1 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
3 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
4 nonlocal function symbols if flag_pic.
6 2006-10-23 Richard Guenther <rguenther@suse.de>
10 * builtins.c (fold_binary): Remove checks for flag_wrapv
11 and flag_trapv where negate_expr_p covers these cases.
13 2006-10-23 Richard Guenther <rguenther@suse.de>
16 * fold-const.c (fold_plusminus_mult_expr): Check exact power
17 of two on the absolute value.
18 (fold_binary): Fold x * -C to -x * C if x is easily negatable
19 and negating -C does not overflow.
21 2006-10-23 Richard Guenther <rguenther@suse.de>
24 * convert.c (convert_to_real): Fold (float)-x to -(float)x
25 only if not flag_rounding_math.
27 2006-10-22 Richard Sandiford <richard@codesourcery.com>
28 Kaz Kojima <kkojima@gcc.gnu.org>
31 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
32 SImode memory reference for the source of a movua.
33 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
34 (movua): Use an unspec instead of sign_extract. Expect the source
36 (extv, insv): Use a BLKmode rather than SImode memory reference
37 for the source of a movua.
39 2006-10-22 Jeff Law <law@redhat.com>
40 Richard Guenther <rguenther@suse.de>
42 PR tree-optimization/15911
43 * tree-vrp.c (extract_code_and_val_from_cond): New function.
44 (register_edge_assert_for_1): Likewise.
45 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
46 (find_conditional_asserts): Adjust for new function signature.
47 (find_assert_locations): Likewise.
49 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
51 * config/i386/tmmintrin.h: Remove the duplicated content.
53 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
55 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
56 (x86_64-*-*): Likewise.
58 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
59 (override_options): Check SSSE3.
60 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
61 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
62 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
63 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
64 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
65 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
66 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
67 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
68 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
69 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
70 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
71 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
72 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
73 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
74 IX86_BUILTIN_PABSD128.
75 (bdesc_2arg): Add SSSE3.
76 (bdesc_1arg): Likewise.
77 (ix86_init_mmx_sse_builtins): Support SSSE3.
78 (ix86_expand_builtin): Likewise.
79 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
81 * config/i386/i386.md (UNSPEC_PSHUFB): New.
82 (UNSPEC_PSIGN): Likewise.
83 (UNSPEC_PALIGNR): Likewise.
84 Include mmx.md before sse.md.
86 * config/i386/i386.opt: Add -mssse3.
88 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
89 (ssse3_phaddwv4hi3): Likewise.
90 (ssse3_phadddv4si3): Likewise.
91 (ssse3_phadddv2si3): Likewise.
92 (ssse3_phaddswv8hi3): Likewise.
93 (ssse3_phaddswv4hi3): Likewise.
94 (ssse3_phsubwv8hi3): Likewise.
95 (ssse3_phsubwv4hi3): Likewise.
96 (ssse3_phsubdv4si3): Likewise.
97 (ssse3_phsubdv2si3): Likewise.
98 (ssse3_phsubswv8hi3): Likewise.
99 (ssse3_phsubswv4hi3): Likewise.
100 (ssse3_pmaddubswv8hi3): Likewise.
101 (ssse3_pmaddubswv4hi3): Likewise.
102 (ssse3_pmulhrswv8hi3): Likewise.
103 (ssse3_pmulhrswv4hi3): Likewise.
104 (ssse3_pshufbv16qi3): Likewise.
105 (ssse3_pshufbv8qi3): Likewise.
106 (ssse3_psign<mode>3): Likewise.
107 (ssse3_psign<mode>3): Likewise.
108 (ssse3_palignrti): Likewise.
109 (ssse3_palignrdi): Likewise.
110 (abs<mode>2): Likewise.
111 (abs<mode>2): Likewise.
113 * config/i386/tmmintrin.h: New file.
115 * doc/extend.texi: Document SSSE3 built-in functions.
117 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
119 2006-10-22 Ira Rosen <irar@il.ibm.com>
121 * tree-vect-transform.c (vectorizable_load): Use the type of the
122 return value of the mask_for_load builtin to create realign_load
125 2006-10-22 Richard Sandiford <richard@codesourcery.com>
127 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
130 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
132 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
133 (UNSPEC_LDDQU): This.
134 * config/i386/sse.md (sse3_lddqu): Updated.
136 2006-10-21 Richard Guenther <rguenther@suse.de>
138 * builtins.c (expand_builtin_int_roundingfn_2): New function.
139 (expand_builtin): Use it to expand lrint instead of
140 expand_builtin_mathfn.
142 2006-10-21 Uros Bizjak <uros@kss-loka.si>
145 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
146 flag_unsafe_math_optimizations is set.
148 2006-10-21 Uros Bizjak <uros@kss-loka.si>
151 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
152 patterns to use memory input operand in x87->mem->XMM
153 reload sequences. Skip transformation for TARGET_K8.
155 2006-10-21 Uros Bizjak <uros@kss-loka.si>
157 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
158 force operand1 to register if both operands are memory operands.
159 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
160 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
161 if both operands are memory operands.
162 (truncdfsf2): Do not force operand1 to register if both operands
165 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
167 * Makefile.in (LIBS): Add $(GMPLIBS).
168 * doc/install.texi: Update GMP and MPFR requirements.
169 * doc/sourcebuild.texi (need_gmp): Delete.
171 2006-10-21 Richard Guenther <rguenther@suse.de>
173 PR tree-optimization/3511
174 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
175 got new invariant arguments during PHI translation.
177 2006-10-21 Richard Guenther <rguenther@suse.de>
180 * fold-const.c (fold_comparison): Fold signed comparisons
181 of the form X +- C1 CMP Y +- C2.
183 2006-10-21 Richard Guenther <rguenther@suse.de>
186 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
187 if flag_unsafe_math_optimizations is specified. We have
188 flag_finite_math_only for that.
189 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
190 or flag_unsafe_math_optimizations.
192 2006-10-21 Richard Guenther <rguenther@suse.de>
194 * builtins.c (fold_builtin_classify): Fix typo.
196 2006-10-21 Richard Guenther <rguenther@suse.de>
199 * simplify-rtx.c (simplify_const_relational_operation):
200 Do not constant-fold ORDERED and UNORDERED for
201 flag_unsafe_math_optimizations but only we do not need to
202 honor NaNs for the given mode.
204 2006-10-21 Richard Guenther <rguenther@suse.de>
207 * config/i386/i386.c (classify_argument): Remove redundant
208 walking of the BINFOs.
209 (contains_128bit_aligned_vector_p): Likewise.
211 2006-10-20 Mark Mitchell <mark@codesourcery.com>
213 * BASE-VER: Set to 4.3.0.
215 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
217 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
218 (tree_decl_with_vis): Remove artificial_pta_var flag.
219 * tree-flow.h (referenced_var_check_and_insert): Expose.
220 (nonlocal_all): New prototype.
221 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
222 (nonlocal_all): Make global.
223 (nonlocal_lookup): Remove.
224 (nonlocal_insert): Ditto.
225 (create_nonlocal_var): Do not call nonlocal_insert.
226 (get_nonlocal_id_for_type): Remove.
227 (find_global_initializers): Mark new vars we find for renaming.
228 (intra_create_variable_infos): Only create one nonlocal.
229 (expand_nonlocal_solutions): Remove.
230 (compute_points_to_sets): Don't call it.
231 (ipa_pta_execute): Ditto.
232 (init_alias_heapvars): Don't create nonlocal_for_type.
233 (delete_alias_heapvars): Don't remove it.
234 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
237 2006-10-19 Brooks Moses <bmoses@stanford.edu>
239 * doc/install.texi (Downloading GCC): Clarify mention of
240 Fortran in the "full distribution" description.
242 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
244 Fix PR tree-optimization/28778
245 Fix PR tree-optimization/29156
246 Fix PR tree-optimization/29415
247 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
248 (tree_decl_with_vis): Add artificial_pta_var flag.
249 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
251 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
252 (nonlocal_all): Ditto.
253 (struct variable_info): Add directly_dereferenced member.
254 (var_escaped_vars): New variable.
255 (escaped_vars_tree): Ditto.
256 (escaped_vars_id): Ditto.
257 (nonlocal_vars_id): Ditto.
258 (new_var_info): Set directly_dereferenced.
259 (graph_size): New variable
260 (build_constraint_graph): Use graph_size.
261 (solve_graph): Don't process constraints that cannot change the
262 solution, don't try to propagate an empty solution to our
264 (process_constraint): Set directly_dereferenced.
265 (could_have_pointers): New function.
266 (get_constraint_for_component_ref): Don't process STRING_CST.
267 (nonlocal_lookup): New function.
268 (nonlocal_insert): Ditto.
269 (create_nonlocal_var): Ditto.
270 (get_nonlocal_id_for_type): Ditto.
271 (get_constraint_for): Allow results vector to be empty in the case
273 Handle results of calls properly.
274 (update_alias_info): Update alias info stats on number and type of
276 (find_func_aliases): Use could_have_pointers.
277 (make_constraint_from_escaped): Renamed from
278 make_constraint_to_anything, and changed to make constraints from
280 (make_constraint_to_escaped): New function.
281 (find_global_initializers): Ditto.
282 (create_variable_info_for): Make constraint from escaped to any
283 global variable, and from any global variable to the set of
285 (intra_create_variable_infos): Deal with escaped instead of
286 pointing to anything.
287 (set_uids_in_ptset): Do type pruning on directly dereferenced
289 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
290 (init_base_vars): Fix comment, and initialize escaped_vars.
291 (need_to_solve): Removed.
292 (find_escape_constraints): New function.
293 (expand_nonlocal_solutions): Ditto.
294 (compute_points_to_sets): Call find_escape_constraints and
295 expand_nonlocal_solutions.
296 (delete_points_to_sets): Don't fall off the end of the graph.
297 (init_alias_heapvars): Initialize nonlocal_for_type and
299 (delete_alias_heapvars): Free nonlocal_for_type and null out
302 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
304 * fold-const.c (add_double): Rename to add_double_with_sign.
305 Add 'unsigned_p' parameter and take it into account for the overflow.
306 (mul_double): Rename to mul_double_with_sign.
307 Add 'unsigned_p' parameter and take it into account for the overflow.
308 (fold_div_compare): Call add_double_with_sign instead of add_double
309 and mul_double_with_sign instead of mul_double, passing them the
310 unsignedness of the type.
311 * tree.h (add_double): Macroize.
312 (add_double_with_sign): New prototype.
313 (mul_double): Macroize.
314 (mul_double_with_sign): New prototype.
316 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
318 * config/score/crti.asm: New file.
319 * config/score/crtn.asm: New file.
320 * config/score/elf.h: New file.
321 * config/score/mac.md: New file.
322 * config/score/misc.md: New file.
323 * config/score/mul-div.S: New file.
324 * config/score/predicates.md: New file.
325 * config/score/score7.md: New file.
326 * config/score/score.c: New file.
327 * config/score/score-conv.h: New file.
328 * config/score/score.h: New file.
329 * config/score/score.md: New file.
330 * config/score/score-mdaux.c: New file.
331 * config/score/score-mdaux.h: New file.
332 * config/score/score-modes.def: New file.
333 * config/score/score.opt: New file.
334 * config/score/score-protos.h: New file.
335 * config/score/score-version.h: New file.
336 * config/score/t-score-elf: New file.
337 * config.gcc: Add score*-*-* configurations(Update before).
338 * doc/invoke.texi (Score Options): New section.
339 * doc/md.texi (Score family): New section to document constraints.
341 2006-10-19 Nick Clifton <nickc@redhat.com>
343 * config/arm/arm.c: Fix spelling typo.
345 2006-10-18 Tom Tromey <tromey@redhat.com>
347 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
349 2006-10-18 Jan Hubicka <jh@suse.cz>
352 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
355 2006-10-18 Marcin Dalecki <martin@dalecki.de>
357 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
358 TSI_SAME_STMT, since that's the desired entity.
360 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
362 * config/s390/contraints.md: New file.
363 * config/s390/s390-protos.h (s390_mem_constraint,
364 s390_O_constraint_str, s390_N_constraint_str,
365 s390_float_const_zero_p): Function prototypes added.
366 * config/s390/s390.c (s390_extra_constraint_str,
367 s390_const_double_ok_for_constraint_p,
368 s390_const_ok_for_constraint_p): Functions removed.
369 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
370 s390_float_const_zero_p): New functions.
371 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
372 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
373 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
374 Macro definitions removed.
375 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
376 s390_extra_constraint_str): Functions removed.
378 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
379 Richard Sandiford <richard@codesourcery.com>
382 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
383 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
385 2006-10-16 Geoffrey Keating <geoffk@apple.com>
387 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
388 (DWARF2_FRAME_REG_OUT): Likewise.
389 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
390 (DWARF2_FRAME_REG_OUT): Likewise.
392 2006-10-17 Paul Brook <paul@codesourcery.com>
394 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
396 2006-10-16 Brooks Moses <bmoses@stanford.edu>
398 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
399 Standardize on "GNU Fortran" as the official name of the Fortran
402 2006-10-16 Mike Stump <mrs@apple.com>
404 * doc/invoke.texi (Darwin Options): Document -mkernel.
405 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
407 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
408 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
409 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
410 (OS_MISSING_ALTIVEC): Add.
411 * config/i386/i386.c (override_options): Add
412 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
413 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
414 -mkernel, -static or -mdynamic-no-pic is given.
415 (C_COMMON_OVERRIDE_OPTIONS): Add.
416 * config/darwin.opt (fapple-kext): Add.
418 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
419 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
421 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
422 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
423 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
424 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
425 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
427 (flag_apple_kext): Add.
428 (TARGET_KEXTABI): Add.
429 * config/darwin.c (darwin_handle_kext_attribute): Add.
430 (DARWIN_VTABLE_P): Add.
431 (darwin_binds_local_p): Add partial support for rebinding vtables
433 (darwin_kextabi_p): Add.
434 (darwin_override_options): Add.
435 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
436 (darwin_kextabi_p): Add.
437 (darwin_override_options): Add.
438 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
439 __DYNAMIC__ and __STATIC__ here.
441 2006-10-16 Brooks Moses <bmoses@stanford.edu>
443 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
444 Added mention of "make pdf" target, and Texinfo requirements for
447 2006-10-16 DJ Delorie <dj@redhat.com>
449 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
450 into the GOT in case we need a subreg of the address.
452 2006-10-16 Richard Guenther <rguenther@suse.de>
455 * doc/extend.texi (X86 Built-in Functions): Fix typos in
456 SSE builtin documentation. Document SSE2 builtins.
458 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
460 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
461 symbol in the output file for non-shared links when -nostdlib or
462 -nodefaultlibs isn't specified.
464 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
465 posix thread support.
467 2006-10-15 Jan Hubicka <jh@suse.cz>
470 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
471 declared always_inline even when not inlining.
473 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
474 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
475 Andrew Pinski <pinskia@gmail.com>
478 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
480 2006-10-15 Jan Hubicka <jh@suse.cz>
481 Richard Guenther <rguenther@suse.de>
484 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
485 process_function_and_variable_attributes on all variables, including
486 those discovered during cgraph construction phase.
488 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
490 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
492 2006-10-14 Uros Bizjak <uros@kss-loka.si>
494 * config/i386/athlon.md (athlon_fist): Add fisttp.
496 2006-10-13 David Edelsohn <edelsohn@gnu.org>
497 Ian Lance Taylor <ian@airs.com>
500 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
501 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
504 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
506 * config/score/score.c, config/score/score.h: Fix comment
509 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
512 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
515 2006-10-13 Eric Christopher <echristo@apple.com>
517 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
519 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
522 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
523 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
524 alignment supported by 32-bit ELF.
526 2006-10-13 Eric Christopher <echristo@apple.com>
528 * config/darwin.c (darwin_emit_unwind_label): Strip
529 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
531 2006-10-13 Richard Guenther <rguenther@suse.de>
533 PR tree-optimization/29446
534 * tree-vrp.c (fix_equivalence_set): Remove.
535 (extract_range_from_assert): Do not call fix_equivalence_set.
536 (debug_value_range): Print a newline.
537 (compare_name_with_value): For equivalence sets with
538 inconsistent value ranges conservatively bail out.
539 (compare_names): Likewise.
541 2006-10-13 David Edelsohn <edelsohn@gnu.org>
543 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
544 and MPFR for gfortran.
546 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
548 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
549 alignment supported by 32-bit ELF.
551 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
555 * c-typeck.c (digest_init): Always allow initializing vectors
556 that have static storage duration with compound literals.
557 * tree.c (build_type_attribute_qual_variant): New, based on
558 build_type_attribute_variant.
559 (build_type_attribute_variant): Rewrite using the former.
560 (make_vector_type): Use build_type_attribute_qual_variant to build
561 type variants. Use type_hash_canon on the others.
563 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
564 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
566 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
568 2006-10-12 Jan Hubicka <jh@suse.cz>
571 * c-decl.c (c_make_fname_decl): Do not segfault in case where
572 current_function_decl is set but current_function_scope is not.
574 2006-10-12 Jie Zhang <jie.zhang@analog.com>
576 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
577 emit_insn to emit eh_return_internal instruction.
578 (eh_return_internal): Explicitly set pc.
580 2006-10-11 Richard Guenther <rguenther@suse.de>
582 PR tree-optimization/28230
583 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
584 to the correct place.
586 2006-10-11 Richard Guenther <rguenther@suse.de>
589 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
592 2006-10-10 Brooks Moses <bmoses@stanford.edu>
594 * configure.ac: Added pdf to "Make-hooks"
595 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
596 targets and *.pdf file patterns in cleanup targets.
597 * configure: Regenerated.
599 2006-10-10 Anatoly Sokolov <aesok@post.ru>
601 * config/avr/predicates.md: New file.
602 * config/avr/avr.md: Include it.
603 (REG_SP): New constant.
604 (peepholes): Use predicates.
605 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
606 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
607 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
609 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
611 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
614 2006-10-10 Jakub Jelinek <jakub@redhat.com>
617 * builtins.c (var_decl_component_p): New function.
618 (fold_builtin_memset, fold_builtin_memory_op): Restrict
619 single entry optimization to variables and components thereof.
621 2006-10-10 Richard Guenther <rguenther@suse.de>
623 PR rtl-optimization/29323
624 * except.c (set_nothrow_function_flags): For functions
625 that do not bind local bail out early.
627 2006-10-10 Ben Elliston <bje@au.ibm.com>
629 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
632 2006-10-09 Richard Henderson <rth@redhat.com>
636 2006-10-09 Richard Guenther <rguenther@suse.de>
639 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
642 2006-10-09 Steve Ellcey <sje@cup.hp.com>
645 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
646 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
647 * configure: Regenerate.
648 * config.in: Regenerate.
650 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
652 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
654 2006-10-08 Richard Sandiford <richard@codesourcery.com>
656 * config/mips/mips.c (mips_legitimize_tls_address): Implement
657 all TLS models in the same way as local exec if !TARGET_ABICALLS.
658 Remove stray newline.
660 2006-10-08 Richard Sandiford <richard@codesourcery.com>
662 * config/mips/mips.c (mips_classify_symbol): Do not return
663 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
664 (mips_in_small_data_p): Tweak comments.
666 2006-10-08 Richard Sandiford <richard@codesourcery.com>
668 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
670 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
672 * gimplify.c, sched-int.h: Fix comment typos.
674 * sched-int.h: Fix comment typos.
676 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
678 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
680 * sched-ebb.c (begin_schedule_ready): Use them.
681 * haifa-sched.c (schedule_insn, move_insn, try_ready,
682 add_to_speculative_block, create_check_block_twin, speculate_insn,
683 fix_jump_move, move_block_after_check): Ditto.
684 * sched-rgn.c (new_ready): Ditto.
686 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
688 PR rtl-optimization/29128
689 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
690 * sched-ebb.c (advance_target_bb): Use it to fix condition to
691 allow interblock movement of speculation checks.
693 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
696 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
697 casted to integer type.
698 (get_address_cost): Decrease cost of [symbol + index] addressing modes
699 if they are significantly more expensive than [reg + index] ones.
701 2006-10-06 Jakub Jelinek <jakub@redhat.com>
703 PR tree-optimization/29330
704 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
705 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
706 on newly allocated ddrs.
707 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
708 to VEC (loop_p, heap) pointer.
709 (compute_data_dependences_for_loop): Adjust caller.
710 (free_dependence_relations): Free DDR_LOOP_NEST.
712 * tree-loop-linear.c (linear_transform_loops): Don't forget to
713 free DEPENDENCE_RELATIONS and DATAREFS.
716 * builtins.c (expand_builtin_sync_operation,
717 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
718 Use convert_to_mode to handle promoted arguments.
720 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
722 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
724 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
726 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
728 2006-10-05 Uros Bizjak <uros@kss-loka.si>
730 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
731 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
732 Use <modeconstraint> instead of "r" as operand 1 constraint.
734 2006-10-06 Olivier Hainque <hainque@adacore.com>
736 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
737 Don't recurse on the pointed-to type.
738 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
739 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
740 types with components of variable size.
742 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
744 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
746 2006-10-06 Jakub Jelinek <jakub@redhat.com>
748 PR tree-optimization/29290
749 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
753 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
754 * config/i386/predicates.md (local_symbolic_operand): Likewise.
757 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
758 the number of vector elements fill the rest with zeros.
760 2006-10-05 Richard Sandiford <richard@codesourcery.com>
762 * config/mips/mips.c (mips_pass_by_reference): Do not return false
763 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
766 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
768 * config/bfin/bfin.md (subsi3): Lose expander, change previously
769 unnamed pattern into subsi3. Use correct constraints/predicates.
770 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
771 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
773 2006-10-05 Ira Rosen <irar@il.ibm.com>
775 * doc/loop.texi: Add data references analysis description.
777 2006-10-04 Brooks Moses <bmoses@stanford.edu>
779 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
781 2006-10-04 Richard Henderson <rth@redhat.com>
782 Jakub Jelinek <jakub@redhat.com>
784 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
785 * builtin-types.def (BT_WORD): Make unsigned.
786 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
787 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
788 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
789 * c-decl.c (grokdeclarator): Don't error if !have_tls.
790 * c-parser.c (c_parser_omp_threadprivate): Likewise.
791 * cgraph.c (decide_is_variable_needed): Look at force_output.
792 Recurse for emulated tls.
793 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
794 checks redundant with decide_is_variable_needed.
795 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
796 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
798 * expr.c (emutls_var_address): New.
799 (expand_expr_real_1): Expand emulated tls.
800 (expand_expr_addr_expr_1): Likewise.
801 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
802 * output.h (emutls_finish): Declare.
803 * toplev.c (compile_file): Call it.
804 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
805 address before wrapping in CONST.
806 * varasm.c (emutls_htab, emutls_object_type): New.
807 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
808 (get_emutls_object_name, get_emutls_object_type): New.
809 (get_emutls_init_templ_addr, emutls_decl): New.
810 (emutls_common_1, emutls_finish): New.
811 (assemble_variable): When emulating tls, swap decls; generate
812 constructor for the emutls objects.
813 (do_assemble_alias): When emulating tls, swap decl and target name.
814 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
816 * emutls.c: New file.
817 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
818 tls_object for real tls.
820 2006-10-04 Zack Weinberg <zackw@panix.com>
822 Fix bug in constraint-check generator, reported by Rask Ingemann
824 * genpreds.c (add_constraint): Don't remove anything from the
826 (write_tm_constrs_h): Detect whether "op" argument is used, and
827 mark it ARG_UNUSED if it isn't.
828 (write_insn_const_int_ok_for_constraint): Skip the part of the
829 expression that would test whether "op" (which is not available
830 here) is a CONST_INT.
832 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
835 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
837 2006-10-03 Geoffrey Keating <geoffk@apple.com>
839 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
840 current Leopard versions.
841 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
843 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
845 * doc/install.texi: Fix typos.
847 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
849 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
850 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
851 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
853 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
855 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
856 arg to be struct mach_header_64* instead.
858 2006-10-02 Jakub Jelinek <jakub@redhat.com>
861 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
862 side effects after the outer expression's post side effects.
864 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
866 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
867 comments to reflect actual behavior and relationship between
868 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
870 * doc/c-tree.texi (Working with declarations): Fix documentation
871 of FIELD_DECL likewise.
873 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
876 * doc/extend.texi: Add used variable attribute description.
878 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
881 * c.opt (Woverride-init): New.
882 * c-opts.c (c_common_post_options): Default warn_override_init to
884 * c-typeck.c (add_pending_init, output_init_element): Warn for
885 overriding initializers without side effects.
886 * doc/invoke.texi (-Woverride-init): Document.
889 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
891 PR rtl-optimization/28096
892 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
893 assignment has already been used as a destination earlier in the block.
895 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
897 * builtins.c (expand_builtin_setjmp): Delete.
898 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
899 <BUILT_IN_SETJMP_SETUP>: New case.
900 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
901 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
902 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
903 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
904 (BUILT_IN_SETJMP_RECEIVER): Likewise.
905 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
906 (lower_function_body): Initialize it to false. If it is set to true
907 at the end of the processing, emit the setjmp dispatcher.
908 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
909 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
910 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
911 on the rhs of the assignment.
912 (lower_builtin_setjmp): New function.
913 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
914 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
915 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
916 to detect calls that can go to non-local labels. Use specific
917 helper to create the abnormal edges associated with them.
918 <MODIFY_EXPR>: Likewise.
919 (make_abnormal_goto_edges): New function extracted from...
920 (make_goto_expr_edges): ...here. Call it for computed gotos.
921 (simple_goto_p): Minor tweak.
922 (tree_can_make_abnormal_goto): New predicate.
923 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
924 (tree_purge_dead_abnormal_call_edges): New function.
925 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
926 (tree_purge_dead_abnormal_call_edges): Likewise.
927 (make_abnormal_goto_edges): Likewise.
928 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
929 Purge all dead abnormal edges if the call was in the last statement.
930 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
931 (execute_fixup_cfg): If there are non-local labels in the function,
932 scan the basic blocks and split them at calls that can go to non-local
933 labels or add missing abnormal call edges. Write down the CFG in the
935 (pass_fixup_cfg): Remove TODO_dump_func flag.
936 * unwind-sjlj.c: Poison setjmp.
937 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
938 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
939 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
940 (DONT_USE_BUILTIN_SETJMP): Document it.
942 2006-09-28 Geoffrey Keating <geoffk@apple.com>
945 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
946 to 1 when __ppc64__ is defined.
947 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
949 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
951 2006-09-28 Steve Ellcey <sje@cup.hp.com>
953 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
954 * config/ia64/unwind-hpux.c: Delete.
956 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
958 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
959 on the element before gimplifying it, instead of punting if it is of
962 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
964 * doc/loop.texi: New file.
965 * doc/gccint.texi: Reference loop.texi.
966 * Makefile.in (loop.texi): Add.
968 2006-09-27 Geoffrey Keating <geoffk@apple.com>
970 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
972 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
973 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
975 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
977 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
979 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
981 * doc/install.texi: Document required versions of GMP and MPFR.
983 2006-09-27 Paul Brook <paul@codesourcery.com>
986 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
988 2006-09-27 Richard Sandiford <richard@codesourcery.com>
990 * reload1.c (alter_reg): Require the alignment of the stack slot to
991 be at least reg_max_ref_width bytes.
992 (scan_paradoxical_subregs): Record the largest width in
995 2006-09-26 Jakub Jelinek <jakub@redhat.com>
999 * tree-nested.c (struct nesting_info): Added static_chain_added.
1000 (convert_call_expr): Set static_chain_added when adding static
1001 chain. Handle OMP_PARALLEL and OMP_SECTION.
1003 2006-09-25 Matthias Klose <doko@debian.org>
1005 * doc/invoke.texi: Add missing full stop.
1007 2006-09-25 Richard Henderson <rth@redhat.com>
1009 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1010 before cgraph_function_flags_ready.
1012 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1013 Adam Nemet <anemet@caviumnetworks.com>
1015 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1016 determine_common_wider_type): New functions.
1017 (get_computation_aff): Use them to simplify arithmetic between
1018 UBASE and CBASE if they are shortened from the same type.
1020 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1023 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1024 -2147483647 - 1 instead of 0x80000000.
1026 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1028 * flags.h (HONOR_NANS): Fix typo in comment.
1030 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1032 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1034 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1038 * tree.c (merge_attributes, attribute_list_contained): If both
1039 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1041 * c-typeck.c (comptypes_internal): Don't consider aggregates
1042 in different TUs as compatible if there one set of attributes is
1043 not a subset of the other type's attributes.
1044 (composite_type): Try harder not to create a new aggregate type.
1046 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1048 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1049 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1050 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
1051 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1052 than replicating condition above.
1053 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1055 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1056 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
1057 the linker by default.
1059 2006-09-22 Mike Stump <mrs@apple.com>
1061 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
1064 2006-09-22 Richard Guenther <rguenther@suse.de>
1067 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
1068 sort of stack variables stable.
1070 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
1073 * explow.c (force_reg): Set REG_POINTER flag according to
1076 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
1078 PR tree-optimization/28888
1079 * tree-if-conv.c (combine_blocks): Rewritten.
1080 * tree-cfg.c (tree_verify_flow_info): Check that edges with
1081 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
1083 2006-09-22 Jakub Jelinek <jakub@redhat.com>
1085 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
1088 2006-09-21 Richard Sandiford <richard@codesourcery.com>
1090 * varasm.c (copy_constant): Fix reversed gcc_assert check.
1092 2006-09-21 Janis Johnson <janis187@us.ibm.com>
1094 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
1096 2006-09-21 Roger Sayle <roger@eyesopen.com>
1099 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
1100 dw_fde_current_label, to be the start of the function, i.e. the same
1101 value as dw_fde_begin.
1103 2006-09-20 Richard Sandiford <richard@codesourcery.com>
1105 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
1106 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
1107 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
1108 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
1109 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
1110 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
1111 (abs<mode>2, neg<mode>2): Likewise.
1112 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
1113 (*mips_abs_ps): New define_insn.
1115 2006-09-20 Josh Conner <jconner@apple.com>
1118 * calls.c (expand_call): Allow reuse of structure return stack
1121 2006-09-20 Paul Brook <paul@codesourcery.com>
1123 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
1126 2006-09-20 Janis Johnson <janis187@us.ibm.com>
1128 * doc/extend.texi (Decimal Float): Update for latest draft TR,
1129 clean up terminology.
1131 2006-09-20 Steve Ellcey <sje@cup.hp.com>
1134 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
1135 with tablejumps in them.
1137 2006-09-20 Jakub Jelinek <jakub@redhat.com>
1140 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
1141 wrap it into TARGET_EXPR.
1143 2006-09-20 Eric Christopher <echristo@apple.com>
1145 * config/i386/i386.c (x86_fisttp): Remove.
1146 * config/i386/i386.h (x86_fisttp): Ditto.
1147 (TARGET_FISTTP): Ditto.
1149 2006-09-19 Eric Christopher <echristo@apple.com>
1151 * doc/tm.texi (OBJC_JBLEN): Describe.
1152 * config/i386/darwin.h (OBJC_JBLEN): Define.
1153 * config/rs6000/darwin.h: Ditto.
1155 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
1157 PR rtl-optimization/21299
1158 * reload1.c (reload): Purge invalid ASMs in the final pass.
1160 2006-09-19 Steve Ellcey <sje@cup.hp.com>
1163 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
1164 pointers as legitimate constants.
1166 2006-09-19 Paul Brook <paul@codesourcery.com>
1169 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
1171 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
1173 PR tree-optimization/28887
1174 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
1175 component parts from the reference.
1176 (gather_memory_references_ref): Record the reference without the
1177 nonaddressable component parts.
1179 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
1182 * c-opts.c (c_common_handle_option): Ignore the -std options
1183 if the input language is assembly.
1185 2006-09-17 Ira Rosen <irar@il.ibm.com>
1188 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
1190 (ptr_ptr_may_alias_p): Likewise.
1191 (record_record_differ_p): New function.
1192 (base_object_differ_p): Call record_record_differ_p.
1194 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1197 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
1198 away for the expr argument.
1200 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1203 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
1204 before using it for dumping after vectorizing loops.
1206 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1207 Jack Howarth <howarth@bromo.med.uc.edu>
1210 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
1211 skip on error_mark_node.
1212 (rs6000_darwin64_record_arg_recurse): Likewise.
1214 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1216 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
1217 * doc/rtl.texi: Remove related documentation.
1219 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
1221 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
1224 2006-09-15 Jim Wilson <wilson@specifix.com>
1226 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
1227 Handle symbol offsets same as they are handled in ia64_expand_move
1230 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
1232 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
1233 Add forgotten parameter to the fprintf call.
1235 2006-09-15 Steve Ellcey <sje@cup.hp.com>
1237 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
1239 2006-09-15 Uros Bizjak <uros@kss-loka.si>
1241 * doc/contrib.texi: Add my entry.
1243 2006-09-15 Nick Clifton <nickc@redhat.com>
1245 * doc/md.texi (Processor pipeline description): Fix typo in
1246 example of how to use the absence_set directive and reword the
1247 description to make it slightly easier to read.
1249 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
1251 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
1252 * loop-doloop.c (doloop_optimize): Use it to limit costs of
1253 expanding the number of iterations.
1254 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
1256 * cfgrtl.c (emit_insn_at_entry): New function.
1257 * rtl.h (emit_insn_at_entry): Declare it.
1258 * integrate.c (emit_initial_value_sets): Use it.
1260 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
1262 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
1264 (struct loop_work and related VEC declarations): Delete.
1265 (bfin_dump_loops): Print out new member bad.
1266 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
1267 (bfin_scan_loop): Don't recurse.
1268 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
1269 loops. No longer need to update outer loops if the current one is
1270 found bad. Move some validitiy checks to bfin_discover_loop.
1271 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
1272 but changed not to check for nesting. Also changed to use the new bad
1274 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
1275 time. Use bitmap based test to discover loop nesting.
1277 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
1279 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
1282 2006-09-14 Richard Guenther <rguenther@suse.de>
1283 Kazu Hirata <kazu@codesourcery.com>
1285 PR middle-end/28884.
1286 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
1287 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
1288 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
1289 with TARGET_FUNCTION_VALUE.
1291 2006-09-14 Anatoly Sokolov <aesok@post.ru>
1294 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
1296 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
1298 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
1301 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1304 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
1307 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1309 * basic_block.h (bb_has_eh_pred): Fix comment.
1311 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1313 * flow.c (calculate_global_regs_live): Invalidate eh registers
1314 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
1315 (propagate_block): Handle eh registers as if they were set at basic
1317 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
1319 * global.c (global_conflicts): Make eh registers to conflict with
1320 pseudos live at basic block begin.
1321 * basic_block.h (bb_has_eh_pred): New function.
1323 2006-09-13 Richard Sandiford <richard@codesourcery.com>
1325 PR rtl-optimization/28982
1326 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
1327 index of a PRE_MODIFY or POST_MODIFY address.
1328 * reload1.c (inc_for_reload): Use find_replacement on the original
1329 base and index registers.
1331 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
1333 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
1334 for -Os. Update __m128 alignment requirement.
1336 2006-09-13 Jan Hubicka <jh@suse.cz>
1338 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
1340 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1342 PR rtl-optimization/28243
1343 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
1344 the insn to which the note was originally attached.
1346 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1347 Roger Sayle <roger@eyesopen.com>
1349 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
1350 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
1351 on platforms that don't use dwarf for debug info.
1353 2006-09-12 Jason Merrill <jason@redhat.com>
1356 * builtins.c (expand_builtin_setjmp_receiver): Clobber
1357 hard_frame_pointer_rtx after using it to update the frame pointer.
1359 2006-09-12 Roger Sayle <roger@eyesopen.com>
1361 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
1362 (TARGET_ASM_CLOSE_PAREN): Likewise.
1363 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
1364 (TARGET_ASM_CLOSE_PAREN): Likewise.
1366 2006-09-12 Roger Sayle <roger@eyesopen.com>
1369 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
1370 frame information for frames larger than 512 Kbytes on Tru64 when
1371 using the native assembler.
1373 2006-09-12 Roger Sayle <roger@eyesopen.com>
1377 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
1378 and symbols. Instead use the implementation from cse.c's hash_rtx.
1380 2006-09-12 Jan Hubicka <jh@suse.cz>
1382 PR rtl-optimization/28071
1383 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
1384 (vect_transform_loop): Likewise.
1385 * tree-vectorizer.c (new_loop_vec_info): Likewise.
1386 (new_loop_vec_info): Likewise.
1387 (destroy_loop_vec_info): Likewise.
1388 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
1389 (create_stmt_ann): Likewise.
1390 (create_tree_ann): Rename to ...
1391 (create_tree_common_ann): ... this one; allocate only the common part
1393 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
1394 (get_value_handle): Likewise.
1395 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
1396 get_tree_common_ann.
1397 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
1398 (vinfo_for_stmt): Use stmt annotations.
1399 * tree-flow.h (tree_ann_common_t): New type.
1400 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
1401 (tree_ann, get_tree_ann, create_tree_ann): New.
1402 * tree-flow-inline.h (get_function_ann): Do more type checking.
1403 (stmt_ann): Likewise.
1404 (tree_ann): Rename to ...
1405 (tree_common_ann): ... this one; return ony common_ann
1406 (get_tree_ann): Rename to ...
1407 (tree_common_ann): This one; return only common_ann.
1408 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
1411 2006-09-11 Geoffrey Keating <geoffk@apple.com>
1413 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
1414 with_cpu by default.
1416 * dwarf2out.c (dwarf_file_data): New.
1417 (enum dw_val_class): Add dw_val_class_file.
1418 (struct dw_val_struct): Add val_file.
1419 (file_table): Change to a hash table.
1420 (file_table_emitted): Delete.
1421 (file_table_last_lookup_index): Delete.
1422 (emitcount): Delete.
1423 (last_emitted_file): New.
1424 (lookup_filename): Change prototype to return a struct dwarf_file_data.
1425 (init_file_table): Delete.
1426 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
1427 (AT_addr): Add comment.
1431 (print_die): Handle dw_val_class_file.
1432 (print_dwarf_line_table): Update for new file table structure.
1433 (attr_checksum): Do checksum a filename.
1434 (same_dw_val_p, same_attr_p): Do compare a filename.
1435 (size_of_die): Handle dw_val_class_file.
1436 (value_format): Likewise.
1437 (output_die): Likewise. Also, call maybe_emit_file here.
1438 (struct file_info): Constify filenames. Make file_idx a pointer
1439 to a struct dwarf_file_data.
1440 (struct dir_info): Constify directory names. Remove 'used' field.
1441 (struct file_name_acquire_data): New.
1442 (file_name_acquire): New.
1443 (output_file_names): Modify to handle new file data structures.
1444 (add_src_coords_attributes): Use add_AT_file.
1445 (add_call_src_coords_attributes): Likewise.
1446 (dwarf2out_imported_module_or_decl): Likewise.
1447 (gen_subprogram_die): Modify for new file data structures.
1448 (gen_variable_die): Likewise.
1449 (file_table_eq): New.
1450 (file_table_hash): New.
1451 (file_table_last_lookup): New.
1452 (lookup_filename): Rewrite to handle new file data structures.
1453 (maybe_emit_file): Rewrite to handle new file data structures.
1454 (dwarf2out_source_line): Always call lookup_filename and
1456 (dwarf2out_init): Create file_table here.
1457 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
1458 (file_table_relative_p): New.
1459 (dwarf2out_finish): Change detection of relative filenames
1460 to work with new file data structures. Move output_line_info call
1461 after debug_info output.
1463 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
1468 * config/i386/i386.c (override_options): Always default to 16
1469 byte stack boundary.
1471 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
1474 * var-tracking.c (dump_dataflow_set): Start dumping at
1476 (clobber_variable_part): Kill only the variable part in
1477 registers holding it, leaving other variables alone.
1479 2006-09-11 Josh Triplett <josh@freedesktop.org>
1481 * doc/extend.texi (Other Builtins): Actually use the macro
1482 argument in the documentation example for
1483 __builtin_types_compatible_p.
1485 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1487 PR rtl-optimization/28726
1488 * sched-deps.c (sched_analyze_reg): New function extracted from...
1489 (sched_analyze_1): ...here. Call it to analyze references to
1490 registers. Treat again writes to a stack register as writing to the
1492 (sched_analyze_2): ...and here. Call it to analyze references to
1493 registers. Treat again reads of a stack register as reading the
1496 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
1497 David Edelsohn <edelsohn@gnu.org>
1500 * config/rs6000/spe.md (frob_df_di): Remove %H.
1501 (frob_di_df): Remove %H. Change evmergelo to mr.
1502 (frob_di_df_2): Remove %H. Change evldd to two loads.
1504 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
1506 * doc/cpp.texi: Fix names of charset options.
1508 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
1511 * config/i386/i386.c (override_options): Use 128-bit
1512 stack boundary always for 64bits.
1514 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1516 PR rtl-optimization/28636
1517 * combine.c (force_to_mode): Test for side-effects before
1518 substituting by zero.
1519 (simplify_shift_const): Likewise for zero or other constants.
1521 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
1524 * builtins.c (expand_builtin_setjmp): Force next_lab to be
1527 2006-09-10 Richard Sandiford <richard@codesourcery.com>
1530 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
1531 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
1532 returned by mode_for_size, rather than the mode of src itself,
1533 to choose between 32-bit and 64-bit patterns.
1534 (mips_mem_fits_mode_p): New function.
1535 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
1536 that the size of the source matches the size of the destination.
1537 (mov_<store>l, mov_<store>r): Likewise.
1539 2006-09-10 Eric Christopher <echristo@apple.com>
1541 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
1544 2006-09-09 Eric Christopher <echristo@apple.com>
1547 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
1550 2006-09-09 Roger Sayle <roger@eyesopen.com>
1551 Nicolas Setton <setton@adacore.com>
1553 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
1555 2006-09-10 Andreas Schwab <schwab@suse.de>
1557 * config/m68k/m68k.md (bungt_rev): New pattern.
1559 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
1560 Dale Johannesen <dalej@apple.com>
1563 * regclass.c (struct reg_pref): Update documentation.
1564 (regclass): Set prefclass to NO_REGS if memory is the best option.
1565 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1567 2006-09-08 Eric Christopher <echristo@apple.com>
1569 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
1570 * config/t-slibgcc-darwin: Support x86_64 multilib.
1571 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
1572 Return 1 for x86_64-darwin.
1573 * config/i386/t-darwin: Add m64 multilib.
1574 (LIB2_SIDITI_CONV_FUNCS): Use.
1575 (LIB2FUNCS_EXTRA): Ditto.
1576 * config/i386/darwin.h: Support x86_64.
1577 * config/i386/i386.c (override_options): Turn on flag_pic
1578 for x86_64-darwin. Disable flag_omit_pointer.
1579 (get_pc_thunk_name): Assert !TARGET_64BIT.
1580 (legitimate_address_p): Disable machopic addressing for
1582 (legitimize_pic_address): Ditto.
1583 (ix86_expand_move): Ditto.
1584 (ix86_expand_call): Ditto.
1585 (machopic_output_stub): Ditto.
1586 * config/darwin.c (machopic_select_section): Support literal16.
1587 (machopic_select_rtx_section): Ditto.
1588 * config/darwin-sections.def: Ditto.
1589 * config/darwin-64.c: New.
1591 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
1594 * c-tree.h (struct c_arg_info): Add pending_sizes.
1595 * c-parser.c (c_parser_parms_declarator,
1596 c_parser_parms_list_declarator): Initialize pending_sizes.
1597 * c-decl.c (get_parm_info): Initialize pending_sizes.
1598 (get_parm_info): Set pending_sizes.
1599 (grokdeclarator): Call put_pending_sizes for parameters for
1600 function definition only.
1602 2006-09-07 Jason Merrill <jason@redhat.com>
1605 * varasm.c (output_constant): Only strip actual no-op conversions.
1608 * config/i386/i386.c (override_options): Use 128-bit
1609 stack boundary if -msse.
1611 2006-09-07 Eric Christopher <echristo@apple.com>
1613 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
1615 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
1618 2006-09-07 Geoffrey Keating <geoffk@apple.com>
1620 * dwarf2out.c: Remove strange characters from comment above
1621 dwarf2out_frame_debug_expr.
1623 2006-09-07 Eric Christopher <echristo@apple.com>
1625 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
1626 * config/darwin.h: ... to here.
1628 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
1630 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
1632 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
1633 (TARGET_PARTIAL_FLAG_REG_STALL): New.
1635 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
1636 TARGET_PARTIAL_FLAG_REG_STALL.
1637 (*ashldi3_cconly_rex64): Likewise.
1638 (*ashlsi3_cmp): Likewise.
1639 (*ashlsi3_cconly): Likewise.
1640 (*ashlsi3_cmp_zext): Likewise.
1641 (*ashlhi3_cmp): Likewise.
1642 (*ashlhi3_cconly): Likewise.
1643 (*ashlqi3_cmp): Likewise.
1644 (*ashlqi3_cconly): Likewise.
1645 (*ashrdi3_cmp_rex64): Likewise.
1646 (*ashrdi3_cconly_rex64): Likewise.
1647 (*ashrsi3_cmp): Likewise.
1648 (*ashrsi3_cconly): Likewise.
1649 (*ashrsi3_cmp_zext): Likewise.
1650 (*ashrhi3_cmp): Likewise.
1651 (*ashrhi3_cconly): Likewise.
1652 (*ashrqi3_cmp): Likewise.
1653 (*ashrqi3_cconly): Likewise.
1654 (*lshrdi3_cmp_rex64): Likewise.
1655 (*lshrdi3_cconly_rex64): Likewise.
1656 (*lshrsi3_cmp): Likewise.
1657 (*lshrsi3_cconly): Likewise.
1658 (*lshrsi3_cmp_zext): Likewise.
1659 (*lshrhi3_cmp): Likewise.
1660 (*lshrhi3_cconly): Likewise.
1661 (*lshrqi2_cmp): Likewise.
1662 (*lshrqi2_cconly): Likewise.
1664 2006-09-07 Uros Bizjak <uros@kss-loka.si>
1667 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
1668 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
1669 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
1670 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
1671 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
1672 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
1673 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
1674 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
1675 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
1676 implement only CC setting effects of shift instructions.
1678 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
1680 * doc/contrib.texi: Add myself.
1682 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
1685 * stor-layout.c (relayout_decl): Don't zero the alignment if it
1686 was set by the user.
1688 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
1691 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
1692 (divsi_inv_m1): Use them.
1693 (UNSPEC_DIV_INV_TABLE): New constant.
1695 2006-09-06 James E Wilson <wilson@specifix.com>
1698 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
1699 then call count_or_remove_death_notes.
1701 2006-09-06 Jason Merrill <jason@redhat.com>
1704 * tree-inline.c (copy_result_decl_to_var): New fn.
1705 (declare_return_variable): Use it. Call declare_inline_vars here.
1706 (expand_call_inline): Not here.
1708 2006-09-06 Diego Novillo <dnovillo@redhat.com>
1710 * doc/contrib.texi: Update my entry.
1712 2006-09-06 Nick Clifton <nickc@redhat.com>
1714 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
1716 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1719 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
1720 (canonicalize_induction_variables): Likewise.
1721 (tree_unroll_loops_completely): Likewise.
1722 (tree_ssa_prefetch_arrays): Likewise.
1723 (remove_empty_loops): Likewise.
1724 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
1725 TODO_cleanup_cfg instead of directly calling
1726 cleanup_tree_cfg_loop.
1727 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
1729 (tree_unroll_loops_completely): Likewise.
1730 (remove_empty_loops): Likewise.
1731 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
1732 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
1733 of tree_ssa_unswitch_loops.
1734 (tree_ssa_loop_ivcanon): Use the return value of
1735 canonicalize_induction_variables.
1736 (tree_ssa_empty_loop): Use the return value of
1738 (tree_complete_unroll): Use the return value of
1739 tree_unroll_loops_completely.
1740 (tree_ssa_loop_prefetch): Use the return value of
1741 tree_ssa_prefetch_arrays.
1742 * passes.c (execute_todo): Before Cleanup CFG, set
1743 updating_used_alone and after cleanup CFG, call
1744 recalculate_used_alone.
1746 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1749 * tree-vect-transform.c (vectorizable_condition): Move the check
1750 for the type after the check for simple condition.
1752 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
1753 Kaz Kojima <kkojima@gcc.gnu.org>
1756 * mode-switching.c (optimize_mode_switching): Make the destination
1757 block of an abnormal edge have no anticipatable mode. Don't
1758 insert mode switching code at the end of the source block of
1761 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
1763 PR rtl-optimization/26847
1764 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
1765 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
1766 (simplify_plus_minus): Count n_constants while filling ops. Replace
1767 qsort with insertion sort. Before going through the array to simplify
1768 pairs, sort it. Delay early exit until after the first sort, exiting
1769 only if no swaps occurred. Simplify pairs in reversed order, without
1770 special-casing the first iteration. Pack ops after simplifying pairs.
1772 2006-09-05 Anatoly Sokolov <aesok@post.ru>
1774 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
1775 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1776 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1777 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
1779 2006-09-05 Richard Guenther <rguenther@suse.de>
1781 PR tree-optimization/28900
1782 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
1783 compound conditional before creating COND_EXPR condition.
1785 2006-09-05 Richard Guenther <rguenther@suse.de>
1787 PR tree-optimization/28905
1788 * tree-vrp.c (fix_equivalence_set): Manually implement
1789 !value_ranges_intersect_p to also handle symbolic ranges.
1791 2006-09-05 Richard Guenther <rguenther@suse.de>
1794 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
1797 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1799 PR rtl-optimization/27616
1800 * cse.c (table_size): New static variable.
1801 (new_basic_block): Initialize it to 0.
1802 (remove_from_table): Decrement it.
1803 (insert): Increment it.
1804 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
1805 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
1806 fold_rtx_mem_1 if under the cap.
1807 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
1808 the lookup of the equivalent expression and test for equality of the
1809 first operand of the equivalent expression before in turn looking up
1810 an equivalent constant for the second operand.
1812 2006-09-02 Geoffrey Keating <geoffk@apple.com>
1815 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1816 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1817 pointer, instead of assuming it is possible to derive the
1818 correct args size from a call insn.
1820 2006-09-02 Jakub Jelinek <jakub@redhat.com>
1823 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
1824 (fold_builtin_mempcpy): Rename to...
1825 (fold_builtin_memory_op): ... this. Optimize one element copy
1827 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
1829 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
1830 (expand_builtin_memcpy, expand_builtin_mempcpy,
1831 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
1832 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
1833 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
1834 BUILT_IN_MEM{CPY,PCPY,MOVE}.
1836 2006-09-01 DJ Delorie <dj@redhat.com>
1838 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
1839 (stzx_16): Likewise.
1840 ("stzx_24_<mode>"): Likewise.
1841 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
1842 ("cmp<mode>_op"): New.
1843 (cmp<mode>): Change to expander; just save operands.
1845 (b<code>): Change to expander, emit compare here.
1846 (s<code>_op): Change to use split and expander.
1847 (s<code>_24_op): Likewise.
1848 (s<code>_<mode>): New.
1849 (s<code>_<mode>_24): New.
1850 (movqicc_<code>_<mode): New.
1851 (movhicc_<code>_<mode>): New.
1854 * config/m32c/m32c.c (compare_op0, compare_op1): New.
1855 (m32c_pend_compare): New.
1856 (m32c_unpend_compare): New.
1857 (m32c_expand_scc): New.
1858 (m32c_expand_movcc): Emit the compare also.
1859 * config/m32c/predicates.md (mra_nopp_operand): New.
1861 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
1862 Richard Guenther <rguenther@suse.de>
1863 Adam Nemet <anemet@caviumnetworks.com>
1866 * builtins.c (get_pointer_alignment): Handle more forms
1867 of base addresses that can be used to derive more precise
1868 information about alignment.
1870 2006-09-01 Jason Merrill <jason@redhat.com>
1873 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
1876 * gimplify.c (voidify_wrapper_expr): Handle null type.
1878 2006-09-01 Josh Conner <jconner@apple.com>
1881 * tree-nrv.c (dest_safe_for_nrv_p): New function.
1882 (execute_return_slot_opt): Use it.
1884 2006-08-31 Josh Conner <jconner@apple.com>
1887 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
1888 returning aggregates.
1890 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
1892 PR tree-optimization/28839
1893 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
1894 blocks in that phi arguments appear.
1896 2006-08-31 Roger Sayle <roger@eyesopen.com>
1899 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
1900 NULL, otherwise use an advance_loc4 to adjust relative to the
1902 (output_cfi) <DW_CFA_set_loc>: Update the current label.
1903 (dwarf2out_switch_text_section): Reset the current label to avoid
1904 using advance_loc4 over section boundaries.
1906 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
1909 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
1910 r12 + SYMBOLIC_CONST.
1912 2006-08-30 Richard Guenther <rguenther@suse.de>
1914 * Makefile.in (see.o): Add $(EXPR_H) dependency.
1916 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
1918 PR rtl-optimization/27735
1919 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
1920 Add new argument to keep track of whether an irreducible region
1921 was affected. All callers changed.
1922 (fix_irreducible_loops): Removed.
1923 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
1924 flags were invalidated.
1926 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
1928 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
1929 instead of SF operands.
1930 (*fop_df_comm_sse): Likewise.
1931 (*fop_df_comm_i387): Likewise.
1932 (*fop_df_1_mixed): Likewise.
1933 (*fop_df_1_sse): Likewise.
1935 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
1936 J"orn Rennecke <joern.rennecke@st.com>
1938 PR tree-optimization/17506
1939 * tree-ssa.c (warn_uninit): If warning about a location outside of
1940 the current function, note where the variable was declared.
1942 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
1944 PR tree-optimization/28411
1945 * double-int.c (double_int_div): Use double_int_divmod.
1946 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
1947 double_int_mod, double_int_smod, double_int_umod): New functions.
1948 * double-int.h (double_int_divmod, double_int_sdivmod,
1949 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
1951 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
1953 (get_computation_aff, get_computation_cost_at): Handle double_int
1954 return type of constant_multiple_of.
1956 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
1959 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
1960 an implicit conversion.
1962 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
1964 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
1966 2006-08-27 Roger Sayle <roger@eyesopen.com>
1968 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
1971 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
1973 * config/i386/crtfastmath.c: Fix a comment typo.
1975 2006-08-26 Roger Sayle <roger@eyesopen.com>
1977 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
1978 temporary visit flags on CASE_LABEL_EXPRs.
1979 * c-common.c (match_case_to_enum): Add function comment. Avoid
1980 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
1981 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
1982 CASE_HIGH_SEEN for enumerated types. If the switch expression is
1983 a constant, only warn if that constant value isn't handled.
1985 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
1988 * input.h (restore_input_file_stack): Declare.
1989 (INPUT_FILE_STACK_BITS): Define.
1990 * toplev.c (fs_p, input_file_stack_history,
1991 input_file_stack_restored, restore_input_file_stack): New.
1992 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
1993 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
1994 (pop_srcloc): Don't free old state of stack.
1996 2006-08-26 David Edelsohn <edelsohn@gnu.org>
1999 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2000 (PowerPC Type Attributes): New.
2002 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2004 * config/xtensa/xtensa.c (function_arg_boundary): New.
2005 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2007 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2008 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2010 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2013 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2016 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2018 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2019 (verify_local_live_at_start): Likewise.
2021 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2024 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2025 omp_add_variable): Treat sizes as variable whenever not
2028 2006-08-26 Richard Guenther <rguenther@suse.de>
2031 * fold-const.c (fold_binary): Fold temporary to correct
2032 type before constructing new comparison.
2034 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2037 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2038 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2040 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2043 * c-decl.c (start_function): Don't try to process prototype
2044 information from old declaration that isn't a function.
2046 2006-08-25 Jan Hubicka <jh@suse.cz>
2049 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2051 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2054 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
2057 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
2059 PR tree-optimization/16876
2060 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
2061 exit if PARM doesn't match VALUE.
2063 2006-08-25 Bob Wilson <bob.wilson@acm.org>
2065 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
2066 literal_prefix directive.
2067 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
2068 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2069 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2071 2006-08-25 David Edelsohn <edelsohn@gnu.org>
2074 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
2075 predicate to general_operand. Add 0->y and I->r alternatives.
2077 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
2079 * doc/tm.texi: Fix a typo.
2080 * predict.c: Fix comment typos.
2082 2006-08-25 Nick Clifton <nickc@redhat.com>
2084 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
2085 assertions of "cpu" and "machine".
2087 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
2090 * tree-ssa-operands.c (access_can_touch_variable): Don't say
2091 the access through a base which has an alias set of 0 cannot
2094 2006-08-24 Bill Wendling <wendling@apple.com>
2096 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
2098 2006-08-24 Jan Hubicka <jh@suse.cz>
2100 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
2102 2006-08-24 Jan Hubicka <jh@suse.cz>
2105 * cgraph.c: Fix comments.
2106 (cgraph_varpool_mark_needed_node): Mark only variables not already
2108 * cgraphunit.c: Update comments; include gt-cgraphunit.h
2109 (cgraph_varpool_assembled_nodes_queue): New static variable.
2110 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
2111 (cgraph_varpool_output_debug_info): New function.
2112 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
2113 * Makefile.in: Add gt-cgraphunit.h
2115 2006-08-24 Jan Hubicka <jh@suse.cz>
2117 * predict.c (probability_reliable_p): New predicate.
2118 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
2119 (predict_loops): Do not predict loop exit with less than 2%
2121 * basic-block.h (edge_probability_reliable_p,
2122 br_prob_note_reliable_p): Declare.
2123 * ia64.h (ia64_print_operand): Do not disable on-chip branch
2124 prediction when static predictor is not reliable.
2125 * rs6000.c (output_cbranch): Likewise.
2127 2006-08-23 Stuart Hastings <stuart@apple.com>
2130 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
2131 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
2133 2006-08-21 Geoffrey Keating <geoffk@apple.com>
2136 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
2137 complex values, nor for generic vector values.
2139 2006-08-22 Richard Guenther <rguenther@suse.de>
2142 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
2143 parameter. Convert arguments to arithmetic expression to the
2145 (analyze_scalar_evolution_1): Adjust caller.
2147 2006-08-22 Jan Hubicka <jh@suse.cz>
2149 Patch by Paolo Bonzini
2150 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
2153 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
2155 PR tree-optimization/28003
2156 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
2157 before grouping aliases.
2159 2006-08-22 Roger Sayle <roger@eyesopen.com>
2161 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
2162 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
2164 2006-08-21 Jason Merrill <jason@redhat.com>
2167 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
2168 wrapper. Loop to handle nested wrappers.
2169 (gimplify_bind_expr): Remove temp parameter.
2170 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
2171 and STATEMENT_LIST on the rhs.
2172 (gimplify_statement_list): Voidify the STATEMENT_LIST.
2173 (gimplify_expr): Pass pre_p to gimplify_statement_list.
2174 (gimplify_target_expr): Remove special BIND_EXPR handling.
2176 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
2178 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
2181 2006-08-21 Olivier Hainque <hainque@adacore.com>
2183 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
2184 Arrange for the temporary captures of components overlapping the lhs
2185 to happen before the lhs is possibly cleared.
2187 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
2189 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
2190 necessary places to pass the correct "number of registers" values
2193 2006-08-20 Jan Hubicka <jh@suse.cz>
2195 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
2196 (create_name_tags): Instead of quadratic checking use hashtable.
2197 * bitmap.h: Include hashtab.h.
2198 (bitmap_hash): Declare.
2199 * bitmap.c (bitmap_hash): New function.
2201 2006-08-20 Jan Hubicka <jh@suse.cz>
2203 PR rtl-optimization/28071
2204 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
2206 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
2207 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
2208 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
2209 cgraph_decide_inlining_incrementally): Update use of
2210 cgraph_check_inline_limits.
2211 * cgraph.c (edge_hash, edge_eq): New function.
