 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12395 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12397 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12399 2006-02-14 Roger Sayle <roger@eyesopen.com>
12401 PR middle-end/23670
12402 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12403 (X,Y) and the corresponding symmetry related transformations.
12404 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12405 (X,Y) and its symmetry related transformations.
12407 2006-02-14 Roger Sayle <roger@eyesopen.com>
12409 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12412 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12414 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12416 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12419 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12420 support COMDAT group.
12421 * configure: Regenerate.
12423 2006-02-14 Roger Sayle <roger@eyesopen.com>
12425 PR middle-end/26279
12426 PR middle-end/26280
12427 PR middle-end/26283
12428 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12430 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12432 Fix PR tree-optimization/26260
12434 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12436 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12437 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12438 * tree-ssa-structalias.c (create_variable_info_for): Use
12439 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12441 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12443 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12445 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12446 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12447 of the ending condition.
12448 * tree-ssa-loop-manip.c: Include params.h.
12449 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12450 tree_unroll_loop): New functions.
12451 * tree-pass.h (pass_loop_prefetch): Declare.
12452 * loop.c (rest_of_handle_loop_optimize): Test for
12453 -fprefetch-loop-arrays-rtl.
12454 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12455 * timevar.def (TV_TREE_PREFETCH): New timevar.
12456 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12457 pass_loop_prefetch): New.
12458 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12459 (cleanup_tree_cfg_loop): Call scev_reset.
12460 * common.opt (fprefetch-loop-arrays-rtl): Add.
12461 * tree-ssa-loop-prefetch.c: New file.
12462 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12463 (new_temp_expr_table): Initialize expr_vars.
12464 (free_temp_expr_table): Cleanup expr_vars.
12465 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12466 expressions from being merged into one.
12467 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12468 (struct tree_niter_desc): Add control, bound and cmp fields.
12469 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12471 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12472 (tree-cfgcleanup.o): Add SCEV_H dependency.
12473 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12474 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12476 2006-02-14 Richard Guenther <rguenther@suse.de>
12478 PR tree-optimization/26258
12479 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12480 in PHI argument processing.
12482 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12484 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12485 new expression in the requested machine mode.
12487 2006-02-13 Roger Sayle <roger@eyesopen.com>
12489 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12490 directly, instead let do_compare_rtx_and_jump handle this for us.
12491 * expr.c (expand_expr_real_1): Likewise.
12492 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12493 before do_jump_by_parts_greater.
12494 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12495 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12497 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12499 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12501 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12503 PR rtl-optimization/26235
12504 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12505 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12508 2006-02-13 Jeff Law <law@redhat.com>
12510 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12513 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12515 PR middle-end/26092
12516 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12517 twice if decl is a builtin. When trying again, call get_callee_fndecl
12518 first to verify it is still a builtin.
12520 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12522 * dwarf2out.c (base_type_die): Don't add AT_name here.
12523 (subrange_type_die): Don't add AT_name here.
12524 (modified_type_die): Rearrange code flow. Do add AT_name here.
12526 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12528 PR rtl-optimization/26247
12529 PR rtl-optimization/26248
12530 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12532 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12534 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12535 * config/fixtfdi.c: Likewise.
12536 * config/fixunstfdi.c: Likewise.
12537 * config/floatditf.c: Likewise.
12539 2006-02-13 Roger Sayle <roger@eyesopen.com>
12541 PR middle-end/24427
12542 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12543 into (X,C2) if C1 is a subset of the bits of C2. Transform
12544 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12546 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12548 2006-02-13 Josh Conner <jconner@apple.com>
12551 * varasm.c (function_section): Check for section name before
12552 calling select_section on targets that define
12553 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12554 unlikely_text_section instead of hot_function_section if
12555 first_function_block_is_cold.
12557 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12559 PR middle-end/25335
12560 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12562 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12564 PR rtl-optimization/26222
12565 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12566 after tree->rtl expansion.
12567 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12568 before passing it to emit_move_insn.
12570 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12572 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12574 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12575 Clarify documentation.
12576 * c-common.h (warn_write_strings): Remove.
12577 * c-common.c (warn_write_strings): Likewise.
12578 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12581 2006-02-12 Roger Sayle <roger@eyesopen.com>
12583 PR middle-end/25724
12584 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12585 (do_jump_parts_zero_rtx): New function renamed from
12586 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12587 (do_jump_parts_equality_rtx): New function split out from
12588 do_jump_parts_equality. Old implementation renamed as above.
12589 Call do_jump_parts_zero_rtx if either operand is zero.
12590 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12591 do all of the heavy lifting.
12592 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12593 calling either do_jump_by_parts_greater_rtx or
12594 do_jump_by_parts_equality_rtx.
12595 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12596 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12597 moved to do_compare_rtx_and_jump, call it directly.
12598 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12599 mode argument. Call do_compare_rtx_and_jump.
12600 (emit_case_nodes): Update calls to do_jump_if_equal.
12602 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12604 PR rtl-optimization/26225
12605 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12607 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12609 PR rtl-optimization/26232
12610 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12612 2006-02-11 Jason Merrill <jason@redhat.com>
12615 * tree-inline.c (declare_return_variable): Just don't use the
12616 modify target if it's a gimple complex reg and the return slot
12619 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12621 * doc/contrib.texi: Update my entry.
12623 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12625 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12627 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12629 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12632 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12634 * doc/invoke.texi (-floop-optimize2): Removed.
12635 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12636 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12637 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12638 * common.opt (floop-optimize2): Removed.
12639 (fmove-loop-invariants): Enabled by default.
12641 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12643 * tree-if-conv.c (combine_blocks): Free the result of
12644 get_loop_exit_edges.
12646 2006-02-10 Jeff Law <law@redhat.com>
12648 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12650 PR tree-optimization/26213
12651 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12652 loop trying to follow SSA_NAME_VALUE chains.
12654 2006-02-10 Richard Guenther <rguenther@suse.de>
12656 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12657 deal with structures that end in implicitly variable sized arrays.
12659 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12661 PR rtl-optimization/24762
12662 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12665 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12667 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12668 (struct ivopts_data): Add regs_used field.
12669 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12670 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12671 instead of loop_data->regs_used;
12672 (free_loop_data): Do not free aux fields for loops.
12673 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12674 and tree_ssa_iv_optimize_finalize.
12676 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12678 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12680 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12683 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12684 computing the effective result type.
12686 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12688 PR inline-asm/16194
12689 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12690 (tree_overlaps_hard_reg_set): Declare.
12691 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12692 type and signature to match function type expected by walk_tree.
12693 (tree_overlaps_hard_reg_set): New function.
12694 (decl_conflicts_with_clobbers_p): Rename to:
12695 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12696 Use tree_overlaps_hard_reg_set. Changed caller.
12697 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12698 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12699 * cris.c (cris_md_asm_clobbers): Likewise.
12701 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12703 * reload1.c (emit_input_reload_insns): Delete code that tries to
12704 inherit using find_equiv_reg.
12706 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12708 * c-common.h (flag_const_strings): Don't declare.
12709 * c-common.c (flag_const_strings): Remove.
12710 * c.opt (fconst_strings): Remove.
12711 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12712 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12713 (c_common_init_options): Don't set flag_const_strings.
12714 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12716 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12718 * arm.md (tlobits_cbranch): New pattern.
12719 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12720 testing a single bit.
12722 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12725 * tree-ssa-pre.c (create_component_ref_by_pieces):
12726 Handle RETURN_DECL like VAR_DECL.
12728 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12730 PR middle-end/26134
12731 * fold-const.c (fold_indirect_ref_1): Fold
12732 "*(foo *)&complexfoo" to "__real__ complexfoo"
12733 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12735 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12737 * tree-flow-inline.h (var_can_have_subvars):
12738 Volatile variables should not have subvariables.
12740 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12743 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12744 multiplying unsigned values.
12747 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12749 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12751 2006-02-08 Jason Merrill <jason@redhat.com>
12754 * tree.def: Elaborate on difference from MODIFY_EXPR.
12755 * doc/c-tree.texi (INIT_EXPR): Likewise.
12756 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12757 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12758 (gimplify_target_expr): Likewise.
12759 (gimplify_cond_expr): Remove target handling.
12760 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12761 (gimplify_expr): Clobber it here.
12762 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12763 Do return slot optimization if we have an INIT_EXPR.
12766 * tree-inline.c (declare_return_variable): Also clear
12767 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12770 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12772 PR middle-end/22439
12773 * gimplify.c (gimplify_one_sizepos): Fix typo.
12775 2006-02-08 Jeff Law <law@redhat.com>
12777 PR tree-optimization/21417
12778 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12779 across a backedge if the control statement at the end of the
12780 block is data dependent on other statements in the same block.
12781 (record_temporary_equivalences_from_stmts): Remove over-conservative
12782 test for threading across backedges.
12784 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12785 control statement, handle all three special cases in the same
12786 manner as they all have the same desired solution. No longer
12787 special case edge flag updating when the post dominator is
12790 2006-02-08 Roger Sayle <roger@eyesopen.com>
12792 * tree.def (CHAR_TYPE): Remove.
12793 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12794 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12795 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12796 (gen_string_type_die): Delete unreachable function.
12798 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12799 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12800 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12801 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12802 * builtins.c (type_to_class): Likewise.
12803 * fold-const.c (fold_convert, build_range_check,
12804 merge_ranges): Likewise.
12805 * expr.c (count_type_elements): Likewise.
12806 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12807 * stor-layout.c (layout_type): Likewise.
12808 * ipa-type-escape.c (type_to_consider): Likewise.
12809 * gimplify.c (omp_firstprivatize_type_sizes,
12810 gimplify_type_sizes): Likewise.
12811 * explow.c (promote_mode): Likewise.
12812 * tree-sra.c (is_sra_scalar_type): Likewise.
12813 * varasm.c (output_constant): Likewise.
12814 * tree-inline.c (remap_type_1): Likewise.
12815 * convert.c (convert_to_pointer, convert_to_real,
12816 convert_to_integer, convert_to_complex): Likewise.
12818 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12820 * df-scan.c (df_def_record_1): A set destination may
12821 be a parallel regardless of mode.
12823 2006-02-08 Roger Sayle <roger@eyesopen.com>
12826 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12827 * config/mips/_tilib.c: Remove.
12828 * config/fixtfdi.c: New libgcc source file.
12829 * config/fixunstfdi.c: New source file.
12830 * config/floatditf.c: New source file.
12831 * config/floatunditf.c: New souce file.
12832 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12833 files above instead of config/mips/_tilib.c.
12834 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12836 2006-02-08 Jeff Law <law@redhat.com>
12838 PR tree-optimization/26169
12839 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12842 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12844 * df.h (DF_REG_SIZE): Return the length of the initialized
12847 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12849 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12850 __muldf3): Return a correctly signed zero.
12852 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12854 * passes.c (register_one_dump_file): Accept the current properties
12855 instead of pass number. Adjust call to dump_register. Remove
12857 (register_dump_files): Now a wrapper around...
12858 (register_dump_files_1): ... this one. Do not modify the pass
12860 (next_pass_1): Cosmetic fix.
12861 (execute_todo): Keep second parameter only. Use curr_properties
12862 instead of fetching it from the pass structure. Check and set
12864 (execute_one_pass): Handle TODO_set_props. Use curr_properties
12865 instead of fetching it from the pass structure. Fix calls to
12866 execute_todo. Update curr_properties and initialize .vcg RTL dump
12867 after running the pass. Reset last_verified.
12868 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
12870 (FIRST_AUTO_NUMBERED_DUMP): New.
12871 (dump_register): Remove "num" parameter, assign it within the
12873 (get_dump_file_name): Modify template for dumps.
12874 * tree-dump.h (dump_register): Adjust prototype.
12875 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
12876 (PROP_trees): Add PROP_gimple_lomp.
12877 (TODO_set_props): New.
12878 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
12879 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
12880 * cfgexpand.c (pass_expand): Destroy PROP_trees.
12882 2006-02-08 Jakub Jelinek <jakub@redhat.com>
12884 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
12885 (sparc64-*-linux*): Likewise.
12886 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12887 * config/sparc/t-linux: New file.
12888 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12889 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12890 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12891 -m32 -mlong-double-128.
12893 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12894 * config/alpha/t-linux: New file.
12895 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12897 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12898 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12899 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12900 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12901 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12902 (CPP_ARCH32_SPEC): Remove.
12904 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12906 PR tree-optimization/26145
12907 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12910 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12913 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12914 >= 240000 when generating code for SOM runtime.
12915 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12916 to $$dyncall when generating code for SOM runtime..
12918 2006-02-07 Dirk Mueller <dmueller@suse.com>
12921 * doc/invoke.texi (-Wsequence-point): Update documentation
12922 that -Wsequence-point is implemented for C++ as well.
12924 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12926 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12927 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12928 (LIB_SPEC): Likewise.
12929 * doc/invoke.texi (SPARC options): Document -pthread.
12931 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12933 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12936 2006-02-07 Roger Sayle <roger@eyesopen.com>
12938 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12939 Correct comment describing BOOLEAN_TYPE.
12941 2006-02-07 Dirk Mueller <dmueller@suse.com>
12943 * c.opt: C++ frontend supports -Wdiv-by-zero.
12944 * c-opts.c (c_common_handle_option): Remove dead case.
12946 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12948 * configure.ac (TLS assembler check): Do not enable TLS by
12949 default on SPARC/Solaris before version 10.
12950 * configure: Regenerate.
12952 2006-02-07 David Edelsohn <edelsohn@gnu.org>
12954 * doc/invoke.texi (xl-compat): Document conversion and support
12957 2006-02-07 Jeff Law <law@redhat.com>
12959 * tree-vrp.c (find_conditional_asserts): Update comments.
12960 (simplify_stmt_for_jump_threading): New.
12961 (identify_jump_threads, finalize_jump_threads): New.
12962 (vrp_finalize): Call identify_jump_threads.
12963 (execute_vrp): Call finalize_jump_threads.
12964 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
12965 (vrp_element, vrp_data, vrp_element_p): Remove.
12966 (vrp_hash_elt, vrp_variables_stack): Remove.
12967 (vrp_hash, vrp_eq, record_range): Remove.
12968 (simplify_cond_and_lookup_avail_expr): Remove.
12969 (extract_range_from_cond): Remove.
12970 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
12971 (simplify_stmt_for_jump_threading): New.
12972 (dom_thread_across_edge): New wrapper.
12973 (tree_ssa_dominator_optimize): No longer initialize or
12974 finalize any of the VRP datastructures. Remove iteration
12975 step and simplify as a result of removal of iteration step.
12976 (pass_dominator): Perform a cfg cleanup after DOM.
12977 (dom_opt_finalize_block): Use the new common routines
12978 for threading jumps. Simplify stack management slightly.
12979 No longer need to unwind VRP state.
12980 (record_equivalences_from_incoming_edge): No longer record
12982 (eliminate_redundant_computations): No longer call
12983 simplify_cond_and_lookup_avail_expr.
12984 * tree-flow.h (potentially_threadable_block): Prototype.
12985 (thread_across_edge): Likewise.
12986 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
12987 (tree-ssa-threadedge.o): Add dependencies.
12988 * tree-ssa-threadedge.c: New file.
12989 * passes.c (init_optimization_passes): Merge PHIs before
12990 calling VRP. Run VRP again late in the SSA optimization pipeline.
12992 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12994 * df-core.c (df_set_blocks): Do not dereference function pointers.
12995 (df_finish1): Likewise.
12996 (df_hybrid_search_forward): Likewise.
12997 (df_hybrid_search_backward): Likewise.
12998 (df_iterative_dataflow): Likewise.
12999 (df_analyze_problem): Likewise.
13000 (df_compact_blocks): Likewise.
13001 (df_dump): Likewise.
13002 * df-scan.c (df_rescan_blocks): Likewise.
13003 (df_record_entry_block_defs): Likewise.
13005 * genconditions.c (write_conditions): Guard the definition of
13006 'insn_conditions' with the check on GCC version.
13007 (write_writer): Guard the traversal 'insn_conditions' with
13008 the check on GCC version.
13010 2006-02-07 Richard Guenther <rguenther@suse.de>
13014 2006-01-30 Richard Guenther <rguenther@suse.de>
13016 * gimplify.c (gimplify_target_expr): Handle easy cases
13017 without creating a temporary.
13019 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
13021 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
13022 use of float in probability computations. Use edge probabilities
13023 in place of statically computed probabilities.
13024 (min_spec_prob): New static variable.
13025 (schedule_insns): Initialize it.
13026 (GET_SRC_PROB): Removed.
13027 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
13029 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
13032 * config/ia64/unwind-ia64.c: Revert last change.
13033 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
13034 (INCOMING_FRAME_SP_OFFSET): Define.
13036 2006-02-06 Roger Sayle <roger@eyesopen.com>
13038 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
13040 2006-02-07 Ben Elliston <bje@au.ibm.com>
13042 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
13043 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
13044 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
13045 (ix86_return_in_memory): Handle TDmode.
13046 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
13047 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
13049 2006-02-06 Richard Sandiford <richard@codesourcery.com>
13051 * reorg.c (dbr_schedule): Use dump_file instead of file.
13053 2006-02-06 Steve Ellcey <sje@cup.hp.com>
13056 * config/ia64/predicates.md (extr_len_operand): New predicate.
13057 * config/ia64/ia64.md (extv): Tighten constraints.
13059 (*tbit_and_2): Ditto.
13060 (*tbit_and_3): Ditto.
13061 (*tbit_or_2): Ditto.
13062 (*tbit_or_3): Ditto.
13063 (*bit_zero): Ditto.
