1 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
3 * tree.c (local_define_builtin): Replace calls to
4 lang_hooks.builtin_function with add_builtin_function.
5 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
7 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
9 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
10 common code to add_builtin_function.
11 * langhooks.c (add_builtin_function): New function.
12 (lhd_builtin_function): New function.
13 * langhooks.h (struct lang_hooks): Change the signature of
15 (add_builtin_function): New function.
16 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
17 calls to lang_hooks.builtin_function with add_builtin_function.
18 * c-common.c (decl_builtin_1): Replace calls to
19 lang_hooks.builtin_function with add_builtin_function.
20 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
21 lang_hooks.builtin_function with add_builtin_function.
22 * config/frv/frv.c (def_builtin): Replace calls to
23 lang_hooks.builtin_function with add_builtin_function.
24 * config/s390/s390.c (s390_init_builtins): Replace calls to
25 lang_hooks.builtin_function with add_builtin_function.
26 * config/sparc/sparc.c (def_builtin): Replace calls to
27 lang_hooks.builtin_function with add_builtin_function.
28 * config/i386/i386.c (def_builtin): Replace calls to
29 lang_hooks.builtin_function with add_builtin_function.
30 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
31 lang_hooks.builtin_function with add_builtin_function.
32 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
33 lang_hooks.builtin_function with add_builtin_function.
34 * config/stormy16/stormy16.c (xstormy16_init_builtins):
35 Replace calls to lang_hooks.builtin_function with
37 * config/iq2000/iq2000.c (def_builtin):
38 Replace calls to lang_hooks.builtin_function with
40 * config/ia64/ia64.c (def_builtin): Replace calls to
41 lang_hooks.builtin_function with add_builtin_function.
42 * config/rs6000/rs6000.c (def_builtin): Replace calls to
43 lang_hooks.builtin_function with add_builtin_function.
44 (altivec_init_builtins): Replace calls to
45 lang_hooks.builtin_function with add_builtin_function.
46 * config/arm/arm.c (def_mbuiltin): Replace calls to
47 lang_hooks.builtin_function with add_builtin_function.
48 (arm_init_tls_builtins): Replace calls to
49 lang_hooks.builtin_function with add_builtin_function.
50 * config/mips/mips.c (mips_init_builtins): Replace calls to
51 lang_hooks.builtin_function with add_builtin_function.
52 * config/bfin/bfin.c (def_builtin): Replace calls to
53 lang_hooks.builtin_function with add_builtin_function.
54 * langhooks-def.h (lhd_builtin_function): New function.
55 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
57 2006-10-23 Jakub Jelinek <jakub@redhat.com>
59 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
62 2006-10-23 Jan Hubicka <jh@suse.cz>
64 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
65 don't do conversion from memmove to memcpy here.
66 (expand_builtin_bcopy, expand_builtin): Update call of
67 expand_builtin_memmove.
68 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
70 2006-10-23 Paul Brook <paul@codesourcery.com>
72 * stor-layout.c (start_record_layout): maximum_field_alignment
73 overrides STRUCTURE_SIZE_BOUNDARY.
75 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
77 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
78 nonlocal function symbols if flag_pic.
80 2006-10-23 Richard Guenther <rguenther@suse.de>
84 * builtins.c (fold_binary): Remove checks for flag_wrapv
85 and flag_trapv where negate_expr_p covers these cases.
87 2006-10-23 Richard Guenther <rguenther@suse.de>
90 * fold-const.c (fold_plusminus_mult_expr): Check exact power
91 of two on the absolute value.
92 (fold_binary): Fold x * -C to -x * C if x is easily negatable
93 and negating -C does not overflow.
95 2006-10-23 Richard Guenther <rguenther@suse.de>
98 * convert.c (convert_to_real): Fold (float)-x to -(float)x
99 only if not flag_rounding_math.
101 2006-10-22 Richard Sandiford <richard@codesourcery.com>
102 Kaz Kojima <kkojima@gcc.gnu.org>
105 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
106 SImode memory reference for the source of a movua.
107 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
108 (movua): Use an unspec instead of sign_extract. Expect the source
109 to have mode BLKmode.
110 (extv, insv): Use a BLKmode rather than SImode memory reference
111 for the source of a movua.
113 2006-10-22 Jeff Law <law@redhat.com>
114 Richard Guenther <rguenther@suse.de>
116 PR tree-optimization/15911
117 * tree-vrp.c (extract_code_and_val_from_cond): New function.
118 (register_edge_assert_for_1): Likewise.
119 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
120 (find_conditional_asserts): Adjust for new function signature.
121 (find_assert_locations): Likewise.
123 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
125 * config/i386/tmmintrin.h: Remove the duplicated content.
127 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
129 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
130 (x86_64-*-*): Likewise.
132 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
133 (override_options): Check SSSE3.
134 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
135 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
136 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
137 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
138 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
139 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
140 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
141 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
142 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
143 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
144 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
145 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
146 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
147 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
148 IX86_BUILTIN_PABSD128.
149 (bdesc_2arg): Add SSSE3.
150 (bdesc_1arg): Likewise.
151 (ix86_init_mmx_sse_builtins): Support SSSE3.
152 (ix86_expand_builtin): Likewise.
153 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
155 * config/i386/i386.md (UNSPEC_PSHUFB): New.
156 (UNSPEC_PSIGN): Likewise.
157 (UNSPEC_PALIGNR): Likewise.
158 Include mmx.md before sse.md.
160 * config/i386/i386.opt: Add -mssse3.
162 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
163 (ssse3_phaddwv4hi3): Likewise.
164 (ssse3_phadddv4si3): Likewise.
165 (ssse3_phadddv2si3): Likewise.
166 (ssse3_phaddswv8hi3): Likewise.
167 (ssse3_phaddswv4hi3): Likewise.
168 (ssse3_phsubwv8hi3): Likewise.
169 (ssse3_phsubwv4hi3): Likewise.
170 (ssse3_phsubdv4si3): Likewise.
171 (ssse3_phsubdv2si3): Likewise.
172 (ssse3_phsubswv8hi3): Likewise.
173 (ssse3_phsubswv4hi3): Likewise.
174 (ssse3_pmaddubswv8hi3): Likewise.
175 (ssse3_pmaddubswv4hi3): Likewise.
176 (ssse3_pmulhrswv8hi3): Likewise.
177 (ssse3_pmulhrswv4hi3): Likewise.
178 (ssse3_pshufbv16qi3): Likewise.
179 (ssse3_pshufbv8qi3): Likewise.
180 (ssse3_psign<mode>3): Likewise.
181 (ssse3_psign<mode>3): Likewise.
182 (ssse3_palignrti): Likewise.
183 (ssse3_palignrdi): Likewise.
184 (abs<mode>2): Likewise.
185 (abs<mode>2): Likewise.
187 * config/i386/tmmintrin.h: New file.
189 * doc/extend.texi: Document SSSE3 built-in functions.
191 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
193 2006-10-22 Ira Rosen <irar@il.ibm.com>
195 * tree-vect-transform.c (vectorizable_load): Use the type of the
196 return value of the mask_for_load builtin to create realign_load
199 2006-10-22 Richard Sandiford <richard@codesourcery.com>
201 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
204 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
206 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
207 (UNSPEC_LDDQU): This.
208 * config/i386/sse.md (sse3_lddqu): Updated.
210 2006-10-21 Richard Guenther <rguenther@suse.de>
212 * builtins.c (expand_builtin_int_roundingfn_2): New function.
213 (expand_builtin): Use it to expand lrint instead of
214 expand_builtin_mathfn.
216 2006-10-21 Uros Bizjak <uros@kss-loka.si>
219 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
220 flag_unsafe_math_optimizations is set.
222 2006-10-21 Uros Bizjak <uros@kss-loka.si>
225 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
226 patterns to use memory input operand in x87->mem->XMM
227 reload sequences. Skip transformation for TARGET_K8.
229 2006-10-21 Uros Bizjak <uros@kss-loka.si>
231 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
232 force operand1 to register if both operands are memory operands.
233 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
234 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
235 if both operands are memory operands.
236 (truncdfsf2): Do not force operand1 to register if both operands
239 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
241 * Makefile.in (LIBS): Add $(GMPLIBS).
242 * doc/install.texi: Update GMP and MPFR requirements.
243 * doc/sourcebuild.texi (need_gmp): Delete.
245 2006-10-21 Richard Guenther <rguenther@suse.de>
247 PR tree-optimization/3511
248 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
249 got new invariant arguments during PHI translation.
251 2006-10-21 Richard Guenther <rguenther@suse.de>
254 * fold-const.c (fold_comparison): Fold signed comparisons
255 of the form X +- C1 CMP Y +- C2.
257 2006-10-21 Richard Guenther <rguenther@suse.de>
260 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
261 if flag_unsafe_math_optimizations is specified. We have
262 flag_finite_math_only for that.
263 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
264 or flag_unsafe_math_optimizations.
266 2006-10-21 Richard Guenther <rguenther@suse.de>
268 * builtins.c (fold_builtin_classify): Fix typo.
270 2006-10-21 Richard Guenther <rguenther@suse.de>
273 * simplify-rtx.c (simplify_const_relational_operation):
274 Do not constant-fold ORDERED and UNORDERED for
275 flag_unsafe_math_optimizations but only we do not need to
276 honor NaNs for the given mode.
278 2006-10-21 Richard Guenther <rguenther@suse.de>
281 * config/i386/i386.c (classify_argument): Remove redundant
282 walking of the BINFOs.
283 (contains_128bit_aligned_vector_p): Likewise.
285 2006-10-20 Mark Mitchell <mark@codesourcery.com>
287 * BASE-VER: Set to 4.3.0.
289 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
291 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
292 (tree_decl_with_vis): Remove artificial_pta_var flag.
293 * tree-flow.h (referenced_var_check_and_insert): Expose.
294 (nonlocal_all): New prototype.
295 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
296 (nonlocal_all): Make global.
297 (nonlocal_lookup): Remove.
298 (nonlocal_insert): Ditto.
299 (create_nonlocal_var): Do not call nonlocal_insert.
300 (get_nonlocal_id_for_type): Remove.
301 (find_global_initializers): Mark new vars we find for renaming.
302 (intra_create_variable_infos): Only create one nonlocal.
303 (expand_nonlocal_solutions): Remove.
304 (compute_points_to_sets): Don't call it.
305 (ipa_pta_execute): Ditto.
306 (init_alias_heapvars): Don't create nonlocal_for_type.
307 (delete_alias_heapvars): Don't remove it.
308 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
311 2006-10-19 Brooks Moses <bmoses@stanford.edu>
313 * doc/install.texi (Downloading GCC): Clarify mention of
314 Fortran in the "full distribution" description.
316 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
318 Fix PR tree-optimization/28778
319 Fix PR tree-optimization/29156
320 Fix PR tree-optimization/29415
321 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
322 (tree_decl_with_vis): Add artificial_pta_var flag.
323 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
325 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
326 (nonlocal_all): Ditto.
327 (struct variable_info): Add directly_dereferenced member.
328 (var_escaped_vars): New variable.
329 (escaped_vars_tree): Ditto.
330 (escaped_vars_id): Ditto.
331 (nonlocal_vars_id): Ditto.
332 (new_var_info): Set directly_dereferenced.
333 (graph_size): New variable
334 (build_constraint_graph): Use graph_size.
335 (solve_graph): Don't process constraints that cannot change the
336 solution, don't try to propagate an empty solution to our
338 (process_constraint): Set directly_dereferenced.
339 (could_have_pointers): New function.
340 (get_constraint_for_component_ref): Don't process STRING_CST.
341 (nonlocal_lookup): New function.
342 (nonlocal_insert): Ditto.
343 (create_nonlocal_var): Ditto.
344 (get_nonlocal_id_for_type): Ditto.
345 (get_constraint_for): Allow results vector to be empty in the case
347 Handle results of calls properly.
348 (update_alias_info): Update alias info stats on number and type of
350 (find_func_aliases): Use could_have_pointers.
351 (make_constraint_from_escaped): Renamed from
352 make_constraint_to_anything, and changed to make constraints from
354 (make_constraint_to_escaped): New function.
355 (find_global_initializers): Ditto.
356 (create_variable_info_for): Make constraint from escaped to any
357 global variable, and from any global variable to the set of
359 (intra_create_variable_infos): Deal with escaped instead of
360 pointing to anything.
361 (set_uids_in_ptset): Do type pruning on directly dereferenced
363 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
364 (init_base_vars): Fix comment, and initialize escaped_vars.
365 (need_to_solve): Removed.
366 (find_escape_constraints): New function.
367 (expand_nonlocal_solutions): Ditto.
368 (compute_points_to_sets): Call find_escape_constraints and
369 expand_nonlocal_solutions.
370 (delete_points_to_sets): Don't fall off the end of the graph.
371 (init_alias_heapvars): Initialize nonlocal_for_type and
373 (delete_alias_heapvars): Free nonlocal_for_type and null out
376 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
378 * fold-const.c (add_double): Rename to add_double_with_sign.
379 Add 'unsigned_p' parameter and take it into account for the overflow.
380 (mul_double): Rename to mul_double_with_sign.
381 Add 'unsigned_p' parameter and take it into account for the overflow.
382 (fold_div_compare): Call add_double_with_sign instead of add_double
383 and mul_double_with_sign instead of mul_double, passing them the
384 unsignedness of the type.
385 * tree.h (add_double): Macroize.
386 (add_double_with_sign): New prototype.
387 (mul_double): Macroize.
388 (mul_double_with_sign): New prototype.
390 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
392 * config/score/crti.asm: New file.
393 * config/score/crtn.asm: New file.
394 * config/score/elf.h: New file.
395 * config/score/mac.md: New file.
396 * config/score/misc.md: New file.
397 * config/score/mul-div.S: New file.
398 * config/score/predicates.md: New file.
399 * config/score/score7.md: New file.
400 * config/score/score.c: New file.
401 * config/score/score-conv.h: New file.
402 * config/score/score.h: New file.
403 * config/score/score.md: New file.
404 * config/score/score-mdaux.c: New file.
405 * config/score/score-mdaux.h: New file.
406 * config/score/score-modes.def: New file.
407 * config/score/score.opt: New file.
408 * config/score/score-protos.h: New file.
409 * config/score/score-version.h: New file.
410 * config/score/t-score-elf: New file.
411 * config.gcc: Add score*-*-* configurations(Update before).
412 * doc/invoke.texi (Score Options): New section.
413 * doc/md.texi (Score family): New section to document constraints.
415 2006-10-19 Nick Clifton <nickc@redhat.com>
417 * config/arm/arm.c: Fix spelling typo.
419 2006-10-18 Tom Tromey <tromey@redhat.com>
421 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
423 2006-10-18 Jan Hubicka <jh@suse.cz>
426 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
429 2006-10-18 Marcin Dalecki <martin@dalecki.de>
431 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
432 TSI_SAME_STMT, since that's the desired entity.
434 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
436 * config/s390/contraints.md: New file.
437 * config/s390/s390-protos.h (s390_mem_constraint,
438 s390_O_constraint_str, s390_N_constraint_str,
439 s390_float_const_zero_p): Function prototypes added.
440 * config/s390/s390.c (s390_extra_constraint_str,
441 s390_const_double_ok_for_constraint_p,
442 s390_const_ok_for_constraint_p): Functions removed.
443 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
444 s390_float_const_zero_p): New functions.
445 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
446 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
447 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
448 Macro definitions removed.
449 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
450 s390_extra_constraint_str): Functions removed.
452 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
453 Richard Sandiford <richard@codesourcery.com>
456 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
457 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
459 2006-10-16 Geoffrey Keating <geoffk@apple.com>
461 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
462 (DWARF2_FRAME_REG_OUT): Likewise.
463 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
464 (DWARF2_FRAME_REG_OUT): Likewise.
466 2006-10-17 Paul Brook <paul@codesourcery.com>
468 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
470 2006-10-16 Brooks Moses <bmoses@stanford.edu>
472 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
473 Standardize on "GNU Fortran" as the official name of the Fortran
476 2006-10-16 Mike Stump <mrs@apple.com>
478 * doc/invoke.texi (Darwin Options): Document -mkernel.
479 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
481 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
482 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
483 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
484 (OS_MISSING_ALTIVEC): Add.
485 * config/i386/i386.c (override_options): Add
486 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
487 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
488 -mkernel, -static or -mdynamic-no-pic is given.
489 (C_COMMON_OVERRIDE_OPTIONS): Add.
490 * config/darwin.opt (fapple-kext): Add.
492 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
493 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
495 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
496 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
497 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
498 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
499 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
501 (flag_apple_kext): Add.
502 (TARGET_KEXTABI): Add.
503 * config/darwin.c (darwin_handle_kext_attribute): Add.
504 (DARWIN_VTABLE_P): Add.
505 (darwin_binds_local_p): Add partial support for rebinding vtables
507 (darwin_kextabi_p): Add.
508 (darwin_override_options): Add.
509 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
510 (darwin_kextabi_p): Add.
511 (darwin_override_options): Add.
512 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
513 __DYNAMIC__ and __STATIC__ here.
515 2006-10-16 Brooks Moses <bmoses@stanford.edu>
517 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
518 Added mention of "make pdf" target, and Texinfo requirements for
521 2006-10-16 DJ Delorie <dj@redhat.com>
523 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
524 into the GOT in case we need a subreg of the address.
526 2006-10-16 Richard Guenther <rguenther@suse.de>
529 * doc/extend.texi (X86 Built-in Functions): Fix typos in
530 SSE builtin documentation. Document SSE2 builtins.
532 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
534 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
535 symbol in the output file for non-shared links when -nostdlib or
536 -nodefaultlibs isn't specified.
538 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
539 posix thread support.
541 2006-10-15 Jan Hubicka <jh@suse.cz>
544 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
545 declared always_inline even when not inlining.
547 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
548 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
549 Andrew Pinski <pinskia@gmail.com>
552 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
554 2006-10-15 Jan Hubicka <jh@suse.cz>
555 Richard Guenther <rguenther@suse.de>
558 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
559 process_function_and_variable_attributes on all variables, including
560 those discovered during cgraph construction phase.
562 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
564 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
566 2006-10-14 Uros Bizjak <uros@kss-loka.si>
568 * config/i386/athlon.md (athlon_fist): Add fisttp.
570 2006-10-13 David Edelsohn <edelsohn@gnu.org>
571 Ian Lance Taylor <ian@airs.com>
574 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
575 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
578 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
580 * config/score/score.c, config/score/score.h: Fix comment
583 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
586 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
589 2006-10-13 Eric Christopher <echristo@apple.com>
591 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
593 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
596 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
597 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
598 alignment supported by 32-bit ELF.
600 2006-10-13 Eric Christopher <echristo@apple.com>
602 * config/darwin.c (darwin_emit_unwind_label): Strip
603 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
605 2006-10-13 Richard Guenther <rguenther@suse.de>
607 PR tree-optimization/29446
608 * tree-vrp.c (fix_equivalence_set): Remove.
609 (extract_range_from_assert): Do not call fix_equivalence_set.
610 (debug_value_range): Print a newline.
611 (compare_name_with_value): For equivalence sets with
612 inconsistent value ranges conservatively bail out.
613 (compare_names): Likewise.
615 2006-10-13 David Edelsohn <edelsohn@gnu.org>
617 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
618 and MPFR for gfortran.
620 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
622 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
623 alignment supported by 32-bit ELF.
625 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
629 * c-typeck.c (digest_init): Always allow initializing vectors
630 that have static storage duration with compound literals.
631 * tree.c (build_type_attribute_qual_variant): New, based on
632 build_type_attribute_variant.
633 (build_type_attribute_variant): Rewrite using the former.
634 (make_vector_type): Use build_type_attribute_qual_variant to build
635 type variants. Use type_hash_canon on the others.
637 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
638 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
640 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
642 2006-10-12 Jan Hubicka <jh@suse.cz>
645 * c-decl.c (c_make_fname_decl): Do not segfault in case where
646 current_function_decl is set but current_function_scope is not.
648 2006-10-12 Jie Zhang <jie.zhang@analog.com>
650 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
651 emit_insn to emit eh_return_internal instruction.
652 (eh_return_internal): Explicitly set pc.
654 2006-10-11 Richard Guenther <rguenther@suse.de>
656 PR tree-optimization/28230
657 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
658 to the correct place.
660 2006-10-11 Richard Guenther <rguenther@suse.de>
663 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
666 2006-10-10 Brooks Moses <bmoses@stanford.edu>
668 * configure.ac: Added pdf to "Make-hooks"
669 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
670 targets and *.pdf file patterns in cleanup targets.
671 * configure: Regenerated.
673 2006-10-10 Anatoly Sokolov <aesok@post.ru>
675 * config/avr/predicates.md: New file.
676 * config/avr/avr.md: Include it.
677 (REG_SP): New constant.
678 (peepholes): Use predicates.
679 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
680 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
681 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
683 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
685 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
688 2006-10-10 Jakub Jelinek <jakub@redhat.com>
691 * builtins.c (var_decl_component_p): New function.
692 (fold_builtin_memset, fold_builtin_memory_op): Restrict
693 single entry optimization to variables and components thereof.
695 2006-10-10 Richard Guenther <rguenther@suse.de>
697 PR rtl-optimization/29323
698 * except.c (set_nothrow_function_flags): For functions
699 that do not bind local bail out early.
701 2006-10-10 Ben Elliston <bje@au.ibm.com>
703 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
706 2006-10-09 Richard Henderson <rth@redhat.com>
710 2006-10-09 Richard Guenther <rguenther@suse.de>
713 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
716 2006-10-09 Steve Ellcey <sje@cup.hp.com>
719 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
720 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
721 * configure: Regenerate.
722 * config.in: Regenerate.
724 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
726 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
728 2006-10-08 Richard Sandiford <richard@codesourcery.com>
730 * config/mips/mips.c (mips_legitimize_tls_address): Implement
731 all TLS models in the same way as local exec if !TARGET_ABICALLS.
732 Remove stray newline.
734 2006-10-08 Richard Sandiford <richard@codesourcery.com>
736 * config/mips/mips.c (mips_classify_symbol): Do not return
737 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
738 (mips_in_small_data_p): Tweak comments.
740 2006-10-08 Richard Sandiford <richard@codesourcery.com>
742 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
744 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
746 * gimplify.c, sched-int.h: Fix comment typos.
748 * sched-int.h: Fix comment typos.
750 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
752 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
754 * sched-ebb.c (begin_schedule_ready): Use them.
755 * haifa-sched.c (schedule_insn, move_insn, try_ready,
756 add_to_speculative_block, create_check_block_twin, speculate_insn,
757 fix_jump_move, move_block_after_check): Ditto.
758 * sched-rgn.c (new_ready): Ditto.
760 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
762 PR rtl-optimization/29128
763 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
764 * sched-ebb.c (advance_target_bb): Use it to fix condition to
765 allow interblock movement of speculation checks.
767 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
770 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
771 casted to integer type.
772 (get_address_cost): Decrease cost of [symbol + index] addressing modes
773 if they are significantly more expensive than [reg + index] ones.
775 2006-10-06 Jakub Jelinek <jakub@redhat.com>
777 PR tree-optimization/29330
778 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
779 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
780 on newly allocated ddrs.
781 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
782 to VEC (loop_p, heap) pointer.
783 (compute_data_dependences_for_loop): Adjust caller.
784 (free_dependence_relations): Free DDR_LOOP_NEST.
786 * tree-loop-linear.c (linear_transform_loops): Don't forget to
787 free DEPENDENCE_RELATIONS and DATAREFS.
790 * builtins.c (expand_builtin_sync_operation,
791 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
792 Use convert_to_mode to handle promoted arguments.
794 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
796 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
798 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
800 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
802 2006-10-05 Uros Bizjak <uros@kss-loka.si>
804 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
805 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
806 Use <modeconstraint> instead of "r" as operand 1 constraint.
808 2006-10-06 Olivier Hainque <hainque@adacore.com>
810 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
811 Don't recurse on the pointed-to type.
812 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
813 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
814 types with components of variable size.
816 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
818 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
820 2006-10-06 Jakub Jelinek <jakub@redhat.com>
822 PR tree-optimization/29290
823 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
827 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
828 * config/i386/predicates.md (local_symbolic_operand): Likewise.
831 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
832 the number of vector elements fill the rest with zeros.
834 2006-10-05 Richard Sandiford <richard@codesourcery.com>
836 * config/mips/mips.c (mips_pass_by_reference): Do not return false
837 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
840 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
842 * config/bfin/bfin.md (subsi3): Lose expander, change previously
843 unnamed pattern into subsi3. Use correct constraints/predicates.
844 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
845 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
847 2006-10-05 Ira Rosen <irar@il.ibm.com>
849 * doc/loop.texi: Add data references analysis description.
851 2006-10-04 Brooks Moses <bmoses@stanford.edu>
853 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
855 2006-10-04 Richard Henderson <rth@redhat.com>
856 Jakub Jelinek <jakub@redhat.com>
858 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
859 * builtin-types.def (BT_WORD): Make unsigned.
860 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
861 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
862 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
863 * c-decl.c (grokdeclarator): Don't error if !have_tls.
864 * c-parser.c (c_parser_omp_threadprivate): Likewise.
865 * cgraph.c (decide_is_variable_needed): Look at force_output.
866 Recurse for emulated tls.
867 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
868 checks redundant with decide_is_variable_needed.
869 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
870 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
872 * expr.c (emutls_var_address): New.
873 (expand_expr_real_1): Expand emulated tls.
874 (expand_expr_addr_expr_1): Likewise.
875 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
876 * output.h (emutls_finish): Declare.
877 * toplev.c (compile_file): Call it.
878 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
879 address before wrapping in CONST.
880 * varasm.c (emutls_htab, emutls_object_type): New.
881 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
882 (get_emutls_object_name, get_emutls_object_type): New.
883 (get_emutls_init_templ_addr, emutls_decl): New.
884 (emutls_common_1, emutls_finish): New.
885 (assemble_variable): When emulating tls, swap decls; generate
886 constructor for the emutls objects.
887 (do_assemble_alias): When emulating tls, swap decl and target name.
888 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
890 * emutls.c: New file.
891 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
892 tls_object for real tls.
894 2006-10-04 Zack Weinberg <zackw@panix.com>
896 Fix bug in constraint-check generator, reported by Rask Ingemann
898 * genpreds.c (add_constraint): Don't remove anything from the
900 (write_tm_constrs_h): Detect whether "op" argument is used, and
901 mark it ARG_UNUSED if it isn't.
902 (write_insn_const_int_ok_for_constraint): Skip the part of the
903 expression that would test whether "op" (which is not available
904 here) is a CONST_INT.
906 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
909 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
911 2006-10-03 Geoffrey Keating <geoffk@apple.com>
913 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
914 current Leopard versions.
915 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
917 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
919 * doc/install.texi: Fix typos.
921 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
923 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
924 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
925 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
927 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
929 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
930 arg to be struct mach_header_64* instead.
932 2006-10-02 Jakub Jelinek <jakub@redhat.com>
935 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
936 side effects after the outer expression's post side effects.
938 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
940 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
941 comments to reflect actual behavior and relationship between
942 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
944 * doc/c-tree.texi (Working with declarations): Fix documentation
945 of FIELD_DECL likewise.
947 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
950 * doc/extend.texi: Add used variable attribute description.
952 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
955 * c.opt (Woverride-init): New.
956 * c-opts.c (c_common_post_options): Default warn_override_init to
958 * c-typeck.c (add_pending_init, output_init_element): Warn for
959 overriding initializers without side effects.
960 * doc/invoke.texi (-Woverride-init): Document.
963 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
965 PR rtl-optimization/28096
966 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
967 assignment has already been used as a destination earlier in the block.
969 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
971 * builtins.c (expand_builtin_setjmp): Delete.
972 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
973 <BUILT_IN_SETJMP_SETUP>: New case.
974 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
975 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
976 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
977 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
978 (BUILT_IN_SETJMP_RECEIVER): Likewise.
979 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
980 (lower_function_body): Initialize it to false. If it is set to true
981 at the end of the processing, emit the setjmp dispatcher.
982 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
983 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
984 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
985 on the rhs of the assignment.
986 (lower_builtin_setjmp): New function.
987 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
988 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
989 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
990 to detect calls that can go to non-local labels. Use specific
991 helper to create the abnormal edges associated with them.
992 <MODIFY_EXPR>: Likewise.
993 (make_abnormal_goto_edges): New function extracted from...
994 (make_goto_expr_edges): ...here. Call it for computed gotos.
995 (simple_goto_p): Minor tweak.
996 (tree_can_make_abnormal_goto): New predicate.
997 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
998 (tree_purge_dead_abnormal_call_edges): New function.
999 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1000 (tree_purge_dead_abnormal_call_edges): Likewise.
1001 (make_abnormal_goto_edges): Likewise.
1002 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1003 Purge all dead abnormal edges if the call was in the last statement.
1004 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1005 (execute_fixup_cfg): If there are non-local labels in the function,
1006 scan the basic blocks and split them at calls that can go to non-local
1007 labels or add missing abnormal call edges. Write down the CFG in the
1009 (pass_fixup_cfg): Remove TODO_dump_func flag.
1010 * unwind-sjlj.c: Poison setjmp.
1011 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1012 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1013 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1014 (DONT_USE_BUILTIN_SETJMP): Document it.
1016 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1019 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1020 to 1 when __ppc64__ is defined.
1021 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1023 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1025 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1027 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1028 * config/ia64/unwind-hpux.c: Delete.
1030 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1032 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1033 on the element before gimplifying it, instead of punting if it is of
1036 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1038 * doc/loop.texi: New file.
1039 * doc/gccint.texi: Reference loop.texi.
1040 * Makefile.in (loop.texi): Add.
1042 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1044 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1046 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1047 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1049 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
1051 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
1053 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
1055 * doc/install.texi: Document required versions of GMP and MPFR.
1057 2006-09-27 Paul Brook <paul@codesourcery.com>
1060 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
1062 2006-09-27 Richard Sandiford <richard@codesourcery.com>
1064 * reload1.c (alter_reg): Require the alignment of the stack slot to
1065 be at least reg_max_ref_width bytes.
1066 (scan_paradoxical_subregs): Record the largest width in
1069 2006-09-26 Jakub Jelinek <jakub@redhat.com>
1073 * tree-nested.c (struct nesting_info): Added static_chain_added.
1074 (convert_call_expr): Set static_chain_added when adding static
1075 chain. Handle OMP_PARALLEL and OMP_SECTION.
1077 2006-09-25 Matthias Klose <doko@debian.org>
1079 * doc/invoke.texi: Add missing full stop.
1081 2006-09-25 Richard Henderson <rth@redhat.com>
1083 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1084 before cgraph_function_flags_ready.
1086 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1087 Adam Nemet <anemet@caviumnetworks.com>
1089 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1090 determine_common_wider_type): New functions.
1091 (get_computation_aff): Use them to simplify arithmetic between
1092 UBASE and CBASE if they are shortened from the same type.
1094 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1097 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1098 -2147483647 - 1 instead of 0x80000000.
1100 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1102 * flags.h (HONOR_NANS): Fix typo in comment.
1104 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1106 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1108 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1112 * tree.c (merge_attributes, attribute_list_contained): If both
1113 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1115 * c-typeck.c (comptypes_internal): Don't consider aggregates
1116 in different TUs as compatible if there one set of attributes is
1117 not a subset of the other type's attributes.
1118 (composite_type): Try harder not to create a new aggregate type.
1120 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1122 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1123 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1124 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
1125 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1126 than replicating condition above.
1127 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1129 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1130 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
1131 the linker by default.
1133 2006-09-22 Mike Stump <mrs@apple.com>
1135 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
1138 2006-09-22 Richard Guenther <rguenther@suse.de>
1141 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
1142 sort of stack variables stable.
1144 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
1147 * explow.c (force_reg): Set REG_POINTER flag according to
1150 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
1152 PR tree-optimization/28888
1153 * tree-if-conv.c (combine_blocks): Rewritten.
1154 * tree-cfg.c (tree_verify_flow_info): Check that edges with
1155 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
1157 2006-09-22 Jakub Jelinek <jakub@redhat.com>
1159 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
1162 2006-09-21 Richard Sandiford <richard@codesourcery.com>
1164 * varasm.c (copy_constant): Fix reversed gcc_assert check.
1166 2006-09-21 Janis Johnson <janis187@us.ibm.com>
1168 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
1170 2006-09-21 Roger Sayle <roger@eyesopen.com>
1173 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
1174 dw_fde_current_label, to be the start of the function, i.e. the same
1175 value as dw_fde_begin.
1177 2006-09-20 Richard Sandiford <richard@codesourcery.com>
1179 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
1180 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
1181 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
1182 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
1183 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
1184 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
1185 (abs<mode>2, neg<mode>2): Likewise.
1186 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
1187 (*mips_abs_ps): New define_insn.
1189 2006-09-20 Josh Conner <jconner@apple.com>
1192 * calls.c (expand_call): Allow reuse of structure return stack
1195 2006-09-20 Paul Brook <paul@codesourcery.com>
1197 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
1200 2006-09-20 Janis Johnson <janis187@us.ibm.com>
1202 * doc/extend.texi (Decimal Float): Update for latest draft TR,
1203 clean up terminology.
1205 2006-09-20 Steve Ellcey <sje@cup.hp.com>
1208 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
1209 with tablejumps in them.
1211 2006-09-20 Jakub Jelinek <jakub@redhat.com>
1214 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
1215 wrap it into TARGET_EXPR.
1217 2006-09-20 Eric Christopher <echristo@apple.com>
1219 * config/i386/i386.c (x86_fisttp): Remove.
1220 * config/i386/i386.h (x86_fisttp): Ditto.
1221 (TARGET_FISTTP): Ditto.
1223 2006-09-19 Eric Christopher <echristo@apple.com>
1225 * doc/tm.texi (OBJC_JBLEN): Describe.
1226 * config/i386/darwin.h (OBJC_JBLEN): Define.
1227 * config/rs6000/darwin.h: Ditto.
1229 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
1231 PR rtl-optimization/21299
1232 * reload1.c (reload): Purge invalid ASMs in the final pass.
1234 2006-09-19 Steve Ellcey <sje@cup.hp.com>
1237 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
1238 pointers as legitimate constants.
1240 2006-09-19 Paul Brook <paul@codesourcery.com>
1243 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
1245 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
1247 PR tree-optimization/28887
1248 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
1249 component parts from the reference.
1250 (gather_memory_references_ref): Record the reference without the
1251 nonaddressable component parts.
1253 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
1256 * c-opts.c (c_common_handle_option): Ignore the -std options
1257 if the input language is assembly.
1259 2006-09-17 Ira Rosen <irar@il.ibm.com>
1262 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
1264 (ptr_ptr_may_alias_p): Likewise.
1265 (record_record_differ_p): New function.
1266 (base_object_differ_p): Call record_record_differ_p.
1268 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1271 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
1272 away for the expr argument.
1274 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1277 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
1278 before using it for dumping after vectorizing loops.
1280 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1281 Jack Howarth <howarth@bromo.med.uc.edu>
1284 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
1285 skip on error_mark_node.
1286 (rs6000_darwin64_record_arg_recurse): Likewise.
1288 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1290 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
1291 * doc/rtl.texi: Remove related documentation.
1293 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
1295 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
1298 2006-09-15 Jim Wilson <wilson@specifix.com>
1300 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
1301 Handle symbol offsets same as they are handled in ia64_expand_move
1304 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
1306 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
1307 Add forgotten parameter to the fprintf call.
1309 2006-09-15 Steve Ellcey <sje@cup.hp.com>
1311 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
1313 2006-09-15 Uros Bizjak <uros@kss-loka.si>
1315 * doc/contrib.texi: Add my entry.
1317 2006-09-15 Nick Clifton <nickc@redhat.com>
1319 * doc/md.texi (Processor pipeline description): Fix typo in
1320 example of how to use the absence_set directive and reword the
1321 description to make it slightly easier to read.
1323 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
1325 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
1326 * loop-doloop.c (doloop_optimize): Use it to limit costs of
1327 expanding the number of iterations.
1328 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
1330 * cfgrtl.c (emit_insn_at_entry): New function.
1331 * rtl.h (emit_insn_at_entry): Declare it.
1332 * integrate.c (emit_initial_value_sets): Use it.
1334 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
1336 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
1338 (struct loop_work and related VEC declarations): Delete.
1339 (bfin_dump_loops): Print out new member bad.
1340 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
1341 (bfin_scan_loop): Don't recurse.
1342 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
1343 loops. No longer need to update outer loops if the current one is
1344 found bad. Move some validitiy checks to bfin_discover_loop.
1345 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
1346 but changed not to check for nesting. Also changed to use the new bad
1348 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
1349 time. Use bitmap based test to discover loop nesting.
1351 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
1353 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
1356 2006-09-14 Richard Guenther <rguenther@suse.de>
1357 Kazu Hirata <kazu@codesourcery.com>
1359 PR middle-end/28884.
1360 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
1361 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
1362 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
1363 with TARGET_FUNCTION_VALUE.
1365 2006-09-14 Anatoly Sokolov <aesok@post.ru>
1368 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
1370 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
1372 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
1375 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1378 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
1381 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1383 * basic_block.h (bb_has_eh_pred): Fix comment.
1385 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1387 * flow.c (calculate_global_regs_live): Invalidate eh registers
1388 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
1389 (propagate_block): Handle eh registers as if they were set at basic
1391 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
1393 * global.c (global_conflicts): Make eh registers to conflict with
1394 pseudos live at basic block begin.
1395 * basic_block.h (bb_has_eh_pred): New function.
1397 2006-09-13 Richard Sandiford <richard@codesourcery.com>
1399 PR rtl-optimization/28982
1400 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
1401 index of a PRE_MODIFY or POST_MODIFY address.
1402 * reload1.c (inc_for_reload): Use find_replacement on the original
1403 base and index registers.
1405 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
1407 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
1408 for -Os. Update __m128 alignment requirement.
1410 2006-09-13 Jan Hubicka <jh@suse.cz>
1412 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
1414 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1416 PR rtl-optimization/28243
1417 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
1418 the insn to which the note was originally attached.
1420 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1421 Roger Sayle <roger@eyesopen.com>
1423 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
1424 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
1425 on platforms that don't use dwarf for debug info.
1427 2006-09-12 Jason Merrill <jason@redhat.com>
1430 * builtins.c (expand_builtin_setjmp_receiver): Clobber
1431 hard_frame_pointer_rtx after using it to update the frame pointer.
1433 2006-09-12 Roger Sayle <roger@eyesopen.com>
1435 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
1436 (TARGET_ASM_CLOSE_PAREN): Likewise.
1437 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
1438 (TARGET_ASM_CLOSE_PAREN): Likewise.
1440 2006-09-12 Roger Sayle <roger@eyesopen.com>
1443 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
1444 frame information for frames larger than 512 Kbytes on Tru64 when
1445 using the native assembler.
1447 2006-09-12 Roger Sayle <roger@eyesopen.com>
1451 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
1452 and symbols. Instead use the implementation from cse.c's hash_rtx.
1454 2006-09-12 Jan Hubicka <jh@suse.cz>
1456 PR rtl-optimization/28071
1457 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
1458 (vect_transform_loop): Likewise.
1459 * tree-vectorizer.c (new_loop_vec_info): Likewise.
1460 (new_loop_vec_info): Likewise.
1461 (destroy_loop_vec_info): Likewise.
1462 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
1463 (create_stmt_ann): Likewise.
1464 (create_tree_ann): Rename to ...
1465 (create_tree_common_ann): ... this one; allocate only the common part
1467 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
1468 (get_value_handle): Likewise.
1469 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
1470 get_tree_common_ann.
1471 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
1472 (vinfo_for_stmt): Use stmt annotations.
1473 * tree-flow.h (tree_ann_common_t): New type.
1474 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
1475 (tree_ann, get_tree_ann, create_tree_ann): New.
1476 * tree-flow-inline.h (get_function_ann): Do more type checking.
1477 (stmt_ann): Likewise.
1478 (tree_ann): Rename to ...
1479 (tree_common_ann): ... this one; return ony common_ann
1480 (get_tree_ann): Rename to ...
1481 (tree_common_ann): This one; return only common_ann.
1482 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
1485 2006-09-11 Geoffrey Keating <geoffk@apple.com>
1487 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
1488 with_cpu by default.
1490 * dwarf2out.c (dwarf_file_data): New.
1491 (enum dw_val_class): Add dw_val_class_file.
1492 (struct dw_val_struct): Add val_file.
1493 (file_table): Change to a hash table.
1494 (file_table_emitted): Delete.
1495 (file_table_last_lookup_index): Delete.
1496 (emitcount): Delete.
1497 (last_emitted_file): New.
1498 (lookup_filename): Change prototype to return a struct dwarf_file_data.
1499 (init_file_table): Delete.
1500 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
1501 (AT_addr): Add comment.
1505 (print_die): Handle dw_val_class_file.
1506 (print_dwarf_line_table): Update for new file table structure.
1507 (attr_checksum): Do checksum a filename.
1508 (same_dw_val_p, same_attr_p): Do compare a filename.
1509 (size_of_die): Handle dw_val_class_file.
1510 (value_format): Likewise.
1511 (output_die): Likewise. Also, call maybe_emit_file here.
1512 (struct file_info): Constify filenames. Make file_idx a pointer
1513 to a struct dwarf_file_data.
1514 (struct dir_info): Constify directory names. Remove 'used' field.
1515 (struct file_name_acquire_data): New.
1516 (file_name_acquire): New.
1517 (output_file_names): Modify to handle new file data structures.
1518 (add_src_coords_attributes): Use add_AT_file.
1519 (add_call_src_coords_attributes): Likewise.
1520 (dwarf2out_imported_module_or_decl): Likewise.
1521 (gen_subprogram_die): Modify for new file data structures.
1522 (gen_variable_die): Likewise.
1523 (file_table_eq): New.
1524 (file_table_hash): New.
1525 (file_table_last_lookup): New.
1526 (lookup_filename): Rewrite to handle new file data structures.
1527 (maybe_emit_file): Rewrite to handle new file data structures.
1528 (dwarf2out_source_line): Always call lookup_filename and
1530 (dwarf2out_init): Create file_table here.
1531 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
1532 (file_table_relative_p): New.
1533 (dwarf2out_finish): Change detection of relative filenames
1534 to work with new file data structures. Move output_line_info call
1535 after debug_info output.
1537 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
1542 * config/i386/i386.c (override_options): Always default to 16
1543 byte stack boundary.
1545 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
1548 * var-tracking.c (dump_dataflow_set): Start dumping at
1550 (clobber_variable_part): Kill only the variable part in
1551 registers holding it, leaving other variables alone.
1553 2006-09-11 Josh Triplett <josh@freedesktop.org>
1555 * doc/extend.texi (Other Builtins): Actually use the macro
1556 argument in the documentation example for
1557 __builtin_types_compatible_p.
1559 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1561 PR rtl-optimization/28726
1562 * sched-deps.c (sched_analyze_reg): New function extracted from...
1563 (sched_analyze_1): ...here. Call it to analyze references to
1564 registers. Treat again writes to a stack register as writing to the
1566 (sched_analyze_2): ...and here. Call it to analyze references to
1567 registers. Treat again reads of a stack register as reading the
1570 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
1571 David Edelsohn <edelsohn@gnu.org>
1574 * config/rs6000/spe.md (frob_df_di): Remove %H.
1575 (frob_di_df): Remove %H. Change evmergelo to mr.
1576 (frob_di_df_2): Remove %H. Change evldd to two loads.
1578 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
1580 * doc/cpp.texi: Fix names of charset options.
1582 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
1585 * config/i386/i386.c (override_options): Use 128-bit
1586 stack boundary always for 64bits.
1588 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1590 PR rtl-optimization/28636
1591 * combine.c (force_to_mode): Test for side-effects before
1592 substituting by zero.
1593 (simplify_shift_const): Likewise for zero or other constants.
1595 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
1598 * builtins.c (expand_builtin_setjmp): Force next_lab to be
1601 2006-09-10 Richard Sandiford <richard@codesourcery.com>
1604 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
1605 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
1606 returned by mode_for_size, rather than the mode of src itself,
1607 to choose between 32-bit and 64-bit patterns.
1608 (mips_mem_fits_mode_p): New function.
1609 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
1610 that the size of the source matches the size of the destination.
1611 (mov_<store>l, mov_<store>r): Likewise.
1613 2006-09-10 Eric Christopher <echristo@apple.com>
1615 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
1618 2006-09-09 Eric Christopher <echristo@apple.com>
1621 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
1624 2006-09-09 Roger Sayle <roger@eyesopen.com>
1625 Nicolas Setton <setton@adacore.com>
1627 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
1629 2006-09-10 Andreas Schwab <schwab@suse.de>
1631 * config/m68k/m68k.md (bungt_rev): New pattern.
1633 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
1634 Dale Johannesen <dalej@apple.com>
1637 * regclass.c (struct reg_pref): Update documentation.
1638 (regclass): Set prefclass to NO_REGS if memory is the best option.
1639 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1641 2006-09-08 Eric Christopher <echristo@apple.com>
1643 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
1644 * config/t-slibgcc-darwin: Support x86_64 multilib.
1645 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
1646 Return 1 for x86_64-darwin.
1647 * config/i386/t-darwin: Add m64 multilib.
1648 (LIB2_SIDITI_CONV_FUNCS): Use.
1649 (LIB2FUNCS_EXTRA): Ditto.
1650 * config/i386/darwin.h: Support x86_64.
1651 * config/i386/i386.c (override_options): Turn on flag_pic
1652 for x86_64-darwin. Disable flag_omit_pointer.
1653 (get_pc_thunk_name): Assert !TARGET_64BIT.
1654 (legitimate_address_p): Disable machopic addressing for
1656 (legitimize_pic_address): Ditto.
1657 (ix86_expand_move): Ditto.
1658 (ix86_expand_call): Ditto.
1659 (machopic_output_stub): Ditto.
1660 * config/darwin.c (machopic_select_section): Support literal16.
1661 (machopic_select_rtx_section): Ditto.
1662 * config/darwin-sections.def: Ditto.
1663 * config/darwin-64.c: New.
1665 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
1668 * c-tree.h (struct c_arg_info): Add pending_sizes.
1669 * c-parser.c (c_parser_parms_declarator,
1670 c_parser_parms_list_declarator): Initialize pending_sizes.
1671 * c-decl.c (get_parm_info): Initialize pending_sizes.
1672 (get_parm_info): Set pending_sizes.
1673 (grokdeclarator): Call put_pending_sizes for parameters for
1674 function definition only.
1676 2006-09-07 Jason Merrill <jason@redhat.com>
1679 * varasm.c (output_constant): Only strip actual no-op conversions.
1682 * config/i386/i386.c (override_options): Use 128-bit
1683 stack boundary if -msse.
1685 2006-09-07 Eric Christopher <echristo@apple.com>
1687 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
1689 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
1692 2006-09-07 Geoffrey Keating <geoffk@apple.com>
1694 * dwarf2out.c: Remove strange characters from comment above
1695 dwarf2out_frame_debug_expr.
1697 2006-09-07 Eric Christopher <echristo@apple.com>
1699 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
1700 * config/darwin.h: ... to here.
1702 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
1704 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
1706 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
1707 (TARGET_PARTIAL_FLAG_REG_STALL): New.
1709 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
1710 TARGET_PARTIAL_FLAG_REG_STALL.
1711 (*ashldi3_cconly_rex64): Likewise.
1712 (*ashlsi3_cmp): Likewise.
1713 (*ashlsi3_cconly): Likewise.
1714 (*ashlsi3_cmp_zext): Likewise.
1715 (*ashlhi3_cmp): Likewise.
1716 (*ashlhi3_cconly): Likewise.
1717 (*ashlqi3_cmp): Likewise.
1718 (*ashlqi3_cconly): Likewise.
1719 (*ashrdi3_cmp_rex64): Likewise.
1720 (*ashrdi3_cconly_rex64): Likewise.
1721 (*ashrsi3_cmp): Likewise.
1722 (*ashrsi3_cconly): Likewise.
1723 (*ashrsi3_cmp_zext): Likewise.
1724 (*ashrhi3_cmp): Likewise.
1725 (*ashrhi3_cconly): Likewise.
1726 (*ashrqi3_cmp): Likewise.
1727 (*ashrqi3_cconly): Likewise.
1728 (*lshrdi3_cmp_rex64): Likewise.
1729 (*lshrdi3_cconly_rex64): Likewise.
1730 (*lshrsi3_cmp): Likewise.
1731 (*lshrsi3_cconly): Likewise.
1732 (*lshrsi3_cmp_zext): Likewise.
1733 (*lshrhi3_cmp): Likewise.
1734 (*lshrhi3_cconly): Likewise.
1735 (*lshrqi2_cmp): Likewise.
1736 (*lshrqi2_cconly): Likewise.
1738 2006-09-07 Uros Bizjak <uros@kss-loka.si>
1741 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
1742 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
1743 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
1744 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
1745 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
1746 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
1747 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
1748 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
1749 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
1750 implement only CC setting effects of shift instructions.
1752 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
1754 * doc/contrib.texi: Add myself.
1756 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
1759 * stor-layout.c (relayout_decl): Don't zero the alignment if it
1760 was set by the user.
1762 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
1765 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
1766 (divsi_inv_m1): Use them.
1767 (UNSPEC_DIV_INV_TABLE): New constant.
1769 2006-09-06 James E Wilson <wilson@specifix.com>
1772 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
1773 then call count_or_remove_death_notes.
1775 2006-09-06 Jason Merrill <jason@redhat.com>
1778 * tree-inline.c (copy_result_decl_to_var): New fn.
1779 (declare_return_variable): Use it. Call declare_inline_vars here.
1780 (expand_call_inline): Not here.
1782 2006-09-06 Diego Novillo <dnovillo@redhat.com>
1784 * doc/contrib.texi: Update my entry.
1786 2006-09-06 Nick Clifton <nickc@redhat.com>
1788 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
1790 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1793 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
1794 (canonicalize_induction_variables): Likewise.
1795 (tree_unroll_loops_completely): Likewise.
1796 (tree_ssa_prefetch_arrays): Likewise.
1797 (remove_empty_loops): Likewise.
1798 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
1799 TODO_cleanup_cfg instead of directly calling
1800 cleanup_tree_cfg_loop.
1801 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
1803 (tree_unroll_loops_completely): Likewise.
1804 (remove_empty_loops): Likewise.
1805 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
1806 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
1807 of tree_ssa_unswitch_loops.
1808 (tree_ssa_loop_ivcanon): Use the return value of
1809 canonicalize_induction_variables.
1810 (tree_ssa_empty_loop): Use the return value of
1812 (tree_complete_unroll): Use the return value of
1813 tree_unroll_loops_completely.
1814 (tree_ssa_loop_prefetch): Use the return value of
1815 tree_ssa_prefetch_arrays.
1816 * passes.c (execute_todo): Before Cleanup CFG, set
1817 updating_used_alone and after cleanup CFG, call
1818 recalculate_used_alone.
1820 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1823 * tree-vect-transform.c (vectorizable_condition): Move the check
1824 for the type after the check for simple condition.
1826 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
1827 Kaz Kojima <kkojima@gcc.gnu.org>
1830 * mode-switching.c (optimize_mode_switching): Make the destination
1831 block of an abnormal edge have no anticipatable mode. Don't
1832 insert mode switching code at the end of the source block of
1835 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
1837 PR rtl-optimization/26847
1838 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
1839 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
1840 (simplify_plus_minus): Count n_constants while filling ops. Replace
1841 qsort with insertion sort. Before going through the array to simplify
1842 pairs, sort it. Delay early exit until after the first sort, exiting
1843 only if no swaps occurred. Simplify pairs in reversed order, without
1844 special-casing the first iteration. Pack ops after simplifying pairs.
1846 2006-09-05 Anatoly Sokolov <aesok@post.ru>
1848 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
1849 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1850 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1851 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
1853 2006-09-05 Richard Guenther <rguenther@suse.de>
1855 PR tree-optimization/28900
1856 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
1857 compound conditional before creating COND_EXPR condition.
1859 2006-09-05 Richard Guenther <rguenther@suse.de>
1861 PR tree-optimization/28905
1862 * tree-vrp.c (fix_equivalence_set): Manually implement
1863 !value_ranges_intersect_p to also handle symbolic ranges.
1865 2006-09-05 Richard Guenther <rguenther@suse.de>
1868 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
1871 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1873 PR rtl-optimization/27616
1874 * cse.c (table_size): New static variable.
1875 (new_basic_block): Initialize it to 0.
1876 (remove_from_table): Decrement it.
1877 (insert): Increment it.
1878 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
1879 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
1880 fold_rtx_mem_1 if under the cap.
1881 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
1882 the lookup of the equivalent expression and test for equality of the
1883 first operand of the equivalent expression before in turn looking up
1884 an equivalent constant for the second operand.
1886 2006-09-02 Geoffrey Keating <geoffk@apple.com>
1889 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1890 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1891 pointer, instead of assuming it is possible to derive the
1892 correct args size from a call insn.
1894 2006-09-02 Jakub Jelinek <jakub@redhat.com>
1897 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
1898 (fold_builtin_mempcpy): Rename to...
1899 (fold_builtin_memory_op): ... this. Optimize one element copy
1901 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
1903 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
1904 (expand_builtin_memcpy, expand_builtin_mempcpy,
1905 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
1906 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
1907 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
1908 BUILT_IN_MEM{CPY,PCPY,MOVE}.
1910 2006-09-01 DJ Delorie <dj@redhat.com>
1912 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
1913 (stzx_16): Likewise.
1914 ("stzx_24_<mode>"): Likewise.
1915 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
1916 ("cmp<mode>_op"): New.
1917 (cmp<mode>): Change to expander; just save operands.
1919 (b<code>): Change to expander, emit compare here.
1920 (s<code>_op): Change to use split and expander.
1921 (s<code>_24_op): Likewise.
1922 (s<code>_<mode>): New.
1923 (s<code>_<mode>_24): New.
1924 (movqicc_<code>_<mode): New.
1925 (movhicc_<code>_<mode>): New.
1928 * config/m32c/m32c.c (compare_op0, compare_op1): New.
1929 (m32c_pend_compare): New.
1930 (m32c_unpend_compare): New.
1931 (m32c_expand_scc): New.
1932 (m32c_expand_movcc): Emit the compare also.
1933 * config/m32c/predicates.md (mra_nopp_operand): New.
1935 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
1936 Richard Guenther <rguenther@suse.de>
1937 Adam Nemet <anemet@caviumnetworks.com>
1940 * builtins.c (get_pointer_alignment): Handle more forms
1941 of base addresses that can be used to derive more precise
1942 information about alignment.
1944 2006-09-01 Jason Merrill <jason@redhat.com>
1947 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
1950 * gimplify.c (voidify_wrapper_expr): Handle null type.
1952 2006-09-01 Josh Conner <jconner@apple.com>
1955 * tree-nrv.c (dest_safe_for_nrv_p): New function.
1956 (execute_return_slot_opt): Use it.
1958 2006-08-31 Josh Conner <jconner@apple.com>
1961 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
1962 returning aggregates.
1964 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
1966 PR tree-optimization/28839
1967 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
1968 blocks in that phi arguments appear.
1970 2006-08-31 Roger Sayle <roger@eyesopen.com>
1973 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
1974 NULL, otherwise use an advance_loc4 to adjust relative to the
1976 (output_cfi) <DW_CFA_set_loc>: Update the current label.
1977 (dwarf2out_switch_text_section): Reset the current label to avoid
1978 using advance_loc4 over section boundaries.
1980 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
1983 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
1984 r12 + SYMBOLIC_CONST.
1986 2006-08-30 Richard Guenther <rguenther@suse.de>
1988 * Makefile.in (see.o): Add $(EXPR_H) dependency.
1990 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
1992 PR rtl-optimization/27735
1993 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
1994 Add new argument to keep track of whether an irreducible region
1995 was affected. All callers changed.
1996 (fix_irreducible_loops): Removed.
1997 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
1998 flags were invalidated.
2000 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2002 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2003 instead of SF operands.
2004 (*fop_df_comm_sse): Likewise.
2005 (*fop_df_comm_i387): Likewise.
2006 (*fop_df_1_mixed): Likewise.
2007 (*fop_df_1_sse): Likewise.
2009 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2010 J"orn Rennecke <joern.rennecke@st.com>
2012 PR tree-optimization/17506
2013 * tree-ssa.c (warn_uninit): If warning about a location outside of
2014 the current function, note where the variable was declared.
2016 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2018 PR tree-optimization/28411
2019 * double-int.c (double_int_div): Use double_int_divmod.
2020 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2021 double_int_mod, double_int_smod, double_int_umod): New functions.
2022 * double-int.h (double_int_divmod, double_int_sdivmod,
2023 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2025 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2027 (get_computation_aff, get_computation_cost_at): Handle double_int
2028 return type of constant_multiple_of.
2030 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2033 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2034 an implicit conversion.
2036 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2038 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2040 2006-08-27 Roger Sayle <roger@eyesopen.com>
2042 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2045 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2047 * config/i386/crtfastmath.c: Fix a comment typo.
2049 2006-08-26 Roger Sayle <roger@eyesopen.com>
2051 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
2052 temporary visit flags on CASE_LABEL_EXPRs.
2053 * c-common.c (match_case_to_enum): Add function comment. Avoid
2054 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
2055 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
2056 CASE_HIGH_SEEN for enumerated types. If the switch expression is
2057 a constant, only warn if that constant value isn't handled.
2059 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
2062 * input.h (restore_input_file_stack): Declare.
2063 (INPUT_FILE_STACK_BITS): Define.
2064 * toplev.c (fs_p, input_file_stack_history,
2065 input_file_stack_restored, restore_input_file_stack): New.
2066 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
2067 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
2068 (pop_srcloc): Don't free old state of stack.
2070 2006-08-26 David Edelsohn <edelsohn@gnu.org>
2073 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2074 (PowerPC Type Attributes): New.
2076 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2078 * config/xtensa/xtensa.c (function_arg_boundary): New.
2079 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2081 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2082 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2084 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2087 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2090 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2092 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2093 (verify_local_live_at_start): Likewise.
2095 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2098 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2099 omp_add_variable): Treat sizes as variable whenever not
2102 2006-08-26 Richard Guenther <rguenther@suse.de>
2105 * fold-const.c (fold_binary): Fold temporary to correct
2106 type before constructing new comparison.
2108 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2111 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2112 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2114 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2117 * c-decl.c (start_function): Don't try to process prototype
2118 information from old declaration that isn't a function.
2120 2006-08-25 Jan Hubicka <jh@suse.cz>
2123 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2125 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2128 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
2131 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
2133 PR tree-optimization/16876
2134 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
2135 exit if PARM doesn't match VALUE.
2137 2006-08-25 Bob Wilson <bob.wilson@acm.org>
2139 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
2140 literal_prefix directive.
2141 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
2142 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2143 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2145 2006-08-25 David Edelsohn <edelsohn@gnu.org>
2148 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
2149 predicate to general_operand. Add 0->y and I->r alternatives.
2151 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
2153 * doc/tm.texi: Fix a typo.
2154 * predict.c: Fix comment typos.
2156 2006-08-25 Nick Clifton <nickc@redhat.com>
2158 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
2159 assertions of "cpu" and "machine".
2161 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
2164 * tree-ssa-operands.c (access_can_touch_variable): Don't say
2165 the access through a base which has an alias set of 0 cannot
2168 2006-08-24 Bill Wendling <wendling@apple.com>
2170 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
2172 2006-08-24 Jan Hubicka <jh@suse.cz>
2174 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
2176 2006-08-24 Jan Hubicka <jh@suse.cz>
2179 * cgraph.c: Fix comments.
2180 (cgraph_varpool_mark_needed_node): Mark only variables not already
2182 * cgraphunit.c: Update comments; include gt-cgraphunit.h
2183 (cgraph_varpool_assembled_nodes_queue): New static variable.
