1 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
4 (x86_64-*-*): Likewise.
6 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
7 (override_options): Check SSSE3.
8 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
9 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
10 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
11 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
12 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
13 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
14 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
15 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
16 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
17 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
18 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
19 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
20 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
21 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
22 IX86_BUILTIN_PABSD128.
23 (bdesc_2arg): Add SSSE3.
24 (bdesc_1arg): Likewise.
25 (ix86_init_mmx_sse_builtins): Support SSSE3.
26 (ix86_expand_builtin): Likewise.
27 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
29 * config/i386/i386.md (UNSPEC_PSHUFB): New.
30 (UNSPEC_PSIGN): Likewise.
31 (UNSPEC_PALIGNR): Likewise.
32 Include mmx.md before sse.md.
34 * config/i386/i386.opt: Add -mssse3.
36 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
37 (ssse3_phaddwv4hi3): Likewise.
38 (ssse3_phadddv4si3): Likewise.
39 (ssse3_phadddv2si3): Likewise.
40 (ssse3_phaddswv8hi3): Likewise.
41 (ssse3_phaddswv4hi3): Likewise.
42 (ssse3_phsubwv8hi3): Likewise.
43 (ssse3_phsubwv4hi3): Likewise.
44 (ssse3_phsubdv4si3): Likewise.
45 (ssse3_phsubdv2si3): Likewise.
46 (ssse3_phsubswv8hi3): Likewise.
47 (ssse3_phsubswv4hi3): Likewise.
48 (ssse3_pmaddubswv8hi3): Likewise.
49 (ssse3_pmaddubswv4hi3): Likewise.
50 (ssse3_pmulhrswv8hi3): Likewise.
51 (ssse3_pmulhrswv4hi3): Likewise.
52 (ssse3_pshufbv16qi3): Likewise.
53 (ssse3_pshufbv8qi3): Likewise.
54 (ssse3_psign<mode>3): Likewise.
55 (ssse3_psign<mode>3): Likewise.
56 (ssse3_palignrti): Likewise.
57 (ssse3_palignrdi): Likewise.
58 (abs<mode>2): Likewise.
59 (abs<mode>2): Likewise.
61 * config/i386/tmmintrin.h: New file.
63 * doc/extend.texi: Document SSSE3 built-in functions.
65 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
67 2006-10-22 Ira Rosen <irar@il.ibm.com>
69 * tree-vect-transform.c (vectorizable_load): Use the type of the
70 return value of the mask_for_load builtin to create realign_load
73 2006-10-22 Richard Sandiford <richard@codesourcery.com>
75 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
78 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
80 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
82 * config/i386/sse.md (sse3_lddqu): Updated.
84 2006-10-21 Richard Guenther <rguenther@suse.de>
86 * builtins.c (expand_builtin_int_roundingfn_2): New function.
87 (expand_builtin): Use it to expand lrint instead of
88 expand_builtin_mathfn.
90 2006-10-21 Uros Bizjak <uros@kss-loka.si>
93 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
94 flag_unsafe_math_optimizations is set.
96 2006-10-21 Uros Bizjak <uros@kss-loka.si>
99 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
100 patterns to use memory input operand in x87->mem->XMM
101 reload sequences. Skip transformation for TARGET_K8.
103 2006-10-21 Uros Bizjak <uros@kss-loka.si>
105 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
106 force operand1 to register if both operands are memory operands.
107 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
108 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
109 if both operands are memory operands.
110 (truncdfsf2): Do not force operand1 to register if both operands
113 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
115 * Makefile.in (LIBS): Add $(GMPLIBS).
116 * doc/install.texi: Update GMP and MPFR requirements.
117 * doc/sourcebuild.texi (need_gmp): Delete.
119 2006-10-21 Richard Guenther <rguenther@suse.de>
121 PR tree-optimization/3511
122 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
123 got new invariant arguments during PHI translation.
125 2006-10-21 Richard Guenther <rguenther@suse.de>
128 * fold-const.c (fold_comparison): Fold signed comparisons
129 of the form X +- C1 CMP Y +- C2.
131 2006-10-21 Richard Guenther <rguenther@suse.de>
134 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
135 if flag_unsafe_math_optimizations is specified. We have
136 flag_finite_math_only for that.
137 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
138 or flag_unsafe_math_optimizations.
140 2006-10-21 Richard Guenther <rguenther@suse.de>
142 * builtins.c (fold_builtin_classify): Fix typo.
144 2006-10-21 Richard Guenther <rguenther@suse.de>
147 * simplify-rtx.c (simplify_const_relational_operation):
148 Do not constant-fold ORDERED and UNORDERED for
149 flag_unsafe_math_optimizations but only we do not need to
150 honor NaNs for the given mode.
152 2006-10-21 Richard Guenther <rguenther@suse.de>
155 * config/i386/i386.c (classify_argument): Remove redundant
156 walking of the BINFOs.
157 (contains_128bit_aligned_vector_p): Likewise.
159 2006-10-20 Mark Mitchell <mark@codesourcery.com>
161 * BASE-VER: Set to 4.3.0.
163 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
165 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
166 (tree_decl_with_vis): Remove artificial_pta_var flag.
167 * tree-flow.h (referenced_var_check_and_insert): Expose.
168 (nonlocal_all): New prototype.
169 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
170 (nonlocal_all): Make global.
171 (nonlocal_lookup): Remove.
172 (nonlocal_insert): Ditto.
173 (create_nonlocal_var): Do not call nonlocal_insert.
174 (get_nonlocal_id_for_type): Remove.
175 (find_global_initializers): Mark new vars we find for renaming.
176 (intra_create_variable_infos): Only create one nonlocal.
177 (expand_nonlocal_solutions): Remove.
178 (compute_points_to_sets): Don't call it.
179 (ipa_pta_execute): Ditto.
180 (init_alias_heapvars): Don't create nonlocal_for_type.
181 (delete_alias_heapvars): Don't remove it.
182 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
185 2006-10-19 Brooks Moses <bmoses@stanford.edu>
187 * doc/install.texi (Downloading GCC): Clarify mention of
188 Fortran in the "full distribution" description.
190 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
192 Fix PR tree-optimization/28778
193 Fix PR tree-optimization/29156
194 Fix PR tree-optimization/29415
195 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
196 (tree_decl_with_vis): Add artificial_pta_var flag.
197 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
199 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
200 (nonlocal_all): Ditto.
201 (struct variable_info): Add directly_dereferenced member.
202 (var_escaped_vars): New variable.
203 (escaped_vars_tree): Ditto.
204 (escaped_vars_id): Ditto.
205 (nonlocal_vars_id): Ditto.
206 (new_var_info): Set directly_dereferenced.
207 (graph_size): New variable
208 (build_constraint_graph): Use graph_size.
209 (solve_graph): Don't process constraints that cannot change the
210 solution, don't try to propagate an empty solution to our
212 (process_constraint): Set directly_dereferenced.
213 (could_have_pointers): New function.
214 (get_constraint_for_component_ref): Don't process STRING_CST.
215 (nonlocal_lookup): New function.
216 (nonlocal_insert): Ditto.
217 (create_nonlocal_var): Ditto.
218 (get_nonlocal_id_for_type): Ditto.
219 (get_constraint_for): Allow results vector to be empty in the case
221 Handle results of calls properly.
222 (update_alias_info): Update alias info stats on number and type of
224 (find_func_aliases): Use could_have_pointers.
225 (make_constraint_from_escaped): Renamed from
226 make_constraint_to_anything, and changed to make constraints from
228 (make_constraint_to_escaped): New function.
229 (find_global_initializers): Ditto.
230 (create_variable_info_for): Make constraint from escaped to any
231 global variable, and from any global variable to the set of
233 (intra_create_variable_infos): Deal with escaped instead of
234 pointing to anything.
235 (set_uids_in_ptset): Do type pruning on directly dereferenced
237 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
238 (init_base_vars): Fix comment, and initialize escaped_vars.
239 (need_to_solve): Removed.
240 (find_escape_constraints): New function.
241 (expand_nonlocal_solutions): Ditto.
242 (compute_points_to_sets): Call find_escape_constraints and
243 expand_nonlocal_solutions.
244 (delete_points_to_sets): Don't fall off the end of the graph.
245 (init_alias_heapvars): Initialize nonlocal_for_type and
247 (delete_alias_heapvars): Free nonlocal_for_type and null out
250 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
252 * fold-const.c (add_double): Rename to add_double_with_sign.
253 Add 'unsigned_p' parameter and take it into account for the overflow.
254 (mul_double): Rename to mul_double_with_sign.
255 Add 'unsigned_p' parameter and take it into account for the overflow.
256 (fold_div_compare): Call add_double_with_sign instead of add_double
257 and mul_double_with_sign instead of mul_double, passing them the
258 unsignedness of the type.
259 * tree.h (add_double): Macroize.
260 (add_double_with_sign): New prototype.
261 (mul_double): Macroize.
262 (mul_double_with_sign): New prototype.
264 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
266 * config/score/crti.asm: New file.
267 * config/score/crtn.asm: New file.
268 * config/score/elf.h: New file.
269 * config/score/mac.md: New file.
270 * config/score/misc.md: New file.
271 * config/score/mul-div.S: New file.
272 * config/score/predicates.md: New file.
273 * config/score/score7.md: New file.
274 * config/score/score.c: New file.
275 * config/score/score-conv.h: New file.
276 * config/score/score.h: New file.
277 * config/score/score.md: New file.
278 * config/score/score-mdaux.c: New file.
279 * config/score/score-mdaux.h: New file.
280 * config/score/score-modes.def: New file.
281 * config/score/score.opt: New file.
282 * config/score/score-protos.h: New file.
283 * config/score/score-version.h: New file.
284 * config/score/t-score-elf: New file.
285 * config.gcc: Add score*-*-* configurations(Update before).
286 * doc/invoke.texi (Score Options): New section.
287 * doc/md.texi (Score family): New section to document constraints.
289 2006-10-19 Nick Clifton <nickc@redhat.com>
291 * config/arm/arm.c: Fix spelling typo.
293 2006-10-18 Tom Tromey <tromey@redhat.com>
295 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
297 2006-10-18 Jan Hubicka <jh@suse.cz>
300 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
303 2006-10-18 Marcin Dalecki <martin@dalecki.de>
305 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
306 TSI_SAME_STMT, since that's the desired entity.
308 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
310 * config/s390/contraints.md: New file.
311 * config/s390/s390-protos.h (s390_mem_constraint,
312 s390_O_constraint_str, s390_N_constraint_str,
313 s390_float_const_zero_p): Function prototypes added.
314 * config/s390/s390.c (s390_extra_constraint_str,
315 s390_const_double_ok_for_constraint_p,
316 s390_const_ok_for_constraint_p): Functions removed.
317 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
318 s390_float_const_zero_p): New functions.
319 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
320 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
321 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
322 Macro definitions removed.
323 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
324 s390_extra_constraint_str): Functions removed.
326 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
327 Richard Sandiford <richard@codesourcery.com>
330 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
331 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
333 2006-10-16 Geoffrey Keating <geoffk@apple.com>
335 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
336 (DWARF2_FRAME_REG_OUT): Likewise.
337 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
338 (DWARF2_FRAME_REG_OUT): Likewise.
340 2006-10-17 Paul Brook <paul@codesourcery.com>
342 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
344 2006-10-16 Brooks Moses <bmoses@stanford.edu>
346 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
347 Standardize on "GNU Fortran" as the official name of the Fortran
350 2006-10-16 Mike Stump <mrs@apple.com>
352 * doc/invoke.texi (Darwin Options): Document -mkernel.
353 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
355 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
356 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
357 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
358 (OS_MISSING_ALTIVEC): Add.
359 * config/i386/i386.c (override_options): Add
360 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
361 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
362 -mkernel, -static or -mdynamic-no-pic is given.
363 (C_COMMON_OVERRIDE_OPTIONS): Add.
364 * config/darwin.opt (fapple-kext): Add.
366 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
367 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
369 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
370 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
371 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
372 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
373 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
375 (flag_apple_kext): Add.
376 (TARGET_KEXTABI): Add.
377 * config/darwin.c (darwin_handle_kext_attribute): Add.
378 (DARWIN_VTABLE_P): Add.
379 (darwin_binds_local_p): Add partial support for rebinding vtables
381 (darwin_kextabi_p): Add.
382 (darwin_override_options): Add.
383 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
384 (darwin_kextabi_p): Add.
385 (darwin_override_options): Add.
386 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
387 __DYNAMIC__ and __STATIC__ here.
389 2006-10-16 Brooks Moses <bmoses@stanford.edu>
391 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
392 Added mention of "make pdf" target, and Texinfo requirements for
395 2006-10-16 DJ Delorie <dj@redhat.com>
397 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
398 into the GOT in case we need a subreg of the address.
400 2006-10-16 Richard Guenther <rguenther@suse.de>
403 * doc/extend.texi (X86 Built-in Functions): Fix typos in
404 SSE builtin documentation. Document SSE2 builtins.
406 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
408 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
409 symbol in the output file for non-shared links when -nostdlib or
410 -nodefaultlibs isn't specified.
412 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
413 posix thread support.
415 2006-10-15 Jan Hubicka <jh@suse.cz>
418 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
419 declared always_inline even when not inlining.
421 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
422 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
423 Andrew Pinski <pinskia@gmail.com>
426 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
428 2006-10-15 Jan Hubicka <jh@suse.cz>
429 Richard Guenther <rguenther@suse.de>
432 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
433 process_function_and_variable_attributes on all variables, including
434 those discovered during cgraph construction phase.
436 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
438 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
440 2006-10-14 Uros Bizjak <uros@kss-loka.si>
442 * config/i386/athlon.md (athlon_fist): Add fisttp.
444 2006-10-13 David Edelsohn <edelsohn@gnu.org>
445 Ian Lance Taylor <ian@airs.com>
448 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
449 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
452 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
454 * config/score/score.c, config/score/score.h: Fix comment
457 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
460 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
463 2006-10-13 Eric Christopher <echristo@apple.com>
465 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
467 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
470 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
471 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
472 alignment supported by 32-bit ELF.
474 2006-10-13 Eric Christopher <echristo@apple.com>
476 * config/darwin.c (darwin_emit_unwind_label): Strip
477 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
479 2006-10-13 Richard Guenther <rguenther@suse.de>
481 PR tree-optimization/29446
482 * tree-vrp.c (fix_equivalence_set): Remove.
483 (extract_range_from_assert): Do not call fix_equivalence_set.
484 (debug_value_range): Print a newline.
485 (compare_name_with_value): For equivalence sets with
486 inconsistent value ranges conservatively bail out.
487 (compare_names): Likewise.
489 2006-10-13 David Edelsohn <edelsohn@gnu.org>
491 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
492 and MPFR for gfortran.
494 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
496 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
497 alignment supported by 32-bit ELF.
499 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
503 * c-typeck.c (digest_init): Always allow initializing vectors
504 that have static storage duration with compound literals.
505 * tree.c (build_type_attribute_qual_variant): New, based on
506 build_type_attribute_variant.
507 (build_type_attribute_variant): Rewrite using the former.
508 (make_vector_type): Use build_type_attribute_qual_variant to build
509 type variants. Use type_hash_canon on the others.
511 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
512 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
514 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
516 2006-10-12 Jan Hubicka <jh@suse.cz>
519 * c-decl.c (c_make_fname_decl): Do not segfault in case where
520 current_function_decl is set but current_function_scope is not.
522 2006-10-12 Jie Zhang <jie.zhang@analog.com>
524 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
525 emit_insn to emit eh_return_internal instruction.
526 (eh_return_internal): Explicitly set pc.
528 2006-10-11 Richard Guenther <rguenther@suse.de>
530 PR tree-optimization/28230
531 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
532 to the correct place.
534 2006-10-11 Richard Guenther <rguenther@suse.de>
537 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
540 2006-10-10 Brooks Moses <bmoses@stanford.edu>
542 * configure.ac: Added pdf to "Make-hooks"
543 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
544 targets and *.pdf file patterns in cleanup targets.
545 * configure: Regenerated.
547 2006-10-10 Anatoly Sokolov <aesok@post.ru>
549 * config/avr/predicates.md: New file.
550 * config/avr/avr.md: Include it.
551 (REG_SP): New constant.
552 (peepholes): Use predicates.
553 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
554 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
555 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
557 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
559 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
562 2006-10-10 Jakub Jelinek <jakub@redhat.com>
565 * builtins.c (var_decl_component_p): New function.
566 (fold_builtin_memset, fold_builtin_memory_op): Restrict
567 single entry optimization to variables and components thereof.
569 2006-10-10 Richard Guenther <rguenther@suse.de>
571 PR rtl-optimization/29323
572 * except.c (set_nothrow_function_flags): For functions
573 that do not bind local bail out early.
575 2006-10-10 Ben Elliston <bje@au.ibm.com>
577 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
580 2006-10-09 Richard Henderson <rth@redhat.com>
584 2006-10-09 Richard Guenther <rguenther@suse.de>
587 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
590 2006-10-09 Steve Ellcey <sje@cup.hp.com>
593 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
594 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
595 * configure: Regenerate.
596 * config.in: Regenerate.
598 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
600 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
602 2006-10-08 Richard Sandiford <richard@codesourcery.com>
604 * config/mips/mips.c (mips_legitimize_tls_address): Implement
605 all TLS models in the same way as local exec if !TARGET_ABICALLS.
606 Remove stray newline.
608 2006-10-08 Richard Sandiford <richard@codesourcery.com>
610 * config/mips/mips.c (mips_classify_symbol): Do not return
611 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
612 (mips_in_small_data_p): Tweak comments.
614 2006-10-08 Richard Sandiford <richard@codesourcery.com>
616 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
618 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
620 * gimplify.c, sched-int.h: Fix comment typos.
622 * sched-int.h: Fix comment typos.
624 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
626 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
628 * sched-ebb.c (begin_schedule_ready): Use them.
629 * haifa-sched.c (schedule_insn, move_insn, try_ready,
630 add_to_speculative_block, create_check_block_twin, speculate_insn,
631 fix_jump_move, move_block_after_check): Ditto.
632 * sched-rgn.c (new_ready): Ditto.
634 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
636 PR rtl-optimization/29128
637 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
638 * sched-ebb.c (advance_target_bb): Use it to fix condition to
639 allow interblock movement of speculation checks.
641 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
644 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
645 casted to integer type.
646 (get_address_cost): Decrease cost of [symbol + index] addressing modes
647 if they are significantly more expensive than [reg + index] ones.
649 2006-10-06 Jakub Jelinek <jakub@redhat.com>
651 PR tree-optimization/29330
652 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
653 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
654 on newly allocated ddrs.
655 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
656 to VEC (loop_p, heap) pointer.
657 (compute_data_dependences_for_loop): Adjust caller.
658 (free_dependence_relations): Free DDR_LOOP_NEST.
660 * tree-loop-linear.c (linear_transform_loops): Don't forget to
661 free DEPENDENCE_RELATIONS and DATAREFS.
664 * builtins.c (expand_builtin_sync_operation,
665 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
666 Use convert_to_mode to handle promoted arguments.
668 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
670 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
672 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
674 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
676 2006-10-05 Uros Bizjak <uros@kss-loka.si>
678 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
679 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
680 Use <modeconstraint> instead of "r" as operand 1 constraint.
682 2006-10-06 Olivier Hainque <hainque@adacore.com>
684 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
685 Don't recurse on the pointed-to type.
686 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
687 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
688 types with components of variable size.
690 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
692 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
694 2006-10-06 Jakub Jelinek <jakub@redhat.com>
696 PR tree-optimization/29290
697 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
701 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
702 * config/i386/predicates.md (local_symbolic_operand): Likewise.
705 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
706 the number of vector elements fill the rest with zeros.
708 2006-10-05 Richard Sandiford <richard@codesourcery.com>
710 * config/mips/mips.c (mips_pass_by_reference): Do not return false
711 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
714 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
716 * config/bfin/bfin.md (subsi3): Lose expander, change previously
717 unnamed pattern into subsi3. Use correct constraints/predicates.
718 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
719 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
721 2006-10-05 Ira Rosen <irar@il.ibm.com>
723 * doc/loop.texi: Add data references analysis description.
725 2006-10-04 Brooks Moses <bmoses@stanford.edu>
727 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
729 2006-10-04 Richard Henderson <rth@redhat.com>
730 Jakub Jelinek <jakub@redhat.com>
732 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
733 * builtin-types.def (BT_WORD): Make unsigned.
734 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
735 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
736 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
737 * c-decl.c (grokdeclarator): Don't error if !have_tls.
738 * c-parser.c (c_parser_omp_threadprivate): Likewise.
739 * cgraph.c (decide_is_variable_needed): Look at force_output.
740 Recurse for emulated tls.
741 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
742 checks redundant with decide_is_variable_needed.
743 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
744 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
746 * expr.c (emutls_var_address): New.
747 (expand_expr_real_1): Expand emulated tls.
748 (expand_expr_addr_expr_1): Likewise.
749 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
750 * output.h (emutls_finish): Declare.
751 * toplev.c (compile_file): Call it.
752 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
753 address before wrapping in CONST.
754 * varasm.c (emutls_htab, emutls_object_type): New.
755 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
756 (get_emutls_object_name, get_emutls_object_type): New.
757 (get_emutls_init_templ_addr, emutls_decl): New.
758 (emutls_common_1, emutls_finish): New.
759 (assemble_variable): When emulating tls, swap decls; generate
760 constructor for the emutls objects.
761 (do_assemble_alias): When emulating tls, swap decl and target name.
762 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
764 * emutls.c: New file.
765 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
766 tls_object for real tls.
768 2006-10-04 Zack Weinberg <zackw@panix.com>
770 Fix bug in constraint-check generator, reported by Rask Ingemann
772 * genpreds.c (add_constraint): Don't remove anything from the
774 (write_tm_constrs_h): Detect whether "op" argument is used, and
775 mark it ARG_UNUSED if it isn't.
776 (write_insn_const_int_ok_for_constraint): Skip the part of the
777 expression that would test whether "op" (which is not available
778 here) is a CONST_INT.
780 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
783 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
785 2006-10-03 Geoffrey Keating <geoffk@apple.com>
787 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
788 current Leopard versions.
789 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
791 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
793 * doc/install.texi: Fix typos.
795 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
797 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
798 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
799 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
801 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
803 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
804 arg to be struct mach_header_64* instead.
806 2006-10-02 Jakub Jelinek <jakub@redhat.com>
809 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
810 side effects after the outer expression's post side effects.
812 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
814 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
815 comments to reflect actual behavior and relationship between
816 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
818 * doc/c-tree.texi (Working with declarations): Fix documentation
819 of FIELD_DECL likewise.
821 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
824 * doc/extend.texi: Add used variable attribute description.
826 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
829 * c.opt (Woverride-init): New.
830 * c-opts.c (c_common_post_options): Default warn_override_init to
832 * c-typeck.c (add_pending_init, output_init_element): Warn for
833 overriding initializers without side effects.
834 * doc/invoke.texi (-Woverride-init): Document.
837 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
839 PR rtl-optimization/28096
840 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
841 assignment has already been used as a destination earlier in the block.
843 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
845 * builtins.c (expand_builtin_setjmp): Delete.
846 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
847 <BUILT_IN_SETJMP_SETUP>: New case.
848 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
849 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
850 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
851 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
852 (BUILT_IN_SETJMP_RECEIVER): Likewise.
853 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
854 (lower_function_body): Initialize it to false. If it is set to true
855 at the end of the processing, emit the setjmp dispatcher.
856 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
857 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
858 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
859 on the rhs of the assignment.
860 (lower_builtin_setjmp): New function.
861 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
862 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
863 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
864 to detect calls that can go to non-local labels. Use specific
865 helper to create the abnormal edges associated with them.
866 <MODIFY_EXPR>: Likewise.
867 (make_abnormal_goto_edges): New function extracted from...
868 (make_goto_expr_edges): ...here. Call it for computed gotos.
869 (simple_goto_p): Minor tweak.
870 (tree_can_make_abnormal_goto): New predicate.
871 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
872 (tree_purge_dead_abnormal_call_edges): New function.
873 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
874 (tree_purge_dead_abnormal_call_edges): Likewise.
875 (make_abnormal_goto_edges): Likewise.
876 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
877 Purge all dead abnormal edges if the call was in the last statement.
878 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
879 (execute_fixup_cfg): If there are non-local labels in the function,
880 scan the basic blocks and split them at calls that can go to non-local
881 labels or add missing abnormal call edges. Write down the CFG in the
883 (pass_fixup_cfg): Remove TODO_dump_func flag.
884 * unwind-sjlj.c: Poison setjmp.
885 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
886 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
887 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
888 (DONT_USE_BUILTIN_SETJMP): Document it.
890 2006-09-28 Geoffrey Keating <geoffk@apple.com>
893 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
894 to 1 when __ppc64__ is defined.
895 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
897 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
899 2006-09-28 Steve Ellcey <sje@cup.hp.com>
901 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
902 * config/ia64/unwind-hpux.c: Delete.
904 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
906 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
907 on the element before gimplifying it, instead of punting if it is of
910 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
912 * doc/loop.texi: New file.
913 * doc/gccint.texi: Reference loop.texi.
914 * Makefile.in (loop.texi): Add.
916 2006-09-27 Geoffrey Keating <geoffk@apple.com>
918 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
920 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
921 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
923 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
925 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
927 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
929 * doc/install.texi: Document required versions of GMP and MPFR.
931 2006-09-27 Paul Brook <paul@codesourcery.com>
934 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
936 2006-09-27 Richard Sandiford <richard@codesourcery.com>
938 * reload1.c (alter_reg): Require the alignment of the stack slot to
939 be at least reg_max_ref_width bytes.
940 (scan_paradoxical_subregs): Record the largest width in
943 2006-09-26 Jakub Jelinek <jakub@redhat.com>
947 * tree-nested.c (struct nesting_info): Added static_chain_added.
948 (convert_call_expr): Set static_chain_added when adding static
949 chain. Handle OMP_PARALLEL and OMP_SECTION.
951 2006-09-25 Matthias Klose <doko@debian.org>
953 * doc/invoke.texi: Add missing full stop.
955 2006-09-25 Richard Henderson <rth@redhat.com>
957 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
958 before cgraph_function_flags_ready.
960 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
961 Adam Nemet <anemet@caviumnetworks.com>
963 * tree-ssa-loop-ivopts.c (aff_combination_convert,
964 determine_common_wider_type): New functions.
965 (get_computation_aff): Use them to simplify arithmetic between
966 UBASE and CBASE if they are shortened from the same type.
968 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
971 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
972 -2147483647 - 1 instead of 0x80000000.
974 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
976 * flags.h (HONOR_NANS): Fix typo in comment.
978 2006-09-23 Uros Bizjak <uros@kss-loka.si>
980 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
982 2006-09-23 Jakub Jelinek <jakub@redhat.com>
986 * tree.c (merge_attributes, attribute_list_contained): If both
987 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
989 * c-typeck.c (comptypes_internal): Don't consider aggregates
990 in different TUs as compatible if there one set of attributes is
991 not a subset of the other type's attributes.
992 (composite_type): Try harder not to create a new aggregate type.
994 2006-09-22 Geoffrey Keating <geoffk@apple.com>
996 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
997 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
998 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
999 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1000 than replicating condition above.
1001 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1003 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1004 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
1005 the linker by default.
1007 2006-09-22 Mike Stump <mrs@apple.com>
1009 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
1012 2006-09-22 Richard Guenther <rguenther@suse.de>
1015 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
1016 sort of stack variables stable.
1018 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
1021 * explow.c (force_reg): Set REG_POINTER flag according to
1024 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
1026 PR tree-optimization/28888
1027 * tree-if-conv.c (combine_blocks): Rewritten.
1028 * tree-cfg.c (tree_verify_flow_info): Check that edges with
1029 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
1031 2006-09-22 Jakub Jelinek <jakub@redhat.com>
1033 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
1036 2006-09-21 Richard Sandiford <richard@codesourcery.com>
1038 * varasm.c (copy_constant): Fix reversed gcc_assert check.
1040 2006-09-21 Janis Johnson <janis187@us.ibm.com>
1042 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
1044 2006-09-21 Roger Sayle <roger@eyesopen.com>
1047 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
1048 dw_fde_current_label, to be the start of the function, i.e. the same
1049 value as dw_fde_begin.
1051 2006-09-20 Richard Sandiford <richard@codesourcery.com>
1053 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
1054 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
1055 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
1056 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
1057 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
1058 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
1059 (abs<mode>2, neg<mode>2): Likewise.
1060 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
1061 (*mips_abs_ps): New define_insn.
1063 2006-09-20 Josh Conner <jconner@apple.com>
1066 * calls.c (expand_call): Allow reuse of structure return stack
1069 2006-09-20 Paul Brook <paul@codesourcery.com>
1071 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
1074 2006-09-20 Janis Johnson <janis187@us.ibm.com>
1076 * doc/extend.texi (Decimal Float): Update for latest draft TR,
1077 clean up terminology.
1079 2006-09-20 Steve Ellcey <sje@cup.hp.com>
1082 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
1083 with tablejumps in them.
1085 2006-09-20 Jakub Jelinek <jakub@redhat.com>
1088 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
1089 wrap it into TARGET_EXPR.
1091 2006-09-20 Eric Christopher <echristo@apple.com>
1093 * config/i386/i386.c (x86_fisttp): Remove.
1094 * config/i386/i386.h (x86_fisttp): Ditto.
1095 (TARGET_FISTTP): Ditto.
1097 2006-09-19 Eric Christopher <echristo@apple.com>
1099 * doc/tm.texi (OBJC_JBLEN): Describe.
1100 * config/i386/darwin.h (OBJC_JBLEN): Define.
1101 * config/rs6000/darwin.h: Ditto.
1103 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
1105 PR rtl-optimization/21299
1106 * reload1.c (reload): Purge invalid ASMs in the final pass.
1108 2006-09-19 Steve Ellcey <sje@cup.hp.com>
1111 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
1112 pointers as legitimate constants.
1114 2006-09-19 Paul Brook <paul@codesourcery.com>
1117 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
1119 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
1121 PR tree-optimization/28887
1122 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
1123 component parts from the reference.
1124 (gather_memory_references_ref): Record the reference without the
1125 nonaddressable component parts.
1127 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
1130 * c-opts.c (c_common_handle_option): Ignore the -std options
1131 if the input language is assembly.
1133 2006-09-17 Ira Rosen <irar@il.ibm.com>
1136 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
1138 (ptr_ptr_may_alias_p): Likewise.
1139 (record_record_differ_p): New function.
1140 (base_object_differ_p): Call record_record_differ_p.
1142 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1145 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
1146 away for the expr argument.
1148 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1151 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
1152 before using it for dumping after vectorizing loops.
1154 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1155 Jack Howarth <howarth@bromo.med.uc.edu>
1158 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
1159 skip on error_mark_node.
1160 (rs6000_darwin64_record_arg_recurse): Likewise.
1162 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1164 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
1165 * doc/rtl.texi: Remove related documentation.
1167 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
1169 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
1172 2006-09-15 Jim Wilson <wilson@specifix.com>
1174 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
1175 Handle symbol offsets same as they are handled in ia64_expand_move
1178 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
1180 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
1181 Add forgotten parameter to the fprintf call.
1183 2006-09-15 Steve Ellcey <sje@cup.hp.com>
1185 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
1187 2006-09-15 Uros Bizjak <uros@kss-loka.si>
1189 * doc/contrib.texi: Add my entry.
1191 2006-09-15 Nick Clifton <nickc@redhat.com>
1193 * doc/md.texi (Processor pipeline description): Fix typo in
1194 example of how to use the absence_set directive and reword the
1195 description to make it slightly easier to read.
1197 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
1199 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
1200 * loop-doloop.c (doloop_optimize): Use it to limit costs of
1201 expanding the number of iterations.
1202 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
1204 * cfgrtl.c (emit_insn_at_entry): New function.
1205 * rtl.h (emit_insn_at_entry): Declare it.
1206 * integrate.c (emit_initial_value_sets): Use it.
1208 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
1210 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
1212 (struct loop_work and related VEC declarations): Delete.
1213 (bfin_dump_loops): Print out new member bad.
1214 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
1215 (bfin_scan_loop): Don't recurse.
1216 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
1217 loops. No longer need to update outer loops if the current one is
1218 found bad. Move some validitiy checks to bfin_discover_loop.
1219 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
1220 but changed not to check for nesting. Also changed to use the new bad
1222 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
1223 time. Use bitmap based test to discover loop nesting.
1225 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
1227 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
1230 2006-09-14 Richard Guenther <rguenther@suse.de>
1231 Kazu Hirata <kazu@codesourcery.com>
1233 PR middle-end/28884.
1234 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
1235 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
1236 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
1237 with TARGET_FUNCTION_VALUE.
1239 2006-09-14 Anatoly Sokolov <aesok@post.ru>
1242 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
1244 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
1246 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
1249 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1252 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
1255 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1257 * basic_block.h (bb_has_eh_pred): Fix comment.
1259 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1261 * flow.c (calculate_global_regs_live): Invalidate eh registers
1262 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
1263 (propagate_block): Handle eh registers as if they were set at basic
1265 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
1267 * global.c (global_conflicts): Make eh registers to conflict with
1268 pseudos live at basic block begin.
1269 * basic_block.h (bb_has_eh_pred): New function.
1271 2006-09-13 Richard Sandiford <richard@codesourcery.com>
1273 PR rtl-optimization/28982
1274 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
1275 index of a PRE_MODIFY or POST_MODIFY address.
1276 * reload1.c (inc_for_reload): Use find_replacement on the original
1277 base and index registers.
1279 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
1281 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
1282 for -Os. Update __m128 alignment requirement.
1284 2006-09-13 Jan Hubicka <jh@suse.cz>
1286 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
1288 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1290 PR rtl-optimization/28243
1291 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
1292 the insn to which the note was originally attached.
1294 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1295 Roger Sayle <roger@eyesopen.com>
1297 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
1298 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
1299 on platforms that don't use dwarf for debug info.
1301 2006-09-12 Jason Merrill <jason@redhat.com>
1304 * builtins.c (expand_builtin_setjmp_receiver): Clobber
1305 hard_frame_pointer_rtx after using it to update the frame pointer.
1307 2006-09-12 Roger Sayle <roger@eyesopen.com>
1309 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
1310 (TARGET_ASM_CLOSE_PAREN): Likewise.
1311 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
1312 (TARGET_ASM_CLOSE_PAREN): Likewise.
1314 2006-09-12 Roger Sayle <roger@eyesopen.com>
1317 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
1318 frame information for frames larger than 512 Kbytes on Tru64 when
1319 using the native assembler.
1321 2006-09-12 Roger Sayle <roger@eyesopen.com>
1325 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
1326 and symbols. Instead use the implementation from cse.c's hash_rtx.
1328 2006-09-12 Jan Hubicka <jh@suse.cz>
1330 PR rtl-optimization/28071
1331 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
1332 (vect_transform_loop): Likewise.
1333 * tree-vectorizer.c (new_loop_vec_info): Likewise.
1334 (new_loop_vec_info): Likewise.
1335 (destroy_loop_vec_info): Likewise.
1336 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
1337 (create_stmt_ann): Likewise.
1338 (create_tree_ann): Rename to ...
1339 (create_tree_common_ann): ... this one; allocate only the common part
1341 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
1342 (get_value_handle): Likewise.
1343 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
1344 get_tree_common_ann.
1345 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
1346 (vinfo_for_stmt): Use stmt annotations.
1347 * tree-flow.h (tree_ann_common_t): New type.
1348 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
1349 (tree_ann, get_tree_ann, create_tree_ann): New.
1350 * tree-flow-inline.h (get_function_ann): Do more type checking.
1351 (stmt_ann): Likewise.
1352 (tree_ann): Rename to ...
1353 (tree_common_ann): ... this one; return ony common_ann
1354 (get_tree_ann): Rename to ...
1355 (tree_common_ann): This one; return only common_ann.
1356 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
1359 2006-09-11 Geoffrey Keating <geoffk@apple.com>
1361 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
1362 with_cpu by default.
1364 * dwarf2out.c (dwarf_file_data): New.
1365 (enum dw_val_class): Add dw_val_class_file.
1366 (struct dw_val_struct): Add val_file.
1367 (file_table): Change to a hash table.
1368 (file_table_emitted): Delete.
1369 (file_table_last_lookup_index): Delete.
1370 (emitcount): Delete.
1371 (last_emitted_file): New.
1372 (lookup_filename): Change prototype to return a struct dwarf_file_data.
1373 (init_file_table): Delete.
1374 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
1375 (AT_addr): Add comment.
1379 (print_die): Handle dw_val_class_file.
1380 (print_dwarf_line_table): Update for new file table structure.
1381 (attr_checksum): Do checksum a filename.
1382 (same_dw_val_p, same_attr_p): Do compare a filename.
1383 (size_of_die): Handle dw_val_class_file.
1384 (value_format): Likewise.
1385 (output_die): Likewise. Also, call maybe_emit_file here.
1386 (struct file_info): Constify filenames. Make file_idx a pointer
1387 to a struct dwarf_file_data.
1388 (struct dir_info): Constify directory names. Remove 'used' field.
1389 (struct file_name_acquire_data): New.
1390 (file_name_acquire): New.
1391 (output_file_names): Modify to handle new file data structures.
1392 (add_src_coords_attributes): Use add_AT_file.
1393 (add_call_src_coords_attributes): Likewise.
1394 (dwarf2out_imported_module_or_decl): Likewise.
1395 (gen_subprogram_die): Modify for new file data structures.
1396 (gen_variable_die): Likewise.
1397 (file_table_eq): New.
1398 (file_table_hash): New.
1399 (file_table_last_lookup): New.
1400 (lookup_filename): Rewrite to handle new file data structures.
1401 (maybe_emit_file): Rewrite to handle new file data structures.
1402 (dwarf2out_source_line): Always call lookup_filename and
1404 (dwarf2out_init): Create file_table here.
1405 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
1406 (file_table_relative_p): New.
1407 (dwarf2out_finish): Change detection of relative filenames
1408 to work with new file data structures. Move output_line_info call
1409 after debug_info output.
1411 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
1416 * config/i386/i386.c (override_options): Always default to 16
1417 byte stack boundary.
1419 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
1422 * var-tracking.c (dump_dataflow_set): Start dumping at
1424 (clobber_variable_part): Kill only the variable part in
1425 registers holding it, leaving other variables alone.
1427 2006-09-11 Josh Triplett <josh@freedesktop.org>
1429 * doc/extend.texi (Other Builtins): Actually use the macro
1430 argument in the documentation example for
1431 __builtin_types_compatible_p.
1433 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1435 PR rtl-optimization/28726
1436 * sched-deps.c (sched_analyze_reg): New function extracted from...
1437 (sched_analyze_1): ...here. Call it to analyze references to
1438 registers. Treat again writes to a stack register as writing to the
1440 (sched_analyze_2): ...and here. Call it to analyze references to
1441 registers. Treat again reads of a stack register as reading the
1444 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
1445 David Edelsohn <edelsohn@gnu.org>
1448 * config/rs6000/spe.md (frob_df_di): Remove %H.
1449 (frob_di_df): Remove %H. Change evmergelo to mr.
1450 (frob_di_df_2): Remove %H. Change evldd to two loads.
1452 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
1454 * doc/cpp.texi: Fix names of charset options.
1456 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
1459 * config/i386/i386.c (override_options): Use 128-bit
1460 stack boundary always for 64bits.
1462 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1464 PR rtl-optimization/28636
1465 * combine.c (force_to_mode): Test for side-effects before
1466 substituting by zero.
1467 (simplify_shift_const): Likewise for zero or other constants.
1469 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
1472 * builtins.c (expand_builtin_setjmp): Force next_lab to be
1475 2006-09-10 Richard Sandiford <richard@codesourcery.com>
1478 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
1479 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
1480 returned by mode_for_size, rather than the mode of src itself,
1481 to choose between 32-bit and 64-bit patterns.
1482 (mips_mem_fits_mode_p): New function.
1483 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
1484 that the size of the source matches the size of the destination.
1485 (mov_<store>l, mov_<store>r): Likewise.
1487 2006-09-10 Eric Christopher <echristo@apple.com>
1489 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
1492 2006-09-09 Eric Christopher <echristo@apple.com>
1495 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
1498 2006-09-09 Roger Sayle <roger@eyesopen.com>
1499 Nicolas Setton <setton@adacore.com>
1501 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
1503 2006-09-10 Andreas Schwab <schwab@suse.de>
1505 * config/m68k/m68k.md (bungt_rev): New pattern.
1507 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
1508 Dale Johannesen <dalej@apple.com>
1511 * regclass.c (struct reg_pref): Update documentation.
1512 (regclass): Set prefclass to NO_REGS if memory is the best option.
1513 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1515 2006-09-08 Eric Christopher <echristo@apple.com>
1517 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
1518 * config/t-slibgcc-darwin: Support x86_64 multilib.
1519 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
1520 Return 1 for x86_64-darwin.
1521 * config/i386/t-darwin: Add m64 multilib.
1522 (LIB2_SIDITI_CONV_FUNCS): Use.
1523 (LIB2FUNCS_EXTRA): Ditto.
1524 * config/i386/darwin.h: Support x86_64.
1525 * config/i386/i386.c (override_options): Turn on flag_pic
1526 for x86_64-darwin. Disable flag_omit_pointer.
1527 (get_pc_thunk_name): Assert !TARGET_64BIT.
1528 (legitimate_address_p): Disable machopic addressing for
1530 (legitimize_pic_address): Ditto.
1531 (ix86_expand_move): Ditto.
1532 (ix86_expand_call): Ditto.
1533 (machopic_output_stub): Ditto.
1534 * config/darwin.c (machopic_select_section): Support literal16.
1535 (machopic_select_rtx_section): Ditto.
1536 * config/darwin-sections.def: Ditto.
1537 * config/darwin-64.c: New.
1539 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
1542 * c-tree.h (struct c_arg_info): Add pending_sizes.
1543 * c-parser.c (c_parser_parms_declarator,
1544 c_parser_parms_list_declarator): Initialize pending_sizes.
1545 * c-decl.c (get_parm_info): Initialize pending_sizes.
1546 (get_parm_info): Set pending_sizes.
1547 (grokdeclarator): Call put_pending_sizes for parameters for
1548 function definition only.
1550 2006-09-07 Jason Merrill <jason@redhat.com>
1553 * varasm.c (output_constant): Only strip actual no-op conversions.
1556 * config/i386/i386.c (override_options): Use 128-bit
1557 stack boundary if -msse.
1559 2006-09-07 Eric Christopher <echristo@apple.com>
1561 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
1563 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
1566 2006-09-07 Geoffrey Keating <geoffk@apple.com>
1568 * dwarf2out.c: Remove strange characters from comment above
1569 dwarf2out_frame_debug_expr.
1571 2006-09-07 Eric Christopher <echristo@apple.com>
1573 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
1574 * config/darwin.h: ... to here.
1576 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
1578 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
1580 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
1581 (TARGET_PARTIAL_FLAG_REG_STALL): New.
1583 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
1584 TARGET_PARTIAL_FLAG_REG_STALL.
1585 (*ashldi3_cconly_rex64): Likewise.
1586 (*ashlsi3_cmp): Likewise.
1587 (*ashlsi3_cconly): Likewise.
1588 (*ashlsi3_cmp_zext): Likewise.
1589 (*ashlhi3_cmp): Likewise.
1590 (*ashlhi3_cconly): Likewise.
1591 (*ashlqi3_cmp): Likewise.
1592 (*ashlqi3_cconly): Likewise.
1593 (*ashrdi3_cmp_rex64): Likewise.
1594 (*ashrdi3_cconly_rex64): Likewise.
1595 (*ashrsi3_cmp): Likewise.
1596 (*ashrsi3_cconly): Likewise.
1597 (*ashrsi3_cmp_zext): Likewise.
1598 (*ashrhi3_cmp): Likewise.
1599 (*ashrhi3_cconly): Likewise.
1600 (*ashrqi3_cmp): Likewise.
1601 (*ashrqi3_cconly): Likewise.
1602 (*lshrdi3_cmp_rex64): Likewise.
1603 (*lshrdi3_cconly_rex64): Likewise.
1604 (*lshrsi3_cmp): Likewise.
1605 (*lshrsi3_cconly): Likewise.
1606 (*lshrsi3_cmp_zext): Likewise.
1607 (*lshrhi3_cmp): Likewise.
1608 (*lshrhi3_cconly): Likewise.
1609 (*lshrqi2_cmp): Likewise.
1610 (*lshrqi2_cconly): Likewise.
1612 2006-09-07 Uros Bizjak <uros@kss-loka.si>
1615 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
1616 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
1617 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
1618 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
1619 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
1620 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
1621 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
1622 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
1623 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
1624 implement only CC setting effects of shift instructions.
1626 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
1628 * doc/contrib.texi: Add myself.
1630 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
1633 * stor-layout.c (relayout_decl): Don't zero the alignment if it
1634 was set by the user.
1636 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
1639 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
1640 (divsi_inv_m1): Use them.
1641 (UNSPEC_DIV_INV_TABLE): New constant.
1643 2006-09-06 James E Wilson <wilson@specifix.com>
1646 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
1647 then call count_or_remove_death_notes.
1649 2006-09-06 Jason Merrill <jason@redhat.com>
1652 * tree-inline.c (copy_result_decl_to_var): New fn.
1653 (declare_return_variable): Use it. Call declare_inline_vars here.
1654 (expand_call_inline): Not here.
1656 2006-09-06 Diego Novillo <dnovillo@redhat.com>
1658 * doc/contrib.texi: Update my entry.
1660 2006-09-06 Nick Clifton <nickc@redhat.com>
1662 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
1664 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1667 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
1668 (canonicalize_induction_variables): Likewise.
1669 (tree_unroll_loops_completely): Likewise.
1670 (tree_ssa_prefetch_arrays): Likewise.
1671 (remove_empty_loops): Likewise.
1672 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
1673 TODO_cleanup_cfg instead of directly calling
1674 cleanup_tree_cfg_loop.
1675 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
1677 (tree_unroll_loops_completely): Likewise.
1678 (remove_empty_loops): Likewise.
1679 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
1680 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
1681 of tree_ssa_unswitch_loops.
1682 (tree_ssa_loop_ivcanon): Use the return value of
1683 canonicalize_induction_variables.
1684 (tree_ssa_empty_loop): Use the return value of
1686 (tree_complete_unroll): Use the return value of
1687 tree_unroll_loops_completely.
1688 (tree_ssa_loop_prefetch): Use the return value of
1689 tree_ssa_prefetch_arrays.
1690 * passes.c (execute_todo): Before Cleanup CFG, set
1691 updating_used_alone and after cleanup CFG, call
1692 recalculate_used_alone.
1694 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1697 * tree-vect-transform.c (vectorizable_condition): Move the check
1698 for the type after the check for simple condition.
1700 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
1701 Kaz Kojima <kkojima@gcc.gnu.org>
1704 * mode-switching.c (optimize_mode_switching): Make the destination
1705 block of an abnormal edge have no anticipatable mode. Don't
1706 insert mode switching code at the end of the source block of
1709 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
1711 PR rtl-optimization/26847
1712 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
1713 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
1714 (simplify_plus_minus): Count n_constants while filling ops. Replace
1715 qsort with insertion sort. Before going through the array to simplify
1716 pairs, sort it. Delay early exit until after the first sort, exiting
1717 only if no swaps occurred. Simplify pairs in reversed order, without
1718 special-casing the first iteration. Pack ops after simplifying pairs.
1720 2006-09-05 Anatoly Sokolov <aesok@post.ru>
1722 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
1723 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1724 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1725 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
1727 2006-09-05 Richard Guenther <rguenther@suse.de>
1729 PR tree-optimization/28900
1730 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
1731 compound conditional before creating COND_EXPR condition.
1733 2006-09-05 Richard Guenther <rguenther@suse.de>
1735 PR tree-optimization/28905
1736 * tree-vrp.c (fix_equivalence_set): Manually implement
1737 !value_ranges_intersect_p to also handle symbolic ranges.
1739 2006-09-05 Richard Guenther <rguenther@suse.de>
1742 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
1745 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1747 PR rtl-optimization/27616
1748 * cse.c (table_size): New static variable.
1749 (new_basic_block): Initialize it to 0.
1750 (remove_from_table): Decrement it.
1751 (insert): Increment it.
1752 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
1753 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
1754 fold_rtx_mem_1 if under the cap.
1755 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
1756 the lookup of the equivalent expression and test for equality of the
1757 first operand of the equivalent expression before in turn looking up
1758 an equivalent constant for the second operand.
1760 2006-09-02 Geoffrey Keating <geoffk@apple.com>
1763 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1764 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1765 pointer, instead of assuming it is possible to derive the
1766 correct args size from a call insn.
1768 2006-09-02 Jakub Jelinek <jakub@redhat.com>
1771 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
1772 (fold_builtin_mempcpy): Rename to...
1773 (fold_builtin_memory_op): ... this. Optimize one element copy
1775 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
1777 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
1778 (expand_builtin_memcpy, expand_builtin_mempcpy,
1779 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
1780 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
1781 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
1782 BUILT_IN_MEM{CPY,PCPY,MOVE}.
1784 2006-09-01 DJ Delorie <dj@redhat.com>
1786 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
1787 (stzx_16): Likewise.
1788 ("stzx_24_<mode>"): Likewise.
1789 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
1790 ("cmp<mode>_op"): New.
1791 (cmp<mode>): Change to expander; just save operands.
1793 (b<code>): Change to expander, emit compare here.
1794 (s<code>_op): Change to use split and expander.
1795 (s<code>_24_op): Likewise.
1796 (s<code>_<mode>): New.
1797 (s<code>_<mode>_24): New.
1798 (movqicc_<code>_<mode): New.
1799 (movhicc_<code>_<mode>): New.
1802 * config/m32c/m32c.c (compare_op0, compare_op1): New.
1803 (m32c_pend_compare): New.
1804 (m32c_unpend_compare): New.
1805 (m32c_expand_scc): New.
1806 (m32c_expand_movcc): Emit the compare also.
1807 * config/m32c/predicates.md (mra_nopp_operand): New.
1809 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
1810 Richard Guenther <rguenther@suse.de>
1811 Adam Nemet <anemet@caviumnetworks.com>
1814 * builtins.c (get_pointer_alignment): Handle more forms
1815 of base addresses that can be used to derive more precise
1816 information about alignment.
1818 2006-09-01 Jason Merrill <jason@redhat.com>
1821 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
1824 * gimplify.c (voidify_wrapper_expr): Handle null type.
1826 2006-09-01 Josh Conner <jconner@apple.com>
1829 * tree-nrv.c (dest_safe_for_nrv_p): New function.
1830 (execute_return_slot_opt): Use it.
1832 2006-08-31 Josh Conner <jconner@apple.com>
1835 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
1836 returning aggregates.
1838 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
1840 PR tree-optimization/28839
1841 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
1842 blocks in that phi arguments appear.
1844 2006-08-31 Roger Sayle <roger@eyesopen.com>
1847 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
1848 NULL, otherwise use an advance_loc4 to adjust relative to the
1850 (output_cfi) <DW_CFA_set_loc>: Update the current label.
1851 (dwarf2out_switch_text_section): Reset the current label to avoid
1852 using advance_loc4 over section boundaries.
1854 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
1857 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
1858 r12 + SYMBOLIC_CONST.
1860 2006-08-30 Richard Guenther <rguenther@suse.de>
1862 * Makefile.in (see.o): Add $(EXPR_H) dependency.
1864 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
1866 PR rtl-optimization/27735
1867 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
1868 Add new argument to keep track of whether an irreducible region
1869 was affected. All callers changed.
1870 (fix_irreducible_loops): Removed.
1871 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
1872 flags were invalidated.
1874 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
1876 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
1877 instead of SF operands.
1878 (*fop_df_comm_sse): Likewise.
1879 (*fop_df_comm_i387): Likewise.
1880 (*fop_df_1_mixed): Likewise.
1881 (*fop_df_1_sse): Likewise.
1883 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
1884 J"orn Rennecke <joern.rennecke@st.com>
1886 PR tree-optimization/17506
1887 * tree-ssa.c (warn_uninit): If warning about a location outside of
1888 the current function, note where the variable was declared.
1890 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
1892 PR tree-optimization/28411
1893 * double-int.c (double_int_div): Use double_int_divmod.
1894 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
1895 double_int_mod, double_int_smod, double_int_umod): New functions.
1896 * double-int.h (double_int_divmod, double_int_sdivmod,
1897 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
1899 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
1901 (get_computation_aff, get_computation_cost_at): Handle double_int
1902 return type of constant_multiple_of.
1904 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
1907 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
1908 an implicit conversion.
1910 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
1912 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
1914 2006-08-27 Roger Sayle <roger@eyesopen.com>
1916 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
1919 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
1921 * config/i386/crtfastmath.c: Fix a comment typo.
1923 2006-08-26 Roger Sayle <roger@eyesopen.com>
1925 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
1926 temporary visit flags on CASE_LABEL_EXPRs.
1927 * c-common.c (match_case_to_enum): Add function comment. Avoid
1928 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
1929 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
1930 CASE_HIGH_SEEN for enumerated types. If the switch expression is
1931 a constant, only warn if that constant value isn't handled.
1933 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
1936 * input.h (restore_input_file_stack): Declare.
1937 (INPUT_FILE_STACK_BITS): Define.
1938 * toplev.c (fs_p, input_file_stack_history,
1939 input_file_stack_restored, restore_input_file_stack): New.
1940 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
1941 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
1942 (pop_srcloc): Don't free old state of stack.
1944 2006-08-26 David Edelsohn <edelsohn@gnu.org>
1947 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
1948 (PowerPC Type Attributes): New.
1950 2006-08-26 Bob Wilson <bob.wilson@acm.org>
1952 * config/xtensa/xtensa.c (function_arg_boundary): New.
1953 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
1955 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
1956 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
1958 2006-08-26 Jakub Jelinek <jakub@redhat.com>
1961 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
1964 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1966 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
1967 (verify_local_live_at_start): Likewise.
1969 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1972 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
1973 omp_add_variable): Treat sizes as variable whenever not
1976 2006-08-26 Richard Guenther <rguenther@suse.de>
1979 * fold-const.c (fold_binary): Fold temporary to correct
1980 type before constructing new comparison.
1982 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
1985 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
1986 variable again if DECL_SEEN_IN_BIND_EXPR_P.
1988 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1991 * c-decl.c (start_function): Don't try to process prototype
1992 information from old declaration that isn't a function.
1994 2006-08-25 Jan Hubicka <jh@suse.cz>
1997 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
1999 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2002 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
2005 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
2007 PR tree-optimization/16876
2008 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
2009 exit if PARM doesn't match VALUE.
2011 2006-08-25 Bob Wilson <bob.wilson@acm.org>
2013 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
2014 literal_prefix directive.
2015 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
2016 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2017 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2019 2006-08-25 David Edelsohn <edelsohn@gnu.org>
2022 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
2023 predicate to general_operand. Add 0->y and I->r alternatives.
2025 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
2027 * doc/tm.texi: Fix a typo.
2028 * predict.c: Fix comment typos.
2030 2006-08-25 Nick Clifton <nickc@redhat.com>
2032 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
2033 assertions of "cpu" and "machine".
2035 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
2038 * tree-ssa-operands.c (access_can_touch_variable): Don't say
2039 the access through a base which has an alias set of 0 cannot
2042 2006-08-24 Bill Wendling <wendling@apple.com>
2044 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
2046 2006-08-24 Jan Hubicka <jh@suse.cz>
2048 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
2050 2006-08-24 Jan Hubicka <jh@suse.cz>
2053 * cgraph.c: Fix comments.
2054 (cgraph_varpool_mark_needed_node): Mark only variables not already
2056 * cgraphunit.c: Update comments; include gt-cgraphunit.h
2057 (cgraph_varpool_assembled_nodes_queue): New static variable.
2058 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
2059 (cgraph_varpool_output_debug_info): New function.
2060 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
2061 * Makefile.in: Add gt-cgraphunit.h
2063 2006-08-24 Jan Hubicka <jh@suse.cz>
2065 * predict.c (probability_reliable_p): New predicate.
2066 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
2067 (predict_loops): Do not predict loop exit with less than 2%
2069 * basic-block.h (edge_probability_reliable_p,
2070 br_prob_note_reliable_p): Declare.
2071 * ia64.h (ia64_print_operand): Do not disable on-chip branch
2072 prediction when static predictor is not reliable.
2073 * rs6000.c (output_cbranch): Likewise.
2075 2006-08-23 Stuart Hastings <stuart@apple.com>
2078 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
2079 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
2081 2006-08-21 Geoffrey Keating <geoffk@apple.com>
2084 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
2085 complex values, nor for generic vector values.
2087 2006-08-22 Richard Guenther <rguenther@suse.de>
2090 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
2091 parameter. Convert arguments to arithmetic expression to the
2093 (analyze_scalar_evolution_1): Adjust caller.
2095 2006-08-22 Jan Hubicka <jh@suse.cz>
2097 Patch by Paolo Bonzini
2098 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
2101 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
2103 PR tree-optimization/28003
2104 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
2105 before grouping aliases.
2107 2006-08-22 Roger Sayle <roger@eyesopen.com>
2109 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
2110 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
2112 2006-08-21 Jason Merrill <jason@redhat.com>
2115 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
2116 wrapper. Loop to handle nested wrappers.
2117 (gimplify_bind_expr): Remove temp parameter.
2118 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
2119 and STATEMENT_LIST on the rhs.
2120 (gimplify_statement_list): Voidify the STATEMENT_LIST.
2121 (gimplify_expr): Pass pre_p to gimplify_statement_list.
2122 (gimplify_target_expr): Remove special BIND_EXPR handling.
2124 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
2126 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
2129 2006-08-21 Olivier Hainque <hainque@adacore.com>
2131 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
2132 Arrange for the temporary captures of components overlapping the lhs
2133 to happen before the lhs is possibly cleared.
2135 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
2137 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
2138 necessary places to pass the correct "number of registers" values
2141 2006-08-20 Jan Hubicka <jh@suse.cz>
2143 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
2144 (create_name_tags): Instead of quadratic checking use hashtable.
2145 * bitmap.h: Include hashtab.h.
2146 (bitmap_hash): Declare.
2147 * bitmap.c (bitmap_hash): New function.
2149 2006-08-20 Jan Hubicka <jh@suse.cz>
2151 PR rtl-optimization/28071
2152 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
2154 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
2155 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
2156 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
2157 cgraph_decide_inlining_incrementally): Update use of
2158 cgraph_check_inline_limits.
2159 * cgraph.c (edge_hash, edge_eq): New function.
2160 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
2161 cgraph_edge_remove_caller, cgraph_node_remove_callees,
2162 cgraph_remove_node): Maintain call site hash.
2163 * cgraph.h (struct cgraph_node): Add call_site_hash.
2164 (cgraph_set_call_stmt): New function.
2166 2006-08-20 Jan Hubicka <jh@suse.cz>
2168 PR rtl-optimization/28071
2169 * reload1.c (reg_has_output_reload): Turn into regset.
2170 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
2171 choose_reload_regs, emit_reload_insns): Update to new
2172 reg_has_output_reload.
2174 2006-08-20 Jan Hubicka <jh@suse.cz>
2177 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
2178 function body sizes.
2179 * cgraphunit.c (cgraph_analyze_function): Don't do so.
2181 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
2184 * tree.c (handle_dll_attribute): Return early if not a
2185 var or function decl.
2187 2006-08-18 Joseph Myers <joseph@codesourcery.com>
2190 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
2191 alignment of SPE vector types.
2193 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
2195 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
2197 2006-08-17 Jakub Jelinek <jakub@redhat.com>
2200 * cgraph.h (struct cgraph_node): Remove externally_visible
2202 * cgraphunit.c (process_function_and_variable_attributes): Set
2203 local.externally_visible rather than externally_visible.
