1 2006-10-26 Ben Elliston <bje@au.ibm.com>
3 * gimplify.c (get_name): Remove extraneous break.
4 (gimplify_omp_for): Initialise ret with GS_OK.
6 2006-10-25 Steve Ellcey <sje@cup.hp.com>
8 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
9 Add unix98.o to link line.
11 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
15 Calculate compile-time constants using MPFR.
16 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
17 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
19 2006-10-25 Bob Wilson <bob.wilson@acm.org>
21 * config/xtensa/lib2funcs.S: Use C-style comments.
23 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
25 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
26 (file_table_relative_p): Likewise.
27 (dwarf2out_finish): Likewise.
28 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
30 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
32 * tree-ssa-structalias.c (intra_create_variable_infos):
33 Don't recreate nonlocal_all if it already exists.
35 2006-10-25 Richard Guenther <rguenther@suse.de>
38 * optabs.h (enum optab_index): Remove OTI_lrint.
39 (enum convert_optab_index): Add COI_lrint.
40 (lrint_optab): Adjust.
41 (expand_sfix_optab): Declare.
42 * optabs.c (expand_sfix_optab): New function.
43 (init_optabs): Init lrint_optab as conversion optab.
44 * genopinit.c (lrint_optab): Change to a conversion optab.
45 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
46 expansion via conversion optab.
47 * config/i386/i386.md (*fistdi2_1): Remove
48 flag_unsafe_math_optimizations guard.
49 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
50 fist<mode>2_with_temp): Likewise.
51 (lrint<mode>2): Split into...
52 (lrintxf<mode>2): ... x87 part
53 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
54 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
55 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
56 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
57 * doc/md.texi (lrintMN2): Document.
59 2006-10-25 Uros Bizjak <uros@kss-loka.si>
62 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
63 Use inc and dec instructions for TARGET_USE_INCDEC.
64 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
65 ("sync_double_compare_and_swap<mode>"): Likewise.
66 ("*sync_double_compare_and_swapdi_pic"): Likewise.
67 ("*sync_compare_and_swap_cc<mode>"): Likewise.
68 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
69 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
70 ("sync_old_add<mode>"): Likewise.
71 ("sync_lock_test_and_set<mode>"): Likewise.
72 ("sync_lock_test_and_set<mode>"): Likewise.
73 ("sync_add<mode>"): Likewise.
74 ("sync_sub<mode>"): Likewise.
75 ("sync_ior<mode>"): Likewise.
76 ("sync_and<mode>"): Likewise.
77 ("sync_xor<mode>"): Likewise.
79 2006-10-25 Uros Bizjak <uros@kss-loka.si>
81 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
82 (remainder_optab): Define corresponding macro.
84 * optabs.c (init_optabs): Initialize remainder_optab. Remove
85 drem_optab initialization.
86 * genopinit.c (optabs): Implement remainder_optab using
87 remainder?f3 patterns. Remove drem_optab.
88 * builtins.c (expand_builtin_mathfn_2): Handle
89 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
90 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
91 expand_builtin_mathfn_2.
93 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
94 depend on flag_unsafe_math_optimizations.
96 * config/i386/i386.md ("remaindersf3", "remainderdf3")
97 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
98 Do not depend on flag_unsafe_math_optimizations. Use
99 truncxf?f expander instead of truncxf?f_i387_noop.
101 ("fpremxf4", "fprem1xf4"): Do not depend on
102 flag_unsafe_math_optimizations.
103 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
104 flag_unsafe_math_optimizations. Use truncxf?f expander
105 instead of truncxf?f_i387_noop.
107 * doc/md.texi (fmod, remainder): Document standard named pattern.
109 2006-10-24 Richard Sandiford <richard@codesourcery.com>
110 David Daney <ddaney@avtrex.com>
113 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
115 2006-10-25 Ben Elliston <bje@au.ibm.com>
117 * doc/extend.texi (Variable Attributes): Typo fix.
119 2006-10-24 Uros Bizjak <uros@kss-loka.si>
121 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
122 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
123 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
124 (FRAME_POINTER_REGNUM): Update register number to 21.
125 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
126 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
128 * config/i386/i386.c (regclass_map): Add fpcr entry.
129 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
131 (print_reg): Assert REGNO (x) != FPCR_REG.
133 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
134 (DIRFLAG_REG): Renumber.
135 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
136 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
137 (sse_prologue_save, *sse_prologue_save_insn): Renumber
138 hardcoded SSE register numbers.
140 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
141 hardcoded MMX register numbers.
143 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
146 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
147 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
149 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
150 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
151 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
152 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
154 2006-10-24 Richard Guenther <rguenther@suse.de>
157 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
158 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
159 for deciding optimizations in consistency with fold-const.c
160 (fold_builtin_unordered_cmp): Likewise.
162 2006-10-24 Richard Guenther <rguenther@suse.de>
164 * builtins.c (fold_builtin_floor): Fold floor (x) where
165 x is nonnegative to trunc (x).
166 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
167 nonnegative to FIX_TRUNC_EXPR.
169 2006-10-24 Richard Guenther <rguenther@suse.de>
171 PR tree-optimization/29567
172 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
173 for TRUTH_NOT_EXPR. Clarify comments.
175 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
178 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
179 at compile-time using MPFR. Change parameter VALUE to FUNC,
181 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
182 for overflow and underflow at all times and avoid folding in
185 2006-10-24 Ben Elliston <bje@au.ibm.com>
187 * reload1.c: Formatting fixes.
189 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
191 PR tree-optimization/14784
192 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
193 * tree-ssa-structalias.c (get_constraint_for,
194 intra_create_variable_infos): Set is_heapvar.
195 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
196 non-heapvar pointer variables specially.
198 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
201 * builtins.c (fold_builtin_sin, fold_builtin_cos,
202 fold_builtin_tan): Fold all constant arguments. Take a "type"
203 argument as necessary.
205 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
207 2006-10-23 Bob Wilson <bob.wilson@acm.org>
209 * config/xtensa/lib1funcs.asm: Use C-style comments.
211 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
213 * tree.c (local_define_builtin): Replace calls to
214 lang_hooks.builtin_function with add_builtin_function.
215 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
217 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
219 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
220 common code to add_builtin_function.
221 * langhooks.c (add_builtin_function): New function.
222 (lhd_builtin_function): New function.
223 * langhooks.h (struct lang_hooks): Change the signature of
225 (add_builtin_function): New function.
226 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
227 calls to lang_hooks.builtin_function with add_builtin_function.
228 * c-common.c (decl_builtin_1): Replace calls to
229 lang_hooks.builtin_function with add_builtin_function.
230 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
231 lang_hooks.builtin_function with add_builtin_function.
232 * config/frv/frv.c (def_builtin): Replace calls to
233 lang_hooks.builtin_function with add_builtin_function.
234 * config/s390/s390.c (s390_init_builtins): Replace calls to
235 lang_hooks.builtin_function with add_builtin_function.
236 * config/sparc/sparc.c (def_builtin): Replace calls to
237 lang_hooks.builtin_function with add_builtin_function.
238 * config/i386/i386.c (def_builtin): Replace calls to
239 lang_hooks.builtin_function with add_builtin_function.
240 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
241 lang_hooks.builtin_function with add_builtin_function.
242 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
243 lang_hooks.builtin_function with add_builtin_function.
244 * config/stormy16/stormy16.c (xstormy16_init_builtins):
245 Replace calls to lang_hooks.builtin_function with
246 add_builtin_function.
247 * config/iq2000/iq2000.c (def_builtin):
248 Replace calls to lang_hooks.builtin_function with
249 add_builtin_function.
250 * config/ia64/ia64.c (def_builtin): Replace calls to
251 lang_hooks.builtin_function with add_builtin_function.
252 * config/rs6000/rs6000.c (def_builtin): Replace calls to
253 lang_hooks.builtin_function with add_builtin_function.
254 (altivec_init_builtins): Replace calls to
255 lang_hooks.builtin_function with add_builtin_function.
256 * config/arm/arm.c (def_mbuiltin): Replace calls to
257 lang_hooks.builtin_function with add_builtin_function.
258 (arm_init_tls_builtins): Replace calls to
259 lang_hooks.builtin_function with add_builtin_function.
260 * config/mips/mips.c (mips_init_builtins): Replace calls to
261 lang_hooks.builtin_function with add_builtin_function.
262 * config/bfin/bfin.c (def_builtin): Replace calls to
263 lang_hooks.builtin_function with add_builtin_function.
264 * langhooks-def.h (lhd_builtin_function): New function.
265 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
267 2006-10-23 Jakub Jelinek <jakub@redhat.com>
269 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
270 BUILT_IN_STRNCAT_CHK.
272 2006-10-23 Jan Hubicka <jh@suse.cz>
274 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
275 don't do conversion from memmove to memcpy here.
276 (expand_builtin_bcopy, expand_builtin): Update call of
277 expand_builtin_memmove.
278 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
280 2006-10-23 Paul Brook <paul@codesourcery.com>
282 * stor-layout.c (start_record_layout): maximum_field_alignment
283 overrides STRUCTURE_SIZE_BOUNDARY.
285 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
287 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
288 nonlocal function symbols if flag_pic.
290 2006-10-23 Richard Guenther <rguenther@suse.de>
294 * builtins.c (fold_binary): Remove checks for flag_wrapv
295 and flag_trapv where negate_expr_p covers these cases.
297 2006-10-23 Richard Guenther <rguenther@suse.de>
300 * fold-const.c (fold_plusminus_mult_expr): Check exact power
301 of two on the absolute value.
302 (fold_binary): Fold x * -C to -x * C if x is easily negatable
303 and negating -C does not overflow.
305 2006-10-23 Richard Guenther <rguenther@suse.de>
308 * convert.c (convert_to_real): Fold (float)-x to -(float)x
309 only if not flag_rounding_math.
311 2006-10-22 Richard Sandiford <richard@codesourcery.com>
312 Kaz Kojima <kkojima@gcc.gnu.org>
315 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
316 SImode memory reference for the source of a movua.
317 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
318 (movua): Use an unspec instead of sign_extract. Expect the source
319 to have mode BLKmode.
320 (extv, insv): Use a BLKmode rather than SImode memory reference
321 for the source of a movua.
323 2006-10-22 Jeff Law <law@redhat.com>
324 Richard Guenther <rguenther@suse.de>
326 PR tree-optimization/15911
327 * tree-vrp.c (extract_code_and_val_from_cond): New function.
328 (register_edge_assert_for_1): Likewise.
329 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
330 (find_conditional_asserts): Adjust for new function signature.
331 (find_assert_locations): Likewise.
333 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
335 * config/i386/tmmintrin.h: Remove the duplicated content.
337 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
339 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
340 (x86_64-*-*): Likewise.
342 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
343 (override_options): Check SSSE3.
344 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
345 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
346 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
347 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
348 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
349 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
350 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
351 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
352 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
353 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
354 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
355 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
356 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
357 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
358 IX86_BUILTIN_PABSD128.
359 (bdesc_2arg): Add SSSE3.
360 (bdesc_1arg): Likewise.
361 (ix86_init_mmx_sse_builtins): Support SSSE3.
362 (ix86_expand_builtin): Likewise.
363 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
365 * config/i386/i386.md (UNSPEC_PSHUFB): New.
366 (UNSPEC_PSIGN): Likewise.
367 (UNSPEC_PALIGNR): Likewise.
368 Include mmx.md before sse.md.
370 * config/i386/i386.opt: Add -mssse3.
372 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
373 (ssse3_phaddwv4hi3): Likewise.
374 (ssse3_phadddv4si3): Likewise.
375 (ssse3_phadddv2si3): Likewise.
376 (ssse3_phaddswv8hi3): Likewise.
377 (ssse3_phaddswv4hi3): Likewise.
378 (ssse3_phsubwv8hi3): Likewise.
379 (ssse3_phsubwv4hi3): Likewise.
380 (ssse3_phsubdv4si3): Likewise.
381 (ssse3_phsubdv2si3): Likewise.
382 (ssse3_phsubswv8hi3): Likewise.
383 (ssse3_phsubswv4hi3): Likewise.
384 (ssse3_pmaddubswv8hi3): Likewise.
385 (ssse3_pmaddubswv4hi3): Likewise.
386 (ssse3_pmulhrswv8hi3): Likewise.
387 (ssse3_pmulhrswv4hi3): Likewise.
388 (ssse3_pshufbv16qi3): Likewise.
389 (ssse3_pshufbv8qi3): Likewise.
390 (ssse3_psign<mode>3): Likewise.
391 (ssse3_psign<mode>3): Likewise.
392 (ssse3_palignrti): Likewise.
393 (ssse3_palignrdi): Likewise.
394 (abs<mode>2): Likewise.
395 (abs<mode>2): Likewise.
397 * config/i386/tmmintrin.h: New file.
399 * doc/extend.texi: Document SSSE3 built-in functions.
401 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
403 2006-10-22 Ira Rosen <irar@il.ibm.com>
405 * tree-vect-transform.c (vectorizable_load): Use the type of the
406 return value of the mask_for_load builtin to create realign_load
409 2006-10-22 Richard Sandiford <richard@codesourcery.com>
411 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
414 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
416 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
417 (UNSPEC_LDDQU): This.
418 * config/i386/sse.md (sse3_lddqu): Updated.
420 2006-10-21 Richard Guenther <rguenther@suse.de>
422 * builtins.c (expand_builtin_int_roundingfn_2): New function.
423 (expand_builtin): Use it to expand lrint instead of
424 expand_builtin_mathfn.
426 2006-10-21 Uros Bizjak <uros@kss-loka.si>
429 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
430 flag_unsafe_math_optimizations is set.
432 2006-10-21 Uros Bizjak <uros@kss-loka.si>
435 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
436 patterns to use memory input operand in x87->mem->XMM
437 reload sequences. Skip transformation for TARGET_K8.
439 2006-10-21 Uros Bizjak <uros@kss-loka.si>
441 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
442 force operand1 to register if both operands are memory operands.
443 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
444 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
445 if both operands are memory operands.
446 (truncdfsf2): Do not force operand1 to register if both operands
449 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
451 * Makefile.in (LIBS): Add $(GMPLIBS).
452 * doc/install.texi: Update GMP and MPFR requirements.
453 * doc/sourcebuild.texi (need_gmp): Delete.
455 2006-10-21 Richard Guenther <rguenther@suse.de>
457 PR tree-optimization/3511
458 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
459 got new invariant arguments during PHI translation.
461 2006-10-21 Richard Guenther <rguenther@suse.de>
464 * fold-const.c (fold_comparison): Fold signed comparisons
465 of the form X +- C1 CMP Y +- C2.
467 2006-10-21 Richard Guenther <rguenther@suse.de>
470 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
471 if flag_unsafe_math_optimizations is specified. We have
472 flag_finite_math_only for that.
473 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
474 or flag_unsafe_math_optimizations.
476 2006-10-21 Richard Guenther <rguenther@suse.de>
478 * builtins.c (fold_builtin_classify): Fix typo.
480 2006-10-21 Richard Guenther <rguenther@suse.de>
483 * simplify-rtx.c (simplify_const_relational_operation):
484 Do not constant-fold ORDERED and UNORDERED for
485 flag_unsafe_math_optimizations but only we do not need to
486 honor NaNs for the given mode.
488 2006-10-21 Richard Guenther <rguenther@suse.de>
491 * config/i386/i386.c (classify_argument): Remove redundant
492 walking of the BINFOs.
493 (contains_128bit_aligned_vector_p): Likewise.
495 2006-10-20 Mark Mitchell <mark@codesourcery.com>
497 * BASE-VER: Set to 4.3.0.
499 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
501 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
502 (tree_decl_with_vis): Remove artificial_pta_var flag.
503 * tree-flow.h (referenced_var_check_and_insert): Expose.
504 (nonlocal_all): New prototype.
505 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
506 (nonlocal_all): Make global.
507 (nonlocal_lookup): Remove.
508 (nonlocal_insert): Ditto.
509 (create_nonlocal_var): Do not call nonlocal_insert.
510 (get_nonlocal_id_for_type): Remove.
511 (find_global_initializers): Mark new vars we find for renaming.
512 (intra_create_variable_infos): Only create one nonlocal.
513 (expand_nonlocal_solutions): Remove.
514 (compute_points_to_sets): Don't call it.
515 (ipa_pta_execute): Ditto.
516 (init_alias_heapvars): Don't create nonlocal_for_type.
517 (delete_alias_heapvars): Don't remove it.
518 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
521 2006-10-19 Brooks Moses <bmoses@stanford.edu>
523 * doc/install.texi (Downloading GCC): Clarify mention of
524 Fortran in the "full distribution" description.
526 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
528 Fix PR tree-optimization/28778
529 Fix PR tree-optimization/29156
530 Fix PR tree-optimization/29415
531 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
532 (tree_decl_with_vis): Add artificial_pta_var flag.
533 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
535 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
536 (nonlocal_all): Ditto.
537 (struct variable_info): Add directly_dereferenced member.
538 (var_escaped_vars): New variable.
539 (escaped_vars_tree): Ditto.
540 (escaped_vars_id): Ditto.
541 (nonlocal_vars_id): Ditto.
542 (new_var_info): Set directly_dereferenced.
543 (graph_size): New variable
544 (build_constraint_graph): Use graph_size.
545 (solve_graph): Don't process constraints that cannot change the
546 solution, don't try to propagate an empty solution to our
548 (process_constraint): Set directly_dereferenced.
549 (could_have_pointers): New function.
550 (get_constraint_for_component_ref): Don't process STRING_CST.
551 (nonlocal_lookup): New function.
552 (nonlocal_insert): Ditto.
553 (create_nonlocal_var): Ditto.
554 (get_nonlocal_id_for_type): Ditto.
555 (get_constraint_for): Allow results vector to be empty in the case
557 Handle results of calls properly.
558 (update_alias_info): Update alias info stats on number and type of
560 (find_func_aliases): Use could_have_pointers.
561 (make_constraint_from_escaped): Renamed from
562 make_constraint_to_anything, and changed to make constraints from
564 (make_constraint_to_escaped): New function.
565 (find_global_initializers): Ditto.
566 (create_variable_info_for): Make constraint from escaped to any
567 global variable, and from any global variable to the set of
569 (intra_create_variable_infos): Deal with escaped instead of
570 pointing to anything.
571 (set_uids_in_ptset): Do type pruning on directly dereferenced
573 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
574 (init_base_vars): Fix comment, and initialize escaped_vars.
575 (need_to_solve): Removed.
576 (find_escape_constraints): New function.
577 (expand_nonlocal_solutions): Ditto.
578 (compute_points_to_sets): Call find_escape_constraints and
579 expand_nonlocal_solutions.
580 (delete_points_to_sets): Don't fall off the end of the graph.
581 (init_alias_heapvars): Initialize nonlocal_for_type and
583 (delete_alias_heapvars): Free nonlocal_for_type and null out
586 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
588 * fold-const.c (add_double): Rename to add_double_with_sign.
589 Add 'unsigned_p' parameter and take it into account for the overflow.
590 (mul_double): Rename to mul_double_with_sign.
591 Add 'unsigned_p' parameter and take it into account for the overflow.
592 (fold_div_compare): Call add_double_with_sign instead of add_double
593 and mul_double_with_sign instead of mul_double, passing them the
594 unsignedness of the type.
595 * tree.h (add_double): Macroize.
596 (add_double_with_sign): New prototype.
597 (mul_double): Macroize.
598 (mul_double_with_sign): New prototype.
600 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
602 * config/score/crti.asm: New file.
603 * config/score/crtn.asm: New file.
604 * config/score/elf.h: New file.
605 * config/score/mac.md: New file.
606 * config/score/misc.md: New file.
607 * config/score/mul-div.S: New file.
608 * config/score/predicates.md: New file.
609 * config/score/score7.md: New file.
610 * config/score/score.c: New file.
611 * config/score/score-conv.h: New file.
612 * config/score/score.h: New file.
613 * config/score/score.md: New file.
614 * config/score/score-mdaux.c: New file.
615 * config/score/score-mdaux.h: New file.
616 * config/score/score-modes.def: New file.
617 * config/score/score.opt: New file.
618 * config/score/score-protos.h: New file.
619 * config/score/score-version.h: New file.
620 * config/score/t-score-elf: New file.
621 * config.gcc: Add score*-*-* configurations(Update before).
622 * doc/invoke.texi (Score Options): New section.
623 * doc/md.texi (Score family): New section to document constraints.
625 2006-10-19 Nick Clifton <nickc@redhat.com>
627 * config/arm/arm.c: Fix spelling typo.
629 2006-10-18 Tom Tromey <tromey@redhat.com>
631 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
633 2006-10-18 Jan Hubicka <jh@suse.cz>
636 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
639 2006-10-18 Marcin Dalecki <martin@dalecki.de>
641 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
642 TSI_SAME_STMT, since that's the desired entity.
644 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
646 * config/s390/contraints.md: New file.
647 * config/s390/s390-protos.h (s390_mem_constraint,
648 s390_O_constraint_str, s390_N_constraint_str,
649 s390_float_const_zero_p): Function prototypes added.
650 * config/s390/s390.c (s390_extra_constraint_str,
651 s390_const_double_ok_for_constraint_p,
652 s390_const_ok_for_constraint_p): Functions removed.
653 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
654 s390_float_const_zero_p): New functions.
655 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
656 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
657 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
658 Macro definitions removed.
659 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
660 s390_extra_constraint_str): Functions removed.
662 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
663 Richard Sandiford <richard@codesourcery.com>
666 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
667 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
669 2006-10-16 Geoffrey Keating <geoffk@apple.com>
671 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
672 (DWARF2_FRAME_REG_OUT): Likewise.
673 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
674 (DWARF2_FRAME_REG_OUT): Likewise.
676 2006-10-17 Paul Brook <paul@codesourcery.com>
678 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
680 2006-10-16 Brooks Moses <bmoses@stanford.edu>
682 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
683 Standardize on "GNU Fortran" as the official name of the Fortran
686 2006-10-16 Mike Stump <mrs@apple.com>
688 * doc/invoke.texi (Darwin Options): Document -mkernel.
689 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
691 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
692 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
693 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
694 (OS_MISSING_ALTIVEC): Add.
695 * config/i386/i386.c (override_options): Add
696 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
697 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
698 -mkernel, -static or -mdynamic-no-pic is given.
699 (C_COMMON_OVERRIDE_OPTIONS): Add.
700 * config/darwin.opt (fapple-kext): Add.
702 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
703 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
705 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
706 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
707 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
708 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
709 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
711 (flag_apple_kext): Add.
712 (TARGET_KEXTABI): Add.
713 * config/darwin.c (darwin_handle_kext_attribute): Add.
714 (DARWIN_VTABLE_P): Add.
715 (darwin_binds_local_p): Add partial support for rebinding vtables
717 (darwin_kextabi_p): Add.
718 (darwin_override_options): Add.
719 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
720 (darwin_kextabi_p): Add.
721 (darwin_override_options): Add.
722 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
723 __DYNAMIC__ and __STATIC__ here.
725 2006-10-16 Brooks Moses <bmoses@stanford.edu>
727 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
728 Added mention of "make pdf" target, and Texinfo requirements for
731 2006-10-16 DJ Delorie <dj@redhat.com>
733 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
734 into the GOT in case we need a subreg of the address.
736 2006-10-16 Richard Guenther <rguenther@suse.de>
739 * doc/extend.texi (X86 Built-in Functions): Fix typos in
740 SSE builtin documentation. Document SSE2 builtins.
742 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
744 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
745 symbol in the output file for non-shared links when -nostdlib or
746 -nodefaultlibs isn't specified.
748 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
749 posix thread support.
751 2006-10-15 Jan Hubicka <jh@suse.cz>
754 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
755 declared always_inline even when not inlining.
757 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
758 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
759 Andrew Pinski <pinskia@gmail.com>
762 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
764 2006-10-15 Jan Hubicka <jh@suse.cz>
765 Richard Guenther <rguenther@suse.de>
768 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
769 process_function_and_variable_attributes on all variables, including
770 those discovered during cgraph construction phase.
772 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
774 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
776 2006-10-14 Uros Bizjak <uros@kss-loka.si>
778 * config/i386/athlon.md (athlon_fist): Add fisttp.
780 2006-10-13 David Edelsohn <edelsohn@gnu.org>
781 Ian Lance Taylor <ian@airs.com>
784 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
785 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
788 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
790 * config/score/score.c, config/score/score.h: Fix comment
793 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
796 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
799 2006-10-13 Eric Christopher <echristo@apple.com>
801 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
803 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
806 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
807 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
808 alignment supported by 32-bit ELF.
810 2006-10-13 Eric Christopher <echristo@apple.com>
812 * config/darwin.c (darwin_emit_unwind_label): Strip
813 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
815 2006-10-13 Richard Guenther <rguenther@suse.de>
817 PR tree-optimization/29446
818 * tree-vrp.c (fix_equivalence_set): Remove.
819 (extract_range_from_assert): Do not call fix_equivalence_set.
820 (debug_value_range): Print a newline.
821 (compare_name_with_value): For equivalence sets with
822 inconsistent value ranges conservatively bail out.
823 (compare_names): Likewise.
825 2006-10-13 David Edelsohn <edelsohn@gnu.org>
827 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
828 and MPFR for gfortran.
830 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
832 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
833 alignment supported by 32-bit ELF.
835 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
839 * c-typeck.c (digest_init): Always allow initializing vectors
840 that have static storage duration with compound literals.
841 * tree.c (build_type_attribute_qual_variant): New, based on
842 build_type_attribute_variant.
843 (build_type_attribute_variant): Rewrite using the former.
844 (make_vector_type): Use build_type_attribute_qual_variant to build
845 type variants. Use type_hash_canon on the others.
847 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
848 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
850 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
852 2006-10-12 Jan Hubicka <jh@suse.cz>
855 * c-decl.c (c_make_fname_decl): Do not segfault in case where
856 current_function_decl is set but current_function_scope is not.
858 2006-10-12 Jie Zhang <jie.zhang@analog.com>
860 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
861 emit_insn to emit eh_return_internal instruction.
862 (eh_return_internal): Explicitly set pc.
864 2006-10-11 Richard Guenther <rguenther@suse.de>
866 PR tree-optimization/28230
867 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
868 to the correct place.
870 2006-10-11 Richard Guenther <rguenther@suse.de>
873 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
876 2006-10-10 Brooks Moses <bmoses@stanford.edu>
878 * configure.ac: Added pdf to "Make-hooks"
879 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
880 targets and *.pdf file patterns in cleanup targets.
881 * configure: Regenerated.
883 2006-10-10 Anatoly Sokolov <aesok@post.ru>
885 * config/avr/predicates.md: New file.
886 * config/avr/avr.md: Include it.
887 (REG_SP): New constant.
888 (peepholes): Use predicates.
889 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
890 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
891 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
893 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
895 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
898 2006-10-10 Jakub Jelinek <jakub@redhat.com>
901 * builtins.c (var_decl_component_p): New function.
902 (fold_builtin_memset, fold_builtin_memory_op): Restrict
903 single entry optimization to variables and components thereof.
905 2006-10-10 Richard Guenther <rguenther@suse.de>
907 PR rtl-optimization/29323
908 * except.c (set_nothrow_function_flags): For functions
909 that do not bind local bail out early.
911 2006-10-10 Ben Elliston <bje@au.ibm.com>
913 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
916 2006-10-09 Richard Henderson <rth@redhat.com>
920 2006-10-09 Richard Guenther <rguenther@suse.de>
923 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
926 2006-10-09 Steve Ellcey <sje@cup.hp.com>
929 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
930 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
931 * configure: Regenerate.
932 * config.in: Regenerate.
934 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
936 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
938 2006-10-08 Richard Sandiford <richard@codesourcery.com>
940 * config/mips/mips.c (mips_legitimize_tls_address): Implement
941 all TLS models in the same way as local exec if !TARGET_ABICALLS.
942 Remove stray newline.
944 2006-10-08 Richard Sandiford <richard@codesourcery.com>
946 * config/mips/mips.c (mips_classify_symbol): Do not return
947 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
948 (mips_in_small_data_p): Tweak comments.
950 2006-10-08 Richard Sandiford <richard@codesourcery.com>
952 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
954 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
956 * gimplify.c, sched-int.h: Fix comment typos.
958 * sched-int.h: Fix comment typos.
960 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
962 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
964 * sched-ebb.c (begin_schedule_ready): Use them.
965 * haifa-sched.c (schedule_insn, move_insn, try_ready,
966 add_to_speculative_block, create_check_block_twin, speculate_insn,
967 fix_jump_move, move_block_after_check): Ditto.
968 * sched-rgn.c (new_ready): Ditto.
970 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
972 PR rtl-optimization/29128
973 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
974 * sched-ebb.c (advance_target_bb): Use it to fix condition to
975 allow interblock movement of speculation checks.
977 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
980 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
981 casted to integer type.
982 (get_address_cost): Decrease cost of [symbol + index] addressing modes
983 if they are significantly more expensive than [reg + index] ones.
985 2006-10-06 Jakub Jelinek <jakub@redhat.com>
987 PR tree-optimization/29330
988 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
989 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
990 on newly allocated ddrs.
991 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
992 to VEC (loop_p, heap) pointer.
993 (compute_data_dependences_for_loop): Adjust caller.
994 (free_dependence_relations): Free DDR_LOOP_NEST.
996 * tree-loop-linear.c (linear_transform_loops): Don't forget to
997 free DEPENDENCE_RELATIONS and DATAREFS.
1000 * builtins.c (expand_builtin_sync_operation,
1001 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1002 Use convert_to_mode to handle promoted arguments.
1004 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1006 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1008 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1010 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1012 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1014 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1015 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1016 Use <modeconstraint> instead of "r" as operand 1 constraint.
1018 2006-10-06 Olivier Hainque <hainque@adacore.com>
1020 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1021 Don't recurse on the pointed-to type.
1022 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1023 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1024 types with components of variable size.
1026 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1028 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1030 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1032 PR tree-optimization/29290
1033 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1037 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1038 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1041 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1042 the number of vector elements fill the rest with zeros.
1044 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1046 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1047 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1050 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1052 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1053 unnamed pattern into subsi3. Use correct constraints/predicates.
1054 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1055 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1057 2006-10-05 Ira Rosen <irar@il.ibm.com>
1059 * doc/loop.texi: Add data references analysis description.
1061 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1063 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1065 2006-10-04 Richard Henderson <rth@redhat.com>
1066 Jakub Jelinek <jakub@redhat.com>
1068 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1069 * builtin-types.def (BT_WORD): Make unsigned.
1070 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1071 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1072 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1073 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1074 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1075 * cgraph.c (decide_is_variable_needed): Look at force_output.
1076 Recurse for emulated tls.
1077 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1078 checks redundant with decide_is_variable_needed.
1079 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1080 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1082 * expr.c (emutls_var_address): New.
1083 (expand_expr_real_1): Expand emulated tls.
1084 (expand_expr_addr_expr_1): Likewise.
1085 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1086 * output.h (emutls_finish): Declare.
1087 * toplev.c (compile_file): Call it.
1088 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1089 address before wrapping in CONST.
1090 * varasm.c (emutls_htab, emutls_object_type): New.
1091 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1092 (get_emutls_object_name, get_emutls_object_type): New.
1093 (get_emutls_init_templ_addr, emutls_decl): New.
1094 (emutls_common_1, emutls_finish): New.
1095 (assemble_variable): When emulating tls, swap decls; generate
1096 constructor for the emutls objects.
1097 (do_assemble_alias): When emulating tls, swap decl and target name.
1098 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1100 * emutls.c: New file.
1101 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1102 tls_object for real tls.
1104 2006-10-04 Zack Weinberg <zackw@panix.com>
1106 Fix bug in constraint-check generator, reported by Rask Ingemann
1108 * genpreds.c (add_constraint): Don't remove anything from the
1110 (write_tm_constrs_h): Detect whether "op" argument is used, and
1111 mark it ARG_UNUSED if it isn't.
1112 (write_insn_const_int_ok_for_constraint): Skip the part of the
1113 expression that would test whether "op" (which is not available
1114 here) is a CONST_INT.
1116 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1119 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1121 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1123 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1124 current Leopard versions.
1125 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1127 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1129 * doc/install.texi: Fix typos.
1131 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1133 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1134 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1135 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1137 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1139 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1140 arg to be struct mach_header_64* instead.
1142 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1145 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1146 side effects after the outer expression's post side effects.
1148 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1150 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1151 comments to reflect actual behavior and relationship between
1152 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1154 * doc/c-tree.texi (Working with declarations): Fix documentation
1155 of FIELD_DECL likewise.
1157 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1160 * doc/extend.texi: Add used variable attribute description.
1162 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1165 * c.opt (Woverride-init): New.
1166 * c-opts.c (c_common_post_options): Default warn_override_init to
1168 * c-typeck.c (add_pending_init, output_init_element): Warn for
1169 overriding initializers without side effects.
1170 * doc/invoke.texi (-Woverride-init): Document.
1173 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1175 PR rtl-optimization/28096
1176 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1177 assignment has already been used as a destination earlier in the block.
1179 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1181 * builtins.c (expand_builtin_setjmp): Delete.
1182 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1183 <BUILT_IN_SETJMP_SETUP>: New case.
1184 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1185 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1186 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1187 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1188 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1189 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1190 (lower_function_body): Initialize it to false. If it is set to true
1191 at the end of the processing, emit the setjmp dispatcher.
1192 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1193 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1194 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1195 on the rhs of the assignment.
1196 (lower_builtin_setjmp): New function.
1197 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1198 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1199 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1200 to detect calls that can go to non-local labels. Use specific
1201 helper to create the abnormal edges associated with them.
1202 <MODIFY_EXPR>: Likewise.
1203 (make_abnormal_goto_edges): New function extracted from...
1204 (make_goto_expr_edges): ...here. Call it for computed gotos.
1205 (simple_goto_p): Minor tweak.
1206 (tree_can_make_abnormal_goto): New predicate.
1207 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1208 (tree_purge_dead_abnormal_call_edges): New function.
1209 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1210 (tree_purge_dead_abnormal_call_edges): Likewise.
1211 (make_abnormal_goto_edges): Likewise.
1212 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1213 Purge all dead abnormal edges if the call was in the last statement.
1214 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1215 (execute_fixup_cfg): If there are non-local labels in the function,
1216 scan the basic blocks and split them at calls that can go to non-local
1217 labels or add missing abnormal call edges. Write down the CFG in the
1219 (pass_fixup_cfg): Remove TODO_dump_func flag.
1220 * unwind-sjlj.c: Poison setjmp.
1221 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1222 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1223 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1224 (DONT_USE_BUILTIN_SETJMP): Document it.
1226 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1229 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1230 to 1 when __ppc64__ is defined.
1231 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1233 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1235 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1237 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1238 * config/ia64/unwind-hpux.c: Delete.
1240 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1242 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1243 on the element before gimplifying it, instead of punting if it is of
1246 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1248 * doc/loop.texi: New file.
1249 * doc/gccint.texi: Reference loop.texi.
1250 * Makefile.in (loop.texi): Add.
1252 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1254 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1256 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1257 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1259 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
1261 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
1263 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
1265 * doc/install.texi: Document required versions of GMP and MPFR.
1267 2006-09-27 Paul Brook <paul@codesourcery.com>
1270 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
1272 2006-09-27 Richard Sandiford <richard@codesourcery.com>
1274 * reload1.c (alter_reg): Require the alignment of the stack slot to
1275 be at least reg_max_ref_width bytes.
1276 (scan_paradoxical_subregs): Record the largest width in
1279 2006-09-26 Jakub Jelinek <jakub@redhat.com>
1283 * tree-nested.c (struct nesting_info): Added static_chain_added.
1284 (convert_call_expr): Set static_chain_added when adding static
1285 chain. Handle OMP_PARALLEL and OMP_SECTION.
1287 2006-09-25 Matthias Klose <doko@debian.org>
1289 * doc/invoke.texi: Add missing full stop.
1291 2006-09-25 Richard Henderson <rth@redhat.com>
1293 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1294 before cgraph_function_flags_ready.
1296 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1297 Adam Nemet <anemet@caviumnetworks.com>
1299 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1300 determine_common_wider_type): New functions.
1301 (get_computation_aff): Use them to simplify arithmetic between
1302 UBASE and CBASE if they are shortened from the same type.
1304 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1307 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1308 -2147483647 - 1 instead of 0x80000000.
1310 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1312 * flags.h (HONOR_NANS): Fix typo in comment.
1314 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1316 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1318 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1322 * tree.c (merge_attributes, attribute_list_contained): If both
1323 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1325 * c-typeck.c (comptypes_internal): Don't consider aggregates
1326 in different TUs as compatible if there one set of attributes is
1327 not a subset of the other type's attributes.
1328 (composite_type): Try harder not to create a new aggregate type.
1330 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1332 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1333 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1334 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
1335 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1336 than replicating condition above.
1337 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1339 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1340 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
1341 the linker by default.
1343 2006-09-22 Mike Stump <mrs@apple.com>
1345 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
1348 2006-09-22 Richard Guenther <rguenther@suse.de>
1351 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
1352 sort of stack variables stable.
1354 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
1357 * explow.c (force_reg): Set REG_POINTER flag according to
1360 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
1362 PR tree-optimization/28888
1363 * tree-if-conv.c (combine_blocks): Rewritten.
1364 * tree-cfg.c (tree_verify_flow_info): Check that edges with
1365 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
1367 2006-09-22 Jakub Jelinek <jakub@redhat.com>
1369 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
1372 2006-09-21 Richard Sandiford <richard@codesourcery.com>
1374 * varasm.c (copy_constant): Fix reversed gcc_assert check.
1376 2006-09-21 Janis Johnson <janis187@us.ibm.com>
1378 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
1380 2006-09-21 Roger Sayle <roger@eyesopen.com>
1383 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
1384 dw_fde_current_label, to be the start of the function, i.e. the same
1385 value as dw_fde_begin.
1387 2006-09-20 Richard Sandiford <richard@codesourcery.com>
1389 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
1390 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
1391 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
1392 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
1393 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
1394 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
1395 (abs<mode>2, neg<mode>2): Likewise.
1396 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
1397 (*mips_abs_ps): New define_insn.
1399 2006-09-20 Josh Conner <jconner@apple.com>
1402 * calls.c (expand_call): Allow reuse of structure return stack
1405 2006-09-20 Paul Brook <paul@codesourcery.com>
1407 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
1410 2006-09-20 Janis Johnson <janis187@us.ibm.com>
1412 * doc/extend.texi (Decimal Float): Update for latest draft TR,
1413 clean up terminology.
1415 2006-09-20 Steve Ellcey <sje@cup.hp.com>
1418 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
1419 with tablejumps in them.
1421 2006-09-20 Jakub Jelinek <jakub@redhat.com>
1424 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
1425 wrap it into TARGET_EXPR.
1427 2006-09-20 Eric Christopher <echristo@apple.com>
1429 * config/i386/i386.c (x86_fisttp): Remove.
1430 * config/i386/i386.h (x86_fisttp): Ditto.
1431 (TARGET_FISTTP): Ditto.
1433 2006-09-19 Eric Christopher <echristo@apple.com>
1435 * doc/tm.texi (OBJC_JBLEN): Describe.
1436 * config/i386/darwin.h (OBJC_JBLEN): Define.
1437 * config/rs6000/darwin.h: Ditto.
1439 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
1441 PR rtl-optimization/21299
1442 * reload1.c (reload): Purge invalid ASMs in the final pass.
1444 2006-09-19 Steve Ellcey <sje@cup.hp.com>
1447 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
1448 pointers as legitimate constants.
1450 2006-09-19 Paul Brook <paul@codesourcery.com>
1453 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
1455 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
1457 PR tree-optimization/28887
1458 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
1459 component parts from the reference.
1460 (gather_memory_references_ref): Record the reference without the
1461 nonaddressable component parts.
1463 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
1466 * c-opts.c (c_common_handle_option): Ignore the -std options
1467 if the input language is assembly.
1469 2006-09-17 Ira Rosen <irar@il.ibm.com>
1472 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
1474 (ptr_ptr_may_alias_p): Likewise.
1475 (record_record_differ_p): New function.
1476 (base_object_differ_p): Call record_record_differ_p.
1478 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1481 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
1482 away for the expr argument.
1484 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1487 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
1488 before using it for dumping after vectorizing loops.
1490 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1491 Jack Howarth <howarth@bromo.med.uc.edu>
1494 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
1495 skip on error_mark_node.
1496 (rs6000_darwin64_record_arg_recurse): Likewise.
1498 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1500 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
1501 * doc/rtl.texi: Remove related documentation.
1503 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
1505 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
1508 2006-09-15 Jim Wilson <wilson@specifix.com>
1510 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
1511 Handle symbol offsets same as they are handled in ia64_expand_move
1514 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
1516 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
1517 Add forgotten parameter to the fprintf call.
1519 2006-09-15 Steve Ellcey <sje@cup.hp.com>
1521 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
1523 2006-09-15 Uros Bizjak <uros@kss-loka.si>
1525 * doc/contrib.texi: Add my entry.
1527 2006-09-15 Nick Clifton <nickc@redhat.com>
1529 * doc/md.texi (Processor pipeline description): Fix typo in
1530 example of how to use the absence_set directive and reword the
1531 description to make it slightly easier to read.
1533 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
1535 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
1536 * loop-doloop.c (doloop_optimize): Use it to limit costs of
1537 expanding the number of iterations.
1538 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
1540 * cfgrtl.c (emit_insn_at_entry): New function.
1541 * rtl.h (emit_insn_at_entry): Declare it.
1542 * integrate.c (emit_initial_value_sets): Use it.
1544 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
1546 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
1548 (struct loop_work and related VEC declarations): Delete.
1549 (bfin_dump_loops): Print out new member bad.
1550 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
1551 (bfin_scan_loop): Don't recurse.
1552 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
1553 loops. No longer need to update outer loops if the current one is
1554 found bad. Move some validitiy checks to bfin_discover_loop.
1555 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
1556 but changed not to check for nesting. Also changed to use the new bad
1558 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
1559 time. Use bitmap based test to discover loop nesting.
1561 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
1563 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
1566 2006-09-14 Richard Guenther <rguenther@suse.de>
1567 Kazu Hirata <kazu@codesourcery.com>
1569 PR middle-end/28884.
1570 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
1571 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
1572 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
1573 with TARGET_FUNCTION_VALUE.
1575 2006-09-14 Anatoly Sokolov <aesok@post.ru>
1578 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
1580 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
1582 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
1585 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1588 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
1591 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1593 * basic_block.h (bb_has_eh_pred): Fix comment.
1595 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1597 * flow.c (calculate_global_regs_live): Invalidate eh registers
1598 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
1599 (propagate_block): Handle eh registers as if they were set at basic
1601 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
1603 * global.c (global_conflicts): Make eh registers to conflict with
1604 pseudos live at basic block begin.
1605 * basic_block.h (bb_has_eh_pred): New function.
1607 2006-09-13 Richard Sandiford <richard@codesourcery.com>
1609 PR rtl-optimization/28982
1610 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
1611 index of a PRE_MODIFY or POST_MODIFY address.
1612 * reload1.c (inc_for_reload): Use find_replacement on the original
1613 base and index registers.
1615 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
1617 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
1618 for -Os. Update __m128 alignment requirement.
1620 2006-09-13 Jan Hubicka <jh@suse.cz>
1622 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
1624 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1626 PR rtl-optimization/28243
1627 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
1628 the insn to which the note was originally attached.
1630 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1631 Roger Sayle <roger@eyesopen.com>
1633 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
1634 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
1635 on platforms that don't use dwarf for debug info.
1637 2006-09-12 Jason Merrill <jason@redhat.com>
1640 * builtins.c (expand_builtin_setjmp_receiver): Clobber
1641 hard_frame_pointer_rtx after using it to update the frame pointer.
1643 2006-09-12 Roger Sayle <roger@eyesopen.com>
1645 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
1646 (TARGET_ASM_CLOSE_PAREN): Likewise.
1647 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
1648 (TARGET_ASM_CLOSE_PAREN): Likewise.
1650 2006-09-12 Roger Sayle <roger@eyesopen.com>
1653 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
1654 frame information for frames larger than 512 Kbytes on Tru64 when
1655 using the native assembler.
1657 2006-09-12 Roger Sayle <roger@eyesopen.com>
1661 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
1662 and symbols. Instead use the implementation from cse.c's hash_rtx.
1664 2006-09-12 Jan Hubicka <jh@suse.cz>
1666 PR rtl-optimization/28071
1667 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
1668 (vect_transform_loop): Likewise.
1669 * tree-vectorizer.c (new_loop_vec_info): Likewise.
1670 (new_loop_vec_info): Likewise.
1671 (destroy_loop_vec_info): Likewise.
1672 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
1673 (create_stmt_ann): Likewise.
1674 (create_tree_ann): Rename to ...
1675 (create_tree_common_ann): ... this one; allocate only the common part
1677 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
1678 (get_value_handle): Likewise.
1679 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
1680 get_tree_common_ann.
1681 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
1682 (vinfo_for_stmt): Use stmt annotations.
1683 * tree-flow.h (tree_ann_common_t): New type.
1684 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
1685 (tree_ann, get_tree_ann, create_tree_ann): New.
1686 * tree-flow-inline.h (get_function_ann): Do more type checking.
1687 (stmt_ann): Likewise.
1688 (tree_ann): Rename to ...
1689 (tree_common_ann): ... this one; return ony common_ann
1690 (get_tree_ann): Rename to ...
1691 (tree_common_ann): This one; return only common_ann.
1692 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
1695 2006-09-11 Geoffrey Keating <geoffk@apple.com>
1697 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
1698 with_cpu by default.
1700 * dwarf2out.c (dwarf_file_data): New.
1701 (enum dw_val_class): Add dw_val_class_file.
1702 (struct dw_val_struct): Add val_file.
1703 (file_table): Change to a hash table.
1704 (file_table_emitted): Delete.
1705 (file_table_last_lookup_index): Delete.
1706 (emitcount): Delete.
1707 (last_emitted_file): New.
1708 (lookup_filename): Change prototype to return a struct dwarf_file_data.
1709 (init_file_table): Delete.
1710 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
1711 (AT_addr): Add comment.
1715 (print_die): Handle dw_val_class_file.
1716 (print_dwarf_line_table): Update for new file table structure.
1717 (attr_checksum): Do checksum a filename.
1718 (same_dw_val_p, same_attr_p): Do compare a filename.
1719 (size_of_die): Handle dw_val_class_file.
1720 (value_format): Likewise.
1721 (output_die): Likewise. Also, call maybe_emit_file here.
1722 (struct file_info): Constify filenames. Make file_idx a pointer
1723 to a struct dwarf_file_data.
1724 (struct dir_info): Constify directory names. Remove 'used' field.
1725 (struct file_name_acquire_data): New.
1726 (file_name_acquire): New.
1727 (output_file_names): Modify to handle new file data structures.
1728 (add_src_coords_attributes): Use add_AT_file.
1729 (add_call_src_coords_attributes): Likewise.
1730 (dwarf2out_imported_module_or_decl): Likewise.
1731 (gen_subprogram_die): Modify for new file data structures.
1732 (gen_variable_die): Likewise.
1733 (file_table_eq): New.
1734 (file_table_hash): New.
1735 (file_table_last_lookup): New.
1736 (lookup_filename): Rewrite to handle new file data structures.
1737 (maybe_emit_file): Rewrite to handle new file data structures.
1738 (dwarf2out_source_line): Always call lookup_filename and
1740 (dwarf2out_init): Create file_table here.
1741 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
1742 (file_table_relative_p): New.
1743 (dwarf2out_finish): Change detection of relative filenames
1744 to work with new file data structures. Move output_line_info call
1745 after debug_info output.
1747 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
1752 * config/i386/i386.c (override_options): Always default to 16
1753 byte stack boundary.
1755 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
1758 * var-tracking.c (dump_dataflow_set): Start dumping at
1760 (clobber_variable_part): Kill only the variable part in
1761 registers holding it, leaving other variables alone.
1763 2006-09-11 Josh Triplett <josh@freedesktop.org>
1765 * doc/extend.texi (Other Builtins): Actually use the macro
1766 argument in the documentation example for
1767 __builtin_types_compatible_p.
1769 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1771 PR rtl-optimization/28726
1772 * sched-deps.c (sched_analyze_reg): New function extracted from...
1773 (sched_analyze_1): ...here. Call it to analyze references to
1774 registers. Treat again writes to a stack register as writing to the
1776 (sched_analyze_2): ...and here. Call it to analyze references to
1777 registers. Treat again reads of a stack register as reading the
1780 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
1781 David Edelsohn <edelsohn@gnu.org>
1784 * config/rs6000/spe.md (frob_df_di): Remove %H.
1785 (frob_di_df): Remove %H. Change evmergelo to mr.
1786 (frob_di_df_2): Remove %H. Change evldd to two loads.
1788 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
1790 * doc/cpp.texi: Fix names of charset options.
1792 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
1795 * config/i386/i386.c (override_options): Use 128-bit
1796 stack boundary always for 64bits.
1798 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1800 PR rtl-optimization/28636
1801 * combine.c (force_to_mode): Test for side-effects before
1802 substituting by zero.
1803 (simplify_shift_const): Likewise for zero or other constants.
1805 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
1808 * builtins.c (expand_builtin_setjmp): Force next_lab to be
1811 2006-09-10 Richard Sandiford <richard@codesourcery.com>
1814 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
1815 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
1816 returned by mode_for_size, rather than the mode of src itself,
1817 to choose between 32-bit and 64-bit patterns.
1818 (mips_mem_fits_mode_p): New function.
1819 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
1820 that the size of the source matches the size of the destination.
1821 (mov_<store>l, mov_<store>r): Likewise.
1823 2006-09-10 Eric Christopher <echristo@apple.com>
1825 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
1828 2006-09-09 Eric Christopher <echristo@apple.com>
1831 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
1834 2006-09-09 Roger Sayle <roger@eyesopen.com>
1835 Nicolas Setton <setton@adacore.com>
1837 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
1839 2006-09-10 Andreas Schwab <schwab@suse.de>
1841 * config/m68k/m68k.md (bungt_rev): New pattern.
1843 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
1844 Dale Johannesen <dalej@apple.com>
1847 * regclass.c (struct reg_pref): Update documentation.
1848 (regclass): Set prefclass to NO_REGS if memory is the best option.
1849 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1851 2006-09-08 Eric Christopher <echristo@apple.com>
1853 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
1854 * config/t-slibgcc-darwin: Support x86_64 multilib.
1855 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
1856 Return 1 for x86_64-darwin.
1857 * config/i386/t-darwin: Add m64 multilib.
1858 (LIB2_SIDITI_CONV_FUNCS): Use.
1859 (LIB2FUNCS_EXTRA): Ditto.
1860 * config/i386/darwin.h: Support x86_64.
1861 * config/i386/i386.c (override_options): Turn on flag_pic
1862 for x86_64-darwin. Disable flag_omit_pointer.
1863 (get_pc_thunk_name): Assert !TARGET_64BIT.
1864 (legitimate_address_p): Disable machopic addressing for
1866 (legitimize_pic_address): Ditto.
1867 (ix86_expand_move): Ditto.
1868 (ix86_expand_call): Ditto.
1869 (machopic_output_stub): Ditto.
1870 * config/darwin.c (machopic_select_section): Support literal16.
1871 (machopic_select_rtx_section): Ditto.
1872 * config/darwin-sections.def: Ditto.
1873 * config/darwin-64.c: New.
1875 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
1878 * c-tree.h (struct c_arg_info): Add pending_sizes.
1879 * c-parser.c (c_parser_parms_declarator,
1880 c_parser_parms_list_declarator): Initialize pending_sizes.
1881 * c-decl.c (get_parm_info): Initialize pending_sizes.
1882 (get_parm_info): Set pending_sizes.
1883 (grokdeclarator): Call put_pending_sizes for parameters for
1884 function definition only.
1886 2006-09-07 Jason Merrill <jason@redhat.com>
1889 * varasm.c (output_constant): Only strip actual no-op conversions.
1892 * config/i386/i386.c (override_options): Use 128-bit
1893 stack boundary if -msse.
1895 2006-09-07 Eric Christopher <echristo@apple.com>
1897 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
1899 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
1902 2006-09-07 Geoffrey Keating <geoffk@apple.com>
1904 * dwarf2out.c: Remove strange characters from comment above
1905 dwarf2out_frame_debug_expr.
1907 2006-09-07 Eric Christopher <echristo@apple.com>
1909 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
1910 * config/darwin.h: ... to here.
1912 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
1914 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
1916 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
1917 (TARGET_PARTIAL_FLAG_REG_STALL): New.
1919 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
1920 TARGET_PARTIAL_FLAG_REG_STALL.
1921 (*ashldi3_cconly_rex64): Likewise.
1922 (*ashlsi3_cmp): Likewise.
1923 (*ashlsi3_cconly): Likewise.
1924 (*ashlsi3_cmp_zext): Likewise.
1925 (*ashlhi3_cmp): Likewise.
1926 (*ashlhi3_cconly): Likewise.
1927 (*ashlqi3_cmp): Likewise.
1928 (*ashlqi3_cconly): Likewise.
1929 (*ashrdi3_cmp_rex64): Likewise.
1930 (*ashrdi3_cconly_rex64): Likewise.
1931 (*ashrsi3_cmp): Likewise.
1932 (*ashrsi3_cconly): Likewise.
1933 (*ashrsi3_cmp_zext): Likewise.
1934 (*ashrhi3_cmp): Likewise.
1935 (*ashrhi3_cconly): Likewise.
1936 (*ashrqi3_cmp): Likewise.
1937 (*ashrqi3_cconly): Likewise.
1938 (*lshrdi3_cmp_rex64): Likewise.
1939 (*lshrdi3_cconly_rex64): Likewise.
1940 (*lshrsi3_cmp): Likewise.
1941 (*lshrsi3_cconly): Likewise.
1942 (*lshrsi3_cmp_zext): Likewise.
1943 (*lshrhi3_cmp): Likewise.
1944 (*lshrhi3_cconly): Likewise.
1945 (*lshrqi2_cmp): Likewise.
1946 (*lshrqi2_cconly): Likewise.
1948 2006-09-07 Uros Bizjak <uros@kss-loka.si>
1951 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
1952 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
1953 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
1954 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
1955 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
1956 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
1957 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
1958 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
1959 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
1960 implement only CC setting effects of shift instructions.
1962 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
1964 * doc/contrib.texi: Add myself.
1966 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
1969 * stor-layout.c (relayout_decl): Don't zero the alignment if it
1970 was set by the user.
1972 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
1975 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
1976 (divsi_inv_m1): Use them.
1977 (UNSPEC_DIV_INV_TABLE): New constant.
1979 2006-09-06 James E Wilson <wilson@specifix.com>
1982 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
1983 then call count_or_remove_death_notes.
1985 2006-09-06 Jason Merrill <jason@redhat.com>
1988 * tree-inline.c (copy_result_decl_to_var): New fn.
1989 (declare_return_variable): Use it. Call declare_inline_vars here.
1990 (expand_call_inline): Not here.
1992 2006-09-06 Diego Novillo <dnovillo@redhat.com>
1994 * doc/contrib.texi: Update my entry.
1996 2006-09-06 Nick Clifton <nickc@redhat.com>
1998 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2000 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2003 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2004 (canonicalize_induction_variables): Likewise.
2005 (tree_unroll_loops_completely): Likewise.
2006 (tree_ssa_prefetch_arrays): Likewise.
2007 (remove_empty_loops): Likewise.
2008 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2009 TODO_cleanup_cfg instead of directly calling
2010 cleanup_tree_cfg_loop.
2011 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2013 (tree_unroll_loops_completely): Likewise.
2014 (remove_empty_loops): Likewise.
2015 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2016 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2017 of tree_ssa_unswitch_loops.
2018 (tree_ssa_loop_ivcanon): Use the return value of
2019 canonicalize_induction_variables.
2020 (tree_ssa_empty_loop): Use the return value of
2022 (tree_complete_unroll): Use the return value of
2023 tree_unroll_loops_completely.
2024 (tree_ssa_loop_prefetch): Use the return value of
2025 tree_ssa_prefetch_arrays.
2026 * passes.c (execute_todo): Before Cleanup CFG, set
2027 updating_used_alone and after cleanup CFG, call
2028 recalculate_used_alone.
2030 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2033 * tree-vect-transform.c (vectorizable_condition): Move the check
2034 for the type after the check for simple condition.
2036 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2037 Kaz Kojima <kkojima@gcc.gnu.org>
2040 * mode-switching.c (optimize_mode_switching): Make the destination
2041 block of an abnormal edge have no anticipatable mode. Don't
2042 insert mode switching code at the end of the source block of
2045 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2047 PR rtl-optimization/26847
2048 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2049 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2050 (simplify_plus_minus): Count n_constants while filling ops. Replace
2051 qsort with insertion sort. Before going through the array to simplify
2052 pairs, sort it. Delay early exit until after the first sort, exiting
2053 only if no swaps occurred. Simplify pairs in reversed order, without
2054 special-casing the first iteration. Pack ops after simplifying pairs.