2184 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
2185 (cgraph_varpool_output_debug_info): New function.
2186 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
2187 * Makefile.in: Add gt-cgraphunit.h
2189 2006-08-24 Jan Hubicka <jh@suse.cz>
2191 * predict.c (probability_reliable_p): New predicate.
2192 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
2193 (predict_loops): Do not predict loop exit with less than 2%
2195 * basic-block.h (edge_probability_reliable_p,
2196 br_prob_note_reliable_p): Declare.
2197 * ia64.h (ia64_print_operand): Do not disable on-chip branch
2198 prediction when static predictor is not reliable.
2199 * rs6000.c (output_cbranch): Likewise.
2201 2006-08-23 Stuart Hastings <stuart@apple.com>
2204 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
2205 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
2207 2006-08-21 Geoffrey Keating <geoffk@apple.com>
2210 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
2211 complex values, nor for generic vector values.
2213 2006-08-22 Richard Guenther <rguenther@suse.de>
2216 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
2217 parameter. Convert arguments to arithmetic expression to the
2219 (analyze_scalar_evolution_1): Adjust caller.
2221 2006-08-22 Jan Hubicka <jh@suse.cz>
2223 Patch by Paolo Bonzini
2224 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
2227 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
2229 PR tree-optimization/28003
2230 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
2231 before grouping aliases.
2233 2006-08-22 Roger Sayle <roger@eyesopen.com>
2235 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
2236 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
2238 2006-08-21 Jason Merrill <jason@redhat.com>
2241 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
2242 wrapper. Loop to handle nested wrappers.
2243 (gimplify_bind_expr): Remove temp parameter.
2244 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
2245 and STATEMENT_LIST on the rhs.
2246 (gimplify_statement_list): Voidify the STATEMENT_LIST.
2247 (gimplify_expr): Pass pre_p to gimplify_statement_list.
2248 (gimplify_target_expr): Remove special BIND_EXPR handling.
2250 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
2252 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
2255 2006-08-21 Olivier Hainque <hainque@adacore.com>
2257 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
2258 Arrange for the temporary captures of components overlapping the lhs
2259 to happen before the lhs is possibly cleared.
2261 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
2263 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
2264 necessary places to pass the correct "number of registers" values
2267 2006-08-20 Jan Hubicka <jh@suse.cz>
2269 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
2270 (create_name_tags): Instead of quadratic checking use hashtable.
2271 * bitmap.h: Include hashtab.h.
2272 (bitmap_hash): Declare.
2273 * bitmap.c (bitmap_hash): New function.
2275 2006-08-20 Jan Hubicka <jh@suse.cz>
2277 PR rtl-optimization/28071
2278 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
2280 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
2281 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
2282 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
2283 cgraph_decide_inlining_incrementally): Update use of
2284 cgraph_check_inline_limits.
2285 * cgraph.c (edge_hash, edge_eq): New function.
2286 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
2287 cgraph_edge_remove_caller, cgraph_node_remove_callees,
2288 cgraph_remove_node): Maintain call site hash.
2289 * cgraph.h (struct cgraph_node): Add call_site_hash.
2290 (cgraph_set_call_stmt): New function.
2292 2006-08-20 Jan Hubicka <jh@suse.cz>
2294 PR rtl-optimization/28071
2295 * reload1.c (reg_has_output_reload): Turn into regset.
2296 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
2297 choose_reload_regs, emit_reload_insns): Update to new
2298 reg_has_output_reload.
2300 2006-08-20 Jan Hubicka <jh@suse.cz>
2303 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
2304 function body sizes.
2305 * cgraphunit.c (cgraph_analyze_function): Don't do so.
2307 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
2310 * tree.c (handle_dll_attribute): Return early if not a
2311 var or function decl.
2313 2006-08-18 Joseph Myers <joseph@codesourcery.com>
2316 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
2317 alignment of SPE vector types.
2319 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
2321 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
2323 2006-08-17 Jakub Jelinek <jakub@redhat.com>
2326 * cgraph.h (struct cgraph_node): Remove externally_visible
2328 * cgraphunit.c (process_function_and_variable_attributes): Set
2329 local.externally_visible rather than externally_visible.
2332 * c-common.c (handle_externally_visible_attribute): First look
2333 at TREE_CODE and only if it is function or var decl, check for
2334 non-public objects. Don't warn for DECL_EXTERNAL.
2335 * cgraphunit.c (process_function_and_variable_attributes): Warn
2336 if externally_visible attribute is used on non-public object.
2338 2006-08-17 Jan Hubicka <jh@suse.cz>
2340 PR tree-optimization/27865
2341 * reload1.c (forget_marked_reloads): New function.
2342 (forget_old_reloads_1): When data are passed, just mark the registers
2344 (reload_as_needed): Use the new mechanizm.
2346 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
2349 * reload.h (reg_equiv_alt_mem_list): New declaration.
2350 * reload1.c (reg_equiv_alt_mem_list): New definition.
2351 (reload): Initialize it and release it.
2352 (delete_output_reload): Use it.
2353 * reload.c (push_reg_equiv_alt_mem): New function.
2354 (find_reloads_toplev): Call it.
2355 (find_reloads_address, find_reloads_address_1): Likewise.
2356 (find_reloads_subreg_address): Likewise.
2358 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2360 PR rtl-optimization/28489
2361 * sched-ebb.c (begin_schedule_ready): Create basic block
2363 (advance_target_bb): Skip empty blocks.
2364 * haifa-sched.c (bb_note): Make global.
2365 * sched-int.h (bb_note): Add prototype.
2367 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2369 PR tree-optimization/27865
2370 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
2372 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
2373 fold_used_pointer, pointer_used_p): New functions.
2374 (analyze_scalar_evolution_1): Use fold_used_pointer.
2375 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
2376 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
2379 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
2382 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
2383 or the INTEGER_CST. Fail on a CALL_EXPR.
2384 (fold_offsetof): Pass new argument to fold_offsetof_1.
2385 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
2386 operand into an INDIRECT_REF.
2387 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
2389 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2391 PR gcov/profile/26570
2392 * value-prof.c (static_values): Removed.
2393 (tree_find_values_to_profile): Do not set static_values.
2394 (find_values_to_profile): Do not free static_values.
2395 * profile.c (instrument_values): Do not free the values.
2396 (branch_prob): Free the values.
2398 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
2400 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
2402 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
2405 * c-typeck.c (build_component_ref): Combine qualifiers of
2406 structure or union and field.
2408 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2410 PR rtl-optimization/28071
2411 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
2412 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
2413 * tree-into-ssa.c (struct dom_dfsnum): New.
2414 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
2416 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
2417 compute_global_livein.
2418 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
2419 in phi nodes in the correct blocks.
2421 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2423 PR tree-optimization/28364
2424 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
2426 (fold_affine_expr): New function.
2427 (may_eliminate_iv): Use fold_affine_expr.
2429 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2432 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
2435 2006-08-16 Mike Stump <mrs@apple.com>
2437 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
2438 * doc/cppopts.texi (-MD): Likewise.
2440 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
2443 * c-common.c (handle_weak_attribute): Ignore and warn if
2444 not a FUNCTION_ or VAR_DECL.
2446 2006-07-15 Mike Stump <mrs@apple.com>
2449 * c-parser.c (c_parser_typeof_specifier): Don't use
2450 c_finish_expr_stmt, open code desired semantics instead.
2452 2006-08-15 Nick Clifton <nickc@redhat.com>
2454 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
2455 fragment to tmake_file only if threads are enabled.
2456 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
2457 * config/i386/t-gthr-win32: New file. ... here.
2459 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2462 * c-parser.c (c_parser_compound_statement_nostart): Reset
2463 parser->error after each statement.
2465 2006-08-15 Jakub Jelinek <jakub@redhat.com>
2468 * omp-low.c (lower_omp_parallel): Convert t to
2469 receiver_decl's type.
2470 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
2471 source before comparison.
2474 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
2475 to itype in assignment to oldival2.
2477 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
2481 * c-typeck.c (build_compound_expr): If the second expression
2482 is an error mark, then just return an error mark instead of
2483 creating a COMPOUND_EXPR.
2485 2006-07-14 Mike Stump <mrs@apple.com>
2487 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
2489 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
2491 * c-decl.c, var-tracking.c: Fix comment typos.
2493 2006-08-14 Richard Sandiford <richard@codesourcery.com>
2495 PR rtl-optimization/28634
2496 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
2497 for floating-point modes unless flag_unsafe_math_optimizations.
2499 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
2500 Andrew Pinski <pinskia@physics.uc.edu>
2503 * tree.c (build_array_type): Unify array types with
2504 unspecified index_type.
2505 * c-decl.c (grokdeclarator): Make sure we do not modify a
2506 unified incomplete array type.
2507 * c-typeck.c (store_init_value): Create distinct type before
2508 filling in the index type in an initializer from a compound
2511 * c-decl.c (grokdeclarator): Remove code where we copy the
2514 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
2516 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
2517 into account for TODO_dump_cgraph.
2518 (TODO_update_ssa_no_phi): Likewise.
2519 (TODO_update_ssa_full_phi): Likewise.
2520 (TODO_update_ssa_only_virtuals): Likewise.
2521 (TODO_remove_unused_locals): Likewise.
2522 (TODO_set_props): Likewise.
2523 (TODO_update_stmt_usage): Likewise.
2525 2006-08-13 Dirk Mueller <dmueller@suse.de>
2527 * c-common.c (strict_aliasing_warning): Fix formatting.
2529 2006-08-13 Matthias Klose <doko@debian.org>
2531 * doc/invoke.texi: Fix spelling errors.
2533 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2535 PR rtl-optimization/23454
2536 * reorg.c (relax_delay_slots): Update comment.
2538 2006-08-11 Richard Guenther <rguenther@suse.de>
2541 * simplify-rtx.c (simplify_const_relational_operation):
2542 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
2545 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
2547 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
2548 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
2550 2006-08-10 Paul Brook <paul@codesourcery.com>
2552 * final.c (final_scan_insn): Clear current_insn_predicate before
2553 outputting inline asm.
2555 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
2557 PR tree-optimization/26197
2558 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
2559 get_ref_base_and_extent and overlap_subvar to add only relevant
2560 subvars as may-aliases.
2561 (add_may_alias_for_new_tag): New function, factored out of
2563 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
2564 with additional argument.
2565 * tree-flow.h (new_type_alias): Takes additional argument.
2567 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
2569 * gcov.c (no_data_file): New flag.
2570 (read_count_file): Set it if data file not present. Assume counts
2572 (output_lines): Don't name the data file, if there wasn't one.
2574 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
2576 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
2577 (rs6000_generate_compare): Tweak comments.
2578 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
2580 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
2582 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
2583 (var_debug_decl): New function.
2584 (var_reg_set): Follow debug decl link. Add location even if
2585 reg is already known to hold some other variable.
2586 (var_mem_set): Follow debug decl link.
2587 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
2588 decl link. Delete other known locations of the variable part
2590 (var_reg_delete, var_mem_delete): Delete other known locations
2591 of the variable part if requested.
2592 (same_variable_part_p): New function.
2593 (add_stores): Select MO_COPY when appropriate.
2594 (vt_initialize): Handle it.
2595 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
2596 known locations for MO_SET and MO_CLOBBER.
2597 (find_variable_location_part): New function.
2598 (set_variable_part, delete_variable_part): Use it.
2599 (clobber_variable_part): New function.
2600 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
2603 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
2605 PR tree-optimization/26969
2606 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
2607 with an empty list of PHIs.
2609 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
2613 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
2616 2006-08-06 Andreas Schwab <schwab@suse.de>
2618 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
2619 string. Whitespace and comment fixup.
2621 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2624 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
2628 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
2631 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
2633 2006-08-04 Jan Hubicka <jh@suse.cz>
2637 * reload.c (push_reload): Patch out the mismatching instruction;
2639 (find_reload): Bail out if the instruction was patched out.
2641 2006-08-04 Jan Hubicka <jh@suse.cz>
2643 PR tree-optimization/24888
2644 * tree-inline.c (expand_call_inline): Do not re-record variables.
2645 (declare_inline_vars): Add variable to unexpanded_var_list.
2647 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2648 Roger Sayle <roger@eyesopen.com>
2650 PR rtl-optimization/26244
2651 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
2652 inner_const are negative or greater than or equal to the bitsize of
2653 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
2654 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
2655 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
2656 CONST0_RTX (mode) when the new shift count is greater than or equal to
2657 to the bitsize of the object being shifted and XEXP (y, 0) has no side
2660 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
2662 * tree-cfg.c: Fix a comment typo.
2664 2006-08-03 Mark Mitchell <mark@codesourcery.com>
2667 * varasm.c (output_constant): Give the front end another chance to
2668 expand constants, after stripping NOPs.
2670 2006-08-03 Jan Hubicka <jh@suse.cz>
2672 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
2675 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
2677 PR tree-optimization/27770
2678 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
2679 declaration removed (moved to tree-flow.h).
2680 (vect_can_force_dr_alignment_p): Likewise.
2681 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
2682 (moved from tree-vectorizer.h).
2683 (vect_can_force_dr_alignment_p): Likewise.
2684 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
2685 from outside the vectorizer - in particular from cgraph stage.
2686 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
2687 the alignment of global arrays when -fsection-anchors is enabled.
2688 * cgraphunit.c (cgraph_increase_alignment): New function.
2689 (cgraph_optimize): Call cgraph_increase_alignment.
2691 2006-08-03 David Edelsohn <edelsohn@gnu.org>
2694 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
2695 not reload a SPE symbol_ref into a lo_sum address.
2697 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
2700 * dwarf2out.c (prune_unused_types_prune): Move call to
2701 prune_unused_types_update_strings to cover the parent DIE also.
2703 2006-08-02 Jan Hubicka <jh@suse.cz>
2705 PR gcov/profile/28480
2706 * tree-cfg.c (change_bb_for_stmt): New function.
2707 (tree_merge_blocks, tree_split_blocks): Use it.
2709 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2715 * toplev.c (compile_file): Return early on errorcount or sorrycount.
2716 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
2717 (cgraph_optimize): Likewise.
2719 2006-08-01 Stuart Hastings <stuart@apple.com>
2721 * rtl.h (UINTVAL) New.
2722 * config/rs6000/rs6000.c (SMALL_INT) Use it.
2723 * testsuite/gcc.dg/20060801-1.c: New.
2725 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
2728 * c-typeck.c (build_external_type): Mark used enum types.
2729 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
2731 (gen_subprogram_die): Whitespace fix.
2733 2006-08-01 Jan Hubicka <jh@suse.cz>
2735 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
2736 bitmap when not needed.
2737 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
2740 2006-08-01 Dirk Mueller <dmueller@suse.de>
2742 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
2744 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2746 * Makefile.in: Revert part of previous patch:
2747 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
2750 2006-07-30 Eric Christopher <echristo@apple.com>
2753 * doc/extend.texi (i386 Variable Attributes): Add anchor.
2754 (PowerPC Variable Attributes): New section.
2756 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
2758 PR target/28126 (partial fix)
2759 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
2761 2006-07-28 Jan Hubicka <jh@suse.cz>
2763 PR rtl-optimization/28071
2764 * cfgrtl.c (rtl_delete_block): Free regsets.
2765 * flow.c (allocate_bb_life_data): Re-use regsets if available.
2767 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2769 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
2770 and variables used in dependencies.
2772 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
2774 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
2775 %fs for -mcmodel=kernel.
2776 (stack_tls_protect_test_di): Likewise.
2778 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
2780 * Makefile.in: Use mkinstalldirs.
2782 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
2785 * opts-common.c (prune_options): Skip joined switches.
2787 2006-07-27 Jan Hubicka <jh@suse.cz>
2789 PR rtl-optimization/28071
2790 * cselib.c (cselib_process_insn): Don't remove useless values too
2791 often for very large hashtables.
2793 2006-07-27 Jan Hubicka <jh@suse.cz>
2795 PR rtl-optimization/28071
2796 * global.c (greg_obstack): New obstack.
2797 (allocate_bb_info): Use it.
2798 (free_bb_info): Likewise.
2799 (modify_reg_pav): Likewise.
2801 2006-07-27 Roger Sayle <roger@eyesopen.com>
2803 * builtins.c (fold_fixed_mathfn): When long and long long are the
2804 same size, canonicalize llceil*, llfloor*, llround* and llrint*
2805 functions to their lceil*, lfloor*, lround* and lrint* forms.
2807 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2810 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
2812 (rev_branch_insn): Likewise.
2814 2006-07-27 Jan Hubicka <jh@suse.cz>
2816 PR rtl-optimization/28071
2817 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
2818 (reg_set_in_bb, max_reg_computed): New static variables.
2819 (regmove_optimize): Free the new array.
2820 (fixup_match_1): Update call of reg_is_remote_constant_p.
2822 2006-07-26 Jan Hubicka <jh@suse.cz>
2824 PR tree-optimization/27882
2825 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
2827 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
2829 (cgraph_analyze_compilation_unit): Likewise.
2830 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
2831 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
2832 (cgraph_early_inlinine): Make order garbage collected.
2833 * Makefile.in (gt-ipa-inline): New garbagecollected file.
2835 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2837 * dbxout.c (output_types_sort): Add a comment.
2838 (output_used_types): Free the VEC.
2840 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2842 * function.c (reorder_fix_fragments): Delete.
2843 (reorder_blocks): Don't call it.
2844 (reorder_blocks_1): Put all subblocks under the origin block.
2846 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
2848 PR rtl-optimization/27907
2849 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
2852 2006-07-25 Roger Sayle <roger@eyesopen.com>
2855 * convert.c (convert_to_integer): When transforming (T)foo(x) into
2856 bar(x) check that bar's result type can represent all the values of T.
2858 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
2860 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
2862 2006-07-25 Nick Clifton <nickc@redhat.com>
2864 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
2865 size_lookup[] array.
2866 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
2867 (ggc_pch_count_object): Likewise.
2868 (ggc_pch_alloc_object): Likewise.
2869 (ggc_pch_write_object): Likewise.
2870 (init_ggc): Do not attempt to initialize entries in the
2871 size_lookup[] array for objects whose size is greater than than
2872 the length of the array.
2874 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
2876 * dbxout.c (output_used_types_helper): Push queued types
2878 (output_types_sort): New.
2879 (output_used_types): Collect used types on a VEC and sort them
2882 2006-07-24 Richard Guenther <rguenther@suse.de>
2885 * cgraph.c (cgraph_remove_node): Do not check if dumps
2887 * cgraphunit.c (cgraph_optimize): Likewise.
2889 2006-07-24 Jan Hubicka <jh@suse.cz>
2891 PR rtl-optimization/28071
2892 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
2893 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
2894 splitting before first stmt.
2896 2006-07-24 Jan Hubicka <jh@suse.cz>
2898 PR rtl-optimization/28071
2899 * ipa-inline.c (update_caller_keys): Remove edges that
2900 are no longer inline candidates.
2902 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
2905 * dbxout.c (output_used_types_helper, output_used_types): New.
2906 (dbxout_symbol): Call output_used_types.
2908 2006-07-23 Jan Hubicka <jh@suse.cz>
2912 * cgraph.c (cgraph_varpool_nodes): Export.
2913 (decide_is_variable_needed): Ignored "used" attribute in
2914 unit-at-a-time mode.
2915 * cgraph.h (cgraph_varpool_nodes): Declare.
2916 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
2917 unit-at-a-time mode.
2919 2006-07-23 Roger Sayle <roger@eyesopen.com>
2922 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
2923 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
2924 the __gthrw form of thr_keycreate.
2925 (__gthread_key_delete): Silence the unused argument warning.
2927 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
2930 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
2931 Cache the last found '\0' marker to avoid quadratic behavior.
2933 2006-07-23 Jan Hubicka <jh@suse.cz>
2935 * i386.md (subsi_3_zext): Fix output template.
2937 2006-07-21 Mike Stump <mrs@apple.com>
2939 * doc/invoke.texi (C++ Dialect Options): Note that
2940 -fvisibility-inlines-hidden doesn't affect explicitly
2941 instantiationed inline methods.
2943 2006-07-20 Roger Sayle <roger@eyesopen.com>
2945 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
2946 if the target assembler is GNU binutils' gas.
2947 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
2948 whether to pass GNU gas or native as command line options.
2950 2006-07-20 Jason Merrill <jason@redhat.com>
2952 * tree.c (remove_attribute): New fn.
2953 * tree.h: Declare it.
2955 2006-07-20 Paul Brook <paul@codesourcery.com>
2958 * cse.c (cse_insn): Add destination addresses to hash table. Check if
2959 they are invalidated by this instruction.
2961 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
2964 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
2966 2006-07-20 Eric Christopher <echristo@apple.com>
2969 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
2971 2006-07-19 Eric Christopher <echristo@apple.com>
2973 * config/t-slibgcc-darwin (stmp-lipo): Remove.
2974 Rewrite dependencies for libgcc_s.1.dylib.
2976 2006-07-19 Jakub Jelinek <jakub@redhat.com>
2978 * except.c (duplicate_eh_regions_1): Clear next_peer.
2980 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
2982 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
2983 -mlongcall does not guarantee all calls will be long.
2984 * doc/extend.texi (long_call/short_call): Document that longcall
2985 does not guarantee a long call will be used.
2986 (longcall/shortcall): Likewise.
2988 2006-07-18 Roger Sayle <roger@eyesopen.com>
2991 * expmed.c (expand_shift): Additionally check that the shift_cost
2992 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
2993 before implementing a LSHIFT_EXPR as a sequence of additions.
2994 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
2995 middle-end that DImode shifts need to be synthesized by expand.
2997 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3000 * tree-ssa-operands.c (access_can_touch_variable): Update
3002 Return true if ALIAS is .GLOBAL_VAR.
3004 2006-07-18 David Daney <ddaney@avtrex.com>
3006 * gcc.c (display_help): Fix typo in help text.
3008 2006-07-18 Olivier Hainque <hainque@adacore.com>
3010 * tree.h (categorize_ctor_elements): Adjust prototype and add
3011 descriptive comment, both in accordance with the interface change
3013 * varasm.c (constructor_static_from_elts_p): New function.
3014 Whether a constructor node is a valid static constant initializer
3015 if all its elements are.
3016 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3017 * output.h: Declare it.
3018 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3019 is a valid constant initializer instead of computing the number of
3020 non-constant elements. Use constructor_static_from_elts_p for this
3021 purpose. Replace the head comment with an indication that this is a
3022 helper for categorize_ctor_elements.
3023 (categorize_ctor_elements): Same interface change as for the _1
3024 helper. Former head comment from this helper moved here, adjusted to
3025 account for the interface changes.
3026 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3027 (all_zeros_p): Likewise.
3028 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3029 static versions of the constructor from the categorize_ctor_elements
3030 return value instead of the formerly computed number of non-constant
3033 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3035 * configure: Regenerate.
3036 * Makefile.in (build_libsubdir): New configure substitution
3037 (build_libobjdir): New variable.
3038 (BUILD_LIBIBERTY): Use it.
3040 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3043 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3045 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3048 * c-common.c (handle_weakref_attribute): Ignore attribute in
3049 the same conditions the alias attribute is ignored.
3051 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
3053 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
3054 (dbxout_begin_prologue): Increment scope_labelno.
3056 2006-07-17 Richard Henderson <rth@redhat.com>
3059 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
3062 2006-07-17 Roger Sayle <roger@eyesopen.com>
3063 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3065 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
3066 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
3067 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
3068 functions such as sbrk, write, etc.. Add function prototypes.
3069 Convert function declarations from K&R to ISO C. Cast pointers
3070 to "long" and "unsigned long" instead of "int" and "unsigned int".
3071 Convert tokens following #endif into comments.
3073 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3075 * invoke.texi: Remove mention of f77; Reformat table for
3076 inline parameter options correctly; mention that -malign-double
3077 is default on x86-64 targets.
3079 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3081 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3082 (convert_affine_scev, chrec_convert_aggressive): Use
3083 avoid_arithmetics_in_type_p. Do not check for the subtypes
3086 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3089 * optabs.c (expand_doubleword_shift): Wrap the call to
3090 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3092 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3095 * optabs.c (expand_binop): Pass next_methods rather than methods
3096 to expand_doubleword_shift.
3098 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3101 * tree.h (dump_addr): Declare.
3102 * print-tree.c (dump_addr): New function.
3103 (print_node_brief, print_node): Use it.
3104 * print-rtl.c (print_rtx): Likewise.
3105 * common.opt (-fdump-noaddr): New option.
3106 * doc/invoke.texi (-fdump-noaddr): Document.
3107 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3108 (ve_info_hash): Likewise.
3110 2006-07-13 Andrew Haley <aph@redhat.com>
3112 PR tree-optimization/19505
3113 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3114 edge leaving this block, make sure that the destination of this
3115 block has only one predecessor.
3117 2006-07-17 Richard Guenther <rguenther@suse.de>
3119 PR tree-optimization/28238
3120 * tree-inline.c (copy_bb): Check if we produced valid
3121 gimple copying and substituting a stmt. If not, gimplify
3124 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3126 * optabs.c (maybe_encapsulate_block): New function extracted from...
3127 (emit_libcall_block): ...here. Invoke it on the block of insns to
3128 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3129 (emit_no_conflict_block): Likewise.
3131 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3133 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
3135 2006-07-15 Roger Sayle <roger@eyesopen.com>
3137 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
3138 a new NOP_EXPR case of the switch statement.
3140 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
3143 * stor-layout.c (place_field): Take the bit field with
3144 an excessive size into account in the ms-bitfiled case.
3147 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
3148 the previous bit field.
3150 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
3153 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
3155 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
3157 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
3158 signal frames correctly even when the signal was installed with
3161 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
3163 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
3164 (dbxout_function_end): Use local label LFBB. Remove hook
3166 (dbxout_source_line): Use local label LFBB.
3167 (dbxout_block): Likewise.
3168 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
3169 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
3170 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
3171 and DBX_OUTPUT_NFUN.
3173 2006-07-13 Janis Johnson <janis187@us.ibm.com>
3175 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
3177 2006-07-13 Jan Hubicka <jh@suse.cz>
3179 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
3181 * output.h (align_variable): Declare.
3182 * varasm.c (align_variable): Export.
3183 * value-prof.c (tree_value_profile_transformations): Recompute iterator
3184 when basic block changed.
3186 2006-07-13 Nick Clifton <nickc@redhat.com>
3188 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
3189 walking the LOG_LINKS chain.
3191 2006-07-12 Geoffrey Keating <geoffk@apple.com>
3193 * doc/invoke.texi (C++ Dialect Options): Explain difference
3194 between -fvisibility-inlines-hidden and setting hidden
3195 visibility explicitly.
3197 2006-07-12 Eric Christopher <echristo@apple.com>
3199 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
3200 (stmp-lipo): Depend on libgcc.a.
3202 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
3204 * tree.c: Fix a comment typo.
3206 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
3208 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
3210 (umulhisi3_r): Likewise.
3212 2006-07-12 Paolo Carlini <pcarlini@suse.de>
3215 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
3216 x < 19, vs wchar_t support.
3218 2006-07-12 Nick Clifton <nickc@redhat.com>
3220 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
3221 instead of -isa=sh4.
3223 2006-07-12 Mike Stump <mrs@apple.com>
3225 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
3227 2006-07-10 Eric Christopher <echristo@apple.com>
3229 * config/t-slibgcc-darwin: Rewrite.
3231 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3234 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
3237 2006-07-08 Matthias Klose <doko@debian.org>
3239 * doc/sourcebuild.texi: Fix typo.
3241 2006-07-07 Mike Stump <mrs@apple.com>
3243 * toplev.c (process_options): Don't give -ffunction-sections may
3244 affect debugging warning for Mach-O.
3246 2006-07-07 James E Wilson <wilson@specifix.com>
3248 * config/mips/mips.md (cpu): Add sb1a.
3249 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
3250 addition to sb1. Adjust comments to clarify SB-1A differences from
3252 (ir_sb1a_load): New. Modify bypasses to use it.
3253 (ir_sb1a_simple_alu): Likewise.
3254 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
3255 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
3256 (mips_issue_rate): Add PROCESSOR_SB1A.
3257 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
3258 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
3259 (TARGET_SB1): Add PROCESSOR_SB1A check.
3260 (TUNE_SB1): Likewise.
3262 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
3263 * config/mips/mips.c (mips_store_data_bypass_p): New.
3264 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
3265 store_data_bypass_p.
3267 2006-07-08 Paul Brook <paul@codesourcery.com>
3270 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
3272 2006-07-07 Richard Guenther <rguenther@suse.de>
3275 * tree.h (build_one_cst): Declare.
3276 * tree.c (build_one_cst): New function.
3277 * tree-ssa-math-opts.c (get_constant_one): Remove.
3278 (insert_reciprocals): Use build_one_cst.
3279 * fold-const.c (fold_plusminus_mult): Likewise.
3281 2006-07-07 Roger Sayle <roger@eyesopen.com>
3283 * pointer-set.c (pointer_set_destroy): Correct whitespace.
3284 * cfgloopanal.c (dump_graph): Likewise.
3285 * dojump.c (discard_pending_stack_adjust): Likewise.
3286 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
3288 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
3289 * function.c (finalize_block_changes): Likewise.
3290 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
3291 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
3292 * rtl.c (dump_rtx_statistics): Likewise.
3293 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
3295 * varray.c (dump_varray_statistics): Likewise.
3296 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
3297 decode_decimal64, encode_decimal128, decode_decimal128,
3298 decimal_real_to_decimal): Likewise.
3300 2006-07-07 Richard Guenther <rguenther@suse.de>
3302 PR tree-optimization/28187
3303 * tree-vrp.c (vrp_operand_equal_p): New function.
3304 (vrp_bitmap_equal_p): Likewise.
3305 (update_value_range): Use them to compare old and new
3308 2006-07-06 Roger Sayle <roger@eyesopen.com>
3310 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
3311 a default case to switch statement to silence compiler warnings.
3313 2006-07-06 Roger Sayle <roger@eyesopen.com>
3316 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
3317 the configured assembler supports the x87's ffreep mnemonic.
3318 * configure: Regenerate.
3319 * config.in: Regenerate.
3321 * config/i386/i386.c (output_387_ffreep): New function.
3322 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
3323 (output_387_reg_move): Likewise.
3325 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
3327 Port to hosts whose 'sort' and 'tail' implementations
3328 treat operands with leading '+' as file names, as POSIX
3329 has required since 2001. However, make sure the code still
3330 works on pre-POSIX hosts.
3331 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
3332 which says you should use "tail -c +N" rather than "tail +Nc".
3333 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
3335 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
3337 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
3340 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3343 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
3344 PRE_{INC,DEC} of TFmode.
3346 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3347 Alan Modra <amodra@bigpond.net.au>
3350 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
3353 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3356 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
3357 Remove duplicate gtu.
3359 2006-07-05 Jason Merrill <jason@redhat.com>
3363 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
3364 * c-common.c (handle_packed_attribute): So don't copy it here.
3365 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
3367 2006-07-05 Mike Stump <mrs@apple.com>
3369 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
3371 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
3374 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
3376 2006-07-05 Richard Guenther <rguenther@suse.de>
3379 * config/i386/i386.md (*negdf2_1): Restrict pattern to
3380 TARGET_SSE2 targets if using SSE math.
3381 (*absdf2_1): Likewise.
3383 2006-07-05 Richard Guenther <rguenther@suse.de>
3385 PR tree-optimization/28162
3386 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
3387 make sure to convert the operands to the correct type.
3389 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
3391 PR tree-optimization/28218
3393 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
3394 to calculate and free the dominator information.
3396 2006-07-04 Peter O'Gorman <peter@pogma.com>
3398 * mklibgcc.in: chmod 644 before ranlib during install.
3400 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
3401 J"orn Rennecke <joern.rennecke@st.com>
3403 * configure.ac (.eh_frame data check): Use diff -b.
3405 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3408 * Makefile.in (BUILD_RTL): Add build/vec.o.
3409 (build/gencondmd.o): Filter out -fkeep-inline-functions.
3410 (build/genextract): Delete.
3411 (build/genautomata): Likewise.
3413 2006-07-04 Alan Modra <amodra@bigpond.net.au>
3416 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
3417 128-bit IBM long doubles for ABI_V4.
3419 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
3421 * tree.c (range_in_array_bounds_p): New predicate.
3422 * tree.h (range_in_array_bounds_p): Declare it.
3423 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
3424 return a less conservative answer.
3425 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
3426 and flag 'is_group'.
3427 (IS_ELEMENT_FOR_GROUP): New macro.
3428 (FOR_EACH_ACTUAL_CHILD): Likewise.
3429 (next_child_for_group): New helper function.
3430 (can_completely_scalarize_p): Take into account groups.
3431 (sra_hash_tree): Handle RANGE_EXPR.
3432 (sra_elt_eq): Likewise.
3433 (lookup_element): Be prepared for handling groups.
3434 (is_valid_const_index): Delete.
3435 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
3436 instead of is_valid_const_index.
3437 <ARRAY_RANGE_REF>: New case.
3438 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
3439 is_valid_const_index.
3440 <ARRAY_RANGE_REF>: Do not unconditionally punt.
3441 (scan_dump): Dump info for groups too.
3442 (decide_instantiation_1): Likewise.
3443 (decide_block_copy): Assert that the element is not a group.
3444 Propagate decision to groups.
3445 (generate_one_element_ref): Handle RANGE_EXPR.
3446 (mark_no_warning): Iterate over actual childs.
3447 (generate_copy_inout): Likewise.
3448 (generate_element_copy): Likewise.
3449 (generate_element_zero): Likewise.
3450 (generate_element_init_1): Likewise.
3451 (dump_sra_elt_name): Handle RANGE_EXPR.
3453 2006-07-03 Roger Sayle <roger@eyesopen.com>
3455 PR tree-optimization/26251
3456 * tree-ssa-threadupdate.c (redirection_block_p): New function.
3457 (thread_block): When optimizing for size refuse to thread jumps
3458 that would require duplication of blocks other than redirection
3461 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3463 * configure.ac: Fix thinko in previous check-in.
3464 * configure: Regenerate.
3466 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3469 * configure.ac (for lang...): Simplify nesting of conditionals.
3470 Test subdir_requires for non-enabled languages. Move processing
3471 of lang_opt_files and lang_tree_fiels below that test.
3472 * configure: Regenerate.
3473 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
3475 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
3477 * doc/gcov.texi (Invoking Gcov): Add a missing word.
3479 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
3481 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
3484 2006-06-29 Jason Merrill <jason@redhat.com>
3491 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
3492 * c-common.c (c_determine_visibility): Handle it here.
3493 * c-decl.c (finish_decl): Call c_determine_visibility for
3495 * flags.h (enum symbol_visibility): Sort from most to least visibility.
3497 * varasm.c (default_assemble_visibility): Likewise.
3498 * c-common.c (handle_visibility_attribute): Complain about trying
3499 to give visibility to an already defined class, or trying to change
3500 declared visibility. Always attach the attribute.
3505 * attribs.c (decl_attributes): Ignore type-in-place attributes
3506 once the type has been defined.
3508 2006-06-29 Roger Sayle <roger@eyesopen.com>
3511 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
3512 to indicate the cpplib has issued an error message for us.
3514 2006-06-29 Asher Langton <langton2@llnl.gov>
3517 * config/i386/i386.c (ix86_output_function_epilogue): Don't
3518 insert a label at the end of an function under Mach-O.
3520 2006-06-29 Eric Christopher <echristo@apple.com>
3521 Evan Cheng <evan.cheng@apple.com>
3523 * predicates.md (vector_all_ones_operand): New.
3524 (nonimmediate_or_sse_const_operand): Ditto.
3525 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
3526 * config/i386/i386.c (standard_sse_constant_opcode): Define.
3527 (standard_sse_mode_p): Ditto.
3528 (standard_sse_constant_p): Add case for -1 vector.
3529 (ix86_expand_vector_move): Try to use.
3530 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
3531 Call standard_sse_constant_opcode.
3532 (*movv4sf_internal): Ditto.
3533 (*movv2df_internal): Ditto.
3535 2006-06-29 Roger Sayle <roger@eyesopen.com>
3537 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
3538 of XEXP to extract the operands of a MATCH_CODE rtx.
3540 2006-06-28 Andrew Pinski <pinskia@gmail.com>
3542 * tree.c (tree_size): Do not waste tail padding in
3543 struct tree_string and make the size be the same as
3544 build_string will generate.
3546 2006-06-28 Jason Merrill <jason@redhat.com>
3549 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
3550 may_aliases already in the tag's annotations to the bitmap.
3552 2006-06-28 Roger Sayle <roger@eyesopen.com>
3554 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
3556 2006-06-28 Roger Sayle <roger@eyesopen.com>
3558 * genpreds.c (generate_switch_p): New function.
3559 (add_mode_tests): Push the new mode test down inside an AND expr
3560 if this allows the switch-suitable MATCH_CODE to be near the root.
3561 (write_match_code_switch): New function to write a MATCH_CODE as
3563 (write_predicate_stmts): New function to write a predicate RTX
3564 expression as a sequence of statements.
3565 (write_one_predicate_function): Use write_predicate_stmts.
3566 (write_tm_constrs_h): Likewise.
3568 2006-06-26 Fred Fish <fnf@specifix.com>
3570 * config/mips/t-sb1: New file.
3571 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
3574 2006-06-26 DJ Delorie <dj@redhat.com>
3576 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
3578 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
3579 Jayant Sonar <jayants@kpitcummins.com>
3580 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
3582 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
3583 (subsi3, subsi3_1, subsi3_2): New.
3584 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
3585 * config/m32c/mov.md (SI mov peephole): New.
3586 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
3587 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
3589 2006-06-26 Olivier Hainque <hainque@adacore.com>
3591 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
3592 a CALL_EXPR target function declaration.
3594 2006-06-26 Richard Guenther <rguenther@suse.de>
3596 * tree.c (build_string): Do not waste tail padding in
3599 2006-06-26 Richard Guenther <rguenther@suse.de>
3601 * ggc-page.c (init_ggc): Add missing element to size_lookup
3605 2006-06-23 Richard Guenther <rguenther@suse.de>
3607 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3608 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3609 alignment requests instead. Add verification code.
3610 Add struct tree_function_decl and struct tree_binfo size to
3611 extra_order_size_table. Add missing element to size_lookup
3614 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
3617 * fold-const.c (const_binop): Be prepared for self returning zero.
3618 Simplify code handling complex values.
3620 2006-06-24 Olivier Hainque <hainque@adacore.com>
3622 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
3623 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
3626 2006-06-24 Olivier Hainque <hainque@adacore.com>
3628 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
3629 ARRAY_REF, so have the callback called for the low bound expression.
3631 2006-06-23 Janis Johnson <janis187@us.ibm.com>
3633 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
3634 * c-typeck.c (c_common_type): Disallow operations on decimal float
3635 types and other float types.
3636 * convert.c (convert_to_real): Don't ignore conversions involving
3637 decimal float types.
3639 2006-06-23 Olivier Hainque <hainque@adacore.com>
3641 * tree.c (max_int_size_in_bytes): New function, inspired from
3642 code in function.c:assign_temp.
3643 * tree.h (max_int_size_in_bytes): Declare.
3644 * function.c (assign_temp): Use it.
3645 * gimplify.c (create_tmp_var): Relax the assertions on the type
3646 properties, not mandating constant size any more.
3647 (force_constant_size): New static function.
3648 (gimple_add_tmp_var): Use it, forcing variable size to a
3649 constant upper bound if it is not constant on entry.
3651 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
3654 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
3655 for initialization and setting of one_only flag to ...
3656 (i386_pe_encode_section_info): ...here.
3657 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
3658 Recheck that the symbol has not been defined.
3660 2006-06-23 Richard Guenther <rguenther@suse.de>
3662 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3663 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3664 alignment requests instead. Add verification code.
3665 Add struct tree_function_decl and struct tree_binfo size to
3666 extra_order_size_table. Add missing element to size_lookup
3669 2006-06-22 Roger Sayle <roger@eyesopen.com>
3670 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3673 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
3674 call to lang_hooks.types.type_for_mode returned NULL_TREE.
3676 2006-06-23 Ben Elliston <bje@au.ibm.com>
3678 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
3679 negate dn -- manipulate it directly.
3681 2006-06-22 Roger Sayle <roger@eyesopen.com>
3682 Steven Bosscher <stevenb.gcc@gmail.com>
3685 * reload1.c (gen_reload): Call mark_jump_label on the new insns
3686 generated by gen_move_insn to add REG_LABEL notes if necessary.
3688 2006-06-22 Bob Wilson <bob.wilson@acm.org>
3690 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
3691 (leaf_entry): Remove use of MIN_ESA.
3693 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
3695 PR rtl-optimization/28121
3696 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
3699 2006-06-21 DJ Delorie <dj@redhat.com>
3701 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
3703 (mulhisi3_r): Likewise.
3705 2006-06-21 Richard Sandiford <richard@codesourcery.com>
3708 * coverage.c (coverage_counter_alloc): Leave the index type
3710 (coverage_counter_alloc): Use null arguments for operands 2 and 3
3713 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
3715 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
3716 section from the "Options for Code Generation Conventions".
3718 2006-06-21 Richard Henderson <rth@redhat.com>
3722 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
3724 (global_symbolic_operand): Allow weak symbols, even if local_p.
3726 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
3728 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
3729 (find_interesting_uses_address): Punt if above function returns true.
3731 2006-06-21 Richard Guenther <rguenther@suse.de>
3733 * configure: Regenerated.
3735 2006-06-21 Joseph Myers <joseph@codesourcery.com>
3737 * config/mips/mips.c (function_arg): Where one part of a
3738 complex argument is in registers and the other part in the stack,
3739 return a REG not a PARALLEL.
3741 2006-06-21 Mark Mitchell <mark@codesourcery.com>
3743 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
3744 when cross-compiling. Do not substitute libstdcxx_incdir.
3745 * configure: Regenerated.
3747 2006-06-21 Jakub Jelinek <jakub@redhat.com>
3749 * varasm.c (mergeable_string_section): Check for embedded NULs and
3750 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
3751 rather than TREE_STRING_LENGTH bytes.
3753 2006-06-21 Richard Guenther <rguenther@suse.de>
3755 * ggc-page.c (extra_order_size_table): Add var_ann_d,
3756 tree_ssa_name, bitmap_element and phi_node with 4 arguments
3759 2006-06-21 Richrad Guenther <rguenther@suse.de>
3761 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
3762 Limit iteration over the dominators.
3764 2006-06-20 Roger Sayle <roger@eyesopen.com>
3766 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
3767 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
3769 2006-06-20 Richard Guenther <rguenther@suse.de>
3770 Michael Matz <matz@suse.de>
3772 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
3774 * alloc-pool.c (free_alloc_pool_if_empty): New function.
3775 * et-forest.h (et_free_pools): Prototype new function.
3776 * et-forest.c (et_free_tree_force): Free parent occurrence.
3777 (et_free_pools): New function.
3778 * dominance.c (free_dominance_info): Free et-forest alloc
3781 2006-06-20 Roger Sayle <roger@eyesopen.com>
3783 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
3784 integer modes, attempt to directly construct an integer constant.
3786 * fold-const.c (native_encode_vector): Determine the size of each
3787 element from the vector type instead of the first vector element.
3789 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
3790 if all of its elements/components are constant.
3791 (build_constructor_from_list): Likewise.
3793 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
3795 PR tree-optimization/27331
3796 * tree-data-ref.c (free_data_ref): New function.
3797 (create_data_ref): Fail if the data reference has unknown access
3799 (free_data_refs): Use free_data_ref.
3801 2006-06-19 Andrew Pinski <pinskia@gmail.com>
3804 * tree-inline.c (setup_one_parameter): Strip useless
3805 type conversion before adding it to the IR.
3806 (declare_return_variable): Likewise.
3808 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
3811 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
3813 2006-06-19 Mike Stump <mrs@apple.com>
3815 * tree.c (variably_modified_type_p): VM arguments don't make the
3818 2006-06-19 Richard Guenther <rguenther@suse.de>
3820 * tree-ssa-pre.c (try_combine_conversion): Strip useless
3821 type conversions after folding.
3823 2006-06-19 Richard Guenther <rguenther@suse.de>
3825 * ggc-page.c (extra_order_size_tab): Add entries with
3826 size of struct function and basic_block.
3827 (size_lookup): Extend to cover sizes up to 511.
3828 (ggc_alloc_stat): Adjust user.
3829 (ggc_pch_count_object): Likewise.
3830 (ggc_pch_alloc_object): Likewise.
3831 (ggc_pch_write_object): Likewise.
3833 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
3835 * tree-ssa-loop-niter.c (implies_ge_p): New function.
3836 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
3839 2006-06-19 Denis Chertykov <denisc@overta.ru>
3841 * config/avr/libgcc.S : Correct my wrong previous commit.
3843 2006-06-19 Roger Sayle <roger@eyesopen.com>
3846 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
3847 have stripped a SUBREG from the shift count, so we may need to
3848 convert_to_mode back to the type's mode before calling make_tree.
3849 Use new_amount instead of amount to avoid expanding a tree twice.
3851 2006-06-19 Richard Guenther <rguenther@suse.de>
3854 * fold-const.c (operand_equal_p): Check if the argument types
3855 have the same precision before stripping NOPs.
3857 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
3859 Fix PR tree-optimization/27341
3860 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
3862 * tree-complex.c (pass_lower_complex): Update SMT usage.
3864 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
3866 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
3867 Add a new alternative to the constraint strings. Add move of
3868 operand 1 to 3 to the splitter definition.
3869 ("doloop_si_long"): Second contraint alternative removed.
3871 2006-06-08 Anatoly Sokolov <aesok@post.ru>
3873 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
3874 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
3876 (AVR_HAVE_MOVW) Define.
3877 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
3878 (ASM_SPEC): Add avr25.
3879 (LINK_SPEC): Add avr25.
3880 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
3881 (base_arch_s): Add new member 'have_movw_lpmx'.
3882 (avr_arch_types): Init 'have_movw_lpmx'.
3883 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
3884 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
3885 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
3886 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
3887 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
3889 (avr_file_start): Do not output '.arh' derective.
3890 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
3891 (__do_copy_data): Use __AVR_HAVE_LPMX__.
3892 * config/avr/avr.md (mcu_enhanced): Delete.
3893 (mcu_have_movw): Define.
3894 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
3895 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
3896 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
3897 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
3898 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
3899 attiny861 and at86rf401 devices.
3901 2006-06-18 Jie Zhang <jie.zhang@analog.com>
3903 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
3906 2006-06-17 Karl Berry <karl@gnu.org>
3908 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
3909 doc/gccint.texi, doc/install.texi (@dircategory): Use
3910 "Software development" instead of "Programming", following
3911 the Free Software Directory.
3913 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
3915 * config/i386/i386.c (legitimate_tls_address)
3916 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
3917 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
3918 (*tls_dynamic_gnu2_combine_64): Likewise.
3920 2006-06-16 Richard Guenther <rguenther@suse.de>
3923 * fold-const.c (negate_expr_p): Do not introduce undefined
3924 overflow in negating INTEGER_CSTs.
3925 (fold_negate_expr): Rename from negate_expr. Revert last
3926 change for folding BIT_NOT_EXPR. Change semantics to
3927 return NULL_TREE for non-simplified negations. Do not
3928 strip type conversions and unify type handling.
3929 (negate_expr): New function, wrap around fold_negate_expr
3930 but ensure building a tree always. Strip type conversions
3931 here, fold to result type.
3932 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
3934 2006-06-16 Roger Sayle <roger@eyesopen.com>
3937 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
3938 that (would) return their results in stack registers.
3940 2006-06-16 Michael Matz <matz@suse.de>
3941 Richard Guenther <rguenther@suse.de>
3943 * fold-const.c (fold_truthop): Only return new tree node if
3944 we canonicalized something.
3946 2006-06-16 Richard Guenther <rguenther@suse.de>
3948 * function.h (enum function_frequency): Move declaration
3949 out of struct function.
3950 (struct function): Move bool fields and the enum to the bitfield
3951 section. Reorder elements to avoid padding. Remove unused
3952 fields left over from the RTL inliner removal.
3953 * function.c (free_after_compilation): Do not zero removed fields.
3954 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
3955 (ipa-type-escape.o): Likewise.
3957 2006-06-16 Richard Guenther <rguenther@suse.de>
3959 * cgraph.h (struct cgraph_local_info): Turn bool elements
3961 (struct cgraph_node): Likewise.
3962 (struct cgraph_varpool_node): Likewise.
3964 2006-06-15 Richard Guenther <rguenther@suse.de>
3966 * fold-const.c (fold_truth_not_expr): Rename from
3967 invert_truthvalue. Give it fold_* semantics to avoid
3969 (invert_truthvalue): New function. Wrapper around
3970 fold_truth_not_expr.
3971 (optimize_minmax_comparison): Avoid creating garbage.
3972 (fold_unary): Use fold_truth_not_expr for folding
3974 (fold_ternary): Replace uses of invert_truthvalue with
3975 fold_truth_not_expr where applicable.
3976 * tree.h (fold_truth_not_expr): Prototype.
3978 2006-06-16 Richard Guenther <rguenther@suse.de>
3980 PR tree-optimization/27781
3981 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
3982 * ipa-pure-const.c (target.h): Include.
3983 (analyze_function): Do not analyze functions that do not
3986 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
3989 * tree-dfa.c (referenced_vars_dup_list): Remove.
3990 (find_referenced_vars): Remove assert.
3991 (referenced_var_check_and_insert): Replace dup list with assert.
3992 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
3993 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
3995 2006-06-15 Richard Guenther <rguenther@suse.de>
3997 * tree-ssa-structalias.c (alias_get_name): Avoid creating
3998 extra unused identifiers if not dumping.
3999 (create_variable_info_for): Likewise.
4001 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4003 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4004 (derive_constant_upper_bound): Derive more precise upper bound in
4005 common cases. Return type changed to double_int.
4006 (record_estimate): Reflect the changed return type of
4007 derive_constant_upper_bound.
4008 * double-int.c (double_int_zext, double_int_sext): Fix.
4010 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4012 * configure.ac (CFLAGS): Get them from the toplevel or from the
4013 configure invocation.
4014 * configure: Regenerate.
4015 * Makefile.in (CFLAGS): Substitute value provided by configure.
4017 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4020 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4021 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4022 rather than calling add_stmt on it.
4023 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4025 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4028 * reload1.c (reload): Remove registers returned by update_eliminables
4029 from used_spill_regs.
4031 2006-06-13 DJ Delorie <dj@redhat.com>
4033 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4035 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4037 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4038 html__strip_dir, html__mkdir_p. Enhance install-html target.
4039 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4040 * configure: Regenerate.
4042 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4044 * fold-const.c (fold_cond_expr_with_comparison): Check for
4045 Objective-C++ as language in deciding COND_EXPR transformation.
4047 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
4050 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
4051 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
4052 * config/sh/lib1funcs.h (SL, SL1): Define.
4053 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
4054 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
4055 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
4056 (OBJS_Os_4_200): New variable.
4057 ($(T)libgcc-Os-4-200.a): Use it.
4058 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
4059 when dividing 1 and/or by 0.
4061 2006-06-13 Roger Sayle <roger@eyesopen.com>
4063 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
4064 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
4065 * configure: Regenerate.
4067 2006-06-13 Jie Zhang <jie.zhang@analog.com>
4069 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
4070 for real instruction.
4072 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4075 * haifa-sched.c (check_cfg): Handle special case.
4077 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4080 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4081 Add debug_info parameter. Chain the vars to the BLOCK instead
4082 of the BIND_EXPR if debug info are requested for them.
4083 (pop_gimplify_context): Adjust for above change.
4084 (gimple_add_tmp_var): Likewise.
4085 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4087 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4088 (convert_local_reference): Likewise.
4089 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4090 (finalize_nesting_tree_1): Request that debug info be emitted
4091 for debug_var_chain.
4093 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4095 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4096 for PR target/27863.
4098 2006-06-13 Richard Guenther <rguenther@suse.de>
4101 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4103 2006-06-13 Richard Guenther <rguenther@suse.de>
4105 PR tree-optimization/27830
4106 * tree-inline.c (copy_body_r): For copying the operand
4107 of an ADDR_EXPR make sure to fold &* afterwards.
4109 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4111 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4112 lvalues in the fb_none case with side-effects.
4114 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4116 * tree-flow.h: Remove the prototype for
4117 compute_phi_arg_on_exit.
4118 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4119 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4122 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4124 * builtins.c (expand_builtin_return_addr): Only use
4125 frame_pointer_rtx when count == 0 and we are expanding
4126 __builtin_return_address.
4128 2006-06-12 Fred Fish <fnf@specifix.com>
4130 * config/mips/mips.c (mips_file_start): Create special section
4131 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
4133 2006-06-11 Eric Christopher <echristo@apple.com>
4136 * stor-layout.c (place_field): Remove check for
4137 remaining_in_alignment when aligning at the end of a run.
4139 2006-06-11 Eric Christopher <echristo@apple.com>
4142 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
4145 2006-06-11 Roger Sayle <roger@eyesopen.com>
4148 Revert incorrect fix for PR target/27158
4149 2006-05-08 Roger Sayle <roger@eyesopen.com>
4150 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4151 of a reg_equiv_constant if the result is a legitimate constant.
4153 2006-06-11 Roger Sayle <roger@eyesopen.com>
4156 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
4157 extract a CONST_VECTOR element and interpret it as an integer.
4158 (vspltis_constant): Use const_vector_elt_as_int instead of the
4159 macro CONST_VECTOR_ELT in order to handle FP vector modes.
4160 * config/rs6000/predicates.md (easy_vector_const): Consider
4161 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
4163 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
4166 * stor-layout.c (update_alignment_for_field): Don't add extra
4167 alignment for packed non-bitfield fields in ms_bitfield_layout_p
4170 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
4172 * config/mips/t-rtems: Add EL/EB multilib variants.
4174 2006-06-09 Mike Stump <mrs@apple.com>
4176 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
4178 2006-06-09 David Daney <ddaney@avtrex.com>
4180 * doc/install.texi: Add binutils version recommendation for mips-*-*.
4182 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
4184 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
4186 2006-06-09 Richard Guenther <rguenther@suse.de>
4188 PR tree-optimization/26998
4189 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
4190 of signed types, only TYPE_MIN_VALUE is special, but for both,
4191 minimum and maximum value. Likewise VR_ANTI_RANGE is special
4192 in this case, as is -fwrapv.
4194 2006-06-08 Mike Stump <mrs@apple.com>
4197 * config/darwin.c (darwin_asm_output_anchor): Disable
4198 -fsection-anchors on darwin for now.
4199 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
4200 * rs6000/rs6000.c (optimization_options): Likewise.
4202 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4205 * config/i386/i386.c (classify_argument): Skip fields with invalid
4208 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
4210 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
4211 (cse_insn): Likewise for the stack_pointer_rtx.
4213 2006-06-08 Roger Sayle <roger@eyesopen.com>
4215 * tree-ssa-dom.c (record_conditions): Only record "unordered"
4216 conditions from floating point comparisons.
4218 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
4221 * expmed.c (struct alg_hash_entry): Fix type of field T
4222 to match synth_mult argument.
4223 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
4225 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4228 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
4231 2006-06-08 Richard Guenther <rguenther@suse.de>
4234 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
4235 only, if overflow is defined and not trapping.
4236 (negate_expr): Likewise.
4238 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4240 PR tree-optimization/27872
4241 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
4242 flag on the new exit edge of the unrolled loop.
4244 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4246 PR rtl-optimization/26449
4247 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
4249 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
4252 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
4253 referenced_variables with matching DECL_UID's.
4254 (find_referenced_vars): Make sure duplicate list is empty to start.
4255 (referenced_var_p): Remove.
4256 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
4257 Check if var is in the list, and add if needed. Update the duplicate
4258 list if a different var is in the list with the same DECL_UID.
4259 (add_referenced_var): Call routine to check and insert.
4260 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
4261 * tree-flow.h (referenced_vars_dup_list): External declaration.
4263 2006-06-07 Fred Fish <fnf@specifix.com>
4265 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
4268 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
4271 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
4272 the imaginary and real parts of a clobbered register.
4273 Emit insn to set the imaginary part.
4275 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
4277 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
4278 in lieu of unwind-dw2-fde.c.
4280 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4282 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
4284 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
4287 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
4288 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
4289 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
4290 V4SImode temporaries and operations instead.
4292 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
4294 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
4297 2006-06-06 Mike Stump <mrs@apple.com>
4299 * Makefile.in: Rename to htmldir to build_htmldir to avoid
4300 installing during build.
4302 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4304 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
4306 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4307 * config/ia64/ia64.c (params.h): New header.
4308 (ia64_optimization_options): New function to adjust parameters.
4309 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
4310 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
4311 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
4313 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
4315 * stor-layout.c (debug_rli): Fix a typo in a debug message.
4317 2006-06-05 Steve Ellcey <sje@cup.hp.com>
4320 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
4322 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
4323 Victor Kaplansky <victork@il.ibm.com>
4325 PR tree-optimization/26360
4326 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
4329 2006-06-04 Roger Sayle <roger@eyesopen.com>
4330 Andrew Pinski <pinskia@physics.uc.edu>
4333 * c-common.c (c_common_truthvalue_conversion): Explicitly check
4334 for LABEL_DECL before calling DECL_WEAK.
4337 * c-typeck.c (build_binary_op): Likewise, explicitly check for
4338 LABEL_DECL and PARM_DECL.
4340 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
4344 * c-decl.c (grokdeclarator): Disallow variably modified types at
4345 file scope. Avoid marking shared array type of constant size as
4348 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4351 * c-common.c (fold_offsetof_1): Handle static members.
4353 2006-06-04 Eric Christopher <echristo@apple.com>
4355 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
4356 (debug_rli): Output value for remaining_in_alignment.
4357 (update_alignment_for_field): Unconditionalize
4358 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
4359 extra alignment code.
4360 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
4361 ms_bitfield_layout_p code. Rewrite handling of structure fields.
4362 * tree.h (record_layout_info_s): Remove prev_packed.
4363 * doc/extend.texi (ms_struct): Add documentation of format.
4365 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
4367 * tree.h: Declare folding_initializer.
4368 * builtins.c (fold_builtin_constant_p): Give definite answer
4369 if folding inside an initializer.
4370 * fold-const.c: Define folding_initializer.
4371 (START_FOLD_INIT): Save and then set folding_initializer.
4372 (END_FOLD_INIT): Restore folding_initializer.
4374 2006-06-04 Richard Guenther <rguenther@suse.de>
4376 PR tree-optimization/27039
4377 * fold-const.c (fold_comparison): Handle pointer comparison
4378 again for all comparison codes. Compare offsets in signed
4380 (fold_binary): Move code from here.
4382 2006-06-03 Roger Sayle <roger@eyesopen.com>
4385 * config/i386/i386.c (construct_container): Split static issued_error
4386 flag into issued_sse_arg_error, issued_sse_ret_error and
4387 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
4388 requires the use of x87 registers and the user explicitly
4389 specified the -mno-80387 command line option.
4391 2006-06-02 Geoffrey Keating <geoffk@apple.com>
4393 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
4394 HAVE_DECL_SIGALTSTACK.
4396 (segv_handler): Use MC_FLD.
4397 * configure.ac: Check for a sigaltstack declaration.
4398 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
4399 * configure: Regenerate.
4400 * config.in: Regenerate.
4402 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
4405 * Makefile.in (stmp-fixinc): Fix typo.
4407 2006-06-02 Roger Sayle <roger@eyesopen.com>
4409 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
4410 are type correct. Clean-up.
4411 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
4412 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
4414 2006-06-01 DJ Delorie <dj@redhat.com>
4416 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
4417 shift, as we've disabled the "switch" insn that needs it.
4419 2006-06-01 Per Bothner <bothner@bothner.com>
4421 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
4422 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
4423 * c-ppoutput.c (cb_define): Don't increment line 0.
