1 2006-11-01 Chris Johns <chris@contemporary.net.au>
4 * Makefile.in (install-driver): Use exeext when installing
7 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
9 * c-common.c (flag_cpp0x): New.
10 * c-common.h (flag_cpp0x): New.
11 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
12 supported, define __GXX_EXPERIMENTAL_CPP0X__.
13 * c-opts.c (set_std_cxx0x): New.
14 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
15 * c.opt (std=c++0x): Document.
17 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
18 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
20 2006-11-01 Richard Guenther <rguenther@suse.de>
22 * config/i386/i386.c (ix86_expand_rint): Fix issues with
24 (ix86_expand_floorceildf_32): Likewise.
25 (ix86_expand_floorceil): Likewise.
26 (ix86_expand_trunc): Likewise.
28 2006-10-31 Andrew Pinski <pinskia@gmail.com>
30 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
33 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
35 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
37 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
39 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
41 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
42 * configure.ac (use_cxa_atexit): As a special case, don't test
43 for libc definition of __cxa_atexit on mingw32
44 * configure: Regenerate.
45 * config.gcc (i[34567]86-pc-mingw32): Default to
46 enable__cxa_atexit=yes.
48 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
50 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
52 2006-10-31 Geoffrey Keating <geoffk@apple.com>
55 * c-decl.c (start_struct): Don't create self-containing
57 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
59 * config/rs6000/rs6000-protos.h
60 (darwin_rs6000_special_round_type_align): New.
61 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
62 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
64 2006-10-31 Geoffrey Keating <geoffk@apple.com>
66 * toplev.c (compile_file): Call final_write_globals
67 even if there have been errors.
69 2006-10-31 Eric Christopher <echristo@apple.com>
70 Falk Hueffner <falk@debian.org>
72 * doc/extend.texi (__builtin_bswap32): Document.
73 (__builtin_bswap64): Ditto.
74 * doc/libgcc.texi (bswapsi2): Document.
76 * doc/rtl.texi (bswap): Document.
77 * optabs.c (expand_unop): Don't widen a bswap.
78 (init_optabs): Init bswap. Set libfuncs explicitly
79 for bswapsi2 and bswapdi2.
80 * optabs.h (OTI_bswap): New.
82 * genopinit.c (optabs): Handle bswap_optab.
83 * tree.h (tree_index): Add TI_UINT32_TYPE and
85 (uint32_type_node): New.
86 (uint64_type_node): Ditto.
87 * tree.c (build_common_tree_nodes_2): Initialize
88 uint32_type_node and uint64_type_node.
89 * builtins.c (expand_builtin_bswap): New.
90 (expand_builtin): Call.
91 (fold_builtin_bswap): New.
92 (fold_builtin_1): Call.
93 * fold-const.c (tree_expr_nonnegative_p): Return true
95 * builtin-types.def (BT_UINT32): New.
97 (BT_FN_UINT32_UINT32): Ditto.
98 (BT_FN_UINT64_UINT64): Ditto.
99 * builtins.def (BUILT_IN_BSWAP32): New.
100 (BUILT_IN_BSWAP64): Ditto.
101 * rtl.def (BSWAP): New.
102 * genattrtab.c (check_attr_value): New.
103 * libgcc2.c (__bswapSI2): New.
105 * libgcc2.h (__bswapSI2): Declare.
107 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
108 * simplify-rtx.c (simplify_const_unary_operation): Return
110 * libgcc-std.ver (__bwapsi2): Add.
112 * reload1.c (eliminate_regs_1): Add bswap.
113 (elimination_effects): Ditto.
114 * config/i386/i386.h (x86_bswap): New.
116 * config/i386/i386.c (x86_bswap): Set.
118 2006-10-31 Geoffrey Keating <geoffk@apple.com>
120 * coverage.c (coverage_checksum_string): Update comment.
121 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
122 of get_file_function_name.
123 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
124 of get_file_function_name_long.
125 * tree.c (get_file_function_name): Rename from
126 get_file_function_name_long; improve comment; handle 'I' and 'D'
127 specially when the target has ctor/dtor support; remove special
129 (get_file_function_name): Remove.
130 * tree.h (get_file_function_name): Rename from
131 get_file_function_name_long.
132 (get_file_function_name): Remove prototype.
134 2006-10-31 Geoffrey Keating <geoffk@apple.com>
136 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
137 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
139 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
140 Call dsymutil when compiling and linking one or more source files
143 2006-10-31 Geoffrey Keating <geoffk@apple.com>
146 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
148 2006-10-31 Geoffrey Keating <geoffk@apple.com>
150 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
151 inline static functions in c99 mode.
154 * doc/extend.texi (Inline): Update.
155 * c-tree.h (struct language_function): Remove field 'extern_inline'.
156 * c-decl.c (current_extern_inline): Delete.
157 (pop_scope): Adjust test for an undefined nested function.
158 Add warning about undeclared inline function.
159 (diagnose_mismatched_decls): Update comments. Disallow overriding
160 of inline functions in a translation unit in C99. Allow inline
161 declarations in C99 at any time.
162 (merge_decls): Boolize variables. Handle C99 'extern inline'
164 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
165 C99 inline semantics.
166 (start_function): Don't clear current_extern_inline. Don't set
168 (c_push_function_context): Don't push current_extern_inline.
169 (c_pop_function_context): Don't restore current_extern_inline.
172 * c-typeck.c (build_external_ref): Warn about static variables
173 used in extern inline functions.
174 * c-decl.c (start_decl): Warn about static variables declared
175 in extern inline functions.
177 2006-10-31 Roger Sayle <roger@eyesopen.com>
180 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
181 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
182 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
183 or y is an even integer.
185 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
188 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
189 * gthr-posix95.h (__gthread_active_p): Likewise.
191 2006-10-31 Richard Guenther <rguenther@suse.de>
193 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
194 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
195 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
196 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
197 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
198 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
199 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
200 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
203 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
205 * opts.c (decode_options): Disable CSE skip blocks.
207 2006-10-30 Dirk Mueller <dmueller@suse.de>
209 * c-common.h (strict_aliasing_warning): Fix whitespace.
210 * c-decl (start_function): Move code for main decl warning ..
211 * c-common.c (check_main_parameter_types): .. here.
212 * c-common.h (check_main_parameter_types): Declare.
214 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
217 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
219 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
221 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
222 be a PARALLEL containing sets. Return false when out_pat is not
225 2006-10-30 Richard Sandiford <richard@codesourcery.com>
227 * config/mips/mips.md (mul<mode>3): Split into...
228 (mulsi3, muldi3): ...these separate patterns.
230 2006-10-30 Richard Sandiford <richard@codesourcery.com>
232 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
233 but with each set of options separated by spaces.
235 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
237 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
238 dwarf_reg_size_table has been initialized.
240 2006-10-30 Roger Sayle <roger@eyesopen.com>
242 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
243 * ddg.c (print_ddg_edge): Likewise.
244 * dwarf2out.c (prune_unused_types_walk): Likewise.
245 * ifcvt.c (noce_try_cmove_arith): Likewise.
246 * langhooks.c (add_builtin_function): Likewise.
247 * reg-stack.c (subst_stack_regs_pat): Likewise.
248 * tree.c (expanded_location): Likewise.
249 * tree-dump.c (dequeue_and_dump): Likewise.
251 2006-10-30 David Daney <ddaney@avtrex.com>
253 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
255 2006-10-30 Jakub Jelinek <jakub@redhat.com>
257 PR tree-optimization/29637
258 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
259 of the innertype is the innertype itself.
261 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
263 * dwarf2out.c (file_name_acquire): Correct typo.
265 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
267 * tree.h (tree_value_handle): Remove struct value_set declaration.
268 Change value_set to bitmap_set.
269 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
270 * tree-vn.c (get_value_handle): Made inline and moved to
272 * tree-flow-inline.h: (has_stmt_ann): New function.
273 * tree-ssa-pre.c (expressions): New variable.
274 (next_expression_id): Ditto.
275 (alloc_expression_id): New function.
276 (struct value_set): Remove.
277 (get_expression_id): New function.
278 (get_or_alloc_expression_id): Ditto.
279 (expression_for_id): Ditto.
280 (clear_expression_ids): Ditto.
281 (FOR_EACH_EXPR_ID_IN_SET): New macro.
282 (bb_value_sets): Renamed to bb_bitmap_sets.
283 All value sets replaced with bitmap_sets.
285 (BB_VISITED): New macro.
286 (postorder): New variable.
287 (add_to_value): Removed.
288 (value_exists_in_set_bitmap): Ditto.
289 (value_insert_into_set_bitmap): Ditto.
293 (set_contains_value): Ditto.
294 (insert_into_set): Ditto.
296 (find_leader): Ditto.
297 (bitmap_set_subtract_from_value_set): Ditto.
298 (value_insert_into_set): Ditto.
299 (print_value_set): Ditto.
300 (debug_value_set): Ditto.
301 (constant_expr_p): New function.
302 (bitmap_remove_from_set): Ditto.
303 (bitmap_insert_into_set): Ditto.
304 (bitmap_set_free): Ditto.
306 (sorted_array_from_bitmap_set): Ditto.
307 (bitmap_set_subtract): Ditto.
308 (bitmap_set_equal): Ditto.
309 (debug_bitmap_set): Ditto.
310 (find_leader_in_sets): Ditto.
311 (bitmap_set_replace_value): Modify for bitmapped sets.
312 (phi_translate): Ditto.
313 (phi_translate_set): Ditto.
314 (bitmap_find_leader): Ditto.
315 (valid_in_sets): Ditto.
316 (union_contains_value): Ditto.
318 (compute_antic_aux): Ditto. Mark changed blocks.
319 (compute_antic): Ditto. Iterate in postorder and only over
321 (compute_rvuse_and_antic_safe): Reuse postorder.
322 (create_component_ref_by_pieces): Modify for bitmapped sets.
323 (find_or_generate_expression): Ditto.
324 (create_expression_by_pieces): Ditto.
325 (insert_into_preds_of_block): Ditto.
326 (changed_blocks): New variable.
327 (do_regular_insertion): Broken out from insert_aux.
328 (insert_aux): Modified for bitmapped sets.
329 (find_existing_value_expr): New function.
330 (create_value_expr_from): Use it.
331 (insert_extra_phis): Removed.
332 (print_bitmap_set): Renamed from bitmap_print_value_set.
333 (compute_avail): Handle RETURN_EXPR.
334 (init_pre): Modify for bitmapped sets.
335 * tree-flow.h (has_stmt_ann): New function.
337 2006-10-29 Roger Sayle <roger@eyesopen.com>
339 * builtins.c (fold_builtin_floor): Check for the availability of
340 the C99 trunc function before transforming floor into trunc.
342 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
344 * builtins.c (fold_builtin_hypot): Rearrange recursive
345 transformation before others, and also do ABS_EXPR. When
346 necessary, check flag_unsafe_math_optimizations. When necessary,
349 2006-10-29 Roger Sayle <roger@eyesopen.com>
351 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
352 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
353 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
354 Fold -X eq/ne -Y as X eq/ne Y.
356 2006-10-29 Richard Sandiford <richard@codesourcery.com>
358 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
359 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
360 rather than GENERATE_MULT3_SI in the various define_peephole2s.
361 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
362 Use an inclusive test for "mult" rather than "mul".
363 (rotr<mode>3): Depend on ISA_HAS_ROR.
364 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
366 (GENERATE_MULT3_DI): Delete.
367 (ISA_HAS_64BIT_REGS): Use consistent formatting.
368 (ISA_HAS_MUL3): New macro.
369 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
370 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
371 (ISA_HAS_CLZ_CLO): Likewise.
372 (ISA_HAS_DCLZ_DCLO): Delete.
373 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
374 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
375 the VR4120 and VR4130.
376 (ISA_HAS_MACCHI): Use consistent formatting.
377 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
378 (ISA_HAS_ROR): ...this new macro.
379 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
380 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
381 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
383 2006-10-29 Roger Sayle <roger@eyesopen.com>
385 PR tree-optimization/15458
386 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
389 2006-10-29 Richard Guenther <rguenther@suse.de>
391 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
392 (ix86_expand_truncdf_32): Likewise.
393 * config/i386/i386.c (ix86_expand_trunc): New function expanding
394 trunc inline for SSE math and -fno-trapping-math and if not
396 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
397 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
398 for expanding btrunc inline for SSE math.
400 2006-10-29 Joseph Myers <joseph@codesourcery.com>
402 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
403 Handle tuning for bi-arch i[34567]86-*-linux* like that for
404 i[34567]86-*-solaris2.1[0-9]*.
405 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
406 Define conditionally depending on TARGET_64BIT_DEFAULT.
407 (SPEC_32, SPEC_64): Define.
408 (LINK_SPEC): Use them.
409 * doc/install.texi (--enable-targets=all): Document for x86-linux.
411 2006-10-29 Richard Guenther <rguenther@suse.de>
413 * config/i386/i386-protos.h (ix86_expand_round): Declare.
414 (ix86_expand_rounddf_32): Likewise.
415 * config/i386/i386.c (ix86_expand_round): New function expanding
416 round inline for SSE math and -fno-trapping-math and if not
418 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
419 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
420 round via ix86_expand_round.
422 2006-10-29 Richard Guenther <rguenther@suse.de>
424 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
425 (ix86_expand_floorceildf_32): Likewise.
426 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
427 static helper function.
428 (ix86_expand_floorceil): Expander for floor and ceil to SSE
430 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
431 * config/i386/i386.md (floordf2): Adjust to enable floor
432 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
433 -fno-trapping-math is enabled and if not optimizing for size.
434 (floorsf2, ceildf2, ceilsf2): Likewise.
435 * config/i386/sse.md (sse_maskcmpsf3): New insn.
436 (sse2_maskcmpdf3): Likewise.
438 2006-10-29 Richard Guenther <rguenther@suse.de>
440 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
441 rint in case -fno-trapping-math is enabled.
442 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
443 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
444 (ix86_expand_sse_fabs): Likewise.
445 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
446 * config/i386/i386.md (rintdf2): Enable for SSE math if
447 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
450 2006-10-29 Richard Guenther <rguenther@suse.de>
452 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
453 to conversion optabs.
454 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
456 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
457 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
458 (lfloor_optab, lceil_optab): Adjust defines.
459 * builtins.c (expand_builtin_int_roundingfn): Adjust for
460 lfloor and lceil optabs now being conversion optabs.
461 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
462 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
463 New static helper function.
464 (ix86_expand_lfloorceil): New function to expand lfloor and
466 * config/i386/i386.md (lfloor<mode>2): Split into ...
467 (lfloorxf<mode>2): ... x87 variant
468 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
469 using ix86_expand_lfloorceil.
470 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
472 * doc/md.texi (lfloorMN, lceilMN): Document.
474 2006-10-29 Richard Sandiford <richard@codesourcery.com>
476 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
477 -mno-shared assembler option on mips targets.
478 * configure, config.in: Regenerate.
479 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
480 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
481 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
483 2006-10-29 Richard Sandiford <richard@codesourcery.com>
485 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
486 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
488 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
490 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
491 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
494 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
497 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
498 (fold_builtin_pow): Evaluate constant arguments at compile-time
500 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
501 (do_mpfr_ckconv): New helper function.
502 (do_mpfr_arg1): Use do_mpfr_ckconv.
505 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
508 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
509 (-fdump-rtl-sched): Rename to ..
510 (-fdump-rtl-sched1): here. Also fix file extension number.
512 2006-10-28 Richard Guenther <rguenther@suse.de>
514 * fold-const.c (maybe_canonicalize_comparison): Fix code
517 2006-10-28 Uros Bizjak <uros@kss-loka.si>
519 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
520 (NON_QI_REG_P): Use IN_RANGE.
521 (REX_INT_REGNO_P): Use IN_RANGE.
522 (FP_REGNO_P): Use IN_RANGE.
523 (SSE_REGNO_P): Use IN_RANGE.
524 (REX_SSE_REGNO_P): Use IN_RANGE.
525 (MMX_REGNO_P): Use IN_RANGE.
526 (STACK_REGNO_P): New macro.
527 (STACK_REG_P): Use STACK_REGNO_P.
528 (NON_STACK_REG_P): Use STACK_REGNO_P.
529 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
530 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
531 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
532 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
533 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
535 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
537 * except.h (output_function_exception_table): Add 'const char*' param.
538 * except.c (switch_to_exception_section): Add 'const char*' param.
539 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
540 and flag_function_sections is set, use a function-specific section.
541 (output_function_exception_table): Add 'const char*' param.
542 Adjust call to switch_to_exception_section.
543 * final.c (rest_of_handle_final): Adjust calls to
544 output_function_exception_table.
545 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
546 * config.in: Regenerate.
547 * configure: Likewise.
549 2006-10-28 Richard Guenther <rguenther@suse.de>
552 * fold-const.c (maybe_canonicalize_comparison_1): Helper
553 for maybe_canonicalize_comparison.
554 (maybe_canonicalize_comparison): New function for canonicalizing
556 (fold_comparison): Call it to canonicalize comparisons with
559 2006-10-28 Richard Guenther <rguenther@suse.de>
562 * builtins.c (expand_builtin_int_roundingfn_2): Expand
563 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
564 (expand_builtin): Adjust likewise.
565 * genopinit.c (optabs[]): Add lround optab.
566 * optabs.c (init_optabs): Initialize lround_optab.
567 * optabs.h (enum convert_optab_index): Add COI_lround.
568 (lround_optab): Define.
569 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
570 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
572 (ix86_expand_lround): New function.
573 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
575 * doc/md.texi (lroundMN2): Document.
577 2006-10-28 Uros Bizjak <uros@kss-loka.si>
580 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
581 argument to HOST_WIDE_INT. Update function prototype.
582 (round_frame_size): Change return type to HOST_WIDE_INT. Change
583 "size" argument to HOST_WIDE_INT. Update function prototype.
585 2006-10-28 Uros Bizjak <uros@kss-loka.si>
587 * config/i386/i386.c (output_387_ffreep): Create output from a
588 template string for !HAVE_AS_IX86_FFREEP.
590 2006-10-27 Eric Christopher <echristo@apple.com>
592 * config/darwin.c: Fix formatting and grammar.
594 2006-10-27 Jan Hubicka <jh@suse.cz>
596 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
597 to be thrown away soon when IGNORE is set.
598 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
599 indicating when return value shall not be computed.
600 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
602 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
604 * config/i386/i386.h (TARGET_GEODE):
605 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
606 (TARGET_CPU_DEFAULT_geode): New macro.
607 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
608 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
609 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
610 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
611 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
613 (TARGET_CPU_DEFAULT_NAMES): Add geode.
614 (processor_type): Add PROCESSOR_GEODE.
616 * config/i386/i386.md: Include geode.md.
619 * config/i386/i386.c (geode_cost): New initialized global
621 (m_GEODE, m_K6_GEODE): New macros.
622 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
623 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
624 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
625 x86_schedule): Use m_K6_GEODE instead of m_K6.
626 (x86_movx, x86_cmove): Set up m_GEODE.
627 (x86_integer_DFmode_moves): Clear m_GEODE.
628 (processor_target_table): Add entry for geode.
629 (processor_alias_table): Ditto.
631 * config/i386/geode.md: New file.
633 * doc/invoke.texi: Add entry about geode processor.
635 2006-10-27 Mike Stump <mrs@apple.com>
637 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
638 __DYNAMIC__ from here back to ...
639 * config/darwin.h (CPP_SPEC): ... here.
641 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
642 Nathan Sidwell <nathan@codesourcery.com>
644 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
645 when choosing the minimum heapsize.
647 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
649 * gcc/unwind-dw2.h: Move cfa-related variables into
650 struct frame_state_reg_info to ensure that the CFA is properly
651 handled when executing DW_CFA_{remember,restore}_state.
652 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
653 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
654 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
655 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
656 gcc/config/rs6000/linux-unwind.h,
657 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
658 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
659 Modify to use new cfa_* fields.
661 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
663 * config/s390/s390.c (s390_init_frame_layout): Check positive
666 2006-10-26 Ben Elliston <bje@au.ibm.com>
668 * gimplify.c (get_name): Remove extraneous break.
669 (gimplify_omp_for): Initialise ret with GS_OK.
671 2006-10-25 Steve Ellcey <sje@cup.hp.com>
673 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
674 Add unix98.o to link line.
676 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
679 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
680 Calculate compile-time constants using MPFR.
681 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
682 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
684 2006-10-25 Bob Wilson <bob.wilson@acm.org>
686 * config/xtensa/lib2funcs.S: Use C-style comments.
688 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
690 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
691 (file_table_relative_p): Likewise.
692 (dwarf2out_finish): Likewise.
693 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
695 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
697 * tree-ssa-structalias.c (intra_create_variable_infos):
698 Don't recreate nonlocal_all if it already exists.
700 2006-10-25 Richard Guenther <rguenther@suse.de>
703 * optabs.h (enum optab_index): Remove OTI_lrint.
704 (enum convert_optab_index): Add COI_lrint.
705 (lrint_optab): Adjust.
706 (expand_sfix_optab): Declare.
707 * optabs.c (expand_sfix_optab): New function.
708 (init_optabs): Init lrint_optab as conversion optab.
709 * genopinit.c (lrint_optab): Change to a conversion optab.
710 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
711 expansion via conversion optab.
712 * config/i386/i386.md (*fistdi2_1): Remove
713 flag_unsafe_math_optimizations guard.
714 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
715 fist<mode>2_with_temp): Likewise.
716 (lrint<mode>2): Split into...
717 (lrintxf<mode>2): ... x87 part
718 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
719 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
720 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
721 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
722 * doc/md.texi (lrintMN2): Document.
724 2006-10-25 Uros Bizjak <uros@kss-loka.si>
727 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
728 Use inc and dec instructions for TARGET_USE_INCDEC.
729 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
730 ("sync_double_compare_and_swap<mode>"): Likewise.
731 ("*sync_double_compare_and_swapdi_pic"): Likewise.
732 ("*sync_compare_and_swap_cc<mode>"): Likewise.
733 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
734 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
735 ("sync_old_add<mode>"): Likewise.
736 ("sync_lock_test_and_set<mode>"): Likewise.
737 ("sync_lock_test_and_set<mode>"): Likewise.
738 ("sync_add<mode>"): Likewise.
739 ("sync_sub<mode>"): Likewise.
740 ("sync_ior<mode>"): Likewise.
741 ("sync_and<mode>"): Likewise.
742 ("sync_xor<mode>"): Likewise.
744 2006-10-25 Uros Bizjak <uros@kss-loka.si>
746 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
747 (remainder_optab): Define corresponding macro.
748 (drem_optab): Remove.
749 * optabs.c (init_optabs): Initialize remainder_optab. Remove
750 drem_optab initialization.
751 * genopinit.c (optabs): Implement remainder_optab using
752 remainder?f3 patterns. Remove drem_optab.
753 * builtins.c (expand_builtin_mathfn_2): Handle
754 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
755 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
756 expand_builtin_mathfn_2.
758 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
759 depend on flag_unsafe_math_optimizations.
761 * config/i386/i386.md ("remaindersf3", "remainderdf3")
762 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
763 Do not depend on flag_unsafe_math_optimizations. Use
764 truncxf?f expander instead of truncxf?f_i387_noop.
766 ("fpremxf4", "fprem1xf4"): Do not depend on
767 flag_unsafe_math_optimizations.
768 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
769 flag_unsafe_math_optimizations. Use truncxf?f expander
770 instead of truncxf?f_i387_noop.
772 * doc/md.texi (fmod, remainder): Document standard named pattern.
774 2006-10-24 Richard Sandiford <richard@codesourcery.com>
775 David Daney <ddaney@avtrex.com>
778 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
780 2006-10-25 Ben Elliston <bje@au.ibm.com>
782 * doc/extend.texi (Variable Attributes): Typo fix.
784 2006-10-24 Uros Bizjak <uros@kss-loka.si>
786 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
787 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
788 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
789 (FRAME_POINTER_REGNUM): Update register number to 21.
790 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
791 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
793 * config/i386/i386.c (regclass_map): Add fpcr entry.
794 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
796 (print_reg): Assert REGNO (x) != FPCR_REG.
798 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
799 (DIRFLAG_REG): Renumber.
800 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
801 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
802 (sse_prologue_save, *sse_prologue_save_insn): Renumber
803 hardcoded SSE register numbers.
805 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
806 hardcoded MMX register numbers.
808 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
811 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
812 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
814 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
815 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
816 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
817 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
819 2006-10-24 Richard Guenther <rguenther@suse.de>
822 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
823 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
824 for deciding optimizations in consistency with fold-const.c
825 (fold_builtin_unordered_cmp): Likewise.
827 2006-10-24 Richard Guenther <rguenther@suse.de>
829 * builtins.c (fold_builtin_floor): Fold floor (x) where
830 x is nonnegative to trunc (x).
831 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
832 nonnegative to FIX_TRUNC_EXPR.
834 2006-10-24 Richard Guenther <rguenther@suse.de>
836 PR tree-optimization/29567
837 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
838 for TRUTH_NOT_EXPR. Clarify comments.
840 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
843 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
844 at compile-time using MPFR. Change parameter VALUE to FUNC,
846 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
847 for overflow and underflow at all times and avoid folding in
850 2006-10-24 Ben Elliston <bje@au.ibm.com>
852 * reload1.c: Formatting fixes.
854 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
856 PR tree-optimization/14784
857 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
858 * tree-ssa-structalias.c (get_constraint_for,
859 intra_create_variable_infos): Set is_heapvar.
860 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
861 non-heapvar pointer variables specially.
863 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
866 * builtins.c (fold_builtin_sin, fold_builtin_cos,
867 fold_builtin_tan): Fold all constant arguments. Take a "type"
868 argument as necessary.
870 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
872 2006-10-23 Bob Wilson <bob.wilson@acm.org>
874 * config/xtensa/lib1funcs.asm: Use C-style comments.
876 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
878 * tree.c (local_define_builtin): Replace calls to
879 lang_hooks.builtin_function with add_builtin_function.
880 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
882 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
884 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
885 common code to add_builtin_function.
886 * langhooks.c (add_builtin_function): New function.
887 (lhd_builtin_function): New function.
888 * langhooks.h (struct lang_hooks): Change the signature of
890 (add_builtin_function): New function.
891 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
892 calls to lang_hooks.builtin_function with add_builtin_function.
893 * c-common.c (decl_builtin_1): Replace calls to
894 lang_hooks.builtin_function with add_builtin_function.
895 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
896 lang_hooks.builtin_function with add_builtin_function.
897 * config/frv/frv.c (def_builtin): Replace calls to
898 lang_hooks.builtin_function with add_builtin_function.
899 * config/s390/s390.c (s390_init_builtins): Replace calls to
900 lang_hooks.builtin_function with add_builtin_function.
901 * config/sparc/sparc.c (def_builtin): Replace calls to
902 lang_hooks.builtin_function with add_builtin_function.
903 * config/i386/i386.c (def_builtin): Replace calls to
904 lang_hooks.builtin_function with add_builtin_function.
905 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
906 lang_hooks.builtin_function with add_builtin_function.
907 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
908 lang_hooks.builtin_function with add_builtin_function.
909 * config/stormy16/stormy16.c (xstormy16_init_builtins):
910 Replace calls to lang_hooks.builtin_function with
911 add_builtin_function.
912 * config/iq2000/iq2000.c (def_builtin):
913 Replace calls to lang_hooks.builtin_function with
914 add_builtin_function.
915 * config/ia64/ia64.c (def_builtin): Replace calls to
916 lang_hooks.builtin_function with add_builtin_function.
917 * config/rs6000/rs6000.c (def_builtin): Replace calls to
918 lang_hooks.builtin_function with add_builtin_function.
919 (altivec_init_builtins): Replace calls to
920 lang_hooks.builtin_function with add_builtin_function.
921 * config/arm/arm.c (def_mbuiltin): Replace calls to
922 lang_hooks.builtin_function with add_builtin_function.
923 (arm_init_tls_builtins): Replace calls to
924 lang_hooks.builtin_function with add_builtin_function.
925 * config/mips/mips.c (mips_init_builtins): Replace calls to
926 lang_hooks.builtin_function with add_builtin_function.
927 * config/bfin/bfin.c (def_builtin): Replace calls to
928 lang_hooks.builtin_function with add_builtin_function.
929 * langhooks-def.h (lhd_builtin_function): New function.
930 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
932 2006-10-23 Jakub Jelinek <jakub@redhat.com>
934 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
935 BUILT_IN_STRNCAT_CHK.
937 2006-10-23 Jan Hubicka <jh@suse.cz>
939 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
940 don't do conversion from memmove to memcpy here.
941 (expand_builtin_bcopy, expand_builtin): Update call of
942 expand_builtin_memmove.
943 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
945 2006-10-23 Paul Brook <paul@codesourcery.com>
947 * stor-layout.c (start_record_layout): maximum_field_alignment
948 overrides STRUCTURE_SIZE_BOUNDARY.
950 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
952 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
953 nonlocal function symbols if flag_pic.
955 2006-10-23 Richard Guenther <rguenther@suse.de>
959 * builtins.c (fold_binary): Remove checks for flag_wrapv
960 and flag_trapv where negate_expr_p covers these cases.
962 2006-10-23 Richard Guenther <rguenther@suse.de>
965 * fold-const.c (fold_plusminus_mult_expr): Check exact power
966 of two on the absolute value.
967 (fold_binary): Fold x * -C to -x * C if x is easily negatable
968 and negating -C does not overflow.
970 2006-10-23 Richard Guenther <rguenther@suse.de>
973 * convert.c (convert_to_real): Fold (float)-x to -(float)x
974 only if not flag_rounding_math.
976 2006-10-22 Richard Sandiford <richard@codesourcery.com>
977 Kaz Kojima <kkojima@gcc.gnu.org>
980 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
981 SImode memory reference for the source of a movua.
982 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
983 (movua): Use an unspec instead of sign_extract. Expect the source
984 to have mode BLKmode.
985 (extv, insv): Use a BLKmode rather than SImode memory reference
986 for the source of a movua.
988 2006-10-22 Jeff Law <law@redhat.com>
989 Richard Guenther <rguenther@suse.de>
991 PR tree-optimization/15911
992 * tree-vrp.c (extract_code_and_val_from_cond): New function.
993 (register_edge_assert_for_1): Likewise.
994 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
995 (find_conditional_asserts): Adjust for new function signature.
996 (find_assert_locations): Likewise.
998 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1000 * config/i386/tmmintrin.h: Remove the duplicated content.
1002 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1004 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
1005 (x86_64-*-*): Likewise.
1007 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
1008 (override_options): Check SSSE3.
1009 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
1010 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
1011 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
1012 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
1013 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
1014 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
1015 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
1016 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
1017 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
1018 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
1019 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
1020 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
1021 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
1022 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
1023 IX86_BUILTIN_PABSD128.
1024 (bdesc_2arg): Add SSSE3.
1025 (bdesc_1arg): Likewise.
1026 (ix86_init_mmx_sse_builtins): Support SSSE3.
1027 (ix86_expand_builtin): Likewise.
1028 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
1030 * config/i386/i386.md (UNSPEC_PSHUFB): New.
1031 (UNSPEC_PSIGN): Likewise.
1032 (UNSPEC_PALIGNR): Likewise.
1033 Include mmx.md before sse.md.
1035 * config/i386/i386.opt: Add -mssse3.
1037 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
1038 (ssse3_phaddwv4hi3): Likewise.
1039 (ssse3_phadddv4si3): Likewise.
1040 (ssse3_phadddv2si3): Likewise.
1041 (ssse3_phaddswv8hi3): Likewise.
1042 (ssse3_phaddswv4hi3): Likewise.
1043 (ssse3_phsubwv8hi3): Likewise.
1044 (ssse3_phsubwv4hi3): Likewise.
1045 (ssse3_phsubdv4si3): Likewise.
1046 (ssse3_phsubdv2si3): Likewise.
1047 (ssse3_phsubswv8hi3): Likewise.
1048 (ssse3_phsubswv4hi3): Likewise.
1049 (ssse3_pmaddubswv8hi3): Likewise.
1050 (ssse3_pmaddubswv4hi3): Likewise.
1051 (ssse3_pmulhrswv8hi3): Likewise.
1052 (ssse3_pmulhrswv4hi3): Likewise.
1053 (ssse3_pshufbv16qi3): Likewise.
1054 (ssse3_pshufbv8qi3): Likewise.
1055 (ssse3_psign<mode>3): Likewise.
1056 (ssse3_psign<mode>3): Likewise.
1057 (ssse3_palignrti): Likewise.
1058 (ssse3_palignrdi): Likewise.
1059 (abs<mode>2): Likewise.
1060 (abs<mode>2): Likewise.
1062 * config/i386/tmmintrin.h: New file.
1064 * doc/extend.texi: Document SSSE3 built-in functions.
1066 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1068 2006-10-22 Ira Rosen <irar@il.ibm.com>
1070 * tree-vect-transform.c (vectorizable_load): Use the type of the
1071 return value of the mask_for_load builtin to create realign_load
1074 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1076 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
1079 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
1081 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
1082 (UNSPEC_LDDQU): This.
1083 * config/i386/sse.md (sse3_lddqu): Updated.
1085 2006-10-21 Richard Guenther <rguenther@suse.de>
1087 * builtins.c (expand_builtin_int_roundingfn_2): New function.
1088 (expand_builtin): Use it to expand lrint instead of
1089 expand_builtin_mathfn.
1091 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1094 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
1095 flag_unsafe_math_optimizations is set.
1097 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1100 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
1101 patterns to use memory input operand in x87->mem->XMM
1102 reload sequences. Skip transformation for TARGET_K8.
1104 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1106 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
1107 force operand1 to register if both operands are memory operands.
1108 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
1109 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
1110 if both operands are memory operands.
1111 (truncdfsf2): Do not force operand1 to register if both operands
1112 are memory operands.
1114 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1116 * Makefile.in (LIBS): Add $(GMPLIBS).
1117 * doc/install.texi: Update GMP and MPFR requirements.
1118 * doc/sourcebuild.texi (need_gmp): Delete.
1120 2006-10-21 Richard Guenther <rguenther@suse.de>
1122 PR tree-optimization/3511
1123 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1124 got new invariant arguments during PHI translation.
1126 2006-10-21 Richard Guenther <rguenther@suse.de>
1129 * fold-const.c (fold_comparison): Fold signed comparisons
1130 of the form X +- C1 CMP Y +- C2.
1132 2006-10-21 Richard Guenther <rguenther@suse.de>
1135 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1136 if flag_unsafe_math_optimizations is specified. We have
1137 flag_finite_math_only for that.
1138 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1139 or flag_unsafe_math_optimizations.
1141 2006-10-21 Richard Guenther <rguenther@suse.de>
1143 * builtins.c (fold_builtin_classify): Fix typo.
1145 2006-10-21 Richard Guenther <rguenther@suse.de>
1148 * simplify-rtx.c (simplify_const_relational_operation):
1149 Do not constant-fold ORDERED and UNORDERED for
1150 flag_unsafe_math_optimizations but only we do not need to
1151 honor NaNs for the given mode.
1153 2006-10-21 Richard Guenther <rguenther@suse.de>
1156 * config/i386/i386.c (classify_argument): Remove redundant
1157 walking of the BINFOs.
1158 (contains_128bit_aligned_vector_p): Likewise.
1160 2006-10-20 Mark Mitchell <mark@codesourcery.com>
1162 * BASE-VER: Set to 4.3.0.
1164 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
1166 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1167 (tree_decl_with_vis): Remove artificial_pta_var flag.
1168 * tree-flow.h (referenced_var_check_and_insert): Expose.
1169 (nonlocal_all): New prototype.
1170 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1171 (nonlocal_all): Make global.
1172 (nonlocal_lookup): Remove.
1173 (nonlocal_insert): Ditto.
1174 (create_nonlocal_var): Do not call nonlocal_insert.
1175 (get_nonlocal_id_for_type): Remove.
1176 (find_global_initializers): Mark new vars we find for renaming.
1177 (intra_create_variable_infos): Only create one nonlocal.
1178 (expand_nonlocal_solutions): Remove.
1179 (compute_points_to_sets): Don't call it.
1180 (ipa_pta_execute): Ditto.
1181 (init_alias_heapvars): Don't create nonlocal_for_type.
1182 (delete_alias_heapvars): Don't remove it.
1183 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1186 2006-10-19 Brooks Moses <bmoses@stanford.edu>
1188 * doc/install.texi (Downloading GCC): Clarify mention of
1189 Fortran in the "full distribution" description.
1191 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
1193 Fix PR tree-optimization/28778
1194 Fix PR tree-optimization/29156
1195 Fix PR tree-optimization/29415
1196 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1197 (tree_decl_with_vis): Add artificial_pta_var flag.
1198 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1199 pushed into callers.
1200 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1201 (nonlocal_all): Ditto.
1202 (struct variable_info): Add directly_dereferenced member.
1203 (var_escaped_vars): New variable.
1204 (escaped_vars_tree): Ditto.
1205 (escaped_vars_id): Ditto.
1206 (nonlocal_vars_id): Ditto.
1207 (new_var_info): Set directly_dereferenced.
1208 (graph_size): New variable
1209 (build_constraint_graph): Use graph_size.
1210 (solve_graph): Don't process constraints that cannot change the
1211 solution, don't try to propagate an empty solution to our
1213 (process_constraint): Set directly_dereferenced.
1214 (could_have_pointers): New function.
1215 (get_constraint_for_component_ref): Don't process STRING_CST.
1216 (nonlocal_lookup): New function.
1217 (nonlocal_insert): Ditto.
1218 (create_nonlocal_var): Ditto.
1219 (get_nonlocal_id_for_type): Ditto.
1220 (get_constraint_for): Allow results vector to be empty in the case
1221 of string constants.
1222 Handle results of calls properly.
1223 (update_alias_info): Update alias info stats on number and type of
1225 (find_func_aliases): Use could_have_pointers.
1226 (make_constraint_from_escaped): Renamed from
1227 make_constraint_to_anything, and changed to make constraints from
1229 (make_constraint_to_escaped): New function.
1230 (find_global_initializers): Ditto.
1231 (create_variable_info_for): Make constraint from escaped to any
1232 global variable, and from any global variable to the set of
1234 (intra_create_variable_infos): Deal with escaped instead of
1235 pointing to anything.
1236 (set_uids_in_ptset): Do type pruning on directly dereferenced
1238 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1239 (init_base_vars): Fix comment, and initialize escaped_vars.
1240 (need_to_solve): Removed.
1241 (find_escape_constraints): New function.
1242 (expand_nonlocal_solutions): Ditto.
1243 (compute_points_to_sets): Call find_escape_constraints and
1244 expand_nonlocal_solutions.
1245 (delete_points_to_sets): Don't fall off the end of the graph.
1246 (init_alias_heapvars): Initialize nonlocal_for_type and
1248 (delete_alias_heapvars): Free nonlocal_for_type and null out
1251 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1253 * fold-const.c (add_double): Rename to add_double_with_sign.
1254 Add 'unsigned_p' parameter and take it into account for the overflow.
1255 (mul_double): Rename to mul_double_with_sign.
1256 Add 'unsigned_p' parameter and take it into account for the overflow.
1257 (fold_div_compare): Call add_double_with_sign instead of add_double
1258 and mul_double_with_sign instead of mul_double, passing them the
1259 unsignedness of the type.
1260 * tree.h (add_double): Macroize.
1261 (add_double_with_sign): New prototype.
1262 (mul_double): Macroize.
1263 (mul_double_with_sign): New prototype.
1265 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1267 * config/score/crti.asm: New file.
1268 * config/score/crtn.asm: New file.
1269 * config/score/elf.h: New file.
1270 * config/score/mac.md: New file.
1271 * config/score/misc.md: New file.
1272 * config/score/mul-div.S: New file.
1273 * config/score/predicates.md: New file.
1274 * config/score/score7.md: New file.
1275 * config/score/score.c: New file.
1276 * config/score/score-conv.h: New file.
1277 * config/score/score.h: New file.
1278 * config/score/score.md: New file.
1279 * config/score/score-mdaux.c: New file.
1280 * config/score/score-mdaux.h: New file.
1281 * config/score/score-modes.def: New file.
1282 * config/score/score.opt: New file.
1283 * config/score/score-protos.h: New file.
1284 * config/score/score-version.h: New file.
1285 * config/score/t-score-elf: New file.
1286 * config.gcc: Add score*-*-* configurations(Update before).
1287 * doc/invoke.texi (Score Options): New section.
1288 * doc/md.texi (Score family): New section to document constraints.
1290 2006-10-19 Nick Clifton <nickc@redhat.com>
1292 * config/arm/arm.c: Fix spelling typo.
1294 2006-10-18 Tom Tromey <tromey@redhat.com>
1296 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1298 2006-10-18 Jan Hubicka <jh@suse.cz>
1301 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1304 2006-10-18 Marcin Dalecki <martin@dalecki.de>
1306 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1307 TSI_SAME_STMT, since that's the desired entity.
1309 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
1311 * config/s390/contraints.md: New file.
1312 * config/s390/s390-protos.h (s390_mem_constraint,
1313 s390_O_constraint_str, s390_N_constraint_str,
1314 s390_float_const_zero_p): Function prototypes added.
1315 * config/s390/s390.c (s390_extra_constraint_str,
1316 s390_const_double_ok_for_constraint_p,
1317 s390_const_ok_for_constraint_p): Functions removed.
1318 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1319 s390_float_const_zero_p): New functions.
1320 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1321 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1322 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1323 Macro definitions removed.
1324 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1325 s390_extra_constraint_str): Functions removed.
1327 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
1328 Richard Sandiford <richard@codesourcery.com>
1331 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1332 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1334 2006-10-16 Geoffrey Keating <geoffk@apple.com>
1336 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1337 (DWARF2_FRAME_REG_OUT): Likewise.
1338 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1339 (DWARF2_FRAME_REG_OUT): Likewise.
1341 2006-10-17 Paul Brook <paul@codesourcery.com>
1343 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1345 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1347 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1348 Standardize on "GNU Fortran" as the official name of the Fortran
1351 2006-10-16 Mike Stump <mrs@apple.com>
1353 * doc/invoke.texi (Darwin Options): Document -mkernel.
1354 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1356 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1357 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1358 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1359 (OS_MISSING_ALTIVEC): Add.
1360 * config/i386/i386.c (override_options): Add
1361 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1362 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1363 -mkernel, -static or -mdynamic-no-pic is given.
1364 (C_COMMON_OVERRIDE_OPTIONS): Add.
1365 * config/darwin.opt (fapple-kext): Add.
1367 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1368 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1370 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1371 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1372 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1373 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1374 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1375 (flag_mkernel): Add.
1376 (flag_apple_kext): Add.
1377 (TARGET_KEXTABI): Add.
1378 * config/darwin.c (darwin_handle_kext_attribute): Add.
1379 (DARWIN_VTABLE_P): Add.
1380 (darwin_binds_local_p): Add partial support for rebinding vtables
1382 (darwin_kextabi_p): Add.
1383 (darwin_override_options): Add.
1384 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1385 (darwin_kextabi_p): Add.
1386 (darwin_override_options): Add.
1387 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1388 __DYNAMIC__ and __STATIC__ here.
1390 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1392 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1393 Added mention of "make pdf" target, and Texinfo requirements for
1396 2006-10-16 DJ Delorie <dj@redhat.com>
1398 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1399 into the GOT in case we need a subreg of the address.
1401 2006-10-16 Richard Guenther <rguenther@suse.de>
1404 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1405 SSE builtin documentation. Document SSE2 builtins.
1407 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1409 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1410 symbol in the output file for non-shared links when -nostdlib or
1411 -nodefaultlibs isn't specified.
1413 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1414 posix thread support.
1416 2006-10-15 Jan Hubicka <jh@suse.cz>
1419 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1420 declared always_inline even when not inlining.
1422 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1423 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1424 Andrew Pinski <pinskia@gmail.com>
1427 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1429 2006-10-15 Jan Hubicka <jh@suse.cz>
1430 Richard Guenther <rguenther@suse.de>
1433 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1434 process_function_and_variable_attributes on all variables, including
1435 those discovered during cgraph construction phase.
1437 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1439 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1441 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1443 * config/i386/athlon.md (athlon_fist): Add fisttp.
1445 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1446 Ian Lance Taylor <ian@airs.com>
1449 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1450 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1453 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1455 * config/score/score.c, config/score/score.h: Fix comment
1458 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1461 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1464 2006-10-13 Eric Christopher <echristo@apple.com>
1466 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1468 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1471 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1472 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1473 alignment supported by 32-bit ELF.
1475 2006-10-13 Eric Christopher <echristo@apple.com>
1477 * config/darwin.c (darwin_emit_unwind_label): Strip
1478 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1480 2006-10-13 Richard Guenther <rguenther@suse.de>
1482 PR tree-optimization/29446
1483 * tree-vrp.c (fix_equivalence_set): Remove.
1484 (extract_range_from_assert): Do not call fix_equivalence_set.
1485 (debug_value_range): Print a newline.
1486 (compare_name_with_value): For equivalence sets with
1487 inconsistent value ranges conservatively bail out.
1488 (compare_names): Likewise.
1490 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1492 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1493 and MPFR for gfortran.
1495 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1497 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1498 alignment supported by 32-bit ELF.
1500 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1504 * c-typeck.c (digest_init): Always allow initializing vectors
1505 that have static storage duration with compound literals.
1506 * tree.c (build_type_attribute_qual_variant): New, based on
1507 build_type_attribute_variant.
1508 (build_type_attribute_variant): Rewrite using the former.
1509 (make_vector_type): Use build_type_attribute_qual_variant to build
1510 type variants. Use type_hash_canon on the others.
1512 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1513 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1515 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1517 2006-10-12 Jan Hubicka <jh@suse.cz>
1520 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1521 current_function_decl is set but current_function_scope is not.
1523 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1525 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1526 emit_insn to emit eh_return_internal instruction.
1527 (eh_return_internal): Explicitly set pc.
1529 2006-10-11 Richard Guenther <rguenther@suse.de>
1531 PR tree-optimization/28230
1532 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1533 to the correct place.
1535 2006-10-11 Richard Guenther <rguenther@suse.de>
1538 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1541 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1543 * configure.ac: Added pdf to "Make-hooks"
1544 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1545 targets and *.pdf file patterns in cleanup targets.
1546 * configure: Regenerated.
1548 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1550 * config/avr/predicates.md: New file.
1551 * config/avr/avr.md: Include it.
1552 (REG_SP): New constant.
1553 (peepholes): Use predicates.
1554 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1555 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1556 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1558 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1560 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1563 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1566 * builtins.c (var_decl_component_p): New function.
1567 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1568 single entry optimization to variables and components thereof.
1570 2006-10-10 Richard Guenther <rguenther@suse.de>
1572 PR rtl-optimization/29323
1573 * except.c (set_nothrow_function_flags): For functions
1574 that do not bind local bail out early.
1576 2006-10-10 Ben Elliston <bje@au.ibm.com>
1578 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1581 2006-10-09 Richard Henderson <rth@redhat.com>
1583 Revert emutls patch.
1585 2006-10-09 Richard Guenther <rguenther@suse.de>
1588 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1591 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1594 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1595 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1596 * configure: Regenerate.
1597 * config.in: Regenerate.
1599 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1601 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1603 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1605 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1606 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1607 Remove stray newline.
1609 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1611 * config/mips/mips.c (mips_classify_symbol): Do not return
1612 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1613 (mips_in_small_data_p): Tweak comments.
1615 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1617 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1619 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1621 * gimplify.c, sched-int.h: Fix comment typos.
1623 * sched-int.h: Fix comment typos.
1625 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1627 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1629 * sched-ebb.c (begin_schedule_ready): Use them.
1630 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1631 add_to_speculative_block, create_check_block_twin, speculate_insn,
1632 fix_jump_move, move_block_after_check): Ditto.
1633 * sched-rgn.c (new_ready): Ditto.
1635 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1637 PR rtl-optimization/29128
1638 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1639 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1640 allow interblock movement of speculation checks.
1642 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1645 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1646 casted to integer type.
1647 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1648 if they are significantly more expensive than [reg + index] ones.
1650 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1652 PR tree-optimization/29330
1653 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1654 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1655 on newly allocated ddrs.
1656 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1657 to VEC (loop_p, heap) pointer.
1658 (compute_data_dependences_for_loop): Adjust caller.
1659 (free_dependence_relations): Free DDR_LOOP_NEST.
1661 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1662 free DEPENDENCE_RELATIONS and DATAREFS.
1665 * builtins.c (expand_builtin_sync_operation,
1666 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1667 Use convert_to_mode to handle promoted arguments.
1669 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1671 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1673 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1675 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1677 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1679 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1680 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1681 Use <modeconstraint> instead of "r" as operand 1 constraint.
1683 2006-10-06 Olivier Hainque <hainque@adacore.com>
1685 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1686 Don't recurse on the pointed-to type.
1687 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1688 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1689 types with components of variable size.
1691 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1693 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1695 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1697 PR tree-optimization/29290
1698 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1702 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1703 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1706 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1707 the number of vector elements fill the rest with zeros.
1709 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1711 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1712 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1715 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1717 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1718 unnamed pattern into subsi3. Use correct constraints/predicates.
1719 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1720 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1722 2006-10-05 Ira Rosen <irar@il.ibm.com>
1724 * doc/loop.texi: Add data references analysis description.
1726 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1728 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1730 2006-10-04 Richard Henderson <rth@redhat.com>
1731 Jakub Jelinek <jakub@redhat.com>
1733 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1734 * builtin-types.def (BT_WORD): Make unsigned.
1735 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1736 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1737 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1738 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1739 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1740 * cgraph.c (decide_is_variable_needed): Look at force_output.
1741 Recurse for emulated tls.
1742 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1743 checks redundant with decide_is_variable_needed.
1744 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1745 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1747 * expr.c (emutls_var_address): New.
1748 (expand_expr_real_1): Expand emulated tls.
1749 (expand_expr_addr_expr_1): Likewise.
1750 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1751 * output.h (emutls_finish): Declare.
1752 * toplev.c (compile_file): Call it.
1753 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1754 address before wrapping in CONST.
1755 * varasm.c (emutls_htab, emutls_object_type): New.
1756 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1757 (get_emutls_object_name, get_emutls_object_type): New.
1758 (get_emutls_init_templ_addr, emutls_decl): New.
1759 (emutls_common_1, emutls_finish): New.
1760 (assemble_variable): When emulating tls, swap decls; generate
1761 constructor for the emutls objects.
1762 (do_assemble_alias): When emulating tls, swap decl and target name.
1763 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1765 * emutls.c: New file.
1766 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1767 tls_object for real tls.
1769 2006-10-04 Zack Weinberg <zackw@panix.com>
1771 Fix bug in constraint-check generator, reported by Rask Ingemann
1773 * genpreds.c (add_constraint): Don't remove anything from the
1775 (write_tm_constrs_h): Detect whether "op" argument is used, and
1776 mark it ARG_UNUSED if it isn't.
1777 (write_insn_const_int_ok_for_constraint): Skip the part of the
1778 expression that would test whether "op" (which is not available
1779 here) is a CONST_INT.
1781 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1784 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1786 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1788 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1789 current Leopard versions.
1790 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1792 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1794 * doc/install.texi: Fix typos.
1796 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1798 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1799 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1800 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1802 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1804 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1805 arg to be struct mach_header_64* instead.
1807 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1810 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1811 side effects after the outer expression's post side effects.
1813 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1815 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1816 comments to reflect actual behavior and relationship between
1817 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1819 * doc/c-tree.texi (Working with declarations): Fix documentation
1820 of FIELD_DECL likewise.
1822 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1825 * doc/extend.texi: Add used variable attribute description.
1827 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1830 * c.opt (Woverride-init): New.
1831 * c-opts.c (c_common_post_options): Default warn_override_init to
1833 * c-typeck.c (add_pending_init, output_init_element): Warn for
1834 overriding initializers without side effects.
1835 * doc/invoke.texi (-Woverride-init): Document.
1838 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1840 PR rtl-optimization/28096
1841 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1842 assignment has already been used as a destination earlier in the block.
1844 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1846 * builtins.c (expand_builtin_setjmp): Delete.
1847 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1848 <BUILT_IN_SETJMP_SETUP>: New case.
1849 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1850 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1851 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1852 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1853 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1854 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1855 (lower_function_body): Initialize it to false. If it is set to true
1856 at the end of the processing, emit the setjmp dispatcher.
1857 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1858 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1859 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1860 on the rhs of the assignment.
1861 (lower_builtin_setjmp): New function.
1862 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1863 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1864 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1865 to detect calls that can go to non-local labels. Use specific
1866 helper to create the abnormal edges associated with them.
1867 <MODIFY_EXPR>: Likewise.
1868 (make_abnormal_goto_edges): New function extracted from...
1869 (make_goto_expr_edges): ...here. Call it for computed gotos.
1870 (simple_goto_p): Minor tweak.
1871 (tree_can_make_abnormal_goto): New predicate.
1872 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1873 (tree_purge_dead_abnormal_call_edges): New function.
1874 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1875 (tree_purge_dead_abnormal_call_edges): Likewise.
1876 (make_abnormal_goto_edges): Likewise.
1877 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1878 Purge all dead abnormal edges if the call was in the last statement.
1879 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1880 (execute_fixup_cfg): If there are non-local labels in the function,
1881 scan the basic blocks and split them at calls that can go to non-local
1882 labels or add missing abnormal call edges. Write down the CFG in the
1884 (pass_fixup_cfg): Remove TODO_dump_func flag.
1885 * unwind-sjlj.c: Poison setjmp.
1886 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1887 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1888 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1889 (DONT_USE_BUILTIN_SETJMP): Document it.
1891 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1894 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1895 to 1 when __ppc64__ is defined.
1896 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1898 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1900 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1902 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1903 * config/ia64/unwind-hpux.c: Delete.
1905 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1907 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1908 on the element before gimplifying it, instead of punting if it is of
1911 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1913 * doc/loop.texi: New file.
1914 * doc/gccint.texi: Reference loop.texi.
1915 * Makefile.in (loop.texi): Add.
1917 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1919 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1921 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1922 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1924 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
1926 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
1928 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
1930 * doc/install.texi: Document required versions of GMP and MPFR.
1932 2006-09-27 Paul Brook <paul@codesourcery.com>
1935 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
1937 2006-09-27 Richard Sandiford <richard@codesourcery.com>
1939 * reload1.c (alter_reg): Require the alignment of the stack slot to
1940 be at least reg_max_ref_width bytes.
1941 (scan_paradoxical_subregs): Record the largest width in
1944 2006-09-26 Jakub Jelinek <jakub@redhat.com>
1948 * tree-nested.c (struct nesting_info): Added static_chain_added.
1949 (convert_call_expr): Set static_chain_added when adding static
1950 chain. Handle OMP_PARALLEL and OMP_SECTION.
1952 2006-09-25 Matthias Klose <doko@debian.org>
1954 * doc/invoke.texi: Add missing full stop.
1956 2006-09-25 Richard Henderson <rth@redhat.com>
1958 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1959 before cgraph_function_flags_ready.
1961 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1962 Adam Nemet <anemet@caviumnetworks.com>
1964 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1965 determine_common_wider_type): New functions.
1966 (get_computation_aff): Use them to simplify arithmetic between
1967 UBASE and CBASE if they are shortened from the same type.
1969 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1972 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1973 -2147483647 - 1 instead of 0x80000000.
1975 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1977 * flags.h (HONOR_NANS): Fix typo in comment.
1979 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1981 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1983 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1987 * tree.c (merge_attributes, attribute_list_contained): If both
1988 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1990 * c-typeck.c (comptypes_internal): Don't consider aggregates
1991 in different TUs as compatible if there one set of attributes is
1992 not a subset of the other type's attributes.
1993 (composite_type): Try harder not to create a new aggregate type.
1995 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1997 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1998 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1999 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
2000 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
2001 than replicating condition above.
2002 * config.host (i[34567]86-*-*): Always use driver-i386.o.
2004 * config/darwin.h (LINK_SYSROOT_SPEC): New.
2005 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
2006 the linker by default.
2008 2006-09-22 Mike Stump <mrs@apple.com>
2010 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
2013 2006-09-22 Richard Guenther <rguenther@suse.de>
2016 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
2017 sort of stack variables stable.
2019 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
2022 * explow.c (force_reg): Set REG_POINTER flag according to
2025 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
2027 PR tree-optimization/28888
2028 * tree-if-conv.c (combine_blocks): Rewritten.
2029 * tree-cfg.c (tree_verify_flow_info): Check that edges with
2030 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2032 2006-09-22 Jakub Jelinek <jakub@redhat.com>
2034 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
2037 2006-09-21 Richard Sandiford <richard@codesourcery.com>
2039 * varasm.c (copy_constant): Fix reversed gcc_assert check.
2041 2006-09-21 Janis Johnson <janis187@us.ibm.com>
2043 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2045 2006-09-21 Roger Sayle <roger@eyesopen.com>
2048 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2049 dw_fde_current_label, to be the start of the function, i.e. the same
2050 value as dw_fde_begin.
2052 2006-09-20 Richard Sandiford <richard@codesourcery.com>
2054 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2055 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2056 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
2057 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
2058 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
2059 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
2060 (abs<mode>2, neg<mode>2): Likewise.
2061 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
2062 (*mips_abs_ps): New define_insn.
2064 2006-09-20 Josh Conner <jconner@apple.com>
2067 * calls.c (expand_call): Allow reuse of structure return stack
2070 2006-09-20 Paul Brook <paul@codesourcery.com>
2072 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
2075 2006-09-20 Janis Johnson <janis187@us.ibm.com>
2077 * doc/extend.texi (Decimal Float): Update for latest draft TR,
2078 clean up terminology.
2080 2006-09-20 Steve Ellcey <sje@cup.hp.com>
2083 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
2084 with tablejumps in them.
2086 2006-09-20 Jakub Jelinek <jakub@redhat.com>
2089 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
2090 wrap it into TARGET_EXPR.
2092 2006-09-20 Eric Christopher <echristo@apple.com>
2094 * config/i386/i386.c (x86_fisttp): Remove.
2095 * config/i386/i386.h (x86_fisttp): Ditto.
2096 (TARGET_FISTTP): Ditto.
2098 2006-09-19 Eric Christopher <echristo@apple.com>
2100 * doc/tm.texi (OBJC_JBLEN): Describe.
2101 * config/i386/darwin.h (OBJC_JBLEN): Define.
2102 * config/rs6000/darwin.h: Ditto.
2104 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
2106 PR rtl-optimization/21299
2107 * reload1.c (reload): Purge invalid ASMs in the final pass.
2109 2006-09-19 Steve Ellcey <sje@cup.hp.com>
2112 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
2113 pointers as legitimate constants.
2115 2006-09-19 Paul Brook <paul@codesourcery.com>
2118 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2120 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
2122 PR tree-optimization/28887
2123 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2124 component parts from the reference.
2125 (gather_memory_references_ref): Record the reference without the
2126 nonaddressable component parts.
2128 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
2131 * c-opts.c (c_common_handle_option): Ignore the -std options
2132 if the input language is assembly.
2134 2006-09-17 Ira Rosen <irar@il.ibm.com>
2137 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2139 (ptr_ptr_may_alias_p): Likewise.
2140 (record_record_differ_p): New function.
2141 (base_object_differ_p): Call record_record_differ_p.
2143 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2146 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2147 away for the expr argument.
2149 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2152 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2153 before using it for dumping after vectorizing loops.
