1 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
3 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
4 HOST_WIDE_INT_PRINT to print high and low parts. Use
5 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
6 printing a hexadecimal number prefix it with 0x.
8 2006-11-01 Chris Johns <chris@contemporary.net.au>
11 * Makefile.in (install-driver): Use exeext when installing
14 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
16 * c-common.c (flag_cpp0x): New.
17 * c-common.h (flag_cpp0x): New.
18 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
19 supported, define __GXX_EXPERIMENTAL_CPP0X__.
20 * c-opts.c (set_std_cxx0x): New.
21 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
22 * c.opt (std=c++0x): Document.
24 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
25 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
27 2006-11-01 Richard Guenther <rguenther@suse.de>
29 * config/i386/i386.c (ix86_expand_rint): Fix issues with
31 (ix86_expand_floorceildf_32): Likewise.
32 (ix86_expand_floorceil): Likewise.
33 (ix86_expand_trunc): Likewise.
35 2006-10-31 Andrew Pinski <pinskia@gmail.com>
37 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
40 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
42 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
44 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
46 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
48 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
49 * configure.ac (use_cxa_atexit): As a special case, don't test
50 for libc definition of __cxa_atexit on mingw32
51 * configure: Regenerate.
52 * config.gcc (i[34567]86-pc-mingw32): Default to
53 enable__cxa_atexit=yes.
55 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
57 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
59 2006-10-31 Geoffrey Keating <geoffk@apple.com>
62 * c-decl.c (start_struct): Don't create self-containing
64 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
66 * config/rs6000/rs6000-protos.h
67 (darwin_rs6000_special_round_type_align): New.
68 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
69 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
71 2006-10-31 Geoffrey Keating <geoffk@apple.com>
73 * toplev.c (compile_file): Call final_write_globals
74 even if there have been errors.
76 2006-10-31 Eric Christopher <echristo@apple.com>
77 Falk Hueffner <falk@debian.org>
79 * doc/extend.texi (__builtin_bswap32): Document.
80 (__builtin_bswap64): Ditto.
81 * doc/libgcc.texi (bswapsi2): Document.
83 * doc/rtl.texi (bswap): Document.
84 * optabs.c (expand_unop): Don't widen a bswap.
85 (init_optabs): Init bswap. Set libfuncs explicitly
86 for bswapsi2 and bswapdi2.
87 * optabs.h (OTI_bswap): New.
89 * genopinit.c (optabs): Handle bswap_optab.
90 * tree.h (tree_index): Add TI_UINT32_TYPE and
92 (uint32_type_node): New.
93 (uint64_type_node): Ditto.
94 * tree.c (build_common_tree_nodes_2): Initialize
95 uint32_type_node and uint64_type_node.
96 * builtins.c (expand_builtin_bswap): New.
97 (expand_builtin): Call.
98 (fold_builtin_bswap): New.
99 (fold_builtin_1): Call.
100 * fold-const.c (tree_expr_nonnegative_p): Return true
102 * builtin-types.def (BT_UINT32): New.
104 (BT_FN_UINT32_UINT32): Ditto.
105 (BT_FN_UINT64_UINT64): Ditto.
106 * builtins.def (BUILT_IN_BSWAP32): New.
107 (BUILT_IN_BSWAP64): Ditto.
108 * rtl.def (BSWAP): New.
109 * genattrtab.c (check_attr_value): New.
110 * libgcc2.c (__bswapSI2): New.
112 * libgcc2.h (__bswapSI2): Declare.
114 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
115 * simplify-rtx.c (simplify_const_unary_operation): Return
117 * libgcc-std.ver (__bwapsi2): Add.
119 * reload1.c (eliminate_regs_1): Add bswap.
120 (elimination_effects): Ditto.
121 * config/i386/i386.h (x86_bswap): New.
123 * config/i386/i386.c (x86_bswap): Set.
125 2006-10-31 Geoffrey Keating <geoffk@apple.com>
127 * coverage.c (coverage_checksum_string): Update comment.
128 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
129 of get_file_function_name.
130 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
131 of get_file_function_name_long.
132 * tree.c (get_file_function_name): Rename from
133 get_file_function_name_long; improve comment; handle 'I' and 'D'
134 specially when the target has ctor/dtor support; remove special
136 (get_file_function_name): Remove.
137 * tree.h (get_file_function_name): Rename from
138 get_file_function_name_long.
139 (get_file_function_name): Remove prototype.
141 2006-10-31 Geoffrey Keating <geoffk@apple.com>
143 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
144 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
146 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
147 Call dsymutil when compiling and linking one or more source files
150 2006-10-31 Geoffrey Keating <geoffk@apple.com>
153 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
155 2006-10-31 Geoffrey Keating <geoffk@apple.com>
157 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
158 inline static functions in c99 mode.
161 * doc/extend.texi (Inline): Update.
162 * c-tree.h (struct language_function): Remove field 'extern_inline'.
163 * c-decl.c (current_extern_inline): Delete.
164 (pop_scope): Adjust test for an undefined nested function.
165 Add warning about undeclared inline function.
166 (diagnose_mismatched_decls): Update comments. Disallow overriding
167 of inline functions in a translation unit in C99. Allow inline
168 declarations in C99 at any time.
169 (merge_decls): Boolize variables. Handle C99 'extern inline'
171 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
172 C99 inline semantics.
173 (start_function): Don't clear current_extern_inline. Don't set
175 (c_push_function_context): Don't push current_extern_inline.
176 (c_pop_function_context): Don't restore current_extern_inline.
179 * c-typeck.c (build_external_ref): Warn about static variables
180 used in extern inline functions.
181 * c-decl.c (start_decl): Warn about static variables declared
182 in extern inline functions.
184 2006-10-31 Roger Sayle <roger@eyesopen.com>
187 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
188 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
189 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
190 or y is an even integer.
192 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
195 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
196 * gthr-posix95.h (__gthread_active_p): Likewise.
198 2006-10-31 Richard Guenther <rguenther@suse.de>
200 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
201 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
202 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
203 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
204 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
205 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
206 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
207 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
210 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
212 * opts.c (decode_options): Disable CSE skip blocks.
214 2006-10-30 Dirk Mueller <dmueller@suse.de>
216 * c-common.h (strict_aliasing_warning): Fix whitespace.
217 * c-decl (start_function): Move code for main decl warning ..
218 * c-common.c (check_main_parameter_types): .. here.
219 * c-common.h (check_main_parameter_types): Declare.
221 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
224 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
226 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
228 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
229 be a PARALLEL containing sets. Return false when out_pat is not
232 2006-10-30 Richard Sandiford <richard@codesourcery.com>
234 * config/mips/mips.md (mul<mode>3): Split into...
235 (mulsi3, muldi3): ...these separate patterns.
237 2006-10-30 Richard Sandiford <richard@codesourcery.com>
239 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
240 but with each set of options separated by spaces.
242 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
244 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
245 dwarf_reg_size_table has been initialized.
247 2006-10-30 Roger Sayle <roger@eyesopen.com>
249 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
250 * ddg.c (print_ddg_edge): Likewise.
251 * dwarf2out.c (prune_unused_types_walk): Likewise.
252 * ifcvt.c (noce_try_cmove_arith): Likewise.
253 * langhooks.c (add_builtin_function): Likewise.
254 * reg-stack.c (subst_stack_regs_pat): Likewise.
255 * tree.c (expanded_location): Likewise.
256 * tree-dump.c (dequeue_and_dump): Likewise.
258 2006-10-30 David Daney <ddaney@avtrex.com>
260 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
262 2006-10-30 Jakub Jelinek <jakub@redhat.com>
264 PR tree-optimization/29637
265 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
266 of the innertype is the innertype itself.
268 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
270 * dwarf2out.c (file_name_acquire): Correct typo.
272 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
274 * tree.h (tree_value_handle): Remove struct value_set declaration.
275 Change value_set to bitmap_set.
276 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
277 * tree-vn.c (get_value_handle): Made inline and moved to
279 * tree-flow-inline.h: (has_stmt_ann): New function.
280 * tree-ssa-pre.c (expressions): New variable.
281 (next_expression_id): Ditto.
282 (alloc_expression_id): New function.
283 (struct value_set): Remove.
284 (get_expression_id): New function.
285 (get_or_alloc_expression_id): Ditto.
286 (expression_for_id): Ditto.
287 (clear_expression_ids): Ditto.
288 (FOR_EACH_EXPR_ID_IN_SET): New macro.
289 (bb_value_sets): Renamed to bb_bitmap_sets.
290 All value sets replaced with bitmap_sets.
292 (BB_VISITED): New macro.
293 (postorder): New variable.
294 (add_to_value): Removed.
295 (value_exists_in_set_bitmap): Ditto.
296 (value_insert_into_set_bitmap): Ditto.
300 (set_contains_value): Ditto.
301 (insert_into_set): Ditto.
303 (find_leader): Ditto.
304 (bitmap_set_subtract_from_value_set): Ditto.
305 (value_insert_into_set): Ditto.
306 (print_value_set): Ditto.
307 (debug_value_set): Ditto.
308 (constant_expr_p): New function.
309 (bitmap_remove_from_set): Ditto.
310 (bitmap_insert_into_set): Ditto.
311 (bitmap_set_free): Ditto.
313 (sorted_array_from_bitmap_set): Ditto.
314 (bitmap_set_subtract): Ditto.
315 (bitmap_set_equal): Ditto.
316 (debug_bitmap_set): Ditto.
317 (find_leader_in_sets): Ditto.
318 (bitmap_set_replace_value): Modify for bitmapped sets.
319 (phi_translate): Ditto.
320 (phi_translate_set): Ditto.
321 (bitmap_find_leader): Ditto.
322 (valid_in_sets): Ditto.
323 (union_contains_value): Ditto.
325 (compute_antic_aux): Ditto. Mark changed blocks.
326 (compute_antic): Ditto. Iterate in postorder and only over
328 (compute_rvuse_and_antic_safe): Reuse postorder.
329 (create_component_ref_by_pieces): Modify for bitmapped sets.
330 (find_or_generate_expression): Ditto.
331 (create_expression_by_pieces): Ditto.
332 (insert_into_preds_of_block): Ditto.
333 (changed_blocks): New variable.
334 (do_regular_insertion): Broken out from insert_aux.
335 (insert_aux): Modified for bitmapped sets.
336 (find_existing_value_expr): New function.
337 (create_value_expr_from): Use it.
338 (insert_extra_phis): Removed.
339 (print_bitmap_set): Renamed from bitmap_print_value_set.
340 (compute_avail): Handle RETURN_EXPR.
341 (init_pre): Modify for bitmapped sets.
342 * tree-flow.h (has_stmt_ann): New function.
344 2006-10-29 Roger Sayle <roger@eyesopen.com>
346 * builtins.c (fold_builtin_floor): Check for the availability of
347 the C99 trunc function before transforming floor into trunc.
349 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
351 * builtins.c (fold_builtin_hypot): Rearrange recursive
352 transformation before others, and also do ABS_EXPR. When
353 necessary, check flag_unsafe_math_optimizations. When necessary,
356 2006-10-29 Roger Sayle <roger@eyesopen.com>
358 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
359 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
360 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
361 Fold -X eq/ne -Y as X eq/ne Y.
363 2006-10-29 Richard Sandiford <richard@codesourcery.com>
365 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
366 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
367 rather than GENERATE_MULT3_SI in the various define_peephole2s.
368 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
369 Use an inclusive test for "mult" rather than "mul".
370 (rotr<mode>3): Depend on ISA_HAS_ROR.
371 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
373 (GENERATE_MULT3_DI): Delete.
374 (ISA_HAS_64BIT_REGS): Use consistent formatting.
375 (ISA_HAS_MUL3): New macro.
376 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
377 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
378 (ISA_HAS_CLZ_CLO): Likewise.
379 (ISA_HAS_DCLZ_DCLO): Delete.
380 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
381 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
382 the VR4120 and VR4130.
383 (ISA_HAS_MACCHI): Use consistent formatting.
384 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
385 (ISA_HAS_ROR): ...this new macro.
386 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
387 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
388 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
390 2006-10-29 Roger Sayle <roger@eyesopen.com>
392 PR tree-optimization/15458
393 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
396 2006-10-29 Richard Guenther <rguenther@suse.de>
398 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
399 (ix86_expand_truncdf_32): Likewise.
400 * config/i386/i386.c (ix86_expand_trunc): New function expanding
401 trunc inline for SSE math and -fno-trapping-math and if not
403 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
404 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
405 for expanding btrunc inline for SSE math.
407 2006-10-29 Joseph Myers <joseph@codesourcery.com>
409 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
410 Handle tuning for bi-arch i[34567]86-*-linux* like that for
411 i[34567]86-*-solaris2.1[0-9]*.
412 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
413 Define conditionally depending on TARGET_64BIT_DEFAULT.
414 (SPEC_32, SPEC_64): Define.
415 (LINK_SPEC): Use them.
416 * doc/install.texi (--enable-targets=all): Document for x86-linux.
418 2006-10-29 Richard Guenther <rguenther@suse.de>
420 * config/i386/i386-protos.h (ix86_expand_round): Declare.
421 (ix86_expand_rounddf_32): Likewise.
422 * config/i386/i386.c (ix86_expand_round): New function expanding
423 round inline for SSE math and -fno-trapping-math and if not
425 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
426 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
427 round via ix86_expand_round.
429 2006-10-29 Richard Guenther <rguenther@suse.de>
431 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
432 (ix86_expand_floorceildf_32): Likewise.
433 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
434 static helper function.
435 (ix86_expand_floorceil): Expander for floor and ceil to SSE
437 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
438 * config/i386/i386.md (floordf2): Adjust to enable floor
439 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
440 -fno-trapping-math is enabled and if not optimizing for size.
441 (floorsf2, ceildf2, ceilsf2): Likewise.
442 * config/i386/sse.md (sse_maskcmpsf3): New insn.
443 (sse2_maskcmpdf3): Likewise.
445 2006-10-29 Richard Guenther <rguenther@suse.de>
447 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
448 rint in case -fno-trapping-math is enabled.
449 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
450 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
451 (ix86_expand_sse_fabs): Likewise.
452 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
453 * config/i386/i386.md (rintdf2): Enable for SSE math if
454 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
457 2006-10-29 Richard Guenther <rguenther@suse.de>
459 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
460 to conversion optabs.
461 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
463 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
464 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
465 (lfloor_optab, lceil_optab): Adjust defines.
466 * builtins.c (expand_builtin_int_roundingfn): Adjust for
467 lfloor and lceil optabs now being conversion optabs.
468 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
469 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
470 New static helper function.
471 (ix86_expand_lfloorceil): New function to expand lfloor and
473 * config/i386/i386.md (lfloor<mode>2): Split into ...
474 (lfloorxf<mode>2): ... x87 variant
475 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
476 using ix86_expand_lfloorceil.
477 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
479 * doc/md.texi (lfloorMN, lceilMN): Document.
481 2006-10-29 Richard Sandiford <richard@codesourcery.com>
483 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
484 -mno-shared assembler option on mips targets.
485 * configure, config.in: Regenerate.
486 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
487 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
488 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
490 2006-10-29 Richard Sandiford <richard@codesourcery.com>
492 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
493 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
495 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
497 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
498 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
501 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
504 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
505 (fold_builtin_pow): Evaluate constant arguments at compile-time
507 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
508 (do_mpfr_ckconv): New helper function.
509 (do_mpfr_arg1): Use do_mpfr_ckconv.
512 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
515 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
516 (-fdump-rtl-sched): Rename to ..
517 (-fdump-rtl-sched1): here. Also fix file extension number.
519 2006-10-28 Richard Guenther <rguenther@suse.de>
521 * fold-const.c (maybe_canonicalize_comparison): Fix code
524 2006-10-28 Uros Bizjak <uros@kss-loka.si>
526 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
527 (NON_QI_REG_P): Use IN_RANGE.
528 (REX_INT_REGNO_P): Use IN_RANGE.
529 (FP_REGNO_P): Use IN_RANGE.
530 (SSE_REGNO_P): Use IN_RANGE.
531 (REX_SSE_REGNO_P): Use IN_RANGE.
532 (MMX_REGNO_P): Use IN_RANGE.
533 (STACK_REGNO_P): New macro.
534 (STACK_REG_P): Use STACK_REGNO_P.
535 (NON_STACK_REG_P): Use STACK_REGNO_P.
536 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
537 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
538 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
539 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
540 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
542 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
544 * except.h (output_function_exception_table): Add 'const char*' param.
545 * except.c (switch_to_exception_section): Add 'const char*' param.
546 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
547 and flag_function_sections is set, use a function-specific section.
548 (output_function_exception_table): Add 'const char*' param.
549 Adjust call to switch_to_exception_section.
550 * final.c (rest_of_handle_final): Adjust calls to
551 output_function_exception_table.
552 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
553 * config.in: Regenerate.
554 * configure: Likewise.
556 2006-10-28 Richard Guenther <rguenther@suse.de>
559 * fold-const.c (maybe_canonicalize_comparison_1): Helper
560 for maybe_canonicalize_comparison.
561 (maybe_canonicalize_comparison): New function for canonicalizing
563 (fold_comparison): Call it to canonicalize comparisons with
566 2006-10-28 Richard Guenther <rguenther@suse.de>
569 * builtins.c (expand_builtin_int_roundingfn_2): Expand
570 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
571 (expand_builtin): Adjust likewise.
572 * genopinit.c (optabs[]): Add lround optab.
573 * optabs.c (init_optabs): Initialize lround_optab.
574 * optabs.h (enum convert_optab_index): Add COI_lround.
575 (lround_optab): Define.
576 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
577 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
579 (ix86_expand_lround): New function.
580 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
582 * doc/md.texi (lroundMN2): Document.
584 2006-10-28 Uros Bizjak <uros@kss-loka.si>
587 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
588 argument to HOST_WIDE_INT. Update function prototype.
589 (round_frame_size): Change return type to HOST_WIDE_INT. Change
590 "size" argument to HOST_WIDE_INT. Update function prototype.
592 2006-10-28 Uros Bizjak <uros@kss-loka.si>
594 * config/i386/i386.c (output_387_ffreep): Create output from a
595 template string for !HAVE_AS_IX86_FFREEP.
597 2006-10-27 Eric Christopher <echristo@apple.com>
599 * config/darwin.c: Fix formatting and grammar.
601 2006-10-27 Jan Hubicka <jh@suse.cz>
603 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
604 to be thrown away soon when IGNORE is set.
605 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
606 indicating when return value shall not be computed.
607 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
609 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
611 * config/i386/i386.h (TARGET_GEODE):
612 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
613 (TARGET_CPU_DEFAULT_geode): New macro.
614 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
615 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
616 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
617 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
618 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
620 (TARGET_CPU_DEFAULT_NAMES): Add geode.
621 (processor_type): Add PROCESSOR_GEODE.
623 * config/i386/i386.md: Include geode.md.
626 * config/i386/i386.c (geode_cost): New initialized global
628 (m_GEODE, m_K6_GEODE): New macros.
629 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
630 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
631 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
632 x86_schedule): Use m_K6_GEODE instead of m_K6.
633 (x86_movx, x86_cmove): Set up m_GEODE.
634 (x86_integer_DFmode_moves): Clear m_GEODE.
635 (processor_target_table): Add entry for geode.
636 (processor_alias_table): Ditto.
638 * config/i386/geode.md: New file.
640 * doc/invoke.texi: Add entry about geode processor.
642 2006-10-27 Mike Stump <mrs@apple.com>
644 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
645 __DYNAMIC__ from here back to ...
646 * config/darwin.h (CPP_SPEC): ... here.
648 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
649 Nathan Sidwell <nathan@codesourcery.com>
651 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
652 when choosing the minimum heapsize.
654 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
656 * gcc/unwind-dw2.h: Move cfa-related variables into
657 struct frame_state_reg_info to ensure that the CFA is properly
658 handled when executing DW_CFA_{remember,restore}_state.
659 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
660 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
661 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
662 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
663 gcc/config/rs6000/linux-unwind.h,
664 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
665 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
666 Modify to use new cfa_* fields.
668 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
670 * config/s390/s390.c (s390_init_frame_layout): Check positive
673 2006-10-26 Ben Elliston <bje@au.ibm.com>
675 * gimplify.c (get_name): Remove extraneous break.
676 (gimplify_omp_for): Initialise ret with GS_OK.
678 2006-10-25 Steve Ellcey <sje@cup.hp.com>
680 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
681 Add unix98.o to link line.
683 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
686 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
687 Calculate compile-time constants using MPFR.
688 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
689 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
691 2006-10-25 Bob Wilson <bob.wilson@acm.org>
693 * config/xtensa/lib2funcs.S: Use C-style comments.
695 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
697 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
698 (file_table_relative_p): Likewise.
699 (dwarf2out_finish): Likewise.
700 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
702 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
704 * tree-ssa-structalias.c (intra_create_variable_infos):
705 Don't recreate nonlocal_all if it already exists.
707 2006-10-25 Richard Guenther <rguenther@suse.de>
710 * optabs.h (enum optab_index): Remove OTI_lrint.
711 (enum convert_optab_index): Add COI_lrint.
712 (lrint_optab): Adjust.
713 (expand_sfix_optab): Declare.
714 * optabs.c (expand_sfix_optab): New function.
715 (init_optabs): Init lrint_optab as conversion optab.
716 * genopinit.c (lrint_optab): Change to a conversion optab.
717 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
718 expansion via conversion optab.
719 * config/i386/i386.md (*fistdi2_1): Remove
720 flag_unsafe_math_optimizations guard.
721 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
722 fist<mode>2_with_temp): Likewise.
723 (lrint<mode>2): Split into...
724 (lrintxf<mode>2): ... x87 part
725 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
726 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
727 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
728 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
729 * doc/md.texi (lrintMN2): Document.
731 2006-10-25 Uros Bizjak <uros@kss-loka.si>
734 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
735 Use inc and dec instructions for TARGET_USE_INCDEC.
736 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
737 ("sync_double_compare_and_swap<mode>"): Likewise.
738 ("*sync_double_compare_and_swapdi_pic"): Likewise.
739 ("*sync_compare_and_swap_cc<mode>"): Likewise.
740 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
741 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
742 ("sync_old_add<mode>"): Likewise.
743 ("sync_lock_test_and_set<mode>"): Likewise.
744 ("sync_lock_test_and_set<mode>"): Likewise.
745 ("sync_add<mode>"): Likewise.
746 ("sync_sub<mode>"): Likewise.
747 ("sync_ior<mode>"): Likewise.
748 ("sync_and<mode>"): Likewise.
749 ("sync_xor<mode>"): Likewise.
751 2006-10-25 Uros Bizjak <uros@kss-loka.si>
753 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
754 (remainder_optab): Define corresponding macro.
755 (drem_optab): Remove.
756 * optabs.c (init_optabs): Initialize remainder_optab. Remove
757 drem_optab initialization.
758 * genopinit.c (optabs): Implement remainder_optab using
759 remainder?f3 patterns. Remove drem_optab.
760 * builtins.c (expand_builtin_mathfn_2): Handle
761 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
762 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
763 expand_builtin_mathfn_2.
765 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
766 depend on flag_unsafe_math_optimizations.
768 * config/i386/i386.md ("remaindersf3", "remainderdf3")
769 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
770 Do not depend on flag_unsafe_math_optimizations. Use
771 truncxf?f expander instead of truncxf?f_i387_noop.
773 ("fpremxf4", "fprem1xf4"): Do not depend on
774 flag_unsafe_math_optimizations.
775 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
776 flag_unsafe_math_optimizations. Use truncxf?f expander
777 instead of truncxf?f_i387_noop.
779 * doc/md.texi (fmod, remainder): Document standard named pattern.
781 2006-10-24 Richard Sandiford <richard@codesourcery.com>
782 David Daney <ddaney@avtrex.com>
785 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
787 2006-10-25 Ben Elliston <bje@au.ibm.com>
789 * doc/extend.texi (Variable Attributes): Typo fix.
791 2006-10-24 Uros Bizjak <uros@kss-loka.si>
793 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
794 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
795 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
796 (FRAME_POINTER_REGNUM): Update register number to 21.
797 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
798 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
800 * config/i386/i386.c (regclass_map): Add fpcr entry.
801 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
803 (print_reg): Assert REGNO (x) != FPCR_REG.
805 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
806 (DIRFLAG_REG): Renumber.
807 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
808 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
809 (sse_prologue_save, *sse_prologue_save_insn): Renumber
810 hardcoded SSE register numbers.
812 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
813 hardcoded MMX register numbers.
815 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
818 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
819 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
821 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
822 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
823 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
824 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
826 2006-10-24 Richard Guenther <rguenther@suse.de>
829 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
830 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
831 for deciding optimizations in consistency with fold-const.c
832 (fold_builtin_unordered_cmp): Likewise.
834 2006-10-24 Richard Guenther <rguenther@suse.de>
836 * builtins.c (fold_builtin_floor): Fold floor (x) where
837 x is nonnegative to trunc (x).
838 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
839 nonnegative to FIX_TRUNC_EXPR.
841 2006-10-24 Richard Guenther <rguenther@suse.de>
843 PR tree-optimization/29567
844 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
845 for TRUTH_NOT_EXPR. Clarify comments.
847 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
850 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
851 at compile-time using MPFR. Change parameter VALUE to FUNC,
853 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
854 for overflow and underflow at all times and avoid folding in
857 2006-10-24 Ben Elliston <bje@au.ibm.com>
859 * reload1.c: Formatting fixes.
861 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
863 PR tree-optimization/14784
864 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
865 * tree-ssa-structalias.c (get_constraint_for,
866 intra_create_variable_infos): Set is_heapvar.
867 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
868 non-heapvar pointer variables specially.
870 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
873 * builtins.c (fold_builtin_sin, fold_builtin_cos,
874 fold_builtin_tan): Fold all constant arguments. Take a "type"
875 argument as necessary.
877 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
879 2006-10-23 Bob Wilson <bob.wilson@acm.org>
881 * config/xtensa/lib1funcs.asm: Use C-style comments.
883 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
885 * tree.c (local_define_builtin): Replace calls to
886 lang_hooks.builtin_function with add_builtin_function.
887 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
889 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
891 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
892 common code to add_builtin_function.
893 * langhooks.c (add_builtin_function): New function.
894 (lhd_builtin_function): New function.
895 * langhooks.h (struct lang_hooks): Change the signature of
897 (add_builtin_function): New function.
898 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
899 calls to lang_hooks.builtin_function with add_builtin_function.
900 * c-common.c (decl_builtin_1): Replace calls to
901 lang_hooks.builtin_function with add_builtin_function.
902 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
903 lang_hooks.builtin_function with add_builtin_function.
904 * config/frv/frv.c (def_builtin): Replace calls to
905 lang_hooks.builtin_function with add_builtin_function.
906 * config/s390/s390.c (s390_init_builtins): Replace calls to
907 lang_hooks.builtin_function with add_builtin_function.
908 * config/sparc/sparc.c (def_builtin): Replace calls to
909 lang_hooks.builtin_function with add_builtin_function.
910 * config/i386/i386.c (def_builtin): Replace calls to
911 lang_hooks.builtin_function with add_builtin_function.
912 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
913 lang_hooks.builtin_function with add_builtin_function.
914 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
915 lang_hooks.builtin_function with add_builtin_function.
916 * config/stormy16/stormy16.c (xstormy16_init_builtins):
917 Replace calls to lang_hooks.builtin_function with
918 add_builtin_function.
919 * config/iq2000/iq2000.c (def_builtin):
920 Replace calls to lang_hooks.builtin_function with
921 add_builtin_function.
922 * config/ia64/ia64.c (def_builtin): Replace calls to
923 lang_hooks.builtin_function with add_builtin_function.
924 * config/rs6000/rs6000.c (def_builtin): Replace calls to
925 lang_hooks.builtin_function with add_builtin_function.
926 (altivec_init_builtins): Replace calls to
927 lang_hooks.builtin_function with add_builtin_function.
928 * config/arm/arm.c (def_mbuiltin): Replace calls to
929 lang_hooks.builtin_function with add_builtin_function.
930 (arm_init_tls_builtins): Replace calls to
931 lang_hooks.builtin_function with add_builtin_function.
932 * config/mips/mips.c (mips_init_builtins): Replace calls to
933 lang_hooks.builtin_function with add_builtin_function.
934 * config/bfin/bfin.c (def_builtin): Replace calls to
935 lang_hooks.builtin_function with add_builtin_function.
936 * langhooks-def.h (lhd_builtin_function): New function.
937 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
939 2006-10-23 Jakub Jelinek <jakub@redhat.com>
941 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
942 BUILT_IN_STRNCAT_CHK.
944 2006-10-23 Jan Hubicka <jh@suse.cz>
946 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
947 don't do conversion from memmove to memcpy here.
948 (expand_builtin_bcopy, expand_builtin): Update call of
949 expand_builtin_memmove.
950 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
952 2006-10-23 Paul Brook <paul@codesourcery.com>
954 * stor-layout.c (start_record_layout): maximum_field_alignment
955 overrides STRUCTURE_SIZE_BOUNDARY.
957 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
959 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
960 nonlocal function symbols if flag_pic.
962 2006-10-23 Richard Guenther <rguenther@suse.de>
966 * builtins.c (fold_binary): Remove checks for flag_wrapv
967 and flag_trapv where negate_expr_p covers these cases.
969 2006-10-23 Richard Guenther <rguenther@suse.de>
972 * fold-const.c (fold_plusminus_mult_expr): Check exact power
973 of two on the absolute value.
974 (fold_binary): Fold x * -C to -x * C if x is easily negatable
975 and negating -C does not overflow.
977 2006-10-23 Richard Guenther <rguenther@suse.de>
980 * convert.c (convert_to_real): Fold (float)-x to -(float)x
981 only if not flag_rounding_math.
983 2006-10-22 Richard Sandiford <richard@codesourcery.com>
984 Kaz Kojima <kkojima@gcc.gnu.org>
987 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
988 SImode memory reference for the source of a movua.
989 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
990 (movua): Use an unspec instead of sign_extract. Expect the source
991 to have mode BLKmode.
992 (extv, insv): Use a BLKmode rather than SImode memory reference
993 for the source of a movua.
995 2006-10-22 Jeff Law <law@redhat.com>
996 Richard Guenther <rguenther@suse.de>
998 PR tree-optimization/15911
999 * tree-vrp.c (extract_code_and_val_from_cond): New function.
1000 (register_edge_assert_for_1): Likewise.
1001 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
1002 (find_conditional_asserts): Adjust for new function signature.
1003 (find_assert_locations): Likewise.
1005 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1007 * config/i386/tmmintrin.h: Remove the duplicated content.
1009 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1011 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
1012 (x86_64-*-*): Likewise.
1014 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
1015 (override_options): Check SSSE3.
1016 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
1017 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
1018 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
1019 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
1020 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
1021 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
1022 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
1023 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
1024 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
1025 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
1026 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
1027 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
1028 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
1029 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
1030 IX86_BUILTIN_PABSD128.
1031 (bdesc_2arg): Add SSSE3.
1032 (bdesc_1arg): Likewise.
1033 (ix86_init_mmx_sse_builtins): Support SSSE3.
1034 (ix86_expand_builtin): Likewise.
1035 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
1037 * config/i386/i386.md (UNSPEC_PSHUFB): New.
1038 (UNSPEC_PSIGN): Likewise.
1039 (UNSPEC_PALIGNR): Likewise.
1040 Include mmx.md before sse.md.
1042 * config/i386/i386.opt: Add -mssse3.
1044 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
1045 (ssse3_phaddwv4hi3): Likewise.
1046 (ssse3_phadddv4si3): Likewise.
1047 (ssse3_phadddv2si3): Likewise.
1048 (ssse3_phaddswv8hi3): Likewise.
1049 (ssse3_phaddswv4hi3): Likewise.
1050 (ssse3_phsubwv8hi3): Likewise.
1051 (ssse3_phsubwv4hi3): Likewise.
1052 (ssse3_phsubdv4si3): Likewise.
1053 (ssse3_phsubdv2si3): Likewise.
1054 (ssse3_phsubswv8hi3): Likewise.
1055 (ssse3_phsubswv4hi3): Likewise.
1056 (ssse3_pmaddubswv8hi3): Likewise.
1057 (ssse3_pmaddubswv4hi3): Likewise.
1058 (ssse3_pmulhrswv8hi3): Likewise.
1059 (ssse3_pmulhrswv4hi3): Likewise.
1060 (ssse3_pshufbv16qi3): Likewise.
1061 (ssse3_pshufbv8qi3): Likewise.
1062 (ssse3_psign<mode>3): Likewise.
1063 (ssse3_psign<mode>3): Likewise.
1064 (ssse3_palignrti): Likewise.
1065 (ssse3_palignrdi): Likewise.
1066 (abs<mode>2): Likewise.
1067 (abs<mode>2): Likewise.
1069 * config/i386/tmmintrin.h: New file.
1071 * doc/extend.texi: Document SSSE3 built-in functions.
1073 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1075 2006-10-22 Ira Rosen <irar@il.ibm.com>
1077 * tree-vect-transform.c (vectorizable_load): Use the type of the
1078 return value of the mask_for_load builtin to create realign_load
1081 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1083 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
1086 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
1088 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
1089 (UNSPEC_LDDQU): This.
1090 * config/i386/sse.md (sse3_lddqu): Updated.
1092 2006-10-21 Richard Guenther <rguenther@suse.de>
1094 * builtins.c (expand_builtin_int_roundingfn_2): New function.
1095 (expand_builtin): Use it to expand lrint instead of
1096 expand_builtin_mathfn.
1098 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1101 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
1102 flag_unsafe_math_optimizations is set.
1104 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1107 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
1108 patterns to use memory input operand in x87->mem->XMM
1109 reload sequences. Skip transformation for TARGET_K8.
1111 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1113 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
1114 force operand1 to register if both operands are memory operands.
1115 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
1116 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
1117 if both operands are memory operands.
1118 (truncdfsf2): Do not force operand1 to register if both operands
1119 are memory operands.
1121 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1123 * Makefile.in (LIBS): Add $(GMPLIBS).
1124 * doc/install.texi: Update GMP and MPFR requirements.
1125 * doc/sourcebuild.texi (need_gmp): Delete.
1127 2006-10-21 Richard Guenther <rguenther@suse.de>
1129 PR tree-optimization/3511
1130 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1131 got new invariant arguments during PHI translation.
1133 2006-10-21 Richard Guenther <rguenther@suse.de>
1136 * fold-const.c (fold_comparison): Fold signed comparisons
1137 of the form X +- C1 CMP Y +- C2.
1139 2006-10-21 Richard Guenther <rguenther@suse.de>
1142 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1143 if flag_unsafe_math_optimizations is specified. We have
1144 flag_finite_math_only for that.
1145 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1146 or flag_unsafe_math_optimizations.
1148 2006-10-21 Richard Guenther <rguenther@suse.de>
1150 * builtins.c (fold_builtin_classify): Fix typo.
1152 2006-10-21 Richard Guenther <rguenther@suse.de>
1155 * simplify-rtx.c (simplify_const_relational_operation):
1156 Do not constant-fold ORDERED and UNORDERED for
1157 flag_unsafe_math_optimizations but only we do not need to
1158 honor NaNs for the given mode.
1160 2006-10-21 Richard Guenther <rguenther@suse.de>
1163 * config/i386/i386.c (classify_argument): Remove redundant
1164 walking of the BINFOs.
1165 (contains_128bit_aligned_vector_p): Likewise.
1167 2006-10-20 Mark Mitchell <mark@codesourcery.com>
1169 * BASE-VER: Set to 4.3.0.
1171 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
1173 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1174 (tree_decl_with_vis): Remove artificial_pta_var flag.
1175 * tree-flow.h (referenced_var_check_and_insert): Expose.
1176 (nonlocal_all): New prototype.
1177 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1178 (nonlocal_all): Make global.
1179 (nonlocal_lookup): Remove.
1180 (nonlocal_insert): Ditto.
1181 (create_nonlocal_var): Do not call nonlocal_insert.
1182 (get_nonlocal_id_for_type): Remove.
1183 (find_global_initializers): Mark new vars we find for renaming.
1184 (intra_create_variable_infos): Only create one nonlocal.
1185 (expand_nonlocal_solutions): Remove.
1186 (compute_points_to_sets): Don't call it.
1187 (ipa_pta_execute): Ditto.
1188 (init_alias_heapvars): Don't create nonlocal_for_type.
1189 (delete_alias_heapvars): Don't remove it.
1190 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1193 2006-10-19 Brooks Moses <bmoses@stanford.edu>
1195 * doc/install.texi (Downloading GCC): Clarify mention of
1196 Fortran in the "full distribution" description.
1198 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
1200 Fix PR tree-optimization/28778
1201 Fix PR tree-optimization/29156
1202 Fix PR tree-optimization/29415
1203 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1204 (tree_decl_with_vis): Add artificial_pta_var flag.
1205 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1206 pushed into callers.
1207 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1208 (nonlocal_all): Ditto.
1209 (struct variable_info): Add directly_dereferenced member.
1210 (var_escaped_vars): New variable.
1211 (escaped_vars_tree): Ditto.
1212 (escaped_vars_id): Ditto.
1213 (nonlocal_vars_id): Ditto.
1214 (new_var_info): Set directly_dereferenced.
1215 (graph_size): New variable
1216 (build_constraint_graph): Use graph_size.
1217 (solve_graph): Don't process constraints that cannot change the
1218 solution, don't try to propagate an empty solution to our
1220 (process_constraint): Set directly_dereferenced.
1221 (could_have_pointers): New function.
1222 (get_constraint_for_component_ref): Don't process STRING_CST.
1223 (nonlocal_lookup): New function.
1224 (nonlocal_insert): Ditto.
1225 (create_nonlocal_var): Ditto.
1226 (get_nonlocal_id_for_type): Ditto.
1227 (get_constraint_for): Allow results vector to be empty in the case
1228 of string constants.
1229 Handle results of calls properly.
1230 (update_alias_info): Update alias info stats on number and type of
1232 (find_func_aliases): Use could_have_pointers.
1233 (make_constraint_from_escaped): Renamed from
1234 make_constraint_to_anything, and changed to make constraints from
1236 (make_constraint_to_escaped): New function.
1237 (find_global_initializers): Ditto.
1238 (create_variable_info_for): Make constraint from escaped to any
1239 global variable, and from any global variable to the set of
1241 (intra_create_variable_infos): Deal with escaped instead of
1242 pointing to anything.
1243 (set_uids_in_ptset): Do type pruning on directly dereferenced
1245 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1246 (init_base_vars): Fix comment, and initialize escaped_vars.
1247 (need_to_solve): Removed.
1248 (find_escape_constraints): New function.
1249 (expand_nonlocal_solutions): Ditto.
1250 (compute_points_to_sets): Call find_escape_constraints and
1251 expand_nonlocal_solutions.
1252 (delete_points_to_sets): Don't fall off the end of the graph.
1253 (init_alias_heapvars): Initialize nonlocal_for_type and
1255 (delete_alias_heapvars): Free nonlocal_for_type and null out
1258 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1260 * fold-const.c (add_double): Rename to add_double_with_sign.
1261 Add 'unsigned_p' parameter and take it into account for the overflow.
1262 (mul_double): Rename to mul_double_with_sign.
1263 Add 'unsigned_p' parameter and take it into account for the overflow.
1264 (fold_div_compare): Call add_double_with_sign instead of add_double
1265 and mul_double_with_sign instead of mul_double, passing them the
1266 unsignedness of the type.
1267 * tree.h (add_double): Macroize.
1268 (add_double_with_sign): New prototype.
1269 (mul_double): Macroize.
1270 (mul_double_with_sign): New prototype.
1272 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1274 * config/score/crti.asm: New file.
1275 * config/score/crtn.asm: New file.
1276 * config/score/elf.h: New file.
1277 * config/score/mac.md: New file.
1278 * config/score/misc.md: New file.
1279 * config/score/mul-div.S: New file.
1280 * config/score/predicates.md: New file.
1281 * config/score/score7.md: New file.
1282 * config/score/score.c: New file.
1283 * config/score/score-conv.h: New file.
1284 * config/score/score.h: New file.
1285 * config/score/score.md: New file.
1286 * config/score/score-mdaux.c: New file.
1287 * config/score/score-mdaux.h: New file.
1288 * config/score/score-modes.def: New file.
1289 * config/score/score.opt: New file.
1290 * config/score/score-protos.h: New file.
1291 * config/score/score-version.h: New file.
1292 * config/score/t-score-elf: New file.
1293 * config.gcc: Add score*-*-* configurations(Update before).
1294 * doc/invoke.texi (Score Options): New section.
1295 * doc/md.texi (Score family): New section to document constraints.
1297 2006-10-19 Nick Clifton <nickc@redhat.com>
1299 * config/arm/arm.c: Fix spelling typo.
1301 2006-10-18 Tom Tromey <tromey@redhat.com>
1303 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1305 2006-10-18 Jan Hubicka <jh@suse.cz>
1308 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1311 2006-10-18 Marcin Dalecki <martin@dalecki.de>
1313 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1314 TSI_SAME_STMT, since that's the desired entity.
1316 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
1318 * config/s390/contraints.md: New file.
1319 * config/s390/s390-protos.h (s390_mem_constraint,
1320 s390_O_constraint_str, s390_N_constraint_str,
1321 s390_float_const_zero_p): Function prototypes added.
1322 * config/s390/s390.c (s390_extra_constraint_str,
1323 s390_const_double_ok_for_constraint_p,
1324 s390_const_ok_for_constraint_p): Functions removed.
1325 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1326 s390_float_const_zero_p): New functions.
1327 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1328 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1329 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1330 Macro definitions removed.
1331 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1332 s390_extra_constraint_str): Functions removed.
1334 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
1335 Richard Sandiford <richard@codesourcery.com>
1338 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1339 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1341 2006-10-16 Geoffrey Keating <geoffk@apple.com>
1343 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1344 (DWARF2_FRAME_REG_OUT): Likewise.
1345 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1346 (DWARF2_FRAME_REG_OUT): Likewise.
1348 2006-10-17 Paul Brook <paul@codesourcery.com>
1350 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1352 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1354 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1355 Standardize on "GNU Fortran" as the official name of the Fortran
1358 2006-10-16 Mike Stump <mrs@apple.com>
1360 * doc/invoke.texi (Darwin Options): Document -mkernel.
1361 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1363 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1364 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1365 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1366 (OS_MISSING_ALTIVEC): Add.
1367 * config/i386/i386.c (override_options): Add
1368 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1369 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1370 -mkernel, -static or -mdynamic-no-pic is given.
1371 (C_COMMON_OVERRIDE_OPTIONS): Add.
1372 * config/darwin.opt (fapple-kext): Add.
1374 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1375 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1377 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1378 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1379 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1380 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1381 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1382 (flag_mkernel): Add.
1383 (flag_apple_kext): Add.
1384 (TARGET_KEXTABI): Add.
1385 * config/darwin.c (darwin_handle_kext_attribute): Add.
1386 (DARWIN_VTABLE_P): Add.
1387 (darwin_binds_local_p): Add partial support for rebinding vtables
1389 (darwin_kextabi_p): Add.
1390 (darwin_override_options): Add.
1391 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1392 (darwin_kextabi_p): Add.
1393 (darwin_override_options): Add.
1394 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1395 __DYNAMIC__ and __STATIC__ here.
1397 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1399 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1400 Added mention of "make pdf" target, and Texinfo requirements for
1403 2006-10-16 DJ Delorie <dj@redhat.com>
1405 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1406 into the GOT in case we need a subreg of the address.
1408 2006-10-16 Richard Guenther <rguenther@suse.de>
1411 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1412 SSE builtin documentation. Document SSE2 builtins.
1414 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1416 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1417 symbol in the output file for non-shared links when -nostdlib or
1418 -nodefaultlibs isn't specified.
1420 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1421 posix thread support.
1423 2006-10-15 Jan Hubicka <jh@suse.cz>
1426 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1427 declared always_inline even when not inlining.
1429 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1430 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1431 Andrew Pinski <pinskia@gmail.com>
1434 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1436 2006-10-15 Jan Hubicka <jh@suse.cz>
1437 Richard Guenther <rguenther@suse.de>
1440 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1441 process_function_and_variable_attributes on all variables, including
1442 those discovered during cgraph construction phase.
1444 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1446 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1448 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1450 * config/i386/athlon.md (athlon_fist): Add fisttp.
1452 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1453 Ian Lance Taylor <ian@airs.com>
1456 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1457 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1460 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1462 * config/score/score.c, config/score/score.h: Fix comment
1465 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1468 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1471 2006-10-13 Eric Christopher <echristo@apple.com>
1473 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1475 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1478 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1479 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1480 alignment supported by 32-bit ELF.
1482 2006-10-13 Eric Christopher <echristo@apple.com>
1484 * config/darwin.c (darwin_emit_unwind_label): Strip
1485 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1487 2006-10-13 Richard Guenther <rguenther@suse.de>
1489 PR tree-optimization/29446
1490 * tree-vrp.c (fix_equivalence_set): Remove.
1491 (extract_range_from_assert): Do not call fix_equivalence_set.
1492 (debug_value_range): Print a newline.
1493 (compare_name_with_value): For equivalence sets with
1494 inconsistent value ranges conservatively bail out.
1495 (compare_names): Likewise.
1497 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1499 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1500 and MPFR for gfortran.
1502 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1504 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1505 alignment supported by 32-bit ELF.
1507 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1511 * c-typeck.c (digest_init): Always allow initializing vectors
1512 that have static storage duration with compound literals.
1513 * tree.c (build_type_attribute_qual_variant): New, based on
1514 build_type_attribute_variant.
1515 (build_type_attribute_variant): Rewrite using the former.
1516 (make_vector_type): Use build_type_attribute_qual_variant to build
1517 type variants. Use type_hash_canon on the others.
1519 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1520 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1522 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1524 2006-10-12 Jan Hubicka <jh@suse.cz>
1527 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1528 current_function_decl is set but current_function_scope is not.
1530 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1532 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1533 emit_insn to emit eh_return_internal instruction.
1534 (eh_return_internal): Explicitly set pc.
1536 2006-10-11 Richard Guenther <rguenther@suse.de>
1538 PR tree-optimization/28230
1539 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1540 to the correct place.
1542 2006-10-11 Richard Guenther <rguenther@suse.de>
1545 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1548 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1550 * configure.ac: Added pdf to "Make-hooks"
1551 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1552 targets and *.pdf file patterns in cleanup targets.
1553 * configure: Regenerated.
1555 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1557 * config/avr/predicates.md: New file.
1558 * config/avr/avr.md: Include it.
1559 (REG_SP): New constant.
1560 (peepholes): Use predicates.
1561 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1562 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1563 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1565 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1567 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1570 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1573 * builtins.c (var_decl_component_p): New function.
1574 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1575 single entry optimization to variables and components thereof.
1577 2006-10-10 Richard Guenther <rguenther@suse.de>
1579 PR rtl-optimization/29323
1580 * except.c (set_nothrow_function_flags): For functions
1581 that do not bind local bail out early.
1583 2006-10-10 Ben Elliston <bje@au.ibm.com>
1585 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1588 2006-10-09 Richard Henderson <rth@redhat.com>
1590 Revert emutls patch.
1592 2006-10-09 Richard Guenther <rguenther@suse.de>
1595 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1598 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1601 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1602 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1603 * configure: Regenerate.
1604 * config.in: Regenerate.
1606 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1608 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1610 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1612 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1613 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1614 Remove stray newline.
1616 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1618 * config/mips/mips.c (mips_classify_symbol): Do not return
1619 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1620 (mips_in_small_data_p): Tweak comments.
1622 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1624 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1626 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1628 * gimplify.c, sched-int.h: Fix comment typos.
1630 * sched-int.h: Fix comment typos.
1632 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1634 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1636 * sched-ebb.c (begin_schedule_ready): Use them.
1637 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1638 add_to_speculative_block, create_check_block_twin, speculate_insn,
1639 fix_jump_move, move_block_after_check): Ditto.
1640 * sched-rgn.c (new_ready): Ditto.
1642 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1644 PR rtl-optimization/29128
1645 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1646 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1647 allow interblock movement of speculation checks.
1649 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1652 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1653 casted to integer type.
1654 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1655 if they are significantly more expensive than [reg + index] ones.
1657 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1659 PR tree-optimization/29330
1660 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1661 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1662 on newly allocated ddrs.
1663 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1664 to VEC (loop_p, heap) pointer.
1665 (compute_data_dependences_for_loop): Adjust caller.
1666 (free_dependence_relations): Free DDR_LOOP_NEST.
1668 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1669 free DEPENDENCE_RELATIONS and DATAREFS.
1672 * builtins.c (expand_builtin_sync_operation,
1673 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1674 Use convert_to_mode to handle promoted arguments.
1676 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1678 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1680 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1682 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1684 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1686 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1687 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1688 Use <modeconstraint> instead of "r" as operand 1 constraint.
1690 2006-10-06 Olivier Hainque <hainque@adacore.com>
1692 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1693 Don't recurse on the pointed-to type.
1694 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1695 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1696 types with components of variable size.
1698 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1700 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1702 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1704 PR tree-optimization/29290
1705 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1709 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1710 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1713 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1714 the number of vector elements fill the rest with zeros.
1716 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1718 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1719 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1722 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1724 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1725 unnamed pattern into subsi3. Use correct constraints/predicates.
1726 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1727 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1729 2006-10-05 Ira Rosen <irar@il.ibm.com>
1731 * doc/loop.texi: Add data references analysis description.
1733 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1735 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1737 2006-10-04 Richard Henderson <rth@redhat.com>
1738 Jakub Jelinek <jakub@redhat.com>
1740 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1741 * builtin-types.def (BT_WORD): Make unsigned.
1742 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1743 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1744 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1745 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1746 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1747 * cgraph.c (decide_is_variable_needed): Look at force_output.
1748 Recurse for emulated tls.
1749 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1750 checks redundant with decide_is_variable_needed.
1751 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1752 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1754 * expr.c (emutls_var_address): New.
1755 (expand_expr_real_1): Expand emulated tls.
1756 (expand_expr_addr_expr_1): Likewise.
1757 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1758 * output.h (emutls_finish): Declare.
1759 * toplev.c (compile_file): Call it.
1760 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1761 address before wrapping in CONST.
1762 * varasm.c (emutls_htab, emutls_object_type): New.
1763 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1764 (get_emutls_object_name, get_emutls_object_type): New.
1765 (get_emutls_init_templ_addr, emutls_decl): New.
1766 (emutls_common_1, emutls_finish): New.
1767 (assemble_variable): When emulating tls, swap decls; generate
1768 constructor for the emutls objects.
1769 (do_assemble_alias): When emulating tls, swap decl and target name.
1770 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1772 * emutls.c: New file.
1773 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1774 tls_object for real tls.
1776 2006-10-04 Zack Weinberg <zackw@panix.com>
1778 Fix bug in constraint-check generator, reported by Rask Ingemann
1780 * genpreds.c (add_constraint): Don't remove anything from the
1782 (write_tm_constrs_h): Detect whether "op" argument is used, and
1783 mark it ARG_UNUSED if it isn't.
1784 (write_insn_const_int_ok_for_constraint): Skip the part of the
1785 expression that would test whether "op" (which is not available
1786 here) is a CONST_INT.
1788 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1791 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1793 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1795 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1796 current Leopard versions.
1797 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1799 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1801 * doc/install.texi: Fix typos.
1803 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1805 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1806 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1807 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1809 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1811 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1812 arg to be struct mach_header_64* instead.
1814 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1817 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1818 side effects after the outer expression's post side effects.
1820 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1822 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1823 comments to reflect actual behavior and relationship between
1824 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1826 * doc/c-tree.texi (Working with declarations): Fix documentation
1827 of FIELD_DECL likewise.
1829 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1832 * doc/extend.texi: Add used variable attribute description.
1834 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1837 * c.opt (Woverride-init): New.
1838 * c-opts.c (c_common_post_options): Default warn_override_init to
1840 * c-typeck.c (add_pending_init, output_init_element): Warn for
1841 overriding initializers without side effects.
1842 * doc/invoke.texi (-Woverride-init): Document.
1845 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1847 PR rtl-optimization/28096
1848 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1849 assignment has already been used as a destination earlier in the block.
1851 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1853 * builtins.c (expand_builtin_setjmp): Delete.
1854 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1855 <BUILT_IN_SETJMP_SETUP>: New case.
1856 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1857 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1858 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1859 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1860 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1861 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1862 (lower_function_body): Initialize it to false. If it is set to true
1863 at the end of the processing, emit the setjmp dispatcher.
1864 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1865 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1866 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1867 on the rhs of the assignment.
1868 (lower_builtin_setjmp): New function.
1869 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1870 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1871 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1872 to detect calls that can go to non-local labels. Use specific
1873 helper to create the abnormal edges associated with them.
1874 <MODIFY_EXPR>: Likewise.
1875 (make_abnormal_goto_edges): New function extracted from...
1876 (make_goto_expr_edges): ...here. Call it for computed gotos.
1877 (simple_goto_p): Minor tweak.
1878 (tree_can_make_abnormal_goto): New predicate.
1879 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1880 (tree_purge_dead_abnormal_call_edges): New function.
1881 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1882 (tree_purge_dead_abnormal_call_edges): Likewise.
1883 (make_abnormal_goto_edges): Likewise.
1884 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1885 Purge all dead abnormal edges if the call was in the last statement.
1886 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1887 (execute_fixup_cfg): If there are non-local labels in the function,
1888 scan the basic blocks and split them at calls that can go to non-local
1889 labels or add missing abnormal call edges. Write down the CFG in the
1891 (pass_fixup_cfg): Remove TODO_dump_func flag.
1892 * unwind-sjlj.c: Poison setjmp.
1893 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1894 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1895 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1896 (DONT_USE_BUILTIN_SETJMP): Document it.
1898 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1901 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1902 to 1 when __ppc64__ is defined.
1903 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1905 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1907 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1909 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1910 * config/ia64/unwind-hpux.c: Delete.
1912 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1914 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1915 on the element before gimplifying it, instead of punting if it is of
1918 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1920 * doc/loop.texi: New file.
1921 * doc/gccint.texi: Reference loop.texi.
1922 * Makefile.in (loop.texi): Add.
1924 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1926 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1928 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1929 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1931 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
1933 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
1935 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
1937 * doc/install.texi: Document required versions of GMP and MPFR.
1939 2006-09-27 Paul Brook <paul@codesourcery.com>
1942 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
1944 2006-09-27 Richard Sandiford <richard@codesourcery.com>
1946 * reload1.c (alter_reg): Require the alignment of the stack slot to
1947 be at least reg_max_ref_width bytes.
1948 (scan_paradoxical_subregs): Record the largest width in
1951 2006-09-26 Jakub Jelinek <jakub@redhat.com>
1955 * tree-nested.c (struct nesting_info): Added static_chain_added.
1956 (convert_call_expr): Set static_chain_added when adding static
1957 chain. Handle OMP_PARALLEL and OMP_SECTION.
1959 2006-09-25 Matthias Klose <doko@debian.org>
1961 * doc/invoke.texi: Add missing full stop.
1963 2006-09-25 Richard Henderson <rth@redhat.com>
1965 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1966 before cgraph_function_flags_ready.
1968 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1969 Adam Nemet <anemet@caviumnetworks.com>
1971 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1972 determine_common_wider_type): New functions.
1973 (get_computation_aff): Use them to simplify arithmetic between
1974 UBASE and CBASE if they are shortened from the same type.
1976 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1979 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1980 -2147483647 - 1 instead of 0x80000000.
1982 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1984 * flags.h (HONOR_NANS): Fix typo in comment.
1986 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1988 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1990 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1994 * tree.c (merge_attributes, attribute_list_contained): If both
1995 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1997 * c-typeck.c (comptypes_internal): Don't consider aggregates
1998 in different TUs as compatible if there one set of attributes is
1999 not a subset of the other type's attributes.
2000 (composite_type): Try harder not to create a new aggregate type.
2002 2006-09-22 Geoffrey Keating <geoffk@apple.com>
2004 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
2005 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
2006 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
2007 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
2008 than replicating condition above.
2009 * config.host (i[34567]86-*-*): Always use driver-i386.o.
2011 * config/darwin.h (LINK_SYSROOT_SPEC): New.
2012 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
2013 the linker by default.
2015 2006-09-22 Mike Stump <mrs@apple.com>
2017 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
2020 2006-09-22 Richard Guenther <rguenther@suse.de>
2023 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
2024 sort of stack variables stable.
2026 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
2029 * explow.c (force_reg): Set REG_POINTER flag according to
2032 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
2034 PR tree-optimization/28888
2035 * tree-if-conv.c (combine_blocks): Rewritten.
2036 * tree-cfg.c (tree_verify_flow_info): Check that edges with
2037 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2039 2006-09-22 Jakub Jelinek <jakub@redhat.com>
2041 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
2044 2006-09-21 Richard Sandiford <richard@codesourcery.com>
2046 * varasm.c (copy_constant): Fix reversed gcc_assert check.
2048 2006-09-21 Janis Johnson <janis187@us.ibm.com>
2050 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2052 2006-09-21 Roger Sayle <roger@eyesopen.com>
2055 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2056 dw_fde_current_label, to be the start of the function, i.e. the same
2057 value as dw_fde_begin.
2059 2006-09-20 Richard Sandiford <richard@codesourcery.com>
2061 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2062 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2063 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
2064 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
2065 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
2066 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
2067 (abs<mode>2, neg<mode>2): Likewise.
2068 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
2069 (*mips_abs_ps): New define_insn.
2071 2006-09-20 Josh Conner <jconner@apple.com>
2074 * calls.c (expand_call): Allow reuse of structure return stack
2077 2006-09-20 Paul Brook <paul@codesourcery.com>
2079 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
2082 2006-09-20 Janis Johnson <janis187@us.ibm.com>
2084 * doc/extend.texi (Decimal Float): Update for latest draft TR,
2085 clean up terminology.
2087 2006-09-20 Steve Ellcey <sje@cup.hp.com>
2090 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
2091 with tablejumps in them.
2093 2006-09-20 Jakub Jelinek <jakub@redhat.com>
2096 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
2097 wrap it into TARGET_EXPR.
2099 2006-09-20 Eric Christopher <echristo@apple.com>
2101 * config/i386/i386.c (x86_fisttp): Remove.
2102 * config/i386/i386.h (x86_fisttp): Ditto.
2103 (TARGET_FISTTP): Ditto.
2105 2006-09-19 Eric Christopher <echristo@apple.com>
2107 * doc/tm.texi (OBJC_JBLEN): Describe.
2108 * config/i386/darwin.h (OBJC_JBLEN): Define.
2109 * config/rs6000/darwin.h: Ditto.
2111 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
2113 PR rtl-optimization/21299
2114 * reload1.c (reload): Purge invalid ASMs in the final pass.
2116 2006-09-19 Steve Ellcey <sje@cup.hp.com>
2119 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
2120 pointers as legitimate constants.
2122 2006-09-19 Paul Brook <paul@codesourcery.com>
2125 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2127 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
2129 PR tree-optimization/28887
2130 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2131 component parts from the reference.
2132 (gather_memory_references_ref): Record the reference without the
2133 nonaddressable component parts.
2135 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
2138 * c-opts.c (c_common_handle_option): Ignore the -std options
2139 if the input language is assembly.
2141 2006-09-17 Ira Rosen <irar@il.ibm.com>
2144 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2146 (ptr_ptr_may_alias_p): Likewise.
2147 (record_record_differ_p): New function.