13066 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
13069 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13071 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13073 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13074 loop_optimizer_init and loop_optimizer_finalize
13075 * tree-ssa-sink.c (execute_sink_code): Ditto.
13076 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13077 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
13078 tree_ssa_loop_done): Ditto.
13079 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13080 * sched-ebb.c: Include output.h.
13081 (schedule_ebbs): Do not use dump argument.
13082 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
13083 * loop.c (loop_dump_stream): Removed.
13084 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13086 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13087 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13088 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13089 loop_iterations, strength_reduce, record_biv, record_giv,
13090 final_giv_value, check_final_value, check_ext_dependent_givs,
13091 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13092 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13093 dump_file instead of loop_dump_stream.
13094 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13095 argument dump_file.
13096 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13098 * flow.c (life_analysis, rest_of_handle_life): Ditto.
13099 * haifa-sched.c: Include output.h
13100 (schedule_insns, sched_init): Do not use dump argument.
13101 * mode-switching.c (optimize_mode_switching): Ditto.
13102 * modulo-sched.c (stats_file): Removed.
13103 (print_node_sched_params): Do not call argument dump_file.
13104 (sms_schedule_by_order, loop_canon_p, sms_schedule,
13105 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
13107 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13109 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13110 rtl_loop_init, rtl_loop_done): Ditto.
13111 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13112 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13114 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13115 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13116 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13117 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13118 * emit-rtl.c (renumber_insns): Ditto.
13119 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13120 expand_gimple_basic_block, tree_expand_cfg): Ditto.
13121 * regclass.c (regclass): Ditto.
13122 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13123 remove_ssa_form, rewrite_out_of_ssa): Ditto.
13124 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13125 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13127 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13128 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13130 * gcse.c (gcse_file, debug_stderr): Removed.
13131 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13132 rest_of_handle_gcse): Do not use dump argument.
13133 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13134 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13135 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13136 compute_code_hoist_vbeinout, compute_code_hoist_data,
13137 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13138 compute_store_table, build_store_vectors, insert_insn_start_bb,
13139 insert_store, remove_reachable_equiv_notes, replace_store_insn,
13140 store_motion): Use dump_file instead of gcse_file.
13141 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13142 * profile.c (profile_dump_file): Removed.
13143 (branch_prob): Use dump_file instead of profile_dump_file.
13144 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13146 * tree-ssa-copy.c (dump_copy_of): Ditto.
13147 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13148 dump file to life_analysis.
13149 * bt-load.c (branch_target_load_optimize): Ditto.
13150 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13152 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13153 regclass, dbr_schedule): Declaration changed.
13154 * sched-int.h (sched_init): Declaration changed.
13155 * tree-profile.c (tree_profile_dump_file): Removed.
13156 (tree_profile_hooks): Removed profile_dump_file hook.
13157 * rtl-profile (rtl_profile_dump_file): Removed.
13158 (rtl_profile_hooks): emoved profile_dump_file hook.
13159 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13161 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13162 * tree-cfg.c (build_tree_cfg): Ditto.
13163 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13164 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13165 Declaration changed.
13166 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13167 life_analysis and schedule_insns.
13168 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13170 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13172 * config/mips/mips.c (mips_reorg): Ditto.
13173 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13176 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13178 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13179 (s390_mangle_fundamental_type): New.
13180 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13183 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13184 (alpha_mangle_fundamental_type): New.
13185 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13188 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13190 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13192 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13193 (sparc_mangle_fundamental_type): New.
13195 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13197 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13198 (s390x-*-linux*): Likewise.
13199 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13200 * config/s390/t-linux: New file.
13202 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13204 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13205 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13207 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13209 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13210 (ANTIC_SAFE_LOADS): New macro.
13211 (find_or_generate_expression): Add prototype.
13212 (set_contains_value): Allow null set for sake of not always having
13213 to allocate ANTIC_SAFE_LOADS.
13214 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13215 Allow COMPONENT_REF too.
13216 (valid_in_set): Allow COMPONENT_REF.
13217 Check ANTIC_SAFE_LOADS too.
13218 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13219 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13221 (can_PRE_operation): Add COMPONENT_REF.
13222 (create_component_ref_by_pieces): New function.
13223 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13224 (insert_aux): Move AGGREGATE_TYPE_P check here.
13225 (compute_avail): Set bb local stmt uids.
13226 (pass_pre): Use TODO_update_ssa_only_virtuals.
13228 2006-02-06 Ben Elliston <bje@au.ibm.com>
13230 * configure.ac: Unconditionally disable decimal float by default.
13231 * configure: Regenerate.
13233 2006-02-06 Ben Elliston <bje@au.ibm.com>
13235 * read-rtl.c (read_name): Terminate reading on EOF.
13237 2006-02-06 Ben Elliston <bje@au.ibm.com>
13239 * dfp.c (decimal_real_arithmetic): Change second argument type
13240 from int to enum tree_code. Do not always return true, but now
13241 return result of any call to decimal_do helper functions.
13242 * dfp.h (decimal_real_arithmetic): Update prototype.
13244 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
13246 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13248 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
13251 * tree-cfg.c (cleanup_dead_labels): Also don't remove
13254 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13256 * tree-vrp.c (cfg_loops): Removed.
13257 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13258 Use current_loops instead of cfg_loops. Pass flags to
13259 loop_optimizer_init.
13260 * cfgloopmanip.c (fix_loop_structure): Update only available
13262 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13263 loop_optimizer_init.
13264 * modulo-sched.c (build_loops_structure): Removed.
13265 (sms_schedule): Use loop_optimizer_init.
13266 * loop-init.c (loop_optimizer_init): Use flags to determine
13267 which properties of loops to prepare.
13268 (rtl_loop_init): Pass flags to loop_optimizer_init.
13269 * tree-ssa-sink.c (execute_sink_code): Ditto.
13270 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13271 * tree-ssa-pre.c (init_pre): Ditto.
13272 * cfgloop.h (LOOPS_NORMAL): New.
13273 (loop_optimizer_init): Declaration changed.
13275 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13277 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13278 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13280 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13282 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13284 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13285 * pa/t-pa64: Delete quadlib.c rule.
13286 * pa/x-ada: Revert last change.
13287 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13289 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13291 PR rtl-optimization/26087
13292 * rtlanal.c (canonicalize_condition): Do not cross basic block
13295 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13298 * config/ia64/ia64.c: Include debug.h.
13299 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13300 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13301 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13302 (process_epilogue, process_set, process_for_unwind_directive):
13303 Output unwind info only if requested. Add CFA info if requested.
13304 Add new arguments as needed. Adjust callers.
13305 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13307 (DWARF2_FRAME_INFO): Define to zero.
13308 * config/ia64/unwind-ia64.c: Remove code that compensated for
13309 the CFA offset error fixed above.
13310 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13311 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13312 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13313 -funwind-tables and -fexceptions to enable frame info.
13314 (dwarf2out_frame_init): Define initial CFA even if
13315 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13316 DWARF2_UNWIND_INFO is nonzero, not just defined.
13317 (dwarf2out_frame_finish): Output non-EH call frame info only
13318 if DWARF2_FRAME_INFO is nonzero.
13319 (convert_cfa_to_loc_list,
13320 compute_frame_pointer_to_cfa_displacement): Define even if
13321 unwind info is not supported.
13322 (gen_subprogram_die): Use the above unconditionally. Remove
13323 legacy alternate code.
13324 * toplev.c (compile_file): Compile in call to
13325 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13326 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13328 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13329 Jakub Jelinek <jakub@redhat.com>
13331 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13332 IBM extended float format long double as "g" on powerpc*-linux.
13334 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13337 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13338 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13340 2006-02-03 Jason Merrill <jason@redhat.com>
13343 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13345 PR middle-end/25977
13346 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13347 on the return slot if it's an NRV.
13349 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13351 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13352 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13353 rewrite_use): Do not handle USE_OUTER.
13354 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13355 add_iv_outer_candidates, may_replace_final_value,
13356 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13357 (find_interesting_uses_op): Functionality of
13358 find_interesting_uses_outer_or_nonlin moved here.
13359 (find_interesting_uses_outside): Use find_interesting_uses_op.
13361 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13364 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13366 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13367 Ulrich Weigand <uweigand@de.ibm.com>
13370 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13371 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13372 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13373 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13375 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13376 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13377 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13378 Define secondary reloads for TFmode moves.
13379 (constant_modes): Add TFmode.
13380 (NR_C_MODES): Set to 8.
13381 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13383 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13384 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13385 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13386 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13387 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13388 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13389 (FPR mode macro): Add TFmode.
13390 (DSF mode macro): New.
13391 (<de>, <dee> mode attributes): Removed.
13392 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13393 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13394 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13395 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13396 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13397 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13398 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13399 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13400 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13401 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13402 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13403 "*negabs<mode>2", "sqrt<mode>2"):
13404 Changed <de> to <xde>. R constraint replaced by <Rf>.
13405 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13407 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13408 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13409 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13411 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13412 "extenddftf2", "extendsftf2"): New expanders.
13413 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13414 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13415 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13416 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13418 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13419 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13420 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13421 __floatditf): Add a GCC_4.1.0 symbol version tag.
13422 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13425 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13428 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13429 Use targetm.binds_local_p instead of TREE_PUBLIC.
13431 2006-02-02 Roger Sayle <roger@eyesopen.com>
13433 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13434 on INTEGER_TYPEs to indicate that it denotes a character type.
13435 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13436 signed_char_type_node, unsigned_char_type_node and char_type_node.
13437 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13438 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13439 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13441 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13442 Daniel Berlin <dberlin@dberlin.org>
13444 * tree-tailcall.c (arg_needs_copy_p): New function.
13445 (eliminate_tail_call): Use arg_needs_copy_p.
13446 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13447 (add_virtual_phis): New function.
13449 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13451 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13452 #ignore instead of #scratch for %g7 .register directive.
13454 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13456 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13459 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13461 * flow.c (calculate_global_regs_live): Assert that there aren't any
13464 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13466 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13467 what its name says.
13468 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13469 bsi_after_labels iterator.
13470 * tree-if-conv.c (find_phi_replacement_condition,
13471 replace_phi_with_cond_modify_expr): Likewise.
13472 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13473 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13475 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13477 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13479 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13482 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13483 array after growing it.
13485 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13487 PR middle-end/24901
13488 * fold-const.c (fold_checksum_tree): Change type of buf.
13490 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13492 * reload.c (push_secondary_reload): Initialize t_icode.
13494 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13496 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13497 -msoft-float -mlong-double-128 only issue a warning, but don't
13498 swich to DFmode long double.
13500 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13502 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13503 has a constant equivalent, iterate over equivalents for arg0,
13504 calling simplify_relational_operation and if there's a result
13505 cheaper than X, apply fold_rtx and return the result.
13507 2006-02-01 Jan Hubicka <jh@suse.cz>
13509 * opts.c (no_unit_at_a_time_default): New global variable.
13510 (decode_options): Use it.
13511 * opts.h (no_unit_at_a_time_default): Declare.
13513 2006-02-01 Paul Brook <paul@codesourcery.com>
13515 * function.c (assign_parm_setup_reg): Use function argument promotion
13517 * expr.c (expand_expr_real_1): Use function argument promotion rules
13520 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13522 * gcc.c (process_command): Change j to 'unsigned int'.
13524 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13526 PR middle-end/26001
13527 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13528 Use the corrected index for the character
13529 out of the string constant.
13531 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13533 * mode-switching.c (optimize_mode_switching): Fix size
13534 allocated for bb_info[n_entities].
13536 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13538 * gcc.c (main): Correct type that is allocated for
13539 explicit_link_files.
13541 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13543 * config/s390/s390.c (init_alignment_context): Set
13544 ALIAS_SET_MEMORY_BARRIER on the MEM.
13545 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13547 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13549 PR middle-end/25933
13550 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13552 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13555 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13557 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13558 * regrename.c: Ditto.
13559 * tree-ssa-loop-im.c: Ditto.
13560 * tree-dump.c: Ditto.
13561 * tree-complex.c: Ditto.
13562 * genrecog.c: Ditto.
13563 * tree-ssa-threadupdate.c: Ditto.
13565 * java/class.c: Ditto.
13566 * java/jcf-parse.c: Ditto.
13567 * java/resource.c: Ditto.
13568 * java/except.c: Ditto.
13569 * java/jvspec.c: Ditto.
13570 * java/jcf-write.c: Ditto.
13571 * java/jcf-path.c: Ditto.
13572 * java/gjavah.c: Ditto.
13573 * java/zextract.c: Ditto.
13574 * java/jcf-io.c: Ditto.
13575 * java/jcf.h: Ditto.
13576 * java/buffer.c: Ditto.
13577 * java/lang.c: Ditto.
13578 * java/parse-scan.y: Ditto.
13579 * java/lex.c: Ditto.
13580 * java/lex.h: Ditto.
13581 * cfgloopmanip.c: Ditto.
13582 * postreload-gcse.c: Ditto.
13583 * tree-ssa-loop-manip.c: Ditto.
13584 * postreload.c: Ditto.
13585 * tree-ssa-loop-ch.c: Ditto.
13588 * cppspec.c: Ditto.
13589 * diagnostic.c: Ditto.
13591 * genoutput.c: Ditto.
13593 * cfghooks.c: Ditto.
13594 * cfgloopanal.c: Ditto.
13595 * objc/objc-act.c: Ditto.
13597 * genextract.c: Ditto.
13598 * genautomata.c: Ditto.
13599 * pretty-print.c: Ditto.
13600 * genemit.c: Ditto.
13601 * cgraphunit.c: Ditto.
13603 * df-scan.c: Ditto.
13604 * haifa-sched.c: Ditto.
13605 * dominance.c: Ditto.
13607 * tree-ssa-loop-ivopts.c: Ditto.
13608 * df-core.c: Ditto.
13609 * mode-switching.c: Ditto.
13610 * modulo-sched.c: Ditto.
13612 * ipa-pure-const.c: Ditto.
13614 * fix-header.c: Ditto.
13616 * tree-stdarg.c: Ditto.
13617 * ipa-utils.c: Ditto.
13618 * loop-init.c: Ditto.
13619 * ipa-inline.c: Ditto.
13620 * cfganal.c: Ditto.
13622 * alloc-pool.c: Ditto.
13623 * dwarf2out.c: Ditto.
13625 * genattrtab.c: Ditto.
13626 * tree-ssa-loop-ivcanon.c: Ditto.
13627 * predict.c: Ditto.
13628 * timevar.c: Ditto.
13630 * fortran/gfortranspec.c: Ditto.
13631 * regmove.c: Ditto.
13632 * local-alloc.c: Ditto.
13633 * langhooks.c: Ditto.
13634 * function.c: Ditto.
13635 * tree-vectorizer.c: Ditto.
13637 * ipa-type-escape.c: Ditto.
13639 * tree-if-conv.c: Ditto.
13640 * profile.c: Ditto.
13642 * tree-data-ref.c: Ditto.
13643 * loop-unroll.c: Ditto.
13644 * treelang/treetree.c: Ditto.
13646 * bt-load.c: Ditto.
13647 * ggc-common.c: Ditto.
13649 * coverage.c: Ditto.
13651 * tree-cfgcleanup.c: Ditto.
13652 * tree-ssa-pre.c: Ditto.
13653 * cfgcleanup.c: Ditto.
13654 * loop-invariant.c: Ditto.
13655 * loop-iv.c: Ditto.
13656 * ipa-prop.c: Ditto.
13657 * print-tree.c: Ditto.
13658 * conflict.c: Ditto.
13659 * ggc-page.c: Ditto.
13660 * sched-deps.c: Ditto.
13661 * regclass.c: Ditto.
13662 * tree-object-size.c: Ditto.
13663 * combine.c: Ditto.
13664 * bb-reorder.c: Ditto.
13665 * resource.c: Ditto.
13666 * var-tracking.c: Ditto.
13667 * cfgloop.c: Ditto.
13668 * df-problems.c: Ditto.
13669 * reg-stack.c: Ditto.
13671 * gccspec.c: Ditto.
13672 * sched-rgn.c: Ditto.
13673 * tree-ssa-structalias.c: Ditto.
13674 * tree-ssa-reassoc.c: Ditto.
13675 * config/darwin-c.c: Ditto.
13676 * config/darwin.c: Ditto.
13677 * config/arm/arm.c: Ditto.
13679 * collect2.c: Ditto.
13680 * reload1.c: Ditto.
13682 2006-01-31 Nicolas Pitre <nico@cam.org>
13684 * arm.md (smaxsi3): Make aware of smax_m1.
13687 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13689 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13691 2006-01-31 Richard Guenther <rguenther@suse.de>
13693 * doc/invoke.texi (-msselibm): Document.
13694 * target.h (expand_library_builtin): New target hook.
13695 * builtins.c (expand_builtin): Use expand_library_builtin.
13696 (default_expand_library_builtin): New function.
13697 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13698 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13699 (link_gcc_math_spec): Declare.
13700 (static_specs): Add link_gcc_math_spec.
13701 * expr.h (default_expand_library_builtin): Declare.
13702 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13703 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13704 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13705 * config/i386/i386.opt (msselibm): New target option.
13706 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13707 (ix86_init_sse_abi_builtins): New function.
13708 (ix86_expand_library_builtin): Likewise.
13709 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13710 (override_options): Handle error conditions wrt -msselibm.
13711 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13712 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13713 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13716 2006-01-31 Richard Guenther <rguenther@suse.de>
13717 Paolo Bonzini <bonzini@gnu.org>
13719 * doc/install.texi (--disable-libgcc-math): Document.
13721 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13723 * expr.h (expand_normal): new inline function.
13724 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13725 * dojump.c: use it.