2155 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2156 Jack Howarth <howarth@bromo.med.uc.edu>
2159 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2160 skip on error_mark_node.
2161 (rs6000_darwin64_record_arg_recurse): Likewise.
2163 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2165 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2166 * doc/rtl.texi: Remove related documentation.
2168 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
2170 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2173 2006-09-15 Jim Wilson <wilson@specifix.com>
2175 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2176 Handle symbol offsets same as they are handled in ia64_expand_move
2179 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
2181 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2182 Add forgotten parameter to the fprintf call.
2184 2006-09-15 Steve Ellcey <sje@cup.hp.com>
2186 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2188 2006-09-15 Uros Bizjak <uros@kss-loka.si>
2190 * doc/contrib.texi: Add my entry.
2192 2006-09-15 Nick Clifton <nickc@redhat.com>
2194 * doc/md.texi (Processor pipeline description): Fix typo in
2195 example of how to use the absence_set directive and reword the
2196 description to make it slightly easier to read.
2198 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
2200 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2201 * loop-doloop.c (doloop_optimize): Use it to limit costs of
2202 expanding the number of iterations.
2203 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2205 * cfgrtl.c (emit_insn_at_entry): New function.
2206 * rtl.h (emit_insn_at_entry): Declare it.
2207 * integrate.c (emit_initial_value_sets): Use it.
2209 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2211 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2213 (struct loop_work and related VEC declarations): Delete.
2214 (bfin_dump_loops): Print out new member bad.
2215 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
2216 (bfin_scan_loop): Don't recurse.
2217 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2218 loops. No longer need to update outer loops if the current one is
2219 found bad. Move some validitiy checks to bfin_discover_loop.
2220 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2221 but changed not to check for nesting. Also changed to use the new bad
2223 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2224 time. Use bitmap based test to discover loop nesting.
2226 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
2228 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2231 2006-09-14 Richard Guenther <rguenther@suse.de>
2232 Kazu Hirata <kazu@codesourcery.com>
2234 PR middle-end/28884.
2235 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2236 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2237 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2238 with TARGET_FUNCTION_VALUE.
2240 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2243 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2245 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2247 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2250 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2253 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2256 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2258 * basic_block.h (bb_has_eh_pred): Fix comment.
2260 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2262 * flow.c (calculate_global_regs_live): Invalidate eh registers
2263 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2264 (propagate_block): Handle eh registers as if they were set at basic
2266 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2268 * global.c (global_conflicts): Make eh registers to conflict with
2269 pseudos live at basic block begin.
2270 * basic_block.h (bb_has_eh_pred): New function.
2272 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2274 PR rtl-optimization/28982
2275 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2276 index of a PRE_MODIFY or POST_MODIFY address.
2277 * reload1.c (inc_for_reload): Use find_replacement on the original
2278 base and index registers.
2280 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2282 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2283 for -Os. Update __m128 alignment requirement.
2285 2006-09-13 Jan Hubicka <jh@suse.cz>
2287 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2289 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2291 PR rtl-optimization/28243
2292 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2293 the insn to which the note was originally attached.
2295 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2296 Roger Sayle <roger@eyesopen.com>
2298 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2299 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2300 on platforms that don't use dwarf for debug info.
2302 2006-09-12 Jason Merrill <jason@redhat.com>
2305 * builtins.c (expand_builtin_setjmp_receiver): Clobber
2306 hard_frame_pointer_rtx after using it to update the frame pointer.
2308 2006-09-12 Roger Sayle <roger@eyesopen.com>
2310 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2311 (TARGET_ASM_CLOSE_PAREN): Likewise.
2312 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2313 (TARGET_ASM_CLOSE_PAREN): Likewise.
2315 2006-09-12 Roger Sayle <roger@eyesopen.com>
2318 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2319 frame information for frames larger than 512 Kbytes on Tru64 when
2320 using the native assembler.
2322 2006-09-12 Roger Sayle <roger@eyesopen.com>
2326 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2327 and symbols. Instead use the implementation from cse.c's hash_rtx.
2329 2006-09-12 Jan Hubicka <jh@suse.cz>
2331 PR rtl-optimization/28071
2332 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2333 (vect_transform_loop): Likewise.
2334 * tree-vectorizer.c (new_loop_vec_info): Likewise.
2335 (new_loop_vec_info): Likewise.
2336 (destroy_loop_vec_info): Likewise.
2337 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2338 (create_stmt_ann): Likewise.
2339 (create_tree_ann): Rename to ...
2340 (create_tree_common_ann): ... this one; allocate only the common part
2342 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2343 (get_value_handle): Likewise.
2344 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2345 get_tree_common_ann.
2346 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2347 (vinfo_for_stmt): Use stmt annotations.
2348 * tree-flow.h (tree_ann_common_t): New type.
2349 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2350 (tree_ann, get_tree_ann, create_tree_ann): New.
2351 * tree-flow-inline.h (get_function_ann): Do more type checking.
2352 (stmt_ann): Likewise.
2353 (tree_ann): Rename to ...
2354 (tree_common_ann): ... this one; return ony common_ann
2355 (get_tree_ann): Rename to ...
2356 (tree_common_ann): This one; return only common_ann.
2357 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2360 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2362 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2363 with_cpu by default.
2365 * dwarf2out.c (dwarf_file_data): New.
2366 (enum dw_val_class): Add dw_val_class_file.
2367 (struct dw_val_struct): Add val_file.
2368 (file_table): Change to a hash table.
2369 (file_table_emitted): Delete.
2370 (file_table_last_lookup_index): Delete.
2371 (emitcount): Delete.
2372 (last_emitted_file): New.
2373 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2374 (init_file_table): Delete.
2375 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2376 (AT_addr): Add comment.
2380 (print_die): Handle dw_val_class_file.
2381 (print_dwarf_line_table): Update for new file table structure.
2382 (attr_checksum): Do checksum a filename.
2383 (same_dw_val_p, same_attr_p): Do compare a filename.
2384 (size_of_die): Handle dw_val_class_file.
2385 (value_format): Likewise.
2386 (output_die): Likewise. Also, call maybe_emit_file here.
2387 (struct file_info): Constify filenames. Make file_idx a pointer
2388 to a struct dwarf_file_data.
2389 (struct dir_info): Constify directory names. Remove 'used' field.
2390 (struct file_name_acquire_data): New.
2391 (file_name_acquire): New.
2392 (output_file_names): Modify to handle new file data structures.
2393 (add_src_coords_attributes): Use add_AT_file.
2394 (add_call_src_coords_attributes): Likewise.
2395 (dwarf2out_imported_module_or_decl): Likewise.
2396 (gen_subprogram_die): Modify for new file data structures.
2397 (gen_variable_die): Likewise.
2398 (file_table_eq): New.
2399 (file_table_hash): New.
2400 (file_table_last_lookup): New.
2401 (lookup_filename): Rewrite to handle new file data structures.
2402 (maybe_emit_file): Rewrite to handle new file data structures.
2403 (dwarf2out_source_line): Always call lookup_filename and
2405 (dwarf2out_init): Create file_table here.
2406 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2407 (file_table_relative_p): New.
2408 (dwarf2out_finish): Change detection of relative filenames
2409 to work with new file data structures. Move output_line_info call
2410 after debug_info output.
2412 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2417 * config/i386/i386.c (override_options): Always default to 16
2418 byte stack boundary.
2420 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2423 * var-tracking.c (dump_dataflow_set): Start dumping at
2425 (clobber_variable_part): Kill only the variable part in
2426 registers holding it, leaving other variables alone.
2428 2006-09-11 Josh Triplett <josh@freedesktop.org>
2430 * doc/extend.texi (Other Builtins): Actually use the macro
2431 argument in the documentation example for
2432 __builtin_types_compatible_p.
2434 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2436 PR rtl-optimization/28726
2437 * sched-deps.c (sched_analyze_reg): New function extracted from...
2438 (sched_analyze_1): ...here. Call it to analyze references to
2439 registers. Treat again writes to a stack register as writing to the
2441 (sched_analyze_2): ...and here. Call it to analyze references to
2442 registers. Treat again reads of a stack register as reading the
2445 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2446 David Edelsohn <edelsohn@gnu.org>
2449 * config/rs6000/spe.md (frob_df_di): Remove %H.
2450 (frob_di_df): Remove %H. Change evmergelo to mr.
2451 (frob_di_df_2): Remove %H. Change evldd to two loads.
2453 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2455 * doc/cpp.texi: Fix names of charset options.
2457 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2460 * config/i386/i386.c (override_options): Use 128-bit
2461 stack boundary always for 64bits.
2463 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2465 PR rtl-optimization/28636
2466 * combine.c (force_to_mode): Test for side-effects before
2467 substituting by zero.
2468 (simplify_shift_const): Likewise for zero or other constants.
2470 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2473 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2476 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2479 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2480 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2481 returned by mode_for_size, rather than the mode of src itself,
2482 to choose between 32-bit and 64-bit patterns.
2483 (mips_mem_fits_mode_p): New function.
2484 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2485 that the size of the source matches the size of the destination.
2486 (mov_<store>l, mov_<store>r): Likewise.
2488 2006-09-10 Eric Christopher <echristo@apple.com>
2490 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2493 2006-09-09 Eric Christopher <echristo@apple.com>
2496 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2499 2006-09-09 Roger Sayle <roger@eyesopen.com>
2500 Nicolas Setton <setton@adacore.com>
2502 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2504 2006-09-10 Andreas Schwab <schwab@suse.de>
2506 * config/m68k/m68k.md (bungt_rev): New pattern.
2508 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2509 Dale Johannesen <dalej@apple.com>
2512 * regclass.c (struct reg_pref): Update documentation.
2513 (regclass): Set prefclass to NO_REGS if memory is the best option.
2514 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2516 2006-09-08 Eric Christopher <echristo@apple.com>
2518 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2519 * config/t-slibgcc-darwin: Support x86_64 multilib.
2520 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2521 Return 1 for x86_64-darwin.
2522 * config/i386/t-darwin: Add m64 multilib.
2523 (LIB2_SIDITI_CONV_FUNCS): Use.
2524 (LIB2FUNCS_EXTRA): Ditto.
2525 * config/i386/darwin.h: Support x86_64.
2526 * config/i386/i386.c (override_options): Turn on flag_pic
2527 for x86_64-darwin. Disable flag_omit_pointer.
2528 (get_pc_thunk_name): Assert !TARGET_64BIT.
2529 (legitimate_address_p): Disable machopic addressing for
2531 (legitimize_pic_address): Ditto.
2532 (ix86_expand_move): Ditto.
2533 (ix86_expand_call): Ditto.
2534 (machopic_output_stub): Ditto.
2535 * config/darwin.c (machopic_select_section): Support literal16.
2536 (machopic_select_rtx_section): Ditto.
2537 * config/darwin-sections.def: Ditto.
2538 * config/darwin-64.c: New.
2540 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2543 * c-tree.h (struct c_arg_info): Add pending_sizes.
2544 * c-parser.c (c_parser_parms_declarator,
2545 c_parser_parms_list_declarator): Initialize pending_sizes.
2546 * c-decl.c (get_parm_info): Initialize pending_sizes.
2547 (get_parm_info): Set pending_sizes.
2548 (grokdeclarator): Call put_pending_sizes for parameters for
2549 function definition only.
2551 2006-09-07 Jason Merrill <jason@redhat.com>
2554 * varasm.c (output_constant): Only strip actual no-op conversions.
2557 * config/i386/i386.c (override_options): Use 128-bit
2558 stack boundary if -msse.
2560 2006-09-07 Eric Christopher <echristo@apple.com>
2562 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2564 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2567 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2569 * dwarf2out.c: Remove strange characters from comment above
2570 dwarf2out_frame_debug_expr.
2572 2006-09-07 Eric Christopher <echristo@apple.com>
2574 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2575 * config/darwin.h: ... to here.
2577 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2579 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2581 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2582 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2584 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2585 TARGET_PARTIAL_FLAG_REG_STALL.
2586 (*ashldi3_cconly_rex64): Likewise.
2587 (*ashlsi3_cmp): Likewise.
2588 (*ashlsi3_cconly): Likewise.
2589 (*ashlsi3_cmp_zext): Likewise.
2590 (*ashlhi3_cmp): Likewise.
2591 (*ashlhi3_cconly): Likewise.
2592 (*ashlqi3_cmp): Likewise.
2593 (*ashlqi3_cconly): Likewise.
2594 (*ashrdi3_cmp_rex64): Likewise.
2595 (*ashrdi3_cconly_rex64): Likewise.
2596 (*ashrsi3_cmp): Likewise.
2597 (*ashrsi3_cconly): Likewise.
2598 (*ashrsi3_cmp_zext): Likewise.
2599 (*ashrhi3_cmp): Likewise.
2600 (*ashrhi3_cconly): Likewise.
2601 (*ashrqi3_cmp): Likewise.
2602 (*ashrqi3_cconly): Likewise.
2603 (*lshrdi3_cmp_rex64): Likewise.
2604 (*lshrdi3_cconly_rex64): Likewise.
2605 (*lshrsi3_cmp): Likewise.
2606 (*lshrsi3_cconly): Likewise.
2607 (*lshrsi3_cmp_zext): Likewise.
2608 (*lshrhi3_cmp): Likewise.
2609 (*lshrhi3_cconly): Likewise.
2610 (*lshrqi2_cmp): Likewise.
2611 (*lshrqi2_cconly): Likewise.
2613 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2616 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2617 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2618 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2619 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2620 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2621 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2622 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2623 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2624 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2625 implement only CC setting effects of shift instructions.
2627 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2629 * doc/contrib.texi: Add myself.
2631 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2634 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2635 was set by the user.
2637 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2640 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2641 (divsi_inv_m1): Use them.
2642 (UNSPEC_DIV_INV_TABLE): New constant.
2644 2006-09-06 James E Wilson <wilson@specifix.com>
2647 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2648 then call count_or_remove_death_notes.
2650 2006-09-06 Jason Merrill <jason@redhat.com>
2653 * tree-inline.c (copy_result_decl_to_var): New fn.
2654 (declare_return_variable): Use it. Call declare_inline_vars here.
2655 (expand_call_inline): Not here.
2657 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2659 * doc/contrib.texi: Update my entry.
2661 2006-09-06 Nick Clifton <nickc@redhat.com>
2663 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2665 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2668 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2669 (canonicalize_induction_variables): Likewise.
2670 (tree_unroll_loops_completely): Likewise.
2671 (tree_ssa_prefetch_arrays): Likewise.
2672 (remove_empty_loops): Likewise.
2673 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2674 TODO_cleanup_cfg instead of directly calling
2675 cleanup_tree_cfg_loop.
2676 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2678 (tree_unroll_loops_completely): Likewise.
2679 (remove_empty_loops): Likewise.
2680 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2681 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2682 of tree_ssa_unswitch_loops.
2683 (tree_ssa_loop_ivcanon): Use the return value of
2684 canonicalize_induction_variables.
2685 (tree_ssa_empty_loop): Use the return value of
2687 (tree_complete_unroll): Use the return value of
2688 tree_unroll_loops_completely.
2689 (tree_ssa_loop_prefetch): Use the return value of
2690 tree_ssa_prefetch_arrays.
2691 * passes.c (execute_todo): Before Cleanup CFG, set
2692 updating_used_alone and after cleanup CFG, call
2693 recalculate_used_alone.
2695 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2698 * tree-vect-transform.c (vectorizable_condition): Move the check
2699 for the type after the check for simple condition.
2701 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2702 Kaz Kojima <kkojima@gcc.gnu.org>
2705 * mode-switching.c (optimize_mode_switching): Make the destination
2706 block of an abnormal edge have no anticipatable mode. Don't
2707 insert mode switching code at the end of the source block of
2710 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2712 PR rtl-optimization/26847
2713 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2714 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2715 (simplify_plus_minus): Count n_constants while filling ops. Replace
2716 qsort with insertion sort. Before going through the array to simplify
2717 pairs, sort it. Delay early exit until after the first sort, exiting
2718 only if no swaps occurred. Simplify pairs in reversed order, without
2719 special-casing the first iteration. Pack ops after simplifying pairs.
2721 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2723 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2724 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2725 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2726 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2728 2006-09-05 Richard Guenther <rguenther@suse.de>
2730 PR tree-optimization/28900
2731 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2732 compound conditional before creating COND_EXPR condition.
2734 2006-09-05 Richard Guenther <rguenther@suse.de>
2736 PR tree-optimization/28905
2737 * tree-vrp.c (fix_equivalence_set): Manually implement
2738 !value_ranges_intersect_p to also handle symbolic ranges.
2740 2006-09-05 Richard Guenther <rguenther@suse.de>
2743 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2746 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2748 PR rtl-optimization/27616
2749 * cse.c (table_size): New static variable.
2750 (new_basic_block): Initialize it to 0.
2751 (remove_from_table): Decrement it.
2752 (insert): Increment it.
2753 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2754 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2755 fold_rtx_mem_1 if under the cap.
2756 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2757 the lookup of the equivalent expression and test for equality of the
2758 first operand of the equivalent expression before in turn looking up
2759 an equivalent constant for the second operand.
2761 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2764 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2765 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2766 pointer, instead of assuming it is possible to derive the
2767 correct args size from a call insn.
2769 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2772 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2773 (fold_builtin_mempcpy): Rename to...
2774 (fold_builtin_memory_op): ... this. Optimize one element copy
2776 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2778 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2779 (expand_builtin_memcpy, expand_builtin_mempcpy,
2780 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2781 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2782 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2783 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2785 2006-09-01 DJ Delorie <dj@redhat.com>
2787 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2788 (stzx_16): Likewise.
2789 ("stzx_24_<mode>"): Likewise.
2790 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2791 ("cmp<mode>_op"): New.
2792 (cmp<mode>): Change to expander; just save operands.
2794 (b<code>): Change to expander, emit compare here.
2795 (s<code>_op): Change to use split and expander.
2796 (s<code>_24_op): Likewise.
2797 (s<code>_<mode>): New.
2798 (s<code>_<mode>_24): New.
2799 (movqicc_<code>_<mode): New.
2800 (movhicc_<code>_<mode>): New.
2803 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2804 (m32c_pend_compare): New.
2805 (m32c_unpend_compare): New.
2806 (m32c_expand_scc): New.
2807 (m32c_expand_movcc): Emit the compare also.
2808 * config/m32c/predicates.md (mra_nopp_operand): New.
2810 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2811 Richard Guenther <rguenther@suse.de>
2812 Adam Nemet <anemet@caviumnetworks.com>
2815 * builtins.c (get_pointer_alignment): Handle more forms
2816 of base addresses that can be used to derive more precise
2817 information about alignment.
2819 2006-09-01 Jason Merrill <jason@redhat.com>
2822 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2825 * gimplify.c (voidify_wrapper_expr): Handle null type.
2827 2006-09-01 Josh Conner <jconner@apple.com>
2830 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2831 (execute_return_slot_opt): Use it.
2833 2006-08-31 Josh Conner <jconner@apple.com>
2836 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2837 returning aggregates.
2839 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2841 PR tree-optimization/28839
2842 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2843 blocks in that phi arguments appear.
2845 2006-08-31 Roger Sayle <roger@eyesopen.com>
2848 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2849 NULL, otherwise use an advance_loc4 to adjust relative to the
2851 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2852 (dwarf2out_switch_text_section): Reset the current label to avoid
2853 using advance_loc4 over section boundaries.
2855 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2858 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2859 r12 + SYMBOLIC_CONST.
2861 2006-08-30 Richard Guenther <rguenther@suse.de>
2863 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2865 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2867 PR rtl-optimization/27735
2868 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2869 Add new argument to keep track of whether an irreducible region
2870 was affected. All callers changed.
2871 (fix_irreducible_loops): Removed.
2872 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2873 flags were invalidated.
2875 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2877 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2878 instead of SF operands.
2879 (*fop_df_comm_sse): Likewise.
2880 (*fop_df_comm_i387): Likewise.
2881 (*fop_df_1_mixed): Likewise.
2882 (*fop_df_1_sse): Likewise.
2884 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2885 J"orn Rennecke <joern.rennecke@st.com>
2887 PR tree-optimization/17506
2888 * tree-ssa.c (warn_uninit): If warning about a location outside of
2889 the current function, note where the variable was declared.
2891 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2893 PR tree-optimization/28411
2894 * double-int.c (double_int_div): Use double_int_divmod.
2895 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2896 double_int_mod, double_int_smod, double_int_umod): New functions.
2897 * double-int.h (double_int_divmod, double_int_sdivmod,
2898 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2900 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2902 (get_computation_aff, get_computation_cost_at): Handle double_int
2903 return type of constant_multiple_of.
2905 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2908 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2909 an implicit conversion.
2911 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2913 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2915 2006-08-27 Roger Sayle <roger@eyesopen.com>
2917 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2920 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2922 * config/i386/crtfastmath.c: Fix a comment typo.
2924 2006-08-26 Roger Sayle <roger@eyesopen.com>
2926 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
2927 temporary visit flags on CASE_LABEL_EXPRs.
2928 * c-common.c (match_case_to_enum): Add function comment. Avoid
2929 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
2930 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
2931 CASE_HIGH_SEEN for enumerated types. If the switch expression is
2932 a constant, only warn if that constant value isn't handled.
2934 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
2937 * input.h (restore_input_file_stack): Declare.
2938 (INPUT_FILE_STACK_BITS): Define.
2939 * toplev.c (fs_p, input_file_stack_history,
2940 input_file_stack_restored, restore_input_file_stack): New.
2941 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
2942 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
2943 (pop_srcloc): Don't free old state of stack.
2945 2006-08-26 David Edelsohn <edelsohn@gnu.org>
2948 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2949 (PowerPC Type Attributes): New.
2951 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2953 * config/xtensa/xtensa.c (function_arg_boundary): New.
2954 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2956 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2957 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2959 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2962 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2965 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2967 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2968 (verify_local_live_at_start): Likewise.
2970 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2973 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2974 omp_add_variable): Treat sizes as variable whenever not
2977 2006-08-26 Richard Guenther <rguenther@suse.de>
2980 * fold-const.c (fold_binary): Fold temporary to correct
2981 type before constructing new comparison.
2983 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2986 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2987 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2989 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2992 * c-decl.c (start_function): Don't try to process prototype
2993 information from old declaration that isn't a function.
2995 2006-08-25 Jan Hubicka <jh@suse.cz>
2998 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
3000 2006-08-25 Alan Modra <amodra@bigpond.net.au>
3003 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
3006 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
3008 PR tree-optimization/16876
3009 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
3010 exit if PARM doesn't match VALUE.
3012 2006-08-25 Bob Wilson <bob.wilson@acm.org>
3014 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
3015 literal_prefix directive.
3016 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
3017 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3018 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3020 2006-08-25 David Edelsohn <edelsohn@gnu.org>
3023 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
3024 predicate to general_operand. Add 0->y and I->r alternatives.
3026 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
3028 * doc/tm.texi: Fix a typo.
3029 * predict.c: Fix comment typos.
3031 2006-08-25 Nick Clifton <nickc@redhat.com>
3033 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
3034 assertions of "cpu" and "machine".
3036 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
3039 * tree-ssa-operands.c (access_can_touch_variable): Don't say
3040 the access through a base which has an alias set of 0 cannot
3043 2006-08-24 Bill Wendling <wendling@apple.com>
3045 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3047 2006-08-24 Jan Hubicka <jh@suse.cz>
3049 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3051 2006-08-24 Jan Hubicka <jh@suse.cz>
3054 * cgraph.c: Fix comments.
3055 (cgraph_varpool_mark_needed_node): Mark only variables not already
3057 * cgraphunit.c: Update comments; include gt-cgraphunit.h
3058 (cgraph_varpool_assembled_nodes_queue): New static variable.
3059 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
3060 (cgraph_varpool_output_debug_info): New function.
3061 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
3062 * Makefile.in: Add gt-cgraphunit.h
3064 2006-08-24 Jan Hubicka <jh@suse.cz>
3066 * predict.c (probability_reliable_p): New predicate.
3067 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3068 (predict_loops): Do not predict loop exit with less than 2%
3070 * basic-block.h (edge_probability_reliable_p,
3071 br_prob_note_reliable_p): Declare.
3072 * ia64.h (ia64_print_operand): Do not disable on-chip branch
3073 prediction when static predictor is not reliable.
3074 * rs6000.c (output_cbranch): Likewise.
3076 2006-08-23 Stuart Hastings <stuart@apple.com>
3079 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
3080 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
3082 2006-08-21 Geoffrey Keating <geoffk@apple.com>
3085 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
3086 complex values, nor for generic vector values.
3088 2006-08-22 Richard Guenther <rguenther@suse.de>
3091 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
3092 parameter. Convert arguments to arithmetic expression to the
3094 (analyze_scalar_evolution_1): Adjust caller.
3096 2006-08-22 Jan Hubicka <jh@suse.cz>
3098 Patch by Paolo Bonzini
3099 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
3102 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
3104 PR tree-optimization/28003
3105 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
3106 before grouping aliases.
3108 2006-08-22 Roger Sayle <roger@eyesopen.com>
3110 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
3111 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
3113 2006-08-21 Jason Merrill <jason@redhat.com>
3116 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3117 wrapper. Loop to handle nested wrappers.
3118 (gimplify_bind_expr): Remove temp parameter.
3119 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3120 and STATEMENT_LIST on the rhs.
3121 (gimplify_statement_list): Voidify the STATEMENT_LIST.
3122 (gimplify_expr): Pass pre_p to gimplify_statement_list.
3123 (gimplify_target_expr): Remove special BIND_EXPR handling.
3125 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
3127 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3130 2006-08-21 Olivier Hainque <hainque@adacore.com>
3132 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3133 Arrange for the temporary captures of components overlapping the lhs
3134 to happen before the lhs is possibly cleared.
3136 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
3138 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3139 necessary places to pass the correct "number of registers" values
3142 2006-08-20 Jan Hubicka <jh@suse.cz>
3144 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
3145 (create_name_tags): Instead of quadratic checking use hashtable.
3146 * bitmap.h: Include hashtab.h.
3147 (bitmap_hash): Declare.
3148 * bitmap.c (bitmap_hash): New function.
3150 2006-08-20 Jan Hubicka <jh@suse.cz>
3152 PR rtl-optimization/28071
3153 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3155 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3156 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3157 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3158 cgraph_decide_inlining_incrementally): Update use of
3159 cgraph_check_inline_limits.
3160 * cgraph.c (edge_hash, edge_eq): New function.
3161 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3162 cgraph_edge_remove_caller, cgraph_node_remove_callees,
3163 cgraph_remove_node): Maintain call site hash.
3164 * cgraph.h (struct cgraph_node): Add call_site_hash.
3165 (cgraph_set_call_stmt): New function.
3167 2006-08-20 Jan Hubicka <jh@suse.cz>
3169 PR rtl-optimization/28071
3170 * reload1.c (reg_has_output_reload): Turn into regset.
3171 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3172 choose_reload_regs, emit_reload_insns): Update to new
3173 reg_has_output_reload.
3175 2006-08-20 Jan Hubicka <jh@suse.cz>
3178 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3179 function body sizes.
3180 * cgraphunit.c (cgraph_analyze_function): Don't do so.
3182 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
3185 * tree.c (handle_dll_attribute): Return early if not a
3186 var or function decl.
3188 2006-08-18 Joseph Myers <joseph@codesourcery.com>
3191 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3192 alignment of SPE vector types.
3194 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
3196 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3198 2006-08-17 Jakub Jelinek <jakub@redhat.com>
3201 * cgraph.h (struct cgraph_node): Remove externally_visible
3203 * cgraphunit.c (process_function_and_variable_attributes): Set
3204 local.externally_visible rather than externally_visible.
3207 * c-common.c (handle_externally_visible_attribute): First look
3208 at TREE_CODE and only if it is function or var decl, check for
3209 non-public objects. Don't warn for DECL_EXTERNAL.
3210 * cgraphunit.c (process_function_and_variable_attributes): Warn
3211 if externally_visible attribute is used on non-public object.
3213 2006-08-17 Jan Hubicka <jh@suse.cz>
3215 PR tree-optimization/27865
3216 * reload1.c (forget_marked_reloads): New function.
3217 (forget_old_reloads_1): When data are passed, just mark the registers
3219 (reload_as_needed): Use the new mechanizm.
3221 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
3224 * reload.h (reg_equiv_alt_mem_list): New declaration.
3225 * reload1.c (reg_equiv_alt_mem_list): New definition.
3226 (reload): Initialize it and release it.
3227 (delete_output_reload): Use it.
3228 * reload.c (push_reg_equiv_alt_mem): New function.
3229 (find_reloads_toplev): Call it.
3230 (find_reloads_address, find_reloads_address_1): Likewise.
3231 (find_reloads_subreg_address): Likewise.
3233 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3235 PR rtl-optimization/28489
3236 * sched-ebb.c (begin_schedule_ready): Create basic block
3238 (advance_target_bb): Skip empty blocks.
3239 * haifa-sched.c (bb_note): Make global.
3240 * sched-int.h (bb_note): Add prototype.
3242 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3244 PR tree-optimization/27865
3245 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3247 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3248 fold_used_pointer, pointer_used_p): New functions.
3249 (analyze_scalar_evolution_1): Use fold_used_pointer.
3250 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3251 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3254 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3257 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3258 or the INTEGER_CST. Fail on a CALL_EXPR.
3259 (fold_offsetof): Pass new argument to fold_offsetof_1.
3260 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3261 operand into an INDIRECT_REF.
3262 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3264 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3266 PR gcov/profile/26570
3267 * value-prof.c (static_values): Removed.
3268 (tree_find_values_to_profile): Do not set static_values.
3269 (find_values_to_profile): Do not free static_values.
3270 * profile.c (instrument_values): Do not free the values.
3271 (branch_prob): Free the values.
3273 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3275 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3277 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3280 * c-typeck.c (build_component_ref): Combine qualifiers of
3281 structure or union and field.
3283 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3285 PR rtl-optimization/28071
3286 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3287 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3288 * tree-into-ssa.c (struct dom_dfsnum): New.
3289 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3291 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3292 compute_global_livein.
3293 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3294 in phi nodes in the correct blocks.
3296 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3298 PR tree-optimization/28364
3299 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3301 (fold_affine_expr): New function.
3302 (may_eliminate_iv): Use fold_affine_expr.
3304 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3307 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3310 2006-08-16 Mike Stump <mrs@apple.com>
3312 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3313 * doc/cppopts.texi (-MD): Likewise.
3315 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
3318 * c-common.c (handle_weak_attribute): Ignore and warn if
3319 not a FUNCTION_ or VAR_DECL.
3321 2006-07-15 Mike Stump <mrs@apple.com>
3324 * c-parser.c (c_parser_typeof_specifier): Don't use
3325 c_finish_expr_stmt, open code desired semantics instead.
3327 2006-08-15 Nick Clifton <nickc@redhat.com>
3329 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3330 fragment to tmake_file only if threads are enabled.
3331 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3332 * config/i386/t-gthr-win32: New file. ... here.
3334 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3337 * c-parser.c (c_parser_compound_statement_nostart): Reset
3338 parser->error after each statement.
3340 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3343 * omp-low.c (lower_omp_parallel): Convert t to
3344 receiver_decl's type.
3345 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3346 source before comparison.
3349 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3350 to itype in assignment to oldival2.
3352 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3356 * c-typeck.c (build_compound_expr): If the second expression
3357 is an error mark, then just return an error mark instead of
3358 creating a COMPOUND_EXPR.
3360 2006-07-14 Mike Stump <mrs@apple.com>
3362 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3364 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3366 * c-decl.c, var-tracking.c: Fix comment typos.
3368 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3370 PR rtl-optimization/28634
3371 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3372 for floating-point modes unless flag_unsafe_math_optimizations.
3374 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3375 Andrew Pinski <pinskia@physics.uc.edu>
3378 * tree.c (build_array_type): Unify array types with
3379 unspecified index_type.
3380 * c-decl.c (grokdeclarator): Make sure we do not modify a
3381 unified incomplete array type.
3382 * c-typeck.c (store_init_value): Create distinct type before
3383 filling in the index type in an initializer from a compound
3386 * c-decl.c (grokdeclarator): Remove code where we copy the
3389 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3391 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3392 into account for TODO_dump_cgraph.
3393 (TODO_update_ssa_no_phi): Likewise.
3394 (TODO_update_ssa_full_phi): Likewise.
3395 (TODO_update_ssa_only_virtuals): Likewise.
3396 (TODO_remove_unused_locals): Likewise.
3397 (TODO_set_props): Likewise.
3398 (TODO_update_stmt_usage): Likewise.
3400 2006-08-13 Dirk Mueller <dmueller@suse.de>
3402 * c-common.c (strict_aliasing_warning): Fix formatting.
3404 2006-08-13 Matthias Klose <doko@debian.org>
3406 * doc/invoke.texi: Fix spelling errors.
3408 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3410 PR rtl-optimization/23454
3411 * reorg.c (relax_delay_slots): Update comment.
3413 2006-08-11 Richard Guenther <rguenther@suse.de>
3416 * simplify-rtx.c (simplify_const_relational_operation):
3417 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3420 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3422 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3423 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3425 2006-08-10 Paul Brook <paul@codesourcery.com>
3427 * final.c (final_scan_insn): Clear current_insn_predicate before
3428 outputting inline asm.
3430 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3432 PR tree-optimization/26197
3433 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3434 get_ref_base_and_extent and overlap_subvar to add only relevant
3435 subvars as may-aliases.
3436 (add_may_alias_for_new_tag): New function, factored out of
3438 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3439 with additional argument.
3440 * tree-flow.h (new_type_alias): Takes additional argument.
3442 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3444 * gcov.c (no_data_file): New flag.
3445 (read_count_file): Set it if data file not present. Assume counts
3447 (output_lines): Don't name the data file, if there wasn't one.
3449 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3451 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3452 (rs6000_generate_compare): Tweak comments.
3453 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3455 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3457 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3458 (var_debug_decl): New function.
3459 (var_reg_set): Follow debug decl link. Add location even if
3460 reg is already known to hold some other variable.
3461 (var_mem_set): Follow debug decl link.
3462 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3463 decl link. Delete other known locations of the variable part
3465 (var_reg_delete, var_mem_delete): Delete other known locations
3466 of the variable part if requested.
3467 (same_variable_part_p): New function.
3468 (add_stores): Select MO_COPY when appropriate.
3469 (vt_initialize): Handle it.
3470 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3471 known locations for MO_SET and MO_CLOBBER.
3472 (find_variable_location_part): New function.
3473 (set_variable_part, delete_variable_part): Use it.
3474 (clobber_variable_part): New function.
3475 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3478 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3480 PR tree-optimization/26969
3481 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3482 with an empty list of PHIs.
3484 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3488 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3491 2006-08-06 Andreas Schwab <schwab@suse.de>
3493 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3494 string. Whitespace and comment fixup.
3496 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3499 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3503 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3506 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3508 2006-08-04 Jan Hubicka <jh@suse.cz>
3512 * reload.c (push_reload): Patch out the mismatching instruction;
3514 (find_reload): Bail out if the instruction was patched out.
3516 2006-08-04 Jan Hubicka <jh@suse.cz>
3518 PR tree-optimization/24888
3519 * tree-inline.c (expand_call_inline): Do not re-record variables.
3520 (declare_inline_vars): Add variable to unexpanded_var_list.
3522 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3523 Roger Sayle <roger@eyesopen.com>
3525 PR rtl-optimization/26244
3526 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3527 inner_const are negative or greater than or equal to the bitsize of
3528 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3529 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3530 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3531 CONST0_RTX (mode) when the new shift count is greater than or equal to
3532 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3535 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3537 * tree-cfg.c: Fix a comment typo.
3539 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3542 * varasm.c (output_constant): Give the front end another chance to
3543 expand constants, after stripping NOPs.
3545 2006-08-03 Jan Hubicka <jh@suse.cz>
3547 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3550 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3552 PR tree-optimization/27770
3553 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3554 declaration removed (moved to tree-flow.h).
3555 (vect_can_force_dr_alignment_p): Likewise.
3556 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3557 (moved from tree-vectorizer.h).
3558 (vect_can_force_dr_alignment_p): Likewise.
3559 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3560 from outside the vectorizer - in particular from cgraph stage.
3561 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3562 the alignment of global arrays when -fsection-anchors is enabled.
3563 * cgraphunit.c (cgraph_increase_alignment): New function.
3564 (cgraph_optimize): Call cgraph_increase_alignment.
3566 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3569 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3570 not reload a SPE symbol_ref into a lo_sum address.
3572 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3575 * dwarf2out.c (prune_unused_types_prune): Move call to
3576 prune_unused_types_update_strings to cover the parent DIE also.
3578 2006-08-02 Jan Hubicka <jh@suse.cz>
3580 PR gcov/profile/28480
3581 * tree-cfg.c (change_bb_for_stmt): New function.
3582 (tree_merge_blocks, tree_split_blocks): Use it.
3584 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3590 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3591 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3592 (cgraph_optimize): Likewise.
3594 2006-08-01 Stuart Hastings <stuart@apple.com>
3596 * rtl.h (UINTVAL) New.
3597 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3598 * testsuite/gcc.dg/20060801-1.c: New.
3600 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3603 * c-typeck.c (build_external_type): Mark used enum types.
3604 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3606 (gen_subprogram_die): Whitespace fix.
3608 2006-08-01 Jan Hubicka <jh@suse.cz>
3610 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3611 bitmap when not needed.
3612 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3615 2006-08-01 Dirk Mueller <dmueller@suse.de>
3617 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3619 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3621 * Makefile.in: Revert part of previous patch:
3622 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3625 2006-07-30 Eric Christopher <echristo@apple.com>
3628 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3629 (PowerPC Variable Attributes): New section.
3631 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3633 PR target/28126 (partial fix)
3634 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3636 2006-07-28 Jan Hubicka <jh@suse.cz>
3638 PR rtl-optimization/28071
3639 * cfgrtl.c (rtl_delete_block): Free regsets.
3640 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3642 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3644 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3645 and variables used in dependencies.
3647 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3649 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3650 %fs for -mcmodel=kernel.
3651 (stack_tls_protect_test_di): Likewise.
3653 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3655 * Makefile.in: Use mkinstalldirs.
3657 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3660 * opts-common.c (prune_options): Skip joined switches.
3662 2006-07-27 Jan Hubicka <jh@suse.cz>
3664 PR rtl-optimization/28071
3665 * cselib.c (cselib_process_insn): Don't remove useless values too
3666 often for very large hashtables.
3668 2006-07-27 Jan Hubicka <jh@suse.cz>
3670 PR rtl-optimization/28071
3671 * global.c (greg_obstack): New obstack.
3672 (allocate_bb_info): Use it.
3673 (free_bb_info): Likewise.
3674 (modify_reg_pav): Likewise.
3676 2006-07-27 Roger Sayle <roger@eyesopen.com>
3678 * builtins.c (fold_fixed_mathfn): When long and long long are the
3679 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3680 functions to their lceil*, lfloor*, lround* and lrint* forms.
3682 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3685 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3687 (rev_branch_insn): Likewise.
3689 2006-07-27 Jan Hubicka <jh@suse.cz>
3691 PR rtl-optimization/28071
3692 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3693 (reg_set_in_bb, max_reg_computed): New static variables.
3694 (regmove_optimize): Free the new array.
3695 (fixup_match_1): Update call of reg_is_remote_constant_p.
3697 2006-07-26 Jan Hubicka <jh@suse.cz>
3699 PR tree-optimization/27882
3700 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3702 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3704 (cgraph_analyze_compilation_unit): Likewise.
3705 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3706 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3707 (cgraph_early_inlinine): Make order garbage collected.
3708 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3710 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3712 * dbxout.c (output_types_sort): Add a comment.
3713 (output_used_types): Free the VEC.
3715 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3717 * function.c (reorder_fix_fragments): Delete.
3718 (reorder_blocks): Don't call it.
3719 (reorder_blocks_1): Put all subblocks under the origin block.
3721 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3723 PR rtl-optimization/27907
3724 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3727 2006-07-25 Roger Sayle <roger@eyesopen.com>
3730 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3731 bar(x) check that bar's result type can represent all the values of T.
3733 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3735 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3737 2006-07-25 Nick Clifton <nickc@redhat.com>
3739 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3740 size_lookup[] array.
3741 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3742 (ggc_pch_count_object): Likewise.
3743 (ggc_pch_alloc_object): Likewise.
3744 (ggc_pch_write_object): Likewise.
3745 (init_ggc): Do not attempt to initialize entries in the
3746 size_lookup[] array for objects whose size is greater than than
3747 the length of the array.
3749 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3751 * dbxout.c (output_used_types_helper): Push queued types
3753 (output_types_sort): New.
3754 (output_used_types): Collect used types on a VEC and sort them
3757 2006-07-24 Richard Guenther <rguenther@suse.de>
3760 * cgraph.c (cgraph_remove_node): Do not check if dumps
3762 * cgraphunit.c (cgraph_optimize): Likewise.
3764 2006-07-24 Jan Hubicka <jh@suse.cz>
3766 PR rtl-optimization/28071
3767 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3768 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3769 splitting before first stmt.
3771 2006-07-24 Jan Hubicka <jh@suse.cz>
3773 PR rtl-optimization/28071
3774 * ipa-inline.c (update_caller_keys): Remove edges that
3775 are no longer inline candidates.
3777 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3780 * dbxout.c (output_used_types_helper, output_used_types): New.
3781 (dbxout_symbol): Call output_used_types.
3783 2006-07-23 Jan Hubicka <jh@suse.cz>
3787 * cgraph.c (cgraph_varpool_nodes): Export.
3788 (decide_is_variable_needed): Ignored "used" attribute in
3789 unit-at-a-time mode.
3790 * cgraph.h (cgraph_varpool_nodes): Declare.
3791 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3792 unit-at-a-time mode.
3794 2006-07-23 Roger Sayle <roger@eyesopen.com>
3797 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3798 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3799 the __gthrw form of thr_keycreate.
3800 (__gthread_key_delete): Silence the unused argument warning.
3802 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3805 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3806 Cache the last found '\0' marker to avoid quadratic behavior.
3808 2006-07-23 Jan Hubicka <jh@suse.cz>
3810 * i386.md (subsi_3_zext): Fix output template.
3812 2006-07-21 Mike Stump <mrs@apple.com>
3814 * doc/invoke.texi (C++ Dialect Options): Note that
3815 -fvisibility-inlines-hidden doesn't affect explicitly
3816 instantiationed inline methods.
3818 2006-07-20 Roger Sayle <roger@eyesopen.com>
3820 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3821 if the target assembler is GNU binutils' gas.
3822 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3823 whether to pass GNU gas or native as command line options.
3825 2006-07-20 Jason Merrill <jason@redhat.com>
3827 * tree.c (remove_attribute): New fn.
3828 * tree.h: Declare it.
3830 2006-07-20 Paul Brook <paul@codesourcery.com>
3833 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3834 they are invalidated by this instruction.
3836 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3839 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3841 2006-07-20 Eric Christopher <echristo@apple.com>
3844 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3846 2006-07-19 Eric Christopher <echristo@apple.com>
3848 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3849 Rewrite dependencies for libgcc_s.1.dylib.
3851 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3853 * except.c (duplicate_eh_regions_1): Clear next_peer.
3855 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3857 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3858 -mlongcall does not guarantee all calls will be long.
3859 * doc/extend.texi (long_call/short_call): Document that longcall
3860 does not guarantee a long call will be used.
3861 (longcall/shortcall): Likewise.
3863 2006-07-18 Roger Sayle <roger@eyesopen.com>
3866 * expmed.c (expand_shift): Additionally check that the shift_cost
3867 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3868 before implementing a LSHIFT_EXPR as a sequence of additions.
3869 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3870 middle-end that DImode shifts need to be synthesized by expand.
3872 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3875 * tree-ssa-operands.c (access_can_touch_variable): Update
3877 Return true if ALIAS is .GLOBAL_VAR.
3879 2006-07-18 David Daney <ddaney@avtrex.com>
3881 * gcc.c (display_help): Fix typo in help text.
3883 2006-07-18 Olivier Hainque <hainque@adacore.com>
3885 * tree.h (categorize_ctor_elements): Adjust prototype and add
3886 descriptive comment, both in accordance with the interface change
3888 * varasm.c (constructor_static_from_elts_p): New function.
3889 Whether a constructor node is a valid static constant initializer
3890 if all its elements are.
3891 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3892 * output.h: Declare it.
3893 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3894 is a valid constant initializer instead of computing the number of
3895 non-constant elements. Use constructor_static_from_elts_p for this
3896 purpose. Replace the head comment with an indication that this is a
3897 helper for categorize_ctor_elements.
3898 (categorize_ctor_elements): Same interface change as for the _1
3899 helper. Former head comment from this helper moved here, adjusted to
3900 account for the interface changes.
3901 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3902 (all_zeros_p): Likewise.
3903 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3904 static versions of the constructor from the categorize_ctor_elements
3905 return value instead of the formerly computed number of non-constant
3908 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3910 * configure: Regenerate.
3911 * Makefile.in (build_libsubdir): New configure substitution
3912 (build_libobjdir): New variable.
3913 (BUILD_LIBIBERTY): Use it.
3915 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3918 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3920 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3923 * c-common.c (handle_weakref_attribute): Ignore attribute in
3924 the same conditions the alias attribute is ignored.
3926 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
3928 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
3929 (dbxout_begin_prologue): Increment scope_labelno.
3931 2006-07-17 Richard Henderson <rth@redhat.com>
3934 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
3937 2006-07-17 Roger Sayle <roger@eyesopen.com>
3938 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3940 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
3941 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
3942 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
3943 functions such as sbrk, write, etc.. Add function prototypes.
3944 Convert function declarations from K&R to ISO C. Cast pointers
3945 to "long" and "unsigned long" instead of "int" and "unsigned int".
3946 Convert tokens following #endif into comments.
3948 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3950 * invoke.texi: Remove mention of f77; Reformat table for
3951 inline parameter options correctly; mention that -malign-double
3952 is default on x86-64 targets.
3954 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3956 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3957 (convert_affine_scev, chrec_convert_aggressive): Use
3958 avoid_arithmetics_in_type_p. Do not check for the subtypes
3961 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3964 * optabs.c (expand_doubleword_shift): Wrap the call to
3965 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3967 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3970 * optabs.c (expand_binop): Pass next_methods rather than methods
3971 to expand_doubleword_shift.
3973 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3976 * tree.h (dump_addr): Declare.
3977 * print-tree.c (dump_addr): New function.
3978 (print_node_brief, print_node): Use it.
3979 * print-rtl.c (print_rtx): Likewise.
3980 * common.opt (-fdump-noaddr): New option.
3981 * doc/invoke.texi (-fdump-noaddr): Document.
3982 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3983 (ve_info_hash): Likewise.
3985 2006-07-13 Andrew Haley <aph@redhat.com>
3987 PR tree-optimization/19505
3988 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3989 edge leaving this block, make sure that the destination of this
3990 block has only one predecessor.
3992 2006-07-17 Richard Guenther <rguenther@suse.de>
3994 PR tree-optimization/28238
3995 * tree-inline.c (copy_bb): Check if we produced valid
3996 gimple copying and substituting a stmt. If not, gimplify
3999 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
4001 * optabs.c (maybe_encapsulate_block): New function extracted from...
4002 (emit_libcall_block): ...here. Invoke it on the block of insns to
4003 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
4004 (emit_no_conflict_block): Likewise.
4006 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4008 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
4010 2006-07-15 Roger Sayle <roger@eyesopen.com>
4012 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
4013 a new NOP_EXPR case of the switch statement.
4015 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
4018 * stor-layout.c (place_field): Take the bit field with
4019 an excessive size into account in the ms-bitfiled case.
4022 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
4023 the previous bit field.
4025 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
4028 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
4030 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4032 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
4033 signal frames correctly even when the signal was installed with
4036 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
4038 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
4039 (dbxout_function_end): Use local label LFBB. Remove hook
4041 (dbxout_source_line): Use local label LFBB.
4042 (dbxout_block): Likewise.
4043 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
4044 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
4045 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
4046 and DBX_OUTPUT_NFUN.
4048 2006-07-13 Janis Johnson <janis187@us.ibm.com>
4050 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4052 2006-07-13 Jan Hubicka <jh@suse.cz>
4054 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4056 * output.h (align_variable): Declare.
4057 * varasm.c (align_variable): Export.
4058 * value-prof.c (tree_value_profile_transformations): Recompute iterator
4059 when basic block changed.
4061 2006-07-13 Nick Clifton <nickc@redhat.com>
4063 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4064 walking the LOG_LINKS chain.
4066 2006-07-12 Geoffrey Keating <geoffk@apple.com>
4068 * doc/invoke.texi (C++ Dialect Options): Explain difference
4069 between -fvisibility-inlines-hidden and setting hidden
4070 visibility explicitly.
4072 2006-07-12 Eric Christopher <echristo@apple.com>
4074 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4075 (stmp-lipo): Depend on libgcc.a.
4077 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
4079 * tree.c: Fix a comment typo.
4081 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
4083 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
4085 (umulhisi3_r): Likewise.
4087 2006-07-12 Paolo Carlini <pcarlini@suse.de>
4090 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
4091 x < 19, vs wchar_t support.
4093 2006-07-12 Nick Clifton <nickc@redhat.com>
4095 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
4096 instead of -isa=sh4.
4098 2006-07-12 Mike Stump <mrs@apple.com>
4100 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
4102 2006-07-10 Eric Christopher <echristo@apple.com>
4104 * config/t-slibgcc-darwin: Rewrite.
4106 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
4109 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
4112 2006-07-08 Matthias Klose <doko@debian.org>
4114 * doc/sourcebuild.texi: Fix typo.
4116 2006-07-07 Mike Stump <mrs@apple.com>
4118 * toplev.c (process_options): Don't give -ffunction-sections may
4119 affect debugging warning for Mach-O.
4121 2006-07-07 James E Wilson <wilson@specifix.com>
4123 * config/mips/mips.md (cpu): Add sb1a.
4124 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4125 addition to sb1. Adjust comments to clarify SB-1A differences from
4127 (ir_sb1a_load): New. Modify bypasses to use it.
4128 (ir_sb1a_simple_alu): Likewise.
4129 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4130 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4131 (mips_issue_rate): Add PROCESSOR_SB1A.
4132 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4133 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4134 (TARGET_SB1): Add PROCESSOR_SB1A check.
4135 (TUNE_SB1): Likewise.
4137 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4138 * config/mips/mips.c (mips_store_data_bypass_p): New.
4139 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
4140 store_data_bypass_p.
4142 2006-07-08 Paul Brook <paul@codesourcery.com>
4145 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4147 2006-07-07 Richard Guenther <rguenther@suse.de>
4150 * tree.h (build_one_cst): Declare.
4151 * tree.c (build_one_cst): New function.
4152 * tree-ssa-math-opts.c (get_constant_one): Remove.
4153 (insert_reciprocals): Use build_one_cst.
4154 * fold-const.c (fold_plusminus_mult): Likewise.
4156 2006-07-07 Roger Sayle <roger@eyesopen.com>
4158 * pointer-set.c (pointer_set_destroy): Correct whitespace.
4159 * cfgloopanal.c (dump_graph): Likewise.
4160 * dojump.c (discard_pending_stack_adjust): Likewise.
4161 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4163 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4164 * function.c (finalize_block_changes): Likewise.
4165 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4166 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4167 * rtl.c (dump_rtx_statistics): Likewise.
4168 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4170 * varray.c (dump_varray_statistics): Likewise.
4171 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4172 decode_decimal64, encode_decimal128, decode_decimal128,
4173 decimal_real_to_decimal): Likewise.
4175 2006-07-07 Richard Guenther <rguenther@suse.de>
4177 PR tree-optimization/28187
4178 * tree-vrp.c (vrp_operand_equal_p): New function.
4179 (vrp_bitmap_equal_p): Likewise.
4180 (update_value_range): Use them to compare old and new
4183 2006-07-06 Roger Sayle <roger@eyesopen.com>
4185 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4186 a default case to switch statement to silence compiler warnings.
4188 2006-07-06 Roger Sayle <roger@eyesopen.com>
4191 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4192 the configured assembler supports the x87's ffreep mnemonic.
4193 * configure: Regenerate.
4194 * config.in: Regenerate.
4196 * config/i386/i386.c (output_387_ffreep): New function.
4197 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4198 (output_387_reg_move): Likewise.
4200 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
4202 Port to hosts whose 'sort' and 'tail' implementations
4203 treat operands with leading '+' as file names, as POSIX
4204 has required since 2001. However, make sure the code still
4205 works on pre-POSIX hosts.
4206 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4207 which says you should use "tail -c +N" rather than "tail +Nc".
4208 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4210 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
4212 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4215 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4218 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4219 PRE_{INC,DEC} of TFmode.
4221 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4222 Alan Modra <amodra@bigpond.net.au>
4225 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4228 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4231 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4232 Remove duplicate gtu.
4234 2006-07-05 Jason Merrill <jason@redhat.com>
4238 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4239 * c-common.c (handle_packed_attribute): So don't copy it here.
4240 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4242 2006-07-05 Mike Stump <mrs@apple.com>
4244 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4246 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4249 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4251 2006-07-05 Richard Guenther <rguenther@suse.de>
4254 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4255 TARGET_SSE2 targets if using SSE math.
4256 (*absdf2_1): Likewise.
4258 2006-07-05 Richard Guenther <rguenther@suse.de>
4260 PR tree-optimization/28162
4261 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4262 make sure to convert the operands to the correct type.
4264 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4266 PR tree-optimization/28218
4268 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4269 to calculate and free the dominator information.
4271 2006-07-04 Peter O'Gorman <peter@pogma.com>
4273 * mklibgcc.in: chmod 644 before ranlib during install.
4275 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4276 J"orn Rennecke <joern.rennecke@st.com>
4278 * configure.ac (.eh_frame data check): Use diff -b.
4280 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4283 * Makefile.in (BUILD_RTL): Add build/vec.o.
4284 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4285 (build/genextract): Delete.
4286 (build/genautomata): Likewise.
4288 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4291 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4292 128-bit IBM long doubles for ABI_V4.
4294 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4296 * tree.c (range_in_array_bounds_p): New predicate.
4297 * tree.h (range_in_array_bounds_p): Declare it.
4298 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4299 return a less conservative answer.
4300 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4301 and flag 'is_group'.
4302 (IS_ELEMENT_FOR_GROUP): New macro.
4303 (FOR_EACH_ACTUAL_CHILD): Likewise.
4304 (next_child_for_group): New helper function.
4305 (can_completely_scalarize_p): Take into account groups.
4306 (sra_hash_tree): Handle RANGE_EXPR.
4307 (sra_elt_eq): Likewise.
4308 (lookup_element): Be prepared for handling groups.
4309 (is_valid_const_index): Delete.
4310 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4311 instead of is_valid_const_index.
4312 <ARRAY_RANGE_REF>: New case.
4313 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4314 is_valid_const_index.
4315 <ARRAY_RANGE_REF>: Do not unconditionally punt.
4316 (scan_dump): Dump info for groups too.
4317 (decide_instantiation_1): Likewise.
4318 (decide_block_copy): Assert that the element is not a group.
4319 Propagate decision to groups.
4320 (generate_one_element_ref): Handle RANGE_EXPR.
4321 (mark_no_warning): Iterate over actual childs.
4322 (generate_copy_inout): Likewise.
4323 (generate_element_copy): Likewise.
4324 (generate_element_zero): Likewise.
4325 (generate_element_init_1): Likewise.
4326 (dump_sra_elt_name): Handle RANGE_EXPR.
4328 2006-07-03 Roger Sayle <roger@eyesopen.com>
4330 PR tree-optimization/26251
4331 * tree-ssa-threadupdate.c (redirection_block_p): New function.
4332 (thread_block): When optimizing for size refuse to thread jumps
4333 that would require duplication of blocks other than redirection
4336 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4338 * configure.ac: Fix thinko in previous check-in.
4339 * configure: Regenerate.
4341 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4344 * configure.ac (for lang...): Simplify nesting of conditionals.
4345 Test subdir_requires for non-enabled languages. Move processing
4346 of lang_opt_files and lang_tree_fiels below that test.
4347 * configure: Regenerate.
4348 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4350 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4352 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4354 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4356 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4359 2006-06-29 Jason Merrill <jason@redhat.com>
4366 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4367 * c-common.c (c_determine_visibility): Handle it here.
4368 * c-decl.c (finish_decl): Call c_determine_visibility for
4370 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4372 * varasm.c (default_assemble_visibility): Likewise.
4373 * c-common.c (handle_visibility_attribute): Complain about trying
4374 to give visibility to an already defined class, or trying to change
4375 declared visibility. Always attach the attribute.
4380 * attribs.c (decl_attributes): Ignore type-in-place attributes
4381 once the type has been defined.
4383 2006-06-29 Roger Sayle <roger@eyesopen.com>
4386 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4387 to indicate the cpplib has issued an error message for us.
4389 2006-06-29 Asher Langton <langton2@llnl.gov>
4392 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4393 insert a label at the end of an function under Mach-O.
4395 2006-06-29 Eric Christopher <echristo@apple.com>
4396 Evan Cheng <evan.cheng@apple.com>
4398 * predicates.md (vector_all_ones_operand): New.
4399 (nonimmediate_or_sse_const_operand): Ditto.
4400 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4401 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4402 (standard_sse_mode_p): Ditto.
4403 (standard_sse_constant_p): Add case for -1 vector.
4404 (ix86_expand_vector_move): Try to use.
4405 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4406 Call standard_sse_constant_opcode.
4407 (*movv4sf_internal): Ditto.
4408 (*movv2df_internal): Ditto.
4410 2006-06-29 Roger Sayle <roger@eyesopen.com>
4412 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4413 of XEXP to extract the operands of a MATCH_CODE rtx.
4415 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4417 * tree.c (tree_size): Do not waste tail padding in
4418 struct tree_string and make the size be the same as
4419 build_string will generate.
4421 2006-06-28 Jason Merrill <jason@redhat.com>
4424 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4425 may_aliases already in the tag's annotations to the bitmap.
4427 2006-06-28 Roger Sayle <roger@eyesopen.com>
4429 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4431 2006-06-28 Roger Sayle <roger@eyesopen.com>
4433 * genpreds.c (generate_switch_p): New function.
4434 (add_mode_tests): Push the new mode test down inside an AND expr
4435 if this allows the switch-suitable MATCH_CODE to be near the root.
4436 (write_match_code_switch): New function to write a MATCH_CODE as
4438 (write_predicate_stmts): New function to write a predicate RTX
4439 expression as a sequence of statements.
4440 (write_one_predicate_function): Use write_predicate_stmts.
4441 (write_tm_constrs_h): Likewise.
4443 2006-06-26 Fred Fish <fnf@specifix.com>
4445 * config/mips/t-sb1: New file.
4446 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4449 2006-06-26 DJ Delorie <dj@redhat.com>
4451 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4453 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4454 Jayant Sonar <jayants@kpitcummins.com>
4455 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4457 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4458 (subsi3, subsi3_1, subsi3_2): New.
4459 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4460 * config/m32c/mov.md (SI mov peephole): New.
4461 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4462 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4464 2006-06-26 Olivier Hainque <hainque@adacore.com>
4466 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4467 a CALL_EXPR target function declaration.