2148 (base_object_differ_p): Call record_record_differ_p.
2150 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2153 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2154 away for the expr argument.
2156 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2159 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2160 before using it for dumping after vectorizing loops.
2162 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2163 Jack Howarth <howarth@bromo.med.uc.edu>
2166 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2167 skip on error_mark_node.
2168 (rs6000_darwin64_record_arg_recurse): Likewise.
2170 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2172 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2173 * doc/rtl.texi: Remove related documentation.
2175 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
2177 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2180 2006-09-15 Jim Wilson <wilson@specifix.com>
2182 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2183 Handle symbol offsets same as they are handled in ia64_expand_move
2186 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
2188 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2189 Add forgotten parameter to the fprintf call.
2191 2006-09-15 Steve Ellcey <sje@cup.hp.com>
2193 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2195 2006-09-15 Uros Bizjak <uros@kss-loka.si>
2197 * doc/contrib.texi: Add my entry.
2199 2006-09-15 Nick Clifton <nickc@redhat.com>
2201 * doc/md.texi (Processor pipeline description): Fix typo in
2202 example of how to use the absence_set directive and reword the
2203 description to make it slightly easier to read.
2205 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
2207 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2208 * loop-doloop.c (doloop_optimize): Use it to limit costs of
2209 expanding the number of iterations.
2210 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2212 * cfgrtl.c (emit_insn_at_entry): New function.
2213 * rtl.h (emit_insn_at_entry): Declare it.
2214 * integrate.c (emit_initial_value_sets): Use it.
2216 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2218 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2220 (struct loop_work and related VEC declarations): Delete.
2221 (bfin_dump_loops): Print out new member bad.
2222 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
2223 (bfin_scan_loop): Don't recurse.
2224 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2225 loops. No longer need to update outer loops if the current one is
2226 found bad. Move some validitiy checks to bfin_discover_loop.
2227 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2228 but changed not to check for nesting. Also changed to use the new bad
2230 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2231 time. Use bitmap based test to discover loop nesting.
2233 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
2235 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2238 2006-09-14 Richard Guenther <rguenther@suse.de>
2239 Kazu Hirata <kazu@codesourcery.com>
2241 PR middle-end/28884.
2242 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2243 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2244 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2245 with TARGET_FUNCTION_VALUE.
2247 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2250 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2252 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2254 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2257 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2260 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2263 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2265 * basic_block.h (bb_has_eh_pred): Fix comment.
2267 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2269 * flow.c (calculate_global_regs_live): Invalidate eh registers
2270 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2271 (propagate_block): Handle eh registers as if they were set at basic
2273 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2275 * global.c (global_conflicts): Make eh registers to conflict with
2276 pseudos live at basic block begin.
2277 * basic_block.h (bb_has_eh_pred): New function.
2279 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2281 PR rtl-optimization/28982
2282 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2283 index of a PRE_MODIFY or POST_MODIFY address.
2284 * reload1.c (inc_for_reload): Use find_replacement on the original
2285 base and index registers.
2287 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2289 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2290 for -Os. Update __m128 alignment requirement.
2292 2006-09-13 Jan Hubicka <jh@suse.cz>
2294 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2296 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2298 PR rtl-optimization/28243
2299 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2300 the insn to which the note was originally attached.
2302 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2303 Roger Sayle <roger@eyesopen.com>
2305 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2306 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2307 on platforms that don't use dwarf for debug info.
2309 2006-09-12 Jason Merrill <jason@redhat.com>
2312 * builtins.c (expand_builtin_setjmp_receiver): Clobber
2313 hard_frame_pointer_rtx after using it to update the frame pointer.
2315 2006-09-12 Roger Sayle <roger@eyesopen.com>
2317 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2318 (TARGET_ASM_CLOSE_PAREN): Likewise.
2319 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2320 (TARGET_ASM_CLOSE_PAREN): Likewise.
2322 2006-09-12 Roger Sayle <roger@eyesopen.com>
2325 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2326 frame information for frames larger than 512 Kbytes on Tru64 when
2327 using the native assembler.
2329 2006-09-12 Roger Sayle <roger@eyesopen.com>
2333 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2334 and symbols. Instead use the implementation from cse.c's hash_rtx.
2336 2006-09-12 Jan Hubicka <jh@suse.cz>
2338 PR rtl-optimization/28071
2339 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2340 (vect_transform_loop): Likewise.
2341 * tree-vectorizer.c (new_loop_vec_info): Likewise.
2342 (new_loop_vec_info): Likewise.
2343 (destroy_loop_vec_info): Likewise.
2344 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2345 (create_stmt_ann): Likewise.
2346 (create_tree_ann): Rename to ...
2347 (create_tree_common_ann): ... this one; allocate only the common part
2349 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2350 (get_value_handle): Likewise.
2351 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2352 get_tree_common_ann.
2353 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2354 (vinfo_for_stmt): Use stmt annotations.
2355 * tree-flow.h (tree_ann_common_t): New type.
2356 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2357 (tree_ann, get_tree_ann, create_tree_ann): New.
2358 * tree-flow-inline.h (get_function_ann): Do more type checking.
2359 (stmt_ann): Likewise.
2360 (tree_ann): Rename to ...
2361 (tree_common_ann): ... this one; return ony common_ann
2362 (get_tree_ann): Rename to ...
2363 (tree_common_ann): This one; return only common_ann.
2364 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2367 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2369 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2370 with_cpu by default.
2372 * dwarf2out.c (dwarf_file_data): New.
2373 (enum dw_val_class): Add dw_val_class_file.
2374 (struct dw_val_struct): Add val_file.
2375 (file_table): Change to a hash table.
2376 (file_table_emitted): Delete.
2377 (file_table_last_lookup_index): Delete.
2378 (emitcount): Delete.
2379 (last_emitted_file): New.
2380 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2381 (init_file_table): Delete.
2382 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2383 (AT_addr): Add comment.
2387 (print_die): Handle dw_val_class_file.
2388 (print_dwarf_line_table): Update for new file table structure.
2389 (attr_checksum): Do checksum a filename.
2390 (same_dw_val_p, same_attr_p): Do compare a filename.
2391 (size_of_die): Handle dw_val_class_file.
2392 (value_format): Likewise.
2393 (output_die): Likewise. Also, call maybe_emit_file here.
2394 (struct file_info): Constify filenames. Make file_idx a pointer
2395 to a struct dwarf_file_data.
2396 (struct dir_info): Constify directory names. Remove 'used' field.
2397 (struct file_name_acquire_data): New.
2398 (file_name_acquire): New.
2399 (output_file_names): Modify to handle new file data structures.
2400 (add_src_coords_attributes): Use add_AT_file.
2401 (add_call_src_coords_attributes): Likewise.
2402 (dwarf2out_imported_module_or_decl): Likewise.
2403 (gen_subprogram_die): Modify for new file data structures.
2404 (gen_variable_die): Likewise.
2405 (file_table_eq): New.
2406 (file_table_hash): New.
2407 (file_table_last_lookup): New.
2408 (lookup_filename): Rewrite to handle new file data structures.
2409 (maybe_emit_file): Rewrite to handle new file data structures.
2410 (dwarf2out_source_line): Always call lookup_filename and
2412 (dwarf2out_init): Create file_table here.
2413 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2414 (file_table_relative_p): New.
2415 (dwarf2out_finish): Change detection of relative filenames
2416 to work with new file data structures. Move output_line_info call
2417 after debug_info output.
2419 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2424 * config/i386/i386.c (override_options): Always default to 16
2425 byte stack boundary.
2427 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2430 * var-tracking.c (dump_dataflow_set): Start dumping at
2432 (clobber_variable_part): Kill only the variable part in
2433 registers holding it, leaving other variables alone.
2435 2006-09-11 Josh Triplett <josh@freedesktop.org>
2437 * doc/extend.texi (Other Builtins): Actually use the macro
2438 argument in the documentation example for
2439 __builtin_types_compatible_p.
2441 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2443 PR rtl-optimization/28726
2444 * sched-deps.c (sched_analyze_reg): New function extracted from...
2445 (sched_analyze_1): ...here. Call it to analyze references to
2446 registers. Treat again writes to a stack register as writing to the
2448 (sched_analyze_2): ...and here. Call it to analyze references to
2449 registers. Treat again reads of a stack register as reading the
2452 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2453 David Edelsohn <edelsohn@gnu.org>
2456 * config/rs6000/spe.md (frob_df_di): Remove %H.
2457 (frob_di_df): Remove %H. Change evmergelo to mr.
2458 (frob_di_df_2): Remove %H. Change evldd to two loads.
2460 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2462 * doc/cpp.texi: Fix names of charset options.
2464 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2467 * config/i386/i386.c (override_options): Use 128-bit
2468 stack boundary always for 64bits.
2470 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2472 PR rtl-optimization/28636
2473 * combine.c (force_to_mode): Test for side-effects before
2474 substituting by zero.
2475 (simplify_shift_const): Likewise for zero or other constants.
2477 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2480 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2483 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2486 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2487 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2488 returned by mode_for_size, rather than the mode of src itself,
2489 to choose between 32-bit and 64-bit patterns.
2490 (mips_mem_fits_mode_p): New function.
2491 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2492 that the size of the source matches the size of the destination.
2493 (mov_<store>l, mov_<store>r): Likewise.
2495 2006-09-10 Eric Christopher <echristo@apple.com>
2497 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2500 2006-09-09 Eric Christopher <echristo@apple.com>
2503 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2506 2006-09-09 Roger Sayle <roger@eyesopen.com>
2507 Nicolas Setton <setton@adacore.com>
2509 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2511 2006-09-10 Andreas Schwab <schwab@suse.de>
2513 * config/m68k/m68k.md (bungt_rev): New pattern.
2515 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2516 Dale Johannesen <dalej@apple.com>
2519 * regclass.c (struct reg_pref): Update documentation.
2520 (regclass): Set prefclass to NO_REGS if memory is the best option.
2521 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2523 2006-09-08 Eric Christopher <echristo@apple.com>
2525 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2526 * config/t-slibgcc-darwin: Support x86_64 multilib.
2527 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2528 Return 1 for x86_64-darwin.
2529 * config/i386/t-darwin: Add m64 multilib.
2530 (LIB2_SIDITI_CONV_FUNCS): Use.
2531 (LIB2FUNCS_EXTRA): Ditto.
2532 * config/i386/darwin.h: Support x86_64.
2533 * config/i386/i386.c (override_options): Turn on flag_pic
2534 for x86_64-darwin. Disable flag_omit_pointer.
2535 (get_pc_thunk_name): Assert !TARGET_64BIT.
2536 (legitimate_address_p): Disable machopic addressing for
2538 (legitimize_pic_address): Ditto.
2539 (ix86_expand_move): Ditto.
2540 (ix86_expand_call): Ditto.
2541 (machopic_output_stub): Ditto.
2542 * config/darwin.c (machopic_select_section): Support literal16.
2543 (machopic_select_rtx_section): Ditto.
2544 * config/darwin-sections.def: Ditto.
2545 * config/darwin-64.c: New.
2547 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2550 * c-tree.h (struct c_arg_info): Add pending_sizes.
2551 * c-parser.c (c_parser_parms_declarator,
2552 c_parser_parms_list_declarator): Initialize pending_sizes.
2553 * c-decl.c (get_parm_info): Initialize pending_sizes.
2554 (get_parm_info): Set pending_sizes.
2555 (grokdeclarator): Call put_pending_sizes for parameters for
2556 function definition only.
2558 2006-09-07 Jason Merrill <jason@redhat.com>
2561 * varasm.c (output_constant): Only strip actual no-op conversions.
2564 * config/i386/i386.c (override_options): Use 128-bit
2565 stack boundary if -msse.
2567 2006-09-07 Eric Christopher <echristo@apple.com>
2569 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2571 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2574 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2576 * dwarf2out.c: Remove strange characters from comment above
2577 dwarf2out_frame_debug_expr.
2579 2006-09-07 Eric Christopher <echristo@apple.com>
2581 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2582 * config/darwin.h: ... to here.
2584 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2586 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2588 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2589 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2591 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2592 TARGET_PARTIAL_FLAG_REG_STALL.
2593 (*ashldi3_cconly_rex64): Likewise.
2594 (*ashlsi3_cmp): Likewise.
2595 (*ashlsi3_cconly): Likewise.
2596 (*ashlsi3_cmp_zext): Likewise.
2597 (*ashlhi3_cmp): Likewise.
2598 (*ashlhi3_cconly): Likewise.
2599 (*ashlqi3_cmp): Likewise.
2600 (*ashlqi3_cconly): Likewise.
2601 (*ashrdi3_cmp_rex64): Likewise.
2602 (*ashrdi3_cconly_rex64): Likewise.
2603 (*ashrsi3_cmp): Likewise.
2604 (*ashrsi3_cconly): Likewise.
2605 (*ashrsi3_cmp_zext): Likewise.
2606 (*ashrhi3_cmp): Likewise.
2607 (*ashrhi3_cconly): Likewise.
2608 (*ashrqi3_cmp): Likewise.
2609 (*ashrqi3_cconly): Likewise.
2610 (*lshrdi3_cmp_rex64): Likewise.
2611 (*lshrdi3_cconly_rex64): Likewise.
2612 (*lshrsi3_cmp): Likewise.
2613 (*lshrsi3_cconly): Likewise.
2614 (*lshrsi3_cmp_zext): Likewise.
2615 (*lshrhi3_cmp): Likewise.
2616 (*lshrhi3_cconly): Likewise.
2617 (*lshrqi2_cmp): Likewise.
2618 (*lshrqi2_cconly): Likewise.
2620 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2623 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2624 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2625 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2626 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2627 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2628 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2629 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2630 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2631 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2632 implement only CC setting effects of shift instructions.
2634 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2636 * doc/contrib.texi: Add myself.
2638 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2641 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2642 was set by the user.
2644 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2647 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2648 (divsi_inv_m1): Use them.
2649 (UNSPEC_DIV_INV_TABLE): New constant.
2651 2006-09-06 James E Wilson <wilson@specifix.com>
2654 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2655 then call count_or_remove_death_notes.
2657 2006-09-06 Jason Merrill <jason@redhat.com>
2660 * tree-inline.c (copy_result_decl_to_var): New fn.
2661 (declare_return_variable): Use it. Call declare_inline_vars here.
2662 (expand_call_inline): Not here.
2664 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2666 * doc/contrib.texi: Update my entry.
2668 2006-09-06 Nick Clifton <nickc@redhat.com>
2670 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2672 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2675 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2676 (canonicalize_induction_variables): Likewise.
2677 (tree_unroll_loops_completely): Likewise.
2678 (tree_ssa_prefetch_arrays): Likewise.
2679 (remove_empty_loops): Likewise.
2680 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2681 TODO_cleanup_cfg instead of directly calling
2682 cleanup_tree_cfg_loop.
2683 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2685 (tree_unroll_loops_completely): Likewise.
2686 (remove_empty_loops): Likewise.
2687 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2688 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2689 of tree_ssa_unswitch_loops.
2690 (tree_ssa_loop_ivcanon): Use the return value of
2691 canonicalize_induction_variables.
2692 (tree_ssa_empty_loop): Use the return value of
2694 (tree_complete_unroll): Use the return value of
2695 tree_unroll_loops_completely.
2696 (tree_ssa_loop_prefetch): Use the return value of
2697 tree_ssa_prefetch_arrays.
2698 * passes.c (execute_todo): Before Cleanup CFG, set
2699 updating_used_alone and after cleanup CFG, call
2700 recalculate_used_alone.
2702 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2705 * tree-vect-transform.c (vectorizable_condition): Move the check
2706 for the type after the check for simple condition.
2708 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2709 Kaz Kojima <kkojima@gcc.gnu.org>
2712 * mode-switching.c (optimize_mode_switching): Make the destination
2713 block of an abnormal edge have no anticipatable mode. Don't
2714 insert mode switching code at the end of the source block of
2717 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2719 PR rtl-optimization/26847
2720 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2721 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2722 (simplify_plus_minus): Count n_constants while filling ops. Replace
2723 qsort with insertion sort. Before going through the array to simplify
2724 pairs, sort it. Delay early exit until after the first sort, exiting
2725 only if no swaps occurred. Simplify pairs in reversed order, without
2726 special-casing the first iteration. Pack ops after simplifying pairs.
2728 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2730 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2731 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2732 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2733 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2735 2006-09-05 Richard Guenther <rguenther@suse.de>
2737 PR tree-optimization/28900
2738 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2739 compound conditional before creating COND_EXPR condition.
2741 2006-09-05 Richard Guenther <rguenther@suse.de>
2743 PR tree-optimization/28905
2744 * tree-vrp.c (fix_equivalence_set): Manually implement
2745 !value_ranges_intersect_p to also handle symbolic ranges.
2747 2006-09-05 Richard Guenther <rguenther@suse.de>
2750 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2753 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2755 PR rtl-optimization/27616
2756 * cse.c (table_size): New static variable.
2757 (new_basic_block): Initialize it to 0.
2758 (remove_from_table): Decrement it.
2759 (insert): Increment it.
2760 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2761 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2762 fold_rtx_mem_1 if under the cap.
2763 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2764 the lookup of the equivalent expression and test for equality of the
2765 first operand of the equivalent expression before in turn looking up
2766 an equivalent constant for the second operand.
2768 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2771 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2772 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2773 pointer, instead of assuming it is possible to derive the
2774 correct args size from a call insn.
2776 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2779 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2780 (fold_builtin_mempcpy): Rename to...
2781 (fold_builtin_memory_op): ... this. Optimize one element copy
2783 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2785 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2786 (expand_builtin_memcpy, expand_builtin_mempcpy,
2787 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2788 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2789 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2790 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2792 2006-09-01 DJ Delorie <dj@redhat.com>
2794 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2795 (stzx_16): Likewise.
2796 ("stzx_24_<mode>"): Likewise.
2797 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2798 ("cmp<mode>_op"): New.
2799 (cmp<mode>): Change to expander; just save operands.
2801 (b<code>): Change to expander, emit compare here.
2802 (s<code>_op): Change to use split and expander.
2803 (s<code>_24_op): Likewise.
2804 (s<code>_<mode>): New.
2805 (s<code>_<mode>_24): New.
2806 (movqicc_<code>_<mode): New.
2807 (movhicc_<code>_<mode>): New.
2810 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2811 (m32c_pend_compare): New.
2812 (m32c_unpend_compare): New.
2813 (m32c_expand_scc): New.
2814 (m32c_expand_movcc): Emit the compare also.
2815 * config/m32c/predicates.md (mra_nopp_operand): New.
2817 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2818 Richard Guenther <rguenther@suse.de>
2819 Adam Nemet <anemet@caviumnetworks.com>
2822 * builtins.c (get_pointer_alignment): Handle more forms
2823 of base addresses that can be used to derive more precise
2824 information about alignment.
2826 2006-09-01 Jason Merrill <jason@redhat.com>
2829 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2832 * gimplify.c (voidify_wrapper_expr): Handle null type.
2834 2006-09-01 Josh Conner <jconner@apple.com>
2837 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2838 (execute_return_slot_opt): Use it.
2840 2006-08-31 Josh Conner <jconner@apple.com>
2843 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2844 returning aggregates.
2846 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2848 PR tree-optimization/28839
2849 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2850 blocks in that phi arguments appear.
2852 2006-08-31 Roger Sayle <roger@eyesopen.com>
2855 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2856 NULL, otherwise use an advance_loc4 to adjust relative to the
2858 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2859 (dwarf2out_switch_text_section): Reset the current label to avoid
2860 using advance_loc4 over section boundaries.
2862 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2865 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2866 r12 + SYMBOLIC_CONST.
2868 2006-08-30 Richard Guenther <rguenther@suse.de>
2870 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2872 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2874 PR rtl-optimization/27735
2875 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2876 Add new argument to keep track of whether an irreducible region
2877 was affected. All callers changed.
2878 (fix_irreducible_loops): Removed.
2879 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2880 flags were invalidated.
2882 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2884 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2885 instead of SF operands.
2886 (*fop_df_comm_sse): Likewise.
2887 (*fop_df_comm_i387): Likewise.
2888 (*fop_df_1_mixed): Likewise.
2889 (*fop_df_1_sse): Likewise.
2891 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2892 J"orn Rennecke <joern.rennecke@st.com>
2894 PR tree-optimization/17506
2895 * tree-ssa.c (warn_uninit): If warning about a location outside of
2896 the current function, note where the variable was declared.
2898 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2900 PR tree-optimization/28411
2901 * double-int.c (double_int_div): Use double_int_divmod.
2902 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2903 double_int_mod, double_int_smod, double_int_umod): New functions.
2904 * double-int.h (double_int_divmod, double_int_sdivmod,
2905 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2907 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2909 (get_computation_aff, get_computation_cost_at): Handle double_int
2910 return type of constant_multiple_of.
2912 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2915 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2916 an implicit conversion.
2918 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2920 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2922 2006-08-27 Roger Sayle <roger@eyesopen.com>
2924 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2927 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2929 * config/i386/crtfastmath.c: Fix a comment typo.
2931 2006-08-26 Roger Sayle <roger@eyesopen.com>
2933 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
2934 temporary visit flags on CASE_LABEL_EXPRs.
2935 * c-common.c (match_case_to_enum): Add function comment. Avoid
2936 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
2937 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
2938 CASE_HIGH_SEEN for enumerated types. If the switch expression is
2939 a constant, only warn if that constant value isn't handled.
2941 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
2944 * input.h (restore_input_file_stack): Declare.
2945 (INPUT_FILE_STACK_BITS): Define.
2946 * toplev.c (fs_p, input_file_stack_history,
2947 input_file_stack_restored, restore_input_file_stack): New.
2948 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
2949 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
2950 (pop_srcloc): Don't free old state of stack.
2952 2006-08-26 David Edelsohn <edelsohn@gnu.org>
2955 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2956 (PowerPC Type Attributes): New.
2958 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2960 * config/xtensa/xtensa.c (function_arg_boundary): New.
2961 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2963 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2964 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2966 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2969 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2972 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2974 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2975 (verify_local_live_at_start): Likewise.
2977 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2980 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2981 omp_add_variable): Treat sizes as variable whenever not
2984 2006-08-26 Richard Guenther <rguenther@suse.de>
2987 * fold-const.c (fold_binary): Fold temporary to correct
2988 type before constructing new comparison.
2990 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2993 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2994 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2996 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2999 * c-decl.c (start_function): Don't try to process prototype
3000 information from old declaration that isn't a function.
3002 2006-08-25 Jan Hubicka <jh@suse.cz>
3005 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
3007 2006-08-25 Alan Modra <amodra@bigpond.net.au>
3010 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
3013 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
3015 PR tree-optimization/16876
3016 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
3017 exit if PARM doesn't match VALUE.
3019 2006-08-25 Bob Wilson <bob.wilson@acm.org>
3021 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
3022 literal_prefix directive.
3023 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
3024 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3025 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3027 2006-08-25 David Edelsohn <edelsohn@gnu.org>
3030 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
3031 predicate to general_operand. Add 0->y and I->r alternatives.
3033 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
3035 * doc/tm.texi: Fix a typo.
3036 * predict.c: Fix comment typos.
3038 2006-08-25 Nick Clifton <nickc@redhat.com>
3040 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
3041 assertions of "cpu" and "machine".
3043 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
3046 * tree-ssa-operands.c (access_can_touch_variable): Don't say
3047 the access through a base which has an alias set of 0 cannot
3050 2006-08-24 Bill Wendling <wendling@apple.com>
3052 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3054 2006-08-24 Jan Hubicka <jh@suse.cz>
3056 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3058 2006-08-24 Jan Hubicka <jh@suse.cz>
3061 * cgraph.c: Fix comments.
3062 (cgraph_varpool_mark_needed_node): Mark only variables not already
3064 * cgraphunit.c: Update comments; include gt-cgraphunit.h
3065 (cgraph_varpool_assembled_nodes_queue): New static variable.
3066 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
3067 (cgraph_varpool_output_debug_info): New function.
3068 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
3069 * Makefile.in: Add gt-cgraphunit.h
3071 2006-08-24 Jan Hubicka <jh@suse.cz>
3073 * predict.c (probability_reliable_p): New predicate.
3074 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3075 (predict_loops): Do not predict loop exit with less than 2%
3077 * basic-block.h (edge_probability_reliable_p,
3078 br_prob_note_reliable_p): Declare.
3079 * ia64.h (ia64_print_operand): Do not disable on-chip branch
3080 prediction when static predictor is not reliable.
3081 * rs6000.c (output_cbranch): Likewise.
3083 2006-08-23 Stuart Hastings <stuart@apple.com>
3086 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
3087 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
3089 2006-08-21 Geoffrey Keating <geoffk@apple.com>
3092 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
3093 complex values, nor for generic vector values.
3095 2006-08-22 Richard Guenther <rguenther@suse.de>
3098 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
3099 parameter. Convert arguments to arithmetic expression to the
3101 (analyze_scalar_evolution_1): Adjust caller.
3103 2006-08-22 Jan Hubicka <jh@suse.cz>
3105 Patch by Paolo Bonzini
3106 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
3109 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
3111 PR tree-optimization/28003
3112 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
3113 before grouping aliases.
3115 2006-08-22 Roger Sayle <roger@eyesopen.com>
3117 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
3118 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
3120 2006-08-21 Jason Merrill <jason@redhat.com>
3123 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3124 wrapper. Loop to handle nested wrappers.
3125 (gimplify_bind_expr): Remove temp parameter.
3126 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3127 and STATEMENT_LIST on the rhs.
3128 (gimplify_statement_list): Voidify the STATEMENT_LIST.
3129 (gimplify_expr): Pass pre_p to gimplify_statement_list.
3130 (gimplify_target_expr): Remove special BIND_EXPR handling.
3132 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
3134 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3137 2006-08-21 Olivier Hainque <hainque@adacore.com>
3139 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3140 Arrange for the temporary captures of components overlapping the lhs
3141 to happen before the lhs is possibly cleared.
3143 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
3145 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3146 necessary places to pass the correct "number of registers" values
3149 2006-08-20 Jan Hubicka <jh@suse.cz>
3151 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
3152 (create_name_tags): Instead of quadratic checking use hashtable.
3153 * bitmap.h: Include hashtab.h.
3154 (bitmap_hash): Declare.
3155 * bitmap.c (bitmap_hash): New function.
3157 2006-08-20 Jan Hubicka <jh@suse.cz>
3159 PR rtl-optimization/28071
3160 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3162 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3163 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3164 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3165 cgraph_decide_inlining_incrementally): Update use of
3166 cgraph_check_inline_limits.
3167 * cgraph.c (edge_hash, edge_eq): New function.
3168 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3169 cgraph_edge_remove_caller, cgraph_node_remove_callees,
3170 cgraph_remove_node): Maintain call site hash.
3171 * cgraph.h (struct cgraph_node): Add call_site_hash.
3172 (cgraph_set_call_stmt): New function.
3174 2006-08-20 Jan Hubicka <jh@suse.cz>
3176 PR rtl-optimization/28071
3177 * reload1.c (reg_has_output_reload): Turn into regset.
3178 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3179 choose_reload_regs, emit_reload_insns): Update to new
3180 reg_has_output_reload.
3182 2006-08-20 Jan Hubicka <jh@suse.cz>
3185 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3186 function body sizes.
3187 * cgraphunit.c (cgraph_analyze_function): Don't do so.
3189 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
3192 * tree.c (handle_dll_attribute): Return early if not a
3193 var or function decl.
3195 2006-08-18 Joseph Myers <joseph@codesourcery.com>
3198 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3199 alignment of SPE vector types.
3201 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
3203 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3205 2006-08-17 Jakub Jelinek <jakub@redhat.com>
3208 * cgraph.h (struct cgraph_node): Remove externally_visible
3210 * cgraphunit.c (process_function_and_variable_attributes): Set
3211 local.externally_visible rather than externally_visible.
3214 * c-common.c (handle_externally_visible_attribute): First look
3215 at TREE_CODE and only if it is function or var decl, check for
3216 non-public objects. Don't warn for DECL_EXTERNAL.
3217 * cgraphunit.c (process_function_and_variable_attributes): Warn
3218 if externally_visible attribute is used on non-public object.
3220 2006-08-17 Jan Hubicka <jh@suse.cz>
3222 PR tree-optimization/27865
3223 * reload1.c (forget_marked_reloads): New function.
3224 (forget_old_reloads_1): When data are passed, just mark the registers
3226 (reload_as_needed): Use the new mechanizm.
3228 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
3231 * reload.h (reg_equiv_alt_mem_list): New declaration.
3232 * reload1.c (reg_equiv_alt_mem_list): New definition.
3233 (reload): Initialize it and release it.
3234 (delete_output_reload): Use it.
3235 * reload.c (push_reg_equiv_alt_mem): New function.
3236 (find_reloads_toplev): Call it.
3237 (find_reloads_address, find_reloads_address_1): Likewise.
3238 (find_reloads_subreg_address): Likewise.
3240 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3242 PR rtl-optimization/28489
3243 * sched-ebb.c (begin_schedule_ready): Create basic block
3245 (advance_target_bb): Skip empty blocks.
3246 * haifa-sched.c (bb_note): Make global.
3247 * sched-int.h (bb_note): Add prototype.
3249 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3251 PR tree-optimization/27865
3252 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3254 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3255 fold_used_pointer, pointer_used_p): New functions.
3256 (analyze_scalar_evolution_1): Use fold_used_pointer.
3257 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3258 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3261 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3264 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3265 or the INTEGER_CST. Fail on a CALL_EXPR.
3266 (fold_offsetof): Pass new argument to fold_offsetof_1.
3267 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3268 operand into an INDIRECT_REF.
3269 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3271 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3273 PR gcov/profile/26570
3274 * value-prof.c (static_values): Removed.
3275 (tree_find_values_to_profile): Do not set static_values.
3276 (find_values_to_profile): Do not free static_values.
3277 * profile.c (instrument_values): Do not free the values.
3278 (branch_prob): Free the values.
3280 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3282 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3284 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3287 * c-typeck.c (build_component_ref): Combine qualifiers of
3288 structure or union and field.
3290 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3292 PR rtl-optimization/28071
3293 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3294 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3295 * tree-into-ssa.c (struct dom_dfsnum): New.
3296 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3298 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3299 compute_global_livein.
3300 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3301 in phi nodes in the correct blocks.
3303 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3305 PR tree-optimization/28364
3306 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3308 (fold_affine_expr): New function.
3309 (may_eliminate_iv): Use fold_affine_expr.
3311 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3314 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3317 2006-08-16 Mike Stump <mrs@apple.com>
3319 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3320 * doc/cppopts.texi (-MD): Likewise.
3322 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
3325 * c-common.c (handle_weak_attribute): Ignore and warn if
3326 not a FUNCTION_ or VAR_DECL.
3328 2006-07-15 Mike Stump <mrs@apple.com>
3331 * c-parser.c (c_parser_typeof_specifier): Don't use
3332 c_finish_expr_stmt, open code desired semantics instead.
3334 2006-08-15 Nick Clifton <nickc@redhat.com>
3336 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3337 fragment to tmake_file only if threads are enabled.
3338 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3339 * config/i386/t-gthr-win32: New file. ... here.
3341 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3344 * c-parser.c (c_parser_compound_statement_nostart): Reset
3345 parser->error after each statement.
3347 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3350 * omp-low.c (lower_omp_parallel): Convert t to
3351 receiver_decl's type.
3352 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3353 source before comparison.
3356 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3357 to itype in assignment to oldival2.
3359 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3363 * c-typeck.c (build_compound_expr): If the second expression
3364 is an error mark, then just return an error mark instead of
3365 creating a COMPOUND_EXPR.
3367 2006-07-14 Mike Stump <mrs@apple.com>
3369 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3371 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3373 * c-decl.c, var-tracking.c: Fix comment typos.
3375 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3377 PR rtl-optimization/28634
3378 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3379 for floating-point modes unless flag_unsafe_math_optimizations.
3381 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3382 Andrew Pinski <pinskia@physics.uc.edu>
3385 * tree.c (build_array_type): Unify array types with
3386 unspecified index_type.
3387 * c-decl.c (grokdeclarator): Make sure we do not modify a
3388 unified incomplete array type.
3389 * c-typeck.c (store_init_value): Create distinct type before
3390 filling in the index type in an initializer from a compound
3393 * c-decl.c (grokdeclarator): Remove code where we copy the
3396 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3398 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3399 into account for TODO_dump_cgraph.
3400 (TODO_update_ssa_no_phi): Likewise.
3401 (TODO_update_ssa_full_phi): Likewise.
3402 (TODO_update_ssa_only_virtuals): Likewise.
3403 (TODO_remove_unused_locals): Likewise.
3404 (TODO_set_props): Likewise.
3405 (TODO_update_stmt_usage): Likewise.
3407 2006-08-13 Dirk Mueller <dmueller@suse.de>
3409 * c-common.c (strict_aliasing_warning): Fix formatting.
3411 2006-08-13 Matthias Klose <doko@debian.org>
3413 * doc/invoke.texi: Fix spelling errors.
3415 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3417 PR rtl-optimization/23454
3418 * reorg.c (relax_delay_slots): Update comment.
3420 2006-08-11 Richard Guenther <rguenther@suse.de>
3423 * simplify-rtx.c (simplify_const_relational_operation):
3424 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3427 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3429 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3430 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3432 2006-08-10 Paul Brook <paul@codesourcery.com>
3434 * final.c (final_scan_insn): Clear current_insn_predicate before
3435 outputting inline asm.
3437 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3439 PR tree-optimization/26197
3440 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3441 get_ref_base_and_extent and overlap_subvar to add only relevant
3442 subvars as may-aliases.
3443 (add_may_alias_for_new_tag): New function, factored out of
3445 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3446 with additional argument.
3447 * tree-flow.h (new_type_alias): Takes additional argument.
3449 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3451 * gcov.c (no_data_file): New flag.
3452 (read_count_file): Set it if data file not present. Assume counts
3454 (output_lines): Don't name the data file, if there wasn't one.
3456 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3458 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3459 (rs6000_generate_compare): Tweak comments.
3460 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3462 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3464 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3465 (var_debug_decl): New function.
3466 (var_reg_set): Follow debug decl link. Add location even if
3467 reg is already known to hold some other variable.
3468 (var_mem_set): Follow debug decl link.
3469 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3470 decl link. Delete other known locations of the variable part
3472 (var_reg_delete, var_mem_delete): Delete other known locations
3473 of the variable part if requested.
3474 (same_variable_part_p): New function.
3475 (add_stores): Select MO_COPY when appropriate.
3476 (vt_initialize): Handle it.
3477 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3478 known locations for MO_SET and MO_CLOBBER.
3479 (find_variable_location_part): New function.
3480 (set_variable_part, delete_variable_part): Use it.
3481 (clobber_variable_part): New function.
3482 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3485 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3487 PR tree-optimization/26969
3488 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3489 with an empty list of PHIs.
3491 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3495 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3498 2006-08-06 Andreas Schwab <schwab@suse.de>
3500 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3501 string. Whitespace and comment fixup.
3503 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3506 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3510 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3513 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3515 2006-08-04 Jan Hubicka <jh@suse.cz>
3519 * reload.c (push_reload): Patch out the mismatching instruction;
3521 (find_reload): Bail out if the instruction was patched out.
3523 2006-08-04 Jan Hubicka <jh@suse.cz>
3525 PR tree-optimization/24888
3526 * tree-inline.c (expand_call_inline): Do not re-record variables.
3527 (declare_inline_vars): Add variable to unexpanded_var_list.
3529 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3530 Roger Sayle <roger@eyesopen.com>
3532 PR rtl-optimization/26244
3533 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3534 inner_const are negative or greater than or equal to the bitsize of
3535 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3536 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3537 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3538 CONST0_RTX (mode) when the new shift count is greater than or equal to
3539 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3542 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3544 * tree-cfg.c: Fix a comment typo.
3546 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3549 * varasm.c (output_constant): Give the front end another chance to
3550 expand constants, after stripping NOPs.
3552 2006-08-03 Jan Hubicka <jh@suse.cz>
3554 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3557 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3559 PR tree-optimization/27770
3560 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3561 declaration removed (moved to tree-flow.h).
3562 (vect_can_force_dr_alignment_p): Likewise.
3563 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3564 (moved from tree-vectorizer.h).
3565 (vect_can_force_dr_alignment_p): Likewise.
3566 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3567 from outside the vectorizer - in particular from cgraph stage.
3568 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3569 the alignment of global arrays when -fsection-anchors is enabled.
3570 * cgraphunit.c (cgraph_increase_alignment): New function.
3571 (cgraph_optimize): Call cgraph_increase_alignment.
3573 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3576 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3577 not reload a SPE symbol_ref into a lo_sum address.
3579 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3582 * dwarf2out.c (prune_unused_types_prune): Move call to
3583 prune_unused_types_update_strings to cover the parent DIE also.
3585 2006-08-02 Jan Hubicka <jh@suse.cz>
3587 PR gcov/profile/28480
3588 * tree-cfg.c (change_bb_for_stmt): New function.
3589 (tree_merge_blocks, tree_split_blocks): Use it.
3591 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3597 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3598 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3599 (cgraph_optimize): Likewise.
3601 2006-08-01 Stuart Hastings <stuart@apple.com>
3603 * rtl.h (UINTVAL) New.
3604 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3605 * testsuite/gcc.dg/20060801-1.c: New.
3607 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3610 * c-typeck.c (build_external_type): Mark used enum types.
3611 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3613 (gen_subprogram_die): Whitespace fix.
3615 2006-08-01 Jan Hubicka <jh@suse.cz>
3617 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3618 bitmap when not needed.
3619 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3622 2006-08-01 Dirk Mueller <dmueller@suse.de>
3624 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3626 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3628 * Makefile.in: Revert part of previous patch:
3629 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3632 2006-07-30 Eric Christopher <echristo@apple.com>
3635 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3636 (PowerPC Variable Attributes): New section.
3638 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3640 PR target/28126 (partial fix)
3641 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3643 2006-07-28 Jan Hubicka <jh@suse.cz>
3645 PR rtl-optimization/28071
3646 * cfgrtl.c (rtl_delete_block): Free regsets.
3647 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3649 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3651 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3652 and variables used in dependencies.
3654 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3656 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3657 %fs for -mcmodel=kernel.
3658 (stack_tls_protect_test_di): Likewise.
3660 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3662 * Makefile.in: Use mkinstalldirs.
3664 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3667 * opts-common.c (prune_options): Skip joined switches.
3669 2006-07-27 Jan Hubicka <jh@suse.cz>
3671 PR rtl-optimization/28071
3672 * cselib.c (cselib_process_insn): Don't remove useless values too
3673 often for very large hashtables.
3675 2006-07-27 Jan Hubicka <jh@suse.cz>
3677 PR rtl-optimization/28071
3678 * global.c (greg_obstack): New obstack.
3679 (allocate_bb_info): Use it.
3680 (free_bb_info): Likewise.
3681 (modify_reg_pav): Likewise.
3683 2006-07-27 Roger Sayle <roger@eyesopen.com>
3685 * builtins.c (fold_fixed_mathfn): When long and long long are the
3686 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3687 functions to their lceil*, lfloor*, lround* and lrint* forms.
3689 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3692 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3694 (rev_branch_insn): Likewise.
3696 2006-07-27 Jan Hubicka <jh@suse.cz>
3698 PR rtl-optimization/28071
3699 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3700 (reg_set_in_bb, max_reg_computed): New static variables.
3701 (regmove_optimize): Free the new array.
3702 (fixup_match_1): Update call of reg_is_remote_constant_p.
3704 2006-07-26 Jan Hubicka <jh@suse.cz>
3706 PR tree-optimization/27882
3707 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3709 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3711 (cgraph_analyze_compilation_unit): Likewise.
3712 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3713 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3714 (cgraph_early_inlinine): Make order garbage collected.
3715 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3717 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3719 * dbxout.c (output_types_sort): Add a comment.
3720 (output_used_types): Free the VEC.
3722 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3724 * function.c (reorder_fix_fragments): Delete.
3725 (reorder_blocks): Don't call it.
3726 (reorder_blocks_1): Put all subblocks under the origin block.
3728 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3730 PR rtl-optimization/27907
3731 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3734 2006-07-25 Roger Sayle <roger@eyesopen.com>
3737 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3738 bar(x) check that bar's result type can represent all the values of T.
3740 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3742 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3744 2006-07-25 Nick Clifton <nickc@redhat.com>
3746 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3747 size_lookup[] array.
3748 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3749 (ggc_pch_count_object): Likewise.
3750 (ggc_pch_alloc_object): Likewise.
3751 (ggc_pch_write_object): Likewise.
3752 (init_ggc): Do not attempt to initialize entries in the
3753 size_lookup[] array for objects whose size is greater than than
3754 the length of the array.
3756 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3758 * dbxout.c (output_used_types_helper): Push queued types
3760 (output_types_sort): New.
3761 (output_used_types): Collect used types on a VEC and sort them
3764 2006-07-24 Richard Guenther <rguenther@suse.de>
3767 * cgraph.c (cgraph_remove_node): Do not check if dumps
3769 * cgraphunit.c (cgraph_optimize): Likewise.
3771 2006-07-24 Jan Hubicka <jh@suse.cz>
3773 PR rtl-optimization/28071
3774 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3775 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3776 splitting before first stmt.
3778 2006-07-24 Jan Hubicka <jh@suse.cz>
3780 PR rtl-optimization/28071
3781 * ipa-inline.c (update_caller_keys): Remove edges that
3782 are no longer inline candidates.
3784 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3787 * dbxout.c (output_used_types_helper, output_used_types): New.
3788 (dbxout_symbol): Call output_used_types.
3790 2006-07-23 Jan Hubicka <jh@suse.cz>
3794 * cgraph.c (cgraph_varpool_nodes): Export.
3795 (decide_is_variable_needed): Ignored "used" attribute in
3796 unit-at-a-time mode.
3797 * cgraph.h (cgraph_varpool_nodes): Declare.
3798 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3799 unit-at-a-time mode.
3801 2006-07-23 Roger Sayle <roger@eyesopen.com>
3804 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3805 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3806 the __gthrw form of thr_keycreate.
3807 (__gthread_key_delete): Silence the unused argument warning.
3809 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3812 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3813 Cache the last found '\0' marker to avoid quadratic behavior.
3815 2006-07-23 Jan Hubicka <jh@suse.cz>
3817 * i386.md (subsi_3_zext): Fix output template.
3819 2006-07-21 Mike Stump <mrs@apple.com>
3821 * doc/invoke.texi (C++ Dialect Options): Note that
3822 -fvisibility-inlines-hidden doesn't affect explicitly
3823 instantiationed inline methods.
3825 2006-07-20 Roger Sayle <roger@eyesopen.com>
3827 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3828 if the target assembler is GNU binutils' gas.
3829 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3830 whether to pass GNU gas or native as command line options.
3832 2006-07-20 Jason Merrill <jason@redhat.com>
3834 * tree.c (remove_attribute): New fn.
3835 * tree.h: Declare it.
3837 2006-07-20 Paul Brook <paul@codesourcery.com>
3840 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3841 they are invalidated by this instruction.
3843 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3846 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3848 2006-07-20 Eric Christopher <echristo@apple.com>
3851 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3853 2006-07-19 Eric Christopher <echristo@apple.com>
3855 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3856 Rewrite dependencies for libgcc_s.1.dylib.
3858 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3860 * except.c (duplicate_eh_regions_1): Clear next_peer.
3862 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3864 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3865 -mlongcall does not guarantee all calls will be long.
3866 * doc/extend.texi (long_call/short_call): Document that longcall
3867 does not guarantee a long call will be used.
3868 (longcall/shortcall): Likewise.
3870 2006-07-18 Roger Sayle <roger@eyesopen.com>
3873 * expmed.c (expand_shift): Additionally check that the shift_cost
3874 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3875 before implementing a LSHIFT_EXPR as a sequence of additions.
3876 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3877 middle-end that DImode shifts need to be synthesized by expand.
3879 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3882 * tree-ssa-operands.c (access_can_touch_variable): Update
3884 Return true if ALIAS is .GLOBAL_VAR.
3886 2006-07-18 David Daney <ddaney@avtrex.com>
3888 * gcc.c (display_help): Fix typo in help text.
3890 2006-07-18 Olivier Hainque <hainque@adacore.com>
3892 * tree.h (categorize_ctor_elements): Adjust prototype and add
3893 descriptive comment, both in accordance with the interface change
3895 * varasm.c (constructor_static_from_elts_p): New function.
3896 Whether a constructor node is a valid static constant initializer
3897 if all its elements are.
3898 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3899 * output.h: Declare it.
3900 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3901 is a valid constant initializer instead of computing the number of
3902 non-constant elements. Use constructor_static_from_elts_p for this
3903 purpose. Replace the head comment with an indication that this is a
3904 helper for categorize_ctor_elements.
3905 (categorize_ctor_elements): Same interface change as for the _1
3906 helper. Former head comment from this helper moved here, adjusted to
3907 account for the interface changes.
3908 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3909 (all_zeros_p): Likewise.
3910 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3911 static versions of the constructor from the categorize_ctor_elements
3912 return value instead of the formerly computed number of non-constant
3915 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3917 * configure: Regenerate.
3918 * Makefile.in (build_libsubdir): New configure substitution
3919 (build_libobjdir): New variable.
3920 (BUILD_LIBIBERTY): Use it.
3922 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3925 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3927 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3930 * c-common.c (handle_weakref_attribute): Ignore attribute in
3931 the same conditions the alias attribute is ignored.
3933 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
3935 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
3936 (dbxout_begin_prologue): Increment scope_labelno.
3938 2006-07-17 Richard Henderson <rth@redhat.com>
3941 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
3944 2006-07-17 Roger Sayle <roger@eyesopen.com>
3945 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3947 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
3948 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
3949 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
3950 functions such as sbrk, write, etc.. Add function prototypes.
3951 Convert function declarations from K&R to ISO C. Cast pointers
3952 to "long" and "unsigned long" instead of "int" and "unsigned int".
3953 Convert tokens following #endif into comments.
3955 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3957 * invoke.texi: Remove mention of f77; Reformat table for
3958 inline parameter options correctly; mention that -malign-double
3959 is default on x86-64 targets.
3961 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3963 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3964 (convert_affine_scev, chrec_convert_aggressive): Use
3965 avoid_arithmetics_in_type_p. Do not check for the subtypes
3968 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3971 * optabs.c (expand_doubleword_shift): Wrap the call to
3972 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3974 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3977 * optabs.c (expand_binop): Pass next_methods rather than methods
3978 to expand_doubleword_shift.
3980 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3983 * tree.h (dump_addr): Declare.
3984 * print-tree.c (dump_addr): New function.
3985 (print_node_brief, print_node): Use it.
3986 * print-rtl.c (print_rtx): Likewise.
3987 * common.opt (-fdump-noaddr): New option.
3988 * doc/invoke.texi (-fdump-noaddr): Document.
3989 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3990 (ve_info_hash): Likewise.
3992 2006-07-13 Andrew Haley <aph@redhat.com>
3994 PR tree-optimization/19505
3995 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3996 edge leaving this block, make sure that the destination of this
3997 block has only one predecessor.
3999 2006-07-17 Richard Guenther <rguenther@suse.de>
4001 PR tree-optimization/28238
4002 * tree-inline.c (copy_bb): Check if we produced valid
4003 gimple copying and substituting a stmt. If not, gimplify
4006 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
4008 * optabs.c (maybe_encapsulate_block): New function extracted from...
4009 (emit_libcall_block): ...here. Invoke it on the block of insns to
4010 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
4011 (emit_no_conflict_block): Likewise.
4013 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4015 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
4017 2006-07-15 Roger Sayle <roger@eyesopen.com>
4019 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
4020 a new NOP_EXPR case of the switch statement.
4022 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
4025 * stor-layout.c (place_field): Take the bit field with
4026 an excessive size into account in the ms-bitfiled case.
4029 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
4030 the previous bit field.
4032 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
4035 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
4037 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4039 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
4040 signal frames correctly even when the signal was installed with
4043 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
4045 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
4046 (dbxout_function_end): Use local label LFBB. Remove hook
4048 (dbxout_source_line): Use local label LFBB.
4049 (dbxout_block): Likewise.
4050 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
4051 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
4052 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
4053 and DBX_OUTPUT_NFUN.
4055 2006-07-13 Janis Johnson <janis187@us.ibm.com>
4057 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4059 2006-07-13 Jan Hubicka <jh@suse.cz>
4061 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4063 * output.h (align_variable): Declare.
4064 * varasm.c (align_variable): Export.
4065 * value-prof.c (tree_value_profile_transformations): Recompute iterator
4066 when basic block changed.
4068 2006-07-13 Nick Clifton <nickc@redhat.com>
4070 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4071 walking the LOG_LINKS chain.
4073 2006-07-12 Geoffrey Keating <geoffk@apple.com>
4075 * doc/invoke.texi (C++ Dialect Options): Explain difference
4076 between -fvisibility-inlines-hidden and setting hidden
4077 visibility explicitly.
4079 2006-07-12 Eric Christopher <echristo@apple.com>
4081 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4082 (stmp-lipo): Depend on libgcc.a.
4084 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
4086 * tree.c: Fix a comment typo.
4088 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
4090 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
4092 (umulhisi3_r): Likewise.
4094 2006-07-12 Paolo Carlini <pcarlini@suse.de>
4097 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
4098 x < 19, vs wchar_t support.
4100 2006-07-12 Nick Clifton <nickc@redhat.com>
4102 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
4103 instead of -isa=sh4.
4105 2006-07-12 Mike Stump <mrs@apple.com>
4107 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
4109 2006-07-10 Eric Christopher <echristo@apple.com>
4111 * config/t-slibgcc-darwin: Rewrite.
4113 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
4116 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
4119 2006-07-08 Matthias Klose <doko@debian.org>
4121 * doc/sourcebuild.texi: Fix typo.
4123 2006-07-07 Mike Stump <mrs@apple.com>
4125 * toplev.c (process_options): Don't give -ffunction-sections may
4126 affect debugging warning for Mach-O.
4128 2006-07-07 James E Wilson <wilson@specifix.com>
4130 * config/mips/mips.md (cpu): Add sb1a.
4131 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4132 addition to sb1. Adjust comments to clarify SB-1A differences from
4134 (ir_sb1a_load): New. Modify bypasses to use it.
4135 (ir_sb1a_simple_alu): Likewise.
4136 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4137 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4138 (mips_issue_rate): Add PROCESSOR_SB1A.
4139 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4140 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4141 (TARGET_SB1): Add PROCESSOR_SB1A check.
4142 (TUNE_SB1): Likewise.
4144 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4145 * config/mips/mips.c (mips_store_data_bypass_p): New.
4146 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
4147 store_data_bypass_p.
4149 2006-07-08 Paul Brook <paul@codesourcery.com>
4152 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4154 2006-07-07 Richard Guenther <rguenther@suse.de>
4157 * tree.h (build_one_cst): Declare.
4158 * tree.c (build_one_cst): New function.
4159 * tree-ssa-math-opts.c (get_constant_one): Remove.
4160 (insert_reciprocals): Use build_one_cst.
4161 * fold-const.c (fold_plusminus_mult): Likewise.
4163 2006-07-07 Roger Sayle <roger@eyesopen.com>
4165 * pointer-set.c (pointer_set_destroy): Correct whitespace.
4166 * cfgloopanal.c (dump_graph): Likewise.
4167 * dojump.c (discard_pending_stack_adjust): Likewise.
4168 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4170 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4171 * function.c (finalize_block_changes): Likewise.
4172 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4173 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4174 * rtl.c (dump_rtx_statistics): Likewise.
4175 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4177 * varray.c (dump_varray_statistics): Likewise.
4178 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4179 decode_decimal64, encode_decimal128, decode_decimal128,
4180 decimal_real_to_decimal): Likewise.
4182 2006-07-07 Richard Guenther <rguenther@suse.de>
4184 PR tree-optimization/28187
4185 * tree-vrp.c (vrp_operand_equal_p): New function.
4186 (vrp_bitmap_equal_p): Likewise.
4187 (update_value_range): Use them to compare old and new
4190 2006-07-06 Roger Sayle <roger@eyesopen.com>
4192 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4193 a default case to switch statement to silence compiler warnings.
4195 2006-07-06 Roger Sayle <roger@eyesopen.com>
4198 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4199 the configured assembler supports the x87's ffreep mnemonic.
4200 * configure: Regenerate.
4201 * config.in: Regenerate.
4203 * config/i386/i386.c (output_387_ffreep): New function.
4204 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4205 (output_387_reg_move): Likewise.
4207 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
4209 Port to hosts whose 'sort' and 'tail' implementations
4210 treat operands with leading '+' as file names, as POSIX
4211 has required since 2001. However, make sure the code still
4212 works on pre-POSIX hosts.
4213 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4214 which says you should use "tail -c +N" rather than "tail +Nc".
4215 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4217 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
4219 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4222 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4225 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4226 PRE_{INC,DEC} of TFmode.
4228 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4229 Alan Modra <amodra@bigpond.net.au>
4232 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4235 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4238 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4239 Remove duplicate gtu.
4241 2006-07-05 Jason Merrill <jason@redhat.com>
4245 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4246 * c-common.c (handle_packed_attribute): So don't copy it here.
4247 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4249 2006-07-05 Mike Stump <mrs@apple.com>
4251 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4253 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4256 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4258 2006-07-05 Richard Guenther <rguenther@suse.de>
4261 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4262 TARGET_SSE2 targets if using SSE math.
4263 (*absdf2_1): Likewise.
4265 2006-07-05 Richard Guenther <rguenther@suse.de>
4267 PR tree-optimization/28162
4268 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4269 make sure to convert the operands to the correct type.
4271 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4273 PR tree-optimization/28218
4275 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4276 to calculate and free the dominator information.
4278 2006-07-04 Peter O'Gorman <peter@pogma.com>
4280 * mklibgcc.in: chmod 644 before ranlib during install.
4282 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4283 J"orn Rennecke <joern.rennecke@st.com>
4285 * configure.ac (.eh_frame data check): Use diff -b.
4287 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4290 * Makefile.in (BUILD_RTL): Add build/vec.o.
4291 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4292 (build/genextract): Delete.
4293 (build/genautomata): Likewise.
4295 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4298 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4299 128-bit IBM long doubles for ABI_V4.
4301 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4303 * tree.c (range_in_array_bounds_p): New predicate.
4304 * tree.h (range_in_array_bounds_p): Declare it.
4305 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4306 return a less conservative answer.
4307 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4308 and flag 'is_group'.
4309 (IS_ELEMENT_FOR_GROUP): New macro.
4310 (FOR_EACH_ACTUAL_CHILD): Likewise.
4311 (next_child_for_group): New helper function.
4312 (can_completely_scalarize_p): Take into account groups.
4313 (sra_hash_tree): Handle RANGE_EXPR.
4314 (sra_elt_eq): Likewise.
4315 (lookup_element): Be prepared for handling groups.
4316 (is_valid_const_index): Delete.
4317 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4318 instead of is_valid_const_index.
4319 <ARRAY_RANGE_REF>: New case.
4320 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4321 is_valid_const_index.
4322 <ARRAY_RANGE_REF>: Do not unconditionally punt.
4323 (scan_dump): Dump info for groups too.
4324 (decide_instantiation_1): Likewise.
4325 (decide_block_copy): Assert that the element is not a group.
4326 Propagate decision to groups.
4327 (generate_one_element_ref): Handle RANGE_EXPR.
4328 (mark_no_warning): Iterate over actual childs.
4329 (generate_copy_inout): Likewise.
4330 (generate_element_copy): Likewise.
4331 (generate_element_zero): Likewise.
4332 (generate_element_init_1): Likewise.
4333 (dump_sra_elt_name): Handle RANGE_EXPR.
4335 2006-07-03 Roger Sayle <roger@eyesopen.com>
4337 PR tree-optimization/26251
4338 * tree-ssa-threadupdate.c (redirection_block_p): New function.
4339 (thread_block): When optimizing for size refuse to thread jumps
4340 that would require duplication of blocks other than redirection
4343 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4345 * configure.ac: Fix thinko in previous check-in.
4346 * configure: Regenerate.
4348 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4351 * configure.ac (for lang...): Simplify nesting of conditionals.
4352 Test subdir_requires for non-enabled languages. Move processing
4353 of lang_opt_files and lang_tree_fiels below that test.
4354 * configure: Regenerate.
4355 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4357 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4359 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4361 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4363 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4366 2006-06-29 Jason Merrill <jason@redhat.com>
4373 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4374 * c-common.c (c_determine_visibility): Handle it here.
4375 * c-decl.c (finish_decl): Call c_determine_visibility for
4377 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4379 * varasm.c (default_assemble_visibility): Likewise.
4380 * c-common.c (handle_visibility_attribute): Complain about trying
4381 to give visibility to an already defined class, or trying to change
4382 declared visibility. Always attach the attribute.
4387 * attribs.c (decl_attributes): Ignore type-in-place attributes
4388 once the type has been defined.
4390 2006-06-29 Roger Sayle <roger@eyesopen.com>
4393 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4394 to indicate the cpplib has issued an error message for us.
4396 2006-06-29 Asher Langton <langton2@llnl.gov>
4399 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4400 insert a label at the end of an function under Mach-O.
4402 2006-06-29 Eric Christopher <echristo@apple.com>
4403 Evan Cheng <evan.cheng@apple.com>
4405 * predicates.md (vector_all_ones_operand): New.
4406 (nonimmediate_or_sse_const_operand): Ditto.
4407 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4408 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4409 (standard_sse_mode_p): Ditto.
4410 (standard_sse_constant_p): Add case for -1 vector.
4411 (ix86_expand_vector_move): Try to use.
4412 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4413 Call standard_sse_constant_opcode.
4414 (*movv4sf_internal): Ditto.
4415 (*movv2df_internal): Ditto.
4417 2006-06-29 Roger Sayle <roger@eyesopen.com>
4419 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4420 of XEXP to extract the operands of a MATCH_CODE rtx.
4422 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4424 * tree.c (tree_size): Do not waste tail padding in
4425 struct tree_string and make the size be the same as
4426 build_string will generate.
4428 2006-06-28 Jason Merrill <jason@redhat.com>
4431 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4432 may_aliases already in the tag's annotations to the bitmap.
4434 2006-06-28 Roger Sayle <roger@eyesopen.com>
4436 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4438 2006-06-28 Roger Sayle <roger@eyesopen.com>
4440 * genpreds.c (generate_switch_p): New function.
4441 (add_mode_tests): Push the new mode test down inside an AND expr
4442 if this allows the switch-suitable MATCH_CODE to be near the root.
4443 (write_match_code_switch): New function to write a MATCH_CODE as
4445 (write_predicate_stmts): New function to write a predicate RTX
4446 expression as a sequence of statements.
4447 (write_one_predicate_function): Use write_predicate_stmts.
4448 (write_tm_constrs_h): Likewise.
4450 2006-06-26 Fred Fish <fnf@specifix.com>
4452 * config/mips/t-sb1: New file.
4453 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4456 2006-06-26 DJ Delorie <dj@redhat.com>
4458 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4460 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4461 Jayant Sonar <jayants@kpitcummins.com>
4462 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4464 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4465 (subsi3, subsi3_1, subsi3_2): New.
4466 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4467 * config/m32c/mov.md (SI mov peephole): New.
4468 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4469 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4471 2006-06-26 Olivier Hainque <hainque@adacore.com>
4473 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4474 a CALL_EXPR target function declaration.