13726 * dwarf2out.c: use it.
13729 * expmed.c: use it.
13730 * except.c: use it.
13731 * config/sparc/sparc.c: use it.
13732 * config/i386/i386.c: use it.
13733 * config/rs6000/rs6000.c: use it.
13734 * config/arm/arm.c: use it.
13735 * config/mips/mips.c: use it.
13736 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13738 2006-01-30 Roger Sayle <roger@eyesopen.com>
13740 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13741 argv to the appropriate type.
13743 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13745 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13748 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13751 * config/s390/s390.c (struct machine_function): New flag
13752 decomposed_literal_pool_addresses_ok_p.
13753 (s390_reorg): Set it before final stage of literal pool transforms.
13754 (s390_decompose_address): Only accept displacements of the form
13755 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13757 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13759 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13760 the comparison routine return.
13762 2006-01-30 Michael Matz <matz@suse.de>
13764 * global.c (find_reg): Only evict for global regs.
13765 Take n_refs into account and dump more info.
13767 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13770 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13771 (pragma_trap, pragma_nosave_low_regs): Likewise.
13772 (current_function_anonymous_args): Likewise.
13773 (sh_deferred_function_attributes): New variable.
13774 (sh_deferred_function_attributes_tail): Likewise.
13775 (print_operand): For '@', look up trap_exit attribute.
13776 (calc_live_regs): Look up trapa_handler attribute. For trapa
13777 handlers, save/restore fpscr, but don't do any other
13778 interrupt-specific saves.
13779 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13780 Fix check for partially saved registers to check for SHmedia.
13781 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13782 (sh_output_function_epilogue): Don't clear any of the removed
13784 (sh_insert_attributes): Don't check pragma_interrupt.
13785 Insert deferred attributes. Check that interrupt attribute is
13786 present for other attributes that require its presence.
13787 (sh_attribute_table): Add new attributes trapa_handler and
13789 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13790 Don't check for pragma_interrupt. Don't store argument.
13791 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13792 (sh_deferred_function_attributes): Declare.
13793 (sh_deferred_function_attributes_tail): Likewise.
13794 * sh.md (sp_switch_1): Add operand. Change generator caller.
13795 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13796 (*return_i): Don't use when trap_exit attribute is in effect.
13797 (*return_trapa): New insn pattern.
13798 * sh-c.c: New file.
13799 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13800 setting c_target_objs and cxx_target_objs.
13801 * t-sh: Add rule for sh-c.o.
13803 2006-01-30 Richard Guenther <rguenther@suse.de>
13806 * gimplify.c (gimplify_target_expr): Handle easy cases
13807 without creating a temporary.
13809 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13811 * vec.h (safe_grow): Remove duplicated line.
13813 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13816 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13817 (expand_omp): ... here.
13818 (expand_omp_parallel): Only remove barriers for combined
13819 parallel+workshare constructs.
13821 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13825 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13826 * tree.c (build_qualified_type): Chain the new type to the original
13827 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13828 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13829 (build_pointer_type_for_mode): Only return unqualified types.
13830 (build_reference_type_for_mode): Likewise.
13832 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13834 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13835 * Makefile.in (CXX_COMPAT_WARN): Define.
13836 * configure: Regenerate.
13838 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13841 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13844 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13846 * toplev.c: Fix thinko.
13848 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13849 Marcin Dalecki <martin@dalecki.de>
13851 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13852 (push_srcloc): Use XNEW.
13853 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13855 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13857 * df-core.c (df_set_blocks): Deleted all variable.
13859 2006-01-28 Ian Lance Taylor <ian@airs.com>
13861 * cgraphunit.c (cgraph_assemble_pending_functions): Call
13862 cgraph_output_pending_asms.
13864 2006-01-28 Zack Weinberg <zackw@panix.com>
13866 * c.opt: Add -W(no-)overlength-strings.
13867 * doc/invoke.texi: Document it.
13868 * c-opts.c (c_common_handle_option): -pedantic implies
13869 -Woverlength-strings, if not explicitly disabled already.
13870 (c_common_post_options): -Woverlength-strings defaults to off, and
13871 is always off for C++.
13872 * c-common.c (fix_string_type): Issue warning about strings longer
13873 than is portable only if warn_overlength_strings. Rearrange code
13874 a little for clarity.
13875 * configure.in: Check for -Wno-overlength-strings as well before
13876 enabling -pedantic in stage 1.
13877 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
13878 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
13880 * genconditions.c (write_header, write_one_condition)
13881 (write_conditions, write_writer): Consolidate very long strings
13882 that were broken up to fit in C89 portable limit. Don't use
13883 printf when fputs will do.
13885 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13887 * combine.c (simplify_comparison <AND>): Check
13888 TRULY_NOOP_TRUNCATION before start using a subreg.
13890 * config/mips/mips.md (*branch_zero<mode>,
13891 *branch_zero<mode>_inverted, *branch_equality<mode>,
13892 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13893 Remove mode check from comparisons.
13895 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13897 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13899 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13901 * expmed.c (const_mult_add_overflow_p): Remove.
13902 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13904 * recog.c (validate_replace_rtx_subexp): Remove.
13905 * recog.h: Remove the prototype for
13906 validate_replace_rtx_subexp.
13908 * integrate.h: Remove the prototype for
13909 copy_decl_for_inlining.
13910 * rtl.h: Remove the prototype for mark_constant_function.
13911 * tree-vectorizer.h: Remove the prototype for
13912 vect_strip_conversion.
13914 * modulo-sched.c (create_partial_schedule,
13915 free_partial_schedule, reset_partial_schedule): Make them
13918 * hooks.c (hook_bool_rtx_int_false): Remove.
13919 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13921 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13923 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13924 and -mlong-double-128 are incompatible.
13925 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13926 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13927 (TARGET_LIBGCC2_CFLAGS): Define.
13928 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13929 (TARGET_LIBGCC2_CFLAGS): Same.
13930 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13932 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13935 * c-typeck.c (build_binary_op): Perform implicit casts of
13936 operands before shortening them.
13938 * cfgloopmanip.c (split_loop_bb): Remove.
13939 * cfgloop.h: Remove the prototype for split_loop_bb.
13941 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13942 * cfgloop.h: Remove the prototype for
13943 flow_loop_outside_edge_p.
13945 * emit-rtl.c (init_virtual_regs): Make it static.
13946 * function.h: Remove the prototype for init_virtual_regs.
13948 * recog.c (peephole2_optimize): Make it static.
13949 * recog.h: Remove the prototype for peephole2_optimize.
13951 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13953 * df-scan.c (df_record_entry_block_defs): Check if
13954 INCOMING_RETURN_ADDR_RTX is defined.
13956 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
13957 Kenneth Zadeck <zadeck@naturalbridge.com>
13959 PR rtl-optimization/24762
13960 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13961 * targhooks.c (hook_void_bitmap): New hook prototype.
13962 * targhoohs.h (hook_void_bitmap): Ditto.
13963 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
13964 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
13965 * target.h (live_on_entry): New function pointer.
13966 * df-scan.c (df_all_hard_regs): Removed.
13967 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
13968 (df_scan_free_internal): Added df->entry_block_defs.
13969 (df_scan_alloc): Ditto.
13970 (df_scan_dump): Ditto.
13971 (df_uses_record): Plumbed flag field properly thru calls.
13972 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
13973 This part fixes PR24762.
13974 (df_bb_refs_record): Added code to make the frame and arg
13975 pointers live in EH blocks.
13976 (df_refs_record): Added call to df_record_entry_block_defs.
13977 (df_record_entry_block_defs): New function.
13978 * df-core.c: Added comments to describe new artifical defs.
13979 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
13980 (entry_block_defs): New field in struct df.
13981 (df_all_hard_regs): Deleted.
13982 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13983 * df-problems.c (df_ru_bb_local_compute_process_def):
13984 Added code to handle artifical defs in the entry to a function.
13985 (df_ru_bb_local_compute): Ditto.
13986 (df_rd_bb_local_compute_process_def): Ditto.
13987 (df_rd_bb_local_compute): Ditto.
13988 (df_lr_bb_local_compute): Ditto.
13989 (df_ur_bb_local_compute): Ditto.
13990 (df_urec_bb_local_compute): Ditto.
13991 (df_chain_create_bb): Ditto.
13992 (df_ur_local_finalize): Removed entry.
13993 (df_urec_init): Ditto.
13994 (df_urec_local_finalize): Ditto.
13995 (df_ri_bb_compute): Added detection of last use of pseudos.
13996 * Makefile.in (df-scan.o): Updated dependencies.
13997 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
13998 * config/mips/mips.c (mips_set_live_on_entry): Added.
13999 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
14001 * dce.c (marked_insn_p): Added code to handle artifical defs.
14003 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14005 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14007 (_mm_cvtsi128_si64): Likewise.
14008 (_mm_cvtsd_si64): Likewise.
14009 (_mm_cvttsd_si64): Likewise.
14010 (_mm_cvtsi64_sd): Likewise.
14011 (_mm_cvtsi64_si128): Likewise.
14012 * config/i386/mmintrin.h (_m_from_int64): Likewise.
14013 (_mm_cvtsi64_m64): Likewise.
14014 (_m_to_int64): Likewise.
14015 (_mm_cvtm64_si64): Likewise.
14016 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
14017 (_mm_cvttss_si64): Likewise.
14018 (_mm_cvtsi64_ss): Likewise.
14019 (_mm_cvtss_f32): Likewise.
14021 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
14023 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
14024 for pragma redefine_extname.
14026 2006-01-27 Jakub Jelinek <jakub@redhat.com>
14029 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
14030 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
14031 -mno-minimal-toc to previous content.
14032 (bispecs): Remove goal.
14033 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14034 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
14035 compatibility aliases on powerpc-*-*gnu*.
14036 * config/rs6000/libgcc-ppc-glibc.ver: New file.
14037 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
14038 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
14039 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
14040 (ldblspecs): New goal.
14041 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
14042 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
14044 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
14045 L_sf_to_tf or L_df_to_tf is defined.
14047 2006-01-27 David Edelsohn <edelsohn@gnu.org>
14048 Alan Modra <amodra@bigpond.net.au>
14051 * config/rs6000/linux.h (POWERPC_LINUX): Define.
14052 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
14053 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14054 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14055 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14056 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14057 (rs6000_override_options): Initialize rs6000_ieeequad.
14058 Initialize TFmode format to ibm_extended_format if not
14060 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14062 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14063 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14064 (function_arg_advance): IBM long double passed in two FPRs, not
14066 (function_arg): IBM long double passed in FPRs.
14067 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14068 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14069 Only multireg GPR aligned.
14070 (rs6000_init_libfuncs): Enable IBM long double functions if not
14072 (rs6000_generate_compare): Use IBM long double compare if not
14074 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14075 (TARGET_IEEEQUAD): Define.
14076 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
14077 not TARGET_IEEEQUAD.
14078 * config/rs6000/rs6000.md: Enable TFmode patterns if
14080 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
14081 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14082 and -mlong-double-128 are incompatible.
14083 * doc/invoke.texi (-mabi): Collect options together. Add
14084 ibmlongdouble and ieeelongdouble.
14086 2006-01-27 Richard Sandiford <richard@codesourcery.com>
14088 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14090 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14091 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14092 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14093 * rtl.h (rtunion_def): Remove rt_ptr.
14095 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14096 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14097 * config/i386/winnt.c (i386_pe_mark_dllexport)
14098 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14100 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14102 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14104 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14108 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14109 pthread_key_delete. From John David Anglin. gthrw-ify
14110 pthread_getunique_np only if it it's not a macro. Delete
14112 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14113 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14114 __gthread_objc_condition_signal, __gthread_key_delete): Add
14115 "__attribute__ ((__unused__))" to unused arguments.
14116 (__gthread_recursive_mutex_init_function): Add missing return.
14117 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14118 gthr-posix95.h: Use macro-based approach for name redirection
14119 on targets missing weakref.
14121 2006-01-26 Zack Weinberg <zackw@panix.com>
14123 * genconditions.c (write_header): In generated code, #ifdef out
14124 all includes and fake declarations, except includes of bconfig.h
14125 and system.h, unless GCC_VERSION >= 3001. Do not include
14126 gensupport.h in any case.
14127 (write_conditions): Generate a definition of struct c_test. Add
14128 a comment to the generated #endif.
14129 (write_one_condition): Escape backslashes in string too.
14130 (write_writer): Generated code must escape backslashes and quote
14131 marks (but not newlines) in the strings it writes.
14132 * Makefile.in (build/gencondmd.o): Update dependencies.
14134 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14137 * Makefile.in (insn-automata.o): Add header file dependencies.
14138 * genautomata.c: Add includes.
14140 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14143 * Makefile.in (insn-automata.o): Add -Wno-error flag.
14145 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14147 * configure.ac: Expect target tools paths to be passed from the toplevel
14148 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
14150 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14152 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14155 * c.opt (Wpointer-sign): Init to -1.
14156 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14157 OPT_pedantic, to 0 otherwise.
14158 * doc/invoke.texi: Update.
14160 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14162 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14163 constants provided by 80387 instructions in the destination mode.
14165 2006-01-26 Richard Guenther <rguenther@suse.de>
14166 Andrew Pinski <pinskia@physics.uc.edu>
14169 partial PR tree-opt/17064
14170 * tree-ssa-structalias.c (intra_create_variable_infos):
14171 Create heap variables for incoming parameters if
14172 flag_argument_noalias > 1.
14173 (find_what_p_points_to): Look through default defs of
14176 2006-01-26 Jeff Law <law@redhat.com>
14179 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14180 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14181 within the VR_RANGE, use the VR_RANGE as the result, not the
14183 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14184 bounds for the type.
14186 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14188 * tree-ssa-alias.c (maybe_create_global_var): Change
14189 subvar walking to an assertion that we don't have subvar'd variables.
14191 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14194 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14195 Use a new variable, inner. PARM_DECLs are always non-weak.
14197 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14199 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14200 --disable-checking.
14202 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14204 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14206 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14208 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14209 (smax_insn, smin_insn, smax_0, smin_0): New.
14211 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14214 * config/cris/cris.c (cris_order_for_addsi3): New function.
14215 * config/cris/cris-protos.h: Prototype it.
14216 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14217 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14218 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14219 (split for "op.S1 [rx=rx+i],ry (swapped)")
14220 (split for "op(s|u).S1 [rx=rx+i],ry")
14221 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14222 Apply cris_order_for_addsi3 when generating addsi3 insns.
14224 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14226 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14227 (TREE_BLOCK): Add call to EXPR_CHECK.
14229 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14232 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14233 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14234 (dump_omp_clauses): ... here.
14235 (dump_generic_node): Handle OMP_CLAUSE.
14236 * tree.c (omp_clause_num_ops): New.
14237 (omp_clause_code_name): New.
14238 (tree_code_size): Handle OMP_CLAUSE.
14239 (tree_size): Likewise.
14240 (make_node): Document handling of OMP_CLAUSE.
14241 (tree_node_structure): Handle OMP_CLAUSE.
14242 (omp_clause_check_failed): New.
14243 (omp_clause_range_check_failed): New.
14244 (omp_clause_operand_check_failed): New.
14245 (build_omp_clause): New.
14246 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14247 * tree.h (enum omp_clause_code): Declare.
14248 (OMP_CLAUSE_SUBCODE_CHECK): Define.
14249 (OMP_CLAUSE_RANGE_CHECK): Define.
14250 (OMP_CLAUSE_ELT_CHECK): Define.
14251 (omp_clause_check_failed): Declare.
14252 (omp_clause_operand_check_failed): Declare.
14253 (omp_clause_range_check_failed): Declare.
14254 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14255 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14256 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14257 (OMP_CLAUSE_LASTPRIVATE): Likewise.
14258 (OMP_CLAUSE_IF_EXPR): Likewise.
14259 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14260 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14261 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14262 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14263 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14264 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14265 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14266 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14267 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14268 (OMP_CLAUSE_CODE): Define.
14269 (OMP_CLAUSE_SET_CODE): Define.
14270 (OMP_CLAUSE_CODE): Define.
14271 (OMP_CLAUSE_OPERAND): Define.
14272 (struct tree_omp_clause): Declare.
14273 (union tree_node): Add field 'omp_clause'.
14274 * treestruct.def (TS_OMP_CLAUSE): Define.
14275 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14276 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14277 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14278 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14279 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14280 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14281 (OMP_CLAUSE): Define.
14282 * print-tree.c (print_node): Handle OMP_CLAUSE.
14283 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14284 * c-typeck.c: Likewise.
14285 * gimplify.c: Likewise.
14286 * c-omp.c: Likewise.
14287 * tree-nested.c: Likewise.
14288 * tree-inline.c: Likewise.
14289 * c-parser.c: Likewise.
14290 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14293 2006-01-25 Roger Sayle <roger@eyesopen.com>
14295 PR rtl-optimization/25703
14296 * combine.c (try_combine): Handle zero_extract and strict_low_part
14297 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14299 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14301 * global.c: Fix comment typos.
14303 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14306 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14307 Use output_addr_const instead of assemble_name.
14309 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14311 * Makefile.in (sched-vis.o): Update dependencies.
14312 * haifa-sched.c (sched_finish): Clear current_sched_info.
14313 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14314 (dump_flow_info): Call it.
14315 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14317 * basic-block.h (dump_bb_info): Declare.
14318 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14319 option, and apply options only for dump files whose TDF_RTL,
14320 TDF_TREE, or TDF_IPA bits match.
14321 * rtl.h: Declare new functions exported from sched-vis.c.
14322 * sched-vis.c: Enable also if scheduling is not used.
14323 (print_value): Print the mode of registers if not inside scheduling.