2206 * c-common.c (handle_externally_visible_attribute): First look
2207 at TREE_CODE and only if it is function or var decl, check for
2208 non-public objects. Don't warn for DECL_EXTERNAL.
2209 * cgraphunit.c (process_function_and_variable_attributes): Warn
2210 if externally_visible attribute is used on non-public object.
2212 2006-08-17 Jan Hubicka <jh@suse.cz>
2214 PR tree-optimization/27865
2215 * reload1.c (forget_marked_reloads): New function.
2216 (forget_old_reloads_1): When data are passed, just mark the registers
2218 (reload_as_needed): Use the new mechanizm.
2220 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
2223 * reload.h (reg_equiv_alt_mem_list): New declaration.
2224 * reload1.c (reg_equiv_alt_mem_list): New definition.
2225 (reload): Initialize it and release it.
2226 (delete_output_reload): Use it.
2227 * reload.c (push_reg_equiv_alt_mem): New function.
2228 (find_reloads_toplev): Call it.
2229 (find_reloads_address, find_reloads_address_1): Likewise.
2230 (find_reloads_subreg_address): Likewise.
2232 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2234 PR rtl-optimization/28489
2235 * sched-ebb.c (begin_schedule_ready): Create basic block
2237 (advance_target_bb): Skip empty blocks.
2238 * haifa-sched.c (bb_note): Make global.
2239 * sched-int.h (bb_note): Add prototype.
2241 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2243 PR tree-optimization/27865
2244 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
2246 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
2247 fold_used_pointer, pointer_used_p): New functions.
2248 (analyze_scalar_evolution_1): Use fold_used_pointer.
2249 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
2250 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
2253 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
2256 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
2257 or the INTEGER_CST. Fail on a CALL_EXPR.
2258 (fold_offsetof): Pass new argument to fold_offsetof_1.
2259 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
2260 operand into an INDIRECT_REF.
2261 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
2263 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2265 PR gcov/profile/26570
2266 * value-prof.c (static_values): Removed.
2267 (tree_find_values_to_profile): Do not set static_values.
2268 (find_values_to_profile): Do not free static_values.
2269 * profile.c (instrument_values): Do not free the values.
2270 (branch_prob): Free the values.
2272 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
2274 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
2276 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
2279 * c-typeck.c (build_component_ref): Combine qualifiers of
2280 structure or union and field.
2282 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2284 PR rtl-optimization/28071
2285 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
2286 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
2287 * tree-into-ssa.c (struct dom_dfsnum): New.
2288 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
2290 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
2291 compute_global_livein.
2292 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
2293 in phi nodes in the correct blocks.
2295 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2297 PR tree-optimization/28364
2298 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
2300 (fold_affine_expr): New function.
2301 (may_eliminate_iv): Use fold_affine_expr.
2303 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2306 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
2309 2006-08-16 Mike Stump <mrs@apple.com>
2311 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
2312 * doc/cppopts.texi (-MD): Likewise.
2314 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
2317 * c-common.c (handle_weak_attribute): Ignore and warn if
2318 not a FUNCTION_ or VAR_DECL.
2320 2006-07-15 Mike Stump <mrs@apple.com>
2323 * c-parser.c (c_parser_typeof_specifier): Don't use
2324 c_finish_expr_stmt, open code desired semantics instead.
2326 2006-08-15 Nick Clifton <nickc@redhat.com>
2328 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
2329 fragment to tmake_file only if threads are enabled.
2330 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
2331 * config/i386/t-gthr-win32: New file. ... here.
2333 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2336 * c-parser.c (c_parser_compound_statement_nostart): Reset
2337 parser->error after each statement.
2339 2006-08-15 Jakub Jelinek <jakub@redhat.com>
2342 * omp-low.c (lower_omp_parallel): Convert t to
2343 receiver_decl's type.
2344 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
2345 source before comparison.
2348 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
2349 to itype in assignment to oldival2.
2351 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
2355 * c-typeck.c (build_compound_expr): If the second expression
2356 is an error mark, then just return an error mark instead of
2357 creating a COMPOUND_EXPR.
2359 2006-07-14 Mike Stump <mrs@apple.com>
2361 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
2363 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
2365 * c-decl.c, var-tracking.c: Fix comment typos.
2367 2006-08-14 Richard Sandiford <richard@codesourcery.com>
2369 PR rtl-optimization/28634
2370 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
2371 for floating-point modes unless flag_unsafe_math_optimizations.
2373 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
2374 Andrew Pinski <pinskia@physics.uc.edu>
2377 * tree.c (build_array_type): Unify array types with
2378 unspecified index_type.
2379 * c-decl.c (grokdeclarator): Make sure we do not modify a
2380 unified incomplete array type.
2381 * c-typeck.c (store_init_value): Create distinct type before
2382 filling in the index type in an initializer from a compound
2385 * c-decl.c (grokdeclarator): Remove code where we copy the
2388 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
2390 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
2391 into account for TODO_dump_cgraph.
2392 (TODO_update_ssa_no_phi): Likewise.
2393 (TODO_update_ssa_full_phi): Likewise.
2394 (TODO_update_ssa_only_virtuals): Likewise.
2395 (TODO_remove_unused_locals): Likewise.
2396 (TODO_set_props): Likewise.
2397 (TODO_update_stmt_usage): Likewise.
2399 2006-08-13 Dirk Mueller <dmueller@suse.de>
2401 * c-common.c (strict_aliasing_warning): Fix formatting.
2403 2006-08-13 Matthias Klose <doko@debian.org>
2405 * doc/invoke.texi: Fix spelling errors.
2407 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2409 PR rtl-optimization/23454
2410 * reorg.c (relax_delay_slots): Update comment.
2412 2006-08-11 Richard Guenther <rguenther@suse.de>
2415 * simplify-rtx.c (simplify_const_relational_operation):
2416 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
2419 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
2421 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
2422 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
2424 2006-08-10 Paul Brook <paul@codesourcery.com>
2426 * final.c (final_scan_insn): Clear current_insn_predicate before
2427 outputting inline asm.
2429 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
2431 PR tree-optimization/26197
2432 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
2433 get_ref_base_and_extent and overlap_subvar to add only relevant
2434 subvars as may-aliases.
2435 (add_may_alias_for_new_tag): New function, factored out of
2437 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
2438 with additional argument.
2439 * tree-flow.h (new_type_alias): Takes additional argument.
2441 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
2443 * gcov.c (no_data_file): New flag.
2444 (read_count_file): Set it if data file not present. Assume counts
2446 (output_lines): Don't name the data file, if there wasn't one.
2448 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
2450 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
2451 (rs6000_generate_compare): Tweak comments.
2452 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
2454 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
2456 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
2457 (var_debug_decl): New function.
2458 (var_reg_set): Follow debug decl link. Add location even if
2459 reg is already known to hold some other variable.
2460 (var_mem_set): Follow debug decl link.
2461 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
2462 decl link. Delete other known locations of the variable part
2464 (var_reg_delete, var_mem_delete): Delete other known locations
2465 of the variable part if requested.
2466 (same_variable_part_p): New function.
2467 (add_stores): Select MO_COPY when appropriate.
2468 (vt_initialize): Handle it.
2469 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
2470 known locations for MO_SET and MO_CLOBBER.
2471 (find_variable_location_part): New function.
2472 (set_variable_part, delete_variable_part): Use it.
2473 (clobber_variable_part): New function.
2474 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
2477 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
2479 PR tree-optimization/26969
2480 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
2481 with an empty list of PHIs.
2483 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
2487 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
2490 2006-08-06 Andreas Schwab <schwab@suse.de>
2492 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
2493 string. Whitespace and comment fixup.
2495 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2498 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
2502 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
2505 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
2507 2006-08-04 Jan Hubicka <jh@suse.cz>
2511 * reload.c (push_reload): Patch out the mismatching instruction;
2513 (find_reload): Bail out if the instruction was patched out.
2515 2006-08-04 Jan Hubicka <jh@suse.cz>
2517 PR tree-optimization/24888
2518 * tree-inline.c (expand_call_inline): Do not re-record variables.
2519 (declare_inline_vars): Add variable to unexpanded_var_list.
2521 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2522 Roger Sayle <roger@eyesopen.com>
2524 PR rtl-optimization/26244
2525 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
2526 inner_const are negative or greater than or equal to the bitsize of
2527 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
2528 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
2529 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
2530 CONST0_RTX (mode) when the new shift count is greater than or equal to
2531 to the bitsize of the object being shifted and XEXP (y, 0) has no side
2534 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
2536 * tree-cfg.c: Fix a comment typo.
2538 2006-08-03 Mark Mitchell <mark@codesourcery.com>
2541 * varasm.c (output_constant): Give the front end another chance to
2542 expand constants, after stripping NOPs.
2544 2006-08-03 Jan Hubicka <jh@suse.cz>
2546 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
2549 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
2551 PR tree-optimization/27770
2552 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
2553 declaration removed (moved to tree-flow.h).
2554 (vect_can_force_dr_alignment_p): Likewise.
2555 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
2556 (moved from tree-vectorizer.h).
2557 (vect_can_force_dr_alignment_p): Likewise.
2558 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
2559 from outside the vectorizer - in particular from cgraph stage.
2560 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
2561 the alignment of global arrays when -fsection-anchors is enabled.
2562 * cgraphunit.c (cgraph_increase_alignment): New function.
2563 (cgraph_optimize): Call cgraph_increase_alignment.
2565 2006-08-03 David Edelsohn <edelsohn@gnu.org>
2568 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
2569 not reload a SPE symbol_ref into a lo_sum address.
2571 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
2574 * dwarf2out.c (prune_unused_types_prune): Move call to
2575 prune_unused_types_update_strings to cover the parent DIE also.
2577 2006-08-02 Jan Hubicka <jh@suse.cz>
2579 PR gcov/profile/28480
2580 * tree-cfg.c (change_bb_for_stmt): New function.
2581 (tree_merge_blocks, tree_split_blocks): Use it.
2583 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2589 * toplev.c (compile_file): Return early on errorcount or sorrycount.
2590 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
2591 (cgraph_optimize): Likewise.
2593 2006-08-01 Stuart Hastings <stuart@apple.com>
2595 * rtl.h (UINTVAL) New.
2596 * config/rs6000/rs6000.c (SMALL_INT) Use it.
2597 * testsuite/gcc.dg/20060801-1.c: New.
2599 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
2602 * c-typeck.c (build_external_type): Mark used enum types.
2603 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
2605 (gen_subprogram_die): Whitespace fix.
2607 2006-08-01 Jan Hubicka <jh@suse.cz>
2609 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
2610 bitmap when not needed.
2611 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
2614 2006-08-01 Dirk Mueller <dmueller@suse.de>
2616 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
2618 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2620 * Makefile.in: Revert part of previous patch:
2621 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
2624 2006-07-30 Eric Christopher <echristo@apple.com>
2627 * doc/extend.texi (i386 Variable Attributes): Add anchor.
2628 (PowerPC Variable Attributes): New section.
2630 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
2632 PR target/28126 (partial fix)
2633 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
2635 2006-07-28 Jan Hubicka <jh@suse.cz>
2637 PR rtl-optimization/28071
2638 * cfgrtl.c (rtl_delete_block): Free regsets.
2639 * flow.c (allocate_bb_life_data): Re-use regsets if available.
2641 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2643 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
2644 and variables used in dependencies.
2646 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
2648 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
2649 %fs for -mcmodel=kernel.
2650 (stack_tls_protect_test_di): Likewise.
2652 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
2654 * Makefile.in: Use mkinstalldirs.
2656 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
2659 * opts-common.c (prune_options): Skip joined switches.
2661 2006-07-27 Jan Hubicka <jh@suse.cz>
2663 PR rtl-optimization/28071
2664 * cselib.c (cselib_process_insn): Don't remove useless values too
2665 often for very large hashtables.
2667 2006-07-27 Jan Hubicka <jh@suse.cz>
2669 PR rtl-optimization/28071
2670 * global.c (greg_obstack): New obstack.
2671 (allocate_bb_info): Use it.
2672 (free_bb_info): Likewise.
2673 (modify_reg_pav): Likewise.
2675 2006-07-27 Roger Sayle <roger@eyesopen.com>
2677 * builtins.c (fold_fixed_mathfn): When long and long long are the
2678 same size, canonicalize llceil*, llfloor*, llround* and llrint*
2679 functions to their lceil*, lfloor*, lround* and lrint* forms.
2681 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2684 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
2686 (rev_branch_insn): Likewise.
2688 2006-07-27 Jan Hubicka <jh@suse.cz>
2690 PR rtl-optimization/28071
2691 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
2692 (reg_set_in_bb, max_reg_computed): New static variables.
2693 (regmove_optimize): Free the new array.
2694 (fixup_match_1): Update call of reg_is_remote_constant_p.
2696 2006-07-26 Jan Hubicka <jh@suse.cz>
2698 PR tree-optimization/27882
2699 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
2701 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
2703 (cgraph_analyze_compilation_unit): Likewise.
2704 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
2705 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
2706 (cgraph_early_inlinine): Make order garbage collected.
2707 * Makefile.in (gt-ipa-inline): New garbagecollected file.
2709 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2711 * dbxout.c (output_types_sort): Add a comment.
2712 (output_used_types): Free the VEC.
2714 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2716 * function.c (reorder_fix_fragments): Delete.
2717 (reorder_blocks): Don't call it.
2718 (reorder_blocks_1): Put all subblocks under the origin block.
2720 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
2722 PR rtl-optimization/27907
2723 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
2726 2006-07-25 Roger Sayle <roger@eyesopen.com>
2729 * convert.c (convert_to_integer): When transforming (T)foo(x) into
2730 bar(x) check that bar's result type can represent all the values of T.
2732 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
2734 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
2736 2006-07-25 Nick Clifton <nickc@redhat.com>
2738 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
2739 size_lookup[] array.
2740 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
2741 (ggc_pch_count_object): Likewise.
2742 (ggc_pch_alloc_object): Likewise.
2743 (ggc_pch_write_object): Likewise.
2744 (init_ggc): Do not attempt to initialize entries in the
2745 size_lookup[] array for objects whose size is greater than than
2746 the length of the array.
2748 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
2750 * dbxout.c (output_used_types_helper): Push queued types
2752 (output_types_sort): New.
2753 (output_used_types): Collect used types on a VEC and sort them
2756 2006-07-24 Richard Guenther <rguenther@suse.de>
2759 * cgraph.c (cgraph_remove_node): Do not check if dumps
2761 * cgraphunit.c (cgraph_optimize): Likewise.
2763 2006-07-24 Jan Hubicka <jh@suse.cz>
2765 PR rtl-optimization/28071
2766 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
2767 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
2768 splitting before first stmt.
2770 2006-07-24 Jan Hubicka <jh@suse.cz>
2772 PR rtl-optimization/28071
2773 * ipa-inline.c (update_caller_keys): Remove edges that
2774 are no longer inline candidates.
2776 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
2779 * dbxout.c (output_used_types_helper, output_used_types): New.
2780 (dbxout_symbol): Call output_used_types.
2782 2006-07-23 Jan Hubicka <jh@suse.cz>
2786 * cgraph.c (cgraph_varpool_nodes): Export.
2787 (decide_is_variable_needed): Ignored "used" attribute in
2788 unit-at-a-time mode.
2789 * cgraph.h (cgraph_varpool_nodes): Declare.
2790 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
2791 unit-at-a-time mode.
2793 2006-07-23 Roger Sayle <roger@eyesopen.com>
2796 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
2797 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
2798 the __gthrw form of thr_keycreate.
2799 (__gthread_key_delete): Silence the unused argument warning.
2801 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
2804 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
2805 Cache the last found '\0' marker to avoid quadratic behavior.
2807 2006-07-23 Jan Hubicka <jh@suse.cz>
2809 * i386.md (subsi_3_zext): Fix output template.
2811 2006-07-21 Mike Stump <mrs@apple.com>
2813 * doc/invoke.texi (C++ Dialect Options): Note that
2814 -fvisibility-inlines-hidden doesn't affect explicitly
2815 instantiationed inline methods.
2817 2006-07-20 Roger Sayle <roger@eyesopen.com>
2819 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
2820 if the target assembler is GNU binutils' gas.
2821 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
2822 whether to pass GNU gas or native as command line options.
2824 2006-07-20 Jason Merrill <jason@redhat.com>
2826 * tree.c (remove_attribute): New fn.
2827 * tree.h: Declare it.
2829 2006-07-20 Paul Brook <paul@codesourcery.com>
2832 * cse.c (cse_insn): Add destination addresses to hash table. Check if
2833 they are invalidated by this instruction.
2835 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
2838 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
2840 2006-07-20 Eric Christopher <echristo@apple.com>
2843 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
2845 2006-07-19 Eric Christopher <echristo@apple.com>
2847 * config/t-slibgcc-darwin (stmp-lipo): Remove.
2848 Rewrite dependencies for libgcc_s.1.dylib.
2850 2006-07-19 Jakub Jelinek <jakub@redhat.com>
2852 * except.c (duplicate_eh_regions_1): Clear next_peer.
2854 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
2856 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
2857 -mlongcall does not guarantee all calls will be long.
2858 * doc/extend.texi (long_call/short_call): Document that longcall
2859 does not guarantee a long call will be used.
2860 (longcall/shortcall): Likewise.
2862 2006-07-18 Roger Sayle <roger@eyesopen.com>
2865 * expmed.c (expand_shift): Additionally check that the shift_cost
2866 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
2867 before implementing a LSHIFT_EXPR as a sequence of additions.
2868 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
2869 middle-end that DImode shifts need to be synthesized by expand.
2871 2006-07-18 Diego Novillo <dnovillo@redhat.com>
2874 * tree-ssa-operands.c (access_can_touch_variable): Update
2876 Return true if ALIAS is .GLOBAL_VAR.
2878 2006-07-18 David Daney <ddaney@avtrex.com>
2880 * gcc.c (display_help): Fix typo in help text.
2882 2006-07-18 Olivier Hainque <hainque@adacore.com>
2884 * tree.h (categorize_ctor_elements): Adjust prototype and add
2885 descriptive comment, both in accordance with the interface change
2887 * varasm.c (constructor_static_from_elts_p): New function.
2888 Whether a constructor node is a valid static constant initializer
2889 if all its elements are.
2890 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
2891 * output.h: Declare it.
2892 * expr.c (categorize_ctor_elements_1): Return whether the constructor
2893 is a valid constant initializer instead of computing the number of
2894 non-constant elements. Use constructor_static_from_elts_p for this
2895 purpose. Replace the head comment with an indication that this is a
2896 helper for categorize_ctor_elements.
2897 (categorize_ctor_elements): Same interface change as for the _1
2898 helper. Former head comment from this helper moved here, adjusted to
2899 account for the interface changes.
2900 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
2901 (all_zeros_p): Likewise.
2902 * gimplify.c (gimplify_init_constructor): Decide whether we can make
2903 static versions of the constructor from the categorize_ctor_elements
2904 return value instead of the formerly computed number of non-constant
2907 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
2909 * configure: Regenerate.
2910 * Makefile.in (build_libsubdir): New configure substitution
2911 (build_libobjdir): New variable.
2912 (BUILD_LIBIBERTY): Use it.
2914 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2917 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
2919 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
2922 * c-common.c (handle_weakref_attribute): Ignore attribute in
2923 the same conditions the alias attribute is ignored.
2925 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
2927 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
2928 (dbxout_begin_prologue): Increment scope_labelno.
2930 2006-07-17 Richard Henderson <rth@redhat.com>
2933 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
2936 2006-07-17 Roger Sayle <roger@eyesopen.com>
2937 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2939 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
2940 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
2941 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
2942 functions such as sbrk, write, etc.. Add function prototypes.
2943 Convert function declarations from K&R to ISO C. Cast pointers
2944 to "long" and "unsigned long" instead of "int" and "unsigned int".
2945 Convert tokens following #endif into comments.
2947 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
2949 * invoke.texi: Remove mention of f77; Reformat table for
2950 inline parameter options correctly; mention that -malign-double
2951 is default on x86-64 targets.
2953 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
2955 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
2956 (convert_affine_scev, chrec_convert_aggressive): Use
2957 avoid_arithmetics_in_type_p. Do not check for the subtypes
2960 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2963 * optabs.c (expand_doubleword_shift): Wrap the call to
2964 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
2966 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2969 * optabs.c (expand_binop): Pass next_methods rather than methods
2970 to expand_doubleword_shift.
2972 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
2975 * tree.h (dump_addr): Declare.
2976 * print-tree.c (dump_addr): New function.
2977 (print_node_brief, print_node): Use it.
2978 * print-rtl.c (print_rtx): Likewise.
2979 * common.opt (-fdump-noaddr): New option.
2980 * doc/invoke.texi (-fdump-noaddr): Document.
2981 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
2982 (ve_info_hash): Likewise.
2984 2006-07-13 Andrew Haley <aph@redhat.com>
2986 PR tree-optimization/19505
2987 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
2988 edge leaving this block, make sure that the destination of this
2989 block has only one predecessor.
2991 2006-07-17 Richard Guenther <rguenther@suse.de>
2993 PR tree-optimization/28238
2994 * tree-inline.c (copy_bb): Check if we produced valid
2995 gimple copying and substituting a stmt. If not, gimplify
2998 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3000 * optabs.c (maybe_encapsulate_block): New function extracted from...
3001 (emit_libcall_block): ...here. Invoke it on the block of insns to
3002 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3003 (emit_no_conflict_block): Likewise.
3005 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3007 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
3009 2006-07-15 Roger Sayle <roger@eyesopen.com>
3011 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
3012 a new NOP_EXPR case of the switch statement.
3014 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
3017 * stor-layout.c (place_field): Take the bit field with
3018 an excessive size into account in the ms-bitfiled case.
3021 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
3022 the previous bit field.
3024 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
3027 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
3029 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
3031 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
3032 signal frames correctly even when the signal was installed with
3035 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
3037 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
3038 (dbxout_function_end): Use local label LFBB. Remove hook
3040 (dbxout_source_line): Use local label LFBB.
3041 (dbxout_block): Likewise.
3042 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
3043 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
3044 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
3045 and DBX_OUTPUT_NFUN.
3047 2006-07-13 Janis Johnson <janis187@us.ibm.com>
3049 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
3051 2006-07-13 Jan Hubicka <jh@suse.cz>
3053 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
3055 * output.h (align_variable): Declare.
3056 * varasm.c (align_variable): Export.
3057 * value-prof.c (tree_value_profile_transformations): Recompute iterator
3058 when basic block changed.
3060 2006-07-13 Nick Clifton <nickc@redhat.com>
3062 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
3063 walking the LOG_LINKS chain.
3065 2006-07-12 Geoffrey Keating <geoffk@apple.com>
3067 * doc/invoke.texi (C++ Dialect Options): Explain difference
3068 between -fvisibility-inlines-hidden and setting hidden
3069 visibility explicitly.
3071 2006-07-12 Eric Christopher <echristo@apple.com>
3073 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
3074 (stmp-lipo): Depend on libgcc.a.
3076 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
3078 * tree.c: Fix a comment typo.
3080 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
3082 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
3084 (umulhisi3_r): Likewise.
3086 2006-07-12 Paolo Carlini <pcarlini@suse.de>
3089 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
3090 x < 19, vs wchar_t support.
3092 2006-07-12 Nick Clifton <nickc@redhat.com>
3094 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
3095 instead of -isa=sh4.
3097 2006-07-12 Mike Stump <mrs@apple.com>
3099 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
3101 2006-07-10 Eric Christopher <echristo@apple.com>
3103 * config/t-slibgcc-darwin: Rewrite.
3105 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3108 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
3111 2006-07-08 Matthias Klose <doko@debian.org>
3113 * doc/sourcebuild.texi: Fix typo.
3115 2006-07-07 Mike Stump <mrs@apple.com>
3117 * toplev.c (process_options): Don't give -ffunction-sections may
3118 affect debugging warning for Mach-O.
3120 2006-07-07 James E Wilson <wilson@specifix.com>
3122 * config/mips/mips.md (cpu): Add sb1a.
3123 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
3124 addition to sb1. Adjust comments to clarify SB-1A differences from
3126 (ir_sb1a_load): New. Modify bypasses to use it.
3127 (ir_sb1a_simple_alu): Likewise.
3128 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
3129 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
3130 (mips_issue_rate): Add PROCESSOR_SB1A.
3131 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
3132 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
3133 (TARGET_SB1): Add PROCESSOR_SB1A check.
3134 (TUNE_SB1): Likewise.
3136 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
3137 * config/mips/mips.c (mips_store_data_bypass_p): New.
3138 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
3139 store_data_bypass_p.
3141 2006-07-08 Paul Brook <paul@codesourcery.com>
3144 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
3146 2006-07-07 Richard Guenther <rguenther@suse.de>
3149 * tree.h (build_one_cst): Declare.
3150 * tree.c (build_one_cst): New function.
3151 * tree-ssa-math-opts.c (get_constant_one): Remove.
3152 (insert_reciprocals): Use build_one_cst.
3153 * fold-const.c (fold_plusminus_mult): Likewise.
3155 2006-07-07 Roger Sayle <roger@eyesopen.com>
3157 * pointer-set.c (pointer_set_destroy): Correct whitespace.
3158 * cfgloopanal.c (dump_graph): Likewise.
3159 * dojump.c (discard_pending_stack_adjust): Likewise.
3160 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
3162 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
3163 * function.c (finalize_block_changes): Likewise.
3164 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
3165 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
3166 * rtl.c (dump_rtx_statistics): Likewise.
3167 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
3169 * varray.c (dump_varray_statistics): Likewise.
3170 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
3171 decode_decimal64, encode_decimal128, decode_decimal128,
3172 decimal_real_to_decimal): Likewise.
3174 2006-07-07 Richard Guenther <rguenther@suse.de>
3176 PR tree-optimization/28187
3177 * tree-vrp.c (vrp_operand_equal_p): New function.
3178 (vrp_bitmap_equal_p): Likewise.
3179 (update_value_range): Use them to compare old and new
3182 2006-07-06 Roger Sayle <roger@eyesopen.com>
3184 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
3185 a default case to switch statement to silence compiler warnings.
3187 2006-07-06 Roger Sayle <roger@eyesopen.com>
3190 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
3191 the configured assembler supports the x87's ffreep mnemonic.
3192 * configure: Regenerate.
3193 * config.in: Regenerate.
3195 * config/i386/i386.c (output_387_ffreep): New function.
3196 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
3197 (output_387_reg_move): Likewise.
3199 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
3201 Port to hosts whose 'sort' and 'tail' implementations
3202 treat operands with leading '+' as file names, as POSIX
3203 has required since 2001. However, make sure the code still
3204 works on pre-POSIX hosts.
3205 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
3206 which says you should use "tail -c +N" rather than "tail +Nc".
3207 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
3209 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
3211 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
3214 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3217 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
3218 PRE_{INC,DEC} of TFmode.
3220 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3221 Alan Modra <amodra@bigpond.net.au>
3224 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
3227 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3230 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
3231 Remove duplicate gtu.
3233 2006-07-05 Jason Merrill <jason@redhat.com>
3237 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
3238 * c-common.c (handle_packed_attribute): So don't copy it here.
3239 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
3241 2006-07-05 Mike Stump <mrs@apple.com>
3243 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
3245 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
3248 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
3250 2006-07-05 Richard Guenther <rguenther@suse.de>
3253 * config/i386/i386.md (*negdf2_1): Restrict pattern to
3254 TARGET_SSE2 targets if using SSE math.
3255 (*absdf2_1): Likewise.
3257 2006-07-05 Richard Guenther <rguenther@suse.de>
3259 PR tree-optimization/28162
3260 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
3261 make sure to convert the operands to the correct type.
3263 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
3265 PR tree-optimization/28218
3267 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
3268 to calculate and free the dominator information.
3270 2006-07-04 Peter O'Gorman <peter@pogma.com>
3272 * mklibgcc.in: chmod 644 before ranlib during install.
3274 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
3275 J"orn Rennecke <joern.rennecke@st.com>
3277 * configure.ac (.eh_frame data check): Use diff -b.
3279 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3282 * Makefile.in (BUILD_RTL): Add build/vec.o.
3283 (build/gencondmd.o): Filter out -fkeep-inline-functions.
3284 (build/genextract): Delete.
3285 (build/genautomata): Likewise.
3287 2006-07-04 Alan Modra <amodra@bigpond.net.au>
3290 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
3291 128-bit IBM long doubles for ABI_V4.
3293 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
3295 * tree.c (range_in_array_bounds_p): New predicate.
3296 * tree.h (range_in_array_bounds_p): Declare it.
3297 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
3298 return a less conservative answer.
3299 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
3300 and flag 'is_group'.
3301 (IS_ELEMENT_FOR_GROUP): New macro.
3302 (FOR_EACH_ACTUAL_CHILD): Likewise.
3303 (next_child_for_group): New helper function.
3304 (can_completely_scalarize_p): Take into account groups.
3305 (sra_hash_tree): Handle RANGE_EXPR.
3306 (sra_elt_eq): Likewise.
3307 (lookup_element): Be prepared for handling groups.
3308 (is_valid_const_index): Delete.
3309 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
3310 instead of is_valid_const_index.
3311 <ARRAY_RANGE_REF>: New case.
3312 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
3313 is_valid_const_index.
3314 <ARRAY_RANGE_REF>: Do not unconditionally punt.
3315 (scan_dump): Dump info for groups too.
3316 (decide_instantiation_1): Likewise.
3317 (decide_block_copy): Assert that the element is not a group.
3318 Propagate decision to groups.
3319 (generate_one_element_ref): Handle RANGE_EXPR.
3320 (mark_no_warning): Iterate over actual childs.
3321 (generate_copy_inout): Likewise.
3322 (generate_element_copy): Likewise.
3323 (generate_element_zero): Likewise.
3324 (generate_element_init_1): Likewise.
3325 (dump_sra_elt_name): Handle RANGE_EXPR.
3327 2006-07-03 Roger Sayle <roger@eyesopen.com>
3329 PR tree-optimization/26251
3330 * tree-ssa-threadupdate.c (redirection_block_p): New function.
3331 (thread_block): When optimizing for size refuse to thread jumps
3332 that would require duplication of blocks other than redirection
3335 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3337 * configure.ac: Fix thinko in previous check-in.
3338 * configure: Regenerate.
3340 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3343 * configure.ac (for lang...): Simplify nesting of conditionals.
3344 Test subdir_requires for non-enabled languages. Move processing
3345 of lang_opt_files and lang_tree_fiels below that test.
3346 * configure: Regenerate.
3347 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
3349 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
3351 * doc/gcov.texi (Invoking Gcov): Add a missing word.
3353 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
3355 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
3358 2006-06-29 Jason Merrill <jason@redhat.com>
3365 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
3366 * c-common.c (c_determine_visibility): Handle it here.
3367 * c-decl.c (finish_decl): Call c_determine_visibility for
3369 * flags.h (enum symbol_visibility): Sort from most to least visibility.
3371 * varasm.c (default_assemble_visibility): Likewise.
3372 * c-common.c (handle_visibility_attribute): Complain about trying
3373 to give visibility to an already defined class, or trying to change
3374 declared visibility. Always attach the attribute.
3379 * attribs.c (decl_attributes): Ignore type-in-place attributes
3380 once the type has been defined.
3382 2006-06-29 Roger Sayle <roger@eyesopen.com>
3385 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
3386 to indicate the cpplib has issued an error message for us.
3388 2006-06-29 Asher Langton <langton2@llnl.gov>
3391 * config/i386/i386.c (ix86_output_function_epilogue): Don't
3392 insert a label at the end of an function under Mach-O.
3394 2006-06-29 Eric Christopher <echristo@apple.com>
3395 Evan Cheng <evan.cheng@apple.com>
3397 * predicates.md (vector_all_ones_operand): New.
3398 (nonimmediate_or_sse_const_operand): Ditto.
3399 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
3400 * config/i386/i386.c (standard_sse_constant_opcode): Define.
3401 (standard_sse_mode_p): Ditto.
3402 (standard_sse_constant_p): Add case for -1 vector.
3403 (ix86_expand_vector_move): Try to use.
3404 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
3405 Call standard_sse_constant_opcode.
3406 (*movv4sf_internal): Ditto.
3407 (*movv2df_internal): Ditto.
3409 2006-06-29 Roger Sayle <roger@eyesopen.com>
3411 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
3412 of XEXP to extract the operands of a MATCH_CODE rtx.
3414 2006-06-28 Andrew Pinski <pinskia@gmail.com>
3416 * tree.c (tree_size): Do not waste tail padding in
3417 struct tree_string and make the size be the same as
3418 build_string will generate.
3420 2006-06-28 Jason Merrill <jason@redhat.com>
3423 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
3424 may_aliases already in the tag's annotations to the bitmap.
3426 2006-06-28 Roger Sayle <roger@eyesopen.com>
3428 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
3430 2006-06-28 Roger Sayle <roger@eyesopen.com>
3432 * genpreds.c (generate_switch_p): New function.
3433 (add_mode_tests): Push the new mode test down inside an AND expr
3434 if this allows the switch-suitable MATCH_CODE to be near the root.
3435 (write_match_code_switch): New function to write a MATCH_CODE as
3437 (write_predicate_stmts): New function to write a predicate RTX
3438 expression as a sequence of statements.
3439 (write_one_predicate_function): Use write_predicate_stmts.
3440 (write_tm_constrs_h): Likewise.
3442 2006-06-26 Fred Fish <fnf@specifix.com>
3444 * config/mips/t-sb1: New file.
3445 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
3448 2006-06-26 DJ Delorie <dj@redhat.com>
3450 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
3452 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
3453 Jayant Sonar <jayants@kpitcummins.com>
3454 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
3456 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
3457 (subsi3, subsi3_1, subsi3_2): New.
3458 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
3459 * config/m32c/mov.md (SI mov peephole): New.
3460 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
3461 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
3463 2006-06-26 Olivier Hainque <hainque@adacore.com>
3465 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
3466 a CALL_EXPR target function declaration.
3468 2006-06-26 Richard Guenther <rguenther@suse.de>
3470 * tree.c (build_string): Do not waste tail padding in
3473 2006-06-26 Richard Guenther <rguenther@suse.de>
3475 * ggc-page.c (init_ggc): Add missing element to size_lookup
3479 2006-06-23 Richard Guenther <rguenther@suse.de>
3481 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3482 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3483 alignment requests instead. Add verification code.
3484 Add struct tree_function_decl and struct tree_binfo size to
3485 extra_order_size_table. Add missing element to size_lookup
3488 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
3491 * fold-const.c (const_binop): Be prepared for self returning zero.
3492 Simplify code handling complex values.
3494 2006-06-24 Olivier Hainque <hainque@adacore.com>
3496 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
3497 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
3500 2006-06-24 Olivier Hainque <hainque@adacore.com>
3502 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
3503 ARRAY_REF, so have the callback called for the low bound expression.
3505 2006-06-23 Janis Johnson <janis187@us.ibm.com>
3507 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
3508 * c-typeck.c (c_common_type): Disallow operations on decimal float
3509 types and other float types.
3510 * convert.c (convert_to_real): Don't ignore conversions involving
3511 decimal float types.
3513 2006-06-23 Olivier Hainque <hainque@adacore.com>
3515 * tree.c (max_int_size_in_bytes): New function, inspired from
3516 code in function.c:assign_temp.
3517 * tree.h (max_int_size_in_bytes): Declare.
3518 * function.c (assign_temp): Use it.
3519 * gimplify.c (create_tmp_var): Relax the assertions on the type
3520 properties, not mandating constant size any more.
3521 (force_constant_size): New static function.
3522 (gimple_add_tmp_var): Use it, forcing variable size to a
3523 constant upper bound if it is not constant on entry.
3525 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
3528 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
3529 for initialization and setting of one_only flag to ...
3530 (i386_pe_encode_section_info): ...here.
3531 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
3532 Recheck that the symbol has not been defined.
3534 2006-06-23 Richard Guenther <rguenther@suse.de>
3536 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3537 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3538 alignment requests instead. Add verification code.
3539 Add struct tree_function_decl and struct tree_binfo size to
3540 extra_order_size_table. Add missing element to size_lookup
3543 2006-06-22 Roger Sayle <roger@eyesopen.com>
3544 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3547 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
3548 call to lang_hooks.types.type_for_mode returned NULL_TREE.
3550 2006-06-23 Ben Elliston <bje@au.ibm.com>
3552 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
3553 negate dn -- manipulate it directly.
3555 2006-06-22 Roger Sayle <roger@eyesopen.com>
3556 Steven Bosscher <stevenb.gcc@gmail.com>
3559 * reload1.c (gen_reload): Call mark_jump_label on the new insns
3560 generated by gen_move_insn to add REG_LABEL notes if necessary.
3562 2006-06-22 Bob Wilson <bob.wilson@acm.org>
3564 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
3565 (leaf_entry): Remove use of MIN_ESA.
3567 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
3569 PR rtl-optimization/28121
3570 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
3573 2006-06-21 DJ Delorie <dj@redhat.com>
3575 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
3577 (mulhisi3_r): Likewise.
3579 2006-06-21 Richard Sandiford <richard@codesourcery.com>
3582 * coverage.c (coverage_counter_alloc): Leave the index type
3584 (coverage_counter_alloc): Use null arguments for operands 2 and 3
3587 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
3589 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
3590 section from the "Options for Code Generation Conventions".
3592 2006-06-21 Richard Henderson <rth@redhat.com>
3596 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
3598 (global_symbolic_operand): Allow weak symbols, even if local_p.
3600 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
3602 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
3603 (find_interesting_uses_address): Punt if above function returns true.
3605 2006-06-21 Richard Guenther <rguenther@suse.de>
3607 * configure: Regenerated.
3609 2006-06-21 Joseph Myers <joseph@codesourcery.com>
3611 * config/mips/mips.c (function_arg): Where one part of a
3612 complex argument is in registers and the other part in the stack,
3613 return a REG not a PARALLEL.
3615 2006-06-21 Mark Mitchell <mark@codesourcery.com>
3617 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
3618 when cross-compiling. Do not substitute libstdcxx_incdir.
3619 * configure: Regenerated.
3621 2006-06-21 Jakub Jelinek <jakub@redhat.com>
3623 * varasm.c (mergeable_string_section): Check for embedded NULs and
3624 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
3625 rather than TREE_STRING_LENGTH bytes.
3627 2006-06-21 Richard Guenther <rguenther@suse.de>
3629 * ggc-page.c (extra_order_size_table): Add var_ann_d,
3630 tree_ssa_name, bitmap_element and phi_node with 4 arguments
3633 2006-06-21 Richrad Guenther <rguenther@suse.de>
3635 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
3636 Limit iteration over the dominators.
3638 2006-06-20 Roger Sayle <roger@eyesopen.com>
3640 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
3641 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
3643 2006-06-20 Richard Guenther <rguenther@suse.de>
3644 Michael Matz <matz@suse.de>
3646 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
3648 * alloc-pool.c (free_alloc_pool_if_empty): New function.
3649 * et-forest.h (et_free_pools): Prototype new function.
3650 * et-forest.c (et_free_tree_force): Free parent occurrence.
3651 (et_free_pools): New function.
3652 * dominance.c (free_dominance_info): Free et-forest alloc
3655 2006-06-20 Roger Sayle <roger@eyesopen.com>
3657 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
3658 integer modes, attempt to directly construct an integer constant.
3660 * fold-const.c (native_encode_vector): Determine the size of each
3661 element from the vector type instead of the first vector element.
3663 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
3664 if all of its elements/components are constant.
3665 (build_constructor_from_list): Likewise.
3667 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
3669 PR tree-optimization/27331
3670 * tree-data-ref.c (free_data_ref): New function.
3671 (create_data_ref): Fail if the data reference has unknown access
3673 (free_data_refs): Use free_data_ref.
3675 2006-06-19 Andrew Pinski <pinskia@gmail.com>
3678 * tree-inline.c (setup_one_parameter): Strip useless
3679 type conversion before adding it to the IR.
3680 (declare_return_variable): Likewise.
3682 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
3685 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
3687 2006-06-19 Mike Stump <mrs@apple.com>
3689 * tree.c (variably_modified_type_p): VM arguments don't make the
3692 2006-06-19 Richard Guenther <rguenther@suse.de>
3694 * tree-ssa-pre.c (try_combine_conversion): Strip useless
3695 type conversions after folding.
3697 2006-06-19 Richard Guenther <rguenther@suse.de>
3699 * ggc-page.c (extra_order_size_tab): Add entries with
3700 size of struct function and basic_block.
3701 (size_lookup): Extend to cover sizes up to 511.
3702 (ggc_alloc_stat): Adjust user.
3703 (ggc_pch_count_object): Likewise.
3704 (ggc_pch_alloc_object): Likewise.
3705 (ggc_pch_write_object): Likewise.
3707 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
3709 * tree-ssa-loop-niter.c (implies_ge_p): New function.
3710 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
3713 2006-06-19 Denis Chertykov <denisc@overta.ru>
3715 * config/avr/libgcc.S : Correct my wrong previous commit.
3717 2006-06-19 Roger Sayle <roger@eyesopen.com>
3720 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
3721 have stripped a SUBREG from the shift count, so we may need to
3722 convert_to_mode back to the type's mode before calling make_tree.
3723 Use new_amount instead of amount to avoid expanding a tree twice.
3725 2006-06-19 Richard Guenther <rguenther@suse.de>
3728 * fold-const.c (operand_equal_p): Check if the argument types
3729 have the same precision before stripping NOPs.
3731 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
3733 Fix PR tree-optimization/27341
3734 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
3736 * tree-complex.c (pass_lower_complex): Update SMT usage.
3738 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
3740 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
3741 Add a new alternative to the constraint strings. Add move of
3742 operand 1 to 3 to the splitter definition.
3743 ("doloop_si_long"): Second contraint alternative removed.
3745 2006-06-08 Anatoly Sokolov <aesok@post.ru>
3747 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
3748 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
3750 (AVR_HAVE_MOVW) Define.
3751 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
3752 (ASM_SPEC): Add avr25.
3753 (LINK_SPEC): Add avr25.
3754 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
3755 (base_arch_s): Add new member 'have_movw_lpmx'.
3756 (avr_arch_types): Init 'have_movw_lpmx'.
3757 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
3758 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
3759 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
3760 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
3761 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
3763 (avr_file_start): Do not output '.arh' derective.
3764 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
3765 (__do_copy_data): Use __AVR_HAVE_LPMX__.
3766 * config/avr/avr.md (mcu_enhanced): Delete.
3767 (mcu_have_movw): Define.
3768 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
3769 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
3770 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
3771 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
3772 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
3773 attiny861 and at86rf401 devices.
3775 2006-06-18 Jie Zhang <jie.zhang@analog.com>
3777 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
3780 2006-06-17 Karl Berry <karl@gnu.org>
3782 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
3783 doc/gccint.texi, doc/install.texi (@dircategory): Use
3784 "Software development" instead of "Programming", following
3785 the Free Software Directory.
3787 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
3789 * config/i386/i386.c (legitimate_tls_address)
3790 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
3791 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
3792 (*tls_dynamic_gnu2_combine_64): Likewise.
3794 2006-06-16 Richard Guenther <rguenther@suse.de>
3797 * fold-const.c (negate_expr_p): Do not introduce undefined
3798 overflow in negating INTEGER_CSTs.
3799 (fold_negate_expr): Rename from negate_expr. Revert last
3800 change for folding BIT_NOT_EXPR. Change semantics to
3801 return NULL_TREE for non-simplified negations. Do not
3802 strip type conversions and unify type handling.
3803 (negate_expr): New function, wrap around fold_negate_expr
3804 but ensure building a tree always. Strip type conversions
3805 here, fold to result type.
3806 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
3808 2006-06-16 Roger Sayle <roger@eyesopen.com>
3811 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
3812 that (would) return their results in stack registers.
3814 2006-06-16 Michael Matz <matz@suse.de>
3815 Richard Guenther <rguenther@suse.de>
3817 * fold-const.c (fold_truthop): Only return new tree node if
3818 we canonicalized something.
3820 2006-06-16 Richard Guenther <rguenther@suse.de>
3822 * function.h (enum function_frequency): Move declaration
3823 out of struct function.
3824 (struct function): Move bool fields and the enum to the bitfield
3825 section. Reorder elements to avoid padding. Remove unused
3826 fields left over from the RTL inliner removal.
3827 * function.c (free_after_compilation): Do not zero removed fields.
3828 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
3829 (ipa-type-escape.o): Likewise.
3831 2006-06-16 Richard Guenther <rguenther@suse.de>
3833 * cgraph.h (struct cgraph_local_info): Turn bool elements
3835 (struct cgraph_node): Likewise.
3836 (struct cgraph_varpool_node): Likewise.
3838 2006-06-15 Richard Guenther <rguenther@suse.de>
3840 * fold-const.c (fold_truth_not_expr): Rename from
3841 invert_truthvalue. Give it fold_* semantics to avoid
3843 (invert_truthvalue): New function. Wrapper around
3844 fold_truth_not_expr.
3845 (optimize_minmax_comparison): Avoid creating garbage.
3846 (fold_unary): Use fold_truth_not_expr for folding
3848 (fold_ternary): Replace uses of invert_truthvalue with
3849 fold_truth_not_expr where applicable.
3850 * tree.h (fold_truth_not_expr): Prototype.
3852 2006-06-16 Richard Guenther <rguenther@suse.de>
3854 PR tree-optimization/27781
3855 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
3856 * ipa-pure-const.c (target.h): Include.
3857 (analyze_function): Do not analyze functions that do not
3860 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
3863 * tree-dfa.c (referenced_vars_dup_list): Remove.
3864 (find_referenced_vars): Remove assert.
3865 (referenced_var_check_and_insert): Replace dup list with assert.
3866 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
3867 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
3869 2006-06-15 Richard Guenther <rguenther@suse.de>
3871 * tree-ssa-structalias.c (alias_get_name): Avoid creating
3872 extra unused identifiers if not dumping.
3873 (create_variable_info_for): Likewise.
3875 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
3877 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
3878 (derive_constant_upper_bound): Derive more precise upper bound in
3879 common cases. Return type changed to double_int.
3880 (record_estimate): Reflect the changed return type of
3881 derive_constant_upper_bound.
3882 * double-int.c (double_int_zext, double_int_sext): Fix.
3884 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
3886 * configure.ac (CFLAGS): Get them from the toplevel or from the
3887 configure invocation.
3888 * configure: Regenerate.
3889 * Makefile.in (CFLAGS): Substitute value provided by configure.
3891 2006-06-14 Mark Mitchell <mark@codesourcery.com>
3894 * c-common.h (c_finish_omp_atomic): Adjust declaration.
3895 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
3896 rather than calling add_stmt on it.
3897 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
3899 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
3902 * reload1.c (reload): Remove registers returned by update_eliminables
3903 from used_spill_regs.
3905 2006-06-13 DJ Delorie <dj@redhat.com>
3907 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
3909 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
3911 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
3912 html__strip_dir, html__mkdir_p. Enhance install-html target.
3913 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
3914 * configure: Regenerate.
3916 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
3918 * fold-const.c (fold_cond_expr_with_comparison): Check for
3919 Objective-C++ as language in deciding COND_EXPR transformation.
3921 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
3924 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
3925 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
3926 * config/sh/lib1funcs.h (SL, SL1): Define.
3927 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
3928 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
3929 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
3930 (OBJS_Os_4_200): New variable.
3931 ($(T)libgcc-Os-4-200.a): Use it.
3932 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
3933 when dividing 1 and/or by 0.
3935 2006-06-13 Roger Sayle <roger@eyesopen.com>
3937 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
3938 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
3939 * configure: Regenerate.
3941 2006-06-13 Jie Zhang <jie.zhang@analog.com>
3943 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
3944 for real instruction.
3946 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3949 * haifa-sched.c (check_cfg): Handle special case.
3951 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
3954 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
3955 Add debug_info parameter. Chain the vars to the BLOCK instead
3956 of the BIND_EXPR if debug info are requested for them.
3957 (pop_gimplify_context): Adjust for above change.
3958 (gimple_add_tmp_var): Likewise.
3959 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
3961 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
3962 (convert_local_reference): Likewise.
3963 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
3964 (finalize_nesting_tree_1): Request that debug info be emitted
3965 for debug_var_chain.
3967 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3969 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
3970 for PR target/27863.
3972 2006-06-13 Richard Guenther <rguenther@suse.de>
3975 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
3977 2006-06-13 Richard Guenther <rguenther@suse.de>
3979 PR tree-optimization/27830
3980 * tree-inline.c (copy_body_r): For copying the operand
3981 of an ADDR_EXPR make sure to fold &* afterwards.
3983 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
3985 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
3986 lvalues in the fb_none case with side-effects.
3988 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
3990 * tree-flow.h: Remove the prototype for
3991 compute_phi_arg_on_exit.
3992 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
3993 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
3996 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
3998 * builtins.c (expand_builtin_return_addr): Only use
3999 frame_pointer_rtx when count == 0 and we are expanding
4000 __builtin_return_address.
4002 2006-06-12 Fred Fish <fnf@specifix.com>
4004 * config/mips/mips.c (mips_file_start): Create special section
4005 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
4007 2006-06-11 Eric Christopher <echristo@apple.com>
4010 * stor-layout.c (place_field): Remove check for
4011 remaining_in_alignment when aligning at the end of a run.
4013 2006-06-11 Eric Christopher <echristo@apple.com>
4016 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
4019 2006-06-11 Roger Sayle <roger@eyesopen.com>
4022 Revert incorrect fix for PR target/27158
4023 2006-05-08 Roger Sayle <roger@eyesopen.com>
4024 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4025 of a reg_equiv_constant if the result is a legitimate constant.
4027 2006-06-11 Roger Sayle <roger@eyesopen.com>
4030 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
4031 extract a CONST_VECTOR element and interpret it as an integer.
4032 (vspltis_constant): Use const_vector_elt_as_int instead of the
4033 macro CONST_VECTOR_ELT in order to handle FP vector modes.
4034 * config/rs6000/predicates.md (easy_vector_const): Consider
4035 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
4037 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
4040 * stor-layout.c (update_alignment_for_field): Don't add extra
4041 alignment for packed non-bitfield fields in ms_bitfield_layout_p
4044 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
4046 * config/mips/t-rtems: Add EL/EB multilib variants.
4048 2006-06-09 Mike Stump <mrs@apple.com>
4050 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
4052 2006-06-09 David Daney <ddaney@avtrex.com>
4054 * doc/install.texi: Add binutils version recommendation for mips-*-*.
4056 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
4058 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
4060 2006-06-09 Richard Guenther <rguenther@suse.de>
4062 PR tree-optimization/26998
4063 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
4064 of signed types, only TYPE_MIN_VALUE is special, but for both,
4065 minimum and maximum value. Likewise VR_ANTI_RANGE is special
4066 in this case, as is -fwrapv.
4068 2006-06-08 Mike Stump <mrs@apple.com>
4071 * config/darwin.c (darwin_asm_output_anchor): Disable
4072 -fsection-anchors on darwin for now.
4073 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
4074 * rs6000/rs6000.c (optimization_options): Likewise.
4076 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4079 * config/i386/i386.c (classify_argument): Skip fields with invalid
4082 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
4084 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
4085 (cse_insn): Likewise for the stack_pointer_rtx.
4087 2006-06-08 Roger Sayle <roger@eyesopen.com>
4089 * tree-ssa-dom.c (record_conditions): Only record "unordered"
4090 conditions from floating point comparisons.
4092 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
4095 * expmed.c (struct alg_hash_entry): Fix type of field T
4096 to match synth_mult argument.
4097 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
4099 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4102 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
4105 2006-06-08 Richard Guenther <rguenther@suse.de>
4108 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
4109 only, if overflow is defined and not trapping.
4110 (negate_expr): Likewise.
4112 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4114 PR tree-optimization/27872
4115 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
4116 flag on the new exit edge of the unrolled loop.
4118 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4120 PR rtl-optimization/26449
4121 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
4123 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
4126 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
4127 referenced_variables with matching DECL_UID's.
4128 (find_referenced_vars): Make sure duplicate list is empty to start.
4129 (referenced_var_p): Remove.
4130 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
4131 Check if var is in the list, and add if needed. Update the duplicate
4132 list if a different var is in the list with the same DECL_UID.
4133 (add_referenced_var): Call routine to check and insert.
4134 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
4135 * tree-flow.h (referenced_vars_dup_list): External declaration.
4137 2006-06-07 Fred Fish <fnf@specifix.com>
4139 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
4142 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
4145 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
4146 the imaginary and real parts of a clobbered register.
4147 Emit insn to set the imaginary part.
4149 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
4151 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
4152 in lieu of unwind-dw2-fde.c.
4154 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4156 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
4158 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
4161 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
4162 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
4163 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
4164 V4SImode temporaries and operations instead.
4166 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
4168 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
4171 2006-06-06 Mike Stump <mrs@apple.com>
4173 * Makefile.in: Rename to htmldir to build_htmldir to avoid
4174 installing during build.
4176 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4178 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
4180 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4181 * config/ia64/ia64.c (params.h): New header.
4182 (ia64_optimization_options): New function to adjust parameters.
4183 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
4184 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
4185 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
4187 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
4189 * stor-layout.c (debug_rli): Fix a typo in a debug message.
4191 2006-06-05 Steve Ellcey <sje@cup.hp.com>
4194 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
4196 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
4197 Victor Kaplansky <victork@il.ibm.com>
4199 PR tree-optimization/26360
4200 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
4203 2006-06-04 Roger Sayle <roger@eyesopen.com>
4204 Andrew Pinski <pinskia@physics.uc.edu>
4207 * c-common.c (c_common_truthvalue_conversion): Explicitly check
4208 for LABEL_DECL before calling DECL_WEAK.
4211 * c-typeck.c (build_binary_op): Likewise, explicitly check for
4212 LABEL_DECL and PARM_DECL.
4214 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
4218 * c-decl.c (grokdeclarator): Disallow variably modified types at
4219 file scope. Avoid marking shared array type of constant size as
4222 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4225 * c-common.c (fold_offsetof_1): Handle static members.
4227 2006-06-04 Eric Christopher <echristo@apple.com>
4229 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
4230 (debug_rli): Output value for remaining_in_alignment.
4231 (update_alignment_for_field): Unconditionalize
4232 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
4233 extra alignment code.
4234 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
4235 ms_bitfield_layout_p code. Rewrite handling of structure fields.
4236 * tree.h (record_layout_info_s): Remove prev_packed.
4237 * doc/extend.texi (ms_struct): Add documentation of format.
4239 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
4241 * tree.h: Declare folding_initializer.
4242 * builtins.c (fold_builtin_constant_p): Give definite answer
4243 if folding inside an initializer.
4244 * fold-const.c: Define folding_initializer.
4245 (START_FOLD_INIT): Save and then set folding_initializer.
4246 (END_FOLD_INIT): Restore folding_initializer.
4248 2006-06-04 Richard Guenther <rguenther@suse.de>
4250 PR tree-optimization/27039
4251 * fold-const.c (fold_comparison): Handle pointer comparison
4252 again for all comparison codes. Compare offsets in signed
4254 (fold_binary): Move code from here.
4256 2006-06-03 Roger Sayle <roger@eyesopen.com>
4259 * config/i386/i386.c (construct_container): Split static issued_error
4260 flag into issued_sse_arg_error, issued_sse_ret_error and
4261 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
4262 requires the use of x87 registers and the user explicitly
4263 specified the -mno-80387 command line option.
4265 2006-06-02 Geoffrey Keating <geoffk@apple.com>
4267 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
4268 HAVE_DECL_SIGALTSTACK.
4270 (segv_handler): Use MC_FLD.
4271 * configure.ac: Check for a sigaltstack declaration.
4272 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
4273 * configure: Regenerate.
4274 * config.in: Regenerate.
4276 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
4279 * Makefile.in (stmp-fixinc): Fix typo.
4281 2006-06-02 Roger Sayle <roger@eyesopen.com>
4283 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
4284 are type correct. Clean-up.
4285 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
4286 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
4288 2006-06-01 DJ Delorie <dj@redhat.com>
4290 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
4291 shift, as we've disabled the "switch" insn that needs it.
4293 2006-06-01 Per Bothner <bothner@bothner.com>
4295 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
4296 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
4297 * c-ppoutput.c (cb_define): Don't increment line 0.
4299 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
4301 * doc/invoke.texi: Add cpu_type power6.
4302 * config.gcc: Add cpu_type power6.
4303 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
4304 to power5+ with Altivec.
4305 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
4306 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
4308 2006-05-30 Anatoly Sokolov <aesok@post.ru>
4310 * config/avr/avr.h (SET_ASM_OP): Define.
4312 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
4314 * config/bfin/bfin.c: Fix comment typos.
4316 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4319 * doc/install.texi: Document --enable-bootstrap and
4320 --disable-bootstrap.
4322 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4324 * doc/install.texi: Document that InfoZIP can replace jar.
4326 2006-05-31 Roger Sayle <roger@eyesopen.com>
4328 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
4329 isn't available, directly generate the simpler x87 patterns without
4330 the (use (const_int 0)).
4331 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
4332 implementation isn't available.
4333 (*negdf2_1): Likewise.
4334 (*negxf2_1): XF mode negation is always done using the x87.
4335 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
4337 2006-05-31 Roger Sayle <roger@eyesopen.com>
4339 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
4340 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
4342 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
4344 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4346 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
4347 * config/bfin/bfin.c (basic-block.h): Include.
4348 (struct machine_function): New.
4349 (bfin_init_machine_status): New.
4350 (override_options): Initialize init_machine_status.
4351 (bfin_hardware_loop): New.
4352 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
4353 (DEF_VEC_P (loop_info)): New.
4354 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
4355 (struct loop_info): New.
4356 (loop_info): New typedef.
4357 (struct loop_work): New.
4358 (loop_work): New typedef.
4359 (DEF_VEC_O (loop_work)): New.
4360 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
4361 (bfin_dump_loops): New.
4362 (bfin_bb_in_loop): New.
4363 (bfin_scan_loop): New.
4364 (bfin_optimize_loop): New.
4365 (bfin_reorg_loops): New.
4366 (bfin_reorg): Use bfin_reorg_loops.
4367 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
4369 (I_REGNO_P): Simplify.
4370 (DP_REGNO_P, DPREG_P): New macros.
4371 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
4372 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
4373 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
4374 Add LT_REGS, LC_REGS, LB_REGS.
4375 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
4377 (REGNO_REG_CLASS): Deal with loop registers.
4378 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
4380 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
4381 New constants for loop registers.
4382 (UNSPEC_LSETUP_END): New.
4383 (seq_insns): New define_attr. Set it for appropriate insns.
4384 (movsi_insn): Add alternatives for move from/to
4385 loop count registers.
4386 (doloop_end): New define_expand.
4387 (loop_end): New define_insn.
4388 (define_split for bad doloop_end): New.
4389 (lsetup_with_autoinit): New define_insn.
4390 (lsetup_without_autoinit): New define_insn.
4391 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
4392 * config/bfin/predicates.md (lc_register_operand): New.
4393 (lt_register_operand): New.
4394 (lb_register_operand): New.
4395 (nondp_register_operand): New.
4396 (nondp_reg_or_memory_operand): New.
4397 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
4399 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4401 * config/bfin/bfin.c (bfin_delegitimize_address): New.
4402 (TARGET_DELEGITIMIZE_ADDRESS): Define.
4404 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
4406 * Makefile.in (CATALOGS): Add po/ prefix.
4407 * configure: Regenerated.
4409 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
4412 * arm.c (arm_print_operand case 'S'): Validate that the operand is
4413 a shift operand before calling shift_op. Avoid redundant call of
4416 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
4417 DJ Delorie <dj@redhat.com>
4419 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
4420 we're inserting is a singlt-bit constant.
4422 2006-05-30 Roger Sayle <roger@eyesopen.com>
4424 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
4425 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
4427 2006-05-30 Roger Sayle <roger@eyesopen.com>
4429 PR tree-optimization/23452
4430 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
4431 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
4432 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
4433 complex values and with -ffast-math for FP complex values.