2212 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
2213 cgraph_edge_remove_caller, cgraph_node_remove_callees,
2214 cgraph_remove_node): Maintain call site hash.
2215 * cgraph.h (struct cgraph_node): Add call_site_hash.
2216 (cgraph_set_call_stmt): New function.
2218 2006-08-20 Jan Hubicka <jh@suse.cz>
2220 PR rtl-optimization/28071
2221 * reload1.c (reg_has_output_reload): Turn into regset.
2222 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
2223 choose_reload_regs, emit_reload_insns): Update to new
2224 reg_has_output_reload.
2226 2006-08-20 Jan Hubicka <jh@suse.cz>
2229 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
2230 function body sizes.
2231 * cgraphunit.c (cgraph_analyze_function): Don't do so.
2233 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
2236 * tree.c (handle_dll_attribute): Return early if not a
2237 var or function decl.
2239 2006-08-18 Joseph Myers <joseph@codesourcery.com>
2242 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
2243 alignment of SPE vector types.
2245 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
2247 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
2249 2006-08-17 Jakub Jelinek <jakub@redhat.com>
2252 * cgraph.h (struct cgraph_node): Remove externally_visible
2254 * cgraphunit.c (process_function_and_variable_attributes): Set
2255 local.externally_visible rather than externally_visible.
2258 * c-common.c (handle_externally_visible_attribute): First look
2259 at TREE_CODE and only if it is function or var decl, check for
2260 non-public objects. Don't warn for DECL_EXTERNAL.
2261 * cgraphunit.c (process_function_and_variable_attributes): Warn
2262 if externally_visible attribute is used on non-public object.
2264 2006-08-17 Jan Hubicka <jh@suse.cz>
2266 PR tree-optimization/27865
2267 * reload1.c (forget_marked_reloads): New function.
2268 (forget_old_reloads_1): When data are passed, just mark the registers
2270 (reload_as_needed): Use the new mechanizm.
2272 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
2275 * reload.h (reg_equiv_alt_mem_list): New declaration.
2276 * reload1.c (reg_equiv_alt_mem_list): New definition.
2277 (reload): Initialize it and release it.
2278 (delete_output_reload): Use it.
2279 * reload.c (push_reg_equiv_alt_mem): New function.
2280 (find_reloads_toplev): Call it.
2281 (find_reloads_address, find_reloads_address_1): Likewise.
2282 (find_reloads_subreg_address): Likewise.
2284 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2286 PR rtl-optimization/28489
2287 * sched-ebb.c (begin_schedule_ready): Create basic block
2289 (advance_target_bb): Skip empty blocks.
2290 * haifa-sched.c (bb_note): Make global.
2291 * sched-int.h (bb_note): Add prototype.
2293 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2295 PR tree-optimization/27865
2296 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
2298 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
2299 fold_used_pointer, pointer_used_p): New functions.
2300 (analyze_scalar_evolution_1): Use fold_used_pointer.
2301 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
2302 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
2305 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
2308 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
2309 or the INTEGER_CST. Fail on a CALL_EXPR.
2310 (fold_offsetof): Pass new argument to fold_offsetof_1.
2311 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
2312 operand into an INDIRECT_REF.
2313 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
2315 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2317 PR gcov/profile/26570
2318 * value-prof.c (static_values): Removed.
2319 (tree_find_values_to_profile): Do not set static_values.
2320 (find_values_to_profile): Do not free static_values.
2321 * profile.c (instrument_values): Do not free the values.
2322 (branch_prob): Free the values.
2324 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
2326 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
2328 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
2331 * c-typeck.c (build_component_ref): Combine qualifiers of
2332 structure or union and field.
2334 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2336 PR rtl-optimization/28071
2337 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
2338 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
2339 * tree-into-ssa.c (struct dom_dfsnum): New.
2340 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
2342 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
2343 compute_global_livein.
2344 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
2345 in phi nodes in the correct blocks.
2347 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2349 PR tree-optimization/28364
2350 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
2352 (fold_affine_expr): New function.
2353 (may_eliminate_iv): Use fold_affine_expr.
2355 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2358 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
2361 2006-08-16 Mike Stump <mrs@apple.com>
2363 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
2364 * doc/cppopts.texi (-MD): Likewise.
2366 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
2369 * c-common.c (handle_weak_attribute): Ignore and warn if
2370 not a FUNCTION_ or VAR_DECL.
2372 2006-07-15 Mike Stump <mrs@apple.com>
2375 * c-parser.c (c_parser_typeof_specifier): Don't use
2376 c_finish_expr_stmt, open code desired semantics instead.
2378 2006-08-15 Nick Clifton <nickc@redhat.com>
2380 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
2381 fragment to tmake_file only if threads are enabled.
2382 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
2383 * config/i386/t-gthr-win32: New file. ... here.
2385 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2388 * c-parser.c (c_parser_compound_statement_nostart): Reset
2389 parser->error after each statement.
2391 2006-08-15 Jakub Jelinek <jakub@redhat.com>
2394 * omp-low.c (lower_omp_parallel): Convert t to
2395 receiver_decl's type.
2396 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
2397 source before comparison.
2400 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
2401 to itype in assignment to oldival2.
2403 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
2407 * c-typeck.c (build_compound_expr): If the second expression
2408 is an error mark, then just return an error mark instead of
2409 creating a COMPOUND_EXPR.
2411 2006-07-14 Mike Stump <mrs@apple.com>
2413 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
2415 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
2417 * c-decl.c, var-tracking.c: Fix comment typos.
2419 2006-08-14 Richard Sandiford <richard@codesourcery.com>
2421 PR rtl-optimization/28634
2422 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
2423 for floating-point modes unless flag_unsafe_math_optimizations.
2425 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
2426 Andrew Pinski <pinskia@physics.uc.edu>
2429 * tree.c (build_array_type): Unify array types with
2430 unspecified index_type.
2431 * c-decl.c (grokdeclarator): Make sure we do not modify a
2432 unified incomplete array type.
2433 * c-typeck.c (store_init_value): Create distinct type before
2434 filling in the index type in an initializer from a compound
2437 * c-decl.c (grokdeclarator): Remove code where we copy the
2440 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
2442 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
2443 into account for TODO_dump_cgraph.
2444 (TODO_update_ssa_no_phi): Likewise.
2445 (TODO_update_ssa_full_phi): Likewise.
2446 (TODO_update_ssa_only_virtuals): Likewise.
2447 (TODO_remove_unused_locals): Likewise.
2448 (TODO_set_props): Likewise.
2449 (TODO_update_stmt_usage): Likewise.
2451 2006-08-13 Dirk Mueller <dmueller@suse.de>
2453 * c-common.c (strict_aliasing_warning): Fix formatting.
2455 2006-08-13 Matthias Klose <doko@debian.org>
2457 * doc/invoke.texi: Fix spelling errors.
2459 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2461 PR rtl-optimization/23454
2462 * reorg.c (relax_delay_slots): Update comment.
2464 2006-08-11 Richard Guenther <rguenther@suse.de>
2467 * simplify-rtx.c (simplify_const_relational_operation):
2468 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
2471 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
2473 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
2474 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
2476 2006-08-10 Paul Brook <paul@codesourcery.com>
2478 * final.c (final_scan_insn): Clear current_insn_predicate before
2479 outputting inline asm.
2481 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
2483 PR tree-optimization/26197
2484 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
2485 get_ref_base_and_extent and overlap_subvar to add only relevant
2486 subvars as may-aliases.
2487 (add_may_alias_for_new_tag): New function, factored out of
2489 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
2490 with additional argument.
2491 * tree-flow.h (new_type_alias): Takes additional argument.
2493 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
2495 * gcov.c (no_data_file): New flag.
2496 (read_count_file): Set it if data file not present. Assume counts
2498 (output_lines): Don't name the data file, if there wasn't one.
2500 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
2502 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
2503 (rs6000_generate_compare): Tweak comments.
2504 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
2506 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
2508 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
2509 (var_debug_decl): New function.
2510 (var_reg_set): Follow debug decl link. Add location even if
2511 reg is already known to hold some other variable.
2512 (var_mem_set): Follow debug decl link.
2513 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
2514 decl link. Delete other known locations of the variable part
2516 (var_reg_delete, var_mem_delete): Delete other known locations
2517 of the variable part if requested.
2518 (same_variable_part_p): New function.
2519 (add_stores): Select MO_COPY when appropriate.
2520 (vt_initialize): Handle it.
2521 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
2522 known locations for MO_SET and MO_CLOBBER.
2523 (find_variable_location_part): New function.
2524 (set_variable_part, delete_variable_part): Use it.
2525 (clobber_variable_part): New function.
2526 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
2529 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
2531 PR tree-optimization/26969
2532 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
2533 with an empty list of PHIs.
2535 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
2539 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
2542 2006-08-06 Andreas Schwab <schwab@suse.de>
2544 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
2545 string. Whitespace and comment fixup.
2547 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2550 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
2554 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
2557 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
2559 2006-08-04 Jan Hubicka <jh@suse.cz>
2563 * reload.c (push_reload): Patch out the mismatching instruction;
2565 (find_reload): Bail out if the instruction was patched out.
2567 2006-08-04 Jan Hubicka <jh@suse.cz>
2569 PR tree-optimization/24888
2570 * tree-inline.c (expand_call_inline): Do not re-record variables.
2571 (declare_inline_vars): Add variable to unexpanded_var_list.
2573 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2574 Roger Sayle <roger@eyesopen.com>
2576 PR rtl-optimization/26244
2577 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
2578 inner_const are negative or greater than or equal to the bitsize of
2579 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
2580 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
2581 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
2582 CONST0_RTX (mode) when the new shift count is greater than or equal to
2583 to the bitsize of the object being shifted and XEXP (y, 0) has no side
2586 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
2588 * tree-cfg.c: Fix a comment typo.
2590 2006-08-03 Mark Mitchell <mark@codesourcery.com>
2593 * varasm.c (output_constant): Give the front end another chance to
2594 expand constants, after stripping NOPs.
2596 2006-08-03 Jan Hubicka <jh@suse.cz>
2598 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
2601 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
2603 PR tree-optimization/27770
2604 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
2605 declaration removed (moved to tree-flow.h).
2606 (vect_can_force_dr_alignment_p): Likewise.
2607 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
2608 (moved from tree-vectorizer.h).
2609 (vect_can_force_dr_alignment_p): Likewise.
2610 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
2611 from outside the vectorizer - in particular from cgraph stage.
2612 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
2613 the alignment of global arrays when -fsection-anchors is enabled.
2614 * cgraphunit.c (cgraph_increase_alignment): New function.
2615 (cgraph_optimize): Call cgraph_increase_alignment.
2617 2006-08-03 David Edelsohn <edelsohn@gnu.org>
2620 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
2621 not reload a SPE symbol_ref into a lo_sum address.
2623 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
2626 * dwarf2out.c (prune_unused_types_prune): Move call to
2627 prune_unused_types_update_strings to cover the parent DIE also.
2629 2006-08-02 Jan Hubicka <jh@suse.cz>
2631 PR gcov/profile/28480
2632 * tree-cfg.c (change_bb_for_stmt): New function.
2633 (tree_merge_blocks, tree_split_blocks): Use it.
2635 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2641 * toplev.c (compile_file): Return early on errorcount or sorrycount.
2642 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
2643 (cgraph_optimize): Likewise.
2645 2006-08-01 Stuart Hastings <stuart@apple.com>
2647 * rtl.h (UINTVAL) New.
2648 * config/rs6000/rs6000.c (SMALL_INT) Use it.
2649 * testsuite/gcc.dg/20060801-1.c: New.
2651 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
2654 * c-typeck.c (build_external_type): Mark used enum types.
2655 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
2657 (gen_subprogram_die): Whitespace fix.
2659 2006-08-01 Jan Hubicka <jh@suse.cz>
2661 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
2662 bitmap when not needed.
2663 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
2666 2006-08-01 Dirk Mueller <dmueller@suse.de>
2668 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
2670 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2672 * Makefile.in: Revert part of previous patch:
2673 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
2676 2006-07-30 Eric Christopher <echristo@apple.com>
2679 * doc/extend.texi (i386 Variable Attributes): Add anchor.
2680 (PowerPC Variable Attributes): New section.
2682 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
2684 PR target/28126 (partial fix)
2685 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
2687 2006-07-28 Jan Hubicka <jh@suse.cz>
2689 PR rtl-optimization/28071
2690 * cfgrtl.c (rtl_delete_block): Free regsets.
2691 * flow.c (allocate_bb_life_data): Re-use regsets if available.
2693 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2695 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
2696 and variables used in dependencies.
2698 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
2700 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
2701 %fs for -mcmodel=kernel.
2702 (stack_tls_protect_test_di): Likewise.
2704 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
2706 * Makefile.in: Use mkinstalldirs.
2708 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
2711 * opts-common.c (prune_options): Skip joined switches.
2713 2006-07-27 Jan Hubicka <jh@suse.cz>
2715 PR rtl-optimization/28071
2716 * cselib.c (cselib_process_insn): Don't remove useless values too
2717 often for very large hashtables.
2719 2006-07-27 Jan Hubicka <jh@suse.cz>
2721 PR rtl-optimization/28071
2722 * global.c (greg_obstack): New obstack.
2723 (allocate_bb_info): Use it.
2724 (free_bb_info): Likewise.
2725 (modify_reg_pav): Likewise.
2727 2006-07-27 Roger Sayle <roger@eyesopen.com>
2729 * builtins.c (fold_fixed_mathfn): When long and long long are the
2730 same size, canonicalize llceil*, llfloor*, llround* and llrint*
2731 functions to their lceil*, lfloor*, lround* and lrint* forms.
2733 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2736 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
2738 (rev_branch_insn): Likewise.
2740 2006-07-27 Jan Hubicka <jh@suse.cz>
2742 PR rtl-optimization/28071
2743 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
2744 (reg_set_in_bb, max_reg_computed): New static variables.
2745 (regmove_optimize): Free the new array.
2746 (fixup_match_1): Update call of reg_is_remote_constant_p.
2748 2006-07-26 Jan Hubicka <jh@suse.cz>
2750 PR tree-optimization/27882
2751 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
2753 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
2755 (cgraph_analyze_compilation_unit): Likewise.
2756 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
2757 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
2758 (cgraph_early_inlinine): Make order garbage collected.
2759 * Makefile.in (gt-ipa-inline): New garbagecollected file.
2761 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2763 * dbxout.c (output_types_sort): Add a comment.
2764 (output_used_types): Free the VEC.
2766 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2768 * function.c (reorder_fix_fragments): Delete.
2769 (reorder_blocks): Don't call it.
2770 (reorder_blocks_1): Put all subblocks under the origin block.
2772 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
2774 PR rtl-optimization/27907
2775 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
2778 2006-07-25 Roger Sayle <roger@eyesopen.com>
2781 * convert.c (convert_to_integer): When transforming (T)foo(x) into
2782 bar(x) check that bar's result type can represent all the values of T.
2784 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
2786 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
2788 2006-07-25 Nick Clifton <nickc@redhat.com>
2790 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
2791 size_lookup[] array.
2792 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
2793 (ggc_pch_count_object): Likewise.
2794 (ggc_pch_alloc_object): Likewise.
2795 (ggc_pch_write_object): Likewise.
2796 (init_ggc): Do not attempt to initialize entries in the
2797 size_lookup[] array for objects whose size is greater than than
2798 the length of the array.
2800 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
2802 * dbxout.c (output_used_types_helper): Push queued types
2804 (output_types_sort): New.
2805 (output_used_types): Collect used types on a VEC and sort them
2808 2006-07-24 Richard Guenther <rguenther@suse.de>
2811 * cgraph.c (cgraph_remove_node): Do not check if dumps
2813 * cgraphunit.c (cgraph_optimize): Likewise.
2815 2006-07-24 Jan Hubicka <jh@suse.cz>
2817 PR rtl-optimization/28071
2818 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
2819 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
2820 splitting before first stmt.
2822 2006-07-24 Jan Hubicka <jh@suse.cz>
2824 PR rtl-optimization/28071
2825 * ipa-inline.c (update_caller_keys): Remove edges that
2826 are no longer inline candidates.
2828 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
2831 * dbxout.c (output_used_types_helper, output_used_types): New.
2832 (dbxout_symbol): Call output_used_types.
2834 2006-07-23 Jan Hubicka <jh@suse.cz>
2838 * cgraph.c (cgraph_varpool_nodes): Export.
2839 (decide_is_variable_needed): Ignored "used" attribute in
2840 unit-at-a-time mode.
2841 * cgraph.h (cgraph_varpool_nodes): Declare.
2842 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
2843 unit-at-a-time mode.
2845 2006-07-23 Roger Sayle <roger@eyesopen.com>
2848 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
2849 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
2850 the __gthrw form of thr_keycreate.
2851 (__gthread_key_delete): Silence the unused argument warning.
2853 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
2856 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
2857 Cache the last found '\0' marker to avoid quadratic behavior.
2859 2006-07-23 Jan Hubicka <jh@suse.cz>
2861 * i386.md (subsi_3_zext): Fix output template.
2863 2006-07-21 Mike Stump <mrs@apple.com>
2865 * doc/invoke.texi (C++ Dialect Options): Note that
2866 -fvisibility-inlines-hidden doesn't affect explicitly
2867 instantiationed inline methods.
2869 2006-07-20 Roger Sayle <roger@eyesopen.com>
2871 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
2872 if the target assembler is GNU binutils' gas.
2873 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
2874 whether to pass GNU gas or native as command line options.
2876 2006-07-20 Jason Merrill <jason@redhat.com>
2878 * tree.c (remove_attribute): New fn.
2879 * tree.h: Declare it.
2881 2006-07-20 Paul Brook <paul@codesourcery.com>
2884 * cse.c (cse_insn): Add destination addresses to hash table. Check if
2885 they are invalidated by this instruction.
2887 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
2890 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
2892 2006-07-20 Eric Christopher <echristo@apple.com>
2895 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
2897 2006-07-19 Eric Christopher <echristo@apple.com>
2899 * config/t-slibgcc-darwin (stmp-lipo): Remove.
2900 Rewrite dependencies for libgcc_s.1.dylib.
2902 2006-07-19 Jakub Jelinek <jakub@redhat.com>
2904 * except.c (duplicate_eh_regions_1): Clear next_peer.
2906 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
2908 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
2909 -mlongcall does not guarantee all calls will be long.
2910 * doc/extend.texi (long_call/short_call): Document that longcall
2911 does not guarantee a long call will be used.
2912 (longcall/shortcall): Likewise.
2914 2006-07-18 Roger Sayle <roger@eyesopen.com>
2917 * expmed.c (expand_shift): Additionally check that the shift_cost
2918 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
2919 before implementing a LSHIFT_EXPR as a sequence of additions.
2920 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
2921 middle-end that DImode shifts need to be synthesized by expand.
2923 2006-07-18 Diego Novillo <dnovillo@redhat.com>
2926 * tree-ssa-operands.c (access_can_touch_variable): Update
2928 Return true if ALIAS is .GLOBAL_VAR.
2930 2006-07-18 David Daney <ddaney@avtrex.com>
2932 * gcc.c (display_help): Fix typo in help text.
2934 2006-07-18 Olivier Hainque <hainque@adacore.com>
2936 * tree.h (categorize_ctor_elements): Adjust prototype and add
2937 descriptive comment, both in accordance with the interface change
2939 * varasm.c (constructor_static_from_elts_p): New function.
2940 Whether a constructor node is a valid static constant initializer
2941 if all its elements are.
2942 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
2943 * output.h: Declare it.
2944 * expr.c (categorize_ctor_elements_1): Return whether the constructor
2945 is a valid constant initializer instead of computing the number of
2946 non-constant elements. Use constructor_static_from_elts_p for this
2947 purpose. Replace the head comment with an indication that this is a
2948 helper for categorize_ctor_elements.
2949 (categorize_ctor_elements): Same interface change as for the _1
2950 helper. Former head comment from this helper moved here, adjusted to
2951 account for the interface changes.
2952 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
2953 (all_zeros_p): Likewise.
2954 * gimplify.c (gimplify_init_constructor): Decide whether we can make
2955 static versions of the constructor from the categorize_ctor_elements
2956 return value instead of the formerly computed number of non-constant
2959 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
2961 * configure: Regenerate.
2962 * Makefile.in (build_libsubdir): New configure substitution
2963 (build_libobjdir): New variable.
2964 (BUILD_LIBIBERTY): Use it.
2966 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2969 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
2971 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
2974 * c-common.c (handle_weakref_attribute): Ignore attribute in
2975 the same conditions the alias attribute is ignored.
2977 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
2979 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
2980 (dbxout_begin_prologue): Increment scope_labelno.
2982 2006-07-17 Richard Henderson <rth@redhat.com>
2985 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
2988 2006-07-17 Roger Sayle <roger@eyesopen.com>
2989 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2991 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
2992 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
2993 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
2994 functions such as sbrk, write, etc.. Add function prototypes.
2995 Convert function declarations from K&R to ISO C. Cast pointers
2996 to "long" and "unsigned long" instead of "int" and "unsigned int".
2997 Convert tokens following #endif into comments.
2999 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3001 * invoke.texi: Remove mention of f77; Reformat table for
3002 inline parameter options correctly; mention that -malign-double
3003 is default on x86-64 targets.
3005 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3007 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3008 (convert_affine_scev, chrec_convert_aggressive): Use
3009 avoid_arithmetics_in_type_p. Do not check for the subtypes
3012 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3015 * optabs.c (expand_doubleword_shift): Wrap the call to
3016 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3018 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3021 * optabs.c (expand_binop): Pass next_methods rather than methods
3022 to expand_doubleword_shift.
3024 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3027 * tree.h (dump_addr): Declare.
3028 * print-tree.c (dump_addr): New function.
3029 (print_node_brief, print_node): Use it.
3030 * print-rtl.c (print_rtx): Likewise.
3031 * common.opt (-fdump-noaddr): New option.
3032 * doc/invoke.texi (-fdump-noaddr): Document.
3033 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3034 (ve_info_hash): Likewise.
3036 2006-07-13 Andrew Haley <aph@redhat.com>
3038 PR tree-optimization/19505
3039 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3040 edge leaving this block, make sure that the destination of this
3041 block has only one predecessor.
3043 2006-07-17 Richard Guenther <rguenther@suse.de>
3045 PR tree-optimization/28238
3046 * tree-inline.c (copy_bb): Check if we produced valid
3047 gimple copying and substituting a stmt. If not, gimplify
3050 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3052 * optabs.c (maybe_encapsulate_block): New function extracted from...
3053 (emit_libcall_block): ...here. Invoke it on the block of insns to
3054 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3055 (emit_no_conflict_block): Likewise.
3057 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3059 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
3061 2006-07-15 Roger Sayle <roger@eyesopen.com>
3063 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
3064 a new NOP_EXPR case of the switch statement.
3066 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
3069 * stor-layout.c (place_field): Take the bit field with
3070 an excessive size into account in the ms-bitfiled case.
3073 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
3074 the previous bit field.
3076 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
3079 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
3081 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
3083 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
3084 signal frames correctly even when the signal was installed with
3087 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
3089 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
3090 (dbxout_function_end): Use local label LFBB. Remove hook
3092 (dbxout_source_line): Use local label LFBB.
3093 (dbxout_block): Likewise.
3094 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
3095 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
3096 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
3097 and DBX_OUTPUT_NFUN.
3099 2006-07-13 Janis Johnson <janis187@us.ibm.com>
3101 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
3103 2006-07-13 Jan Hubicka <jh@suse.cz>
3105 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
3107 * output.h (align_variable): Declare.
3108 * varasm.c (align_variable): Export.
3109 * value-prof.c (tree_value_profile_transformations): Recompute iterator
3110 when basic block changed.
3112 2006-07-13 Nick Clifton <nickc@redhat.com>
3114 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
3115 walking the LOG_LINKS chain.
3117 2006-07-12 Geoffrey Keating <geoffk@apple.com>
3119 * doc/invoke.texi (C++ Dialect Options): Explain difference
3120 between -fvisibility-inlines-hidden and setting hidden
3121 visibility explicitly.
3123 2006-07-12 Eric Christopher <echristo@apple.com>
3125 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
3126 (stmp-lipo): Depend on libgcc.a.
3128 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
3130 * tree.c: Fix a comment typo.
3132 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
3134 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
3136 (umulhisi3_r): Likewise.
3138 2006-07-12 Paolo Carlini <pcarlini@suse.de>
3141 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
3142 x < 19, vs wchar_t support.
3144 2006-07-12 Nick Clifton <nickc@redhat.com>
3146 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
3147 instead of -isa=sh4.
3149 2006-07-12 Mike Stump <mrs@apple.com>
3151 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
3153 2006-07-10 Eric Christopher <echristo@apple.com>
3155 * config/t-slibgcc-darwin: Rewrite.
3157 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3160 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
3163 2006-07-08 Matthias Klose <doko@debian.org>
3165 * doc/sourcebuild.texi: Fix typo.
3167 2006-07-07 Mike Stump <mrs@apple.com>
3169 * toplev.c (process_options): Don't give -ffunction-sections may
3170 affect debugging warning for Mach-O.
3172 2006-07-07 James E Wilson <wilson@specifix.com>
3174 * config/mips/mips.md (cpu): Add sb1a.
3175 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
3176 addition to sb1. Adjust comments to clarify SB-1A differences from
3178 (ir_sb1a_load): New. Modify bypasses to use it.
3179 (ir_sb1a_simple_alu): Likewise.
3180 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
3181 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
3182 (mips_issue_rate): Add PROCESSOR_SB1A.
3183 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
3184 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
3185 (TARGET_SB1): Add PROCESSOR_SB1A check.
3186 (TUNE_SB1): Likewise.
3188 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
3189 * config/mips/mips.c (mips_store_data_bypass_p): New.
3190 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
3191 store_data_bypass_p.
3193 2006-07-08 Paul Brook <paul@codesourcery.com>
3196 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
3198 2006-07-07 Richard Guenther <rguenther@suse.de>
3201 * tree.h (build_one_cst): Declare.
3202 * tree.c (build_one_cst): New function.
3203 * tree-ssa-math-opts.c (get_constant_one): Remove.
3204 (insert_reciprocals): Use build_one_cst.
3205 * fold-const.c (fold_plusminus_mult): Likewise.
3207 2006-07-07 Roger Sayle <roger@eyesopen.com>
3209 * pointer-set.c (pointer_set_destroy): Correct whitespace.
3210 * cfgloopanal.c (dump_graph): Likewise.
3211 * dojump.c (discard_pending_stack_adjust): Likewise.
3212 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
3214 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
3215 * function.c (finalize_block_changes): Likewise.
3216 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
3217 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
3218 * rtl.c (dump_rtx_statistics): Likewise.
3219 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
3221 * varray.c (dump_varray_statistics): Likewise.
3222 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
3223 decode_decimal64, encode_decimal128, decode_decimal128,
3224 decimal_real_to_decimal): Likewise.
3226 2006-07-07 Richard Guenther <rguenther@suse.de>
3228 PR tree-optimization/28187
3229 * tree-vrp.c (vrp_operand_equal_p): New function.
3230 (vrp_bitmap_equal_p): Likewise.
3231 (update_value_range): Use them to compare old and new
3234 2006-07-06 Roger Sayle <roger@eyesopen.com>
3236 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
3237 a default case to switch statement to silence compiler warnings.
3239 2006-07-06 Roger Sayle <roger@eyesopen.com>
3242 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
3243 the configured assembler supports the x87's ffreep mnemonic.
3244 * configure: Regenerate.
3245 * config.in: Regenerate.
3247 * config/i386/i386.c (output_387_ffreep): New function.
3248 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
3249 (output_387_reg_move): Likewise.
3251 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
3253 Port to hosts whose 'sort' and 'tail' implementations
3254 treat operands with leading '+' as file names, as POSIX
3255 has required since 2001. However, make sure the code still
3256 works on pre-POSIX hosts.
3257 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
3258 which says you should use "tail -c +N" rather than "tail +Nc".
3259 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
3261 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
3263 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
3266 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3269 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
3270 PRE_{INC,DEC} of TFmode.
3272 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3273 Alan Modra <amodra@bigpond.net.au>
3276 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
3279 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3282 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
3283 Remove duplicate gtu.
3285 2006-07-05 Jason Merrill <jason@redhat.com>
3289 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
3290 * c-common.c (handle_packed_attribute): So don't copy it here.
3291 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
3293 2006-07-05 Mike Stump <mrs@apple.com>
3295 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
3297 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
3300 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
3302 2006-07-05 Richard Guenther <rguenther@suse.de>
3305 * config/i386/i386.md (*negdf2_1): Restrict pattern to
3306 TARGET_SSE2 targets if using SSE math.
3307 (*absdf2_1): Likewise.
3309 2006-07-05 Richard Guenther <rguenther@suse.de>
3311 PR tree-optimization/28162
3312 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
3313 make sure to convert the operands to the correct type.
3315 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
3317 PR tree-optimization/28218
3319 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
3320 to calculate and free the dominator information.
3322 2006-07-04 Peter O'Gorman <peter@pogma.com>
3324 * mklibgcc.in: chmod 644 before ranlib during install.
3326 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
3327 J"orn Rennecke <joern.rennecke@st.com>
3329 * configure.ac (.eh_frame data check): Use diff -b.
3331 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3334 * Makefile.in (BUILD_RTL): Add build/vec.o.
3335 (build/gencondmd.o): Filter out -fkeep-inline-functions.
3336 (build/genextract): Delete.
3337 (build/genautomata): Likewise.
3339 2006-07-04 Alan Modra <amodra@bigpond.net.au>
3342 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
3343 128-bit IBM long doubles for ABI_V4.
3345 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
3347 * tree.c (range_in_array_bounds_p): New predicate.
3348 * tree.h (range_in_array_bounds_p): Declare it.
3349 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
3350 return a less conservative answer.
3351 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
3352 and flag 'is_group'.
3353 (IS_ELEMENT_FOR_GROUP): New macro.
3354 (FOR_EACH_ACTUAL_CHILD): Likewise.
3355 (next_child_for_group): New helper function.
3356 (can_completely_scalarize_p): Take into account groups.
3357 (sra_hash_tree): Handle RANGE_EXPR.
3358 (sra_elt_eq): Likewise.
3359 (lookup_element): Be prepared for handling groups.
3360 (is_valid_const_index): Delete.
3361 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
3362 instead of is_valid_const_index.
3363 <ARRAY_RANGE_REF>: New case.
3364 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
3365 is_valid_const_index.
3366 <ARRAY_RANGE_REF>: Do not unconditionally punt.
3367 (scan_dump): Dump info for groups too.
3368 (decide_instantiation_1): Likewise.
3369 (decide_block_copy): Assert that the element is not a group.
3370 Propagate decision to groups.
3371 (generate_one_element_ref): Handle RANGE_EXPR.
3372 (mark_no_warning): Iterate over actual childs.
3373 (generate_copy_inout): Likewise.
3374 (generate_element_copy): Likewise.
3375 (generate_element_zero): Likewise.
3376 (generate_element_init_1): Likewise.
3377 (dump_sra_elt_name): Handle RANGE_EXPR.
3379 2006-07-03 Roger Sayle <roger@eyesopen.com>
3381 PR tree-optimization/26251
3382 * tree-ssa-threadupdate.c (redirection_block_p): New function.
3383 (thread_block): When optimizing for size refuse to thread jumps
3384 that would require duplication of blocks other than redirection
3387 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3389 * configure.ac: Fix thinko in previous check-in.
3390 * configure: Regenerate.
3392 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3395 * configure.ac (for lang...): Simplify nesting of conditionals.
3396 Test subdir_requires for non-enabled languages. Move processing
3397 of lang_opt_files and lang_tree_fiels below that test.
3398 * configure: Regenerate.
3399 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
3401 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
3403 * doc/gcov.texi (Invoking Gcov): Add a missing word.
3405 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
3407 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
3410 2006-06-29 Jason Merrill <jason@redhat.com>
3417 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
3418 * c-common.c (c_determine_visibility): Handle it here.
3419 * c-decl.c (finish_decl): Call c_determine_visibility for
3421 * flags.h (enum symbol_visibility): Sort from most to least visibility.
3423 * varasm.c (default_assemble_visibility): Likewise.
3424 * c-common.c (handle_visibility_attribute): Complain about trying
3425 to give visibility to an already defined class, or trying to change
3426 declared visibility. Always attach the attribute.
3431 * attribs.c (decl_attributes): Ignore type-in-place attributes
3432 once the type has been defined.
3434 2006-06-29 Roger Sayle <roger@eyesopen.com>
3437 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
3438 to indicate the cpplib has issued an error message for us.
3440 2006-06-29 Asher Langton <langton2@llnl.gov>
3443 * config/i386/i386.c (ix86_output_function_epilogue): Don't
3444 insert a label at the end of an function under Mach-O.
3446 2006-06-29 Eric Christopher <echristo@apple.com>
3447 Evan Cheng <evan.cheng@apple.com>
3449 * predicates.md (vector_all_ones_operand): New.
3450 (nonimmediate_or_sse_const_operand): Ditto.
3451 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
3452 * config/i386/i386.c (standard_sse_constant_opcode): Define.
3453 (standard_sse_mode_p): Ditto.
3454 (standard_sse_constant_p): Add case for -1 vector.
3455 (ix86_expand_vector_move): Try to use.
3456 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
3457 Call standard_sse_constant_opcode.
3458 (*movv4sf_internal): Ditto.
3459 (*movv2df_internal): Ditto.
3461 2006-06-29 Roger Sayle <roger@eyesopen.com>
3463 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
3464 of XEXP to extract the operands of a MATCH_CODE rtx.
3466 2006-06-28 Andrew Pinski <pinskia@gmail.com>
3468 * tree.c (tree_size): Do not waste tail padding in
3469 struct tree_string and make the size be the same as
3470 build_string will generate.
3472 2006-06-28 Jason Merrill <jason@redhat.com>
3475 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
3476 may_aliases already in the tag's annotations to the bitmap.
3478 2006-06-28 Roger Sayle <roger@eyesopen.com>
3480 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
3482 2006-06-28 Roger Sayle <roger@eyesopen.com>
3484 * genpreds.c (generate_switch_p): New function.
3485 (add_mode_tests): Push the new mode test down inside an AND expr
3486 if this allows the switch-suitable MATCH_CODE to be near the root.
3487 (write_match_code_switch): New function to write a MATCH_CODE as
3489 (write_predicate_stmts): New function to write a predicate RTX
3490 expression as a sequence of statements.
3491 (write_one_predicate_function): Use write_predicate_stmts.
3492 (write_tm_constrs_h): Likewise.
3494 2006-06-26 Fred Fish <fnf@specifix.com>
3496 * config/mips/t-sb1: New file.
3497 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
3500 2006-06-26 DJ Delorie <dj@redhat.com>
3502 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
3504 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
3505 Jayant Sonar <jayants@kpitcummins.com>
3506 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
3508 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
3509 (subsi3, subsi3_1, subsi3_2): New.
3510 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
3511 * config/m32c/mov.md (SI mov peephole): New.
3512 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
3513 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
3515 2006-06-26 Olivier Hainque <hainque@adacore.com>
3517 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
3518 a CALL_EXPR target function declaration.
3520 2006-06-26 Richard Guenther <rguenther@suse.de>
3522 * tree.c (build_string): Do not waste tail padding in
3525 2006-06-26 Richard Guenther <rguenther@suse.de>
3527 * ggc-page.c (init_ggc): Add missing element to size_lookup
3531 2006-06-23 Richard Guenther <rguenther@suse.de>
3533 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3534 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3535 alignment requests instead. Add verification code.
3536 Add struct tree_function_decl and struct tree_binfo size to
3537 extra_order_size_table. Add missing element to size_lookup
3540 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
3543 * fold-const.c (const_binop): Be prepared for self returning zero.
3544 Simplify code handling complex values.
3546 2006-06-24 Olivier Hainque <hainque@adacore.com>
3548 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
3549 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
3552 2006-06-24 Olivier Hainque <hainque@adacore.com>
3554 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
3555 ARRAY_REF, so have the callback called for the low bound expression.
3557 2006-06-23 Janis Johnson <janis187@us.ibm.com>
3559 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
3560 * c-typeck.c (c_common_type): Disallow operations on decimal float
3561 types and other float types.
3562 * convert.c (convert_to_real): Don't ignore conversions involving
3563 decimal float types.
3565 2006-06-23 Olivier Hainque <hainque@adacore.com>
3567 * tree.c (max_int_size_in_bytes): New function, inspired from
3568 code in function.c:assign_temp.
3569 * tree.h (max_int_size_in_bytes): Declare.
3570 * function.c (assign_temp): Use it.
3571 * gimplify.c (create_tmp_var): Relax the assertions on the type
3572 properties, not mandating constant size any more.
3573 (force_constant_size): New static function.
3574 (gimple_add_tmp_var): Use it, forcing variable size to a
3575 constant upper bound if it is not constant on entry.
3577 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
3580 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
3581 for initialization and setting of one_only flag to ...
3582 (i386_pe_encode_section_info): ...here.
3583 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
3584 Recheck that the symbol has not been defined.
3586 2006-06-23 Richard Guenther <rguenther@suse.de>
3588 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3589 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3590 alignment requests instead. Add verification code.
3591 Add struct tree_function_decl and struct tree_binfo size to
3592 extra_order_size_table. Add missing element to size_lookup
3595 2006-06-22 Roger Sayle <roger@eyesopen.com>
3596 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3599 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
3600 call to lang_hooks.types.type_for_mode returned NULL_TREE.
3602 2006-06-23 Ben Elliston <bje@au.ibm.com>
3604 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
3605 negate dn -- manipulate it directly.
3607 2006-06-22 Roger Sayle <roger@eyesopen.com>
3608 Steven Bosscher <stevenb.gcc@gmail.com>
3611 * reload1.c (gen_reload): Call mark_jump_label on the new insns
3612 generated by gen_move_insn to add REG_LABEL notes if necessary.
3614 2006-06-22 Bob Wilson <bob.wilson@acm.org>
3616 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
3617 (leaf_entry): Remove use of MIN_ESA.
3619 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
3621 PR rtl-optimization/28121
3622 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
3625 2006-06-21 DJ Delorie <dj@redhat.com>
3627 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
3629 (mulhisi3_r): Likewise.
3631 2006-06-21 Richard Sandiford <richard@codesourcery.com>
3634 * coverage.c (coverage_counter_alloc): Leave the index type
3636 (coverage_counter_alloc): Use null arguments for operands 2 and 3
3639 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
3641 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
3642 section from the "Options for Code Generation Conventions".
3644 2006-06-21 Richard Henderson <rth@redhat.com>
3648 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
3650 (global_symbolic_operand): Allow weak symbols, even if local_p.
3652 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
3654 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
3655 (find_interesting_uses_address): Punt if above function returns true.
3657 2006-06-21 Richard Guenther <rguenther@suse.de>
3659 * configure: Regenerated.
3661 2006-06-21 Joseph Myers <joseph@codesourcery.com>
3663 * config/mips/mips.c (function_arg): Where one part of a
3664 complex argument is in registers and the other part in the stack,
3665 return a REG not a PARALLEL.
3667 2006-06-21 Mark Mitchell <mark@codesourcery.com>
3669 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
3670 when cross-compiling. Do not substitute libstdcxx_incdir.
3671 * configure: Regenerated.
3673 2006-06-21 Jakub Jelinek <jakub@redhat.com>
3675 * varasm.c (mergeable_string_section): Check for embedded NULs and
3676 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
3677 rather than TREE_STRING_LENGTH bytes.
3679 2006-06-21 Richard Guenther <rguenther@suse.de>
3681 * ggc-page.c (extra_order_size_table): Add var_ann_d,
3682 tree_ssa_name, bitmap_element and phi_node with 4 arguments
3685 2006-06-21 Richrad Guenther <rguenther@suse.de>
3687 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
3688 Limit iteration over the dominators.
3690 2006-06-20 Roger Sayle <roger@eyesopen.com>
3692 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
3693 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
3695 2006-06-20 Richard Guenther <rguenther@suse.de>
3696 Michael Matz <matz@suse.de>
3698 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
3700 * alloc-pool.c (free_alloc_pool_if_empty): New function.
3701 * et-forest.h (et_free_pools): Prototype new function.
3702 * et-forest.c (et_free_tree_force): Free parent occurrence.
3703 (et_free_pools): New function.
3704 * dominance.c (free_dominance_info): Free et-forest alloc
3707 2006-06-20 Roger Sayle <roger@eyesopen.com>
3709 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
3710 integer modes, attempt to directly construct an integer constant.
3712 * fold-const.c (native_encode_vector): Determine the size of each
3713 element from the vector type instead of the first vector element.
3715 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
3716 if all of its elements/components are constant.
3717 (build_constructor_from_list): Likewise.
3719 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
3721 PR tree-optimization/27331
3722 * tree-data-ref.c (free_data_ref): New function.
3723 (create_data_ref): Fail if the data reference has unknown access
3725 (free_data_refs): Use free_data_ref.
3727 2006-06-19 Andrew Pinski <pinskia@gmail.com>
3730 * tree-inline.c (setup_one_parameter): Strip useless
3731 type conversion before adding it to the IR.
3732 (declare_return_variable): Likewise.
3734 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
3737 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
3739 2006-06-19 Mike Stump <mrs@apple.com>
3741 * tree.c (variably_modified_type_p): VM arguments don't make the
3744 2006-06-19 Richard Guenther <rguenther@suse.de>
3746 * tree-ssa-pre.c (try_combine_conversion): Strip useless
3747 type conversions after folding.
3749 2006-06-19 Richard Guenther <rguenther@suse.de>
3751 * ggc-page.c (extra_order_size_tab): Add entries with
3752 size of struct function and basic_block.
3753 (size_lookup): Extend to cover sizes up to 511.
3754 (ggc_alloc_stat): Adjust user.
3755 (ggc_pch_count_object): Likewise.
3756 (ggc_pch_alloc_object): Likewise.
3757 (ggc_pch_write_object): Likewise.
3759 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
3761 * tree-ssa-loop-niter.c (implies_ge_p): New function.
3762 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
3765 2006-06-19 Denis Chertykov <denisc@overta.ru>
3767 * config/avr/libgcc.S : Correct my wrong previous commit.
3769 2006-06-19 Roger Sayle <roger@eyesopen.com>
3772 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
3773 have stripped a SUBREG from the shift count, so we may need to
3774 convert_to_mode back to the type's mode before calling make_tree.
3775 Use new_amount instead of amount to avoid expanding a tree twice.
3777 2006-06-19 Richard Guenther <rguenther@suse.de>
3780 * fold-const.c (operand_equal_p): Check if the argument types
3781 have the same precision before stripping NOPs.
3783 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
3785 Fix PR tree-optimization/27341
3786 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
3788 * tree-complex.c (pass_lower_complex): Update SMT usage.
3790 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
3792 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
3793 Add a new alternative to the constraint strings. Add move of
3794 operand 1 to 3 to the splitter definition.
3795 ("doloop_si_long"): Second contraint alternative removed.
3797 2006-06-08 Anatoly Sokolov <aesok@post.ru>
3799 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
3800 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
3802 (AVR_HAVE_MOVW) Define.
3803 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
3804 (ASM_SPEC): Add avr25.
3805 (LINK_SPEC): Add avr25.
3806 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
3807 (base_arch_s): Add new member 'have_movw_lpmx'.
3808 (avr_arch_types): Init 'have_movw_lpmx'.
3809 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
3810 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
3811 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
3812 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
3813 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
3815 (avr_file_start): Do not output '.arh' derective.
3816 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
3817 (__do_copy_data): Use __AVR_HAVE_LPMX__.
3818 * config/avr/avr.md (mcu_enhanced): Delete.
3819 (mcu_have_movw): Define.
3820 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
3821 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
3822 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
3823 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
3824 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
3825 attiny861 and at86rf401 devices.
3827 2006-06-18 Jie Zhang <jie.zhang@analog.com>
3829 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
3832 2006-06-17 Karl Berry <karl@gnu.org>
3834 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
3835 doc/gccint.texi, doc/install.texi (@dircategory): Use
3836 "Software development" instead of "Programming", following
3837 the Free Software Directory.
3839 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
3841 * config/i386/i386.c (legitimate_tls_address)
3842 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
3843 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
3844 (*tls_dynamic_gnu2_combine_64): Likewise.
3846 2006-06-16 Richard Guenther <rguenther@suse.de>
3849 * fold-const.c (negate_expr_p): Do not introduce undefined
3850 overflow in negating INTEGER_CSTs.
3851 (fold_negate_expr): Rename from negate_expr. Revert last
3852 change for folding BIT_NOT_EXPR. Change semantics to
3853 return NULL_TREE for non-simplified negations. Do not
3854 strip type conversions and unify type handling.
3855 (negate_expr): New function, wrap around fold_negate_expr
3856 but ensure building a tree always. Strip type conversions
3857 here, fold to result type.
3858 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
3860 2006-06-16 Roger Sayle <roger@eyesopen.com>
3863 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
3864 that (would) return their results in stack registers.
3866 2006-06-16 Michael Matz <matz@suse.de>
3867 Richard Guenther <rguenther@suse.de>
3869 * fold-const.c (fold_truthop): Only return new tree node if
3870 we canonicalized something.
3872 2006-06-16 Richard Guenther <rguenther@suse.de>
3874 * function.h (enum function_frequency): Move declaration
3875 out of struct function.
3876 (struct function): Move bool fields and the enum to the bitfield
3877 section. Reorder elements to avoid padding. Remove unused
3878 fields left over from the RTL inliner removal.
3879 * function.c (free_after_compilation): Do not zero removed fields.
3880 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
3881 (ipa-type-escape.o): Likewise.
3883 2006-06-16 Richard Guenther <rguenther@suse.de>
3885 * cgraph.h (struct cgraph_local_info): Turn bool elements
3887 (struct cgraph_node): Likewise.
3888 (struct cgraph_varpool_node): Likewise.
3890 2006-06-15 Richard Guenther <rguenther@suse.de>
3892 * fold-const.c (fold_truth_not_expr): Rename from
3893 invert_truthvalue. Give it fold_* semantics to avoid
3895 (invert_truthvalue): New function. Wrapper around
3896 fold_truth_not_expr.
3897 (optimize_minmax_comparison): Avoid creating garbage.
3898 (fold_unary): Use fold_truth_not_expr for folding
3900 (fold_ternary): Replace uses of invert_truthvalue with
3901 fold_truth_not_expr where applicable.
3902 * tree.h (fold_truth_not_expr): Prototype.
3904 2006-06-16 Richard Guenther <rguenther@suse.de>
3906 PR tree-optimization/27781
3907 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
3908 * ipa-pure-const.c (target.h): Include.
3909 (analyze_function): Do not analyze functions that do not
3912 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
3915 * tree-dfa.c (referenced_vars_dup_list): Remove.
3916 (find_referenced_vars): Remove assert.
3917 (referenced_var_check_and_insert): Replace dup list with assert.
3918 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
3919 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
3921 2006-06-15 Richard Guenther <rguenther@suse.de>
3923 * tree-ssa-structalias.c (alias_get_name): Avoid creating
3924 extra unused identifiers if not dumping.
3925 (create_variable_info_for): Likewise.
3927 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
3929 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
3930 (derive_constant_upper_bound): Derive more precise upper bound in
3931 common cases. Return type changed to double_int.
3932 (record_estimate): Reflect the changed return type of
3933 derive_constant_upper_bound.
3934 * double-int.c (double_int_zext, double_int_sext): Fix.
3936 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
3938 * configure.ac (CFLAGS): Get them from the toplevel or from the
3939 configure invocation.
3940 * configure: Regenerate.
3941 * Makefile.in (CFLAGS): Substitute value provided by configure.
3943 2006-06-14 Mark Mitchell <mark@codesourcery.com>
3946 * c-common.h (c_finish_omp_atomic): Adjust declaration.
3947 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
3948 rather than calling add_stmt on it.
3949 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
3951 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
3954 * reload1.c (reload): Remove registers returned by update_eliminables
3955 from used_spill_regs.
3957 2006-06-13 DJ Delorie <dj@redhat.com>
3959 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
3961 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
3963 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
3964 html__strip_dir, html__mkdir_p. Enhance install-html target.
3965 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
3966 * configure: Regenerate.
3968 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
3970 * fold-const.c (fold_cond_expr_with_comparison): Check for
3971 Objective-C++ as language in deciding COND_EXPR transformation.
3973 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
3976 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
3977 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
3978 * config/sh/lib1funcs.h (SL, SL1): Define.
3979 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
3980 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
3981 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
3982 (OBJS_Os_4_200): New variable.
3983 ($(T)libgcc-Os-4-200.a): Use it.
3984 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
3985 when dividing 1 and/or by 0.
3987 2006-06-13 Roger Sayle <roger@eyesopen.com>
3989 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
3990 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
3991 * configure: Regenerate.
3993 2006-06-13 Jie Zhang <jie.zhang@analog.com>
3995 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
3996 for real instruction.
3998 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4001 * haifa-sched.c (check_cfg): Handle special case.
4003 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4006 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4007 Add debug_info parameter. Chain the vars to the BLOCK instead
4008 of the BIND_EXPR if debug info are requested for them.
4009 (pop_gimplify_context): Adjust for above change.
4010 (gimple_add_tmp_var): Likewise.
4011 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4013 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4014 (convert_local_reference): Likewise.
4015 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4016 (finalize_nesting_tree_1): Request that debug info be emitted
4017 for debug_var_chain.
4019 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4021 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4022 for PR target/27863.
4024 2006-06-13 Richard Guenther <rguenther@suse.de>
4027 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4029 2006-06-13 Richard Guenther <rguenther@suse.de>
4031 PR tree-optimization/27830
4032 * tree-inline.c (copy_body_r): For copying the operand
4033 of an ADDR_EXPR make sure to fold &* afterwards.
4035 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4037 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4038 lvalues in the fb_none case with side-effects.
4040 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4042 * tree-flow.h: Remove the prototype for
4043 compute_phi_arg_on_exit.
4044 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4045 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4048 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4050 * builtins.c (expand_builtin_return_addr): Only use
4051 frame_pointer_rtx when count == 0 and we are expanding
4052 __builtin_return_address.
4054 2006-06-12 Fred Fish <fnf@specifix.com>
4056 * config/mips/mips.c (mips_file_start): Create special section
4057 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
4059 2006-06-11 Eric Christopher <echristo@apple.com>
4062 * stor-layout.c (place_field): Remove check for
4063 remaining_in_alignment when aligning at the end of a run.
4065 2006-06-11 Eric Christopher <echristo@apple.com>
4068 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
4071 2006-06-11 Roger Sayle <roger@eyesopen.com>
4074 Revert incorrect fix for PR target/27158
4075 2006-05-08 Roger Sayle <roger@eyesopen.com>
4076 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4077 of a reg_equiv_constant if the result is a legitimate constant.
4079 2006-06-11 Roger Sayle <roger@eyesopen.com>
4082 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
4083 extract a CONST_VECTOR element and interpret it as an integer.
4084 (vspltis_constant): Use const_vector_elt_as_int instead of the
4085 macro CONST_VECTOR_ELT in order to handle FP vector modes.
4086 * config/rs6000/predicates.md (easy_vector_const): Consider
4087 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
4089 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
4092 * stor-layout.c (update_alignment_for_field): Don't add extra
4093 alignment for packed non-bitfield fields in ms_bitfield_layout_p
4096 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
4098 * config/mips/t-rtems: Add EL/EB multilib variants.
4100 2006-06-09 Mike Stump <mrs@apple.com>
4102 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
4104 2006-06-09 David Daney <ddaney@avtrex.com>
4106 * doc/install.texi: Add binutils version recommendation for mips-*-*.
4108 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
4110 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
4112 2006-06-09 Richard Guenther <rguenther@suse.de>
4114 PR tree-optimization/26998
4115 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
4116 of signed types, only TYPE_MIN_VALUE is special, but for both,
4117 minimum and maximum value. Likewise VR_ANTI_RANGE is special
4118 in this case, as is -fwrapv.
4120 2006-06-08 Mike Stump <mrs@apple.com>
4123 * config/darwin.c (darwin_asm_output_anchor): Disable
4124 -fsection-anchors on darwin for now.
4125 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
4126 * rs6000/rs6000.c (optimization_options): Likewise.
4128 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4131 * config/i386/i386.c (classify_argument): Skip fields with invalid
4134 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
4136 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
4137 (cse_insn): Likewise for the stack_pointer_rtx.
4139 2006-06-08 Roger Sayle <roger@eyesopen.com>
4141 * tree-ssa-dom.c (record_conditions): Only record "unordered"
4142 conditions from floating point comparisons.
4144 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
4147 * expmed.c (struct alg_hash_entry): Fix type of field T
4148 to match synth_mult argument.
4149 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
4151 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4154 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
4157 2006-06-08 Richard Guenther <rguenther@suse.de>
4160 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
4161 only, if overflow is defined and not trapping.
4162 (negate_expr): Likewise.
4164 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4166 PR tree-optimization/27872
4167 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
4168 flag on the new exit edge of the unrolled loop.
4170 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4172 PR rtl-optimization/26449
4173 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
4175 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
4178 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
4179 referenced_variables with matching DECL_UID's.
4180 (find_referenced_vars): Make sure duplicate list is empty to start.
4181 (referenced_var_p): Remove.
4182 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
4183 Check if var is in the list, and add if needed. Update the duplicate
4184 list if a different var is in the list with the same DECL_UID.
4185 (add_referenced_var): Call routine to check and insert.
4186 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
4187 * tree-flow.h (referenced_vars_dup_list): External declaration.
4189 2006-06-07 Fred Fish <fnf@specifix.com>
4191 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
4194 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
4197 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
4198 the imaginary and real parts of a clobbered register.
4199 Emit insn to set the imaginary part.
4201 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
4203 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
4204 in lieu of unwind-dw2-fde.c.
4206 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4208 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
4210 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
4213 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
4214 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
4215 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
4216 V4SImode temporaries and operations instead.
4218 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
4220 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
4223 2006-06-06 Mike Stump <mrs@apple.com>
4225 * Makefile.in: Rename to htmldir to build_htmldir to avoid
4226 installing during build.
4228 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4230 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
4232 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4233 * config/ia64/ia64.c (params.h): New header.
4234 (ia64_optimization_options): New function to adjust parameters.
4235 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
4236 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
4237 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
4239 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
4241 * stor-layout.c (debug_rli): Fix a typo in a debug message.
4243 2006-06-05 Steve Ellcey <sje@cup.hp.com>
4246 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
4248 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
4249 Victor Kaplansky <victork@il.ibm.com>
4251 PR tree-optimization/26360
4252 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
4255 2006-06-04 Roger Sayle <roger@eyesopen.com>
4256 Andrew Pinski <pinskia@physics.uc.edu>
4259 * c-common.c (c_common_truthvalue_conversion): Explicitly check
4260 for LABEL_DECL before calling DECL_WEAK.
4263 * c-typeck.c (build_binary_op): Likewise, explicitly check for
4264 LABEL_DECL and PARM_DECL.
4266 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
4270 * c-decl.c (grokdeclarator): Disallow variably modified types at
4271 file scope. Avoid marking shared array type of constant size as
4274 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4277 * c-common.c (fold_offsetof_1): Handle static members.
4279 2006-06-04 Eric Christopher <echristo@apple.com>
4281 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
4282 (debug_rli): Output value for remaining_in_alignment.
4283 (update_alignment_for_field): Unconditionalize
4284 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
4285 extra alignment code.
4286 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
4287 ms_bitfield_layout_p code. Rewrite handling of structure fields.
4288 * tree.h (record_layout_info_s): Remove prev_packed.
4289 * doc/extend.texi (ms_struct): Add documentation of format.
4291 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
4293 * tree.h: Declare folding_initializer.
4294 * builtins.c (fold_builtin_constant_p): Give definite answer
4295 if folding inside an initializer.
4296 * fold-const.c: Define folding_initializer.
4297 (START_FOLD_INIT): Save and then set folding_initializer.
4298 (END_FOLD_INIT): Restore folding_initializer.
4300 2006-06-04 Richard Guenther <rguenther@suse.de>
4302 PR tree-optimization/27039
4303 * fold-const.c (fold_comparison): Handle pointer comparison
4304 again for all comparison codes. Compare offsets in signed
4306 (fold_binary): Move code from here.
4308 2006-06-03 Roger Sayle <roger@eyesopen.com>
4311 * config/i386/i386.c (construct_container): Split static issued_error
4312 flag into issued_sse_arg_error, issued_sse_ret_error and
4313 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
4314 requires the use of x87 registers and the user explicitly
4315 specified the -mno-80387 command line option.
4317 2006-06-02 Geoffrey Keating <geoffk@apple.com>
4319 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
4320 HAVE_DECL_SIGALTSTACK.
4322 (segv_handler): Use MC_FLD.
4323 * configure.ac: Check for a sigaltstack declaration.
4324 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
4325 * configure: Regenerate.
4326 * config.in: Regenerate.
4328 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
4331 * Makefile.in (stmp-fixinc): Fix typo.
4333 2006-06-02 Roger Sayle <roger@eyesopen.com>
4335 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
4336 are type correct. Clean-up.
4337 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
4338 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
4340 2006-06-01 DJ Delorie <dj@redhat.com>
4342 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
4343 shift, as we've disabled the "switch" insn that needs it.
4345 2006-06-01 Per Bothner <bothner@bothner.com>
4347 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
4348 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
4349 * c-ppoutput.c (cb_define): Don't increment line 0.
4351 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
4353 * doc/invoke.texi: Add cpu_type power6.
4354 * config.gcc: Add cpu_type power6.
4355 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
4356 to power5+ with Altivec.
4357 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
4358 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
4360 2006-05-30 Anatoly Sokolov <aesok@post.ru>
4362 * config/avr/avr.h (SET_ASM_OP): Define.
4364 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
4366 * config/bfin/bfin.c: Fix comment typos.
4368 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4371 * doc/install.texi: Document --enable-bootstrap and
4372 --disable-bootstrap.
4374 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4376 * doc/install.texi: Document that InfoZIP can replace jar.
4378 2006-05-31 Roger Sayle <roger@eyesopen.com>
4380 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
4381 isn't available, directly generate the simpler x87 patterns without
4382 the (use (const_int 0)).
4383 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
4384 implementation isn't available.
4385 (*negdf2_1): Likewise.
4386 (*negxf2_1): XF mode negation is always done using the x87.
4387 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
4389 2006-05-31 Roger Sayle <roger@eyesopen.com>
4391 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
4392 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
4394 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
4396 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4398 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
4399 * config/bfin/bfin.c (basic-block.h): Include.
4400 (struct machine_function): New.
4401 (bfin_init_machine_status): New.
4402 (override_options): Initialize init_machine_status.
4403 (bfin_hardware_loop): New.
4404 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
4405 (DEF_VEC_P (loop_info)): New.
4406 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
4407 (struct loop_info): New.
4408 (loop_info): New typedef.
4409 (struct loop_work): New.
4410 (loop_work): New typedef.
4411 (DEF_VEC_O (loop_work)): New.
4412 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
4413 (bfin_dump_loops): New.
4414 (bfin_bb_in_loop): New.
4415 (bfin_scan_loop): New.
4416 (bfin_optimize_loop): New.
4417 (bfin_reorg_loops): New.
4418 (bfin_reorg): Use bfin_reorg_loops.
4419 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
4421 (I_REGNO_P): Simplify.
4422 (DP_REGNO_P, DPREG_P): New macros.
4423 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
4424 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
4425 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
4426 Add LT_REGS, LC_REGS, LB_REGS.
4427 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
4429 (REGNO_REG_CLASS): Deal with loop registers.
4430 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
4432 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
4433 New constants for loop registers.
4434 (UNSPEC_LSETUP_END): New.
4435 (seq_insns): New define_attr. Set it for appropriate insns.