14324 (print_insn): Make it work outside the scheduler. Beautify the output
14326 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14328 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14330 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14331 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14332 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14333 depending on the value of CONSTANT_POOL_ADDRESS_P.
14334 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14336 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14337 rather than SYMBOL_REF_DECL.
14338 (rtx_constant_pool): Remove const_rtx_sym_htab.
14339 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14340 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14341 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14342 Remove handling of const_rtx_sym_htab.
14343 (find_pool_constant): Delete.
14344 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14345 rather than find_pool_constant.
14346 (get_pool_constant_for_function): Delete.
14347 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14348 find_pool_constant.
14349 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14350 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14351 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14352 (SYMBOL_REF_CONSTANT): New macro.
14353 (get_pool_constant_for_function): Delete.
14354 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14355 rather than SYMBOL_REF_DECL.
14356 (i386_pe_mark_dllimport): Likewise.
14357 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14358 rather than SYMBOL_REF_DECL.
14359 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14360 (machopic_indirect_call_target): Likewise.
14362 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14364 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14366 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14368 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14370 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14372 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14374 2006-01-24 David Daney <ddaney@avtrex.com>
14377 * configure.ac (enable_tls): New enable option.
14378 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14379 * configure: Regenerate.
14380 * doc/install.texi (--enable-tls): Document new option.
14381 (--disable-tls): Ditto.
14383 2006-01-24 Richard Henderson <rth@redehat.com>
14385 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14386 * alias.c (true_dependence): Respect it.
14387 (canon_true_dependence, write_dependence_p): Likewise.
14388 * builtins.c (get_builtin_sync_mem): Set it.
14390 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14392 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14395 2006-01-24 DJ Delorie <dj@redhat.com>
14397 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14398 for storing constants in single-bit bitfields.
14400 2006-01-25 Ben Elliston <bje@au.ibm.com>
14402 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14404 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14407 * tree-ssa-pre.c (phi_translate): Return NULL
14408 for AGGREGATE_TYPE's.
14410 2006-01-24 Zack Weinberg <zackw@panix.com>
14412 * genautomata.c (process_state_for_insn_equiv_partition):
14413 Use xcalloc for insn_arcs_array.
14414 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14415 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14417 2006-01-24 Richard Henderson <rth@redhat.com>
14419 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14420 update all callers.
14422 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14424 PR rtl-optimization/25890
14425 PR rtl-optimization/25905
14426 * combine.c (expand_compound_operation, expand_field_assignment):
14427 Fail if the bitfield's final position is out of bounds.
14429 2006-01-24 Ian Lance Taylor <ian@airs.com>
14431 PR middle-end/25930
14432 * cgraphunit.c (cgraph_output_in_order): Don't clear
14433 cgraph_asm_nodes until after asm strings have been output.
14435 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14437 * fix-header.c (read_scan_file): Add new parameter imultilib when
14438 calling register_include_chains.
14440 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14442 * omp-low.c: Update documentation.
14444 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14445 Daniel Berlin <dberlin@dberlin.org>
14449 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14450 return from the function.
14452 2006-01-22 Zack Weinberg <zackw@panix.com>
14454 * rtl.def (match_code): Add second argument.
14455 * genpreds.c (write_extract_subexp): New function.
14456 (write_match_code): Add path argument. Use write_extract_subexp.
14457 (write_predicate_expr): Pass path to write_match_code.
14458 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14459 not perform a mode test.
14460 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14461 a subexpression does not constrain the top-level code set.
14462 * read-rtl.c (read_rtx_variadic): New function.
14463 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14464 * doc/md.texi: Document new notation.
14465 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14466 (cmpsi_operand): ... here, using new notation.
14468 2006-01-22 Zack Weinberg <zackw@panix.com>
14470 * varray.c: Remove GENERATOR_FILE #ifdefs.
14472 2006-01-22 Zack Weinberg <zackw@panix.com>
14474 * genautomata.c (output_reserved_units_table): Emit nothing if
14475 description->query_units_num is zero. Remove extra blank line.
14476 (output_cpu_unit_reservation_p): Short circuit
14477 if description->query_units_num is zero.
14479 2006-01-22 Zack Weinberg <zackw@panix.com>
14481 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14482 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14483 nor any of the random handful of variables that used to be necessary
14484 when this program was linked with rtlanal.o. Prune set of forward
14485 function declarations.
14486 (struct attr_desc): Remove static_p field.
14487 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14488 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14489 (attr_string): Do not read the character one past the length of
14491 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14492 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14493 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14494 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14495 (make_automaton_attrs): New.
14496 (main): Do not call into genautomata. Call local gen_bypass
14497 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14498 Remove special case for insn_alts.
14499 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14500 varray.h (leftover from previous change). Prune set of forward
14501 function declarations. Remove state_alts fields from all
14502 structures. Remove state_alts_table from struct automaton.
14503 Make everything except main static. Do not maintain num_dfa_decls.
14504 Do not maintain state_alts fields of various structures.
14505 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14506 (add_arc): Remove state_alts argument. All callers updated.
14507 (output_reserved_units_table): Emit #ifdef here...
14508 (output_tables): ...not here. Don't generate state_alts tables.
14509 (expand_automata): Don't generate attributes.
14510 (write_automata): Don't generate state_alts functions.
14511 (main): New function.
14512 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14513 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14514 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14515 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14516 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14517 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14518 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14519 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14521 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14522 * genattrtab.h: Delete file.
14523 * Makefile.in (OBJS-common): Add insn-automata.o.
14524 (insn-automata.o): New rule.
14525 (simple_generated_c): Add insn-automata.c.
14526 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14527 (genprogmd): Add automata.
14528 (build/genattrtab): Needs no extra objects nor libraries.
14529 (build/genautomata): Needs build/vec.o and -lm.
14531 2006-01-22 Zack Weinberg <zackw@panix.com>
14533 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14534 (output_dfa_max_issue_rate, locked_states_num): Delete.
14535 (struct automaton): Add locked_states field.
14536 (output_dead_lock_vect): Save number of locked states in
14537 automaton->locked_states. If it is zero, don't print anything.
14538 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14539 (output_internal_dead_lock_func): Only test the dead_lock_vect
14540 for automata that have locked states.
14541 (output_statistics): Always print the number of locked states for
14542 each automaton. Calculate total number of locked states here.
14543 (write_automata): Don't call output_dfa_max_issue_rate.
14544 * genattrtab.c: Define length_unit_log as a const variable.
14545 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14546 max_insn_queue_index const.
14547 * final.c (length_unit_log): Declare const.
14548 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14550 2006-01-22 Zack Weinberg <zackw@panix.com>
14552 * genautomata.c: Include vec.h, not varray.h.
14553 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14554 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14555 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14556 VEC_* macros operating on appropriately typed vectors, or to
14557 malloced arrays when the size is known in advance. Const-ify
14558 many char* variables and function arguments. No functional changes.
14559 * Makefile.in (build/varray.o): Delete rule.
14560 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14561 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14563 2006-01-22 Zack Weinberg <zackw@panix.com>
14565 * gensupport.c: Define get_insn_name and record_insn_name here.
14566 (read_md_rtx): Call record_insn_name as appropriate.
14567 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14568 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14569 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14571 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14572 (BUILD_VARRAY): Delete.
14573 (genprognormal): Rename genprogmd. Fold in all programs from
14574 genprognoprint; also attrtab.
14575 (build/genattrtab): Just mention genautomata.o and varray.o.
14576 Reorganize a bit, add comments to make the categories clearer.
14578 2006-01-22 Zack Weinberg <zackw@panix.com>
14580 * genconditions.c (condition_table, add_condition): Delete.
14581 (write_conditions): Don't emit n_insn_conditions nor
14582 insn_elision_unavailable. Issue the gcc version #ifdef here,
14583 inside the table, with no #else clause ...
14584 (write_header): ...not here.
14585 (write_writer): New function.
14586 (main): Don't initialize condition_table. Use add_c_test.
14588 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14589 files on the command line.
14590 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14591 Return -1 if there is no entry in the table, don't abort.
14592 (add_c_test, traverse_c_tests): New functions.
14593 * gensupport.h (insn_elision_unavailable, insn_conditions)
14594 (n_insn_conditions): Delete declarations.
14595 (add_c_test, traverse_c_tests): Declare.
14596 * read-rtl.c: Include gensupport.h.
14597 (read_conditions): New function.
14598 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14599 (read_rtx_1): If we get EOF when we were looking for an initial
14600 open paren, return 0. Call read_conditions when appropriate.
14601 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14602 dummy-conditions.o. Eliminate references to insn-conditions.o,
14603 or change them to build/gencondmd.o, as appropriate. Remove
14604 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14605 from $(simple_generated_c). For all files remaining in those
14606 two lists, add insn-conditions.md to the generator command line.
14607 Give insn-constants.h/s-constants their own rules. Add rules
14608 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14609 (build/read-rtl.o): Depend on gensupport.h.
14610 (genprognormal): Include preds.
14611 (genprogearly): Rename genprognoprint; only difference is now that
14612 they don't link with $(BUILD_PRINT).
14613 * dummy-conditions.c: Delete.
14615 2006-01-22 Zack Weinberg <zackw@panix.com>
14617 * genextract.c: Don't include insn-config.h. Do include vec.h.
14618 Declare vectors of int, char, and locstr.
14619 (locstr): New typedef.
14620 (struct extraction): Make all array fields into bare pointers.
14621 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14622 (insn_code_number): Delete.
14623 (accum_extract): New struct.
14624 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14625 (gen_insn): Take insn_code_number as an argument. Use an
14626 accum_extract structure instead of loading data directly into
14627 a struct extraction, and having to know how big it might get.
14628 (walk_rtx): Operate entirely on an accum_extract structure.
14629 (print_path): Avoid unnecessary use of printf.
14630 (print_header): New function, split out of main. Distinguish
14631 more carefully between an unrecognizable insn and an insn that
14632 has the code number of a define_expand.
14633 (main): Pass insn_code_number to gen_insn. Call print_header
14634 only after parsing. Avoid unnecessary use of printf.
14635 * Makefile.in (build/vec.o): New rule.
14636 (build/genextract): Depend on build/vec.o.
14637 (build/genextract.o): Don't depend on insn-config.h.
14639 2006-01-22 Zack Weinberg <zackw@panix.com>
14641 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14642 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14643 practical. Eliminate per-generator-program link rules.
14645 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14647 PR middle-end/24437
14648 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14649 with a call expr to ...
14650 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14652 2006-01-23 Richard Guenther <rguenther@suse.de>
14654 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14655 before make_edge with conditional EDGE_TRUE_VALUE.
14657 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14658 Jan Hubicka <jh@suse.cz>
14659 Richard Guenther <rguenther@suse.de>
14661 PR rtl-optimization/25654
14662 * cfgexpand.c (aggregate_contains_union_type): New function.
14663 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14664 for structure variables that contain a union type.
14666 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14668 * gengtype.c (new_structure): Return the structure.
14669 (create_option): Add an extra "next" argument.
14670 (create_field): New function.
14671 (adjust_field_rtx_def): Use create_option and create_field.
14672 Remove a now-unnecessary call to find_structure.
14673 (adjust_field_tree_def): Likewise.
14674 (note_yacc_type): Remove an unnecessary call to find_structure.
14675 * gengtype.h (new_structure): Return the structure.
14676 (create_option): Add an extra argument.
14677 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14678 (option): Adjust calls to create_option.
14680 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14682 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14684 2006-01-22 Paul Brook <paul@codesourcery.com>
14685 Peter Barada <peter@the-baradas.com>
14687 * config/m68k/m68k.md: Add Coldfire FPU support.
14688 Define FP mode macro and associated attributes.
14689 Use it for float mode patterns.
14690 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14691 (LIBCALL_VALUE): Use m68k_libcall_value.
14692 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14693 (m68k_function_value): Ditto.
14694 (emit_move_sequence): Ditto.
14695 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14696 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14697 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14698 (MULTILIB_EXCEPTIONS): Ditto.
14699 * config/m68k/m68k.opt: Add mcfv4e.
14700 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14701 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14702 (m68k_output_function_prologue): Save ColdFire FPU registers.
14703 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14704 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14705 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14706 ColdFire FPU registers.
14707 (m68k_libcall_value, m68k_function_value): New functions.
14708 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14709 (LIBCALL_VALUE): Use m68k_libcall_value.
14710 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14711 (MASK_COLDFIRE): Add MASK_CFV4E.
14712 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14713 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14714 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14715 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14716 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14717 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14718 * doc/invoke.tex: Document -mcfv4e on m68k.
14720 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14722 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14725 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14728 * c-opts.c (c_common_handle_option): Don't include
14729 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14730 * doc/invoke.texi (C++ Dialect Options): Document that
14731 -Wnon-virtual-dtor is no longer included in -Wall.
14733 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14735 * gcov.c (print_version), gcov-dump.c (print_version),
14736 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14739 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14741 * df-scan.c (problem_SCAN): Added NULL reset function.
14742 (df_scan_reset_blocks): Added code to call reset block function
14743 (df_bb_refs_delete) Fixed comment.
14744 (df_insn_refs_delete): Made tolerant of deleting non existent info
14745 for dataflow problems that need to be reset.
14746 * df-core.c (df_set_blocks): Ditto.
14747 * df.h (struct df_problem): Added reset_fun.
14748 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14749 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14750 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14751 functions to clear out all references to def-use or use-def chains.
14753 2006-01-21 Ben Elliston <bje@au.ibm.com>
14755 * varasm.c (assemble_real): Initialise data array.
14757 2006-01-20 Paul Brook <paul@codesourcery.com>
14759 Merge from csl-arm-branch.
14760 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14761 * config/arm/arm.md (movdi): Force operands[1] to a register
14762 if we have a non-register source.
14763 (*arm_movdi, *movdf_soft_insn): Require that one of the
14764 operands be a register.
14765 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14766 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14768 2006-01-20 DJ Delorie <dj@redhat.com>
14770 * varasm.c (initializer_constant_valid_p): Allow pointers
14771 initialized from integer constants of lesser precision.
14772 (output_constant): Allow non-int-sized pointer modes to be
14773 initialized from integer constants.
14775 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14778 * cppdefault.h (struct default_include): Add multilib flag.
14779 * cppdefault.c (cpp_include_defaults): Set it.
14780 * c.opt (-imultilib): New option.
14781 * c-opts.c (imultilib): New.
14782 (c_common_handle_option): Handle -imultilib.
14783 (c_common_post_options): Likewise.
14784 * c-incpath.c (add_standard_paths, register_include_chains):
14786 * c-incpath.h (register_include_chains): Add extra parameter.
14787 * gcc.c (do_spec_1): Generate -imultilib option.
14788 (The Specs Language): Update %I description.
14789 (process_command): Update copyright notice.
14790 * doc/cppopts.texi (-imultilib): Document.
14791 * doc/invoke.texi (-imultilib): Include in option summary.
14792 (%I): Update specs documentation.
14794 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14796 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14798 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14800 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14803 2006-01-20 Richard Guenther <rguenther@suse.de>
14804 Steven Bosscher <stevenb.gcc@gmail.com>
14806 PR rtl-optimization/24626
14807 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14808 EDGE_TRUE_VALUE if in RTL mode.
14811 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14812 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14814 2006-01-20 Dirk Mueller <dmueller@suse.com>
14817 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14818 instead of a special NOP marker.
14819 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14820 NOP marker handling.
14821 * c-common.h (empty_body_warning): Add forward declaration.
14822 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14823 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14825 2006-01-20 Paul Brook <paul@codesourcery.com>
14827 * Makefile.in (lang_checks): Keep going if mkdir fails.
14829 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14831 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14832 be able to clean out basic block when not necessary.
14833 (df_scan_free): Fixed to properly delete information if df is
14834 unused before calling df_finish.
14835 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14836 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14838 (df_bb_refs_delete): New function.
14839 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14840 * df-core.c (df_set_blocks): Added code to properly clean out
14841 unused blocks if they are not part of the blocks to consider.
14842 Added additional null check.
14843 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14844 be able to clean out basic block when not necessary
14845 * df.h (df_free_bb_function): Ditto.
14846 (df_bb_refs_delete): New function.
14847 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14848 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14849 basic block parameter to be able to clean out basic block when not
14851 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14852 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14853 Fixed to properly delete information if df is unused before
14856 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14858 PR rtl-optimization/25799
14859 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14860 Corrected confluence operator to remove bits from op2 before oring
14861 with op1 rather than removing bits from op1.
14862 (df_ru_transfer_function): Corrected test on wrong bitmap which
14863 caused infinite loop. Both of these problems were introduced in
14864 the dataflow rewrite.
14866 2006-01-19 DJ Delorie <dj@redhat.com>
14868 * reload1.c (find_reload_regs): Note the details of reload
14869 failures in the dump file.
14870 (spill_failure): Likewise.
14872 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14874 * loop-iv.c: Include df.h and hashtab.h.
14875 (enum iv_grd_result): New enum.
14876 (DF_REF_IV, DF_REF_IV_SET): New macros.
14877 (struct biv_entry): New.
14878 (df, bivs): New global variables.
14879 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
14880 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
14882 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
14883 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
14884 analyzed_for_bivness_p, record_biv): New functions.
14885 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14886 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14887 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14889 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14891 (iv_number_of_iterations): Use new interface to iv analysis.
14892 * loop-unroll.c: Do not include varray.h.
14893 (analyze_iv_to_split_insn): Use new interface to iv
14895 * loop-unswitch.c (may_unswitch_on): Ditto.
14896 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14898 (df_bb_modify): Realloc tables to the new index.
14899 (df_find_use): New function.
14900 * df.h (df_find_use): Declare.