2056 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2058 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2059 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2060 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2061 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2063 2006-09-05 Richard Guenther <rguenther@suse.de>
2065 PR tree-optimization/28900
2066 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2067 compound conditional before creating COND_EXPR condition.
2069 2006-09-05 Richard Guenther <rguenther@suse.de>
2071 PR tree-optimization/28905
2072 * tree-vrp.c (fix_equivalence_set): Manually implement
2073 !value_ranges_intersect_p to also handle symbolic ranges.
2075 2006-09-05 Richard Guenther <rguenther@suse.de>
2078 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2081 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2083 PR rtl-optimization/27616
2084 * cse.c (table_size): New static variable.
2085 (new_basic_block): Initialize it to 0.
2086 (remove_from_table): Decrement it.
2087 (insert): Increment it.
2088 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2089 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2090 fold_rtx_mem_1 if under the cap.
2091 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2092 the lookup of the equivalent expression and test for equality of the
2093 first operand of the equivalent expression before in turn looking up
2094 an equivalent constant for the second operand.
2096 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2099 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2100 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2101 pointer, instead of assuming it is possible to derive the
2102 correct args size from a call insn.
2104 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2107 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2108 (fold_builtin_mempcpy): Rename to...
2109 (fold_builtin_memory_op): ... this. Optimize one element copy
2111 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2113 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2114 (expand_builtin_memcpy, expand_builtin_mempcpy,
2115 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2116 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2117 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2118 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2120 2006-09-01 DJ Delorie <dj@redhat.com>
2122 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2123 (stzx_16): Likewise.
2124 ("stzx_24_<mode>"): Likewise.
2125 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2126 ("cmp<mode>_op"): New.
2127 (cmp<mode>): Change to expander; just save operands.
2129 (b<code>): Change to expander, emit compare here.
2130 (s<code>_op): Change to use split and expander.
2131 (s<code>_24_op): Likewise.
2132 (s<code>_<mode>): New.
2133 (s<code>_<mode>_24): New.
2134 (movqicc_<code>_<mode): New.
2135 (movhicc_<code>_<mode>): New.
2138 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2139 (m32c_pend_compare): New.
2140 (m32c_unpend_compare): New.
2141 (m32c_expand_scc): New.
2142 (m32c_expand_movcc): Emit the compare also.
2143 * config/m32c/predicates.md (mra_nopp_operand): New.
2145 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2146 Richard Guenther <rguenther@suse.de>
2147 Adam Nemet <anemet@caviumnetworks.com>
2150 * builtins.c (get_pointer_alignment): Handle more forms
2151 of base addresses that can be used to derive more precise
2152 information about alignment.
2154 2006-09-01 Jason Merrill <jason@redhat.com>
2157 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2160 * gimplify.c (voidify_wrapper_expr): Handle null type.
2162 2006-09-01 Josh Conner <jconner@apple.com>
2165 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2166 (execute_return_slot_opt): Use it.
2168 2006-08-31 Josh Conner <jconner@apple.com>
2171 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2172 returning aggregates.
2174 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2176 PR tree-optimization/28839
2177 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2178 blocks in that phi arguments appear.
2180 2006-08-31 Roger Sayle <roger@eyesopen.com>
2183 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2184 NULL, otherwise use an advance_loc4 to adjust relative to the
2186 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2187 (dwarf2out_switch_text_section): Reset the current label to avoid
2188 using advance_loc4 over section boundaries.
2190 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2193 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2194 r12 + SYMBOLIC_CONST.
2196 2006-08-30 Richard Guenther <rguenther@suse.de>
2198 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2200 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2202 PR rtl-optimization/27735
2203 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2204 Add new argument to keep track of whether an irreducible region
2205 was affected. All callers changed.
2206 (fix_irreducible_loops): Removed.
2207 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2208 flags were invalidated.
2210 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2212 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2213 instead of SF operands.
2214 (*fop_df_comm_sse): Likewise.
2215 (*fop_df_comm_i387): Likewise.
2216 (*fop_df_1_mixed): Likewise.
2217 (*fop_df_1_sse): Likewise.
2219 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2220 J"orn Rennecke <joern.rennecke@st.com>
2222 PR tree-optimization/17506
2223 * tree-ssa.c (warn_uninit): If warning about a location outside of
2224 the current function, note where the variable was declared.
2226 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2228 PR tree-optimization/28411
2229 * double-int.c (double_int_div): Use double_int_divmod.
2230 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2231 double_int_mod, double_int_smod, double_int_umod): New functions.
2232 * double-int.h (double_int_divmod, double_int_sdivmod,
2233 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2235 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2237 (get_computation_aff, get_computation_cost_at): Handle double_int
2238 return type of constant_multiple_of.
2240 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2243 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2244 an implicit conversion.
2246 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2248 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2250 2006-08-27 Roger Sayle <roger@eyesopen.com>
2252 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2255 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2257 * config/i386/crtfastmath.c: Fix a comment typo.
2259 2006-08-26 Roger Sayle <roger@eyesopen.com>
2261 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
2262 temporary visit flags on CASE_LABEL_EXPRs.
2263 * c-common.c (match_case_to_enum): Add function comment. Avoid
2264 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
2265 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
2266 CASE_HIGH_SEEN for enumerated types. If the switch expression is
2267 a constant, only warn if that constant value isn't handled.
2269 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
2272 * input.h (restore_input_file_stack): Declare.
2273 (INPUT_FILE_STACK_BITS): Define.
2274 * toplev.c (fs_p, input_file_stack_history,
2275 input_file_stack_restored, restore_input_file_stack): New.
2276 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
2277 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
2278 (pop_srcloc): Don't free old state of stack.
2280 2006-08-26 David Edelsohn <edelsohn@gnu.org>
2283 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2284 (PowerPC Type Attributes): New.
2286 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2288 * config/xtensa/xtensa.c (function_arg_boundary): New.
2289 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2291 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2292 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2294 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2297 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2300 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2302 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2303 (verify_local_live_at_start): Likewise.
2305 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2308 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2309 omp_add_variable): Treat sizes as variable whenever not
2312 2006-08-26 Richard Guenther <rguenther@suse.de>
2315 * fold-const.c (fold_binary): Fold temporary to correct
2316 type before constructing new comparison.
2318 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2321 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2322 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2324 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2327 * c-decl.c (start_function): Don't try to process prototype
2328 information from old declaration that isn't a function.
2330 2006-08-25 Jan Hubicka <jh@suse.cz>
2333 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2335 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2338 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
2341 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
2343 PR tree-optimization/16876
2344 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
2345 exit if PARM doesn't match VALUE.
2347 2006-08-25 Bob Wilson <bob.wilson@acm.org>
2349 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
2350 literal_prefix directive.
2351 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
2352 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2353 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2355 2006-08-25 David Edelsohn <edelsohn@gnu.org>
2358 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
2359 predicate to general_operand. Add 0->y and I->r alternatives.
2361 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
2363 * doc/tm.texi: Fix a typo.
2364 * predict.c: Fix comment typos.
2366 2006-08-25 Nick Clifton <nickc@redhat.com>
2368 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
2369 assertions of "cpu" and "machine".
2371 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
2374 * tree-ssa-operands.c (access_can_touch_variable): Don't say
2375 the access through a base which has an alias set of 0 cannot
2378 2006-08-24 Bill Wendling <wendling@apple.com>
2380 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
2382 2006-08-24 Jan Hubicka <jh@suse.cz>
2384 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
2386 2006-08-24 Jan Hubicka <jh@suse.cz>
2389 * cgraph.c: Fix comments.
2390 (cgraph_varpool_mark_needed_node): Mark only variables not already
2392 * cgraphunit.c: Update comments; include gt-cgraphunit.h
2393 (cgraph_varpool_assembled_nodes_queue): New static variable.
2394 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
2395 (cgraph_varpool_output_debug_info): New function.
2396 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
2397 * Makefile.in: Add gt-cgraphunit.h
2399 2006-08-24 Jan Hubicka <jh@suse.cz>
2401 * predict.c (probability_reliable_p): New predicate.
2402 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
2403 (predict_loops): Do not predict loop exit with less than 2%
2405 * basic-block.h (edge_probability_reliable_p,
2406 br_prob_note_reliable_p): Declare.
2407 * ia64.h (ia64_print_operand): Do not disable on-chip branch
2408 prediction when static predictor is not reliable.
2409 * rs6000.c (output_cbranch): Likewise.
2411 2006-08-23 Stuart Hastings <stuart@apple.com>
2414 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
2415 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
2417 2006-08-21 Geoffrey Keating <geoffk@apple.com>
2420 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
2421 complex values, nor for generic vector values.
2423 2006-08-22 Richard Guenther <rguenther@suse.de>
2426 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
2427 parameter. Convert arguments to arithmetic expression to the
2429 (analyze_scalar_evolution_1): Adjust caller.
2431 2006-08-22 Jan Hubicka <jh@suse.cz>
2433 Patch by Paolo Bonzini
2434 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
2437 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
2439 PR tree-optimization/28003
2440 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
2441 before grouping aliases.
2443 2006-08-22 Roger Sayle <roger@eyesopen.com>
2445 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
2446 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
2448 2006-08-21 Jason Merrill <jason@redhat.com>
2451 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
2452 wrapper. Loop to handle nested wrappers.
2453 (gimplify_bind_expr): Remove temp parameter.
2454 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
2455 and STATEMENT_LIST on the rhs.
2456 (gimplify_statement_list): Voidify the STATEMENT_LIST.
2457 (gimplify_expr): Pass pre_p to gimplify_statement_list.
2458 (gimplify_target_expr): Remove special BIND_EXPR handling.
2460 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
2462 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
2465 2006-08-21 Olivier Hainque <hainque@adacore.com>
2467 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
2468 Arrange for the temporary captures of components overlapping the lhs
2469 to happen before the lhs is possibly cleared.
2471 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
2473 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
2474 necessary places to pass the correct "number of registers" values
2477 2006-08-20 Jan Hubicka <jh@suse.cz>
2479 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
2480 (create_name_tags): Instead of quadratic checking use hashtable.
2481 * bitmap.h: Include hashtab.h.
2482 (bitmap_hash): Declare.
2483 * bitmap.c (bitmap_hash): New function.
2485 2006-08-20 Jan Hubicka <jh@suse.cz>
2487 PR rtl-optimization/28071
2488 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
2490 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
2491 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
2492 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
2493 cgraph_decide_inlining_incrementally): Update use of
2494 cgraph_check_inline_limits.
2495 * cgraph.c (edge_hash, edge_eq): New function.
2496 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
2497 cgraph_edge_remove_caller, cgraph_node_remove_callees,
2498 cgraph_remove_node): Maintain call site hash.
2499 * cgraph.h (struct cgraph_node): Add call_site_hash.
2500 (cgraph_set_call_stmt): New function.
2502 2006-08-20 Jan Hubicka <jh@suse.cz>
2504 PR rtl-optimization/28071
2505 * reload1.c (reg_has_output_reload): Turn into regset.
2506 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
2507 choose_reload_regs, emit_reload_insns): Update to new
2508 reg_has_output_reload.
2510 2006-08-20 Jan Hubicka <jh@suse.cz>
2513 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
2514 function body sizes.
2515 * cgraphunit.c (cgraph_analyze_function): Don't do so.
2517 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
2520 * tree.c (handle_dll_attribute): Return early if not a
2521 var or function decl.
2523 2006-08-18 Joseph Myers <joseph@codesourcery.com>
2526 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
2527 alignment of SPE vector types.
2529 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
2531 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
2533 2006-08-17 Jakub Jelinek <jakub@redhat.com>
2536 * cgraph.h (struct cgraph_node): Remove externally_visible
2538 * cgraphunit.c (process_function_and_variable_attributes): Set
2539 local.externally_visible rather than externally_visible.
2542 * c-common.c (handle_externally_visible_attribute): First look
2543 at TREE_CODE and only if it is function or var decl, check for
2544 non-public objects. Don't warn for DECL_EXTERNAL.
2545 * cgraphunit.c (process_function_and_variable_attributes): Warn
2546 if externally_visible attribute is used on non-public object.
2548 2006-08-17 Jan Hubicka <jh@suse.cz>
2550 PR tree-optimization/27865
2551 * reload1.c (forget_marked_reloads): New function.
2552 (forget_old_reloads_1): When data are passed, just mark the registers
2554 (reload_as_needed): Use the new mechanizm.
2556 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
2559 * reload.h (reg_equiv_alt_mem_list): New declaration.
2560 * reload1.c (reg_equiv_alt_mem_list): New definition.
2561 (reload): Initialize it and release it.
2562 (delete_output_reload): Use it.
2563 * reload.c (push_reg_equiv_alt_mem): New function.
2564 (find_reloads_toplev): Call it.
2565 (find_reloads_address, find_reloads_address_1): Likewise.
2566 (find_reloads_subreg_address): Likewise.
2568 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2570 PR rtl-optimization/28489
2571 * sched-ebb.c (begin_schedule_ready): Create basic block
2573 (advance_target_bb): Skip empty blocks.
2574 * haifa-sched.c (bb_note): Make global.
2575 * sched-int.h (bb_note): Add prototype.
2577 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2579 PR tree-optimization/27865
2580 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
2582 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
2583 fold_used_pointer, pointer_used_p): New functions.
2584 (analyze_scalar_evolution_1): Use fold_used_pointer.
2585 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
2586 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
2589 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
2592 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
2593 or the INTEGER_CST. Fail on a CALL_EXPR.
2594 (fold_offsetof): Pass new argument to fold_offsetof_1.
2595 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
2596 operand into an INDIRECT_REF.
2597 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
2599 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2601 PR gcov/profile/26570
2602 * value-prof.c (static_values): Removed.
2603 (tree_find_values_to_profile): Do not set static_values.
2604 (find_values_to_profile): Do not free static_values.
2605 * profile.c (instrument_values): Do not free the values.
2606 (branch_prob): Free the values.
2608 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
2610 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
2612 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
2615 * c-typeck.c (build_component_ref): Combine qualifiers of
2616 structure or union and field.
2618 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2620 PR rtl-optimization/28071
2621 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
2622 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
2623 * tree-into-ssa.c (struct dom_dfsnum): New.
2624 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
2626 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
2627 compute_global_livein.
2628 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
2629 in phi nodes in the correct blocks.
2631 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2633 PR tree-optimization/28364
2634 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
2636 (fold_affine_expr): New function.
2637 (may_eliminate_iv): Use fold_affine_expr.
2639 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2642 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
2645 2006-08-16 Mike Stump <mrs@apple.com>
2647 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
2648 * doc/cppopts.texi (-MD): Likewise.
2650 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
2653 * c-common.c (handle_weak_attribute): Ignore and warn if
2654 not a FUNCTION_ or VAR_DECL.
2656 2006-07-15 Mike Stump <mrs@apple.com>
2659 * c-parser.c (c_parser_typeof_specifier): Don't use
2660 c_finish_expr_stmt, open code desired semantics instead.
2662 2006-08-15 Nick Clifton <nickc@redhat.com>
2664 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
2665 fragment to tmake_file only if threads are enabled.
2666 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
2667 * config/i386/t-gthr-win32: New file. ... here.
2669 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2672 * c-parser.c (c_parser_compound_statement_nostart): Reset
2673 parser->error after each statement.
2675 2006-08-15 Jakub Jelinek <jakub@redhat.com>
2678 * omp-low.c (lower_omp_parallel): Convert t to
2679 receiver_decl's type.
2680 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
2681 source before comparison.
2684 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
2685 to itype in assignment to oldival2.
2687 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
2691 * c-typeck.c (build_compound_expr): If the second expression
2692 is an error mark, then just return an error mark instead of
2693 creating a COMPOUND_EXPR.
2695 2006-07-14 Mike Stump <mrs@apple.com>
2697 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
2699 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
2701 * c-decl.c, var-tracking.c: Fix comment typos.
2703 2006-08-14 Richard Sandiford <richard@codesourcery.com>
2705 PR rtl-optimization/28634
2706 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
2707 for floating-point modes unless flag_unsafe_math_optimizations.
2709 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
2710 Andrew Pinski <pinskia@physics.uc.edu>
2713 * tree.c (build_array_type): Unify array types with
2714 unspecified index_type.
2715 * c-decl.c (grokdeclarator): Make sure we do not modify a
2716 unified incomplete array type.
2717 * c-typeck.c (store_init_value): Create distinct type before
2718 filling in the index type in an initializer from a compound
2721 * c-decl.c (grokdeclarator): Remove code where we copy the
2724 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
2726 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
2727 into account for TODO_dump_cgraph.
2728 (TODO_update_ssa_no_phi): Likewise.
2729 (TODO_update_ssa_full_phi): Likewise.
2730 (TODO_update_ssa_only_virtuals): Likewise.
2731 (TODO_remove_unused_locals): Likewise.
2732 (TODO_set_props): Likewise.
2733 (TODO_update_stmt_usage): Likewise.
2735 2006-08-13 Dirk Mueller <dmueller@suse.de>
2737 * c-common.c (strict_aliasing_warning): Fix formatting.
2739 2006-08-13 Matthias Klose <doko@debian.org>
2741 * doc/invoke.texi: Fix spelling errors.
2743 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2745 PR rtl-optimization/23454
2746 * reorg.c (relax_delay_slots): Update comment.
2748 2006-08-11 Richard Guenther <rguenther@suse.de>
2751 * simplify-rtx.c (simplify_const_relational_operation):
2752 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
2755 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
2757 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
2758 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
2760 2006-08-10 Paul Brook <paul@codesourcery.com>
2762 * final.c (final_scan_insn): Clear current_insn_predicate before
2763 outputting inline asm.
2765 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
2767 PR tree-optimization/26197
2768 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
2769 get_ref_base_and_extent and overlap_subvar to add only relevant
2770 subvars as may-aliases.
2771 (add_may_alias_for_new_tag): New function, factored out of
2773 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
2774 with additional argument.
2775 * tree-flow.h (new_type_alias): Takes additional argument.
2777 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
2779 * gcov.c (no_data_file): New flag.
2780 (read_count_file): Set it if data file not present. Assume counts
2782 (output_lines): Don't name the data file, if there wasn't one.
2784 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
2786 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
2787 (rs6000_generate_compare): Tweak comments.
2788 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
2790 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
2792 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
2793 (var_debug_decl): New function.
2794 (var_reg_set): Follow debug decl link. Add location even if
2795 reg is already known to hold some other variable.
2796 (var_mem_set): Follow debug decl link.
2797 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
2798 decl link. Delete other known locations of the variable part
2800 (var_reg_delete, var_mem_delete): Delete other known locations
2801 of the variable part if requested.
2802 (same_variable_part_p): New function.
2803 (add_stores): Select MO_COPY when appropriate.
2804 (vt_initialize): Handle it.
2805 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
2806 known locations for MO_SET and MO_CLOBBER.
2807 (find_variable_location_part): New function.
2808 (set_variable_part, delete_variable_part): Use it.
2809 (clobber_variable_part): New function.
2810 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
2813 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
2815 PR tree-optimization/26969
2816 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
2817 with an empty list of PHIs.
2819 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
2823 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
2826 2006-08-06 Andreas Schwab <schwab@suse.de>
2828 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
2829 string. Whitespace and comment fixup.
2831 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2834 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
2838 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
2841 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
2843 2006-08-04 Jan Hubicka <jh@suse.cz>
2847 * reload.c (push_reload): Patch out the mismatching instruction;
2849 (find_reload): Bail out if the instruction was patched out.
2851 2006-08-04 Jan Hubicka <jh@suse.cz>
2853 PR tree-optimization/24888
2854 * tree-inline.c (expand_call_inline): Do not re-record variables.
2855 (declare_inline_vars): Add variable to unexpanded_var_list.
2857 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2858 Roger Sayle <roger@eyesopen.com>
2860 PR rtl-optimization/26244
2861 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
2862 inner_const are negative or greater than or equal to the bitsize of
2863 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
2864 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
2865 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
2866 CONST0_RTX (mode) when the new shift count is greater than or equal to
2867 to the bitsize of the object being shifted and XEXP (y, 0) has no side
2870 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
2872 * tree-cfg.c: Fix a comment typo.
2874 2006-08-03 Mark Mitchell <mark@codesourcery.com>
2877 * varasm.c (output_constant): Give the front end another chance to
2878 expand constants, after stripping NOPs.
2880 2006-08-03 Jan Hubicka <jh@suse.cz>
2882 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
2885 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
2887 PR tree-optimization/27770
2888 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
2889 declaration removed (moved to tree-flow.h).
2890 (vect_can_force_dr_alignment_p): Likewise.
2891 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
2892 (moved from tree-vectorizer.h).
2893 (vect_can_force_dr_alignment_p): Likewise.
2894 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
2895 from outside the vectorizer - in particular from cgraph stage.
2896 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
2897 the alignment of global arrays when -fsection-anchors is enabled.
2898 * cgraphunit.c (cgraph_increase_alignment): New function.
2899 (cgraph_optimize): Call cgraph_increase_alignment.
2901 2006-08-03 David Edelsohn <edelsohn@gnu.org>
2904 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
2905 not reload a SPE symbol_ref into a lo_sum address.
2907 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
2910 * dwarf2out.c (prune_unused_types_prune): Move call to
2911 prune_unused_types_update_strings to cover the parent DIE also.
2913 2006-08-02 Jan Hubicka <jh@suse.cz>
2915 PR gcov/profile/28480
2916 * tree-cfg.c (change_bb_for_stmt): New function.
2917 (tree_merge_blocks, tree_split_blocks): Use it.
2919 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2925 * toplev.c (compile_file): Return early on errorcount or sorrycount.
2926 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
2927 (cgraph_optimize): Likewise.
2929 2006-08-01 Stuart Hastings <stuart@apple.com>
2931 * rtl.h (UINTVAL) New.
2932 * config/rs6000/rs6000.c (SMALL_INT) Use it.
2933 * testsuite/gcc.dg/20060801-1.c: New.
2935 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
2938 * c-typeck.c (build_external_type): Mark used enum types.
2939 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
2941 (gen_subprogram_die): Whitespace fix.
2943 2006-08-01 Jan Hubicka <jh@suse.cz>
2945 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
2946 bitmap when not needed.
2947 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
2950 2006-08-01 Dirk Mueller <dmueller@suse.de>
2952 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
2954 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2956 * Makefile.in: Revert part of previous patch:
2957 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
2960 2006-07-30 Eric Christopher <echristo@apple.com>
2963 * doc/extend.texi (i386 Variable Attributes): Add anchor.
2964 (PowerPC Variable Attributes): New section.
2966 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
2968 PR target/28126 (partial fix)
2969 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
2971 2006-07-28 Jan Hubicka <jh@suse.cz>
2973 PR rtl-optimization/28071
2974 * cfgrtl.c (rtl_delete_block): Free regsets.
2975 * flow.c (allocate_bb_life_data): Re-use regsets if available.
2977 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2979 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
2980 and variables used in dependencies.
2982 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
2984 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
2985 %fs for -mcmodel=kernel.
2986 (stack_tls_protect_test_di): Likewise.
2988 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
2990 * Makefile.in: Use mkinstalldirs.
2992 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
2995 * opts-common.c (prune_options): Skip joined switches.
2997 2006-07-27 Jan Hubicka <jh@suse.cz>
2999 PR rtl-optimization/28071
3000 * cselib.c (cselib_process_insn): Don't remove useless values too
3001 often for very large hashtables.
3003 2006-07-27 Jan Hubicka <jh@suse.cz>
3005 PR rtl-optimization/28071
3006 * global.c (greg_obstack): New obstack.
3007 (allocate_bb_info): Use it.
3008 (free_bb_info): Likewise.
3009 (modify_reg_pav): Likewise.
3011 2006-07-27 Roger Sayle <roger@eyesopen.com>
3013 * builtins.c (fold_fixed_mathfn): When long and long long are the
3014 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3015 functions to their lceil*, lfloor*, lround* and lrint* forms.
3017 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3020 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3022 (rev_branch_insn): Likewise.
3024 2006-07-27 Jan Hubicka <jh@suse.cz>
3026 PR rtl-optimization/28071
3027 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3028 (reg_set_in_bb, max_reg_computed): New static variables.
3029 (regmove_optimize): Free the new array.
3030 (fixup_match_1): Update call of reg_is_remote_constant_p.
3032 2006-07-26 Jan Hubicka <jh@suse.cz>
3034 PR tree-optimization/27882
3035 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3037 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3039 (cgraph_analyze_compilation_unit): Likewise.
3040 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3041 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3042 (cgraph_early_inlinine): Make order garbage collected.
3043 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3045 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3047 * dbxout.c (output_types_sort): Add a comment.
3048 (output_used_types): Free the VEC.
3050 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3052 * function.c (reorder_fix_fragments): Delete.
3053 (reorder_blocks): Don't call it.
3054 (reorder_blocks_1): Put all subblocks under the origin block.
3056 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3058 PR rtl-optimization/27907
3059 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3062 2006-07-25 Roger Sayle <roger@eyesopen.com>
3065 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3066 bar(x) check that bar's result type can represent all the values of T.
3068 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3070 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3072 2006-07-25 Nick Clifton <nickc@redhat.com>
3074 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3075 size_lookup[] array.
3076 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3077 (ggc_pch_count_object): Likewise.
3078 (ggc_pch_alloc_object): Likewise.
3079 (ggc_pch_write_object): Likewise.
3080 (init_ggc): Do not attempt to initialize entries in the
3081 size_lookup[] array for objects whose size is greater than than
3082 the length of the array.
3084 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3086 * dbxout.c (output_used_types_helper): Push queued types
3088 (output_types_sort): New.
3089 (output_used_types): Collect used types on a VEC and sort them
3092 2006-07-24 Richard Guenther <rguenther@suse.de>
3095 * cgraph.c (cgraph_remove_node): Do not check if dumps
3097 * cgraphunit.c (cgraph_optimize): Likewise.
3099 2006-07-24 Jan Hubicka <jh@suse.cz>
3101 PR rtl-optimization/28071
3102 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3103 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3104 splitting before first stmt.
3106 2006-07-24 Jan Hubicka <jh@suse.cz>
3108 PR rtl-optimization/28071
3109 * ipa-inline.c (update_caller_keys): Remove edges that
3110 are no longer inline candidates.
3112 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3115 * dbxout.c (output_used_types_helper, output_used_types): New.
3116 (dbxout_symbol): Call output_used_types.
3118 2006-07-23 Jan Hubicka <jh@suse.cz>
3122 * cgraph.c (cgraph_varpool_nodes): Export.
3123 (decide_is_variable_needed): Ignored "used" attribute in
3124 unit-at-a-time mode.
3125 * cgraph.h (cgraph_varpool_nodes): Declare.
3126 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3127 unit-at-a-time mode.
3129 2006-07-23 Roger Sayle <roger@eyesopen.com>
3132 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3133 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3134 the __gthrw form of thr_keycreate.
3135 (__gthread_key_delete): Silence the unused argument warning.
3137 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3140 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3141 Cache the last found '\0' marker to avoid quadratic behavior.
3143 2006-07-23 Jan Hubicka <jh@suse.cz>
3145 * i386.md (subsi_3_zext): Fix output template.
3147 2006-07-21 Mike Stump <mrs@apple.com>
3149 * doc/invoke.texi (C++ Dialect Options): Note that
3150 -fvisibility-inlines-hidden doesn't affect explicitly
3151 instantiationed inline methods.
3153 2006-07-20 Roger Sayle <roger@eyesopen.com>
3155 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3156 if the target assembler is GNU binutils' gas.
3157 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3158 whether to pass GNU gas or native as command line options.
3160 2006-07-20 Jason Merrill <jason@redhat.com>
3162 * tree.c (remove_attribute): New fn.
3163 * tree.h: Declare it.
3165 2006-07-20 Paul Brook <paul@codesourcery.com>
3168 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3169 they are invalidated by this instruction.
3171 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3174 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3176 2006-07-20 Eric Christopher <echristo@apple.com>
3179 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3181 2006-07-19 Eric Christopher <echristo@apple.com>
3183 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3184 Rewrite dependencies for libgcc_s.1.dylib.
3186 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3188 * except.c (duplicate_eh_regions_1): Clear next_peer.
3190 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3192 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3193 -mlongcall does not guarantee all calls will be long.
3194 * doc/extend.texi (long_call/short_call): Document that longcall
3195 does not guarantee a long call will be used.
3196 (longcall/shortcall): Likewise.
3198 2006-07-18 Roger Sayle <roger@eyesopen.com>
3201 * expmed.c (expand_shift): Additionally check that the shift_cost
3202 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3203 before implementing a LSHIFT_EXPR as a sequence of additions.
3204 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3205 middle-end that DImode shifts need to be synthesized by expand.
3207 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3210 * tree-ssa-operands.c (access_can_touch_variable): Update
3212 Return true if ALIAS is .GLOBAL_VAR.
3214 2006-07-18 David Daney <ddaney@avtrex.com>
3216 * gcc.c (display_help): Fix typo in help text.
3218 2006-07-18 Olivier Hainque <hainque@adacore.com>
3220 * tree.h (categorize_ctor_elements): Adjust prototype and add
3221 descriptive comment, both in accordance with the interface change
3223 * varasm.c (constructor_static_from_elts_p): New function.
3224 Whether a constructor node is a valid static constant initializer
3225 if all its elements are.
3226 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3227 * output.h: Declare it.
3228 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3229 is a valid constant initializer instead of computing the number of
3230 non-constant elements. Use constructor_static_from_elts_p for this
3231 purpose. Replace the head comment with an indication that this is a
3232 helper for categorize_ctor_elements.
3233 (categorize_ctor_elements): Same interface change as for the _1
3234 helper. Former head comment from this helper moved here, adjusted to
3235 account for the interface changes.
3236 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3237 (all_zeros_p): Likewise.
3238 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3239 static versions of the constructor from the categorize_ctor_elements
3240 return value instead of the formerly computed number of non-constant
3243 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3245 * configure: Regenerate.
3246 * Makefile.in (build_libsubdir): New configure substitution
3247 (build_libobjdir): New variable.
3248 (BUILD_LIBIBERTY): Use it.
3250 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3253 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3255 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3258 * c-common.c (handle_weakref_attribute): Ignore attribute in
3259 the same conditions the alias attribute is ignored.
3261 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
3263 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
3264 (dbxout_begin_prologue): Increment scope_labelno.
3266 2006-07-17 Richard Henderson <rth@redhat.com>
3269 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
3272 2006-07-17 Roger Sayle <roger@eyesopen.com>
3273 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3275 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
3276 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
3277 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
3278 functions such as sbrk, write, etc.. Add function prototypes.
3279 Convert function declarations from K&R to ISO C. Cast pointers
3280 to "long" and "unsigned long" instead of "int" and "unsigned int".
3281 Convert tokens following #endif into comments.
3283 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3285 * invoke.texi: Remove mention of f77; Reformat table for
3286 inline parameter options correctly; mention that -malign-double
3287 is default on x86-64 targets.
3289 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3291 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3292 (convert_affine_scev, chrec_convert_aggressive): Use
3293 avoid_arithmetics_in_type_p. Do not check for the subtypes
3296 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3299 * optabs.c (expand_doubleword_shift): Wrap the call to
3300 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3302 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3305 * optabs.c (expand_binop): Pass next_methods rather than methods
3306 to expand_doubleword_shift.
3308 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3311 * tree.h (dump_addr): Declare.
3312 * print-tree.c (dump_addr): New function.
3313 (print_node_brief, print_node): Use it.
3314 * print-rtl.c (print_rtx): Likewise.
3315 * common.opt (-fdump-noaddr): New option.
3316 * doc/invoke.texi (-fdump-noaddr): Document.
3317 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3318 (ve_info_hash): Likewise.
3320 2006-07-13 Andrew Haley <aph@redhat.com>
3322 PR tree-optimization/19505
3323 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3324 edge leaving this block, make sure that the destination of this
3325 block has only one predecessor.
3327 2006-07-17 Richard Guenther <rguenther@suse.de>
3329 PR tree-optimization/28238
3330 * tree-inline.c (copy_bb): Check if we produced valid
3331 gimple copying and substituting a stmt. If not, gimplify
3334 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3336 * optabs.c (maybe_encapsulate_block): New function extracted from...
3337 (emit_libcall_block): ...here. Invoke it on the block of insns to
3338 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3339 (emit_no_conflict_block): Likewise.
3341 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3343 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
3345 2006-07-15 Roger Sayle <roger@eyesopen.com>
3347 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
3348 a new NOP_EXPR case of the switch statement.
3350 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
3353 * stor-layout.c (place_field): Take the bit field with
3354 an excessive size into account in the ms-bitfiled case.
3357 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
3358 the previous bit field.
3360 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
3363 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
3365 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
3367 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
3368 signal frames correctly even when the signal was installed with
3371 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
3373 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
3374 (dbxout_function_end): Use local label LFBB. Remove hook
3376 (dbxout_source_line): Use local label LFBB.
3377 (dbxout_block): Likewise.
3378 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
3379 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
3380 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
3381 and DBX_OUTPUT_NFUN.
3383 2006-07-13 Janis Johnson <janis187@us.ibm.com>
3385 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
3387 2006-07-13 Jan Hubicka <jh@suse.cz>
3389 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
3391 * output.h (align_variable): Declare.
3392 * varasm.c (align_variable): Export.
3393 * value-prof.c (tree_value_profile_transformations): Recompute iterator
3394 when basic block changed.
3396 2006-07-13 Nick Clifton <nickc@redhat.com>
3398 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
3399 walking the LOG_LINKS chain.
3401 2006-07-12 Geoffrey Keating <geoffk@apple.com>
3403 * doc/invoke.texi (C++ Dialect Options): Explain difference
3404 between -fvisibility-inlines-hidden and setting hidden
3405 visibility explicitly.
3407 2006-07-12 Eric Christopher <echristo@apple.com>
3409 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
3410 (stmp-lipo): Depend on libgcc.a.
3412 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
3414 * tree.c: Fix a comment typo.
3416 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
3418 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
3420 (umulhisi3_r): Likewise.
3422 2006-07-12 Paolo Carlini <pcarlini@suse.de>
3425 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
3426 x < 19, vs wchar_t support.
3428 2006-07-12 Nick Clifton <nickc@redhat.com>
3430 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
3431 instead of -isa=sh4.
3433 2006-07-12 Mike Stump <mrs@apple.com>
3435 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
3437 2006-07-10 Eric Christopher <echristo@apple.com>
3439 * config/t-slibgcc-darwin: Rewrite.
3441 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3444 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
3447 2006-07-08 Matthias Klose <doko@debian.org>
3449 * doc/sourcebuild.texi: Fix typo.
3451 2006-07-07 Mike Stump <mrs@apple.com>
3453 * toplev.c (process_options): Don't give -ffunction-sections may
3454 affect debugging warning for Mach-O.
3456 2006-07-07 James E Wilson <wilson@specifix.com>
3458 * config/mips/mips.md (cpu): Add sb1a.
3459 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
3460 addition to sb1. Adjust comments to clarify SB-1A differences from
3462 (ir_sb1a_load): New. Modify bypasses to use it.
3463 (ir_sb1a_simple_alu): Likewise.
3464 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
3465 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
3466 (mips_issue_rate): Add PROCESSOR_SB1A.
3467 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
3468 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
3469 (TARGET_SB1): Add PROCESSOR_SB1A check.
3470 (TUNE_SB1): Likewise.
3472 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
3473 * config/mips/mips.c (mips_store_data_bypass_p): New.
3474 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
3475 store_data_bypass_p.
3477 2006-07-08 Paul Brook <paul@codesourcery.com>
3480 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
3482 2006-07-07 Richard Guenther <rguenther@suse.de>
3485 * tree.h (build_one_cst): Declare.
3486 * tree.c (build_one_cst): New function.
3487 * tree-ssa-math-opts.c (get_constant_one): Remove.
3488 (insert_reciprocals): Use build_one_cst.
3489 * fold-const.c (fold_plusminus_mult): Likewise.
3491 2006-07-07 Roger Sayle <roger@eyesopen.com>
3493 * pointer-set.c (pointer_set_destroy): Correct whitespace.
3494 * cfgloopanal.c (dump_graph): Likewise.
3495 * dojump.c (discard_pending_stack_adjust): Likewise.
3496 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
3498 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
3499 * function.c (finalize_block_changes): Likewise.
3500 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
3501 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
3502 * rtl.c (dump_rtx_statistics): Likewise.
3503 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
3505 * varray.c (dump_varray_statistics): Likewise.
3506 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
3507 decode_decimal64, encode_decimal128, decode_decimal128,
3508 decimal_real_to_decimal): Likewise.
3510 2006-07-07 Richard Guenther <rguenther@suse.de>
3512 PR tree-optimization/28187
3513 * tree-vrp.c (vrp_operand_equal_p): New function.
3514 (vrp_bitmap_equal_p): Likewise.
3515 (update_value_range): Use them to compare old and new
3518 2006-07-06 Roger Sayle <roger@eyesopen.com>
3520 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
3521 a default case to switch statement to silence compiler warnings.
3523 2006-07-06 Roger Sayle <roger@eyesopen.com>
3526 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
3527 the configured assembler supports the x87's ffreep mnemonic.
3528 * configure: Regenerate.
3529 * config.in: Regenerate.
3531 * config/i386/i386.c (output_387_ffreep): New function.
3532 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
3533 (output_387_reg_move): Likewise.
3535 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
3537 Port to hosts whose 'sort' and 'tail' implementations
3538 treat operands with leading '+' as file names, as POSIX
3539 has required since 2001. However, make sure the code still
3540 works on pre-POSIX hosts.
3541 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
3542 which says you should use "tail -c +N" rather than "tail +Nc".
3543 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
3545 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
3547 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
3550 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3553 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
3554 PRE_{INC,DEC} of TFmode.
3556 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3557 Alan Modra <amodra@bigpond.net.au>
3560 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
3563 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3566 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
3567 Remove duplicate gtu.
3569 2006-07-05 Jason Merrill <jason@redhat.com>
3573 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
3574 * c-common.c (handle_packed_attribute): So don't copy it here.
3575 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
3577 2006-07-05 Mike Stump <mrs@apple.com>
3579 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
3581 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
3584 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
3586 2006-07-05 Richard Guenther <rguenther@suse.de>
3589 * config/i386/i386.md (*negdf2_1): Restrict pattern to
3590 TARGET_SSE2 targets if using SSE math.
3591 (*absdf2_1): Likewise.
3593 2006-07-05 Richard Guenther <rguenther@suse.de>
3595 PR tree-optimization/28162
3596 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
3597 make sure to convert the operands to the correct type.
3599 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
3601 PR tree-optimization/28218
3603 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
3604 to calculate and free the dominator information.
3606 2006-07-04 Peter O'Gorman <peter@pogma.com>
3608 * mklibgcc.in: chmod 644 before ranlib during install.
3610 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
3611 J"orn Rennecke <joern.rennecke@st.com>
3613 * configure.ac (.eh_frame data check): Use diff -b.
3615 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3618 * Makefile.in (BUILD_RTL): Add build/vec.o.
3619 (build/gencondmd.o): Filter out -fkeep-inline-functions.
3620 (build/genextract): Delete.
3621 (build/genautomata): Likewise.
3623 2006-07-04 Alan Modra <amodra@bigpond.net.au>
3626 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
3627 128-bit IBM long doubles for ABI_V4.
3629 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
3631 * tree.c (range_in_array_bounds_p): New predicate.
3632 * tree.h (range_in_array_bounds_p): Declare it.
3633 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
3634 return a less conservative answer.
3635 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
3636 and flag 'is_group'.
3637 (IS_ELEMENT_FOR_GROUP): New macro.
3638 (FOR_EACH_ACTUAL_CHILD): Likewise.
3639 (next_child_for_group): New helper function.
3640 (can_completely_scalarize_p): Take into account groups.
3641 (sra_hash_tree): Handle RANGE_EXPR.
3642 (sra_elt_eq): Likewise.
3643 (lookup_element): Be prepared for handling groups.
3644 (is_valid_const_index): Delete.
3645 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
3646 instead of is_valid_const_index.
3647 <ARRAY_RANGE_REF>: New case.
3648 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
3649 is_valid_const_index.
3650 <ARRAY_RANGE_REF>: Do not unconditionally punt.
3651 (scan_dump): Dump info for groups too.
3652 (decide_instantiation_1): Likewise.
3653 (decide_block_copy): Assert that the element is not a group.
3654 Propagate decision to groups.
3655 (generate_one_element_ref): Handle RANGE_EXPR.
3656 (mark_no_warning): Iterate over actual childs.
3657 (generate_copy_inout): Likewise.
3658 (generate_element_copy): Likewise.
3659 (generate_element_zero): Likewise.
3660 (generate_element_init_1): Likewise.
3661 (dump_sra_elt_name): Handle RANGE_EXPR.
3663 2006-07-03 Roger Sayle <roger@eyesopen.com>
3665 PR tree-optimization/26251
3666 * tree-ssa-threadupdate.c (redirection_block_p): New function.
3667 (thread_block): When optimizing for size refuse to thread jumps
3668 that would require duplication of blocks other than redirection
3671 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3673 * configure.ac: Fix thinko in previous check-in.
3674 * configure: Regenerate.
3676 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3679 * configure.ac (for lang...): Simplify nesting of conditionals.
3680 Test subdir_requires for non-enabled languages. Move processing
3681 of lang_opt_files and lang_tree_fiels below that test.
3682 * configure: Regenerate.
3683 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
3685 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
3687 * doc/gcov.texi (Invoking Gcov): Add a missing word.
3689 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
3691 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
3694 2006-06-29 Jason Merrill <jason@redhat.com>
3701 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
3702 * c-common.c (c_determine_visibility): Handle it here.
3703 * c-decl.c (finish_decl): Call c_determine_visibility for
3705 * flags.h (enum symbol_visibility): Sort from most to least visibility.
3707 * varasm.c (default_assemble_visibility): Likewise.
3708 * c-common.c (handle_visibility_attribute): Complain about trying
3709 to give visibility to an already defined class, or trying to change
3710 declared visibility. Always attach the attribute.
3715 * attribs.c (decl_attributes): Ignore type-in-place attributes
3716 once the type has been defined.
3718 2006-06-29 Roger Sayle <roger@eyesopen.com>
3721 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
3722 to indicate the cpplib has issued an error message for us.
3724 2006-06-29 Asher Langton <langton2@llnl.gov>
3727 * config/i386/i386.c (ix86_output_function_epilogue): Don't
3728 insert a label at the end of an function under Mach-O.
3730 2006-06-29 Eric Christopher <echristo@apple.com>
3731 Evan Cheng <evan.cheng@apple.com>
3733 * predicates.md (vector_all_ones_operand): New.
3734 (nonimmediate_or_sse_const_operand): Ditto.
3735 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
3736 * config/i386/i386.c (standard_sse_constant_opcode): Define.
3737 (standard_sse_mode_p): Ditto.
3738 (standard_sse_constant_p): Add case for -1 vector.
3739 (ix86_expand_vector_move): Try to use.
3740 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
3741 Call standard_sse_constant_opcode.
3742 (*movv4sf_internal): Ditto.
3743 (*movv2df_internal): Ditto.
3745 2006-06-29 Roger Sayle <roger@eyesopen.com>
3747 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
3748 of XEXP to extract the operands of a MATCH_CODE rtx.
3750 2006-06-28 Andrew Pinski <pinskia@gmail.com>
3752 * tree.c (tree_size): Do not waste tail padding in
3753 struct tree_string and make the size be the same as
3754 build_string will generate.
3756 2006-06-28 Jason Merrill <jason@redhat.com>
3759 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
3760 may_aliases already in the tag's annotations to the bitmap.
3762 2006-06-28 Roger Sayle <roger@eyesopen.com>
3764 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
3766 2006-06-28 Roger Sayle <roger@eyesopen.com>
3768 * genpreds.c (generate_switch_p): New function.
3769 (add_mode_tests): Push the new mode test down inside an AND expr
3770 if this allows the switch-suitable MATCH_CODE to be near the root.
3771 (write_match_code_switch): New function to write a MATCH_CODE as
3773 (write_predicate_stmts): New function to write a predicate RTX
3774 expression as a sequence of statements.
3775 (write_one_predicate_function): Use write_predicate_stmts.
3776 (write_tm_constrs_h): Likewise.
3778 2006-06-26 Fred Fish <fnf@specifix.com>
3780 * config/mips/t-sb1: New file.
3781 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
3784 2006-06-26 DJ Delorie <dj@redhat.com>
3786 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
3788 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
3789 Jayant Sonar <jayants@kpitcummins.com>
3790 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
3792 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
3793 (subsi3, subsi3_1, subsi3_2): New.
3794 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
3795 * config/m32c/mov.md (SI mov peephole): New.
3796 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
3797 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
3799 2006-06-26 Olivier Hainque <hainque@adacore.com>
3801 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
3802 a CALL_EXPR target function declaration.
3804 2006-06-26 Richard Guenther <rguenther@suse.de>
3806 * tree.c (build_string): Do not waste tail padding in
3809 2006-06-26 Richard Guenther <rguenther@suse.de>
3811 * ggc-page.c (init_ggc): Add missing element to size_lookup
3815 2006-06-23 Richard Guenther <rguenther@suse.de>
3817 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3818 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3819 alignment requests instead. Add verification code.
3820 Add struct tree_function_decl and struct tree_binfo size to
3821 extra_order_size_table. Add missing element to size_lookup
3824 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
3827 * fold-const.c (const_binop): Be prepared for self returning zero.
3828 Simplify code handling complex values.
3830 2006-06-24 Olivier Hainque <hainque@adacore.com>
3832 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
3833 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
3836 2006-06-24 Olivier Hainque <hainque@adacore.com>
3838 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
3839 ARRAY_REF, so have the callback called for the low bound expression.
3841 2006-06-23 Janis Johnson <janis187@us.ibm.com>
3843 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
3844 * c-typeck.c (c_common_type): Disallow operations on decimal float
3845 types and other float types.
3846 * convert.c (convert_to_real): Don't ignore conversions involving
3847 decimal float types.
3849 2006-06-23 Olivier Hainque <hainque@adacore.com>
3851 * tree.c (max_int_size_in_bytes): New function, inspired from
3852 code in function.c:assign_temp.
3853 * tree.h (max_int_size_in_bytes): Declare.
3854 * function.c (assign_temp): Use it.
3855 * gimplify.c (create_tmp_var): Relax the assertions on the type
3856 properties, not mandating constant size any more.
3857 (force_constant_size): New static function.
3858 (gimple_add_tmp_var): Use it, forcing variable size to a
3859 constant upper bound if it is not constant on entry.
3861 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
3864 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
3865 for initialization and setting of one_only flag to ...
3866 (i386_pe_encode_section_info): ...here.
3867 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
3868 Recheck that the symbol has not been defined.
3870 2006-06-23 Richard Guenther <rguenther@suse.de>
3872 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3873 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3874 alignment requests instead. Add verification code.
3875 Add struct tree_function_decl and struct tree_binfo size to
3876 extra_order_size_table. Add missing element to size_lookup
3879 2006-06-22 Roger Sayle <roger@eyesopen.com>
3880 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3883 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
3884 call to lang_hooks.types.type_for_mode returned NULL_TREE.
3886 2006-06-23 Ben Elliston <bje@au.ibm.com>
3888 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
3889 negate dn -- manipulate it directly.
3891 2006-06-22 Roger Sayle <roger@eyesopen.com>
3892 Steven Bosscher <stevenb.gcc@gmail.com>
3895 * reload1.c (gen_reload): Call mark_jump_label on the new insns
3896 generated by gen_move_insn to add REG_LABEL notes if necessary.
3898 2006-06-22 Bob Wilson <bob.wilson@acm.org>
3900 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
3901 (leaf_entry): Remove use of MIN_ESA.
3903 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
3905 PR rtl-optimization/28121
3906 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
3909 2006-06-21 DJ Delorie <dj@redhat.com>
3911 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
3913 (mulhisi3_r): Likewise.
3915 2006-06-21 Richard Sandiford <richard@codesourcery.com>
3918 * coverage.c (coverage_counter_alloc): Leave the index type
3920 (coverage_counter_alloc): Use null arguments for operands 2 and 3
3923 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
3925 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
3926 section from the "Options for Code Generation Conventions".
3928 2006-06-21 Richard Henderson <rth@redhat.com>
3932 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
3934 (global_symbolic_operand): Allow weak symbols, even if local_p.
3936 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
3938 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
3939 (find_interesting_uses_address): Punt if above function returns true.
3941 2006-06-21 Richard Guenther <rguenther@suse.de>
3943 * configure: Regenerated.
3945 2006-06-21 Joseph Myers <joseph@codesourcery.com>
3947 * config/mips/mips.c (function_arg): Where one part of a
3948 complex argument is in registers and the other part in the stack,
3949 return a REG not a PARALLEL.
3951 2006-06-21 Mark Mitchell <mark@codesourcery.com>
3953 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
3954 when cross-compiling. Do not substitute libstdcxx_incdir.
3955 * configure: Regenerated.
3957 2006-06-21 Jakub Jelinek <jakub@redhat.com>
3959 * varasm.c (mergeable_string_section): Check for embedded NULs and
3960 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
3961 rather than TREE_STRING_LENGTH bytes.
3963 2006-06-21 Richard Guenther <rguenther@suse.de>
3965 * ggc-page.c (extra_order_size_table): Add var_ann_d,
3966 tree_ssa_name, bitmap_element and phi_node with 4 arguments
3969 2006-06-21 Richrad Guenther <rguenther@suse.de>
3971 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
3972 Limit iteration over the dominators.
3974 2006-06-20 Roger Sayle <roger@eyesopen.com>
3976 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
3977 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
3979 2006-06-20 Richard Guenther <rguenther@suse.de>
3980 Michael Matz <matz@suse.de>
3982 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
3984 * alloc-pool.c (free_alloc_pool_if_empty): New function.
3985 * et-forest.h (et_free_pools): Prototype new function.
3986 * et-forest.c (et_free_tree_force): Free parent occurrence.
3987 (et_free_pools): New function.
3988 * dominance.c (free_dominance_info): Free et-forest alloc
3991 2006-06-20 Roger Sayle <roger@eyesopen.com>
3993 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
3994 integer modes, attempt to directly construct an integer constant.
3996 * fold-const.c (native_encode_vector): Determine the size of each
3997 element from the vector type instead of the first vector element.
3999 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4000 if all of its elements/components are constant.
4001 (build_constructor_from_list): Likewise.
4003 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4005 PR tree-optimization/27331
4006 * tree-data-ref.c (free_data_ref): New function.
4007 (create_data_ref): Fail if the data reference has unknown access
4009 (free_data_refs): Use free_data_ref.
4011 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4014 * tree-inline.c (setup_one_parameter): Strip useless
4015 type conversion before adding it to the IR.
4016 (declare_return_variable): Likewise.
4018 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4021 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4023 2006-06-19 Mike Stump <mrs@apple.com>
4025 * tree.c (variably_modified_type_p): VM arguments don't make the
4028 2006-06-19 Richard Guenther <rguenther@suse.de>
4030 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4031 type conversions after folding.
4033 2006-06-19 Richard Guenther <rguenther@suse.de>
4035 * ggc-page.c (extra_order_size_tab): Add entries with
4036 size of struct function and basic_block.
4037 (size_lookup): Extend to cover sizes up to 511.
4038 (ggc_alloc_stat): Adjust user.
4039 (ggc_pch_count_object): Likewise.
4040 (ggc_pch_alloc_object): Likewise.
4041 (ggc_pch_write_object): Likewise.
4043 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4045 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4046 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4049 2006-06-19 Denis Chertykov <denisc@overta.ru>
4051 * config/avr/libgcc.S : Correct my wrong previous commit.
4053 2006-06-19 Roger Sayle <roger@eyesopen.com>
4056 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4057 have stripped a SUBREG from the shift count, so we may need to
4058 convert_to_mode back to the type's mode before calling make_tree.
4059 Use new_amount instead of amount to avoid expanding a tree twice.
4061 2006-06-19 Richard Guenther <rguenther@suse.de>
4064 * fold-const.c (operand_equal_p): Check if the argument types
4065 have the same precision before stripping NOPs.
4067 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4069 Fix PR tree-optimization/27341
4070 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4072 * tree-complex.c (pass_lower_complex): Update SMT usage.
4074 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4076 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4077 Add a new alternative to the constraint strings. Add move of
4078 operand 1 to 3 to the splitter definition.
4079 ("doloop_si_long"): Second contraint alternative removed.
4081 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4083 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4084 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4086 (AVR_HAVE_MOVW) Define.
4087 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4088 (ASM_SPEC): Add avr25.
4089 (LINK_SPEC): Add avr25.
4090 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4091 (base_arch_s): Add new member 'have_movw_lpmx'.
4092 (avr_arch_types): Init 'have_movw_lpmx'.
4093 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4094 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4095 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4096 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4097 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4099 (avr_file_start): Do not output '.arh' derective.
4100 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4101 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4102 * config/avr/avr.md (mcu_enhanced): Delete.
4103 (mcu_have_movw): Define.
4104 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4105 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4106 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4107 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4108 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4109 attiny861 and at86rf401 devices.
4111 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4113 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4116 2006-06-17 Karl Berry <karl@gnu.org>
4118 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4119 doc/gccint.texi, doc/install.texi (@dircategory): Use
4120 "Software development" instead of "Programming", following
4121 the Free Software Directory.
4123 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4125 * config/i386/i386.c (legitimate_tls_address)
4126 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4127 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4128 (*tls_dynamic_gnu2_combine_64): Likewise.
4130 2006-06-16 Richard Guenther <rguenther@suse.de>
4133 * fold-const.c (negate_expr_p): Do not introduce undefined
4134 overflow in negating INTEGER_CSTs.
4135 (fold_negate_expr): Rename from negate_expr. Revert last
4136 change for folding BIT_NOT_EXPR. Change semantics to
4137 return NULL_TREE for non-simplified negations. Do not
4138 strip type conversions and unify type handling.
4139 (negate_expr): New function, wrap around fold_negate_expr
4140 but ensure building a tree always. Strip type conversions
4141 here, fold to result type.
4142 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4144 2006-06-16 Roger Sayle <roger@eyesopen.com>
4147 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4148 that (would) return their results in stack registers.
4150 2006-06-16 Michael Matz <matz@suse.de>
4151 Richard Guenther <rguenther@suse.de>
4153 * fold-const.c (fold_truthop): Only return new tree node if
4154 we canonicalized something.
4156 2006-06-16 Richard Guenther <rguenther@suse.de>
4158 * function.h (enum function_frequency): Move declaration
4159 out of struct function.
4160 (struct function): Move bool fields and the enum to the bitfield
4161 section. Reorder elements to avoid padding. Remove unused
4162 fields left over from the RTL inliner removal.
4163 * function.c (free_after_compilation): Do not zero removed fields.
4164 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4165 (ipa-type-escape.o): Likewise.
4167 2006-06-16 Richard Guenther <rguenther@suse.de>
4169 * cgraph.h (struct cgraph_local_info): Turn bool elements
4171 (struct cgraph_node): Likewise.
4172 (struct cgraph_varpool_node): Likewise.
4174 2006-06-15 Richard Guenther <rguenther@suse.de>
4176 * fold-const.c (fold_truth_not_expr): Rename from
4177 invert_truthvalue. Give it fold_* semantics to avoid
4179 (invert_truthvalue): New function. Wrapper around
4180 fold_truth_not_expr.
4181 (optimize_minmax_comparison): Avoid creating garbage.
4182 (fold_unary): Use fold_truth_not_expr for folding
4184 (fold_ternary): Replace uses of invert_truthvalue with
4185 fold_truth_not_expr where applicable.
4186 * tree.h (fold_truth_not_expr): Prototype.
4188 2006-06-16 Richard Guenther <rguenther@suse.de>
4190 PR tree-optimization/27781
4191 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4192 * ipa-pure-const.c (target.h): Include.
4193 (analyze_function): Do not analyze functions that do not
4196 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4199 * tree-dfa.c (referenced_vars_dup_list): Remove.
4200 (find_referenced_vars): Remove assert.
4201 (referenced_var_check_and_insert): Replace dup list with assert.
4202 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4203 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4205 2006-06-15 Richard Guenther <rguenther@suse.de>
4207 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4208 extra unused identifiers if not dumping.
4209 (create_variable_info_for): Likewise.
4211 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4213 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4214 (derive_constant_upper_bound): Derive more precise upper bound in
4215 common cases. Return type changed to double_int.
4216 (record_estimate): Reflect the changed return type of
4217 derive_constant_upper_bound.
4218 * double-int.c (double_int_zext, double_int_sext): Fix.
4220 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4222 * configure.ac (CFLAGS): Get them from the toplevel or from the
4223 configure invocation.
4224 * configure: Regenerate.
4225 * Makefile.in (CFLAGS): Substitute value provided by configure.
4227 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4230 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4231 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4232 rather than calling add_stmt on it.
4233 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4235 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4238 * reload1.c (reload): Remove registers returned by update_eliminables
4239 from used_spill_regs.
4241 2006-06-13 DJ Delorie <dj@redhat.com>
4243 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4245 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4247 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4248 html__strip_dir, html__mkdir_p. Enhance install-html target.