4425 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
4427 * doc/invoke.texi: Add cpu_type power6.
4428 * config.gcc: Add cpu_type power6.
4429 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
4430 to power5+ with Altivec.
4431 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
4432 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
4434 2006-05-30 Anatoly Sokolov <aesok@post.ru>
4436 * config/avr/avr.h (SET_ASM_OP): Define.
4438 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
4440 * config/bfin/bfin.c: Fix comment typos.
4442 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4445 * doc/install.texi: Document --enable-bootstrap and
4446 --disable-bootstrap.
4448 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4450 * doc/install.texi: Document that InfoZIP can replace jar.
4452 2006-05-31 Roger Sayle <roger@eyesopen.com>
4454 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
4455 isn't available, directly generate the simpler x87 patterns without
4456 the (use (const_int 0)).
4457 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
4458 implementation isn't available.
4459 (*negdf2_1): Likewise.
4460 (*negxf2_1): XF mode negation is always done using the x87.
4461 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
4463 2006-05-31 Roger Sayle <roger@eyesopen.com>
4465 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
4466 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
4468 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
4470 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4472 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
4473 * config/bfin/bfin.c (basic-block.h): Include.
4474 (struct machine_function): New.
4475 (bfin_init_machine_status): New.
4476 (override_options): Initialize init_machine_status.
4477 (bfin_hardware_loop): New.
4478 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
4479 (DEF_VEC_P (loop_info)): New.
4480 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
4481 (struct loop_info): New.
4482 (loop_info): New typedef.
4483 (struct loop_work): New.
4484 (loop_work): New typedef.
4485 (DEF_VEC_O (loop_work)): New.
4486 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
4487 (bfin_dump_loops): New.
4488 (bfin_bb_in_loop): New.
4489 (bfin_scan_loop): New.
4490 (bfin_optimize_loop): New.
4491 (bfin_reorg_loops): New.
4492 (bfin_reorg): Use bfin_reorg_loops.
4493 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
4495 (I_REGNO_P): Simplify.
4496 (DP_REGNO_P, DPREG_P): New macros.
4497 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
4498 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
4499 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
4500 Add LT_REGS, LC_REGS, LB_REGS.
4501 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
4503 (REGNO_REG_CLASS): Deal with loop registers.
4504 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
4506 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
4507 New constants for loop registers.
4508 (UNSPEC_LSETUP_END): New.
4509 (seq_insns): New define_attr. Set it for appropriate insns.
4510 (movsi_insn): Add alternatives for move from/to
4511 loop count registers.
4512 (doloop_end): New define_expand.
4513 (loop_end): New define_insn.
4514 (define_split for bad doloop_end): New.
4515 (lsetup_with_autoinit): New define_insn.
4516 (lsetup_without_autoinit): New define_insn.
4517 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
4518 * config/bfin/predicates.md (lc_register_operand): New.
4519 (lt_register_operand): New.
4520 (lb_register_operand): New.
4521 (nondp_register_operand): New.
4522 (nondp_reg_or_memory_operand): New.
4523 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
4525 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4527 * config/bfin/bfin.c (bfin_delegitimize_address): New.
4528 (TARGET_DELEGITIMIZE_ADDRESS): Define.
4530 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
4532 * Makefile.in (CATALOGS): Add po/ prefix.
4533 * configure: Regenerated.
4535 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
4538 * arm.c (arm_print_operand case 'S'): Validate that the operand is
4539 a shift operand before calling shift_op. Avoid redundant call of
4542 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
4543 DJ Delorie <dj@redhat.com>
4545 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
4546 we're inserting is a singlt-bit constant.
4548 2006-05-30 Roger Sayle <roger@eyesopen.com>
4550 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
4551 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
4553 2006-05-30 Roger Sayle <roger@eyesopen.com>
4555 PR tree-optimization/23452
4556 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
4557 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
4558 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
4559 complex values and with -ffast-math for FP complex values.
4561 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
4563 * c-common.h: Remove the prototype for yyparse.
4564 * rtl.h: Remove the prototype for init_loop.
4566 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
4568 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
4571 2006-05-30 Roger Sayle <roger@eyesopen.com>
4573 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
4575 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
4576 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
4578 2006-05-30 Dirk Mueller <dmueller@suse.de>
4581 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
4582 for CONSTANT_CLASS_P expresisons.
4584 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4587 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
4589 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
4591 PR tree-optimization/27779
4592 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
4593 initial_condition instead of CHREC_LEFT.
4595 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
4597 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
4598 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
4599 Make prototypes ISO C90.
4601 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
4602 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4604 * see.c (see_analyze_one_def): Correct check.
4605 (see_get_extension_data): Check if extension is parallel.
4606 (see_get_extension_reg): Likewise.
4608 2006-05-30 Uros Bizjak <uros@kss-loka.si>
4611 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
4612 into register for (code == GTU).
4614 2006-05-29 Roger Sayle <roger@eyesopen.com>
4616 PR tree-optimization/24964
4617 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
4618 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
4619 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
4620 abs(x)*abs(x) as x*x for scalar floating point modes.
4622 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
4625 * lambda-code.c (perfect_nestify): Don't copy statements
4626 in the inner loop: move them to the inner loop header.
4628 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4631 * c-tree.texi: Document OpenMP directives and clauses.
4633 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4635 * varasm.c (globalize_decl): Fix indentation.
4637 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4640 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
4641 pass_fre, pass_store_ccp, pass_copy_prop,
4642 pass_store_copy_prop, pass_merge_phi, pass_nrv,
4643 pass_return_slot, pass_object_size, pass_lim,
4644 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
4645 pass_loop_prefetch and pass_stdarg.
4647 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
4649 * config/bfin/bfin.opt (mfdpic): New option.
4650 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
4651 (EXTRA_MULTILIB_PARTS): Likewise.
4652 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
4653 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
4655 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
4656 (CRT_CALL_STATIC_FUNCTION): New.
4657 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
4659 (CRT_CALL_STATIC_FUNCTION): New.
4660 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
4662 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
4663 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
4664 (initialize_trampoline): Changed to handle FD-PIC code generation.
4665 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
4666 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
4667 (override_options): Disallow -mid-shared-library -mfdpic combination.
4668 Can't do unaligned ops if FD-PIC.
4669 Turn off flag_pic if trying to generate non-id-shared-library
4670 non-fdpic code, since it's not supported.
4671 (bfin_assemble_integer): New function.
4672 (TARGET_ASM_INTEGER): Define.
4673 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
4675 * config/bfin/crtn.s: Restore them.
4676 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
4678 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
4679 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
4680 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
4681 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
4682 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
4684 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
4685 FDPIC_REGS and FDPIC_FPTR_REGS.
4686 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
4687 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
4688 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
4689 (load_funcdescsi): New pattern.
4690 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
4691 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
4692 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
4694 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4696 * gcse.c, rtlanal.c: Remove obsolete comments associated with
4699 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
4701 * tree-flow.h: Remove the prototype for add_type_alias.
4702 * tree-ssa-alias.c (add_type_alias): Remove.
4704 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
4706 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
4707 config/fr30/fr30.md, config/i386/i386-interix.h,
4708 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
4709 config/sh/superh64.h, config/v850/v850.c, df-core.c,
4710 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
4711 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
4712 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
4713 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
4714 Follow spelling conventions.
4715 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
4716 Follow spelling conventions.
4718 2006-05-27 Richard Guenther <rguenther@suse.de>
4721 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
4722 to produce a constant of value 1 of generic type.
4724 2006-05-27 Dirk Mueller <dmueller@suse.de>
4726 * cgraphunit.c (decide_is_function_needed): Fix wrong
4729 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
4731 PR rtl-optimization/27661
4732 * reload.c (find_reloads): When reloading a VOIDmode constant
4733 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
4734 use Pmode as mode of the reload register.
4736 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
4738 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
4739 is enabled at -O and above.
4741 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
4744 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
4747 2006-05-25 Mark Mitchell <mark@codesourcery.com>
4750 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
4751 for anonymous variables explicitly declared by front ends.
4753 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4755 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
4756 (struct alias_info): Add new field ref_all_symbol_mem_tag.
4757 * tree-ssa-alias.c (compute_may_aliases): If the program contains
4758 ref-all pointers, run a finalization pass for them.
4759 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
4760 (finalize_ref_all_pointers): New function.
4761 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
4762 regular pointer type to a ref-all pointer type.
4763 (get_tmt_for): Return the special memory tag for ref-all pointers.
4765 2006-05-25 Richard Guenther <rguenther@suse.de>
4768 * fold-const.c (fold_binary): Do not look at the stripped
4769 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
4771 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4773 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
4774 for LT and GT if the computed range is effectively empty.
4776 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4779 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
4780 mips_quad_format formats instead of ieee_single_format,
4781 ieee_double_format and ieee_quad_format formats, respectively.
4783 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
4785 PR tree-optimization/27639
4786 PR tree-optimization/26719
4787 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
4788 call to scev_probably_wraps_p.
4789 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
4790 used_in_pointer_arithmetic_p, convert_step): Removed.
4791 (nowrap_type_p): New function.
4792 (scev_probably_wraps_p): Rewritten.
4793 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
4794 chrec_convert if chrec_convert_aggressive might have been used.
4795 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
4796 scev_direction): New functions.
4797 (chrec_convert): Changed to a wrapper over chrec_convert_1.
4798 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
4799 instead of convert_step.
4800 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
4801 (convert_step): Declaration removed.
4802 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
4804 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
4806 * df-core.c: Added to header comments.
4807 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
4808 df_ur_bb_info, df_urec_bb_info): Added comments.
4809 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
4810 urec, ri problems): Fixed header comments.
4811 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
4812 code from df_rd_transfer_function.
4814 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4816 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
4817 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
4818 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
4820 2006-05-23 Joseph Myers <joseph@codesourcery.com>
4822 * expr.c (undefined_operand_subword_p): New.
4823 (emit_move_multi_word): Do not generate move from undefined bits
4824 of a paradoxical subreg.
4826 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4828 PR rtl-optimization/27736
4829 * combine.c (replaced_rhs_value): New variable.
4830 (combine_instructions): Set it.
4831 (distribute_notes): When distributing a note in replaced_rhs_insn,
4832 check whether the value was used in replaced_rhs_value.
4834 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
4837 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
4838 add_referenced_var instead of add_referenced_tmp_var.
4839 * tree-complex.c (create_one_component_var): Use add_referenced_var.
4840 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
4842 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
4843 tree_optimize_tail_calls_1): Use add_referenced_var.
4844 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
4845 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
4846 Use add_referenced_var.
4847 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
4848 * gimplify.c (force_gimple_operand): Use add_referenced_var.
4849 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
4850 Use add_referenced_var.
4851 * tree-dfa.c (struct walk_state): Remove.
4852 (find_referenced_vars): Remove walk state and vars_found hash table.
4853 (make_rename_temp): Use add_referenced_var.
4854 (find_vars_r): Pass less parameters to add_referenced_var.
4855 (referenced_var_p): New. Is var in referenced_var hash table.
4856 (referenced_var_insert): Assert var isn't already in hash table.
4857 (add_referenced_var): Don't need walk_state parameter. Add var if it
4858 isn't already in the hash table.
4859 (add_referenced_tmp_var): Remove.
4860 (find_new_referenced_vars_1): Use add_referenced_var.
4861 * tree-ssa-pre.c (create_expression_by_pieces,
4862 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
4863 Use add_referenced_var.
4864 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
4865 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
4866 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
4868 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
4869 vect_create_data_ref_ptr, vect_create_destination_var,
4870 vect_init_vector, vect_build_loop_niters,
4871 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
4872 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
4873 Use add_referenced_var.
4874 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
4875 * tree-flow.h (add_referenced_tmp_var): Remove prototype
4876 (add_referenced_var): Add prototype.
4877 * tree-ssa-structalias.c (get_constraint_for,
4878 intra_create_variable_infos): Use add_referenced_var.
4880 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
4882 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
4883 big-endian paradoxical subregs.
4884 * var-tracking.c (struct micro_operation_def): Document that,
4885 for modify micro operations, insn is the subsequent instruction.
4886 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
4887 (var_reg_set, var_mem_set): ... new functions.
4888 (add_stores): Record subsequent insn.
4889 (compute_bb_dataflow): Use new functions for MO_USE.
4890 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
4891 notes after the insn, and modify notes before the insn known
4892 to be the subsequent one.
4893 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
4895 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
4898 * config/i386/i386.c (ix86_expand_builtin): Use
4899 gen_sse3_monitor64 for TARGET_64BIT.
4901 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
4903 PR rtl-optimization/26375
4904 PR rtl-optimization/26855
4905 * df-problems (df_ru_bb_local_compute_process_def): Removed update
4907 (df_ru_bb_local_compute): Reversed statements and removed bogus
4908 comment explaining why they should be in wrong order.
4909 (df_ru_dump, df_rd_dump): Enhanced debug info.
4910 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
4912 * ddg.c (add_deps_for_def): Converted use of reaching defs to
4913 reaching uses and fixed space problem.
4915 2006-05-23 Jan Hubicka <jh@suse.cz>
4917 * cgraphunit.c (decide_is_function_needed): Also nested functions
4918 and functions declared inline can be optimized out at -O0.
4920 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
4922 * doc/install.texi (Configuration): Remove reference to CrossGCC
4926 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4929 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
4930 ix86_compare_emitted is non-NULL.
4932 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4935 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
4938 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4940 PR rtl-optimization/25514
4941 * combine.c (replaced_rhs_insn): New variable.
4942 (combine_instructions): Set replaced_rhs_insn when trying to replace
4943 a SET_SRC with a REG_EQUAL note.
4944 (distribute_notes): Use replaced_rhs_insn when determining the live
4945 range of a REG_DEAD register.
4947 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
4948 Anatoly Sokolov <aesok@post.ru>
4950 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
4951 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
4952 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
4953 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
4954 atmega3290, atmega649, atmega6490, atmega406, atmega640,
4955 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
4956 at90usb647, at90usb1286 and at90usb1287 devices.
4957 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4958 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4960 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4962 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
4964 2006-05-22 Richard Guenther <rguenther@suse.de>
4967 2006-01-31 Richard Guenther <rguenther@suse.de>
4968 Paolo Bonzini <bonzini@gnu.org>
4970 * doc/install.texi (--disable-libgcc-math): Document.
4972 2006-05-22 Richard Guenther <rguenther@suse.de>
4975 2006-01-31 Richard Guenther <rguenther@suse.de>
4977 * doc/invoke.texi (-msselibm): Document.
4978 * target.h (expand_library_builtin): New target hook.
4979 * builtins.c (expand_builtin): Use expand_library_builtin.
4980 (default_expand_library_builtin): New function.
4981 * gcc.c (LINK_GCC_MATH_SPEC): Define.
4982 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
4983 (link_gcc_math_spec): Declare.
4984 (static_specs): Add link_gcc_math_spec.
4985 * expr.h (default_expand_library_builtin): Declare.
4986 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4987 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
4988 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
4989 * config/i386/i386.opt (msselibm): New target option.
4990 * config/i386/i386.c (ix86_builtin_function_variants): New array.
4991 (ix86_init_sse_abi_builtins): New function.
4992 (ix86_expand_library_builtin): Likewise.
4993 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4994 (override_options): Handle error conditions wrt -msselibm.
4995 (ix86_builtins): Add function codes for SSE2 ABI builtins.
4996 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
4997 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5000 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5003 * c-common.c (self_promoting_args_p): Skip erroneous args.
5006 * c-decl.c (finish_struct): Skip erroneous fields.
5008 2006-05-22 Nick Clifton <nickc@redhat.com>
5010 * config/cris/cris.opt (march): Remove VarExists attribute.
5011 (max-stackframe=): Likewise.
5013 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5015 * doc/rtl.texi: Fix a typo.
5016 * see.c: Fix comment typos.
5018 * tree-ssa-structalias.h (alias_info): Remove num_references.
5020 2006-05-21 Mike Stump <mrs@apple.com>
5022 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5024 (darwin_pragma_options): Use BAD instead.
5025 (darwin_pragma_unused): Likewise.
5026 (darwin_pragma_ms_struct): Likewise.
5028 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5030 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5032 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5034 PR rtl-optimization/27671
5035 * simplify-rtx.c (simplify_relational_operation_1): Fix
5036 simplifications of (eq/ne (xor x y) y) and
5037 (eq/ne (xor x y) x).
5039 PR tree-optimization/26622.
5040 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5043 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5045 * tree-cfg.c: Prune whitespace.
5046 (debug_tree_cfg): Point to correct header containing the
5049 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5052 * cgraphunit.c (verify_cgraph_node): Typo in error message.
5054 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
5057 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
5058 or sorry count is non zero.
5060 2006-05-20 Andreas Schwab <schwab@suse.de>
5062 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5064 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
5065 Kenneth Zadeck <zadeck@naturalbridge.com>
5067 PR rtl-optimization/26855
5069 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
5071 (df_scan_alloc): Added code to properly handle multiword hard
5072 registers and add all_blocks parameter.
5073 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5074 code to properly handle multiword hard registers.
5075 (df_rescan_blocks): Added code to remove deleted blocks from
5077 (df_ref_create_structure, df_ref_record): Added code to properly
5079 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5080 and set DF_REF_PARTIAL.
5081 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5082 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5083 (df_scan_add_problem): Added flags parameter.
5084 (df_ref_create_structure): Changed switching structure.
5085 (df_bb_refs_record): Fixed case where duplicate artificial refs
5086 were created. Changed location of flags.
5087 (df_record_entry_block_defs): Added code to make stack pointer
5088 live in entry block. Refined cases where frame pointer is needed.
5089 Changed location of flags.
5090 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5091 (df_set_state): Removed function.
5092 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5093 df_insn_create_insn_record, df_insn_refs_delete,
5094 df_ref_create_structure): Formatting changes.
5095 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5096 df_delete_basic_block): New function.
5097 (df_init): Changed location of flags.
5098 (df_add_problem): Added flags parameter and the way flags are
5100 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5101 debug_df_chain): Improved debugging output.
5102 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5103 (df_refs_chain_dump): Removed df parameter.
5104 (df_iterative_dataflow): Added consistency check.
5105 (df_prune_to_subcfg): Made public.
5106 (df_analyze_problem): Added blocks_to_init parameter and made
5108 (df_ref_record, df_bb_refs_record, df_mark_reg,
5109 df_record_exit_block_uses): Whitespace changes.
5110 (df_dump): Whitespace changes.
5111 * df.h: Some reordering to remove forward references.
5112 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5113 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5114 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5115 (dataflow.flags): New field.
5116 (df.flag): Deleted field.
5117 (df_alloc_function): Added additional bitmap parameter.
5118 (df_dependent_problem_function): New type.
5119 (df_problem.changeable_flags): New field.
5120 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5121 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5122 (df_mw_hardreg): New struct.
5123 (DF_INSN_UID_MWS): New macro.
5124 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5126 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5127 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5128 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5129 (df_set_state): Removed function.
5130 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
5131 * df-problems.c (df_chain_dump): Removed df parameter.
5132 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
5133 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
5135 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
5136 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
5137 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
5138 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
5139 DF_REF_MUST_CLOBBER cases.
5140 (df_ru_bb_local_compute_process_def,
5141 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
5142 df_lr_bb_local_compute, df_ur_bb_local_compute,
5143 df_chain_create_bb): Made subreg aware.
5144 (df_ru_bb_local_compute, df_rd_bb_local_compute,
5145 df_lr_bb_local_compute, df_lr_bb_local_compute,
5146 df_chain_create_bb): Cleanup to use proper macros.
5147 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
5148 code to fixup bitvectors.
5149 (df_ri_alloc): Cleared lifetime.
5150 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
5151 df_create_unused_note): New function.
5152 (df_ri_bb_compute, df_ri_compute): Added code to create/update
5153 REG_DEAD and REG_UNUSED notes as well as register information.
5154 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
5155 df_chains_dump): Fixed crash if problem was never run.
5156 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
5157 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
5158 df_ri_add_problem): Processes flags in uniform manner.
5159 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
5160 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
5161 df_rd_dump, df_urec_free_bb_info): Formatting changes.
5162 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
5163 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
5164 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
5165 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
5166 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
5167 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
5168 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
5169 * see.c (see_initialize_data): Ditto.
5170 * final.c (rest_of_clean_state) Added regstack_completed.
5171 * rtl.h (regstack_completed): Ditto.
5172 * reg-stack.c (regstack_completed): Ditto.
5174 2006-05-19 Mike Stump <mrs@apple.com>
5176 * c-tree.h (default_conversion): Remove.
5177 * c-common.h (default_conversion): Add.
5179 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
5181 * tree-vrp.c (valid_value_p): New function.
5182 (adjust_range_with_scev): Fail if the value of bound is not
5185 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5187 * config/mips/linux-unwind.h: Include <asm/unistd.h>
5188 (mips_fallback_frame_state): Use syscall numbers to determine
5189 the appropriate li instruction for the current ABI. Only use
5190 __NR_sigreturn for o32.
5192 2006-05-19 Nicolas Setton <setton@adacore.com>
5194 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
5195 * langhooks.c (lhd_dwarf_name): New function.
5196 * langhooks-def.h (lhd_dwarf_name): Declare.
5197 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
5198 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
5199 * ada/misc.c (gnat_dwarf_name): New function.
5200 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
5202 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5204 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
5206 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
5207 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
5208 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
5209 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
5210 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
5211 determine the size of Wtype, etc.
5212 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
5213 (swfloatfuncs): New variable.
5214 (dwfloatfuncs): Likewise.
5215 (lib2funcs): Remove floating-point conversion functions from
5216 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
5217 the set of conversion routines needed. Allow entries to specify
5218 an object name, filename and word size. Update users accordingly.
5219 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
5220 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
5224 2006-02-08 Roger Sayle <roger@eyesopen.com>
5227 * config/fixtfdi.c: New libgcc source file.
5228 * config/fixunstfdi.c: New source file.
5229 * config/floatditf.c: New source file.
5230 * config/floatunditf.c: New souce file.
5231 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5232 files above instead of config/mips/_tilib.c.
5233 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5235 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5237 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
5238 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
5240 2006-05-18 Mike Stump <mrs@apple.com>
5242 Fix up vla, vm and [*] sematics.
5248 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
5249 (c_vla_unspec_p): Add.
5250 (c_vla_type_p): Add.
5251 * c-decl.c (struct c_scope): Add had_vla_unspec.
5252 (build_array_declarator): Add support for [*].
5253 (grokdeclarator): Likewise.
5254 (grokparms): Likewise.
5255 (get_parm_info): Likewise.
5256 * c-objc-common.c (c_vla_unspec_p): Likewise.
5257 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
5258 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
5259 typeof when argument is a variably modified type not inside sizeof or alignof.
5260 (c_parser_direct_declarator_inner): Propagate errors.
5261 (c_parser_sizeof_expression): Add support for [*].
5262 (c_parser_parms_declarator): Initialize had_vla_unspec.
5263 (c_parser_parms_list_declarator): Likewise.
5264 * c-typeck.c (c_vla_type_p): Add.
5265 (composite_type): Add support for vla compositing.
5266 (comptypes_internal): Add support for vla compatibility.
5267 (c_expr_sizeof_expr): Evaluate vla arguments.
5268 * tree.c (variably_modified_type_p): Update comment for [*].
5270 2006-05-18 Michael Matz <matz@suse.de>
5273 * config.host: Make assignments to host_xmake_file cumulative.
5274 * config.host (*-darwin*): Test $host, not $target.
5276 2006-05-12 Stuart Hastings <stuart@apple.com>
5278 * config/i386/i386.opt (-mstackrealign): New flag.
5279 * config/i386/i386.c (force_align_arg_pointer): New attribute.
5280 (ix86_handle_cconv_attribute): Emit error when
5281 force_align_arg_pointer attribute collides with too many regparms.
5282 (ix86_function_regparm): Limit regparms when used with
5283 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
5284 Support stack-realigning prologue in non-main functions. Emit
5285 warning for nested functions under -mstackrealign, emit error for
5286 nested functions with force_align_arg_pointer attribute.
5287 * doc/extend.texi (force_align_arg_pointer): Document it.
5288 * doc/invoke.texi (-mstackrealign): Document it.
5290 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
5292 PR rtl-optimization/27477
5293 * combine.c (try_combine): Don't split a parallel consisting
5294 of two sets into two individual sets if both sets reference
5297 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
5299 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
5300 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
5302 * doc/options.texi (VarExists): Updated.
5304 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5306 * unwind-dw2.c: Add declarations for uw_update_context and
5308 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
5309 detected, advance frame state and context once to skip over stub.
5311 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5315 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
5316 Call rewrite_into_loop_closed_ssa only when something changed.
5317 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
5318 * lambda-code.c (can_convert_to_perfect_nest): Declared.
5319 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
5320 Test for perfect_nest_p here. Fix formating.
5321 (replace_uses_equiv_to_x_with_y): Fix formating.
5322 (stmt_uses_op): Removed.
5323 (can_convert_to_perfect_nest): Removed loopivs parameter.
5324 Complete the test by checking the scalar dependences.
5325 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
5328 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5331 From Dan Kegel <dank@kegel.com>:
5332 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
5334 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
5336 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
5337 if the element type is variably modified without recursing.
5339 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5342 * tree-loop-linear.c (try_interchange_loops): Test for
5343 no data dependences.
5345 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
5347 PR tree-optimization/27548
5348 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
5349 range of ssa names that appear on abnormal edges.
5350 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
5351 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
5353 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5356 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
5358 2006-05-17 Jakub Jelinek <jakub@redhat.com>
5361 * tree.h (OMP_PARALLEL_COMBINED): Define.
5362 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
5363 (new_omp_context): Add is_combined_parallel argument.
5364 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
5365 new_omp_context caller.
5366 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
5367 Adjust gimplify_scan_omp_clauses callers.
5368 (omp_is_private): Issue errors if iteration variable is firstprivate
5369 or reduction in the current context.
5370 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
5371 on combined parallel workshare constructs.
5373 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5375 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
5376 (gcc-options.o): New rule.
5378 * optc-gen.awk: Protect variables for gcc-options.o with
5379 #ifdef GCC_DRIVER/#endif.
5381 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
5383 Fix PR tree-optimization/27373
5384 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
5385 (forward_propagate_addr_expr): Update call.
5387 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5389 * doc/options.texi: Move the Negative option.
5391 2006-05-16 Richard Guenther <rguenther@suse.de>
5393 PR tree-optimization/22303
5394 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
5396 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
5397 ccp_fold did not simplify the statement.
5399 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5402 * Makefile.in (GCC_OBJS): New.
5403 (OBJS-common): Add opts-common.o.
5404 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
5405 (cpp$(exeext)): Likewise.
5406 (gcc.o): Also depend on opts.h.
5407 (opts-common.o): New.
5409 * common.opt (gcoff): Add Negative(gdwarf-2).
5410 (gdwarf-2): Add Negative(gstabs).
5411 (gstabs): Add Negative(gstabs+).
5412 (gstabs+): Add Negative(gvms).
5413 (gvms): Add Negative(gxcoff).
5414 (gxcoff): Add Negative(gxcoff+).
5415 (gxcoff+): Add Negative(gcoff).
5416 * config/i386/i386.opt (m32): Add Negative(m64).
5417 (m64): Add Negative(m32).
5419 * doc/options.texi: Document the Negative option.
5421 * gcc.c: Include "opts.h".
5422 (main): Call prune_options after expandargv.
5424 * optc-gen.awk: Generate common declarations for all flag
5425 variables in options.c. Output the neg_index field.
5427 * opts.c (find_opt): Moved to ...
5428 * opts-common.c: Here. New file.
5430 * opts.h (cl_option): Add a neg_index field.
5432 (prune_options): Likewise.
5434 2006-05-16 Jakub Jelinek <jakub@redhat.com>
5437 * omp-low.c (expand_omp_parallel): Don't assert
5438 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
5439 instead search for it.
5442 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
5445 2006-05-16 Andreas Schwab <schwab@suse.de>
5447 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
5450 2006-05-15 Roger Sayle <roger@eyesopen.com>
5453 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
5454 integer constants other than zero are only legitimate on TARGET_64BIT.
5455 <CONST_VECTOR> Only zero vectors are legitimate.
5456 (ix86_cannot_force_const_mem): Integral and vector constants can
5457 always be put in the constant pool.
5459 2006-05-16 DJ Delorie <dj@redhat.com>
5461 * crtstuff.c (__dso_handle): Set section from
5462 TARGET_LBIGCC_SDATA_SECTION if defined.
5463 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
5464 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
5466 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
5469 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
5472 2006-05-16 Ben Elliston <bje@au.ibm.com>
5474 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
5476 2006-05-15 Per Bothner <per@bothner.com>
5478 * tree.c: (last_annotated_node): Use source_locus typedef.
5479 This permits bootstrapping with --enable-mapped-location.
5481 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
5483 PR tree-optimization/26830
5484 * tree-into-ssa.c (struct ssa_name_info): Add age field.
5485 (info_for_ssa_name, current_info_for_ssa_name_age,
5486 blocks_to_update): New variables.
5487 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
5488 (clear_ssa_name_info, initialize_flags_in_bb,
5489 mark_block_for_update): New functions.
5490 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
5491 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
5492 prepare_def_site_for): Use mark_block_for_update.
5493 (mark_def_interesting): Assert that the processed block is marked in
5494 blocks_to_update. Do not take blocks argument.
5495 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
5497 (rewrite_update_init_block, rewrite_update_stmt): Only process
5498 blocks with statements to rewrite.
5499 (delete_update_ssa): Do not clear SSA_NAME_AUX.
5500 (update_ssa): Initialize and free blocks_to_update. Do not
5501 clear flags on statements. Do not use blocks bitmap.
5502 * tree.h (SSA_NAME_AUX): Removed.
5503 (struct tree_ssa_name): Removed aux field.
5504 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
5506 2006-05-15 Richard Guenther <rguenther@suse.de>
5508 PR tree-optimization/27603
5509 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5510 Do computations in original type.
5512 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
5514 * see.c: Code style changes such as redundant paranthesis,
5515 redundant intialization of local variables etc.
5516 (see_main): Declared now as static.
5517 * doc/invoke.texi: Update that -fsee is not enabled by
5520 2006-05-15 Jakub Jelinek <jakub@redhat.com>
5522 * omp-low.c (check_omp_nesting_restrictions): New function.
5523 (scan_omp_1): Call it.
5526 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
5527 construct, return *VAR.
5529 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
5531 PR rtl-optimization/27406
5532 * bt-load.c (migrate_btr_def): Skip the block having abnormal
5535 2006-05-14 Roger Sayle <roger@eyesopen.com>
5537 PR rtl-optimization/27538
5538 * combine.c (expand_compound_operation): Call gen_lowpart
5539 before calling simplify_shift_const.
5541 2006-05-14 Roger Sayle <roger@eyesopen.com>
5543 PR rtl-optimization/22563
5544 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
5545 a fixed width bitfield, always force the intermediates into psuedos.
5547 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
5550 * mkconfig.sh: Use operator = instead of == for test.
5552 2006-05-13 Nick Clifton <nickc@redhat.com>
5554 * dwarf2out.c (dbx_reg_number): Check return value from
5555 LEAF_REG_REMAP and only use it if it is valid.
5556 (multiple_reg_loc_descriptor): Likewise.
5558 2006-05-13 Richard Guenther <rguenther@suse.de>
5560 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
5563 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
5565 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
5566 information attached to non-INSNs such as NOTEs.
5567 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
5569 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
5571 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
5573 * config/s390/s390.md: Adjust comment describing On constraint.
5575 2006-05-11 Jan Hubicka <jh@suse.cz>
5577 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
5578 to be output at -O0.
5580 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5583 * fold-const.c (size_binop): Move sanity check for arguments to
5584 the beginning of the function.
5587 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
5590 2006-05-11 Richard Guenther <rguenther@suse.de>
5593 * fold-const.c (fold_unary): Handle intermediate conversion
5594 to a pointer type like intermediate conversion to an integer
5595 type in folding of (T1)(T2)var to var.
5596 Match the code to the comment in the final conversion for
5597 (T1)(T2)var to (T1)var regarding to type precision. Rather
5598 than disallow T1 being of pointer type, assert that both T1
5599 and var are of pointer type or not. Make sure not to fall
5600 over the frontends lazyness wrt array to pointer decay though.
5602 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
5604 * arm.c (arm_struct_value_rtx): Delete.
5605 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
5606 (arm_init_cumulative_args): Always initialize nregs to zero.
5608 2006-05-10 Richard Guenther <rguenther@suse.de>
5610 PR tree-optimization/27532
5611 * tree-object-size.c (plus_expr_object_size): Fix typo.
5613 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
5616 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
5617 ashrdi_const, ashrdi3): Use a scratch register.
5619 2006-05-10 Richard Guenther <rguenther@suse.de>
5621 PR tree-optimization/27302
5622 * fold-const.c (operand_equal_p): For two comparisons,
5623 try comparison of one comparison code swapped if that yields
5626 2006-05-10 Ben Elliston <bje@au.ibm.com>
5628 * tree-pretty-print.c (pretty_print_string): No need to handle
5629 '\0' as a special character.
5631 * tree.h: Include "hashtab.h".
5632 (iterative_hash_expr): Use hashval_t in its prototype.
5633 * Makefile.in (TREE_H): Add $(HASHTAB_H).
5635 2006-05-09 Steve Ellcey <sje@cup.hp.com>
5638 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
5639 (hppa*64*-*-hpux11*): Ditto.
5640 (hppa[12]*-*-hpux11*): Ditto.
5642 2006-05-09 David Edelsohn <edelsohn@gnu.org>
5645 * config/rs6000/aix41.h (TARGET_64BIT): Define.
5647 2006-05-09 Michael Matz <matz@suse.de>
5649 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
5650 host_extra_gcc_objs and host_xmake_file.
5651 (<*-*-linux*>): Don't overwrite host_xmake_file.
5652 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
5653 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
5654 (host_detect_local_cpu): Declare.
5655 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
5656 * config/i386/i386.c (override_options): Handle -mtune=native
5658 * config/i386/x-i386: New file.
5659 * config/i386/driver-i386.c: New file.
5660 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
5663 2006-05-09 Dirk Mueller <dmueller@suse.de>
5664 Richard Guenther <rguenther@suse.de>
5667 * fold-const.c (fold_read_from_constant_string): Relax check
5668 for matching types to matching modes.
5670 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
5672 PR rtl-optimization/27335
5673 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
5676 2006-05-08 Chao-ying Fu <fu@mips.com>
5677 Richard Sandiford <richard@codesourcery.com>
5679 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
5680 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
5681 * config/mips/mips.md (UNSPEC_SCC): New constant.
5682 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
5683 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
5684 (mips_emit_compare): Use it.
5685 (mips_expand_vcondv2sf): New function.
5687 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
5689 Fix PR tree-optimization/27093
5690 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
5691 renaming when they become not-used_alone.
5693 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5695 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
5696 relocation and relocation stubs.
5698 2006-05-08 Eric Christopher <echristo@apple.com>
5700 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
5703 2006-05-08 Jan Hubicka <jh@suse.cz>
5706 * cgraphunit.c (decide_is_function_needed): When not optimizing even
5707 unused static functions are needed.
5709 2006-05-08 Roger Sayle <roger@eyesopen.com>
5712 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5713 of a reg_equiv_constant if the result is a legitimate constant.
5715 2006-05-08 Uros Bizjak <uros@kss-loka.si>
5718 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
5719 standard 80387 constants, raise the cost to prevent
5720 compress_float_constant() to generate load from memory.
5722 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
5724 * config/arm/constraints.md (c): Fix a typo.
5726 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
5729 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
5732 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
5734 (_mm_mwait): Likewise.
5736 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
5738 (sse3_monitor): Make it 32bit only.
5739 (sse3_monitor64): New. 64bit monitor.
5741 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5744 * config/i386/i386.c (classify_argument): Skip fields with invalid
5747 2006-05-07 Richard Guenther <rguenther@suse.de>
5749 PR tree-optimization/27409
5750 * tree-ssa-structalias.c (get_constraint_for_component_ref):
5751 Do not try to find zero-sized subvars.
5753 2006-05-07 Richard Guenther <rguenther@suse.de>
5755 PR tree-optimization/27136
5756 * tree-ssa-loop-niter.c (get_val_for): Correct function
5757 comment, assert requirements.
5758 (loop_niter_by_eval): Stop processing if the iterated
5759 value did not simplify.
5761 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
5763 * opts.c (flag_see): remove its setting at -O3.
5765 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
5767 * genpeep.c (main): Make insn-peep.c depend on flags.h.
5768 * arm/constraints.md: New file.
5769 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
5770 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
5771 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
5772 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
5773 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
5774 (EXTRA_MEMORY_CONSTRAINT): Likewise.
5775 * arm.md: Include constraints.md.
5776 (thumb_movsi_insn): Use satisfies_constraint_J.
5777 (movhi, movqi): Use satisfies_constraint_I.
5779 2006-04-29 Anatoly Sokolov <aesok@post.ru>
5781 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
5782 for atmeg a645 device.
5784 2006-05-06 Richard Guenther <rguenther@suse.de>
5786 PR tree-optimization/27151
5787 * tree-vect-transform.c (vectorizable_condition): Punt on
5788 values that have a different type than the condition.
5790 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
5793 * c-parser.c (c_parser_cast_expression): Only insert casts into
5794 hash table if pointer.
5795 * function.c (used_types_insert_helper): Rename from
5797 (used_types_insert): Call used_types_insert_helper.
5798 * function.h (used_types_insert): Accept only one argument.
5800 2006-05-05 David Edelsohn <edesohn@gnu.org>
5802 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
5803 scratch with output modifier.
5805 2006-05-04 David Edelsohn <edelsohn@gnu.org>
5808 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
5809 with output modifier.
5811 2006-05-04 Richard Sandiford <richard@codesourcery.com>
5814 * config/mips/mips.c (mips_symbolic_address_p): Return true
5815 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
5816 SYMBOL_GOTTPREL, and SYMBOL_TLS.
5818 2006-05-04 Richard Guenther <rguenther@suse.de>
5820 PR tree-optimization/14287
5821 PR tree-optimization/14844
5822 PR tree-optimization/19792
5823 PR tree-optimization/21608
5824 PR tree-optimization/27090
5825 * tree-ssa-pre.c (try_combine_conversion): New function.
5826 (compute_avail): After constructing the value-handle
5827 expression, use try_combine_conversion to combine NOP_EXPRs
5828 with previous value-handle expressions and use the result if it
5831 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
5833 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
5835 2006-05-04 Jan Hubicka <jh@suse.cz>
5838 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
5840 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
5842 * config/bfin/predicates.md (const01_rtx): Tell generator programs
5843 that this only matches CONST_INTs. All users changed to VOIDmode
5846 * config/bfin/bfin.c: Include "optabs.h".
5847 (bfin_rtx_costs): Some costs for vector operations, to allow combine
5849 (enum bfin_builtins): Add a number of fractional and vector builtins.
5850 (bfin_init_builtins): Likewise.
5851 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
5852 (safe_vector_operand, bfin_expand_binop_builtin,
5853 bfin_expand_unop_builtin): New functions.
5854 (bfin_expand_builtin): Handle the new builtins.
5855 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
5858 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
5861 * Makefile.in (OBJS-common): Add see.o.
5862 (see.o): Add dependencies.
5863 * common.opt (fsee): New flag for the see optimization was added.
5864 * opts.c (flag_see): Initialized.
5865 * passes.c (init_optimization_passes, pass_see): New pass.
5866 * rtl.h (see_main): Declaration as extern.
5867 * timevar.def (TV_SEE): New.
5868 * tree-pass.h (pass_see): Declaration as extern.
5869 * invoke.texi (-fsee): Document.
5870 * recog.c (validate_simplify_insn): New function.
5871 * recog.h (validate_simplify_insn): Declaration as extern.
5872 * df-problems.c (df_chain_dump): Check for NULL.
5874 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
5875 Daniel Berlin <dberlin@dberlin.org>
5877 * cfgrtl.c (insert_insn_bb_end_new): New function.
5878 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
5880 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5882 * df.h (struct web_entry): Moved from web.c.
5883 (union_defs): Declaration as extern.
5884 (unionfind_root): Likewise.
5885 (unionfind_union): Likewise.
5886 * web.c (struct web_entry): Moved to df.h.
5887 (unionfind_root): Remove static declaration.
5888 (unionfind_union): Likewise.
5889 (union_defs): Likewise and generalize to use callback function.
5890 (web_main): Update arguments for union_defs function call.
5892 2006-05-04 Richard Guenther <rguenther@suse.de>
5894 PR tree-optimization/26447
5895 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
5896 produce SSA_NAME copies before the store stmt to avoid
5897 breaking exception handling.
5899 2006-05-04 Jakub Jelinek <jakub@redhat.com>
5902 * gimplify.c (omp_is_private): If var is shared in some outer context,
5903 return false instead of true. Stop searching on parallel context
5906 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
5909 * coverage.c: Use get_gcov_unsigned_t() instead of
5910 unsigned_type_node all over.
5912 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
5914 PR tree-optimization/27381
5915 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
5916 maintain the same immediate_use links.
5917 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
5918 node rather than segfaulting.
5920 2006-05-03 Jakub Jelinek <jakub@redhat.com>
5923 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
5924 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
5925 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
5927 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
5929 Fix PR tree-optimization/26626
5930 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
5932 * tree-ssa-operands.c (access_can_touch_variable): Allow
5933 typecasting through union pointers.
5935 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5938 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
5939 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
5940 to find if var will be a global variable even in the nested context.
5941 (omp_copy_decl): Only check for global variable at the end, it might
5942 be overridden in outer contexts.
5943 (scan_sharing_clauses): For global variables don't create a field.
5944 (lower_rec_input_clauses): Do nothing for global shared variables.
5945 Emit a barrier at the end of ILIST if there were any decls in both
5946 firstprivate and lastprivate clauses.
5947 (lower_send_clauses): Do nothing for global variables except for
5950 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
5952 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
5953 of the correct signedness is returned.
5955 2006-05-02 Jeff Law <law@redhat.com>
5957 PR tree-optimization/27364
5958 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
5959 multiply expressions.
5961 2006-05-02 Tom Tromey <tromey@redhat.com>
5963 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
5965 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
5968 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
5969 -mthumb -fPIC are used.
5971 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
5972 Joshua Kinard <kumba@gentoo.org>
5975 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
5976 with 64-bit pointers.
5978 2006-05-02 Paul Brook <paul@codesourcery.com>
5980 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
5982 (create_fix_barrier): Check that a suitable barrier location is
5984 (arm_reorg): Include ftmp->address in allowable range of addresses.
5986 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
5989 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
5992 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5995 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
5996 around RESULT_DECL for result passed by reference.
5997 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
5998 * omp-low.c (use_pointer_for_field): Don't look at
5999 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6000 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6001 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6002 time or var for passing by reference for
6003 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6004 TREE_ADDRESSABLE variables when passing by reference.
6006 * omp-low.c (dump_omp_region): Fix output formatting.
6009 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6010 (expand_omp_parallel): Likewise.
6011 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6014 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6015 on statement list containing also constructors and destructors.
6016 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6019 * except.c (duplicate_eh_regions): Fix clearing of
6020 cfun->eh->region_array entries.
6022 2006-05-01 DJ Delorie <dj@redhat.com>
6024 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6026 (gcc_cv_objdump): Likewise.
6027 * configure: Regenerated.
6029 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6032 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6033 templates for case 3 and 4.
6035 2006-05-01 DJ Delorie <dj@redhat.com>
6037 * vec.c: Include bconfig.h when appropriate.
6038 * Makefile.in (build/vec.o): Adjust dependencies.
6039 * mkconfig.sh: Make sure config.h isn't used for build machine
6042 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6044 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6046 (mark_phi_for_rewrite): New function.
6047 (insert_phi_nodes_for, mark_use_interesting): Call
6048 mark_phi_for_rewrite.
6049 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
6050 (update_ssa): Initialize and free phis_to_rewrite.
6052 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6054 PR rtl-optimization/27291
6055 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
6056 folded to a constant.
6058 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6060 PR tree-optimization/27283
6061 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
6062 not whole # of iteration descriptions.
6063 (niter_for_exit): Return just # of iterations. Fail if # of iterations
6064 uses abnormal ssa name.
6065 (niter_for_single_dom_exit): Ditto.
6066 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
6067 return just the number of iterations.
6069 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6071 PR tree-optimization/27144
6072 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
6073 (record_estimate): Only record constant upper bound.
6074 (infer_loop_bounds_from_undefined): Call
6075 compute_estimated_nb_iterations just once.
6076 (proved_non_wrapping_p): Renamed to ...
6077 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6078 (convert_step_widening, scev_probably_wraps_p): Call
6079 n_of_executions_at_most instead of proved_non_wrapping_p.
6080 (substitute_in_loop_info): Do not replace values in bounds.
6081 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6084 2006-05-01 Richard Henderson <rth@redhat.com>
6087 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6088 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6091 2006-05-01 Roger Sayle <roger@eyesopen.com>
6093 * c-typeck.c (parser_build_binary_op): Don't call the function
6094 unsigned_conversion_warning to spot operand/result type overflow.
6095 (build_binary_op): Instead, call convert_and_check instead of
6096 convert to report the problem when the operands are promoted.
6097 * c-common.c (unsigned_conversion_warning): Make static.
6098 * c-common.h (unsigned_conversion_warning): Delete prototype.
6100 2006-05-01 Richard Guenther <rguenther@suse.de>
6102 PR tree-optimization/26726
6103 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6105 (find_interesting_uses_address): ... we work around here
6106 by folding INDIRECT_REFs in the substituted base.
6108 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6110 * omp-low.c (dump_omp_region): Add newlines.
6112 2006-04-30 Roger Sayle <roger@eyesopen.com>
6114 * common.opt (Woverflow): New command line option.
6115 * c-common.c (constant_expression_warning): Check warn_overflow.
6116 (overflow_waring): Pass OPT_Woverflow to warning.
6117 (unsigned_conversion_warning): Likewise.
6118 (convert_and_check): Likewise.
6119 * doc/invoke.texi: Document new command line option.
6121 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6123 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6124 TARGET_NO_FP_IN_TOC for section anchors.
6125 (optimization_options): Enable section anchors for all
6126 non-"Objective" languages.
6128 2006-04-28 Eric Christopher <echristo@apple.com>
6130 * config/darwin-c.c (darwin_ms_struct): Move this
6131 (darwin_set_default_type_attributes): and this...
6132 * config/darwin.c: ... here.
6133 * config/darwin.h (darwin_ms_struct): Declare.
6135 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
6137 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
6139 2006-04-28 Roger Sayle <roger@eyesopen.com>
6142 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
6143 (push_array_bounds): Delete prototype. Change BOUNDS argument to
6144 an unsigned HOST_WIDE_INT.
6145 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
6147 (really_start_incremental_init): No need to call convert because
6148 bitsize_zero_node is already of type bitsizetype.
6149 (push_init_level): Extract the value of constructor_index as an
6150 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
6151 (process_init_element): Likewise.
6153 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
6155 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
6156 value before passing to make_relative_prefix.
6158 2006-04-28 Alan Modra <amodra@bigpond.net.au>
6161 * builtins.c (expand_builtin_memset): Expand val in original mode.
6163 2006-04-27 Eric Christopher <echristo@apple.com>
6165 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
6166 with #ifndef/#endif.
6167 * config/darwin-c.c (darwin_ms_struct): New.
6168 (darwin_pragma_ms_struct): Ditto.
6169 (darwin_set_default_type_attributes): Ditto.
6170 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
6171 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
6172 Register ms_struct pragma.
6173 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
6174 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
6175 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
6176 darwin_set_default_type_attributes if TARGET_MACHO.
6178 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
6180 PR tree-optimization/26854
6181 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
6182 * doc/tree-ssa.texi: Update immuse iterator documentation.
6183 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
6184 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
6185 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
6186 first_safe_imm_use, next_safe_imm_use): Remove.
6187 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
6188 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
6189 (move_use_after_head): New. Helper function to sort immuses in a stmt.
6190 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
6191 (first_imm_use_stmt): New. Get first stmt in an immuse list.
6192 (next_imm_use_stmt): New. Get next stmt in an immuse list.
6193 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
6194 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
6195 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
6196 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
6197 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
6198 (perfect_nestify): Use new iterator.
6199 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
6201 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
6202 (next_imm_name): New field in struct immediate_use_iterator_d.
6203 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
6204 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
6205 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
6206 * tree-cfg.c (replace_uses_by): Use new iterator.
6207 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
6208 * tree-ssa-operands.c (correct_use_link): Remove.
6209 (finalize_ssa_use_ops): No longer call correct_use_link.
6211 2006-04-27 Stuart Hastings <stuart@apple.com>
6213 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
6214 * config/t-darwin (crt3.o): Use it.
6215 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
6216 'pmode', use Pmode instead of SImode for SYMBOL_REF.
6217 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
6218 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
6219 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
6222 2006-04-27 Roger Sayle <roger@eyesopen.com>
6224 * expmed.c (store_fixed_bit_field): If we're not optimizing for
6225 size, force the intermediate into a new pseudo rather instead of
6226 performing both a bitwise AND and a bitwise IOR in memory.
6228 2006-04-27 Richard Guenther <rguenther@suse.de>
6230 PR rtl-optimization/26685
6231 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
6232 this one "max-flow-memory-locations".
6234 2006-04-27 Richard Guenther <rguenther@suse.de>
6236 PR tree-optimization/25148
6237 * tree-vrp.c (compare_values): Remove code dealing with
6238 comparisons against type min/max value. Honour overflow
6239 and negative constants in code dealing with comparisons
6240 of plus and minus expressions.
6241 (value_inside_range): Use fold_binary with LE_EXPR and
6242 GE_EXPR rather than compare_values.
6244 2006-04-27 Dirk Mueller <dmueller@suse.de>
6246 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
6249 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
6251 * basic-block.h (safe_insert_insn_on_edge): Removed.
6252 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
6254 2006-04-26 David Edelsohn <edelsohn@gnu.org>
6255 Paolo Bonzini <bonzini@gnu.org>
6258 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
6259 (simplify_and_const_int): Same.
6261 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
6263 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
6265 2006-04-26 Jakub Jelinek <jakub@redhat.com>
6268 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
6269 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
6270 cgraph_global_info_ready.
6273 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
6276 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
6277 either decl or init is error_mark_node.
6280 * tree-flow.h (struct omp_region): Add sched_kind.
6281 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
6282 instead of extracting omp for data.
6283 (expand_omp_for): Save extracted sched_kind.
6285 2006-04-25 Roger Sayle <roger@eyesopen.com>
6287 * expmed.c (store_bit_field): Also check whether the bitsize is
6288 valid for the machine's "insv" instruction before moving the
6289 target into a pseudo for use with the insv.
6290 * config/i386/predicates.md (const8_operand): New predicate.
6291 * config/i386/i386.md (extv, extzv, insv): Use the new
6292 const8_operand predicate where appropriate.
6294 2006-04-25 DJ Delorie <dj@redhat.com>
6296 * doc/install.texi (Specific): Clarify that this is not a list of
6297 supported hosts or targets.
6299 2006-04-25 Richard Sandiford <richard@codesourcery.com>
6301 PR rtl-optimization/26725
6302 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
6303 block's BB_DIRTY flag.
6305 2006-04-25 Geoffrey Keating <geoffk@apple.com>
6307 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
6310 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
6311 to print an integer.
6313 2006-04-25 David Edelsohn <edelsohn@gnu.org>
6315 * varasm.c (align_variable): New function.
6316 (get_block_for_decl): Apply align_variable to DECL before
6317 calculating section information.
6318 (assemble_variable): Split out alignment computation.
6320 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
6322 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
6325 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
6327 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
6328 MODE_PARTIAL_INT mode.
6329 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
6330 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
6332 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
6333 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
6335 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
6337 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
6339 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
6340 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
6341 MACFLAG_IH): Likewise.
6342 (movstricthi_1): Renamed from "*movstricthi".
6343 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
6344 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
6345 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
6346 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
6347 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
6348 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
6349 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
6350 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
6351 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
6352 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
6353 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
6354 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
6355 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
6356 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
6357 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
6359 * doc/rtl.texi (ss_ashift): Improve wording.
6361 2006-04-24 Geoffrey Keating <geoffk@apple.com>
6363 * dwarf2out.c (verify_marks_clear): New.
6364 (prune_unused_types): Call verify_marks_clear initially, not
6367 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
6369 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
6370 * doc/rtl.texi: Document them.
6371 * simplify-rtx.c (simplify_unary_operation,
6372 simplify_binary_operation_1): Don't abort when we see them.
6374 2006-04-24 Mark Mitchell <mark@codesourcery.com>
6377 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6378 * configure.ac: Completely disregard languages that are not
6380 * configure: Regenerated.
6382 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6383 Richard Guenther <rguenther@suse.de>
6385 PR tree-optimization/27236
6386 * tree-inline.c (copy_body_r): Make sure to copy
6387 TREE_THIS_VOLATILE flag.
6389 2006-04-24 Richard Guenther <rguenther@suse.de>
6392 * tree-complex.c (update_parameter_components): Don't handle
6393 unused parameters which have no default def.
6395 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6396 Richard Guenther <rguenther@suse.de>
6398 PR tree-optimization/27218
6399 * tree-inline.c (expand_call_inline): Strip useless type
6400 conversions for the return slot address.
6402 2006-04-24 Richard Guenther <rguenther@suse.de>
6404 * cfgloop.h (struct loops): Remove unused field array. Reorder
6406 (LOOP_PREFETCH): Remove.
6408 2006-04-24 Richard Guenther <rguenther@suse.de>
6410 PR tree-optimization/22525
6411 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
6412 variable, adjust types of generated expressions.
6414 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
6416 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
6417 (tree-vect-patterns.o): Likewise.
6419 (cselib.o): Likewise.
6420 (loop-doloop.o): Likewise.
6421 (regclass.o): Likewise.
6422 (reload1.o): Likewise.
6423 (explow.o): Replace target.h with $(TARGET_H).
6424 (ipa-prop.o): Likewise.
6425 (ipa-cp.o): Likewise.
6426 (ipa-inline.o): Likewise.
6427 (reorg.o): Likewise.
6428 (reg-stack.o): Likewise.
6430 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6432 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
6434 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6436 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
6438 * configure.ac: Completely disregard languages that are not
6440 * configure: Regenerated.
6443 * c-common.h (c_build_bitfield_integer_type): Declare.
6444 * c-decl.c (c_build_bitfield_integer_type): Move to ...
6445 * c-common.c (c_build_bitfield_integer_type): ... here.
6447 2006-04-23 Roger Sayle <roger@eyesopen.com>
6450 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
6451 a SImode SUBREG of a floating point register after no_new_pseudos.
6453 2006-04-23 Roger Sayle <roger@eyesopen.com>
6455 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
6456 identify potentially eliminable registers to additionally catch
6457 VIRTUAL_INCOMING_ARGS_REGNUM.
6458 (addsi3): Update the conditions on when to use addsi_small_int.
6460 2006-04-23 Roger Sayle <roger@eyesopen.com>
6463 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
6464 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
6465 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
6467 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6469 * fold-const.c (range_predecessor): Use operand_equal_p
6470 as the predicate for equality.
6471 (range_successor): Likewise.
6473 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6476 * config/soft-fp/op-common.h: Fix a typo.
6478 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
6481 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
6482 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
6484 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6486 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
6488 * doc/tm.texi: Fix a typo.
6490 2006-04-21 Geoffrey Keating <geoffk@apple.com>
6492 * dwarf2out.c (struct die_struct): Document that die_sib makes
6493 a circular linked list.
6494 (FOR_EACH_CHILD): New.
6495 (reverse_die_lists): Delete.
6496 (reverse_all_dies): Delete.
6497 (add_dwarf_attr): Correct documentation.
6498 (remove_child_with_prev): New.
6499 (remove_child_TAG): Update for change to die_struct, use
6500 remove_child_with_prev.
6501 (add_child_die): Update for change to die_struct.
6502 (splice_child_die): Use remove_child_with_prev and add_child_die.
6503 (print_die): Use FOR_EACH_CHILD.
6504 (die_checksum): Likewise.
6505 (assign_symbol_names): Likewise.
6506 (output_location_lists): Likewise.
6507 (build_abbrev_table): Likewise.
6508 (calc_die_sizes): Likewise.
6509 (mark_dies): Likewise.
6510 (unmark_dies): Likewise.
6511 (unmark_all_dies): Likewise.
6512 (output_die): Likewise.
6513 (prune_unused_types_mark): Likewise.
6514 (prune_unused_types_walk): Likewise.
6515 (same_die_p): Update for change to die_struct.
6516 (break_out_includes): Likewise.
6517 (prune_unused_types_prune): Likewise.
6518 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
6519 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
6521 (dwarf2out_finish): Don't call reverse_all_dies.
6523 2006-04-21 Eric Christopher <echristo@apple.com>
6525 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
6526 in comments and function names.
6528 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6531 * c-typeck.c (digest_init): Robustify.
6533 * c-typeck.c (pop_init_level): Simplify.
6535 2006-04-21 Steve Ellcey <sje@cup.hp.com>
6537 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
6539 2006-04-21 Paul Brook <paul@codesourcery.com>
6541 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
6542 hardware floating point.
6544 2006-04-21 David Edelsohn <edelsohn@gnu.org>
6546 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
6549 2006-04-21 Nick Clifton <nickc@redhat.com>
6551 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
6554 2006-04-21 Alan Modra <amodra@bigpond.net.au>
6557 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
6558 C++ lang type in traceback table for Objective-C++.
6560 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
6562 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
6564 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
6566 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6569 * tree-mudflap.c (mudflap_finish_file): Skip function when there
6570 were errors. Remove check for erroneous objects.
6572 2006-04-20 Jeff Law <law@redhat.com>
6574 PR tree-optimization/26854
6575 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
6576 checking for zero or one use.
6577 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
6578 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
6579 * tree-ssa-reassoc.c (negate_value): Similarly.
6580 (reassociate_bb): Similarly.
6582 2006-04-20 Jakub Jelinek <jakub@redhat.com>
6584 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
6585 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
6586 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
6588 2006-04-20 Alan Modra <amodra@bigpond.net.au>
6590 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
6591 fp regs if the last fp arg doesn't fit in regs.
6593 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
6596 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
6597 that the last insn has the REG_INC note.
6599 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
6600 Nathan Sidwell <nathan@codesourcery.com>
6603 * stor-layout.c (update_alignment_for_field): Do not align
6605 (place_union_field): Place union field at the start of the union.
6606 (place_field): Move ERROR_MARK check later, and use the current
6607 allocation position to maintain monotonicity.
6609 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
6611 * dominance.c: Include timevar.h.
6612 (calculate_dominance_info): Use TV_DOMINANCE.
6613 * timevar.def (TV_DOMINANCE): New timevar.
6614 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
6616 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6618 PR rtl-optimization/14261
6619 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
6620 move would be an INSV insn.
6621 (noce_process_if_block): Don't optimize if the destination is a
6622 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
6624 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6626 * config/s390/s390.md: Add comments with the instructions emitted
6627 by an insn pattern if macros are used.
6629 2006-04-19 Alan Modra <amodra@bigpond.net.au>
6631 PR rtl-optimization/26026
6632 * fold-const.c (fold_binary): Optimize div and mod where the divisor
6633 is a known power of two shifted left a variable amount.
6635 2006-04-18 Geoffrey Keating <geoffk@apple.com>
6637 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
6638 to hash table twice when the debug_str section has SECTION_MERGE.
6640 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
6642 * config/soft-fp: New directory. From glibc.
6643 * config/soft-fp/t-softfp: New.
6644 * config/soft-fp/README: New.
6645 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
6646 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
6647 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
6648 (LIBGCC_DEPS): Add $(SFP_MACHINE).
6649 * config.gcc: Use rs6000/t-fprules-fpbit or
6650 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
6652 * config/rs6000/sfp-machine.h: New. Based on glibc.