4476 2006-06-26 Richard Guenther <rguenther@suse.de>
4478 * tree.c (build_string): Do not waste tail padding in
4481 2006-06-26 Richard Guenther <rguenther@suse.de>
4483 * ggc-page.c (init_ggc): Add missing element to size_lookup
4487 2006-06-23 Richard Guenther <rguenther@suse.de>
4489 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4490 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4491 alignment requests instead. Add verification code.
4492 Add struct tree_function_decl and struct tree_binfo size to
4493 extra_order_size_table. Add missing element to size_lookup
4496 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4499 * fold-const.c (const_binop): Be prepared for self returning zero.
4500 Simplify code handling complex values.
4502 2006-06-24 Olivier Hainque <hainque@adacore.com>
4504 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4505 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4508 2006-06-24 Olivier Hainque <hainque@adacore.com>
4510 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4511 ARRAY_REF, so have the callback called for the low bound expression.
4513 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4515 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4516 * c-typeck.c (c_common_type): Disallow operations on decimal float
4517 types and other float types.
4518 * convert.c (convert_to_real): Don't ignore conversions involving
4519 decimal float types.
4521 2006-06-23 Olivier Hainque <hainque@adacore.com>
4523 * tree.c (max_int_size_in_bytes): New function, inspired from
4524 code in function.c:assign_temp.
4525 * tree.h (max_int_size_in_bytes): Declare.
4526 * function.c (assign_temp): Use it.
4527 * gimplify.c (create_tmp_var): Relax the assertions on the type
4528 properties, not mandating constant size any more.
4529 (force_constant_size): New static function.
4530 (gimple_add_tmp_var): Use it, forcing variable size to a
4531 constant upper bound if it is not constant on entry.
4533 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4536 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4537 for initialization and setting of one_only flag to ...
4538 (i386_pe_encode_section_info): ...here.
4539 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4540 Recheck that the symbol has not been defined.
4542 2006-06-23 Richard Guenther <rguenther@suse.de>
4544 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4545 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4546 alignment requests instead. Add verification code.
4547 Add struct tree_function_decl and struct tree_binfo size to
4548 extra_order_size_table. Add missing element to size_lookup
4551 2006-06-22 Roger Sayle <roger@eyesopen.com>
4552 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4555 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4556 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4558 2006-06-23 Ben Elliston <bje@au.ibm.com>
4560 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4561 negate dn -- manipulate it directly.
4563 2006-06-22 Roger Sayle <roger@eyesopen.com>
4564 Steven Bosscher <stevenb.gcc@gmail.com>
4567 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4568 generated by gen_move_insn to add REG_LABEL notes if necessary.
4570 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4572 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4573 (leaf_entry): Remove use of MIN_ESA.
4575 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4577 PR rtl-optimization/28121
4578 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4581 2006-06-21 DJ Delorie <dj@redhat.com>
4583 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4585 (mulhisi3_r): Likewise.
4587 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4590 * coverage.c (coverage_counter_alloc): Leave the index type
4592 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4595 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4597 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4598 section from the "Options for Code Generation Conventions".
4600 2006-06-21 Richard Henderson <rth@redhat.com>
4604 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4606 (global_symbolic_operand): Allow weak symbols, even if local_p.
4608 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4610 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4611 (find_interesting_uses_address): Punt if above function returns true.
4613 2006-06-21 Richard Guenther <rguenther@suse.de>
4615 * configure: Regenerated.
4617 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4619 * config/mips/mips.c (function_arg): Where one part of a
4620 complex argument is in registers and the other part in the stack,
4621 return a REG not a PARALLEL.
4623 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4625 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4626 when cross-compiling. Do not substitute libstdcxx_incdir.
4627 * configure: Regenerated.
4629 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4631 * varasm.c (mergeable_string_section): Check for embedded NULs and
4632 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4633 rather than TREE_STRING_LENGTH bytes.
4635 2006-06-21 Richard Guenther <rguenther@suse.de>
4637 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4638 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4641 2006-06-21 Richrad Guenther <rguenther@suse.de>
4643 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4644 Limit iteration over the dominators.
4646 2006-06-20 Roger Sayle <roger@eyesopen.com>
4648 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4649 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4651 2006-06-20 Richard Guenther <rguenther@suse.de>
4652 Michael Matz <matz@suse.de>
4654 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4656 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4657 * et-forest.h (et_free_pools): Prototype new function.
4658 * et-forest.c (et_free_tree_force): Free parent occurrence.
4659 (et_free_pools): New function.
4660 * dominance.c (free_dominance_info): Free et-forest alloc
4663 2006-06-20 Roger Sayle <roger@eyesopen.com>
4665 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4666 integer modes, attempt to directly construct an integer constant.
4668 * fold-const.c (native_encode_vector): Determine the size of each
4669 element from the vector type instead of the first vector element.
4671 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4672 if all of its elements/components are constant.
4673 (build_constructor_from_list): Likewise.
4675 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4677 PR tree-optimization/27331
4678 * tree-data-ref.c (free_data_ref): New function.
4679 (create_data_ref): Fail if the data reference has unknown access
4681 (free_data_refs): Use free_data_ref.
4683 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4686 * tree-inline.c (setup_one_parameter): Strip useless
4687 type conversion before adding it to the IR.
4688 (declare_return_variable): Likewise.
4690 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4693 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4695 2006-06-19 Mike Stump <mrs@apple.com>
4697 * tree.c (variably_modified_type_p): VM arguments don't make the
4700 2006-06-19 Richard Guenther <rguenther@suse.de>
4702 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4703 type conversions after folding.
4705 2006-06-19 Richard Guenther <rguenther@suse.de>
4707 * ggc-page.c (extra_order_size_tab): Add entries with
4708 size of struct function and basic_block.
4709 (size_lookup): Extend to cover sizes up to 511.
4710 (ggc_alloc_stat): Adjust user.
4711 (ggc_pch_count_object): Likewise.
4712 (ggc_pch_alloc_object): Likewise.
4713 (ggc_pch_write_object): Likewise.
4715 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4717 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4718 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4721 2006-06-19 Denis Chertykov <denisc@overta.ru>
4723 * config/avr/libgcc.S : Correct my wrong previous commit.
4725 2006-06-19 Roger Sayle <roger@eyesopen.com>
4728 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4729 have stripped a SUBREG from the shift count, so we may need to
4730 convert_to_mode back to the type's mode before calling make_tree.
4731 Use new_amount instead of amount to avoid expanding a tree twice.
4733 2006-06-19 Richard Guenther <rguenther@suse.de>
4736 * fold-const.c (operand_equal_p): Check if the argument types
4737 have the same precision before stripping NOPs.
4739 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4741 Fix PR tree-optimization/27341
4742 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4744 * tree-complex.c (pass_lower_complex): Update SMT usage.
4746 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4748 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4749 Add a new alternative to the constraint strings. Add move of
4750 operand 1 to 3 to the splitter definition.
4751 ("doloop_si_long"): Second contraint alternative removed.
4753 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4755 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4756 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4758 (AVR_HAVE_MOVW) Define.
4759 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4760 (ASM_SPEC): Add avr25.
4761 (LINK_SPEC): Add avr25.
4762 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4763 (base_arch_s): Add new member 'have_movw_lpmx'.
4764 (avr_arch_types): Init 'have_movw_lpmx'.
4765 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4766 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4767 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4768 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4769 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4771 (avr_file_start): Do not output '.arh' derective.
4772 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4773 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4774 * config/avr/avr.md (mcu_enhanced): Delete.
4775 (mcu_have_movw): Define.
4776 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4777 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4778 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4779 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4780 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4781 attiny861 and at86rf401 devices.
4783 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4785 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4788 2006-06-17 Karl Berry <karl@gnu.org>
4790 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4791 doc/gccint.texi, doc/install.texi (@dircategory): Use
4792 "Software development" instead of "Programming", following
4793 the Free Software Directory.
4795 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4797 * config/i386/i386.c (legitimate_tls_address)
4798 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4799 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4800 (*tls_dynamic_gnu2_combine_64): Likewise.
4802 2006-06-16 Richard Guenther <rguenther@suse.de>
4805 * fold-const.c (negate_expr_p): Do not introduce undefined
4806 overflow in negating INTEGER_CSTs.
4807 (fold_negate_expr): Rename from negate_expr. Revert last
4808 change for folding BIT_NOT_EXPR. Change semantics to
4809 return NULL_TREE for non-simplified negations. Do not
4810 strip type conversions and unify type handling.
4811 (negate_expr): New function, wrap around fold_negate_expr
4812 but ensure building a tree always. Strip type conversions
4813 here, fold to result type.
4814 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4816 2006-06-16 Roger Sayle <roger@eyesopen.com>
4819 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4820 that (would) return their results in stack registers.
4822 2006-06-16 Michael Matz <matz@suse.de>
4823 Richard Guenther <rguenther@suse.de>
4825 * fold-const.c (fold_truthop): Only return new tree node if
4826 we canonicalized something.
4828 2006-06-16 Richard Guenther <rguenther@suse.de>
4830 * function.h (enum function_frequency): Move declaration
4831 out of struct function.
4832 (struct function): Move bool fields and the enum to the bitfield
4833 section. Reorder elements to avoid padding. Remove unused
4834 fields left over from the RTL inliner removal.
4835 * function.c (free_after_compilation): Do not zero removed fields.
4836 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4837 (ipa-type-escape.o): Likewise.
4839 2006-06-16 Richard Guenther <rguenther@suse.de>
4841 * cgraph.h (struct cgraph_local_info): Turn bool elements
4843 (struct cgraph_node): Likewise.
4844 (struct cgraph_varpool_node): Likewise.
4846 2006-06-15 Richard Guenther <rguenther@suse.de>
4848 * fold-const.c (fold_truth_not_expr): Rename from
4849 invert_truthvalue. Give it fold_* semantics to avoid
4851 (invert_truthvalue): New function. Wrapper around
4852 fold_truth_not_expr.
4853 (optimize_minmax_comparison): Avoid creating garbage.
4854 (fold_unary): Use fold_truth_not_expr for folding
4856 (fold_ternary): Replace uses of invert_truthvalue with
4857 fold_truth_not_expr where applicable.
4858 * tree.h (fold_truth_not_expr): Prototype.
4860 2006-06-16 Richard Guenther <rguenther@suse.de>
4862 PR tree-optimization/27781
4863 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4864 * ipa-pure-const.c (target.h): Include.
4865 (analyze_function): Do not analyze functions that do not
4868 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4871 * tree-dfa.c (referenced_vars_dup_list): Remove.
4872 (find_referenced_vars): Remove assert.
4873 (referenced_var_check_and_insert): Replace dup list with assert.
4874 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4875 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4877 2006-06-15 Richard Guenther <rguenther@suse.de>
4879 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4880 extra unused identifiers if not dumping.
4881 (create_variable_info_for): Likewise.
4883 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4885 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4886 (derive_constant_upper_bound): Derive more precise upper bound in
4887 common cases. Return type changed to double_int.
4888 (record_estimate): Reflect the changed return type of
4889 derive_constant_upper_bound.
4890 * double-int.c (double_int_zext, double_int_sext): Fix.
4892 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4894 * configure.ac (CFLAGS): Get them from the toplevel or from the
4895 configure invocation.
4896 * configure: Regenerate.
4897 * Makefile.in (CFLAGS): Substitute value provided by configure.
4899 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4902 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4903 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4904 rather than calling add_stmt on it.
4905 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4907 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4910 * reload1.c (reload): Remove registers returned by update_eliminables
4911 from used_spill_regs.
4913 2006-06-13 DJ Delorie <dj@redhat.com>
4915 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4917 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4919 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4920 html__strip_dir, html__mkdir_p. Enhance install-html target.
4921 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4922 * configure: Regenerate.
4924 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4926 * fold-const.c (fold_cond_expr_with_comparison): Check for
4927 Objective-C++ as language in deciding COND_EXPR transformation.
4929 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
4932 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
4933 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
4934 * config/sh/lib1funcs.h (SL, SL1): Define.
4935 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
4936 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
4937 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
4938 (OBJS_Os_4_200): New variable.
4939 ($(T)libgcc-Os-4-200.a): Use it.
4940 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
4941 when dividing 1 and/or by 0.
4943 2006-06-13 Roger Sayle <roger@eyesopen.com>
4945 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
4946 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
4947 * configure: Regenerate.
4949 2006-06-13 Jie Zhang <jie.zhang@analog.com>
4951 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
4952 for real instruction.
4954 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4957 * haifa-sched.c (check_cfg): Handle special case.
4959 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4962 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4963 Add debug_info parameter. Chain the vars to the BLOCK instead
4964 of the BIND_EXPR if debug info are requested for them.
4965 (pop_gimplify_context): Adjust for above change.
4966 (gimple_add_tmp_var): Likewise.
4967 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4969 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4970 (convert_local_reference): Likewise.
4971 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4972 (finalize_nesting_tree_1): Request that debug info be emitted
4973 for debug_var_chain.
4975 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4977 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4978 for PR target/27863.
4980 2006-06-13 Richard Guenther <rguenther@suse.de>
4983 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4985 2006-06-13 Richard Guenther <rguenther@suse.de>
4987 PR tree-optimization/27830
4988 * tree-inline.c (copy_body_r): For copying the operand
4989 of an ADDR_EXPR make sure to fold &* afterwards.
4991 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4993 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4994 lvalues in the fb_none case with side-effects.
4996 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4998 * tree-flow.h: Remove the prototype for
4999 compute_phi_arg_on_exit.
5000 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
5001 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
5004 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
5006 * builtins.c (expand_builtin_return_addr): Only use
5007 frame_pointer_rtx when count == 0 and we are expanding
5008 __builtin_return_address.
5010 2006-06-12 Fred Fish <fnf@specifix.com>
5012 * config/mips/mips.c (mips_file_start): Create special section
5013 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
5015 2006-06-11 Eric Christopher <echristo@apple.com>
5018 * stor-layout.c (place_field): Remove check for
5019 remaining_in_alignment when aligning at the end of a run.
5021 2006-06-11 Eric Christopher <echristo@apple.com>
5024 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
5027 2006-06-11 Roger Sayle <roger@eyesopen.com>
5030 Revert incorrect fix for PR target/27158
5031 2006-05-08 Roger Sayle <roger@eyesopen.com>
5032 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5033 of a reg_equiv_constant if the result is a legitimate constant.
5035 2006-06-11 Roger Sayle <roger@eyesopen.com>
5038 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5039 extract a CONST_VECTOR element and interpret it as an integer.
5040 (vspltis_constant): Use const_vector_elt_as_int instead of the
5041 macro CONST_VECTOR_ELT in order to handle FP vector modes.
5042 * config/rs6000/predicates.md (easy_vector_const): Consider
5043 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
5045 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
5048 * stor-layout.c (update_alignment_for_field): Don't add extra
5049 alignment for packed non-bitfield fields in ms_bitfield_layout_p
5052 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
5054 * config/mips/t-rtems: Add EL/EB multilib variants.
5056 2006-06-09 Mike Stump <mrs@apple.com>
5058 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5060 2006-06-09 David Daney <ddaney@avtrex.com>
5062 * doc/install.texi: Add binutils version recommendation for mips-*-*.
5064 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
5066 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
5068 2006-06-09 Richard Guenther <rguenther@suse.de>
5070 PR tree-optimization/26998
5071 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
5072 of signed types, only TYPE_MIN_VALUE is special, but for both,
5073 minimum and maximum value. Likewise VR_ANTI_RANGE is special
5074 in this case, as is -fwrapv.
5076 2006-06-08 Mike Stump <mrs@apple.com>
5079 * config/darwin.c (darwin_asm_output_anchor): Disable
5080 -fsection-anchors on darwin for now.
5081 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
5082 * rs6000/rs6000.c (optimization_options): Likewise.
5084 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5087 * config/i386/i386.c (classify_argument): Skip fields with invalid
5090 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
5092 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
5093 (cse_insn): Likewise for the stack_pointer_rtx.
5095 2006-06-08 Roger Sayle <roger@eyesopen.com>
5097 * tree-ssa-dom.c (record_conditions): Only record "unordered"
5098 conditions from floating point comparisons.
5100 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
5103 * expmed.c (struct alg_hash_entry): Fix type of field T
5104 to match synth_mult argument.
5105 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
5107 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5110 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
5113 2006-06-08 Richard Guenther <rguenther@suse.de>
5116 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
5117 only, if overflow is defined and not trapping.
5118 (negate_expr): Likewise.
5120 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5122 PR tree-optimization/27872
5123 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5124 flag on the new exit edge of the unrolled loop.
5126 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5128 PR rtl-optimization/26449
5129 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5131 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
5134 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
5135 referenced_variables with matching DECL_UID's.
5136 (find_referenced_vars): Make sure duplicate list is empty to start.
5137 (referenced_var_p): Remove.
5138 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5139 Check if var is in the list, and add if needed. Update the duplicate
5140 list if a different var is in the list with the same DECL_UID.
5141 (add_referenced_var): Call routine to check and insert.
5142 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5143 * tree-flow.h (referenced_vars_dup_list): External declaration.
5145 2006-06-07 Fred Fish <fnf@specifix.com>
5147 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5150 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
5153 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5154 the imaginary and real parts of a clobbered register.
5155 Emit insn to set the imaginary part.
5157 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
5159 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5160 in lieu of unwind-dw2-fde.c.
5162 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5164 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5166 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
5169 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5170 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5171 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5172 V4SImode temporaries and operations instead.
5174 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
5176 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5179 2006-06-06 Mike Stump <mrs@apple.com>
5181 * Makefile.in: Rename to htmldir to build_htmldir to avoid
5182 installing during build.
5184 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5186 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5188 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5189 * config/ia64/ia64.c (params.h): New header.
5190 (ia64_optimization_options): New function to adjust parameters.
5191 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5192 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5193 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5195 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
5197 * stor-layout.c (debug_rli): Fix a typo in a debug message.
5199 2006-06-05 Steve Ellcey <sje@cup.hp.com>
5202 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5204 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
5205 Victor Kaplansky <victork@il.ibm.com>
5207 PR tree-optimization/26360
5208 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5211 2006-06-04 Roger Sayle <roger@eyesopen.com>
5212 Andrew Pinski <pinskia@physics.uc.edu>
5215 * c-common.c (c_common_truthvalue_conversion): Explicitly check
5216 for LABEL_DECL before calling DECL_WEAK.
5219 * c-typeck.c (build_binary_op): Likewise, explicitly check for
5220 LABEL_DECL and PARM_DECL.
5222 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
5226 * c-decl.c (grokdeclarator): Disallow variably modified types at
5227 file scope. Avoid marking shared array type of constant size as
5230 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5233 * c-common.c (fold_offsetof_1): Handle static members.
5235 2006-06-04 Eric Christopher <echristo@apple.com>
5237 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5238 (debug_rli): Output value for remaining_in_alignment.
5239 (update_alignment_for_field): Unconditionalize
5240 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5241 extra alignment code.
5242 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5243 ms_bitfield_layout_p code. Rewrite handling of structure fields.
5244 * tree.h (record_layout_info_s): Remove prev_packed.
5245 * doc/extend.texi (ms_struct): Add documentation of format.
5247 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5249 * tree.h: Declare folding_initializer.
5250 * builtins.c (fold_builtin_constant_p): Give definite answer
5251 if folding inside an initializer.
5252 * fold-const.c: Define folding_initializer.
5253 (START_FOLD_INIT): Save and then set folding_initializer.
5254 (END_FOLD_INIT): Restore folding_initializer.
5256 2006-06-04 Richard Guenther <rguenther@suse.de>
5258 PR tree-optimization/27039
5259 * fold-const.c (fold_comparison): Handle pointer comparison
5260 again for all comparison codes. Compare offsets in signed
5262 (fold_binary): Move code from here.
5264 2006-06-03 Roger Sayle <roger@eyesopen.com>
5267 * config/i386/i386.c (construct_container): Split static issued_error
5268 flag into issued_sse_arg_error, issued_sse_ret_error and
5269 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5270 requires the use of x87 registers and the user explicitly
5271 specified the -mno-80387 command line option.
5273 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5275 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5276 HAVE_DECL_SIGALTSTACK.
5278 (segv_handler): Use MC_FLD.
5279 * configure.ac: Check for a sigaltstack declaration.
5280 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5281 * configure: Regenerate.
5282 * config.in: Regenerate.
5284 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5287 * Makefile.in (stmp-fixinc): Fix typo.
5289 2006-06-02 Roger Sayle <roger@eyesopen.com>
5291 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5292 are type correct. Clean-up.
5293 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5294 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5296 2006-06-01 DJ Delorie <dj@redhat.com>
5298 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5299 shift, as we've disabled the "switch" insn that needs it.
5301 2006-06-01 Per Bothner <bothner@bothner.com>
5303 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5304 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5305 * c-ppoutput.c (cb_define): Don't increment line 0.
5307 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
5309 * doc/invoke.texi: Add cpu_type power6.
5310 * config.gcc: Add cpu_type power6.
5311 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5312 to power5+ with Altivec.
5313 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5314 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5316 2006-05-30 Anatoly Sokolov <aesok@post.ru>
5318 * config/avr/avr.h (SET_ASM_OP): Define.
5320 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
5322 * config/bfin/bfin.c: Fix comment typos.
5324 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5327 * doc/install.texi: Document --enable-bootstrap and
5328 --disable-bootstrap.
5330 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5332 * doc/install.texi: Document that InfoZIP can replace jar.
5334 2006-05-31 Roger Sayle <roger@eyesopen.com>
5336 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5337 isn't available, directly generate the simpler x87 patterns without
5338 the (use (const_int 0)).
5339 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5340 implementation isn't available.
5341 (*negdf2_1): Likewise.
5342 (*negxf2_1): XF mode negation is always done using the x87.
5343 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5345 2006-05-31 Roger Sayle <roger@eyesopen.com>
5347 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5348 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5350 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5352 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5354 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5355 * config/bfin/bfin.c (basic-block.h): Include.
5356 (struct machine_function): New.
5357 (bfin_init_machine_status): New.
5358 (override_options): Initialize init_machine_status.
5359 (bfin_hardware_loop): New.
5360 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5361 (DEF_VEC_P (loop_info)): New.
5362 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5363 (struct loop_info): New.
5364 (loop_info): New typedef.
5365 (struct loop_work): New.
5366 (loop_work): New typedef.
5367 (DEF_VEC_O (loop_work)): New.
5368 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5369 (bfin_dump_loops): New.
5370 (bfin_bb_in_loop): New.
5371 (bfin_scan_loop): New.
5372 (bfin_optimize_loop): New.
5373 (bfin_reorg_loops): New.
5374 (bfin_reorg): Use bfin_reorg_loops.
5375 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5377 (I_REGNO_P): Simplify.
5378 (DP_REGNO_P, DPREG_P): New macros.
5379 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5380 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5381 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5382 Add LT_REGS, LC_REGS, LB_REGS.
5383 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5385 (REGNO_REG_CLASS): Deal with loop registers.
5386 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5388 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5389 New constants for loop registers.
5390 (UNSPEC_LSETUP_END): New.
5391 (seq_insns): New define_attr. Set it for appropriate insns.
5392 (movsi_insn): Add alternatives for move from/to
5393 loop count registers.
5394 (doloop_end): New define_expand.
5395 (loop_end): New define_insn.
5396 (define_split for bad doloop_end): New.
5397 (lsetup_with_autoinit): New define_insn.
5398 (lsetup_without_autoinit): New define_insn.
5399 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5400 * config/bfin/predicates.md (lc_register_operand): New.
5401 (lt_register_operand): New.
5402 (lb_register_operand): New.
5403 (nondp_register_operand): New.
5404 (nondp_reg_or_memory_operand): New.
5405 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5407 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5409 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5410 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5412 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5414 * Makefile.in (CATALOGS): Add po/ prefix.
5415 * configure: Regenerated.
5417 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5420 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5421 a shift operand before calling shift_op. Avoid redundant call of
5424 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5425 DJ Delorie <dj@redhat.com>
5427 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5428 we're inserting is a singlt-bit constant.
5430 2006-05-30 Roger Sayle <roger@eyesopen.com>
5432 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5433 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5435 2006-05-30 Roger Sayle <roger@eyesopen.com>
5437 PR tree-optimization/23452
5438 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5439 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5440 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5441 complex values and with -ffast-math for FP complex values.
5443 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5445 * c-common.h: Remove the prototype for yyparse.
5446 * rtl.h: Remove the prototype for init_loop.
5448 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5450 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5453 2006-05-30 Roger Sayle <roger@eyesopen.com>
5455 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5457 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5458 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5460 2006-05-30 Dirk Mueller <dmueller@suse.de>
5463 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5464 for CONSTANT_CLASS_P expresisons.
5466 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5469 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5471 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5473 PR tree-optimization/27779
5474 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5475 initial_condition instead of CHREC_LEFT.
5477 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5479 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5480 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5481 Make prototypes ISO C90.
5483 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5484 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5486 * see.c (see_analyze_one_def): Correct check.
5487 (see_get_extension_data): Check if extension is parallel.
5488 (see_get_extension_reg): Likewise.
5490 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5493 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5494 into register for (code == GTU).
5496 2006-05-29 Roger Sayle <roger@eyesopen.com>
5498 PR tree-optimization/24964
5499 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5500 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5501 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5502 abs(x)*abs(x) as x*x for scalar floating point modes.
5504 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5507 * lambda-code.c (perfect_nestify): Don't copy statements
5508 in the inner loop: move them to the inner loop header.
5510 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5513 * c-tree.texi: Document OpenMP directives and clauses.
5515 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5517 * varasm.c (globalize_decl): Fix indentation.
5519 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5522 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5523 pass_fre, pass_store_ccp, pass_copy_prop,
5524 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5525 pass_return_slot, pass_object_size, pass_lim,
5526 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5527 pass_loop_prefetch and pass_stdarg.
5529 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5531 * config/bfin/bfin.opt (mfdpic): New option.
5532 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5533 (EXTRA_MULTILIB_PARTS): Likewise.
5534 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5535 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5537 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5538 (CRT_CALL_STATIC_FUNCTION): New.
5539 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5541 (CRT_CALL_STATIC_FUNCTION): New.
5542 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5544 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5545 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5546 (initialize_trampoline): Changed to handle FD-PIC code generation.
5547 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5548 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5549 (override_options): Disallow -mid-shared-library -mfdpic combination.
5550 Can't do unaligned ops if FD-PIC.
5551 Turn off flag_pic if trying to generate non-id-shared-library
5552 non-fdpic code, since it's not supported.
5553 (bfin_assemble_integer): New function.
5554 (TARGET_ASM_INTEGER): Define.
5555 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5557 * config/bfin/crtn.s: Restore them.
5558 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5560 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5561 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5562 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5563 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5564 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5566 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5567 FDPIC_REGS and FDPIC_FPTR_REGS.
5568 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5569 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5570 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5571 (load_funcdescsi): New pattern.
5572 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5573 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5574 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5576 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5578 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5581 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5583 * tree-flow.h: Remove the prototype for add_type_alias.
5584 * tree-ssa-alias.c (add_type_alias): Remove.
5586 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5588 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5589 config/fr30/fr30.md, config/i386/i386-interix.h,
5590 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5591 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5592 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5593 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5594 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5595 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5596 Follow spelling conventions.
5597 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5598 Follow spelling conventions.
5600 2006-05-27 Richard Guenther <rguenther@suse.de>
5603 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5604 to produce a constant of value 1 of generic type.
5606 2006-05-27 Dirk Mueller <dmueller@suse.de>
5608 * cgraphunit.c (decide_is_function_needed): Fix wrong
5611 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5613 PR rtl-optimization/27661
5614 * reload.c (find_reloads): When reloading a VOIDmode constant
5615 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5616 use Pmode as mode of the reload register.
5618 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5620 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5621 is enabled at -O and above.
5623 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5626 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5629 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5632 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5633 for anonymous variables explicitly declared by front ends.
5635 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5637 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5638 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5639 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5640 ref-all pointers, run a finalization pass for them.
5641 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5642 (finalize_ref_all_pointers): New function.
5643 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5644 regular pointer type to a ref-all pointer type.
5645 (get_tmt_for): Return the special memory tag for ref-all pointers.
5647 2006-05-25 Richard Guenther <rguenther@suse.de>
5650 * fold-const.c (fold_binary): Do not look at the stripped
5651 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5653 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5655 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5656 for LT and GT if the computed range is effectively empty.
5658 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5661 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5662 mips_quad_format formats instead of ieee_single_format,
5663 ieee_double_format and ieee_quad_format formats, respectively.
5665 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5667 PR tree-optimization/27639
5668 PR tree-optimization/26719
5669 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5670 call to scev_probably_wraps_p.
5671 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5672 used_in_pointer_arithmetic_p, convert_step): Removed.
5673 (nowrap_type_p): New function.
5674 (scev_probably_wraps_p): Rewritten.
5675 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5676 chrec_convert if chrec_convert_aggressive might have been used.
5677 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5678 scev_direction): New functions.
5679 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5680 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5681 instead of convert_step.
5682 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5683 (convert_step): Declaration removed.
5684 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5686 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5688 * df-core.c: Added to header comments.
5689 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5690 df_ur_bb_info, df_urec_bb_info): Added comments.
5691 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5692 urec, ri problems): Fixed header comments.
5693 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5694 code from df_rd_transfer_function.
5696 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5698 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5699 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5700 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5702 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5704 * expr.c (undefined_operand_subword_p): New.
5705 (emit_move_multi_word): Do not generate move from undefined bits
5706 of a paradoxical subreg.
5708 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5710 PR rtl-optimization/27736
5711 * combine.c (replaced_rhs_value): New variable.
5712 (combine_instructions): Set it.
5713 (distribute_notes): When distributing a note in replaced_rhs_insn,
5714 check whether the value was used in replaced_rhs_value.
5716 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5719 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5720 add_referenced_var instead of add_referenced_tmp_var.
5721 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5722 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5724 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5725 tree_optimize_tail_calls_1): Use add_referenced_var.
5726 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5727 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5728 Use add_referenced_var.
5729 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5730 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5731 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5732 Use add_referenced_var.
5733 * tree-dfa.c (struct walk_state): Remove.
5734 (find_referenced_vars): Remove walk state and vars_found hash table.
5735 (make_rename_temp): Use add_referenced_var.
5736 (find_vars_r): Pass less parameters to add_referenced_var.
5737 (referenced_var_p): New. Is var in referenced_var hash table.
5738 (referenced_var_insert): Assert var isn't already in hash table.
5739 (add_referenced_var): Don't need walk_state parameter. Add var if it
5740 isn't already in the hash table.
5741 (add_referenced_tmp_var): Remove.
5742 (find_new_referenced_vars_1): Use add_referenced_var.
5743 * tree-ssa-pre.c (create_expression_by_pieces,
5744 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5745 Use add_referenced_var.
5746 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5747 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5748 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5750 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5751 vect_create_data_ref_ptr, vect_create_destination_var,
5752 vect_init_vector, vect_build_loop_niters,
5753 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5754 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5755 Use add_referenced_var.
5756 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5757 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5758 (add_referenced_var): Add prototype.
5759 * tree-ssa-structalias.c (get_constraint_for,
5760 intra_create_variable_infos): Use add_referenced_var.
5762 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5764 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5765 big-endian paradoxical subregs.
5766 * var-tracking.c (struct micro_operation_def): Document that,
5767 for modify micro operations, insn is the subsequent instruction.
5768 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5769 (var_reg_set, var_mem_set): ... new functions.
5770 (add_stores): Record subsequent insn.
5771 (compute_bb_dataflow): Use new functions for MO_USE.
5772 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5773 notes after the insn, and modify notes before the insn known
5774 to be the subsequent one.
5775 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5777 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5780 * config/i386/i386.c (ix86_expand_builtin): Use
5781 gen_sse3_monitor64 for TARGET_64BIT.
5783 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5785 PR rtl-optimization/26375
5786 PR rtl-optimization/26855
5787 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5789 (df_ru_bb_local_compute): Reversed statements and removed bogus
5790 comment explaining why they should be in wrong order.
5791 (df_ru_dump, df_rd_dump): Enhanced debug info.
5792 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5794 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5795 reaching uses and fixed space problem.
5797 2006-05-23 Jan Hubicka <jh@suse.cz>
5799 * cgraphunit.c (decide_is_function_needed): Also nested functions
5800 and functions declared inline can be optimized out at -O0.
5802 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5804 * doc/install.texi (Configuration): Remove reference to CrossGCC
5808 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5811 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5812 ix86_compare_emitted is non-NULL.
5814 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5817 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5820 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5822 PR rtl-optimization/25514
5823 * combine.c (replaced_rhs_insn): New variable.
5824 (combine_instructions): Set replaced_rhs_insn when trying to replace
5825 a SET_SRC with a REG_EQUAL note.
5826 (distribute_notes): Use replaced_rhs_insn when determining the live
5827 range of a REG_DEAD register.
5829 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5830 Anatoly Sokolov <aesok@post.ru>
5832 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5833 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5834 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5835 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5836 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5837 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5838 at90usb647, at90usb1286 and at90usb1287 devices.
5839 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5840 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5842 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5844 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5846 2006-05-22 Richard Guenther <rguenther@suse.de>
5849 2006-01-31 Richard Guenther <rguenther@suse.de>
5850 Paolo Bonzini <bonzini@gnu.org>
5852 * doc/install.texi (--disable-libgcc-math): Document.
5854 2006-05-22 Richard Guenther <rguenther@suse.de>
5857 2006-01-31 Richard Guenther <rguenther@suse.de>
5859 * doc/invoke.texi (-msselibm): Document.
5860 * target.h (expand_library_builtin): New target hook.
5861 * builtins.c (expand_builtin): Use expand_library_builtin.
5862 (default_expand_library_builtin): New function.
5863 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5864 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5865 (link_gcc_math_spec): Declare.
5866 (static_specs): Add link_gcc_math_spec.
5867 * expr.h (default_expand_library_builtin): Declare.
5868 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5869 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5870 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5871 * config/i386/i386.opt (msselibm): New target option.
5872 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5873 (ix86_init_sse_abi_builtins): New function.
5874 (ix86_expand_library_builtin): Likewise.
5875 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5876 (override_options): Handle error conditions wrt -msselibm.
5877 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5878 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5879 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5882 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5885 * c-common.c (self_promoting_args_p): Skip erroneous args.
5888 * c-decl.c (finish_struct): Skip erroneous fields.
5890 2006-05-22 Nick Clifton <nickc@redhat.com>
5892 * config/cris/cris.opt (march): Remove VarExists attribute.
5893 (max-stackframe=): Likewise.
5895 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5897 * doc/rtl.texi: Fix a typo.
5898 * see.c: Fix comment typos.
5900 * tree-ssa-structalias.h (alias_info): Remove num_references.
5902 2006-05-21 Mike Stump <mrs@apple.com>
5904 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5906 (darwin_pragma_options): Use BAD instead.
5907 (darwin_pragma_unused): Likewise.
5908 (darwin_pragma_ms_struct): Likewise.
5910 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5912 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5914 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5916 PR rtl-optimization/27671
5917 * simplify-rtx.c (simplify_relational_operation_1): Fix
5918 simplifications of (eq/ne (xor x y) y) and
5919 (eq/ne (xor x y) x).
5921 PR tree-optimization/26622.
5922 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5925 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5927 * tree-cfg.c: Prune whitespace.
5928 (debug_tree_cfg): Point to correct header containing the
5931 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5934 * cgraphunit.c (verify_cgraph_node): Typo in error message.
5936 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
5939 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
5940 or sorry count is non zero.
5942 2006-05-20 Andreas Schwab <schwab@suse.de>
5944 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5946 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
5947 Kenneth Zadeck <zadeck@naturalbridge.com>
5949 PR rtl-optimization/26855
5951 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
5953 (df_scan_alloc): Added code to properly handle multiword hard
5954 registers and add all_blocks parameter.
5955 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5956 code to properly handle multiword hard registers.
5957 (df_rescan_blocks): Added code to remove deleted blocks from
5959 (df_ref_create_structure, df_ref_record): Added code to properly
5961 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5962 and set DF_REF_PARTIAL.
5963 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5964 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5965 (df_scan_add_problem): Added flags parameter.
5966 (df_ref_create_structure): Changed switching structure.
5967 (df_bb_refs_record): Fixed case where duplicate artificial refs
5968 were created. Changed location of flags.
5969 (df_record_entry_block_defs): Added code to make stack pointer
5970 live in entry block. Refined cases where frame pointer is needed.
5971 Changed location of flags.
5972 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5973 (df_set_state): Removed function.
5974 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5975 df_insn_create_insn_record, df_insn_refs_delete,
5976 df_ref_create_structure): Formatting changes.
5977 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5978 df_delete_basic_block): New function.
5979 (df_init): Changed location of flags.
5980 (df_add_problem): Added flags parameter and the way flags are
5982 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5983 debug_df_chain): Improved debugging output.
5984 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5985 (df_refs_chain_dump): Removed df parameter.
5986 (df_iterative_dataflow): Added consistency check.
5987 (df_prune_to_subcfg): Made public.
5988 (df_analyze_problem): Added blocks_to_init parameter and made
5990 (df_ref_record, df_bb_refs_record, df_mark_reg,
5991 df_record_exit_block_uses): Whitespace changes.
5992 (df_dump): Whitespace changes.
5993 * df.h: Some reordering to remove forward references.
5994 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5995 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5996 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5997 (dataflow.flags): New field.
5998 (df.flag): Deleted field.
5999 (df_alloc_function): Added additional bitmap parameter.
6000 (df_dependent_problem_function): New type.
6001 (df_problem.changeable_flags): New field.
6002 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
6003 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
6004 (df_mw_hardreg): New struct.
6005 (DF_INSN_UID_MWS): New macro.
6006 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
6008 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
6009 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
6010 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
6011 (df_set_state): Removed function.
6012 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
6013 * df-problems.c (df_chain_dump): Removed df parameter.
6014 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
6015 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
6017 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
6018 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
6019 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
6020 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
6021 DF_REF_MUST_CLOBBER cases.
6022 (df_ru_bb_local_compute_process_def,
6023 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
6024 df_lr_bb_local_compute, df_ur_bb_local_compute,
6025 df_chain_create_bb): Made subreg aware.
6026 (df_ru_bb_local_compute, df_rd_bb_local_compute,
6027 df_lr_bb_local_compute, df_lr_bb_local_compute,
6028 df_chain_create_bb): Cleanup to use proper macros.
6029 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
6030 code to fixup bitvectors.
6031 (df_ri_alloc): Cleared lifetime.
6032 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
6033 df_create_unused_note): New function.
6034 (df_ri_bb_compute, df_ri_compute): Added code to create/update
6035 REG_DEAD and REG_UNUSED notes as well as register information.
6036 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
6037 df_chains_dump): Fixed crash if problem was never run.
6038 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
6039 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
6040 df_ri_add_problem): Processes flags in uniform manner.
6041 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
6042 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
6043 df_rd_dump, df_urec_free_bb_info): Formatting changes.
6044 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
6045 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
6046 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
6047 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
6048 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
6049 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
6050 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
6051 * see.c (see_initialize_data): Ditto.
6052 * final.c (rest_of_clean_state) Added regstack_completed.
6053 * rtl.h (regstack_completed): Ditto.
6054 * reg-stack.c (regstack_completed): Ditto.
6056 2006-05-19 Mike Stump <mrs@apple.com>
6058 * c-tree.h (default_conversion): Remove.
6059 * c-common.h (default_conversion): Add.
6061 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
6063 * tree-vrp.c (valid_value_p): New function.
6064 (adjust_range_with_scev): Fail if the value of bound is not
6067 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6069 * config/mips/linux-unwind.h: Include <asm/unistd.h>
6070 (mips_fallback_frame_state): Use syscall numbers to determine
6071 the appropriate li instruction for the current ABI. Only use
6072 __NR_sigreturn for o32.
6074 2006-05-19 Nicolas Setton <setton@adacore.com>
6076 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6077 * langhooks.c (lhd_dwarf_name): New function.
6078 * langhooks-def.h (lhd_dwarf_name): Declare.
6079 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
6080 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
6081 * ada/misc.c (gnat_dwarf_name): New function.
6082 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
6084 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6086 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
6088 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6089 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
6090 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
6091 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
6092 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
6093 determine the size of Wtype, etc.
6094 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
6095 (swfloatfuncs): New variable.
6096 (dwfloatfuncs): Likewise.
6097 (lib2funcs): Remove floating-point conversion functions from
6098 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
6099 the set of conversion routines needed. Allow entries to specify
6100 an object name, filename and word size. Update users accordingly.
6101 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
6102 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
6106 2006-02-08 Roger Sayle <roger@eyesopen.com>
6109 * config/fixtfdi.c: New libgcc source file.
6110 * config/fixunstfdi.c: New source file.
6111 * config/floatditf.c: New source file.
6112 * config/floatunditf.c: New souce file.
6113 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6114 files above instead of config/mips/_tilib.c.
6115 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6117 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6119 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
6120 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
6122 2006-05-18 Mike Stump <mrs@apple.com>
6124 Fix up vla, vm and [*] sematics.
6130 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6131 (c_vla_unspec_p): Add.
6132 (c_vla_type_p): Add.
6133 * c-decl.c (struct c_scope): Add had_vla_unspec.
6134 (build_array_declarator): Add support for [*].
6135 (grokdeclarator): Likewise.
6136 (grokparms): Likewise.
6137 (get_parm_info): Likewise.
6138 * c-objc-common.c (c_vla_unspec_p): Likewise.
6139 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6140 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6141 typeof when argument is a variably modified type not inside sizeof or alignof.
6142 (c_parser_direct_declarator_inner): Propagate errors.
6143 (c_parser_sizeof_expression): Add support for [*].
6144 (c_parser_parms_declarator): Initialize had_vla_unspec.
6145 (c_parser_parms_list_declarator): Likewise.
6146 * c-typeck.c (c_vla_type_p): Add.
6147 (composite_type): Add support for vla compositing.
6148 (comptypes_internal): Add support for vla compatibility.
6149 (c_expr_sizeof_expr): Evaluate vla arguments.
6150 * tree.c (variably_modified_type_p): Update comment for [*].
6152 2006-05-18 Michael Matz <matz@suse.de>
6155 * config.host: Make assignments to host_xmake_file cumulative.
6156 * config.host (*-darwin*): Test $host, not $target.
6158 2006-05-12 Stuart Hastings <stuart@apple.com>
6160 * config/i386/i386.opt (-mstackrealign): New flag.
6161 * config/i386/i386.c (force_align_arg_pointer): New attribute.
6162 (ix86_handle_cconv_attribute): Emit error when
6163 force_align_arg_pointer attribute collides with too many regparms.
6164 (ix86_function_regparm): Limit regparms when used with
6165 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
6166 Support stack-realigning prologue in non-main functions. Emit
6167 warning for nested functions under -mstackrealign, emit error for
6168 nested functions with force_align_arg_pointer attribute.
6169 * doc/extend.texi (force_align_arg_pointer): Document it.
6170 * doc/invoke.texi (-mstackrealign): Document it.
6172 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
6174 PR rtl-optimization/27477
6175 * combine.c (try_combine): Don't split a parallel consisting
6176 of two sets into two individual sets if both sets reference
6179 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
6181 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6182 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6184 * doc/options.texi (VarExists): Updated.
6186 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6188 * unwind-dw2.c: Add declarations for uw_update_context and
6190 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6191 detected, advance frame state and context once to skip over stub.
6193 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6197 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6198 Call rewrite_into_loop_closed_ssa only when something changed.
6199 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6200 * lambda-code.c (can_convert_to_perfect_nest): Declared.
6201 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6202 Test for perfect_nest_p here. Fix formating.
6203 (replace_uses_equiv_to_x_with_y): Fix formating.
6204 (stmt_uses_op): Removed.
6205 (can_convert_to_perfect_nest): Removed loopivs parameter.
6206 Complete the test by checking the scalar dependences.
6207 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6210 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6213 From Dan Kegel <dank@kegel.com>:
6214 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6216 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
6218 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6219 if the element type is variably modified without recursing.
6221 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6224 * tree-loop-linear.c (try_interchange_loops): Test for
6225 no data dependences.
6227 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
6229 PR tree-optimization/27548
6230 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6231 range of ssa names that appear on abnormal edges.
6232 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6233 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6235 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6238 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6240 2006-05-17 Jakub Jelinek <jakub@redhat.com>
6243 * tree.h (OMP_PARALLEL_COMBINED): Define.
6244 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6245 (new_omp_context): Add is_combined_parallel argument.
6246 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6247 new_omp_context caller.
6248 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6249 Adjust gimplify_scan_omp_clauses callers.
6250 (omp_is_private): Issue errors if iteration variable is firstprivate
6251 or reduction in the current context.
6252 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6253 on combined parallel workshare constructs.
6255 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6257 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6258 (gcc-options.o): New rule.
6260 * optc-gen.awk: Protect variables for gcc-options.o with
6261 #ifdef GCC_DRIVER/#endif.
6263 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6265 Fix PR tree-optimization/27373
6266 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6267 (forward_propagate_addr_expr): Update call.
6269 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6271 * doc/options.texi: Move the Negative option.
6273 2006-05-16 Richard Guenther <rguenther@suse.de>
6275 PR tree-optimization/22303
6276 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6278 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6279 ccp_fold did not simplify the statement.
6281 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6284 * Makefile.in (GCC_OBJS): New.
6285 (OBJS-common): Add opts-common.o.
6286 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6287 (cpp$(exeext)): Likewise.
6288 (gcc.o): Also depend on opts.h.
6289 (opts-common.o): New.
6291 * common.opt (gcoff): Add Negative(gdwarf-2).
6292 (gdwarf-2): Add Negative(gstabs).
6293 (gstabs): Add Negative(gstabs+).
6294 (gstabs+): Add Negative(gvms).
6295 (gvms): Add Negative(gxcoff).
6296 (gxcoff): Add Negative(gxcoff+).
6297 (gxcoff+): Add Negative(gcoff).
6298 * config/i386/i386.opt (m32): Add Negative(m64).
6299 (m64): Add Negative(m32).
6301 * doc/options.texi: Document the Negative option.
6303 * gcc.c: Include "opts.h".
6304 (main): Call prune_options after expandargv.
6306 * optc-gen.awk: Generate common declarations for all flag
6307 variables in options.c. Output the neg_index field.
6309 * opts.c (find_opt): Moved to ...
6310 * opts-common.c: Here. New file.
6312 * opts.h (cl_option): Add a neg_index field.
6314 (prune_options): Likewise.
6316 2006-05-16 Jakub Jelinek <jakub@redhat.com>
6319 * omp-low.c (expand_omp_parallel): Don't assert
6320 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6321 instead search for it.
6324 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6327 2006-05-16 Andreas Schwab <schwab@suse.de>
6329 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6332 2006-05-15 Roger Sayle <roger@eyesopen.com>
6335 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6336 integer constants other than zero are only legitimate on TARGET_64BIT.
6337 <CONST_VECTOR> Only zero vectors are legitimate.
6338 (ix86_cannot_force_const_mem): Integral and vector constants can
6339 always be put in the constant pool.
6341 2006-05-16 DJ Delorie <dj@redhat.com>
6343 * crtstuff.c (__dso_handle): Set section from
6344 TARGET_LBIGCC_SDATA_SECTION if defined.
6345 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6346 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6348 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6351 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6354 2006-05-16 Ben Elliston <bje@au.ibm.com>
6356 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6358 2006-05-15 Per Bothner <per@bothner.com>
6360 * tree.c: (last_annotated_node): Use source_locus typedef.
6361 This permits bootstrapping with --enable-mapped-location.
6363 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6365 PR tree-optimization/26830
6366 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6367 (info_for_ssa_name, current_info_for_ssa_name_age,
6368 blocks_to_update): New variables.
6369 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6370 (clear_ssa_name_info, initialize_flags_in_bb,
6371 mark_block_for_update): New functions.
6372 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6373 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6374 prepare_def_site_for): Use mark_block_for_update.
6375 (mark_def_interesting): Assert that the processed block is marked in
6376 blocks_to_update. Do not take blocks argument.
6377 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6379 (rewrite_update_init_block, rewrite_update_stmt): Only process
6380 blocks with statements to rewrite.
6381 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6382 (update_ssa): Initialize and free blocks_to_update. Do not
6383 clear flags on statements. Do not use blocks bitmap.
6384 * tree.h (SSA_NAME_AUX): Removed.
6385 (struct tree_ssa_name): Removed aux field.
6386 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6388 2006-05-15 Richard Guenther <rguenther@suse.de>
6390 PR tree-optimization/27603
6391 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6392 Do computations in original type.
6394 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6396 * see.c: Code style changes such as redundant paranthesis,
6397 redundant intialization of local variables etc.
6398 (see_main): Declared now as static.
6399 * doc/invoke.texi: Update that -fsee is not enabled by
6402 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6404 * omp-low.c (check_omp_nesting_restrictions): New function.
6405 (scan_omp_1): Call it.
6408 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6409 construct, return *VAR.
6411 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6413 PR rtl-optimization/27406
6414 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6417 2006-05-14 Roger Sayle <roger@eyesopen.com>
6419 PR rtl-optimization/27538
6420 * combine.c (expand_compound_operation): Call gen_lowpart
6421 before calling simplify_shift_const.
6423 2006-05-14 Roger Sayle <roger@eyesopen.com>
6425 PR rtl-optimization/22563
6426 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6427 a fixed width bitfield, always force the intermediates into psuedos.
6429 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6432 * mkconfig.sh: Use operator = instead of == for test.
6434 2006-05-13 Nick Clifton <nickc@redhat.com>
6436 * dwarf2out.c (dbx_reg_number): Check return value from
6437 LEAF_REG_REMAP and only use it if it is valid.
6438 (multiple_reg_loc_descriptor): Likewise.
6440 2006-05-13 Richard Guenther <rguenther@suse.de>
6442 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6445 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6447 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6448 information attached to non-INSNs such as NOTEs.
6449 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6451 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6453 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6455 * config/s390/s390.md: Adjust comment describing On constraint.
6457 2006-05-11 Jan Hubicka <jh@suse.cz>
6459 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6460 to be output at -O0.
6462 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6465 * fold-const.c (size_binop): Move sanity check for arguments to
6466 the beginning of the function.
6469 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6472 2006-05-11 Richard Guenther <rguenther@suse.de>
6475 * fold-const.c (fold_unary): Handle intermediate conversion
6476 to a pointer type like intermediate conversion to an integer
6477 type in folding of (T1)(T2)var to var.
6478 Match the code to the comment in the final conversion for
6479 (T1)(T2)var to (T1)var regarding to type precision. Rather
6480 than disallow T1 being of pointer type, assert that both T1
6481 and var are of pointer type or not. Make sure not to fall
6482 over the frontends lazyness wrt array to pointer decay though.
6484 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6486 * arm.c (arm_struct_value_rtx): Delete.
6487 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6488 (arm_init_cumulative_args): Always initialize nregs to zero.
6490 2006-05-10 Richard Guenther <rguenther@suse.de>
6492 PR tree-optimization/27532
6493 * tree-object-size.c (plus_expr_object_size): Fix typo.
6495 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6498 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6499 ashrdi_const, ashrdi3): Use a scratch register.
6501 2006-05-10 Richard Guenther <rguenther@suse.de>
6503 PR tree-optimization/27302
6504 * fold-const.c (operand_equal_p): For two comparisons,
6505 try comparison of one comparison code swapped if that yields
6508 2006-05-10 Ben Elliston <bje@au.ibm.com>
6510 * tree-pretty-print.c (pretty_print_string): No need to handle
6511 '\0' as a special character.
6513 * tree.h: Include "hashtab.h".
6514 (iterative_hash_expr): Use hashval_t in its prototype.
6515 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6517 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6520 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6521 (hppa*64*-*-hpux11*): Ditto.
6522 (hppa[12]*-*-hpux11*): Ditto.
6524 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6527 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6529 2006-05-09 Michael Matz <matz@suse.de>
6531 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6532 host_extra_gcc_objs and host_xmake_file.
6533 (<*-*-linux*>): Don't overwrite host_xmake_file.
6534 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6535 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6536 (host_detect_local_cpu): Declare.
6537 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6538 * config/i386/i386.c (override_options): Handle -mtune=native
6540 * config/i386/x-i386: New file.
6541 * config/i386/driver-i386.c: New file.
6542 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6545 2006-05-09 Dirk Mueller <dmueller@suse.de>
6546 Richard Guenther <rguenther@suse.de>
6549 * fold-const.c (fold_read_from_constant_string): Relax check
6550 for matching types to matching modes.
6552 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6554 PR rtl-optimization/27335
6555 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6558 2006-05-08 Chao-ying Fu <fu@mips.com>
6559 Richard Sandiford <richard@codesourcery.com>
6561 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6562 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6563 * config/mips/mips.md (UNSPEC_SCC): New constant.
6564 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6565 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6566 (mips_emit_compare): Use it.
6567 (mips_expand_vcondv2sf): New function.
6569 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6571 Fix PR tree-optimization/27093
6572 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6573 renaming when they become not-used_alone.
6575 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6577 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6578 relocation and relocation stubs.
6580 2006-05-08 Eric Christopher <echristo@apple.com>
6582 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6585 2006-05-08 Jan Hubicka <jh@suse.cz>
6588 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6589 unused static functions are needed.
6591 2006-05-08 Roger Sayle <roger@eyesopen.com>
6594 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6595 of a reg_equiv_constant if the result is a legitimate constant.
6597 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6600 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6601 standard 80387 constants, raise the cost to prevent
6602 compress_float_constant() to generate load from memory.
6604 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6606 * config/arm/constraints.md (c): Fix a typo.
6608 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6611 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6614 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6616 (_mm_mwait): Likewise.
6618 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6620 (sse3_monitor): Make it 32bit only.
6621 (sse3_monitor64): New. 64bit monitor.
6623 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6626 * config/i386/i386.c (classify_argument): Skip fields with invalid
6629 2006-05-07 Richard Guenther <rguenther@suse.de>
6631 PR tree-optimization/27409
6632 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6633 Do not try to find zero-sized subvars.
6635 2006-05-07 Richard Guenther <rguenther@suse.de>
6637 PR tree-optimization/27136
6638 * tree-ssa-loop-niter.c (get_val_for): Correct function
6639 comment, assert requirements.
6640 (loop_niter_by_eval): Stop processing if the iterated
6641 value did not simplify.
6643 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6645 * opts.c (flag_see): remove its setting at -O3.
6647 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6649 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6650 * arm/constraints.md: New file.
6651 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6652 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6653 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6654 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6655 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6656 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6657 * arm.md: Include constraints.md.
6658 (thumb_movsi_insn): Use satisfies_constraint_J.
6659 (movhi, movqi): Use satisfies_constraint_I.
6661 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6663 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6664 for atmeg a645 device.
6666 2006-05-06 Richard Guenther <rguenther@suse.de>
6668 PR tree-optimization/27151
6669 * tree-vect-transform.c (vectorizable_condition): Punt on
6670 values that have a different type than the condition.
6672 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6675 * c-parser.c (c_parser_cast_expression): Only insert casts into
6676 hash table if pointer.
6677 * function.c (used_types_insert_helper): Rename from
6679 (used_types_insert): Call used_types_insert_helper.
6680 * function.h (used_types_insert): Accept only one argument.
6682 2006-05-05 David Edelsohn <edesohn@gnu.org>
6684 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6685 scratch with output modifier.
6687 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6690 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6691 with output modifier.
6693 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6696 * config/mips/mips.c (mips_symbolic_address_p): Return true
6697 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6698 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6700 2006-05-04 Richard Guenther <rguenther@suse.de>
6702 PR tree-optimization/14287
6703 PR tree-optimization/14844
6704 PR tree-optimization/19792
6705 PR tree-optimization/21608
6706 PR tree-optimization/27090
6707 * tree-ssa-pre.c (try_combine_conversion): New function.
6708 (compute_avail): After constructing the value-handle
6709 expression, use try_combine_conversion to combine NOP_EXPRs
6710 with previous value-handle expressions and use the result if it
6713 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6715 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6717 2006-05-04 Jan Hubicka <jh@suse.cz>
6720 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6722 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6724 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6725 that this only matches CONST_INTs. All users changed to VOIDmode
6728 * config/bfin/bfin.c: Include "optabs.h".
6729 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6731 (enum bfin_builtins): Add a number of fractional and vector builtins.
6732 (bfin_init_builtins): Likewise.
6733 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6734 (safe_vector_operand, bfin_expand_binop_builtin,
6735 bfin_expand_unop_builtin): New functions.
6736 (bfin_expand_builtin): Handle the new builtins.
6737 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6740 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6743 * Makefile.in (OBJS-common): Add see.o.
6744 (see.o): Add dependencies.
6745 * common.opt (fsee): New flag for the see optimization was added.
6746 * opts.c (flag_see): Initialized.
6747 * passes.c (init_optimization_passes, pass_see): New pass.
6748 * rtl.h (see_main): Declaration as extern.
6749 * timevar.def (TV_SEE): New.
6750 * tree-pass.h (pass_see): Declaration as extern.
6751 * invoke.texi (-fsee): Document.
6752 * recog.c (validate_simplify_insn): New function.
6753 * recog.h (validate_simplify_insn): Declaration as extern.
6754 * df-problems.c (df_chain_dump): Check for NULL.
6756 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6757 Daniel Berlin <dberlin@dberlin.org>
6759 * cfgrtl.c (insert_insn_bb_end_new): New function.
6760 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6762 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6764 * df.h (struct web_entry): Moved from web.c.
6765 (union_defs): Declaration as extern.
6766 (unionfind_root): Likewise.
6767 (unionfind_union): Likewise.
6768 * web.c (struct web_entry): Moved to df.h.
6769 (unionfind_root): Remove static declaration.
6770 (unionfind_union): Likewise.
6771 (union_defs): Likewise and generalize to use callback function.
6772 (web_main): Update arguments for union_defs function call.
6774 2006-05-04 Richard Guenther <rguenther@suse.de>
6776 PR tree-optimization/26447
6777 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6778 produce SSA_NAME copies before the store stmt to avoid
6779 breaking exception handling.
6781 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6784 * gimplify.c (omp_is_private): If var is shared in some outer context,
6785 return false instead of true. Stop searching on parallel context
6788 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6791 * coverage.c: Use get_gcov_unsigned_t() instead of
6792 unsigned_type_node all over.
6794 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6796 PR tree-optimization/27381
6797 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6798 maintain the same immediate_use links.
6799 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6800 node rather than segfaulting.
6802 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6805 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6806 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6807 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6809 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6811 Fix PR tree-optimization/26626
6812 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6814 * tree-ssa-operands.c (access_can_touch_variable): Allow
6815 typecasting through union pointers.
6817 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6820 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6821 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6822 to find if var will be a global variable even in the nested context.
6823 (omp_copy_decl): Only check for global variable at the end, it might
6824 be overridden in outer contexts.
6825 (scan_sharing_clauses): For global variables don't create a field.
6826 (lower_rec_input_clauses): Do nothing for global shared variables.
6827 Emit a barrier at the end of ILIST if there were any decls in both
6828 firstprivate and lastprivate clauses.
6829 (lower_send_clauses): Do nothing for global variables except for
6832 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6834 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6835 of the correct signedness is returned.
6837 2006-05-02 Jeff Law <law@redhat.com>
6839 PR tree-optimization/27364
6840 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6841 multiply expressions.
6843 2006-05-02 Tom Tromey <tromey@redhat.com>
6845 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6847 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6850 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6851 -mthumb -fPIC are used.