4436 (movsi_insn): Add alternatives for move from/to
4437 loop count registers.
4438 (doloop_end): New define_expand.
4439 (loop_end): New define_insn.
4440 (define_split for bad doloop_end): New.
4441 (lsetup_with_autoinit): New define_insn.
4442 (lsetup_without_autoinit): New define_insn.
4443 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
4444 * config/bfin/predicates.md (lc_register_operand): New.
4445 (lt_register_operand): New.
4446 (lb_register_operand): New.
4447 (nondp_register_operand): New.
4448 (nondp_reg_or_memory_operand): New.
4449 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
4451 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4453 * config/bfin/bfin.c (bfin_delegitimize_address): New.
4454 (TARGET_DELEGITIMIZE_ADDRESS): Define.
4456 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
4458 * Makefile.in (CATALOGS): Add po/ prefix.
4459 * configure: Regenerated.
4461 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
4464 * arm.c (arm_print_operand case 'S'): Validate that the operand is
4465 a shift operand before calling shift_op. Avoid redundant call of
4468 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
4469 DJ Delorie <dj@redhat.com>
4471 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
4472 we're inserting is a singlt-bit constant.
4474 2006-05-30 Roger Sayle <roger@eyesopen.com>
4476 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
4477 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
4479 2006-05-30 Roger Sayle <roger@eyesopen.com>
4481 PR tree-optimization/23452
4482 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
4483 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
4484 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
4485 complex values and with -ffast-math for FP complex values.
4487 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
4489 * c-common.h: Remove the prototype for yyparse.
4490 * rtl.h: Remove the prototype for init_loop.
4492 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
4494 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
4497 2006-05-30 Roger Sayle <roger@eyesopen.com>
4499 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
4501 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
4502 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
4504 2006-05-30 Dirk Mueller <dmueller@suse.de>
4507 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
4508 for CONSTANT_CLASS_P expresisons.
4510 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4513 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
4515 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
4517 PR tree-optimization/27779
4518 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
4519 initial_condition instead of CHREC_LEFT.
4521 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
4523 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
4524 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
4525 Make prototypes ISO C90.
4527 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
4528 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4530 * see.c (see_analyze_one_def): Correct check.
4531 (see_get_extension_data): Check if extension is parallel.
4532 (see_get_extension_reg): Likewise.
4534 2006-05-30 Uros Bizjak <uros@kss-loka.si>
4537 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
4538 into register for (code == GTU).
4540 2006-05-29 Roger Sayle <roger@eyesopen.com>
4542 PR tree-optimization/24964
4543 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
4544 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
4545 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
4546 abs(x)*abs(x) as x*x for scalar floating point modes.
4548 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
4551 * lambda-code.c (perfect_nestify): Don't copy statements
4552 in the inner loop: move them to the inner loop header.
4554 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4557 * c-tree.texi: Document OpenMP directives and clauses.
4559 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4561 * varasm.c (globalize_decl): Fix indentation.
4563 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4566 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
4567 pass_fre, pass_store_ccp, pass_copy_prop,
4568 pass_store_copy_prop, pass_merge_phi, pass_nrv,
4569 pass_return_slot, pass_object_size, pass_lim,
4570 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
4571 pass_loop_prefetch and pass_stdarg.
4573 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
4575 * config/bfin/bfin.opt (mfdpic): New option.
4576 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
4577 (EXTRA_MULTILIB_PARTS): Likewise.
4578 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
4579 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
4581 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
4582 (CRT_CALL_STATIC_FUNCTION): New.
4583 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
4585 (CRT_CALL_STATIC_FUNCTION): New.
4586 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
4588 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
4589 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
4590 (initialize_trampoline): Changed to handle FD-PIC code generation.
4591 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
4592 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
4593 (override_options): Disallow -mid-shared-library -mfdpic combination.
4594 Can't do unaligned ops if FD-PIC.
4595 Turn off flag_pic if trying to generate non-id-shared-library
4596 non-fdpic code, since it's not supported.
4597 (bfin_assemble_integer): New function.
4598 (TARGET_ASM_INTEGER): Define.
4599 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
4601 * config/bfin/crtn.s: Restore them.
4602 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
4604 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
4605 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
4606 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
4607 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
4608 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
4610 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
4611 FDPIC_REGS and FDPIC_FPTR_REGS.
4612 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
4613 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
4614 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
4615 (load_funcdescsi): New pattern.
4616 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
4617 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
4618 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
4620 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4622 * gcse.c, rtlanal.c: Remove obsolete comments associated with
4625 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
4627 * tree-flow.h: Remove the prototype for add_type_alias.
4628 * tree-ssa-alias.c (add_type_alias): Remove.
4630 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
4632 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
4633 config/fr30/fr30.md, config/i386/i386-interix.h,
4634 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
4635 config/sh/superh64.h, config/v850/v850.c, df-core.c,
4636 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
4637 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
4638 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
4639 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
4640 Follow spelling conventions.
4641 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
4642 Follow spelling conventions.
4644 2006-05-27 Richard Guenther <rguenther@suse.de>
4647 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
4648 to produce a constant of value 1 of generic type.
4650 2006-05-27 Dirk Mueller <dmueller@suse.de>
4652 * cgraphunit.c (decide_is_function_needed): Fix wrong
4655 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
4657 PR rtl-optimization/27661
4658 * reload.c (find_reloads): When reloading a VOIDmode constant
4659 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
4660 use Pmode as mode of the reload register.
4662 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
4664 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
4665 is enabled at -O and above.
4667 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
4670 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
4673 2006-05-25 Mark Mitchell <mark@codesourcery.com>
4676 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
4677 for anonymous variables explicitly declared by front ends.
4679 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4681 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
4682 (struct alias_info): Add new field ref_all_symbol_mem_tag.
4683 * tree-ssa-alias.c (compute_may_aliases): If the program contains
4684 ref-all pointers, run a finalization pass for them.
4685 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
4686 (finalize_ref_all_pointers): New function.
4687 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
4688 regular pointer type to a ref-all pointer type.
4689 (get_tmt_for): Return the special memory tag for ref-all pointers.
4691 2006-05-25 Richard Guenther <rguenther@suse.de>
4694 * fold-const.c (fold_binary): Do not look at the stripped
4695 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
4697 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4699 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
4700 for LT and GT if the computed range is effectively empty.
4702 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4705 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
4706 mips_quad_format formats instead of ieee_single_format,
4707 ieee_double_format and ieee_quad_format formats, respectively.
4709 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
4711 PR tree-optimization/27639
4712 PR tree-optimization/26719
4713 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
4714 call to scev_probably_wraps_p.
4715 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
4716 used_in_pointer_arithmetic_p, convert_step): Removed.
4717 (nowrap_type_p): New function.
4718 (scev_probably_wraps_p): Rewritten.
4719 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
4720 chrec_convert if chrec_convert_aggressive might have been used.
4721 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
4722 scev_direction): New functions.
4723 (chrec_convert): Changed to a wrapper over chrec_convert_1.
4724 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
4725 instead of convert_step.
4726 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
4727 (convert_step): Declaration removed.
4728 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
4730 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
4732 * df-core.c: Added to header comments.
4733 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
4734 df_ur_bb_info, df_urec_bb_info): Added comments.
4735 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
4736 urec, ri problems): Fixed header comments.
4737 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
4738 code from df_rd_transfer_function.
4740 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4742 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
4743 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
4744 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
4746 2006-05-23 Joseph Myers <joseph@codesourcery.com>
4748 * expr.c (undefined_operand_subword_p): New.
4749 (emit_move_multi_word): Do not generate move from undefined bits
4750 of a paradoxical subreg.
4752 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4754 PR rtl-optimization/27736
4755 * combine.c (replaced_rhs_value): New variable.
4756 (combine_instructions): Set it.
4757 (distribute_notes): When distributing a note in replaced_rhs_insn,
4758 check whether the value was used in replaced_rhs_value.
4760 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
4763 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
4764 add_referenced_var instead of add_referenced_tmp_var.
4765 * tree-complex.c (create_one_component_var): Use add_referenced_var.
4766 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
4768 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
4769 tree_optimize_tail_calls_1): Use add_referenced_var.
4770 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
4771 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
4772 Use add_referenced_var.
4773 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
4774 * gimplify.c (force_gimple_operand): Use add_referenced_var.
4775 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
4776 Use add_referenced_var.
4777 * tree-dfa.c (struct walk_state): Remove.
4778 (find_referenced_vars): Remove walk state and vars_found hash table.
4779 (make_rename_temp): Use add_referenced_var.
4780 (find_vars_r): Pass less parameters to add_referenced_var.
4781 (referenced_var_p): New. Is var in referenced_var hash table.
4782 (referenced_var_insert): Assert var isn't already in hash table.
4783 (add_referenced_var): Don't need walk_state parameter. Add var if it
4784 isn't already in the hash table.
4785 (add_referenced_tmp_var): Remove.
4786 (find_new_referenced_vars_1): Use add_referenced_var.
4787 * tree-ssa-pre.c (create_expression_by_pieces,
4788 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
4789 Use add_referenced_var.
4790 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
4791 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
4792 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
4794 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
4795 vect_create_data_ref_ptr, vect_create_destination_var,
4796 vect_init_vector, vect_build_loop_niters,
4797 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
4798 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
4799 Use add_referenced_var.
4800 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
4801 * tree-flow.h (add_referenced_tmp_var): Remove prototype
4802 (add_referenced_var): Add prototype.
4803 * tree-ssa-structalias.c (get_constraint_for,
4804 intra_create_variable_infos): Use add_referenced_var.
4806 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
4808 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
4809 big-endian paradoxical subregs.
4810 * var-tracking.c (struct micro_operation_def): Document that,
4811 for modify micro operations, insn is the subsequent instruction.
4812 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
4813 (var_reg_set, var_mem_set): ... new functions.
4814 (add_stores): Record subsequent insn.
4815 (compute_bb_dataflow): Use new functions for MO_USE.
4816 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
4817 notes after the insn, and modify notes before the insn known
4818 to be the subsequent one.
4819 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
4821 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
4824 * config/i386/i386.c (ix86_expand_builtin): Use
4825 gen_sse3_monitor64 for TARGET_64BIT.
4827 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
4829 PR rtl-optimization/26375
4830 PR rtl-optimization/26855
4831 * df-problems (df_ru_bb_local_compute_process_def): Removed update
4833 (df_ru_bb_local_compute): Reversed statements and removed bogus
4834 comment explaining why they should be in wrong order.
4835 (df_ru_dump, df_rd_dump): Enhanced debug info.
4836 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
4838 * ddg.c (add_deps_for_def): Converted use of reaching defs to
4839 reaching uses and fixed space problem.
4841 2006-05-23 Jan Hubicka <jh@suse.cz>
4843 * cgraphunit.c (decide_is_function_needed): Also nested functions
4844 and functions declared inline can be optimized out at -O0.
4846 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
4848 * doc/install.texi (Configuration): Remove reference to CrossGCC
4852 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4855 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
4856 ix86_compare_emitted is non-NULL.
4858 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4861 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
4864 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4866 PR rtl-optimization/25514
4867 * combine.c (replaced_rhs_insn): New variable.
4868 (combine_instructions): Set replaced_rhs_insn when trying to replace
4869 a SET_SRC with a REG_EQUAL note.
4870 (distribute_notes): Use replaced_rhs_insn when determining the live
4871 range of a REG_DEAD register.
4873 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
4874 Anatoly Sokolov <aesok@post.ru>
4876 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
4877 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
4878 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
4879 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
4880 atmega3290, atmega649, atmega6490, atmega406, atmega640,
4881 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
4882 at90usb647, at90usb1286 and at90usb1287 devices.
4883 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4884 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4886 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4888 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
4890 2006-05-22 Richard Guenther <rguenther@suse.de>
4893 2006-01-31 Richard Guenther <rguenther@suse.de>
4894 Paolo Bonzini <bonzini@gnu.org>
4896 * doc/install.texi (--disable-libgcc-math): Document.
4898 2006-05-22 Richard Guenther <rguenther@suse.de>
4901 2006-01-31 Richard Guenther <rguenther@suse.de>
4903 * doc/invoke.texi (-msselibm): Document.
4904 * target.h (expand_library_builtin): New target hook.
4905 * builtins.c (expand_builtin): Use expand_library_builtin.
4906 (default_expand_library_builtin): New function.
4907 * gcc.c (LINK_GCC_MATH_SPEC): Define.
4908 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
4909 (link_gcc_math_spec): Declare.
4910 (static_specs): Add link_gcc_math_spec.
4911 * expr.h (default_expand_library_builtin): Declare.
4912 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4913 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
4914 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
4915 * config/i386/i386.opt (msselibm): New target option.
4916 * config/i386/i386.c (ix86_builtin_function_variants): New array.
4917 (ix86_init_sse_abi_builtins): New function.
4918 (ix86_expand_library_builtin): Likewise.
4919 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4920 (override_options): Handle error conditions wrt -msselibm.
4921 (ix86_builtins): Add function codes for SSE2 ABI builtins.
4922 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
4923 * doc/extend.texi (__builtin_sse2_*): Document new target specific
4926 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4929 * c-common.c (self_promoting_args_p): Skip erroneous args.
4932 * c-decl.c (finish_struct): Skip erroneous fields.
4934 2006-05-22 Nick Clifton <nickc@redhat.com>
4936 * config/cris/cris.opt (march): Remove VarExists attribute.
4937 (max-stackframe=): Likewise.
4939 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4941 * doc/rtl.texi: Fix a typo.
4942 * see.c: Fix comment typos.
4944 * tree-ssa-structalias.h (alias_info): Remove num_references.
4946 2006-05-21 Mike Stump <mrs@apple.com>
4948 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
4950 (darwin_pragma_options): Use BAD instead.
4951 (darwin_pragma_unused): Likewise.
4952 (darwin_pragma_ms_struct): Likewise.
4954 2006-05-21 David Edelsohn <edelsohn@gnu.org>
4956 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
4958 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
4960 PR rtl-optimization/27671
4961 * simplify-rtx.c (simplify_relational_operation_1): Fix
4962 simplifications of (eq/ne (xor x y) y) and
4963 (eq/ne (xor x y) x).
4965 PR tree-optimization/26622.
4966 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
4969 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4971 * tree-cfg.c: Prune whitespace.
4972 (debug_tree_cfg): Point to correct header containing the
4975 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4978 * cgraphunit.c (verify_cgraph_node): Typo in error message.
4980 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
4983 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
4984 or sorry count is non zero.
4986 2006-05-20 Andreas Schwab <schwab@suse.de>
4988 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
4990 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
4991 Kenneth Zadeck <zadeck@naturalbridge.com>
4993 PR rtl-optimization/26855
4995 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
4997 (df_scan_alloc): Added code to properly handle multiword hard
4998 registers and add all_blocks parameter.
4999 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5000 code to properly handle multiword hard registers.
5001 (df_rescan_blocks): Added code to remove deleted blocks from
5003 (df_ref_create_structure, df_ref_record): Added code to properly
5005 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5006 and set DF_REF_PARTIAL.
5007 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5008 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5009 (df_scan_add_problem): Added flags parameter.
5010 (df_ref_create_structure): Changed switching structure.
5011 (df_bb_refs_record): Fixed case where duplicate artificial refs
5012 were created. Changed location of flags.
5013 (df_record_entry_block_defs): Added code to make stack pointer
5014 live in entry block. Refined cases where frame pointer is needed.
5015 Changed location of flags.
5016 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5017 (df_set_state): Removed function.
5018 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5019 df_insn_create_insn_record, df_insn_refs_delete,
5020 df_ref_create_structure): Formatting changes.
5021 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5022 df_delete_basic_block): New function.
5023 (df_init): Changed location of flags.
5024 (df_add_problem): Added flags parameter and the way flags are
5026 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5027 debug_df_chain): Improved debugging output.
5028 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5029 (df_refs_chain_dump): Removed df parameter.
5030 (df_iterative_dataflow): Added consistency check.
5031 (df_prune_to_subcfg): Made public.
5032 (df_analyze_problem): Added blocks_to_init parameter and made
5034 (df_ref_record, df_bb_refs_record, df_mark_reg,
5035 df_record_exit_block_uses): Whitespace changes.
5036 (df_dump): Whitespace changes.
5037 * df.h: Some reordering to remove forward references.
5038 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5039 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5040 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5041 (dataflow.flags): New field.
5042 (df.flag): Deleted field.
5043 (df_alloc_function): Added additional bitmap parameter.
5044 (df_dependent_problem_function): New type.
5045 (df_problem.changeable_flags): New field.
5046 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5047 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5048 (df_mw_hardreg): New struct.
5049 (DF_INSN_UID_MWS): New macro.
5050 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5052 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5053 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5054 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5055 (df_set_state): Removed function.
5056 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
5057 * df-problems.c (df_chain_dump): Removed df parameter.
5058 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
5059 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
5061 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
5062 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
5063 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
5064 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
5065 DF_REF_MUST_CLOBBER cases.
5066 (df_ru_bb_local_compute_process_def,
5067 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
5068 df_lr_bb_local_compute, df_ur_bb_local_compute,
5069 df_chain_create_bb): Made subreg aware.
5070 (df_ru_bb_local_compute, df_rd_bb_local_compute,
5071 df_lr_bb_local_compute, df_lr_bb_local_compute,
5072 df_chain_create_bb): Cleanup to use proper macros.
5073 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
5074 code to fixup bitvectors.
5075 (df_ri_alloc): Cleared lifetime.
5076 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
5077 df_create_unused_note): New function.
5078 (df_ri_bb_compute, df_ri_compute): Added code to create/update
5079 REG_DEAD and REG_UNUSED notes as well as register information.
5080 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
5081 df_chains_dump): Fixed crash if problem was never run.
5082 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
5083 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
5084 df_ri_add_problem): Processes flags in uniform manner.
5085 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
5086 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
5087 df_rd_dump, df_urec_free_bb_info): Formatting changes.
5088 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
5089 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
5090 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
5091 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
5092 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
5093 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
5094 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
5095 * see.c (see_initialize_data): Ditto.
5096 * final.c (rest_of_clean_state) Added regstack_completed.
5097 * rtl.h (regstack_completed): Ditto.
5098 * reg-stack.c (regstack_completed): Ditto.
5100 2006-05-19 Mike Stump <mrs@apple.com>
5102 * c-tree.h (default_conversion): Remove.
5103 * c-common.h (default_conversion): Add.
5105 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
5107 * tree-vrp.c (valid_value_p): New function.
5108 (adjust_range_with_scev): Fail if the value of bound is not
5111 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5113 * config/mips/linux-unwind.h: Include <asm/unistd.h>
5114 (mips_fallback_frame_state): Use syscall numbers to determine
5115 the appropriate li instruction for the current ABI. Only use
5116 __NR_sigreturn for o32.
5118 2006-05-19 Nicolas Setton <setton@adacore.com>
5120 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
5121 * langhooks.c (lhd_dwarf_name): New function.
5122 * langhooks-def.h (lhd_dwarf_name): Declare.
5123 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
5124 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
5125 * ada/misc.c (gnat_dwarf_name): New function.
5126 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
5128 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5130 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
5132 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
5133 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
5134 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
5135 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
5136 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
5137 determine the size of Wtype, etc.
5138 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
5139 (swfloatfuncs): New variable.
5140 (dwfloatfuncs): Likewise.
5141 (lib2funcs): Remove floating-point conversion functions from
5142 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
5143 the set of conversion routines needed. Allow entries to specify
5144 an object name, filename and word size. Update users accordingly.
5145 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
5146 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
5150 2006-02-08 Roger Sayle <roger@eyesopen.com>
5153 * config/fixtfdi.c: New libgcc source file.
5154 * config/fixunstfdi.c: New source file.
5155 * config/floatditf.c: New source file.
5156 * config/floatunditf.c: New souce file.
5157 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5158 files above instead of config/mips/_tilib.c.
5159 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5161 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5163 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
5164 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
5166 2006-05-18 Mike Stump <mrs@apple.com>
5168 Fix up vla, vm and [*] sematics.
5174 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
5175 (c_vla_unspec_p): Add.
5176 (c_vla_type_p): Add.
5177 * c-decl.c (struct c_scope): Add had_vla_unspec.
5178 (build_array_declarator): Add support for [*].
5179 (grokdeclarator): Likewise.
5180 (grokparms): Likewise.
5181 (get_parm_info): Likewise.
5182 * c-objc-common.c (c_vla_unspec_p): Likewise.
5183 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
5184 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
5185 typeof when argument is a variably modified type not inside sizeof or alignof.
5186 (c_parser_direct_declarator_inner): Propagate errors.
5187 (c_parser_sizeof_expression): Add support for [*].
5188 (c_parser_parms_declarator): Initialize had_vla_unspec.
5189 (c_parser_parms_list_declarator): Likewise.
5190 * c-typeck.c (c_vla_type_p): Add.
5191 (composite_type): Add support for vla compositing.
5192 (comptypes_internal): Add support for vla compatibility.
5193 (c_expr_sizeof_expr): Evaluate vla arguments.
5194 * tree.c (variably_modified_type_p): Update comment for [*].
5196 2006-05-18 Michael Matz <matz@suse.de>
5199 * config.host: Make assignments to host_xmake_file cumulative.
5200 * config.host (*-darwin*): Test $host, not $target.
5202 2006-05-12 Stuart Hastings <stuart@apple.com>
5204 * config/i386/i386.opt (-mstackrealign): New flag.
5205 * config/i386/i386.c (force_align_arg_pointer): New attribute.
5206 (ix86_handle_cconv_attribute): Emit error when
5207 force_align_arg_pointer attribute collides with too many regparms.
5208 (ix86_function_regparm): Limit regparms when used with
5209 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
5210 Support stack-realigning prologue in non-main functions. Emit
5211 warning for nested functions under -mstackrealign, emit error for
5212 nested functions with force_align_arg_pointer attribute.
5213 * doc/extend.texi (force_align_arg_pointer): Document it.
5214 * doc/invoke.texi (-mstackrealign): Document it.
5216 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
5218 PR rtl-optimization/27477
5219 * combine.c (try_combine): Don't split a parallel consisting
5220 of two sets into two individual sets if both sets reference
5223 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
5225 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
5226 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
5228 * doc/options.texi (VarExists): Updated.
5230 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5232 * unwind-dw2.c: Add declarations for uw_update_context and
5234 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
5235 detected, advance frame state and context once to skip over stub.
5237 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5241 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
5242 Call rewrite_into_loop_closed_ssa only when something changed.
5243 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
5244 * lambda-code.c (can_convert_to_perfect_nest): Declared.
5245 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
5246 Test for perfect_nest_p here. Fix formating.
5247 (replace_uses_equiv_to_x_with_y): Fix formating.
5248 (stmt_uses_op): Removed.
5249 (can_convert_to_perfect_nest): Removed loopivs parameter.
5250 Complete the test by checking the scalar dependences.
5251 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
5254 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5257 From Dan Kegel <dank@kegel.com>:
5258 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
5260 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
5262 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
5263 if the element type is variably modified without recursing.
5265 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5268 * tree-loop-linear.c (try_interchange_loops): Test for
5269 no data dependences.
5271 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
5273 PR tree-optimization/27548
5274 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
5275 range of ssa names that appear on abnormal edges.
5276 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
5277 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
5279 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5282 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
5284 2006-05-17 Jakub Jelinek <jakub@redhat.com>
5287 * tree.h (OMP_PARALLEL_COMBINED): Define.
5288 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
5289 (new_omp_context): Add is_combined_parallel argument.
5290 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
5291 new_omp_context caller.
5292 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
5293 Adjust gimplify_scan_omp_clauses callers.
5294 (omp_is_private): Issue errors if iteration variable is firstprivate
5295 or reduction in the current context.
5296 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
5297 on combined parallel workshare constructs.
5299 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5301 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
5302 (gcc-options.o): New rule.
5304 * optc-gen.awk: Protect variables for gcc-options.o with
5305 #ifdef GCC_DRIVER/#endif.
5307 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
5309 Fix PR tree-optimization/27373
5310 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
5311 (forward_propagate_addr_expr): Update call.
5313 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5315 * doc/options.texi: Move the Negative option.
5317 2006-05-16 Richard Guenther <rguenther@suse.de>
5319 PR tree-optimization/22303
5320 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
5322 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
5323 ccp_fold did not simplify the statement.
5325 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5328 * Makefile.in (GCC_OBJS): New.
5329 (OBJS-common): Add opts-common.o.
5330 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
5331 (cpp$(exeext)): Likewise.
5332 (gcc.o): Also depend on opts.h.
5333 (opts-common.o): New.
5335 * common.opt (gcoff): Add Negative(gdwarf-2).
5336 (gdwarf-2): Add Negative(gstabs).
5337 (gstabs): Add Negative(gstabs+).
5338 (gstabs+): Add Negative(gvms).
5339 (gvms): Add Negative(gxcoff).
5340 (gxcoff): Add Negative(gxcoff+).
5341 (gxcoff+): Add Negative(gcoff).
5342 * config/i386/i386.opt (m32): Add Negative(m64).
5343 (m64): Add Negative(m32).
5345 * doc/options.texi: Document the Negative option.
5347 * gcc.c: Include "opts.h".
5348 (main): Call prune_options after expandargv.
5350 * optc-gen.awk: Generate common declarations for all flag
5351 variables in options.c. Output the neg_index field.
5353 * opts.c (find_opt): Moved to ...
5354 * opts-common.c: Here. New file.
5356 * opts.h (cl_option): Add a neg_index field.
5358 (prune_options): Likewise.
5360 2006-05-16 Jakub Jelinek <jakub@redhat.com>
5363 * omp-low.c (expand_omp_parallel): Don't assert
5364 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
5365 instead search for it.
5368 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
5371 2006-05-16 Andreas Schwab <schwab@suse.de>
5373 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
5376 2006-05-15 Roger Sayle <roger@eyesopen.com>
5379 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
5380 integer constants other than zero are only legitimate on TARGET_64BIT.
5381 <CONST_VECTOR> Only zero vectors are legitimate.
5382 (ix86_cannot_force_const_mem): Integral and vector constants can
5383 always be put in the constant pool.
5385 2006-05-16 DJ Delorie <dj@redhat.com>
5387 * crtstuff.c (__dso_handle): Set section from
5388 TARGET_LBIGCC_SDATA_SECTION if defined.
5389 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
5390 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
5392 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
5395 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
5398 2006-05-16 Ben Elliston <bje@au.ibm.com>
5400 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
5402 2006-05-15 Per Bothner <per@bothner.com>
5404 * tree.c: (last_annotated_node): Use source_locus typedef.
5405 This permits bootstrapping with --enable-mapped-location.
5407 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
5409 PR tree-optimization/26830
5410 * tree-into-ssa.c (struct ssa_name_info): Add age field.
5411 (info_for_ssa_name, current_info_for_ssa_name_age,
5412 blocks_to_update): New variables.
5413 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
5414 (clear_ssa_name_info, initialize_flags_in_bb,
5415 mark_block_for_update): New functions.
5416 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
5417 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
5418 prepare_def_site_for): Use mark_block_for_update.
5419 (mark_def_interesting): Assert that the processed block is marked in
5420 blocks_to_update. Do not take blocks argument.
5421 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
5423 (rewrite_update_init_block, rewrite_update_stmt): Only process
5424 blocks with statements to rewrite.
5425 (delete_update_ssa): Do not clear SSA_NAME_AUX.
5426 (update_ssa): Initialize and free blocks_to_update. Do not
5427 clear flags on statements. Do not use blocks bitmap.
5428 * tree.h (SSA_NAME_AUX): Removed.
5429 (struct tree_ssa_name): Removed aux field.
5430 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
5432 2006-05-15 Richard Guenther <rguenther@suse.de>
5434 PR tree-optimization/27603
5435 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5436 Do computations in original type.
5438 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
5440 * see.c: Code style changes such as redundant paranthesis,
5441 redundant intialization of local variables etc.
5442 (see_main): Declared now as static.
5443 * doc/invoke.texi: Update that -fsee is not enabled by
5446 2006-05-15 Jakub Jelinek <jakub@redhat.com>
5448 * omp-low.c (check_omp_nesting_restrictions): New function.
5449 (scan_omp_1): Call it.
5452 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
5453 construct, return *VAR.
5455 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
5457 PR rtl-optimization/27406
5458 * bt-load.c (migrate_btr_def): Skip the block having abnormal
5461 2006-05-14 Roger Sayle <roger@eyesopen.com>
5463 PR rtl-optimization/27538
5464 * combine.c (expand_compound_operation): Call gen_lowpart
5465 before calling simplify_shift_const.
5467 2006-05-14 Roger Sayle <roger@eyesopen.com>
5469 PR rtl-optimization/22563
5470 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
5471 a fixed width bitfield, always force the intermediates into psuedos.
5473 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
5476 * mkconfig.sh: Use operator = instead of == for test.
5478 2006-05-13 Nick Clifton <nickc@redhat.com>
5480 * dwarf2out.c (dbx_reg_number): Check return value from
5481 LEAF_REG_REMAP and only use it if it is valid.
5482 (multiple_reg_loc_descriptor): Likewise.
5484 2006-05-13 Richard Guenther <rguenther@suse.de>
5486 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
5489 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
5491 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
5492 information attached to non-INSNs such as NOTEs.
5493 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
5495 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
5497 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
5499 * config/s390/s390.md: Adjust comment describing On constraint.
5501 2006-05-11 Jan Hubicka <jh@suse.cz>
5503 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
5504 to be output at -O0.
5506 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5509 * fold-const.c (size_binop): Move sanity check for arguments to
5510 the beginning of the function.
5513 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
5516 2006-05-11 Richard Guenther <rguenther@suse.de>
5519 * fold-const.c (fold_unary): Handle intermediate conversion
5520 to a pointer type like intermediate conversion to an integer
5521 type in folding of (T1)(T2)var to var.
5522 Match the code to the comment in the final conversion for
5523 (T1)(T2)var to (T1)var regarding to type precision. Rather
5524 than disallow T1 being of pointer type, assert that both T1
5525 and var are of pointer type or not. Make sure not to fall
5526 over the frontends lazyness wrt array to pointer decay though.
5528 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
5530 * arm.c (arm_struct_value_rtx): Delete.
5531 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
5532 (arm_init_cumulative_args): Always initialize nregs to zero.
5534 2006-05-10 Richard Guenther <rguenther@suse.de>
5536 PR tree-optimization/27532
5537 * tree-object-size.c (plus_expr_object_size): Fix typo.
5539 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
5542 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
5543 ashrdi_const, ashrdi3): Use a scratch register.
5545 2006-05-10 Richard Guenther <rguenther@suse.de>
5547 PR tree-optimization/27302
5548 * fold-const.c (operand_equal_p): For two comparisons,
5549 try comparison of one comparison code swapped if that yields
5552 2006-05-10 Ben Elliston <bje@au.ibm.com>
5554 * tree-pretty-print.c (pretty_print_string): No need to handle
5555 '\0' as a special character.
5557 * tree.h: Include "hashtab.h".
5558 (iterative_hash_expr): Use hashval_t in its prototype.
5559 * Makefile.in (TREE_H): Add $(HASHTAB_H).
5561 2006-05-09 Steve Ellcey <sje@cup.hp.com>
5564 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
5565 (hppa*64*-*-hpux11*): Ditto.
5566 (hppa[12]*-*-hpux11*): Ditto.
5568 2006-05-09 David Edelsohn <edelsohn@gnu.org>
5571 * config/rs6000/aix41.h (TARGET_64BIT): Define.
5573 2006-05-09 Michael Matz <matz@suse.de>
5575 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
5576 host_extra_gcc_objs and host_xmake_file.
5577 (<*-*-linux*>): Don't overwrite host_xmake_file.
5578 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
5579 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
5580 (host_detect_local_cpu): Declare.
5581 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
5582 * config/i386/i386.c (override_options): Handle -mtune=native
5584 * config/i386/x-i386: New file.
5585 * config/i386/driver-i386.c: New file.
5586 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
5589 2006-05-09 Dirk Mueller <dmueller@suse.de>
5590 Richard Guenther <rguenther@suse.de>
5593 * fold-const.c (fold_read_from_constant_string): Relax check
5594 for matching types to matching modes.
5596 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
5598 PR rtl-optimization/27335
5599 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
5602 2006-05-08 Chao-ying Fu <fu@mips.com>
5603 Richard Sandiford <richard@codesourcery.com>
5605 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
5606 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
5607 * config/mips/mips.md (UNSPEC_SCC): New constant.
5608 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
5609 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
5610 (mips_emit_compare): Use it.
5611 (mips_expand_vcondv2sf): New function.
5613 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
5615 Fix PR tree-optimization/27093
5616 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
5617 renaming when they become not-used_alone.
5619 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5621 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
5622 relocation and relocation stubs.
5624 2006-05-08 Eric Christopher <echristo@apple.com>
5626 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
5629 2006-05-08 Jan Hubicka <jh@suse.cz>
5632 * cgraphunit.c (decide_is_function_needed): When not optimizing even
5633 unused static functions are needed.
5635 2006-05-08 Roger Sayle <roger@eyesopen.com>
5638 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5639 of a reg_equiv_constant if the result is a legitimate constant.
5641 2006-05-08 Uros Bizjak <uros@kss-loka.si>
5644 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
5645 standard 80387 constants, raise the cost to prevent
5646 compress_float_constant() to generate load from memory.
5648 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
5650 * config/arm/constraints.md (c): Fix a typo.
5652 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
5655 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
5658 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
5660 (_mm_mwait): Likewise.
5662 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
5664 (sse3_monitor): Make it 32bit only.
5665 (sse3_monitor64): New. 64bit monitor.
5667 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5670 * config/i386/i386.c (classify_argument): Skip fields with invalid
5673 2006-05-07 Richard Guenther <rguenther@suse.de>
5675 PR tree-optimization/27409
5676 * tree-ssa-structalias.c (get_constraint_for_component_ref):
5677 Do not try to find zero-sized subvars.
5679 2006-05-07 Richard Guenther <rguenther@suse.de>
5681 PR tree-optimization/27136
5682 * tree-ssa-loop-niter.c (get_val_for): Correct function
5683 comment, assert requirements.
5684 (loop_niter_by_eval): Stop processing if the iterated
5685 value did not simplify.
5687 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
5689 * opts.c (flag_see): remove its setting at -O3.
5691 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
5693 * genpeep.c (main): Make insn-peep.c depend on flags.h.
5694 * arm/constraints.md: New file.
5695 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
5696 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
5697 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
5698 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
5699 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
5700 (EXTRA_MEMORY_CONSTRAINT): Likewise.
5701 * arm.md: Include constraints.md.
5702 (thumb_movsi_insn): Use satisfies_constraint_J.
5703 (movhi, movqi): Use satisfies_constraint_I.
5705 2006-04-29 Anatoly Sokolov <aesok@post.ru>
5707 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
5708 for atmeg a645 device.
5710 2006-05-06 Richard Guenther <rguenther@suse.de>
5712 PR tree-optimization/27151
5713 * tree-vect-transform.c (vectorizable_condition): Punt on
5714 values that have a different type than the condition.
5716 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
5719 * c-parser.c (c_parser_cast_expression): Only insert casts into
5720 hash table if pointer.
5721 * function.c (used_types_insert_helper): Rename from
5723 (used_types_insert): Call used_types_insert_helper.
5724 * function.h (used_types_insert): Accept only one argument.
5726 2006-05-05 David Edelsohn <edesohn@gnu.org>
5728 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
5729 scratch with output modifier.
5731 2006-05-04 David Edelsohn <edelsohn@gnu.org>
5734 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
5735 with output modifier.
5737 2006-05-04 Richard Sandiford <richard@codesourcery.com>
5740 * config/mips/mips.c (mips_symbolic_address_p): Return true
5741 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
5742 SYMBOL_GOTTPREL, and SYMBOL_TLS.
5744 2006-05-04 Richard Guenther <rguenther@suse.de>
5746 PR tree-optimization/14287
5747 PR tree-optimization/14844
5748 PR tree-optimization/19792
5749 PR tree-optimization/21608
5750 PR tree-optimization/27090
5751 * tree-ssa-pre.c (try_combine_conversion): New function.
5752 (compute_avail): After constructing the value-handle
5753 expression, use try_combine_conversion to combine NOP_EXPRs
5754 with previous value-handle expressions and use the result if it
5757 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
5759 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
5761 2006-05-04 Jan Hubicka <jh@suse.cz>
5764 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
5766 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
5768 * config/bfin/predicates.md (const01_rtx): Tell generator programs
5769 that this only matches CONST_INTs. All users changed to VOIDmode
5772 * config/bfin/bfin.c: Include "optabs.h".
5773 (bfin_rtx_costs): Some costs for vector operations, to allow combine
5775 (enum bfin_builtins): Add a number of fractional and vector builtins.
5776 (bfin_init_builtins): Likewise.
5777 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
5778 (safe_vector_operand, bfin_expand_binop_builtin,
5779 bfin_expand_unop_builtin): New functions.
5780 (bfin_expand_builtin): Handle the new builtins.
5781 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
5784 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
5787 * Makefile.in (OBJS-common): Add see.o.
5788 (see.o): Add dependencies.
5789 * common.opt (fsee): New flag for the see optimization was added.
5790 * opts.c (flag_see): Initialized.
5791 * passes.c (init_optimization_passes, pass_see): New pass.
5792 * rtl.h (see_main): Declaration as extern.
5793 * timevar.def (TV_SEE): New.
5794 * tree-pass.h (pass_see): Declaration as extern.
5795 * invoke.texi (-fsee): Document.
5796 * recog.c (validate_simplify_insn): New function.
5797 * recog.h (validate_simplify_insn): Declaration as extern.
5798 * df-problems.c (df_chain_dump): Check for NULL.
5800 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
5801 Daniel Berlin <dberlin@dberlin.org>
5803 * cfgrtl.c (insert_insn_bb_end_new): New function.
5804 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
5806 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5808 * df.h (struct web_entry): Moved from web.c.
5809 (union_defs): Declaration as extern.
5810 (unionfind_root): Likewise.
5811 (unionfind_union): Likewise.
5812 * web.c (struct web_entry): Moved to df.h.
5813 (unionfind_root): Remove static declaration.
5814 (unionfind_union): Likewise.
5815 (union_defs): Likewise and generalize to use callback function.
5816 (web_main): Update arguments for union_defs function call.
5818 2006-05-04 Richard Guenther <rguenther@suse.de>
5820 PR tree-optimization/26447
5821 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
5822 produce SSA_NAME copies before the store stmt to avoid
5823 breaking exception handling.
5825 2006-05-04 Jakub Jelinek <jakub@redhat.com>
5828 * gimplify.c (omp_is_private): If var is shared in some outer context,
5829 return false instead of true. Stop searching on parallel context
5832 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
5835 * coverage.c: Use get_gcov_unsigned_t() instead of
5836 unsigned_type_node all over.
5838 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
5840 PR tree-optimization/27381
5841 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
5842 maintain the same immediate_use links.
5843 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
5844 node rather than segfaulting.
5846 2006-05-03 Jakub Jelinek <jakub@redhat.com>
5849 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
5850 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
5851 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
5853 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
5855 Fix PR tree-optimization/26626
5856 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
5858 * tree-ssa-operands.c (access_can_touch_variable): Allow
5859 typecasting through union pointers.
5861 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5864 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
5865 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
5866 to find if var will be a global variable even in the nested context.
5867 (omp_copy_decl): Only check for global variable at the end, it might
5868 be overridden in outer contexts.
5869 (scan_sharing_clauses): For global variables don't create a field.
5870 (lower_rec_input_clauses): Do nothing for global shared variables.
5871 Emit a barrier at the end of ILIST if there were any decls in both
5872 firstprivate and lastprivate clauses.
5873 (lower_send_clauses): Do nothing for global variables except for
5876 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
5878 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
5879 of the correct signedness is returned.
5881 2006-05-02 Jeff Law <law@redhat.com>
5883 PR tree-optimization/27364
5884 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
5885 multiply expressions.
5887 2006-05-02 Tom Tromey <tromey@redhat.com>
5889 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
5891 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
5894 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
5895 -mthumb -fPIC are used.
5897 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
5898 Joshua Kinard <kumba@gentoo.org>
5901 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
5902 with 64-bit pointers.
5904 2006-05-02 Paul Brook <paul@codesourcery.com>
5906 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
5908 (create_fix_barrier): Check that a suitable barrier location is
5910 (arm_reorg): Include ftmp->address in allowable range of addresses.
5912 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
5915 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
5918 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5921 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
5922 around RESULT_DECL for result passed by reference.
5923 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
5924 * omp-low.c (use_pointer_for_field): Don't look at
5925 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
5926 (scan_omp_1): Call remap_decl on RESULT_DECLs.
5927 (lower_rec_input_clauses): Don't allocate VLA memory for the second
5928 time or var for passing by reference for
5929 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
5930 TREE_ADDRESSABLE variables when passing by reference.
5932 * omp-low.c (dump_omp_region): Fix output formatting.
5935 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
5936 (expand_omp_parallel): Likewise.
5937 * tree-cfg.c (move_sese_region_to_fn): Likewise.
5940 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
5941 on statement list containing also constructors and destructors.
5942 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
5945 * except.c (duplicate_eh_regions): Fix clearing of
5946 cfun->eh->region_array entries.
5948 2006-05-01 DJ Delorie <dj@redhat.com>
5950 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
5952 (gcc_cv_objdump): Likewise.
5953 * configure: Regenerated.
5955 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
5958 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
5959 templates for case 3 and 4.
5961 2006-05-01 DJ Delorie <dj@redhat.com>
5963 * vec.c: Include bconfig.h when appropriate.
5964 * Makefile.in (build/vec.o): Adjust dependencies.
5965 * mkconfig.sh: Make sure config.h isn't used for build machine
5968 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5970 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
5972 (mark_phi_for_rewrite): New function.
5973 (insert_phi_nodes_for, mark_use_interesting): Call
5974 mark_phi_for_rewrite.
5975 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
5976 (update_ssa): Initialize and free phis_to_rewrite.
5978 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5980 PR rtl-optimization/27291
5981 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
5982 folded to a constant.
5984 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5986 PR tree-optimization/27283
5987 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
5988 not whole # of iteration descriptions.
5989 (niter_for_exit): Return just # of iterations. Fail if # of iterations
5990 uses abnormal ssa name.
5991 (niter_for_single_dom_exit): Ditto.
5992 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
5993 return just the number of iterations.
5995 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5997 PR tree-optimization/27144
5998 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
5999 (record_estimate): Only record constant upper bound.
6000 (infer_loop_bounds_from_undefined): Call
6001 compute_estimated_nb_iterations just once.
6002 (proved_non_wrapping_p): Renamed to ...
6003 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6004 (convert_step_widening, scev_probably_wraps_p): Call
6005 n_of_executions_at_most instead of proved_non_wrapping_p.
6006 (substitute_in_loop_info): Do not replace values in bounds.
6007 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6010 2006-05-01 Richard Henderson <rth@redhat.com>
6013 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6014 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6017 2006-05-01 Roger Sayle <roger@eyesopen.com>
6019 * c-typeck.c (parser_build_binary_op): Don't call the function
6020 unsigned_conversion_warning to spot operand/result type overflow.
6021 (build_binary_op): Instead, call convert_and_check instead of
6022 convert to report the problem when the operands are promoted.
6023 * c-common.c (unsigned_conversion_warning): Make static.
6024 * c-common.h (unsigned_conversion_warning): Delete prototype.
6026 2006-05-01 Richard Guenther <rguenther@suse.de>
6028 PR tree-optimization/26726
6029 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6031 (find_interesting_uses_address): ... we work around here
6032 by folding INDIRECT_REFs in the substituted base.
6034 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6036 * omp-low.c (dump_omp_region): Add newlines.
6038 2006-04-30 Roger Sayle <roger@eyesopen.com>
6040 * common.opt (Woverflow): New command line option.
6041 * c-common.c (constant_expression_warning): Check warn_overflow.
6042 (overflow_waring): Pass OPT_Woverflow to warning.
6043 (unsigned_conversion_warning): Likewise.
6044 (convert_and_check): Likewise.
6045 * doc/invoke.texi: Document new command line option.
6047 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6049 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6050 TARGET_NO_FP_IN_TOC for section anchors.
6051 (optimization_options): Enable section anchors for all
6052 non-"Objective" languages.
6054 2006-04-28 Eric Christopher <echristo@apple.com>
6056 * config/darwin-c.c (darwin_ms_struct): Move this
6057 (darwin_set_default_type_attributes): and this...
6058 * config/darwin.c: ... here.
6059 * config/darwin.h (darwin_ms_struct): Declare.
6061 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
6063 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
6065 2006-04-28 Roger Sayle <roger@eyesopen.com>
6068 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
6069 (push_array_bounds): Delete prototype. Change BOUNDS argument to
6070 an unsigned HOST_WIDE_INT.
6071 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
6073 (really_start_incremental_init): No need to call convert because
6074 bitsize_zero_node is already of type bitsizetype.
6075 (push_init_level): Extract the value of constructor_index as an
6076 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
6077 (process_init_element): Likewise.
6079 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
6081 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
6082 value before passing to make_relative_prefix.
6084 2006-04-28 Alan Modra <amodra@bigpond.net.au>
6087 * builtins.c (expand_builtin_memset): Expand val in original mode.
6089 2006-04-27 Eric Christopher <echristo@apple.com>
6091 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
6092 with #ifndef/#endif.
6093 * config/darwin-c.c (darwin_ms_struct): New.
6094 (darwin_pragma_ms_struct): Ditto.
6095 (darwin_set_default_type_attributes): Ditto.
6096 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
6097 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
6098 Register ms_struct pragma.
6099 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
6100 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
6101 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
6102 darwin_set_default_type_attributes if TARGET_MACHO.
6104 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
6106 PR tree-optimization/26854
6107 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
6108 * doc/tree-ssa.texi: Update immuse iterator documentation.
6109 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
6110 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
6111 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
6112 first_safe_imm_use, next_safe_imm_use): Remove.
6113 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
6114 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
6115 (move_use_after_head): New. Helper function to sort immuses in a stmt.
6116 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
6117 (first_imm_use_stmt): New. Get first stmt in an immuse list.
6118 (next_imm_use_stmt): New. Get next stmt in an immuse list.
6119 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
6120 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
6121 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
6122 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
6123 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
6124 (perfect_nestify): Use new iterator.
6125 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
6127 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
6128 (next_imm_name): New field in struct immediate_use_iterator_d.
6129 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
6130 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
6131 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
6132 * tree-cfg.c (replace_uses_by): Use new iterator.
6133 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
6134 * tree-ssa-operands.c (correct_use_link): Remove.
6135 (finalize_ssa_use_ops): No longer call correct_use_link.
6137 2006-04-27 Stuart Hastings <stuart@apple.com>
6139 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
6140 * config/t-darwin (crt3.o): Use it.
6141 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
6142 'pmode', use Pmode instead of SImode for SYMBOL_REF.
6143 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
6144 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
6145 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
6148 2006-04-27 Roger Sayle <roger@eyesopen.com>
6150 * expmed.c (store_fixed_bit_field): If we're not optimizing for
6151 size, force the intermediate into a new pseudo rather instead of
6152 performing both a bitwise AND and a bitwise IOR in memory.
6154 2006-04-27 Richard Guenther <rguenther@suse.de>
6156 PR rtl-optimization/26685
6157 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
6158 this one "max-flow-memory-locations".
6160 2006-04-27 Richard Guenther <rguenther@suse.de>
6162 PR tree-optimization/25148
6163 * tree-vrp.c (compare_values): Remove code dealing with
6164 comparisons against type min/max value. Honour overflow
6165 and negative constants in code dealing with comparisons
6166 of plus and minus expressions.
6167 (value_inside_range): Use fold_binary with LE_EXPR and
6168 GE_EXPR rather than compare_values.
6170 2006-04-27 Dirk Mueller <dmueller@suse.de>
6172 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
6175 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
6177 * basic-block.h (safe_insert_insn_on_edge): Removed.
6178 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
6180 2006-04-26 David Edelsohn <edelsohn@gnu.org>
6181 Paolo Bonzini <bonzini@gnu.org>
6184 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
6185 (simplify_and_const_int): Same.
6187 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
6189 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
6191 2006-04-26 Jakub Jelinek <jakub@redhat.com>
6194 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
6195 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
6196 cgraph_global_info_ready.
6199 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
6202 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
6203 either decl or init is error_mark_node.
6206 * tree-flow.h (struct omp_region): Add sched_kind.
6207 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
6208 instead of extracting omp for data.
6209 (expand_omp_for): Save extracted sched_kind.
6211 2006-04-25 Roger Sayle <roger@eyesopen.com>
6213 * expmed.c (store_bit_field): Also check whether the bitsize is
6214 valid for the machine's "insv" instruction before moving the
6215 target into a pseudo for use with the insv.
6216 * config/i386/predicates.md (const8_operand): New predicate.
6217 * config/i386/i386.md (extv, extzv, insv): Use the new
6218 const8_operand predicate where appropriate.
6220 2006-04-25 DJ Delorie <dj@redhat.com>
6222 * doc/install.texi (Specific): Clarify that this is not a list of
6223 supported hosts or targets.
6225 2006-04-25 Richard Sandiford <richard@codesourcery.com>
6227 PR rtl-optimization/26725
6228 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
6229 block's BB_DIRTY flag.
6231 2006-04-25 Geoffrey Keating <geoffk@apple.com>
6233 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
6236 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
6237 to print an integer.
6239 2006-04-25 David Edelsohn <edelsohn@gnu.org>
6241 * varasm.c (align_variable): New function.
6242 (get_block_for_decl): Apply align_variable to DECL before
6243 calculating section information.
6244 (assemble_variable): Split out alignment computation.
6246 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
6248 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
6251 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
6253 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
6254 MODE_PARTIAL_INT mode.
6255 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
6256 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
6258 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
6259 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
6261 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
6263 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
6265 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
6266 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
6267 MACFLAG_IH): Likewise.
6268 (movstricthi_1): Renamed from "*movstricthi".
6269 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
6270 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
6271 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
6272 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
6273 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
6274 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
6275 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
6276 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
6277 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
6278 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
6279 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
6280 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
6281 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
6282 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
6283 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
6285 * doc/rtl.texi (ss_ashift): Improve wording.
6287 2006-04-24 Geoffrey Keating <geoffk@apple.com>
6289 * dwarf2out.c (verify_marks_clear): New.
6290 (prune_unused_types): Call verify_marks_clear initially, not
6293 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
6295 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
6296 * doc/rtl.texi: Document them.
6297 * simplify-rtx.c (simplify_unary_operation,
6298 simplify_binary_operation_1): Don't abort when we see them.
6300 2006-04-24 Mark Mitchell <mark@codesourcery.com>
6303 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6304 * configure.ac: Completely disregard languages that are not
6306 * configure: Regenerated.
6308 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6309 Richard Guenther <rguenther@suse.de>
6311 PR tree-optimization/27236
6312 * tree-inline.c (copy_body_r): Make sure to copy
6313 TREE_THIS_VOLATILE flag.
6315 2006-04-24 Richard Guenther <rguenther@suse.de>
6318 * tree-complex.c (update_parameter_components): Don't handle
6319 unused parameters which have no default def.
6321 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6322 Richard Guenther <rguenther@suse.de>
6324 PR tree-optimization/27218
6325 * tree-inline.c (expand_call_inline): Strip useless type
6326 conversions for the return slot address.
6328 2006-04-24 Richard Guenther <rguenther@suse.de>
6330 * cfgloop.h (struct loops): Remove unused field array. Reorder
6332 (LOOP_PREFETCH): Remove.
6334 2006-04-24 Richard Guenther <rguenther@suse.de>
6336 PR tree-optimization/22525
6337 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
6338 variable, adjust types of generated expressions.
6340 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
6342 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
6343 (tree-vect-patterns.o): Likewise.
6345 (cselib.o): Likewise.
6346 (loop-doloop.o): Likewise.
6347 (regclass.o): Likewise.
6348 (reload1.o): Likewise.
6349 (explow.o): Replace target.h with $(TARGET_H).
6350 (ipa-prop.o): Likewise.
6351 (ipa-cp.o): Likewise.
6352 (ipa-inline.o): Likewise.
6353 (reorg.o): Likewise.
6354 (reg-stack.o): Likewise.
6356 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6358 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
6360 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6362 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
6364 * configure.ac: Completely disregard languages that are not
6366 * configure: Regenerated.
6369 * c-common.h (c_build_bitfield_integer_type): Declare.
6370 * c-decl.c (c_build_bitfield_integer_type): Move to ...
6371 * c-common.c (c_build_bitfield_integer_type): ... here.
6373 2006-04-23 Roger Sayle <roger@eyesopen.com>
6376 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
6377 a SImode SUBREG of a floating point register after no_new_pseudos.
6379 2006-04-23 Roger Sayle <roger@eyesopen.com>
6381 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
6382 identify potentially eliminable registers to additionally catch
6383 VIRTUAL_INCOMING_ARGS_REGNUM.
6384 (addsi3): Update the conditions on when to use addsi_small_int.
6386 2006-04-23 Roger Sayle <roger@eyesopen.com>
6389 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
6390 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
6391 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
6393 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6395 * fold-const.c (range_predecessor): Use operand_equal_p
6396 as the predicate for equality.
6397 (range_successor): Likewise.
6399 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6402 * config/soft-fp/op-common.h: Fix a typo.
6404 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
6407 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
6408 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
6410 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6412 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
6414 * doc/tm.texi: Fix a typo.
6416 2006-04-21 Geoffrey Keating <geoffk@apple.com>
6418 * dwarf2out.c (struct die_struct): Document that die_sib makes
6419 a circular linked list.
6420 (FOR_EACH_CHILD): New.
6421 (reverse_die_lists): Delete.
6422 (reverse_all_dies): Delete.
6423 (add_dwarf_attr): Correct documentation.
6424 (remove_child_with_prev): New.
6425 (remove_child_TAG): Update for change to die_struct, use
6426 remove_child_with_prev.
6427 (add_child_die): Update for change to die_struct.
6428 (splice_child_die): Use remove_child_with_prev and add_child_die.
6429 (print_die): Use FOR_EACH_CHILD.
6430 (die_checksum): Likewise.
6431 (assign_symbol_names): Likewise.
6432 (output_location_lists): Likewise.
6433 (build_abbrev_table): Likewise.
6434 (calc_die_sizes): Likewise.
6435 (mark_dies): Likewise.
6436 (unmark_dies): Likewise.
6437 (unmark_all_dies): Likewise.
6438 (output_die): Likewise.
6439 (prune_unused_types_mark): Likewise.
6440 (prune_unused_types_walk): Likewise.
6441 (same_die_p): Update for change to die_struct.
6442 (break_out_includes): Likewise.
6443 (prune_unused_types_prune): Likewise.
6444 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
6445 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
6447 (dwarf2out_finish): Don't call reverse_all_dies.
6449 2006-04-21 Eric Christopher <echristo@apple.com>
6451 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
6452 in comments and function names.
6454 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6457 * c-typeck.c (digest_init): Robustify.
6459 * c-typeck.c (pop_init_level): Simplify.
6461 2006-04-21 Steve Ellcey <sje@cup.hp.com>
6463 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
6465 2006-04-21 Paul Brook <paul@codesourcery.com>
6467 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
6468 hardware floating point.
6470 2006-04-21 David Edelsohn <edelsohn@gnu.org>
6472 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
6475 2006-04-21 Nick Clifton <nickc@redhat.com>
6477 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
6480 2006-04-21 Alan Modra <amodra@bigpond.net.au>
6483 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
6484 C++ lang type in traceback table for Objective-C++.
6486 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
6488 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
6490 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
6492 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6495 * tree-mudflap.c (mudflap_finish_file): Skip function when there
6496 were errors. Remove check for erroneous objects.
6498 2006-04-20 Jeff Law <law@redhat.com>
6500 PR tree-optimization/26854
6501 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
6502 checking for zero or one use.
6503 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
6504 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
6505 * tree-ssa-reassoc.c (negate_value): Similarly.
6506 (reassociate_bb): Similarly.
6508 2006-04-20 Jakub Jelinek <jakub@redhat.com>
6510 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
6511 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
6512 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
6514 2006-04-20 Alan Modra <amodra@bigpond.net.au>
6516 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
6517 fp regs if the last fp arg doesn't fit in regs.
6519 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
6522 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
6523 that the last insn has the REG_INC note.
6525 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
6526 Nathan Sidwell <nathan@codesourcery.com>
6529 * stor-layout.c (update_alignment_for_field): Do not align
6531 (place_union_field): Place union field at the start of the union.
6532 (place_field): Move ERROR_MARK check later, and use the current
6533 allocation position to maintain monotonicity.
6535 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
6537 * dominance.c: Include timevar.h.
6538 (calculate_dominance_info): Use TV_DOMINANCE.
6539 * timevar.def (TV_DOMINANCE): New timevar.
6540 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
6542 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6544 PR rtl-optimization/14261
6545 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
6546 move would be an INSV insn.
6547 (noce_process_if_block): Don't optimize if the destination is a
6548 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
6550 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6552 * config/s390/s390.md: Add comments with the instructions emitted
6553 by an insn pattern if macros are used.
6555 2006-04-19 Alan Modra <amodra@bigpond.net.au>
6557 PR rtl-optimization/26026
6558 * fold-const.c (fold_binary): Optimize div and mod where the divisor
6559 is a known power of two shifted left a variable amount.
6561 2006-04-18 Geoffrey Keating <geoffk@apple.com>
6563 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
6564 to hash table twice when the debug_str section has SECTION_MERGE.
6566 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
6568 * config/soft-fp: New directory. From glibc.
6569 * config/soft-fp/t-softfp: New.
6570 * config/soft-fp/README: New.
6571 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
6572 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
6573 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
6574 (LIBGCC_DEPS): Add $(SFP_MACHINE).
6575 * config.gcc: Use rs6000/t-fprules-fpbit or
6576 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
6578 * config/rs6000/sfp-machine.h: New. Based on glibc.
6579 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
6581 * config/rs6000/t-fprules: Remove fp-bit rules.
6582 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
6583 * config/rs6000/t-linux64: Likewise. Remove duplicates from
6584 LIB2FUNCS_EXTRA. Remove fp-bit rules.
6585 (softfp_wrap_start, softfp_wrap_end): New.
6587 2006-04-18 DJ Delorie <dj@redhat.com>
6589 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
6591 2006-04-18 Devang Patel <dpatel@apple.com>
6593 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
6595 2006-04-18 Nick Clifton <nickc@redhat.com>
6597 * config/sh/t-symbian: Add rule to build sh-c.o
6598 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
6599 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
6600 (sh_symbian_encode_section_info): Likewise.
6602 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
6604 * builtins.c (expand_builtin_strcmp): Cover label definition of
6605 do_libcall with HAVE_cmpstrnsi.
6607 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
6609 * function.c (temp_slots_at_level, max_slot_level): Use VEC
6611 * function.h (temp_slot_p): New.
6612 (function): Change the type of x_used_temp_slots to
6613 VEC(temp_slot_p,gc) *.
6615 2006-04-18 Nick Clifton <nickc@redhat.com>
6617 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
6618 flag_strength_reduce.
6620 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
6622 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6626 Partial revert of revision 112637
6627 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6628 Dale Johannesen <dalej@apple.com>
6631 * regclass.c (struct reg_pref): Update documentation.
6632 (regclass): Set prefclass to NO_REGS if memory is the best option.
6633 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6635 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6637 PR tree-optimization/26821
6638 * tree-ssa-math-opts.c (get_constant_one): New.
6639 (insert_reciprocals): Use it.
6641 2006-04-17 Geoffrey Keating <geoffk@apple.com>
6643 * dwarf2out.c (free_AT): Delete.
6644 (remove_AT): Update string ref counts.
6645 (remove_child_TAG): Don't call free_die.
6647 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
6648 or DW_TAG_GNU_EINCL.