4249 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4250 * configure: Regenerate.
4252 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4254 * fold-const.c (fold_cond_expr_with_comparison): Check for
4255 Objective-C++ as language in deciding COND_EXPR transformation.
4257 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
4260 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
4261 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
4262 * config/sh/lib1funcs.h (SL, SL1): Define.
4263 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
4264 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
4265 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
4266 (OBJS_Os_4_200): New variable.
4267 ($(T)libgcc-Os-4-200.a): Use it.
4268 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
4269 when dividing 1 and/or by 0.
4271 2006-06-13 Roger Sayle <roger@eyesopen.com>
4273 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
4274 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
4275 * configure: Regenerate.
4277 2006-06-13 Jie Zhang <jie.zhang@analog.com>
4279 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
4280 for real instruction.
4282 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4285 * haifa-sched.c (check_cfg): Handle special case.
4287 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4290 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4291 Add debug_info parameter. Chain the vars to the BLOCK instead
4292 of the BIND_EXPR if debug info are requested for them.
4293 (pop_gimplify_context): Adjust for above change.
4294 (gimple_add_tmp_var): Likewise.
4295 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4297 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4298 (convert_local_reference): Likewise.
4299 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4300 (finalize_nesting_tree_1): Request that debug info be emitted
4301 for debug_var_chain.
4303 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4305 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4306 for PR target/27863.
4308 2006-06-13 Richard Guenther <rguenther@suse.de>
4311 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4313 2006-06-13 Richard Guenther <rguenther@suse.de>
4315 PR tree-optimization/27830
4316 * tree-inline.c (copy_body_r): For copying the operand
4317 of an ADDR_EXPR make sure to fold &* afterwards.
4319 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4321 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4322 lvalues in the fb_none case with side-effects.
4324 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4326 * tree-flow.h: Remove the prototype for
4327 compute_phi_arg_on_exit.
4328 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4329 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4332 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4334 * builtins.c (expand_builtin_return_addr): Only use
4335 frame_pointer_rtx when count == 0 and we are expanding
4336 __builtin_return_address.
4338 2006-06-12 Fred Fish <fnf@specifix.com>
4340 * config/mips/mips.c (mips_file_start): Create special section
4341 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
4343 2006-06-11 Eric Christopher <echristo@apple.com>
4346 * stor-layout.c (place_field): Remove check for
4347 remaining_in_alignment when aligning at the end of a run.
4349 2006-06-11 Eric Christopher <echristo@apple.com>
4352 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
4355 2006-06-11 Roger Sayle <roger@eyesopen.com>
4358 Revert incorrect fix for PR target/27158
4359 2006-05-08 Roger Sayle <roger@eyesopen.com>
4360 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4361 of a reg_equiv_constant if the result is a legitimate constant.
4363 2006-06-11 Roger Sayle <roger@eyesopen.com>
4366 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
4367 extract a CONST_VECTOR element and interpret it as an integer.
4368 (vspltis_constant): Use const_vector_elt_as_int instead of the
4369 macro CONST_VECTOR_ELT in order to handle FP vector modes.
4370 * config/rs6000/predicates.md (easy_vector_const): Consider
4371 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
4373 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
4376 * stor-layout.c (update_alignment_for_field): Don't add extra
4377 alignment for packed non-bitfield fields in ms_bitfield_layout_p
4380 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
4382 * config/mips/t-rtems: Add EL/EB multilib variants.
4384 2006-06-09 Mike Stump <mrs@apple.com>
4386 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
4388 2006-06-09 David Daney <ddaney@avtrex.com>
4390 * doc/install.texi: Add binutils version recommendation for mips-*-*.
4392 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
4394 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
4396 2006-06-09 Richard Guenther <rguenther@suse.de>
4398 PR tree-optimization/26998
4399 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
4400 of signed types, only TYPE_MIN_VALUE is special, but for both,
4401 minimum and maximum value. Likewise VR_ANTI_RANGE is special
4402 in this case, as is -fwrapv.
4404 2006-06-08 Mike Stump <mrs@apple.com>
4407 * config/darwin.c (darwin_asm_output_anchor): Disable
4408 -fsection-anchors on darwin for now.
4409 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
4410 * rs6000/rs6000.c (optimization_options): Likewise.
4412 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4415 * config/i386/i386.c (classify_argument): Skip fields with invalid
4418 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
4420 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
4421 (cse_insn): Likewise for the stack_pointer_rtx.
4423 2006-06-08 Roger Sayle <roger@eyesopen.com>
4425 * tree-ssa-dom.c (record_conditions): Only record "unordered"
4426 conditions from floating point comparisons.
4428 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
4431 * expmed.c (struct alg_hash_entry): Fix type of field T
4432 to match synth_mult argument.
4433 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
4435 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4438 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
4441 2006-06-08 Richard Guenther <rguenther@suse.de>
4444 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
4445 only, if overflow is defined and not trapping.
4446 (negate_expr): Likewise.
4448 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4450 PR tree-optimization/27872
4451 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
4452 flag on the new exit edge of the unrolled loop.
4454 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4456 PR rtl-optimization/26449
4457 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
4459 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
4462 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
4463 referenced_variables with matching DECL_UID's.
4464 (find_referenced_vars): Make sure duplicate list is empty to start.
4465 (referenced_var_p): Remove.
4466 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
4467 Check if var is in the list, and add if needed. Update the duplicate
4468 list if a different var is in the list with the same DECL_UID.
4469 (add_referenced_var): Call routine to check and insert.
4470 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
4471 * tree-flow.h (referenced_vars_dup_list): External declaration.
4473 2006-06-07 Fred Fish <fnf@specifix.com>
4475 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
4478 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
4481 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
4482 the imaginary and real parts of a clobbered register.
4483 Emit insn to set the imaginary part.
4485 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
4487 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
4488 in lieu of unwind-dw2-fde.c.
4490 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4492 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
4494 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
4497 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
4498 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
4499 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
4500 V4SImode temporaries and operations instead.
4502 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
4504 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
4507 2006-06-06 Mike Stump <mrs@apple.com>
4509 * Makefile.in: Rename to htmldir to build_htmldir to avoid
4510 installing during build.
4512 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4514 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
4516 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4517 * config/ia64/ia64.c (params.h): New header.
4518 (ia64_optimization_options): New function to adjust parameters.
4519 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
4520 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
4521 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
4523 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
4525 * stor-layout.c (debug_rli): Fix a typo in a debug message.
4527 2006-06-05 Steve Ellcey <sje@cup.hp.com>
4530 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
4532 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
4533 Victor Kaplansky <victork@il.ibm.com>
4535 PR tree-optimization/26360
4536 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
4539 2006-06-04 Roger Sayle <roger@eyesopen.com>
4540 Andrew Pinski <pinskia@physics.uc.edu>
4543 * c-common.c (c_common_truthvalue_conversion): Explicitly check
4544 for LABEL_DECL before calling DECL_WEAK.
4547 * c-typeck.c (build_binary_op): Likewise, explicitly check for
4548 LABEL_DECL and PARM_DECL.
4550 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
4554 * c-decl.c (grokdeclarator): Disallow variably modified types at
4555 file scope. Avoid marking shared array type of constant size as
4558 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4561 * c-common.c (fold_offsetof_1): Handle static members.
4563 2006-06-04 Eric Christopher <echristo@apple.com>
4565 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
4566 (debug_rli): Output value for remaining_in_alignment.
4567 (update_alignment_for_field): Unconditionalize
4568 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
4569 extra alignment code.
4570 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
4571 ms_bitfield_layout_p code. Rewrite handling of structure fields.
4572 * tree.h (record_layout_info_s): Remove prev_packed.
4573 * doc/extend.texi (ms_struct): Add documentation of format.
4575 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
4577 * tree.h: Declare folding_initializer.
4578 * builtins.c (fold_builtin_constant_p): Give definite answer
4579 if folding inside an initializer.
4580 * fold-const.c: Define folding_initializer.
4581 (START_FOLD_INIT): Save and then set folding_initializer.
4582 (END_FOLD_INIT): Restore folding_initializer.
4584 2006-06-04 Richard Guenther <rguenther@suse.de>
4586 PR tree-optimization/27039
4587 * fold-const.c (fold_comparison): Handle pointer comparison
4588 again for all comparison codes. Compare offsets in signed
4590 (fold_binary): Move code from here.
4592 2006-06-03 Roger Sayle <roger@eyesopen.com>
4595 * config/i386/i386.c (construct_container): Split static issued_error
4596 flag into issued_sse_arg_error, issued_sse_ret_error and
4597 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
4598 requires the use of x87 registers and the user explicitly
4599 specified the -mno-80387 command line option.
4601 2006-06-02 Geoffrey Keating <geoffk@apple.com>
4603 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
4604 HAVE_DECL_SIGALTSTACK.
4606 (segv_handler): Use MC_FLD.
4607 * configure.ac: Check for a sigaltstack declaration.
4608 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
4609 * configure: Regenerate.
4610 * config.in: Regenerate.
4612 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
4615 * Makefile.in (stmp-fixinc): Fix typo.
4617 2006-06-02 Roger Sayle <roger@eyesopen.com>
4619 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
4620 are type correct. Clean-up.
4621 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
4622 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
4624 2006-06-01 DJ Delorie <dj@redhat.com>
4626 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
4627 shift, as we've disabled the "switch" insn that needs it.
4629 2006-06-01 Per Bothner <bothner@bothner.com>
4631 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
4632 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
4633 * c-ppoutput.c (cb_define): Don't increment line 0.
4635 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
4637 * doc/invoke.texi: Add cpu_type power6.
4638 * config.gcc: Add cpu_type power6.
4639 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
4640 to power5+ with Altivec.
4641 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
4642 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
4644 2006-05-30 Anatoly Sokolov <aesok@post.ru>
4646 * config/avr/avr.h (SET_ASM_OP): Define.
4648 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
4650 * config/bfin/bfin.c: Fix comment typos.
4652 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4655 * doc/install.texi: Document --enable-bootstrap and
4656 --disable-bootstrap.
4658 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4660 * doc/install.texi: Document that InfoZIP can replace jar.
4662 2006-05-31 Roger Sayle <roger@eyesopen.com>
4664 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
4665 isn't available, directly generate the simpler x87 patterns without
4666 the (use (const_int 0)).
4667 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
4668 implementation isn't available.
4669 (*negdf2_1): Likewise.
4670 (*negxf2_1): XF mode negation is always done using the x87.
4671 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
4673 2006-05-31 Roger Sayle <roger@eyesopen.com>
4675 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
4676 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
4678 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
4680 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4682 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
4683 * config/bfin/bfin.c (basic-block.h): Include.
4684 (struct machine_function): New.
4685 (bfin_init_machine_status): New.
4686 (override_options): Initialize init_machine_status.
4687 (bfin_hardware_loop): New.
4688 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
4689 (DEF_VEC_P (loop_info)): New.
4690 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
4691 (struct loop_info): New.
4692 (loop_info): New typedef.
4693 (struct loop_work): New.
4694 (loop_work): New typedef.
4695 (DEF_VEC_O (loop_work)): New.
4696 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
4697 (bfin_dump_loops): New.
4698 (bfin_bb_in_loop): New.
4699 (bfin_scan_loop): New.
4700 (bfin_optimize_loop): New.
4701 (bfin_reorg_loops): New.
4702 (bfin_reorg): Use bfin_reorg_loops.
4703 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
4705 (I_REGNO_P): Simplify.
4706 (DP_REGNO_P, DPREG_P): New macros.
4707 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
4708 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
4709 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
4710 Add LT_REGS, LC_REGS, LB_REGS.
4711 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
4713 (REGNO_REG_CLASS): Deal with loop registers.
4714 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
4716 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
4717 New constants for loop registers.
4718 (UNSPEC_LSETUP_END): New.
4719 (seq_insns): New define_attr. Set it for appropriate insns.
4720 (movsi_insn): Add alternatives for move from/to
4721 loop count registers.
4722 (doloop_end): New define_expand.
4723 (loop_end): New define_insn.
4724 (define_split for bad doloop_end): New.
4725 (lsetup_with_autoinit): New define_insn.
4726 (lsetup_without_autoinit): New define_insn.
4727 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
4728 * config/bfin/predicates.md (lc_register_operand): New.
4729 (lt_register_operand): New.
4730 (lb_register_operand): New.
4731 (nondp_register_operand): New.
4732 (nondp_reg_or_memory_operand): New.
4733 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
4735 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4737 * config/bfin/bfin.c (bfin_delegitimize_address): New.
4738 (TARGET_DELEGITIMIZE_ADDRESS): Define.
4740 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
4742 * Makefile.in (CATALOGS): Add po/ prefix.
4743 * configure: Regenerated.
4745 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
4748 * arm.c (arm_print_operand case 'S'): Validate that the operand is
4749 a shift operand before calling shift_op. Avoid redundant call of
4752 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
4753 DJ Delorie <dj@redhat.com>
4755 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
4756 we're inserting is a singlt-bit constant.
4758 2006-05-30 Roger Sayle <roger@eyesopen.com>
4760 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
4761 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
4763 2006-05-30 Roger Sayle <roger@eyesopen.com>
4765 PR tree-optimization/23452
4766 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
4767 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
4768 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
4769 complex values and with -ffast-math for FP complex values.
4771 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
4773 * c-common.h: Remove the prototype for yyparse.
4774 * rtl.h: Remove the prototype for init_loop.
4776 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
4778 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
4781 2006-05-30 Roger Sayle <roger@eyesopen.com>
4783 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
4785 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
4786 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
4788 2006-05-30 Dirk Mueller <dmueller@suse.de>
4791 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
4792 for CONSTANT_CLASS_P expresisons.
4794 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4797 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
4799 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
4801 PR tree-optimization/27779
4802 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
4803 initial_condition instead of CHREC_LEFT.
4805 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
4807 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
4808 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
4809 Make prototypes ISO C90.
4811 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
4812 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4814 * see.c (see_analyze_one_def): Correct check.
4815 (see_get_extension_data): Check if extension is parallel.
4816 (see_get_extension_reg): Likewise.
4818 2006-05-30 Uros Bizjak <uros@kss-loka.si>
4821 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
4822 into register for (code == GTU).
4824 2006-05-29 Roger Sayle <roger@eyesopen.com>
4826 PR tree-optimization/24964
4827 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
4828 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
4829 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
4830 abs(x)*abs(x) as x*x for scalar floating point modes.
4832 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
4835 * lambda-code.c (perfect_nestify): Don't copy statements
4836 in the inner loop: move them to the inner loop header.
4838 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4841 * c-tree.texi: Document OpenMP directives and clauses.
4843 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4845 * varasm.c (globalize_decl): Fix indentation.
4847 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4850 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
4851 pass_fre, pass_store_ccp, pass_copy_prop,
4852 pass_store_copy_prop, pass_merge_phi, pass_nrv,
4853 pass_return_slot, pass_object_size, pass_lim,
4854 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
4855 pass_loop_prefetch and pass_stdarg.
4857 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
4859 * config/bfin/bfin.opt (mfdpic): New option.
4860 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
4861 (EXTRA_MULTILIB_PARTS): Likewise.
4862 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
4863 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
4865 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
4866 (CRT_CALL_STATIC_FUNCTION): New.
4867 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
4869 (CRT_CALL_STATIC_FUNCTION): New.
4870 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
4872 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
4873 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
4874 (initialize_trampoline): Changed to handle FD-PIC code generation.
4875 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
4876 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
4877 (override_options): Disallow -mid-shared-library -mfdpic combination.
4878 Can't do unaligned ops if FD-PIC.
4879 Turn off flag_pic if trying to generate non-id-shared-library
4880 non-fdpic code, since it's not supported.
4881 (bfin_assemble_integer): New function.
4882 (TARGET_ASM_INTEGER): Define.
4883 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
4885 * config/bfin/crtn.s: Restore them.
4886 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
4888 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
4889 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
4890 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
4891 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
4892 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
4894 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
4895 FDPIC_REGS and FDPIC_FPTR_REGS.
4896 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
4897 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
4898 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
4899 (load_funcdescsi): New pattern.
4900 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
4901 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
4902 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
4904 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4906 * gcse.c, rtlanal.c: Remove obsolete comments associated with
4909 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
4911 * tree-flow.h: Remove the prototype for add_type_alias.
4912 * tree-ssa-alias.c (add_type_alias): Remove.
4914 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
4916 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
4917 config/fr30/fr30.md, config/i386/i386-interix.h,
4918 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
4919 config/sh/superh64.h, config/v850/v850.c, df-core.c,
4920 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
4921 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
4922 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
4923 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
4924 Follow spelling conventions.
4925 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
4926 Follow spelling conventions.
4928 2006-05-27 Richard Guenther <rguenther@suse.de>
4931 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
4932 to produce a constant of value 1 of generic type.
4934 2006-05-27 Dirk Mueller <dmueller@suse.de>
4936 * cgraphunit.c (decide_is_function_needed): Fix wrong
4939 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
4941 PR rtl-optimization/27661
4942 * reload.c (find_reloads): When reloading a VOIDmode constant
4943 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
4944 use Pmode as mode of the reload register.
4946 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
4948 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
4949 is enabled at -O and above.
4951 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
4954 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
4957 2006-05-25 Mark Mitchell <mark@codesourcery.com>
4960 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
4961 for anonymous variables explicitly declared by front ends.
4963 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4965 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
4966 (struct alias_info): Add new field ref_all_symbol_mem_tag.
4967 * tree-ssa-alias.c (compute_may_aliases): If the program contains
4968 ref-all pointers, run a finalization pass for them.
4969 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
4970 (finalize_ref_all_pointers): New function.
4971 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
4972 regular pointer type to a ref-all pointer type.
4973 (get_tmt_for): Return the special memory tag for ref-all pointers.
4975 2006-05-25 Richard Guenther <rguenther@suse.de>
4978 * fold-const.c (fold_binary): Do not look at the stripped
4979 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
4981 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4983 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
4984 for LT and GT if the computed range is effectively empty.
4986 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4989 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
4990 mips_quad_format formats instead of ieee_single_format,
4991 ieee_double_format and ieee_quad_format formats, respectively.
4993 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
4995 PR tree-optimization/27639
4996 PR tree-optimization/26719
4997 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
4998 call to scev_probably_wraps_p.
4999 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5000 used_in_pointer_arithmetic_p, convert_step): Removed.
5001 (nowrap_type_p): New function.
5002 (scev_probably_wraps_p): Rewritten.
5003 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5004 chrec_convert if chrec_convert_aggressive might have been used.
5005 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5006 scev_direction): New functions.
5007 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5008 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5009 instead of convert_step.
5010 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5011 (convert_step): Declaration removed.
5012 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5014 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5016 * df-core.c: Added to header comments.
5017 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5018 df_ur_bb_info, df_urec_bb_info): Added comments.
5019 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5020 urec, ri problems): Fixed header comments.
5021 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5022 code from df_rd_transfer_function.
5024 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5026 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5027 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5028 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5030 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5032 * expr.c (undefined_operand_subword_p): New.
5033 (emit_move_multi_word): Do not generate move from undefined bits
5034 of a paradoxical subreg.
5036 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5038 PR rtl-optimization/27736
5039 * combine.c (replaced_rhs_value): New variable.
5040 (combine_instructions): Set it.
5041 (distribute_notes): When distributing a note in replaced_rhs_insn,
5042 check whether the value was used in replaced_rhs_value.
5044 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5047 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5048 add_referenced_var instead of add_referenced_tmp_var.
5049 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5050 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5052 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5053 tree_optimize_tail_calls_1): Use add_referenced_var.
5054 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5055 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5056 Use add_referenced_var.
5057 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5058 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5059 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5060 Use add_referenced_var.
5061 * tree-dfa.c (struct walk_state): Remove.
5062 (find_referenced_vars): Remove walk state and vars_found hash table.
5063 (make_rename_temp): Use add_referenced_var.
5064 (find_vars_r): Pass less parameters to add_referenced_var.
5065 (referenced_var_p): New. Is var in referenced_var hash table.
5066 (referenced_var_insert): Assert var isn't already in hash table.
5067 (add_referenced_var): Don't need walk_state parameter. Add var if it
5068 isn't already in the hash table.
5069 (add_referenced_tmp_var): Remove.
5070 (find_new_referenced_vars_1): Use add_referenced_var.
5071 * tree-ssa-pre.c (create_expression_by_pieces,
5072 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5073 Use add_referenced_var.
5074 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5075 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5076 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5078 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5079 vect_create_data_ref_ptr, vect_create_destination_var,
5080 vect_init_vector, vect_build_loop_niters,
5081 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5082 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5083 Use add_referenced_var.
5084 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5085 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5086 (add_referenced_var): Add prototype.
5087 * tree-ssa-structalias.c (get_constraint_for,
5088 intra_create_variable_infos): Use add_referenced_var.
5090 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5092 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5093 big-endian paradoxical subregs.
5094 * var-tracking.c (struct micro_operation_def): Document that,
5095 for modify micro operations, insn is the subsequent instruction.
5096 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5097 (var_reg_set, var_mem_set): ... new functions.
5098 (add_stores): Record subsequent insn.
5099 (compute_bb_dataflow): Use new functions for MO_USE.
5100 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5101 notes after the insn, and modify notes before the insn known
5102 to be the subsequent one.
5103 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5105 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5108 * config/i386/i386.c (ix86_expand_builtin): Use
5109 gen_sse3_monitor64 for TARGET_64BIT.
5111 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5113 PR rtl-optimization/26375
5114 PR rtl-optimization/26855
5115 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5117 (df_ru_bb_local_compute): Reversed statements and removed bogus
5118 comment explaining why they should be in wrong order.
5119 (df_ru_dump, df_rd_dump): Enhanced debug info.
5120 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5122 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5123 reaching uses and fixed space problem.
5125 2006-05-23 Jan Hubicka <jh@suse.cz>
5127 * cgraphunit.c (decide_is_function_needed): Also nested functions
5128 and functions declared inline can be optimized out at -O0.
5130 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5132 * doc/install.texi (Configuration): Remove reference to CrossGCC
5136 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5139 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5140 ix86_compare_emitted is non-NULL.
5142 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5145 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5148 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5150 PR rtl-optimization/25514
5151 * combine.c (replaced_rhs_insn): New variable.
5152 (combine_instructions): Set replaced_rhs_insn when trying to replace
5153 a SET_SRC with a REG_EQUAL note.
5154 (distribute_notes): Use replaced_rhs_insn when determining the live
5155 range of a REG_DEAD register.
5157 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5158 Anatoly Sokolov <aesok@post.ru>
5160 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5161 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5162 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5163 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5164 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5165 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5166 at90usb647, at90usb1286 and at90usb1287 devices.
5167 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5168 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5170 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5172 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5174 2006-05-22 Richard Guenther <rguenther@suse.de>
5177 2006-01-31 Richard Guenther <rguenther@suse.de>
5178 Paolo Bonzini <bonzini@gnu.org>
5180 * doc/install.texi (--disable-libgcc-math): Document.
5182 2006-05-22 Richard Guenther <rguenther@suse.de>
5185 2006-01-31 Richard Guenther <rguenther@suse.de>
5187 * doc/invoke.texi (-msselibm): Document.
5188 * target.h (expand_library_builtin): New target hook.
5189 * builtins.c (expand_builtin): Use expand_library_builtin.
5190 (default_expand_library_builtin): New function.
5191 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5192 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5193 (link_gcc_math_spec): Declare.
5194 (static_specs): Add link_gcc_math_spec.
5195 * expr.h (default_expand_library_builtin): Declare.
5196 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5197 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5198 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5199 * config/i386/i386.opt (msselibm): New target option.
5200 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5201 (ix86_init_sse_abi_builtins): New function.
5202 (ix86_expand_library_builtin): Likewise.
5203 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5204 (override_options): Handle error conditions wrt -msselibm.
5205 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5206 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5207 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5210 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5213 * c-common.c (self_promoting_args_p): Skip erroneous args.
5216 * c-decl.c (finish_struct): Skip erroneous fields.
5218 2006-05-22 Nick Clifton <nickc@redhat.com>
5220 * config/cris/cris.opt (march): Remove VarExists attribute.
5221 (max-stackframe=): Likewise.
5223 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5225 * doc/rtl.texi: Fix a typo.
5226 * see.c: Fix comment typos.
5228 * tree-ssa-structalias.h (alias_info): Remove num_references.
5230 2006-05-21 Mike Stump <mrs@apple.com>
5232 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5234 (darwin_pragma_options): Use BAD instead.
5235 (darwin_pragma_unused): Likewise.
5236 (darwin_pragma_ms_struct): Likewise.
5238 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5240 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5242 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5244 PR rtl-optimization/27671
5245 * simplify-rtx.c (simplify_relational_operation_1): Fix
5246 simplifications of (eq/ne (xor x y) y) and
5247 (eq/ne (xor x y) x).
5249 PR tree-optimization/26622.
5250 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5253 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5255 * tree-cfg.c: Prune whitespace.
5256 (debug_tree_cfg): Point to correct header containing the
5259 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5262 * cgraphunit.c (verify_cgraph_node): Typo in error message.
5264 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
5267 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
5268 or sorry count is non zero.
5270 2006-05-20 Andreas Schwab <schwab@suse.de>
5272 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5274 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
5275 Kenneth Zadeck <zadeck@naturalbridge.com>
5277 PR rtl-optimization/26855
5279 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
5281 (df_scan_alloc): Added code to properly handle multiword hard
5282 registers and add all_blocks parameter.
5283 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5284 code to properly handle multiword hard registers.
5285 (df_rescan_blocks): Added code to remove deleted blocks from
5287 (df_ref_create_structure, df_ref_record): Added code to properly
5289 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5290 and set DF_REF_PARTIAL.
5291 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5292 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5293 (df_scan_add_problem): Added flags parameter.
5294 (df_ref_create_structure): Changed switching structure.
5295 (df_bb_refs_record): Fixed case where duplicate artificial refs
5296 were created. Changed location of flags.
5297 (df_record_entry_block_defs): Added code to make stack pointer
5298 live in entry block. Refined cases where frame pointer is needed.
5299 Changed location of flags.
5300 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5301 (df_set_state): Removed function.
5302 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5303 df_insn_create_insn_record, df_insn_refs_delete,
5304 df_ref_create_structure): Formatting changes.
5305 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5306 df_delete_basic_block): New function.
5307 (df_init): Changed location of flags.
5308 (df_add_problem): Added flags parameter and the way flags are
5310 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5311 debug_df_chain): Improved debugging output.
5312 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5313 (df_refs_chain_dump): Removed df parameter.
5314 (df_iterative_dataflow): Added consistency check.
5315 (df_prune_to_subcfg): Made public.
5316 (df_analyze_problem): Added blocks_to_init parameter and made
5318 (df_ref_record, df_bb_refs_record, df_mark_reg,
5319 df_record_exit_block_uses): Whitespace changes.
5320 (df_dump): Whitespace changes.
5321 * df.h: Some reordering to remove forward references.
5322 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5323 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5324 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5325 (dataflow.flags): New field.
5326 (df.flag): Deleted field.
5327 (df_alloc_function): Added additional bitmap parameter.
5328 (df_dependent_problem_function): New type.
5329 (df_problem.changeable_flags): New field.
5330 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5331 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5332 (df_mw_hardreg): New struct.
5333 (DF_INSN_UID_MWS): New macro.
5334 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5336 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5337 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5338 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5339 (df_set_state): Removed function.
5340 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
5341 * df-problems.c (df_chain_dump): Removed df parameter.
5342 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
5343 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
5345 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
5346 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
5347 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
5348 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
5349 DF_REF_MUST_CLOBBER cases.
5350 (df_ru_bb_local_compute_process_def,
5351 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
5352 df_lr_bb_local_compute, df_ur_bb_local_compute,
5353 df_chain_create_bb): Made subreg aware.
5354 (df_ru_bb_local_compute, df_rd_bb_local_compute,
5355 df_lr_bb_local_compute, df_lr_bb_local_compute,
5356 df_chain_create_bb): Cleanup to use proper macros.
5357 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
5358 code to fixup bitvectors.
5359 (df_ri_alloc): Cleared lifetime.
5360 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
5361 df_create_unused_note): New function.
5362 (df_ri_bb_compute, df_ri_compute): Added code to create/update
5363 REG_DEAD and REG_UNUSED notes as well as register information.
5364 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
5365 df_chains_dump): Fixed crash if problem was never run.
5366 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
5367 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
5368 df_ri_add_problem): Processes flags in uniform manner.
5369 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
5370 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
5371 df_rd_dump, df_urec_free_bb_info): Formatting changes.
5372 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
5373 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
5374 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
5375 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
5376 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
5377 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
5378 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
5379 * see.c (see_initialize_data): Ditto.
5380 * final.c (rest_of_clean_state) Added regstack_completed.
5381 * rtl.h (regstack_completed): Ditto.
5382 * reg-stack.c (regstack_completed): Ditto.
5384 2006-05-19 Mike Stump <mrs@apple.com>
5386 * c-tree.h (default_conversion): Remove.
5387 * c-common.h (default_conversion): Add.
5389 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
5391 * tree-vrp.c (valid_value_p): New function.
5392 (adjust_range_with_scev): Fail if the value of bound is not
5395 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5397 * config/mips/linux-unwind.h: Include <asm/unistd.h>
5398 (mips_fallback_frame_state): Use syscall numbers to determine
5399 the appropriate li instruction for the current ABI. Only use
5400 __NR_sigreturn for o32.
5402 2006-05-19 Nicolas Setton <setton@adacore.com>
5404 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
5405 * langhooks.c (lhd_dwarf_name): New function.
5406 * langhooks-def.h (lhd_dwarf_name): Declare.
5407 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
5408 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
5409 * ada/misc.c (gnat_dwarf_name): New function.
5410 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
5412 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5414 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
5416 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
5417 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
5418 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
5419 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
5420 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
5421 determine the size of Wtype, etc.
5422 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
5423 (swfloatfuncs): New variable.
5424 (dwfloatfuncs): Likewise.
5425 (lib2funcs): Remove floating-point conversion functions from
5426 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
5427 the set of conversion routines needed. Allow entries to specify
5428 an object name, filename and word size. Update users accordingly.
5429 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
5430 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
5434 2006-02-08 Roger Sayle <roger@eyesopen.com>
5437 * config/fixtfdi.c: New libgcc source file.
5438 * config/fixunstfdi.c: New source file.
5439 * config/floatditf.c: New source file.
5440 * config/floatunditf.c: New souce file.
5441 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5442 files above instead of config/mips/_tilib.c.
5443 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5445 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5447 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
5448 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
5450 2006-05-18 Mike Stump <mrs@apple.com>
5452 Fix up vla, vm and [*] sematics.
5458 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
5459 (c_vla_unspec_p): Add.
5460 (c_vla_type_p): Add.
5461 * c-decl.c (struct c_scope): Add had_vla_unspec.
5462 (build_array_declarator): Add support for [*].
5463 (grokdeclarator): Likewise.
5464 (grokparms): Likewise.
5465 (get_parm_info): Likewise.
5466 * c-objc-common.c (c_vla_unspec_p): Likewise.
5467 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
5468 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
5469 typeof when argument is a variably modified type not inside sizeof or alignof.
5470 (c_parser_direct_declarator_inner): Propagate errors.
5471 (c_parser_sizeof_expression): Add support for [*].
5472 (c_parser_parms_declarator): Initialize had_vla_unspec.
5473 (c_parser_parms_list_declarator): Likewise.
5474 * c-typeck.c (c_vla_type_p): Add.
5475 (composite_type): Add support for vla compositing.
5476 (comptypes_internal): Add support for vla compatibility.
5477 (c_expr_sizeof_expr): Evaluate vla arguments.
5478 * tree.c (variably_modified_type_p): Update comment for [*].
5480 2006-05-18 Michael Matz <matz@suse.de>
5483 * config.host: Make assignments to host_xmake_file cumulative.
5484 * config.host (*-darwin*): Test $host, not $target.
5486 2006-05-12 Stuart Hastings <stuart@apple.com>
5488 * config/i386/i386.opt (-mstackrealign): New flag.
5489 * config/i386/i386.c (force_align_arg_pointer): New attribute.
5490 (ix86_handle_cconv_attribute): Emit error when
5491 force_align_arg_pointer attribute collides with too many regparms.
5492 (ix86_function_regparm): Limit regparms when used with
5493 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
5494 Support stack-realigning prologue in non-main functions. Emit
5495 warning for nested functions under -mstackrealign, emit error for
5496 nested functions with force_align_arg_pointer attribute.
5497 * doc/extend.texi (force_align_arg_pointer): Document it.
5498 * doc/invoke.texi (-mstackrealign): Document it.
5500 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
5502 PR rtl-optimization/27477
5503 * combine.c (try_combine): Don't split a parallel consisting
5504 of two sets into two individual sets if both sets reference
5507 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
5509 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
5510 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
5512 * doc/options.texi (VarExists): Updated.
5514 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5516 * unwind-dw2.c: Add declarations for uw_update_context and
5518 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
5519 detected, advance frame state and context once to skip over stub.
5521 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5525 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
5526 Call rewrite_into_loop_closed_ssa only when something changed.
5527 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
5528 * lambda-code.c (can_convert_to_perfect_nest): Declared.
5529 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
5530 Test for perfect_nest_p here. Fix formating.
5531 (replace_uses_equiv_to_x_with_y): Fix formating.
5532 (stmt_uses_op): Removed.
5533 (can_convert_to_perfect_nest): Removed loopivs parameter.
5534 Complete the test by checking the scalar dependences.
5535 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
5538 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5541 From Dan Kegel <dank@kegel.com>:
5542 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
5544 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
5546 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
5547 if the element type is variably modified without recursing.
5549 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5552 * tree-loop-linear.c (try_interchange_loops): Test for
5553 no data dependences.
5555 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
5557 PR tree-optimization/27548
5558 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
5559 range of ssa names that appear on abnormal edges.
5560 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
5561 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
5563 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5566 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
5568 2006-05-17 Jakub Jelinek <jakub@redhat.com>
5571 * tree.h (OMP_PARALLEL_COMBINED): Define.
5572 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
5573 (new_omp_context): Add is_combined_parallel argument.
5574 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
5575 new_omp_context caller.
5576 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
5577 Adjust gimplify_scan_omp_clauses callers.
5578 (omp_is_private): Issue errors if iteration variable is firstprivate
5579 or reduction in the current context.
5580 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
5581 on combined parallel workshare constructs.
5583 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5585 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
5586 (gcc-options.o): New rule.
5588 * optc-gen.awk: Protect variables for gcc-options.o with
5589 #ifdef GCC_DRIVER/#endif.
5591 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
5593 Fix PR tree-optimization/27373
5594 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
5595 (forward_propagate_addr_expr): Update call.
5597 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5599 * doc/options.texi: Move the Negative option.
5601 2006-05-16 Richard Guenther <rguenther@suse.de>
5603 PR tree-optimization/22303
5604 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
5606 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
5607 ccp_fold did not simplify the statement.
5609 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5612 * Makefile.in (GCC_OBJS): New.
5613 (OBJS-common): Add opts-common.o.
5614 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
5615 (cpp$(exeext)): Likewise.
5616 (gcc.o): Also depend on opts.h.
5617 (opts-common.o): New.
5619 * common.opt (gcoff): Add Negative(gdwarf-2).
5620 (gdwarf-2): Add Negative(gstabs).
5621 (gstabs): Add Negative(gstabs+).
5622 (gstabs+): Add Negative(gvms).
5623 (gvms): Add Negative(gxcoff).
5624 (gxcoff): Add Negative(gxcoff+).
5625 (gxcoff+): Add Negative(gcoff).
5626 * config/i386/i386.opt (m32): Add Negative(m64).
5627 (m64): Add Negative(m32).
5629 * doc/options.texi: Document the Negative option.
5631 * gcc.c: Include "opts.h".
5632 (main): Call prune_options after expandargv.
5634 * optc-gen.awk: Generate common declarations for all flag
5635 variables in options.c. Output the neg_index field.
5637 * opts.c (find_opt): Moved to ...
5638 * opts-common.c: Here. New file.
5640 * opts.h (cl_option): Add a neg_index field.
5642 (prune_options): Likewise.
5644 2006-05-16 Jakub Jelinek <jakub@redhat.com>
5647 * omp-low.c (expand_omp_parallel): Don't assert
5648 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
5649 instead search for it.
5652 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
5655 2006-05-16 Andreas Schwab <schwab@suse.de>
5657 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
5660 2006-05-15 Roger Sayle <roger@eyesopen.com>
5663 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
5664 integer constants other than zero are only legitimate on TARGET_64BIT.
5665 <CONST_VECTOR> Only zero vectors are legitimate.
5666 (ix86_cannot_force_const_mem): Integral and vector constants can
5667 always be put in the constant pool.
5669 2006-05-16 DJ Delorie <dj@redhat.com>
5671 * crtstuff.c (__dso_handle): Set section from
5672 TARGET_LBIGCC_SDATA_SECTION if defined.
5673 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
5674 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
5676 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
5679 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
5682 2006-05-16 Ben Elliston <bje@au.ibm.com>
5684 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
5686 2006-05-15 Per Bothner <per@bothner.com>
5688 * tree.c: (last_annotated_node): Use source_locus typedef.
5689 This permits bootstrapping with --enable-mapped-location.
5691 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
5693 PR tree-optimization/26830
5694 * tree-into-ssa.c (struct ssa_name_info): Add age field.
5695 (info_for_ssa_name, current_info_for_ssa_name_age,
5696 blocks_to_update): New variables.
5697 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
5698 (clear_ssa_name_info, initialize_flags_in_bb,
5699 mark_block_for_update): New functions.
5700 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
5701 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
5702 prepare_def_site_for): Use mark_block_for_update.
5703 (mark_def_interesting): Assert that the processed block is marked in
5704 blocks_to_update. Do not take blocks argument.
5705 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
5707 (rewrite_update_init_block, rewrite_update_stmt): Only process
5708 blocks with statements to rewrite.
5709 (delete_update_ssa): Do not clear SSA_NAME_AUX.
5710 (update_ssa): Initialize and free blocks_to_update. Do not
5711 clear flags on statements. Do not use blocks bitmap.
5712 * tree.h (SSA_NAME_AUX): Removed.
5713 (struct tree_ssa_name): Removed aux field.
5714 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
5716 2006-05-15 Richard Guenther <rguenther@suse.de>
5718 PR tree-optimization/27603
5719 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5720 Do computations in original type.
5722 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
5724 * see.c: Code style changes such as redundant paranthesis,
5725 redundant intialization of local variables etc.
5726 (see_main): Declared now as static.
5727 * doc/invoke.texi: Update that -fsee is not enabled by
5730 2006-05-15 Jakub Jelinek <jakub@redhat.com>
5732 * omp-low.c (check_omp_nesting_restrictions): New function.
5733 (scan_omp_1): Call it.
5736 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
5737 construct, return *VAR.
5739 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
5741 PR rtl-optimization/27406
5742 * bt-load.c (migrate_btr_def): Skip the block having abnormal
5745 2006-05-14 Roger Sayle <roger@eyesopen.com>
5747 PR rtl-optimization/27538
5748 * combine.c (expand_compound_operation): Call gen_lowpart
5749 before calling simplify_shift_const.
5751 2006-05-14 Roger Sayle <roger@eyesopen.com>
5753 PR rtl-optimization/22563
5754 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
5755 a fixed width bitfield, always force the intermediates into psuedos.
5757 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
5760 * mkconfig.sh: Use operator = instead of == for test.
5762 2006-05-13 Nick Clifton <nickc@redhat.com>
5764 * dwarf2out.c (dbx_reg_number): Check return value from
5765 LEAF_REG_REMAP and only use it if it is valid.
5766 (multiple_reg_loc_descriptor): Likewise.
5768 2006-05-13 Richard Guenther <rguenther@suse.de>
5770 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
5773 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
5775 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
5776 information attached to non-INSNs such as NOTEs.
5777 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
5779 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
5781 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
5783 * config/s390/s390.md: Adjust comment describing On constraint.
5785 2006-05-11 Jan Hubicka <jh@suse.cz>
5787 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
5788 to be output at -O0.
5790 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5793 * fold-const.c (size_binop): Move sanity check for arguments to
5794 the beginning of the function.
5797 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
5800 2006-05-11 Richard Guenther <rguenther@suse.de>
5803 * fold-const.c (fold_unary): Handle intermediate conversion
5804 to a pointer type like intermediate conversion to an integer
5805 type in folding of (T1)(T2)var to var.
5806 Match the code to the comment in the final conversion for
5807 (T1)(T2)var to (T1)var regarding to type precision. Rather
5808 than disallow T1 being of pointer type, assert that both T1
5809 and var are of pointer type or not. Make sure not to fall
5810 over the frontends lazyness wrt array to pointer decay though.
5812 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
5814 * arm.c (arm_struct_value_rtx): Delete.
5815 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
5816 (arm_init_cumulative_args): Always initialize nregs to zero.
5818 2006-05-10 Richard Guenther <rguenther@suse.de>
5820 PR tree-optimization/27532
5821 * tree-object-size.c (plus_expr_object_size): Fix typo.
5823 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
5826 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
5827 ashrdi_const, ashrdi3): Use a scratch register.
5829 2006-05-10 Richard Guenther <rguenther@suse.de>
5831 PR tree-optimization/27302
5832 * fold-const.c (operand_equal_p): For two comparisons,
5833 try comparison of one comparison code swapped if that yields
5836 2006-05-10 Ben Elliston <bje@au.ibm.com>
5838 * tree-pretty-print.c (pretty_print_string): No need to handle
5839 '\0' as a special character.
5841 * tree.h: Include "hashtab.h".
5842 (iterative_hash_expr): Use hashval_t in its prototype.
5843 * Makefile.in (TREE_H): Add $(HASHTAB_H).
5845 2006-05-09 Steve Ellcey <sje@cup.hp.com>
5848 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
5849 (hppa*64*-*-hpux11*): Ditto.
5850 (hppa[12]*-*-hpux11*): Ditto.
5852 2006-05-09 David Edelsohn <edelsohn@gnu.org>
5855 * config/rs6000/aix41.h (TARGET_64BIT): Define.
5857 2006-05-09 Michael Matz <matz@suse.de>
5859 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
5860 host_extra_gcc_objs and host_xmake_file.
5861 (<*-*-linux*>): Don't overwrite host_xmake_file.
5862 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
5863 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
5864 (host_detect_local_cpu): Declare.
5865 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
5866 * config/i386/i386.c (override_options): Handle -mtune=native
5868 * config/i386/x-i386: New file.
5869 * config/i386/driver-i386.c: New file.
5870 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
5873 2006-05-09 Dirk Mueller <dmueller@suse.de>
5874 Richard Guenther <rguenther@suse.de>
5877 * fold-const.c (fold_read_from_constant_string): Relax check
5878 for matching types to matching modes.
5880 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
5882 PR rtl-optimization/27335
5883 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
5886 2006-05-08 Chao-ying Fu <fu@mips.com>
5887 Richard Sandiford <richard@codesourcery.com>
5889 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
5890 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
5891 * config/mips/mips.md (UNSPEC_SCC): New constant.
5892 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
5893 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
5894 (mips_emit_compare): Use it.
5895 (mips_expand_vcondv2sf): New function.
5897 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
5899 Fix PR tree-optimization/27093
5900 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
5901 renaming when they become not-used_alone.
5903 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5905 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
5906 relocation and relocation stubs.
5908 2006-05-08 Eric Christopher <echristo@apple.com>
5910 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
5913 2006-05-08 Jan Hubicka <jh@suse.cz>
5916 * cgraphunit.c (decide_is_function_needed): When not optimizing even
5917 unused static functions are needed.
5919 2006-05-08 Roger Sayle <roger@eyesopen.com>
5922 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5923 of a reg_equiv_constant if the result is a legitimate constant.
5925 2006-05-08 Uros Bizjak <uros@kss-loka.si>
5928 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
5929 standard 80387 constants, raise the cost to prevent
5930 compress_float_constant() to generate load from memory.
5932 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
5934 * config/arm/constraints.md (c): Fix a typo.
5936 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
5939 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
5942 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
5944 (_mm_mwait): Likewise.
5946 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
5948 (sse3_monitor): Make it 32bit only.
5949 (sse3_monitor64): New. 64bit monitor.
5951 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5954 * config/i386/i386.c (classify_argument): Skip fields with invalid
5957 2006-05-07 Richard Guenther <rguenther@suse.de>
5959 PR tree-optimization/27409
5960 * tree-ssa-structalias.c (get_constraint_for_component_ref):
5961 Do not try to find zero-sized subvars.
5963 2006-05-07 Richard Guenther <rguenther@suse.de>
5965 PR tree-optimization/27136
5966 * tree-ssa-loop-niter.c (get_val_for): Correct function
5967 comment, assert requirements.
5968 (loop_niter_by_eval): Stop processing if the iterated
5969 value did not simplify.
5971 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
5973 * opts.c (flag_see): remove its setting at -O3.
5975 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
5977 * genpeep.c (main): Make insn-peep.c depend on flags.h.
5978 * arm/constraints.md: New file.
5979 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
5980 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
5981 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
5982 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
5983 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
5984 (EXTRA_MEMORY_CONSTRAINT): Likewise.
5985 * arm.md: Include constraints.md.
5986 (thumb_movsi_insn): Use satisfies_constraint_J.
5987 (movhi, movqi): Use satisfies_constraint_I.
5989 2006-04-29 Anatoly Sokolov <aesok@post.ru>
5991 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
5992 for atmeg a645 device.
5994 2006-05-06 Richard Guenther <rguenther@suse.de>
5996 PR tree-optimization/27151
5997 * tree-vect-transform.c (vectorizable_condition): Punt on
5998 values that have a different type than the condition.
6000 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6003 * c-parser.c (c_parser_cast_expression): Only insert casts into
6004 hash table if pointer.
6005 * function.c (used_types_insert_helper): Rename from
6007 (used_types_insert): Call used_types_insert_helper.
6008 * function.h (used_types_insert): Accept only one argument.
6010 2006-05-05 David Edelsohn <edesohn@gnu.org>
6012 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6013 scratch with output modifier.
6015 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6018 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6019 with output modifier.
6021 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6024 * config/mips/mips.c (mips_symbolic_address_p): Return true
6025 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6026 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6028 2006-05-04 Richard Guenther <rguenther@suse.de>
6030 PR tree-optimization/14287
6031 PR tree-optimization/14844
6032 PR tree-optimization/19792
6033 PR tree-optimization/21608
6034 PR tree-optimization/27090
6035 * tree-ssa-pre.c (try_combine_conversion): New function.
6036 (compute_avail): After constructing the value-handle
6037 expression, use try_combine_conversion to combine NOP_EXPRs
6038 with previous value-handle expressions and use the result if it
6041 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6043 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6045 2006-05-04 Jan Hubicka <jh@suse.cz>
6048 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6050 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6052 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6053 that this only matches CONST_INTs. All users changed to VOIDmode
6056 * config/bfin/bfin.c: Include "optabs.h".
6057 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6059 (enum bfin_builtins): Add a number of fractional and vector builtins.
6060 (bfin_init_builtins): Likewise.
6061 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6062 (safe_vector_operand, bfin_expand_binop_builtin,
6063 bfin_expand_unop_builtin): New functions.
6064 (bfin_expand_builtin): Handle the new builtins.
6065 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6068 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6071 * Makefile.in (OBJS-common): Add see.o.
6072 (see.o): Add dependencies.
6073 * common.opt (fsee): New flag for the see optimization was added.
6074 * opts.c (flag_see): Initialized.
6075 * passes.c (init_optimization_passes, pass_see): New pass.
6076 * rtl.h (see_main): Declaration as extern.
6077 * timevar.def (TV_SEE): New.
6078 * tree-pass.h (pass_see): Declaration as extern.
6079 * invoke.texi (-fsee): Document.
6080 * recog.c (validate_simplify_insn): New function.
6081 * recog.h (validate_simplify_insn): Declaration as extern.
6082 * df-problems.c (df_chain_dump): Check for NULL.
6084 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6085 Daniel Berlin <dberlin@dberlin.org>
6087 * cfgrtl.c (insert_insn_bb_end_new): New function.
6088 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6090 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6092 * df.h (struct web_entry): Moved from web.c.
6093 (union_defs): Declaration as extern.
6094 (unionfind_root): Likewise.
6095 (unionfind_union): Likewise.
6096 * web.c (struct web_entry): Moved to df.h.
6097 (unionfind_root): Remove static declaration.
6098 (unionfind_union): Likewise.
6099 (union_defs): Likewise and generalize to use callback function.
6100 (web_main): Update arguments for union_defs function call.
6102 2006-05-04 Richard Guenther <rguenther@suse.de>
6104 PR tree-optimization/26447
6105 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6106 produce SSA_NAME copies before the store stmt to avoid
6107 breaking exception handling.
6109 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6112 * gimplify.c (omp_is_private): If var is shared in some outer context,
6113 return false instead of true. Stop searching on parallel context
6116 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6119 * coverage.c: Use get_gcov_unsigned_t() instead of
6120 unsigned_type_node all over.
6122 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6124 PR tree-optimization/27381
6125 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6126 maintain the same immediate_use links.
6127 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6128 node rather than segfaulting.
6130 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6133 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6134 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6135 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6137 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6139 Fix PR tree-optimization/26626
6140 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6142 * tree-ssa-operands.c (access_can_touch_variable): Allow
6143 typecasting through union pointers.
6145 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6148 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6149 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6150 to find if var will be a global variable even in the nested context.
6151 (omp_copy_decl): Only check for global variable at the end, it might
6152 be overridden in outer contexts.
6153 (scan_sharing_clauses): For global variables don't create a field.
6154 (lower_rec_input_clauses): Do nothing for global shared variables.
6155 Emit a barrier at the end of ILIST if there were any decls in both
6156 firstprivate and lastprivate clauses.
6157 (lower_send_clauses): Do nothing for global variables except for
6160 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6162 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6163 of the correct signedness is returned.
6165 2006-05-02 Jeff Law <law@redhat.com>
6167 PR tree-optimization/27364
6168 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6169 multiply expressions.
6171 2006-05-02 Tom Tromey <tromey@redhat.com>
6173 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6175 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6178 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6179 -mthumb -fPIC are used.
6181 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6182 Joshua Kinard <kumba@gentoo.org>
6185 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6186 with 64-bit pointers.
6188 2006-05-02 Paul Brook <paul@codesourcery.com>
6190 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6192 (create_fix_barrier): Check that a suitable barrier location is
6194 (arm_reorg): Include ftmp->address in allowable range of addresses.
6196 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6199 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6202 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6205 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6206 around RESULT_DECL for result passed by reference.
6207 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6208 * omp-low.c (use_pointer_for_field): Don't look at
6209 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6210 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6211 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6212 time or var for passing by reference for
6213 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6214 TREE_ADDRESSABLE variables when passing by reference.
6216 * omp-low.c (dump_omp_region): Fix output formatting.
6219 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6220 (expand_omp_parallel): Likewise.
6221 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6224 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6225 on statement list containing also constructors and destructors.
6226 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6229 * except.c (duplicate_eh_regions): Fix clearing of
6230 cfun->eh->region_array entries.
6232 2006-05-01 DJ Delorie <dj@redhat.com>
6234 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6236 (gcc_cv_objdump): Likewise.
6237 * configure: Regenerated.
6239 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6242 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6243 templates for case 3 and 4.
6245 2006-05-01 DJ Delorie <dj@redhat.com>
6247 * vec.c: Include bconfig.h when appropriate.
6248 * Makefile.in (build/vec.o): Adjust dependencies.
6249 * mkconfig.sh: Make sure config.h isn't used for build machine
6252 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6254 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6256 (mark_phi_for_rewrite): New function.
6257 (insert_phi_nodes_for, mark_use_interesting): Call
6258 mark_phi_for_rewrite.
6259 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
6260 (update_ssa): Initialize and free phis_to_rewrite.
6262 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6264 PR rtl-optimization/27291
6265 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
6266 folded to a constant.
6268 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6270 PR tree-optimization/27283
6271 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
6272 not whole # of iteration descriptions.
6273 (niter_for_exit): Return just # of iterations. Fail if # of iterations
6274 uses abnormal ssa name.
6275 (niter_for_single_dom_exit): Ditto.
6276 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
6277 return just the number of iterations.
6279 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6281 PR tree-optimization/27144
6282 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
6283 (record_estimate): Only record constant upper bound.
6284 (infer_loop_bounds_from_undefined): Call
6285 compute_estimated_nb_iterations just once.
6286 (proved_non_wrapping_p): Renamed to ...
6287 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6288 (convert_step_widening, scev_probably_wraps_p): Call
6289 n_of_executions_at_most instead of proved_non_wrapping_p.
6290 (substitute_in_loop_info): Do not replace values in bounds.
6291 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6294 2006-05-01 Richard Henderson <rth@redhat.com>
6297 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6298 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6301 2006-05-01 Roger Sayle <roger@eyesopen.com>
6303 * c-typeck.c (parser_build_binary_op): Don't call the function
6304 unsigned_conversion_warning to spot operand/result type overflow.
6305 (build_binary_op): Instead, call convert_and_check instead of
6306 convert to report the problem when the operands are promoted.
6307 * c-common.c (unsigned_conversion_warning): Make static.
6308 * c-common.h (unsigned_conversion_warning): Delete prototype.
6310 2006-05-01 Richard Guenther <rguenther@suse.de>
6312 PR tree-optimization/26726
6313 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6315 (find_interesting_uses_address): ... we work around here
6316 by folding INDIRECT_REFs in the substituted base.
6318 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6320 * omp-low.c (dump_omp_region): Add newlines.
6322 2006-04-30 Roger Sayle <roger@eyesopen.com>
6324 * common.opt (Woverflow): New command line option.
6325 * c-common.c (constant_expression_warning): Check warn_overflow.
6326 (overflow_waring): Pass OPT_Woverflow to warning.
6327 (unsigned_conversion_warning): Likewise.
6328 (convert_and_check): Likewise.
6329 * doc/invoke.texi: Document new command line option.
6331 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6333 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6334 TARGET_NO_FP_IN_TOC for section anchors.
6335 (optimization_options): Enable section anchors for all
6336 non-"Objective" languages.
6338 2006-04-28 Eric Christopher <echristo@apple.com>
6340 * config/darwin-c.c (darwin_ms_struct): Move this
6341 (darwin_set_default_type_attributes): and this...
6342 * config/darwin.c: ... here.
6343 * config/darwin.h (darwin_ms_struct): Declare.
6345 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
6347 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
6349 2006-04-28 Roger Sayle <roger@eyesopen.com>
6352 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
6353 (push_array_bounds): Delete prototype. Change BOUNDS argument to
6354 an unsigned HOST_WIDE_INT.
6355 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
6357 (really_start_incremental_init): No need to call convert because
6358 bitsize_zero_node is already of type bitsizetype.
6359 (push_init_level): Extract the value of constructor_index as an
6360 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
6361 (process_init_element): Likewise.
6363 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
6365 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
6366 value before passing to make_relative_prefix.
6368 2006-04-28 Alan Modra <amodra@bigpond.net.au>
6371 * builtins.c (expand_builtin_memset): Expand val in original mode.
6373 2006-04-27 Eric Christopher <echristo@apple.com>
6375 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
6376 with #ifndef/#endif.
6377 * config/darwin-c.c (darwin_ms_struct): New.
6378 (darwin_pragma_ms_struct): Ditto.
6379 (darwin_set_default_type_attributes): Ditto.
6380 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
6381 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
6382 Register ms_struct pragma.
6383 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
6384 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
6385 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
6386 darwin_set_default_type_attributes if TARGET_MACHO.
6388 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
6390 PR tree-optimization/26854
6391 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
6392 * doc/tree-ssa.texi: Update immuse iterator documentation.
6393 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
6394 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
6395 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
6396 first_safe_imm_use, next_safe_imm_use): Remove.
6397 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
6398 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
6399 (move_use_after_head): New. Helper function to sort immuses in a stmt.
6400 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
6401 (first_imm_use_stmt): New. Get first stmt in an immuse list.
6402 (next_imm_use_stmt): New. Get next stmt in an immuse list.
6403 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
6404 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
6405 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
6406 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
6407 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
6408 (perfect_nestify): Use new iterator.
6409 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
6411 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
6412 (next_imm_name): New field in struct immediate_use_iterator_d.
6413 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
6414 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
6415 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
6416 * tree-cfg.c (replace_uses_by): Use new iterator.
6417 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
6418 * tree-ssa-operands.c (correct_use_link): Remove.
6419 (finalize_ssa_use_ops): No longer call correct_use_link.
6421 2006-04-27 Stuart Hastings <stuart@apple.com>
6423 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
6424 * config/t-darwin (crt3.o): Use it.
6425 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
6426 'pmode', use Pmode instead of SImode for SYMBOL_REF.
6427 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
6428 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
6429 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
6432 2006-04-27 Roger Sayle <roger@eyesopen.com>
6434 * expmed.c (store_fixed_bit_field): If we're not optimizing for
6435 size, force the intermediate into a new pseudo rather instead of
6436 performing both a bitwise AND and a bitwise IOR in memory.