4469 2006-06-26 Richard Guenther <rguenther@suse.de>
4471 * tree.c (build_string): Do not waste tail padding in
4474 2006-06-26 Richard Guenther <rguenther@suse.de>
4476 * ggc-page.c (init_ggc): Add missing element to size_lookup
4480 2006-06-23 Richard Guenther <rguenther@suse.de>
4482 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4483 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4484 alignment requests instead. Add verification code.
4485 Add struct tree_function_decl and struct tree_binfo size to
4486 extra_order_size_table. Add missing element to size_lookup
4489 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4492 * fold-const.c (const_binop): Be prepared for self returning zero.
4493 Simplify code handling complex values.
4495 2006-06-24 Olivier Hainque <hainque@adacore.com>
4497 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4498 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4501 2006-06-24 Olivier Hainque <hainque@adacore.com>
4503 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4504 ARRAY_REF, so have the callback called for the low bound expression.
4506 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4508 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4509 * c-typeck.c (c_common_type): Disallow operations on decimal float
4510 types and other float types.
4511 * convert.c (convert_to_real): Don't ignore conversions involving
4512 decimal float types.
4514 2006-06-23 Olivier Hainque <hainque@adacore.com>
4516 * tree.c (max_int_size_in_bytes): New function, inspired from
4517 code in function.c:assign_temp.
4518 * tree.h (max_int_size_in_bytes): Declare.
4519 * function.c (assign_temp): Use it.
4520 * gimplify.c (create_tmp_var): Relax the assertions on the type
4521 properties, not mandating constant size any more.
4522 (force_constant_size): New static function.
4523 (gimple_add_tmp_var): Use it, forcing variable size to a
4524 constant upper bound if it is not constant on entry.
4526 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4529 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4530 for initialization and setting of one_only flag to ...
4531 (i386_pe_encode_section_info): ...here.
4532 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4533 Recheck that the symbol has not been defined.
4535 2006-06-23 Richard Guenther <rguenther@suse.de>
4537 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4538 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4539 alignment requests instead. Add verification code.
4540 Add struct tree_function_decl and struct tree_binfo size to
4541 extra_order_size_table. Add missing element to size_lookup
4544 2006-06-22 Roger Sayle <roger@eyesopen.com>
4545 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4548 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4549 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4551 2006-06-23 Ben Elliston <bje@au.ibm.com>
4553 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4554 negate dn -- manipulate it directly.
4556 2006-06-22 Roger Sayle <roger@eyesopen.com>
4557 Steven Bosscher <stevenb.gcc@gmail.com>
4560 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4561 generated by gen_move_insn to add REG_LABEL notes if necessary.
4563 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4565 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4566 (leaf_entry): Remove use of MIN_ESA.
4568 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4570 PR rtl-optimization/28121
4571 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4574 2006-06-21 DJ Delorie <dj@redhat.com>
4576 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4578 (mulhisi3_r): Likewise.
4580 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4583 * coverage.c (coverage_counter_alloc): Leave the index type
4585 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4588 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4590 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4591 section from the "Options for Code Generation Conventions".
4593 2006-06-21 Richard Henderson <rth@redhat.com>
4597 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4599 (global_symbolic_operand): Allow weak symbols, even if local_p.
4601 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4603 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4604 (find_interesting_uses_address): Punt if above function returns true.
4606 2006-06-21 Richard Guenther <rguenther@suse.de>
4608 * configure: Regenerated.
4610 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4612 * config/mips/mips.c (function_arg): Where one part of a
4613 complex argument is in registers and the other part in the stack,
4614 return a REG not a PARALLEL.
4616 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4618 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4619 when cross-compiling. Do not substitute libstdcxx_incdir.
4620 * configure: Regenerated.
4622 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4624 * varasm.c (mergeable_string_section): Check for embedded NULs and
4625 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4626 rather than TREE_STRING_LENGTH bytes.
4628 2006-06-21 Richard Guenther <rguenther@suse.de>
4630 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4631 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4634 2006-06-21 Richrad Guenther <rguenther@suse.de>
4636 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4637 Limit iteration over the dominators.
4639 2006-06-20 Roger Sayle <roger@eyesopen.com>
4641 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4642 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4644 2006-06-20 Richard Guenther <rguenther@suse.de>
4645 Michael Matz <matz@suse.de>
4647 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4649 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4650 * et-forest.h (et_free_pools): Prototype new function.
4651 * et-forest.c (et_free_tree_force): Free parent occurrence.
4652 (et_free_pools): New function.
4653 * dominance.c (free_dominance_info): Free et-forest alloc
4656 2006-06-20 Roger Sayle <roger@eyesopen.com>
4658 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4659 integer modes, attempt to directly construct an integer constant.
4661 * fold-const.c (native_encode_vector): Determine the size of each
4662 element from the vector type instead of the first vector element.
4664 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4665 if all of its elements/components are constant.
4666 (build_constructor_from_list): Likewise.
4668 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4670 PR tree-optimization/27331
4671 * tree-data-ref.c (free_data_ref): New function.
4672 (create_data_ref): Fail if the data reference has unknown access
4674 (free_data_refs): Use free_data_ref.
4676 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4679 * tree-inline.c (setup_one_parameter): Strip useless
4680 type conversion before adding it to the IR.
4681 (declare_return_variable): Likewise.
4683 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4686 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4688 2006-06-19 Mike Stump <mrs@apple.com>
4690 * tree.c (variably_modified_type_p): VM arguments don't make the
4693 2006-06-19 Richard Guenther <rguenther@suse.de>
4695 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4696 type conversions after folding.
4698 2006-06-19 Richard Guenther <rguenther@suse.de>
4700 * ggc-page.c (extra_order_size_tab): Add entries with
4701 size of struct function and basic_block.
4702 (size_lookup): Extend to cover sizes up to 511.
4703 (ggc_alloc_stat): Adjust user.
4704 (ggc_pch_count_object): Likewise.
4705 (ggc_pch_alloc_object): Likewise.
4706 (ggc_pch_write_object): Likewise.
4708 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4710 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4711 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4714 2006-06-19 Denis Chertykov <denisc@overta.ru>
4716 * config/avr/libgcc.S : Correct my wrong previous commit.
4718 2006-06-19 Roger Sayle <roger@eyesopen.com>
4721 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4722 have stripped a SUBREG from the shift count, so we may need to
4723 convert_to_mode back to the type's mode before calling make_tree.
4724 Use new_amount instead of amount to avoid expanding a tree twice.
4726 2006-06-19 Richard Guenther <rguenther@suse.de>
4729 * fold-const.c (operand_equal_p): Check if the argument types
4730 have the same precision before stripping NOPs.
4732 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4734 Fix PR tree-optimization/27341
4735 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4737 * tree-complex.c (pass_lower_complex): Update SMT usage.
4739 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4741 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4742 Add a new alternative to the constraint strings. Add move of
4743 operand 1 to 3 to the splitter definition.
4744 ("doloop_si_long"): Second contraint alternative removed.
4746 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4748 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4749 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4751 (AVR_HAVE_MOVW) Define.
4752 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4753 (ASM_SPEC): Add avr25.
4754 (LINK_SPEC): Add avr25.
4755 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4756 (base_arch_s): Add new member 'have_movw_lpmx'.
4757 (avr_arch_types): Init 'have_movw_lpmx'.
4758 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4759 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4760 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4761 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4762 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4764 (avr_file_start): Do not output '.arh' derective.
4765 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4766 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4767 * config/avr/avr.md (mcu_enhanced): Delete.
4768 (mcu_have_movw): Define.
4769 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4770 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4771 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4772 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4773 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4774 attiny861 and at86rf401 devices.
4776 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4778 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4781 2006-06-17 Karl Berry <karl@gnu.org>
4783 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4784 doc/gccint.texi, doc/install.texi (@dircategory): Use
4785 "Software development" instead of "Programming", following
4786 the Free Software Directory.
4788 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4790 * config/i386/i386.c (legitimate_tls_address)
4791 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4792 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4793 (*tls_dynamic_gnu2_combine_64): Likewise.
4795 2006-06-16 Richard Guenther <rguenther@suse.de>
4798 * fold-const.c (negate_expr_p): Do not introduce undefined
4799 overflow in negating INTEGER_CSTs.
4800 (fold_negate_expr): Rename from negate_expr. Revert last
4801 change for folding BIT_NOT_EXPR. Change semantics to
4802 return NULL_TREE for non-simplified negations. Do not
4803 strip type conversions and unify type handling.
4804 (negate_expr): New function, wrap around fold_negate_expr
4805 but ensure building a tree always. Strip type conversions
4806 here, fold to result type.
4807 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4809 2006-06-16 Roger Sayle <roger@eyesopen.com>
4812 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4813 that (would) return their results in stack registers.
4815 2006-06-16 Michael Matz <matz@suse.de>
4816 Richard Guenther <rguenther@suse.de>
4818 * fold-const.c (fold_truthop): Only return new tree node if
4819 we canonicalized something.
4821 2006-06-16 Richard Guenther <rguenther@suse.de>
4823 * function.h (enum function_frequency): Move declaration
4824 out of struct function.
4825 (struct function): Move bool fields and the enum to the bitfield
4826 section. Reorder elements to avoid padding. Remove unused
4827 fields left over from the RTL inliner removal.
4828 * function.c (free_after_compilation): Do not zero removed fields.
4829 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4830 (ipa-type-escape.o): Likewise.
4832 2006-06-16 Richard Guenther <rguenther@suse.de>
4834 * cgraph.h (struct cgraph_local_info): Turn bool elements
4836 (struct cgraph_node): Likewise.
4837 (struct cgraph_varpool_node): Likewise.
4839 2006-06-15 Richard Guenther <rguenther@suse.de>
4841 * fold-const.c (fold_truth_not_expr): Rename from
4842 invert_truthvalue. Give it fold_* semantics to avoid
4844 (invert_truthvalue): New function. Wrapper around
4845 fold_truth_not_expr.
4846 (optimize_minmax_comparison): Avoid creating garbage.
4847 (fold_unary): Use fold_truth_not_expr for folding
4849 (fold_ternary): Replace uses of invert_truthvalue with
4850 fold_truth_not_expr where applicable.
4851 * tree.h (fold_truth_not_expr): Prototype.
4853 2006-06-16 Richard Guenther <rguenther@suse.de>
4855 PR tree-optimization/27781
4856 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4857 * ipa-pure-const.c (target.h): Include.
4858 (analyze_function): Do not analyze functions that do not
4861 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4864 * tree-dfa.c (referenced_vars_dup_list): Remove.
4865 (find_referenced_vars): Remove assert.
4866 (referenced_var_check_and_insert): Replace dup list with assert.
4867 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4868 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4870 2006-06-15 Richard Guenther <rguenther@suse.de>
4872 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4873 extra unused identifiers if not dumping.
4874 (create_variable_info_for): Likewise.
4876 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4878 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4879 (derive_constant_upper_bound): Derive more precise upper bound in
4880 common cases. Return type changed to double_int.
4881 (record_estimate): Reflect the changed return type of
4882 derive_constant_upper_bound.
4883 * double-int.c (double_int_zext, double_int_sext): Fix.
4885 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4887 * configure.ac (CFLAGS): Get them from the toplevel or from the
4888 configure invocation.
4889 * configure: Regenerate.
4890 * Makefile.in (CFLAGS): Substitute value provided by configure.
4892 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4895 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4896 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4897 rather than calling add_stmt on it.
4898 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4900 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4903 * reload1.c (reload): Remove registers returned by update_eliminables
4904 from used_spill_regs.
4906 2006-06-13 DJ Delorie <dj@redhat.com>
4908 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4910 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4912 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4913 html__strip_dir, html__mkdir_p. Enhance install-html target.
4914 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4915 * configure: Regenerate.
4917 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4919 * fold-const.c (fold_cond_expr_with_comparison): Check for
4920 Objective-C++ as language in deciding COND_EXPR transformation.
4922 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
4925 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
4926 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
4927 * config/sh/lib1funcs.h (SL, SL1): Define.
4928 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
4929 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
4930 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
4931 (OBJS_Os_4_200): New variable.
4932 ($(T)libgcc-Os-4-200.a): Use it.
4933 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
4934 when dividing 1 and/or by 0.
4936 2006-06-13 Roger Sayle <roger@eyesopen.com>
4938 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
4939 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
4940 * configure: Regenerate.
4942 2006-06-13 Jie Zhang <jie.zhang@analog.com>
4944 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
4945 for real instruction.
4947 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4950 * haifa-sched.c (check_cfg): Handle special case.
4952 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4955 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4956 Add debug_info parameter. Chain the vars to the BLOCK instead
4957 of the BIND_EXPR if debug info are requested for them.
4958 (pop_gimplify_context): Adjust for above change.
4959 (gimple_add_tmp_var): Likewise.
4960 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4962 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4963 (convert_local_reference): Likewise.
4964 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4965 (finalize_nesting_tree_1): Request that debug info be emitted
4966 for debug_var_chain.
4968 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4970 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4971 for PR target/27863.
4973 2006-06-13 Richard Guenther <rguenther@suse.de>
4976 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4978 2006-06-13 Richard Guenther <rguenther@suse.de>
4980 PR tree-optimization/27830
4981 * tree-inline.c (copy_body_r): For copying the operand
4982 of an ADDR_EXPR make sure to fold &* afterwards.
4984 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4986 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4987 lvalues in the fb_none case with side-effects.
4989 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4991 * tree-flow.h: Remove the prototype for
4992 compute_phi_arg_on_exit.
4993 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4994 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4997 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4999 * builtins.c (expand_builtin_return_addr): Only use
5000 frame_pointer_rtx when count == 0 and we are expanding
5001 __builtin_return_address.
5003 2006-06-12 Fred Fish <fnf@specifix.com>
5005 * config/mips/mips.c (mips_file_start): Create special section
5006 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
5008 2006-06-11 Eric Christopher <echristo@apple.com>
5011 * stor-layout.c (place_field): Remove check for
5012 remaining_in_alignment when aligning at the end of a run.
5014 2006-06-11 Eric Christopher <echristo@apple.com>
5017 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
5020 2006-06-11 Roger Sayle <roger@eyesopen.com>
5023 Revert incorrect fix for PR target/27158
5024 2006-05-08 Roger Sayle <roger@eyesopen.com>
5025 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5026 of a reg_equiv_constant if the result is a legitimate constant.
5028 2006-06-11 Roger Sayle <roger@eyesopen.com>
5031 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5032 extract a CONST_VECTOR element and interpret it as an integer.
5033 (vspltis_constant): Use const_vector_elt_as_int instead of the
5034 macro CONST_VECTOR_ELT in order to handle FP vector modes.
5035 * config/rs6000/predicates.md (easy_vector_const): Consider
5036 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
5038 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
5041 * stor-layout.c (update_alignment_for_field): Don't add extra
5042 alignment for packed non-bitfield fields in ms_bitfield_layout_p
5045 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
5047 * config/mips/t-rtems: Add EL/EB multilib variants.
5049 2006-06-09 Mike Stump <mrs@apple.com>
5051 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5053 2006-06-09 David Daney <ddaney@avtrex.com>
5055 * doc/install.texi: Add binutils version recommendation for mips-*-*.
5057 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
5059 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
5061 2006-06-09 Richard Guenther <rguenther@suse.de>
5063 PR tree-optimization/26998
5064 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
5065 of signed types, only TYPE_MIN_VALUE is special, but for both,
5066 minimum and maximum value. Likewise VR_ANTI_RANGE is special
5067 in this case, as is -fwrapv.
5069 2006-06-08 Mike Stump <mrs@apple.com>
5072 * config/darwin.c (darwin_asm_output_anchor): Disable
5073 -fsection-anchors on darwin for now.
5074 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
5075 * rs6000/rs6000.c (optimization_options): Likewise.
5077 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5080 * config/i386/i386.c (classify_argument): Skip fields with invalid
5083 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
5085 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
5086 (cse_insn): Likewise for the stack_pointer_rtx.
5088 2006-06-08 Roger Sayle <roger@eyesopen.com>
5090 * tree-ssa-dom.c (record_conditions): Only record "unordered"
5091 conditions from floating point comparisons.
5093 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
5096 * expmed.c (struct alg_hash_entry): Fix type of field T
5097 to match synth_mult argument.
5098 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
5100 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5103 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
5106 2006-06-08 Richard Guenther <rguenther@suse.de>
5109 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
5110 only, if overflow is defined and not trapping.
5111 (negate_expr): Likewise.
5113 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5115 PR tree-optimization/27872
5116 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5117 flag on the new exit edge of the unrolled loop.
5119 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5121 PR rtl-optimization/26449
5122 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5124 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
5127 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
5128 referenced_variables with matching DECL_UID's.
5129 (find_referenced_vars): Make sure duplicate list is empty to start.
5130 (referenced_var_p): Remove.
5131 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5132 Check if var is in the list, and add if needed. Update the duplicate
5133 list if a different var is in the list with the same DECL_UID.
5134 (add_referenced_var): Call routine to check and insert.
5135 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5136 * tree-flow.h (referenced_vars_dup_list): External declaration.
5138 2006-06-07 Fred Fish <fnf@specifix.com>
5140 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5143 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
5146 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5147 the imaginary and real parts of a clobbered register.
5148 Emit insn to set the imaginary part.
5150 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
5152 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5153 in lieu of unwind-dw2-fde.c.
5155 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5157 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5159 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
5162 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5163 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5164 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5165 V4SImode temporaries and operations instead.
5167 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
5169 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5172 2006-06-06 Mike Stump <mrs@apple.com>
5174 * Makefile.in: Rename to htmldir to build_htmldir to avoid
5175 installing during build.
5177 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5179 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5181 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5182 * config/ia64/ia64.c (params.h): New header.
5183 (ia64_optimization_options): New function to adjust parameters.
5184 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5185 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5186 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5188 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
5190 * stor-layout.c (debug_rli): Fix a typo in a debug message.
5192 2006-06-05 Steve Ellcey <sje@cup.hp.com>
5195 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5197 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
5198 Victor Kaplansky <victork@il.ibm.com>
5200 PR tree-optimization/26360
5201 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5204 2006-06-04 Roger Sayle <roger@eyesopen.com>
5205 Andrew Pinski <pinskia@physics.uc.edu>
5208 * c-common.c (c_common_truthvalue_conversion): Explicitly check
5209 for LABEL_DECL before calling DECL_WEAK.
5212 * c-typeck.c (build_binary_op): Likewise, explicitly check for
5213 LABEL_DECL and PARM_DECL.
5215 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
5219 * c-decl.c (grokdeclarator): Disallow variably modified types at
5220 file scope. Avoid marking shared array type of constant size as
5223 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5226 * c-common.c (fold_offsetof_1): Handle static members.
5228 2006-06-04 Eric Christopher <echristo@apple.com>
5230 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5231 (debug_rli): Output value for remaining_in_alignment.
5232 (update_alignment_for_field): Unconditionalize
5233 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5234 extra alignment code.
5235 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5236 ms_bitfield_layout_p code. Rewrite handling of structure fields.
5237 * tree.h (record_layout_info_s): Remove prev_packed.
5238 * doc/extend.texi (ms_struct): Add documentation of format.
5240 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5242 * tree.h: Declare folding_initializer.
5243 * builtins.c (fold_builtin_constant_p): Give definite answer
5244 if folding inside an initializer.
5245 * fold-const.c: Define folding_initializer.
5246 (START_FOLD_INIT): Save and then set folding_initializer.
5247 (END_FOLD_INIT): Restore folding_initializer.
5249 2006-06-04 Richard Guenther <rguenther@suse.de>
5251 PR tree-optimization/27039
5252 * fold-const.c (fold_comparison): Handle pointer comparison
5253 again for all comparison codes. Compare offsets in signed
5255 (fold_binary): Move code from here.
5257 2006-06-03 Roger Sayle <roger@eyesopen.com>
5260 * config/i386/i386.c (construct_container): Split static issued_error
5261 flag into issued_sse_arg_error, issued_sse_ret_error and
5262 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5263 requires the use of x87 registers and the user explicitly
5264 specified the -mno-80387 command line option.
5266 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5268 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5269 HAVE_DECL_SIGALTSTACK.
5271 (segv_handler): Use MC_FLD.
5272 * configure.ac: Check for a sigaltstack declaration.
5273 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5274 * configure: Regenerate.
5275 * config.in: Regenerate.
5277 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5280 * Makefile.in (stmp-fixinc): Fix typo.
5282 2006-06-02 Roger Sayle <roger@eyesopen.com>
5284 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5285 are type correct. Clean-up.
5286 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5287 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5289 2006-06-01 DJ Delorie <dj@redhat.com>
5291 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5292 shift, as we've disabled the "switch" insn that needs it.
5294 2006-06-01 Per Bothner <bothner@bothner.com>
5296 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5297 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5298 * c-ppoutput.c (cb_define): Don't increment line 0.
5300 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
5302 * doc/invoke.texi: Add cpu_type power6.
5303 * config.gcc: Add cpu_type power6.
5304 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5305 to power5+ with Altivec.
5306 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5307 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5309 2006-05-30 Anatoly Sokolov <aesok@post.ru>
5311 * config/avr/avr.h (SET_ASM_OP): Define.
5313 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
5315 * config/bfin/bfin.c: Fix comment typos.
5317 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5320 * doc/install.texi: Document --enable-bootstrap and
5321 --disable-bootstrap.
5323 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5325 * doc/install.texi: Document that InfoZIP can replace jar.
5327 2006-05-31 Roger Sayle <roger@eyesopen.com>
5329 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5330 isn't available, directly generate the simpler x87 patterns without
5331 the (use (const_int 0)).
5332 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5333 implementation isn't available.
5334 (*negdf2_1): Likewise.
5335 (*negxf2_1): XF mode negation is always done using the x87.
5336 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5338 2006-05-31 Roger Sayle <roger@eyesopen.com>
5340 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5341 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5343 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5345 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5347 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5348 * config/bfin/bfin.c (basic-block.h): Include.
5349 (struct machine_function): New.
5350 (bfin_init_machine_status): New.
5351 (override_options): Initialize init_machine_status.
5352 (bfin_hardware_loop): New.
5353 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5354 (DEF_VEC_P (loop_info)): New.
5355 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5356 (struct loop_info): New.
5357 (loop_info): New typedef.
5358 (struct loop_work): New.
5359 (loop_work): New typedef.
5360 (DEF_VEC_O (loop_work)): New.
5361 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5362 (bfin_dump_loops): New.
5363 (bfin_bb_in_loop): New.
5364 (bfin_scan_loop): New.
5365 (bfin_optimize_loop): New.
5366 (bfin_reorg_loops): New.
5367 (bfin_reorg): Use bfin_reorg_loops.
5368 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5370 (I_REGNO_P): Simplify.
5371 (DP_REGNO_P, DPREG_P): New macros.
5372 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5373 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5374 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5375 Add LT_REGS, LC_REGS, LB_REGS.
5376 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5378 (REGNO_REG_CLASS): Deal with loop registers.
5379 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5381 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5382 New constants for loop registers.
5383 (UNSPEC_LSETUP_END): New.
5384 (seq_insns): New define_attr. Set it for appropriate insns.
5385 (movsi_insn): Add alternatives for move from/to
5386 loop count registers.
5387 (doloop_end): New define_expand.
5388 (loop_end): New define_insn.
5389 (define_split for bad doloop_end): New.
5390 (lsetup_with_autoinit): New define_insn.
5391 (lsetup_without_autoinit): New define_insn.
5392 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5393 * config/bfin/predicates.md (lc_register_operand): New.
5394 (lt_register_operand): New.
5395 (lb_register_operand): New.
5396 (nondp_register_operand): New.
5397 (nondp_reg_or_memory_operand): New.
5398 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5400 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5402 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5403 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5405 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5407 * Makefile.in (CATALOGS): Add po/ prefix.
5408 * configure: Regenerated.
5410 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5413 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5414 a shift operand before calling shift_op. Avoid redundant call of
5417 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5418 DJ Delorie <dj@redhat.com>
5420 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5421 we're inserting is a singlt-bit constant.
5423 2006-05-30 Roger Sayle <roger@eyesopen.com>
5425 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5426 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5428 2006-05-30 Roger Sayle <roger@eyesopen.com>
5430 PR tree-optimization/23452
5431 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5432 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5433 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5434 complex values and with -ffast-math for FP complex values.
5436 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5438 * c-common.h: Remove the prototype for yyparse.
5439 * rtl.h: Remove the prototype for init_loop.
5441 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5443 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5446 2006-05-30 Roger Sayle <roger@eyesopen.com>
5448 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5450 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5451 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5453 2006-05-30 Dirk Mueller <dmueller@suse.de>
5456 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5457 for CONSTANT_CLASS_P expresisons.
5459 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5462 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5464 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5466 PR tree-optimization/27779
5467 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5468 initial_condition instead of CHREC_LEFT.
5470 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5472 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5473 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5474 Make prototypes ISO C90.
5476 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5477 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5479 * see.c (see_analyze_one_def): Correct check.
5480 (see_get_extension_data): Check if extension is parallel.
5481 (see_get_extension_reg): Likewise.
5483 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5486 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5487 into register for (code == GTU).
5489 2006-05-29 Roger Sayle <roger@eyesopen.com>
5491 PR tree-optimization/24964
5492 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5493 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5494 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5495 abs(x)*abs(x) as x*x for scalar floating point modes.
5497 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5500 * lambda-code.c (perfect_nestify): Don't copy statements
5501 in the inner loop: move them to the inner loop header.
5503 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5506 * c-tree.texi: Document OpenMP directives and clauses.
5508 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5510 * varasm.c (globalize_decl): Fix indentation.
5512 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5515 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5516 pass_fre, pass_store_ccp, pass_copy_prop,
5517 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5518 pass_return_slot, pass_object_size, pass_lim,
5519 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5520 pass_loop_prefetch and pass_stdarg.
5522 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5524 * config/bfin/bfin.opt (mfdpic): New option.
5525 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5526 (EXTRA_MULTILIB_PARTS): Likewise.
5527 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5528 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5530 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5531 (CRT_CALL_STATIC_FUNCTION): New.
5532 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5534 (CRT_CALL_STATIC_FUNCTION): New.
5535 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5537 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5538 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5539 (initialize_trampoline): Changed to handle FD-PIC code generation.
5540 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5541 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5542 (override_options): Disallow -mid-shared-library -mfdpic combination.
5543 Can't do unaligned ops if FD-PIC.
5544 Turn off flag_pic if trying to generate non-id-shared-library
5545 non-fdpic code, since it's not supported.
5546 (bfin_assemble_integer): New function.
5547 (TARGET_ASM_INTEGER): Define.
5548 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5550 * config/bfin/crtn.s: Restore them.
5551 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5553 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5554 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5555 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5556 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5557 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5559 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5560 FDPIC_REGS and FDPIC_FPTR_REGS.
5561 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5562 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5563 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5564 (load_funcdescsi): New pattern.
5565 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5566 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5567 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5569 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5571 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5574 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5576 * tree-flow.h: Remove the prototype for add_type_alias.
5577 * tree-ssa-alias.c (add_type_alias): Remove.
5579 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5581 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5582 config/fr30/fr30.md, config/i386/i386-interix.h,
5583 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5584 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5585 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5586 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5587 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5588 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5589 Follow spelling conventions.
5590 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5591 Follow spelling conventions.
5593 2006-05-27 Richard Guenther <rguenther@suse.de>
5596 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5597 to produce a constant of value 1 of generic type.
5599 2006-05-27 Dirk Mueller <dmueller@suse.de>
5601 * cgraphunit.c (decide_is_function_needed): Fix wrong
5604 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5606 PR rtl-optimization/27661
5607 * reload.c (find_reloads): When reloading a VOIDmode constant
5608 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5609 use Pmode as mode of the reload register.
5611 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5613 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5614 is enabled at -O and above.
5616 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5619 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5622 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5625 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5626 for anonymous variables explicitly declared by front ends.
5628 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5630 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5631 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5632 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5633 ref-all pointers, run a finalization pass for them.
5634 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5635 (finalize_ref_all_pointers): New function.
5636 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5637 regular pointer type to a ref-all pointer type.
5638 (get_tmt_for): Return the special memory tag for ref-all pointers.
5640 2006-05-25 Richard Guenther <rguenther@suse.de>
5643 * fold-const.c (fold_binary): Do not look at the stripped
5644 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5646 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5648 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5649 for LT and GT if the computed range is effectively empty.
5651 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5654 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5655 mips_quad_format formats instead of ieee_single_format,
5656 ieee_double_format and ieee_quad_format formats, respectively.
5658 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5660 PR tree-optimization/27639
5661 PR tree-optimization/26719
5662 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5663 call to scev_probably_wraps_p.
5664 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5665 used_in_pointer_arithmetic_p, convert_step): Removed.
5666 (nowrap_type_p): New function.
5667 (scev_probably_wraps_p): Rewritten.
5668 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5669 chrec_convert if chrec_convert_aggressive might have been used.
5670 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5671 scev_direction): New functions.
5672 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5673 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5674 instead of convert_step.
5675 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5676 (convert_step): Declaration removed.
5677 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5679 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5681 * df-core.c: Added to header comments.
5682 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5683 df_ur_bb_info, df_urec_bb_info): Added comments.
5684 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5685 urec, ri problems): Fixed header comments.
5686 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5687 code from df_rd_transfer_function.
5689 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5691 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5692 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5693 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5695 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5697 * expr.c (undefined_operand_subword_p): New.
5698 (emit_move_multi_word): Do not generate move from undefined bits
5699 of a paradoxical subreg.
5701 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5703 PR rtl-optimization/27736
5704 * combine.c (replaced_rhs_value): New variable.
5705 (combine_instructions): Set it.
5706 (distribute_notes): When distributing a note in replaced_rhs_insn,
5707 check whether the value was used in replaced_rhs_value.
5709 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5712 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5713 add_referenced_var instead of add_referenced_tmp_var.
5714 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5715 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5717 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5718 tree_optimize_tail_calls_1): Use add_referenced_var.
5719 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5720 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5721 Use add_referenced_var.
5722 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5723 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5724 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5725 Use add_referenced_var.
5726 * tree-dfa.c (struct walk_state): Remove.
5727 (find_referenced_vars): Remove walk state and vars_found hash table.
5728 (make_rename_temp): Use add_referenced_var.
5729 (find_vars_r): Pass less parameters to add_referenced_var.
5730 (referenced_var_p): New. Is var in referenced_var hash table.
5731 (referenced_var_insert): Assert var isn't already in hash table.
5732 (add_referenced_var): Don't need walk_state parameter. Add var if it
5733 isn't already in the hash table.
5734 (add_referenced_tmp_var): Remove.
5735 (find_new_referenced_vars_1): Use add_referenced_var.
5736 * tree-ssa-pre.c (create_expression_by_pieces,
5737 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5738 Use add_referenced_var.
5739 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5740 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5741 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5743 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5744 vect_create_data_ref_ptr, vect_create_destination_var,
5745 vect_init_vector, vect_build_loop_niters,
5746 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5747 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5748 Use add_referenced_var.
5749 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5750 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5751 (add_referenced_var): Add prototype.
5752 * tree-ssa-structalias.c (get_constraint_for,
5753 intra_create_variable_infos): Use add_referenced_var.
5755 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5757 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5758 big-endian paradoxical subregs.
5759 * var-tracking.c (struct micro_operation_def): Document that,
5760 for modify micro operations, insn is the subsequent instruction.
5761 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5762 (var_reg_set, var_mem_set): ... new functions.
5763 (add_stores): Record subsequent insn.
5764 (compute_bb_dataflow): Use new functions for MO_USE.
5765 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5766 notes after the insn, and modify notes before the insn known
5767 to be the subsequent one.
5768 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5770 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5773 * config/i386/i386.c (ix86_expand_builtin): Use
5774 gen_sse3_monitor64 for TARGET_64BIT.
5776 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5778 PR rtl-optimization/26375
5779 PR rtl-optimization/26855
5780 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5782 (df_ru_bb_local_compute): Reversed statements and removed bogus
5783 comment explaining why they should be in wrong order.
5784 (df_ru_dump, df_rd_dump): Enhanced debug info.
5785 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5787 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5788 reaching uses and fixed space problem.
5790 2006-05-23 Jan Hubicka <jh@suse.cz>
5792 * cgraphunit.c (decide_is_function_needed): Also nested functions
5793 and functions declared inline can be optimized out at -O0.
5795 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5797 * doc/install.texi (Configuration): Remove reference to CrossGCC
5801 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5804 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5805 ix86_compare_emitted is non-NULL.
5807 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5810 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5813 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5815 PR rtl-optimization/25514
5816 * combine.c (replaced_rhs_insn): New variable.
5817 (combine_instructions): Set replaced_rhs_insn when trying to replace
5818 a SET_SRC with a REG_EQUAL note.
5819 (distribute_notes): Use replaced_rhs_insn when determining the live
5820 range of a REG_DEAD register.
5822 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5823 Anatoly Sokolov <aesok@post.ru>
5825 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5826 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5827 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5828 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5829 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5830 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5831 at90usb647, at90usb1286 and at90usb1287 devices.
5832 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5833 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5835 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5837 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5839 2006-05-22 Richard Guenther <rguenther@suse.de>
5842 2006-01-31 Richard Guenther <rguenther@suse.de>
5843 Paolo Bonzini <bonzini@gnu.org>
5845 * doc/install.texi (--disable-libgcc-math): Document.
5847 2006-05-22 Richard Guenther <rguenther@suse.de>
5850 2006-01-31 Richard Guenther <rguenther@suse.de>
5852 * doc/invoke.texi (-msselibm): Document.
5853 * target.h (expand_library_builtin): New target hook.
5854 * builtins.c (expand_builtin): Use expand_library_builtin.
5855 (default_expand_library_builtin): New function.
5856 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5857 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5858 (link_gcc_math_spec): Declare.
5859 (static_specs): Add link_gcc_math_spec.
5860 * expr.h (default_expand_library_builtin): Declare.
5861 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5862 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5863 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5864 * config/i386/i386.opt (msselibm): New target option.
5865 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5866 (ix86_init_sse_abi_builtins): New function.
5867 (ix86_expand_library_builtin): Likewise.
5868 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5869 (override_options): Handle error conditions wrt -msselibm.
5870 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5871 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5872 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5875 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5878 * c-common.c (self_promoting_args_p): Skip erroneous args.
5881 * c-decl.c (finish_struct): Skip erroneous fields.
5883 2006-05-22 Nick Clifton <nickc@redhat.com>
5885 * config/cris/cris.opt (march): Remove VarExists attribute.
5886 (max-stackframe=): Likewise.
5888 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5890 * doc/rtl.texi: Fix a typo.
5891 * see.c: Fix comment typos.
5893 * tree-ssa-structalias.h (alias_info): Remove num_references.
5895 2006-05-21 Mike Stump <mrs@apple.com>
5897 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5899 (darwin_pragma_options): Use BAD instead.
5900 (darwin_pragma_unused): Likewise.
5901 (darwin_pragma_ms_struct): Likewise.
5903 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5905 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5907 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5909 PR rtl-optimization/27671
5910 * simplify-rtx.c (simplify_relational_operation_1): Fix
5911 simplifications of (eq/ne (xor x y) y) and
5912 (eq/ne (xor x y) x).
5914 PR tree-optimization/26622.
5915 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5918 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5920 * tree-cfg.c: Prune whitespace.
5921 (debug_tree_cfg): Point to correct header containing the
5924 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5927 * cgraphunit.c (verify_cgraph_node): Typo in error message.
5929 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
5932 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
5933 or sorry count is non zero.
5935 2006-05-20 Andreas Schwab <schwab@suse.de>
5937 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5939 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
5940 Kenneth Zadeck <zadeck@naturalbridge.com>
5942 PR rtl-optimization/26855
5944 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
5946 (df_scan_alloc): Added code to properly handle multiword hard
5947 registers and add all_blocks parameter.
5948 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5949 code to properly handle multiword hard registers.
5950 (df_rescan_blocks): Added code to remove deleted blocks from
5952 (df_ref_create_structure, df_ref_record): Added code to properly
5954 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5955 and set DF_REF_PARTIAL.
5956 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5957 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5958 (df_scan_add_problem): Added flags parameter.
5959 (df_ref_create_structure): Changed switching structure.
5960 (df_bb_refs_record): Fixed case where duplicate artificial refs
5961 were created. Changed location of flags.
5962 (df_record_entry_block_defs): Added code to make stack pointer
5963 live in entry block. Refined cases where frame pointer is needed.
5964 Changed location of flags.
5965 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5966 (df_set_state): Removed function.
5967 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5968 df_insn_create_insn_record, df_insn_refs_delete,
5969 df_ref_create_structure): Formatting changes.
5970 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5971 df_delete_basic_block): New function.
5972 (df_init): Changed location of flags.
5973 (df_add_problem): Added flags parameter and the way flags are
5975 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5976 debug_df_chain): Improved debugging output.
5977 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5978 (df_refs_chain_dump): Removed df parameter.
5979 (df_iterative_dataflow): Added consistency check.
5980 (df_prune_to_subcfg): Made public.
5981 (df_analyze_problem): Added blocks_to_init parameter and made
5983 (df_ref_record, df_bb_refs_record, df_mark_reg,
5984 df_record_exit_block_uses): Whitespace changes.
5985 (df_dump): Whitespace changes.
5986 * df.h: Some reordering to remove forward references.
5987 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5988 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5989 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5990 (dataflow.flags): New field.
5991 (df.flag): Deleted field.
5992 (df_alloc_function): Added additional bitmap parameter.
5993 (df_dependent_problem_function): New type.
5994 (df_problem.changeable_flags): New field.
5995 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5996 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5997 (df_mw_hardreg): New struct.
5998 (DF_INSN_UID_MWS): New macro.
5999 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
6001 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
6002 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
6003 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
6004 (df_set_state): Removed function.
6005 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
6006 * df-problems.c (df_chain_dump): Removed df parameter.
6007 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
6008 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
6010 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
6011 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
6012 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
6013 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
6014 DF_REF_MUST_CLOBBER cases.
6015 (df_ru_bb_local_compute_process_def,
6016 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
6017 df_lr_bb_local_compute, df_ur_bb_local_compute,
6018 df_chain_create_bb): Made subreg aware.
6019 (df_ru_bb_local_compute, df_rd_bb_local_compute,
6020 df_lr_bb_local_compute, df_lr_bb_local_compute,
6021 df_chain_create_bb): Cleanup to use proper macros.
6022 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
6023 code to fixup bitvectors.
6024 (df_ri_alloc): Cleared lifetime.
6025 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
6026 df_create_unused_note): New function.
6027 (df_ri_bb_compute, df_ri_compute): Added code to create/update
6028 REG_DEAD and REG_UNUSED notes as well as register information.
6029 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
6030 df_chains_dump): Fixed crash if problem was never run.
6031 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
6032 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
6033 df_ri_add_problem): Processes flags in uniform manner.
6034 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
6035 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
6036 df_rd_dump, df_urec_free_bb_info): Formatting changes.
6037 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
6038 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
6039 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
6040 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
6041 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
6042 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
6043 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
6044 * see.c (see_initialize_data): Ditto.
6045 * final.c (rest_of_clean_state) Added regstack_completed.
6046 * rtl.h (regstack_completed): Ditto.
6047 * reg-stack.c (regstack_completed): Ditto.
6049 2006-05-19 Mike Stump <mrs@apple.com>
6051 * c-tree.h (default_conversion): Remove.
6052 * c-common.h (default_conversion): Add.
6054 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
6056 * tree-vrp.c (valid_value_p): New function.
6057 (adjust_range_with_scev): Fail if the value of bound is not
6060 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6062 * config/mips/linux-unwind.h: Include <asm/unistd.h>
6063 (mips_fallback_frame_state): Use syscall numbers to determine
6064 the appropriate li instruction for the current ABI. Only use
6065 __NR_sigreturn for o32.
6067 2006-05-19 Nicolas Setton <setton@adacore.com>
6069 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6070 * langhooks.c (lhd_dwarf_name): New function.
6071 * langhooks-def.h (lhd_dwarf_name): Declare.
6072 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
6073 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
6074 * ada/misc.c (gnat_dwarf_name): New function.
6075 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
6077 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6079 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
6081 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6082 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
6083 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
6084 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
6085 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
6086 determine the size of Wtype, etc.
6087 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
6088 (swfloatfuncs): New variable.
6089 (dwfloatfuncs): Likewise.
6090 (lib2funcs): Remove floating-point conversion functions from
6091 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
6092 the set of conversion routines needed. Allow entries to specify
6093 an object name, filename and word size. Update users accordingly.
6094 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
6095 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
6099 2006-02-08 Roger Sayle <roger@eyesopen.com>
6102 * config/fixtfdi.c: New libgcc source file.
6103 * config/fixunstfdi.c: New source file.
6104 * config/floatditf.c: New source file.
6105 * config/floatunditf.c: New souce file.
6106 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6107 files above instead of config/mips/_tilib.c.
6108 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6110 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6112 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
6113 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
6115 2006-05-18 Mike Stump <mrs@apple.com>
6117 Fix up vla, vm and [*] sematics.
6123 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6124 (c_vla_unspec_p): Add.
6125 (c_vla_type_p): Add.
6126 * c-decl.c (struct c_scope): Add had_vla_unspec.
6127 (build_array_declarator): Add support for [*].
6128 (grokdeclarator): Likewise.
6129 (grokparms): Likewise.
6130 (get_parm_info): Likewise.
6131 * c-objc-common.c (c_vla_unspec_p): Likewise.
6132 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6133 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6134 typeof when argument is a variably modified type not inside sizeof or alignof.
6135 (c_parser_direct_declarator_inner): Propagate errors.
6136 (c_parser_sizeof_expression): Add support for [*].
6137 (c_parser_parms_declarator): Initialize had_vla_unspec.
6138 (c_parser_parms_list_declarator): Likewise.
6139 * c-typeck.c (c_vla_type_p): Add.
6140 (composite_type): Add support for vla compositing.
6141 (comptypes_internal): Add support for vla compatibility.
6142 (c_expr_sizeof_expr): Evaluate vla arguments.
6143 * tree.c (variably_modified_type_p): Update comment for [*].
6145 2006-05-18 Michael Matz <matz@suse.de>
6148 * config.host: Make assignments to host_xmake_file cumulative.
6149 * config.host (*-darwin*): Test $host, not $target.
6151 2006-05-12 Stuart Hastings <stuart@apple.com>
6153 * config/i386/i386.opt (-mstackrealign): New flag.
6154 * config/i386/i386.c (force_align_arg_pointer): New attribute.
6155 (ix86_handle_cconv_attribute): Emit error when
6156 force_align_arg_pointer attribute collides with too many regparms.
6157 (ix86_function_regparm): Limit regparms when used with
6158 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
6159 Support stack-realigning prologue in non-main functions. Emit
6160 warning for nested functions under -mstackrealign, emit error for
6161 nested functions with force_align_arg_pointer attribute.
6162 * doc/extend.texi (force_align_arg_pointer): Document it.
6163 * doc/invoke.texi (-mstackrealign): Document it.
6165 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
6167 PR rtl-optimization/27477
6168 * combine.c (try_combine): Don't split a parallel consisting
6169 of two sets into two individual sets if both sets reference
6172 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
6174 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6175 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6177 * doc/options.texi (VarExists): Updated.
6179 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6181 * unwind-dw2.c: Add declarations for uw_update_context and
6183 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6184 detected, advance frame state and context once to skip over stub.
6186 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6190 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6191 Call rewrite_into_loop_closed_ssa only when something changed.
6192 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6193 * lambda-code.c (can_convert_to_perfect_nest): Declared.
6194 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6195 Test for perfect_nest_p here. Fix formating.
6196 (replace_uses_equiv_to_x_with_y): Fix formating.
6197 (stmt_uses_op): Removed.
6198 (can_convert_to_perfect_nest): Removed loopivs parameter.
6199 Complete the test by checking the scalar dependences.
6200 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6203 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6206 From Dan Kegel <dank@kegel.com>:
6207 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6209 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
6211 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6212 if the element type is variably modified without recursing.
6214 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6217 * tree-loop-linear.c (try_interchange_loops): Test for
6218 no data dependences.
6220 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
6222 PR tree-optimization/27548
6223 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6224 range of ssa names that appear on abnormal edges.
6225 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6226 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6228 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6231 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6233 2006-05-17 Jakub Jelinek <jakub@redhat.com>
6236 * tree.h (OMP_PARALLEL_COMBINED): Define.
6237 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6238 (new_omp_context): Add is_combined_parallel argument.
6239 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6240 new_omp_context caller.
6241 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6242 Adjust gimplify_scan_omp_clauses callers.
6243 (omp_is_private): Issue errors if iteration variable is firstprivate
6244 or reduction in the current context.
6245 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6246 on combined parallel workshare constructs.
6248 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6250 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6251 (gcc-options.o): New rule.
6253 * optc-gen.awk: Protect variables for gcc-options.o with
6254 #ifdef GCC_DRIVER/#endif.
6256 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6258 Fix PR tree-optimization/27373
6259 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6260 (forward_propagate_addr_expr): Update call.
6262 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6264 * doc/options.texi: Move the Negative option.
6266 2006-05-16 Richard Guenther <rguenther@suse.de>
6268 PR tree-optimization/22303
6269 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6271 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6272 ccp_fold did not simplify the statement.
6274 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6277 * Makefile.in (GCC_OBJS): New.
6278 (OBJS-common): Add opts-common.o.
6279 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6280 (cpp$(exeext)): Likewise.
6281 (gcc.o): Also depend on opts.h.
6282 (opts-common.o): New.
6284 * common.opt (gcoff): Add Negative(gdwarf-2).
6285 (gdwarf-2): Add Negative(gstabs).
6286 (gstabs): Add Negative(gstabs+).
6287 (gstabs+): Add Negative(gvms).
6288 (gvms): Add Negative(gxcoff).
6289 (gxcoff): Add Negative(gxcoff+).
6290 (gxcoff+): Add Negative(gcoff).
6291 * config/i386/i386.opt (m32): Add Negative(m64).
6292 (m64): Add Negative(m32).
6294 * doc/options.texi: Document the Negative option.
6296 * gcc.c: Include "opts.h".
6297 (main): Call prune_options after expandargv.
6299 * optc-gen.awk: Generate common declarations for all flag
6300 variables in options.c. Output the neg_index field.
6302 * opts.c (find_opt): Moved to ...
6303 * opts-common.c: Here. New file.
6305 * opts.h (cl_option): Add a neg_index field.
6307 (prune_options): Likewise.
6309 2006-05-16 Jakub Jelinek <jakub@redhat.com>
6312 * omp-low.c (expand_omp_parallel): Don't assert
6313 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6314 instead search for it.
6317 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6320 2006-05-16 Andreas Schwab <schwab@suse.de>
6322 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6325 2006-05-15 Roger Sayle <roger@eyesopen.com>
6328 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6329 integer constants other than zero are only legitimate on TARGET_64BIT.
6330 <CONST_VECTOR> Only zero vectors are legitimate.
6331 (ix86_cannot_force_const_mem): Integral and vector constants can
6332 always be put in the constant pool.
6334 2006-05-16 DJ Delorie <dj@redhat.com>
6336 * crtstuff.c (__dso_handle): Set section from
6337 TARGET_LBIGCC_SDATA_SECTION if defined.
6338 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6339 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6341 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6344 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6347 2006-05-16 Ben Elliston <bje@au.ibm.com>
6349 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6351 2006-05-15 Per Bothner <per@bothner.com>
6353 * tree.c: (last_annotated_node): Use source_locus typedef.
6354 This permits bootstrapping with --enable-mapped-location.
6356 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6358 PR tree-optimization/26830
6359 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6360 (info_for_ssa_name, current_info_for_ssa_name_age,
6361 blocks_to_update): New variables.
6362 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6363 (clear_ssa_name_info, initialize_flags_in_bb,
6364 mark_block_for_update): New functions.
6365 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6366 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6367 prepare_def_site_for): Use mark_block_for_update.
6368 (mark_def_interesting): Assert that the processed block is marked in
6369 blocks_to_update. Do not take blocks argument.
6370 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6372 (rewrite_update_init_block, rewrite_update_stmt): Only process
6373 blocks with statements to rewrite.
6374 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6375 (update_ssa): Initialize and free blocks_to_update. Do not
6376 clear flags on statements. Do not use blocks bitmap.
6377 * tree.h (SSA_NAME_AUX): Removed.
6378 (struct tree_ssa_name): Removed aux field.
6379 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6381 2006-05-15 Richard Guenther <rguenther@suse.de>
6383 PR tree-optimization/27603
6384 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6385 Do computations in original type.
6387 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6389 * see.c: Code style changes such as redundant paranthesis,
6390 redundant intialization of local variables etc.
6391 (see_main): Declared now as static.
6392 * doc/invoke.texi: Update that -fsee is not enabled by
6395 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6397 * omp-low.c (check_omp_nesting_restrictions): New function.
6398 (scan_omp_1): Call it.
6401 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6402 construct, return *VAR.
6404 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6406 PR rtl-optimization/27406
6407 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6410 2006-05-14 Roger Sayle <roger@eyesopen.com>
6412 PR rtl-optimization/27538
6413 * combine.c (expand_compound_operation): Call gen_lowpart
6414 before calling simplify_shift_const.
6416 2006-05-14 Roger Sayle <roger@eyesopen.com>
6418 PR rtl-optimization/22563
6419 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6420 a fixed width bitfield, always force the intermediates into psuedos.
6422 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6425 * mkconfig.sh: Use operator = instead of == for test.
6427 2006-05-13 Nick Clifton <nickc@redhat.com>
6429 * dwarf2out.c (dbx_reg_number): Check return value from
6430 LEAF_REG_REMAP and only use it if it is valid.
6431 (multiple_reg_loc_descriptor): Likewise.
6433 2006-05-13 Richard Guenther <rguenther@suse.de>
6435 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6438 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6440 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6441 information attached to non-INSNs such as NOTEs.
6442 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6444 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6446 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6448 * config/s390/s390.md: Adjust comment describing On constraint.
6450 2006-05-11 Jan Hubicka <jh@suse.cz>
6452 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6453 to be output at -O0.
6455 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6458 * fold-const.c (size_binop): Move sanity check for arguments to
6459 the beginning of the function.
6462 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6465 2006-05-11 Richard Guenther <rguenther@suse.de>
6468 * fold-const.c (fold_unary): Handle intermediate conversion
6469 to a pointer type like intermediate conversion to an integer
6470 type in folding of (T1)(T2)var to var.
6471 Match the code to the comment in the final conversion for
6472 (T1)(T2)var to (T1)var regarding to type precision. Rather
6473 than disallow T1 being of pointer type, assert that both T1
6474 and var are of pointer type or not. Make sure not to fall
6475 over the frontends lazyness wrt array to pointer decay though.
6477 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6479 * arm.c (arm_struct_value_rtx): Delete.
6480 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6481 (arm_init_cumulative_args): Always initialize nregs to zero.
6483 2006-05-10 Richard Guenther <rguenther@suse.de>
6485 PR tree-optimization/27532
6486 * tree-object-size.c (plus_expr_object_size): Fix typo.
6488 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6491 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6492 ashrdi_const, ashrdi3): Use a scratch register.
6494 2006-05-10 Richard Guenther <rguenther@suse.de>
6496 PR tree-optimization/27302
6497 * fold-const.c (operand_equal_p): For two comparisons,
6498 try comparison of one comparison code swapped if that yields
6501 2006-05-10 Ben Elliston <bje@au.ibm.com>
6503 * tree-pretty-print.c (pretty_print_string): No need to handle
6504 '\0' as a special character.
6506 * tree.h: Include "hashtab.h".
6507 (iterative_hash_expr): Use hashval_t in its prototype.
6508 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6510 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6513 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6514 (hppa*64*-*-hpux11*): Ditto.
6515 (hppa[12]*-*-hpux11*): Ditto.
6517 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6520 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6522 2006-05-09 Michael Matz <matz@suse.de>
6524 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6525 host_extra_gcc_objs and host_xmake_file.
6526 (<*-*-linux*>): Don't overwrite host_xmake_file.
6527 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6528 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6529 (host_detect_local_cpu): Declare.
6530 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6531 * config/i386/i386.c (override_options): Handle -mtune=native
6533 * config/i386/x-i386: New file.
6534 * config/i386/driver-i386.c: New file.
6535 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6538 2006-05-09 Dirk Mueller <dmueller@suse.de>
6539 Richard Guenther <rguenther@suse.de>
6542 * fold-const.c (fold_read_from_constant_string): Relax check
6543 for matching types to matching modes.
6545 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6547 PR rtl-optimization/27335
6548 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6551 2006-05-08 Chao-ying Fu <fu@mips.com>
6552 Richard Sandiford <richard@codesourcery.com>
6554 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6555 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6556 * config/mips/mips.md (UNSPEC_SCC): New constant.
6557 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6558 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6559 (mips_emit_compare): Use it.
6560 (mips_expand_vcondv2sf): New function.
6562 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6564 Fix PR tree-optimization/27093
6565 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6566 renaming when they become not-used_alone.
6568 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6570 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6571 relocation and relocation stubs.
6573 2006-05-08 Eric Christopher <echristo@apple.com>
6575 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6578 2006-05-08 Jan Hubicka <jh@suse.cz>
6581 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6582 unused static functions are needed.
6584 2006-05-08 Roger Sayle <roger@eyesopen.com>
6587 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6588 of a reg_equiv_constant if the result is a legitimate constant.
6590 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6593 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6594 standard 80387 constants, raise the cost to prevent
6595 compress_float_constant() to generate load from memory.
6597 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6599 * config/arm/constraints.md (c): Fix a typo.
6601 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6604 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6607 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6609 (_mm_mwait): Likewise.
6611 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6613 (sse3_monitor): Make it 32bit only.
6614 (sse3_monitor64): New. 64bit monitor.
6616 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6619 * config/i386/i386.c (classify_argument): Skip fields with invalid
6622 2006-05-07 Richard Guenther <rguenther@suse.de>
6624 PR tree-optimization/27409
6625 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6626 Do not try to find zero-sized subvars.
6628 2006-05-07 Richard Guenther <rguenther@suse.de>
6630 PR tree-optimization/27136
6631 * tree-ssa-loop-niter.c (get_val_for): Correct function
6632 comment, assert requirements.
6633 (loop_niter_by_eval): Stop processing if the iterated
6634 value did not simplify.
6636 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6638 * opts.c (flag_see): remove its setting at -O3.
6640 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6642 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6643 * arm/constraints.md: New file.
6644 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6645 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6646 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6647 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6648 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6649 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6650 * arm.md: Include constraints.md.
6651 (thumb_movsi_insn): Use satisfies_constraint_J.
6652 (movhi, movqi): Use satisfies_constraint_I.
6654 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6656 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6657 for atmeg a645 device.
6659 2006-05-06 Richard Guenther <rguenther@suse.de>
6661 PR tree-optimization/27151
6662 * tree-vect-transform.c (vectorizable_condition): Punt on
6663 values that have a different type than the condition.
6665 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6668 * c-parser.c (c_parser_cast_expression): Only insert casts into
6669 hash table if pointer.
6670 * function.c (used_types_insert_helper): Rename from
6672 (used_types_insert): Call used_types_insert_helper.
6673 * function.h (used_types_insert): Accept only one argument.
6675 2006-05-05 David Edelsohn <edesohn@gnu.org>
6677 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6678 scratch with output modifier.
6680 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6683 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6684 with output modifier.
6686 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6689 * config/mips/mips.c (mips_symbolic_address_p): Return true
6690 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6691 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6693 2006-05-04 Richard Guenther <rguenther@suse.de>
6695 PR tree-optimization/14287
6696 PR tree-optimization/14844
6697 PR tree-optimization/19792
6698 PR tree-optimization/21608
6699 PR tree-optimization/27090
6700 * tree-ssa-pre.c (try_combine_conversion): New function.
6701 (compute_avail): After constructing the value-handle
6702 expression, use try_combine_conversion to combine NOP_EXPRs
6703 with previous value-handle expressions and use the result if it
6706 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6708 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6710 2006-05-04 Jan Hubicka <jh@suse.cz>
6713 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6715 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6717 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6718 that this only matches CONST_INTs. All users changed to VOIDmode
6721 * config/bfin/bfin.c: Include "optabs.h".
6722 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6724 (enum bfin_builtins): Add a number of fractional and vector builtins.
6725 (bfin_init_builtins): Likewise.
6726 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6727 (safe_vector_operand, bfin_expand_binop_builtin,
6728 bfin_expand_unop_builtin): New functions.
6729 (bfin_expand_builtin): Handle the new builtins.
6730 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6733 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6736 * Makefile.in (OBJS-common): Add see.o.
6737 (see.o): Add dependencies.
6738 * common.opt (fsee): New flag for the see optimization was added.
6739 * opts.c (flag_see): Initialized.
6740 * passes.c (init_optimization_passes, pass_see): New pass.
6741 * rtl.h (see_main): Declaration as extern.
6742 * timevar.def (TV_SEE): New.
6743 * tree-pass.h (pass_see): Declaration as extern.
6744 * invoke.texi (-fsee): Document.
6745 * recog.c (validate_simplify_insn): New function.
6746 * recog.h (validate_simplify_insn): Declaration as extern.
6747 * df-problems.c (df_chain_dump): Check for NULL.
6749 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6750 Daniel Berlin <dberlin@dberlin.org>
6752 * cfgrtl.c (insert_insn_bb_end_new): New function.
6753 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6755 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6757 * df.h (struct web_entry): Moved from web.c.
6758 (union_defs): Declaration as extern.
6759 (unionfind_root): Likewise.
6760 (unionfind_union): Likewise.
6761 * web.c (struct web_entry): Moved to df.h.
6762 (unionfind_root): Remove static declaration.
6763 (unionfind_union): Likewise.
6764 (union_defs): Likewise and generalize to use callback function.
6765 (web_main): Update arguments for union_defs function call.
6767 2006-05-04 Richard Guenther <rguenther@suse.de>
6769 PR tree-optimization/26447
6770 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6771 produce SSA_NAME copies before the store stmt to avoid
6772 breaking exception handling.
6774 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6777 * gimplify.c (omp_is_private): If var is shared in some outer context,
6778 return false instead of true. Stop searching on parallel context
6781 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6784 * coverage.c: Use get_gcov_unsigned_t() instead of
6785 unsigned_type_node all over.
6787 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6789 PR tree-optimization/27381
6790 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6791 maintain the same immediate_use links.
6792 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6793 node rather than segfaulting.
6795 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6798 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6799 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6800 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6802 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6804 Fix PR tree-optimization/26626
6805 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6807 * tree-ssa-operands.c (access_can_touch_variable): Allow
6808 typecasting through union pointers.
6810 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6813 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6814 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6815 to find if var will be a global variable even in the nested context.
6816 (omp_copy_decl): Only check for global variable at the end, it might
6817 be overridden in outer contexts.
6818 (scan_sharing_clauses): For global variables don't create a field.
6819 (lower_rec_input_clauses): Do nothing for global shared variables.
6820 Emit a barrier at the end of ILIST if there were any decls in both
6821 firstprivate and lastprivate clauses.
6822 (lower_send_clauses): Do nothing for global variables except for
6825 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6827 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6828 of the correct signedness is returned.
6830 2006-05-02 Jeff Law <law@redhat.com>
6832 PR tree-optimization/27364
6833 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6834 multiply expressions.
6836 2006-05-02 Tom Tromey <tromey@redhat.com>
6838 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6840 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6843 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6844 -mthumb -fPIC are used.