6653 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
6655 * config/rs6000/t-fprules: Remove fp-bit rules.
6656 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
6657 * config/rs6000/t-linux64: Likewise. Remove duplicates from
6658 LIB2FUNCS_EXTRA. Remove fp-bit rules.
6659 (softfp_wrap_start, softfp_wrap_end): New.
6661 2006-04-18 DJ Delorie <dj@redhat.com>
6663 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
6665 2006-04-18 Devang Patel <dpatel@apple.com>
6667 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
6669 2006-04-18 Nick Clifton <nickc@redhat.com>
6671 * config/sh/t-symbian: Add rule to build sh-c.o
6672 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
6673 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
6674 (sh_symbian_encode_section_info): Likewise.
6676 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
6678 * builtins.c (expand_builtin_strcmp): Cover label definition of
6679 do_libcall with HAVE_cmpstrnsi.
6681 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
6683 * function.c (temp_slots_at_level, max_slot_level): Use VEC
6685 * function.h (temp_slot_p): New.
6686 (function): Change the type of x_used_temp_slots to
6687 VEC(temp_slot_p,gc) *.
6689 2006-04-18 Nick Clifton <nickc@redhat.com>
6691 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
6692 flag_strength_reduce.
6694 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
6696 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6700 Partial revert of revision 112637
6701 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6702 Dale Johannesen <dalej@apple.com>
6705 * regclass.c (struct reg_pref): Update documentation.
6706 (regclass): Set prefclass to NO_REGS if memory is the best option.
6707 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6709 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6711 PR tree-optimization/26821
6712 * tree-ssa-math-opts.c (get_constant_one): New.
6713 (insert_reciprocals): Use it.
6715 2006-04-17 Geoffrey Keating <geoffk@apple.com>
6717 * dwarf2out.c (free_AT): Delete.
6718 (remove_AT): Update string ref counts.
6719 (remove_child_TAG): Don't call free_die.
6721 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
6722 or DW_TAG_GNU_EINCL.
6723 (prune_unused_types_walk_attribs): Reset string refcounts.
6724 (prune_unused_types_update_strings): New.
6725 (prune_unused_types_prune): Don't make unnecessary stores. Don't
6726 call free_die. Do call prune_unused_types_update_strings.
6727 (prune_unused_types): Empty debug_str_hash.
6729 2006-04-17 Roger Sayle <roger@eyesopen.com>
6731 * expr.c (expand_assignment): Optimize away no-op moves where the
6732 source and destination are equal and have no side-effects.
6734 2006-04-17 Richard Guenther <rguenther@suse.de>
6737 * reload.c (push_reload): Guard calls to get_secondary_mem
6740 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
6742 * alias.c (reg_base_value, old_reg_base_value): Change the
6743 type to VEC(rtx,gc) *.
6744 (REG_BASE_VALUE, find_base_value, record_set,
6745 init_alias_analysis): Use VEC instead of VARRAY.
6747 * alias.c (alias_sets): Change the type to
6748 VEC(alias_set_entry,gc) *.
6749 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
6750 VEC instead of VARRAY.
6751 (last_alias_set): Remove.
6753 * cgraph.h (cgraph_edge_p): New.
6754 Update the prototype of cgraph_function_versioning.
6755 * cgraphunit.c (cgraph_copy_node_for_versioning,
6756 cgraph_function_versioning): Use VEC instead of VARRAY.
6757 * ipa-cp.c (ipcp_insert_stage): Likewise.
6759 2006-04-16 Roger Sayle <roger@eyesopen.com>
6762 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
6763 "A op B" or "A op C", we may need to convert A to the type of B and C.
6765 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
6767 * target.h (struct gcc_target): Add mode_rep_extended.
6768 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
6769 (init_num_sign_bit_copies_in_rep): Initialize it using
6771 (truncate_to_mode): Use it.
6772 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
6773 * targhooks.h (default_mode_rep_extended): Declare it.
6774 * targhooks.c (default_mode_rep_extended): Define it.
6775 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
6776 default_mode_rep_extended.
6777 (TARGET_INITIALIZER): Include it.
6778 * doc/tm.texi (Misc): Document it.
6779 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
6780 (mips_truncated_to_mode): New function.
6782 2006-04-16 Roger Sayle <roger@eyesopen.com>
6785 * expr.c (compress_float_constant): Copy the narrow constant into
6786 a new pseudo before extending it to its final width.
6788 2006-04-16 Roger Sayle <roger@eyesopen.com>
6789 Andrew Pinski <pinskia@gcc.gnu.org>
6790 Dale Johannesen <dalej@apple.com>
6793 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
6794 special case code to implement V8HImode and V16QImode with SSE2.
6796 2006-04-15 Roger Sayle <roger@eyesopen.com>
6798 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
6799 trees are constructed with a suitable tree type.
6801 2006-04-15 Roger Sayle <roger@eyesopen.com>
6803 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
6804 (integer_onep): Likewise.
6805 (integer_all_onesp): Likewise.
6806 (integer_pow2p): Likewise.
6807 (integer_nonzerop): Likewise.
6808 (real_zerop): Likewise.
6809 (real_onep): Likewise.
6810 (real_twop): Likewise.
6811 (real_minus_onep): Likewise.
6812 (int_size_in_bytes): Likewise.
6813 (host_integerp): Likewise.
6815 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
6817 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
6818 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
6819 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
6821 * tree-ssa-structalias.h (alias_info): Remove num_references.
6823 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6825 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
6826 (output_bvb patterns): Likewise.
6827 * pa.c (output_bb): Use 'bb' insn for long branch case.
6828 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
6829 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
6830 1. Correct length operand for alternatives 1 and 2.
6831 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
6832 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
6834 2006-04-14 Roger Sayle <roger@eyesopen.com>
6836 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
6837 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
6838 were accidentally reverted by r112959.
6840 2006-04-15 Jakub Jelinek <jakub@redhat.com>
6843 * except.h (eh_region_outermost): New prototype.
6844 * except.c (eh_region_outermost): New function.
6845 * tree-cfg.c (find_outermost_region_in_block): Use it.
6847 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6849 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
6851 * reload1.c (reg_equiv_memory_loc_varray): Rename to
6852 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
6853 (init_reload, reload): Use VEC instead of VARRAY.
6854 * reload.h: Update the prototype for
6855 reg_equiv_memory_loc_varray.
6857 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
6858 Eric Botcazou <ebotcazou@libertysurf.fr>
6860 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
6863 2005-04-13 Uros Bizjak <uros@kss-loka.si>
6866 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
6867 to expand fallback builtin function call.
6869 2006-04-14 Alan Modra <amodra@bigpond.net.au>
6872 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
6873 and emit libcall here in case the builtin fails.
6874 (expand_builtin_strcmp): Always emit the libcall here on failure.
6876 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6878 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
6879 * flow.c (reg_n_info): Change the type to
6880 VEC(reg_info_p,heap) *.
6881 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
6883 * regs.h (reg_info_p): New.
6884 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
6885 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
6886 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
6889 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
6891 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
6893 * params.h (MAX_SCHED_READY_INSNS): New macro.
6894 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
6895 past MAX_SCHED_READY_INSNS during the first scheduling pass.
6896 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
6897 the ready list for 1 cycle during the first scheduling pass.
6898 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
6900 2006-04-13 Richard Henderson <rth@redhat.com>
6903 * gimple-low.c (lower_omp_directive): Remove dead code.
6904 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
6905 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
6906 * omp-low.c (struct omp_region): Move to tree-flow.h.
6907 (root_omp_region): Export.
6908 (omp_regions, lookup_omp_region): Remove.
6909 (determine_parallel_type): Update for struct omp_region changes.
6910 (dump_omp_region): Dump regions with block numbers.
6911 (new_omp_region): Take type and block instead of stmt; malloc
6913 (free_omp_region_1, free_omp_regions): New.
6914 (expand_parallel_call): Take entry_stmt as argument; update for
6915 changes to omp_region.
6916 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
6917 (remove_exit_barriers): New.
6918 (expand_omp_parallel): Update for struct omp_region changes.
6919 (expand_omp_synch): Likewise.
6920 (expand_omp): Likewise.
6921 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
6922 (expand_omp_for_static_chunk): Likewise.
6923 (expand_omp_for): Likewise.
6924 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
6925 (expand_omp_sections): Similarly, with GOMP_sections_end.
6926 (expand_omp_single): New.
6927 (build_omp_regions_1): Update for OMP_CONTINUE.
6928 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
6929 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
6930 OMP_SECTIONS_SECTIONS.
6931 (lower_omp_single_simple): Don't emit barrier here.
6932 (lower_omp_single_copy): Likewise.
6933 (lower_omp_single): Fix bindings, and lower to straightline now.
6934 (lower_omp_master, lower_omp_ordered): Likewise.
6935 (lower_omp_critical): Likewise.
6936 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
6937 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
6938 omp edges, free it afterward.
6939 (make_omp_sections_edges): Remove.
6940 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
6941 (move_stmt_r): Handle OMP_CONTINUE.
6942 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
6943 statement pointers to basic blocks. Add type member.
6944 (root_omp_region, new_omp_region, free_omp_regions): Declare.
6945 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
6946 * tree-inline.c (estimate_num_insns_1): Likewise.
6947 * tree-pretty-print.c (dump_generic_node): Likewise.
6948 * tree-ssa-operands.c (get_expr_operands): Likewise.
6949 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
6950 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
6951 (OMP_CONTINUE): New.
6952 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
6953 (OMP_SECTIONS_SECTIONS): Remove.
6954 (OMP_SECTION_LAST): New.
6955 (OMP_RETURN_NOWAIT): New.
6957 2006-04-13 Roger Sayle <roger@eyesopen.com>
6959 * fold-const.c (native_encode_vector, native_interpret_real):
6960 Correct obvious mistakes in the previous check-in.
6962 2006-04-13 Roger Sayle <roger@eyesopen.com>
6964 * fold-const.c (native_encode_expr): New function to encode
6965 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
6966 or VECTOR_CST into a specified buffer.
6967 (native_encode_int): New function.
6968 (native_encode_real): New function.
6969 (native_encode_complex): New function.
6970 (native_encode_vector): New function.
6971 (native_interpret_expr): Inverse of native_encode_expr to convert
6972 a target representation into an INTEGER_CST, REAL_CST etc...
6973 (native_interpret_int): New function.
6974 (native_interpret_real): New function.
6975 (native_interpret_complex): New function.
6976 (native_interpret_vector): New function.
6977 (fold_view_convert_expr): New function to constant fold/evaluate
6978 a VIEW_CONVERT_EXPR of a suitable constant expression.
6979 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
6980 Change call of build1 to fold_build1 when constructing a
6983 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
6984 Ulrich Weigand <uweigand@de.ibm.com>
6987 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
6990 2006-04-13 Alan Modra <amodra@bigpond.net.au>
6993 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
6994 optimize to lo_sum for DFmode if !TARGET_FPRS.
6996 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6998 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
6999 delete_alias_info, compute_flow_sensitive_aliasing,
7000 group_aliases): Use VEC instead of VARRAY.
7001 * tree-ssa-structalias.c (update_alias_info): Likewise.
7002 * tree-ssa-structalias.h (alias_info): Change the type of
7003 processed_ptrs to VEC(tree,heap) *.
7005 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7008 * config/sh/lib1funcs.h: New file, broken out of:
7009 * config/sh/lib1funcs.asm.
7010 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7012 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7013 * config/sh/lib1funcs-Os-4-200.asm: New file.
7014 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7015 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7016 (EXTRA_MULTILIB_PARTS): Include it.
7017 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7018 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7019 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7020 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7023 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7025 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7026 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7027 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7029 * tree-ssa-live.h: Include vecprim.h.
7030 (tree_partition_associator_d): Change the type of
7031 first_partition to VEC(int,heap) *.
7032 (tpa_first_partition): Use VEC instead of VARRAY.
7034 * Makefile.in (GTFILES): Move functions.h after tree.h.
7035 * function.c (reset_block_changes, record_block_change,
7036 check_block_change, free_block_changes): Use VEC instead of
7038 * function.h (function): Change the type of
7039 ib_boundaries_block to VEC(tree,gc) *.
7040 * tree-inline.c (copy_cfg_body): Initialize
7041 ib_boundaries_block to NULL instead of (varray_type) 0.
7043 2006-04-12 Roger Sayle <roger@eyesopen.com>
7045 * expr.c (emit_group_store): Correct operand order in call to
7046 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7047 a SUBREG_BYTE of zero.
7049 2006-04-12 Richard Guenther <rguenther@suse.de>
7051 * profile.c (compute_branch_probabilities): Remove code
7052 encapsulated in !ir_type (), which are remanents of the
7053 removed RTL profiling code.
7054 * rtl-profile.c: Remove.
7056 2006-04-12 Alan Modra <amodra@bigpond.net.au>
7058 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
7059 magic NULL_RTX comment.
7060 (function_arg): Store entire fp arg to mem if any part should go
7062 (rs6000_arg_partial_bytes): Adjust for above change.
7064 2006-04-11 Roger Sayle <roger@eyesopen.com>
7066 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
7067 if it hasn't been initialized by dwarf2out_init.
7069 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
7071 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
7072 symbolic constants in branch patterns.
7074 2006-04-11 Roger Sayle <roger@eyesopen.com>
7076 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7078 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7080 PR rtl-optimization/27073
7081 * gcse.c (try_replace_reg): Revert last change. Continue to search
7082 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7085 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7087 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7088 aggregate types other than record and union types.
7089 (function_arg): Likewise.
7090 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7092 (function_value): In 64-bit mode, return objects that require it
7095 2006-04-11 Roger Sayle <roger@eyesopen.com>
7097 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7099 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7101 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7103 2006-04-03 Jeff Law <law@redhat.com>
7106 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7107 alias information too.
7109 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7111 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7113 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7116 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7117 (premark_used_types_helper): New.
7118 (premark_used_types): New.
7119 (gen_subprogram_die): Call premark_used_types.
7120 (prune_unused_types_walk): Do not prune perennial dies.
7121 * function.c (used_types_insert): New.
7122 * function.h (struct function): Add used_types_hash field.
7123 (used_types_insert): Add prototype.
7124 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
7125 * c-parser.c (c_parser_cast_expression): Save casted types in used
7128 2006-04-11 Mark Mitchell <mark@codesourcery.com>
7131 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
7132 rs6000_explicit_options.float_gprs.
7134 2006-04-10 Roger Sayle <roger@eyesopen.com>
7136 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
7137 from ix86_expand_vector_init_low_nonzero. Take an additional
7138 one_var argument indicating which element is non-zero. Support
7139 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7140 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
7141 with one_var instead of ix86_expand_vector_init_low_nonzero.
7143 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
7145 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
7146 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
7147 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
7148 build/genextract.o): Depend on vecprim.h.
7149 * cfglayout.c, df-problems.c, function.c, genextract.c,
7150 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
7151 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
7155 2006-04-10 Geoffrey Keating <geoffk@apple.com>
7157 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
7158 Declare VECs of this type.
7159 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
7160 (remove_children): Delete.
7161 (add_dwarf_attr): Use VEC routines.
7162 (add_AT_flag): Update for changes to add_dwarf_attr.
7163 (add_AT_int): Likewise.
7164 (add_AT_unsigned): Likewise.
7165 (add_AT_long_long): Likewise.
7166 (add_AT_vec): Likewise.
7167 (add_AT_string): Likewise.
7168 (add_AT_die_ref): Likewise.
7169 (add_AT_fde_ref): Likewise.
7170 (add_AT_loc): Likewise.
7171 (add_AT_loc_list): Likewise.
7172 (add_AT_addr): Likewise.
7173 (add_AT_lbl_id): Likewise.
7174 (add_AT_lineptr): Likewise.
7175 (add_AT_macptr): Likewise.
7176 (add_AT_offset): Likewise.
7177 (add_AT_range_list): Likewise.
7178 (get_AT): Use VEC_iterate.
7179 (remove_AT): Use VEC_ordered_remove.
7180 (free_die): Fold remove_children into here; have it use VEC_iterate.
7181 (print_die): Use VEC_iterate on attrs.
7182 (reverse_die_lists): Don't reverse attr lists.
7183 (die_checksum): Use VEC_iterate on attrs.
7184 (same_die_p): Likewise.
7185 (output_location_lists): Likewise.
7186 (build_abbrev_table): Likewise.
7187 (size_of_die): Likewise.
7188 (unmark_all_dies): Likewise.
7189 (output_abbrev_section): Likewise.
7190 (output_die): Likewise.
7191 (prune_unused_types_walk_attribs): Likewise.
7193 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7195 * doc/install.texi (*-*-solaris2*): Point to the configure page.
7197 2006-04-10 Jakub Jelinek <jakub@redhat.com>
7200 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
7202 2006-04-09 Roger Sayle <roger@eyesopen.com>
7204 * expr.c (store_constructor): Don't bother clearing target if
7205 we're about to assign a vector to it using vec_init_optab.
7207 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
7209 * tree-ssa-alias.c (lhs_may_store_to): New function.
7210 (recalculate_used_alone): Handle LHS of calls.
7212 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7216 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
7217 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
7218 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
7219 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
7220 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
7221 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
7222 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
7223 stubs. Add ".align 8" directives before all ".dword" directives.
7224 (GTHREAD_USE_WEAK): Revise comment.
7225 (TARGET_ATTRIBUTE_WEAK): Define.
7226 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
7227 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
7228 * stublib.c: New file.
7233 * pa.md (cbranch patterns): Revise arguments used in calls to
7234 output_cbranch, output_bb and output_bvd. Add long branch length
7236 (fbranch patterns): Handle long branches.
7237 (jump): Revise length check. Revise arguments for output_lbranch call.
7238 Add long branch length attributes.
7239 (decrement_and_branch_until_zero): Add long branch length attributes.
7240 (output_movb, output_parallel_addb and output_parallel_movb patterns):
7241 Likewise. Revise arguments for output_parallel_addb and
7242 output_parallel_movb calls.
7243 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
7244 output_parallel_movb and output_parallel_addb): Update prototypes.
7245 * pa.c (output_cbranch): Revise arguments. Correct handling of
7246 nullification in long branches.
7247 (output_lbranch): Add new argument to control extraction of delay
7249 (output_bb): Handle long branches.
7250 (output_bvb, output_dbra, output_movb, output_parallel_movb,
7251 output_parallel_addb): Likewise.
7253 2006-04-09 Richard Sandiford <richard@codesourcery.com>
7255 PR rtl-optimization/27073
7256 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
7259 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
7261 * tree.h (tree_memory_tag): Add old_used_alone.
7262 (SMT_OLD_USED_ALONE): New macro.
7263 * tree-ssa-alias.c (recalculate_used_alone): Stop
7264 marking things for renaming unnecessarily.
7266 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
7268 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
7269 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
7270 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
7271 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
7272 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
7273 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
7274 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
7275 spelling convensions.
7276 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
7277 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
7278 typos. Follow spelling conventions.
7280 2006-04-07 DJ Delorie <dj@redhat.com>
7282 * config/m32c/m32c.c (m32c_function_arg): Structures are always
7283 passed on the stack.
7284 (m32c_init_cumulative_args): When a function returns a structure,
7285 always pass the pointer to that return area on the stack.
7286 (m32c_function_arg_advance): Don't increment the parameter number
7287 if we're processing the returned structure pointer.
7288 (pushm_info): Reverse order of registers.
7290 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
7292 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
7293 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7294 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
7295 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
7297 * tree-chrec.c (chrec_fold_multiply_poly_poly,
7298 chrec_fold_multiply): Same.
7299 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
7300 force_expr_to_var_cost): Same.
7301 * tree-mudflap.c (mf_xform_derefs_1): Same.
7302 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
7304 2006-04-07 David Edelsohn <edelsohn@gnu.org>
7306 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
7307 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
7310 2006-04-07 Jan Hubicka <jh@suse.cz>
7312 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
7314 2006-04-07 Richard Guenther <rguenther@suse.de>
7316 PR tree-optimization/26135
7317 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
7318 loads for store copy-prop.
7319 (copy_prop_visit_stmt): Likewise.
7321 2006-04-05 Robert Millan <robertmh@gnu.org>
7323 * config/i386/linux.h: Add a comment to mark macros that are
7324 being overriden in config/k*bsd-gnu.h.
7325 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
7327 * config/knetbsd-gnu.h: Ditto.
7329 2006-04-06 Jan Hubicka <jh@suse.cz>
7333 * coverage.c (coverage_checksum_string): Reorganize loop to not read
7336 2006-04-06 Mike Stump <mrs@apple.com>
7338 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
7339 for HAVE_nonlocal_goto to be consistent.
7340 (expand_builtin_nonlocal_goto): Likewise.
7341 (expand_builtin_strcmp): Use #ifdef instead of #if
7342 for HAVE_cmpstrnsi to be consistent.
7344 2006-04-05 DJ Delorie <dj@redhat.com>
7346 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
7349 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
7351 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
7352 got-relative addressing for anything but SImode.
7354 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
7355 even if the calling function doesn't modify them.
7357 2006-04-05 Richard Guenther <rguenther@suse.de>
7359 PR tree-optimization/26919
7360 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
7361 to cgraph_estimate_size_after_inlining.
7363 2006-04-05 Alan Modra <amodra@bigpond.net.au>
7365 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
7367 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
7369 PR tree-optimization/26996
7370 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
7371 VECTOR_TYPE variables.
7373 2006-04-05 Richard Guenther <rguenther@suse.de>
7375 PR tree-optimization/26763
7376 * fold-const.c (fold_comparison): Move folding of
7377 PTR + CST CMP PTR + CST ...
7378 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
7380 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
7382 * doc/install.texi (Prerequisites): Refine some wording on
7383 bootstrapping and ksh.
7384 Move the version numbers of DejaGnu here from the testing section
7385 and fix casing of names.
7386 Fix markup and clarify wording for autogen requirements.
7387 Refer to GCJ instead of just java.
7388 Refer to SVN instead of CVS.
7389 Describe diffutils as useful instead of necessary.
7390 (Downloading the source): Refer to SVN instead of CVS.
7391 Adjust a link to our web site accordingly.
7392 (Configuration): Fix casing of Bison.
7393 (Building): Refer to SVN instead of CVS.
7394 Fix a sentence on the use of Bison and remove duplicate (and
7395 incorrect) version number of Bison requirement.
7396 Remove one redundant list of packages needed for building.
7397 (Specific): Avoid reference to CVS.
7399 2006-04-04 Eric Christopher <echristo@apple.com>
7401 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
7402 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
7403 (rs6000_handle_struct_attribute): New.
7404 (rs6000_ms_bitfield_layout_p): Ditto.
7406 2006-04-04 Geoffrey Keating <geoffk@apple.com>
7408 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
7409 NULL for dso parameter to atexit_common.
7411 2006-04-04 Eric Christopher <echristo@apple.com>
7413 * config/i386/i386.c (machopic_output_stub): Output \t
7414 between instructions and operands.
7416 2006-04-04 David Edelsohn <edelsohn@gnu.org>
7418 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
7419 satisfies_constraint_[IL] to explicit tests on value.
7421 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
7423 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7424 set_nb_iterations_in_loop): Use build_int_cst instead of
7426 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
7427 build_int_cst instead of convert.
7429 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
7431 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
7432 new value 2 for incoming.
7433 * function.c (expand_function_start): Call struct_value_rtx
7435 * config/sparc/sparc.md: Comment updated_return.
7436 * config/sparc/sparc.opt: Add -mstd-struct-return option.
7437 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
7438 struct return if sparc_std_struct_return and incoming is 2.
7439 (print_operand): Do not adjust return if
7440 sparc_std_struct_return.
7442 2006-04-04 Roger Sayle <roger@eyesopen.com>
7444 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
7445 convert in the middle-end.
7446 * expr.c (store_expr, store_constructor, get_inner_reference,
7447 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
7449 * tree.c (build_range_type): Likewise.
7451 2006-04-04 Tom Tromey <tromey@redhat.com>
7453 * doc/install.texi (Prerequisites): Mention jar.
7455 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
7457 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
7460 2006-04-04 Matthias Klose <doko@debian.org>
7462 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
7466 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
7469 2006-04-03 Geoffrey Keating <geoffk@apple.com>
7471 * doc/extend.texi (Function Attributes): Rewrite visibility
7472 attribute documentation.
7473 * doc/invoke.texi (C++ Dialect Options): Rewrite
7474 -fvisibility-inlines-hidden documentation to describe something
7475 entirely different, although in practise compatible.
7476 (Code Gen Options): Warn about system headers in -fvisibility=
7479 * doc/extend.texi (Other Builtins): Document that
7480 __builtin_nan is a compile-time constant only when its argument
7483 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
7485 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
7486 trying to remove TRUNCATE check if all bits outside the new mode
7487 are identical to the sign bit.
7489 2006-04-03 Jeff Law <law@redhat.com>
7491 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
7492 and operand scanning in some common cases.
7494 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7495 Dale Johannesen <dalej@apple.com>
7498 * regclass.c (struct reg_pref): Update documentation.
7499 (regclass): Set prefclass to NO_REGS if memory is the best option.
7500 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7501 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
7502 into account. For non-registers, equate an empty preferred
7503 reload class to a `!' in the constraint; move the if clause to
7504 do so after those that reject the insn.
7505 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
7507 (find_dummy_reload): Likewise.
7508 * doc/tm.texi (Register Classes): Document what it means
7509 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
7510 * config/i386/i386.c (ix86_preferred_reload_class): Force
7511 using SSE registers (and return NO_REGS for floating-point
7512 constants) if math is done with SSE.
7513 (ix86_preferred_output_reload_class): New.
7514 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
7515 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
7516 * config/i386/i386.md: Remove # register preferences.
7518 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7521 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7522 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
7523 the type of nb_iter.
7524 (instantiate_parameters_1): Convert the operands before calling
7525 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
7526 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
7528 2006-04-02 Roger Sayle <roger@eyesopen.com>
7530 * builtins.c (dummy_object): Use build_int_cst instead of convert.
7531 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
7533 * dojump.c (do_jump): Likewise.
7534 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
7535 * gimplify.c (gimple_boolify, gimplify_init_constructor,
7536 gimplify_boolean_expr): Likewise.
7537 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
7538 * varasm.c (array_size_for_constructor): Likewise.
7539 * tree-object-size.c (compute_object_offset): Likewise.
7541 2006-04-02 Roger Sayle <roger@eyesopen.com>
7544 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
7545 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
7547 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7549 PR tree-optimization/26939
7550 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
7552 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7554 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
7555 at_stmt. Convert the type of operands before calling
7556 build_polynomial_chrec.
7557 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
7559 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
7560 (instantiate_parameters_1): Convert the type of operands before calling
7561 build_polynomial_chrec.
7562 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
7563 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
7564 reset_evolution_in_loop): Insert asserts to check the types of the
7566 (chrec_type): Moved...
7567 (eq_evolutions_p): Use operand_equal_p.
7568 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
7569 the types of the operands.
7570 (chrec_type): ...here.
7571 * tree-data-ref.c (create_data_ref): Convert the operands before
7572 calling chrec_replace_initial_condition.
7573 (same_access_functions, analyze_subscript_affine_affine,
7574 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
7575 (compute_subscript_distance, analyze_ziv_subscript,
7576 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
7577 analyze_miv_subscript): Convert the operands before calling
7578 chrec_fold_minus or chrec_fold_plus.
7580 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7582 * tree-data-ref.c (compute_all_dependences): Use a pointer to
7583 the dependence_relations vector.
7584 (compute_data_dependences_for_loop): Adjust call to
7585 compute_all_dependences.
7587 2006-04-01 Roger Sayle <roger@eyesopen.com>
7588 Richard Henderson <rth@redhat.com>
7590 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
7591 gimple_boolify on the condition before calling gimplify_expr.
7593 2006-03-31 Bob Wilson <bob.wilson@acm.org>
7595 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
7596 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
7597 the frame size. Update to use the new macros.
7598 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
7599 * config/xtensa/ieee754-df.S: Likewise.
7601 2006-03-31 Richard Henderson <rth@redhat.com>
7603 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
7604 (make_edges): ... here. Control fallthru creation with a local
7605 variable. Do not play with fake edges.
7606 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
7607 (make_goto_expr_edges): Don't play with fake edges. Make for_call
7610 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
7612 * dwarf2.h (DW64_CIE_ID): Define.
7613 * dwarf2out.c (DWARF_CIE_ID): Define.
7614 (output_call_frame_info): Output 0xffffffff before standard 8-byte
7615 length header. Use DWARF_CIE_ID.
7616 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
7617 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
7619 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
7621 * config/sh/linux-atomic.asm: New file.
7622 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
7624 2006-03-31 DJ Delorie <dj@redhat.com>
7626 * config/m32c/cond.md: Set condition flags properly throughout.
7627 * config/m32c/minmax.md: Likewise.
7628 * config/m32c/prologue.md: Likewise.
7629 * config/m32c/bitops.md: Likewise.
7630 * config/m32c/muldiv.md: Likewise.
7631 * config/m32c/mov.md: Likewise.
7632 * config/m32c/addsub.md: Likewise.
7633 * config/m32c/m32c.md: Likewise.
7634 * config/m32c/jump.md: Likewise.
7635 * config/m32c/shift.md: Likewise.
7637 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
7638 conditionally output the pattern for this.
7639 * config/m32c/m32c.c (flags_needed_for_conditional): New.
7640 (m32c_compare_redundant): New.
7641 (m32c_output_compare): New.
7642 * config/m32c/m32c-protos.h (m32c_output_compare): New.
7644 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
7645 dest, not src. Allow other 4-byte modes.
7647 2006-03-30 Denis Chertykov <denisc@overta.ru>
7649 * doc/md.texi: Refer to avr/constraints.md instead of
7652 2006-03-30 Roger Sayle <roger@eyesopen.com>
7654 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
7655 signed vs. unsigned comparison failures on some hosts.
7657 2006-03-31 Alan Modra <amodra@bigpond.net.au>
7660 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
7661 change to FLOAT_REGS.
7663 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
7664 (rs6000_override_options): Use it.
7665 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
7666 only for -mabi=spe/no-spe and -mabi=altivec.
7668 2006-03-30 Geoffrey Keating <geoffk@apple.com>
7670 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
7673 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
7675 * Makefile.in: Rename docdir to gcc_docdir.
7677 2006-03-30 Roger Sayle <roger@eyesopen.com>
7680 * expr.c (emit_group_store): Optimize group stores into a pseudo
7681 register by using a paradoxical subreg to initialize the destination
7682 if the first or last member of the group specifies a "low part".
7684 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7687 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
7688 * target.h (struct gcc_target.speculate_insn): Change type of the
7689 second parameter to 'int'.
7690 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
7691 the second operand of the DEPS_LIST.
7692 (copy_DEPS_LIST_list): Update reference to the second operand of the
7694 * rtl.h (alloc_DEPS_LIST): Update signature.
7695 * sched-int.h (ds_t): Change typedef to 'int'.
7696 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7698 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7700 * haifa-sched.c (try_ready): Change condition to restore
7701 non-speculative pattern of the instruction.
7702 (process_insn_depend_be_in_spec): Code to keep probability of the
7703 speculative dependence non-decreasing.
7705 2006-03-30 Jie Zhang <jie.zhang@analog.com>
7707 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
7708 (single_move_for_movmem): ... this. Also change all uses.
7709 (bfin_expand_strmov): Renamed to...
7710 (bfin_expand_movmem): ... this. Also change all uses.
7711 * config/bfin/bfin.md (movstrsi): Renamed to...
7712 (movstrsi): ...this.
7714 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
7716 PR tree-optimization/26830
7718 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
7719 (copy_prop_visit_stmt): Remove write-only variable ann.
7720 (init_copy_prop): Check variable loop depth here. Do not simulate
7721 memory-tag and virtual operand PHIs except for store copy prop.
7723 2006-03-30 Richard Guenther <rguenther@suse.de>
7725 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
7726 variants with double arguments.
7728 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7730 * genpreds.c (write_tm_constrs_h): Delete variable p.
7731 * genconditions.c (write_header): Add tm-constrs.h to included
7733 * genpeep.c (main): Add toplev.h to included headers.
7734 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
7735 (build/genpeep.o): Add toplev.h dependency.
7736 * config/rs6000/constraints.md: Add "W" constraint.
7738 2006-03-29 Roger Sayle <roger@eyesopen.com>
7740 * stor-layout.c (mode_for_size_tree): Remove restiction on type
7741 sizes by correctly testing whether the size fits a host integer.
7742 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
7743 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
7744 SImode range for the default sizetype and bitsizetype.
7746 2006-03-29 Roger Sayle <roger@eyesopen.com>
7748 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
7749 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
7750 quickly if the argument is already of the correct type.
7751 Call fold_build1 instead of build1. Tidy up blank lines.
7753 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7755 * genemit.c (main): Add tm-constrs.h to included headers.
7756 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
7757 * genpeep.c (main): Add tm-constrs.h to included headers.
7758 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
7759 (write_tm_constrs_h): this and write complete file.
7760 (write_tm_preds_h): Do not emit satisfies_constraint fns.
7761 (write_insn_preds_c): Add tm-constrs.h to included headers.
7762 (gen_constrs): New variable.
7763 (parse_option): Parse "-c".
7764 (main): Invoke write_tm_constrs_h.
7765 * genrecog.c (write_header): Add tm-constrs.h to included headers.
7766 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
7767 (object_out_file): Add tm-constrs.h dependency.
7768 (insn-emit.o): Same.
7769 (insn-output.o): Same.
7770 (insn-peep.o): Same.
7771 (insn-preds.o): Same.
7772 (insn-recog.o): Same.
7773 (tm-constsr.h): New target.
7774 (s-constrs-h): New target.
7776 * config/rs6000/constraints.md: New file.
7777 * config/rs6000/rs6000.c: Include tm-constrs.h.
7778 (num_insn_constant_wide): Convert to satisfies_constraint.
7779 (rs6000_rtx_costs): Convert to satisfies_constraint.
7780 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
7781 (CONST_OK_FOR_LETTER_P): Delete.
7782 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7783 (EXTRA_CONSTRAINT): Delete.
7784 (EXTRA_MEMORY_CONSTRAINT): Delete.
7785 (EXTRA_ADDRESS_CONSTRAINT): Delete.
7786 * config/rs6000/predicates.md: Convert to satisfies_constraint.
7787 * config/rs6000/rs6000.md: Include constraints.md. Convert to
7788 satisfies_constraint.
7790 * config/i386/i386.c: Include tm-constrs.h.
7792 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
7794 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
7795 * tree-data-ref.c (find_data_references_in_loop,
7796 compute_data_dependences_for_loop): Use pointers to VEC.
7797 (analyze_all_data_dependences): Adjust calls.
7798 * tree-data-ref.h (find_data_references_in_loop,
7799 compute_data_dependences_for_loop): Adjust declarations.
7800 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
7801 compute_data_dependences_for_loop.
7803 2006-03-29 Paul Brook <paul@codesourcery.com>
7805 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
7808 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
7810 PR tree-optimization/26859
7811 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
7813 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
7814 for the step after fold_convert.
7816 2006-03-29 Paul Brook <paul@codesourcery.com>
7818 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
7819 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
7821 2006-03-29 Paul Brook <paul@codesourcery.com>
7824 * targhooks.c (default_narrow_bitfield): New fuction.
7825 * targhooks.h (default_narrow_bitfield): add prototype.
7826 * target.h (gcc_target): Add narrow_volatile_bitfield.
7827 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7828 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
7829 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
7830 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7832 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
7834 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
7836 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
7837 (NR_C_MODES): Add TDmode, DDmode and SDmode.
7838 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
7839 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
7840 (s390_function_arg_float): Allow SDmode and DDmode values to be
7841 passed in floating point registers.
7842 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
7843 check with SCALAR_FLOAT_MODE_P.
7844 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
7846 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7848 PR tree-optimization/25985
7849 * tree-ssa-loop-niter.c (number_of_iterations_le,
7850 number_of_iterations_ne): Make comments more precise.
7851 (number_of_iterations_cond): Add only_exit argument. Use the
7852 fact that signed variables do not overflow only when only_exit
7854 (loop_only_exit_p): New.
7855 (number_of_iterations_exit): Pass result of loop_only_exit_p to
7856 number_of_iterations_cond.
7858 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7860 PR tree-optimization/26643
7861 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
7864 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
7866 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
7867 (divsi3_i4_int): Likewise.
7869 2006-03-28 Roger Sayle <roger@eyesopen.com>
7871 * expr.c (emit_group_store): Only create a new pseudo reg if the
7872 quantity it needs to hold isn't already a suitable pseudo.
7874 2006-03-28 Jeff Law <law@redhat.com>
7876 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
7877 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
7879 2006-03-28 Roger Sayle <roger@eyesopen.com>
7881 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
7882 the equivalent ~X & Y, and the symmetry related transformations.
7883 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
7884 ~X & Y, and symmetry related transforms.
7886 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7888 Revert my 2006-03-27 patches.
7890 2006-03-28 Roger Sayle <roger@eyesopen.com>
7892 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
7893 ~(T1)X, when T1 and T2 are integer types of the same precision
7894 and (T2)X isn't an extension.
7896 2006-03-28 Jeff Law <law@redhat.com>
7898 PR tree-optimization/26796
7899 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
7900 need EH edge cleanups rather than purging them immediately.
7901 (eliminate_degenerate_phis): Handle queued EH cleanups.
7903 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
7905 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
7908 2006-03-27 Roger Sayle <roger@eyesopen.com>
7911 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
7912 cast BIT_NOT_EXPR operand to the correct type.
7914 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
7916 * tree-loop-linear.c: Don't include varray.h.
7917 (gather_interchange_stats, try_interchange_loops,
7918 linear_transform_loops): Use VEC instead of VARRAY.
7919 * lambda-mat.c: Don't include varray.h.
7920 * tree-chrec.c: Same.
7921 * lambda-trans.c: Same.
7922 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
7923 VEC instead of VARRAY.
7924 * tree-vectorizer.h: Idem.
7925 * tree-data-ref.c (dump_data_references,
7926 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
7927 initialize_data_dependence_relation, finalize_ddr_dependent,
7928 compute_all_dependences, find_data_references_in_loop,
7929 compute_data_dependences_for_loop, analyze_all_data_dependences,
7930 free_dependence_relation, free_dependence_relations,
7931 free_data_refs): Idem.
7932 * tree-data-ref.h (data_reference_p, subscript_p): New.
7933 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
7934 VEC instead of VARRAY.
7935 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
7936 (find_data_references_in_loop, compute_data_dependences_for_loop,
7937 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
7938 dump_data_dependence_relations, free_dependence_relations,
7939 free_data_refs): Adjust declaration.
7940 (lambda_transform_legal_p): Move declaration here...
7941 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
7942 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
7943 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
7944 vect_analyze_data_refs): Use VEC instead of VARRAY.
7945 * lambda.h (lambda_transform_legal_p): ...from here.
7946 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
7947 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
7948 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
7949 tree-chrec.o): Don't depend on VARRAY_H.
7951 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7953 * rtl.def (Copyright): Update date.
7954 (DEPS_LIST): Change type of the second operand to 'int'.
7955 * target.h (Copyright): Update date.
7956 (struct gcc_target.speculate_insn): Change type of the second parameter
7958 * lists.c (Copyright): Update date.
7959 (alloc_DEPS_LIST): Change signature. Update reference to the second
7960 operand of the DEPS_LIST.
7961 (copy_DEPS_LIST_list): Update reference to the second operand of the
7963 * rtl.h (Copyright): Update date.
7964 (alloc_DEPS_LIST): Update signature.
7965 * sched-int.h (Copyright): Update date.
7966 (ds_t): Change typedef to 'int'.
7967 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7969 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7971 * haifa-sched.c (Copyright): Update date.
7972 (try_ready): Change condition to restore non-speculative pattern
7974 (process_insn_depend_be_in_spec): Code to keep probability of the
7975 speculative dependence non-decreasing.
7977 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
7979 * regrename.c (replace_oldest_value_addr): Initialize a variable to
7980 shut up the compiler.
7982 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
7984 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
7985 to use lib prefix for target.
7986 ($(T)libic_invalidate_array_4-200.a): Likewise.
7987 ($(T)libic_invalidate_array_4a.a): Likewise.
7989 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
7990 J"orn Rennecke <joern.rennecke@st.com>
7992 * superh.opt: New file.
7993 * sh.c (boardtype, osruntime): Remove.
7994 * superh.h (SUBTARGET_OPTIONS): Remove.
7995 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
7997 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
7998 arguments with ^ and/or [].
8000 * config.gcc (sh-*-*): Add quoting to account for quirk of
8002 Replace == with = in enable_incomplete_targets test.
8004 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8005 with MASK_LITTLE_ENDIAN.
8007 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8008 * config/sh/sh.opt: Added to some comments.
8009 * config/sh/superh.h: Removed some chaff.
8011 * config/sh/sh.opt: Add m4-[1234]00* options.
8012 * config/sh/sh.c (sh_handle_option): Likewise.
8013 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8014 (ic_invalidate_array_4-100.o): New rule.
8015 ($(T)libic_invalidate_array_4-100.a): Likewise.
8016 (ic_invalidate_array_4-200.o): Likewise.
8017 ($(T)libic_invalidate_array_4-200.a): Likewise.
8018 (ic_invalidate_array_4a.o): Likewise.
8019 ($(T)libic_invalidate_array_4a.a): Likewise.
8020 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8021 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8023 * config/sh/crt1.asm: Merged in profiling code.
8024 * config/sh/superh.h (STARTFILE_SPEC): Override.
8025 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8026 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8027 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8029 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8030 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8031 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8033 * sh.opt (mpretend-cmove): New option.
8034 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8035 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8036 (movsicc): Add TARGET_PRETEND_CMOVE code.
8038 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8040 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8041 s390_class_max_nregs): New function prototypes.
8042 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8043 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8044 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8045 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8047 2006-03-26 Geoffrey Keating <geoffk@apple.com>
8049 * dwarf2out.c (add_location_or_const_value_attribute): Call
8050 tree_add_const_value_attribute if nothing else works.
8051 (reference_to_unused): New.
8052 (rtl_for_decl_init): Use reference_to_unused to decide whether
8053 to output an initializer.
8055 2006-03-27 Alan Modra <amodra@bigpond.net.au>
8058 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
8059 peephole removing spe frob_di_df_2.
8061 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
8063 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
8064 (subscript_dependence_tester_1): Declared.
8065 (print_dir_vectors, print_dist_vectors): New.
8066 (debug_data_dependence_relation): New.
8067 (dump_data_dependence_relation): Print more details.
8068 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
8069 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
8070 (save_dist_v, save_dir_v, add_outer_distances,
8071 build_classic_dist_vector_1): New.
8072 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
8073 Don't test for lambda_vector_lexico_pos.
8074 (same_access_functions, add_multivariate_self_dist,
8075 add_other_self_distances, dir_from_dist): New.
8076 (build_classic_dir_vector): Replace implementation almost identical to
8077 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8079 (subscript_dependence_tester_1): New.
8080 (subscript_dependence_tester): Handle the lexicographically negative
8081 distance vectors by recomputing the dependence relation.
8082 (compute_affine_dependence): Remove parameter loop_nest_depth.
8083 (compute_self_dependence): Don't call compute_subscript_distance.
8084 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8085 Add a parameter for the loop_nest.
8086 (find_loop_nest_1, find_loop_nest): New.
8087 (compute_data_dependences_for_loop): Compute the loop nest, and give
8088 up if the nest is not well formed.
8089 * tree-data-ref.h (loop_p): New.
8090 (struct data_dependence_relation): Replace size_vect field with
8091 loop_nest, a vec of loops.
8092 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8093 (DDR_LOOP_NEST): New.
8094 (print_dir_vectors, print_dist_vectors,
8095 debug_data_dependence_relation): Declared.
8096 (index_in_loop_nest): New.
8097 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8098 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8101 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8103 * simplify-rtx.c (simplify_relational_operation): Call
8104 simplify_relational_operation_1 even if mode is VOIDmode.
8106 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8108 PR tree-optimization/26804
8109 * tree.h (DECL_CALL_CLOBBERED): New macro.
8110 (tree_decl_common): Add call_clobbered_flag.
8111 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8112 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8113 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8114 (mark_non_addressable): Ditto.
8115 * tree-ssa.c (verify_call_clobbered): New function.
8116 (verify_alias_info): Use it.
8117 * tree-pass.h (pass_reset_cc_flags): New prototype.
8118 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8119 (reset_cc_flags): New function.
8120 * passes.c (init_optimization_passes): Call reset_cc_flags after
8121 initializing referenced_vars.
8123 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8124 Roger Sayle <roger@eyesopen.com>
8127 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8128 to 1.0 for non-real operands. Implement A / A optimization for
8131 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
8133 * config/i386/i386.c (size_cost): Correct the comment for
8134 cost of storing fp registers.
8135 (i386_cost): Likewise.
8136 (i486_cost): Likewise.
8137 (pentium_cost): Likewise.
8138 (pentiumpro_cost): Likewise.
8139 (k6_cost): Likewise.
8140 (athlon_cost): Likewise.
8141 (k8_cost): Likewise.
8142 (pentium4_cost): Likewise.
8143 (nocona_cost): Likewise.
8144 (generic64_cost): Likewise.
8145 (generic32_cost): Likewise.
8147 2006-03-24 Denis Chertykov <denisc@overta.ru>
8149 * config/avr/avr-protos.h (extra_constraint): Delete.
8150 (extra_constraint_Q): New declaration.
8151 * config/avr/constraints.md: New file.
8152 * config/avr/avr.md: Include it.
8153 (REG_X, REG_Y, REG_Z, REG_W): New constants.
8154 (TMP_REGNO, ZERO_REGNO): Likewise.
8155 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
8156 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
8157 (extra_constraint): Delete.
8158 (extra_constraint_Q): Test for memory constraint 'Q'.
8159 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
8160 (REG_CLASS_FROM_LETTER): Delete.
8161 (CONST_OK_FOR_LETTER_P): Delete.
8162 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8163 (EXTRA_CONSTRAINT): Delete.
8164 (TMP_REGNO): Delete.
8165 (ZERO_REGNO): Delete.
8167 2006-03-24 Jeff Law <law@redhat.com>
8169 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
8170 directly. Call mark_new_vars_to_rename slightly earlier.
8172 2006-03-24 Geoffrey Keating <geoffk@apple.com>
8174 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
8176 (gen_compile_unit_die): Use new language types for Objective-C and
8178 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
8179 DW_LANG_C_plus_plus.
8182 * config/t-darwin (crt3.o): Work around bug 26840.
8183 * config/darwin-crt3.c: Rewrite.
8184 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
8186 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
8188 * doc/invoke.texi: Document -femit-class-debug-always
8189 * common.opt: Add -femit-class-debug-always.
8191 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
8193 * config/s390/s390.c (s390_decompose_address): Allow SImode for
8194 index and base register.
8195 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
8196 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
8197 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
8198 REGNO_OK_FOR_INDEX_P.
8199 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
8201 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
8202 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
8203 REG_OK_FOR_BASE_P): Definitions removed.
8205 2006-03-24 Jakub Jelinek <jakub@redhat.com>
8208 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
8209 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
8210 set yet or weren't marked as local yet.
8212 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
8214 * regrename.c (scan_rtx_address): Initialize a variable to shut up
8217 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
8219 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
8220 (rs6000_legitimate_small_data_p): Delete.
8221 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
8222 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
8223 and make static. Add forward declaration. Update uses.
8224 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
8225 of offsettable_memref_p.
8226 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
8227 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
8229 2006-03-24 Jeff Law <law@redhat.com>
8231 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
8232 around bug in immediate-use iterator.
8234 2006-03-24 Alan Modra <amodra@bigpond.net.au>
8237 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
8238 or __LITTLE_ENDIAN__.
8240 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
8242 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
8243 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
8244 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
8245 * config/sh/sh.opt (mdiv=): Amend description.
8246 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
8247 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
8248 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
8249 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
8250 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
8251 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
8252 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
8253 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
8254 TARGET_DIVIDE_CALL_FP.
8256 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8258 * haifa-sched.c (choose_ready): Fix type of the local variable.
8259 Move local variables. Add comment.
8260 (check_reg_live): Change signature. Make callable from debugger.
8261 * sched-int.h (check_reg_live): Update signature.
8262 * sched-ebb.c (check_reg_live): Update parameters.
8263 * sched-rgn.c (check_reg_live): Ditto.
8264 (region_head_or_leaf_p): Check pointer before dereferencing.
8265 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
8266 before reload on optimization levels below 1.
8268 2006-03-23 Richard Henderson <rth@redhat.com>
8270 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
8274 * config/alpha/predicates.md (local_symbolic_operand): Reject
8277 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
8280 * tree-ssa-pre.c (create_value_expr_from): Don't reject
8281 expressions which have overflowed constants.
8283 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8285 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
8287 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8289 * cfgloopmanip.c (create_loop_notes): Removed.
8290 * final.c (final_scan_insn): Do not handle loop notes.
8291 * jump.c (squeeze_notes): Ditto.
8292 * cfglayout.c (skip_insns_after_block,
8293 duplicate_insn_chain): Ditto.
8294 * cfgcleanup.c (rest_of_handle_jump2): Do not call
8296 * cfgloop.h (create_loop_notes): Declaration removed.
8298 2006-03-23 Richard Sandiford <richard@codesourcery.com>
8300 * varasm.c (output_constant_pool): Restore fnname and fndecl
8302 (assemble_start_function): Adjust call accordingly.
8303 (assemble_end_function): Likewise.
8305 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8308 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
8311 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
8313 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8316 * system.h (ICE_EXIT_CODE): New macro.
8317 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
8318 (diagnostic_action_after_output): Likewise.
8319 * gcc.c (fatal_ice): New function.
8320 (execute): Use it instead of fatal.
8321 (fancy_abort): Likewise.
8322 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
8324 2006-03-22 Jeff Law <law@redhat.com>
8326 * loop-unroll.c (analyze_iv_to_split_insn): Handle
8327 iv_analyze_result returning false.
8329 2006-03-22 Jie Zhang <jie.zhang@analog.com>
8331 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
8333 2006-03-22 Richard Henderson <rth@redhat.com>
8336 * except.c (duplicate_eh_regions_0): New.
8337 (duplicate_eh_region_1): Duplicate the children of the node as
8338 well as the node itself. Link them up properly.
8339 (duplicate_eh_region_2): Merge into ...
8340 (duplicate_eh_regions): ... here. Take copy_region argument, and
8341 copy only a sub-tree if asked. Simplify copying and fixup.
8342 (eh_region_outer_p): New.
8343 * except.h (duplicate_eh_regions): Update decl.
8344 (eh_region_outer_p): Declare.
8345 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
8346 (lower_omp_master): Likewise.
8347 (lower_omp_ordered): Likewise.
8348 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
8349 (move_stmt_r): Use it to remap labels. Handle recursion vs
8350 remap_decls_p properly.
8351 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
8352 (find_outermost_region_in_block): New.
8353 (new_label_mapper): New.
8354 (move_sese_region_to_fn): Copy eh information to the new function
8356 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
8358 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
8361 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8363 * doc/md.texi (-mshared): Mention that -mshared code can be linked
8364 into shared libraries.
8366 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8368 * doc/md.texi: Refer to i386/constraints.md instead of
8370 * config/i386/constraints.md: New file, extracted from...
8371 * config/i386/predicates.md: ...here.
8372 * config/i386/i386.md: Include constraints.md.
8374 2006-03-21 Jason Merrill <jason@redhat.com>
8376 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
8379 * expr.c (init_block_move_fn): Force default visibility.
8380 (init_block_clear_fn): Likewise.
8381 * builtins.c (expand_builtin_fork_or_exec): Likewise.
8382 * targhooks.c (default_external_stack_protect_fail): Likewise.
8384 2006-03-21 Richard Sandiford <richard@codesourcery.com>
8386 * config/mips/predicates.md (const_call_insn_operand): Allow direct
8387 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
8388 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
8389 Use TARGET_OLDABI instead of !TARGET_NEWABI.
8390 (loadgp): Use mips_current_loadgp_style.
8391 (loadgp_noshared): New pattern.
8392 (sibcall_internal): Use MIPS_CALL.
8393 (sibcall_value_internal): Likewise.
8394 (sibcall_value_multiple_internal): Likewise.
8395 (call_internal): Likewise.
8396 (call_value_internal): Likewise.
8397 (call_value_multiple_internal): Likewise.
8398 (call_split): Use MIPS_CALL and add an 'S' constraint.
8399 (call_value_split): Likewise.
8400 (call_value_multiple_split): Likewise.
8401 * config/mips/mips.opt (-mabicalls): Tweak docstring.
8402 (-mshared): New option.
8403 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
8404 (mips_current_loadgp_style): Declare.
8405 * config/mips/mips.c (mips_classify_symbol): Avoid using
8406 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
8407 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
8408 TARGET_ABSOLUTE_ABICALLS.
8409 (override_options): Adjust comments. Improve the warning that is
8410 issued when -mabicalls and -G are used together.
8411 (mips_file_start): Remove comment.
8412 (mips_current_loadgp_style): New function.
8413 (mips_gnu_local_gp): New variable.
8414 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
8416 (mips_output_function_prologue): Use mips_current_laodgp_style.
8417 (mips_expand_prologue): Call mips_emit_loadgp before emitting
8418 the cprestore instruction.
8419 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
8420 live for TARGET_ABSOLUTE_ABICALLS.
8421 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
8422 (ASM_SPEC): Pass down -mshared and -mno-shared.
8423 (MIPS_CALL): New macro.
8424 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
8426 * doc/invoke.texi (-mabicalls): Update documentation.
8427 (-mshared): Document.
8429 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8431 * config/ia64/unwind-hpux.c: New file.
8432 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
8434 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8437 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
8439 2006-03-21 Jeff Law <law@redhat.com>
8441 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
8442 type conversions of a VR_VARYING source to a wider type.
8444 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
8446 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
8447 tm_file on Solaris 10 and later.
8448 (sparc64-*-solaris2*): Likewise.
8449 (sparc-*-solaris2*): Likewise.
8450 * config/sol26.h: Rename to config/sol2-6.h.
8451 * config/sol2-10.h: New file.
8453 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
8456 * tree-ssa-pre.c (create_component_ref_by_pieces):
8459 2006-03-21 Jakub Jelinek <jakub@redhat.com>
8462 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
8463 return it immediately.
8465 2006-03-21 Michael Matz <matz@suse.de>
8467 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
8469 (remove_arc, add_arc): Update num_out_arcs member.
8470 (set_out_arc_insns_equiv_num): Returns nothing instead of number
8472 (cache_presence): New function.
8473 (compare_states_for_equiv): New function.
8474 (state_is_differed): Don't take number of outargs, adjust callers.
8475 Use new invariant for speeding up.
8476 (init_equiv_class): Create initial classes based on sorted
8478 (partition_equiv_class): Don't track out_arcs_num.
8479 (evaluate_equiv_classes): Call cache_presence on all states and
8482 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
8484 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
8485 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
8486 (bfin_valid_reg_p): Test for pseudos explicitly and use only
8487 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
8489 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
8490 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
8491 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
8492 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
8493 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
8495 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
8496 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
8497 (REGNO_REG_CLASS): ARGP is in PREGS.
8498 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
8500 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
8501 to deal with those addresses.
8502 * addresses.h: New file.
8503 * caller-save.c: Include "addresses.h".
8504 (init_caller_save): Use new base_reg_class function.
8505 * rtl-factoring.c: Include "addresses.h".
8506 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
8507 * recog.c: Include "addresses.h".
8508 (preprocess_constraints): Use new base_reg_class function.
8509 * regrename.c: Include "addresses.h".
8510 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
8511 functions. Keep track of a new var INDEX_CODE to compute valid
8513 (replace_oldest_value_addr): Likewise.
8514 (replace_oldest_value_mem): Use base_reg_class.
8515 * reload.c: Include "addresses.h".
8516 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
8517 (find_reloads): Use new base_reg_class function.
8518 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
8519 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
8520 all callers and prototype changed.
8521 * reload1.c: Include "addresses.h".
8522 (maybe_fix_stack_asms): Use base_reg_class.
8523 * regclass.c: Include "addresses.h".
8524 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
8525 (init_reg_autoinc): Use new base_reg_class function.
8526 (record_reg_classes): Likewise.
8527 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
8528 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
8529 Use new args to compute necessary class.
8531 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
8532 regrename.o, rtl-factoring.o): Update dependencies.
8533 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
8534 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
8535 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
8536 REG_OK_FOR_INDEX_P): Delete documentation.
8538 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
8540 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
8541 from V7 to V9 for Solaris 7 and above.
8543 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
8545 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
8546 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
8547 argument pointers may not alias any other storage.
8548 * common.opt: Define option -fargument-noalias-anything.
8549 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
8550 alias semantics is specified by flag_argument_noalias > 2.
8552 2006-03-20 Jeff Law <law@redhat.com>
8554 * tree-pass.h (pass_phi_only_copy_prop): Delete.
8555 (pass_phi_only_cprop): Declare.
8556 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
8558 * tree-ssa-dom.c (degenerate_phi_result): New function.
8559 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
8560 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
8561 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
8562 (eliminate_degenerate_phis): Likewise.
8563 (pass_phi_only_cprop): New pass descriptor.
8564 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
8565 support code. Callers updated.
8566 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
8567 (store_copy_prop): Likewise.
8568 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
8570 2006-03-20 Jason Merrill <jason@redhat.com>
8573 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
8574 (push_visibility, pop_visibility): Likewise.
8575 * c-pragma.h: Declare them.
8577 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
8579 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
8581 * config/sh/sh.c (find_regmode_weight): Change the type of the first
8582 parameter and use get_ebb_head_tail.
8583 (sh_md_init_global): Adjust uses of find_regmode_weight.
8585 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
8587 * function.h (struct function) <x_tail_recursion_reentry>:
8588 Rename to x_stack_check_probe_note.
8589 (tail_recursion_reentry): Rename to stack_check_probe_note.
8590 * function.c: Replace tail_recursion_reentry with
8591 stack_check_probe_note everywhere.
8592 (expand_function_start): Only emit a note for
8593 stack_check_probe_note with -fstack-protect.
8594 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
8596 * emit-rtl.c (remove_unnecessary_notes): Remove.
8597 (pass_remove_unnecessary_notes): Remove.
8598 * rtl.h (remove_unnecessary_notes): Remove prototype.
8599 * final.c (final_start_function): Don't call remove_unnecessary_notes.
8600 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
8601 * passes.c (pass_remove_unnecessary_notes): Don't run it.
8603 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
8606 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
8607 (valid_in_set): Handle ARRAY_REF.
8608 Change "if min_variant or VH" to asserts.
8609 (create_component_ref_by_pieces): Handle ARRAY_REF.
8610 (create_expression_by_pieces): Likewise.
8611 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
8613 2006-03-20 David Edelsohn <edelsohn@gnu.org>
8615 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
8616 is operand of switch, not str[0].
8618 2006-03-20 Alan Modra <amodra@bigpond.net.au>
8620 * config/rs6000/rs6000.c (rs6000_handle_option): Use
8621 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
8623 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8625 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
8626 end of insn_extra_address_constraint declaration.
8628 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8630 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
8631 (no-sum-in-toc): Same.
8632 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
8634 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
8635 NO_FP_IN_TOC for -fPIC instead of mask.
8637 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
8638 (BOOT_LDFLAGS): Delete.
8640 * config/rs6000/t-aix52: Same.
8642 * config/rs6000/rs6000.md (store_multiple_power): Delete.
8643 (stmsi[345678]_power): New.
8645 2006-03-17 Steve Ellcey <sje@cup.hp.com>
8647 * config/ia64/ia64.opt: Add empty line to end of file.
8649 2006-03-17 Richard Guenther <rguenther@suse.de>
8652 * builtins.c (get_pointer_alignment): For component style references
8653 adjust alignment to the component type alignment. Make sure
8654 to adjust alignment for component access of constants.