6649 (prune_unused_types_walk_attribs): Reset string refcounts.
6650 (prune_unused_types_update_strings): New.
6651 (prune_unused_types_prune): Don't make unnecessary stores. Don't
6652 call free_die. Do call prune_unused_types_update_strings.
6653 (prune_unused_types): Empty debug_str_hash.
6655 2006-04-17 Roger Sayle <roger@eyesopen.com>
6657 * expr.c (expand_assignment): Optimize away no-op moves where the
6658 source and destination are equal and have no side-effects.
6660 2006-04-17 Richard Guenther <rguenther@suse.de>
6663 * reload.c (push_reload): Guard calls to get_secondary_mem
6666 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
6668 * alias.c (reg_base_value, old_reg_base_value): Change the
6669 type to VEC(rtx,gc) *.
6670 (REG_BASE_VALUE, find_base_value, record_set,
6671 init_alias_analysis): Use VEC instead of VARRAY.
6673 * alias.c (alias_sets): Change the type to
6674 VEC(alias_set_entry,gc) *.
6675 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
6676 VEC instead of VARRAY.
6677 (last_alias_set): Remove.
6679 * cgraph.h (cgraph_edge_p): New.
6680 Update the prototype of cgraph_function_versioning.
6681 * cgraphunit.c (cgraph_copy_node_for_versioning,
6682 cgraph_function_versioning): Use VEC instead of VARRAY.
6683 * ipa-cp.c (ipcp_insert_stage): Likewise.
6685 2006-04-16 Roger Sayle <roger@eyesopen.com>
6688 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
6689 "A op B" or "A op C", we may need to convert A to the type of B and C.
6691 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
6693 * target.h (struct gcc_target): Add mode_rep_extended.
6694 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
6695 (init_num_sign_bit_copies_in_rep): Initialize it using
6697 (truncate_to_mode): Use it.
6698 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
6699 * targhooks.h (default_mode_rep_extended): Declare it.
6700 * targhooks.c (default_mode_rep_extended): Define it.
6701 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
6702 default_mode_rep_extended.
6703 (TARGET_INITIALIZER): Include it.
6704 * doc/tm.texi (Misc): Document it.
6705 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
6706 (mips_truncated_to_mode): New function.
6708 2006-04-16 Roger Sayle <roger@eyesopen.com>
6711 * expr.c (compress_float_constant): Copy the narrow constant into
6712 a new pseudo before extending it to its final width.
6714 2006-04-16 Roger Sayle <roger@eyesopen.com>
6715 Andrew Pinski <pinskia@gcc.gnu.org>
6716 Dale Johannesen <dalej@apple.com>
6719 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
6720 special case code to implement V8HImode and V16QImode with SSE2.
6722 2006-04-15 Roger Sayle <roger@eyesopen.com>
6724 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
6725 trees are constructed with a suitable tree type.
6727 2006-04-15 Roger Sayle <roger@eyesopen.com>
6729 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
6730 (integer_onep): Likewise.
6731 (integer_all_onesp): Likewise.
6732 (integer_pow2p): Likewise.
6733 (integer_nonzerop): Likewise.
6734 (real_zerop): Likewise.
6735 (real_onep): Likewise.
6736 (real_twop): Likewise.
6737 (real_minus_onep): Likewise.
6738 (int_size_in_bytes): Likewise.
6739 (host_integerp): Likewise.
6741 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
6743 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
6744 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
6745 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
6747 * tree-ssa-structalias.h (alias_info): Remove num_references.
6749 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6751 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
6752 (output_bvb patterns): Likewise.
6753 * pa.c (output_bb): Use 'bb' insn for long branch case.
6754 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
6755 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
6756 1. Correct length operand for alternatives 1 and 2.
6757 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
6758 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
6760 2006-04-14 Roger Sayle <roger@eyesopen.com>
6762 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
6763 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
6764 were accidentally reverted by r112959.
6766 2006-04-15 Jakub Jelinek <jakub@redhat.com>
6769 * except.h (eh_region_outermost): New prototype.
6770 * except.c (eh_region_outermost): New function.
6771 * tree-cfg.c (find_outermost_region_in_block): Use it.
6773 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6775 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
6777 * reload1.c (reg_equiv_memory_loc_varray): Rename to
6778 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
6779 (init_reload, reload): Use VEC instead of VARRAY.
6780 * reload.h: Update the prototype for
6781 reg_equiv_memory_loc_varray.
6783 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
6784 Eric Botcazou <ebotcazou@libertysurf.fr>
6786 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
6789 2005-04-13 Uros Bizjak <uros@kss-loka.si>
6792 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
6793 to expand fallback builtin function call.
6795 2006-04-14 Alan Modra <amodra@bigpond.net.au>
6798 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
6799 and emit libcall here in case the builtin fails.
6800 (expand_builtin_strcmp): Always emit the libcall here on failure.
6802 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6804 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
6805 * flow.c (reg_n_info): Change the type to
6806 VEC(reg_info_p,heap) *.
6807 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
6809 * regs.h (reg_info_p): New.
6810 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
6811 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
6812 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
6815 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
6817 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
6819 * params.h (MAX_SCHED_READY_INSNS): New macro.
6820 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
6821 past MAX_SCHED_READY_INSNS during the first scheduling pass.
6822 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
6823 the ready list for 1 cycle during the first scheduling pass.
6824 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
6826 2006-04-13 Richard Henderson <rth@redhat.com>
6829 * gimple-low.c (lower_omp_directive): Remove dead code.
6830 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
6831 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
6832 * omp-low.c (struct omp_region): Move to tree-flow.h.
6833 (root_omp_region): Export.
6834 (omp_regions, lookup_omp_region): Remove.
6835 (determine_parallel_type): Update for struct omp_region changes.
6836 (dump_omp_region): Dump regions with block numbers.
6837 (new_omp_region): Take type and block instead of stmt; malloc
6839 (free_omp_region_1, free_omp_regions): New.
6840 (expand_parallel_call): Take entry_stmt as argument; update for
6841 changes to omp_region.
6842 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
6843 (remove_exit_barriers): New.
6844 (expand_omp_parallel): Update for struct omp_region changes.
6845 (expand_omp_synch): Likewise.
6846 (expand_omp): Likewise.
6847 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
6848 (expand_omp_for_static_chunk): Likewise.
6849 (expand_omp_for): Likewise.
6850 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
6851 (expand_omp_sections): Similarly, with GOMP_sections_end.
6852 (expand_omp_single): New.
6853 (build_omp_regions_1): Update for OMP_CONTINUE.
6854 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
6855 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
6856 OMP_SECTIONS_SECTIONS.
6857 (lower_omp_single_simple): Don't emit barrier here.
6858 (lower_omp_single_copy): Likewise.
6859 (lower_omp_single): Fix bindings, and lower to straightline now.
6860 (lower_omp_master, lower_omp_ordered): Likewise.
6861 (lower_omp_critical): Likewise.
6862 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
6863 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
6864 omp edges, free it afterward.
6865 (make_omp_sections_edges): Remove.
6866 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
6867 (move_stmt_r): Handle OMP_CONTINUE.
6868 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
6869 statement pointers to basic blocks. Add type member.
6870 (root_omp_region, new_omp_region, free_omp_regions): Declare.
6871 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
6872 * tree-inline.c (estimate_num_insns_1): Likewise.
6873 * tree-pretty-print.c (dump_generic_node): Likewise.
6874 * tree-ssa-operands.c (get_expr_operands): Likewise.
6875 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
6876 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
6877 (OMP_CONTINUE): New.
6878 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
6879 (OMP_SECTIONS_SECTIONS): Remove.
6880 (OMP_SECTION_LAST): New.
6881 (OMP_RETURN_NOWAIT): New.
6883 2006-04-13 Roger Sayle <roger@eyesopen.com>
6885 * fold-const.c (native_encode_vector, native_interpret_real):
6886 Correct obvious mistakes in the previous check-in.
6888 2006-04-13 Roger Sayle <roger@eyesopen.com>
6890 * fold-const.c (native_encode_expr): New function to encode
6891 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
6892 or VECTOR_CST into a specified buffer.
6893 (native_encode_int): New function.
6894 (native_encode_real): New function.
6895 (native_encode_complex): New function.
6896 (native_encode_vector): New function.
6897 (native_interpret_expr): Inverse of native_encode_expr to convert
6898 a target representation into an INTEGER_CST, REAL_CST etc...
6899 (native_interpret_int): New function.
6900 (native_interpret_real): New function.
6901 (native_interpret_complex): New function.
6902 (native_interpret_vector): New function.
6903 (fold_view_convert_expr): New function to constant fold/evaluate
6904 a VIEW_CONVERT_EXPR of a suitable constant expression.
6905 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
6906 Change call of build1 to fold_build1 when constructing a
6909 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
6910 Ulrich Weigand <uweigand@de.ibm.com>
6913 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
6916 2006-04-13 Alan Modra <amodra@bigpond.net.au>
6919 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
6920 optimize to lo_sum for DFmode if !TARGET_FPRS.
6922 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6924 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
6925 delete_alias_info, compute_flow_sensitive_aliasing,
6926 group_aliases): Use VEC instead of VARRAY.
6927 * tree-ssa-structalias.c (update_alias_info): Likewise.
6928 * tree-ssa-structalias.h (alias_info): Change the type of
6929 processed_ptrs to VEC(tree,heap) *.
6931 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
6934 * config/sh/lib1funcs.h: New file, broken out of:
6935 * config/sh/lib1funcs.asm.
6936 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
6938 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
6939 * config/sh/lib1funcs-Os-4-200.asm: New file.
6940 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
6941 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
6942 (EXTRA_MULTILIB_PARTS): Include it.
6943 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
6944 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
6945 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
6946 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
6949 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6951 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
6952 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
6953 tpa_compact, root_var_init, type_var_init): Use VEC instead of
6955 * tree-ssa-live.h: Include vecprim.h.
6956 (tree_partition_associator_d): Change the type of
6957 first_partition to VEC(int,heap) *.
6958 (tpa_first_partition): Use VEC instead of VARRAY.
6960 * Makefile.in (GTFILES): Move functions.h after tree.h.
6961 * function.c (reset_block_changes, record_block_change,
6962 check_block_change, free_block_changes): Use VEC instead of
6964 * function.h (function): Change the type of
6965 ib_boundaries_block to VEC(tree,gc) *.
6966 * tree-inline.c (copy_cfg_body): Initialize
6967 ib_boundaries_block to NULL instead of (varray_type) 0.
6969 2006-04-12 Roger Sayle <roger@eyesopen.com>
6971 * expr.c (emit_group_store): Correct operand order in call to
6972 subreg_lowpart_offset. Always create paradoxical SUBREGs with
6973 a SUBREG_BYTE of zero.
6975 2006-04-12 Richard Guenther <rguenther@suse.de>
6977 * profile.c (compute_branch_probabilities): Remove code
6978 encapsulated in !ir_type (), which are remanents of the
6979 removed RTL profiling code.
6980 * rtl-profile.c: Remove.
6982 2006-04-12 Alan Modra <amodra@bigpond.net.au>
6984 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
6985 magic NULL_RTX comment.
6986 (function_arg): Store entire fp arg to mem if any part should go
6988 (rs6000_arg_partial_bytes): Adjust for above change.
6990 2006-04-11 Roger Sayle <roger@eyesopen.com>
6992 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
6993 if it hasn't been initialized by dwarf2out_init.
6995 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
6997 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
6998 symbolic constants in branch patterns.
7000 2006-04-11 Roger Sayle <roger@eyesopen.com>
7002 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7004 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7006 PR rtl-optimization/27073
7007 * gcse.c (try_replace_reg): Revert last change. Continue to search
7008 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7011 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7013 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7014 aggregate types other than record and union types.
7015 (function_arg): Likewise.
7016 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7018 (function_value): In 64-bit mode, return objects that require it
7021 2006-04-11 Roger Sayle <roger@eyesopen.com>
7023 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7025 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7027 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7029 2006-04-03 Jeff Law <law@redhat.com>
7032 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7033 alias information too.
7035 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7037 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7039 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7042 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7043 (premark_used_types_helper): New.
7044 (premark_used_types): New.
7045 (gen_subprogram_die): Call premark_used_types.
7046 (prune_unused_types_walk): Do not prune perennial dies.
7047 * function.c (used_types_insert): New.
7048 * function.h (struct function): Add used_types_hash field.
7049 (used_types_insert): Add prototype.
7050 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
7051 * c-parser.c (c_parser_cast_expression): Save casted types in used
7054 2006-04-11 Mark Mitchell <mark@codesourcery.com>
7057 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
7058 rs6000_explicit_options.float_gprs.
7060 2006-04-10 Roger Sayle <roger@eyesopen.com>
7062 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
7063 from ix86_expand_vector_init_low_nonzero. Take an additional
7064 one_var argument indicating which element is non-zero. Support
7065 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7066 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
7067 with one_var instead of ix86_expand_vector_init_low_nonzero.
7069 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
7071 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
7072 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
7073 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
7074 build/genextract.o): Depend on vecprim.h.
7075 * cfglayout.c, df-problems.c, function.c, genextract.c,
7076 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
7077 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
7081 2006-04-10 Geoffrey Keating <geoffk@apple.com>
7083 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
7084 Declare VECs of this type.
7085 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
7086 (remove_children): Delete.
7087 (add_dwarf_attr): Use VEC routines.
7088 (add_AT_flag): Update for changes to add_dwarf_attr.
7089 (add_AT_int): Likewise.
7090 (add_AT_unsigned): Likewise.
7091 (add_AT_long_long): Likewise.
7092 (add_AT_vec): Likewise.
7093 (add_AT_string): Likewise.
7094 (add_AT_die_ref): Likewise.
7095 (add_AT_fde_ref): Likewise.
7096 (add_AT_loc): Likewise.
7097 (add_AT_loc_list): Likewise.
7098 (add_AT_addr): Likewise.
7099 (add_AT_lbl_id): Likewise.
7100 (add_AT_lineptr): Likewise.
7101 (add_AT_macptr): Likewise.
7102 (add_AT_offset): Likewise.
7103 (add_AT_range_list): Likewise.
7104 (get_AT): Use VEC_iterate.
7105 (remove_AT): Use VEC_ordered_remove.
7106 (free_die): Fold remove_children into here; have it use VEC_iterate.
7107 (print_die): Use VEC_iterate on attrs.
7108 (reverse_die_lists): Don't reverse attr lists.
7109 (die_checksum): Use VEC_iterate on attrs.
7110 (same_die_p): Likewise.
7111 (output_location_lists): Likewise.
7112 (build_abbrev_table): Likewise.
7113 (size_of_die): Likewise.
7114 (unmark_all_dies): Likewise.
7115 (output_abbrev_section): Likewise.
7116 (output_die): Likewise.
7117 (prune_unused_types_walk_attribs): Likewise.
7119 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7121 * doc/install.texi (*-*-solaris2*): Point to the configure page.
7123 2006-04-10 Jakub Jelinek <jakub@redhat.com>
7126 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
7128 2006-04-09 Roger Sayle <roger@eyesopen.com>
7130 * expr.c (store_constructor): Don't bother clearing target if
7131 we're about to assign a vector to it using vec_init_optab.
7133 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
7135 * tree-ssa-alias.c (lhs_may_store_to): New function.
7136 (recalculate_used_alone): Handle LHS of calls.
7138 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7142 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
7143 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
7144 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
7145 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
7146 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
7147 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
7148 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
7149 stubs. Add ".align 8" directives before all ".dword" directives.
7150 (GTHREAD_USE_WEAK): Revise comment.
7151 (TARGET_ATTRIBUTE_WEAK): Define.
7152 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
7153 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
7154 * stublib.c: New file.
7159 * pa.md (cbranch patterns): Revise arguments used in calls to
7160 output_cbranch, output_bb and output_bvd. Add long branch length
7162 (fbranch patterns): Handle long branches.
7163 (jump): Revise length check. Revise arguments for output_lbranch call.
7164 Add long branch length attributes.
7165 (decrement_and_branch_until_zero): Add long branch length attributes.
7166 (output_movb, output_parallel_addb and output_parallel_movb patterns):
7167 Likewise. Revise arguments for output_parallel_addb and
7168 output_parallel_movb calls.
7169 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
7170 output_parallel_movb and output_parallel_addb): Update prototypes.
7171 * pa.c (output_cbranch): Revise arguments. Correct handling of
7172 nullification in long branches.
7173 (output_lbranch): Add new argument to control extraction of delay
7175 (output_bb): Handle long branches.
7176 (output_bvb, output_dbra, output_movb, output_parallel_movb,
7177 output_parallel_addb): Likewise.
7179 2006-04-09 Richard Sandiford <richard@codesourcery.com>
7181 PR rtl-optimization/27073
7182 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
7185 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
7187 * tree.h (tree_memory_tag): Add old_used_alone.
7188 (SMT_OLD_USED_ALONE): New macro.
7189 * tree-ssa-alias.c (recalculate_used_alone): Stop
7190 marking things for renaming unnecessarily.
7192 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
7194 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
7195 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
7196 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
7197 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
7198 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
7199 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
7200 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
7201 spelling convensions.
7202 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
7203 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
7204 typos. Follow spelling conventions.
7206 2006-04-07 DJ Delorie <dj@redhat.com>
7208 * config/m32c/m32c.c (m32c_function_arg): Structures are always
7209 passed on the stack.
7210 (m32c_init_cumulative_args): When a function returns a structure,
7211 always pass the pointer to that return area on the stack.
7212 (m32c_function_arg_advance): Don't increment the parameter number
7213 if we're processing the returned structure pointer.
7214 (pushm_info): Reverse order of registers.
7216 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
7218 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
7219 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7220 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
7221 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
7223 * tree-chrec.c (chrec_fold_multiply_poly_poly,
7224 chrec_fold_multiply): Same.
7225 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
7226 force_expr_to_var_cost): Same.
7227 * tree-mudflap.c (mf_xform_derefs_1): Same.
7228 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
7230 2006-04-07 David Edelsohn <edelsohn@gnu.org>
7232 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
7233 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
7236 2006-04-07 Jan Hubicka <jh@suse.cz>
7238 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
7240 2006-04-07 Richard Guenther <rguenther@suse.de>
7242 PR tree-optimization/26135
7243 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
7244 loads for store copy-prop.
7245 (copy_prop_visit_stmt): Likewise.
7247 2006-04-05 Robert Millan <robertmh@gnu.org>
7249 * config/i386/linux.h: Add a comment to mark macros that are
7250 being overriden in config/k*bsd-gnu.h.
7251 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
7253 * config/knetbsd-gnu.h: Ditto.
7255 2006-04-06 Jan Hubicka <jh@suse.cz>
7259 * coverage.c (coverage_checksum_string): Reorganize loop to not read
7262 2006-04-06 Mike Stump <mrs@apple.com>
7264 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
7265 for HAVE_nonlocal_goto to be consistent.
7266 (expand_builtin_nonlocal_goto): Likewise.
7267 (expand_builtin_strcmp): Use #ifdef instead of #if
7268 for HAVE_cmpstrnsi to be consistent.
7270 2006-04-05 DJ Delorie <dj@redhat.com>
7272 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
7275 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
7277 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
7278 got-relative addressing for anything but SImode.
7280 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
7281 even if the calling function doesn't modify them.
7283 2006-04-05 Richard Guenther <rguenther@suse.de>
7285 PR tree-optimization/26919
7286 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
7287 to cgraph_estimate_size_after_inlining.
7289 2006-04-05 Alan Modra <amodra@bigpond.net.au>
7291 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
7293 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
7295 PR tree-optimization/26996
7296 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
7297 VECTOR_TYPE variables.
7299 2006-04-05 Richard Guenther <rguenther@suse.de>
7301 PR tree-optimization/26763
7302 * fold-const.c (fold_comparison): Move folding of
7303 PTR + CST CMP PTR + CST ...
7304 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
7306 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
7308 * doc/install.texi (Prerequisites): Refine some wording on
7309 bootstrapping and ksh.
7310 Move the version numbers of DejaGnu here from the testing section
7311 and fix casing of names.
7312 Fix markup and clarify wording for autogen requirements.
7313 Refer to GCJ instead of just java.
7314 Refer to SVN instead of CVS.
7315 Describe diffutils as useful instead of necessary.
7316 (Downloading the source): Refer to SVN instead of CVS.
7317 Adjust a link to our web site accordingly.
7318 (Configuration): Fix casing of Bison.
7319 (Building): Refer to SVN instead of CVS.
7320 Fix a sentence on the use of Bison and remove duplicate (and
7321 incorrect) version number of Bison requirement.
7322 Remove one redundant list of packages needed for building.
7323 (Specific): Avoid reference to CVS.
7325 2006-04-04 Eric Christopher <echristo@apple.com>
7327 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
7328 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
7329 (rs6000_handle_struct_attribute): New.
7330 (rs6000_ms_bitfield_layout_p): Ditto.
7332 2006-04-04 Geoffrey Keating <geoffk@apple.com>
7334 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
7335 NULL for dso parameter to atexit_common.
7337 2006-04-04 Eric Christopher <echristo@apple.com>
7339 * config/i386/i386.c (machopic_output_stub): Output \t
7340 between instructions and operands.
7342 2006-04-04 David Edelsohn <edelsohn@gnu.org>
7344 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
7345 satisfies_constraint_[IL] to explicit tests on value.
7347 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
7349 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7350 set_nb_iterations_in_loop): Use build_int_cst instead of
7352 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
7353 build_int_cst instead of convert.
7355 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
7357 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
7358 new value 2 for incoming.
7359 * function.c (expand_function_start): Call struct_value_rtx
7361 * config/sparc/sparc.md: Comment updated_return.
7362 * config/sparc/sparc.opt: Add -mstd-struct-return option.
7363 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
7364 struct return if sparc_std_struct_return and incoming is 2.
7365 (print_operand): Do not adjust return if
7366 sparc_std_struct_return.
7368 2006-04-04 Roger Sayle <roger@eyesopen.com>
7370 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
7371 convert in the middle-end.
7372 * expr.c (store_expr, store_constructor, get_inner_reference,
7373 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
7375 * tree.c (build_range_type): Likewise.
7377 2006-04-04 Tom Tromey <tromey@redhat.com>
7379 * doc/install.texi (Prerequisites): Mention jar.
7381 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
7383 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
7386 2006-04-04 Matthias Klose <doko@debian.org>
7388 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
7392 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
7395 2006-04-03 Geoffrey Keating <geoffk@apple.com>
7397 * doc/extend.texi (Function Attributes): Rewrite visibility
7398 attribute documentation.
7399 * doc/invoke.texi (C++ Dialect Options): Rewrite
7400 -fvisibility-inlines-hidden documentation to describe something
7401 entirely different, although in practise compatible.
7402 (Code Gen Options): Warn about system headers in -fvisibility=
7405 * doc/extend.texi (Other Builtins): Document that
7406 __builtin_nan is a compile-time constant only when its argument
7409 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
7411 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
7412 trying to remove TRUNCATE check if all bits outside the new mode
7413 are identical to the sign bit.
7415 2006-04-03 Jeff Law <law@redhat.com>
7417 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
7418 and operand scanning in some common cases.
7420 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7421 Dale Johannesen <dalej@apple.com>
7424 * regclass.c (struct reg_pref): Update documentation.
7425 (regclass): Set prefclass to NO_REGS if memory is the best option.
7426 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7427 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
7428 into account. For non-registers, equate an empty preferred
7429 reload class to a `!' in the constraint; move the if clause to
7430 do so after those that reject the insn.
7431 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
7433 (find_dummy_reload): Likewise.
7434 * doc/tm.texi (Register Classes): Document what it means
7435 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
7436 * config/i386/i386.c (ix86_preferred_reload_class): Force
7437 using SSE registers (and return NO_REGS for floating-point
7438 constants) if math is done with SSE.
7439 (ix86_preferred_output_reload_class): New.
7440 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
7441 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
7442 * config/i386/i386.md: Remove # register preferences.
7444 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7447 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7448 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
7449 the type of nb_iter.
7450 (instantiate_parameters_1): Convert the operands before calling
7451 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
7452 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
7454 2006-04-02 Roger Sayle <roger@eyesopen.com>
7456 * builtins.c (dummy_object): Use build_int_cst instead of convert.
7457 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
7459 * dojump.c (do_jump): Likewise.
7460 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
7461 * gimplify.c (gimple_boolify, gimplify_init_constructor,
7462 gimplify_boolean_expr): Likewise.
7463 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
7464 * varasm.c (array_size_for_constructor): Likewise.
7465 * tree-object-size.c (compute_object_offset): Likewise.
7467 2006-04-02 Roger Sayle <roger@eyesopen.com>
7470 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
7471 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
7473 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7475 PR tree-optimization/26939
7476 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
7478 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7480 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
7481 at_stmt. Convert the type of operands before calling
7482 build_polynomial_chrec.
7483 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
7485 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
7486 (instantiate_parameters_1): Convert the type of operands before calling
7487 build_polynomial_chrec.
7488 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
7489 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
7490 reset_evolution_in_loop): Insert asserts to check the types of the
7492 (chrec_type): Moved...
7493 (eq_evolutions_p): Use operand_equal_p.
7494 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
7495 the types of the operands.
7496 (chrec_type): ...here.
7497 * tree-data-ref.c (create_data_ref): Convert the operands before
7498 calling chrec_replace_initial_condition.
7499 (same_access_functions, analyze_subscript_affine_affine,
7500 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
7501 (compute_subscript_distance, analyze_ziv_subscript,
7502 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
7503 analyze_miv_subscript): Convert the operands before calling
7504 chrec_fold_minus or chrec_fold_plus.
7506 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7508 * tree-data-ref.c (compute_all_dependences): Use a pointer to
7509 the dependence_relations vector.
7510 (compute_data_dependences_for_loop): Adjust call to
7511 compute_all_dependences.
7513 2006-04-01 Roger Sayle <roger@eyesopen.com>
7514 Richard Henderson <rth@redhat.com>
7516 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
7517 gimple_boolify on the condition before calling gimplify_expr.
7519 2006-03-31 Bob Wilson <bob.wilson@acm.org>
7521 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
7522 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
7523 the frame size. Update to use the new macros.
7524 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
7525 * config/xtensa/ieee754-df.S: Likewise.
7527 2006-03-31 Richard Henderson <rth@redhat.com>
7529 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
7530 (make_edges): ... here. Control fallthru creation with a local
7531 variable. Do not play with fake edges.
7532 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
7533 (make_goto_expr_edges): Don't play with fake edges. Make for_call
7536 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
7538 * dwarf2.h (DW64_CIE_ID): Define.
7539 * dwarf2out.c (DWARF_CIE_ID): Define.
7540 (output_call_frame_info): Output 0xffffffff before standard 8-byte
7541 length header. Use DWARF_CIE_ID.
7542 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
7543 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
7545 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
7547 * config/sh/linux-atomic.asm: New file.
7548 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
7550 2006-03-31 DJ Delorie <dj@redhat.com>
7552 * config/m32c/cond.md: Set condition flags properly throughout.
7553 * config/m32c/minmax.md: Likewise.
7554 * config/m32c/prologue.md: Likewise.
7555 * config/m32c/bitops.md: Likewise.
7556 * config/m32c/muldiv.md: Likewise.
7557 * config/m32c/mov.md: Likewise.
7558 * config/m32c/addsub.md: Likewise.
7559 * config/m32c/m32c.md: Likewise.
7560 * config/m32c/jump.md: Likewise.
7561 * config/m32c/shift.md: Likewise.
7563 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
7564 conditionally output the pattern for this.
7565 * config/m32c/m32c.c (flags_needed_for_conditional): New.
7566 (m32c_compare_redundant): New.
7567 (m32c_output_compare): New.
7568 * config/m32c/m32c-protos.h (m32c_output_compare): New.
7570 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
7571 dest, not src. Allow other 4-byte modes.
7573 2006-03-30 Denis Chertykov <denisc@overta.ru>
7575 * doc/md.texi: Refer to avr/constraints.md instead of
7578 2006-03-30 Roger Sayle <roger@eyesopen.com>
7580 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
7581 signed vs. unsigned comparison failures on some hosts.
7583 2006-03-31 Alan Modra <amodra@bigpond.net.au>
7586 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
7587 change to FLOAT_REGS.
7589 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
7590 (rs6000_override_options): Use it.
7591 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
7592 only for -mabi=spe/no-spe and -mabi=altivec.
7594 2006-03-30 Geoffrey Keating <geoffk@apple.com>
7596 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
7599 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
7601 * Makefile.in: Rename docdir to gcc_docdir.
7603 2006-03-30 Roger Sayle <roger@eyesopen.com>
7606 * expr.c (emit_group_store): Optimize group stores into a pseudo
7607 register by using a paradoxical subreg to initialize the destination
7608 if the first or last member of the group specifies a "low part".
7610 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7613 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
7614 * target.h (struct gcc_target.speculate_insn): Change type of the
7615 second parameter to 'int'.
7616 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
7617 the second operand of the DEPS_LIST.
7618 (copy_DEPS_LIST_list): Update reference to the second operand of the
7620 * rtl.h (alloc_DEPS_LIST): Update signature.
7621 * sched-int.h (ds_t): Change typedef to 'int'.
7622 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7624 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7626 * haifa-sched.c (try_ready): Change condition to restore
7627 non-speculative pattern of the instruction.
7628 (process_insn_depend_be_in_spec): Code to keep probability of the
7629 speculative dependence non-decreasing.
7631 2006-03-30 Jie Zhang <jie.zhang@analog.com>
7633 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
7634 (single_move_for_movmem): ... this. Also change all uses.
7635 (bfin_expand_strmov): Renamed to...
7636 (bfin_expand_movmem): ... this. Also change all uses.
7637 * config/bfin/bfin.md (movstrsi): Renamed to...
7638 (movstrsi): ...this.
7640 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
7642 PR tree-optimization/26830
7644 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
7645 (copy_prop_visit_stmt): Remove write-only variable ann.
7646 (init_copy_prop): Check variable loop depth here. Do not simulate
7647 memory-tag and virtual operand PHIs except for store copy prop.
7649 2006-03-30 Richard Guenther <rguenther@suse.de>
7651 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
7652 variants with double arguments.
7654 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7656 * genpreds.c (write_tm_constrs_h): Delete variable p.
7657 * genconditions.c (write_header): Add tm-constrs.h to included
7659 * genpeep.c (main): Add toplev.h to included headers.
7660 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
7661 (build/genpeep.o): Add toplev.h dependency.
7662 * config/rs6000/constraints.md: Add "W" constraint.
7664 2006-03-29 Roger Sayle <roger@eyesopen.com>
7666 * stor-layout.c (mode_for_size_tree): Remove restiction on type
7667 sizes by correctly testing whether the size fits a host integer.
7668 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
7669 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
7670 SImode range for the default sizetype and bitsizetype.
7672 2006-03-29 Roger Sayle <roger@eyesopen.com>
7674 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
7675 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
7676 quickly if the argument is already of the correct type.
7677 Call fold_build1 instead of build1. Tidy up blank lines.
7679 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7681 * genemit.c (main): Add tm-constrs.h to included headers.
7682 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
7683 * genpeep.c (main): Add tm-constrs.h to included headers.
7684 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
7685 (write_tm_constrs_h): this and write complete file.
7686 (write_tm_preds_h): Do not emit satisfies_constraint fns.
7687 (write_insn_preds_c): Add tm-constrs.h to included headers.
7688 (gen_constrs): New variable.
7689 (parse_option): Parse "-c".
7690 (main): Invoke write_tm_constrs_h.
7691 * genrecog.c (write_header): Add tm-constrs.h to included headers.
7692 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
7693 (object_out_file): Add tm-constrs.h dependency.
7694 (insn-emit.o): Same.
7695 (insn-output.o): Same.
7696 (insn-peep.o): Same.
7697 (insn-preds.o): Same.
7698 (insn-recog.o): Same.
7699 (tm-constsr.h): New target.
7700 (s-constrs-h): New target.
7702 * config/rs6000/constraints.md: New file.
7703 * config/rs6000/rs6000.c: Include tm-constrs.h.
7704 (num_insn_constant_wide): Convert to satisfies_constraint.
7705 (rs6000_rtx_costs): Convert to satisfies_constraint.
7706 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
7707 (CONST_OK_FOR_LETTER_P): Delete.
7708 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7709 (EXTRA_CONSTRAINT): Delete.
7710 (EXTRA_MEMORY_CONSTRAINT): Delete.
7711 (EXTRA_ADDRESS_CONSTRAINT): Delete.
7712 * config/rs6000/predicates.md: Convert to satisfies_constraint.
7713 * config/rs6000/rs6000.md: Include constraints.md. Convert to
7714 satisfies_constraint.
7716 * config/i386/i386.c: Include tm-constrs.h.
7718 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
7720 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
7721 * tree-data-ref.c (find_data_references_in_loop,
7722 compute_data_dependences_for_loop): Use pointers to VEC.
7723 (analyze_all_data_dependences): Adjust calls.
7724 * tree-data-ref.h (find_data_references_in_loop,
7725 compute_data_dependences_for_loop): Adjust declarations.
7726 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
7727 compute_data_dependences_for_loop.
7729 2006-03-29 Paul Brook <paul@codesourcery.com>
7731 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
7734 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
7736 PR tree-optimization/26859
7737 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
7739 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
7740 for the step after fold_convert.
7742 2006-03-29 Paul Brook <paul@codesourcery.com>
7744 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
7745 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
7747 2006-03-29 Paul Brook <paul@codesourcery.com>
7750 * targhooks.c (default_narrow_bitfield): New fuction.
7751 * targhooks.h (default_narrow_bitfield): add prototype.
7752 * target.h (gcc_target): Add narrow_volatile_bitfield.
7753 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7754 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
7755 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
7756 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7758 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
7760 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
7762 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
7763 (NR_C_MODES): Add TDmode, DDmode and SDmode.
7764 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
7765 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
7766 (s390_function_arg_float): Allow SDmode and DDmode values to be
7767 passed in floating point registers.
7768 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
7769 check with SCALAR_FLOAT_MODE_P.
7770 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
7772 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7774 PR tree-optimization/25985
7775 * tree-ssa-loop-niter.c (number_of_iterations_le,
7776 number_of_iterations_ne): Make comments more precise.
7777 (number_of_iterations_cond): Add only_exit argument. Use the
7778 fact that signed variables do not overflow only when only_exit
7780 (loop_only_exit_p): New.
7781 (number_of_iterations_exit): Pass result of loop_only_exit_p to
7782 number_of_iterations_cond.
7784 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7786 PR tree-optimization/26643
7787 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
7790 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
7792 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
7793 (divsi3_i4_int): Likewise.
7795 2006-03-28 Roger Sayle <roger@eyesopen.com>
7797 * expr.c (emit_group_store): Only create a new pseudo reg if the
7798 quantity it needs to hold isn't already a suitable pseudo.
7800 2006-03-28 Jeff Law <law@redhat.com>
7802 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
7803 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
7805 2006-03-28 Roger Sayle <roger@eyesopen.com>
7807 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
7808 the equivalent ~X & Y, and the symmetry related transformations.
7809 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
7810 ~X & Y, and symmetry related transforms.
7812 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7814 Revert my 2006-03-27 patches.
7816 2006-03-28 Roger Sayle <roger@eyesopen.com>
7818 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
7819 ~(T1)X, when T1 and T2 are integer types of the same precision
7820 and (T2)X isn't an extension.
7822 2006-03-28 Jeff Law <law@redhat.com>
7824 PR tree-optimization/26796
7825 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
7826 need EH edge cleanups rather than purging them immediately.
7827 (eliminate_degenerate_phis): Handle queued EH cleanups.
7829 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
7831 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
7834 2006-03-27 Roger Sayle <roger@eyesopen.com>
7837 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
7838 cast BIT_NOT_EXPR operand to the correct type.
7840 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
7842 * tree-loop-linear.c: Don't include varray.h.
7843 (gather_interchange_stats, try_interchange_loops,
7844 linear_transform_loops): Use VEC instead of VARRAY.
7845 * lambda-mat.c: Don't include varray.h.
7846 * tree-chrec.c: Same.
7847 * lambda-trans.c: Same.
7848 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
7849 VEC instead of VARRAY.
7850 * tree-vectorizer.h: Idem.
7851 * tree-data-ref.c (dump_data_references,
7852 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
7853 initialize_data_dependence_relation, finalize_ddr_dependent,
7854 compute_all_dependences, find_data_references_in_loop,
7855 compute_data_dependences_for_loop, analyze_all_data_dependences,
7856 free_dependence_relation, free_dependence_relations,
7857 free_data_refs): Idem.
7858 * tree-data-ref.h (data_reference_p, subscript_p): New.
7859 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
7860 VEC instead of VARRAY.
7861 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
7862 (find_data_references_in_loop, compute_data_dependences_for_loop,
7863 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
7864 dump_data_dependence_relations, free_dependence_relations,
7865 free_data_refs): Adjust declaration.
7866 (lambda_transform_legal_p): Move declaration here...
7867 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
7868 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
7869 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
7870 vect_analyze_data_refs): Use VEC instead of VARRAY.
7871 * lambda.h (lambda_transform_legal_p): ...from here.
7872 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
7873 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
7874 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
7875 tree-chrec.o): Don't depend on VARRAY_H.
7877 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7879 * rtl.def (Copyright): Update date.
7880 (DEPS_LIST): Change type of the second operand to 'int'.
7881 * target.h (Copyright): Update date.
7882 (struct gcc_target.speculate_insn): Change type of the second parameter
7884 * lists.c (Copyright): Update date.
7885 (alloc_DEPS_LIST): Change signature. Update reference to the second
7886 operand of the DEPS_LIST.
7887 (copy_DEPS_LIST_list): Update reference to the second operand of the
7889 * rtl.h (Copyright): Update date.
7890 (alloc_DEPS_LIST): Update signature.
7891 * sched-int.h (Copyright): Update date.
7892 (ds_t): Change typedef to 'int'.
7893 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7895 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7897 * haifa-sched.c (Copyright): Update date.
7898 (try_ready): Change condition to restore non-speculative pattern
7900 (process_insn_depend_be_in_spec): Code to keep probability of the
7901 speculative dependence non-decreasing.
7903 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
7905 * regrename.c (replace_oldest_value_addr): Initialize a variable to
7906 shut up the compiler.
7908 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
7910 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
7911 to use lib prefix for target.
7912 ($(T)libic_invalidate_array_4-200.a): Likewise.
7913 ($(T)libic_invalidate_array_4a.a): Likewise.
7915 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
7916 J"orn Rennecke <joern.rennecke@st.com>
7918 * superh.opt: New file.
7919 * sh.c (boardtype, osruntime): Remove.
7920 * superh.h (SUBTARGET_OPTIONS): Remove.
7921 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
7923 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
7924 arguments with ^ and/or [].
7926 * config.gcc (sh-*-*): Add quoting to account for quirk of
7928 Replace == with = in enable_incomplete_targets test.
7930 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
7931 with MASK_LITTLE_ENDIAN.
7933 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
7934 * config/sh/sh.opt: Added to some comments.
7935 * config/sh/superh.h: Removed some chaff.
7937 * config/sh/sh.opt: Add m4-[1234]00* options.
7938 * config/sh/sh.c (sh_handle_option): Likewise.
7939 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
7940 (ic_invalidate_array_4-100.o): New rule.
7941 ($(T)libic_invalidate_array_4-100.a): Likewise.
7942 (ic_invalidate_array_4-200.o): Likewise.
7943 ($(T)libic_invalidate_array_4-200.a): Likewise.
7944 (ic_invalidate_array_4a.o): Likewise.
7945 ($(T)libic_invalidate_array_4a.a): Likewise.
7946 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
7947 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
7949 * config/sh/crt1.asm: Merged in profiling code.
7950 * config/sh/superh.h (STARTFILE_SPEC): Override.
7951 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
7952 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
7953 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
7955 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
7956 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
7957 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
7959 * sh.opt (mpretend-cmove): New option.
7960 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
7961 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
7962 (movsicc): Add TARGET_PRETEND_CMOVE code.
7964 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
7966 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
7967 s390_class_max_nregs): New function prototypes.
7968 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
7969 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
7970 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
7971 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
7973 2006-03-26 Geoffrey Keating <geoffk@apple.com>
7975 * dwarf2out.c (add_location_or_const_value_attribute): Call
7976 tree_add_const_value_attribute if nothing else works.
7977 (reference_to_unused): New.
7978 (rtl_for_decl_init): Use reference_to_unused to decide whether
7979 to output an initializer.
7981 2006-03-27 Alan Modra <amodra@bigpond.net.au>
7984 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
7985 peephole removing spe frob_di_df_2.
7987 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
7989 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
7990 (subscript_dependence_tester_1): Declared.
7991 (print_dir_vectors, print_dist_vectors): New.
7992 (debug_data_dependence_relation): New.
7993 (dump_data_dependence_relation): Print more details.
7994 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
7995 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
7996 (save_dist_v, save_dir_v, add_outer_distances,
7997 build_classic_dist_vector_1): New.
7998 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
7999 Don't test for lambda_vector_lexico_pos.
8000 (same_access_functions, add_multivariate_self_dist,
8001 add_other_self_distances, dir_from_dist): New.
8002 (build_classic_dir_vector): Replace implementation almost identical to
8003 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8005 (subscript_dependence_tester_1): New.
8006 (subscript_dependence_tester): Handle the lexicographically negative
8007 distance vectors by recomputing the dependence relation.
8008 (compute_affine_dependence): Remove parameter loop_nest_depth.
8009 (compute_self_dependence): Don't call compute_subscript_distance.
8010 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8011 Add a parameter for the loop_nest.
8012 (find_loop_nest_1, find_loop_nest): New.
8013 (compute_data_dependences_for_loop): Compute the loop nest, and give
8014 up if the nest is not well formed.
8015 * tree-data-ref.h (loop_p): New.
8016 (struct data_dependence_relation): Replace size_vect field with
8017 loop_nest, a vec of loops.
8018 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8019 (DDR_LOOP_NEST): New.
8020 (print_dir_vectors, print_dist_vectors,
8021 debug_data_dependence_relation): Declared.
8022 (index_in_loop_nest): New.
8023 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8024 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8027 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8029 * simplify-rtx.c (simplify_relational_operation): Call
8030 simplify_relational_operation_1 even if mode is VOIDmode.
8032 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8034 PR tree-optimization/26804
8035 * tree.h (DECL_CALL_CLOBBERED): New macro.
8036 (tree_decl_common): Add call_clobbered_flag.
8037 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8038 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8039 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8040 (mark_non_addressable): Ditto.
8041 * tree-ssa.c (verify_call_clobbered): New function.
8042 (verify_alias_info): Use it.
8043 * tree-pass.h (pass_reset_cc_flags): New prototype.
8044 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8045 (reset_cc_flags): New function.
8046 * passes.c (init_optimization_passes): Call reset_cc_flags after
8047 initializing referenced_vars.
8049 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8050 Roger Sayle <roger@eyesopen.com>
8053 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8054 to 1.0 for non-real operands. Implement A / A optimization for
8057 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
8059 * config/i386/i386.c (size_cost): Correct the comment for
8060 cost of storing fp registers.
8061 (i386_cost): Likewise.
8062 (i486_cost): Likewise.
8063 (pentium_cost): Likewise.
8064 (pentiumpro_cost): Likewise.
8065 (k6_cost): Likewise.
8066 (athlon_cost): Likewise.
8067 (k8_cost): Likewise.
8068 (pentium4_cost): Likewise.
8069 (nocona_cost): Likewise.
8070 (generic64_cost): Likewise.
8071 (generic32_cost): Likewise.
8073 2006-03-24 Denis Chertykov <denisc@overta.ru>
8075 * config/avr/avr-protos.h (extra_constraint): Delete.
8076 (extra_constraint_Q): New declaration.
8077 * config/avr/constraints.md: New file.
8078 * config/avr/avr.md: Include it.
8079 (REG_X, REG_Y, REG_Z, REG_W): New constants.
8080 (TMP_REGNO, ZERO_REGNO): Likewise.
8081 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
8082 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
8083 (extra_constraint): Delete.
8084 (extra_constraint_Q): Test for memory constraint 'Q'.
8085 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
8086 (REG_CLASS_FROM_LETTER): Delete.
8087 (CONST_OK_FOR_LETTER_P): Delete.
8088 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8089 (EXTRA_CONSTRAINT): Delete.
8090 (TMP_REGNO): Delete.
8091 (ZERO_REGNO): Delete.
8093 2006-03-24 Jeff Law <law@redhat.com>
8095 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
8096 directly. Call mark_new_vars_to_rename slightly earlier.
8098 2006-03-24 Geoffrey Keating <geoffk@apple.com>
8100 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
8102 (gen_compile_unit_die): Use new language types for Objective-C and
8104 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
8105 DW_LANG_C_plus_plus.
8108 * config/t-darwin (crt3.o): Work around bug 26840.
8109 * config/darwin-crt3.c: Rewrite.
8110 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
8112 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
8114 * doc/invoke.texi: Document -femit-class-debug-always
8115 * common.opt: Add -femit-class-debug-always.
8117 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
8119 * config/s390/s390.c (s390_decompose_address): Allow SImode for
8120 index and base register.
8121 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
8122 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
8123 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
8124 REGNO_OK_FOR_INDEX_P.
8125 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
8127 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
8128 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
8129 REG_OK_FOR_BASE_P): Definitions removed.
8131 2006-03-24 Jakub Jelinek <jakub@redhat.com>
8134 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
8135 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
8136 set yet or weren't marked as local yet.
8138 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
8140 * regrename.c (scan_rtx_address): Initialize a variable to shut up
8143 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
8145 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
8146 (rs6000_legitimate_small_data_p): Delete.
8147 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
8148 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
8149 and make static. Add forward declaration. Update uses.
8150 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
8151 of offsettable_memref_p.
8152 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
8153 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
8155 2006-03-24 Jeff Law <law@redhat.com>
8157 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
8158 around bug in immediate-use iterator.
8160 2006-03-24 Alan Modra <amodra@bigpond.net.au>
8163 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
8164 or __LITTLE_ENDIAN__.
8166 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
8168 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
8169 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
8170 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
8171 * config/sh/sh.opt (mdiv=): Amend description.
8172 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
8173 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
8174 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
8175 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
8176 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
8177 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
8178 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
8179 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
8180 TARGET_DIVIDE_CALL_FP.
8182 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8184 * haifa-sched.c (choose_ready): Fix type of the local variable.
8185 Move local variables. Add comment.
8186 (check_reg_live): Change signature. Make callable from debugger.
8187 * sched-int.h (check_reg_live): Update signature.
8188 * sched-ebb.c (check_reg_live): Update parameters.
8189 * sched-rgn.c (check_reg_live): Ditto.
8190 (region_head_or_leaf_p): Check pointer before dereferencing.
8191 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
8192 before reload on optimization levels below 1.
8194 2006-03-23 Richard Henderson <rth@redhat.com>
8196 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
8200 * config/alpha/predicates.md (local_symbolic_operand): Reject
8203 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
8206 * tree-ssa-pre.c (create_value_expr_from): Don't reject
8207 expressions which have overflowed constants.
8209 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8211 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
8213 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8215 * cfgloopmanip.c (create_loop_notes): Removed.
8216 * final.c (final_scan_insn): Do not handle loop notes.
8217 * jump.c (squeeze_notes): Ditto.
8218 * cfglayout.c (skip_insns_after_block,
8219 duplicate_insn_chain): Ditto.
8220 * cfgcleanup.c (rest_of_handle_jump2): Do not call
8222 * cfgloop.h (create_loop_notes): Declaration removed.
8224 2006-03-23 Richard Sandiford <richard@codesourcery.com>
8226 * varasm.c (output_constant_pool): Restore fnname and fndecl
8228 (assemble_start_function): Adjust call accordingly.
8229 (assemble_end_function): Likewise.
8231 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8234 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
8237 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
8239 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8242 * system.h (ICE_EXIT_CODE): New macro.
8243 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
8244 (diagnostic_action_after_output): Likewise.
8245 * gcc.c (fatal_ice): New function.
8246 (execute): Use it instead of fatal.
8247 (fancy_abort): Likewise.
8248 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
8250 2006-03-22 Jeff Law <law@redhat.com>
8252 * loop-unroll.c (analyze_iv_to_split_insn): Handle
8253 iv_analyze_result returning false.
8255 2006-03-22 Jie Zhang <jie.zhang@analog.com>
8257 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
8259 2006-03-22 Richard Henderson <rth@redhat.com>
8262 * except.c (duplicate_eh_regions_0): New.
8263 (duplicate_eh_region_1): Duplicate the children of the node as
8264 well as the node itself. Link them up properly.
8265 (duplicate_eh_region_2): Merge into ...
8266 (duplicate_eh_regions): ... here. Take copy_region argument, and
8267 copy only a sub-tree if asked. Simplify copying and fixup.
8268 (eh_region_outer_p): New.
8269 * except.h (duplicate_eh_regions): Update decl.
8270 (eh_region_outer_p): Declare.
8271 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
8272 (lower_omp_master): Likewise.
8273 (lower_omp_ordered): Likewise.
8274 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
8275 (move_stmt_r): Use it to remap labels. Handle recursion vs
8276 remap_decls_p properly.
8277 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
8278 (find_outermost_region_in_block): New.
8279 (new_label_mapper): New.
8280 (move_sese_region_to_fn): Copy eh information to the new function
8282 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
8284 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
8287 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8289 * doc/md.texi (-mshared): Mention that -mshared code can be linked
8290 into shared libraries.
8292 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8294 * doc/md.texi: Refer to i386/constraints.md instead of
8296 * config/i386/constraints.md: New file, extracted from...
8297 * config/i386/predicates.md: ...here.
8298 * config/i386/i386.md: Include constraints.md.
8300 2006-03-21 Jason Merrill <jason@redhat.com>
8302 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
8305 * expr.c (init_block_move_fn): Force default visibility.
8306 (init_block_clear_fn): Likewise.
8307 * builtins.c (expand_builtin_fork_or_exec): Likewise.
8308 * targhooks.c (default_external_stack_protect_fail): Likewise.
8310 2006-03-21 Richard Sandiford <richard@codesourcery.com>
8312 * config/mips/predicates.md (const_call_insn_operand): Allow direct
8313 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
8314 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
8315 Use TARGET_OLDABI instead of !TARGET_NEWABI.
8316 (loadgp): Use mips_current_loadgp_style.
8317 (loadgp_noshared): New pattern.
8318 (sibcall_internal): Use MIPS_CALL.
8319 (sibcall_value_internal): Likewise.
8320 (sibcall_value_multiple_internal): Likewise.
8321 (call_internal): Likewise.
8322 (call_value_internal): Likewise.
8323 (call_value_multiple_internal): Likewise.
8324 (call_split): Use MIPS_CALL and add an 'S' constraint.
8325 (call_value_split): Likewise.
8326 (call_value_multiple_split): Likewise.
8327 * config/mips/mips.opt (-mabicalls): Tweak docstring.
8328 (-mshared): New option.
8329 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
8330 (mips_current_loadgp_style): Declare.
8331 * config/mips/mips.c (mips_classify_symbol): Avoid using
8332 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
8333 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
8334 TARGET_ABSOLUTE_ABICALLS.
8335 (override_options): Adjust comments. Improve the warning that is
8336 issued when -mabicalls and -G are used together.
8337 (mips_file_start): Remove comment.
8338 (mips_current_loadgp_style): New function.
8339 (mips_gnu_local_gp): New variable.
8340 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
8342 (mips_output_function_prologue): Use mips_current_laodgp_style.
8343 (mips_expand_prologue): Call mips_emit_loadgp before emitting
8344 the cprestore instruction.
8345 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
8346 live for TARGET_ABSOLUTE_ABICALLS.
8347 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
8348 (ASM_SPEC): Pass down -mshared and -mno-shared.
8349 (MIPS_CALL): New macro.
8350 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
8352 * doc/invoke.texi (-mabicalls): Update documentation.
8353 (-mshared): Document.
8355 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8357 * config/ia64/unwind-hpux.c: New file.
8358 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
8360 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8363 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
8365 2006-03-21 Jeff Law <law@redhat.com>
8367 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
8368 type conversions of a VR_VARYING source to a wider type.
8370 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
8372 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
8373 tm_file on Solaris 10 and later.
8374 (sparc64-*-solaris2*): Likewise.
8375 (sparc-*-solaris2*): Likewise.
8376 * config/sol26.h: Rename to config/sol2-6.h.
8377 * config/sol2-10.h: New file.
8379 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
8382 * tree-ssa-pre.c (create_component_ref_by_pieces):
8385 2006-03-21 Jakub Jelinek <jakub@redhat.com>
8388 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
8389 return it immediately.
8391 2006-03-21 Michael Matz <matz@suse.de>
8393 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
8395 (remove_arc, add_arc): Update num_out_arcs member.
8396 (set_out_arc_insns_equiv_num): Returns nothing instead of number
8398 (cache_presence): New function.
8399 (compare_states_for_equiv): New function.
8400 (state_is_differed): Don't take number of outargs, adjust callers.
8401 Use new invariant for speeding up.
8402 (init_equiv_class): Create initial classes based on sorted
8404 (partition_equiv_class): Don't track out_arcs_num.
8405 (evaluate_equiv_classes): Call cache_presence on all states and
8408 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
8410 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
8411 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
8412 (bfin_valid_reg_p): Test for pseudos explicitly and use only
8413 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
8415 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
8416 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
8417 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
8418 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
8419 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
8421 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
8422 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
8423 (REGNO_REG_CLASS): ARGP is in PREGS.
8424 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
8426 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
8427 to deal with those addresses.
8428 * addresses.h: New file.
8429 * caller-save.c: Include "addresses.h".
8430 (init_caller_save): Use new base_reg_class function.
8431 * rtl-factoring.c: Include "addresses.h".
8432 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
8433 * recog.c: Include "addresses.h".
8434 (preprocess_constraints): Use new base_reg_class function.
8435 * regrename.c: Include "addresses.h".
8436 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
8437 functions. Keep track of a new var INDEX_CODE to compute valid
8439 (replace_oldest_value_addr): Likewise.
8440 (replace_oldest_value_mem): Use base_reg_class.
8441 * reload.c: Include "addresses.h".
8442 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
8443 (find_reloads): Use new base_reg_class function.
8444 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
8445 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
8446 all callers and prototype changed.
8447 * reload1.c: Include "addresses.h".
8448 (maybe_fix_stack_asms): Use base_reg_class.
8449 * regclass.c: Include "addresses.h".
8450 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
8451 (init_reg_autoinc): Use new base_reg_class function.
8452 (record_reg_classes): Likewise.
8453 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
8454 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
8455 Use new args to compute necessary class.
8457 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
8458 regrename.o, rtl-factoring.o): Update dependencies.
8459 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
8460 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
8461 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
8462 REG_OK_FOR_INDEX_P): Delete documentation.
8464 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
8466 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
8467 from V7 to V9 for Solaris 7 and above.
8469 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
8471 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
8472 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
8473 argument pointers may not alias any other storage.
8474 * common.opt: Define option -fargument-noalias-anything.
8475 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
8476 alias semantics is specified by flag_argument_noalias > 2.
8478 2006-03-20 Jeff Law <law@redhat.com>
8480 * tree-pass.h (pass_phi_only_copy_prop): Delete.
8481 (pass_phi_only_cprop): Declare.
8482 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
8484 * tree-ssa-dom.c (degenerate_phi_result): New function.
8485 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
8486 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
8487 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
8488 (eliminate_degenerate_phis): Likewise.
8489 (pass_phi_only_cprop): New pass descriptor.
8490 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
8491 support code. Callers updated.
8492 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
8493 (store_copy_prop): Likewise.
8494 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
8496 2006-03-20 Jason Merrill <jason@redhat.com>
8499 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
8500 (push_visibility, pop_visibility): Likewise.
8501 * c-pragma.h: Declare them.
8503 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
8505 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
8507 * config/sh/sh.c (find_regmode_weight): Change the type of the first
8508 parameter and use get_ebb_head_tail.
8509 (sh_md_init_global): Adjust uses of find_regmode_weight.
8511 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
8513 * function.h (struct function) <x_tail_recursion_reentry>:
8514 Rename to x_stack_check_probe_note.
8515 (tail_recursion_reentry): Rename to stack_check_probe_note.
8516 * function.c: Replace tail_recursion_reentry with
8517 stack_check_probe_note everywhere.
8518 (expand_function_start): Only emit a note for
8519 stack_check_probe_note with -fstack-protect.
8520 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
8522 * emit-rtl.c (remove_unnecessary_notes): Remove.
8523 (pass_remove_unnecessary_notes): Remove.
8524 * rtl.h (remove_unnecessary_notes): Remove prototype.
8525 * final.c (final_start_function): Don't call remove_unnecessary_notes.
8526 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
8527 * passes.c (pass_remove_unnecessary_notes): Don't run it.
8529 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
8532 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
8533 (valid_in_set): Handle ARRAY_REF.
8534 Change "if min_variant or VH" to asserts.
8535 (create_component_ref_by_pieces): Handle ARRAY_REF.
8536 (create_expression_by_pieces): Likewise.
8537 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
8539 2006-03-20 David Edelsohn <edelsohn@gnu.org>
8541 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
8542 is operand of switch, not str[0].
8544 2006-03-20 Alan Modra <amodra@bigpond.net.au>
8546 * config/rs6000/rs6000.c (rs6000_handle_option): Use
8547 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
8549 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8551 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
8552 end of insn_extra_address_constraint declaration.
8554 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8556 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
8557 (no-sum-in-toc): Same.
8558 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
8560 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
8561 NO_FP_IN_TOC for -fPIC instead of mask.
8563 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
8564 (BOOT_LDFLAGS): Delete.
8566 * config/rs6000/t-aix52: Same.
8568 * config/rs6000/rs6000.md (store_multiple_power): Delete.
8569 (stmsi[345678]_power): New.
8571 2006-03-17 Steve Ellcey <sje@cup.hp.com>
8573 * config/ia64/ia64.opt: Add empty line to end of file.
8575 2006-03-17 Richard Guenther <rguenther@suse.de>
8578 * builtins.c (get_pointer_alignment): For component style references
8579 adjust alignment to the component type alignment. Make sure
8580 to adjust alignment for component access of constants.
8582 2006-03-17 David Edelsohn <edelsohn@gnu.org>
8584 * config/rs6000/rs6000.md (strlensi): Emit barrier after
8587 2006-03-17 Paul Brook <paul@codesourcery.com>
8589 * doc/install.texi: Docuemnt --with-mode.
8590 * config.gcc: Add --with-mode for arm*-*-*.
8591 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
8593 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
8595 * sh.c (max_labelno_before_reorg): New variable.
8596 (sh_reorg): Initialize it.
8597 (find_barrier): Check max_labelno_before_reorg before using
8598 label_to_alignment. Take length of explicit alignment insns
8599 into account. When seeing a UNSPECV_CONST_END, return it.
8601 * sh.c (fixup_mova): Set mode of affected label to QImode.
8602 (untangle_mova): New function.
8603 (find_barrier): Use it. Check mode of label before decrementing
8605 (sh_reorg): Likewise.
8606 Set mode of all insns back to VOIDmode.
8608 * sh.c (MOVA_LABELREF): New macro.
8609 (mova_p, fixup_mova, sh_reorg): Use it.
8610 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
8611 ADDR_DIFF_VEC matches mova.
8613 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
8615 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
8616 with ATTRIBUTE_UNUSED.
8618 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8620 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8621 pointer, instead of assuming it is possible to derive the
8622 correct args size from a call insn.
8624 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8626 * rtl.h (CONST_INT_P): Define.
8627 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
8628 instead of GET_CODE(x) == CONST_INT.
8629 (vax_rtx_costs): Likewise.
8630 (vax_output_int_move): Likewise.
8631 (vax_output_int_add): Likewise.