6438 2006-04-27 Richard Guenther <rguenther@suse.de>
6440 PR rtl-optimization/26685
6441 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
6442 this one "max-flow-memory-locations".
6444 2006-04-27 Richard Guenther <rguenther@suse.de>
6446 PR tree-optimization/25148
6447 * tree-vrp.c (compare_values): Remove code dealing with
6448 comparisons against type min/max value. Honour overflow
6449 and negative constants in code dealing with comparisons
6450 of plus and minus expressions.
6451 (value_inside_range): Use fold_binary with LE_EXPR and
6452 GE_EXPR rather than compare_values.
6454 2006-04-27 Dirk Mueller <dmueller@suse.de>
6456 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
6459 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
6461 * basic-block.h (safe_insert_insn_on_edge): Removed.
6462 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
6464 2006-04-26 David Edelsohn <edelsohn@gnu.org>
6465 Paolo Bonzini <bonzini@gnu.org>
6468 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
6469 (simplify_and_const_int): Same.
6471 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
6473 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
6475 2006-04-26 Jakub Jelinek <jakub@redhat.com>
6478 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
6479 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
6480 cgraph_global_info_ready.
6483 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
6486 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
6487 either decl or init is error_mark_node.
6490 * tree-flow.h (struct omp_region): Add sched_kind.
6491 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
6492 instead of extracting omp for data.
6493 (expand_omp_for): Save extracted sched_kind.
6495 2006-04-25 Roger Sayle <roger@eyesopen.com>
6497 * expmed.c (store_bit_field): Also check whether the bitsize is
6498 valid for the machine's "insv" instruction before moving the
6499 target into a pseudo for use with the insv.
6500 * config/i386/predicates.md (const8_operand): New predicate.
6501 * config/i386/i386.md (extv, extzv, insv): Use the new
6502 const8_operand predicate where appropriate.
6504 2006-04-25 DJ Delorie <dj@redhat.com>
6506 * doc/install.texi (Specific): Clarify that this is not a list of
6507 supported hosts or targets.
6509 2006-04-25 Richard Sandiford <richard@codesourcery.com>
6511 PR rtl-optimization/26725
6512 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
6513 block's BB_DIRTY flag.
6515 2006-04-25 Geoffrey Keating <geoffk@apple.com>
6517 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
6520 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
6521 to print an integer.
6523 2006-04-25 David Edelsohn <edelsohn@gnu.org>
6525 * varasm.c (align_variable): New function.
6526 (get_block_for_decl): Apply align_variable to DECL before
6527 calculating section information.
6528 (assemble_variable): Split out alignment computation.
6530 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
6532 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
6535 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
6537 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
6538 MODE_PARTIAL_INT mode.
6539 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
6540 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
6542 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
6543 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
6545 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
6547 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
6549 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
6550 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
6551 MACFLAG_IH): Likewise.
6552 (movstricthi_1): Renamed from "*movstricthi".
6553 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
6554 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
6555 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
6556 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
6557 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
6558 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
6559 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
6560 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
6561 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
6562 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
6563 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
6564 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
6565 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
6566 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
6567 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
6569 * doc/rtl.texi (ss_ashift): Improve wording.
6571 2006-04-24 Geoffrey Keating <geoffk@apple.com>
6573 * dwarf2out.c (verify_marks_clear): New.
6574 (prune_unused_types): Call verify_marks_clear initially, not
6577 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
6579 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
6580 * doc/rtl.texi: Document them.
6581 * simplify-rtx.c (simplify_unary_operation,
6582 simplify_binary_operation_1): Don't abort when we see them.
6584 2006-04-24 Mark Mitchell <mark@codesourcery.com>
6587 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6588 * configure.ac: Completely disregard languages that are not
6590 * configure: Regenerated.
6592 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6593 Richard Guenther <rguenther@suse.de>
6595 PR tree-optimization/27236
6596 * tree-inline.c (copy_body_r): Make sure to copy
6597 TREE_THIS_VOLATILE flag.
6599 2006-04-24 Richard Guenther <rguenther@suse.de>
6602 * tree-complex.c (update_parameter_components): Don't handle
6603 unused parameters which have no default def.
6605 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6606 Richard Guenther <rguenther@suse.de>
6608 PR tree-optimization/27218
6609 * tree-inline.c (expand_call_inline): Strip useless type
6610 conversions for the return slot address.
6612 2006-04-24 Richard Guenther <rguenther@suse.de>
6614 * cfgloop.h (struct loops): Remove unused field array. Reorder
6616 (LOOP_PREFETCH): Remove.
6618 2006-04-24 Richard Guenther <rguenther@suse.de>
6620 PR tree-optimization/22525
6621 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
6622 variable, adjust types of generated expressions.
6624 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
6626 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
6627 (tree-vect-patterns.o): Likewise.
6629 (cselib.o): Likewise.
6630 (loop-doloop.o): Likewise.
6631 (regclass.o): Likewise.
6632 (reload1.o): Likewise.
6633 (explow.o): Replace target.h with $(TARGET_H).
6634 (ipa-prop.o): Likewise.
6635 (ipa-cp.o): Likewise.
6636 (ipa-inline.o): Likewise.
6637 (reorg.o): Likewise.
6638 (reg-stack.o): Likewise.
6640 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6642 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
6644 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6646 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
6648 * configure.ac: Completely disregard languages that are not
6650 * configure: Regenerated.
6653 * c-common.h (c_build_bitfield_integer_type): Declare.
6654 * c-decl.c (c_build_bitfield_integer_type): Move to ...
6655 * c-common.c (c_build_bitfield_integer_type): ... here.
6657 2006-04-23 Roger Sayle <roger@eyesopen.com>
6660 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
6661 a SImode SUBREG of a floating point register after no_new_pseudos.
6663 2006-04-23 Roger Sayle <roger@eyesopen.com>
6665 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
6666 identify potentially eliminable registers to additionally catch
6667 VIRTUAL_INCOMING_ARGS_REGNUM.
6668 (addsi3): Update the conditions on when to use addsi_small_int.
6670 2006-04-23 Roger Sayle <roger@eyesopen.com>
6673 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
6674 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
6675 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
6677 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6679 * fold-const.c (range_predecessor): Use operand_equal_p
6680 as the predicate for equality.
6681 (range_successor): Likewise.
6683 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6686 * config/soft-fp/op-common.h: Fix a typo.
6688 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
6691 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
6692 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
6694 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6696 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
6698 * doc/tm.texi: Fix a typo.
6700 2006-04-21 Geoffrey Keating <geoffk@apple.com>
6702 * dwarf2out.c (struct die_struct): Document that die_sib makes
6703 a circular linked list.
6704 (FOR_EACH_CHILD): New.
6705 (reverse_die_lists): Delete.
6706 (reverse_all_dies): Delete.
6707 (add_dwarf_attr): Correct documentation.
6708 (remove_child_with_prev): New.
6709 (remove_child_TAG): Update for change to die_struct, use
6710 remove_child_with_prev.
6711 (add_child_die): Update for change to die_struct.
6712 (splice_child_die): Use remove_child_with_prev and add_child_die.
6713 (print_die): Use FOR_EACH_CHILD.
6714 (die_checksum): Likewise.
6715 (assign_symbol_names): Likewise.
6716 (output_location_lists): Likewise.
6717 (build_abbrev_table): Likewise.
6718 (calc_die_sizes): Likewise.
6719 (mark_dies): Likewise.
6720 (unmark_dies): Likewise.
6721 (unmark_all_dies): Likewise.
6722 (output_die): Likewise.
6723 (prune_unused_types_mark): Likewise.
6724 (prune_unused_types_walk): Likewise.
6725 (same_die_p): Update for change to die_struct.
6726 (break_out_includes): Likewise.
6727 (prune_unused_types_prune): Likewise.
6728 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
6729 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
6731 (dwarf2out_finish): Don't call reverse_all_dies.
6733 2006-04-21 Eric Christopher <echristo@apple.com>
6735 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
6736 in comments and function names.
6738 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6741 * c-typeck.c (digest_init): Robustify.
6743 * c-typeck.c (pop_init_level): Simplify.
6745 2006-04-21 Steve Ellcey <sje@cup.hp.com>
6747 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
6749 2006-04-21 Paul Brook <paul@codesourcery.com>
6751 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
6752 hardware floating point.
6754 2006-04-21 David Edelsohn <edelsohn@gnu.org>
6756 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
6759 2006-04-21 Nick Clifton <nickc@redhat.com>
6761 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
6764 2006-04-21 Alan Modra <amodra@bigpond.net.au>
6767 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
6768 C++ lang type in traceback table for Objective-C++.
6770 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
6772 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
6774 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
6776 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6779 * tree-mudflap.c (mudflap_finish_file): Skip function when there
6780 were errors. Remove check for erroneous objects.
6782 2006-04-20 Jeff Law <law@redhat.com>
6784 PR tree-optimization/26854
6785 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
6786 checking for zero or one use.
6787 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
6788 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
6789 * tree-ssa-reassoc.c (negate_value): Similarly.
6790 (reassociate_bb): Similarly.
6792 2006-04-20 Jakub Jelinek <jakub@redhat.com>
6794 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
6795 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
6796 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
6798 2006-04-20 Alan Modra <amodra@bigpond.net.au>
6800 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
6801 fp regs if the last fp arg doesn't fit in regs.
6803 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
6806 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
6807 that the last insn has the REG_INC note.
6809 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
6810 Nathan Sidwell <nathan@codesourcery.com>
6813 * stor-layout.c (update_alignment_for_field): Do not align
6815 (place_union_field): Place union field at the start of the union.
6816 (place_field): Move ERROR_MARK check later, and use the current
6817 allocation position to maintain monotonicity.
6819 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
6821 * dominance.c: Include timevar.h.
6822 (calculate_dominance_info): Use TV_DOMINANCE.
6823 * timevar.def (TV_DOMINANCE): New timevar.
6824 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
6826 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6828 PR rtl-optimization/14261
6829 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
6830 move would be an INSV insn.
6831 (noce_process_if_block): Don't optimize if the destination is a
6832 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
6834 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6836 * config/s390/s390.md: Add comments with the instructions emitted
6837 by an insn pattern if macros are used.
6839 2006-04-19 Alan Modra <amodra@bigpond.net.au>
6841 PR rtl-optimization/26026
6842 * fold-const.c (fold_binary): Optimize div and mod where the divisor
6843 is a known power of two shifted left a variable amount.
6845 2006-04-18 Geoffrey Keating <geoffk@apple.com>
6847 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
6848 to hash table twice when the debug_str section has SECTION_MERGE.
6850 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
6852 * config/soft-fp: New directory. From glibc.
6853 * config/soft-fp/t-softfp: New.
6854 * config/soft-fp/README: New.
6855 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
6856 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
6857 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
6858 (LIBGCC_DEPS): Add $(SFP_MACHINE).
6859 * config.gcc: Use rs6000/t-fprules-fpbit or
6860 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
6862 * config/rs6000/sfp-machine.h: New. Based on glibc.
6863 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
6865 * config/rs6000/t-fprules: Remove fp-bit rules.
6866 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
6867 * config/rs6000/t-linux64: Likewise. Remove duplicates from
6868 LIB2FUNCS_EXTRA. Remove fp-bit rules.
6869 (softfp_wrap_start, softfp_wrap_end): New.
6871 2006-04-18 DJ Delorie <dj@redhat.com>
6873 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
6875 2006-04-18 Devang Patel <dpatel@apple.com>
6877 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
6879 2006-04-18 Nick Clifton <nickc@redhat.com>
6881 * config/sh/t-symbian: Add rule to build sh-c.o
6882 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
6883 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
6884 (sh_symbian_encode_section_info): Likewise.
6886 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
6888 * builtins.c (expand_builtin_strcmp): Cover label definition of
6889 do_libcall with HAVE_cmpstrnsi.
6891 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
6893 * function.c (temp_slots_at_level, max_slot_level): Use VEC
6895 * function.h (temp_slot_p): New.
6896 (function): Change the type of x_used_temp_slots to
6897 VEC(temp_slot_p,gc) *.
6899 2006-04-18 Nick Clifton <nickc@redhat.com>
6901 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
6902 flag_strength_reduce.
6904 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
6906 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6910 Partial revert of revision 112637
6911 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6912 Dale Johannesen <dalej@apple.com>
6915 * regclass.c (struct reg_pref): Update documentation.
6916 (regclass): Set prefclass to NO_REGS if memory is the best option.
6917 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6919 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6921 PR tree-optimization/26821
6922 * tree-ssa-math-opts.c (get_constant_one): New.
6923 (insert_reciprocals): Use it.
6925 2006-04-17 Geoffrey Keating <geoffk@apple.com>
6927 * dwarf2out.c (free_AT): Delete.
6928 (remove_AT): Update string ref counts.
6929 (remove_child_TAG): Don't call free_die.
6931 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
6932 or DW_TAG_GNU_EINCL.
6933 (prune_unused_types_walk_attribs): Reset string refcounts.
6934 (prune_unused_types_update_strings): New.
6935 (prune_unused_types_prune): Don't make unnecessary stores. Don't
6936 call free_die. Do call prune_unused_types_update_strings.
6937 (prune_unused_types): Empty debug_str_hash.
6939 2006-04-17 Roger Sayle <roger@eyesopen.com>
6941 * expr.c (expand_assignment): Optimize away no-op moves where the
6942 source and destination are equal and have no side-effects.
6944 2006-04-17 Richard Guenther <rguenther@suse.de>
6947 * reload.c (push_reload): Guard calls to get_secondary_mem
6950 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
6952 * alias.c (reg_base_value, old_reg_base_value): Change the
6953 type to VEC(rtx,gc) *.
6954 (REG_BASE_VALUE, find_base_value, record_set,
6955 init_alias_analysis): Use VEC instead of VARRAY.
6957 * alias.c (alias_sets): Change the type to
6958 VEC(alias_set_entry,gc) *.
6959 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
6960 VEC instead of VARRAY.
6961 (last_alias_set): Remove.
6963 * cgraph.h (cgraph_edge_p): New.
6964 Update the prototype of cgraph_function_versioning.
6965 * cgraphunit.c (cgraph_copy_node_for_versioning,
6966 cgraph_function_versioning): Use VEC instead of VARRAY.
6967 * ipa-cp.c (ipcp_insert_stage): Likewise.
6969 2006-04-16 Roger Sayle <roger@eyesopen.com>
6972 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
6973 "A op B" or "A op C", we may need to convert A to the type of B and C.
6975 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
6977 * target.h (struct gcc_target): Add mode_rep_extended.
6978 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
6979 (init_num_sign_bit_copies_in_rep): Initialize it using
6981 (truncate_to_mode): Use it.
6982 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
6983 * targhooks.h (default_mode_rep_extended): Declare it.
6984 * targhooks.c (default_mode_rep_extended): Define it.
6985 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
6986 default_mode_rep_extended.
6987 (TARGET_INITIALIZER): Include it.
6988 * doc/tm.texi (Misc): Document it.
6989 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
6990 (mips_truncated_to_mode): New function.
6992 2006-04-16 Roger Sayle <roger@eyesopen.com>
6995 * expr.c (compress_float_constant): Copy the narrow constant into
6996 a new pseudo before extending it to its final width.
6998 2006-04-16 Roger Sayle <roger@eyesopen.com>
6999 Andrew Pinski <pinskia@gcc.gnu.org>
7000 Dale Johannesen <dalej@apple.com>
7003 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7004 special case code to implement V8HImode and V16QImode with SSE2.
7006 2006-04-15 Roger Sayle <roger@eyesopen.com>
7008 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7009 trees are constructed with a suitable tree type.
7011 2006-04-15 Roger Sayle <roger@eyesopen.com>
7013 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7014 (integer_onep): Likewise.
7015 (integer_all_onesp): Likewise.
7016 (integer_pow2p): Likewise.
7017 (integer_nonzerop): Likewise.
7018 (real_zerop): Likewise.
7019 (real_onep): Likewise.
7020 (real_twop): Likewise.
7021 (real_minus_onep): Likewise.
7022 (int_size_in_bytes): Likewise.
7023 (host_integerp): Likewise.
7025 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7027 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7028 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7029 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7031 * tree-ssa-structalias.h (alias_info): Remove num_references.
7033 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7035 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7036 (output_bvb patterns): Likewise.
7037 * pa.c (output_bb): Use 'bb' insn for long branch case.
7038 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7039 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7040 1. Correct length operand for alternatives 1 and 2.
7041 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7042 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7044 2006-04-14 Roger Sayle <roger@eyesopen.com>
7046 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7047 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7048 were accidentally reverted by r112959.
7050 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7053 * except.h (eh_region_outermost): New prototype.
7054 * except.c (eh_region_outermost): New function.
7055 * tree-cfg.c (find_outermost_region_in_block): Use it.
7057 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7059 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7061 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7062 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7063 (init_reload, reload): Use VEC instead of VARRAY.
7064 * reload.h: Update the prototype for
7065 reg_equiv_memory_loc_varray.
7067 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7068 Eric Botcazou <ebotcazou@libertysurf.fr>
7070 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7073 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7076 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7077 to expand fallback builtin function call.
7079 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7082 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7083 and emit libcall here in case the builtin fails.
7084 (expand_builtin_strcmp): Always emit the libcall here on failure.
7086 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7088 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7089 * flow.c (reg_n_info): Change the type to
7090 VEC(reg_info_p,heap) *.
7091 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7093 * regs.h (reg_info_p): New.
7094 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7095 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7096 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7099 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7101 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7103 * params.h (MAX_SCHED_READY_INSNS): New macro.
7104 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7105 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7106 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7107 the ready list for 1 cycle during the first scheduling pass.
7108 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7110 2006-04-13 Richard Henderson <rth@redhat.com>
7113 * gimple-low.c (lower_omp_directive): Remove dead code.
7114 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7115 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7116 * omp-low.c (struct omp_region): Move to tree-flow.h.
7117 (root_omp_region): Export.
7118 (omp_regions, lookup_omp_region): Remove.
7119 (determine_parallel_type): Update for struct omp_region changes.
7120 (dump_omp_region): Dump regions with block numbers.
7121 (new_omp_region): Take type and block instead of stmt; malloc
7123 (free_omp_region_1, free_omp_regions): New.
7124 (expand_parallel_call): Take entry_stmt as argument; update for
7125 changes to omp_region.
7126 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7127 (remove_exit_barriers): New.
7128 (expand_omp_parallel): Update for struct omp_region changes.
7129 (expand_omp_synch): Likewise.
7130 (expand_omp): Likewise.
7131 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7132 (expand_omp_for_static_chunk): Likewise.
7133 (expand_omp_for): Likewise.
7134 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7135 (expand_omp_sections): Similarly, with GOMP_sections_end.
7136 (expand_omp_single): New.
7137 (build_omp_regions_1): Update for OMP_CONTINUE.
7138 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7139 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7140 OMP_SECTIONS_SECTIONS.
7141 (lower_omp_single_simple): Don't emit barrier here.
7142 (lower_omp_single_copy): Likewise.
7143 (lower_omp_single): Fix bindings, and lower to straightline now.
7144 (lower_omp_master, lower_omp_ordered): Likewise.
7145 (lower_omp_critical): Likewise.
7146 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7147 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7148 omp edges, free it afterward.
7149 (make_omp_sections_edges): Remove.
7150 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7151 (move_stmt_r): Handle OMP_CONTINUE.
7152 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7153 statement pointers to basic blocks. Add type member.
7154 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7155 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7156 * tree-inline.c (estimate_num_insns_1): Likewise.
7157 * tree-pretty-print.c (dump_generic_node): Likewise.
7158 * tree-ssa-operands.c (get_expr_operands): Likewise.
7159 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7160 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7161 (OMP_CONTINUE): New.
7162 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7163 (OMP_SECTIONS_SECTIONS): Remove.
7164 (OMP_SECTION_LAST): New.
7165 (OMP_RETURN_NOWAIT): New.
7167 2006-04-13 Roger Sayle <roger@eyesopen.com>
7169 * fold-const.c (native_encode_vector, native_interpret_real):
7170 Correct obvious mistakes in the previous check-in.
7172 2006-04-13 Roger Sayle <roger@eyesopen.com>
7174 * fold-const.c (native_encode_expr): New function to encode
7175 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7176 or VECTOR_CST into a specified buffer.
7177 (native_encode_int): New function.
7178 (native_encode_real): New function.
7179 (native_encode_complex): New function.
7180 (native_encode_vector): New function.
7181 (native_interpret_expr): Inverse of native_encode_expr to convert
7182 a target representation into an INTEGER_CST, REAL_CST etc...
7183 (native_interpret_int): New function.
7184 (native_interpret_real): New function.
7185 (native_interpret_complex): New function.
7186 (native_interpret_vector): New function.
7187 (fold_view_convert_expr): New function to constant fold/evaluate
7188 a VIEW_CONVERT_EXPR of a suitable constant expression.
7189 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7190 Change call of build1 to fold_build1 when constructing a
7193 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7194 Ulrich Weigand <uweigand@de.ibm.com>
7197 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7200 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7203 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7204 optimize to lo_sum for DFmode if !TARGET_FPRS.
7206 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7208 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7209 delete_alias_info, compute_flow_sensitive_aliasing,
7210 group_aliases): Use VEC instead of VARRAY.
7211 * tree-ssa-structalias.c (update_alias_info): Likewise.
7212 * tree-ssa-structalias.h (alias_info): Change the type of
7213 processed_ptrs to VEC(tree,heap) *.
7215 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7218 * config/sh/lib1funcs.h: New file, broken out of:
7219 * config/sh/lib1funcs.asm.
7220 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7222 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7223 * config/sh/lib1funcs-Os-4-200.asm: New file.
7224 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7225 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7226 (EXTRA_MULTILIB_PARTS): Include it.
7227 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7228 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7229 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7230 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7233 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7235 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7236 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7237 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7239 * tree-ssa-live.h: Include vecprim.h.
7240 (tree_partition_associator_d): Change the type of
7241 first_partition to VEC(int,heap) *.
7242 (tpa_first_partition): Use VEC instead of VARRAY.
7244 * Makefile.in (GTFILES): Move functions.h after tree.h.
7245 * function.c (reset_block_changes, record_block_change,
7246 check_block_change, free_block_changes): Use VEC instead of
7248 * function.h (function): Change the type of
7249 ib_boundaries_block to VEC(tree,gc) *.
7250 * tree-inline.c (copy_cfg_body): Initialize
7251 ib_boundaries_block to NULL instead of (varray_type) 0.
7253 2006-04-12 Roger Sayle <roger@eyesopen.com>
7255 * expr.c (emit_group_store): Correct operand order in call to
7256 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7257 a SUBREG_BYTE of zero.
7259 2006-04-12 Richard Guenther <rguenther@suse.de>
7261 * profile.c (compute_branch_probabilities): Remove code
7262 encapsulated in !ir_type (), which are remanents of the
7263 removed RTL profiling code.
7264 * rtl-profile.c: Remove.
7266 2006-04-12 Alan Modra <amodra@bigpond.net.au>
7268 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
7269 magic NULL_RTX comment.
7270 (function_arg): Store entire fp arg to mem if any part should go
7272 (rs6000_arg_partial_bytes): Adjust for above change.
7274 2006-04-11 Roger Sayle <roger@eyesopen.com>
7276 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
7277 if it hasn't been initialized by dwarf2out_init.
7279 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
7281 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
7282 symbolic constants in branch patterns.
7284 2006-04-11 Roger Sayle <roger@eyesopen.com>
7286 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7288 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7290 PR rtl-optimization/27073
7291 * gcse.c (try_replace_reg): Revert last change. Continue to search
7292 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7295 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7297 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7298 aggregate types other than record and union types.
7299 (function_arg): Likewise.
7300 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7302 (function_value): In 64-bit mode, return objects that require it
7305 2006-04-11 Roger Sayle <roger@eyesopen.com>
7307 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7309 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7311 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7313 2006-04-03 Jeff Law <law@redhat.com>
7316 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7317 alias information too.
7319 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7321 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7323 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7326 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7327 (premark_used_types_helper): New.
7328 (premark_used_types): New.
7329 (gen_subprogram_die): Call premark_used_types.
7330 (prune_unused_types_walk): Do not prune perennial dies.
7331 * function.c (used_types_insert): New.
7332 * function.h (struct function): Add used_types_hash field.
7333 (used_types_insert): Add prototype.
7334 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
7335 * c-parser.c (c_parser_cast_expression): Save casted types in used
7338 2006-04-11 Mark Mitchell <mark@codesourcery.com>
7341 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
7342 rs6000_explicit_options.float_gprs.
7344 2006-04-10 Roger Sayle <roger@eyesopen.com>
7346 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
7347 from ix86_expand_vector_init_low_nonzero. Take an additional
7348 one_var argument indicating which element is non-zero. Support
7349 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7350 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
7351 with one_var instead of ix86_expand_vector_init_low_nonzero.
7353 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
7355 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
7356 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
7357 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
7358 build/genextract.o): Depend on vecprim.h.
7359 * cfglayout.c, df-problems.c, function.c, genextract.c,
7360 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
7361 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
7365 2006-04-10 Geoffrey Keating <geoffk@apple.com>
7367 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
7368 Declare VECs of this type.
7369 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
7370 (remove_children): Delete.
7371 (add_dwarf_attr): Use VEC routines.
7372 (add_AT_flag): Update for changes to add_dwarf_attr.
7373 (add_AT_int): Likewise.
7374 (add_AT_unsigned): Likewise.
7375 (add_AT_long_long): Likewise.
7376 (add_AT_vec): Likewise.
7377 (add_AT_string): Likewise.
7378 (add_AT_die_ref): Likewise.
7379 (add_AT_fde_ref): Likewise.
7380 (add_AT_loc): Likewise.
7381 (add_AT_loc_list): Likewise.
7382 (add_AT_addr): Likewise.
7383 (add_AT_lbl_id): Likewise.
7384 (add_AT_lineptr): Likewise.
7385 (add_AT_macptr): Likewise.
7386 (add_AT_offset): Likewise.
7387 (add_AT_range_list): Likewise.
7388 (get_AT): Use VEC_iterate.
7389 (remove_AT): Use VEC_ordered_remove.
7390 (free_die): Fold remove_children into here; have it use VEC_iterate.
7391 (print_die): Use VEC_iterate on attrs.
7392 (reverse_die_lists): Don't reverse attr lists.
7393 (die_checksum): Use VEC_iterate on attrs.
7394 (same_die_p): Likewise.
7395 (output_location_lists): Likewise.
7396 (build_abbrev_table): Likewise.
7397 (size_of_die): Likewise.
7398 (unmark_all_dies): Likewise.
7399 (output_abbrev_section): Likewise.
7400 (output_die): Likewise.
7401 (prune_unused_types_walk_attribs): Likewise.
7403 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7405 * doc/install.texi (*-*-solaris2*): Point to the configure page.
7407 2006-04-10 Jakub Jelinek <jakub@redhat.com>
7410 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
7412 2006-04-09 Roger Sayle <roger@eyesopen.com>
7414 * expr.c (store_constructor): Don't bother clearing target if
7415 we're about to assign a vector to it using vec_init_optab.
7417 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
7419 * tree-ssa-alias.c (lhs_may_store_to): New function.
7420 (recalculate_used_alone): Handle LHS of calls.
7422 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7426 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
7427 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
7428 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
7429 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
7430 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
7431 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
7432 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
7433 stubs. Add ".align 8" directives before all ".dword" directives.
7434 (GTHREAD_USE_WEAK): Revise comment.
7435 (TARGET_ATTRIBUTE_WEAK): Define.
7436 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
7437 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
7438 * stublib.c: New file.
7443 * pa.md (cbranch patterns): Revise arguments used in calls to
7444 output_cbranch, output_bb and output_bvd. Add long branch length
7446 (fbranch patterns): Handle long branches.
7447 (jump): Revise length check. Revise arguments for output_lbranch call.
7448 Add long branch length attributes.
7449 (decrement_and_branch_until_zero): Add long branch length attributes.
7450 (output_movb, output_parallel_addb and output_parallel_movb patterns):
7451 Likewise. Revise arguments for output_parallel_addb and
7452 output_parallel_movb calls.
7453 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
7454 output_parallel_movb and output_parallel_addb): Update prototypes.
7455 * pa.c (output_cbranch): Revise arguments. Correct handling of
7456 nullification in long branches.
7457 (output_lbranch): Add new argument to control extraction of delay
7459 (output_bb): Handle long branches.
7460 (output_bvb, output_dbra, output_movb, output_parallel_movb,
7461 output_parallel_addb): Likewise.
7463 2006-04-09 Richard Sandiford <richard@codesourcery.com>
7465 PR rtl-optimization/27073
7466 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
7469 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
7471 * tree.h (tree_memory_tag): Add old_used_alone.
7472 (SMT_OLD_USED_ALONE): New macro.
7473 * tree-ssa-alias.c (recalculate_used_alone): Stop
7474 marking things for renaming unnecessarily.
7476 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
7478 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
7479 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
7480 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
7481 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
7482 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
7483 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
7484 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
7485 spelling convensions.
7486 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
7487 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
7488 typos. Follow spelling conventions.
7490 2006-04-07 DJ Delorie <dj@redhat.com>
7492 * config/m32c/m32c.c (m32c_function_arg): Structures are always
7493 passed on the stack.
7494 (m32c_init_cumulative_args): When a function returns a structure,
7495 always pass the pointer to that return area on the stack.
7496 (m32c_function_arg_advance): Don't increment the parameter number
7497 if we're processing the returned structure pointer.
7498 (pushm_info): Reverse order of registers.
7500 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
7502 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
7503 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7504 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
7505 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
7507 * tree-chrec.c (chrec_fold_multiply_poly_poly,
7508 chrec_fold_multiply): Same.
7509 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
7510 force_expr_to_var_cost): Same.
7511 * tree-mudflap.c (mf_xform_derefs_1): Same.
7512 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
7514 2006-04-07 David Edelsohn <edelsohn@gnu.org>
7516 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
7517 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
7520 2006-04-07 Jan Hubicka <jh@suse.cz>
7522 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
7524 2006-04-07 Richard Guenther <rguenther@suse.de>
7526 PR tree-optimization/26135
7527 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
7528 loads for store copy-prop.
7529 (copy_prop_visit_stmt): Likewise.
7531 2006-04-05 Robert Millan <robertmh@gnu.org>
7533 * config/i386/linux.h: Add a comment to mark macros that are
7534 being overriden in config/k*bsd-gnu.h.
7535 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
7537 * config/knetbsd-gnu.h: Ditto.
7539 2006-04-06 Jan Hubicka <jh@suse.cz>
7543 * coverage.c (coverage_checksum_string): Reorganize loop to not read
7546 2006-04-06 Mike Stump <mrs@apple.com>
7548 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
7549 for HAVE_nonlocal_goto to be consistent.
7550 (expand_builtin_nonlocal_goto): Likewise.
7551 (expand_builtin_strcmp): Use #ifdef instead of #if
7552 for HAVE_cmpstrnsi to be consistent.
7554 2006-04-05 DJ Delorie <dj@redhat.com>
7556 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
7559 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
7561 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
7562 got-relative addressing for anything but SImode.
7564 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
7565 even if the calling function doesn't modify them.
7567 2006-04-05 Richard Guenther <rguenther@suse.de>
7569 PR tree-optimization/26919
7570 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
7571 to cgraph_estimate_size_after_inlining.
7573 2006-04-05 Alan Modra <amodra@bigpond.net.au>
7575 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
7577 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
7579 PR tree-optimization/26996
7580 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
7581 VECTOR_TYPE variables.
7583 2006-04-05 Richard Guenther <rguenther@suse.de>
7585 PR tree-optimization/26763
7586 * fold-const.c (fold_comparison): Move folding of
7587 PTR + CST CMP PTR + CST ...
7588 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
7590 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
7592 * doc/install.texi (Prerequisites): Refine some wording on
7593 bootstrapping and ksh.
7594 Move the version numbers of DejaGnu here from the testing section
7595 and fix casing of names.
7596 Fix markup and clarify wording for autogen requirements.
7597 Refer to GCJ instead of just java.
7598 Refer to SVN instead of CVS.
7599 Describe diffutils as useful instead of necessary.
7600 (Downloading the source): Refer to SVN instead of CVS.
7601 Adjust a link to our web site accordingly.
7602 (Configuration): Fix casing of Bison.
7603 (Building): Refer to SVN instead of CVS.
7604 Fix a sentence on the use of Bison and remove duplicate (and
7605 incorrect) version number of Bison requirement.
7606 Remove one redundant list of packages needed for building.
7607 (Specific): Avoid reference to CVS.
7609 2006-04-04 Eric Christopher <echristo@apple.com>
7611 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
7612 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
7613 (rs6000_handle_struct_attribute): New.
7614 (rs6000_ms_bitfield_layout_p): Ditto.
7616 2006-04-04 Geoffrey Keating <geoffk@apple.com>
7618 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
7619 NULL for dso parameter to atexit_common.
7621 2006-04-04 Eric Christopher <echristo@apple.com>
7623 * config/i386/i386.c (machopic_output_stub): Output \t
7624 between instructions and operands.
7626 2006-04-04 David Edelsohn <edelsohn@gnu.org>
7628 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
7629 satisfies_constraint_[IL] to explicit tests on value.
7631 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
7633 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7634 set_nb_iterations_in_loop): Use build_int_cst instead of
7636 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
7637 build_int_cst instead of convert.
7639 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
7641 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
7642 new value 2 for incoming.
7643 * function.c (expand_function_start): Call struct_value_rtx
7645 * config/sparc/sparc.md: Comment updated_return.
7646 * config/sparc/sparc.opt: Add -mstd-struct-return option.
7647 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
7648 struct return if sparc_std_struct_return and incoming is 2.
7649 (print_operand): Do not adjust return if
7650 sparc_std_struct_return.
7652 2006-04-04 Roger Sayle <roger@eyesopen.com>
7654 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
7655 convert in the middle-end.
7656 * expr.c (store_expr, store_constructor, get_inner_reference,
7657 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
7659 * tree.c (build_range_type): Likewise.
7661 2006-04-04 Tom Tromey <tromey@redhat.com>
7663 * doc/install.texi (Prerequisites): Mention jar.
7665 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
7667 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
7670 2006-04-04 Matthias Klose <doko@debian.org>
7672 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
7676 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
7679 2006-04-03 Geoffrey Keating <geoffk@apple.com>
7681 * doc/extend.texi (Function Attributes): Rewrite visibility
7682 attribute documentation.
7683 * doc/invoke.texi (C++ Dialect Options): Rewrite
7684 -fvisibility-inlines-hidden documentation to describe something
7685 entirely different, although in practise compatible.
7686 (Code Gen Options): Warn about system headers in -fvisibility=
7689 * doc/extend.texi (Other Builtins): Document that
7690 __builtin_nan is a compile-time constant only when its argument
7693 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
7695 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
7696 trying to remove TRUNCATE check if all bits outside the new mode
7697 are identical to the sign bit.
7699 2006-04-03 Jeff Law <law@redhat.com>
7701 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
7702 and operand scanning in some common cases.
7704 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7705 Dale Johannesen <dalej@apple.com>
7708 * regclass.c (struct reg_pref): Update documentation.
7709 (regclass): Set prefclass to NO_REGS if memory is the best option.
7710 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7711 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
7712 into account. For non-registers, equate an empty preferred
7713 reload class to a `!' in the constraint; move the if clause to
7714 do so after those that reject the insn.
7715 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
7717 (find_dummy_reload): Likewise.
7718 * doc/tm.texi (Register Classes): Document what it means
7719 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
7720 * config/i386/i386.c (ix86_preferred_reload_class): Force
7721 using SSE registers (and return NO_REGS for floating-point
7722 constants) if math is done with SSE.
7723 (ix86_preferred_output_reload_class): New.
7724 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
7725 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
7726 * config/i386/i386.md: Remove # register preferences.
7728 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7731 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7732 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
7733 the type of nb_iter.
7734 (instantiate_parameters_1): Convert the operands before calling
7735 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
7736 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
7738 2006-04-02 Roger Sayle <roger@eyesopen.com>
7740 * builtins.c (dummy_object): Use build_int_cst instead of convert.
7741 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
7743 * dojump.c (do_jump): Likewise.
7744 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
7745 * gimplify.c (gimple_boolify, gimplify_init_constructor,
7746 gimplify_boolean_expr): Likewise.
7747 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
7748 * varasm.c (array_size_for_constructor): Likewise.
7749 * tree-object-size.c (compute_object_offset): Likewise.
7751 2006-04-02 Roger Sayle <roger@eyesopen.com>
7754 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
7755 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
7757 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7759 PR tree-optimization/26939
7760 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
7762 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7764 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
7765 at_stmt. Convert the type of operands before calling
7766 build_polynomial_chrec.
7767 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
7769 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
7770 (instantiate_parameters_1): Convert the type of operands before calling
7771 build_polynomial_chrec.
7772 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
7773 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
7774 reset_evolution_in_loop): Insert asserts to check the types of the
7776 (chrec_type): Moved...
7777 (eq_evolutions_p): Use operand_equal_p.
7778 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
7779 the types of the operands.
7780 (chrec_type): ...here.
7781 * tree-data-ref.c (create_data_ref): Convert the operands before
7782 calling chrec_replace_initial_condition.
7783 (same_access_functions, analyze_subscript_affine_affine,
7784 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
7785 (compute_subscript_distance, analyze_ziv_subscript,
7786 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
7787 analyze_miv_subscript): Convert the operands before calling
7788 chrec_fold_minus or chrec_fold_plus.
7790 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7792 * tree-data-ref.c (compute_all_dependences): Use a pointer to
7793 the dependence_relations vector.
7794 (compute_data_dependences_for_loop): Adjust call to
7795 compute_all_dependences.
7797 2006-04-01 Roger Sayle <roger@eyesopen.com>
7798 Richard Henderson <rth@redhat.com>
7800 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
7801 gimple_boolify on the condition before calling gimplify_expr.
7803 2006-03-31 Bob Wilson <bob.wilson@acm.org>
7805 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
7806 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
7807 the frame size. Update to use the new macros.
7808 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
7809 * config/xtensa/ieee754-df.S: Likewise.
7811 2006-03-31 Richard Henderson <rth@redhat.com>
7813 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
7814 (make_edges): ... here. Control fallthru creation with a local
7815 variable. Do not play with fake edges.
7816 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
7817 (make_goto_expr_edges): Don't play with fake edges. Make for_call
7820 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
7822 * dwarf2.h (DW64_CIE_ID): Define.
7823 * dwarf2out.c (DWARF_CIE_ID): Define.
7824 (output_call_frame_info): Output 0xffffffff before standard 8-byte
7825 length header. Use DWARF_CIE_ID.
7826 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
7827 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
7829 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
7831 * config/sh/linux-atomic.asm: New file.
7832 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
7834 2006-03-31 DJ Delorie <dj@redhat.com>
7836 * config/m32c/cond.md: Set condition flags properly throughout.
7837 * config/m32c/minmax.md: Likewise.
7838 * config/m32c/prologue.md: Likewise.
7839 * config/m32c/bitops.md: Likewise.
7840 * config/m32c/muldiv.md: Likewise.
7841 * config/m32c/mov.md: Likewise.
7842 * config/m32c/addsub.md: Likewise.
7843 * config/m32c/m32c.md: Likewise.
7844 * config/m32c/jump.md: Likewise.
7845 * config/m32c/shift.md: Likewise.
7847 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
7848 conditionally output the pattern for this.
7849 * config/m32c/m32c.c (flags_needed_for_conditional): New.
7850 (m32c_compare_redundant): New.
7851 (m32c_output_compare): New.
7852 * config/m32c/m32c-protos.h (m32c_output_compare): New.
7854 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
7855 dest, not src. Allow other 4-byte modes.
7857 2006-03-30 Denis Chertykov <denisc@overta.ru>
7859 * doc/md.texi: Refer to avr/constraints.md instead of
7862 2006-03-30 Roger Sayle <roger@eyesopen.com>
7864 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
7865 signed vs. unsigned comparison failures on some hosts.
7867 2006-03-31 Alan Modra <amodra@bigpond.net.au>
7870 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
7871 change to FLOAT_REGS.
7873 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
7874 (rs6000_override_options): Use it.
7875 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
7876 only for -mabi=spe/no-spe and -mabi=altivec.
7878 2006-03-30 Geoffrey Keating <geoffk@apple.com>
7880 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
7883 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
7885 * Makefile.in: Rename docdir to gcc_docdir.
7887 2006-03-30 Roger Sayle <roger@eyesopen.com>
7890 * expr.c (emit_group_store): Optimize group stores into a pseudo
7891 register by using a paradoxical subreg to initialize the destination
7892 if the first or last member of the group specifies a "low part".
7894 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7897 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
7898 * target.h (struct gcc_target.speculate_insn): Change type of the
7899 second parameter to 'int'.
7900 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
7901 the second operand of the DEPS_LIST.
7902 (copy_DEPS_LIST_list): Update reference to the second operand of the
7904 * rtl.h (alloc_DEPS_LIST): Update signature.
7905 * sched-int.h (ds_t): Change typedef to 'int'.
7906 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7908 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7910 * haifa-sched.c (try_ready): Change condition to restore
7911 non-speculative pattern of the instruction.
7912 (process_insn_depend_be_in_spec): Code to keep probability of the
7913 speculative dependence non-decreasing.
7915 2006-03-30 Jie Zhang <jie.zhang@analog.com>
7917 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
7918 (single_move_for_movmem): ... this. Also change all uses.
7919 (bfin_expand_strmov): Renamed to...
7920 (bfin_expand_movmem): ... this. Also change all uses.
7921 * config/bfin/bfin.md (movstrsi): Renamed to...
7922 (movstrsi): ...this.
7924 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
7926 PR tree-optimization/26830
7928 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
7929 (copy_prop_visit_stmt): Remove write-only variable ann.
7930 (init_copy_prop): Check variable loop depth here. Do not simulate
7931 memory-tag and virtual operand PHIs except for store copy prop.
7933 2006-03-30 Richard Guenther <rguenther@suse.de>
7935 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
7936 variants with double arguments.
7938 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7940 * genpreds.c (write_tm_constrs_h): Delete variable p.
7941 * genconditions.c (write_header): Add tm-constrs.h to included
7943 * genpeep.c (main): Add toplev.h to included headers.
7944 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
7945 (build/genpeep.o): Add toplev.h dependency.
7946 * config/rs6000/constraints.md: Add "W" constraint.
7948 2006-03-29 Roger Sayle <roger@eyesopen.com>
7950 * stor-layout.c (mode_for_size_tree): Remove restiction on type
7951 sizes by correctly testing whether the size fits a host integer.
7952 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
7953 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
7954 SImode range for the default sizetype and bitsizetype.
7956 2006-03-29 Roger Sayle <roger@eyesopen.com>
7958 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
7959 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
7960 quickly if the argument is already of the correct type.
7961 Call fold_build1 instead of build1. Tidy up blank lines.
7963 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7965 * genemit.c (main): Add tm-constrs.h to included headers.
7966 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
7967 * genpeep.c (main): Add tm-constrs.h to included headers.
7968 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
7969 (write_tm_constrs_h): this and write complete file.
7970 (write_tm_preds_h): Do not emit satisfies_constraint fns.
7971 (write_insn_preds_c): Add tm-constrs.h to included headers.
7972 (gen_constrs): New variable.
7973 (parse_option): Parse "-c".
7974 (main): Invoke write_tm_constrs_h.
7975 * genrecog.c (write_header): Add tm-constrs.h to included headers.
7976 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
7977 (object_out_file): Add tm-constrs.h dependency.
7978 (insn-emit.o): Same.
7979 (insn-output.o): Same.
7980 (insn-peep.o): Same.
7981 (insn-preds.o): Same.
7982 (insn-recog.o): Same.
7983 (tm-constsr.h): New target.
7984 (s-constrs-h): New target.
7986 * config/rs6000/constraints.md: New file.
7987 * config/rs6000/rs6000.c: Include tm-constrs.h.
7988 (num_insn_constant_wide): Convert to satisfies_constraint.
7989 (rs6000_rtx_costs): Convert to satisfies_constraint.
7990 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
7991 (CONST_OK_FOR_LETTER_P): Delete.
7992 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7993 (EXTRA_CONSTRAINT): Delete.
7994 (EXTRA_MEMORY_CONSTRAINT): Delete.
7995 (EXTRA_ADDRESS_CONSTRAINT): Delete.
7996 * config/rs6000/predicates.md: Convert to satisfies_constraint.
7997 * config/rs6000/rs6000.md: Include constraints.md. Convert to
7998 satisfies_constraint.
8000 * config/i386/i386.c: Include tm-constrs.h.
8002 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8004 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8005 * tree-data-ref.c (find_data_references_in_loop,
8006 compute_data_dependences_for_loop): Use pointers to VEC.
8007 (analyze_all_data_dependences): Adjust calls.
8008 * tree-data-ref.h (find_data_references_in_loop,
8009 compute_data_dependences_for_loop): Adjust declarations.
8010 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8011 compute_data_dependences_for_loop.
8013 2006-03-29 Paul Brook <paul@codesourcery.com>
8015 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8018 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8020 PR tree-optimization/26859
8021 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8023 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8024 for the step after fold_convert.
8026 2006-03-29 Paul Brook <paul@codesourcery.com>
8028 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8029 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8031 2006-03-29 Paul Brook <paul@codesourcery.com>
8034 * targhooks.c (default_narrow_bitfield): New fuction.
8035 * targhooks.h (default_narrow_bitfield): add prototype.
8036 * target.h (gcc_target): Add narrow_volatile_bitfield.
8037 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8038 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8039 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8040 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8042 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8044 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8046 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8047 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8048 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8049 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8050 (s390_function_arg_float): Allow SDmode and DDmode values to be
8051 passed in floating point registers.
8052 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8053 check with SCALAR_FLOAT_MODE_P.
8054 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8056 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8058 PR tree-optimization/25985
8059 * tree-ssa-loop-niter.c (number_of_iterations_le,
8060 number_of_iterations_ne): Make comments more precise.
8061 (number_of_iterations_cond): Add only_exit argument. Use the
8062 fact that signed variables do not overflow only when only_exit
8064 (loop_only_exit_p): New.
8065 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8066 number_of_iterations_cond.
8068 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8070 PR tree-optimization/26643
8071 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8074 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8076 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8077 (divsi3_i4_int): Likewise.
8079 2006-03-28 Roger Sayle <roger@eyesopen.com>
8081 * expr.c (emit_group_store): Only create a new pseudo reg if the
8082 quantity it needs to hold isn't already a suitable pseudo.
8084 2006-03-28 Jeff Law <law@redhat.com>
8086 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8087 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8089 2006-03-28 Roger Sayle <roger@eyesopen.com>
8091 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8092 the equivalent ~X & Y, and the symmetry related transformations.
8093 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8094 ~X & Y, and symmetry related transforms.
8096 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8098 Revert my 2006-03-27 patches.
8100 2006-03-28 Roger Sayle <roger@eyesopen.com>
8102 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8103 ~(T1)X, when T1 and T2 are integer types of the same precision
8104 and (T2)X isn't an extension.
8106 2006-03-28 Jeff Law <law@redhat.com>
8108 PR tree-optimization/26796
8109 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8110 need EH edge cleanups rather than purging them immediately.
8111 (eliminate_degenerate_phis): Handle queued EH cleanups.
8113 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8115 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8118 2006-03-27 Roger Sayle <roger@eyesopen.com>
8121 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8122 cast BIT_NOT_EXPR operand to the correct type.
8124 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8126 * tree-loop-linear.c: Don't include varray.h.
8127 (gather_interchange_stats, try_interchange_loops,
8128 linear_transform_loops): Use VEC instead of VARRAY.
8129 * lambda-mat.c: Don't include varray.h.
8130 * tree-chrec.c: Same.
8131 * lambda-trans.c: Same.
8132 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8133 VEC instead of VARRAY.
8134 * tree-vectorizer.h: Idem.
8135 * tree-data-ref.c (dump_data_references,
8136 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8137 initialize_data_dependence_relation, finalize_ddr_dependent,
8138 compute_all_dependences, find_data_references_in_loop,
8139 compute_data_dependences_for_loop, analyze_all_data_dependences,
8140 free_dependence_relation, free_dependence_relations,
8141 free_data_refs): Idem.
8142 * tree-data-ref.h (data_reference_p, subscript_p): New.
8143 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8144 VEC instead of VARRAY.
8145 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8146 (find_data_references_in_loop, compute_data_dependences_for_loop,
8147 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8148 dump_data_dependence_relations, free_dependence_relations,
8149 free_data_refs): Adjust declaration.
8150 (lambda_transform_legal_p): Move declaration here...
8151 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8152 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8153 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8154 vect_analyze_data_refs): Use VEC instead of VARRAY.
8155 * lambda.h (lambda_transform_legal_p): ...from here.
8156 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8157 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8158 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8159 tree-chrec.o): Don't depend on VARRAY_H.
8161 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8163 * rtl.def (Copyright): Update date.
8164 (DEPS_LIST): Change type of the second operand to 'int'.
8165 * target.h (Copyright): Update date.
8166 (struct gcc_target.speculate_insn): Change type of the second parameter
8168 * lists.c (Copyright): Update date.
8169 (alloc_DEPS_LIST): Change signature. Update reference to the second
8170 operand of the DEPS_LIST.
8171 (copy_DEPS_LIST_list): Update reference to the second operand of the
8173 * rtl.h (Copyright): Update date.
8174 (alloc_DEPS_LIST): Update signature.
8175 * sched-int.h (Copyright): Update date.
8176 (ds_t): Change typedef to 'int'.
8177 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8179 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8181 * haifa-sched.c (Copyright): Update date.
8182 (try_ready): Change condition to restore non-speculative pattern
8184 (process_insn_depend_be_in_spec): Code to keep probability of the
8185 speculative dependence non-decreasing.
8187 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8189 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8190 shut up the compiler.
8192 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8194 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8195 to use lib prefix for target.
8196 ($(T)libic_invalidate_array_4-200.a): Likewise.
8197 ($(T)libic_invalidate_array_4a.a): Likewise.
8199 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8200 J"orn Rennecke <joern.rennecke@st.com>
8202 * superh.opt: New file.
8203 * sh.c (boardtype, osruntime): Remove.
8204 * superh.h (SUBTARGET_OPTIONS): Remove.
8205 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8207 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8208 arguments with ^ and/or [].
8210 * config.gcc (sh-*-*): Add quoting to account for quirk of
8212 Replace == with = in enable_incomplete_targets test.
8214 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8215 with MASK_LITTLE_ENDIAN.
8217 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8218 * config/sh/sh.opt: Added to some comments.
8219 * config/sh/superh.h: Removed some chaff.
8221 * config/sh/sh.opt: Add m4-[1234]00* options.
8222 * config/sh/sh.c (sh_handle_option): Likewise.
8223 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8224 (ic_invalidate_array_4-100.o): New rule.
8225 ($(T)libic_invalidate_array_4-100.a): Likewise.
8226 (ic_invalidate_array_4-200.o): Likewise.
8227 ($(T)libic_invalidate_array_4-200.a): Likewise.
8228 (ic_invalidate_array_4a.o): Likewise.
8229 ($(T)libic_invalidate_array_4a.a): Likewise.
8230 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8231 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8233 * config/sh/crt1.asm: Merged in profiling code.
8234 * config/sh/superh.h (STARTFILE_SPEC): Override.
8235 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8236 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8237 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8239 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8240 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8241 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8243 * sh.opt (mpretend-cmove): New option.
8244 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8245 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8246 (movsicc): Add TARGET_PRETEND_CMOVE code.
8248 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8250 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8251 s390_class_max_nregs): New function prototypes.
8252 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8253 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8254 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8255 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8257 2006-03-26 Geoffrey Keating <geoffk@apple.com>
8259 * dwarf2out.c (add_location_or_const_value_attribute): Call
8260 tree_add_const_value_attribute if nothing else works.
8261 (reference_to_unused): New.
8262 (rtl_for_decl_init): Use reference_to_unused to decide whether
8263 to output an initializer.
8265 2006-03-27 Alan Modra <amodra@bigpond.net.au>
8268 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
8269 peephole removing spe frob_di_df_2.
8271 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
8273 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
8274 (subscript_dependence_tester_1): Declared.
8275 (print_dir_vectors, print_dist_vectors): New.
8276 (debug_data_dependence_relation): New.
8277 (dump_data_dependence_relation): Print more details.
8278 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
8279 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
8280 (save_dist_v, save_dir_v, add_outer_distances,
8281 build_classic_dist_vector_1): New.
8282 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
8283 Don't test for lambda_vector_lexico_pos.
8284 (same_access_functions, add_multivariate_self_dist,
8285 add_other_self_distances, dir_from_dist): New.
8286 (build_classic_dir_vector): Replace implementation almost identical to
8287 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8289 (subscript_dependence_tester_1): New.
8290 (subscript_dependence_tester): Handle the lexicographically negative
8291 distance vectors by recomputing the dependence relation.
8292 (compute_affine_dependence): Remove parameter loop_nest_depth.
8293 (compute_self_dependence): Don't call compute_subscript_distance.
8294 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8295 Add a parameter for the loop_nest.
8296 (find_loop_nest_1, find_loop_nest): New.
8297 (compute_data_dependences_for_loop): Compute the loop nest, and give
8298 up if the nest is not well formed.
8299 * tree-data-ref.h (loop_p): New.
8300 (struct data_dependence_relation): Replace size_vect field with
8301 loop_nest, a vec of loops.
8302 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8303 (DDR_LOOP_NEST): New.
8304 (print_dir_vectors, print_dist_vectors,
8305 debug_data_dependence_relation): Declared.
8306 (index_in_loop_nest): New.
8307 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8308 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8311 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8313 * simplify-rtx.c (simplify_relational_operation): Call
8314 simplify_relational_operation_1 even if mode is VOIDmode.
8316 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8318 PR tree-optimization/26804
8319 * tree.h (DECL_CALL_CLOBBERED): New macro.
8320 (tree_decl_common): Add call_clobbered_flag.
8321 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8322 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8323 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8324 (mark_non_addressable): Ditto.
8325 * tree-ssa.c (verify_call_clobbered): New function.
8326 (verify_alias_info): Use it.
8327 * tree-pass.h (pass_reset_cc_flags): New prototype.
8328 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8329 (reset_cc_flags): New function.
8330 * passes.c (init_optimization_passes): Call reset_cc_flags after
8331 initializing referenced_vars.
8333 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8334 Roger Sayle <roger@eyesopen.com>
8337 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8338 to 1.0 for non-real operands. Implement A / A optimization for
8341 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
8343 * config/i386/i386.c (size_cost): Correct the comment for
8344 cost of storing fp registers.
8345 (i386_cost): Likewise.
8346 (i486_cost): Likewise.
8347 (pentium_cost): Likewise.
8348 (pentiumpro_cost): Likewise.
8349 (k6_cost): Likewise.
8350 (athlon_cost): Likewise.
8351 (k8_cost): Likewise.
8352 (pentium4_cost): Likewise.
8353 (nocona_cost): Likewise.
8354 (generic64_cost): Likewise.
8355 (generic32_cost): Likewise.
8357 2006-03-24 Denis Chertykov <denisc@overta.ru>
8359 * config/avr/avr-protos.h (extra_constraint): Delete.
8360 (extra_constraint_Q): New declaration.
8361 * config/avr/constraints.md: New file.
8362 * config/avr/avr.md: Include it.
8363 (REG_X, REG_Y, REG_Z, REG_W): New constants.
8364 (TMP_REGNO, ZERO_REGNO): Likewise.
8365 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
8366 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
8367 (extra_constraint): Delete.
8368 (extra_constraint_Q): Test for memory constraint 'Q'.
8369 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
8370 (REG_CLASS_FROM_LETTER): Delete.
8371 (CONST_OK_FOR_LETTER_P): Delete.
8372 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8373 (EXTRA_CONSTRAINT): Delete.
8374 (TMP_REGNO): Delete.
8375 (ZERO_REGNO): Delete.
8377 2006-03-24 Jeff Law <law@redhat.com>
8379 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
8380 directly. Call mark_new_vars_to_rename slightly earlier.
8382 2006-03-24 Geoffrey Keating <geoffk@apple.com>
8384 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
8386 (gen_compile_unit_die): Use new language types for Objective-C and
8388 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
8389 DW_LANG_C_plus_plus.
8392 * config/t-darwin (crt3.o): Work around bug 26840.
8393 * config/darwin-crt3.c: Rewrite.
8394 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
8396 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
8398 * doc/invoke.texi: Document -femit-class-debug-always
8399 * common.opt: Add -femit-class-debug-always.
8401 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
8403 * config/s390/s390.c (s390_decompose_address): Allow SImode for
8404 index and base register.
8405 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
8406 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
8407 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
8408 REGNO_OK_FOR_INDEX_P.
8409 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
8411 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
8412 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
8413 REG_OK_FOR_BASE_P): Definitions removed.
8415 2006-03-24 Jakub Jelinek <jakub@redhat.com>
8418 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
8419 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
8420 set yet or weren't marked as local yet.
8422 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
8424 * regrename.c (scan_rtx_address): Initialize a variable to shut up
8427 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
8429 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
8430 (rs6000_legitimate_small_data_p): Delete.