14901 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14903 * cfgloop.h (struct rtx_iv): Remove analysed field.
14904 (iv_get_reaching_def): Removed.
14905 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14906 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14907 (loop-iv.o): Add df.h and hashtab.h dependency.
14908 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14910 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14913 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14915 (__floatundisf, __floatundidf): Likewise.
14916 * libgcc2.h (IS_IBM_EXTENDED): Define.
14918 2006-01-19 DJ Delorie <dj@redhat.com>
14920 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14922 2006-01-19 Paul Brook <paul@codesourcery.com>
14924 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14925 as nothrow when unwinding tables are disabled.
14927 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14930 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14931 of bit-field" when in system header.
14933 2006-01-19 DJ Delorie <dj@redhat.com>
14935 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14936 the 16 bit shift limit of the m16c.
14938 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14941 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14942 * config/i386/i386.c (output_set_got): Output the label if we have one
14943 for the TARGET_DEEP_BRANCH_PREDICTION case.
14945 2006-01-19 Jan Hubicka <jh@suse.cz>
14946 H.J. Lu <hongjiu.lu@intel.com>
14947 Evandro Menezes <evandro.menezes@amd.com>
14949 * invoke.texi (generic): Document
14951 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
14952 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
14953 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
14954 (x86_use_incdec, x86_pad_returns): New variables
14955 (TARGET_CPU_DEFAULT_generic): New constant
14956 (TARGET_CPU_DEFAULT_NAMES): Add generic.
14957 (enum processor_type): Add generic32 and generic64.
14958 * i386.md (cpu attribute): Add generic32/generic64
14959 (movhi splitter): Behave sanely when both partial_reg_dependency and
14960 partial_reg_stall are set.
14961 (K8 splitters): Enable for generic as well.
14962 * predicates.md (incdec_operand): Use TARGET_INCDEC
14963 (aligned_operand): Avoid memory mismatch stalls.
14964 * athlon.md: Enable for generic64, new patterns for 128bit moves.
14965 * ppro.md: Enable for generic32
14966 * i386.c (generic64_cost, generic32_cost): New.
14967 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
14968 (x86_use_leave): Enable for generic64. (x86_use_sahf,
14969 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
14970 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
14971 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
14972 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
14973 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14974 x86_accumulate_outgoing_args, x86_prologue_using_move,
14975 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
14976 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
14977 Enable for generic.
14978 (x86_use_incdec, x86_pad_returns): New.
14979 (override_options): Add generic32 and generic64, translate "generic"
14980 to generic32/generic64 and "i686" to "generic32", refuse
14981 "generic32"/"generic64" as arch target.
14982 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
14983 (ix86_reorg): Honor PAD_RETURNS.
14985 2006-01-19 Diego Novillo <dnovillo@redhat.com>
14987 * tree-pretty-print.c (dump_generic_node): Handle
14988 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
14989 * cgraph.c (cgraph_expand_queue): Rename from
14990 cgraph_analyze_queue. Update all users.
14991 * cgraphunit.c (cgraph_assemble_pending_functions): Process
14992 cgraph_expand_queue.
14993 (cgraph_expand_all_functions): Likewise.
14994 (cgraph_finalize_pending_functions): Remove. Update callers.
14996 * tree.h (OMP_DIRECTIVE_P): Define.
14997 (OMP_PARALLEL_FN): Define.
14998 (OMP_PARALLEL_DATA_ARG): Define.
14999 (OMP_SECTIONS_SECTIONS): Define.
15000 * tree-pass.h (pass_expand_omp): Declare.
15001 * omp-low.c (struct omp_region): Declare.
15002 (struct omp_context): Remove fields 'parallel_type',
15003 'parallel_start_ix' and 'parallel_start_additional_args'.
15005 (struct omp_for_data): Rename from struct expand_omp_for_data.
15006 (omp_regions): New static variable.
15007 (root_omp_region): New static variable.
15008 (find_omp_clause): Make static.
15009 (is_in_combined_parallel_ctx): Remove.
15010 (is_combined_parallel): New.
15011 (extract_omp_for_data): Move earlier in the file.
15012 (workshare_safe_to_combine_p): New.
15013 (get_ws_args_for): New.
15014 (determine_parallel_type): Move earlier in the file.
15015 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
15017 (omp_copy_decl): Likewise.
15018 (create_omp_child_function): Likewise.
15019 (lookup_omp_region): New.
15020 (dump_omp_region): New.
15021 (debug_omp_region): New.
15022 (debug_all_omp_regions): New.
15023 (new_omp_region): New.
15024 (scan_omp_parallel): If parallel_nesting_level > 1, the
15025 directive is nested within another parallel directive.
15026 Set OMP_PARALLEL_FN.
15027 (scan_omp_for): Do not try to handle combined parallel+for
15029 Remove FIXME comment.
15030 (scan_omp_nested): Remove.
15031 (scan_omp_1): Do not call scan_omp_nested when
15032 parallel_nesting_level is > 1.
15033 Do not change the DECL_CONTEXT of local variables found.
15034 (lookup_decl_in_outer_ctx): New.
15035 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
15036 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
15037 (lower_reduction_clauses): Rename from expand_reduction_clauses.
15038 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
15039 If CTX is nested, lookup VAR in the outer context when
15040 building copy assignment.
15041 (lower_send_clauses): Rename from expand_send_clauses.
15042 If CTX is nested, lookup VAR in the outer context when
15043 building copy assignments.
15044 (lower_send_shared_vars): Rename from expand_send_shared_vars.
15045 If CTX is nested, lookup VAR in the outer context when
15046 building copy assignments.
15047 (expand_parallel_call): Rename from build_parallel_call.
15048 Handle combined parallel+workshare cases.
15049 Re-implement to emit code into the CFG.
15051 (expand_omp_parallel): Re-implement to emit code into the CFG.
15052 Call move_sese_region_to_fn to outline the sub-graph
15053 containing the parallel region.
15054 (expand_omp_for_1): Remove.
15055 (expand_omp_for_generic): Re-implement to emit code into the
15057 (expand_omp_for_static_nochunk): Likewise.
15058 (expand_omp_for_static_chunk): Likewise.
15059 (expand_omp_for): Likewise.
15060 (expand_omp_sections): Likewise.
15061 (remove_exit_barriers): New.
15062 (expand_omp_synch): New.
15064 (build_omp_regions_1): New.
15065 (build_omp_regions): New.
15066 (execute_expand_omp): New.
15067 (gate_expand_omp): New.
15068 (pass_expand_omp): Define.
15069 (lower_omp_sections): Rename from expand_omp_sections.
15070 Set OMP_SECTIONS_SECTIONS.
15071 (lower_omp_single_simple): Rename from expand_omp_single_simple.
15072 (lower_omp_single_copy): Rename from expand_omp_single_copy.
15073 (lower_omp_single): Rename from expand_omp_simple.
15074 (lower_omp_master): Rename from expand_omp_master.
15075 (lower_omp_ordered): Rename from expand_omp_ordered.
15076 (lower_omp_critical): Rename from expand_omp_critical.
15077 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
15078 (lower_omp_for): Re-implement.
15079 (lower_omp_parallel): Re-implement.
15080 (lower_regimplify): Rename from expand_regimplify.
15081 (lower_omp_1): Rename from expand_omp_1.
15082 If there are syntax errors in the program, replace every
15083 OpenMP directive with NOP.
15084 Call lower_omp_* instead of expand_omp_*.
15085 (lower_omp): Rename from expand_omp.
15087 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15088 * tree-gimple.h (enum omp_parallel_type): Remove.
15089 (gimple_boolify): Declare extern.
15090 (find_omp_clause, determine_parallel_type): Remove.
15092 * gimple-low.c (lower_omp_directive): New.
15093 (lower_stmt): Call it.
15094 (record_vars_into): Move from ...
15095 (record_vars): ... here.
15096 Call record_vars_into with current_function_decl.
15098 * gimplify.c (struct gimplify_ctx): Remove fields
15099 combined_pre_p and combined_ctxp. Update users.
15100 (get_formal_tmp_var): Add documentation.
15101 (gimple_boolify): Make extern.
15102 (gimplify_expr_in_ctx): Remove. Update callers.
15103 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15104 will always be a BIND_EXPR.
15105 (gimplify_expr): Handle OMP_RETURN_EXPR.
15106 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15107 (OMP_PARALLEL): Add 3 operands.
15108 (OMP_SECTIONS): Add 1 operand.
15109 (OMP_RETURN_EXPR): Define.
15111 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15112 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15113 * tree-iterator.c (alloc_stmt_list): Assert that we are not
15114 creating a circular free list.
15115 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15117 * tree-flow.h (move_sese_region_to_fn): Declare.
15118 (record_vars_into): Declare.
15119 * tree-cfg.c (make_omp_sections_edges): New.
15120 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15121 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15122 OMP_SECTIONS and OMP_SECTION.
15123 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15124 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15125 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15126 (gather_blocks_in_sese_region): New.
15127 (struct move_stmt_d): Declare.
15128 (move_stmt_r): New.
15129 (move_block_to_fn): New.
15130 (move_sese_region_to_fn): New.
15132 * passes.c (init_optimization_passes): Schedule
15133 pass_expand_omp after pass_init_datastructures.
15135 * tree-ssa-operands.c (get_expr_operands): Handle
15136 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15137 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15139 2006-01-19 Jeff Law <law@redhat.com>
15141 * tree-vrp.c (extract_range_from_assert): Refine the result range
15142 if the variable referenced by the ASSERT_EXPR has a range and
15143 either the tentative result range or the previous range is a
15146 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15148 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15150 2006-01-19 Jan Hubicka <jh@suse.cz>
15152 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15154 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
15156 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15157 (expand_compound_operation, expand_field_assignment): Fail if the
15158 bit lengths of an extract operation are out of range.
15159 (make_extraction): Compute wanted_inner_mode based on the position
15160 and length of the extraction. Make it extraction_mode for non-constant
15161 positions, and do not modify offset in that case. When generating a
15162 new MEM, use a mode that can hold the extraction while keeping correct
15163 alignment. Remove code that supported MEMs wrapped by USEs.
15164 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15166 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
15168 * config/s390/s390.md ("Y", "y"): New mode attribute.
15169 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15170 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15171 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15172 "*addsi3_imm_cc", "*addsi3_carry1_cc",
15173 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15174 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15175 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15176 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15177 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15178 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15179 "addsi3", "subsi3"): Insn patterns removed.
15180 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15181 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15182 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15183 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15184 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15185 "*sub<mode>3_cconly2"): New insn patterns.
15186 ("addsi3", "subsi3"): New expanders.
15188 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15190 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15191 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15192 existing STMT_VINFO_VECTYPE if available.
15193 (vect_mark_relevant): Add special handling for stmts that are
15194 marked as STMT_VINFO_IN_PATTERN_P.
15195 (vect_analyze_loop): Call vect_pattern_recog.
15196 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15197 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15199 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15200 (vect_recog_func_ptr): New function-pointer type.
15201 * tree-vect-patterns.c: New file.
15202 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15203 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15204 (vect_pattern_recog_1): New functions.
15205 (vect_pattern_recog_funcs): New array of function pointers.
15207 * tree-vectorizer.h (ternary_op): New enum value.
15208 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15209 declaration. Revised documentation. Removed redundant dump prints.
15210 Removed redundant argument. Added support for reduction patterns.
15211 (vectorizable_reduction): Added support for reduction patterns.
15212 (vect_transform_stmt): Added support for patterns.
15214 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15215 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15216 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15217 (expand_widen_pattern_expr): New function.
15218 (init_optabs): Initialize new optabs udot_prod_optab,
15220 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15221 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15222 (expand_widen_pattern_expr): New function declaration.
15223 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15225 * tree-inline.c (estimate_num_insns_1): Added cases for new
15226 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15227 * tree-pretty-print.c (dump_generic_node): Likewise.
15228 (op_prio): Likewise.
15229 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15230 * tree-ssa-operands.c (get_expr_operands): Added case for
15232 * tree-vect-patterns.c (widened_name_p): New function.
15233 (vect_recog_dot_prod_pattern): Added function implementation.
15234 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15235 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15236 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15237 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15239 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15240 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15241 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15242 (init_optabs): Initialize new optabs widen_ssum_optab,
15244 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15245 (widen_ssum_optab, widen_usum_optab): Define new optabs.
15246 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15247 use instead of type of def.
15248 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15249 function implementation.
15250 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15251 widen_ssumv8hi): New.
15253 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15256 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15259 * c-decl.c (add_flexible_array_elts_to_size): New function.
15260 (finish_decl): Use it.
15262 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
15264 * diagnostic.h: Include options.h.
15265 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15266 dependancies for diagnostic.h.
15267 * Makefile.in (DIAGNOSTIC_H): Add options.h.
15269 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
15271 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15272 (ssa_ro_call_cache_valid): Ditto.
15273 * tree-ssa-alias.c (sort_tags_by_id): New function.
15274 (init_transitive_clobber_worklist): Ditto.
15275 (add_to_worklist): Ditto.
15276 (mark_aliases_call_clobbered): Ditto.
15277 (compute_tag_properties): Ditto.
15278 (set_initial_properties): Ditto.
15279 (compute_call_clobbered): Ditto.
15280 (compute_may_aliases): Call compute_call_clobbered and grouping.
15281 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15282 (compute_flow_insensitive_aliasing): Grouping now happens in our
15284 (setup_pointers_and_addressables): Remove clobbering related code.
15285 (add_may_alias): Ditto.
15286 (replace_may_alias): Ditto.
15287 (get_nmt_for): Ditto.
15288 (create_global_var):
15289 (is_escape_site): Return an escape_type enumeration.
15290 * tree-flow-inline.h (is_call_clobbered): Global var does not
15291 imply call clobbered.
15292 (mark_call_clobbered): Take a reason for marking this. Remove
15293 marking of globalness, and cache invalidation.
15294 (clear_call_clobbered): Remove cache invalidation code.
15295 * tree-dfa.c (dump_variable): If details is on, dump the reason
15297 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15299 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15300 (struct var_ann_d): Ditto.
15301 (enum escape_type): New.
15302 (mark_call_clobbered): Adjust prototype.
15303 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15304 are never call clobbered.
15305 Record reasons for escaping.
15306 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15307 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15308 (ssa_ro_call_cache_valid): Ditto.
15309 (clobbered_v_may_defs): Ditto.
15310 (clobbered_vuses): Ditto.
15311 (ro_call_vuses): Ditto.
15312 (clobber_stats): New.
15313 (init_ssa_operands): Zero out clobber stats.
15314 (fini_ssa_operands): Print out clobber stats.
15315 (get_call_expr_operands): Pass callee fndecl to
15316 add_call_read_ops).
15317 (add_call_clobber_ops): Remove use of cache.
15318 Add use of PURE_CONST information.
15319 (add_call_read_ops): Remove use of cache.
15320 Add use of static not_read information.
15322 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15324 Introduce TLS descriptors for i386 and x86_64.
15325 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15326 (TARGET_ANY_GNU_TLS): New macro.
15327 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15328 (struct machine_function): Add tls_descriptor_call_expanded_p.
15329 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15330 (ix86_current_function_calls_tls_descriptor): Likewise.
15331 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15332 (override_options): Introduce gnu2 tls dialect.
15333 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15335 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15337 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15338 (ix86_init_machine_status): Initialize new field.
15339 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15340 (ix86_tls_module_base): New.
15341 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15342 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15343 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15344 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15345 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15346 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15347 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15348 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15349 * config/i386/predicates.md (tls_modbase_operand): New.
15350 (tp_or_register_operand): New.
15352 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15354 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15355 (look_for_address_of): Ditto.
15356 (ipa_init): Walk the function decls.
15357 (static_execute): Don't set readonly on FUNCTION_DECL's.
15359 2006-01-18 Roger Sayle <roger@eyesopen.com>
15361 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15362 for shifts where the source and destination registers are different.
15364 2006-01-18 Paul Brook <paul@codesourcery.com>
15366 Merge from csl-arm-branch.
15367 2005-03-14 Julian Brown <julian@codesourcery.com>
15368 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15369 (aeabi_llsl): Likewise.
15370 (ashrdi3): Likewise.
15371 (aeabi_lasr): Likewise.
15372 (lshrdi3): Likewise.
15373 (aeabi_llsr): Likewise.
15374 2005-03-10 Julian Brown <julian@codesourcery.com>
15375 * config.gcc: Disable shared libgcc for SymbianOS.
15376 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15378 2006-01-18 DJ Delorie <dj@redhat.com>
15380 * c-pragma.c (handle_pragma_diagnostic): New.
15381 (init_pragma): Register it.
15382 * doc/extend.texi: Document it.
15384 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15385 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15386 (diagnostic_context): Add classify_diagnostic[].
15387 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15388 as errors if they're overridden to DK_WARNING.
15389 (diagnostic_initialize): Initialize classify_diagnostic[].
15390 (diagnostic_set_kind_override): New.
15391 (diagnostic_report_diagnostic): Check for kind changes.
15392 * opts.c (common_handle_option): Take lang_mask. Update callers.
15393 Handle OPT_Werror_.
15394 * common.opt (Werror=): New.
15395 * doc/invoke.texi: Document -Werror=*
15397 2006-01-18 Jeff Law <law@redhat.com>
15399 * tree-vrp.c (test_for_singularity): Correct test for new
15400 min limit. Use operand_equal_p rather than pointer equality
15401 for testing if new min/max values are equal.
15403 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15404 using range information until after propagation and folding.
15406 2006-01-18 Richard Henderson <rth@redhat.com>
15407 Aldy Hernandez <aldyh@redhat.com>
15408 Jakub Jelinek <jakub@redhat.com>
15409 Diego Novillo <dnovillo@redhat.com>
15411 * omp-low.c: New file.