8632 (legitimate_constant_address_p): Likewise.
8633 (index_term_p): Likewise.
8634 * config/vax/vax.h (PRINT_OPERAND): Likewise.
8635 * config/vax/vax.md (and<mode>3): Likewise.
8636 (ashrsi3): Likewise.
8638 (movstricthi): Likewise.
8639 (movstrictqi): Likewise.
8640 (rotrsi3): Likewise.
8641 (five unnamed insns): Likewise.
8643 2006-03-16 Geoffrey Keating <geoffk@apple.com>
8645 * doc/tm.texi (SDB and DWARF): Add extra parameter to
8646 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
8647 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
8648 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
8649 Pass to ASM_OUTPUT_DWARF_OFFSET.
8650 * dwarf2out.c (debug_frame_section): New.
8651 (output_call_frame_info): Use debug_frame_section. Pass it to
8652 dw2_asm_output_offset.
8653 (output_die): Pass appropriate section to dw2_asm_output_offset.
8654 (output_compilation_unit_header): Likewise.
8655 (output_pubnames): Likewise.
8656 (output_aranges): Likewise.
8657 (enum dw_val_class): Break dw_val_class_lbl_offset into
8658 dw_val_class_lineptr and dw_val_class_macptr.
8659 (add_AT_lbl_offset): Delete.
8660 (add_AT_lineptr): New.
8661 (add_AT_macptr): New.
8662 (AT_lbl): Expect a lineptr or macptr.
8663 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
8664 (attr_checksum): Likewise.
8665 (same_dw_val_p): Likewise.
8666 (size_of_die): Likewise.
8667 (value_format): Likewise.
8668 (output_die): Likewise.
8669 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
8671 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8672 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
8673 * config/darwin-protos.h (darwin_file_start): New.
8674 (darwin_asm_output_dwarf_offset): New.
8675 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8676 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
8678 * config/darwin.c (darwin_emit_unwind_label): Don't output label
8679 if not EH section; simplify.
8680 (darwin_file_start): New.
8681 (darwin_asm_output_dwarf_offset): New.
8682 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
8684 (DEBUG_INFO_SECTION): Likewise.
8685 (DEBUG_ABBREV_SECTION): Likewise.
8686 (DEBUG_ARANGES_SECTION): Likewise.
8687 (DEBUG_MACINFO_SECTION): Likewise.
8688 (DEBUG_LINE_SECTION): Likewise.
8689 (DEBUG_LOC_SECTION): Likewise.
8690 (DEBUG_PUBNAMES_SECTION): Likewise.
8691 (DEBUG_STR_SECTION): Likewise.
8692 (DEBUG_RANGES_SECTION): Likewise.
8693 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
8694 (ASM_OUTPUT_DWARF_OFFSET): New.
8696 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
8698 * config.gcc (tm_defines): Always add to previous value rather
8701 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8703 * config/mips/predicates.md (splittable_const_int_operand): New,
8704 split from move_operand.
8705 (splittable_symbolic_operand): New.
8706 (move_operand): Add commentary. Use splittable_const_int_operand.
8707 Inline mips_atomic_symbolic_constant_p.
8708 * config/mips/mips.md: Add combine splitters for handling moves
8709 of splittable_const_int_operands and splittable_symbolic_operands.
8710 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
8711 (mips_split_symbol): Declare.
8712 (mips_move_integer): Declare.
8713 * config/mips/mips.c (mips_split_p): Make global.
8714 (TARGET_MIN_ANCHOR_OFFSET): Override default.
8715 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8716 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8717 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
8718 (mips_offset_within_object_p): Handle block symbols.
8719 (mips_atomic_symbolic_constant_p): Delete.
8720 (mips_cannot_force_const_mem): Return false for constants that
8721 mips_legitimize_move can handle.
8722 (mips_use_blocks_for_constant_p): New function.
8723 (mips_split_symbol): Make global.
8724 (mips_move_integer): Likewise. Add a temporary register argument.
8725 (mips_legitimize_const_move): Use splittable_const_int_operand and
8726 splittable_symbolic_operand.
8727 (mips_use_anchors_for_symbol_p): New function.
8728 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
8729 (mips_split_p): Declare.
8731 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8733 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
8734 (mips*-*-linux*): Likewise.
8736 2006-03-16 Roger Sayle <roger@eyesopen.com>
8737 Daniel Speyer <dspeyer@wam.umd.edu>
8740 * tree-dump.c (dump_real): New function.
8741 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
8742 * Makefile.in (REAL_H): New macro for dependencies on real.h.
8743 (tree-dump.o): Add $(REAL_H) to the dependencies.
8745 2006-03-16 Roger Sayle <roger@eyesopen.com>
8748 * real.c (real_from_string): If the mantissa is zero, don't bother
8749 parsing the exponent as the result should always be zero.
8751 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
8753 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
8755 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8757 * config/ia64/ia64.c (stops_p): Added explicit initialization.
8758 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
8759 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
8760 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
8761 ia64_sched_finish_global): New static functions to implement
8762 hooks from gcc_target.sched.
8763 (spec_check_no, max_uid, pending_data_specs): New static variables.
8764 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
8765 ia64_spec_check_src_p): New static functions.
8766 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
8767 (TARGET_SCHED_ADJUST_COST): Removed.
8768 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
8769 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
8770 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8771 TARGET_SCHED_GEN_CHECK,
8772 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8773 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
8774 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
8775 Fixed to handle speculation checks.
8776 (rtx_needs_barrier): Fixed to handle speculative loads and
8778 (ia64_variable_issue): Added code to count speculative loads and their
8780 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
8782 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
8784 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
8786 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
8787 (ia64_reorg): Reset stops_p to NULL after it is freed.
8788 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
8789 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
8790 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
8792 (data_speculative, control_speculative, check_load): New attributes.
8793 (mov<mode>_advanced, mov<mode>_speculative,
8794 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
8795 zero_extend<mode>di2_speculative,
8796 zero_extend<mode>di2_speculative_advanced): New patterns for
8797 data and control speculative loads.
8798 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
8800 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
8801 New pattern for data and control speculation checks.
8802 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
8803 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
8804 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
8805 Auxiliary definitions for the patterns.
8806 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
8807 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
8809 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
8811 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
8812 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
8813 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
8814 New resource constraints.
8815 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
8817 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
8818 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
8819 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8820 msched-in-control-spec, msched-ldc, msched-control-ldc,
8821 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8822 msched-prefer-non-control-spec-insns,
8823 msched-count-spec-in-critical-path): New flags to tune speculative
8825 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
8826 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8827 msched-in-control-spec, msched-ldc, msched-control-ldc,
8828 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8829 msched-prefer-non-control-spec-insns,
8830 msched-count-spec-in-critical-path): Document new flags.
8832 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8834 * target.h (struct spec_info_def): New opaque declaration.
8835 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
8836 speculate_insn, needs_block_p, gen_check,
8837 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
8838 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
8839 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
8840 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
8841 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8842 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
8844 (TARGET_SCHED): Use new macros.
8845 * rtl.h (copy_DEPS_LIST_list): New prototype.
8846 * sched-int.h (struct sched_info): Change signature of new_ready field,
8847 adjust all initializations. New fields: add_remove_insn,
8848 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
8849 region_head_or_leaf_p.
8850 (struct spec_info_def): New structure declaration.
8851 (spec_info_t): New typedef.
8852 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
8853 recovery_block, orig_pat.
8854 (glat_start, glat_end): New variables declaraions.
8855 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
8857 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
8858 DETACH_LIFE_INFO, USE_GLAT.
8859 (enum SPEC_SCHED_FLAGS): New enumeration.
8860 (NOTE_NOTE_BB_P): New macro.
8861 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
8862 attach_life_info, debug_spec_status, check_reg_live): New functions.
8863 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
8864 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
8866 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
8867 * ddg.c (get_block_head_tail): Adjust all uses.
8868 * modulo-sched.c (get_block_head_tail): Adjust all uses.
8869 (sms_sched_info): Initialize new fields.
8870 (contributes_to_priority): Removed.
8871 * haifa-sched.c (params.h): New include.
8872 (get_block_head_tail): Adjust all uses.
8873 (ISSUE_POINTS): New macro.
8874 (glat_start, glat_end): New global variables.
8875 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
8876 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
8877 old_last_basic_block, before_recovery, current_sched_info_var,
8878 rgn_n_insns, luid): New static variables.
8879 (insn_cost1): New function. Move logic from insn_cost to here.
8880 (find_insn_reg_weight1): New function. Move logic from
8881 find_insn_reg_weight to here.
8882 (reemit_notes, move_insn, max_issue): Change signature.
8883 (move_insn1): Removed.
8884 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
8885 extend_bb): New static functions to support extension of scheduler's
8887 (generate_recovery_code, process_insn_depend_be_in_spec,
8888 begin_speculative_block, add_to_speculative_block,
8889 init_before_recovery, create_recovery_block, create_check_block_twin,
8890 fix_recovery_deps): New static functions to support
8891 generation of recovery code.
8892 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
8893 restore_bb_notes, move_block_after_check, move_succs): New static
8894 functions to support ebb scheduling.
8895 (init_glat, init_glat1, attach_life_info1, free_glat): New static
8896 functions to support handling of register live information.
8897 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
8898 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
8899 add_jump_dependencies): New static functions.
8900 (check_cfg, has_edge_p, check_sched_flags): New static functions for
8901 consistancy checking.
8902 (debug_spec_status): New function to call from debugger.
8903 (priority): Added code to handle speculation checks.
8904 (rank_for_schedule): Added code to distinguish speculative instructions.
8905 (schedule_insn): Added code to handle speculation checks.
8906 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
8907 Fixed to handle ebbs.
8908 (move_insn): Added code to handle ebb scheduling.
8909 (max_issue): Added code to use ISSUE_POINTS of instructions.
8910 (choose_ready): Added code to choose between speculative and
8911 non-speculative instructions.
8912 (schedule_block): Added code to handle ebb scheduling and scheduling of
8913 speculative instructions.
8914 (sched_init): Initialize new variables.
8915 (sched_finish): Free new variables. Print statistics.
8916 (try_ready): Added code to handle speculative instructions.
8917 * lists.c (copy_DEPS_LIST_list): New function.
8918 * sched-deps.c (extend_dependency_caches): New function. Move logic
8919 from create_dependency_caches to here.
8920 (get_dep_weak, ds_merge): Make global.
8921 * genattr.c (main): Code to output prototype for
8922 dfa_clear_single_insn_cache.
8923 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
8924 (output_dfa_clean_insn_cache_func): Code to output
8925 dfa_clear_single_insn_cache function.
8926 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
8928 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
8930 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
8931 New static variables.
8932 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
8933 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
8935 (ebb_sched_info): Initialize new fields.
8936 (get_block_head_tail): Adjust all uses.
8937 (compute_jump_reg_dependencies): Fixed to use glat_start.
8938 (schedule_ebb): Code to remove unreachable last block.
8939 (schedule_ebbs): Added code to update register live information.
8940 * sched-rgn.c (region_sched_info): Initialize new fields.
8941 (get_block_head_tail): Adjust all uses.
8942 (last_was_jump): Removed. Adjust users.
8943 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
8944 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
8945 Implement new hooks.
8946 (check_dead_notes1): New static function.
8947 (struct region): New fields: dont_calc_deps, has_real_ebb.
8948 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
8949 (BB_TO_BLOCK): Fixed to handle EBBs.
8950 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
8951 (ebb_head): New static variable.
8952 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
8953 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
8955 (compute_dom_prob_ps): New assertion.
8956 (check_live_1, update_live_1): Fixed to work with glat_start instead of
8957 global_live_at_start.
8958 (init_ready_list): New assertions.
8959 (can_schedule_ready_p): Split update code to begin_schedule_ready.
8960 (new_ready): Add support for BEGIN_CONTROL speculation.
8961 (schedule_insns): Fixed code that updates register live information
8963 (schedule_region): Fixed to handle EBBs.
8964 (init_regions): Use extend_regions and check_dead_notes1.
8965 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
8966 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
8967 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
8968 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8969 TARGET_SCHED_GEN_CHECK,
8970 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8971 TARGET_SCHED_SET_SCHED_FLAGS): Document.
8972 * doc/invoke.texi (max-sched-insn-conflict-delay,
8973 sched-spec-prob-cutoff): Document.
8975 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8977 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
8978 inter_tick, queue_index.
8979 (struct sched_info): Change signature of init_ready_list field.
8980 Adjust all initializations.
8981 (RESOLVED_DEPS): New access macro.
8982 (ready_add): Remove prototype.
8983 (try_ready): Add prototype.
8984 * sched-rgn.c (init_ready_list): Use try_ready.
8985 (schedule_region): Initialize
8986 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
8987 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
8988 (init_ready_list): Use try_ready.
8989 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
8990 * lists.c (remove_list_elem): Remove `static'.
8991 (remove_free_INSN_LIST_elem): New function.
8992 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
8993 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
8994 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
8996 (readyp): New variable.
8997 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
8998 change_queue_index, resolve_dep): New static functions.
8999 (try_ready): New function. Adjust callers in sched-rgn.c and
9000 sched-ebb.c to use it instead of ready_add.
9001 (clock_var): Move at the begining of file.
9002 (rank_for_schedule): Fix typo.
9003 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9004 (ready_lastpos): Enforce assertion.
9005 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9007 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9008 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9009 (queue_to_ready): Use free_INSN_LIST_list.
9010 (early_queue_to_ready): Fix typo.
9011 (schedule_block): Init readyp. Move init_ready_list call after the
9012 initialization of clock_var. Fix error in rejecting insn by
9013 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9014 that previously corrected INSN_TICKs. Add code for handling
9016 (set_priorities): Fix typo.
9017 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9018 Clarify comment and code that keeps current_sched_info->next_tail
9021 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9023 * sched-rgn.c (extend_rgns): New static function.
9024 (find_rgns): Use it.
9025 (gather_region_statistics, print_region_statistics): New static
9027 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9028 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9030 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9031 Andrey Belevantsev <abel@ispras.ru>
9033 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9034 * lists.c (unused_deps_list): New variable.
9035 (free_list): Add assertions to verify the proper distinguishing
9036 between INSN_LISTs and DEPS_LISTs.
9037 (find_list_elem, remove_list_elem, remove_list_node): New static
9039 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9040 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9041 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9042 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9044 (free_INSN_LIST_node): Likewise.
9045 * modulo-sched.c (current_sched_info): Initialize flags field.
9046 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9047 * rtl.def (DEPS_LIST): Define.
9048 * rtl.h: Declare new functions from lists.c.
9049 * sched-deps.c (spec_dependency_cache): New static variable.
9050 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
9051 (add_dependence): Change return type to void. Move the logic to ...
9052 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9053 (delete_all_dependences): Add comment about forward_dependency_cache.
9054 Handle spec_dependency_cache. Handle DEPS_LISTs.
9055 (fixup_sched_groups): Clarify the change of priority of output
9056 and anti dependencies.
9057 (sched_analyze_2): Adjust add_dependence calls to create data
9058 speculative dependence.
9059 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
9060 Adjust all callers. Handle DEPS_LISTS.
9061 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
9062 presence of speculation.
9063 (init_dependency_caches, free_dependency_caches):
9064 Handle spec_dependency_cache.
9065 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
9066 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
9067 New static functions.
9068 (add_or_update_back_dep, add_or_update_back_forw_dep,
9069 add_back_forw_dep, delete_back_forw_dep): New functions.
9070 * sched-int.h (ds_t, dw_t): New typedefs.
9071 (struct sched_info): Add new field flags.
9072 (struct haifa_insn_data): Add new bitfield has_internal_dep.
9073 Prototype new sched-deps.c functions.
9074 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
9075 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
9076 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
9077 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
9078 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
9079 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
9081 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
9083 * sched-rgn.c (current_sched_info): Initialize flags field.
9084 (schedule_insns): Initialize current_sched_info before the sched_init
9086 * sched-ebb.c (current_sched_info): Initialize flags field.
9087 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
9088 Call add_or_update_back_dep instead of add_dependence.
9089 Create control speculative dependencies.
9090 (schedule_insns): Initialize current_sched_info before the sched_init
9093 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
9095 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
9097 (sh_fallback_frame_state): Likewise.
9099 2006-03-15 Geoffrey Keating <geoffk@apple.com>
9101 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
9102 Do switch on default_use_cxa_atexit.
9103 (powerpc*-*-darwin*): Build crt2.o on powerpc.
9104 * config/darwin-crt3.o: New.
9105 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
9106 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
9107 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
9109 * config/rs6000/t-darwin: Move crt2.o building to here.
9110 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
9111 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
9114 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9116 * config/vax/vax.c (nonindexed_address_p): Change logical negation
9117 from '! xxx' to '!xxx' for coding-style conformance.
9118 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
9119 (EXTRA_CONSTRAINT): Likewise.
9120 * config/vax/vax.md (four unnamed insns): Likewise.
9122 2006-03-15 Paul Brook <paul@codesourcery.com>
9124 * config/arm/arm.c (minipool_pad): New.
9125 (add_minipool_forward_ref): Include pool alignment padding in address
9127 (push_minipool_fix): Set minipool_pad.
9128 (minipool_pad): Ditto.
9130 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9132 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
9133 instead of GET_CODE() == MEM and REG_P() instead of
9135 (print_operand_address): Likewise.
9136 (vax_address_cost): Likewise.
9137 (vax_rtx_costs): Likewise.
9138 (vax_notice_update_cc): Likewise.
9139 (vax_output_int_add): Likewise.
9140 (INDEX_REGISTER_P): Likewise.
9141 (BASE_REGISTER_P): Likewise.
9142 (nonindexed_address_p): Likewise.
9143 (vax_mode_dependent_address_p): Likewise.
9144 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
9145 (PRINT_OPERAND): Likewise.
9146 * config/vax/vax.md (ashlsi3): Likewise.
9147 (ashlsi3): Likewise.
9148 (some more unnamed insns): Likewise.
9150 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
9152 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
9153 iterator-style macro.
9154 (mark_control_dependent_edges_necessary): Update the use of
9155 EXECUTE_IF_CONTROL_DEPENDENT.
9157 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
9159 * config/sh/predicates.md (cache_address_operand): Special.
9160 (ua_address_operand): Likewise.
9162 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9164 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
9166 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
9168 2006-03-15 Andreas Schwab <schwab@suse.de>
9170 * gensupport.c (identify_predicable_attribute): Don't free p_false
9171 when it is still in use.
9173 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
9175 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
9176 the default setting here.
9178 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
9180 * tree-pass.h (pass_cfg): Remove.
9181 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
9182 * passes.c (pass_cfg): Don't run it.
9184 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
9186 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
9187 * reg-stack.c (stack_regs_mentioned_data): Change the type to
9189 (stack_regs_mentioned): Update the uses of
9190 stack_regs_mentioned_data. Don't access the array beyond its
9192 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
9193 Don't include gt-reg-stack.h.
9195 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
9196 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
9198 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
9201 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
9204 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9206 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
9208 2006-03-14 Richard Guenther <rguenther@suse.de>
9210 PR tree-optimization/26672
9211 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
9214 2006-03-14 Richard Guenther <rguenther@suse.de>
9216 PR tree-optimization/26667
9217 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
9218 node for the callees. Always allow inlining if it will shrink
9221 2006-03-14 Richard Guenther <rguenther@suse.de>
9224 * builtins.c (get_pointer_alignment): Prefer alignment
9225 information from decls over that from types.
9227 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
9230 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
9232 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
9234 * config/rs6000/rs6000.opt (mdlmzb): New option.
9235 (msched-prolog, msched-epilog): Use Var not Mask.
9236 * doc/invoke.texi (-mdlmzb): Document.
9237 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9239 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
9240 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
9242 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
9244 PR rtl-optimization/25739
9245 * bt-load.c (augment_live_range): Free tos pointer.
9247 * gensupport.c (identify_predicable_attribute): Free
9249 * gcov.c (create_file_names): Free name pointer.
9251 2006-03-13 Roger Sayle <roger@eyesopen.com>
9254 * stmt.c (emit_case_nodes): Handle the case where the index is a
9255 CONST_INT, where the comparison mode is specified by the index type.
9257 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9259 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
9262 2006-03-13 Richard Sandiford <richard@codesourcery.com>
9264 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
9265 (*branch_fp_inverted): Likewise.
9267 2006-03-13 Jakub Jelinek <jakub@redhat.com>
9270 * omp-low.c (expand_omp_for_generic): Mark istart0
9271 and iend0 as addressable.
9273 2006-03-13 Jie Zhang <jie.zhang@analog.com>
9275 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
9277 2006-03-13 Jeff Law <law@redhat.com>
9279 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
9280 virtual operands are interesting.
9281 (vrp_visit_stmt): Corresponding changes.
9283 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
9285 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
9287 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
9288 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
9289 * config/bfin/crti.S: Use it instead of __PIC__.
9290 * config/bfin/crtn.S: Likewise.
9292 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
9293 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
9295 Lose 'G' modifier for call operand.
9296 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
9297 recognize 'G' modifier.
9299 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
9302 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
9303 * stmt.c (expand_case): Likewise.
9305 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9307 PR rtl-optimization/26254
9308 * loop-invariant.c (seq_insns_valid_p): New function.
9309 (move_invariant_reg): Only emit new code if it is valid.
9311 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9313 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
9315 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
9316 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
9317 (commit_one_edge_insertion): Do not look for loop notes.
9319 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9321 * jump.c (follow_jumps): Do not check for loop notes. Move check for
9322 flag_test_coverage out of loop.
9324 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9326 * final.c (shorten_branches): Remove outdated comment, and turn
9327 the if branch that guards it to continue.
9329 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9331 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
9332 * cfgloop.h (struct loop): Remove unused fields.
9334 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
9336 * doc/invoke.texi (-fdump-rtl-loop): Remove.
9337 (-dL, -fdump-rtl-loop2): Update the dump file names
9339 * doc/invoke.texi: Update dump file names.
9341 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
9343 * predict.c (estimate_probability): Remove.
9344 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
9345 * basic-block.h (estimate_probability): Remove prototype.
9346 * passes.c (finish_optimization_passes): Dump branch prediction or
9347 profiling heuristics to the .profile tree dump.
9348 (init_optimization_passes): Unqueue pass_branch_prob.
9350 * doc/invoke.texi (-fdump-rtl-bp): Remove.
9352 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9354 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
9355 * rtl.h (LABEL_NEXTREF): Remove field accessor.
9357 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
9359 * function.h (frame_offset_overflow): Declare.
9360 * function.c (frame_offset_overflow): New function.
9361 (assign_stack_local_1): Call it to detect that the offset overflows.
9362 * cfgexpand.c (alloc_stack_frame_space): Likewise.
9364 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9366 * config/sh/sh.c: Include alloc-pool.h.
9367 (label_ref_list_pool): New alloc pool.
9368 (label_ref_list_t): New type for lists of labels.
9369 (struct pool_node): Make wend a label_ref_list_t.
9370 (add_constant): Use the new type, eradicate LABEL_NEXTREF
9372 (dump_table): Likewise.
9373 (sh_reorg): Set up the alloc pool before using add_constant and
9374 dump_table, and destroy it when finishing.
9376 2006-03-11 Richard Sandiford <richard@codesourcery.com>
9378 * config/mips/mips.c: Remove redundant comment.
9380 2006-03-10 Jason Merrill <jason@redhat.com>
9383 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
9384 the target was declared 'register'.
9386 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
9388 * genpreds.c (write_insn_constraint_len): Change definition of
9389 insn_constraint_len to return size_t to match the declaration.
9391 2006-03-10 DJ Delorie <dj@redhat.com>
9393 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
9395 (m32c_expand_insv): Fix test for an AND mask.
9397 2006-03-10 Richard Guenther <rguenther@suse.de>
9400 * builtins.c (get_pointer_alignment): Handle component
9401 references for field alignment.
9403 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9405 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
9406 when building with libgloss.
9407 (sh*elf): Implement --without-fp option.
9408 (sh64-superh-linux*): Don't multilib.
9410 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9412 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
9414 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
9416 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
9417 Set it when one of the replacement functions returned true.
9418 Return TODO_cleanup_cfg if cfgchanged is true.
9419 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
9421 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
9423 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
9424 instead of gen_lowpart.
9426 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9428 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
9430 (mips_output_order_conditional_branch): Declare.
9431 * config/mips/mips.h (MIPS_BRANCH): New macro.
9432 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
9433 for the comparison. Use gen_condjump.
9434 (mips_output_conditional_branch): Rework interface to take the
9435 asm templates for a direct branch and the inverse of a direct branch.
9436 (mips_output_order_conditional_branch): New function.
9437 (mips_builtin_branch_and_move): New function.
9438 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
9439 branch condition. Use gen_single_cc as the condition for
9440 __builtin_mips_upper_* or __builtin_mips_lower_*.
9441 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
9442 Use VOIDmode for the branch condition.
9443 * config/mips/predicates.md (order_operator): New predicate.
9444 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
9445 (branch_fp): Rename to...
9446 (*branch_fp): ...this. Remove mode from comparison operator.
9447 Use new mips_output_conditional_branch interface.
9448 (branch_fp_inverted): Rename to...
9449 (*branch_fp_inverted): ...this and update as for *branch_fp.
9450 (*branch_zero<mode>): Rename to...
9451 (*branch_order<mode>): ...this. Remove mode from comparison operator.
9452 Use mips_output_order_conditional_branch. Only accept ordered
9454 (*branch_zero<mode>_inverted): Rename to...
9455 (*branch_order<mode>_inverted): ...this and update as for
9456 *branch_order<mode>.
9457 (*branch_equality<mode>): Accept zero as the second operand to
9458 the equality operator. Use the new mips_output_conditional_branch
9460 (*branch_equality<mode>_inverted): Likewise.
9461 (condjump): New expander.
9462 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
9464 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
9465 (bc1any2t, bc1any2f): Likewise.
9466 (single_cc): New expander.
9467 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
9469 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9471 * doc/md.texi: Update documentation of MIPS constraints.
9472 * config/mips/constraints.md: New file.
9473 * config/mips/mips.md: Include it.
9474 * config/mips/mips.c (mips_char_to_class): Delete.
9475 (override_options): Don't initialize mips_char_to_class.
9476 * config/mips/mips.h (mips_char_to_class): Delete.
9477 (REG_CLASS_FROM_LETTER): Delete.
9478 (CONST_OK_FOR_LETTER_P): Delete.
9479 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9480 (EXTRA_CONSTRAINT_Y): Delete.
9481 (EXTRA_CONSTRAINT_STR): Delete.
9482 (CONSTRAINT_LEN): Delete.
9483 (EXTRA_MEMORY_CONSTRAINT): Delete.
9485 2006-03-09 Diego Novillo <dnovillo@redhat.com>
9487 * tree-cfg.c (move_block_to_fn): Remove the statements from the
9488 original fn's eh regions.
9490 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
9492 * fold-const.c (build_range_check): Make sure to use a valid type to
9493 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
9496 (range_predecessor): New static function.
9497 (range_successor): Likewise.
9498 (merge_ranges): Use them to compute predecessors and successors of
9501 2006-03-09 Roger Sayle <roger@eyesopen.com>
9504 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
9505 X op C3, consider whether C3 overflows towards +Inf or -Inf.
9507 2006-03-08 DJ Delorie <dj@redhat.com>
9509 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
9510 (addpsi3): Expand to include memory operands. Remove
9511 reload-specific splits.
9512 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
9513 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
9514 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
9515 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
9516 (shift1_qi, shift1_hi, insv): New.
9517 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
9518 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
9519 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
9521 * config/m32c/m32c-protos.h: Update as needed.
9522 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
9523 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
9524 Fail for unrecognized R* constraints.
9525 (m32c_cannot_change_mode_class): Be more picky about pseudos.
9526 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
9527 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
9529 (m32c_init_libfuncs): New.
9530 (m32c_legitimate_address_p): Add debug wrapper.
9531 (m32c_rtx_costs): New.
9532 (m32c_address_cost): New.
9533 (conversions): Add 'B' prefix.
9534 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
9535 operands, or word regnames for QI operands. 'B' prints bit
9537 (m32c_expand_setmemhi): New.
9538 (m32c_expand_movmemhi): New.
9539 (m32c_expand_movstr): New.
9540 (m32c_expand_cmpstr): New.
9541 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
9542 (m32c_expand_neg_mulpsi3): Handle non-ints.
9543 (m32c_cmp_flg_0): New.
9544 (m32c_expand_movcc): New.
9545 (m32c_expand_insv): New.
9546 (m32c_scc_pattern): New.
9547 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
9548 a0/a1 out of SIregs.
9549 (STORE_FLAG_VALUE): New.
9550 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
9553 * config/m32c/mov.md: Make constraints more liberal.
9554 (zero_extendqihi2): Optimize r0/r1 case.
9555 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
9556 * config/m32c/predicates.md (m32c_any_operand): New.
9557 (m32c_nonimmediate_operand): New.
9558 (m32c_hl_operand): New.
9559 (m32c_r3_operand): New.
9562 (memsym_operand): New.
9563 (memimmed_operand): New.
9564 (a_qi_operand): New.
9565 (m32c_eqne_operator): New.
9566 (m32c_1bit8_operand): New.
9567 (m32c_1bit16_operand): New.
9568 (m32c_1mask8_operand): New.
9569 (m32c_1mask16_operand): New.
9570 * config/m32c/blkmov.md: New file.
9571 * config/m32c/t-m32c (MD_FILES): Add blkmov.
9573 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
9575 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
9576 unsigned to fix signed/unsigned comparison issue in
9577 DWARF2_FRAME_REG_OUT.
9578 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
9579 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
9581 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
9582 of ptr into the ENABLE_CHECKING section.
9584 2006-03-08 Jeff Law <law@redhat.com>
9586 * tree-vrp.c (infer_value_range): Only count pointer uses
9587 and dereferences if -fdelete-null-pointer-checks is enabled.
9589 * tree-vrp.c (find_assert_locations): Infer value ranges for
9590 single use pointers, but do not create ASSERT_EXPRs for them.
9591 When a non-null range is inferred for a pointer, backwards
9592 propagate that range to other equivalent pointers through the
9595 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
9598 * Makefile.in (dvi, html, install-info): Invoke the corresponding
9599 language hook targets.
9600 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
9601 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
9602 if language hook targets were missing.
9604 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
9606 * tree-ssa-opfinalize.h: Removed.
9607 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
9609 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
9610 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
9611 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
9612 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
9613 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
9614 finalize_ssa_v_must_def_ops): New.
9616 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
9618 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
9621 2006-03-07 Geoffrey Keating <geoffk@apple.com>
9623 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
9625 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
9626 addresses with offsets; reorganize.
9628 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
9629 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
9630 (expand_builtin_init_dwarf_reg_sizes): Likewise.
9632 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
9635 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
9637 2006-03-08 Ben Elliston <bje@au.ibm.com>
9639 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
9641 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
9644 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
9647 2006-03-07 Richard Guenther <rguenther@suse.de>
9649 PR tree-optimization/26587
9650 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
9652 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9654 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
9656 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9658 * hooks.c (hook_bool_mode_rtx_true): New function.
9659 * hooks.h (hook_bool_mode_rtx_true): Declare.
9660 * toplev.c (compile_file): Call output_shared_constant_pool.
9661 * varasm.c (shared_constant_pool): New variable.
9662 (assemble_start_function, assemble_end_function): Remove arguments
9663 from call to output_constant_pool.
9664 (create_constant_pool): New function, split out from...
9665 (init_varasm_status): ...here.
9666 (force_const_mem): Choose between the shared and per-function constant
9667 pools. Set current_function_uses_const_pool when reusing old entries
9668 as well as when creating new ones.
9669 (mark_constant): Ignore data argument.
9670 (mark_constants): Remove pool argument.
9671 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
9672 to decide whether the function uses a constant pool.
9673 (output_constant_pool_contents): New function, split out from...
9674 (output_constant_pool): ...here.
9675 (output_shared_constant_pool): New function.
9676 (init_varasm_once): Initialize shared_constant_pool.
9677 * output.h (output_constant_pool): Delete.
9678 (output_shared_constant_pool): Declare.
9679 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
9680 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
9682 2006-03-06 Nick Clifton <nickc@redhat.com>
9684 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
9685 flag_strength_reduce.
9687 2006-03-06 Ben Elliston <bje@au.ibm.com>
9689 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
9690 x86_64-*-linux* configurations.
9692 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
9693 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
9695 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9697 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
9699 * basic-block.h: Remove the extern for
9700 rediscover_loops_after_threading.
9702 * cfgloop.c (cancel_loop): Make it static.
9703 * cfgloop.h: Remove the prototype for cancel_loop.
9705 * flow.c (recompute_reg_usage): Make it static.
9706 * rtl.h: Remove the prototype for recompute_reg_usage.
9708 * function.c (use_return_register): Make it static.
9709 * function.h: Remove the prototype.
9711 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9713 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
9715 * recog.h: Remove the prototype for
9716 validate_change_maybe_volatile.
9718 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9720 * rtlanal.c (replace_reg): Remove.
9721 * rtl.h: Remove the prototype for replace_reg.
9723 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9725 * regclass.c (reg_scan_update): Remove.
9726 (reg_scan_mark_refs): Remove the last argument.
9727 * rtl.h: Remove the prototype for reg_scan_update.
9729 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9731 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
9732 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
9733 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
9734 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
9735 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
9736 loop-invariant.c, omp-low.c, opts.c, passes.c,
9737 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
9738 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
9739 tree-ssa-structalias.c, tree-ssa-threadedge.c,
9740 tree-ssa-threadupdate.c, tree-vect-patterns.c,
9741 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
9742 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
9744 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9746 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
9747 * dwarf2out.h: Remove the prototype for
9748 dwarf2out_add_library_unit_info.
9750 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9752 * tree.c (add_var_to_bind_expr): Remove.
9753 * tree.h: Remove the prototype for add_var_to_bind_expr.
9755 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9757 * regclass.c (n_non_fixed_regs): Remove.
9758 (init_reg_sets_1, globalize_reg): Remove all uses of
9760 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
9762 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9764 * rtlanal.c (insns_safe_to_move_p): Remove.
9765 * rtl.h: Remove the prototype for insns_safe_to_move_p.
9767 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9769 * expmed.c (expand_mult_add): Remove.
9770 * expr.h: Remove the prototype for expand_mult_add.
9772 2006-03-04 Jakub Jelinek <jakub@redhat.com>
9774 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
9775 and REG_SAVED_VAL_EXP constants.
9776 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
9777 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
9778 Handle regs stored by value.
9779 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
9780 (execute_cfa_program): Handle DW_CFA_val_offset,
9781 DW_CFA_val_offset_sf and DW_CFA_val_expression.
9782 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
9783 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
9784 (uw_install_context_1): Handle target regs stored by value.
9786 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
9788 * tree-sra.c (tree_sra): Return todoflags;
9789 (generate_one_element): Set TODO_update_smt_usage if needed.
9790 (pass_sra): Remove TODO_update_smt_usage.
9791 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
9793 (tree_ssa_forward_propagate_single_use_vars): Return
9794 TODO_update_smt_usage if we need to update SMT usage.
9795 (pass_forwprop): Remove TODO_update_smt_usage.
9797 2006-03-03 Diego Novillo <dnovillo@redhat.com>
9799 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
9800 (correct_use_link): Remove reference to get_stmt_operands.
9801 (update_stmt_operands): Likewise.
9802 (get_modify_expr_operands): New function factored out of
9803 parse_ssa_operands and get_expr_operands.
9804 Try to create V_MUST_DEFs for LHS by default.
9805 (get_expr_operands) <case MODIFY_EXPR>: Call
9806 get_modify_expr_operands.
9807 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
9808 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
9809 (parse_ssa_operands) <case MODIFY_EXPR>: Call
9810 get_modify_expr_operands.
9812 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
9814 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
9815 * tree-flow.h: Remove the prototype for
9816 referenced_var_lookup_if_exists.
9818 2006-03-03 Steve Ellcey <sje@cup.hp.com>
9820 PR rtl-optimization/26345
9822 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
9824 2006-03-03 Roger Sayle <roger@eyesopen.com>
9826 PR tree-optimization/26524
9827 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
9828 fold_convert to create a constant of the appropriate type.
9830 2006-03-03 Richard Sandiford <richard@codesourcery.com>
9832 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9833 SYMBOL_REF_IN_BLOCK_P.
9834 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
9835 of SYMBOL_FLAG_IN_BLOCK.
9836 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
9837 instead of SYMBOL_REF_IN_BLOCK_P.
9838 * explow.c (use_anchored_address): Likewise.
9839 * rtl.c (rtx_size): Likewise.
9840 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
9841 instead of SYMBOL_FLAG_IN_BLOCK.
9842 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9843 SYMBOL_REF_IN_BLOCK_P.
9844 (assemble_variable): Likewise.
9845 (output_constant_def_contents): Likewise.
9846 (output_constant_pool): Likewise.
9847 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
9848 instead of SYMBOL_FLAG_IN_BLOCK.
9849 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9850 SYMBOL_REF_IN_BLOCK_P.
9851 (SYMBOL_REF_BLOCK): Likewise.
9852 (SYMBOL_REF_OFFSET): Likewise.
9853 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9854 SYMBOL_REF_IN_BLOCK_P.
9855 (SYMBOL_FLAG_IN_BLOCK): Replace with...
9856 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
9857 (SYMBOL_REF_IN_BLOCK_P): Replace with...
9858 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
9860 2006-03-03 Jakub Jelinek <jakub@redhat.com>
9862 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
9864 2006-03-02 Roger Sayle <roger@eyesopen.com>
9866 * simplify-rtx.c (simplify_unary_operation): When simplifying
9867 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
9868 that we perform the right shift in the appropriate mode, and
9869 then extend or truncate the result to requested mode.
9871 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
9873 * gengtype.c (main): Handle double_int type.
9874 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
9875 * double-int.c: New file.
9876 * double-int.h: New file.
9877 * system.h: Include doubleint.h.
9878 * Makefile.in (SYSTEM_H): Include double-int.h.
9879 (double-int.o): Add.
9881 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
9884 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
9887 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9889 * tree-vrp.c (remove_range_assertions): Do not update statements
9892 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9894 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
9896 * gcse.c (rest_of_handle_gcse): Ditto.
9897 * except.c (gate_handle_eh): Ditto.
9898 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
9899 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
9901 2006-03-02 Eric Christopher <echristo@apple.com>
9903 * config/i386/i386.c (machopic_output_stub): Add indirection to
9906 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9910 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
9912 Sun Niagara specific optimizations.
9913 * config.gcc: Recognize niagara as target.
9914 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
9915 (TARGET_CPU_niagara): Define.
9916 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
9917 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
9918 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9919 (ASM_CPU_SPEC): Likewise.
9920 (PROCESSOR_NIAGARA): New enum entry.
9921 (REGISTER_MOVE_COST): Handle Niagara.
9922 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
9923 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
9924 (sparc_override_options): Recognize "niagara", set appropriate
9925 default MASK_* values for it, and align functions to 32-bytes
9926 by default just like ULTRASPARC/ULTRASPARC3.
9927 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
9928 (sparc64_initialize_trampoline): Likewise.
9929 (sparc_use_sched_lookahead): Use zero for niagara.
9930 (sparc_issue_rate): Use one for niagara.
9931 * config/sparc/niagara.md: New file.
9932 * config/sparc/sparc.md: Include it.
9933 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
9934 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
9935 when default cpu is niagara.
9936 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9937 (ASM_CPU_SPEC): Likewise.
9938 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
9939 when default cpu is niagara.
9940 (ASM_CPU_SPEC): Handle -mcpu=niagara.
9941 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
9942 just like v9/ultrasparc/ultrasparc3.
9943 * doc/invoke.texi: Add documentation for "niagara" and improve
9944 existing documentation for ultrasparc variants.
9946 2006-03-02 Diego Novillo <dnovillo@redhat.com>
9948 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
9950 2006-03-02 Richard Sandiford <richard@codesourcery.com>
9952 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
9953 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
9954 and say that only one is needed.
9955 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
9956 * target.h (have_switchable_bss_sections): New hook.
9957 * explow.c (use_anchored_address): Check that the symbol is in a block.
9958 * varasm.c (tls_comm_section, comm_section, lcomm_section)
9959 (bss_noswitch_section): New variables.
9960 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
9961 (get_noswitch_section): New function.
9962 (get_block_for_section): Allow SECT to be null.
9963 (unlikely_text_section_p): Use SECTION_STYLE.
9964 (bss_initializer_p): New function.
9965 (get_variable_section): Move earlier in file. Take a new argument,
9966 prefer_noswitch_p. Move bss checks from assemble_variable to here.
9967 Return one of the new *_sections in such cases.
9968 (get_block_for_decl): New function, extracting some logic from
9969 use_blocks_for_decl_p.
9970 (change_symbol_section): Remove in favor of...
9971 (change_symbol_block): ...this new function.
9972 (use_blocks_for_decl_p): Remove checks now performed by
9974 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
9975 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
9976 (emit_local, emit_bss, emit_common): ...these new functions.
9977 Return true if the alignment was honored.
9978 (emit_tls_common): New function.
9979 (asm_emit_uninitialised): Delete.
9980 (assemble_variable_noswitch): New function, split out from...
9981 (assemble_variable): ...here. Don't make decisions about common
9982 variables here. Globalize all public decls that go into non-common
9983 sections. Check whether SYMBOL_REF_BLOCK is null.
9984 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
9985 (output_constant_pool): Likewise.
9986 (init_varasm_once): Initialize the new section variables.
9987 (have_global_bss_p): New function.
9988 (categorize_decl_for_section): Use bss_initializer_p.
9989 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
9990 (place_block_symbol): Assert that the symbol must be in a block.
9991 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
9992 (TARGET_INITIALIZER): Include it.
9993 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
9994 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
9995 (SECTION_MACH_DEP): Bump by two.
9996 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
9997 (unnamed_section): Mention SECTION_UNNAMED in comment.
9998 (named_section): Likewise SECTION_NAMED.
9999 (noswitch_section_callback): New type.
10000 (noswitch_section): New structure.
10001 (section): Add a noswitch_section alternative.
10002 (SECTION_STYLE): New macro.
10003 (tls_comm_section, comm_section, lcomm_section): Declare.
10004 (bss_noswitch_section, have_global_bss_p): Declare.
10005 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10006 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10008 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10009 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10012 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10014 * tree-vrp.c (execute_vrp): Return value.
10015 * regrename.c (rest_of_handle_regrename): Ditto.
10016 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10017 * tree-complex.c (tree_lower_complex): Ditto.
10018 (tree_lower_complex_O0): Ditto.
10019 * tracer.c (rest_of_handle_tracer): Ditto.
10020 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10021 * postreload.c (rest_of_handle_postreload): Ditto.
10022 * tree-tailcall.c (execute_tail_recursion): Ditto.
10023 (execute_tail_calls): Ditto.
10024 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10025 * tree.h (init_function_for_compilation): Ditto.
10026 * ipa-cp.c (ipcp_driver): Ditto.
10027 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10028 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10029 * final.c (compute_alignments): Ditto.
10030 (rest_of_handle_final): Ditto.
10031 (rest_of_handle_shorten_branches): Ditto.
10032 (rest_of_clean_state): Ditto.
10033 * omp-low.c (execute_expand_omp): Ditto.
10034 (execute_lower_omp): Ditto.
10035 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10036 * ipa-reference.c (static_execute): Ditto.
10037 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10038 * reorg.c (rest_of_handle_delay_slots): Ditto.
10039 (rest_of_handle_machine_reorg): Ditto.
10040 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10041 * flow.c (recompute_reg_usage): Ditto.
10042 (rest_of_handle_remove_death_notes): Ditto.
10043 (rest_of_handle_life): Ditto.
10044 (rest_of_handle_flow2): Ditto.
10045 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10046 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10047 (do_ssa_store_ccp): Ditto.
10048 (execute_fold_all_builtins): Ditto.
10049 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10050 * modulo-sched.c (rest_of_handle_sms): Ditto.
10051 * ipa-pure-const.c (static_execute): Ditto.
10052 * cse.c (rest_of_handle_cse): Ditto.
10053 (rest_of_handle_cse2): Ditto.
10054 * web.c (rest_of_handle_web): Ditto.
10055 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10056 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
10057 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
10058 * tree-nrv.c (tree_nrv): Ditto.
10059 (execute_return_slot_opt): Ditto.
10060 * tree-ssa-alias.c (compute_may_aliases): Ditto.
10061 (create_structure_vars): Ditto.
10062 * loop-init.c (rtl_loop_init): Ditto.
10063 (rtl_loop_done): Ditto.
10064 (rtl_move_loop_invariants): Ditto.
10065 (rtl_unswitch): Ditto.
10066 (rtl_unroll_and_peel_loops): Ditto.
10067 (rtl_doloop): Ditto.
10068 * gimple-low.c (lower_function_body): Ditto.
10069 (mark_used_blocks): Ditto.
10070 * tree-ssa-sink.c (execute_sink_code): Ditto.
10071 * ipa-inline.c (cgraph_decide_inlining): Ditto.
10072 (cgraph_early_inlining): Ditto.
10073 * global.c (rest_of_handle_global_alloc): Ditto.
10074 * jump.c (cleanup_barriers): Ditto.
10075 (purge_line_number_notes): Ditto.
10076 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
10077 (rest_of_handle_if_after_reload): Ditto.
10078 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
10079 (tree_ssa_loop_im): Ditto.
10080 (tree_ssa_loop_unswitch): Ditto.
10081 (tree_vectorize): Ditto.
10082 (tree_linear_transform): Ditto.
10083 (tree_ssa_loop_ivcanon): Ditto.
10084 (tree_ssa_empty_loop): Ditto.
10085 (tree_ssa_loop_bounds): Ditto.
10086 (tree_complete_unroll): Ditto.
10087 (tree_ssa_loop_prefetch): Ditto.
10088 (tree_ssa_loop_ivopts): Ditto.
10089 (tree_ssa_loop_done): Ditto.
10090 * predict.c (tree_estimate_probability): Ditto.
10091 * recog.c (split_all_insns_noflow): Ditto.
10092 (rest_of_handle_peephole2): Ditto.
10093 (rest_of_handle_split_all_insns): Ditto.
10094 * tree-eh.c (lower_eh_constructs): Ditto.
10095 * regmove.c (rest_of_handle_regmove): Ditto.
10096 (rest_of_handle_stack_adjustments): Ditto.
10097 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
10098 * function.c (instantiate_virtual_regs): Ditto.
10099 (init_function_for_compilation): Ditto.
10100 (rest_of_handle_check_leaf_regs): Ditto.
10101 * gcse.c (rest_of_handle_jump_bypass): Ditto.
10102 (rest_of_handle_gcse): Ditto.
10103 * ipa-type-escape.c (type_escape_execute): Ditto.
10104 * alias.c (rest_of_handle_cfg): Ditto.
10105 * tree-if-conv.c (main_tree_if_conversion): Ditto.
10106 * profile.c (rest_of_handle_branch_prob): Ditto.
10107 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
10108 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
10109 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
10110 * tree-dfa.c (find_referenced_vars): Ditto.
10111 * except.c (set_nothrow_function_flags): Ditto.
10112 (convert_to_eh_region_ranges): Ditto.
10113 (rest_of_handle_eh): Ditto.
10114 * emit-rtl.c (unshare_all_rtl): Ditto.
10115 (remove_unnecessary_notes): Ditto.
10116 * except.h (set_nothrow_function_flags): Ditto.
10117 (convert_to_eh_region_ranges): Ditto.
10118 * cfgexpand.c (tree_expand_cfg): Ditto.
10119 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
10120 * tree-ssa-pre.c (do_pre): Ditto.
10121 (execute_fre): Ditto.
10122 * cfgcleanup.c (rest_of_handle_jump): Ditto.
10123 (rest_of_handle_jump2): Ditto.
10124 * tree-sra.c (tree_sra): Ditto.
10125 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
10126 (execute_mudflap_function_decls): Ditto.
10127 * tree-ssa-copy.c (do_copy_prop): Ditto.
10128 (do_store_copy_prop): Ditto.
10129 * ipa-prop.h (ipcp_driver): Ditto.
10130 * cfglayout.c (insn_locators_initialize): Ditto.
10131 * tree-ssa-forwprop.c
10132 (tree_ssa_forward_propagate_single_use_vars): Ditto.
10133 * cfglayout.h (insn_locators_initialize): Ditto.
10134 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
10135 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
10136 (execute_late_warn_uninitialized): Ditto.
10137 * rtl.h (cleanup_barriers): Ditto.
10138 (split_all_insns_noflow): Ditto.
10139 (purge_line_number_notes): Ditto.
10140 (unshare_all_rtl): Ditto.
10141 (remove_unnecessary_notes): Ditto.
10142 (recompute_reg_usage): Ditto.
10143 (variable_tracking_main): Ditto.
10144 * integrate.c (emit_initial_value_sets): Ditto.
10145 * integrate.h (emit_initial_value_sets): Ditto.
10146 * tree-optimize.c (execute_free_datastructures): Ditto
10147 (execute_free_cfg_annotations): Ditto.
10148 (execute_fixup_cfg): Ditto.
10149 (execute_cleanup_cfg_pre_ipa): Ditto.
10150 (execute_cleanup_cfg_post_optimizing): Ditto.
10151 (execute_init_datastructures): Ditto.
10152 * tree-object-size.c (compute_object_sizes): Ditto.
10153 * combine.c (rest_of_handle_combine): Ditto.
10154 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
10155 * bb-reorder.c (duplicate_computed_gotos): Ditto.
10156 (rest_of_handle_reorder_blocks): Ditto.
10157 (rest_of_handle_partition_blocks): Ditto.
10158 * var-tracking.c (variable_tracking_main): Ditto.
10159 * tree-profile.c (tree_profiling): Ditto.
10160 * tree-vect-generic.c (expand_vector_operations): Ditto.
10161 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
10162 * sched-rgn.c (rest_of_handle_sched): Ditto.
10163 (rest_of_handle_sched2): Ditto.
10164 * basic-block.h (free_bb_insn): Ditto.
10165 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
10166 * tree-cfg.c (execute_build_cfg): Ditto.
10167 (remove_useless_stmts): Ditto.
10168 (split_critical_edges): Ditto.
10169 (execute_warn_function_return): Ditto.
10170 (execute_warn_function_noreturn): Ditto.
10171 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
10172 * cfgrtl.c (free_bb_for_insn): Ditto.
10173 * passes.c (execute_one_pass): Run additional
10174 todos returned by execute function.
10175 * tree-pass.h (struct tree_opt_pass): Make execute
10178 2006-03-02 Richard Guenther <rguenther@suse.de>
10180 * tree-ssa-alias.c (find_used_portions): Consider taking
10181 the address as making the variable not write-only.
10183 2006-03-02 Nick Clifton <nickc@redhat.com>
10185 * config.gcc (default_use_cxa_atexit): Extend the description of
10186 this configure variable. Set its default value to "yes" for
10187 Linux, NetBSD and ELF targets on the assumption that they will
10188 use C libraries with the __cxa_atexit function.
10190 2006-03-02 Ben Elliston <bje@au.ibm.com>
10192 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
10193 parameter as unused to suppress a build warning.
10195 2006-03-02 Ben Elliston <bje@au.ibm.com>
10197 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
10200 2006-03-01 Roger Sayle <roger@eyesopen.com>
10203 * gthr-posix.h (__gthrw2): Define to take three parameters, the
10204 declared name, the weak reference name, and the typeof name.
10205 (__gthrw): Avoid expanding the declared name suffix.
10206 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
10208 2006-03-01 Jakub Jelinek <jakub@redhat.com>
10210 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
10212 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
10213 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
10214 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
10215 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
10216 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
10217 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
10218 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
10219 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
10220 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
10221 DW_DS_leading_separate, DW_DS_trailing_separate): New.
10222 (DW_END_default, DW_END_big, DW_END_little): New.
10223 (DW_END_lo_user, DW_END_hi_user): Define.
10224 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
10225 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
10226 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
10229 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10231 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
10233 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
10235 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
10237 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
10239 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
10240 to 'symbol_mem_tag'.
10242 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
10245 2006-03-01 Roger Sayle <roger@eyesopen.com>
10247 * builtins.c (fold_builtin_copysign): Delete unreachable code.
10249 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10252 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
10253 MACHO_DYNAMIC_NO_PIC_P.
10254 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
10256 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10259 * config/darwin-protos.h (darwin_asm_output_anchor):
10261 * config/darwin-sections.def (cstring_section):
10262 Add SECTION_MERGE to the flags.
10263 (literal4_section): Likewise.
10264 (literal8_section): Likewise.
10265 (objc_selector_refs_section): Likewise.
10266 (objc_cls_refs_section): Likewise.
10267 * config/darwin.c (darwin_asm_output_anchor): New
10269 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10271 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
10273 Fix PR tree-optimization/26443
10274 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
10275 to todo and PROP_tmt_usage to properties_destroyed.
10276 * tree-ssa-ccp.c (pass_ccp): Ditto.
10277 (pass_store_ccp): Ditto.
10278 * tree-ssa-dom.c (pass_dominator): Ditto.
10280 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10282 * tree-ssa-operands.c: Cleanup whitespace.
10283 (get_asm_expr_operands): Move before first invocation.
10284 (get_indirect_ref_operands): Likewise.
10285 (get_tmr_operands): Likewise.
10286 (get_call_expr_operands): Likewise.
10287 (append_def): Likewise.
10288 (append_use): Likewise.
10289 (append_v_may_def): Likewise.
10290 (append_v_must_def): Likewise.
10291 (add_call_clobber_ops): Likewise.
10292 (add_call_read_ops): Likewise.
10293 (add_stmt_operand): Likewise.
10294 (add_virtual_operand): Likewise.
10295 (build_ssa_operands): Likewise.
10297 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10299 PR middle-end/26022
10301 PR middle-end/24437
10302 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10303 with a call expr to ...
10304 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10306 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10308 * tree-vrp.c (extract_range_from_assert): Remove special
10309 handling for types with super-types.
10311 2006-03-01 Ben Elliston <bje@au.ibm.com>
10313 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
10314 and powerpc64-*-linux* configurations.
10315 * config/t-dfprules: New file.
10317 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
10318 Compile dfp-bit.c from the source directory using -DWIDTH and
10319 $DFP_CFLAGS to control the compilation of that file, rather than
10320 generating width-specific versions in the build directory.
10321 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
10322 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
10324 2006-02-28 Zack Weinberg <zackw@panix.com>
10326 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
10329 2006-02-28 Eric Christopher <echristo@apple.com>
10331 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
10332 Set up IN_LIBGCC definition of TARGET_64BIT.
10333 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
10335 2006-02-28 Roger Sayle <roger@eyesopen.com>
10337 PR middle-end/14752
10338 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
10339 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
10340 cases via the construction of "expr != 0".
10342 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
10344 * alias.c (alias_invariant, alias_invariant_size): Remove.
10345 (record_base_value): Remove.
10346 (memrefs_conflict_p): Don't look at alias_invariant.
10347 (end_alias_analysis): Don't free it.
10348 * alias.h (record_base_value): Remove prototype.
10350 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
10351 Adam Nemet <anemet@caviumnetworks.com>
10353 * rtl.h (truncated_to_mode): Declare it.
10354 (struct rtl_hooks): Add reg_truncated_to_mode hook.
10355 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
10356 (RTL_HOOKS_INITIALIZER): Include it.
10357 * rtlhooks.c (reg_truncated_to_mode_general): New function.
10358 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
10359 reg_truncated_to_mode.
10360 * rtlanal.c (truncated_to_mode): Define it.
10361 * simplify-rtx.c (simplify_unary_operation_1): Use it.
10363 2006-02-28 Jeff Law <law@redhat.com>
10365 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
10366 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
10367 the range allowed by TYPE_PRECISION.
10369 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
10371 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
10373 PR tree-optimization/26419
10374 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
10377 2006-02-27 Zack Weinberg <zackw@panix.com>
10379 * doc/md.texi: Fix typo in previous change.
10381 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
10385 2006-02-27 Zack Weinberg <zackw@panix.com>
10387 * rtl.def (define_constraint, define_register_constraint)
10388 (define_memory_constraint, define_address_constraint): New MD forms.
10389 * gensupport.c (process_rtx): Put define_constraint etc on the
10391 * genpreds.c (process_define_predicate): Adjust comment. Validate
10392 the name, and call validate_exp to validate the expression.
10393 (mark_mode_tests, write_extract_subexp): Can assume correct input.
10394 (write_predicate_expr): Likewise. NAME argument no longer necessary;
10395 all callers changed.
10396 (validate_exp, needs_variable, struct constraint_data)
10397 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
10398 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
10399 (const_dbl_constraints, constraint_max_namelen)
10400 (have_register_constraints, have_memory_constraints)
10401 (have_address_constraints, have_address_constraints)
10402 (have_extra_constraints, have_const_int_constraints)
10403 (have_const_dbl_constraints, mangle, add_constraint)
10404 (process_define_constraint, process_define_register_constraint)
10405 (write_enum_constraint_num, write_lookup_constraint)
10406 (write_insn_constraint_len, write_regclass_for_constraint)
10407 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
10408 (write_insn_extra_memory_constraint)
10409 (write_insn_extra_address_constraint)
10410 (write_satisfies_constraint_fns): New.
10411 (write_tm_preds_h): If we have new-style constraint definitions,
10412 prototype the functions generated from them, and define the
10413 old constraint interface (still used by generic code) in terms of
10415 (write_insn_preds_c): If we have new-style constraint definitions,
10416 generate all relevant functions from those definitions.
10417 (main): Handle define_constraint etc.
10418 * genoutput.c (struct constraint_data, indep_constraints)
10419 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
10420 (mdep_constraint_len): New data structures and functions, defined
10421 #ifdef USE_MD_CONSTRAINTS.
10422 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
10423 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
10424 use new logic to validate operand constraints against constraint
10426 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
10428 * defaults.h: If none of the old-style constraint macros are
10429 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
10430 old-style macros; and poison REG_CLASS_FROM_LETTER,
10431 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
10433 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
10434 * doc/md.texi: Document new constraint-definition mechanism and the
10435 C interface it provides. Remove references to old mechanism
10436 elsewhere in the document.
10437 (Machine Constraints): Use pathnames relative to gcc directory,
10438 i.e. config/ARCH/FILE. Change i386 section to refer to
10439 config/i386/predicates.md; update that section to match docstrings.
10440 * doc/tm.texi: Move all documentation of the old constraint-
10441 definition macros to their own section, clearly mark as obsolete.
10443 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
10444 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
10446 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
10447 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
10448 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
10449 constraint strings.
10450 (splits and peepholes): Use satisfies_constraint_*.
10451 * config/i386/i386.c (memory_address_length)
10452 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
10454 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10456 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
10457 scalar operation to be put back into the loop.
10459 2006-02-27 Jakub Jelinek <jakub@redhat.com>
10462 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
10463 (extract_cie_info): Handle S flag in augmentation string.
10464 (execute_cfa_program): If context->signal_frame, execute also
10465 fs->pc == context->ra instructions.
10466 (uw_frame_state_for): If context->signal_frame, don't subtract one
10467 from context->ra to find FDE.
10468 (uw_update_context_1): Set context->signal_frame to
10470 (_Unwind_GetIPInfo): New function.
10471 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
10472 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
10474 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
10475 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
10476 * unwind-compat.c (_Unwind_GetIPInfo): New function.
10477 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
10478 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
10479 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
10480 * config/i386/linux-unwind.h (x86_fallback_frame_state,
10481 x86_64_fallback_frame_state): Set fs->signal_frame.
10482 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
10483 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
10484 (frob_update_context): Likewise. Workaround missing S flag in
10485 Linux 2.6.12 - 2.6.16 kernel vDSOs.
10486 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
10487 Remove the psw_addr + 1 hack.
10489 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10491 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
10492 with aggregates here.
10493 (find_func_aliases): Remove code for &<aggregate> from here.