6846 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6847 Joshua Kinard <kumba@gentoo.org>
6850 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6851 with 64-bit pointers.
6853 2006-05-02 Paul Brook <paul@codesourcery.com>
6855 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6857 (create_fix_barrier): Check that a suitable barrier location is
6859 (arm_reorg): Include ftmp->address in allowable range of addresses.
6861 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6864 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6867 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6870 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6871 around RESULT_DECL for result passed by reference.
6872 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6873 * omp-low.c (use_pointer_for_field): Don't look at
6874 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6875 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6876 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6877 time or var for passing by reference for
6878 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6879 TREE_ADDRESSABLE variables when passing by reference.
6881 * omp-low.c (dump_omp_region): Fix output formatting.
6884 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6885 (expand_omp_parallel): Likewise.
6886 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6889 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6890 on statement list containing also constructors and destructors.
6891 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6894 * except.c (duplicate_eh_regions): Fix clearing of
6895 cfun->eh->region_array entries.
6897 2006-05-01 DJ Delorie <dj@redhat.com>
6899 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6901 (gcc_cv_objdump): Likewise.
6902 * configure: Regenerated.
6904 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6907 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6908 templates for case 3 and 4.
6910 2006-05-01 DJ Delorie <dj@redhat.com>
6912 * vec.c: Include bconfig.h when appropriate.
6913 * Makefile.in (build/vec.o): Adjust dependencies.
6914 * mkconfig.sh: Make sure config.h isn't used for build machine
6917 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6919 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6921 (mark_phi_for_rewrite): New function.
6922 (insert_phi_nodes_for, mark_use_interesting): Call
6923 mark_phi_for_rewrite.
6924 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
6925 (update_ssa): Initialize and free phis_to_rewrite.
6927 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6929 PR rtl-optimization/27291
6930 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
6931 folded to a constant.
6933 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6935 PR tree-optimization/27283
6936 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
6937 not whole # of iteration descriptions.
6938 (niter_for_exit): Return just # of iterations. Fail if # of iterations
6939 uses abnormal ssa name.
6940 (niter_for_single_dom_exit): Ditto.
6941 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
6942 return just the number of iterations.
6944 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6946 PR tree-optimization/27144
6947 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
6948 (record_estimate): Only record constant upper bound.
6949 (infer_loop_bounds_from_undefined): Call
6950 compute_estimated_nb_iterations just once.
6951 (proved_non_wrapping_p): Renamed to ...
6952 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6953 (convert_step_widening, scev_probably_wraps_p): Call
6954 n_of_executions_at_most instead of proved_non_wrapping_p.
6955 (substitute_in_loop_info): Do not replace values in bounds.
6956 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6959 2006-05-01 Richard Henderson <rth@redhat.com>
6962 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6963 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6966 2006-05-01 Roger Sayle <roger@eyesopen.com>
6968 * c-typeck.c (parser_build_binary_op): Don't call the function
6969 unsigned_conversion_warning to spot operand/result type overflow.
6970 (build_binary_op): Instead, call convert_and_check instead of
6971 convert to report the problem when the operands are promoted.
6972 * c-common.c (unsigned_conversion_warning): Make static.
6973 * c-common.h (unsigned_conversion_warning): Delete prototype.
6975 2006-05-01 Richard Guenther <rguenther@suse.de>
6977 PR tree-optimization/26726
6978 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6980 (find_interesting_uses_address): ... we work around here
6981 by folding INDIRECT_REFs in the substituted base.
6983 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6985 * omp-low.c (dump_omp_region): Add newlines.
6987 2006-04-30 Roger Sayle <roger@eyesopen.com>
6989 * common.opt (Woverflow): New command line option.
6990 * c-common.c (constant_expression_warning): Check warn_overflow.
6991 (overflow_waring): Pass OPT_Woverflow to warning.
6992 (unsigned_conversion_warning): Likewise.
6993 (convert_and_check): Likewise.
6994 * doc/invoke.texi: Document new command line option.
6996 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6998 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6999 TARGET_NO_FP_IN_TOC for section anchors.
7000 (optimization_options): Enable section anchors for all
7001 non-"Objective" languages.
7003 2006-04-28 Eric Christopher <echristo@apple.com>
7005 * config/darwin-c.c (darwin_ms_struct): Move this
7006 (darwin_set_default_type_attributes): and this...
7007 * config/darwin.c: ... here.
7008 * config/darwin.h (darwin_ms_struct): Declare.
7010 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
7012 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
7014 2006-04-28 Roger Sayle <roger@eyesopen.com>
7017 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
7018 (push_array_bounds): Delete prototype. Change BOUNDS argument to
7019 an unsigned HOST_WIDE_INT.
7020 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
7022 (really_start_incremental_init): No need to call convert because
7023 bitsize_zero_node is already of type bitsizetype.
7024 (push_init_level): Extract the value of constructor_index as an
7025 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
7026 (process_init_element): Likewise.
7028 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
7030 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
7031 value before passing to make_relative_prefix.
7033 2006-04-28 Alan Modra <amodra@bigpond.net.au>
7036 * builtins.c (expand_builtin_memset): Expand val in original mode.
7038 2006-04-27 Eric Christopher <echristo@apple.com>
7040 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
7041 with #ifndef/#endif.
7042 * config/darwin-c.c (darwin_ms_struct): New.
7043 (darwin_pragma_ms_struct): Ditto.
7044 (darwin_set_default_type_attributes): Ditto.
7045 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
7046 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7047 Register ms_struct pragma.
7048 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7049 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7050 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7051 darwin_set_default_type_attributes if TARGET_MACHO.
7053 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
7055 PR tree-optimization/26854
7056 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
7057 * doc/tree-ssa.texi: Update immuse iterator documentation.
7058 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
7059 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
7060 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
7061 first_safe_imm_use, next_safe_imm_use): Remove.
7062 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
7063 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
7064 (move_use_after_head): New. Helper function to sort immuses in a stmt.
7065 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
7066 (first_imm_use_stmt): New. Get first stmt in an immuse list.
7067 (next_imm_use_stmt): New. Get next stmt in an immuse list.
7068 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
7069 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
7070 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
7071 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
7072 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
7073 (perfect_nestify): Use new iterator.
7074 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
7076 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
7077 (next_imm_name): New field in struct immediate_use_iterator_d.
7078 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
7079 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
7080 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
7081 * tree-cfg.c (replace_uses_by): Use new iterator.
7082 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
7083 * tree-ssa-operands.c (correct_use_link): Remove.
7084 (finalize_ssa_use_ops): No longer call correct_use_link.
7086 2006-04-27 Stuart Hastings <stuart@apple.com>
7088 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
7089 * config/t-darwin (crt3.o): Use it.
7090 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
7091 'pmode', use Pmode instead of SImode for SYMBOL_REF.
7092 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
7093 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
7094 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
7097 2006-04-27 Roger Sayle <roger@eyesopen.com>
7099 * expmed.c (store_fixed_bit_field): If we're not optimizing for
7100 size, force the intermediate into a new pseudo rather instead of
7101 performing both a bitwise AND and a bitwise IOR in memory.
7103 2006-04-27 Richard Guenther <rguenther@suse.de>
7105 PR rtl-optimization/26685
7106 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
7107 this one "max-flow-memory-locations".
7109 2006-04-27 Richard Guenther <rguenther@suse.de>
7111 PR tree-optimization/25148
7112 * tree-vrp.c (compare_values): Remove code dealing with
7113 comparisons against type min/max value. Honour overflow
7114 and negative constants in code dealing with comparisons
7115 of plus and minus expressions.
7116 (value_inside_range): Use fold_binary with LE_EXPR and
7117 GE_EXPR rather than compare_values.
7119 2006-04-27 Dirk Mueller <dmueller@suse.de>
7121 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7124 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
7126 * basic-block.h (safe_insert_insn_on_edge): Removed.
7127 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7129 2006-04-26 David Edelsohn <edelsohn@gnu.org>
7130 Paolo Bonzini <bonzini@gnu.org>
7133 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7134 (simplify_and_const_int): Same.
7136 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
7138 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
7140 2006-04-26 Jakub Jelinek <jakub@redhat.com>
7143 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
7144 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
7145 cgraph_global_info_ready.
7148 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7151 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7152 either decl or init is error_mark_node.
7155 * tree-flow.h (struct omp_region): Add sched_kind.
7156 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7157 instead of extracting omp for data.
7158 (expand_omp_for): Save extracted sched_kind.
7160 2006-04-25 Roger Sayle <roger@eyesopen.com>
7162 * expmed.c (store_bit_field): Also check whether the bitsize is
7163 valid for the machine's "insv" instruction before moving the
7164 target into a pseudo for use with the insv.
7165 * config/i386/predicates.md (const8_operand): New predicate.
7166 * config/i386/i386.md (extv, extzv, insv): Use the new
7167 const8_operand predicate where appropriate.
7169 2006-04-25 DJ Delorie <dj@redhat.com>
7171 * doc/install.texi (Specific): Clarify that this is not a list of
7172 supported hosts or targets.
7174 2006-04-25 Richard Sandiford <richard@codesourcery.com>
7176 PR rtl-optimization/26725
7177 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7178 block's BB_DIRTY flag.
7180 2006-04-25 Geoffrey Keating <geoffk@apple.com>
7182 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7185 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7186 to print an integer.
7188 2006-04-25 David Edelsohn <edelsohn@gnu.org>
7190 * varasm.c (align_variable): New function.
7191 (get_block_for_decl): Apply align_variable to DECL before
7192 calculating section information.
7193 (assemble_variable): Split out alignment computation.
7195 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
7197 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7200 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
7202 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7203 MODE_PARTIAL_INT mode.
7204 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7205 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7207 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7208 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7210 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7212 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7214 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7215 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7216 MACFLAG_IH): Likewise.
7217 (movstricthi_1): Renamed from "*movstricthi".
7218 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7219 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7220 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7221 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7222 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7223 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7224 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7225 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7226 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7227 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7228 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7229 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7230 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7231 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7232 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7234 * doc/rtl.texi (ss_ashift): Improve wording.
7236 2006-04-24 Geoffrey Keating <geoffk@apple.com>
7238 * dwarf2out.c (verify_marks_clear): New.
7239 (prune_unused_types): Call verify_marks_clear initially, not
7242 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7244 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7245 * doc/rtl.texi: Document them.
7246 * simplify-rtx.c (simplify_unary_operation,
7247 simplify_binary_operation_1): Don't abort when we see them.
7249 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7252 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7253 * configure.ac: Completely disregard languages that are not
7255 * configure: Regenerated.
7257 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7258 Richard Guenther <rguenther@suse.de>
7260 PR tree-optimization/27236
7261 * tree-inline.c (copy_body_r): Make sure to copy
7262 TREE_THIS_VOLATILE flag.
7264 2006-04-24 Richard Guenther <rguenther@suse.de>
7267 * tree-complex.c (update_parameter_components): Don't handle
7268 unused parameters which have no default def.
7270 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7271 Richard Guenther <rguenther@suse.de>
7273 PR tree-optimization/27218
7274 * tree-inline.c (expand_call_inline): Strip useless type
7275 conversions for the return slot address.
7277 2006-04-24 Richard Guenther <rguenther@suse.de>
7279 * cfgloop.h (struct loops): Remove unused field array. Reorder
7281 (LOOP_PREFETCH): Remove.
7283 2006-04-24 Richard Guenther <rguenther@suse.de>
7285 PR tree-optimization/22525
7286 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7287 variable, adjust types of generated expressions.
7289 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7291 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7292 (tree-vect-patterns.o): Likewise.
7294 (cselib.o): Likewise.
7295 (loop-doloop.o): Likewise.
7296 (regclass.o): Likewise.
7297 (reload1.o): Likewise.
7298 (explow.o): Replace target.h with $(TARGET_H).
7299 (ipa-prop.o): Likewise.
7300 (ipa-cp.o): Likewise.
7301 (ipa-inline.o): Likewise.
7302 (reorg.o): Likewise.
7303 (reg-stack.o): Likewise.
7305 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7307 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7309 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7311 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7313 * configure.ac: Completely disregard languages that are not
7315 * configure: Regenerated.
7318 * c-common.h (c_build_bitfield_integer_type): Declare.
7319 * c-decl.c (c_build_bitfield_integer_type): Move to ...
7320 * c-common.c (c_build_bitfield_integer_type): ... here.
7322 2006-04-23 Roger Sayle <roger@eyesopen.com>
7325 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7326 a SImode SUBREG of a floating point register after no_new_pseudos.
7328 2006-04-23 Roger Sayle <roger@eyesopen.com>
7330 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7331 identify potentially eliminable registers to additionally catch
7332 VIRTUAL_INCOMING_ARGS_REGNUM.
7333 (addsi3): Update the conditions on when to use addsi_small_int.
7335 2006-04-23 Roger Sayle <roger@eyesopen.com>
7338 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7339 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7340 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7342 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7344 * fold-const.c (range_predecessor): Use operand_equal_p
7345 as the predicate for equality.
7346 (range_successor): Likewise.
7348 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7351 * config/soft-fp/op-common.h: Fix a typo.
7353 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7356 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7357 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7359 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7361 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7363 * doc/tm.texi: Fix a typo.
7365 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7367 * dwarf2out.c (struct die_struct): Document that die_sib makes
7368 a circular linked list.
7369 (FOR_EACH_CHILD): New.
7370 (reverse_die_lists): Delete.
7371 (reverse_all_dies): Delete.
7372 (add_dwarf_attr): Correct documentation.
7373 (remove_child_with_prev): New.
7374 (remove_child_TAG): Update for change to die_struct, use
7375 remove_child_with_prev.
7376 (add_child_die): Update for change to die_struct.
7377 (splice_child_die): Use remove_child_with_prev and add_child_die.
7378 (print_die): Use FOR_EACH_CHILD.
7379 (die_checksum): Likewise.
7380 (assign_symbol_names): Likewise.
7381 (output_location_lists): Likewise.
7382 (build_abbrev_table): Likewise.
7383 (calc_die_sizes): Likewise.
7384 (mark_dies): Likewise.
7385 (unmark_dies): Likewise.
7386 (unmark_all_dies): Likewise.
7387 (output_die): Likewise.
7388 (prune_unused_types_mark): Likewise.
7389 (prune_unused_types_walk): Likewise.
7390 (same_die_p): Update for change to die_struct.
7391 (break_out_includes): Likewise.
7392 (prune_unused_types_prune): Likewise.
7393 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7394 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7396 (dwarf2out_finish): Don't call reverse_all_dies.
7398 2006-04-21 Eric Christopher <echristo@apple.com>
7400 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7401 in comments and function names.
7403 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7406 * c-typeck.c (digest_init): Robustify.
7408 * c-typeck.c (pop_init_level): Simplify.
7410 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7412 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7414 2006-04-21 Paul Brook <paul@codesourcery.com>
7416 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7417 hardware floating point.
7419 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7421 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7424 2006-04-21 Nick Clifton <nickc@redhat.com>
7426 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7429 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7432 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7433 C++ lang type in traceback table for Objective-C++.
7435 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7437 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7439 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7441 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7444 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7445 were errors. Remove check for erroneous objects.
7447 2006-04-20 Jeff Law <law@redhat.com>
7449 PR tree-optimization/26854
7450 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7451 checking for zero or one use.
7452 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7453 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7454 * tree-ssa-reassoc.c (negate_value): Similarly.
7455 (reassociate_bb): Similarly.
7457 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7459 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7460 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7461 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7463 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7465 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7466 fp regs if the last fp arg doesn't fit in regs.
7468 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7471 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7472 that the last insn has the REG_INC note.
7474 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7475 Nathan Sidwell <nathan@codesourcery.com>
7478 * stor-layout.c (update_alignment_for_field): Do not align
7480 (place_union_field): Place union field at the start of the union.
7481 (place_field): Move ERROR_MARK check later, and use the current
7482 allocation position to maintain monotonicity.
7484 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7486 * dominance.c: Include timevar.h.
7487 (calculate_dominance_info): Use TV_DOMINANCE.
7488 * timevar.def (TV_DOMINANCE): New timevar.
7489 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7491 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7493 PR rtl-optimization/14261
7494 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7495 move would be an INSV insn.
7496 (noce_process_if_block): Don't optimize if the destination is a
7497 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7499 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7501 * config/s390/s390.md: Add comments with the instructions emitted
7502 by an insn pattern if macros are used.
7504 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7506 PR rtl-optimization/26026
7507 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7508 is a known power of two shifted left a variable amount.
7510 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7512 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7513 to hash table twice when the debug_str section has SECTION_MERGE.
7515 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7517 * config/soft-fp: New directory. From glibc.
7518 * config/soft-fp/t-softfp: New.
7519 * config/soft-fp/README: New.
7520 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7521 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7522 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7523 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7524 * config.gcc: Use rs6000/t-fprules-fpbit or
7525 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7527 * config/rs6000/sfp-machine.h: New. Based on glibc.
7528 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7530 * config/rs6000/t-fprules: Remove fp-bit rules.
7531 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7532 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7533 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7534 (softfp_wrap_start, softfp_wrap_end): New.
7536 2006-04-18 DJ Delorie <dj@redhat.com>
7538 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7540 2006-04-18 Devang Patel <dpatel@apple.com>
7542 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7544 2006-04-18 Nick Clifton <nickc@redhat.com>
7546 * config/sh/t-symbian: Add rule to build sh-c.o
7547 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7548 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7549 (sh_symbian_encode_section_info): Likewise.
7551 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7553 * builtins.c (expand_builtin_strcmp): Cover label definition of
7554 do_libcall with HAVE_cmpstrnsi.
7556 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7558 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7560 * function.h (temp_slot_p): New.
7561 (function): Change the type of x_used_temp_slots to
7562 VEC(temp_slot_p,gc) *.
7564 2006-04-18 Nick Clifton <nickc@redhat.com>
7566 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7567 flag_strength_reduce.
7569 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7571 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7575 Partial revert of revision 112637
7576 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7577 Dale Johannesen <dalej@apple.com>
7580 * regclass.c (struct reg_pref): Update documentation.
7581 (regclass): Set prefclass to NO_REGS if memory is the best option.
7582 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7584 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7586 PR tree-optimization/26821
7587 * tree-ssa-math-opts.c (get_constant_one): New.
7588 (insert_reciprocals): Use it.
7590 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7592 * dwarf2out.c (free_AT): Delete.
7593 (remove_AT): Update string ref counts.
7594 (remove_child_TAG): Don't call free_die.
7596 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7597 or DW_TAG_GNU_EINCL.
7598 (prune_unused_types_walk_attribs): Reset string refcounts.
7599 (prune_unused_types_update_strings): New.
7600 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7601 call free_die. Do call prune_unused_types_update_strings.
7602 (prune_unused_types): Empty debug_str_hash.
7604 2006-04-17 Roger Sayle <roger@eyesopen.com>
7606 * expr.c (expand_assignment): Optimize away no-op moves where the
7607 source and destination are equal and have no side-effects.
7609 2006-04-17 Richard Guenther <rguenther@suse.de>
7612 * reload.c (push_reload): Guard calls to get_secondary_mem
7615 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7617 * alias.c (reg_base_value, old_reg_base_value): Change the
7618 type to VEC(rtx,gc) *.
7619 (REG_BASE_VALUE, find_base_value, record_set,
7620 init_alias_analysis): Use VEC instead of VARRAY.
7622 * alias.c (alias_sets): Change the type to
7623 VEC(alias_set_entry,gc) *.
7624 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7625 VEC instead of VARRAY.
7626 (last_alias_set): Remove.
7628 * cgraph.h (cgraph_edge_p): New.
7629 Update the prototype of cgraph_function_versioning.
7630 * cgraphunit.c (cgraph_copy_node_for_versioning,
7631 cgraph_function_versioning): Use VEC instead of VARRAY.
7632 * ipa-cp.c (ipcp_insert_stage): Likewise.
7634 2006-04-16 Roger Sayle <roger@eyesopen.com>
7637 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7638 "A op B" or "A op C", we may need to convert A to the type of B and C.
7640 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7642 * target.h (struct gcc_target): Add mode_rep_extended.
7643 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7644 (init_num_sign_bit_copies_in_rep): Initialize it using
7646 (truncate_to_mode): Use it.
7647 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7648 * targhooks.h (default_mode_rep_extended): Declare it.
7649 * targhooks.c (default_mode_rep_extended): Define it.
7650 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7651 default_mode_rep_extended.
7652 (TARGET_INITIALIZER): Include it.
7653 * doc/tm.texi (Misc): Document it.
7654 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7655 (mips_truncated_to_mode): New function.
7657 2006-04-16 Roger Sayle <roger@eyesopen.com>
7660 * expr.c (compress_float_constant): Copy the narrow constant into
7661 a new pseudo before extending it to its final width.
7663 2006-04-16 Roger Sayle <roger@eyesopen.com>
7664 Andrew Pinski <pinskia@gcc.gnu.org>
7665 Dale Johannesen <dalej@apple.com>
7668 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7669 special case code to implement V8HImode and V16QImode with SSE2.
7671 2006-04-15 Roger Sayle <roger@eyesopen.com>
7673 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7674 trees are constructed with a suitable tree type.
7676 2006-04-15 Roger Sayle <roger@eyesopen.com>
7678 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7679 (integer_onep): Likewise.
7680 (integer_all_onesp): Likewise.
7681 (integer_pow2p): Likewise.
7682 (integer_nonzerop): Likewise.
7683 (real_zerop): Likewise.
7684 (real_onep): Likewise.
7685 (real_twop): Likewise.
7686 (real_minus_onep): Likewise.
7687 (int_size_in_bytes): Likewise.
7688 (host_integerp): Likewise.
7690 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7692 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7693 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7694 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7696 * tree-ssa-structalias.h (alias_info): Remove num_references.
7698 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7700 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7701 (output_bvb patterns): Likewise.
7702 * pa.c (output_bb): Use 'bb' insn for long branch case.
7703 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7704 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7705 1. Correct length operand for alternatives 1 and 2.
7706 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7707 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7709 2006-04-14 Roger Sayle <roger@eyesopen.com>
7711 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7712 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7713 were accidentally reverted by r112959.
7715 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7718 * except.h (eh_region_outermost): New prototype.
7719 * except.c (eh_region_outermost): New function.
7720 * tree-cfg.c (find_outermost_region_in_block): Use it.
7722 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7724 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7726 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7727 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7728 (init_reload, reload): Use VEC instead of VARRAY.
7729 * reload.h: Update the prototype for
7730 reg_equiv_memory_loc_varray.
7732 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7733 Eric Botcazou <ebotcazou@libertysurf.fr>
7735 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7738 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7741 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7742 to expand fallback builtin function call.
7744 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7747 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7748 and emit libcall here in case the builtin fails.
7749 (expand_builtin_strcmp): Always emit the libcall here on failure.
7751 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7753 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7754 * flow.c (reg_n_info): Change the type to
7755 VEC(reg_info_p,heap) *.
7756 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7758 * regs.h (reg_info_p): New.
7759 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7760 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7761 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7764 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7766 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7768 * params.h (MAX_SCHED_READY_INSNS): New macro.
7769 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7770 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7771 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7772 the ready list for 1 cycle during the first scheduling pass.
7773 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7775 2006-04-13 Richard Henderson <rth@redhat.com>
7778 * gimple-low.c (lower_omp_directive): Remove dead code.
7779 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7780 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7781 * omp-low.c (struct omp_region): Move to tree-flow.h.
7782 (root_omp_region): Export.
7783 (omp_regions, lookup_omp_region): Remove.
7784 (determine_parallel_type): Update for struct omp_region changes.
7785 (dump_omp_region): Dump regions with block numbers.
7786 (new_omp_region): Take type and block instead of stmt; malloc
7788 (free_omp_region_1, free_omp_regions): New.
7789 (expand_parallel_call): Take entry_stmt as argument; update for
7790 changes to omp_region.
7791 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7792 (remove_exit_barriers): New.
7793 (expand_omp_parallel): Update for struct omp_region changes.
7794 (expand_omp_synch): Likewise.
7795 (expand_omp): Likewise.
7796 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7797 (expand_omp_for_static_chunk): Likewise.
7798 (expand_omp_for): Likewise.
7799 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7800 (expand_omp_sections): Similarly, with GOMP_sections_end.
7801 (expand_omp_single): New.
7802 (build_omp_regions_1): Update for OMP_CONTINUE.
7803 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7804 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7805 OMP_SECTIONS_SECTIONS.
7806 (lower_omp_single_simple): Don't emit barrier here.
7807 (lower_omp_single_copy): Likewise.
7808 (lower_omp_single): Fix bindings, and lower to straightline now.
7809 (lower_omp_master, lower_omp_ordered): Likewise.
7810 (lower_omp_critical): Likewise.
7811 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7812 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7813 omp edges, free it afterward.
7814 (make_omp_sections_edges): Remove.
7815 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7816 (move_stmt_r): Handle OMP_CONTINUE.
7817 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7818 statement pointers to basic blocks. Add type member.
7819 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7820 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7821 * tree-inline.c (estimate_num_insns_1): Likewise.
7822 * tree-pretty-print.c (dump_generic_node): Likewise.
7823 * tree-ssa-operands.c (get_expr_operands): Likewise.
7824 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7825 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7826 (OMP_CONTINUE): New.
7827 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7828 (OMP_SECTIONS_SECTIONS): Remove.
7829 (OMP_SECTION_LAST): New.
7830 (OMP_RETURN_NOWAIT): New.
7832 2006-04-13 Roger Sayle <roger@eyesopen.com>
7834 * fold-const.c (native_encode_vector, native_interpret_real):
7835 Correct obvious mistakes in the previous check-in.
7837 2006-04-13 Roger Sayle <roger@eyesopen.com>
7839 * fold-const.c (native_encode_expr): New function to encode
7840 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7841 or VECTOR_CST into a specified buffer.
7842 (native_encode_int): New function.
7843 (native_encode_real): New function.
7844 (native_encode_complex): New function.
7845 (native_encode_vector): New function.
7846 (native_interpret_expr): Inverse of native_encode_expr to convert
7847 a target representation into an INTEGER_CST, REAL_CST etc...
7848 (native_interpret_int): New function.
7849 (native_interpret_real): New function.
7850 (native_interpret_complex): New function.
7851 (native_interpret_vector): New function.
7852 (fold_view_convert_expr): New function to constant fold/evaluate
7853 a VIEW_CONVERT_EXPR of a suitable constant expression.
7854 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7855 Change call of build1 to fold_build1 when constructing a
7858 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7859 Ulrich Weigand <uweigand@de.ibm.com>
7862 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7865 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7868 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7869 optimize to lo_sum for DFmode if !TARGET_FPRS.
7871 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7873 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7874 delete_alias_info, compute_flow_sensitive_aliasing,
7875 group_aliases): Use VEC instead of VARRAY.
7876 * tree-ssa-structalias.c (update_alias_info): Likewise.
7877 * tree-ssa-structalias.h (alias_info): Change the type of
7878 processed_ptrs to VEC(tree,heap) *.
7880 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7883 * config/sh/lib1funcs.h: New file, broken out of:
7884 * config/sh/lib1funcs.asm.
7885 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7887 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7888 * config/sh/lib1funcs-Os-4-200.asm: New file.
7889 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7890 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7891 (EXTRA_MULTILIB_PARTS): Include it.
7892 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7893 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7894 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7895 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7898 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7900 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7901 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7902 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7904 * tree-ssa-live.h: Include vecprim.h.
7905 (tree_partition_associator_d): Change the type of
7906 first_partition to VEC(int,heap) *.
7907 (tpa_first_partition): Use VEC instead of VARRAY.
7909 * Makefile.in (GTFILES): Move functions.h after tree.h.
7910 * function.c (reset_block_changes, record_block_change,
7911 check_block_change, free_block_changes): Use VEC instead of
7913 * function.h (function): Change the type of
7914 ib_boundaries_block to VEC(tree,gc) *.
7915 * tree-inline.c (copy_cfg_body): Initialize
7916 ib_boundaries_block to NULL instead of (varray_type) 0.
7918 2006-04-12 Roger Sayle <roger@eyesopen.com>
7920 * expr.c (emit_group_store): Correct operand order in call to
7921 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7922 a SUBREG_BYTE of zero.
7924 2006-04-12 Richard Guenther <rguenther@suse.de>
7926 * profile.c (compute_branch_probabilities): Remove code
7927 encapsulated in !ir_type (), which are remanents of the
7928 removed RTL profiling code.
7929 * rtl-profile.c: Remove.
7931 2006-04-12 Alan Modra <amodra@bigpond.net.au>
7933 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
7934 magic NULL_RTX comment.
7935 (function_arg): Store entire fp arg to mem if any part should go
7937 (rs6000_arg_partial_bytes): Adjust for above change.
7939 2006-04-11 Roger Sayle <roger@eyesopen.com>
7941 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
7942 if it hasn't been initialized by dwarf2out_init.
7944 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
7946 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
7947 symbolic constants in branch patterns.
7949 2006-04-11 Roger Sayle <roger@eyesopen.com>
7951 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7953 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7955 PR rtl-optimization/27073
7956 * gcse.c (try_replace_reg): Revert last change. Continue to search
7957 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7960 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7962 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7963 aggregate types other than record and union types.
7964 (function_arg): Likewise.
7965 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7967 (function_value): In 64-bit mode, return objects that require it
7970 2006-04-11 Roger Sayle <roger@eyesopen.com>
7972 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7974 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7976 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7978 2006-04-03 Jeff Law <law@redhat.com>
7981 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7982 alias information too.
7984 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7986 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7988 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7991 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7992 (premark_used_types_helper): New.
7993 (premark_used_types): New.
7994 (gen_subprogram_die): Call premark_used_types.
7995 (prune_unused_types_walk): Do not prune perennial dies.
7996 * function.c (used_types_insert): New.
7997 * function.h (struct function): Add used_types_hash field.
7998 (used_types_insert): Add prototype.
7999 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
8000 * c-parser.c (c_parser_cast_expression): Save casted types in used
8003 2006-04-11 Mark Mitchell <mark@codesourcery.com>
8006 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
8007 rs6000_explicit_options.float_gprs.
8009 2006-04-10 Roger Sayle <roger@eyesopen.com>
8011 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
8012 from ix86_expand_vector_init_low_nonzero. Take an additional
8013 one_var argument indicating which element is non-zero. Support
8014 one_var != 0 for V4SFmode and V4SImode by permuting the result.
8015 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
8016 with one_var instead of ix86_expand_vector_init_low_nonzero.
8018 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
8020 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
8021 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
8022 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
8023 build/genextract.o): Depend on vecprim.h.
8024 * cfglayout.c, df-problems.c, function.c, genextract.c,
8025 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
8026 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
8030 2006-04-10 Geoffrey Keating <geoffk@apple.com>
8032 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
8033 Declare VECs of this type.
8034 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
8035 (remove_children): Delete.
8036 (add_dwarf_attr): Use VEC routines.
8037 (add_AT_flag): Update for changes to add_dwarf_attr.
8038 (add_AT_int): Likewise.
8039 (add_AT_unsigned): Likewise.
8040 (add_AT_long_long): Likewise.
8041 (add_AT_vec): Likewise.
8042 (add_AT_string): Likewise.
8043 (add_AT_die_ref): Likewise.
8044 (add_AT_fde_ref): Likewise.
8045 (add_AT_loc): Likewise.
8046 (add_AT_loc_list): Likewise.
8047 (add_AT_addr): Likewise.
8048 (add_AT_lbl_id): Likewise.
8049 (add_AT_lineptr): Likewise.
8050 (add_AT_macptr): Likewise.
8051 (add_AT_offset): Likewise.
8052 (add_AT_range_list): Likewise.
8053 (get_AT): Use VEC_iterate.
8054 (remove_AT): Use VEC_ordered_remove.
8055 (free_die): Fold remove_children into here; have it use VEC_iterate.
8056 (print_die): Use VEC_iterate on attrs.
8057 (reverse_die_lists): Don't reverse attr lists.
8058 (die_checksum): Use VEC_iterate on attrs.
8059 (same_die_p): Likewise.
8060 (output_location_lists): Likewise.
8061 (build_abbrev_table): Likewise.
8062 (size_of_die): Likewise.
8063 (unmark_all_dies): Likewise.
8064 (output_abbrev_section): Likewise.
8065 (output_die): Likewise.
8066 (prune_unused_types_walk_attribs): Likewise.
8068 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8070 * doc/install.texi (*-*-solaris2*): Point to the configure page.
8072 2006-04-10 Jakub Jelinek <jakub@redhat.com>
8075 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
8077 2006-04-09 Roger Sayle <roger@eyesopen.com>
8079 * expr.c (store_constructor): Don't bother clearing target if
8080 we're about to assign a vector to it using vec_init_optab.
8082 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
8084 * tree-ssa-alias.c (lhs_may_store_to): New function.
8085 (recalculate_used_alone): Handle LHS of calls.
8087 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8091 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
8092 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
8093 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
8094 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
8095 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
8096 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
8097 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
8098 stubs. Add ".align 8" directives before all ".dword" directives.
8099 (GTHREAD_USE_WEAK): Revise comment.
8100 (TARGET_ATTRIBUTE_WEAK): Define.
8101 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
8102 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
8103 * stublib.c: New file.
8108 * pa.md (cbranch patterns): Revise arguments used in calls to
8109 output_cbranch, output_bb and output_bvd. Add long branch length
8111 (fbranch patterns): Handle long branches.
8112 (jump): Revise length check. Revise arguments for output_lbranch call.
8113 Add long branch length attributes.
8114 (decrement_and_branch_until_zero): Add long branch length attributes.
8115 (output_movb, output_parallel_addb and output_parallel_movb patterns):
8116 Likewise. Revise arguments for output_parallel_addb and
8117 output_parallel_movb calls.
8118 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8119 output_parallel_movb and output_parallel_addb): Update prototypes.
8120 * pa.c (output_cbranch): Revise arguments. Correct handling of
8121 nullification in long branches.
8122 (output_lbranch): Add new argument to control extraction of delay
8124 (output_bb): Handle long branches.
8125 (output_bvb, output_dbra, output_movb, output_parallel_movb,
8126 output_parallel_addb): Likewise.
8128 2006-04-09 Richard Sandiford <richard@codesourcery.com>
8130 PR rtl-optimization/27073
8131 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8134 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
8136 * tree.h (tree_memory_tag): Add old_used_alone.
8137 (SMT_OLD_USED_ALONE): New macro.
8138 * tree-ssa-alias.c (recalculate_used_alone): Stop
8139 marking things for renaming unnecessarily.
8141 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
8143 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
8144 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
8145 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
8146 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8147 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8148 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8149 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
8150 spelling convensions.
8151 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8152 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8153 typos. Follow spelling conventions.
8155 2006-04-07 DJ Delorie <dj@redhat.com>
8157 * config/m32c/m32c.c (m32c_function_arg): Structures are always
8158 passed on the stack.
8159 (m32c_init_cumulative_args): When a function returns a structure,
8160 always pass the pointer to that return area on the stack.
8161 (m32c_function_arg_advance): Don't increment the parameter number
8162 if we're processing the returned structure pointer.
8163 (pushm_info): Reverse order of registers.
8165 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
8167 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8168 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8169 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8170 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8172 * tree-chrec.c (chrec_fold_multiply_poly_poly,
8173 chrec_fold_multiply): Same.
8174 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8175 force_expr_to_var_cost): Same.
8176 * tree-mudflap.c (mf_xform_derefs_1): Same.
8177 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8179 2006-04-07 David Edelsohn <edelsohn@gnu.org>
8181 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8182 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
8185 2006-04-07 Jan Hubicka <jh@suse.cz>
8187 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8189 2006-04-07 Richard Guenther <rguenther@suse.de>
8191 PR tree-optimization/26135
8192 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8193 loads for store copy-prop.
8194 (copy_prop_visit_stmt): Likewise.
8196 2006-04-05 Robert Millan <robertmh@gnu.org>
8198 * config/i386/linux.h: Add a comment to mark macros that are
8199 being overriden in config/k*bsd-gnu.h.
8200 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8202 * config/knetbsd-gnu.h: Ditto.
8204 2006-04-06 Jan Hubicka <jh@suse.cz>
8208 * coverage.c (coverage_checksum_string): Reorganize loop to not read
8211 2006-04-06 Mike Stump <mrs@apple.com>
8213 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8214 for HAVE_nonlocal_goto to be consistent.
8215 (expand_builtin_nonlocal_goto): Likewise.
8216 (expand_builtin_strcmp): Use #ifdef instead of #if
8217 for HAVE_cmpstrnsi to be consistent.
8219 2006-04-05 DJ Delorie <dj@redhat.com>
8221 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8224 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
8226 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8227 got-relative addressing for anything but SImode.
8229 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8230 even if the calling function doesn't modify them.
8232 2006-04-05 Richard Guenther <rguenther@suse.de>
8234 PR tree-optimization/26919
8235 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8236 to cgraph_estimate_size_after_inlining.
8238 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8240 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8242 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8244 PR tree-optimization/26996
8245 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8246 VECTOR_TYPE variables.
8248 2006-04-05 Richard Guenther <rguenther@suse.de>
8250 PR tree-optimization/26763
8251 * fold-const.c (fold_comparison): Move folding of
8252 PTR + CST CMP PTR + CST ...
8253 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8255 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8257 * doc/install.texi (Prerequisites): Refine some wording on
8258 bootstrapping and ksh.
8259 Move the version numbers of DejaGnu here from the testing section
8260 and fix casing of names.
8261 Fix markup and clarify wording for autogen requirements.
8262 Refer to GCJ instead of just java.
8263 Refer to SVN instead of CVS.
8264 Describe diffutils as useful instead of necessary.
8265 (Downloading the source): Refer to SVN instead of CVS.
8266 Adjust a link to our web site accordingly.
8267 (Configuration): Fix casing of Bison.
8268 (Building): Refer to SVN instead of CVS.
8269 Fix a sentence on the use of Bison and remove duplicate (and
8270 incorrect) version number of Bison requirement.
8271 Remove one redundant list of packages needed for building.
8272 (Specific): Avoid reference to CVS.
8274 2006-04-04 Eric Christopher <echristo@apple.com>
8276 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8277 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8278 (rs6000_handle_struct_attribute): New.
8279 (rs6000_ms_bitfield_layout_p): Ditto.
8281 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8283 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8284 NULL for dso parameter to atexit_common.
8286 2006-04-04 Eric Christopher <echristo@apple.com>
8288 * config/i386/i386.c (machopic_output_stub): Output \t
8289 between instructions and operands.
8291 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8293 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8294 satisfies_constraint_[IL] to explicit tests on value.
8296 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8298 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8299 set_nb_iterations_in_loop): Use build_int_cst instead of
8301 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8302 build_int_cst instead of convert.
8304 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
8306 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8307 new value 2 for incoming.
8308 * function.c (expand_function_start): Call struct_value_rtx
8310 * config/sparc/sparc.md: Comment updated_return.
8311 * config/sparc/sparc.opt: Add -mstd-struct-return option.
8312 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8313 struct return if sparc_std_struct_return and incoming is 2.
8314 (print_operand): Do not adjust return if
8315 sparc_std_struct_return.
8317 2006-04-04 Roger Sayle <roger@eyesopen.com>
8319 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8320 convert in the middle-end.
8321 * expr.c (store_expr, store_constructor, get_inner_reference,
8322 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8324 * tree.c (build_range_type): Likewise.
8326 2006-04-04 Tom Tromey <tromey@redhat.com>
8328 * doc/install.texi (Prerequisites): Mention jar.
8330 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
8332 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8335 2006-04-04 Matthias Klose <doko@debian.org>
8337 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8341 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8344 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8346 * doc/extend.texi (Function Attributes): Rewrite visibility
8347 attribute documentation.
8348 * doc/invoke.texi (C++ Dialect Options): Rewrite
8349 -fvisibility-inlines-hidden documentation to describe something
8350 entirely different, although in practise compatible.
8351 (Code Gen Options): Warn about system headers in -fvisibility=
8354 * doc/extend.texi (Other Builtins): Document that
8355 __builtin_nan is a compile-time constant only when its argument
8358 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8360 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8361 trying to remove TRUNCATE check if all bits outside the new mode
8362 are identical to the sign bit.
8364 2006-04-03 Jeff Law <law@redhat.com>
8366 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8367 and operand scanning in some common cases.
8369 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8370 Dale Johannesen <dalej@apple.com>
8373 * regclass.c (struct reg_pref): Update documentation.
8374 (regclass): Set prefclass to NO_REGS if memory is the best option.
8375 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8376 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8377 into account. For non-registers, equate an empty preferred
8378 reload class to a `!' in the constraint; move the if clause to
8379 do so after those that reject the insn.
8380 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8382 (find_dummy_reload): Likewise.
8383 * doc/tm.texi (Register Classes): Document what it means
8384 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8385 * config/i386/i386.c (ix86_preferred_reload_class): Force
8386 using SSE registers (and return NO_REGS for floating-point
8387 constants) if math is done with SSE.
8388 (ix86_preferred_output_reload_class): New.
8389 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8390 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8391 * config/i386/i386.md: Remove # register preferences.
8393 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8396 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8397 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8398 the type of nb_iter.
8399 (instantiate_parameters_1): Convert the operands before calling
8400 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8401 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8403 2006-04-02 Roger Sayle <roger@eyesopen.com>
8405 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8406 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8408 * dojump.c (do_jump): Likewise.
8409 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8410 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8411 gimplify_boolean_expr): Likewise.
8412 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8413 * varasm.c (array_size_for_constructor): Likewise.
8414 * tree-object-size.c (compute_object_offset): Likewise.
8416 2006-04-02 Roger Sayle <roger@eyesopen.com>
8419 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8420 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8422 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8424 PR tree-optimization/26939
8425 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8427 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8429 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8430 at_stmt. Convert the type of operands before calling
8431 build_polynomial_chrec.
8432 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8434 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8435 (instantiate_parameters_1): Convert the type of operands before calling
8436 build_polynomial_chrec.
8437 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8438 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8439 reset_evolution_in_loop): Insert asserts to check the types of the
8441 (chrec_type): Moved...
8442 (eq_evolutions_p): Use operand_equal_p.
8443 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8444 the types of the operands.
8445 (chrec_type): ...here.
8446 * tree-data-ref.c (create_data_ref): Convert the operands before
8447 calling chrec_replace_initial_condition.
8448 (same_access_functions, analyze_subscript_affine_affine,
8449 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8450 (compute_subscript_distance, analyze_ziv_subscript,
8451 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8452 analyze_miv_subscript): Convert the operands before calling
8453 chrec_fold_minus or chrec_fold_plus.
8455 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8457 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8458 the dependence_relations vector.
8459 (compute_data_dependences_for_loop): Adjust call to
8460 compute_all_dependences.
8462 2006-04-01 Roger Sayle <roger@eyesopen.com>
8463 Richard Henderson <rth@redhat.com>
8465 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8466 gimple_boolify on the condition before calling gimplify_expr.
8468 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8470 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8471 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8472 the frame size. Update to use the new macros.
8473 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8474 * config/xtensa/ieee754-df.S: Likewise.
8476 2006-03-31 Richard Henderson <rth@redhat.com>
8478 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8479 (make_edges): ... here. Control fallthru creation with a local
8480 variable. Do not play with fake edges.
8481 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8482 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8485 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8487 * dwarf2.h (DW64_CIE_ID): Define.
8488 * dwarf2out.c (DWARF_CIE_ID): Define.
8489 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8490 length header. Use DWARF_CIE_ID.
8491 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8492 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8494 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8496 * config/sh/linux-atomic.asm: New file.
8497 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8499 2006-03-31 DJ Delorie <dj@redhat.com>
8501 * config/m32c/cond.md: Set condition flags properly throughout.
8502 * config/m32c/minmax.md: Likewise.
8503 * config/m32c/prologue.md: Likewise.
8504 * config/m32c/bitops.md: Likewise.
8505 * config/m32c/muldiv.md: Likewise.
8506 * config/m32c/mov.md: Likewise.
8507 * config/m32c/addsub.md: Likewise.
8508 * config/m32c/m32c.md: Likewise.
8509 * config/m32c/jump.md: Likewise.
8510 * config/m32c/shift.md: Likewise.
8512 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8513 conditionally output the pattern for this.
8514 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8515 (m32c_compare_redundant): New.
8516 (m32c_output_compare): New.
8517 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8519 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8520 dest, not src. Allow other 4-byte modes.
8522 2006-03-30 Denis Chertykov <denisc@overta.ru>
8524 * doc/md.texi: Refer to avr/constraints.md instead of
8527 2006-03-30 Roger Sayle <roger@eyesopen.com>
8529 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8530 signed vs. unsigned comparison failures on some hosts.
8532 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8535 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8536 change to FLOAT_REGS.
8538 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8539 (rs6000_override_options): Use it.
8540 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8541 only for -mabi=spe/no-spe and -mabi=altivec.
8543 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8545 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8548 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8550 * Makefile.in: Rename docdir to gcc_docdir.
8552 2006-03-30 Roger Sayle <roger@eyesopen.com>
8555 * expr.c (emit_group_store): Optimize group stores into a pseudo
8556 register by using a paradoxical subreg to initialize the destination
8557 if the first or last member of the group specifies a "low part".
8559 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8562 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8563 * target.h (struct gcc_target.speculate_insn): Change type of the
8564 second parameter to 'int'.
8565 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8566 the second operand of the DEPS_LIST.
8567 (copy_DEPS_LIST_list): Update reference to the second operand of the
8569 * rtl.h (alloc_DEPS_LIST): Update signature.
8570 * sched-int.h (ds_t): Change typedef to 'int'.
8571 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8573 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8575 * haifa-sched.c (try_ready): Change condition to restore
8576 non-speculative pattern of the instruction.
8577 (process_insn_depend_be_in_spec): Code to keep probability of the
8578 speculative dependence non-decreasing.
8580 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8582 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8583 (single_move_for_movmem): ... this. Also change all uses.
8584 (bfin_expand_strmov): Renamed to...
8585 (bfin_expand_movmem): ... this. Also change all uses.
8586 * config/bfin/bfin.md (movstrsi): Renamed to...
8587 (movstrsi): ...this.
8589 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8591 PR tree-optimization/26830
8593 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8594 (copy_prop_visit_stmt): Remove write-only variable ann.
8595 (init_copy_prop): Check variable loop depth here. Do not simulate
8596 memory-tag and virtual operand PHIs except for store copy prop.
8598 2006-03-30 Richard Guenther <rguenther@suse.de>
8600 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8601 variants with double arguments.
8603 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8605 * genpreds.c (write_tm_constrs_h): Delete variable p.
8606 * genconditions.c (write_header): Add tm-constrs.h to included
8608 * genpeep.c (main): Add toplev.h to included headers.
8609 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8610 (build/genpeep.o): Add toplev.h dependency.
8611 * config/rs6000/constraints.md: Add "W" constraint.
8613 2006-03-29 Roger Sayle <roger@eyesopen.com>
8615 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8616 sizes by correctly testing whether the size fits a host integer.
8617 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8618 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8619 SImode range for the default sizetype and bitsizetype.
8621 2006-03-29 Roger Sayle <roger@eyesopen.com>
8623 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8624 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8625 quickly if the argument is already of the correct type.
8626 Call fold_build1 instead of build1. Tidy up blank lines.
8628 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8630 * genemit.c (main): Add tm-constrs.h to included headers.
8631 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8632 * genpeep.c (main): Add tm-constrs.h to included headers.
8633 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8634 (write_tm_constrs_h): this and write complete file.
8635 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8636 (write_insn_preds_c): Add tm-constrs.h to included headers.
8637 (gen_constrs): New variable.
8638 (parse_option): Parse "-c".
8639 (main): Invoke write_tm_constrs_h.
8640 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8641 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8642 (object_out_file): Add tm-constrs.h dependency.
8643 (insn-emit.o): Same.
8644 (insn-output.o): Same.
8645 (insn-peep.o): Same.
8646 (insn-preds.o): Same.
8647 (insn-recog.o): Same.
8648 (tm-constsr.h): New target.
8649 (s-constrs-h): New target.
8651 * config/rs6000/constraints.md: New file.
8652 * config/rs6000/rs6000.c: Include tm-constrs.h.
8653 (num_insn_constant_wide): Convert to satisfies_constraint.
8654 (rs6000_rtx_costs): Convert to satisfies_constraint.
8655 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8656 (CONST_OK_FOR_LETTER_P): Delete.
8657 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8658 (EXTRA_CONSTRAINT): Delete.
8659 (EXTRA_MEMORY_CONSTRAINT): Delete.
8660 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8661 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8662 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8663 satisfies_constraint.
8665 * config/i386/i386.c: Include tm-constrs.h.
8667 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8669 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8670 * tree-data-ref.c (find_data_references_in_loop,
8671 compute_data_dependences_for_loop): Use pointers to VEC.
8672 (analyze_all_data_dependences): Adjust calls.
8673 * tree-data-ref.h (find_data_references_in_loop,
8674 compute_data_dependences_for_loop): Adjust declarations.
8675 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8676 compute_data_dependences_for_loop.
8678 2006-03-29 Paul Brook <paul@codesourcery.com>
8680 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8683 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8685 PR tree-optimization/26859
8686 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8688 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8689 for the step after fold_convert.
8691 2006-03-29 Paul Brook <paul@codesourcery.com>
8693 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8694 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8696 2006-03-29 Paul Brook <paul@codesourcery.com>
8699 * targhooks.c (default_narrow_bitfield): New fuction.
8700 * targhooks.h (default_narrow_bitfield): add prototype.
8701 * target.h (gcc_target): Add narrow_volatile_bitfield.
8702 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8703 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8704 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8705 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8707 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8709 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8711 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8712 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8713 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8714 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8715 (s390_function_arg_float): Allow SDmode and DDmode values to be
8716 passed in floating point registers.
8717 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8718 check with SCALAR_FLOAT_MODE_P.
8719 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8721 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8723 PR tree-optimization/25985
8724 * tree-ssa-loop-niter.c (number_of_iterations_le,
8725 number_of_iterations_ne): Make comments more precise.
8726 (number_of_iterations_cond): Add only_exit argument. Use the
8727 fact that signed variables do not overflow only when only_exit
8729 (loop_only_exit_p): New.
8730 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8731 number_of_iterations_cond.
8733 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8735 PR tree-optimization/26643
8736 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8739 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8741 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8742 (divsi3_i4_int): Likewise.
8744 2006-03-28 Roger Sayle <roger@eyesopen.com>
8746 * expr.c (emit_group_store): Only create a new pseudo reg if the
8747 quantity it needs to hold isn't already a suitable pseudo.
8749 2006-03-28 Jeff Law <law@redhat.com>
8751 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8752 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8754 2006-03-28 Roger Sayle <roger@eyesopen.com>
8756 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8757 the equivalent ~X & Y, and the symmetry related transformations.
8758 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8759 ~X & Y, and symmetry related transforms.
8761 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8763 Revert my 2006-03-27 patches.
8765 2006-03-28 Roger Sayle <roger@eyesopen.com>
8767 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8768 ~(T1)X, when T1 and T2 are integer types of the same precision
8769 and (T2)X isn't an extension.
8771 2006-03-28 Jeff Law <law@redhat.com>
8773 PR tree-optimization/26796
8774 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8775 need EH edge cleanups rather than purging them immediately.
8776 (eliminate_degenerate_phis): Handle queued EH cleanups.
8778 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8780 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8783 2006-03-27 Roger Sayle <roger@eyesopen.com>
8786 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8787 cast BIT_NOT_EXPR operand to the correct type.
8789 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8791 * tree-loop-linear.c: Don't include varray.h.
8792 (gather_interchange_stats, try_interchange_loops,
8793 linear_transform_loops): Use VEC instead of VARRAY.
8794 * lambda-mat.c: Don't include varray.h.
8795 * tree-chrec.c: Same.
8796 * lambda-trans.c: Same.
8797 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8798 VEC instead of VARRAY.
8799 * tree-vectorizer.h: Idem.
8800 * tree-data-ref.c (dump_data_references,
8801 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8802 initialize_data_dependence_relation, finalize_ddr_dependent,
8803 compute_all_dependences, find_data_references_in_loop,
8804 compute_data_dependences_for_loop, analyze_all_data_dependences,
8805 free_dependence_relation, free_dependence_relations,
8806 free_data_refs): Idem.
8807 * tree-data-ref.h (data_reference_p, subscript_p): New.
8808 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8809 VEC instead of VARRAY.
8810 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8811 (find_data_references_in_loop, compute_data_dependences_for_loop,
8812 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8813 dump_data_dependence_relations, free_dependence_relations,
8814 free_data_refs): Adjust declaration.
8815 (lambda_transform_legal_p): Move declaration here...
8816 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8817 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8818 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8819 vect_analyze_data_refs): Use VEC instead of VARRAY.
8820 * lambda.h (lambda_transform_legal_p): ...from here.
8821 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8822 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8823 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8824 tree-chrec.o): Don't depend on VARRAY_H.
8826 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8828 * rtl.def (Copyright): Update date.
8829 (DEPS_LIST): Change type of the second operand to 'int'.
8830 * target.h (Copyright): Update date.
8831 (struct gcc_target.speculate_insn): Change type of the second parameter
8833 * lists.c (Copyright): Update date.
8834 (alloc_DEPS_LIST): Change signature. Update reference to the second
8835 operand of the DEPS_LIST.
8836 (copy_DEPS_LIST_list): Update reference to the second operand of the
8838 * rtl.h (Copyright): Update date.
8839 (alloc_DEPS_LIST): Update signature.
8840 * sched-int.h (Copyright): Update date.
8841 (ds_t): Change typedef to 'int'.
8842 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8844 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8846 * haifa-sched.c (Copyright): Update date.
8847 (try_ready): Change condition to restore non-speculative pattern
8849 (process_insn_depend_be_in_spec): Code to keep probability of the
8850 speculative dependence non-decreasing.
8852 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8854 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8855 shut up the compiler.
8857 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8859 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8860 to use lib prefix for target.
8861 ($(T)libic_invalidate_array_4-200.a): Likewise.
8862 ($(T)libic_invalidate_array_4a.a): Likewise.
8864 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8865 J"orn Rennecke <joern.rennecke@st.com>
8867 * superh.opt: New file.
8868 * sh.c (boardtype, osruntime): Remove.
8869 * superh.h (SUBTARGET_OPTIONS): Remove.
8870 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8872 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8873 arguments with ^ and/or [].
8875 * config.gcc (sh-*-*): Add quoting to account for quirk of
8877 Replace == with = in enable_incomplete_targets test.
8879 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8880 with MASK_LITTLE_ENDIAN.
8882 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8883 * config/sh/sh.opt: Added to some comments.
8884 * config/sh/superh.h: Removed some chaff.
8886 * config/sh/sh.opt: Add m4-[1234]00* options.
8887 * config/sh/sh.c (sh_handle_option): Likewise.
8888 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8889 (ic_invalidate_array_4-100.o): New rule.
8890 ($(T)libic_invalidate_array_4-100.a): Likewise.
8891 (ic_invalidate_array_4-200.o): Likewise.
8892 ($(T)libic_invalidate_array_4-200.a): Likewise.
8893 (ic_invalidate_array_4a.o): Likewise.
8894 ($(T)libic_invalidate_array_4a.a): Likewise.
8895 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8896 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8898 * config/sh/crt1.asm: Merged in profiling code.
8899 * config/sh/superh.h (STARTFILE_SPEC): Override.
8900 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8901 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8902 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8904 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8905 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8906 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8908 * sh.opt (mpretend-cmove): New option.
8909 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8910 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8911 (movsicc): Add TARGET_PRETEND_CMOVE code.
8913 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8915 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8916 s390_class_max_nregs): New function prototypes.
8917 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8918 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8919 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8920 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8922 2006-03-26 Geoffrey Keating <geoffk@apple.com>
8924 * dwarf2out.c (add_location_or_const_value_attribute): Call
8925 tree_add_const_value_attribute if nothing else works.
8926 (reference_to_unused): New.
8927 (rtl_for_decl_init): Use reference_to_unused to decide whether
8928 to output an initializer.
8930 2006-03-27 Alan Modra <amodra@bigpond.net.au>
8933 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
8934 peephole removing spe frob_di_df_2.
8936 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
8938 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
8939 (subscript_dependence_tester_1): Declared.
8940 (print_dir_vectors, print_dist_vectors): New.
8941 (debug_data_dependence_relation): New.
8942 (dump_data_dependence_relation): Print more details.
8943 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
8944 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
8945 (save_dist_v, save_dir_v, add_outer_distances,
8946 build_classic_dist_vector_1): New.
8947 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
8948 Don't test for lambda_vector_lexico_pos.
8949 (same_access_functions, add_multivariate_self_dist,
8950 add_other_self_distances, dir_from_dist): New.
8951 (build_classic_dir_vector): Replace implementation almost identical to
8952 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8954 (subscript_dependence_tester_1): New.
8955 (subscript_dependence_tester): Handle the lexicographically negative
8956 distance vectors by recomputing the dependence relation.
8957 (compute_affine_dependence): Remove parameter loop_nest_depth.
8958 (compute_self_dependence): Don't call compute_subscript_distance.
8959 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8960 Add a parameter for the loop_nest.
8961 (find_loop_nest_1, find_loop_nest): New.
8962 (compute_data_dependences_for_loop): Compute the loop nest, and give
8963 up if the nest is not well formed.
8964 * tree-data-ref.h (loop_p): New.
8965 (struct data_dependence_relation): Replace size_vect field with
8966 loop_nest, a vec of loops.
8967 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8968 (DDR_LOOP_NEST): New.
8969 (print_dir_vectors, print_dist_vectors,
8970 debug_data_dependence_relation): Declared.
8971 (index_in_loop_nest): New.
8972 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8973 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8976 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8978 * simplify-rtx.c (simplify_relational_operation): Call
8979 simplify_relational_operation_1 even if mode is VOIDmode.
8981 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8983 PR tree-optimization/26804
8984 * tree.h (DECL_CALL_CLOBBERED): New macro.
8985 (tree_decl_common): Add call_clobbered_flag.
8986 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8987 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8988 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8989 (mark_non_addressable): Ditto.
8990 * tree-ssa.c (verify_call_clobbered): New function.
8991 (verify_alias_info): Use it.
8992 * tree-pass.h (pass_reset_cc_flags): New prototype.
8993 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8994 (reset_cc_flags): New function.
8995 * passes.c (init_optimization_passes): Call reset_cc_flags after
8996 initializing referenced_vars.
8998 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8999 Roger Sayle <roger@eyesopen.com>
9002 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
9003 to 1.0 for non-real operands. Implement A / A optimization for
9006 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
9008 * config/i386/i386.c (size_cost): Correct the comment for
9009 cost of storing fp registers.
9010 (i386_cost): Likewise.
9011 (i486_cost): Likewise.
9012 (pentium_cost): Likewise.
9013 (pentiumpro_cost): Likewise.
9014 (k6_cost): Likewise.
9015 (athlon_cost): Likewise.
9016 (k8_cost): Likewise.
9017 (pentium4_cost): Likewise.
9018 (nocona_cost): Likewise.
9019 (generic64_cost): Likewise.
9020 (generic32_cost): Likewise.
9022 2006-03-24 Denis Chertykov <denisc@overta.ru>
9024 * config/avr/avr-protos.h (extra_constraint): Delete.
9025 (extra_constraint_Q): New declaration.
9026 * config/avr/constraints.md: New file.
9027 * config/avr/avr.md: Include it.