4435 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
4437 * c-common.h: Remove the prototype for yyparse.
4438 * rtl.h: Remove the prototype for init_loop.
4440 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
4442 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
4445 2006-05-30 Roger Sayle <roger@eyesopen.com>
4447 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
4449 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
4450 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
4452 2006-05-30 Dirk Mueller <dmueller@suse.de>
4455 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
4456 for CONSTANT_CLASS_P expresisons.
4458 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4461 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
4463 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
4465 PR tree-optimization/27779
4466 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
4467 initial_condition instead of CHREC_LEFT.
4469 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
4471 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
4472 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
4473 Make prototypes ISO C90.
4475 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
4476 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4478 * see.c (see_analyze_one_def): Correct check.
4479 (see_get_extension_data): Check if extension is parallel.
4480 (see_get_extension_reg): Likewise.
4482 2006-05-30 Uros Bizjak <uros@kss-loka.si>
4485 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
4486 into register for (code == GTU).
4488 2006-05-29 Roger Sayle <roger@eyesopen.com>
4490 PR tree-optimization/24964
4491 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
4492 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
4493 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
4494 abs(x)*abs(x) as x*x for scalar floating point modes.
4496 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
4499 * lambda-code.c (perfect_nestify): Don't copy statements
4500 in the inner loop: move them to the inner loop header.
4502 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4505 * c-tree.texi: Document OpenMP directives and clauses.
4507 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4509 * varasm.c (globalize_decl): Fix indentation.
4511 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4514 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
4515 pass_fre, pass_store_ccp, pass_copy_prop,
4516 pass_store_copy_prop, pass_merge_phi, pass_nrv,
4517 pass_return_slot, pass_object_size, pass_lim,
4518 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
4519 pass_loop_prefetch and pass_stdarg.
4521 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
4523 * config/bfin/bfin.opt (mfdpic): New option.
4524 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
4525 (EXTRA_MULTILIB_PARTS): Likewise.
4526 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
4527 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
4529 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
4530 (CRT_CALL_STATIC_FUNCTION): New.
4531 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
4533 (CRT_CALL_STATIC_FUNCTION): New.
4534 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
4536 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
4537 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
4538 (initialize_trampoline): Changed to handle FD-PIC code generation.
4539 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
4540 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
4541 (override_options): Disallow -mid-shared-library -mfdpic combination.
4542 Can't do unaligned ops if FD-PIC.
4543 Turn off flag_pic if trying to generate non-id-shared-library
4544 non-fdpic code, since it's not supported.
4545 (bfin_assemble_integer): New function.
4546 (TARGET_ASM_INTEGER): Define.
4547 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
4549 * config/bfin/crtn.s: Restore them.
4550 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
4552 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
4553 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
4554 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
4555 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
4556 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
4558 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
4559 FDPIC_REGS and FDPIC_FPTR_REGS.
4560 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
4561 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
4562 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
4563 (load_funcdescsi): New pattern.
4564 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
4565 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
4566 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
4568 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4570 * gcse.c, rtlanal.c: Remove obsolete comments associated with
4573 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
4575 * tree-flow.h: Remove the prototype for add_type_alias.
4576 * tree-ssa-alias.c (add_type_alias): Remove.
4578 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
4580 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
4581 config/fr30/fr30.md, config/i386/i386-interix.h,
4582 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
4583 config/sh/superh64.h, config/v850/v850.c, df-core.c,
4584 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
4585 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
4586 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
4587 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
4588 Follow spelling conventions.
4589 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
4590 Follow spelling conventions.
4592 2006-05-27 Richard Guenther <rguenther@suse.de>
4595 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
4596 to produce a constant of value 1 of generic type.
4598 2006-05-27 Dirk Mueller <dmueller@suse.de>
4600 * cgraphunit.c (decide_is_function_needed): Fix wrong
4603 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
4605 PR rtl-optimization/27661
4606 * reload.c (find_reloads): When reloading a VOIDmode constant
4607 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
4608 use Pmode as mode of the reload register.
4610 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
4612 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
4613 is enabled at -O and above.
4615 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
4618 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
4621 2006-05-25 Mark Mitchell <mark@codesourcery.com>
4624 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
4625 for anonymous variables explicitly declared by front ends.
4627 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4629 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
4630 (struct alias_info): Add new field ref_all_symbol_mem_tag.
4631 * tree-ssa-alias.c (compute_may_aliases): If the program contains
4632 ref-all pointers, run a finalization pass for them.
4633 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
4634 (finalize_ref_all_pointers): New function.
4635 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
4636 regular pointer type to a ref-all pointer type.
4637 (get_tmt_for): Return the special memory tag for ref-all pointers.
4639 2006-05-25 Richard Guenther <rguenther@suse.de>
4642 * fold-const.c (fold_binary): Do not look at the stripped
4643 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
4645 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4647 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
4648 for LT and GT if the computed range is effectively empty.
4650 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4653 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
4654 mips_quad_format formats instead of ieee_single_format,
4655 ieee_double_format and ieee_quad_format formats, respectively.
4657 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
4659 PR tree-optimization/27639
4660 PR tree-optimization/26719
4661 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
4662 call to scev_probably_wraps_p.
4663 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
4664 used_in_pointer_arithmetic_p, convert_step): Removed.
4665 (nowrap_type_p): New function.
4666 (scev_probably_wraps_p): Rewritten.
4667 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
4668 chrec_convert if chrec_convert_aggressive might have been used.
4669 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
4670 scev_direction): New functions.
4671 (chrec_convert): Changed to a wrapper over chrec_convert_1.
4672 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
4673 instead of convert_step.
4674 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
4675 (convert_step): Declaration removed.
4676 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
4678 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
4680 * df-core.c: Added to header comments.
4681 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
4682 df_ur_bb_info, df_urec_bb_info): Added comments.
4683 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
4684 urec, ri problems): Fixed header comments.
4685 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
4686 code from df_rd_transfer_function.
4688 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4690 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
4691 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
4692 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
4694 2006-05-23 Joseph Myers <joseph@codesourcery.com>
4696 * expr.c (undefined_operand_subword_p): New.
4697 (emit_move_multi_word): Do not generate move from undefined bits
4698 of a paradoxical subreg.
4700 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4702 PR rtl-optimization/27736
4703 * combine.c (replaced_rhs_value): New variable.
4704 (combine_instructions): Set it.
4705 (distribute_notes): When distributing a note in replaced_rhs_insn,
4706 check whether the value was used in replaced_rhs_value.
4708 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
4711 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
4712 add_referenced_var instead of add_referenced_tmp_var.
4713 * tree-complex.c (create_one_component_var): Use add_referenced_var.
4714 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
4716 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
4717 tree_optimize_tail_calls_1): Use add_referenced_var.
4718 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
4719 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
4720 Use add_referenced_var.
4721 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
4722 * gimplify.c (force_gimple_operand): Use add_referenced_var.
4723 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
4724 Use add_referenced_var.
4725 * tree-dfa.c (struct walk_state): Remove.
4726 (find_referenced_vars): Remove walk state and vars_found hash table.
4727 (make_rename_temp): Use add_referenced_var.
4728 (find_vars_r): Pass less parameters to add_referenced_var.
4729 (referenced_var_p): New. Is var in referenced_var hash table.
4730 (referenced_var_insert): Assert var isn't already in hash table.
4731 (add_referenced_var): Don't need walk_state parameter. Add var if it
4732 isn't already in the hash table.
4733 (add_referenced_tmp_var): Remove.
4734 (find_new_referenced_vars_1): Use add_referenced_var.
4735 * tree-ssa-pre.c (create_expression_by_pieces,
4736 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
4737 Use add_referenced_var.
4738 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
4739 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
4740 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
4742 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
4743 vect_create_data_ref_ptr, vect_create_destination_var,
4744 vect_init_vector, vect_build_loop_niters,
4745 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
4746 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
4747 Use add_referenced_var.
4748 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
4749 * tree-flow.h (add_referenced_tmp_var): Remove prototype
4750 (add_referenced_var): Add prototype.
4751 * tree-ssa-structalias.c (get_constraint_for,
4752 intra_create_variable_infos): Use add_referenced_var.
4754 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
4756 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
4757 big-endian paradoxical subregs.
4758 * var-tracking.c (struct micro_operation_def): Document that,
4759 for modify micro operations, insn is the subsequent instruction.
4760 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
4761 (var_reg_set, var_mem_set): ... new functions.
4762 (add_stores): Record subsequent insn.
4763 (compute_bb_dataflow): Use new functions for MO_USE.
4764 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
4765 notes after the insn, and modify notes before the insn known
4766 to be the subsequent one.
4767 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
4769 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
4772 * config/i386/i386.c (ix86_expand_builtin): Use
4773 gen_sse3_monitor64 for TARGET_64BIT.
4775 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
4777 PR rtl-optimization/26375
4778 PR rtl-optimization/26855
4779 * df-problems (df_ru_bb_local_compute_process_def): Removed update
4781 (df_ru_bb_local_compute): Reversed statements and removed bogus
4782 comment explaining why they should be in wrong order.
4783 (df_ru_dump, df_rd_dump): Enhanced debug info.
4784 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
4786 * ddg.c (add_deps_for_def): Converted use of reaching defs to
4787 reaching uses and fixed space problem.
4789 2006-05-23 Jan Hubicka <jh@suse.cz>
4791 * cgraphunit.c (decide_is_function_needed): Also nested functions
4792 and functions declared inline can be optimized out at -O0.
4794 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
4796 * doc/install.texi (Configuration): Remove reference to CrossGCC
4800 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4803 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
4804 ix86_compare_emitted is non-NULL.
4806 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4809 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
4812 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4814 PR rtl-optimization/25514
4815 * combine.c (replaced_rhs_insn): New variable.
4816 (combine_instructions): Set replaced_rhs_insn when trying to replace
4817 a SET_SRC with a REG_EQUAL note.
4818 (distribute_notes): Use replaced_rhs_insn when determining the live
4819 range of a REG_DEAD register.
4821 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
4822 Anatoly Sokolov <aesok@post.ru>
4824 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
4825 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
4826 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
4827 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
4828 atmega3290, atmega649, atmega6490, atmega406, atmega640,
4829 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
4830 at90usb647, at90usb1286 and at90usb1287 devices.
4831 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4832 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4834 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4836 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
4838 2006-05-22 Richard Guenther <rguenther@suse.de>
4841 2006-01-31 Richard Guenther <rguenther@suse.de>
4842 Paolo Bonzini <bonzini@gnu.org>
4844 * doc/install.texi (--disable-libgcc-math): Document.
4846 2006-05-22 Richard Guenther <rguenther@suse.de>
4849 2006-01-31 Richard Guenther <rguenther@suse.de>
4851 * doc/invoke.texi (-msselibm): Document.
4852 * target.h (expand_library_builtin): New target hook.
4853 * builtins.c (expand_builtin): Use expand_library_builtin.
4854 (default_expand_library_builtin): New function.
4855 * gcc.c (LINK_GCC_MATH_SPEC): Define.
4856 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
4857 (link_gcc_math_spec): Declare.
4858 (static_specs): Add link_gcc_math_spec.
4859 * expr.h (default_expand_library_builtin): Declare.
4860 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4861 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
4862 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
4863 * config/i386/i386.opt (msselibm): New target option.
4864 * config/i386/i386.c (ix86_builtin_function_variants): New array.
4865 (ix86_init_sse_abi_builtins): New function.
4866 (ix86_expand_library_builtin): Likewise.
4867 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4868 (override_options): Handle error conditions wrt -msselibm.
4869 (ix86_builtins): Add function codes for SSE2 ABI builtins.
4870 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
4871 * doc/extend.texi (__builtin_sse2_*): Document new target specific
4874 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4877 * c-common.c (self_promoting_args_p): Skip erroneous args.
4880 * c-decl.c (finish_struct): Skip erroneous fields.
4882 2006-05-22 Nick Clifton <nickc@redhat.com>
4884 * config/cris/cris.opt (march): Remove VarExists attribute.
4885 (max-stackframe=): Likewise.
4887 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4889 * doc/rtl.texi: Fix a typo.
4890 * see.c: Fix comment typos.
4892 * tree-ssa-structalias.h (alias_info): Remove num_references.
4894 2006-05-21 Mike Stump <mrs@apple.com>
4896 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
4898 (darwin_pragma_options): Use BAD instead.
4899 (darwin_pragma_unused): Likewise.
4900 (darwin_pragma_ms_struct): Likewise.
4902 2006-05-21 David Edelsohn <edelsohn@gnu.org>
4904 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
4906 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
4908 PR rtl-optimization/27671
4909 * simplify-rtx.c (simplify_relational_operation_1): Fix
4910 simplifications of (eq/ne (xor x y) y) and
4911 (eq/ne (xor x y) x).
4913 PR tree-optimization/26622.
4914 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
4917 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4919 * tree-cfg.c: Prune whitespace.
4920 (debug_tree_cfg): Point to correct header containing the
4923 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4926 * cgraphunit.c (verify_cgraph_node): Typo in error message.
4928 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
4931 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
4932 or sorry count is non zero.
4934 2006-05-20 Andreas Schwab <schwab@suse.de>
4936 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
4938 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
4939 Kenneth Zadeck <zadeck@naturalbridge.com>
4941 PR rtl-optimization/26855
4943 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
4945 (df_scan_alloc): Added code to properly handle multiword hard
4946 registers and add all_blocks parameter.
4947 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
4948 code to properly handle multiword hard registers.
4949 (df_rescan_blocks): Added code to remove deleted blocks from
4951 (df_ref_create_structure, df_ref_record): Added code to properly
4953 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
4954 and set DF_REF_PARTIAL.
4955 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
4956 (df_uses_record): Added DF_REF_PARTIAL for subreg.
4957 (df_scan_add_problem): Added flags parameter.
4958 (df_ref_create_structure): Changed switching structure.
4959 (df_bb_refs_record): Fixed case where duplicate artificial refs
4960 were created. Changed location of flags.
4961 (df_record_entry_block_defs): Added code to make stack pointer
4962 live in entry block. Refined cases where frame pointer is needed.
4963 Changed location of flags.
4964 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
4965 (df_set_state): Removed function.
4966 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
4967 df_insn_create_insn_record, df_insn_refs_delete,
4968 df_ref_create_structure): Formatting changes.
4969 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
4970 df_delete_basic_block): New function.
4971 (df_init): Changed location of flags.
4972 (df_add_problem): Added flags parameter and the way flags are
4974 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
4975 debug_df_chain): Improved debugging output.
4976 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
4977 (df_refs_chain_dump): Removed df parameter.
4978 (df_iterative_dataflow): Added consistency check.
4979 (df_prune_to_subcfg): Made public.
4980 (df_analyze_problem): Added blocks_to_init parameter and made
4982 (df_ref_record, df_bb_refs_record, df_mark_reg,
4983 df_record_exit_block_uses): Whitespace changes.
4984 (df_dump): Whitespace changes.
4985 * df.h: Some reordering to remove forward references.
4986 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
4987 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
4988 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
4989 (dataflow.flags): New field.
4990 (df.flag): Deleted field.
4991 (df_alloc_function): Added additional bitmap parameter.
4992 (df_dependent_problem_function): New type.
4993 (df_problem.changeable_flags): New field.
4994 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
4995 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
4996 (df_mw_hardreg): New struct.
4997 (DF_INSN_UID_MWS): New macro.
4998 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5000 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5001 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5002 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5003 (df_set_state): Removed function.
5004 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
5005 * df-problems.c (df_chain_dump): Removed df parameter.
5006 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
5007 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
5009 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
5010 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
5011 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
5012 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
5013 DF_REF_MUST_CLOBBER cases.
5014 (df_ru_bb_local_compute_process_def,
5015 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
5016 df_lr_bb_local_compute, df_ur_bb_local_compute,
5017 df_chain_create_bb): Made subreg aware.
5018 (df_ru_bb_local_compute, df_rd_bb_local_compute,
5019 df_lr_bb_local_compute, df_lr_bb_local_compute,
5020 df_chain_create_bb): Cleanup to use proper macros.
5021 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
5022 code to fixup bitvectors.
5023 (df_ri_alloc): Cleared lifetime.
5024 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
5025 df_create_unused_note): New function.
5026 (df_ri_bb_compute, df_ri_compute): Added code to create/update
5027 REG_DEAD and REG_UNUSED notes as well as register information.
5028 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
5029 df_chains_dump): Fixed crash if problem was never run.
5030 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
5031 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
5032 df_ri_add_problem): Processes flags in uniform manner.
5033 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
5034 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
5035 df_rd_dump, df_urec_free_bb_info): Formatting changes.
5036 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
5037 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
5038 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
5039 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
5040 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
5041 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
5042 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
5043 * see.c (see_initialize_data): Ditto.
5044 * final.c (rest_of_clean_state) Added regstack_completed.
5045 * rtl.h (regstack_completed): Ditto.
5046 * reg-stack.c (regstack_completed): Ditto.
5048 2006-05-19 Mike Stump <mrs@apple.com>
5050 * c-tree.h (default_conversion): Remove.
5051 * c-common.h (default_conversion): Add.
5053 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
5055 * tree-vrp.c (valid_value_p): New function.
5056 (adjust_range_with_scev): Fail if the value of bound is not
5059 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5061 * config/mips/linux-unwind.h: Include <asm/unistd.h>
5062 (mips_fallback_frame_state): Use syscall numbers to determine
5063 the appropriate li instruction for the current ABI. Only use
5064 __NR_sigreturn for o32.
5066 2006-05-19 Nicolas Setton <setton@adacore.com>
5068 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
5069 * langhooks.c (lhd_dwarf_name): New function.
5070 * langhooks-def.h (lhd_dwarf_name): Declare.
5071 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
5072 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
5073 * ada/misc.c (gnat_dwarf_name): New function.
5074 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
5076 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5078 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
5080 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
5081 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
5082 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
5083 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
5084 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
5085 determine the size of Wtype, etc.
5086 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
5087 (swfloatfuncs): New variable.
5088 (dwfloatfuncs): Likewise.
5089 (lib2funcs): Remove floating-point conversion functions from
5090 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
5091 the set of conversion routines needed. Allow entries to specify
5092 an object name, filename and word size. Update users accordingly.
5093 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
5094 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
5098 2006-02-08 Roger Sayle <roger@eyesopen.com>
5101 * config/fixtfdi.c: New libgcc source file.
5102 * config/fixunstfdi.c: New source file.
5103 * config/floatditf.c: New source file.
5104 * config/floatunditf.c: New souce file.
5105 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5106 files above instead of config/mips/_tilib.c.
5107 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5109 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5111 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
5112 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
5114 2006-05-18 Mike Stump <mrs@apple.com>
5116 Fix up vla, vm and [*] sematics.
5122 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
5123 (c_vla_unspec_p): Add.
5124 (c_vla_type_p): Add.
5125 * c-decl.c (struct c_scope): Add had_vla_unspec.
5126 (build_array_declarator): Add support for [*].
5127 (grokdeclarator): Likewise.
5128 (grokparms): Likewise.
5129 (get_parm_info): Likewise.
5130 * c-objc-common.c (c_vla_unspec_p): Likewise.
5131 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
5132 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
5133 typeof when argument is a variably modified type not inside sizeof or alignof.
5134 (c_parser_direct_declarator_inner): Propagate errors.
5135 (c_parser_sizeof_expression): Add support for [*].
5136 (c_parser_parms_declarator): Initialize had_vla_unspec.
5137 (c_parser_parms_list_declarator): Likewise.
5138 * c-typeck.c (c_vla_type_p): Add.
5139 (composite_type): Add support for vla compositing.
5140 (comptypes_internal): Add support for vla compatibility.
5141 (c_expr_sizeof_expr): Evaluate vla arguments.
5142 * tree.c (variably_modified_type_p): Update comment for [*].
5144 2006-05-18 Michael Matz <matz@suse.de>
5147 * config.host: Make assignments to host_xmake_file cumulative.
5148 * config.host (*-darwin*): Test $host, not $target.
5150 2006-05-12 Stuart Hastings <stuart@apple.com>
5152 * config/i386/i386.opt (-mstackrealign): New flag.
5153 * config/i386/i386.c (force_align_arg_pointer): New attribute.
5154 (ix86_handle_cconv_attribute): Emit error when
5155 force_align_arg_pointer attribute collides with too many regparms.
5156 (ix86_function_regparm): Limit regparms when used with
5157 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
5158 Support stack-realigning prologue in non-main functions. Emit
5159 warning for nested functions under -mstackrealign, emit error for
5160 nested functions with force_align_arg_pointer attribute.
5161 * doc/extend.texi (force_align_arg_pointer): Document it.
5162 * doc/invoke.texi (-mstackrealign): Document it.
5164 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
5166 PR rtl-optimization/27477
5167 * combine.c (try_combine): Don't split a parallel consisting
5168 of two sets into two individual sets if both sets reference
5171 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
5173 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
5174 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
5176 * doc/options.texi (VarExists): Updated.
5178 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5180 * unwind-dw2.c: Add declarations for uw_update_context and
5182 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
5183 detected, advance frame state and context once to skip over stub.
5185 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5189 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
5190 Call rewrite_into_loop_closed_ssa only when something changed.
5191 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
5192 * lambda-code.c (can_convert_to_perfect_nest): Declared.
5193 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
5194 Test for perfect_nest_p here. Fix formating.
5195 (replace_uses_equiv_to_x_with_y): Fix formating.
5196 (stmt_uses_op): Removed.
5197 (can_convert_to_perfect_nest): Removed loopivs parameter.
5198 Complete the test by checking the scalar dependences.
5199 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
5202 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5205 From Dan Kegel <dank@kegel.com>:
5206 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
5208 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
5210 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
5211 if the element type is variably modified without recursing.
5213 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5216 * tree-loop-linear.c (try_interchange_loops): Test for
5217 no data dependences.
5219 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
5221 PR tree-optimization/27548
5222 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
5223 range of ssa names that appear on abnormal edges.
5224 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
5225 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
5227 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5230 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
5232 2006-05-17 Jakub Jelinek <jakub@redhat.com>
5235 * tree.h (OMP_PARALLEL_COMBINED): Define.
5236 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
5237 (new_omp_context): Add is_combined_parallel argument.
5238 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
5239 new_omp_context caller.
5240 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
5241 Adjust gimplify_scan_omp_clauses callers.
5242 (omp_is_private): Issue errors if iteration variable is firstprivate
5243 or reduction in the current context.
5244 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
5245 on combined parallel workshare constructs.
5247 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5249 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
5250 (gcc-options.o): New rule.
5252 * optc-gen.awk: Protect variables for gcc-options.o with
5253 #ifdef GCC_DRIVER/#endif.
5255 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
5257 Fix PR tree-optimization/27373
5258 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
5259 (forward_propagate_addr_expr): Update call.
5261 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5263 * doc/options.texi: Move the Negative option.
5265 2006-05-16 Richard Guenther <rguenther@suse.de>
5267 PR tree-optimization/22303
5268 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
5270 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
5271 ccp_fold did not simplify the statement.
5273 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5276 * Makefile.in (GCC_OBJS): New.
5277 (OBJS-common): Add opts-common.o.
5278 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
5279 (cpp$(exeext)): Likewise.
5280 (gcc.o): Also depend on opts.h.
5281 (opts-common.o): New.
5283 * common.opt (gcoff): Add Negative(gdwarf-2).
5284 (gdwarf-2): Add Negative(gstabs).
5285 (gstabs): Add Negative(gstabs+).
5286 (gstabs+): Add Negative(gvms).
5287 (gvms): Add Negative(gxcoff).
5288 (gxcoff): Add Negative(gxcoff+).
5289 (gxcoff+): Add Negative(gcoff).
5290 * config/i386/i386.opt (m32): Add Negative(m64).
5291 (m64): Add Negative(m32).
5293 * doc/options.texi: Document the Negative option.
5295 * gcc.c: Include "opts.h".
5296 (main): Call prune_options after expandargv.
5298 * optc-gen.awk: Generate common declarations for all flag
5299 variables in options.c. Output the neg_index field.
5301 * opts.c (find_opt): Moved to ...
5302 * opts-common.c: Here. New file.
5304 * opts.h (cl_option): Add a neg_index field.
5306 (prune_options): Likewise.
5308 2006-05-16 Jakub Jelinek <jakub@redhat.com>
5311 * omp-low.c (expand_omp_parallel): Don't assert
5312 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
5313 instead search for it.
5316 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
5319 2006-05-16 Andreas Schwab <schwab@suse.de>
5321 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
5324 2006-05-15 Roger Sayle <roger@eyesopen.com>
5327 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
5328 integer constants other than zero are only legitimate on TARGET_64BIT.
5329 <CONST_VECTOR> Only zero vectors are legitimate.
5330 (ix86_cannot_force_const_mem): Integral and vector constants can
5331 always be put in the constant pool.
5333 2006-05-16 DJ Delorie <dj@redhat.com>
5335 * crtstuff.c (__dso_handle): Set section from
5336 TARGET_LBIGCC_SDATA_SECTION if defined.
5337 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
5338 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
5340 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
5343 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
5346 2006-05-16 Ben Elliston <bje@au.ibm.com>
5348 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
5350 2006-05-15 Per Bothner <per@bothner.com>
5352 * tree.c: (last_annotated_node): Use source_locus typedef.
5353 This permits bootstrapping with --enable-mapped-location.
5355 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
5357 PR tree-optimization/26830
5358 * tree-into-ssa.c (struct ssa_name_info): Add age field.
5359 (info_for_ssa_name, current_info_for_ssa_name_age,
5360 blocks_to_update): New variables.
5361 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
5362 (clear_ssa_name_info, initialize_flags_in_bb,
5363 mark_block_for_update): New functions.
5364 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
5365 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
5366 prepare_def_site_for): Use mark_block_for_update.
5367 (mark_def_interesting): Assert that the processed block is marked in
5368 blocks_to_update. Do not take blocks argument.
5369 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
5371 (rewrite_update_init_block, rewrite_update_stmt): Only process
5372 blocks with statements to rewrite.
5373 (delete_update_ssa): Do not clear SSA_NAME_AUX.
5374 (update_ssa): Initialize and free blocks_to_update. Do not
5375 clear flags on statements. Do not use blocks bitmap.
5376 * tree.h (SSA_NAME_AUX): Removed.
5377 (struct tree_ssa_name): Removed aux field.
5378 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
5380 2006-05-15 Richard Guenther <rguenther@suse.de>
5382 PR tree-optimization/27603
5383 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5384 Do computations in original type.
5386 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
5388 * see.c: Code style changes such as redundant paranthesis,
5389 redundant intialization of local variables etc.
5390 (see_main): Declared now as static.
5391 * doc/invoke.texi: Update that -fsee is not enabled by
5394 2006-05-15 Jakub Jelinek <jakub@redhat.com>
5396 * omp-low.c (check_omp_nesting_restrictions): New function.
5397 (scan_omp_1): Call it.
5400 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
5401 construct, return *VAR.
5403 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
5405 PR rtl-optimization/27406
5406 * bt-load.c (migrate_btr_def): Skip the block having abnormal
5409 2006-05-14 Roger Sayle <roger@eyesopen.com>
5411 PR rtl-optimization/27538
5412 * combine.c (expand_compound_operation): Call gen_lowpart
5413 before calling simplify_shift_const.
5415 2006-05-14 Roger Sayle <roger@eyesopen.com>
5417 PR rtl-optimization/22563
5418 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
5419 a fixed width bitfield, always force the intermediates into psuedos.
5421 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
5424 * mkconfig.sh: Use operator = instead of == for test.
5426 2006-05-13 Nick Clifton <nickc@redhat.com>
5428 * dwarf2out.c (dbx_reg_number): Check return value from
5429 LEAF_REG_REMAP and only use it if it is valid.
5430 (multiple_reg_loc_descriptor): Likewise.
5432 2006-05-13 Richard Guenther <rguenther@suse.de>
5434 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
5437 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
5439 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
5440 information attached to non-INSNs such as NOTEs.
5441 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
5443 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
5445 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
5447 * config/s390/s390.md: Adjust comment describing On constraint.
5449 2006-05-11 Jan Hubicka <jh@suse.cz>
5451 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
5452 to be output at -O0.
5454 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5457 * fold-const.c (size_binop): Move sanity check for arguments to
5458 the beginning of the function.
5461 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
5464 2006-05-11 Richard Guenther <rguenther@suse.de>
5467 * fold-const.c (fold_unary): Handle intermediate conversion
5468 to a pointer type like intermediate conversion to an integer
5469 type in folding of (T1)(T2)var to var.
5470 Match the code to the comment in the final conversion for
5471 (T1)(T2)var to (T1)var regarding to type precision. Rather
5472 than disallow T1 being of pointer type, assert that both T1
5473 and var are of pointer type or not. Make sure not to fall
5474 over the frontends lazyness wrt array to pointer decay though.
5476 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
5478 * arm.c (arm_struct_value_rtx): Delete.
5479 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
5480 (arm_init_cumulative_args): Always initialize nregs to zero.
5482 2006-05-10 Richard Guenther <rguenther@suse.de>
5484 PR tree-optimization/27532
5485 * tree-object-size.c (plus_expr_object_size): Fix typo.
5487 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
5490 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
5491 ashrdi_const, ashrdi3): Use a scratch register.
5493 2006-05-10 Richard Guenther <rguenther@suse.de>
5495 PR tree-optimization/27302
5496 * fold-const.c (operand_equal_p): For two comparisons,
5497 try comparison of one comparison code swapped if that yields
5500 2006-05-10 Ben Elliston <bje@au.ibm.com>
5502 * tree-pretty-print.c (pretty_print_string): No need to handle
5503 '\0' as a special character.
5505 * tree.h: Include "hashtab.h".
5506 (iterative_hash_expr): Use hashval_t in its prototype.
5507 * Makefile.in (TREE_H): Add $(HASHTAB_H).
5509 2006-05-09 Steve Ellcey <sje@cup.hp.com>
5512 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
5513 (hppa*64*-*-hpux11*): Ditto.
5514 (hppa[12]*-*-hpux11*): Ditto.
5516 2006-05-09 David Edelsohn <edelsohn@gnu.org>
5519 * config/rs6000/aix41.h (TARGET_64BIT): Define.
5521 2006-05-09 Michael Matz <matz@suse.de>
5523 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
5524 host_extra_gcc_objs and host_xmake_file.
5525 (<*-*-linux*>): Don't overwrite host_xmake_file.
5526 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
5527 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
5528 (host_detect_local_cpu): Declare.
5529 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
5530 * config/i386/i386.c (override_options): Handle -mtune=native
5532 * config/i386/x-i386: New file.
5533 * config/i386/driver-i386.c: New file.
5534 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
5537 2006-05-09 Dirk Mueller <dmueller@suse.de>
5538 Richard Guenther <rguenther@suse.de>
5541 * fold-const.c (fold_read_from_constant_string): Relax check
5542 for matching types to matching modes.
5544 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
5546 PR rtl-optimization/27335
5547 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
5550 2006-05-08 Chao-ying Fu <fu@mips.com>
5551 Richard Sandiford <richard@codesourcery.com>
5553 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
5554 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
5555 * config/mips/mips.md (UNSPEC_SCC): New constant.
5556 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
5557 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
5558 (mips_emit_compare): Use it.
5559 (mips_expand_vcondv2sf): New function.
5561 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
5563 Fix PR tree-optimization/27093
5564 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
5565 renaming when they become not-used_alone.
5567 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5569 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
5570 relocation and relocation stubs.
5572 2006-05-08 Eric Christopher <echristo@apple.com>
5574 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
5577 2006-05-08 Jan Hubicka <jh@suse.cz>
5580 * cgraphunit.c (decide_is_function_needed): When not optimizing even
5581 unused static functions are needed.
5583 2006-05-08 Roger Sayle <roger@eyesopen.com>
5586 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5587 of a reg_equiv_constant if the result is a legitimate constant.
5589 2006-05-08 Uros Bizjak <uros@kss-loka.si>
5592 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
5593 standard 80387 constants, raise the cost to prevent
5594 compress_float_constant() to generate load from memory.
5596 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
5598 * config/arm/constraints.md (c): Fix a typo.
5600 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
5603 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
5606 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
5608 (_mm_mwait): Likewise.
5610 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
5612 (sse3_monitor): Make it 32bit only.
5613 (sse3_monitor64): New. 64bit monitor.
5615 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5618 * config/i386/i386.c (classify_argument): Skip fields with invalid
5621 2006-05-07 Richard Guenther <rguenther@suse.de>
5623 PR tree-optimization/27409
5624 * tree-ssa-structalias.c (get_constraint_for_component_ref):
5625 Do not try to find zero-sized subvars.
5627 2006-05-07 Richard Guenther <rguenther@suse.de>
5629 PR tree-optimization/27136
5630 * tree-ssa-loop-niter.c (get_val_for): Correct function
5631 comment, assert requirements.
5632 (loop_niter_by_eval): Stop processing if the iterated
5633 value did not simplify.
5635 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
5637 * opts.c (flag_see): remove its setting at -O3.
5639 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
5641 * genpeep.c (main): Make insn-peep.c depend on flags.h.
5642 * arm/constraints.md: New file.
5643 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
5644 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
5645 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
5646 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
5647 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
5648 (EXTRA_MEMORY_CONSTRAINT): Likewise.
5649 * arm.md: Include constraints.md.
5650 (thumb_movsi_insn): Use satisfies_constraint_J.
5651 (movhi, movqi): Use satisfies_constraint_I.
5653 2006-04-29 Anatoly Sokolov <aesok@post.ru>
5655 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
5656 for atmeg a645 device.
5658 2006-05-06 Richard Guenther <rguenther@suse.de>
5660 PR tree-optimization/27151
5661 * tree-vect-transform.c (vectorizable_condition): Punt on
5662 values that have a different type than the condition.
5664 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
5667 * c-parser.c (c_parser_cast_expression): Only insert casts into
5668 hash table if pointer.
5669 * function.c (used_types_insert_helper): Rename from
5671 (used_types_insert): Call used_types_insert_helper.
5672 * function.h (used_types_insert): Accept only one argument.
5674 2006-05-05 David Edelsohn <edesohn@gnu.org>
5676 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
5677 scratch with output modifier.
5679 2006-05-04 David Edelsohn <edelsohn@gnu.org>
5682 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
5683 with output modifier.
5685 2006-05-04 Richard Sandiford <richard@codesourcery.com>
5688 * config/mips/mips.c (mips_symbolic_address_p): Return true
5689 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
5690 SYMBOL_GOTTPREL, and SYMBOL_TLS.
5692 2006-05-04 Richard Guenther <rguenther@suse.de>
5694 PR tree-optimization/14287
5695 PR tree-optimization/14844
5696 PR tree-optimization/19792
5697 PR tree-optimization/21608
5698 PR tree-optimization/27090
5699 * tree-ssa-pre.c (try_combine_conversion): New function.
5700 (compute_avail): After constructing the value-handle
5701 expression, use try_combine_conversion to combine NOP_EXPRs
5702 with previous value-handle expressions and use the result if it
5705 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
5707 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
5709 2006-05-04 Jan Hubicka <jh@suse.cz>
5712 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
5714 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
5716 * config/bfin/predicates.md (const01_rtx): Tell generator programs
5717 that this only matches CONST_INTs. All users changed to VOIDmode
5720 * config/bfin/bfin.c: Include "optabs.h".
5721 (bfin_rtx_costs): Some costs for vector operations, to allow combine
5723 (enum bfin_builtins): Add a number of fractional and vector builtins.
5724 (bfin_init_builtins): Likewise.
5725 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
5726 (safe_vector_operand, bfin_expand_binop_builtin,
5727 bfin_expand_unop_builtin): New functions.
5728 (bfin_expand_builtin): Handle the new builtins.
5729 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
5732 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
5735 * Makefile.in (OBJS-common): Add see.o.
5736 (see.o): Add dependencies.
5737 * common.opt (fsee): New flag for the see optimization was added.
5738 * opts.c (flag_see): Initialized.
5739 * passes.c (init_optimization_passes, pass_see): New pass.
5740 * rtl.h (see_main): Declaration as extern.
5741 * timevar.def (TV_SEE): New.
5742 * tree-pass.h (pass_see): Declaration as extern.
5743 * invoke.texi (-fsee): Document.
5744 * recog.c (validate_simplify_insn): New function.
5745 * recog.h (validate_simplify_insn): Declaration as extern.
5746 * df-problems.c (df_chain_dump): Check for NULL.
5748 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
5749 Daniel Berlin <dberlin@dberlin.org>
5751 * cfgrtl.c (insert_insn_bb_end_new): New function.
5752 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
5754 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5756 * df.h (struct web_entry): Moved from web.c.
5757 (union_defs): Declaration as extern.
5758 (unionfind_root): Likewise.
5759 (unionfind_union): Likewise.
5760 * web.c (struct web_entry): Moved to df.h.
5761 (unionfind_root): Remove static declaration.
5762 (unionfind_union): Likewise.
5763 (union_defs): Likewise and generalize to use callback function.
5764 (web_main): Update arguments for union_defs function call.
5766 2006-05-04 Richard Guenther <rguenther@suse.de>
5768 PR tree-optimization/26447
5769 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
5770 produce SSA_NAME copies before the store stmt to avoid
5771 breaking exception handling.
5773 2006-05-04 Jakub Jelinek <jakub@redhat.com>
5776 * gimplify.c (omp_is_private): If var is shared in some outer context,
5777 return false instead of true. Stop searching on parallel context
5780 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
5783 * coverage.c: Use get_gcov_unsigned_t() instead of
5784 unsigned_type_node all over.
5786 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
5788 PR tree-optimization/27381
5789 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
5790 maintain the same immediate_use links.
5791 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
5792 node rather than segfaulting.
5794 2006-05-03 Jakub Jelinek <jakub@redhat.com>
5797 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
5798 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
5799 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
5801 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
5803 Fix PR tree-optimization/26626
5804 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
5806 * tree-ssa-operands.c (access_can_touch_variable): Allow
5807 typecasting through union pointers.
5809 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5812 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
5813 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
5814 to find if var will be a global variable even in the nested context.
5815 (omp_copy_decl): Only check for global variable at the end, it might
5816 be overridden in outer contexts.
5817 (scan_sharing_clauses): For global variables don't create a field.
5818 (lower_rec_input_clauses): Do nothing for global shared variables.
5819 Emit a barrier at the end of ILIST if there were any decls in both
5820 firstprivate and lastprivate clauses.
5821 (lower_send_clauses): Do nothing for global variables except for
5824 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
5826 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
5827 of the correct signedness is returned.
5829 2006-05-02 Jeff Law <law@redhat.com>
5831 PR tree-optimization/27364
5832 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
5833 multiply expressions.
5835 2006-05-02 Tom Tromey <tromey@redhat.com>
5837 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
5839 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
5842 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
5843 -mthumb -fPIC are used.
5845 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
5846 Joshua Kinard <kumba@gentoo.org>
5849 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
5850 with 64-bit pointers.
5852 2006-05-02 Paul Brook <paul@codesourcery.com>
5854 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
5856 (create_fix_barrier): Check that a suitable barrier location is
5858 (arm_reorg): Include ftmp->address in allowable range of addresses.
5860 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
5863 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
5866 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5869 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
5870 around RESULT_DECL for result passed by reference.
5871 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
5872 * omp-low.c (use_pointer_for_field): Don't look at
5873 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
5874 (scan_omp_1): Call remap_decl on RESULT_DECLs.
5875 (lower_rec_input_clauses): Don't allocate VLA memory for the second
5876 time or var for passing by reference for
5877 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
5878 TREE_ADDRESSABLE variables when passing by reference.
5880 * omp-low.c (dump_omp_region): Fix output formatting.
5883 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
5884 (expand_omp_parallel): Likewise.
5885 * tree-cfg.c (move_sese_region_to_fn): Likewise.
5888 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
5889 on statement list containing also constructors and destructors.
5890 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
5893 * except.c (duplicate_eh_regions): Fix clearing of
5894 cfun->eh->region_array entries.
5896 2006-05-01 DJ Delorie <dj@redhat.com>
5898 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
5900 (gcc_cv_objdump): Likewise.
5901 * configure: Regenerated.
5903 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
5906 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
5907 templates for case 3 and 4.
5909 2006-05-01 DJ Delorie <dj@redhat.com>
5911 * vec.c: Include bconfig.h when appropriate.
5912 * Makefile.in (build/vec.o): Adjust dependencies.
5913 * mkconfig.sh: Make sure config.h isn't used for build machine
5916 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5918 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
5920 (mark_phi_for_rewrite): New function.
5921 (insert_phi_nodes_for, mark_use_interesting): Call
5922 mark_phi_for_rewrite.
5923 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
5924 (update_ssa): Initialize and free phis_to_rewrite.
5926 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5928 PR rtl-optimization/27291
5929 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
5930 folded to a constant.
5932 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5934 PR tree-optimization/27283
5935 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
5936 not whole # of iteration descriptions.
5937 (niter_for_exit): Return just # of iterations. Fail if # of iterations
5938 uses abnormal ssa name.
5939 (niter_for_single_dom_exit): Ditto.
5940 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
5941 return just the number of iterations.
5943 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5945 PR tree-optimization/27144
5946 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
5947 (record_estimate): Only record constant upper bound.
5948 (infer_loop_bounds_from_undefined): Call
5949 compute_estimated_nb_iterations just once.
5950 (proved_non_wrapping_p): Renamed to ...
5951 (n_of_executions_at_most): ... this. Expect bound to be a constant.
5952 (convert_step_widening, scev_probably_wraps_p): Call
5953 n_of_executions_at_most instead of proved_non_wrapping_p.
5954 (substitute_in_loop_info): Do not replace values in bounds.
5955 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
5958 2006-05-01 Richard Henderson <rth@redhat.com>
5961 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
5962 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
5965 2006-05-01 Roger Sayle <roger@eyesopen.com>
5967 * c-typeck.c (parser_build_binary_op): Don't call the function
5968 unsigned_conversion_warning to spot operand/result type overflow.
5969 (build_binary_op): Instead, call convert_and_check instead of
5970 convert to report the problem when the operands are promoted.
5971 * c-common.c (unsigned_conversion_warning): Make static.
5972 * c-common.h (unsigned_conversion_warning): Delete prototype.
5974 2006-05-01 Richard Guenther <rguenther@suse.de>
5976 PR tree-optimization/26726
5977 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
5979 (find_interesting_uses_address): ... we work around here
5980 by folding INDIRECT_REFs in the substituted base.
5982 2006-05-01 Diego Novillo <dnovillo@redhat.com>
5984 * omp-low.c (dump_omp_region): Add newlines.
5986 2006-04-30 Roger Sayle <roger@eyesopen.com>
5988 * common.opt (Woverflow): New command line option.
5989 * c-common.c (constant_expression_warning): Check warn_overflow.
5990 (overflow_waring): Pass OPT_Woverflow to warning.
5991 (unsigned_conversion_warning): Likewise.
5992 (convert_and_check): Likewise.
5993 * doc/invoke.texi: Document new command line option.
5995 2006-04-30 David Edelsohn <edelsohn@gnu.org>
5997 * config/rs6000/rs6000.c (rs6000_override_options): Enable
5998 TARGET_NO_FP_IN_TOC for section anchors.
5999 (optimization_options): Enable section anchors for all
6000 non-"Objective" languages.
6002 2006-04-28 Eric Christopher <echristo@apple.com>
6004 * config/darwin-c.c (darwin_ms_struct): Move this
6005 (darwin_set_default_type_attributes): and this...
6006 * config/darwin.c: ... here.
6007 * config/darwin.h (darwin_ms_struct): Declare.
6009 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
6011 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
6013 2006-04-28 Roger Sayle <roger@eyesopen.com>
6016 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
6017 (push_array_bounds): Delete prototype. Change BOUNDS argument to
6018 an unsigned HOST_WIDE_INT.
6019 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
6021 (really_start_incremental_init): No need to call convert because
6022 bitsize_zero_node is already of type bitsizetype.
6023 (push_init_level): Extract the value of constructor_index as an
6024 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
6025 (process_init_element): Likewise.
6027 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
6029 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
6030 value before passing to make_relative_prefix.
6032 2006-04-28 Alan Modra <amodra@bigpond.net.au>
6035 * builtins.c (expand_builtin_memset): Expand val in original mode.
6037 2006-04-27 Eric Christopher <echristo@apple.com>
6039 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
6040 with #ifndef/#endif.
6041 * config/darwin-c.c (darwin_ms_struct): New.
6042 (darwin_pragma_ms_struct): Ditto.
6043 (darwin_set_default_type_attributes): Ditto.
6044 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
6045 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
6046 Register ms_struct pragma.
6047 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
6048 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
6049 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
6050 darwin_set_default_type_attributes if TARGET_MACHO.
6052 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
6054 PR tree-optimization/26854
6055 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
6056 * doc/tree-ssa.texi: Update immuse iterator documentation.
6057 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
6058 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
6059 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
6060 first_safe_imm_use, next_safe_imm_use): Remove.
6061 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
6062 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
6063 (move_use_after_head): New. Helper function to sort immuses in a stmt.
6064 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
6065 (first_imm_use_stmt): New. Get first stmt in an immuse list.
6066 (next_imm_use_stmt): New. Get next stmt in an immuse list.
6067 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
6068 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
6069 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
6070 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
6071 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
6072 (perfect_nestify): Use new iterator.
6073 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
6075 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
6076 (next_imm_name): New field in struct immediate_use_iterator_d.
6077 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
6078 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
6079 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
6080 * tree-cfg.c (replace_uses_by): Use new iterator.
6081 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
6082 * tree-ssa-operands.c (correct_use_link): Remove.
6083 (finalize_ssa_use_ops): No longer call correct_use_link.
6085 2006-04-27 Stuart Hastings <stuart@apple.com>
6087 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
6088 * config/t-darwin (crt3.o): Use it.
6089 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
6090 'pmode', use Pmode instead of SImode for SYMBOL_REF.
6091 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
6092 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
6093 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
6096 2006-04-27 Roger Sayle <roger@eyesopen.com>
6098 * expmed.c (store_fixed_bit_field): If we're not optimizing for
6099 size, force the intermediate into a new pseudo rather instead of
6100 performing both a bitwise AND and a bitwise IOR in memory.
6102 2006-04-27 Richard Guenther <rguenther@suse.de>
6104 PR rtl-optimization/26685
6105 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
6106 this one "max-flow-memory-locations".
6108 2006-04-27 Richard Guenther <rguenther@suse.de>
6110 PR tree-optimization/25148
6111 * tree-vrp.c (compare_values): Remove code dealing with
6112 comparisons against type min/max value. Honour overflow
6113 and negative constants in code dealing with comparisons
6114 of plus and minus expressions.
6115 (value_inside_range): Use fold_binary with LE_EXPR and
6116 GE_EXPR rather than compare_values.
6118 2006-04-27 Dirk Mueller <dmueller@suse.de>
6120 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
6123 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
6125 * basic-block.h (safe_insert_insn_on_edge): Removed.
6126 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
6128 2006-04-26 David Edelsohn <edelsohn@gnu.org>
6129 Paolo Bonzini <bonzini@gnu.org>
6132 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
6133 (simplify_and_const_int): Same.
6135 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
6137 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
6139 2006-04-26 Jakub Jelinek <jakub@redhat.com>
6142 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
6143 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
6144 cgraph_global_info_ready.
6147 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
6150 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
6151 either decl or init is error_mark_node.
6154 * tree-flow.h (struct omp_region): Add sched_kind.
6155 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
6156 instead of extracting omp for data.
6157 (expand_omp_for): Save extracted sched_kind.
6159 2006-04-25 Roger Sayle <roger@eyesopen.com>
6161 * expmed.c (store_bit_field): Also check whether the bitsize is
6162 valid for the machine's "insv" instruction before moving the
6163 target into a pseudo for use with the insv.
6164 * config/i386/predicates.md (const8_operand): New predicate.
6165 * config/i386/i386.md (extv, extzv, insv): Use the new
6166 const8_operand predicate where appropriate.
6168 2006-04-25 DJ Delorie <dj@redhat.com>
6170 * doc/install.texi (Specific): Clarify that this is not a list of
6171 supported hosts or targets.
6173 2006-04-25 Richard Sandiford <richard@codesourcery.com>
6175 PR rtl-optimization/26725
6176 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
6177 block's BB_DIRTY flag.
6179 2006-04-25 Geoffrey Keating <geoffk@apple.com>
6181 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
6184 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
6185 to print an integer.
6187 2006-04-25 David Edelsohn <edelsohn@gnu.org>
6189 * varasm.c (align_variable): New function.
6190 (get_block_for_decl): Apply align_variable to DECL before
6191 calculating section information.
6192 (assemble_variable): Split out alignment computation.
6194 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
6196 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
6199 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
6201 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
6202 MODE_PARTIAL_INT mode.
6203 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
6204 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
6206 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
6207 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
6209 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
6211 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
6213 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
6214 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
6215 MACFLAG_IH): Likewise.
6216 (movstricthi_1): Renamed from "*movstricthi".
6217 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
6218 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
6219 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
6220 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
6221 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
6222 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
6223 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
6224 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
6225 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
6226 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
6227 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
6228 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
6229 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
6230 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
6231 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
6233 * doc/rtl.texi (ss_ashift): Improve wording.
6235 2006-04-24 Geoffrey Keating <geoffk@apple.com>
6237 * dwarf2out.c (verify_marks_clear): New.
6238 (prune_unused_types): Call verify_marks_clear initially, not
6241 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
6243 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
6244 * doc/rtl.texi: Document them.
6245 * simplify-rtx.c (simplify_unary_operation,
6246 simplify_binary_operation_1): Don't abort when we see them.
6248 2006-04-24 Mark Mitchell <mark@codesourcery.com>
6251 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6252 * configure.ac: Completely disregard languages that are not
6254 * configure: Regenerated.
6256 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6257 Richard Guenther <rguenther@suse.de>
6259 PR tree-optimization/27236
6260 * tree-inline.c (copy_body_r): Make sure to copy
6261 TREE_THIS_VOLATILE flag.
6263 2006-04-24 Richard Guenther <rguenther@suse.de>
6266 * tree-complex.c (update_parameter_components): Don't handle
6267 unused parameters which have no default def.
6269 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6270 Richard Guenther <rguenther@suse.de>
6272 PR tree-optimization/27218
6273 * tree-inline.c (expand_call_inline): Strip useless type
6274 conversions for the return slot address.
6276 2006-04-24 Richard Guenther <rguenther@suse.de>
6278 * cfgloop.h (struct loops): Remove unused field array. Reorder
6280 (LOOP_PREFETCH): Remove.
6282 2006-04-24 Richard Guenther <rguenther@suse.de>
6284 PR tree-optimization/22525
6285 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
6286 variable, adjust types of generated expressions.
6288 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
6290 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
6291 (tree-vect-patterns.o): Likewise.
6293 (cselib.o): Likewise.
6294 (loop-doloop.o): Likewise.
6295 (regclass.o): Likewise.
6296 (reload1.o): Likewise.
6297 (explow.o): Replace target.h with $(TARGET_H).
6298 (ipa-prop.o): Likewise.
6299 (ipa-cp.o): Likewise.
6300 (ipa-inline.o): Likewise.
6301 (reorg.o): Likewise.
6302 (reg-stack.o): Likewise.
6304 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6306 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
6308 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6310 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
6312 * configure.ac: Completely disregard languages that are not
6314 * configure: Regenerated.
6317 * c-common.h (c_build_bitfield_integer_type): Declare.
6318 * c-decl.c (c_build_bitfield_integer_type): Move to ...
6319 * c-common.c (c_build_bitfield_integer_type): ... here.
6321 2006-04-23 Roger Sayle <roger@eyesopen.com>
6324 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
6325 a SImode SUBREG of a floating point register after no_new_pseudos.
6327 2006-04-23 Roger Sayle <roger@eyesopen.com>
6329 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
6330 identify potentially eliminable registers to additionally catch
6331 VIRTUAL_INCOMING_ARGS_REGNUM.
6332 (addsi3): Update the conditions on when to use addsi_small_int.
6334 2006-04-23 Roger Sayle <roger@eyesopen.com>
6337 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
6338 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
6339 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
6341 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6343 * fold-const.c (range_predecessor): Use operand_equal_p
6344 as the predicate for equality.
6345 (range_successor): Likewise.
6347 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6350 * config/soft-fp/op-common.h: Fix a typo.
6352 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
6355 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
6356 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
6358 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6360 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
6362 * doc/tm.texi: Fix a typo.
6364 2006-04-21 Geoffrey Keating <geoffk@apple.com>
6366 * dwarf2out.c (struct die_struct): Document that die_sib makes
6367 a circular linked list.
6368 (FOR_EACH_CHILD): New.
6369 (reverse_die_lists): Delete.
6370 (reverse_all_dies): Delete.
6371 (add_dwarf_attr): Correct documentation.
6372 (remove_child_with_prev): New.
6373 (remove_child_TAG): Update for change to die_struct, use
6374 remove_child_with_prev.
6375 (add_child_die): Update for change to die_struct.
6376 (splice_child_die): Use remove_child_with_prev and add_child_die.
6377 (print_die): Use FOR_EACH_CHILD.
6378 (die_checksum): Likewise.
6379 (assign_symbol_names): Likewise.
6380 (output_location_lists): Likewise.
6381 (build_abbrev_table): Likewise.
6382 (calc_die_sizes): Likewise.
6383 (mark_dies): Likewise.
6384 (unmark_dies): Likewise.
6385 (unmark_all_dies): Likewise.
6386 (output_die): Likewise.
6387 (prune_unused_types_mark): Likewise.
6388 (prune_unused_types_walk): Likewise.
6389 (same_die_p): Update for change to die_struct.
6390 (break_out_includes): Likewise.
6391 (prune_unused_types_prune): Likewise.
6392 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
6393 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
6395 (dwarf2out_finish): Don't call reverse_all_dies.
6397 2006-04-21 Eric Christopher <echristo@apple.com>
6399 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
6400 in comments and function names.
6402 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6405 * c-typeck.c (digest_init): Robustify.
6407 * c-typeck.c (pop_init_level): Simplify.
6409 2006-04-21 Steve Ellcey <sje@cup.hp.com>
6411 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
6413 2006-04-21 Paul Brook <paul@codesourcery.com>
6415 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
6416 hardware floating point.
6418 2006-04-21 David Edelsohn <edelsohn@gnu.org>
6420 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
6423 2006-04-21 Nick Clifton <nickc@redhat.com>
6425 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
6428 2006-04-21 Alan Modra <amodra@bigpond.net.au>
6431 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
6432 C++ lang type in traceback table for Objective-C++.
6434 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
6436 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
6438 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
6440 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6443 * tree-mudflap.c (mudflap_finish_file): Skip function when there
6444 were errors. Remove check for erroneous objects.
6446 2006-04-20 Jeff Law <law@redhat.com>
6448 PR tree-optimization/26854
6449 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
6450 checking for zero or one use.
6451 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
6452 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
6453 * tree-ssa-reassoc.c (negate_value): Similarly.
6454 (reassociate_bb): Similarly.
6456 2006-04-20 Jakub Jelinek <jakub@redhat.com>
6458 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
6459 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
6460 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
6462 2006-04-20 Alan Modra <amodra@bigpond.net.au>
6464 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
6465 fp regs if the last fp arg doesn't fit in regs.
6467 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
6470 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
6471 that the last insn has the REG_INC note.
6473 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
6474 Nathan Sidwell <nathan@codesourcery.com>
6477 * stor-layout.c (update_alignment_for_field): Do not align
6479 (place_union_field): Place union field at the start of the union.
6480 (place_field): Move ERROR_MARK check later, and use the current
6481 allocation position to maintain monotonicity.
6483 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
6485 * dominance.c: Include timevar.h.
6486 (calculate_dominance_info): Use TV_DOMINANCE.
6487 * timevar.def (TV_DOMINANCE): New timevar.
6488 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
6490 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6492 PR rtl-optimization/14261
6493 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
6494 move would be an INSV insn.
6495 (noce_process_if_block): Don't optimize if the destination is a
6496 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
6498 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6500 * config/s390/s390.md: Add comments with the instructions emitted
6501 by an insn pattern if macros are used.
6503 2006-04-19 Alan Modra <amodra@bigpond.net.au>
6505 PR rtl-optimization/26026
6506 * fold-const.c (fold_binary): Optimize div and mod where the divisor
6507 is a known power of two shifted left a variable amount.
6509 2006-04-18 Geoffrey Keating <geoffk@apple.com>
6511 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
6512 to hash table twice when the debug_str section has SECTION_MERGE.
6514 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
6516 * config/soft-fp: New directory. From glibc.
6517 * config/soft-fp/t-softfp: New.
6518 * config/soft-fp/README: New.
6519 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
6520 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
6521 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
6522 (LIBGCC_DEPS): Add $(SFP_MACHINE).
6523 * config.gcc: Use rs6000/t-fprules-fpbit or
6524 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
6526 * config/rs6000/sfp-machine.h: New. Based on glibc.
6527 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
6529 * config/rs6000/t-fprules: Remove fp-bit rules.
6530 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
6531 * config/rs6000/t-linux64: Likewise. Remove duplicates from
6532 LIB2FUNCS_EXTRA. Remove fp-bit rules.
6533 (softfp_wrap_start, softfp_wrap_end): New.
6535 2006-04-18 DJ Delorie <dj@redhat.com>
6537 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
6539 2006-04-18 Devang Patel <dpatel@apple.com>
6541 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
6543 2006-04-18 Nick Clifton <nickc@redhat.com>
6545 * config/sh/t-symbian: Add rule to build sh-c.o
6546 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
6547 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
6548 (sh_symbian_encode_section_info): Likewise.
6550 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
6552 * builtins.c (expand_builtin_strcmp): Cover label definition of
6553 do_libcall with HAVE_cmpstrnsi.
6555 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
6557 * function.c (temp_slots_at_level, max_slot_level): Use VEC
6559 * function.h (temp_slot_p): New.
6560 (function): Change the type of x_used_temp_slots to
6561 VEC(temp_slot_p,gc) *.
6563 2006-04-18 Nick Clifton <nickc@redhat.com>
6565 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
6566 flag_strength_reduce.
6568 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
6570 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6574 Partial revert of revision 112637
6575 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6576 Dale Johannesen <dalej@apple.com>
6579 * regclass.c (struct reg_pref): Update documentation.
6580 (regclass): Set prefclass to NO_REGS if memory is the best option.
6581 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6583 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6585 PR tree-optimization/26821
6586 * tree-ssa-math-opts.c (get_constant_one): New.
6587 (insert_reciprocals): Use it.
6589 2006-04-17 Geoffrey Keating <geoffk@apple.com>
6591 * dwarf2out.c (free_AT): Delete.
6592 (remove_AT): Update string ref counts.
6593 (remove_child_TAG): Don't call free_die.
6595 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
6596 or DW_TAG_GNU_EINCL.
6597 (prune_unused_types_walk_attribs): Reset string refcounts.
6598 (prune_unused_types_update_strings): New.
6599 (prune_unused_types_prune): Don't make unnecessary stores. Don't
6600 call free_die. Do call prune_unused_types_update_strings.
6601 (prune_unused_types): Empty debug_str_hash.
6603 2006-04-17 Roger Sayle <roger@eyesopen.com>
6605 * expr.c (expand_assignment): Optimize away no-op moves where the
6606 source and destination are equal and have no side-effects.
6608 2006-04-17 Richard Guenther <rguenther@suse.de>
6611 * reload.c (push_reload): Guard calls to get_secondary_mem
6614 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
6616 * alias.c (reg_base_value, old_reg_base_value): Change the
6617 type to VEC(rtx,gc) *.
6618 (REG_BASE_VALUE, find_base_value, record_set,
6619 init_alias_analysis): Use VEC instead of VARRAY.
6621 * alias.c (alias_sets): Change the type to
6622 VEC(alias_set_entry,gc) *.
6623 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
6624 VEC instead of VARRAY.
6625 (last_alias_set): Remove.
6627 * cgraph.h (cgraph_edge_p): New.