8656 2006-03-17 David Edelsohn <edelsohn@gnu.org>
8658 * config/rs6000/rs6000.md (strlensi): Emit barrier after
8661 2006-03-17 Paul Brook <paul@codesourcery.com>
8663 * doc/install.texi: Docuemnt --with-mode.
8664 * config.gcc: Add --with-mode for arm*-*-*.
8665 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
8667 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
8669 * sh.c (max_labelno_before_reorg): New variable.
8670 (sh_reorg): Initialize it.
8671 (find_barrier): Check max_labelno_before_reorg before using
8672 label_to_alignment. Take length of explicit alignment insns
8673 into account. When seeing a UNSPECV_CONST_END, return it.
8675 * sh.c (fixup_mova): Set mode of affected label to QImode.
8676 (untangle_mova): New function.
8677 (find_barrier): Use it. Check mode of label before decrementing
8679 (sh_reorg): Likewise.
8680 Set mode of all insns back to VOIDmode.
8682 * sh.c (MOVA_LABELREF): New macro.
8683 (mova_p, fixup_mova, sh_reorg): Use it.
8684 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
8685 ADDR_DIFF_VEC matches mova.
8687 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
8689 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
8690 with ATTRIBUTE_UNUSED.
8692 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8694 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8695 pointer, instead of assuming it is possible to derive the
8696 correct args size from a call insn.
8698 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8700 * rtl.h (CONST_INT_P): Define.
8701 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
8702 instead of GET_CODE(x) == CONST_INT.
8703 (vax_rtx_costs): Likewise.
8704 (vax_output_int_move): Likewise.
8705 (vax_output_int_add): Likewise.
8706 (legitimate_constant_address_p): Likewise.
8707 (index_term_p): Likewise.
8708 * config/vax/vax.h (PRINT_OPERAND): Likewise.
8709 * config/vax/vax.md (and<mode>3): Likewise.
8710 (ashrsi3): Likewise.
8712 (movstricthi): Likewise.
8713 (movstrictqi): Likewise.
8714 (rotrsi3): Likewise.
8715 (five unnamed insns): Likewise.
8717 2006-03-16 Geoffrey Keating <geoffk@apple.com>
8719 * doc/tm.texi (SDB and DWARF): Add extra parameter to
8720 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
8721 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
8722 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
8723 Pass to ASM_OUTPUT_DWARF_OFFSET.
8724 * dwarf2out.c (debug_frame_section): New.
8725 (output_call_frame_info): Use debug_frame_section. Pass it to
8726 dw2_asm_output_offset.
8727 (output_die): Pass appropriate section to dw2_asm_output_offset.
8728 (output_compilation_unit_header): Likewise.
8729 (output_pubnames): Likewise.
8730 (output_aranges): Likewise.
8731 (enum dw_val_class): Break dw_val_class_lbl_offset into
8732 dw_val_class_lineptr and dw_val_class_macptr.
8733 (add_AT_lbl_offset): Delete.
8734 (add_AT_lineptr): New.
8735 (add_AT_macptr): New.
8736 (AT_lbl): Expect a lineptr or macptr.
8737 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
8738 (attr_checksum): Likewise.
8739 (same_dw_val_p): Likewise.
8740 (size_of_die): Likewise.
8741 (value_format): Likewise.
8742 (output_die): Likewise.
8743 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
8745 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8746 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
8747 * config/darwin-protos.h (darwin_file_start): New.
8748 (darwin_asm_output_dwarf_offset): New.
8749 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8750 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
8752 * config/darwin.c (darwin_emit_unwind_label): Don't output label
8753 if not EH section; simplify.
8754 (darwin_file_start): New.
8755 (darwin_asm_output_dwarf_offset): New.
8756 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
8758 (DEBUG_INFO_SECTION): Likewise.
8759 (DEBUG_ABBREV_SECTION): Likewise.
8760 (DEBUG_ARANGES_SECTION): Likewise.
8761 (DEBUG_MACINFO_SECTION): Likewise.
8762 (DEBUG_LINE_SECTION): Likewise.
8763 (DEBUG_LOC_SECTION): Likewise.
8764 (DEBUG_PUBNAMES_SECTION): Likewise.
8765 (DEBUG_STR_SECTION): Likewise.
8766 (DEBUG_RANGES_SECTION): Likewise.
8767 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
8768 (ASM_OUTPUT_DWARF_OFFSET): New.
8770 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
8772 * config.gcc (tm_defines): Always add to previous value rather
8775 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8777 * config/mips/predicates.md (splittable_const_int_operand): New,
8778 split from move_operand.
8779 (splittable_symbolic_operand): New.
8780 (move_operand): Add commentary. Use splittable_const_int_operand.
8781 Inline mips_atomic_symbolic_constant_p.
8782 * config/mips/mips.md: Add combine splitters for handling moves
8783 of splittable_const_int_operands and splittable_symbolic_operands.
8784 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
8785 (mips_split_symbol): Declare.
8786 (mips_move_integer): Declare.
8787 * config/mips/mips.c (mips_split_p): Make global.
8788 (TARGET_MIN_ANCHOR_OFFSET): Override default.
8789 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8790 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8791 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
8792 (mips_offset_within_object_p): Handle block symbols.
8793 (mips_atomic_symbolic_constant_p): Delete.
8794 (mips_cannot_force_const_mem): Return false for constants that
8795 mips_legitimize_move can handle.
8796 (mips_use_blocks_for_constant_p): New function.
8797 (mips_split_symbol): Make global.
8798 (mips_move_integer): Likewise. Add a temporary register argument.
8799 (mips_legitimize_const_move): Use splittable_const_int_operand and
8800 splittable_symbolic_operand.
8801 (mips_use_anchors_for_symbol_p): New function.
8802 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
8803 (mips_split_p): Declare.
8805 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8807 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
8808 (mips*-*-linux*): Likewise.
8810 2006-03-16 Roger Sayle <roger@eyesopen.com>
8811 Daniel Speyer <dspeyer@wam.umd.edu>
8814 * tree-dump.c (dump_real): New function.
8815 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
8816 * Makefile.in (REAL_H): New macro for dependencies on real.h.
8817 (tree-dump.o): Add $(REAL_H) to the dependencies.
8819 2006-03-16 Roger Sayle <roger@eyesopen.com>
8822 * real.c (real_from_string): If the mantissa is zero, don't bother
8823 parsing the exponent as the result should always be zero.
8825 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
8827 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
8829 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8831 * config/ia64/ia64.c (stops_p): Added explicit initialization.
8832 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
8833 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
8834 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
8835 ia64_sched_finish_global): New static functions to implement
8836 hooks from gcc_target.sched.
8837 (spec_check_no, max_uid, pending_data_specs): New static variables.
8838 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
8839 ia64_spec_check_src_p): New static functions.
8840 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
8841 (TARGET_SCHED_ADJUST_COST): Removed.
8842 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
8843 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
8844 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8845 TARGET_SCHED_GEN_CHECK,
8846 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8847 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
8848 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
8849 Fixed to handle speculation checks.
8850 (rtx_needs_barrier): Fixed to handle speculative loads and
8852 (ia64_variable_issue): Added code to count speculative loads and their
8854 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
8856 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
8858 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
8860 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
8861 (ia64_reorg): Reset stops_p to NULL after it is freed.
8862 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
8863 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
8864 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
8866 (data_speculative, control_speculative, check_load): New attributes.
8867 (mov<mode>_advanced, mov<mode>_speculative,
8868 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
8869 zero_extend<mode>di2_speculative,
8870 zero_extend<mode>di2_speculative_advanced): New patterns for
8871 data and control speculative loads.
8872 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
8874 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
8875 New pattern for data and control speculation checks.
8876 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
8877 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
8878 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
8879 Auxiliary definitions for the patterns.
8880 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
8881 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
8883 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
8885 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
8886 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
8887 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
8888 New resource constraints.
8889 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
8891 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
8892 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
8893 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8894 msched-in-control-spec, msched-ldc, msched-control-ldc,
8895 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8896 msched-prefer-non-control-spec-insns,
8897 msched-count-spec-in-critical-path): New flags to tune speculative
8899 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
8900 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8901 msched-in-control-spec, msched-ldc, msched-control-ldc,
8902 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8903 msched-prefer-non-control-spec-insns,
8904 msched-count-spec-in-critical-path): Document new flags.
8906 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8908 * target.h (struct spec_info_def): New opaque declaration.
8909 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
8910 speculate_insn, needs_block_p, gen_check,
8911 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
8912 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
8913 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
8914 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
8915 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8916 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
8918 (TARGET_SCHED): Use new macros.
8919 * rtl.h (copy_DEPS_LIST_list): New prototype.
8920 * sched-int.h (struct sched_info): Change signature of new_ready field,
8921 adjust all initializations. New fields: add_remove_insn,
8922 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
8923 region_head_or_leaf_p.
8924 (struct spec_info_def): New structure declaration.
8925 (spec_info_t): New typedef.
8926 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
8927 recovery_block, orig_pat.
8928 (glat_start, glat_end): New variables declaraions.
8929 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
8931 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
8932 DETACH_LIFE_INFO, USE_GLAT.
8933 (enum SPEC_SCHED_FLAGS): New enumeration.
8934 (NOTE_NOTE_BB_P): New macro.
8935 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
8936 attach_life_info, debug_spec_status, check_reg_live): New functions.
8937 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
8938 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
8940 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
8941 * ddg.c (get_block_head_tail): Adjust all uses.
8942 * modulo-sched.c (get_block_head_tail): Adjust all uses.
8943 (sms_sched_info): Initialize new fields.
8944 (contributes_to_priority): Removed.
8945 * haifa-sched.c (params.h): New include.
8946 (get_block_head_tail): Adjust all uses.
8947 (ISSUE_POINTS): New macro.
8948 (glat_start, glat_end): New global variables.
8949 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
8950 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
8951 old_last_basic_block, before_recovery, current_sched_info_var,
8952 rgn_n_insns, luid): New static variables.
8953 (insn_cost1): New function. Move logic from insn_cost to here.
8954 (find_insn_reg_weight1): New function. Move logic from
8955 find_insn_reg_weight to here.
8956 (reemit_notes, move_insn, max_issue): Change signature.
8957 (move_insn1): Removed.
8958 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
8959 extend_bb): New static functions to support extension of scheduler's
8961 (generate_recovery_code, process_insn_depend_be_in_spec,
8962 begin_speculative_block, add_to_speculative_block,
8963 init_before_recovery, create_recovery_block, create_check_block_twin,
8964 fix_recovery_deps): New static functions to support
8965 generation of recovery code.
8966 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
8967 restore_bb_notes, move_block_after_check, move_succs): New static
8968 functions to support ebb scheduling.
8969 (init_glat, init_glat1, attach_life_info1, free_glat): New static
8970 functions to support handling of register live information.
8971 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
8972 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
8973 add_jump_dependencies): New static functions.
8974 (check_cfg, has_edge_p, check_sched_flags): New static functions for
8975 consistancy checking.
8976 (debug_spec_status): New function to call from debugger.
8977 (priority): Added code to handle speculation checks.
8978 (rank_for_schedule): Added code to distinguish speculative instructions.
8979 (schedule_insn): Added code to handle speculation checks.
8980 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
8981 Fixed to handle ebbs.
8982 (move_insn): Added code to handle ebb scheduling.
8983 (max_issue): Added code to use ISSUE_POINTS of instructions.
8984 (choose_ready): Added code to choose between speculative and
8985 non-speculative instructions.
8986 (schedule_block): Added code to handle ebb scheduling and scheduling of
8987 speculative instructions.
8988 (sched_init): Initialize new variables.
8989 (sched_finish): Free new variables. Print statistics.
8990 (try_ready): Added code to handle speculative instructions.
8991 * lists.c (copy_DEPS_LIST_list): New function.
8992 * sched-deps.c (extend_dependency_caches): New function. Move logic
8993 from create_dependency_caches to here.
8994 (get_dep_weak, ds_merge): Make global.
8995 * genattr.c (main): Code to output prototype for
8996 dfa_clear_single_insn_cache.
8997 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
8998 (output_dfa_clean_insn_cache_func): Code to output
8999 dfa_clear_single_insn_cache function.
9000 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9002 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9004 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9005 New static variables.
9006 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9007 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9009 (ebb_sched_info): Initialize new fields.
9010 (get_block_head_tail): Adjust all uses.
9011 (compute_jump_reg_dependencies): Fixed to use glat_start.
9012 (schedule_ebb): Code to remove unreachable last block.
9013 (schedule_ebbs): Added code to update register live information.
9014 * sched-rgn.c (region_sched_info): Initialize new fields.
9015 (get_block_head_tail): Adjust all uses.
9016 (last_was_jump): Removed. Adjust users.
9017 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9018 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9019 Implement new hooks.
9020 (check_dead_notes1): New static function.
9021 (struct region): New fields: dont_calc_deps, has_real_ebb.
9022 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9023 (BB_TO_BLOCK): Fixed to handle EBBs.
9024 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9025 (ebb_head): New static variable.
9026 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9027 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9029 (compute_dom_prob_ps): New assertion.
9030 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9031 global_live_at_start.
9032 (init_ready_list): New assertions.
9033 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9034 (new_ready): Add support for BEGIN_CONTROL speculation.
9035 (schedule_insns): Fixed code that updates register live information
9037 (schedule_region): Fixed to handle EBBs.
9038 (init_regions): Use extend_regions and check_dead_notes1.
9039 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9040 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9041 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9042 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9043 TARGET_SCHED_GEN_CHECK,
9044 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9045 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9046 * doc/invoke.texi (max-sched-insn-conflict-delay,
9047 sched-spec-prob-cutoff): Document.
9049 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9051 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
9052 inter_tick, queue_index.
9053 (struct sched_info): Change signature of init_ready_list field.
9054 Adjust all initializations.
9055 (RESOLVED_DEPS): New access macro.
9056 (ready_add): Remove prototype.
9057 (try_ready): Add prototype.
9058 * sched-rgn.c (init_ready_list): Use try_ready.
9059 (schedule_region): Initialize
9060 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
9061 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
9062 (init_ready_list): Use try_ready.
9063 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
9064 * lists.c (remove_list_elem): Remove `static'.
9065 (remove_free_INSN_LIST_elem): New function.
9066 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
9067 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
9068 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
9070 (readyp): New variable.
9071 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
9072 change_queue_index, resolve_dep): New static functions.
9073 (try_ready): New function. Adjust callers in sched-rgn.c and
9074 sched-ebb.c to use it instead of ready_add.
9075 (clock_var): Move at the begining of file.
9076 (rank_for_schedule): Fix typo.
9077 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9078 (ready_lastpos): Enforce assertion.
9079 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9081 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9082 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9083 (queue_to_ready): Use free_INSN_LIST_list.
9084 (early_queue_to_ready): Fix typo.
9085 (schedule_block): Init readyp. Move init_ready_list call after the
9086 initialization of clock_var. Fix error in rejecting insn by
9087 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9088 that previously corrected INSN_TICKs. Add code for handling
9090 (set_priorities): Fix typo.
9091 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9092 Clarify comment and code that keeps current_sched_info->next_tail
9095 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9097 * sched-rgn.c (extend_rgns): New static function.
9098 (find_rgns): Use it.
9099 (gather_region_statistics, print_region_statistics): New static
9101 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9102 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9104 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9105 Andrey Belevantsev <abel@ispras.ru>
9107 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9108 * lists.c (unused_deps_list): New variable.
9109 (free_list): Add assertions to verify the proper distinguishing
9110 between INSN_LISTs and DEPS_LISTs.
9111 (find_list_elem, remove_list_elem, remove_list_node): New static
9113 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9114 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9115 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9116 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9118 (free_INSN_LIST_node): Likewise.
9119 * modulo-sched.c (current_sched_info): Initialize flags field.
9120 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9121 * rtl.def (DEPS_LIST): Define.
9122 * rtl.h: Declare new functions from lists.c.
9123 * sched-deps.c (spec_dependency_cache): New static variable.
9124 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
9125 (add_dependence): Change return type to void. Move the logic to ...
9126 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9127 (delete_all_dependences): Add comment about forward_dependency_cache.
9128 Handle spec_dependency_cache. Handle DEPS_LISTs.
9129 (fixup_sched_groups): Clarify the change of priority of output
9130 and anti dependencies.
9131 (sched_analyze_2): Adjust add_dependence calls to create data
9132 speculative dependence.
9133 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
9134 Adjust all callers. Handle DEPS_LISTS.
9135 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
9136 presence of speculation.
9137 (init_dependency_caches, free_dependency_caches):
9138 Handle spec_dependency_cache.
9139 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
9140 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
9141 New static functions.
9142 (add_or_update_back_dep, add_or_update_back_forw_dep,
9143 add_back_forw_dep, delete_back_forw_dep): New functions.
9144 * sched-int.h (ds_t, dw_t): New typedefs.
9145 (struct sched_info): Add new field flags.
9146 (struct haifa_insn_data): Add new bitfield has_internal_dep.
9147 Prototype new sched-deps.c functions.
9148 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
9149 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
9150 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
9151 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
9152 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
9153 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
9155 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
9157 * sched-rgn.c (current_sched_info): Initialize flags field.
9158 (schedule_insns): Initialize current_sched_info before the sched_init
9160 * sched-ebb.c (current_sched_info): Initialize flags field.
9161 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
9162 Call add_or_update_back_dep instead of add_dependence.
9163 Create control speculative dependencies.
9164 (schedule_insns): Initialize current_sched_info before the sched_init
9167 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
9169 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
9171 (sh_fallback_frame_state): Likewise.
9173 2006-03-15 Geoffrey Keating <geoffk@apple.com>
9175 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
9176 Do switch on default_use_cxa_atexit.
9177 (powerpc*-*-darwin*): Build crt2.o on powerpc.
9178 * config/darwin-crt3.o: New.
9179 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
9180 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
9181 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
9183 * config/rs6000/t-darwin: Move crt2.o building to here.
9184 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
9185 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
9188 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9190 * config/vax/vax.c (nonindexed_address_p): Change logical negation
9191 from '! xxx' to '!xxx' for coding-style conformance.
9192 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
9193 (EXTRA_CONSTRAINT): Likewise.
9194 * config/vax/vax.md (four unnamed insns): Likewise.
9196 2006-03-15 Paul Brook <paul@codesourcery.com>
9198 * config/arm/arm.c (minipool_pad): New.
9199 (add_minipool_forward_ref): Include pool alignment padding in address
9201 (push_minipool_fix): Set minipool_pad.
9202 (minipool_pad): Ditto.
9204 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9206 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
9207 instead of GET_CODE() == MEM and REG_P() instead of
9209 (print_operand_address): Likewise.
9210 (vax_address_cost): Likewise.
9211 (vax_rtx_costs): Likewise.
9212 (vax_notice_update_cc): Likewise.
9213 (vax_output_int_add): Likewise.
9214 (INDEX_REGISTER_P): Likewise.
9215 (BASE_REGISTER_P): Likewise.
9216 (nonindexed_address_p): Likewise.
9217 (vax_mode_dependent_address_p): Likewise.
9218 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
9219 (PRINT_OPERAND): Likewise.
9220 * config/vax/vax.md (ashlsi3): Likewise.
9221 (ashlsi3): Likewise.
9222 (some more unnamed insns): Likewise.
9224 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
9226 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
9227 iterator-style macro.
9228 (mark_control_dependent_edges_necessary): Update the use of
9229 EXECUTE_IF_CONTROL_DEPENDENT.
9231 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
9233 * config/sh/predicates.md (cache_address_operand): Special.
9234 (ua_address_operand): Likewise.
9236 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9238 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
9240 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
9242 2006-03-15 Andreas Schwab <schwab@suse.de>
9244 * gensupport.c (identify_predicable_attribute): Don't free p_false
9245 when it is still in use.
9247 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
9249 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
9250 the default setting here.
9252 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
9254 * tree-pass.h (pass_cfg): Remove.
9255 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
9256 * passes.c (pass_cfg): Don't run it.
9258 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
9260 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
9261 * reg-stack.c (stack_regs_mentioned_data): Change the type to
9263 (stack_regs_mentioned): Update the uses of
9264 stack_regs_mentioned_data. Don't access the array beyond its
9266 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
9267 Don't include gt-reg-stack.h.
9269 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
9270 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
9272 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
9275 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
9278 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9280 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
9282 2006-03-14 Richard Guenther <rguenther@suse.de>
9284 PR tree-optimization/26672
9285 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
9288 2006-03-14 Richard Guenther <rguenther@suse.de>
9290 PR tree-optimization/26667
9291 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
9292 node for the callees. Always allow inlining if it will shrink
9295 2006-03-14 Richard Guenther <rguenther@suse.de>
9298 * builtins.c (get_pointer_alignment): Prefer alignment
9299 information from decls over that from types.
9301 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
9304 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
9306 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
9308 * config/rs6000/rs6000.opt (mdlmzb): New option.
9309 (msched-prolog, msched-epilog): Use Var not Mask.
9310 * doc/invoke.texi (-mdlmzb): Document.
9311 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9313 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
9314 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
9316 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
9318 PR rtl-optimization/25739
9319 * bt-load.c (augment_live_range): Free tos pointer.
9321 * gensupport.c (identify_predicable_attribute): Free
9323 * gcov.c (create_file_names): Free name pointer.
9325 2006-03-13 Roger Sayle <roger@eyesopen.com>
9328 * stmt.c (emit_case_nodes): Handle the case where the index is a
9329 CONST_INT, where the comparison mode is specified by the index type.
9331 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9333 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
9336 2006-03-13 Richard Sandiford <richard@codesourcery.com>
9338 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
9339 (*branch_fp_inverted): Likewise.
9341 2006-03-13 Jakub Jelinek <jakub@redhat.com>
9344 * omp-low.c (expand_omp_for_generic): Mark istart0
9345 and iend0 as addressable.
9347 2006-03-13 Jie Zhang <jie.zhang@analog.com>
9349 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
9351 2006-03-13 Jeff Law <law@redhat.com>
9353 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
9354 virtual operands are interesting.
9355 (vrp_visit_stmt): Corresponding changes.
9357 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
9359 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
9361 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
9362 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
9363 * config/bfin/crti.S: Use it instead of __PIC__.
9364 * config/bfin/crtn.S: Likewise.
9366 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
9367 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
9369 Lose 'G' modifier for call operand.
9370 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
9371 recognize 'G' modifier.
9373 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
9376 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
9377 * stmt.c (expand_case): Likewise.
9379 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9381 PR rtl-optimization/26254
9382 * loop-invariant.c (seq_insns_valid_p): New function.
9383 (move_invariant_reg): Only emit new code if it is valid.
9385 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9387 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
9389 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
9390 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
9391 (commit_one_edge_insertion): Do not look for loop notes.
9393 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9395 * jump.c (follow_jumps): Do not check for loop notes. Move check for
9396 flag_test_coverage out of loop.
9398 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9400 * final.c (shorten_branches): Remove outdated comment, and turn
9401 the if branch that guards it to continue.
9403 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9405 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
9406 * cfgloop.h (struct loop): Remove unused fields.
9408 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
9410 * doc/invoke.texi (-fdump-rtl-loop): Remove.
9411 (-dL, -fdump-rtl-loop2): Update the dump file names
9413 * doc/invoke.texi: Update dump file names.
9415 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
9417 * predict.c (estimate_probability): Remove.
9418 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
9419 * basic-block.h (estimate_probability): Remove prototype.
9420 * passes.c (finish_optimization_passes): Dump branch prediction or
9421 profiling heuristics to the .profile tree dump.
9422 (init_optimization_passes): Unqueue pass_branch_prob.
9424 * doc/invoke.texi (-fdump-rtl-bp): Remove.
9426 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9428 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
9429 * rtl.h (LABEL_NEXTREF): Remove field accessor.
9431 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
9433 * function.h (frame_offset_overflow): Declare.
9434 * function.c (frame_offset_overflow): New function.
9435 (assign_stack_local_1): Call it to detect that the offset overflows.
9436 * cfgexpand.c (alloc_stack_frame_space): Likewise.
9438 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9440 * config/sh/sh.c: Include alloc-pool.h.
9441 (label_ref_list_pool): New alloc pool.
9442 (label_ref_list_t): New type for lists of labels.
9443 (struct pool_node): Make wend a label_ref_list_t.
9444 (add_constant): Use the new type, eradicate LABEL_NEXTREF
9446 (dump_table): Likewise.
9447 (sh_reorg): Set up the alloc pool before using add_constant and
9448 dump_table, and destroy it when finishing.
9450 2006-03-11 Richard Sandiford <richard@codesourcery.com>
9452 * config/mips/mips.c: Remove redundant comment.
9454 2006-03-10 Jason Merrill <jason@redhat.com>
9457 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
9458 the target was declared 'register'.
9460 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
9462 * genpreds.c (write_insn_constraint_len): Change definition of
9463 insn_constraint_len to return size_t to match the declaration.
9465 2006-03-10 DJ Delorie <dj@redhat.com>
9467 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
9469 (m32c_expand_insv): Fix test for an AND mask.
9471 2006-03-10 Richard Guenther <rguenther@suse.de>
9474 * builtins.c (get_pointer_alignment): Handle component
9475 references for field alignment.
9477 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9479 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
9480 when building with libgloss.
9481 (sh*elf): Implement --without-fp option.
9482 (sh64-superh-linux*): Don't multilib.
9484 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9486 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
9488 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
9490 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
9491 Set it when one of the replacement functions returned true.
9492 Return TODO_cleanup_cfg if cfgchanged is true.
9493 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
9495 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
9497 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
9498 instead of gen_lowpart.
9500 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9502 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
9504 (mips_output_order_conditional_branch): Declare.
9505 * config/mips/mips.h (MIPS_BRANCH): New macro.
9506 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
9507 for the comparison. Use gen_condjump.
9508 (mips_output_conditional_branch): Rework interface to take the
9509 asm templates for a direct branch and the inverse of a direct branch.
9510 (mips_output_order_conditional_branch): New function.
9511 (mips_builtin_branch_and_move): New function.
9512 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
9513 branch condition. Use gen_single_cc as the condition for
9514 __builtin_mips_upper_* or __builtin_mips_lower_*.
9515 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
9516 Use VOIDmode for the branch condition.
9517 * config/mips/predicates.md (order_operator): New predicate.
9518 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
9519 (branch_fp): Rename to...
9520 (*branch_fp): ...this. Remove mode from comparison operator.
9521 Use new mips_output_conditional_branch interface.
9522 (branch_fp_inverted): Rename to...
9523 (*branch_fp_inverted): ...this and update as for *branch_fp.
9524 (*branch_zero<mode>): Rename to...
9525 (*branch_order<mode>): ...this. Remove mode from comparison operator.
9526 Use mips_output_order_conditional_branch. Only accept ordered
9528 (*branch_zero<mode>_inverted): Rename to...
9529 (*branch_order<mode>_inverted): ...this and update as for
9530 *branch_order<mode>.
9531 (*branch_equality<mode>): Accept zero as the second operand to
9532 the equality operator. Use the new mips_output_conditional_branch
9534 (*branch_equality<mode>_inverted): Likewise.
9535 (condjump): New expander.
9536 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
9538 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
9539 (bc1any2t, bc1any2f): Likewise.
9540 (single_cc): New expander.
9541 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
9543 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9545 * doc/md.texi: Update documentation of MIPS constraints.
9546 * config/mips/constraints.md: New file.
9547 * config/mips/mips.md: Include it.
9548 * config/mips/mips.c (mips_char_to_class): Delete.
9549 (override_options): Don't initialize mips_char_to_class.
9550 * config/mips/mips.h (mips_char_to_class): Delete.
9551 (REG_CLASS_FROM_LETTER): Delete.
9552 (CONST_OK_FOR_LETTER_P): Delete.
9553 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9554 (EXTRA_CONSTRAINT_Y): Delete.
9555 (EXTRA_CONSTRAINT_STR): Delete.
9556 (CONSTRAINT_LEN): Delete.
9557 (EXTRA_MEMORY_CONSTRAINT): Delete.
9559 2006-03-09 Diego Novillo <dnovillo@redhat.com>
9561 * tree-cfg.c (move_block_to_fn): Remove the statements from the
9562 original fn's eh regions.
9564 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
9566 * fold-const.c (build_range_check): Make sure to use a valid type to
9567 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
9570 (range_predecessor): New static function.
9571 (range_successor): Likewise.
9572 (merge_ranges): Use them to compute predecessors and successors of
9575 2006-03-09 Roger Sayle <roger@eyesopen.com>
9578 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
9579 X op C3, consider whether C3 overflows towards +Inf or -Inf.
9581 2006-03-08 DJ Delorie <dj@redhat.com>
9583 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
9584 (addpsi3): Expand to include memory operands. Remove
9585 reload-specific splits.
9586 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
9587 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
9588 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
9589 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
9590 (shift1_qi, shift1_hi, insv): New.
9591 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
9592 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
9593 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
9595 * config/m32c/m32c-protos.h: Update as needed.
9596 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
9597 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
9598 Fail for unrecognized R* constraints.
9599 (m32c_cannot_change_mode_class): Be more picky about pseudos.
9600 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
9601 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
9603 (m32c_init_libfuncs): New.
9604 (m32c_legitimate_address_p): Add debug wrapper.
9605 (m32c_rtx_costs): New.
9606 (m32c_address_cost): New.
9607 (conversions): Add 'B' prefix.
9608 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
9609 operands, or word regnames for QI operands. 'B' prints bit
9611 (m32c_expand_setmemhi): New.
9612 (m32c_expand_movmemhi): New.
9613 (m32c_expand_movstr): New.
9614 (m32c_expand_cmpstr): New.
9615 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
9616 (m32c_expand_neg_mulpsi3): Handle non-ints.
9617 (m32c_cmp_flg_0): New.
9618 (m32c_expand_movcc): New.
9619 (m32c_expand_insv): New.
9620 (m32c_scc_pattern): New.
9621 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
9622 a0/a1 out of SIregs.
9623 (STORE_FLAG_VALUE): New.
9624 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
9627 * config/m32c/mov.md: Make constraints more liberal.
9628 (zero_extendqihi2): Optimize r0/r1 case.
9629 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
9630 * config/m32c/predicates.md (m32c_any_operand): New.
9631 (m32c_nonimmediate_operand): New.
9632 (m32c_hl_operand): New.
9633 (m32c_r3_operand): New.
9636 (memsym_operand): New.
9637 (memimmed_operand): New.
9638 (a_qi_operand): New.
9639 (m32c_eqne_operator): New.
9640 (m32c_1bit8_operand): New.
9641 (m32c_1bit16_operand): New.
9642 (m32c_1mask8_operand): New.
9643 (m32c_1mask16_operand): New.
9644 * config/m32c/blkmov.md: New file.
9645 * config/m32c/t-m32c (MD_FILES): Add blkmov.
9647 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
9649 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
9650 unsigned to fix signed/unsigned comparison issue in
9651 DWARF2_FRAME_REG_OUT.
9652 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
9653 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
9655 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
9656 of ptr into the ENABLE_CHECKING section.
9658 2006-03-08 Jeff Law <law@redhat.com>
9660 * tree-vrp.c (infer_value_range): Only count pointer uses
9661 and dereferences if -fdelete-null-pointer-checks is enabled.
9663 * tree-vrp.c (find_assert_locations): Infer value ranges for
9664 single use pointers, but do not create ASSERT_EXPRs for them.
9665 When a non-null range is inferred for a pointer, backwards
9666 propagate that range to other equivalent pointers through the
9669 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
9672 * Makefile.in (dvi, html, install-info): Invoke the corresponding
9673 language hook targets.
9674 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
9675 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
9676 if language hook targets were missing.
9678 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
9680 * tree-ssa-opfinalize.h: Removed.
9681 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
9683 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
9684 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
9685 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
9686 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
9687 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
9688 finalize_ssa_v_must_def_ops): New.
9690 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
9692 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
9695 2006-03-07 Geoffrey Keating <geoffk@apple.com>
9697 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
9699 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
9700 addresses with offsets; reorganize.
9702 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
9703 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
9704 (expand_builtin_init_dwarf_reg_sizes): Likewise.
9706 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
9709 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
9711 2006-03-08 Ben Elliston <bje@au.ibm.com>
9713 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
9715 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
9718 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
9721 2006-03-07 Richard Guenther <rguenther@suse.de>
9723 PR tree-optimization/26587
9724 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
9726 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9728 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
9730 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9732 * hooks.c (hook_bool_mode_rtx_true): New function.
9733 * hooks.h (hook_bool_mode_rtx_true): Declare.
9734 * toplev.c (compile_file): Call output_shared_constant_pool.
9735 * varasm.c (shared_constant_pool): New variable.
9736 (assemble_start_function, assemble_end_function): Remove arguments
9737 from call to output_constant_pool.
9738 (create_constant_pool): New function, split out from...
9739 (init_varasm_status): ...here.
9740 (force_const_mem): Choose between the shared and per-function constant
9741 pools. Set current_function_uses_const_pool when reusing old entries
9742 as well as when creating new ones.
9743 (mark_constant): Ignore data argument.
9744 (mark_constants): Remove pool argument.
9745 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
9746 to decide whether the function uses a constant pool.
9747 (output_constant_pool_contents): New function, split out from...
9748 (output_constant_pool): ...here.
9749 (output_shared_constant_pool): New function.
9750 (init_varasm_once): Initialize shared_constant_pool.
9751 * output.h (output_constant_pool): Delete.
9752 (output_shared_constant_pool): Declare.
9753 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
9754 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
9756 2006-03-06 Nick Clifton <nickc@redhat.com>
9758 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
9759 flag_strength_reduce.
9761 2006-03-06 Ben Elliston <bje@au.ibm.com>
9763 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
9764 x86_64-*-linux* configurations.
9766 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
9767 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
9769 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9771 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
9773 * basic-block.h: Remove the extern for
9774 rediscover_loops_after_threading.
9776 * cfgloop.c (cancel_loop): Make it static.
9777 * cfgloop.h: Remove the prototype for cancel_loop.
9779 * flow.c (recompute_reg_usage): Make it static.
9780 * rtl.h: Remove the prototype for recompute_reg_usage.
9782 * function.c (use_return_register): Make it static.
9783 * function.h: Remove the prototype.
9785 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9787 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
9789 * recog.h: Remove the prototype for
9790 validate_change_maybe_volatile.
9792 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9794 * rtlanal.c (replace_reg): Remove.
9795 * rtl.h: Remove the prototype for replace_reg.
9797 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9799 * regclass.c (reg_scan_update): Remove.
9800 (reg_scan_mark_refs): Remove the last argument.
9801 * rtl.h: Remove the prototype for reg_scan_update.
9803 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9805 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
9806 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
9807 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
9808 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
9809 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
9810 loop-invariant.c, omp-low.c, opts.c, passes.c,
9811 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
9812 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
9813 tree-ssa-structalias.c, tree-ssa-threadedge.c,
9814 tree-ssa-threadupdate.c, tree-vect-patterns.c,
9815 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
9816 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
9818 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9820 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
9821 * dwarf2out.h: Remove the prototype for
9822 dwarf2out_add_library_unit_info.
9824 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9826 * tree.c (add_var_to_bind_expr): Remove.
9827 * tree.h: Remove the prototype for add_var_to_bind_expr.
9829 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9831 * regclass.c (n_non_fixed_regs): Remove.
9832 (init_reg_sets_1, globalize_reg): Remove all uses of
9834 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
9836 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9838 * rtlanal.c (insns_safe_to_move_p): Remove.
9839 * rtl.h: Remove the prototype for insns_safe_to_move_p.
9841 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9843 * expmed.c (expand_mult_add): Remove.
9844 * expr.h: Remove the prototype for expand_mult_add.
9846 2006-03-04 Jakub Jelinek <jakub@redhat.com>
9848 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
9849 and REG_SAVED_VAL_EXP constants.
9850 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
9851 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
9852 Handle regs stored by value.
9853 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
9854 (execute_cfa_program): Handle DW_CFA_val_offset,
9855 DW_CFA_val_offset_sf and DW_CFA_val_expression.
9856 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
9857 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
9858 (uw_install_context_1): Handle target regs stored by value.
9860 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
9862 * tree-sra.c (tree_sra): Return todoflags;
9863 (generate_one_element): Set TODO_update_smt_usage if needed.
9864 (pass_sra): Remove TODO_update_smt_usage.
9865 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
9867 (tree_ssa_forward_propagate_single_use_vars): Return
9868 TODO_update_smt_usage if we need to update SMT usage.
9869 (pass_forwprop): Remove TODO_update_smt_usage.
9871 2006-03-03 Diego Novillo <dnovillo@redhat.com>
9873 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
9874 (correct_use_link): Remove reference to get_stmt_operands.
9875 (update_stmt_operands): Likewise.
9876 (get_modify_expr_operands): New function factored out of
9877 parse_ssa_operands and get_expr_operands.
9878 Try to create V_MUST_DEFs for LHS by default.
9879 (get_expr_operands) <case MODIFY_EXPR>: Call
9880 get_modify_expr_operands.
9881 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
9882 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
9883 (parse_ssa_operands) <case MODIFY_EXPR>: Call
9884 get_modify_expr_operands.
9886 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
9888 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
9889 * tree-flow.h: Remove the prototype for
9890 referenced_var_lookup_if_exists.
9892 2006-03-03 Steve Ellcey <sje@cup.hp.com>
9894 PR rtl-optimization/26345
9896 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
9898 2006-03-03 Roger Sayle <roger@eyesopen.com>
9900 PR tree-optimization/26524
9901 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
9902 fold_convert to create a constant of the appropriate type.
9904 2006-03-03 Richard Sandiford <richard@codesourcery.com>
9906 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9907 SYMBOL_REF_IN_BLOCK_P.
9908 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
9909 of SYMBOL_FLAG_IN_BLOCK.
9910 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
9911 instead of SYMBOL_REF_IN_BLOCK_P.
9912 * explow.c (use_anchored_address): Likewise.
9913 * rtl.c (rtx_size): Likewise.
9914 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
9915 instead of SYMBOL_FLAG_IN_BLOCK.
9916 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9917 SYMBOL_REF_IN_BLOCK_P.
9918 (assemble_variable): Likewise.
9919 (output_constant_def_contents): Likewise.
9920 (output_constant_pool): Likewise.
9921 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
9922 instead of SYMBOL_FLAG_IN_BLOCK.
9923 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9924 SYMBOL_REF_IN_BLOCK_P.
9925 (SYMBOL_REF_BLOCK): Likewise.
9926 (SYMBOL_REF_OFFSET): Likewise.
9927 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9928 SYMBOL_REF_IN_BLOCK_P.
9929 (SYMBOL_FLAG_IN_BLOCK): Replace with...
9930 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
9931 (SYMBOL_REF_IN_BLOCK_P): Replace with...
9932 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
9934 2006-03-03 Jakub Jelinek <jakub@redhat.com>
9936 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
9938 2006-03-02 Roger Sayle <roger@eyesopen.com>
9940 * simplify-rtx.c (simplify_unary_operation): When simplifying
9941 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
9942 that we perform the right shift in the appropriate mode, and
9943 then extend or truncate the result to requested mode.
9945 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
9947 * gengtype.c (main): Handle double_int type.
9948 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
9949 * double-int.c: New file.
9950 * double-int.h: New file.
9951 * system.h: Include doubleint.h.
9952 * Makefile.in (SYSTEM_H): Include double-int.h.
9953 (double-int.o): Add.
9955 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
9958 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
9961 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9963 * tree-vrp.c (remove_range_assertions): Do not update statements
9966 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9968 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
9970 * gcse.c (rest_of_handle_gcse): Ditto.
9971 * except.c (gate_handle_eh): Ditto.
9972 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
9973 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
9975 2006-03-02 Eric Christopher <echristo@apple.com>
9977 * config/i386/i386.c (machopic_output_stub): Add indirection to
9980 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9984 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
9986 Sun Niagara specific optimizations.
9987 * config.gcc: Recognize niagara as target.
9988 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
9989 (TARGET_CPU_niagara): Define.
9990 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
9991 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
9992 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9993 (ASM_CPU_SPEC): Likewise.
9994 (PROCESSOR_NIAGARA): New enum entry.
9995 (REGISTER_MOVE_COST): Handle Niagara.
9996 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
9997 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
9998 (sparc_override_options): Recognize "niagara", set appropriate
9999 default MASK_* values for it, and align functions to 32-bytes
10000 by default just like ULTRASPARC/ULTRASPARC3.
10001 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10002 (sparc64_initialize_trampoline): Likewise.
10003 (sparc_use_sched_lookahead): Use zero for niagara.
10004 (sparc_issue_rate): Use one for niagara.
10005 * config/sparc/niagara.md: New file.
10006 * config/sparc/sparc.md: Include it.
10007 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10008 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10009 when default cpu is niagara.
10010 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10011 (ASM_CPU_SPEC): Likewise.
10012 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10013 when default cpu is niagara.
10014 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10015 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10016 just like v9/ultrasparc/ultrasparc3.
10017 * doc/invoke.texi: Add documentation for "niagara" and improve
10018 existing documentation for ultrasparc variants.
10020 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10022 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10024 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10026 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10027 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10028 and say that only one is needed.
10029 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10030 * target.h (have_switchable_bss_sections): New hook.
10031 * explow.c (use_anchored_address): Check that the symbol is in a block.
10032 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10033 (bss_noswitch_section): New variables.
10034 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10035 (get_noswitch_section): New function.
10036 (get_block_for_section): Allow SECT to be null.
10037 (unlikely_text_section_p): Use SECTION_STYLE.
10038 (bss_initializer_p): New function.
10039 (get_variable_section): Move earlier in file. Take a new argument,
10040 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10041 Return one of the new *_sections in such cases.
10042 (get_block_for_decl): New function, extracting some logic from
10043 use_blocks_for_decl_p.
10044 (change_symbol_section): Remove in favor of...
10045 (change_symbol_block): ...this new function.
10046 (use_blocks_for_decl_p): Remove checks now performed by
10047 get_block_for_decl.
10048 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
10049 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
10050 (emit_local, emit_bss, emit_common): ...these new functions.
10051 Return true if the alignment was honored.
10052 (emit_tls_common): New function.
10053 (asm_emit_uninitialised): Delete.
10054 (assemble_variable_noswitch): New function, split out from...
10055 (assemble_variable): ...here. Don't make decisions about common
10056 variables here. Globalize all public decls that go into non-common
10057 sections. Check whether SYMBOL_REF_BLOCK is null.
10058 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
10059 (output_constant_pool): Likewise.
10060 (init_varasm_once): Initialize the new section variables.
10061 (have_global_bss_p): New function.
10062 (categorize_decl_for_section): Use bss_initializer_p.
10063 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
10064 (place_block_symbol): Assert that the symbol must be in a block.
10065 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
10066 (TARGET_INITIALIZER): Include it.
10067 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
10068 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
10069 (SECTION_MACH_DEP): Bump by two.
10070 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
10071 (unnamed_section): Mention SECTION_UNNAMED in comment.
10072 (named_section): Likewise SECTION_NAMED.
10073 (noswitch_section_callback): New type.
10074 (noswitch_section): New structure.
10075 (section): Add a noswitch_section alternative.
10076 (SECTION_STYLE): New macro.
10077 (tls_comm_section, comm_section, lcomm_section): Declare.
10078 (bss_noswitch_section, have_global_bss_p): Declare.
10079 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10080 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10082 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10083 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10086 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10088 * tree-vrp.c (execute_vrp): Return value.
10089 * regrename.c (rest_of_handle_regrename): Ditto.
10090 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10091 * tree-complex.c (tree_lower_complex): Ditto.
10092 (tree_lower_complex_O0): Ditto.
10093 * tracer.c (rest_of_handle_tracer): Ditto.
10094 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10095 * postreload.c (rest_of_handle_postreload): Ditto.
10096 * tree-tailcall.c (execute_tail_recursion): Ditto.
10097 (execute_tail_calls): Ditto.
10098 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10099 * tree.h (init_function_for_compilation): Ditto.
10100 * ipa-cp.c (ipcp_driver): Ditto.
10101 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10102 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10103 * final.c (compute_alignments): Ditto.
10104 (rest_of_handle_final): Ditto.
10105 (rest_of_handle_shorten_branches): Ditto.
10106 (rest_of_clean_state): Ditto.
10107 * omp-low.c (execute_expand_omp): Ditto.
10108 (execute_lower_omp): Ditto.
10109 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10110 * ipa-reference.c (static_execute): Ditto.
10111 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10112 * reorg.c (rest_of_handle_delay_slots): Ditto.
10113 (rest_of_handle_machine_reorg): Ditto.
10114 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10115 * flow.c (recompute_reg_usage): Ditto.
10116 (rest_of_handle_remove_death_notes): Ditto.
10117 (rest_of_handle_life): Ditto.
10118 (rest_of_handle_flow2): Ditto.
10119 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10120 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10121 (do_ssa_store_ccp): Ditto.
10122 (execute_fold_all_builtins): Ditto.
10123 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10124 * modulo-sched.c (rest_of_handle_sms): Ditto.
10125 * ipa-pure-const.c (static_execute): Ditto.
10126 * cse.c (rest_of_handle_cse): Ditto.
10127 (rest_of_handle_cse2): Ditto.
10128 * web.c (rest_of_handle_web): Ditto.
10129 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10130 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
10131 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
10132 * tree-nrv.c (tree_nrv): Ditto.
10133 (execute_return_slot_opt): Ditto.
10134 * tree-ssa-alias.c (compute_may_aliases): Ditto.
10135 (create_structure_vars): Ditto.
10136 * loop-init.c (rtl_loop_init): Ditto.
10137 (rtl_loop_done): Ditto.
10138 (rtl_move_loop_invariants): Ditto.
10139 (rtl_unswitch): Ditto.
10140 (rtl_unroll_and_peel_loops): Ditto.
10141 (rtl_doloop): Ditto.
10142 * gimple-low.c (lower_function_body): Ditto.
10143 (mark_used_blocks): Ditto.
10144 * tree-ssa-sink.c (execute_sink_code): Ditto.
10145 * ipa-inline.c (cgraph_decide_inlining): Ditto.
10146 (cgraph_early_inlining): Ditto.
10147 * global.c (rest_of_handle_global_alloc): Ditto.
10148 * jump.c (cleanup_barriers): Ditto.
10149 (purge_line_number_notes): Ditto.
10150 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
10151 (rest_of_handle_if_after_reload): Ditto.
10152 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
10153 (tree_ssa_loop_im): Ditto.
10154 (tree_ssa_loop_unswitch): Ditto.
10155 (tree_vectorize): Ditto.
10156 (tree_linear_transform): Ditto.
10157 (tree_ssa_loop_ivcanon): Ditto.
10158 (tree_ssa_empty_loop): Ditto.
10159 (tree_ssa_loop_bounds): Ditto.
10160 (tree_complete_unroll): Ditto.
10161 (tree_ssa_loop_prefetch): Ditto.
10162 (tree_ssa_loop_ivopts): Ditto.
10163 (tree_ssa_loop_done): Ditto.
10164 * predict.c (tree_estimate_probability): Ditto.
10165 * recog.c (split_all_insns_noflow): Ditto.
10166 (rest_of_handle_peephole2): Ditto.
10167 (rest_of_handle_split_all_insns): Ditto.
10168 * tree-eh.c (lower_eh_constructs): Ditto.
10169 * regmove.c (rest_of_handle_regmove): Ditto.
10170 (rest_of_handle_stack_adjustments): Ditto.
10171 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
10172 * function.c (instantiate_virtual_regs): Ditto.
10173 (init_function_for_compilation): Ditto.
10174 (rest_of_handle_check_leaf_regs): Ditto.
10175 * gcse.c (rest_of_handle_jump_bypass): Ditto.
10176 (rest_of_handle_gcse): Ditto.
10177 * ipa-type-escape.c (type_escape_execute): Ditto.
10178 * alias.c (rest_of_handle_cfg): Ditto.
10179 * tree-if-conv.c (main_tree_if_conversion): Ditto.
10180 * profile.c (rest_of_handle_branch_prob): Ditto.
10181 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
10182 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
10183 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
10184 * tree-dfa.c (find_referenced_vars): Ditto.
10185 * except.c (set_nothrow_function_flags): Ditto.
10186 (convert_to_eh_region_ranges): Ditto.
10187 (rest_of_handle_eh): Ditto.
10188 * emit-rtl.c (unshare_all_rtl): Ditto.
10189 (remove_unnecessary_notes): Ditto.
10190 * except.h (set_nothrow_function_flags): Ditto.
10191 (convert_to_eh_region_ranges): Ditto.
10192 * cfgexpand.c (tree_expand_cfg): Ditto.
10193 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
10194 * tree-ssa-pre.c (do_pre): Ditto.
10195 (execute_fre): Ditto.
10196 * cfgcleanup.c (rest_of_handle_jump): Ditto.
10197 (rest_of_handle_jump2): Ditto.
10198 * tree-sra.c (tree_sra): Ditto.
10199 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
10200 (execute_mudflap_function_decls): Ditto.
10201 * tree-ssa-copy.c (do_copy_prop): Ditto.
10202 (do_store_copy_prop): Ditto.
10203 * ipa-prop.h (ipcp_driver): Ditto.
10204 * cfglayout.c (insn_locators_initialize): Ditto.
10205 * tree-ssa-forwprop.c
10206 (tree_ssa_forward_propagate_single_use_vars): Ditto.
10207 * cfglayout.h (insn_locators_initialize): Ditto.
10208 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
10209 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
10210 (execute_late_warn_uninitialized): Ditto.
10211 * rtl.h (cleanup_barriers): Ditto.
10212 (split_all_insns_noflow): Ditto.
10213 (purge_line_number_notes): Ditto.
10214 (unshare_all_rtl): Ditto.
10215 (remove_unnecessary_notes): Ditto.
10216 (recompute_reg_usage): Ditto.
10217 (variable_tracking_main): Ditto.
10218 * integrate.c (emit_initial_value_sets): Ditto.
10219 * integrate.h (emit_initial_value_sets): Ditto.
10220 * tree-optimize.c (execute_free_datastructures): Ditto
10221 (execute_free_cfg_annotations): Ditto.
10222 (execute_fixup_cfg): Ditto.
10223 (execute_cleanup_cfg_pre_ipa): Ditto.
10224 (execute_cleanup_cfg_post_optimizing): Ditto.
10225 (execute_init_datastructures): Ditto.
10226 * tree-object-size.c (compute_object_sizes): Ditto.
10227 * combine.c (rest_of_handle_combine): Ditto.
10228 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
10229 * bb-reorder.c (duplicate_computed_gotos): Ditto.
10230 (rest_of_handle_reorder_blocks): Ditto.
10231 (rest_of_handle_partition_blocks): Ditto.
10232 * var-tracking.c (variable_tracking_main): Ditto.
10233 * tree-profile.c (tree_profiling): Ditto.
10234 * tree-vect-generic.c (expand_vector_operations): Ditto.
10235 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
10236 * sched-rgn.c (rest_of_handle_sched): Ditto.
10237 (rest_of_handle_sched2): Ditto.
10238 * basic-block.h (free_bb_insn): Ditto.
10239 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
10240 * tree-cfg.c (execute_build_cfg): Ditto.
10241 (remove_useless_stmts): Ditto.
10242 (split_critical_edges): Ditto.
10243 (execute_warn_function_return): Ditto.
10244 (execute_warn_function_noreturn): Ditto.
10245 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
10246 * cfgrtl.c (free_bb_for_insn): Ditto.
10247 * passes.c (execute_one_pass): Run additional
10248 todos returned by execute function.
10249 * tree-pass.h (struct tree_opt_pass): Make execute
10252 2006-03-02 Richard Guenther <rguenther@suse.de>
10254 * tree-ssa-alias.c (find_used_portions): Consider taking
10255 the address as making the variable not write-only.
10257 2006-03-02 Nick Clifton <nickc@redhat.com>
10259 * config.gcc (default_use_cxa_atexit): Extend the description of
10260 this configure variable. Set its default value to "yes" for
10261 Linux, NetBSD and ELF targets on the assumption that they will
10262 use C libraries with the __cxa_atexit function.
10264 2006-03-02 Ben Elliston <bje@au.ibm.com>
10266 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
10267 parameter as unused to suppress a build warning.
10269 2006-03-02 Ben Elliston <bje@au.ibm.com>
10271 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
10274 2006-03-01 Roger Sayle <roger@eyesopen.com>
10277 * gthr-posix.h (__gthrw2): Define to take three parameters, the
10278 declared name, the weak reference name, and the typeof name.
10279 (__gthrw): Avoid expanding the declared name suffix.
10280 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
10282 2006-03-01 Jakub Jelinek <jakub@redhat.com>
10284 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
10286 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
10287 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
10288 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
10289 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
10290 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
10291 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
10292 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
10293 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
10294 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
10295 DW_DS_leading_separate, DW_DS_trailing_separate): New.
10296 (DW_END_default, DW_END_big, DW_END_little): New.
10297 (DW_END_lo_user, DW_END_hi_user): Define.
10298 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
10299 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
10300 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
10303 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10305 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
10307 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
10309 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
10311 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
10313 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
10314 to 'symbol_mem_tag'.
10316 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
10319 2006-03-01 Roger Sayle <roger@eyesopen.com>
10321 * builtins.c (fold_builtin_copysign): Delete unreachable code.
10323 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10326 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
10327 MACHO_DYNAMIC_NO_PIC_P.
10328 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
10330 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10333 * config/darwin-protos.h (darwin_asm_output_anchor):
10335 * config/darwin-sections.def (cstring_section):
10336 Add SECTION_MERGE to the flags.
10337 (literal4_section): Likewise.
10338 (literal8_section): Likewise.
10339 (objc_selector_refs_section): Likewise.
10340 (objc_cls_refs_section): Likewise.
10341 * config/darwin.c (darwin_asm_output_anchor): New
10343 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10345 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
10347 Fix PR tree-optimization/26443
10348 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
10349 to todo and PROP_tmt_usage to properties_destroyed.
10350 * tree-ssa-ccp.c (pass_ccp): Ditto.
10351 (pass_store_ccp): Ditto.
10352 * tree-ssa-dom.c (pass_dominator): Ditto.
10354 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10356 * tree-ssa-operands.c: Cleanup whitespace.
10357 (get_asm_expr_operands): Move before first invocation.
10358 (get_indirect_ref_operands): Likewise.
10359 (get_tmr_operands): Likewise.
10360 (get_call_expr_operands): Likewise.
10361 (append_def): Likewise.
10362 (append_use): Likewise.
10363 (append_v_may_def): Likewise.
10364 (append_v_must_def): Likewise.
10365 (add_call_clobber_ops): Likewise.
10366 (add_call_read_ops): Likewise.
10367 (add_stmt_operand): Likewise.
10368 (add_virtual_operand): Likewise.
10369 (build_ssa_operands): Likewise.
10371 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10373 PR middle-end/26022
10375 PR middle-end/24437
10376 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10377 with a call expr to ...
10378 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10380 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10382 * tree-vrp.c (extract_range_from_assert): Remove special
10383 handling for types with super-types.
10385 2006-03-01 Ben Elliston <bje@au.ibm.com>
10387 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
10388 and powerpc64-*-linux* configurations.
10389 * config/t-dfprules: New file.
10391 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
10392 Compile dfp-bit.c from the source directory using -DWIDTH and
10393 $DFP_CFLAGS to control the compilation of that file, rather than
10394 generating width-specific versions in the build directory.
10395 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
10396 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
10398 2006-02-28 Zack Weinberg <zackw@panix.com>
10400 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
10403 2006-02-28 Eric Christopher <echristo@apple.com>
10405 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
10406 Set up IN_LIBGCC definition of TARGET_64BIT.
10407 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
10409 2006-02-28 Roger Sayle <roger@eyesopen.com>
10411 PR middle-end/14752
10412 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
10413 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
10414 cases via the construction of "expr != 0".
10416 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
10418 * alias.c (alias_invariant, alias_invariant_size): Remove.
10419 (record_base_value): Remove.
10420 (memrefs_conflict_p): Don't look at alias_invariant.
10421 (end_alias_analysis): Don't free it.
10422 * alias.h (record_base_value): Remove prototype.
10424 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
10425 Adam Nemet <anemet@caviumnetworks.com>
10427 * rtl.h (truncated_to_mode): Declare it.
10428 (struct rtl_hooks): Add reg_truncated_to_mode hook.
10429 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
10430 (RTL_HOOKS_INITIALIZER): Include it.
10431 * rtlhooks.c (reg_truncated_to_mode_general): New function.
10432 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
10433 reg_truncated_to_mode.
10434 * rtlanal.c (truncated_to_mode): Define it.
10435 * simplify-rtx.c (simplify_unary_operation_1): Use it.
10437 2006-02-28 Jeff Law <law@redhat.com>
10439 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
10440 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
10441 the range allowed by TYPE_PRECISION.
10443 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
10445 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
10447 PR tree-optimization/26419
10448 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
10451 2006-02-27 Zack Weinberg <zackw@panix.com>
10453 * doc/md.texi: Fix typo in previous change.
10455 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
10459 2006-02-27 Zack Weinberg <zackw@panix.com>
10461 * rtl.def (define_constraint, define_register_constraint)
10462 (define_memory_constraint, define_address_constraint): New MD forms.
10463 * gensupport.c (process_rtx): Put define_constraint etc on the
10465 * genpreds.c (process_define_predicate): Adjust comment. Validate
10466 the name, and call validate_exp to validate the expression.
10467 (mark_mode_tests, write_extract_subexp): Can assume correct input.
10468 (write_predicate_expr): Likewise. NAME argument no longer necessary;
10469 all callers changed.
10470 (validate_exp, needs_variable, struct constraint_data)
10471 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
10472 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
10473 (const_dbl_constraints, constraint_max_namelen)
10474 (have_register_constraints, have_memory_constraints)
10475 (have_address_constraints, have_address_constraints)
10476 (have_extra_constraints, have_const_int_constraints)
10477 (have_const_dbl_constraints, mangle, add_constraint)
10478 (process_define_constraint, process_define_register_constraint)
10479 (write_enum_constraint_num, write_lookup_constraint)
10480 (write_insn_constraint_len, write_regclass_for_constraint)
10481 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
10482 (write_insn_extra_memory_constraint)
10483 (write_insn_extra_address_constraint)
10484 (write_satisfies_constraint_fns): New.
10485 (write_tm_preds_h): If we have new-style constraint definitions,
10486 prototype the functions generated from them, and define the
10487 old constraint interface (still used by generic code) in terms of
10489 (write_insn_preds_c): If we have new-style constraint definitions,
10490 generate all relevant functions from those definitions.
10491 (main): Handle define_constraint etc.
10492 * genoutput.c (struct constraint_data, indep_constraints)
10493 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
10494 (mdep_constraint_len): New data structures and functions, defined
10495 #ifdef USE_MD_CONSTRAINTS.
10496 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
10497 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
10498 use new logic to validate operand constraints against constraint
10500 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
10502 * defaults.h: If none of the old-style constraint macros are
10503 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
10504 old-style macros; and poison REG_CLASS_FROM_LETTER,
10505 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
10507 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
10508 * doc/md.texi: Document new constraint-definition mechanism and the
10509 C interface it provides. Remove references to old mechanism
10510 elsewhere in the document.
10511 (Machine Constraints): Use pathnames relative to gcc directory,
10512 i.e. config/ARCH/FILE. Change i386 section to refer to
10513 config/i386/predicates.md; update that section to match docstrings.
10514 * doc/tm.texi: Move all documentation of the old constraint-
10515 definition macros to their own section, clearly mark as obsolete.
10517 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
10518 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
10520 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
10521 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
10522 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
10523 constraint strings.
10524 (splits and peepholes): Use satisfies_constraint_*.
10525 * config/i386/i386.c (memory_address_length)
10526 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
10528 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10530 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
10531 scalar operation to be put back into the loop.