6853 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6854 Joshua Kinard <kumba@gentoo.org>
6857 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6858 with 64-bit pointers.
6860 2006-05-02 Paul Brook <paul@codesourcery.com>
6862 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6864 (create_fix_barrier): Check that a suitable barrier location is
6866 (arm_reorg): Include ftmp->address in allowable range of addresses.
6868 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6871 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6874 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6877 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6878 around RESULT_DECL for result passed by reference.
6879 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6880 * omp-low.c (use_pointer_for_field): Don't look at
6881 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6882 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6883 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6884 time or var for passing by reference for
6885 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6886 TREE_ADDRESSABLE variables when passing by reference.
6888 * omp-low.c (dump_omp_region): Fix output formatting.
6891 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6892 (expand_omp_parallel): Likewise.
6893 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6896 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6897 on statement list containing also constructors and destructors.
6898 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6901 * except.c (duplicate_eh_regions): Fix clearing of
6902 cfun->eh->region_array entries.
6904 2006-05-01 DJ Delorie <dj@redhat.com>
6906 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6908 (gcc_cv_objdump): Likewise.
6909 * configure: Regenerated.
6911 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6914 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6915 templates for case 3 and 4.
6917 2006-05-01 DJ Delorie <dj@redhat.com>
6919 * vec.c: Include bconfig.h when appropriate.
6920 * Makefile.in (build/vec.o): Adjust dependencies.
6921 * mkconfig.sh: Make sure config.h isn't used for build machine
6924 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6926 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6928 (mark_phi_for_rewrite): New function.
6929 (insert_phi_nodes_for, mark_use_interesting): Call
6930 mark_phi_for_rewrite.
6931 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
6932 (update_ssa): Initialize and free phis_to_rewrite.
6934 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6936 PR rtl-optimization/27291
6937 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
6938 folded to a constant.
6940 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6942 PR tree-optimization/27283
6943 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
6944 not whole # of iteration descriptions.
6945 (niter_for_exit): Return just # of iterations. Fail if # of iterations
6946 uses abnormal ssa name.
6947 (niter_for_single_dom_exit): Ditto.
6948 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
6949 return just the number of iterations.
6951 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6953 PR tree-optimization/27144
6954 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
6955 (record_estimate): Only record constant upper bound.
6956 (infer_loop_bounds_from_undefined): Call
6957 compute_estimated_nb_iterations just once.
6958 (proved_non_wrapping_p): Renamed to ...
6959 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6960 (convert_step_widening, scev_probably_wraps_p): Call
6961 n_of_executions_at_most instead of proved_non_wrapping_p.
6962 (substitute_in_loop_info): Do not replace values in bounds.
6963 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6966 2006-05-01 Richard Henderson <rth@redhat.com>
6969 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6970 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6973 2006-05-01 Roger Sayle <roger@eyesopen.com>
6975 * c-typeck.c (parser_build_binary_op): Don't call the function
6976 unsigned_conversion_warning to spot operand/result type overflow.
6977 (build_binary_op): Instead, call convert_and_check instead of
6978 convert to report the problem when the operands are promoted.
6979 * c-common.c (unsigned_conversion_warning): Make static.
6980 * c-common.h (unsigned_conversion_warning): Delete prototype.
6982 2006-05-01 Richard Guenther <rguenther@suse.de>
6984 PR tree-optimization/26726
6985 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6987 (find_interesting_uses_address): ... we work around here
6988 by folding INDIRECT_REFs in the substituted base.
6990 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6992 * omp-low.c (dump_omp_region): Add newlines.
6994 2006-04-30 Roger Sayle <roger@eyesopen.com>
6996 * common.opt (Woverflow): New command line option.
6997 * c-common.c (constant_expression_warning): Check warn_overflow.
6998 (overflow_waring): Pass OPT_Woverflow to warning.
6999 (unsigned_conversion_warning): Likewise.
7000 (convert_and_check): Likewise.
7001 * doc/invoke.texi: Document new command line option.
7003 2006-04-30 David Edelsohn <edelsohn@gnu.org>
7005 * config/rs6000/rs6000.c (rs6000_override_options): Enable
7006 TARGET_NO_FP_IN_TOC for section anchors.
7007 (optimization_options): Enable section anchors for all
7008 non-"Objective" languages.
7010 2006-04-28 Eric Christopher <echristo@apple.com>
7012 * config/darwin-c.c (darwin_ms_struct): Move this
7013 (darwin_set_default_type_attributes): and this...
7014 * config/darwin.c: ... here.
7015 * config/darwin.h (darwin_ms_struct): Declare.
7017 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
7019 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
7021 2006-04-28 Roger Sayle <roger@eyesopen.com>
7024 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
7025 (push_array_bounds): Delete prototype. Change BOUNDS argument to
7026 an unsigned HOST_WIDE_INT.
7027 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
7029 (really_start_incremental_init): No need to call convert because
7030 bitsize_zero_node is already of type bitsizetype.
7031 (push_init_level): Extract the value of constructor_index as an
7032 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
7033 (process_init_element): Likewise.
7035 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
7037 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
7038 value before passing to make_relative_prefix.
7040 2006-04-28 Alan Modra <amodra@bigpond.net.au>
7043 * builtins.c (expand_builtin_memset): Expand val in original mode.
7045 2006-04-27 Eric Christopher <echristo@apple.com>
7047 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
7048 with #ifndef/#endif.
7049 * config/darwin-c.c (darwin_ms_struct): New.
7050 (darwin_pragma_ms_struct): Ditto.
7051 (darwin_set_default_type_attributes): Ditto.
7052 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
7053 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7054 Register ms_struct pragma.
7055 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7056 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7057 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7058 darwin_set_default_type_attributes if TARGET_MACHO.
7060 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
7062 PR tree-optimization/26854
7063 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
7064 * doc/tree-ssa.texi: Update immuse iterator documentation.
7065 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
7066 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
7067 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
7068 first_safe_imm_use, next_safe_imm_use): Remove.
7069 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
7070 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
7071 (move_use_after_head): New. Helper function to sort immuses in a stmt.
7072 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
7073 (first_imm_use_stmt): New. Get first stmt in an immuse list.
7074 (next_imm_use_stmt): New. Get next stmt in an immuse list.
7075 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
7076 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
7077 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
7078 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
7079 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
7080 (perfect_nestify): Use new iterator.
7081 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
7083 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
7084 (next_imm_name): New field in struct immediate_use_iterator_d.
7085 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
7086 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
7087 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
7088 * tree-cfg.c (replace_uses_by): Use new iterator.
7089 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
7090 * tree-ssa-operands.c (correct_use_link): Remove.
7091 (finalize_ssa_use_ops): No longer call correct_use_link.
7093 2006-04-27 Stuart Hastings <stuart@apple.com>
7095 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
7096 * config/t-darwin (crt3.o): Use it.
7097 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
7098 'pmode', use Pmode instead of SImode for SYMBOL_REF.
7099 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
7100 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
7101 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
7104 2006-04-27 Roger Sayle <roger@eyesopen.com>
7106 * expmed.c (store_fixed_bit_field): If we're not optimizing for
7107 size, force the intermediate into a new pseudo rather instead of
7108 performing both a bitwise AND and a bitwise IOR in memory.
7110 2006-04-27 Richard Guenther <rguenther@suse.de>
7112 PR rtl-optimization/26685
7113 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
7114 this one "max-flow-memory-locations".
7116 2006-04-27 Richard Guenther <rguenther@suse.de>
7118 PR tree-optimization/25148
7119 * tree-vrp.c (compare_values): Remove code dealing with
7120 comparisons against type min/max value. Honour overflow
7121 and negative constants in code dealing with comparisons
7122 of plus and minus expressions.
7123 (value_inside_range): Use fold_binary with LE_EXPR and
7124 GE_EXPR rather than compare_values.
7126 2006-04-27 Dirk Mueller <dmueller@suse.de>
7128 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7131 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
7133 * basic-block.h (safe_insert_insn_on_edge): Removed.
7134 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7136 2006-04-26 David Edelsohn <edelsohn@gnu.org>
7137 Paolo Bonzini <bonzini@gnu.org>
7140 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7141 (simplify_and_const_int): Same.
7143 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
7145 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
7147 2006-04-26 Jakub Jelinek <jakub@redhat.com>
7150 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
7151 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
7152 cgraph_global_info_ready.
7155 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7158 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7159 either decl or init is error_mark_node.
7162 * tree-flow.h (struct omp_region): Add sched_kind.
7163 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7164 instead of extracting omp for data.
7165 (expand_omp_for): Save extracted sched_kind.
7167 2006-04-25 Roger Sayle <roger@eyesopen.com>
7169 * expmed.c (store_bit_field): Also check whether the bitsize is
7170 valid for the machine's "insv" instruction before moving the
7171 target into a pseudo for use with the insv.
7172 * config/i386/predicates.md (const8_operand): New predicate.
7173 * config/i386/i386.md (extv, extzv, insv): Use the new
7174 const8_operand predicate where appropriate.
7176 2006-04-25 DJ Delorie <dj@redhat.com>
7178 * doc/install.texi (Specific): Clarify that this is not a list of
7179 supported hosts or targets.
7181 2006-04-25 Richard Sandiford <richard@codesourcery.com>
7183 PR rtl-optimization/26725
7184 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7185 block's BB_DIRTY flag.
7187 2006-04-25 Geoffrey Keating <geoffk@apple.com>
7189 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7192 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7193 to print an integer.
7195 2006-04-25 David Edelsohn <edelsohn@gnu.org>
7197 * varasm.c (align_variable): New function.
7198 (get_block_for_decl): Apply align_variable to DECL before
7199 calculating section information.
7200 (assemble_variable): Split out alignment computation.
7202 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
7204 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7207 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
7209 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7210 MODE_PARTIAL_INT mode.
7211 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7212 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7214 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7215 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7217 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7219 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7221 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7222 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7223 MACFLAG_IH): Likewise.
7224 (movstricthi_1): Renamed from "*movstricthi".
7225 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7226 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7227 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7228 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7229 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7230 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7231 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7232 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7233 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7234 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7235 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7236 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7237 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7238 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7239 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7241 * doc/rtl.texi (ss_ashift): Improve wording.
7243 2006-04-24 Geoffrey Keating <geoffk@apple.com>
7245 * dwarf2out.c (verify_marks_clear): New.
7246 (prune_unused_types): Call verify_marks_clear initially, not
7249 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7251 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7252 * doc/rtl.texi: Document them.
7253 * simplify-rtx.c (simplify_unary_operation,
7254 simplify_binary_operation_1): Don't abort when we see them.
7256 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7259 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7260 * configure.ac: Completely disregard languages that are not
7262 * configure: Regenerated.
7264 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7265 Richard Guenther <rguenther@suse.de>
7267 PR tree-optimization/27236
7268 * tree-inline.c (copy_body_r): Make sure to copy
7269 TREE_THIS_VOLATILE flag.
7271 2006-04-24 Richard Guenther <rguenther@suse.de>
7274 * tree-complex.c (update_parameter_components): Don't handle
7275 unused parameters which have no default def.
7277 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7278 Richard Guenther <rguenther@suse.de>
7280 PR tree-optimization/27218
7281 * tree-inline.c (expand_call_inline): Strip useless type
7282 conversions for the return slot address.
7284 2006-04-24 Richard Guenther <rguenther@suse.de>
7286 * cfgloop.h (struct loops): Remove unused field array. Reorder
7288 (LOOP_PREFETCH): Remove.
7290 2006-04-24 Richard Guenther <rguenther@suse.de>
7292 PR tree-optimization/22525
7293 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7294 variable, adjust types of generated expressions.
7296 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7298 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7299 (tree-vect-patterns.o): Likewise.
7301 (cselib.o): Likewise.
7302 (loop-doloop.o): Likewise.
7303 (regclass.o): Likewise.
7304 (reload1.o): Likewise.
7305 (explow.o): Replace target.h with $(TARGET_H).
7306 (ipa-prop.o): Likewise.
7307 (ipa-cp.o): Likewise.
7308 (ipa-inline.o): Likewise.
7309 (reorg.o): Likewise.
7310 (reg-stack.o): Likewise.
7312 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7314 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7316 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7318 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7320 * configure.ac: Completely disregard languages that are not
7322 * configure: Regenerated.
7325 * c-common.h (c_build_bitfield_integer_type): Declare.
7326 * c-decl.c (c_build_bitfield_integer_type): Move to ...
7327 * c-common.c (c_build_bitfield_integer_type): ... here.
7329 2006-04-23 Roger Sayle <roger@eyesopen.com>
7332 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7333 a SImode SUBREG of a floating point register after no_new_pseudos.
7335 2006-04-23 Roger Sayle <roger@eyesopen.com>
7337 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7338 identify potentially eliminable registers to additionally catch
7339 VIRTUAL_INCOMING_ARGS_REGNUM.
7340 (addsi3): Update the conditions on when to use addsi_small_int.
7342 2006-04-23 Roger Sayle <roger@eyesopen.com>
7345 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7346 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7347 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7349 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7351 * fold-const.c (range_predecessor): Use operand_equal_p
7352 as the predicate for equality.
7353 (range_successor): Likewise.
7355 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7358 * config/soft-fp/op-common.h: Fix a typo.
7360 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7363 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7364 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7366 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7368 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7370 * doc/tm.texi: Fix a typo.
7372 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7374 * dwarf2out.c (struct die_struct): Document that die_sib makes
7375 a circular linked list.
7376 (FOR_EACH_CHILD): New.
7377 (reverse_die_lists): Delete.
7378 (reverse_all_dies): Delete.
7379 (add_dwarf_attr): Correct documentation.
7380 (remove_child_with_prev): New.
7381 (remove_child_TAG): Update for change to die_struct, use
7382 remove_child_with_prev.
7383 (add_child_die): Update for change to die_struct.
7384 (splice_child_die): Use remove_child_with_prev and add_child_die.
7385 (print_die): Use FOR_EACH_CHILD.
7386 (die_checksum): Likewise.
7387 (assign_symbol_names): Likewise.
7388 (output_location_lists): Likewise.
7389 (build_abbrev_table): Likewise.
7390 (calc_die_sizes): Likewise.
7391 (mark_dies): Likewise.
7392 (unmark_dies): Likewise.
7393 (unmark_all_dies): Likewise.
7394 (output_die): Likewise.
7395 (prune_unused_types_mark): Likewise.
7396 (prune_unused_types_walk): Likewise.
7397 (same_die_p): Update for change to die_struct.
7398 (break_out_includes): Likewise.
7399 (prune_unused_types_prune): Likewise.
7400 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7401 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7403 (dwarf2out_finish): Don't call reverse_all_dies.
7405 2006-04-21 Eric Christopher <echristo@apple.com>
7407 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7408 in comments and function names.
7410 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7413 * c-typeck.c (digest_init): Robustify.
7415 * c-typeck.c (pop_init_level): Simplify.
7417 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7419 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7421 2006-04-21 Paul Brook <paul@codesourcery.com>
7423 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7424 hardware floating point.
7426 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7428 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7431 2006-04-21 Nick Clifton <nickc@redhat.com>
7433 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7436 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7439 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7440 C++ lang type in traceback table for Objective-C++.
7442 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7444 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7446 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7448 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7451 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7452 were errors. Remove check for erroneous objects.
7454 2006-04-20 Jeff Law <law@redhat.com>
7456 PR tree-optimization/26854
7457 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7458 checking for zero or one use.
7459 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7460 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7461 * tree-ssa-reassoc.c (negate_value): Similarly.
7462 (reassociate_bb): Similarly.
7464 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7466 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7467 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7468 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7470 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7472 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7473 fp regs if the last fp arg doesn't fit in regs.
7475 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7478 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7479 that the last insn has the REG_INC note.
7481 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7482 Nathan Sidwell <nathan@codesourcery.com>
7485 * stor-layout.c (update_alignment_for_field): Do not align
7487 (place_union_field): Place union field at the start of the union.
7488 (place_field): Move ERROR_MARK check later, and use the current
7489 allocation position to maintain monotonicity.
7491 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7493 * dominance.c: Include timevar.h.
7494 (calculate_dominance_info): Use TV_DOMINANCE.
7495 * timevar.def (TV_DOMINANCE): New timevar.
7496 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7498 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7500 PR rtl-optimization/14261
7501 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7502 move would be an INSV insn.
7503 (noce_process_if_block): Don't optimize if the destination is a
7504 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7506 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7508 * config/s390/s390.md: Add comments with the instructions emitted
7509 by an insn pattern if macros are used.
7511 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7513 PR rtl-optimization/26026
7514 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7515 is a known power of two shifted left a variable amount.
7517 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7519 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7520 to hash table twice when the debug_str section has SECTION_MERGE.
7522 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7524 * config/soft-fp: New directory. From glibc.
7525 * config/soft-fp/t-softfp: New.
7526 * config/soft-fp/README: New.
7527 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7528 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7529 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7530 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7531 * config.gcc: Use rs6000/t-fprules-fpbit or
7532 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7534 * config/rs6000/sfp-machine.h: New. Based on glibc.
7535 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7537 * config/rs6000/t-fprules: Remove fp-bit rules.
7538 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7539 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7540 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7541 (softfp_wrap_start, softfp_wrap_end): New.
7543 2006-04-18 DJ Delorie <dj@redhat.com>
7545 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7547 2006-04-18 Devang Patel <dpatel@apple.com>
7549 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7551 2006-04-18 Nick Clifton <nickc@redhat.com>
7553 * config/sh/t-symbian: Add rule to build sh-c.o
7554 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7555 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7556 (sh_symbian_encode_section_info): Likewise.
7558 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7560 * builtins.c (expand_builtin_strcmp): Cover label definition of
7561 do_libcall with HAVE_cmpstrnsi.
7563 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7565 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7567 * function.h (temp_slot_p): New.
7568 (function): Change the type of x_used_temp_slots to
7569 VEC(temp_slot_p,gc) *.
7571 2006-04-18 Nick Clifton <nickc@redhat.com>
7573 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7574 flag_strength_reduce.
7576 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7578 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7582 Partial revert of revision 112637
7583 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7584 Dale Johannesen <dalej@apple.com>
7587 * regclass.c (struct reg_pref): Update documentation.
7588 (regclass): Set prefclass to NO_REGS if memory is the best option.
7589 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7591 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7593 PR tree-optimization/26821
7594 * tree-ssa-math-opts.c (get_constant_one): New.
7595 (insert_reciprocals): Use it.
7597 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7599 * dwarf2out.c (free_AT): Delete.
7600 (remove_AT): Update string ref counts.
7601 (remove_child_TAG): Don't call free_die.
7603 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7604 or DW_TAG_GNU_EINCL.
7605 (prune_unused_types_walk_attribs): Reset string refcounts.
7606 (prune_unused_types_update_strings): New.
7607 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7608 call free_die. Do call prune_unused_types_update_strings.
7609 (prune_unused_types): Empty debug_str_hash.
7611 2006-04-17 Roger Sayle <roger@eyesopen.com>
7613 * expr.c (expand_assignment): Optimize away no-op moves where the
7614 source and destination are equal and have no side-effects.
7616 2006-04-17 Richard Guenther <rguenther@suse.de>
7619 * reload.c (push_reload): Guard calls to get_secondary_mem
7622 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7624 * alias.c (reg_base_value, old_reg_base_value): Change the
7625 type to VEC(rtx,gc) *.
7626 (REG_BASE_VALUE, find_base_value, record_set,
7627 init_alias_analysis): Use VEC instead of VARRAY.
7629 * alias.c (alias_sets): Change the type to
7630 VEC(alias_set_entry,gc) *.
7631 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7632 VEC instead of VARRAY.
7633 (last_alias_set): Remove.
7635 * cgraph.h (cgraph_edge_p): New.
7636 Update the prototype of cgraph_function_versioning.
7637 * cgraphunit.c (cgraph_copy_node_for_versioning,
7638 cgraph_function_versioning): Use VEC instead of VARRAY.
7639 * ipa-cp.c (ipcp_insert_stage): Likewise.
7641 2006-04-16 Roger Sayle <roger@eyesopen.com>
7644 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7645 "A op B" or "A op C", we may need to convert A to the type of B and C.
7647 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7649 * target.h (struct gcc_target): Add mode_rep_extended.
7650 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7651 (init_num_sign_bit_copies_in_rep): Initialize it using
7653 (truncate_to_mode): Use it.
7654 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7655 * targhooks.h (default_mode_rep_extended): Declare it.
7656 * targhooks.c (default_mode_rep_extended): Define it.
7657 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7658 default_mode_rep_extended.
7659 (TARGET_INITIALIZER): Include it.
7660 * doc/tm.texi (Misc): Document it.
7661 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7662 (mips_truncated_to_mode): New function.
7664 2006-04-16 Roger Sayle <roger@eyesopen.com>
7667 * expr.c (compress_float_constant): Copy the narrow constant into
7668 a new pseudo before extending it to its final width.
7670 2006-04-16 Roger Sayle <roger@eyesopen.com>
7671 Andrew Pinski <pinskia@gcc.gnu.org>
7672 Dale Johannesen <dalej@apple.com>
7675 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7676 special case code to implement V8HImode and V16QImode with SSE2.
7678 2006-04-15 Roger Sayle <roger@eyesopen.com>
7680 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7681 trees are constructed with a suitable tree type.
7683 2006-04-15 Roger Sayle <roger@eyesopen.com>
7685 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7686 (integer_onep): Likewise.
7687 (integer_all_onesp): Likewise.
7688 (integer_pow2p): Likewise.
7689 (integer_nonzerop): Likewise.
7690 (real_zerop): Likewise.
7691 (real_onep): Likewise.
7692 (real_twop): Likewise.
7693 (real_minus_onep): Likewise.
7694 (int_size_in_bytes): Likewise.
7695 (host_integerp): Likewise.
7697 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7699 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7700 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7701 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7703 * tree-ssa-structalias.h (alias_info): Remove num_references.
7705 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7707 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7708 (output_bvb patterns): Likewise.
7709 * pa.c (output_bb): Use 'bb' insn for long branch case.
7710 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7711 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7712 1. Correct length operand for alternatives 1 and 2.
7713 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7714 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7716 2006-04-14 Roger Sayle <roger@eyesopen.com>
7718 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7719 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7720 were accidentally reverted by r112959.
7722 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7725 * except.h (eh_region_outermost): New prototype.
7726 * except.c (eh_region_outermost): New function.
7727 * tree-cfg.c (find_outermost_region_in_block): Use it.
7729 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7731 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7733 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7734 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7735 (init_reload, reload): Use VEC instead of VARRAY.
7736 * reload.h: Update the prototype for
7737 reg_equiv_memory_loc_varray.
7739 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7740 Eric Botcazou <ebotcazou@libertysurf.fr>
7742 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7745 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7748 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7749 to expand fallback builtin function call.
7751 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7754 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7755 and emit libcall here in case the builtin fails.
7756 (expand_builtin_strcmp): Always emit the libcall here on failure.
7758 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7760 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7761 * flow.c (reg_n_info): Change the type to
7762 VEC(reg_info_p,heap) *.
7763 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7765 * regs.h (reg_info_p): New.
7766 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7767 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7768 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7771 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7773 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7775 * params.h (MAX_SCHED_READY_INSNS): New macro.
7776 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7777 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7778 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7779 the ready list for 1 cycle during the first scheduling pass.
7780 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7782 2006-04-13 Richard Henderson <rth@redhat.com>
7785 * gimple-low.c (lower_omp_directive): Remove dead code.
7786 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7787 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7788 * omp-low.c (struct omp_region): Move to tree-flow.h.
7789 (root_omp_region): Export.
7790 (omp_regions, lookup_omp_region): Remove.
7791 (determine_parallel_type): Update for struct omp_region changes.
7792 (dump_omp_region): Dump regions with block numbers.
7793 (new_omp_region): Take type and block instead of stmt; malloc
7795 (free_omp_region_1, free_omp_regions): New.
7796 (expand_parallel_call): Take entry_stmt as argument; update for
7797 changes to omp_region.
7798 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7799 (remove_exit_barriers): New.
7800 (expand_omp_parallel): Update for struct omp_region changes.
7801 (expand_omp_synch): Likewise.
7802 (expand_omp): Likewise.
7803 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7804 (expand_omp_for_static_chunk): Likewise.
7805 (expand_omp_for): Likewise.
7806 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7807 (expand_omp_sections): Similarly, with GOMP_sections_end.
7808 (expand_omp_single): New.
7809 (build_omp_regions_1): Update for OMP_CONTINUE.
7810 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7811 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7812 OMP_SECTIONS_SECTIONS.
7813 (lower_omp_single_simple): Don't emit barrier here.
7814 (lower_omp_single_copy): Likewise.
7815 (lower_omp_single): Fix bindings, and lower to straightline now.
7816 (lower_omp_master, lower_omp_ordered): Likewise.
7817 (lower_omp_critical): Likewise.
7818 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7819 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7820 omp edges, free it afterward.
7821 (make_omp_sections_edges): Remove.
7822 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7823 (move_stmt_r): Handle OMP_CONTINUE.
7824 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7825 statement pointers to basic blocks. Add type member.
7826 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7827 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7828 * tree-inline.c (estimate_num_insns_1): Likewise.
7829 * tree-pretty-print.c (dump_generic_node): Likewise.
7830 * tree-ssa-operands.c (get_expr_operands): Likewise.
7831 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7832 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7833 (OMP_CONTINUE): New.
7834 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7835 (OMP_SECTIONS_SECTIONS): Remove.
7836 (OMP_SECTION_LAST): New.
7837 (OMP_RETURN_NOWAIT): New.
7839 2006-04-13 Roger Sayle <roger@eyesopen.com>
7841 * fold-const.c (native_encode_vector, native_interpret_real):
7842 Correct obvious mistakes in the previous check-in.
7844 2006-04-13 Roger Sayle <roger@eyesopen.com>
7846 * fold-const.c (native_encode_expr): New function to encode
7847 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7848 or VECTOR_CST into a specified buffer.
7849 (native_encode_int): New function.
7850 (native_encode_real): New function.
7851 (native_encode_complex): New function.
7852 (native_encode_vector): New function.
7853 (native_interpret_expr): Inverse of native_encode_expr to convert
7854 a target representation into an INTEGER_CST, REAL_CST etc...
7855 (native_interpret_int): New function.
7856 (native_interpret_real): New function.
7857 (native_interpret_complex): New function.
7858 (native_interpret_vector): New function.
7859 (fold_view_convert_expr): New function to constant fold/evaluate
7860 a VIEW_CONVERT_EXPR of a suitable constant expression.
7861 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7862 Change call of build1 to fold_build1 when constructing a
7865 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7866 Ulrich Weigand <uweigand@de.ibm.com>
7869 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7872 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7875 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7876 optimize to lo_sum for DFmode if !TARGET_FPRS.
7878 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7880 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7881 delete_alias_info, compute_flow_sensitive_aliasing,
7882 group_aliases): Use VEC instead of VARRAY.
7883 * tree-ssa-structalias.c (update_alias_info): Likewise.
7884 * tree-ssa-structalias.h (alias_info): Change the type of
7885 processed_ptrs to VEC(tree,heap) *.
7887 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7890 * config/sh/lib1funcs.h: New file, broken out of:
7891 * config/sh/lib1funcs.asm.
7892 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7894 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7895 * config/sh/lib1funcs-Os-4-200.asm: New file.
7896 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7897 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7898 (EXTRA_MULTILIB_PARTS): Include it.
7899 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7900 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7901 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7902 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7905 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7907 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7908 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7909 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7911 * tree-ssa-live.h: Include vecprim.h.
7912 (tree_partition_associator_d): Change the type of
7913 first_partition to VEC(int,heap) *.
7914 (tpa_first_partition): Use VEC instead of VARRAY.
7916 * Makefile.in (GTFILES): Move functions.h after tree.h.
7917 * function.c (reset_block_changes, record_block_change,
7918 check_block_change, free_block_changes): Use VEC instead of
7920 * function.h (function): Change the type of
7921 ib_boundaries_block to VEC(tree,gc) *.
7922 * tree-inline.c (copy_cfg_body): Initialize
7923 ib_boundaries_block to NULL instead of (varray_type) 0.
7925 2006-04-12 Roger Sayle <roger@eyesopen.com>
7927 * expr.c (emit_group_store): Correct operand order in call to
7928 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7929 a SUBREG_BYTE of zero.
7931 2006-04-12 Richard Guenther <rguenther@suse.de>
7933 * profile.c (compute_branch_probabilities): Remove code
7934 encapsulated in !ir_type (), which are remanents of the
7935 removed RTL profiling code.
7936 * rtl-profile.c: Remove.
7938 2006-04-12 Alan Modra <amodra@bigpond.net.au>
7940 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
7941 magic NULL_RTX comment.
7942 (function_arg): Store entire fp arg to mem if any part should go
7944 (rs6000_arg_partial_bytes): Adjust for above change.
7946 2006-04-11 Roger Sayle <roger@eyesopen.com>
7948 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
7949 if it hasn't been initialized by dwarf2out_init.
7951 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
7953 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
7954 symbolic constants in branch patterns.
7956 2006-04-11 Roger Sayle <roger@eyesopen.com>
7958 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7960 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7962 PR rtl-optimization/27073
7963 * gcse.c (try_replace_reg): Revert last change. Continue to search
7964 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7967 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7969 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7970 aggregate types other than record and union types.
7971 (function_arg): Likewise.
7972 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7974 (function_value): In 64-bit mode, return objects that require it
7977 2006-04-11 Roger Sayle <roger@eyesopen.com>
7979 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7981 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7983 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7985 2006-04-03 Jeff Law <law@redhat.com>
7988 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7989 alias information too.
7991 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7993 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7995 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7998 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7999 (premark_used_types_helper): New.
8000 (premark_used_types): New.
8001 (gen_subprogram_die): Call premark_used_types.
8002 (prune_unused_types_walk): Do not prune perennial dies.
8003 * function.c (used_types_insert): New.
8004 * function.h (struct function): Add used_types_hash field.
8005 (used_types_insert): Add prototype.
8006 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
8007 * c-parser.c (c_parser_cast_expression): Save casted types in used
8010 2006-04-11 Mark Mitchell <mark@codesourcery.com>
8013 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
8014 rs6000_explicit_options.float_gprs.
8016 2006-04-10 Roger Sayle <roger@eyesopen.com>
8018 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
8019 from ix86_expand_vector_init_low_nonzero. Take an additional
8020 one_var argument indicating which element is non-zero. Support
8021 one_var != 0 for V4SFmode and V4SImode by permuting the result.
8022 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
8023 with one_var instead of ix86_expand_vector_init_low_nonzero.
8025 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
8027 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
8028 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
8029 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
8030 build/genextract.o): Depend on vecprim.h.
8031 * cfglayout.c, df-problems.c, function.c, genextract.c,
8032 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
8033 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
8037 2006-04-10 Geoffrey Keating <geoffk@apple.com>
8039 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
8040 Declare VECs of this type.
8041 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
8042 (remove_children): Delete.
8043 (add_dwarf_attr): Use VEC routines.
8044 (add_AT_flag): Update for changes to add_dwarf_attr.
8045 (add_AT_int): Likewise.
8046 (add_AT_unsigned): Likewise.
8047 (add_AT_long_long): Likewise.
8048 (add_AT_vec): Likewise.
8049 (add_AT_string): Likewise.
8050 (add_AT_die_ref): Likewise.
8051 (add_AT_fde_ref): Likewise.
8052 (add_AT_loc): Likewise.
8053 (add_AT_loc_list): Likewise.
8054 (add_AT_addr): Likewise.
8055 (add_AT_lbl_id): Likewise.
8056 (add_AT_lineptr): Likewise.
8057 (add_AT_macptr): Likewise.
8058 (add_AT_offset): Likewise.
8059 (add_AT_range_list): Likewise.
8060 (get_AT): Use VEC_iterate.
8061 (remove_AT): Use VEC_ordered_remove.
8062 (free_die): Fold remove_children into here; have it use VEC_iterate.
8063 (print_die): Use VEC_iterate on attrs.
8064 (reverse_die_lists): Don't reverse attr lists.
8065 (die_checksum): Use VEC_iterate on attrs.
8066 (same_die_p): Likewise.
8067 (output_location_lists): Likewise.
8068 (build_abbrev_table): Likewise.
8069 (size_of_die): Likewise.
8070 (unmark_all_dies): Likewise.
8071 (output_abbrev_section): Likewise.
8072 (output_die): Likewise.
8073 (prune_unused_types_walk_attribs): Likewise.
8075 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8077 * doc/install.texi (*-*-solaris2*): Point to the configure page.
8079 2006-04-10 Jakub Jelinek <jakub@redhat.com>
8082 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
8084 2006-04-09 Roger Sayle <roger@eyesopen.com>
8086 * expr.c (store_constructor): Don't bother clearing target if
8087 we're about to assign a vector to it using vec_init_optab.
8089 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
8091 * tree-ssa-alias.c (lhs_may_store_to): New function.
8092 (recalculate_used_alone): Handle LHS of calls.
8094 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8098 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
8099 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
8100 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
8101 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
8102 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
8103 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
8104 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
8105 stubs. Add ".align 8" directives before all ".dword" directives.
8106 (GTHREAD_USE_WEAK): Revise comment.
8107 (TARGET_ATTRIBUTE_WEAK): Define.
8108 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
8109 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
8110 * stublib.c: New file.
8115 * pa.md (cbranch patterns): Revise arguments used in calls to
8116 output_cbranch, output_bb and output_bvd. Add long branch length
8118 (fbranch patterns): Handle long branches.
8119 (jump): Revise length check. Revise arguments for output_lbranch call.
8120 Add long branch length attributes.
8121 (decrement_and_branch_until_zero): Add long branch length attributes.
8122 (output_movb, output_parallel_addb and output_parallel_movb patterns):
8123 Likewise. Revise arguments for output_parallel_addb and
8124 output_parallel_movb calls.
8125 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8126 output_parallel_movb and output_parallel_addb): Update prototypes.
8127 * pa.c (output_cbranch): Revise arguments. Correct handling of
8128 nullification in long branches.
8129 (output_lbranch): Add new argument to control extraction of delay
8131 (output_bb): Handle long branches.
8132 (output_bvb, output_dbra, output_movb, output_parallel_movb,
8133 output_parallel_addb): Likewise.
8135 2006-04-09 Richard Sandiford <richard@codesourcery.com>
8137 PR rtl-optimization/27073
8138 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8141 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
8143 * tree.h (tree_memory_tag): Add old_used_alone.
8144 (SMT_OLD_USED_ALONE): New macro.
8145 * tree-ssa-alias.c (recalculate_used_alone): Stop
8146 marking things for renaming unnecessarily.
8148 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
8150 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
8151 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
8152 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
8153 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8154 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8155 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8156 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
8157 spelling convensions.
8158 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8159 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8160 typos. Follow spelling conventions.
8162 2006-04-07 DJ Delorie <dj@redhat.com>
8164 * config/m32c/m32c.c (m32c_function_arg): Structures are always
8165 passed on the stack.
8166 (m32c_init_cumulative_args): When a function returns a structure,
8167 always pass the pointer to that return area on the stack.
8168 (m32c_function_arg_advance): Don't increment the parameter number
8169 if we're processing the returned structure pointer.
8170 (pushm_info): Reverse order of registers.
8172 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
8174 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8175 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8176 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8177 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8179 * tree-chrec.c (chrec_fold_multiply_poly_poly,
8180 chrec_fold_multiply): Same.
8181 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8182 force_expr_to_var_cost): Same.
8183 * tree-mudflap.c (mf_xform_derefs_1): Same.
8184 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8186 2006-04-07 David Edelsohn <edelsohn@gnu.org>
8188 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8189 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
8192 2006-04-07 Jan Hubicka <jh@suse.cz>
8194 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8196 2006-04-07 Richard Guenther <rguenther@suse.de>
8198 PR tree-optimization/26135
8199 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8200 loads for store copy-prop.
8201 (copy_prop_visit_stmt): Likewise.
8203 2006-04-05 Robert Millan <robertmh@gnu.org>
8205 * config/i386/linux.h: Add a comment to mark macros that are
8206 being overriden in config/k*bsd-gnu.h.
8207 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8209 * config/knetbsd-gnu.h: Ditto.
8211 2006-04-06 Jan Hubicka <jh@suse.cz>
8215 * coverage.c (coverage_checksum_string): Reorganize loop to not read
8218 2006-04-06 Mike Stump <mrs@apple.com>
8220 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8221 for HAVE_nonlocal_goto to be consistent.
8222 (expand_builtin_nonlocal_goto): Likewise.
8223 (expand_builtin_strcmp): Use #ifdef instead of #if
8224 for HAVE_cmpstrnsi to be consistent.
8226 2006-04-05 DJ Delorie <dj@redhat.com>
8228 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8231 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
8233 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8234 got-relative addressing for anything but SImode.
8236 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8237 even if the calling function doesn't modify them.
8239 2006-04-05 Richard Guenther <rguenther@suse.de>
8241 PR tree-optimization/26919
8242 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8243 to cgraph_estimate_size_after_inlining.
8245 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8247 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8249 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8251 PR tree-optimization/26996
8252 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8253 VECTOR_TYPE variables.
8255 2006-04-05 Richard Guenther <rguenther@suse.de>
8257 PR tree-optimization/26763
8258 * fold-const.c (fold_comparison): Move folding of
8259 PTR + CST CMP PTR + CST ...
8260 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8262 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8264 * doc/install.texi (Prerequisites): Refine some wording on
8265 bootstrapping and ksh.
8266 Move the version numbers of DejaGnu here from the testing section
8267 and fix casing of names.
8268 Fix markup and clarify wording for autogen requirements.
8269 Refer to GCJ instead of just java.
8270 Refer to SVN instead of CVS.
8271 Describe diffutils as useful instead of necessary.
8272 (Downloading the source): Refer to SVN instead of CVS.
8273 Adjust a link to our web site accordingly.
8274 (Configuration): Fix casing of Bison.
8275 (Building): Refer to SVN instead of CVS.
8276 Fix a sentence on the use of Bison and remove duplicate (and
8277 incorrect) version number of Bison requirement.
8278 Remove one redundant list of packages needed for building.
8279 (Specific): Avoid reference to CVS.
8281 2006-04-04 Eric Christopher <echristo@apple.com>
8283 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8284 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8285 (rs6000_handle_struct_attribute): New.
8286 (rs6000_ms_bitfield_layout_p): Ditto.
8288 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8290 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8291 NULL for dso parameter to atexit_common.
8293 2006-04-04 Eric Christopher <echristo@apple.com>
8295 * config/i386/i386.c (machopic_output_stub): Output \t
8296 between instructions and operands.
8298 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8300 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8301 satisfies_constraint_[IL] to explicit tests on value.
8303 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8305 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8306 set_nb_iterations_in_loop): Use build_int_cst instead of
8308 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8309 build_int_cst instead of convert.
8311 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
8313 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8314 new value 2 for incoming.
8315 * function.c (expand_function_start): Call struct_value_rtx
8317 * config/sparc/sparc.md: Comment updated_return.
8318 * config/sparc/sparc.opt: Add -mstd-struct-return option.
8319 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8320 struct return if sparc_std_struct_return and incoming is 2.
8321 (print_operand): Do not adjust return if
8322 sparc_std_struct_return.
8324 2006-04-04 Roger Sayle <roger@eyesopen.com>
8326 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8327 convert in the middle-end.
8328 * expr.c (store_expr, store_constructor, get_inner_reference,
8329 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8331 * tree.c (build_range_type): Likewise.
8333 2006-04-04 Tom Tromey <tromey@redhat.com>
8335 * doc/install.texi (Prerequisites): Mention jar.
8337 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
8339 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8342 2006-04-04 Matthias Klose <doko@debian.org>
8344 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8348 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8351 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8353 * doc/extend.texi (Function Attributes): Rewrite visibility
8354 attribute documentation.
8355 * doc/invoke.texi (C++ Dialect Options): Rewrite
8356 -fvisibility-inlines-hidden documentation to describe something
8357 entirely different, although in practise compatible.
8358 (Code Gen Options): Warn about system headers in -fvisibility=
8361 * doc/extend.texi (Other Builtins): Document that
8362 __builtin_nan is a compile-time constant only when its argument
8365 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8367 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8368 trying to remove TRUNCATE check if all bits outside the new mode
8369 are identical to the sign bit.
8371 2006-04-03 Jeff Law <law@redhat.com>
8373 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8374 and operand scanning in some common cases.
8376 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8377 Dale Johannesen <dalej@apple.com>
8380 * regclass.c (struct reg_pref): Update documentation.
8381 (regclass): Set prefclass to NO_REGS if memory is the best option.
8382 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8383 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8384 into account. For non-registers, equate an empty preferred
8385 reload class to a `!' in the constraint; move the if clause to
8386 do so after those that reject the insn.
8387 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8389 (find_dummy_reload): Likewise.
8390 * doc/tm.texi (Register Classes): Document what it means
8391 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8392 * config/i386/i386.c (ix86_preferred_reload_class): Force
8393 using SSE registers (and return NO_REGS for floating-point
8394 constants) if math is done with SSE.
8395 (ix86_preferred_output_reload_class): New.
8396 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8397 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8398 * config/i386/i386.md: Remove # register preferences.
8400 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8403 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8404 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8405 the type of nb_iter.
8406 (instantiate_parameters_1): Convert the operands before calling
8407 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8408 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8410 2006-04-02 Roger Sayle <roger@eyesopen.com>
8412 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8413 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8415 * dojump.c (do_jump): Likewise.
8416 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8417 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8418 gimplify_boolean_expr): Likewise.
8419 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8420 * varasm.c (array_size_for_constructor): Likewise.
8421 * tree-object-size.c (compute_object_offset): Likewise.
8423 2006-04-02 Roger Sayle <roger@eyesopen.com>
8426 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8427 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8429 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8431 PR tree-optimization/26939
8432 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8434 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8436 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8437 at_stmt. Convert the type of operands before calling
8438 build_polynomial_chrec.
8439 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8441 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8442 (instantiate_parameters_1): Convert the type of operands before calling
8443 build_polynomial_chrec.
8444 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8445 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8446 reset_evolution_in_loop): Insert asserts to check the types of the
8448 (chrec_type): Moved...
8449 (eq_evolutions_p): Use operand_equal_p.
8450 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8451 the types of the operands.
8452 (chrec_type): ...here.
8453 * tree-data-ref.c (create_data_ref): Convert the operands before
8454 calling chrec_replace_initial_condition.
8455 (same_access_functions, analyze_subscript_affine_affine,
8456 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8457 (compute_subscript_distance, analyze_ziv_subscript,
8458 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8459 analyze_miv_subscript): Convert the operands before calling
8460 chrec_fold_minus or chrec_fold_plus.
8462 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8464 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8465 the dependence_relations vector.
8466 (compute_data_dependences_for_loop): Adjust call to
8467 compute_all_dependences.
8469 2006-04-01 Roger Sayle <roger@eyesopen.com>
8470 Richard Henderson <rth@redhat.com>
8472 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8473 gimple_boolify on the condition before calling gimplify_expr.
8475 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8477 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8478 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8479 the frame size. Update to use the new macros.
8480 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8481 * config/xtensa/ieee754-df.S: Likewise.
8483 2006-03-31 Richard Henderson <rth@redhat.com>
8485 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8486 (make_edges): ... here. Control fallthru creation with a local
8487 variable. Do not play with fake edges.
8488 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8489 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8492 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8494 * dwarf2.h (DW64_CIE_ID): Define.
8495 * dwarf2out.c (DWARF_CIE_ID): Define.
8496 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8497 length header. Use DWARF_CIE_ID.
8498 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8499 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8501 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8503 * config/sh/linux-atomic.asm: New file.
8504 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8506 2006-03-31 DJ Delorie <dj@redhat.com>
8508 * config/m32c/cond.md: Set condition flags properly throughout.
8509 * config/m32c/minmax.md: Likewise.
8510 * config/m32c/prologue.md: Likewise.
8511 * config/m32c/bitops.md: Likewise.
8512 * config/m32c/muldiv.md: Likewise.
8513 * config/m32c/mov.md: Likewise.
8514 * config/m32c/addsub.md: Likewise.
8515 * config/m32c/m32c.md: Likewise.
8516 * config/m32c/jump.md: Likewise.
8517 * config/m32c/shift.md: Likewise.
8519 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8520 conditionally output the pattern for this.
8521 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8522 (m32c_compare_redundant): New.
8523 (m32c_output_compare): New.
8524 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8526 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8527 dest, not src. Allow other 4-byte modes.
8529 2006-03-30 Denis Chertykov <denisc@overta.ru>
8531 * doc/md.texi: Refer to avr/constraints.md instead of
8534 2006-03-30 Roger Sayle <roger@eyesopen.com>
8536 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8537 signed vs. unsigned comparison failures on some hosts.
8539 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8542 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8543 change to FLOAT_REGS.
8545 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8546 (rs6000_override_options): Use it.
8547 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8548 only for -mabi=spe/no-spe and -mabi=altivec.
8550 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8552 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8555 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8557 * Makefile.in: Rename docdir to gcc_docdir.
8559 2006-03-30 Roger Sayle <roger@eyesopen.com>
8562 * expr.c (emit_group_store): Optimize group stores into a pseudo
8563 register by using a paradoxical subreg to initialize the destination
8564 if the first or last member of the group specifies a "low part".
8566 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8569 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8570 * target.h (struct gcc_target.speculate_insn): Change type of the
8571 second parameter to 'int'.
8572 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8573 the second operand of the DEPS_LIST.
8574 (copy_DEPS_LIST_list): Update reference to the second operand of the
8576 * rtl.h (alloc_DEPS_LIST): Update signature.
8577 * sched-int.h (ds_t): Change typedef to 'int'.
8578 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8580 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8582 * haifa-sched.c (try_ready): Change condition to restore
8583 non-speculative pattern of the instruction.
8584 (process_insn_depend_be_in_spec): Code to keep probability of the
8585 speculative dependence non-decreasing.
8587 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8589 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8590 (single_move_for_movmem): ... this. Also change all uses.
8591 (bfin_expand_strmov): Renamed to...
8592 (bfin_expand_movmem): ... this. Also change all uses.
8593 * config/bfin/bfin.md (movstrsi): Renamed to...
8594 (movstrsi): ...this.
8596 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8598 PR tree-optimization/26830
8600 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8601 (copy_prop_visit_stmt): Remove write-only variable ann.
8602 (init_copy_prop): Check variable loop depth here. Do not simulate
8603 memory-tag and virtual operand PHIs except for store copy prop.
8605 2006-03-30 Richard Guenther <rguenther@suse.de>
8607 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8608 variants with double arguments.
8610 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8612 * genpreds.c (write_tm_constrs_h): Delete variable p.
8613 * genconditions.c (write_header): Add tm-constrs.h to included
8615 * genpeep.c (main): Add toplev.h to included headers.
8616 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8617 (build/genpeep.o): Add toplev.h dependency.
8618 * config/rs6000/constraints.md: Add "W" constraint.
8620 2006-03-29 Roger Sayle <roger@eyesopen.com>
8622 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8623 sizes by correctly testing whether the size fits a host integer.
8624 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8625 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8626 SImode range for the default sizetype and bitsizetype.
8628 2006-03-29 Roger Sayle <roger@eyesopen.com>
8630 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8631 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8632 quickly if the argument is already of the correct type.
8633 Call fold_build1 instead of build1. Tidy up blank lines.
8635 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8637 * genemit.c (main): Add tm-constrs.h to included headers.
8638 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8639 * genpeep.c (main): Add tm-constrs.h to included headers.
8640 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8641 (write_tm_constrs_h): this and write complete file.
8642 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8643 (write_insn_preds_c): Add tm-constrs.h to included headers.
8644 (gen_constrs): New variable.
8645 (parse_option): Parse "-c".
8646 (main): Invoke write_tm_constrs_h.
8647 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8648 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8649 (object_out_file): Add tm-constrs.h dependency.
8650 (insn-emit.o): Same.
8651 (insn-output.o): Same.
8652 (insn-peep.o): Same.
8653 (insn-preds.o): Same.
8654 (insn-recog.o): Same.
8655 (tm-constsr.h): New target.
8656 (s-constrs-h): New target.
8658 * config/rs6000/constraints.md: New file.
8659 * config/rs6000/rs6000.c: Include tm-constrs.h.
8660 (num_insn_constant_wide): Convert to satisfies_constraint.
8661 (rs6000_rtx_costs): Convert to satisfies_constraint.
8662 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8663 (CONST_OK_FOR_LETTER_P): Delete.
8664 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8665 (EXTRA_CONSTRAINT): Delete.
8666 (EXTRA_MEMORY_CONSTRAINT): Delete.
8667 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8668 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8669 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8670 satisfies_constraint.
8672 * config/i386/i386.c: Include tm-constrs.h.
8674 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8676 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8677 * tree-data-ref.c (find_data_references_in_loop,
8678 compute_data_dependences_for_loop): Use pointers to VEC.
8679 (analyze_all_data_dependences): Adjust calls.
8680 * tree-data-ref.h (find_data_references_in_loop,
8681 compute_data_dependences_for_loop): Adjust declarations.
8682 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8683 compute_data_dependences_for_loop.
8685 2006-03-29 Paul Brook <paul@codesourcery.com>
8687 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8690 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8692 PR tree-optimization/26859
8693 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8695 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8696 for the step after fold_convert.
8698 2006-03-29 Paul Brook <paul@codesourcery.com>
8700 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8701 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8703 2006-03-29 Paul Brook <paul@codesourcery.com>
8706 * targhooks.c (default_narrow_bitfield): New fuction.
8707 * targhooks.h (default_narrow_bitfield): add prototype.
8708 * target.h (gcc_target): Add narrow_volatile_bitfield.
8709 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8710 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8711 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8712 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8714 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8716 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8718 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8719 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8720 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8721 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8722 (s390_function_arg_float): Allow SDmode and DDmode values to be
8723 passed in floating point registers.
8724 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8725 check with SCALAR_FLOAT_MODE_P.
8726 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8728 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8730 PR tree-optimization/25985
8731 * tree-ssa-loop-niter.c (number_of_iterations_le,
8732 number_of_iterations_ne): Make comments more precise.
8733 (number_of_iterations_cond): Add only_exit argument. Use the
8734 fact that signed variables do not overflow only when only_exit
8736 (loop_only_exit_p): New.
8737 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8738 number_of_iterations_cond.
8740 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8742 PR tree-optimization/26643
8743 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8746 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8748 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8749 (divsi3_i4_int): Likewise.
8751 2006-03-28 Roger Sayle <roger@eyesopen.com>
8753 * expr.c (emit_group_store): Only create a new pseudo reg if the
8754 quantity it needs to hold isn't already a suitable pseudo.
8756 2006-03-28 Jeff Law <law@redhat.com>
8758 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8759 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8761 2006-03-28 Roger Sayle <roger@eyesopen.com>
8763 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8764 the equivalent ~X & Y, and the symmetry related transformations.
8765 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8766 ~X & Y, and symmetry related transforms.
8768 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8770 Revert my 2006-03-27 patches.
8772 2006-03-28 Roger Sayle <roger@eyesopen.com>
8774 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8775 ~(T1)X, when T1 and T2 are integer types of the same precision
8776 and (T2)X isn't an extension.
8778 2006-03-28 Jeff Law <law@redhat.com>
8780 PR tree-optimization/26796
8781 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8782 need EH edge cleanups rather than purging them immediately.
8783 (eliminate_degenerate_phis): Handle queued EH cleanups.
8785 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8787 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8790 2006-03-27 Roger Sayle <roger@eyesopen.com>
8793 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8794 cast BIT_NOT_EXPR operand to the correct type.
8796 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8798 * tree-loop-linear.c: Don't include varray.h.
8799 (gather_interchange_stats, try_interchange_loops,
8800 linear_transform_loops): Use VEC instead of VARRAY.
8801 * lambda-mat.c: Don't include varray.h.
8802 * tree-chrec.c: Same.
8803 * lambda-trans.c: Same.
8804 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8805 VEC instead of VARRAY.
8806 * tree-vectorizer.h: Idem.
8807 * tree-data-ref.c (dump_data_references,
8808 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8809 initialize_data_dependence_relation, finalize_ddr_dependent,
8810 compute_all_dependences, find_data_references_in_loop,
8811 compute_data_dependences_for_loop, analyze_all_data_dependences,
8812 free_dependence_relation, free_dependence_relations,
8813 free_data_refs): Idem.
8814 * tree-data-ref.h (data_reference_p, subscript_p): New.
8815 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8816 VEC instead of VARRAY.
8817 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8818 (find_data_references_in_loop, compute_data_dependences_for_loop,
8819 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8820 dump_data_dependence_relations, free_dependence_relations,
8821 free_data_refs): Adjust declaration.
8822 (lambda_transform_legal_p): Move declaration here...
8823 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8824 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8825 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8826 vect_analyze_data_refs): Use VEC instead of VARRAY.
8827 * lambda.h (lambda_transform_legal_p): ...from here.
8828 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8829 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8830 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8831 tree-chrec.o): Don't depend on VARRAY_H.
8833 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8835 * rtl.def (Copyright): Update date.
8836 (DEPS_LIST): Change type of the second operand to 'int'.
8837 * target.h (Copyright): Update date.
8838 (struct gcc_target.speculate_insn): Change type of the second parameter
8840 * lists.c (Copyright): Update date.
8841 (alloc_DEPS_LIST): Change signature. Update reference to the second
8842 operand of the DEPS_LIST.
8843 (copy_DEPS_LIST_list): Update reference to the second operand of the
8845 * rtl.h (Copyright): Update date.
8846 (alloc_DEPS_LIST): Update signature.
8847 * sched-int.h (Copyright): Update date.
8848 (ds_t): Change typedef to 'int'.
8849 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8851 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8853 * haifa-sched.c (Copyright): Update date.
8854 (try_ready): Change condition to restore non-speculative pattern
8856 (process_insn_depend_be_in_spec): Code to keep probability of the
8857 speculative dependence non-decreasing.
8859 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8861 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8862 shut up the compiler.
8864 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8866 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8867 to use lib prefix for target.
8868 ($(T)libic_invalidate_array_4-200.a): Likewise.
8869 ($(T)libic_invalidate_array_4a.a): Likewise.
8871 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8872 J"orn Rennecke <joern.rennecke@st.com>
8874 * superh.opt: New file.
8875 * sh.c (boardtype, osruntime): Remove.
8876 * superh.h (SUBTARGET_OPTIONS): Remove.
8877 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8879 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8880 arguments with ^ and/or [].
8882 * config.gcc (sh-*-*): Add quoting to account for quirk of
8884 Replace == with = in enable_incomplete_targets test.
8886 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8887 with MASK_LITTLE_ENDIAN.
8889 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8890 * config/sh/sh.opt: Added to some comments.
8891 * config/sh/superh.h: Removed some chaff.
8893 * config/sh/sh.opt: Add m4-[1234]00* options.
8894 * config/sh/sh.c (sh_handle_option): Likewise.
8895 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8896 (ic_invalidate_array_4-100.o): New rule.
8897 ($(T)libic_invalidate_array_4-100.a): Likewise.
8898 (ic_invalidate_array_4-200.o): Likewise.
8899 ($(T)libic_invalidate_array_4-200.a): Likewise.
8900 (ic_invalidate_array_4a.o): Likewise.
8901 ($(T)libic_invalidate_array_4a.a): Likewise.
8902 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8903 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8905 * config/sh/crt1.asm: Merged in profiling code.
8906 * config/sh/superh.h (STARTFILE_SPEC): Override.
8907 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8908 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8909 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8911 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8912 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8913 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8915 * sh.opt (mpretend-cmove): New option.
8916 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8917 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8918 (movsicc): Add TARGET_PRETEND_CMOVE code.
8920 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8922 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8923 s390_class_max_nregs): New function prototypes.
8924 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8925 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8926 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8927 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8929 2006-03-26 Geoffrey Keating <geoffk@apple.com>
8931 * dwarf2out.c (add_location_or_const_value_attribute): Call
8932 tree_add_const_value_attribute if nothing else works.
8933 (reference_to_unused): New.
8934 (rtl_for_decl_init): Use reference_to_unused to decide whether
8935 to output an initializer.
8937 2006-03-27 Alan Modra <amodra@bigpond.net.au>
8940 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
8941 peephole removing spe frob_di_df_2.
8943 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
8945 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
8946 (subscript_dependence_tester_1): Declared.
8947 (print_dir_vectors, print_dist_vectors): New.
8948 (debug_data_dependence_relation): New.
8949 (dump_data_dependence_relation): Print more details.
8950 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
8951 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
8952 (save_dist_v, save_dir_v, add_outer_distances,
8953 build_classic_dist_vector_1): New.
8954 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
8955 Don't test for lambda_vector_lexico_pos.
8956 (same_access_functions, add_multivariate_self_dist,
8957 add_other_self_distances, dir_from_dist): New.
8958 (build_classic_dir_vector): Replace implementation almost identical to
8959 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8961 (subscript_dependence_tester_1): New.
8962 (subscript_dependence_tester): Handle the lexicographically negative
8963 distance vectors by recomputing the dependence relation.
8964 (compute_affine_dependence): Remove parameter loop_nest_depth.
8965 (compute_self_dependence): Don't call compute_subscript_distance.
8966 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8967 Add a parameter for the loop_nest.
8968 (find_loop_nest_1, find_loop_nest): New.
8969 (compute_data_dependences_for_loop): Compute the loop nest, and give
8970 up if the nest is not well formed.
8971 * tree-data-ref.h (loop_p): New.
8972 (struct data_dependence_relation): Replace size_vect field with
8973 loop_nest, a vec of loops.
8974 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8975 (DDR_LOOP_NEST): New.
8976 (print_dir_vectors, print_dist_vectors,
8977 debug_data_dependence_relation): Declared.
8978 (index_in_loop_nest): New.
8979 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8980 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8983 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8985 * simplify-rtx.c (simplify_relational_operation): Call
8986 simplify_relational_operation_1 even if mode is VOIDmode.
8988 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8990 PR tree-optimization/26804
8991 * tree.h (DECL_CALL_CLOBBERED): New macro.
8992 (tree_decl_common): Add call_clobbered_flag.
8993 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8994 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8995 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8996 (mark_non_addressable): Ditto.
8997 * tree-ssa.c (verify_call_clobbered): New function.
8998 (verify_alias_info): Use it.
8999 * tree-pass.h (pass_reset_cc_flags): New prototype.
9000 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
9001 (reset_cc_flags): New function.
9002 * passes.c (init_optimization_passes): Call reset_cc_flags after
9003 initializing referenced_vars.
9005 2006-03-25 Uros Bizjak <uros@kss-loka.si>
9006 Roger Sayle <roger@eyesopen.com>
9009 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
9010 to 1.0 for non-real operands. Implement A / A optimization for
9013 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
9015 * config/i386/i386.c (size_cost): Correct the comment for
9016 cost of storing fp registers.
9017 (i386_cost): Likewise.
9018 (i486_cost): Likewise.
9019 (pentium_cost): Likewise.
9020 (pentiumpro_cost): Likewise.
9021 (k6_cost): Likewise.
9022 (athlon_cost): Likewise.
9023 (k8_cost): Likewise.
9024 (pentium4_cost): Likewise.
9025 (nocona_cost): Likewise.
9026 (generic64_cost): Likewise.
9027 (generic32_cost): Likewise.
9029 2006-03-24 Denis Chertykov <denisc@overta.ru>
9031 * config/avr/avr-protos.h (extra_constraint): Delete.