10495 2006-02-26 Roger Sayle <roger@eyesopen.com>
10497 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
10498 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
10499 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
10500 as (X & C) ne/eq 0.
10502 2006-02-26 Roger Sayle <roger@eyesopen.com>
10504 PR middle-end/19983
10505 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
10507 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
10509 * opts.c (decode_options): Do not handle flag_strength_reduce.
10510 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
10511 and OPT_fstrength_reduce.
10512 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
10513 flag_prefetch_loop_arrays for being nonzero.
10514 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
10516 (fprefetch-loop-arrays-rtl): Removed.
10517 (flag_prefetch_loop_arrays): Do not specify the value.
10519 * doc/passes.texi: Update documentation of loop optimizer
10521 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
10522 -frerun-loop-opt): Remove.
10524 2006-02-26 Richard Guenther <rguenther@suse.de>
10526 PR tree-optimization/26421
10527 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
10528 in function calls that are ADDR_EXPRs as using the whole structure.
10530 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
10532 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
10533 * tree-pass.h (pass_loop_optimize): Remove.
10534 * passes.c (pass_loop_optimize): Never run it.
10535 * toplev.c (backend_init): Don't call init_loop.
10536 * opts.c (flag_loop_optimize_set): Remove.
10537 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
10538 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
10539 the old RTL loop optimizer when profiling enabled.
10540 * predict.c (tree_estimate_probability): Always strip builtin_expect.
10541 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
10542 pre-headers for the sake of the old RTL loop optimizer.
10543 * Makefile.in: Remove all references to loop.o.
10545 * doc/invoke.texi: Remove all references to -floop-optimize
10546 and -frerun-loop-opt.
10548 2006-02-26 Zack Weinberg <zackw@panix.com>
10550 * doc/md.texi (Machine Constraints): Refer to all files with paths
10551 relative to gcc directory (i.e. config/CPU/file). Add missing
10552 @table @code ... @end table to M32C subsection.
10554 2006-02-26 Roger Sayle <roger@eyesopen.com>
10556 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
10558 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
10560 2006-02-26 Roger Sayle <roger@eyesopen.com>
10561 James A. Morrison <phython@gcc.gnu.org>
10563 PR middle-end/21137
10564 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
10565 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
10566 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
10567 signedness of the shift operation.
10569 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
10571 PR tree-optimization/26359
10572 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
10574 2006-02-25 Roger Sayle <roger@eyesopen.com>
10576 * simplify-rtx.c (simplify_relational_operation_1): Simplify
10577 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
10578 as X == 0, and some symmetry related transformations.
10579 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
10581 2006-02-25 Roger Sayle <roger@eyesopen.com>
10583 PR middle-end/23673
10584 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
10585 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
10586 symmetry related transformations. Fold (X^C1) == C2 as
10589 2006-02-25 Juergen Weigert <jw@suse.de>
10590 Richard Guenther <rguenther@suse.de>
10592 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
10594 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
10596 * combine.c (gen_lowpart_or_truncate): Call
10597 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
10599 2006-02-24 Diego Novillo <dnovillo@redhat.com>
10601 * doc/invoke.texi: Move -fopenmp description to "Options for
10603 Remove reference to -lgomp.
10605 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10607 * doc/install.texi: Require GNU tar version 1.14.
10609 2006-02-24 Geoffrey Keating <geoffk@apple.com>
10611 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
10612 * doc/invoke.texi (C++ Dialect Options): Document
10613 -fno-use-cxa-get-exception-ptr.
10614 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
10615 * configure: Regenerate.
10616 * c.opt (fuse-cxa-get-exception-ptr): New.
10617 * c-opts.c (c_common_handle_option): Handle
10618 OPT_fuse_cxa_get_exception_ptr.
10619 * c-common.c (flag_use_cxa_atexit): Update documentation.
10620 (flag_use_cxa_get_exception_ptr): New.
10621 * c-common.h (flag_use_cxa_get_exception_ptr): New.
10622 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
10624 (C_COMMON_OVERRIDE_OPTIONS): New.
10626 2006-02-24 Roger Sayle <roger@eyesopen.com>
10628 PR middle-end/24952
10629 * combine.c (try_combine): Explicitly check whether GET_CODE is
10630 a SET or a CLOBBER, instead on checking that it isn't a USE.
10632 2006-02-24 Roger Sayle <roger@eyesopen.com>
10634 * fold-const.c (fold_comparison): New subroutine of fold_binary
10635 containing transformations common to both the equality and
10636 ordering relational operators, factored out of fold_binary.
10637 (fold_binary): Separate out the equality operators (EQ_EXPR
10638 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
10639 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
10640 transformations common to both.
10641 (fold_div_compare): Fix latent bugs in the previously unreachable
10642 LT_EXPR and GE_EXPR cases.
10644 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10646 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
10647 decl libname for clog to __clog on AIX.
10649 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
10651 2006-02-24 Alan Modra <amodra@bigpond.net.au>
10654 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
10655 output traceback table for thunks. Localise rs6000_stack_info call.
10657 2006-02-23 Roger Sayle <roger@eyesopen.com>
10658 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10660 * gthr-posix.h (__gthrw): Fix typo in comment.
10662 2006-02-23 Geoffrey Keating <geoffk@apple.com>
10664 * doc/cpp.texi (Character sets): Document that we do support
10665 input files to be in any character set.
10667 2006-02-23 Jeff Law <law@redhat.com>
10669 * tree.h (PHI_ARG_NONZERO): Remove.
10670 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
10671 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
10672 node to the new node.
10674 PR tree-optimization/26425
10675 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
10676 min/max, then assume its varying.
10678 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10680 PR rtl-optimization/26316
10681 * rtlanal.c (enum may_trap_p_flags): New.
10682 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
10683 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
10684 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
10685 (may_trap_after_code_motion_p): New function.
10686 * loop-invariant.c (find_identical_invariants): Fix dump formating.
10687 (find_invariant_insn): Use may_trap_after_code_motion_p.
10688 * rtl.h (may_trap_after_code_motion_p): Declare.
10690 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10692 * emit-rtl.c (immed_double_const): Cleanup.
10694 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
10696 Fix PR tree-optimization/26376
10697 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
10700 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10702 PR middle-end/26412
10703 * gimplify.c (omp_add_variable): Guard variable size decl test with
10704 DECL_SIZE (decl) check.
10706 2006-02-23 Richard Guenther <rguenther@suse.de>
10708 PR middle-end/26439
10709 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
10710 like aggregate types.
10712 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10714 * configure.ac: Add --with{,out}-long-double-128 configure option.
10715 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
10716 * configure: Rebuilt.
10717 * config.in: Rebuilt.
10718 * doc/install.texi (Options specification): Document
10719 --with-long-double-128.
10721 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
10722 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
10723 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
10724 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
10726 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
10728 * config/s390/s390.c (override_options): Handle
10729 TARGET_DEFAULT_LONG_DOUBLE_128.
10731 * config/alpha/alpha.c (override_options): Handle
10732 TARGET_DEFAULT_LONG_DOUBLE_128.
10734 * config/sparc/sparc.c (sparc_override_options): Handle
10735 TARGET_DEFAULT_LONG_DOUBLE_128.
10737 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
10739 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
10740 (real-install-headers-tar, real-install-headers-cpio)
10741 (real-install-headers-cp): New targets.
10743 2006-02-22 Richard Sandiford <richard@codesourcery.com>
10745 * tree.h (variable_section): Delete.
10746 * varasm.c (variable_section): Delete.
10748 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
10750 * install.texi: Add notes on install.texi2html.
10751 (Building in parallel): Do not use footnotes.
10753 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
10756 * doc/install.texi (Configuration): Document --disable-libgomp.
10758 2006-02-21 Geoffrey Keating <geoffk@apple.com>
10760 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
10762 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10764 * config/i386/sse.md (vec_extractv2df_1_sse): New.
10765 (vec_extractv2df_0_sse): New.
10767 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10769 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
10770 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
10771 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
10772 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
10773 to the result of the expression.
10774 (def_cfa_1): Adjust.
10775 (frame_pointer_cfa_offset): Rename to...
10776 (frame_pointer_fb_offset): ... this. Adjust all uses.
10777 (convert_cfa_to_loc_list): Rename to...
10778 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
10779 Pass it on to build_cfa_loc.
10780 (compute_frame_pointer_to_cfa_displacement): Rename to...
10781 (compute_frame_pointer_to_fb_displacement): ... this. New
10782 offset parameter. Use it in computation.
10783 (gen_subprogram_die): Compute cfa_fb_offset with the new
10784 macro, and use it to compute the fb loc list and the
10787 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
10789 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
10790 replaced with register_operand.
10791 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
10792 non-DREG is expensive.
10793 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
10794 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
10797 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
10799 * doc/install.texi2html: Use set -e.
10801 2006-02-21 Richard Sandiford <richard@codesourcery.com>
10803 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10804 (ASM_OUTPUT_SHARED_LOCAL): Delete.
10805 * doc/invoke.texi (-fshared-data): Delete.
10806 * common.opt (fshared-data): Delete.
10807 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
10808 (assemble_static_space): Remove #if 0 code.
10809 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10810 (ASM_OUTPUT_SHARED_LOCAL): Poison.
10811 * config/cris/cris.h: Remove FIXME.
10813 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
10815 * doc/sourcebuild.texi (Front End Directory): No more double-colon
10818 2006-02-21 Jakub Jelinek <jakub@redhat.com>
10820 PR middle-end/26379
10821 * combine.c (simplify_shift_const_1): Disable nested shifts
10822 optimization for vector shifts.
10824 2006-02-20 Roger Sayle <roger@eyesopen.com>
10826 PR tree-optimization/26361
10827 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
10828 of unsigned integer types.
10830 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
10832 * tree-chrec.c (eq_evolutions_p): New.
10833 * tree-chrec.h (eq_evolutions_p): Declared.
10834 * tree-data-ref.c: Fix formatting.
10835 (datadep_stats, dependence_stats): New.
10837 (print_direction_vector): New.
10838 (dump_data_dependence_relation): Use print_direction_vector.
10839 (object_analysis, create_data_ref): Handle COMPONENT_REF.
10840 (compute_subscript_distance): Static.
10841 (initialize_data_dependence_relation): Static. Get the number
10842 of loops surrounding the references from the callers, and initialize
10843 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
10844 base_object_differ_p analyzers.
10845 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
10846 compute_overlap_steps_for_affine_1_2,
10847 analyze_subscript_affine_affine): Count the classified dependences.
10848 Print a message when a test failed.
10849 (can_use_analyze_subscript_affine_affine): New.
10850 (analyze_siv_subscript): Compute the data dependences on symbolic
10851 scevs that verify can_use_analyze_subscript_affine_affine.
10852 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
10853 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
10854 Handle symbolic scevs.
10855 (analyze_overlapping_iterations): Let symbolic affine scevs to be
10857 (subscript_dependence_tester): Moved...
10858 (build_classic_dist_vector, build_classic_dir_vector): Don't use
10859 lambda_vector_clear on newly allocated vectors. Get nb_loops from
10860 DDR_SIZE_VECT instead of getting it in parameter.
10861 (subscript_dependence_tester): ... here. Take as a parameter
10862 loop_nest_depth. Call build_classic_dist_vector and
10863 build_classic_dir_vector.
10864 (compute_affine_dependence): Update subscript_dependence_tester
10865 parameters. Update datadep_stats counters. Call
10866 compute_subscript_distance.
10867 (compute_self_dependence): Save the dist and dir vectors. Call
10868 compute_subscript_distance.
10869 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
10870 (compute_all_dependences): Reorder parameters as they were before
10871 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
10872 compute_subscript_distance. Update the use of
10873 compute_affine_dependence and initialize_data_dependence_relation.
10874 (find_data_references_in_loop): Handle COMPONENT_REF.
10875 (compute_data_dependences_for_loop): Initialize dependence_stats.
10876 Don't call build_classic_dist_vector and build_classic_dir_vector.
10877 Update the parameters of initialize_data_dependence_relation and
10878 compute_all_dependences. Print the statistics from datadep_stats.
10879 (analyze_all_data_dependences): Static. Not used until the pass for
10880 checking the data dependences is contributed.
10881 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
10882 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
10883 (initialize_data_dependence_relation, compute_affine_dependence,
10884 analyze_all_data_dependences, compute_subscript_distance): Removed.
10885 (print_direction_vector): New.
10886 * lambda.h (gcd): ... here.
10887 (lambda_vector_gcd): Moved here from gcd_vector.
10888 * lambda-code.c (gcd, gcd_vector): Removed.
10889 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
10890 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
10892 2006-02-20 Diego Novillo <dnovillo@redhat.com>
10894 * ipa-type-escape.c: Tidy some comments and white space.
10895 * tree-ssa-operands.c: Likewise.
10897 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
10900 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
10901 (dump_decl_name): Do not walk the decl tree chains.
10902 * tree-pass.h (TDF_CHAIN): Remove.
10904 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10906 * Makefile.in (C): Remove
10908 (.PHONY): Remove C and PROTO
10910 2006-02-20 Roger Sayle <roger@eyesopen.com>
10912 PR middle-end/26236
10913 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
10914 deprecated CHAR_TYPE tree code.
10916 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10918 * configure.ac (target_list): Add install-info, dvi, html.
10919 * configure: Regenerate.
10921 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
10922 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
10923 treelang/Make-lang.in: Do not use double-colon rules.
10925 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
10927 * tree.h (struct tree_memory_tag): Add is_used_alone member.
10928 (TMT_USED_ALONE): New macro.
10929 * tree-pass.h (PROP_tmt_usage): New property.
10930 (TODO_update_tmt_usage): New todo.
10931 * tree-ssa-alias.c (updating_used_alone): New variable.
10932 (recalculate_used_alone): New function.
10933 (compute_may_aliases): Set updating_used_alone, call
10934 recalculate_used_alone.
10935 * tree-sra.c (pass_sra): Note that this pass destroys
10936 PROP_tmt_usage, and add TODO_update_tmt_usage.
10937 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
10938 * tree-flow.h (updating_used_alone): Prototype.
10939 (recalculate_used_alone): Ditto.
10940 * passes.c (execute_todo): Add code to set updating_used_alone,
10941 and call recalculate.
10942 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
10943 for clobber if used alone, and add assert to verify used_alone
10946 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
10948 * config/s390/s390.c (legitimize_pic_address): Assertions checking
10949 for non tls symbols added.
10950 (legitimize_address): Do nothing for PLUS expressions if one of the
10951 addends is a tls symbol reference.
10953 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10957 * Makefile.in (LDFLAGS): Define from autoconf substitution.
10959 * Makefile.in (BOOTSTRAPPING): New.
10960 (quickstrap): New definition if BOOTSTRAPPING=yes.
10962 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
10963 * configure.ac: Substitute all_selected_languages with the languages
10964 that were configured. For all the other variables except
10965 lang_specs_files, include all the languages in the tree.
10966 * configure: Regenerate.
10968 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
10969 if there is one. Run the commands to run fixincludes in the same
10972 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
10973 * doc/install.texi: Document exact conventions for searching target tools.
10974 Document --with-build-time-tools. Document toplevel bootstrap. Document
10975 something more about building an Ada cross-compiler. Don't list GNU Make
10976 requirements which affect all platforms.
10978 2006-02-19 Roger Sayle <roger@eyesopen.com>
10980 PR middle-end/19543
10981 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
10982 only equivalent if the have both the same mode and precision.
10984 2006-02-20 Ben Elliston <bje@au.ibm.com>
10986 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
10988 2006-02-19 Roger Sayle <roger@eyesopen.com>
10989 Steven Bosscher <stevenb.gcc@gmail.com>
10991 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
10992 constant pool references to identify stack mode constants.
10993 * rtlanal.c (constant_pool_constant_p): New predicate to check
10994 whether operand is a floating point constant in the pool.
10995 * rtl.h (constant_pool_constant_p): Prototype here.
10996 * loop.c (scan_loop): Avoid hoisting constants from the constant
10997 pool on STACK_REGS targets.
10998 (load_mems): Likewise.
10999 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11000 loads into x87 registers expensive in terms of register pressure.
11002 2006-02-19 Roger Sayle <roger@eyesopen.com>
11004 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11005 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11007 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11009 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11010 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11012 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11014 * doc/invoke.texi: Document -fipa-pta.
11015 * common.opt: Add ipa-pta option.
11016 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11017 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11018 (do_ds_constraint): Ditto.
11019 (get_constraint_for): Only add to referenced_vars if
11020 referenced_vars exists.
11021 (insert_into_field_list): Rewrite to do this unsorted.
11022 (insert_into_field_list_sorted): Rename old insert_into_field_list
11024 (create_function_info_for): Use insert_into_field_list_sorted.
11025 (create_variable_info_for): Rewrite so it uses unsorted version,
11026 since the field list is sorted.
11027 (intra_create_variable_infos): Only add to referenced_vars if
11028 referenced_vars exists.
11029 (ipa_pta_execute): Init heapvars, and delete when done.
11030 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11032 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11034 * doc/install.texi: Add missing `@samp'.
11036 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11038 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11041 2006-02-18 Mark Wielaard <mark@klomp.org>
11043 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11044 who added new 4.1 features, bug fixes and integration support.
11046 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11049 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11050 MEM for ABI_V4 pic.
11052 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11054 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11055 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11056 (copy_insn_1): Likewise. Don't copy each field individually.
11058 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
11060 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
11061 * rtl.c (rtx_size): Rename variable to...
11062 (rtx_code_size): ...this.
11063 (rtx_size): New function.
11064 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
11065 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
11067 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
11068 * rtl.h (rtx_code_size): New variable.
11069 (rtx_size): Change from a variable to a function.
11070 (RTX_SIZE): Rename to...
11071 (RTX_CODE_SIZE): ...this.
11074 PR tree-optimization/17106
11075 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
11076 (Anchored Addresses): New section.
11077 * doc/invoke.texi (-fsection-anchors): Document.
11078 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
11079 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
11080 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
11081 * hooks.c (hook_bool_mode_rtx_false): New function.
11082 * hooks.h (hook_bool_mode_rtx_false): Declare.
11083 * gengtype.c (create_optional_field): New function.
11084 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
11085 SYMBOL_REF_IN_BLOCK_P is true.
11086 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
11087 (min_anchor_offset, max_anchor_offset): Likewise.
11088 (use_anchors_for_symbol_p): New hook.
11089 * toplev.c (compile_file): Call output_object_blocks.
11090 (target_supports_section_anchors_p): New function.
11091 (process_options): Check that -fsection-anchors is only used on
11092 targets that support it and when -funit-at-a-time is in effect.
11093 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
11094 if the decl doesn't have one.
11095 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
11096 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
11097 of force_const_mem through use_anchored_address.
11098 (expand_expr_constant): New function.
11099 (expand_expr_addr_expr_1): Call it. Use the same modifier when
11100 calling expand_expr for INDIRECT_REF.
11101 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
11102 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
11103 * expr.h (use_anchored_address): Declare.
11104 * loop-unroll.c: Don't declare rtx vectors here.
11105 * explow.c: Include output.h.
11106 (validize_mem): Call use_anchored_address.
11107 (use_anchored_address): New function.
11108 * common.opt (-fsection-anchors): New switch.
11109 * varasm.c (object_block_htab, anchor_labelno): New variables.
11110 (hash_section, object_block_entry_eq, object_block_entry_hash)
11111 (use_object_blocks_p, get_block_for_section, create_block_symbol)
11112 (use_blocks_for_decl_p, change_symbol_section): New functions.
11113 (get_variable_section): New function, split out from assemble_variable.
11114 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
11115 use_blocks_for_decl_p say so. Use change_symbol_section if the
11116 symbol has already been created.
11117 (assemble_variable_contents): New function, split out from...
11118 (assemble_variable): ...here. Don't output any code for
11119 block symbols; just pass them to place_block_symbol.
11120 Use get_variable_section and assemble_variable_contents.
11121 (get_constant_alignment, get_constant_section, get_constant_size): New
11122 functions, split from output_constant_def_contents.
11123 (build_constant_desc): Create a block symbol if use_object_blocks_p
11124 says so. Or into SYMBOL_REF_FLAGS.
11125 (assemble_constant_contents): New function, split from...
11126 (output_constant_def_contents): ...here. Don't output any code
11127 for block symbols; just pass them to place_section_symbol.
11128 Use get_constant_section and get_constant_alignment.
11129 (force_const_mem): Create a block symbol if use_object_blocks_p and
11130 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
11131 (output_constant_pool_1): Add an explicit alignment argument.
11132 Don't switch sections here.
11133 (output_constant_pool): Adjust call to output_constant_pool_1.
11134 Switch sections here instead. Don't output anything for block symbols;
11135 just pass them to place_block_symbol.
11136 (init_varasm_once): Initialize object_block_htab.
11137 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
11138 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
11139 (place_block_symbol, get_section_anchor, output_object_block)
11140 (output_object_block_htab, output_object_blocks): New functions.
11141 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
11142 (TARGET_ASM_OUT): Include it.
11143 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
11144 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
11145 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
11146 (TARGET_INITIALIZER): Include them.
11147 * rtl.c (rtl_check_failed_block_symbol): New function.
11148 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
11149 (block_symbol, object_block): New structures.
11150 (rtx_def): Add a block_symbol field to the union.
11151 (BLOCK_SYMBOL_CHECK): New macro.
11152 (rtl_check_failed_block_symbol): Declare.
11153 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
11154 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
11155 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
11156 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
11157 * output.h (output_section_symbols): Declare.
11158 (object_block): Name structure.
11159 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
11160 (default_use_anchors_for_symbol_p): Declare.
11161 * Makefile.in (RTL_BASE_H): Add vec.h.
11162 (explow.o): Depend on output.h.
11163 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
11164 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11165 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11166 (rs6000_use_blocks_for_constant_p): New function.
11168 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11170 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
11172 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11175 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
11178 2006-02-18 Diego Novillo <dnovillo@redhat.com>
11180 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
11184 2006-02-18 Jakub Jelinek <jakub@redhat.com>
11186 PR middle-end/26334
11187 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
11188 instead of DECL_REGISTER.
11190 2006-02-18 Olivier Hainque <hainque@adacore.com>
11193 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
11195 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
11198 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
11199 * opth-gen.awk: Handle Var and InverseMask together.
11200 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
11201 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
11202 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
11203 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
11205 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11206 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11207 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
11208 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11209 LINUX_DYNAMIC_LINKER): Define.
11210 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
11211 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
11213 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11214 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
11215 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11216 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11217 (TARGET_C99_FUNCTIONS): Don't define.
11218 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
11219 GLIBC_DYNAMIC_LINKER.
11220 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
11221 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
11222 GLIBC_DYNAMIC_LINKER64): Define.
11223 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11224 LINUX_DYNAMIC_LINKER64.
11225 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11226 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11227 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
11228 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11229 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11230 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11231 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
11232 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
11233 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
11234 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
11235 and LINUX_DYNAMIC_LINKER32.
11236 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11237 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11238 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
11239 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11240 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
11242 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
11243 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
11244 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11245 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11246 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11247 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
11248 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
11249 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
11250 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11251 LINUX_DYNAMIC_LINKER): Define.
11252 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
11253 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
11254 GLIBC_DYNAMIC_LINKER64): Define.
11255 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11256 LINUX_DYNAMIC_LINKER64.
11257 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11258 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11259 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
11260 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11261 LINUX_DYNAMIC_LINKER): Define.
11262 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11263 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11264 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
11265 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
11266 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
11267 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11268 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
11269 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
11270 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11271 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11272 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11273 * doc/invoke.texi (-muclibc): Remove caveat about supported
11276 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
11278 * doc/cpp.texi (__TIMESTAMP__): Document.
11280 2006-02-17 Roger Sayle <roger@eyesopen.com>
11282 PR middle-end/25600
11283 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
11284 C is one less than the width of X (and related transformations).
11285 * simplify-rtx.c (simplify_unary_operation_1): Transform
11286 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
11287 depending on STORE_FLAG_VALUE, were C is one less then the
11290 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
11292 Fix PR tree-optimization/26341
11293 * tree-ssa-operands.c (add_virtual_operand): Remove assert
11294 about NAME_MEMORY_TAG's.
11296 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11299 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
11300 with hardware float support, and software float support. Add fcpy
11301 alternative to hardware patterns. Add alternatives to copy between
11302 general and floating-point registers to the 32-bit pattern.
11303 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
11304 secondary reload to load a QI or HI mode constant into a floating
11306 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
11307 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
11309 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
11312 * config/rs6000/darwin.md (load_macho_picbase_si): Add
11314 (load_macho_picbase_di): Likewise.
11316 2006-02-16 Jeff Law <law@redhat.com>
11318 * tree-vrp.c (set_value_range_to_nonnegative): New function.
11319 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
11320 (ssa_name_nonzero_p): Likewise.
11321 (get_value_range): Return NULL if VRP is not running.
11322 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
11323 VRP routines do not discover a range.
11324 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
11325 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
11326 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
11327 (tree_expr_nonnegative_p): Similarly.
11328 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
11329 (restore_nonzero_vars_to_original_value): Remove.
11330 (unsafe_associative_fp_binop): Remove.
11331 (tree_ssa_dominator_optimize): Remove initialization and
11332 finalization of nonzero_vars and nonzero_vars_stack.
11333 (dom_opt_initialize_block): No longer push marker on
11334 nonzero_vars_stack.
11335 (dom_opt_finalize_block): No longer call
11336 restore_nonzero_vars_to_original_value.
11337 (record_equivalences_from_phis): No longer look for
11338 nonzero PHI arguments.
11339 (cprop_into_successor_phis): No longer propagate nonzero
11340 property into PHI arguments. Lose unused argument. Caller
11342 (record_equivalences_from_stmt): No longer record nonzero
11343 values for SSA_NAMEs.
11344 (lookup_avail_expr): No longer use nonzero_vars.
11346 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
11347 for sizetype when sizetype is unsigned.
11349 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
11351 PR rtl-optimization/25603
11352 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
11353 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
11354 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
11355 with new meaning of SETS.
11357 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
11362 * config/linux.opt: New file.
11363 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
11364 LINUX_DYNAMIC_LINKER): Define.
11365 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
11366 * config.gcc (*-*-linux*): Define extra_options.
11367 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
11368 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
11369 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
11370 GLIBC_DYNAMIC_LINKER.
11371 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
11372 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11373 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11374 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11375 * doc/invoke.texi (GNU/Linux Options): New section.
11377 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
11379 * config/sparc/sparc.md (setjmp): Rewrite.
11380 (setjmp_32): Delete.
11381 (setjmp_64): Likewise.
11383 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
11385 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
11388 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11390 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
11393 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11395 PR rtl-optimization/26296
11396 * Makefile.in (loop-invariant.c): Add except.h dependency.
11397 * loop-invariant.c: Include except.h.
11398 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
11400 2005-02-16 Paul Brook <paul@codesourcery.com>
11402 * reload1.c (emit_reload_insns): Invalidate dead input registers used
11405 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
11407 PR rtl-optimization/25636
11408 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
11409 when deciding whether an insn is an initializing insn.
11411 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
11413 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
11414 (tree_code_size): Ditto.
11415 * tree.h (struct tree_memory_tag): Remove parent_var.
11416 (struct tree_struct_field_tag): New.
11419 (union tree_node): Add sft member.
11420 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
11422 (create_sft): Add size and offset argument, set SFT_OFFSET and
11424 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
11425 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
11426 * tree-flow-inline.h (get_subvar_at): Update for
11427 SFT_OFFSET/SFT_SIZE.
11428 (var_can_have_subvars): Ditto.
11429 (overlap_subvar): Ditto.
11430 * print-tree.c (print_node): Print out interesting things for
11432 * tree-flow.h (struct subvar): Remove offset and size members.
11433 * tree-ssa-operands.c (get_expr_operands): Update for
11434 get_indirect_ref_operands changes.
11435 (get_indirect_ref_operands): Call add_virtual_operand instead of
11436 add_stmt_operand. Only recurse on base var if requested.
11437 (access_can_touch_variable): New function.
11438 (add_stmt_operand): Split virtual operand handling into ...
11439 (add_virtual_operand): Here. Add offset, size, and for_clobber
11440 arguments. Prune alias sets.
11441 (add_call_clobber_ops): Call add_virtual_operand.
11443 2006-02-15 Jakub Jelinek <jakub@redhat.com>
11445 PR middle-end/26300
11446 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
11448 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
11449 than TREE_CODE as index into omp_clause_num_ops array.
11451 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
11453 PR rtl-optimization/26184
11454 * modulo-sched.c (generate_reg_moves): Free bitmap vector
11456 * modulo-sched.c (sms_schedule): Free g_arr pointer.
11457 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
11458 must_precede, must_follow and tobe_scheduled.
11461 * opts.c (common_handle_option): Free new_option pointer.
11462 * df-core.c (df_analyze): Free postorder pointer.
11464 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11466 * Makefile.in: Fix the examples about the use of stamps
11468 2006-02-15 Michael Matz <matz@suse.de>
11470 PR middle-end/22275
11472 * stor-layout.c (layout_decl): Zero-width bitfields aren't
11473 influenced by maximum_field_alignment or DECL_PACKED.
11474 (update_alignment_for_field): Ditto.
11475 (place_field): Ditto.
11476 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
11479 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
11481 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
11482 (debug_flow_info): Pass it.
11483 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
11484 * bb-reorder.c (reorder_basic_blocks): Likewise.
11485 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
11486 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
11487 * flow.c (life_analysis, recompute_reg_usage): Likewise.
11488 * gcse.c (gcse_main, bypass_jumps): Likewise.
11489 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
11490 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
11491 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
11492 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
11493 * rtl.h (dump_flow_info): Adjust prototype.
11494 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
11495 * var-tracking.c (variable_tracking_main): Likewise.
11496 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
11497 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
11500 2006-02-15 Marcin Dalecki <martin@dalecki.de>
11502 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
11505 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11507 PR tree-optimization/26209
11508 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
11509 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
11511 * tree-cfg.c (replace_uses_by): Do not alter cfg.
11513 2006-02-14 Roger Sayle <roger@eyesopen.com>
11515 PR middle-end/23670
11516 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
11517 (X,Y) and the corresponding symmetry related transformations.
11518 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
11519 (X,Y) and its symmetry related transformations.
11521 2006-02-14 Roger Sayle <roger@eyesopen.com>
11523 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
11526 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
11528 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
11530 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11533 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
11534 support COMDAT group.
11535 * configure: Regenerate.
11537 2006-02-14 Roger Sayle <roger@eyesopen.com>
11539 PR middle-end/26279
11540 PR middle-end/26280
11541 PR middle-end/26283
11542 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
11544 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
11546 Fix PR tree-optimization/26260
11548 * doc/invoke.texi (max-fields-for-field-sensitive): Document
11550 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
11551 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
11552 * tree-ssa-structalias.c (create_variable_info_for): Use
11553 MAX_FIELDS_FOR_FIELD_SENSITIVE.
11555 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11557 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
11559 * tree-ssa-loop-niter.c (number_of_iterations_ne,
11560 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
11561 of the ending condition.
11562 * tree-ssa-loop-manip.c: Include params.h.
11563 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
11564 tree_unroll_loop): New functions.
11565 * tree-pass.h (pass_loop_prefetch): Declare.
11566 * loop.c (rest_of_handle_loop_optimize): Test for
11567 -fprefetch-loop-arrays-rtl.
11568 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
11569 * timevar.def (TV_TREE_PREFETCH): New timevar.
11570 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
11571 pass_loop_prefetch): New.
11572 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
11573 (cleanup_tree_cfg_loop): Call scev_reset.
11574 * common.opt (fprefetch-loop-arrays-rtl): Add.
11575 * tree-ssa-loop-prefetch.c: New file.
11576 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
11577 (new_temp_expr_table): Initialize expr_vars.
11578 (free_temp_expr_table): Cleanup expr_vars.
11579 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
11580 expressions from being merged into one.
11581 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
11582 (struct tree_niter_desc): Add control, bound and cmp fields.
11583 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
11585 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
11586 (tree-cfgcleanup.o): Add SCEV_H dependency.
11587 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
11588 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
11590 2006-02-14 Richard Guenther <rguenther@suse.de>
11592 PR tree-optimization/26258
11593 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
11594 in PHI argument processing.
11596 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
11598 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
11599 new expression in the requested machine mode.
11601 2006-02-13 Roger Sayle <roger@eyesopen.com>
11603 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
11604 directly, instead let do_compare_rtx_and_jump handle this for us.
11605 * expr.c (expand_expr_real_1): Likewise.
11606 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
11607 before do_jump_by_parts_greater.
11608 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
11609 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
11611 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11613 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
11615 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11617 PR rtl-optimization/26235
11618 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
11619 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
11622 2006-02-13 Jeff Law <law@redhat.com>
11624 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
11627 2006-02-13 Jakub Jelinek <jakub@redhat.com>
11629 PR middle-end/26092
11630 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
11631 twice if decl is a builtin. When trying again, call get_callee_fndecl
11632 first to verify it is still a builtin.
11634 2006-02-13 Geoffrey Keating <geoffk@apple.com>
11636 * dwarf2out.c (base_type_die): Don't add AT_name here.
11637 (subrange_type_die): Don't add AT_name here.
11638 (modified_type_die): Rearrange code flow. Do add AT_name here.
11640 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11642 PR rtl-optimization/26247
11643 PR rtl-optimization/26248
11644 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
11646 2006-02-13 Richard Sandiford <richard@codesourcery.com>
11648 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
11649 * config/fixtfdi.c: Likewise.
11650 * config/fixunstfdi.c: Likewise.
11651 * config/floatditf.c: Likewise.
11653 2006-02-13 Roger Sayle <roger@eyesopen.com>
11655 PR middle-end/24427
11656 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
11657 into (X,C2) if C1 is a subset of the bits of C2. Transform
11658 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
11660 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
11662 2006-02-13 Josh Conner <jconner@apple.com>
11665 * varasm.c (function_section): Check for section name before
11666 calling select_section on targets that define
11667 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
11668 unlikely_text_section instead of hot_function_section if
11669 first_function_block_is_cold.
11671 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
11673 PR middle-end/25335
11674 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
11676 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11678 PR rtl-optimization/26222
11679 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
11680 after tree->rtl expansion.
11681 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
11682 before passing it to emit_move_insn.
11684 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
11686 * doc/invoke.texi (-Write-strings): Document that it is enabled by
11688 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
11689 Clarify documentation.
11690 * c-common.h (warn_write_strings): Remove.
11691 * c-common.c (warn_write_strings): Likewise.
11692 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
11695 2006-02-12 Roger Sayle <roger@eyesopen.com>
11697 PR middle-end/25724
11698 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
11699 (do_jump_parts_zero_rtx): New function renamed from
11700 do_jump_parts_equality_rtx. Made static. Add a mode argument.
11701 (do_jump_parts_equality_rtx): New function split out from
11702 do_jump_parts_equality. Old implementation renamed as above.
11703 Call do_jump_parts_zero_rtx if either operand is zero.
11704 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
11705 do all of the heavy lifting.
11706 (do_compare_rtx_and_jump): Handle multi-word comparisons by
11707 calling either do_jump_by_parts_greater_rtx or
11708 do_jump_by_parts_equality_rtx.
11709 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
11710 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
11711 moved to do_compare_rtx_and_jump, call it directly.
11712 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
11713 mode argument. Call do_compare_rtx_and_jump.
11714 (emit_case_nodes): Update calls to do_jump_if_equal.
11716 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11718 PR rtl-optimization/26225
11719 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
11721 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11723 PR rtl-optimization/26232
11724 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
11726 2006-02-11 Jason Merrill <jason@redhat.com>
11729 * tree-inline.c (declare_return_variable): Just don't use the
11730 modify target if it's a gimple complex reg and the return slot
11733 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11735 * doc/contrib.texi: Update my entry.
11737 2006-02-10 Geoffrey Keating <geoffk@apple.com>
11739 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
11741 2006-02-10 Diego Novillo <dnovillo@redhat.com>
11743 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
11746 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
11748 * doc/invoke.texi (-floop-optimize2): Removed.
11749 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
11750 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
11751 Test flag_branch_on_count_reg only if HAVE_doloop_end.
11752 * common.opt (floop-optimize2): Removed.
11753 (fmove-loop-invariants): Enabled by default.
11755 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
11757 * tree-if-conv.c (combine_blocks): Free the result of
11758 get_loop_exit_edges.
11760 2006-02-10 Jeff Law <law@redhat.com>
11762 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
11764 PR tree-optimization/26213
11765 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
11766 loop trying to follow SSA_NAME_VALUE chains.
11768 2006-02-10 Richard Guenther <rguenther@suse.de>
11770 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
11771 deal with structures that end in implicitly variable sized arrays.
11773 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11775 PR rtl-optimization/24762
11776 * df-scan.c (df_bb_refs_record): Record correct registers defined on
11779 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11781 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
11782 (struct ivopts_data): Add regs_used field.
11783 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
11784 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
11785 instead of loop_data->regs_used;
11786 (free_loop_data): Do not free aux fields for loops.
11787 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
11788 and tree_ssa_iv_optimize_finalize.
11790 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
11792 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
11794 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11797 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
11798 computing the effective result type.
11800 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11802 PR inline-asm/16194
11803 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
11804 (tree_overlaps_hard_reg_set): Declare.
11805 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
11806 type and signature to match function type expected by walk_tree.
11807 (tree_overlaps_hard_reg_set): New function.
11808 (decl_conflicts_with_clobbers_p): Rename to:
11809 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
11810 Use tree_overlaps_hard_reg_set. Changed caller.
11811 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
11812 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
11813 * cris.c (cris_md_asm_clobbers): Likewise.
11815 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
11817 * reload1.c (emit_input_reload_insns): Delete code that tries to
11818 inherit using find_equiv_reg.
11820 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
11822 * c-common.h (flag_const_strings): Don't declare.
11823 * c-common.c (flag_const_strings): Remove.
11824 * c.opt (fconst_strings): Remove.
11825 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
11826 <OPT_Wwrite_strings>: Don't set flag_const_strings.
11827 (c_common_init_options): Don't set flag_const_strings.
11828 * doc/invoke.texi (-fno-const-strings): Remove documentation.
11830 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
11832 * arm.md (tlobits_cbranch): New pattern.
11833 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
11834 testing a single bit.
11836 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11839 * tree-ssa-pre.c (create_component_ref_by_pieces):
11840 Handle RETURN_DECL like VAR_DECL.
11842 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11844 PR middle-end/26134
11845 * fold-const.c (fold_indirect_ref_1): Fold
11846 "*(foo *)&complexfoo" to "__real__ complexfoo"
11847 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
11849 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11851 * tree-flow-inline.h (var_can_have_subvars):
11852 Volatile variables should not have subvariables.
11854 2006-02-09 Diego Novillo <dnovillo@redhat.com>
11857 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
11858 multiplying unsigned values.
11861 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
11863 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
11865 2006-02-08 Jason Merrill <jason@redhat.com>
11868 * tree.def: Elaborate on difference from MODIFY_EXPR.
11869 * doc/c-tree.texi (INIT_EXPR): Likewise.
11870 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
11871 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
11872 (gimplify_target_expr): Likewise.
11873 (gimplify_cond_expr): Remove target handling.
11874 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
11875 (gimplify_expr): Clobber it here.
11876 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
11877 Do return slot optimization if we have an INIT_EXPR.
11880 * tree-inline.c (declare_return_variable): Also clear
11881 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
11884 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
11886 PR middle-end/22439
11887 * gimplify.c (gimplify_one_sizepos): Fix typo.
11889 2006-02-08 Jeff Law <law@redhat.com>
11891 PR tree-optimization/21417
11892 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
11893 across a backedge if the control statement at the end of the
11894 block is data dependent on other statements in the same block.
11895 (record_temporary_equivalences_from_stmts): Remove over-conservative
11896 test for threading across backedges.
11898 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
11899 control statement, handle all three special cases in the same
11900 manner as they all have the same desired solution. No longer
11901 special case edge flag updating when the post dominator is
11904 2006-02-08 Roger Sayle <roger@eyesopen.com>
11906 * tree.def (CHAR_TYPE): Remove.
11907 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
11908 * dwarf2out.c (base_type_die, is_base_type): Likewise.
11909 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
11910 (gen_string_type_die): Delete unreachable function.
11912 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
11913 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
11914 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
11915 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
11916 * builtins.c (type_to_class): Likewise.
11917 * fold-const.c (fold_convert, build_range_check,
11918 merge_ranges): Likewise.
11919 * expr.c (count_type_elements): Likewise.
11920 * c-pretty-print.c (pp_c_type_specifier): Likewise.
11921 * stor-layout.c (layout_type): Likewise.
11922 * ipa-type-escape.c (type_to_consider): Likewise.
11923 * gimplify.c (omp_firstprivatize_type_sizes,
11924 gimplify_type_sizes): Likewise.
11925 * explow.c (promote_mode): Likewise.
11926 * tree-sra.c (is_sra_scalar_type): Likewise.
11927 * varasm.c (output_constant): Likewise.
11928 * tree-inline.c (remap_type_1): Likewise.
11929 * convert.c (convert_to_pointer, convert_to_real,
11930 convert_to_integer, convert_to_complex): Likewise.
11932 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
11934 * df-scan.c (df_def_record_1): A set destination may
11935 be a parallel regardless of mode.
11937 2006-02-08 Roger Sayle <roger@eyesopen.com>
11940 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
11941 * config/mips/_tilib.c: Remove.
11942 * config/fixtfdi.c: New libgcc source file.
11943 * config/fixunstfdi.c: New source file.
11944 * config/floatditf.c: New source file.
11945 * config/floatunditf.c: New souce file.
11946 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
11947 files above instead of config/mips/_tilib.c.
11948 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
11950 2006-02-08 Jeff Law <law@redhat.com>
11952 PR tree-optimization/26169
11953 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
11956 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
11958 * df.h (DF_REG_SIZE): Return the length of the initialized
11961 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
11963 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
11964 __muldf3): Return a correctly signed zero.
11966 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
11968 * passes.c (register_one_dump_file): Accept the current properties
11969 instead of pass number. Adjust call to dump_register. Remove
11971 (register_dump_files): Now a wrapper around...
11972 (register_dump_files_1): ... this one. Do not modify the pass
11974 (next_pass_1): Cosmetic fix.
11975 (execute_todo): Keep second parameter only. Use curr_properties
11976 instead of fetching it from the pass structure. Check and set
11978 (execute_one_pass): Handle TODO_set_props. Use curr_properties
11979 instead of fetching it from the pass structure. Fix calls to
11980 execute_todo. Update curr_properties and initialize .vcg RTL dump
11981 after running the pass. Reset last_verified.
11982 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
11984 (FIRST_AUTO_NUMBERED_DUMP): New.
11985 (dump_register): Remove "num" parameter, assign it within the
11987 (get_dump_file_name): Modify template for dumps.
11988 * tree-dump.h (dump_register): Adjust prototype.
11989 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
11990 (PROP_trees): Add PROP_gimple_lomp.
11991 (TODO_set_props): New.
11992 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
11993 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
11994 * cfgexpand.c (pass_expand): Destroy PROP_trees.
11996 2006-02-08 Jakub Jelinek <jakub@redhat.com>
11998 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
11999 (sparc64-*-linux*): Likewise.
12000 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12001 * config/sparc/t-linux: New file.
12002 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12003 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12004 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12005 -m32 -mlong-double-128.
12007 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12008 * config/alpha/t-linux: New file.
12009 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12011 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12012 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12013 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12014 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12015 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12016 (CPP_ARCH32_SPEC): Remove.
12018 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12020 PR tree-optimization/26145
12021 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12024 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12027 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12028 >= 240000 when generating code for SOM runtime.
12029 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12030 to $$dyncall when generating code for SOM runtime..
12032 2006-02-07 Dirk Mueller <dmueller@suse.com>
12035 * doc/invoke.texi (-Wsequence-point): Update documentation
12036 that -Wsequence-point is implemented for C++ as well.
12038 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12040 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12041 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12042 (LIB_SPEC): Likewise.
12043 * doc/invoke.texi (SPARC options): Document -pthread.
12045 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12047 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12050 2006-02-07 Roger Sayle <roger@eyesopen.com>
12052 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12053 Correct comment describing BOOLEAN_TYPE.
12055 2006-02-07 Dirk Mueller <dmueller@suse.com>
12057 * c.opt: C++ frontend supports -Wdiv-by-zero.
12058 * c-opts.c (c_common_handle_option): Remove dead case.
12060 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12062 * configure.ac (TLS assembler check): Do not enable TLS by
12063 default on SPARC/Solaris before version 10.
12064 * configure: Regenerate.
12066 2006-02-07 David Edelsohn <edelsohn@gnu.org>
12068 * doc/invoke.texi (xl-compat): Document conversion and support
12071 2006-02-07 Jeff Law <law@redhat.com>
12073 * tree-vrp.c (find_conditional_asserts): Update comments.
12074 (simplify_stmt_for_jump_threading): New.
12075 (identify_jump_threads, finalize_jump_threads): New.
12076 (vrp_finalize): Call identify_jump_threads.
12077 (execute_vrp): Call finalize_jump_threads.
12078 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
12079 (vrp_element, vrp_data, vrp_element_p): Remove.
12080 (vrp_hash_elt, vrp_variables_stack): Remove.
12081 (vrp_hash, vrp_eq, record_range): Remove.
12082 (simplify_cond_and_lookup_avail_expr): Remove.
12083 (extract_range_from_cond): Remove.
12084 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
12085 (simplify_stmt_for_jump_threading): New.
12086 (dom_thread_across_edge): New wrapper.
12087 (tree_ssa_dominator_optimize): No longer initialize or
12088 finalize any of the VRP datastructures. Remove iteration
12089 step and simplify as a result of removal of iteration step.
12090 (pass_dominator): Perform a cfg cleanup after DOM.
12091 (dom_opt_finalize_block): Use the new common routines
12092 for threading jumps. Simplify stack management slightly.
12093 No longer need to unwind VRP state.
12094 (record_equivalences_from_incoming_edge): No longer record
12096 (eliminate_redundant_computations): No longer call
12097 simplify_cond_and_lookup_avail_expr.
12098 * tree-flow.h (potentially_threadable_block): Prototype.
12099 (thread_across_edge): Likewise.
12100 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
12101 (tree-ssa-threadedge.o): Add dependencies.
12102 * tree-ssa-threadedge.c: New file.
12103 * passes.c (init_optimization_passes): Merge PHIs before
12104 calling VRP. Run VRP again late in the SSA optimization pipeline.
12106 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12108 * df-core.c (df_set_blocks): Do not dereference function pointers.
12109 (df_finish1): Likewise.
12110 (df_hybrid_search_forward): Likewise.
12111 (df_hybrid_search_backward): Likewise.
12112 (df_iterative_dataflow): Likewise.
12113 (df_analyze_problem): Likewise.
12114 (df_compact_blocks): Likewise.
12115 (df_dump): Likewise.
12116 * df-scan.c (df_rescan_blocks): Likewise.
12117 (df_record_entry_block_defs): Likewise.
12119 * genconditions.c (write_conditions): Guard the definition of
12120 'insn_conditions' with the check on GCC version.
12121 (write_writer): Guard the traversal 'insn_conditions' with
12122 the check on GCC version.
12124 2006-02-07 Richard Guenther <rguenther@suse.de>
12128 2006-01-30 Richard Guenther <rguenther@suse.de>
12130 * gimplify.c (gimplify_target_expr): Handle easy cases
12131 without creating a temporary.
12133 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
12135 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
12136 use of float in probability computations. Use edge probabilities
12137 in place of statically computed probabilities.
12138 (min_spec_prob): New static variable.
12139 (schedule_insns): Initialize it.
12140 (GET_SRC_PROB): Removed.
12141 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
12143 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
12146 * config/ia64/unwind-ia64.c: Revert last change.
12147 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
12148 (INCOMING_FRAME_SP_OFFSET): Define.
12150 2006-02-06 Roger Sayle <roger@eyesopen.com>
12152 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
12154 2006-02-07 Ben Elliston <bje@au.ibm.com>
12156 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
12157 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
12158 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
12159 (ix86_return_in_memory): Handle TDmode.
12160 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
12161 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
12163 2006-02-06 Richard Sandiford <richard@codesourcery.com>
12165 * reorg.c (dbr_schedule): Use dump_file instead of file.
12167 2006-02-06 Steve Ellcey <sje@cup.hp.com>
12170 * config/ia64/predicates.md (extr_len_operand): New predicate.
12171 * config/ia64/ia64.md (extv): Tighten constraints.
12173 (*tbit_and_2): Ditto.
12174 (*tbit_and_3): Ditto.
12175 (*tbit_or_2): Ditto.
12176 (*tbit_or_3): Ditto.
12177 (*bit_zero): Ditto.
12180 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
12183 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
12185 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
12187 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
12188 loop_optimizer_init and loop_optimizer_finalize
12189 * tree-ssa-sink.c (execute_sink_code): Ditto.
12190 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12191 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
12192 tree_ssa_loop_done): Ditto.
12193 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
12194 * sched-ebb.c: Include output.h.
12195 (schedule_ebbs): Do not use dump argument.
12196 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
12197 * loop.c (loop_dump_stream): Removed.
12198 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
12200 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
12201 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
12202 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
12203 loop_iterations, strength_reduce, record_biv, record_giv,
12204 final_giv_value, check_final_value, check_ext_dependent_givs,
12205 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
12206 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
12207 dump_file instead of loop_dump_stream.
12208 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
12209 argument dump_file.
12210 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
12212 * flow.c (life_analysis, rest_of_handle_life): Ditto.
12213 * haifa-sched.c: Include output.h
12214 (schedule_insns, sched_init): Do not use dump argument.
12215 * mode-switching.c (optimize_mode_switching): Ditto.
12216 * modulo-sched.c (stats_file): Removed.
12217 (print_node_sched_params): Do not call argument dump_file.
12218 (sms_schedule_by_order, loop_canon_p, sms_schedule,
12219 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
12221 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
12223 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
12224 rtl_loop_init, rtl_loop_done): Ditto.
12225 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
12226 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
12228 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
12229 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
12230 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
12231 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
12232 * emit-rtl.c (renumber_insns): Ditto.
12233 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
12234 expand_gimple_basic_block, tree_expand_cfg): Ditto.
12235 * regclass.c (regclass): Ditto.
12236 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
12237 remove_ssa_form, rewrite_out_of_ssa): Ditto.
12238 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
12239 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
12241 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
12242 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
12244 * gcse.c (gcse_file, debug_stderr): Removed.
12245 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
12246 rest_of_handle_gcse): Do not use dump argument.
12247 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
12248 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
12249 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
12250 compute_code_hoist_vbeinout, compute_code_hoist_data,
12251 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
12252 compute_store_table, build_store_vectors, insert_insn_start_bb,
12253 insert_store, remove_reachable_equiv_notes, replace_store_insn,
12254 store_motion): Use dump_file instead of gcse_file.
12255 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
12256 * profile.c (profile_dump_file): Removed.
12257 (branch_prob): Use dump_file instead of profile_dump_file.
12258 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
12260 * tree-ssa-copy.c (dump_copy_of): Ditto.
12261 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
12262 dump file to life_analysis.
12263 * bt-load.c (branch_target_load_optimize): Ditto.
12264 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
12266 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
12267 regclass, dbr_schedule): Declaration changed.
12268 * sched-int.h (sched_init): Declaration changed.
12269 * tree-profile.c (tree_profile_dump_file): Removed.
12270 (tree_profile_hooks): Removed profile_dump_file hook.
12271 * rtl-profile (rtl_profile_dump_file): Removed.
12272 (rtl_profile_hooks): emoved profile_dump_file hook.
12273 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
12275 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
12276 * tree-cfg.c (build_tree_cfg): Ditto.
12277 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
12278 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
12279 Declaration changed.
12280 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
12281 life_analysis and schedule_insns.
12282 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
12284 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
12286 * config/mips/mips.c (mips_reorg): Ditto.
12287 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
12290 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
12292 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12293 (s390_mangle_fundamental_type): New.
12294 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12297 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12298 (alpha_mangle_fundamental_type): New.
12299 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12302 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12304 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12306 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12307 (sparc_mangle_fundamental_type): New.
12309 2006-02-06 Jakub Jelinek <jakub@redhat.com>
12311 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
12312 (s390x-*-linux*): Likewise.
12313 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
12314 * config/s390/t-linux: New file.
12316 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12318 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
12319 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
12321 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
12323 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
12324 (ANTIC_SAFE_LOADS): New macro.
12325 (find_or_generate_expression): Add prototype.
12326 (set_contains_value): Allow null set for sake of not always having
12327 to allocate ANTIC_SAFE_LOADS.
12328 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
12329 Allow COMPONENT_REF too.
12330 (valid_in_set): Allow COMPONENT_REF.
12331 Check ANTIC_SAFE_LOADS too.
12332 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
12333 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
12335 (can_PRE_operation): Add COMPONENT_REF.
12336 (create_component_ref_by_pieces): New function.
12337 (create_expression_by_pieces): Use create_component_ref_by_pieces.
12338 (insert_aux): Move AGGREGATE_TYPE_P check here.
12339 (compute_avail): Set bb local stmt uids.
12340 (pass_pre): Use TODO_update_ssa_only_virtuals.
12342 2006-02-06 Ben Elliston <bje@au.ibm.com>
12344 * configure.ac: Unconditionally disable decimal float by default.
12345 * configure: Regenerate.
12347 2006-02-06 Ben Elliston <bje@au.ibm.com>
12349 * read-rtl.c (read_name): Terminate reading on EOF.
12351 2006-02-06 Ben Elliston <bje@au.ibm.com>
12353 * dfp.c (decimal_real_arithmetic): Change second argument type
12354 from int to enum tree_code. Do not always return true, but now
12355 return result of any call to decimal_do helper functions.
12356 * dfp.h (decimal_real_arithmetic): Update prototype.
12358 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
12360 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
12362 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
12365 * tree-cfg.c (cleanup_dead_labels): Also don't remove
12368 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12370 * tree-vrp.c (cfg_loops): Removed.
12371 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
12372 Use current_loops instead of cfg_loops. Pass flags to
12373 loop_optimizer_init.
12374 * cfgloopmanip.c (fix_loop_structure): Update only available
12376 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
12377 loop_optimizer_init.
12378 * modulo-sched.c (build_loops_structure): Removed.
12379 (sms_schedule): Use loop_optimizer_init.
12380 * loop-init.c (loop_optimizer_init): Use flags to determine
12381 which properties of loops to prepare.
12382 (rtl_loop_init): Pass flags to loop_optimizer_init.
12383 * tree-ssa-sink.c (execute_sink_code): Ditto.
12384 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
12385 * tree-ssa-pre.c (init_pre): Ditto.
12386 * cfgloop.h (LOOPS_NORMAL): New.
12387 (loop_optimizer_init): Declaration changed.
12389 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12391 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
12392 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
12394 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
12396 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
12398 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
12399 * pa/t-pa64: Delete quadlib.c rule.
12400 * pa/x-ada: Revert last change.
12401 * pa/t-pa: Revert last change. Delete quadlib.c rule.
12403 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12405 PR rtl-optimization/26087
12406 * rtlanal.c (canonicalize_condition): Do not cross basic block
12409 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
12412 * config/ia64/ia64.c: Include debug.h.
12413 (MAX_ARTIFICIAL_LABEL_BYTES): New.
12414 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
12415 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
12416 (process_epilogue, process_set, process_for_unwind_directive):
12417 Output unwind info only if requested. Add CFA info if requested.
12418 Add new arguments as needed. Adjust callers.
12419 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
12421 (DWARF2_FRAME_INFO): Define to zero.
12422 * config/ia64/unwind-ia64.c: Remove code that compensated for
12423 the CFA offset error fixed above.
12424 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
12425 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
12426 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
12427 -funwind-tables and -fexceptions to enable frame info.
12428 (dwarf2out_frame_init): Define initial CFA even if
12429 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
12430 DWARF2_UNWIND_INFO is nonzero, not just defined.
12431 (dwarf2out_frame_finish): Output non-EH call frame info only
12432 if DWARF2_FRAME_INFO is nonzero.
12433 (convert_cfa_to_loc_list,
12434 compute_frame_pointer_to_cfa_displacement): Define even if
12435 unwind info is not supported.
12436 (gen_subprogram_die): Use the above unconditionally. Remove
12437 legacy alternate code.
12438 * toplev.c (compile_file): Compile in call to
12439 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
12440 (lang_dependent_init): Ditto for dwarf2out_frame_init.
12442 2006-02-04 David Edelsohn <edelsohn@gnu.org>
12443 Jakub Jelinek <jakub@redhat.com>
12445 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
12446 IBM extended float format long double as "g" on powerpc*-linux.
12448 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12451 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
12452 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
12454 2006-02-03 Jason Merrill <jason@redhat.com>
12457 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
12459 PR middle-end/25977
12460 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
12461 on the return slot if it's an NRV.
12463 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
12465 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
12466 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
12467 rewrite_use): Do not handle USE_OUTER.
12468 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
12469 add_iv_outer_candidates, may_replace_final_value,
12470 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
12471 (find_interesting_uses_op): Functionality of
12472 find_interesting_uses_outer_or_nonlin moved here.
12473 (find_interesting_uses_outside): Use find_interesting_uses_op.
12475 2006-02-03 Alan Modra <amodra@bigpond.net.au>
12478 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
12480 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
12481 Ulrich Weigand <uweigand@de.ibm.com>
12484 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
12485 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
12486 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
12487 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
12489 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
12490 (s390_rtx_costs): Use the new fields to calculate rtx costs.
12491 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
12492 Define secondary reloads for TFmode moves.
12493 (constant_modes): Add TFmode.
12494 (NR_C_MODES): Set to 8.
12495 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
12497 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
12498 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
12499 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
12500 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
12501 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
12502 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
12503 (FPR mode macro): Add TFmode.
12504 (DSF mode macro): New.
12505 (<de>, <dee> mode attributes): Removed.
12506 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
12507 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
12508 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
12509 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
12510 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
12511 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
12512 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
12513 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
12514 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
12515 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
12516 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
12517 "*negabs<mode>2", "sqrt<mode>2"):
12518 Changed <de> to <xde>. R constraint replaced by <Rf>.
12519 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
12521 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
12522 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
12523 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
12525 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
12526 "extenddftf2", "extendsftf2"): New expanders.
12527 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
12528 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
12529 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
12530 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
12532 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
12533 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
12534 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
12535 __floatditf): Add a GCC_4.1.0 symbol version tag.
12536 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
12539 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
12542 * config/i386/i386.c (ix86_function_ok_for_sibcall):
12543 Use targetm.binds_local_p instead of TREE_PUBLIC.
12545 2006-02-02 Roger Sayle <roger@eyesopen.com>
12547 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
12548 on INTEGER_TYPEs to indicate that it denotes a character type.
12549 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
12550 signed_char_type_node, unsigned_char_type_node and char_type_node.
12551 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
12552 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
12553 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
12555 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
12556 Daniel Berlin <dberlin@dberlin.org>
12558 * tree-tailcall.c (arg_needs_copy_p): New function.
12559 (eliminate_tail_call): Use arg_needs_copy_p.
12560 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
12561 (add_virtual_phis): New function.
12563 2006-02-02 Jakub Jelinek <jakub@redhat.com>
12565 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
12566 #ignore instead of #scratch for %g7 .register directive.
12568 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
12570 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
12573 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12575 * flow.c (calculate_global_regs_live): Assert that there aren't any
12578 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
12580 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
12581 what its name says.
12582 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
12583 bsi_after_labels iterator.
12584 * tree-if-conv.c (find_phi_replacement_condition,
12585 replace_phi_with_cond_modify_expr): Likewise.
12586 * tree-scalar-evolution.c (scev_const_prop): Likewise.
12587 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
12589 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12591 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
12593 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12596 * tree-cfg.c (move_block_to_fn): Clear out the basic block
12597 array after growing it.