8431 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
8432 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
8433 and make static. Add forward declaration. Update uses.
8434 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
8435 of offsettable_memref_p.
8436 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
8437 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
8439 2006-03-24 Jeff Law <law@redhat.com>
8441 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
8442 around bug in immediate-use iterator.
8444 2006-03-24 Alan Modra <amodra@bigpond.net.au>
8447 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
8448 or __LITTLE_ENDIAN__.
8450 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
8452 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
8453 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
8454 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
8455 * config/sh/sh.opt (mdiv=): Amend description.
8456 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
8457 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
8458 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
8459 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
8460 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
8461 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
8462 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
8463 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
8464 TARGET_DIVIDE_CALL_FP.
8466 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8468 * haifa-sched.c (choose_ready): Fix type of the local variable.
8469 Move local variables. Add comment.
8470 (check_reg_live): Change signature. Make callable from debugger.
8471 * sched-int.h (check_reg_live): Update signature.
8472 * sched-ebb.c (check_reg_live): Update parameters.
8473 * sched-rgn.c (check_reg_live): Ditto.
8474 (region_head_or_leaf_p): Check pointer before dereferencing.
8475 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
8476 before reload on optimization levels below 1.
8478 2006-03-23 Richard Henderson <rth@redhat.com>
8480 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
8484 * config/alpha/predicates.md (local_symbolic_operand): Reject
8487 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
8490 * tree-ssa-pre.c (create_value_expr_from): Don't reject
8491 expressions which have overflowed constants.
8493 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8495 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
8497 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8499 * cfgloopmanip.c (create_loop_notes): Removed.
8500 * final.c (final_scan_insn): Do not handle loop notes.
8501 * jump.c (squeeze_notes): Ditto.
8502 * cfglayout.c (skip_insns_after_block,
8503 duplicate_insn_chain): Ditto.
8504 * cfgcleanup.c (rest_of_handle_jump2): Do not call
8506 * cfgloop.h (create_loop_notes): Declaration removed.
8508 2006-03-23 Richard Sandiford <richard@codesourcery.com>
8510 * varasm.c (output_constant_pool): Restore fnname and fndecl
8512 (assemble_start_function): Adjust call accordingly.
8513 (assemble_end_function): Likewise.
8515 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8518 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
8521 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
8523 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8526 * system.h (ICE_EXIT_CODE): New macro.
8527 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
8528 (diagnostic_action_after_output): Likewise.
8529 * gcc.c (fatal_ice): New function.
8530 (execute): Use it instead of fatal.
8531 (fancy_abort): Likewise.
8532 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
8534 2006-03-22 Jeff Law <law@redhat.com>
8536 * loop-unroll.c (analyze_iv_to_split_insn): Handle
8537 iv_analyze_result returning false.
8539 2006-03-22 Jie Zhang <jie.zhang@analog.com>
8541 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
8543 2006-03-22 Richard Henderson <rth@redhat.com>
8546 * except.c (duplicate_eh_regions_0): New.
8547 (duplicate_eh_region_1): Duplicate the children of the node as
8548 well as the node itself. Link them up properly.
8549 (duplicate_eh_region_2): Merge into ...
8550 (duplicate_eh_regions): ... here. Take copy_region argument, and
8551 copy only a sub-tree if asked. Simplify copying and fixup.
8552 (eh_region_outer_p): New.
8553 * except.h (duplicate_eh_regions): Update decl.
8554 (eh_region_outer_p): Declare.
8555 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
8556 (lower_omp_master): Likewise.
8557 (lower_omp_ordered): Likewise.
8558 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
8559 (move_stmt_r): Use it to remap labels. Handle recursion vs
8560 remap_decls_p properly.
8561 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
8562 (find_outermost_region_in_block): New.
8563 (new_label_mapper): New.
8564 (move_sese_region_to_fn): Copy eh information to the new function
8566 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
8568 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
8571 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8573 * doc/md.texi (-mshared): Mention that -mshared code can be linked
8574 into shared libraries.
8576 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8578 * doc/md.texi: Refer to i386/constraints.md instead of
8580 * config/i386/constraints.md: New file, extracted from...
8581 * config/i386/predicates.md: ...here.
8582 * config/i386/i386.md: Include constraints.md.
8584 2006-03-21 Jason Merrill <jason@redhat.com>
8586 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
8589 * expr.c (init_block_move_fn): Force default visibility.
8590 (init_block_clear_fn): Likewise.
8591 * builtins.c (expand_builtin_fork_or_exec): Likewise.
8592 * targhooks.c (default_external_stack_protect_fail): Likewise.
8594 2006-03-21 Richard Sandiford <richard@codesourcery.com>
8596 * config/mips/predicates.md (const_call_insn_operand): Allow direct
8597 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
8598 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
8599 Use TARGET_OLDABI instead of !TARGET_NEWABI.
8600 (loadgp): Use mips_current_loadgp_style.
8601 (loadgp_noshared): New pattern.
8602 (sibcall_internal): Use MIPS_CALL.
8603 (sibcall_value_internal): Likewise.
8604 (sibcall_value_multiple_internal): Likewise.
8605 (call_internal): Likewise.
8606 (call_value_internal): Likewise.
8607 (call_value_multiple_internal): Likewise.
8608 (call_split): Use MIPS_CALL and add an 'S' constraint.
8609 (call_value_split): Likewise.
8610 (call_value_multiple_split): Likewise.
8611 * config/mips/mips.opt (-mabicalls): Tweak docstring.
8612 (-mshared): New option.
8613 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
8614 (mips_current_loadgp_style): Declare.
8615 * config/mips/mips.c (mips_classify_symbol): Avoid using
8616 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
8617 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
8618 TARGET_ABSOLUTE_ABICALLS.
8619 (override_options): Adjust comments. Improve the warning that is
8620 issued when -mabicalls and -G are used together.
8621 (mips_file_start): Remove comment.
8622 (mips_current_loadgp_style): New function.
8623 (mips_gnu_local_gp): New variable.
8624 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
8626 (mips_output_function_prologue): Use mips_current_laodgp_style.
8627 (mips_expand_prologue): Call mips_emit_loadgp before emitting
8628 the cprestore instruction.
8629 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
8630 live for TARGET_ABSOLUTE_ABICALLS.
8631 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
8632 (ASM_SPEC): Pass down -mshared and -mno-shared.
8633 (MIPS_CALL): New macro.
8634 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
8636 * doc/invoke.texi (-mabicalls): Update documentation.
8637 (-mshared): Document.
8639 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8641 * config/ia64/unwind-hpux.c: New file.
8642 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
8644 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8647 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
8649 2006-03-21 Jeff Law <law@redhat.com>
8651 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
8652 type conversions of a VR_VARYING source to a wider type.
8654 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
8656 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
8657 tm_file on Solaris 10 and later.
8658 (sparc64-*-solaris2*): Likewise.
8659 (sparc-*-solaris2*): Likewise.
8660 * config/sol26.h: Rename to config/sol2-6.h.
8661 * config/sol2-10.h: New file.
8663 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
8666 * tree-ssa-pre.c (create_component_ref_by_pieces):
8669 2006-03-21 Jakub Jelinek <jakub@redhat.com>
8672 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
8673 return it immediately.
8675 2006-03-21 Michael Matz <matz@suse.de>
8677 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
8679 (remove_arc, add_arc): Update num_out_arcs member.
8680 (set_out_arc_insns_equiv_num): Returns nothing instead of number
8682 (cache_presence): New function.
8683 (compare_states_for_equiv): New function.
8684 (state_is_differed): Don't take number of outargs, adjust callers.
8685 Use new invariant for speeding up.
8686 (init_equiv_class): Create initial classes based on sorted
8688 (partition_equiv_class): Don't track out_arcs_num.
8689 (evaluate_equiv_classes): Call cache_presence on all states and
8692 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
8694 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
8695 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
8696 (bfin_valid_reg_p): Test for pseudos explicitly and use only
8697 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
8699 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
8700 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
8701 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
8702 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
8703 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
8705 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
8706 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
8707 (REGNO_REG_CLASS): ARGP is in PREGS.
8708 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
8710 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
8711 to deal with those addresses.
8712 * addresses.h: New file.
8713 * caller-save.c: Include "addresses.h".
8714 (init_caller_save): Use new base_reg_class function.
8715 * rtl-factoring.c: Include "addresses.h".
8716 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
8717 * recog.c: Include "addresses.h".
8718 (preprocess_constraints): Use new base_reg_class function.
8719 * regrename.c: Include "addresses.h".
8720 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
8721 functions. Keep track of a new var INDEX_CODE to compute valid
8723 (replace_oldest_value_addr): Likewise.
8724 (replace_oldest_value_mem): Use base_reg_class.
8725 * reload.c: Include "addresses.h".
8726 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
8727 (find_reloads): Use new base_reg_class function.
8728 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
8729 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
8730 all callers and prototype changed.
8731 * reload1.c: Include "addresses.h".
8732 (maybe_fix_stack_asms): Use base_reg_class.
8733 * regclass.c: Include "addresses.h".
8734 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
8735 (init_reg_autoinc): Use new base_reg_class function.
8736 (record_reg_classes): Likewise.
8737 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
8738 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
8739 Use new args to compute necessary class.
8741 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
8742 regrename.o, rtl-factoring.o): Update dependencies.
8743 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
8744 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
8745 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
8746 REG_OK_FOR_INDEX_P): Delete documentation.
8748 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
8750 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
8751 from V7 to V9 for Solaris 7 and above.
8753 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
8755 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
8756 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
8757 argument pointers may not alias any other storage.
8758 * common.opt: Define option -fargument-noalias-anything.
8759 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
8760 alias semantics is specified by flag_argument_noalias > 2.
8762 2006-03-20 Jeff Law <law@redhat.com>
8764 * tree-pass.h (pass_phi_only_copy_prop): Delete.
8765 (pass_phi_only_cprop): Declare.
8766 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
8768 * tree-ssa-dom.c (degenerate_phi_result): New function.
8769 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
8770 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
8771 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
8772 (eliminate_degenerate_phis): Likewise.
8773 (pass_phi_only_cprop): New pass descriptor.
8774 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
8775 support code. Callers updated.
8776 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
8777 (store_copy_prop): Likewise.
8778 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
8780 2006-03-20 Jason Merrill <jason@redhat.com>
8783 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
8784 (push_visibility, pop_visibility): Likewise.
8785 * c-pragma.h: Declare them.
8787 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
8789 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
8791 * config/sh/sh.c (find_regmode_weight): Change the type of the first
8792 parameter and use get_ebb_head_tail.
8793 (sh_md_init_global): Adjust uses of find_regmode_weight.
8795 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
8797 * function.h (struct function) <x_tail_recursion_reentry>:
8798 Rename to x_stack_check_probe_note.
8799 (tail_recursion_reentry): Rename to stack_check_probe_note.
8800 * function.c: Replace tail_recursion_reentry with
8801 stack_check_probe_note everywhere.
8802 (expand_function_start): Only emit a note for
8803 stack_check_probe_note with -fstack-protect.
8804 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
8806 * emit-rtl.c (remove_unnecessary_notes): Remove.
8807 (pass_remove_unnecessary_notes): Remove.
8808 * rtl.h (remove_unnecessary_notes): Remove prototype.
8809 * final.c (final_start_function): Don't call remove_unnecessary_notes.
8810 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
8811 * passes.c (pass_remove_unnecessary_notes): Don't run it.
8813 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
8816 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
8817 (valid_in_set): Handle ARRAY_REF.
8818 Change "if min_variant or VH" to asserts.
8819 (create_component_ref_by_pieces): Handle ARRAY_REF.
8820 (create_expression_by_pieces): Likewise.
8821 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
8823 2006-03-20 David Edelsohn <edelsohn@gnu.org>
8825 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
8826 is operand of switch, not str[0].
8828 2006-03-20 Alan Modra <amodra@bigpond.net.au>
8830 * config/rs6000/rs6000.c (rs6000_handle_option): Use
8831 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
8833 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8835 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
8836 end of insn_extra_address_constraint declaration.
8838 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8840 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
8841 (no-sum-in-toc): Same.
8842 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
8844 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
8845 NO_FP_IN_TOC for -fPIC instead of mask.
8847 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
8848 (BOOT_LDFLAGS): Delete.
8850 * config/rs6000/t-aix52: Same.
8852 * config/rs6000/rs6000.md (store_multiple_power): Delete.
8853 (stmsi[345678]_power): New.
8855 2006-03-17 Steve Ellcey <sje@cup.hp.com>
8857 * config/ia64/ia64.opt: Add empty line to end of file.
8859 2006-03-17 Richard Guenther <rguenther@suse.de>
8862 * builtins.c (get_pointer_alignment): For component style references
8863 adjust alignment to the component type alignment. Make sure
8864 to adjust alignment for component access of constants.
8866 2006-03-17 David Edelsohn <edelsohn@gnu.org>
8868 * config/rs6000/rs6000.md (strlensi): Emit barrier after
8871 2006-03-17 Paul Brook <paul@codesourcery.com>
8873 * doc/install.texi: Docuemnt --with-mode.
8874 * config.gcc: Add --with-mode for arm*-*-*.
8875 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
8877 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
8879 * sh.c (max_labelno_before_reorg): New variable.
8880 (sh_reorg): Initialize it.
8881 (find_barrier): Check max_labelno_before_reorg before using
8882 label_to_alignment. Take length of explicit alignment insns
8883 into account. When seeing a UNSPECV_CONST_END, return it.
8885 * sh.c (fixup_mova): Set mode of affected label to QImode.
8886 (untangle_mova): New function.
8887 (find_barrier): Use it. Check mode of label before decrementing
8889 (sh_reorg): Likewise.
8890 Set mode of all insns back to VOIDmode.
8892 * sh.c (MOVA_LABELREF): New macro.
8893 (mova_p, fixup_mova, sh_reorg): Use it.
8894 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
8895 ADDR_DIFF_VEC matches mova.
8897 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
8899 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
8900 with ATTRIBUTE_UNUSED.
8902 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8904 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8905 pointer, instead of assuming it is possible to derive the
8906 correct args size from a call insn.
8908 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8910 * rtl.h (CONST_INT_P): Define.
8911 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
8912 instead of GET_CODE(x) == CONST_INT.
8913 (vax_rtx_costs): Likewise.
8914 (vax_output_int_move): Likewise.
8915 (vax_output_int_add): Likewise.
8916 (legitimate_constant_address_p): Likewise.
8917 (index_term_p): Likewise.
8918 * config/vax/vax.h (PRINT_OPERAND): Likewise.
8919 * config/vax/vax.md (and<mode>3): Likewise.
8920 (ashrsi3): Likewise.
8922 (movstricthi): Likewise.
8923 (movstrictqi): Likewise.
8924 (rotrsi3): Likewise.
8925 (five unnamed insns): Likewise.
8927 2006-03-16 Geoffrey Keating <geoffk@apple.com>
8929 * doc/tm.texi (SDB and DWARF): Add extra parameter to
8930 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
8931 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
8932 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
8933 Pass to ASM_OUTPUT_DWARF_OFFSET.
8934 * dwarf2out.c (debug_frame_section): New.
8935 (output_call_frame_info): Use debug_frame_section. Pass it to
8936 dw2_asm_output_offset.
8937 (output_die): Pass appropriate section to dw2_asm_output_offset.
8938 (output_compilation_unit_header): Likewise.
8939 (output_pubnames): Likewise.
8940 (output_aranges): Likewise.
8941 (enum dw_val_class): Break dw_val_class_lbl_offset into
8942 dw_val_class_lineptr and dw_val_class_macptr.
8943 (add_AT_lbl_offset): Delete.
8944 (add_AT_lineptr): New.
8945 (add_AT_macptr): New.
8946 (AT_lbl): Expect a lineptr or macptr.
8947 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
8948 (attr_checksum): Likewise.
8949 (same_dw_val_p): Likewise.
8950 (size_of_die): Likewise.
8951 (value_format): Likewise.
8952 (output_die): Likewise.
8953 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
8955 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8956 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
8957 * config/darwin-protos.h (darwin_file_start): New.
8958 (darwin_asm_output_dwarf_offset): New.
8959 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8960 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
8962 * config/darwin.c (darwin_emit_unwind_label): Don't output label
8963 if not EH section; simplify.
8964 (darwin_file_start): New.
8965 (darwin_asm_output_dwarf_offset): New.
8966 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
8968 (DEBUG_INFO_SECTION): Likewise.
8969 (DEBUG_ABBREV_SECTION): Likewise.
8970 (DEBUG_ARANGES_SECTION): Likewise.
8971 (DEBUG_MACINFO_SECTION): Likewise.
8972 (DEBUG_LINE_SECTION): Likewise.
8973 (DEBUG_LOC_SECTION): Likewise.
8974 (DEBUG_PUBNAMES_SECTION): Likewise.
8975 (DEBUG_STR_SECTION): Likewise.
8976 (DEBUG_RANGES_SECTION): Likewise.
8977 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
8978 (ASM_OUTPUT_DWARF_OFFSET): New.
8980 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
8982 * config.gcc (tm_defines): Always add to previous value rather
8985 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8987 * config/mips/predicates.md (splittable_const_int_operand): New,
8988 split from move_operand.
8989 (splittable_symbolic_operand): New.
8990 (move_operand): Add commentary. Use splittable_const_int_operand.
8991 Inline mips_atomic_symbolic_constant_p.
8992 * config/mips/mips.md: Add combine splitters for handling moves
8993 of splittable_const_int_operands and splittable_symbolic_operands.
8994 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
8995 (mips_split_symbol): Declare.
8996 (mips_move_integer): Declare.
8997 * config/mips/mips.c (mips_split_p): Make global.
8998 (TARGET_MIN_ANCHOR_OFFSET): Override default.
8999 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9000 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9001 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9002 (mips_offset_within_object_p): Handle block symbols.
9003 (mips_atomic_symbolic_constant_p): Delete.
9004 (mips_cannot_force_const_mem): Return false for constants that
9005 mips_legitimize_move can handle.
9006 (mips_use_blocks_for_constant_p): New function.
9007 (mips_split_symbol): Make global.
9008 (mips_move_integer): Likewise. Add a temporary register argument.
9009 (mips_legitimize_const_move): Use splittable_const_int_operand and
9010 splittable_symbolic_operand.
9011 (mips_use_anchors_for_symbol_p): New function.
9012 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9013 (mips_split_p): Declare.
9015 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9017 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9018 (mips*-*-linux*): Likewise.
9020 2006-03-16 Roger Sayle <roger@eyesopen.com>
9021 Daniel Speyer <dspeyer@wam.umd.edu>
9024 * tree-dump.c (dump_real): New function.
9025 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9026 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9027 (tree-dump.o): Add $(REAL_H) to the dependencies.
9029 2006-03-16 Roger Sayle <roger@eyesopen.com>
9032 * real.c (real_from_string): If the mantissa is zero, don't bother
9033 parsing the exponent as the result should always be zero.
9035 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9037 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9039 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9041 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9042 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9043 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9044 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9045 ia64_sched_finish_global): New static functions to implement
9046 hooks from gcc_target.sched.
9047 (spec_check_no, max_uid, pending_data_specs): New static variables.
9048 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9049 ia64_spec_check_src_p): New static functions.
9050 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9051 (TARGET_SCHED_ADJUST_COST): Removed.
9052 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9053 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9054 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9055 TARGET_SCHED_GEN_CHECK,
9056 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9057 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9058 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9059 Fixed to handle speculation checks.
9060 (rtx_needs_barrier): Fixed to handle speculative loads and
9062 (ia64_variable_issue): Added code to count speculative loads and their
9064 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9066 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9068 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9070 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9071 (ia64_reorg): Reset stops_p to NULL after it is freed.
9072 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9073 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9074 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9076 (data_speculative, control_speculative, check_load): New attributes.
9077 (mov<mode>_advanced, mov<mode>_speculative,
9078 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9079 zero_extend<mode>di2_speculative,
9080 zero_extend<mode>di2_speculative_advanced): New patterns for
9081 data and control speculative loads.
9082 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9084 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9085 New pattern for data and control speculation checks.
9086 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9087 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9088 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9089 Auxiliary definitions for the patterns.
9090 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9091 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9093 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9095 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9096 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9097 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9098 New resource constraints.
9099 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9101 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9102 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9103 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9104 msched-in-control-spec, msched-ldc, msched-control-ldc,
9105 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9106 msched-prefer-non-control-spec-insns,
9107 msched-count-spec-in-critical-path): New flags to tune speculative
9109 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9110 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9111 msched-in-control-spec, msched-ldc, msched-control-ldc,
9112 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9113 msched-prefer-non-control-spec-insns,
9114 msched-count-spec-in-critical-path): Document new flags.
9116 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9118 * target.h (struct spec_info_def): New opaque declaration.
9119 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9120 speculate_insn, needs_block_p, gen_check,
9121 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9122 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9123 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9124 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9125 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9126 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9128 (TARGET_SCHED): Use new macros.
9129 * rtl.h (copy_DEPS_LIST_list): New prototype.
9130 * sched-int.h (struct sched_info): Change signature of new_ready field,
9131 adjust all initializations. New fields: add_remove_insn,
9132 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9133 region_head_or_leaf_p.
9134 (struct spec_info_def): New structure declaration.
9135 (spec_info_t): New typedef.
9136 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9137 recovery_block, orig_pat.
9138 (glat_start, glat_end): New variables declaraions.
9139 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9141 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9142 DETACH_LIFE_INFO, USE_GLAT.
9143 (enum SPEC_SCHED_FLAGS): New enumeration.
9144 (NOTE_NOTE_BB_P): New macro.
9145 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9146 attach_life_info, debug_spec_status, check_reg_live): New functions.
9147 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9148 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9150 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9151 * ddg.c (get_block_head_tail): Adjust all uses.
9152 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9153 (sms_sched_info): Initialize new fields.
9154 (contributes_to_priority): Removed.
9155 * haifa-sched.c (params.h): New include.
9156 (get_block_head_tail): Adjust all uses.
9157 (ISSUE_POINTS): New macro.
9158 (glat_start, glat_end): New global variables.
9159 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9160 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9161 old_last_basic_block, before_recovery, current_sched_info_var,
9162 rgn_n_insns, luid): New static variables.
9163 (insn_cost1): New function. Move logic from insn_cost to here.
9164 (find_insn_reg_weight1): New function. Move logic from
9165 find_insn_reg_weight to here.
9166 (reemit_notes, move_insn, max_issue): Change signature.
9167 (move_insn1): Removed.
9168 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9169 extend_bb): New static functions to support extension of scheduler's
9171 (generate_recovery_code, process_insn_depend_be_in_spec,
9172 begin_speculative_block, add_to_speculative_block,
9173 init_before_recovery, create_recovery_block, create_check_block_twin,
9174 fix_recovery_deps): New static functions to support
9175 generation of recovery code.
9176 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9177 restore_bb_notes, move_block_after_check, move_succs): New static
9178 functions to support ebb scheduling.
9179 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9180 functions to support handling of register live information.
9181 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9182 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9183 add_jump_dependencies): New static functions.
9184 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9185 consistancy checking.
9186 (debug_spec_status): New function to call from debugger.
9187 (priority): Added code to handle speculation checks.
9188 (rank_for_schedule): Added code to distinguish speculative instructions.
9189 (schedule_insn): Added code to handle speculation checks.
9190 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9191 Fixed to handle ebbs.
9192 (move_insn): Added code to handle ebb scheduling.
9193 (max_issue): Added code to use ISSUE_POINTS of instructions.
9194 (choose_ready): Added code to choose between speculative and
9195 non-speculative instructions.
9196 (schedule_block): Added code to handle ebb scheduling and scheduling of
9197 speculative instructions.
9198 (sched_init): Initialize new variables.
9199 (sched_finish): Free new variables. Print statistics.
9200 (try_ready): Added code to handle speculative instructions.
9201 * lists.c (copy_DEPS_LIST_list): New function.
9202 * sched-deps.c (extend_dependency_caches): New function. Move logic
9203 from create_dependency_caches to here.
9204 (get_dep_weak, ds_merge): Make global.
9205 * genattr.c (main): Code to output prototype for
9206 dfa_clear_single_insn_cache.
9207 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9208 (output_dfa_clean_insn_cache_func): Code to output
9209 dfa_clear_single_insn_cache function.
9210 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9212 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9214 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9215 New static variables.
9216 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9217 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9219 (ebb_sched_info): Initialize new fields.
9220 (get_block_head_tail): Adjust all uses.
9221 (compute_jump_reg_dependencies): Fixed to use glat_start.
9222 (schedule_ebb): Code to remove unreachable last block.
9223 (schedule_ebbs): Added code to update register live information.
9224 * sched-rgn.c (region_sched_info): Initialize new fields.
9225 (get_block_head_tail): Adjust all uses.
9226 (last_was_jump): Removed. Adjust users.
9227 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9228 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9229 Implement new hooks.
9230 (check_dead_notes1): New static function.
9231 (struct region): New fields: dont_calc_deps, has_real_ebb.
9232 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9233 (BB_TO_BLOCK): Fixed to handle EBBs.
9234 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9235 (ebb_head): New static variable.
9236 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9237 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9239 (compute_dom_prob_ps): New assertion.
9240 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9241 global_live_at_start.
9242 (init_ready_list): New assertions.
9243 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9244 (new_ready): Add support for BEGIN_CONTROL speculation.
9245 (schedule_insns): Fixed code that updates register live information
9247 (schedule_region): Fixed to handle EBBs.
9248 (init_regions): Use extend_regions and check_dead_notes1.
9249 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9250 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9251 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9252 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9253 TARGET_SCHED_GEN_CHECK,
9254 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9255 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9256 * doc/invoke.texi (max-sched-insn-conflict-delay,
9257 sched-spec-prob-cutoff): Document.
9259 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9261 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
9262 inter_tick, queue_index.
9263 (struct sched_info): Change signature of init_ready_list field.
9264 Adjust all initializations.
9265 (RESOLVED_DEPS): New access macro.
9266 (ready_add): Remove prototype.
9267 (try_ready): Add prototype.
9268 * sched-rgn.c (init_ready_list): Use try_ready.
9269 (schedule_region): Initialize
9270 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
9271 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
9272 (init_ready_list): Use try_ready.
9273 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
9274 * lists.c (remove_list_elem): Remove `static'.
9275 (remove_free_INSN_LIST_elem): New function.
9276 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
9277 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
9278 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
9280 (readyp): New variable.
9281 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
9282 change_queue_index, resolve_dep): New static functions.
9283 (try_ready): New function. Adjust callers in sched-rgn.c and
9284 sched-ebb.c to use it instead of ready_add.
9285 (clock_var): Move at the begining of file.
9286 (rank_for_schedule): Fix typo.
9287 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9288 (ready_lastpos): Enforce assertion.
9289 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9291 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9292 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9293 (queue_to_ready): Use free_INSN_LIST_list.
9294 (early_queue_to_ready): Fix typo.
9295 (schedule_block): Init readyp. Move init_ready_list call after the
9296 initialization of clock_var. Fix error in rejecting insn by
9297 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9298 that previously corrected INSN_TICKs. Add code for handling
9300 (set_priorities): Fix typo.
9301 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9302 Clarify comment and code that keeps current_sched_info->next_tail
9305 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9307 * sched-rgn.c (extend_rgns): New static function.
9308 (find_rgns): Use it.
9309 (gather_region_statistics, print_region_statistics): New static
9311 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9312 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9314 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9315 Andrey Belevantsev <abel@ispras.ru>
9317 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9318 * lists.c (unused_deps_list): New variable.
9319 (free_list): Add assertions to verify the proper distinguishing
9320 between INSN_LISTs and DEPS_LISTs.
9321 (find_list_elem, remove_list_elem, remove_list_node): New static
9323 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9324 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9325 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9326 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9328 (free_INSN_LIST_node): Likewise.
9329 * modulo-sched.c (current_sched_info): Initialize flags field.
9330 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9331 * rtl.def (DEPS_LIST): Define.
9332 * rtl.h: Declare new functions from lists.c.
9333 * sched-deps.c (spec_dependency_cache): New static variable.
9334 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
9335 (add_dependence): Change return type to void. Move the logic to ...
9336 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9337 (delete_all_dependences): Add comment about forward_dependency_cache.
9338 Handle spec_dependency_cache. Handle DEPS_LISTs.
9339 (fixup_sched_groups): Clarify the change of priority of output
9340 and anti dependencies.
9341 (sched_analyze_2): Adjust add_dependence calls to create data
9342 speculative dependence.
9343 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
9344 Adjust all callers. Handle DEPS_LISTS.
9345 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
9346 presence of speculation.
9347 (init_dependency_caches, free_dependency_caches):
9348 Handle spec_dependency_cache.
9349 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
9350 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
9351 New static functions.
9352 (add_or_update_back_dep, add_or_update_back_forw_dep,
9353 add_back_forw_dep, delete_back_forw_dep): New functions.
9354 * sched-int.h (ds_t, dw_t): New typedefs.
9355 (struct sched_info): Add new field flags.
9356 (struct haifa_insn_data): Add new bitfield has_internal_dep.
9357 Prototype new sched-deps.c functions.
9358 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
9359 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
9360 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
9361 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
9362 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
9363 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
9365 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
9367 * sched-rgn.c (current_sched_info): Initialize flags field.
9368 (schedule_insns): Initialize current_sched_info before the sched_init
9370 * sched-ebb.c (current_sched_info): Initialize flags field.
9371 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
9372 Call add_or_update_back_dep instead of add_dependence.
9373 Create control speculative dependencies.
9374 (schedule_insns): Initialize current_sched_info before the sched_init
9377 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
9379 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
9381 (sh_fallback_frame_state): Likewise.
9383 2006-03-15 Geoffrey Keating <geoffk@apple.com>
9385 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
9386 Do switch on default_use_cxa_atexit.
9387 (powerpc*-*-darwin*): Build crt2.o on powerpc.
9388 * config/darwin-crt3.o: New.
9389 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
9390 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
9391 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
9393 * config/rs6000/t-darwin: Move crt2.o building to here.
9394 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
9395 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
9398 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9400 * config/vax/vax.c (nonindexed_address_p): Change logical negation
9401 from '! xxx' to '!xxx' for coding-style conformance.
9402 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
9403 (EXTRA_CONSTRAINT): Likewise.
9404 * config/vax/vax.md (four unnamed insns): Likewise.
9406 2006-03-15 Paul Brook <paul@codesourcery.com>
9408 * config/arm/arm.c (minipool_pad): New.
9409 (add_minipool_forward_ref): Include pool alignment padding in address
9411 (push_minipool_fix): Set minipool_pad.
9412 (minipool_pad): Ditto.
9414 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9416 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
9417 instead of GET_CODE() == MEM and REG_P() instead of
9419 (print_operand_address): Likewise.
9420 (vax_address_cost): Likewise.
9421 (vax_rtx_costs): Likewise.
9422 (vax_notice_update_cc): Likewise.
9423 (vax_output_int_add): Likewise.
9424 (INDEX_REGISTER_P): Likewise.
9425 (BASE_REGISTER_P): Likewise.
9426 (nonindexed_address_p): Likewise.
9427 (vax_mode_dependent_address_p): Likewise.
9428 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
9429 (PRINT_OPERAND): Likewise.
9430 * config/vax/vax.md (ashlsi3): Likewise.
9431 (ashlsi3): Likewise.
9432 (some more unnamed insns): Likewise.
9434 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
9436 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
9437 iterator-style macro.
9438 (mark_control_dependent_edges_necessary): Update the use of
9439 EXECUTE_IF_CONTROL_DEPENDENT.
9441 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
9443 * config/sh/predicates.md (cache_address_operand): Special.
9444 (ua_address_operand): Likewise.
9446 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9448 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
9450 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
9452 2006-03-15 Andreas Schwab <schwab@suse.de>
9454 * gensupport.c (identify_predicable_attribute): Don't free p_false
9455 when it is still in use.
9457 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
9459 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
9460 the default setting here.
9462 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
9464 * tree-pass.h (pass_cfg): Remove.
9465 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
9466 * passes.c (pass_cfg): Don't run it.
9468 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
9470 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
9471 * reg-stack.c (stack_regs_mentioned_data): Change the type to
9473 (stack_regs_mentioned): Update the uses of
9474 stack_regs_mentioned_data. Don't access the array beyond its
9476 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
9477 Don't include gt-reg-stack.h.
9479 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
9480 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
9482 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
9485 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
9488 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9490 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
9492 2006-03-14 Richard Guenther <rguenther@suse.de>
9494 PR tree-optimization/26672
9495 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
9498 2006-03-14 Richard Guenther <rguenther@suse.de>
9500 PR tree-optimization/26667
9501 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
9502 node for the callees. Always allow inlining if it will shrink
9505 2006-03-14 Richard Guenther <rguenther@suse.de>
9508 * builtins.c (get_pointer_alignment): Prefer alignment
9509 information from decls over that from types.
9511 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
9514 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
9516 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
9518 * config/rs6000/rs6000.opt (mdlmzb): New option.
9519 (msched-prolog, msched-epilog): Use Var not Mask.
9520 * doc/invoke.texi (-mdlmzb): Document.
9521 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9523 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
9524 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
9526 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
9528 PR rtl-optimization/25739
9529 * bt-load.c (augment_live_range): Free tos pointer.
9531 * gensupport.c (identify_predicable_attribute): Free
9533 * gcov.c (create_file_names): Free name pointer.
9535 2006-03-13 Roger Sayle <roger@eyesopen.com>
9538 * stmt.c (emit_case_nodes): Handle the case where the index is a
9539 CONST_INT, where the comparison mode is specified by the index type.
9541 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9543 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
9546 2006-03-13 Richard Sandiford <richard@codesourcery.com>
9548 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
9549 (*branch_fp_inverted): Likewise.
9551 2006-03-13 Jakub Jelinek <jakub@redhat.com>
9554 * omp-low.c (expand_omp_for_generic): Mark istart0
9555 and iend0 as addressable.
9557 2006-03-13 Jie Zhang <jie.zhang@analog.com>
9559 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
9561 2006-03-13 Jeff Law <law@redhat.com>
9563 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
9564 virtual operands are interesting.
9565 (vrp_visit_stmt): Corresponding changes.
9567 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
9569 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
9571 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
9572 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
9573 * config/bfin/crti.S: Use it instead of __PIC__.
9574 * config/bfin/crtn.S: Likewise.
9576 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
9577 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
9579 Lose 'G' modifier for call operand.
9580 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
9581 recognize 'G' modifier.
9583 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
9586 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
9587 * stmt.c (expand_case): Likewise.
9589 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9591 PR rtl-optimization/26254
9592 * loop-invariant.c (seq_insns_valid_p): New function.
9593 (move_invariant_reg): Only emit new code if it is valid.
9595 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9597 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
9599 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
9600 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
9601 (commit_one_edge_insertion): Do not look for loop notes.
9603 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9605 * jump.c (follow_jumps): Do not check for loop notes. Move check for
9606 flag_test_coverage out of loop.
9608 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9610 * final.c (shorten_branches): Remove outdated comment, and turn
9611 the if branch that guards it to continue.
9613 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9615 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
9616 * cfgloop.h (struct loop): Remove unused fields.
9618 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
9620 * doc/invoke.texi (-fdump-rtl-loop): Remove.
9621 (-dL, -fdump-rtl-loop2): Update the dump file names
9623 * doc/invoke.texi: Update dump file names.
9625 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
9627 * predict.c (estimate_probability): Remove.
9628 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
9629 * basic-block.h (estimate_probability): Remove prototype.
9630 * passes.c (finish_optimization_passes): Dump branch prediction or
9631 profiling heuristics to the .profile tree dump.
9632 (init_optimization_passes): Unqueue pass_branch_prob.
9634 * doc/invoke.texi (-fdump-rtl-bp): Remove.
9636 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9638 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
9639 * rtl.h (LABEL_NEXTREF): Remove field accessor.
9641 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
9643 * function.h (frame_offset_overflow): Declare.
9644 * function.c (frame_offset_overflow): New function.
9645 (assign_stack_local_1): Call it to detect that the offset overflows.
9646 * cfgexpand.c (alloc_stack_frame_space): Likewise.
9648 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9650 * config/sh/sh.c: Include alloc-pool.h.
9651 (label_ref_list_pool): New alloc pool.
9652 (label_ref_list_t): New type for lists of labels.
9653 (struct pool_node): Make wend a label_ref_list_t.
9654 (add_constant): Use the new type, eradicate LABEL_NEXTREF
9656 (dump_table): Likewise.
9657 (sh_reorg): Set up the alloc pool before using add_constant and
9658 dump_table, and destroy it when finishing.
9660 2006-03-11 Richard Sandiford <richard@codesourcery.com>
9662 * config/mips/mips.c: Remove redundant comment.
9664 2006-03-10 Jason Merrill <jason@redhat.com>
9667 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
9668 the target was declared 'register'.
9670 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
9672 * genpreds.c (write_insn_constraint_len): Change definition of
9673 insn_constraint_len to return size_t to match the declaration.
9675 2006-03-10 DJ Delorie <dj@redhat.com>
9677 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
9679 (m32c_expand_insv): Fix test for an AND mask.
9681 2006-03-10 Richard Guenther <rguenther@suse.de>
9684 * builtins.c (get_pointer_alignment): Handle component
9685 references for field alignment.
9687 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9689 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
9690 when building with libgloss.
9691 (sh*elf): Implement --without-fp option.
9692 (sh64-superh-linux*): Don't multilib.
9694 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9696 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
9698 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
9700 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
9701 Set it when one of the replacement functions returned true.
9702 Return TODO_cleanup_cfg if cfgchanged is true.
9703 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
9705 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
9707 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
9708 instead of gen_lowpart.
9710 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9712 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
9714 (mips_output_order_conditional_branch): Declare.
9715 * config/mips/mips.h (MIPS_BRANCH): New macro.
9716 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
9717 for the comparison. Use gen_condjump.
9718 (mips_output_conditional_branch): Rework interface to take the
9719 asm templates for a direct branch and the inverse of a direct branch.
9720 (mips_output_order_conditional_branch): New function.
9721 (mips_builtin_branch_and_move): New function.
9722 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
9723 branch condition. Use gen_single_cc as the condition for
9724 __builtin_mips_upper_* or __builtin_mips_lower_*.
9725 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
9726 Use VOIDmode for the branch condition.
9727 * config/mips/predicates.md (order_operator): New predicate.
9728 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
9729 (branch_fp): Rename to...
9730 (*branch_fp): ...this. Remove mode from comparison operator.
9731 Use new mips_output_conditional_branch interface.
9732 (branch_fp_inverted): Rename to...
9733 (*branch_fp_inverted): ...this and update as for *branch_fp.
9734 (*branch_zero<mode>): Rename to...
9735 (*branch_order<mode>): ...this. Remove mode from comparison operator.
9736 Use mips_output_order_conditional_branch. Only accept ordered
9738 (*branch_zero<mode>_inverted): Rename to...
9739 (*branch_order<mode>_inverted): ...this and update as for
9740 *branch_order<mode>.
9741 (*branch_equality<mode>): Accept zero as the second operand to
9742 the equality operator. Use the new mips_output_conditional_branch
9744 (*branch_equality<mode>_inverted): Likewise.
9745 (condjump): New expander.
9746 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
9748 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
9749 (bc1any2t, bc1any2f): Likewise.
9750 (single_cc): New expander.
9751 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
9753 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9755 * doc/md.texi: Update documentation of MIPS constraints.
9756 * config/mips/constraints.md: New file.
9757 * config/mips/mips.md: Include it.
9758 * config/mips/mips.c (mips_char_to_class): Delete.
9759 (override_options): Don't initialize mips_char_to_class.
9760 * config/mips/mips.h (mips_char_to_class): Delete.
9761 (REG_CLASS_FROM_LETTER): Delete.
9762 (CONST_OK_FOR_LETTER_P): Delete.
9763 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9764 (EXTRA_CONSTRAINT_Y): Delete.
9765 (EXTRA_CONSTRAINT_STR): Delete.
9766 (CONSTRAINT_LEN): Delete.
9767 (EXTRA_MEMORY_CONSTRAINT): Delete.
9769 2006-03-09 Diego Novillo <dnovillo@redhat.com>
9771 * tree-cfg.c (move_block_to_fn): Remove the statements from the
9772 original fn's eh regions.
9774 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
9776 * fold-const.c (build_range_check): Make sure to use a valid type to
9777 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
9780 (range_predecessor): New static function.
9781 (range_successor): Likewise.
9782 (merge_ranges): Use them to compute predecessors and successors of
9785 2006-03-09 Roger Sayle <roger@eyesopen.com>
9788 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
9789 X op C3, consider whether C3 overflows towards +Inf or -Inf.
9791 2006-03-08 DJ Delorie <dj@redhat.com>
9793 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
9794 (addpsi3): Expand to include memory operands. Remove
9795 reload-specific splits.
9796 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
9797 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
9798 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
9799 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
9800 (shift1_qi, shift1_hi, insv): New.
9801 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
9802 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
9803 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
9805 * config/m32c/m32c-protos.h: Update as needed.
9806 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
9807 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
9808 Fail for unrecognized R* constraints.
9809 (m32c_cannot_change_mode_class): Be more picky about pseudos.
9810 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
9811 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
9813 (m32c_init_libfuncs): New.
9814 (m32c_legitimate_address_p): Add debug wrapper.
9815 (m32c_rtx_costs): New.
9816 (m32c_address_cost): New.
9817 (conversions): Add 'B' prefix.
9818 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
9819 operands, or word regnames for QI operands. 'B' prints bit
9821 (m32c_expand_setmemhi): New.
9822 (m32c_expand_movmemhi): New.
9823 (m32c_expand_movstr): New.
9824 (m32c_expand_cmpstr): New.
9825 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
9826 (m32c_expand_neg_mulpsi3): Handle non-ints.
9827 (m32c_cmp_flg_0): New.
9828 (m32c_expand_movcc): New.
9829 (m32c_expand_insv): New.
9830 (m32c_scc_pattern): New.
9831 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
9832 a0/a1 out of SIregs.
9833 (STORE_FLAG_VALUE): New.
9834 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
9837 * config/m32c/mov.md: Make constraints more liberal.
9838 (zero_extendqihi2): Optimize r0/r1 case.
9839 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
9840 * config/m32c/predicates.md (m32c_any_operand): New.
9841 (m32c_nonimmediate_operand): New.
9842 (m32c_hl_operand): New.
9843 (m32c_r3_operand): New.
9846 (memsym_operand): New.
9847 (memimmed_operand): New.
9848 (a_qi_operand): New.
9849 (m32c_eqne_operator): New.
9850 (m32c_1bit8_operand): New.
9851 (m32c_1bit16_operand): New.
9852 (m32c_1mask8_operand): New.
9853 (m32c_1mask16_operand): New.
9854 * config/m32c/blkmov.md: New file.
9855 * config/m32c/t-m32c (MD_FILES): Add blkmov.
9857 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
9859 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
9860 unsigned to fix signed/unsigned comparison issue in
9861 DWARF2_FRAME_REG_OUT.
9862 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
9863 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
9865 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
9866 of ptr into the ENABLE_CHECKING section.
9868 2006-03-08 Jeff Law <law@redhat.com>
9870 * tree-vrp.c (infer_value_range): Only count pointer uses
9871 and dereferences if -fdelete-null-pointer-checks is enabled.
9873 * tree-vrp.c (find_assert_locations): Infer value ranges for
9874 single use pointers, but do not create ASSERT_EXPRs for them.
9875 When a non-null range is inferred for a pointer, backwards
9876 propagate that range to other equivalent pointers through the
9879 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
9882 * Makefile.in (dvi, html, install-info): Invoke the corresponding
9883 language hook targets.
9884 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
9885 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
9886 if language hook targets were missing.
9888 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
9890 * tree-ssa-opfinalize.h: Removed.
9891 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
9893 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
9894 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
9895 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
9896 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
9897 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
9898 finalize_ssa_v_must_def_ops): New.
9900 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
9902 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
9905 2006-03-07 Geoffrey Keating <geoffk@apple.com>
9907 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
9909 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
9910 addresses with offsets; reorganize.
9912 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
9913 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
9914 (expand_builtin_init_dwarf_reg_sizes): Likewise.
9916 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
9919 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
9921 2006-03-08 Ben Elliston <bje@au.ibm.com>
9923 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
9925 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
9928 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
9931 2006-03-07 Richard Guenther <rguenther@suse.de>
9933 PR tree-optimization/26587
9934 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
9936 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9938 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
9940 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9942 * hooks.c (hook_bool_mode_rtx_true): New function.
9943 * hooks.h (hook_bool_mode_rtx_true): Declare.
9944 * toplev.c (compile_file): Call output_shared_constant_pool.
9945 * varasm.c (shared_constant_pool): New variable.
9946 (assemble_start_function, assemble_end_function): Remove arguments
9947 from call to output_constant_pool.
9948 (create_constant_pool): New function, split out from...
9949 (init_varasm_status): ...here.
9950 (force_const_mem): Choose between the shared and per-function constant
9951 pools. Set current_function_uses_const_pool when reusing old entries
9952 as well as when creating new ones.
9953 (mark_constant): Ignore data argument.
9954 (mark_constants): Remove pool argument.
9955 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
9956 to decide whether the function uses a constant pool.
9957 (output_constant_pool_contents): New function, split out from...
9958 (output_constant_pool): ...here.
9959 (output_shared_constant_pool): New function.
9960 (init_varasm_once): Initialize shared_constant_pool.
9961 * output.h (output_constant_pool): Delete.
9962 (output_shared_constant_pool): Declare.
9963 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
9964 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
9966 2006-03-06 Nick Clifton <nickc@redhat.com>
9968 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
9969 flag_strength_reduce.
9971 2006-03-06 Ben Elliston <bje@au.ibm.com>
9973 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
9974 x86_64-*-linux* configurations.
9976 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
9977 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
9979 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9981 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
9983 * basic-block.h: Remove the extern for
9984 rediscover_loops_after_threading.
9986 * cfgloop.c (cancel_loop): Make it static.
9987 * cfgloop.h: Remove the prototype for cancel_loop.
9989 * flow.c (recompute_reg_usage): Make it static.
9990 * rtl.h: Remove the prototype for recompute_reg_usage.
9992 * function.c (use_return_register): Make it static.
9993 * function.h: Remove the prototype.
9995 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9997 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
9999 * recog.h: Remove the prototype for
10000 validate_change_maybe_volatile.
10002 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10004 * rtlanal.c (replace_reg): Remove.
10005 * rtl.h: Remove the prototype for replace_reg.
10007 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10009 * regclass.c (reg_scan_update): Remove.
10010 (reg_scan_mark_refs): Remove the last argument.
10011 * rtl.h: Remove the prototype for reg_scan_update.
10013 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10015 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10016 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10017 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10018 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10019 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10020 loop-invariant.c, omp-low.c, opts.c, passes.c,
10021 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10022 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10023 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10024 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10025 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10026 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10028 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10030 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10031 * dwarf2out.h: Remove the prototype for
10032 dwarf2out_add_library_unit_info.
10034 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10036 * tree.c (add_var_to_bind_expr): Remove.
10037 * tree.h: Remove the prototype for add_var_to_bind_expr.
10039 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10041 * regclass.c (n_non_fixed_regs): Remove.
10042 (init_reg_sets_1, globalize_reg): Remove all uses of
10044 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10046 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10048 * rtlanal.c (insns_safe_to_move_p): Remove.
10049 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10051 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10053 * expmed.c (expand_mult_add): Remove.
10054 * expr.h: Remove the prototype for expand_mult_add.
10056 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10058 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10059 and REG_SAVED_VAL_EXP constants.
10060 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10061 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10062 Handle regs stored by value.
10063 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10064 (execute_cfa_program): Handle DW_CFA_val_offset,
10065 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10066 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10067 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10068 (uw_install_context_1): Handle target regs stored by value.
10070 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10072 * tree-sra.c (tree_sra): Return todoflags;
10073 (generate_one_element): Set TODO_update_smt_usage if needed.
10074 (pass_sra): Remove TODO_update_smt_usage.
10075 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10077 (tree_ssa_forward_propagate_single_use_vars): Return
10078 TODO_update_smt_usage if we need to update SMT usage.
10079 (pass_forwprop): Remove TODO_update_smt_usage.
10081 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10083 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10084 (correct_use_link): Remove reference to get_stmt_operands.
10085 (update_stmt_operands): Likewise.
10086 (get_modify_expr_operands): New function factored out of
10087 parse_ssa_operands and get_expr_operands.
10088 Try to create V_MUST_DEFs for LHS by default.
10089 (get_expr_operands) <case MODIFY_EXPR>: Call
10090 get_modify_expr_operands.
10091 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10092 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10093 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10094 get_modify_expr_operands.
10096 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10098 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10099 * tree-flow.h: Remove the prototype for
10100 referenced_var_lookup_if_exists.
10102 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10104 PR rtl-optimization/26345
10106 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10108 2006-03-03 Roger Sayle <roger@eyesopen.com>
10110 PR tree-optimization/26524
10111 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10112 fold_convert to create a constant of the appropriate type.
10114 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10116 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10117 SYMBOL_REF_IN_BLOCK_P.
10118 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10119 of SYMBOL_FLAG_IN_BLOCK.
10120 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10121 instead of SYMBOL_REF_IN_BLOCK_P.
10122 * explow.c (use_anchored_address): Likewise.
10123 * rtl.c (rtx_size): Likewise.
10124 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10125 instead of SYMBOL_FLAG_IN_BLOCK.
10126 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10127 SYMBOL_REF_IN_BLOCK_P.
10128 (assemble_variable): Likewise.
10129 (output_constant_def_contents): Likewise.
10130 (output_constant_pool): Likewise.
10131 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10132 instead of SYMBOL_FLAG_IN_BLOCK.
10133 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10134 SYMBOL_REF_IN_BLOCK_P.
10135 (SYMBOL_REF_BLOCK): Likewise.
10136 (SYMBOL_REF_OFFSET): Likewise.
10137 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10138 SYMBOL_REF_IN_BLOCK_P.
10139 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10140 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10141 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10142 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10144 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10146 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10148 2006-03-02 Roger Sayle <roger@eyesopen.com>
10150 * simplify-rtx.c (simplify_unary_operation): When simplifying
10151 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10152 that we perform the right shift in the appropriate mode, and
10153 then extend or truncate the result to requested mode.
10155 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10157 * gengtype.c (main): Handle double_int type.
10158 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10159 * double-int.c: New file.
10160 * double-int.h: New file.
10161 * system.h: Include doubleint.h.
10162 * Makefile.in (SYSTEM_H): Include double-int.h.
10163 (double-int.o): Add.
10165 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10168 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10171 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10173 * tree-vrp.c (remove_range_assertions): Do not update statements
10176 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10178 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10180 * gcse.c (rest_of_handle_gcse): Ditto.
10181 * except.c (gate_handle_eh): Ditto.
10182 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10183 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10185 2006-03-02 Eric Christopher <echristo@apple.com>
10187 * config/i386/i386.c (machopic_output_stub): Add indirection to
10190 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10194 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10196 Sun Niagara specific optimizations.
10197 * config.gcc: Recognize niagara as target.
10198 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10199 (TARGET_CPU_niagara): Define.
10200 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10201 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10202 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10203 (ASM_CPU_SPEC): Likewise.
10204 (PROCESSOR_NIAGARA): New enum entry.
10205 (REGISTER_MOVE_COST): Handle Niagara.
10206 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10207 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10208 (sparc_override_options): Recognize "niagara", set appropriate
10209 default MASK_* values for it, and align functions to 32-bytes
10210 by default just like ULTRASPARC/ULTRASPARC3.
10211 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10212 (sparc64_initialize_trampoline): Likewise.
10213 (sparc_use_sched_lookahead): Use zero for niagara.
10214 (sparc_issue_rate): Use one for niagara.
10215 * config/sparc/niagara.md: New file.
10216 * config/sparc/sparc.md: Include it.
10217 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10218 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10219 when default cpu is niagara.
10220 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10221 (ASM_CPU_SPEC): Likewise.
10222 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10223 when default cpu is niagara.
10224 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10225 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10226 just like v9/ultrasparc/ultrasparc3.
10227 * doc/invoke.texi: Add documentation for "niagara" and improve
10228 existing documentation for ultrasparc variants.
10230 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10232 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10234 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10236 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10237 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10238 and say that only one is needed.
10239 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10240 * target.h (have_switchable_bss_sections): New hook.
10241 * explow.c (use_anchored_address): Check that the symbol is in a block.
10242 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10243 (bss_noswitch_section): New variables.
10244 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10245 (get_noswitch_section): New function.
10246 (get_block_for_section): Allow SECT to be null.
10247 (unlikely_text_section_p): Use SECTION_STYLE.
10248 (bss_initializer_p): New function.
10249 (get_variable_section): Move earlier in file. Take a new argument,
10250 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10251 Return one of the new *_sections in such cases.
10252 (get_block_for_decl): New function, extracting some logic from
10253 use_blocks_for_decl_p.
10254 (change_symbol_section): Remove in favor of...
10255 (change_symbol_block): ...this new function.
10256 (use_blocks_for_decl_p): Remove checks now performed by
10257 get_block_for_decl.
10258 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
10259 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
10260 (emit_local, emit_bss, emit_common): ...these new functions.
10261 Return true if the alignment was honored.
10262 (emit_tls_common): New function.
10263 (asm_emit_uninitialised): Delete.
10264 (assemble_variable_noswitch): New function, split out from...
10265 (assemble_variable): ...here. Don't make decisions about common
10266 variables here. Globalize all public decls that go into non-common
10267 sections. Check whether SYMBOL_REF_BLOCK is null.
10268 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
10269 (output_constant_pool): Likewise.
10270 (init_varasm_once): Initialize the new section variables.
10271 (have_global_bss_p): New function.
10272 (categorize_decl_for_section): Use bss_initializer_p.
10273 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
10274 (place_block_symbol): Assert that the symbol must be in a block.
10275 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
10276 (TARGET_INITIALIZER): Include it.
10277 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
10278 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
10279 (SECTION_MACH_DEP): Bump by two.
10280 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
10281 (unnamed_section): Mention SECTION_UNNAMED in comment.
10282 (named_section): Likewise SECTION_NAMED.
10283 (noswitch_section_callback): New type.
10284 (noswitch_section): New structure.
10285 (section): Add a noswitch_section alternative.
10286 (SECTION_STYLE): New macro.
10287 (tls_comm_section, comm_section, lcomm_section): Declare.
10288 (bss_noswitch_section, have_global_bss_p): Declare.
10289 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10290 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10292 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10293 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10296 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10298 * tree-vrp.c (execute_vrp): Return value.
10299 * regrename.c (rest_of_handle_regrename): Ditto.
10300 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10301 * tree-complex.c (tree_lower_complex): Ditto.
10302 (tree_lower_complex_O0): Ditto.
10303 * tracer.c (rest_of_handle_tracer): Ditto.
10304 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10305 * postreload.c (rest_of_handle_postreload): Ditto.
10306 * tree-tailcall.c (execute_tail_recursion): Ditto.
10307 (execute_tail_calls): Ditto.
10308 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10309 * tree.h (init_function_for_compilation): Ditto.
10310 * ipa-cp.c (ipcp_driver): Ditto.
10311 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10312 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10313 * final.c (compute_alignments): Ditto.
10314 (rest_of_handle_final): Ditto.
10315 (rest_of_handle_shorten_branches): Ditto.
10316 (rest_of_clean_state): Ditto.
10317 * omp-low.c (execute_expand_omp): Ditto.
10318 (execute_lower_omp): Ditto.
10319 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10320 * ipa-reference.c (static_execute): Ditto.
10321 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10322 * reorg.c (rest_of_handle_delay_slots): Ditto.
10323 (rest_of_handle_machine_reorg): Ditto.
10324 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10325 * flow.c (recompute_reg_usage): Ditto.
10326 (rest_of_handle_remove_death_notes): Ditto.
10327 (rest_of_handle_life): Ditto.
10328 (rest_of_handle_flow2): Ditto.
10329 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10330 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10331 (do_ssa_store_ccp): Ditto.
10332 (execute_fold_all_builtins): Ditto.
10333 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10334 * modulo-sched.c (rest_of_handle_sms): Ditto.
10335 * ipa-pure-const.c (static_execute): Ditto.
10336 * cse.c (rest_of_handle_cse): Ditto.
10337 (rest_of_handle_cse2): Ditto.
10338 * web.c (rest_of_handle_web): Ditto.
10339 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10340 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
10341 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
10342 * tree-nrv.c (tree_nrv): Ditto.
10343 (execute_return_slot_opt): Ditto.
10344 * tree-ssa-alias.c (compute_may_aliases): Ditto.
10345 (create_structure_vars): Ditto.
10346 * loop-init.c (rtl_loop_init): Ditto.
10347 (rtl_loop_done): Ditto.
10348 (rtl_move_loop_invariants): Ditto.
10349 (rtl_unswitch): Ditto.
10350 (rtl_unroll_and_peel_loops): Ditto.
10351 (rtl_doloop): Ditto.
10352 * gimple-low.c (lower_function_body): Ditto.
10353 (mark_used_blocks): Ditto.