9032 (extra_constraint_Q): New declaration.
9033 * config/avr/constraints.md: New file.
9034 * config/avr/avr.md: Include it.
9035 (REG_X, REG_Y, REG_Z, REG_W): New constants.
9036 (TMP_REGNO, ZERO_REGNO): Likewise.
9037 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
9038 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
9039 (extra_constraint): Delete.
9040 (extra_constraint_Q): Test for memory constraint 'Q'.
9041 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
9042 (REG_CLASS_FROM_LETTER): Delete.
9043 (CONST_OK_FOR_LETTER_P): Delete.
9044 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9045 (EXTRA_CONSTRAINT): Delete.
9046 (TMP_REGNO): Delete.
9047 (ZERO_REGNO): Delete.
9049 2006-03-24 Jeff Law <law@redhat.com>
9051 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
9052 directly. Call mark_new_vars_to_rename slightly earlier.
9054 2006-03-24 Geoffrey Keating <geoffk@apple.com>
9056 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9058 (gen_compile_unit_die): Use new language types for Objective-C and
9060 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9061 DW_LANG_C_plus_plus.
9064 * config/t-darwin (crt3.o): Work around bug 26840.
9065 * config/darwin-crt3.c: Rewrite.
9066 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
9068 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
9070 * doc/invoke.texi: Document -femit-class-debug-always
9071 * common.opt: Add -femit-class-debug-always.
9073 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
9075 * config/s390/s390.c (s390_decompose_address): Allow SImode for
9076 index and base register.
9077 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9078 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
9079 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
9080 REGNO_OK_FOR_INDEX_P.
9081 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
9083 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
9084 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
9085 REG_OK_FOR_BASE_P): Definitions removed.
9087 2006-03-24 Jakub Jelinek <jakub@redhat.com>
9090 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
9091 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
9092 set yet or weren't marked as local yet.
9094 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
9096 * regrename.c (scan_rtx_address): Initialize a variable to shut up
9099 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
9101 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
9102 (rs6000_legitimate_small_data_p): Delete.
9103 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
9104 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
9105 and make static. Add forward declaration. Update uses.
9106 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
9107 of offsettable_memref_p.
9108 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
9109 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
9111 2006-03-24 Jeff Law <law@redhat.com>
9113 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
9114 around bug in immediate-use iterator.
9116 2006-03-24 Alan Modra <amodra@bigpond.net.au>
9119 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
9120 or __LITTLE_ENDIAN__.
9122 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
9124 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9125 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9126 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9127 * config/sh/sh.opt (mdiv=): Amend description.
9128 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9129 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9130 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9131 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9132 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9133 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9134 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9135 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
9136 TARGET_DIVIDE_CALL_FP.
9138 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9140 * haifa-sched.c (choose_ready): Fix type of the local variable.
9141 Move local variables. Add comment.
9142 (check_reg_live): Change signature. Make callable from debugger.
9143 * sched-int.h (check_reg_live): Update signature.
9144 * sched-ebb.c (check_reg_live): Update parameters.
9145 * sched-rgn.c (check_reg_live): Ditto.
9146 (region_head_or_leaf_p): Check pointer before dereferencing.
9147 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
9148 before reload on optimization levels below 1.
9150 2006-03-23 Richard Henderson <rth@redhat.com>
9152 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9156 * config/alpha/predicates.md (local_symbolic_operand): Reject
9159 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
9162 * tree-ssa-pre.c (create_value_expr_from): Don't reject
9163 expressions which have overflowed constants.
9165 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9167 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9169 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9171 * cfgloopmanip.c (create_loop_notes): Removed.
9172 * final.c (final_scan_insn): Do not handle loop notes.
9173 * jump.c (squeeze_notes): Ditto.
9174 * cfglayout.c (skip_insns_after_block,
9175 duplicate_insn_chain): Ditto.
9176 * cfgcleanup.c (rest_of_handle_jump2): Do not call
9178 * cfgloop.h (create_loop_notes): Declaration removed.
9180 2006-03-23 Richard Sandiford <richard@codesourcery.com>
9182 * varasm.c (output_constant_pool): Restore fnname and fndecl
9184 (assemble_start_function): Adjust call accordingly.
9185 (assemble_end_function): Likewise.
9187 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9190 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9193 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9195 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9198 * system.h (ICE_EXIT_CODE): New macro.
9199 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9200 (diagnostic_action_after_output): Likewise.
9201 * gcc.c (fatal_ice): New function.
9202 (execute): Use it instead of fatal.
9203 (fancy_abort): Likewise.
9204 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9206 2006-03-22 Jeff Law <law@redhat.com>
9208 * loop-unroll.c (analyze_iv_to_split_insn): Handle
9209 iv_analyze_result returning false.
9211 2006-03-22 Jie Zhang <jie.zhang@analog.com>
9213 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9215 2006-03-22 Richard Henderson <rth@redhat.com>
9218 * except.c (duplicate_eh_regions_0): New.
9219 (duplicate_eh_region_1): Duplicate the children of the node as
9220 well as the node itself. Link them up properly.
9221 (duplicate_eh_region_2): Merge into ...
9222 (duplicate_eh_regions): ... here. Take copy_region argument, and
9223 copy only a sub-tree if asked. Simplify copying and fixup.
9224 (eh_region_outer_p): New.
9225 * except.h (duplicate_eh_regions): Update decl.
9226 (eh_region_outer_p): Declare.
9227 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9228 (lower_omp_master): Likewise.
9229 (lower_omp_ordered): Likewise.
9230 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9231 (move_stmt_r): Use it to remap labels. Handle recursion vs
9232 remap_decls_p properly.
9233 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
9234 (find_outermost_region_in_block): New.
9235 (new_label_mapper): New.
9236 (move_sese_region_to_fn): Copy eh information to the new function
9238 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9240 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9243 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9245 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9246 into shared libraries.
9248 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9250 * doc/md.texi: Refer to i386/constraints.md instead of
9252 * config/i386/constraints.md: New file, extracted from...
9253 * config/i386/predicates.md: ...here.
9254 * config/i386/i386.md: Include constraints.md.
9256 2006-03-21 Jason Merrill <jason@redhat.com>
9258 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9261 * expr.c (init_block_move_fn): Force default visibility.
9262 (init_block_clear_fn): Likewise.
9263 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9264 * targhooks.c (default_external_stack_protect_fail): Likewise.
9266 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9268 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9269 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9270 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9271 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9272 (loadgp): Use mips_current_loadgp_style.
9273 (loadgp_noshared): New pattern.
9274 (sibcall_internal): Use MIPS_CALL.
9275 (sibcall_value_internal): Likewise.
9276 (sibcall_value_multiple_internal): Likewise.
9277 (call_internal): Likewise.
9278 (call_value_internal): Likewise.
9279 (call_value_multiple_internal): Likewise.
9280 (call_split): Use MIPS_CALL and add an 'S' constraint.
9281 (call_value_split): Likewise.
9282 (call_value_multiple_split): Likewise.
9283 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9284 (-mshared): New option.
9285 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9286 (mips_current_loadgp_style): Declare.
9287 * config/mips/mips.c (mips_classify_symbol): Avoid using
9288 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9289 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9290 TARGET_ABSOLUTE_ABICALLS.
9291 (override_options): Adjust comments. Improve the warning that is
9292 issued when -mabicalls and -G are used together.
9293 (mips_file_start): Remove comment.
9294 (mips_current_loadgp_style): New function.
9295 (mips_gnu_local_gp): New variable.
9296 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9298 (mips_output_function_prologue): Use mips_current_laodgp_style.
9299 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9300 the cprestore instruction.
9301 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9302 live for TARGET_ABSOLUTE_ABICALLS.
9303 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9304 (ASM_SPEC): Pass down -mshared and -mno-shared.
9305 (MIPS_CALL): New macro.
9306 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9308 * doc/invoke.texi (-mabicalls): Update documentation.
9309 (-mshared): Document.
9311 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9313 * config/ia64/unwind-hpux.c: New file.
9314 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9316 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9319 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9321 2006-03-21 Jeff Law <law@redhat.com>
9323 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9324 type conversions of a VR_VARYING source to a wider type.
9326 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9328 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9329 tm_file on Solaris 10 and later.
9330 (sparc64-*-solaris2*): Likewise.
9331 (sparc-*-solaris2*): Likewise.
9332 * config/sol26.h: Rename to config/sol2-6.h.
9333 * config/sol2-10.h: New file.
9335 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
9338 * tree-ssa-pre.c (create_component_ref_by_pieces):
9341 2006-03-21 Jakub Jelinek <jakub@redhat.com>
9344 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9345 return it immediately.
9347 2006-03-21 Michael Matz <matz@suse.de>
9349 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9351 (remove_arc, add_arc): Update num_out_arcs member.
9352 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9354 (cache_presence): New function.
9355 (compare_states_for_equiv): New function.
9356 (state_is_differed): Don't take number of outargs, adjust callers.
9357 Use new invariant for speeding up.
9358 (init_equiv_class): Create initial classes based on sorted
9360 (partition_equiv_class): Don't track out_arcs_num.
9361 (evaluate_equiv_classes): Call cache_presence on all states and
9364 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9366 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9367 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9368 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9369 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9371 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9372 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9373 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9374 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9375 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9377 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9378 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9379 (REGNO_REG_CLASS): ARGP is in PREGS.
9380 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9382 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9383 to deal with those addresses.
9384 * addresses.h: New file.
9385 * caller-save.c: Include "addresses.h".
9386 (init_caller_save): Use new base_reg_class function.
9387 * rtl-factoring.c: Include "addresses.h".
9388 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9389 * recog.c: Include "addresses.h".
9390 (preprocess_constraints): Use new base_reg_class function.
9391 * regrename.c: Include "addresses.h".
9392 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9393 functions. Keep track of a new var INDEX_CODE to compute valid
9395 (replace_oldest_value_addr): Likewise.
9396 (replace_oldest_value_mem): Use base_reg_class.
9397 * reload.c: Include "addresses.h".
9398 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9399 (find_reloads): Use new base_reg_class function.
9400 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9401 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9402 all callers and prototype changed.
9403 * reload1.c: Include "addresses.h".
9404 (maybe_fix_stack_asms): Use base_reg_class.
9405 * regclass.c: Include "addresses.h".
9406 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9407 (init_reg_autoinc): Use new base_reg_class function.
9408 (record_reg_classes): Likewise.
9409 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9410 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9411 Use new args to compute necessary class.
9413 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9414 regrename.o, rtl-factoring.o): Update dependencies.
9415 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9416 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9417 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9418 REG_OK_FOR_INDEX_P): Delete documentation.
9420 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9422 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9423 from V7 to V9 for Solaris 7 and above.
9425 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9427 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9428 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9429 argument pointers may not alias any other storage.
9430 * common.opt: Define option -fargument-noalias-anything.
9431 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9432 alias semantics is specified by flag_argument_noalias > 2.
9434 2006-03-20 Jeff Law <law@redhat.com>
9436 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9437 (pass_phi_only_cprop): Declare.
9438 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9440 * tree-ssa-dom.c (degenerate_phi_result): New function.
9441 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9442 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9443 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9444 (eliminate_degenerate_phis): Likewise.
9445 (pass_phi_only_cprop): New pass descriptor.
9446 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9447 support code. Callers updated.
9448 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9449 (store_copy_prop): Likewise.
9450 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9452 2006-03-20 Jason Merrill <jason@redhat.com>
9455 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9456 (push_visibility, pop_visibility): Likewise.
9457 * c-pragma.h: Declare them.
9459 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9461 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9463 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9464 parameter and use get_ebb_head_tail.
9465 (sh_md_init_global): Adjust uses of find_regmode_weight.
9467 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9469 * function.h (struct function) <x_tail_recursion_reentry>:
9470 Rename to x_stack_check_probe_note.
9471 (tail_recursion_reentry): Rename to stack_check_probe_note.
9472 * function.c: Replace tail_recursion_reentry with
9473 stack_check_probe_note everywhere.
9474 (expand_function_start): Only emit a note for
9475 stack_check_probe_note with -fstack-protect.
9476 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9478 * emit-rtl.c (remove_unnecessary_notes): Remove.
9479 (pass_remove_unnecessary_notes): Remove.
9480 * rtl.h (remove_unnecessary_notes): Remove prototype.
9481 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9482 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9483 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9485 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9488 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9489 (valid_in_set): Handle ARRAY_REF.
9490 Change "if min_variant or VH" to asserts.
9491 (create_component_ref_by_pieces): Handle ARRAY_REF.
9492 (create_expression_by_pieces): Likewise.
9493 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9495 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9497 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9498 is operand of switch, not str[0].
9500 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9502 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9503 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9505 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9507 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9508 end of insn_extra_address_constraint declaration.
9510 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9512 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9513 (no-sum-in-toc): Same.
9514 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9516 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9517 NO_FP_IN_TOC for -fPIC instead of mask.
9519 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9520 (BOOT_LDFLAGS): Delete.
9522 * config/rs6000/t-aix52: Same.
9524 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9525 (stmsi[345678]_power): New.
9527 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9529 * config/ia64/ia64.opt: Add empty line to end of file.
9531 2006-03-17 Richard Guenther <rguenther@suse.de>
9534 * builtins.c (get_pointer_alignment): For component style references
9535 adjust alignment to the component type alignment. Make sure
9536 to adjust alignment for component access of constants.
9538 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9540 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9543 2006-03-17 Paul Brook <paul@codesourcery.com>
9545 * doc/install.texi: Docuemnt --with-mode.
9546 * config.gcc: Add --with-mode for arm*-*-*.
9547 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9549 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9551 * sh.c (max_labelno_before_reorg): New variable.
9552 (sh_reorg): Initialize it.
9553 (find_barrier): Check max_labelno_before_reorg before using
9554 label_to_alignment. Take length of explicit alignment insns
9555 into account. When seeing a UNSPECV_CONST_END, return it.
9557 * sh.c (fixup_mova): Set mode of affected label to QImode.
9558 (untangle_mova): New function.
9559 (find_barrier): Use it. Check mode of label before decrementing
9561 (sh_reorg): Likewise.
9562 Set mode of all insns back to VOIDmode.
9564 * sh.c (MOVA_LABELREF): New macro.
9565 (mova_p, fixup_mova, sh_reorg): Use it.
9566 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9567 ADDR_DIFF_VEC matches mova.
9569 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9571 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9572 with ATTRIBUTE_UNUSED.
9574 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9576 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9577 pointer, instead of assuming it is possible to derive the
9578 correct args size from a call insn.
9580 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9582 * rtl.h (CONST_INT_P): Define.
9583 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9584 instead of GET_CODE(x) == CONST_INT.
9585 (vax_rtx_costs): Likewise.
9586 (vax_output_int_move): Likewise.
9587 (vax_output_int_add): Likewise.
9588 (legitimate_constant_address_p): Likewise.
9589 (index_term_p): Likewise.
9590 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9591 * config/vax/vax.md (and<mode>3): Likewise.
9592 (ashrsi3): Likewise.
9594 (movstricthi): Likewise.
9595 (movstrictqi): Likewise.
9596 (rotrsi3): Likewise.
9597 (five unnamed insns): Likewise.
9599 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9601 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9602 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9603 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9604 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9605 Pass to ASM_OUTPUT_DWARF_OFFSET.
9606 * dwarf2out.c (debug_frame_section): New.
9607 (output_call_frame_info): Use debug_frame_section. Pass it to
9608 dw2_asm_output_offset.
9609 (output_die): Pass appropriate section to dw2_asm_output_offset.
9610 (output_compilation_unit_header): Likewise.
9611 (output_pubnames): Likewise.
9612 (output_aranges): Likewise.
9613 (enum dw_val_class): Break dw_val_class_lbl_offset into
9614 dw_val_class_lineptr and dw_val_class_macptr.
9615 (add_AT_lbl_offset): Delete.
9616 (add_AT_lineptr): New.
9617 (add_AT_macptr): New.
9618 (AT_lbl): Expect a lineptr or macptr.
9619 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9620 (attr_checksum): Likewise.
9621 (same_dw_val_p): Likewise.
9622 (size_of_die): Likewise.
9623 (value_format): Likewise.
9624 (output_die): Likewise.
9625 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9627 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9628 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9629 * config/darwin-protos.h (darwin_file_start): New.
9630 (darwin_asm_output_dwarf_offset): New.
9631 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9632 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9634 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9635 if not EH section; simplify.
9636 (darwin_file_start): New.
9637 (darwin_asm_output_dwarf_offset): New.
9638 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9640 (DEBUG_INFO_SECTION): Likewise.
9641 (DEBUG_ABBREV_SECTION): Likewise.
9642 (DEBUG_ARANGES_SECTION): Likewise.
9643 (DEBUG_MACINFO_SECTION): Likewise.
9644 (DEBUG_LINE_SECTION): Likewise.
9645 (DEBUG_LOC_SECTION): Likewise.
9646 (DEBUG_PUBNAMES_SECTION): Likewise.
9647 (DEBUG_STR_SECTION): Likewise.
9648 (DEBUG_RANGES_SECTION): Likewise.
9649 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9650 (ASM_OUTPUT_DWARF_OFFSET): New.
9652 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9654 * config.gcc (tm_defines): Always add to previous value rather
9657 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9659 * config/mips/predicates.md (splittable_const_int_operand): New,
9660 split from move_operand.
9661 (splittable_symbolic_operand): New.
9662 (move_operand): Add commentary. Use splittable_const_int_operand.
9663 Inline mips_atomic_symbolic_constant_p.
9664 * config/mips/mips.md: Add combine splitters for handling moves
9665 of splittable_const_int_operands and splittable_symbolic_operands.
9666 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9667 (mips_split_symbol): Declare.
9668 (mips_move_integer): Declare.
9669 * config/mips/mips.c (mips_split_p): Make global.
9670 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9671 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9672 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9673 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9674 (mips_offset_within_object_p): Handle block symbols.
9675 (mips_atomic_symbolic_constant_p): Delete.
9676 (mips_cannot_force_const_mem): Return false for constants that
9677 mips_legitimize_move can handle.
9678 (mips_use_blocks_for_constant_p): New function.
9679 (mips_split_symbol): Make global.
9680 (mips_move_integer): Likewise. Add a temporary register argument.
9681 (mips_legitimize_const_move): Use splittable_const_int_operand and
9682 splittable_symbolic_operand.
9683 (mips_use_anchors_for_symbol_p): New function.
9684 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9685 (mips_split_p): Declare.
9687 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9689 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9690 (mips*-*-linux*): Likewise.
9692 2006-03-16 Roger Sayle <roger@eyesopen.com>
9693 Daniel Speyer <dspeyer@wam.umd.edu>
9696 * tree-dump.c (dump_real): New function.
9697 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9698 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9699 (tree-dump.o): Add $(REAL_H) to the dependencies.
9701 2006-03-16 Roger Sayle <roger@eyesopen.com>
9704 * real.c (real_from_string): If the mantissa is zero, don't bother
9705 parsing the exponent as the result should always be zero.
9707 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9709 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9711 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9713 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9714 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9715 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9716 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9717 ia64_sched_finish_global): New static functions to implement
9718 hooks from gcc_target.sched.
9719 (spec_check_no, max_uid, pending_data_specs): New static variables.
9720 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9721 ia64_spec_check_src_p): New static functions.
9722 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9723 (TARGET_SCHED_ADJUST_COST): Removed.
9724 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9725 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9726 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9727 TARGET_SCHED_GEN_CHECK,
9728 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9729 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9730 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9731 Fixed to handle speculation checks.
9732 (rtx_needs_barrier): Fixed to handle speculative loads and
9734 (ia64_variable_issue): Added code to count speculative loads and their
9736 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9738 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9740 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9742 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9743 (ia64_reorg): Reset stops_p to NULL after it is freed.
9744 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9745 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9746 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9748 (data_speculative, control_speculative, check_load): New attributes.
9749 (mov<mode>_advanced, mov<mode>_speculative,
9750 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9751 zero_extend<mode>di2_speculative,
9752 zero_extend<mode>di2_speculative_advanced): New patterns for
9753 data and control speculative loads.
9754 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9756 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9757 New pattern for data and control speculation checks.
9758 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9759 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9760 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9761 Auxiliary definitions for the patterns.
9762 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9763 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9765 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9767 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9768 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9769 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9770 New resource constraints.
9771 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9773 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9774 * config/ia64/ia64.opt (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): New flags to tune speculative
9781 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9782 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9783 msched-in-control-spec, msched-ldc, msched-control-ldc,
9784 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9785 msched-prefer-non-control-spec-insns,
9786 msched-count-spec-in-critical-path): Document new flags.
9788 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9790 * target.h (struct spec_info_def): New opaque declaration.
9791 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9792 speculate_insn, needs_block_p, gen_check,
9793 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9794 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9795 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9796 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9797 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9798 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9800 (TARGET_SCHED): Use new macros.
9801 * rtl.h (copy_DEPS_LIST_list): New prototype.
9802 * sched-int.h (struct sched_info): Change signature of new_ready field,
9803 adjust all initializations. New fields: add_remove_insn,
9804 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9805 region_head_or_leaf_p.
9806 (struct spec_info_def): New structure declaration.
9807 (spec_info_t): New typedef.
9808 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9809 recovery_block, orig_pat.
9810 (glat_start, glat_end): New variables declaraions.
9811 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9813 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9814 DETACH_LIFE_INFO, USE_GLAT.
9815 (enum SPEC_SCHED_FLAGS): New enumeration.
9816 (NOTE_NOTE_BB_P): New macro.
9817 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9818 attach_life_info, debug_spec_status, check_reg_live): New functions.
9819 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9820 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9822 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9823 * ddg.c (get_block_head_tail): Adjust all uses.
9824 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9825 (sms_sched_info): Initialize new fields.
9826 (contributes_to_priority): Removed.
9827 * haifa-sched.c (params.h): New include.
9828 (get_block_head_tail): Adjust all uses.
9829 (ISSUE_POINTS): New macro.
9830 (glat_start, glat_end): New global variables.
9831 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9832 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9833 old_last_basic_block, before_recovery, current_sched_info_var,
9834 rgn_n_insns, luid): New static variables.
9835 (insn_cost1): New function. Move logic from insn_cost to here.
9836 (find_insn_reg_weight1): New function. Move logic from
9837 find_insn_reg_weight to here.
9838 (reemit_notes, move_insn, max_issue): Change signature.
9839 (move_insn1): Removed.
9840 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9841 extend_bb): New static functions to support extension of scheduler's
9843 (generate_recovery_code, process_insn_depend_be_in_spec,
9844 begin_speculative_block, add_to_speculative_block,
9845 init_before_recovery, create_recovery_block, create_check_block_twin,
9846 fix_recovery_deps): New static functions to support
9847 generation of recovery code.
9848 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9849 restore_bb_notes, move_block_after_check, move_succs): New static
9850 functions to support ebb scheduling.
9851 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9852 functions to support handling of register live information.
9853 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9854 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9855 add_jump_dependencies): New static functions.
9856 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9857 consistancy checking.
9858 (debug_spec_status): New function to call from debugger.
9859 (priority): Added code to handle speculation checks.
9860 (rank_for_schedule): Added code to distinguish speculative instructions.
9861 (schedule_insn): Added code to handle speculation checks.
9862 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9863 Fixed to handle ebbs.
9864 (move_insn): Added code to handle ebb scheduling.
9865 (max_issue): Added code to use ISSUE_POINTS of instructions.
9866 (choose_ready): Added code to choose between speculative and
9867 non-speculative instructions.
9868 (schedule_block): Added code to handle ebb scheduling and scheduling of
9869 speculative instructions.
9870 (sched_init): Initialize new variables.
9871 (sched_finish): Free new variables. Print statistics.
9872 (try_ready): Added code to handle speculative instructions.
9873 * lists.c (copy_DEPS_LIST_list): New function.
9874 * sched-deps.c (extend_dependency_caches): New function. Move logic
9875 from create_dependency_caches to here.
9876 (get_dep_weak, ds_merge): Make global.
9877 * genattr.c (main): Code to output prototype for
9878 dfa_clear_single_insn_cache.
9879 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9880 (output_dfa_clean_insn_cache_func): Code to output
9881 dfa_clear_single_insn_cache function.
9882 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9884 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9886 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9887 New static variables.
9888 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9889 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9891 (ebb_sched_info): Initialize new fields.
9892 (get_block_head_tail): Adjust all uses.
9893 (compute_jump_reg_dependencies): Fixed to use glat_start.
9894 (schedule_ebb): Code to remove unreachable last block.
9895 (schedule_ebbs): Added code to update register live information.
9896 * sched-rgn.c (region_sched_info): Initialize new fields.
9897 (get_block_head_tail): Adjust all uses.
9898 (last_was_jump): Removed. Adjust users.
9899 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9900 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9901 Implement new hooks.
9902 (check_dead_notes1): New static function.
9903 (struct region): New fields: dont_calc_deps, has_real_ebb.
9904 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9905 (BB_TO_BLOCK): Fixed to handle EBBs.
9906 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9907 (ebb_head): New static variable.
9908 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9909 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9911 (compute_dom_prob_ps): New assertion.
9912 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9913 global_live_at_start.
9914 (init_ready_list): New assertions.
9915 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9916 (new_ready): Add support for BEGIN_CONTROL speculation.
9917 (schedule_insns): Fixed code that updates register live information
9919 (schedule_region): Fixed to handle EBBs.
9920 (init_regions): Use extend_regions and check_dead_notes1.
9921 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9922 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9923 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9924 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9925 TARGET_SCHED_GEN_CHECK,
9926 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9927 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9928 * doc/invoke.texi (max-sched-insn-conflict-delay,
9929 sched-spec-prob-cutoff): Document.
9931 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9933 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
9934 inter_tick, queue_index.
9935 (struct sched_info): Change signature of init_ready_list field.
9936 Adjust all initializations.
9937 (RESOLVED_DEPS): New access macro.
9938 (ready_add): Remove prototype.
9939 (try_ready): Add prototype.
9940 * sched-rgn.c (init_ready_list): Use try_ready.
9941 (schedule_region): Initialize
9942 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
9943 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
9944 (init_ready_list): Use try_ready.
9945 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
9946 * lists.c (remove_list_elem): Remove `static'.
9947 (remove_free_INSN_LIST_elem): New function.
9948 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
9949 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
9950 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
9952 (readyp): New variable.
9953 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
9954 change_queue_index, resolve_dep): New static functions.
9955 (try_ready): New function. Adjust callers in sched-rgn.c and
9956 sched-ebb.c to use it instead of ready_add.
9957 (clock_var): Move at the begining of file.
9958 (rank_for_schedule): Fix typo.
9959 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9960 (ready_lastpos): Enforce assertion.
9961 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9963 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9964 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9965 (queue_to_ready): Use free_INSN_LIST_list.
9966 (early_queue_to_ready): Fix typo.
9967 (schedule_block): Init readyp. Move init_ready_list call after the
9968 initialization of clock_var. Fix error in rejecting insn by
9969 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9970 that previously corrected INSN_TICKs. Add code for handling
9972 (set_priorities): Fix typo.
9973 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9974 Clarify comment and code that keeps current_sched_info->next_tail
9977 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9979 * sched-rgn.c (extend_rgns): New static function.
9980 (find_rgns): Use it.
9981 (gather_region_statistics, print_region_statistics): New static
9983 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9984 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9986 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9987 Andrey Belevantsev <abel@ispras.ru>
9989 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9990 * lists.c (unused_deps_list): New variable.
9991 (free_list): Add assertions to verify the proper distinguishing
9992 between INSN_LISTs and DEPS_LISTs.
9993 (find_list_elem, remove_list_elem, remove_list_node): New static
9995 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9996 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9997 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9998 (alloc_INSN_LIST): Assert that the list we're working on is indeed
10000 (free_INSN_LIST_node): Likewise.
10001 * modulo-sched.c (current_sched_info): Initialize flags field.
10002 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
10003 * rtl.def (DEPS_LIST): Define.
10004 * rtl.h: Declare new functions from lists.c.
10005 * sched-deps.c (spec_dependency_cache): New static variable.
10006 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
10007 (add_dependence): Change return type to void. Move the logic to ...
10008 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
10009 (delete_all_dependences): Add comment about forward_dependency_cache.
10010 Handle spec_dependency_cache. Handle DEPS_LISTs.
10011 (fixup_sched_groups): Clarify the change of priority of output
10012 and anti dependencies.
10013 (sched_analyze_2): Adjust add_dependence calls to create data
10014 speculative dependence.
10015 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
10016 Adjust all callers. Handle DEPS_LISTS.
10017 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
10018 presence of speculation.
10019 (init_dependency_caches, free_dependency_caches):
10020 Handle spec_dependency_cache.
10021 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
10022 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
10023 New static functions.
10024 (add_or_update_back_dep, add_or_update_back_forw_dep,
10025 add_back_forw_dep, delete_back_forw_dep): New functions.
10026 * sched-int.h (ds_t, dw_t): New typedefs.
10027 (struct sched_info): Add new field flags.
10028 (struct haifa_insn_data): Add new bitfield has_internal_dep.
10029 Prototype new sched-deps.c functions.
10030 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
10031 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
10032 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
10033 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
10034 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
10035 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
10037 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
10039 * sched-rgn.c (current_sched_info): Initialize flags field.
10040 (schedule_insns): Initialize current_sched_info before the sched_init
10042 * sched-ebb.c (current_sched_info): Initialize flags field.
10043 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
10044 Call add_or_update_back_dep instead of add_dependence.
10045 Create control speculative dependencies.
10046 (schedule_insns): Initialize current_sched_info before the sched_init
10049 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
10051 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
10053 (sh_fallback_frame_state): Likewise.
10055 2006-03-15 Geoffrey Keating <geoffk@apple.com>
10057 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10058 Do switch on default_use_cxa_atexit.
10059 (powerpc*-*-darwin*): Build crt2.o on powerpc.
10060 * config/darwin-crt3.o: New.
10061 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10062 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
10063 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
10065 * config/rs6000/t-darwin: Move crt2.o building to here.
10066 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
10067 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
10070 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10072 * config/vax/vax.c (nonindexed_address_p): Change logical negation
10073 from '! xxx' to '!xxx' for coding-style conformance.
10074 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10075 (EXTRA_CONSTRAINT): Likewise.
10076 * config/vax/vax.md (four unnamed insns): Likewise.
10078 2006-03-15 Paul Brook <paul@codesourcery.com>
10080 * config/arm/arm.c (minipool_pad): New.
10081 (add_minipool_forward_ref): Include pool alignment padding in address
10083 (push_minipool_fix): Set minipool_pad.
10084 (minipool_pad): Ditto.
10086 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10088 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
10089 instead of GET_CODE() == MEM and REG_P() instead of
10091 (print_operand_address): Likewise.
10092 (vax_address_cost): Likewise.
10093 (vax_rtx_costs): Likewise.
10094 (vax_notice_update_cc): Likewise.
10095 (vax_output_int_add): Likewise.
10096 (INDEX_REGISTER_P): Likewise.
10097 (BASE_REGISTER_P): Likewise.
10098 (nonindexed_address_p): Likewise.
10099 (vax_mode_dependent_address_p): Likewise.
10100 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
10101 (PRINT_OPERAND): Likewise.
10102 * config/vax/vax.md (ashlsi3): Likewise.
10103 (ashlsi3): Likewise.
10104 (some more unnamed insns): Likewise.
10106 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
10108 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
10109 iterator-style macro.
10110 (mark_control_dependent_edges_necessary): Update the use of
10111 EXECUTE_IF_CONTROL_DEPENDENT.
10113 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
10115 * config/sh/predicates.md (cache_address_operand): Special.
10116 (ua_address_operand): Likewise.
10118 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10120 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10122 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10124 2006-03-15 Andreas Schwab <schwab@suse.de>
10126 * gensupport.c (identify_predicable_attribute): Don't free p_false
10127 when it is still in use.
10129 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
10131 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10132 the default setting here.
10134 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
10136 * tree-pass.h (pass_cfg): Remove.
10137 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10138 * passes.c (pass_cfg): Don't run it.
10140 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
10142 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10143 * reg-stack.c (stack_regs_mentioned_data): Change the type to
10145 (stack_regs_mentioned): Update the uses of
10146 stack_regs_mentioned_data. Don't access the array beyond its
10148 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10149 Don't include gt-reg-stack.h.
10151 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
10152 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10154 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10156 PR middle-end/26684
10157 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10160 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10162 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10164 2006-03-14 Richard Guenther <rguenther@suse.de>
10166 PR tree-optimization/26672
10167 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10170 2006-03-14 Richard Guenther <rguenther@suse.de>
10172 PR tree-optimization/26667
10173 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10174 node for the callees. Always allow inlining if it will shrink
10177 2006-03-14 Richard Guenther <rguenther@suse.de>
10179 PR middle-end/26659
10180 * builtins.c (get_pointer_alignment): Prefer alignment
10181 information from decls over that from types.
10183 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
10186 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10188 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
10190 * config/rs6000/rs6000.opt (mdlmzb): New option.
10191 (msched-prolog, msched-epilog): Use Var not Mask.
10192 * doc/invoke.texi (-mdlmzb): Document.
10193 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10195 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10196 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10198 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
10200 PR rtl-optimization/25739
10201 * bt-load.c (augment_live_range): Free tos pointer.
10203 * gensupport.c (identify_predicable_attribute): Free
10205 * gcov.c (create_file_names): Free name pointer.
10207 2006-03-13 Roger Sayle <roger@eyesopen.com>
10209 PR middle-end/26557
10210 * stmt.c (emit_case_nodes): Handle the case where the index is a
10211 CONST_INT, where the comparison mode is specified by the index type.
10213 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10215 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10218 2006-03-13 Richard Sandiford <richard@codesourcery.com>
10220 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10221 (*branch_fp_inverted): Likewise.
10223 2006-03-13 Jakub Jelinek <jakub@redhat.com>
10225 PR middle-end/25989
10226 * omp-low.c (expand_omp_for_generic): Mark istart0
10227 and iend0 as addressable.
10229 2006-03-13 Jie Zhang <jie.zhang@analog.com>
10231 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10233 2006-03-13 Jeff Law <law@redhat.com>
10235 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10236 virtual operands are interesting.
10237 (vrp_visit_stmt): Corresponding changes.
10239 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
10241 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10243 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10244 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10245 * config/bfin/crti.S: Use it instead of __PIC__.
10246 * config/bfin/crtn.S: Likewise.
10248 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10249 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10251 Lose 'G' modifier for call operand.
10252 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10253 recognize 'G' modifier.
10255 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10257 PR middle-end/18859
10258 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10259 * stmt.c (expand_case): Likewise.
10261 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10263 PR rtl-optimization/26254
10264 * loop-invariant.c (seq_insns_valid_p): New function.
10265 (move_invariant_reg): Only emit new code if it is valid.
10267 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10269 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10271 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10272 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10273 (commit_one_edge_insertion): Do not look for loop notes.
10275 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10277 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10278 flag_test_coverage out of loop.
10280 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10282 * final.c (shorten_branches): Remove outdated comment, and turn
10283 the if branch that guards it to continue.
10285 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10287 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10288 * cfgloop.h (struct loop): Remove unused fields.
10290 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10292 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10293 (-dL, -fdump-rtl-loop2): Update the dump file names
10295 * doc/invoke.texi: Update dump file names.
10297 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10299 * predict.c (estimate_probability): Remove.
10300 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10301 * basic-block.h (estimate_probability): Remove prototype.
10302 * passes.c (finish_optimization_passes): Dump branch prediction or
10303 profiling heuristics to the .profile tree dump.
10304 (init_optimization_passes): Unqueue pass_branch_prob.
10306 * doc/invoke.texi (-fdump-rtl-bp): Remove.
10308 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10310 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10311 * rtl.h (LABEL_NEXTREF): Remove field accessor.
10313 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
10315 * function.h (frame_offset_overflow): Declare.
10316 * function.c (frame_offset_overflow): New function.
10317 (assign_stack_local_1): Call it to detect that the offset overflows.
10318 * cfgexpand.c (alloc_stack_frame_space): Likewise.
10320 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10322 * config/sh/sh.c: Include alloc-pool.h.
10323 (label_ref_list_pool): New alloc pool.
10324 (label_ref_list_t): New type for lists of labels.
10325 (struct pool_node): Make wend a label_ref_list_t.
10326 (add_constant): Use the new type, eradicate LABEL_NEXTREF
10328 (dump_table): Likewise.
10329 (sh_reorg): Set up the alloc pool before using add_constant and
10330 dump_table, and destroy it when finishing.
10332 2006-03-11 Richard Sandiford <richard@codesourcery.com>
10334 * config/mips/mips.c: Remove redundant comment.
10336 2006-03-10 Jason Merrill <jason@redhat.com>
10339 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10340 the target was declared 'register'.
10342 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
10344 * genpreds.c (write_insn_constraint_len): Change definition of
10345 insn_constraint_len to return size_t to match the declaration.
10347 2006-03-10 DJ Delorie <dj@redhat.com>
10349 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10351 (m32c_expand_insv): Fix test for an AND mask.
10353 2006-03-10 Richard Guenther <rguenther@suse.de>
10355 PR middle-end/26565
10356 * builtins.c (get_pointer_alignment): Handle component
10357 references for field alignment.
10359 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10361 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10362 when building with libgloss.
10363 (sh*elf): Implement --without-fp option.
10364 (sh64-superh-linux*): Don't multilib.
10366 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10368 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10370 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10372 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10373 Set it when one of the replacement functions returned true.
10374 Return TODO_cleanup_cfg if cfgchanged is true.
10375 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10377 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10379 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10380 instead of gen_lowpart.
10382 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10384 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10386 (mips_output_order_conditional_branch): Declare.
10387 * config/mips/mips.h (MIPS_BRANCH): New macro.
10388 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10389 for the comparison. Use gen_condjump.
10390 (mips_output_conditional_branch): Rework interface to take the
10391 asm templates for a direct branch and the inverse of a direct branch.
10392 (mips_output_order_conditional_branch): New function.
10393 (mips_builtin_branch_and_move): New function.
10394 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10395 branch condition. Use gen_single_cc as the condition for
10396 __builtin_mips_upper_* or __builtin_mips_lower_*.
10397 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10398 Use VOIDmode for the branch condition.
10399 * config/mips/predicates.md (order_operator): New predicate.
10400 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10401 (branch_fp): Rename to...
10402 (*branch_fp): ...this. Remove mode from comparison operator.
10403 Use new mips_output_conditional_branch interface.
10404 (branch_fp_inverted): Rename to...
10405 (*branch_fp_inverted): ...this and update as for *branch_fp.
10406 (*branch_zero<mode>): Rename to...
10407 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10408 Use mips_output_order_conditional_branch. Only accept ordered
10410 (*branch_zero<mode>_inverted): Rename to...
10411 (*branch_order<mode>_inverted): ...this and update as for
10412 *branch_order<mode>.
10413 (*branch_equality<mode>): Accept zero as the second operand to
10414 the equality operator. Use the new mips_output_conditional_branch
10416 (*branch_equality<mode>_inverted): Likewise.
10417 (condjump): New expander.
10418 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10420 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10421 (bc1any2t, bc1any2f): Likewise.
10422 (single_cc): New expander.
10423 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10425 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10427 * doc/md.texi: Update documentation of MIPS constraints.
10428 * config/mips/constraints.md: New file.
10429 * config/mips/mips.md: Include it.
10430 * config/mips/mips.c (mips_char_to_class): Delete.
10431 (override_options): Don't initialize mips_char_to_class.
10432 * config/mips/mips.h (mips_char_to_class): Delete.
10433 (REG_CLASS_FROM_LETTER): Delete.
10434 (CONST_OK_FOR_LETTER_P): Delete.
10435 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10436 (EXTRA_CONSTRAINT_Y): Delete.
10437 (EXTRA_CONSTRAINT_STR): Delete.
10438 (CONSTRAINT_LEN): Delete.
10439 (EXTRA_MEMORY_CONSTRAINT): Delete.
10441 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10443 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10444 original fn's eh regions.
10446 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10448 * fold-const.c (build_range_check): Make sure to use a valid type to
10449 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10452 (range_predecessor): New static function.
10453 (range_successor): Likewise.
10454 (merge_ranges): Use them to compute predecessors and successors of
10457 2006-03-09 Roger Sayle <roger@eyesopen.com>
10459 PR middle-end/26561
10460 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10461 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10463 2006-03-08 DJ Delorie <dj@redhat.com>
10465 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10466 (addpsi3): Expand to include memory operands. Remove
10467 reload-specific splits.
10468 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10469 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10470 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10471 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10472 (shift1_qi, shift1_hi, insv): New.
10473 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10474 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10475 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10477 * config/m32c/m32c-protos.h: Update as needed.
10478 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10479 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10480 Fail for unrecognized R* constraints.
10481 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10482 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10483 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10485 (m32c_init_libfuncs): New.
10486 (m32c_legitimate_address_p): Add debug wrapper.
10487 (m32c_rtx_costs): New.
10488 (m32c_address_cost): New.
10489 (conversions): Add 'B' prefix.
10490 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10491 operands, or word regnames for QI operands. 'B' prints bit
10493 (m32c_expand_setmemhi): New.
10494 (m32c_expand_movmemhi): New.
10495 (m32c_expand_movstr): New.
10496 (m32c_expand_cmpstr): New.
10497 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10498 (m32c_expand_neg_mulpsi3): Handle non-ints.
10499 (m32c_cmp_flg_0): New.
10500 (m32c_expand_movcc): New.
10501 (m32c_expand_insv): New.
10502 (m32c_scc_pattern): New.
10503 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10504 a0/a1 out of SIregs.
10505 (STORE_FLAG_VALUE): New.
10506 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10509 * config/m32c/mov.md: Make constraints more liberal.
10510 (zero_extendqihi2): Optimize r0/r1 case.
10511 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10512 * config/m32c/predicates.md (m32c_any_operand): New.
10513 (m32c_nonimmediate_operand): New.
10514 (m32c_hl_operand): New.
10515 (m32c_r3_operand): New.
10518 (memsym_operand): New.
10519 (memimmed_operand): New.
10520 (a_qi_operand): New.
10521 (m32c_eqne_operator): New.
10522 (m32c_1bit8_operand): New.
10523 (m32c_1bit16_operand): New.
10524 (m32c_1mask8_operand): New.
10525 (m32c_1mask16_operand): New.
10526 * config/m32c/blkmov.md: New file.
10527 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10529 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10531 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10532 unsigned to fix signed/unsigned comparison issue in
10533 DWARF2_FRAME_REG_OUT.
10534 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10535 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10537 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10538 of ptr into the ENABLE_CHECKING section.
10540 2006-03-08 Jeff Law <law@redhat.com>
10542 * tree-vrp.c (infer_value_range): Only count pointer uses
10543 and dereferences if -fdelete-null-pointer-checks is enabled.
10545 * tree-vrp.c (find_assert_locations): Infer value ranges for
10546 single use pointers, but do not create ASSERT_EXPRs for them.
10547 When a non-null range is inferred for a pointer, backwards
10548 propagate that range to other equivalent pointers through the
10551 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10554 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10555 language hook targets.
10556 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10557 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10558 if language hook targets were missing.
10560 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10562 * tree-ssa-opfinalize.h: Removed.
10563 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10565 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10566 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10567 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10568 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10569 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10570 finalize_ssa_v_must_def_ops): New.
10572 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10574 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10575 block as parameter.
10577 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10579 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10581 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10582 addresses with offsets; reorganize.
10584 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10585 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10586 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10588 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10591 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10593 2006-03-08 Ben Elliston <bje@au.ibm.com>
10595 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10597 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10600 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10603 2006-03-07 Richard Guenther <rguenther@suse.de>
10605 PR tree-optimization/26587
10606 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10608 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10610 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10612 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10614 * hooks.c (hook_bool_mode_rtx_true): New function.
10615 * hooks.h (hook_bool_mode_rtx_true): Declare.
10616 * toplev.c (compile_file): Call output_shared_constant_pool.
10617 * varasm.c (shared_constant_pool): New variable.
10618 (assemble_start_function, assemble_end_function): Remove arguments
10619 from call to output_constant_pool.
10620 (create_constant_pool): New function, split out from...
10621 (init_varasm_status): ...here.
10622 (force_const_mem): Choose between the shared and per-function constant
10623 pools. Set current_function_uses_const_pool when reusing old entries
10624 as well as when creating new ones.
10625 (mark_constant): Ignore data argument.
10626 (mark_constants): Remove pool argument.
10627 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10628 to decide whether the function uses a constant pool.
10629 (output_constant_pool_contents): New function, split out from...
10630 (output_constant_pool): ...here.
10631 (output_shared_constant_pool): New function.
10632 (init_varasm_once): Initialize shared_constant_pool.
10633 * output.h (output_constant_pool): Delete.
10634 (output_shared_constant_pool): Declare.
10635 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10636 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10638 2006-03-06 Nick Clifton <nickc@redhat.com>
10640 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10641 flag_strength_reduce.
10643 2006-03-06 Ben Elliston <bje@au.ibm.com>
10645 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10646 x86_64-*-linux* configurations.
10648 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10649 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10651 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10653 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10655 * basic-block.h: Remove the extern for
10656 rediscover_loops_after_threading.
10658 * cfgloop.c (cancel_loop): Make it static.
10659 * cfgloop.h: Remove the prototype for cancel_loop.
10661 * flow.c (recompute_reg_usage): Make it static.
10662 * rtl.h: Remove the prototype for recompute_reg_usage.
10664 * function.c (use_return_register): Make it static.
10665 * function.h: Remove the prototype.
10667 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10669 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10671 * recog.h: Remove the prototype for
10672 validate_change_maybe_volatile.
10674 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10676 * rtlanal.c (replace_reg): Remove.
10677 * rtl.h: Remove the prototype for replace_reg.
10679 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10681 * regclass.c (reg_scan_update): Remove.
10682 (reg_scan_mark_refs): Remove the last argument.
10683 * rtl.h: Remove the prototype for reg_scan_update.
10685 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10687 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10688 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10689 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10690 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10691 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10692 loop-invariant.c, omp-low.c, opts.c, passes.c,
10693 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10694 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10695 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10696 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10697 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10698 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10700 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10702 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10703 * dwarf2out.h: Remove the prototype for
10704 dwarf2out_add_library_unit_info.
10706 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10708 * tree.c (add_var_to_bind_expr): Remove.
10709 * tree.h: Remove the prototype for add_var_to_bind_expr.
10711 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10713 * regclass.c (n_non_fixed_regs): Remove.
10714 (init_reg_sets_1, globalize_reg): Remove all uses of
10716 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10718 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10720 * rtlanal.c (insns_safe_to_move_p): Remove.
10721 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10723 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10725 * expmed.c (expand_mult_add): Remove.
10726 * expr.h: Remove the prototype for expand_mult_add.
10728 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10730 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10731 and REG_SAVED_VAL_EXP constants.
10732 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10733 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10734 Handle regs stored by value.
10735 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10736 (execute_cfa_program): Handle DW_CFA_val_offset,
10737 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10738 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10739 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10740 (uw_install_context_1): Handle target regs stored by value.
10742 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10744 * tree-sra.c (tree_sra): Return todoflags;
10745 (generate_one_element): Set TODO_update_smt_usage if needed.
10746 (pass_sra): Remove TODO_update_smt_usage.
10747 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10749 (tree_ssa_forward_propagate_single_use_vars): Return
10750 TODO_update_smt_usage if we need to update SMT usage.
10751 (pass_forwprop): Remove TODO_update_smt_usage.
10753 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10755 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10756 (correct_use_link): Remove reference to get_stmt_operands.
10757 (update_stmt_operands): Likewise.
10758 (get_modify_expr_operands): New function factored out of
10759 parse_ssa_operands and get_expr_operands.
10760 Try to create V_MUST_DEFs for LHS by default.
10761 (get_expr_operands) <case MODIFY_EXPR>: Call
10762 get_modify_expr_operands.
10763 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10764 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10765 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10766 get_modify_expr_operands.
10768 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10770 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10771 * tree-flow.h: Remove the prototype for
10772 referenced_var_lookup_if_exists.
10774 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10776 PR rtl-optimization/26345
10778 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10780 2006-03-03 Roger Sayle <roger@eyesopen.com>
10782 PR tree-optimization/26524
10783 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10784 fold_convert to create a constant of the appropriate type.
10786 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10788 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10789 SYMBOL_REF_IN_BLOCK_P.
10790 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10791 of SYMBOL_FLAG_IN_BLOCK.
10792 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10793 instead of SYMBOL_REF_IN_BLOCK_P.
10794 * explow.c (use_anchored_address): Likewise.
10795 * rtl.c (rtx_size): Likewise.
10796 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10797 instead of SYMBOL_FLAG_IN_BLOCK.
10798 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10799 SYMBOL_REF_IN_BLOCK_P.
10800 (assemble_variable): Likewise.
10801 (output_constant_def_contents): Likewise.
10802 (output_constant_pool): Likewise.
10803 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10804 instead of SYMBOL_FLAG_IN_BLOCK.
10805 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10806 SYMBOL_REF_IN_BLOCK_P.
10807 (SYMBOL_REF_BLOCK): Likewise.
10808 (SYMBOL_REF_OFFSET): Likewise.
10809 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10810 SYMBOL_REF_IN_BLOCK_P.
10811 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10812 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10813 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10814 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10816 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10818 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10820 2006-03-02 Roger Sayle <roger@eyesopen.com>
10822 * simplify-rtx.c (simplify_unary_operation): When simplifying
10823 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10824 that we perform the right shift in the appropriate mode, and
10825 then extend or truncate the result to requested mode.
10827 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10829 * gengtype.c (main): Handle double_int type.
10830 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10831 * double-int.c: New file.
10832 * double-int.h: New file.
10833 * system.h: Include doubleint.h.
10834 * Makefile.in (SYSTEM_H): Include double-int.h.
10835 (double-int.o): Add.
10837 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10840 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10843 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10845 * tree-vrp.c (remove_range_assertions): Do not update statements
10848 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10850 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10852 * gcse.c (rest_of_handle_gcse): Ditto.
10853 * except.c (gate_handle_eh): Ditto.
10854 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10855 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10857 2006-03-02 Eric Christopher <echristo@apple.com>
10859 * config/i386/i386.c (machopic_output_stub): Add indirection to
10862 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10866 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10868 Sun Niagara specific optimizations.
10869 * config.gcc: Recognize niagara as target.
10870 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10871 (TARGET_CPU_niagara): Define.
10872 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10873 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10874 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10875 (ASM_CPU_SPEC): Likewise.
10876 (PROCESSOR_NIAGARA): New enum entry.
10877 (REGISTER_MOVE_COST): Handle Niagara.
10878 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10879 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10880 (sparc_override_options): Recognize "niagara", set appropriate
10881 default MASK_* values for it, and align functions to 32-bytes
10882 by default just like ULTRASPARC/ULTRASPARC3.
10883 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10884 (sparc64_initialize_trampoline): Likewise.
10885 (sparc_use_sched_lookahead): Use zero for niagara.
10886 (sparc_issue_rate): Use one for niagara.
10887 * config/sparc/niagara.md: New file.
10888 * config/sparc/sparc.md: Include it.
10889 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10890 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10891 when default cpu is niagara.
10892 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10893 (ASM_CPU_SPEC): Likewise.
10894 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10895 when default cpu is niagara.
10896 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10897 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10898 just like v9/ultrasparc/ultrasparc3.
10899 * doc/invoke.texi: Add documentation for "niagara" and improve
10900 existing documentation for ultrasparc variants.
10902 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10904 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10906 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10908 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10909 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10910 and say that only one is needed.
10911 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10912 * target.h (have_switchable_bss_sections): New hook.
10913 * explow.c (use_anchored_address): Check that the symbol is in a block.
10914 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10915 (bss_noswitch_section): New variables.
10916 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10917 (get_noswitch_section): New function.
10918 (get_block_for_section): Allow SECT to be null.
10919 (unlikely_text_section_p): Use SECTION_STYLE.
10920 (bss_initializer_p): New function.
10921 (get_variable_section): Move earlier in file. Take a new argument,
10922 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10923 Return one of the new *_sections in such cases.
10924 (get_block_for_decl): New function, extracting some logic from
10925 use_blocks_for_decl_p.
10926 (change_symbol_section): Remove in favor of...
10927 (change_symbol_block): ...this new function.
10928 (use_blocks_for_decl_p): Remove checks now performed by
10929 get_block_for_decl.
10930 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
10931 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
10932 (emit_local, emit_bss, emit_common): ...these new functions.
10933 Return true if the alignment was honored.
10934 (emit_tls_common): New function.
10935 (asm_emit_uninitialised): Delete.
10936 (assemble_variable_noswitch): New function, split out from...
10937 (assemble_variable): ...here. Don't make decisions about common
10938 variables here. Globalize all public decls that go into non-common
10939 sections. Check whether SYMBOL_REF_BLOCK is null.
10940 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
10941 (output_constant_pool): Likewise.
10942 (init_varasm_once): Initialize the new section variables.
10943 (have_global_bss_p): New function.
10944 (categorize_decl_for_section): Use bss_initializer_p.
10945 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
10946 (place_block_symbol): Assert that the symbol must be in a block.
10947 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
10948 (TARGET_INITIALIZER): Include it.
10949 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
10950 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
10951 (SECTION_MACH_DEP): Bump by two.
10952 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
10953 (unnamed_section): Mention SECTION_UNNAMED in comment.
10954 (named_section): Likewise SECTION_NAMED.
10955 (noswitch_section_callback): New type.
10956 (noswitch_section): New structure.
10957 (section): Add a noswitch_section alternative.
10958 (SECTION_STYLE): New macro.
10959 (tls_comm_section, comm_section, lcomm_section): Declare.
10960 (bss_noswitch_section, have_global_bss_p): Declare.
10961 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10962 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10964 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10965 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10968 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10970 * tree-vrp.c (execute_vrp): Return value.
10971 * regrename.c (rest_of_handle_regrename): Ditto.
10972 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10973 * tree-complex.c (tree_lower_complex): Ditto.
10974 (tree_lower_complex_O0): Ditto.
10975 * tracer.c (rest_of_handle_tracer): Ditto.
10976 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10977 * postreload.c (rest_of_handle_postreload): Ditto.
10978 * tree-tailcall.c (execute_tail_recursion): Ditto.
10979 (execute_tail_calls): Ditto.
10980 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10981 * tree.h (init_function_for_compilation): Ditto.
10982 * ipa-cp.c (ipcp_driver): Ditto.
10983 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10984 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10985 * final.c (compute_alignments): Ditto.
10986 (rest_of_handle_final): Ditto.
10987 (rest_of_handle_shorten_branches): Ditto.
10988 (rest_of_clean_state): Ditto.
10989 * omp-low.c (execute_expand_omp): Ditto.
10990 (execute_lower_omp): Ditto.
10991 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10992 * ipa-reference.c (static_execute): Ditto.
10993 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10994 * reorg.c (rest_of_handle_delay_slots): Ditto.
10995 (rest_of_handle_machine_reorg): Ditto.
10996 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10997 * flow.c (recompute_reg_usage): Ditto.
10998 (rest_of_handle_remove_death_notes): Ditto.
10999 (rest_of_handle_life): Ditto.
11000 (rest_of_handle_flow2): Ditto.
11001 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
11002 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
11003 (do_ssa_store_ccp): Ditto.
11004 (execute_fold_all_builtins): Ditto.
11005 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
11006 * modulo-sched.c (rest_of_handle_sms): Ditto.
11007 * ipa-pure-const.c (static_execute): Ditto.
11008 * cse.c (rest_of_handle_cse): Ditto.
11009 (rest_of_handle_cse2): Ditto.
11010 * web.c (rest_of_handle_web): Ditto.
11011 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
11012 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
11013 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
11014 * tree-nrv.c (tree_nrv): Ditto.
11015 (execute_return_slot_opt): Ditto.
11016 * tree-ssa-alias.c (compute_may_aliases): Ditto.
11017 (create_structure_vars): Ditto.
11018 * loop-init.c (rtl_loop_init): Ditto.
11019 (rtl_loop_done): Ditto.
11020 (rtl_move_loop_invariants): Ditto.
11021 (rtl_unswitch): Ditto.
11022 (rtl_unroll_and_peel_loops): Ditto.
11023 (rtl_doloop): Ditto.
11024 * gimple-low.c (lower_function_body): Ditto.
11025 (mark_used_blocks): Ditto.
11026 * tree-ssa-sink.c (execute_sink_code): Ditto.
11027 * ipa-inline.c (cgraph_decide_inlining): Ditto.
11028 (cgraph_early_inlining): Ditto.
11029 * global.c (rest_of_handle_global_alloc): Ditto.
11030 * jump.c (cleanup_barriers): Ditto.
11031 (purge_line_number_notes): Ditto.
11032 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
11033 (rest_of_handle_if_after_reload): Ditto.
11034 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
11035 (tree_ssa_loop_im): Ditto.
11036 (tree_ssa_loop_unswitch): Ditto.
11037 (tree_vectorize): Ditto.
11038 (tree_linear_transform): Ditto.
11039 (tree_ssa_loop_ivcanon): Ditto.
11040 (tree_ssa_empty_loop): Ditto.
11041 (tree_ssa_loop_bounds): Ditto.
11042 (tree_complete_unroll): Ditto.
11043 (tree_ssa_loop_prefetch): Ditto.
11044 (tree_ssa_loop_ivopts): Ditto.
11045 (tree_ssa_loop_done): Ditto.
11046 * predict.c (tree_estimate_probability): Ditto.
11047 * recog.c (split_all_insns_noflow): Ditto.
11048 (rest_of_handle_peephole2): Ditto.
11049 (rest_of_handle_split_all_insns): Ditto.
11050 * tree-eh.c (lower_eh_constructs): Ditto.
11051 * regmove.c (rest_of_handle_regmove): Ditto.
11052 (rest_of_handle_stack_adjustments): Ditto.
11053 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11054 * function.c (instantiate_virtual_regs): Ditto.
11055 (init_function_for_compilation): Ditto.
11056 (rest_of_handle_check_leaf_regs): Ditto.
11057 * gcse.c (rest_of_handle_jump_bypass): Ditto.
11058 (rest_of_handle_gcse): Ditto.
11059 * ipa-type-escape.c (type_escape_execute): Ditto.
11060 * alias.c (rest_of_handle_cfg): Ditto.
11061 * tree-if-conv.c (main_tree_if_conversion): Ditto.
11062 * profile.c (rest_of_handle_branch_prob): Ditto.
11063 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
11064 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
11065 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
11066 * tree-dfa.c (find_referenced_vars): Ditto.
11067 * except.c (set_nothrow_function_flags): Ditto.
11068 (convert_to_eh_region_ranges): Ditto.
11069 (rest_of_handle_eh): Ditto.
11070 * emit-rtl.c (unshare_all_rtl): Ditto.
11071 (remove_unnecessary_notes): Ditto.
11072 * except.h (set_nothrow_function_flags): Ditto.
11073 (convert_to_eh_region_ranges): Ditto.
11074 * cfgexpand.c (tree_expand_cfg): Ditto.
11075 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11076 * tree-ssa-pre.c (do_pre): Ditto.
11077 (execute_fre): Ditto.
11078 * cfgcleanup.c (rest_of_handle_jump): Ditto.
11079 (rest_of_handle_jump2): Ditto.
11080 * tree-sra.c (tree_sra): Ditto.
11081 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
11082 (execute_mudflap_function_decls): Ditto.
11083 * tree-ssa-copy.c (do_copy_prop): Ditto.