15412 * c-omp.c: New file.
15414 2006-01-18 Richard Henderson <rth@redhat.com>
15415 Jakub Jelinek <jakub@redhat.com>
15416 Diego Novillo <dnovillo@redhat.com>
15418 * doc/invoke.texi: Document -fopenmp.
15419 * tree-dump.h (debug_function): Declare.
15420 * hooks.c (hook_bool_tree_bool_false): New function.
15421 (hook_tree_tree_null): Remove.
15422 (hook_tree_tree_tree_null): New.
15423 * hooks.h: Update to match.
15424 * tree-pretty-print.c (debug_tree_chain): New.
15425 (print_generic_expr): Handle TDF_CHAIN.
15426 (dump_generic_node): Handle BLOCK.
15427 Do not abort with incomplete SWITCH_EXPRs.
15428 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15429 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15430 print space after directive name.
15431 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15432 Handle OMP_MASTER and OMP_ORDERED.
15433 Handle printing of OMP_BODY just in one place, goto
15434 dump_omp_body in the rest of OMP_* nodes that have
15436 Don't handle clause nodes here. Update omp statements to
15437 use dump_omp_clauses.
15438 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15439 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15440 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15441 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15442 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15443 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15444 Adjust output for GOMP_PARALLEL.
15445 (dump_omp_clauses): New.
15446 (print_declaration): Dump DECL_VALUE_EXPR.
15447 (op_symbol_1): Split out of op_symbol.
15448 (dumping_stmts): Remove. Update all users.
15449 * cgraph.c (cgraph_analyze_queue): New.
15450 (cgraph_add_new_function): New.
15451 * cgraph.h (cgraph_analyze_queue): Declare.
15452 (cgraph_add_new_function): Declare.
15453 (cgraph_lower_function): Remove.
15454 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15455 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15456 and TYPE_P nodes in its default clause.
15457 (empty_body_p): New.
15458 (tree_range_check_failed): New.
15459 (build5_stat): New.
15460 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15461 OMP_CLAUSE_REDUCTION_MERGE,
15462 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15463 OMP_CLAUSE_PRIVATE_DEBUG,
15464 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15465 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15466 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15467 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15468 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15469 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15470 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15471 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15472 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15473 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15474 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15475 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15476 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15477 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15478 (TREE_RANGE_CHECK): New.
15479 (empty_body_p): Declare.
15480 (enum omp_clause_default_kind): New.
15481 (build_string_literal): Declare.
15482 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15483 (build5_stat, build5): Declare.
15484 * tree-pass.h (TDF_CHAIN): Define.
15485 * tree-pass.h (PROP_gimple_lomp): Define.
15486 (pass_lower_omp): Declare.
15487 * diagnostic.h (debug_tree_chain): Declare.
15488 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15490 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15491 * builtins.c (build_string_literal): Make extern.
15492 * gcc.c (include_spec_function): New.
15493 (static_spec_functions): Add it.
15494 (main): Move load of libgomp.spec ...
15495 (LINK_COMMAND_SPEC): ... here.
15496 (link_gomp_spec): New.
15497 (static_specs): Include it.
15498 (LINK_COMMAND_SPEC): Add link_gomp.
15499 (GOMP_SELF_SPECS): New.
15500 (driver_self_specs): Include it.
15501 (switch_matches): Don't mark inline.
15502 (main): Load libgomp.spec.
15503 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15504 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15505 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15506 * tree-gimple.h (enum omp_parallel): Declare.
15507 (determine_parallel_type): Declare.
15508 (omp_firstprivatize_variable): Declare.
15509 (omp_reduction_init): Declare.
15510 (diagnose_omp_structured_block_errors): Declare.
15511 (struct walk_stmt_info): Add want_return_expr.
15512 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15513 (find_omp_clause): Declare.
15514 (insert_field_into_struct): Declare.
15515 (struct walk_stmt_info): Move from tree-nested.c
15516 (walk_stmts): Declare.
15517 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15519 * cgraphunit.c (cgraph_lower_function): Make static.
15520 (cgraph_finalize_pending_functions): New.
15521 (cgraph_finalize_function): Call it.
15522 (cgraph_finalize_compilation_unit): Likewise.
15523 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15524 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15525 (BT_FN_UINT_UINT): New.
15526 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15527 DEF_FUNCTION_TYPE_VAR_4): Document.
15528 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15529 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15530 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15531 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15532 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15533 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15534 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15535 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15536 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15537 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15538 into separate files.
15539 (DEF_GOMP_BUILTIN): New.
15540 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15541 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15542 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15543 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15544 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15545 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15546 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15547 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15548 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15549 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15550 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15551 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15552 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15553 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15554 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15555 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15556 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15557 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15558 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15559 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15560 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15561 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15562 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15563 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15564 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15565 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15566 * sync-builtins.def: New file, moved from builtins.def.
15567 * omp-builtins.def: New file, moved from builtins.def.
15568 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15569 * gimple-low.c (lower_function_body): Clear data.
15570 (lower_stmt): Do not handle COMPOUND_EXPR.
15571 Remove call to print_node_brief.
15572 * c-tree.h (c_finish_omp_clauses): New prototype.
15573 (C_DECL_THREADPRIVATE_P): Define.
15574 (lookup_name_no_remap, c_omp_remap_private): Remove
15575 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15576 (check_for_loop_decls): Update decl.
15577 (lookup_name_no_remap, c_omp_remap_private): Declare.
15578 (build_indirect_ref, build_modify_expr, pushdecl,
15579 pushdecl_top_level): Move to c-common.h.
15580 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15581 before the switch, but just in the 2 places that need it.
15582 * c-decl.c (diagnose_mismatched_decls): Do not check for
15583 mismatched thread-local attributes when OLDDECL is marked
15584 threadprivate and NEWDECL has no thread-local attributes.
15585 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15586 (c_gimple_diagnostics_recursively): Rename from
15587 c_warn_unused_result_recursively. Invoke
15588 diagnose_omp_structured_block_errors.
15589 (check_for_loop_decls): Return a singular decl found.
15590 * langhooks.c (lhd_omp_predetermined_sharing): Return
15591 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15592 (lhd_omp_firstprivatize_type_sizes): New.
15593 (lhd_omp_assignment): New.
15594 (lhd_omp_predetermined_sharing): New.
15595 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15596 (struct lang_hooks_for_types): Add
15597 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15598 omp_predetermined_sharing, omp_disregard_value_expr,
15599 omp_private_debug_clause, omp_clause_default_ctor,
15600 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15601 (c_finish_omp_clauses): New.
15602 (c_finish_bc_stmt): Diagnose break within omp for.
15603 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15604 (build_unary_op): Return error_mark after reporting
15606 (build_modify_expr): Likewise.
15607 * gimplify.c: Include optabs.h and pointer-set.h.
15608 (enum gimplify_omp_var_data): Declare.
15609 (struct gimplify_omp_ctx): Declare.
15610 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15612 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15613 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15614 (splay_tree_compare_decl_uid): New.
15615 (new_omp_context): New.
15616 (delete_omp_context): New.
15617 (gimple_add_tmp_var): Call omp_add_variable.
15618 (gimplify_bind_expr): Likewise.
15619 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15620 true, disregard DECL_VALUE_EXPR on the decl if any.
15621 (gimplify_expr_in_ctx): New.
15622 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15623 omp_add_variable, omp_notice_variable, omp_is_private
15624 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15625 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15626 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15627 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15628 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15629 gimplify_omp_atomic): New.
15630 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15631 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15632 OMP_CRITICAL and OMP_ATOMIC.
15633 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15634 * c-pragma.h (enum pragma_kind): Add
15635 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15636 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15637 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15638 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15639 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15640 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15641 PRAGMA_OMP_THREADPRIVATE.
15642 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15643 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15644 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15645 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15646 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15647 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15648 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15649 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15650 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15651 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15652 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15653 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15654 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15656 (struct nesting_info): Add field_map,
15657 suppress_expansion, debug_var_chain.
15658 (create_nesting_tree): Initialize them.
15659 (lookup_field_for_decl): Use field_map.
15660 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15661 (convert_local_omp_clauses): New.
15662 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15663 (walk_body): Split out of walk_function.
15664 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15665 (convert_nonlocal_reference): Handle omp statements.
15666 (convert_local_reference): Likewise.
15667 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15668 (unnest_nesting_tree): New.
15669 (lower_nested_functions): Call it.
15670 (insert_field_into_struct): Make extern.
15671 (struct walk_stmt_info): Move to tree-gimple.h.
15672 (walk_stmts): Make extern.
15673 * omp-builtins.def: New file.
15674 * tree-iterator.c (expr_only): Clarify comment.
15675 * c-common.h (pushdecl_top_level, pushdecl,
15676 build_modify_expr, build_indirect_ref,
15677 c_finish_omp_master, c_finish_omp_critical,
15678 c_finish_omp_ordered, c_finish_omp_barrier,
15679 c_finish_omp_atomic, c_finish_omp_flush,
15680 c_finish_omp_for, c_split_parallel_clauses,
15681 omp_clause_default_kind, c_omp_sharing_predetermined,
15682 c_omp_remap_decl): Declare.
15683 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15684 (OBJS-common): Add omp-low.o.
15685 (c-omp.o, omp-low.o): Add.
15686 (gimplify.o): Add dependency on $(OPTABS_H).
15687 (GTFILES): Add omp-low.c.
15688 (gt-stringpool.h): Add.
15689 * tree-cfg.c (set_bb_for_stmt): Do not update the
15690 block-to-labels map if we are currently expanding to RTL.
15691 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15693 Handle IDENTIFIER_NODE.
15694 (tree_verify_flow_info): Do not ICE when emitting error
15695 messages about invalid labels.
15696 (dump_function_to_file): Reset CFUN before emitting the body
15698 (debug_function): New.
15699 * passes.c (init_optimization_passes): Schedule
15701 * langhooks-def.h (lhd_omp_predetermined_sharing,
15702 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15704 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15705 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15706 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15707 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15708 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15709 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15710 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15711 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15712 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15713 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15714 (LANG_HOOK_DECLS): Use them.
15716 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15717 Richard Henderson <rth@redhat.com>
15718 Jakub Jelinek <jakub@redhat.com>
15719 Diego Novillo <dnovillo@redhat.com>
15721 * c-parser.c (pragma_omp_clause): Define.
15722 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15723 (c_parser_compound_statement): Likewise.
15724 (c_parser_statement): Likewise.
15725 (c_parser_pragma): Handle omp pragmas.
15726 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15727 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15728 (c_parser_omp_clause_name, check_no_duplicate_clause,
15729 c_parser_omp_variable_list,
15730 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15731 c_parser_omp_clause_copyprivate,
15732 c_parser_omp_clause_default,
15733 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15734 c_parser_omp_clause_lastprivate,
15735 c_parser_omp_clause_nowait,
15736 c_parser_omp_clause_num_threads,
15737 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15738 c_parser_omp_clause_reduction,
15739 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15740 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15741 c_parser_omp_atomic, c_parser_omp_barrier,
15742 c_parser_omp_critical, c_parser_omp_flush,
15743 c_parser_omp_for_loop, c_parser_omp_for,
15744 c_parser_omp_master, c_parser_omp_ordered,
15745 c_parser_omp_sections_scope, c_parser_omp_sections,
15746 c_parser_omp_parallel, c_parser_omp_single,
15747 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15748 * c-pragma.c (init_pragma): Do omp pragma registration here.
15749 * c.opt (fopenmp): New flag.
15751 2006-01-18 Eric Christopher <echristo@apple.com>
15753 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15754 * config/darwin.h (GOMP_SELF_SPECS): Define.
15756 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15758 * rtl.h: Remove the prototype for reg_alloc.
15760 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15763 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15764 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15765 sjlj and dwarf2 exception handling.
15766 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15767 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15768 * pa/pa.c (function_value): Treat complex and vector types as
15770 (function_arg): Likewise. Only pass scalar floats in the floating
15771 point argument registers.
15772 * pa/t-slibgcc-dwarf-ver: New file.
15773 * pa/t-slibgcc-sjlj-ver: New file.
15774 * pa/t-slibgcc-elf-ver: Delete file.
15776 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15778 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15779 unlikely_test_section_p test.
15781 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15783 * mode-switching.c (optimize_mode_switching): Make it static.
15784 * basic-block.h: Remove the prototype for
15785 optimize_mode_switching.
15787 * modulo-sched.c (sms_schedule): Make it static.
15788 * rtl.h: Remove the prototype for sms_schedule.
15790 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15791 * rtl.h: Remove the prototype for gcse_after_reload_main.
15793 * reg-stack.c (reg_to_stack): Make it static.
15794 * rtl.h: Remove the prototype for reg_to_stack.
15796 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15798 * rtl.h: Remove the prototypes for regrename_optimize and
15799 copyprop_hardreg_forward.
15801 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15803 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15804 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15805 Test against the appropriate null constant for the mode.
15806 If 'fixup_overlap' is true, swap the operands if they overlap.
15807 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15808 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15809 alpha_split_tmode_pair and adjust for above change.
15810 * config/alpha/alpha.md (movtf_internal): Adjust call to
15811 alpha_split_tfmode_pair and rely on it to swap the operands.
15812 (movti_internal): New insn and post-reload splitter.
15813 (movti): New expander.
15815 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15817 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15820 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15822 * rtlanal.c (global_reg_mentioned_p_1,
15823 global_reg_mentioned_p): Remove.
15824 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15826 * flow.c (initialize_uninitialized_subregs): Make it static.
15827 * rtl.h: Remove the prototype for
15828 initialize_uninitialized_subregs.
15830 * function.c (instantiate_virtual_regs): Make it static.
15831 * function.h: Remove the prototype for
15832 instantiate_virtual_regs.
15834 * regmove.c (regmove_optimize, combine_stack_adjustments):
15836 * rtl.h: Remove the prototypes for regmove_optimize and
15837 combine_stack_adjustments.
15839 2006-01-17 Roger Sayle <roger@eyesopen.com>
15841 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15842 (size_cost): Encode costs in bytes so that a reg-reg addition is
15843 equivalent to COSTS_N_INSNS(1).
15844 (override_options): Use the size_cost.branch_cost as the default
15845 ix86_branch_cost when optimizing for size.
15847 2006-01-18 Ben Elliston <bje@au.ibm.com>
15849 * Makefile.in (D32PBIT_FUNCS): New.
15850 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15851 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15852 D64PBIT_FUNCS and D128PBIT_FUNCS.
15853 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15854 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15856 (decnumber_dep): Define.
15857 * doc/libgcc.texi (Decimal float library routines): New node.
15858 * config/dfp-bit.h, config/dfp-bit.c: New files.
15860 2006-01-18 Ben Elliston <bje@au.ibm.com>
15862 * expr.c (emit_move_change_mode): Always adjust addresses, not
15863 just during reload. Copy replacements only during reload.
15864 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
15865 emit_move_via_integer.
15867 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
15869 * Makefile.in (check-%, check-consistency): Use $${srcdir}
15870 instead of $(srcdir) and ${srcdir}.
15872 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
15875 PR middle-end/11135
15876 * arm.h (struct machine_function): Add pic_reg.
15877 * arm.c (arm_pic_register): Make unsigned.
15878 (arm_override_options): Only set arm_pic_register if
15879 TARGET_SINGLE_PIC_BASE.
15880 (use_return_insn): Only test for a pic register if it is fixed.
15881 (arm_compute_save_reg0_reg12_mask): Likewise.
15882 (thumb_compute_save_reg_mask): Likewise.
15883 (legitimate_pic_operand): Factor out some known invariants.
15884 (legitimize_pic_address): If we don't have a fixed pic register,
15885 then set up a pseudo in the function entry sequence. Handle the
15886 pic base being in a pseudo.
15887 (arm_load_pic_register): Handle the pic register being in a pseudo.
15888 (arm_expand_prologue): Only set up the pic register if it is fixed.
15889 (thumb_expand_prologue): Likewise.
15890 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15891 (pic_load_addr_based_insn): Likewise.
15892 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15895 2006-01-18 Ben Elliston <bje@au.ibm.com>
15897 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15898 decimal float modes for all floating point registers.
15900 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15901 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15903 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15906 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15907 even when the pointer is not NULL.
15909 2006-01-16 Ian Lance Taylor <ian@airs.com>
15911 * common.opt (ftoplevel-reorder): New option.
15912 * cgraph.c (cgraph_asm_nodes): New global variable.
15913 (cgraph_asm_last_node): New static variable.
15914 (cgraph_order): New global variable.
15915 (cgraph_create_node): Set new order field.
15916 (cgraph_varpool_node): Likewise.
15917 (decide_is_variable_needed): Return true if not
15918 flag_toplevel_reorder.
15919 (cgraph_add_asm_node): New function.
15920 * cgraph.h (struct cgraph_node): Add order field.
15921 (struct cgraph_varpool_node): Add order field.
15922 (struct cgraph_asm_node): Define.
15923 (cgraph_asm_nodes, cgraph_order): Declare.
15924 (cgraph_add_asm_node): Declare.
15925 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15927 (cgraph_varpool_assemble_pending_decls): Call it.
15928 (cgraph_output_pending_asms): New static function.
15929 (cgraph_finalize_compilation_unit): Call it.
15930 (struct cgraph_order_sort): Define.
15931 (cgraph_output_in_order): New static function.
15932 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15933 !flag_toplevel_reorder case.
15934 * c-parser.c: Include "cgraph.h".
15935 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
15937 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15938 than -fno-unit-at-a-time.