9028 (REG_X, REG_Y, REG_Z, REG_W): New constants.
9029 (TMP_REGNO, ZERO_REGNO): Likewise.
9030 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
9031 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
9032 (extra_constraint): Delete.
9033 (extra_constraint_Q): Test for memory constraint 'Q'.
9034 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
9035 (REG_CLASS_FROM_LETTER): Delete.
9036 (CONST_OK_FOR_LETTER_P): Delete.
9037 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9038 (EXTRA_CONSTRAINT): Delete.
9039 (TMP_REGNO): Delete.
9040 (ZERO_REGNO): Delete.
9042 2006-03-24 Jeff Law <law@redhat.com>
9044 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
9045 directly. Call mark_new_vars_to_rename slightly earlier.
9047 2006-03-24 Geoffrey Keating <geoffk@apple.com>
9049 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9051 (gen_compile_unit_die): Use new language types for Objective-C and
9053 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9054 DW_LANG_C_plus_plus.
9057 * config/t-darwin (crt3.o): Work around bug 26840.
9058 * config/darwin-crt3.c: Rewrite.
9059 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
9061 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
9063 * doc/invoke.texi: Document -femit-class-debug-always
9064 * common.opt: Add -femit-class-debug-always.
9066 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
9068 * config/s390/s390.c (s390_decompose_address): Allow SImode for
9069 index and base register.
9070 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9071 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
9072 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
9073 REGNO_OK_FOR_INDEX_P.
9074 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
9076 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
9077 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
9078 REG_OK_FOR_BASE_P): Definitions removed.
9080 2006-03-24 Jakub Jelinek <jakub@redhat.com>
9083 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
9084 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
9085 set yet or weren't marked as local yet.
9087 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
9089 * regrename.c (scan_rtx_address): Initialize a variable to shut up
9092 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
9094 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
9095 (rs6000_legitimate_small_data_p): Delete.
9096 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
9097 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
9098 and make static. Add forward declaration. Update uses.
9099 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
9100 of offsettable_memref_p.
9101 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
9102 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
9104 2006-03-24 Jeff Law <law@redhat.com>
9106 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
9107 around bug in immediate-use iterator.
9109 2006-03-24 Alan Modra <amodra@bigpond.net.au>
9112 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
9113 or __LITTLE_ENDIAN__.
9115 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
9117 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9118 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9119 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9120 * config/sh/sh.opt (mdiv=): Amend description.
9121 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9122 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9123 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9124 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9125 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9126 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9127 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9128 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
9129 TARGET_DIVIDE_CALL_FP.
9131 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9133 * haifa-sched.c (choose_ready): Fix type of the local variable.
9134 Move local variables. Add comment.
9135 (check_reg_live): Change signature. Make callable from debugger.
9136 * sched-int.h (check_reg_live): Update signature.
9137 * sched-ebb.c (check_reg_live): Update parameters.
9138 * sched-rgn.c (check_reg_live): Ditto.
9139 (region_head_or_leaf_p): Check pointer before dereferencing.
9140 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
9141 before reload on optimization levels below 1.
9143 2006-03-23 Richard Henderson <rth@redhat.com>
9145 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9149 * config/alpha/predicates.md (local_symbolic_operand): Reject
9152 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
9155 * tree-ssa-pre.c (create_value_expr_from): Don't reject
9156 expressions which have overflowed constants.
9158 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9160 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9162 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9164 * cfgloopmanip.c (create_loop_notes): Removed.
9165 * final.c (final_scan_insn): Do not handle loop notes.
9166 * jump.c (squeeze_notes): Ditto.
9167 * cfglayout.c (skip_insns_after_block,
9168 duplicate_insn_chain): Ditto.
9169 * cfgcleanup.c (rest_of_handle_jump2): Do not call
9171 * cfgloop.h (create_loop_notes): Declaration removed.
9173 2006-03-23 Richard Sandiford <richard@codesourcery.com>
9175 * varasm.c (output_constant_pool): Restore fnname and fndecl
9177 (assemble_start_function): Adjust call accordingly.
9178 (assemble_end_function): Likewise.
9180 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9183 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9186 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9188 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9191 * system.h (ICE_EXIT_CODE): New macro.
9192 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9193 (diagnostic_action_after_output): Likewise.
9194 * gcc.c (fatal_ice): New function.
9195 (execute): Use it instead of fatal.
9196 (fancy_abort): Likewise.
9197 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9199 2006-03-22 Jeff Law <law@redhat.com>
9201 * loop-unroll.c (analyze_iv_to_split_insn): Handle
9202 iv_analyze_result returning false.
9204 2006-03-22 Jie Zhang <jie.zhang@analog.com>
9206 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9208 2006-03-22 Richard Henderson <rth@redhat.com>
9211 * except.c (duplicate_eh_regions_0): New.
9212 (duplicate_eh_region_1): Duplicate the children of the node as
9213 well as the node itself. Link them up properly.
9214 (duplicate_eh_region_2): Merge into ...
9215 (duplicate_eh_regions): ... here. Take copy_region argument, and
9216 copy only a sub-tree if asked. Simplify copying and fixup.
9217 (eh_region_outer_p): New.
9218 * except.h (duplicate_eh_regions): Update decl.
9219 (eh_region_outer_p): Declare.
9220 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9221 (lower_omp_master): Likewise.
9222 (lower_omp_ordered): Likewise.
9223 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9224 (move_stmt_r): Use it to remap labels. Handle recursion vs
9225 remap_decls_p properly.
9226 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
9227 (find_outermost_region_in_block): New.
9228 (new_label_mapper): New.
9229 (move_sese_region_to_fn): Copy eh information to the new function
9231 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9233 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9236 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9238 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9239 into shared libraries.
9241 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9243 * doc/md.texi: Refer to i386/constraints.md instead of
9245 * config/i386/constraints.md: New file, extracted from...
9246 * config/i386/predicates.md: ...here.
9247 * config/i386/i386.md: Include constraints.md.
9249 2006-03-21 Jason Merrill <jason@redhat.com>
9251 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9254 * expr.c (init_block_move_fn): Force default visibility.
9255 (init_block_clear_fn): Likewise.
9256 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9257 * targhooks.c (default_external_stack_protect_fail): Likewise.
9259 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9261 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9262 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9263 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9264 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9265 (loadgp): Use mips_current_loadgp_style.
9266 (loadgp_noshared): New pattern.
9267 (sibcall_internal): Use MIPS_CALL.
9268 (sibcall_value_internal): Likewise.
9269 (sibcall_value_multiple_internal): Likewise.
9270 (call_internal): Likewise.
9271 (call_value_internal): Likewise.
9272 (call_value_multiple_internal): Likewise.
9273 (call_split): Use MIPS_CALL and add an 'S' constraint.
9274 (call_value_split): Likewise.
9275 (call_value_multiple_split): Likewise.
9276 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9277 (-mshared): New option.
9278 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9279 (mips_current_loadgp_style): Declare.
9280 * config/mips/mips.c (mips_classify_symbol): Avoid using
9281 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9282 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9283 TARGET_ABSOLUTE_ABICALLS.
9284 (override_options): Adjust comments. Improve the warning that is
9285 issued when -mabicalls and -G are used together.
9286 (mips_file_start): Remove comment.
9287 (mips_current_loadgp_style): New function.
9288 (mips_gnu_local_gp): New variable.
9289 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9291 (mips_output_function_prologue): Use mips_current_laodgp_style.
9292 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9293 the cprestore instruction.
9294 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9295 live for TARGET_ABSOLUTE_ABICALLS.
9296 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9297 (ASM_SPEC): Pass down -mshared and -mno-shared.
9298 (MIPS_CALL): New macro.
9299 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9301 * doc/invoke.texi (-mabicalls): Update documentation.
9302 (-mshared): Document.
9304 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9306 * config/ia64/unwind-hpux.c: New file.
9307 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9309 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9312 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9314 2006-03-21 Jeff Law <law@redhat.com>
9316 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9317 type conversions of a VR_VARYING source to a wider type.
9319 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9321 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9322 tm_file on Solaris 10 and later.
9323 (sparc64-*-solaris2*): Likewise.
9324 (sparc-*-solaris2*): Likewise.
9325 * config/sol26.h: Rename to config/sol2-6.h.
9326 * config/sol2-10.h: New file.
9328 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
9331 * tree-ssa-pre.c (create_component_ref_by_pieces):
9334 2006-03-21 Jakub Jelinek <jakub@redhat.com>
9337 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9338 return it immediately.
9340 2006-03-21 Michael Matz <matz@suse.de>
9342 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9344 (remove_arc, add_arc): Update num_out_arcs member.
9345 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9347 (cache_presence): New function.
9348 (compare_states_for_equiv): New function.
9349 (state_is_differed): Don't take number of outargs, adjust callers.
9350 Use new invariant for speeding up.
9351 (init_equiv_class): Create initial classes based on sorted
9353 (partition_equiv_class): Don't track out_arcs_num.
9354 (evaluate_equiv_classes): Call cache_presence on all states and
9357 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9359 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9360 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9361 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9362 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9364 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9365 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9366 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9367 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9368 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9370 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9371 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9372 (REGNO_REG_CLASS): ARGP is in PREGS.
9373 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9375 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9376 to deal with those addresses.
9377 * addresses.h: New file.
9378 * caller-save.c: Include "addresses.h".
9379 (init_caller_save): Use new base_reg_class function.
9380 * rtl-factoring.c: Include "addresses.h".
9381 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9382 * recog.c: Include "addresses.h".
9383 (preprocess_constraints): Use new base_reg_class function.
9384 * regrename.c: Include "addresses.h".
9385 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9386 functions. Keep track of a new var INDEX_CODE to compute valid
9388 (replace_oldest_value_addr): Likewise.
9389 (replace_oldest_value_mem): Use base_reg_class.
9390 * reload.c: Include "addresses.h".
9391 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9392 (find_reloads): Use new base_reg_class function.
9393 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9394 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9395 all callers and prototype changed.
9396 * reload1.c: Include "addresses.h".
9397 (maybe_fix_stack_asms): Use base_reg_class.
9398 * regclass.c: Include "addresses.h".
9399 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9400 (init_reg_autoinc): Use new base_reg_class function.
9401 (record_reg_classes): Likewise.
9402 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9403 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9404 Use new args to compute necessary class.
9406 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9407 regrename.o, rtl-factoring.o): Update dependencies.
9408 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9409 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9410 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9411 REG_OK_FOR_INDEX_P): Delete documentation.
9413 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9415 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9416 from V7 to V9 for Solaris 7 and above.
9418 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9420 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9421 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9422 argument pointers may not alias any other storage.
9423 * common.opt: Define option -fargument-noalias-anything.
9424 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9425 alias semantics is specified by flag_argument_noalias > 2.
9427 2006-03-20 Jeff Law <law@redhat.com>
9429 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9430 (pass_phi_only_cprop): Declare.
9431 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9433 * tree-ssa-dom.c (degenerate_phi_result): New function.
9434 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9435 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9436 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9437 (eliminate_degenerate_phis): Likewise.
9438 (pass_phi_only_cprop): New pass descriptor.
9439 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9440 support code. Callers updated.
9441 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9442 (store_copy_prop): Likewise.
9443 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9445 2006-03-20 Jason Merrill <jason@redhat.com>
9448 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9449 (push_visibility, pop_visibility): Likewise.
9450 * c-pragma.h: Declare them.
9452 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9454 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9456 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9457 parameter and use get_ebb_head_tail.
9458 (sh_md_init_global): Adjust uses of find_regmode_weight.
9460 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9462 * function.h (struct function) <x_tail_recursion_reentry>:
9463 Rename to x_stack_check_probe_note.
9464 (tail_recursion_reentry): Rename to stack_check_probe_note.
9465 * function.c: Replace tail_recursion_reentry with
9466 stack_check_probe_note everywhere.
9467 (expand_function_start): Only emit a note for
9468 stack_check_probe_note with -fstack-protect.
9469 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9471 * emit-rtl.c (remove_unnecessary_notes): Remove.
9472 (pass_remove_unnecessary_notes): Remove.
9473 * rtl.h (remove_unnecessary_notes): Remove prototype.
9474 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9475 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9476 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9478 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9481 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9482 (valid_in_set): Handle ARRAY_REF.
9483 Change "if min_variant or VH" to asserts.
9484 (create_component_ref_by_pieces): Handle ARRAY_REF.
9485 (create_expression_by_pieces): Likewise.
9486 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9488 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9490 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9491 is operand of switch, not str[0].
9493 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9495 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9496 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9498 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9500 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9501 end of insn_extra_address_constraint declaration.
9503 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9505 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9506 (no-sum-in-toc): Same.
9507 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9509 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9510 NO_FP_IN_TOC for -fPIC instead of mask.
9512 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9513 (BOOT_LDFLAGS): Delete.
9515 * config/rs6000/t-aix52: Same.
9517 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9518 (stmsi[345678]_power): New.
9520 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9522 * config/ia64/ia64.opt: Add empty line to end of file.
9524 2006-03-17 Richard Guenther <rguenther@suse.de>
9527 * builtins.c (get_pointer_alignment): For component style references
9528 adjust alignment to the component type alignment. Make sure
9529 to adjust alignment for component access of constants.
9531 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9533 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9536 2006-03-17 Paul Brook <paul@codesourcery.com>
9538 * doc/install.texi: Docuemnt --with-mode.
9539 * config.gcc: Add --with-mode for arm*-*-*.
9540 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9542 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9544 * sh.c (max_labelno_before_reorg): New variable.
9545 (sh_reorg): Initialize it.
9546 (find_barrier): Check max_labelno_before_reorg before using
9547 label_to_alignment. Take length of explicit alignment insns
9548 into account. When seeing a UNSPECV_CONST_END, return it.
9550 * sh.c (fixup_mova): Set mode of affected label to QImode.
9551 (untangle_mova): New function.
9552 (find_barrier): Use it. Check mode of label before decrementing
9554 (sh_reorg): Likewise.
9555 Set mode of all insns back to VOIDmode.
9557 * sh.c (MOVA_LABELREF): New macro.
9558 (mova_p, fixup_mova, sh_reorg): Use it.
9559 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9560 ADDR_DIFF_VEC matches mova.
9562 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9564 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9565 with ATTRIBUTE_UNUSED.
9567 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9569 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9570 pointer, instead of assuming it is possible to derive the
9571 correct args size from a call insn.
9573 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9575 * rtl.h (CONST_INT_P): Define.
9576 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9577 instead of GET_CODE(x) == CONST_INT.
9578 (vax_rtx_costs): Likewise.
9579 (vax_output_int_move): Likewise.
9580 (vax_output_int_add): Likewise.
9581 (legitimate_constant_address_p): Likewise.
9582 (index_term_p): Likewise.
9583 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9584 * config/vax/vax.md (and<mode>3): Likewise.
9585 (ashrsi3): Likewise.
9587 (movstricthi): Likewise.
9588 (movstrictqi): Likewise.
9589 (rotrsi3): Likewise.
9590 (five unnamed insns): Likewise.
9592 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9594 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9595 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9596 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9597 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9598 Pass to ASM_OUTPUT_DWARF_OFFSET.
9599 * dwarf2out.c (debug_frame_section): New.
9600 (output_call_frame_info): Use debug_frame_section. Pass it to
9601 dw2_asm_output_offset.
9602 (output_die): Pass appropriate section to dw2_asm_output_offset.
9603 (output_compilation_unit_header): Likewise.
9604 (output_pubnames): Likewise.
9605 (output_aranges): Likewise.
9606 (enum dw_val_class): Break dw_val_class_lbl_offset into
9607 dw_val_class_lineptr and dw_val_class_macptr.
9608 (add_AT_lbl_offset): Delete.
9609 (add_AT_lineptr): New.
9610 (add_AT_macptr): New.
9611 (AT_lbl): Expect a lineptr or macptr.
9612 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9613 (attr_checksum): Likewise.
9614 (same_dw_val_p): Likewise.
9615 (size_of_die): Likewise.
9616 (value_format): Likewise.
9617 (output_die): Likewise.
9618 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9620 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9621 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9622 * config/darwin-protos.h (darwin_file_start): New.
9623 (darwin_asm_output_dwarf_offset): New.
9624 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9625 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9627 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9628 if not EH section; simplify.
9629 (darwin_file_start): New.
9630 (darwin_asm_output_dwarf_offset): New.
9631 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9633 (DEBUG_INFO_SECTION): Likewise.
9634 (DEBUG_ABBREV_SECTION): Likewise.
9635 (DEBUG_ARANGES_SECTION): Likewise.
9636 (DEBUG_MACINFO_SECTION): Likewise.
9637 (DEBUG_LINE_SECTION): Likewise.
9638 (DEBUG_LOC_SECTION): Likewise.
9639 (DEBUG_PUBNAMES_SECTION): Likewise.
9640 (DEBUG_STR_SECTION): Likewise.
9641 (DEBUG_RANGES_SECTION): Likewise.
9642 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9643 (ASM_OUTPUT_DWARF_OFFSET): New.
9645 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9647 * config.gcc (tm_defines): Always add to previous value rather
9650 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9652 * config/mips/predicates.md (splittable_const_int_operand): New,
9653 split from move_operand.
9654 (splittable_symbolic_operand): New.
9655 (move_operand): Add commentary. Use splittable_const_int_operand.
9656 Inline mips_atomic_symbolic_constant_p.
9657 * config/mips/mips.md: Add combine splitters for handling moves
9658 of splittable_const_int_operands and splittable_symbolic_operands.
9659 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9660 (mips_split_symbol): Declare.
9661 (mips_move_integer): Declare.
9662 * config/mips/mips.c (mips_split_p): Make global.
9663 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9664 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9665 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9666 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9667 (mips_offset_within_object_p): Handle block symbols.
9668 (mips_atomic_symbolic_constant_p): Delete.
9669 (mips_cannot_force_const_mem): Return false for constants that
9670 mips_legitimize_move can handle.
9671 (mips_use_blocks_for_constant_p): New function.
9672 (mips_split_symbol): Make global.
9673 (mips_move_integer): Likewise. Add a temporary register argument.
9674 (mips_legitimize_const_move): Use splittable_const_int_operand and
9675 splittable_symbolic_operand.
9676 (mips_use_anchors_for_symbol_p): New function.
9677 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9678 (mips_split_p): Declare.
9680 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9682 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9683 (mips*-*-linux*): Likewise.
9685 2006-03-16 Roger Sayle <roger@eyesopen.com>
9686 Daniel Speyer <dspeyer@wam.umd.edu>
9689 * tree-dump.c (dump_real): New function.
9690 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9691 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9692 (tree-dump.o): Add $(REAL_H) to the dependencies.
9694 2006-03-16 Roger Sayle <roger@eyesopen.com>
9697 * real.c (real_from_string): If the mantissa is zero, don't bother
9698 parsing the exponent as the result should always be zero.
9700 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9702 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9704 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9706 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9707 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9708 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9709 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9710 ia64_sched_finish_global): New static functions to implement
9711 hooks from gcc_target.sched.
9712 (spec_check_no, max_uid, pending_data_specs): New static variables.
9713 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9714 ia64_spec_check_src_p): New static functions.
9715 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9716 (TARGET_SCHED_ADJUST_COST): Removed.
9717 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9718 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9719 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9720 TARGET_SCHED_GEN_CHECK,
9721 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9722 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9723 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9724 Fixed to handle speculation checks.
9725 (rtx_needs_barrier): Fixed to handle speculative loads and
9727 (ia64_variable_issue): Added code to count speculative loads and their
9729 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9731 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9733 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9735 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9736 (ia64_reorg): Reset stops_p to NULL after it is freed.
9737 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9738 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9739 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9741 (data_speculative, control_speculative, check_load): New attributes.
9742 (mov<mode>_advanced, mov<mode>_speculative,
9743 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9744 zero_extend<mode>di2_speculative,
9745 zero_extend<mode>di2_speculative_advanced): New patterns for
9746 data and control speculative loads.
9747 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9749 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9750 New pattern for data and control speculation checks.
9751 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9752 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9753 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9754 Auxiliary definitions for the patterns.
9755 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9756 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9758 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9760 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9761 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9762 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9763 New resource constraints.
9764 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9766 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9767 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9768 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9769 msched-in-control-spec, msched-ldc, msched-control-ldc,
9770 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9771 msched-prefer-non-control-spec-insns,
9772 msched-count-spec-in-critical-path): New flags to tune speculative
9774 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9775 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9776 msched-in-control-spec, msched-ldc, msched-control-ldc,
9777 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9778 msched-prefer-non-control-spec-insns,
9779 msched-count-spec-in-critical-path): Document new flags.
9781 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9783 * target.h (struct spec_info_def): New opaque declaration.
9784 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9785 speculate_insn, needs_block_p, gen_check,
9786 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9787 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9788 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9789 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9790 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9791 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9793 (TARGET_SCHED): Use new macros.
9794 * rtl.h (copy_DEPS_LIST_list): New prototype.
9795 * sched-int.h (struct sched_info): Change signature of new_ready field,
9796 adjust all initializations. New fields: add_remove_insn,
9797 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9798 region_head_or_leaf_p.
9799 (struct spec_info_def): New structure declaration.
9800 (spec_info_t): New typedef.
9801 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9802 recovery_block, orig_pat.
9803 (glat_start, glat_end): New variables declaraions.
9804 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9806 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9807 DETACH_LIFE_INFO, USE_GLAT.
9808 (enum SPEC_SCHED_FLAGS): New enumeration.
9809 (NOTE_NOTE_BB_P): New macro.
9810 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9811 attach_life_info, debug_spec_status, check_reg_live): New functions.
9812 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9813 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9815 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9816 * ddg.c (get_block_head_tail): Adjust all uses.
9817 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9818 (sms_sched_info): Initialize new fields.
9819 (contributes_to_priority): Removed.
9820 * haifa-sched.c (params.h): New include.
9821 (get_block_head_tail): Adjust all uses.
9822 (ISSUE_POINTS): New macro.
9823 (glat_start, glat_end): New global variables.
9824 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9825 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9826 old_last_basic_block, before_recovery, current_sched_info_var,
9827 rgn_n_insns, luid): New static variables.
9828 (insn_cost1): New function. Move logic from insn_cost to here.
9829 (find_insn_reg_weight1): New function. Move logic from
9830 find_insn_reg_weight to here.
9831 (reemit_notes, move_insn, max_issue): Change signature.
9832 (move_insn1): Removed.
9833 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9834 extend_bb): New static functions to support extension of scheduler's
9836 (generate_recovery_code, process_insn_depend_be_in_spec,
9837 begin_speculative_block, add_to_speculative_block,
9838 init_before_recovery, create_recovery_block, create_check_block_twin,
9839 fix_recovery_deps): New static functions to support
9840 generation of recovery code.
9841 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9842 restore_bb_notes, move_block_after_check, move_succs): New static
9843 functions to support ebb scheduling.
9844 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9845 functions to support handling of register live information.
9846 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9847 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9848 add_jump_dependencies): New static functions.
9849 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9850 consistancy checking.
9851 (debug_spec_status): New function to call from debugger.
9852 (priority): Added code to handle speculation checks.
9853 (rank_for_schedule): Added code to distinguish speculative instructions.
9854 (schedule_insn): Added code to handle speculation checks.
9855 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9856 Fixed to handle ebbs.
9857 (move_insn): Added code to handle ebb scheduling.
9858 (max_issue): Added code to use ISSUE_POINTS of instructions.
9859 (choose_ready): Added code to choose between speculative and
9860 non-speculative instructions.
9861 (schedule_block): Added code to handle ebb scheduling and scheduling of
9862 speculative instructions.
9863 (sched_init): Initialize new variables.
9864 (sched_finish): Free new variables. Print statistics.
9865 (try_ready): Added code to handle speculative instructions.
9866 * lists.c (copy_DEPS_LIST_list): New function.
9867 * sched-deps.c (extend_dependency_caches): New function. Move logic
9868 from create_dependency_caches to here.
9869 (get_dep_weak, ds_merge): Make global.
9870 * genattr.c (main): Code to output prototype for
9871 dfa_clear_single_insn_cache.
9872 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9873 (output_dfa_clean_insn_cache_func): Code to output
9874 dfa_clear_single_insn_cache function.
9875 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9877 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9879 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9880 New static variables.
9881 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9882 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9884 (ebb_sched_info): Initialize new fields.
9885 (get_block_head_tail): Adjust all uses.
9886 (compute_jump_reg_dependencies): Fixed to use glat_start.
9887 (schedule_ebb): Code to remove unreachable last block.
9888 (schedule_ebbs): Added code to update register live information.
9889 * sched-rgn.c (region_sched_info): Initialize new fields.
9890 (get_block_head_tail): Adjust all uses.
9891 (last_was_jump): Removed. Adjust users.
9892 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9893 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9894 Implement new hooks.
9895 (check_dead_notes1): New static function.
9896 (struct region): New fields: dont_calc_deps, has_real_ebb.
9897 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9898 (BB_TO_BLOCK): Fixed to handle EBBs.
9899 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9900 (ebb_head): New static variable.
9901 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9902 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9904 (compute_dom_prob_ps): New assertion.
9905 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9906 global_live_at_start.
9907 (init_ready_list): New assertions.
9908 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9909 (new_ready): Add support for BEGIN_CONTROL speculation.
9910 (schedule_insns): Fixed code that updates register live information
9912 (schedule_region): Fixed to handle EBBs.
9913 (init_regions): Use extend_regions and check_dead_notes1.
9914 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9915 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9916 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9917 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9918 TARGET_SCHED_GEN_CHECK,
9919 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9920 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9921 * doc/invoke.texi (max-sched-insn-conflict-delay,
9922 sched-spec-prob-cutoff): Document.
9924 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9926 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
9927 inter_tick, queue_index.
9928 (struct sched_info): Change signature of init_ready_list field.
9929 Adjust all initializations.
9930 (RESOLVED_DEPS): New access macro.
9931 (ready_add): Remove prototype.
9932 (try_ready): Add prototype.
9933 * sched-rgn.c (init_ready_list): Use try_ready.
9934 (schedule_region): Initialize
9935 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
9936 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
9937 (init_ready_list): Use try_ready.
9938 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
9939 * lists.c (remove_list_elem): Remove `static'.
9940 (remove_free_INSN_LIST_elem): New function.
9941 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
9942 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
9943 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
9945 (readyp): New variable.
9946 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
9947 change_queue_index, resolve_dep): New static functions.
9948 (try_ready): New function. Adjust callers in sched-rgn.c and
9949 sched-ebb.c to use it instead of ready_add.
9950 (clock_var): Move at the begining of file.
9951 (rank_for_schedule): Fix typo.
9952 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9953 (ready_lastpos): Enforce assertion.
9954 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9956 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9957 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9958 (queue_to_ready): Use free_INSN_LIST_list.
9959 (early_queue_to_ready): Fix typo.
9960 (schedule_block): Init readyp. Move init_ready_list call after the
9961 initialization of clock_var. Fix error in rejecting insn by
9962 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9963 that previously corrected INSN_TICKs. Add code for handling
9965 (set_priorities): Fix typo.
9966 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9967 Clarify comment and code that keeps current_sched_info->next_tail
9970 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9972 * sched-rgn.c (extend_rgns): New static function.
9973 (find_rgns): Use it.
9974 (gather_region_statistics, print_region_statistics): New static
9976 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9977 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9979 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9980 Andrey Belevantsev <abel@ispras.ru>
9982 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9983 * lists.c (unused_deps_list): New variable.
9984 (free_list): Add assertions to verify the proper distinguishing
9985 between INSN_LISTs and DEPS_LISTs.
9986 (find_list_elem, remove_list_elem, remove_list_node): New static
9988 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9989 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9990 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9991 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9993 (free_INSN_LIST_node): Likewise.
9994 * modulo-sched.c (current_sched_info): Initialize flags field.
9995 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9996 * rtl.def (DEPS_LIST): Define.
9997 * rtl.h: Declare new functions from lists.c.
9998 * sched-deps.c (spec_dependency_cache): New static variable.
9999 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
10000 (add_dependence): Change return type to void. Move the logic to ...
10001 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
10002 (delete_all_dependences): Add comment about forward_dependency_cache.
10003 Handle spec_dependency_cache. Handle DEPS_LISTs.
10004 (fixup_sched_groups): Clarify the change of priority of output
10005 and anti dependencies.
10006 (sched_analyze_2): Adjust add_dependence calls to create data
10007 speculative dependence.
10008 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
10009 Adjust all callers. Handle DEPS_LISTS.
10010 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
10011 presence of speculation.
10012 (init_dependency_caches, free_dependency_caches):
10013 Handle spec_dependency_cache.
10014 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
10015 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
10016 New static functions.
10017 (add_or_update_back_dep, add_or_update_back_forw_dep,
10018 add_back_forw_dep, delete_back_forw_dep): New functions.
10019 * sched-int.h (ds_t, dw_t): New typedefs.
10020 (struct sched_info): Add new field flags.
10021 (struct haifa_insn_data): Add new bitfield has_internal_dep.
10022 Prototype new sched-deps.c functions.
10023 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
10024 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
10025 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
10026 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
10027 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
10028 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
10030 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
10032 * sched-rgn.c (current_sched_info): Initialize flags field.
10033 (schedule_insns): Initialize current_sched_info before the sched_init
10035 * sched-ebb.c (current_sched_info): Initialize flags field.
10036 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
10037 Call add_or_update_back_dep instead of add_dependence.
10038 Create control speculative dependencies.
10039 (schedule_insns): Initialize current_sched_info before the sched_init
10042 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
10044 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
10046 (sh_fallback_frame_state): Likewise.
10048 2006-03-15 Geoffrey Keating <geoffk@apple.com>
10050 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10051 Do switch on default_use_cxa_atexit.
10052 (powerpc*-*-darwin*): Build crt2.o on powerpc.
10053 * config/darwin-crt3.o: New.
10054 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10055 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
10056 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
10058 * config/rs6000/t-darwin: Move crt2.o building to here.
10059 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
10060 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
10063 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10065 * config/vax/vax.c (nonindexed_address_p): Change logical negation
10066 from '! xxx' to '!xxx' for coding-style conformance.
10067 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10068 (EXTRA_CONSTRAINT): Likewise.
10069 * config/vax/vax.md (four unnamed insns): Likewise.
10071 2006-03-15 Paul Brook <paul@codesourcery.com>
10073 * config/arm/arm.c (minipool_pad): New.
10074 (add_minipool_forward_ref): Include pool alignment padding in address
10076 (push_minipool_fix): Set minipool_pad.
10077 (minipool_pad): Ditto.
10079 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10081 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
10082 instead of GET_CODE() == MEM and REG_P() instead of
10084 (print_operand_address): Likewise.
10085 (vax_address_cost): Likewise.
10086 (vax_rtx_costs): Likewise.
10087 (vax_notice_update_cc): Likewise.
10088 (vax_output_int_add): Likewise.
10089 (INDEX_REGISTER_P): Likewise.
10090 (BASE_REGISTER_P): Likewise.
10091 (nonindexed_address_p): Likewise.
10092 (vax_mode_dependent_address_p): Likewise.
10093 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
10094 (PRINT_OPERAND): Likewise.
10095 * config/vax/vax.md (ashlsi3): Likewise.
10096 (ashlsi3): Likewise.
10097 (some more unnamed insns): Likewise.
10099 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
10101 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
10102 iterator-style macro.
10103 (mark_control_dependent_edges_necessary): Update the use of
10104 EXECUTE_IF_CONTROL_DEPENDENT.
10106 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
10108 * config/sh/predicates.md (cache_address_operand): Special.
10109 (ua_address_operand): Likewise.
10111 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10113 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10115 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10117 2006-03-15 Andreas Schwab <schwab@suse.de>
10119 * gensupport.c (identify_predicable_attribute): Don't free p_false
10120 when it is still in use.
10122 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
10124 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10125 the default setting here.
10127 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
10129 * tree-pass.h (pass_cfg): Remove.
10130 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10131 * passes.c (pass_cfg): Don't run it.
10133 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
10135 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10136 * reg-stack.c (stack_regs_mentioned_data): Change the type to
10138 (stack_regs_mentioned): Update the uses of
10139 stack_regs_mentioned_data. Don't access the array beyond its
10141 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10142 Don't include gt-reg-stack.h.
10144 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
10145 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10147 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10149 PR middle-end/26684
10150 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10153 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10155 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10157 2006-03-14 Richard Guenther <rguenther@suse.de>
10159 PR tree-optimization/26672
10160 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10163 2006-03-14 Richard Guenther <rguenther@suse.de>
10165 PR tree-optimization/26667
10166 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10167 node for the callees. Always allow inlining if it will shrink
10170 2006-03-14 Richard Guenther <rguenther@suse.de>
10172 PR middle-end/26659
10173 * builtins.c (get_pointer_alignment): Prefer alignment
10174 information from decls over that from types.
10176 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
10179 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10181 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
10183 * config/rs6000/rs6000.opt (mdlmzb): New option.
10184 (msched-prolog, msched-epilog): Use Var not Mask.
10185 * doc/invoke.texi (-mdlmzb): Document.
10186 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10188 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10189 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10191 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
10193 PR rtl-optimization/25739
10194 * bt-load.c (augment_live_range): Free tos pointer.
10196 * gensupport.c (identify_predicable_attribute): Free
10198 * gcov.c (create_file_names): Free name pointer.
10200 2006-03-13 Roger Sayle <roger@eyesopen.com>
10202 PR middle-end/26557
10203 * stmt.c (emit_case_nodes): Handle the case where the index is a
10204 CONST_INT, where the comparison mode is specified by the index type.
10206 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10208 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10211 2006-03-13 Richard Sandiford <richard@codesourcery.com>
10213 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10214 (*branch_fp_inverted): Likewise.
10216 2006-03-13 Jakub Jelinek <jakub@redhat.com>
10218 PR middle-end/25989
10219 * omp-low.c (expand_omp_for_generic): Mark istart0
10220 and iend0 as addressable.
10222 2006-03-13 Jie Zhang <jie.zhang@analog.com>
10224 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10226 2006-03-13 Jeff Law <law@redhat.com>
10228 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10229 virtual operands are interesting.
10230 (vrp_visit_stmt): Corresponding changes.
10232 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
10234 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10236 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10237 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10238 * config/bfin/crti.S: Use it instead of __PIC__.
10239 * config/bfin/crtn.S: Likewise.
10241 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10242 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10244 Lose 'G' modifier for call operand.
10245 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10246 recognize 'G' modifier.
10248 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10250 PR middle-end/18859
10251 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10252 * stmt.c (expand_case): Likewise.
10254 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10256 PR rtl-optimization/26254
10257 * loop-invariant.c (seq_insns_valid_p): New function.
10258 (move_invariant_reg): Only emit new code if it is valid.
10260 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10262 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10264 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10265 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10266 (commit_one_edge_insertion): Do not look for loop notes.
10268 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10270 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10271 flag_test_coverage out of loop.
10273 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10275 * final.c (shorten_branches): Remove outdated comment, and turn
10276 the if branch that guards it to continue.
10278 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10280 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10281 * cfgloop.h (struct loop): Remove unused fields.
10283 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10285 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10286 (-dL, -fdump-rtl-loop2): Update the dump file names
10288 * doc/invoke.texi: Update dump file names.
10290 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10292 * predict.c (estimate_probability): Remove.
10293 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10294 * basic-block.h (estimate_probability): Remove prototype.
10295 * passes.c (finish_optimization_passes): Dump branch prediction or
10296 profiling heuristics to the .profile tree dump.
10297 (init_optimization_passes): Unqueue pass_branch_prob.
10299 * doc/invoke.texi (-fdump-rtl-bp): Remove.
10301 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10303 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10304 * rtl.h (LABEL_NEXTREF): Remove field accessor.
10306 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
10308 * function.h (frame_offset_overflow): Declare.
10309 * function.c (frame_offset_overflow): New function.
10310 (assign_stack_local_1): Call it to detect that the offset overflows.
10311 * cfgexpand.c (alloc_stack_frame_space): Likewise.
10313 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10315 * config/sh/sh.c: Include alloc-pool.h.
10316 (label_ref_list_pool): New alloc pool.
10317 (label_ref_list_t): New type for lists of labels.
10318 (struct pool_node): Make wend a label_ref_list_t.
10319 (add_constant): Use the new type, eradicate LABEL_NEXTREF
10321 (dump_table): Likewise.
10322 (sh_reorg): Set up the alloc pool before using add_constant and
10323 dump_table, and destroy it when finishing.
10325 2006-03-11 Richard Sandiford <richard@codesourcery.com>
10327 * config/mips/mips.c: Remove redundant comment.
10329 2006-03-10 Jason Merrill <jason@redhat.com>
10332 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10333 the target was declared 'register'.
10335 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
10337 * genpreds.c (write_insn_constraint_len): Change definition of
10338 insn_constraint_len to return size_t to match the declaration.
10340 2006-03-10 DJ Delorie <dj@redhat.com>
10342 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10344 (m32c_expand_insv): Fix test for an AND mask.
10346 2006-03-10 Richard Guenther <rguenther@suse.de>
10348 PR middle-end/26565
10349 * builtins.c (get_pointer_alignment): Handle component
10350 references for field alignment.
10352 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10354 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10355 when building with libgloss.
10356 (sh*elf): Implement --without-fp option.
10357 (sh64-superh-linux*): Don't multilib.
10359 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10361 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10363 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10365 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10366 Set it when one of the replacement functions returned true.
10367 Return TODO_cleanup_cfg if cfgchanged is true.
10368 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10370 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10372 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10373 instead of gen_lowpart.
10375 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10377 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10379 (mips_output_order_conditional_branch): Declare.
10380 * config/mips/mips.h (MIPS_BRANCH): New macro.
10381 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10382 for the comparison. Use gen_condjump.
10383 (mips_output_conditional_branch): Rework interface to take the
10384 asm templates for a direct branch and the inverse of a direct branch.
10385 (mips_output_order_conditional_branch): New function.
10386 (mips_builtin_branch_and_move): New function.
10387 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10388 branch condition. Use gen_single_cc as the condition for
10389 __builtin_mips_upper_* or __builtin_mips_lower_*.
10390 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10391 Use VOIDmode for the branch condition.
10392 * config/mips/predicates.md (order_operator): New predicate.
10393 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10394 (branch_fp): Rename to...
10395 (*branch_fp): ...this. Remove mode from comparison operator.
10396 Use new mips_output_conditional_branch interface.
10397 (branch_fp_inverted): Rename to...
10398 (*branch_fp_inverted): ...this and update as for *branch_fp.
10399 (*branch_zero<mode>): Rename to...
10400 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10401 Use mips_output_order_conditional_branch. Only accept ordered
10403 (*branch_zero<mode>_inverted): Rename to...
10404 (*branch_order<mode>_inverted): ...this and update as for
10405 *branch_order<mode>.
10406 (*branch_equality<mode>): Accept zero as the second operand to
10407 the equality operator. Use the new mips_output_conditional_branch
10409 (*branch_equality<mode>_inverted): Likewise.
10410 (condjump): New expander.
10411 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10413 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10414 (bc1any2t, bc1any2f): Likewise.
10415 (single_cc): New expander.
10416 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10418 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10420 * doc/md.texi: Update documentation of MIPS constraints.
10421 * config/mips/constraints.md: New file.
10422 * config/mips/mips.md: Include it.
10423 * config/mips/mips.c (mips_char_to_class): Delete.
10424 (override_options): Don't initialize mips_char_to_class.
10425 * config/mips/mips.h (mips_char_to_class): Delete.
10426 (REG_CLASS_FROM_LETTER): Delete.
10427 (CONST_OK_FOR_LETTER_P): Delete.
10428 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10429 (EXTRA_CONSTRAINT_Y): Delete.
10430 (EXTRA_CONSTRAINT_STR): Delete.
10431 (CONSTRAINT_LEN): Delete.
10432 (EXTRA_MEMORY_CONSTRAINT): Delete.
10434 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10436 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10437 original fn's eh regions.
10439 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10441 * fold-const.c (build_range_check): Make sure to use a valid type to
10442 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10445 (range_predecessor): New static function.
10446 (range_successor): Likewise.
10447 (merge_ranges): Use them to compute predecessors and successors of
10450 2006-03-09 Roger Sayle <roger@eyesopen.com>
10452 PR middle-end/26561
10453 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10454 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10456 2006-03-08 DJ Delorie <dj@redhat.com>
10458 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10459 (addpsi3): Expand to include memory operands. Remove
10460 reload-specific splits.
10461 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10462 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10463 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10464 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10465 (shift1_qi, shift1_hi, insv): New.
10466 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10467 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10468 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10470 * config/m32c/m32c-protos.h: Update as needed.
10471 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10472 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10473 Fail for unrecognized R* constraints.
10474 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10475 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10476 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10478 (m32c_init_libfuncs): New.
10479 (m32c_legitimate_address_p): Add debug wrapper.
10480 (m32c_rtx_costs): New.
10481 (m32c_address_cost): New.
10482 (conversions): Add 'B' prefix.
10483 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10484 operands, or word regnames for QI operands. 'B' prints bit
10486 (m32c_expand_setmemhi): New.
10487 (m32c_expand_movmemhi): New.
10488 (m32c_expand_movstr): New.
10489 (m32c_expand_cmpstr): New.
10490 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10491 (m32c_expand_neg_mulpsi3): Handle non-ints.
10492 (m32c_cmp_flg_0): New.
10493 (m32c_expand_movcc): New.
10494 (m32c_expand_insv): New.
10495 (m32c_scc_pattern): New.
10496 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10497 a0/a1 out of SIregs.
10498 (STORE_FLAG_VALUE): New.
10499 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10502 * config/m32c/mov.md: Make constraints more liberal.
10503 (zero_extendqihi2): Optimize r0/r1 case.
10504 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10505 * config/m32c/predicates.md (m32c_any_operand): New.
10506 (m32c_nonimmediate_operand): New.
10507 (m32c_hl_operand): New.
10508 (m32c_r3_operand): New.
10511 (memsym_operand): New.
10512 (memimmed_operand): New.
10513 (a_qi_operand): New.
10514 (m32c_eqne_operator): New.
10515 (m32c_1bit8_operand): New.
10516 (m32c_1bit16_operand): New.
10517 (m32c_1mask8_operand): New.
10518 (m32c_1mask16_operand): New.
10519 * config/m32c/blkmov.md: New file.
10520 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10522 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10524 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10525 unsigned to fix signed/unsigned comparison issue in
10526 DWARF2_FRAME_REG_OUT.
10527 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10528 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10530 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10531 of ptr into the ENABLE_CHECKING section.
10533 2006-03-08 Jeff Law <law@redhat.com>
10535 * tree-vrp.c (infer_value_range): Only count pointer uses
10536 and dereferences if -fdelete-null-pointer-checks is enabled.
10538 * tree-vrp.c (find_assert_locations): Infer value ranges for
10539 single use pointers, but do not create ASSERT_EXPRs for them.
10540 When a non-null range is inferred for a pointer, backwards
10541 propagate that range to other equivalent pointers through the
10544 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10547 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10548 language hook targets.
10549 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10550 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10551 if language hook targets were missing.
10553 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10555 * tree-ssa-opfinalize.h: Removed.
10556 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10558 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10559 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10560 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10561 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10562 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10563 finalize_ssa_v_must_def_ops): New.
10565 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10567 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10568 block as parameter.
10570 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10572 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10574 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10575 addresses with offsets; reorganize.
10577 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10578 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10579 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10581 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10584 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10586 2006-03-08 Ben Elliston <bje@au.ibm.com>
10588 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10590 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10593 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10596 2006-03-07 Richard Guenther <rguenther@suse.de>
10598 PR tree-optimization/26587
10599 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10601 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10603 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10605 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10607 * hooks.c (hook_bool_mode_rtx_true): New function.
10608 * hooks.h (hook_bool_mode_rtx_true): Declare.
10609 * toplev.c (compile_file): Call output_shared_constant_pool.
10610 * varasm.c (shared_constant_pool): New variable.
10611 (assemble_start_function, assemble_end_function): Remove arguments
10612 from call to output_constant_pool.
10613 (create_constant_pool): New function, split out from...
10614 (init_varasm_status): ...here.
10615 (force_const_mem): Choose between the shared and per-function constant
10616 pools. Set current_function_uses_const_pool when reusing old entries
10617 as well as when creating new ones.
10618 (mark_constant): Ignore data argument.
10619 (mark_constants): Remove pool argument.
10620 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10621 to decide whether the function uses a constant pool.
10622 (output_constant_pool_contents): New function, split out from...
10623 (output_constant_pool): ...here.
10624 (output_shared_constant_pool): New function.
10625 (init_varasm_once): Initialize shared_constant_pool.
10626 * output.h (output_constant_pool): Delete.
10627 (output_shared_constant_pool): Declare.
10628 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10629 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10631 2006-03-06 Nick Clifton <nickc@redhat.com>
10633 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10634 flag_strength_reduce.
10636 2006-03-06 Ben Elliston <bje@au.ibm.com>
10638 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10639 x86_64-*-linux* configurations.
10641 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10642 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10644 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10646 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10648 * basic-block.h: Remove the extern for
10649 rediscover_loops_after_threading.
10651 * cfgloop.c (cancel_loop): Make it static.
10652 * cfgloop.h: Remove the prototype for cancel_loop.
10654 * flow.c (recompute_reg_usage): Make it static.
10655 * rtl.h: Remove the prototype for recompute_reg_usage.
10657 * function.c (use_return_register): Make it static.
10658 * function.h: Remove the prototype.
10660 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10662 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10664 * recog.h: Remove the prototype for
10665 validate_change_maybe_volatile.
10667 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10669 * rtlanal.c (replace_reg): Remove.
10670 * rtl.h: Remove the prototype for replace_reg.
10672 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10674 * regclass.c (reg_scan_update): Remove.
10675 (reg_scan_mark_refs): Remove the last argument.
10676 * rtl.h: Remove the prototype for reg_scan_update.
10678 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10680 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10681 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10682 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10683 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10684 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10685 loop-invariant.c, omp-low.c, opts.c, passes.c,
10686 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10687 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10688 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10689 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10690 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10691 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10693 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10695 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10696 * dwarf2out.h: Remove the prototype for
10697 dwarf2out_add_library_unit_info.
10699 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10701 * tree.c (add_var_to_bind_expr): Remove.
10702 * tree.h: Remove the prototype for add_var_to_bind_expr.
10704 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10706 * regclass.c (n_non_fixed_regs): Remove.
10707 (init_reg_sets_1, globalize_reg): Remove all uses of
10709 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10711 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10713 * rtlanal.c (insns_safe_to_move_p): Remove.
10714 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10716 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10718 * expmed.c (expand_mult_add): Remove.
10719 * expr.h: Remove the prototype for expand_mult_add.
10721 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10723 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10724 and REG_SAVED_VAL_EXP constants.
10725 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10726 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10727 Handle regs stored by value.
10728 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10729 (execute_cfa_program): Handle DW_CFA_val_offset,
10730 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10731 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10732 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10733 (uw_install_context_1): Handle target regs stored by value.
10735 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10737 * tree-sra.c (tree_sra): Return todoflags;
10738 (generate_one_element): Set TODO_update_smt_usage if needed.
10739 (pass_sra): Remove TODO_update_smt_usage.
10740 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10742 (tree_ssa_forward_propagate_single_use_vars): Return
10743 TODO_update_smt_usage if we need to update SMT usage.
10744 (pass_forwprop): Remove TODO_update_smt_usage.
10746 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10748 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10749 (correct_use_link): Remove reference to get_stmt_operands.
10750 (update_stmt_operands): Likewise.
10751 (get_modify_expr_operands): New function factored out of
10752 parse_ssa_operands and get_expr_operands.
10753 Try to create V_MUST_DEFs for LHS by default.
10754 (get_expr_operands) <case MODIFY_EXPR>: Call
10755 get_modify_expr_operands.
10756 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10757 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10758 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10759 get_modify_expr_operands.
10761 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10763 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10764 * tree-flow.h: Remove the prototype for
10765 referenced_var_lookup_if_exists.
10767 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10769 PR rtl-optimization/26345
10771 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10773 2006-03-03 Roger Sayle <roger@eyesopen.com>
10775 PR tree-optimization/26524
10776 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10777 fold_convert to create a constant of the appropriate type.
10779 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10781 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10782 SYMBOL_REF_IN_BLOCK_P.
10783 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10784 of SYMBOL_FLAG_IN_BLOCK.
10785 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10786 instead of SYMBOL_REF_IN_BLOCK_P.
10787 * explow.c (use_anchored_address): Likewise.
10788 * rtl.c (rtx_size): Likewise.
10789 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10790 instead of SYMBOL_FLAG_IN_BLOCK.
10791 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10792 SYMBOL_REF_IN_BLOCK_P.
10793 (assemble_variable): Likewise.
10794 (output_constant_def_contents): Likewise.
10795 (output_constant_pool): Likewise.
10796 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10797 instead of SYMBOL_FLAG_IN_BLOCK.
10798 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10799 SYMBOL_REF_IN_BLOCK_P.
10800 (SYMBOL_REF_BLOCK): Likewise.
10801 (SYMBOL_REF_OFFSET): Likewise.
10802 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10803 SYMBOL_REF_IN_BLOCK_P.
10804 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10805 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10806 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10807 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10809 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10811 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10813 2006-03-02 Roger Sayle <roger@eyesopen.com>
10815 * simplify-rtx.c (simplify_unary_operation): When simplifying
10816 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10817 that we perform the right shift in the appropriate mode, and
10818 then extend or truncate the result to requested mode.
10820 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10822 * gengtype.c (main): Handle double_int type.
10823 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10824 * double-int.c: New file.
10825 * double-int.h: New file.
10826 * system.h: Include doubleint.h.
10827 * Makefile.in (SYSTEM_H): Include double-int.h.
10828 (double-int.o): Add.
10830 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10833 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10836 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10838 * tree-vrp.c (remove_range_assertions): Do not update statements
10841 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10843 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10845 * gcse.c (rest_of_handle_gcse): Ditto.
10846 * except.c (gate_handle_eh): Ditto.
10847 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10848 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10850 2006-03-02 Eric Christopher <echristo@apple.com>
10852 * config/i386/i386.c (machopic_output_stub): Add indirection to
10855 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10859 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10861 Sun Niagara specific optimizations.
10862 * config.gcc: Recognize niagara as target.
10863 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10864 (TARGET_CPU_niagara): Define.
10865 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10866 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10867 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10868 (ASM_CPU_SPEC): Likewise.
10869 (PROCESSOR_NIAGARA): New enum entry.
10870 (REGISTER_MOVE_COST): Handle Niagara.
10871 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10872 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10873 (sparc_override_options): Recognize "niagara", set appropriate
10874 default MASK_* values for it, and align functions to 32-bytes
10875 by default just like ULTRASPARC/ULTRASPARC3.
10876 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10877 (sparc64_initialize_trampoline): Likewise.
10878 (sparc_use_sched_lookahead): Use zero for niagara.
10879 (sparc_issue_rate): Use one for niagara.
10880 * config/sparc/niagara.md: New file.
10881 * config/sparc/sparc.md: Include it.
10882 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10883 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10884 when default cpu is niagara.
10885 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10886 (ASM_CPU_SPEC): Likewise.
10887 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10888 when default cpu is niagara.
10889 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10890 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10891 just like v9/ultrasparc/ultrasparc3.
10892 * doc/invoke.texi: Add documentation for "niagara" and improve
10893 existing documentation for ultrasparc variants.
10895 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10897 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10899 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10901 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10902 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10903 and say that only one is needed.
10904 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10905 * target.h (have_switchable_bss_sections): New hook.
10906 * explow.c (use_anchored_address): Check that the symbol is in a block.
10907 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10908 (bss_noswitch_section): New variables.
10909 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10910 (get_noswitch_section): New function.
10911 (get_block_for_section): Allow SECT to be null.
10912 (unlikely_text_section_p): Use SECTION_STYLE.
10913 (bss_initializer_p): New function.
10914 (get_variable_section): Move earlier in file. Take a new argument,
10915 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10916 Return one of the new *_sections in such cases.
10917 (get_block_for_decl): New function, extracting some logic from
10918 use_blocks_for_decl_p.
10919 (change_symbol_section): Remove in favor of...
10920 (change_symbol_block): ...this new function.
10921 (use_blocks_for_decl_p): Remove checks now performed by
10922 get_block_for_decl.
10923 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
10924 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
10925 (emit_local, emit_bss, emit_common): ...these new functions.
10926 Return true if the alignment was honored.
10927 (emit_tls_common): New function.
10928 (asm_emit_uninitialised): Delete.
10929 (assemble_variable_noswitch): New function, split out from...
10930 (assemble_variable): ...here. Don't make decisions about common
10931 variables here. Globalize all public decls that go into non-common
10932 sections. Check whether SYMBOL_REF_BLOCK is null.
10933 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
10934 (output_constant_pool): Likewise.
10935 (init_varasm_once): Initialize the new section variables.
10936 (have_global_bss_p): New function.
10937 (categorize_decl_for_section): Use bss_initializer_p.
10938 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
10939 (place_block_symbol): Assert that the symbol must be in a block.
10940 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
10941 (TARGET_INITIALIZER): Include it.
10942 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
10943 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
10944 (SECTION_MACH_DEP): Bump by two.
10945 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
10946 (unnamed_section): Mention SECTION_UNNAMED in comment.
10947 (named_section): Likewise SECTION_NAMED.
10948 (noswitch_section_callback): New type.
10949 (noswitch_section): New structure.
10950 (section): Add a noswitch_section alternative.
10951 (SECTION_STYLE): New macro.
10952 (tls_comm_section, comm_section, lcomm_section): Declare.
10953 (bss_noswitch_section, have_global_bss_p): Declare.
10954 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10955 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10957 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10958 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10961 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10963 * tree-vrp.c (execute_vrp): Return value.
10964 * regrename.c (rest_of_handle_regrename): Ditto.
10965 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10966 * tree-complex.c (tree_lower_complex): Ditto.
10967 (tree_lower_complex_O0): Ditto.
10968 * tracer.c (rest_of_handle_tracer): Ditto.
10969 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10970 * postreload.c (rest_of_handle_postreload): Ditto.
10971 * tree-tailcall.c (execute_tail_recursion): Ditto.
10972 (execute_tail_calls): Ditto.
10973 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10974 * tree.h (init_function_for_compilation): Ditto.
10975 * ipa-cp.c (ipcp_driver): Ditto.
10976 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10977 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10978 * final.c (compute_alignments): Ditto.
10979 (rest_of_handle_final): Ditto.
10980 (rest_of_handle_shorten_branches): Ditto.
10981 (rest_of_clean_state): Ditto.
10982 * omp-low.c (execute_expand_omp): Ditto.
10983 (execute_lower_omp): Ditto.
10984 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10985 * ipa-reference.c (static_execute): Ditto.
10986 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10987 * reorg.c (rest_of_handle_delay_slots): Ditto.
10988 (rest_of_handle_machine_reorg): Ditto.
10989 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10990 * flow.c (recompute_reg_usage): Ditto.
10991 (rest_of_handle_remove_death_notes): Ditto.
10992 (rest_of_handle_life): Ditto.
10993 (rest_of_handle_flow2): Ditto.
10994 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10995 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10996 (do_ssa_store_ccp): Ditto.
10997 (execute_fold_all_builtins): Ditto.
10998 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10999 * modulo-sched.c (rest_of_handle_sms): Ditto.
11000 * ipa-pure-const.c (static_execute): Ditto.
11001 * cse.c (rest_of_handle_cse): Ditto.
11002 (rest_of_handle_cse2): Ditto.
11003 * web.c (rest_of_handle_web): Ditto.
11004 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
11005 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
11006 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
11007 * tree-nrv.c (tree_nrv): Ditto.
11008 (execute_return_slot_opt): Ditto.
11009 * tree-ssa-alias.c (compute_may_aliases): Ditto.
11010 (create_structure_vars): Ditto.
11011 * loop-init.c (rtl_loop_init): Ditto.
11012 (rtl_loop_done): Ditto.
11013 (rtl_move_loop_invariants): Ditto.
11014 (rtl_unswitch): Ditto.
11015 (rtl_unroll_and_peel_loops): Ditto.
11016 (rtl_doloop): Ditto.
11017 * gimple-low.c (lower_function_body): Ditto.
11018 (mark_used_blocks): Ditto.
11019 * tree-ssa-sink.c (execute_sink_code): Ditto.
11020 * ipa-inline.c (cgraph_decide_inlining): Ditto.
11021 (cgraph_early_inlining): Ditto.
11022 * global.c (rest_of_handle_global_alloc): Ditto.
11023 * jump.c (cleanup_barriers): Ditto.
11024 (purge_line_number_notes): Ditto.
11025 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
11026 (rest_of_handle_if_after_reload): Ditto.
11027 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
11028 (tree_ssa_loop_im): Ditto.
11029 (tree_ssa_loop_unswitch): Ditto.
11030 (tree_vectorize): Ditto.
11031 (tree_linear_transform): Ditto.
11032 (tree_ssa_loop_ivcanon): Ditto.
11033 (tree_ssa_empty_loop): Ditto.
11034 (tree_ssa_loop_bounds): Ditto.
11035 (tree_complete_unroll): Ditto.
11036 (tree_ssa_loop_prefetch): Ditto.
11037 (tree_ssa_loop_ivopts): Ditto.
11038 (tree_ssa_loop_done): Ditto.
11039 * predict.c (tree_estimate_probability): Ditto.
11040 * recog.c (split_all_insns_noflow): Ditto.
11041 (rest_of_handle_peephole2): Ditto.
11042 (rest_of_handle_split_all_insns): Ditto.
11043 * tree-eh.c (lower_eh_constructs): Ditto.
11044 * regmove.c (rest_of_handle_regmove): Ditto.
11045 (rest_of_handle_stack_adjustments): Ditto.
11046 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11047 * function.c (instantiate_virtual_regs): Ditto.
11048 (init_function_for_compilation): Ditto.
11049 (rest_of_handle_check_leaf_regs): Ditto.
11050 * gcse.c (rest_of_handle_jump_bypass): Ditto.
11051 (rest_of_handle_gcse): Ditto.
11052 * ipa-type-escape.c (type_escape_execute): Ditto.
11053 * alias.c (rest_of_handle_cfg): Ditto.
11054 * tree-if-conv.c (main_tree_if_conversion): Ditto.
11055 * profile.c (rest_of_handle_branch_prob): Ditto.
11056 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
11057 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
11058 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
11059 * tree-dfa.c (find_referenced_vars): Ditto.
11060 * except.c (set_nothrow_function_flags): Ditto.
11061 (convert_to_eh_region_ranges): Ditto.
11062 (rest_of_handle_eh): Ditto.
11063 * emit-rtl.c (unshare_all_rtl): Ditto.
11064 (remove_unnecessary_notes): Ditto.
11065 * except.h (set_nothrow_function_flags): Ditto.
11066 (convert_to_eh_region_ranges): Ditto.
11067 * cfgexpand.c (tree_expand_cfg): Ditto.
11068 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11069 * tree-ssa-pre.c (do_pre): Ditto.
11070 (execute_fre): Ditto.
11071 * cfgcleanup.c (rest_of_handle_jump): Ditto.
11072 (rest_of_handle_jump2): Ditto.
11073 * tree-sra.c (tree_sra): Ditto.
11074 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
11075 (execute_mudflap_function_decls): Ditto.
11076 * tree-ssa-copy.c (do_copy_prop): Ditto.
11077 (do_store_copy_prop): Ditto.