12599 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12601 PR middle-end/24901
12602 * fold-const.c (fold_checksum_tree): Change type of buf.
12604 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
12606 * reload.c (push_secondary_reload): Initialize t_icode.
12608 2006-02-01 Jakub Jelinek <jakub@redhat.com>
12610 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
12611 -msoft-float -mlong-double-128 only issue a warning, but don't
12612 swich to DFmode long double.
12614 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
12616 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
12617 has a constant equivalent, iterate over equivalents for arg0,
12618 calling simplify_relational_operation and if there's a result
12619 cheaper than X, apply fold_rtx and return the result.
12621 2006-02-01 Jan Hubicka <jh@suse.cz>
12623 * opts.c (no_unit_at_a_time_default): New global variable.
12624 (decode_options): Use it.
12625 * opts.h (no_unit_at_a_time_default): Declare.
12627 2006-02-01 Paul Brook <paul@codesourcery.com>
12629 * function.c (assign_parm_setup_reg): Use function argument promotion
12631 * expr.c (expand_expr_real_1): Use function argument promotion rules
12634 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12636 * gcc.c (process_command): Change j to 'unsigned int'.
12638 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12640 PR middle-end/26001
12641 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
12642 Use the corrected index for the character
12643 out of the string constant.
12645 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12647 * mode-switching.c (optimize_mode_switching): Fix size
12648 allocated for bb_info[n_entities].
12650 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12652 * gcc.c (main): Correct type that is allocated for
12653 explicit_link_files.
12655 2006-01-31 Jakub Jelinek <jakub@redhat.com>
12657 * config/s390/s390.c (init_alignment_context): Set
12658 ALIAS_SET_MEMORY_BARRIER on the MEM.
12659 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
12661 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
12663 PR middle-end/25933
12664 * loop-unroll.c (unroll_loop_runtime_iterations): Free
12666 * tree-ssa-live.c (type_var_init): Allocate bitmap after
12669 2006-01-31 Marcin Dalecki <martin@dalecki.de>
12671 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
12672 * regrename.c: Ditto.
12673 * tree-ssa-loop-im.c: Ditto.
12674 * tree-dump.c: Ditto.
12675 * tree-complex.c: Ditto.
12676 * genrecog.c: Ditto.
12677 * tree-ssa-threadupdate.c: Ditto.
12679 * java/class.c: Ditto.
12680 * java/jcf-parse.c: Ditto.
12681 * java/resource.c: Ditto.
12682 * java/except.c: Ditto.
12683 * java/jvspec.c: Ditto.
12684 * java/jcf-write.c: Ditto.
12685 * java/jcf-path.c: Ditto.
12686 * java/gjavah.c: Ditto.
12687 * java/zextract.c: Ditto.
12688 * java/jcf-io.c: Ditto.
12689 * java/jcf.h: Ditto.
12690 * java/buffer.c: Ditto.
12691 * java/lang.c: Ditto.
12692 * java/parse-scan.y: Ditto.
12693 * java/lex.c: Ditto.
12694 * java/lex.h: Ditto.
12695 * cfgloopmanip.c: Ditto.
12696 * postreload-gcse.c: Ditto.
12697 * tree-ssa-loop-manip.c: Ditto.
12698 * postreload.c: Ditto.
12699 * tree-ssa-loop-ch.c: Ditto.
12702 * cppspec.c: Ditto.
12703 * diagnostic.c: Ditto.
12705 * genoutput.c: Ditto.
12707 * cfghooks.c: Ditto.
12708 * cfgloopanal.c: Ditto.
12709 * objc/objc-act.c: Ditto.
12711 * genextract.c: Ditto.
12712 * genautomata.c: Ditto.
12713 * pretty-print.c: Ditto.
12714 * genemit.c: Ditto.
12715 * cgraphunit.c: Ditto.
12717 * df-scan.c: Ditto.
12718 * haifa-sched.c: Ditto.
12719 * dominance.c: Ditto.
12721 * tree-ssa-loop-ivopts.c: Ditto.
12722 * df-core.c: Ditto.
12723 * mode-switching.c: Ditto.
12724 * modulo-sched.c: Ditto.
12726 * ipa-pure-const.c: Ditto.
12728 * fix-header.c: Ditto.
12730 * tree-stdarg.c: Ditto.
12731 * ipa-utils.c: Ditto.
12732 * loop-init.c: Ditto.
12733 * ipa-inline.c: Ditto.
12734 * cfganal.c: Ditto.
12736 * alloc-pool.c: Ditto.
12737 * dwarf2out.c: Ditto.
12739 * genattrtab.c: Ditto.
12740 * tree-ssa-loop-ivcanon.c: Ditto.
12741 * predict.c: Ditto.
12742 * timevar.c: Ditto.
12744 * fortran/gfortranspec.c: Ditto.
12745 * regmove.c: Ditto.
12746 * local-alloc.c: Ditto.
12747 * langhooks.c: Ditto.
12748 * function.c: Ditto.
12749 * tree-vectorizer.c: Ditto.
12751 * ipa-type-escape.c: Ditto.
12753 * tree-if-conv.c: Ditto.
12754 * profile.c: Ditto.
12756 * tree-data-ref.c: Ditto.
12757 * loop-unroll.c: Ditto.
12758 * treelang/treetree.c: Ditto.
12760 * bt-load.c: Ditto.
12761 * ggc-common.c: Ditto.
12763 * coverage.c: Ditto.
12765 * tree-cfgcleanup.c: Ditto.
12766 * tree-ssa-pre.c: Ditto.
12767 * cfgcleanup.c: Ditto.
12768 * loop-invariant.c: Ditto.
12769 * loop-iv.c: Ditto.
12770 * ipa-prop.c: Ditto.
12771 * print-tree.c: Ditto.
12772 * conflict.c: Ditto.
12773 * ggc-page.c: Ditto.
12774 * sched-deps.c: Ditto.
12775 * regclass.c: Ditto.
12776 * tree-object-size.c: Ditto.
12777 * combine.c: Ditto.
12778 * bb-reorder.c: Ditto.
12779 * resource.c: Ditto.
12780 * var-tracking.c: Ditto.
12781 * cfgloop.c: Ditto.
12782 * df-problems.c: Ditto.
12783 * reg-stack.c: Ditto.
12785 * gccspec.c: Ditto.
12786 * sched-rgn.c: Ditto.
12787 * tree-ssa-structalias.c: Ditto.
12788 * tree-ssa-reassoc.c: Ditto.
12789 * config/darwin-c.c: Ditto.
12790 * config/darwin.c: Ditto.
12791 * config/arm/arm.c: Ditto.
12793 * collect2.c: Ditto.
12794 * reload1.c: Ditto.
12796 2006-01-31 Nicolas Pitre <nico@cam.org>
12798 * arm.md (smaxsi3): Make aware of smax_m1.
12801 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
12803 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
12805 2006-01-31 Richard Guenther <rguenther@suse.de>
12807 * doc/invoke.texi (-msselibm): Document.
12808 * target.h (expand_library_builtin): New target hook.
12809 * builtins.c (expand_builtin): Use expand_library_builtin.
12810 (default_expand_library_builtin): New function.
12811 * gcc.c (LINK_GCC_MATH_SPEC): Define.
12812 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
12813 (link_gcc_math_spec): Declare.
12814 (static_specs): Add link_gcc_math_spec.
12815 * expr.h (default_expand_library_builtin): Declare.
12816 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12817 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
12818 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
12819 * config/i386/i386.opt (msselibm): New target option.
12820 * config/i386/i386.c (ix86_builtin_function_variants): New array.
12821 (ix86_init_sse_abi_builtins): New function.
12822 (ix86_expand_library_builtin): Likewise.
12823 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12824 (override_options): Handle error conditions wrt -msselibm.
12825 (ix86_builtins): Add function codes for SSE2 ABI builtins.
12826 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
12827 * doc/extend.texi (__builtin_sse2_*): Document new target specific
12830 2006-01-31 Richard Guenther <rguenther@suse.de>
12831 Paolo Bonzini <bonzini@gnu.org>
12833 * doc/install.texi (--disable-libgcc-math): Document.
12835 2006-01-30 Marcin Dalecki <martin@dalecki.de>
12837 * expr.h (expand_normal): new inline function.
12838 * builtins.c: use it, use EXPAND_NORMAL explicitely.
12839 * dojump.c: use it.
12840 * dwarf2out.c: use it.
12843 * expmed.c: use it.
12844 * except.c: use it.
12845 * config/sparc/sparc.c: use it.
12846 * config/i386/i386.c: use it.
12847 * config/rs6000/rs6000.c: use it.
12848 * config/arm/arm.c: use it.
12849 * config/mips/mips.c: use it.
12850 * stmt.c: use it, use EXPAND_NORMAL explicitely.
12852 2006-01-30 Roger Sayle <roger@eyesopen.com>
12854 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
12855 argv to the appropriate type.
12857 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
12859 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
12862 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
12865 * config/s390/s390.c (struct machine_function): New flag
12866 decomposed_literal_pool_addresses_ok_p.
12867 (s390_reorg): Set it before final stage of literal pool transforms.
12868 (s390_decompose_address): Only accept displacements of the form
12869 (minus (label_ref ...) (label_ref ...)) if that flag is set.
12871 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
12873 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
12874 the comparison routine return.
12876 2006-01-30 Michael Matz <matz@suse.de>
12878 * global.c (find_reg): Only evict for global regs.
12879 Take n_refs into account and dump more info.
12881 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
12884 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
12885 (pragma_trap, pragma_nosave_low_regs): Likewise.
12886 (current_function_anonymous_args): Likewise.
12887 (sh_deferred_function_attributes): New variable.
12888 (sh_deferred_function_attributes_tail): Likewise.
12889 (print_operand): For '@', look up trap_exit attribute.
12890 (calc_live_regs): Look up trapa_handler attribute. For trapa
12891 handlers, save/restore fpscr, but don't do any other
12892 interrupt-specific saves.
12893 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
12894 Fix check for partially saved registers to check for SHmedia.
12895 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
12896 (sh_output_function_epilogue): Don't clear any of the removed
12898 (sh_insert_attributes): Don't check pragma_interrupt.
12899 Insert deferred attributes. Check that interrupt attribute is
12900 present for other attributes that require its presence.
12901 (sh_attribute_table): Add new attributes trapa_handler and
12903 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
12904 Don't check for pragma_interrupt. Don't store argument.
12905 * sh.h (pragma_interrupt, sp_switch): Don't declare.
12906 (sh_deferred_function_attributes): Declare.
12907 (sh_deferred_function_attributes_tail): Likewise.
12908 * sh.md (sp_switch_1): Add operand. Change generator caller.
12909 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
12910 (*return_i): Don't use when trap_exit attribute is in effect.
12911 (*return_trapa): New insn pattern.
12912 * sh-c.c: New file.
12913 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
12914 setting c_target_objs and cxx_target_objs.
12915 * t-sh: Add rule for sh-c.o.
12917 2006-01-30 Richard Guenther <rguenther@suse.de>
12920 * gimplify.c (gimplify_target_expr): Handle easy cases
12921 without creating a temporary.
12923 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
12925 * vec.h (safe_grow): Remove duplicated line.
12927 2006-01-29 Diego Novillo <dnovillo@redhat.com>
12930 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
12931 (expand_omp): ... here.
12932 (expand_omp_parallel): Only remove barriers for combined
12933 parallel+workshare constructs.
12935 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
12939 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
12940 * tree.c (build_qualified_type): Chain the new type to the original
12941 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
12942 a POINTER_TYPE or a REFERENCE_TYPE respectively.
12943 (build_pointer_type_for_mode): Only return unqualified types.
12944 (build_reference_type_for_mode): Likewise.
12946 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
12948 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
12949 * Makefile.in (CXX_COMPAT_WARN): Define.
12950 * configure: Regenerate.
12952 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
12955 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
12958 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12960 * toplev.c: Fix thinko.
12962 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12963 Marcin Dalecki <martin@dalecki.de>
12965 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
12966 (push_srcloc): Use XNEW.
12967 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
12969 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
12971 * df-core.c (df_set_blocks): Deleted all variable.
12973 2006-01-28 Ian Lance Taylor <ian@airs.com>
12975 * cgraphunit.c (cgraph_assemble_pending_functions): Call
12976 cgraph_output_pending_asms.
12978 2006-01-28 Zack Weinberg <zackw@panix.com>
12980 * c.opt: Add -W(no-)overlength-strings.
12981 * doc/invoke.texi: Document it.
12982 * c-opts.c (c_common_handle_option): -pedantic implies
12983 -Woverlength-strings, if not explicitly disabled already.
12984 (c_common_post_options): -Woverlength-strings defaults to off, and
12985 is always off for C++.
12986 * c-common.c (fix_string_type): Issue warning about strings longer
12987 than is portable only if warn_overlength_strings. Rearrange code
12988 a little for clarity.
12989 * configure.in: Check for -Wno-overlength-strings as well before
12990 enabling -pedantic in stage 1.
12991 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
12992 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
12994 * genconditions.c (write_header, write_one_condition)
12995 (write_conditions, write_writer): Consolidate very long strings
12996 that were broken up to fit in C89 portable limit. Don't use
12997 printf when fputs will do.
12999 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13001 * combine.c (simplify_comparison <AND>): Check
13002 TRULY_NOOP_TRUNCATION before start using a subreg.
13004 * config/mips/mips.md (*branch_zero<mode>,
13005 *branch_zero<mode>_inverted, *branch_equality<mode>,
13006 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13007 Remove mode check from comparisons.
13009 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13011 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13013 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13015 * expmed.c (const_mult_add_overflow_p): Remove.
13016 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13018 * recog.c (validate_replace_rtx_subexp): Remove.
13019 * recog.h: Remove the prototype for
13020 validate_replace_rtx_subexp.
13022 * integrate.h: Remove the prototype for
13023 copy_decl_for_inlining.
13024 * rtl.h: Remove the prototype for mark_constant_function.
13025 * tree-vectorizer.h: Remove the prototype for
13026 vect_strip_conversion.
13028 * modulo-sched.c (create_partial_schedule,
13029 free_partial_schedule, reset_partial_schedule): Make them
13032 * hooks.c (hook_bool_rtx_int_false): Remove.
13033 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13035 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13037 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13038 and -mlong-double-128 are incompatible.
13039 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13040 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13041 (TARGET_LIBGCC2_CFLAGS): Define.
13042 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13043 (TARGET_LIBGCC2_CFLAGS): Same.
13044 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13046 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13049 * c-typeck.c (build_binary_op): Perform implicit casts of
13050 operands before shortening them.
13052 * cfgloopmanip.c (split_loop_bb): Remove.
13053 * cfgloop.h: Remove the prototype for split_loop_bb.
13055 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13056 * cfgloop.h: Remove the prototype for
13057 flow_loop_outside_edge_p.
13059 * emit-rtl.c (init_virtual_regs): Make it static.
13060 * function.h: Remove the prototype for init_virtual_regs.
13062 * recog.c (peephole2_optimize): Make it static.
13063 * recog.h: Remove the prototype for peephole2_optimize.
13065 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13067 * df-scan.c (df_record_entry_block_defs): Check if
13068 INCOMING_RETURN_ADDR_RTX is defined.
13070 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
13071 Kenneth Zadeck <zadeck@naturalbridge.com>
13073 PR rtl-optimization/24762
13074 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13075 * targhooks.c (hook_void_bitmap): New hook prototype.
13076 * targhoohs.h (hook_void_bitmap): Ditto.
13077 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
13078 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
13079 * target.h (live_on_entry): New function pointer.
13080 * df-scan.c (df_all_hard_regs): Removed.
13081 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
13082 (df_scan_free_internal): Added df->entry_block_defs.
13083 (df_scan_alloc): Ditto.
13084 (df_scan_dump): Ditto.
13085 (df_uses_record): Plumbed flag field properly thru calls.
13086 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
13087 This part fixes PR24762.
13088 (df_bb_refs_record): Added code to make the frame and arg
13089 pointers live in EH blocks.
13090 (df_refs_record): Added call to df_record_entry_block_defs.
13091 (df_record_entry_block_defs): New function.
13092 * df-core.c: Added comments to describe new artifical defs.
13093 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
13094 (entry_block_defs): New field in struct df.
13095 (df_all_hard_regs): Deleted.
13096 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13097 * df-problems.c (df_ru_bb_local_compute_process_def):
13098 Added code to handle artifical defs in the entry to a function.
13099 (df_ru_bb_local_compute): Ditto.
13100 (df_rd_bb_local_compute_process_def): Ditto.
13101 (df_rd_bb_local_compute): Ditto.
13102 (df_lr_bb_local_compute): Ditto.
13103 (df_ur_bb_local_compute): Ditto.
13104 (df_urec_bb_local_compute): Ditto.
13105 (df_chain_create_bb): Ditto.
13106 (df_ur_local_finalize): Removed entry.
13107 (df_urec_init): Ditto.
13108 (df_urec_local_finalize): Ditto.
13109 (df_ri_bb_compute): Added detection of last use of pseudos.
13110 * Makefile.in (df-scan.o): Updated dependencies.
13111 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
13112 * config/mips/mips.c (mips_set_live_on_entry): Added.
13113 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
13115 * dce.c (marked_insn_p): Added code to handle artifical defs.
13117 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13119 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
13121 (_mm_cvtsi128_si64): Likewise.
13122 (_mm_cvtsd_si64): Likewise.
13123 (_mm_cvttsd_si64): Likewise.
13124 (_mm_cvtsi64_sd): Likewise.
13125 (_mm_cvtsi64_si128): Likewise.
13126 * config/i386/mmintrin.h (_m_from_int64): Likewise.
13127 (_mm_cvtsi64_m64): Likewise.
13128 (_m_to_int64): Likewise.
13129 (_mm_cvtm64_si64): Likewise.
13130 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
13131 (_mm_cvttss_si64): Likewise.
13132 (_mm_cvtsi64_ss): Likewise.
13133 (_mm_cvtss_f32): Likewise.
13135 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
13137 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
13138 for pragma redefine_extname.
13140 2006-01-27 Jakub Jelinek <jakub@redhat.com>
13143 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
13144 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
13145 -mno-minimal-toc to previous content.
13146 (bispecs): Remove goal.
13147 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
13148 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
13149 compatibility aliases on powerpc-*-*gnu*.
13150 * config/rs6000/libgcc-ppc-glibc.ver: New file.
13151 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
13152 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
13153 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
13154 (ldblspecs): New goal.
13155 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
13156 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
13158 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
13159 L_sf_to_tf or L_df_to_tf is defined.
13161 2006-01-27 David Edelsohn <edelsohn@gnu.org>
13162 Alan Modra <amodra@bigpond.net.au>
13165 * config/rs6000/linux.h (POWERPC_LINUX): Define.
13166 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
13167 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
13168 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
13169 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
13170 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
13171 (rs6000_override_options): Initialize rs6000_ieeequad.
13172 Initialize TFmode format to ibm_extended_format if not
13174 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
13176 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
13177 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
13178 (function_arg_advance): IBM long double passed in two FPRs, not
13180 (function_arg): IBM long double passed in FPRs.
13181 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
13182 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
13183 Only multireg GPR aligned.
13184 (rs6000_init_libfuncs): Enable IBM long double functions if not
13186 (rs6000_generate_compare): Use IBM long double compare if not
13188 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
13189 (TARGET_IEEEQUAD): Define.
13190 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
13191 not TARGET_IEEEQUAD.
13192 * config/rs6000/rs6000.md: Enable TFmode patterns if
13194 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
13195 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13196 and -mlong-double-128 are incompatible.
13197 * doc/invoke.texi (-mabi): Collect options together. Add
13198 ibmlongdouble and ieeelongdouble.
13200 2006-01-27 Richard Sandiford <richard@codesourcery.com>
13202 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
13204 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
13205 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
13206 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
13207 * rtl.h (rtunion_def): Remove rt_ptr.
13209 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
13210 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
13211 * config/i386/winnt.c (i386_pe_mark_dllexport)
13212 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
13214 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
13216 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
13218 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13222 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
13223 pthread_key_delete. From John David Anglin. gthrw-ify
13224 pthread_getunique_np only if it it's not a macro. Delete
13226 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
13227 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
13228 __gthread_objc_condition_signal, __gthread_key_delete): Add
13229 "__attribute__ ((__unused__))" to unused arguments.
13230 (__gthread_recursive_mutex_init_function): Add missing return.
13231 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
13232 gthr-posix95.h: Use macro-based approach for name redirection
13233 on targets missing weakref.
13235 2006-01-26 Zack Weinberg <zackw@panix.com>
13237 * genconditions.c (write_header): In generated code, #ifdef out
13238 all includes and fake declarations, except includes of bconfig.h
13239 and system.h, unless GCC_VERSION >= 3001. Do not include
13240 gensupport.h in any case.
13241 (write_conditions): Generate a definition of struct c_test. Add
13242 a comment to the generated #endif.
13243 (write_one_condition): Escape backslashes in string too.
13244 (write_writer): Generated code must escape backslashes and quote
13245 marks (but not newlines) in the strings it writes.
13246 * Makefile.in (build/gencondmd.o): Update dependencies.
13248 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13251 * Makefile.in (insn-automata.o): Add header file dependencies.
13252 * genautomata.c: Add includes.
13254 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13257 * Makefile.in (insn-automata.o): Add -Wno-error flag.
13259 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13261 * configure.ac: Expect target tools paths to be passed from the toplevel
13262 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
13264 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
13266 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13269 * c.opt (Wpointer-sign): Init to -1.
13270 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
13271 OPT_pedantic, to 0 otherwise.
13272 * doc/invoke.texi: Update.
13274 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13276 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
13277 constants provided by 80387 instructions in the destination mode.
13279 2006-01-26 Richard Guenther <rguenther@suse.de>
13280 Andrew Pinski <pinskia@physics.uc.edu>
13283 partial PR tree-opt/17064
13284 * tree-ssa-structalias.c (intra_create_variable_infos):
13285 Create heap variables for incoming parameters if
13286 flag_argument_noalias > 1.
13287 (find_what_p_points_to): Look through default defs of
13290 2006-01-26 Jeff Law <law@redhat.com>
13293 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
13294 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
13295 within the VR_RANGE, use the VR_RANGE as the result, not the
13297 (adjust_range_with_scev): Reject ranges from SCEV which are out of
13298 bounds for the type.
13300 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
13302 * tree-ssa-alias.c (maybe_create_global_var): Change
13303 subvar walking to an assertion that we don't have subvar'd variables.
13305 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
13308 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
13309 Use a new variable, inner. PARM_DECLs are always non-weak.
13311 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
13313 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
13314 --disable-checking.
13316 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
13318 * config/mips/mips.md (*clear_upper32): New combiner pattern.
13320 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
13322 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
13323 (smax_insn, smin_insn, smax_0, smin_0): New.
13325 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
13328 * config/cris/cris.c (cris_order_for_addsi3): New function.
13329 * config/cris/cris-protos.h: Prototype it.
13330 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
13331 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
13332 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
13333 (split for "op.S1 [rx=rx+i],ry (swapped)")
13334 (split for "op(s|u).S1 [rx=rx+i],ry")
13335 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
13336 Apply cris_order_for_addsi3 when generating addsi3 insns.
13338 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13340 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
13341 (TREE_BLOCK): Add call to EXPR_CHECK.
13343 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13346 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
13347 * tree-pretty-print.c (dump_omp_clause): Extract from ...
13348 (dump_omp_clauses): ... here.
13349 (dump_generic_node): Handle OMP_CLAUSE.
13350 * tree.c (omp_clause_num_ops): New.
13351 (omp_clause_code_name): New.
13352 (tree_code_size): Handle OMP_CLAUSE.
13353 (tree_size): Likewise.
13354 (make_node): Document handling of OMP_CLAUSE.
13355 (tree_node_structure): Handle OMP_CLAUSE.
13356 (omp_clause_check_failed): New.
13357 (omp_clause_range_check_failed): New.
13358 (omp_clause_operand_check_failed): New.
13359 (build_omp_clause): New.
13360 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
13361 * tree.h (enum omp_clause_code): Declare.
13362 (OMP_CLAUSE_SUBCODE_CHECK): Define.
13363 (OMP_CLAUSE_RANGE_CHECK): Define.
13364 (OMP_CLAUSE_ELT_CHECK): Define.
13365 (omp_clause_check_failed): Declare.
13366 (omp_clause_operand_check_failed): Declare.
13367 (omp_clause_range_check_failed): Declare.
13368 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
13369 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
13370 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
13371 (OMP_CLAUSE_LASTPRIVATE): Likewise.
13372 (OMP_CLAUSE_IF_EXPR): Likewise.
13373 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
13374 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
13375 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
13376 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
13377 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
13378 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
13379 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
13380 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
13381 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
13382 (OMP_CLAUSE_CODE): Define.
13383 (OMP_CLAUSE_SET_CODE): Define.
13384 (OMP_CLAUSE_CODE): Define.
13385 (OMP_CLAUSE_OPERAND): Define.
13386 (struct tree_omp_clause): Declare.
13387 (union tree_node): Add field 'omp_clause'.
13388 * treestruct.def (TS_OMP_CLAUSE): Define.
13389 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
13390 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
13391 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
13392 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
13393 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
13394 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
13395 (OMP_CLAUSE): Define.
13396 * print-tree.c (print_node): Handle OMP_CLAUSE.
13397 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
13398 * c-typeck.c: Likewise.
13399 * gimplify.c: Likewise.
13400 * c-omp.c: Likewise.
13401 * tree-nested.c: Likewise.
13402 * tree-inline.c: Likewise.
13403 * c-parser.c: Likewise.
13404 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
13407 2006-01-25 Roger Sayle <roger@eyesopen.com>
13409 PR rtl-optimization/25703
13410 * combine.c (try_combine): Handle zero_extract and strict_low_part
13411 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
13413 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
13415 * global.c: Fix comment typos.
13417 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
13420 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
13421 Use output_addr_const instead of assemble_name.
13423 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
13425 * Makefile.in (sched-vis.o): Update dependencies.
13426 * haifa-sched.c (sched_finish): Clear current_sched_info.
13427 * cfg.c (dump_bb_info): New, split from dump_flow_info.
13428 (dump_flow_info): Call it.
13429 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
13431 * basic-block.h (dump_bb_info): Declare.
13432 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
13433 option, and apply options only for dump files whose TDF_RTL,
13434 TDF_TREE, or TDF_IPA bits match.
13435 * rtl.h: Declare new functions exported from sched-vis.c.
13436 * sched-vis.c: Enable also if scheduling is not used.
13437 (print_value): Print the mode of registers if not inside scheduling.
13438 (print_insn): Make it work outside the scheduler. Beautify the output
13440 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
13442 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13444 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
13445 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
13446 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
13447 depending on the value of CONSTANT_POOL_ADDRESS_P.
13448 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
13450 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
13451 rather than SYMBOL_REF_DECL.
13452 (rtx_constant_pool): Remove const_rtx_sym_htab.
13453 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
13454 (init_varasm_status): Don't initialize const_rtx_sym_htab.
13455 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
13456 Remove handling of const_rtx_sym_htab.
13457 (find_pool_constant): Delete.
13458 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
13459 rather than find_pool_constant.
13460 (get_pool_constant_for_function): Delete.
13461 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
13462 find_pool_constant.
13463 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
13464 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
13465 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
13466 (SYMBOL_REF_CONSTANT): New macro.
13467 (get_pool_constant_for_function): Delete.
13468 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
13469 rather than SYMBOL_REF_DECL.
13470 (i386_pe_mark_dllimport): Likewise.
13471 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
13472 rather than SYMBOL_REF_DECL.
13473 * config/darwin.c (machopic_indirect_data_reference): Likewise.
13474 (machopic_indirect_call_target): Likewise.
13476 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
13478 * flow.c (delete_noop_moves): Add missing EOL to dump message.
13480 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13482 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
13484 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
13486 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
13488 2006-01-24 David Daney <ddaney@avtrex.com>
13491 * configure.ac (enable_tls): New enable option.
13492 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
13493 * configure: Regenerate.
13494 * doc/install.texi (--enable-tls): Document new option.
13495 (--disable-tls): Ditto.
13497 2006-01-24 Richard Henderson <rth@redehat.com>
13499 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
13500 * alias.c (true_dependence): Respect it.
13501 (canon_true_dependence, write_dependence_p): Likewise.
13502 * builtins.c (get_builtin_sync_mem): Set it.
13504 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
13506 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
13509 2006-01-24 DJ Delorie <dj@redhat.com>
13511 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
13512 for storing constants in single-bit bitfields.
13514 2006-01-25 Ben Elliston <bje@au.ibm.com>
13516 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
13518 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
13521 * tree-ssa-pre.c (phi_translate): Return NULL
13522 for AGGREGATE_TYPE's.
13524 2006-01-24 Zack Weinberg <zackw@panix.com>
13526 * genautomata.c (process_state_for_insn_equiv_partition):
13527 Use xcalloc for insn_arcs_array.
13528 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
13529 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
13531 2006-01-24 Richard Henderson <rth@redhat.com>
13533 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
13534 update all callers.
13536 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
13538 PR rtl-optimization/25890
13539 PR rtl-optimization/25905
13540 * combine.c (expand_compound_operation, expand_field_assignment):
13541 Fail if the bitfield's final position is out of bounds.
13543 2006-01-24 Ian Lance Taylor <ian@airs.com>
13545 PR middle-end/25930
13546 * cgraphunit.c (cgraph_output_in_order): Don't clear
13547 cgraph_asm_nodes until after asm strings have been output.
13549 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
13551 * fix-header.c (read_scan_file): Add new parameter imultilib when
13552 calling register_include_chains.
13554 2006-01-23 Diego Novillo <dnovillo@redhat.com>
13556 * omp-low.c: Update documentation.
13558 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13559 Daniel Berlin <dberlin@dberlin.org>
13563 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
13564 return from the function.
13566 2006-01-22 Zack Weinberg <zackw@panix.com>
13568 * rtl.def (match_code): Add second argument.
13569 * genpreds.c (write_extract_subexp): New function.
13570 (write_match_code): Add path argument. Use write_extract_subexp.
13571 (write_predicate_expr): Pass path to write_match_code.
13572 (mark_mode_tests): MATCH_CODE applied to a subexpression does
13573 not perform a mode test.
13574 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
13575 a subexpression does not constrain the top-level code set.
13576 * read-rtl.c (read_rtx_variadic): New function.
13577 (read_rtx_1): Use it; allow AND and IOR to be variadic.
13578 * doc/md.texi: Document new notation.
13579 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
13580 (cmpsi_operand): ... here, using new notation.
13582 2006-01-22 Zack Weinberg <zackw@panix.com>
13584 * varray.c: Remove GENERATOR_FILE #ifdefs.
13586 2006-01-22 Zack Weinberg <zackw@panix.com>
13588 * genautomata.c (output_reserved_units_table): Emit nothing if
13589 description->query_units_num is zero. Remove extra blank line.
13590 (output_cpu_unit_reservation_p): Short circuit
13591 if description->query_units_num is zero.
13593 2006-01-22 Zack Weinberg <zackw@panix.com>
13595 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
13596 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
13597 nor any of the random handful of variables that used to be necessary
13598 when this program was linked with rtlanal.o. Prune set of forward
13599 function declarations.
13600 (struct attr_desc): Remove static_p field.
13601 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
13602 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
13603 (attr_string): Do not read the character one past the length of
13605 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
13606 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
13607 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
13608 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
13609 (make_automaton_attrs): New.
13610 (main): Do not call into genautomata. Call local gen_bypass
13611 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
13612 Remove special case for insn_alts.
13613 * genautomata.c: Include gensupport.h; not genattrtab.h nor
13614 varray.h (leftover from previous change). Prune set of forward
13615 function declarations. Remove state_alts fields from all
13616 structures. Remove state_alts_table from struct automaton.
13617 Make everything except main static. Do not maintain num_dfa_decls.
13618 Do not maintain state_alts fields of various structures.
13619 (process_decls): Don't validate condexp for dm_insn_reserv decls.
13620 (add_arc): Remove state_alts argument. All callers updated.
13621 (output_reserved_units_table): Emit #ifdef here...
13622 (output_tables): ...not here. Don't generate state_alts tables.
13623 (expand_automata): Don't generate attributes.
13624 (write_automata): Don't generate state_alts functions.
13625 (main): New function.
13626 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
13627 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
13628 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
13629 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
13630 (BYPASS_P_FUNC_NAME, output_state_alts_table)
13631 (output_automata_list_state_alts_code, output_internal_state_alts_func)
13632 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
13633 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
13635 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
13636 * genattrtab.h: Delete file.
13637 * Makefile.in (OBJS-common): Add insn-automata.o.
13638 (insn-automata.o): New rule.
13639 (simple_generated_c): Add insn-automata.c.
13640 (build/genattrtab.o, build/genautomata.o): Update dependencies.
13641 (genprogmd): Add automata.
13642 (build/genattrtab): Needs no extra objects nor libraries.
13643 (build/genautomata): Needs build/vec.o and -lm.
13645 2006-01-22 Zack Weinberg <zackw@panix.com>
13647 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
13648 (output_dfa_max_issue_rate, locked_states_num): Delete.
13649 (struct automaton): Add locked_states field.
13650 (output_dead_lock_vect): Save number of locked states in
13651 automaton->locked_states. If it is zero, don't print anything.
13652 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
13653 (output_internal_dead_lock_func): Only test the dead_lock_vect
13654 for automata that have locked states.
13655 (output_statistics): Always print the number of locked states for
13656 each automaton. Calculate total number of locked states here.
13657 (write_automata): Don't call output_dfa_max_issue_rate.
13658 * genattrtab.c: Define length_unit_log as a const variable.
13659 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
13660 max_insn_queue_index const.
13661 * final.c (length_unit_log): Declare const.
13662 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
13664 2006-01-22 Zack Weinberg <zackw@panix.com>
13666 * genautomata.c: Include vec.h, not varray.h.
13667 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
13668 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
13669 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
13670 VEC_* macros operating on appropriately typed vectors, or to
13671 malloced arrays when the size is known in advance. Const-ify
13672 many char* variables and function arguments. No functional changes.
13673 * Makefile.in (build/varray.o): Delete rule.
13674 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
13675 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
13677 2006-01-22 Zack Weinberg <zackw@panix.com>
13679 * gensupport.c: Define get_insn_name and record_insn_name here.
13680 (read_md_rtx): Call record_insn_name as appropriate.
13681 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
13682 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
13683 * genpreds.c, genrecog.c: Don't define get_insn_name nor
13685 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
13686 (BUILD_VARRAY): Delete.
13687 (genprognormal): Rename genprogmd. Fold in all programs from
13688 genprognoprint; also attrtab.
13689 (build/genattrtab): Just mention genautomata.o and varray.o.
13690 Reorganize a bit, add comments to make the categories clearer.
13692 2006-01-22 Zack Weinberg <zackw@panix.com>
13694 * genconditions.c (condition_table, add_condition): Delete.
13695 (write_conditions): Don't emit n_insn_conditions nor
13696 insn_elision_unavailable. Issue the gcc version #ifdef here,
13697 inside the table, with no #else clause ...
13698 (write_header): ...not here.
13699 (write_writer): New function.
13700 (main): Don't initialize condition_table. Use add_c_test.
13702 * gensupport.c (init_md_reader_args_cb): Handle multiple input
13703 files on the command line.
13704 (maybe_eval_c_test): Don't check insn_elision_unavailable.
13705 Return -1 if there is no entry in the table, don't abort.
13706 (add_c_test, traverse_c_tests): New functions.
13707 * gensupport.h (insn_elision_unavailable, insn_conditions)
13708 (n_insn_conditions): Delete declarations.
13709 (add_c_test, traverse_c_tests): Declare.
13710 * read-rtl.c: Include gensupport.h.
13711 (read_conditions): New function.
13712 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
13713 (read_rtx_1): If we get EOF when we were looking for an initial
13714 open paren, return 0. Call read_conditions when appropriate.
13715 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
13716 dummy-conditions.o. Eliminate references to insn-conditions.o,
13717 or change them to build/gencondmd.o, as appropriate. Remove
13718 insn-constants.h from $(simple_generated_h) and insn-conditions.c
13719 from $(simple_generated_c). For all files remaining in those
13720 two lists, add insn-conditions.md to the generator command line.
13721 Give insn-constants.h/s-constants their own rules. Add rules
13722 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
13723 (build/read-rtl.o): Depend on gensupport.h.
13724 (genprognormal): Include preds.
13725 (genprogearly): Rename genprognoprint; only difference is now that
13726 they don't link with $(BUILD_PRINT).
13727 * dummy-conditions.c: Delete.
13729 2006-01-22 Zack Weinberg <zackw@panix.com>
13731 * genextract.c: Don't include insn-config.h. Do include vec.h.
13732 Declare vectors of int, char, and locstr.
13733 (locstr): New typedef.
13734 (struct extraction): Make all array fields into bare pointers.
13735 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
13736 (insn_code_number): Delete.
13737 (accum_extract): New struct.
13738 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
13739 (gen_insn): Take insn_code_number as an argument. Use an
13740 accum_extract structure instead of loading data directly into
13741 a struct extraction, and having to know how big it might get.
13742 (walk_rtx): Operate entirely on an accum_extract structure.
13743 (print_path): Avoid unnecessary use of printf.
13744 (print_header): New function, split out of main. Distinguish
13745 more carefully between an unrecognizable insn and an insn that
13746 has the code number of a define_expand.
13747 (main): Pass insn_code_number to gen_insn. Call print_header
13748 only after parsing. Avoid unnecessary use of printf.
13749 * Makefile.in (build/vec.o): New rule.
13750 (build/genextract): Depend on build/vec.o.
13751 (build/genextract.o): Don't depend on insn-config.h.
13753 2006-01-22 Zack Weinberg <zackw@panix.com>
13755 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
13756 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
13757 practical. Eliminate per-generator-program link rules.
13759 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13761 PR middle-end/24437
13762 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
13763 with a call expr to ...
13764 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
13766 2006-01-23 Richard Guenther <rguenther@suse.de>
13768 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
13769 before make_edge with conditional EDGE_TRUE_VALUE.
13771 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
13772 Jan Hubicka <jh@suse.cz>
13773 Richard Guenther <rguenther@suse.de>
13775 PR rtl-optimization/25654
13776 * cfgexpand.c (aggregate_contains_union_type): New function.
13777 (add_alias_set_conflicts): Call it. Make sure to add conflicts
13778 for structure variables that contain a union type.
13780 2006-01-23 Richard Sandiford <richard@codesourcery.com>
13782 * gengtype.c (new_structure): Return the structure.
13783 (create_option): Add an extra "next" argument.
13784 (create_field): New function.
13785 (adjust_field_rtx_def): Use create_option and create_field.
13786 Remove a now-unnecessary call to find_structure.
13787 (adjust_field_tree_def): Likewise.
13788 (note_yacc_type): Remove an unnecessary call to find_structure.
13789 * gengtype.h (new_structure): Return the structure.
13790 (create_option): Add an extra argument.
13791 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
13792 (option): Adjust calls to create_option.
13794 2006-01-22 David Edelsohn <edelsohn@gnu.org>
13796 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
13798 2006-01-22 Paul Brook <paul@codesourcery.com>
13799 Peter Barada <peter@the-baradas.com>
13801 * config/m68k/m68k.md: Add Coldfire FPU support.
13802 Define FP mode macro and associated attributes.
13803 Use it for float mode patterns.
13804 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
13805 (LIBCALL_VALUE): Use m68k_libcall_value.
13806 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
13807 (m68k_function_value): Ditto.
13808 (emit_move_sequence): Ditto.
13809 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
13810 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
13811 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
13812 (MULTILIB_EXCEPTIONS): Ditto.
13813 * config/m68k/m68k.opt: Add mcfv4e.
13814 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
13815 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
13816 (m68k_output_function_prologue): Save ColdFire FPU registers.
13817 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
13818 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
13819 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
13820 ColdFire FPU registers.
13821 (m68k_libcall_value, m68k_function_value): New functions.
13822 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
13823 (LIBCALL_VALUE): Use m68k_libcall_value.
13824 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
13825 (MASK_COLDFIRE): Add MASK_CFV4E.
13826 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
13827 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
13828 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
13829 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
13830 (GO_IF_LEGITIMATE_ADDRESS): Use it.
13831 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
13832 * doc/invoke.tex: Document -mcfv4e on m68k.
13834 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
13836 * doc/contribute.texi: Change CVS to SVN and update the corresponding
13839 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
13842 * c-opts.c (c_common_handle_option): Don't include
13843 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
13844 * doc/invoke.texi (C++ Dialect Options): Document that
13845 -Wnon-virtual-dtor is no longer included in -Wall.
13847 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
13849 * gcov.c (print_version), gcov-dump.c (print_version),
13850 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
13853 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
13855 * df-scan.c (problem_SCAN): Added NULL reset function.
13856 (df_scan_reset_blocks): Added code to call reset block function
13857 (df_bb_refs_delete) Fixed comment.
13858 (df_insn_refs_delete): Made tolerant of deleting non existent info
13859 for dataflow problems that need to be reset.
13860 * df-core.c (df_set_blocks): Ditto.
13861 * df.h (struct df_problem): Added reset_fun.
13862 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
13863 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
13864 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
13865 functions to clear out all references to def-use or use-def chains.
13867 2006-01-21 Ben Elliston <bje@au.ibm.com>
13869 * varasm.c (assemble_real): Initialise data array.
13871 2006-01-20 Paul Brook <paul@codesourcery.com>
13873 Merge from csl-arm-branch.
13874 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
13875 * config/arm/arm.md (movdi): Force operands[1] to a register
13876 if we have a non-register source.
13877 (*arm_movdi, *movdf_soft_insn): Require that one of the
13878 operands be a register.
13879 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
13880 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
13882 2006-01-20 DJ Delorie <dj@redhat.com>
13884 * varasm.c (initializer_constant_valid_p): Allow pointers
13885 initialized from integer constants of lesser precision.
13886 (output_constant): Allow non-int-sized pointer modes to be
13887 initialized from integer constants.
13889 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
13892 * cppdefault.h (struct default_include): Add multilib flag.
13893 * cppdefault.c (cpp_include_defaults): Set it.
13894 * c.opt (-imultilib): New option.
13895 * c-opts.c (imultilib): New.
13896 (c_common_handle_option): Handle -imultilib.
13897 (c_common_post_options): Likewise.
13898 * c-incpath.c (add_standard_paths, register_include_chains):
13900 * c-incpath.h (register_include_chains): Add extra parameter.
13901 * gcc.c (do_spec_1): Generate -imultilib option.
13902 (The Specs Language): Update %I description.
13903 (process_command): Update copyright notice.
13904 * doc/cppopts.texi (-imultilib): Document.
13905 * doc/invoke.texi (-imultilib): Include in option summary.
13906 (%I): Update specs documentation.
13908 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13910 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
13912 2006-01-20 Richard Sandiford <richard@codesourcery.com>
13914 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
13917 2006-01-20 Richard Guenther <rguenther@suse.de>
13918 Steven Bosscher <stevenb.gcc@gmail.com>
13920 PR rtl-optimization/24626
13921 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
13922 EDGE_TRUE_VALUE if in RTL mode.
13925 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
13926 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
13928 2006-01-20 Dirk Mueller <dmueller@suse.com>
13931 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
13932 instead of a special NOP marker.
13933 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
13934 NOP marker handling.
13935 * c-common.h (empty_body_warning): Add forward declaration.
13936 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
13937 Now uses IS_EMPTY_STMT() instead of special NOP markers.
13939 2006-01-20 Paul Brook <paul@codesourcery.com>
13941 * Makefile.in (lang_checks): Keep going if mkdir fails.
13943 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13945 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
13946 be able to clean out basic block when not necessary.
13947 (df_scan_free): Fixed to properly delete information if df is
13948 unused before calling df_finish.
13949 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
13950 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
13952 (df_bb_refs_delete): New function.
13953 (df_refs_delete): Moved per block code to df_bb_refs_delete.
13954 * df-core.c (df_set_blocks): Added code to properly clean out
13955 unused blocks if they are not part of the blocks to consider.
13956 Added additional null check.
13957 (df_compact_blocks): Added basic block parameter to free_bb_fun to
13958 be able to clean out basic block when not necessary
13959 * df.h (df_free_bb_function): Ditto.
13960 (df_bb_refs_delete): New function.
13961 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
13962 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
13963 basic block parameter to be able to clean out basic block when not
13965 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
13966 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
13967 Fixed to properly delete information if df is unused before
13970 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13972 PR rtl-optimization/25799
13973 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
13974 Corrected confluence operator to remove bits from op2 before oring
13975 with op1 rather than removing bits from op1.
13976 (df_ru_transfer_function): Corrected test on wrong bitmap which
13977 caused infinite loop. Both of these problems were introduced in
13978 the dataflow rewrite.
13980 2006-01-19 DJ Delorie <dj@redhat.com>
13982 * reload1.c (find_reload_regs): Note the details of reload
13983 failures in the dump file.
13984 (spill_failure): Likewise.
13986 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13988 * loop-iv.c: Include df.h and hashtab.h.
13989 (enum iv_grd_result): New enum.
13990 (DF_REF_IV, DF_REF_IV_SET): New macros.
13991 (struct biv_entry): New.
13992 (df, bivs): New global variables.
13993 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
13994 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
13996 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
13997 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
13998 analyzed_for_bivness_p, record_biv): New functions.
13999 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14000 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14001 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14003 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14005 (iv_number_of_iterations): Use new interface to iv analysis.
14006 * loop-unroll.c: Do not include varray.h.
14007 (analyze_iv_to_split_insn): Use new interface to iv
14009 * loop-unswitch.c (may_unswitch_on): Ditto.
14010 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14012 (df_bb_modify): Realloc tables to the new index.
14013 (df_find_use): New function.
14014 * df.h (df_find_use): Declare.
14015 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14017 * cfgloop.h (struct rtx_iv): Remove analysed field.
14018 (iv_get_reaching_def): Removed.
14019 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14020 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14021 (loop-iv.o): Add df.h and hashtab.h dependency.
14022 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14024 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14027 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14029 (__floatundisf, __floatundidf): Likewise.
14030 * libgcc2.h (IS_IBM_EXTENDED): Define.
14032 2006-01-19 DJ Delorie <dj@redhat.com>
14034 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14036 2006-01-19 Paul Brook <paul@codesourcery.com>
14038 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14039 as nothrow when unwinding tables are disabled.
14041 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14044 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14045 of bit-field" when in system header.
14047 2006-01-19 DJ Delorie <dj@redhat.com>
14049 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14050 the 16 bit shift limit of the m16c.
14052 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14055 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14056 * config/i386/i386.c (output_set_got): Output the label if we have one
14057 for the TARGET_DEEP_BRANCH_PREDICTION case.
14059 2006-01-19 Jan Hubicka <jh@suse.cz>
14060 H.J. Lu <hongjiu.lu@intel.com>
14061 Evandro Menezes <evandro.menezes@amd.com>
14063 * invoke.texi (generic): Document
14065 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
14066 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
14067 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
14068 (x86_use_incdec, x86_pad_returns): New variables
14069 (TARGET_CPU_DEFAULT_generic): New constant
14070 (TARGET_CPU_DEFAULT_NAMES): Add generic.
14071 (enum processor_type): Add generic32 and generic64.
14072 * i386.md (cpu attribute): Add generic32/generic64
14073 (movhi splitter): Behave sanely when both partial_reg_dependency and
14074 partial_reg_stall are set.
14075 (K8 splitters): Enable for generic as well.
14076 * predicates.md (incdec_operand): Use TARGET_INCDEC
14077 (aligned_operand): Avoid memory mismatch stalls.
14078 * athlon.md: Enable for generic64, new patterns for 128bit moves.
14079 * ppro.md: Enable for generic32
14080 * i386.c (generic64_cost, generic32_cost): New.
14081 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
14082 (x86_use_leave): Enable for generic64. (x86_use_sahf,
14083 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
14084 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
14085 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
14086 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
14087 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14088 x86_accumulate_outgoing_args, x86_prologue_using_move,
14089 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
14090 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
14091 Enable for generic.
14092 (x86_use_incdec, x86_pad_returns): New.
14093 (override_options): Add generic32 and generic64, translate "generic"
14094 to generic32/generic64 and "i686" to "generic32", refuse
14095 "generic32"/"generic64" as arch target.
14096 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
14097 (ix86_reorg): Honor PAD_RETURNS.
14099 2006-01-19 Diego Novillo <dnovillo@redhat.com>
14101 * tree-pretty-print.c (dump_generic_node): Handle
14102 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
14103 * cgraph.c (cgraph_expand_queue): Rename from
14104 cgraph_analyze_queue. Update all users.
14105 * cgraphunit.c (cgraph_assemble_pending_functions): Process
14106 cgraph_expand_queue.
14107 (cgraph_expand_all_functions): Likewise.
14108 (cgraph_finalize_pending_functions): Remove. Update callers.
14110 * tree.h (OMP_DIRECTIVE_P): Define.
14111 (OMP_PARALLEL_FN): Define.
14112 (OMP_PARALLEL_DATA_ARG): Define.
14113 (OMP_SECTIONS_SECTIONS): Define.
14114 * tree-pass.h (pass_expand_omp): Declare.
14115 * omp-low.c (struct omp_region): Declare.
14116 (struct omp_context): Remove fields 'parallel_type',
14117 'parallel_start_ix' and 'parallel_start_additional_args'.
14119 (struct omp_for_data): Rename from struct expand_omp_for_data.
14120 (omp_regions): New static variable.
14121 (root_omp_region): New static variable.
14122 (find_omp_clause): Make static.
14123 (is_in_combined_parallel_ctx): Remove.
14124 (is_combined_parallel): New.
14125 (extract_omp_for_data): Move earlier in the file.
14126 (workshare_safe_to_combine_p): New.
14127 (get_ws_args_for): New.
14128 (determine_parallel_type): Move earlier in the file.
14129 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
14131 (omp_copy_decl): Likewise.
14132 (create_omp_child_function): Likewise.
14133 (lookup_omp_region): New.
14134 (dump_omp_region): New.
14135 (debug_omp_region): New.
14136 (debug_all_omp_regions): New.
14137 (new_omp_region): New.
14138 (scan_omp_parallel): If parallel_nesting_level > 1, the
14139 directive is nested within another parallel directive.
14140 Set OMP_PARALLEL_FN.
14141 (scan_omp_for): Do not try to handle combined parallel+for
14143 Remove FIXME comment.
14144 (scan_omp_nested): Remove.
14145 (scan_omp_1): Do not call scan_omp_nested when
14146 parallel_nesting_level is > 1.
14147 Do not change the DECL_CONTEXT of local variables found.
14148 (lookup_decl_in_outer_ctx): New.
14149 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
14150 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
14151 (lower_reduction_clauses): Rename from expand_reduction_clauses.
14152 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
14153 If CTX is nested, lookup VAR in the outer context when
14154 building copy assignment.
14155 (lower_send_clauses): Rename from expand_send_clauses.
14156 If CTX is nested, lookup VAR in the outer context when
14157 building copy assignments.
14158 (lower_send_shared_vars): Rename from expand_send_shared_vars.
14159 If CTX is nested, lookup VAR in the outer context when
14160 building copy assignments.
14161 (expand_parallel_call): Rename from build_parallel_call.
14162 Handle combined parallel+workshare cases.
14163 Re-implement to emit code into the CFG.
14165 (expand_omp_parallel): Re-implement to emit code into the CFG.
14166 Call move_sese_region_to_fn to outline the sub-graph
14167 containing the parallel region.
14168 (expand_omp_for_1): Remove.
14169 (expand_omp_for_generic): Re-implement to emit code into the
14171 (expand_omp_for_static_nochunk): Likewise.
14172 (expand_omp_for_static_chunk): Likewise.
14173 (expand_omp_for): Likewise.
14174 (expand_omp_sections): Likewise.
14175 (remove_exit_barriers): New.
14176 (expand_omp_synch): New.
14178 (build_omp_regions_1): New.
14179 (build_omp_regions): New.
14180 (execute_expand_omp): New.
14181 (gate_expand_omp): New.
14182 (pass_expand_omp): Define.
14183 (lower_omp_sections): Rename from expand_omp_sections.
14184 Set OMP_SECTIONS_SECTIONS.
14185 (lower_omp_single_simple): Rename from expand_omp_single_simple.
14186 (lower_omp_single_copy): Rename from expand_omp_single_copy.
14187 (lower_omp_single): Rename from expand_omp_simple.
14188 (lower_omp_master): Rename from expand_omp_master.
14189 (lower_omp_ordered): Rename from expand_omp_ordered.
14190 (lower_omp_critical): Rename from expand_omp_critical.
14191 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
14192 (lower_omp_for): Re-implement.
14193 (lower_omp_parallel): Re-implement.
14194 (lower_regimplify): Rename from expand_regimplify.
14195 (lower_omp_1): Rename from expand_omp_1.
14196 If there are syntax errors in the program, replace every
14197 OpenMP directive with NOP.
14198 Call lower_omp_* instead of expand_omp_*.
14199 (lower_omp): Rename from expand_omp.
14201 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
14202 * tree-gimple.h (enum omp_parallel_type): Remove.
14203 (gimple_boolify): Declare extern.
14204 (find_omp_clause, determine_parallel_type): Remove.
14206 * gimple-low.c (lower_omp_directive): New.
14207 (lower_stmt): Call it.
14208 (record_vars_into): Move from ...
14209 (record_vars): ... here.
14210 Call record_vars_into with current_function_decl.
14212 * gimplify.c (struct gimplify_ctx): Remove fields
14213 combined_pre_p and combined_ctxp. Update users.
14214 (get_formal_tmp_var): Add documentation.
14215 (gimple_boolify): Make extern.
14216 (gimplify_expr_in_ctx): Remove. Update callers.
14217 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
14218 will always be a BIND_EXPR.
14219 (gimplify_expr): Handle OMP_RETURN_EXPR.
14220 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
14221 (OMP_PARALLEL): Add 3 operands.
14222 (OMP_SECTIONS): Add 1 operand.
14223 (OMP_RETURN_EXPR): Define.
14225 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
14226 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
14227 * tree-iterator.c (alloc_stmt_list): Assert that we are not
14228 creating a circular free list.
14229 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
14231 * tree-flow.h (move_sese_region_to_fn): Declare.
14232 (record_vars_into): Declare.
14233 * tree-cfg.c (make_omp_sections_edges): New.
14234 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
14235 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
14236 OMP_SECTIONS and OMP_SECTION.
14237 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
14238 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
14239 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
14240 (gather_blocks_in_sese_region): New.
14241 (struct move_stmt_d): Declare.
14242 (move_stmt_r): New.
14243 (move_block_to_fn): New.
14244 (move_sese_region_to_fn): New.
14246 * passes.c (init_optimization_passes): Schedule
14247 pass_expand_omp after pass_init_datastructures.
14249 * tree-ssa-operands.c (get_expr_operands): Handle
14250 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
14251 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
14253 2006-01-19 Jeff Law <law@redhat.com>
14255 * tree-vrp.c (extract_range_from_assert): Refine the result range
14256 if the variable referenced by the ASSERT_EXPR has a range and
14257 either the tentative result range or the previous range is a
14260 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14262 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
14264 2006-01-19 Jan Hubicka <jh@suse.cz>
14266 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
14268 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
14270 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
14271 (expand_compound_operation, expand_field_assignment): Fail if the
14272 bit lengths of an extract operation are out of range.
14273 (make_extraction): Compute wanted_inner_mode based on the position
14274 and length of the extraction. Make it extraction_mode for non-constant
14275 positions, and do not modify offset in that case. When generating a
14276 new MEM, use a mode that can hold the extraction while keeping correct
14277 alignment. Remove code that supported MEMs wrapped by USEs.
14278 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
14280 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
14282 * config/s390/s390.md ("Y", "y"): New mode attribute.
14283 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
14284 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
14285 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
14286 "*addsi3_imm_cc", "*addsi3_carry1_cc",
14287 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
14288 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
14289 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
14290 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
14291 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
14292 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
14293 "addsi3", "subsi3"): Insn patterns removed.
14294 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
14295 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
14296 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
14297 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
14298 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
14299 "*sub<mode>3_cconly2"): New insn patterns.
14300 ("addsi3", "subsi3"): New expanders.
14302 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
14304 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
14305 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
14306 existing STMT_VINFO_VECTYPE if available.
14307 (vect_mark_relevant): Add special handling for stmts that are
14308 marked as STMT_VINFO_IN_PATTERN_P.
14309 (vect_analyze_loop): Call vect_pattern_recog.
14310 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
14311 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
14313 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
14314 (vect_recog_func_ptr): New function-pointer type.
14315 * tree-vect-patterns.c: New file.
14316 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
14317 (vect_recog_dot_prod_pattern, vect_pattern_recog):
14318 (vect_pattern_recog_1): New functions.
14319 (vect_pattern_recog_funcs): New array of function pointers.
14321 * tree-vectorizer.h (ternary_op): New enum value.
14322 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
14323 declaration. Revised documentation. Removed redundant dump prints.
14324 Removed redundant argument. Added support for reduction patterns.
14325 (vectorizable_reduction): Added support for reduction patterns.
14326 (vect_transform_stmt): Added support for patterns.
14328 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
14329 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
14330 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
14331 (expand_widen_pattern_expr): New function.
14332 (init_optabs): Initialize new optabs udot_prod_optab,
14334 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
14335 (sdot_prod_optab, udot_prod_optab): Define new optabs.
14336 (expand_widen_pattern_expr): New function declaration.
14337 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
14339 * tree-inline.c (estimate_num_insns_1): Added cases for new
14340 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14341 * tree-pretty-print.c (dump_generic_node): Likewise.
14342 (op_prio): Likewise.
14343 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14344 * tree-ssa-operands.c (get_expr_operands): Added case for
14346 * tree-vect-patterns.c (widened_name_p): New function.
14347 (vect_recog_dot_prod_pattern): Added function implementation.
14348 * tree-vect-transform.c (get_initial_def_for_reduction): Added
14349 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
14350 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
14351 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
14353 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
14354 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
14355 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
14356 (init_optabs): Initialize new optabs widen_ssum_optab,
14358 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
14359 (widen_ssum_optab, widen_usum_optab): Define new optabs.
14360 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
14361 use instead of type of def.
14362 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
14363 function implementation.
14364 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
14365 widen_ssumv8hi): New.
14367 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
14370 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14373 * c-decl.c (add_flexible_array_elts_to_size): New function.
14374 (finish_decl): Use it.
14376 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
14378 * diagnostic.h: Include options.h.
14379 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
14380 dependancies for diagnostic.h.
14381 * Makefile.in (DIAGNOSTIC_H): Add options.h.
14383 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
14385 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
14386 (ssa_ro_call_cache_valid): Ditto.
14387 * tree-ssa-alias.c (sort_tags_by_id): New function.
14388 (init_transitive_clobber_worklist): Ditto.
14389 (add_to_worklist): Ditto.
14390 (mark_aliases_call_clobbered): Ditto.
14391 (compute_tag_properties): Ditto.
14392 (set_initial_properties): Ditto.
14393 (compute_call_clobbered): Ditto.
14394 (compute_may_aliases): Call compute_call_clobbered and grouping.
14395 (compute_flow_sensitive_aliasing): Remove clobbering related code.
14396 (compute_flow_insensitive_aliasing): Grouping now happens in our
14398 (setup_pointers_and_addressables): Remove clobbering related code.
14399 (add_may_alias): Ditto.
14400 (replace_may_alias): Ditto.
14401 (get_nmt_for): Ditto.
14402 (create_global_var):
14403 (is_escape_site): Return an escape_type enumeration.
14404 * tree-flow-inline.h (is_call_clobbered): Global var does not
14405 imply call clobbered.