10533 2006-02-27 Jakub Jelinek <jakub@redhat.com>
10536 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
10537 (extract_cie_info): Handle S flag in augmentation string.
10538 (execute_cfa_program): If context->signal_frame, execute also
10539 fs->pc == context->ra instructions.
10540 (uw_frame_state_for): If context->signal_frame, don't subtract one
10541 from context->ra to find FDE.
10542 (uw_update_context_1): Set context->signal_frame to
10544 (_Unwind_GetIPInfo): New function.
10545 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
10546 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
10548 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
10549 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
10550 * unwind-compat.c (_Unwind_GetIPInfo): New function.
10551 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
10552 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
10553 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
10554 * config/i386/linux-unwind.h (x86_fallback_frame_state,
10555 x86_64_fallback_frame_state): Set fs->signal_frame.
10556 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
10557 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
10558 (frob_update_context): Likewise. Workaround missing S flag in
10559 Linux 2.6.12 - 2.6.16 kernel vDSOs.
10560 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
10561 Remove the psw_addr + 1 hack.
10563 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10565 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
10566 with aggregates here.
10567 (find_func_aliases): Remove code for &<aggregate> from here.
10569 2006-02-26 Roger Sayle <roger@eyesopen.com>
10571 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
10572 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
10573 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
10574 as (X & C) ne/eq 0.
10576 2006-02-26 Roger Sayle <roger@eyesopen.com>
10578 PR middle-end/19983
10579 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
10581 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
10583 * opts.c (decode_options): Do not handle flag_strength_reduce.
10584 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
10585 and OPT_fstrength_reduce.
10586 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
10587 flag_prefetch_loop_arrays for being nonzero.
10588 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
10590 (fprefetch-loop-arrays-rtl): Removed.
10591 (flag_prefetch_loop_arrays): Do not specify the value.
10593 * doc/passes.texi: Update documentation of loop optimizer
10595 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
10596 -frerun-loop-opt): Remove.
10598 2006-02-26 Richard Guenther <rguenther@suse.de>
10600 PR tree-optimization/26421
10601 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
10602 in function calls that are ADDR_EXPRs as using the whole structure.
10604 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
10606 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
10607 * tree-pass.h (pass_loop_optimize): Remove.
10608 * passes.c (pass_loop_optimize): Never run it.
10609 * toplev.c (backend_init): Don't call init_loop.
10610 * opts.c (flag_loop_optimize_set): Remove.
10611 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
10612 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
10613 the old RTL loop optimizer when profiling enabled.
10614 * predict.c (tree_estimate_probability): Always strip builtin_expect.
10615 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
10616 pre-headers for the sake of the old RTL loop optimizer.
10617 * Makefile.in: Remove all references to loop.o.
10619 * doc/invoke.texi: Remove all references to -floop-optimize
10620 and -frerun-loop-opt.
10622 2006-02-26 Zack Weinberg <zackw@panix.com>
10624 * doc/md.texi (Machine Constraints): Refer to all files with paths
10625 relative to gcc directory (i.e. config/CPU/file). Add missing
10626 @table @code ... @end table to M32C subsection.
10628 2006-02-26 Roger Sayle <roger@eyesopen.com>
10630 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
10632 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
10634 2006-02-26 Roger Sayle <roger@eyesopen.com>
10635 James A. Morrison <phython@gcc.gnu.org>
10637 PR middle-end/21137
10638 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
10639 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
10640 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
10641 signedness of the shift operation.
10643 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
10645 PR tree-optimization/26359
10646 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
10648 2006-02-25 Roger Sayle <roger@eyesopen.com>
10650 * simplify-rtx.c (simplify_relational_operation_1): Simplify
10651 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
10652 as X == 0, and some symmetry related transformations.
10653 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
10655 2006-02-25 Roger Sayle <roger@eyesopen.com>
10657 PR middle-end/23673
10658 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
10659 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
10660 symmetry related transformations. Fold (X^C1) == C2 as
10663 2006-02-25 Juergen Weigert <jw@suse.de>
10664 Richard Guenther <rguenther@suse.de>
10666 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
10668 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
10670 * combine.c (gen_lowpart_or_truncate): Call
10671 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
10673 2006-02-24 Diego Novillo <dnovillo@redhat.com>
10675 * doc/invoke.texi: Move -fopenmp description to "Options for
10677 Remove reference to -lgomp.
10679 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10681 * doc/install.texi: Require GNU tar version 1.14.
10683 2006-02-24 Geoffrey Keating <geoffk@apple.com>
10685 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
10686 * doc/invoke.texi (C++ Dialect Options): Document
10687 -fno-use-cxa-get-exception-ptr.
10688 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
10689 * configure: Regenerate.
10690 * c.opt (fuse-cxa-get-exception-ptr): New.
10691 * c-opts.c (c_common_handle_option): Handle
10692 OPT_fuse_cxa_get_exception_ptr.
10693 * c-common.c (flag_use_cxa_atexit): Update documentation.
10694 (flag_use_cxa_get_exception_ptr): New.
10695 * c-common.h (flag_use_cxa_get_exception_ptr): New.
10696 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
10698 (C_COMMON_OVERRIDE_OPTIONS): New.
10700 2006-02-24 Roger Sayle <roger@eyesopen.com>
10702 PR middle-end/24952
10703 * combine.c (try_combine): Explicitly check whether GET_CODE is
10704 a SET or a CLOBBER, instead on checking that it isn't a USE.
10706 2006-02-24 Roger Sayle <roger@eyesopen.com>
10708 * fold-const.c (fold_comparison): New subroutine of fold_binary
10709 containing transformations common to both the equality and
10710 ordering relational operators, factored out of fold_binary.
10711 (fold_binary): Separate out the equality operators (EQ_EXPR
10712 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
10713 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
10714 transformations common to both.
10715 (fold_div_compare): Fix latent bugs in the previously unreachable
10716 LT_EXPR and GE_EXPR cases.
10718 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10720 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
10721 decl libname for clog to __clog on AIX.
10723 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
10725 2006-02-24 Alan Modra <amodra@bigpond.net.au>
10728 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
10729 output traceback table for thunks. Localise rs6000_stack_info call.
10731 2006-02-23 Roger Sayle <roger@eyesopen.com>
10732 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10734 * gthr-posix.h (__gthrw): Fix typo in comment.
10736 2006-02-23 Geoffrey Keating <geoffk@apple.com>
10738 * doc/cpp.texi (Character sets): Document that we do support
10739 input files to be in any character set.
10741 2006-02-23 Jeff Law <law@redhat.com>
10743 * tree.h (PHI_ARG_NONZERO): Remove.
10744 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
10745 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
10746 node to the new node.
10748 PR tree-optimization/26425
10749 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
10750 min/max, then assume its varying.
10752 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10754 PR rtl-optimization/26316
10755 * rtlanal.c (enum may_trap_p_flags): New.
10756 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
10757 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
10758 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
10759 (may_trap_after_code_motion_p): New function.
10760 * loop-invariant.c (find_identical_invariants): Fix dump formating.
10761 (find_invariant_insn): Use may_trap_after_code_motion_p.
10762 * rtl.h (may_trap_after_code_motion_p): Declare.
10764 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10766 * emit-rtl.c (immed_double_const): Cleanup.
10768 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
10770 Fix PR tree-optimization/26376
10771 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
10774 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10776 PR middle-end/26412
10777 * gimplify.c (omp_add_variable): Guard variable size decl test with
10778 DECL_SIZE (decl) check.
10780 2006-02-23 Richard Guenther <rguenther@suse.de>
10782 PR middle-end/26439
10783 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
10784 like aggregate types.
10786 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10788 * configure.ac: Add --with{,out}-long-double-128 configure option.
10789 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
10790 * configure: Rebuilt.
10791 * config.in: Rebuilt.
10792 * doc/install.texi (Options specification): Document
10793 --with-long-double-128.
10795 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
10796 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
10797 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
10798 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
10800 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
10802 * config/s390/s390.c (override_options): Handle
10803 TARGET_DEFAULT_LONG_DOUBLE_128.
10805 * config/alpha/alpha.c (override_options): Handle
10806 TARGET_DEFAULT_LONG_DOUBLE_128.
10808 * config/sparc/sparc.c (sparc_override_options): Handle
10809 TARGET_DEFAULT_LONG_DOUBLE_128.
10811 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
10813 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
10814 (real-install-headers-tar, real-install-headers-cpio)
10815 (real-install-headers-cp): New targets.
10817 2006-02-22 Richard Sandiford <richard@codesourcery.com>
10819 * tree.h (variable_section): Delete.
10820 * varasm.c (variable_section): Delete.
10822 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
10824 * install.texi: Add notes on install.texi2html.
10825 (Building in parallel): Do not use footnotes.
10827 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
10830 * doc/install.texi (Configuration): Document --disable-libgomp.
10832 2006-02-21 Geoffrey Keating <geoffk@apple.com>
10834 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
10836 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10838 * config/i386/sse.md (vec_extractv2df_1_sse): New.
10839 (vec_extractv2df_0_sse): New.
10841 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10843 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
10844 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
10845 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
10846 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
10847 to the result of the expression.
10848 (def_cfa_1): Adjust.
10849 (frame_pointer_cfa_offset): Rename to...
10850 (frame_pointer_fb_offset): ... this. Adjust all uses.
10851 (convert_cfa_to_loc_list): Rename to...
10852 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
10853 Pass it on to build_cfa_loc.
10854 (compute_frame_pointer_to_cfa_displacement): Rename to...
10855 (compute_frame_pointer_to_fb_displacement): ... this. New
10856 offset parameter. Use it in computation.
10857 (gen_subprogram_die): Compute cfa_fb_offset with the new
10858 macro, and use it to compute the fb loc list and the
10861 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
10863 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
10864 replaced with register_operand.
10865 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
10866 non-DREG is expensive.
10867 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
10868 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
10871 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
10873 * doc/install.texi2html: Use set -e.
10875 2006-02-21 Richard Sandiford <richard@codesourcery.com>
10877 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10878 (ASM_OUTPUT_SHARED_LOCAL): Delete.
10879 * doc/invoke.texi (-fshared-data): Delete.
10880 * common.opt (fshared-data): Delete.
10881 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
10882 (assemble_static_space): Remove #if 0 code.
10883 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10884 (ASM_OUTPUT_SHARED_LOCAL): Poison.
10885 * config/cris/cris.h: Remove FIXME.
10887 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
10889 * doc/sourcebuild.texi (Front End Directory): No more double-colon
10892 2006-02-21 Jakub Jelinek <jakub@redhat.com>
10894 PR middle-end/26379
10895 * combine.c (simplify_shift_const_1): Disable nested shifts
10896 optimization for vector shifts.
10898 2006-02-20 Roger Sayle <roger@eyesopen.com>
10900 PR tree-optimization/26361
10901 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
10902 of unsigned integer types.
10904 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
10906 * tree-chrec.c (eq_evolutions_p): New.
10907 * tree-chrec.h (eq_evolutions_p): Declared.
10908 * tree-data-ref.c: Fix formatting.
10909 (datadep_stats, dependence_stats): New.
10911 (print_direction_vector): New.
10912 (dump_data_dependence_relation): Use print_direction_vector.
10913 (object_analysis, create_data_ref): Handle COMPONENT_REF.
10914 (compute_subscript_distance): Static.
10915 (initialize_data_dependence_relation): Static. Get the number
10916 of loops surrounding the references from the callers, and initialize
10917 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
10918 base_object_differ_p analyzers.
10919 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
10920 compute_overlap_steps_for_affine_1_2,
10921 analyze_subscript_affine_affine): Count the classified dependences.
10922 Print a message when a test failed.
10923 (can_use_analyze_subscript_affine_affine): New.
10924 (analyze_siv_subscript): Compute the data dependences on symbolic
10925 scevs that verify can_use_analyze_subscript_affine_affine.
10926 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
10927 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
10928 Handle symbolic scevs.
10929 (analyze_overlapping_iterations): Let symbolic affine scevs to be
10931 (subscript_dependence_tester): Moved...
10932 (build_classic_dist_vector, build_classic_dir_vector): Don't use
10933 lambda_vector_clear on newly allocated vectors. Get nb_loops from
10934 DDR_SIZE_VECT instead of getting it in parameter.
10935 (subscript_dependence_tester): ... here. Take as a parameter
10936 loop_nest_depth. Call build_classic_dist_vector and
10937 build_classic_dir_vector.
10938 (compute_affine_dependence): Update subscript_dependence_tester
10939 parameters. Update datadep_stats counters. Call
10940 compute_subscript_distance.
10941 (compute_self_dependence): Save the dist and dir vectors. Call
10942 compute_subscript_distance.
10943 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
10944 (compute_all_dependences): Reorder parameters as they were before
10945 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
10946 compute_subscript_distance. Update the use of
10947 compute_affine_dependence and initialize_data_dependence_relation.
10948 (find_data_references_in_loop): Handle COMPONENT_REF.
10949 (compute_data_dependences_for_loop): Initialize dependence_stats.
10950 Don't call build_classic_dist_vector and build_classic_dir_vector.
10951 Update the parameters of initialize_data_dependence_relation and
10952 compute_all_dependences. Print the statistics from datadep_stats.
10953 (analyze_all_data_dependences): Static. Not used until the pass for
10954 checking the data dependences is contributed.
10955 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
10956 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
10957 (initialize_data_dependence_relation, compute_affine_dependence,
10958 analyze_all_data_dependences, compute_subscript_distance): Removed.
10959 (print_direction_vector): New.
10960 * lambda.h (gcd): ... here.
10961 (lambda_vector_gcd): Moved here from gcd_vector.
10962 * lambda-code.c (gcd, gcd_vector): Removed.
10963 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
10964 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
10966 2006-02-20 Diego Novillo <dnovillo@redhat.com>
10968 * ipa-type-escape.c: Tidy some comments and white space.
10969 * tree-ssa-operands.c: Likewise.
10971 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
10974 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
10975 (dump_decl_name): Do not walk the decl tree chains.
10976 * tree-pass.h (TDF_CHAIN): Remove.
10978 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10980 * Makefile.in (C): Remove
10982 (.PHONY): Remove C and PROTO
10984 2006-02-20 Roger Sayle <roger@eyesopen.com>
10986 PR middle-end/26236
10987 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
10988 deprecated CHAR_TYPE tree code.
10990 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10992 * configure.ac (target_list): Add install-info, dvi, html.
10993 * configure: Regenerate.
10995 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
10996 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
10997 treelang/Make-lang.in: Do not use double-colon rules.
10999 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11001 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11002 (TMT_USED_ALONE): New macro.
11003 * tree-pass.h (PROP_tmt_usage): New property.
11004 (TODO_update_tmt_usage): New todo.
11005 * tree-ssa-alias.c (updating_used_alone): New variable.
11006 (recalculate_used_alone): New function.
11007 (compute_may_aliases): Set updating_used_alone, call
11008 recalculate_used_alone.
11009 * tree-sra.c (pass_sra): Note that this pass destroys
11010 PROP_tmt_usage, and add TODO_update_tmt_usage.
11011 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11012 * tree-flow.h (updating_used_alone): Prototype.
11013 (recalculate_used_alone): Ditto.
11014 * passes.c (execute_todo): Add code to set updating_used_alone,
11015 and call recalculate.
11016 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11017 for clobber if used alone, and add assert to verify used_alone
11020 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11022 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11023 for non tls symbols added.
11024 (legitimize_address): Do nothing for PLUS expressions if one of the
11025 addends is a tls symbol reference.
11027 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11031 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11033 * Makefile.in (BOOTSTRAPPING): New.
11034 (quickstrap): New definition if BOOTSTRAPPING=yes.
11036 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11037 * configure.ac: Substitute all_selected_languages with the languages
11038 that were configured. For all the other variables except
11039 lang_specs_files, include all the languages in the tree.
11040 * configure: Regenerate.
11042 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11043 if there is one. Run the commands to run fixincludes in the same
11046 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11047 * doc/install.texi: Document exact conventions for searching target tools.
11048 Document --with-build-time-tools. Document toplevel bootstrap. Document
11049 something more about building an Ada cross-compiler. Don't list GNU Make
11050 requirements which affect all platforms.
11052 2006-02-19 Roger Sayle <roger@eyesopen.com>
11054 PR middle-end/19543
11055 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
11056 only equivalent if the have both the same mode and precision.
11058 2006-02-20 Ben Elliston <bje@au.ibm.com>
11060 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
11062 2006-02-19 Roger Sayle <roger@eyesopen.com>
11063 Steven Bosscher <stevenb.gcc@gmail.com>
11065 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
11066 constant pool references to identify stack mode constants.
11067 * rtlanal.c (constant_pool_constant_p): New predicate to check
11068 whether operand is a floating point constant in the pool.
11069 * rtl.h (constant_pool_constant_p): Prototype here.
11070 * loop.c (scan_loop): Avoid hoisting constants from the constant
11071 pool on STACK_REGS targets.
11072 (load_mems): Likewise.
11073 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11074 loads into x87 registers expensive in terms of register pressure.
11076 2006-02-19 Roger Sayle <roger@eyesopen.com>
11078 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11079 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11081 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11083 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11084 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11086 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11088 * doc/invoke.texi: Document -fipa-pta.
11089 * common.opt: Add ipa-pta option.
11090 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11091 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11092 (do_ds_constraint): Ditto.
11093 (get_constraint_for): Only add to referenced_vars if
11094 referenced_vars exists.
11095 (insert_into_field_list): Rewrite to do this unsorted.
11096 (insert_into_field_list_sorted): Rename old insert_into_field_list
11098 (create_function_info_for): Use insert_into_field_list_sorted.
11099 (create_variable_info_for): Rewrite so it uses unsorted version,
11100 since the field list is sorted.
11101 (intra_create_variable_infos): Only add to referenced_vars if
11102 referenced_vars exists.
11103 (ipa_pta_execute): Init heapvars, and delete when done.
11104 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11106 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11108 * doc/install.texi: Add missing `@samp'.
11110 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11112 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11115 2006-02-18 Mark Wielaard <mark@klomp.org>
11117 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11118 who added new 4.1 features, bug fixes and integration support.
11120 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11123 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11124 MEM for ABI_V4 pic.
11126 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11128 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11129 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11130 (copy_insn_1): Likewise. Don't copy each field individually.
11132 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
11134 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
11135 * rtl.c (rtx_size): Rename variable to...
11136 (rtx_code_size): ...this.
11137 (rtx_size): New function.
11138 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
11139 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
11141 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
11142 * rtl.h (rtx_code_size): New variable.
11143 (rtx_size): Change from a variable to a function.
11144 (RTX_SIZE): Rename to...
11145 (RTX_CODE_SIZE): ...this.
11148 PR tree-optimization/17106
11149 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
11150 (Anchored Addresses): New section.
11151 * doc/invoke.texi (-fsection-anchors): Document.
11152 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
11153 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
11154 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
11155 * hooks.c (hook_bool_mode_rtx_false): New function.
11156 * hooks.h (hook_bool_mode_rtx_false): Declare.
11157 * gengtype.c (create_optional_field): New function.
11158 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
11159 SYMBOL_REF_IN_BLOCK_P is true.
11160 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
11161 (min_anchor_offset, max_anchor_offset): Likewise.
11162 (use_anchors_for_symbol_p): New hook.
11163 * toplev.c (compile_file): Call output_object_blocks.
11164 (target_supports_section_anchors_p): New function.
11165 (process_options): Check that -fsection-anchors is only used on
11166 targets that support it and when -funit-at-a-time is in effect.
11167 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
11168 if the decl doesn't have one.
11169 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
11170 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
11171 of force_const_mem through use_anchored_address.
11172 (expand_expr_constant): New function.
11173 (expand_expr_addr_expr_1): Call it. Use the same modifier when
11174 calling expand_expr for INDIRECT_REF.
11175 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
11176 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
11177 * expr.h (use_anchored_address): Declare.
11178 * loop-unroll.c: Don't declare rtx vectors here.
11179 * explow.c: Include output.h.
11180 (validize_mem): Call use_anchored_address.
11181 (use_anchored_address): New function.
11182 * common.opt (-fsection-anchors): New switch.
11183 * varasm.c (object_block_htab, anchor_labelno): New variables.
11184 (hash_section, object_block_entry_eq, object_block_entry_hash)
11185 (use_object_blocks_p, get_block_for_section, create_block_symbol)
11186 (use_blocks_for_decl_p, change_symbol_section): New functions.
11187 (get_variable_section): New function, split out from assemble_variable.
11188 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
11189 use_blocks_for_decl_p say so. Use change_symbol_section if the
11190 symbol has already been created.
11191 (assemble_variable_contents): New function, split out from...
11192 (assemble_variable): ...here. Don't output any code for
11193 block symbols; just pass them to place_block_symbol.
11194 Use get_variable_section and assemble_variable_contents.
11195 (get_constant_alignment, get_constant_section, get_constant_size): New
11196 functions, split from output_constant_def_contents.
11197 (build_constant_desc): Create a block symbol if use_object_blocks_p
11198 says so. Or into SYMBOL_REF_FLAGS.
11199 (assemble_constant_contents): New function, split from...
11200 (output_constant_def_contents): ...here. Don't output any code
11201 for block symbols; just pass them to place_section_symbol.
11202 Use get_constant_section and get_constant_alignment.
11203 (force_const_mem): Create a block symbol if use_object_blocks_p and
11204 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
11205 (output_constant_pool_1): Add an explicit alignment argument.
11206 Don't switch sections here.
11207 (output_constant_pool): Adjust call to output_constant_pool_1.
11208 Switch sections here instead. Don't output anything for block symbols;
11209 just pass them to place_block_symbol.
11210 (init_varasm_once): Initialize object_block_htab.
11211 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
11212 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
11213 (place_block_symbol, get_section_anchor, output_object_block)
11214 (output_object_block_htab, output_object_blocks): New functions.
11215 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
11216 (TARGET_ASM_OUT): Include it.
11217 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
11218 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
11219 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
11220 (TARGET_INITIALIZER): Include them.
11221 * rtl.c (rtl_check_failed_block_symbol): New function.
11222 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
11223 (block_symbol, object_block): New structures.
11224 (rtx_def): Add a block_symbol field to the union.
11225 (BLOCK_SYMBOL_CHECK): New macro.
11226 (rtl_check_failed_block_symbol): Declare.
11227 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
11228 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
11229 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
11230 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
11231 * output.h (output_section_symbols): Declare.
11232 (object_block): Name structure.
11233 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
11234 (default_use_anchors_for_symbol_p): Declare.
11235 * Makefile.in (RTL_BASE_H): Add vec.h.
11236 (explow.o): Depend on output.h.
11237 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
11238 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11239 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11240 (rs6000_use_blocks_for_constant_p): New function.
11242 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11244 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
11246 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11249 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
11252 2006-02-18 Diego Novillo <dnovillo@redhat.com>
11254 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
11258 2006-02-18 Jakub Jelinek <jakub@redhat.com>
11260 PR middle-end/26334
11261 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
11262 instead of DECL_REGISTER.
11264 2006-02-18 Olivier Hainque <hainque@adacore.com>
11267 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
11269 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
11272 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
11273 * opth-gen.awk: Handle Var and InverseMask together.
11274 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
11275 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
11276 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
11277 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
11279 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11280 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11281 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
11282 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11283 LINUX_DYNAMIC_LINKER): Define.
11284 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
11285 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
11287 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11288 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
11289 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11290 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11291 (TARGET_C99_FUNCTIONS): Don't define.
11292 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
11293 GLIBC_DYNAMIC_LINKER.
11294 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
11295 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
11296 GLIBC_DYNAMIC_LINKER64): Define.
11297 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11298 LINUX_DYNAMIC_LINKER64.
11299 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11300 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11301 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
11302 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11303 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11304 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11305 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
11306 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
11307 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
11308 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
11309 and LINUX_DYNAMIC_LINKER32.
11310 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11311 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11312 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
11313 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11314 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
11316 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
11317 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
11318 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11319 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11320 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11321 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
11322 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
11323 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
11324 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11325 LINUX_DYNAMIC_LINKER): Define.
11326 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
11327 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
11328 GLIBC_DYNAMIC_LINKER64): Define.
11329 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11330 LINUX_DYNAMIC_LINKER64.
11331 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11332 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11333 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
11334 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11335 LINUX_DYNAMIC_LINKER): Define.
11336 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11337 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11338 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
11339 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
11340 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
11341 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11342 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
11343 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
11344 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11345 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11346 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11347 * doc/invoke.texi (-muclibc): Remove caveat about supported
11350 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
11352 * doc/cpp.texi (__TIMESTAMP__): Document.
11354 2006-02-17 Roger Sayle <roger@eyesopen.com>
11356 PR middle-end/25600
11357 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
11358 C is one less than the width of X (and related transformations).
11359 * simplify-rtx.c (simplify_unary_operation_1): Transform
11360 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
11361 depending on STORE_FLAG_VALUE, were C is one less then the
11364 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
11366 Fix PR tree-optimization/26341
11367 * tree-ssa-operands.c (add_virtual_operand): Remove assert
11368 about NAME_MEMORY_TAG's.
11370 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11373 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
11374 with hardware float support, and software float support. Add fcpy
11375 alternative to hardware patterns. Add alternatives to copy between
11376 general and floating-point registers to the 32-bit pattern.
11377 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
11378 secondary reload to load a QI or HI mode constant into a floating
11380 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
11381 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
11383 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
11386 * config/rs6000/darwin.md (load_macho_picbase_si): Add
11388 (load_macho_picbase_di): Likewise.
11390 2006-02-16 Jeff Law <law@redhat.com>
11392 * tree-vrp.c (set_value_range_to_nonnegative): New function.
11393 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
11394 (ssa_name_nonzero_p): Likewise.
11395 (get_value_range): Return NULL if VRP is not running.
11396 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
11397 VRP routines do not discover a range.
11398 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
11399 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
11400 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
11401 (tree_expr_nonnegative_p): Similarly.
11402 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
11403 (restore_nonzero_vars_to_original_value): Remove.
11404 (unsafe_associative_fp_binop): Remove.
11405 (tree_ssa_dominator_optimize): Remove initialization and
11406 finalization of nonzero_vars and nonzero_vars_stack.
11407 (dom_opt_initialize_block): No longer push marker on
11408 nonzero_vars_stack.
11409 (dom_opt_finalize_block): No longer call
11410 restore_nonzero_vars_to_original_value.
11411 (record_equivalences_from_phis): No longer look for
11412 nonzero PHI arguments.
11413 (cprop_into_successor_phis): No longer propagate nonzero
11414 property into PHI arguments. Lose unused argument. Caller
11416 (record_equivalences_from_stmt): No longer record nonzero
11417 values for SSA_NAMEs.
11418 (lookup_avail_expr): No longer use nonzero_vars.
11420 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
11421 for sizetype when sizetype is unsigned.
11423 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
11425 PR rtl-optimization/25603
11426 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
11427 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
11428 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
11429 with new meaning of SETS.
11431 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
11436 * config/linux.opt: New file.
11437 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
11438 LINUX_DYNAMIC_LINKER): Define.
11439 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
11440 * config.gcc (*-*-linux*): Define extra_options.
11441 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
11442 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
11443 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
11444 GLIBC_DYNAMIC_LINKER.
11445 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
11446 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11447 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11448 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11449 * doc/invoke.texi (GNU/Linux Options): New section.
11451 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
11453 * config/sparc/sparc.md (setjmp): Rewrite.
11454 (setjmp_32): Delete.
11455 (setjmp_64): Likewise.
11457 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
11459 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
11462 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11464 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
11467 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11469 PR rtl-optimization/26296
11470 * Makefile.in (loop-invariant.c): Add except.h dependency.
11471 * loop-invariant.c: Include except.h.
11472 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
11474 2005-02-16 Paul Brook <paul@codesourcery.com>
11476 * reload1.c (emit_reload_insns): Invalidate dead input registers used
11479 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
11481 PR rtl-optimization/25636
11482 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
11483 when deciding whether an insn is an initializing insn.
11485 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
11487 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
11488 (tree_code_size): Ditto.
11489 * tree.h (struct tree_memory_tag): Remove parent_var.
11490 (struct tree_struct_field_tag): New.
11493 (union tree_node): Add sft member.
11494 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
11496 (create_sft): Add size and offset argument, set SFT_OFFSET and
11498 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
11499 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
11500 * tree-flow-inline.h (get_subvar_at): Update for
11501 SFT_OFFSET/SFT_SIZE.
11502 (var_can_have_subvars): Ditto.
11503 (overlap_subvar): Ditto.
11504 * print-tree.c (print_node): Print out interesting things for
11506 * tree-flow.h (struct subvar): Remove offset and size members.
11507 * tree-ssa-operands.c (get_expr_operands): Update for
11508 get_indirect_ref_operands changes.
11509 (get_indirect_ref_operands): Call add_virtual_operand instead of
11510 add_stmt_operand. Only recurse on base var if requested.
11511 (access_can_touch_variable): New function.
11512 (add_stmt_operand): Split virtual operand handling into ...
11513 (add_virtual_operand): Here. Add offset, size, and for_clobber
11514 arguments. Prune alias sets.
11515 (add_call_clobber_ops): Call add_virtual_operand.
11517 2006-02-15 Jakub Jelinek <jakub@redhat.com>
11519 PR middle-end/26300
11520 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
11522 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
11523 than TREE_CODE as index into omp_clause_num_ops array.
11525 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
11527 PR rtl-optimization/26184
11528 * modulo-sched.c (generate_reg_moves): Free bitmap vector
11530 * modulo-sched.c (sms_schedule): Free g_arr pointer.
11531 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
11532 must_precede, must_follow and tobe_scheduled.
11535 * opts.c (common_handle_option): Free new_option pointer.
11536 * df-core.c (df_analyze): Free postorder pointer.
11538 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11540 * Makefile.in: Fix the examples about the use of stamps
11542 2006-02-15 Michael Matz <matz@suse.de>
11544 PR middle-end/22275
11546 * stor-layout.c (layout_decl): Zero-width bitfields aren't
11547 influenced by maximum_field_alignment or DECL_PACKED.
11548 (update_alignment_for_field): Ditto.
11549 (place_field): Ditto.
11550 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
11553 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
11555 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
11556 (debug_flow_info): Pass it.
11557 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
11558 * bb-reorder.c (reorder_basic_blocks): Likewise.
11559 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
11560 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
11561 * flow.c (life_analysis, recompute_reg_usage): Likewise.
11562 * gcse.c (gcse_main, bypass_jumps): Likewise.
11563 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
11564 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
11565 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
11566 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
11567 * rtl.h (dump_flow_info): Adjust prototype.
11568 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
11569 * var-tracking.c (variable_tracking_main): Likewise.
11570 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
11571 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
11574 2006-02-15 Marcin Dalecki <martin@dalecki.de>
11576 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
11579 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11581 PR tree-optimization/26209
11582 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
11583 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
11585 * tree-cfg.c (replace_uses_by): Do not alter cfg.
11587 2006-02-14 Roger Sayle <roger@eyesopen.com>
11589 PR middle-end/23670
11590 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
11591 (X,Y) and the corresponding symmetry related transformations.
11592 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
11593 (X,Y) and its symmetry related transformations.
11595 2006-02-14 Roger Sayle <roger@eyesopen.com>
11597 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
11600 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
11602 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
11604 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11607 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
11608 support COMDAT group.
11609 * configure: Regenerate.
11611 2006-02-14 Roger Sayle <roger@eyesopen.com>
11613 PR middle-end/26279
11614 PR middle-end/26280
11615 PR middle-end/26283
11616 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
11618 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
11620 Fix PR tree-optimization/26260
11622 * doc/invoke.texi (max-fields-for-field-sensitive): Document
11624 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
11625 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
11626 * tree-ssa-structalias.c (create_variable_info_for): Use
11627 MAX_FIELDS_FOR_FIELD_SENSITIVE.
11629 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11631 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
11633 * tree-ssa-loop-niter.c (number_of_iterations_ne,
11634 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
11635 of the ending condition.
11636 * tree-ssa-loop-manip.c: Include params.h.
11637 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
11638 tree_unroll_loop): New functions.
11639 * tree-pass.h (pass_loop_prefetch): Declare.
11640 * loop.c (rest_of_handle_loop_optimize): Test for
11641 -fprefetch-loop-arrays-rtl.
11642 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
11643 * timevar.def (TV_TREE_PREFETCH): New timevar.
11644 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
11645 pass_loop_prefetch): New.
11646 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
11647 (cleanup_tree_cfg_loop): Call scev_reset.
11648 * common.opt (fprefetch-loop-arrays-rtl): Add.
11649 * tree-ssa-loop-prefetch.c: New file.
11650 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
11651 (new_temp_expr_table): Initialize expr_vars.
11652 (free_temp_expr_table): Cleanup expr_vars.
11653 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
11654 expressions from being merged into one.
11655 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
11656 (struct tree_niter_desc): Add control, bound and cmp fields.
11657 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
11659 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
11660 (tree-cfgcleanup.o): Add SCEV_H dependency.
11661 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
11662 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
11664 2006-02-14 Richard Guenther <rguenther@suse.de>
11666 PR tree-optimization/26258
11667 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
11668 in PHI argument processing.
11670 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
11672 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
11673 new expression in the requested machine mode.
11675 2006-02-13 Roger Sayle <roger@eyesopen.com>
11677 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
11678 directly, instead let do_compare_rtx_and_jump handle this for us.
11679 * expr.c (expand_expr_real_1): Likewise.
11680 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
11681 before do_jump_by_parts_greater.
11682 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
11683 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
11685 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11687 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
11689 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11691 PR rtl-optimization/26235
11692 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
11693 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
11696 2006-02-13 Jeff Law <law@redhat.com>
11698 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
11701 2006-02-13 Jakub Jelinek <jakub@redhat.com>
11703 PR middle-end/26092
11704 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
11705 twice if decl is a builtin. When trying again, call get_callee_fndecl
11706 first to verify it is still a builtin.
11708 2006-02-13 Geoffrey Keating <geoffk@apple.com>
11710 * dwarf2out.c (base_type_die): Don't add AT_name here.
11711 (subrange_type_die): Don't add AT_name here.
11712 (modified_type_die): Rearrange code flow. Do add AT_name here.
11714 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11716 PR rtl-optimization/26247
11717 PR rtl-optimization/26248
11718 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
11720 2006-02-13 Richard Sandiford <richard@codesourcery.com>
11722 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
11723 * config/fixtfdi.c: Likewise.
11724 * config/fixunstfdi.c: Likewise.
11725 * config/floatditf.c: Likewise.
11727 2006-02-13 Roger Sayle <roger@eyesopen.com>
11729 PR middle-end/24427
11730 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
11731 into (X,C2) if C1 is a subset of the bits of C2. Transform
11732 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
11734 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
11736 2006-02-13 Josh Conner <jconner@apple.com>
11739 * varasm.c (function_section): Check for section name before
11740 calling select_section on targets that define
11741 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
11742 unlikely_text_section instead of hot_function_section if
11743 first_function_block_is_cold.
11745 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
11747 PR middle-end/25335
11748 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
11750 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11752 PR rtl-optimization/26222
11753 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
11754 after tree->rtl expansion.
11755 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
11756 before passing it to emit_move_insn.
11758 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
11760 * doc/invoke.texi (-Write-strings): Document that it is enabled by
11762 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
11763 Clarify documentation.
11764 * c-common.h (warn_write_strings): Remove.
11765 * c-common.c (warn_write_strings): Likewise.
11766 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
11769 2006-02-12 Roger Sayle <roger@eyesopen.com>
11771 PR middle-end/25724
11772 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
11773 (do_jump_parts_zero_rtx): New function renamed from
11774 do_jump_parts_equality_rtx. Made static. Add a mode argument.
11775 (do_jump_parts_equality_rtx): New function split out from
11776 do_jump_parts_equality. Old implementation renamed as above.
11777 Call do_jump_parts_zero_rtx if either operand is zero.
11778 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
11779 do all of the heavy lifting.
11780 (do_compare_rtx_and_jump): Handle multi-word comparisons by
11781 calling either do_jump_by_parts_greater_rtx or
11782 do_jump_by_parts_equality_rtx.
11783 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
11784 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
11785 moved to do_compare_rtx_and_jump, call it directly.
11786 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
11787 mode argument. Call do_compare_rtx_and_jump.
11788 (emit_case_nodes): Update calls to do_jump_if_equal.
11790 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11792 PR rtl-optimization/26225
11793 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
11795 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11797 PR rtl-optimization/26232
11798 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
11800 2006-02-11 Jason Merrill <jason@redhat.com>
11803 * tree-inline.c (declare_return_variable): Just don't use the
11804 modify target if it's a gimple complex reg and the return slot
11807 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11809 * doc/contrib.texi: Update my entry.
11811 2006-02-10 Geoffrey Keating <geoffk@apple.com>
11813 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
11815 2006-02-10 Diego Novillo <dnovillo@redhat.com>
11817 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
11820 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
11822 * doc/invoke.texi (-floop-optimize2): Removed.
11823 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
11824 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
11825 Test flag_branch_on_count_reg only if HAVE_doloop_end.
11826 * common.opt (floop-optimize2): Removed.
11827 (fmove-loop-invariants): Enabled by default.
11829 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
11831 * tree-if-conv.c (combine_blocks): Free the result of
11832 get_loop_exit_edges.
11834 2006-02-10 Jeff Law <law@redhat.com>
11836 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
11838 PR tree-optimization/26213
11839 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
11840 loop trying to follow SSA_NAME_VALUE chains.
11842 2006-02-10 Richard Guenther <rguenther@suse.de>
11844 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
11845 deal with structures that end in implicitly variable sized arrays.
11847 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11849 PR rtl-optimization/24762
11850 * df-scan.c (df_bb_refs_record): Record correct registers defined on
11853 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11855 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
11856 (struct ivopts_data): Add regs_used field.
11857 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
11858 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
11859 instead of loop_data->regs_used;
11860 (free_loop_data): Do not free aux fields for loops.
11861 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
11862 and tree_ssa_iv_optimize_finalize.
11864 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
11866 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
11868 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11871 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
11872 computing the effective result type.
11874 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11876 PR inline-asm/16194
11877 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
11878 (tree_overlaps_hard_reg_set): Declare.
11879 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
11880 type and signature to match function type expected by walk_tree.
11881 (tree_overlaps_hard_reg_set): New function.
11882 (decl_conflicts_with_clobbers_p): Rename to:
11883 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
11884 Use tree_overlaps_hard_reg_set. Changed caller.
11885 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
11886 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
11887 * cris.c (cris_md_asm_clobbers): Likewise.
11889 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
11891 * reload1.c (emit_input_reload_insns): Delete code that tries to
11892 inherit using find_equiv_reg.
11894 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
11896 * c-common.h (flag_const_strings): Don't declare.
11897 * c-common.c (flag_const_strings): Remove.
11898 * c.opt (fconst_strings): Remove.
11899 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
11900 <OPT_Wwrite_strings>: Don't set flag_const_strings.
11901 (c_common_init_options): Don't set flag_const_strings.
11902 * doc/invoke.texi (-fno-const-strings): Remove documentation.
11904 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
11906 * arm.md (tlobits_cbranch): New pattern.
11907 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
11908 testing a single bit.
11910 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11913 * tree-ssa-pre.c (create_component_ref_by_pieces):
11914 Handle RETURN_DECL like VAR_DECL.
11916 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11918 PR middle-end/26134
11919 * fold-const.c (fold_indirect_ref_1): Fold
11920 "*(foo *)&complexfoo" to "__real__ complexfoo"
11921 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
11923 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11925 * tree-flow-inline.h (var_can_have_subvars):
11926 Volatile variables should not have subvariables.
11928 2006-02-09 Diego Novillo <dnovillo@redhat.com>
11931 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
11932 multiplying unsigned values.
11935 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
11937 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
11939 2006-02-08 Jason Merrill <jason@redhat.com>
11942 * tree.def: Elaborate on difference from MODIFY_EXPR.
11943 * doc/c-tree.texi (INIT_EXPR): Likewise.
11944 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
11945 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
11946 (gimplify_target_expr): Likewise.
11947 (gimplify_cond_expr): Remove target handling.
11948 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
11949 (gimplify_expr): Clobber it here.
11950 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
11951 Do return slot optimization if we have an INIT_EXPR.
11954 * tree-inline.c (declare_return_variable): Also clear
11955 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
11958 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
11960 PR middle-end/22439
11961 * gimplify.c (gimplify_one_sizepos): Fix typo.
11963 2006-02-08 Jeff Law <law@redhat.com>
11965 PR tree-optimization/21417
11966 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
11967 across a backedge if the control statement at the end of the
11968 block is data dependent on other statements in the same block.
11969 (record_temporary_equivalences_from_stmts): Remove over-conservative
11970 test for threading across backedges.
11972 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
11973 control statement, handle all three special cases in the same
11974 manner as they all have the same desired solution. No longer
11975 special case edge flag updating when the post dominator is
11978 2006-02-08 Roger Sayle <roger@eyesopen.com>
11980 * tree.def (CHAR_TYPE): Remove.
11981 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
11982 * dwarf2out.c (base_type_die, is_base_type): Likewise.
11983 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
11984 (gen_string_type_die): Delete unreachable function.
11986 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
11987 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
11988 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
11989 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
11990 * builtins.c (type_to_class): Likewise.
11991 * fold-const.c (fold_convert, build_range_check,
11992 merge_ranges): Likewise.
11993 * expr.c (count_type_elements): Likewise.
11994 * c-pretty-print.c (pp_c_type_specifier): Likewise.
11995 * stor-layout.c (layout_type): Likewise.
11996 * ipa-type-escape.c (type_to_consider): Likewise.
11997 * gimplify.c (omp_firstprivatize_type_sizes,
11998 gimplify_type_sizes): Likewise.
11999 * explow.c (promote_mode): Likewise.
12000 * tree-sra.c (is_sra_scalar_type): Likewise.
12001 * varasm.c (output_constant): Likewise.
12002 * tree-inline.c (remap_type_1): Likewise.
12003 * convert.c (convert_to_pointer, convert_to_real,
12004 convert_to_integer, convert_to_complex): Likewise.
12006 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12008 * df-scan.c (df_def_record_1): A set destination may
12009 be a parallel regardless of mode.
12011 2006-02-08 Roger Sayle <roger@eyesopen.com>
12014 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12015 * config/mips/_tilib.c: Remove.
12016 * config/fixtfdi.c: New libgcc source file.
12017 * config/fixunstfdi.c: New source file.
12018 * config/floatditf.c: New source file.
12019 * config/floatunditf.c: New souce file.
12020 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12021 files above instead of config/mips/_tilib.c.
12022 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12024 2006-02-08 Jeff Law <law@redhat.com>
12026 PR tree-optimization/26169
12027 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12030 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12032 * df.h (DF_REG_SIZE): Return the length of the initialized
12035 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12037 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12038 __muldf3): Return a correctly signed zero.
12040 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12042 * passes.c (register_one_dump_file): Accept the current properties
12043 instead of pass number. Adjust call to dump_register. Remove
12045 (register_dump_files): Now a wrapper around...
12046 (register_dump_files_1): ... this one. Do not modify the pass
12048 (next_pass_1): Cosmetic fix.
12049 (execute_todo): Keep second parameter only. Use curr_properties
12050 instead of fetching it from the pass structure. Check and set
12052 (execute_one_pass): Handle TODO_set_props. Use curr_properties
12053 instead of fetching it from the pass structure. Fix calls to
12054 execute_todo. Update curr_properties and initialize .vcg RTL dump
12055 after running the pass. Reset last_verified.
12056 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
12058 (FIRST_AUTO_NUMBERED_DUMP): New.
12059 (dump_register): Remove "num" parameter, assign it within the
12061 (get_dump_file_name): Modify template for dumps.
12062 * tree-dump.h (dump_register): Adjust prototype.
12063 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
12064 (PROP_trees): Add PROP_gimple_lomp.
12065 (TODO_set_props): New.
12066 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
12067 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
12068 * cfgexpand.c (pass_expand): Destroy PROP_trees.
12070 2006-02-08 Jakub Jelinek <jakub@redhat.com>
12072 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
12073 (sparc64-*-linux*): Likewise.
12074 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12075 * config/sparc/t-linux: New file.
12076 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12077 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12078 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12079 -m32 -mlong-double-128.
12081 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12082 * config/alpha/t-linux: New file.
12083 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12085 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12086 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12087 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12088 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12089 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12090 (CPP_ARCH32_SPEC): Remove.
12092 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12094 PR tree-optimization/26145
12095 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12098 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12101 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12102 >= 240000 when generating code for SOM runtime.
12103 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12104 to $$dyncall when generating code for SOM runtime..
12106 2006-02-07 Dirk Mueller <dmueller@suse.com>
12109 * doc/invoke.texi (-Wsequence-point): Update documentation
12110 that -Wsequence-point is implemented for C++ as well.
12112 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12114 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12115 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12116 (LIB_SPEC): Likewise.
12117 * doc/invoke.texi (SPARC options): Document -pthread.
12119 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12121 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12124 2006-02-07 Roger Sayle <roger@eyesopen.com>
12126 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12127 Correct comment describing BOOLEAN_TYPE.
12129 2006-02-07 Dirk Mueller <dmueller@suse.com>
12131 * c.opt: C++ frontend supports -Wdiv-by-zero.
12132 * c-opts.c (c_common_handle_option): Remove dead case.
12134 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12136 * configure.ac (TLS assembler check): Do not enable TLS by
12137 default on SPARC/Solaris before version 10.
12138 * configure: Regenerate.
12140 2006-02-07 David Edelsohn <edelsohn@gnu.org>
12142 * doc/invoke.texi (xl-compat): Document conversion and support
12145 2006-02-07 Jeff Law <law@redhat.com>
12147 * tree-vrp.c (find_conditional_asserts): Update comments.
12148 (simplify_stmt_for_jump_threading): New.
12149 (identify_jump_threads, finalize_jump_threads): New.
12150 (vrp_finalize): Call identify_jump_threads.
12151 (execute_vrp): Call finalize_jump_threads.
12152 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
12153 (vrp_element, vrp_data, vrp_element_p): Remove.
12154 (vrp_hash_elt, vrp_variables_stack): Remove.
12155 (vrp_hash, vrp_eq, record_range): Remove.
12156 (simplify_cond_and_lookup_avail_expr): Remove.
12157 (extract_range_from_cond): Remove.
12158 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
12159 (simplify_stmt_for_jump_threading): New.
12160 (dom_thread_across_edge): New wrapper.
12161 (tree_ssa_dominator_optimize): No longer initialize or
12162 finalize any of the VRP datastructures. Remove iteration
12163 step and simplify as a result of removal of iteration step.
12164 (pass_dominator): Perform a cfg cleanup after DOM.
12165 (dom_opt_finalize_block): Use the new common routines
12166 for threading jumps. Simplify stack management slightly.
12167 No longer need to unwind VRP state.
12168 (record_equivalences_from_incoming_edge): No longer record
12170 (eliminate_redundant_computations): No longer call
12171 simplify_cond_and_lookup_avail_expr.
12172 * tree-flow.h (potentially_threadable_block): Prototype.
12173 (thread_across_edge): Likewise.
12174 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
12175 (tree-ssa-threadedge.o): Add dependencies.
12176 * tree-ssa-threadedge.c: New file.
12177 * passes.c (init_optimization_passes): Merge PHIs before
12178 calling VRP. Run VRP again late in the SSA optimization pipeline.
12180 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12182 * df-core.c (df_set_blocks): Do not dereference function pointers.
12183 (df_finish1): Likewise.
12184 (df_hybrid_search_forward): Likewise.
12185 (df_hybrid_search_backward): Likewise.
12186 (df_iterative_dataflow): Likewise.
12187 (df_analyze_problem): Likewise.
12188 (df_compact_blocks): Likewise.
12189 (df_dump): Likewise.
12190 * df-scan.c (df_rescan_blocks): Likewise.
12191 (df_record_entry_block_defs): Likewise.
12193 * genconditions.c (write_conditions): Guard the definition of
12194 'insn_conditions' with the check on GCC version.
12195 (write_writer): Guard the traversal 'insn_conditions' with
12196 the check on GCC version.
12198 2006-02-07 Richard Guenther <rguenther@suse.de>
12202 2006-01-30 Richard Guenther <rguenther@suse.de>
12204 * gimplify.c (gimplify_target_expr): Handle easy cases
12205 without creating a temporary.
12207 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
12209 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
12210 use of float in probability computations. Use edge probabilities
12211 in place of statically computed probabilities.
12212 (min_spec_prob): New static variable.
12213 (schedule_insns): Initialize it.
12214 (GET_SRC_PROB): Removed.
12215 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
12217 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
12220 * config/ia64/unwind-ia64.c: Revert last change.
12221 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
12222 (INCOMING_FRAME_SP_OFFSET): Define.
12224 2006-02-06 Roger Sayle <roger@eyesopen.com>
12226 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
12228 2006-02-07 Ben Elliston <bje@au.ibm.com>
12230 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
12231 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
12232 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
12233 (ix86_return_in_memory): Handle TDmode.
12234 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
12235 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
12237 2006-02-06 Richard Sandiford <richard@codesourcery.com>
12239 * reorg.c (dbr_schedule): Use dump_file instead of file.
12241 2006-02-06 Steve Ellcey <sje@cup.hp.com>
12244 * config/ia64/predicates.md (extr_len_operand): New predicate.
12245 * config/ia64/ia64.md (extv): Tighten constraints.
12247 (*tbit_and_2): Ditto.
12248 (*tbit_and_3): Ditto.
12249 (*tbit_or_2): Ditto.
12250 (*tbit_or_3): Ditto.
12251 (*bit_zero): Ditto.
12254 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
12257 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
12259 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
12261 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
12262 loop_optimizer_init and loop_optimizer_finalize
12263 * tree-ssa-sink.c (execute_sink_code): Ditto.
12264 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12265 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
12266 tree_ssa_loop_done): Ditto.
12267 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
12268 * sched-ebb.c: Include output.h.
12269 (schedule_ebbs): Do not use dump argument.
12270 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
12271 * loop.c (loop_dump_stream): Removed.
12272 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
12274 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
12275 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
12276 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
12277 loop_iterations, strength_reduce, record_biv, record_giv,
12278 final_giv_value, check_final_value, check_ext_dependent_givs,
12279 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
12280 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
12281 dump_file instead of loop_dump_stream.
12282 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
12283 argument dump_file.
12284 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
12286 * flow.c (life_analysis, rest_of_handle_life): Ditto.
12287 * haifa-sched.c: Include output.h
12288 (schedule_insns, sched_init): Do not use dump argument.
12289 * mode-switching.c (optimize_mode_switching): Ditto.
12290 * modulo-sched.c (stats_file): Removed.
12291 (print_node_sched_params): Do not call argument dump_file.
12292 (sms_schedule_by_order, loop_canon_p, sms_schedule,
12293 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
12295 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
12297 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
12298 rtl_loop_init, rtl_loop_done): Ditto.
12299 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
12300 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
12302 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
12303 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
12304 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
12305 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
12306 * emit-rtl.c (renumber_insns): Ditto.
12307 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
12308 expand_gimple_basic_block, tree_expand_cfg): Ditto.
12309 * regclass.c (regclass): Ditto.
12310 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
12311 remove_ssa_form, rewrite_out_of_ssa): Ditto.
12312 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
12313 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
12315 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
12316 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
12318 * gcse.c (gcse_file, debug_stderr): Removed.
12319 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
12320 rest_of_handle_gcse): Do not use dump argument.
12321 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
12322 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
12323 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
12324 compute_code_hoist_vbeinout, compute_code_hoist_data,
12325 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
12326 compute_store_table, build_store_vectors, insert_insn_start_bb,
12327 insert_store, remove_reachable_equiv_notes, replace_store_insn,
12328 store_motion): Use dump_file instead of gcse_file.
12329 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
12330 * profile.c (profile_dump_file): Removed.
12331 (branch_prob): Use dump_file instead of profile_dump_file.
12332 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
12334 * tree-ssa-copy.c (dump_copy_of): Ditto.
12335 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
12336 dump file to life_analysis.
12337 * bt-load.c (branch_target_load_optimize): Ditto.
12338 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
12340 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
12341 regclass, dbr_schedule): Declaration changed.
12342 * sched-int.h (sched_init): Declaration changed.
12343 * tree-profile.c (tree_profile_dump_file): Removed.
12344 (tree_profile_hooks): Removed profile_dump_file hook.
12345 * rtl-profile (rtl_profile_dump_file): Removed.
12346 (rtl_profile_hooks): emoved profile_dump_file hook.
12347 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
12349 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
12350 * tree-cfg.c (build_tree_cfg): Ditto.
12351 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
12352 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
12353 Declaration changed.
12354 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
12355 life_analysis and schedule_insns.
12356 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
12358 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
12360 * config/mips/mips.c (mips_reorg): Ditto.
12361 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
12364 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
12366 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12367 (s390_mangle_fundamental_type): New.
12368 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12371 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12372 (alpha_mangle_fundamental_type): New.
12373 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12376 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12378 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12380 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12381 (sparc_mangle_fundamental_type): New.
12383 2006-02-06 Jakub Jelinek <jakub@redhat.com>
12385 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
12386 (s390x-*-linux*): Likewise.
12387 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
12388 * config/s390/t-linux: New file.
12390 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12392 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
12393 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
12395 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
12397 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
12398 (ANTIC_SAFE_LOADS): New macro.
12399 (find_or_generate_expression): Add prototype.
12400 (set_contains_value): Allow null set for sake of not always having
12401 to allocate ANTIC_SAFE_LOADS.
12402 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
12403 Allow COMPONENT_REF too.
12404 (valid_in_set): Allow COMPONENT_REF.
12405 Check ANTIC_SAFE_LOADS too.
12406 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
12407 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
12409 (can_PRE_operation): Add COMPONENT_REF.
12410 (create_component_ref_by_pieces): New function.
12411 (create_expression_by_pieces): Use create_component_ref_by_pieces.
12412 (insert_aux): Move AGGREGATE_TYPE_P check here.
12413 (compute_avail): Set bb local stmt uids.
12414 (pass_pre): Use TODO_update_ssa_only_virtuals.
12416 2006-02-06 Ben Elliston <bje@au.ibm.com>
12418 * configure.ac: Unconditionally disable decimal float by default.
12419 * configure: Regenerate.
12421 2006-02-06 Ben Elliston <bje@au.ibm.com>
12423 * read-rtl.c (read_name): Terminate reading on EOF.
12425 2006-02-06 Ben Elliston <bje@au.ibm.com>
12427 * dfp.c (decimal_real_arithmetic): Change second argument type
12428 from int to enum tree_code. Do not always return true, but now
12429 return result of any call to decimal_do helper functions.
12430 * dfp.h (decimal_real_arithmetic): Update prototype.
12432 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
12434 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
12436 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
12439 * tree-cfg.c (cleanup_dead_labels): Also don't remove
12442 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12444 * tree-vrp.c (cfg_loops): Removed.
12445 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
12446 Use current_loops instead of cfg_loops. Pass flags to
12447 loop_optimizer_init.
12448 * cfgloopmanip.c (fix_loop_structure): Update only available
12450 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
12451 loop_optimizer_init.
12452 * modulo-sched.c (build_loops_structure): Removed.
12453 (sms_schedule): Use loop_optimizer_init.
12454 * loop-init.c (loop_optimizer_init): Use flags to determine
12455 which properties of loops to prepare.
12456 (rtl_loop_init): Pass flags to loop_optimizer_init.
12457 * tree-ssa-sink.c (execute_sink_code): Ditto.
12458 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
12459 * tree-ssa-pre.c (init_pre): Ditto.
12460 * cfgloop.h (LOOPS_NORMAL): New.
12461 (loop_optimizer_init): Declaration changed.
12463 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12465 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
12466 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
12468 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
12470 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
12472 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
12473 * pa/t-pa64: Delete quadlib.c rule.
12474 * pa/x-ada: Revert last change.
12475 * pa/t-pa: Revert last change. Delete quadlib.c rule.
12477 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12479 PR rtl-optimization/26087
12480 * rtlanal.c (canonicalize_condition): Do not cross basic block
12483 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
12486 * config/ia64/ia64.c: Include debug.h.
12487 (MAX_ARTIFICIAL_LABEL_BYTES): New.
12488 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
12489 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
12490 (process_epilogue, process_set, process_for_unwind_directive):
12491 Output unwind info only if requested. Add CFA info if requested.
12492 Add new arguments as needed. Adjust callers.
12493 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
12495 (DWARF2_FRAME_INFO): Define to zero.
12496 * config/ia64/unwind-ia64.c: Remove code that compensated for
12497 the CFA offset error fixed above.
12498 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
12499 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
12500 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
12501 -funwind-tables and -fexceptions to enable frame info.
12502 (dwarf2out_frame_init): Define initial CFA even if
12503 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
12504 DWARF2_UNWIND_INFO is nonzero, not just defined.
12505 (dwarf2out_frame_finish): Output non-EH call frame info only
12506 if DWARF2_FRAME_INFO is nonzero.
12507 (convert_cfa_to_loc_list,
12508 compute_frame_pointer_to_cfa_displacement): Define even if
12509 unwind info is not supported.
12510 (gen_subprogram_die): Use the above unconditionally. Remove
12511 legacy alternate code.
12512 * toplev.c (compile_file): Compile in call to
12513 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
12514 (lang_dependent_init): Ditto for dwarf2out_frame_init.
12516 2006-02-04 David Edelsohn <edelsohn@gnu.org>
12517 Jakub Jelinek <jakub@redhat.com>
12519 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
12520 IBM extended float format long double as "g" on powerpc*-linux.
12522 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12525 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
12526 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
12528 2006-02-03 Jason Merrill <jason@redhat.com>
12531 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
12533 PR middle-end/25977
12534 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
12535 on the return slot if it's an NRV.
12537 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
12539 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
12540 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
12541 rewrite_use): Do not handle USE_OUTER.
12542 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
12543 add_iv_outer_candidates, may_replace_final_value,
12544 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
12545 (find_interesting_uses_op): Functionality of
12546 find_interesting_uses_outer_or_nonlin moved here.
12547 (find_interesting_uses_outside): Use find_interesting_uses_op.
12549 2006-02-03 Alan Modra <amodra@bigpond.net.au>
12552 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
12554 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
12555 Ulrich Weigand <uweigand@de.ibm.com>
12558 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
12559 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
12560 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
12561 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
12563 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
12564 (s390_rtx_costs): Use the new fields to calculate rtx costs.
12565 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
12566 Define secondary reloads for TFmode moves.
12567 (constant_modes): Add TFmode.
12568 (NR_C_MODES): Set to 8.
12569 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
12571 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
12572 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
12573 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
12574 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
12575 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
12576 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
12577 (FPR mode macro): Add TFmode.
12578 (DSF mode macro): New.
12579 (<de>, <dee> mode attributes): Removed.
12580 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
12581 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
12582 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
12583 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
12584 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
12585 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
12586 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
12587 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
12588 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
12589 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
12590 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
12591 "*negabs<mode>2", "sqrt<mode>2"):
12592 Changed <de> to <xde>. R constraint replaced by <Rf>.
12593 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
12595 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
12596 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
12597 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
12599 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
12600 "extenddftf2", "extendsftf2"): New expanders.
12601 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
12602 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
12603 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
12604 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
12606 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
12607 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
12608 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
12609 __floatditf): Add a GCC_4.1.0 symbol version tag.
12610 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
12613 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
12616 * config/i386/i386.c (ix86_function_ok_for_sibcall):
12617 Use targetm.binds_local_p instead of TREE_PUBLIC.
12619 2006-02-02 Roger Sayle <roger@eyesopen.com>
12621 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
12622 on INTEGER_TYPEs to indicate that it denotes a character type.
12623 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
12624 signed_char_type_node, unsigned_char_type_node and char_type_node.
12625 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
12626 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
12627 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
12629 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
12630 Daniel Berlin <dberlin@dberlin.org>
12632 * tree-tailcall.c (arg_needs_copy_p): New function.