6628 Update the prototype of cgraph_function_versioning.
6629 * cgraphunit.c (cgraph_copy_node_for_versioning,
6630 cgraph_function_versioning): Use VEC instead of VARRAY.
6631 * ipa-cp.c (ipcp_insert_stage): Likewise.
6633 2006-04-16 Roger Sayle <roger@eyesopen.com>
6636 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
6637 "A op B" or "A op C", we may need to convert A to the type of B and C.
6639 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
6641 * target.h (struct gcc_target): Add mode_rep_extended.
6642 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
6643 (init_num_sign_bit_copies_in_rep): Initialize it using
6645 (truncate_to_mode): Use it.
6646 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
6647 * targhooks.h (default_mode_rep_extended): Declare it.
6648 * targhooks.c (default_mode_rep_extended): Define it.
6649 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
6650 default_mode_rep_extended.
6651 (TARGET_INITIALIZER): Include it.
6652 * doc/tm.texi (Misc): Document it.
6653 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
6654 (mips_truncated_to_mode): New function.
6656 2006-04-16 Roger Sayle <roger@eyesopen.com>
6659 * expr.c (compress_float_constant): Copy the narrow constant into
6660 a new pseudo before extending it to its final width.
6662 2006-04-16 Roger Sayle <roger@eyesopen.com>
6663 Andrew Pinski <pinskia@gcc.gnu.org>
6664 Dale Johannesen <dalej@apple.com>
6667 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
6668 special case code to implement V8HImode and V16QImode with SSE2.
6670 2006-04-15 Roger Sayle <roger@eyesopen.com>
6672 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
6673 trees are constructed with a suitable tree type.
6675 2006-04-15 Roger Sayle <roger@eyesopen.com>
6677 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
6678 (integer_onep): Likewise.
6679 (integer_all_onesp): Likewise.
6680 (integer_pow2p): Likewise.
6681 (integer_nonzerop): Likewise.
6682 (real_zerop): Likewise.
6683 (real_onep): Likewise.
6684 (real_twop): Likewise.
6685 (real_minus_onep): Likewise.
6686 (int_size_in_bytes): Likewise.
6687 (host_integerp): Likewise.
6689 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
6691 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
6692 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
6693 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
6695 * tree-ssa-structalias.h (alias_info): Remove num_references.
6697 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6699 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
6700 (output_bvb patterns): Likewise.
6701 * pa.c (output_bb): Use 'bb' insn for long branch case.
6702 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
6703 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
6704 1. Correct length operand for alternatives 1 and 2.
6705 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
6706 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
6708 2006-04-14 Roger Sayle <roger@eyesopen.com>
6710 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
6711 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
6712 were accidentally reverted by r112959.
6714 2006-04-15 Jakub Jelinek <jakub@redhat.com>
6717 * except.h (eh_region_outermost): New prototype.
6718 * except.c (eh_region_outermost): New function.
6719 * tree-cfg.c (find_outermost_region_in_block): Use it.
6721 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6723 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
6725 * reload1.c (reg_equiv_memory_loc_varray): Rename to
6726 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
6727 (init_reload, reload): Use VEC instead of VARRAY.
6728 * reload.h: Update the prototype for
6729 reg_equiv_memory_loc_varray.
6731 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
6732 Eric Botcazou <ebotcazou@libertysurf.fr>
6734 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
6737 2005-04-13 Uros Bizjak <uros@kss-loka.si>
6740 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
6741 to expand fallback builtin function call.
6743 2006-04-14 Alan Modra <amodra@bigpond.net.au>
6746 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
6747 and emit libcall here in case the builtin fails.
6748 (expand_builtin_strcmp): Always emit the libcall here on failure.
6750 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6752 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
6753 * flow.c (reg_n_info): Change the type to
6754 VEC(reg_info_p,heap) *.
6755 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
6757 * regs.h (reg_info_p): New.
6758 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
6759 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
6760 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
6763 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
6765 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
6767 * params.h (MAX_SCHED_READY_INSNS): New macro.
6768 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
6769 past MAX_SCHED_READY_INSNS during the first scheduling pass.
6770 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
6771 the ready list for 1 cycle during the first scheduling pass.
6772 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
6774 2006-04-13 Richard Henderson <rth@redhat.com>
6777 * gimple-low.c (lower_omp_directive): Remove dead code.
6778 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
6779 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
6780 * omp-low.c (struct omp_region): Move to tree-flow.h.
6781 (root_omp_region): Export.
6782 (omp_regions, lookup_omp_region): Remove.
6783 (determine_parallel_type): Update for struct omp_region changes.
6784 (dump_omp_region): Dump regions with block numbers.
6785 (new_omp_region): Take type and block instead of stmt; malloc
6787 (free_omp_region_1, free_omp_regions): New.
6788 (expand_parallel_call): Take entry_stmt as argument; update for
6789 changes to omp_region.
6790 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
6791 (remove_exit_barriers): New.
6792 (expand_omp_parallel): Update for struct omp_region changes.
6793 (expand_omp_synch): Likewise.
6794 (expand_omp): Likewise.
6795 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
6796 (expand_omp_for_static_chunk): Likewise.
6797 (expand_omp_for): Likewise.
6798 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
6799 (expand_omp_sections): Similarly, with GOMP_sections_end.
6800 (expand_omp_single): New.
6801 (build_omp_regions_1): Update for OMP_CONTINUE.
6802 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
6803 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
6804 OMP_SECTIONS_SECTIONS.
6805 (lower_omp_single_simple): Don't emit barrier here.
6806 (lower_omp_single_copy): Likewise.
6807 (lower_omp_single): Fix bindings, and lower to straightline now.
6808 (lower_omp_master, lower_omp_ordered): Likewise.
6809 (lower_omp_critical): Likewise.
6810 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
6811 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
6812 omp edges, free it afterward.
6813 (make_omp_sections_edges): Remove.
6814 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
6815 (move_stmt_r): Handle OMP_CONTINUE.
6816 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
6817 statement pointers to basic blocks. Add type member.
6818 (root_omp_region, new_omp_region, free_omp_regions): Declare.
6819 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
6820 * tree-inline.c (estimate_num_insns_1): Likewise.
6821 * tree-pretty-print.c (dump_generic_node): Likewise.
6822 * tree-ssa-operands.c (get_expr_operands): Likewise.
6823 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
6824 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
6825 (OMP_CONTINUE): New.
6826 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
6827 (OMP_SECTIONS_SECTIONS): Remove.
6828 (OMP_SECTION_LAST): New.
6829 (OMP_RETURN_NOWAIT): New.
6831 2006-04-13 Roger Sayle <roger@eyesopen.com>
6833 * fold-const.c (native_encode_vector, native_interpret_real):
6834 Correct obvious mistakes in the previous check-in.
6836 2006-04-13 Roger Sayle <roger@eyesopen.com>
6838 * fold-const.c (native_encode_expr): New function to encode
6839 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
6840 or VECTOR_CST into a specified buffer.
6841 (native_encode_int): New function.
6842 (native_encode_real): New function.
6843 (native_encode_complex): New function.
6844 (native_encode_vector): New function.
6845 (native_interpret_expr): Inverse of native_encode_expr to convert
6846 a target representation into an INTEGER_CST, REAL_CST etc...
6847 (native_interpret_int): New function.
6848 (native_interpret_real): New function.
6849 (native_interpret_complex): New function.
6850 (native_interpret_vector): New function.
6851 (fold_view_convert_expr): New function to constant fold/evaluate
6852 a VIEW_CONVERT_EXPR of a suitable constant expression.
6853 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
6854 Change call of build1 to fold_build1 when constructing a
6857 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
6858 Ulrich Weigand <uweigand@de.ibm.com>
6861 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
6864 2006-04-13 Alan Modra <amodra@bigpond.net.au>
6867 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
6868 optimize to lo_sum for DFmode if !TARGET_FPRS.
6870 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6872 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
6873 delete_alias_info, compute_flow_sensitive_aliasing,
6874 group_aliases): Use VEC instead of VARRAY.
6875 * tree-ssa-structalias.c (update_alias_info): Likewise.
6876 * tree-ssa-structalias.h (alias_info): Change the type of
6877 processed_ptrs to VEC(tree,heap) *.
6879 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
6882 * config/sh/lib1funcs.h: New file, broken out of:
6883 * config/sh/lib1funcs.asm.
6884 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
6886 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
6887 * config/sh/lib1funcs-Os-4-200.asm: New file.
6888 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
6889 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
6890 (EXTRA_MULTILIB_PARTS): Include it.
6891 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
6892 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
6893 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
6894 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
6897 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6899 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
6900 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
6901 tpa_compact, root_var_init, type_var_init): Use VEC instead of
6903 * tree-ssa-live.h: Include vecprim.h.
6904 (tree_partition_associator_d): Change the type of
6905 first_partition to VEC(int,heap) *.
6906 (tpa_first_partition): Use VEC instead of VARRAY.
6908 * Makefile.in (GTFILES): Move functions.h after tree.h.
6909 * function.c (reset_block_changes, record_block_change,
6910 check_block_change, free_block_changes): Use VEC instead of
6912 * function.h (function): Change the type of
6913 ib_boundaries_block to VEC(tree,gc) *.
6914 * tree-inline.c (copy_cfg_body): Initialize
6915 ib_boundaries_block to NULL instead of (varray_type) 0.
6917 2006-04-12 Roger Sayle <roger@eyesopen.com>
6919 * expr.c (emit_group_store): Correct operand order in call to
6920 subreg_lowpart_offset. Always create paradoxical SUBREGs with
6921 a SUBREG_BYTE of zero.
6923 2006-04-12 Richard Guenther <rguenther@suse.de>
6925 * profile.c (compute_branch_probabilities): Remove code
6926 encapsulated in !ir_type (), which are remanents of the
6927 removed RTL profiling code.
6928 * rtl-profile.c: Remove.
6930 2006-04-12 Alan Modra <amodra@bigpond.net.au>
6932 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
6933 magic NULL_RTX comment.
6934 (function_arg): Store entire fp arg to mem if any part should go
6936 (rs6000_arg_partial_bytes): Adjust for above change.
6938 2006-04-11 Roger Sayle <roger@eyesopen.com>
6940 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
6941 if it hasn't been initialized by dwarf2out_init.
6943 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
6945 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
6946 symbolic constants in branch patterns.
6948 2006-04-11 Roger Sayle <roger@eyesopen.com>
6950 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
6952 2006-04-11 Richard Sandiford <richard@codesourcery.com>
6954 PR rtl-optimization/27073
6955 * gcse.c (try_replace_reg): Revert last change. Continue to search
6956 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
6959 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6961 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
6962 aggregate types other than record and union types.
6963 (function_arg): Likewise.
6964 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
6966 (function_value): In 64-bit mode, return objects that require it
6969 2006-04-11 Roger Sayle <roger@eyesopen.com>
6971 * dwarf2out.c (premark_used_types): Remove problematic prototype.
6973 2006-04-11 Jakub Jelinek <jakub@redhat.com>
6975 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
6977 2006-04-03 Jeff Law <law@redhat.com>
6980 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
6981 alias information too.
6983 2006-04-10 Mike Frysinger <vapier@gentoo.org>
6985 * Makefile.in (gcc-cross): Add $(exeext) to target name.
6987 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
6990 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
6991 (premark_used_types_helper): New.
6992 (premark_used_types): New.
6993 (gen_subprogram_die): Call premark_used_types.
6994 (prune_unused_types_walk): Do not prune perennial dies.
6995 * function.c (used_types_insert): New.
6996 * function.h (struct function): Add used_types_hash field.
6997 (used_types_insert): Add prototype.
6998 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
6999 * c-parser.c (c_parser_cast_expression): Save casted types in used
7002 2006-04-11 Mark Mitchell <mark@codesourcery.com>
7005 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
7006 rs6000_explicit_options.float_gprs.
7008 2006-04-10 Roger Sayle <roger@eyesopen.com>
7010 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
7011 from ix86_expand_vector_init_low_nonzero. Take an additional
7012 one_var argument indicating which element is non-zero. Support
7013 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7014 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
7015 with one_var instead of ix86_expand_vector_init_low_nonzero.
7017 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
7019 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
7020 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
7021 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
7022 build/genextract.o): Depend on vecprim.h.
7023 * cfglayout.c, df-problems.c, function.c, genextract.c,
7024 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
7025 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
7029 2006-04-10 Geoffrey Keating <geoffk@apple.com>
7031 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
7032 Declare VECs of this type.
7033 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
7034 (remove_children): Delete.
7035 (add_dwarf_attr): Use VEC routines.
7036 (add_AT_flag): Update for changes to add_dwarf_attr.
7037 (add_AT_int): Likewise.
7038 (add_AT_unsigned): Likewise.
7039 (add_AT_long_long): Likewise.
7040 (add_AT_vec): Likewise.
7041 (add_AT_string): Likewise.
7042 (add_AT_die_ref): Likewise.
7043 (add_AT_fde_ref): Likewise.
7044 (add_AT_loc): Likewise.
7045 (add_AT_loc_list): Likewise.
7046 (add_AT_addr): Likewise.
7047 (add_AT_lbl_id): Likewise.
7048 (add_AT_lineptr): Likewise.
7049 (add_AT_macptr): Likewise.
7050 (add_AT_offset): Likewise.
7051 (add_AT_range_list): Likewise.
7052 (get_AT): Use VEC_iterate.
7053 (remove_AT): Use VEC_ordered_remove.
7054 (free_die): Fold remove_children into here; have it use VEC_iterate.
7055 (print_die): Use VEC_iterate on attrs.
7056 (reverse_die_lists): Don't reverse attr lists.
7057 (die_checksum): Use VEC_iterate on attrs.
7058 (same_die_p): Likewise.
7059 (output_location_lists): Likewise.
7060 (build_abbrev_table): Likewise.
7061 (size_of_die): Likewise.
7062 (unmark_all_dies): Likewise.
7063 (output_abbrev_section): Likewise.
7064 (output_die): Likewise.
7065 (prune_unused_types_walk_attribs): Likewise.
7067 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7069 * doc/install.texi (*-*-solaris2*): Point to the configure page.
7071 2006-04-10 Jakub Jelinek <jakub@redhat.com>
7074 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
7076 2006-04-09 Roger Sayle <roger@eyesopen.com>
7078 * expr.c (store_constructor): Don't bother clearing target if
7079 we're about to assign a vector to it using vec_init_optab.
7081 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
7083 * tree-ssa-alias.c (lhs_may_store_to): New function.
7084 (recalculate_used_alone): Handle LHS of calls.
7086 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7090 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
7091 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
7092 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
7093 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
7094 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
7095 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
7096 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
7097 stubs. Add ".align 8" directives before all ".dword" directives.
7098 (GTHREAD_USE_WEAK): Revise comment.
7099 (TARGET_ATTRIBUTE_WEAK): Define.
7100 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
7101 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
7102 * stublib.c: New file.
7107 * pa.md (cbranch patterns): Revise arguments used in calls to
7108 output_cbranch, output_bb and output_bvd. Add long branch length
7110 (fbranch patterns): Handle long branches.
7111 (jump): Revise length check. Revise arguments for output_lbranch call.
7112 Add long branch length attributes.
7113 (decrement_and_branch_until_zero): Add long branch length attributes.
7114 (output_movb, output_parallel_addb and output_parallel_movb patterns):
7115 Likewise. Revise arguments for output_parallel_addb and
7116 output_parallel_movb calls.
7117 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
7118 output_parallel_movb and output_parallel_addb): Update prototypes.
7119 * pa.c (output_cbranch): Revise arguments. Correct handling of
7120 nullification in long branches.
7121 (output_lbranch): Add new argument to control extraction of delay
7123 (output_bb): Handle long branches.
7124 (output_bvb, output_dbra, output_movb, output_parallel_movb,
7125 output_parallel_addb): Likewise.
7127 2006-04-09 Richard Sandiford <richard@codesourcery.com>
7129 PR rtl-optimization/27073
7130 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
7133 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
7135 * tree.h (tree_memory_tag): Add old_used_alone.
7136 (SMT_OLD_USED_ALONE): New macro.
7137 * tree-ssa-alias.c (recalculate_used_alone): Stop
7138 marking things for renaming unnecessarily.
7140 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
7142 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
7143 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
7144 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
7145 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
7146 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
7147 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
7148 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
7149 spelling convensions.
7150 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
7151 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
7152 typos. Follow spelling conventions.
7154 2006-04-07 DJ Delorie <dj@redhat.com>
7156 * config/m32c/m32c.c (m32c_function_arg): Structures are always
7157 passed on the stack.
7158 (m32c_init_cumulative_args): When a function returns a structure,
7159 always pass the pointer to that return area on the stack.
7160 (m32c_function_arg_advance): Don't increment the parameter number
7161 if we're processing the returned structure pointer.
7162 (pushm_info): Reverse order of registers.
7164 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
7166 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
7167 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7168 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
7169 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
7171 * tree-chrec.c (chrec_fold_multiply_poly_poly,
7172 chrec_fold_multiply): Same.
7173 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
7174 force_expr_to_var_cost): Same.
7175 * tree-mudflap.c (mf_xform_derefs_1): Same.
7176 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
7178 2006-04-07 David Edelsohn <edelsohn@gnu.org>
7180 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
7181 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
7184 2006-04-07 Jan Hubicka <jh@suse.cz>
7186 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
7188 2006-04-07 Richard Guenther <rguenther@suse.de>
7190 PR tree-optimization/26135
7191 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
7192 loads for store copy-prop.
7193 (copy_prop_visit_stmt): Likewise.
7195 2006-04-05 Robert Millan <robertmh@gnu.org>
7197 * config/i386/linux.h: Add a comment to mark macros that are
7198 being overriden in config/k*bsd-gnu.h.
7199 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
7201 * config/knetbsd-gnu.h: Ditto.
7203 2006-04-06 Jan Hubicka <jh@suse.cz>
7207 * coverage.c (coverage_checksum_string): Reorganize loop to not read
7210 2006-04-06 Mike Stump <mrs@apple.com>
7212 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
7213 for HAVE_nonlocal_goto to be consistent.
7214 (expand_builtin_nonlocal_goto): Likewise.
7215 (expand_builtin_strcmp): Use #ifdef instead of #if
7216 for HAVE_cmpstrnsi to be consistent.
7218 2006-04-05 DJ Delorie <dj@redhat.com>
7220 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
7223 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
7225 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
7226 got-relative addressing for anything but SImode.
7228 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
7229 even if the calling function doesn't modify them.
7231 2006-04-05 Richard Guenther <rguenther@suse.de>
7233 PR tree-optimization/26919
7234 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
7235 to cgraph_estimate_size_after_inlining.
7237 2006-04-05 Alan Modra <amodra@bigpond.net.au>
7239 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
7241 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
7243 PR tree-optimization/26996
7244 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
7245 VECTOR_TYPE variables.
7247 2006-04-05 Richard Guenther <rguenther@suse.de>
7249 PR tree-optimization/26763
7250 * fold-const.c (fold_comparison): Move folding of
7251 PTR + CST CMP PTR + CST ...
7252 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
7254 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
7256 * doc/install.texi (Prerequisites): Refine some wording on
7257 bootstrapping and ksh.
7258 Move the version numbers of DejaGnu here from the testing section
7259 and fix casing of names.
7260 Fix markup and clarify wording for autogen requirements.
7261 Refer to GCJ instead of just java.
7262 Refer to SVN instead of CVS.
7263 Describe diffutils as useful instead of necessary.
7264 (Downloading the source): Refer to SVN instead of CVS.
7265 Adjust a link to our web site accordingly.
7266 (Configuration): Fix casing of Bison.
7267 (Building): Refer to SVN instead of CVS.
7268 Fix a sentence on the use of Bison and remove duplicate (and
7269 incorrect) version number of Bison requirement.
7270 Remove one redundant list of packages needed for building.
7271 (Specific): Avoid reference to CVS.
7273 2006-04-04 Eric Christopher <echristo@apple.com>
7275 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
7276 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
7277 (rs6000_handle_struct_attribute): New.
7278 (rs6000_ms_bitfield_layout_p): Ditto.
7280 2006-04-04 Geoffrey Keating <geoffk@apple.com>
7282 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
7283 NULL for dso parameter to atexit_common.
7285 2006-04-04 Eric Christopher <echristo@apple.com>
7287 * config/i386/i386.c (machopic_output_stub): Output \t
7288 between instructions and operands.
7290 2006-04-04 David Edelsohn <edelsohn@gnu.org>
7292 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
7293 satisfies_constraint_[IL] to explicit tests on value.
7295 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
7297 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7298 set_nb_iterations_in_loop): Use build_int_cst instead of
7300 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
7301 build_int_cst instead of convert.
7303 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
7305 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
7306 new value 2 for incoming.
7307 * function.c (expand_function_start): Call struct_value_rtx
7309 * config/sparc/sparc.md: Comment updated_return.
7310 * config/sparc/sparc.opt: Add -mstd-struct-return option.
7311 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
7312 struct return if sparc_std_struct_return and incoming is 2.
7313 (print_operand): Do not adjust return if
7314 sparc_std_struct_return.
7316 2006-04-04 Roger Sayle <roger@eyesopen.com>
7318 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
7319 convert in the middle-end.
7320 * expr.c (store_expr, store_constructor, get_inner_reference,
7321 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
7323 * tree.c (build_range_type): Likewise.
7325 2006-04-04 Tom Tromey <tromey@redhat.com>
7327 * doc/install.texi (Prerequisites): Mention jar.
7329 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
7331 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
7334 2006-04-04 Matthias Klose <doko@debian.org>
7336 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
7340 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
7343 2006-04-03 Geoffrey Keating <geoffk@apple.com>
7345 * doc/extend.texi (Function Attributes): Rewrite visibility
7346 attribute documentation.
7347 * doc/invoke.texi (C++ Dialect Options): Rewrite
7348 -fvisibility-inlines-hidden documentation to describe something
7349 entirely different, although in practise compatible.
7350 (Code Gen Options): Warn about system headers in -fvisibility=
7353 * doc/extend.texi (Other Builtins): Document that
7354 __builtin_nan is a compile-time constant only when its argument
7357 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
7359 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
7360 trying to remove TRUNCATE check if all bits outside the new mode
7361 are identical to the sign bit.
7363 2006-04-03 Jeff Law <law@redhat.com>
7365 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
7366 and operand scanning in some common cases.
7368 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7369 Dale Johannesen <dalej@apple.com>
7372 * regclass.c (struct reg_pref): Update documentation.
7373 (regclass): Set prefclass to NO_REGS if memory is the best option.
7374 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7375 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
7376 into account. For non-registers, equate an empty preferred
7377 reload class to a `!' in the constraint; move the if clause to
7378 do so after those that reject the insn.
7379 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
7381 (find_dummy_reload): Likewise.
7382 * doc/tm.texi (Register Classes): Document what it means
7383 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
7384 * config/i386/i386.c (ix86_preferred_reload_class): Force
7385 using SSE registers (and return NO_REGS for floating-point
7386 constants) if math is done with SSE.
7387 (ix86_preferred_output_reload_class): New.
7388 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
7389 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
7390 * config/i386/i386.md: Remove # register preferences.
7392 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7395 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7396 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
7397 the type of nb_iter.
7398 (instantiate_parameters_1): Convert the operands before calling
7399 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
7400 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
7402 2006-04-02 Roger Sayle <roger@eyesopen.com>
7404 * builtins.c (dummy_object): Use build_int_cst instead of convert.
7405 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
7407 * dojump.c (do_jump): Likewise.
7408 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
7409 * gimplify.c (gimple_boolify, gimplify_init_constructor,
7410 gimplify_boolean_expr): Likewise.
7411 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
7412 * varasm.c (array_size_for_constructor): Likewise.
7413 * tree-object-size.c (compute_object_offset): Likewise.
7415 2006-04-02 Roger Sayle <roger@eyesopen.com>
7418 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
7419 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
7421 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7423 PR tree-optimization/26939
7424 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
7426 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7428 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
7429 at_stmt. Convert the type of operands before calling
7430 build_polynomial_chrec.
7431 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
7433 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
7434 (instantiate_parameters_1): Convert the type of operands before calling
7435 build_polynomial_chrec.
7436 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
7437 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
7438 reset_evolution_in_loop): Insert asserts to check the types of the
7440 (chrec_type): Moved...
7441 (eq_evolutions_p): Use operand_equal_p.
7442 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
7443 the types of the operands.
7444 (chrec_type): ...here.
7445 * tree-data-ref.c (create_data_ref): Convert the operands before
7446 calling chrec_replace_initial_condition.
7447 (same_access_functions, analyze_subscript_affine_affine,
7448 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
7449 (compute_subscript_distance, analyze_ziv_subscript,
7450 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
7451 analyze_miv_subscript): Convert the operands before calling
7452 chrec_fold_minus or chrec_fold_plus.
7454 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7456 * tree-data-ref.c (compute_all_dependences): Use a pointer to
7457 the dependence_relations vector.
7458 (compute_data_dependences_for_loop): Adjust call to
7459 compute_all_dependences.
7461 2006-04-01 Roger Sayle <roger@eyesopen.com>
7462 Richard Henderson <rth@redhat.com>
7464 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
7465 gimple_boolify on the condition before calling gimplify_expr.
7467 2006-03-31 Bob Wilson <bob.wilson@acm.org>
7469 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
7470 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
7471 the frame size. Update to use the new macros.
7472 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
7473 * config/xtensa/ieee754-df.S: Likewise.
7475 2006-03-31 Richard Henderson <rth@redhat.com>
7477 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
7478 (make_edges): ... here. Control fallthru creation with a local
7479 variable. Do not play with fake edges.
7480 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
7481 (make_goto_expr_edges): Don't play with fake edges. Make for_call
7484 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
7486 * dwarf2.h (DW64_CIE_ID): Define.
7487 * dwarf2out.c (DWARF_CIE_ID): Define.
7488 (output_call_frame_info): Output 0xffffffff before standard 8-byte
7489 length header. Use DWARF_CIE_ID.
7490 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
7491 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
7493 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
7495 * config/sh/linux-atomic.asm: New file.
7496 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
7498 2006-03-31 DJ Delorie <dj@redhat.com>
7500 * config/m32c/cond.md: Set condition flags properly throughout.
7501 * config/m32c/minmax.md: Likewise.
7502 * config/m32c/prologue.md: Likewise.
7503 * config/m32c/bitops.md: Likewise.
7504 * config/m32c/muldiv.md: Likewise.
7505 * config/m32c/mov.md: Likewise.
7506 * config/m32c/addsub.md: Likewise.
7507 * config/m32c/m32c.md: Likewise.
7508 * config/m32c/jump.md: Likewise.
7509 * config/m32c/shift.md: Likewise.
7511 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
7512 conditionally output the pattern for this.
7513 * config/m32c/m32c.c (flags_needed_for_conditional): New.
7514 (m32c_compare_redundant): New.
7515 (m32c_output_compare): New.
7516 * config/m32c/m32c-protos.h (m32c_output_compare): New.
7518 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
7519 dest, not src. Allow other 4-byte modes.
7521 2006-03-30 Denis Chertykov <denisc@overta.ru>
7523 * doc/md.texi: Refer to avr/constraints.md instead of
7526 2006-03-30 Roger Sayle <roger@eyesopen.com>
7528 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
7529 signed vs. unsigned comparison failures on some hosts.
7531 2006-03-31 Alan Modra <amodra@bigpond.net.au>
7534 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
7535 change to FLOAT_REGS.
7537 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
7538 (rs6000_override_options): Use it.
7539 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
7540 only for -mabi=spe/no-spe and -mabi=altivec.
7542 2006-03-30 Geoffrey Keating <geoffk@apple.com>
7544 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
7547 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
7549 * Makefile.in: Rename docdir to gcc_docdir.
7551 2006-03-30 Roger Sayle <roger@eyesopen.com>
7554 * expr.c (emit_group_store): Optimize group stores into a pseudo
7555 register by using a paradoxical subreg to initialize the destination
7556 if the first or last member of the group specifies a "low part".
7558 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7561 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
7562 * target.h (struct gcc_target.speculate_insn): Change type of the
7563 second parameter to 'int'.
7564 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
7565 the second operand of the DEPS_LIST.
7566 (copy_DEPS_LIST_list): Update reference to the second operand of the
7568 * rtl.h (alloc_DEPS_LIST): Update signature.
7569 * sched-int.h (ds_t): Change typedef to 'int'.
7570 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7572 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7574 * haifa-sched.c (try_ready): Change condition to restore
7575 non-speculative pattern of the instruction.
7576 (process_insn_depend_be_in_spec): Code to keep probability of the
7577 speculative dependence non-decreasing.
7579 2006-03-30 Jie Zhang <jie.zhang@analog.com>
7581 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
7582 (single_move_for_movmem): ... this. Also change all uses.
7583 (bfin_expand_strmov): Renamed to...
7584 (bfin_expand_movmem): ... this. Also change all uses.
7585 * config/bfin/bfin.md (movstrsi): Renamed to...
7586 (movstrsi): ...this.
7588 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
7590 PR tree-optimization/26830
7592 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
7593 (copy_prop_visit_stmt): Remove write-only variable ann.
7594 (init_copy_prop): Check variable loop depth here. Do not simulate
7595 memory-tag and virtual operand PHIs except for store copy prop.
7597 2006-03-30 Richard Guenther <rguenther@suse.de>
7599 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
7600 variants with double arguments.
7602 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7604 * genpreds.c (write_tm_constrs_h): Delete variable p.
7605 * genconditions.c (write_header): Add tm-constrs.h to included
7607 * genpeep.c (main): Add toplev.h to included headers.
7608 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
7609 (build/genpeep.o): Add toplev.h dependency.
7610 * config/rs6000/constraints.md: Add "W" constraint.
7612 2006-03-29 Roger Sayle <roger@eyesopen.com>
7614 * stor-layout.c (mode_for_size_tree): Remove restiction on type
7615 sizes by correctly testing whether the size fits a host integer.
7616 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
7617 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
7618 SImode range for the default sizetype and bitsizetype.
7620 2006-03-29 Roger Sayle <roger@eyesopen.com>
7622 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
7623 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
7624 quickly if the argument is already of the correct type.
7625 Call fold_build1 instead of build1. Tidy up blank lines.
7627 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7629 * genemit.c (main): Add tm-constrs.h to included headers.
7630 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
7631 * genpeep.c (main): Add tm-constrs.h to included headers.
7632 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
7633 (write_tm_constrs_h): this and write complete file.
7634 (write_tm_preds_h): Do not emit satisfies_constraint fns.
7635 (write_insn_preds_c): Add tm-constrs.h to included headers.
7636 (gen_constrs): New variable.
7637 (parse_option): Parse "-c".
7638 (main): Invoke write_tm_constrs_h.
7639 * genrecog.c (write_header): Add tm-constrs.h to included headers.
7640 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
7641 (object_out_file): Add tm-constrs.h dependency.
7642 (insn-emit.o): Same.
7643 (insn-output.o): Same.
7644 (insn-peep.o): Same.
7645 (insn-preds.o): Same.
7646 (insn-recog.o): Same.
7647 (tm-constsr.h): New target.
7648 (s-constrs-h): New target.
7650 * config/rs6000/constraints.md: New file.
7651 * config/rs6000/rs6000.c: Include tm-constrs.h.
7652 (num_insn_constant_wide): Convert to satisfies_constraint.
7653 (rs6000_rtx_costs): Convert to satisfies_constraint.
7654 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
7655 (CONST_OK_FOR_LETTER_P): Delete.
7656 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7657 (EXTRA_CONSTRAINT): Delete.
7658 (EXTRA_MEMORY_CONSTRAINT): Delete.
7659 (EXTRA_ADDRESS_CONSTRAINT): Delete.
7660 * config/rs6000/predicates.md: Convert to satisfies_constraint.
7661 * config/rs6000/rs6000.md: Include constraints.md. Convert to
7662 satisfies_constraint.
7664 * config/i386/i386.c: Include tm-constrs.h.
7666 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
7668 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
7669 * tree-data-ref.c (find_data_references_in_loop,
7670 compute_data_dependences_for_loop): Use pointers to VEC.
7671 (analyze_all_data_dependences): Adjust calls.
7672 * tree-data-ref.h (find_data_references_in_loop,
7673 compute_data_dependences_for_loop): Adjust declarations.
7674 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
7675 compute_data_dependences_for_loop.
7677 2006-03-29 Paul Brook <paul@codesourcery.com>
7679 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
7682 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
7684 PR tree-optimization/26859
7685 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
7687 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
7688 for the step after fold_convert.
7690 2006-03-29 Paul Brook <paul@codesourcery.com>
7692 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
7693 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
7695 2006-03-29 Paul Brook <paul@codesourcery.com>
7698 * targhooks.c (default_narrow_bitfield): New fuction.
7699 * targhooks.h (default_narrow_bitfield): add prototype.
7700 * target.h (gcc_target): Add narrow_volatile_bitfield.
7701 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7702 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
7703 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
7704 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7706 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
7708 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
7710 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
7711 (NR_C_MODES): Add TDmode, DDmode and SDmode.
7712 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
7713 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
7714 (s390_function_arg_float): Allow SDmode and DDmode values to be
7715 passed in floating point registers.
7716 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
7717 check with SCALAR_FLOAT_MODE_P.
7718 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
7720 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7722 PR tree-optimization/25985
7723 * tree-ssa-loop-niter.c (number_of_iterations_le,
7724 number_of_iterations_ne): Make comments more precise.
7725 (number_of_iterations_cond): Add only_exit argument. Use the
7726 fact that signed variables do not overflow only when only_exit
7728 (loop_only_exit_p): New.
7729 (number_of_iterations_exit): Pass result of loop_only_exit_p to
7730 number_of_iterations_cond.
7732 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7734 PR tree-optimization/26643
7735 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
7738 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
7740 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
7741 (divsi3_i4_int): Likewise.
7743 2006-03-28 Roger Sayle <roger@eyesopen.com>
7745 * expr.c (emit_group_store): Only create a new pseudo reg if the
7746 quantity it needs to hold isn't already a suitable pseudo.
7748 2006-03-28 Jeff Law <law@redhat.com>
7750 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
7751 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
7753 2006-03-28 Roger Sayle <roger@eyesopen.com>
7755 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
7756 the equivalent ~X & Y, and the symmetry related transformations.
7757 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
7758 ~X & Y, and symmetry related transforms.
7760 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7762 Revert my 2006-03-27 patches.
7764 2006-03-28 Roger Sayle <roger@eyesopen.com>
7766 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
7767 ~(T1)X, when T1 and T2 are integer types of the same precision
7768 and (T2)X isn't an extension.
7770 2006-03-28 Jeff Law <law@redhat.com>
7772 PR tree-optimization/26796
7773 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
7774 need EH edge cleanups rather than purging them immediately.
7775 (eliminate_degenerate_phis): Handle queued EH cleanups.
7777 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
7779 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
7782 2006-03-27 Roger Sayle <roger@eyesopen.com>
7785 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
7786 cast BIT_NOT_EXPR operand to the correct type.
7788 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
7790 * tree-loop-linear.c: Don't include varray.h.
7791 (gather_interchange_stats, try_interchange_loops,
7792 linear_transform_loops): Use VEC instead of VARRAY.
7793 * lambda-mat.c: Don't include varray.h.
7794 * tree-chrec.c: Same.
7795 * lambda-trans.c: Same.
7796 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
7797 VEC instead of VARRAY.
7798 * tree-vectorizer.h: Idem.
7799 * tree-data-ref.c (dump_data_references,
7800 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
7801 initialize_data_dependence_relation, finalize_ddr_dependent,
7802 compute_all_dependences, find_data_references_in_loop,
7803 compute_data_dependences_for_loop, analyze_all_data_dependences,
7804 free_dependence_relation, free_dependence_relations,
7805 free_data_refs): Idem.
7806 * tree-data-ref.h (data_reference_p, subscript_p): New.
7807 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
7808 VEC instead of VARRAY.
7809 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
7810 (find_data_references_in_loop, compute_data_dependences_for_loop,
7811 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
7812 dump_data_dependence_relations, free_dependence_relations,
7813 free_data_refs): Adjust declaration.
7814 (lambda_transform_legal_p): Move declaration here...
7815 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
7816 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
7817 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
7818 vect_analyze_data_refs): Use VEC instead of VARRAY.
7819 * lambda.h (lambda_transform_legal_p): ...from here.
7820 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
7821 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
7822 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
7823 tree-chrec.o): Don't depend on VARRAY_H.
7825 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7827 * rtl.def (Copyright): Update date.
7828 (DEPS_LIST): Change type of the second operand to 'int'.
7829 * target.h (Copyright): Update date.
7830 (struct gcc_target.speculate_insn): Change type of the second parameter
7832 * lists.c (Copyright): Update date.
7833 (alloc_DEPS_LIST): Change signature. Update reference to the second
7834 operand of the DEPS_LIST.
7835 (copy_DEPS_LIST_list): Update reference to the second operand of the
7837 * rtl.h (Copyright): Update date.
7838 (alloc_DEPS_LIST): Update signature.
7839 * sched-int.h (Copyright): Update date.
7840 (ds_t): Change typedef to 'int'.
7841 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7843 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7845 * haifa-sched.c (Copyright): Update date.
7846 (try_ready): Change condition to restore non-speculative pattern
7848 (process_insn_depend_be_in_spec): Code to keep probability of the
7849 speculative dependence non-decreasing.
7851 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
7853 * regrename.c (replace_oldest_value_addr): Initialize a variable to
7854 shut up the compiler.
7856 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
7858 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
7859 to use lib prefix for target.
7860 ($(T)libic_invalidate_array_4-200.a): Likewise.
7861 ($(T)libic_invalidate_array_4a.a): Likewise.
7863 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
7864 J"orn Rennecke <joern.rennecke@st.com>
7866 * superh.opt: New file.
7867 * sh.c (boardtype, osruntime): Remove.
7868 * superh.h (SUBTARGET_OPTIONS): Remove.
7869 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
7871 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
7872 arguments with ^ and/or [].
7874 * config.gcc (sh-*-*): Add quoting to account for quirk of
7876 Replace == with = in enable_incomplete_targets test.
7878 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
7879 with MASK_LITTLE_ENDIAN.
7881 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
7882 * config/sh/sh.opt: Added to some comments.
7883 * config/sh/superh.h: Removed some chaff.
7885 * config/sh/sh.opt: Add m4-[1234]00* options.
7886 * config/sh/sh.c (sh_handle_option): Likewise.
7887 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
7888 (ic_invalidate_array_4-100.o): New rule.
7889 ($(T)libic_invalidate_array_4-100.a): Likewise.
7890 (ic_invalidate_array_4-200.o): Likewise.
7891 ($(T)libic_invalidate_array_4-200.a): Likewise.
7892 (ic_invalidate_array_4a.o): Likewise.
7893 ($(T)libic_invalidate_array_4a.a): Likewise.
7894 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
7895 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
7897 * config/sh/crt1.asm: Merged in profiling code.
7898 * config/sh/superh.h (STARTFILE_SPEC): Override.
7899 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
7900 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
7901 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
7903 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
7904 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
7905 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
7907 * sh.opt (mpretend-cmove): New option.
7908 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
7909 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
7910 (movsicc): Add TARGET_PRETEND_CMOVE code.
7912 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
7914 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
7915 s390_class_max_nregs): New function prototypes.
7916 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
7917 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
7918 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
7919 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
7921 2006-03-26 Geoffrey Keating <geoffk@apple.com>
7923 * dwarf2out.c (add_location_or_const_value_attribute): Call
7924 tree_add_const_value_attribute if nothing else works.
7925 (reference_to_unused): New.
7926 (rtl_for_decl_init): Use reference_to_unused to decide whether
7927 to output an initializer.
7929 2006-03-27 Alan Modra <amodra@bigpond.net.au>
7932 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
7933 peephole removing spe frob_di_df_2.
7935 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
7937 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
7938 (subscript_dependence_tester_1): Declared.
7939 (print_dir_vectors, print_dist_vectors): New.
7940 (debug_data_dependence_relation): New.
7941 (dump_data_dependence_relation): Print more details.
7942 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
7943 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
7944 (save_dist_v, save_dir_v, add_outer_distances,
7945 build_classic_dist_vector_1): New.
7946 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
7947 Don't test for lambda_vector_lexico_pos.
7948 (same_access_functions, add_multivariate_self_dist,
7949 add_other_self_distances, dir_from_dist): New.
7950 (build_classic_dir_vector): Replace implementation almost identical to
7951 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
7953 (subscript_dependence_tester_1): New.
7954 (subscript_dependence_tester): Handle the lexicographically negative
7955 distance vectors by recomputing the dependence relation.
7956 (compute_affine_dependence): Remove parameter loop_nest_depth.
7957 (compute_self_dependence): Don't call compute_subscript_distance.
7958 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
7959 Add a parameter for the loop_nest.
7960 (find_loop_nest_1, find_loop_nest): New.
7961 (compute_data_dependences_for_loop): Compute the loop nest, and give
7962 up if the nest is not well formed.
7963 * tree-data-ref.h (loop_p): New.
7964 (struct data_dependence_relation): Replace size_vect field with
7965 loop_nest, a vec of loops.
7966 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
7967 (DDR_LOOP_NEST): New.
7968 (print_dir_vectors, print_dist_vectors,
7969 debug_data_dependence_relation): Declared.
7970 (index_in_loop_nest): New.
7971 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
7972 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
7975 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
7977 * simplify-rtx.c (simplify_relational_operation): Call
7978 simplify_relational_operation_1 even if mode is VOIDmode.
7980 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
7982 PR tree-optimization/26804
7983 * tree.h (DECL_CALL_CLOBBERED): New macro.
7984 (tree_decl_common): Add call_clobbered_flag.
7985 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
7986 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
7987 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
7988 (mark_non_addressable): Ditto.
7989 * tree-ssa.c (verify_call_clobbered): New function.
7990 (verify_alias_info): Use it.
7991 * tree-pass.h (pass_reset_cc_flags): New prototype.
7992 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
7993 (reset_cc_flags): New function.
7994 * passes.c (init_optimization_passes): Call reset_cc_flags after
7995 initializing referenced_vars.
7997 2006-03-25 Uros Bizjak <uros@kss-loka.si>
7998 Roger Sayle <roger@eyesopen.com>
8001 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8002 to 1.0 for non-real operands. Implement A / A optimization for
8005 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
8007 * config/i386/i386.c (size_cost): Correct the comment for
8008 cost of storing fp registers.
8009 (i386_cost): Likewise.
8010 (i486_cost): Likewise.
8011 (pentium_cost): Likewise.
8012 (pentiumpro_cost): Likewise.
8013 (k6_cost): Likewise.
8014 (athlon_cost): Likewise.
8015 (k8_cost): Likewise.
8016 (pentium4_cost): Likewise.
8017 (nocona_cost): Likewise.
8018 (generic64_cost): Likewise.
8019 (generic32_cost): Likewise.
8021 2006-03-24 Denis Chertykov <denisc@overta.ru>
8023 * config/avr/avr-protos.h (extra_constraint): Delete.
8024 (extra_constraint_Q): New declaration.
8025 * config/avr/constraints.md: New file.
8026 * config/avr/avr.md: Include it.
8027 (REG_X, REG_Y, REG_Z, REG_W): New constants.
8028 (TMP_REGNO, ZERO_REGNO): Likewise.
8029 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
8030 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
8031 (extra_constraint): Delete.
8032 (extra_constraint_Q): Test for memory constraint 'Q'.
8033 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
8034 (REG_CLASS_FROM_LETTER): Delete.
8035 (CONST_OK_FOR_LETTER_P): Delete.
8036 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8037 (EXTRA_CONSTRAINT): Delete.
8038 (TMP_REGNO): Delete.
8039 (ZERO_REGNO): Delete.
8041 2006-03-24 Jeff Law <law@redhat.com>
8043 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
8044 directly. Call mark_new_vars_to_rename slightly earlier.
8046 2006-03-24 Geoffrey Keating <geoffk@apple.com>
8048 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
8050 (gen_compile_unit_die): Use new language types for Objective-C and
8052 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
8053 DW_LANG_C_plus_plus.
8056 * config/t-darwin (crt3.o): Work around bug 26840.
8057 * config/darwin-crt3.c: Rewrite.
8058 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
8060 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
8062 * doc/invoke.texi: Document -femit-class-debug-always
8063 * common.opt: Add -femit-class-debug-always.
8065 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
8067 * config/s390/s390.c (s390_decompose_address): Allow SImode for
8068 index and base register.
8069 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
8070 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
8071 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
8072 REGNO_OK_FOR_INDEX_P.
8073 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
8075 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
8076 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
8077 REG_OK_FOR_BASE_P): Definitions removed.
8079 2006-03-24 Jakub Jelinek <jakub@redhat.com>
8082 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
8083 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
8084 set yet or weren't marked as local yet.
8086 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
8088 * regrename.c (scan_rtx_address): Initialize a variable to shut up
8091 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
8093 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
8094 (rs6000_legitimate_small_data_p): Delete.
8095 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
8096 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
8097 and make static. Add forward declaration. Update uses.
8098 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
8099 of offsettable_memref_p.
8100 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
8101 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
8103 2006-03-24 Jeff Law <law@redhat.com>
8105 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
8106 around bug in immediate-use iterator.
8108 2006-03-24 Alan Modra <amodra@bigpond.net.au>
8111 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
8112 or __LITTLE_ENDIAN__.
8114 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
8116 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
8117 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
8118 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
8119 * config/sh/sh.opt (mdiv=): Amend description.
8120 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
8121 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
8122 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
8123 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
8124 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
8125 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
8126 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
8127 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
8128 TARGET_DIVIDE_CALL_FP.
8130 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8132 * haifa-sched.c (choose_ready): Fix type of the local variable.
8133 Move local variables. Add comment.
8134 (check_reg_live): Change signature. Make callable from debugger.
8135 * sched-int.h (check_reg_live): Update signature.
8136 * sched-ebb.c (check_reg_live): Update parameters.
8137 * sched-rgn.c (check_reg_live): Ditto.
8138 (region_head_or_leaf_p): Check pointer before dereferencing.
8139 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
8140 before reload on optimization levels below 1.
8142 2006-03-23 Richard Henderson <rth@redhat.com>
8144 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
8148 * config/alpha/predicates.md (local_symbolic_operand): Reject
8151 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
8154 * tree-ssa-pre.c (create_value_expr_from): Don't reject
8155 expressions which have overflowed constants.
8157 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8159 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
8161 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8163 * cfgloopmanip.c (create_loop_notes): Removed.
8164 * final.c (final_scan_insn): Do not handle loop notes.
8165 * jump.c (squeeze_notes): Ditto.
8166 * cfglayout.c (skip_insns_after_block,
8167 duplicate_insn_chain): Ditto.
8168 * cfgcleanup.c (rest_of_handle_jump2): Do not call
8170 * cfgloop.h (create_loop_notes): Declaration removed.
8172 2006-03-23 Richard Sandiford <richard@codesourcery.com>
8174 * varasm.c (output_constant_pool): Restore fnname and fndecl
8176 (assemble_start_function): Adjust call accordingly.
8177 (assemble_end_function): Likewise.
8179 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8182 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
8185 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
8187 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8190 * system.h (ICE_EXIT_CODE): New macro.
8191 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
8192 (diagnostic_action_after_output): Likewise.
8193 * gcc.c (fatal_ice): New function.
8194 (execute): Use it instead of fatal.
8195 (fancy_abort): Likewise.
8196 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
8198 2006-03-22 Jeff Law <law@redhat.com>
8200 * loop-unroll.c (analyze_iv_to_split_insn): Handle
8201 iv_analyze_result returning false.
8203 2006-03-22 Jie Zhang <jie.zhang@analog.com>
8205 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
8207 2006-03-22 Richard Henderson <rth@redhat.com>
8210 * except.c (duplicate_eh_regions_0): New.
8211 (duplicate_eh_region_1): Duplicate the children of the node as
8212 well as the node itself. Link them up properly.
8213 (duplicate_eh_region_2): Merge into ...
8214 (duplicate_eh_regions): ... here. Take copy_region argument, and
8215 copy only a sub-tree if asked. Simplify copying and fixup.
8216 (eh_region_outer_p): New.
8217 * except.h (duplicate_eh_regions): Update decl.
8218 (eh_region_outer_p): Declare.
8219 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
8220 (lower_omp_master): Likewise.
8221 (lower_omp_ordered): Likewise.
8222 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
8223 (move_stmt_r): Use it to remap labels. Handle recursion vs
8224 remap_decls_p properly.
8225 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
8226 (find_outermost_region_in_block): New.
8227 (new_label_mapper): New.
8228 (move_sese_region_to_fn): Copy eh information to the new function
8230 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
8232 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
8235 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8237 * doc/md.texi (-mshared): Mention that -mshared code can be linked
8238 into shared libraries.
8240 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8242 * doc/md.texi: Refer to i386/constraints.md instead of
8244 * config/i386/constraints.md: New file, extracted from...
8245 * config/i386/predicates.md: ...here.
8246 * config/i386/i386.md: Include constraints.md.
8248 2006-03-21 Jason Merrill <jason@redhat.com>
8250 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
8253 * expr.c (init_block_move_fn): Force default visibility.
8254 (init_block_clear_fn): Likewise.
8255 * builtins.c (expand_builtin_fork_or_exec): Likewise.
8256 * targhooks.c (default_external_stack_protect_fail): Likewise.
8258 2006-03-21 Richard Sandiford <richard@codesourcery.com>
8260 * config/mips/predicates.md (const_call_insn_operand): Allow direct
8261 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
8262 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
8263 Use TARGET_OLDABI instead of !TARGET_NEWABI.
8264 (loadgp): Use mips_current_loadgp_style.
8265 (loadgp_noshared): New pattern.
8266 (sibcall_internal): Use MIPS_CALL.
8267 (sibcall_value_internal): Likewise.
8268 (sibcall_value_multiple_internal): Likewise.
8269 (call_internal): Likewise.
8270 (call_value_internal): Likewise.
8271 (call_value_multiple_internal): Likewise.
8272 (call_split): Use MIPS_CALL and add an 'S' constraint.
8273 (call_value_split): Likewise.
8274 (call_value_multiple_split): Likewise.
8275 * config/mips/mips.opt (-mabicalls): Tweak docstring.
8276 (-mshared): New option.
8277 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
8278 (mips_current_loadgp_style): Declare.
8279 * config/mips/mips.c (mips_classify_symbol): Avoid using
8280 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
8281 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
8282 TARGET_ABSOLUTE_ABICALLS.
8283 (override_options): Adjust comments. Improve the warning that is
8284 issued when -mabicalls and -G are used together.
8285 (mips_file_start): Remove comment.
8286 (mips_current_loadgp_style): New function.
8287 (mips_gnu_local_gp): New variable.
8288 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
8290 (mips_output_function_prologue): Use mips_current_laodgp_style.
8291 (mips_expand_prologue): Call mips_emit_loadgp before emitting
8292 the cprestore instruction.
8293 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
8294 live for TARGET_ABSOLUTE_ABICALLS.
8295 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
8296 (ASM_SPEC): Pass down -mshared and -mno-shared.
8297 (MIPS_CALL): New macro.
8298 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
8300 * doc/invoke.texi (-mabicalls): Update documentation.
8301 (-mshared): Document.
8303 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8305 * config/ia64/unwind-hpux.c: New file.
8306 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
8308 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8311 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
8313 2006-03-21 Jeff Law <law@redhat.com>
8315 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
8316 type conversions of a VR_VARYING source to a wider type.
8318 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
8320 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
8321 tm_file on Solaris 10 and later.
8322 (sparc64-*-solaris2*): Likewise.
8323 (sparc-*-solaris2*): Likewise.
8324 * config/sol26.h: Rename to config/sol2-6.h.
8325 * config/sol2-10.h: New file.
8327 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
8330 * tree-ssa-pre.c (create_component_ref_by_pieces):
8333 2006-03-21 Jakub Jelinek <jakub@redhat.com>
8336 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
8337 return it immediately.
8339 2006-03-21 Michael Matz <matz@suse.de>
8341 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
8343 (remove_arc, add_arc): Update num_out_arcs member.
8344 (set_out_arc_insns_equiv_num): Returns nothing instead of number
8346 (cache_presence): New function.
8347 (compare_states_for_equiv): New function.
8348 (state_is_differed): Don't take number of outargs, adjust callers.
8349 Use new invariant for speeding up.
8350 (init_equiv_class): Create initial classes based on sorted
8352 (partition_equiv_class): Don't track out_arcs_num.
8353 (evaluate_equiv_classes): Call cache_presence on all states and
8356 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
8358 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
8359 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
8360 (bfin_valid_reg_p): Test for pseudos explicitly and use only
8361 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
8363 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
8364 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
8365 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
8366 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
8367 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
8369 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
8370 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
8371 (REGNO_REG_CLASS): ARGP is in PREGS.
8372 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
8374 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
8375 to deal with those addresses.
8376 * addresses.h: New file.
8377 * caller-save.c: Include "addresses.h".
8378 (init_caller_save): Use new base_reg_class function.
8379 * rtl-factoring.c: Include "addresses.h".
8380 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
8381 * recog.c: Include "addresses.h".
8382 (preprocess_constraints): Use new base_reg_class function.
8383 * regrename.c: Include "addresses.h".
8384 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
8385 functions. Keep track of a new var INDEX_CODE to compute valid
8387 (replace_oldest_value_addr): Likewise.
8388 (replace_oldest_value_mem): Use base_reg_class.
8389 * reload.c: Include "addresses.h".
8390 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
8391 (find_reloads): Use new base_reg_class function.
8392 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
8393 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
8394 all callers and prototype changed.
8395 * reload1.c: Include "addresses.h".
8396 (maybe_fix_stack_asms): Use base_reg_class.
8397 * regclass.c: Include "addresses.h".
8398 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
8399 (init_reg_autoinc): Use new base_reg_class function.
8400 (record_reg_classes): Likewise.
8401 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
8402 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
8403 Use new args to compute necessary class.
8405 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
8406 regrename.o, rtl-factoring.o): Update dependencies.
8407 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
8408 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
8409 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
8410 REG_OK_FOR_INDEX_P): Delete documentation.
8412 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
8414 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
8415 from V7 to V9 for Solaris 7 and above.
8417 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
8419 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
8420 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
8421 argument pointers may not alias any other storage.
8422 * common.opt: Define option -fargument-noalias-anything.
8423 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
8424 alias semantics is specified by flag_argument_noalias > 2.
8426 2006-03-20 Jeff Law <law@redhat.com>
8428 * tree-pass.h (pass_phi_only_copy_prop): Delete.
8429 (pass_phi_only_cprop): Declare.
8430 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
8432 * tree-ssa-dom.c (degenerate_phi_result): New function.
8433 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
8434 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
8435 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
8436 (eliminate_degenerate_phis): Likewise.
8437 (pass_phi_only_cprop): New pass descriptor.
8438 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
8439 support code. Callers updated.
8440 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
8441 (store_copy_prop): Likewise.
8442 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
8444 2006-03-20 Jason Merrill <jason@redhat.com>
8447 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
8448 (push_visibility, pop_visibility): Likewise.
8449 * c-pragma.h: Declare them.
8451 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
8453 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
8455 * config/sh/sh.c (find_regmode_weight): Change the type of the first
8456 parameter and use get_ebb_head_tail.
8457 (sh_md_init_global): Adjust uses of find_regmode_weight.
8459 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
8461 * function.h (struct function) <x_tail_recursion_reentry>:
8462 Rename to x_stack_check_probe_note.
8463 (tail_recursion_reentry): Rename to stack_check_probe_note.
8464 * function.c: Replace tail_recursion_reentry with
8465 stack_check_probe_note everywhere.
8466 (expand_function_start): Only emit a note for
8467 stack_check_probe_note with -fstack-protect.
8468 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
8470 * emit-rtl.c (remove_unnecessary_notes): Remove.
8471 (pass_remove_unnecessary_notes): Remove.
8472 * rtl.h (remove_unnecessary_notes): Remove prototype.
8473 * final.c (final_start_function): Don't call remove_unnecessary_notes.
8474 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
8475 * passes.c (pass_remove_unnecessary_notes): Don't run it.
8477 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
8480 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
8481 (valid_in_set): Handle ARRAY_REF.
8482 Change "if min_variant or VH" to asserts.
8483 (create_component_ref_by_pieces): Handle ARRAY_REF.
8484 (create_expression_by_pieces): Likewise.
8485 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
8487 2006-03-20 David Edelsohn <edelsohn@gnu.org>
8489 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
8490 is operand of switch, not str[0].
8492 2006-03-20 Alan Modra <amodra@bigpond.net.au>
8494 * config/rs6000/rs6000.c (rs6000_handle_option): Use
8495 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
8497 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8499 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
8500 end of insn_extra_address_constraint declaration.
8502 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8504 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
8505 (no-sum-in-toc): Same.
8506 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
8508 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
8509 NO_FP_IN_TOC for -fPIC instead of mask.
8511 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
8512 (BOOT_LDFLAGS): Delete.
8514 * config/rs6000/t-aix52: Same.
8516 * config/rs6000/rs6000.md (store_multiple_power): Delete.
8517 (stmsi[345678]_power): New.
8519 2006-03-17 Steve Ellcey <sje@cup.hp.com>
8521 * config/ia64/ia64.opt: Add empty line to end of file.
8523 2006-03-17 Richard Guenther <rguenther@suse.de>
8526 * builtins.c (get_pointer_alignment): For component style references
8527 adjust alignment to the component type alignment. Make sure
8528 to adjust alignment for component access of constants.
8530 2006-03-17 David Edelsohn <edelsohn@gnu.org>
8532 * config/rs6000/rs6000.md (strlensi): Emit barrier after
8535 2006-03-17 Paul Brook <paul@codesourcery.com>
8537 * doc/install.texi: Docuemnt --with-mode.
8538 * config.gcc: Add --with-mode for arm*-*-*.
8539 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
8541 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
8543 * sh.c (max_labelno_before_reorg): New variable.
8544 (sh_reorg): Initialize it.
8545 (find_barrier): Check max_labelno_before_reorg before using
8546 label_to_alignment. Take length of explicit alignment insns
8547 into account. When seeing a UNSPECV_CONST_END, return it.
8549 * sh.c (fixup_mova): Set mode of affected label to QImode.
8550 (untangle_mova): New function.
8551 (find_barrier): Use it. Check mode of label before decrementing
8553 (sh_reorg): Likewise.
8554 Set mode of all insns back to VOIDmode.
8556 * sh.c (MOVA_LABELREF): New macro.
8557 (mova_p, fixup_mova, sh_reorg): Use it.
8558 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
8559 ADDR_DIFF_VEC matches mova.
8561 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
8563 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
8564 with ATTRIBUTE_UNUSED.
8566 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8568 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8569 pointer, instead of assuming it is possible to derive the
8570 correct args size from a call insn.
8572 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8574 * rtl.h (CONST_INT_P): Define.
8575 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
8576 instead of GET_CODE(x) == CONST_INT.
8577 (vax_rtx_costs): Likewise.
8578 (vax_output_int_move): Likewise.
8579 (vax_output_int_add): Likewise.
8580 (legitimate_constant_address_p): Likewise.
8581 (index_term_p): Likewise.
8582 * config/vax/vax.h (PRINT_OPERAND): Likewise.
8583 * config/vax/vax.md (and<mode>3): Likewise.
8584 (ashrsi3): Likewise.
8586 (movstricthi): Likewise.
8587 (movstrictqi): Likewise.
8588 (rotrsi3): Likewise.
8589 (five unnamed insns): Likewise.
8591 2006-03-16 Geoffrey Keating <geoffk@apple.com>
8593 * doc/tm.texi (SDB and DWARF): Add extra parameter to
8594 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
8595 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
8596 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
8597 Pass to ASM_OUTPUT_DWARF_OFFSET.
8598 * dwarf2out.c (debug_frame_section): New.
8599 (output_call_frame_info): Use debug_frame_section. Pass it to
8600 dw2_asm_output_offset.