11078 * ipa-prop.h (ipcp_driver): Ditto.
11079 * cfglayout.c (insn_locators_initialize): Ditto.
11080 * tree-ssa-forwprop.c
11081 (tree_ssa_forward_propagate_single_use_vars): Ditto.
11082 * cfglayout.h (insn_locators_initialize): Ditto.
11083 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
11084 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
11085 (execute_late_warn_uninitialized): Ditto.
11086 * rtl.h (cleanup_barriers): Ditto.
11087 (split_all_insns_noflow): Ditto.
11088 (purge_line_number_notes): Ditto.
11089 (unshare_all_rtl): Ditto.
11090 (remove_unnecessary_notes): Ditto.
11091 (recompute_reg_usage): Ditto.
11092 (variable_tracking_main): Ditto.
11093 * integrate.c (emit_initial_value_sets): Ditto.
11094 * integrate.h (emit_initial_value_sets): Ditto.
11095 * tree-optimize.c (execute_free_datastructures): Ditto
11096 (execute_free_cfg_annotations): Ditto.
11097 (execute_fixup_cfg): Ditto.
11098 (execute_cleanup_cfg_pre_ipa): Ditto.
11099 (execute_cleanup_cfg_post_optimizing): Ditto.
11100 (execute_init_datastructures): Ditto.
11101 * tree-object-size.c (compute_object_sizes): Ditto.
11102 * combine.c (rest_of_handle_combine): Ditto.
11103 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
11104 * bb-reorder.c (duplicate_computed_gotos): Ditto.
11105 (rest_of_handle_reorder_blocks): Ditto.
11106 (rest_of_handle_partition_blocks): Ditto.
11107 * var-tracking.c (variable_tracking_main): Ditto.
11108 * tree-profile.c (tree_profiling): Ditto.
11109 * tree-vect-generic.c (expand_vector_operations): Ditto.
11110 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
11111 * sched-rgn.c (rest_of_handle_sched): Ditto.
11112 (rest_of_handle_sched2): Ditto.
11113 * basic-block.h (free_bb_insn): Ditto.
11114 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
11115 * tree-cfg.c (execute_build_cfg): Ditto.
11116 (remove_useless_stmts): Ditto.
11117 (split_critical_edges): Ditto.
11118 (execute_warn_function_return): Ditto.
11119 (execute_warn_function_noreturn): Ditto.
11120 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11121 * cfgrtl.c (free_bb_for_insn): Ditto.
11122 * passes.c (execute_one_pass): Run additional
11123 todos returned by execute function.
11124 * tree-pass.h (struct tree_opt_pass): Make execute
11127 2006-03-02 Richard Guenther <rguenther@suse.de>
11129 * tree-ssa-alias.c (find_used_portions): Consider taking
11130 the address as making the variable not write-only.
11132 2006-03-02 Nick Clifton <nickc@redhat.com>
11134 * config.gcc (default_use_cxa_atexit): Extend the description of
11135 this configure variable. Set its default value to "yes" for
11136 Linux, NetBSD and ELF targets on the assumption that they will
11137 use C libraries with the __cxa_atexit function.
11139 2006-03-02 Ben Elliston <bje@au.ibm.com>
11141 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11142 parameter as unused to suppress a build warning.
11144 2006-03-02 Ben Elliston <bje@au.ibm.com>
11146 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11149 2006-03-01 Roger Sayle <roger@eyesopen.com>
11152 * gthr-posix.h (__gthrw2): Define to take three parameters, the
11153 declared name, the weak reference name, and the typeof name.
11154 (__gthrw): Avoid expanding the declared name suffix.
11155 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11157 2006-03-01 Jakub Jelinek <jakub@redhat.com>
11159 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11161 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11162 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11163 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11164 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11165 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11166 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11167 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11168 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11169 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11170 DW_DS_leading_separate, DW_DS_trailing_separate): New.
11171 (DW_END_default, DW_END_big, DW_END_little): New.
11172 (DW_END_lo_user, DW_END_hi_user): Define.
11173 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11174 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11175 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11178 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11180 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11182 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11184 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11186 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11188 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11189 to 'symbol_mem_tag'.
11191 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11194 2006-03-01 Roger Sayle <roger@eyesopen.com>
11196 * builtins.c (fold_builtin_copysign): Delete unreachable code.
11198 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11201 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11202 MACHO_DYNAMIC_NO_PIC_P.
11203 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11205 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11208 * config/darwin-protos.h (darwin_asm_output_anchor):
11210 * config/darwin-sections.def (cstring_section):
11211 Add SECTION_MERGE to the flags.
11212 (literal4_section): Likewise.
11213 (literal8_section): Likewise.
11214 (objc_selector_refs_section): Likewise.
11215 (objc_cls_refs_section): Likewise.
11216 * config/darwin.c (darwin_asm_output_anchor): New
11218 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11220 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
11222 Fix PR tree-optimization/26443
11223 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11224 to todo and PROP_tmt_usage to properties_destroyed.
11225 * tree-ssa-ccp.c (pass_ccp): Ditto.
11226 (pass_store_ccp): Ditto.
11227 * tree-ssa-dom.c (pass_dominator): Ditto.
11229 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11231 * tree-ssa-operands.c: Cleanup whitespace.
11232 (get_asm_expr_operands): Move before first invocation.
11233 (get_indirect_ref_operands): Likewise.
11234 (get_tmr_operands): Likewise.
11235 (get_call_expr_operands): Likewise.
11236 (append_def): Likewise.
11237 (append_use): Likewise.
11238 (append_v_may_def): Likewise.
11239 (append_v_must_def): Likewise.
11240 (add_call_clobber_ops): Likewise.
11241 (add_call_read_ops): Likewise.
11242 (add_stmt_operand): Likewise.
11243 (add_virtual_operand): Likewise.
11244 (build_ssa_operands): Likewise.
11246 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11248 PR middle-end/26022
11250 PR middle-end/24437
11251 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11252 with a call expr to ...
11253 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11255 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11257 * tree-vrp.c (extract_range_from_assert): Remove special
11258 handling for types with super-types.
11260 2006-03-01 Ben Elliston <bje@au.ibm.com>
11262 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11263 and powerpc64-*-linux* configurations.
11264 * config/t-dfprules: New file.
11266 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11267 Compile dfp-bit.c from the source directory using -DWIDTH and
11268 $DFP_CFLAGS to control the compilation of that file, rather than
11269 generating width-specific versions in the build directory.
11270 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11271 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11273 2006-02-28 Zack Weinberg <zackw@panix.com>
11275 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11278 2006-02-28 Eric Christopher <echristo@apple.com>
11280 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11281 Set up IN_LIBGCC definition of TARGET_64BIT.
11282 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11284 2006-02-28 Roger Sayle <roger@eyesopen.com>
11286 PR middle-end/14752
11287 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11288 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11289 cases via the construction of "expr != 0".
11291 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11293 * alias.c (alias_invariant, alias_invariant_size): Remove.
11294 (record_base_value): Remove.
11295 (memrefs_conflict_p): Don't look at alias_invariant.
11296 (end_alias_analysis): Don't free it.
11297 * alias.h (record_base_value): Remove prototype.
11299 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
11300 Adam Nemet <anemet@caviumnetworks.com>
11302 * rtl.h (truncated_to_mode): Declare it.
11303 (struct rtl_hooks): Add reg_truncated_to_mode hook.
11304 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11305 (RTL_HOOKS_INITIALIZER): Include it.
11306 * rtlhooks.c (reg_truncated_to_mode_general): New function.
11307 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11308 reg_truncated_to_mode.
11309 * rtlanal.c (truncated_to_mode): Define it.
11310 * simplify-rtx.c (simplify_unary_operation_1): Use it.
11312 2006-02-28 Jeff Law <law@redhat.com>
11314 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11315 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11316 the range allowed by TYPE_PRECISION.
11318 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11320 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11322 PR tree-optimization/26419
11323 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11326 2006-02-27 Zack Weinberg <zackw@panix.com>
11328 * doc/md.texi: Fix typo in previous change.
11330 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
11334 2006-02-27 Zack Weinberg <zackw@panix.com>
11336 * rtl.def (define_constraint, define_register_constraint)
11337 (define_memory_constraint, define_address_constraint): New MD forms.
11338 * gensupport.c (process_rtx): Put define_constraint etc on the
11340 * genpreds.c (process_define_predicate): Adjust comment. Validate
11341 the name, and call validate_exp to validate the expression.
11342 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11343 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11344 all callers changed.
11345 (validate_exp, needs_variable, struct constraint_data)
11346 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11347 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11348 (const_dbl_constraints, constraint_max_namelen)
11349 (have_register_constraints, have_memory_constraints)
11350 (have_address_constraints, have_address_constraints)
11351 (have_extra_constraints, have_const_int_constraints)
11352 (have_const_dbl_constraints, mangle, add_constraint)
11353 (process_define_constraint, process_define_register_constraint)
11354 (write_enum_constraint_num, write_lookup_constraint)
11355 (write_insn_constraint_len, write_regclass_for_constraint)
11356 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11357 (write_insn_extra_memory_constraint)
11358 (write_insn_extra_address_constraint)
11359 (write_satisfies_constraint_fns): New.
11360 (write_tm_preds_h): If we have new-style constraint definitions,
11361 prototype the functions generated from them, and define the
11362 old constraint interface (still used by generic code) in terms of
11364 (write_insn_preds_c): If we have new-style constraint definitions,
11365 generate all relevant functions from those definitions.
11366 (main): Handle define_constraint etc.
11367 * genoutput.c (struct constraint_data, indep_constraints)
11368 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11369 (mdep_constraint_len): New data structures and functions, defined
11370 #ifdef USE_MD_CONSTRAINTS.
11371 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11372 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11373 use new logic to validate operand constraints against constraint
11375 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11377 * defaults.h: If none of the old-style constraint macros are
11378 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11379 old-style macros; and poison REG_CLASS_FROM_LETTER,
11380 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11382 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11383 * doc/md.texi: Document new constraint-definition mechanism and the
11384 C interface it provides. Remove references to old mechanism
11385 elsewhere in the document.
11386 (Machine Constraints): Use pathnames relative to gcc directory,
11387 i.e. config/ARCH/FILE. Change i386 section to refer to
11388 config/i386/predicates.md; update that section to match docstrings.
11389 * doc/tm.texi: Move all documentation of the old constraint-
11390 definition macros to their own section, clearly mark as obsolete.
11392 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11393 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11395 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11396 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11397 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11398 constraint strings.
11399 (splits and peepholes): Use satisfies_constraint_*.
11400 * config/i386/i386.c (memory_address_length)
11401 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11403 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11405 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11406 scalar operation to be put back into the loop.
11408 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11411 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11412 (extract_cie_info): Handle S flag in augmentation string.
11413 (execute_cfa_program): If context->signal_frame, execute also
11414 fs->pc == context->ra instructions.
11415 (uw_frame_state_for): If context->signal_frame, don't subtract one
11416 from context->ra to find FDE.
11417 (uw_update_context_1): Set context->signal_frame to
11419 (_Unwind_GetIPInfo): New function.
11420 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11421 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11423 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11424 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11425 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11426 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11427 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11428 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11429 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11430 x86_64_fallback_frame_state): Set fs->signal_frame.
11431 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11432 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11433 (frob_update_context): Likewise. Workaround missing S flag in
11434 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11435 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11436 Remove the psw_addr + 1 hack.
11438 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11440 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11441 with aggregates here.
11442 (find_func_aliases): Remove code for &<aggregate> from here.
11444 2006-02-26 Roger Sayle <roger@eyesopen.com>
11446 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11447 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11448 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11449 as (X & C) ne/eq 0.
11451 2006-02-26 Roger Sayle <roger@eyesopen.com>
11453 PR middle-end/19983
11454 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11456 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11458 * opts.c (decode_options): Do not handle flag_strength_reduce.
11459 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11460 and OPT_fstrength_reduce.
11461 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11462 flag_prefetch_loop_arrays for being nonzero.
11463 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11465 (fprefetch-loop-arrays-rtl): Removed.
11466 (flag_prefetch_loop_arrays): Do not specify the value.
11468 * doc/passes.texi: Update documentation of loop optimizer
11470 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11471 -frerun-loop-opt): Remove.
11473 2006-02-26 Richard Guenther <rguenther@suse.de>
11475 PR tree-optimization/26421
11476 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11477 in function calls that are ADDR_EXPRs as using the whole structure.
11479 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11481 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11482 * tree-pass.h (pass_loop_optimize): Remove.
11483 * passes.c (pass_loop_optimize): Never run it.
11484 * toplev.c (backend_init): Don't call init_loop.
11485 * opts.c (flag_loop_optimize_set): Remove.
11486 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11487 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11488 the old RTL loop optimizer when profiling enabled.
11489 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11490 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11491 pre-headers for the sake of the old RTL loop optimizer.
11492 * Makefile.in: Remove all references to loop.o.
11494 * doc/invoke.texi: Remove all references to -floop-optimize
11495 and -frerun-loop-opt.
11497 2006-02-26 Zack Weinberg <zackw@panix.com>
11499 * doc/md.texi (Machine Constraints): Refer to all files with paths
11500 relative to gcc directory (i.e. config/CPU/file). Add missing
11501 @table @code ... @end table to M32C subsection.
11503 2006-02-26 Roger Sayle <roger@eyesopen.com>
11505 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11507 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11509 2006-02-26 Roger Sayle <roger@eyesopen.com>
11510 James A. Morrison <phython@gcc.gnu.org>
11512 PR middle-end/21137
11513 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11514 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11515 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11516 signedness of the shift operation.
11518 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11520 PR tree-optimization/26359
11521 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11523 2006-02-25 Roger Sayle <roger@eyesopen.com>
11525 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11526 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11527 as X == 0, and some symmetry related transformations.
11528 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11530 2006-02-25 Roger Sayle <roger@eyesopen.com>
11532 PR middle-end/23673
11533 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11534 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11535 symmetry related transformations. Fold (X^C1) == C2 as
11538 2006-02-25 Juergen Weigert <jw@suse.de>
11539 Richard Guenther <rguenther@suse.de>
11541 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11543 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11545 * combine.c (gen_lowpart_or_truncate): Call
11546 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11548 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11550 * doc/invoke.texi: Move -fopenmp description to "Options for
11552 Remove reference to -lgomp.
11554 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11556 * doc/install.texi: Require GNU tar version 1.14.
11558 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11560 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11561 * doc/invoke.texi (C++ Dialect Options): Document
11562 -fno-use-cxa-get-exception-ptr.
11563 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11564 * configure: Regenerate.
11565 * c.opt (fuse-cxa-get-exception-ptr): New.
11566 * c-opts.c (c_common_handle_option): Handle
11567 OPT_fuse_cxa_get_exception_ptr.
11568 * c-common.c (flag_use_cxa_atexit): Update documentation.
11569 (flag_use_cxa_get_exception_ptr): New.
11570 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11571 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11573 (C_COMMON_OVERRIDE_OPTIONS): New.
11575 2006-02-24 Roger Sayle <roger@eyesopen.com>
11577 PR middle-end/24952
11578 * combine.c (try_combine): Explicitly check whether GET_CODE is
11579 a SET or a CLOBBER, instead on checking that it isn't a USE.
11581 2006-02-24 Roger Sayle <roger@eyesopen.com>
11583 * fold-const.c (fold_comparison): New subroutine of fold_binary
11584 containing transformations common to both the equality and
11585 ordering relational operators, factored out of fold_binary.
11586 (fold_binary): Separate out the equality operators (EQ_EXPR
11587 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11588 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11589 transformations common to both.
11590 (fold_div_compare): Fix latent bugs in the previously unreachable
11591 LT_EXPR and GE_EXPR cases.
11593 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11595 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11596 decl libname for clog to __clog on AIX.
11598 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11600 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11603 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11604 output traceback table for thunks. Localise rs6000_stack_info call.
11606 2006-02-23 Roger Sayle <roger@eyesopen.com>
11607 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11609 * gthr-posix.h (__gthrw): Fix typo in comment.
11611 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11613 * doc/cpp.texi (Character sets): Document that we do support
11614 input files to be in any character set.
11616 2006-02-23 Jeff Law <law@redhat.com>
11618 * tree.h (PHI_ARG_NONZERO): Remove.
11619 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11620 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11621 node to the new node.
11623 PR tree-optimization/26425
11624 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11625 min/max, then assume its varying.
11627 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11629 PR rtl-optimization/26316
11630 * rtlanal.c (enum may_trap_p_flags): New.
11631 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11632 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11633 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11634 (may_trap_after_code_motion_p): New function.
11635 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11636 (find_invariant_insn): Use may_trap_after_code_motion_p.
11637 * rtl.h (may_trap_after_code_motion_p): Declare.
11639 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11641 * emit-rtl.c (immed_double_const): Cleanup.
11643 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11645 Fix PR tree-optimization/26376
11646 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11649 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11651 PR middle-end/26412
11652 * gimplify.c (omp_add_variable): Guard variable size decl test with
11653 DECL_SIZE (decl) check.
11655 2006-02-23 Richard Guenther <rguenther@suse.de>
11657 PR middle-end/26439
11658 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11659 like aggregate types.
11661 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11663 * configure.ac: Add --with{,out}-long-double-128 configure option.
11664 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11665 * configure: Rebuilt.
11666 * config.in: Rebuilt.
11667 * doc/install.texi (Options specification): Document
11668 --with-long-double-128.
11670 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11671 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11672 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11673 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11675 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11677 * config/s390/s390.c (override_options): Handle
11678 TARGET_DEFAULT_LONG_DOUBLE_128.
11680 * config/alpha/alpha.c (override_options): Handle
11681 TARGET_DEFAULT_LONG_DOUBLE_128.
11683 * config/sparc/sparc.c (sparc_override_options): Handle
11684 TARGET_DEFAULT_LONG_DOUBLE_128.
11686 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11688 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11689 (real-install-headers-tar, real-install-headers-cpio)
11690 (real-install-headers-cp): New targets.
11692 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11694 * tree.h (variable_section): Delete.
11695 * varasm.c (variable_section): Delete.
11697 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11699 * install.texi: Add notes on install.texi2html.
11700 (Building in parallel): Do not use footnotes.
11702 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11705 * doc/install.texi (Configuration): Document --disable-libgomp.
11707 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11709 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11711 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11713 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11714 (vec_extractv2df_0_sse): New.
11716 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11718 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11719 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11720 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11721 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11722 to the result of the expression.
11723 (def_cfa_1): Adjust.
11724 (frame_pointer_cfa_offset): Rename to...
11725 (frame_pointer_fb_offset): ... this. Adjust all uses.
11726 (convert_cfa_to_loc_list): Rename to...
11727 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11728 Pass it on to build_cfa_loc.
11729 (compute_frame_pointer_to_cfa_displacement): Rename to...
11730 (compute_frame_pointer_to_fb_displacement): ... this. New
11731 offset parameter. Use it in computation.
11732 (gen_subprogram_die): Compute cfa_fb_offset with the new
11733 macro, and use it to compute the fb loc list and the
11736 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11738 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11739 replaced with register_operand.
11740 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11741 non-DREG is expensive.
11742 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11743 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11746 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11748 * doc/install.texi2html: Use set -e.
11750 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11752 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11753 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11754 * doc/invoke.texi (-fshared-data): Delete.
11755 * common.opt (fshared-data): Delete.
11756 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11757 (assemble_static_space): Remove #if 0 code.
11758 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11759 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11760 * config/cris/cris.h: Remove FIXME.
11762 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11764 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11767 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11769 PR middle-end/26379
11770 * combine.c (simplify_shift_const_1): Disable nested shifts
11771 optimization for vector shifts.
11773 2006-02-20 Roger Sayle <roger@eyesopen.com>
11775 PR tree-optimization/26361
11776 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11777 of unsigned integer types.
11779 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11781 * tree-chrec.c (eq_evolutions_p): New.
11782 * tree-chrec.h (eq_evolutions_p): Declared.
11783 * tree-data-ref.c: Fix formatting.
11784 (datadep_stats, dependence_stats): New.
11786 (print_direction_vector): New.
11787 (dump_data_dependence_relation): Use print_direction_vector.
11788 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11789 (compute_subscript_distance): Static.
11790 (initialize_data_dependence_relation): Static. Get the number
11791 of loops surrounding the references from the callers, and initialize
11792 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11793 base_object_differ_p analyzers.
11794 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11795 compute_overlap_steps_for_affine_1_2,
11796 analyze_subscript_affine_affine): Count the classified dependences.
11797 Print a message when a test failed.
11798 (can_use_analyze_subscript_affine_affine): New.
11799 (analyze_siv_subscript): Compute the data dependences on symbolic
11800 scevs that verify can_use_analyze_subscript_affine_affine.
11801 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11802 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11803 Handle symbolic scevs.
11804 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11806 (subscript_dependence_tester): Moved...
11807 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11808 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11809 DDR_SIZE_VECT instead of getting it in parameter.
11810 (subscript_dependence_tester): ... here. Take as a parameter
11811 loop_nest_depth. Call build_classic_dist_vector and
11812 build_classic_dir_vector.
11813 (compute_affine_dependence): Update subscript_dependence_tester
11814 parameters. Update datadep_stats counters. Call
11815 compute_subscript_distance.
11816 (compute_self_dependence): Save the dist and dir vectors. Call
11817 compute_subscript_distance.
11818 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11819 (compute_all_dependences): Reorder parameters as they were before
11820 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11821 compute_subscript_distance. Update the use of
11822 compute_affine_dependence and initialize_data_dependence_relation.
11823 (find_data_references_in_loop): Handle COMPONENT_REF.
11824 (compute_data_dependences_for_loop): Initialize dependence_stats.
11825 Don't call build_classic_dist_vector and build_classic_dir_vector.
11826 Update the parameters of initialize_data_dependence_relation and
11827 compute_all_dependences. Print the statistics from datadep_stats.
11828 (analyze_all_data_dependences): Static. Not used until the pass for
11829 checking the data dependences is contributed.
11830 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11831 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11832 (initialize_data_dependence_relation, compute_affine_dependence,
11833 analyze_all_data_dependences, compute_subscript_distance): Removed.
11834 (print_direction_vector): New.
11835 * lambda.h (gcd): ... here.
11836 (lambda_vector_gcd): Moved here from gcd_vector.
11837 * lambda-code.c (gcd, gcd_vector): Removed.
11838 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11839 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11841 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11843 * ipa-type-escape.c: Tidy some comments and white space.
11844 * tree-ssa-operands.c: Likewise.
11846 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11849 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11850 (dump_decl_name): Do not walk the decl tree chains.
11851 * tree-pass.h (TDF_CHAIN): Remove.
11853 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11855 * Makefile.in (C): Remove
11857 (.PHONY): Remove C and PROTO
11859 2006-02-20 Roger Sayle <roger@eyesopen.com>
11861 PR middle-end/26236
11862 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11863 deprecated CHAR_TYPE tree code.
11865 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11867 * configure.ac (target_list): Add install-info, dvi, html.
11868 * configure: Regenerate.
11870 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11871 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11872 treelang/Make-lang.in: Do not use double-colon rules.
11874 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11876 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11877 (TMT_USED_ALONE): New macro.
11878 * tree-pass.h (PROP_tmt_usage): New property.
11879 (TODO_update_tmt_usage): New todo.
11880 * tree-ssa-alias.c (updating_used_alone): New variable.
11881 (recalculate_used_alone): New function.
11882 (compute_may_aliases): Set updating_used_alone, call
11883 recalculate_used_alone.
11884 * tree-sra.c (pass_sra): Note that this pass destroys
11885 PROP_tmt_usage, and add TODO_update_tmt_usage.
11886 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11887 * tree-flow.h (updating_used_alone): Prototype.
11888 (recalculate_used_alone): Ditto.
11889 * passes.c (execute_todo): Add code to set updating_used_alone,
11890 and call recalculate.
11891 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11892 for clobber if used alone, and add assert to verify used_alone
11895 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11897 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11898 for non tls symbols added.
11899 (legitimize_address): Do nothing for PLUS expressions if one of the
11900 addends is a tls symbol reference.
11902 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11906 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11908 * Makefile.in (BOOTSTRAPPING): New.
11909 (quickstrap): New definition if BOOTSTRAPPING=yes.
11911 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11912 * configure.ac: Substitute all_selected_languages with the languages
11913 that were configured. For all the other variables except
11914 lang_specs_files, include all the languages in the tree.
11915 * configure: Regenerate.
11917 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11918 if there is one. Run the commands to run fixincludes in the same
11921 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11922 * doc/install.texi: Document exact conventions for searching target tools.
11923 Document --with-build-time-tools. Document toplevel bootstrap. Document
11924 something more about building an Ada cross-compiler. Don't list GNU Make
11925 requirements which affect all platforms.
11927 2006-02-19 Roger Sayle <roger@eyesopen.com>
11929 PR middle-end/19543
11930 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
11931 only equivalent if the have both the same mode and precision.
11933 2006-02-20 Ben Elliston <bje@au.ibm.com>
11935 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
11937 2006-02-19 Roger Sayle <roger@eyesopen.com>
11938 Steven Bosscher <stevenb.gcc@gmail.com>
11940 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
11941 constant pool references to identify stack mode constants.
11942 * rtlanal.c (constant_pool_constant_p): New predicate to check
11943 whether operand is a floating point constant in the pool.
11944 * rtl.h (constant_pool_constant_p): Prototype here.
11945 * loop.c (scan_loop): Avoid hoisting constants from the constant
11946 pool on STACK_REGS targets.
11947 (load_mems): Likewise.
11948 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11949 loads into x87 registers expensive in terms of register pressure.
11951 2006-02-19 Roger Sayle <roger@eyesopen.com>
11953 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11954 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11956 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11958 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11959 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11961 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11963 * doc/invoke.texi: Document -fipa-pta.
11964 * common.opt: Add ipa-pta option.
11965 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11966 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11967 (do_ds_constraint): Ditto.
11968 (get_constraint_for): Only add to referenced_vars if
11969 referenced_vars exists.
11970 (insert_into_field_list): Rewrite to do this unsorted.
11971 (insert_into_field_list_sorted): Rename old insert_into_field_list
11973 (create_function_info_for): Use insert_into_field_list_sorted.
11974 (create_variable_info_for): Rewrite so it uses unsorted version,
11975 since the field list is sorted.
11976 (intra_create_variable_infos): Only add to referenced_vars if
11977 referenced_vars exists.
11978 (ipa_pta_execute): Init heapvars, and delete when done.
11979 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11981 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11983 * doc/install.texi: Add missing `@samp'.
11985 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11987 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11990 2006-02-18 Mark Wielaard <mark@klomp.org>
11992 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11993 who added new 4.1 features, bug fixes and integration support.
11995 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11998 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11999 MEM for ABI_V4 pic.
12001 2006-02-18 Richard Sandiford <richard@codesourcery.com>
12003 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
12004 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
12005 (copy_insn_1): Likewise. Don't copy each field individually.
12007 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
12009 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
12010 * rtl.c (rtx_size): Rename variable to...
12011 (rtx_code_size): ...this.
12012 (rtx_size): New function.
12013 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
12014 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
12016 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
12017 * rtl.h (rtx_code_size): New variable.
12018 (rtx_size): Change from a variable to a function.
12019 (RTX_SIZE): Rename to...
12020 (RTX_CODE_SIZE): ...this.
12023 PR tree-optimization/17106
12024 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
12025 (Anchored Addresses): New section.
12026 * doc/invoke.texi (-fsection-anchors): Document.
12027 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
12028 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
12029 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
12030 * hooks.c (hook_bool_mode_rtx_false): New function.
12031 * hooks.h (hook_bool_mode_rtx_false): Declare.
12032 * gengtype.c (create_optional_field): New function.
12033 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
12034 SYMBOL_REF_IN_BLOCK_P is true.
12035 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
12036 (min_anchor_offset, max_anchor_offset): Likewise.
12037 (use_anchors_for_symbol_p): New hook.
12038 * toplev.c (compile_file): Call output_object_blocks.
12039 (target_supports_section_anchors_p): New function.
12040 (process_options): Check that -fsection-anchors is only used on
12041 targets that support it and when -funit-at-a-time is in effect.
12042 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
12043 if the decl doesn't have one.
12044 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
12045 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
12046 of force_const_mem through use_anchored_address.
12047 (expand_expr_constant): New function.
12048 (expand_expr_addr_expr_1): Call it. Use the same modifier when
12049 calling expand_expr for INDIRECT_REF.
12050 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12051 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
12052 * expr.h (use_anchored_address): Declare.
12053 * loop-unroll.c: Don't declare rtx vectors here.
12054 * explow.c: Include output.h.
12055 (validize_mem): Call use_anchored_address.
12056 (use_anchored_address): New function.
12057 * common.opt (-fsection-anchors): New switch.
12058 * varasm.c (object_block_htab, anchor_labelno): New variables.
12059 (hash_section, object_block_entry_eq, object_block_entry_hash)
12060 (use_object_blocks_p, get_block_for_section, create_block_symbol)
12061 (use_blocks_for_decl_p, change_symbol_section): New functions.
12062 (get_variable_section): New function, split out from assemble_variable.
12063 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
12064 use_blocks_for_decl_p say so. Use change_symbol_section if the
12065 symbol has already been created.
12066 (assemble_variable_contents): New function, split out from...
12067 (assemble_variable): ...here. Don't output any code for
12068 block symbols; just pass them to place_block_symbol.
12069 Use get_variable_section and assemble_variable_contents.
12070 (get_constant_alignment, get_constant_section, get_constant_size): New
12071 functions, split from output_constant_def_contents.
12072 (build_constant_desc): Create a block symbol if use_object_blocks_p
12073 says so. Or into SYMBOL_REF_FLAGS.
12074 (assemble_constant_contents): New function, split from...
12075 (output_constant_def_contents): ...here. Don't output any code
12076 for block symbols; just pass them to place_section_symbol.
12077 Use get_constant_section and get_constant_alignment.
12078 (force_const_mem): Create a block symbol if use_object_blocks_p and
12079 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
12080 (output_constant_pool_1): Add an explicit alignment argument.
12081 Don't switch sections here.
12082 (output_constant_pool): Adjust call to output_constant_pool_1.
12083 Switch sections here instead. Don't output anything for block symbols;
12084 just pass them to place_block_symbol.
12085 (init_varasm_once): Initialize object_block_htab.
12086 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
12087 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
12088 (place_block_symbol, get_section_anchor, output_object_block)
12089 (output_object_block_htab, output_object_blocks): New functions.
12090 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
12091 (TARGET_ASM_OUT): Include it.
12092 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
12093 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
12094 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
12095 (TARGET_INITIALIZER): Include them.
12096 * rtl.c (rtl_check_failed_block_symbol): New function.
12097 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
12098 (block_symbol, object_block): New structures.
12099 (rtx_def): Add a block_symbol field to the union.
12100 (BLOCK_SYMBOL_CHECK): New macro.
12101 (rtl_check_failed_block_symbol): Declare.
12102 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
12103 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
12104 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
12105 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
12106 * output.h (output_section_symbols): Declare.
12107 (object_block): Name structure.
12108 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
12109 (default_use_anchors_for_symbol_p): Declare.
12110 * Makefile.in (RTL_BASE_H): Add vec.h.
12111 (explow.o): Depend on output.h.
12112 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
12113 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12114 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12115 (rs6000_use_blocks_for_constant_p): New function.
12117 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12119 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12121 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12124 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12127 2006-02-18 Diego Novillo <dnovillo@redhat.com>
12129 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12133 2006-02-18 Jakub Jelinek <jakub@redhat.com>
12135 PR middle-end/26334
12136 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12137 instead of DECL_REGISTER.
12139 2006-02-18 Olivier Hainque <hainque@adacore.com>
12142 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12144 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
12147 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12148 * opth-gen.awk: Handle Var and InverseMask together.
12149 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12150 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12151 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12152 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12154 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12155 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12156 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12157 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12158 LINUX_DYNAMIC_LINKER): Define.
12159 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12160 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12162 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12163 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12164 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12165 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12166 (TARGET_C99_FUNCTIONS): Don't define.
12167 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12168 GLIBC_DYNAMIC_LINKER.
12169 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12170 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12171 GLIBC_DYNAMIC_LINKER64): Define.
12172 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12173 LINUX_DYNAMIC_LINKER64.
12174 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12175 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12176 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12177 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12178 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12179 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12180 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12181 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12182 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12183 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12184 and LINUX_DYNAMIC_LINKER32.
12185 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12186 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12187 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12188 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12189 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12191 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12192 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12193 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12194 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12195 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12196 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12197 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12198 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12199 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12200 LINUX_DYNAMIC_LINKER): Define.
12201 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12202 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12203 GLIBC_DYNAMIC_LINKER64): Define.
12204 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12205 LINUX_DYNAMIC_LINKER64.
12206 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12207 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12208 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12209 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12210 LINUX_DYNAMIC_LINKER): Define.
12211 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12212 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12213 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12214 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12215 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12216 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12217 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12218 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12219 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12220 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12221 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12222 * doc/invoke.texi (-muclibc): Remove caveat about supported
12225 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12227 * doc/cpp.texi (__TIMESTAMP__): Document.
12229 2006-02-17 Roger Sayle <roger@eyesopen.com>
12231 PR middle-end/25600
12232 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12233 C is one less than the width of X (and related transformations).
12234 * simplify-rtx.c (simplify_unary_operation_1): Transform
12235 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12236 depending on STORE_FLAG_VALUE, were C is one less then the
12239 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12241 Fix PR tree-optimization/26341
12242 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12243 about NAME_MEMORY_TAG's.
12245 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12248 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12249 with hardware float support, and software float support. Add fcpy
12250 alternative to hardware patterns. Add alternatives to copy between
12251 general and floating-point registers to the 32-bit pattern.
12252 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12253 secondary reload to load a QI or HI mode constant into a floating
12255 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12256 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12258 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12261 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12263 (load_macho_picbase_di): Likewise.
12265 2006-02-16 Jeff Law <law@redhat.com>
12267 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12268 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12269 (ssa_name_nonzero_p): Likewise.
12270 (get_value_range): Return NULL if VRP is not running.
12271 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12272 VRP routines do not discover a range.
12273 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12274 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12275 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12276 (tree_expr_nonnegative_p): Similarly.
12277 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12278 (restore_nonzero_vars_to_original_value): Remove.
12279 (unsafe_associative_fp_binop): Remove.
12280 (tree_ssa_dominator_optimize): Remove initialization and
12281 finalization of nonzero_vars and nonzero_vars_stack.
12282 (dom_opt_initialize_block): No longer push marker on
12283 nonzero_vars_stack.
12284 (dom_opt_finalize_block): No longer call
12285 restore_nonzero_vars_to_original_value.
12286 (record_equivalences_from_phis): No longer look for
12287 nonzero PHI arguments.
12288 (cprop_into_successor_phis): No longer propagate nonzero
12289 property into PHI arguments. Lose unused argument. Caller
12291 (record_equivalences_from_stmt): No longer record nonzero
12292 values for SSA_NAMEs.
12293 (lookup_avail_expr): No longer use nonzero_vars.
12295 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12296 for sizetype when sizetype is unsigned.
12298 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
12300 PR rtl-optimization/25603
12301 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12302 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12303 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12304 with new meaning of SETS.
12306 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
12311 * config/linux.opt: New file.
12312 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12313 LINUX_DYNAMIC_LINKER): Define.
12314 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12315 * config.gcc (*-*-linux*): Define extra_options.
12316 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12317 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12318 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12319 GLIBC_DYNAMIC_LINKER.
12320 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12321 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12322 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12323 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12324 * doc/invoke.texi (GNU/Linux Options): New section.
12326 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
12328 * config/sparc/sparc.md (setjmp): Rewrite.
12329 (setjmp_32): Delete.
12330 (setjmp_64): Likewise.
12332 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
12334 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12337 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12339 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12342 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12344 PR rtl-optimization/26296
12345 * Makefile.in (loop-invariant.c): Add except.h dependency.
12346 * loop-invariant.c: Include except.h.
12347 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12349 2005-02-16 Paul Brook <paul@codesourcery.com>
12351 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12354 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12356 PR rtl-optimization/25636
12357 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12358 when deciding whether an insn is an initializing insn.
12360 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12362 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12363 (tree_code_size): Ditto.
12364 * tree.h (struct tree_memory_tag): Remove parent_var.
12365 (struct tree_struct_field_tag): New.
12368 (union tree_node): Add sft member.
12369 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12371 (create_sft): Add size and offset argument, set SFT_OFFSET and
12373 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12374 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12375 * tree-flow-inline.h (get_subvar_at): Update for
12376 SFT_OFFSET/SFT_SIZE.
12377 (var_can_have_subvars): Ditto.
12378 (overlap_subvar): Ditto.
12379 * print-tree.c (print_node): Print out interesting things for
12381 * tree-flow.h (struct subvar): Remove offset and size members.
12382 * tree-ssa-operands.c (get_expr_operands): Update for
12383 get_indirect_ref_operands changes.
12384 (get_indirect_ref_operands): Call add_virtual_operand instead of
12385 add_stmt_operand. Only recurse on base var if requested.
12386 (access_can_touch_variable): New function.
12387 (add_stmt_operand): Split virtual operand handling into ...
12388 (add_virtual_operand): Here. Add offset, size, and for_clobber
12389 arguments. Prune alias sets.
12390 (add_call_clobber_ops): Call add_virtual_operand.
12392 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12394 PR middle-end/26300
12395 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12397 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12398 than TREE_CODE as index into omp_clause_num_ops array.
12400 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12402 PR rtl-optimization/26184
12403 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12405 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12406 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12407 must_precede, must_follow and tobe_scheduled.
12410 * opts.c (common_handle_option): Free new_option pointer.
12411 * df-core.c (df_analyze): Free postorder pointer.
12413 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12415 * Makefile.in: Fix the examples about the use of stamps
12417 2006-02-15 Michael Matz <matz@suse.de>
12419 PR middle-end/22275
12421 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12422 influenced by maximum_field_alignment or DECL_PACKED.
12423 (update_alignment_for_field): Ditto.
12424 (place_field): Ditto.
12425 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12428 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12430 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12431 (debug_flow_info): Pass it.
12432 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12433 * bb-reorder.c (reorder_basic_blocks): Likewise.
12434 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12435 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12436 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12437 * gcse.c (gcse_main, bypass_jumps): Likewise.
12438 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12439 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12440 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12441 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12442 * rtl.h (dump_flow_info): Adjust prototype.
12443 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12444 * var-tracking.c (variable_tracking_main): Likewise.
12445 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12446 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12449 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12451 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12454 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12456 PR tree-optimization/26209
12457 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12458 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12460 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12462 2006-02-14 Roger Sayle <roger@eyesopen.com>
12464 PR middle-end/23670
12465 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12466 (X,Y) and the corresponding symmetry related transformations.
12467 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12468 (X,Y) and its symmetry related transformations.
12470 2006-02-14 Roger Sayle <roger@eyesopen.com>
12472 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12475 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12477 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12479 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12482 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12483 support COMDAT group.
12484 * configure: Regenerate.
12486 2006-02-14 Roger Sayle <roger@eyesopen.com>
12488 PR middle-end/26279
12489 PR middle-end/26280
12490 PR middle-end/26283
12491 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12493 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12495 Fix PR tree-optimization/26260
12497 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12499 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12500 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12501 * tree-ssa-structalias.c (create_variable_info_for): Use
12502 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12504 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12506 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12508 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12509 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12510 of the ending condition.
12511 * tree-ssa-loop-manip.c: Include params.h.
12512 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12513 tree_unroll_loop): New functions.
12514 * tree-pass.h (pass_loop_prefetch): Declare.
12515 * loop.c (rest_of_handle_loop_optimize): Test for
12516 -fprefetch-loop-arrays-rtl.
12517 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12518 * timevar.def (TV_TREE_PREFETCH): New timevar.
12519 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12520 pass_loop_prefetch): New.
12521 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12522 (cleanup_tree_cfg_loop): Call scev_reset.
12523 * common.opt (fprefetch-loop-arrays-rtl): Add.
12524 * tree-ssa-loop-prefetch.c: New file.
12525 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12526 (new_temp_expr_table): Initialize expr_vars.
12527 (free_temp_expr_table): Cleanup expr_vars.
12528 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12529 expressions from being merged into one.
12530 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12531 (struct tree_niter_desc): Add control, bound and cmp fields.
12532 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12534 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12535 (tree-cfgcleanup.o): Add SCEV_H dependency.
12536 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12537 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12539 2006-02-14 Richard Guenther <rguenther@suse.de>
12541 PR tree-optimization/26258
12542 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12543 in PHI argument processing.
12545 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12547 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12548 new expression in the requested machine mode.
12550 2006-02-13 Roger Sayle <roger@eyesopen.com>
12552 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12553 directly, instead let do_compare_rtx_and_jump handle this for us.
12554 * expr.c (expand_expr_real_1): Likewise.
12555 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12556 before do_jump_by_parts_greater.
12557 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12558 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12560 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12562 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12564 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12566 PR rtl-optimization/26235
12567 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12568 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12571 2006-02-13 Jeff Law <law@redhat.com>
12573 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12576 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12578 PR middle-end/26092
12579 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12580 twice if decl is a builtin. When trying again, call get_callee_fndecl
12581 first to verify it is still a builtin.
12583 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12585 * dwarf2out.c (base_type_die): Don't add AT_name here.
12586 (subrange_type_die): Don't add AT_name here.
12587 (modified_type_die): Rearrange code flow. Do add AT_name here.
12589 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12591 PR rtl-optimization/26247
12592 PR rtl-optimization/26248
12593 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12595 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12597 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12598 * config/fixtfdi.c: Likewise.
12599 * config/fixunstfdi.c: Likewise.
12600 * config/floatditf.c: Likewise.
12602 2006-02-13 Roger Sayle <roger@eyesopen.com>
12604 PR middle-end/24427
12605 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12606 into (X,C2) if C1 is a subset of the bits of C2. Transform
12607 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12609 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12611 2006-02-13 Josh Conner <jconner@apple.com>
12614 * varasm.c (function_section): Check for section name before
12615 calling select_section on targets that define
12616 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12617 unlikely_text_section instead of hot_function_section if
12618 first_function_block_is_cold.
12620 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12622 PR middle-end/25335
12623 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12625 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12627 PR rtl-optimization/26222
12628 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12629 after tree->rtl expansion.
12630 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12631 before passing it to emit_move_insn.
12633 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12635 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12637 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12638 Clarify documentation.
12639 * c-common.h (warn_write_strings): Remove.
12640 * c-common.c (warn_write_strings): Likewise.
12641 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12644 2006-02-12 Roger Sayle <roger@eyesopen.com>
12646 PR middle-end/25724
12647 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12648 (do_jump_parts_zero_rtx): New function renamed from
12649 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12650 (do_jump_parts_equality_rtx): New function split out from
12651 do_jump_parts_equality. Old implementation renamed as above.
12652 Call do_jump_parts_zero_rtx if either operand is zero.
12653 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12654 do all of the heavy lifting.
12655 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12656 calling either do_jump_by_parts_greater_rtx or
12657 do_jump_by_parts_equality_rtx.
12658 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12659 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12660 moved to do_compare_rtx_and_jump, call it directly.
12661 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12662 mode argument. Call do_compare_rtx_and_jump.
12663 (emit_case_nodes): Update calls to do_jump_if_equal.
12665 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12667 PR rtl-optimization/26225
12668 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12670 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12672 PR rtl-optimization/26232
12673 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12675 2006-02-11 Jason Merrill <jason@redhat.com>
12678 * tree-inline.c (declare_return_variable): Just don't use the
12679 modify target if it's a gimple complex reg and the return slot
12682 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12684 * doc/contrib.texi: Update my entry.
12686 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12688 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12690 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12692 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12695 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12697 * doc/invoke.texi (-floop-optimize2): Removed.
12698 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12699 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12700 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12701 * common.opt (floop-optimize2): Removed.
12702 (fmove-loop-invariants): Enabled by default.
12704 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12706 * tree-if-conv.c (combine_blocks): Free the result of
12707 get_loop_exit_edges.
12709 2006-02-10 Jeff Law <law@redhat.com>
12711 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12713 PR tree-optimization/26213
12714 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12715 loop trying to follow SSA_NAME_VALUE chains.
12717 2006-02-10 Richard Guenther <rguenther@suse.de>
12719 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12720 deal with structures that end in implicitly variable sized arrays.
12722 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12724 PR rtl-optimization/24762
12725 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12728 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12730 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12731 (struct ivopts_data): Add regs_used field.
12732 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12733 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12734 instead of loop_data->regs_used;
12735 (free_loop_data): Do not free aux fields for loops.
12736 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12737 and tree_ssa_iv_optimize_finalize.
12739 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12741 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12743 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12746 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12747 computing the effective result type.
12749 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12751 PR inline-asm/16194
12752 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12753 (tree_overlaps_hard_reg_set): Declare.
12754 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12755 type and signature to match function type expected by walk_tree.
12756 (tree_overlaps_hard_reg_set): New function.
12757 (decl_conflicts_with_clobbers_p): Rename to:
12758 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12759 Use tree_overlaps_hard_reg_set. Changed caller.
12760 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12761 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12762 * cris.c (cris_md_asm_clobbers): Likewise.
12764 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12766 * reload1.c (emit_input_reload_insns): Delete code that tries to
12767 inherit using find_equiv_reg.
12769 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12771 * c-common.h (flag_const_strings): Don't declare.
12772 * c-common.c (flag_const_strings): Remove.
12773 * c.opt (fconst_strings): Remove.
12774 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12775 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12776 (c_common_init_options): Don't set flag_const_strings.
12777 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12779 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12781 * arm.md (tlobits_cbranch): New pattern.
12782 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12783 testing a single bit.
12785 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12788 * tree-ssa-pre.c (create_component_ref_by_pieces):
12789 Handle RETURN_DECL like VAR_DECL.
12791 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12793 PR middle-end/26134
12794 * fold-const.c (fold_indirect_ref_1): Fold
12795 "*(foo *)&complexfoo" to "__real__ complexfoo"
12796 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12798 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12800 * tree-flow-inline.h (var_can_have_subvars):
12801 Volatile variables should not have subvariables.
12803 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12806 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12807 multiplying unsigned values.
12810 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12812 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12814 2006-02-08 Jason Merrill <jason@redhat.com>
12817 * tree.def: Elaborate on difference from MODIFY_EXPR.
12818 * doc/c-tree.texi (INIT_EXPR): Likewise.
12819 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12820 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12821 (gimplify_target_expr): Likewise.
12822 (gimplify_cond_expr): Remove target handling.
12823 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12824 (gimplify_expr): Clobber it here.
12825 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12826 Do return slot optimization if we have an INIT_EXPR.
12829 * tree-inline.c (declare_return_variable): Also clear
12830 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12833 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12835 PR middle-end/22439
12836 * gimplify.c (gimplify_one_sizepos): Fix typo.
12838 2006-02-08 Jeff Law <law@redhat.com>
12840 PR tree-optimization/21417
12841 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12842 across a backedge if the control statement at the end of the
12843 block is data dependent on other statements in the same block.
12844 (record_temporary_equivalences_from_stmts): Remove over-conservative
12845 test for threading across backedges.
12847 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12848 control statement, handle all three special cases in the same
12849 manner as they all have the same desired solution. No longer
12850 special case edge flag updating when the post dominator is
12853 2006-02-08 Roger Sayle <roger@eyesopen.com>
12855 * tree.def (CHAR_TYPE): Remove.
12856 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12857 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12858 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12859 (gen_string_type_die): Delete unreachable function.
12861 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12862 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12863 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12864 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12865 * builtins.c (type_to_class): Likewise.
12866 * fold-const.c (fold_convert, build_range_check,
12867 merge_ranges): Likewise.
12868 * expr.c (count_type_elements): Likewise.
12869 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12870 * stor-layout.c (layout_type): Likewise.
12871 * ipa-type-escape.c (type_to_consider): Likewise.
12872 * gimplify.c (omp_firstprivatize_type_sizes,
12873 gimplify_type_sizes): Likewise.
12874 * explow.c (promote_mode): Likewise.
12875 * tree-sra.c (is_sra_scalar_type): Likewise.
12876 * varasm.c (output_constant): Likewise.
12877 * tree-inline.c (remap_type_1): Likewise.
12878 * convert.c (convert_to_pointer, convert_to_real,
12879 convert_to_integer, convert_to_complex): Likewise.
12881 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12883 * df-scan.c (df_def_record_1): A set destination may
12884 be a parallel regardless of mode.
12886 2006-02-08 Roger Sayle <roger@eyesopen.com>
12889 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12890 * config/mips/_tilib.c: Remove.
12891 * config/fixtfdi.c: New libgcc source file.
12892 * config/fixunstfdi.c: New source file.
12893 * config/floatditf.c: New source file.
12894 * config/floatunditf.c: New souce file.
12895 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12896 files above instead of config/mips/_tilib.c.
12897 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12899 2006-02-08 Jeff Law <law@redhat.com>
12901 PR tree-optimization/26169
12902 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12905 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12907 * df.h (DF_REG_SIZE): Return the length of the initialized
12910 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12912 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12913 __muldf3): Return a correctly signed zero.
12915 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12917 * passes.c (register_one_dump_file): Accept the current properties
12918 instead of pass number. Adjust call to dump_register. Remove
12920 (register_dump_files): Now a wrapper around...
12921 (register_dump_files_1): ... this one. Do not modify the pass
12923 (next_pass_1): Cosmetic fix.
12924 (execute_todo): Keep second parameter only. Use curr_properties
12925 instead of fetching it from the pass structure. Check and set
12927 (execute_one_pass): Handle TODO_set_props. Use curr_properties
12928 instead of fetching it from the pass structure. Fix calls to
12929 execute_todo. Update curr_properties and initialize .vcg RTL dump
12930 after running the pass. Reset last_verified.
12931 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
12933 (FIRST_AUTO_NUMBERED_DUMP): New.
12934 (dump_register): Remove "num" parameter, assign it within the
12936 (get_dump_file_name): Modify template for dumps.
12937 * tree-dump.h (dump_register): Adjust prototype.
12938 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
12939 (PROP_trees): Add PROP_gimple_lomp.
12940 (TODO_set_props): New.
12941 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
12942 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
12943 * cfgexpand.c (pass_expand): Destroy PROP_trees.
12945 2006-02-08 Jakub Jelinek <jakub@redhat.com>
12947 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
12948 (sparc64-*-linux*): Likewise.
12949 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12950 * config/sparc/t-linux: New file.
12951 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12952 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12953 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12954 -m32 -mlong-double-128.
12956 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12957 * config/alpha/t-linux: New file.
12958 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12960 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12961 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12962 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12963 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12964 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12965 (CPP_ARCH32_SPEC): Remove.
12967 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12969 PR tree-optimization/26145
12970 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12973 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12976 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12977 >= 240000 when generating code for SOM runtime.
12978 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12979 to $$dyncall when generating code for SOM runtime..
12981 2006-02-07 Dirk Mueller <dmueller@suse.com>
12984 * doc/invoke.texi (-Wsequence-point): Update documentation
12985 that -Wsequence-point is implemented for C++ as well.
12987 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12989 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12990 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12991 (LIB_SPEC): Likewise.
12992 * doc/invoke.texi (SPARC options): Document -pthread.
12994 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12996 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12999 2006-02-07 Roger Sayle <roger@eyesopen.com>
13001 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
13002 Correct comment describing BOOLEAN_TYPE.
13004 2006-02-07 Dirk Mueller <dmueller@suse.com>
13006 * c.opt: C++ frontend supports -Wdiv-by-zero.
13007 * c-opts.c (c_common_handle_option): Remove dead case.
13009 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13011 * configure.ac (TLS assembler check): Do not enable TLS by
13012 default on SPARC/Solaris before version 10.
13013 * configure: Regenerate.
13015 2006-02-07 David Edelsohn <edelsohn@gnu.org>
13017 * doc/invoke.texi (xl-compat): Document conversion and support
13020 2006-02-07 Jeff Law <law@redhat.com>
13022 * tree-vrp.c (find_conditional_asserts): Update comments.
13023 (simplify_stmt_for_jump_threading): New.
13024 (identify_jump_threads, finalize_jump_threads): New.
13025 (vrp_finalize): Call identify_jump_threads.
13026 (execute_vrp): Call finalize_jump_threads.
13027 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
13028 (vrp_element, vrp_data, vrp_element_p): Remove.
13029 (vrp_hash_elt, vrp_variables_stack): Remove.
13030 (vrp_hash, vrp_eq, record_range): Remove.
13031 (simplify_cond_and_lookup_avail_expr): Remove.
13032 (extract_range_from_cond): Remove.
13033 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
13034 (simplify_stmt_for_jump_threading): New.
13035 (dom_thread_across_edge): New wrapper.
13036 (tree_ssa_dominator_optimize): No longer initialize or
13037 finalize any of the VRP datastructures. Remove iteration
13038 step and simplify as a result of removal of iteration step.
13039 (pass_dominator): Perform a cfg cleanup after DOM.
13040 (dom_opt_finalize_block): Use the new common routines
13041 for threading jumps. Simplify stack management slightly.
13042 No longer need to unwind VRP state.
13043 (record_equivalences_from_incoming_edge): No longer record
13045 (eliminate_redundant_computations): No longer call
13046 simplify_cond_and_lookup_avail_expr.
13047 * tree-flow.h (potentially_threadable_block): Prototype.
13048 (thread_across_edge): Likewise.
13049 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13050 (tree-ssa-threadedge.o): Add dependencies.
13051 * tree-ssa-threadedge.c: New file.
13052 * passes.c (init_optimization_passes): Merge PHIs before
13053 calling VRP. Run VRP again late in the SSA optimization pipeline.
13055 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13057 * df-core.c (df_set_blocks): Do not dereference function pointers.
13058 (df_finish1): Likewise.
13059 (df_hybrid_search_forward): Likewise.
13060 (df_hybrid_search_backward): Likewise.
13061 (df_iterative_dataflow): Likewise.
13062 (df_analyze_problem): Likewise.
13063 (df_compact_blocks): Likewise.
13064 (df_dump): Likewise.
13065 * df-scan.c (df_rescan_blocks): Likewise.
13066 (df_record_entry_block_defs): Likewise.
13068 * genconditions.c (write_conditions): Guard the definition of
13069 'insn_conditions' with the check on GCC version.
13070 (write_writer): Guard the traversal 'insn_conditions' with
13071 the check on GCC version.
13073 2006-02-07 Richard Guenther <rguenther@suse.de>
13077 2006-01-30 Richard Guenther <rguenther@suse.de>
13079 * gimplify.c (gimplify_target_expr): Handle easy cases
13080 without creating a temporary.
13082 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
13084 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
13085 use of float in probability computations. Use edge probabilities
13086 in place of statically computed probabilities.
13087 (min_spec_prob): New static variable.
13088 (schedule_insns): Initialize it.
13089 (GET_SRC_PROB): Removed.
13090 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
13092 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
13095 * config/ia64/unwind-ia64.c: Revert last change.
13096 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
13097 (INCOMING_FRAME_SP_OFFSET): Define.
13099 2006-02-06 Roger Sayle <roger@eyesopen.com>
13101 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
13103 2006-02-07 Ben Elliston <bje@au.ibm.com>
13105 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
13106 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
13107 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
13108 (ix86_return_in_memory): Handle TDmode.
13109 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
13110 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
13112 2006-02-06 Richard Sandiford <richard@codesourcery.com>
13114 * reorg.c (dbr_schedule): Use dump_file instead of file.
13116 2006-02-06 Steve Ellcey <sje@cup.hp.com>
13119 * config/ia64/predicates.md (extr_len_operand): New predicate.
13120 * config/ia64/ia64.md (extv): Tighten constraints.
13122 (*tbit_and_2): Ditto.
13123 (*tbit_and_3): Ditto.
13124 (*tbit_or_2): Ditto.
13125 (*tbit_or_3): Ditto.
13126 (*bit_zero): Ditto.
13129 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
13132 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13134 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13136 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13137 loop_optimizer_init and loop_optimizer_finalize
13138 * tree-ssa-sink.c (execute_sink_code): Ditto.
13139 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13140 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
13141 tree_ssa_loop_done): Ditto.
13142 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13143 * sched-ebb.c: Include output.h.
13144 (schedule_ebbs): Do not use dump argument.
13145 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
13146 * loop.c (loop_dump_stream): Removed.
13147 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13149 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13150 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13151 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13152 loop_iterations, strength_reduce, record_biv, record_giv,
13153 final_giv_value, check_final_value, check_ext_dependent_givs,
13154 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13155 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13156 dump_file instead of loop_dump_stream.
13157 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13158 argument dump_file.
13159 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13161 * flow.c (life_analysis, rest_of_handle_life): Ditto.
13162 * haifa-sched.c: Include output.h
13163 (schedule_insns, sched_init): Do not use dump argument.
13164 * mode-switching.c (optimize_mode_switching): Ditto.
13165 * modulo-sched.c (stats_file): Removed.
13166 (print_node_sched_params): Do not call argument dump_file.
13167 (sms_schedule_by_order, loop_canon_p, sms_schedule,
13168 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
13170 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13172 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13173 rtl_loop_init, rtl_loop_done): Ditto.
13174 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13175 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13177 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13178 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13179 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13180 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13181 * emit-rtl.c (renumber_insns): Ditto.
13182 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13183 expand_gimple_basic_block, tree_expand_cfg): Ditto.
13184 * regclass.c (regclass): Ditto.
13185 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13186 remove_ssa_form, rewrite_out_of_ssa): Ditto.
13187 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13188 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13190 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13191 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13193 * gcse.c (gcse_file, debug_stderr): Removed.
13194 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13195 rest_of_handle_gcse): Do not use dump argument.
13196 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13197 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13198 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13199 compute_code_hoist_vbeinout, compute_code_hoist_data,
13200 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13201 compute_store_table, build_store_vectors, insert_insn_start_bb,
13202 insert_store, remove_reachable_equiv_notes, replace_store_insn,
13203 store_motion): Use dump_file instead of gcse_file.
13204 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13205 * profile.c (profile_dump_file): Removed.
13206 (branch_prob): Use dump_file instead of profile_dump_file.
13207 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13209 * tree-ssa-copy.c (dump_copy_of): Ditto.
13210 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13211 dump file to life_analysis.
13212 * bt-load.c (branch_target_load_optimize): Ditto.
13213 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13215 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13216 regclass, dbr_schedule): Declaration changed.
13217 * sched-int.h (sched_init): Declaration changed.
13218 * tree-profile.c (tree_profile_dump_file): Removed.
13219 (tree_profile_hooks): Removed profile_dump_file hook.
13220 * rtl-profile (rtl_profile_dump_file): Removed.
13221 (rtl_profile_hooks): emoved profile_dump_file hook.
13222 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13224 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13225 * tree-cfg.c (build_tree_cfg): Ditto.
13226 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13227 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13228 Declaration changed.
13229 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13230 life_analysis and schedule_insns.
13231 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13233 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13235 * config/mips/mips.c (mips_reorg): Ditto.
13236 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13239 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13241 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13242 (s390_mangle_fundamental_type): New.
13243 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13246 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13247 (alpha_mangle_fundamental_type): New.
13248 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13251 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13253 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13255 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13256 (sparc_mangle_fundamental_type): New.
13258 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13260 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13261 (s390x-*-linux*): Likewise.
13262 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13263 * config/s390/t-linux: New file.