10354 * tree-ssa-sink.c (execute_sink_code): Ditto.
10355 * ipa-inline.c (cgraph_decide_inlining): Ditto.
10356 (cgraph_early_inlining): Ditto.
10357 * global.c (rest_of_handle_global_alloc): Ditto.
10358 * jump.c (cleanup_barriers): Ditto.
10359 (purge_line_number_notes): Ditto.
10360 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
10361 (rest_of_handle_if_after_reload): Ditto.
10362 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
10363 (tree_ssa_loop_im): Ditto.
10364 (tree_ssa_loop_unswitch): Ditto.
10365 (tree_vectorize): Ditto.
10366 (tree_linear_transform): Ditto.
10367 (tree_ssa_loop_ivcanon): Ditto.
10368 (tree_ssa_empty_loop): Ditto.
10369 (tree_ssa_loop_bounds): Ditto.
10370 (tree_complete_unroll): Ditto.
10371 (tree_ssa_loop_prefetch): Ditto.
10372 (tree_ssa_loop_ivopts): Ditto.
10373 (tree_ssa_loop_done): Ditto.
10374 * predict.c (tree_estimate_probability): Ditto.
10375 * recog.c (split_all_insns_noflow): Ditto.
10376 (rest_of_handle_peephole2): Ditto.
10377 (rest_of_handle_split_all_insns): Ditto.
10378 * tree-eh.c (lower_eh_constructs): Ditto.
10379 * regmove.c (rest_of_handle_regmove): Ditto.
10380 (rest_of_handle_stack_adjustments): Ditto.
10381 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
10382 * function.c (instantiate_virtual_regs): Ditto.
10383 (init_function_for_compilation): Ditto.
10384 (rest_of_handle_check_leaf_regs): Ditto.
10385 * gcse.c (rest_of_handle_jump_bypass): Ditto.
10386 (rest_of_handle_gcse): Ditto.
10387 * ipa-type-escape.c (type_escape_execute): Ditto.
10388 * alias.c (rest_of_handle_cfg): Ditto.
10389 * tree-if-conv.c (main_tree_if_conversion): Ditto.
10390 * profile.c (rest_of_handle_branch_prob): Ditto.
10391 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
10392 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
10393 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
10394 * tree-dfa.c (find_referenced_vars): Ditto.
10395 * except.c (set_nothrow_function_flags): Ditto.
10396 (convert_to_eh_region_ranges): Ditto.
10397 (rest_of_handle_eh): Ditto.
10398 * emit-rtl.c (unshare_all_rtl): Ditto.
10399 (remove_unnecessary_notes): Ditto.
10400 * except.h (set_nothrow_function_flags): Ditto.
10401 (convert_to_eh_region_ranges): Ditto.
10402 * cfgexpand.c (tree_expand_cfg): Ditto.
10403 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
10404 * tree-ssa-pre.c (do_pre): Ditto.
10405 (execute_fre): Ditto.
10406 * cfgcleanup.c (rest_of_handle_jump): Ditto.
10407 (rest_of_handle_jump2): Ditto.
10408 * tree-sra.c (tree_sra): Ditto.
10409 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
10410 (execute_mudflap_function_decls): Ditto.
10411 * tree-ssa-copy.c (do_copy_prop): Ditto.
10412 (do_store_copy_prop): Ditto.
10413 * ipa-prop.h (ipcp_driver): Ditto.
10414 * cfglayout.c (insn_locators_initialize): Ditto.
10415 * tree-ssa-forwprop.c
10416 (tree_ssa_forward_propagate_single_use_vars): Ditto.
10417 * cfglayout.h (insn_locators_initialize): Ditto.
10418 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
10419 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
10420 (execute_late_warn_uninitialized): Ditto.
10421 * rtl.h (cleanup_barriers): Ditto.
10422 (split_all_insns_noflow): Ditto.
10423 (purge_line_number_notes): Ditto.
10424 (unshare_all_rtl): Ditto.
10425 (remove_unnecessary_notes): Ditto.
10426 (recompute_reg_usage): Ditto.
10427 (variable_tracking_main): Ditto.
10428 * integrate.c (emit_initial_value_sets): Ditto.
10429 * integrate.h (emit_initial_value_sets): Ditto.
10430 * tree-optimize.c (execute_free_datastructures): Ditto
10431 (execute_free_cfg_annotations): Ditto.
10432 (execute_fixup_cfg): Ditto.
10433 (execute_cleanup_cfg_pre_ipa): Ditto.
10434 (execute_cleanup_cfg_post_optimizing): Ditto.
10435 (execute_init_datastructures): Ditto.
10436 * tree-object-size.c (compute_object_sizes): Ditto.
10437 * combine.c (rest_of_handle_combine): Ditto.
10438 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
10439 * bb-reorder.c (duplicate_computed_gotos): Ditto.
10440 (rest_of_handle_reorder_blocks): Ditto.
10441 (rest_of_handle_partition_blocks): Ditto.
10442 * var-tracking.c (variable_tracking_main): Ditto.
10443 * tree-profile.c (tree_profiling): Ditto.
10444 * tree-vect-generic.c (expand_vector_operations): Ditto.
10445 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
10446 * sched-rgn.c (rest_of_handle_sched): Ditto.
10447 (rest_of_handle_sched2): Ditto.
10448 * basic-block.h (free_bb_insn): Ditto.
10449 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
10450 * tree-cfg.c (execute_build_cfg): Ditto.
10451 (remove_useless_stmts): Ditto.
10452 (split_critical_edges): Ditto.
10453 (execute_warn_function_return): Ditto.
10454 (execute_warn_function_noreturn): Ditto.
10455 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
10456 * cfgrtl.c (free_bb_for_insn): Ditto.
10457 * passes.c (execute_one_pass): Run additional
10458 todos returned by execute function.
10459 * tree-pass.h (struct tree_opt_pass): Make execute
10462 2006-03-02 Richard Guenther <rguenther@suse.de>
10464 * tree-ssa-alias.c (find_used_portions): Consider taking
10465 the address as making the variable not write-only.
10467 2006-03-02 Nick Clifton <nickc@redhat.com>
10469 * config.gcc (default_use_cxa_atexit): Extend the description of
10470 this configure variable. Set its default value to "yes" for
10471 Linux, NetBSD and ELF targets on the assumption that they will
10472 use C libraries with the __cxa_atexit function.
10474 2006-03-02 Ben Elliston <bje@au.ibm.com>
10476 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
10477 parameter as unused to suppress a build warning.
10479 2006-03-02 Ben Elliston <bje@au.ibm.com>
10481 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
10484 2006-03-01 Roger Sayle <roger@eyesopen.com>
10487 * gthr-posix.h (__gthrw2): Define to take three parameters, the
10488 declared name, the weak reference name, and the typeof name.
10489 (__gthrw): Avoid expanding the declared name suffix.
10490 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
10492 2006-03-01 Jakub Jelinek <jakub@redhat.com>
10494 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
10496 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
10497 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
10498 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
10499 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
10500 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
10501 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
10502 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
10503 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
10504 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
10505 DW_DS_leading_separate, DW_DS_trailing_separate): New.
10506 (DW_END_default, DW_END_big, DW_END_little): New.
10507 (DW_END_lo_user, DW_END_hi_user): Define.
10508 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
10509 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
10510 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
10513 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10515 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
10517 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
10519 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
10521 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
10523 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
10524 to 'symbol_mem_tag'.
10526 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
10529 2006-03-01 Roger Sayle <roger@eyesopen.com>
10531 * builtins.c (fold_builtin_copysign): Delete unreachable code.
10533 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10536 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
10537 MACHO_DYNAMIC_NO_PIC_P.
10538 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
10540 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10543 * config/darwin-protos.h (darwin_asm_output_anchor):
10545 * config/darwin-sections.def (cstring_section):
10546 Add SECTION_MERGE to the flags.
10547 (literal4_section): Likewise.
10548 (literal8_section): Likewise.
10549 (objc_selector_refs_section): Likewise.
10550 (objc_cls_refs_section): Likewise.
10551 * config/darwin.c (darwin_asm_output_anchor): New
10553 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10555 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
10557 Fix PR tree-optimization/26443
10558 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
10559 to todo and PROP_tmt_usage to properties_destroyed.
10560 * tree-ssa-ccp.c (pass_ccp): Ditto.
10561 (pass_store_ccp): Ditto.
10562 * tree-ssa-dom.c (pass_dominator): Ditto.
10564 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10566 * tree-ssa-operands.c: Cleanup whitespace.
10567 (get_asm_expr_operands): Move before first invocation.
10568 (get_indirect_ref_operands): Likewise.
10569 (get_tmr_operands): Likewise.
10570 (get_call_expr_operands): Likewise.
10571 (append_def): Likewise.
10572 (append_use): Likewise.
10573 (append_v_may_def): Likewise.
10574 (append_v_must_def): Likewise.
10575 (add_call_clobber_ops): Likewise.
10576 (add_call_read_ops): Likewise.
10577 (add_stmt_operand): Likewise.
10578 (add_virtual_operand): Likewise.
10579 (build_ssa_operands): Likewise.
10581 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10583 PR middle-end/26022
10585 PR middle-end/24437
10586 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10587 with a call expr to ...
10588 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10590 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10592 * tree-vrp.c (extract_range_from_assert): Remove special
10593 handling for types with super-types.
10595 2006-03-01 Ben Elliston <bje@au.ibm.com>
10597 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
10598 and powerpc64-*-linux* configurations.
10599 * config/t-dfprules: New file.
10601 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
10602 Compile dfp-bit.c from the source directory using -DWIDTH and
10603 $DFP_CFLAGS to control the compilation of that file, rather than
10604 generating width-specific versions in the build directory.
10605 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
10606 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
10608 2006-02-28 Zack Weinberg <zackw@panix.com>
10610 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
10613 2006-02-28 Eric Christopher <echristo@apple.com>
10615 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
10616 Set up IN_LIBGCC definition of TARGET_64BIT.
10617 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
10619 2006-02-28 Roger Sayle <roger@eyesopen.com>
10621 PR middle-end/14752
10622 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
10623 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
10624 cases via the construction of "expr != 0".
10626 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
10628 * alias.c (alias_invariant, alias_invariant_size): Remove.
10629 (record_base_value): Remove.
10630 (memrefs_conflict_p): Don't look at alias_invariant.
10631 (end_alias_analysis): Don't free it.
10632 * alias.h (record_base_value): Remove prototype.
10634 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
10635 Adam Nemet <anemet@caviumnetworks.com>
10637 * rtl.h (truncated_to_mode): Declare it.
10638 (struct rtl_hooks): Add reg_truncated_to_mode hook.
10639 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
10640 (RTL_HOOKS_INITIALIZER): Include it.
10641 * rtlhooks.c (reg_truncated_to_mode_general): New function.
10642 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
10643 reg_truncated_to_mode.
10644 * rtlanal.c (truncated_to_mode): Define it.
10645 * simplify-rtx.c (simplify_unary_operation_1): Use it.
10647 2006-02-28 Jeff Law <law@redhat.com>
10649 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
10650 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
10651 the range allowed by TYPE_PRECISION.
10653 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
10655 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
10657 PR tree-optimization/26419
10658 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
10661 2006-02-27 Zack Weinberg <zackw@panix.com>
10663 * doc/md.texi: Fix typo in previous change.
10665 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
10669 2006-02-27 Zack Weinberg <zackw@panix.com>
10671 * rtl.def (define_constraint, define_register_constraint)
10672 (define_memory_constraint, define_address_constraint): New MD forms.
10673 * gensupport.c (process_rtx): Put define_constraint etc on the
10675 * genpreds.c (process_define_predicate): Adjust comment. Validate
10676 the name, and call validate_exp to validate the expression.
10677 (mark_mode_tests, write_extract_subexp): Can assume correct input.
10678 (write_predicate_expr): Likewise. NAME argument no longer necessary;
10679 all callers changed.
10680 (validate_exp, needs_variable, struct constraint_data)
10681 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
10682 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
10683 (const_dbl_constraints, constraint_max_namelen)
10684 (have_register_constraints, have_memory_constraints)
10685 (have_address_constraints, have_address_constraints)
10686 (have_extra_constraints, have_const_int_constraints)
10687 (have_const_dbl_constraints, mangle, add_constraint)
10688 (process_define_constraint, process_define_register_constraint)
10689 (write_enum_constraint_num, write_lookup_constraint)
10690 (write_insn_constraint_len, write_regclass_for_constraint)
10691 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
10692 (write_insn_extra_memory_constraint)
10693 (write_insn_extra_address_constraint)
10694 (write_satisfies_constraint_fns): New.
10695 (write_tm_preds_h): If we have new-style constraint definitions,
10696 prototype the functions generated from them, and define the
10697 old constraint interface (still used by generic code) in terms of
10699 (write_insn_preds_c): If we have new-style constraint definitions,
10700 generate all relevant functions from those definitions.
10701 (main): Handle define_constraint etc.
10702 * genoutput.c (struct constraint_data, indep_constraints)
10703 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
10704 (mdep_constraint_len): New data structures and functions, defined
10705 #ifdef USE_MD_CONSTRAINTS.
10706 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
10707 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
10708 use new logic to validate operand constraints against constraint
10710 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
10712 * defaults.h: If none of the old-style constraint macros are
10713 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
10714 old-style macros; and poison REG_CLASS_FROM_LETTER,
10715 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
10717 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
10718 * doc/md.texi: Document new constraint-definition mechanism and the
10719 C interface it provides. Remove references to old mechanism
10720 elsewhere in the document.
10721 (Machine Constraints): Use pathnames relative to gcc directory,
10722 i.e. config/ARCH/FILE. Change i386 section to refer to
10723 config/i386/predicates.md; update that section to match docstrings.
10724 * doc/tm.texi: Move all documentation of the old constraint-
10725 definition macros to their own section, clearly mark as obsolete.
10727 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
10728 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
10730 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
10731 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
10732 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
10733 constraint strings.
10734 (splits and peepholes): Use satisfies_constraint_*.
10735 * config/i386/i386.c (memory_address_length)
10736 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
10738 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10740 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
10741 scalar operation to be put back into the loop.
10743 2006-02-27 Jakub Jelinek <jakub@redhat.com>
10746 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
10747 (extract_cie_info): Handle S flag in augmentation string.
10748 (execute_cfa_program): If context->signal_frame, execute also
10749 fs->pc == context->ra instructions.
10750 (uw_frame_state_for): If context->signal_frame, don't subtract one
10751 from context->ra to find FDE.
10752 (uw_update_context_1): Set context->signal_frame to
10754 (_Unwind_GetIPInfo): New function.
10755 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
10756 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
10758 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
10759 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
10760 * unwind-compat.c (_Unwind_GetIPInfo): New function.
10761 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
10762 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
10763 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
10764 * config/i386/linux-unwind.h (x86_fallback_frame_state,
10765 x86_64_fallback_frame_state): Set fs->signal_frame.
10766 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
10767 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
10768 (frob_update_context): Likewise. Workaround missing S flag in
10769 Linux 2.6.12 - 2.6.16 kernel vDSOs.
10770 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
10771 Remove the psw_addr + 1 hack.
10773 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10775 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
10776 with aggregates here.
10777 (find_func_aliases): Remove code for &<aggregate> from here.
10779 2006-02-26 Roger Sayle <roger@eyesopen.com>
10781 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
10782 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
10783 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
10784 as (X & C) ne/eq 0.
10786 2006-02-26 Roger Sayle <roger@eyesopen.com>
10788 PR middle-end/19983
10789 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
10791 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
10793 * opts.c (decode_options): Do not handle flag_strength_reduce.
10794 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
10795 and OPT_fstrength_reduce.
10796 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
10797 flag_prefetch_loop_arrays for being nonzero.
10798 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
10800 (fprefetch-loop-arrays-rtl): Removed.
10801 (flag_prefetch_loop_arrays): Do not specify the value.
10803 * doc/passes.texi: Update documentation of loop optimizer
10805 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
10806 -frerun-loop-opt): Remove.
10808 2006-02-26 Richard Guenther <rguenther@suse.de>
10810 PR tree-optimization/26421
10811 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
10812 in function calls that are ADDR_EXPRs as using the whole structure.
10814 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
10816 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
10817 * tree-pass.h (pass_loop_optimize): Remove.
10818 * passes.c (pass_loop_optimize): Never run it.
10819 * toplev.c (backend_init): Don't call init_loop.
10820 * opts.c (flag_loop_optimize_set): Remove.
10821 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
10822 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
10823 the old RTL loop optimizer when profiling enabled.
10824 * predict.c (tree_estimate_probability): Always strip builtin_expect.
10825 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
10826 pre-headers for the sake of the old RTL loop optimizer.
10827 * Makefile.in: Remove all references to loop.o.
10829 * doc/invoke.texi: Remove all references to -floop-optimize
10830 and -frerun-loop-opt.
10832 2006-02-26 Zack Weinberg <zackw@panix.com>
10834 * doc/md.texi (Machine Constraints): Refer to all files with paths
10835 relative to gcc directory (i.e. config/CPU/file). Add missing
10836 @table @code ... @end table to M32C subsection.
10838 2006-02-26 Roger Sayle <roger@eyesopen.com>
10840 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
10842 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
10844 2006-02-26 Roger Sayle <roger@eyesopen.com>
10845 James A. Morrison <phython@gcc.gnu.org>
10847 PR middle-end/21137
10848 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
10849 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
10850 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
10851 signedness of the shift operation.
10853 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
10855 PR tree-optimization/26359
10856 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
10858 2006-02-25 Roger Sayle <roger@eyesopen.com>
10860 * simplify-rtx.c (simplify_relational_operation_1): Simplify
10861 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
10862 as X == 0, and some symmetry related transformations.
10863 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
10865 2006-02-25 Roger Sayle <roger@eyesopen.com>
10867 PR middle-end/23673
10868 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
10869 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
10870 symmetry related transformations. Fold (X^C1) == C2 as
10873 2006-02-25 Juergen Weigert <jw@suse.de>
10874 Richard Guenther <rguenther@suse.de>
10876 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
10878 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
10880 * combine.c (gen_lowpart_or_truncate): Call
10881 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
10883 2006-02-24 Diego Novillo <dnovillo@redhat.com>
10885 * doc/invoke.texi: Move -fopenmp description to "Options for
10887 Remove reference to -lgomp.
10889 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10891 * doc/install.texi: Require GNU tar version 1.14.
10893 2006-02-24 Geoffrey Keating <geoffk@apple.com>
10895 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
10896 * doc/invoke.texi (C++ Dialect Options): Document
10897 -fno-use-cxa-get-exception-ptr.
10898 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
10899 * configure: Regenerate.
10900 * c.opt (fuse-cxa-get-exception-ptr): New.
10901 * c-opts.c (c_common_handle_option): Handle
10902 OPT_fuse_cxa_get_exception_ptr.
10903 * c-common.c (flag_use_cxa_atexit): Update documentation.
10904 (flag_use_cxa_get_exception_ptr): New.
10905 * c-common.h (flag_use_cxa_get_exception_ptr): New.
10906 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
10908 (C_COMMON_OVERRIDE_OPTIONS): New.
10910 2006-02-24 Roger Sayle <roger@eyesopen.com>
10912 PR middle-end/24952
10913 * combine.c (try_combine): Explicitly check whether GET_CODE is
10914 a SET or a CLOBBER, instead on checking that it isn't a USE.
10916 2006-02-24 Roger Sayle <roger@eyesopen.com>
10918 * fold-const.c (fold_comparison): New subroutine of fold_binary
10919 containing transformations common to both the equality and
10920 ordering relational operators, factored out of fold_binary.
10921 (fold_binary): Separate out the equality operators (EQ_EXPR
10922 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
10923 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
10924 transformations common to both.
10925 (fold_div_compare): Fix latent bugs in the previously unreachable
10926 LT_EXPR and GE_EXPR cases.
10928 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10930 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
10931 decl libname for clog to __clog on AIX.
10933 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
10935 2006-02-24 Alan Modra <amodra@bigpond.net.au>
10938 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
10939 output traceback table for thunks. Localise rs6000_stack_info call.
10941 2006-02-23 Roger Sayle <roger@eyesopen.com>
10942 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10944 * gthr-posix.h (__gthrw): Fix typo in comment.
10946 2006-02-23 Geoffrey Keating <geoffk@apple.com>
10948 * doc/cpp.texi (Character sets): Document that we do support
10949 input files to be in any character set.
10951 2006-02-23 Jeff Law <law@redhat.com>
10953 * tree.h (PHI_ARG_NONZERO): Remove.
10954 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
10955 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
10956 node to the new node.
10958 PR tree-optimization/26425
10959 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
10960 min/max, then assume its varying.
10962 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10964 PR rtl-optimization/26316
10965 * rtlanal.c (enum may_trap_p_flags): New.
10966 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
10967 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
10968 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
10969 (may_trap_after_code_motion_p): New function.
10970 * loop-invariant.c (find_identical_invariants): Fix dump formating.
10971 (find_invariant_insn): Use may_trap_after_code_motion_p.
10972 * rtl.h (may_trap_after_code_motion_p): Declare.
10974 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10976 * emit-rtl.c (immed_double_const): Cleanup.
10978 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
10980 Fix PR tree-optimization/26376
10981 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
10984 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10986 PR middle-end/26412
10987 * gimplify.c (omp_add_variable): Guard variable size decl test with
10988 DECL_SIZE (decl) check.
10990 2006-02-23 Richard Guenther <rguenther@suse.de>
10992 PR middle-end/26439
10993 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
10994 like aggregate types.
10996 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10998 * configure.ac: Add --with{,out}-long-double-128 configure option.
10999 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11000 * configure: Rebuilt.
11001 * config.in: Rebuilt.
11002 * doc/install.texi (Options specification): Document
11003 --with-long-double-128.
11005 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11006 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11007 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11008 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11010 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11012 * config/s390/s390.c (override_options): Handle
11013 TARGET_DEFAULT_LONG_DOUBLE_128.
11015 * config/alpha/alpha.c (override_options): Handle
11016 TARGET_DEFAULT_LONG_DOUBLE_128.
11018 * config/sparc/sparc.c (sparc_override_options): Handle
11019 TARGET_DEFAULT_LONG_DOUBLE_128.
11021 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11023 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11024 (real-install-headers-tar, real-install-headers-cpio)
11025 (real-install-headers-cp): New targets.
11027 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11029 * tree.h (variable_section): Delete.
11030 * varasm.c (variable_section): Delete.
11032 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11034 * install.texi: Add notes on install.texi2html.
11035 (Building in parallel): Do not use footnotes.
11037 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11040 * doc/install.texi (Configuration): Document --disable-libgomp.
11042 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11044 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11046 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11048 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11049 (vec_extractv2df_0_sse): New.
11051 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11053 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11054 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11055 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11056 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11057 to the result of the expression.
11058 (def_cfa_1): Adjust.
11059 (frame_pointer_cfa_offset): Rename to...
11060 (frame_pointer_fb_offset): ... this. Adjust all uses.
11061 (convert_cfa_to_loc_list): Rename to...
11062 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11063 Pass it on to build_cfa_loc.
11064 (compute_frame_pointer_to_cfa_displacement): Rename to...
11065 (compute_frame_pointer_to_fb_displacement): ... this. New
11066 offset parameter. Use it in computation.
11067 (gen_subprogram_die): Compute cfa_fb_offset with the new
11068 macro, and use it to compute the fb loc list and the
11071 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11073 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11074 replaced with register_operand.
11075 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11076 non-DREG is expensive.
11077 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11078 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11081 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11083 * doc/install.texi2html: Use set -e.
11085 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11087 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11088 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11089 * doc/invoke.texi (-fshared-data): Delete.
11090 * common.opt (fshared-data): Delete.
11091 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11092 (assemble_static_space): Remove #if 0 code.
11093 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11094 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11095 * config/cris/cris.h: Remove FIXME.
11097 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11099 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11102 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11104 PR middle-end/26379
11105 * combine.c (simplify_shift_const_1): Disable nested shifts
11106 optimization for vector shifts.
11108 2006-02-20 Roger Sayle <roger@eyesopen.com>
11110 PR tree-optimization/26361
11111 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11112 of unsigned integer types.
11114 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11116 * tree-chrec.c (eq_evolutions_p): New.
11117 * tree-chrec.h (eq_evolutions_p): Declared.
11118 * tree-data-ref.c: Fix formatting.
11119 (datadep_stats, dependence_stats): New.
11121 (print_direction_vector): New.
11122 (dump_data_dependence_relation): Use print_direction_vector.
11123 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11124 (compute_subscript_distance): Static.
11125 (initialize_data_dependence_relation): Static. Get the number
11126 of loops surrounding the references from the callers, and initialize
11127 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11128 base_object_differ_p analyzers.
11129 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11130 compute_overlap_steps_for_affine_1_2,
11131 analyze_subscript_affine_affine): Count the classified dependences.
11132 Print a message when a test failed.
11133 (can_use_analyze_subscript_affine_affine): New.
11134 (analyze_siv_subscript): Compute the data dependences on symbolic
11135 scevs that verify can_use_analyze_subscript_affine_affine.
11136 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11137 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11138 Handle symbolic scevs.
11139 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11141 (subscript_dependence_tester): Moved...
11142 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11143 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11144 DDR_SIZE_VECT instead of getting it in parameter.
11145 (subscript_dependence_tester): ... here. Take as a parameter
11146 loop_nest_depth. Call build_classic_dist_vector and
11147 build_classic_dir_vector.
11148 (compute_affine_dependence): Update subscript_dependence_tester
11149 parameters. Update datadep_stats counters. Call
11150 compute_subscript_distance.
11151 (compute_self_dependence): Save the dist and dir vectors. Call
11152 compute_subscript_distance.
11153 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11154 (compute_all_dependences): Reorder parameters as they were before
11155 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11156 compute_subscript_distance. Update the use of
11157 compute_affine_dependence and initialize_data_dependence_relation.
11158 (find_data_references_in_loop): Handle COMPONENT_REF.
11159 (compute_data_dependences_for_loop): Initialize dependence_stats.
11160 Don't call build_classic_dist_vector and build_classic_dir_vector.
11161 Update the parameters of initialize_data_dependence_relation and
11162 compute_all_dependences. Print the statistics from datadep_stats.
11163 (analyze_all_data_dependences): Static. Not used until the pass for
11164 checking the data dependences is contributed.
11165 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11166 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11167 (initialize_data_dependence_relation, compute_affine_dependence,
11168 analyze_all_data_dependences, compute_subscript_distance): Removed.
11169 (print_direction_vector): New.
11170 * lambda.h (gcd): ... here.
11171 (lambda_vector_gcd): Moved here from gcd_vector.
11172 * lambda-code.c (gcd, gcd_vector): Removed.
11173 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11174 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11176 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11178 * ipa-type-escape.c: Tidy some comments and white space.
11179 * tree-ssa-operands.c: Likewise.
11181 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11184 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11185 (dump_decl_name): Do not walk the decl tree chains.
11186 * tree-pass.h (TDF_CHAIN): Remove.
11188 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11190 * Makefile.in (C): Remove
11192 (.PHONY): Remove C and PROTO
11194 2006-02-20 Roger Sayle <roger@eyesopen.com>
11196 PR middle-end/26236
11197 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11198 deprecated CHAR_TYPE tree code.
11200 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11202 * configure.ac (target_list): Add install-info, dvi, html.
11203 * configure: Regenerate.
11205 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11206 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11207 treelang/Make-lang.in: Do not use double-colon rules.
11209 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11211 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11212 (TMT_USED_ALONE): New macro.
11213 * tree-pass.h (PROP_tmt_usage): New property.
11214 (TODO_update_tmt_usage): New todo.
11215 * tree-ssa-alias.c (updating_used_alone): New variable.
11216 (recalculate_used_alone): New function.
11217 (compute_may_aliases): Set updating_used_alone, call
11218 recalculate_used_alone.
11219 * tree-sra.c (pass_sra): Note that this pass destroys
11220 PROP_tmt_usage, and add TODO_update_tmt_usage.
11221 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11222 * tree-flow.h (updating_used_alone): Prototype.
11223 (recalculate_used_alone): Ditto.
11224 * passes.c (execute_todo): Add code to set updating_used_alone,
11225 and call recalculate.
11226 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11227 for clobber if used alone, and add assert to verify used_alone
11230 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11232 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11233 for non tls symbols added.
11234 (legitimize_address): Do nothing for PLUS expressions if one of the
11235 addends is a tls symbol reference.
11237 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11241 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11243 * Makefile.in (BOOTSTRAPPING): New.
11244 (quickstrap): New definition if BOOTSTRAPPING=yes.
11246 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11247 * configure.ac: Substitute all_selected_languages with the languages
11248 that were configured. For all the other variables except
11249 lang_specs_files, include all the languages in the tree.
11250 * configure: Regenerate.
11252 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11253 if there is one. Run the commands to run fixincludes in the same
11256 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11257 * doc/install.texi: Document exact conventions for searching target tools.
11258 Document --with-build-time-tools. Document toplevel bootstrap. Document
11259 something more about building an Ada cross-compiler. Don't list GNU Make
11260 requirements which affect all platforms.
11262 2006-02-19 Roger Sayle <roger@eyesopen.com>
11264 PR middle-end/19543
11265 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
11266 only equivalent if the have both the same mode and precision.
11268 2006-02-20 Ben Elliston <bje@au.ibm.com>
11270 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
11272 2006-02-19 Roger Sayle <roger@eyesopen.com>
11273 Steven Bosscher <stevenb.gcc@gmail.com>
11275 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
11276 constant pool references to identify stack mode constants.
11277 * rtlanal.c (constant_pool_constant_p): New predicate to check
11278 whether operand is a floating point constant in the pool.
11279 * rtl.h (constant_pool_constant_p): Prototype here.
11280 * loop.c (scan_loop): Avoid hoisting constants from the constant
11281 pool on STACK_REGS targets.
11282 (load_mems): Likewise.
11283 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11284 loads into x87 registers expensive in terms of register pressure.
11286 2006-02-19 Roger Sayle <roger@eyesopen.com>
11288 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11289 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11291 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11293 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11294 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11296 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11298 * doc/invoke.texi: Document -fipa-pta.
11299 * common.opt: Add ipa-pta option.
11300 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11301 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11302 (do_ds_constraint): Ditto.
11303 (get_constraint_for): Only add to referenced_vars if
11304 referenced_vars exists.
11305 (insert_into_field_list): Rewrite to do this unsorted.
11306 (insert_into_field_list_sorted): Rename old insert_into_field_list
11308 (create_function_info_for): Use insert_into_field_list_sorted.
11309 (create_variable_info_for): Rewrite so it uses unsorted version,
11310 since the field list is sorted.
11311 (intra_create_variable_infos): Only add to referenced_vars if
11312 referenced_vars exists.
11313 (ipa_pta_execute): Init heapvars, and delete when done.
11314 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11316 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11318 * doc/install.texi: Add missing `@samp'.
11320 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11322 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11325 2006-02-18 Mark Wielaard <mark@klomp.org>
11327 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11328 who added new 4.1 features, bug fixes and integration support.
11330 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11333 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11334 MEM for ABI_V4 pic.
11336 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11338 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11339 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11340 (copy_insn_1): Likewise. Don't copy each field individually.
11342 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
11344 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
11345 * rtl.c (rtx_size): Rename variable to...
11346 (rtx_code_size): ...this.
11347 (rtx_size): New function.
11348 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
11349 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
11351 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
11352 * rtl.h (rtx_code_size): New variable.
11353 (rtx_size): Change from a variable to a function.
11354 (RTX_SIZE): Rename to...
11355 (RTX_CODE_SIZE): ...this.
11358 PR tree-optimization/17106
11359 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
11360 (Anchored Addresses): New section.
11361 * doc/invoke.texi (-fsection-anchors): Document.
11362 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
11363 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
11364 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
11365 * hooks.c (hook_bool_mode_rtx_false): New function.
11366 * hooks.h (hook_bool_mode_rtx_false): Declare.
11367 * gengtype.c (create_optional_field): New function.
11368 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
11369 SYMBOL_REF_IN_BLOCK_P is true.
11370 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
11371 (min_anchor_offset, max_anchor_offset): Likewise.
11372 (use_anchors_for_symbol_p): New hook.
11373 * toplev.c (compile_file): Call output_object_blocks.
11374 (target_supports_section_anchors_p): New function.
11375 (process_options): Check that -fsection-anchors is only used on
11376 targets that support it and when -funit-at-a-time is in effect.
11377 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
11378 if the decl doesn't have one.
11379 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
11380 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
11381 of force_const_mem through use_anchored_address.
11382 (expand_expr_constant): New function.
11383 (expand_expr_addr_expr_1): Call it. Use the same modifier when
11384 calling expand_expr for INDIRECT_REF.
11385 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
11386 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
11387 * expr.h (use_anchored_address): Declare.
11388 * loop-unroll.c: Don't declare rtx vectors here.
11389 * explow.c: Include output.h.
11390 (validize_mem): Call use_anchored_address.
11391 (use_anchored_address): New function.
11392 * common.opt (-fsection-anchors): New switch.
11393 * varasm.c (object_block_htab, anchor_labelno): New variables.
11394 (hash_section, object_block_entry_eq, object_block_entry_hash)
11395 (use_object_blocks_p, get_block_for_section, create_block_symbol)
11396 (use_blocks_for_decl_p, change_symbol_section): New functions.
11397 (get_variable_section): New function, split out from assemble_variable.
11398 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
11399 use_blocks_for_decl_p say so. Use change_symbol_section if the
11400 symbol has already been created.
11401 (assemble_variable_contents): New function, split out from...
11402 (assemble_variable): ...here. Don't output any code for
11403 block symbols; just pass them to place_block_symbol.
11404 Use get_variable_section and assemble_variable_contents.
11405 (get_constant_alignment, get_constant_section, get_constant_size): New
11406 functions, split from output_constant_def_contents.
11407 (build_constant_desc): Create a block symbol if use_object_blocks_p
11408 says so. Or into SYMBOL_REF_FLAGS.
11409 (assemble_constant_contents): New function, split from...
11410 (output_constant_def_contents): ...here. Don't output any code
11411 for block symbols; just pass them to place_section_symbol.
11412 Use get_constant_section and get_constant_alignment.
11413 (force_const_mem): Create a block symbol if use_object_blocks_p and
11414 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
11415 (output_constant_pool_1): Add an explicit alignment argument.
11416 Don't switch sections here.
11417 (output_constant_pool): Adjust call to output_constant_pool_1.
11418 Switch sections here instead. Don't output anything for block symbols;
11419 just pass them to place_block_symbol.
11420 (init_varasm_once): Initialize object_block_htab.
11421 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
11422 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
11423 (place_block_symbol, get_section_anchor, output_object_block)
11424 (output_object_block_htab, output_object_blocks): New functions.
11425 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
11426 (TARGET_ASM_OUT): Include it.
11427 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
11428 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
11429 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
11430 (TARGET_INITIALIZER): Include them.
11431 * rtl.c (rtl_check_failed_block_symbol): New function.
11432 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
11433 (block_symbol, object_block): New structures.
11434 (rtx_def): Add a block_symbol field to the union.
11435 (BLOCK_SYMBOL_CHECK): New macro.
11436 (rtl_check_failed_block_symbol): Declare.
11437 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
11438 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
11439 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
11440 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
11441 * output.h (output_section_symbols): Declare.
11442 (object_block): Name structure.
11443 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
11444 (default_use_anchors_for_symbol_p): Declare.
11445 * Makefile.in (RTL_BASE_H): Add vec.h.
11446 (explow.o): Depend on output.h.
11447 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
11448 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11449 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11450 (rs6000_use_blocks_for_constant_p): New function.
11452 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11454 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
11456 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11459 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
11462 2006-02-18 Diego Novillo <dnovillo@redhat.com>
11464 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
11468 2006-02-18 Jakub Jelinek <jakub@redhat.com>
11470 PR middle-end/26334
11471 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
11472 instead of DECL_REGISTER.
11474 2006-02-18 Olivier Hainque <hainque@adacore.com>
11477 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
11479 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
11482 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
11483 * opth-gen.awk: Handle Var and InverseMask together.
11484 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
11485 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
11486 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
11487 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
11489 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11490 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11491 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
11492 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11493 LINUX_DYNAMIC_LINKER): Define.
11494 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
11495 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
11497 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11498 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
11499 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11500 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11501 (TARGET_C99_FUNCTIONS): Don't define.
11502 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
11503 GLIBC_DYNAMIC_LINKER.
11504 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
11505 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
11506 GLIBC_DYNAMIC_LINKER64): Define.
11507 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11508 LINUX_DYNAMIC_LINKER64.
11509 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11510 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11511 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
11512 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11513 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11514 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11515 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
11516 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
11517 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
11518 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
11519 and LINUX_DYNAMIC_LINKER32.
11520 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11521 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11522 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
11523 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11524 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
11526 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
11527 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
11528 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11529 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11530 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11531 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
11532 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
11533 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
11534 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11535 LINUX_DYNAMIC_LINKER): Define.
11536 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
11537 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
11538 GLIBC_DYNAMIC_LINKER64): Define.
11539 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11540 LINUX_DYNAMIC_LINKER64.
11541 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11542 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11543 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
11544 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11545 LINUX_DYNAMIC_LINKER): Define.
11546 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11547 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11548 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
11549 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
11550 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
11551 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11552 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
11553 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
11554 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11555 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11556 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11557 * doc/invoke.texi (-muclibc): Remove caveat about supported
11560 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
11562 * doc/cpp.texi (__TIMESTAMP__): Document.
11564 2006-02-17 Roger Sayle <roger@eyesopen.com>
11566 PR middle-end/25600
11567 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
11568 C is one less than the width of X (and related transformations).
11569 * simplify-rtx.c (simplify_unary_operation_1): Transform
11570 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
11571 depending on STORE_FLAG_VALUE, were C is one less then the
11574 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
11576 Fix PR tree-optimization/26341
11577 * tree-ssa-operands.c (add_virtual_operand): Remove assert
11578 about NAME_MEMORY_TAG's.
11580 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11583 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
11584 with hardware float support, and software float support. Add fcpy
11585 alternative to hardware patterns. Add alternatives to copy between
11586 general and floating-point registers to the 32-bit pattern.
11587 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
11588 secondary reload to load a QI or HI mode constant into a floating
11590 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
11591 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
11593 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
11596 * config/rs6000/darwin.md (load_macho_picbase_si): Add
11598 (load_macho_picbase_di): Likewise.
11600 2006-02-16 Jeff Law <law@redhat.com>
11602 * tree-vrp.c (set_value_range_to_nonnegative): New function.
11603 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
11604 (ssa_name_nonzero_p): Likewise.
11605 (get_value_range): Return NULL if VRP is not running.
11606 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
11607 VRP routines do not discover a range.
11608 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
11609 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
11610 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
11611 (tree_expr_nonnegative_p): Similarly.
11612 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
11613 (restore_nonzero_vars_to_original_value): Remove.
11614 (unsafe_associative_fp_binop): Remove.
11615 (tree_ssa_dominator_optimize): Remove initialization and
11616 finalization of nonzero_vars and nonzero_vars_stack.
11617 (dom_opt_initialize_block): No longer push marker on
11618 nonzero_vars_stack.
11619 (dom_opt_finalize_block): No longer call
11620 restore_nonzero_vars_to_original_value.
11621 (record_equivalences_from_phis): No longer look for
11622 nonzero PHI arguments.
11623 (cprop_into_successor_phis): No longer propagate nonzero
11624 property into PHI arguments. Lose unused argument. Caller
11626 (record_equivalences_from_stmt): No longer record nonzero
11627 values for SSA_NAMEs.
11628 (lookup_avail_expr): No longer use nonzero_vars.
11630 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
11631 for sizetype when sizetype is unsigned.
11633 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
11635 PR rtl-optimization/25603
11636 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
11637 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
11638 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
11639 with new meaning of SETS.
11641 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
11646 * config/linux.opt: New file.
11647 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
11648 LINUX_DYNAMIC_LINKER): Define.
11649 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
11650 * config.gcc (*-*-linux*): Define extra_options.
11651 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
11652 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
11653 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
11654 GLIBC_DYNAMIC_LINKER.
11655 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
11656 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11657 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11658 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11659 * doc/invoke.texi (GNU/Linux Options): New section.
11661 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
11663 * config/sparc/sparc.md (setjmp): Rewrite.
11664 (setjmp_32): Delete.
11665 (setjmp_64): Likewise.
11667 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
11669 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
11672 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11674 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
11677 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11679 PR rtl-optimization/26296
11680 * Makefile.in (loop-invariant.c): Add except.h dependency.
11681 * loop-invariant.c: Include except.h.
11682 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
11684 2005-02-16 Paul Brook <paul@codesourcery.com>
11686 * reload1.c (emit_reload_insns): Invalidate dead input registers used
11689 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
11691 PR rtl-optimization/25636
11692 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
11693 when deciding whether an insn is an initializing insn.
11695 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
11697 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
11698 (tree_code_size): Ditto.
11699 * tree.h (struct tree_memory_tag): Remove parent_var.
11700 (struct tree_struct_field_tag): New.
11703 (union tree_node): Add sft member.
11704 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
11706 (create_sft): Add size and offset argument, set SFT_OFFSET and
11708 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
11709 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
11710 * tree-flow-inline.h (get_subvar_at): Update for
11711 SFT_OFFSET/SFT_SIZE.
11712 (var_can_have_subvars): Ditto.
11713 (overlap_subvar): Ditto.
11714 * print-tree.c (print_node): Print out interesting things for
11716 * tree-flow.h (struct subvar): Remove offset and size members.
11717 * tree-ssa-operands.c (get_expr_operands): Update for
11718 get_indirect_ref_operands changes.
11719 (get_indirect_ref_operands): Call add_virtual_operand instead of
11720 add_stmt_operand. Only recurse on base var if requested.
11721 (access_can_touch_variable): New function.
11722 (add_stmt_operand): Split virtual operand handling into ...
11723 (add_virtual_operand): Here. Add offset, size, and for_clobber
11724 arguments. Prune alias sets.
11725 (add_call_clobber_ops): Call add_virtual_operand.
11727 2006-02-15 Jakub Jelinek <jakub@redhat.com>
11729 PR middle-end/26300
11730 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
11732 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
11733 than TREE_CODE as index into omp_clause_num_ops array.
11735 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
11737 PR rtl-optimization/26184
11738 * modulo-sched.c (generate_reg_moves): Free bitmap vector
11740 * modulo-sched.c (sms_schedule): Free g_arr pointer.
11741 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
11742 must_precede, must_follow and tobe_scheduled.
11745 * opts.c (common_handle_option): Free new_option pointer.
11746 * df-core.c (df_analyze): Free postorder pointer.
11748 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11750 * Makefile.in: Fix the examples about the use of stamps
11752 2006-02-15 Michael Matz <matz@suse.de>
11754 PR middle-end/22275
11756 * stor-layout.c (layout_decl): Zero-width bitfields aren't
11757 influenced by maximum_field_alignment or DECL_PACKED.
11758 (update_alignment_for_field): Ditto.
11759 (place_field): Ditto.
11760 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
11763 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
11765 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
11766 (debug_flow_info): Pass it.
11767 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
11768 * bb-reorder.c (reorder_basic_blocks): Likewise.
11769 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
11770 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
11771 * flow.c (life_analysis, recompute_reg_usage): Likewise.
11772 * gcse.c (gcse_main, bypass_jumps): Likewise.
11773 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
11774 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
11775 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
11776 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
11777 * rtl.h (dump_flow_info): Adjust prototype.
11778 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
11779 * var-tracking.c (variable_tracking_main): Likewise.
11780 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
11781 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
11784 2006-02-15 Marcin Dalecki <martin@dalecki.de>
11786 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
11789 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11791 PR tree-optimization/26209
11792 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
11793 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
11795 * tree-cfg.c (replace_uses_by): Do not alter cfg.
11797 2006-02-14 Roger Sayle <roger@eyesopen.com>
11799 PR middle-end/23670
11800 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
11801 (X,Y) and the corresponding symmetry related transformations.
11802 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
11803 (X,Y) and its symmetry related transformations.
11805 2006-02-14 Roger Sayle <roger@eyesopen.com>
11807 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
11810 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
11812 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
11814 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11817 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
11818 support COMDAT group.
11819 * configure: Regenerate.
11821 2006-02-14 Roger Sayle <roger@eyesopen.com>
11823 PR middle-end/26279
11824 PR middle-end/26280
11825 PR middle-end/26283
11826 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
11828 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
11830 Fix PR tree-optimization/26260
11832 * doc/invoke.texi (max-fields-for-field-sensitive): Document
11834 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
11835 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
11836 * tree-ssa-structalias.c (create_variable_info_for): Use
11837 MAX_FIELDS_FOR_FIELD_SENSITIVE.
11839 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11841 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
11843 * tree-ssa-loop-niter.c (number_of_iterations_ne,
11844 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
11845 of the ending condition.
11846 * tree-ssa-loop-manip.c: Include params.h.
11847 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
11848 tree_unroll_loop): New functions.
11849 * tree-pass.h (pass_loop_prefetch): Declare.
11850 * loop.c (rest_of_handle_loop_optimize): Test for
11851 -fprefetch-loop-arrays-rtl.
11852 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
11853 * timevar.def (TV_TREE_PREFETCH): New timevar.
11854 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
11855 pass_loop_prefetch): New.
11856 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
11857 (cleanup_tree_cfg_loop): Call scev_reset.
11858 * common.opt (fprefetch-loop-arrays-rtl): Add.
11859 * tree-ssa-loop-prefetch.c: New file.
11860 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
11861 (new_temp_expr_table): Initialize expr_vars.
11862 (free_temp_expr_table): Cleanup expr_vars.
11863 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
11864 expressions from being merged into one.
11865 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
11866 (struct tree_niter_desc): Add control, bound and cmp fields.
11867 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
11869 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
11870 (tree-cfgcleanup.o): Add SCEV_H dependency.
11871 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
11872 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
11874 2006-02-14 Richard Guenther <rguenther@suse.de>
11876 PR tree-optimization/26258
11877 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
11878 in PHI argument processing.
11880 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
11882 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
11883 new expression in the requested machine mode.
11885 2006-02-13 Roger Sayle <roger@eyesopen.com>
11887 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
11888 directly, instead let do_compare_rtx_and_jump handle this for us.
11889 * expr.c (expand_expr_real_1): Likewise.
11890 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
11891 before do_jump_by_parts_greater.
11892 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
11893 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
11895 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11897 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
11899 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11901 PR rtl-optimization/26235
11902 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
11903 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
11906 2006-02-13 Jeff Law <law@redhat.com>
11908 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
11911 2006-02-13 Jakub Jelinek <jakub@redhat.com>
11913 PR middle-end/26092
11914 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
11915 twice if decl is a builtin. When trying again, call get_callee_fndecl
11916 first to verify it is still a builtin.
11918 2006-02-13 Geoffrey Keating <geoffk@apple.com>
11920 * dwarf2out.c (base_type_die): Don't add AT_name here.
11921 (subrange_type_die): Don't add AT_name here.
11922 (modified_type_die): Rearrange code flow. Do add AT_name here.
11924 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11926 PR rtl-optimization/26247
11927 PR rtl-optimization/26248
11928 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
11930 2006-02-13 Richard Sandiford <richard@codesourcery.com>
11932 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
11933 * config/fixtfdi.c: Likewise.
11934 * config/fixunstfdi.c: Likewise.
11935 * config/floatditf.c: Likewise.
11937 2006-02-13 Roger Sayle <roger@eyesopen.com>
11939 PR middle-end/24427
11940 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
11941 into (X,C2) if C1 is a subset of the bits of C2. Transform
11942 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
11944 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
11946 2006-02-13 Josh Conner <jconner@apple.com>
11949 * varasm.c (function_section): Check for section name before
11950 calling select_section on targets that define
11951 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
11952 unlikely_text_section instead of hot_function_section if
11953 first_function_block_is_cold.
11955 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
11957 PR middle-end/25335
11958 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
11960 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11962 PR rtl-optimization/26222
11963 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
11964 after tree->rtl expansion.
11965 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
11966 before passing it to emit_move_insn.
11968 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
11970 * doc/invoke.texi (-Write-strings): Document that it is enabled by
11972 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
11973 Clarify documentation.
11974 * c-common.h (warn_write_strings): Remove.
11975 * c-common.c (warn_write_strings): Likewise.
11976 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
11979 2006-02-12 Roger Sayle <roger@eyesopen.com>
11981 PR middle-end/25724
11982 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
11983 (do_jump_parts_zero_rtx): New function renamed from
11984 do_jump_parts_equality_rtx. Made static. Add a mode argument.
11985 (do_jump_parts_equality_rtx): New function split out from
11986 do_jump_parts_equality. Old implementation renamed as above.
11987 Call do_jump_parts_zero_rtx if either operand is zero.
11988 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
11989 do all of the heavy lifting.
11990 (do_compare_rtx_and_jump): Handle multi-word comparisons by
11991 calling either do_jump_by_parts_greater_rtx or
11992 do_jump_by_parts_equality_rtx.
11993 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
11994 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
11995 moved to do_compare_rtx_and_jump, call it directly.
11996 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
11997 mode argument. Call do_compare_rtx_and_jump.
11998 (emit_case_nodes): Update calls to do_jump_if_equal.
12000 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12002 PR rtl-optimization/26225
12003 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12005 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12007 PR rtl-optimization/26232
12008 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12010 2006-02-11 Jason Merrill <jason@redhat.com>
12013 * tree-inline.c (declare_return_variable): Just don't use the
12014 modify target if it's a gimple complex reg and the return slot
12017 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12019 * doc/contrib.texi: Update my entry.
12021 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12023 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12025 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12027 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12030 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12032 * doc/invoke.texi (-floop-optimize2): Removed.
12033 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12034 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12035 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12036 * common.opt (floop-optimize2): Removed.
12037 (fmove-loop-invariants): Enabled by default.
12039 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12041 * tree-if-conv.c (combine_blocks): Free the result of
12042 get_loop_exit_edges.
12044 2006-02-10 Jeff Law <law@redhat.com>
12046 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12048 PR tree-optimization/26213
12049 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12050 loop trying to follow SSA_NAME_VALUE chains.
12052 2006-02-10 Richard Guenther <rguenther@suse.de>
12054 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12055 deal with structures that end in implicitly variable sized arrays.
12057 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12059 PR rtl-optimization/24762
12060 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12063 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12065 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12066 (struct ivopts_data): Add regs_used field.
12067 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12068 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12069 instead of loop_data->regs_used;
12070 (free_loop_data): Do not free aux fields for loops.
12071 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12072 and tree_ssa_iv_optimize_finalize.
12074 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12076 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12078 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12081 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12082 computing the effective result type.
12084 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12086 PR inline-asm/16194
12087 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12088 (tree_overlaps_hard_reg_set): Declare.
12089 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12090 type and signature to match function type expected by walk_tree.
12091 (tree_overlaps_hard_reg_set): New function.
12092 (decl_conflicts_with_clobbers_p): Rename to:
12093 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12094 Use tree_overlaps_hard_reg_set. Changed caller.
12095 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12096 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12097 * cris.c (cris_md_asm_clobbers): Likewise.
12099 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12101 * reload1.c (emit_input_reload_insns): Delete code that tries to
12102 inherit using find_equiv_reg.
12104 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12106 * c-common.h (flag_const_strings): Don't declare.
12107 * c-common.c (flag_const_strings): Remove.
12108 * c.opt (fconst_strings): Remove.
12109 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12110 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12111 (c_common_init_options): Don't set flag_const_strings.
12112 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12114 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12116 * arm.md (tlobits_cbranch): New pattern.
12117 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12118 testing a single bit.
12120 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12123 * tree-ssa-pre.c (create_component_ref_by_pieces):
12124 Handle RETURN_DECL like VAR_DECL.
12126 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12128 PR middle-end/26134
12129 * fold-const.c (fold_indirect_ref_1): Fold
12130 "*(foo *)&complexfoo" to "__real__ complexfoo"
12131 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12133 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12135 * tree-flow-inline.h (var_can_have_subvars):
12136 Volatile variables should not have subvariables.
12138 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12141 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12142 multiplying unsigned values.
12145 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12147 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12149 2006-02-08 Jason Merrill <jason@redhat.com>
12152 * tree.def: Elaborate on difference from MODIFY_EXPR.
12153 * doc/c-tree.texi (INIT_EXPR): Likewise.
12154 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12155 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12156 (gimplify_target_expr): Likewise.
12157 (gimplify_cond_expr): Remove target handling.
12158 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12159 (gimplify_expr): Clobber it here.
12160 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12161 Do return slot optimization if we have an INIT_EXPR.
12164 * tree-inline.c (declare_return_variable): Also clear
12165 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12168 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12170 PR middle-end/22439
12171 * gimplify.c (gimplify_one_sizepos): Fix typo.
12173 2006-02-08 Jeff Law <law@redhat.com>
12175 PR tree-optimization/21417
12176 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12177 across a backedge if the control statement at the end of the
12178 block is data dependent on other statements in the same block.
12179 (record_temporary_equivalences_from_stmts): Remove over-conservative
12180 test for threading across backedges.
12182 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12183 control statement, handle all three special cases in the same
12184 manner as they all have the same desired solution. No longer
12185 special case edge flag updating when the post dominator is
12188 2006-02-08 Roger Sayle <roger@eyesopen.com>
12190 * tree.def (CHAR_TYPE): Remove.
12191 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12192 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12193 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12194 (gen_string_type_die): Delete unreachable function.
12196 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12197 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12198 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12199 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12200 * builtins.c (type_to_class): Likewise.
12201 * fold-const.c (fold_convert, build_range_check,
12202 merge_ranges): Likewise.
12203 * expr.c (count_type_elements): Likewise.
12204 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12205 * stor-layout.c (layout_type): Likewise.
12206 * ipa-type-escape.c (type_to_consider): Likewise.
12207 * gimplify.c (omp_firstprivatize_type_sizes,
12208 gimplify_type_sizes): Likewise.
12209 * explow.c (promote_mode): Likewise.
12210 * tree-sra.c (is_sra_scalar_type): Likewise.
12211 * varasm.c (output_constant): Likewise.
12212 * tree-inline.c (remap_type_1): Likewise.
12213 * convert.c (convert_to_pointer, convert_to_real,
12214 convert_to_integer, convert_to_complex): Likewise.
12216 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12218 * df-scan.c (df_def_record_1): A set destination may
12219 be a parallel regardless of mode.
12221 2006-02-08 Roger Sayle <roger@eyesopen.com>
12224 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12225 * config/mips/_tilib.c: Remove.
12226 * config/fixtfdi.c: New libgcc source file.
12227 * config/fixunstfdi.c: New source file.
12228 * config/floatditf.c: New source file.
12229 * config/floatunditf.c: New souce file.
12230 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12231 files above instead of config/mips/_tilib.c.
12232 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12234 2006-02-08 Jeff Law <law@redhat.com>
12236 PR tree-optimization/26169
12237 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12240 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12242 * df.h (DF_REG_SIZE): Return the length of the initialized
12245 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12247 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12248 __muldf3): Return a correctly signed zero.
12250 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12252 * passes.c (register_one_dump_file): Accept the current properties
12253 instead of pass number. Adjust call to dump_register. Remove
12255 (register_dump_files): Now a wrapper around...
12256 (register_dump_files_1): ... this one. Do not modify the pass
12258 (next_pass_1): Cosmetic fix.
12259 (execute_todo): Keep second parameter only. Use curr_properties
12260 instead of fetching it from the pass structure. Check and set
12262 (execute_one_pass): Handle TODO_set_props. Use curr_properties
12263 instead of fetching it from the pass structure. Fix calls to
12264 execute_todo. Update curr_properties and initialize .vcg RTL dump
12265 after running the pass. Reset last_verified.
12266 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
12268 (FIRST_AUTO_NUMBERED_DUMP): New.
12269 (dump_register): Remove "num" parameter, assign it within the
12271 (get_dump_file_name): Modify template for dumps.
12272 * tree-dump.h (dump_register): Adjust prototype.
12273 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
12274 (PROP_trees): Add PROP_gimple_lomp.
12275 (TODO_set_props): New.
12276 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
12277 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
12278 * cfgexpand.c (pass_expand): Destroy PROP_trees.
12280 2006-02-08 Jakub Jelinek <jakub@redhat.com>
12282 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
12283 (sparc64-*-linux*): Likewise.
12284 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12285 * config/sparc/t-linux: New file.
12286 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12287 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12288 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12289 -m32 -mlong-double-128.
12291 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12292 * config/alpha/t-linux: New file.
12293 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12295 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12296 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12297 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12298 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12299 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12300 (CPP_ARCH32_SPEC): Remove.
12302 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12304 PR tree-optimization/26145
12305 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12308 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12311 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12312 >= 240000 when generating code for SOM runtime.
12313 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12314 to $$dyncall when generating code for SOM runtime..
12316 2006-02-07 Dirk Mueller <dmueller@suse.com>
12319 * doc/invoke.texi (-Wsequence-point): Update documentation
12320 that -Wsequence-point is implemented for C++ as well.
12322 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12324 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12325 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12326 (LIB_SPEC): Likewise.