8601 (output_die): Pass appropriate section to dw2_asm_output_offset.
8602 (output_compilation_unit_header): Likewise.
8603 (output_pubnames): Likewise.
8604 (output_aranges): Likewise.
8605 (enum dw_val_class): Break dw_val_class_lbl_offset into
8606 dw_val_class_lineptr and dw_val_class_macptr.
8607 (add_AT_lbl_offset): Delete.
8608 (add_AT_lineptr): New.
8609 (add_AT_macptr): New.
8610 (AT_lbl): Expect a lineptr or macptr.
8611 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
8612 (attr_checksum): Likewise.
8613 (same_dw_val_p): Likewise.
8614 (size_of_die): Likewise.
8615 (value_format): Likewise.
8616 (output_die): Likewise.
8617 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
8619 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8620 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
8621 * config/darwin-protos.h (darwin_file_start): New.
8622 (darwin_asm_output_dwarf_offset): New.
8623 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8624 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
8626 * config/darwin.c (darwin_emit_unwind_label): Don't output label
8627 if not EH section; simplify.
8628 (darwin_file_start): New.
8629 (darwin_asm_output_dwarf_offset): New.
8630 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
8632 (DEBUG_INFO_SECTION): Likewise.
8633 (DEBUG_ABBREV_SECTION): Likewise.
8634 (DEBUG_ARANGES_SECTION): Likewise.
8635 (DEBUG_MACINFO_SECTION): Likewise.
8636 (DEBUG_LINE_SECTION): Likewise.
8637 (DEBUG_LOC_SECTION): Likewise.
8638 (DEBUG_PUBNAMES_SECTION): Likewise.
8639 (DEBUG_STR_SECTION): Likewise.
8640 (DEBUG_RANGES_SECTION): Likewise.
8641 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
8642 (ASM_OUTPUT_DWARF_OFFSET): New.
8644 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
8646 * config.gcc (tm_defines): Always add to previous value rather
8649 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8651 * config/mips/predicates.md (splittable_const_int_operand): New,
8652 split from move_operand.
8653 (splittable_symbolic_operand): New.
8654 (move_operand): Add commentary. Use splittable_const_int_operand.
8655 Inline mips_atomic_symbolic_constant_p.
8656 * config/mips/mips.md: Add combine splitters for handling moves
8657 of splittable_const_int_operands and splittable_symbolic_operands.
8658 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
8659 (mips_split_symbol): Declare.
8660 (mips_move_integer): Declare.
8661 * config/mips/mips.c (mips_split_p): Make global.
8662 (TARGET_MIN_ANCHOR_OFFSET): Override default.
8663 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8664 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8665 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
8666 (mips_offset_within_object_p): Handle block symbols.
8667 (mips_atomic_symbolic_constant_p): Delete.
8668 (mips_cannot_force_const_mem): Return false for constants that
8669 mips_legitimize_move can handle.
8670 (mips_use_blocks_for_constant_p): New function.
8671 (mips_split_symbol): Make global.
8672 (mips_move_integer): Likewise. Add a temporary register argument.
8673 (mips_legitimize_const_move): Use splittable_const_int_operand and
8674 splittable_symbolic_operand.
8675 (mips_use_anchors_for_symbol_p): New function.
8676 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
8677 (mips_split_p): Declare.
8679 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8681 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
8682 (mips*-*-linux*): Likewise.
8684 2006-03-16 Roger Sayle <roger@eyesopen.com>
8685 Daniel Speyer <dspeyer@wam.umd.edu>
8688 * tree-dump.c (dump_real): New function.
8689 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
8690 * Makefile.in (REAL_H): New macro for dependencies on real.h.
8691 (tree-dump.o): Add $(REAL_H) to the dependencies.
8693 2006-03-16 Roger Sayle <roger@eyesopen.com>
8696 * real.c (real_from_string): If the mantissa is zero, don't bother
8697 parsing the exponent as the result should always be zero.
8699 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
8701 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
8703 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8705 * config/ia64/ia64.c (stops_p): Added explicit initialization.
8706 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
8707 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
8708 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
8709 ia64_sched_finish_global): New static functions to implement
8710 hooks from gcc_target.sched.
8711 (spec_check_no, max_uid, pending_data_specs): New static variables.
8712 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
8713 ia64_spec_check_src_p): New static functions.
8714 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
8715 (TARGET_SCHED_ADJUST_COST): Removed.
8716 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
8717 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
8718 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8719 TARGET_SCHED_GEN_CHECK,
8720 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8721 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
8722 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
8723 Fixed to handle speculation checks.
8724 (rtx_needs_barrier): Fixed to handle speculative loads and
8726 (ia64_variable_issue): Added code to count speculative loads and their
8728 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
8730 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
8732 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
8734 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
8735 (ia64_reorg): Reset stops_p to NULL after it is freed.
8736 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
8737 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
8738 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
8740 (data_speculative, control_speculative, check_load): New attributes.
8741 (mov<mode>_advanced, mov<mode>_speculative,
8742 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
8743 zero_extend<mode>di2_speculative,
8744 zero_extend<mode>di2_speculative_advanced): New patterns for
8745 data and control speculative loads.
8746 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
8748 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
8749 New pattern for data and control speculation checks.
8750 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
8751 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
8752 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
8753 Auxiliary definitions for the patterns.
8754 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
8755 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
8757 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
8759 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
8760 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
8761 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
8762 New resource constraints.
8763 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
8765 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
8766 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
8767 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8768 msched-in-control-spec, msched-ldc, msched-control-ldc,
8769 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8770 msched-prefer-non-control-spec-insns,
8771 msched-count-spec-in-critical-path): New flags to tune speculative
8773 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
8774 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8775 msched-in-control-spec, msched-ldc, msched-control-ldc,
8776 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8777 msched-prefer-non-control-spec-insns,
8778 msched-count-spec-in-critical-path): Document new flags.
8780 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8782 * target.h (struct spec_info_def): New opaque declaration.
8783 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
8784 speculate_insn, needs_block_p, gen_check,
8785 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
8786 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
8787 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
8788 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
8789 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8790 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
8792 (TARGET_SCHED): Use new macros.
8793 * rtl.h (copy_DEPS_LIST_list): New prototype.
8794 * sched-int.h (struct sched_info): Change signature of new_ready field,
8795 adjust all initializations. New fields: add_remove_insn,
8796 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
8797 region_head_or_leaf_p.
8798 (struct spec_info_def): New structure declaration.
8799 (spec_info_t): New typedef.
8800 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
8801 recovery_block, orig_pat.
8802 (glat_start, glat_end): New variables declaraions.
8803 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
8805 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
8806 DETACH_LIFE_INFO, USE_GLAT.
8807 (enum SPEC_SCHED_FLAGS): New enumeration.
8808 (NOTE_NOTE_BB_P): New macro.
8809 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
8810 attach_life_info, debug_spec_status, check_reg_live): New functions.
8811 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
8812 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
8814 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
8815 * ddg.c (get_block_head_tail): Adjust all uses.
8816 * modulo-sched.c (get_block_head_tail): Adjust all uses.
8817 (sms_sched_info): Initialize new fields.
8818 (contributes_to_priority): Removed.
8819 * haifa-sched.c (params.h): New include.
8820 (get_block_head_tail): Adjust all uses.
8821 (ISSUE_POINTS): New macro.
8822 (glat_start, glat_end): New global variables.
8823 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
8824 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
8825 old_last_basic_block, before_recovery, current_sched_info_var,
8826 rgn_n_insns, luid): New static variables.
8827 (insn_cost1): New function. Move logic from insn_cost to here.
8828 (find_insn_reg_weight1): New function. Move logic from
8829 find_insn_reg_weight to here.
8830 (reemit_notes, move_insn, max_issue): Change signature.
8831 (move_insn1): Removed.
8832 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
8833 extend_bb): New static functions to support extension of scheduler's
8835 (generate_recovery_code, process_insn_depend_be_in_spec,
8836 begin_speculative_block, add_to_speculative_block,
8837 init_before_recovery, create_recovery_block, create_check_block_twin,
8838 fix_recovery_deps): New static functions to support
8839 generation of recovery code.
8840 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
8841 restore_bb_notes, move_block_after_check, move_succs): New static
8842 functions to support ebb scheduling.
8843 (init_glat, init_glat1, attach_life_info1, free_glat): New static
8844 functions to support handling of register live information.
8845 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
8846 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
8847 add_jump_dependencies): New static functions.
8848 (check_cfg, has_edge_p, check_sched_flags): New static functions for
8849 consistancy checking.
8850 (debug_spec_status): New function to call from debugger.
8851 (priority): Added code to handle speculation checks.
8852 (rank_for_schedule): Added code to distinguish speculative instructions.
8853 (schedule_insn): Added code to handle speculation checks.
8854 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
8855 Fixed to handle ebbs.
8856 (move_insn): Added code to handle ebb scheduling.
8857 (max_issue): Added code to use ISSUE_POINTS of instructions.
8858 (choose_ready): Added code to choose between speculative and
8859 non-speculative instructions.
8860 (schedule_block): Added code to handle ebb scheduling and scheduling of
8861 speculative instructions.
8862 (sched_init): Initialize new variables.
8863 (sched_finish): Free new variables. Print statistics.
8864 (try_ready): Added code to handle speculative instructions.
8865 * lists.c (copy_DEPS_LIST_list): New function.
8866 * sched-deps.c (extend_dependency_caches): New function. Move logic
8867 from create_dependency_caches to here.
8868 (get_dep_weak, ds_merge): Make global.
8869 * genattr.c (main): Code to output prototype for
8870 dfa_clear_single_insn_cache.
8871 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
8872 (output_dfa_clean_insn_cache_func): Code to output
8873 dfa_clear_single_insn_cache function.
8874 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
8876 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
8878 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
8879 New static variables.
8880 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
8881 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
8883 (ebb_sched_info): Initialize new fields.
8884 (get_block_head_tail): Adjust all uses.
8885 (compute_jump_reg_dependencies): Fixed to use glat_start.
8886 (schedule_ebb): Code to remove unreachable last block.
8887 (schedule_ebbs): Added code to update register live information.
8888 * sched-rgn.c (region_sched_info): Initialize new fields.
8889 (get_block_head_tail): Adjust all uses.
8890 (last_was_jump): Removed. Adjust users.
8891 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
8892 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
8893 Implement new hooks.
8894 (check_dead_notes1): New static function.
8895 (struct region): New fields: dont_calc_deps, has_real_ebb.
8896 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
8897 (BB_TO_BLOCK): Fixed to handle EBBs.
8898 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
8899 (ebb_head): New static variable.
8900 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
8901 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
8903 (compute_dom_prob_ps): New assertion.
8904 (check_live_1, update_live_1): Fixed to work with glat_start instead of
8905 global_live_at_start.
8906 (init_ready_list): New assertions.
8907 (can_schedule_ready_p): Split update code to begin_schedule_ready.
8908 (new_ready): Add support for BEGIN_CONTROL speculation.
8909 (schedule_insns): Fixed code that updates register live information
8911 (schedule_region): Fixed to handle EBBs.
8912 (init_regions): Use extend_regions and check_dead_notes1.
8913 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
8914 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
8915 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
8916 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8917 TARGET_SCHED_GEN_CHECK,
8918 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8919 TARGET_SCHED_SET_SCHED_FLAGS): Document.
8920 * doc/invoke.texi (max-sched-insn-conflict-delay,
8921 sched-spec-prob-cutoff): Document.
8923 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8925 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
8926 inter_tick, queue_index.
8927 (struct sched_info): Change signature of init_ready_list field.
8928 Adjust all initializations.
8929 (RESOLVED_DEPS): New access macro.
8930 (ready_add): Remove prototype.
8931 (try_ready): Add prototype.
8932 * sched-rgn.c (init_ready_list): Use try_ready.
8933 (schedule_region): Initialize
8934 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
8935 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
8936 (init_ready_list): Use try_ready.
8937 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
8938 * lists.c (remove_list_elem): Remove `static'.
8939 (remove_free_INSN_LIST_elem): New function.
8940 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
8941 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
8942 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
8944 (readyp): New variable.
8945 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
8946 change_queue_index, resolve_dep): New static functions.
8947 (try_ready): New function. Adjust callers in sched-rgn.c and
8948 sched-ebb.c to use it instead of ready_add.
8949 (clock_var): Move at the begining of file.
8950 (rank_for_schedule): Fix typo.
8951 (queue_insn): Add assertion. Handle QUEUE_INDEX.
8952 (ready_lastpos): Enforce assertion.
8953 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
8955 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
8956 (schedule_insn): Rewrite to use try_ready and resolve_dep.
8957 (queue_to_ready): Use free_INSN_LIST_list.
8958 (early_queue_to_ready): Fix typo.
8959 (schedule_block): Init readyp. Move init_ready_list call after the
8960 initialization of clock_var. Fix error in rejecting insn by
8961 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
8962 that previously corrected INSN_TICKs. Add code for handling
8964 (set_priorities): Fix typo.
8965 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
8966 Clarify comment and code that keeps current_sched_info->next_tail
8969 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8971 * sched-rgn.c (extend_rgns): New static function.
8972 (find_rgns): Use it.
8973 (gather_region_statistics, print_region_statistics): New static
8975 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
8976 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8978 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8979 Andrey Belevantsev <abel@ispras.ru>
8981 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
8982 * lists.c (unused_deps_list): New variable.
8983 (free_list): Add assertions to verify the proper distinguishing
8984 between INSN_LISTs and DEPS_LISTs.
8985 (find_list_elem, remove_list_elem, remove_list_node): New static
8987 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
8988 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
8989 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
8990 (alloc_INSN_LIST): Assert that the list we're working on is indeed
8992 (free_INSN_LIST_node): Likewise.
8993 * modulo-sched.c (current_sched_info): Initialize flags field.
8994 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
8995 * rtl.def (DEPS_LIST): Define.
8996 * rtl.h: Declare new functions from lists.c.
8997 * sched-deps.c (spec_dependency_cache): New static variable.
8998 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
8999 (add_dependence): Change return type to void. Move the logic to ...
9000 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9001 (delete_all_dependences): Add comment about forward_dependency_cache.
9002 Handle spec_dependency_cache. Handle DEPS_LISTs.
9003 (fixup_sched_groups): Clarify the change of priority of output
9004 and anti dependencies.
9005 (sched_analyze_2): Adjust add_dependence calls to create data
9006 speculative dependence.
9007 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
9008 Adjust all callers. Handle DEPS_LISTS.
9009 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
9010 presence of speculation.
9011 (init_dependency_caches, free_dependency_caches):
9012 Handle spec_dependency_cache.
9013 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
9014 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
9015 New static functions.
9016 (add_or_update_back_dep, add_or_update_back_forw_dep,
9017 add_back_forw_dep, delete_back_forw_dep): New functions.
9018 * sched-int.h (ds_t, dw_t): New typedefs.
9019 (struct sched_info): Add new field flags.
9020 (struct haifa_insn_data): Add new bitfield has_internal_dep.
9021 Prototype new sched-deps.c functions.
9022 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
9023 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
9024 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
9025 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
9026 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
9027 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
9029 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
9031 * sched-rgn.c (current_sched_info): Initialize flags field.
9032 (schedule_insns): Initialize current_sched_info before the sched_init
9034 * sched-ebb.c (current_sched_info): Initialize flags field.
9035 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
9036 Call add_or_update_back_dep instead of add_dependence.
9037 Create control speculative dependencies.
9038 (schedule_insns): Initialize current_sched_info before the sched_init
9041 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
9043 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
9045 (sh_fallback_frame_state): Likewise.
9047 2006-03-15 Geoffrey Keating <geoffk@apple.com>
9049 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
9050 Do switch on default_use_cxa_atexit.
9051 (powerpc*-*-darwin*): Build crt2.o on powerpc.
9052 * config/darwin-crt3.o: New.
9053 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
9054 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
9055 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
9057 * config/rs6000/t-darwin: Move crt2.o building to here.
9058 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
9059 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
9062 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9064 * config/vax/vax.c (nonindexed_address_p): Change logical negation
9065 from '! xxx' to '!xxx' for coding-style conformance.
9066 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
9067 (EXTRA_CONSTRAINT): Likewise.
9068 * config/vax/vax.md (four unnamed insns): Likewise.
9070 2006-03-15 Paul Brook <paul@codesourcery.com>
9072 * config/arm/arm.c (minipool_pad): New.
9073 (add_minipool_forward_ref): Include pool alignment padding in address
9075 (push_minipool_fix): Set minipool_pad.
9076 (minipool_pad): Ditto.
9078 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9080 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
9081 instead of GET_CODE() == MEM and REG_P() instead of
9083 (print_operand_address): Likewise.
9084 (vax_address_cost): Likewise.
9085 (vax_rtx_costs): Likewise.
9086 (vax_notice_update_cc): Likewise.
9087 (vax_output_int_add): Likewise.
9088 (INDEX_REGISTER_P): Likewise.
9089 (BASE_REGISTER_P): Likewise.
9090 (nonindexed_address_p): Likewise.
9091 (vax_mode_dependent_address_p): Likewise.
9092 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
9093 (PRINT_OPERAND): Likewise.
9094 * config/vax/vax.md (ashlsi3): Likewise.
9095 (ashlsi3): Likewise.
9096 (some more unnamed insns): Likewise.
9098 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
9100 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
9101 iterator-style macro.
9102 (mark_control_dependent_edges_necessary): Update the use of
9103 EXECUTE_IF_CONTROL_DEPENDENT.
9105 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
9107 * config/sh/predicates.md (cache_address_operand): Special.
9108 (ua_address_operand): Likewise.
9110 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9112 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
9114 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
9116 2006-03-15 Andreas Schwab <schwab@suse.de>
9118 * gensupport.c (identify_predicable_attribute): Don't free p_false
9119 when it is still in use.
9121 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
9123 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
9124 the default setting here.
9126 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
9128 * tree-pass.h (pass_cfg): Remove.
9129 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
9130 * passes.c (pass_cfg): Don't run it.
9132 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
9134 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
9135 * reg-stack.c (stack_regs_mentioned_data): Change the type to
9137 (stack_regs_mentioned): Update the uses of
9138 stack_regs_mentioned_data. Don't access the array beyond its
9140 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
9141 Don't include gt-reg-stack.h.
9143 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
9144 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
9146 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
9149 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
9152 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9154 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
9156 2006-03-14 Richard Guenther <rguenther@suse.de>
9158 PR tree-optimization/26672
9159 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
9162 2006-03-14 Richard Guenther <rguenther@suse.de>
9164 PR tree-optimization/26667
9165 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
9166 node for the callees. Always allow inlining if it will shrink
9169 2006-03-14 Richard Guenther <rguenther@suse.de>
9172 * builtins.c (get_pointer_alignment): Prefer alignment
9173 information from decls over that from types.
9175 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
9178 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
9180 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
9182 * config/rs6000/rs6000.opt (mdlmzb): New option.
9183 (msched-prolog, msched-epilog): Use Var not Mask.
9184 * doc/invoke.texi (-mdlmzb): Document.
9185 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9187 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
9188 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
9190 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
9192 PR rtl-optimization/25739
9193 * bt-load.c (augment_live_range): Free tos pointer.
9195 * gensupport.c (identify_predicable_attribute): Free
9197 * gcov.c (create_file_names): Free name pointer.
9199 2006-03-13 Roger Sayle <roger@eyesopen.com>
9202 * stmt.c (emit_case_nodes): Handle the case where the index is a
9203 CONST_INT, where the comparison mode is specified by the index type.
9205 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9207 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
9210 2006-03-13 Richard Sandiford <richard@codesourcery.com>
9212 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
9213 (*branch_fp_inverted): Likewise.
9215 2006-03-13 Jakub Jelinek <jakub@redhat.com>
9218 * omp-low.c (expand_omp_for_generic): Mark istart0
9219 and iend0 as addressable.
9221 2006-03-13 Jie Zhang <jie.zhang@analog.com>
9223 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
9225 2006-03-13 Jeff Law <law@redhat.com>
9227 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
9228 virtual operands are interesting.
9229 (vrp_visit_stmt): Corresponding changes.
9231 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
9233 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
9235 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
9236 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
9237 * config/bfin/crti.S: Use it instead of __PIC__.
9238 * config/bfin/crtn.S: Likewise.
9240 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
9241 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
9243 Lose 'G' modifier for call operand.
9244 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
9245 recognize 'G' modifier.
9247 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
9250 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
9251 * stmt.c (expand_case): Likewise.
9253 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9255 PR rtl-optimization/26254
9256 * loop-invariant.c (seq_insns_valid_p): New function.
9257 (move_invariant_reg): Only emit new code if it is valid.
9259 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9261 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
9263 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
9264 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
9265 (commit_one_edge_insertion): Do not look for loop notes.
9267 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9269 * jump.c (follow_jumps): Do not check for loop notes. Move check for
9270 flag_test_coverage out of loop.
9272 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9274 * final.c (shorten_branches): Remove outdated comment, and turn
9275 the if branch that guards it to continue.
9277 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9279 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
9280 * cfgloop.h (struct loop): Remove unused fields.
9282 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
9284 * doc/invoke.texi (-fdump-rtl-loop): Remove.
9285 (-dL, -fdump-rtl-loop2): Update the dump file names
9287 * doc/invoke.texi: Update dump file names.
9289 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
9291 * predict.c (estimate_probability): Remove.
9292 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
9293 * basic-block.h (estimate_probability): Remove prototype.
9294 * passes.c (finish_optimization_passes): Dump branch prediction or
9295 profiling heuristics to the .profile tree dump.
9296 (init_optimization_passes): Unqueue pass_branch_prob.
9298 * doc/invoke.texi (-fdump-rtl-bp): Remove.
9300 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9302 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
9303 * rtl.h (LABEL_NEXTREF): Remove field accessor.
9305 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
9307 * function.h (frame_offset_overflow): Declare.
9308 * function.c (frame_offset_overflow): New function.
9309 (assign_stack_local_1): Call it to detect that the offset overflows.
9310 * cfgexpand.c (alloc_stack_frame_space): Likewise.
9312 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9314 * config/sh/sh.c: Include alloc-pool.h.
9315 (label_ref_list_pool): New alloc pool.
9316 (label_ref_list_t): New type for lists of labels.
9317 (struct pool_node): Make wend a label_ref_list_t.
9318 (add_constant): Use the new type, eradicate LABEL_NEXTREF
9320 (dump_table): Likewise.
9321 (sh_reorg): Set up the alloc pool before using add_constant and
9322 dump_table, and destroy it when finishing.
9324 2006-03-11 Richard Sandiford <richard@codesourcery.com>
9326 * config/mips/mips.c: Remove redundant comment.
9328 2006-03-10 Jason Merrill <jason@redhat.com>
9331 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
9332 the target was declared 'register'.
9334 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
9336 * genpreds.c (write_insn_constraint_len): Change definition of
9337 insn_constraint_len to return size_t to match the declaration.
9339 2006-03-10 DJ Delorie <dj@redhat.com>
9341 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
9343 (m32c_expand_insv): Fix test for an AND mask.
9345 2006-03-10 Richard Guenther <rguenther@suse.de>
9348 * builtins.c (get_pointer_alignment): Handle component
9349 references for field alignment.
9351 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9353 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
9354 when building with libgloss.
9355 (sh*elf): Implement --without-fp option.
9356 (sh64-superh-linux*): Don't multilib.
9358 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9360 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
9362 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
9364 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
9365 Set it when one of the replacement functions returned true.
9366 Return TODO_cleanup_cfg if cfgchanged is true.
9367 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
9369 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
9371 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
9372 instead of gen_lowpart.
9374 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9376 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
9378 (mips_output_order_conditional_branch): Declare.
9379 * config/mips/mips.h (MIPS_BRANCH): New macro.
9380 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
9381 for the comparison. Use gen_condjump.
9382 (mips_output_conditional_branch): Rework interface to take the
9383 asm templates for a direct branch and the inverse of a direct branch.
9384 (mips_output_order_conditional_branch): New function.
9385 (mips_builtin_branch_and_move): New function.
9386 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
9387 branch condition. Use gen_single_cc as the condition for
9388 __builtin_mips_upper_* or __builtin_mips_lower_*.
9389 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
9390 Use VOIDmode for the branch condition.
9391 * config/mips/predicates.md (order_operator): New predicate.
9392 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
9393 (branch_fp): Rename to...
9394 (*branch_fp): ...this. Remove mode from comparison operator.
9395 Use new mips_output_conditional_branch interface.
9396 (branch_fp_inverted): Rename to...
9397 (*branch_fp_inverted): ...this and update as for *branch_fp.
9398 (*branch_zero<mode>): Rename to...
9399 (*branch_order<mode>): ...this. Remove mode from comparison operator.
9400 Use mips_output_order_conditional_branch. Only accept ordered
9402 (*branch_zero<mode>_inverted): Rename to...
9403 (*branch_order<mode>_inverted): ...this and update as for
9404 *branch_order<mode>.
9405 (*branch_equality<mode>): Accept zero as the second operand to
9406 the equality operator. Use the new mips_output_conditional_branch
9408 (*branch_equality<mode>_inverted): Likewise.
9409 (condjump): New expander.
9410 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
9412 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
9413 (bc1any2t, bc1any2f): Likewise.
9414 (single_cc): New expander.
9415 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
9417 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9419 * doc/md.texi: Update documentation of MIPS constraints.
9420 * config/mips/constraints.md: New file.
9421 * config/mips/mips.md: Include it.
9422 * config/mips/mips.c (mips_char_to_class): Delete.
9423 (override_options): Don't initialize mips_char_to_class.
9424 * config/mips/mips.h (mips_char_to_class): Delete.
9425 (REG_CLASS_FROM_LETTER): Delete.
9426 (CONST_OK_FOR_LETTER_P): Delete.
9427 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9428 (EXTRA_CONSTRAINT_Y): Delete.
9429 (EXTRA_CONSTRAINT_STR): Delete.
9430 (CONSTRAINT_LEN): Delete.
9431 (EXTRA_MEMORY_CONSTRAINT): Delete.
9433 2006-03-09 Diego Novillo <dnovillo@redhat.com>
9435 * tree-cfg.c (move_block_to_fn): Remove the statements from the
9436 original fn's eh regions.
9438 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
9440 * fold-const.c (build_range_check): Make sure to use a valid type to
9441 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
9444 (range_predecessor): New static function.
9445 (range_successor): Likewise.
9446 (merge_ranges): Use them to compute predecessors and successors of
9449 2006-03-09 Roger Sayle <roger@eyesopen.com>
9452 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
9453 X op C3, consider whether C3 overflows towards +Inf or -Inf.
9455 2006-03-08 DJ Delorie <dj@redhat.com>
9457 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
9458 (addpsi3): Expand to include memory operands. Remove
9459 reload-specific splits.
9460 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
9461 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
9462 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
9463 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
9464 (shift1_qi, shift1_hi, insv): New.
9465 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
9466 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
9467 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
9469 * config/m32c/m32c-protos.h: Update as needed.
9470 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
9471 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
9472 Fail for unrecognized R* constraints.
9473 (m32c_cannot_change_mode_class): Be more picky about pseudos.
9474 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
9475 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
9477 (m32c_init_libfuncs): New.
9478 (m32c_legitimate_address_p): Add debug wrapper.
9479 (m32c_rtx_costs): New.
9480 (m32c_address_cost): New.
9481 (conversions): Add 'B' prefix.
9482 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
9483 operands, or word regnames for QI operands. 'B' prints bit
9485 (m32c_expand_setmemhi): New.
9486 (m32c_expand_movmemhi): New.
9487 (m32c_expand_movstr): New.
9488 (m32c_expand_cmpstr): New.
9489 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
9490 (m32c_expand_neg_mulpsi3): Handle non-ints.
9491 (m32c_cmp_flg_0): New.
9492 (m32c_expand_movcc): New.
9493 (m32c_expand_insv): New.
9494 (m32c_scc_pattern): New.
9495 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
9496 a0/a1 out of SIregs.
9497 (STORE_FLAG_VALUE): New.
9498 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
9501 * config/m32c/mov.md: Make constraints more liberal.
9502 (zero_extendqihi2): Optimize r0/r1 case.
9503 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
9504 * config/m32c/predicates.md (m32c_any_operand): New.
9505 (m32c_nonimmediate_operand): New.
9506 (m32c_hl_operand): New.
9507 (m32c_r3_operand): New.
9510 (memsym_operand): New.
9511 (memimmed_operand): New.
9512 (a_qi_operand): New.
9513 (m32c_eqne_operator): New.
9514 (m32c_1bit8_operand): New.
9515 (m32c_1bit16_operand): New.
9516 (m32c_1mask8_operand): New.
9517 (m32c_1mask16_operand): New.
9518 * config/m32c/blkmov.md: New file.
9519 * config/m32c/t-m32c (MD_FILES): Add blkmov.
9521 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
9523 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
9524 unsigned to fix signed/unsigned comparison issue in
9525 DWARF2_FRAME_REG_OUT.
9526 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
9527 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
9529 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
9530 of ptr into the ENABLE_CHECKING section.
9532 2006-03-08 Jeff Law <law@redhat.com>
9534 * tree-vrp.c (infer_value_range): Only count pointer uses
9535 and dereferences if -fdelete-null-pointer-checks is enabled.
9537 * tree-vrp.c (find_assert_locations): Infer value ranges for
9538 single use pointers, but do not create ASSERT_EXPRs for them.
9539 When a non-null range is inferred for a pointer, backwards
9540 propagate that range to other equivalent pointers through the
9543 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
9546 * Makefile.in (dvi, html, install-info): Invoke the corresponding
9547 language hook targets.
9548 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
9549 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
9550 if language hook targets were missing.
9552 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
9554 * tree-ssa-opfinalize.h: Removed.
9555 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
9557 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
9558 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
9559 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
9560 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
9561 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
9562 finalize_ssa_v_must_def_ops): New.
9564 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
9566 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
9569 2006-03-07 Geoffrey Keating <geoffk@apple.com>
9571 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
9573 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
9574 addresses with offsets; reorganize.
9576 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
9577 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
9578 (expand_builtin_init_dwarf_reg_sizes): Likewise.
9580 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
9583 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
9585 2006-03-08 Ben Elliston <bje@au.ibm.com>
9587 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
9589 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
9592 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
9595 2006-03-07 Richard Guenther <rguenther@suse.de>
9597 PR tree-optimization/26587
9598 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
9600 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9602 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
9604 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9606 * hooks.c (hook_bool_mode_rtx_true): New function.
9607 * hooks.h (hook_bool_mode_rtx_true): Declare.
9608 * toplev.c (compile_file): Call output_shared_constant_pool.
9609 * varasm.c (shared_constant_pool): New variable.
9610 (assemble_start_function, assemble_end_function): Remove arguments
9611 from call to output_constant_pool.
9612 (create_constant_pool): New function, split out from...
9613 (init_varasm_status): ...here.
9614 (force_const_mem): Choose between the shared and per-function constant
9615 pools. Set current_function_uses_const_pool when reusing old entries
9616 as well as when creating new ones.
9617 (mark_constant): Ignore data argument.
9618 (mark_constants): Remove pool argument.
9619 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
9620 to decide whether the function uses a constant pool.
9621 (output_constant_pool_contents): New function, split out from...
9622 (output_constant_pool): ...here.
9623 (output_shared_constant_pool): New function.
9624 (init_varasm_once): Initialize shared_constant_pool.
9625 * output.h (output_constant_pool): Delete.
9626 (output_shared_constant_pool): Declare.
9627 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
9628 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
9630 2006-03-06 Nick Clifton <nickc@redhat.com>
9632 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
9633 flag_strength_reduce.
9635 2006-03-06 Ben Elliston <bje@au.ibm.com>
9637 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
9638 x86_64-*-linux* configurations.
9640 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
9641 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
9643 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9645 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
9647 * basic-block.h: Remove the extern for
9648 rediscover_loops_after_threading.
9650 * cfgloop.c (cancel_loop): Make it static.
9651 * cfgloop.h: Remove the prototype for cancel_loop.
9653 * flow.c (recompute_reg_usage): Make it static.
9654 * rtl.h: Remove the prototype for recompute_reg_usage.
9656 * function.c (use_return_register): Make it static.
9657 * function.h: Remove the prototype.
9659 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9661 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
9663 * recog.h: Remove the prototype for
9664 validate_change_maybe_volatile.
9666 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9668 * rtlanal.c (replace_reg): Remove.
9669 * rtl.h: Remove the prototype for replace_reg.
9671 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9673 * regclass.c (reg_scan_update): Remove.
9674 (reg_scan_mark_refs): Remove the last argument.
9675 * rtl.h: Remove the prototype for reg_scan_update.
9677 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9679 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
9680 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
9681 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
9682 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
9683 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
9684 loop-invariant.c, omp-low.c, opts.c, passes.c,
9685 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
9686 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
9687 tree-ssa-structalias.c, tree-ssa-threadedge.c,
9688 tree-ssa-threadupdate.c, tree-vect-patterns.c,
9689 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
9690 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
9692 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9694 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
9695 * dwarf2out.h: Remove the prototype for
9696 dwarf2out_add_library_unit_info.
9698 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9700 * tree.c (add_var_to_bind_expr): Remove.
9701 * tree.h: Remove the prototype for add_var_to_bind_expr.
9703 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9705 * regclass.c (n_non_fixed_regs): Remove.
9706 (init_reg_sets_1, globalize_reg): Remove all uses of
9708 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
9710 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9712 * rtlanal.c (insns_safe_to_move_p): Remove.
9713 * rtl.h: Remove the prototype for insns_safe_to_move_p.
9715 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9717 * expmed.c (expand_mult_add): Remove.
9718 * expr.h: Remove the prototype for expand_mult_add.
9720 2006-03-04 Jakub Jelinek <jakub@redhat.com>
9722 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
9723 and REG_SAVED_VAL_EXP constants.
9724 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
9725 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
9726 Handle regs stored by value.
9727 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
9728 (execute_cfa_program): Handle DW_CFA_val_offset,
9729 DW_CFA_val_offset_sf and DW_CFA_val_expression.
9730 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
9731 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
9732 (uw_install_context_1): Handle target regs stored by value.
9734 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
9736 * tree-sra.c (tree_sra): Return todoflags;
9737 (generate_one_element): Set TODO_update_smt_usage if needed.
9738 (pass_sra): Remove TODO_update_smt_usage.
9739 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
9741 (tree_ssa_forward_propagate_single_use_vars): Return
9742 TODO_update_smt_usage if we need to update SMT usage.
9743 (pass_forwprop): Remove TODO_update_smt_usage.
9745 2006-03-03 Diego Novillo <dnovillo@redhat.com>
9747 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
9748 (correct_use_link): Remove reference to get_stmt_operands.
9749 (update_stmt_operands): Likewise.
9750 (get_modify_expr_operands): New function factored out of
9751 parse_ssa_operands and get_expr_operands.
9752 Try to create V_MUST_DEFs for LHS by default.
9753 (get_expr_operands) <case MODIFY_EXPR>: Call
9754 get_modify_expr_operands.
9755 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
9756 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
9757 (parse_ssa_operands) <case MODIFY_EXPR>: Call
9758 get_modify_expr_operands.
9760 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
9762 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
9763 * tree-flow.h: Remove the prototype for
9764 referenced_var_lookup_if_exists.
9766 2006-03-03 Steve Ellcey <sje@cup.hp.com>
9768 PR rtl-optimization/26345
9770 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
9772 2006-03-03 Roger Sayle <roger@eyesopen.com>
9774 PR tree-optimization/26524
9775 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
9776 fold_convert to create a constant of the appropriate type.
9778 2006-03-03 Richard Sandiford <richard@codesourcery.com>
9780 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9781 SYMBOL_REF_IN_BLOCK_P.
9782 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
9783 of SYMBOL_FLAG_IN_BLOCK.
9784 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
9785 instead of SYMBOL_REF_IN_BLOCK_P.
9786 * explow.c (use_anchored_address): Likewise.
9787 * rtl.c (rtx_size): Likewise.
9788 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
9789 instead of SYMBOL_FLAG_IN_BLOCK.
9790 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9791 SYMBOL_REF_IN_BLOCK_P.
9792 (assemble_variable): Likewise.
9793 (output_constant_def_contents): Likewise.
9794 (output_constant_pool): Likewise.
9795 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
9796 instead of SYMBOL_FLAG_IN_BLOCK.
9797 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9798 SYMBOL_REF_IN_BLOCK_P.
9799 (SYMBOL_REF_BLOCK): Likewise.
9800 (SYMBOL_REF_OFFSET): Likewise.
9801 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9802 SYMBOL_REF_IN_BLOCK_P.
9803 (SYMBOL_FLAG_IN_BLOCK): Replace with...
9804 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
9805 (SYMBOL_REF_IN_BLOCK_P): Replace with...
9806 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
9808 2006-03-03 Jakub Jelinek <jakub@redhat.com>
9810 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
9812 2006-03-02 Roger Sayle <roger@eyesopen.com>
9814 * simplify-rtx.c (simplify_unary_operation): When simplifying
9815 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
9816 that we perform the right shift in the appropriate mode, and
9817 then extend or truncate the result to requested mode.
9819 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
9821 * gengtype.c (main): Handle double_int type.
9822 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
9823 * double-int.c: New file.
9824 * double-int.h: New file.
9825 * system.h: Include doubleint.h.
9826 * Makefile.in (SYSTEM_H): Include double-int.h.
9827 (double-int.o): Add.
9829 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
9832 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
9835 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9837 * tree-vrp.c (remove_range_assertions): Do not update statements
9840 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9842 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
9844 * gcse.c (rest_of_handle_gcse): Ditto.
9845 * except.c (gate_handle_eh): Ditto.
9846 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
9847 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
9849 2006-03-02 Eric Christopher <echristo@apple.com>
9851 * config/i386/i386.c (machopic_output_stub): Add indirection to
9854 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9858 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
9860 Sun Niagara specific optimizations.
9861 * config.gcc: Recognize niagara as target.
9862 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
9863 (TARGET_CPU_niagara): Define.
9864 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
9865 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
9866 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9867 (ASM_CPU_SPEC): Likewise.
9868 (PROCESSOR_NIAGARA): New enum entry.
9869 (REGISTER_MOVE_COST): Handle Niagara.
9870 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
9871 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
9872 (sparc_override_options): Recognize "niagara", set appropriate
9873 default MASK_* values for it, and align functions to 32-bytes
9874 by default just like ULTRASPARC/ULTRASPARC3.
9875 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
9876 (sparc64_initialize_trampoline): Likewise.
9877 (sparc_use_sched_lookahead): Use zero for niagara.
9878 (sparc_issue_rate): Use one for niagara.
9879 * config/sparc/niagara.md: New file.
9880 * config/sparc/sparc.md: Include it.
9881 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
9882 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
9883 when default cpu is niagara.
9884 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9885 (ASM_CPU_SPEC): Likewise.
9886 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
9887 when default cpu is niagara.
9888 (ASM_CPU_SPEC): Handle -mcpu=niagara.
9889 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
9890 just like v9/ultrasparc/ultrasparc3.
9891 * doc/invoke.texi: Add documentation for "niagara" and improve
9892 existing documentation for ultrasparc variants.
9894 2006-03-02 Diego Novillo <dnovillo@redhat.com>
9896 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
9898 2006-03-02 Richard Sandiford <richard@codesourcery.com>
9900 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
9901 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
9902 and say that only one is needed.
9903 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
9904 * target.h (have_switchable_bss_sections): New hook.
9905 * explow.c (use_anchored_address): Check that the symbol is in a block.
9906 * varasm.c (tls_comm_section, comm_section, lcomm_section)
9907 (bss_noswitch_section): New variables.
9908 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
9909 (get_noswitch_section): New function.
9910 (get_block_for_section): Allow SECT to be null.
9911 (unlikely_text_section_p): Use SECTION_STYLE.
9912 (bss_initializer_p): New function.
9913 (get_variable_section): Move earlier in file. Take a new argument,
9914 prefer_noswitch_p. Move bss checks from assemble_variable to here.
9915 Return one of the new *_sections in such cases.
9916 (get_block_for_decl): New function, extracting some logic from
9917 use_blocks_for_decl_p.
9918 (change_symbol_section): Remove in favor of...
9919 (change_symbol_block): ...this new function.
9920 (use_blocks_for_decl_p): Remove checks now performed by
9922 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
9923 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
9924 (emit_local, emit_bss, emit_common): ...these new functions.
9925 Return true if the alignment was honored.
9926 (emit_tls_common): New function.
9927 (asm_emit_uninitialised): Delete.
9928 (assemble_variable_noswitch): New function, split out from...
9929 (assemble_variable): ...here. Don't make decisions about common
9930 variables here. Globalize all public decls that go into non-common
9931 sections. Check whether SYMBOL_REF_BLOCK is null.
9932 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
9933 (output_constant_pool): Likewise.
9934 (init_varasm_once): Initialize the new section variables.
9935 (have_global_bss_p): New function.
9936 (categorize_decl_for_section): Use bss_initializer_p.
9937 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
9938 (place_block_symbol): Assert that the symbol must be in a block.
9939 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
9940 (TARGET_INITIALIZER): Include it.
9941 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
9942 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
9943 (SECTION_MACH_DEP): Bump by two.
9944 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
9945 (unnamed_section): Mention SECTION_UNNAMED in comment.
9946 (named_section): Likewise SECTION_NAMED.
9947 (noswitch_section_callback): New type.
9948 (noswitch_section): New structure.
9949 (section): Add a noswitch_section alternative.
9950 (SECTION_STYLE): New macro.
9951 (tls_comm_section, comm_section, lcomm_section): Declare.
9952 (bss_noswitch_section, have_global_bss_p): Declare.
9953 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9954 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9956 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9957 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9960 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
9962 * tree-vrp.c (execute_vrp): Return value.
9963 * regrename.c (rest_of_handle_regrename): Ditto.
9964 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
9965 * tree-complex.c (tree_lower_complex): Ditto.
9966 (tree_lower_complex_O0): Ditto.
9967 * tracer.c (rest_of_handle_tracer): Ditto.
9968 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
9969 * postreload.c (rest_of_handle_postreload): Ditto.
9970 * tree-tailcall.c (execute_tail_recursion): Ditto.
9971 (execute_tail_calls): Ditto.
9972 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9973 * tree.h (init_function_for_compilation): Ditto.
9974 * ipa-cp.c (ipcp_driver): Ditto.
9975 * tree-scalar-evolution.c (scev_const_prop): Ditto.
9976 * tree-scalar-evolution.h (scev_const_prop): Ditto.
9977 * final.c (compute_alignments): Ditto.
9978 (rest_of_handle_final): Ditto.
9979 (rest_of_handle_shorten_branches): Ditto.
9980 (rest_of_clean_state): Ditto.
9981 * omp-low.c (execute_expand_omp): Ditto.
9982 (execute_lower_omp): Ditto.
9983 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
9984 * ipa-reference.c (static_execute): Ditto.
9985 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
9986 * reorg.c (rest_of_handle_delay_slots): Ditto.
9987 (rest_of_handle_machine_reorg): Ditto.
9988 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
9989 * flow.c (recompute_reg_usage): Ditto.
9990 (rest_of_handle_remove_death_notes): Ditto.
9991 (rest_of_handle_life): Ditto.
9992 (rest_of_handle_flow2): Ditto.
9993 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
9994 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
9995 (do_ssa_store_ccp): Ditto.
9996 (execute_fold_all_builtins): Ditto.
9997 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
9998 * modulo-sched.c (rest_of_handle_sms): Ditto.
9999 * ipa-pure-const.c (static_execute): Ditto.
10000 * cse.c (rest_of_handle_cse): Ditto.
10001 (rest_of_handle_cse2): Ditto.
10002 * web.c (rest_of_handle_web): Ditto.
10003 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10004 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
10005 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
10006 * tree-nrv.c (tree_nrv): Ditto.
10007 (execute_return_slot_opt): Ditto.
10008 * tree-ssa-alias.c (compute_may_aliases): Ditto.
10009 (create_structure_vars): Ditto.
10010 * loop-init.c (rtl_loop_init): Ditto.
10011 (rtl_loop_done): Ditto.
10012 (rtl_move_loop_invariants): Ditto.
10013 (rtl_unswitch): Ditto.
10014 (rtl_unroll_and_peel_loops): Ditto.
10015 (rtl_doloop): Ditto.
10016 * gimple-low.c (lower_function_body): Ditto.
10017 (mark_used_blocks): Ditto.
10018 * tree-ssa-sink.c (execute_sink_code): Ditto.
10019 * ipa-inline.c (cgraph_decide_inlining): Ditto.
10020 (cgraph_early_inlining): Ditto.
10021 * global.c (rest_of_handle_global_alloc): Ditto.
10022 * jump.c (cleanup_barriers): Ditto.
10023 (purge_line_number_notes): Ditto.
10024 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
10025 (rest_of_handle_if_after_reload): Ditto.
10026 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
10027 (tree_ssa_loop_im): Ditto.
10028 (tree_ssa_loop_unswitch): Ditto.
10029 (tree_vectorize): Ditto.
10030 (tree_linear_transform): Ditto.
10031 (tree_ssa_loop_ivcanon): Ditto.
10032 (tree_ssa_empty_loop): Ditto.
10033 (tree_ssa_loop_bounds): Ditto.
10034 (tree_complete_unroll): Ditto.
10035 (tree_ssa_loop_prefetch): Ditto.
10036 (tree_ssa_loop_ivopts): Ditto.
10037 (tree_ssa_loop_done): Ditto.
10038 * predict.c (tree_estimate_probability): Ditto.
10039 * recog.c (split_all_insns_noflow): Ditto.
10040 (rest_of_handle_peephole2): Ditto.
10041 (rest_of_handle_split_all_insns): Ditto.
10042 * tree-eh.c (lower_eh_constructs): Ditto.
10043 * regmove.c (rest_of_handle_regmove): Ditto.
10044 (rest_of_handle_stack_adjustments): Ditto.
10045 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
10046 * function.c (instantiate_virtual_regs): Ditto.
10047 (init_function_for_compilation): Ditto.
10048 (rest_of_handle_check_leaf_regs): Ditto.
10049 * gcse.c (rest_of_handle_jump_bypass): Ditto.
10050 (rest_of_handle_gcse): Ditto.
10051 * ipa-type-escape.c (type_escape_execute): Ditto.
10052 * alias.c (rest_of_handle_cfg): Ditto.
10053 * tree-if-conv.c (main_tree_if_conversion): Ditto.
10054 * profile.c (rest_of_handle_branch_prob): Ditto.
10055 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
10056 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
10057 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
10058 * tree-dfa.c (find_referenced_vars): Ditto.
10059 * except.c (set_nothrow_function_flags): Ditto.
10060 (convert_to_eh_region_ranges): Ditto.
10061 (rest_of_handle_eh): Ditto.
10062 * emit-rtl.c (unshare_all_rtl): Ditto.
10063 (remove_unnecessary_notes): Ditto.
10064 * except.h (set_nothrow_function_flags): Ditto.
10065 (convert_to_eh_region_ranges): Ditto.
10066 * cfgexpand.c (tree_expand_cfg): Ditto.
10067 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
10068 * tree-ssa-pre.c (do_pre): Ditto.
10069 (execute_fre): Ditto.
10070 * cfgcleanup.c (rest_of_handle_jump): Ditto.
10071 (rest_of_handle_jump2): Ditto.
10072 * tree-sra.c (tree_sra): Ditto.
10073 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
10074 (execute_mudflap_function_decls): Ditto.
10075 * tree-ssa-copy.c (do_copy_prop): Ditto.
10076 (do_store_copy_prop): Ditto.
10077 * ipa-prop.h (ipcp_driver): Ditto.
10078 * cfglayout.c (insn_locators_initialize): Ditto.
10079 * tree-ssa-forwprop.c
10080 (tree_ssa_forward_propagate_single_use_vars): Ditto.
10081 * cfglayout.h (insn_locators_initialize): Ditto.
10082 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
10083 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
10084 (execute_late_warn_uninitialized): Ditto.
10085 * rtl.h (cleanup_barriers): Ditto.
10086 (split_all_insns_noflow): Ditto.
10087 (purge_line_number_notes): Ditto.
10088 (unshare_all_rtl): Ditto.
10089 (remove_unnecessary_notes): Ditto.
10090 (recompute_reg_usage): Ditto.
10091 (variable_tracking_main): Ditto.
10092 * integrate.c (emit_initial_value_sets): Ditto.
10093 * integrate.h (emit_initial_value_sets): Ditto.
10094 * tree-optimize.c (execute_free_datastructures): Ditto
10095 (execute_free_cfg_annotations): Ditto.
10096 (execute_fixup_cfg): Ditto.
10097 (execute_cleanup_cfg_pre_ipa): Ditto.
10098 (execute_cleanup_cfg_post_optimizing): Ditto.
10099 (execute_init_datastructures): Ditto.
10100 * tree-object-size.c (compute_object_sizes): Ditto.
10101 * combine.c (rest_of_handle_combine): Ditto.
10102 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
10103 * bb-reorder.c (duplicate_computed_gotos): Ditto.
10104 (rest_of_handle_reorder_blocks): Ditto.
10105 (rest_of_handle_partition_blocks): Ditto.
10106 * var-tracking.c (variable_tracking_main): Ditto.
10107 * tree-profile.c (tree_profiling): Ditto.
10108 * tree-vect-generic.c (expand_vector_operations): Ditto.
10109 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
10110 * sched-rgn.c (rest_of_handle_sched): Ditto.
10111 (rest_of_handle_sched2): Ditto.
10112 * basic-block.h (free_bb_insn): Ditto.
10113 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
10114 * tree-cfg.c (execute_build_cfg): Ditto.
10115 (remove_useless_stmts): Ditto.
10116 (split_critical_edges): Ditto.
10117 (execute_warn_function_return): Ditto.
10118 (execute_warn_function_noreturn): Ditto.
10119 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
10120 * cfgrtl.c (free_bb_for_insn): Ditto.
10121 * passes.c (execute_one_pass): Run additional
10122 todos returned by execute function.
10123 * tree-pass.h (struct tree_opt_pass): Make execute
10126 2006-03-02 Richard Guenther <rguenther@suse.de>
10128 * tree-ssa-alias.c (find_used_portions): Consider taking
10129 the address as making the variable not write-only.
10131 2006-03-02 Nick Clifton <nickc@redhat.com>
10133 * config.gcc (default_use_cxa_atexit): Extend the description of
10134 this configure variable. Set its default value to "yes" for
10135 Linux, NetBSD and ELF targets on the assumption that they will
10136 use C libraries with the __cxa_atexit function.
10138 2006-03-02 Ben Elliston <bje@au.ibm.com>
10140 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
10141 parameter as unused to suppress a build warning.
10143 2006-03-02 Ben Elliston <bje@au.ibm.com>
10145 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
10148 2006-03-01 Roger Sayle <roger@eyesopen.com>
10151 * gthr-posix.h (__gthrw2): Define to take three parameters, the
10152 declared name, the weak reference name, and the typeof name.
10153 (__gthrw): Avoid expanding the declared name suffix.
10154 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
10156 2006-03-01 Jakub Jelinek <jakub@redhat.com>
10158 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
10160 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
10161 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
10162 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
10163 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
10164 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
10165 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
10166 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
10167 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
10168 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
10169 DW_DS_leading_separate, DW_DS_trailing_separate): New.
10170 (DW_END_default, DW_END_big, DW_END_little): New.
10171 (DW_END_lo_user, DW_END_hi_user): Define.
10172 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
10173 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
10174 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
10177 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10179 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
10181 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
10183 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
10185 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
10187 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
10188 to 'symbol_mem_tag'.
10190 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
10193 2006-03-01 Roger Sayle <roger@eyesopen.com>
10195 * builtins.c (fold_builtin_copysign): Delete unreachable code.
10197 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10200 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
10201 MACHO_DYNAMIC_NO_PIC_P.
10202 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
10204 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10207 * config/darwin-protos.h (darwin_asm_output_anchor):
10209 * config/darwin-sections.def (cstring_section):
10210 Add SECTION_MERGE to the flags.
10211 (literal4_section): Likewise.
10212 (literal8_section): Likewise.
10213 (objc_selector_refs_section): Likewise.
10214 (objc_cls_refs_section): Likewise.
10215 * config/darwin.c (darwin_asm_output_anchor): New
10217 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10219 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
10221 Fix PR tree-optimization/26443
10222 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
10223 to todo and PROP_tmt_usage to properties_destroyed.
10224 * tree-ssa-ccp.c (pass_ccp): Ditto.
10225 (pass_store_ccp): Ditto.
10226 * tree-ssa-dom.c (pass_dominator): Ditto.
10228 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10230 * tree-ssa-operands.c: Cleanup whitespace.
10231 (get_asm_expr_operands): Move before first invocation.
10232 (get_indirect_ref_operands): Likewise.
10233 (get_tmr_operands): Likewise.
10234 (get_call_expr_operands): Likewise.
10235 (append_def): Likewise.
10236 (append_use): Likewise.
10237 (append_v_may_def): Likewise.
10238 (append_v_must_def): Likewise.
10239 (add_call_clobber_ops): Likewise.
10240 (add_call_read_ops): Likewise.
10241 (add_stmt_operand): Likewise.
10242 (add_virtual_operand): Likewise.
10243 (build_ssa_operands): Likewise.
10245 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10247 PR middle-end/26022
10249 PR middle-end/24437
10250 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10251 with a call expr to ...
10252 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10254 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10256 * tree-vrp.c (extract_range_from_assert): Remove special
10257 handling for types with super-types.
10259 2006-03-01 Ben Elliston <bje@au.ibm.com>
10261 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
10262 and powerpc64-*-linux* configurations.
10263 * config/t-dfprules: New file.
10265 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
10266 Compile dfp-bit.c from the source directory using -DWIDTH and
10267 $DFP_CFLAGS to control the compilation of that file, rather than
10268 generating width-specific versions in the build directory.
10269 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
10270 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
10272 2006-02-28 Zack Weinberg <zackw@panix.com>
10274 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
10277 2006-02-28 Eric Christopher <echristo@apple.com>
10279 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
10280 Set up IN_LIBGCC definition of TARGET_64BIT.
10281 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
10283 2006-02-28 Roger Sayle <roger@eyesopen.com>
10285 PR middle-end/14752
10286 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
10287 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
10288 cases via the construction of "expr != 0".
10290 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
10292 * alias.c (alias_invariant, alias_invariant_size): Remove.
10293 (record_base_value): Remove.
10294 (memrefs_conflict_p): Don't look at alias_invariant.
10295 (end_alias_analysis): Don't free it.
10296 * alias.h (record_base_value): Remove prototype.
10298 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
10299 Adam Nemet <anemet@caviumnetworks.com>
10301 * rtl.h (truncated_to_mode): Declare it.
10302 (struct rtl_hooks): Add reg_truncated_to_mode hook.
10303 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
10304 (RTL_HOOKS_INITIALIZER): Include it.
10305 * rtlhooks.c (reg_truncated_to_mode_general): New function.
10306 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
10307 reg_truncated_to_mode.
10308 * rtlanal.c (truncated_to_mode): Define it.
10309 * simplify-rtx.c (simplify_unary_operation_1): Use it.
10311 2006-02-28 Jeff Law <law@redhat.com>
10313 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
10314 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
10315 the range allowed by TYPE_PRECISION.
10317 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
10319 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
10321 PR tree-optimization/26419
10322 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
10325 2006-02-27 Zack Weinberg <zackw@panix.com>
10327 * doc/md.texi: Fix typo in previous change.
10329 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
10333 2006-02-27 Zack Weinberg <zackw@panix.com>
10335 * rtl.def (define_constraint, define_register_constraint)
10336 (define_memory_constraint, define_address_constraint): New MD forms.
10337 * gensupport.c (process_rtx): Put define_constraint etc on the
10339 * genpreds.c (process_define_predicate): Adjust comment. Validate
10340 the name, and call validate_exp to validate the expression.
10341 (mark_mode_tests, write_extract_subexp): Can assume correct input.
10342 (write_predicate_expr): Likewise. NAME argument no longer necessary;
10343 all callers changed.
10344 (validate_exp, needs_variable, struct constraint_data)
10345 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
10346 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
10347 (const_dbl_constraints, constraint_max_namelen)
10348 (have_register_constraints, have_memory_constraints)
10349 (have_address_constraints, have_address_constraints)
10350 (have_extra_constraints, have_const_int_constraints)
10351 (have_const_dbl_constraints, mangle, add_constraint)
10352 (process_define_constraint, process_define_register_constraint)
10353 (write_enum_constraint_num, write_lookup_constraint)
10354 (write_insn_constraint_len, write_regclass_for_constraint)
10355 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
10356 (write_insn_extra_memory_constraint)
10357 (write_insn_extra_address_constraint)
10358 (write_satisfies_constraint_fns): New.
10359 (write_tm_preds_h): If we have new-style constraint definitions,
10360 prototype the functions generated from them, and define the
10361 old constraint interface (still used by generic code) in terms of
10363 (write_insn_preds_c): If we have new-style constraint definitions,
10364 generate all relevant functions from those definitions.
10365 (main): Handle define_constraint etc.
10366 * genoutput.c (struct constraint_data, indep_constraints)
10367 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
10368 (mdep_constraint_len): New data structures and functions, defined
10369 #ifdef USE_MD_CONSTRAINTS.
10370 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
10371 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
10372 use new logic to validate operand constraints against constraint
10374 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
10376 * defaults.h: If none of the old-style constraint macros are
10377 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
10378 old-style macros; and poison REG_CLASS_FROM_LETTER,
10379 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
10381 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
10382 * doc/md.texi: Document new constraint-definition mechanism and the
10383 C interface it provides. Remove references to old mechanism
10384 elsewhere in the document.
10385 (Machine Constraints): Use pathnames relative to gcc directory,
10386 i.e. config/ARCH/FILE. Change i386 section to refer to
10387 config/i386/predicates.md; update that section to match docstrings.
10388 * doc/tm.texi: Move all documentation of the old constraint-
10389 definition macros to their own section, clearly mark as obsolete.
10391 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
10392 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
10394 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
10395 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
10396 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
10397 constraint strings.
10398 (splits and peepholes): Use satisfies_constraint_*.
10399 * config/i386/i386.c (memory_address_length)
10400 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
10402 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10404 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
10405 scalar operation to be put back into the loop.
10407 2006-02-27 Jakub Jelinek <jakub@redhat.com>
10410 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
10411 (extract_cie_info): Handle S flag in augmentation string.
10412 (execute_cfa_program): If context->signal_frame, execute also
10413 fs->pc == context->ra instructions.
10414 (uw_frame_state_for): If context->signal_frame, don't subtract one
10415 from context->ra to find FDE.
10416 (uw_update_context_1): Set context->signal_frame to
10418 (_Unwind_GetIPInfo): New function.
10419 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
10420 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
10422 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
10423 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
10424 * unwind-compat.c (_Unwind_GetIPInfo): New function.
10425 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
10426 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
10427 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
10428 * config/i386/linux-unwind.h (x86_fallback_frame_state,
10429 x86_64_fallback_frame_state): Set fs->signal_frame.
10430 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
10431 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
10432 (frob_update_context): Likewise. Workaround missing S flag in
10433 Linux 2.6.12 - 2.6.16 kernel vDSOs.
10434 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
10435 Remove the psw_addr + 1 hack.
10437 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10439 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
10440 with aggregates here.
10441 (find_func_aliases): Remove code for &<aggregate> from here.
10443 2006-02-26 Roger Sayle <roger@eyesopen.com>
10445 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
10446 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
10447 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
10448 as (X & C) ne/eq 0.
10450 2006-02-26 Roger Sayle <roger@eyesopen.com>
10452 PR middle-end/19983
10453 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
10455 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
10457 * opts.c (decode_options): Do not handle flag_strength_reduce.
10458 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
10459 and OPT_fstrength_reduce.
10460 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
10461 flag_prefetch_loop_arrays for being nonzero.
10462 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
10464 (fprefetch-loop-arrays-rtl): Removed.
10465 (flag_prefetch_loop_arrays): Do not specify the value.