15939 * doc/invoke.texi (Option Summary): Mention
15940 -fno-toplevel-reorder.
15941 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15942 -funit-at-a-time documentation.
15944 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
15945 Kazu Hirata <kazu@codesourcery.com>
15947 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
15949 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
15951 * Makefile.in (FUNCTION_H): New. Use it instead of
15952 function.h throughout the file.
15953 * function.h: Include tree.h.
15955 2006-01-17 Ben Elliston <bje@au.ibm.com>
15957 * recog.c: Separate some functions with whitespace.
15959 2006-01-16 Richard Henderson <rth@redhat.com>
15961 Merge from gomp branch:
15962 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
15963 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
15964 and rename from struct inline_data. Rename callee* to dst*;
15965 caller* to src*; add copy_decl hook, transform_call_graph_edges,
15966 transform_new_cfg, transform_return_to_modify, and
15967 transform_lang_insert_block flags; remove cloning_p, versioning_p,
15969 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
15970 (copy_decl_for_dup): Remove.
15971 * tree-inline.c (struct inline_data): Move to header.
15972 (insert_decl_map): Export.
15973 (remap_decl): Update for member name changes. Use copy_decl hook.
15974 Allow for replacement to be a non-decl. Remove dead code.
15975 (remap_type_1): Check for existing mapping.
15976 (remap_type): Export.
15977 (remap_decls): Update for member name changes.
15978 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
15979 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
15980 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
15981 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
15982 (tree_function_versioning, build_duplicate_type): Likewise.
15983 (copy_body_r): Likewise. Export.
15984 (copy_decl_for_dup): Split into ...
15985 (copy_decl_for_dup_finish, copy_decl_to_var,
15986 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
15987 (replace_ref_tree, inlining_p): Remove.
15989 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15991 * ifcvt.c (if_convert): Make it static.
15992 * rtl.h: Remove the prototype for if_convert.
15994 * local-alloc.c (local_alloc): Make it static.
15995 * rtl.h: Remove the prototype for local_alloc.
15997 * loop.c (loop_optimize): Make it static.
15998 * cfgloop.h: Remove the prototype for loop_optimize.
16001 2006-01-16 DJ Delorie <dj@redhat.com>
16003 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16006 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16008 * pa.md: Disparage copies between general and floating-point registers
16009 in 32-bit move patterns.
16011 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
16014 * Makefile.in (check-%): Depend on site.exp instead of
16015 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
16018 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16020 * global.c (global_alloc): Make it static.
16021 * rtl.h: Remove the prototype for global_alloc.
16023 2006-01-16 Richard Guenther <rguenther@suse.de>
16025 * tree-ssa-alias.c (struct used_part): Add write_only field.
16026 (get_or_create_used_part_for): Initialize it to true.
16027 (create_overlap_variables_for): Don't create structure variables
16028 for structures that only are written to.
16029 (find_used_portions): Handle MODIFY_EXPR to track whether a
16030 structure is only written to.
16032 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16034 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
16036 * basic-block.h: Remove the prototype for
16037 partition_hot_cold_basic_blocks.
16039 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
16041 * cppspec.c (lang_specific_spec_functions): Remove.
16042 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
16043 * gcc.h (lang_specific_spec_functions): Remove.
16044 * gccspec.c (lang_specific_spec_functions): Remove.
16046 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
16048 * combine.c (record_value_for_reg): Invalidate registers
16050 (record_dead_and_set_regs_1): Likewise, by passing them to
16051 record_value_for_reg.
16052 (record_dead_and_set_regs): Invalidate stores made by a
16053 call. We do not combine across a call, but we still
16054 relied on equivalences.
16056 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16058 * tree-vrp.c (extract_range_from_binary_expr): Cope with
16059 vrp_int_const_binop returning non-constant nodes.
16061 2006-01-16 Paul Brook <paul@codesourcery.com>
16063 * config/m68k/m68k.c (output_move_const_into_data_reg):
16064 Output correct mnemonic for mvz and mvs.
16066 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
16068 * rtl-factoring.c: Add sequence abstraction algorithm.
16069 * cfgcleanup.c (outgoing_edges_match): Extra checks.
16070 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16072 (block_has_preserve_label): New function.
16073 * common.opt: Register new pass.
16074 * Makefile.in: Ditto.
16076 * timevar.def: Ditto.
16077 * tree-pass.h: Ditto.
16078 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16079 * rtl.h (make_jump_insn_raw): Add forward decl.
16080 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
16082 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16083 Roger Sayle <roger@eyesopen.com>
16085 * fold-const.c (fold_minmax): New static function.
16086 (fold_binary) <MIN_EXPR>: Call it.
16087 <MAX_EXPR>: Likewise.
16088 * stor-layout.c (place_field): Use DECL_SIZE consistently
16089 in the computation of the new record size.
16091 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16093 * cse.c (cse_condition_code_reg): Make it static.
16094 * rtl.h: Remove the prototype for cse_condition_code_reg.
16096 * combine.c (combine_instructions): Make it static.
16097 * rtl.h: Remove the prototype for combine_instructions.
16099 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16102 * tree.c (get_file_function_name_long): Concatenate the first global
16103 object name with a string derived from the input filename of the object
16106 2006-01-16 Ben Elliston <bje@au.ibm.com>
16108 * config/i386/winnt-stubs.c: Update FSF address.
16109 * config/xtensa/ieee754-df.S: Ditto.
16110 * config/xtensa/ieee754-sf.S: Ditto.
16112 2006-01-14 Ian Lance Taylor <ian@airs.com>
16114 * ifcvt.c (noce_init_if_info): New static function, broken out of
16115 noce_process_if_block.
16116 (noce_process_if_block): Call noce_init_if_info.
16117 (check_cond_move_block): New static function.
16118 (cond_move_process_if_block): New static function.
16119 (process_if_block): Call cond_move_process_if_block.
16121 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
16123 * cselib.c (hash_table): Rename to cselib_hash_table.
16124 (cselib_clear_table, discard_useless_values,
16125 remove_useless_values, cselib_lookup_mem, cselib_lookup,
16126 cselib_init, cselib_finish): Adjust uses of hash_table.
16128 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
16130 PR tree-optimization/25485
16131 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16132 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16133 is known to be false and true, respectively.
16135 2006-01-14 Richard Guenther <rguenther@suse.de>
16137 PR tree-optimization/22548
16138 PR tree-optimization/22555
16139 PR tree-optimization/22501
16140 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16141 * params.def (salias-max-array-elements): New parameter.
16142 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16143 * doc/invoke.texi (salias-max-array-elements): Document.
16144 * tree-flow-inline.h (var_can_have_subvars): We also handle
16146 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16148 * tree-ssa-structalias.c (params.h): Include.
16149 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16150 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16151 (get_constraint_for): For ADDR_EXPR operating on something
16152 containing an ARRAY_REF, add all subvars to the solution.
16153 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16154 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16155 for creating MUST_DEFs.
16156 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16158 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16160 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16162 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16163 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16164 number_of_iterations_le): New functions.
16165 (number_of_iterations_special): Removed.
16166 (number_of_iterations_exit): Do not use number_of_iterations_special.
16167 * tree.c (unsigned_type_for): Always return integer type.
16169 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
16170 Richard Guenther <rguenther@suse.de>
16172 PR rtl-optimization/24257
16173 * gcse.c (find_moveable_store): Only consider a store movable
16174 when the SET_SRC of the insn can be assigned to a register.
16176 2006-01-14 Ian Lance Taylor <ian@airs.com>
16178 * tree.c (tree_not_class_check_failed): New function.
16179 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16180 (tree_not_class_check_failed): Declare.
16182 2006-01-13 Ian Lance Taylor <ian@airs.com>
16184 * reload1.c (do_output_reload): Add assertion rejecting a
16187 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16189 * combine.c (struct reg_stat): Add new fields truncation_label and
16191 (record_value_for_reg): Reset truncated_to_mode.
16192 (record_truncated_value): New function.
16193 (check_promoted_subreg): Call it. Rename to check_conversions.
16194 (combine_instructions): Rename check_promoted_subreg to
16196 (reg_truncated_to_mode): New function.
16197 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16198 (gen_lowpart_or_truncate): New function.
16199 (force_to_mode): Use it instead of gen_lowpart.
16201 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16203 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16204 VAR is a tag, not its type tag.
16206 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16208 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16209 alternatives to match style of other entries.
16210 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16212 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16214 PR tree-optimization/25771
16215 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16218 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16221 * tree-inline.c (declare_return_variable): If the return variable
16222 was marked as a non gimple complex, set the return slot variable
16223 to be a non gimple comple variable.
16225 2006-01-13 Richard Guenther <rguenther@suse.de>
16227 * builtins.c (expand_builtin_sincos): New function.
16228 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16230 (expand_builtin): Expand sincos using expand_builtin_sincos.
16232 2006-01-12 DJ Delorie <dj@redhat.com>
16234 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16235 shift counts, separate SI shifts for m32c vs m16c, pass shift type
16236 so that constant shifts can be split.
16237 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16238 (m32c_valid_pointer_mode): Make static.
16239 (shift_gen_func_for): New.
16240 (m32c_prepare_shift): Use it. Split large const shifts into
16242 * config/m32c/predicates.md (shiftcount_operand): Allow more
16244 (longshiftcount_operand): New.
16245 * doc/md.texi (Machine Constraints): Document In6.
16247 2006-01-13 Ben Elliston <bje@au.ibm.com>
16249 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16250 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16253 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
16255 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16256 to try to avoid clobbering pieces of structures when we know
16257 something about the whole structure.
16258 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16260 2006-01-13 Ben Elliston <bje@au.ibm.com>
16262 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16263 return in memory, as this is no limitation is no longer present.
16265 2006-01-12 DJ Delorie <dj@redhat.com>
16267 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16268 mova with fb, and for fb+0 -> An.
16270 * config/m32c/mov.md (peephole2): Fix enabling logic.
16272 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16273 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16274 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16275 FINI_ARRAY_SECTION_ASM_OP): Define.
16277 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16279 (m32c_legitimize_reload_address): New logic to reload FB to An.
16280 (m32c_output_reg_push): Add newline.
16281 (m32c_output_reg_pop): Likewise.
16283 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16285 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16287 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16289 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16291 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16293 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16296 2006-01-11 Ben Elliston <bje@au.ibm.com>
16298 * rtlanal.c (find_reg_note): Assert insn is not null.
16300 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16302 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16305 2006-01-11 Jeff Law <law@redhat.com>
16307 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16309 (mark_threaded_blocks, register_jump_thread): New functions.
16310 (thread_through_all_blocks): Remove unwanted argument. No
16311 longer rely on e->aux to communicate thread target info.
16312 Call mark_threaded_blocks. Release the threaded_blocks
16313 bitmap and threaded_edges vector when complete.
16314 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16315 (threaded_blocks): Remove.
16316 (tree_ssa_dominator_optimize): Remove initialization and
16317 finalization of threaded_blocks. Simplify call to
16318 thread_through_all_blocks.
16319 (thread_across_edge): Call register_jump_thread rather than
16320 storing thread information into e->aux.
16321 (free_all_edge_infos): Simplify now that e->aux is no longer
16322 used to communicate with thread_through_all_blocks.
16323 * tree-flow.h (thread_through_all_blocks): Update prototype.
16324 (register_jump_thread): Prototype.
16326 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16328 * df-core.c (df_compact_blocks, df_bb_replace): Use
16329 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16331 2006-01-11 Richard Guenther <rguenther@suse.de>
16333 PR tree-optimization/25734
16334 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16335 stop propagation after successful propagation to the LHS.
16337 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16339 * basic-block.h (control_flow_graph): Change the type of
16340 x_basic_block_info to VEC(basic_block,gc) *.
16341 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16343 (SET_BASIC_BLOCK): New.
16344 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16345 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16346 * cfgbuild.c (find_basic_blocks): Likewise.
16347 * cfglayout.c (fixup_reorder_chain): Likewise.
16348 * cfgrtl.c (create_basic_block_structure,
16349 rtl_create_basic_block): Likewise.
16350 * ifcvt.c (find_if_case_1): Likewise.
16351 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16354 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16356 * Makefile.in: Removed rotted odf.c entry.
16358 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16361 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16362 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16363 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16364 output pattern modifier, not %e.
16365 * config/cris/cris.c (cris_op_str): Update comment about pattern
16367 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16368 before falling through into...
16369 <case 'E'>: Redefined from old 'e' case.
16371 2006-01-11 Jan Hubicka <jh@suse.cz>
16374 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16376 2006-01-11 Jan Hubicka <jh@suse.cz>
16378 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16379 * i386.c (x86_decompose_lea): Kill.
16380 (ix86_rtx_costs): Kill.
16382 2006-01-11 Jan Hubicka <jh@suse.cz>
16384 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16385 * cgraph.h (cgraph_node): Add inline_decl.
16386 (cgraph_insert_node_to_hashtable): Declare.
16387 (save_inline_function_body): Declare.
16388 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16390 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16391 (cgraph_function_versioning): Update call of tree_function_versioning.
16392 (save_inline_function_body): New function.
16393 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16394 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16395 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16396 (cgraph_default_inline_p): Likewise.
16397 (cgraph_decide_inlining_incrementally): Likewise.
16398 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16399 (copy_bb): Kill saving; do updating of clones.
16400 (copy_cfg_body): Kill saving.
16401 (initialize_inlined-parameters): Likewise.
16402 (expand_call_inline): Likewise.
16404 (tree_function_versioning): New parameter "update_clones".
16405 (inlining_p): Kill saving.
16406 * tree-inline.h (tree_function_versioning): Update prototype.
16407 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16410 2006-01-11 Ian Lance Taylor <ian@airs.com>
16412 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16413 Allow undoing set of machine mode.
16414 (do_SUBST): Use enums instead of is_int.
16415 (do_SUBST_MODE): New function.
16416 (SUBST_MODE): New macro.
16417 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16418 reg and trying to replace reg_regno_rtx with a new register.
16419 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16420 (simplify_set): Use SUBST_MODE.
16421 (distribute_notes): Remove code that tried to update reg notes
16422 for regno_reg_rtx changes.
16424 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16426 PR tree-optimization/23109
16427 PR tree-optimization/23948
16428 PR tree-optimization/24123
16430 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16431 * tree-cfg.c (single_noncomplex_succ): New.
16432 * tree-flow.h (single_noncomplex_succ): Declare it.
16433 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16434 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16435 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16436 insert_bb, register_division_in, insert_reciprocals,
16437 replace_reciprocal, free_bb): New.
16438 (execute_cse_reciprocals_1): Rewritten.
16439 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16440 Do not commit any edge insertion. Always compute dominators and
16441 create the allocation pool.
16442 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16443 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16444 * targhooks.c (default_min_divistions_for_recip_mul): New.
16445 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16446 * passes.c (init_optimization_passes): Run recip after tree loop
16448 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16450 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16451 Kenneth Zadeck <zadeck@naturalbridge.com>
16453 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16454 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16455 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16456 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16457 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16458 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16459 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16460 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16461 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16462 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16463 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16464 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16465 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16466 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16467 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16468 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16469 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16470 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16471 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16472 DF_SCAN_POST_ALLOC): New macros.
16473 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16474 df_free_bb_function, df_local_compute_function, df_init_function,
16475 df_dataflow_function, df_confluence_function_0,
16476 df_confluence_function_n, df_transfer_function,
16477 df_finalizer_function, df_free_function, df_dump_problem_function,
16478 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16479 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16480 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16481 df_urec_bb_info, ) New types.
16482 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16484 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16485 df_analyze_simple_change_some_blocks,
16486 df_analyze_simple_change_one_block, df_compact_blocks,
16487 df_bb_replace, df_bb_regno_last_use_find,
16488 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16489 df_insn_regno_def_p, df_find_def, df_find_use,
16490 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16491 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16492 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16493 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16494 debug_df_chain, df_get_dependent_problem, df_chain_create,
16495 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16496 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16497 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16498 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16499 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16500 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16501 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16502 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16503 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16504 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16505 df_reorganize_refs, df_set_state, df_hard_reg_init,
16506 df_read_modify_subreg_p) New public functions.
16507 * df-core.c: The core dataflow solver and glue routines for rtl
16509 (df_init, df_add_problem, df_set_blocks, df_finish,
16510 df_hybrid_search_forward, df_hybrid_search_backward,
16511 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16512 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16513 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16514 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16515 df_reg_defined, df_find_use, df_reg_used, df_dump,
16516 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16517 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16518 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16519 debug_df_useno, reset_df_after_reload): New functions.
16520 * df-scan.c: The scanning fuctions, once in df.c, completely
16521 rewritten so that they now fully model the functionality of
16522 register usage at the backend.
16523 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16524 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16525 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16526 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16527 df_get_artificial_defs, df_get_artificial_uses,
16528 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16529 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16530 df_refs_delete, df_reorganize_refs, df_set_state,
16531 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16532 df_def_record_1, df_defs_record, df_uses_record,
16533 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16534 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16535 df_record_exit_block_uses, df_hard_reg_init): New functions.
16537 * df-problems.c: Seven concrete dataflow problems that use the
16538 scanning in df-scan.c and are solved by the engine in df-core.c.
16539 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16540 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16541 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16542 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16543 df_ru_free_bb_info, df_ru_alloc,
16544 df_ru_bb_local_compute_process_def,
16545 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16546 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16547 df_ru_transfer_function, df_ru_free, df_ru_dump,
16548 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16549 df_rd_free_bb_info, df_rd_alloc,
16550 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16551 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16552 df_rd_transfer_function, df_rd_free, df_rd_dump,
16553 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16554 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16555 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16556 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16557 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16558 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16559 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16560 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16561 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16562 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16563 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16564 df_urec_mark_reg_use_for_earlyclobber,
16565 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16566 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16567 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16568 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16569 df_chain_create_bb_process_use, df_chain_create_bb,
16570 df_chain_finalize, df_chain_free, df_chains_dump,
16571 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16572 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16573 df_reg_lifetime): New functions.