12633 (eliminate_tail_call): Use arg_needs_copy_p.
12634 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
12635 (add_virtual_phis): New function.
12637 2006-02-02 Jakub Jelinek <jakub@redhat.com>
12639 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
12640 #ignore instead of #scratch for %g7 .register directive.
12642 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
12644 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
12647 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12649 * flow.c (calculate_global_regs_live): Assert that there aren't any
12652 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
12654 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
12655 what its name says.
12656 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
12657 bsi_after_labels iterator.
12658 * tree-if-conv.c (find_phi_replacement_condition,
12659 replace_phi_with_cond_modify_expr): Likewise.
12660 * tree-scalar-evolution.c (scev_const_prop): Likewise.
12661 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
12663 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12665 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
12667 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12670 * tree-cfg.c (move_block_to_fn): Clear out the basic block
12671 array after growing it.
12673 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12675 PR middle-end/24901
12676 * fold-const.c (fold_checksum_tree): Change type of buf.
12678 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
12680 * reload.c (push_secondary_reload): Initialize t_icode.
12682 2006-02-01 Jakub Jelinek <jakub@redhat.com>
12684 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
12685 -msoft-float -mlong-double-128 only issue a warning, but don't
12686 swich to DFmode long double.
12688 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
12690 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
12691 has a constant equivalent, iterate over equivalents for arg0,
12692 calling simplify_relational_operation and if there's a result
12693 cheaper than X, apply fold_rtx and return the result.
12695 2006-02-01 Jan Hubicka <jh@suse.cz>
12697 * opts.c (no_unit_at_a_time_default): New global variable.
12698 (decode_options): Use it.
12699 * opts.h (no_unit_at_a_time_default): Declare.
12701 2006-02-01 Paul Brook <paul@codesourcery.com>
12703 * function.c (assign_parm_setup_reg): Use function argument promotion
12705 * expr.c (expand_expr_real_1): Use function argument promotion rules
12708 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12710 * gcc.c (process_command): Change j to 'unsigned int'.
12712 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12714 PR middle-end/26001
12715 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
12716 Use the corrected index for the character
12717 out of the string constant.
12719 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12721 * mode-switching.c (optimize_mode_switching): Fix size
12722 allocated for bb_info[n_entities].
12724 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12726 * gcc.c (main): Correct type that is allocated for
12727 explicit_link_files.
12729 2006-01-31 Jakub Jelinek <jakub@redhat.com>
12731 * config/s390/s390.c (init_alignment_context): Set
12732 ALIAS_SET_MEMORY_BARRIER on the MEM.
12733 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
12735 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
12737 PR middle-end/25933
12738 * loop-unroll.c (unroll_loop_runtime_iterations): Free
12740 * tree-ssa-live.c (type_var_init): Allocate bitmap after
12743 2006-01-31 Marcin Dalecki <martin@dalecki.de>
12745 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
12746 * regrename.c: Ditto.
12747 * tree-ssa-loop-im.c: Ditto.
12748 * tree-dump.c: Ditto.
12749 * tree-complex.c: Ditto.
12750 * genrecog.c: Ditto.
12751 * tree-ssa-threadupdate.c: Ditto.
12753 * java/class.c: Ditto.
12754 * java/jcf-parse.c: Ditto.
12755 * java/resource.c: Ditto.
12756 * java/except.c: Ditto.
12757 * java/jvspec.c: Ditto.
12758 * java/jcf-write.c: Ditto.
12759 * java/jcf-path.c: Ditto.
12760 * java/gjavah.c: Ditto.
12761 * java/zextract.c: Ditto.
12762 * java/jcf-io.c: Ditto.
12763 * java/jcf.h: Ditto.
12764 * java/buffer.c: Ditto.
12765 * java/lang.c: Ditto.
12766 * java/parse-scan.y: Ditto.
12767 * java/lex.c: Ditto.
12768 * java/lex.h: Ditto.
12769 * cfgloopmanip.c: Ditto.
12770 * postreload-gcse.c: Ditto.
12771 * tree-ssa-loop-manip.c: Ditto.
12772 * postreload.c: Ditto.
12773 * tree-ssa-loop-ch.c: Ditto.
12776 * cppspec.c: Ditto.
12777 * diagnostic.c: Ditto.
12779 * genoutput.c: Ditto.
12781 * cfghooks.c: Ditto.
12782 * cfgloopanal.c: Ditto.
12783 * objc/objc-act.c: Ditto.
12785 * genextract.c: Ditto.
12786 * genautomata.c: Ditto.
12787 * pretty-print.c: Ditto.
12788 * genemit.c: Ditto.
12789 * cgraphunit.c: Ditto.
12791 * df-scan.c: Ditto.
12792 * haifa-sched.c: Ditto.
12793 * dominance.c: Ditto.
12795 * tree-ssa-loop-ivopts.c: Ditto.
12796 * df-core.c: Ditto.
12797 * mode-switching.c: Ditto.
12798 * modulo-sched.c: Ditto.
12800 * ipa-pure-const.c: Ditto.
12802 * fix-header.c: Ditto.
12804 * tree-stdarg.c: Ditto.
12805 * ipa-utils.c: Ditto.
12806 * loop-init.c: Ditto.
12807 * ipa-inline.c: Ditto.
12808 * cfganal.c: Ditto.
12810 * alloc-pool.c: Ditto.
12811 * dwarf2out.c: Ditto.
12813 * genattrtab.c: Ditto.
12814 * tree-ssa-loop-ivcanon.c: Ditto.
12815 * predict.c: Ditto.
12816 * timevar.c: Ditto.
12818 * fortran/gfortranspec.c: Ditto.
12819 * regmove.c: Ditto.
12820 * local-alloc.c: Ditto.
12821 * langhooks.c: Ditto.
12822 * function.c: Ditto.
12823 * tree-vectorizer.c: Ditto.
12825 * ipa-type-escape.c: Ditto.
12827 * tree-if-conv.c: Ditto.
12828 * profile.c: Ditto.
12830 * tree-data-ref.c: Ditto.
12831 * loop-unroll.c: Ditto.
12832 * treelang/treetree.c: Ditto.
12834 * bt-load.c: Ditto.
12835 * ggc-common.c: Ditto.
12837 * coverage.c: Ditto.
12839 * tree-cfgcleanup.c: Ditto.
12840 * tree-ssa-pre.c: Ditto.
12841 * cfgcleanup.c: Ditto.
12842 * loop-invariant.c: Ditto.
12843 * loop-iv.c: Ditto.
12844 * ipa-prop.c: Ditto.
12845 * print-tree.c: Ditto.
12846 * conflict.c: Ditto.
12847 * ggc-page.c: Ditto.
12848 * sched-deps.c: Ditto.
12849 * regclass.c: Ditto.
12850 * tree-object-size.c: Ditto.
12851 * combine.c: Ditto.
12852 * bb-reorder.c: Ditto.
12853 * resource.c: Ditto.
12854 * var-tracking.c: Ditto.
12855 * cfgloop.c: Ditto.
12856 * df-problems.c: Ditto.
12857 * reg-stack.c: Ditto.
12859 * gccspec.c: Ditto.
12860 * sched-rgn.c: Ditto.
12861 * tree-ssa-structalias.c: Ditto.
12862 * tree-ssa-reassoc.c: Ditto.
12863 * config/darwin-c.c: Ditto.
12864 * config/darwin.c: Ditto.
12865 * config/arm/arm.c: Ditto.
12867 * collect2.c: Ditto.
12868 * reload1.c: Ditto.
12870 2006-01-31 Nicolas Pitre <nico@cam.org>
12872 * arm.md (smaxsi3): Make aware of smax_m1.
12875 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
12877 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
12879 2006-01-31 Richard Guenther <rguenther@suse.de>
12881 * doc/invoke.texi (-msselibm): Document.
12882 * target.h (expand_library_builtin): New target hook.
12883 * builtins.c (expand_builtin): Use expand_library_builtin.
12884 (default_expand_library_builtin): New function.
12885 * gcc.c (LINK_GCC_MATH_SPEC): Define.
12886 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
12887 (link_gcc_math_spec): Declare.
12888 (static_specs): Add link_gcc_math_spec.
12889 * expr.h (default_expand_library_builtin): Declare.
12890 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12891 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
12892 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
12893 * config/i386/i386.opt (msselibm): New target option.
12894 * config/i386/i386.c (ix86_builtin_function_variants): New array.
12895 (ix86_init_sse_abi_builtins): New function.
12896 (ix86_expand_library_builtin): Likewise.
12897 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12898 (override_options): Handle error conditions wrt -msselibm.
12899 (ix86_builtins): Add function codes for SSE2 ABI builtins.
12900 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
12901 * doc/extend.texi (__builtin_sse2_*): Document new target specific
12904 2006-01-31 Richard Guenther <rguenther@suse.de>
12905 Paolo Bonzini <bonzini@gnu.org>
12907 * doc/install.texi (--disable-libgcc-math): Document.
12909 2006-01-30 Marcin Dalecki <martin@dalecki.de>
12911 * expr.h (expand_normal): new inline function.
12912 * builtins.c: use it, use EXPAND_NORMAL explicitely.
12913 * dojump.c: use it.
12914 * dwarf2out.c: use it.
12917 * expmed.c: use it.
12918 * except.c: use it.
12919 * config/sparc/sparc.c: use it.
12920 * config/i386/i386.c: use it.
12921 * config/rs6000/rs6000.c: use it.
12922 * config/arm/arm.c: use it.
12923 * config/mips/mips.c: use it.
12924 * stmt.c: use it, use EXPAND_NORMAL explicitely.
12926 2006-01-30 Roger Sayle <roger@eyesopen.com>
12928 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
12929 argv to the appropriate type.
12931 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
12933 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
12936 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
12939 * config/s390/s390.c (struct machine_function): New flag
12940 decomposed_literal_pool_addresses_ok_p.
12941 (s390_reorg): Set it before final stage of literal pool transforms.
12942 (s390_decompose_address): Only accept displacements of the form
12943 (minus (label_ref ...) (label_ref ...)) if that flag is set.
12945 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
12947 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
12948 the comparison routine return.
12950 2006-01-30 Michael Matz <matz@suse.de>
12952 * global.c (find_reg): Only evict for global regs.
12953 Take n_refs into account and dump more info.
12955 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
12958 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
12959 (pragma_trap, pragma_nosave_low_regs): Likewise.
12960 (current_function_anonymous_args): Likewise.
12961 (sh_deferred_function_attributes): New variable.
12962 (sh_deferred_function_attributes_tail): Likewise.
12963 (print_operand): For '@', look up trap_exit attribute.
12964 (calc_live_regs): Look up trapa_handler attribute. For trapa
12965 handlers, save/restore fpscr, but don't do any other
12966 interrupt-specific saves.
12967 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
12968 Fix check for partially saved registers to check for SHmedia.
12969 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
12970 (sh_output_function_epilogue): Don't clear any of the removed
12972 (sh_insert_attributes): Don't check pragma_interrupt.
12973 Insert deferred attributes. Check that interrupt attribute is
12974 present for other attributes that require its presence.
12975 (sh_attribute_table): Add new attributes trapa_handler and
12977 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
12978 Don't check for pragma_interrupt. Don't store argument.
12979 * sh.h (pragma_interrupt, sp_switch): Don't declare.
12980 (sh_deferred_function_attributes): Declare.
12981 (sh_deferred_function_attributes_tail): Likewise.
12982 * sh.md (sp_switch_1): Add operand. Change generator caller.
12983 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
12984 (*return_i): Don't use when trap_exit attribute is in effect.
12985 (*return_trapa): New insn pattern.
12986 * sh-c.c: New file.
12987 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
12988 setting c_target_objs and cxx_target_objs.
12989 * t-sh: Add rule for sh-c.o.
12991 2006-01-30 Richard Guenther <rguenther@suse.de>
12994 * gimplify.c (gimplify_target_expr): Handle easy cases
12995 without creating a temporary.
12997 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
12999 * vec.h (safe_grow): Remove duplicated line.
13001 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13004 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13005 (expand_omp): ... here.
13006 (expand_omp_parallel): Only remove barriers for combined
13007 parallel+workshare constructs.
13009 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13013 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13014 * tree.c (build_qualified_type): Chain the new type to the original
13015 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13016 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13017 (build_pointer_type_for_mode): Only return unqualified types.
13018 (build_reference_type_for_mode): Likewise.
13020 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13022 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13023 * Makefile.in (CXX_COMPAT_WARN): Define.
13024 * configure: Regenerate.
13026 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13029 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13032 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13034 * toplev.c: Fix thinko.
13036 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13037 Marcin Dalecki <martin@dalecki.de>
13039 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13040 (push_srcloc): Use XNEW.
13041 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13043 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13045 * df-core.c (df_set_blocks): Deleted all variable.
13047 2006-01-28 Ian Lance Taylor <ian@airs.com>
13049 * cgraphunit.c (cgraph_assemble_pending_functions): Call
13050 cgraph_output_pending_asms.
13052 2006-01-28 Zack Weinberg <zackw@panix.com>
13054 * c.opt: Add -W(no-)overlength-strings.
13055 * doc/invoke.texi: Document it.
13056 * c-opts.c (c_common_handle_option): -pedantic implies
13057 -Woverlength-strings, if not explicitly disabled already.
13058 (c_common_post_options): -Woverlength-strings defaults to off, and
13059 is always off for C++.
13060 * c-common.c (fix_string_type): Issue warning about strings longer
13061 than is portable only if warn_overlength_strings. Rearrange code
13062 a little for clarity.
13063 * configure.in: Check for -Wno-overlength-strings as well before
13064 enabling -pedantic in stage 1.
13065 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
13066 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
13068 * genconditions.c (write_header, write_one_condition)
13069 (write_conditions, write_writer): Consolidate very long strings
13070 that were broken up to fit in C89 portable limit. Don't use
13071 printf when fputs will do.
13073 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13075 * combine.c (simplify_comparison <AND>): Check
13076 TRULY_NOOP_TRUNCATION before start using a subreg.
13078 * config/mips/mips.md (*branch_zero<mode>,
13079 *branch_zero<mode>_inverted, *branch_equality<mode>,
13080 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13081 Remove mode check from comparisons.
13083 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13085 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13087 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13089 * expmed.c (const_mult_add_overflow_p): Remove.
13090 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13092 * recog.c (validate_replace_rtx_subexp): Remove.
13093 * recog.h: Remove the prototype for
13094 validate_replace_rtx_subexp.
13096 * integrate.h: Remove the prototype for
13097 copy_decl_for_inlining.
13098 * rtl.h: Remove the prototype for mark_constant_function.
13099 * tree-vectorizer.h: Remove the prototype for
13100 vect_strip_conversion.
13102 * modulo-sched.c (create_partial_schedule,
13103 free_partial_schedule, reset_partial_schedule): Make them
13106 * hooks.c (hook_bool_rtx_int_false): Remove.
13107 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13109 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13111 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13112 and -mlong-double-128 are incompatible.
13113 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13114 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13115 (TARGET_LIBGCC2_CFLAGS): Define.
13116 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13117 (TARGET_LIBGCC2_CFLAGS): Same.
13118 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13120 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13123 * c-typeck.c (build_binary_op): Perform implicit casts of
13124 operands before shortening them.
13126 * cfgloopmanip.c (split_loop_bb): Remove.
13127 * cfgloop.h: Remove the prototype for split_loop_bb.
13129 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13130 * cfgloop.h: Remove the prototype for
13131 flow_loop_outside_edge_p.
13133 * emit-rtl.c (init_virtual_regs): Make it static.
13134 * function.h: Remove the prototype for init_virtual_regs.
13136 * recog.c (peephole2_optimize): Make it static.
13137 * recog.h: Remove the prototype for peephole2_optimize.
13139 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13141 * df-scan.c (df_record_entry_block_defs): Check if
13142 INCOMING_RETURN_ADDR_RTX is defined.
13144 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
13145 Kenneth Zadeck <zadeck@naturalbridge.com>
13147 PR rtl-optimization/24762
13148 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13149 * targhooks.c (hook_void_bitmap): New hook prototype.
13150 * targhoohs.h (hook_void_bitmap): Ditto.
13151 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
13152 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
13153 * target.h (live_on_entry): New function pointer.
13154 * df-scan.c (df_all_hard_regs): Removed.
13155 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
13156 (df_scan_free_internal): Added df->entry_block_defs.
13157 (df_scan_alloc): Ditto.
13158 (df_scan_dump): Ditto.
13159 (df_uses_record): Plumbed flag field properly thru calls.
13160 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
13161 This part fixes PR24762.
13162 (df_bb_refs_record): Added code to make the frame and arg
13163 pointers live in EH blocks.
13164 (df_refs_record): Added call to df_record_entry_block_defs.
13165 (df_record_entry_block_defs): New function.
13166 * df-core.c: Added comments to describe new artifical defs.
13167 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
13168 (entry_block_defs): New field in struct df.
13169 (df_all_hard_regs): Deleted.
13170 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13171 * df-problems.c (df_ru_bb_local_compute_process_def):
13172 Added code to handle artifical defs in the entry to a function.
13173 (df_ru_bb_local_compute): Ditto.
13174 (df_rd_bb_local_compute_process_def): Ditto.
13175 (df_rd_bb_local_compute): Ditto.
13176 (df_lr_bb_local_compute): Ditto.
13177 (df_ur_bb_local_compute): Ditto.
13178 (df_urec_bb_local_compute): Ditto.
13179 (df_chain_create_bb): Ditto.
13180 (df_ur_local_finalize): Removed entry.
13181 (df_urec_init): Ditto.
13182 (df_urec_local_finalize): Ditto.
13183 (df_ri_bb_compute): Added detection of last use of pseudos.
13184 * Makefile.in (df-scan.o): Updated dependencies.
13185 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
13186 * config/mips/mips.c (mips_set_live_on_entry): Added.
13187 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
13189 * dce.c (marked_insn_p): Added code to handle artifical defs.
13191 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13193 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
13195 (_mm_cvtsi128_si64): Likewise.
13196 (_mm_cvtsd_si64): Likewise.
13197 (_mm_cvttsd_si64): Likewise.
13198 (_mm_cvtsi64_sd): Likewise.
13199 (_mm_cvtsi64_si128): Likewise.
13200 * config/i386/mmintrin.h (_m_from_int64): Likewise.
13201 (_mm_cvtsi64_m64): Likewise.
13202 (_m_to_int64): Likewise.
13203 (_mm_cvtm64_si64): Likewise.
13204 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
13205 (_mm_cvttss_si64): Likewise.
13206 (_mm_cvtsi64_ss): Likewise.
13207 (_mm_cvtss_f32): Likewise.
13209 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
13211 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
13212 for pragma redefine_extname.
13214 2006-01-27 Jakub Jelinek <jakub@redhat.com>
13217 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
13218 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
13219 -mno-minimal-toc to previous content.
13220 (bispecs): Remove goal.
13221 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
13222 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
13223 compatibility aliases on powerpc-*-*gnu*.
13224 * config/rs6000/libgcc-ppc-glibc.ver: New file.
13225 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
13226 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
13227 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
13228 (ldblspecs): New goal.
13229 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
13230 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
13232 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
13233 L_sf_to_tf or L_df_to_tf is defined.
13235 2006-01-27 David Edelsohn <edelsohn@gnu.org>
13236 Alan Modra <amodra@bigpond.net.au>
13239 * config/rs6000/linux.h (POWERPC_LINUX): Define.
13240 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
13241 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
13242 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
13243 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
13244 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
13245 (rs6000_override_options): Initialize rs6000_ieeequad.
13246 Initialize TFmode format to ibm_extended_format if not
13248 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
13250 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
13251 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
13252 (function_arg_advance): IBM long double passed in two FPRs, not
13254 (function_arg): IBM long double passed in FPRs.
13255 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
13256 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
13257 Only multireg GPR aligned.
13258 (rs6000_init_libfuncs): Enable IBM long double functions if not
13260 (rs6000_generate_compare): Use IBM long double compare if not
13262 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
13263 (TARGET_IEEEQUAD): Define.
13264 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
13265 not TARGET_IEEEQUAD.
13266 * config/rs6000/rs6000.md: Enable TFmode patterns if
13268 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
13269 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13270 and -mlong-double-128 are incompatible.
13271 * doc/invoke.texi (-mabi): Collect options together. Add
13272 ibmlongdouble and ieeelongdouble.
13274 2006-01-27 Richard Sandiford <richard@codesourcery.com>
13276 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
13278 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
13279 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
13280 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
13281 * rtl.h (rtunion_def): Remove rt_ptr.
13283 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
13284 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
13285 * config/i386/winnt.c (i386_pe_mark_dllexport)
13286 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
13288 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
13290 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
13292 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13296 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
13297 pthread_key_delete. From John David Anglin. gthrw-ify
13298 pthread_getunique_np only if it it's not a macro. Delete
13300 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
13301 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
13302 __gthread_objc_condition_signal, __gthread_key_delete): Add
13303 "__attribute__ ((__unused__))" to unused arguments.
13304 (__gthread_recursive_mutex_init_function): Add missing return.
13305 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
13306 gthr-posix95.h: Use macro-based approach for name redirection
13307 on targets missing weakref.
13309 2006-01-26 Zack Weinberg <zackw@panix.com>
13311 * genconditions.c (write_header): In generated code, #ifdef out
13312 all includes and fake declarations, except includes of bconfig.h
13313 and system.h, unless GCC_VERSION >= 3001. Do not include
13314 gensupport.h in any case.
13315 (write_conditions): Generate a definition of struct c_test. Add
13316 a comment to the generated #endif.
13317 (write_one_condition): Escape backslashes in string too.
13318 (write_writer): Generated code must escape backslashes and quote
13319 marks (but not newlines) in the strings it writes.
13320 * Makefile.in (build/gencondmd.o): Update dependencies.
13322 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13325 * Makefile.in (insn-automata.o): Add header file dependencies.
13326 * genautomata.c: Add includes.
13328 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13331 * Makefile.in (insn-automata.o): Add -Wno-error flag.
13333 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13335 * configure.ac: Expect target tools paths to be passed from the toplevel
13336 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
13338 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
13340 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13343 * c.opt (Wpointer-sign): Init to -1.
13344 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
13345 OPT_pedantic, to 0 otherwise.
13346 * doc/invoke.texi: Update.
13348 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13350 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
13351 constants provided by 80387 instructions in the destination mode.
13353 2006-01-26 Richard Guenther <rguenther@suse.de>
13354 Andrew Pinski <pinskia@physics.uc.edu>
13357 partial PR tree-opt/17064
13358 * tree-ssa-structalias.c (intra_create_variable_infos):
13359 Create heap variables for incoming parameters if
13360 flag_argument_noalias > 1.
13361 (find_what_p_points_to): Look through default defs of
13364 2006-01-26 Jeff Law <law@redhat.com>
13367 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
13368 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
13369 within the VR_RANGE, use the VR_RANGE as the result, not the
13371 (adjust_range_with_scev): Reject ranges from SCEV which are out of
13372 bounds for the type.
13374 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
13376 * tree-ssa-alias.c (maybe_create_global_var): Change
13377 subvar walking to an assertion that we don't have subvar'd variables.
13379 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
13382 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
13383 Use a new variable, inner. PARM_DECLs are always non-weak.
13385 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
13387 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
13388 --disable-checking.
13390 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
13392 * config/mips/mips.md (*clear_upper32): New combiner pattern.
13394 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
13396 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
13397 (smax_insn, smin_insn, smax_0, smin_0): New.
13399 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
13402 * config/cris/cris.c (cris_order_for_addsi3): New function.
13403 * config/cris/cris-protos.h: Prototype it.
13404 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
13405 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
13406 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
13407 (split for "op.S1 [rx=rx+i],ry (swapped)")
13408 (split for "op(s|u).S1 [rx=rx+i],ry")
13409 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
13410 Apply cris_order_for_addsi3 when generating addsi3 insns.
13412 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13414 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
13415 (TREE_BLOCK): Add call to EXPR_CHECK.
13417 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13420 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
13421 * tree-pretty-print.c (dump_omp_clause): Extract from ...
13422 (dump_omp_clauses): ... here.
13423 (dump_generic_node): Handle OMP_CLAUSE.
13424 * tree.c (omp_clause_num_ops): New.
13425 (omp_clause_code_name): New.
13426 (tree_code_size): Handle OMP_CLAUSE.
13427 (tree_size): Likewise.
13428 (make_node): Document handling of OMP_CLAUSE.
13429 (tree_node_structure): Handle OMP_CLAUSE.
13430 (omp_clause_check_failed): New.
13431 (omp_clause_range_check_failed): New.
13432 (omp_clause_operand_check_failed): New.
13433 (build_omp_clause): New.
13434 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
13435 * tree.h (enum omp_clause_code): Declare.
13436 (OMP_CLAUSE_SUBCODE_CHECK): Define.
13437 (OMP_CLAUSE_RANGE_CHECK): Define.
13438 (OMP_CLAUSE_ELT_CHECK): Define.
13439 (omp_clause_check_failed): Declare.
13440 (omp_clause_operand_check_failed): Declare.
13441 (omp_clause_range_check_failed): Declare.
13442 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
13443 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
13444 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
13445 (OMP_CLAUSE_LASTPRIVATE): Likewise.
13446 (OMP_CLAUSE_IF_EXPR): Likewise.
13447 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
13448 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
13449 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
13450 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
13451 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
13452 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
13453 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
13454 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
13455 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
13456 (OMP_CLAUSE_CODE): Define.
13457 (OMP_CLAUSE_SET_CODE): Define.
13458 (OMP_CLAUSE_CODE): Define.
13459 (OMP_CLAUSE_OPERAND): Define.
13460 (struct tree_omp_clause): Declare.
13461 (union tree_node): Add field 'omp_clause'.
13462 * treestruct.def (TS_OMP_CLAUSE): Define.
13463 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
13464 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
13465 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
13466 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
13467 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
13468 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
13469 (OMP_CLAUSE): Define.
13470 * print-tree.c (print_node): Handle OMP_CLAUSE.
13471 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
13472 * c-typeck.c: Likewise.
13473 * gimplify.c: Likewise.
13474 * c-omp.c: Likewise.
13475 * tree-nested.c: Likewise.
13476 * tree-inline.c: Likewise.
13477 * c-parser.c: Likewise.
13478 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
13481 2006-01-25 Roger Sayle <roger@eyesopen.com>
13483 PR rtl-optimization/25703
13484 * combine.c (try_combine): Handle zero_extract and strict_low_part
13485 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
13487 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
13489 * global.c: Fix comment typos.
13491 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
13494 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
13495 Use output_addr_const instead of assemble_name.
13497 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
13499 * Makefile.in (sched-vis.o): Update dependencies.
13500 * haifa-sched.c (sched_finish): Clear current_sched_info.
13501 * cfg.c (dump_bb_info): New, split from dump_flow_info.
13502 (dump_flow_info): Call it.
13503 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
13505 * basic-block.h (dump_bb_info): Declare.
13506 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
13507 option, and apply options only for dump files whose TDF_RTL,
13508 TDF_TREE, or TDF_IPA bits match.
13509 * rtl.h: Declare new functions exported from sched-vis.c.
13510 * sched-vis.c: Enable also if scheduling is not used.
13511 (print_value): Print the mode of registers if not inside scheduling.
13512 (print_insn): Make it work outside the scheduler. Beautify the output
13514 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
13516 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13518 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
13519 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
13520 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
13521 depending on the value of CONSTANT_POOL_ADDRESS_P.
13522 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
13524 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
13525 rather than SYMBOL_REF_DECL.
13526 (rtx_constant_pool): Remove const_rtx_sym_htab.
13527 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
13528 (init_varasm_status): Don't initialize const_rtx_sym_htab.
13529 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
13530 Remove handling of const_rtx_sym_htab.
13531 (find_pool_constant): Delete.
13532 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
13533 rather than find_pool_constant.
13534 (get_pool_constant_for_function): Delete.
13535 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
13536 find_pool_constant.
13537 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
13538 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
13539 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
13540 (SYMBOL_REF_CONSTANT): New macro.
13541 (get_pool_constant_for_function): Delete.
13542 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
13543 rather than SYMBOL_REF_DECL.
13544 (i386_pe_mark_dllimport): Likewise.
13545 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
13546 rather than SYMBOL_REF_DECL.
13547 * config/darwin.c (machopic_indirect_data_reference): Likewise.
13548 (machopic_indirect_call_target): Likewise.
13550 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
13552 * flow.c (delete_noop_moves): Add missing EOL to dump message.
13554 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13556 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
13558 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
13560 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
13562 2006-01-24 David Daney <ddaney@avtrex.com>
13565 * configure.ac (enable_tls): New enable option.
13566 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
13567 * configure: Regenerate.
13568 * doc/install.texi (--enable-tls): Document new option.
13569 (--disable-tls): Ditto.
13571 2006-01-24 Richard Henderson <rth@redehat.com>
13573 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
13574 * alias.c (true_dependence): Respect it.
13575 (canon_true_dependence, write_dependence_p): Likewise.
13576 * builtins.c (get_builtin_sync_mem): Set it.
13578 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
13580 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
13583 2006-01-24 DJ Delorie <dj@redhat.com>
13585 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
13586 for storing constants in single-bit bitfields.
13588 2006-01-25 Ben Elliston <bje@au.ibm.com>
13590 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
13592 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
13595 * tree-ssa-pre.c (phi_translate): Return NULL
13596 for AGGREGATE_TYPE's.
13598 2006-01-24 Zack Weinberg <zackw@panix.com>
13600 * genautomata.c (process_state_for_insn_equiv_partition):
13601 Use xcalloc for insn_arcs_array.
13602 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
13603 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
13605 2006-01-24 Richard Henderson <rth@redhat.com>
13607 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
13608 update all callers.
13610 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
13612 PR rtl-optimization/25890
13613 PR rtl-optimization/25905
13614 * combine.c (expand_compound_operation, expand_field_assignment):
13615 Fail if the bitfield's final position is out of bounds.
13617 2006-01-24 Ian Lance Taylor <ian@airs.com>
13619 PR middle-end/25930
13620 * cgraphunit.c (cgraph_output_in_order): Don't clear
13621 cgraph_asm_nodes until after asm strings have been output.
13623 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
13625 * fix-header.c (read_scan_file): Add new parameter imultilib when
13626 calling register_include_chains.
13628 2006-01-23 Diego Novillo <dnovillo@redhat.com>
13630 * omp-low.c: Update documentation.
13632 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13633 Daniel Berlin <dberlin@dberlin.org>
13637 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
13638 return from the function.
13640 2006-01-22 Zack Weinberg <zackw@panix.com>
13642 * rtl.def (match_code): Add second argument.
13643 * genpreds.c (write_extract_subexp): New function.
13644 (write_match_code): Add path argument. Use write_extract_subexp.
13645 (write_predicate_expr): Pass path to write_match_code.
13646 (mark_mode_tests): MATCH_CODE applied to a subexpression does
13647 not perform a mode test.
13648 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
13649 a subexpression does not constrain the top-level code set.
13650 * read-rtl.c (read_rtx_variadic): New function.
13651 (read_rtx_1): Use it; allow AND and IOR to be variadic.
13652 * doc/md.texi: Document new notation.
13653 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
13654 (cmpsi_operand): ... here, using new notation.
13656 2006-01-22 Zack Weinberg <zackw@panix.com>
13658 * varray.c: Remove GENERATOR_FILE #ifdefs.
13660 2006-01-22 Zack Weinberg <zackw@panix.com>
13662 * genautomata.c (output_reserved_units_table): Emit nothing if
13663 description->query_units_num is zero. Remove extra blank line.
13664 (output_cpu_unit_reservation_p): Short circuit
13665 if description->query_units_num is zero.
13667 2006-01-22 Zack Weinberg <zackw@panix.com>
13669 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
13670 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
13671 nor any of the random handful of variables that used to be necessary
13672 when this program was linked with rtlanal.o. Prune set of forward
13673 function declarations.
13674 (struct attr_desc): Remove static_p field.
13675 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
13676 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
13677 (attr_string): Do not read the character one past the length of
13679 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
13680 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
13681 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
13682 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
13683 (make_automaton_attrs): New.
13684 (main): Do not call into genautomata. Call local gen_bypass
13685 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
13686 Remove special case for insn_alts.
13687 * genautomata.c: Include gensupport.h; not genattrtab.h nor
13688 varray.h (leftover from previous change). Prune set of forward
13689 function declarations. Remove state_alts fields from all
13690 structures. Remove state_alts_table from struct automaton.
13691 Make everything except main static. Do not maintain num_dfa_decls.
13692 Do not maintain state_alts fields of various structures.
13693 (process_decls): Don't validate condexp for dm_insn_reserv decls.
13694 (add_arc): Remove state_alts argument. All callers updated.
13695 (output_reserved_units_table): Emit #ifdef here...
13696 (output_tables): ...not here. Don't generate state_alts tables.
13697 (expand_automata): Don't generate attributes.
13698 (write_automata): Don't generate state_alts functions.
13699 (main): New function.
13700 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
13701 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
13702 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
13703 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
13704 (BYPASS_P_FUNC_NAME, output_state_alts_table)
13705 (output_automata_list_state_alts_code, output_internal_state_alts_func)
13706 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
13707 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
13709 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
13710 * genattrtab.h: Delete file.
13711 * Makefile.in (OBJS-common): Add insn-automata.o.
13712 (insn-automata.o): New rule.
13713 (simple_generated_c): Add insn-automata.c.
13714 (build/genattrtab.o, build/genautomata.o): Update dependencies.
13715 (genprogmd): Add automata.
13716 (build/genattrtab): Needs no extra objects nor libraries.
13717 (build/genautomata): Needs build/vec.o and -lm.
13719 2006-01-22 Zack Weinberg <zackw@panix.com>
13721 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
13722 (output_dfa_max_issue_rate, locked_states_num): Delete.
13723 (struct automaton): Add locked_states field.
13724 (output_dead_lock_vect): Save number of locked states in
13725 automaton->locked_states. If it is zero, don't print anything.
13726 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
13727 (output_internal_dead_lock_func): Only test the dead_lock_vect
13728 for automata that have locked states.
13729 (output_statistics): Always print the number of locked states for
13730 each automaton. Calculate total number of locked states here.
13731 (write_automata): Don't call output_dfa_max_issue_rate.
13732 * genattrtab.c: Define length_unit_log as a const variable.
13733 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
13734 max_insn_queue_index const.
13735 * final.c (length_unit_log): Declare const.
13736 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
13738 2006-01-22 Zack Weinberg <zackw@panix.com>
13740 * genautomata.c: Include vec.h, not varray.h.
13741 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
13742 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
13743 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
13744 VEC_* macros operating on appropriately typed vectors, or to
13745 malloced arrays when the size is known in advance. Const-ify
13746 many char* variables and function arguments. No functional changes.
13747 * Makefile.in (build/varray.o): Delete rule.
13748 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
13749 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
13751 2006-01-22 Zack Weinberg <zackw@panix.com>
13753 * gensupport.c: Define get_insn_name and record_insn_name here.
13754 (read_md_rtx): Call record_insn_name as appropriate.
13755 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
13756 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
13757 * genpreds.c, genrecog.c: Don't define get_insn_name nor
13759 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
13760 (BUILD_VARRAY): Delete.
13761 (genprognormal): Rename genprogmd. Fold in all programs from
13762 genprognoprint; also attrtab.
13763 (build/genattrtab): Just mention genautomata.o and varray.o.
13764 Reorganize a bit, add comments to make the categories clearer.
13766 2006-01-22 Zack Weinberg <zackw@panix.com>
13768 * genconditions.c (condition_table, add_condition): Delete.
13769 (write_conditions): Don't emit n_insn_conditions nor
13770 insn_elision_unavailable. Issue the gcc version #ifdef here,
13771 inside the table, with no #else clause ...
13772 (write_header): ...not here.
13773 (write_writer): New function.
13774 (main): Don't initialize condition_table. Use add_c_test.
13776 * gensupport.c (init_md_reader_args_cb): Handle multiple input
13777 files on the command line.
13778 (maybe_eval_c_test): Don't check insn_elision_unavailable.
13779 Return -1 if there is no entry in the table, don't abort.
13780 (add_c_test, traverse_c_tests): New functions.
13781 * gensupport.h (insn_elision_unavailable, insn_conditions)
13782 (n_insn_conditions): Delete declarations.
13783 (add_c_test, traverse_c_tests): Declare.
13784 * read-rtl.c: Include gensupport.h.
13785 (read_conditions): New function.
13786 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
13787 (read_rtx_1): If we get EOF when we were looking for an initial
13788 open paren, return 0. Call read_conditions when appropriate.
13789 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
13790 dummy-conditions.o. Eliminate references to insn-conditions.o,
13791 or change them to build/gencondmd.o, as appropriate. Remove
13792 insn-constants.h from $(simple_generated_h) and insn-conditions.c
13793 from $(simple_generated_c). For all files remaining in those
13794 two lists, add insn-conditions.md to the generator command line.
13795 Give insn-constants.h/s-constants their own rules. Add rules
13796 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
13797 (build/read-rtl.o): Depend on gensupport.h.
13798 (genprognormal): Include preds.
13799 (genprogearly): Rename genprognoprint; only difference is now that
13800 they don't link with $(BUILD_PRINT).
13801 * dummy-conditions.c: Delete.
13803 2006-01-22 Zack Weinberg <zackw@panix.com>
13805 * genextract.c: Don't include insn-config.h. Do include vec.h.
13806 Declare vectors of int, char, and locstr.
13807 (locstr): New typedef.
13808 (struct extraction): Make all array fields into bare pointers.
13809 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
13810 (insn_code_number): Delete.
13811 (accum_extract): New struct.
13812 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
13813 (gen_insn): Take insn_code_number as an argument. Use an
13814 accum_extract structure instead of loading data directly into
13815 a struct extraction, and having to know how big it might get.
13816 (walk_rtx): Operate entirely on an accum_extract structure.
13817 (print_path): Avoid unnecessary use of printf.
13818 (print_header): New function, split out of main. Distinguish
13819 more carefully between an unrecognizable insn and an insn that
13820 has the code number of a define_expand.
13821 (main): Pass insn_code_number to gen_insn. Call print_header
13822 only after parsing. Avoid unnecessary use of printf.
13823 * Makefile.in (build/vec.o): New rule.
13824 (build/genextract): Depend on build/vec.o.
13825 (build/genextract.o): Don't depend on insn-config.h.
13827 2006-01-22 Zack Weinberg <zackw@panix.com>
13829 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
13830 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
13831 practical. Eliminate per-generator-program link rules.
13833 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13835 PR middle-end/24437
13836 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
13837 with a call expr to ...
13838 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
13840 2006-01-23 Richard Guenther <rguenther@suse.de>
13842 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
13843 before make_edge with conditional EDGE_TRUE_VALUE.
13845 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
13846 Jan Hubicka <jh@suse.cz>
13847 Richard Guenther <rguenther@suse.de>
13849 PR rtl-optimization/25654
13850 * cfgexpand.c (aggregate_contains_union_type): New function.
13851 (add_alias_set_conflicts): Call it. Make sure to add conflicts
13852 for structure variables that contain a union type.
13854 2006-01-23 Richard Sandiford <richard@codesourcery.com>
13856 * gengtype.c (new_structure): Return the structure.
13857 (create_option): Add an extra "next" argument.
13858 (create_field): New function.
13859 (adjust_field_rtx_def): Use create_option and create_field.
13860 Remove a now-unnecessary call to find_structure.
13861 (adjust_field_tree_def): Likewise.
13862 (note_yacc_type): Remove an unnecessary call to find_structure.
13863 * gengtype.h (new_structure): Return the structure.
13864 (create_option): Add an extra argument.
13865 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
13866 (option): Adjust calls to create_option.
13868 2006-01-22 David Edelsohn <edelsohn@gnu.org>
13870 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
13872 2006-01-22 Paul Brook <paul@codesourcery.com>
13873 Peter Barada <peter@the-baradas.com>
13875 * config/m68k/m68k.md: Add Coldfire FPU support.
13876 Define FP mode macro and associated attributes.
13877 Use it for float mode patterns.
13878 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
13879 (LIBCALL_VALUE): Use m68k_libcall_value.
13880 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
13881 (m68k_function_value): Ditto.
13882 (emit_move_sequence): Ditto.
13883 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
13884 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
13885 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
13886 (MULTILIB_EXCEPTIONS): Ditto.
13887 * config/m68k/m68k.opt: Add mcfv4e.
13888 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
13889 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
13890 (m68k_output_function_prologue): Save ColdFire FPU registers.
13891 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
13892 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
13893 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
13894 ColdFire FPU registers.
13895 (m68k_libcall_value, m68k_function_value): New functions.
13896 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
13897 (LIBCALL_VALUE): Use m68k_libcall_value.
13898 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
13899 (MASK_COLDFIRE): Add MASK_CFV4E.
13900 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
13901 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
13902 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
13903 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
13904 (GO_IF_LEGITIMATE_ADDRESS): Use it.
13905 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
13906 * doc/invoke.tex: Document -mcfv4e on m68k.
13908 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
13910 * doc/contribute.texi: Change CVS to SVN and update the corresponding
13913 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
13916 * c-opts.c (c_common_handle_option): Don't include
13917 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
13918 * doc/invoke.texi (C++ Dialect Options): Document that
13919 -Wnon-virtual-dtor is no longer included in -Wall.
13921 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
13923 * gcov.c (print_version), gcov-dump.c (print_version),
13924 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
13927 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
13929 * df-scan.c (problem_SCAN): Added NULL reset function.
13930 (df_scan_reset_blocks): Added code to call reset block function
13931 (df_bb_refs_delete) Fixed comment.
13932 (df_insn_refs_delete): Made tolerant of deleting non existent info
13933 for dataflow problems that need to be reset.
13934 * df-core.c (df_set_blocks): Ditto.
13935 * df.h (struct df_problem): Added reset_fun.
13936 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
13937 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
13938 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
13939 functions to clear out all references to def-use or use-def chains.
13941 2006-01-21 Ben Elliston <bje@au.ibm.com>
13943 * varasm.c (assemble_real): Initialise data array.
13945 2006-01-20 Paul Brook <paul@codesourcery.com>
13947 Merge from csl-arm-branch.
13948 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
13949 * config/arm/arm.md (movdi): Force operands[1] to a register
13950 if we have a non-register source.
13951 (*arm_movdi, *movdf_soft_insn): Require that one of the
13952 operands be a register.
13953 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
13954 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
13956 2006-01-20 DJ Delorie <dj@redhat.com>
13958 * varasm.c (initializer_constant_valid_p): Allow pointers
13959 initialized from integer constants of lesser precision.
13960 (output_constant): Allow non-int-sized pointer modes to be
13961 initialized from integer constants.
13963 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
13966 * cppdefault.h (struct default_include): Add multilib flag.
13967 * cppdefault.c (cpp_include_defaults): Set it.
13968 * c.opt (-imultilib): New option.
13969 * c-opts.c (imultilib): New.
13970 (c_common_handle_option): Handle -imultilib.
13971 (c_common_post_options): Likewise.
13972 * c-incpath.c (add_standard_paths, register_include_chains):
13974 * c-incpath.h (register_include_chains): Add extra parameter.
13975 * gcc.c (do_spec_1): Generate -imultilib option.
13976 (The Specs Language): Update %I description.
13977 (process_command): Update copyright notice.
13978 * doc/cppopts.texi (-imultilib): Document.
13979 * doc/invoke.texi (-imultilib): Include in option summary.
13980 (%I): Update specs documentation.
13982 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13984 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
13986 2006-01-20 Richard Sandiford <richard@codesourcery.com>
13988 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
13991 2006-01-20 Richard Guenther <rguenther@suse.de>
13992 Steven Bosscher <stevenb.gcc@gmail.com>
13994 PR rtl-optimization/24626
13995 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
13996 EDGE_TRUE_VALUE if in RTL mode.
13999 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14000 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14002 2006-01-20 Dirk Mueller <dmueller@suse.com>
14005 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14006 instead of a special NOP marker.
14007 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14008 NOP marker handling.
14009 * c-common.h (empty_body_warning): Add forward declaration.
14010 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14011 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14013 2006-01-20 Paul Brook <paul@codesourcery.com>
14015 * Makefile.in (lang_checks): Keep going if mkdir fails.
14017 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14019 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14020 be able to clean out basic block when not necessary.
14021 (df_scan_free): Fixed to properly delete information if df is
14022 unused before calling df_finish.
14023 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14024 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14026 (df_bb_refs_delete): New function.
14027 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14028 * df-core.c (df_set_blocks): Added code to properly clean out
14029 unused blocks if they are not part of the blocks to consider.
14030 Added additional null check.
14031 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14032 be able to clean out basic block when not necessary
14033 * df.h (df_free_bb_function): Ditto.
14034 (df_bb_refs_delete): New function.
14035 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14036 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14037 basic block parameter to be able to clean out basic block when not
14039 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14040 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14041 Fixed to properly delete information if df is unused before
14044 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14046 PR rtl-optimization/25799
14047 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14048 Corrected confluence operator to remove bits from op2 before oring
14049 with op1 rather than removing bits from op1.
14050 (df_ru_transfer_function): Corrected test on wrong bitmap which
14051 caused infinite loop. Both of these problems were introduced in
14052 the dataflow rewrite.
14054 2006-01-19 DJ Delorie <dj@redhat.com>
14056 * reload1.c (find_reload_regs): Note the details of reload
14057 failures in the dump file.
14058 (spill_failure): Likewise.
14060 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14062 * loop-iv.c: Include df.h and hashtab.h.
14063 (enum iv_grd_result): New enum.
14064 (DF_REF_IV, DF_REF_IV_SET): New macros.
14065 (struct biv_entry): New.
14066 (df, bivs): New global variables.
14067 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
14068 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
14070 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
14071 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
14072 analyzed_for_bivness_p, record_biv): New functions.
14073 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14074 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14075 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14077 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14079 (iv_number_of_iterations): Use new interface to iv analysis.
14080 * loop-unroll.c: Do not include varray.h.
14081 (analyze_iv_to_split_insn): Use new interface to iv
14083 * loop-unswitch.c (may_unswitch_on): Ditto.
14084 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14086 (df_bb_modify): Realloc tables to the new index.
14087 (df_find_use): New function.
14088 * df.h (df_find_use): Declare.
14089 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14091 * cfgloop.h (struct rtx_iv): Remove analysed field.
14092 (iv_get_reaching_def): Removed.
14093 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14094 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14095 (loop-iv.o): Add df.h and hashtab.h dependency.
14096 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14098 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14101 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14103 (__floatundisf, __floatundidf): Likewise.
14104 * libgcc2.h (IS_IBM_EXTENDED): Define.
14106 2006-01-19 DJ Delorie <dj@redhat.com>
14108 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14110 2006-01-19 Paul Brook <paul@codesourcery.com>
14112 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14113 as nothrow when unwinding tables are disabled.
14115 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14118 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14119 of bit-field" when in system header.
14121 2006-01-19 DJ Delorie <dj@redhat.com>
14123 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14124 the 16 bit shift limit of the m16c.
14126 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14129 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14130 * config/i386/i386.c (output_set_got): Output the label if we have one
14131 for the TARGET_DEEP_BRANCH_PREDICTION case.
14133 2006-01-19 Jan Hubicka <jh@suse.cz>
14134 H.J. Lu <hongjiu.lu@intel.com>
14135 Evandro Menezes <evandro.menezes@amd.com>
14137 * invoke.texi (generic): Document
14139 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
14140 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
14141 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
14142 (x86_use_incdec, x86_pad_returns): New variables
14143 (TARGET_CPU_DEFAULT_generic): New constant
14144 (TARGET_CPU_DEFAULT_NAMES): Add generic.
14145 (enum processor_type): Add generic32 and generic64.
14146 * i386.md (cpu attribute): Add generic32/generic64
14147 (movhi splitter): Behave sanely when both partial_reg_dependency and
14148 partial_reg_stall are set.
14149 (K8 splitters): Enable for generic as well.
14150 * predicates.md (incdec_operand): Use TARGET_INCDEC
14151 (aligned_operand): Avoid memory mismatch stalls.
14152 * athlon.md: Enable for generic64, new patterns for 128bit moves.
14153 * ppro.md: Enable for generic32
14154 * i386.c (generic64_cost, generic32_cost): New.
14155 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
14156 (x86_use_leave): Enable for generic64. (x86_use_sahf,
14157 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
14158 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
14159 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
14160 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
14161 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14162 x86_accumulate_outgoing_args, x86_prologue_using_move,
14163 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
14164 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
14165 Enable for generic.
14166 (x86_use_incdec, x86_pad_returns): New.
14167 (override_options): Add generic32 and generic64, translate "generic"
14168 to generic32/generic64 and "i686" to "generic32", refuse
14169 "generic32"/"generic64" as arch target.
14170 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
14171 (ix86_reorg): Honor PAD_RETURNS.
14173 2006-01-19 Diego Novillo <dnovillo@redhat.com>
14175 * tree-pretty-print.c (dump_generic_node): Handle
14176 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
14177 * cgraph.c (cgraph_expand_queue): Rename from
14178 cgraph_analyze_queue. Update all users.
14179 * cgraphunit.c (cgraph_assemble_pending_functions): Process
14180 cgraph_expand_queue.
14181 (cgraph_expand_all_functions): Likewise.
14182 (cgraph_finalize_pending_functions): Remove. Update callers.
14184 * tree.h (OMP_DIRECTIVE_P): Define.
14185 (OMP_PARALLEL_FN): Define.
14186 (OMP_PARALLEL_DATA_ARG): Define.
14187 (OMP_SECTIONS_SECTIONS): Define.
14188 * tree-pass.h (pass_expand_omp): Declare.
14189 * omp-low.c (struct omp_region): Declare.
14190 (struct omp_context): Remove fields 'parallel_type',
14191 'parallel_start_ix' and 'parallel_start_additional_args'.
14193 (struct omp_for_data): Rename from struct expand_omp_for_data.
14194 (omp_regions): New static variable.
14195 (root_omp_region): New static variable.
14196 (find_omp_clause): Make static.
14197 (is_in_combined_parallel_ctx): Remove.
14198 (is_combined_parallel): New.
14199 (extract_omp_for_data): Move earlier in the file.
14200 (workshare_safe_to_combine_p): New.
14201 (get_ws_args_for): New.
14202 (determine_parallel_type): Move earlier in the file.
14203 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
14205 (omp_copy_decl): Likewise.
14206 (create_omp_child_function): Likewise.
14207 (lookup_omp_region): New.
14208 (dump_omp_region): New.
14209 (debug_omp_region): New.
14210 (debug_all_omp_regions): New.
14211 (new_omp_region): New.
14212 (scan_omp_parallel): If parallel_nesting_level > 1, the
14213 directive is nested within another parallel directive.
14214 Set OMP_PARALLEL_FN.
14215 (scan_omp_for): Do not try to handle combined parallel+for
14217 Remove FIXME comment.
14218 (scan_omp_nested): Remove.
14219 (scan_omp_1): Do not call scan_omp_nested when
14220 parallel_nesting_level is > 1.
14221 Do not change the DECL_CONTEXT of local variables found.
14222 (lookup_decl_in_outer_ctx): New.
14223 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
14224 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
14225 (lower_reduction_clauses): Rename from expand_reduction_clauses.
14226 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
14227 If CTX is nested, lookup VAR in the outer context when
14228 building copy assignment.
14229 (lower_send_clauses): Rename from expand_send_clauses.
14230 If CTX is nested, lookup VAR in the outer context when
14231 building copy assignments.
14232 (lower_send_shared_vars): Rename from expand_send_shared_vars.
14233 If CTX is nested, lookup VAR in the outer context when
14234 building copy assignments.
14235 (expand_parallel_call): Rename from build_parallel_call.
14236 Handle combined parallel+workshare cases.
14237 Re-implement to emit code into the CFG.
14239 (expand_omp_parallel): Re-implement to emit code into the CFG.
14240 Call move_sese_region_to_fn to outline the sub-graph
14241 containing the parallel region.
14242 (expand_omp_for_1): Remove.
14243 (expand_omp_for_generic): Re-implement to emit code into the
14245 (expand_omp_for_static_nochunk): Likewise.
14246 (expand_omp_for_static_chunk): Likewise.
14247 (expand_omp_for): Likewise.
14248 (expand_omp_sections): Likewise.
14249 (remove_exit_barriers): New.
14250 (expand_omp_synch): New.
14252 (build_omp_regions_1): New.
14253 (build_omp_regions): New.
14254 (execute_expand_omp): New.
14255 (gate_expand_omp): New.
14256 (pass_expand_omp): Define.
14257 (lower_omp_sections): Rename from expand_omp_sections.
14258 Set OMP_SECTIONS_SECTIONS.
14259 (lower_omp_single_simple): Rename from expand_omp_single_simple.
14260 (lower_omp_single_copy): Rename from expand_omp_single_copy.
14261 (lower_omp_single): Rename from expand_omp_simple.
14262 (lower_omp_master): Rename from expand_omp_master.
14263 (lower_omp_ordered): Rename from expand_omp_ordered.
14264 (lower_omp_critical): Rename from expand_omp_critical.
14265 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
14266 (lower_omp_for): Re-implement.
14267 (lower_omp_parallel): Re-implement.
14268 (lower_regimplify): Rename from expand_regimplify.
14269 (lower_omp_1): Rename from expand_omp_1.
14270 If there are syntax errors in the program, replace every
14271 OpenMP directive with NOP.
14272 Call lower_omp_* instead of expand_omp_*.
14273 (lower_omp): Rename from expand_omp.
14275 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
14276 * tree-gimple.h (enum omp_parallel_type): Remove.
14277 (gimple_boolify): Declare extern.
14278 (find_omp_clause, determine_parallel_type): Remove.
14280 * gimple-low.c (lower_omp_directive): New.
14281 (lower_stmt): Call it.
14282 (record_vars_into): Move from ...
14283 (record_vars): ... here.
14284 Call record_vars_into with current_function_decl.
14286 * gimplify.c (struct gimplify_ctx): Remove fields
14287 combined_pre_p and combined_ctxp. Update users.
14288 (get_formal_tmp_var): Add documentation.
14289 (gimple_boolify): Make extern.
14290 (gimplify_expr_in_ctx): Remove. Update callers.
14291 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
14292 will always be a BIND_EXPR.
14293 (gimplify_expr): Handle OMP_RETURN_EXPR.
14294 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
14295 (OMP_PARALLEL): Add 3 operands.
14296 (OMP_SECTIONS): Add 1 operand.
14297 (OMP_RETURN_EXPR): Define.
14299 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
14300 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
14301 * tree-iterator.c (alloc_stmt_list): Assert that we are not
14302 creating a circular free list.
14303 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
14305 * tree-flow.h (move_sese_region_to_fn): Declare.
14306 (record_vars_into): Declare.
14307 * tree-cfg.c (make_omp_sections_edges): New.
14308 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
14309 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
14310 OMP_SECTIONS and OMP_SECTION.
14311 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
14312 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
14313 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
14314 (gather_blocks_in_sese_region): New.
14315 (struct move_stmt_d): Declare.
14316 (move_stmt_r): New.
14317 (move_block_to_fn): New.
14318 (move_sese_region_to_fn): New.
14320 * passes.c (init_optimization_passes): Schedule
14321 pass_expand_omp after pass_init_datastructures.
14323 * tree-ssa-operands.c (get_expr_operands): Handle
14324 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
14325 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
14327 2006-01-19 Jeff Law <law@redhat.com>
14329 * tree-vrp.c (extract_range_from_assert): Refine the result range
14330 if the variable referenced by the ASSERT_EXPR has a range and
14331 either the tentative result range or the previous range is a
14334 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14336 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
14338 2006-01-19 Jan Hubicka <jh@suse.cz>
14340 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
14342 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
14344 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
14345 (expand_compound_operation, expand_field_assignment): Fail if the
14346 bit lengths of an extract operation are out of range.
14347 (make_extraction): Compute wanted_inner_mode based on the position
14348 and length of the extraction. Make it extraction_mode for non-constant
14349 positions, and do not modify offset in that case. When generating a
14350 new MEM, use a mode that can hold the extraction while keeping correct
14351 alignment. Remove code that supported MEMs wrapped by USEs.
14352 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
14354 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
14356 * config/s390/s390.md ("Y", "y"): New mode attribute.
14357 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
14358 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
14359 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
14360 "*addsi3_imm_cc", "*addsi3_carry1_cc",
14361 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
14362 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
14363 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
14364 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
14365 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
14366 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
14367 "addsi3", "subsi3"): Insn patterns removed.
14368 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
14369 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
14370 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
14371 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
14372 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
14373 "*sub<mode>3_cconly2"): New insn patterns.
14374 ("addsi3", "subsi3"): New expanders.
14376 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
14378 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
14379 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
14380 existing STMT_VINFO_VECTYPE if available.
14381 (vect_mark_relevant): Add special handling for stmts that are
14382 marked as STMT_VINFO_IN_PATTERN_P.
14383 (vect_analyze_loop): Call vect_pattern_recog.
14384 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
14385 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
14387 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
14388 (vect_recog_func_ptr): New function-pointer type.
14389 * tree-vect-patterns.c: New file.
14390 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
14391 (vect_recog_dot_prod_pattern, vect_pattern_recog):
14392 (vect_pattern_recog_1): New functions.
14393 (vect_pattern_recog_funcs): New array of function pointers.
14395 * tree-vectorizer.h (ternary_op): New enum value.
14396 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
14397 declaration. Revised documentation. Removed redundant dump prints.
14398 Removed redundant argument. Added support for reduction patterns.
14399 (vectorizable_reduction): Added support for reduction patterns.
14400 (vect_transform_stmt): Added support for patterns.
14402 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
14403 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
14404 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
14405 (expand_widen_pattern_expr): New function.
14406 (init_optabs): Initialize new optabs udot_prod_optab,
14408 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
14409 (sdot_prod_optab, udot_prod_optab): Define new optabs.
14410 (expand_widen_pattern_expr): New function declaration.
14411 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
14413 * tree-inline.c (estimate_num_insns_1): Added cases for new
14414 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14415 * tree-pretty-print.c (dump_generic_node): Likewise.
14416 (op_prio): Likewise.
14417 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14418 * tree-ssa-operands.c (get_expr_operands): Added case for
14420 * tree-vect-patterns.c (widened_name_p): New function.
14421 (vect_recog_dot_prod_pattern): Added function implementation.
14422 * tree-vect-transform.c (get_initial_def_for_reduction): Added
14423 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
14424 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
14425 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
14427 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
14428 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
14429 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
14430 (init_optabs): Initialize new optabs widen_ssum_optab,
14432 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
14433 (widen_ssum_optab, widen_usum_optab): Define new optabs.
14434 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
14435 use instead of type of def.
14436 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
14437 function implementation.
14438 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
14439 widen_ssumv8hi): New.
14441 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
14444 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14447 * c-decl.c (add_flexible_array_elts_to_size): New function.
14448 (finish_decl): Use it.
14450 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
14452 * diagnostic.h: Include options.h.
14453 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
14454 dependancies for diagnostic.h.
14455 * Makefile.in (DIAGNOSTIC_H): Add options.h.
14457 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
14459 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
14460 (ssa_ro_call_cache_valid): Ditto.
14461 * tree-ssa-alias.c (sort_tags_by_id): New function.
14462 (init_transitive_clobber_worklist): Ditto.
14463 (add_to_worklist): Ditto.
14464 (mark_aliases_call_clobbered): Ditto.
14465 (compute_tag_properties): Ditto.
14466 (set_initial_properties): Ditto.
14467 (compute_call_clobbered): Ditto.
14468 (compute_may_aliases): Call compute_call_clobbered and grouping.
14469 (compute_flow_sensitive_aliasing): Remove clobbering related code.
14470 (compute_flow_insensitive_aliasing): Grouping now happens in our
14472 (setup_pointers_and_addressables): Remove clobbering related code.