10467 * doc/passes.texi: Update documentation of loop optimizer
10469 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
10470 -frerun-loop-opt): Remove.
10472 2006-02-26 Richard Guenther <rguenther@suse.de>
10474 PR tree-optimization/26421
10475 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
10476 in function calls that are ADDR_EXPRs as using the whole structure.
10478 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
10480 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
10481 * tree-pass.h (pass_loop_optimize): Remove.
10482 * passes.c (pass_loop_optimize): Never run it.
10483 * toplev.c (backend_init): Don't call init_loop.
10484 * opts.c (flag_loop_optimize_set): Remove.
10485 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
10486 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
10487 the old RTL loop optimizer when profiling enabled.
10488 * predict.c (tree_estimate_probability): Always strip builtin_expect.
10489 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
10490 pre-headers for the sake of the old RTL loop optimizer.
10491 * Makefile.in: Remove all references to loop.o.
10493 * doc/invoke.texi: Remove all references to -floop-optimize
10494 and -frerun-loop-opt.
10496 2006-02-26 Zack Weinberg <zackw@panix.com>
10498 * doc/md.texi (Machine Constraints): Refer to all files with paths
10499 relative to gcc directory (i.e. config/CPU/file). Add missing
10500 @table @code ... @end table to M32C subsection.
10502 2006-02-26 Roger Sayle <roger@eyesopen.com>
10504 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
10506 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
10508 2006-02-26 Roger Sayle <roger@eyesopen.com>
10509 James A. Morrison <phython@gcc.gnu.org>
10511 PR middle-end/21137
10512 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
10513 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
10514 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
10515 signedness of the shift operation.
10517 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
10519 PR tree-optimization/26359
10520 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
10522 2006-02-25 Roger Sayle <roger@eyesopen.com>
10524 * simplify-rtx.c (simplify_relational_operation_1): Simplify
10525 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
10526 as X == 0, and some symmetry related transformations.
10527 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
10529 2006-02-25 Roger Sayle <roger@eyesopen.com>
10531 PR middle-end/23673
10532 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
10533 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
10534 symmetry related transformations. Fold (X^C1) == C2 as
10537 2006-02-25 Juergen Weigert <jw@suse.de>
10538 Richard Guenther <rguenther@suse.de>
10540 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
10542 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
10544 * combine.c (gen_lowpart_or_truncate): Call
10545 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
10547 2006-02-24 Diego Novillo <dnovillo@redhat.com>
10549 * doc/invoke.texi: Move -fopenmp description to "Options for
10551 Remove reference to -lgomp.
10553 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10555 * doc/install.texi: Require GNU tar version 1.14.
10557 2006-02-24 Geoffrey Keating <geoffk@apple.com>
10559 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
10560 * doc/invoke.texi (C++ Dialect Options): Document
10561 -fno-use-cxa-get-exception-ptr.
10562 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
10563 * configure: Regenerate.
10564 * c.opt (fuse-cxa-get-exception-ptr): New.
10565 * c-opts.c (c_common_handle_option): Handle
10566 OPT_fuse_cxa_get_exception_ptr.
10567 * c-common.c (flag_use_cxa_atexit): Update documentation.
10568 (flag_use_cxa_get_exception_ptr): New.
10569 * c-common.h (flag_use_cxa_get_exception_ptr): New.
10570 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
10572 (C_COMMON_OVERRIDE_OPTIONS): New.
10574 2006-02-24 Roger Sayle <roger@eyesopen.com>
10576 PR middle-end/24952
10577 * combine.c (try_combine): Explicitly check whether GET_CODE is
10578 a SET or a CLOBBER, instead on checking that it isn't a USE.
10580 2006-02-24 Roger Sayle <roger@eyesopen.com>
10582 * fold-const.c (fold_comparison): New subroutine of fold_binary
10583 containing transformations common to both the equality and
10584 ordering relational operators, factored out of fold_binary.
10585 (fold_binary): Separate out the equality operators (EQ_EXPR
10586 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
10587 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
10588 transformations common to both.
10589 (fold_div_compare): Fix latent bugs in the previously unreachable
10590 LT_EXPR and GE_EXPR cases.
10592 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10594 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
10595 decl libname for clog to __clog on AIX.
10597 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
10599 2006-02-24 Alan Modra <amodra@bigpond.net.au>
10602 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
10603 output traceback table for thunks. Localise rs6000_stack_info call.
10605 2006-02-23 Roger Sayle <roger@eyesopen.com>
10606 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10608 * gthr-posix.h (__gthrw): Fix typo in comment.
10610 2006-02-23 Geoffrey Keating <geoffk@apple.com>
10612 * doc/cpp.texi (Character sets): Document that we do support
10613 input files to be in any character set.
10615 2006-02-23 Jeff Law <law@redhat.com>
10617 * tree.h (PHI_ARG_NONZERO): Remove.
10618 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
10619 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
10620 node to the new node.
10622 PR tree-optimization/26425
10623 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
10624 min/max, then assume its varying.
10626 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10628 PR rtl-optimization/26316
10629 * rtlanal.c (enum may_trap_p_flags): New.
10630 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
10631 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
10632 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
10633 (may_trap_after_code_motion_p): New function.
10634 * loop-invariant.c (find_identical_invariants): Fix dump formating.
10635 (find_invariant_insn): Use may_trap_after_code_motion_p.
10636 * rtl.h (may_trap_after_code_motion_p): Declare.
10638 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10640 * emit-rtl.c (immed_double_const): Cleanup.
10642 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
10644 Fix PR tree-optimization/26376
10645 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
10648 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10650 PR middle-end/26412
10651 * gimplify.c (omp_add_variable): Guard variable size decl test with
10652 DECL_SIZE (decl) check.
10654 2006-02-23 Richard Guenther <rguenther@suse.de>
10656 PR middle-end/26439
10657 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
10658 like aggregate types.
10660 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10662 * configure.ac: Add --with{,out}-long-double-128 configure option.
10663 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
10664 * configure: Rebuilt.
10665 * config.in: Rebuilt.
10666 * doc/install.texi (Options specification): Document
10667 --with-long-double-128.
10669 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
10670 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
10671 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
10672 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
10674 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
10676 * config/s390/s390.c (override_options): Handle
10677 TARGET_DEFAULT_LONG_DOUBLE_128.
10679 * config/alpha/alpha.c (override_options): Handle
10680 TARGET_DEFAULT_LONG_DOUBLE_128.
10682 * config/sparc/sparc.c (sparc_override_options): Handle
10683 TARGET_DEFAULT_LONG_DOUBLE_128.
10685 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
10687 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
10688 (real-install-headers-tar, real-install-headers-cpio)
10689 (real-install-headers-cp): New targets.
10691 2006-02-22 Richard Sandiford <richard@codesourcery.com>
10693 * tree.h (variable_section): Delete.
10694 * varasm.c (variable_section): Delete.
10696 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
10698 * install.texi: Add notes on install.texi2html.
10699 (Building in parallel): Do not use footnotes.
10701 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
10704 * doc/install.texi (Configuration): Document --disable-libgomp.
10706 2006-02-21 Geoffrey Keating <geoffk@apple.com>
10708 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
10710 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10712 * config/i386/sse.md (vec_extractv2df_1_sse): New.
10713 (vec_extractv2df_0_sse): New.
10715 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10717 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
10718 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
10719 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
10720 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
10721 to the result of the expression.
10722 (def_cfa_1): Adjust.
10723 (frame_pointer_cfa_offset): Rename to...
10724 (frame_pointer_fb_offset): ... this. Adjust all uses.
10725 (convert_cfa_to_loc_list): Rename to...
10726 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
10727 Pass it on to build_cfa_loc.
10728 (compute_frame_pointer_to_cfa_displacement): Rename to...
10729 (compute_frame_pointer_to_fb_displacement): ... this. New
10730 offset parameter. Use it in computation.
10731 (gen_subprogram_die): Compute cfa_fb_offset with the new
10732 macro, and use it to compute the fb loc list and the
10735 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
10737 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
10738 replaced with register_operand.
10739 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
10740 non-DREG is expensive.
10741 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
10742 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
10745 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
10747 * doc/install.texi2html: Use set -e.
10749 2006-02-21 Richard Sandiford <richard@codesourcery.com>
10751 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10752 (ASM_OUTPUT_SHARED_LOCAL): Delete.
10753 * doc/invoke.texi (-fshared-data): Delete.
10754 * common.opt (fshared-data): Delete.
10755 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
10756 (assemble_static_space): Remove #if 0 code.
10757 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10758 (ASM_OUTPUT_SHARED_LOCAL): Poison.
10759 * config/cris/cris.h: Remove FIXME.
10761 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
10763 * doc/sourcebuild.texi (Front End Directory): No more double-colon
10766 2006-02-21 Jakub Jelinek <jakub@redhat.com>
10768 PR middle-end/26379
10769 * combine.c (simplify_shift_const_1): Disable nested shifts
10770 optimization for vector shifts.
10772 2006-02-20 Roger Sayle <roger@eyesopen.com>
10774 PR tree-optimization/26361
10775 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
10776 of unsigned integer types.
10778 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
10780 * tree-chrec.c (eq_evolutions_p): New.
10781 * tree-chrec.h (eq_evolutions_p): Declared.
10782 * tree-data-ref.c: Fix formatting.
10783 (datadep_stats, dependence_stats): New.
10785 (print_direction_vector): New.
10786 (dump_data_dependence_relation): Use print_direction_vector.
10787 (object_analysis, create_data_ref): Handle COMPONENT_REF.
10788 (compute_subscript_distance): Static.
10789 (initialize_data_dependence_relation): Static. Get the number
10790 of loops surrounding the references from the callers, and initialize
10791 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
10792 base_object_differ_p analyzers.
10793 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
10794 compute_overlap_steps_for_affine_1_2,
10795 analyze_subscript_affine_affine): Count the classified dependences.
10796 Print a message when a test failed.
10797 (can_use_analyze_subscript_affine_affine): New.
10798 (analyze_siv_subscript): Compute the data dependences on symbolic
10799 scevs that verify can_use_analyze_subscript_affine_affine.
10800 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
10801 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
10802 Handle symbolic scevs.
10803 (analyze_overlapping_iterations): Let symbolic affine scevs to be
10805 (subscript_dependence_tester): Moved...
10806 (build_classic_dist_vector, build_classic_dir_vector): Don't use
10807 lambda_vector_clear on newly allocated vectors. Get nb_loops from
10808 DDR_SIZE_VECT instead of getting it in parameter.
10809 (subscript_dependence_tester): ... here. Take as a parameter
10810 loop_nest_depth. Call build_classic_dist_vector and
10811 build_classic_dir_vector.
10812 (compute_affine_dependence): Update subscript_dependence_tester
10813 parameters. Update datadep_stats counters. Call
10814 compute_subscript_distance.
10815 (compute_self_dependence): Save the dist and dir vectors. Call
10816 compute_subscript_distance.
10817 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
10818 (compute_all_dependences): Reorder parameters as they were before
10819 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
10820 compute_subscript_distance. Update the use of
10821 compute_affine_dependence and initialize_data_dependence_relation.
10822 (find_data_references_in_loop): Handle COMPONENT_REF.
10823 (compute_data_dependences_for_loop): Initialize dependence_stats.
10824 Don't call build_classic_dist_vector and build_classic_dir_vector.
10825 Update the parameters of initialize_data_dependence_relation and
10826 compute_all_dependences. Print the statistics from datadep_stats.
10827 (analyze_all_data_dependences): Static. Not used until the pass for
10828 checking the data dependences is contributed.
10829 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
10830 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
10831 (initialize_data_dependence_relation, compute_affine_dependence,
10832 analyze_all_data_dependences, compute_subscript_distance): Removed.
10833 (print_direction_vector): New.
10834 * lambda.h (gcd): ... here.
10835 (lambda_vector_gcd): Moved here from gcd_vector.
10836 * lambda-code.c (gcd, gcd_vector): Removed.
10837 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
10838 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
10840 2006-02-20 Diego Novillo <dnovillo@redhat.com>
10842 * ipa-type-escape.c: Tidy some comments and white space.
10843 * tree-ssa-operands.c: Likewise.
10845 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
10848 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
10849 (dump_decl_name): Do not walk the decl tree chains.
10850 * tree-pass.h (TDF_CHAIN): Remove.
10852 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10854 * Makefile.in (C): Remove
10856 (.PHONY): Remove C and PROTO
10858 2006-02-20 Roger Sayle <roger@eyesopen.com>
10860 PR middle-end/26236
10861 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
10862 deprecated CHAR_TYPE tree code.
10864 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10866 * configure.ac (target_list): Add install-info, dvi, html.
10867 * configure: Regenerate.
10869 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
10870 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
10871 treelang/Make-lang.in: Do not use double-colon rules.
10873 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
10875 * tree.h (struct tree_memory_tag): Add is_used_alone member.
10876 (TMT_USED_ALONE): New macro.
10877 * tree-pass.h (PROP_tmt_usage): New property.
10878 (TODO_update_tmt_usage): New todo.
10879 * tree-ssa-alias.c (updating_used_alone): New variable.
10880 (recalculate_used_alone): New function.
10881 (compute_may_aliases): Set updating_used_alone, call
10882 recalculate_used_alone.
10883 * tree-sra.c (pass_sra): Note that this pass destroys
10884 PROP_tmt_usage, and add TODO_update_tmt_usage.
10885 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
10886 * tree-flow.h (updating_used_alone): Prototype.
10887 (recalculate_used_alone): Ditto.
10888 * passes.c (execute_todo): Add code to set updating_used_alone,
10889 and call recalculate.
10890 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
10891 for clobber if used alone, and add assert to verify used_alone
10894 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
10896 * config/s390/s390.c (legitimize_pic_address): Assertions checking
10897 for non tls symbols added.
10898 (legitimize_address): Do nothing for PLUS expressions if one of the
10899 addends is a tls symbol reference.
10901 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10905 * Makefile.in (LDFLAGS): Define from autoconf substitution.
10907 * Makefile.in (BOOTSTRAPPING): New.
10908 (quickstrap): New definition if BOOTSTRAPPING=yes.
10910 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
10911 * configure.ac: Substitute all_selected_languages with the languages
10912 that were configured. For all the other variables except
10913 lang_specs_files, include all the languages in the tree.
10914 * configure: Regenerate.
10916 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
10917 if there is one. Run the commands to run fixincludes in the same
10920 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
10921 * doc/install.texi: Document exact conventions for searching target tools.
10922 Document --with-build-time-tools. Document toplevel bootstrap. Document
10923 something more about building an Ada cross-compiler. Don't list GNU Make
10924 requirements which affect all platforms.
10926 2006-02-19 Roger Sayle <roger@eyesopen.com>
10928 PR middle-end/19543
10929 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
10930 only equivalent if the have both the same mode and precision.
10932 2006-02-20 Ben Elliston <bje@au.ibm.com>
10934 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
10936 2006-02-19 Roger Sayle <roger@eyesopen.com>
10937 Steven Bosscher <stevenb.gcc@gmail.com>
10939 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
10940 constant pool references to identify stack mode constants.
10941 * rtlanal.c (constant_pool_constant_p): New predicate to check
10942 whether operand is a floating point constant in the pool.
10943 * rtl.h (constant_pool_constant_p): Prototype here.
10944 * loop.c (scan_loop): Avoid hoisting constants from the constant
10945 pool on STACK_REGS targets.
10946 (load_mems): Likewise.
10947 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
10948 loads into x87 registers expensive in terms of register pressure.
10950 2006-02-19 Roger Sayle <roger@eyesopen.com>
10952 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
10953 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
10955 2006-02-19 David Edelsohn <edelsohn@gnu.org>
10957 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10958 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
10960 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
10962 * doc/invoke.texi: Document -fipa-pta.
10963 * common.opt: Add ipa-pta option.
10964 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
10965 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
10966 (do_ds_constraint): Ditto.
10967 (get_constraint_for): Only add to referenced_vars if
10968 referenced_vars exists.
10969 (insert_into_field_list): Rewrite to do this unsorted.
10970 (insert_into_field_list_sorted): Rename old insert_into_field_list
10972 (create_function_info_for): Use insert_into_field_list_sorted.
10973 (create_variable_info_for): Rewrite so it uses unsorted version,
10974 since the field list is sorted.
10975 (intra_create_variable_infos): Only add to referenced_vars if
10976 referenced_vars exists.
10977 (ipa_pta_execute): Init heapvars, and delete when done.
10978 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
10980 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10982 * doc/install.texi: Add missing `@samp'.
10984 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10986 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
10989 2006-02-18 Mark Wielaard <mark@klomp.org>
10991 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
10992 who added new 4.1 features, bug fixes and integration support.
10994 2006-02-18 David Edelsohn <edelsohn@gnu.org>
10997 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
10998 MEM for ABI_V4 pic.
11000 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11002 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11003 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11004 (copy_insn_1): Likewise. Don't copy each field individually.
11006 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
11008 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
11009 * rtl.c (rtx_size): Rename variable to...
11010 (rtx_code_size): ...this.
11011 (rtx_size): New function.
11012 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
11013 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
11015 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
11016 * rtl.h (rtx_code_size): New variable.
11017 (rtx_size): Change from a variable to a function.
11018 (RTX_SIZE): Rename to...
11019 (RTX_CODE_SIZE): ...this.
11022 PR tree-optimization/17106
11023 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
11024 (Anchored Addresses): New section.
11025 * doc/invoke.texi (-fsection-anchors): Document.
11026 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
11027 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
11028 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
11029 * hooks.c (hook_bool_mode_rtx_false): New function.
11030 * hooks.h (hook_bool_mode_rtx_false): Declare.
11031 * gengtype.c (create_optional_field): New function.
11032 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
11033 SYMBOL_REF_IN_BLOCK_P is true.
11034 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
11035 (min_anchor_offset, max_anchor_offset): Likewise.
11036 (use_anchors_for_symbol_p): New hook.
11037 * toplev.c (compile_file): Call output_object_blocks.
11038 (target_supports_section_anchors_p): New function.
11039 (process_options): Check that -fsection-anchors is only used on
11040 targets that support it and when -funit-at-a-time is in effect.
11041 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
11042 if the decl doesn't have one.
11043 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
11044 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
11045 of force_const_mem through use_anchored_address.
11046 (expand_expr_constant): New function.
11047 (expand_expr_addr_expr_1): Call it. Use the same modifier when
11048 calling expand_expr for INDIRECT_REF.
11049 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
11050 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
11051 * expr.h (use_anchored_address): Declare.
11052 * loop-unroll.c: Don't declare rtx vectors here.
11053 * explow.c: Include output.h.
11054 (validize_mem): Call use_anchored_address.
11055 (use_anchored_address): New function.
11056 * common.opt (-fsection-anchors): New switch.
11057 * varasm.c (object_block_htab, anchor_labelno): New variables.
11058 (hash_section, object_block_entry_eq, object_block_entry_hash)
11059 (use_object_blocks_p, get_block_for_section, create_block_symbol)
11060 (use_blocks_for_decl_p, change_symbol_section): New functions.
11061 (get_variable_section): New function, split out from assemble_variable.
11062 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
11063 use_blocks_for_decl_p say so. Use change_symbol_section if the
11064 symbol has already been created.
11065 (assemble_variable_contents): New function, split out from...
11066 (assemble_variable): ...here. Don't output any code for
11067 block symbols; just pass them to place_block_symbol.
11068 Use get_variable_section and assemble_variable_contents.
11069 (get_constant_alignment, get_constant_section, get_constant_size): New
11070 functions, split from output_constant_def_contents.
11071 (build_constant_desc): Create a block symbol if use_object_blocks_p
11072 says so. Or into SYMBOL_REF_FLAGS.
11073 (assemble_constant_contents): New function, split from...
11074 (output_constant_def_contents): ...here. Don't output any code
11075 for block symbols; just pass them to place_section_symbol.
11076 Use get_constant_section and get_constant_alignment.
11077 (force_const_mem): Create a block symbol if use_object_blocks_p and
11078 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
11079 (output_constant_pool_1): Add an explicit alignment argument.
11080 Don't switch sections here.
11081 (output_constant_pool): Adjust call to output_constant_pool_1.
11082 Switch sections here instead. Don't output anything for block symbols;
11083 just pass them to place_block_symbol.
11084 (init_varasm_once): Initialize object_block_htab.
11085 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
11086 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
11087 (place_block_symbol, get_section_anchor, output_object_block)
11088 (output_object_block_htab, output_object_blocks): New functions.
11089 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
11090 (TARGET_ASM_OUT): Include it.
11091 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
11092 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
11093 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
11094 (TARGET_INITIALIZER): Include them.
11095 * rtl.c (rtl_check_failed_block_symbol): New function.
11096 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
11097 (block_symbol, object_block): New structures.
11098 (rtx_def): Add a block_symbol field to the union.
11099 (BLOCK_SYMBOL_CHECK): New macro.
11100 (rtl_check_failed_block_symbol): Declare.
11101 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
11102 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
11103 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
11104 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
11105 * output.h (output_section_symbols): Declare.
11106 (object_block): Name structure.
11107 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
11108 (default_use_anchors_for_symbol_p): Declare.
11109 * Makefile.in (RTL_BASE_H): Add vec.h.
11110 (explow.o): Depend on output.h.
11111 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
11112 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11113 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11114 (rs6000_use_blocks_for_constant_p): New function.
11116 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11118 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
11120 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11123 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
11126 2006-02-18 Diego Novillo <dnovillo@redhat.com>
11128 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
11132 2006-02-18 Jakub Jelinek <jakub@redhat.com>
11134 PR middle-end/26334
11135 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
11136 instead of DECL_REGISTER.
11138 2006-02-18 Olivier Hainque <hainque@adacore.com>
11141 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
11143 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
11146 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
11147 * opth-gen.awk: Handle Var and InverseMask together.
11148 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
11149 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
11150 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
11151 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
11153 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11154 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11155 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
11156 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11157 LINUX_DYNAMIC_LINKER): Define.
11158 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
11159 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
11161 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11162 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
11163 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11164 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11165 (TARGET_C99_FUNCTIONS): Don't define.
11166 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
11167 GLIBC_DYNAMIC_LINKER.
11168 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
11169 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
11170 GLIBC_DYNAMIC_LINKER64): Define.
11171 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11172 LINUX_DYNAMIC_LINKER64.
11173 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11174 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11175 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
11176 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11177 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11178 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11179 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
11180 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
11181 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
11182 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
11183 and LINUX_DYNAMIC_LINKER32.
11184 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11185 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11186 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
11187 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11188 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
11190 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
11191 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
11192 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11193 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11194 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11195 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
11196 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
11197 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
11198 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11199 LINUX_DYNAMIC_LINKER): Define.
11200 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
11201 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
11202 GLIBC_DYNAMIC_LINKER64): Define.
11203 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11204 LINUX_DYNAMIC_LINKER64.
11205 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11206 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11207 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
11208 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11209 LINUX_DYNAMIC_LINKER): Define.
11210 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11211 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11212 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
11213 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
11214 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
11215 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11216 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
11217 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
11218 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11219 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11220 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11221 * doc/invoke.texi (-muclibc): Remove caveat about supported
11224 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
11226 * doc/cpp.texi (__TIMESTAMP__): Document.
11228 2006-02-17 Roger Sayle <roger@eyesopen.com>
11230 PR middle-end/25600
11231 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
11232 C is one less than the width of X (and related transformations).
11233 * simplify-rtx.c (simplify_unary_operation_1): Transform
11234 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
11235 depending on STORE_FLAG_VALUE, were C is one less then the
11238 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
11240 Fix PR tree-optimization/26341
11241 * tree-ssa-operands.c (add_virtual_operand): Remove assert
11242 about NAME_MEMORY_TAG's.
11244 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11247 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
11248 with hardware float support, and software float support. Add fcpy
11249 alternative to hardware patterns. Add alternatives to copy between
11250 general and floating-point registers to the 32-bit pattern.
11251 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
11252 secondary reload to load a QI or HI mode constant into a floating
11254 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
11255 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
11257 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
11260 * config/rs6000/darwin.md (load_macho_picbase_si): Add
11262 (load_macho_picbase_di): Likewise.
11264 2006-02-16 Jeff Law <law@redhat.com>
11266 * tree-vrp.c (set_value_range_to_nonnegative): New function.
11267 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
11268 (ssa_name_nonzero_p): Likewise.
11269 (get_value_range): Return NULL if VRP is not running.
11270 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
11271 VRP routines do not discover a range.
11272 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
11273 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
11274 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
11275 (tree_expr_nonnegative_p): Similarly.
11276 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
11277 (restore_nonzero_vars_to_original_value): Remove.
11278 (unsafe_associative_fp_binop): Remove.
11279 (tree_ssa_dominator_optimize): Remove initialization and
11280 finalization of nonzero_vars and nonzero_vars_stack.
11281 (dom_opt_initialize_block): No longer push marker on
11282 nonzero_vars_stack.
11283 (dom_opt_finalize_block): No longer call
11284 restore_nonzero_vars_to_original_value.
11285 (record_equivalences_from_phis): No longer look for
11286 nonzero PHI arguments.
11287 (cprop_into_successor_phis): No longer propagate nonzero
11288 property into PHI arguments. Lose unused argument. Caller
11290 (record_equivalences_from_stmt): No longer record nonzero
11291 values for SSA_NAMEs.
11292 (lookup_avail_expr): No longer use nonzero_vars.
11294 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
11295 for sizetype when sizetype is unsigned.
11297 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
11299 PR rtl-optimization/25603
11300 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
11301 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
11302 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
11303 with new meaning of SETS.
11305 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
11310 * config/linux.opt: New file.
11311 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
11312 LINUX_DYNAMIC_LINKER): Define.
11313 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
11314 * config.gcc (*-*-linux*): Define extra_options.
11315 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
11316 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
11317 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
11318 GLIBC_DYNAMIC_LINKER.
11319 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
11320 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11321 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11322 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11323 * doc/invoke.texi (GNU/Linux Options): New section.
11325 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
11327 * config/sparc/sparc.md (setjmp): Rewrite.
11328 (setjmp_32): Delete.
11329 (setjmp_64): Likewise.
11331 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
11333 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
11336 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11338 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
11341 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11343 PR rtl-optimization/26296
11344 * Makefile.in (loop-invariant.c): Add except.h dependency.
11345 * loop-invariant.c: Include except.h.
11346 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
11348 2005-02-16 Paul Brook <paul@codesourcery.com>
11350 * reload1.c (emit_reload_insns): Invalidate dead input registers used
11353 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
11355 PR rtl-optimization/25636
11356 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
11357 when deciding whether an insn is an initializing insn.
11359 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
11361 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
11362 (tree_code_size): Ditto.
11363 * tree.h (struct tree_memory_tag): Remove parent_var.
11364 (struct tree_struct_field_tag): New.
11367 (union tree_node): Add sft member.
11368 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
11370 (create_sft): Add size and offset argument, set SFT_OFFSET and
11372 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
11373 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
11374 * tree-flow-inline.h (get_subvar_at): Update for
11375 SFT_OFFSET/SFT_SIZE.
11376 (var_can_have_subvars): Ditto.
11377 (overlap_subvar): Ditto.
11378 * print-tree.c (print_node): Print out interesting things for
11380 * tree-flow.h (struct subvar): Remove offset and size members.
11381 * tree-ssa-operands.c (get_expr_operands): Update for
11382 get_indirect_ref_operands changes.
11383 (get_indirect_ref_operands): Call add_virtual_operand instead of
11384 add_stmt_operand. Only recurse on base var if requested.
11385 (access_can_touch_variable): New function.
11386 (add_stmt_operand): Split virtual operand handling into ...
11387 (add_virtual_operand): Here. Add offset, size, and for_clobber
11388 arguments. Prune alias sets.
11389 (add_call_clobber_ops): Call add_virtual_operand.
11391 2006-02-15 Jakub Jelinek <jakub@redhat.com>
11393 PR middle-end/26300
11394 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
11396 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
11397 than TREE_CODE as index into omp_clause_num_ops array.
11399 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
11401 PR rtl-optimization/26184
11402 * modulo-sched.c (generate_reg_moves): Free bitmap vector
11404 * modulo-sched.c (sms_schedule): Free g_arr pointer.
11405 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
11406 must_precede, must_follow and tobe_scheduled.
11409 * opts.c (common_handle_option): Free new_option pointer.
11410 * df-core.c (df_analyze): Free postorder pointer.
11412 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11414 * Makefile.in: Fix the examples about the use of stamps
11416 2006-02-15 Michael Matz <matz@suse.de>
11418 PR middle-end/22275
11420 * stor-layout.c (layout_decl): Zero-width bitfields aren't
11421 influenced by maximum_field_alignment or DECL_PACKED.
11422 (update_alignment_for_field): Ditto.
11423 (place_field): Ditto.
11424 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
11427 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
11429 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
11430 (debug_flow_info): Pass it.
11431 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
11432 * bb-reorder.c (reorder_basic_blocks): Likewise.
11433 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
11434 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
11435 * flow.c (life_analysis, recompute_reg_usage): Likewise.
11436 * gcse.c (gcse_main, bypass_jumps): Likewise.
11437 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
11438 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
11439 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
11440 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
11441 * rtl.h (dump_flow_info): Adjust prototype.
11442 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
11443 * var-tracking.c (variable_tracking_main): Likewise.
11444 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
11445 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
11448 2006-02-15 Marcin Dalecki <martin@dalecki.de>
11450 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
11453 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11455 PR tree-optimization/26209
11456 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
11457 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
11459 * tree-cfg.c (replace_uses_by): Do not alter cfg.
11461 2006-02-14 Roger Sayle <roger@eyesopen.com>
11463 PR middle-end/23670
11464 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
11465 (X,Y) and the corresponding symmetry related transformations.
11466 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
11467 (X,Y) and its symmetry related transformations.
11469 2006-02-14 Roger Sayle <roger@eyesopen.com>
11471 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
11474 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
11476 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
11478 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11481 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
11482 support COMDAT group.
11483 * configure: Regenerate.
11485 2006-02-14 Roger Sayle <roger@eyesopen.com>
11487 PR middle-end/26279
11488 PR middle-end/26280
11489 PR middle-end/26283
11490 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
11492 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
11494 Fix PR tree-optimization/26260
11496 * doc/invoke.texi (max-fields-for-field-sensitive): Document
11498 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
11499 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
11500 * tree-ssa-structalias.c (create_variable_info_for): Use
11501 MAX_FIELDS_FOR_FIELD_SENSITIVE.
11503 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11505 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
11507 * tree-ssa-loop-niter.c (number_of_iterations_ne,
11508 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
11509 of the ending condition.
11510 * tree-ssa-loop-manip.c: Include params.h.
11511 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
11512 tree_unroll_loop): New functions.
11513 * tree-pass.h (pass_loop_prefetch): Declare.
11514 * loop.c (rest_of_handle_loop_optimize): Test for
11515 -fprefetch-loop-arrays-rtl.
11516 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
11517 * timevar.def (TV_TREE_PREFETCH): New timevar.
11518 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
11519 pass_loop_prefetch): New.
11520 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
11521 (cleanup_tree_cfg_loop): Call scev_reset.
11522 * common.opt (fprefetch-loop-arrays-rtl): Add.
11523 * tree-ssa-loop-prefetch.c: New file.
11524 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
11525 (new_temp_expr_table): Initialize expr_vars.
11526 (free_temp_expr_table): Cleanup expr_vars.
11527 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
11528 expressions from being merged into one.
11529 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
11530 (struct tree_niter_desc): Add control, bound and cmp fields.
11531 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
11533 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
11534 (tree-cfgcleanup.o): Add SCEV_H dependency.
11535 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
11536 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
11538 2006-02-14 Richard Guenther <rguenther@suse.de>
11540 PR tree-optimization/26258
11541 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
11542 in PHI argument processing.
11544 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
11546 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
11547 new expression in the requested machine mode.
11549 2006-02-13 Roger Sayle <roger@eyesopen.com>
11551 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
11552 directly, instead let do_compare_rtx_and_jump handle this for us.
11553 * expr.c (expand_expr_real_1): Likewise.
11554 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
11555 before do_jump_by_parts_greater.
11556 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
11557 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
11559 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11561 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
11563 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11565 PR rtl-optimization/26235
11566 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
11567 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
11570 2006-02-13 Jeff Law <law@redhat.com>
11572 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
11575 2006-02-13 Jakub Jelinek <jakub@redhat.com>
11577 PR middle-end/26092
11578 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
11579 twice if decl is a builtin. When trying again, call get_callee_fndecl
11580 first to verify it is still a builtin.
11582 2006-02-13 Geoffrey Keating <geoffk@apple.com>
11584 * dwarf2out.c (base_type_die): Don't add AT_name here.
11585 (subrange_type_die): Don't add AT_name here.
11586 (modified_type_die): Rearrange code flow. Do add AT_name here.
11588 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11590 PR rtl-optimization/26247
11591 PR rtl-optimization/26248
11592 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
11594 2006-02-13 Richard Sandiford <richard@codesourcery.com>
11596 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
11597 * config/fixtfdi.c: Likewise.
11598 * config/fixunstfdi.c: Likewise.
11599 * config/floatditf.c: Likewise.
11601 2006-02-13 Roger Sayle <roger@eyesopen.com>
11603 PR middle-end/24427
11604 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
11605 into (X,C2) if C1 is a subset of the bits of C2. Transform
11606 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
11608 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
11610 2006-02-13 Josh Conner <jconner@apple.com>
11613 * varasm.c (function_section): Check for section name before
11614 calling select_section on targets that define
11615 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
11616 unlikely_text_section instead of hot_function_section if
11617 first_function_block_is_cold.
11619 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
11621 PR middle-end/25335
11622 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
11624 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11626 PR rtl-optimization/26222
11627 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
11628 after tree->rtl expansion.
11629 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
11630 before passing it to emit_move_insn.
11632 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
11634 * doc/invoke.texi (-Write-strings): Document that it is enabled by
11636 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
11637 Clarify documentation.
11638 * c-common.h (warn_write_strings): Remove.
11639 * c-common.c (warn_write_strings): Likewise.
11640 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
11643 2006-02-12 Roger Sayle <roger@eyesopen.com>
11645 PR middle-end/25724
11646 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
11647 (do_jump_parts_zero_rtx): New function renamed from
11648 do_jump_parts_equality_rtx. Made static. Add a mode argument.
11649 (do_jump_parts_equality_rtx): New function split out from
11650 do_jump_parts_equality. Old implementation renamed as above.
11651 Call do_jump_parts_zero_rtx if either operand is zero.
11652 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
11653 do all of the heavy lifting.
11654 (do_compare_rtx_and_jump): Handle multi-word comparisons by
11655 calling either do_jump_by_parts_greater_rtx or
11656 do_jump_by_parts_equality_rtx.
11657 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
11658 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
11659 moved to do_compare_rtx_and_jump, call it directly.
11660 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
11661 mode argument. Call do_compare_rtx_and_jump.
11662 (emit_case_nodes): Update calls to do_jump_if_equal.
11664 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11666 PR rtl-optimization/26225
11667 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
11669 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11671 PR rtl-optimization/26232
11672 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
11674 2006-02-11 Jason Merrill <jason@redhat.com>
11677 * tree-inline.c (declare_return_variable): Just don't use the
11678 modify target if it's a gimple complex reg and the return slot
11681 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11683 * doc/contrib.texi: Update my entry.
11685 2006-02-10 Geoffrey Keating <geoffk@apple.com>
11687 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
11689 2006-02-10 Diego Novillo <dnovillo@redhat.com>
11691 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
11694 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
11696 * doc/invoke.texi (-floop-optimize2): Removed.
11697 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
11698 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
11699 Test flag_branch_on_count_reg only if HAVE_doloop_end.
11700 * common.opt (floop-optimize2): Removed.
11701 (fmove-loop-invariants): Enabled by default.
11703 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
11705 * tree-if-conv.c (combine_blocks): Free the result of
11706 get_loop_exit_edges.
11708 2006-02-10 Jeff Law <law@redhat.com>
11710 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
11712 PR tree-optimization/26213
11713 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
11714 loop trying to follow SSA_NAME_VALUE chains.
11716 2006-02-10 Richard Guenther <rguenther@suse.de>
11718 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
11719 deal with structures that end in implicitly variable sized arrays.
11721 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11723 PR rtl-optimization/24762
11724 * df-scan.c (df_bb_refs_record): Record correct registers defined on
11727 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11729 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
11730 (struct ivopts_data): Add regs_used field.
11731 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
11732 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
11733 instead of loop_data->regs_used;
11734 (free_loop_data): Do not free aux fields for loops.
11735 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
11736 and tree_ssa_iv_optimize_finalize.
11738 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
11740 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
11742 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11745 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
11746 computing the effective result type.
11748 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11750 PR inline-asm/16194
11751 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
11752 (tree_overlaps_hard_reg_set): Declare.
11753 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
11754 type and signature to match function type expected by walk_tree.
11755 (tree_overlaps_hard_reg_set): New function.
11756 (decl_conflicts_with_clobbers_p): Rename to:
11757 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
11758 Use tree_overlaps_hard_reg_set. Changed caller.
11759 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
11760 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
11761 * cris.c (cris_md_asm_clobbers): Likewise.
11763 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
11765 * reload1.c (emit_input_reload_insns): Delete code that tries to
11766 inherit using find_equiv_reg.
11768 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
11770 * c-common.h (flag_const_strings): Don't declare.
11771 * c-common.c (flag_const_strings): Remove.
11772 * c.opt (fconst_strings): Remove.
11773 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
11774 <OPT_Wwrite_strings>: Don't set flag_const_strings.
11775 (c_common_init_options): Don't set flag_const_strings.
11776 * doc/invoke.texi (-fno-const-strings): Remove documentation.
11778 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
11780 * arm.md (tlobits_cbranch): New pattern.
11781 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
11782 testing a single bit.
11784 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11787 * tree-ssa-pre.c (create_component_ref_by_pieces):
11788 Handle RETURN_DECL like VAR_DECL.
11790 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11792 PR middle-end/26134
11793 * fold-const.c (fold_indirect_ref_1): Fold
11794 "*(foo *)&complexfoo" to "__real__ complexfoo"
11795 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
11797 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11799 * tree-flow-inline.h (var_can_have_subvars):
11800 Volatile variables should not have subvariables.
11802 2006-02-09 Diego Novillo <dnovillo@redhat.com>
11805 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
11806 multiplying unsigned values.
11809 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
11811 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
11813 2006-02-08 Jason Merrill <jason@redhat.com>
11816 * tree.def: Elaborate on difference from MODIFY_EXPR.
11817 * doc/c-tree.texi (INIT_EXPR): Likewise.
11818 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
11819 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
11820 (gimplify_target_expr): Likewise.
11821 (gimplify_cond_expr): Remove target handling.
11822 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
11823 (gimplify_expr): Clobber it here.
11824 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
11825 Do return slot optimization if we have an INIT_EXPR.
11828 * tree-inline.c (declare_return_variable): Also clear
11829 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
11832 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
11834 PR middle-end/22439
11835 * gimplify.c (gimplify_one_sizepos): Fix typo.
11837 2006-02-08 Jeff Law <law@redhat.com>
11839 PR tree-optimization/21417
11840 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
11841 across a backedge if the control statement at the end of the
11842 block is data dependent on other statements in the same block.
11843 (record_temporary_equivalences_from_stmts): Remove over-conservative
11844 test for threading across backedges.
11846 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
11847 control statement, handle all three special cases in the same
11848 manner as they all have the same desired solution. No longer
11849 special case edge flag updating when the post dominator is
11852 2006-02-08 Roger Sayle <roger@eyesopen.com>
11854 * tree.def (CHAR_TYPE): Remove.
11855 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
11856 * dwarf2out.c (base_type_die, is_base_type): Likewise.
11857 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
11858 (gen_string_type_die): Delete unreachable function.
11860 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
11861 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
11862 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
11863 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
11864 * builtins.c (type_to_class): Likewise.
11865 * fold-const.c (fold_convert, build_range_check,
11866 merge_ranges): Likewise.
11867 * expr.c (count_type_elements): Likewise.
11868 * c-pretty-print.c (pp_c_type_specifier): Likewise.
11869 * stor-layout.c (layout_type): Likewise.
11870 * ipa-type-escape.c (type_to_consider): Likewise.
11871 * gimplify.c (omp_firstprivatize_type_sizes,
11872 gimplify_type_sizes): Likewise.
11873 * explow.c (promote_mode): Likewise.
11874 * tree-sra.c (is_sra_scalar_type): Likewise.
11875 * varasm.c (output_constant): Likewise.
11876 * tree-inline.c (remap_type_1): Likewise.
11877 * convert.c (convert_to_pointer, convert_to_real,
11878 convert_to_integer, convert_to_complex): Likewise.
11880 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
11882 * df-scan.c (df_def_record_1): A set destination may
11883 be a parallel regardless of mode.
11885 2006-02-08 Roger Sayle <roger@eyesopen.com>
11888 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
11889 * config/mips/_tilib.c: Remove.
11890 * config/fixtfdi.c: New libgcc source file.
11891 * config/fixunstfdi.c: New source file.
11892 * config/floatditf.c: New source file.
11893 * config/floatunditf.c: New souce file.
11894 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
11895 files above instead of config/mips/_tilib.c.
11896 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
11898 2006-02-08 Jeff Law <law@redhat.com>
11900 PR tree-optimization/26169
11901 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
11904 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
11906 * df.h (DF_REG_SIZE): Return the length of the initialized
11909 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
11911 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
11912 __muldf3): Return a correctly signed zero.
11914 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
11916 * passes.c (register_one_dump_file): Accept the current properties
11917 instead of pass number. Adjust call to dump_register. Remove
11919 (register_dump_files): Now a wrapper around...
11920 (register_dump_files_1): ... this one. Do not modify the pass
11922 (next_pass_1): Cosmetic fix.
11923 (execute_todo): Keep second parameter only. Use curr_properties
11924 instead of fetching it from the pass structure. Check and set
11926 (execute_one_pass): Handle TODO_set_props. Use curr_properties
11927 instead of fetching it from the pass structure. Fix calls to
11928 execute_todo. Update curr_properties and initialize .vcg RTL dump
11929 after running the pass. Reset last_verified.
11930 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
11932 (FIRST_AUTO_NUMBERED_DUMP): New.
11933 (dump_register): Remove "num" parameter, assign it within the
11935 (get_dump_file_name): Modify template for dumps.
11936 * tree-dump.h (dump_register): Adjust prototype.
11937 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
11938 (PROP_trees): Add PROP_gimple_lomp.
11939 (TODO_set_props): New.
11940 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
11941 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
11942 * cfgexpand.c (pass_expand): Destroy PROP_trees.
11944 2006-02-08 Jakub Jelinek <jakub@redhat.com>
11946 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
11947 (sparc64-*-linux*): Likewise.
11948 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
11949 * config/sparc/t-linux: New file.
11950 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
11951 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
11952 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
11953 -m32 -mlong-double-128.
11955 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
11956 * config/alpha/t-linux: New file.
11957 * config/alpha/libgcc-alpha-ldbl.ver: New file.
11959 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
11960 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
11961 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
11962 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
11963 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
11964 (CPP_ARCH32_SPEC): Remove.
11966 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
11968 PR tree-optimization/26145
11969 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
11972 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11975 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
11976 >= 240000 when generating code for SOM runtime.
11977 (output_indirect_call): Don't use "b,l" instruction for indirect calls
11978 to $$dyncall when generating code for SOM runtime..
11980 2006-02-07 Dirk Mueller <dmueller@suse.com>
11983 * doc/invoke.texi (-Wsequence-point): Update documentation
11984 that -Wsequence-point is implemented for C++ as well.
11986 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11988 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
11989 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
11990 (LIB_SPEC): Likewise.
11991 * doc/invoke.texi (SPARC options): Document -pthread.
11993 2006-02-07 Geoffrey Keating <geoffk@apple.com>
11995 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
11998 2006-02-07 Roger Sayle <roger@eyesopen.com>
12000 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12001 Correct comment describing BOOLEAN_TYPE.
12003 2006-02-07 Dirk Mueller <dmueller@suse.com>
12005 * c.opt: C++ frontend supports -Wdiv-by-zero.
12006 * c-opts.c (c_common_handle_option): Remove dead case.
12008 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12010 * configure.ac (TLS assembler check): Do not enable TLS by
12011 default on SPARC/Solaris before version 10.
12012 * configure: Regenerate.
12014 2006-02-07 David Edelsohn <edelsohn@gnu.org>
12016 * doc/invoke.texi (xl-compat): Document conversion and support
12019 2006-02-07 Jeff Law <law@redhat.com>
12021 * tree-vrp.c (find_conditional_asserts): Update comments.
12022 (simplify_stmt_for_jump_threading): New.
12023 (identify_jump_threads, finalize_jump_threads): New.
12024 (vrp_finalize): Call identify_jump_threads.
12025 (execute_vrp): Call finalize_jump_threads.
12026 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
12027 (vrp_element, vrp_data, vrp_element_p): Remove.
12028 (vrp_hash_elt, vrp_variables_stack): Remove.
12029 (vrp_hash, vrp_eq, record_range): Remove.
12030 (simplify_cond_and_lookup_avail_expr): Remove.
12031 (extract_range_from_cond): Remove.
12032 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
12033 (simplify_stmt_for_jump_threading): New.
12034 (dom_thread_across_edge): New wrapper.
12035 (tree_ssa_dominator_optimize): No longer initialize or
12036 finalize any of the VRP datastructures. Remove iteration
12037 step and simplify as a result of removal of iteration step.
12038 (pass_dominator): Perform a cfg cleanup after DOM.
12039 (dom_opt_finalize_block): Use the new common routines
12040 for threading jumps. Simplify stack management slightly.
12041 No longer need to unwind VRP state.
12042 (record_equivalences_from_incoming_edge): No longer record
12044 (eliminate_redundant_computations): No longer call
12045 simplify_cond_and_lookup_avail_expr.
12046 * tree-flow.h (potentially_threadable_block): Prototype.
12047 (thread_across_edge): Likewise.
12048 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
12049 (tree-ssa-threadedge.o): Add dependencies.
12050 * tree-ssa-threadedge.c: New file.
12051 * passes.c (init_optimization_passes): Merge PHIs before
12052 calling VRP. Run VRP again late in the SSA optimization pipeline.
12054 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12056 * df-core.c (df_set_blocks): Do not dereference function pointers.
12057 (df_finish1): Likewise.
12058 (df_hybrid_search_forward): Likewise.
12059 (df_hybrid_search_backward): Likewise.
12060 (df_iterative_dataflow): Likewise.
12061 (df_analyze_problem): Likewise.
12062 (df_compact_blocks): Likewise.
12063 (df_dump): Likewise.
12064 * df-scan.c (df_rescan_blocks): Likewise.
12065 (df_record_entry_block_defs): Likewise.
12067 * genconditions.c (write_conditions): Guard the definition of
12068 'insn_conditions' with the check on GCC version.
12069 (write_writer): Guard the traversal 'insn_conditions' with
12070 the check on GCC version.
12072 2006-02-07 Richard Guenther <rguenther@suse.de>
12076 2006-01-30 Richard Guenther <rguenther@suse.de>
12078 * gimplify.c (gimplify_target_expr): Handle easy cases
12079 without creating a temporary.
12081 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
12083 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
12084 use of float in probability computations. Use edge probabilities
12085 in place of statically computed probabilities.
12086 (min_spec_prob): New static variable.
12087 (schedule_insns): Initialize it.
12088 (GET_SRC_PROB): Removed.
12089 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
12091 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
12094 * config/ia64/unwind-ia64.c: Revert last change.
12095 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
12096 (INCOMING_FRAME_SP_OFFSET): Define.
12098 2006-02-06 Roger Sayle <roger@eyesopen.com>
12100 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
12102 2006-02-07 Ben Elliston <bje@au.ibm.com>
12104 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
12105 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
12106 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
12107 (ix86_return_in_memory): Handle TDmode.
12108 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
12109 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
12111 2006-02-06 Richard Sandiford <richard@codesourcery.com>
12113 * reorg.c (dbr_schedule): Use dump_file instead of file.
12115 2006-02-06 Steve Ellcey <sje@cup.hp.com>
12118 * config/ia64/predicates.md (extr_len_operand): New predicate.
12119 * config/ia64/ia64.md (extv): Tighten constraints.
12121 (*tbit_and_2): Ditto.
12122 (*tbit_and_3): Ditto.
12123 (*tbit_or_2): Ditto.
12124 (*tbit_or_3): Ditto.
12125 (*bit_zero): Ditto.
12128 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
12131 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
12133 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
12135 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
12136 loop_optimizer_init and loop_optimizer_finalize
12137 * tree-ssa-sink.c (execute_sink_code): Ditto.
12138 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12139 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
12140 tree_ssa_loop_done): Ditto.
12141 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
12142 * sched-ebb.c: Include output.h.
12143 (schedule_ebbs): Do not use dump argument.
12144 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
12145 * loop.c (loop_dump_stream): Removed.
12146 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
12148 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
12149 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
12150 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
12151 loop_iterations, strength_reduce, record_biv, record_giv,
12152 final_giv_value, check_final_value, check_ext_dependent_givs,
12153 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
12154 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
12155 dump_file instead of loop_dump_stream.
12156 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
12157 argument dump_file.
12158 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
12160 * flow.c (life_analysis, rest_of_handle_life): Ditto.
12161 * haifa-sched.c: Include output.h
12162 (schedule_insns, sched_init): Do not use dump argument.
12163 * mode-switching.c (optimize_mode_switching): Ditto.
12164 * modulo-sched.c (stats_file): Removed.
12165 (print_node_sched_params): Do not call argument dump_file.
12166 (sms_schedule_by_order, loop_canon_p, sms_schedule,
12167 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
12169 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
12171 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
12172 rtl_loop_init, rtl_loop_done): Ditto.
12173 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
12174 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
12176 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
12177 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
12178 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
12179 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
12180 * emit-rtl.c (renumber_insns): Ditto.
12181 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
12182 expand_gimple_basic_block, tree_expand_cfg): Ditto.
12183 * regclass.c (regclass): Ditto.
12184 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
12185 remove_ssa_form, rewrite_out_of_ssa): Ditto.
12186 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
12187 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
12189 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
12190 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
12192 * gcse.c (gcse_file, debug_stderr): Removed.
12193 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
12194 rest_of_handle_gcse): Do not use dump argument.
12195 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
12196 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
12197 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
12198 compute_code_hoist_vbeinout, compute_code_hoist_data,
12199 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
12200 compute_store_table, build_store_vectors, insert_insn_start_bb,
12201 insert_store, remove_reachable_equiv_notes, replace_store_insn,
12202 store_motion): Use dump_file instead of gcse_file.
12203 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
12204 * profile.c (profile_dump_file): Removed.
12205 (branch_prob): Use dump_file instead of profile_dump_file.
12206 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
12208 * tree-ssa-copy.c (dump_copy_of): Ditto.
12209 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
12210 dump file to life_analysis.
12211 * bt-load.c (branch_target_load_optimize): Ditto.
12212 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
12214 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
12215 regclass, dbr_schedule): Declaration changed.
12216 * sched-int.h (sched_init): Declaration changed.
12217 * tree-profile.c (tree_profile_dump_file): Removed.
12218 (tree_profile_hooks): Removed profile_dump_file hook.
12219 * rtl-profile (rtl_profile_dump_file): Removed.
12220 (rtl_profile_hooks): emoved profile_dump_file hook.
12221 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
12223 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
12224 * tree-cfg.c (build_tree_cfg): Ditto.
12225 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
12226 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
12227 Declaration changed.
12228 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
12229 life_analysis and schedule_insns.
12230 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
12232 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
12234 * config/mips/mips.c (mips_reorg): Ditto.
12235 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
12238 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
12240 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12241 (s390_mangle_fundamental_type): New.
12242 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12245 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12246 (alpha_mangle_fundamental_type): New.
12247 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12250 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12252 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12254 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12255 (sparc_mangle_fundamental_type): New.
12257 2006-02-06 Jakub Jelinek <jakub@redhat.com>
12259 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
12260 (s390x-*-linux*): Likewise.
12261 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
12262 * config/s390/t-linux: New file.
12264 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12266 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
12267 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
12269 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
12271 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
12272 (ANTIC_SAFE_LOADS): New macro.
12273 (find_or_generate_expression): Add prototype.
12274 (set_contains_value): Allow null set for sake of not always having
12275 to allocate ANTIC_SAFE_LOADS.
12276 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
12277 Allow COMPONENT_REF too.
12278 (valid_in_set): Allow COMPONENT_REF.
12279 Check ANTIC_SAFE_LOADS too.
12280 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
12281 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
12283 (can_PRE_operation): Add COMPONENT_REF.
12284 (create_component_ref_by_pieces): New function.
12285 (create_expression_by_pieces): Use create_component_ref_by_pieces.
12286 (insert_aux): Move AGGREGATE_TYPE_P check here.
12287 (compute_avail): Set bb local stmt uids.
12288 (pass_pre): Use TODO_update_ssa_only_virtuals.
12290 2006-02-06 Ben Elliston <bje@au.ibm.com>
12292 * configure.ac: Unconditionally disable decimal float by default.
12293 * configure: Regenerate.
12295 2006-02-06 Ben Elliston <bje@au.ibm.com>
12297 * read-rtl.c (read_name): Terminate reading on EOF.
12299 2006-02-06 Ben Elliston <bje@au.ibm.com>
12301 * dfp.c (decimal_real_arithmetic): Change second argument type
12302 from int to enum tree_code. Do not always return true, but now
12303 return result of any call to decimal_do helper functions.
12304 * dfp.h (decimal_real_arithmetic): Update prototype.
12306 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
12308 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
12310 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
12313 * tree-cfg.c (cleanup_dead_labels): Also don't remove
12316 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12318 * tree-vrp.c (cfg_loops): Removed.
12319 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
12320 Use current_loops instead of cfg_loops. Pass flags to
12321 loop_optimizer_init.
12322 * cfgloopmanip.c (fix_loop_structure): Update only available
12324 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
12325 loop_optimizer_init.
12326 * modulo-sched.c (build_loops_structure): Removed.
12327 (sms_schedule): Use loop_optimizer_init.
12328 * loop-init.c (loop_optimizer_init): Use flags to determine
12329 which properties of loops to prepare.
12330 (rtl_loop_init): Pass flags to loop_optimizer_init.
12331 * tree-ssa-sink.c (execute_sink_code): Ditto.
12332 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
12333 * tree-ssa-pre.c (init_pre): Ditto.
12334 * cfgloop.h (LOOPS_NORMAL): New.
12335 (loop_optimizer_init): Declaration changed.
12337 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12339 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
12340 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
12342 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
12344 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
12346 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
12347 * pa/t-pa64: Delete quadlib.c rule.
12348 * pa/x-ada: Revert last change.
12349 * pa/t-pa: Revert last change. Delete quadlib.c rule.
12351 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12353 PR rtl-optimization/26087
12354 * rtlanal.c (canonicalize_condition): Do not cross basic block
12357 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
12360 * config/ia64/ia64.c: Include debug.h.
12361 (MAX_ARTIFICIAL_LABEL_BYTES): New.
12362 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
12363 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
12364 (process_epilogue, process_set, process_for_unwind_directive):
12365 Output unwind info only if requested. Add CFA info if requested.
12366 Add new arguments as needed. Adjust callers.
12367 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
12369 (DWARF2_FRAME_INFO): Define to zero.
12370 * config/ia64/unwind-ia64.c: Remove code that compensated for
12371 the CFA offset error fixed above.
12372 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
12373 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
12374 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
12375 -funwind-tables and -fexceptions to enable frame info.
12376 (dwarf2out_frame_init): Define initial CFA even if
12377 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
12378 DWARF2_UNWIND_INFO is nonzero, not just defined.
12379 (dwarf2out_frame_finish): Output non-EH call frame info only
12380 if DWARF2_FRAME_INFO is nonzero.
12381 (convert_cfa_to_loc_list,
12382 compute_frame_pointer_to_cfa_displacement): Define even if
12383 unwind info is not supported.
12384 (gen_subprogram_die): Use the above unconditionally. Remove
12385 legacy alternate code.
12386 * toplev.c (compile_file): Compile in call to
12387 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
12388 (lang_dependent_init): Ditto for dwarf2out_frame_init.
12390 2006-02-04 David Edelsohn <edelsohn@gnu.org>
12391 Jakub Jelinek <jakub@redhat.com>
12393 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
12394 IBM extended float format long double as "g" on powerpc*-linux.
12396 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12399 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
12400 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
12402 2006-02-03 Jason Merrill <jason@redhat.com>
12405 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
12407 PR middle-end/25977
12408 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
12409 on the return slot if it's an NRV.
12411 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
12413 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
12414 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
12415 rewrite_use): Do not handle USE_OUTER.
12416 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
12417 add_iv_outer_candidates, may_replace_final_value,
12418 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
12419 (find_interesting_uses_op): Functionality of
12420 find_interesting_uses_outer_or_nonlin moved here.
12421 (find_interesting_uses_outside): Use find_interesting_uses_op.
12423 2006-02-03 Alan Modra <amodra@bigpond.net.au>
12426 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
12428 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
12429 Ulrich Weigand <uweigand@de.ibm.com>
12432 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
12433 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
12434 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
12435 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
12437 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
12438 (s390_rtx_costs): Use the new fields to calculate rtx costs.
12439 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
12440 Define secondary reloads for TFmode moves.
12441 (constant_modes): Add TFmode.
12442 (NR_C_MODES): Set to 8.
12443 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
12445 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
12446 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
12447 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
12448 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
12449 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
12450 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
12451 (FPR mode macro): Add TFmode.
12452 (DSF mode macro): New.
12453 (<de>, <dee> mode attributes): Removed.
12454 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
12455 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
12456 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
12457 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
12458 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
12459 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
12460 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
12461 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
12462 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
12463 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
12464 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
12465 "*negabs<mode>2", "sqrt<mode>2"):
12466 Changed <de> to <xde>. R constraint replaced by <Rf>.
12467 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
12469 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
12470 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
12471 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
12473 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
12474 "extenddftf2", "extendsftf2"): New expanders.
12475 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
12476 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
12477 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
12478 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
12480 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
12481 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
12482 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
12483 __floatditf): Add a GCC_4.1.0 symbol version tag.
12484 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
12487 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
12490 * config/i386/i386.c (ix86_function_ok_for_sibcall):
12491 Use targetm.binds_local_p instead of TREE_PUBLIC.
12493 2006-02-02 Roger Sayle <roger@eyesopen.com>
12495 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
12496 on INTEGER_TYPEs to indicate that it denotes a character type.
12497 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
12498 signed_char_type_node, unsigned_char_type_node and char_type_node.
12499 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
12500 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
12501 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
12503 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
12504 Daniel Berlin <dberlin@dberlin.org>
12506 * tree-tailcall.c (arg_needs_copy_p): New function.
12507 (eliminate_tail_call): Use arg_needs_copy_p.
12508 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
12509 (add_virtual_phis): New function.
12511 2006-02-02 Jakub Jelinek <jakub@redhat.com>
12513 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
12514 #ignore instead of #scratch for %g7 .register directive.
12516 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
12518 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
12521 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12523 * flow.c (calculate_global_regs_live): Assert that there aren't any
12526 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
12528 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
12529 what its name says.
12530 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
12531 bsi_after_labels iterator.
12532 * tree-if-conv.c (find_phi_replacement_condition,
12533 replace_phi_with_cond_modify_expr): Likewise.
12534 * tree-scalar-evolution.c (scev_const_prop): Likewise.
12535 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
12537 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12539 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
12541 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12544 * tree-cfg.c (move_block_to_fn): Clear out the basic block
12545 array after growing it.
12547 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12549 PR middle-end/24901
12550 * fold-const.c (fold_checksum_tree): Change type of buf.
12552 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
12554 * reload.c (push_secondary_reload): Initialize t_icode.
12556 2006-02-01 Jakub Jelinek <jakub@redhat.com>
12558 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
12559 -msoft-float -mlong-double-128 only issue a warning, but don't
12560 swich to DFmode long double.