12327 * doc/invoke.texi (SPARC options): Document -pthread.
12329 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12331 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12334 2006-02-07 Roger Sayle <roger@eyesopen.com>
12336 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12337 Correct comment describing BOOLEAN_TYPE.
12339 2006-02-07 Dirk Mueller <dmueller@suse.com>
12341 * c.opt: C++ frontend supports -Wdiv-by-zero.
12342 * c-opts.c (c_common_handle_option): Remove dead case.
12344 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12346 * configure.ac (TLS assembler check): Do not enable TLS by
12347 default on SPARC/Solaris before version 10.
12348 * configure: Regenerate.
12350 2006-02-07 David Edelsohn <edelsohn@gnu.org>
12352 * doc/invoke.texi (xl-compat): Document conversion and support
12355 2006-02-07 Jeff Law <law@redhat.com>
12357 * tree-vrp.c (find_conditional_asserts): Update comments.
12358 (simplify_stmt_for_jump_threading): New.
12359 (identify_jump_threads, finalize_jump_threads): New.
12360 (vrp_finalize): Call identify_jump_threads.
12361 (execute_vrp): Call finalize_jump_threads.
12362 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
12363 (vrp_element, vrp_data, vrp_element_p): Remove.
12364 (vrp_hash_elt, vrp_variables_stack): Remove.
12365 (vrp_hash, vrp_eq, record_range): Remove.
12366 (simplify_cond_and_lookup_avail_expr): Remove.
12367 (extract_range_from_cond): Remove.
12368 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
12369 (simplify_stmt_for_jump_threading): New.
12370 (dom_thread_across_edge): New wrapper.
12371 (tree_ssa_dominator_optimize): No longer initialize or
12372 finalize any of the VRP datastructures. Remove iteration
12373 step and simplify as a result of removal of iteration step.
12374 (pass_dominator): Perform a cfg cleanup after DOM.
12375 (dom_opt_finalize_block): Use the new common routines
12376 for threading jumps. Simplify stack management slightly.
12377 No longer need to unwind VRP state.
12378 (record_equivalences_from_incoming_edge): No longer record
12380 (eliminate_redundant_computations): No longer call
12381 simplify_cond_and_lookup_avail_expr.
12382 * tree-flow.h (potentially_threadable_block): Prototype.
12383 (thread_across_edge): Likewise.
12384 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
12385 (tree-ssa-threadedge.o): Add dependencies.
12386 * tree-ssa-threadedge.c: New file.
12387 * passes.c (init_optimization_passes): Merge PHIs before
12388 calling VRP. Run VRP again late in the SSA optimization pipeline.
12390 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12392 * df-core.c (df_set_blocks): Do not dereference function pointers.
12393 (df_finish1): Likewise.
12394 (df_hybrid_search_forward): Likewise.
12395 (df_hybrid_search_backward): Likewise.
12396 (df_iterative_dataflow): Likewise.
12397 (df_analyze_problem): Likewise.
12398 (df_compact_blocks): Likewise.
12399 (df_dump): Likewise.
12400 * df-scan.c (df_rescan_blocks): Likewise.
12401 (df_record_entry_block_defs): Likewise.
12403 * genconditions.c (write_conditions): Guard the definition of
12404 'insn_conditions' with the check on GCC version.
12405 (write_writer): Guard the traversal 'insn_conditions' with
12406 the check on GCC version.
12408 2006-02-07 Richard Guenther <rguenther@suse.de>
12412 2006-01-30 Richard Guenther <rguenther@suse.de>
12414 * gimplify.c (gimplify_target_expr): Handle easy cases
12415 without creating a temporary.
12417 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
12419 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
12420 use of float in probability computations. Use edge probabilities
12421 in place of statically computed probabilities.
12422 (min_spec_prob): New static variable.
12423 (schedule_insns): Initialize it.
12424 (GET_SRC_PROB): Removed.
12425 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
12427 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
12430 * config/ia64/unwind-ia64.c: Revert last change.
12431 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
12432 (INCOMING_FRAME_SP_OFFSET): Define.
12434 2006-02-06 Roger Sayle <roger@eyesopen.com>
12436 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
12438 2006-02-07 Ben Elliston <bje@au.ibm.com>
12440 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
12441 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
12442 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
12443 (ix86_return_in_memory): Handle TDmode.
12444 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
12445 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
12447 2006-02-06 Richard Sandiford <richard@codesourcery.com>
12449 * reorg.c (dbr_schedule): Use dump_file instead of file.
12451 2006-02-06 Steve Ellcey <sje@cup.hp.com>
12454 * config/ia64/predicates.md (extr_len_operand): New predicate.
12455 * config/ia64/ia64.md (extv): Tighten constraints.
12457 (*tbit_and_2): Ditto.
12458 (*tbit_and_3): Ditto.
12459 (*tbit_or_2): Ditto.
12460 (*tbit_or_3): Ditto.
12461 (*bit_zero): Ditto.
12464 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
12467 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
12469 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
12471 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
12472 loop_optimizer_init and loop_optimizer_finalize
12473 * tree-ssa-sink.c (execute_sink_code): Ditto.
12474 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12475 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
12476 tree_ssa_loop_done): Ditto.
12477 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
12478 * sched-ebb.c: Include output.h.
12479 (schedule_ebbs): Do not use dump argument.
12480 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
12481 * loop.c (loop_dump_stream): Removed.
12482 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
12484 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
12485 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
12486 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
12487 loop_iterations, strength_reduce, record_biv, record_giv,
12488 final_giv_value, check_final_value, check_ext_dependent_givs,
12489 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
12490 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
12491 dump_file instead of loop_dump_stream.
12492 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
12493 argument dump_file.
12494 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
12496 * flow.c (life_analysis, rest_of_handle_life): Ditto.
12497 * haifa-sched.c: Include output.h
12498 (schedule_insns, sched_init): Do not use dump argument.
12499 * mode-switching.c (optimize_mode_switching): Ditto.
12500 * modulo-sched.c (stats_file): Removed.
12501 (print_node_sched_params): Do not call argument dump_file.
12502 (sms_schedule_by_order, loop_canon_p, sms_schedule,
12503 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
12505 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
12507 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
12508 rtl_loop_init, rtl_loop_done): Ditto.
12509 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
12510 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
12512 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
12513 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
12514 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
12515 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
12516 * emit-rtl.c (renumber_insns): Ditto.
12517 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
12518 expand_gimple_basic_block, tree_expand_cfg): Ditto.
12519 * regclass.c (regclass): Ditto.
12520 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
12521 remove_ssa_form, rewrite_out_of_ssa): Ditto.
12522 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
12523 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
12525 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
12526 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
12528 * gcse.c (gcse_file, debug_stderr): Removed.
12529 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
12530 rest_of_handle_gcse): Do not use dump argument.
12531 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
12532 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
12533 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
12534 compute_code_hoist_vbeinout, compute_code_hoist_data,
12535 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
12536 compute_store_table, build_store_vectors, insert_insn_start_bb,
12537 insert_store, remove_reachable_equiv_notes, replace_store_insn,
12538 store_motion): Use dump_file instead of gcse_file.
12539 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
12540 * profile.c (profile_dump_file): Removed.
12541 (branch_prob): Use dump_file instead of profile_dump_file.
12542 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
12544 * tree-ssa-copy.c (dump_copy_of): Ditto.
12545 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
12546 dump file to life_analysis.
12547 * bt-load.c (branch_target_load_optimize): Ditto.
12548 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
12550 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
12551 regclass, dbr_schedule): Declaration changed.
12552 * sched-int.h (sched_init): Declaration changed.
12553 * tree-profile.c (tree_profile_dump_file): Removed.
12554 (tree_profile_hooks): Removed profile_dump_file hook.
12555 * rtl-profile (rtl_profile_dump_file): Removed.
12556 (rtl_profile_hooks): emoved profile_dump_file hook.
12557 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
12559 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
12560 * tree-cfg.c (build_tree_cfg): Ditto.
12561 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
12562 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
12563 Declaration changed.
12564 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
12565 life_analysis and schedule_insns.
12566 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
12568 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
12570 * config/mips/mips.c (mips_reorg): Ditto.
12571 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
12574 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
12576 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12577 (s390_mangle_fundamental_type): New.
12578 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12581 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12582 (alpha_mangle_fundamental_type): New.
12583 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12586 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12588 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12590 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12591 (sparc_mangle_fundamental_type): New.
12593 2006-02-06 Jakub Jelinek <jakub@redhat.com>
12595 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
12596 (s390x-*-linux*): Likewise.
12597 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
12598 * config/s390/t-linux: New file.
12600 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12602 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
12603 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
12605 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
12607 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
12608 (ANTIC_SAFE_LOADS): New macro.
12609 (find_or_generate_expression): Add prototype.
12610 (set_contains_value): Allow null set for sake of not always having
12611 to allocate ANTIC_SAFE_LOADS.
12612 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
12613 Allow COMPONENT_REF too.
12614 (valid_in_set): Allow COMPONENT_REF.
12615 Check ANTIC_SAFE_LOADS too.
12616 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
12617 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
12619 (can_PRE_operation): Add COMPONENT_REF.
12620 (create_component_ref_by_pieces): New function.
12621 (create_expression_by_pieces): Use create_component_ref_by_pieces.
12622 (insert_aux): Move AGGREGATE_TYPE_P check here.
12623 (compute_avail): Set bb local stmt uids.
12624 (pass_pre): Use TODO_update_ssa_only_virtuals.
12626 2006-02-06 Ben Elliston <bje@au.ibm.com>
12628 * configure.ac: Unconditionally disable decimal float by default.
12629 * configure: Regenerate.
12631 2006-02-06 Ben Elliston <bje@au.ibm.com>
12633 * read-rtl.c (read_name): Terminate reading on EOF.
12635 2006-02-06 Ben Elliston <bje@au.ibm.com>
12637 * dfp.c (decimal_real_arithmetic): Change second argument type
12638 from int to enum tree_code. Do not always return true, but now
12639 return result of any call to decimal_do helper functions.
12640 * dfp.h (decimal_real_arithmetic): Update prototype.
12642 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
12644 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
12646 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
12649 * tree-cfg.c (cleanup_dead_labels): Also don't remove
12652 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12654 * tree-vrp.c (cfg_loops): Removed.
12655 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
12656 Use current_loops instead of cfg_loops. Pass flags to
12657 loop_optimizer_init.
12658 * cfgloopmanip.c (fix_loop_structure): Update only available
12660 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
12661 loop_optimizer_init.
12662 * modulo-sched.c (build_loops_structure): Removed.
12663 (sms_schedule): Use loop_optimizer_init.
12664 * loop-init.c (loop_optimizer_init): Use flags to determine
12665 which properties of loops to prepare.
12666 (rtl_loop_init): Pass flags to loop_optimizer_init.
12667 * tree-ssa-sink.c (execute_sink_code): Ditto.
12668 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
12669 * tree-ssa-pre.c (init_pre): Ditto.
12670 * cfgloop.h (LOOPS_NORMAL): New.
12671 (loop_optimizer_init): Declaration changed.
12673 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12675 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
12676 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
12678 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
12680 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
12682 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
12683 * pa/t-pa64: Delete quadlib.c rule.
12684 * pa/x-ada: Revert last change.
12685 * pa/t-pa: Revert last change. Delete quadlib.c rule.
12687 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12689 PR rtl-optimization/26087
12690 * rtlanal.c (canonicalize_condition): Do not cross basic block
12693 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
12696 * config/ia64/ia64.c: Include debug.h.
12697 (MAX_ARTIFICIAL_LABEL_BYTES): New.
12698 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
12699 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
12700 (process_epilogue, process_set, process_for_unwind_directive):
12701 Output unwind info only if requested. Add CFA info if requested.
12702 Add new arguments as needed. Adjust callers.
12703 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
12705 (DWARF2_FRAME_INFO): Define to zero.
12706 * config/ia64/unwind-ia64.c: Remove code that compensated for
12707 the CFA offset error fixed above.
12708 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
12709 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
12710 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
12711 -funwind-tables and -fexceptions to enable frame info.
12712 (dwarf2out_frame_init): Define initial CFA even if
12713 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
12714 DWARF2_UNWIND_INFO is nonzero, not just defined.
12715 (dwarf2out_frame_finish): Output non-EH call frame info only
12716 if DWARF2_FRAME_INFO is nonzero.
12717 (convert_cfa_to_loc_list,
12718 compute_frame_pointer_to_cfa_displacement): Define even if
12719 unwind info is not supported.
12720 (gen_subprogram_die): Use the above unconditionally. Remove
12721 legacy alternate code.
12722 * toplev.c (compile_file): Compile in call to
12723 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
12724 (lang_dependent_init): Ditto for dwarf2out_frame_init.
12726 2006-02-04 David Edelsohn <edelsohn@gnu.org>
12727 Jakub Jelinek <jakub@redhat.com>
12729 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
12730 IBM extended float format long double as "g" on powerpc*-linux.
12732 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12735 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
12736 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
12738 2006-02-03 Jason Merrill <jason@redhat.com>
12741 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
12743 PR middle-end/25977
12744 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
12745 on the return slot if it's an NRV.
12747 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
12749 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
12750 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
12751 rewrite_use): Do not handle USE_OUTER.
12752 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
12753 add_iv_outer_candidates, may_replace_final_value,
12754 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
12755 (find_interesting_uses_op): Functionality of
12756 find_interesting_uses_outer_or_nonlin moved here.
12757 (find_interesting_uses_outside): Use find_interesting_uses_op.
12759 2006-02-03 Alan Modra <amodra@bigpond.net.au>
12762 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
12764 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
12765 Ulrich Weigand <uweigand@de.ibm.com>
12768 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
12769 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
12770 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
12771 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
12773 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
12774 (s390_rtx_costs): Use the new fields to calculate rtx costs.
12775 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
12776 Define secondary reloads for TFmode moves.
12777 (constant_modes): Add TFmode.
12778 (NR_C_MODES): Set to 8.
12779 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
12781 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
12782 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
12783 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
12784 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
12785 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
12786 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
12787 (FPR mode macro): Add TFmode.
12788 (DSF mode macro): New.
12789 (<de>, <dee> mode attributes): Removed.
12790 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
12791 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
12792 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
12793 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
12794 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
12795 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
12796 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
12797 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
12798 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
12799 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
12800 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
12801 "*negabs<mode>2", "sqrt<mode>2"):
12802 Changed <de> to <xde>. R constraint replaced by <Rf>.
12803 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
12805 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
12806 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
12807 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
12809 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
12810 "extenddftf2", "extendsftf2"): New expanders.
12811 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
12812 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
12813 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
12814 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
12816 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
12817 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
12818 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
12819 __floatditf): Add a GCC_4.1.0 symbol version tag.
12820 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
12823 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
12826 * config/i386/i386.c (ix86_function_ok_for_sibcall):
12827 Use targetm.binds_local_p instead of TREE_PUBLIC.
12829 2006-02-02 Roger Sayle <roger@eyesopen.com>
12831 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
12832 on INTEGER_TYPEs to indicate that it denotes a character type.
12833 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
12834 signed_char_type_node, unsigned_char_type_node and char_type_node.
12835 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
12836 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
12837 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
12839 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
12840 Daniel Berlin <dberlin@dberlin.org>
12842 * tree-tailcall.c (arg_needs_copy_p): New function.
12843 (eliminate_tail_call): Use arg_needs_copy_p.
12844 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
12845 (add_virtual_phis): New function.
12847 2006-02-02 Jakub Jelinek <jakub@redhat.com>
12849 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
12850 #ignore instead of #scratch for %g7 .register directive.
12852 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
12854 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
12857 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12859 * flow.c (calculate_global_regs_live): Assert that there aren't any
12862 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
12864 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
12865 what its name says.
12866 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
12867 bsi_after_labels iterator.
12868 * tree-if-conv.c (find_phi_replacement_condition,
12869 replace_phi_with_cond_modify_expr): Likewise.
12870 * tree-scalar-evolution.c (scev_const_prop): Likewise.
12871 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
12873 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12875 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
12877 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12880 * tree-cfg.c (move_block_to_fn): Clear out the basic block
12881 array after growing it.
12883 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12885 PR middle-end/24901
12886 * fold-const.c (fold_checksum_tree): Change type of buf.
12888 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
12890 * reload.c (push_secondary_reload): Initialize t_icode.
12892 2006-02-01 Jakub Jelinek <jakub@redhat.com>
12894 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
12895 -msoft-float -mlong-double-128 only issue a warning, but don't
12896 swich to DFmode long double.
12898 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
12900 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
12901 has a constant equivalent, iterate over equivalents for arg0,
12902 calling simplify_relational_operation and if there's a result
12903 cheaper than X, apply fold_rtx and return the result.
12905 2006-02-01 Jan Hubicka <jh@suse.cz>
12907 * opts.c (no_unit_at_a_time_default): New global variable.
12908 (decode_options): Use it.
12909 * opts.h (no_unit_at_a_time_default): Declare.
12911 2006-02-01 Paul Brook <paul@codesourcery.com>
12913 * function.c (assign_parm_setup_reg): Use function argument promotion
12915 * expr.c (expand_expr_real_1): Use function argument promotion rules
12918 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12920 * gcc.c (process_command): Change j to 'unsigned int'.
12922 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12924 PR middle-end/26001
12925 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
12926 Use the corrected index for the character
12927 out of the string constant.
12929 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12931 * mode-switching.c (optimize_mode_switching): Fix size
12932 allocated for bb_info[n_entities].
12934 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12936 * gcc.c (main): Correct type that is allocated for
12937 explicit_link_files.
12939 2006-01-31 Jakub Jelinek <jakub@redhat.com>
12941 * config/s390/s390.c (init_alignment_context): Set
12942 ALIAS_SET_MEMORY_BARRIER on the MEM.
12943 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
12945 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
12947 PR middle-end/25933
12948 * loop-unroll.c (unroll_loop_runtime_iterations): Free
12950 * tree-ssa-live.c (type_var_init): Allocate bitmap after
12953 2006-01-31 Marcin Dalecki <martin@dalecki.de>
12955 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
12956 * regrename.c: Ditto.
12957 * tree-ssa-loop-im.c: Ditto.
12958 * tree-dump.c: Ditto.
12959 * tree-complex.c: Ditto.
12960 * genrecog.c: Ditto.
12961 * tree-ssa-threadupdate.c: Ditto.
12963 * java/class.c: Ditto.
12964 * java/jcf-parse.c: Ditto.
12965 * java/resource.c: Ditto.
12966 * java/except.c: Ditto.
12967 * java/jvspec.c: Ditto.
12968 * java/jcf-write.c: Ditto.
12969 * java/jcf-path.c: Ditto.
12970 * java/gjavah.c: Ditto.
12971 * java/zextract.c: Ditto.
12972 * java/jcf-io.c: Ditto.
12973 * java/jcf.h: Ditto.
12974 * java/buffer.c: Ditto.
12975 * java/lang.c: Ditto.
12976 * java/parse-scan.y: Ditto.
12977 * java/lex.c: Ditto.
12978 * java/lex.h: Ditto.
12979 * cfgloopmanip.c: Ditto.
12980 * postreload-gcse.c: Ditto.
12981 * tree-ssa-loop-manip.c: Ditto.
12982 * postreload.c: Ditto.
12983 * tree-ssa-loop-ch.c: Ditto.
12986 * cppspec.c: Ditto.
12987 * diagnostic.c: Ditto.
12989 * genoutput.c: Ditto.
12991 * cfghooks.c: Ditto.
12992 * cfgloopanal.c: Ditto.
12993 * objc/objc-act.c: Ditto.
12995 * genextract.c: Ditto.
12996 * genautomata.c: Ditto.
12997 * pretty-print.c: Ditto.
12998 * genemit.c: Ditto.
12999 * cgraphunit.c: Ditto.
13001 * df-scan.c: Ditto.
13002 * haifa-sched.c: Ditto.
13003 * dominance.c: Ditto.
13005 * tree-ssa-loop-ivopts.c: Ditto.
13006 * df-core.c: Ditto.
13007 * mode-switching.c: Ditto.
13008 * modulo-sched.c: Ditto.
13010 * ipa-pure-const.c: Ditto.
13012 * fix-header.c: Ditto.
13014 * tree-stdarg.c: Ditto.
13015 * ipa-utils.c: Ditto.
13016 * loop-init.c: Ditto.
13017 * ipa-inline.c: Ditto.
13018 * cfganal.c: Ditto.
13020 * alloc-pool.c: Ditto.
13021 * dwarf2out.c: Ditto.
13023 * genattrtab.c: Ditto.
13024 * tree-ssa-loop-ivcanon.c: Ditto.
13025 * predict.c: Ditto.
13026 * timevar.c: Ditto.
13028 * fortran/gfortranspec.c: Ditto.
13029 * regmove.c: Ditto.
13030 * local-alloc.c: Ditto.
13031 * langhooks.c: Ditto.
13032 * function.c: Ditto.
13033 * tree-vectorizer.c: Ditto.
13035 * ipa-type-escape.c: Ditto.
13037 * tree-if-conv.c: Ditto.
13038 * profile.c: Ditto.
13040 * tree-data-ref.c: Ditto.
13041 * loop-unroll.c: Ditto.
13042 * treelang/treetree.c: Ditto.
13044 * bt-load.c: Ditto.
13045 * ggc-common.c: Ditto.
13047 * coverage.c: Ditto.
13049 * tree-cfgcleanup.c: Ditto.
13050 * tree-ssa-pre.c: Ditto.
13051 * cfgcleanup.c: Ditto.
13052 * loop-invariant.c: Ditto.
13053 * loop-iv.c: Ditto.
13054 * ipa-prop.c: Ditto.
13055 * print-tree.c: Ditto.
13056 * conflict.c: Ditto.
13057 * ggc-page.c: Ditto.
13058 * sched-deps.c: Ditto.
13059 * regclass.c: Ditto.
13060 * tree-object-size.c: Ditto.
13061 * combine.c: Ditto.
13062 * bb-reorder.c: Ditto.
13063 * resource.c: Ditto.
13064 * var-tracking.c: Ditto.
13065 * cfgloop.c: Ditto.
13066 * df-problems.c: Ditto.
13067 * reg-stack.c: Ditto.
13069 * gccspec.c: Ditto.
13070 * sched-rgn.c: Ditto.
13071 * tree-ssa-structalias.c: Ditto.
13072 * tree-ssa-reassoc.c: Ditto.
13073 * config/darwin-c.c: Ditto.
13074 * config/darwin.c: Ditto.
13075 * config/arm/arm.c: Ditto.
13077 * collect2.c: Ditto.
13078 * reload1.c: Ditto.
13080 2006-01-31 Nicolas Pitre <nico@cam.org>
13082 * arm.md (smaxsi3): Make aware of smax_m1.
13085 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13087 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13089 2006-01-31 Richard Guenther <rguenther@suse.de>
13091 * doc/invoke.texi (-msselibm): Document.
13092 * target.h (expand_library_builtin): New target hook.
13093 * builtins.c (expand_builtin): Use expand_library_builtin.
13094 (default_expand_library_builtin): New function.
13095 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13096 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13097 (link_gcc_math_spec): Declare.
13098 (static_specs): Add link_gcc_math_spec.
13099 * expr.h (default_expand_library_builtin): Declare.
13100 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13101 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13102 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13103 * config/i386/i386.opt (msselibm): New target option.
13104 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13105 (ix86_init_sse_abi_builtins): New function.
13106 (ix86_expand_library_builtin): Likewise.
13107 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13108 (override_options): Handle error conditions wrt -msselibm.
13109 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13110 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13111 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13114 2006-01-31 Richard Guenther <rguenther@suse.de>
13115 Paolo Bonzini <bonzini@gnu.org>
13117 * doc/install.texi (--disable-libgcc-math): Document.
13119 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13121 * expr.h (expand_normal): new inline function.
13122 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13123 * dojump.c: use it.
13124 * dwarf2out.c: use it.
13127 * expmed.c: use it.
13128 * except.c: use it.
13129 * config/sparc/sparc.c: use it.
13130 * config/i386/i386.c: use it.
13131 * config/rs6000/rs6000.c: use it.
13132 * config/arm/arm.c: use it.
13133 * config/mips/mips.c: use it.
13134 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13136 2006-01-30 Roger Sayle <roger@eyesopen.com>
13138 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13139 argv to the appropriate type.
13141 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13143 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13146 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13149 * config/s390/s390.c (struct machine_function): New flag
13150 decomposed_literal_pool_addresses_ok_p.
13151 (s390_reorg): Set it before final stage of literal pool transforms.
13152 (s390_decompose_address): Only accept displacements of the form
13153 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13155 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13157 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13158 the comparison routine return.
13160 2006-01-30 Michael Matz <matz@suse.de>
13162 * global.c (find_reg): Only evict for global regs.
13163 Take n_refs into account and dump more info.
13165 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13168 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13169 (pragma_trap, pragma_nosave_low_regs): Likewise.
13170 (current_function_anonymous_args): Likewise.
13171 (sh_deferred_function_attributes): New variable.
13172 (sh_deferred_function_attributes_tail): Likewise.
13173 (print_operand): For '@', look up trap_exit attribute.
13174 (calc_live_regs): Look up trapa_handler attribute. For trapa
13175 handlers, save/restore fpscr, but don't do any other
13176 interrupt-specific saves.
13177 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13178 Fix check for partially saved registers to check for SHmedia.
13179 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13180 (sh_output_function_epilogue): Don't clear any of the removed
13182 (sh_insert_attributes): Don't check pragma_interrupt.
13183 Insert deferred attributes. Check that interrupt attribute is
13184 present for other attributes that require its presence.
13185 (sh_attribute_table): Add new attributes trapa_handler and
13187 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13188 Don't check for pragma_interrupt. Don't store argument.
13189 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13190 (sh_deferred_function_attributes): Declare.
13191 (sh_deferred_function_attributes_tail): Likewise.
13192 * sh.md (sp_switch_1): Add operand. Change generator caller.
13193 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13194 (*return_i): Don't use when trap_exit attribute is in effect.
13195 (*return_trapa): New insn pattern.
13196 * sh-c.c: New file.
13197 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13198 setting c_target_objs and cxx_target_objs.
13199 * t-sh: Add rule for sh-c.o.
13201 2006-01-30 Richard Guenther <rguenther@suse.de>
13204 * gimplify.c (gimplify_target_expr): Handle easy cases
13205 without creating a temporary.
13207 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13209 * vec.h (safe_grow): Remove duplicated line.
13211 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13214 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13215 (expand_omp): ... here.
13216 (expand_omp_parallel): Only remove barriers for combined
13217 parallel+workshare constructs.
13219 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13223 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13224 * tree.c (build_qualified_type): Chain the new type to the original
13225 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13226 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13227 (build_pointer_type_for_mode): Only return unqualified types.
13228 (build_reference_type_for_mode): Likewise.
13230 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13232 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13233 * Makefile.in (CXX_COMPAT_WARN): Define.
13234 * configure: Regenerate.
13236 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13239 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13242 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13244 * toplev.c: Fix thinko.
13246 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13247 Marcin Dalecki <martin@dalecki.de>
13249 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13250 (push_srcloc): Use XNEW.
13251 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13253 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13255 * df-core.c (df_set_blocks): Deleted all variable.
13257 2006-01-28 Ian Lance Taylor <ian@airs.com>
13259 * cgraphunit.c (cgraph_assemble_pending_functions): Call
13260 cgraph_output_pending_asms.
13262 2006-01-28 Zack Weinberg <zackw@panix.com>
13264 * c.opt: Add -W(no-)overlength-strings.
13265 * doc/invoke.texi: Document it.
13266 * c-opts.c (c_common_handle_option): -pedantic implies
13267 -Woverlength-strings, if not explicitly disabled already.
13268 (c_common_post_options): -Woverlength-strings defaults to off, and
13269 is always off for C++.
13270 * c-common.c (fix_string_type): Issue warning about strings longer
13271 than is portable only if warn_overlength_strings. Rearrange code
13272 a little for clarity.
13273 * configure.in: Check for -Wno-overlength-strings as well before
13274 enabling -pedantic in stage 1.
13275 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
13276 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
13278 * genconditions.c (write_header, write_one_condition)
13279 (write_conditions, write_writer): Consolidate very long strings
13280 that were broken up to fit in C89 portable limit. Don't use
13281 printf when fputs will do.
13283 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13285 * combine.c (simplify_comparison <AND>): Check
13286 TRULY_NOOP_TRUNCATION before start using a subreg.
13288 * config/mips/mips.md (*branch_zero<mode>,
13289 *branch_zero<mode>_inverted, *branch_equality<mode>,
13290 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13291 Remove mode check from comparisons.
13293 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13295 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13297 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13299 * expmed.c (const_mult_add_overflow_p): Remove.
13300 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13302 * recog.c (validate_replace_rtx_subexp): Remove.
13303 * recog.h: Remove the prototype for
13304 validate_replace_rtx_subexp.
13306 * integrate.h: Remove the prototype for
13307 copy_decl_for_inlining.
13308 * rtl.h: Remove the prototype for mark_constant_function.
13309 * tree-vectorizer.h: Remove the prototype for
13310 vect_strip_conversion.
13312 * modulo-sched.c (create_partial_schedule,
13313 free_partial_schedule, reset_partial_schedule): Make them
13316 * hooks.c (hook_bool_rtx_int_false): Remove.
13317 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13319 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13321 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13322 and -mlong-double-128 are incompatible.
13323 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13324 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13325 (TARGET_LIBGCC2_CFLAGS): Define.
13326 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13327 (TARGET_LIBGCC2_CFLAGS): Same.
13328 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13330 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13333 * c-typeck.c (build_binary_op): Perform implicit casts of
13334 operands before shortening them.
13336 * cfgloopmanip.c (split_loop_bb): Remove.
13337 * cfgloop.h: Remove the prototype for split_loop_bb.
13339 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13340 * cfgloop.h: Remove the prototype for
13341 flow_loop_outside_edge_p.
13343 * emit-rtl.c (init_virtual_regs): Make it static.
13344 * function.h: Remove the prototype for init_virtual_regs.
13346 * recog.c (peephole2_optimize): Make it static.
13347 * recog.h: Remove the prototype for peephole2_optimize.
13349 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13351 * df-scan.c (df_record_entry_block_defs): Check if
13352 INCOMING_RETURN_ADDR_RTX is defined.
13354 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
13355 Kenneth Zadeck <zadeck@naturalbridge.com>
13357 PR rtl-optimization/24762
13358 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13359 * targhooks.c (hook_void_bitmap): New hook prototype.
13360 * targhoohs.h (hook_void_bitmap): Ditto.
13361 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
13362 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
13363 * target.h (live_on_entry): New function pointer.
13364 * df-scan.c (df_all_hard_regs): Removed.
13365 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
13366 (df_scan_free_internal): Added df->entry_block_defs.
13367 (df_scan_alloc): Ditto.
13368 (df_scan_dump): Ditto.
13369 (df_uses_record): Plumbed flag field properly thru calls.
13370 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
13371 This part fixes PR24762.
13372 (df_bb_refs_record): Added code to make the frame and arg
13373 pointers live in EH blocks.
13374 (df_refs_record): Added call to df_record_entry_block_defs.
13375 (df_record_entry_block_defs): New function.
13376 * df-core.c: Added comments to describe new artifical defs.
13377 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
13378 (entry_block_defs): New field in struct df.
13379 (df_all_hard_regs): Deleted.
13380 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13381 * df-problems.c (df_ru_bb_local_compute_process_def):
13382 Added code to handle artifical defs in the entry to a function.
13383 (df_ru_bb_local_compute): Ditto.
13384 (df_rd_bb_local_compute_process_def): Ditto.
13385 (df_rd_bb_local_compute): Ditto.
13386 (df_lr_bb_local_compute): Ditto.
13387 (df_ur_bb_local_compute): Ditto.
13388 (df_urec_bb_local_compute): Ditto.
13389 (df_chain_create_bb): Ditto.
13390 (df_ur_local_finalize): Removed entry.
13391 (df_urec_init): Ditto.
13392 (df_urec_local_finalize): Ditto.
13393 (df_ri_bb_compute): Added detection of last use of pseudos.
13394 * Makefile.in (df-scan.o): Updated dependencies.
13395 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
13396 * config/mips/mips.c (mips_set_live_on_entry): Added.
13397 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
13399 * dce.c (marked_insn_p): Added code to handle artifical defs.
13401 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13403 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
13405 (_mm_cvtsi128_si64): Likewise.
13406 (_mm_cvtsd_si64): Likewise.
13407 (_mm_cvttsd_si64): Likewise.
13408 (_mm_cvtsi64_sd): Likewise.
13409 (_mm_cvtsi64_si128): Likewise.
13410 * config/i386/mmintrin.h (_m_from_int64): Likewise.
13411 (_mm_cvtsi64_m64): Likewise.
13412 (_m_to_int64): Likewise.
13413 (_mm_cvtm64_si64): Likewise.
13414 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
13415 (_mm_cvttss_si64): Likewise.
13416 (_mm_cvtsi64_ss): Likewise.
13417 (_mm_cvtss_f32): Likewise.
13419 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
13421 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
13422 for pragma redefine_extname.
13424 2006-01-27 Jakub Jelinek <jakub@redhat.com>
13427 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
13428 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
13429 -mno-minimal-toc to previous content.
13430 (bispecs): Remove goal.
13431 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
13432 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
13433 compatibility aliases on powerpc-*-*gnu*.
13434 * config/rs6000/libgcc-ppc-glibc.ver: New file.
13435 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
13436 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
13437 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
13438 (ldblspecs): New goal.
13439 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
13440 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
13442 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
13443 L_sf_to_tf or L_df_to_tf is defined.
13445 2006-01-27 David Edelsohn <edelsohn@gnu.org>
13446 Alan Modra <amodra@bigpond.net.au>
13449 * config/rs6000/linux.h (POWERPC_LINUX): Define.
13450 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
13451 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
13452 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
13453 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
13454 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
13455 (rs6000_override_options): Initialize rs6000_ieeequad.
13456 Initialize TFmode format to ibm_extended_format if not
13458 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
13460 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
13461 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
13462 (function_arg_advance): IBM long double passed in two FPRs, not
13464 (function_arg): IBM long double passed in FPRs.
13465 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
13466 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
13467 Only multireg GPR aligned.
13468 (rs6000_init_libfuncs): Enable IBM long double functions if not
13470 (rs6000_generate_compare): Use IBM long double compare if not
13472 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
13473 (TARGET_IEEEQUAD): Define.
13474 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
13475 not TARGET_IEEEQUAD.
13476 * config/rs6000/rs6000.md: Enable TFmode patterns if
13478 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
13479 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13480 and -mlong-double-128 are incompatible.
13481 * doc/invoke.texi (-mabi): Collect options together. Add
13482 ibmlongdouble and ieeelongdouble.
13484 2006-01-27 Richard Sandiford <richard@codesourcery.com>
13486 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
13488 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
13489 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
13490 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
13491 * rtl.h (rtunion_def): Remove rt_ptr.
13493 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
13494 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
13495 * config/i386/winnt.c (i386_pe_mark_dllexport)
13496 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
13498 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
13500 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
13502 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13506 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
13507 pthread_key_delete. From John David Anglin. gthrw-ify
13508 pthread_getunique_np only if it it's not a macro. Delete
13510 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
13511 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
13512 __gthread_objc_condition_signal, __gthread_key_delete): Add
13513 "__attribute__ ((__unused__))" to unused arguments.
13514 (__gthread_recursive_mutex_init_function): Add missing return.
13515 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
13516 gthr-posix95.h: Use macro-based approach for name redirection
13517 on targets missing weakref.
13519 2006-01-26 Zack Weinberg <zackw@panix.com>
13521 * genconditions.c (write_header): In generated code, #ifdef out
13522 all includes and fake declarations, except includes of bconfig.h
13523 and system.h, unless GCC_VERSION >= 3001. Do not include
13524 gensupport.h in any case.
13525 (write_conditions): Generate a definition of struct c_test. Add
13526 a comment to the generated #endif.
13527 (write_one_condition): Escape backslashes in string too.
13528 (write_writer): Generated code must escape backslashes and quote
13529 marks (but not newlines) in the strings it writes.
13530 * Makefile.in (build/gencondmd.o): Update dependencies.
13532 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13535 * Makefile.in (insn-automata.o): Add header file dependencies.
13536 * genautomata.c: Add includes.
13538 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13541 * Makefile.in (insn-automata.o): Add -Wno-error flag.
13543 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13545 * configure.ac: Expect target tools paths to be passed from the toplevel
13546 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
13548 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
13550 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13553 * c.opt (Wpointer-sign): Init to -1.
13554 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
13555 OPT_pedantic, to 0 otherwise.
13556 * doc/invoke.texi: Update.
13558 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13560 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
13561 constants provided by 80387 instructions in the destination mode.
13563 2006-01-26 Richard Guenther <rguenther@suse.de>
13564 Andrew Pinski <pinskia@physics.uc.edu>
13567 partial PR tree-opt/17064
13568 * tree-ssa-structalias.c (intra_create_variable_infos):
13569 Create heap variables for incoming parameters if
13570 flag_argument_noalias > 1.
13571 (find_what_p_points_to): Look through default defs of
13574 2006-01-26 Jeff Law <law@redhat.com>
13577 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
13578 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
13579 within the VR_RANGE, use the VR_RANGE as the result, not the
13581 (adjust_range_with_scev): Reject ranges from SCEV which are out of
13582 bounds for the type.
13584 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
13586 * tree-ssa-alias.c (maybe_create_global_var): Change
13587 subvar walking to an assertion that we don't have subvar'd variables.
13589 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
13592 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
13593 Use a new variable, inner. PARM_DECLs are always non-weak.
13595 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
13597 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
13598 --disable-checking.
13600 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
13602 * config/mips/mips.md (*clear_upper32): New combiner pattern.
13604 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
13606 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
13607 (smax_insn, smin_insn, smax_0, smin_0): New.
13609 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
13612 * config/cris/cris.c (cris_order_for_addsi3): New function.
13613 * config/cris/cris-protos.h: Prototype it.
13614 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
13615 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
13616 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
13617 (split for "op.S1 [rx=rx+i],ry (swapped)")
13618 (split for "op(s|u).S1 [rx=rx+i],ry")
13619 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
13620 Apply cris_order_for_addsi3 when generating addsi3 insns.
13622 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13624 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
13625 (TREE_BLOCK): Add call to EXPR_CHECK.
13627 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13630 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
13631 * tree-pretty-print.c (dump_omp_clause): Extract from ...
13632 (dump_omp_clauses): ... here.
13633 (dump_generic_node): Handle OMP_CLAUSE.
13634 * tree.c (omp_clause_num_ops): New.
13635 (omp_clause_code_name): New.
13636 (tree_code_size): Handle OMP_CLAUSE.
13637 (tree_size): Likewise.
13638 (make_node): Document handling of OMP_CLAUSE.
13639 (tree_node_structure): Handle OMP_CLAUSE.
13640 (omp_clause_check_failed): New.
13641 (omp_clause_range_check_failed): New.
13642 (omp_clause_operand_check_failed): New.
13643 (build_omp_clause): New.
13644 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
13645 * tree.h (enum omp_clause_code): Declare.
13646 (OMP_CLAUSE_SUBCODE_CHECK): Define.
13647 (OMP_CLAUSE_RANGE_CHECK): Define.
13648 (OMP_CLAUSE_ELT_CHECK): Define.
13649 (omp_clause_check_failed): Declare.
13650 (omp_clause_operand_check_failed): Declare.
13651 (omp_clause_range_check_failed): Declare.
13652 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
13653 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
13654 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
13655 (OMP_CLAUSE_LASTPRIVATE): Likewise.
13656 (OMP_CLAUSE_IF_EXPR): Likewise.
13657 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
13658 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
13659 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
13660 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
13661 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
13662 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
13663 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
13664 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
13665 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
13666 (OMP_CLAUSE_CODE): Define.
13667 (OMP_CLAUSE_SET_CODE): Define.
13668 (OMP_CLAUSE_CODE): Define.
13669 (OMP_CLAUSE_OPERAND): Define.
13670 (struct tree_omp_clause): Declare.
13671 (union tree_node): Add field 'omp_clause'.
13672 * treestruct.def (TS_OMP_CLAUSE): Define.
13673 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
13674 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
13675 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
13676 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
13677 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
13678 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
13679 (OMP_CLAUSE): Define.
13680 * print-tree.c (print_node): Handle OMP_CLAUSE.
13681 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
13682 * c-typeck.c: Likewise.
13683 * gimplify.c: Likewise.
13684 * c-omp.c: Likewise.
13685 * tree-nested.c: Likewise.
13686 * tree-inline.c: Likewise.
13687 * c-parser.c: Likewise.
13688 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
13691 2006-01-25 Roger Sayle <roger@eyesopen.com>
13693 PR rtl-optimization/25703
13694 * combine.c (try_combine): Handle zero_extract and strict_low_part
13695 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
13697 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
13699 * global.c: Fix comment typos.
13701 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
13704 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
13705 Use output_addr_const instead of assemble_name.
13707 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
13709 * Makefile.in (sched-vis.o): Update dependencies.
13710 * haifa-sched.c (sched_finish): Clear current_sched_info.
13711 * cfg.c (dump_bb_info): New, split from dump_flow_info.
13712 (dump_flow_info): Call it.
13713 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
13715 * basic-block.h (dump_bb_info): Declare.
13716 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
13717 option, and apply options only for dump files whose TDF_RTL,
13718 TDF_TREE, or TDF_IPA bits match.
13719 * rtl.h: Declare new functions exported from sched-vis.c.
13720 * sched-vis.c: Enable also if scheduling is not used.
13721 (print_value): Print the mode of registers if not inside scheduling.
13722 (print_insn): Make it work outside the scheduler. Beautify the output
13724 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
13726 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13728 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
13729 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
13730 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
13731 depending on the value of CONSTANT_POOL_ADDRESS_P.
13732 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
13734 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
13735 rather than SYMBOL_REF_DECL.
13736 (rtx_constant_pool): Remove const_rtx_sym_htab.
13737 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
13738 (init_varasm_status): Don't initialize const_rtx_sym_htab.
13739 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
13740 Remove handling of const_rtx_sym_htab.
13741 (find_pool_constant): Delete.
13742 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
13743 rather than find_pool_constant.
13744 (get_pool_constant_for_function): Delete.
13745 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
13746 find_pool_constant.
13747 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
13748 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
13749 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
13750 (SYMBOL_REF_CONSTANT): New macro.
13751 (get_pool_constant_for_function): Delete.
13752 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
13753 rather than SYMBOL_REF_DECL.
13754 (i386_pe_mark_dllimport): Likewise.
13755 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
13756 rather than SYMBOL_REF_DECL.
13757 * config/darwin.c (machopic_indirect_data_reference): Likewise.
13758 (machopic_indirect_call_target): Likewise.
13760 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
13762 * flow.c (delete_noop_moves): Add missing EOL to dump message.
13764 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13766 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
13768 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
13770 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
13772 2006-01-24 David Daney <ddaney@avtrex.com>
13775 * configure.ac (enable_tls): New enable option.
13776 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
13777 * configure: Regenerate.
13778 * doc/install.texi (--enable-tls): Document new option.
13779 (--disable-tls): Ditto.
13781 2006-01-24 Richard Henderson <rth@redehat.com>
13783 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
13784 * alias.c (true_dependence): Respect it.
13785 (canon_true_dependence, write_dependence_p): Likewise.
13786 * builtins.c (get_builtin_sync_mem): Set it.
13788 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
13790 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
13793 2006-01-24 DJ Delorie <dj@redhat.com>
13795 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
13796 for storing constants in single-bit bitfields.
13798 2006-01-25 Ben Elliston <bje@au.ibm.com>
13800 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
13802 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
13805 * tree-ssa-pre.c (phi_translate): Return NULL
13806 for AGGREGATE_TYPE's.
13808 2006-01-24 Zack Weinberg <zackw@panix.com>
13810 * genautomata.c (process_state_for_insn_equiv_partition):
13811 Use xcalloc for insn_arcs_array.
13812 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
13813 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
13815 2006-01-24 Richard Henderson <rth@redhat.com>
13817 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
13818 update all callers.
13820 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
13822 PR rtl-optimization/25890
13823 PR rtl-optimization/25905
13824 * combine.c (expand_compound_operation, expand_field_assignment):
13825 Fail if the bitfield's final position is out of bounds.
13827 2006-01-24 Ian Lance Taylor <ian@airs.com>
13829 PR middle-end/25930
13830 * cgraphunit.c (cgraph_output_in_order): Don't clear
13831 cgraph_asm_nodes until after asm strings have been output.
13833 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
13835 * fix-header.c (read_scan_file): Add new parameter imultilib when
13836 calling register_include_chains.
13838 2006-01-23 Diego Novillo <dnovillo@redhat.com>
13840 * omp-low.c: Update documentation.
13842 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13843 Daniel Berlin <dberlin@dberlin.org>
13847 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
13848 return from the function.
13850 2006-01-22 Zack Weinberg <zackw@panix.com>
13852 * rtl.def (match_code): Add second argument.
13853 * genpreds.c (write_extract_subexp): New function.
13854 (write_match_code): Add path argument. Use write_extract_subexp.
13855 (write_predicate_expr): Pass path to write_match_code.
13856 (mark_mode_tests): MATCH_CODE applied to a subexpression does
13857 not perform a mode test.
13858 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
13859 a subexpression does not constrain the top-level code set.
13860 * read-rtl.c (read_rtx_variadic): New function.
13861 (read_rtx_1): Use it; allow AND and IOR to be variadic.
13862 * doc/md.texi: Document new notation.
13863 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
13864 (cmpsi_operand): ... here, using new notation.
13866 2006-01-22 Zack Weinberg <zackw@panix.com>
13868 * varray.c: Remove GENERATOR_FILE #ifdefs.
13870 2006-01-22 Zack Weinberg <zackw@panix.com>
13872 * genautomata.c (output_reserved_units_table): Emit nothing if
13873 description->query_units_num is zero. Remove extra blank line.
13874 (output_cpu_unit_reservation_p): Short circuit
13875 if description->query_units_num is zero.
13877 2006-01-22 Zack Weinberg <zackw@panix.com>
13879 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
13880 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
13881 nor any of the random handful of variables that used to be necessary
13882 when this program was linked with rtlanal.o. Prune set of forward
13883 function declarations.
13884 (struct attr_desc): Remove static_p field.
13885 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
13886 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
13887 (attr_string): Do not read the character one past the length of
13889 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
13890 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
13891 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
13892 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
13893 (make_automaton_attrs): New.
13894 (main): Do not call into genautomata. Call local gen_bypass
13895 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
13896 Remove special case for insn_alts.
13897 * genautomata.c: Include gensupport.h; not genattrtab.h nor
13898 varray.h (leftover from previous change). Prune set of forward
13899 function declarations. Remove state_alts fields from all
13900 structures. Remove state_alts_table from struct automaton.
13901 Make everything except main static. Do not maintain num_dfa_decls.
13902 Do not maintain state_alts fields of various structures.
13903 (process_decls): Don't validate condexp for dm_insn_reserv decls.
13904 (add_arc): Remove state_alts argument. All callers updated.
13905 (output_reserved_units_table): Emit #ifdef here...
13906 (output_tables): ...not here. Don't generate state_alts tables.
13907 (expand_automata): Don't generate attributes.
13908 (write_automata): Don't generate state_alts functions.
13909 (main): New function.
13910 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
13911 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
13912 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
13913 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
13914 (BYPASS_P_FUNC_NAME, output_state_alts_table)
13915 (output_automata_list_state_alts_code, output_internal_state_alts_func)
13916 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
13917 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
13919 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
13920 * genattrtab.h: Delete file.
13921 * Makefile.in (OBJS-common): Add insn-automata.o.
13922 (insn-automata.o): New rule.
13923 (simple_generated_c): Add insn-automata.c.
13924 (build/genattrtab.o, build/genautomata.o): Update dependencies.
13925 (genprogmd): Add automata.
13926 (build/genattrtab): Needs no extra objects nor libraries.
13927 (build/genautomata): Needs build/vec.o and -lm.
13929 2006-01-22 Zack Weinberg <zackw@panix.com>
13931 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
13932 (output_dfa_max_issue_rate, locked_states_num): Delete.
13933 (struct automaton): Add locked_states field.
13934 (output_dead_lock_vect): Save number of locked states in
13935 automaton->locked_states. If it is zero, don't print anything.
13936 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
13937 (output_internal_dead_lock_func): Only test the dead_lock_vect
13938 for automata that have locked states.
13939 (output_statistics): Always print the number of locked states for
13940 each automaton. Calculate total number of locked states here.
13941 (write_automata): Don't call output_dfa_max_issue_rate.
13942 * genattrtab.c: Define length_unit_log as a const variable.
13943 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
13944 max_insn_queue_index const.
13945 * final.c (length_unit_log): Declare const.
13946 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
13948 2006-01-22 Zack Weinberg <zackw@panix.com>
13950 * genautomata.c: Include vec.h, not varray.h.
13951 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
13952 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
13953 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
13954 VEC_* macros operating on appropriately typed vectors, or to
13955 malloced arrays when the size is known in advance. Const-ify
13956 many char* variables and function arguments. No functional changes.
13957 * Makefile.in (build/varray.o): Delete rule.
13958 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
13959 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
13961 2006-01-22 Zack Weinberg <zackw@panix.com>
13963 * gensupport.c: Define get_insn_name and record_insn_name here.
13964 (read_md_rtx): Call record_insn_name as appropriate.
13965 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
13966 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
13967 * genpreds.c, genrecog.c: Don't define get_insn_name nor
13969 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
13970 (BUILD_VARRAY): Delete.
13971 (genprognormal): Rename genprogmd. Fold in all programs from
13972 genprognoprint; also attrtab.
13973 (build/genattrtab): Just mention genautomata.o and varray.o.
13974 Reorganize a bit, add comments to make the categories clearer.
13976 2006-01-22 Zack Weinberg <zackw@panix.com>
13978 * genconditions.c (condition_table, add_condition): Delete.
13979 (write_conditions): Don't emit n_insn_conditions nor
13980 insn_elision_unavailable. Issue the gcc version #ifdef here,
13981 inside the table, with no #else clause ...
13982 (write_header): ...not here.
13983 (write_writer): New function.
13984 (main): Don't initialize condition_table. Use add_c_test.
13986 * gensupport.c (init_md_reader_args_cb): Handle multiple input
13987 files on the command line.
13988 (maybe_eval_c_test): Don't check insn_elision_unavailable.
13989 Return -1 if there is no entry in the table, don't abort.
13990 (add_c_test, traverse_c_tests): New functions.
13991 * gensupport.h (insn_elision_unavailable, insn_conditions)
13992 (n_insn_conditions): Delete declarations.
13993 (add_c_test, traverse_c_tests): Declare.
13994 * read-rtl.c: Include gensupport.h.
13995 (read_conditions): New function.
13996 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
13997 (read_rtx_1): If we get EOF when we were looking for an initial
13998 open paren, return 0. Call read_conditions when appropriate.
13999 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14000 dummy-conditions.o. Eliminate references to insn-conditions.o,
14001 or change them to build/gencondmd.o, as appropriate. Remove
14002 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14003 from $(simple_generated_c). For all files remaining in those
14004 two lists, add insn-conditions.md to the generator command line.
14005 Give insn-constants.h/s-constants their own rules. Add rules
14006 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14007 (build/read-rtl.o): Depend on gensupport.h.
14008 (genprognormal): Include preds.
14009 (genprogearly): Rename genprognoprint; only difference is now that
14010 they don't link with $(BUILD_PRINT).
14011 * dummy-conditions.c: Delete.
14013 2006-01-22 Zack Weinberg <zackw@panix.com>
14015 * genextract.c: Don't include insn-config.h. Do include vec.h.
14016 Declare vectors of int, char, and locstr.
14017 (locstr): New typedef.
14018 (struct extraction): Make all array fields into bare pointers.
14019 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14020 (insn_code_number): Delete.
14021 (accum_extract): New struct.
14022 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14023 (gen_insn): Take insn_code_number as an argument. Use an
14024 accum_extract structure instead of loading data directly into
14025 a struct extraction, and having to know how big it might get.
14026 (walk_rtx): Operate entirely on an accum_extract structure.
14027 (print_path): Avoid unnecessary use of printf.
14028 (print_header): New function, split out of main. Distinguish
14029 more carefully between an unrecognizable insn and an insn that
14030 has the code number of a define_expand.
14031 (main): Pass insn_code_number to gen_insn. Call print_header
14032 only after parsing. Avoid unnecessary use of printf.
14033 * Makefile.in (build/vec.o): New rule.
14034 (build/genextract): Depend on build/vec.o.
14035 (build/genextract.o): Don't depend on insn-config.h.
14037 2006-01-22 Zack Weinberg <zackw@panix.com>
14039 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14040 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14041 practical. Eliminate per-generator-program link rules.
14043 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14045 PR middle-end/24437
14046 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14047 with a call expr to ...
14048 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14050 2006-01-23 Richard Guenther <rguenther@suse.de>
14052 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14053 before make_edge with conditional EDGE_TRUE_VALUE.
14055 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14056 Jan Hubicka <jh@suse.cz>
14057 Richard Guenther <rguenther@suse.de>
14059 PR rtl-optimization/25654
14060 * cfgexpand.c (aggregate_contains_union_type): New function.
14061 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14062 for structure variables that contain a union type.
14064 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14066 * gengtype.c (new_structure): Return the structure.
14067 (create_option): Add an extra "next" argument.
14068 (create_field): New function.
14069 (adjust_field_rtx_def): Use create_option and create_field.
14070 Remove a now-unnecessary call to find_structure.
14071 (adjust_field_tree_def): Likewise.
14072 (note_yacc_type): Remove an unnecessary call to find_structure.
14073 * gengtype.h (new_structure): Return the structure.
14074 (create_option): Add an extra argument.
14075 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14076 (option): Adjust calls to create_option.
14078 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14080 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14082 2006-01-22 Paul Brook <paul@codesourcery.com>
14083 Peter Barada <peter@the-baradas.com>
14085 * config/m68k/m68k.md: Add Coldfire FPU support.
14086 Define FP mode macro and associated attributes.
14087 Use it for float mode patterns.
14088 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14089 (LIBCALL_VALUE): Use m68k_libcall_value.
14090 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14091 (m68k_function_value): Ditto.
14092 (emit_move_sequence): Ditto.
14093 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14094 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14095 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14096 (MULTILIB_EXCEPTIONS): Ditto.
14097 * config/m68k/m68k.opt: Add mcfv4e.
14098 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14099 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14100 (m68k_output_function_prologue): Save ColdFire FPU registers.
14101 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14102 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14103 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14104 ColdFire FPU registers.
14105 (m68k_libcall_value, m68k_function_value): New functions.
14106 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14107 (LIBCALL_VALUE): Use m68k_libcall_value.
14108 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14109 (MASK_COLDFIRE): Add MASK_CFV4E.
14110 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14111 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14112 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14113 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14114 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14115 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14116 * doc/invoke.tex: Document -mcfv4e on m68k.
14118 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14120 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14123 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14126 * c-opts.c (c_common_handle_option): Don't include
14127 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14128 * doc/invoke.texi (C++ Dialect Options): Document that
14129 -Wnon-virtual-dtor is no longer included in -Wall.
14131 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14133 * gcov.c (print_version), gcov-dump.c (print_version),
14134 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14137 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14139 * df-scan.c (problem_SCAN): Added NULL reset function.
14140 (df_scan_reset_blocks): Added code to call reset block function
14141 (df_bb_refs_delete) Fixed comment.
14142 (df_insn_refs_delete): Made tolerant of deleting non existent info
14143 for dataflow problems that need to be reset.
14144 * df-core.c (df_set_blocks): Ditto.
14145 * df.h (struct df_problem): Added reset_fun.
14146 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14147 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14148 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14149 functions to clear out all references to def-use or use-def chains.
14151 2006-01-21 Ben Elliston <bje@au.ibm.com>
14153 * varasm.c (assemble_real): Initialise data array.
14155 2006-01-20 Paul Brook <paul@codesourcery.com>
14157 Merge from csl-arm-branch.
14158 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14159 * config/arm/arm.md (movdi): Force operands[1] to a register
14160 if we have a non-register source.
14161 (*arm_movdi, *movdf_soft_insn): Require that one of the
14162 operands be a register.
14163 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14164 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14166 2006-01-20 DJ Delorie <dj@redhat.com>
14168 * varasm.c (initializer_constant_valid_p): Allow pointers
14169 initialized from integer constants of lesser precision.
14170 (output_constant): Allow non-int-sized pointer modes to be
14171 initialized from integer constants.
14173 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14176 * cppdefault.h (struct default_include): Add multilib flag.
14177 * cppdefault.c (cpp_include_defaults): Set it.
14178 * c.opt (-imultilib): New option.
14179 * c-opts.c (imultilib): New.
14180 (c_common_handle_option): Handle -imultilib.
14181 (c_common_post_options): Likewise.
14182 * c-incpath.c (add_standard_paths, register_include_chains):
14184 * c-incpath.h (register_include_chains): Add extra parameter.
14185 * gcc.c (do_spec_1): Generate -imultilib option.