14473 (add_may_alias): Ditto.
14474 (replace_may_alias): Ditto.
14475 (get_nmt_for): Ditto.
14476 (create_global_var):
14477 (is_escape_site): Return an escape_type enumeration.
14478 * tree-flow-inline.h (is_call_clobbered): Global var does not
14479 imply call clobbered.
14480 (mark_call_clobbered): Take a reason for marking this. Remove
14481 marking of globalness, and cache invalidation.
14482 (clear_call_clobbered): Remove cache invalidation code.
14483 * tree-dfa.c (dump_variable): If details is on, dump the reason
14485 * tree-outof-ssa.c (create_temp): Copy escape mask from original
14487 * tree-flow.h (struct ptr_info_def): Add escape mask member.
14488 (struct var_ann_d): Ditto.
14489 (enum escape_type): New.
14490 (mark_call_clobbered): Adjust prototype.
14491 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
14492 are never call clobbered.
14493 Record reasons for escaping.
14494 * tree-ssa-structalias.h (is_escape_site): Update prototype.
14495 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
14496 (ssa_ro_call_cache_valid): Ditto.
14497 (clobbered_v_may_defs): Ditto.
14498 (clobbered_vuses): Ditto.
14499 (ro_call_vuses): Ditto.
14500 (clobber_stats): New.
14501 (init_ssa_operands): Zero out clobber stats.
14502 (fini_ssa_operands): Print out clobber stats.
14503 (get_call_expr_operands): Pass callee fndecl to
14504 add_call_read_ops).
14505 (add_call_clobber_ops): Remove use of cache.
14506 Add use of PURE_CONST information.
14507 (add_call_read_ops): Remove use of cache.
14508 Add use of static not_read information.
14510 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
14512 Introduce TLS descriptors for i386 and x86_64.
14513 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
14514 (TARGET_ANY_GNU_TLS): New macro.
14515 (enum tls_dialect): Added TLS_DIALECT_GNU2.
14516 (struct machine_function): Add tls_descriptor_call_expanded_p.
14517 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
14518 (ix86_current_function_calls_tls_descriptor): Likewise.
14519 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
14520 (override_options): Introduce gnu2 tls dialect.
14521 (ix86_frame_pointer_required): Functions containing TLSCALLs are
14523 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
14525 (legitimize_tls_address): Adjust logic for GNU2 TLS.
14526 (ix86_init_machine_status): Initialize new field.
14527 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
14528 (ix86_tls_module_base): New.
14529 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
14530 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
14531 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
14532 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
14533 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
14534 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
14535 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
14536 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
14537 * config/i386/predicates.md (tls_modbase_operand): New.
14538 (tp_or_register_operand): New.
14540 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
14542 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
14543 (look_for_address_of): Ditto.
14544 (ipa_init): Walk the function decls.
14545 (static_execute): Don't set readonly on FUNCTION_DECL's.
14547 2006-01-18 Roger Sayle <roger@eyesopen.com>
14549 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
14550 for shifts where the source and destination registers are different.
14552 2006-01-18 Paul Brook <paul@codesourcery.com>
14554 Merge from csl-arm-branch.
14555 2005-03-14 Julian Brown <julian@codesourcery.com>
14556 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
14557 (aeabi_llsl): Likewise.
14558 (ashrdi3): Likewise.
14559 (aeabi_lasr): Likewise.
14560 (lshrdi3): Likewise.
14561 (aeabi_llsr): Likewise.
14562 2005-03-10 Julian Brown <julian@codesourcery.com>
14563 * config.gcc: Disable shared libgcc for SymbianOS.
14564 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
14566 2006-01-18 DJ Delorie <dj@redhat.com>
14568 * c-pragma.c (handle_pragma_diagnostic): New.
14569 (init_pragma): Register it.
14570 * doc/extend.texi: Document it.
14572 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
14573 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
14574 (diagnostic_context): Add classify_diagnostic[].
14575 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
14576 as errors if they're overridden to DK_WARNING.
14577 (diagnostic_initialize): Initialize classify_diagnostic[].
14578 (diagnostic_set_kind_override): New.
14579 (diagnostic_report_diagnostic): Check for kind changes.
14580 * opts.c (common_handle_option): Take lang_mask. Update callers.
14581 Handle OPT_Werror_.
14582 * common.opt (Werror=): New.
14583 * doc/invoke.texi: Document -Werror=*
14585 2006-01-18 Jeff Law <law@redhat.com>
14587 * tree-vrp.c (test_for_singularity): Correct test for new
14588 min limit. Use operand_equal_p rather than pointer equality
14589 for testing if new min/max values are equal.
14591 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
14592 using range information until after propagation and folding.
14594 2006-01-18 Richard Henderson <rth@redhat.com>
14595 Aldy Hernandez <aldyh@redhat.com>
14596 Jakub Jelinek <jakub@redhat.com>
14597 Diego Novillo <dnovillo@redhat.com>
14599 * omp-low.c: New file.
14600 * c-omp.c: New file.
14602 2006-01-18 Richard Henderson <rth@redhat.com>
14603 Jakub Jelinek <jakub@redhat.com>
14604 Diego Novillo <dnovillo@redhat.com>
14606 * doc/invoke.texi: Document -fopenmp.
14607 * tree-dump.h (debug_function): Declare.
14608 * hooks.c (hook_bool_tree_bool_false): New function.
14609 (hook_tree_tree_null): Remove.
14610 (hook_tree_tree_tree_null): New.
14611 * hooks.h: Update to match.
14612 * tree-pretty-print.c (debug_tree_chain): New.
14613 (print_generic_expr): Handle TDF_CHAIN.
14614 (dump_generic_node): Handle BLOCK.
14615 Do not abort with incomplete SWITCH_EXPRs.
14616 Do not dump body of an OpenMP directive if TDF_SLIM is given.
14617 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
14618 print space after directive name.
14619 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
14620 Handle OMP_MASTER and OMP_ORDERED.
14621 Handle printing of OMP_BODY just in one place, goto
14622 dump_omp_body in the rest of OMP_* nodes that have
14624 Don't handle clause nodes here. Update omp statements to
14625 use dump_omp_clauses.
14626 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
14627 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
14628 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
14629 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
14630 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
14631 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
14632 Adjust output for GOMP_PARALLEL.
14633 (dump_omp_clauses): New.
14634 (print_declaration): Dump DECL_VALUE_EXPR.
14635 (op_symbol_1): Split out of op_symbol.
14636 (dumping_stmts): Remove. Update all users.
14637 * cgraph.c (cgraph_analyze_queue): New.
14638 (cgraph_add_new_function): New.
14639 * cgraph.h (cgraph_analyze_queue): Declare.
14640 (cgraph_add_new_function): Declare.
14641 (cgraph_lower_function): Remove.
14642 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
14643 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
14644 and TYPE_P nodes in its default clause.
14645 (empty_body_p): New.
14646 (tree_range_check_failed): New.
14647 (build5_stat): New.
14648 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
14649 OMP_CLAUSE_REDUCTION_MERGE,
14650 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
14651 OMP_CLAUSE_PRIVATE_DEBUG,
14652 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
14653 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
14654 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
14655 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
14656 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
14657 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
14658 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
14659 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
14660 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
14661 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
14662 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
14663 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
14664 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
14665 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
14666 (TREE_RANGE_CHECK): New.
14667 (empty_body_p): Declare.
14668 (enum omp_clause_default_kind): New.
14669 (build_string_literal): Declare.
14670 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
14671 (build5_stat, build5): Declare.
14672 * tree-pass.h (TDF_CHAIN): Define.
14673 * tree-pass.h (PROP_gimple_lomp): Define.
14674 (pass_lower_omp): Declare.
14675 * diagnostic.h (debug_tree_chain): Declare.
14676 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
14678 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
14679 * builtins.c (build_string_literal): Make extern.
14680 * gcc.c (include_spec_function): New.
14681 (static_spec_functions): Add it.
14682 (main): Move load of libgomp.spec ...
14683 (LINK_COMMAND_SPEC): ... here.
14684 (link_gomp_spec): New.
14685 (static_specs): Include it.
14686 (LINK_COMMAND_SPEC): Add link_gomp.
14687 (GOMP_SELF_SPECS): New.
14688 (driver_self_specs): Include it.
14689 (switch_matches): Don't mark inline.
14690 (main): Load libgomp.spec.
14691 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
14692 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
14693 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
14694 * tree-gimple.h (enum omp_parallel): Declare.
14695 (determine_parallel_type): Declare.
14696 (omp_firstprivatize_variable): Declare.
14697 (omp_reduction_init): Declare.
14698 (diagnose_omp_structured_block_errors): Declare.
14699 (struct walk_stmt_info): Add want_return_expr.
14700 (struct walk_stmt_info): Add want_bind_expr, want_locations.
14701 (find_omp_clause): Declare.
14702 (insert_field_into_struct): Declare.
14703 (struct walk_stmt_info): Move from tree-nested.c
14704 (walk_stmts): Declare.
14705 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
14707 * cgraphunit.c (cgraph_lower_function): Make static.
14708 (cgraph_finalize_pending_functions): New.
14709 (cgraph_finalize_function): Call it.
14710 (cgraph_finalize_compilation_unit): Likewise.
14711 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
14712 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
14713 (BT_FN_UINT_UINT): New.
14714 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
14715 DEF_FUNCTION_TYPE_VAR_4): Document.
14716 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
14717 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
14718 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
14719 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
14720 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
14721 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
14722 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
14723 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
14724 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
14725 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
14726 into separate files.
14727 (DEF_GOMP_BUILTIN): New.
14728 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
14729 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
14730 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
14731 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
14732 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
14733 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
14734 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
14735 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
14736 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
14737 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
14738 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
14739 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
14740 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
14741 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
14742 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
14743 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
14744 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
14745 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
14746 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
14747 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
14748 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
14749 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
14750 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
14751 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
14752 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
14753 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
14754 * sync-builtins.def: New file, moved from builtins.def.
14755 * omp-builtins.def: New file, moved from builtins.def.
14756 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
14757 * gimple-low.c (lower_function_body): Clear data.
14758 (lower_stmt): Do not handle COMPOUND_EXPR.
14759 Remove call to print_node_brief.
14760 * c-tree.h (c_finish_omp_clauses): New prototype.
14761 (C_DECL_THREADPRIVATE_P): Define.
14762 (lookup_name_no_remap, c_omp_remap_private): Remove
14763 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
14764 (check_for_loop_decls): Update decl.
14765 (lookup_name_no_remap, c_omp_remap_private): Declare.
14766 (build_indirect_ref, build_modify_expr, pushdecl,
14767 pushdecl_top_level): Move to c-common.h.
14768 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
14769 before the switch, but just in the 2 places that need it.
14770 * c-decl.c (diagnose_mismatched_decls): Do not check for
14771 mismatched thread-local attributes when OLDDECL is marked
14772 threadprivate and NEWDECL has no thread-local attributes.
14773 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
14774 (c_gimple_diagnostics_recursively): Rename from
14775 c_warn_unused_result_recursively. Invoke
14776 diagnose_omp_structured_block_errors.
14777 (check_for_loop_decls): Return a singular decl found.
14778 * langhooks.c (lhd_omp_predetermined_sharing): Return
14779 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
14780 (lhd_omp_firstprivatize_type_sizes): New.
14781 (lhd_omp_assignment): New.
14782 (lhd_omp_predetermined_sharing): New.
14783 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
14784 (struct lang_hooks_for_types): Add
14785 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
14786 omp_predetermined_sharing, omp_disregard_value_expr,
14787 omp_private_debug_clause, omp_clause_default_ctor,
14788 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
14789 (c_finish_omp_clauses): New.
14790 (c_finish_bc_stmt): Diagnose break within omp for.
14791 (c_begin_omp_parallel, c_finish_omp_parallel): New.
14792 (build_unary_op): Return error_mark after reporting
14794 (build_modify_expr): Likewise.
14795 * gimplify.c: Include optabs.h and pointer-set.h.
14796 (enum gimplify_omp_var_data): Declare.
14797 (struct gimplify_omp_ctx): Declare.
14798 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
14800 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
14801 (push_gimplify_context, pop_gimplify_context): Allow nesting.
14802 (splay_tree_compare_decl_uid): New.
14803 (new_omp_context): New.
14804 (delete_omp_context): New.
14805 (gimple_add_tmp_var): Call omp_add_variable.
14806 (gimplify_bind_expr): Likewise.
14807 (gimplify_var_or_parm_decl): If omp_notice_variable returned
14808 true, disregard DECL_VALUE_EXPR on the decl if any.
14809 (gimplify_expr_in_ctx): New.
14810 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
14811 omp_add_variable, omp_notice_variable, omp_is_private
14812 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
14813 gimplify_adjust_omp_clauses, gimplify_omp_parallel
14814 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
14815 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
14816 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
14817 gimplify_omp_atomic): New.
14818 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14819 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14820 OMP_CRITICAL and OMP_ATOMIC.
14821 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
14822 * c-pragma.h (enum pragma_kind): Add
14823 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
14824 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
14825 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
14826 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
14827 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
14828 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
14829 PRAGMA_OMP_THREADPRIVATE.
14830 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14831 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14832 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
14833 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
14834 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
14835 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
14836 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
14837 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
14838 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
14839 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
14840 * tree-ssa-dce.c (find_control_dependence): Do not assume that
14841 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
14842 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
14844 (struct nesting_info): Add field_map,
14845 suppress_expansion, debug_var_chain.
14846 (create_nesting_tree): Initialize them.
14847 (lookup_field_for_decl): Use field_map.
14848 (get_nonlocal_debug_decl, get_local_debug_decl): New.
14849 (convert_local_omp_clauses): New.
14850 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
14851 (walk_body): Split out of walk_function.
14852 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
14853 (convert_nonlocal_reference): Handle omp statements.
14854 (convert_local_reference): Likewise.
14855 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
14856 (unnest_nesting_tree): New.
14857 (lower_nested_functions): Call it.
14858 (insert_field_into_struct): Make extern.
14859 (struct walk_stmt_info): Move to tree-gimple.h.
14860 (walk_stmts): Make extern.
14861 * omp-builtins.def: New file.
14862 * tree-iterator.c (expr_only): Clarify comment.
14863 * c-common.h (pushdecl_top_level, pushdecl,
14864 build_modify_expr, build_indirect_ref,
14865 c_finish_omp_master, c_finish_omp_critical,
14866 c_finish_omp_ordered, c_finish_omp_barrier,
14867 c_finish_omp_atomic, c_finish_omp_flush,
14868 c_finish_omp_for, c_split_parallel_clauses,
14869 omp_clause_default_kind, c_omp_sharing_predetermined,
14870 c_omp_remap_decl): Declare.
14871 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
14872 (OBJS-common): Add omp-low.o.
14873 (c-omp.o, omp-low.o): Add.
14874 (gimplify.o): Add dependency on $(OPTABS_H).
14875 (GTFILES): Add omp-low.c.
14876 (gt-stringpool.h): Add.
14877 * tree-cfg.c (set_bb_for_stmt): Do not update the
14878 block-to-labels map if we are currently expanding to RTL.
14879 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
14881 Handle IDENTIFIER_NODE.
14882 (tree_verify_flow_info): Do not ICE when emitting error
14883 messages about invalid labels.
14884 (dump_function_to_file): Reset CFUN before emitting the body
14886 (debug_function): New.
14887 * passes.c (init_optimization_passes): Schedule
14889 * langhooks-def.h (lhd_omp_predetermined_sharing,
14890 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
14892 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
14893 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
14894 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
14895 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
14896 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
14897 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
14898 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
14899 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
14900 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
14901 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
14902 (LANG_HOOK_DECLS): Use them.
14904 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
14905 Richard Henderson <rth@redhat.com>
14906 Jakub Jelinek <jakub@redhat.com>
14907 Diego Novillo <dnovillo@redhat.com>
14909 * c-parser.c (pragma_omp_clause): Define.
14910 (c_parser_declaration_or_fndef): Document OpenMP syntax.
14911 (c_parser_compound_statement): Likewise.
14912 (c_parser_statement): Likewise.
14913 (c_parser_pragma): Handle omp pragmas.
14914 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
14915 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
14916 (c_parser_omp_clause_name, check_no_duplicate_clause,
14917 c_parser_omp_variable_list,
14918 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
14919 c_parser_omp_clause_copyprivate,
14920 c_parser_omp_clause_default,
14921 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
14922 c_parser_omp_clause_lastprivate,
14923 c_parser_omp_clause_nowait,
14924 c_parser_omp_clause_num_threads,
14925 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
14926 c_parser_omp_clause_reduction,
14927 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
14928 c_parser_omp_all_clauses, c_parser_omp_structured_block,
14929 c_parser_omp_atomic, c_parser_omp_barrier,
14930 c_parser_omp_critical, c_parser_omp_flush,
14931 c_parser_omp_for_loop, c_parser_omp_for,
14932 c_parser_omp_master, c_parser_omp_ordered,
14933 c_parser_omp_sections_scope, c_parser_omp_sections,
14934 c_parser_omp_parallel, c_parser_omp_single,
14935 c_parser_omp_construct, c_parser_omp_threadprivate): New.
14936 * c-pragma.c (init_pragma): Do omp pragma registration here.
14937 * c.opt (fopenmp): New flag.
14939 2006-01-18 Eric Christopher <echristo@apple.com>
14941 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
14942 * config/darwin.h (GOMP_SELF_SPECS): Define.
14944 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14946 * rtl.h: Remove the prototype for reg_alloc.
14948 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14951 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
14952 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
14953 sjlj and dwarf2 exception handling.
14954 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
14955 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
14956 * pa/pa.c (function_value): Treat complex and vector types as
14958 (function_arg): Likewise. Only pass scalar floats in the floating
14959 point argument registers.
14960 * pa/t-slibgcc-dwarf-ver: New file.
14961 * pa/t-slibgcc-sjlj-ver: New file.
14962 * pa/t-slibgcc-elf-ver: Delete file.
14964 2006-01-19 Alan Modra <amodra@bigpond.net.au>
14966 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
14967 unlikely_test_section_p test.
14969 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14971 * mode-switching.c (optimize_mode_switching): Make it static.
14972 * basic-block.h: Remove the prototype for
14973 optimize_mode_switching.
14975 * modulo-sched.c (sms_schedule): Make it static.
14976 * rtl.h: Remove the prototype for sms_schedule.
14978 * postreload-gcse.c (gcse_after_reload_main): Make it static.
14979 * rtl.h: Remove the prototype for gcse_after_reload_main.
14981 * reg-stack.c (reg_to_stack): Make it static.
14982 * rtl.h: Remove the prototype for reg_to_stack.
14984 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
14986 * rtl.h: Remove the prototypes for regrename_optimize and
14987 copyprop_hardreg_forward.
14989 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
14991 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
14992 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
14993 Test against the appropriate null constant for the mode.
14994 If 'fixup_overlap' is true, swap the operands if they overlap.
14995 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
14996 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
14997 alpha_split_tmode_pair and adjust for above change.
14998 * config/alpha/alpha.md (movtf_internal): Adjust call to
14999 alpha_split_tfmode_pair and rely on it to swap the operands.
15000 (movti_internal): New insn and post-reload splitter.
15001 (movti): New expander.
15003 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15005 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15008 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15010 * rtlanal.c (global_reg_mentioned_p_1,
15011 global_reg_mentioned_p): Remove.
15012 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15014 * flow.c (initialize_uninitialized_subregs): Make it static.
15015 * rtl.h: Remove the prototype for
15016 initialize_uninitialized_subregs.
15018 * function.c (instantiate_virtual_regs): Make it static.
15019 * function.h: Remove the prototype for
15020 instantiate_virtual_regs.
15022 * regmove.c (regmove_optimize, combine_stack_adjustments):
15024 * rtl.h: Remove the prototypes for regmove_optimize and
15025 combine_stack_adjustments.
15027 2006-01-17 Roger Sayle <roger@eyesopen.com>
15029 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15030 (size_cost): Encode costs in bytes so that a reg-reg addition is
15031 equivalent to COSTS_N_INSNS(1).
15032 (override_options): Use the size_cost.branch_cost as the default
15033 ix86_branch_cost when optimizing for size.
15035 2006-01-18 Ben Elliston <bje@au.ibm.com>
15037 * Makefile.in (D32PBIT_FUNCS): New.
15038 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15039 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15040 D64PBIT_FUNCS and D128PBIT_FUNCS.
15041 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15042 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15044 (decnumber_dep): Define.
15045 * doc/libgcc.texi (Decimal float library routines): New node.
15046 * config/dfp-bit.h, config/dfp-bit.c: New files.
15048 2006-01-18 Ben Elliston <bje@au.ibm.com>
15050 * expr.c (emit_move_change_mode): Always adjust addresses, not
15051 just during reload. Copy replacements only during reload.
15052 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
15053 emit_move_via_integer.
15055 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
15057 * Makefile.in (check-%, check-consistency): Use $${srcdir}
15058 instead of $(srcdir) and ${srcdir}.
15060 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
15063 PR middle-end/11135
15064 * arm.h (struct machine_function): Add pic_reg.
15065 * arm.c (arm_pic_register): Make unsigned.
15066 (arm_override_options): Only set arm_pic_register if
15067 TARGET_SINGLE_PIC_BASE.
15068 (use_return_insn): Only test for a pic register if it is fixed.
15069 (arm_compute_save_reg0_reg12_mask): Likewise.
15070 (thumb_compute_save_reg_mask): Likewise.
15071 (legitimate_pic_operand): Factor out some known invariants.
15072 (legitimize_pic_address): If we don't have a fixed pic register,
15073 then set up a pseudo in the function entry sequence. Handle the
15074 pic base being in a pseudo.
15075 (arm_load_pic_register): Handle the pic register being in a pseudo.
15076 (arm_expand_prologue): Only set up the pic register if it is fixed.
15077 (thumb_expand_prologue): Likewise.
15078 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15079 (pic_load_addr_based_insn): Likewise.
15080 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15083 2006-01-18 Ben Elliston <bje@au.ibm.com>
15085 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15086 decimal float modes for all floating point registers.
15088 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15089 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15091 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15094 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15095 even when the pointer is not NULL.
15097 2006-01-16 Ian Lance Taylor <ian@airs.com>
15099 * common.opt (ftoplevel-reorder): New option.
15100 * cgraph.c (cgraph_asm_nodes): New global variable.
15101 (cgraph_asm_last_node): New static variable.
15102 (cgraph_order): New global variable.
15103 (cgraph_create_node): Set new order field.
15104 (cgraph_varpool_node): Likewise.
15105 (decide_is_variable_needed): Return true if not
15106 flag_toplevel_reorder.
15107 (cgraph_add_asm_node): New function.
15108 * cgraph.h (struct cgraph_node): Add order field.
15109 (struct cgraph_varpool_node): Add order field.
15110 (struct cgraph_asm_node): Define.
15111 (cgraph_asm_nodes, cgraph_order): Declare.
15112 (cgraph_add_asm_node): Declare.
15113 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15115 (cgraph_varpool_assemble_pending_decls): Call it.
15116 (cgraph_output_pending_asms): New static function.
15117 (cgraph_finalize_compilation_unit): Call it.
15118 (struct cgraph_order_sort): Define.
15119 (cgraph_output_in_order): New static function.
15120 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15121 !flag_toplevel_reorder case.
15122 * c-parser.c: Include "cgraph.h".
15123 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
15125 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15126 than -fno-unit-at-a-time.
15127 * doc/invoke.texi (Option Summary): Mention
15128 -fno-toplevel-reorder.
15129 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15130 -funit-at-a-time documentation.
15132 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
15133 Kazu Hirata <kazu@codesourcery.com>
15135 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
15137 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
15139 * Makefile.in (FUNCTION_H): New. Use it instead of
15140 function.h throughout the file.
15141 * function.h: Include tree.h.
15143 2006-01-17 Ben Elliston <bje@au.ibm.com>
15145 * recog.c: Separate some functions with whitespace.
15147 2006-01-16 Richard Henderson <rth@redhat.com>
15149 Merge from gomp branch:
15150 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
15151 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
15152 and rename from struct inline_data. Rename callee* to dst*;
15153 caller* to src*; add copy_decl hook, transform_call_graph_edges,
15154 transform_new_cfg, transform_return_to_modify, and
15155 transform_lang_insert_block flags; remove cloning_p, versioning_p,
15157 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
15158 (copy_decl_for_dup): Remove.
15159 * tree-inline.c (struct inline_data): Move to header.
15160 (insert_decl_map): Export.
15161 (remap_decl): Update for member name changes. Use copy_decl hook.
15162 Allow for replacement to be a non-decl. Remove dead code.
15163 (remap_type_1): Check for existing mapping.
15164 (remap_type): Export.
15165 (remap_decls): Update for member name changes.
15166 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
15167 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
15168 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
15169 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
15170 (tree_function_versioning, build_duplicate_type): Likewise.
15171 (copy_body_r): Likewise. Export.
15172 (copy_decl_for_dup): Split into ...
15173 (copy_decl_for_dup_finish, copy_decl_to_var,
15174 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
15175 (replace_ref_tree, inlining_p): Remove.
15177 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15179 * ifcvt.c (if_convert): Make it static.
15180 * rtl.h: Remove the prototype for if_convert.
15182 * local-alloc.c (local_alloc): Make it static.
15183 * rtl.h: Remove the prototype for local_alloc.
15185 * loop.c (loop_optimize): Make it static.
15186 * cfgloop.h: Remove the prototype for loop_optimize.
15189 2006-01-16 DJ Delorie <dj@redhat.com>
15191 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
15194 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15196 * pa.md: Disparage copies between general and floating-point registers
15197 in 32-bit move patterns.
15199 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
15202 * Makefile.in (check-%): Depend on site.exp instead of
15203 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
15206 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15208 * global.c (global_alloc): Make it static.
15209 * rtl.h: Remove the prototype for global_alloc.
15211 2006-01-16 Richard Guenther <rguenther@suse.de>
15213 * tree-ssa-alias.c (struct used_part): Add write_only field.
15214 (get_or_create_used_part_for): Initialize it to true.
15215 (create_overlap_variables_for): Don't create structure variables
15216 for structures that only are written to.
15217 (find_used_portions): Handle MODIFY_EXPR to track whether a
15218 structure is only written to.
15220 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15222 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
15224 * basic-block.h: Remove the prototype for
15225 partition_hot_cold_basic_blocks.
15227 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
15229 * cppspec.c (lang_specific_spec_functions): Remove.
15230 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
15231 * gcc.h (lang_specific_spec_functions): Remove.
15232 * gccspec.c (lang_specific_spec_functions): Remove.
15234 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
15236 * combine.c (record_value_for_reg): Invalidate registers
15238 (record_dead_and_set_regs_1): Likewise, by passing them to
15239 record_value_for_reg.
15240 (record_dead_and_set_regs): Invalidate stores made by a
15241 call. We do not combine across a call, but we still
15242 relied on equivalences.
15244 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15246 * tree-vrp.c (extract_range_from_binary_expr): Cope with
15247 vrp_int_const_binop returning non-constant nodes.
15249 2006-01-16 Paul Brook <paul@codesourcery.com>
15251 * config/m68k/m68k.c (output_move_const_into_data_reg):
15252 Output correct mnemonic for mvz and mvs.
15254 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
15256 * rtl-factoring.c: Add sequence abstraction algorithm.
15257 * cfgcleanup.c (outgoing_edges_match): Extra checks.
15258 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
15260 (block_has_preserve_label): New function.
15261 * common.opt: Register new pass.
15262 * Makefile.in: Ditto.
15264 * timevar.def: Ditto.
15265 * tree-pass.h: Ditto.
15266 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
15267 * rtl.h (make_jump_insn_raw): Add forward decl.
15268 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
15270 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15271 Roger Sayle <roger@eyesopen.com>
15273 * fold-const.c (fold_minmax): New static function.
15274 (fold_binary) <MIN_EXPR>: Call it.
15275 <MAX_EXPR>: Likewise.
15276 * stor-layout.c (place_field): Use DECL_SIZE consistently
15277 in the computation of the new record size.
15279 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15281 * cse.c (cse_condition_code_reg): Make it static.
15282 * rtl.h: Remove the prototype for cse_condition_code_reg.
15284 * combine.c (combine_instructions): Make it static.
15285 * rtl.h: Remove the prototype for combine_instructions.
15287 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15290 * tree.c (get_file_function_name_long): Concatenate the first global
15291 object name with a string derived from the input filename of the object
15294 2006-01-16 Ben Elliston <bje@au.ibm.com>
15296 * config/i386/winnt-stubs.c: Update FSF address.
15297 * config/xtensa/ieee754-df.S: Ditto.
15298 * config/xtensa/ieee754-sf.S: Ditto.
15300 2006-01-14 Ian Lance Taylor <ian@airs.com>
15302 * ifcvt.c (noce_init_if_info): New static function, broken out of
15303 noce_process_if_block.
15304 (noce_process_if_block): Call noce_init_if_info.
15305 (check_cond_move_block): New static function.
15306 (cond_move_process_if_block): New static function.
15307 (process_if_block): Call cond_move_process_if_block.
15309 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
15311 * cselib.c (hash_table): Rename to cselib_hash_table.
15312 (cselib_clear_table, discard_useless_values,
15313 remove_useless_values, cselib_lookup_mem, cselib_lookup,
15314 cselib_init, cselib_finish): Adjust uses of hash_table.
15316 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
15318 PR tree-optimization/25485
15319 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
15320 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
15321 is known to be false and true, respectively.
15323 2006-01-14 Richard Guenther <rguenther@suse.de>
15325 PR tree-optimization/22548
15326 PR tree-optimization/22555
15327 PR tree-optimization/22501
15328 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
15329 * params.def (salias-max-array-elements): New parameter.
15330 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
15331 * doc/invoke.texi (salias-max-array-elements): Document.
15332 * tree-flow-inline.h (var_can_have_subvars): We also handle
15334 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
15336 * tree-ssa-structalias.c (params.h): Include.
15337 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
15338 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
15339 (get_constraint_for): For ADDR_EXPR operating on something
15340 containing an ARRAY_REF, add all subvars to the solution.
15341 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
15342 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
15343 for creating MUST_DEFs.
15344 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
15346 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
15348 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
15350 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
15351 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
15352 number_of_iterations_le): New functions.
15353 (number_of_iterations_special): Removed.
15354 (number_of_iterations_exit): Do not use number_of_iterations_special.
15355 * tree.c (unsigned_type_for): Always return integer type.
15357 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
15358 Richard Guenther <rguenther@suse.de>
15360 PR rtl-optimization/24257
15361 * gcse.c (find_moveable_store): Only consider a store movable
15362 when the SET_SRC of the insn can be assigned to a register.
15364 2006-01-14 Ian Lance Taylor <ian@airs.com>
15366 * tree.c (tree_not_class_check_failed): New function.
15367 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
15368 (tree_not_class_check_failed): Declare.
15370 2006-01-13 Ian Lance Taylor <ian@airs.com>
15372 * reload1.c (do_output_reload): Add assertion rejecting a
15375 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
15377 * combine.c (struct reg_stat): Add new fields truncation_label and
15379 (record_value_for_reg): Reset truncated_to_mode.
15380 (record_truncated_value): New function.
15381 (check_promoted_subreg): Call it. Rename to check_conversions.
15382 (combine_instructions): Rename check_promoted_subreg to
15384 (reg_truncated_to_mode): New function.
15385 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
15386 (gen_lowpart_or_truncate): New function.
15387 (force_to_mode): Use it instead of gen_lowpart.
15389 2006-01-13 Diego Novillo <dnovillo@redhat.com>
15391 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
15392 VAR is a tag, not its type tag.
15394 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
15396 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
15397 alternatives to match style of other entries.
15398 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
15400 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
15402 PR tree-optimization/25771
15403 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
15406 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
15409 * tree-inline.c (declare_return_variable): If the return variable
15410 was marked as a non gimple complex, set the return slot variable
15411 to be a non gimple comple variable.
15413 2006-01-13 Richard Guenther <rguenther@suse.de>
15415 * builtins.c (expand_builtin_sincos): New function.
15416 (expand_builtin_mathfn_3): Remove dead code, sin and cos
15418 (expand_builtin): Expand sincos using expand_builtin_sincos.
15420 2006-01-12 DJ Delorie <dj@redhat.com>
15422 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
15423 shift counts, separate SI shifts for m32c vs m16c, pass shift type
15424 so that constant shifts can be split.
15425 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
15426 (m32c_valid_pointer_mode): Make static.
15427 (shift_gen_func_for): New.
15428 (m32c_prepare_shift): Use it. Split large const shifts into
15430 * config/m32c/predicates.md (shiftcount_operand): Allow more
15432 (longshiftcount_operand): New.
15433 * doc/md.texi (Machine Constraints): Document In6.
15435 2006-01-13 Ben Elliston <bje@au.ibm.com>
15437 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
15438 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
15441 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
15443 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
15444 to try to avoid clobbering pieces of structures when we know
15445 something about the whole structure.
15446 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
15448 2006-01-13 Ben Elliston <bje@au.ibm.com>
15450 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
15451 return in memory, as this is no limitation is no longer present.
15453 2006-01-12 DJ Delorie <dj@redhat.com>
15455 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
15456 mova with fb, and for fb+0 -> An.
15458 * config/m32c/mov.md (peephole2): Fix enabling logic.
15460 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
15461 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
15462 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
15463 FINI_ARRAY_SECTION_ASM_OP): Define.
15465 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
15467 (m32c_legitimize_reload_address): New logic to reload FB to An.
15468 (m32c_output_reg_push): Add newline.
15469 (m32c_output_reg_pop): Likewise.
15471 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
15473 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
15475 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
15477 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
15479 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15481 * config/sh/predicates.md (sh_rep_vec): Add parallel to
15484 2006-01-11 Ben Elliston <bje@au.ibm.com>
15486 * rtlanal.c (find_reg_note): Assert insn is not null.
15488 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15490 * df-scan.c (df_hard_reg_init): Move declaration of i outside
15493 2006-01-11 Jeff Law <law@redhat.com>
15495 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
15497 (mark_threaded_blocks, register_jump_thread): New functions.
15498 (thread_through_all_blocks): Remove unwanted argument. No
15499 longer rely on e->aux to communicate thread target info.
15500 Call mark_threaded_blocks. Release the threaded_blocks
15501 bitmap and threaded_edges vector when complete.
15502 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
15503 (threaded_blocks): Remove.
15504 (tree_ssa_dominator_optimize): Remove initialization and
15505 finalization of threaded_blocks. Simplify call to
15506 thread_through_all_blocks.
15507 (thread_across_edge): Call register_jump_thread rather than
15508 storing thread information into e->aux.
15509 (free_all_edge_infos): Simplify now that e->aux is no longer
15510 used to communicate with thread_through_all_blocks.
15511 * tree-flow.h (thread_through_all_blocks): Update prototype.
15512 (register_jump_thread): Prototype.
15514 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15516 * df-core.c (df_compact_blocks, df_bb_replace): Use
15517 SET_BASIC_BLOCK instead of BASIC_BLOCK.
15519 2006-01-11 Richard Guenther <rguenther@suse.de>
15521 PR tree-optimization/25734
15522 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
15523 stop propagation after successful propagation to the LHS.
15525 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15527 * basic-block.h (control_flow_graph): Change the type of
15528 x_basic_block_info to VEC(basic_block,gc) *.
15529 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
15531 (SET_BASIC_BLOCK): New.
15532 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
15533 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
15534 * cfgbuild.c (find_basic_blocks): Likewise.
15535 * cfglayout.c (fixup_reorder_chain): Likewise.
15536 * cfgrtl.c (create_basic_block_structure,
15537 rtl_create_basic_block): Likewise.
15538 * ifcvt.c (find_if_case_1): Likewise.
15539 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
15542 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15544 * Makefile.in: Removed rotted odf.c entry.
15546 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
15549 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
15550 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
15551 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
15552 output pattern modifier, not %e.
15553 * config/cris/cris.c (cris_op_str): Update comment about pattern
15555 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
15556 before falling through into...
15557 <case 'E'>: Redefined from old 'e' case.
15559 2006-01-11 Jan Hubicka <jh@suse.cz>
15562 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
15564 2006-01-11 Jan Hubicka <jh@suse.cz>
15566 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
15567 * i386.c (x86_decompose_lea): Kill.
15568 (ix86_rtx_costs): Kill.
15570 2006-01-11 Jan Hubicka <jh@suse.cz>
15572 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
15573 * cgraph.h (cgraph_node): Add inline_decl.
15574 (cgraph_insert_node_to_hashtable): Declare.
15575 (save_inline_function_body): Declare.
15576 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
15578 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
15579 (cgraph_function_versioning): Update call of tree_function_versioning.
15580 (save_inline_function_body): New function.
15581 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
15582 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
15583 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
15584 (cgraph_default_inline_p): Likewise.
15585 (cgraph_decide_inlining_incrementally): Likewise.
15586 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
15587 (copy_bb): Kill saving; do updating of clones.
15588 (copy_cfg_body): Kill saving.
15589 (initialize_inlined-parameters): Likewise.
15590 (expand_call_inline): Likewise.
15592 (tree_function_versioning): New parameter "update_clones".
15593 (inlining_p): Kill saving.
15594 * tree-inline.h (tree_function_versioning): Update prototype.
15595 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
15598 2006-01-11 Ian Lance Taylor <ian@airs.com>
15600 * combine.c (struct undo): Remove is_int. Enumify types of undos.
15601 Allow undoing set of machine mode.
15602 (do_SUBST): Use enums instead of is_int.
15603 (do_SUBST_MODE): New function.
15604 (SUBST_MODE): New macro.
15605 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
15606 reg and trying to replace reg_regno_rtx with a new register.
15607 (undo_all): Use new enums, handle undoing a PUT_MODE change.
15608 (simplify_set): Use SUBST_MODE.
15609 (distribute_notes): Remove code that tried to update reg notes
15610 for regno_reg_rtx changes.
15612 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
15614 PR tree-optimization/23109
15615 PR tree-optimization/23948
15616 PR tree-optimization/24123
15618 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
15619 * tree-cfg.c (single_noncomplex_succ): New.
15620 * tree-flow.h (single_noncomplex_succ): Declare it.
15621 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15622 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15623 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
15624 insert_bb, register_division_in, insert_reciprocals,
15625 replace_reciprocal, free_bb): New.
15626 (execute_cse_reciprocals_1): Rewritten.
15627 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
15628 Do not commit any edge insertion. Always compute dominators and
15629 create the allocation pool.
15630 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
15631 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
15632 * targhooks.c (default_min_divistions_for_recip_mul): New.
15633 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
15634 * passes.c (init_optimization_passes): Run recip after tree loop
15636 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
15638 2006-01-11 Danny Berlin <dberlin@dberlin.org>
15639 Kenneth Zadeck <zadeck@naturalbridge.com>
15641 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
15642 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
15643 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
15644 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
15645 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
15646 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
15647 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
15648 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
15649 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
15650 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
15651 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
15652 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
15653 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
15654 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
15655 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
15656 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
15657 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
15658 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
15659 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
15660 DF_SCAN_POST_ALLOC): New macros.
15661 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
15662 df_free_bb_function, df_local_compute_function, df_init_function,
15663 df_dataflow_function, df_confluence_function_0,
15664 df_confluence_function_n, df_transfer_function,
15665 df_finalizer_function, df_free_function, df_dump_problem_function,
15666 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
15667 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
15668 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
15669 df_urec_bb_info, ) New types.
15670 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
15672 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
15673 df_analyze_simple_change_some_blocks,
15674 df_analyze_simple_change_one_block, df_compact_blocks,
15675 df_bb_replace, df_bb_regno_last_use_find,
15676 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
15677 df_insn_regno_def_p, df_find_def, df_find_use,
15678 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
15679 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
15680 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
15681 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
15682 debug_df_chain, df_get_dependent_problem, df_chain_create,
15683 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
15684 df_grow_bb_info, df_chain_dump, df_print_bb_index,
15685 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
15686 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
15687 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
15688 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
15689 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
15690 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
15691 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
15692 df_ref_remove, df_insn_refs_delete, df_refs_delete,
15693 df_reorganize_refs, df_set_state, df_hard_reg_init,
15694 df_read_modify_subreg_p) New public functions.
15695 * df-core.c: The core dataflow solver and glue routines for rtl
15697 (df_init, df_add_problem, df_set_blocks, df_finish,
15698 df_hybrid_search_forward, df_hybrid_search_backward,
15699 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
15700 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
15701 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
15702 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
15703 df_reg_defined, df_find_use, df_reg_used, df_dump,
15704 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
15705 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
15706 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
15707 debug_df_useno, reset_df_after_reload): New functions.
15708 * df-scan.c: The scanning fuctions, once in df.c, completely
15709 rewritten so that they now fully model the functionality of
15710 register usage at the backend.
15711 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
15712 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
15713 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
15714 df_grow_insn_info, df_rescan_blocks, df_ref_create,
15715 df_get_artificial_defs, df_get_artificial_uses,
15716 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
15717 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
15718 df_refs_delete, df_reorganize_refs, df_set_state,
15719 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
15720 df_def_record_1, df_defs_record, df_uses_record,
15721 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
15722 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
15723 df_record_exit_block_uses, df_hard_reg_init): New functions.
15725 * df-problems.c: Seven concrete dataflow problems that use the
15726 scanning in df-scan.c and are solved by the engine in df-core.c.
15727 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
15728 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
15729 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
15730 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
15731 df_ru_free_bb_info, df_ru_alloc,
15732 df_ru_bb_local_compute_process_def,
15733 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
15734 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
15735 df_ru_transfer_function, df_ru_free, df_ru_dump,
15736 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
15737 df_rd_free_bb_info, df_rd_alloc,
15738 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
15739 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
15740 df_rd_transfer_function, df_rd_free, df_rd_dump,
15741 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
15742 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
15743 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
15744 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
15745 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
15746 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
15747 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
15748 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
15749 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
15750 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
15751 df_urec_mark_reg_change, df_urec_check_earlyclobber,
15752 df_urec_mark_reg_use_for_earlyclobber,
15753 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
15754 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
15755 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
15756 df_urec_dump, df_urec_add_problem, df_chain_alloc,
15757 df_chain_create_bb_process_use, df_chain_create_bb,
15758 df_chain_finalize, df_chain_free, df_chains_dump,
15759 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
15760 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
15761 df_reg_lifetime): New functions.
15762 * df.c: Deleted file.
15763 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
15764 consistent with new df api.
15765 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
15766 rest_of_handle_sms): Ditto.
15767 * web.c (unionfind_union, union_defs, entry_register, web_main):
15769 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
15770 invariant_expr_equal_p, find_defs, check_dependencies,
15771 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
15772 free_inv_motion_data, move_loop_invariants): Ditto.
15773 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
15774 Update dependencies.
15775 (odf.c): Added defective entry that was deleted later in day.
15776 * sched-deps.c (sched_analyze_1): Ditto.
15778 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
15780 * tree-ssa-operands.c (get_expr_operands): Record addressable
15781 variables directly. Do not call add_stmt_operands for CONST_DECLs
15783 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
15784 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
15786 2006-01-11 Ben Elliston <bje@au.ibm.com>
15788 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
15789 function returns true in the positive case.
15791 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15794 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
15795 for SI, DI, SF and DF modes. Add alternatives to copy between
15796 general and floating point registers to the 32-bit patterns.
15797 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
15798 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
15799 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
15800 generating 64-bit code.
15801 * config/pa/pa.c (output_move_double): Handle copies between general
15802 and floating registers.
15804 2006-01-10 Stuart Hastings <stuart@apple.com>
15806 * config/i386/i386.md (set_got): Update.
15807 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
15808 (builtin_setjmp_receiver): Mach-O support.
15809 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
15810 (GOT_SYMBOL_NAME): Define.
15811 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
15812 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
15813 * config/i386/i386.c (override_options): Revise for Darwin.
15814 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
15815 support. (darwin_x86_file_end): New. (output_set_got): Add label
15816 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
15817 * config/i386/i386-protos.h (output_set_got): Likewise.
15818 * config/darwin.c (machopic_legitimize_pic_address): Update
15821 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
15823 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
15824 when MODE isn't BLKmode.
15826 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
15828 PR rtl-optimization/25367
15829 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
15831 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
15834 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
15835 for a negative bound.
15837 2006-01-10 Richard Guenther <rguenther@suse.de>
15839 * tree-ssa-structalias.c (get_constraint_for_component_ref):
15840 Never override with anything constraint.
15842 2006-01-10 Jan Beulich <jbeulich@novell.com>
15844 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
15845 256 bits when optimize_size.
15847 2006-01-10 Jan Beulich <jbeulich@novell.com>
15849 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
15851 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
15852 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
15855 2006-01-10 Ben Elliston <bje@au.ibm.com>
15857 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
15859 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
15860 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
15861 (USE_FP_FOR_ARG): Reject decimal float modes.
15862 (function_arg_advance): Likewise.
15863 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
15864 (rs6000_handle_altivec_attribute): Do not permit decimal floating
15865 point types in AltiVec vectors.
15866 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
15867 (rs6000_libcall_value): Likewise.
15869 2006-01-09 Bob Wilson <bob.wilson@acm.org>
15871 * config/xtensa/ieee754-df.S: New file.
15872 * config/xtensa/ieee754-sf.S: New file.
15873 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
15874 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
15875 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
15877 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
15879 * config/sh/predicates.md (binary_float_operator,
15880 binary_logical_operator, commutative_float_operator,
15881 equality_comparison_operator, greater_comparison_operator,
15882 less_comparison_operator, logical_operator,
15883 noncommutative_float_operator, shift_operator,
15884 symbol_ref_operand, unary_float_operator): Remove redundant
15887 2006-01-09 Jeff Law <law@redhat.com>
15889 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
15890 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
15891 now unused arguments. Callers updated.
15892 (eliminate_redundant_computations): Remove now unused arguments,
15894 (local_fold): Remove, no longer used.
15895 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
15897 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
15898 (simplify_cond): New function.
15899 (forward_propagate_into_cond): Call simplify_cond.
15901 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
15903 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
15904 (*vec_extractv2di_1_sse): New.
15906 2006-01-09 Ben Elliston <bje@au.ibm.com>
15908 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
15910 2006-01-08 Richard Guenther <rguenther@suse.de>
15912 * tree-ssa-structalias.c (get_constraint_for): Remove
15913 anyoffset argument.
15914 (get_constraint_for_component_ref): Likewise.
15915 (do_deref): Likewise.
15916 (get_constraint_for): Likewise.
15917 (do_structure_copy): Likewise.
15918 (handle_ptr_arith): Likewise.
15919 (find_func_aliases): Likewise. Remove unused need_anyoffset
15922 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
15923 Kaz Kojima <kkojima@gcc.gnu.org>
15925 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
15926 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
15927 (EXTRA_CONSTRAINT_C16): Remove.
15928 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
15929 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
15930 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
15931 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
15932 constants of SHmedia. Handle nested constant expressions of
15934 (andcosts): Fix the costs for SHmedia constants.
15935 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
15936 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
15937 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
15938 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
15939 (movv4hi_i, movv2si_i): Likewise.
15940 (movsi_const): Adjust the second operand of ior so to match with
15941 the Csu constraint.
15942 (movdi_const, movdi_const_32bit): Likewise.
15943 (movdi_const_16bit+1): Don't sign-extend LOW.
15944 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
15946 (*double_shori): Fix the split condition. Use GEN_INT instead
15947 of get_int_mode calls. Mask lower 16-bit of the argument of
15949 (sym2GOTPLT): Remove.
15950 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
15952 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
15953 instead of EXTRA_CONSTRAINT_C16.
15955 2006-01-07 Ian Lance Taylor <ian@airs.com>
15956 David Edelsohn <edelsohn@gnu.org>
15958 PR rtl-optimization/25662
15959 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
15960 for constant operands instead of simplify_gen_binary.
15961 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
15962 after trying simplify_binary_operation
15964 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
15966 * tree.c (iterative_hash_expr): Hash decls based on UID.
15968 2006-01-06 Eric Christopher <echristo@apple.com>
15970 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
15971 (TARGET_UNWIND_EMIT): Fix spelling.
15972 * target.h (gcc_target): Add except_table_label.
15973 * except.c (output_function_exception_table): Use.
15974 * varasm.c (default_emit_except_table_label): New.
15975 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
15977 (asm_out): Add here.
15978 * output.h (default_emit_except_table_label): Prototype.
15979 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
15980 * config/darwin.c (darwin_emit_except_table_label): Define.
15981 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
15983 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
15985 PR tree-optimization/18527
15986 * tree-ssa-loop-niter.c (number_of_iterations_cond,
15987 number_of_iterations_special, number_of_iterations_exit):
15988 Move base and step of an iv to a single structure. Add
15989 no_overflow flag, and use it in # of iterations analysis.
15990 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
15991 folded_casts argument.
15992 (simple_iv): Pass base and step in a structure. Set no_overflow
15994 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
15995 Evaluate expensiveness of computing # of iterations instead of
15996 the final expression.
15997 * tree-scalar-evolution.h (affine_iv): New structure.
15998 (simple_iv): Declaration changed.
15999 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16000 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16001 find_givs_in_stmt): Changed due to simple_iv change.
16003 2006-01-06 Jeff Law <law@redhat.com>
16006 * tree-cfg.c (bsi_replace): Rename final argument from
16007 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16008 change (stmt -> orig_stmt).
16009 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16010 (bsi_remove): Add new argument. Remove EH information
16012 (verify_eh_throw_table_statements): New function.
16013 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16015 * tree-optimize.c (execute_free_cfg_annotations): Verify
16016 the EH throw statement table after removing annotations.
16017 * except.h (verify_eh_throw_table_statements): Prototype.
16018 * tree-flow.h (bsi_remove): Update prototype.
16019 * tree-vrp.c (remove_range_assertions): Add new argument to
16021 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16022 * tree-complex.c (expand_complex_div_wide): Likewise.
16023 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16024 * tree-tailcall.c (eliminate_tailcall): Likewise.
16025 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16026 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16027 * tree-nrv.c (tree_nrv): Likewise.
16028 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16029 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16030 (combine_blocks): Likewise.
16031 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16032 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16033 (cleanup_control_flow): Likewise.
16034 (remove_forwarder_block): Likewise.
16035 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16036 * tree-sra.c (sra_replace): Likewise.
16037 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16038 (forward_propagate_single_use_vars): Likewise.
16039 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16040 * tree-inline.c (expand_call_inline): Likewise.
16041 * tree-vect-transform.c (vect_transform_loop): Likewise.
16042 * tree-outof-ssa.c (rewrite_trees): Likewise.
16043 * tree-cfg.c (make_goto_expr_edges): Likewise.
16044 (cleanup_dead_labels): Likewise.
16045 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16046 (bsi_move_before, bsi_move_after): Likewise.
16047 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16048 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
16050 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
16053 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
16055 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
16056 on non gimple variables. Also add checks at the top for decls and
16058 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
16060 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
16061 and IMAGPART_EXPR for creating MUST_DEFs.
16062 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
16063 and NAME_MEMORY_TAG separately from the DECLs.
16065 2006-01-06 Richard Guenther <rguenther@suse.de>
16067 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
16068 annotation, if necessary.
16069 * tree-ssa-pre.c (create_expression_by_pieces): Remove
16070 redundant calls to update_stmt.
16071 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16074 2006-01-05 Richard Henderson <rth@redhat.com>
16076 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16078 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16080 * c-typeck.c: Update copyright date.
16082 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16084 * c-typeck.c (build_c_cast): Always warn when casting
16085 from a pointer to an integer of different size, even if
16086 the node was constant.
16088 2006-01-05 Richard Guenther <rguenther@suse.de>
16090 PR tree-optimization/22555
16091 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16092 if one structure field is an array.
16093 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16094 operands even if we found a subvar, but ignore VOPs in this
16096 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16098 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16100 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16102 PR middle-end/24998
16103 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16105 2006-01-05 Richard Guenther <rguenther@suse.de>
16106 Diego Novillo <dnovillo@redhat.com>
16108 * tree-pass.h (TODO_remove_unused_locals): Define.
16109 * gimple-low.c (expand_var_p, remove_useless_vars,
16110 pass_remove_useless_vars): Remove. Update all users.
16111 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16112 (remove_unused_locals): New function.
16113 * tree-flow.h (remove_unused_locals): Declare.
16114 * passes.c (execute_todo): Call remove_unused_locals if
16115 TODO_remove_unused_locals is set.
16116 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16117 * tree-ssa-dce.c (pass_dce): Likewise.
16118 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16120 2006-01-05 Richard Guenther <rguenther@suse.de>
16122 * tree-flow.h (struct fieldoff): Decompose field to
16123 type, size and decl.
16124 * tree-ssa-alias.c (create_sft): Take type as parameter.
16125 (create_overlap_variables_for): Store type, size and decl
16126 in the fieldoff structure.
16127 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16128 of struct fieldoff.
16129 (push_fields_onto_fieldstack): Likewise.
16130 (create_variable_info_for): Likewise. Use offset for the
16131 SFT name if the decl is not available.
16133 2006-01-04 Paul Brook <paul@codesourcery.com>
16135 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
16137 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
16139 * lambda-code.c (can_put_in_inner_loop): Relax
16141 (can_put_after_inner_loop): New function.
16142 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
16143 (perfect_nestify): Change to make copies and modify uses.
16145 2006-01-04 Richard Henderson <rth@redhat.com>
16147 Merge from gomp branch:
16148 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
16149 via integer constant.
16150 (pragma_lex): Remove.
16151 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
16152 rather than parsing it.
16153 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
16154 handle_pragma_extern_prefix): Add %< %> quotes.
16155 (registered_pragmas): New.
16156 (c_register_pragma_1): New.
16157 (c_register_pragma): Use it.
16158 (c_register_pragma_with_expansion): Likewise.
16159 (c_invoke_pragma_handler): New.
16160 (init_pragma): Use cpp_register_deferred_pragma directly for
16162 * c-pragma.h (enum pragma_kind): New.
16163 (pragma_handler): New.
16164 (c_invoke_pragma_handler): Declare.
16165 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
16167 * c-common.h (c_common_pch_pragma): Update decl.
16168 * Makefile.in (c-parser.o): Update dependencies.
16169 (GTFILES): Add c-pragma.h.
16170 * c-parser.c (struct c_token): Add pragma_kind.
16171 (struct c_parser): Add in_pragma.
16172 (c_lex_one_token): Always initialize keyword and pragma_kind.
16173 Extract data for CPP_PRAGMA.
16174 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
16175 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
16176 Don't allow CPP_PRAGMA_EOL if in_pragma.
16177 (c_parser_consume_pragma): New.
16178 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
16179 (c_parser_skip_to_end_of_parameter): Likewise.
16180 (c_parser_skip_to_end_of_block_or_statement): Likewise.
16181 (c_parser_skip_to_pragma_eol): New.
16182 (c_parser_external_declaration): Handle CPP_PRAGMA.
16183 (c_parser_compound_statement_nostart): Likewise.
16184 (c_parser_statement_after_labels): Likewise.
16185 (c_parser_pragma): New.
16186 (pragma_lex): Likewise.
16187 (c_parser_pragma_pch_preprocess): New.
16188 (c_parser_new): Merge into ...
16189 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
16191 2006-01-04 Jeff Law <law@redhat.com>
16194 * tree-cfg.c (bsi_replace): Remove the original statement
16195 from the EH throw statement table.
16197 2006-01-04 Jakub Jelinek <jakub@redhat.com>
16199 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
16200 make the prototype extern "C" and add throw ().
16203 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
16204 and pos non-negative and pos + len <= 32.
16205 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
16206 drop pos + len < HOST_BITS_PER_WIDE_INT test.
16207 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
16210 * c-common.c (handle_vector_size_attribute): Reject zero vector size
16211 as well as sizes not multiple of component size.
16214 * function.c (instantiate_expr): New function.
16215 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
16216 walk its DECL_VALUE_EXPR with instantiate_expr.
16218 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
16219 DW_OP_deref{,_size} if address isn't going to be added.
16221 2006-01-04 Ben Elliston <bje@au.ibm.com>
16223 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
16224 * config/fp-bit.c: Likewise.
16226 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
16228 * dominance.c: Add comment about why we use DFS numbering
16231 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16232 Richard Henderson <rth@redhat.com>
16234 Merge from gomp-branch:
16235 * varasm.c (assemble_variable): Handle thread-local COMMON data.
16236 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
16238 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
16240 PR rtl-optimization/25578
16241 * combine.c (combine_simplify_rtx, force_to_mode): Don't
16242 pass a parameter to simplify_shift_const if changing ASHIFTRT
16245 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
16247 * builtins.c (get_builtin_sync_mem): New function.
16248 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
16249 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
16250 Call get_builtin_sync_mem to generate mem rtx.
16252 2006-01-03 Richard Guenther <rguenther@suse.de>
16255 * stmt.c (add_case_node): Make sure to clear overflow flags
16258 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16260 Merge from gomp-branch.
16261 * config/sparc/sync.md: New file.
16262 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
16263 UNSPECV_LDSTUB): New constants.
16264 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
16265 * config/sparc/predicates.md (memory_reg_operand): New predicate.
16266 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
16269 2006-01-03 Roger Sayle <roger@eyesopen.com>
16271 * combine.c (reg_subword_p): New predicate to test whether the
16272 destination of a set refers to a subword/piece of a register.
16273 (try_combine): Generalize the code to merge the setting of a
16274 pseudo to a constant followed by a set of a subword of that
16275 register to a constant.
16277 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
16279 * basic-block.h (control_flow_graph): Change the type of
16280 x_label_to_block_map to VEC(basic_block,gc) *.
16281 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
16282 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
16284 * tree-ssa-propagate.c (cfg_blocks): Change the type to
16285 VEC(basic_block,heap) *.
16286 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
16287 ssa_prop_fini): Adjust the uses of cfg_blocks.
16289 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
16291 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
16293 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
16294 hashing trees instead of a pointer hash.
16295 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
16296 compare for MEM_EXPR.
16298 PR rtl-optimization/25130
16299 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
16300 when comparing MEMs for GCSE
16302 2006-01-03 Ben Elliston <bje@au.ibm.com>
16304 * targhooks.h (default_decimal_float_supported_p): Declare.
16305 * targhooks.c (default_decimal_float_supported_p): Define.
16306 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
16307 `default_decimal_float_supported_p'.
16308 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
16310 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
16312 * combine.c (apply_distributive_law <SUBREG>): Check
16313 TRULY_NOOP_TRUNCATION.
16315 2006-01-02 Geoffrey Keating <geoffk@apple.com>
16317 * dwarf2out.c (have_switched_text_section): Delete.
16318 (have_multiple_function_sections): New.
16319 (have_location_lists): Make 'bool'.
16320 (add_AT_loc_list): Use 'true' not '1'.
16321 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
16322 (output_loc_list): Use have_multiple_function_sections.
16323 (output_ranges): Likewise.
16324 (dwarf2out_begin_function): Set have_multiple_function_sections if
16326 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
16327 Check function_section rather than DECL_SECTION_NAME.
16328 (dwarf2out_finish): Use have_multiple_function_sections.
16329 Don't clear have_location_lists.
16331 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
16332 Jan Hubicka <jh@suse.cz>
16334 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
16335 case of conditional jump jumping to the next instruction.
16336 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
16337 cases of conditional jump jumping to the next instruction.
16339 2006-01-02 Jan Hubicka <jh@suse.cz>
16341 * i386.c (*_cost): Add COSTS_N_INSNS.
16342 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
16344 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
16347 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
16349 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
16351 * config/arm/arm.c (all_fpus): Fix comment typo.
16352 * config/darwin.c: Likewise.
16353 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
16354 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
16355 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
16357 2006-01-01 David Edelsohn <edelsohn@gnu.org>
16359 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
16360 (rs6000_split_compare_and_swapqhi): New.
16361 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
16362 (sync_compare_and_swapqhi_internal): New.
16363 * config/rs6000/rs6000-protos.h: Declare.