11084 (do_store_copy_prop): Ditto.
11085 * ipa-prop.h (ipcp_driver): Ditto.
11086 * cfglayout.c (insn_locators_initialize): Ditto.
11087 * tree-ssa-forwprop.c
11088 (tree_ssa_forward_propagate_single_use_vars): Ditto.
11089 * cfglayout.h (insn_locators_initialize): Ditto.
11090 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
11091 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
11092 (execute_late_warn_uninitialized): Ditto.
11093 * rtl.h (cleanup_barriers): Ditto.
11094 (split_all_insns_noflow): Ditto.
11095 (purge_line_number_notes): Ditto.
11096 (unshare_all_rtl): Ditto.
11097 (remove_unnecessary_notes): Ditto.
11098 (recompute_reg_usage): Ditto.
11099 (variable_tracking_main): Ditto.
11100 * integrate.c (emit_initial_value_sets): Ditto.
11101 * integrate.h (emit_initial_value_sets): Ditto.
11102 * tree-optimize.c (execute_free_datastructures): Ditto
11103 (execute_free_cfg_annotations): Ditto.
11104 (execute_fixup_cfg): Ditto.
11105 (execute_cleanup_cfg_pre_ipa): Ditto.
11106 (execute_cleanup_cfg_post_optimizing): Ditto.
11107 (execute_init_datastructures): Ditto.
11108 * tree-object-size.c (compute_object_sizes): Ditto.
11109 * combine.c (rest_of_handle_combine): Ditto.
11110 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
11111 * bb-reorder.c (duplicate_computed_gotos): Ditto.
11112 (rest_of_handle_reorder_blocks): Ditto.
11113 (rest_of_handle_partition_blocks): Ditto.
11114 * var-tracking.c (variable_tracking_main): Ditto.
11115 * tree-profile.c (tree_profiling): Ditto.
11116 * tree-vect-generic.c (expand_vector_operations): Ditto.
11117 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
11118 * sched-rgn.c (rest_of_handle_sched): Ditto.
11119 (rest_of_handle_sched2): Ditto.
11120 * basic-block.h (free_bb_insn): Ditto.
11121 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
11122 * tree-cfg.c (execute_build_cfg): Ditto.
11123 (remove_useless_stmts): Ditto.
11124 (split_critical_edges): Ditto.
11125 (execute_warn_function_return): Ditto.
11126 (execute_warn_function_noreturn): Ditto.
11127 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11128 * cfgrtl.c (free_bb_for_insn): Ditto.
11129 * passes.c (execute_one_pass): Run additional
11130 todos returned by execute function.
11131 * tree-pass.h (struct tree_opt_pass): Make execute
11134 2006-03-02 Richard Guenther <rguenther@suse.de>
11136 * tree-ssa-alias.c (find_used_portions): Consider taking
11137 the address as making the variable not write-only.
11139 2006-03-02 Nick Clifton <nickc@redhat.com>
11141 * config.gcc (default_use_cxa_atexit): Extend the description of
11142 this configure variable. Set its default value to "yes" for
11143 Linux, NetBSD and ELF targets on the assumption that they will
11144 use C libraries with the __cxa_atexit function.
11146 2006-03-02 Ben Elliston <bje@au.ibm.com>
11148 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11149 parameter as unused to suppress a build warning.
11151 2006-03-02 Ben Elliston <bje@au.ibm.com>
11153 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11156 2006-03-01 Roger Sayle <roger@eyesopen.com>
11159 * gthr-posix.h (__gthrw2): Define to take three parameters, the
11160 declared name, the weak reference name, and the typeof name.
11161 (__gthrw): Avoid expanding the declared name suffix.
11162 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11164 2006-03-01 Jakub Jelinek <jakub@redhat.com>
11166 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11168 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11169 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11170 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11171 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11172 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11173 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11174 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11175 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11176 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11177 DW_DS_leading_separate, DW_DS_trailing_separate): New.
11178 (DW_END_default, DW_END_big, DW_END_little): New.
11179 (DW_END_lo_user, DW_END_hi_user): Define.
11180 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11181 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11182 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11185 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11187 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11189 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11191 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11193 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11195 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11196 to 'symbol_mem_tag'.
11198 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11201 2006-03-01 Roger Sayle <roger@eyesopen.com>
11203 * builtins.c (fold_builtin_copysign): Delete unreachable code.
11205 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11208 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11209 MACHO_DYNAMIC_NO_PIC_P.
11210 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11212 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11215 * config/darwin-protos.h (darwin_asm_output_anchor):
11217 * config/darwin-sections.def (cstring_section):
11218 Add SECTION_MERGE to the flags.
11219 (literal4_section): Likewise.
11220 (literal8_section): Likewise.
11221 (objc_selector_refs_section): Likewise.
11222 (objc_cls_refs_section): Likewise.
11223 * config/darwin.c (darwin_asm_output_anchor): New
11225 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11227 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
11229 Fix PR tree-optimization/26443
11230 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11231 to todo and PROP_tmt_usage to properties_destroyed.
11232 * tree-ssa-ccp.c (pass_ccp): Ditto.
11233 (pass_store_ccp): Ditto.
11234 * tree-ssa-dom.c (pass_dominator): Ditto.
11236 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11238 * tree-ssa-operands.c: Cleanup whitespace.
11239 (get_asm_expr_operands): Move before first invocation.
11240 (get_indirect_ref_operands): Likewise.
11241 (get_tmr_operands): Likewise.
11242 (get_call_expr_operands): Likewise.
11243 (append_def): Likewise.
11244 (append_use): Likewise.
11245 (append_v_may_def): Likewise.
11246 (append_v_must_def): Likewise.
11247 (add_call_clobber_ops): Likewise.
11248 (add_call_read_ops): Likewise.
11249 (add_stmt_operand): Likewise.
11250 (add_virtual_operand): Likewise.
11251 (build_ssa_operands): Likewise.
11253 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11255 PR middle-end/26022
11257 PR middle-end/24437
11258 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11259 with a call expr to ...
11260 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11262 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11264 * tree-vrp.c (extract_range_from_assert): Remove special
11265 handling for types with super-types.
11267 2006-03-01 Ben Elliston <bje@au.ibm.com>
11269 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11270 and powerpc64-*-linux* configurations.
11271 * config/t-dfprules: New file.
11273 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11274 Compile dfp-bit.c from the source directory using -DWIDTH and
11275 $DFP_CFLAGS to control the compilation of that file, rather than
11276 generating width-specific versions in the build directory.
11277 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11278 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11280 2006-02-28 Zack Weinberg <zackw@panix.com>
11282 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11285 2006-02-28 Eric Christopher <echristo@apple.com>
11287 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11288 Set up IN_LIBGCC definition of TARGET_64BIT.
11289 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11291 2006-02-28 Roger Sayle <roger@eyesopen.com>
11293 PR middle-end/14752
11294 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11295 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11296 cases via the construction of "expr != 0".
11298 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11300 * alias.c (alias_invariant, alias_invariant_size): Remove.
11301 (record_base_value): Remove.
11302 (memrefs_conflict_p): Don't look at alias_invariant.
11303 (end_alias_analysis): Don't free it.
11304 * alias.h (record_base_value): Remove prototype.
11306 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
11307 Adam Nemet <anemet@caviumnetworks.com>
11309 * rtl.h (truncated_to_mode): Declare it.
11310 (struct rtl_hooks): Add reg_truncated_to_mode hook.
11311 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11312 (RTL_HOOKS_INITIALIZER): Include it.
11313 * rtlhooks.c (reg_truncated_to_mode_general): New function.
11314 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11315 reg_truncated_to_mode.
11316 * rtlanal.c (truncated_to_mode): Define it.
11317 * simplify-rtx.c (simplify_unary_operation_1): Use it.
11319 2006-02-28 Jeff Law <law@redhat.com>
11321 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11322 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11323 the range allowed by TYPE_PRECISION.
11325 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11327 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11329 PR tree-optimization/26419
11330 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11333 2006-02-27 Zack Weinberg <zackw@panix.com>
11335 * doc/md.texi: Fix typo in previous change.
11337 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
11341 2006-02-27 Zack Weinberg <zackw@panix.com>
11343 * rtl.def (define_constraint, define_register_constraint)
11344 (define_memory_constraint, define_address_constraint): New MD forms.
11345 * gensupport.c (process_rtx): Put define_constraint etc on the
11347 * genpreds.c (process_define_predicate): Adjust comment. Validate
11348 the name, and call validate_exp to validate the expression.
11349 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11350 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11351 all callers changed.
11352 (validate_exp, needs_variable, struct constraint_data)
11353 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11354 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11355 (const_dbl_constraints, constraint_max_namelen)
11356 (have_register_constraints, have_memory_constraints)
11357 (have_address_constraints, have_address_constraints)
11358 (have_extra_constraints, have_const_int_constraints)
11359 (have_const_dbl_constraints, mangle, add_constraint)
11360 (process_define_constraint, process_define_register_constraint)
11361 (write_enum_constraint_num, write_lookup_constraint)
11362 (write_insn_constraint_len, write_regclass_for_constraint)
11363 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11364 (write_insn_extra_memory_constraint)
11365 (write_insn_extra_address_constraint)
11366 (write_satisfies_constraint_fns): New.
11367 (write_tm_preds_h): If we have new-style constraint definitions,
11368 prototype the functions generated from them, and define the
11369 old constraint interface (still used by generic code) in terms of
11371 (write_insn_preds_c): If we have new-style constraint definitions,
11372 generate all relevant functions from those definitions.
11373 (main): Handle define_constraint etc.
11374 * genoutput.c (struct constraint_data, indep_constraints)
11375 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11376 (mdep_constraint_len): New data structures and functions, defined
11377 #ifdef USE_MD_CONSTRAINTS.
11378 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11379 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11380 use new logic to validate operand constraints against constraint
11382 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11384 * defaults.h: If none of the old-style constraint macros are
11385 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11386 old-style macros; and poison REG_CLASS_FROM_LETTER,
11387 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11389 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11390 * doc/md.texi: Document new constraint-definition mechanism and the
11391 C interface it provides. Remove references to old mechanism
11392 elsewhere in the document.
11393 (Machine Constraints): Use pathnames relative to gcc directory,
11394 i.e. config/ARCH/FILE. Change i386 section to refer to
11395 config/i386/predicates.md; update that section to match docstrings.
11396 * doc/tm.texi: Move all documentation of the old constraint-
11397 definition macros to their own section, clearly mark as obsolete.
11399 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11400 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11402 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11403 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11404 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11405 constraint strings.
11406 (splits and peepholes): Use satisfies_constraint_*.
11407 * config/i386/i386.c (memory_address_length)
11408 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11410 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11412 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11413 scalar operation to be put back into the loop.
11415 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11418 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11419 (extract_cie_info): Handle S flag in augmentation string.
11420 (execute_cfa_program): If context->signal_frame, execute also
11421 fs->pc == context->ra instructions.
11422 (uw_frame_state_for): If context->signal_frame, don't subtract one
11423 from context->ra to find FDE.
11424 (uw_update_context_1): Set context->signal_frame to
11426 (_Unwind_GetIPInfo): New function.
11427 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11428 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11430 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11431 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11432 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11433 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11434 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11435 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11436 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11437 x86_64_fallback_frame_state): Set fs->signal_frame.
11438 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11439 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11440 (frob_update_context): Likewise. Workaround missing S flag in
11441 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11442 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11443 Remove the psw_addr + 1 hack.
11445 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11447 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11448 with aggregates here.
11449 (find_func_aliases): Remove code for &<aggregate> from here.
11451 2006-02-26 Roger Sayle <roger@eyesopen.com>
11453 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11454 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11455 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11456 as (X & C) ne/eq 0.
11458 2006-02-26 Roger Sayle <roger@eyesopen.com>
11460 PR middle-end/19983
11461 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11463 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11465 * opts.c (decode_options): Do not handle flag_strength_reduce.
11466 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11467 and OPT_fstrength_reduce.
11468 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11469 flag_prefetch_loop_arrays for being nonzero.
11470 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11472 (fprefetch-loop-arrays-rtl): Removed.
11473 (flag_prefetch_loop_arrays): Do not specify the value.
11475 * doc/passes.texi: Update documentation of loop optimizer
11477 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11478 -frerun-loop-opt): Remove.
11480 2006-02-26 Richard Guenther <rguenther@suse.de>
11482 PR tree-optimization/26421
11483 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11484 in function calls that are ADDR_EXPRs as using the whole structure.
11486 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11488 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11489 * tree-pass.h (pass_loop_optimize): Remove.
11490 * passes.c (pass_loop_optimize): Never run it.
11491 * toplev.c (backend_init): Don't call init_loop.
11492 * opts.c (flag_loop_optimize_set): Remove.
11493 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11494 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11495 the old RTL loop optimizer when profiling enabled.
11496 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11497 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11498 pre-headers for the sake of the old RTL loop optimizer.
11499 * Makefile.in: Remove all references to loop.o.
11501 * doc/invoke.texi: Remove all references to -floop-optimize
11502 and -frerun-loop-opt.
11504 2006-02-26 Zack Weinberg <zackw@panix.com>
11506 * doc/md.texi (Machine Constraints): Refer to all files with paths
11507 relative to gcc directory (i.e. config/CPU/file). Add missing
11508 @table @code ... @end table to M32C subsection.
11510 2006-02-26 Roger Sayle <roger@eyesopen.com>
11512 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11514 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11516 2006-02-26 Roger Sayle <roger@eyesopen.com>
11517 James A. Morrison <phython@gcc.gnu.org>
11519 PR middle-end/21137
11520 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11521 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11522 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11523 signedness of the shift operation.
11525 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11527 PR tree-optimization/26359
11528 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11530 2006-02-25 Roger Sayle <roger@eyesopen.com>
11532 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11533 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11534 as X == 0, and some symmetry related transformations.
11535 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11537 2006-02-25 Roger Sayle <roger@eyesopen.com>
11539 PR middle-end/23673
11540 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11541 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11542 symmetry related transformations. Fold (X^C1) == C2 as
11545 2006-02-25 Juergen Weigert <jw@suse.de>
11546 Richard Guenther <rguenther@suse.de>
11548 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11550 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11552 * combine.c (gen_lowpart_or_truncate): Call
11553 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11555 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11557 * doc/invoke.texi: Move -fopenmp description to "Options for
11559 Remove reference to -lgomp.
11561 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11563 * doc/install.texi: Require GNU tar version 1.14.
11565 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11567 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11568 * doc/invoke.texi (C++ Dialect Options): Document
11569 -fno-use-cxa-get-exception-ptr.
11570 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11571 * configure: Regenerate.
11572 * c.opt (fuse-cxa-get-exception-ptr): New.
11573 * c-opts.c (c_common_handle_option): Handle
11574 OPT_fuse_cxa_get_exception_ptr.
11575 * c-common.c (flag_use_cxa_atexit): Update documentation.
11576 (flag_use_cxa_get_exception_ptr): New.
11577 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11578 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11580 (C_COMMON_OVERRIDE_OPTIONS): New.
11582 2006-02-24 Roger Sayle <roger@eyesopen.com>
11584 PR middle-end/24952
11585 * combine.c (try_combine): Explicitly check whether GET_CODE is
11586 a SET or a CLOBBER, instead on checking that it isn't a USE.
11588 2006-02-24 Roger Sayle <roger@eyesopen.com>
11590 * fold-const.c (fold_comparison): New subroutine of fold_binary
11591 containing transformations common to both the equality and
11592 ordering relational operators, factored out of fold_binary.
11593 (fold_binary): Separate out the equality operators (EQ_EXPR
11594 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11595 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11596 transformations common to both.
11597 (fold_div_compare): Fix latent bugs in the previously unreachable
11598 LT_EXPR and GE_EXPR cases.
11600 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11602 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11603 decl libname for clog to __clog on AIX.
11605 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11607 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11610 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11611 output traceback table for thunks. Localise rs6000_stack_info call.
11613 2006-02-23 Roger Sayle <roger@eyesopen.com>
11614 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11616 * gthr-posix.h (__gthrw): Fix typo in comment.
11618 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11620 * doc/cpp.texi (Character sets): Document that we do support
11621 input files to be in any character set.
11623 2006-02-23 Jeff Law <law@redhat.com>
11625 * tree.h (PHI_ARG_NONZERO): Remove.
11626 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11627 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11628 node to the new node.
11630 PR tree-optimization/26425
11631 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11632 min/max, then assume its varying.
11634 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11636 PR rtl-optimization/26316
11637 * rtlanal.c (enum may_trap_p_flags): New.
11638 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11639 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11640 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11641 (may_trap_after_code_motion_p): New function.
11642 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11643 (find_invariant_insn): Use may_trap_after_code_motion_p.
11644 * rtl.h (may_trap_after_code_motion_p): Declare.
11646 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11648 * emit-rtl.c (immed_double_const): Cleanup.
11650 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11652 Fix PR tree-optimization/26376
11653 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11656 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11658 PR middle-end/26412
11659 * gimplify.c (omp_add_variable): Guard variable size decl test with
11660 DECL_SIZE (decl) check.
11662 2006-02-23 Richard Guenther <rguenther@suse.de>
11664 PR middle-end/26439
11665 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11666 like aggregate types.
11668 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11670 * configure.ac: Add --with{,out}-long-double-128 configure option.
11671 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11672 * configure: Rebuilt.
11673 * config.in: Rebuilt.
11674 * doc/install.texi (Options specification): Document
11675 --with-long-double-128.
11677 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11678 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11679 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11680 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11682 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11684 * config/s390/s390.c (override_options): Handle
11685 TARGET_DEFAULT_LONG_DOUBLE_128.
11687 * config/alpha/alpha.c (override_options): Handle
11688 TARGET_DEFAULT_LONG_DOUBLE_128.
11690 * config/sparc/sparc.c (sparc_override_options): Handle
11691 TARGET_DEFAULT_LONG_DOUBLE_128.
11693 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11695 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11696 (real-install-headers-tar, real-install-headers-cpio)
11697 (real-install-headers-cp): New targets.
11699 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11701 * tree.h (variable_section): Delete.
11702 * varasm.c (variable_section): Delete.
11704 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11706 * install.texi: Add notes on install.texi2html.
11707 (Building in parallel): Do not use footnotes.
11709 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11712 * doc/install.texi (Configuration): Document --disable-libgomp.
11714 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11716 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11718 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11720 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11721 (vec_extractv2df_0_sse): New.
11723 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11725 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11726 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11727 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11728 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11729 to the result of the expression.
11730 (def_cfa_1): Adjust.
11731 (frame_pointer_cfa_offset): Rename to...
11732 (frame_pointer_fb_offset): ... this. Adjust all uses.
11733 (convert_cfa_to_loc_list): Rename to...
11734 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11735 Pass it on to build_cfa_loc.
11736 (compute_frame_pointer_to_cfa_displacement): Rename to...
11737 (compute_frame_pointer_to_fb_displacement): ... this. New
11738 offset parameter. Use it in computation.
11739 (gen_subprogram_die): Compute cfa_fb_offset with the new
11740 macro, and use it to compute the fb loc list and the
11743 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11745 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11746 replaced with register_operand.
11747 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11748 non-DREG is expensive.
11749 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11750 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11753 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11755 * doc/install.texi2html: Use set -e.
11757 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11759 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11760 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11761 * doc/invoke.texi (-fshared-data): Delete.
11762 * common.opt (fshared-data): Delete.
11763 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11764 (assemble_static_space): Remove #if 0 code.
11765 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11766 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11767 * config/cris/cris.h: Remove FIXME.
11769 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11771 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11774 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11776 PR middle-end/26379
11777 * combine.c (simplify_shift_const_1): Disable nested shifts
11778 optimization for vector shifts.
11780 2006-02-20 Roger Sayle <roger@eyesopen.com>
11782 PR tree-optimization/26361
11783 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11784 of unsigned integer types.
11786 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11788 * tree-chrec.c (eq_evolutions_p): New.
11789 * tree-chrec.h (eq_evolutions_p): Declared.
11790 * tree-data-ref.c: Fix formatting.
11791 (datadep_stats, dependence_stats): New.
11793 (print_direction_vector): New.
11794 (dump_data_dependence_relation): Use print_direction_vector.
11795 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11796 (compute_subscript_distance): Static.
11797 (initialize_data_dependence_relation): Static. Get the number
11798 of loops surrounding the references from the callers, and initialize
11799 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11800 base_object_differ_p analyzers.
11801 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11802 compute_overlap_steps_for_affine_1_2,
11803 analyze_subscript_affine_affine): Count the classified dependences.
11804 Print a message when a test failed.
11805 (can_use_analyze_subscript_affine_affine): New.
11806 (analyze_siv_subscript): Compute the data dependences on symbolic
11807 scevs that verify can_use_analyze_subscript_affine_affine.
11808 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11809 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11810 Handle symbolic scevs.
11811 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11813 (subscript_dependence_tester): Moved...
11814 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11815 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11816 DDR_SIZE_VECT instead of getting it in parameter.
11817 (subscript_dependence_tester): ... here. Take as a parameter
11818 loop_nest_depth. Call build_classic_dist_vector and
11819 build_classic_dir_vector.
11820 (compute_affine_dependence): Update subscript_dependence_tester
11821 parameters. Update datadep_stats counters. Call
11822 compute_subscript_distance.
11823 (compute_self_dependence): Save the dist and dir vectors. Call
11824 compute_subscript_distance.
11825 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11826 (compute_all_dependences): Reorder parameters as they were before
11827 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11828 compute_subscript_distance. Update the use of
11829 compute_affine_dependence and initialize_data_dependence_relation.
11830 (find_data_references_in_loop): Handle COMPONENT_REF.
11831 (compute_data_dependences_for_loop): Initialize dependence_stats.
11832 Don't call build_classic_dist_vector and build_classic_dir_vector.
11833 Update the parameters of initialize_data_dependence_relation and
11834 compute_all_dependences. Print the statistics from datadep_stats.
11835 (analyze_all_data_dependences): Static. Not used until the pass for
11836 checking the data dependences is contributed.
11837 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11838 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11839 (initialize_data_dependence_relation, compute_affine_dependence,
11840 analyze_all_data_dependences, compute_subscript_distance): Removed.
11841 (print_direction_vector): New.
11842 * lambda.h (gcd): ... here.
11843 (lambda_vector_gcd): Moved here from gcd_vector.
11844 * lambda-code.c (gcd, gcd_vector): Removed.
11845 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11846 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11848 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11850 * ipa-type-escape.c: Tidy some comments and white space.
11851 * tree-ssa-operands.c: Likewise.
11853 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11856 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11857 (dump_decl_name): Do not walk the decl tree chains.
11858 * tree-pass.h (TDF_CHAIN): Remove.
11860 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11862 * Makefile.in (C): Remove
11864 (.PHONY): Remove C and PROTO
11866 2006-02-20 Roger Sayle <roger@eyesopen.com>
11868 PR middle-end/26236
11869 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11870 deprecated CHAR_TYPE tree code.
11872 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11874 * configure.ac (target_list): Add install-info, dvi, html.
11875 * configure: Regenerate.
11877 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11878 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11879 treelang/Make-lang.in: Do not use double-colon rules.
11881 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11883 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11884 (TMT_USED_ALONE): New macro.
11885 * tree-pass.h (PROP_tmt_usage): New property.
11886 (TODO_update_tmt_usage): New todo.
11887 * tree-ssa-alias.c (updating_used_alone): New variable.
11888 (recalculate_used_alone): New function.
11889 (compute_may_aliases): Set updating_used_alone, call
11890 recalculate_used_alone.
11891 * tree-sra.c (pass_sra): Note that this pass destroys
11892 PROP_tmt_usage, and add TODO_update_tmt_usage.
11893 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11894 * tree-flow.h (updating_used_alone): Prototype.
11895 (recalculate_used_alone): Ditto.
11896 * passes.c (execute_todo): Add code to set updating_used_alone,
11897 and call recalculate.
11898 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11899 for clobber if used alone, and add assert to verify used_alone
11902 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11904 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11905 for non tls symbols added.
11906 (legitimize_address): Do nothing for PLUS expressions if one of the
11907 addends is a tls symbol reference.
11909 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11913 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11915 * Makefile.in (BOOTSTRAPPING): New.
11916 (quickstrap): New definition if BOOTSTRAPPING=yes.
11918 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11919 * configure.ac: Substitute all_selected_languages with the languages
11920 that were configured. For all the other variables except
11921 lang_specs_files, include all the languages in the tree.
11922 * configure: Regenerate.
11924 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11925 if there is one. Run the commands to run fixincludes in the same
11928 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11929 * doc/install.texi: Document exact conventions for searching target tools.
11930 Document --with-build-time-tools. Document toplevel bootstrap. Document
11931 something more about building an Ada cross-compiler. Don't list GNU Make
11932 requirements which affect all platforms.
11934 2006-02-19 Roger Sayle <roger@eyesopen.com>
11936 PR middle-end/19543
11937 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
11938 only equivalent if the have both the same mode and precision.
11940 2006-02-20 Ben Elliston <bje@au.ibm.com>
11942 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
11944 2006-02-19 Roger Sayle <roger@eyesopen.com>
11945 Steven Bosscher <stevenb.gcc@gmail.com>
11947 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
11948 constant pool references to identify stack mode constants.
11949 * rtlanal.c (constant_pool_constant_p): New predicate to check
11950 whether operand is a floating point constant in the pool.
11951 * rtl.h (constant_pool_constant_p): Prototype here.
11952 * loop.c (scan_loop): Avoid hoisting constants from the constant
11953 pool on STACK_REGS targets.
11954 (load_mems): Likewise.
11955 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11956 loads into x87 registers expensive in terms of register pressure.
11958 2006-02-19 Roger Sayle <roger@eyesopen.com>
11960 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11961 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11963 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11965 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11966 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11968 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11970 * doc/invoke.texi: Document -fipa-pta.
11971 * common.opt: Add ipa-pta option.
11972 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11973 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11974 (do_ds_constraint): Ditto.
11975 (get_constraint_for): Only add to referenced_vars if
11976 referenced_vars exists.
11977 (insert_into_field_list): Rewrite to do this unsorted.
11978 (insert_into_field_list_sorted): Rename old insert_into_field_list
11980 (create_function_info_for): Use insert_into_field_list_sorted.
11981 (create_variable_info_for): Rewrite so it uses unsorted version,
11982 since the field list is sorted.
11983 (intra_create_variable_infos): Only add to referenced_vars if
11984 referenced_vars exists.
11985 (ipa_pta_execute): Init heapvars, and delete when done.
11986 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11988 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11990 * doc/install.texi: Add missing `@samp'.
11992 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11994 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11997 2006-02-18 Mark Wielaard <mark@klomp.org>
11999 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
12000 who added new 4.1 features, bug fixes and integration support.
12002 2006-02-18 David Edelsohn <edelsohn@gnu.org>
12005 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
12006 MEM for ABI_V4 pic.
12008 2006-02-18 Richard Sandiford <richard@codesourcery.com>
12010 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
12011 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
12012 (copy_insn_1): Likewise. Don't copy each field individually.
12014 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
12016 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
12017 * rtl.c (rtx_size): Rename variable to...
12018 (rtx_code_size): ...this.
12019 (rtx_size): New function.
12020 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
12021 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
12023 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
12024 * rtl.h (rtx_code_size): New variable.
12025 (rtx_size): Change from a variable to a function.
12026 (RTX_SIZE): Rename to...
12027 (RTX_CODE_SIZE): ...this.
12030 PR tree-optimization/17106
12031 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
12032 (Anchored Addresses): New section.
12033 * doc/invoke.texi (-fsection-anchors): Document.
12034 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
12035 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
12036 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
12037 * hooks.c (hook_bool_mode_rtx_false): New function.
12038 * hooks.h (hook_bool_mode_rtx_false): Declare.
12039 * gengtype.c (create_optional_field): New function.
12040 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
12041 SYMBOL_REF_IN_BLOCK_P is true.
12042 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
12043 (min_anchor_offset, max_anchor_offset): Likewise.
12044 (use_anchors_for_symbol_p): New hook.
12045 * toplev.c (compile_file): Call output_object_blocks.
12046 (target_supports_section_anchors_p): New function.
12047 (process_options): Check that -fsection-anchors is only used on
12048 targets that support it and when -funit-at-a-time is in effect.
12049 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
12050 if the decl doesn't have one.
12051 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
12052 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
12053 of force_const_mem through use_anchored_address.
12054 (expand_expr_constant): New function.
12055 (expand_expr_addr_expr_1): Call it. Use the same modifier when
12056 calling expand_expr for INDIRECT_REF.
12057 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12058 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
12059 * expr.h (use_anchored_address): Declare.
12060 * loop-unroll.c: Don't declare rtx vectors here.
12061 * explow.c: Include output.h.
12062 (validize_mem): Call use_anchored_address.
12063 (use_anchored_address): New function.
12064 * common.opt (-fsection-anchors): New switch.
12065 * varasm.c (object_block_htab, anchor_labelno): New variables.
12066 (hash_section, object_block_entry_eq, object_block_entry_hash)
12067 (use_object_blocks_p, get_block_for_section, create_block_symbol)
12068 (use_blocks_for_decl_p, change_symbol_section): New functions.
12069 (get_variable_section): New function, split out from assemble_variable.
12070 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
12071 use_blocks_for_decl_p say so. Use change_symbol_section if the
12072 symbol has already been created.
12073 (assemble_variable_contents): New function, split out from...
12074 (assemble_variable): ...here. Don't output any code for
12075 block symbols; just pass them to place_block_symbol.
12076 Use get_variable_section and assemble_variable_contents.
12077 (get_constant_alignment, get_constant_section, get_constant_size): New
12078 functions, split from output_constant_def_contents.
12079 (build_constant_desc): Create a block symbol if use_object_blocks_p
12080 says so. Or into SYMBOL_REF_FLAGS.
12081 (assemble_constant_contents): New function, split from...
12082 (output_constant_def_contents): ...here. Don't output any code
12083 for block symbols; just pass them to place_section_symbol.
12084 Use get_constant_section and get_constant_alignment.
12085 (force_const_mem): Create a block symbol if use_object_blocks_p and
12086 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
12087 (output_constant_pool_1): Add an explicit alignment argument.
12088 Don't switch sections here.
12089 (output_constant_pool): Adjust call to output_constant_pool_1.
12090 Switch sections here instead. Don't output anything for block symbols;
12091 just pass them to place_block_symbol.
12092 (init_varasm_once): Initialize object_block_htab.
12093 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
12094 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
12095 (place_block_symbol, get_section_anchor, output_object_block)
12096 (output_object_block_htab, output_object_blocks): New functions.
12097 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
12098 (TARGET_ASM_OUT): Include it.
12099 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
12100 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
12101 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
12102 (TARGET_INITIALIZER): Include them.
12103 * rtl.c (rtl_check_failed_block_symbol): New function.
12104 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
12105 (block_symbol, object_block): New structures.
12106 (rtx_def): Add a block_symbol field to the union.
12107 (BLOCK_SYMBOL_CHECK): New macro.
12108 (rtl_check_failed_block_symbol): Declare.
12109 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
12110 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
12111 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
12112 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
12113 * output.h (output_section_symbols): Declare.
12114 (object_block): Name structure.
12115 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
12116 (default_use_anchors_for_symbol_p): Declare.
12117 * Makefile.in (RTL_BASE_H): Add vec.h.
12118 (explow.o): Depend on output.h.
12119 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
12120 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12121 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12122 (rs6000_use_blocks_for_constant_p): New function.
12124 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12126 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12128 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12131 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12134 2006-02-18 Diego Novillo <dnovillo@redhat.com>
12136 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12140 2006-02-18 Jakub Jelinek <jakub@redhat.com>
12142 PR middle-end/26334
12143 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12144 instead of DECL_REGISTER.
12146 2006-02-18 Olivier Hainque <hainque@adacore.com>
12149 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12151 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
12154 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12155 * opth-gen.awk: Handle Var and InverseMask together.
12156 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12157 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12158 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12159 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12161 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12162 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12163 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12164 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12165 LINUX_DYNAMIC_LINKER): Define.
12166 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12167 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12169 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12170 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12171 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12172 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12173 (TARGET_C99_FUNCTIONS): Don't define.
12174 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12175 GLIBC_DYNAMIC_LINKER.
12176 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12177 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12178 GLIBC_DYNAMIC_LINKER64): Define.
12179 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12180 LINUX_DYNAMIC_LINKER64.
12181 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12182 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12183 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12184 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12185 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12186 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12187 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12188 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12189 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12190 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12191 and LINUX_DYNAMIC_LINKER32.
12192 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12193 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12194 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12195 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12196 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12198 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12199 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12200 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12201 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12202 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12203 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12204 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12205 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12206 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12207 LINUX_DYNAMIC_LINKER): Define.
12208 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12209 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12210 GLIBC_DYNAMIC_LINKER64): Define.
12211 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12212 LINUX_DYNAMIC_LINKER64.
12213 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12214 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12215 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12216 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12217 LINUX_DYNAMIC_LINKER): Define.
12218 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12219 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12220 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12221 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12222 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12223 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12224 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12225 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12226 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12227 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12228 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12229 * doc/invoke.texi (-muclibc): Remove caveat about supported
12232 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12234 * doc/cpp.texi (__TIMESTAMP__): Document.
12236 2006-02-17 Roger Sayle <roger@eyesopen.com>
12238 PR middle-end/25600
12239 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12240 C is one less than the width of X (and related transformations).
12241 * simplify-rtx.c (simplify_unary_operation_1): Transform
12242 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12243 depending on STORE_FLAG_VALUE, were C is one less then the
12246 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12248 Fix PR tree-optimization/26341
12249 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12250 about NAME_MEMORY_TAG's.
12252 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12255 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12256 with hardware float support, and software float support. Add fcpy
12257 alternative to hardware patterns. Add alternatives to copy between
12258 general and floating-point registers to the 32-bit pattern.
12259 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12260 secondary reload to load a QI or HI mode constant into a floating
12262 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12263 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12265 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12268 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12270 (load_macho_picbase_di): Likewise.
12272 2006-02-16 Jeff Law <law@redhat.com>
12274 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12275 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12276 (ssa_name_nonzero_p): Likewise.
12277 (get_value_range): Return NULL if VRP is not running.
12278 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12279 VRP routines do not discover a range.
12280 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12281 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12282 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12283 (tree_expr_nonnegative_p): Similarly.
12284 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12285 (restore_nonzero_vars_to_original_value): Remove.
12286 (unsafe_associative_fp_binop): Remove.
12287 (tree_ssa_dominator_optimize): Remove initialization and
12288 finalization of nonzero_vars and nonzero_vars_stack.
12289 (dom_opt_initialize_block): No longer push marker on
12290 nonzero_vars_stack.
12291 (dom_opt_finalize_block): No longer call
12292 restore_nonzero_vars_to_original_value.
12293 (record_equivalences_from_phis): No longer look for
12294 nonzero PHI arguments.
12295 (cprop_into_successor_phis): No longer propagate nonzero
12296 property into PHI arguments. Lose unused argument. Caller
12298 (record_equivalences_from_stmt): No longer record nonzero
12299 values for SSA_NAMEs.
12300 (lookup_avail_expr): No longer use nonzero_vars.
12302 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12303 for sizetype when sizetype is unsigned.
12305 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
12307 PR rtl-optimization/25603
12308 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12309 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12310 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12311 with new meaning of SETS.
12313 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
12318 * config/linux.opt: New file.
12319 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12320 LINUX_DYNAMIC_LINKER): Define.
12321 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12322 * config.gcc (*-*-linux*): Define extra_options.
12323 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12324 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12325 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12326 GLIBC_DYNAMIC_LINKER.
12327 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12328 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12329 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12330 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12331 * doc/invoke.texi (GNU/Linux Options): New section.
12333 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
12335 * config/sparc/sparc.md (setjmp): Rewrite.
12336 (setjmp_32): Delete.
12337 (setjmp_64): Likewise.
12339 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
12341 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12344 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12346 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12349 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12351 PR rtl-optimization/26296
12352 * Makefile.in (loop-invariant.c): Add except.h dependency.
12353 * loop-invariant.c: Include except.h.
12354 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12356 2005-02-16 Paul Brook <paul@codesourcery.com>
12358 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12361 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12363 PR rtl-optimization/25636
12364 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12365 when deciding whether an insn is an initializing insn.
12367 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12369 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12370 (tree_code_size): Ditto.
12371 * tree.h (struct tree_memory_tag): Remove parent_var.
12372 (struct tree_struct_field_tag): New.
12375 (union tree_node): Add sft member.
12376 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12378 (create_sft): Add size and offset argument, set SFT_OFFSET and
12380 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12381 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12382 * tree-flow-inline.h (get_subvar_at): Update for
12383 SFT_OFFSET/SFT_SIZE.
12384 (var_can_have_subvars): Ditto.
12385 (overlap_subvar): Ditto.
12386 * print-tree.c (print_node): Print out interesting things for
12388 * tree-flow.h (struct subvar): Remove offset and size members.
12389 * tree-ssa-operands.c (get_expr_operands): Update for
12390 get_indirect_ref_operands changes.
12391 (get_indirect_ref_operands): Call add_virtual_operand instead of
12392 add_stmt_operand. Only recurse on base var if requested.
12393 (access_can_touch_variable): New function.
12394 (add_stmt_operand): Split virtual operand handling into ...
12395 (add_virtual_operand): Here. Add offset, size, and for_clobber
12396 arguments. Prune alias sets.
12397 (add_call_clobber_ops): Call add_virtual_operand.
12399 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12401 PR middle-end/26300
12402 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12404 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12405 than TREE_CODE as index into omp_clause_num_ops array.
12407 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12409 PR rtl-optimization/26184
12410 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12412 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12413 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12414 must_precede, must_follow and tobe_scheduled.
12417 * opts.c (common_handle_option): Free new_option pointer.
12418 * df-core.c (df_analyze): Free postorder pointer.
12420 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12422 * Makefile.in: Fix the examples about the use of stamps
12424 2006-02-15 Michael Matz <matz@suse.de>
12426 PR middle-end/22275
12428 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12429 influenced by maximum_field_alignment or DECL_PACKED.
12430 (update_alignment_for_field): Ditto.
12431 (place_field): Ditto.
12432 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12435 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12437 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12438 (debug_flow_info): Pass it.
12439 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12440 * bb-reorder.c (reorder_basic_blocks): Likewise.
12441 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12442 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12443 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12444 * gcse.c (gcse_main, bypass_jumps): Likewise.
12445 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12446 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12447 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12448 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12449 * rtl.h (dump_flow_info): Adjust prototype.
12450 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12451 * var-tracking.c (variable_tracking_main): Likewise.
12452 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12453 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12456 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12458 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12461 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12463 PR tree-optimization/26209
12464 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12465 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12467 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12469 2006-02-14 Roger Sayle <roger@eyesopen.com>
12471 PR middle-end/23670
12472 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12473 (X,Y) and the corresponding symmetry related transformations.
12474 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12475 (X,Y) and its symmetry related transformations.
12477 2006-02-14 Roger Sayle <roger@eyesopen.com>
12479 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12482 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12484 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12486 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12489 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12490 support COMDAT group.
12491 * configure: Regenerate.
12493 2006-02-14 Roger Sayle <roger@eyesopen.com>
12495 PR middle-end/26279
12496 PR middle-end/26280
12497 PR middle-end/26283
12498 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12500 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12502 Fix PR tree-optimization/26260
12504 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12506 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12507 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12508 * tree-ssa-structalias.c (create_variable_info_for): Use
12509 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12511 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12513 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12515 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12516 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12517 of the ending condition.
12518 * tree-ssa-loop-manip.c: Include params.h.
12519 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12520 tree_unroll_loop): New functions.
12521 * tree-pass.h (pass_loop_prefetch): Declare.
12522 * loop.c (rest_of_handle_loop_optimize): Test for
12523 -fprefetch-loop-arrays-rtl.
12524 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12525 * timevar.def (TV_TREE_PREFETCH): New timevar.
12526 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12527 pass_loop_prefetch): New.
12528 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12529 (cleanup_tree_cfg_loop): Call scev_reset.
12530 * common.opt (fprefetch-loop-arrays-rtl): Add.
12531 * tree-ssa-loop-prefetch.c: New file.
12532 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12533 (new_temp_expr_table): Initialize expr_vars.
12534 (free_temp_expr_table): Cleanup expr_vars.
12535 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12536 expressions from being merged into one.
12537 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12538 (struct tree_niter_desc): Add control, bound and cmp fields.
12539 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12541 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12542 (tree-cfgcleanup.o): Add SCEV_H dependency.
12543 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12544 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12546 2006-02-14 Richard Guenther <rguenther@suse.de>
12548 PR tree-optimization/26258
12549 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12550 in PHI argument processing.
12552 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12554 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12555 new expression in the requested machine mode.
12557 2006-02-13 Roger Sayle <roger@eyesopen.com>
12559 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12560 directly, instead let do_compare_rtx_and_jump handle this for us.
12561 * expr.c (expand_expr_real_1): Likewise.
12562 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12563 before do_jump_by_parts_greater.
12564 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12565 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12567 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12569 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12571 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12573 PR rtl-optimization/26235
12574 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12575 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12578 2006-02-13 Jeff Law <law@redhat.com>
12580 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12583 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12585 PR middle-end/26092
12586 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12587 twice if decl is a builtin. When trying again, call get_callee_fndecl
12588 first to verify it is still a builtin.
12590 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12592 * dwarf2out.c (base_type_die): Don't add AT_name here.
12593 (subrange_type_die): Don't add AT_name here.
12594 (modified_type_die): Rearrange code flow. Do add AT_name here.
12596 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12598 PR rtl-optimization/26247
12599 PR rtl-optimization/26248
12600 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12602 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12604 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12605 * config/fixtfdi.c: Likewise.
12606 * config/fixunstfdi.c: Likewise.
12607 * config/floatditf.c: Likewise.
12609 2006-02-13 Roger Sayle <roger@eyesopen.com>
12611 PR middle-end/24427
12612 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12613 into (X,C2) if C1 is a subset of the bits of C2. Transform
12614 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12616 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12618 2006-02-13 Josh Conner <jconner@apple.com>
12621 * varasm.c (function_section): Check for section name before
12622 calling select_section on targets that define
12623 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12624 unlikely_text_section instead of hot_function_section if
12625 first_function_block_is_cold.
12627 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12629 PR middle-end/25335
12630 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12632 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12634 PR rtl-optimization/26222
12635 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12636 after tree->rtl expansion.
12637 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12638 before passing it to emit_move_insn.
12640 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12642 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12644 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12645 Clarify documentation.
12646 * c-common.h (warn_write_strings): Remove.
12647 * c-common.c (warn_write_strings): Likewise.
12648 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12651 2006-02-12 Roger Sayle <roger@eyesopen.com>
12653 PR middle-end/25724
12654 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12655 (do_jump_parts_zero_rtx): New function renamed from
12656 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12657 (do_jump_parts_equality_rtx): New function split out from
12658 do_jump_parts_equality. Old implementation renamed as above.
12659 Call do_jump_parts_zero_rtx if either operand is zero.
12660 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12661 do all of the heavy lifting.
12662 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12663 calling either do_jump_by_parts_greater_rtx or
12664 do_jump_by_parts_equality_rtx.
12665 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12666 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12667 moved to do_compare_rtx_and_jump, call it directly.
12668 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12669 mode argument. Call do_compare_rtx_and_jump.
12670 (emit_case_nodes): Update calls to do_jump_if_equal.
12672 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12674 PR rtl-optimization/26225
12675 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12677 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12679 PR rtl-optimization/26232
12680 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12682 2006-02-11 Jason Merrill <jason@redhat.com>
12685 * tree-inline.c (declare_return_variable): Just don't use the
12686 modify target if it's a gimple complex reg and the return slot
12689 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12691 * doc/contrib.texi: Update my entry.
12693 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12695 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12697 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12699 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12702 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12704 * doc/invoke.texi (-floop-optimize2): Removed.
12705 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12706 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12707 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12708 * common.opt (floop-optimize2): Removed.
12709 (fmove-loop-invariants): Enabled by default.
12711 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12713 * tree-if-conv.c (combine_blocks): Free the result of
12714 get_loop_exit_edges.
12716 2006-02-10 Jeff Law <law@redhat.com>
12718 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12720 PR tree-optimization/26213
12721 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12722 loop trying to follow SSA_NAME_VALUE chains.
12724 2006-02-10 Richard Guenther <rguenther@suse.de>
12726 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12727 deal with structures that end in implicitly variable sized arrays.
12729 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12731 PR rtl-optimization/24762
12732 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12735 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12737 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12738 (struct ivopts_data): Add regs_used field.
12739 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12740 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12741 instead of loop_data->regs_used;
12742 (free_loop_data): Do not free aux fields for loops.
12743 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12744 and tree_ssa_iv_optimize_finalize.
12746 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12748 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12750 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12753 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12754 computing the effective result type.
12756 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12758 PR inline-asm/16194
12759 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12760 (tree_overlaps_hard_reg_set): Declare.
12761 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12762 type and signature to match function type expected by walk_tree.
12763 (tree_overlaps_hard_reg_set): New function.
12764 (decl_conflicts_with_clobbers_p): Rename to:
12765 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12766 Use tree_overlaps_hard_reg_set. Changed caller.
12767 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12768 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12769 * cris.c (cris_md_asm_clobbers): Likewise.
12771 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12773 * reload1.c (emit_input_reload_insns): Delete code that tries to
12774 inherit using find_equiv_reg.
12776 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12778 * c-common.h (flag_const_strings): Don't declare.
12779 * c-common.c (flag_const_strings): Remove.
12780 * c.opt (fconst_strings): Remove.
12781 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12782 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12783 (c_common_init_options): Don't set flag_const_strings.
12784 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12786 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12788 * arm.md (tlobits_cbranch): New pattern.
12789 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12790 testing a single bit.
12792 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12795 * tree-ssa-pre.c (create_component_ref_by_pieces):
12796 Handle RETURN_DECL like VAR_DECL.
12798 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12800 PR middle-end/26134
12801 * fold-const.c (fold_indirect_ref_1): Fold
12802 "*(foo *)&complexfoo" to "__real__ complexfoo"
12803 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12805 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12807 * tree-flow-inline.h (var_can_have_subvars):
12808 Volatile variables should not have subvariables.
12810 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12813 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12814 multiplying unsigned values.
12817 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12819 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12821 2006-02-08 Jason Merrill <jason@redhat.com>
12824 * tree.def: Elaborate on difference from MODIFY_EXPR.
12825 * doc/c-tree.texi (INIT_EXPR): Likewise.
12826 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12827 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12828 (gimplify_target_expr): Likewise.
12829 (gimplify_cond_expr): Remove target handling.
12830 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12831 (gimplify_expr): Clobber it here.
12832 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12833 Do return slot optimization if we have an INIT_EXPR.
12836 * tree-inline.c (declare_return_variable): Also clear
12837 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12840 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12842 PR middle-end/22439
12843 * gimplify.c (gimplify_one_sizepos): Fix typo.
12845 2006-02-08 Jeff Law <law@redhat.com>
12847 PR tree-optimization/21417
12848 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12849 across a backedge if the control statement at the end of the
12850 block is data dependent on other statements in the same block.
12851 (record_temporary_equivalences_from_stmts): Remove over-conservative
12852 test for threading across backedges.
12854 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12855 control statement, handle all three special cases in the same
12856 manner as they all have the same desired solution. No longer
12857 special case edge flag updating when the post dominator is
12860 2006-02-08 Roger Sayle <roger@eyesopen.com>
12862 * tree.def (CHAR_TYPE): Remove.
12863 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12864 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12865 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12866 (gen_string_type_die): Delete unreachable function.
12868 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12869 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12870 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12871 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12872 * builtins.c (type_to_class): Likewise.
12873 * fold-const.c (fold_convert, build_range_check,
12874 merge_ranges): Likewise.
12875 * expr.c (count_type_elements): Likewise.
12876 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12877 * stor-layout.c (layout_type): Likewise.
12878 * ipa-type-escape.c (type_to_consider): Likewise.
12879 * gimplify.c (omp_firstprivatize_type_sizes,
12880 gimplify_type_sizes): Likewise.
12881 * explow.c (promote_mode): Likewise.
12882 * tree-sra.c (is_sra_scalar_type): Likewise.
12883 * varasm.c (output_constant): Likewise.
12884 * tree-inline.c (remap_type_1): Likewise.
12885 * convert.c (convert_to_pointer, convert_to_real,
12886 convert_to_integer, convert_to_complex): Likewise.
12888 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12890 * df-scan.c (df_def_record_1): A set destination may
12891 be a parallel regardless of mode.
12893 2006-02-08 Roger Sayle <roger@eyesopen.com>
12896 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12897 * config/mips/_tilib.c: Remove.
12898 * config/fixtfdi.c: New libgcc source file.
12899 * config/fixunstfdi.c: New source file.
12900 * config/floatditf.c: New source file.
12901 * config/floatunditf.c: New souce file.
12902 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12903 files above instead of config/mips/_tilib.c.
12904 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12906 2006-02-08 Jeff Law <law@redhat.com>
12908 PR tree-optimization/26169
12909 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12912 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12914 * df.h (DF_REG_SIZE): Return the length of the initialized
12917 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12919 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12920 __muldf3): Return a correctly signed zero.
12922 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12924 * passes.c (register_one_dump_file): Accept the current properties
12925 instead of pass number. Adjust call to dump_register. Remove
12927 (register_dump_files): Now a wrapper around...
12928 (register_dump_files_1): ... this one. Do not modify the pass
12930 (next_pass_1): Cosmetic fix.
12931 (execute_todo): Keep second parameter only. Use curr_properties
12932 instead of fetching it from the pass structure. Check and set
12934 (execute_one_pass): Handle TODO_set_props. Use curr_properties
12935 instead of fetching it from the pass structure. Fix calls to
12936 execute_todo. Update curr_properties and initialize .vcg RTL dump
12937 after running the pass. Reset last_verified.
12938 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
12940 (FIRST_AUTO_NUMBERED_DUMP): New.
12941 (dump_register): Remove "num" parameter, assign it within the
12943 (get_dump_file_name): Modify template for dumps.
12944 * tree-dump.h (dump_register): Adjust prototype.
12945 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
12946 (PROP_trees): Add PROP_gimple_lomp.
12947 (TODO_set_props): New.
12948 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
12949 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
12950 * cfgexpand.c (pass_expand): Destroy PROP_trees.
12952 2006-02-08 Jakub Jelinek <jakub@redhat.com>
12954 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
12955 (sparc64-*-linux*): Likewise.
12956 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12957 * config/sparc/t-linux: New file.
12958 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12959 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12960 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12961 -m32 -mlong-double-128.
12963 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12964 * config/alpha/t-linux: New file.
12965 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12967 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12968 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12969 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12970 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12971 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12972 (CPP_ARCH32_SPEC): Remove.
12974 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12976 PR tree-optimization/26145
12977 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12980 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12983 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12984 >= 240000 when generating code for SOM runtime.
12985 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12986 to $$dyncall when generating code for SOM runtime..
12988 2006-02-07 Dirk Mueller <dmueller@suse.com>
12991 * doc/invoke.texi (-Wsequence-point): Update documentation
12992 that -Wsequence-point is implemented for C++ as well.
12994 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12996 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12997 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12998 (LIB_SPEC): Likewise.
12999 * doc/invoke.texi (SPARC options): Document -pthread.
13001 2006-02-07 Geoffrey Keating <geoffk@apple.com>
13003 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
13006 2006-02-07 Roger Sayle <roger@eyesopen.com>
13008 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
13009 Correct comment describing BOOLEAN_TYPE.
13011 2006-02-07 Dirk Mueller <dmueller@suse.com>
13013 * c.opt: C++ frontend supports -Wdiv-by-zero.
13014 * c-opts.c (c_common_handle_option): Remove dead case.
13016 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13018 * configure.ac (TLS assembler check): Do not enable TLS by
13019 default on SPARC/Solaris before version 10.
13020 * configure: Regenerate.
13022 2006-02-07 David Edelsohn <edelsohn@gnu.org>
13024 * doc/invoke.texi (xl-compat): Document conversion and support
13027 2006-02-07 Jeff Law <law@redhat.com>
13029 * tree-vrp.c (find_conditional_asserts): Update comments.
13030 (simplify_stmt_for_jump_threading): New.
13031 (identify_jump_threads, finalize_jump_threads): New.
13032 (vrp_finalize): Call identify_jump_threads.
13033 (execute_vrp): Call finalize_jump_threads.
13034 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
13035 (vrp_element, vrp_data, vrp_element_p): Remove.
13036 (vrp_hash_elt, vrp_variables_stack): Remove.
13037 (vrp_hash, vrp_eq, record_range): Remove.
13038 (simplify_cond_and_lookup_avail_expr): Remove.
13039 (extract_range_from_cond): Remove.
13040 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
13041 (simplify_stmt_for_jump_threading): New.
13042 (dom_thread_across_edge): New wrapper.
13043 (tree_ssa_dominator_optimize): No longer initialize or
13044 finalize any of the VRP datastructures. Remove iteration
13045 step and simplify as a result of removal of iteration step.
13046 (pass_dominator): Perform a cfg cleanup after DOM.
13047 (dom_opt_finalize_block): Use the new common routines
13048 for threading jumps. Simplify stack management slightly.
13049 No longer need to unwind VRP state.
13050 (record_equivalences_from_incoming_edge): No longer record
13052 (eliminate_redundant_computations): No longer call
13053 simplify_cond_and_lookup_avail_expr.
13054 * tree-flow.h (potentially_threadable_block): Prototype.
13055 (thread_across_edge): Likewise.
13056 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13057 (tree-ssa-threadedge.o): Add dependencies.
13058 * tree-ssa-threadedge.c: New file.
13059 * passes.c (init_optimization_passes): Merge PHIs before
13060 calling VRP. Run VRP again late in the SSA optimization pipeline.
13062 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13064 * df-core.c (df_set_blocks): Do not dereference function pointers.
13065 (df_finish1): Likewise.
13066 (df_hybrid_search_forward): Likewise.
13067 (df_hybrid_search_backward): Likewise.
13068 (df_iterative_dataflow): Likewise.
13069 (df_analyze_problem): Likewise.
13070 (df_compact_blocks): Likewise.
13071 (df_dump): Likewise.
13072 * df-scan.c (df_rescan_blocks): Likewise.
13073 (df_record_entry_block_defs): Likewise.
13075 * genconditions.c (write_conditions): Guard the definition of
13076 'insn_conditions' with the check on GCC version.
13077 (write_writer): Guard the traversal 'insn_conditions' with
13078 the check on GCC version.
13080 2006-02-07 Richard Guenther <rguenther@suse.de>
13084 2006-01-30 Richard Guenther <rguenther@suse.de>
13086 * gimplify.c (gimplify_target_expr): Handle easy cases
13087 without creating a temporary.
13089 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
13091 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
13092 use of float in probability computations. Use edge probabilities
13093 in place of statically computed probabilities.
13094 (min_spec_prob): New static variable.
13095 (schedule_insns): Initialize it.
13096 (GET_SRC_PROB): Removed.
13097 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
13099 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
13102 * config/ia64/unwind-ia64.c: Revert last change.
13103 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
13104 (INCOMING_FRAME_SP_OFFSET): Define.
13106 2006-02-06 Roger Sayle <roger@eyesopen.com>
13108 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
13110 2006-02-07 Ben Elliston <bje@au.ibm.com>
13112 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
13113 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
13114 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
13115 (ix86_return_in_memory): Handle TDmode.
13116 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
13117 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
13119 2006-02-06 Richard Sandiford <richard@codesourcery.com>
13121 * reorg.c (dbr_schedule): Use dump_file instead of file.
13123 2006-02-06 Steve Ellcey <sje@cup.hp.com>
13126 * config/ia64/predicates.md (extr_len_operand): New predicate.
13127 * config/ia64/ia64.md (extv): Tighten constraints.
13129 (*tbit_and_2): Ditto.
13130 (*tbit_and_3): Ditto.
13131 (*tbit_or_2): Ditto.
13132 (*tbit_or_3): Ditto.
13133 (*bit_zero): Ditto.
13136 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
13139 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13141 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13143 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13144 loop_optimizer_init and loop_optimizer_finalize
13145 * tree-ssa-sink.c (execute_sink_code): Ditto.
13146 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13147 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
13148 tree_ssa_loop_done): Ditto.
13149 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13150 * sched-ebb.c: Include output.h.
13151 (schedule_ebbs): Do not use dump argument.
13152 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
13153 * loop.c (loop_dump_stream): Removed.
13154 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13156 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13157 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13158 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13159 loop_iterations, strength_reduce, record_biv, record_giv,
13160 final_giv_value, check_final_value, check_ext_dependent_givs,
13161 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13162 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13163 dump_file instead of loop_dump_stream.
13164 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13165 argument dump_file.
13166 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13168 * flow.c (life_analysis, rest_of_handle_life): Ditto.
13169 * haifa-sched.c: Include output.h
13170 (schedule_insns, sched_init): Do not use dump argument.
13171 * mode-switching.c (optimize_mode_switching): Ditto.
13172 * modulo-sched.c (stats_file): Removed.
13173 (print_node_sched_params): Do not call argument dump_file.
13174 (sms_schedule_by_order, loop_canon_p, sms_schedule,
13175 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
13177 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13179 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13180 rtl_loop_init, rtl_loop_done): Ditto.
13181 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13182 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13184 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13185 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13186 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13187 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13188 * emit-rtl.c (renumber_insns): Ditto.
13189 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13190 expand_gimple_basic_block, tree_expand_cfg): Ditto.
13191 * regclass.c (regclass): Ditto.
13192 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13193 remove_ssa_form, rewrite_out_of_ssa): Ditto.
13194 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13195 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13197 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13198 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13200 * gcse.c (gcse_file, debug_stderr): Removed.
13201 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13202 rest_of_handle_gcse): Do not use dump argument.
13203 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13204 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13205 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13206 compute_code_hoist_vbeinout, compute_code_hoist_data,
13207 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13208 compute_store_table, build_store_vectors, insert_insn_start_bb,
13209 insert_store, remove_reachable_equiv_notes, replace_store_insn,
13210 store_motion): Use dump_file instead of gcse_file.
13211 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13212 * profile.c (profile_dump_file): Removed.
13213 (branch_prob): Use dump_file instead of profile_dump_file.
13214 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13216 * tree-ssa-copy.c (dump_copy_of): Ditto.
13217 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13218 dump file to life_analysis.
13219 * bt-load.c (branch_target_load_optimize): Ditto.
13220 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13222 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13223 regclass, dbr_schedule): Declaration changed.
13224 * sched-int.h (sched_init): Declaration changed.
13225 * tree-profile.c (tree_profile_dump_file): Removed.
13226 (tree_profile_hooks): Removed profile_dump_file hook.
13227 * rtl-profile (rtl_profile_dump_file): Removed.
13228 (rtl_profile_hooks): emoved profile_dump_file hook.
13229 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13231 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13232 * tree-cfg.c (build_tree_cfg): Ditto.
13233 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13234 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13235 Declaration changed.
13236 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13237 life_analysis and schedule_insns.
13238 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13240 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13242 * config/mips/mips.c (mips_reorg): Ditto.
13243 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13246 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13248 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13249 (s390_mangle_fundamental_type): New.
13250 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13253 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13254 (alpha_mangle_fundamental_type): New.
13255 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13258 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13260 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13262 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13263 (sparc_mangle_fundamental_type): New.
13265 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13267 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13268 (s390x-*-linux*): Likewise.