14406 (mark_call_clobbered): Take a reason for marking this. Remove
14407 marking of globalness, and cache invalidation.
14408 (clear_call_clobbered): Remove cache invalidation code.
14409 * tree-dfa.c (dump_variable): If details is on, dump the reason
14411 * tree-outof-ssa.c (create_temp): Copy escape mask from original
14413 * tree-flow.h (struct ptr_info_def): Add escape mask member.
14414 (struct var_ann_d): Ditto.
14415 (enum escape_type): New.
14416 (mark_call_clobbered): Adjust prototype.
14417 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
14418 are never call clobbered.
14419 Record reasons for escaping.
14420 * tree-ssa-structalias.h (is_escape_site): Update prototype.
14421 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
14422 (ssa_ro_call_cache_valid): Ditto.
14423 (clobbered_v_may_defs): Ditto.
14424 (clobbered_vuses): Ditto.
14425 (ro_call_vuses): Ditto.
14426 (clobber_stats): New.
14427 (init_ssa_operands): Zero out clobber stats.
14428 (fini_ssa_operands): Print out clobber stats.
14429 (get_call_expr_operands): Pass callee fndecl to
14430 add_call_read_ops).
14431 (add_call_clobber_ops): Remove use of cache.
14432 Add use of PURE_CONST information.
14433 (add_call_read_ops): Remove use of cache.
14434 Add use of static not_read information.
14436 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
14438 Introduce TLS descriptors for i386 and x86_64.
14439 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
14440 (TARGET_ANY_GNU_TLS): New macro.
14441 (enum tls_dialect): Added TLS_DIALECT_GNU2.
14442 (struct machine_function): Add tls_descriptor_call_expanded_p.
14443 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
14444 (ix86_current_function_calls_tls_descriptor): Likewise.
14445 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
14446 (override_options): Introduce gnu2 tls dialect.
14447 (ix86_frame_pointer_required): Functions containing TLSCALLs are
14449 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
14451 (legitimize_tls_address): Adjust logic for GNU2 TLS.
14452 (ix86_init_machine_status): Initialize new field.
14453 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
14454 (ix86_tls_module_base): New.
14455 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
14456 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
14457 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
14458 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
14459 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
14460 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
14461 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
14462 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
14463 * config/i386/predicates.md (tls_modbase_operand): New.
14464 (tp_or_register_operand): New.
14466 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
14468 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
14469 (look_for_address_of): Ditto.
14470 (ipa_init): Walk the function decls.
14471 (static_execute): Don't set readonly on FUNCTION_DECL's.
14473 2006-01-18 Roger Sayle <roger@eyesopen.com>
14475 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
14476 for shifts where the source and destination registers are different.
14478 2006-01-18 Paul Brook <paul@codesourcery.com>
14480 Merge from csl-arm-branch.
14481 2005-03-14 Julian Brown <julian@codesourcery.com>
14482 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
14483 (aeabi_llsl): Likewise.
14484 (ashrdi3): Likewise.
14485 (aeabi_lasr): Likewise.
14486 (lshrdi3): Likewise.
14487 (aeabi_llsr): Likewise.
14488 2005-03-10 Julian Brown <julian@codesourcery.com>
14489 * config.gcc: Disable shared libgcc for SymbianOS.
14490 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
14492 2006-01-18 DJ Delorie <dj@redhat.com>
14494 * c-pragma.c (handle_pragma_diagnostic): New.
14495 (init_pragma): Register it.
14496 * doc/extend.texi: Document it.
14498 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
14499 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
14500 (diagnostic_context): Add classify_diagnostic[].
14501 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
14502 as errors if they're overridden to DK_WARNING.
14503 (diagnostic_initialize): Initialize classify_diagnostic[].
14504 (diagnostic_set_kind_override): New.
14505 (diagnostic_report_diagnostic): Check for kind changes.
14506 * opts.c (common_handle_option): Take lang_mask. Update callers.
14507 Handle OPT_Werror_.
14508 * common.opt (Werror=): New.
14509 * doc/invoke.texi: Document -Werror=*
14511 2006-01-18 Jeff Law <law@redhat.com>
14513 * tree-vrp.c (test_for_singularity): Correct test for new
14514 min limit. Use operand_equal_p rather than pointer equality
14515 for testing if new min/max values are equal.
14517 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
14518 using range information until after propagation and folding.
14520 2006-01-18 Richard Henderson <rth@redhat.com>
14521 Aldy Hernandez <aldyh@redhat.com>
14522 Jakub Jelinek <jakub@redhat.com>
14523 Diego Novillo <dnovillo@redhat.com>
14525 * omp-low.c: New file.
14526 * c-omp.c: New file.
14528 2006-01-18 Richard Henderson <rth@redhat.com>
14529 Jakub Jelinek <jakub@redhat.com>
14530 Diego Novillo <dnovillo@redhat.com>
14532 * doc/invoke.texi: Document -fopenmp.
14533 * tree-dump.h (debug_function): Declare.
14534 * hooks.c (hook_bool_tree_bool_false): New function.
14535 (hook_tree_tree_null): Remove.
14536 (hook_tree_tree_tree_null): New.
14537 * hooks.h: Update to match.
14538 * tree-pretty-print.c (debug_tree_chain): New.
14539 (print_generic_expr): Handle TDF_CHAIN.
14540 (dump_generic_node): Handle BLOCK.
14541 Do not abort with incomplete SWITCH_EXPRs.
14542 Do not dump body of an OpenMP directive if TDF_SLIM is given.
14543 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
14544 print space after directive name.
14545 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
14546 Handle OMP_MASTER and OMP_ORDERED.
14547 Handle printing of OMP_BODY just in one place, goto
14548 dump_omp_body in the rest of OMP_* nodes that have
14550 Don't handle clause nodes here. Update omp statements to
14551 use dump_omp_clauses.
14552 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
14553 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
14554 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
14555 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
14556 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
14557 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
14558 Adjust output for GOMP_PARALLEL.
14559 (dump_omp_clauses): New.
14560 (print_declaration): Dump DECL_VALUE_EXPR.
14561 (op_symbol_1): Split out of op_symbol.
14562 (dumping_stmts): Remove. Update all users.
14563 * cgraph.c (cgraph_analyze_queue): New.
14564 (cgraph_add_new_function): New.
14565 * cgraph.h (cgraph_analyze_queue): Declare.
14566 (cgraph_add_new_function): Declare.
14567 (cgraph_lower_function): Remove.
14568 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
14569 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
14570 and TYPE_P nodes in its default clause.
14571 (empty_body_p): New.
14572 (tree_range_check_failed): New.
14573 (build5_stat): New.
14574 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
14575 OMP_CLAUSE_REDUCTION_MERGE,
14576 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
14577 OMP_CLAUSE_PRIVATE_DEBUG,
14578 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
14579 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
14580 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
14581 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
14582 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
14583 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
14584 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
14585 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
14586 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
14587 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
14588 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
14589 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
14590 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
14591 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
14592 (TREE_RANGE_CHECK): New.
14593 (empty_body_p): Declare.
14594 (enum omp_clause_default_kind): New.
14595 (build_string_literal): Declare.
14596 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
14597 (build5_stat, build5): Declare.
14598 * tree-pass.h (TDF_CHAIN): Define.
14599 * tree-pass.h (PROP_gimple_lomp): Define.
14600 (pass_lower_omp): Declare.
14601 * diagnostic.h (debug_tree_chain): Declare.
14602 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
14604 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
14605 * builtins.c (build_string_literal): Make extern.
14606 * gcc.c (include_spec_function): New.
14607 (static_spec_functions): Add it.
14608 (main): Move load of libgomp.spec ...
14609 (LINK_COMMAND_SPEC): ... here.
14610 (link_gomp_spec): New.
14611 (static_specs): Include it.
14612 (LINK_COMMAND_SPEC): Add link_gomp.
14613 (GOMP_SELF_SPECS): New.
14614 (driver_self_specs): Include it.
14615 (switch_matches): Don't mark inline.
14616 (main): Load libgomp.spec.
14617 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
14618 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
14619 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
14620 * tree-gimple.h (enum omp_parallel): Declare.
14621 (determine_parallel_type): Declare.
14622 (omp_firstprivatize_variable): Declare.
14623 (omp_reduction_init): Declare.
14624 (diagnose_omp_structured_block_errors): Declare.
14625 (struct walk_stmt_info): Add want_return_expr.
14626 (struct walk_stmt_info): Add want_bind_expr, want_locations.
14627 (find_omp_clause): Declare.
14628 (insert_field_into_struct): Declare.
14629 (struct walk_stmt_info): Move from tree-nested.c
14630 (walk_stmts): Declare.
14631 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
14633 * cgraphunit.c (cgraph_lower_function): Make static.
14634 (cgraph_finalize_pending_functions): New.
14635 (cgraph_finalize_function): Call it.
14636 (cgraph_finalize_compilation_unit): Likewise.
14637 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
14638 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
14639 (BT_FN_UINT_UINT): New.
14640 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
14641 DEF_FUNCTION_TYPE_VAR_4): Document.
14642 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
14643 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
14644 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
14645 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
14646 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
14647 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
14648 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
14649 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
14650 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
14651 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
14652 into separate files.
14653 (DEF_GOMP_BUILTIN): New.
14654 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
14655 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
14656 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
14657 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
14658 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
14659 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
14660 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
14661 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
14662 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
14663 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
14664 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
14665 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
14666 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
14667 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
14668 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
14669 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
14670 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
14671 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
14672 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
14673 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
14674 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
14675 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
14676 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
14677 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
14678 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
14679 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
14680 * sync-builtins.def: New file, moved from builtins.def.
14681 * omp-builtins.def: New file, moved from builtins.def.
14682 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
14683 * gimple-low.c (lower_function_body): Clear data.
14684 (lower_stmt): Do not handle COMPOUND_EXPR.
14685 Remove call to print_node_brief.
14686 * c-tree.h (c_finish_omp_clauses): New prototype.
14687 (C_DECL_THREADPRIVATE_P): Define.
14688 (lookup_name_no_remap, c_omp_remap_private): Remove
14689 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
14690 (check_for_loop_decls): Update decl.
14691 (lookup_name_no_remap, c_omp_remap_private): Declare.
14692 (build_indirect_ref, build_modify_expr, pushdecl,
14693 pushdecl_top_level): Move to c-common.h.
14694 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
14695 before the switch, but just in the 2 places that need it.
14696 * c-decl.c (diagnose_mismatched_decls): Do not check for
14697 mismatched thread-local attributes when OLDDECL is marked
14698 threadprivate and NEWDECL has no thread-local attributes.
14699 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
14700 (c_gimple_diagnostics_recursively): Rename from
14701 c_warn_unused_result_recursively. Invoke
14702 diagnose_omp_structured_block_errors.
14703 (check_for_loop_decls): Return a singular decl found.
14704 * langhooks.c (lhd_omp_predetermined_sharing): Return
14705 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
14706 (lhd_omp_firstprivatize_type_sizes): New.
14707 (lhd_omp_assignment): New.
14708 (lhd_omp_predetermined_sharing): New.
14709 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
14710 (struct lang_hooks_for_types): Add
14711 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
14712 omp_predetermined_sharing, omp_disregard_value_expr,
14713 omp_private_debug_clause, omp_clause_default_ctor,
14714 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
14715 (c_finish_omp_clauses): New.
14716 (c_finish_bc_stmt): Diagnose break within omp for.
14717 (c_begin_omp_parallel, c_finish_omp_parallel): New.
14718 (build_unary_op): Return error_mark after reporting
14720 (build_modify_expr): Likewise.
14721 * gimplify.c: Include optabs.h and pointer-set.h.
14722 (enum gimplify_omp_var_data): Declare.
14723 (struct gimplify_omp_ctx): Declare.
14724 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
14726 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
14727 (push_gimplify_context, pop_gimplify_context): Allow nesting.
14728 (splay_tree_compare_decl_uid): New.
14729 (new_omp_context): New.
14730 (delete_omp_context): New.
14731 (gimple_add_tmp_var): Call omp_add_variable.
14732 (gimplify_bind_expr): Likewise.
14733 (gimplify_var_or_parm_decl): If omp_notice_variable returned
14734 true, disregard DECL_VALUE_EXPR on the decl if any.
14735 (gimplify_expr_in_ctx): New.
14736 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
14737 omp_add_variable, omp_notice_variable, omp_is_private
14738 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
14739 gimplify_adjust_omp_clauses, gimplify_omp_parallel
14740 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
14741 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
14742 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
14743 gimplify_omp_atomic): New.
14744 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14745 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14746 OMP_CRITICAL and OMP_ATOMIC.
14747 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
14748 * c-pragma.h (enum pragma_kind): Add
14749 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
14750 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
14751 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
14752 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
14753 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
14754 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
14755 PRAGMA_OMP_THREADPRIVATE.
14756 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14757 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14758 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
14759 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
14760 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
14761 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
14762 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
14763 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
14764 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
14765 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
14766 * tree-ssa-dce.c (find_control_dependence): Do not assume that
14767 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
14768 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
14770 (struct nesting_info): Add field_map,
14771 suppress_expansion, debug_var_chain.
14772 (create_nesting_tree): Initialize them.
14773 (lookup_field_for_decl): Use field_map.
14774 (get_nonlocal_debug_decl, get_local_debug_decl): New.
14775 (convert_local_omp_clauses): New.
14776 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
14777 (walk_body): Split out of walk_function.
14778 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
14779 (convert_nonlocal_reference): Handle omp statements.
14780 (convert_local_reference): Likewise.
14781 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
14782 (unnest_nesting_tree): New.
14783 (lower_nested_functions): Call it.
14784 (insert_field_into_struct): Make extern.
14785 (struct walk_stmt_info): Move to tree-gimple.h.
14786 (walk_stmts): Make extern.
14787 * omp-builtins.def: New file.
14788 * tree-iterator.c (expr_only): Clarify comment.
14789 * c-common.h (pushdecl_top_level, pushdecl,
14790 build_modify_expr, build_indirect_ref,
14791 c_finish_omp_master, c_finish_omp_critical,
14792 c_finish_omp_ordered, c_finish_omp_barrier,
14793 c_finish_omp_atomic, c_finish_omp_flush,
14794 c_finish_omp_for, c_split_parallel_clauses,
14795 omp_clause_default_kind, c_omp_sharing_predetermined,
14796 c_omp_remap_decl): Declare.
14797 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
14798 (OBJS-common): Add omp-low.o.
14799 (c-omp.o, omp-low.o): Add.
14800 (gimplify.o): Add dependency on $(OPTABS_H).
14801 (GTFILES): Add omp-low.c.
14802 (gt-stringpool.h): Add.
14803 * tree-cfg.c (set_bb_for_stmt): Do not update the
14804 block-to-labels map if we are currently expanding to RTL.
14805 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
14807 Handle IDENTIFIER_NODE.
14808 (tree_verify_flow_info): Do not ICE when emitting error
14809 messages about invalid labels.
14810 (dump_function_to_file): Reset CFUN before emitting the body
14812 (debug_function): New.
14813 * passes.c (init_optimization_passes): Schedule
14815 * langhooks-def.h (lhd_omp_predetermined_sharing,
14816 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
14818 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
14819 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
14820 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
14821 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
14822 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
14823 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
14824 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
14825 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
14826 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
14827 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
14828 (LANG_HOOK_DECLS): Use them.
14830 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
14831 Richard Henderson <rth@redhat.com>
14832 Jakub Jelinek <jakub@redhat.com>
14833 Diego Novillo <dnovillo@redhat.com>
14835 * c-parser.c (pragma_omp_clause): Define.
14836 (c_parser_declaration_or_fndef): Document OpenMP syntax.
14837 (c_parser_compound_statement): Likewise.
14838 (c_parser_statement): Likewise.
14839 (c_parser_pragma): Handle omp pragmas.
14840 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
14841 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
14842 (c_parser_omp_clause_name, check_no_duplicate_clause,
14843 c_parser_omp_variable_list,
14844 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
14845 c_parser_omp_clause_copyprivate,
14846 c_parser_omp_clause_default,
14847 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
14848 c_parser_omp_clause_lastprivate,
14849 c_parser_omp_clause_nowait,
14850 c_parser_omp_clause_num_threads,
14851 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
14852 c_parser_omp_clause_reduction,
14853 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
14854 c_parser_omp_all_clauses, c_parser_omp_structured_block,
14855 c_parser_omp_atomic, c_parser_omp_barrier,
14856 c_parser_omp_critical, c_parser_omp_flush,
14857 c_parser_omp_for_loop, c_parser_omp_for,
14858 c_parser_omp_master, c_parser_omp_ordered,
14859 c_parser_omp_sections_scope, c_parser_omp_sections,
14860 c_parser_omp_parallel, c_parser_omp_single,
14861 c_parser_omp_construct, c_parser_omp_threadprivate): New.
14862 * c-pragma.c (init_pragma): Do omp pragma registration here.
14863 * c.opt (fopenmp): New flag.
14865 2006-01-18 Eric Christopher <echristo@apple.com>
14867 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
14868 * config/darwin.h (GOMP_SELF_SPECS): Define.
14870 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14872 * rtl.h: Remove the prototype for reg_alloc.
14874 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14877 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
14878 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
14879 sjlj and dwarf2 exception handling.
14880 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
14881 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
14882 * pa/pa.c (function_value): Treat complex and vector types as
14884 (function_arg): Likewise. Only pass scalar floats in the floating
14885 point argument registers.
14886 * pa/t-slibgcc-dwarf-ver: New file.
14887 * pa/t-slibgcc-sjlj-ver: New file.
14888 * pa/t-slibgcc-elf-ver: Delete file.
14890 2006-01-19 Alan Modra <amodra@bigpond.net.au>
14892 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
14893 unlikely_test_section_p test.
14895 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14897 * mode-switching.c (optimize_mode_switching): Make it static.
14898 * basic-block.h: Remove the prototype for
14899 optimize_mode_switching.
14901 * modulo-sched.c (sms_schedule): Make it static.
14902 * rtl.h: Remove the prototype for sms_schedule.
14904 * postreload-gcse.c (gcse_after_reload_main): Make it static.
14905 * rtl.h: Remove the prototype for gcse_after_reload_main.
14907 * reg-stack.c (reg_to_stack): Make it static.
14908 * rtl.h: Remove the prototype for reg_to_stack.
14910 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
14912 * rtl.h: Remove the prototypes for regrename_optimize and
14913 copyprop_hardreg_forward.
14915 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
14917 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
14918 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
14919 Test against the appropriate null constant for the mode.
14920 If 'fixup_overlap' is true, swap the operands if they overlap.
14921 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
14922 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
14923 alpha_split_tmode_pair and adjust for above change.
14924 * config/alpha/alpha.md (movtf_internal): Adjust call to
14925 alpha_split_tfmode_pair and rely on it to swap the operands.
14926 (movti_internal): New insn and post-reload splitter.
14927 (movti): New expander.
14929 2006-01-18 Philippe De Muyter <phdm@macqel.be>
14931 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
14934 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14936 * rtlanal.c (global_reg_mentioned_p_1,
14937 global_reg_mentioned_p): Remove.
14938 * rtl.h: Remove the prototype for global_reg_mentioned_p.
14940 * flow.c (initialize_uninitialized_subregs): Make it static.
14941 * rtl.h: Remove the prototype for
14942 initialize_uninitialized_subregs.
14944 * function.c (instantiate_virtual_regs): Make it static.
14945 * function.h: Remove the prototype for
14946 instantiate_virtual_regs.
14948 * regmove.c (regmove_optimize, combine_stack_adjustments):
14950 * rtl.h: Remove the prototypes for regmove_optimize and
14951 combine_stack_adjustments.
14953 2006-01-17 Roger Sayle <roger@eyesopen.com>
14955 * config/i386/i386.c (COSTS_N_BYTES): New macro.
14956 (size_cost): Encode costs in bytes so that a reg-reg addition is
14957 equivalent to COSTS_N_INSNS(1).
14958 (override_options): Use the size_cost.branch_cost as the default
14959 ix86_branch_cost when optimizing for size.
14961 2006-01-18 Ben Elliston <bje@au.ibm.com>
14963 * Makefile.in (D32PBIT_FUNCS): New.
14964 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
14965 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
14966 D64PBIT_FUNCS and D128PBIT_FUNCS.
14967 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
14968 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
14970 (decnumber_dep): Define.
14971 * doc/libgcc.texi (Decimal float library routines): New node.
14972 * config/dfp-bit.h, config/dfp-bit.c: New files.
14974 2006-01-18 Ben Elliston <bje@au.ibm.com>
14976 * expr.c (emit_move_change_mode): Always adjust addresses, not
14977 just during reload. Copy replacements only during reload.
14978 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
14979 emit_move_via_integer.
14981 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
14983 * Makefile.in (check-%, check-consistency): Use $${srcdir}
14984 instead of $(srcdir) and ${srcdir}.
14986 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
14989 PR middle-end/11135
14990 * arm.h (struct machine_function): Add pic_reg.
14991 * arm.c (arm_pic_register): Make unsigned.
14992 (arm_override_options): Only set arm_pic_register if
14993 TARGET_SINGLE_PIC_BASE.
14994 (use_return_insn): Only test for a pic register if it is fixed.
14995 (arm_compute_save_reg0_reg12_mask): Likewise.
14996 (thumb_compute_save_reg_mask): Likewise.
14997 (legitimate_pic_operand): Factor out some known invariants.
14998 (legitimize_pic_address): If we don't have a fixed pic register,
14999 then set up a pseudo in the function entry sequence. Handle the
15000 pic base being in a pseudo.
15001 (arm_load_pic_register): Handle the pic register being in a pseudo.
15002 (arm_expand_prologue): Only set up the pic register if it is fixed.
15003 (thumb_expand_prologue): Likewise.
15004 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15005 (pic_load_addr_based_insn): Likewise.
15006 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15009 2006-01-18 Ben Elliston <bje@au.ibm.com>
15011 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15012 decimal float modes for all floating point registers.
15014 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15015 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15017 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15020 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15021 even when the pointer is not NULL.
15023 2006-01-16 Ian Lance Taylor <ian@airs.com>
15025 * common.opt (ftoplevel-reorder): New option.
15026 * cgraph.c (cgraph_asm_nodes): New global variable.
15027 (cgraph_asm_last_node): New static variable.
15028 (cgraph_order): New global variable.
15029 (cgraph_create_node): Set new order field.
15030 (cgraph_varpool_node): Likewise.
15031 (decide_is_variable_needed): Return true if not
15032 flag_toplevel_reorder.
15033 (cgraph_add_asm_node): New function.
15034 * cgraph.h (struct cgraph_node): Add order field.
15035 (struct cgraph_varpool_node): Add order field.
15036 (struct cgraph_asm_node): Define.
15037 (cgraph_asm_nodes, cgraph_order): Declare.
15038 (cgraph_add_asm_node): Declare.
15039 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15041 (cgraph_varpool_assemble_pending_decls): Call it.
15042 (cgraph_output_pending_asms): New static function.
15043 (cgraph_finalize_compilation_unit): Call it.
15044 (struct cgraph_order_sort): Define.
15045 (cgraph_output_in_order): New static function.
15046 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15047 !flag_toplevel_reorder case.
15048 * c-parser.c: Include "cgraph.h".
15049 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
15051 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15052 than -fno-unit-at-a-time.
15053 * doc/invoke.texi (Option Summary): Mention
15054 -fno-toplevel-reorder.
15055 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15056 -funit-at-a-time documentation.
15058 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
15059 Kazu Hirata <kazu@codesourcery.com>
15061 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
15063 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
15065 * Makefile.in (FUNCTION_H): New. Use it instead of
15066 function.h throughout the file.
15067 * function.h: Include tree.h.
15069 2006-01-17 Ben Elliston <bje@au.ibm.com>
15071 * recog.c: Separate some functions with whitespace.
15073 2006-01-16 Richard Henderson <rth@redhat.com>
15075 Merge from gomp branch:
15076 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
15077 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
15078 and rename from struct inline_data. Rename callee* to dst*;
15079 caller* to src*; add copy_decl hook, transform_call_graph_edges,
15080 transform_new_cfg, transform_return_to_modify, and
15081 transform_lang_insert_block flags; remove cloning_p, versioning_p,
15083 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
15084 (copy_decl_for_dup): Remove.
15085 * tree-inline.c (struct inline_data): Move to header.
15086 (insert_decl_map): Export.
15087 (remap_decl): Update for member name changes. Use copy_decl hook.
15088 Allow for replacement to be a non-decl. Remove dead code.
15089 (remap_type_1): Check for existing mapping.
15090 (remap_type): Export.
15091 (remap_decls): Update for member name changes.
15092 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
15093 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
15094 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
15095 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
15096 (tree_function_versioning, build_duplicate_type): Likewise.
15097 (copy_body_r): Likewise. Export.
15098 (copy_decl_for_dup): Split into ...
15099 (copy_decl_for_dup_finish, copy_decl_to_var,
15100 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
15101 (replace_ref_tree, inlining_p): Remove.
15103 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15105 * ifcvt.c (if_convert): Make it static.
15106 * rtl.h: Remove the prototype for if_convert.
15108 * local-alloc.c (local_alloc): Make it static.
15109 * rtl.h: Remove the prototype for local_alloc.
15111 * loop.c (loop_optimize): Make it static.
15112 * cfgloop.h: Remove the prototype for loop_optimize.
15115 2006-01-16 DJ Delorie <dj@redhat.com>
15117 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
15120 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15122 * pa.md: Disparage copies between general and floating-point registers
15123 in 32-bit move patterns.
15125 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
15128 * Makefile.in (check-%): Depend on site.exp instead of
15129 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
15132 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15134 * global.c (global_alloc): Make it static.
15135 * rtl.h: Remove the prototype for global_alloc.
15137 2006-01-16 Richard Guenther <rguenther@suse.de>
15139 * tree-ssa-alias.c (struct used_part): Add write_only field.
15140 (get_or_create_used_part_for): Initialize it to true.
15141 (create_overlap_variables_for): Don't create structure variables
15142 for structures that only are written to.
15143 (find_used_portions): Handle MODIFY_EXPR to track whether a
15144 structure is only written to.
15146 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15148 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
15150 * basic-block.h: Remove the prototype for
15151 partition_hot_cold_basic_blocks.
15153 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
15155 * cppspec.c (lang_specific_spec_functions): Remove.
15156 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
15157 * gcc.h (lang_specific_spec_functions): Remove.
15158 * gccspec.c (lang_specific_spec_functions): Remove.
15160 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
15162 * combine.c (record_value_for_reg): Invalidate registers
15164 (record_dead_and_set_regs_1): Likewise, by passing them to
15165 record_value_for_reg.
15166 (record_dead_and_set_regs): Invalidate stores made by a
15167 call. We do not combine across a call, but we still
15168 relied on equivalences.
15170 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15172 * tree-vrp.c (extract_range_from_binary_expr): Cope with
15173 vrp_int_const_binop returning non-constant nodes.
15175 2006-01-16 Paul Brook <paul@codesourcery.com>
15177 * config/m68k/m68k.c (output_move_const_into_data_reg):
15178 Output correct mnemonic for mvz and mvs.
15180 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
15182 * rtl-factoring.c: Add sequence abstraction algorithm.
15183 * cfgcleanup.c (outgoing_edges_match): Extra checks.
15184 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
15186 (block_has_preserve_label): New function.
15187 * common.opt: Register new pass.
15188 * Makefile.in: Ditto.
15190 * timevar.def: Ditto.
15191 * tree-pass.h: Ditto.
15192 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
15193 * rtl.h (make_jump_insn_raw): Add forward decl.
15194 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
15196 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15197 Roger Sayle <roger@eyesopen.com>
15199 * fold-const.c (fold_minmax): New static function.
15200 (fold_binary) <MIN_EXPR>: Call it.
15201 <MAX_EXPR>: Likewise.
15202 * stor-layout.c (place_field): Use DECL_SIZE consistently
15203 in the computation of the new record size.
15205 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15207 * cse.c (cse_condition_code_reg): Make it static.
15208 * rtl.h: Remove the prototype for cse_condition_code_reg.
15210 * combine.c (combine_instructions): Make it static.
15211 * rtl.h: Remove the prototype for combine_instructions.
15213 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15216 * tree.c (get_file_function_name_long): Concatenate the first global
15217 object name with a string derived from the input filename of the object
15220 2006-01-16 Ben Elliston <bje@au.ibm.com>
15222 * config/i386/winnt-stubs.c: Update FSF address.
15223 * config/xtensa/ieee754-df.S: Ditto.
15224 * config/xtensa/ieee754-sf.S: Ditto.
15226 2006-01-14 Ian Lance Taylor <ian@airs.com>
15228 * ifcvt.c (noce_init_if_info): New static function, broken out of
15229 noce_process_if_block.
15230 (noce_process_if_block): Call noce_init_if_info.
15231 (check_cond_move_block): New static function.
15232 (cond_move_process_if_block): New static function.
15233 (process_if_block): Call cond_move_process_if_block.
15235 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
15237 * cselib.c (hash_table): Rename to cselib_hash_table.
15238 (cselib_clear_table, discard_useless_values,
15239 remove_useless_values, cselib_lookup_mem, cselib_lookup,
15240 cselib_init, cselib_finish): Adjust uses of hash_table.
15242 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
15244 PR tree-optimization/25485
15245 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
15246 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
15247 is known to be false and true, respectively.
15249 2006-01-14 Richard Guenther <rguenther@suse.de>
15251 PR tree-optimization/22548
15252 PR tree-optimization/22555
15253 PR tree-optimization/22501
15254 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
15255 * params.def (salias-max-array-elements): New parameter.
15256 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
15257 * doc/invoke.texi (salias-max-array-elements): Document.
15258 * tree-flow-inline.h (var_can_have_subvars): We also handle
15260 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
15262 * tree-ssa-structalias.c (params.h): Include.
15263 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
15264 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
15265 (get_constraint_for): For ADDR_EXPR operating on something
15266 containing an ARRAY_REF, add all subvars to the solution.
15267 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
15268 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
15269 for creating MUST_DEFs.
15270 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
15272 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
15274 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
15276 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
15277 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
15278 number_of_iterations_le): New functions.
15279 (number_of_iterations_special): Removed.
15280 (number_of_iterations_exit): Do not use number_of_iterations_special.
15281 * tree.c (unsigned_type_for): Always return integer type.
15283 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
15284 Richard Guenther <rguenther@suse.de>
15286 PR rtl-optimization/24257
15287 * gcse.c (find_moveable_store): Only consider a store movable
15288 when the SET_SRC of the insn can be assigned to a register.
15290 2006-01-14 Ian Lance Taylor <ian@airs.com>
15292 * tree.c (tree_not_class_check_failed): New function.
15293 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
15294 (tree_not_class_check_failed): Declare.
15296 2006-01-13 Ian Lance Taylor <ian@airs.com>
15298 * reload1.c (do_output_reload): Add assertion rejecting a
15301 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
15303 * combine.c (struct reg_stat): Add new fields truncation_label and
15305 (record_value_for_reg): Reset truncated_to_mode.
15306 (record_truncated_value): New function.
15307 (check_promoted_subreg): Call it. Rename to check_conversions.
15308 (combine_instructions): Rename check_promoted_subreg to
15310 (reg_truncated_to_mode): New function.
15311 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
15312 (gen_lowpart_or_truncate): New function.
15313 (force_to_mode): Use it instead of gen_lowpart.
15315 2006-01-13 Diego Novillo <dnovillo@redhat.com>
15317 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
15318 VAR is a tag, not its type tag.
15320 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
15322 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
15323 alternatives to match style of other entries.
15324 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
15326 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
15328 PR tree-optimization/25771
15329 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
15332 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
15335 * tree-inline.c (declare_return_variable): If the return variable
15336 was marked as a non gimple complex, set the return slot variable
15337 to be a non gimple comple variable.
15339 2006-01-13 Richard Guenther <rguenther@suse.de>
15341 * builtins.c (expand_builtin_sincos): New function.
15342 (expand_builtin_mathfn_3): Remove dead code, sin and cos
15344 (expand_builtin): Expand sincos using expand_builtin_sincos.
15346 2006-01-12 DJ Delorie <dj@redhat.com>
15348 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
15349 shift counts, separate SI shifts for m32c vs m16c, pass shift type
15350 so that constant shifts can be split.
15351 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
15352 (m32c_valid_pointer_mode): Make static.
15353 (shift_gen_func_for): New.
15354 (m32c_prepare_shift): Use it. Split large const shifts into
15356 * config/m32c/predicates.md (shiftcount_operand): Allow more
15358 (longshiftcount_operand): New.
15359 * doc/md.texi (Machine Constraints): Document In6.
15361 2006-01-13 Ben Elliston <bje@au.ibm.com>
15363 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
15364 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
15367 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
15369 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
15370 to try to avoid clobbering pieces of structures when we know
15371 something about the whole structure.
15372 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
15374 2006-01-13 Ben Elliston <bje@au.ibm.com>
15376 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
15377 return in memory, as this is no limitation is no longer present.
15379 2006-01-12 DJ Delorie <dj@redhat.com>
15381 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
15382 mova with fb, and for fb+0 -> An.
15384 * config/m32c/mov.md (peephole2): Fix enabling logic.
15386 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
15387 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
15388 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
15389 FINI_ARRAY_SECTION_ASM_OP): Define.
15391 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
15393 (m32c_legitimize_reload_address): New logic to reload FB to An.
15394 (m32c_output_reg_push): Add newline.
15395 (m32c_output_reg_pop): Likewise.
15397 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
15399 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
15401 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
15403 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
15405 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15407 * config/sh/predicates.md (sh_rep_vec): Add parallel to
15410 2006-01-11 Ben Elliston <bje@au.ibm.com>
15412 * rtlanal.c (find_reg_note): Assert insn is not null.
15414 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15416 * df-scan.c (df_hard_reg_init): Move declaration of i outside
15419 2006-01-11 Jeff Law <law@redhat.com>
15421 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
15423 (mark_threaded_blocks, register_jump_thread): New functions.
15424 (thread_through_all_blocks): Remove unwanted argument. No
15425 longer rely on e->aux to communicate thread target info.
15426 Call mark_threaded_blocks. Release the threaded_blocks
15427 bitmap and threaded_edges vector when complete.
15428 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
15429 (threaded_blocks): Remove.
15430 (tree_ssa_dominator_optimize): Remove initialization and
15431 finalization of threaded_blocks. Simplify call to
15432 thread_through_all_blocks.
15433 (thread_across_edge): Call register_jump_thread rather than
15434 storing thread information into e->aux.
15435 (free_all_edge_infos): Simplify now that e->aux is no longer
15436 used to communicate with thread_through_all_blocks.
15437 * tree-flow.h (thread_through_all_blocks): Update prototype.
15438 (register_jump_thread): Prototype.
15440 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15442 * df-core.c (df_compact_blocks, df_bb_replace): Use
15443 SET_BASIC_BLOCK instead of BASIC_BLOCK.
15445 2006-01-11 Richard Guenther <rguenther@suse.de>
15447 PR tree-optimization/25734
15448 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
15449 stop propagation after successful propagation to the LHS.
15451 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15453 * basic-block.h (control_flow_graph): Change the type of
15454 x_basic_block_info to VEC(basic_block,gc) *.
15455 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
15457 (SET_BASIC_BLOCK): New.
15458 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
15459 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
15460 * cfgbuild.c (find_basic_blocks): Likewise.
15461 * cfglayout.c (fixup_reorder_chain): Likewise.
15462 * cfgrtl.c (create_basic_block_structure,
15463 rtl_create_basic_block): Likewise.
15464 * ifcvt.c (find_if_case_1): Likewise.
15465 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
15468 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15470 * Makefile.in: Removed rotted odf.c entry.
15472 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
15475 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
15476 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
15477 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
15478 output pattern modifier, not %e.
15479 * config/cris/cris.c (cris_op_str): Update comment about pattern
15481 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
15482 before falling through into...
15483 <case 'E'>: Redefined from old 'e' case.
15485 2006-01-11 Jan Hubicka <jh@suse.cz>
15488 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
15490 2006-01-11 Jan Hubicka <jh@suse.cz>
15492 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
15493 * i386.c (x86_decompose_lea): Kill.
15494 (ix86_rtx_costs): Kill.
15496 2006-01-11 Jan Hubicka <jh@suse.cz>
15498 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
15499 * cgraph.h (cgraph_node): Add inline_decl.
15500 (cgraph_insert_node_to_hashtable): Declare.
15501 (save_inline_function_body): Declare.
15502 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
15504 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
15505 (cgraph_function_versioning): Update call of tree_function_versioning.
15506 (save_inline_function_body): New function.
15507 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
15508 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
15509 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
15510 (cgraph_default_inline_p): Likewise.
15511 (cgraph_decide_inlining_incrementally): Likewise.
15512 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
15513 (copy_bb): Kill saving; do updating of clones.
15514 (copy_cfg_body): Kill saving.
15515 (initialize_inlined-parameters): Likewise.
15516 (expand_call_inline): Likewise.
15518 (tree_function_versioning): New parameter "update_clones".
15519 (inlining_p): Kill saving.
15520 * tree-inline.h (tree_function_versioning): Update prototype.
15521 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
15524 2006-01-11 Ian Lance Taylor <ian@airs.com>
15526 * combine.c (struct undo): Remove is_int. Enumify types of undos.
15527 Allow undoing set of machine mode.
15528 (do_SUBST): Use enums instead of is_int.
15529 (do_SUBST_MODE): New function.
15530 (SUBST_MODE): New macro.
15531 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
15532 reg and trying to replace reg_regno_rtx with a new register.
15533 (undo_all): Use new enums, handle undoing a PUT_MODE change.
15534 (simplify_set): Use SUBST_MODE.
15535 (distribute_notes): Remove code that tried to update reg notes
15536 for regno_reg_rtx changes.
15538 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
15540 PR tree-optimization/23109
15541 PR tree-optimization/23948
15542 PR tree-optimization/24123
15544 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
15545 * tree-cfg.c (single_noncomplex_succ): New.
15546 * tree-flow.h (single_noncomplex_succ): Declare it.
15547 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15548 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15549 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
15550 insert_bb, register_division_in, insert_reciprocals,
15551 replace_reciprocal, free_bb): New.
15552 (execute_cse_reciprocals_1): Rewritten.
15553 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
15554 Do not commit any edge insertion. Always compute dominators and
15555 create the allocation pool.
15556 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
15557 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
15558 * targhooks.c (default_min_divistions_for_recip_mul): New.
15559 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
15560 * passes.c (init_optimization_passes): Run recip after tree loop
15562 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
15564 2006-01-11 Danny Berlin <dberlin@dberlin.org>
15565 Kenneth Zadeck <zadeck@naturalbridge.com>
15567 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
15568 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
15569 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
15570 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
15571 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
15572 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
15573 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
15574 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
15575 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
15576 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
15577 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
15578 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
15579 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
15580 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
15581 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
15582 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
15583 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
15584 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
15585 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
15586 DF_SCAN_POST_ALLOC): New macros.
15587 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
15588 df_free_bb_function, df_local_compute_function, df_init_function,
15589 df_dataflow_function, df_confluence_function_0,
15590 df_confluence_function_n, df_transfer_function,
15591 df_finalizer_function, df_free_function, df_dump_problem_function,
15592 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
15593 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
15594 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
15595 df_urec_bb_info, ) New types.
15596 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
15598 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
15599 df_analyze_simple_change_some_blocks,
15600 df_analyze_simple_change_one_block, df_compact_blocks,
15601 df_bb_replace, df_bb_regno_last_use_find,
15602 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
15603 df_insn_regno_def_p, df_find_def, df_find_use,
15604 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
15605 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
15606 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
15607 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
15608 debug_df_chain, df_get_dependent_problem, df_chain_create,
15609 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
15610 df_grow_bb_info, df_chain_dump, df_print_bb_index,
15611 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
15612 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
15613 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
15614 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
15615 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
15616 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
15617 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
15618 df_ref_remove, df_insn_refs_delete, df_refs_delete,
15619 df_reorganize_refs, df_set_state, df_hard_reg_init,
15620 df_read_modify_subreg_p) New public functions.
15621 * df-core.c: The core dataflow solver and glue routines for rtl
15623 (df_init, df_add_problem, df_set_blocks, df_finish,
15624 df_hybrid_search_forward, df_hybrid_search_backward,
15625 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
15626 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
15627 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
15628 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
15629 df_reg_defined, df_find_use, df_reg_used, df_dump,
15630 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
15631 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
15632 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
15633 debug_df_useno, reset_df_after_reload): New functions.
15634 * df-scan.c: The scanning fuctions, once in df.c, completely
15635 rewritten so that they now fully model the functionality of
15636 register usage at the backend.
15637 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
15638 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
15639 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
15640 df_grow_insn_info, df_rescan_blocks, df_ref_create,
15641 df_get_artificial_defs, df_get_artificial_uses,
15642 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
15643 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
15644 df_refs_delete, df_reorganize_refs, df_set_state,
15645 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
15646 df_def_record_1, df_defs_record, df_uses_record,
15647 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
15648 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
15649 df_record_exit_block_uses, df_hard_reg_init): New functions.
15651 * df-problems.c: Seven concrete dataflow problems that use the
15652 scanning in df-scan.c and are solved by the engine in df-core.c.
15653 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
15654 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
15655 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
15656 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
15657 df_ru_free_bb_info, df_ru_alloc,
15658 df_ru_bb_local_compute_process_def,
15659 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
15660 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
15661 df_ru_transfer_function, df_ru_free, df_ru_dump,
15662 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
15663 df_rd_free_bb_info, df_rd_alloc,
15664 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
15665 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
15666 df_rd_transfer_function, df_rd_free, df_rd_dump,
15667 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
15668 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
15669 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
15670 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
15671 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
15672 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
15673 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
15674 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
15675 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
15676 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
15677 df_urec_mark_reg_change, df_urec_check_earlyclobber,
15678 df_urec_mark_reg_use_for_earlyclobber,
15679 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
15680 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
15681 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
15682 df_urec_dump, df_urec_add_problem, df_chain_alloc,
15683 df_chain_create_bb_process_use, df_chain_create_bb,
15684 df_chain_finalize, df_chain_free, df_chains_dump,
15685 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
15686 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
15687 df_reg_lifetime): New functions.
15688 * df.c: Deleted file.
15689 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
15690 consistent with new df api.
15691 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
15692 rest_of_handle_sms): Ditto.
15693 * web.c (unionfind_union, union_defs, entry_register, web_main):
15695 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
15696 invariant_expr_equal_p, find_defs, check_dependencies,
15697 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
15698 free_inv_motion_data, move_loop_invariants): Ditto.
15699 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
15700 Update dependencies.
15701 (odf.c): Added defective entry that was deleted later in day.
15702 * sched-deps.c (sched_analyze_1): Ditto.
15704 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
15706 * tree-ssa-operands.c (get_expr_operands): Record addressable
15707 variables directly. Do not call add_stmt_operands for CONST_DECLs
15709 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
15710 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
15712 2006-01-11 Ben Elliston <bje@au.ibm.com>
15714 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
15715 function returns true in the positive case.
15717 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15720 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
15721 for SI, DI, SF and DF modes. Add alternatives to copy between
15722 general and floating point registers to the 32-bit patterns.
15723 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
15724 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
15725 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
15726 generating 64-bit code.
15727 * config/pa/pa.c (output_move_double): Handle copies between general
15728 and floating registers.
15730 2006-01-10 Stuart Hastings <stuart@apple.com>
15732 * config/i386/i386.md (set_got): Update.
15733 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
15734 (builtin_setjmp_receiver): Mach-O support.
15735 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
15736 (GOT_SYMBOL_NAME): Define.
15737 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
15738 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
15739 * config/i386/i386.c (override_options): Revise for Darwin.
15740 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
15741 support. (darwin_x86_file_end): New. (output_set_got): Add label
15742 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
15743 * config/i386/i386-protos.h (output_set_got): Likewise.
15744 * config/darwin.c (machopic_legitimize_pic_address): Update
15747 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
15749 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
15750 when MODE isn't BLKmode.
15752 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
15754 PR rtl-optimization/25367
15755 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
15757 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
15760 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
15761 for a negative bound.
15763 2006-01-10 Richard Guenther <rguenther@suse.de>
15765 * tree-ssa-structalias.c (get_constraint_for_component_ref):
15766 Never override with anything constraint.
15768 2006-01-10 Jan Beulich <jbeulich@novell.com>
15770 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
15771 256 bits when optimize_size.
15773 2006-01-10 Jan Beulich <jbeulich@novell.com>
15775 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
15777 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
15778 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
15781 2006-01-10 Ben Elliston <bje@au.ibm.com>
15783 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
15785 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
15786 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
15787 (USE_FP_FOR_ARG): Reject decimal float modes.
15788 (function_arg_advance): Likewise.
15789 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
15790 (rs6000_handle_altivec_attribute): Do not permit decimal floating
15791 point types in AltiVec vectors.
15792 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
15793 (rs6000_libcall_value): Likewise.
15795 2006-01-09 Bob Wilson <bob.wilson@acm.org>
15797 * config/xtensa/ieee754-df.S: New file.
15798 * config/xtensa/ieee754-sf.S: New file.
15799 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
15800 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
15801 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
15803 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
15805 * config/sh/predicates.md (binary_float_operator,
15806 binary_logical_operator, commutative_float_operator,
15807 equality_comparison_operator, greater_comparison_operator,
15808 less_comparison_operator, logical_operator,
15809 noncommutative_float_operator, shift_operator,
15810 symbol_ref_operand, unary_float_operator): Remove redundant
15813 2006-01-09 Jeff Law <law@redhat.com>
15815 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
15816 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
15817 now unused arguments. Callers updated.
15818 (eliminate_redundant_computations): Remove now unused arguments,
15820 (local_fold): Remove, no longer used.
15821 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
15823 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
15824 (simplify_cond): New function.
15825 (forward_propagate_into_cond): Call simplify_cond.
15827 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
15829 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
15830 (*vec_extractv2di_1_sse): New.
15832 2006-01-09 Ben Elliston <bje@au.ibm.com>
15834 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
15836 2006-01-08 Richard Guenther <rguenther@suse.de>
15838 * tree-ssa-structalias.c (get_constraint_for): Remove
15839 anyoffset argument.
15840 (get_constraint_for_component_ref): Likewise.
15841 (do_deref): Likewise.
15842 (get_constraint_for): Likewise.
15843 (do_structure_copy): Likewise.
15844 (handle_ptr_arith): Likewise.
15845 (find_func_aliases): Likewise. Remove unused need_anyoffset
15848 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
15849 Kaz Kojima <kkojima@gcc.gnu.org>
15851 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
15852 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
15853 (EXTRA_CONSTRAINT_C16): Remove.
15854 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
15855 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
15856 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
15857 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
15858 constants of SHmedia. Handle nested constant expressions of
15860 (andcosts): Fix the costs for SHmedia constants.
15861 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
15862 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
15863 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
15864 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
15865 (movv4hi_i, movv2si_i): Likewise.
15866 (movsi_const): Adjust the second operand of ior so to match with
15867 the Csu constraint.
15868 (movdi_const, movdi_const_32bit): Likewise.
15869 (movdi_const_16bit+1): Don't sign-extend LOW.
15870 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
15872 (*double_shori): Fix the split condition. Use GEN_INT instead
15873 of get_int_mode calls. Mask lower 16-bit of the argument of
15875 (sym2GOTPLT): Remove.
15876 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
15878 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
15879 instead of EXTRA_CONSTRAINT_C16.
15881 2006-01-07 Ian Lance Taylor <ian@airs.com>
15882 David Edelsohn <edelsohn@gnu.org>
15884 PR rtl-optimization/25662
15885 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
15886 for constant operands instead of simplify_gen_binary.
15887 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
15888 after trying simplify_binary_operation
15890 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
15892 * tree.c (iterative_hash_expr): Hash decls based on UID.
15894 2006-01-06 Eric Christopher <echristo@apple.com>
15896 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
15897 (TARGET_UNWIND_EMIT): Fix spelling.
15898 * target.h (gcc_target): Add except_table_label.
15899 * except.c (output_function_exception_table): Use.
15900 * varasm.c (default_emit_except_table_label): New.
15901 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
15903 (asm_out): Add here.
15904 * output.h (default_emit_except_table_label): Prototype.
15905 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
15906 * config/darwin.c (darwin_emit_except_table_label): Define.
15907 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
15909 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
15911 PR tree-optimization/18527
15912 * tree-ssa-loop-niter.c (number_of_iterations_cond,
15913 number_of_iterations_special, number_of_iterations_exit):
15914 Move base and step of an iv to a single structure. Add
15915 no_overflow flag, and use it in # of iterations analysis.
15916 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
15917 folded_casts argument.
15918 (simple_iv): Pass base and step in a structure. Set no_overflow
15920 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
15921 Evaluate expensiveness of computing # of iterations instead of
15922 the final expression.
15923 * tree-scalar-evolution.h (affine_iv): New structure.
15924 (simple_iv): Declaration changed.
15925 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
15926 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
15927 find_givs_in_stmt): Changed due to simple_iv change.
15929 2006-01-06 Jeff Law <law@redhat.com>
15932 * tree-cfg.c (bsi_replace): Rename final argument from
15933 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
15934 change (stmt -> orig_stmt).
15935 * tree-eh.c (verify_eh_throw_stmt_node): New function.
15936 (bsi_remove): Add new argument. Remove EH information
15938 (verify_eh_throw_table_statements): New function.
15939 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
15941 * tree-optimize.c (execute_free_cfg_annotations): Verify
15942 the EH throw statement table after removing annotations.
15943 * except.h (verify_eh_throw_table_statements): Prototype.
15944 * tree-flow.h (bsi_remove): Update prototype.
15945 * tree-vrp.c (remove_range_assertions): Add new argument to
15947 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
15948 * tree-complex.c (expand_complex_div_wide): Likewise.
15949 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
15950 * tree-tailcall.c (eliminate_tailcall): Likewise.
15951 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
15952 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
15953 * tree-nrv.c (tree_nrv): Likewise.
15954 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
15955 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
15956 (combine_blocks): Likewise.
15957 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
15958 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
15959 (cleanup_control_flow): Likewise.
15960 (remove_forwarder_block): Likewise.
15961 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
15962 * tree-sra.c (sra_replace): Likewise.
15963 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
15964 (forward_propagate_single_use_vars): Likewise.
15965 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
15966 * tree-inline.c (expand_call_inline): Likewise.
15967 * tree-vect-transform.c (vect_transform_loop): Likewise.
15968 * tree-outof-ssa.c (rewrite_trees): Likewise.
15969 * tree-cfg.c (make_goto_expr_edges): Likewise.
15970 (cleanup_dead_labels): Likewise.
15971 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
15972 (bsi_move_before, bsi_move_after): Likewise.
15973 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
15974 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
15976 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
15979 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
15981 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
15982 on non gimple variables. Also add checks at the top for decls and
15984 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
15986 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
15987 and IMAGPART_EXPR for creating MUST_DEFs.
15988 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
15989 and NAME_MEMORY_TAG separately from the DECLs.
15991 2006-01-06 Richard Guenther <rguenther@suse.de>
15993 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
15994 annotation, if necessary.
15995 * tree-ssa-pre.c (create_expression_by_pieces): Remove
15996 redundant calls to update_stmt.
15997 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16000 2006-01-05 Richard Henderson <rth@redhat.com>
16002 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16004 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16006 * c-typeck.c: Update copyright date.
16008 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16010 * c-typeck.c (build_c_cast): Always warn when casting
16011 from a pointer to an integer of different size, even if
16012 the node was constant.
16014 2006-01-05 Richard Guenther <rguenther@suse.de>
16016 PR tree-optimization/22555
16017 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16018 if one structure field is an array.
16019 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16020 operands even if we found a subvar, but ignore VOPs in this
16022 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16024 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16026 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16028 PR middle-end/24998
16029 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16031 2006-01-05 Richard Guenther <rguenther@suse.de>
16032 Diego Novillo <dnovillo@redhat.com>
16034 * tree-pass.h (TODO_remove_unused_locals): Define.
16035 * gimple-low.c (expand_var_p, remove_useless_vars,
16036 pass_remove_useless_vars): Remove. Update all users.
16037 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16038 (remove_unused_locals): New function.
16039 * tree-flow.h (remove_unused_locals): Declare.
16040 * passes.c (execute_todo): Call remove_unused_locals if
16041 TODO_remove_unused_locals is set.
16042 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16043 * tree-ssa-dce.c (pass_dce): Likewise.
16044 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16046 2006-01-05 Richard Guenther <rguenther@suse.de>
16048 * tree-flow.h (struct fieldoff): Decompose field to
16049 type, size and decl.
16050 * tree-ssa-alias.c (create_sft): Take type as parameter.
16051 (create_overlap_variables_for): Store type, size and decl
16052 in the fieldoff structure.
16053 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16054 of struct fieldoff.
16055 (push_fields_onto_fieldstack): Likewise.
16056 (create_variable_info_for): Likewise. Use offset for the
16057 SFT name if the decl is not available.
16059 2006-01-04 Paul Brook <paul@codesourcery.com>
16061 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
16063 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
16065 * lambda-code.c (can_put_in_inner_loop): Relax
16067 (can_put_after_inner_loop): New function.
16068 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
16069 (perfect_nestify): Change to make copies and modify uses.
16071 2006-01-04 Richard Henderson <rth@redhat.com>
16073 Merge from gomp branch:
16074 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
16075 via integer constant.
16076 (pragma_lex): Remove.
16077 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
16078 rather than parsing it.
16079 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
16080 handle_pragma_extern_prefix): Add %< %> quotes.
16081 (registered_pragmas): New.
16082 (c_register_pragma_1): New.
16083 (c_register_pragma): Use it.
16084 (c_register_pragma_with_expansion): Likewise.
16085 (c_invoke_pragma_handler): New.
16086 (init_pragma): Use cpp_register_deferred_pragma directly for
16088 * c-pragma.h (enum pragma_kind): New.
16089 (pragma_handler): New.
16090 (c_invoke_pragma_handler): Declare.
16091 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
16093 * c-common.h (c_common_pch_pragma): Update decl.
16094 * Makefile.in (c-parser.o): Update dependencies.
16095 (GTFILES): Add c-pragma.h.
16096 * c-parser.c (struct c_token): Add pragma_kind.
16097 (struct c_parser): Add in_pragma.
16098 (c_lex_one_token): Always initialize keyword and pragma_kind.
16099 Extract data for CPP_PRAGMA.
16100 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
16101 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
16102 Don't allow CPP_PRAGMA_EOL if in_pragma.
16103 (c_parser_consume_pragma): New.
16104 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
16105 (c_parser_skip_to_end_of_parameter): Likewise.
16106 (c_parser_skip_to_end_of_block_or_statement): Likewise.
16107 (c_parser_skip_to_pragma_eol): New.
16108 (c_parser_external_declaration): Handle CPP_PRAGMA.
16109 (c_parser_compound_statement_nostart): Likewise.
16110 (c_parser_statement_after_labels): Likewise.
16111 (c_parser_pragma): New.
16112 (pragma_lex): Likewise.
16113 (c_parser_pragma_pch_preprocess): New.
16114 (c_parser_new): Merge into ...
16115 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
16117 2006-01-04 Jeff Law <law@redhat.com>
16120 * tree-cfg.c (bsi_replace): Remove the original statement
16121 from the EH throw statement table.
16123 2006-01-04 Jakub Jelinek <jakub@redhat.com>
16125 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
16126 make the prototype extern "C" and add throw ().
16129 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
16130 and pos non-negative and pos + len <= 32.
16131 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
16132 drop pos + len < HOST_BITS_PER_WIDE_INT test.
16133 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
16136 * c-common.c (handle_vector_size_attribute): Reject zero vector size
16137 as well as sizes not multiple of component size.
16140 * function.c (instantiate_expr): New function.
16141 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
16142 walk its DECL_VALUE_EXPR with instantiate_expr.
16144 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
16145 DW_OP_deref{,_size} if address isn't going to be added.
16147 2006-01-04 Ben Elliston <bje@au.ibm.com>
16149 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
16150 * config/fp-bit.c: Likewise.
16152 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
16154 * dominance.c: Add comment about why we use DFS numbering
16157 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16158 Richard Henderson <rth@redhat.com>
16160 Merge from gomp-branch:
16161 * varasm.c (assemble_variable): Handle thread-local COMMON data.
16162 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
16164 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
16166 PR rtl-optimization/25578
16167 * combine.c (combine_simplify_rtx, force_to_mode): Don't
16168 pass a parameter to simplify_shift_const if changing ASHIFTRT
16171 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
16173 * builtins.c (get_builtin_sync_mem): New function.
16174 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
16175 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
16176 Call get_builtin_sync_mem to generate mem rtx.
16178 2006-01-03 Richard Guenther <rguenther@suse.de>
16181 * stmt.c (add_case_node): Make sure to clear overflow flags
16184 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16186 Merge from gomp-branch.
16187 * config/sparc/sync.md: New file.
16188 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
16189 UNSPECV_LDSTUB): New constants.
16190 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
16191 * config/sparc/predicates.md (memory_reg_operand): New predicate.
16192 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
16195 2006-01-03 Roger Sayle <roger@eyesopen.com>
16197 * combine.c (reg_subword_p): New predicate to test whether the
16198 destination of a set refers to a subword/piece of a register.
16199 (try_combine): Generalize the code to merge the setting of a
16200 pseudo to a constant followed by a set of a subword of that
16201 register to a constant.
16203 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
16205 * basic-block.h (control_flow_graph): Change the type of
16206 x_label_to_block_map to VEC(basic_block,gc) *.
16207 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
16208 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
16210 * tree-ssa-propagate.c (cfg_blocks): Change the type to
16211 VEC(basic_block,heap) *.
16212 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
16213 ssa_prop_fini): Adjust the uses of cfg_blocks.
16215 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
16217 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
16219 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
16220 hashing trees instead of a pointer hash.
16221 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
16222 compare for MEM_EXPR.
16224 PR rtl-optimization/25130
16225 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
16226 when comparing MEMs for GCSE
16228 2006-01-03 Ben Elliston <bje@au.ibm.com>
16230 * targhooks.h (default_decimal_float_supported_p): Declare.
16231 * targhooks.c (default_decimal_float_supported_p): Define.
16232 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
16233 `default_decimal_float_supported_p'.
16234 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
16236 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
16238 * combine.c (apply_distributive_law <SUBREG>): Check
16239 TRULY_NOOP_TRUNCATION.
16241 2006-01-02 Geoffrey Keating <geoffk@apple.com>
16243 * dwarf2out.c (have_switched_text_section): Delete.
16244 (have_multiple_function_sections): New.
16245 (have_location_lists): Make 'bool'.
16246 (add_AT_loc_list): Use 'true' not '1'.
16247 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
16248 (output_loc_list): Use have_multiple_function_sections.
16249 (output_ranges): Likewise.
16250 (dwarf2out_begin_function): Set have_multiple_function_sections if
16252 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
16253 Check function_section rather than DECL_SECTION_NAME.
16254 (dwarf2out_finish): Use have_multiple_function_sections.
16255 Don't clear have_location_lists.
16257 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
16258 Jan Hubicka <jh@suse.cz>
16260 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
16261 case of conditional jump jumping to the next instruction.
16262 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
16263 cases of conditional jump jumping to the next instruction.
16265 2006-01-02 Jan Hubicka <jh@suse.cz>
16267 * i386.c (*_cost): Add COSTS_N_INSNS.
16268 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
16270 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
16273 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
16275 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
16277 * config/arm/arm.c (all_fpus): Fix comment typo.
16278 * config/darwin.c: Likewise.
16279 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
16280 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
16281 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
16283 2006-01-01 David Edelsohn <edelsohn@gnu.org>
16285 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
16286 (rs6000_split_compare_and_swapqhi): New.
16287 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
16288 (sync_compare_and_swapqhi_internal): New.
16289 * config/rs6000/rs6000-protos.h: Declare.