12562 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
12564 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
12565 has a constant equivalent, iterate over equivalents for arg0,
12566 calling simplify_relational_operation and if there's a result
12567 cheaper than X, apply fold_rtx and return the result.
12569 2006-02-01 Jan Hubicka <jh@suse.cz>
12571 * opts.c (no_unit_at_a_time_default): New global variable.
12572 (decode_options): Use it.
12573 * opts.h (no_unit_at_a_time_default): Declare.
12575 2006-02-01 Paul Brook <paul@codesourcery.com>
12577 * function.c (assign_parm_setup_reg): Use function argument promotion
12579 * expr.c (expand_expr_real_1): Use function argument promotion rules
12582 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12584 * gcc.c (process_command): Change j to 'unsigned int'.
12586 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12588 PR middle-end/26001
12589 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
12590 Use the corrected index for the character
12591 out of the string constant.
12593 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12595 * mode-switching.c (optimize_mode_switching): Fix size
12596 allocated for bb_info[n_entities].
12598 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12600 * gcc.c (main): Correct type that is allocated for
12601 explicit_link_files.
12603 2006-01-31 Jakub Jelinek <jakub@redhat.com>
12605 * config/s390/s390.c (init_alignment_context): Set
12606 ALIAS_SET_MEMORY_BARRIER on the MEM.
12607 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
12609 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
12611 PR middle-end/25933
12612 * loop-unroll.c (unroll_loop_runtime_iterations): Free
12614 * tree-ssa-live.c (type_var_init): Allocate bitmap after
12617 2006-01-31 Marcin Dalecki <martin@dalecki.de>
12619 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
12620 * regrename.c: Ditto.
12621 * tree-ssa-loop-im.c: Ditto.
12622 * tree-dump.c: Ditto.
12623 * tree-complex.c: Ditto.
12624 * genrecog.c: Ditto.
12625 * tree-ssa-threadupdate.c: Ditto.
12627 * java/class.c: Ditto.
12628 * java/jcf-parse.c: Ditto.
12629 * java/resource.c: Ditto.
12630 * java/except.c: Ditto.
12631 * java/jvspec.c: Ditto.
12632 * java/jcf-write.c: Ditto.
12633 * java/jcf-path.c: Ditto.
12634 * java/gjavah.c: Ditto.
12635 * java/zextract.c: Ditto.
12636 * java/jcf-io.c: Ditto.
12637 * java/jcf.h: Ditto.
12638 * java/buffer.c: Ditto.
12639 * java/lang.c: Ditto.
12640 * java/parse-scan.y: Ditto.
12641 * java/lex.c: Ditto.
12642 * java/lex.h: Ditto.
12643 * cfgloopmanip.c: Ditto.
12644 * postreload-gcse.c: Ditto.
12645 * tree-ssa-loop-manip.c: Ditto.
12646 * postreload.c: Ditto.
12647 * tree-ssa-loop-ch.c: Ditto.
12650 * cppspec.c: Ditto.
12651 * diagnostic.c: Ditto.
12653 * genoutput.c: Ditto.
12655 * cfghooks.c: Ditto.
12656 * cfgloopanal.c: Ditto.
12657 * objc/objc-act.c: Ditto.
12659 * genextract.c: Ditto.
12660 * genautomata.c: Ditto.
12661 * pretty-print.c: Ditto.
12662 * genemit.c: Ditto.
12663 * cgraphunit.c: Ditto.
12665 * df-scan.c: Ditto.
12666 * haifa-sched.c: Ditto.
12667 * dominance.c: Ditto.
12669 * tree-ssa-loop-ivopts.c: Ditto.
12670 * df-core.c: Ditto.
12671 * mode-switching.c: Ditto.
12672 * modulo-sched.c: Ditto.
12674 * ipa-pure-const.c: Ditto.
12676 * fix-header.c: Ditto.
12678 * tree-stdarg.c: Ditto.
12679 * ipa-utils.c: Ditto.
12680 * loop-init.c: Ditto.
12681 * ipa-inline.c: Ditto.
12682 * cfganal.c: Ditto.
12684 * alloc-pool.c: Ditto.
12685 * dwarf2out.c: Ditto.
12687 * genattrtab.c: Ditto.
12688 * tree-ssa-loop-ivcanon.c: Ditto.
12689 * predict.c: Ditto.
12690 * timevar.c: Ditto.
12692 * fortran/gfortranspec.c: Ditto.
12693 * regmove.c: Ditto.
12694 * local-alloc.c: Ditto.
12695 * langhooks.c: Ditto.
12696 * function.c: Ditto.
12697 * tree-vectorizer.c: Ditto.
12699 * ipa-type-escape.c: Ditto.
12701 * tree-if-conv.c: Ditto.
12702 * profile.c: Ditto.
12704 * tree-data-ref.c: Ditto.
12705 * loop-unroll.c: Ditto.
12706 * treelang/treetree.c: Ditto.
12708 * bt-load.c: Ditto.
12709 * ggc-common.c: Ditto.
12711 * coverage.c: Ditto.
12713 * tree-cfgcleanup.c: Ditto.
12714 * tree-ssa-pre.c: Ditto.
12715 * cfgcleanup.c: Ditto.
12716 * loop-invariant.c: Ditto.
12717 * loop-iv.c: Ditto.
12718 * ipa-prop.c: Ditto.
12719 * print-tree.c: Ditto.
12720 * conflict.c: Ditto.
12721 * ggc-page.c: Ditto.
12722 * sched-deps.c: Ditto.
12723 * regclass.c: Ditto.
12724 * tree-object-size.c: Ditto.
12725 * combine.c: Ditto.
12726 * bb-reorder.c: Ditto.
12727 * resource.c: Ditto.
12728 * var-tracking.c: Ditto.
12729 * cfgloop.c: Ditto.
12730 * df-problems.c: Ditto.
12731 * reg-stack.c: Ditto.
12733 * gccspec.c: Ditto.
12734 * sched-rgn.c: Ditto.
12735 * tree-ssa-structalias.c: Ditto.
12736 * tree-ssa-reassoc.c: Ditto.
12737 * config/darwin-c.c: Ditto.
12738 * config/darwin.c: Ditto.
12739 * config/arm/arm.c: Ditto.
12741 * collect2.c: Ditto.
12742 * reload1.c: Ditto.
12744 2006-01-31 Nicolas Pitre <nico@cam.org>
12746 * arm.md (smaxsi3): Make aware of smax_m1.
12749 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
12751 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
12753 2006-01-31 Richard Guenther <rguenther@suse.de>
12755 * doc/invoke.texi (-msselibm): Document.
12756 * target.h (expand_library_builtin): New target hook.
12757 * builtins.c (expand_builtin): Use expand_library_builtin.
12758 (default_expand_library_builtin): New function.
12759 * gcc.c (LINK_GCC_MATH_SPEC): Define.
12760 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
12761 (link_gcc_math_spec): Declare.
12762 (static_specs): Add link_gcc_math_spec.
12763 * expr.h (default_expand_library_builtin): Declare.
12764 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12765 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
12766 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
12767 * config/i386/i386.opt (msselibm): New target option.
12768 * config/i386/i386.c (ix86_builtin_function_variants): New array.
12769 (ix86_init_sse_abi_builtins): New function.
12770 (ix86_expand_library_builtin): Likewise.
12771 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12772 (override_options): Handle error conditions wrt -msselibm.
12773 (ix86_builtins): Add function codes for SSE2 ABI builtins.
12774 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
12775 * doc/extend.texi (__builtin_sse2_*): Document new target specific
12778 2006-01-31 Richard Guenther <rguenther@suse.de>
12779 Paolo Bonzini <bonzini@gnu.org>
12781 * doc/install.texi (--disable-libgcc-math): Document.
12783 2006-01-30 Marcin Dalecki <martin@dalecki.de>
12785 * expr.h (expand_normal): new inline function.
12786 * builtins.c: use it, use EXPAND_NORMAL explicitely.
12787 * dojump.c: use it.
12788 * dwarf2out.c: use it.
12791 * expmed.c: use it.
12792 * except.c: use it.
12793 * config/sparc/sparc.c: use it.
12794 * config/i386/i386.c: use it.
12795 * config/rs6000/rs6000.c: use it.
12796 * config/arm/arm.c: use it.
12797 * config/mips/mips.c: use it.
12798 * stmt.c: use it, use EXPAND_NORMAL explicitely.
12800 2006-01-30 Roger Sayle <roger@eyesopen.com>
12802 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
12803 argv to the appropriate type.
12805 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
12807 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
12810 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
12813 * config/s390/s390.c (struct machine_function): New flag
12814 decomposed_literal_pool_addresses_ok_p.
12815 (s390_reorg): Set it before final stage of literal pool transforms.
12816 (s390_decompose_address): Only accept displacements of the form
12817 (minus (label_ref ...) (label_ref ...)) if that flag is set.
12819 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
12821 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
12822 the comparison routine return.
12824 2006-01-30 Michael Matz <matz@suse.de>
12826 * global.c (find_reg): Only evict for global regs.
12827 Take n_refs into account and dump more info.
12829 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
12832 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
12833 (pragma_trap, pragma_nosave_low_regs): Likewise.
12834 (current_function_anonymous_args): Likewise.
12835 (sh_deferred_function_attributes): New variable.
12836 (sh_deferred_function_attributes_tail): Likewise.
12837 (print_operand): For '@', look up trap_exit attribute.
12838 (calc_live_regs): Look up trapa_handler attribute. For trapa
12839 handlers, save/restore fpscr, but don't do any other
12840 interrupt-specific saves.
12841 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
12842 Fix check for partially saved registers to check for SHmedia.
12843 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
12844 (sh_output_function_epilogue): Don't clear any of the removed
12846 (sh_insert_attributes): Don't check pragma_interrupt.
12847 Insert deferred attributes. Check that interrupt attribute is
12848 present for other attributes that require its presence.
12849 (sh_attribute_table): Add new attributes trapa_handler and
12851 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
12852 Don't check for pragma_interrupt. Don't store argument.
12853 * sh.h (pragma_interrupt, sp_switch): Don't declare.
12854 (sh_deferred_function_attributes): Declare.
12855 (sh_deferred_function_attributes_tail): Likewise.
12856 * sh.md (sp_switch_1): Add operand. Change generator caller.
12857 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
12858 (*return_i): Don't use when trap_exit attribute is in effect.
12859 (*return_trapa): New insn pattern.
12860 * sh-c.c: New file.
12861 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
12862 setting c_target_objs and cxx_target_objs.
12863 * t-sh: Add rule for sh-c.o.
12865 2006-01-30 Richard Guenther <rguenther@suse.de>
12868 * gimplify.c (gimplify_target_expr): Handle easy cases
12869 without creating a temporary.
12871 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
12873 * vec.h (safe_grow): Remove duplicated line.
12875 2006-01-29 Diego Novillo <dnovillo@redhat.com>
12878 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
12879 (expand_omp): ... here.
12880 (expand_omp_parallel): Only remove barriers for combined
12881 parallel+workshare constructs.
12883 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
12887 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
12888 * tree.c (build_qualified_type): Chain the new type to the original
12889 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
12890 a POINTER_TYPE or a REFERENCE_TYPE respectively.
12891 (build_pointer_type_for_mode): Only return unqualified types.
12892 (build_reference_type_for_mode): Likewise.
12894 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
12896 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
12897 * Makefile.in (CXX_COMPAT_WARN): Define.
12898 * configure: Regenerate.
12900 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
12903 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
12906 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12908 * toplev.c: Fix thinko.
12910 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12911 Marcin Dalecki <martin@dalecki.de>
12913 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
12914 (push_srcloc): Use XNEW.
12915 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
12917 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
12919 * df-core.c (df_set_blocks): Deleted all variable.
12921 2006-01-28 Ian Lance Taylor <ian@airs.com>
12923 * cgraphunit.c (cgraph_assemble_pending_functions): Call
12924 cgraph_output_pending_asms.
12926 2006-01-28 Zack Weinberg <zackw@panix.com>
12928 * c.opt: Add -W(no-)overlength-strings.
12929 * doc/invoke.texi: Document it.
12930 * c-opts.c (c_common_handle_option): -pedantic implies
12931 -Woverlength-strings, if not explicitly disabled already.
12932 (c_common_post_options): -Woverlength-strings defaults to off, and
12933 is always off for C++.
12934 * c-common.c (fix_string_type): Issue warning about strings longer
12935 than is portable only if warn_overlength_strings. Rearrange code
12936 a little for clarity.
12937 * configure.in: Check for -Wno-overlength-strings as well before
12938 enabling -pedantic in stage 1.
12939 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
12940 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
12942 * genconditions.c (write_header, write_one_condition)
12943 (write_conditions, write_writer): Consolidate very long strings
12944 that were broken up to fit in C89 portable limit. Don't use
12945 printf when fputs will do.
12947 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
12949 * combine.c (simplify_comparison <AND>): Check
12950 TRULY_NOOP_TRUNCATION before start using a subreg.
12952 * config/mips/mips.md (*branch_zero<mode>,
12953 *branch_zero<mode>_inverted, *branch_equality<mode>,
12954 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
12955 Remove mode check from comparisons.
12957 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
12959 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
12961 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12963 * expmed.c (const_mult_add_overflow_p): Remove.
12964 * expr.h: Remove the prototype for const_mult_add_overflow_p.
12966 * recog.c (validate_replace_rtx_subexp): Remove.
12967 * recog.h: Remove the prototype for
12968 validate_replace_rtx_subexp.
12970 * integrate.h: Remove the prototype for
12971 copy_decl_for_inlining.
12972 * rtl.h: Remove the prototype for mark_constant_function.
12973 * tree-vectorizer.h: Remove the prototype for
12974 vect_strip_conversion.
12976 * modulo-sched.c (create_partial_schedule,
12977 free_partial_schedule, reset_partial_schedule): Make them
12980 * hooks.c (hook_bool_rtx_int_false): Remove.
12981 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
12983 2006-01-28 David Edelsohn <edelsohn@gnu.org>
12985 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12986 and -mlong-double-128 are incompatible.
12987 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
12988 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
12989 (TARGET_LIBGCC2_CFLAGS): Define.
12990 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
12991 (TARGET_LIBGCC2_CFLAGS): Same.
12992 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
12994 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12997 * c-typeck.c (build_binary_op): Perform implicit casts of
12998 operands before shortening them.
13000 * cfgloopmanip.c (split_loop_bb): Remove.
13001 * cfgloop.h: Remove the prototype for split_loop_bb.
13003 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13004 * cfgloop.h: Remove the prototype for
13005 flow_loop_outside_edge_p.
13007 * emit-rtl.c (init_virtual_regs): Make it static.
13008 * function.h: Remove the prototype for init_virtual_regs.
13010 * recog.c (peephole2_optimize): Make it static.
13011 * recog.h: Remove the prototype for peephole2_optimize.
13013 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13015 * df-scan.c (df_record_entry_block_defs): Check if
13016 INCOMING_RETURN_ADDR_RTX is defined.
13018 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
13019 Kenneth Zadeck <zadeck@naturalbridge.com>
13021 PR rtl-optimization/24762
13022 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13023 * targhooks.c (hook_void_bitmap): New hook prototype.
13024 * targhoohs.h (hook_void_bitmap): Ditto.
13025 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
13026 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
13027 * target.h (live_on_entry): New function pointer.
13028 * df-scan.c (df_all_hard_regs): Removed.
13029 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
13030 (df_scan_free_internal): Added df->entry_block_defs.
13031 (df_scan_alloc): Ditto.
13032 (df_scan_dump): Ditto.
13033 (df_uses_record): Plumbed flag field properly thru calls.
13034 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
13035 This part fixes PR24762.
13036 (df_bb_refs_record): Added code to make the frame and arg
13037 pointers live in EH blocks.
13038 (df_refs_record): Added call to df_record_entry_block_defs.
13039 (df_record_entry_block_defs): New function.
13040 * df-core.c: Added comments to describe new artifical defs.
13041 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
13042 (entry_block_defs): New field in struct df.
13043 (df_all_hard_regs): Deleted.
13044 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13045 * df-problems.c (df_ru_bb_local_compute_process_def):
13046 Added code to handle artifical defs in the entry to a function.
13047 (df_ru_bb_local_compute): Ditto.
13048 (df_rd_bb_local_compute_process_def): Ditto.
13049 (df_rd_bb_local_compute): Ditto.
13050 (df_lr_bb_local_compute): Ditto.
13051 (df_ur_bb_local_compute): Ditto.
13052 (df_urec_bb_local_compute): Ditto.
13053 (df_chain_create_bb): Ditto.
13054 (df_ur_local_finalize): Removed entry.
13055 (df_urec_init): Ditto.
13056 (df_urec_local_finalize): Ditto.
13057 (df_ri_bb_compute): Added detection of last use of pseudos.
13058 * Makefile.in (df-scan.o): Updated dependencies.
13059 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
13060 * config/mips/mips.c (mips_set_live_on_entry): Added.
13061 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
13063 * dce.c (marked_insn_p): Added code to handle artifical defs.
13065 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13067 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
13069 (_mm_cvtsi128_si64): Likewise.
13070 (_mm_cvtsd_si64): Likewise.
13071 (_mm_cvttsd_si64): Likewise.
13072 (_mm_cvtsi64_sd): Likewise.
13073 (_mm_cvtsi64_si128): Likewise.
13074 * config/i386/mmintrin.h (_m_from_int64): Likewise.
13075 (_mm_cvtsi64_m64): Likewise.
13076 (_m_to_int64): Likewise.
13077 (_mm_cvtm64_si64): Likewise.
13078 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
13079 (_mm_cvttss_si64): Likewise.
13080 (_mm_cvtsi64_ss): Likewise.
13081 (_mm_cvtss_f32): Likewise.
13083 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
13085 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
13086 for pragma redefine_extname.
13088 2006-01-27 Jakub Jelinek <jakub@redhat.com>
13091 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
13092 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
13093 -mno-minimal-toc to previous content.
13094 (bispecs): Remove goal.
13095 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
13096 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
13097 compatibility aliases on powerpc-*-*gnu*.
13098 * config/rs6000/libgcc-ppc-glibc.ver: New file.
13099 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
13100 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
13101 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
13102 (ldblspecs): New goal.
13103 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
13104 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
13106 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
13107 L_sf_to_tf or L_df_to_tf is defined.
13109 2006-01-27 David Edelsohn <edelsohn@gnu.org>
13110 Alan Modra <amodra@bigpond.net.au>
13113 * config/rs6000/linux.h (POWERPC_LINUX): Define.
13114 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
13115 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
13116 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
13117 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
13118 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
13119 (rs6000_override_options): Initialize rs6000_ieeequad.
13120 Initialize TFmode format to ibm_extended_format if not
13122 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
13124 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
13125 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
13126 (function_arg_advance): IBM long double passed in two FPRs, not
13128 (function_arg): IBM long double passed in FPRs.
13129 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
13130 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
13131 Only multireg GPR aligned.
13132 (rs6000_init_libfuncs): Enable IBM long double functions if not
13134 (rs6000_generate_compare): Use IBM long double compare if not
13136 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
13137 (TARGET_IEEEQUAD): Define.
13138 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
13139 not TARGET_IEEEQUAD.
13140 * config/rs6000/rs6000.md: Enable TFmode patterns if
13142 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
13143 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13144 and -mlong-double-128 are incompatible.
13145 * doc/invoke.texi (-mabi): Collect options together. Add
13146 ibmlongdouble and ieeelongdouble.
13148 2006-01-27 Richard Sandiford <richard@codesourcery.com>
13150 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
13152 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
13153 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
13154 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
13155 * rtl.h (rtunion_def): Remove rt_ptr.
13157 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
13158 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
13159 * config/i386/winnt.c (i386_pe_mark_dllexport)
13160 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
13162 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
13164 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
13166 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13170 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
13171 pthread_key_delete. From John David Anglin. gthrw-ify
13172 pthread_getunique_np only if it it's not a macro. Delete
13174 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
13175 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
13176 __gthread_objc_condition_signal, __gthread_key_delete): Add
13177 "__attribute__ ((__unused__))" to unused arguments.
13178 (__gthread_recursive_mutex_init_function): Add missing return.
13179 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
13180 gthr-posix95.h: Use macro-based approach for name redirection
13181 on targets missing weakref.
13183 2006-01-26 Zack Weinberg <zackw@panix.com>
13185 * genconditions.c (write_header): In generated code, #ifdef out
13186 all includes and fake declarations, except includes of bconfig.h
13187 and system.h, unless GCC_VERSION >= 3001. Do not include
13188 gensupport.h in any case.
13189 (write_conditions): Generate a definition of struct c_test. Add
13190 a comment to the generated #endif.
13191 (write_one_condition): Escape backslashes in string too.
13192 (write_writer): Generated code must escape backslashes and quote
13193 marks (but not newlines) in the strings it writes.
13194 * Makefile.in (build/gencondmd.o): Update dependencies.
13196 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13199 * Makefile.in (insn-automata.o): Add header file dependencies.
13200 * genautomata.c: Add includes.
13202 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13205 * Makefile.in (insn-automata.o): Add -Wno-error flag.
13207 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13209 * configure.ac: Expect target tools paths to be passed from the toplevel
13210 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
13212 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
13214 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13217 * c.opt (Wpointer-sign): Init to -1.
13218 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
13219 OPT_pedantic, to 0 otherwise.
13220 * doc/invoke.texi: Update.
13222 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13224 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
13225 constants provided by 80387 instructions in the destination mode.
13227 2006-01-26 Richard Guenther <rguenther@suse.de>
13228 Andrew Pinski <pinskia@physics.uc.edu>
13231 partial PR tree-opt/17064
13232 * tree-ssa-structalias.c (intra_create_variable_infos):
13233 Create heap variables for incoming parameters if
13234 flag_argument_noalias > 1.
13235 (find_what_p_points_to): Look through default defs of
13238 2006-01-26 Jeff Law <law@redhat.com>
13241 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
13242 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
13243 within the VR_RANGE, use the VR_RANGE as the result, not the
13245 (adjust_range_with_scev): Reject ranges from SCEV which are out of
13246 bounds for the type.
13248 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
13250 * tree-ssa-alias.c (maybe_create_global_var): Change
13251 subvar walking to an assertion that we don't have subvar'd variables.
13253 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
13256 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
13257 Use a new variable, inner. PARM_DECLs are always non-weak.
13259 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
13261 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
13262 --disable-checking.
13264 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
13266 * config/mips/mips.md (*clear_upper32): New combiner pattern.
13268 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
13270 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
13271 (smax_insn, smin_insn, smax_0, smin_0): New.
13273 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
13276 * config/cris/cris.c (cris_order_for_addsi3): New function.
13277 * config/cris/cris-protos.h: Prototype it.
13278 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
13279 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
13280 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
13281 (split for "op.S1 [rx=rx+i],ry (swapped)")
13282 (split for "op(s|u).S1 [rx=rx+i],ry")
13283 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
13284 Apply cris_order_for_addsi3 when generating addsi3 insns.
13286 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13288 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
13289 (TREE_BLOCK): Add call to EXPR_CHECK.
13291 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13294 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
13295 * tree-pretty-print.c (dump_omp_clause): Extract from ...
13296 (dump_omp_clauses): ... here.
13297 (dump_generic_node): Handle OMP_CLAUSE.
13298 * tree.c (omp_clause_num_ops): New.
13299 (omp_clause_code_name): New.
13300 (tree_code_size): Handle OMP_CLAUSE.
13301 (tree_size): Likewise.
13302 (make_node): Document handling of OMP_CLAUSE.
13303 (tree_node_structure): Handle OMP_CLAUSE.
13304 (omp_clause_check_failed): New.
13305 (omp_clause_range_check_failed): New.
13306 (omp_clause_operand_check_failed): New.
13307 (build_omp_clause): New.
13308 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
13309 * tree.h (enum omp_clause_code): Declare.
13310 (OMP_CLAUSE_SUBCODE_CHECK): Define.
13311 (OMP_CLAUSE_RANGE_CHECK): Define.
13312 (OMP_CLAUSE_ELT_CHECK): Define.
13313 (omp_clause_check_failed): Declare.
13314 (omp_clause_operand_check_failed): Declare.
13315 (omp_clause_range_check_failed): Declare.
13316 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
13317 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
13318 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
13319 (OMP_CLAUSE_LASTPRIVATE): Likewise.
13320 (OMP_CLAUSE_IF_EXPR): Likewise.
13321 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
13322 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
13323 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
13324 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
13325 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
13326 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
13327 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
13328 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
13329 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
13330 (OMP_CLAUSE_CODE): Define.
13331 (OMP_CLAUSE_SET_CODE): Define.
13332 (OMP_CLAUSE_CODE): Define.
13333 (OMP_CLAUSE_OPERAND): Define.
13334 (struct tree_omp_clause): Declare.
13335 (union tree_node): Add field 'omp_clause'.
13336 * treestruct.def (TS_OMP_CLAUSE): Define.
13337 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
13338 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
13339 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
13340 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
13341 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
13342 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
13343 (OMP_CLAUSE): Define.
13344 * print-tree.c (print_node): Handle OMP_CLAUSE.
13345 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
13346 * c-typeck.c: Likewise.
13347 * gimplify.c: Likewise.
13348 * c-omp.c: Likewise.
13349 * tree-nested.c: Likewise.
13350 * tree-inline.c: Likewise.
13351 * c-parser.c: Likewise.
13352 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
13355 2006-01-25 Roger Sayle <roger@eyesopen.com>
13357 PR rtl-optimization/25703
13358 * combine.c (try_combine): Handle zero_extract and strict_low_part
13359 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
13361 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
13363 * global.c: Fix comment typos.
13365 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
13368 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
13369 Use output_addr_const instead of assemble_name.
13371 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
13373 * Makefile.in (sched-vis.o): Update dependencies.
13374 * haifa-sched.c (sched_finish): Clear current_sched_info.
13375 * cfg.c (dump_bb_info): New, split from dump_flow_info.
13376 (dump_flow_info): Call it.
13377 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
13379 * basic-block.h (dump_bb_info): Declare.
13380 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
13381 option, and apply options only for dump files whose TDF_RTL,
13382 TDF_TREE, or TDF_IPA bits match.
13383 * rtl.h: Declare new functions exported from sched-vis.c.
13384 * sched-vis.c: Enable also if scheduling is not used.
13385 (print_value): Print the mode of registers if not inside scheduling.
13386 (print_insn): Make it work outside the scheduler. Beautify the output
13388 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
13390 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13392 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
13393 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
13394 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
13395 depending on the value of CONSTANT_POOL_ADDRESS_P.
13396 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
13398 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
13399 rather than SYMBOL_REF_DECL.
13400 (rtx_constant_pool): Remove const_rtx_sym_htab.
13401 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
13402 (init_varasm_status): Don't initialize const_rtx_sym_htab.
13403 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
13404 Remove handling of const_rtx_sym_htab.
13405 (find_pool_constant): Delete.
13406 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
13407 rather than find_pool_constant.
13408 (get_pool_constant_for_function): Delete.
13409 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
13410 find_pool_constant.
13411 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
13412 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
13413 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
13414 (SYMBOL_REF_CONSTANT): New macro.
13415 (get_pool_constant_for_function): Delete.
13416 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
13417 rather than SYMBOL_REF_DECL.
13418 (i386_pe_mark_dllimport): Likewise.
13419 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
13420 rather than SYMBOL_REF_DECL.
13421 * config/darwin.c (machopic_indirect_data_reference): Likewise.
13422 (machopic_indirect_call_target): Likewise.
13424 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
13426 * flow.c (delete_noop_moves): Add missing EOL to dump message.
13428 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13430 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
13432 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
13434 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
13436 2006-01-24 David Daney <ddaney@avtrex.com>
13439 * configure.ac (enable_tls): New enable option.
13440 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
13441 * configure: Regenerate.
13442 * doc/install.texi (--enable-tls): Document new option.
13443 (--disable-tls): Ditto.
13445 2006-01-24 Richard Henderson <rth@redehat.com>
13447 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
13448 * alias.c (true_dependence): Respect it.
13449 (canon_true_dependence, write_dependence_p): Likewise.
13450 * builtins.c (get_builtin_sync_mem): Set it.
13452 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
13454 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
13457 2006-01-24 DJ Delorie <dj@redhat.com>
13459 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
13460 for storing constants in single-bit bitfields.
13462 2006-01-25 Ben Elliston <bje@au.ibm.com>
13464 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
13466 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
13469 * tree-ssa-pre.c (phi_translate): Return NULL
13470 for AGGREGATE_TYPE's.
13472 2006-01-24 Zack Weinberg <zackw@panix.com>
13474 * genautomata.c (process_state_for_insn_equiv_partition):
13475 Use xcalloc for insn_arcs_array.
13476 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
13477 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
13479 2006-01-24 Richard Henderson <rth@redhat.com>
13481 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
13482 update all callers.
13484 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
13486 PR rtl-optimization/25890
13487 PR rtl-optimization/25905
13488 * combine.c (expand_compound_operation, expand_field_assignment):
13489 Fail if the bitfield's final position is out of bounds.
13491 2006-01-24 Ian Lance Taylor <ian@airs.com>
13493 PR middle-end/25930
13494 * cgraphunit.c (cgraph_output_in_order): Don't clear
13495 cgraph_asm_nodes until after asm strings have been output.
13497 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
13499 * fix-header.c (read_scan_file): Add new parameter imultilib when
13500 calling register_include_chains.
13502 2006-01-23 Diego Novillo <dnovillo@redhat.com>
13504 * omp-low.c: Update documentation.
13506 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13507 Daniel Berlin <dberlin@dberlin.org>
13511 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
13512 return from the function.
13514 2006-01-22 Zack Weinberg <zackw@panix.com>
13516 * rtl.def (match_code): Add second argument.
13517 * genpreds.c (write_extract_subexp): New function.
13518 (write_match_code): Add path argument. Use write_extract_subexp.
13519 (write_predicate_expr): Pass path to write_match_code.
13520 (mark_mode_tests): MATCH_CODE applied to a subexpression does
13521 not perform a mode test.
13522 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
13523 a subexpression does not constrain the top-level code set.
13524 * read-rtl.c (read_rtx_variadic): New function.
13525 (read_rtx_1): Use it; allow AND and IOR to be variadic.
13526 * doc/md.texi: Document new notation.
13527 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
13528 (cmpsi_operand): ... here, using new notation.
13530 2006-01-22 Zack Weinberg <zackw@panix.com>
13532 * varray.c: Remove GENERATOR_FILE #ifdefs.
13534 2006-01-22 Zack Weinberg <zackw@panix.com>
13536 * genautomata.c (output_reserved_units_table): Emit nothing if
13537 description->query_units_num is zero. Remove extra blank line.
13538 (output_cpu_unit_reservation_p): Short circuit
13539 if description->query_units_num is zero.
13541 2006-01-22 Zack Weinberg <zackw@panix.com>
13543 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
13544 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
13545 nor any of the random handful of variables that used to be necessary
13546 when this program was linked with rtlanal.o. Prune set of forward
13547 function declarations.
13548 (struct attr_desc): Remove static_p field.
13549 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
13550 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
13551 (attr_string): Do not read the character one past the length of
13553 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
13554 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
13555 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
13556 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
13557 (make_automaton_attrs): New.
13558 (main): Do not call into genautomata. Call local gen_bypass
13559 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
13560 Remove special case for insn_alts.
13561 * genautomata.c: Include gensupport.h; not genattrtab.h nor
13562 varray.h (leftover from previous change). Prune set of forward
13563 function declarations. Remove state_alts fields from all
13564 structures. Remove state_alts_table from struct automaton.
13565 Make everything except main static. Do not maintain num_dfa_decls.
13566 Do not maintain state_alts fields of various structures.
13567 (process_decls): Don't validate condexp for dm_insn_reserv decls.
13568 (add_arc): Remove state_alts argument. All callers updated.
13569 (output_reserved_units_table): Emit #ifdef here...
13570 (output_tables): ...not here. Don't generate state_alts tables.
13571 (expand_automata): Don't generate attributes.
13572 (write_automata): Don't generate state_alts functions.
13573 (main): New function.
13574 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
13575 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
13576 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
13577 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
13578 (BYPASS_P_FUNC_NAME, output_state_alts_table)
13579 (output_automata_list_state_alts_code, output_internal_state_alts_func)
13580 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
13581 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
13583 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
13584 * genattrtab.h: Delete file.
13585 * Makefile.in (OBJS-common): Add insn-automata.o.
13586 (insn-automata.o): New rule.
13587 (simple_generated_c): Add insn-automata.c.
13588 (build/genattrtab.o, build/genautomata.o): Update dependencies.
13589 (genprogmd): Add automata.
13590 (build/genattrtab): Needs no extra objects nor libraries.
13591 (build/genautomata): Needs build/vec.o and -lm.
13593 2006-01-22 Zack Weinberg <zackw@panix.com>
13595 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
13596 (output_dfa_max_issue_rate, locked_states_num): Delete.
13597 (struct automaton): Add locked_states field.
13598 (output_dead_lock_vect): Save number of locked states in
13599 automaton->locked_states. If it is zero, don't print anything.
13600 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
13601 (output_internal_dead_lock_func): Only test the dead_lock_vect
13602 for automata that have locked states.
13603 (output_statistics): Always print the number of locked states for
13604 each automaton. Calculate total number of locked states here.
13605 (write_automata): Don't call output_dfa_max_issue_rate.
13606 * genattrtab.c: Define length_unit_log as a const variable.
13607 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
13608 max_insn_queue_index const.
13609 * final.c (length_unit_log): Declare const.
13610 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
13612 2006-01-22 Zack Weinberg <zackw@panix.com>
13614 * genautomata.c: Include vec.h, not varray.h.
13615 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
13616 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
13617 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
13618 VEC_* macros operating on appropriately typed vectors, or to
13619 malloced arrays when the size is known in advance. Const-ify
13620 many char* variables and function arguments. No functional changes.
13621 * Makefile.in (build/varray.o): Delete rule.
13622 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
13623 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
13625 2006-01-22 Zack Weinberg <zackw@panix.com>
13627 * gensupport.c: Define get_insn_name and record_insn_name here.
13628 (read_md_rtx): Call record_insn_name as appropriate.
13629 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
13630 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
13631 * genpreds.c, genrecog.c: Don't define get_insn_name nor
13633 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
13634 (BUILD_VARRAY): Delete.
13635 (genprognormal): Rename genprogmd. Fold in all programs from
13636 genprognoprint; also attrtab.
13637 (build/genattrtab): Just mention genautomata.o and varray.o.
13638 Reorganize a bit, add comments to make the categories clearer.
13640 2006-01-22 Zack Weinberg <zackw@panix.com>
13642 * genconditions.c (condition_table, add_condition): Delete.
13643 (write_conditions): Don't emit n_insn_conditions nor
13644 insn_elision_unavailable. Issue the gcc version #ifdef here,
13645 inside the table, with no #else clause ...
13646 (write_header): ...not here.
13647 (write_writer): New function.
13648 (main): Don't initialize condition_table. Use add_c_test.
13650 * gensupport.c (init_md_reader_args_cb): Handle multiple input
13651 files on the command line.
13652 (maybe_eval_c_test): Don't check insn_elision_unavailable.
13653 Return -1 if there is no entry in the table, don't abort.
13654 (add_c_test, traverse_c_tests): New functions.
13655 * gensupport.h (insn_elision_unavailable, insn_conditions)
13656 (n_insn_conditions): Delete declarations.
13657 (add_c_test, traverse_c_tests): Declare.
13658 * read-rtl.c: Include gensupport.h.
13659 (read_conditions): New function.
13660 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
13661 (read_rtx_1): If we get EOF when we were looking for an initial
13662 open paren, return 0. Call read_conditions when appropriate.
13663 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
13664 dummy-conditions.o. Eliminate references to insn-conditions.o,
13665 or change them to build/gencondmd.o, as appropriate. Remove
13666 insn-constants.h from $(simple_generated_h) and insn-conditions.c
13667 from $(simple_generated_c). For all files remaining in those
13668 two lists, add insn-conditions.md to the generator command line.
13669 Give insn-constants.h/s-constants their own rules. Add rules
13670 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
13671 (build/read-rtl.o): Depend on gensupport.h.
13672 (genprognormal): Include preds.
13673 (genprogearly): Rename genprognoprint; only difference is now that
13674 they don't link with $(BUILD_PRINT).
13675 * dummy-conditions.c: Delete.
13677 2006-01-22 Zack Weinberg <zackw@panix.com>
13679 * genextract.c: Don't include insn-config.h. Do include vec.h.
13680 Declare vectors of int, char, and locstr.
13681 (locstr): New typedef.
13682 (struct extraction): Make all array fields into bare pointers.
13683 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
13684 (insn_code_number): Delete.
13685 (accum_extract): New struct.
13686 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
13687 (gen_insn): Take insn_code_number as an argument. Use an
13688 accum_extract structure instead of loading data directly into
13689 a struct extraction, and having to know how big it might get.
13690 (walk_rtx): Operate entirely on an accum_extract structure.
13691 (print_path): Avoid unnecessary use of printf.
13692 (print_header): New function, split out of main. Distinguish
13693 more carefully between an unrecognizable insn and an insn that
13694 has the code number of a define_expand.
13695 (main): Pass insn_code_number to gen_insn. Call print_header
13696 only after parsing. Avoid unnecessary use of printf.
13697 * Makefile.in (build/vec.o): New rule.
13698 (build/genextract): Depend on build/vec.o.
13699 (build/genextract.o): Don't depend on insn-config.h.
13701 2006-01-22 Zack Weinberg <zackw@panix.com>
13703 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
13704 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
13705 practical. Eliminate per-generator-program link rules.
13707 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13709 PR middle-end/24437
13710 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
13711 with a call expr to ...
13712 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
13714 2006-01-23 Richard Guenther <rguenther@suse.de>
13716 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
13717 before make_edge with conditional EDGE_TRUE_VALUE.
13719 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
13720 Jan Hubicka <jh@suse.cz>
13721 Richard Guenther <rguenther@suse.de>
13723 PR rtl-optimization/25654
13724 * cfgexpand.c (aggregate_contains_union_type): New function.
13725 (add_alias_set_conflicts): Call it. Make sure to add conflicts
13726 for structure variables that contain a union type.
13728 2006-01-23 Richard Sandiford <richard@codesourcery.com>
13730 * gengtype.c (new_structure): Return the structure.
13731 (create_option): Add an extra "next" argument.
13732 (create_field): New function.
13733 (adjust_field_rtx_def): Use create_option and create_field.
13734 Remove a now-unnecessary call to find_structure.
13735 (adjust_field_tree_def): Likewise.
13736 (note_yacc_type): Remove an unnecessary call to find_structure.
13737 * gengtype.h (new_structure): Return the structure.
13738 (create_option): Add an extra argument.
13739 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
13740 (option): Adjust calls to create_option.
13742 2006-01-22 David Edelsohn <edelsohn@gnu.org>
13744 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
13746 2006-01-22 Paul Brook <paul@codesourcery.com>
13747 Peter Barada <peter@the-baradas.com>
13749 * config/m68k/m68k.md: Add Coldfire FPU support.
13750 Define FP mode macro and associated attributes.
13751 Use it for float mode patterns.
13752 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
13753 (LIBCALL_VALUE): Use m68k_libcall_value.
13754 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
13755 (m68k_function_value): Ditto.
13756 (emit_move_sequence): Ditto.
13757 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
13758 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
13759 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
13760 (MULTILIB_EXCEPTIONS): Ditto.
13761 * config/m68k/m68k.opt: Add mcfv4e.
13762 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
13763 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
13764 (m68k_output_function_prologue): Save ColdFire FPU registers.
13765 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
13766 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
13767 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
13768 ColdFire FPU registers.
13769 (m68k_libcall_value, m68k_function_value): New functions.
13770 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
13771 (LIBCALL_VALUE): Use m68k_libcall_value.
13772 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
13773 (MASK_COLDFIRE): Add MASK_CFV4E.
13774 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
13775 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
13776 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
13777 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
13778 (GO_IF_LEGITIMATE_ADDRESS): Use it.
13779 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
13780 * doc/invoke.tex: Document -mcfv4e on m68k.
13782 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
13784 * doc/contribute.texi: Change CVS to SVN and update the corresponding
13787 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
13790 * c-opts.c (c_common_handle_option): Don't include
13791 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
13792 * doc/invoke.texi (C++ Dialect Options): Document that
13793 -Wnon-virtual-dtor is no longer included in -Wall.
13795 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
13797 * gcov.c (print_version), gcov-dump.c (print_version),
13798 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
13801 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
13803 * df-scan.c (problem_SCAN): Added NULL reset function.
13804 (df_scan_reset_blocks): Added code to call reset block function
13805 (df_bb_refs_delete) Fixed comment.
13806 (df_insn_refs_delete): Made tolerant of deleting non existent info
13807 for dataflow problems that need to be reset.
13808 * df-core.c (df_set_blocks): Ditto.
13809 * df.h (struct df_problem): Added reset_fun.
13810 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
13811 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
13812 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
13813 functions to clear out all references to def-use or use-def chains.
13815 2006-01-21 Ben Elliston <bje@au.ibm.com>
13817 * varasm.c (assemble_real): Initialise data array.
13819 2006-01-20 Paul Brook <paul@codesourcery.com>
13821 Merge from csl-arm-branch.
13822 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
13823 * config/arm/arm.md (movdi): Force operands[1] to a register
13824 if we have a non-register source.
13825 (*arm_movdi, *movdf_soft_insn): Require that one of the
13826 operands be a register.
13827 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
13828 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
13830 2006-01-20 DJ Delorie <dj@redhat.com>
13832 * varasm.c (initializer_constant_valid_p): Allow pointers
13833 initialized from integer constants of lesser precision.
13834 (output_constant): Allow non-int-sized pointer modes to be
13835 initialized from integer constants.
13837 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
13840 * cppdefault.h (struct default_include): Add multilib flag.
13841 * cppdefault.c (cpp_include_defaults): Set it.
13842 * c.opt (-imultilib): New option.
13843 * c-opts.c (imultilib): New.
13844 (c_common_handle_option): Handle -imultilib.
13845 (c_common_post_options): Likewise.
13846 * c-incpath.c (add_standard_paths, register_include_chains):
13848 * c-incpath.h (register_include_chains): Add extra parameter.
13849 * gcc.c (do_spec_1): Generate -imultilib option.
13850 (The Specs Language): Update %I description.
13851 (process_command): Update copyright notice.
13852 * doc/cppopts.texi (-imultilib): Document.
13853 * doc/invoke.texi (-imultilib): Include in option summary.
13854 (%I): Update specs documentation.
13856 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13858 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
13860 2006-01-20 Richard Sandiford <richard@codesourcery.com>
13862 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
13865 2006-01-20 Richard Guenther <rguenther@suse.de>
13866 Steven Bosscher <stevenb.gcc@gmail.com>
13868 PR rtl-optimization/24626
13869 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
13870 EDGE_TRUE_VALUE if in RTL mode.
13873 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
13874 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
13876 2006-01-20 Dirk Mueller <dmueller@suse.com>
13879 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
13880 instead of a special NOP marker.
13881 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
13882 NOP marker handling.
13883 * c-common.h (empty_body_warning): Add forward declaration.
13884 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
13885 Now uses IS_EMPTY_STMT() instead of special NOP markers.
13887 2006-01-20 Paul Brook <paul@codesourcery.com>
13889 * Makefile.in (lang_checks): Keep going if mkdir fails.
13891 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13893 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
13894 be able to clean out basic block when not necessary.
13895 (df_scan_free): Fixed to properly delete information if df is
13896 unused before calling df_finish.
13897 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
13898 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
13900 (df_bb_refs_delete): New function.
13901 (df_refs_delete): Moved per block code to df_bb_refs_delete.
13902 * df-core.c (df_set_blocks): Added code to properly clean out
13903 unused blocks if they are not part of the blocks to consider.
13904 Added additional null check.
13905 (df_compact_blocks): Added basic block parameter to free_bb_fun to
13906 be able to clean out basic block when not necessary
13907 * df.h (df_free_bb_function): Ditto.
13908 (df_bb_refs_delete): New function.
13909 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
13910 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
13911 basic block parameter to be able to clean out basic block when not
13913 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
13914 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
13915 Fixed to properly delete information if df is unused before
13918 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13920 PR rtl-optimization/25799
13921 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
13922 Corrected confluence operator to remove bits from op2 before oring
13923 with op1 rather than removing bits from op1.
13924 (df_ru_transfer_function): Corrected test on wrong bitmap which
13925 caused infinite loop. Both of these problems were introduced in
13926 the dataflow rewrite.
13928 2006-01-19 DJ Delorie <dj@redhat.com>
13930 * reload1.c (find_reload_regs): Note the details of reload
13931 failures in the dump file.
13932 (spill_failure): Likewise.
13934 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13936 * loop-iv.c: Include df.h and hashtab.h.
13937 (enum iv_grd_result): New enum.
13938 (DF_REF_IV, DF_REF_IV_SET): New macros.
13939 (struct biv_entry): New.
13940 (df, bivs): New global variables.
13941 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
13942 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
13944 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
13945 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
13946 analyzed_for_bivness_p, record_biv): New functions.
13947 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
13948 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
13949 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
13951 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
13953 (iv_number_of_iterations): Use new interface to iv analysis.
13954 * loop-unroll.c: Do not include varray.h.
13955 (analyze_iv_to_split_insn): Use new interface to iv
13957 * loop-unswitch.c (may_unswitch_on): Ditto.
13958 * df.c (df_bitmaps_free): Only work for bbs for that structures are
13960 (df_bb_modify): Realloc tables to the new index.
13961 (df_find_use): New function.
13962 * df.h (df_find_use): Declare.
13963 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
13965 * cfgloop.h (struct rtx_iv): Remove analysed field.
13966 (iv_get_reaching_def): Removed.
13967 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
13968 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
13969 (loop-iv.o): Add df.h and hashtab.h dependency.
13970 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
13972 2006-01-20 Alan Modra <amodra@bigpond.net.au>
13975 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
13977 (__floatundisf, __floatundidf): Likewise.
13978 * libgcc2.h (IS_IBM_EXTENDED): Define.
13980 2006-01-19 DJ Delorie <dj@redhat.com>
13982 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
13984 2006-01-19 Paul Brook <paul@codesourcery.com>
13986 * config/arm/arm.c (arm_compute_func_type): Treat all functions
13987 as nothrow when unwinding tables are disabled.
13989 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13992 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
13993 of bit-field" when in system header.
13995 2006-01-19 DJ Delorie <dj@redhat.com>
13997 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
13998 the 16 bit shift limit of the m16c.
14000 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14003 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14004 * config/i386/i386.c (output_set_got): Output the label if we have one
14005 for the TARGET_DEEP_BRANCH_PREDICTION case.
14007 2006-01-19 Jan Hubicka <jh@suse.cz>
14008 H.J. Lu <hongjiu.lu@intel.com>
14009 Evandro Menezes <evandro.menezes@amd.com>
14011 * invoke.texi (generic): Document
14013 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
14014 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
14015 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
14016 (x86_use_incdec, x86_pad_returns): New variables
14017 (TARGET_CPU_DEFAULT_generic): New constant
14018 (TARGET_CPU_DEFAULT_NAMES): Add generic.
14019 (enum processor_type): Add generic32 and generic64.
14020 * i386.md (cpu attribute): Add generic32/generic64
14021 (movhi splitter): Behave sanely when both partial_reg_dependency and
14022 partial_reg_stall are set.
14023 (K8 splitters): Enable for generic as well.
14024 * predicates.md (incdec_operand): Use TARGET_INCDEC
14025 (aligned_operand): Avoid memory mismatch stalls.
14026 * athlon.md: Enable for generic64, new patterns for 128bit moves.
14027 * ppro.md: Enable for generic32
14028 * i386.c (generic64_cost, generic32_cost): New.
14029 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
14030 (x86_use_leave): Enable for generic64. (x86_use_sahf,
14031 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
14032 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
14033 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
14034 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
14035 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14036 x86_accumulate_outgoing_args, x86_prologue_using_move,
14037 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
14038 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
14039 Enable for generic.
14040 (x86_use_incdec, x86_pad_returns): New.
14041 (override_options): Add generic32 and generic64, translate "generic"
14042 to generic32/generic64 and "i686" to "generic32", refuse
14043 "generic32"/"generic64" as arch target.
14044 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
14045 (ix86_reorg): Honor PAD_RETURNS.
14047 2006-01-19 Diego Novillo <dnovillo@redhat.com>
14049 * tree-pretty-print.c (dump_generic_node): Handle
14050 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
14051 * cgraph.c (cgraph_expand_queue): Rename from
14052 cgraph_analyze_queue. Update all users.
14053 * cgraphunit.c (cgraph_assemble_pending_functions): Process
14054 cgraph_expand_queue.
14055 (cgraph_expand_all_functions): Likewise.
14056 (cgraph_finalize_pending_functions): Remove. Update callers.
14058 * tree.h (OMP_DIRECTIVE_P): Define.
14059 (OMP_PARALLEL_FN): Define.
14060 (OMP_PARALLEL_DATA_ARG): Define.
14061 (OMP_SECTIONS_SECTIONS): Define.
14062 * tree-pass.h (pass_expand_omp): Declare.
14063 * omp-low.c (struct omp_region): Declare.
14064 (struct omp_context): Remove fields 'parallel_type',
14065 'parallel_start_ix' and 'parallel_start_additional_args'.
14067 (struct omp_for_data): Rename from struct expand_omp_for_data.
14068 (omp_regions): New static variable.
14069 (root_omp_region): New static variable.
14070 (find_omp_clause): Make static.
14071 (is_in_combined_parallel_ctx): Remove.
14072 (is_combined_parallel): New.
14073 (extract_omp_for_data): Move earlier in the file.
14074 (workshare_safe_to_combine_p): New.
14075 (get_ws_args_for): New.
14076 (determine_parallel_type): Move earlier in the file.
14077 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
14079 (omp_copy_decl): Likewise.
14080 (create_omp_child_function): Likewise.
14081 (lookup_omp_region): New.
14082 (dump_omp_region): New.
14083 (debug_omp_region): New.
14084 (debug_all_omp_regions): New.
14085 (new_omp_region): New.
14086 (scan_omp_parallel): If parallel_nesting_level > 1, the
14087 directive is nested within another parallel directive.
14088 Set OMP_PARALLEL_FN.
14089 (scan_omp_for): Do not try to handle combined parallel+for
14091 Remove FIXME comment.
14092 (scan_omp_nested): Remove.
14093 (scan_omp_1): Do not call scan_omp_nested when
14094 parallel_nesting_level is > 1.
14095 Do not change the DECL_CONTEXT of local variables found.
14096 (lookup_decl_in_outer_ctx): New.
14097 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
14098 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
14099 (lower_reduction_clauses): Rename from expand_reduction_clauses.
14100 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
14101 If CTX is nested, lookup VAR in the outer context when
14102 building copy assignment.
14103 (lower_send_clauses): Rename from expand_send_clauses.
14104 If CTX is nested, lookup VAR in the outer context when
14105 building copy assignments.
14106 (lower_send_shared_vars): Rename from expand_send_shared_vars.
14107 If CTX is nested, lookup VAR in the outer context when
14108 building copy assignments.
14109 (expand_parallel_call): Rename from build_parallel_call.
14110 Handle combined parallel+workshare cases.
14111 Re-implement to emit code into the CFG.
14113 (expand_omp_parallel): Re-implement to emit code into the CFG.
14114 Call move_sese_region_to_fn to outline the sub-graph
14115 containing the parallel region.
14116 (expand_omp_for_1): Remove.
14117 (expand_omp_for_generic): Re-implement to emit code into the
14119 (expand_omp_for_static_nochunk): Likewise.
14120 (expand_omp_for_static_chunk): Likewise.
14121 (expand_omp_for): Likewise.
14122 (expand_omp_sections): Likewise.
14123 (remove_exit_barriers): New.
14124 (expand_omp_synch): New.
14126 (build_omp_regions_1): New.
14127 (build_omp_regions): New.
14128 (execute_expand_omp): New.
14129 (gate_expand_omp): New.
14130 (pass_expand_omp): Define.
14131 (lower_omp_sections): Rename from expand_omp_sections.
14132 Set OMP_SECTIONS_SECTIONS.
14133 (lower_omp_single_simple): Rename from expand_omp_single_simple.
14134 (lower_omp_single_copy): Rename from expand_omp_single_copy.
14135 (lower_omp_single): Rename from expand_omp_simple.
14136 (lower_omp_master): Rename from expand_omp_master.
14137 (lower_omp_ordered): Rename from expand_omp_ordered.
14138 (lower_omp_critical): Rename from expand_omp_critical.
14139 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
14140 (lower_omp_for): Re-implement.
14141 (lower_omp_parallel): Re-implement.
14142 (lower_regimplify): Rename from expand_regimplify.
14143 (lower_omp_1): Rename from expand_omp_1.
14144 If there are syntax errors in the program, replace every
14145 OpenMP directive with NOP.
14146 Call lower_omp_* instead of expand_omp_*.
14147 (lower_omp): Rename from expand_omp.
14149 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
14150 * tree-gimple.h (enum omp_parallel_type): Remove.
14151 (gimple_boolify): Declare extern.
14152 (find_omp_clause, determine_parallel_type): Remove.
14154 * gimple-low.c (lower_omp_directive): New.
14155 (lower_stmt): Call it.
14156 (record_vars_into): Move from ...
14157 (record_vars): ... here.
14158 Call record_vars_into with current_function_decl.
14160 * gimplify.c (struct gimplify_ctx): Remove fields
14161 combined_pre_p and combined_ctxp. Update users.
14162 (get_formal_tmp_var): Add documentation.
14163 (gimple_boolify): Make extern.
14164 (gimplify_expr_in_ctx): Remove. Update callers.
14165 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
14166 will always be a BIND_EXPR.
14167 (gimplify_expr): Handle OMP_RETURN_EXPR.
14168 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
14169 (OMP_PARALLEL): Add 3 operands.
14170 (OMP_SECTIONS): Add 1 operand.
14171 (OMP_RETURN_EXPR): Define.
14173 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
14174 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
14175 * tree-iterator.c (alloc_stmt_list): Assert that we are not
14176 creating a circular free list.
14177 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
14179 * tree-flow.h (move_sese_region_to_fn): Declare.
14180 (record_vars_into): Declare.
14181 * tree-cfg.c (make_omp_sections_edges): New.
14182 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
14183 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
14184 OMP_SECTIONS and OMP_SECTION.
14185 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
14186 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
14187 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
14188 (gather_blocks_in_sese_region): New.
14189 (struct move_stmt_d): Declare.
14190 (move_stmt_r): New.
14191 (move_block_to_fn): New.
14192 (move_sese_region_to_fn): New.
14194 * passes.c (init_optimization_passes): Schedule
14195 pass_expand_omp after pass_init_datastructures.
14197 * tree-ssa-operands.c (get_expr_operands): Handle
14198 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
14199 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
14201 2006-01-19 Jeff Law <law@redhat.com>
14203 * tree-vrp.c (extract_range_from_assert): Refine the result range
14204 if the variable referenced by the ASSERT_EXPR has a range and
14205 either the tentative result range or the previous range is a
14208 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14210 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
14212 2006-01-19 Jan Hubicka <jh@suse.cz>
14214 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
14216 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
14218 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
14219 (expand_compound_operation, expand_field_assignment): Fail if the
14220 bit lengths of an extract operation are out of range.
14221 (make_extraction): Compute wanted_inner_mode based on the position
14222 and length of the extraction. Make it extraction_mode for non-constant
14223 positions, and do not modify offset in that case. When generating a
14224 new MEM, use a mode that can hold the extraction while keeping correct
14225 alignment. Remove code that supported MEMs wrapped by USEs.
14226 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
14228 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
14230 * config/s390/s390.md ("Y", "y"): New mode attribute.
14231 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
14232 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
14233 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
14234 "*addsi3_imm_cc", "*addsi3_carry1_cc",
14235 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
14236 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
14237 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
14238 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
14239 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
14240 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
14241 "addsi3", "subsi3"): Insn patterns removed.
14242 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
14243 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
14244 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
14245 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
14246 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
14247 "*sub<mode>3_cconly2"): New insn patterns.
14248 ("addsi3", "subsi3"): New expanders.
14250 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
14252 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
14253 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
14254 existing STMT_VINFO_VECTYPE if available.
14255 (vect_mark_relevant): Add special handling for stmts that are
14256 marked as STMT_VINFO_IN_PATTERN_P.
14257 (vect_analyze_loop): Call vect_pattern_recog.
14258 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
14259 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
14261 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
14262 (vect_recog_func_ptr): New function-pointer type.
14263 * tree-vect-patterns.c: New file.
14264 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
14265 (vect_recog_dot_prod_pattern, vect_pattern_recog):
14266 (vect_pattern_recog_1): New functions.
14267 (vect_pattern_recog_funcs): New array of function pointers.
14269 * tree-vectorizer.h (ternary_op): New enum value.
14270 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
14271 declaration. Revised documentation. Removed redundant dump prints.
14272 Removed redundant argument. Added support for reduction patterns.
14273 (vectorizable_reduction): Added support for reduction patterns.
14274 (vect_transform_stmt): Added support for patterns.
14276 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
14277 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
14278 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
14279 (expand_widen_pattern_expr): New function.
14280 (init_optabs): Initialize new optabs udot_prod_optab,
14282 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
14283 (sdot_prod_optab, udot_prod_optab): Define new optabs.
14284 (expand_widen_pattern_expr): New function declaration.
14285 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
14287 * tree-inline.c (estimate_num_insns_1): Added cases for new
14288 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14289 * tree-pretty-print.c (dump_generic_node): Likewise.
14290 (op_prio): Likewise.
14291 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14292 * tree-ssa-operands.c (get_expr_operands): Added case for
14294 * tree-vect-patterns.c (widened_name_p): New function.
14295 (vect_recog_dot_prod_pattern): Added function implementation.
14296 * tree-vect-transform.c (get_initial_def_for_reduction): Added
14297 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
14298 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
14299 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
14301 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
14302 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
14303 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
14304 (init_optabs): Initialize new optabs widen_ssum_optab,
14306 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
14307 (widen_ssum_optab, widen_usum_optab): Define new optabs.
14308 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
14309 use instead of type of def.
14310 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
14311 function implementation.
14312 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
14313 widen_ssumv8hi): New.
14315 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
14318 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14321 * c-decl.c (add_flexible_array_elts_to_size): New function.
14322 (finish_decl): Use it.
14324 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
14326 * diagnostic.h: Include options.h.
14327 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
14328 dependancies for diagnostic.h.
14329 * Makefile.in (DIAGNOSTIC_H): Add options.h.
14331 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
14333 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
14334 (ssa_ro_call_cache_valid): Ditto.
14335 * tree-ssa-alias.c (sort_tags_by_id): New function.
14336 (init_transitive_clobber_worklist): Ditto.
14337 (add_to_worklist): Ditto.
14338 (mark_aliases_call_clobbered): Ditto.
14339 (compute_tag_properties): Ditto.
14340 (set_initial_properties): Ditto.
14341 (compute_call_clobbered): Ditto.
14342 (compute_may_aliases): Call compute_call_clobbered and grouping.
14343 (compute_flow_sensitive_aliasing): Remove clobbering related code.
14344 (compute_flow_insensitive_aliasing): Grouping now happens in our
14346 (setup_pointers_and_addressables): Remove clobbering related code.
14347 (add_may_alias): Ditto.
14348 (replace_may_alias): Ditto.
14349 (get_nmt_for): Ditto.
14350 (create_global_var):
14351 (is_escape_site): Return an escape_type enumeration.
14352 * tree-flow-inline.h (is_call_clobbered): Global var does not
14353 imply call clobbered.
14354 (mark_call_clobbered): Take a reason for marking this. Remove
14355 marking of globalness, and cache invalidation.
14356 (clear_call_clobbered): Remove cache invalidation code.