13269 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13270 * config/s390/t-linux: New file.
13272 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13274 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13275 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13277 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13279 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13280 (ANTIC_SAFE_LOADS): New macro.
13281 (find_or_generate_expression): Add prototype.
13282 (set_contains_value): Allow null set for sake of not always having
13283 to allocate ANTIC_SAFE_LOADS.
13284 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13285 Allow COMPONENT_REF too.
13286 (valid_in_set): Allow COMPONENT_REF.
13287 Check ANTIC_SAFE_LOADS too.
13288 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13289 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13291 (can_PRE_operation): Add COMPONENT_REF.
13292 (create_component_ref_by_pieces): New function.
13293 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13294 (insert_aux): Move AGGREGATE_TYPE_P check here.
13295 (compute_avail): Set bb local stmt uids.
13296 (pass_pre): Use TODO_update_ssa_only_virtuals.
13298 2006-02-06 Ben Elliston <bje@au.ibm.com>
13300 * configure.ac: Unconditionally disable decimal float by default.
13301 * configure: Regenerate.
13303 2006-02-06 Ben Elliston <bje@au.ibm.com>
13305 * read-rtl.c (read_name): Terminate reading on EOF.
13307 2006-02-06 Ben Elliston <bje@au.ibm.com>
13309 * dfp.c (decimal_real_arithmetic): Change second argument type
13310 from int to enum tree_code. Do not always return true, but now
13311 return result of any call to decimal_do helper functions.
13312 * dfp.h (decimal_real_arithmetic): Update prototype.
13314 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
13316 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13318 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
13321 * tree-cfg.c (cleanup_dead_labels): Also don't remove
13324 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13326 * tree-vrp.c (cfg_loops): Removed.
13327 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13328 Use current_loops instead of cfg_loops. Pass flags to
13329 loop_optimizer_init.
13330 * cfgloopmanip.c (fix_loop_structure): Update only available
13332 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13333 loop_optimizer_init.
13334 * modulo-sched.c (build_loops_structure): Removed.
13335 (sms_schedule): Use loop_optimizer_init.
13336 * loop-init.c (loop_optimizer_init): Use flags to determine
13337 which properties of loops to prepare.
13338 (rtl_loop_init): Pass flags to loop_optimizer_init.
13339 * tree-ssa-sink.c (execute_sink_code): Ditto.
13340 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13341 * tree-ssa-pre.c (init_pre): Ditto.
13342 * cfgloop.h (LOOPS_NORMAL): New.
13343 (loop_optimizer_init): Declaration changed.
13345 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13347 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13348 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13350 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13352 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13354 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13355 * pa/t-pa64: Delete quadlib.c rule.
13356 * pa/x-ada: Revert last change.
13357 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13359 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13361 PR rtl-optimization/26087
13362 * rtlanal.c (canonicalize_condition): Do not cross basic block
13365 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13368 * config/ia64/ia64.c: Include debug.h.
13369 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13370 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13371 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13372 (process_epilogue, process_set, process_for_unwind_directive):
13373 Output unwind info only if requested. Add CFA info if requested.
13374 Add new arguments as needed. Adjust callers.
13375 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13377 (DWARF2_FRAME_INFO): Define to zero.
13378 * config/ia64/unwind-ia64.c: Remove code that compensated for
13379 the CFA offset error fixed above.
13380 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13381 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13382 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13383 -funwind-tables and -fexceptions to enable frame info.
13384 (dwarf2out_frame_init): Define initial CFA even if
13385 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13386 DWARF2_UNWIND_INFO is nonzero, not just defined.
13387 (dwarf2out_frame_finish): Output non-EH call frame info only
13388 if DWARF2_FRAME_INFO is nonzero.
13389 (convert_cfa_to_loc_list,
13390 compute_frame_pointer_to_cfa_displacement): Define even if
13391 unwind info is not supported.
13392 (gen_subprogram_die): Use the above unconditionally. Remove
13393 legacy alternate code.
13394 * toplev.c (compile_file): Compile in call to
13395 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13396 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13398 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13399 Jakub Jelinek <jakub@redhat.com>
13401 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13402 IBM extended float format long double as "g" on powerpc*-linux.
13404 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13407 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13408 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13410 2006-02-03 Jason Merrill <jason@redhat.com>
13413 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13415 PR middle-end/25977
13416 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13417 on the return slot if it's an NRV.
13419 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13421 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13422 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13423 rewrite_use): Do not handle USE_OUTER.
13424 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13425 add_iv_outer_candidates, may_replace_final_value,
13426 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13427 (find_interesting_uses_op): Functionality of
13428 find_interesting_uses_outer_or_nonlin moved here.
13429 (find_interesting_uses_outside): Use find_interesting_uses_op.
13431 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13434 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13436 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13437 Ulrich Weigand <uweigand@de.ibm.com>
13440 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13441 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13442 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13443 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13445 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13446 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13447 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13448 Define secondary reloads for TFmode moves.
13449 (constant_modes): Add TFmode.
13450 (NR_C_MODES): Set to 8.
13451 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13453 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13454 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13455 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13456 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13457 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13458 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13459 (FPR mode macro): Add TFmode.
13460 (DSF mode macro): New.
13461 (<de>, <dee> mode attributes): Removed.
13462 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13463 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13464 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13465 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13466 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13467 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13468 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13469 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13470 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13471 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13472 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13473 "*negabs<mode>2", "sqrt<mode>2"):
13474 Changed <de> to <xde>. R constraint replaced by <Rf>.
13475 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13477 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13478 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13479 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13481 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13482 "extenddftf2", "extendsftf2"): New expanders.
13483 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13484 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13485 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13486 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13488 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13489 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13490 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13491 __floatditf): Add a GCC_4.1.0 symbol version tag.
13492 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13495 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13498 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13499 Use targetm.binds_local_p instead of TREE_PUBLIC.
13501 2006-02-02 Roger Sayle <roger@eyesopen.com>
13503 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13504 on INTEGER_TYPEs to indicate that it denotes a character type.
13505 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13506 signed_char_type_node, unsigned_char_type_node and char_type_node.
13507 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13508 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13509 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13511 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13512 Daniel Berlin <dberlin@dberlin.org>
13514 * tree-tailcall.c (arg_needs_copy_p): New function.
13515 (eliminate_tail_call): Use arg_needs_copy_p.
13516 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13517 (add_virtual_phis): New function.
13519 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13521 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13522 #ignore instead of #scratch for %g7 .register directive.
13524 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13526 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13529 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13531 * flow.c (calculate_global_regs_live): Assert that there aren't any
13534 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13536 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13537 what its name says.
13538 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13539 bsi_after_labels iterator.
13540 * tree-if-conv.c (find_phi_replacement_condition,
13541 replace_phi_with_cond_modify_expr): Likewise.
13542 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13543 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13545 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13547 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13549 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13552 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13553 array after growing it.
13555 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13557 PR middle-end/24901
13558 * fold-const.c (fold_checksum_tree): Change type of buf.
13560 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13562 * reload.c (push_secondary_reload): Initialize t_icode.
13564 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13566 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13567 -msoft-float -mlong-double-128 only issue a warning, but don't
13568 swich to DFmode long double.
13570 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13572 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13573 has a constant equivalent, iterate over equivalents for arg0,
13574 calling simplify_relational_operation and if there's a result
13575 cheaper than X, apply fold_rtx and return the result.
13577 2006-02-01 Jan Hubicka <jh@suse.cz>
13579 * opts.c (no_unit_at_a_time_default): New global variable.
13580 (decode_options): Use it.
13581 * opts.h (no_unit_at_a_time_default): Declare.
13583 2006-02-01 Paul Brook <paul@codesourcery.com>
13585 * function.c (assign_parm_setup_reg): Use function argument promotion
13587 * expr.c (expand_expr_real_1): Use function argument promotion rules
13590 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13592 * gcc.c (process_command): Change j to 'unsigned int'.
13594 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13596 PR middle-end/26001
13597 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13598 Use the corrected index for the character
13599 out of the string constant.
13601 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13603 * mode-switching.c (optimize_mode_switching): Fix size
13604 allocated for bb_info[n_entities].
13606 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13608 * gcc.c (main): Correct type that is allocated for
13609 explicit_link_files.
13611 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13613 * config/s390/s390.c (init_alignment_context): Set
13614 ALIAS_SET_MEMORY_BARRIER on the MEM.
13615 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13617 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13619 PR middle-end/25933
13620 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13622 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13625 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13627 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13628 * regrename.c: Ditto.
13629 * tree-ssa-loop-im.c: Ditto.
13630 * tree-dump.c: Ditto.
13631 * tree-complex.c: Ditto.
13632 * genrecog.c: Ditto.
13633 * tree-ssa-threadupdate.c: Ditto.
13635 * java/class.c: Ditto.
13636 * java/jcf-parse.c: Ditto.
13637 * java/resource.c: Ditto.
13638 * java/except.c: Ditto.
13639 * java/jvspec.c: Ditto.
13640 * java/jcf-write.c: Ditto.
13641 * java/jcf-path.c: Ditto.
13642 * java/gjavah.c: Ditto.
13643 * java/zextract.c: Ditto.
13644 * java/jcf-io.c: Ditto.
13645 * java/jcf.h: Ditto.
13646 * java/buffer.c: Ditto.
13647 * java/lang.c: Ditto.
13648 * java/parse-scan.y: Ditto.
13649 * java/lex.c: Ditto.
13650 * java/lex.h: Ditto.
13651 * cfgloopmanip.c: Ditto.
13652 * postreload-gcse.c: Ditto.
13653 * tree-ssa-loop-manip.c: Ditto.
13654 * postreload.c: Ditto.
13655 * tree-ssa-loop-ch.c: Ditto.
13658 * cppspec.c: Ditto.
13659 * diagnostic.c: Ditto.
13661 * genoutput.c: Ditto.
13663 * cfghooks.c: Ditto.
13664 * cfgloopanal.c: Ditto.
13665 * objc/objc-act.c: Ditto.
13667 * genextract.c: Ditto.
13668 * genautomata.c: Ditto.
13669 * pretty-print.c: Ditto.
13670 * genemit.c: Ditto.
13671 * cgraphunit.c: Ditto.
13673 * df-scan.c: Ditto.
13674 * haifa-sched.c: Ditto.
13675 * dominance.c: Ditto.
13677 * tree-ssa-loop-ivopts.c: Ditto.
13678 * df-core.c: Ditto.
13679 * mode-switching.c: Ditto.
13680 * modulo-sched.c: Ditto.
13682 * ipa-pure-const.c: Ditto.
13684 * fix-header.c: Ditto.
13686 * tree-stdarg.c: Ditto.
13687 * ipa-utils.c: Ditto.
13688 * loop-init.c: Ditto.
13689 * ipa-inline.c: Ditto.
13690 * cfganal.c: Ditto.
13692 * alloc-pool.c: Ditto.
13693 * dwarf2out.c: Ditto.
13695 * genattrtab.c: Ditto.
13696 * tree-ssa-loop-ivcanon.c: Ditto.
13697 * predict.c: Ditto.
13698 * timevar.c: Ditto.
13700 * fortran/gfortranspec.c: Ditto.
13701 * regmove.c: Ditto.
13702 * local-alloc.c: Ditto.
13703 * langhooks.c: Ditto.
13704 * function.c: Ditto.
13705 * tree-vectorizer.c: Ditto.
13707 * ipa-type-escape.c: Ditto.
13709 * tree-if-conv.c: Ditto.
13710 * profile.c: Ditto.
13712 * tree-data-ref.c: Ditto.
13713 * loop-unroll.c: Ditto.
13714 * treelang/treetree.c: Ditto.
13716 * bt-load.c: Ditto.
13717 * ggc-common.c: Ditto.
13719 * coverage.c: Ditto.
13721 * tree-cfgcleanup.c: Ditto.
13722 * tree-ssa-pre.c: Ditto.
13723 * cfgcleanup.c: Ditto.
13724 * loop-invariant.c: Ditto.
13725 * loop-iv.c: Ditto.
13726 * ipa-prop.c: Ditto.
13727 * print-tree.c: Ditto.
13728 * conflict.c: Ditto.
13729 * ggc-page.c: Ditto.
13730 * sched-deps.c: Ditto.
13731 * regclass.c: Ditto.
13732 * tree-object-size.c: Ditto.
13733 * combine.c: Ditto.
13734 * bb-reorder.c: Ditto.
13735 * resource.c: Ditto.
13736 * var-tracking.c: Ditto.
13737 * cfgloop.c: Ditto.
13738 * df-problems.c: Ditto.
13739 * reg-stack.c: Ditto.
13741 * gccspec.c: Ditto.
13742 * sched-rgn.c: Ditto.
13743 * tree-ssa-structalias.c: Ditto.
13744 * tree-ssa-reassoc.c: Ditto.
13745 * config/darwin-c.c: Ditto.
13746 * config/darwin.c: Ditto.
13747 * config/arm/arm.c: Ditto.
13749 * collect2.c: Ditto.
13750 * reload1.c: Ditto.
13752 2006-01-31 Nicolas Pitre <nico@cam.org>
13754 * arm.md (smaxsi3): Make aware of smax_m1.
13757 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13759 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13761 2006-01-31 Richard Guenther <rguenther@suse.de>
13763 * doc/invoke.texi (-msselibm): Document.
13764 * target.h (expand_library_builtin): New target hook.
13765 * builtins.c (expand_builtin): Use expand_library_builtin.
13766 (default_expand_library_builtin): New function.
13767 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13768 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13769 (link_gcc_math_spec): Declare.
13770 (static_specs): Add link_gcc_math_spec.
13771 * expr.h (default_expand_library_builtin): Declare.
13772 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13773 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13774 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13775 * config/i386/i386.opt (msselibm): New target option.
13776 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13777 (ix86_init_sse_abi_builtins): New function.
13778 (ix86_expand_library_builtin): Likewise.
13779 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13780 (override_options): Handle error conditions wrt -msselibm.
13781 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13782 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13783 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13786 2006-01-31 Richard Guenther <rguenther@suse.de>
13787 Paolo Bonzini <bonzini@gnu.org>
13789 * doc/install.texi (--disable-libgcc-math): Document.
13791 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13793 * expr.h (expand_normal): new inline function.
13794 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13795 * dojump.c: use it.
13796 * dwarf2out.c: use it.
13799 * expmed.c: use it.
13800 * except.c: use it.
13801 * config/sparc/sparc.c: use it.
13802 * config/i386/i386.c: use it.
13803 * config/rs6000/rs6000.c: use it.
13804 * config/arm/arm.c: use it.
13805 * config/mips/mips.c: use it.
13806 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13808 2006-01-30 Roger Sayle <roger@eyesopen.com>
13810 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13811 argv to the appropriate type.
13813 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13815 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13818 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13821 * config/s390/s390.c (struct machine_function): New flag
13822 decomposed_literal_pool_addresses_ok_p.
13823 (s390_reorg): Set it before final stage of literal pool transforms.
13824 (s390_decompose_address): Only accept displacements of the form
13825 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13827 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13829 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13830 the comparison routine return.
13832 2006-01-30 Michael Matz <matz@suse.de>
13834 * global.c (find_reg): Only evict for global regs.
13835 Take n_refs into account and dump more info.
13837 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13840 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13841 (pragma_trap, pragma_nosave_low_regs): Likewise.
13842 (current_function_anonymous_args): Likewise.
13843 (sh_deferred_function_attributes): New variable.
13844 (sh_deferred_function_attributes_tail): Likewise.
13845 (print_operand): For '@', look up trap_exit attribute.
13846 (calc_live_regs): Look up trapa_handler attribute. For trapa
13847 handlers, save/restore fpscr, but don't do any other
13848 interrupt-specific saves.
13849 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13850 Fix check for partially saved registers to check for SHmedia.
13851 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13852 (sh_output_function_epilogue): Don't clear any of the removed
13854 (sh_insert_attributes): Don't check pragma_interrupt.
13855 Insert deferred attributes. Check that interrupt attribute is
13856 present for other attributes that require its presence.
13857 (sh_attribute_table): Add new attributes trapa_handler and
13859 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13860 Don't check for pragma_interrupt. Don't store argument.
13861 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13862 (sh_deferred_function_attributes): Declare.
13863 (sh_deferred_function_attributes_tail): Likewise.
13864 * sh.md (sp_switch_1): Add operand. Change generator caller.
13865 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13866 (*return_i): Don't use when trap_exit attribute is in effect.
13867 (*return_trapa): New insn pattern.
13868 * sh-c.c: New file.
13869 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13870 setting c_target_objs and cxx_target_objs.
13871 * t-sh: Add rule for sh-c.o.
13873 2006-01-30 Richard Guenther <rguenther@suse.de>
13876 * gimplify.c (gimplify_target_expr): Handle easy cases
13877 without creating a temporary.
13879 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13881 * vec.h (safe_grow): Remove duplicated line.
13883 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13886 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13887 (expand_omp): ... here.
13888 (expand_omp_parallel): Only remove barriers for combined
13889 parallel+workshare constructs.
13891 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13895 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13896 * tree.c (build_qualified_type): Chain the new type to the original
13897 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13898 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13899 (build_pointer_type_for_mode): Only return unqualified types.
13900 (build_reference_type_for_mode): Likewise.
13902 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13904 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13905 * Makefile.in (CXX_COMPAT_WARN): Define.
13906 * configure: Regenerate.
13908 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13911 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13914 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13916 * toplev.c: Fix thinko.
13918 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13919 Marcin Dalecki <martin@dalecki.de>
13921 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13922 (push_srcloc): Use XNEW.
13923 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13925 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13927 * df-core.c (df_set_blocks): Deleted all variable.
13929 2006-01-28 Ian Lance Taylor <ian@airs.com>
13931 * cgraphunit.c (cgraph_assemble_pending_functions): Call
13932 cgraph_output_pending_asms.
13934 2006-01-28 Zack Weinberg <zackw@panix.com>
13936 * c.opt: Add -W(no-)overlength-strings.
13937 * doc/invoke.texi: Document it.
13938 * c-opts.c (c_common_handle_option): -pedantic implies
13939 -Woverlength-strings, if not explicitly disabled already.
13940 (c_common_post_options): -Woverlength-strings defaults to off, and
13941 is always off for C++.
13942 * c-common.c (fix_string_type): Issue warning about strings longer
13943 than is portable only if warn_overlength_strings. Rearrange code
13944 a little for clarity.
13945 * configure.in: Check for -Wno-overlength-strings as well before
13946 enabling -pedantic in stage 1.
13947 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
13948 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
13950 * genconditions.c (write_header, write_one_condition)
13951 (write_conditions, write_writer): Consolidate very long strings
13952 that were broken up to fit in C89 portable limit. Don't use
13953 printf when fputs will do.
13955 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13957 * combine.c (simplify_comparison <AND>): Check
13958 TRULY_NOOP_TRUNCATION before start using a subreg.
13960 * config/mips/mips.md (*branch_zero<mode>,
13961 *branch_zero<mode>_inverted, *branch_equality<mode>,
13962 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13963 Remove mode check from comparisons.
13965 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13967 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13969 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13971 * expmed.c (const_mult_add_overflow_p): Remove.
13972 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13974 * recog.c (validate_replace_rtx_subexp): Remove.
13975 * recog.h: Remove the prototype for
13976 validate_replace_rtx_subexp.
13978 * integrate.h: Remove the prototype for
13979 copy_decl_for_inlining.
13980 * rtl.h: Remove the prototype for mark_constant_function.
13981 * tree-vectorizer.h: Remove the prototype for
13982 vect_strip_conversion.
13984 * modulo-sched.c (create_partial_schedule,
13985 free_partial_schedule, reset_partial_schedule): Make them
13988 * hooks.c (hook_bool_rtx_int_false): Remove.
13989 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13991 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13993 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13994 and -mlong-double-128 are incompatible.
13995 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13996 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13997 (TARGET_LIBGCC2_CFLAGS): Define.
13998 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13999 (TARGET_LIBGCC2_CFLAGS): Same.
14000 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
14002 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14005 * c-typeck.c (build_binary_op): Perform implicit casts of
14006 operands before shortening them.
14008 * cfgloopmanip.c (split_loop_bb): Remove.
14009 * cfgloop.h: Remove the prototype for split_loop_bb.
14011 * cfgloop.c (flow_loop_outside_edge_p): Remove.
14012 * cfgloop.h: Remove the prototype for
14013 flow_loop_outside_edge_p.
14015 * emit-rtl.c (init_virtual_regs): Make it static.
14016 * function.h: Remove the prototype for init_virtual_regs.
14018 * recog.c (peephole2_optimize): Make it static.
14019 * recog.h: Remove the prototype for peephole2_optimize.
14021 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14023 * df-scan.c (df_record_entry_block_defs): Check if
14024 INCOMING_RETURN_ADDR_RTX is defined.
14026 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
14027 Kenneth Zadeck <zadeck@naturalbridge.com>
14029 PR rtl-optimization/24762
14030 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14031 * targhooks.c (hook_void_bitmap): New hook prototype.
14032 * targhoohs.h (hook_void_bitmap): Ditto.
14033 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
14034 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
14035 * target.h (live_on_entry): New function pointer.
14036 * df-scan.c (df_all_hard_regs): Removed.
14037 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
14038 (df_scan_free_internal): Added df->entry_block_defs.
14039 (df_scan_alloc): Ditto.
14040 (df_scan_dump): Ditto.
14041 (df_uses_record): Plumbed flag field properly thru calls.
14042 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
14043 This part fixes PR24762.
14044 (df_bb_refs_record): Added code to make the frame and arg
14045 pointers live in EH blocks.
14046 (df_refs_record): Added call to df_record_entry_block_defs.
14047 (df_record_entry_block_defs): New function.
14048 * df-core.c: Added comments to describe new artifical defs.
14049 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
14050 (entry_block_defs): New field in struct df.
14051 (df_all_hard_regs): Deleted.
14052 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14053 * df-problems.c (df_ru_bb_local_compute_process_def):
14054 Added code to handle artifical defs in the entry to a function.
14055 (df_ru_bb_local_compute): Ditto.
14056 (df_rd_bb_local_compute_process_def): Ditto.
14057 (df_rd_bb_local_compute): Ditto.
14058 (df_lr_bb_local_compute): Ditto.
14059 (df_ur_bb_local_compute): Ditto.
14060 (df_urec_bb_local_compute): Ditto.
14061 (df_chain_create_bb): Ditto.
14062 (df_ur_local_finalize): Removed entry.
14063 (df_urec_init): Ditto.
14064 (df_urec_local_finalize): Ditto.
14065 (df_ri_bb_compute): Added detection of last use of pseudos.
14066 * Makefile.in (df-scan.o): Updated dependencies.
14067 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
14068 * config/mips/mips.c (mips_set_live_on_entry): Added.
14069 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
14071 * dce.c (marked_insn_p): Added code to handle artifical defs.
14073 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14075 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14077 (_mm_cvtsi128_si64): Likewise.
14078 (_mm_cvtsd_si64): Likewise.
14079 (_mm_cvttsd_si64): Likewise.
14080 (_mm_cvtsi64_sd): Likewise.
14081 (_mm_cvtsi64_si128): Likewise.
14082 * config/i386/mmintrin.h (_m_from_int64): Likewise.
14083 (_mm_cvtsi64_m64): Likewise.
14084 (_m_to_int64): Likewise.
14085 (_mm_cvtm64_si64): Likewise.
14086 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
14087 (_mm_cvttss_si64): Likewise.
14088 (_mm_cvtsi64_ss): Likewise.
14089 (_mm_cvtss_f32): Likewise.
14091 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
14093 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
14094 for pragma redefine_extname.
14096 2006-01-27 Jakub Jelinek <jakub@redhat.com>
14099 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
14100 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
14101 -mno-minimal-toc to previous content.
14102 (bispecs): Remove goal.
14103 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14104 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
14105 compatibility aliases on powerpc-*-*gnu*.
14106 * config/rs6000/libgcc-ppc-glibc.ver: New file.
14107 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
14108 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
14109 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
14110 (ldblspecs): New goal.
14111 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
14112 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
14114 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
14115 L_sf_to_tf or L_df_to_tf is defined.
14117 2006-01-27 David Edelsohn <edelsohn@gnu.org>
14118 Alan Modra <amodra@bigpond.net.au>
14121 * config/rs6000/linux.h (POWERPC_LINUX): Define.
14122 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
14123 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14124 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14125 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14126 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14127 (rs6000_override_options): Initialize rs6000_ieeequad.
14128 Initialize TFmode format to ibm_extended_format if not
14130 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14132 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14133 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14134 (function_arg_advance): IBM long double passed in two FPRs, not
14136 (function_arg): IBM long double passed in FPRs.
14137 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14138 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14139 Only multireg GPR aligned.
14140 (rs6000_init_libfuncs): Enable IBM long double functions if not
14142 (rs6000_generate_compare): Use IBM long double compare if not
14144 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14145 (TARGET_IEEEQUAD): Define.
14146 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
14147 not TARGET_IEEEQUAD.
14148 * config/rs6000/rs6000.md: Enable TFmode patterns if
14150 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
14151 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14152 and -mlong-double-128 are incompatible.
14153 * doc/invoke.texi (-mabi): Collect options together. Add
14154 ibmlongdouble and ieeelongdouble.
14156 2006-01-27 Richard Sandiford <richard@codesourcery.com>
14158 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14160 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14161 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14162 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14163 * rtl.h (rtunion_def): Remove rt_ptr.
14165 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14166 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14167 * config/i386/winnt.c (i386_pe_mark_dllexport)
14168 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14170 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14172 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14174 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14178 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14179 pthread_key_delete. From John David Anglin. gthrw-ify
14180 pthread_getunique_np only if it it's not a macro. Delete
14182 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14183 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14184 __gthread_objc_condition_signal, __gthread_key_delete): Add
14185 "__attribute__ ((__unused__))" to unused arguments.
14186 (__gthread_recursive_mutex_init_function): Add missing return.
14187 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14188 gthr-posix95.h: Use macro-based approach for name redirection
14189 on targets missing weakref.
14191 2006-01-26 Zack Weinberg <zackw@panix.com>
14193 * genconditions.c (write_header): In generated code, #ifdef out
14194 all includes and fake declarations, except includes of bconfig.h
14195 and system.h, unless GCC_VERSION >= 3001. Do not include
14196 gensupport.h in any case.
14197 (write_conditions): Generate a definition of struct c_test. Add
14198 a comment to the generated #endif.
14199 (write_one_condition): Escape backslashes in string too.
14200 (write_writer): Generated code must escape backslashes and quote
14201 marks (but not newlines) in the strings it writes.
14202 * Makefile.in (build/gencondmd.o): Update dependencies.
14204 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14207 * Makefile.in (insn-automata.o): Add header file dependencies.
14208 * genautomata.c: Add includes.
14210 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14213 * Makefile.in (insn-automata.o): Add -Wno-error flag.
14215 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14217 * configure.ac: Expect target tools paths to be passed from the toplevel
14218 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
14220 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14222 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14225 * c.opt (Wpointer-sign): Init to -1.
14226 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14227 OPT_pedantic, to 0 otherwise.
14228 * doc/invoke.texi: Update.
14230 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14232 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14233 constants provided by 80387 instructions in the destination mode.
14235 2006-01-26 Richard Guenther <rguenther@suse.de>
14236 Andrew Pinski <pinskia@physics.uc.edu>
14239 partial PR tree-opt/17064
14240 * tree-ssa-structalias.c (intra_create_variable_infos):
14241 Create heap variables for incoming parameters if
14242 flag_argument_noalias > 1.
14243 (find_what_p_points_to): Look through default defs of
14246 2006-01-26 Jeff Law <law@redhat.com>
14249 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14250 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14251 within the VR_RANGE, use the VR_RANGE as the result, not the
14253 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14254 bounds for the type.
14256 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14258 * tree-ssa-alias.c (maybe_create_global_var): Change
14259 subvar walking to an assertion that we don't have subvar'd variables.
14261 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14264 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14265 Use a new variable, inner. PARM_DECLs are always non-weak.
14267 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14269 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14270 --disable-checking.
14272 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14274 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14276 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14278 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14279 (smax_insn, smin_insn, smax_0, smin_0): New.
14281 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14284 * config/cris/cris.c (cris_order_for_addsi3): New function.
14285 * config/cris/cris-protos.h: Prototype it.
14286 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14287 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14288 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14289 (split for "op.S1 [rx=rx+i],ry (swapped)")
14290 (split for "op(s|u).S1 [rx=rx+i],ry")
14291 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14292 Apply cris_order_for_addsi3 when generating addsi3 insns.
14294 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14296 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14297 (TREE_BLOCK): Add call to EXPR_CHECK.
14299 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14302 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14303 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14304 (dump_omp_clauses): ... here.
14305 (dump_generic_node): Handle OMP_CLAUSE.
14306 * tree.c (omp_clause_num_ops): New.
14307 (omp_clause_code_name): New.
14308 (tree_code_size): Handle OMP_CLAUSE.
14309 (tree_size): Likewise.
14310 (make_node): Document handling of OMP_CLAUSE.
14311 (tree_node_structure): Handle OMP_CLAUSE.
14312 (omp_clause_check_failed): New.
14313 (omp_clause_range_check_failed): New.
14314 (omp_clause_operand_check_failed): New.
14315 (build_omp_clause): New.
14316 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14317 * tree.h (enum omp_clause_code): Declare.
14318 (OMP_CLAUSE_SUBCODE_CHECK): Define.
14319 (OMP_CLAUSE_RANGE_CHECK): Define.
14320 (OMP_CLAUSE_ELT_CHECK): Define.
14321 (omp_clause_check_failed): Declare.
14322 (omp_clause_operand_check_failed): Declare.
14323 (omp_clause_range_check_failed): Declare.
14324 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14325 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14326 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14327 (OMP_CLAUSE_LASTPRIVATE): Likewise.
14328 (OMP_CLAUSE_IF_EXPR): Likewise.
14329 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14330 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14331 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14332 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14333 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14334 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14335 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14336 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14337 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14338 (OMP_CLAUSE_CODE): Define.
14339 (OMP_CLAUSE_SET_CODE): Define.
14340 (OMP_CLAUSE_CODE): Define.
14341 (OMP_CLAUSE_OPERAND): Define.
14342 (struct tree_omp_clause): Declare.
14343 (union tree_node): Add field 'omp_clause'.
14344 * treestruct.def (TS_OMP_CLAUSE): Define.
14345 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14346 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14347 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14348 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14349 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14350 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14351 (OMP_CLAUSE): Define.
14352 * print-tree.c (print_node): Handle OMP_CLAUSE.
14353 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14354 * c-typeck.c: Likewise.
14355 * gimplify.c: Likewise.
14356 * c-omp.c: Likewise.
14357 * tree-nested.c: Likewise.
14358 * tree-inline.c: Likewise.
14359 * c-parser.c: Likewise.
14360 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14363 2006-01-25 Roger Sayle <roger@eyesopen.com>
14365 PR rtl-optimization/25703
14366 * combine.c (try_combine): Handle zero_extract and strict_low_part
14367 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14369 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14371 * global.c: Fix comment typos.
14373 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14376 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14377 Use output_addr_const instead of assemble_name.
14379 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14381 * Makefile.in (sched-vis.o): Update dependencies.
14382 * haifa-sched.c (sched_finish): Clear current_sched_info.
14383 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14384 (dump_flow_info): Call it.
14385 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14387 * basic-block.h (dump_bb_info): Declare.
14388 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14389 option, and apply options only for dump files whose TDF_RTL,
14390 TDF_TREE, or TDF_IPA bits match.
14391 * rtl.h: Declare new functions exported from sched-vis.c.
14392 * sched-vis.c: Enable also if scheduling is not used.
14393 (print_value): Print the mode of registers if not inside scheduling.
14394 (print_insn): Make it work outside the scheduler. Beautify the output
14396 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14398 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14400 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14401 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14402 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14403 depending on the value of CONSTANT_POOL_ADDRESS_P.
14404 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14406 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14407 rather than SYMBOL_REF_DECL.
14408 (rtx_constant_pool): Remove const_rtx_sym_htab.
14409 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14410 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14411 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14412 Remove handling of const_rtx_sym_htab.
14413 (find_pool_constant): Delete.
14414 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14415 rather than find_pool_constant.
14416 (get_pool_constant_for_function): Delete.
14417 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14418 find_pool_constant.
14419 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14420 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14421 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14422 (SYMBOL_REF_CONSTANT): New macro.
14423 (get_pool_constant_for_function): Delete.
14424 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14425 rather than SYMBOL_REF_DECL.
14426 (i386_pe_mark_dllimport): Likewise.
14427 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14428 rather than SYMBOL_REF_DECL.
14429 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14430 (machopic_indirect_call_target): Likewise.
14432 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14434 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14436 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14438 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14440 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14442 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14444 2006-01-24 David Daney <ddaney@avtrex.com>
14447 * configure.ac (enable_tls): New enable option.
14448 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14449 * configure: Regenerate.
14450 * doc/install.texi (--enable-tls): Document new option.
14451 (--disable-tls): Ditto.
14453 2006-01-24 Richard Henderson <rth@redehat.com>
14455 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14456 * alias.c (true_dependence): Respect it.
14457 (canon_true_dependence, write_dependence_p): Likewise.
14458 * builtins.c (get_builtin_sync_mem): Set it.
14460 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14462 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14465 2006-01-24 DJ Delorie <dj@redhat.com>
14467 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14468 for storing constants in single-bit bitfields.
14470 2006-01-25 Ben Elliston <bje@au.ibm.com>
14472 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14474 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14477 * tree-ssa-pre.c (phi_translate): Return NULL
14478 for AGGREGATE_TYPE's.
14480 2006-01-24 Zack Weinberg <zackw@panix.com>
14482 * genautomata.c (process_state_for_insn_equiv_partition):
14483 Use xcalloc for insn_arcs_array.
14484 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14485 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14487 2006-01-24 Richard Henderson <rth@redhat.com>
14489 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14490 update all callers.
14492 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14494 PR rtl-optimization/25890
14495 PR rtl-optimization/25905
14496 * combine.c (expand_compound_operation, expand_field_assignment):
14497 Fail if the bitfield's final position is out of bounds.
14499 2006-01-24 Ian Lance Taylor <ian@airs.com>
14501 PR middle-end/25930
14502 * cgraphunit.c (cgraph_output_in_order): Don't clear
14503 cgraph_asm_nodes until after asm strings have been output.
14505 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14507 * fix-header.c (read_scan_file): Add new parameter imultilib when
14508 calling register_include_chains.
14510 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14512 * omp-low.c: Update documentation.
14514 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14515 Daniel Berlin <dberlin@dberlin.org>
14519 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14520 return from the function.
14522 2006-01-22 Zack Weinberg <zackw@panix.com>
14524 * rtl.def (match_code): Add second argument.
14525 * genpreds.c (write_extract_subexp): New function.
14526 (write_match_code): Add path argument. Use write_extract_subexp.
14527 (write_predicate_expr): Pass path to write_match_code.
14528 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14529 not perform a mode test.
14530 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14531 a subexpression does not constrain the top-level code set.
14532 * read-rtl.c (read_rtx_variadic): New function.
14533 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14534 * doc/md.texi: Document new notation.
14535 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14536 (cmpsi_operand): ... here, using new notation.
14538 2006-01-22 Zack Weinberg <zackw@panix.com>
14540 * varray.c: Remove GENERATOR_FILE #ifdefs.
14542 2006-01-22 Zack Weinberg <zackw@panix.com>
14544 * genautomata.c (output_reserved_units_table): Emit nothing if
14545 description->query_units_num is zero. Remove extra blank line.
14546 (output_cpu_unit_reservation_p): Short circuit
14547 if description->query_units_num is zero.
14549 2006-01-22 Zack Weinberg <zackw@panix.com>
14551 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14552 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14553 nor any of the random handful of variables that used to be necessary
14554 when this program was linked with rtlanal.o. Prune set of forward
14555 function declarations.
14556 (struct attr_desc): Remove static_p field.
14557 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14558 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14559 (attr_string): Do not read the character one past the length of
14561 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14562 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14563 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14564 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14565 (make_automaton_attrs): New.
14566 (main): Do not call into genautomata. Call local gen_bypass
14567 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14568 Remove special case for insn_alts.
14569 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14570 varray.h (leftover from previous change). Prune set of forward
14571 function declarations. Remove state_alts fields from all
14572 structures. Remove state_alts_table from struct automaton.
14573 Make everything except main static. Do not maintain num_dfa_decls.
14574 Do not maintain state_alts fields of various structures.
14575 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14576 (add_arc): Remove state_alts argument. All callers updated.
14577 (output_reserved_units_table): Emit #ifdef here...
14578 (output_tables): ...not here. Don't generate state_alts tables.
14579 (expand_automata): Don't generate attributes.
14580 (write_automata): Don't generate state_alts functions.
14581 (main): New function.
14582 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14583 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14584 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14585 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14586 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14587 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14588 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14589 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14591 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14592 * genattrtab.h: Delete file.
14593 * Makefile.in (OBJS-common): Add insn-automata.o.
14594 (insn-automata.o): New rule.
14595 (simple_generated_c): Add insn-automata.c.
14596 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14597 (genprogmd): Add automata.
14598 (build/genattrtab): Needs no extra objects nor libraries.
14599 (build/genautomata): Needs build/vec.o and -lm.
14601 2006-01-22 Zack Weinberg <zackw@panix.com>
14603 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14604 (output_dfa_max_issue_rate, locked_states_num): Delete.
14605 (struct automaton): Add locked_states field.
14606 (output_dead_lock_vect): Save number of locked states in
14607 automaton->locked_states. If it is zero, don't print anything.
14608 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14609 (output_internal_dead_lock_func): Only test the dead_lock_vect
14610 for automata that have locked states.
14611 (output_statistics): Always print the number of locked states for
14612 each automaton. Calculate total number of locked states here.
14613 (write_automata): Don't call output_dfa_max_issue_rate.
14614 * genattrtab.c: Define length_unit_log as a const variable.
14615 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14616 max_insn_queue_index const.
14617 * final.c (length_unit_log): Declare const.
14618 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14620 2006-01-22 Zack Weinberg <zackw@panix.com>
14622 * genautomata.c: Include vec.h, not varray.h.
14623 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14624 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14625 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14626 VEC_* macros operating on appropriately typed vectors, or to
14627 malloced arrays when the size is known in advance. Const-ify
14628 many char* variables and function arguments. No functional changes.
14629 * Makefile.in (build/varray.o): Delete rule.
14630 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14631 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14633 2006-01-22 Zack Weinberg <zackw@panix.com>
14635 * gensupport.c: Define get_insn_name and record_insn_name here.
14636 (read_md_rtx): Call record_insn_name as appropriate.
14637 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14638 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14639 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14641 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14642 (BUILD_VARRAY): Delete.
14643 (genprognormal): Rename genprogmd. Fold in all programs from
14644 genprognoprint; also attrtab.
14645 (build/genattrtab): Just mention genautomata.o and varray.o.
14646 Reorganize a bit, add comments to make the categories clearer.
14648 2006-01-22 Zack Weinberg <zackw@panix.com>
14650 * genconditions.c (condition_table, add_condition): Delete.
14651 (write_conditions): Don't emit n_insn_conditions nor
14652 insn_elision_unavailable. Issue the gcc version #ifdef here,
14653 inside the table, with no #else clause ...
14654 (write_header): ...not here.
14655 (write_writer): New function.
14656 (main): Don't initialize condition_table. Use add_c_test.
14658 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14659 files on the command line.
14660 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14661 Return -1 if there is no entry in the table, don't abort.
14662 (add_c_test, traverse_c_tests): New functions.
14663 * gensupport.h (insn_elision_unavailable, insn_conditions)
14664 (n_insn_conditions): Delete declarations.
14665 (add_c_test, traverse_c_tests): Declare.
14666 * read-rtl.c: Include gensupport.h.
14667 (read_conditions): New function.
14668 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14669 (read_rtx_1): If we get EOF when we were looking for an initial
14670 open paren, return 0. Call read_conditions when appropriate.
14671 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14672 dummy-conditions.o. Eliminate references to insn-conditions.o,
14673 or change them to build/gencondmd.o, as appropriate. Remove
14674 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14675 from $(simple_generated_c). For all files remaining in those
14676 two lists, add insn-conditions.md to the generator command line.
14677 Give insn-constants.h/s-constants their own rules. Add rules
14678 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14679 (build/read-rtl.o): Depend on gensupport.h.
14680 (genprognormal): Include preds.
14681 (genprogearly): Rename genprognoprint; only difference is now that
14682 they don't link with $(BUILD_PRINT).
14683 * dummy-conditions.c: Delete.
14685 2006-01-22 Zack Weinberg <zackw@panix.com>
14687 * genextract.c: Don't include insn-config.h. Do include vec.h.
14688 Declare vectors of int, char, and locstr.
14689 (locstr): New typedef.
14690 (struct extraction): Make all array fields into bare pointers.
14691 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14692 (insn_code_number): Delete.
14693 (accum_extract): New struct.
14694 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14695 (gen_insn): Take insn_code_number as an argument. Use an
14696 accum_extract structure instead of loading data directly into
14697 a struct extraction, and having to know how big it might get.
14698 (walk_rtx): Operate entirely on an accum_extract structure.
14699 (print_path): Avoid unnecessary use of printf.
14700 (print_header): New function, split out of main. Distinguish
14701 more carefully between an unrecognizable insn and an insn that
14702 has the code number of a define_expand.
14703 (main): Pass insn_code_number to gen_insn. Call print_header
14704 only after parsing. Avoid unnecessary use of printf.
14705 * Makefile.in (build/vec.o): New rule.
14706 (build/genextract): Depend on build/vec.o.
14707 (build/genextract.o): Don't depend on insn-config.h.
14709 2006-01-22 Zack Weinberg <zackw@panix.com>
14711 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14712 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14713 practical. Eliminate per-generator-program link rules.
14715 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14717 PR middle-end/24437
14718 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14719 with a call expr to ...
14720 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14722 2006-01-23 Richard Guenther <rguenther@suse.de>
14724 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14725 before make_edge with conditional EDGE_TRUE_VALUE.
14727 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14728 Jan Hubicka <jh@suse.cz>
14729 Richard Guenther <rguenther@suse.de>
14731 PR rtl-optimization/25654
14732 * cfgexpand.c (aggregate_contains_union_type): New function.
14733 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14734 for structure variables that contain a union type.
14736 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14738 * gengtype.c (new_structure): Return the structure.
14739 (create_option): Add an extra "next" argument.
14740 (create_field): New function.
14741 (adjust_field_rtx_def): Use create_option and create_field.
14742 Remove a now-unnecessary call to find_structure.
14743 (adjust_field_tree_def): Likewise.
14744 (note_yacc_type): Remove an unnecessary call to find_structure.
14745 * gengtype.h (new_structure): Return the structure.
14746 (create_option): Add an extra argument.
14747 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14748 (option): Adjust calls to create_option.
14750 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14752 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14754 2006-01-22 Paul Brook <paul@codesourcery.com>
14755 Peter Barada <peter@the-baradas.com>
14757 * config/m68k/m68k.md: Add Coldfire FPU support.
14758 Define FP mode macro and associated attributes.
14759 Use it for float mode patterns.
14760 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14761 (LIBCALL_VALUE): Use m68k_libcall_value.
14762 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14763 (m68k_function_value): Ditto.
14764 (emit_move_sequence): Ditto.
14765 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14766 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14767 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14768 (MULTILIB_EXCEPTIONS): Ditto.
14769 * config/m68k/m68k.opt: Add mcfv4e.
14770 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14771 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14772 (m68k_output_function_prologue): Save ColdFire FPU registers.
14773 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14774 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14775 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14776 ColdFire FPU registers.
14777 (m68k_libcall_value, m68k_function_value): New functions.
14778 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14779 (LIBCALL_VALUE): Use m68k_libcall_value.
14780 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14781 (MASK_COLDFIRE): Add MASK_CFV4E.
14782 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14783 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14784 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14785 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14786 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14787 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14788 * doc/invoke.tex: Document -mcfv4e on m68k.
14790 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14792 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14795 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14798 * c-opts.c (c_common_handle_option): Don't include
14799 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14800 * doc/invoke.texi (C++ Dialect Options): Document that
14801 -Wnon-virtual-dtor is no longer included in -Wall.
14803 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14805 * gcov.c (print_version), gcov-dump.c (print_version),
14806 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14809 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14811 * df-scan.c (problem_SCAN): Added NULL reset function.
14812 (df_scan_reset_blocks): Added code to call reset block function
14813 (df_bb_refs_delete) Fixed comment.
14814 (df_insn_refs_delete): Made tolerant of deleting non existent info
14815 for dataflow problems that need to be reset.
14816 * df-core.c (df_set_blocks): Ditto.
14817 * df.h (struct df_problem): Added reset_fun.
14818 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14819 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14820 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14821 functions to clear out all references to def-use or use-def chains.
14823 2006-01-21 Ben Elliston <bje@au.ibm.com>
14825 * varasm.c (assemble_real): Initialise data array.
14827 2006-01-20 Paul Brook <paul@codesourcery.com>
14829 Merge from csl-arm-branch.
14830 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14831 * config/arm/arm.md (movdi): Force operands[1] to a register
14832 if we have a non-register source.
14833 (*arm_movdi, *movdf_soft_insn): Require that one of the
14834 operands be a register.
14835 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14836 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14838 2006-01-20 DJ Delorie <dj@redhat.com>
14840 * varasm.c (initializer_constant_valid_p): Allow pointers
14841 initialized from integer constants of lesser precision.
14842 (output_constant): Allow non-int-sized pointer modes to be
14843 initialized from integer constants.
14845 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14848 * cppdefault.h (struct default_include): Add multilib flag.
14849 * cppdefault.c (cpp_include_defaults): Set it.
14850 * c.opt (-imultilib): New option.
14851 * c-opts.c (imultilib): New.
14852 (c_common_handle_option): Handle -imultilib.
14853 (c_common_post_options): Likewise.
14854 * c-incpath.c (add_standard_paths, register_include_chains):
14856 * c-incpath.h (register_include_chains): Add extra parameter.
14857 * gcc.c (do_spec_1): Generate -imultilib option.
14858 (The Specs Language): Update %I description.
14859 (process_command): Update copyright notice.
14860 * doc/cppopts.texi (-imultilib): Document.
14861 * doc/invoke.texi (-imultilib): Include in option summary.
14862 (%I): Update specs documentation.
14864 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14866 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14868 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14870 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14873 2006-01-20 Richard Guenther <rguenther@suse.de>
14874 Steven Bosscher <stevenb.gcc@gmail.com>
14876 PR rtl-optimization/24626
14877 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14878 EDGE_TRUE_VALUE if in RTL mode.
14881 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14882 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14884 2006-01-20 Dirk Mueller <dmueller@suse.com>
14887 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14888 instead of a special NOP marker.
14889 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14890 NOP marker handling.
14891 * c-common.h (empty_body_warning): Add forward declaration.
14892 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14893 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14895 2006-01-20 Paul Brook <paul@codesourcery.com>
14897 * Makefile.in (lang_checks): Keep going if mkdir fails.
14899 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14901 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14902 be able to clean out basic block when not necessary.
14903 (df_scan_free): Fixed to properly delete information if df is
14904 unused before calling df_finish.
14905 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14906 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14908 (df_bb_refs_delete): New function.
14909 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14910 * df-core.c (df_set_blocks): Added code to properly clean out
14911 unused blocks if they are not part of the blocks to consider.
14912 Added additional null check.
14913 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14914 be able to clean out basic block when not necessary
14915 * df.h (df_free_bb_function): Ditto.
14916 (df_bb_refs_delete): New function.
14917 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14918 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14919 basic block parameter to be able to clean out basic block when not
14921 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14922 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14923 Fixed to properly delete information if df is unused before
14926 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14928 PR rtl-optimization/25799
14929 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14930 Corrected confluence operator to remove bits from op2 before oring
14931 with op1 rather than removing bits from op1.
14932 (df_ru_transfer_function): Corrected test on wrong bitmap which
14933 caused infinite loop. Both of these problems were introduced in
14934 the dataflow rewrite.
14936 2006-01-19 DJ Delorie <dj@redhat.com>
14938 * reload1.c (find_reload_regs): Note the details of reload
14939 failures in the dump file.
14940 (spill_failure): Likewise.
14942 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14944 * loop-iv.c: Include df.h and hashtab.h.
14945 (enum iv_grd_result): New enum.
14946 (DF_REF_IV, DF_REF_IV_SET): New macros.
14947 (struct biv_entry): New.
14948 (df, bivs): New global variables.
14949 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
14950 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
14952 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
14953 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
14954 analyzed_for_bivness_p, record_biv): New functions.
14955 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14956 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14957 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14959 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14961 (iv_number_of_iterations): Use new interface to iv analysis.
14962 * loop-unroll.c: Do not include varray.h.
14963 (analyze_iv_to_split_insn): Use new interface to iv
14965 * loop-unswitch.c (may_unswitch_on): Ditto.
14966 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14968 (df_bb_modify): Realloc tables to the new index.
14969 (df_find_use): New function.
14970 * df.h (df_find_use): Declare.
14971 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14973 * cfgloop.h (struct rtx_iv): Remove analysed field.
14974 (iv_get_reaching_def): Removed.
14975 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14976 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14977 (loop-iv.o): Add df.h and hashtab.h dependency.
14978 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14980 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14983 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14985 (__floatundisf, __floatundidf): Likewise.
14986 * libgcc2.h (IS_IBM_EXTENDED): Define.
14988 2006-01-19 DJ Delorie <dj@redhat.com>
14990 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14992 2006-01-19 Paul Brook <paul@codesourcery.com>
14994 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14995 as nothrow when unwinding tables are disabled.
14997 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15000 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
15001 of bit-field" when in system header.
15003 2006-01-19 DJ Delorie <dj@redhat.com>
15005 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
15006 the 16 bit shift limit of the m16c.
15008 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
15011 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
15012 * config/i386/i386.c (output_set_got): Output the label if we have one
15013 for the TARGET_DEEP_BRANCH_PREDICTION case.
15015 2006-01-19 Jan Hubicka <jh@suse.cz>
15016 H.J. Lu <hongjiu.lu@intel.com>
15017 Evandro Menezes <evandro.menezes@amd.com>
15019 * invoke.texi (generic): Document
15021 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
15022 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
15023 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
15024 (x86_use_incdec, x86_pad_returns): New variables
15025 (TARGET_CPU_DEFAULT_generic): New constant
15026 (TARGET_CPU_DEFAULT_NAMES): Add generic.
15027 (enum processor_type): Add generic32 and generic64.
15028 * i386.md (cpu attribute): Add generic32/generic64
15029 (movhi splitter): Behave sanely when both partial_reg_dependency and
15030 partial_reg_stall are set.
15031 (K8 splitters): Enable for generic as well.
15032 * predicates.md (incdec_operand): Use TARGET_INCDEC
15033 (aligned_operand): Avoid memory mismatch stalls.
15034 * athlon.md: Enable for generic64, new patterns for 128bit moves.
15035 * ppro.md: Enable for generic32
15036 * i386.c (generic64_cost, generic32_cost): New.
15037 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
15038 (x86_use_leave): Enable for generic64. (x86_use_sahf,
15039 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
15040 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
15041 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
15042 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
15043 x86_partial_reg_dependency, x86_memory_mismatch_stall,
15044 x86_accumulate_outgoing_args, x86_prologue_using_move,
15045 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
15046 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
15047 Enable for generic.
15048 (x86_use_incdec, x86_pad_returns): New.
15049 (override_options): Add generic32 and generic64, translate "generic"
15050 to generic32/generic64 and "i686" to "generic32", refuse
15051 "generic32"/"generic64" as arch target.
15052 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
15053 (ix86_reorg): Honor PAD_RETURNS.
15055 2006-01-19 Diego Novillo <dnovillo@redhat.com>
15057 * tree-pretty-print.c (dump_generic_node): Handle
15058 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15059 * cgraph.c (cgraph_expand_queue): Rename from
15060 cgraph_analyze_queue. Update all users.
15061 * cgraphunit.c (cgraph_assemble_pending_functions): Process
15062 cgraph_expand_queue.
15063 (cgraph_expand_all_functions): Likewise.
15064 (cgraph_finalize_pending_functions): Remove. Update callers.
15066 * tree.h (OMP_DIRECTIVE_P): Define.
15067 (OMP_PARALLEL_FN): Define.
15068 (OMP_PARALLEL_DATA_ARG): Define.
15069 (OMP_SECTIONS_SECTIONS): Define.
15070 * tree-pass.h (pass_expand_omp): Declare.
15071 * omp-low.c (struct omp_region): Declare.
15072 (struct omp_context): Remove fields 'parallel_type',
15073 'parallel_start_ix' and 'parallel_start_additional_args'.
15075 (struct omp_for_data): Rename from struct expand_omp_for_data.
15076 (omp_regions): New static variable.
15077 (root_omp_region): New static variable.
15078 (find_omp_clause): Make static.
15079 (is_in_combined_parallel_ctx): Remove.
15080 (is_combined_parallel): New.
15081 (extract_omp_for_data): Move earlier in the file.
15082 (workshare_safe_to_combine_p): New.
15083 (get_ws_args_for): New.
15084 (determine_parallel_type): Move earlier in the file.
15085 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
15087 (omp_copy_decl): Likewise.
15088 (create_omp_child_function): Likewise.
15089 (lookup_omp_region): New.
15090 (dump_omp_region): New.
15091 (debug_omp_region): New.
15092 (debug_all_omp_regions): New.
15093 (new_omp_region): New.
15094 (scan_omp_parallel): If parallel_nesting_level > 1, the
15095 directive is nested within another parallel directive.
15096 Set OMP_PARALLEL_FN.
15097 (scan_omp_for): Do not try to handle combined parallel+for
15099 Remove FIXME comment.
15100 (scan_omp_nested): Remove.
15101 (scan_omp_1): Do not call scan_omp_nested when
15102 parallel_nesting_level is > 1.
15103 Do not change the DECL_CONTEXT of local variables found.
15104 (lookup_decl_in_outer_ctx): New.
15105 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
15106 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
15107 (lower_reduction_clauses): Rename from expand_reduction_clauses.
15108 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
15109 If CTX is nested, lookup VAR in the outer context when
15110 building copy assignment.
15111 (lower_send_clauses): Rename from expand_send_clauses.
15112 If CTX is nested, lookup VAR in the outer context when
15113 building copy assignments.
15114 (lower_send_shared_vars): Rename from expand_send_shared_vars.
15115 If CTX is nested, lookup VAR in the outer context when
15116 building copy assignments.
15117 (expand_parallel_call): Rename from build_parallel_call.
15118 Handle combined parallel+workshare cases.
15119 Re-implement to emit code into the CFG.
15121 (expand_omp_parallel): Re-implement to emit code into the CFG.
15122 Call move_sese_region_to_fn to outline the sub-graph
15123 containing the parallel region.
15124 (expand_omp_for_1): Remove.
15125 (expand_omp_for_generic): Re-implement to emit code into the
15127 (expand_omp_for_static_nochunk): Likewise.
15128 (expand_omp_for_static_chunk): Likewise.
15129 (expand_omp_for): Likewise.
15130 (expand_omp_sections): Likewise.
15131 (remove_exit_barriers): New.
15132 (expand_omp_synch): New.
15134 (build_omp_regions_1): New.
15135 (build_omp_regions): New.
15136 (execute_expand_omp): New.
15137 (gate_expand_omp): New.
15138 (pass_expand_omp): Define.
15139 (lower_omp_sections): Rename from expand_omp_sections.
15140 Set OMP_SECTIONS_SECTIONS.
15141 (lower_omp_single_simple): Rename from expand_omp_single_simple.
15142 (lower_omp_single_copy): Rename from expand_omp_single_copy.
15143 (lower_omp_single): Rename from expand_omp_simple.
15144 (lower_omp_master): Rename from expand_omp_master.
15145 (lower_omp_ordered): Rename from expand_omp_ordered.
15146 (lower_omp_critical): Rename from expand_omp_critical.
15147 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
15148 (lower_omp_for): Re-implement.
15149 (lower_omp_parallel): Re-implement.
15150 (lower_regimplify): Rename from expand_regimplify.
15151 (lower_omp_1): Rename from expand_omp_1.
15152 If there are syntax errors in the program, replace every
15153 OpenMP directive with NOP.
15154 Call lower_omp_* instead of expand_omp_*.
15155 (lower_omp): Rename from expand_omp.
15157 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15158 * tree-gimple.h (enum omp_parallel_type): Remove.
15159 (gimple_boolify): Declare extern.
15160 (find_omp_clause, determine_parallel_type): Remove.
15162 * gimple-low.c (lower_omp_directive): New.
15163 (lower_stmt): Call it.
15164 (record_vars_into): Move from ...
15165 (record_vars): ... here.
15166 Call record_vars_into with current_function_decl.
15168 * gimplify.c (struct gimplify_ctx): Remove fields
15169 combined_pre_p and combined_ctxp. Update users.
15170 (get_formal_tmp_var): Add documentation.
15171 (gimple_boolify): Make extern.
15172 (gimplify_expr_in_ctx): Remove. Update callers.
15173 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15174 will always be a BIND_EXPR.
15175 (gimplify_expr): Handle OMP_RETURN_EXPR.
15176 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15177 (OMP_PARALLEL): Add 3 operands.
15178 (OMP_SECTIONS): Add 1 operand.
15179 (OMP_RETURN_EXPR): Define.
15181 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15182 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15183 * tree-iterator.c (alloc_stmt_list): Assert that we are not
15184 creating a circular free list.
15185 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15187 * tree-flow.h (move_sese_region_to_fn): Declare.
15188 (record_vars_into): Declare.
15189 * tree-cfg.c (make_omp_sections_edges): New.
15190 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15191 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15192 OMP_SECTIONS and OMP_SECTION.
15193 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15194 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15195 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15196 (gather_blocks_in_sese_region): New.
15197 (struct move_stmt_d): Declare.
15198 (move_stmt_r): New.
15199 (move_block_to_fn): New.
15200 (move_sese_region_to_fn): New.
15202 * passes.c (init_optimization_passes): Schedule
15203 pass_expand_omp after pass_init_datastructures.
15205 * tree-ssa-operands.c (get_expr_operands): Handle
15206 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15207 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15209 2006-01-19 Jeff Law <law@redhat.com>
15211 * tree-vrp.c (extract_range_from_assert): Refine the result range
15212 if the variable referenced by the ASSERT_EXPR has a range and
15213 either the tentative result range or the previous range is a
15216 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15218 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15220 2006-01-19 Jan Hubicka <jh@suse.cz>
15222 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15224 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
15226 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15227 (expand_compound_operation, expand_field_assignment): Fail if the
15228 bit lengths of an extract operation are out of range.
15229 (make_extraction): Compute wanted_inner_mode based on the position
15230 and length of the extraction. Make it extraction_mode for non-constant
15231 positions, and do not modify offset in that case. When generating a
15232 new MEM, use a mode that can hold the extraction while keeping correct
15233 alignment. Remove code that supported MEMs wrapped by USEs.
15234 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15236 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
15238 * config/s390/s390.md ("Y", "y"): New mode attribute.
15239 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15240 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15241 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15242 "*addsi3_imm_cc", "*addsi3_carry1_cc",
15243 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15244 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15245 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15246 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15247 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15248 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15249 "addsi3", "subsi3"): Insn patterns removed.
15250 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15251 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15252 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15253 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15254 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15255 "*sub<mode>3_cconly2"): New insn patterns.