16574 * df.c: Deleted file.
16575 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16576 consistent with new df api.
16577 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16578 rest_of_handle_sms): Ditto.
16579 * web.c (unionfind_union, union_defs, entry_register, web_main):
16581 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16582 invariant_expr_equal_p, find_defs, check_dependencies,
16583 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16584 free_inv_motion_data, move_loop_invariants): Ditto.
16585 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16586 Update dependencies.
16587 (odf.c): Added defective entry that was deleted later in day.
16588 * sched-deps.c (sched_analyze_1): Ditto.
16590 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16592 * tree-ssa-operands.c (get_expr_operands): Record addressable
16593 variables directly. Do not call add_stmt_operands for CONST_DECLs
16595 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16596 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16598 2006-01-11 Ben Elliston <bje@au.ibm.com>
16600 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16601 function returns true in the positive case.
16603 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16606 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16607 for SI, DI, SF and DF modes. Add alternatives to copy between
16608 general and floating point registers to the 32-bit patterns.
16609 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16610 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16611 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16612 generating 64-bit code.
16613 * config/pa/pa.c (output_move_double): Handle copies between general
16614 and floating registers.
16616 2006-01-10 Stuart Hastings <stuart@apple.com>
16618 * config/i386/i386.md (set_got): Update.
16619 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16620 (builtin_setjmp_receiver): Mach-O support.
16621 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16622 (GOT_SYMBOL_NAME): Define.
16623 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16624 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16625 * config/i386/i386.c (override_options): Revise for Darwin.
16626 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16627 support. (darwin_x86_file_end): New. (output_set_got): Add label
16628 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16629 * config/i386/i386-protos.h (output_set_got): Likewise.
16630 * config/darwin.c (machopic_legitimize_pic_address): Update
16633 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16635 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16636 when MODE isn't BLKmode.
16638 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16640 PR rtl-optimization/25367
16641 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16643 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16646 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16647 for a negative bound.
16649 2006-01-10 Richard Guenther <rguenther@suse.de>
16651 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16652 Never override with anything constraint.
16654 2006-01-10 Jan Beulich <jbeulich@novell.com>
16656 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16657 256 bits when optimize_size.
16659 2006-01-10 Jan Beulich <jbeulich@novell.com>
16661 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16663 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16664 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16667 2006-01-10 Ben Elliston <bje@au.ibm.com>
16669 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16671 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16672 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16673 (USE_FP_FOR_ARG): Reject decimal float modes.
16674 (function_arg_advance): Likewise.
16675 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16676 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16677 point types in AltiVec vectors.
16678 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16679 (rs6000_libcall_value): Likewise.
16681 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16683 * config/xtensa/ieee754-df.S: New file.
16684 * config/xtensa/ieee754-sf.S: New file.
16685 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16686 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16687 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16689 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16691 * config/sh/predicates.md (binary_float_operator,
16692 binary_logical_operator, commutative_float_operator,
16693 equality_comparison_operator, greater_comparison_operator,
16694 less_comparison_operator, logical_operator,
16695 noncommutative_float_operator, shift_operator,
16696 symbol_ref_operand, unary_float_operator): Remove redundant
16699 2006-01-09 Jeff Law <law@redhat.com>
16701 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16702 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16703 now unused arguments. Callers updated.
16704 (eliminate_redundant_computations): Remove now unused arguments,
16706 (local_fold): Remove, no longer used.
16707 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16709 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16710 (simplify_cond): New function.
16711 (forward_propagate_into_cond): Call simplify_cond.
16713 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16715 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16716 (*vec_extractv2di_1_sse): New.
16718 2006-01-09 Ben Elliston <bje@au.ibm.com>
16720 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16722 2006-01-08 Richard Guenther <rguenther@suse.de>
16724 * tree-ssa-structalias.c (get_constraint_for): Remove
16725 anyoffset argument.
16726 (get_constraint_for_component_ref): Likewise.
16727 (do_deref): Likewise.
16728 (get_constraint_for): Likewise.
16729 (do_structure_copy): Likewise.
16730 (handle_ptr_arith): Likewise.
16731 (find_func_aliases): Likewise. Remove unused need_anyoffset
16734 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16735 Kaz Kojima <kkojima@gcc.gnu.org>
16737 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16738 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16739 (EXTRA_CONSTRAINT_C16): Remove.
16740 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16741 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16742 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16743 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16744 constants of SHmedia. Handle nested constant expressions of
16746 (andcosts): Fix the costs for SHmedia constants.
16747 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16748 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16749 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16750 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16751 (movv4hi_i, movv2si_i): Likewise.
16752 (movsi_const): Adjust the second operand of ior so to match with
16753 the Csu constraint.
16754 (movdi_const, movdi_const_32bit): Likewise.
16755 (movdi_const_16bit+1): Don't sign-extend LOW.
16756 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16758 (*double_shori): Fix the split condition. Use GEN_INT instead
16759 of get_int_mode calls. Mask lower 16-bit of the argument of
16761 (sym2GOTPLT): Remove.
16762 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16764 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16765 instead of EXTRA_CONSTRAINT_C16.
16767 2006-01-07 Ian Lance Taylor <ian@airs.com>
16768 David Edelsohn <edelsohn@gnu.org>
16770 PR rtl-optimization/25662
16771 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16772 for constant operands instead of simplify_gen_binary.
16773 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16774 after trying simplify_binary_operation
16776 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16778 * tree.c (iterative_hash_expr): Hash decls based on UID.
16780 2006-01-06 Eric Christopher <echristo@apple.com>
16782 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16783 (TARGET_UNWIND_EMIT): Fix spelling.
16784 * target.h (gcc_target): Add except_table_label.
16785 * except.c (output_function_exception_table): Use.
16786 * varasm.c (default_emit_except_table_label): New.
16787 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16789 (asm_out): Add here.
16790 * output.h (default_emit_except_table_label): Prototype.
16791 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16792 * config/darwin.c (darwin_emit_except_table_label): Define.
16793 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16795 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16797 PR tree-optimization/18527
16798 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16799 number_of_iterations_special, number_of_iterations_exit):
16800 Move base and step of an iv to a single structure. Add
16801 no_overflow flag, and use it in # of iterations analysis.
16802 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16803 folded_casts argument.
16804 (simple_iv): Pass base and step in a structure. Set no_overflow
16806 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16807 Evaluate expensiveness of computing # of iterations instead of
16808 the final expression.
16809 * tree-scalar-evolution.h (affine_iv): New structure.
16810 (simple_iv): Declaration changed.
16811 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16812 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16813 find_givs_in_stmt): Changed due to simple_iv change.
16815 2006-01-06 Jeff Law <law@redhat.com>
16818 * tree-cfg.c (bsi_replace): Rename final argument from
16819 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16820 change (stmt -> orig_stmt).
16821 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16822 (bsi_remove): Add new argument. Remove EH information
16824 (verify_eh_throw_table_statements): New function.
16825 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16827 * tree-optimize.c (execute_free_cfg_annotations): Verify
16828 the EH throw statement table after removing annotations.
16829 * except.h (verify_eh_throw_table_statements): Prototype.
16830 * tree-flow.h (bsi_remove): Update prototype.
16831 * tree-vrp.c (remove_range_assertions): Add new argument to
16833 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16834 * tree-complex.c (expand_complex_div_wide): Likewise.
16835 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16836 * tree-tailcall.c (eliminate_tailcall): Likewise.
16837 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16838 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16839 * tree-nrv.c (tree_nrv): Likewise.
16840 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16841 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16842 (combine_blocks): Likewise.
16843 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16844 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16845 (cleanup_control_flow): Likewise.
16846 (remove_forwarder_block): Likewise.
16847 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16848 * tree-sra.c (sra_replace): Likewise.
16849 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16850 (forward_propagate_single_use_vars): Likewise.
16851 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16852 * tree-inline.c (expand_call_inline): Likewise.
16853 * tree-vect-transform.c (vect_transform_loop): Likewise.
16854 * tree-outof-ssa.c (rewrite_trees): Likewise.
16855 * tree-cfg.c (make_goto_expr_edges): Likewise.
16856 (cleanup_dead_labels): Likewise.
16857 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16858 (bsi_move_before, bsi_move_after): Likewise.
16859 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16860 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
16862 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
16865 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
16867 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
16868 on non gimple variables. Also add checks at the top for decls and
16870 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
16872 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
16873 and IMAGPART_EXPR for creating MUST_DEFs.
16874 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
16875 and NAME_MEMORY_TAG separately from the DECLs.
16877 2006-01-06 Richard Guenther <rguenther@suse.de>
16879 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
16880 annotation, if necessary.
16881 * tree-ssa-pre.c (create_expression_by_pieces): Remove
16882 redundant calls to update_stmt.
16883 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16886 2006-01-05 Richard Henderson <rth@redhat.com>
16888 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16890 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16892 * c-typeck.c: Update copyright date.
16894 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16896 * c-typeck.c (build_c_cast): Always warn when casting
16897 from a pointer to an integer of different size, even if
16898 the node was constant.
16900 2006-01-05 Richard Guenther <rguenther@suse.de>
16902 PR tree-optimization/22555
16903 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16904 if one structure field is an array.
16905 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16906 operands even if we found a subvar, but ignore VOPs in this
16908 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16910 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16912 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16914 PR middle-end/24998
16915 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16917 2006-01-05 Richard Guenther <rguenther@suse.de>
16918 Diego Novillo <dnovillo@redhat.com>
16920 * tree-pass.h (TODO_remove_unused_locals): Define.
16921 * gimple-low.c (expand_var_p, remove_useless_vars,
16922 pass_remove_useless_vars): Remove. Update all users.
16923 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16924 (remove_unused_locals): New function.
16925 * tree-flow.h (remove_unused_locals): Declare.
16926 * passes.c (execute_todo): Call remove_unused_locals if
16927 TODO_remove_unused_locals is set.
16928 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16929 * tree-ssa-dce.c (pass_dce): Likewise.
16930 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16932 2006-01-05 Richard Guenther <rguenther@suse.de>
16934 * tree-flow.h (struct fieldoff): Decompose field to
16935 type, size and decl.
16936 * tree-ssa-alias.c (create_sft): Take type as parameter.
16937 (create_overlap_variables_for): Store type, size and decl
16938 in the fieldoff structure.
16939 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16940 of struct fieldoff.
16941 (push_fields_onto_fieldstack): Likewise.
16942 (create_variable_info_for): Likewise. Use offset for the
16943 SFT name if the decl is not available.
16945 2006-01-04 Paul Brook <paul@codesourcery.com>
16947 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
16949 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
16951 * lambda-code.c (can_put_in_inner_loop): Relax
16953 (can_put_after_inner_loop): New function.
16954 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
16955 (perfect_nestify): Change to make copies and modify uses.
16957 2006-01-04 Richard Henderson <rth@redhat.com>
16959 Merge from gomp branch:
16960 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
16961 via integer constant.
16962 (pragma_lex): Remove.
16963 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
16964 rather than parsing it.
16965 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
16966 handle_pragma_extern_prefix): Add %< %> quotes.
16967 (registered_pragmas): New.
16968 (c_register_pragma_1): New.
16969 (c_register_pragma): Use it.
16970 (c_register_pragma_with_expansion): Likewise.
16971 (c_invoke_pragma_handler): New.
16972 (init_pragma): Use cpp_register_deferred_pragma directly for
16974 * c-pragma.h (enum pragma_kind): New.
16975 (pragma_handler): New.
16976 (c_invoke_pragma_handler): Declare.
16977 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
16979 * c-common.h (c_common_pch_pragma): Update decl.
16980 * Makefile.in (c-parser.o): Update dependencies.
16981 (GTFILES): Add c-pragma.h.
16982 * c-parser.c (struct c_token): Add pragma_kind.
16983 (struct c_parser): Add in_pragma.
16984 (c_lex_one_token): Always initialize keyword and pragma_kind.
16985 Extract data for CPP_PRAGMA.
16986 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
16987 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
16988 Don't allow CPP_PRAGMA_EOL if in_pragma.
16989 (c_parser_consume_pragma): New.
16990 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
16991 (c_parser_skip_to_end_of_parameter): Likewise.
16992 (c_parser_skip_to_end_of_block_or_statement): Likewise.
16993 (c_parser_skip_to_pragma_eol): New.
16994 (c_parser_external_declaration): Handle CPP_PRAGMA.
16995 (c_parser_compound_statement_nostart): Likewise.
16996 (c_parser_statement_after_labels): Likewise.
16997 (c_parser_pragma): New.
16998 (pragma_lex): Likewise.
16999 (c_parser_pragma_pch_preprocess): New.
17000 (c_parser_new): Merge into ...
17001 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
17003 2006-01-04 Jeff Law <law@redhat.com>
17006 * tree-cfg.c (bsi_replace): Remove the original statement
17007 from the EH throw statement table.
17009 2006-01-04 Jakub Jelinek <jakub@redhat.com>
17011 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
17012 make the prototype extern "C" and add throw ().
17015 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
17016 and pos non-negative and pos + len <= 32.
17017 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
17018 drop pos + len < HOST_BITS_PER_WIDE_INT test.
17019 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
17022 * c-common.c (handle_vector_size_attribute): Reject zero vector size
17023 as well as sizes not multiple of component size.
17026 * function.c (instantiate_expr): New function.
17027 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
17028 walk its DECL_VALUE_EXPR with instantiate_expr.
17030 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
17031 DW_OP_deref{,_size} if address isn't going to be added.
17033 2006-01-04 Ben Elliston <bje@au.ibm.com>
17035 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
17036 * config/fp-bit.c: Likewise.
17038 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
17040 * dominance.c: Add comment about why we use DFS numbering
17043 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17044 Richard Henderson <rth@redhat.com>
17046 Merge from gomp-branch:
17047 * varasm.c (assemble_variable): Handle thread-local COMMON data.
17048 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
17050 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
17052 PR rtl-optimization/25578
17053 * combine.c (combine_simplify_rtx, force_to_mode): Don't
17054 pass a parameter to simplify_shift_const if changing ASHIFTRT
17057 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
17059 * builtins.c (get_builtin_sync_mem): New function.
17060 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17061 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17062 Call get_builtin_sync_mem to generate mem rtx.
17064 2006-01-03 Richard Guenther <rguenther@suse.de>
17067 * stmt.c (add_case_node): Make sure to clear overflow flags
17070 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17072 Merge from gomp-branch.
17073 * config/sparc/sync.md: New file.
17074 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17075 UNSPECV_LDSTUB): New constants.
17076 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
17077 * config/sparc/predicates.md (memory_reg_operand): New predicate.
17078 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
17081 2006-01-03 Roger Sayle <roger@eyesopen.com>
17083 * combine.c (reg_subword_p): New predicate to test whether the
17084 destination of a set refers to a subword/piece of a register.
17085 (try_combine): Generalize the code to merge the setting of a
17086 pseudo to a constant followed by a set of a subword of that
17087 register to a constant.
17089 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
17091 * basic-block.h (control_flow_graph): Change the type of
17092 x_label_to_block_map to VEC(basic_block,gc) *.
17093 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17094 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17096 * tree-ssa-propagate.c (cfg_blocks): Change the type to
17097 VEC(basic_block,heap) *.
17098 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17099 ssa_prop_fini): Adjust the uses of cfg_blocks.
17101 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
17103 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17105 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17106 hashing trees instead of a pointer hash.
17107 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17108 compare for MEM_EXPR.
17110 PR rtl-optimization/25130
17111 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17112 when comparing MEMs for GCSE
17114 2006-01-03 Ben Elliston <bje@au.ibm.com>
17116 * targhooks.h (default_decimal_float_supported_p): Declare.
17117 * targhooks.c (default_decimal_float_supported_p): Define.
17118 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17119 `default_decimal_float_supported_p'.
17120 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17122 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
17124 * combine.c (apply_distributive_law <SUBREG>): Check
17125 TRULY_NOOP_TRUNCATION.
17127 2006-01-02 Geoffrey Keating <geoffk@apple.com>
17129 * dwarf2out.c (have_switched_text_section): Delete.
17130 (have_multiple_function_sections): New.
17131 (have_location_lists): Make 'bool'.
17132 (add_AT_loc_list): Use 'true' not '1'.
17133 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17134 (output_loc_list): Use have_multiple_function_sections.
17135 (output_ranges): Likewise.
17136 (dwarf2out_begin_function): Set have_multiple_function_sections if
17138 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17139 Check function_section rather than DECL_SECTION_NAME.
17140 (dwarf2out_finish): Use have_multiple_function_sections.
17141 Don't clear have_location_lists.
17143 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
17144 Jan Hubicka <jh@suse.cz>
17146 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17147 case of conditional jump jumping to the next instruction.
17148 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17149 cases of conditional jump jumping to the next instruction.
17151 2006-01-02 Jan Hubicka <jh@suse.cz>
17153 * i386.c (*_cost): Add COSTS_N_INSNS.
17154 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17156 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
17159 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17161 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17163 * config/arm/arm.c (all_fpus): Fix comment typo.
17164 * config/darwin.c: Likewise.
17165 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17166 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17167 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17169 2006-01-01 David Edelsohn <edelsohn@gnu.org>
17171 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17172 (rs6000_split_compare_and_swapqhi): New.
17173 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17174 (sync_compare_and_swapqhi_internal): New.
17175 * config/rs6000/rs6000-protos.h: Declare.