14357 * tree-dfa.c (dump_variable): If details is on, dump the reason
14359 * tree-outof-ssa.c (create_temp): Copy escape mask from original
14361 * tree-flow.h (struct ptr_info_def): Add escape mask member.
14362 (struct var_ann_d): Ditto.
14363 (enum escape_type): New.
14364 (mark_call_clobbered): Adjust prototype.
14365 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
14366 are never call clobbered.
14367 Record reasons for escaping.
14368 * tree-ssa-structalias.h (is_escape_site): Update prototype.
14369 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
14370 (ssa_ro_call_cache_valid): Ditto.
14371 (clobbered_v_may_defs): Ditto.
14372 (clobbered_vuses): Ditto.
14373 (ro_call_vuses): Ditto.
14374 (clobber_stats): New.
14375 (init_ssa_operands): Zero out clobber stats.
14376 (fini_ssa_operands): Print out clobber stats.
14377 (get_call_expr_operands): Pass callee fndecl to
14378 add_call_read_ops).
14379 (add_call_clobber_ops): Remove use of cache.
14380 Add use of PURE_CONST information.
14381 (add_call_read_ops): Remove use of cache.
14382 Add use of static not_read information.
14384 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
14386 Introduce TLS descriptors for i386 and x86_64.
14387 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
14388 (TARGET_ANY_GNU_TLS): New macro.
14389 (enum tls_dialect): Added TLS_DIALECT_GNU2.
14390 (struct machine_function): Add tls_descriptor_call_expanded_p.
14391 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
14392 (ix86_current_function_calls_tls_descriptor): Likewise.
14393 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
14394 (override_options): Introduce gnu2 tls dialect.
14395 (ix86_frame_pointer_required): Functions containing TLSCALLs are
14397 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
14399 (legitimize_tls_address): Adjust logic for GNU2 TLS.
14400 (ix86_init_machine_status): Initialize new field.
14401 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
14402 (ix86_tls_module_base): New.
14403 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
14404 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
14405 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
14406 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
14407 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
14408 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
14409 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
14410 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
14411 * config/i386/predicates.md (tls_modbase_operand): New.
14412 (tp_or_register_operand): New.
14414 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
14416 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
14417 (look_for_address_of): Ditto.
14418 (ipa_init): Walk the function decls.
14419 (static_execute): Don't set readonly on FUNCTION_DECL's.
14421 2006-01-18 Roger Sayle <roger@eyesopen.com>
14423 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
14424 for shifts where the source and destination registers are different.
14426 2006-01-18 Paul Brook <paul@codesourcery.com>
14428 Merge from csl-arm-branch.
14429 2005-03-14 Julian Brown <julian@codesourcery.com>
14430 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
14431 (aeabi_llsl): Likewise.
14432 (ashrdi3): Likewise.
14433 (aeabi_lasr): Likewise.
14434 (lshrdi3): Likewise.
14435 (aeabi_llsr): Likewise.
14436 2005-03-10 Julian Brown <julian@codesourcery.com>
14437 * config.gcc: Disable shared libgcc for SymbianOS.
14438 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
14440 2006-01-18 DJ Delorie <dj@redhat.com>
14442 * c-pragma.c (handle_pragma_diagnostic): New.
14443 (init_pragma): Register it.
14444 * doc/extend.texi: Document it.
14446 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
14447 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
14448 (diagnostic_context): Add classify_diagnostic[].
14449 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
14450 as errors if they're overridden to DK_WARNING.
14451 (diagnostic_initialize): Initialize classify_diagnostic[].
14452 (diagnostic_set_kind_override): New.
14453 (diagnostic_report_diagnostic): Check for kind changes.
14454 * opts.c (common_handle_option): Take lang_mask. Update callers.
14455 Handle OPT_Werror_.
14456 * common.opt (Werror=): New.
14457 * doc/invoke.texi: Document -Werror=*
14459 2006-01-18 Jeff Law <law@redhat.com>
14461 * tree-vrp.c (test_for_singularity): Correct test for new
14462 min limit. Use operand_equal_p rather than pointer equality
14463 for testing if new min/max values are equal.
14465 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
14466 using range information until after propagation and folding.
14468 2006-01-18 Richard Henderson <rth@redhat.com>
14469 Aldy Hernandez <aldyh@redhat.com>
14470 Jakub Jelinek <jakub@redhat.com>
14471 Diego Novillo <dnovillo@redhat.com>
14473 * omp-low.c: New file.
14474 * c-omp.c: New file.
14476 2006-01-18 Richard Henderson <rth@redhat.com>
14477 Jakub Jelinek <jakub@redhat.com>
14478 Diego Novillo <dnovillo@redhat.com>
14480 * doc/invoke.texi: Document -fopenmp.
14481 * tree-dump.h (debug_function): Declare.
14482 * hooks.c (hook_bool_tree_bool_false): New function.
14483 (hook_tree_tree_null): Remove.
14484 (hook_tree_tree_tree_null): New.
14485 * hooks.h: Update to match.
14486 * tree-pretty-print.c (debug_tree_chain): New.
14487 (print_generic_expr): Handle TDF_CHAIN.
14488 (dump_generic_node): Handle BLOCK.
14489 Do not abort with incomplete SWITCH_EXPRs.
14490 Do not dump body of an OpenMP directive if TDF_SLIM is given.
14491 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
14492 print space after directive name.
14493 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
14494 Handle OMP_MASTER and OMP_ORDERED.
14495 Handle printing of OMP_BODY just in one place, goto
14496 dump_omp_body in the rest of OMP_* nodes that have
14498 Don't handle clause nodes here. Update omp statements to
14499 use dump_omp_clauses.
14500 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
14501 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
14502 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
14503 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
14504 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
14505 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
14506 Adjust output for GOMP_PARALLEL.
14507 (dump_omp_clauses): New.
14508 (print_declaration): Dump DECL_VALUE_EXPR.
14509 (op_symbol_1): Split out of op_symbol.
14510 (dumping_stmts): Remove. Update all users.
14511 * cgraph.c (cgraph_analyze_queue): New.
14512 (cgraph_add_new_function): New.
14513 * cgraph.h (cgraph_analyze_queue): Declare.
14514 (cgraph_add_new_function): Declare.
14515 (cgraph_lower_function): Remove.
14516 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
14517 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
14518 and TYPE_P nodes in its default clause.
14519 (empty_body_p): New.
14520 (tree_range_check_failed): New.
14521 (build5_stat): New.
14522 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
14523 OMP_CLAUSE_REDUCTION_MERGE,
14524 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
14525 OMP_CLAUSE_PRIVATE_DEBUG,
14526 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
14527 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
14528 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
14529 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
14530 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
14531 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
14532 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
14533 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
14534 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
14535 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
14536 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
14537 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
14538 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
14539 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
14540 (TREE_RANGE_CHECK): New.
14541 (empty_body_p): Declare.
14542 (enum omp_clause_default_kind): New.
14543 (build_string_literal): Declare.
14544 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
14545 (build5_stat, build5): Declare.
14546 * tree-pass.h (TDF_CHAIN): Define.
14547 * tree-pass.h (PROP_gimple_lomp): Define.
14548 (pass_lower_omp): Declare.
14549 * diagnostic.h (debug_tree_chain): Declare.
14550 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
14552 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
14553 * builtins.c (build_string_literal): Make extern.
14554 * gcc.c (include_spec_function): New.
14555 (static_spec_functions): Add it.
14556 (main): Move load of libgomp.spec ...
14557 (LINK_COMMAND_SPEC): ... here.
14558 (link_gomp_spec): New.
14559 (static_specs): Include it.
14560 (LINK_COMMAND_SPEC): Add link_gomp.
14561 (GOMP_SELF_SPECS): New.
14562 (driver_self_specs): Include it.
14563 (switch_matches): Don't mark inline.
14564 (main): Load libgomp.spec.
14565 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
14566 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
14567 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
14568 * tree-gimple.h (enum omp_parallel): Declare.
14569 (determine_parallel_type): Declare.
14570 (omp_firstprivatize_variable): Declare.
14571 (omp_reduction_init): Declare.
14572 (diagnose_omp_structured_block_errors): Declare.
14573 (struct walk_stmt_info): Add want_return_expr.
14574 (struct walk_stmt_info): Add want_bind_expr, want_locations.
14575 (find_omp_clause): Declare.
14576 (insert_field_into_struct): Declare.
14577 (struct walk_stmt_info): Move from tree-nested.c
14578 (walk_stmts): Declare.
14579 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
14581 * cgraphunit.c (cgraph_lower_function): Make static.
14582 (cgraph_finalize_pending_functions): New.
14583 (cgraph_finalize_function): Call it.
14584 (cgraph_finalize_compilation_unit): Likewise.
14585 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
14586 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
14587 (BT_FN_UINT_UINT): New.
14588 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
14589 DEF_FUNCTION_TYPE_VAR_4): Document.
14590 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
14591 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
14592 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
14593 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
14594 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
14595 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
14596 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
14597 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
14598 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
14599 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
14600 into separate files.
14601 (DEF_GOMP_BUILTIN): New.
14602 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
14603 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
14604 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
14605 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
14606 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
14607 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
14608 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
14609 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
14610 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
14611 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
14612 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
14613 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
14614 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
14615 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
14616 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
14617 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
14618 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
14619 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
14620 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
14621 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
14622 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
14623 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
14624 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
14625 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
14626 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
14627 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
14628 * sync-builtins.def: New file, moved from builtins.def.
14629 * omp-builtins.def: New file, moved from builtins.def.
14630 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
14631 * gimple-low.c (lower_function_body): Clear data.
14632 (lower_stmt): Do not handle COMPOUND_EXPR.
14633 Remove call to print_node_brief.
14634 * c-tree.h (c_finish_omp_clauses): New prototype.
14635 (C_DECL_THREADPRIVATE_P): Define.
14636 (lookup_name_no_remap, c_omp_remap_private): Remove
14637 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
14638 (check_for_loop_decls): Update decl.
14639 (lookup_name_no_remap, c_omp_remap_private): Declare.
14640 (build_indirect_ref, build_modify_expr, pushdecl,
14641 pushdecl_top_level): Move to c-common.h.
14642 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
14643 before the switch, but just in the 2 places that need it.
14644 * c-decl.c (diagnose_mismatched_decls): Do not check for
14645 mismatched thread-local attributes when OLDDECL is marked
14646 threadprivate and NEWDECL has no thread-local attributes.
14647 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
14648 (c_gimple_diagnostics_recursively): Rename from
14649 c_warn_unused_result_recursively. Invoke
14650 diagnose_omp_structured_block_errors.
14651 (check_for_loop_decls): Return a singular decl found.
14652 * langhooks.c (lhd_omp_predetermined_sharing): Return
14653 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
14654 (lhd_omp_firstprivatize_type_sizes): New.
14655 (lhd_omp_assignment): New.
14656 (lhd_omp_predetermined_sharing): New.
14657 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
14658 (struct lang_hooks_for_types): Add
14659 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
14660 omp_predetermined_sharing, omp_disregard_value_expr,
14661 omp_private_debug_clause, omp_clause_default_ctor,
14662 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
14663 (c_finish_omp_clauses): New.
14664 (c_finish_bc_stmt): Diagnose break within omp for.
14665 (c_begin_omp_parallel, c_finish_omp_parallel): New.
14666 (build_unary_op): Return error_mark after reporting
14668 (build_modify_expr): Likewise.
14669 * gimplify.c: Include optabs.h and pointer-set.h.
14670 (enum gimplify_omp_var_data): Declare.
14671 (struct gimplify_omp_ctx): Declare.
14672 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
14674 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
14675 (push_gimplify_context, pop_gimplify_context): Allow nesting.
14676 (splay_tree_compare_decl_uid): New.
14677 (new_omp_context): New.
14678 (delete_omp_context): New.
14679 (gimple_add_tmp_var): Call omp_add_variable.
14680 (gimplify_bind_expr): Likewise.
14681 (gimplify_var_or_parm_decl): If omp_notice_variable returned
14682 true, disregard DECL_VALUE_EXPR on the decl if any.
14683 (gimplify_expr_in_ctx): New.
14684 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
14685 omp_add_variable, omp_notice_variable, omp_is_private
14686 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
14687 gimplify_adjust_omp_clauses, gimplify_omp_parallel
14688 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
14689 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
14690 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
14691 gimplify_omp_atomic): New.
14692 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14693 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14694 OMP_CRITICAL and OMP_ATOMIC.
14695 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
14696 * c-pragma.h (enum pragma_kind): Add
14697 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
14698 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
14699 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
14700 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
14701 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
14702 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
14703 PRAGMA_OMP_THREADPRIVATE.
14704 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14705 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14706 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
14707 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
14708 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
14709 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
14710 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
14711 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
14712 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
14713 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
14714 * tree-ssa-dce.c (find_control_dependence): Do not assume that
14715 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
14716 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
14718 (struct nesting_info): Add field_map,
14719 suppress_expansion, debug_var_chain.
14720 (create_nesting_tree): Initialize them.
14721 (lookup_field_for_decl): Use field_map.
14722 (get_nonlocal_debug_decl, get_local_debug_decl): New.
14723 (convert_local_omp_clauses): New.
14724 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
14725 (walk_body): Split out of walk_function.
14726 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
14727 (convert_nonlocal_reference): Handle omp statements.
14728 (convert_local_reference): Likewise.
14729 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
14730 (unnest_nesting_tree): New.
14731 (lower_nested_functions): Call it.
14732 (insert_field_into_struct): Make extern.
14733 (struct walk_stmt_info): Move to tree-gimple.h.
14734 (walk_stmts): Make extern.
14735 * omp-builtins.def: New file.
14736 * tree-iterator.c (expr_only): Clarify comment.
14737 * c-common.h (pushdecl_top_level, pushdecl,
14738 build_modify_expr, build_indirect_ref,
14739 c_finish_omp_master, c_finish_omp_critical,
14740 c_finish_omp_ordered, c_finish_omp_barrier,
14741 c_finish_omp_atomic, c_finish_omp_flush,
14742 c_finish_omp_for, c_split_parallel_clauses,
14743 omp_clause_default_kind, c_omp_sharing_predetermined,
14744 c_omp_remap_decl): Declare.
14745 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
14746 (OBJS-common): Add omp-low.o.
14747 (c-omp.o, omp-low.o): Add.
14748 (gimplify.o): Add dependency on $(OPTABS_H).
14749 (GTFILES): Add omp-low.c.
14750 (gt-stringpool.h): Add.
14751 * tree-cfg.c (set_bb_for_stmt): Do not update the
14752 block-to-labels map if we are currently expanding to RTL.
14753 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
14755 Handle IDENTIFIER_NODE.
14756 (tree_verify_flow_info): Do not ICE when emitting error
14757 messages about invalid labels.
14758 (dump_function_to_file): Reset CFUN before emitting the body
14760 (debug_function): New.
14761 * passes.c (init_optimization_passes): Schedule
14763 * langhooks-def.h (lhd_omp_predetermined_sharing,
14764 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
14766 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
14767 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
14768 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
14769 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
14770 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
14771 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
14772 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
14773 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
14774 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
14775 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
14776 (LANG_HOOK_DECLS): Use them.
14778 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
14779 Richard Henderson <rth@redhat.com>
14780 Jakub Jelinek <jakub@redhat.com>
14781 Diego Novillo <dnovillo@redhat.com>
14783 * c-parser.c (pragma_omp_clause): Define.
14784 (c_parser_declaration_or_fndef): Document OpenMP syntax.
14785 (c_parser_compound_statement): Likewise.
14786 (c_parser_statement): Likewise.
14787 (c_parser_pragma): Handle omp pragmas.
14788 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
14789 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
14790 (c_parser_omp_clause_name, check_no_duplicate_clause,
14791 c_parser_omp_variable_list,
14792 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
14793 c_parser_omp_clause_copyprivate,
14794 c_parser_omp_clause_default,
14795 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
14796 c_parser_omp_clause_lastprivate,
14797 c_parser_omp_clause_nowait,
14798 c_parser_omp_clause_num_threads,
14799 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
14800 c_parser_omp_clause_reduction,
14801 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
14802 c_parser_omp_all_clauses, c_parser_omp_structured_block,
14803 c_parser_omp_atomic, c_parser_omp_barrier,
14804 c_parser_omp_critical, c_parser_omp_flush,
14805 c_parser_omp_for_loop, c_parser_omp_for,
14806 c_parser_omp_master, c_parser_omp_ordered,
14807 c_parser_omp_sections_scope, c_parser_omp_sections,
14808 c_parser_omp_parallel, c_parser_omp_single,
14809 c_parser_omp_construct, c_parser_omp_threadprivate): New.
14810 * c-pragma.c (init_pragma): Do omp pragma registration here.
14811 * c.opt (fopenmp): New flag.
14813 2006-01-18 Eric Christopher <echristo@apple.com>
14815 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
14816 * config/darwin.h (GOMP_SELF_SPECS): Define.
14818 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14820 * rtl.h: Remove the prototype for reg_alloc.
14822 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14825 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
14826 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
14827 sjlj and dwarf2 exception handling.
14828 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
14829 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
14830 * pa/pa.c (function_value): Treat complex and vector types as
14832 (function_arg): Likewise. Only pass scalar floats in the floating
14833 point argument registers.
14834 * pa/t-slibgcc-dwarf-ver: New file.
14835 * pa/t-slibgcc-sjlj-ver: New file.
14836 * pa/t-slibgcc-elf-ver: Delete file.
14838 2006-01-19 Alan Modra <amodra@bigpond.net.au>
14840 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
14841 unlikely_test_section_p test.
14843 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14845 * mode-switching.c (optimize_mode_switching): Make it static.
14846 * basic-block.h: Remove the prototype for
14847 optimize_mode_switching.
14849 * modulo-sched.c (sms_schedule): Make it static.
14850 * rtl.h: Remove the prototype for sms_schedule.
14852 * postreload-gcse.c (gcse_after_reload_main): Make it static.
14853 * rtl.h: Remove the prototype for gcse_after_reload_main.
14855 * reg-stack.c (reg_to_stack): Make it static.
14856 * rtl.h: Remove the prototype for reg_to_stack.
14858 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
14860 * rtl.h: Remove the prototypes for regrename_optimize and
14861 copyprop_hardreg_forward.
14863 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
14865 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
14866 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
14867 Test against the appropriate null constant for the mode.
14868 If 'fixup_overlap' is true, swap the operands if they overlap.
14869 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
14870 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
14871 alpha_split_tmode_pair and adjust for above change.
14872 * config/alpha/alpha.md (movtf_internal): Adjust call to
14873 alpha_split_tfmode_pair and rely on it to swap the operands.
14874 (movti_internal): New insn and post-reload splitter.
14875 (movti): New expander.
14877 2006-01-18 Philippe De Muyter <phdm@macqel.be>
14879 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
14882 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14884 * rtlanal.c (global_reg_mentioned_p_1,
14885 global_reg_mentioned_p): Remove.
14886 * rtl.h: Remove the prototype for global_reg_mentioned_p.
14888 * flow.c (initialize_uninitialized_subregs): Make it static.
14889 * rtl.h: Remove the prototype for
14890 initialize_uninitialized_subregs.
14892 * function.c (instantiate_virtual_regs): Make it static.
14893 * function.h: Remove the prototype for
14894 instantiate_virtual_regs.
14896 * regmove.c (regmove_optimize, combine_stack_adjustments):
14898 * rtl.h: Remove the prototypes for regmove_optimize and
14899 combine_stack_adjustments.
14901 2006-01-17 Roger Sayle <roger@eyesopen.com>
14903 * config/i386/i386.c (COSTS_N_BYTES): New macro.
14904 (size_cost): Encode costs in bytes so that a reg-reg addition is
14905 equivalent to COSTS_N_INSNS(1).
14906 (override_options): Use the size_cost.branch_cost as the default
14907 ix86_branch_cost when optimizing for size.
14909 2006-01-18 Ben Elliston <bje@au.ibm.com>
14911 * Makefile.in (D32PBIT_FUNCS): New.
14912 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
14913 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
14914 D64PBIT_FUNCS and D128PBIT_FUNCS.
14915 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
14916 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
14918 (decnumber_dep): Define.
14919 * doc/libgcc.texi (Decimal float library routines): New node.
14920 * config/dfp-bit.h, config/dfp-bit.c: New files.
14922 2006-01-18 Ben Elliston <bje@au.ibm.com>
14924 * expr.c (emit_move_change_mode): Always adjust addresses, not
14925 just during reload. Copy replacements only during reload.
14926 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
14927 emit_move_via_integer.
14929 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
14931 * Makefile.in (check-%, check-consistency): Use $${srcdir}
14932 instead of $(srcdir) and ${srcdir}.
14934 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
14937 PR middle-end/11135
14938 * arm.h (struct machine_function): Add pic_reg.
14939 * arm.c (arm_pic_register): Make unsigned.
14940 (arm_override_options): Only set arm_pic_register if
14941 TARGET_SINGLE_PIC_BASE.
14942 (use_return_insn): Only test for a pic register if it is fixed.
14943 (arm_compute_save_reg0_reg12_mask): Likewise.
14944 (thumb_compute_save_reg_mask): Likewise.
14945 (legitimate_pic_operand): Factor out some known invariants.
14946 (legitimize_pic_address): If we don't have a fixed pic register,
14947 then set up a pseudo in the function entry sequence. Handle the
14948 pic base being in a pseudo.
14949 (arm_load_pic_register): Handle the pic register being in a pseudo.
14950 (arm_expand_prologue): Only set up the pic register if it is fixed.
14951 (thumb_expand_prologue): Likewise.
14952 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
14953 (pic_load_addr_based_insn): Likewise.
14954 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
14957 2006-01-18 Ben Elliston <bje@au.ibm.com>
14959 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
14960 decimal float modes for all floating point registers.
14962 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
14963 match_code "mem" with match_test "macho_lo_sum_memory_operand".
14965 2006-01-17 Jakub Jelinek <jakub@redhat.com>
14968 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
14969 even when the pointer is not NULL.
14971 2006-01-16 Ian Lance Taylor <ian@airs.com>
14973 * common.opt (ftoplevel-reorder): New option.
14974 * cgraph.c (cgraph_asm_nodes): New global variable.
14975 (cgraph_asm_last_node): New static variable.
14976 (cgraph_order): New global variable.
14977 (cgraph_create_node): Set new order field.
14978 (cgraph_varpool_node): Likewise.
14979 (decide_is_variable_needed): Return true if not
14980 flag_toplevel_reorder.
14981 (cgraph_add_asm_node): New function.
14982 * cgraph.h (struct cgraph_node): Add order field.
14983 (struct cgraph_varpool_node): Add order field.
14984 (struct cgraph_asm_node): Define.
14985 (cgraph_asm_nodes, cgraph_order): Declare.
14986 (cgraph_add_asm_node): Declare.
14987 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
14989 (cgraph_varpool_assemble_pending_decls): Call it.
14990 (cgraph_output_pending_asms): New static function.
14991 (cgraph_finalize_compilation_unit): Call it.
14992 (struct cgraph_order_sort): Define.
14993 (cgraph_output_in_order): New static function.
14994 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
14995 !flag_toplevel_reorder case.
14996 * c-parser.c: Include "cgraph.h".
14997 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
14999 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15000 than -fno-unit-at-a-time.
15001 * doc/invoke.texi (Option Summary): Mention
15002 -fno-toplevel-reorder.
15003 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15004 -funit-at-a-time documentation.
15006 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
15007 Kazu Hirata <kazu@codesourcery.com>
15009 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
15011 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
15013 * Makefile.in (FUNCTION_H): New. Use it instead of
15014 function.h throughout the file.
15015 * function.h: Include tree.h.
15017 2006-01-17 Ben Elliston <bje@au.ibm.com>
15019 * recog.c: Separate some functions with whitespace.
15021 2006-01-16 Richard Henderson <rth@redhat.com>
15023 Merge from gomp branch:
15024 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
15025 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
15026 and rename from struct inline_data. Rename callee* to dst*;
15027 caller* to src*; add copy_decl hook, transform_call_graph_edges,
15028 transform_new_cfg, transform_return_to_modify, and
15029 transform_lang_insert_block flags; remove cloning_p, versioning_p,
15031 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
15032 (copy_decl_for_dup): Remove.
15033 * tree-inline.c (struct inline_data): Move to header.
15034 (insert_decl_map): Export.
15035 (remap_decl): Update for member name changes. Use copy_decl hook.
15036 Allow for replacement to be a non-decl. Remove dead code.
15037 (remap_type_1): Check for existing mapping.
15038 (remap_type): Export.
15039 (remap_decls): Update for member name changes.
15040 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
15041 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
15042 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
15043 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
15044 (tree_function_versioning, build_duplicate_type): Likewise.
15045 (copy_body_r): Likewise. Export.
15046 (copy_decl_for_dup): Split into ...
15047 (copy_decl_for_dup_finish, copy_decl_to_var,
15048 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
15049 (replace_ref_tree, inlining_p): Remove.
15051 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15053 * ifcvt.c (if_convert): Make it static.
15054 * rtl.h: Remove the prototype for if_convert.
15056 * local-alloc.c (local_alloc): Make it static.
15057 * rtl.h: Remove the prototype for local_alloc.
15059 * loop.c (loop_optimize): Make it static.
15060 * cfgloop.h: Remove the prototype for loop_optimize.
15063 2006-01-16 DJ Delorie <dj@redhat.com>
15065 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
15068 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15070 * pa.md: Disparage copies between general and floating-point registers
15071 in 32-bit move patterns.
15073 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
15076 * Makefile.in (check-%): Depend on site.exp instead of
15077 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
15080 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15082 * global.c (global_alloc): Make it static.
15083 * rtl.h: Remove the prototype for global_alloc.
15085 2006-01-16 Richard Guenther <rguenther@suse.de>
15087 * tree-ssa-alias.c (struct used_part): Add write_only field.
15088 (get_or_create_used_part_for): Initialize it to true.
15089 (create_overlap_variables_for): Don't create structure variables
15090 for structures that only are written to.
15091 (find_used_portions): Handle MODIFY_EXPR to track whether a
15092 structure is only written to.
15094 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15096 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
15098 * basic-block.h: Remove the prototype for
15099 partition_hot_cold_basic_blocks.
15101 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
15103 * cppspec.c (lang_specific_spec_functions): Remove.
15104 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
15105 * gcc.h (lang_specific_spec_functions): Remove.
15106 * gccspec.c (lang_specific_spec_functions): Remove.
15108 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
15110 * combine.c (record_value_for_reg): Invalidate registers
15112 (record_dead_and_set_regs_1): Likewise, by passing them to
15113 record_value_for_reg.
15114 (record_dead_and_set_regs): Invalidate stores made by a
15115 call. We do not combine across a call, but we still
15116 relied on equivalences.
15118 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15120 * tree-vrp.c (extract_range_from_binary_expr): Cope with
15121 vrp_int_const_binop returning non-constant nodes.
15123 2006-01-16 Paul Brook <paul@codesourcery.com>
15125 * config/m68k/m68k.c (output_move_const_into_data_reg):
15126 Output correct mnemonic for mvz and mvs.
15128 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
15130 * rtl-factoring.c: Add sequence abstraction algorithm.
15131 * cfgcleanup.c (outgoing_edges_match): Extra checks.
15132 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
15134 (block_has_preserve_label): New function.
15135 * common.opt: Register new pass.
15136 * Makefile.in: Ditto.
15138 * timevar.def: Ditto.
15139 * tree-pass.h: Ditto.
15140 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
15141 * rtl.h (make_jump_insn_raw): Add forward decl.
15142 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
15144 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15145 Roger Sayle <roger@eyesopen.com>
15147 * fold-const.c (fold_minmax): New static function.
15148 (fold_binary) <MIN_EXPR>: Call it.
15149 <MAX_EXPR>: Likewise.
15150 * stor-layout.c (place_field): Use DECL_SIZE consistently
15151 in the computation of the new record size.
15153 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15155 * cse.c (cse_condition_code_reg): Make it static.
15156 * rtl.h: Remove the prototype for cse_condition_code_reg.
15158 * combine.c (combine_instructions): Make it static.
15159 * rtl.h: Remove the prototype for combine_instructions.
15161 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15164 * tree.c (get_file_function_name_long): Concatenate the first global
15165 object name with a string derived from the input filename of the object
15168 2006-01-16 Ben Elliston <bje@au.ibm.com>
15170 * config/i386/winnt-stubs.c: Update FSF address.
15171 * config/xtensa/ieee754-df.S: Ditto.
15172 * config/xtensa/ieee754-sf.S: Ditto.
15174 2006-01-14 Ian Lance Taylor <ian@airs.com>
15176 * ifcvt.c (noce_init_if_info): New static function, broken out of
15177 noce_process_if_block.
15178 (noce_process_if_block): Call noce_init_if_info.
15179 (check_cond_move_block): New static function.
15180 (cond_move_process_if_block): New static function.
15181 (process_if_block): Call cond_move_process_if_block.
15183 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
15185 * cselib.c (hash_table): Rename to cselib_hash_table.
15186 (cselib_clear_table, discard_useless_values,
15187 remove_useless_values, cselib_lookup_mem, cselib_lookup,
15188 cselib_init, cselib_finish): Adjust uses of hash_table.
15190 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
15192 PR tree-optimization/25485
15193 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
15194 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
15195 is known to be false and true, respectively.
15197 2006-01-14 Richard Guenther <rguenther@suse.de>
15199 PR tree-optimization/22548
15200 PR tree-optimization/22555
15201 PR tree-optimization/22501
15202 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
15203 * params.def (salias-max-array-elements): New parameter.
15204 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
15205 * doc/invoke.texi (salias-max-array-elements): Document.
15206 * tree-flow-inline.h (var_can_have_subvars): We also handle
15208 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
15210 * tree-ssa-structalias.c (params.h): Include.
15211 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
15212 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
15213 (get_constraint_for): For ADDR_EXPR operating on something
15214 containing an ARRAY_REF, add all subvars to the solution.
15215 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
15216 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
15217 for creating MUST_DEFs.
15218 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
15220 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
15222 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
15224 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
15225 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
15226 number_of_iterations_le): New functions.
15227 (number_of_iterations_special): Removed.
15228 (number_of_iterations_exit): Do not use number_of_iterations_special.
15229 * tree.c (unsigned_type_for): Always return integer type.
15231 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
15232 Richard Guenther <rguenther@suse.de>
15234 PR rtl-optimization/24257
15235 * gcse.c (find_moveable_store): Only consider a store movable
15236 when the SET_SRC of the insn can be assigned to a register.
15238 2006-01-14 Ian Lance Taylor <ian@airs.com>
15240 * tree.c (tree_not_class_check_failed): New function.
15241 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
15242 (tree_not_class_check_failed): Declare.
15244 2006-01-13 Ian Lance Taylor <ian@airs.com>
15246 * reload1.c (do_output_reload): Add assertion rejecting a
15249 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
15251 * combine.c (struct reg_stat): Add new fields truncation_label and
15253 (record_value_for_reg): Reset truncated_to_mode.
15254 (record_truncated_value): New function.
15255 (check_promoted_subreg): Call it. Rename to check_conversions.
15256 (combine_instructions): Rename check_promoted_subreg to
15258 (reg_truncated_to_mode): New function.
15259 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
15260 (gen_lowpart_or_truncate): New function.
15261 (force_to_mode): Use it instead of gen_lowpart.
15263 2006-01-13 Diego Novillo <dnovillo@redhat.com>
15265 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
15266 VAR is a tag, not its type tag.
15268 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
15270 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
15271 alternatives to match style of other entries.
15272 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
15274 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
15276 PR tree-optimization/25771
15277 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
15280 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
15283 * tree-inline.c (declare_return_variable): If the return variable
15284 was marked as a non gimple complex, set the return slot variable
15285 to be a non gimple comple variable.
15287 2006-01-13 Richard Guenther <rguenther@suse.de>
15289 * builtins.c (expand_builtin_sincos): New function.
15290 (expand_builtin_mathfn_3): Remove dead code, sin and cos
15292 (expand_builtin): Expand sincos using expand_builtin_sincos.
15294 2006-01-12 DJ Delorie <dj@redhat.com>
15296 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
15297 shift counts, separate SI shifts for m32c vs m16c, pass shift type
15298 so that constant shifts can be split.
15299 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
15300 (m32c_valid_pointer_mode): Make static.
15301 (shift_gen_func_for): New.
15302 (m32c_prepare_shift): Use it. Split large const shifts into
15304 * config/m32c/predicates.md (shiftcount_operand): Allow more
15306 (longshiftcount_operand): New.
15307 * doc/md.texi (Machine Constraints): Document In6.
15309 2006-01-13 Ben Elliston <bje@au.ibm.com>
15311 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
15312 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
15315 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
15317 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
15318 to try to avoid clobbering pieces of structures when we know
15319 something about the whole structure.
15320 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
15322 2006-01-13 Ben Elliston <bje@au.ibm.com>
15324 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
15325 return in memory, as this is no limitation is no longer present.
15327 2006-01-12 DJ Delorie <dj@redhat.com>
15329 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
15330 mova with fb, and for fb+0 -> An.
15332 * config/m32c/mov.md (peephole2): Fix enabling logic.
15334 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
15335 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
15336 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
15337 FINI_ARRAY_SECTION_ASM_OP): Define.
15339 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
15341 (m32c_legitimize_reload_address): New logic to reload FB to An.
15342 (m32c_output_reg_push): Add newline.
15343 (m32c_output_reg_pop): Likewise.
15345 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
15347 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
15349 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
15351 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
15353 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15355 * config/sh/predicates.md (sh_rep_vec): Add parallel to
15358 2006-01-11 Ben Elliston <bje@au.ibm.com>
15360 * rtlanal.c (find_reg_note): Assert insn is not null.
15362 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15364 * df-scan.c (df_hard_reg_init): Move declaration of i outside
15367 2006-01-11 Jeff Law <law@redhat.com>
15369 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
15371 (mark_threaded_blocks, register_jump_thread): New functions.
15372 (thread_through_all_blocks): Remove unwanted argument. No
15373 longer rely on e->aux to communicate thread target info.
15374 Call mark_threaded_blocks. Release the threaded_blocks
15375 bitmap and threaded_edges vector when complete.
15376 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
15377 (threaded_blocks): Remove.
15378 (tree_ssa_dominator_optimize): Remove initialization and
15379 finalization of threaded_blocks. Simplify call to
15380 thread_through_all_blocks.
15381 (thread_across_edge): Call register_jump_thread rather than
15382 storing thread information into e->aux.
15383 (free_all_edge_infos): Simplify now that e->aux is no longer
15384 used to communicate with thread_through_all_blocks.
15385 * tree-flow.h (thread_through_all_blocks): Update prototype.
15386 (register_jump_thread): Prototype.
15388 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15390 * df-core.c (df_compact_blocks, df_bb_replace): Use
15391 SET_BASIC_BLOCK instead of BASIC_BLOCK.
15393 2006-01-11 Richard Guenther <rguenther@suse.de>
15395 PR tree-optimization/25734
15396 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
15397 stop propagation after successful propagation to the LHS.
15399 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15401 * basic-block.h (control_flow_graph): Change the type of
15402 x_basic_block_info to VEC(basic_block,gc) *.
15403 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
15405 (SET_BASIC_BLOCK): New.
15406 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
15407 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
15408 * cfgbuild.c (find_basic_blocks): Likewise.
15409 * cfglayout.c (fixup_reorder_chain): Likewise.
15410 * cfgrtl.c (create_basic_block_structure,
15411 rtl_create_basic_block): Likewise.
15412 * ifcvt.c (find_if_case_1): Likewise.
15413 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
15416 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15418 * Makefile.in: Removed rotted odf.c entry.
15420 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
15423 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
15424 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
15425 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
15426 output pattern modifier, not %e.
15427 * config/cris/cris.c (cris_op_str): Update comment about pattern
15429 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
15430 before falling through into...
15431 <case 'E'>: Redefined from old 'e' case.
15433 2006-01-11 Jan Hubicka <jh@suse.cz>
15436 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
15438 2006-01-11 Jan Hubicka <jh@suse.cz>
15440 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
15441 * i386.c (x86_decompose_lea): Kill.
15442 (ix86_rtx_costs): Kill.
15444 2006-01-11 Jan Hubicka <jh@suse.cz>
15446 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
15447 * cgraph.h (cgraph_node): Add inline_decl.
15448 (cgraph_insert_node_to_hashtable): Declare.
15449 (save_inline_function_body): Declare.
15450 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
15452 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
15453 (cgraph_function_versioning): Update call of tree_function_versioning.
15454 (save_inline_function_body): New function.
15455 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
15456 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
15457 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
15458 (cgraph_default_inline_p): Likewise.
15459 (cgraph_decide_inlining_incrementally): Likewise.
15460 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
15461 (copy_bb): Kill saving; do updating of clones.
15462 (copy_cfg_body): Kill saving.
15463 (initialize_inlined-parameters): Likewise.
15464 (expand_call_inline): Likewise.
15466 (tree_function_versioning): New parameter "update_clones".
15467 (inlining_p): Kill saving.
15468 * tree-inline.h (tree_function_versioning): Update prototype.
15469 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
15472 2006-01-11 Ian Lance Taylor <ian@airs.com>
15474 * combine.c (struct undo): Remove is_int. Enumify types of undos.
15475 Allow undoing set of machine mode.
15476 (do_SUBST): Use enums instead of is_int.
15477 (do_SUBST_MODE): New function.
15478 (SUBST_MODE): New macro.
15479 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
15480 reg and trying to replace reg_regno_rtx with a new register.
15481 (undo_all): Use new enums, handle undoing a PUT_MODE change.
15482 (simplify_set): Use SUBST_MODE.
15483 (distribute_notes): Remove code that tried to update reg notes
15484 for regno_reg_rtx changes.
15486 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
15488 PR tree-optimization/23109
15489 PR tree-optimization/23948
15490 PR tree-optimization/24123
15492 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
15493 * tree-cfg.c (single_noncomplex_succ): New.
15494 * tree-flow.h (single_noncomplex_succ): Declare it.
15495 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15496 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15497 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
15498 insert_bb, register_division_in, insert_reciprocals,
15499 replace_reciprocal, free_bb): New.
15500 (execute_cse_reciprocals_1): Rewritten.
15501 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
15502 Do not commit any edge insertion. Always compute dominators and
15503 create the allocation pool.
15504 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
15505 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
15506 * targhooks.c (default_min_divistions_for_recip_mul): New.
15507 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
15508 * passes.c (init_optimization_passes): Run recip after tree loop
15510 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
15512 2006-01-11 Danny Berlin <dberlin@dberlin.org>
15513 Kenneth Zadeck <zadeck@naturalbridge.com>
15515 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
15516 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
15517 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
15518 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
15519 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
15520 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
15521 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
15522 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
15523 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
15524 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
15525 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
15526 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
15527 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
15528 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
15529 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
15530 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
15531 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
15532 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
15533 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
15534 DF_SCAN_POST_ALLOC): New macros.
15535 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
15536 df_free_bb_function, df_local_compute_function, df_init_function,
15537 df_dataflow_function, df_confluence_function_0,
15538 df_confluence_function_n, df_transfer_function,
15539 df_finalizer_function, df_free_function, df_dump_problem_function,
15540 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
15541 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
15542 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
15543 df_urec_bb_info, ) New types.
15544 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
15546 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
15547 df_analyze_simple_change_some_blocks,
15548 df_analyze_simple_change_one_block, df_compact_blocks,
15549 df_bb_replace, df_bb_regno_last_use_find,
15550 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
15551 df_insn_regno_def_p, df_find_def, df_find_use,
15552 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
15553 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
15554 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
15555 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
15556 debug_df_chain, df_get_dependent_problem, df_chain_create,
15557 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
15558 df_grow_bb_info, df_chain_dump, df_print_bb_index,
15559 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
15560 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
15561 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
15562 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
15563 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
15564 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
15565 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
15566 df_ref_remove, df_insn_refs_delete, df_refs_delete,
15567 df_reorganize_refs, df_set_state, df_hard_reg_init,
15568 df_read_modify_subreg_p) New public functions.
15569 * df-core.c: The core dataflow solver and glue routines for rtl
15571 (df_init, df_add_problem, df_set_blocks, df_finish,
15572 df_hybrid_search_forward, df_hybrid_search_backward,
15573 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
15574 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
15575 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
15576 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
15577 df_reg_defined, df_find_use, df_reg_used, df_dump,
15578 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
15579 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
15580 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
15581 debug_df_useno, reset_df_after_reload): New functions.
15582 * df-scan.c: The scanning fuctions, once in df.c, completely
15583 rewritten so that they now fully model the functionality of
15584 register usage at the backend.
15585 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
15586 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
15587 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
15588 df_grow_insn_info, df_rescan_blocks, df_ref_create,
15589 df_get_artificial_defs, df_get_artificial_uses,
15590 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
15591 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
15592 df_refs_delete, df_reorganize_refs, df_set_state,
15593 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
15594 df_def_record_1, df_defs_record, df_uses_record,
15595 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
15596 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
15597 df_record_exit_block_uses, df_hard_reg_init): New functions.
15599 * df-problems.c: Seven concrete dataflow problems that use the
15600 scanning in df-scan.c and are solved by the engine in df-core.c.
15601 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
15602 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
15603 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
15604 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
15605 df_ru_free_bb_info, df_ru_alloc,
15606 df_ru_bb_local_compute_process_def,
15607 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
15608 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
15609 df_ru_transfer_function, df_ru_free, df_ru_dump,
15610 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
15611 df_rd_free_bb_info, df_rd_alloc,
15612 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
15613 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
15614 df_rd_transfer_function, df_rd_free, df_rd_dump,
15615 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
15616 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
15617 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
15618 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
15619 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
15620 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
15621 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
15622 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
15623 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
15624 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
15625 df_urec_mark_reg_change, df_urec_check_earlyclobber,
15626 df_urec_mark_reg_use_for_earlyclobber,
15627 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
15628 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
15629 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
15630 df_urec_dump, df_urec_add_problem, df_chain_alloc,
15631 df_chain_create_bb_process_use, df_chain_create_bb,
15632 df_chain_finalize, df_chain_free, df_chains_dump,
15633 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
15634 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
15635 df_reg_lifetime): New functions.
15636 * df.c: Deleted file.
15637 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
15638 consistent with new df api.
15639 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
15640 rest_of_handle_sms): Ditto.
15641 * web.c (unionfind_union, union_defs, entry_register, web_main):
15643 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
15644 invariant_expr_equal_p, find_defs, check_dependencies,
15645 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
15646 free_inv_motion_data, move_loop_invariants): Ditto.
15647 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
15648 Update dependencies.
15649 (odf.c): Added defective entry that was deleted later in day.
15650 * sched-deps.c (sched_analyze_1): Ditto.
15652 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
15654 * tree-ssa-operands.c (get_expr_operands): Record addressable
15655 variables directly. Do not call add_stmt_operands for CONST_DECLs
15657 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
15658 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
15660 2006-01-11 Ben Elliston <bje@au.ibm.com>
15662 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
15663 function returns true in the positive case.
15665 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15668 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
15669 for SI, DI, SF and DF modes. Add alternatives to copy between
15670 general and floating point registers to the 32-bit patterns.
15671 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
15672 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
15673 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
15674 generating 64-bit code.
15675 * config/pa/pa.c (output_move_double): Handle copies between general
15676 and floating registers.
15678 2006-01-10 Stuart Hastings <stuart@apple.com>
15680 * config/i386/i386.md (set_got): Update.
15681 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
15682 (builtin_setjmp_receiver): Mach-O support.
15683 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
15684 (GOT_SYMBOL_NAME): Define.
15685 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
15686 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
15687 * config/i386/i386.c (override_options): Revise for Darwin.
15688 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
15689 support. (darwin_x86_file_end): New. (output_set_got): Add label
15690 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
15691 * config/i386/i386-protos.h (output_set_got): Likewise.
15692 * config/darwin.c (machopic_legitimize_pic_address): Update
15695 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
15697 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
15698 when MODE isn't BLKmode.
15700 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
15702 PR rtl-optimization/25367
15703 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
15705 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
15708 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
15709 for a negative bound.
15711 2006-01-10 Richard Guenther <rguenther@suse.de>
15713 * tree-ssa-structalias.c (get_constraint_for_component_ref):
15714 Never override with anything constraint.
15716 2006-01-10 Jan Beulich <jbeulich@novell.com>
15718 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
15719 256 bits when optimize_size.
15721 2006-01-10 Jan Beulich <jbeulich@novell.com>
15723 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
15725 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
15726 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
15729 2006-01-10 Ben Elliston <bje@au.ibm.com>
15731 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
15733 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
15734 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
15735 (USE_FP_FOR_ARG): Reject decimal float modes.
15736 (function_arg_advance): Likewise.
15737 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
15738 (rs6000_handle_altivec_attribute): Do not permit decimal floating
15739 point types in AltiVec vectors.
15740 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
15741 (rs6000_libcall_value): Likewise.
15743 2006-01-09 Bob Wilson <bob.wilson@acm.org>
15745 * config/xtensa/ieee754-df.S: New file.
15746 * config/xtensa/ieee754-sf.S: New file.
15747 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
15748 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
15749 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
15751 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
15753 * config/sh/predicates.md (binary_float_operator,
15754 binary_logical_operator, commutative_float_operator,
15755 equality_comparison_operator, greater_comparison_operator,
15756 less_comparison_operator, logical_operator,
15757 noncommutative_float_operator, shift_operator,
15758 symbol_ref_operand, unary_float_operator): Remove redundant
15761 2006-01-09 Jeff Law <law@redhat.com>
15763 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
15764 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
15765 now unused arguments. Callers updated.
15766 (eliminate_redundant_computations): Remove now unused arguments,
15768 (local_fold): Remove, no longer used.
15769 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
15771 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
15772 (simplify_cond): New function.
15773 (forward_propagate_into_cond): Call simplify_cond.
15775 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
15777 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
15778 (*vec_extractv2di_1_sse): New.
15780 2006-01-09 Ben Elliston <bje@au.ibm.com>
15782 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
15784 2006-01-08 Richard Guenther <rguenther@suse.de>
15786 * tree-ssa-structalias.c (get_constraint_for): Remove
15787 anyoffset argument.
15788 (get_constraint_for_component_ref): Likewise.
15789 (do_deref): Likewise.
15790 (get_constraint_for): Likewise.
15791 (do_structure_copy): Likewise.
15792 (handle_ptr_arith): Likewise.
15793 (find_func_aliases): Likewise. Remove unused need_anyoffset
15796 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
15797 Kaz Kojima <kkojima@gcc.gnu.org>
15799 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
15800 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
15801 (EXTRA_CONSTRAINT_C16): Remove.
15802 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
15803 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
15804 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
15805 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
15806 constants of SHmedia. Handle nested constant expressions of
15808 (andcosts): Fix the costs for SHmedia constants.
15809 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
15810 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
15811 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
15812 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
15813 (movv4hi_i, movv2si_i): Likewise.
15814 (movsi_const): Adjust the second operand of ior so to match with
15815 the Csu constraint.
15816 (movdi_const, movdi_const_32bit): Likewise.
15817 (movdi_const_16bit+1): Don't sign-extend LOW.
15818 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
15820 (*double_shori): Fix the split condition. Use GEN_INT instead
15821 of get_int_mode calls. Mask lower 16-bit of the argument of
15823 (sym2GOTPLT): Remove.
15824 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
15826 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
15827 instead of EXTRA_CONSTRAINT_C16.
15829 2006-01-07 Ian Lance Taylor <ian@airs.com>
15830 David Edelsohn <edelsohn@gnu.org>
15832 PR rtl-optimization/25662
15833 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
15834 for constant operands instead of simplify_gen_binary.
15835 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
15836 after trying simplify_binary_operation
15838 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
15840 * tree.c (iterative_hash_expr): Hash decls based on UID.
15842 2006-01-06 Eric Christopher <echristo@apple.com>
15844 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
15845 (TARGET_UNWIND_EMIT): Fix spelling.
15846 * target.h (gcc_target): Add except_table_label.
15847 * except.c (output_function_exception_table): Use.
15848 * varasm.c (default_emit_except_table_label): New.
15849 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
15851 (asm_out): Add here.
15852 * output.h (default_emit_except_table_label): Prototype.
15853 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
15854 * config/darwin.c (darwin_emit_except_table_label): Define.
15855 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
15857 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
15859 PR tree-optimization/18527
15860 * tree-ssa-loop-niter.c (number_of_iterations_cond,
15861 number_of_iterations_special, number_of_iterations_exit):
15862 Move base and step of an iv to a single structure. Add
15863 no_overflow flag, and use it in # of iterations analysis.
15864 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
15865 folded_casts argument.
15866 (simple_iv): Pass base and step in a structure. Set no_overflow
15868 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
15869 Evaluate expensiveness of computing # of iterations instead of
15870 the final expression.
15871 * tree-scalar-evolution.h (affine_iv): New structure.
15872 (simple_iv): Declaration changed.
15873 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
15874 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
15875 find_givs_in_stmt): Changed due to simple_iv change.
15877 2006-01-06 Jeff Law <law@redhat.com>
15880 * tree-cfg.c (bsi_replace): Rename final argument from
15881 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
15882 change (stmt -> orig_stmt).
15883 * tree-eh.c (verify_eh_throw_stmt_node): New function.
15884 (bsi_remove): Add new argument. Remove EH information
15886 (verify_eh_throw_table_statements): New function.
15887 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
15889 * tree-optimize.c (execute_free_cfg_annotations): Verify
15890 the EH throw statement table after removing annotations.
15891 * except.h (verify_eh_throw_table_statements): Prototype.
15892 * tree-flow.h (bsi_remove): Update prototype.
15893 * tree-vrp.c (remove_range_assertions): Add new argument to
15895 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
15896 * tree-complex.c (expand_complex_div_wide): Likewise.
15897 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
15898 * tree-tailcall.c (eliminate_tailcall): Likewise.
15899 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
15900 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
15901 * tree-nrv.c (tree_nrv): Likewise.
15902 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
15903 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
15904 (combine_blocks): Likewise.
15905 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
15906 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
15907 (cleanup_control_flow): Likewise.
15908 (remove_forwarder_block): Likewise.
15909 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
15910 * tree-sra.c (sra_replace): Likewise.
15911 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
15912 (forward_propagate_single_use_vars): Likewise.
15913 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
15914 * tree-inline.c (expand_call_inline): Likewise.
15915 * tree-vect-transform.c (vect_transform_loop): Likewise.
15916 * tree-outof-ssa.c (rewrite_trees): Likewise.
15917 * tree-cfg.c (make_goto_expr_edges): Likewise.
15918 (cleanup_dead_labels): Likewise.
15919 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
15920 (bsi_move_before, bsi_move_after): Likewise.
15921 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
15922 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
15924 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
15927 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
15929 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
15930 on non gimple variables. Also add checks at the top for decls and
15932 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
15934 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
15935 and IMAGPART_EXPR for creating MUST_DEFs.
15936 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
15937 and NAME_MEMORY_TAG separately from the DECLs.
15939 2006-01-06 Richard Guenther <rguenther@suse.de>
15941 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
15942 annotation, if necessary.
15943 * tree-ssa-pre.c (create_expression_by_pieces): Remove
15944 redundant calls to update_stmt.
15945 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
15948 2006-01-05 Richard Henderson <rth@redhat.com>
15950 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
15952 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15954 * c-typeck.c: Update copyright date.
15956 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15958 * c-typeck.c (build_c_cast): Always warn when casting
15959 from a pointer to an integer of different size, even if
15960 the node was constant.
15962 2006-01-05 Richard Guenther <rguenther@suse.de>
15964 PR tree-optimization/22555
15965 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
15966 if one structure field is an array.
15967 * tree-ssa-operands.c (get_expr_operands): Continue scanning
15968 operands even if we found a subvar, but ignore VOPs in this
15970 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
15972 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
15974 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
15976 PR middle-end/24998
15977 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
15979 2006-01-05 Richard Guenther <rguenther@suse.de>
15980 Diego Novillo <dnovillo@redhat.com>
15982 * tree-pass.h (TODO_remove_unused_locals): Define.
15983 * gimple-low.c (expand_var_p, remove_useless_vars,
15984 pass_remove_useless_vars): Remove. Update all users.
15985 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
15986 (remove_unused_locals): New function.
15987 * tree-flow.h (remove_unused_locals): Declare.
15988 * passes.c (execute_todo): Call remove_unused_locals if
15989 TODO_remove_unused_locals is set.
15990 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
15991 * tree-ssa-dce.c (pass_dce): Likewise.
15992 * tree-outof-ssa.c (pass_del_ssa): Likewise.
15994 2006-01-05 Richard Guenther <rguenther@suse.de>
15996 * tree-flow.h (struct fieldoff): Decompose field to
15997 type, size and decl.
15998 * tree-ssa-alias.c (create_sft): Take type as parameter.
15999 (create_overlap_variables_for): Store type, size and decl
16000 in the fieldoff structure.
16001 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16002 of struct fieldoff.
16003 (push_fields_onto_fieldstack): Likewise.
16004 (create_variable_info_for): Likewise. Use offset for the
16005 SFT name if the decl is not available.
16007 2006-01-04 Paul Brook <paul@codesourcery.com>
16009 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
16011 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
16013 * lambda-code.c (can_put_in_inner_loop): Relax
16015 (can_put_after_inner_loop): New function.
16016 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
16017 (perfect_nestify): Change to make copies and modify uses.
16019 2006-01-04 Richard Henderson <rth@redhat.com>
16021 Merge from gomp branch:
16022 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
16023 via integer constant.
16024 (pragma_lex): Remove.
16025 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
16026 rather than parsing it.
16027 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
16028 handle_pragma_extern_prefix): Add %< %> quotes.
16029 (registered_pragmas): New.
16030 (c_register_pragma_1): New.
16031 (c_register_pragma): Use it.
16032 (c_register_pragma_with_expansion): Likewise.
16033 (c_invoke_pragma_handler): New.
16034 (init_pragma): Use cpp_register_deferred_pragma directly for
16036 * c-pragma.h (enum pragma_kind): New.
16037 (pragma_handler): New.
16038 (c_invoke_pragma_handler): Declare.
16039 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
16041 * c-common.h (c_common_pch_pragma): Update decl.
16042 * Makefile.in (c-parser.o): Update dependencies.
16043 (GTFILES): Add c-pragma.h.
16044 * c-parser.c (struct c_token): Add pragma_kind.
16045 (struct c_parser): Add in_pragma.
16046 (c_lex_one_token): Always initialize keyword and pragma_kind.
16047 Extract data for CPP_PRAGMA.
16048 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
16049 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
16050 Don't allow CPP_PRAGMA_EOL if in_pragma.
16051 (c_parser_consume_pragma): New.
16052 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
16053 (c_parser_skip_to_end_of_parameter): Likewise.
16054 (c_parser_skip_to_end_of_block_or_statement): Likewise.
16055 (c_parser_skip_to_pragma_eol): New.
16056 (c_parser_external_declaration): Handle CPP_PRAGMA.
16057 (c_parser_compound_statement_nostart): Likewise.
16058 (c_parser_statement_after_labels): Likewise.
16059 (c_parser_pragma): New.
16060 (pragma_lex): Likewise.
16061 (c_parser_pragma_pch_preprocess): New.
16062 (c_parser_new): Merge into ...
16063 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
16065 2006-01-04 Jeff Law <law@redhat.com>
16068 * tree-cfg.c (bsi_replace): Remove the original statement
16069 from the EH throw statement table.
16071 2006-01-04 Jakub Jelinek <jakub@redhat.com>
16073 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
16074 make the prototype extern "C" and add throw ().
16077 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
16078 and pos non-negative and pos + len <= 32.
16079 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
16080 drop pos + len < HOST_BITS_PER_WIDE_INT test.
16081 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
16084 * c-common.c (handle_vector_size_attribute): Reject zero vector size
16085 as well as sizes not multiple of component size.
16088 * function.c (instantiate_expr): New function.
16089 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
16090 walk its DECL_VALUE_EXPR with instantiate_expr.
16092 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
16093 DW_OP_deref{,_size} if address isn't going to be added.
16095 2006-01-04 Ben Elliston <bje@au.ibm.com>
16097 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
16098 * config/fp-bit.c: Likewise.
16100 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
16102 * dominance.c: Add comment about why we use DFS numbering
16105 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16106 Richard Henderson <rth@redhat.com>
16108 Merge from gomp-branch:
16109 * varasm.c (assemble_variable): Handle thread-local COMMON data.
16110 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
16112 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
16114 PR rtl-optimization/25578
16115 * combine.c (combine_simplify_rtx, force_to_mode): Don't
16116 pass a parameter to simplify_shift_const if changing ASHIFTRT
16119 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
16121 * builtins.c (get_builtin_sync_mem): New function.
16122 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
16123 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
16124 Call get_builtin_sync_mem to generate mem rtx.
16126 2006-01-03 Richard Guenther <rguenther@suse.de>
16129 * stmt.c (add_case_node): Make sure to clear overflow flags
16132 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16134 Merge from gomp-branch.
16135 * config/sparc/sync.md: New file.
16136 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
16137 UNSPECV_LDSTUB): New constants.
16138 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
16139 * config/sparc/predicates.md (memory_reg_operand): New predicate.
16140 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
16143 2006-01-03 Roger Sayle <roger@eyesopen.com>
16145 * combine.c (reg_subword_p): New predicate to test whether the
16146 destination of a set refers to a subword/piece of a register.
16147 (try_combine): Generalize the code to merge the setting of a
16148 pseudo to a constant followed by a set of a subword of that
16149 register to a constant.
16151 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
16153 * basic-block.h (control_flow_graph): Change the type of
16154 x_label_to_block_map to VEC(basic_block,gc) *.
16155 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
16156 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
16158 * tree-ssa-propagate.c (cfg_blocks): Change the type to
16159 VEC(basic_block,heap) *.
16160 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
16161 ssa_prop_fini): Adjust the uses of cfg_blocks.
16163 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
16165 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
16167 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
16168 hashing trees instead of a pointer hash.
16169 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
16170 compare for MEM_EXPR.
16172 PR rtl-optimization/25130
16173 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
16174 when comparing MEMs for GCSE
16176 2006-01-03 Ben Elliston <bje@au.ibm.com>
16178 * targhooks.h (default_decimal_float_supported_p): Declare.
16179 * targhooks.c (default_decimal_float_supported_p): Define.
16180 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
16181 `default_decimal_float_supported_p'.
16182 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
16184 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
16186 * combine.c (apply_distributive_law <SUBREG>): Check
16187 TRULY_NOOP_TRUNCATION.
16189 2006-01-02 Geoffrey Keating <geoffk@apple.com>
16191 * dwarf2out.c (have_switched_text_section): Delete.
16192 (have_multiple_function_sections): New.
16193 (have_location_lists): Make 'bool'.
16194 (add_AT_loc_list): Use 'true' not '1'.
16195 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
16196 (output_loc_list): Use have_multiple_function_sections.
16197 (output_ranges): Likewise.
16198 (dwarf2out_begin_function): Set have_multiple_function_sections if
16200 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
16201 Check function_section rather than DECL_SECTION_NAME.
16202 (dwarf2out_finish): Use have_multiple_function_sections.
16203 Don't clear have_location_lists.
16205 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
16206 Jan Hubicka <jh@suse.cz>
16208 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
16209 case of conditional jump jumping to the next instruction.
16210 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
16211 cases of conditional jump jumping to the next instruction.
16213 2006-01-02 Jan Hubicka <jh@suse.cz>
16215 * i386.c (*_cost): Add COSTS_N_INSNS.
16216 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
16218 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
16221 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
16223 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
16225 * config/arm/arm.c (all_fpus): Fix comment typo.
16226 * config/darwin.c: Likewise.
16227 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
16228 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
16229 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
16231 2006-01-01 David Edelsohn <edelsohn@gnu.org>
16233 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
16234 (rs6000_split_compare_and_swapqhi): New.
16235 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
16236 (sync_compare_and_swapqhi_internal): New.
16237 * config/rs6000/rs6000-protos.h: Declare.