15256 ("addsi3", "subsi3"): New expanders.
15258 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15260 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15261 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15262 existing STMT_VINFO_VECTYPE if available.
15263 (vect_mark_relevant): Add special handling for stmts that are
15264 marked as STMT_VINFO_IN_PATTERN_P.
15265 (vect_analyze_loop): Call vect_pattern_recog.
15266 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15267 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15269 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15270 (vect_recog_func_ptr): New function-pointer type.
15271 * tree-vect-patterns.c: New file.
15272 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15273 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15274 (vect_pattern_recog_1): New functions.
15275 (vect_pattern_recog_funcs): New array of function pointers.
15277 * tree-vectorizer.h (ternary_op): New enum value.
15278 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15279 declaration. Revised documentation. Removed redundant dump prints.
15280 Removed redundant argument. Added support for reduction patterns.
15281 (vectorizable_reduction): Added support for reduction patterns.
15282 (vect_transform_stmt): Added support for patterns.
15284 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15285 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15286 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15287 (expand_widen_pattern_expr): New function.
15288 (init_optabs): Initialize new optabs udot_prod_optab,
15290 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15291 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15292 (expand_widen_pattern_expr): New function declaration.
15293 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15295 * tree-inline.c (estimate_num_insns_1): Added cases for new
15296 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15297 * tree-pretty-print.c (dump_generic_node): Likewise.
15298 (op_prio): Likewise.
15299 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15300 * tree-ssa-operands.c (get_expr_operands): Added case for
15302 * tree-vect-patterns.c (widened_name_p): New function.
15303 (vect_recog_dot_prod_pattern): Added function implementation.
15304 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15305 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15306 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15307 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15309 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15310 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15311 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15312 (init_optabs): Initialize new optabs widen_ssum_optab,
15314 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15315 (widen_ssum_optab, widen_usum_optab): Define new optabs.
15316 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15317 use instead of type of def.
15318 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15319 function implementation.
15320 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15321 widen_ssumv8hi): New.
15323 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15326 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15329 * c-decl.c (add_flexible_array_elts_to_size): New function.
15330 (finish_decl): Use it.
15332 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
15334 * diagnostic.h: Include options.h.
15335 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15336 dependancies for diagnostic.h.
15337 * Makefile.in (DIAGNOSTIC_H): Add options.h.
15339 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
15341 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15342 (ssa_ro_call_cache_valid): Ditto.
15343 * tree-ssa-alias.c (sort_tags_by_id): New function.
15344 (init_transitive_clobber_worklist): Ditto.
15345 (add_to_worklist): Ditto.
15346 (mark_aliases_call_clobbered): Ditto.
15347 (compute_tag_properties): Ditto.
15348 (set_initial_properties): Ditto.
15349 (compute_call_clobbered): Ditto.
15350 (compute_may_aliases): Call compute_call_clobbered and grouping.
15351 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15352 (compute_flow_insensitive_aliasing): Grouping now happens in our
15354 (setup_pointers_and_addressables): Remove clobbering related code.
15355 (add_may_alias): Ditto.
15356 (replace_may_alias): Ditto.
15357 (get_nmt_for): Ditto.
15358 (create_global_var):
15359 (is_escape_site): Return an escape_type enumeration.
15360 * tree-flow-inline.h (is_call_clobbered): Global var does not
15361 imply call clobbered.
15362 (mark_call_clobbered): Take a reason for marking this. Remove
15363 marking of globalness, and cache invalidation.
15364 (clear_call_clobbered): Remove cache invalidation code.
15365 * tree-dfa.c (dump_variable): If details is on, dump the reason
15367 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15369 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15370 (struct var_ann_d): Ditto.
15371 (enum escape_type): New.
15372 (mark_call_clobbered): Adjust prototype.
15373 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15374 are never call clobbered.
15375 Record reasons for escaping.
15376 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15377 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15378 (ssa_ro_call_cache_valid): Ditto.
15379 (clobbered_v_may_defs): Ditto.
15380 (clobbered_vuses): Ditto.
15381 (ro_call_vuses): Ditto.
15382 (clobber_stats): New.
15383 (init_ssa_operands): Zero out clobber stats.
15384 (fini_ssa_operands): Print out clobber stats.
15385 (get_call_expr_operands): Pass callee fndecl to
15386 add_call_read_ops).
15387 (add_call_clobber_ops): Remove use of cache.
15388 Add use of PURE_CONST information.
15389 (add_call_read_ops): Remove use of cache.
15390 Add use of static not_read information.
15392 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15394 Introduce TLS descriptors for i386 and x86_64.
15395 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15396 (TARGET_ANY_GNU_TLS): New macro.
15397 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15398 (struct machine_function): Add tls_descriptor_call_expanded_p.
15399 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15400 (ix86_current_function_calls_tls_descriptor): Likewise.
15401 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15402 (override_options): Introduce gnu2 tls dialect.
15403 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15405 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15407 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15408 (ix86_init_machine_status): Initialize new field.
15409 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15410 (ix86_tls_module_base): New.
15411 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15412 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15413 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15414 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15415 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15416 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15417 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15418 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15419 * config/i386/predicates.md (tls_modbase_operand): New.
15420 (tp_or_register_operand): New.
15422 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15424 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15425 (look_for_address_of): Ditto.
15426 (ipa_init): Walk the function decls.
15427 (static_execute): Don't set readonly on FUNCTION_DECL's.
15429 2006-01-18 Roger Sayle <roger@eyesopen.com>
15431 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15432 for shifts where the source and destination registers are different.
15434 2006-01-18 Paul Brook <paul@codesourcery.com>
15436 Merge from csl-arm-branch.
15437 2005-03-14 Julian Brown <julian@codesourcery.com>
15438 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15439 (aeabi_llsl): Likewise.
15440 (ashrdi3): Likewise.
15441 (aeabi_lasr): Likewise.
15442 (lshrdi3): Likewise.
15443 (aeabi_llsr): Likewise.
15444 2005-03-10 Julian Brown <julian@codesourcery.com>
15445 * config.gcc: Disable shared libgcc for SymbianOS.
15446 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15448 2006-01-18 DJ Delorie <dj@redhat.com>
15450 * c-pragma.c (handle_pragma_diagnostic): New.
15451 (init_pragma): Register it.
15452 * doc/extend.texi: Document it.
15454 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15455 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15456 (diagnostic_context): Add classify_diagnostic[].
15457 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15458 as errors if they're overridden to DK_WARNING.
15459 (diagnostic_initialize): Initialize classify_diagnostic[].
15460 (diagnostic_set_kind_override): New.
15461 (diagnostic_report_diagnostic): Check for kind changes.
15462 * opts.c (common_handle_option): Take lang_mask. Update callers.
15463 Handle OPT_Werror_.
15464 * common.opt (Werror=): New.
15465 * doc/invoke.texi: Document -Werror=*
15467 2006-01-18 Jeff Law <law@redhat.com>
15469 * tree-vrp.c (test_for_singularity): Correct test for new
15470 min limit. Use operand_equal_p rather than pointer equality
15471 for testing if new min/max values are equal.
15473 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15474 using range information until after propagation and folding.
15476 2006-01-18 Richard Henderson <rth@redhat.com>
15477 Aldy Hernandez <aldyh@redhat.com>
15478 Jakub Jelinek <jakub@redhat.com>
15479 Diego Novillo <dnovillo@redhat.com>
15481 * omp-low.c: New file.
15482 * c-omp.c: New file.
15484 2006-01-18 Richard Henderson <rth@redhat.com>
15485 Jakub Jelinek <jakub@redhat.com>
15486 Diego Novillo <dnovillo@redhat.com>
15488 * doc/invoke.texi: Document -fopenmp.
15489 * tree-dump.h (debug_function): Declare.
15490 * hooks.c (hook_bool_tree_bool_false): New function.
15491 (hook_tree_tree_null): Remove.
15492 (hook_tree_tree_tree_null): New.
15493 * hooks.h: Update to match.
15494 * tree-pretty-print.c (debug_tree_chain): New.
15495 (print_generic_expr): Handle TDF_CHAIN.
15496 (dump_generic_node): Handle BLOCK.
15497 Do not abort with incomplete SWITCH_EXPRs.
15498 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15499 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15500 print space after directive name.
15501 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15502 Handle OMP_MASTER and OMP_ORDERED.
15503 Handle printing of OMP_BODY just in one place, goto
15504 dump_omp_body in the rest of OMP_* nodes that have
15506 Don't handle clause nodes here. Update omp statements to
15507 use dump_omp_clauses.
15508 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15509 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15510 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15511 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15512 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15513 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15514 Adjust output for GOMP_PARALLEL.
15515 (dump_omp_clauses): New.
15516 (print_declaration): Dump DECL_VALUE_EXPR.
15517 (op_symbol_1): Split out of op_symbol.
15518 (dumping_stmts): Remove. Update all users.
15519 * cgraph.c (cgraph_analyze_queue): New.
15520 (cgraph_add_new_function): New.
15521 * cgraph.h (cgraph_analyze_queue): Declare.
15522 (cgraph_add_new_function): Declare.
15523 (cgraph_lower_function): Remove.
15524 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15525 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15526 and TYPE_P nodes in its default clause.
15527 (empty_body_p): New.
15528 (tree_range_check_failed): New.
15529 (build5_stat): New.
15530 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15531 OMP_CLAUSE_REDUCTION_MERGE,
15532 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15533 OMP_CLAUSE_PRIVATE_DEBUG,
15534 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15535 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15536 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15537 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15538 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15539 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15540 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15541 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15542 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15543 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15544 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15545 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15546 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15547 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15548 (TREE_RANGE_CHECK): New.
15549 (empty_body_p): Declare.
15550 (enum omp_clause_default_kind): New.
15551 (build_string_literal): Declare.
15552 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15553 (build5_stat, build5): Declare.
15554 * tree-pass.h (TDF_CHAIN): Define.
15555 * tree-pass.h (PROP_gimple_lomp): Define.
15556 (pass_lower_omp): Declare.
15557 * diagnostic.h (debug_tree_chain): Declare.
15558 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15560 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15561 * builtins.c (build_string_literal): Make extern.
15562 * gcc.c (include_spec_function): New.
15563 (static_spec_functions): Add it.
15564 (main): Move load of libgomp.spec ...
15565 (LINK_COMMAND_SPEC): ... here.
15566 (link_gomp_spec): New.
15567 (static_specs): Include it.
15568 (LINK_COMMAND_SPEC): Add link_gomp.
15569 (GOMP_SELF_SPECS): New.
15570 (driver_self_specs): Include it.
15571 (switch_matches): Don't mark inline.
15572 (main): Load libgomp.spec.
15573 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15574 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15575 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15576 * tree-gimple.h (enum omp_parallel): Declare.
15577 (determine_parallel_type): Declare.
15578 (omp_firstprivatize_variable): Declare.
15579 (omp_reduction_init): Declare.
15580 (diagnose_omp_structured_block_errors): Declare.
15581 (struct walk_stmt_info): Add want_return_expr.
15582 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15583 (find_omp_clause): Declare.
15584 (insert_field_into_struct): Declare.
15585 (struct walk_stmt_info): Move from tree-nested.c
15586 (walk_stmts): Declare.
15587 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15589 * cgraphunit.c (cgraph_lower_function): Make static.
15590 (cgraph_finalize_pending_functions): New.
15591 (cgraph_finalize_function): Call it.
15592 (cgraph_finalize_compilation_unit): Likewise.
15593 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15594 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15595 (BT_FN_UINT_UINT): New.
15596 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15597 DEF_FUNCTION_TYPE_VAR_4): Document.
15598 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15599 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15600 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15601 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15602 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15603 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15604 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15605 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15606 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15607 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15608 into separate files.
15609 (DEF_GOMP_BUILTIN): New.
15610 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15611 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15612 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15613 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15614 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15615 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15616 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15617 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15618 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15619 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15620 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15621 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15622 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15623 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15624 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15625 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15626 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15627 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15628 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15629 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15630 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15631 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15632 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15633 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15634 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15635 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15636 * sync-builtins.def: New file, moved from builtins.def.
15637 * omp-builtins.def: New file, moved from builtins.def.
15638 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15639 * gimple-low.c (lower_function_body): Clear data.
15640 (lower_stmt): Do not handle COMPOUND_EXPR.
15641 Remove call to print_node_brief.
15642 * c-tree.h (c_finish_omp_clauses): New prototype.
15643 (C_DECL_THREADPRIVATE_P): Define.
15644 (lookup_name_no_remap, c_omp_remap_private): Remove
15645 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15646 (check_for_loop_decls): Update decl.
15647 (lookup_name_no_remap, c_omp_remap_private): Declare.
15648 (build_indirect_ref, build_modify_expr, pushdecl,
15649 pushdecl_top_level): Move to c-common.h.
15650 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15651 before the switch, but just in the 2 places that need it.
15652 * c-decl.c (diagnose_mismatched_decls): Do not check for
15653 mismatched thread-local attributes when OLDDECL is marked
15654 threadprivate and NEWDECL has no thread-local attributes.
15655 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15656 (c_gimple_diagnostics_recursively): Rename from
15657 c_warn_unused_result_recursively. Invoke
15658 diagnose_omp_structured_block_errors.
15659 (check_for_loop_decls): Return a singular decl found.
15660 * langhooks.c (lhd_omp_predetermined_sharing): Return
15661 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15662 (lhd_omp_firstprivatize_type_sizes): New.
15663 (lhd_omp_assignment): New.
15664 (lhd_omp_predetermined_sharing): New.
15665 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15666 (struct lang_hooks_for_types): Add
15667 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15668 omp_predetermined_sharing, omp_disregard_value_expr,
15669 omp_private_debug_clause, omp_clause_default_ctor,
15670 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15671 (c_finish_omp_clauses): New.
15672 (c_finish_bc_stmt): Diagnose break within omp for.
15673 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15674 (build_unary_op): Return error_mark after reporting
15676 (build_modify_expr): Likewise.
15677 * gimplify.c: Include optabs.h and pointer-set.h.
15678 (enum gimplify_omp_var_data): Declare.
15679 (struct gimplify_omp_ctx): Declare.
15680 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15682 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15683 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15684 (splay_tree_compare_decl_uid): New.
15685 (new_omp_context): New.
15686 (delete_omp_context): New.
15687 (gimple_add_tmp_var): Call omp_add_variable.
15688 (gimplify_bind_expr): Likewise.
15689 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15690 true, disregard DECL_VALUE_EXPR on the decl if any.
15691 (gimplify_expr_in_ctx): New.
15692 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15693 omp_add_variable, omp_notice_variable, omp_is_private
15694 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15695 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15696 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15697 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15698 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15699 gimplify_omp_atomic): New.
15700 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15701 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15702 OMP_CRITICAL and OMP_ATOMIC.
15703 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15704 * c-pragma.h (enum pragma_kind): Add
15705 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15706 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15707 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15708 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15709 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15710 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15711 PRAGMA_OMP_THREADPRIVATE.
15712 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15713 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15714 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15715 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15716 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15717 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15718 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15719 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15720 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15721 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15722 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15723 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15724 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15726 (struct nesting_info): Add field_map,
15727 suppress_expansion, debug_var_chain.
15728 (create_nesting_tree): Initialize them.
15729 (lookup_field_for_decl): Use field_map.
15730 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15731 (convert_local_omp_clauses): New.
15732 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15733 (walk_body): Split out of walk_function.
15734 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15735 (convert_nonlocal_reference): Handle omp statements.
15736 (convert_local_reference): Likewise.
15737 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15738 (unnest_nesting_tree): New.
15739 (lower_nested_functions): Call it.
15740 (insert_field_into_struct): Make extern.
15741 (struct walk_stmt_info): Move to tree-gimple.h.
15742 (walk_stmts): Make extern.
15743 * omp-builtins.def: New file.
15744 * tree-iterator.c (expr_only): Clarify comment.
15745 * c-common.h (pushdecl_top_level, pushdecl,
15746 build_modify_expr, build_indirect_ref,
15747 c_finish_omp_master, c_finish_omp_critical,
15748 c_finish_omp_ordered, c_finish_omp_barrier,
15749 c_finish_omp_atomic, c_finish_omp_flush,
15750 c_finish_omp_for, c_split_parallel_clauses,
15751 omp_clause_default_kind, c_omp_sharing_predetermined,
15752 c_omp_remap_decl): Declare.
15753 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15754 (OBJS-common): Add omp-low.o.
15755 (c-omp.o, omp-low.o): Add.
15756 (gimplify.o): Add dependency on $(OPTABS_H).
15757 (GTFILES): Add omp-low.c.
15758 (gt-stringpool.h): Add.
15759 * tree-cfg.c (set_bb_for_stmt): Do not update the
15760 block-to-labels map if we are currently expanding to RTL.
15761 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15763 Handle IDENTIFIER_NODE.
15764 (tree_verify_flow_info): Do not ICE when emitting error
15765 messages about invalid labels.
15766 (dump_function_to_file): Reset CFUN before emitting the body
15768 (debug_function): New.
15769 * passes.c (init_optimization_passes): Schedule
15771 * langhooks-def.h (lhd_omp_predetermined_sharing,
15772 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15774 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15775 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15776 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15777 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15778 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15779 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15780 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15781 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15782 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15783 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15784 (LANG_HOOK_DECLS): Use them.
15786 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15787 Richard Henderson <rth@redhat.com>
15788 Jakub Jelinek <jakub@redhat.com>
15789 Diego Novillo <dnovillo@redhat.com>
15791 * c-parser.c (pragma_omp_clause): Define.
15792 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15793 (c_parser_compound_statement): Likewise.
15794 (c_parser_statement): Likewise.
15795 (c_parser_pragma): Handle omp pragmas.
15796 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15797 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15798 (c_parser_omp_clause_name, check_no_duplicate_clause,
15799 c_parser_omp_variable_list,
15800 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15801 c_parser_omp_clause_copyprivate,
15802 c_parser_omp_clause_default,
15803 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15804 c_parser_omp_clause_lastprivate,
15805 c_parser_omp_clause_nowait,
15806 c_parser_omp_clause_num_threads,
15807 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15808 c_parser_omp_clause_reduction,
15809 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15810 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15811 c_parser_omp_atomic, c_parser_omp_barrier,
15812 c_parser_omp_critical, c_parser_omp_flush,
15813 c_parser_omp_for_loop, c_parser_omp_for,
15814 c_parser_omp_master, c_parser_omp_ordered,
15815 c_parser_omp_sections_scope, c_parser_omp_sections,
15816 c_parser_omp_parallel, c_parser_omp_single,
15817 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15818 * c-pragma.c (init_pragma): Do omp pragma registration here.
15819 * c.opt (fopenmp): New flag.
15821 2006-01-18 Eric Christopher <echristo@apple.com>
15823 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15824 * config/darwin.h (GOMP_SELF_SPECS): Define.
15826 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15828 * rtl.h: Remove the prototype for reg_alloc.
15830 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15833 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15834 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15835 sjlj and dwarf2 exception handling.
15836 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15837 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15838 * pa/pa.c (function_value): Treat complex and vector types as
15840 (function_arg): Likewise. Only pass scalar floats in the floating
15841 point argument registers.
15842 * pa/t-slibgcc-dwarf-ver: New file.
15843 * pa/t-slibgcc-sjlj-ver: New file.
15844 * pa/t-slibgcc-elf-ver: Delete file.
15846 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15848 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15849 unlikely_test_section_p test.
15851 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15853 * mode-switching.c (optimize_mode_switching): Make it static.
15854 * basic-block.h: Remove the prototype for
15855 optimize_mode_switching.
15857 * modulo-sched.c (sms_schedule): Make it static.
15858 * rtl.h: Remove the prototype for sms_schedule.
15860 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15861 * rtl.h: Remove the prototype for gcse_after_reload_main.
15863 * reg-stack.c (reg_to_stack): Make it static.
15864 * rtl.h: Remove the prototype for reg_to_stack.
15866 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15868 * rtl.h: Remove the prototypes for regrename_optimize and
15869 copyprop_hardreg_forward.
15871 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15873 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15874 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15875 Test against the appropriate null constant for the mode.
15876 If 'fixup_overlap' is true, swap the operands if they overlap.
15877 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15878 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15879 alpha_split_tmode_pair and adjust for above change.
15880 * config/alpha/alpha.md (movtf_internal): Adjust call to
15881 alpha_split_tfmode_pair and rely on it to swap the operands.
15882 (movti_internal): New insn and post-reload splitter.
15883 (movti): New expander.
15885 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15887 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15890 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15892 * rtlanal.c (global_reg_mentioned_p_1,
15893 global_reg_mentioned_p): Remove.
15894 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15896 * flow.c (initialize_uninitialized_subregs): Make it static.
15897 * rtl.h: Remove the prototype for
15898 initialize_uninitialized_subregs.
15900 * function.c (instantiate_virtual_regs): Make it static.
15901 * function.h: Remove the prototype for
15902 instantiate_virtual_regs.
15904 * regmove.c (regmove_optimize, combine_stack_adjustments):
15906 * rtl.h: Remove the prototypes for regmove_optimize and
15907 combine_stack_adjustments.
15909 2006-01-17 Roger Sayle <roger@eyesopen.com>
15911 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15912 (size_cost): Encode costs in bytes so that a reg-reg addition is
15913 equivalent to COSTS_N_INSNS(1).
15914 (override_options): Use the size_cost.branch_cost as the default
15915 ix86_branch_cost when optimizing for size.
15917 2006-01-18 Ben Elliston <bje@au.ibm.com>
15919 * Makefile.in (D32PBIT_FUNCS): New.
15920 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15921 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15922 D64PBIT_FUNCS and D128PBIT_FUNCS.
15923 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15924 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15926 (decnumber_dep): Define.
15927 * doc/libgcc.texi (Decimal float library routines): New node.
15928 * config/dfp-bit.h, config/dfp-bit.c: New files.
15930 2006-01-18 Ben Elliston <bje@au.ibm.com>
15932 * expr.c (emit_move_change_mode): Always adjust addresses, not
15933 just during reload. Copy replacements only during reload.
15934 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
15935 emit_move_via_integer.
15937 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
15939 * Makefile.in (check-%, check-consistency): Use $${srcdir}
15940 instead of $(srcdir) and ${srcdir}.
15942 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
15945 PR middle-end/11135
15946 * arm.h (struct machine_function): Add pic_reg.
15947 * arm.c (arm_pic_register): Make unsigned.
15948 (arm_override_options): Only set arm_pic_register if
15949 TARGET_SINGLE_PIC_BASE.
15950 (use_return_insn): Only test for a pic register if it is fixed.
15951 (arm_compute_save_reg0_reg12_mask): Likewise.
15952 (thumb_compute_save_reg_mask): Likewise.
15953 (legitimate_pic_operand): Factor out some known invariants.
15954 (legitimize_pic_address): If we don't have a fixed pic register,
15955 then set up a pseudo in the function entry sequence. Handle the
15956 pic base being in a pseudo.
15957 (arm_load_pic_register): Handle the pic register being in a pseudo.
15958 (arm_expand_prologue): Only set up the pic register if it is fixed.
15959 (thumb_expand_prologue): Likewise.
15960 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15961 (pic_load_addr_based_insn): Likewise.
15962 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15965 2006-01-18 Ben Elliston <bje@au.ibm.com>
15967 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15968 decimal float modes for all floating point registers.
15970 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15971 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15973 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15976 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15977 even when the pointer is not NULL.
15979 2006-01-16 Ian Lance Taylor <ian@airs.com>
15981 * common.opt (ftoplevel-reorder): New option.
15982 * cgraph.c (cgraph_asm_nodes): New global variable.
15983 (cgraph_asm_last_node): New static variable.
15984 (cgraph_order): New global variable.
15985 (cgraph_create_node): Set new order field.
15986 (cgraph_varpool_node): Likewise.
15987 (decide_is_variable_needed): Return true if not
15988 flag_toplevel_reorder.
15989 (cgraph_add_asm_node): New function.
15990 * cgraph.h (struct cgraph_node): Add order field.
15991 (struct cgraph_varpool_node): Add order field.
15992 (struct cgraph_asm_node): Define.
15993 (cgraph_asm_nodes, cgraph_order): Declare.
15994 (cgraph_add_asm_node): Declare.
15995 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15997 (cgraph_varpool_assemble_pending_decls): Call it.
15998 (cgraph_output_pending_asms): New static function.
15999 (cgraph_finalize_compilation_unit): Call it.
16000 (struct cgraph_order_sort): Define.
16001 (cgraph_output_in_order): New static function.
16002 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
16003 !flag_toplevel_reorder case.
16004 * c-parser.c: Include "cgraph.h".
16005 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
16007 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
16008 than -fno-unit-at-a-time.
16009 * doc/invoke.texi (Option Summary): Mention
16010 -fno-toplevel-reorder.
16011 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
16012 -funit-at-a-time documentation.
16014 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
16015 Kazu Hirata <kazu@codesourcery.com>
16017 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
16019 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
16021 * Makefile.in (FUNCTION_H): New. Use it instead of
16022 function.h throughout the file.
16023 * function.h: Include tree.h.
16025 2006-01-17 Ben Elliston <bje@au.ibm.com>
16027 * recog.c: Separate some functions with whitespace.
16029 2006-01-16 Richard Henderson <rth@redhat.com>
16031 Merge from gomp branch:
16032 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
16033 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
16034 and rename from struct inline_data. Rename callee* to dst*;
16035 caller* to src*; add copy_decl hook, transform_call_graph_edges,
16036 transform_new_cfg, transform_return_to_modify, and
16037 transform_lang_insert_block flags; remove cloning_p, versioning_p,
16039 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
16040 (copy_decl_for_dup): Remove.
16041 * tree-inline.c (struct inline_data): Move to header.
16042 (insert_decl_map): Export.
16043 (remap_decl): Update for member name changes. Use copy_decl hook.
16044 Allow for replacement to be a non-decl. Remove dead code.
16045 (remap_type_1): Check for existing mapping.
16046 (remap_type): Export.
16047 (remap_decls): Update for member name changes.
16048 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
16049 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
16050 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
16051 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
16052 (tree_function_versioning, build_duplicate_type): Likewise.
16053 (copy_body_r): Likewise. Export.
16054 (copy_decl_for_dup): Split into ...
16055 (copy_decl_for_dup_finish, copy_decl_to_var,
16056 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16057 (replace_ref_tree, inlining_p): Remove.
16059 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16061 * ifcvt.c (if_convert): Make it static.
16062 * rtl.h: Remove the prototype for if_convert.
16064 * local-alloc.c (local_alloc): Make it static.
16065 * rtl.h: Remove the prototype for local_alloc.
16067 * loop.c (loop_optimize): Make it static.
16068 * cfgloop.h: Remove the prototype for loop_optimize.
16071 2006-01-16 DJ Delorie <dj@redhat.com>
16073 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16076 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16078 * pa.md: Disparage copies between general and floating-point registers
16079 in 32-bit move patterns.
16081 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
16084 * Makefile.in (check-%): Depend on site.exp instead of
16085 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
16088 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16090 * global.c (global_alloc): Make it static.
16091 * rtl.h: Remove the prototype for global_alloc.
16093 2006-01-16 Richard Guenther <rguenther@suse.de>
16095 * tree-ssa-alias.c (struct used_part): Add write_only field.
16096 (get_or_create_used_part_for): Initialize it to true.
16097 (create_overlap_variables_for): Don't create structure variables
16098 for structures that only are written to.
16099 (find_used_portions): Handle MODIFY_EXPR to track whether a
16100 structure is only written to.
16102 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16104 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
16106 * basic-block.h: Remove the prototype for
16107 partition_hot_cold_basic_blocks.
16109 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
16111 * cppspec.c (lang_specific_spec_functions): Remove.
16112 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
16113 * gcc.h (lang_specific_spec_functions): Remove.
16114 * gccspec.c (lang_specific_spec_functions): Remove.
16116 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
16118 * combine.c (record_value_for_reg): Invalidate registers
16120 (record_dead_and_set_regs_1): Likewise, by passing them to
16121 record_value_for_reg.
16122 (record_dead_and_set_regs): Invalidate stores made by a
16123 call. We do not combine across a call, but we still
16124 relied on equivalences.
16126 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16128 * tree-vrp.c (extract_range_from_binary_expr): Cope with
16129 vrp_int_const_binop returning non-constant nodes.
16131 2006-01-16 Paul Brook <paul@codesourcery.com>
16133 * config/m68k/m68k.c (output_move_const_into_data_reg):
16134 Output correct mnemonic for mvz and mvs.
16136 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
16138 * rtl-factoring.c: Add sequence abstraction algorithm.
16139 * cfgcleanup.c (outgoing_edges_match): Extra checks.
16140 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16142 (block_has_preserve_label): New function.
16143 * common.opt: Register new pass.
16144 * Makefile.in: Ditto.
16146 * timevar.def: Ditto.
16147 * tree-pass.h: Ditto.
16148 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16149 * rtl.h (make_jump_insn_raw): Add forward decl.
16150 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
16152 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16153 Roger Sayle <roger@eyesopen.com>
16155 * fold-const.c (fold_minmax): New static function.
16156 (fold_binary) <MIN_EXPR>: Call it.
16157 <MAX_EXPR>: Likewise.
16158 * stor-layout.c (place_field): Use DECL_SIZE consistently
16159 in the computation of the new record size.
16161 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16163 * cse.c (cse_condition_code_reg): Make it static.
16164 * rtl.h: Remove the prototype for cse_condition_code_reg.
16166 * combine.c (combine_instructions): Make it static.
16167 * rtl.h: Remove the prototype for combine_instructions.
16169 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16172 * tree.c (get_file_function_name_long): Concatenate the first global
16173 object name with a string derived from the input filename of the object
16176 2006-01-16 Ben Elliston <bje@au.ibm.com>
16178 * config/i386/winnt-stubs.c: Update FSF address.
16179 * config/xtensa/ieee754-df.S: Ditto.
16180 * config/xtensa/ieee754-sf.S: Ditto.
16182 2006-01-14 Ian Lance Taylor <ian@airs.com>
16184 * ifcvt.c (noce_init_if_info): New static function, broken out of
16185 noce_process_if_block.
16186 (noce_process_if_block): Call noce_init_if_info.
16187 (check_cond_move_block): New static function.
16188 (cond_move_process_if_block): New static function.
16189 (process_if_block): Call cond_move_process_if_block.
16191 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
16193 * cselib.c (hash_table): Rename to cselib_hash_table.
16194 (cselib_clear_table, discard_useless_values,
16195 remove_useless_values, cselib_lookup_mem, cselib_lookup,
16196 cselib_init, cselib_finish): Adjust uses of hash_table.
16198 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
16200 PR tree-optimization/25485
16201 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16202 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16203 is known to be false and true, respectively.
16205 2006-01-14 Richard Guenther <rguenther@suse.de>
16207 PR tree-optimization/22548
16208 PR tree-optimization/22555
16209 PR tree-optimization/22501
16210 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16211 * params.def (salias-max-array-elements): New parameter.
16212 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16213 * doc/invoke.texi (salias-max-array-elements): Document.
16214 * tree-flow-inline.h (var_can_have_subvars): We also handle
16216 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16218 * tree-ssa-structalias.c (params.h): Include.
16219 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16220 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16221 (get_constraint_for): For ADDR_EXPR operating on something
16222 containing an ARRAY_REF, add all subvars to the solution.
16223 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16224 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16225 for creating MUST_DEFs.
16226 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16228 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16230 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16232 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16233 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16234 number_of_iterations_le): New functions.
16235 (number_of_iterations_special): Removed.
16236 (number_of_iterations_exit): Do not use number_of_iterations_special.
16237 * tree.c (unsigned_type_for): Always return integer type.
16239 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
16240 Richard Guenther <rguenther@suse.de>
16242 PR rtl-optimization/24257
16243 * gcse.c (find_moveable_store): Only consider a store movable
16244 when the SET_SRC of the insn can be assigned to a register.
16246 2006-01-14 Ian Lance Taylor <ian@airs.com>
16248 * tree.c (tree_not_class_check_failed): New function.
16249 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16250 (tree_not_class_check_failed): Declare.
16252 2006-01-13 Ian Lance Taylor <ian@airs.com>
16254 * reload1.c (do_output_reload): Add assertion rejecting a
16257 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16259 * combine.c (struct reg_stat): Add new fields truncation_label and
16261 (record_value_for_reg): Reset truncated_to_mode.
16262 (record_truncated_value): New function.
16263 (check_promoted_subreg): Call it. Rename to check_conversions.
16264 (combine_instructions): Rename check_promoted_subreg to
16266 (reg_truncated_to_mode): New function.
16267 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16268 (gen_lowpart_or_truncate): New function.
16269 (force_to_mode): Use it instead of gen_lowpart.
16271 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16273 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16274 VAR is a tag, not its type tag.
16276 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16278 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16279 alternatives to match style of other entries.
16280 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16282 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16284 PR tree-optimization/25771
16285 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16288 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16291 * tree-inline.c (declare_return_variable): If the return variable
16292 was marked as a non gimple complex, set the return slot variable
16293 to be a non gimple comple variable.
16295 2006-01-13 Richard Guenther <rguenther@suse.de>
16297 * builtins.c (expand_builtin_sincos): New function.
16298 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16300 (expand_builtin): Expand sincos using expand_builtin_sincos.
16302 2006-01-12 DJ Delorie <dj@redhat.com>
16304 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16305 shift counts, separate SI shifts for m32c vs m16c, pass shift type
16306 so that constant shifts can be split.
16307 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16308 (m32c_valid_pointer_mode): Make static.
16309 (shift_gen_func_for): New.
16310 (m32c_prepare_shift): Use it. Split large const shifts into
16312 * config/m32c/predicates.md (shiftcount_operand): Allow more
16314 (longshiftcount_operand): New.
16315 * doc/md.texi (Machine Constraints): Document In6.
16317 2006-01-13 Ben Elliston <bje@au.ibm.com>
16319 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16320 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16323 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
16325 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16326 to try to avoid clobbering pieces of structures when we know
16327 something about the whole structure.
16328 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16330 2006-01-13 Ben Elliston <bje@au.ibm.com>
16332 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16333 return in memory, as this is no limitation is no longer present.
16335 2006-01-12 DJ Delorie <dj@redhat.com>
16337 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16338 mova with fb, and for fb+0 -> An.
16340 * config/m32c/mov.md (peephole2): Fix enabling logic.
16342 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16343 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16344 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16345 FINI_ARRAY_SECTION_ASM_OP): Define.
16347 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16349 (m32c_legitimize_reload_address): New logic to reload FB to An.
16350 (m32c_output_reg_push): Add newline.
16351 (m32c_output_reg_pop): Likewise.
16353 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16355 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16357 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16359 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16361 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16363 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16366 2006-01-11 Ben Elliston <bje@au.ibm.com>
16368 * rtlanal.c (find_reg_note): Assert insn is not null.
16370 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16372 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16375 2006-01-11 Jeff Law <law@redhat.com>
16377 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16379 (mark_threaded_blocks, register_jump_thread): New functions.
16380 (thread_through_all_blocks): Remove unwanted argument. No
16381 longer rely on e->aux to communicate thread target info.
16382 Call mark_threaded_blocks. Release the threaded_blocks
16383 bitmap and threaded_edges vector when complete.
16384 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16385 (threaded_blocks): Remove.
16386 (tree_ssa_dominator_optimize): Remove initialization and
16387 finalization of threaded_blocks. Simplify call to
16388 thread_through_all_blocks.
16389 (thread_across_edge): Call register_jump_thread rather than
16390 storing thread information into e->aux.
16391 (free_all_edge_infos): Simplify now that e->aux is no longer
16392 used to communicate with thread_through_all_blocks.
16393 * tree-flow.h (thread_through_all_blocks): Update prototype.
16394 (register_jump_thread): Prototype.
16396 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16398 * df-core.c (df_compact_blocks, df_bb_replace): Use
16399 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16401 2006-01-11 Richard Guenther <rguenther@suse.de>
16403 PR tree-optimization/25734
16404 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16405 stop propagation after successful propagation to the LHS.
16407 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16409 * basic-block.h (control_flow_graph): Change the type of
16410 x_basic_block_info to VEC(basic_block,gc) *.
16411 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16413 (SET_BASIC_BLOCK): New.
16414 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16415 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16416 * cfgbuild.c (find_basic_blocks): Likewise.
16417 * cfglayout.c (fixup_reorder_chain): Likewise.
16418 * cfgrtl.c (create_basic_block_structure,
16419 rtl_create_basic_block): Likewise.
16420 * ifcvt.c (find_if_case_1): Likewise.
16421 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16424 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16426 * Makefile.in: Removed rotted odf.c entry.
16428 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16431 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16432 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16433 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16434 output pattern modifier, not %e.
16435 * config/cris/cris.c (cris_op_str): Update comment about pattern
16437 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16438 before falling through into...
16439 <case 'E'>: Redefined from old 'e' case.
16441 2006-01-11 Jan Hubicka <jh@suse.cz>
16444 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16446 2006-01-11 Jan Hubicka <jh@suse.cz>
16448 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16449 * i386.c (x86_decompose_lea): Kill.
16450 (ix86_rtx_costs): Kill.
16452 2006-01-11 Jan Hubicka <jh@suse.cz>
16454 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16455 * cgraph.h (cgraph_node): Add inline_decl.
16456 (cgraph_insert_node_to_hashtable): Declare.
16457 (save_inline_function_body): Declare.
16458 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16460 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16461 (cgraph_function_versioning): Update call of tree_function_versioning.
16462 (save_inline_function_body): New function.
16463 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16464 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16465 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16466 (cgraph_default_inline_p): Likewise.
16467 (cgraph_decide_inlining_incrementally): Likewise.
16468 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16469 (copy_bb): Kill saving; do updating of clones.
16470 (copy_cfg_body): Kill saving.
16471 (initialize_inlined-parameters): Likewise.
16472 (expand_call_inline): Likewise.
16474 (tree_function_versioning): New parameter "update_clones".
16475 (inlining_p): Kill saving.
16476 * tree-inline.h (tree_function_versioning): Update prototype.
16477 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16480 2006-01-11 Ian Lance Taylor <ian@airs.com>
16482 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16483 Allow undoing set of machine mode.
16484 (do_SUBST): Use enums instead of is_int.
16485 (do_SUBST_MODE): New function.
16486 (SUBST_MODE): New macro.
16487 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16488 reg and trying to replace reg_regno_rtx with a new register.
16489 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16490 (simplify_set): Use SUBST_MODE.
16491 (distribute_notes): Remove code that tried to update reg notes
16492 for regno_reg_rtx changes.
16494 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16496 PR tree-optimization/23109
16497 PR tree-optimization/23948
16498 PR tree-optimization/24123
16500 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16501 * tree-cfg.c (single_noncomplex_succ): New.
16502 * tree-flow.h (single_noncomplex_succ): Declare it.
16503 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16504 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16505 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16506 insert_bb, register_division_in, insert_reciprocals,
16507 replace_reciprocal, free_bb): New.
16508 (execute_cse_reciprocals_1): Rewritten.
16509 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16510 Do not commit any edge insertion. Always compute dominators and
16511 create the allocation pool.
16512 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16513 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16514 * targhooks.c (default_min_divistions_for_recip_mul): New.
16515 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16516 * passes.c (init_optimization_passes): Run recip after tree loop
16518 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16520 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16521 Kenneth Zadeck <zadeck@naturalbridge.com>
16523 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16524 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16525 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16526 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16527 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16528 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16529 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16530 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16531 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16532 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16533 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16534 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16535 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16536 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16537 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16538 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16539 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16540 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16541 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16542 DF_SCAN_POST_ALLOC): New macros.
16543 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16544 df_free_bb_function, df_local_compute_function, df_init_function,
16545 df_dataflow_function, df_confluence_function_0,
16546 df_confluence_function_n, df_transfer_function,
16547 df_finalizer_function, df_free_function, df_dump_problem_function,
16548 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16549 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16550 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16551 df_urec_bb_info, ) New types.
16552 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16554 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16555 df_analyze_simple_change_some_blocks,
16556 df_analyze_simple_change_one_block, df_compact_blocks,
16557 df_bb_replace, df_bb_regno_last_use_find,
16558 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16559 df_insn_regno_def_p, df_find_def, df_find_use,
16560 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16561 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16562 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16563 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16564 debug_df_chain, df_get_dependent_problem, df_chain_create,
16565 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16566 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16567 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16568 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16569 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16570 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16571 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16572 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16573 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16574 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16575 df_reorganize_refs, df_set_state, df_hard_reg_init,
16576 df_read_modify_subreg_p) New public functions.
16577 * df-core.c: The core dataflow solver and glue routines for rtl
16579 (df_init, df_add_problem, df_set_blocks, df_finish,
16580 df_hybrid_search_forward, df_hybrid_search_backward,
16581 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16582 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16583 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16584 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16585 df_reg_defined, df_find_use, df_reg_used, df_dump,
16586 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16587 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16588 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16589 debug_df_useno, reset_df_after_reload): New functions.
16590 * df-scan.c: The scanning fuctions, once in df.c, completely
16591 rewritten so that they now fully model the functionality of
16592 register usage at the backend.
16593 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16594 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16595 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16596 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16597 df_get_artificial_defs, df_get_artificial_uses,
16598 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16599 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16600 df_refs_delete, df_reorganize_refs, df_set_state,
16601 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16602 df_def_record_1, df_defs_record, df_uses_record,
16603 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16604 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16605 df_record_exit_block_uses, df_hard_reg_init): New functions.
16607 * df-problems.c: Seven concrete dataflow problems that use the
16608 scanning in df-scan.c and are solved by the engine in df-core.c.
16609 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16610 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16611 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16612 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16613 df_ru_free_bb_info, df_ru_alloc,
16614 df_ru_bb_local_compute_process_def,
16615 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16616 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16617 df_ru_transfer_function, df_ru_free, df_ru_dump,
16618 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16619 df_rd_free_bb_info, df_rd_alloc,
16620 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16621 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16622 df_rd_transfer_function, df_rd_free, df_rd_dump,
16623 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16624 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16625 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16626 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16627 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16628 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16629 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16630 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16631 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16632 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16633 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16634 df_urec_mark_reg_use_for_earlyclobber,
16635 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16636 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16637 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16638 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16639 df_chain_create_bb_process_use, df_chain_create_bb,
16640 df_chain_finalize, df_chain_free, df_chains_dump,
16641 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16642 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16643 df_reg_lifetime): New functions.
16644 * df.c: Deleted file.
16645 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16646 consistent with new df api.
16647 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16648 rest_of_handle_sms): Ditto.
16649 * web.c (unionfind_union, union_defs, entry_register, web_main):
16651 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16652 invariant_expr_equal_p, find_defs, check_dependencies,
16653 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16654 free_inv_motion_data, move_loop_invariants): Ditto.
16655 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16656 Update dependencies.
16657 (odf.c): Added defective entry that was deleted later in day.
16658 * sched-deps.c (sched_analyze_1): Ditto.
16660 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16662 * tree-ssa-operands.c (get_expr_operands): Record addressable
16663 variables directly. Do not call add_stmt_operands for CONST_DECLs
16665 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16666 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16668 2006-01-11 Ben Elliston <bje@au.ibm.com>
16670 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16671 function returns true in the positive case.
16673 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16676 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16677 for SI, DI, SF and DF modes. Add alternatives to copy between
16678 general and floating point registers to the 32-bit patterns.
16679 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16680 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16681 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16682 generating 64-bit code.
16683 * config/pa/pa.c (output_move_double): Handle copies between general
16684 and floating registers.
16686 2006-01-10 Stuart Hastings <stuart@apple.com>
16688 * config/i386/i386.md (set_got): Update.
16689 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16690 (builtin_setjmp_receiver): Mach-O support.
16691 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16692 (GOT_SYMBOL_NAME): Define.
16693 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16694 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16695 * config/i386/i386.c (override_options): Revise for Darwin.
16696 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16697 support. (darwin_x86_file_end): New. (output_set_got): Add label
16698 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16699 * config/i386/i386-protos.h (output_set_got): Likewise.
16700 * config/darwin.c (machopic_legitimize_pic_address): Update
16703 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16705 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16706 when MODE isn't BLKmode.
16708 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16710 PR rtl-optimization/25367
16711 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16713 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16716 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16717 for a negative bound.
16719 2006-01-10 Richard Guenther <rguenther@suse.de>
16721 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16722 Never override with anything constraint.
16724 2006-01-10 Jan Beulich <jbeulich@novell.com>
16726 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16727 256 bits when optimize_size.
16729 2006-01-10 Jan Beulich <jbeulich@novell.com>
16731 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16733 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16734 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16737 2006-01-10 Ben Elliston <bje@au.ibm.com>
16739 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16741 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16742 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16743 (USE_FP_FOR_ARG): Reject decimal float modes.
16744 (function_arg_advance): Likewise.
16745 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16746 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16747 point types in AltiVec vectors.
16748 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16749 (rs6000_libcall_value): Likewise.
16751 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16753 * config/xtensa/ieee754-df.S: New file.
16754 * config/xtensa/ieee754-sf.S: New file.
16755 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16756 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16757 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16759 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16761 * config/sh/predicates.md (binary_float_operator,
16762 binary_logical_operator, commutative_float_operator,
16763 equality_comparison_operator, greater_comparison_operator,
16764 less_comparison_operator, logical_operator,
16765 noncommutative_float_operator, shift_operator,
16766 symbol_ref_operand, unary_float_operator): Remove redundant
16769 2006-01-09 Jeff Law <law@redhat.com>
16771 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16772 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16773 now unused arguments. Callers updated.
16774 (eliminate_redundant_computations): Remove now unused arguments,
16776 (local_fold): Remove, no longer used.
16777 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16779 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16780 (simplify_cond): New function.
16781 (forward_propagate_into_cond): Call simplify_cond.
16783 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16785 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16786 (*vec_extractv2di_1_sse): New.
16788 2006-01-09 Ben Elliston <bje@au.ibm.com>
16790 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16792 2006-01-08 Richard Guenther <rguenther@suse.de>
16794 * tree-ssa-structalias.c (get_constraint_for): Remove
16795 anyoffset argument.
16796 (get_constraint_for_component_ref): Likewise.
16797 (do_deref): Likewise.
16798 (get_constraint_for): Likewise.
16799 (do_structure_copy): Likewise.
16800 (handle_ptr_arith): Likewise.
16801 (find_func_aliases): Likewise. Remove unused need_anyoffset
16804 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16805 Kaz Kojima <kkojima@gcc.gnu.org>
16807 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16808 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16809 (EXTRA_CONSTRAINT_C16): Remove.
16810 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16811 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16812 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16813 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16814 constants of SHmedia. Handle nested constant expressions of
16816 (andcosts): Fix the costs for SHmedia constants.
16817 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16818 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16819 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16820 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16821 (movv4hi_i, movv2si_i): Likewise.
16822 (movsi_const): Adjust the second operand of ior so to match with
16823 the Csu constraint.
16824 (movdi_const, movdi_const_32bit): Likewise.
16825 (movdi_const_16bit+1): Don't sign-extend LOW.
16826 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16828 (*double_shori): Fix the split condition. Use GEN_INT instead
16829 of get_int_mode calls. Mask lower 16-bit of the argument of
16831 (sym2GOTPLT): Remove.
16832 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16834 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16835 instead of EXTRA_CONSTRAINT_C16.
16837 2006-01-07 Ian Lance Taylor <ian@airs.com>
16838 David Edelsohn <edelsohn@gnu.org>
16840 PR rtl-optimization/25662
16841 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16842 for constant operands instead of simplify_gen_binary.
16843 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16844 after trying simplify_binary_operation
16846 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16848 * tree.c (iterative_hash_expr): Hash decls based on UID.
16850 2006-01-06 Eric Christopher <echristo@apple.com>
16852 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16853 (TARGET_UNWIND_EMIT): Fix spelling.
16854 * target.h (gcc_target): Add except_table_label.
16855 * except.c (output_function_exception_table): Use.
16856 * varasm.c (default_emit_except_table_label): New.
16857 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16859 (asm_out): Add here.
16860 * output.h (default_emit_except_table_label): Prototype.
16861 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16862 * config/darwin.c (darwin_emit_except_table_label): Define.
16863 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16865 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16867 PR tree-optimization/18527
16868 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16869 number_of_iterations_special, number_of_iterations_exit):
16870 Move base and step of an iv to a single structure. Add
16871 no_overflow flag, and use it in # of iterations analysis.
16872 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16873 folded_casts argument.
16874 (simple_iv): Pass base and step in a structure. Set no_overflow
16876 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16877 Evaluate expensiveness of computing # of iterations instead of
16878 the final expression.
16879 * tree-scalar-evolution.h (affine_iv): New structure.
16880 (simple_iv): Declaration changed.
16881 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16882 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16883 find_givs_in_stmt): Changed due to simple_iv change.
16885 2006-01-06 Jeff Law <law@redhat.com>
16888 * tree-cfg.c (bsi_replace): Rename final argument from
16889 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16890 change (stmt -> orig_stmt).
16891 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16892 (bsi_remove): Add new argument. Remove EH information
16894 (verify_eh_throw_table_statements): New function.
16895 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16897 * tree-optimize.c (execute_free_cfg_annotations): Verify
16898 the EH throw statement table after removing annotations.
16899 * except.h (verify_eh_throw_table_statements): Prototype.
16900 * tree-flow.h (bsi_remove): Update prototype.
16901 * tree-vrp.c (remove_range_assertions): Add new argument to
16903 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16904 * tree-complex.c (expand_complex_div_wide): Likewise.
16905 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16906 * tree-tailcall.c (eliminate_tailcall): Likewise.
16907 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16908 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16909 * tree-nrv.c (tree_nrv): Likewise.
16910 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16911 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16912 (combine_blocks): Likewise.
16913 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16914 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16915 (cleanup_control_flow): Likewise.
16916 (remove_forwarder_block): Likewise.
16917 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16918 * tree-sra.c (sra_replace): Likewise.
16919 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16920 (forward_propagate_single_use_vars): Likewise.
16921 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16922 * tree-inline.c (expand_call_inline): Likewise.
16923 * tree-vect-transform.c (vect_transform_loop): Likewise.
16924 * tree-outof-ssa.c (rewrite_trees): Likewise.
16925 * tree-cfg.c (make_goto_expr_edges): Likewise.
16926 (cleanup_dead_labels): Likewise.
16927 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16928 (bsi_move_before, bsi_move_after): Likewise.
16929 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16930 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
16932 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
16935 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
16937 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
16938 on non gimple variables. Also add checks at the top for decls and
16940 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
16942 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
16943 and IMAGPART_EXPR for creating MUST_DEFs.
16944 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
16945 and NAME_MEMORY_TAG separately from the DECLs.
16947 2006-01-06 Richard Guenther <rguenther@suse.de>
16949 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
16950 annotation, if necessary.
16951 * tree-ssa-pre.c (create_expression_by_pieces): Remove
16952 redundant calls to update_stmt.
16953 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16956 2006-01-05 Richard Henderson <rth@redhat.com>
16958 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16960 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16962 * c-typeck.c: Update copyright date.
16964 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16966 * c-typeck.c (build_c_cast): Always warn when casting
16967 from a pointer to an integer of different size, even if
16968 the node was constant.
16970 2006-01-05 Richard Guenther <rguenther@suse.de>
16972 PR tree-optimization/22555
16973 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16974 if one structure field is an array.
16975 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16976 operands even if we found a subvar, but ignore VOPs in this
16978 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16980 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16982 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16984 PR middle-end/24998
16985 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16987 2006-01-05 Richard Guenther <rguenther@suse.de>
16988 Diego Novillo <dnovillo@redhat.com>
16990 * tree-pass.h (TODO_remove_unused_locals): Define.
16991 * gimple-low.c (expand_var_p, remove_useless_vars,
16992 pass_remove_useless_vars): Remove. Update all users.
16993 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16994 (remove_unused_locals): New function.
16995 * tree-flow.h (remove_unused_locals): Declare.
16996 * passes.c (execute_todo): Call remove_unused_locals if
16997 TODO_remove_unused_locals is set.
16998 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16999 * tree-ssa-dce.c (pass_dce): Likewise.
17000 * tree-outof-ssa.c (pass_del_ssa): Likewise.
17002 2006-01-05 Richard Guenther <rguenther@suse.de>
17004 * tree-flow.h (struct fieldoff): Decompose field to
17005 type, size and decl.
17006 * tree-ssa-alias.c (create_sft): Take type as parameter.
17007 (create_overlap_variables_for): Store type, size and decl
17008 in the fieldoff structure.
17009 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
17010 of struct fieldoff.
17011 (push_fields_onto_fieldstack): Likewise.
17012 (create_variable_info_for): Likewise. Use offset for the
17013 SFT name if the decl is not available.
17015 2006-01-04 Paul Brook <paul@codesourcery.com>
17017 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
17019 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
17021 * lambda-code.c (can_put_in_inner_loop): Relax
17023 (can_put_after_inner_loop): New function.
17024 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
17025 (perfect_nestify): Change to make copies and modify uses.
17027 2006-01-04 Richard Henderson <rth@redhat.com>
17029 Merge from gomp branch:
17030 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
17031 via integer constant.
17032 (pragma_lex): Remove.
17033 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
17034 rather than parsing it.
17035 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
17036 handle_pragma_extern_prefix): Add %< %> quotes.
17037 (registered_pragmas): New.
17038 (c_register_pragma_1): New.
17039 (c_register_pragma): Use it.
17040 (c_register_pragma_with_expansion): Likewise.
17041 (c_invoke_pragma_handler): New.
17042 (init_pragma): Use cpp_register_deferred_pragma directly for
17044 * c-pragma.h (enum pragma_kind): New.
17045 (pragma_handler): New.
17046 (c_invoke_pragma_handler): Declare.
17047 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
17049 * c-common.h (c_common_pch_pragma): Update decl.
17050 * Makefile.in (c-parser.o): Update dependencies.
17051 (GTFILES): Add c-pragma.h.
17052 * c-parser.c (struct c_token): Add pragma_kind.
17053 (struct c_parser): Add in_pragma.
17054 (c_lex_one_token): Always initialize keyword and pragma_kind.
17055 Extract data for CPP_PRAGMA.
17056 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17057 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17058 Don't allow CPP_PRAGMA_EOL if in_pragma.
17059 (c_parser_consume_pragma): New.
17060 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17061 (c_parser_skip_to_end_of_parameter): Likewise.
17062 (c_parser_skip_to_end_of_block_or_statement): Likewise.
17063 (c_parser_skip_to_pragma_eol): New.
17064 (c_parser_external_declaration): Handle CPP_PRAGMA.
17065 (c_parser_compound_statement_nostart): Likewise.
17066 (c_parser_statement_after_labels): Likewise.
17067 (c_parser_pragma): New.
17068 (pragma_lex): Likewise.
17069 (c_parser_pragma_pch_preprocess): New.
17070 (c_parser_new): Merge into ...
17071 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
17073 2006-01-04 Jeff Law <law@redhat.com>
17076 * tree-cfg.c (bsi_replace): Remove the original statement
17077 from the EH throw statement table.
17079 2006-01-04 Jakub Jelinek <jakub@redhat.com>
17081 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
17082 make the prototype extern "C" and add throw ().
17085 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
17086 and pos non-negative and pos + len <= 32.
17087 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
17088 drop pos + len < HOST_BITS_PER_WIDE_INT test.
17089 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
17092 * c-common.c (handle_vector_size_attribute): Reject zero vector size
17093 as well as sizes not multiple of component size.
17096 * function.c (instantiate_expr): New function.
17097 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
17098 walk its DECL_VALUE_EXPR with instantiate_expr.
17100 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
17101 DW_OP_deref{,_size} if address isn't going to be added.
17103 2006-01-04 Ben Elliston <bje@au.ibm.com>
17105 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
17106 * config/fp-bit.c: Likewise.
17108 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
17110 * dominance.c: Add comment about why we use DFS numbering
17113 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17114 Richard Henderson <rth@redhat.com>
17116 Merge from gomp-branch:
17117 * varasm.c (assemble_variable): Handle thread-local COMMON data.
17118 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
17120 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
17122 PR rtl-optimization/25578
17123 * combine.c (combine_simplify_rtx, force_to_mode): Don't
17124 pass a parameter to simplify_shift_const if changing ASHIFTRT
17127 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
17129 * builtins.c (get_builtin_sync_mem): New function.
17130 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17131 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17132 Call get_builtin_sync_mem to generate mem rtx.
17134 2006-01-03 Richard Guenther <rguenther@suse.de>
17137 * stmt.c (add_case_node): Make sure to clear overflow flags
17140 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17142 Merge from gomp-branch.
17143 * config/sparc/sync.md: New file.
17144 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17145 UNSPECV_LDSTUB): New constants.
17146 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
17147 * config/sparc/predicates.md (memory_reg_operand): New predicate.
17148 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
17151 2006-01-03 Roger Sayle <roger@eyesopen.com>
17153 * combine.c (reg_subword_p): New predicate to test whether the
17154 destination of a set refers to a subword/piece of a register.
17155 (try_combine): Generalize the code to merge the setting of a
17156 pseudo to a constant followed by a set of a subword of that
17157 register to a constant.
17159 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
17161 * basic-block.h (control_flow_graph): Change the type of
17162 x_label_to_block_map to VEC(basic_block,gc) *.
17163 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17164 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17166 * tree-ssa-propagate.c (cfg_blocks): Change the type to
17167 VEC(basic_block,heap) *.
17168 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17169 ssa_prop_fini): Adjust the uses of cfg_blocks.
17171 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
17173 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17175 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17176 hashing trees instead of a pointer hash.
17177 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17178 compare for MEM_EXPR.
17180 PR rtl-optimization/25130
17181 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17182 when comparing MEMs for GCSE
17184 2006-01-03 Ben Elliston <bje@au.ibm.com>
17186 * targhooks.h (default_decimal_float_supported_p): Declare.
17187 * targhooks.c (default_decimal_float_supported_p): Define.
17188 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17189 `default_decimal_float_supported_p'.
17190 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17192 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
17194 * combine.c (apply_distributive_law <SUBREG>): Check
17195 TRULY_NOOP_TRUNCATION.
17197 2006-01-02 Geoffrey Keating <geoffk@apple.com>
17199 * dwarf2out.c (have_switched_text_section): Delete.
17200 (have_multiple_function_sections): New.
17201 (have_location_lists): Make 'bool'.
17202 (add_AT_loc_list): Use 'true' not '1'.
17203 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17204 (output_loc_list): Use have_multiple_function_sections.
17205 (output_ranges): Likewise.
17206 (dwarf2out_begin_function): Set have_multiple_function_sections if
17208 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17209 Check function_section rather than DECL_SECTION_NAME.
17210 (dwarf2out_finish): Use have_multiple_function_sections.
17211 Don't clear have_location_lists.
17213 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
17214 Jan Hubicka <jh@suse.cz>
17216 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17217 case of conditional jump jumping to the next instruction.
17218 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17219 cases of conditional jump jumping to the next instruction.
17221 2006-01-02 Jan Hubicka <jh@suse.cz>
17223 * i386.c (*_cost): Add COSTS_N_INSNS.
17224 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17226 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
17229 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17231 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17233 * config/arm/arm.c (all_fpus): Fix comment typo.
17234 * config/darwin.c: Likewise.
17235 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17236 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17237 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17239 2006-01-01 David Edelsohn <edelsohn@gnu.org>
17241 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17242 (rs6000_split_compare_and_swapqhi): New.
17243 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17244 (sync_compare_and_swapqhi_internal): New.
17245 * config/rs6000/rs6000-protos.h: Declare.