13265 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13267 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13268 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13270 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13272 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13273 (ANTIC_SAFE_LOADS): New macro.
13274 (find_or_generate_expression): Add prototype.
13275 (set_contains_value): Allow null set for sake of not always having
13276 to allocate ANTIC_SAFE_LOADS.
13277 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13278 Allow COMPONENT_REF too.
13279 (valid_in_set): Allow COMPONENT_REF.
13280 Check ANTIC_SAFE_LOADS too.
13281 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13282 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13284 (can_PRE_operation): Add COMPONENT_REF.
13285 (create_component_ref_by_pieces): New function.
13286 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13287 (insert_aux): Move AGGREGATE_TYPE_P check here.
13288 (compute_avail): Set bb local stmt uids.
13289 (pass_pre): Use TODO_update_ssa_only_virtuals.
13291 2006-02-06 Ben Elliston <bje@au.ibm.com>
13293 * configure.ac: Unconditionally disable decimal float by default.
13294 * configure: Regenerate.
13296 2006-02-06 Ben Elliston <bje@au.ibm.com>
13298 * read-rtl.c (read_name): Terminate reading on EOF.
13300 2006-02-06 Ben Elliston <bje@au.ibm.com>
13302 * dfp.c (decimal_real_arithmetic): Change second argument type
13303 from int to enum tree_code. Do not always return true, but now
13304 return result of any call to decimal_do helper functions.
13305 * dfp.h (decimal_real_arithmetic): Update prototype.
13307 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
13309 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13311 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
13314 * tree-cfg.c (cleanup_dead_labels): Also don't remove
13317 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13319 * tree-vrp.c (cfg_loops): Removed.
13320 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13321 Use current_loops instead of cfg_loops. Pass flags to
13322 loop_optimizer_init.
13323 * cfgloopmanip.c (fix_loop_structure): Update only available
13325 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13326 loop_optimizer_init.
13327 * modulo-sched.c (build_loops_structure): Removed.
13328 (sms_schedule): Use loop_optimizer_init.
13329 * loop-init.c (loop_optimizer_init): Use flags to determine
13330 which properties of loops to prepare.
13331 (rtl_loop_init): Pass flags to loop_optimizer_init.
13332 * tree-ssa-sink.c (execute_sink_code): Ditto.
13333 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13334 * tree-ssa-pre.c (init_pre): Ditto.
13335 * cfgloop.h (LOOPS_NORMAL): New.
13336 (loop_optimizer_init): Declaration changed.
13338 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13340 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13341 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13343 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13345 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13347 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13348 * pa/t-pa64: Delete quadlib.c rule.
13349 * pa/x-ada: Revert last change.
13350 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13352 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13354 PR rtl-optimization/26087
13355 * rtlanal.c (canonicalize_condition): Do not cross basic block
13358 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13361 * config/ia64/ia64.c: Include debug.h.
13362 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13363 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13364 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13365 (process_epilogue, process_set, process_for_unwind_directive):
13366 Output unwind info only if requested. Add CFA info if requested.
13367 Add new arguments as needed. Adjust callers.
13368 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13370 (DWARF2_FRAME_INFO): Define to zero.
13371 * config/ia64/unwind-ia64.c: Remove code that compensated for
13372 the CFA offset error fixed above.
13373 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13374 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13375 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13376 -funwind-tables and -fexceptions to enable frame info.
13377 (dwarf2out_frame_init): Define initial CFA even if
13378 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13379 DWARF2_UNWIND_INFO is nonzero, not just defined.
13380 (dwarf2out_frame_finish): Output non-EH call frame info only
13381 if DWARF2_FRAME_INFO is nonzero.
13382 (convert_cfa_to_loc_list,
13383 compute_frame_pointer_to_cfa_displacement): Define even if
13384 unwind info is not supported.
13385 (gen_subprogram_die): Use the above unconditionally. Remove
13386 legacy alternate code.
13387 * toplev.c (compile_file): Compile in call to
13388 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13389 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13391 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13392 Jakub Jelinek <jakub@redhat.com>
13394 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13395 IBM extended float format long double as "g" on powerpc*-linux.
13397 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13400 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13401 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13403 2006-02-03 Jason Merrill <jason@redhat.com>
13406 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13408 PR middle-end/25977
13409 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13410 on the return slot if it's an NRV.
13412 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13414 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13415 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13416 rewrite_use): Do not handle USE_OUTER.
13417 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13418 add_iv_outer_candidates, may_replace_final_value,
13419 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13420 (find_interesting_uses_op): Functionality of
13421 find_interesting_uses_outer_or_nonlin moved here.
13422 (find_interesting_uses_outside): Use find_interesting_uses_op.
13424 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13427 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13429 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13430 Ulrich Weigand <uweigand@de.ibm.com>
13433 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13434 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13435 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13436 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13438 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13439 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13440 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13441 Define secondary reloads for TFmode moves.
13442 (constant_modes): Add TFmode.
13443 (NR_C_MODES): Set to 8.
13444 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13446 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13447 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13448 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13449 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13450 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13451 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13452 (FPR mode macro): Add TFmode.
13453 (DSF mode macro): New.
13454 (<de>, <dee> mode attributes): Removed.
13455 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13456 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13457 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13458 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13459 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13460 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13461 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13462 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13463 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13464 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13465 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13466 "*negabs<mode>2", "sqrt<mode>2"):
13467 Changed <de> to <xde>. R constraint replaced by <Rf>.
13468 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13470 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13471 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13472 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13474 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13475 "extenddftf2", "extendsftf2"): New expanders.
13476 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13477 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13478 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13479 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13481 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13482 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13483 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13484 __floatditf): Add a GCC_4.1.0 symbol version tag.
13485 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13488 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13491 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13492 Use targetm.binds_local_p instead of TREE_PUBLIC.
13494 2006-02-02 Roger Sayle <roger@eyesopen.com>
13496 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13497 on INTEGER_TYPEs to indicate that it denotes a character type.
13498 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13499 signed_char_type_node, unsigned_char_type_node and char_type_node.
13500 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13501 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13502 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13504 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13505 Daniel Berlin <dberlin@dberlin.org>
13507 * tree-tailcall.c (arg_needs_copy_p): New function.
13508 (eliminate_tail_call): Use arg_needs_copy_p.
13509 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13510 (add_virtual_phis): New function.
13512 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13514 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13515 #ignore instead of #scratch for %g7 .register directive.
13517 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13519 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13522 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13524 * flow.c (calculate_global_regs_live): Assert that there aren't any
13527 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13529 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13530 what its name says.
13531 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13532 bsi_after_labels iterator.
13533 * tree-if-conv.c (find_phi_replacement_condition,
13534 replace_phi_with_cond_modify_expr): Likewise.
13535 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13536 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13538 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13540 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13542 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13545 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13546 array after growing it.
13548 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13550 PR middle-end/24901
13551 * fold-const.c (fold_checksum_tree): Change type of buf.
13553 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13555 * reload.c (push_secondary_reload): Initialize t_icode.
13557 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13559 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13560 -msoft-float -mlong-double-128 only issue a warning, but don't
13561 swich to DFmode long double.
13563 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13565 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13566 has a constant equivalent, iterate over equivalents for arg0,
13567 calling simplify_relational_operation and if there's a result
13568 cheaper than X, apply fold_rtx and return the result.
13570 2006-02-01 Jan Hubicka <jh@suse.cz>
13572 * opts.c (no_unit_at_a_time_default): New global variable.
13573 (decode_options): Use it.
13574 * opts.h (no_unit_at_a_time_default): Declare.
13576 2006-02-01 Paul Brook <paul@codesourcery.com>
13578 * function.c (assign_parm_setup_reg): Use function argument promotion
13580 * expr.c (expand_expr_real_1): Use function argument promotion rules
13583 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13585 * gcc.c (process_command): Change j to 'unsigned int'.
13587 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13589 PR middle-end/26001
13590 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13591 Use the corrected index for the character
13592 out of the string constant.
13594 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13596 * mode-switching.c (optimize_mode_switching): Fix size
13597 allocated for bb_info[n_entities].
13599 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13601 * gcc.c (main): Correct type that is allocated for
13602 explicit_link_files.
13604 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13606 * config/s390/s390.c (init_alignment_context): Set
13607 ALIAS_SET_MEMORY_BARRIER on the MEM.
13608 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13610 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13612 PR middle-end/25933
13613 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13615 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13618 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13620 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13621 * regrename.c: Ditto.
13622 * tree-ssa-loop-im.c: Ditto.
13623 * tree-dump.c: Ditto.
13624 * tree-complex.c: Ditto.
13625 * genrecog.c: Ditto.
13626 * tree-ssa-threadupdate.c: Ditto.
13628 * java/class.c: Ditto.
13629 * java/jcf-parse.c: Ditto.
13630 * java/resource.c: Ditto.
13631 * java/except.c: Ditto.
13632 * java/jvspec.c: Ditto.
13633 * java/jcf-write.c: Ditto.
13634 * java/jcf-path.c: Ditto.
13635 * java/gjavah.c: Ditto.
13636 * java/zextract.c: Ditto.
13637 * java/jcf-io.c: Ditto.
13638 * java/jcf.h: Ditto.
13639 * java/buffer.c: Ditto.
13640 * java/lang.c: Ditto.
13641 * java/parse-scan.y: Ditto.
13642 * java/lex.c: Ditto.
13643 * java/lex.h: Ditto.
13644 * cfgloopmanip.c: Ditto.
13645 * postreload-gcse.c: Ditto.
13646 * tree-ssa-loop-manip.c: Ditto.
13647 * postreload.c: Ditto.
13648 * tree-ssa-loop-ch.c: Ditto.
13651 * cppspec.c: Ditto.
13652 * diagnostic.c: Ditto.
13654 * genoutput.c: Ditto.
13656 * cfghooks.c: Ditto.
13657 * cfgloopanal.c: Ditto.
13658 * objc/objc-act.c: Ditto.
13660 * genextract.c: Ditto.
13661 * genautomata.c: Ditto.
13662 * pretty-print.c: Ditto.
13663 * genemit.c: Ditto.
13664 * cgraphunit.c: Ditto.
13666 * df-scan.c: Ditto.
13667 * haifa-sched.c: Ditto.
13668 * dominance.c: Ditto.
13670 * tree-ssa-loop-ivopts.c: Ditto.
13671 * df-core.c: Ditto.
13672 * mode-switching.c: Ditto.
13673 * modulo-sched.c: Ditto.
13675 * ipa-pure-const.c: Ditto.
13677 * fix-header.c: Ditto.
13679 * tree-stdarg.c: Ditto.
13680 * ipa-utils.c: Ditto.
13681 * loop-init.c: Ditto.
13682 * ipa-inline.c: Ditto.
13683 * cfganal.c: Ditto.
13685 * alloc-pool.c: Ditto.
13686 * dwarf2out.c: Ditto.
13688 * genattrtab.c: Ditto.
13689 * tree-ssa-loop-ivcanon.c: Ditto.
13690 * predict.c: Ditto.
13691 * timevar.c: Ditto.
13693 * fortran/gfortranspec.c: Ditto.
13694 * regmove.c: Ditto.
13695 * local-alloc.c: Ditto.
13696 * langhooks.c: Ditto.
13697 * function.c: Ditto.
13698 * tree-vectorizer.c: Ditto.
13700 * ipa-type-escape.c: Ditto.
13702 * tree-if-conv.c: Ditto.
13703 * profile.c: Ditto.
13705 * tree-data-ref.c: Ditto.
13706 * loop-unroll.c: Ditto.
13707 * treelang/treetree.c: Ditto.
13709 * bt-load.c: Ditto.
13710 * ggc-common.c: Ditto.
13712 * coverage.c: Ditto.
13714 * tree-cfgcleanup.c: Ditto.
13715 * tree-ssa-pre.c: Ditto.
13716 * cfgcleanup.c: Ditto.
13717 * loop-invariant.c: Ditto.
13718 * loop-iv.c: Ditto.
13719 * ipa-prop.c: Ditto.
13720 * print-tree.c: Ditto.
13721 * conflict.c: Ditto.
13722 * ggc-page.c: Ditto.
13723 * sched-deps.c: Ditto.
13724 * regclass.c: Ditto.
13725 * tree-object-size.c: Ditto.
13726 * combine.c: Ditto.
13727 * bb-reorder.c: Ditto.
13728 * resource.c: Ditto.
13729 * var-tracking.c: Ditto.
13730 * cfgloop.c: Ditto.
13731 * df-problems.c: Ditto.
13732 * reg-stack.c: Ditto.
13734 * gccspec.c: Ditto.
13735 * sched-rgn.c: Ditto.
13736 * tree-ssa-structalias.c: Ditto.
13737 * tree-ssa-reassoc.c: Ditto.
13738 * config/darwin-c.c: Ditto.
13739 * config/darwin.c: Ditto.
13740 * config/arm/arm.c: Ditto.
13742 * collect2.c: Ditto.
13743 * reload1.c: Ditto.
13745 2006-01-31 Nicolas Pitre <nico@cam.org>
13747 * arm.md (smaxsi3): Make aware of smax_m1.
13750 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13752 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13754 2006-01-31 Richard Guenther <rguenther@suse.de>
13756 * doc/invoke.texi (-msselibm): Document.
13757 * target.h (expand_library_builtin): New target hook.
13758 * builtins.c (expand_builtin): Use expand_library_builtin.
13759 (default_expand_library_builtin): New function.
13760 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13761 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13762 (link_gcc_math_spec): Declare.
13763 (static_specs): Add link_gcc_math_spec.
13764 * expr.h (default_expand_library_builtin): Declare.
13765 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13766 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13767 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13768 * config/i386/i386.opt (msselibm): New target option.
13769 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13770 (ix86_init_sse_abi_builtins): New function.
13771 (ix86_expand_library_builtin): Likewise.
13772 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13773 (override_options): Handle error conditions wrt -msselibm.
13774 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13775 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13776 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13779 2006-01-31 Richard Guenther <rguenther@suse.de>
13780 Paolo Bonzini <bonzini@gnu.org>
13782 * doc/install.texi (--disable-libgcc-math): Document.
13784 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13786 * expr.h (expand_normal): new inline function.
13787 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13788 * dojump.c: use it.
13789 * dwarf2out.c: use it.
13792 * expmed.c: use it.
13793 * except.c: use it.
13794 * config/sparc/sparc.c: use it.
13795 * config/i386/i386.c: use it.
13796 * config/rs6000/rs6000.c: use it.
13797 * config/arm/arm.c: use it.
13798 * config/mips/mips.c: use it.
13799 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13801 2006-01-30 Roger Sayle <roger@eyesopen.com>
13803 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13804 argv to the appropriate type.
13806 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13808 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13811 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13814 * config/s390/s390.c (struct machine_function): New flag
13815 decomposed_literal_pool_addresses_ok_p.
13816 (s390_reorg): Set it before final stage of literal pool transforms.
13817 (s390_decompose_address): Only accept displacements of the form
13818 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13820 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13822 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13823 the comparison routine return.
13825 2006-01-30 Michael Matz <matz@suse.de>
13827 * global.c (find_reg): Only evict for global regs.
13828 Take n_refs into account and dump more info.
13830 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13833 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13834 (pragma_trap, pragma_nosave_low_regs): Likewise.
13835 (current_function_anonymous_args): Likewise.
13836 (sh_deferred_function_attributes): New variable.
13837 (sh_deferred_function_attributes_tail): Likewise.
13838 (print_operand): For '@', look up trap_exit attribute.
13839 (calc_live_regs): Look up trapa_handler attribute. For trapa
13840 handlers, save/restore fpscr, but don't do any other
13841 interrupt-specific saves.
13842 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13843 Fix check for partially saved registers to check for SHmedia.
13844 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13845 (sh_output_function_epilogue): Don't clear any of the removed
13847 (sh_insert_attributes): Don't check pragma_interrupt.
13848 Insert deferred attributes. Check that interrupt attribute is
13849 present for other attributes that require its presence.
13850 (sh_attribute_table): Add new attributes trapa_handler and
13852 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13853 Don't check for pragma_interrupt. Don't store argument.
13854 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13855 (sh_deferred_function_attributes): Declare.
13856 (sh_deferred_function_attributes_tail): Likewise.
13857 * sh.md (sp_switch_1): Add operand. Change generator caller.
13858 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13859 (*return_i): Don't use when trap_exit attribute is in effect.
13860 (*return_trapa): New insn pattern.
13861 * sh-c.c: New file.
13862 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13863 setting c_target_objs and cxx_target_objs.
13864 * t-sh: Add rule for sh-c.o.
13866 2006-01-30 Richard Guenther <rguenther@suse.de>
13869 * gimplify.c (gimplify_target_expr): Handle easy cases
13870 without creating a temporary.
13872 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13874 * vec.h (safe_grow): Remove duplicated line.
13876 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13879 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13880 (expand_omp): ... here.
13881 (expand_omp_parallel): Only remove barriers for combined
13882 parallel+workshare constructs.
13884 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13888 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13889 * tree.c (build_qualified_type): Chain the new type to the original
13890 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13891 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13892 (build_pointer_type_for_mode): Only return unqualified types.
13893 (build_reference_type_for_mode): Likewise.
13895 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13897 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13898 * Makefile.in (CXX_COMPAT_WARN): Define.
13899 * configure: Regenerate.
13901 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13904 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13907 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13909 * toplev.c: Fix thinko.
13911 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13912 Marcin Dalecki <martin@dalecki.de>
13914 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13915 (push_srcloc): Use XNEW.
13916 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13918 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13920 * df-core.c (df_set_blocks): Deleted all variable.
13922 2006-01-28 Ian Lance Taylor <ian@airs.com>
13924 * cgraphunit.c (cgraph_assemble_pending_functions): Call
13925 cgraph_output_pending_asms.
13927 2006-01-28 Zack Weinberg <zackw@panix.com>
13929 * c.opt: Add -W(no-)overlength-strings.
13930 * doc/invoke.texi: Document it.
13931 * c-opts.c (c_common_handle_option): -pedantic implies
13932 -Woverlength-strings, if not explicitly disabled already.
13933 (c_common_post_options): -Woverlength-strings defaults to off, and
13934 is always off for C++.
13935 * c-common.c (fix_string_type): Issue warning about strings longer
13936 than is portable only if warn_overlength_strings. Rearrange code
13937 a little for clarity.
13938 * configure.in: Check for -Wno-overlength-strings as well before
13939 enabling -pedantic in stage 1.
13940 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
13941 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
13943 * genconditions.c (write_header, write_one_condition)
13944 (write_conditions, write_writer): Consolidate very long strings
13945 that were broken up to fit in C89 portable limit. Don't use
13946 printf when fputs will do.
13948 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13950 * combine.c (simplify_comparison <AND>): Check
13951 TRULY_NOOP_TRUNCATION before start using a subreg.
13953 * config/mips/mips.md (*branch_zero<mode>,
13954 *branch_zero<mode>_inverted, *branch_equality<mode>,
13955 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13956 Remove mode check from comparisons.
13958 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13960 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13962 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13964 * expmed.c (const_mult_add_overflow_p): Remove.
13965 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13967 * recog.c (validate_replace_rtx_subexp): Remove.
13968 * recog.h: Remove the prototype for
13969 validate_replace_rtx_subexp.
13971 * integrate.h: Remove the prototype for
13972 copy_decl_for_inlining.
13973 * rtl.h: Remove the prototype for mark_constant_function.
13974 * tree-vectorizer.h: Remove the prototype for
13975 vect_strip_conversion.
13977 * modulo-sched.c (create_partial_schedule,
13978 free_partial_schedule, reset_partial_schedule): Make them
13981 * hooks.c (hook_bool_rtx_int_false): Remove.
13982 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13984 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13986 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13987 and -mlong-double-128 are incompatible.
13988 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13989 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13990 (TARGET_LIBGCC2_CFLAGS): Define.
13991 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13992 (TARGET_LIBGCC2_CFLAGS): Same.
13993 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13995 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13998 * c-typeck.c (build_binary_op): Perform implicit casts of
13999 operands before shortening them.
14001 * cfgloopmanip.c (split_loop_bb): Remove.
14002 * cfgloop.h: Remove the prototype for split_loop_bb.
14004 * cfgloop.c (flow_loop_outside_edge_p): Remove.
14005 * cfgloop.h: Remove the prototype for
14006 flow_loop_outside_edge_p.
14008 * emit-rtl.c (init_virtual_regs): Make it static.
14009 * function.h: Remove the prototype for init_virtual_regs.
14011 * recog.c (peephole2_optimize): Make it static.
14012 * recog.h: Remove the prototype for peephole2_optimize.
14014 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14016 * df-scan.c (df_record_entry_block_defs): Check if
14017 INCOMING_RETURN_ADDR_RTX is defined.
14019 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
14020 Kenneth Zadeck <zadeck@naturalbridge.com>
14022 PR rtl-optimization/24762
14023 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14024 * targhooks.c (hook_void_bitmap): New hook prototype.
14025 * targhoohs.h (hook_void_bitmap): Ditto.
14026 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
14027 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
14028 * target.h (live_on_entry): New function pointer.
14029 * df-scan.c (df_all_hard_regs): Removed.
14030 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
14031 (df_scan_free_internal): Added df->entry_block_defs.
14032 (df_scan_alloc): Ditto.
14033 (df_scan_dump): Ditto.
14034 (df_uses_record): Plumbed flag field properly thru calls.
14035 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
14036 This part fixes PR24762.
14037 (df_bb_refs_record): Added code to make the frame and arg
14038 pointers live in EH blocks.
14039 (df_refs_record): Added call to df_record_entry_block_defs.
14040 (df_record_entry_block_defs): New function.
14041 * df-core.c: Added comments to describe new artifical defs.
14042 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
14043 (entry_block_defs): New field in struct df.
14044 (df_all_hard_regs): Deleted.
14045 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14046 * df-problems.c (df_ru_bb_local_compute_process_def):
14047 Added code to handle artifical defs in the entry to a function.
14048 (df_ru_bb_local_compute): Ditto.
14049 (df_rd_bb_local_compute_process_def): Ditto.
14050 (df_rd_bb_local_compute): Ditto.
14051 (df_lr_bb_local_compute): Ditto.
14052 (df_ur_bb_local_compute): Ditto.
14053 (df_urec_bb_local_compute): Ditto.
14054 (df_chain_create_bb): Ditto.
14055 (df_ur_local_finalize): Removed entry.
14056 (df_urec_init): Ditto.
14057 (df_urec_local_finalize): Ditto.
14058 (df_ri_bb_compute): Added detection of last use of pseudos.
14059 * Makefile.in (df-scan.o): Updated dependencies.
14060 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
14061 * config/mips/mips.c (mips_set_live_on_entry): Added.
14062 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
14064 * dce.c (marked_insn_p): Added code to handle artifical defs.
14066 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14068 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14070 (_mm_cvtsi128_si64): Likewise.
14071 (_mm_cvtsd_si64): Likewise.
14072 (_mm_cvttsd_si64): Likewise.
14073 (_mm_cvtsi64_sd): Likewise.
14074 (_mm_cvtsi64_si128): Likewise.
14075 * config/i386/mmintrin.h (_m_from_int64): Likewise.
14076 (_mm_cvtsi64_m64): Likewise.
14077 (_m_to_int64): Likewise.
14078 (_mm_cvtm64_si64): Likewise.
14079 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
14080 (_mm_cvttss_si64): Likewise.
14081 (_mm_cvtsi64_ss): Likewise.
14082 (_mm_cvtss_f32): Likewise.
14084 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
14086 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
14087 for pragma redefine_extname.
14089 2006-01-27 Jakub Jelinek <jakub@redhat.com>
14092 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
14093 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
14094 -mno-minimal-toc to previous content.
14095 (bispecs): Remove goal.
14096 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14097 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
14098 compatibility aliases on powerpc-*-*gnu*.
14099 * config/rs6000/libgcc-ppc-glibc.ver: New file.
14100 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
14101 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
14102 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
14103 (ldblspecs): New goal.
14104 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
14105 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
14107 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
14108 L_sf_to_tf or L_df_to_tf is defined.
14110 2006-01-27 David Edelsohn <edelsohn@gnu.org>
14111 Alan Modra <amodra@bigpond.net.au>
14114 * config/rs6000/linux.h (POWERPC_LINUX): Define.
14115 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
14116 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14117 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14118 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14119 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14120 (rs6000_override_options): Initialize rs6000_ieeequad.
14121 Initialize TFmode format to ibm_extended_format if not
14123 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14125 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14126 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14127 (function_arg_advance): IBM long double passed in two FPRs, not
14129 (function_arg): IBM long double passed in FPRs.
14130 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14131 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14132 Only multireg GPR aligned.
14133 (rs6000_init_libfuncs): Enable IBM long double functions if not
14135 (rs6000_generate_compare): Use IBM long double compare if not
14137 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14138 (TARGET_IEEEQUAD): Define.
14139 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
14140 not TARGET_IEEEQUAD.
14141 * config/rs6000/rs6000.md: Enable TFmode patterns if
14143 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
14144 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14145 and -mlong-double-128 are incompatible.
14146 * doc/invoke.texi (-mabi): Collect options together. Add
14147 ibmlongdouble and ieeelongdouble.
14149 2006-01-27 Richard Sandiford <richard@codesourcery.com>
14151 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14153 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14154 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14155 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14156 * rtl.h (rtunion_def): Remove rt_ptr.
14158 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14159 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14160 * config/i386/winnt.c (i386_pe_mark_dllexport)
14161 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14163 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14165 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14167 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14171 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14172 pthread_key_delete. From John David Anglin. gthrw-ify
14173 pthread_getunique_np only if it it's not a macro. Delete
14175 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14176 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14177 __gthread_objc_condition_signal, __gthread_key_delete): Add
14178 "__attribute__ ((__unused__))" to unused arguments.
14179 (__gthread_recursive_mutex_init_function): Add missing return.
14180 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14181 gthr-posix95.h: Use macro-based approach for name redirection
14182 on targets missing weakref.
14184 2006-01-26 Zack Weinberg <zackw@panix.com>
14186 * genconditions.c (write_header): In generated code, #ifdef out
14187 all includes and fake declarations, except includes of bconfig.h
14188 and system.h, unless GCC_VERSION >= 3001. Do not include
14189 gensupport.h in any case.
14190 (write_conditions): Generate a definition of struct c_test. Add
14191 a comment to the generated #endif.
14192 (write_one_condition): Escape backslashes in string too.
14193 (write_writer): Generated code must escape backslashes and quote
14194 marks (but not newlines) in the strings it writes.
14195 * Makefile.in (build/gencondmd.o): Update dependencies.
14197 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14200 * Makefile.in (insn-automata.o): Add header file dependencies.
14201 * genautomata.c: Add includes.
14203 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14206 * Makefile.in (insn-automata.o): Add -Wno-error flag.
14208 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14210 * configure.ac: Expect target tools paths to be passed from the toplevel
14211 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
14213 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14215 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14218 * c.opt (Wpointer-sign): Init to -1.
14219 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14220 OPT_pedantic, to 0 otherwise.
14221 * doc/invoke.texi: Update.
14223 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14225 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14226 constants provided by 80387 instructions in the destination mode.
14228 2006-01-26 Richard Guenther <rguenther@suse.de>
14229 Andrew Pinski <pinskia@physics.uc.edu>
14232 partial PR tree-opt/17064
14233 * tree-ssa-structalias.c (intra_create_variable_infos):
14234 Create heap variables for incoming parameters if
14235 flag_argument_noalias > 1.
14236 (find_what_p_points_to): Look through default defs of
14239 2006-01-26 Jeff Law <law@redhat.com>
14242 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14243 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14244 within the VR_RANGE, use the VR_RANGE as the result, not the
14246 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14247 bounds for the type.
14249 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14251 * tree-ssa-alias.c (maybe_create_global_var): Change
14252 subvar walking to an assertion that we don't have subvar'd variables.
14254 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14257 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14258 Use a new variable, inner. PARM_DECLs are always non-weak.
14260 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14262 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14263 --disable-checking.
14265 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14267 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14269 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14271 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14272 (smax_insn, smin_insn, smax_0, smin_0): New.
14274 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14277 * config/cris/cris.c (cris_order_for_addsi3): New function.
14278 * config/cris/cris-protos.h: Prototype it.
14279 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14280 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14281 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14282 (split for "op.S1 [rx=rx+i],ry (swapped)")
14283 (split for "op(s|u).S1 [rx=rx+i],ry")
14284 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14285 Apply cris_order_for_addsi3 when generating addsi3 insns.
14287 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14289 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14290 (TREE_BLOCK): Add call to EXPR_CHECK.
14292 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14295 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14296 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14297 (dump_omp_clauses): ... here.
14298 (dump_generic_node): Handle OMP_CLAUSE.
14299 * tree.c (omp_clause_num_ops): New.
14300 (omp_clause_code_name): New.
14301 (tree_code_size): Handle OMP_CLAUSE.
14302 (tree_size): Likewise.
14303 (make_node): Document handling of OMP_CLAUSE.
14304 (tree_node_structure): Handle OMP_CLAUSE.
14305 (omp_clause_check_failed): New.
14306 (omp_clause_range_check_failed): New.
14307 (omp_clause_operand_check_failed): New.
14308 (build_omp_clause): New.
14309 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14310 * tree.h (enum omp_clause_code): Declare.
14311 (OMP_CLAUSE_SUBCODE_CHECK): Define.
14312 (OMP_CLAUSE_RANGE_CHECK): Define.
14313 (OMP_CLAUSE_ELT_CHECK): Define.
14314 (omp_clause_check_failed): Declare.
14315 (omp_clause_operand_check_failed): Declare.
14316 (omp_clause_range_check_failed): Declare.
14317 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14318 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14319 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14320 (OMP_CLAUSE_LASTPRIVATE): Likewise.
14321 (OMP_CLAUSE_IF_EXPR): Likewise.
14322 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14323 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14324 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14325 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14326 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14327 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14328 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14329 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14330 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14331 (OMP_CLAUSE_CODE): Define.
14332 (OMP_CLAUSE_SET_CODE): Define.
14333 (OMP_CLAUSE_CODE): Define.
14334 (OMP_CLAUSE_OPERAND): Define.
14335 (struct tree_omp_clause): Declare.
14336 (union tree_node): Add field 'omp_clause'.
14337 * treestruct.def (TS_OMP_CLAUSE): Define.
14338 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14339 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14340 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14341 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14342 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14343 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14344 (OMP_CLAUSE): Define.
14345 * print-tree.c (print_node): Handle OMP_CLAUSE.
14346 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14347 * c-typeck.c: Likewise.
14348 * gimplify.c: Likewise.
14349 * c-omp.c: Likewise.
14350 * tree-nested.c: Likewise.
14351 * tree-inline.c: Likewise.
14352 * c-parser.c: Likewise.
14353 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14356 2006-01-25 Roger Sayle <roger@eyesopen.com>
14358 PR rtl-optimization/25703
14359 * combine.c (try_combine): Handle zero_extract and strict_low_part
14360 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14362 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14364 * global.c: Fix comment typos.
14366 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14369 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14370 Use output_addr_const instead of assemble_name.
14372 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14374 * Makefile.in (sched-vis.o): Update dependencies.
14375 * haifa-sched.c (sched_finish): Clear current_sched_info.
14376 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14377 (dump_flow_info): Call it.
14378 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14380 * basic-block.h (dump_bb_info): Declare.
14381 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14382 option, and apply options only for dump files whose TDF_RTL,
14383 TDF_TREE, or TDF_IPA bits match.
14384 * rtl.h: Declare new functions exported from sched-vis.c.
14385 * sched-vis.c: Enable also if scheduling is not used.
14386 (print_value): Print the mode of registers if not inside scheduling.
14387 (print_insn): Make it work outside the scheduler. Beautify the output
14389 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14391 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14393 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14394 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14395 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14396 depending on the value of CONSTANT_POOL_ADDRESS_P.
14397 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14399 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14400 rather than SYMBOL_REF_DECL.
14401 (rtx_constant_pool): Remove const_rtx_sym_htab.
14402 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14403 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14404 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14405 Remove handling of const_rtx_sym_htab.
14406 (find_pool_constant): Delete.
14407 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14408 rather than find_pool_constant.
14409 (get_pool_constant_for_function): Delete.
14410 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14411 find_pool_constant.
14412 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14413 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14414 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14415 (SYMBOL_REF_CONSTANT): New macro.
14416 (get_pool_constant_for_function): Delete.
14417 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14418 rather than SYMBOL_REF_DECL.
14419 (i386_pe_mark_dllimport): Likewise.
14420 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14421 rather than SYMBOL_REF_DECL.
14422 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14423 (machopic_indirect_call_target): Likewise.
14425 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14427 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14429 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14431 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14433 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14435 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14437 2006-01-24 David Daney <ddaney@avtrex.com>
14440 * configure.ac (enable_tls): New enable option.
14441 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14442 * configure: Regenerate.
14443 * doc/install.texi (--enable-tls): Document new option.
14444 (--disable-tls): Ditto.
14446 2006-01-24 Richard Henderson <rth@redehat.com>
14448 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14449 * alias.c (true_dependence): Respect it.
14450 (canon_true_dependence, write_dependence_p): Likewise.
14451 * builtins.c (get_builtin_sync_mem): Set it.
14453 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14455 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14458 2006-01-24 DJ Delorie <dj@redhat.com>
14460 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14461 for storing constants in single-bit bitfields.
14463 2006-01-25 Ben Elliston <bje@au.ibm.com>
14465 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14467 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14470 * tree-ssa-pre.c (phi_translate): Return NULL
14471 for AGGREGATE_TYPE's.
14473 2006-01-24 Zack Weinberg <zackw@panix.com>
14475 * genautomata.c (process_state_for_insn_equiv_partition):
14476 Use xcalloc for insn_arcs_array.
14477 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14478 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14480 2006-01-24 Richard Henderson <rth@redhat.com>
14482 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14483 update all callers.
14485 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14487 PR rtl-optimization/25890
14488 PR rtl-optimization/25905
14489 * combine.c (expand_compound_operation, expand_field_assignment):
14490 Fail if the bitfield's final position is out of bounds.
14492 2006-01-24 Ian Lance Taylor <ian@airs.com>
14494 PR middle-end/25930
14495 * cgraphunit.c (cgraph_output_in_order): Don't clear
14496 cgraph_asm_nodes until after asm strings have been output.
14498 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14500 * fix-header.c (read_scan_file): Add new parameter imultilib when
14501 calling register_include_chains.
14503 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14505 * omp-low.c: Update documentation.
14507 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14508 Daniel Berlin <dberlin@dberlin.org>
14512 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14513 return from the function.
14515 2006-01-22 Zack Weinberg <zackw@panix.com>
14517 * rtl.def (match_code): Add second argument.
14518 * genpreds.c (write_extract_subexp): New function.
14519 (write_match_code): Add path argument. Use write_extract_subexp.
14520 (write_predicate_expr): Pass path to write_match_code.
14521 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14522 not perform a mode test.
14523 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14524 a subexpression does not constrain the top-level code set.
14525 * read-rtl.c (read_rtx_variadic): New function.
14526 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14527 * doc/md.texi: Document new notation.
14528 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14529 (cmpsi_operand): ... here, using new notation.
14531 2006-01-22 Zack Weinberg <zackw@panix.com>
14533 * varray.c: Remove GENERATOR_FILE #ifdefs.
14535 2006-01-22 Zack Weinberg <zackw@panix.com>
14537 * genautomata.c (output_reserved_units_table): Emit nothing if
14538 description->query_units_num is zero. Remove extra blank line.
14539 (output_cpu_unit_reservation_p): Short circuit
14540 if description->query_units_num is zero.
14542 2006-01-22 Zack Weinberg <zackw@panix.com>
14544 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14545 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14546 nor any of the random handful of variables that used to be necessary
14547 when this program was linked with rtlanal.o. Prune set of forward
14548 function declarations.
14549 (struct attr_desc): Remove static_p field.
14550 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14551 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14552 (attr_string): Do not read the character one past the length of
14554 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14555 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14556 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14557 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14558 (make_automaton_attrs): New.
14559 (main): Do not call into genautomata. Call local gen_bypass
14560 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14561 Remove special case for insn_alts.
14562 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14563 varray.h (leftover from previous change). Prune set of forward
14564 function declarations. Remove state_alts fields from all
14565 structures. Remove state_alts_table from struct automaton.
14566 Make everything except main static. Do not maintain num_dfa_decls.
14567 Do not maintain state_alts fields of various structures.
14568 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14569 (add_arc): Remove state_alts argument. All callers updated.
14570 (output_reserved_units_table): Emit #ifdef here...
14571 (output_tables): ...not here. Don't generate state_alts tables.
14572 (expand_automata): Don't generate attributes.
14573 (write_automata): Don't generate state_alts functions.
14574 (main): New function.
14575 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14576 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14577 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14578 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14579 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14580 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14581 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14582 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14584 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14585 * genattrtab.h: Delete file.
14586 * Makefile.in (OBJS-common): Add insn-automata.o.
14587 (insn-automata.o): New rule.
14588 (simple_generated_c): Add insn-automata.c.
14589 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14590 (genprogmd): Add automata.
14591 (build/genattrtab): Needs no extra objects nor libraries.
14592 (build/genautomata): Needs build/vec.o and -lm.
14594 2006-01-22 Zack Weinberg <zackw@panix.com>
14596 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14597 (output_dfa_max_issue_rate, locked_states_num): Delete.
14598 (struct automaton): Add locked_states field.
14599 (output_dead_lock_vect): Save number of locked states in
14600 automaton->locked_states. If it is zero, don't print anything.
14601 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14602 (output_internal_dead_lock_func): Only test the dead_lock_vect
14603 for automata that have locked states.
14604 (output_statistics): Always print the number of locked states for
14605 each automaton. Calculate total number of locked states here.
14606 (write_automata): Don't call output_dfa_max_issue_rate.
14607 * genattrtab.c: Define length_unit_log as a const variable.
14608 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14609 max_insn_queue_index const.
14610 * final.c (length_unit_log): Declare const.
14611 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14613 2006-01-22 Zack Weinberg <zackw@panix.com>
14615 * genautomata.c: Include vec.h, not varray.h.
14616 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14617 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14618 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14619 VEC_* macros operating on appropriately typed vectors, or to
14620 malloced arrays when the size is known in advance. Const-ify
14621 many char* variables and function arguments. No functional changes.
14622 * Makefile.in (build/varray.o): Delete rule.
14623 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14624 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14626 2006-01-22 Zack Weinberg <zackw@panix.com>
14628 * gensupport.c: Define get_insn_name and record_insn_name here.
14629 (read_md_rtx): Call record_insn_name as appropriate.
14630 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14631 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14632 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14634 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14635 (BUILD_VARRAY): Delete.
14636 (genprognormal): Rename genprogmd. Fold in all programs from
14637 genprognoprint; also attrtab.
14638 (build/genattrtab): Just mention genautomata.o and varray.o.
14639 Reorganize a bit, add comments to make the categories clearer.
14641 2006-01-22 Zack Weinberg <zackw@panix.com>
14643 * genconditions.c (condition_table, add_condition): Delete.
14644 (write_conditions): Don't emit n_insn_conditions nor
14645 insn_elision_unavailable. Issue the gcc version #ifdef here,
14646 inside the table, with no #else clause ...
14647 (write_header): ...not here.
14648 (write_writer): New function.
14649 (main): Don't initialize condition_table. Use add_c_test.
14651 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14652 files on the command line.
14653 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14654 Return -1 if there is no entry in the table, don't abort.
14655 (add_c_test, traverse_c_tests): New functions.
14656 * gensupport.h (insn_elision_unavailable, insn_conditions)
14657 (n_insn_conditions): Delete declarations.
14658 (add_c_test, traverse_c_tests): Declare.
14659 * read-rtl.c: Include gensupport.h.
14660 (read_conditions): New function.
14661 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14662 (read_rtx_1): If we get EOF when we were looking for an initial
14663 open paren, return 0. Call read_conditions when appropriate.
14664 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14665 dummy-conditions.o. Eliminate references to insn-conditions.o,
14666 or change them to build/gencondmd.o, as appropriate. Remove
14667 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14668 from $(simple_generated_c). For all files remaining in those
14669 two lists, add insn-conditions.md to the generator command line.
14670 Give insn-constants.h/s-constants their own rules. Add rules
14671 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14672 (build/read-rtl.o): Depend on gensupport.h.
14673 (genprognormal): Include preds.
14674 (genprogearly): Rename genprognoprint; only difference is now that
14675 they don't link with $(BUILD_PRINT).
14676 * dummy-conditions.c: Delete.
14678 2006-01-22 Zack Weinberg <zackw@panix.com>
14680 * genextract.c: Don't include insn-config.h. Do include vec.h.
14681 Declare vectors of int, char, and locstr.
14682 (locstr): New typedef.
14683 (struct extraction): Make all array fields into bare pointers.
14684 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14685 (insn_code_number): Delete.
14686 (accum_extract): New struct.
14687 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14688 (gen_insn): Take insn_code_number as an argument. Use an
14689 accum_extract structure instead of loading data directly into
14690 a struct extraction, and having to know how big it might get.
14691 (walk_rtx): Operate entirely on an accum_extract structure.
14692 (print_path): Avoid unnecessary use of printf.
14693 (print_header): New function, split out of main. Distinguish
14694 more carefully between an unrecognizable insn and an insn that
14695 has the code number of a define_expand.
14696 (main): Pass insn_code_number to gen_insn. Call print_header
14697 only after parsing. Avoid unnecessary use of printf.
14698 * Makefile.in (build/vec.o): New rule.
14699 (build/genextract): Depend on build/vec.o.
14700 (build/genextract.o): Don't depend on insn-config.h.
14702 2006-01-22 Zack Weinberg <zackw@panix.com>
14704 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14705 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14706 practical. Eliminate per-generator-program link rules.
14708 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14710 PR middle-end/24437
14711 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14712 with a call expr to ...
14713 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14715 2006-01-23 Richard Guenther <rguenther@suse.de>
14717 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14718 before make_edge with conditional EDGE_TRUE_VALUE.
14720 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14721 Jan Hubicka <jh@suse.cz>
14722 Richard Guenther <rguenther@suse.de>
14724 PR rtl-optimization/25654
14725 * cfgexpand.c (aggregate_contains_union_type): New function.
14726 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14727 for structure variables that contain a union type.
14729 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14731 * gengtype.c (new_structure): Return the structure.
14732 (create_option): Add an extra "next" argument.
14733 (create_field): New function.
14734 (adjust_field_rtx_def): Use create_option and create_field.
14735 Remove a now-unnecessary call to find_structure.
14736 (adjust_field_tree_def): Likewise.
14737 (note_yacc_type): Remove an unnecessary call to find_structure.
14738 * gengtype.h (new_structure): Return the structure.
14739 (create_option): Add an extra argument.
14740 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14741 (option): Adjust calls to create_option.
14743 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14745 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14747 2006-01-22 Paul Brook <paul@codesourcery.com>
14748 Peter Barada <peter@the-baradas.com>
14750 * config/m68k/m68k.md: Add Coldfire FPU support.
14751 Define FP mode macro and associated attributes.
14752 Use it for float mode patterns.
14753 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14754 (LIBCALL_VALUE): Use m68k_libcall_value.
14755 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14756 (m68k_function_value): Ditto.
14757 (emit_move_sequence): Ditto.
14758 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14759 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14760 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14761 (MULTILIB_EXCEPTIONS): Ditto.
14762 * config/m68k/m68k.opt: Add mcfv4e.
14763 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14764 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14765 (m68k_output_function_prologue): Save ColdFire FPU registers.
14766 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14767 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14768 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14769 ColdFire FPU registers.
14770 (m68k_libcall_value, m68k_function_value): New functions.
14771 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14772 (LIBCALL_VALUE): Use m68k_libcall_value.
14773 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14774 (MASK_COLDFIRE): Add MASK_CFV4E.
14775 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14776 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14777 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14778 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14779 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14780 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14781 * doc/invoke.tex: Document -mcfv4e on m68k.
14783 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14785 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14788 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14791 * c-opts.c (c_common_handle_option): Don't include
14792 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14793 * doc/invoke.texi (C++ Dialect Options): Document that
14794 -Wnon-virtual-dtor is no longer included in -Wall.
14796 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14798 * gcov.c (print_version), gcov-dump.c (print_version),
14799 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14802 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14804 * df-scan.c (problem_SCAN): Added NULL reset function.
14805 (df_scan_reset_blocks): Added code to call reset block function
14806 (df_bb_refs_delete) Fixed comment.
14807 (df_insn_refs_delete): Made tolerant of deleting non existent info
14808 for dataflow problems that need to be reset.
14809 * df-core.c (df_set_blocks): Ditto.
14810 * df.h (struct df_problem): Added reset_fun.
14811 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14812 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14813 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14814 functions to clear out all references to def-use or use-def chains.
14816 2006-01-21 Ben Elliston <bje@au.ibm.com>
14818 * varasm.c (assemble_real): Initialise data array.
14820 2006-01-20 Paul Brook <paul@codesourcery.com>
14822 Merge from csl-arm-branch.
14823 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14824 * config/arm/arm.md (movdi): Force operands[1] to a register
14825 if we have a non-register source.
14826 (*arm_movdi, *movdf_soft_insn): Require that one of the
14827 operands be a register.
14828 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14829 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14831 2006-01-20 DJ Delorie <dj@redhat.com>
14833 * varasm.c (initializer_constant_valid_p): Allow pointers
14834 initialized from integer constants of lesser precision.
14835 (output_constant): Allow non-int-sized pointer modes to be
14836 initialized from integer constants.
14838 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14841 * cppdefault.h (struct default_include): Add multilib flag.
14842 * cppdefault.c (cpp_include_defaults): Set it.
14843 * c.opt (-imultilib): New option.
14844 * c-opts.c (imultilib): New.
14845 (c_common_handle_option): Handle -imultilib.
14846 (c_common_post_options): Likewise.
14847 * c-incpath.c (add_standard_paths, register_include_chains):
14849 * c-incpath.h (register_include_chains): Add extra parameter.
14850 * gcc.c (do_spec_1): Generate -imultilib option.
14851 (The Specs Language): Update %I description.
14852 (process_command): Update copyright notice.
14853 * doc/cppopts.texi (-imultilib): Document.
14854 * doc/invoke.texi (-imultilib): Include in option summary.
14855 (%I): Update specs documentation.
14857 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14859 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14861 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14863 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14866 2006-01-20 Richard Guenther <rguenther@suse.de>
14867 Steven Bosscher <stevenb.gcc@gmail.com>
14869 PR rtl-optimization/24626
14870 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14871 EDGE_TRUE_VALUE if in RTL mode.
14874 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14875 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14877 2006-01-20 Dirk Mueller <dmueller@suse.com>
14880 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14881 instead of a special NOP marker.
14882 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14883 NOP marker handling.
14884 * c-common.h (empty_body_warning): Add forward declaration.
14885 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14886 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14888 2006-01-20 Paul Brook <paul@codesourcery.com>
14890 * Makefile.in (lang_checks): Keep going if mkdir fails.
14892 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14894 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14895 be able to clean out basic block when not necessary.
14896 (df_scan_free): Fixed to properly delete information if df is
14897 unused before calling df_finish.
14898 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14899 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14901 (df_bb_refs_delete): New function.
14902 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14903 * df-core.c (df_set_blocks): Added code to properly clean out
14904 unused blocks if they are not part of the blocks to consider.
14905 Added additional null check.
14906 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14907 be able to clean out basic block when not necessary
14908 * df.h (df_free_bb_function): Ditto.
14909 (df_bb_refs_delete): New function.
14910 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14911 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14912 basic block parameter to be able to clean out basic block when not
14914 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14915 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14916 Fixed to properly delete information if df is unused before
14919 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14921 PR rtl-optimization/25799
14922 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14923 Corrected confluence operator to remove bits from op2 before oring
14924 with op1 rather than removing bits from op1.
14925 (df_ru_transfer_function): Corrected test on wrong bitmap which
14926 caused infinite loop. Both of these problems were introduced in
14927 the dataflow rewrite.
14929 2006-01-19 DJ Delorie <dj@redhat.com>
14931 * reload1.c (find_reload_regs): Note the details of reload
14932 failures in the dump file.
14933 (spill_failure): Likewise.
14935 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14937 * loop-iv.c: Include df.h and hashtab.h.
14938 (enum iv_grd_result): New enum.
14939 (DF_REF_IV, DF_REF_IV_SET): New macros.
14940 (struct biv_entry): New.
14941 (df, bivs): New global variables.
14942 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
14943 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
14945 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
14946 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
14947 analyzed_for_bivness_p, record_biv): New functions.
14948 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14949 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14950 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14952 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14954 (iv_number_of_iterations): Use new interface to iv analysis.
14955 * loop-unroll.c: Do not include varray.h.
14956 (analyze_iv_to_split_insn): Use new interface to iv
14958 * loop-unswitch.c (may_unswitch_on): Ditto.
14959 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14961 (df_bb_modify): Realloc tables to the new index.
14962 (df_find_use): New function.
14963 * df.h (df_find_use): Declare.
14964 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14966 * cfgloop.h (struct rtx_iv): Remove analysed field.
14967 (iv_get_reaching_def): Removed.
14968 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14969 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14970 (loop-iv.o): Add df.h and hashtab.h dependency.
14971 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14973 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14976 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14978 (__floatundisf, __floatundidf): Likewise.
14979 * libgcc2.h (IS_IBM_EXTENDED): Define.
14981 2006-01-19 DJ Delorie <dj@redhat.com>
14983 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14985 2006-01-19 Paul Brook <paul@codesourcery.com>
14987 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14988 as nothrow when unwinding tables are disabled.
14990 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14993 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14994 of bit-field" when in system header.
14996 2006-01-19 DJ Delorie <dj@redhat.com>
14998 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14999 the 16 bit shift limit of the m16c.
15001 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
15004 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
15005 * config/i386/i386.c (output_set_got): Output the label if we have one
15006 for the TARGET_DEEP_BRANCH_PREDICTION case.
15008 2006-01-19 Jan Hubicka <jh@suse.cz>
15009 H.J. Lu <hongjiu.lu@intel.com>
15010 Evandro Menezes <evandro.menezes@amd.com>
15012 * invoke.texi (generic): Document
15014 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
15015 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
15016 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
15017 (x86_use_incdec, x86_pad_returns): New variables
15018 (TARGET_CPU_DEFAULT_generic): New constant
15019 (TARGET_CPU_DEFAULT_NAMES): Add generic.
15020 (enum processor_type): Add generic32 and generic64.
15021 * i386.md (cpu attribute): Add generic32/generic64
15022 (movhi splitter): Behave sanely when both partial_reg_dependency and
15023 partial_reg_stall are set.
15024 (K8 splitters): Enable for generic as well.
15025 * predicates.md (incdec_operand): Use TARGET_INCDEC
15026 (aligned_operand): Avoid memory mismatch stalls.
15027 * athlon.md: Enable for generic64, new patterns for 128bit moves.
15028 * ppro.md: Enable for generic32
15029 * i386.c (generic64_cost, generic32_cost): New.
15030 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
15031 (x86_use_leave): Enable for generic64. (x86_use_sahf,
15032 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
15033 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
15034 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
15035 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
15036 x86_partial_reg_dependency, x86_memory_mismatch_stall,
15037 x86_accumulate_outgoing_args, x86_prologue_using_move,
15038 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
15039 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
15040 Enable for generic.
15041 (x86_use_incdec, x86_pad_returns): New.
15042 (override_options): Add generic32 and generic64, translate "generic"
15043 to generic32/generic64 and "i686" to "generic32", refuse
15044 "generic32"/"generic64" as arch target.
15045 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
15046 (ix86_reorg): Honor PAD_RETURNS.
15048 2006-01-19 Diego Novillo <dnovillo@redhat.com>
15050 * tree-pretty-print.c (dump_generic_node): Handle
15051 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15052 * cgraph.c (cgraph_expand_queue): Rename from
15053 cgraph_analyze_queue. Update all users.
15054 * cgraphunit.c (cgraph_assemble_pending_functions): Process
15055 cgraph_expand_queue.
15056 (cgraph_expand_all_functions): Likewise.
15057 (cgraph_finalize_pending_functions): Remove. Update callers.
15059 * tree.h (OMP_DIRECTIVE_P): Define.
15060 (OMP_PARALLEL_FN): Define.
15061 (OMP_PARALLEL_DATA_ARG): Define.
15062 (OMP_SECTIONS_SECTIONS): Define.
15063 * tree-pass.h (pass_expand_omp): Declare.
15064 * omp-low.c (struct omp_region): Declare.
15065 (struct omp_context): Remove fields 'parallel_type',
15066 'parallel_start_ix' and 'parallel_start_additional_args'.
15068 (struct omp_for_data): Rename from struct expand_omp_for_data.
15069 (omp_regions): New static variable.
15070 (root_omp_region): New static variable.
15071 (find_omp_clause): Make static.
15072 (is_in_combined_parallel_ctx): Remove.
15073 (is_combined_parallel): New.
15074 (extract_omp_for_data): Move earlier in the file.
15075 (workshare_safe_to_combine_p): New.
15076 (get_ws_args_for): New.
15077 (determine_parallel_type): Move earlier in the file.
15078 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
15080 (omp_copy_decl): Likewise.
15081 (create_omp_child_function): Likewise.
15082 (lookup_omp_region): New.
15083 (dump_omp_region): New.
15084 (debug_omp_region): New.
15085 (debug_all_omp_regions): New.
15086 (new_omp_region): New.
15087 (scan_omp_parallel): If parallel_nesting_level > 1, the
15088 directive is nested within another parallel directive.
15089 Set OMP_PARALLEL_FN.
15090 (scan_omp_for): Do not try to handle combined parallel+for
15092 Remove FIXME comment.
15093 (scan_omp_nested): Remove.
15094 (scan_omp_1): Do not call scan_omp_nested when
15095 parallel_nesting_level is > 1.
15096 Do not change the DECL_CONTEXT of local variables found.
15097 (lookup_decl_in_outer_ctx): New.
15098 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
15099 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
15100 (lower_reduction_clauses): Rename from expand_reduction_clauses.
15101 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
15102 If CTX is nested, lookup VAR in the outer context when
15103 building copy assignment.
15104 (lower_send_clauses): Rename from expand_send_clauses.
15105 If CTX is nested, lookup VAR in the outer context when
15106 building copy assignments.
15107 (lower_send_shared_vars): Rename from expand_send_shared_vars.
15108 If CTX is nested, lookup VAR in the outer context when
15109 building copy assignments.
15110 (expand_parallel_call): Rename from build_parallel_call.
15111 Handle combined parallel+workshare cases.
15112 Re-implement to emit code into the CFG.
15114 (expand_omp_parallel): Re-implement to emit code into the CFG.
15115 Call move_sese_region_to_fn to outline the sub-graph
15116 containing the parallel region.
15117 (expand_omp_for_1): Remove.
15118 (expand_omp_for_generic): Re-implement to emit code into the
15120 (expand_omp_for_static_nochunk): Likewise.
15121 (expand_omp_for_static_chunk): Likewise.
15122 (expand_omp_for): Likewise.
15123 (expand_omp_sections): Likewise.
15124 (remove_exit_barriers): New.
15125 (expand_omp_synch): New.
15127 (build_omp_regions_1): New.
15128 (build_omp_regions): New.
15129 (execute_expand_omp): New.
15130 (gate_expand_omp): New.
15131 (pass_expand_omp): Define.
15132 (lower_omp_sections): Rename from expand_omp_sections.
15133 Set OMP_SECTIONS_SECTIONS.
15134 (lower_omp_single_simple): Rename from expand_omp_single_simple.
15135 (lower_omp_single_copy): Rename from expand_omp_single_copy.
15136 (lower_omp_single): Rename from expand_omp_simple.
15137 (lower_omp_master): Rename from expand_omp_master.
15138 (lower_omp_ordered): Rename from expand_omp_ordered.
15139 (lower_omp_critical): Rename from expand_omp_critical.
15140 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
15141 (lower_omp_for): Re-implement.
15142 (lower_omp_parallel): Re-implement.
15143 (lower_regimplify): Rename from expand_regimplify.
15144 (lower_omp_1): Rename from expand_omp_1.
15145 If there are syntax errors in the program, replace every
15146 OpenMP directive with NOP.
15147 Call lower_omp_* instead of expand_omp_*.
15148 (lower_omp): Rename from expand_omp.
15150 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15151 * tree-gimple.h (enum omp_parallel_type): Remove.
15152 (gimple_boolify): Declare extern.
15153 (find_omp_clause, determine_parallel_type): Remove.
15155 * gimple-low.c (lower_omp_directive): New.
15156 (lower_stmt): Call it.
15157 (record_vars_into): Move from ...
15158 (record_vars): ... here.
15159 Call record_vars_into with current_function_decl.
15161 * gimplify.c (struct gimplify_ctx): Remove fields
15162 combined_pre_p and combined_ctxp. Update users.
15163 (get_formal_tmp_var): Add documentation.
15164 (gimple_boolify): Make extern.
15165 (gimplify_expr_in_ctx): Remove. Update callers.
15166 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15167 will always be a BIND_EXPR.
15168 (gimplify_expr): Handle OMP_RETURN_EXPR.
15169 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15170 (OMP_PARALLEL): Add 3 operands.
15171 (OMP_SECTIONS): Add 1 operand.
15172 (OMP_RETURN_EXPR): Define.
15174 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15175 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15176 * tree-iterator.c (alloc_stmt_list): Assert that we are not
15177 creating a circular free list.
15178 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15180 * tree-flow.h (move_sese_region_to_fn): Declare.
15181 (record_vars_into): Declare.
15182 * tree-cfg.c (make_omp_sections_edges): New.
15183 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15184 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15185 OMP_SECTIONS and OMP_SECTION.
15186 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15187 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15188 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15189 (gather_blocks_in_sese_region): New.
15190 (struct move_stmt_d): Declare.
15191 (move_stmt_r): New.
15192 (move_block_to_fn): New.
15193 (move_sese_region_to_fn): New.
15195 * passes.c (init_optimization_passes): Schedule
15196 pass_expand_omp after pass_init_datastructures.
15198 * tree-ssa-operands.c (get_expr_operands): Handle
15199 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15200 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15202 2006-01-19 Jeff Law <law@redhat.com>
15204 * tree-vrp.c (extract_range_from_assert): Refine the result range
15205 if the variable referenced by the ASSERT_EXPR has a range and
15206 either the tentative result range or the previous range is a
15209 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15211 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15213 2006-01-19 Jan Hubicka <jh@suse.cz>
15215 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15217 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
15219 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15220 (expand_compound_operation, expand_field_assignment): Fail if the
15221 bit lengths of an extract operation are out of range.
15222 (make_extraction): Compute wanted_inner_mode based on the position
15223 and length of the extraction. Make it extraction_mode for non-constant
15224 positions, and do not modify offset in that case. When generating a
15225 new MEM, use a mode that can hold the extraction while keeping correct
15226 alignment. Remove code that supported MEMs wrapped by USEs.
15227 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15229 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
15231 * config/s390/s390.md ("Y", "y"): New mode attribute.
15232 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15233 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15234 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15235 "*addsi3_imm_cc", "*addsi3_carry1_cc",
15236 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15237 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15238 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15239 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15240 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15241 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15242 "addsi3", "subsi3"): Insn patterns removed.
15243 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15244 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15245 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15246 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15247 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15248 "*sub<mode>3_cconly2"): New insn patterns.
15249 ("addsi3", "subsi3"): New expanders.
15251 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15253 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15254 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15255 existing STMT_VINFO_VECTYPE if available.
15256 (vect_mark_relevant): Add special handling for stmts that are
15257 marked as STMT_VINFO_IN_PATTERN_P.
15258 (vect_analyze_loop): Call vect_pattern_recog.
15259 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15260 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15262 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15263 (vect_recog_func_ptr): New function-pointer type.
15264 * tree-vect-patterns.c: New file.
15265 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15266 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15267 (vect_pattern_recog_1): New functions.
15268 (vect_pattern_recog_funcs): New array of function pointers.
15270 * tree-vectorizer.h (ternary_op): New enum value.
15271 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15272 declaration. Revised documentation. Removed redundant dump prints.
15273 Removed redundant argument. Added support for reduction patterns.
15274 (vectorizable_reduction): Added support for reduction patterns.
15275 (vect_transform_stmt): Added support for patterns.
15277 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15278 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15279 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15280 (expand_widen_pattern_expr): New function.
15281 (init_optabs): Initialize new optabs udot_prod_optab,
15283 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15284 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15285 (expand_widen_pattern_expr): New function declaration.
15286 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15288 * tree-inline.c (estimate_num_insns_1): Added cases for new
15289 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15290 * tree-pretty-print.c (dump_generic_node): Likewise.
15291 (op_prio): Likewise.
15292 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15293 * tree-ssa-operands.c (get_expr_operands): Added case for
15295 * tree-vect-patterns.c (widened_name_p): New function.
15296 (vect_recog_dot_prod_pattern): Added function implementation.
15297 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15298 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15299 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15300 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15302 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15303 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15304 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15305 (init_optabs): Initialize new optabs widen_ssum_optab,
15307 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15308 (widen_ssum_optab, widen_usum_optab): Define new optabs.
15309 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15310 use instead of type of def.
15311 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15312 function implementation.
15313 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15314 widen_ssumv8hi): New.
15316 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15319 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15322 * c-decl.c (add_flexible_array_elts_to_size): New function.
15323 (finish_decl): Use it.
15325 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
15327 * diagnostic.h: Include options.h.
15328 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15329 dependancies for diagnostic.h.
15330 * Makefile.in (DIAGNOSTIC_H): Add options.h.
15332 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
15334 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15335 (ssa_ro_call_cache_valid): Ditto.
15336 * tree-ssa-alias.c (sort_tags_by_id): New function.
15337 (init_transitive_clobber_worklist): Ditto.
15338 (add_to_worklist): Ditto.
15339 (mark_aliases_call_clobbered): Ditto.
15340 (compute_tag_properties): Ditto.
15341 (set_initial_properties): Ditto.
15342 (compute_call_clobbered): Ditto.
15343 (compute_may_aliases): Call compute_call_clobbered and grouping.
15344 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15345 (compute_flow_insensitive_aliasing): Grouping now happens in our
15347 (setup_pointers_and_addressables): Remove clobbering related code.
15348 (add_may_alias): Ditto.
15349 (replace_may_alias): Ditto.
15350 (get_nmt_for): Ditto.
15351 (create_global_var):
15352 (is_escape_site): Return an escape_type enumeration.
15353 * tree-flow-inline.h (is_call_clobbered): Global var does not
15354 imply call clobbered.
15355 (mark_call_clobbered): Take a reason for marking this. Remove
15356 marking of globalness, and cache invalidation.
15357 (clear_call_clobbered): Remove cache invalidation code.
15358 * tree-dfa.c (dump_variable): If details is on, dump the reason
15360 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15362 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15363 (struct var_ann_d): Ditto.
15364 (enum escape_type): New.
15365 (mark_call_clobbered): Adjust prototype.
15366 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15367 are never call clobbered.
15368 Record reasons for escaping.
15369 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15370 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15371 (ssa_ro_call_cache_valid): Ditto.
15372 (clobbered_v_may_defs): Ditto.
15373 (clobbered_vuses): Ditto.
15374 (ro_call_vuses): Ditto.
15375 (clobber_stats): New.
15376 (init_ssa_operands): Zero out clobber stats.
15377 (fini_ssa_operands): Print out clobber stats.
15378 (get_call_expr_operands): Pass callee fndecl to
15379 add_call_read_ops).
15380 (add_call_clobber_ops): Remove use of cache.
15381 Add use of PURE_CONST information.
15382 (add_call_read_ops): Remove use of cache.
15383 Add use of static not_read information.
15385 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15387 Introduce TLS descriptors for i386 and x86_64.
15388 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15389 (TARGET_ANY_GNU_TLS): New macro.
15390 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15391 (struct machine_function): Add tls_descriptor_call_expanded_p.
15392 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15393 (ix86_current_function_calls_tls_descriptor): Likewise.
15394 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15395 (override_options): Introduce gnu2 tls dialect.
15396 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15398 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15400 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15401 (ix86_init_machine_status): Initialize new field.
15402 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15403 (ix86_tls_module_base): New.
15404 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15405 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15406 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15407 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15408 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15409 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15410 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15411 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15412 * config/i386/predicates.md (tls_modbase_operand): New.
15413 (tp_or_register_operand): New.
15415 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15417 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15418 (look_for_address_of): Ditto.
15419 (ipa_init): Walk the function decls.
15420 (static_execute): Don't set readonly on FUNCTION_DECL's.
15422 2006-01-18 Roger Sayle <roger@eyesopen.com>
15424 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15425 for shifts where the source and destination registers are different.
15427 2006-01-18 Paul Brook <paul@codesourcery.com>
15429 Merge from csl-arm-branch.
15430 2005-03-14 Julian Brown <julian@codesourcery.com>
15431 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15432 (aeabi_llsl): Likewise.
15433 (ashrdi3): Likewise.
15434 (aeabi_lasr): Likewise.
15435 (lshrdi3): Likewise.
15436 (aeabi_llsr): Likewise.
15437 2005-03-10 Julian Brown <julian@codesourcery.com>
15438 * config.gcc: Disable shared libgcc for SymbianOS.
15439 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15441 2006-01-18 DJ Delorie <dj@redhat.com>
15443 * c-pragma.c (handle_pragma_diagnostic): New.
15444 (init_pragma): Register it.
15445 * doc/extend.texi: Document it.
15447 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15448 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15449 (diagnostic_context): Add classify_diagnostic[].
15450 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15451 as errors if they're overridden to DK_WARNING.
15452 (diagnostic_initialize): Initialize classify_diagnostic[].
15453 (diagnostic_set_kind_override): New.
15454 (diagnostic_report_diagnostic): Check for kind changes.
15455 * opts.c (common_handle_option): Take lang_mask. Update callers.
15456 Handle OPT_Werror_.
15457 * common.opt (Werror=): New.
15458 * doc/invoke.texi: Document -Werror=*
15460 2006-01-18 Jeff Law <law@redhat.com>
15462 * tree-vrp.c (test_for_singularity): Correct test for new
15463 min limit. Use operand_equal_p rather than pointer equality
15464 for testing if new min/max values are equal.
15466 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15467 using range information until after propagation and folding.
15469 2006-01-18 Richard Henderson <rth@redhat.com>
15470 Aldy Hernandez <aldyh@redhat.com>
15471 Jakub Jelinek <jakub@redhat.com>
15472 Diego Novillo <dnovillo@redhat.com>
15474 * omp-low.c: New file.
15475 * c-omp.c: New file.
15477 2006-01-18 Richard Henderson <rth@redhat.com>
15478 Jakub Jelinek <jakub@redhat.com>
15479 Diego Novillo <dnovillo@redhat.com>
15481 * doc/invoke.texi: Document -fopenmp.
15482 * tree-dump.h (debug_function): Declare.
15483 * hooks.c (hook_bool_tree_bool_false): New function.
15484 (hook_tree_tree_null): Remove.
15485 (hook_tree_tree_tree_null): New.
15486 * hooks.h: Update to match.
15487 * tree-pretty-print.c (debug_tree_chain): New.
15488 (print_generic_expr): Handle TDF_CHAIN.
15489 (dump_generic_node): Handle BLOCK.
15490 Do not abort with incomplete SWITCH_EXPRs.
15491 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15492 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15493 print space after directive name.
15494 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15495 Handle OMP_MASTER and OMP_ORDERED.
15496 Handle printing of OMP_BODY just in one place, goto
15497 dump_omp_body in the rest of OMP_* nodes that have
15499 Don't handle clause nodes here. Update omp statements to
15500 use dump_omp_clauses.
15501 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15502 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15503 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15504 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15505 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15506 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15507 Adjust output for GOMP_PARALLEL.
15508 (dump_omp_clauses): New.
15509 (print_declaration): Dump DECL_VALUE_EXPR.
15510 (op_symbol_1): Split out of op_symbol.
15511 (dumping_stmts): Remove. Update all users.
15512 * cgraph.c (cgraph_analyze_queue): New.
15513 (cgraph_add_new_function): New.
15514 * cgraph.h (cgraph_analyze_queue): Declare.
15515 (cgraph_add_new_function): Declare.
15516 (cgraph_lower_function): Remove.
15517 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15518 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15519 and TYPE_P nodes in its default clause.
15520 (empty_body_p): New.
15521 (tree_range_check_failed): New.
15522 (build5_stat): New.
15523 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15524 OMP_CLAUSE_REDUCTION_MERGE,
15525 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15526 OMP_CLAUSE_PRIVATE_DEBUG,
15527 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15528 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15529 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15530 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15531 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15532 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15533 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15534 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15535 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15536 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15537 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15538 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15539 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15540 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15541 (TREE_RANGE_CHECK): New.
15542 (empty_body_p): Declare.
15543 (enum omp_clause_default_kind): New.
15544 (build_string_literal): Declare.
15545 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15546 (build5_stat, build5): Declare.
15547 * tree-pass.h (TDF_CHAIN): Define.
15548 * tree-pass.h (PROP_gimple_lomp): Define.
15549 (pass_lower_omp): Declare.
15550 * diagnostic.h (debug_tree_chain): Declare.
15551 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15553 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15554 * builtins.c (build_string_literal): Make extern.
15555 * gcc.c (include_spec_function): New.
15556 (static_spec_functions): Add it.
15557 (main): Move load of libgomp.spec ...
15558 (LINK_COMMAND_SPEC): ... here.
15559 (link_gomp_spec): New.
15560 (static_specs): Include it.
15561 (LINK_COMMAND_SPEC): Add link_gomp.
15562 (GOMP_SELF_SPECS): New.
15563 (driver_self_specs): Include it.
15564 (switch_matches): Don't mark inline.
15565 (main): Load libgomp.spec.
15566 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15567 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15568 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15569 * tree-gimple.h (enum omp_parallel): Declare.
15570 (determine_parallel_type): Declare.
15571 (omp_firstprivatize_variable): Declare.
15572 (omp_reduction_init): Declare.
15573 (diagnose_omp_structured_block_errors): Declare.
15574 (struct walk_stmt_info): Add want_return_expr.
15575 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15576 (find_omp_clause): Declare.
15577 (insert_field_into_struct): Declare.
15578 (struct walk_stmt_info): Move from tree-nested.c
15579 (walk_stmts): Declare.
15580 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15582 * cgraphunit.c (cgraph_lower_function): Make static.
15583 (cgraph_finalize_pending_functions): New.
15584 (cgraph_finalize_function): Call it.
15585 (cgraph_finalize_compilation_unit): Likewise.
15586 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15587 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15588 (BT_FN_UINT_UINT): New.
15589 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15590 DEF_FUNCTION_TYPE_VAR_4): Document.
15591 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15592 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15593 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15594 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15595 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15596 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15597 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15598 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15599 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15600 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15601 into separate files.
15602 (DEF_GOMP_BUILTIN): New.
15603 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15604 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15605 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15606 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15607 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15608 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15609 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15610 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15611 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15612 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15613 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15614 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15615 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15616 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15617 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15618 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15619 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15620 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15621 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15622 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15623 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15624 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15625 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15626 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15627 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15628 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15629 * sync-builtins.def: New file, moved from builtins.def.
15630 * omp-builtins.def: New file, moved from builtins.def.
15631 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15632 * gimple-low.c (lower_function_body): Clear data.
15633 (lower_stmt): Do not handle COMPOUND_EXPR.
15634 Remove call to print_node_brief.
15635 * c-tree.h (c_finish_omp_clauses): New prototype.
15636 (C_DECL_THREADPRIVATE_P): Define.
15637 (lookup_name_no_remap, c_omp_remap_private): Remove
15638 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15639 (check_for_loop_decls): Update decl.
15640 (lookup_name_no_remap, c_omp_remap_private): Declare.
15641 (build_indirect_ref, build_modify_expr, pushdecl,
15642 pushdecl_top_level): Move to c-common.h.
15643 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15644 before the switch, but just in the 2 places that need it.
15645 * c-decl.c (diagnose_mismatched_decls): Do not check for
15646 mismatched thread-local attributes when OLDDECL is marked
15647 threadprivate and NEWDECL has no thread-local attributes.
15648 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15649 (c_gimple_diagnostics_recursively): Rename from
15650 c_warn_unused_result_recursively. Invoke
15651 diagnose_omp_structured_block_errors.
15652 (check_for_loop_decls): Return a singular decl found.
15653 * langhooks.c (lhd_omp_predetermined_sharing): Return
15654 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15655 (lhd_omp_firstprivatize_type_sizes): New.
15656 (lhd_omp_assignment): New.
15657 (lhd_omp_predetermined_sharing): New.
15658 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15659 (struct lang_hooks_for_types): Add
15660 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15661 omp_predetermined_sharing, omp_disregard_value_expr,
15662 omp_private_debug_clause, omp_clause_default_ctor,
15663 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15664 (c_finish_omp_clauses): New.
15665 (c_finish_bc_stmt): Diagnose break within omp for.
15666 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15667 (build_unary_op): Return error_mark after reporting
15669 (build_modify_expr): Likewise.
15670 * gimplify.c: Include optabs.h and pointer-set.h.
15671 (enum gimplify_omp_var_data): Declare.
15672 (struct gimplify_omp_ctx): Declare.
15673 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15675 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15676 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15677 (splay_tree_compare_decl_uid): New.
15678 (new_omp_context): New.
15679 (delete_omp_context): New.
15680 (gimple_add_tmp_var): Call omp_add_variable.
15681 (gimplify_bind_expr): Likewise.
15682 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15683 true, disregard DECL_VALUE_EXPR on the decl if any.
15684 (gimplify_expr_in_ctx): New.
15685 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15686 omp_add_variable, omp_notice_variable, omp_is_private
15687 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15688 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15689 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15690 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15691 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15692 gimplify_omp_atomic): New.
15693 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15694 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15695 OMP_CRITICAL and OMP_ATOMIC.
15696 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15697 * c-pragma.h (enum pragma_kind): Add
15698 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15699 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15700 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15701 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15702 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15703 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15704 PRAGMA_OMP_THREADPRIVATE.
15705 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15706 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15707 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15708 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15709 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15710 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15711 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15712 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15713 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15714 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15715 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15716 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15717 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15719 (struct nesting_info): Add field_map,
15720 suppress_expansion, debug_var_chain.
15721 (create_nesting_tree): Initialize them.
15722 (lookup_field_for_decl): Use field_map.
15723 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15724 (convert_local_omp_clauses): New.
15725 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15726 (walk_body): Split out of walk_function.
15727 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15728 (convert_nonlocal_reference): Handle omp statements.
15729 (convert_local_reference): Likewise.
15730 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15731 (unnest_nesting_tree): New.
15732 (lower_nested_functions): Call it.
15733 (insert_field_into_struct): Make extern.
15734 (struct walk_stmt_info): Move to tree-gimple.h.
15735 (walk_stmts): Make extern.
15736 * omp-builtins.def: New file.
15737 * tree-iterator.c (expr_only): Clarify comment.
15738 * c-common.h (pushdecl_top_level, pushdecl,
15739 build_modify_expr, build_indirect_ref,
15740 c_finish_omp_master, c_finish_omp_critical,
15741 c_finish_omp_ordered, c_finish_omp_barrier,
15742 c_finish_omp_atomic, c_finish_omp_flush,
15743 c_finish_omp_for, c_split_parallel_clauses,
15744 omp_clause_default_kind, c_omp_sharing_predetermined,
15745 c_omp_remap_decl): Declare.
15746 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15747 (OBJS-common): Add omp-low.o.
15748 (c-omp.o, omp-low.o): Add.
15749 (gimplify.o): Add dependency on $(OPTABS_H).
15750 (GTFILES): Add omp-low.c.
15751 (gt-stringpool.h): Add.
15752 * tree-cfg.c (set_bb_for_stmt): Do not update the
15753 block-to-labels map if we are currently expanding to RTL.
15754 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15756 Handle IDENTIFIER_NODE.
15757 (tree_verify_flow_info): Do not ICE when emitting error
15758 messages about invalid labels.
15759 (dump_function_to_file): Reset CFUN before emitting the body
15761 (debug_function): New.
15762 * passes.c (init_optimization_passes): Schedule
15764 * langhooks-def.h (lhd_omp_predetermined_sharing,
15765 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15767 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15768 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15769 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15770 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15771 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15772 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15773 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15774 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15775 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15776 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15777 (LANG_HOOK_DECLS): Use them.
15779 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15780 Richard Henderson <rth@redhat.com>
15781 Jakub Jelinek <jakub@redhat.com>
15782 Diego Novillo <dnovillo@redhat.com>
15784 * c-parser.c (pragma_omp_clause): Define.
15785 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15786 (c_parser_compound_statement): Likewise.
15787 (c_parser_statement): Likewise.
15788 (c_parser_pragma): Handle omp pragmas.
15789 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15790 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15791 (c_parser_omp_clause_name, check_no_duplicate_clause,
15792 c_parser_omp_variable_list,
15793 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15794 c_parser_omp_clause_copyprivate,
15795 c_parser_omp_clause_default,
15796 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15797 c_parser_omp_clause_lastprivate,
15798 c_parser_omp_clause_nowait,
15799 c_parser_omp_clause_num_threads,
15800 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15801 c_parser_omp_clause_reduction,
15802 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15803 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15804 c_parser_omp_atomic, c_parser_omp_barrier,
15805 c_parser_omp_critical, c_parser_omp_flush,
15806 c_parser_omp_for_loop, c_parser_omp_for,
15807 c_parser_omp_master, c_parser_omp_ordered,
15808 c_parser_omp_sections_scope, c_parser_omp_sections,
15809 c_parser_omp_parallel, c_parser_omp_single,
15810 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15811 * c-pragma.c (init_pragma): Do omp pragma registration here.
15812 * c.opt (fopenmp): New flag.
15814 2006-01-18 Eric Christopher <echristo@apple.com>
15816 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15817 * config/darwin.h (GOMP_SELF_SPECS): Define.
15819 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15821 * rtl.h: Remove the prototype for reg_alloc.
15823 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15826 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15827 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15828 sjlj and dwarf2 exception handling.
15829 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15830 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15831 * pa/pa.c (function_value): Treat complex and vector types as
15833 (function_arg): Likewise. Only pass scalar floats in the floating
15834 point argument registers.
15835 * pa/t-slibgcc-dwarf-ver: New file.
15836 * pa/t-slibgcc-sjlj-ver: New file.
15837 * pa/t-slibgcc-elf-ver: Delete file.
15839 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15841 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15842 unlikely_test_section_p test.
15844 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15846 * mode-switching.c (optimize_mode_switching): Make it static.
15847 * basic-block.h: Remove the prototype for
15848 optimize_mode_switching.
15850 * modulo-sched.c (sms_schedule): Make it static.
15851 * rtl.h: Remove the prototype for sms_schedule.
15853 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15854 * rtl.h: Remove the prototype for gcse_after_reload_main.
15856 * reg-stack.c (reg_to_stack): Make it static.
15857 * rtl.h: Remove the prototype for reg_to_stack.
15859 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15861 * rtl.h: Remove the prototypes for regrename_optimize and
15862 copyprop_hardreg_forward.
15864 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15866 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15867 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15868 Test against the appropriate null constant for the mode.
15869 If 'fixup_overlap' is true, swap the operands if they overlap.
15870 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15871 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15872 alpha_split_tmode_pair and adjust for above change.
15873 * config/alpha/alpha.md (movtf_internal): Adjust call to
15874 alpha_split_tfmode_pair and rely on it to swap the operands.
15875 (movti_internal): New insn and post-reload splitter.
15876 (movti): New expander.
15878 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15880 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15883 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15885 * rtlanal.c (global_reg_mentioned_p_1,
15886 global_reg_mentioned_p): Remove.
15887 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15889 * flow.c (initialize_uninitialized_subregs): Make it static.
15890 * rtl.h: Remove the prototype for
15891 initialize_uninitialized_subregs.
15893 * function.c (instantiate_virtual_regs): Make it static.
15894 * function.h: Remove the prototype for
15895 instantiate_virtual_regs.
15897 * regmove.c (regmove_optimize, combine_stack_adjustments):
15899 * rtl.h: Remove the prototypes for regmove_optimize and
15900 combine_stack_adjustments.
15902 2006-01-17 Roger Sayle <roger@eyesopen.com>
15904 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15905 (size_cost): Encode costs in bytes so that a reg-reg addition is
15906 equivalent to COSTS_N_INSNS(1).
15907 (override_options): Use the size_cost.branch_cost as the default
15908 ix86_branch_cost when optimizing for size.
15910 2006-01-18 Ben Elliston <bje@au.ibm.com>
15912 * Makefile.in (D32PBIT_FUNCS): New.
15913 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15914 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15915 D64PBIT_FUNCS and D128PBIT_FUNCS.
15916 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15917 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15919 (decnumber_dep): Define.
15920 * doc/libgcc.texi (Decimal float library routines): New node.
15921 * config/dfp-bit.h, config/dfp-bit.c: New files.
15923 2006-01-18 Ben Elliston <bje@au.ibm.com>
15925 * expr.c (emit_move_change_mode): Always adjust addresses, not
15926 just during reload. Copy replacements only during reload.
15927 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
15928 emit_move_via_integer.
15930 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
15932 * Makefile.in (check-%, check-consistency): Use $${srcdir}
15933 instead of $(srcdir) and ${srcdir}.
15935 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
15938 PR middle-end/11135
15939 * arm.h (struct machine_function): Add pic_reg.
15940 * arm.c (arm_pic_register): Make unsigned.
15941 (arm_override_options): Only set arm_pic_register if
15942 TARGET_SINGLE_PIC_BASE.
15943 (use_return_insn): Only test for a pic register if it is fixed.
15944 (arm_compute_save_reg0_reg12_mask): Likewise.
15945 (thumb_compute_save_reg_mask): Likewise.
15946 (legitimate_pic_operand): Factor out some known invariants.
15947 (legitimize_pic_address): If we don't have a fixed pic register,
15948 then set up a pseudo in the function entry sequence. Handle the
15949 pic base being in a pseudo.
15950 (arm_load_pic_register): Handle the pic register being in a pseudo.
15951 (arm_expand_prologue): Only set up the pic register if it is fixed.
15952 (thumb_expand_prologue): Likewise.
15953 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15954 (pic_load_addr_based_insn): Likewise.
15955 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15958 2006-01-18 Ben Elliston <bje@au.ibm.com>
15960 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15961 decimal float modes for all floating point registers.
15963 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15964 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15966 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15969 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15970 even when the pointer is not NULL.
15972 2006-01-16 Ian Lance Taylor <ian@airs.com>
15974 * common.opt (ftoplevel-reorder): New option.
15975 * cgraph.c (cgraph_asm_nodes): New global variable.
15976 (cgraph_asm_last_node): New static variable.
15977 (cgraph_order): New global variable.
15978 (cgraph_create_node): Set new order field.
15979 (cgraph_varpool_node): Likewise.
15980 (decide_is_variable_needed): Return true if not
15981 flag_toplevel_reorder.
15982 (cgraph_add_asm_node): New function.
15983 * cgraph.h (struct cgraph_node): Add order field.
15984 (struct cgraph_varpool_node): Add order field.
15985 (struct cgraph_asm_node): Define.
15986 (cgraph_asm_nodes, cgraph_order): Declare.
15987 (cgraph_add_asm_node): Declare.
15988 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15990 (cgraph_varpool_assemble_pending_decls): Call it.
15991 (cgraph_output_pending_asms): New static function.
15992 (cgraph_finalize_compilation_unit): Call it.
15993 (struct cgraph_order_sort): Define.
15994 (cgraph_output_in_order): New static function.
15995 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15996 !flag_toplevel_reorder case.
15997 * c-parser.c: Include "cgraph.h".
15998 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
16000 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
16001 than -fno-unit-at-a-time.
16002 * doc/invoke.texi (Option Summary): Mention
16003 -fno-toplevel-reorder.
16004 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
16005 -funit-at-a-time documentation.
16007 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
16008 Kazu Hirata <kazu@codesourcery.com>
16010 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
16012 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
16014 * Makefile.in (FUNCTION_H): New. Use it instead of
16015 function.h throughout the file.
16016 * function.h: Include tree.h.
16018 2006-01-17 Ben Elliston <bje@au.ibm.com>
16020 * recog.c: Separate some functions with whitespace.
16022 2006-01-16 Richard Henderson <rth@redhat.com>
16024 Merge from gomp branch:
16025 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
16026 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
16027 and rename from struct inline_data. Rename callee* to dst*;
16028 caller* to src*; add copy_decl hook, transform_call_graph_edges,
16029 transform_new_cfg, transform_return_to_modify, and
16030 transform_lang_insert_block flags; remove cloning_p, versioning_p,
16032 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
16033 (copy_decl_for_dup): Remove.
16034 * tree-inline.c (struct inline_data): Move to header.
16035 (insert_decl_map): Export.
16036 (remap_decl): Update for member name changes. Use copy_decl hook.
16037 Allow for replacement to be a non-decl. Remove dead code.
16038 (remap_type_1): Check for existing mapping.
16039 (remap_type): Export.
16040 (remap_decls): Update for member name changes.
16041 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
16042 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
16043 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
16044 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
16045 (tree_function_versioning, build_duplicate_type): Likewise.
16046 (copy_body_r): Likewise. Export.
16047 (copy_decl_for_dup): Split into ...
16048 (copy_decl_for_dup_finish, copy_decl_to_var,
16049 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16050 (replace_ref_tree, inlining_p): Remove.
16052 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16054 * ifcvt.c (if_convert): Make it static.
16055 * rtl.h: Remove the prototype for if_convert.
16057 * local-alloc.c (local_alloc): Make it static.
16058 * rtl.h: Remove the prototype for local_alloc.
16060 * loop.c (loop_optimize): Make it static.
16061 * cfgloop.h: Remove the prototype for loop_optimize.
16064 2006-01-16 DJ Delorie <dj@redhat.com>
16066 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16069 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16071 * pa.md: Disparage copies between general and floating-point registers
16072 in 32-bit move patterns.
16074 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
16077 * Makefile.in (check-%): Depend on site.exp instead of
16078 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
16081 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16083 * global.c (global_alloc): Make it static.
16084 * rtl.h: Remove the prototype for global_alloc.
16086 2006-01-16 Richard Guenther <rguenther@suse.de>
16088 * tree-ssa-alias.c (struct used_part): Add write_only field.
16089 (get_or_create_used_part_for): Initialize it to true.
16090 (create_overlap_variables_for): Don't create structure variables
16091 for structures that only are written to.
16092 (find_used_portions): Handle MODIFY_EXPR to track whether a
16093 structure is only written to.
16095 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16097 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
16099 * basic-block.h: Remove the prototype for
16100 partition_hot_cold_basic_blocks.
16102 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
16104 * cppspec.c (lang_specific_spec_functions): Remove.
16105 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
16106 * gcc.h (lang_specific_spec_functions): Remove.
16107 * gccspec.c (lang_specific_spec_functions): Remove.
16109 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
16111 * combine.c (record_value_for_reg): Invalidate registers
16113 (record_dead_and_set_regs_1): Likewise, by passing them to
16114 record_value_for_reg.
16115 (record_dead_and_set_regs): Invalidate stores made by a
16116 call. We do not combine across a call, but we still
16117 relied on equivalences.
16119 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16121 * tree-vrp.c (extract_range_from_binary_expr): Cope with
16122 vrp_int_const_binop returning non-constant nodes.
16124 2006-01-16 Paul Brook <paul@codesourcery.com>
16126 * config/m68k/m68k.c (output_move_const_into_data_reg):
16127 Output correct mnemonic for mvz and mvs.
16129 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
16131 * rtl-factoring.c: Add sequence abstraction algorithm.
16132 * cfgcleanup.c (outgoing_edges_match): Extra checks.
16133 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16135 (block_has_preserve_label): New function.
16136 * common.opt: Register new pass.
16137 * Makefile.in: Ditto.
16139 * timevar.def: Ditto.
16140 * tree-pass.h: Ditto.
16141 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16142 * rtl.h (make_jump_insn_raw): Add forward decl.
16143 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
16145 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16146 Roger Sayle <roger@eyesopen.com>
16148 * fold-const.c (fold_minmax): New static function.
16149 (fold_binary) <MIN_EXPR>: Call it.
16150 <MAX_EXPR>: Likewise.
16151 * stor-layout.c (place_field): Use DECL_SIZE consistently
16152 in the computation of the new record size.
16154 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16156 * cse.c (cse_condition_code_reg): Make it static.
16157 * rtl.h: Remove the prototype for cse_condition_code_reg.
16159 * combine.c (combine_instructions): Make it static.
16160 * rtl.h: Remove the prototype for combine_instructions.
16162 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16165 * tree.c (get_file_function_name_long): Concatenate the first global
16166 object name with a string derived from the input filename of the object
16169 2006-01-16 Ben Elliston <bje@au.ibm.com>
16171 * config/i386/winnt-stubs.c: Update FSF address.
16172 * config/xtensa/ieee754-df.S: Ditto.
16173 * config/xtensa/ieee754-sf.S: Ditto.
16175 2006-01-14 Ian Lance Taylor <ian@airs.com>
16177 * ifcvt.c (noce_init_if_info): New static function, broken out of
16178 noce_process_if_block.
16179 (noce_process_if_block): Call noce_init_if_info.
16180 (check_cond_move_block): New static function.
16181 (cond_move_process_if_block): New static function.
16182 (process_if_block): Call cond_move_process_if_block.
16184 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
16186 * cselib.c (hash_table): Rename to cselib_hash_table.
16187 (cselib_clear_table, discard_useless_values,
16188 remove_useless_values, cselib_lookup_mem, cselib_lookup,
16189 cselib_init, cselib_finish): Adjust uses of hash_table.
16191 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
16193 PR tree-optimization/25485
16194 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16195 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16196 is known to be false and true, respectively.
16198 2006-01-14 Richard Guenther <rguenther@suse.de>
16200 PR tree-optimization/22548
16201 PR tree-optimization/22555
16202 PR tree-optimization/22501
16203 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16204 * params.def (salias-max-array-elements): New parameter.
16205 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16206 * doc/invoke.texi (salias-max-array-elements): Document.
16207 * tree-flow-inline.h (var_can_have_subvars): We also handle
16209 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16211 * tree-ssa-structalias.c (params.h): Include.
16212 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16213 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16214 (get_constraint_for): For ADDR_EXPR operating on something
16215 containing an ARRAY_REF, add all subvars to the solution.
16216 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16217 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16218 for creating MUST_DEFs.
16219 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16221 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16223 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16225 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16226 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16227 number_of_iterations_le): New functions.
16228 (number_of_iterations_special): Removed.
16229 (number_of_iterations_exit): Do not use number_of_iterations_special.
16230 * tree.c (unsigned_type_for): Always return integer type.
16232 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
16233 Richard Guenther <rguenther@suse.de>
16235 PR rtl-optimization/24257
16236 * gcse.c (find_moveable_store): Only consider a store movable
16237 when the SET_SRC of the insn can be assigned to a register.
16239 2006-01-14 Ian Lance Taylor <ian@airs.com>
16241 * tree.c (tree_not_class_check_failed): New function.
16242 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16243 (tree_not_class_check_failed): Declare.
16245 2006-01-13 Ian Lance Taylor <ian@airs.com>
16247 * reload1.c (do_output_reload): Add assertion rejecting a
16250 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16252 * combine.c (struct reg_stat): Add new fields truncation_label and
16254 (record_value_for_reg): Reset truncated_to_mode.
16255 (record_truncated_value): New function.
16256 (check_promoted_subreg): Call it. Rename to check_conversions.
16257 (combine_instructions): Rename check_promoted_subreg to
16259 (reg_truncated_to_mode): New function.
16260 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16261 (gen_lowpart_or_truncate): New function.
16262 (force_to_mode): Use it instead of gen_lowpart.
16264 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16266 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16267 VAR is a tag, not its type tag.
16269 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16271 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16272 alternatives to match style of other entries.
16273 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16275 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16277 PR tree-optimization/25771
16278 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16281 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16284 * tree-inline.c (declare_return_variable): If the return variable
16285 was marked as a non gimple complex, set the return slot variable
16286 to be a non gimple comple variable.
16288 2006-01-13 Richard Guenther <rguenther@suse.de>
16290 * builtins.c (expand_builtin_sincos): New function.
16291 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16293 (expand_builtin): Expand sincos using expand_builtin_sincos.
16295 2006-01-12 DJ Delorie <dj@redhat.com>
16297 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16298 shift counts, separate SI shifts for m32c vs m16c, pass shift type
16299 so that constant shifts can be split.
16300 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16301 (m32c_valid_pointer_mode): Make static.
16302 (shift_gen_func_for): New.
16303 (m32c_prepare_shift): Use it. Split large const shifts into
16305 * config/m32c/predicates.md (shiftcount_operand): Allow more
16307 (longshiftcount_operand): New.
16308 * doc/md.texi (Machine Constraints): Document In6.
16310 2006-01-13 Ben Elliston <bje@au.ibm.com>
16312 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16313 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16316 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
16318 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16319 to try to avoid clobbering pieces of structures when we know
16320 something about the whole structure.
16321 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16323 2006-01-13 Ben Elliston <bje@au.ibm.com>
16325 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16326 return in memory, as this is no limitation is no longer present.
16328 2006-01-12 DJ Delorie <dj@redhat.com>
16330 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16331 mova with fb, and for fb+0 -> An.
16333 * config/m32c/mov.md (peephole2): Fix enabling logic.
16335 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16336 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16337 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16338 FINI_ARRAY_SECTION_ASM_OP): Define.
16340 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16342 (m32c_legitimize_reload_address): New logic to reload FB to An.
16343 (m32c_output_reg_push): Add newline.
16344 (m32c_output_reg_pop): Likewise.
16346 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16348 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16350 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16352 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16354 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16356 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16359 2006-01-11 Ben Elliston <bje@au.ibm.com>
16361 * rtlanal.c (find_reg_note): Assert insn is not null.
16363 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16365 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16368 2006-01-11 Jeff Law <law@redhat.com>
16370 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16372 (mark_threaded_blocks, register_jump_thread): New functions.
16373 (thread_through_all_blocks): Remove unwanted argument. No
16374 longer rely on e->aux to communicate thread target info.
16375 Call mark_threaded_blocks. Release the threaded_blocks
16376 bitmap and threaded_edges vector when complete.
16377 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16378 (threaded_blocks): Remove.
16379 (tree_ssa_dominator_optimize): Remove initialization and
16380 finalization of threaded_blocks. Simplify call to
16381 thread_through_all_blocks.
16382 (thread_across_edge): Call register_jump_thread rather than
16383 storing thread information into e->aux.
16384 (free_all_edge_infos): Simplify now that e->aux is no longer
16385 used to communicate with thread_through_all_blocks.
16386 * tree-flow.h (thread_through_all_blocks): Update prototype.
16387 (register_jump_thread): Prototype.
16389 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16391 * df-core.c (df_compact_blocks, df_bb_replace): Use
16392 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16394 2006-01-11 Richard Guenther <rguenther@suse.de>
16396 PR tree-optimization/25734
16397 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16398 stop propagation after successful propagation to the LHS.
16400 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16402 * basic-block.h (control_flow_graph): Change the type of
16403 x_basic_block_info to VEC(basic_block,gc) *.
16404 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16406 (SET_BASIC_BLOCK): New.
16407 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16408 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16409 * cfgbuild.c (find_basic_blocks): Likewise.
16410 * cfglayout.c (fixup_reorder_chain): Likewise.
16411 * cfgrtl.c (create_basic_block_structure,
16412 rtl_create_basic_block): Likewise.
16413 * ifcvt.c (find_if_case_1): Likewise.
16414 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16417 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16419 * Makefile.in: Removed rotted odf.c entry.
16421 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16424 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16425 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16426 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16427 output pattern modifier, not %e.
16428 * config/cris/cris.c (cris_op_str): Update comment about pattern
16430 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16431 before falling through into...
16432 <case 'E'>: Redefined from old 'e' case.
16434 2006-01-11 Jan Hubicka <jh@suse.cz>
16437 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16439 2006-01-11 Jan Hubicka <jh@suse.cz>
16441 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16442 * i386.c (x86_decompose_lea): Kill.
16443 (ix86_rtx_costs): Kill.
16445 2006-01-11 Jan Hubicka <jh@suse.cz>
16447 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16448 * cgraph.h (cgraph_node): Add inline_decl.
16449 (cgraph_insert_node_to_hashtable): Declare.
16450 (save_inline_function_body): Declare.
16451 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16453 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16454 (cgraph_function_versioning): Update call of tree_function_versioning.
16455 (save_inline_function_body): New function.
16456 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16457 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16458 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16459 (cgraph_default_inline_p): Likewise.
16460 (cgraph_decide_inlining_incrementally): Likewise.
16461 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16462 (copy_bb): Kill saving; do updating of clones.
16463 (copy_cfg_body): Kill saving.
16464 (initialize_inlined-parameters): Likewise.
16465 (expand_call_inline): Likewise.
16467 (tree_function_versioning): New parameter "update_clones".
16468 (inlining_p): Kill saving.
16469 * tree-inline.h (tree_function_versioning): Update prototype.
16470 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16473 2006-01-11 Ian Lance Taylor <ian@airs.com>
16475 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16476 Allow undoing set of machine mode.
16477 (do_SUBST): Use enums instead of is_int.
16478 (do_SUBST_MODE): New function.
16479 (SUBST_MODE): New macro.
16480 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16481 reg and trying to replace reg_regno_rtx with a new register.
16482 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16483 (simplify_set): Use SUBST_MODE.
16484 (distribute_notes): Remove code that tried to update reg notes
16485 for regno_reg_rtx changes.
16487 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16489 PR tree-optimization/23109
16490 PR tree-optimization/23948
16491 PR tree-optimization/24123
16493 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16494 * tree-cfg.c (single_noncomplex_succ): New.
16495 * tree-flow.h (single_noncomplex_succ): Declare it.
16496 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16497 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16498 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16499 insert_bb, register_division_in, insert_reciprocals,
16500 replace_reciprocal, free_bb): New.
16501 (execute_cse_reciprocals_1): Rewritten.
16502 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16503 Do not commit any edge insertion. Always compute dominators and
16504 create the allocation pool.
16505 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16506 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16507 * targhooks.c (default_min_divistions_for_recip_mul): New.
16508 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16509 * passes.c (init_optimization_passes): Run recip after tree loop
16511 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16513 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16514 Kenneth Zadeck <zadeck@naturalbridge.com>
16516 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16517 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16518 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16519 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16520 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16521 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16522 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16523 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16524 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16525 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16526 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16527 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16528 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16529 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16530 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16531 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16532 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16533 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16534 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16535 DF_SCAN_POST_ALLOC): New macros.
16536 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16537 df_free_bb_function, df_local_compute_function, df_init_function,
16538 df_dataflow_function, df_confluence_function_0,
16539 df_confluence_function_n, df_transfer_function,
16540 df_finalizer_function, df_free_function, df_dump_problem_function,
16541 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16542 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16543 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16544 df_urec_bb_info, ) New types.
16545 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16547 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16548 df_analyze_simple_change_some_blocks,
16549 df_analyze_simple_change_one_block, df_compact_blocks,
16550 df_bb_replace, df_bb_regno_last_use_find,
16551 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16552 df_insn_regno_def_p, df_find_def, df_find_use,
16553 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16554 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16555 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16556 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16557 debug_df_chain, df_get_dependent_problem, df_chain_create,
16558 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16559 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16560 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16561 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16562 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16563 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16564 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16565 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16566 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16567 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16568 df_reorganize_refs, df_set_state, df_hard_reg_init,
16569 df_read_modify_subreg_p) New public functions.
16570 * df-core.c: The core dataflow solver and glue routines for rtl
16572 (df_init, df_add_problem, df_set_blocks, df_finish,
16573 df_hybrid_search_forward, df_hybrid_search_backward,
16574 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16575 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16576 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16577 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16578 df_reg_defined, df_find_use, df_reg_used, df_dump,
16579 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16580 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16581 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16582 debug_df_useno, reset_df_after_reload): New functions.
16583 * df-scan.c: The scanning fuctions, once in df.c, completely
16584 rewritten so that they now fully model the functionality of
16585 register usage at the backend.
16586 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16587 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16588 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16589 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16590 df_get_artificial_defs, df_get_artificial_uses,
16591 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16592 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16593 df_refs_delete, df_reorganize_refs, df_set_state,
16594 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16595 df_def_record_1, df_defs_record, df_uses_record,
16596 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16597 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16598 df_record_exit_block_uses, df_hard_reg_init): New functions.
16600 * df-problems.c: Seven concrete dataflow problems that use the
16601 scanning in df-scan.c and are solved by the engine in df-core.c.
16602 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16603 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16604 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16605 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16606 df_ru_free_bb_info, df_ru_alloc,
16607 df_ru_bb_local_compute_process_def,
16608 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16609 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16610 df_ru_transfer_function, df_ru_free, df_ru_dump,
16611 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16612 df_rd_free_bb_info, df_rd_alloc,
16613 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16614 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16615 df_rd_transfer_function, df_rd_free, df_rd_dump,
16616 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16617 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16618 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16619 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16620 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16621 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16622 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16623 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16624 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16625 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16626 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16627 df_urec_mark_reg_use_for_earlyclobber,
16628 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16629 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16630 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16631 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16632 df_chain_create_bb_process_use, df_chain_create_bb,
16633 df_chain_finalize, df_chain_free, df_chains_dump,
16634 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16635 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16636 df_reg_lifetime): New functions.
16637 * df.c: Deleted file.
16638 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16639 consistent with new df api.
16640 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16641 rest_of_handle_sms): Ditto.
16642 * web.c (unionfind_union, union_defs, entry_register, web_main):
16644 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16645 invariant_expr_equal_p, find_defs, check_dependencies,
16646 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16647 free_inv_motion_data, move_loop_invariants): Ditto.
16648 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16649 Update dependencies.
16650 (odf.c): Added defective entry that was deleted later in day.
16651 * sched-deps.c (sched_analyze_1): Ditto.
16653 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16655 * tree-ssa-operands.c (get_expr_operands): Record addressable
16656 variables directly. Do not call add_stmt_operands for CONST_DECLs
16658 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16659 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16661 2006-01-11 Ben Elliston <bje@au.ibm.com>
16663 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16664 function returns true in the positive case.
16666 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16669 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16670 for SI, DI, SF and DF modes. Add alternatives to copy between
16671 general and floating point registers to the 32-bit patterns.
16672 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16673 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16674 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16675 generating 64-bit code.
16676 * config/pa/pa.c (output_move_double): Handle copies between general
16677 and floating registers.
16679 2006-01-10 Stuart Hastings <stuart@apple.com>
16681 * config/i386/i386.md (set_got): Update.
16682 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16683 (builtin_setjmp_receiver): Mach-O support.
16684 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16685 (GOT_SYMBOL_NAME): Define.
16686 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16687 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16688 * config/i386/i386.c (override_options): Revise for Darwin.
16689 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16690 support. (darwin_x86_file_end): New. (output_set_got): Add label
16691 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16692 * config/i386/i386-protos.h (output_set_got): Likewise.
16693 * config/darwin.c (machopic_legitimize_pic_address): Update
16696 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16698 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16699 when MODE isn't BLKmode.
16701 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16703 PR rtl-optimization/25367
16704 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16706 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16709 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16710 for a negative bound.
16712 2006-01-10 Richard Guenther <rguenther@suse.de>
16714 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16715 Never override with anything constraint.
16717 2006-01-10 Jan Beulich <jbeulich@novell.com>
16719 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16720 256 bits when optimize_size.
16722 2006-01-10 Jan Beulich <jbeulich@novell.com>
16724 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16726 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16727 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16730 2006-01-10 Ben Elliston <bje@au.ibm.com>
16732 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16734 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16735 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16736 (USE_FP_FOR_ARG): Reject decimal float modes.
16737 (function_arg_advance): Likewise.
16738 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16739 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16740 point types in AltiVec vectors.
16741 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16742 (rs6000_libcall_value): Likewise.
16744 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16746 * config/xtensa/ieee754-df.S: New file.
16747 * config/xtensa/ieee754-sf.S: New file.
16748 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16749 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16750 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16752 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16754 * config/sh/predicates.md (binary_float_operator,
16755 binary_logical_operator, commutative_float_operator,
16756 equality_comparison_operator, greater_comparison_operator,
16757 less_comparison_operator, logical_operator,
16758 noncommutative_float_operator, shift_operator,
16759 symbol_ref_operand, unary_float_operator): Remove redundant
16762 2006-01-09 Jeff Law <law@redhat.com>
16764 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16765 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16766 now unused arguments. Callers updated.
16767 (eliminate_redundant_computations): Remove now unused arguments,
16769 (local_fold): Remove, no longer used.
16770 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16772 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16773 (simplify_cond): New function.
16774 (forward_propagate_into_cond): Call simplify_cond.
16776 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16778 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16779 (*vec_extractv2di_1_sse): New.
16781 2006-01-09 Ben Elliston <bje@au.ibm.com>
16783 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16785 2006-01-08 Richard Guenther <rguenther@suse.de>
16787 * tree-ssa-structalias.c (get_constraint_for): Remove
16788 anyoffset argument.
16789 (get_constraint_for_component_ref): Likewise.
16790 (do_deref): Likewise.
16791 (get_constraint_for): Likewise.
16792 (do_structure_copy): Likewise.
16793 (handle_ptr_arith): Likewise.
16794 (find_func_aliases): Likewise. Remove unused need_anyoffset
16797 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16798 Kaz Kojima <kkojima@gcc.gnu.org>
16800 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16801 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16802 (EXTRA_CONSTRAINT_C16): Remove.
16803 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16804 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16805 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16806 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16807 constants of SHmedia. Handle nested constant expressions of
16809 (andcosts): Fix the costs for SHmedia constants.
16810 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16811 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16812 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16813 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16814 (movv4hi_i, movv2si_i): Likewise.
16815 (movsi_const): Adjust the second operand of ior so to match with
16816 the Csu constraint.
16817 (movdi_const, movdi_const_32bit): Likewise.
16818 (movdi_const_16bit+1): Don't sign-extend LOW.
16819 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16821 (*double_shori): Fix the split condition. Use GEN_INT instead
16822 of get_int_mode calls. Mask lower 16-bit of the argument of
16824 (sym2GOTPLT): Remove.
16825 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16827 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16828 instead of EXTRA_CONSTRAINT_C16.
16830 2006-01-07 Ian Lance Taylor <ian@airs.com>
16831 David Edelsohn <edelsohn@gnu.org>
16833 PR rtl-optimization/25662
16834 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16835 for constant operands instead of simplify_gen_binary.
16836 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16837 after trying simplify_binary_operation
16839 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16841 * tree.c (iterative_hash_expr): Hash decls based on UID.
16843 2006-01-06 Eric Christopher <echristo@apple.com>
16845 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16846 (TARGET_UNWIND_EMIT): Fix spelling.
16847 * target.h (gcc_target): Add except_table_label.
16848 * except.c (output_function_exception_table): Use.
16849 * varasm.c (default_emit_except_table_label): New.
16850 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16852 (asm_out): Add here.
16853 * output.h (default_emit_except_table_label): Prototype.
16854 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16855 * config/darwin.c (darwin_emit_except_table_label): Define.
16856 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16858 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16860 PR tree-optimization/18527
16861 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16862 number_of_iterations_special, number_of_iterations_exit):
16863 Move base and step of an iv to a single structure. Add
16864 no_overflow flag, and use it in # of iterations analysis.
16865 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16866 folded_casts argument.
16867 (simple_iv): Pass base and step in a structure. Set no_overflow
16869 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16870 Evaluate expensiveness of computing # of iterations instead of
16871 the final expression.
16872 * tree-scalar-evolution.h (affine_iv): New structure.
16873 (simple_iv): Declaration changed.
16874 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16875 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16876 find_givs_in_stmt): Changed due to simple_iv change.
16878 2006-01-06 Jeff Law <law@redhat.com>
16881 * tree-cfg.c (bsi_replace): Rename final argument from
16882 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16883 change (stmt -> orig_stmt).
16884 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16885 (bsi_remove): Add new argument. Remove EH information
16887 (verify_eh_throw_table_statements): New function.
16888 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16890 * tree-optimize.c (execute_free_cfg_annotations): Verify
16891 the EH throw statement table after removing annotations.
16892 * except.h (verify_eh_throw_table_statements): Prototype.
16893 * tree-flow.h (bsi_remove): Update prototype.
16894 * tree-vrp.c (remove_range_assertions): Add new argument to
16896 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16897 * tree-complex.c (expand_complex_div_wide): Likewise.
16898 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16899 * tree-tailcall.c (eliminate_tailcall): Likewise.
16900 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16901 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16902 * tree-nrv.c (tree_nrv): Likewise.
16903 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16904 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16905 (combine_blocks): Likewise.
16906 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16907 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16908 (cleanup_control_flow): Likewise.
16909 (remove_forwarder_block): Likewise.
16910 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16911 * tree-sra.c (sra_replace): Likewise.
16912 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16913 (forward_propagate_single_use_vars): Likewise.
16914 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16915 * tree-inline.c (expand_call_inline): Likewise.
16916 * tree-vect-transform.c (vect_transform_loop): Likewise.
16917 * tree-outof-ssa.c (rewrite_trees): Likewise.
16918 * tree-cfg.c (make_goto_expr_edges): Likewise.
16919 (cleanup_dead_labels): Likewise.
16920 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16921 (bsi_move_before, bsi_move_after): Likewise.
16922 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16923 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
16925 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
16928 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
16930 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
16931 on non gimple variables. Also add checks at the top for decls and
16933 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
16935 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
16936 and IMAGPART_EXPR for creating MUST_DEFs.
16937 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
16938 and NAME_MEMORY_TAG separately from the DECLs.
16940 2006-01-06 Richard Guenther <rguenther@suse.de>
16942 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
16943 annotation, if necessary.
16944 * tree-ssa-pre.c (create_expression_by_pieces): Remove
16945 redundant calls to update_stmt.
16946 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16949 2006-01-05 Richard Henderson <rth@redhat.com>
16951 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16953 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16955 * c-typeck.c: Update copyright date.
16957 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16959 * c-typeck.c (build_c_cast): Always warn when casting
16960 from a pointer to an integer of different size, even if
16961 the node was constant.
16963 2006-01-05 Richard Guenther <rguenther@suse.de>
16965 PR tree-optimization/22555
16966 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16967 if one structure field is an array.
16968 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16969 operands even if we found a subvar, but ignore VOPs in this
16971 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16973 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16975 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16977 PR middle-end/24998
16978 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16980 2006-01-05 Richard Guenther <rguenther@suse.de>
16981 Diego Novillo <dnovillo@redhat.com>
16983 * tree-pass.h (TODO_remove_unused_locals): Define.
16984 * gimple-low.c (expand_var_p, remove_useless_vars,
16985 pass_remove_useless_vars): Remove. Update all users.
16986 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16987 (remove_unused_locals): New function.
16988 * tree-flow.h (remove_unused_locals): Declare.
16989 * passes.c (execute_todo): Call remove_unused_locals if
16990 TODO_remove_unused_locals is set.
16991 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16992 * tree-ssa-dce.c (pass_dce): Likewise.
16993 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16995 2006-01-05 Richard Guenther <rguenther@suse.de>
16997 * tree-flow.h (struct fieldoff): Decompose field to
16998 type, size and decl.
16999 * tree-ssa-alias.c (create_sft): Take type as parameter.
17000 (create_overlap_variables_for): Store type, size and decl
17001 in the fieldoff structure.
17002 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
17003 of struct fieldoff.
17004 (push_fields_onto_fieldstack): Likewise.
17005 (create_variable_info_for): Likewise. Use offset for the
17006 SFT name if the decl is not available.
17008 2006-01-04 Paul Brook <paul@codesourcery.com>
17010 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
17012 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
17014 * lambda-code.c (can_put_in_inner_loop): Relax
17016 (can_put_after_inner_loop): New function.
17017 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
17018 (perfect_nestify): Change to make copies and modify uses.
17020 2006-01-04 Richard Henderson <rth@redhat.com>
17022 Merge from gomp branch:
17023 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
17024 via integer constant.
17025 (pragma_lex): Remove.
17026 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
17027 rather than parsing it.
17028 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
17029 handle_pragma_extern_prefix): Add %< %> quotes.
17030 (registered_pragmas): New.
17031 (c_register_pragma_1): New.
17032 (c_register_pragma): Use it.
17033 (c_register_pragma_with_expansion): Likewise.
17034 (c_invoke_pragma_handler): New.
17035 (init_pragma): Use cpp_register_deferred_pragma directly for
17037 * c-pragma.h (enum pragma_kind): New.
17038 (pragma_handler): New.
17039 (c_invoke_pragma_handler): Declare.
17040 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
17042 * c-common.h (c_common_pch_pragma): Update decl.
17043 * Makefile.in (c-parser.o): Update dependencies.
17044 (GTFILES): Add c-pragma.h.
17045 * c-parser.c (struct c_token): Add pragma_kind.
17046 (struct c_parser): Add in_pragma.
17047 (c_lex_one_token): Always initialize keyword and pragma_kind.
17048 Extract data for CPP_PRAGMA.
17049 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17050 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17051 Don't allow CPP_PRAGMA_EOL if in_pragma.
17052 (c_parser_consume_pragma): New.
17053 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17054 (c_parser_skip_to_end_of_parameter): Likewise.
17055 (c_parser_skip_to_end_of_block_or_statement): Likewise.
17056 (c_parser_skip_to_pragma_eol): New.
17057 (c_parser_external_declaration): Handle CPP_PRAGMA.
17058 (c_parser_compound_statement_nostart): Likewise.
17059 (c_parser_statement_after_labels): Likewise.
17060 (c_parser_pragma): New.
17061 (pragma_lex): Likewise.
17062 (c_parser_pragma_pch_preprocess): New.
17063 (c_parser_new): Merge into ...
17064 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
17066 2006-01-04 Jeff Law <law@redhat.com>
17069 * tree-cfg.c (bsi_replace): Remove the original statement
17070 from the EH throw statement table.
17072 2006-01-04 Jakub Jelinek <jakub@redhat.com>
17074 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
17075 make the prototype extern "C" and add throw ().
17078 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
17079 and pos non-negative and pos + len <= 32.
17080 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
17081 drop pos + len < HOST_BITS_PER_WIDE_INT test.
17082 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
17085 * c-common.c (handle_vector_size_attribute): Reject zero vector size
17086 as well as sizes not multiple of component size.
17089 * function.c (instantiate_expr): New function.
17090 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
17091 walk its DECL_VALUE_EXPR with instantiate_expr.
17093 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
17094 DW_OP_deref{,_size} if address isn't going to be added.
17096 2006-01-04 Ben Elliston <bje@au.ibm.com>
17098 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
17099 * config/fp-bit.c: Likewise.
17101 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
17103 * dominance.c: Add comment about why we use DFS numbering
17106 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17107 Richard Henderson <rth@redhat.com>
17109 Merge from gomp-branch:
17110 * varasm.c (assemble_variable): Handle thread-local COMMON data.
17111 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
17113 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
17115 PR rtl-optimization/25578
17116 * combine.c (combine_simplify_rtx, force_to_mode): Don't
17117 pass a parameter to simplify_shift_const if changing ASHIFTRT
17120 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
17122 * builtins.c (get_builtin_sync_mem): New function.
17123 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17124 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17125 Call get_builtin_sync_mem to generate mem rtx.
17127 2006-01-03 Richard Guenther <rguenther@suse.de>
17130 * stmt.c (add_case_node): Make sure to clear overflow flags
17133 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17135 Merge from gomp-branch.
17136 * config/sparc/sync.md: New file.
17137 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17138 UNSPECV_LDSTUB): New constants.
17139 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
17140 * config/sparc/predicates.md (memory_reg_operand): New predicate.
17141 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
17144 2006-01-03 Roger Sayle <roger@eyesopen.com>
17146 * combine.c (reg_subword_p): New predicate to test whether the
17147 destination of a set refers to a subword/piece of a register.
17148 (try_combine): Generalize the code to merge the setting of a
17149 pseudo to a constant followed by a set of a subword of that
17150 register to a constant.
17152 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
17154 * basic-block.h (control_flow_graph): Change the type of
17155 x_label_to_block_map to VEC(basic_block,gc) *.
17156 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17157 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17159 * tree-ssa-propagate.c (cfg_blocks): Change the type to
17160 VEC(basic_block,heap) *.
17161 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17162 ssa_prop_fini): Adjust the uses of cfg_blocks.
17164 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
17166 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17168 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17169 hashing trees instead of a pointer hash.
17170 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17171 compare for MEM_EXPR.
17173 PR rtl-optimization/25130
17174 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17175 when comparing MEMs for GCSE
17177 2006-01-03 Ben Elliston <bje@au.ibm.com>
17179 * targhooks.h (default_decimal_float_supported_p): Declare.
17180 * targhooks.c (default_decimal_float_supported_p): Define.
17181 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17182 `default_decimal_float_supported_p'.
17183 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17185 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
17187 * combine.c (apply_distributive_law <SUBREG>): Check
17188 TRULY_NOOP_TRUNCATION.
17190 2006-01-02 Geoffrey Keating <geoffk@apple.com>
17192 * dwarf2out.c (have_switched_text_section): Delete.
17193 (have_multiple_function_sections): New.
17194 (have_location_lists): Make 'bool'.
17195 (add_AT_loc_list): Use 'true' not '1'.
17196 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17197 (output_loc_list): Use have_multiple_function_sections.
17198 (output_ranges): Likewise.
17199 (dwarf2out_begin_function): Set have_multiple_function_sections if
17201 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17202 Check function_section rather than DECL_SECTION_NAME.
17203 (dwarf2out_finish): Use have_multiple_function_sections.
17204 Don't clear have_location_lists.
17206 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
17207 Jan Hubicka <jh@suse.cz>
17209 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17210 case of conditional jump jumping to the next instruction.
17211 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17212 cases of conditional jump jumping to the next instruction.
17214 2006-01-02 Jan Hubicka <jh@suse.cz>
17216 * i386.c (*_cost): Add COSTS_N_INSNS.
17217 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17219 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
17222 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17224 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17226 * config/arm/arm.c (all_fpus): Fix comment typo.
17227 * config/darwin.c: Likewise.
17228 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17229 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17230 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17232 2006-01-01 David Edelsohn <edelsohn@gnu.org>
17234 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17235 (rs6000_split_compare_and_swapqhi): New.
17236 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17237 (sync_compare_and_swapqhi_internal): New.
17238 * config/rs6000/rs6000-protos.h: Declare.