14186 (The Specs Language): Update %I description.
14187 (process_command): Update copyright notice.
14188 * doc/cppopts.texi (-imultilib): Document.
14189 * doc/invoke.texi (-imultilib): Include in option summary.
14190 (%I): Update specs documentation.
14192 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14194 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14196 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14198 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14201 2006-01-20 Richard Guenther <rguenther@suse.de>
14202 Steven Bosscher <stevenb.gcc@gmail.com>
14204 PR rtl-optimization/24626
14205 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14206 EDGE_TRUE_VALUE if in RTL mode.
14209 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14210 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14212 2006-01-20 Dirk Mueller <dmueller@suse.com>
14215 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14216 instead of a special NOP marker.
14217 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14218 NOP marker handling.
14219 * c-common.h (empty_body_warning): Add forward declaration.
14220 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14221 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14223 2006-01-20 Paul Brook <paul@codesourcery.com>
14225 * Makefile.in (lang_checks): Keep going if mkdir fails.
14227 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14229 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14230 be able to clean out basic block when not necessary.
14231 (df_scan_free): Fixed to properly delete information if df is
14232 unused before calling df_finish.
14233 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14234 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14236 (df_bb_refs_delete): New function.
14237 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14238 * df-core.c (df_set_blocks): Added code to properly clean out
14239 unused blocks if they are not part of the blocks to consider.
14240 Added additional null check.
14241 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14242 be able to clean out basic block when not necessary
14243 * df.h (df_free_bb_function): Ditto.
14244 (df_bb_refs_delete): New function.
14245 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14246 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14247 basic block parameter to be able to clean out basic block when not
14249 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14250 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14251 Fixed to properly delete information if df is unused before
14254 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14256 PR rtl-optimization/25799
14257 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14258 Corrected confluence operator to remove bits from op2 before oring
14259 with op1 rather than removing bits from op1.
14260 (df_ru_transfer_function): Corrected test on wrong bitmap which
14261 caused infinite loop. Both of these problems were introduced in
14262 the dataflow rewrite.
14264 2006-01-19 DJ Delorie <dj@redhat.com>
14266 * reload1.c (find_reload_regs): Note the details of reload
14267 failures in the dump file.
14268 (spill_failure): Likewise.
14270 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14272 * loop-iv.c: Include df.h and hashtab.h.
14273 (enum iv_grd_result): New enum.
14274 (DF_REF_IV, DF_REF_IV_SET): New macros.
14275 (struct biv_entry): New.
14276 (df, bivs): New global variables.
14277 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
14278 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
14280 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
14281 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
14282 analyzed_for_bivness_p, record_biv): New functions.
14283 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14284 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14285 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14287 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14289 (iv_number_of_iterations): Use new interface to iv analysis.
14290 * loop-unroll.c: Do not include varray.h.
14291 (analyze_iv_to_split_insn): Use new interface to iv
14293 * loop-unswitch.c (may_unswitch_on): Ditto.
14294 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14296 (df_bb_modify): Realloc tables to the new index.
14297 (df_find_use): New function.
14298 * df.h (df_find_use): Declare.
14299 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14301 * cfgloop.h (struct rtx_iv): Remove analysed field.
14302 (iv_get_reaching_def): Removed.
14303 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14304 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14305 (loop-iv.o): Add df.h and hashtab.h dependency.
14306 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14308 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14311 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14313 (__floatundisf, __floatundidf): Likewise.
14314 * libgcc2.h (IS_IBM_EXTENDED): Define.
14316 2006-01-19 DJ Delorie <dj@redhat.com>
14318 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14320 2006-01-19 Paul Brook <paul@codesourcery.com>
14322 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14323 as nothrow when unwinding tables are disabled.
14325 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14328 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14329 of bit-field" when in system header.
14331 2006-01-19 DJ Delorie <dj@redhat.com>
14333 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14334 the 16 bit shift limit of the m16c.
14336 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14339 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14340 * config/i386/i386.c (output_set_got): Output the label if we have one
14341 for the TARGET_DEEP_BRANCH_PREDICTION case.
14343 2006-01-19 Jan Hubicka <jh@suse.cz>
14344 H.J. Lu <hongjiu.lu@intel.com>
14345 Evandro Menezes <evandro.menezes@amd.com>
14347 * invoke.texi (generic): Document
14349 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
14350 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
14351 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
14352 (x86_use_incdec, x86_pad_returns): New variables
14353 (TARGET_CPU_DEFAULT_generic): New constant
14354 (TARGET_CPU_DEFAULT_NAMES): Add generic.
14355 (enum processor_type): Add generic32 and generic64.
14356 * i386.md (cpu attribute): Add generic32/generic64
14357 (movhi splitter): Behave sanely when both partial_reg_dependency and
14358 partial_reg_stall are set.
14359 (K8 splitters): Enable for generic as well.
14360 * predicates.md (incdec_operand): Use TARGET_INCDEC
14361 (aligned_operand): Avoid memory mismatch stalls.
14362 * athlon.md: Enable for generic64, new patterns for 128bit moves.
14363 * ppro.md: Enable for generic32
14364 * i386.c (generic64_cost, generic32_cost): New.
14365 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
14366 (x86_use_leave): Enable for generic64. (x86_use_sahf,
14367 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
14368 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
14369 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
14370 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
14371 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14372 x86_accumulate_outgoing_args, x86_prologue_using_move,
14373 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
14374 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
14375 Enable for generic.
14376 (x86_use_incdec, x86_pad_returns): New.
14377 (override_options): Add generic32 and generic64, translate "generic"
14378 to generic32/generic64 and "i686" to "generic32", refuse
14379 "generic32"/"generic64" as arch target.
14380 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
14381 (ix86_reorg): Honor PAD_RETURNS.
14383 2006-01-19 Diego Novillo <dnovillo@redhat.com>
14385 * tree-pretty-print.c (dump_generic_node): Handle
14386 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
14387 * cgraph.c (cgraph_expand_queue): Rename from
14388 cgraph_analyze_queue. Update all users.
14389 * cgraphunit.c (cgraph_assemble_pending_functions): Process
14390 cgraph_expand_queue.
14391 (cgraph_expand_all_functions): Likewise.
14392 (cgraph_finalize_pending_functions): Remove. Update callers.
14394 * tree.h (OMP_DIRECTIVE_P): Define.
14395 (OMP_PARALLEL_FN): Define.
14396 (OMP_PARALLEL_DATA_ARG): Define.
14397 (OMP_SECTIONS_SECTIONS): Define.
14398 * tree-pass.h (pass_expand_omp): Declare.
14399 * omp-low.c (struct omp_region): Declare.
14400 (struct omp_context): Remove fields 'parallel_type',
14401 'parallel_start_ix' and 'parallel_start_additional_args'.
14403 (struct omp_for_data): Rename from struct expand_omp_for_data.
14404 (omp_regions): New static variable.
14405 (root_omp_region): New static variable.
14406 (find_omp_clause): Make static.
14407 (is_in_combined_parallel_ctx): Remove.
14408 (is_combined_parallel): New.
14409 (extract_omp_for_data): Move earlier in the file.
14410 (workshare_safe_to_combine_p): New.
14411 (get_ws_args_for): New.
14412 (determine_parallel_type): Move earlier in the file.
14413 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
14415 (omp_copy_decl): Likewise.
14416 (create_omp_child_function): Likewise.
14417 (lookup_omp_region): New.
14418 (dump_omp_region): New.
14419 (debug_omp_region): New.
14420 (debug_all_omp_regions): New.
14421 (new_omp_region): New.
14422 (scan_omp_parallel): If parallel_nesting_level > 1, the
14423 directive is nested within another parallel directive.
14424 Set OMP_PARALLEL_FN.
14425 (scan_omp_for): Do not try to handle combined parallel+for
14427 Remove FIXME comment.
14428 (scan_omp_nested): Remove.
14429 (scan_omp_1): Do not call scan_omp_nested when
14430 parallel_nesting_level is > 1.
14431 Do not change the DECL_CONTEXT of local variables found.
14432 (lookup_decl_in_outer_ctx): New.
14433 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
14434 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
14435 (lower_reduction_clauses): Rename from expand_reduction_clauses.
14436 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
14437 If CTX is nested, lookup VAR in the outer context when
14438 building copy assignment.
14439 (lower_send_clauses): Rename from expand_send_clauses.
14440 If CTX is nested, lookup VAR in the outer context when
14441 building copy assignments.
14442 (lower_send_shared_vars): Rename from expand_send_shared_vars.
14443 If CTX is nested, lookup VAR in the outer context when
14444 building copy assignments.
14445 (expand_parallel_call): Rename from build_parallel_call.
14446 Handle combined parallel+workshare cases.
14447 Re-implement to emit code into the CFG.
14449 (expand_omp_parallel): Re-implement to emit code into the CFG.
14450 Call move_sese_region_to_fn to outline the sub-graph
14451 containing the parallel region.
14452 (expand_omp_for_1): Remove.
14453 (expand_omp_for_generic): Re-implement to emit code into the
14455 (expand_omp_for_static_nochunk): Likewise.
14456 (expand_omp_for_static_chunk): Likewise.
14457 (expand_omp_for): Likewise.
14458 (expand_omp_sections): Likewise.
14459 (remove_exit_barriers): New.
14460 (expand_omp_synch): New.
14462 (build_omp_regions_1): New.
14463 (build_omp_regions): New.
14464 (execute_expand_omp): New.
14465 (gate_expand_omp): New.
14466 (pass_expand_omp): Define.
14467 (lower_omp_sections): Rename from expand_omp_sections.
14468 Set OMP_SECTIONS_SECTIONS.
14469 (lower_omp_single_simple): Rename from expand_omp_single_simple.
14470 (lower_omp_single_copy): Rename from expand_omp_single_copy.
14471 (lower_omp_single): Rename from expand_omp_simple.
14472 (lower_omp_master): Rename from expand_omp_master.
14473 (lower_omp_ordered): Rename from expand_omp_ordered.
14474 (lower_omp_critical): Rename from expand_omp_critical.
14475 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
14476 (lower_omp_for): Re-implement.
14477 (lower_omp_parallel): Re-implement.
14478 (lower_regimplify): Rename from expand_regimplify.
14479 (lower_omp_1): Rename from expand_omp_1.
14480 If there are syntax errors in the program, replace every
14481 OpenMP directive with NOP.
14482 Call lower_omp_* instead of expand_omp_*.
14483 (lower_omp): Rename from expand_omp.
14485 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
14486 * tree-gimple.h (enum omp_parallel_type): Remove.
14487 (gimple_boolify): Declare extern.
14488 (find_omp_clause, determine_parallel_type): Remove.
14490 * gimple-low.c (lower_omp_directive): New.
14491 (lower_stmt): Call it.
14492 (record_vars_into): Move from ...
14493 (record_vars): ... here.
14494 Call record_vars_into with current_function_decl.
14496 * gimplify.c (struct gimplify_ctx): Remove fields
14497 combined_pre_p and combined_ctxp. Update users.
14498 (get_formal_tmp_var): Add documentation.
14499 (gimple_boolify): Make extern.
14500 (gimplify_expr_in_ctx): Remove. Update callers.
14501 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
14502 will always be a BIND_EXPR.
14503 (gimplify_expr): Handle OMP_RETURN_EXPR.
14504 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
14505 (OMP_PARALLEL): Add 3 operands.
14506 (OMP_SECTIONS): Add 1 operand.
14507 (OMP_RETURN_EXPR): Define.
14509 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
14510 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
14511 * tree-iterator.c (alloc_stmt_list): Assert that we are not
14512 creating a circular free list.
14513 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
14515 * tree-flow.h (move_sese_region_to_fn): Declare.
14516 (record_vars_into): Declare.
14517 * tree-cfg.c (make_omp_sections_edges): New.
14518 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
14519 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
14520 OMP_SECTIONS and OMP_SECTION.
14521 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
14522 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
14523 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
14524 (gather_blocks_in_sese_region): New.
14525 (struct move_stmt_d): Declare.
14526 (move_stmt_r): New.
14527 (move_block_to_fn): New.
14528 (move_sese_region_to_fn): New.
14530 * passes.c (init_optimization_passes): Schedule
14531 pass_expand_omp after pass_init_datastructures.
14533 * tree-ssa-operands.c (get_expr_operands): Handle
14534 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
14535 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
14537 2006-01-19 Jeff Law <law@redhat.com>
14539 * tree-vrp.c (extract_range_from_assert): Refine the result range
14540 if the variable referenced by the ASSERT_EXPR has a range and
14541 either the tentative result range or the previous range is a
14544 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14546 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
14548 2006-01-19 Jan Hubicka <jh@suse.cz>
14550 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
14552 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
14554 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
14555 (expand_compound_operation, expand_field_assignment): Fail if the
14556 bit lengths of an extract operation are out of range.
14557 (make_extraction): Compute wanted_inner_mode based on the position
14558 and length of the extraction. Make it extraction_mode for non-constant
14559 positions, and do not modify offset in that case. When generating a
14560 new MEM, use a mode that can hold the extraction while keeping correct
14561 alignment. Remove code that supported MEMs wrapped by USEs.
14562 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
14564 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
14566 * config/s390/s390.md ("Y", "y"): New mode attribute.
14567 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
14568 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
14569 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
14570 "*addsi3_imm_cc", "*addsi3_carry1_cc",
14571 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
14572 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
14573 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
14574 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
14575 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
14576 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
14577 "addsi3", "subsi3"): Insn patterns removed.
14578 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
14579 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
14580 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
14581 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
14582 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
14583 "*sub<mode>3_cconly2"): New insn patterns.
14584 ("addsi3", "subsi3"): New expanders.
14586 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
14588 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
14589 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
14590 existing STMT_VINFO_VECTYPE if available.
14591 (vect_mark_relevant): Add special handling for stmts that are
14592 marked as STMT_VINFO_IN_PATTERN_P.
14593 (vect_analyze_loop): Call vect_pattern_recog.
14594 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
14595 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
14597 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
14598 (vect_recog_func_ptr): New function-pointer type.
14599 * tree-vect-patterns.c: New file.
14600 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
14601 (vect_recog_dot_prod_pattern, vect_pattern_recog):
14602 (vect_pattern_recog_1): New functions.
14603 (vect_pattern_recog_funcs): New array of function pointers.
14605 * tree-vectorizer.h (ternary_op): New enum value.
14606 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
14607 declaration. Revised documentation. Removed redundant dump prints.
14608 Removed redundant argument. Added support for reduction patterns.
14609 (vectorizable_reduction): Added support for reduction patterns.
14610 (vect_transform_stmt): Added support for patterns.
14612 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
14613 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
14614 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
14615 (expand_widen_pattern_expr): New function.
14616 (init_optabs): Initialize new optabs udot_prod_optab,
14618 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
14619 (sdot_prod_optab, udot_prod_optab): Define new optabs.
14620 (expand_widen_pattern_expr): New function declaration.
14621 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
14623 * tree-inline.c (estimate_num_insns_1): Added cases for new
14624 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14625 * tree-pretty-print.c (dump_generic_node): Likewise.
14626 (op_prio): Likewise.
14627 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14628 * tree-ssa-operands.c (get_expr_operands): Added case for
14630 * tree-vect-patterns.c (widened_name_p): New function.
14631 (vect_recog_dot_prod_pattern): Added function implementation.
14632 * tree-vect-transform.c (get_initial_def_for_reduction): Added
14633 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
14634 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
14635 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
14637 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
14638 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
14639 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
14640 (init_optabs): Initialize new optabs widen_ssum_optab,
14642 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
14643 (widen_ssum_optab, widen_usum_optab): Define new optabs.
14644 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
14645 use instead of type of def.
14646 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
14647 function implementation.
14648 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
14649 widen_ssumv8hi): New.
14651 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
14654 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14657 * c-decl.c (add_flexible_array_elts_to_size): New function.
14658 (finish_decl): Use it.
14660 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
14662 * diagnostic.h: Include options.h.
14663 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
14664 dependancies for diagnostic.h.
14665 * Makefile.in (DIAGNOSTIC_H): Add options.h.
14667 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
14669 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
14670 (ssa_ro_call_cache_valid): Ditto.
14671 * tree-ssa-alias.c (sort_tags_by_id): New function.
14672 (init_transitive_clobber_worklist): Ditto.
14673 (add_to_worklist): Ditto.
14674 (mark_aliases_call_clobbered): Ditto.
14675 (compute_tag_properties): Ditto.
14676 (set_initial_properties): Ditto.
14677 (compute_call_clobbered): Ditto.
14678 (compute_may_aliases): Call compute_call_clobbered and grouping.
14679 (compute_flow_sensitive_aliasing): Remove clobbering related code.
14680 (compute_flow_insensitive_aliasing): Grouping now happens in our
14682 (setup_pointers_and_addressables): Remove clobbering related code.
14683 (add_may_alias): Ditto.
14684 (replace_may_alias): Ditto.
14685 (get_nmt_for): Ditto.
14686 (create_global_var):
14687 (is_escape_site): Return an escape_type enumeration.
14688 * tree-flow-inline.h (is_call_clobbered): Global var does not
14689 imply call clobbered.
14690 (mark_call_clobbered): Take a reason for marking this. Remove
14691 marking of globalness, and cache invalidation.
14692 (clear_call_clobbered): Remove cache invalidation code.
14693 * tree-dfa.c (dump_variable): If details is on, dump the reason
14695 * tree-outof-ssa.c (create_temp): Copy escape mask from original
14697 * tree-flow.h (struct ptr_info_def): Add escape mask member.
14698 (struct var_ann_d): Ditto.
14699 (enum escape_type): New.
14700 (mark_call_clobbered): Adjust prototype.
14701 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
14702 are never call clobbered.
14703 Record reasons for escaping.
14704 * tree-ssa-structalias.h (is_escape_site): Update prototype.
14705 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
14706 (ssa_ro_call_cache_valid): Ditto.
14707 (clobbered_v_may_defs): Ditto.
14708 (clobbered_vuses): Ditto.
14709 (ro_call_vuses): Ditto.
14710 (clobber_stats): New.
14711 (init_ssa_operands): Zero out clobber stats.
14712 (fini_ssa_operands): Print out clobber stats.
14713 (get_call_expr_operands): Pass callee fndecl to
14714 add_call_read_ops).
14715 (add_call_clobber_ops): Remove use of cache.
14716 Add use of PURE_CONST information.
14717 (add_call_read_ops): Remove use of cache.
14718 Add use of static not_read information.
14720 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
14722 Introduce TLS descriptors for i386 and x86_64.
14723 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
14724 (TARGET_ANY_GNU_TLS): New macro.
14725 (enum tls_dialect): Added TLS_DIALECT_GNU2.
14726 (struct machine_function): Add tls_descriptor_call_expanded_p.
14727 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
14728 (ix86_current_function_calls_tls_descriptor): Likewise.
14729 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
14730 (override_options): Introduce gnu2 tls dialect.
14731 (ix86_frame_pointer_required): Functions containing TLSCALLs are
14733 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
14735 (legitimize_tls_address): Adjust logic for GNU2 TLS.
14736 (ix86_init_machine_status): Initialize new field.
14737 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
14738 (ix86_tls_module_base): New.
14739 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
14740 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
14741 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
14742 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
14743 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
14744 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
14745 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
14746 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
14747 * config/i386/predicates.md (tls_modbase_operand): New.
14748 (tp_or_register_operand): New.
14750 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
14752 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
14753 (look_for_address_of): Ditto.
14754 (ipa_init): Walk the function decls.
14755 (static_execute): Don't set readonly on FUNCTION_DECL's.
14757 2006-01-18 Roger Sayle <roger@eyesopen.com>
14759 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
14760 for shifts where the source and destination registers are different.
14762 2006-01-18 Paul Brook <paul@codesourcery.com>
14764 Merge from csl-arm-branch.
14765 2005-03-14 Julian Brown <julian@codesourcery.com>
14766 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
14767 (aeabi_llsl): Likewise.
14768 (ashrdi3): Likewise.
14769 (aeabi_lasr): Likewise.
14770 (lshrdi3): Likewise.
14771 (aeabi_llsr): Likewise.
14772 2005-03-10 Julian Brown <julian@codesourcery.com>
14773 * config.gcc: Disable shared libgcc for SymbianOS.
14774 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
14776 2006-01-18 DJ Delorie <dj@redhat.com>
14778 * c-pragma.c (handle_pragma_diagnostic): New.
14779 (init_pragma): Register it.
14780 * doc/extend.texi: Document it.
14782 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
14783 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
14784 (diagnostic_context): Add classify_diagnostic[].
14785 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
14786 as errors if they're overridden to DK_WARNING.
14787 (diagnostic_initialize): Initialize classify_diagnostic[].
14788 (diagnostic_set_kind_override): New.
14789 (diagnostic_report_diagnostic): Check for kind changes.
14790 * opts.c (common_handle_option): Take lang_mask. Update callers.
14791 Handle OPT_Werror_.
14792 * common.opt (Werror=): New.
14793 * doc/invoke.texi: Document -Werror=*
14795 2006-01-18 Jeff Law <law@redhat.com>
14797 * tree-vrp.c (test_for_singularity): Correct test for new
14798 min limit. Use operand_equal_p rather than pointer equality
14799 for testing if new min/max values are equal.
14801 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
14802 using range information until after propagation and folding.
14804 2006-01-18 Richard Henderson <rth@redhat.com>
14805 Aldy Hernandez <aldyh@redhat.com>
14806 Jakub Jelinek <jakub@redhat.com>
14807 Diego Novillo <dnovillo@redhat.com>
14809 * omp-low.c: New file.
14810 * c-omp.c: New file.
14812 2006-01-18 Richard Henderson <rth@redhat.com>
14813 Jakub Jelinek <jakub@redhat.com>
14814 Diego Novillo <dnovillo@redhat.com>
14816 * doc/invoke.texi: Document -fopenmp.
14817 * tree-dump.h (debug_function): Declare.
14818 * hooks.c (hook_bool_tree_bool_false): New function.
14819 (hook_tree_tree_null): Remove.
14820 (hook_tree_tree_tree_null): New.
14821 * hooks.h: Update to match.
14822 * tree-pretty-print.c (debug_tree_chain): New.
14823 (print_generic_expr): Handle TDF_CHAIN.
14824 (dump_generic_node): Handle BLOCK.
14825 Do not abort with incomplete SWITCH_EXPRs.
14826 Do not dump body of an OpenMP directive if TDF_SLIM is given.
14827 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
14828 print space after directive name.
14829 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
14830 Handle OMP_MASTER and OMP_ORDERED.
14831 Handle printing of OMP_BODY just in one place, goto
14832 dump_omp_body in the rest of OMP_* nodes that have
14834 Don't handle clause nodes here. Update omp statements to
14835 use dump_omp_clauses.
14836 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
14837 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
14838 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
14839 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
14840 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
14841 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
14842 Adjust output for GOMP_PARALLEL.
14843 (dump_omp_clauses): New.
14844 (print_declaration): Dump DECL_VALUE_EXPR.
14845 (op_symbol_1): Split out of op_symbol.
14846 (dumping_stmts): Remove. Update all users.
14847 * cgraph.c (cgraph_analyze_queue): New.
14848 (cgraph_add_new_function): New.
14849 * cgraph.h (cgraph_analyze_queue): Declare.
14850 (cgraph_add_new_function): Declare.
14851 (cgraph_lower_function): Remove.
14852 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
14853 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
14854 and TYPE_P nodes in its default clause.
14855 (empty_body_p): New.
14856 (tree_range_check_failed): New.
14857 (build5_stat): New.
14858 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
14859 OMP_CLAUSE_REDUCTION_MERGE,
14860 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
14861 OMP_CLAUSE_PRIVATE_DEBUG,
14862 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
14863 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
14864 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
14865 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
14866 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
14867 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
14868 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
14869 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
14870 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
14871 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
14872 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
14873 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
14874 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
14875 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
14876 (TREE_RANGE_CHECK): New.
14877 (empty_body_p): Declare.
14878 (enum omp_clause_default_kind): New.
14879 (build_string_literal): Declare.
14880 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
14881 (build5_stat, build5): Declare.
14882 * tree-pass.h (TDF_CHAIN): Define.
14883 * tree-pass.h (PROP_gimple_lomp): Define.
14884 (pass_lower_omp): Declare.
14885 * diagnostic.h (debug_tree_chain): Declare.
14886 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
14888 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
14889 * builtins.c (build_string_literal): Make extern.
14890 * gcc.c (include_spec_function): New.
14891 (static_spec_functions): Add it.
14892 (main): Move load of libgomp.spec ...
14893 (LINK_COMMAND_SPEC): ... here.
14894 (link_gomp_spec): New.
14895 (static_specs): Include it.
14896 (LINK_COMMAND_SPEC): Add link_gomp.
14897 (GOMP_SELF_SPECS): New.
14898 (driver_self_specs): Include it.
14899 (switch_matches): Don't mark inline.
14900 (main): Load libgomp.spec.
14901 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
14902 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
14903 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
14904 * tree-gimple.h (enum omp_parallel): Declare.
14905 (determine_parallel_type): Declare.
14906 (omp_firstprivatize_variable): Declare.
14907 (omp_reduction_init): Declare.
14908 (diagnose_omp_structured_block_errors): Declare.
14909 (struct walk_stmt_info): Add want_return_expr.
14910 (struct walk_stmt_info): Add want_bind_expr, want_locations.
14911 (find_omp_clause): Declare.
14912 (insert_field_into_struct): Declare.
14913 (struct walk_stmt_info): Move from tree-nested.c
14914 (walk_stmts): Declare.
14915 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
14917 * cgraphunit.c (cgraph_lower_function): Make static.
14918 (cgraph_finalize_pending_functions): New.
14919 (cgraph_finalize_function): Call it.
14920 (cgraph_finalize_compilation_unit): Likewise.
14921 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
14922 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
14923 (BT_FN_UINT_UINT): New.
14924 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
14925 DEF_FUNCTION_TYPE_VAR_4): Document.
14926 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
14927 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
14928 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
14929 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
14930 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
14931 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
14932 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
14933 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
14934 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
14935 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
14936 into separate files.
14937 (DEF_GOMP_BUILTIN): New.
14938 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
14939 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
14940 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
14941 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
14942 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
14943 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
14944 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
14945 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
14946 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
14947 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
14948 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
14949 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
14950 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
14951 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
14952 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
14953 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
14954 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
14955 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
14956 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
14957 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
14958 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
14959 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
14960 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
14961 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
14962 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
14963 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
14964 * sync-builtins.def: New file, moved from builtins.def.
14965 * omp-builtins.def: New file, moved from builtins.def.
14966 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
14967 * gimple-low.c (lower_function_body): Clear data.
14968 (lower_stmt): Do not handle COMPOUND_EXPR.
14969 Remove call to print_node_brief.
14970 * c-tree.h (c_finish_omp_clauses): New prototype.
14971 (C_DECL_THREADPRIVATE_P): Define.
14972 (lookup_name_no_remap, c_omp_remap_private): Remove
14973 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
14974 (check_for_loop_decls): Update decl.
14975 (lookup_name_no_remap, c_omp_remap_private): Declare.
14976 (build_indirect_ref, build_modify_expr, pushdecl,
14977 pushdecl_top_level): Move to c-common.h.
14978 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
14979 before the switch, but just in the 2 places that need it.
14980 * c-decl.c (diagnose_mismatched_decls): Do not check for
14981 mismatched thread-local attributes when OLDDECL is marked
14982 threadprivate and NEWDECL has no thread-local attributes.
14983 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
14984 (c_gimple_diagnostics_recursively): Rename from
14985 c_warn_unused_result_recursively. Invoke
14986 diagnose_omp_structured_block_errors.
14987 (check_for_loop_decls): Return a singular decl found.
14988 * langhooks.c (lhd_omp_predetermined_sharing): Return
14989 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
14990 (lhd_omp_firstprivatize_type_sizes): New.
14991 (lhd_omp_assignment): New.
14992 (lhd_omp_predetermined_sharing): New.
14993 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
14994 (struct lang_hooks_for_types): Add
14995 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
14996 omp_predetermined_sharing, omp_disregard_value_expr,
14997 omp_private_debug_clause, omp_clause_default_ctor,
14998 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
14999 (c_finish_omp_clauses): New.
15000 (c_finish_bc_stmt): Diagnose break within omp for.
15001 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15002 (build_unary_op): Return error_mark after reporting
15004 (build_modify_expr): Likewise.
15005 * gimplify.c: Include optabs.h and pointer-set.h.
15006 (enum gimplify_omp_var_data): Declare.
15007 (struct gimplify_omp_ctx): Declare.
15008 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15010 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15011 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15012 (splay_tree_compare_decl_uid): New.
15013 (new_omp_context): New.
15014 (delete_omp_context): New.
15015 (gimple_add_tmp_var): Call omp_add_variable.
15016 (gimplify_bind_expr): Likewise.
15017 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15018 true, disregard DECL_VALUE_EXPR on the decl if any.
15019 (gimplify_expr_in_ctx): New.
15020 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15021 omp_add_variable, omp_notice_variable, omp_is_private
15022 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15023 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15024 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15025 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15026 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15027 gimplify_omp_atomic): New.
15028 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15029 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15030 OMP_CRITICAL and OMP_ATOMIC.
15031 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15032 * c-pragma.h (enum pragma_kind): Add
15033 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15034 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15035 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15036 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15037 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15038 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15039 PRAGMA_OMP_THREADPRIVATE.
15040 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15041 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15042 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15043 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15044 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15045 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15046 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15047 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15048 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15049 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15050 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15051 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15052 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15054 (struct nesting_info): Add field_map,
15055 suppress_expansion, debug_var_chain.
15056 (create_nesting_tree): Initialize them.
15057 (lookup_field_for_decl): Use field_map.
15058 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15059 (convert_local_omp_clauses): New.
15060 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15061 (walk_body): Split out of walk_function.
15062 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15063 (convert_nonlocal_reference): Handle omp statements.
15064 (convert_local_reference): Likewise.
15065 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15066 (unnest_nesting_tree): New.
15067 (lower_nested_functions): Call it.
15068 (insert_field_into_struct): Make extern.
15069 (struct walk_stmt_info): Move to tree-gimple.h.
15070 (walk_stmts): Make extern.
15071 * omp-builtins.def: New file.
15072 * tree-iterator.c (expr_only): Clarify comment.
15073 * c-common.h (pushdecl_top_level, pushdecl,
15074 build_modify_expr, build_indirect_ref,
15075 c_finish_omp_master, c_finish_omp_critical,
15076 c_finish_omp_ordered, c_finish_omp_barrier,
15077 c_finish_omp_atomic, c_finish_omp_flush,
15078 c_finish_omp_for, c_split_parallel_clauses,
15079 omp_clause_default_kind, c_omp_sharing_predetermined,
15080 c_omp_remap_decl): Declare.
15081 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15082 (OBJS-common): Add omp-low.o.
15083 (c-omp.o, omp-low.o): Add.
15084 (gimplify.o): Add dependency on $(OPTABS_H).
15085 (GTFILES): Add omp-low.c.
15086 (gt-stringpool.h): Add.
15087 * tree-cfg.c (set_bb_for_stmt): Do not update the
15088 block-to-labels map if we are currently expanding to RTL.
15089 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15091 Handle IDENTIFIER_NODE.
15092 (tree_verify_flow_info): Do not ICE when emitting error
15093 messages about invalid labels.
15094 (dump_function_to_file): Reset CFUN before emitting the body
15096 (debug_function): New.
15097 * passes.c (init_optimization_passes): Schedule
15099 * langhooks-def.h (lhd_omp_predetermined_sharing,
15100 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15102 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15103 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15104 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15105 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15106 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15107 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15108 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15109 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15110 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15111 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15112 (LANG_HOOK_DECLS): Use them.
15114 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15115 Richard Henderson <rth@redhat.com>
15116 Jakub Jelinek <jakub@redhat.com>
15117 Diego Novillo <dnovillo@redhat.com>
15119 * c-parser.c (pragma_omp_clause): Define.
15120 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15121 (c_parser_compound_statement): Likewise.
15122 (c_parser_statement): Likewise.
15123 (c_parser_pragma): Handle omp pragmas.
15124 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15125 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15126 (c_parser_omp_clause_name, check_no_duplicate_clause,
15127 c_parser_omp_variable_list,
15128 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15129 c_parser_omp_clause_copyprivate,
15130 c_parser_omp_clause_default,
15131 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15132 c_parser_omp_clause_lastprivate,
15133 c_parser_omp_clause_nowait,
15134 c_parser_omp_clause_num_threads,
15135 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15136 c_parser_omp_clause_reduction,
15137 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15138 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15139 c_parser_omp_atomic, c_parser_omp_barrier,
15140 c_parser_omp_critical, c_parser_omp_flush,
15141 c_parser_omp_for_loop, c_parser_omp_for,
15142 c_parser_omp_master, c_parser_omp_ordered,
15143 c_parser_omp_sections_scope, c_parser_omp_sections,
15144 c_parser_omp_parallel, c_parser_omp_single,
15145 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15146 * c-pragma.c (init_pragma): Do omp pragma registration here.
15147 * c.opt (fopenmp): New flag.
15149 2006-01-18 Eric Christopher <echristo@apple.com>
15151 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15152 * config/darwin.h (GOMP_SELF_SPECS): Define.
15154 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15156 * rtl.h: Remove the prototype for reg_alloc.
15158 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15161 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15162 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15163 sjlj and dwarf2 exception handling.
15164 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15165 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15166 * pa/pa.c (function_value): Treat complex and vector types as
15168 (function_arg): Likewise. Only pass scalar floats in the floating
15169 point argument registers.
15170 * pa/t-slibgcc-dwarf-ver: New file.
15171 * pa/t-slibgcc-sjlj-ver: New file.
15172 * pa/t-slibgcc-elf-ver: Delete file.
15174 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15176 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15177 unlikely_test_section_p test.
15179 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15181 * mode-switching.c (optimize_mode_switching): Make it static.
15182 * basic-block.h: Remove the prototype for
15183 optimize_mode_switching.
15185 * modulo-sched.c (sms_schedule): Make it static.
15186 * rtl.h: Remove the prototype for sms_schedule.
15188 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15189 * rtl.h: Remove the prototype for gcse_after_reload_main.
15191 * reg-stack.c (reg_to_stack): Make it static.
15192 * rtl.h: Remove the prototype for reg_to_stack.
15194 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15196 * rtl.h: Remove the prototypes for regrename_optimize and
15197 copyprop_hardreg_forward.
15199 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15201 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15202 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15203 Test against the appropriate null constant for the mode.
15204 If 'fixup_overlap' is true, swap the operands if they overlap.
15205 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15206 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15207 alpha_split_tmode_pair and adjust for above change.
15208 * config/alpha/alpha.md (movtf_internal): Adjust call to
15209 alpha_split_tfmode_pair and rely on it to swap the operands.
15210 (movti_internal): New insn and post-reload splitter.
15211 (movti): New expander.
15213 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15215 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15218 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15220 * rtlanal.c (global_reg_mentioned_p_1,
15221 global_reg_mentioned_p): Remove.
15222 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15224 * flow.c (initialize_uninitialized_subregs): Make it static.
15225 * rtl.h: Remove the prototype for
15226 initialize_uninitialized_subregs.
15228 * function.c (instantiate_virtual_regs): Make it static.
15229 * function.h: Remove the prototype for
15230 instantiate_virtual_regs.
15232 * regmove.c (regmove_optimize, combine_stack_adjustments):
15234 * rtl.h: Remove the prototypes for regmove_optimize and
15235 combine_stack_adjustments.
15237 2006-01-17 Roger Sayle <roger@eyesopen.com>
15239 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15240 (size_cost): Encode costs in bytes so that a reg-reg addition is
15241 equivalent to COSTS_N_INSNS(1).
15242 (override_options): Use the size_cost.branch_cost as the default
15243 ix86_branch_cost when optimizing for size.
15245 2006-01-18 Ben Elliston <bje@au.ibm.com>
15247 * Makefile.in (D32PBIT_FUNCS): New.
15248 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15249 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15250 D64PBIT_FUNCS and D128PBIT_FUNCS.
15251 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15252 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15254 (decnumber_dep): Define.
15255 * doc/libgcc.texi (Decimal float library routines): New node.
15256 * config/dfp-bit.h, config/dfp-bit.c: New files.
15258 2006-01-18 Ben Elliston <bje@au.ibm.com>
15260 * expr.c (emit_move_change_mode): Always adjust addresses, not
15261 just during reload. Copy replacements only during reload.
15262 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
15263 emit_move_via_integer.
15265 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
15267 * Makefile.in (check-%, check-consistency): Use $${srcdir}
15268 instead of $(srcdir) and ${srcdir}.
15270 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
15273 PR middle-end/11135
15274 * arm.h (struct machine_function): Add pic_reg.
15275 * arm.c (arm_pic_register): Make unsigned.
15276 (arm_override_options): Only set arm_pic_register if
15277 TARGET_SINGLE_PIC_BASE.
15278 (use_return_insn): Only test for a pic register if it is fixed.
15279 (arm_compute_save_reg0_reg12_mask): Likewise.
15280 (thumb_compute_save_reg_mask): Likewise.
15281 (legitimate_pic_operand): Factor out some known invariants.
15282 (legitimize_pic_address): If we don't have a fixed pic register,
15283 then set up a pseudo in the function entry sequence. Handle the
15284 pic base being in a pseudo.
15285 (arm_load_pic_register): Handle the pic register being in a pseudo.
15286 (arm_expand_prologue): Only set up the pic register if it is fixed.
15287 (thumb_expand_prologue): Likewise.
15288 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15289 (pic_load_addr_based_insn): Likewise.
15290 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15293 2006-01-18 Ben Elliston <bje@au.ibm.com>
15295 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15296 decimal float modes for all floating point registers.
15298 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15299 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15301 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15304 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15305 even when the pointer is not NULL.
15307 2006-01-16 Ian Lance Taylor <ian@airs.com>
15309 * common.opt (ftoplevel-reorder): New option.
15310 * cgraph.c (cgraph_asm_nodes): New global variable.
15311 (cgraph_asm_last_node): New static variable.
15312 (cgraph_order): New global variable.
15313 (cgraph_create_node): Set new order field.
15314 (cgraph_varpool_node): Likewise.
15315 (decide_is_variable_needed): Return true if not
15316 flag_toplevel_reorder.
15317 (cgraph_add_asm_node): New function.
15318 * cgraph.h (struct cgraph_node): Add order field.
15319 (struct cgraph_varpool_node): Add order field.
15320 (struct cgraph_asm_node): Define.
15321 (cgraph_asm_nodes, cgraph_order): Declare.
15322 (cgraph_add_asm_node): Declare.
15323 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15325 (cgraph_varpool_assemble_pending_decls): Call it.
15326 (cgraph_output_pending_asms): New static function.
15327 (cgraph_finalize_compilation_unit): Call it.
15328 (struct cgraph_order_sort): Define.
15329 (cgraph_output_in_order): New static function.
15330 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15331 !flag_toplevel_reorder case.
15332 * c-parser.c: Include "cgraph.h".
15333 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
15335 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15336 than -fno-unit-at-a-time.
15337 * doc/invoke.texi (Option Summary): Mention
15338 -fno-toplevel-reorder.
15339 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15340 -funit-at-a-time documentation.
15342 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
15343 Kazu Hirata <kazu@codesourcery.com>
15345 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
15347 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
15349 * Makefile.in (FUNCTION_H): New. Use it instead of
15350 function.h throughout the file.
15351 * function.h: Include tree.h.
15353 2006-01-17 Ben Elliston <bje@au.ibm.com>
15355 * recog.c: Separate some functions with whitespace.
15357 2006-01-16 Richard Henderson <rth@redhat.com>
15359 Merge from gomp branch:
15360 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
15361 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
15362 and rename from struct inline_data. Rename callee* to dst*;
15363 caller* to src*; add copy_decl hook, transform_call_graph_edges,
15364 transform_new_cfg, transform_return_to_modify, and
15365 transform_lang_insert_block flags; remove cloning_p, versioning_p,
15367 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
15368 (copy_decl_for_dup): Remove.
15369 * tree-inline.c (struct inline_data): Move to header.
15370 (insert_decl_map): Export.
15371 (remap_decl): Update for member name changes. Use copy_decl hook.
15372 Allow for replacement to be a non-decl. Remove dead code.
15373 (remap_type_1): Check for existing mapping.
15374 (remap_type): Export.
15375 (remap_decls): Update for member name changes.
15376 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
15377 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
15378 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
15379 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
15380 (tree_function_versioning, build_duplicate_type): Likewise.
15381 (copy_body_r): Likewise. Export.
15382 (copy_decl_for_dup): Split into ...
15383 (copy_decl_for_dup_finish, copy_decl_to_var,
15384 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
15385 (replace_ref_tree, inlining_p): Remove.
15387 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15389 * ifcvt.c (if_convert): Make it static.
15390 * rtl.h: Remove the prototype for if_convert.
15392 * local-alloc.c (local_alloc): Make it static.
15393 * rtl.h: Remove the prototype for local_alloc.
15395 * loop.c (loop_optimize): Make it static.
15396 * cfgloop.h: Remove the prototype for loop_optimize.
15399 2006-01-16 DJ Delorie <dj@redhat.com>
15401 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
15404 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15406 * pa.md: Disparage copies between general and floating-point registers
15407 in 32-bit move patterns.
15409 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
15412 * Makefile.in (check-%): Depend on site.exp instead of
15413 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
15416 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15418 * global.c (global_alloc): Make it static.
15419 * rtl.h: Remove the prototype for global_alloc.
15421 2006-01-16 Richard Guenther <rguenther@suse.de>
15423 * tree-ssa-alias.c (struct used_part): Add write_only field.
15424 (get_or_create_used_part_for): Initialize it to true.
15425 (create_overlap_variables_for): Don't create structure variables
15426 for structures that only are written to.
15427 (find_used_portions): Handle MODIFY_EXPR to track whether a
15428 structure is only written to.
15430 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15432 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
15434 * basic-block.h: Remove the prototype for
15435 partition_hot_cold_basic_blocks.
15437 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
15439 * cppspec.c (lang_specific_spec_functions): Remove.
15440 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
15441 * gcc.h (lang_specific_spec_functions): Remove.
15442 * gccspec.c (lang_specific_spec_functions): Remove.
15444 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
15446 * combine.c (record_value_for_reg): Invalidate registers
15448 (record_dead_and_set_regs_1): Likewise, by passing them to
15449 record_value_for_reg.
15450 (record_dead_and_set_regs): Invalidate stores made by a
15451 call. We do not combine across a call, but we still
15452 relied on equivalences.
15454 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15456 * tree-vrp.c (extract_range_from_binary_expr): Cope with
15457 vrp_int_const_binop returning non-constant nodes.
15459 2006-01-16 Paul Brook <paul@codesourcery.com>
15461 * config/m68k/m68k.c (output_move_const_into_data_reg):
15462 Output correct mnemonic for mvz and mvs.
15464 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
15466 * rtl-factoring.c: Add sequence abstraction algorithm.
15467 * cfgcleanup.c (outgoing_edges_match): Extra checks.
15468 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
15470 (block_has_preserve_label): New function.
15471 * common.opt: Register new pass.
15472 * Makefile.in: Ditto.
15474 * timevar.def: Ditto.
15475 * tree-pass.h: Ditto.
15476 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
15477 * rtl.h (make_jump_insn_raw): Add forward decl.
15478 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
15480 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15481 Roger Sayle <roger@eyesopen.com>
15483 * fold-const.c (fold_minmax): New static function.
15484 (fold_binary) <MIN_EXPR>: Call it.
15485 <MAX_EXPR>: Likewise.
15486 * stor-layout.c (place_field): Use DECL_SIZE consistently
15487 in the computation of the new record size.
15489 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15491 * cse.c (cse_condition_code_reg): Make it static.
15492 * rtl.h: Remove the prototype for cse_condition_code_reg.
15494 * combine.c (combine_instructions): Make it static.
15495 * rtl.h: Remove the prototype for combine_instructions.
15497 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15500 * tree.c (get_file_function_name_long): Concatenate the first global
15501 object name with a string derived from the input filename of the object
15504 2006-01-16 Ben Elliston <bje@au.ibm.com>
15506 * config/i386/winnt-stubs.c: Update FSF address.
15507 * config/xtensa/ieee754-df.S: Ditto.
15508 * config/xtensa/ieee754-sf.S: Ditto.
15510 2006-01-14 Ian Lance Taylor <ian@airs.com>
15512 * ifcvt.c (noce_init_if_info): New static function, broken out of
15513 noce_process_if_block.
15514 (noce_process_if_block): Call noce_init_if_info.
15515 (check_cond_move_block): New static function.
15516 (cond_move_process_if_block): New static function.
15517 (process_if_block): Call cond_move_process_if_block.
15519 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
15521 * cselib.c (hash_table): Rename to cselib_hash_table.
15522 (cselib_clear_table, discard_useless_values,
15523 remove_useless_values, cselib_lookup_mem, cselib_lookup,
15524 cselib_init, cselib_finish): Adjust uses of hash_table.
15526 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
15528 PR tree-optimization/25485
15529 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
15530 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
15531 is known to be false and true, respectively.
15533 2006-01-14 Richard Guenther <rguenther@suse.de>
15535 PR tree-optimization/22548
15536 PR tree-optimization/22555
15537 PR tree-optimization/22501
15538 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
15539 * params.def (salias-max-array-elements): New parameter.
15540 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
15541 * doc/invoke.texi (salias-max-array-elements): Document.
15542 * tree-flow-inline.h (var_can_have_subvars): We also handle
15544 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
15546 * tree-ssa-structalias.c (params.h): Include.
15547 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
15548 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
15549 (get_constraint_for): For ADDR_EXPR operating on something
15550 containing an ARRAY_REF, add all subvars to the solution.
15551 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
15552 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
15553 for creating MUST_DEFs.
15554 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
15556 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
15558 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
15560 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
15561 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
15562 number_of_iterations_le): New functions.
15563 (number_of_iterations_special): Removed.
15564 (number_of_iterations_exit): Do not use number_of_iterations_special.
15565 * tree.c (unsigned_type_for): Always return integer type.
15567 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
15568 Richard Guenther <rguenther@suse.de>
15570 PR rtl-optimization/24257
15571 * gcse.c (find_moveable_store): Only consider a store movable
15572 when the SET_SRC of the insn can be assigned to a register.
15574 2006-01-14 Ian Lance Taylor <ian@airs.com>
15576 * tree.c (tree_not_class_check_failed): New function.
15577 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
15578 (tree_not_class_check_failed): Declare.
15580 2006-01-13 Ian Lance Taylor <ian@airs.com>
15582 * reload1.c (do_output_reload): Add assertion rejecting a
15585 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
15587 * combine.c (struct reg_stat): Add new fields truncation_label and
15589 (record_value_for_reg): Reset truncated_to_mode.
15590 (record_truncated_value): New function.
15591 (check_promoted_subreg): Call it. Rename to check_conversions.
15592 (combine_instructions): Rename check_promoted_subreg to
15594 (reg_truncated_to_mode): New function.
15595 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
15596 (gen_lowpart_or_truncate): New function.
15597 (force_to_mode): Use it instead of gen_lowpart.
15599 2006-01-13 Diego Novillo <dnovillo@redhat.com>
15601 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
15602 VAR is a tag, not its type tag.
15604 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
15606 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
15607 alternatives to match style of other entries.
15608 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
15610 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
15612 PR tree-optimization/25771
15613 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
15616 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
15619 * tree-inline.c (declare_return_variable): If the return variable
15620 was marked as a non gimple complex, set the return slot variable
15621 to be a non gimple comple variable.
15623 2006-01-13 Richard Guenther <rguenther@suse.de>
15625 * builtins.c (expand_builtin_sincos): New function.
15626 (expand_builtin_mathfn_3): Remove dead code, sin and cos
15628 (expand_builtin): Expand sincos using expand_builtin_sincos.
15630 2006-01-12 DJ Delorie <dj@redhat.com>
15632 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
15633 shift counts, separate SI shifts for m32c vs m16c, pass shift type
15634 so that constant shifts can be split.
15635 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
15636 (m32c_valid_pointer_mode): Make static.
15637 (shift_gen_func_for): New.
15638 (m32c_prepare_shift): Use it. Split large const shifts into
15640 * config/m32c/predicates.md (shiftcount_operand): Allow more
15642 (longshiftcount_operand): New.
15643 * doc/md.texi (Machine Constraints): Document In6.
15645 2006-01-13 Ben Elliston <bje@au.ibm.com>
15647 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
15648 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
15651 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
15653 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
15654 to try to avoid clobbering pieces of structures when we know
15655 something about the whole structure.
15656 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
15658 2006-01-13 Ben Elliston <bje@au.ibm.com>
15660 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
15661 return in memory, as this is no limitation is no longer present.
15663 2006-01-12 DJ Delorie <dj@redhat.com>
15665 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
15666 mova with fb, and for fb+0 -> An.
15668 * config/m32c/mov.md (peephole2): Fix enabling logic.
15670 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
15671 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
15672 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
15673 FINI_ARRAY_SECTION_ASM_OP): Define.
15675 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
15677 (m32c_legitimize_reload_address): New logic to reload FB to An.
15678 (m32c_output_reg_push): Add newline.
15679 (m32c_output_reg_pop): Likewise.
15681 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
15683 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
15685 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
15687 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
15689 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15691 * config/sh/predicates.md (sh_rep_vec): Add parallel to
15694 2006-01-11 Ben Elliston <bje@au.ibm.com>
15696 * rtlanal.c (find_reg_note): Assert insn is not null.
15698 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15700 * df-scan.c (df_hard_reg_init): Move declaration of i outside
15703 2006-01-11 Jeff Law <law@redhat.com>
15705 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
15707 (mark_threaded_blocks, register_jump_thread): New functions.
15708 (thread_through_all_blocks): Remove unwanted argument. No
15709 longer rely on e->aux to communicate thread target info.
15710 Call mark_threaded_blocks. Release the threaded_blocks
15711 bitmap and threaded_edges vector when complete.
15712 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
15713 (threaded_blocks): Remove.
15714 (tree_ssa_dominator_optimize): Remove initialization and
15715 finalization of threaded_blocks. Simplify call to
15716 thread_through_all_blocks.
15717 (thread_across_edge): Call register_jump_thread rather than
15718 storing thread information into e->aux.
15719 (free_all_edge_infos): Simplify now that e->aux is no longer
15720 used to communicate with thread_through_all_blocks.
15721 * tree-flow.h (thread_through_all_blocks): Update prototype.
15722 (register_jump_thread): Prototype.
15724 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15726 * df-core.c (df_compact_blocks, df_bb_replace): Use
15727 SET_BASIC_BLOCK instead of BASIC_BLOCK.
15729 2006-01-11 Richard Guenther <rguenther@suse.de>
15731 PR tree-optimization/25734
15732 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
15733 stop propagation after successful propagation to the LHS.
15735 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15737 * basic-block.h (control_flow_graph): Change the type of
15738 x_basic_block_info to VEC(basic_block,gc) *.
15739 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
15741 (SET_BASIC_BLOCK): New.
15742 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
15743 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
15744 * cfgbuild.c (find_basic_blocks): Likewise.
15745 * cfglayout.c (fixup_reorder_chain): Likewise.
15746 * cfgrtl.c (create_basic_block_structure,
15747 rtl_create_basic_block): Likewise.
15748 * ifcvt.c (find_if_case_1): Likewise.
15749 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
15752 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15754 * Makefile.in: Removed rotted odf.c entry.
15756 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
15759 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
15760 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
15761 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
15762 output pattern modifier, not %e.
15763 * config/cris/cris.c (cris_op_str): Update comment about pattern
15765 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
15766 before falling through into...
15767 <case 'E'>: Redefined from old 'e' case.
15769 2006-01-11 Jan Hubicka <jh@suse.cz>
15772 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
15774 2006-01-11 Jan Hubicka <jh@suse.cz>
15776 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
15777 * i386.c (x86_decompose_lea): Kill.
15778 (ix86_rtx_costs): Kill.
15780 2006-01-11 Jan Hubicka <jh@suse.cz>
15782 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
15783 * cgraph.h (cgraph_node): Add inline_decl.
15784 (cgraph_insert_node_to_hashtable): Declare.
15785 (save_inline_function_body): Declare.
15786 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
15788 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
15789 (cgraph_function_versioning): Update call of tree_function_versioning.
15790 (save_inline_function_body): New function.
15791 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
15792 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
15793 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
15794 (cgraph_default_inline_p): Likewise.
15795 (cgraph_decide_inlining_incrementally): Likewise.
15796 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
15797 (copy_bb): Kill saving; do updating of clones.
15798 (copy_cfg_body): Kill saving.
15799 (initialize_inlined-parameters): Likewise.
15800 (expand_call_inline): Likewise.
15802 (tree_function_versioning): New parameter "update_clones".
15803 (inlining_p): Kill saving.
15804 * tree-inline.h (tree_function_versioning): Update prototype.
15805 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
15808 2006-01-11 Ian Lance Taylor <ian@airs.com>
15810 * combine.c (struct undo): Remove is_int. Enumify types of undos.
15811 Allow undoing set of machine mode.
15812 (do_SUBST): Use enums instead of is_int.
15813 (do_SUBST_MODE): New function.
15814 (SUBST_MODE): New macro.
15815 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
15816 reg and trying to replace reg_regno_rtx with a new register.
15817 (undo_all): Use new enums, handle undoing a PUT_MODE change.
15818 (simplify_set): Use SUBST_MODE.
15819 (distribute_notes): Remove code that tried to update reg notes
15820 for regno_reg_rtx changes.
15822 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
15824 PR tree-optimization/23109
15825 PR tree-optimization/23948
15826 PR tree-optimization/24123
15828 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
15829 * tree-cfg.c (single_noncomplex_succ): New.
15830 * tree-flow.h (single_noncomplex_succ): Declare it.
15831 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15832 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15833 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
15834 insert_bb, register_division_in, insert_reciprocals,
15835 replace_reciprocal, free_bb): New.
15836 (execute_cse_reciprocals_1): Rewritten.
15837 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
15838 Do not commit any edge insertion. Always compute dominators and
15839 create the allocation pool.
15840 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
15841 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
15842 * targhooks.c (default_min_divistions_for_recip_mul): New.
15843 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
15844 * passes.c (init_optimization_passes): Run recip after tree loop
15846 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
15848 2006-01-11 Danny Berlin <dberlin@dberlin.org>
15849 Kenneth Zadeck <zadeck@naturalbridge.com>
15851 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
15852 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
15853 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
15854 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
15855 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
15856 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
15857 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
15858 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
15859 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
15860 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
15861 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
15862 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
15863 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
15864 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
15865 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
15866 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
15867 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
15868 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
15869 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
15870 DF_SCAN_POST_ALLOC): New macros.
15871 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
15872 df_free_bb_function, df_local_compute_function, df_init_function,
15873 df_dataflow_function, df_confluence_function_0,
15874 df_confluence_function_n, df_transfer_function,
15875 df_finalizer_function, df_free_function, df_dump_problem_function,
15876 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
15877 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
15878 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
15879 df_urec_bb_info, ) New types.
15880 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
15882 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
15883 df_analyze_simple_change_some_blocks,
15884 df_analyze_simple_change_one_block, df_compact_blocks,
15885 df_bb_replace, df_bb_regno_last_use_find,
15886 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
15887 df_insn_regno_def_p, df_find_def, df_find_use,
15888 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
15889 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
15890 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
15891 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
15892 debug_df_chain, df_get_dependent_problem, df_chain_create,
15893 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
15894 df_grow_bb_info, df_chain_dump, df_print_bb_index,
15895 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
15896 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
15897 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
15898 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
15899 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
15900 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
15901 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
15902 df_ref_remove, df_insn_refs_delete, df_refs_delete,
15903 df_reorganize_refs, df_set_state, df_hard_reg_init,
15904 df_read_modify_subreg_p) New public functions.
15905 * df-core.c: The core dataflow solver and glue routines for rtl
15907 (df_init, df_add_problem, df_set_blocks, df_finish,
15908 df_hybrid_search_forward, df_hybrid_search_backward,
15909 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
15910 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
15911 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
15912 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
15913 df_reg_defined, df_find_use, df_reg_used, df_dump,
15914 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
15915 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
15916 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
15917 debug_df_useno, reset_df_after_reload): New functions.
15918 * df-scan.c: The scanning fuctions, once in df.c, completely
15919 rewritten so that they now fully model the functionality of
15920 register usage at the backend.
15921 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
15922 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
15923 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
15924 df_grow_insn_info, df_rescan_blocks, df_ref_create,
15925 df_get_artificial_defs, df_get_artificial_uses,
15926 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
15927 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
15928 df_refs_delete, df_reorganize_refs, df_set_state,
15929 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
15930 df_def_record_1, df_defs_record, df_uses_record,
15931 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
15932 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
15933 df_record_exit_block_uses, df_hard_reg_init): New functions.
15935 * df-problems.c: Seven concrete dataflow problems that use the
15936 scanning in df-scan.c and are solved by the engine in df-core.c.
15937 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
15938 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
15939 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
15940 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
15941 df_ru_free_bb_info, df_ru_alloc,
15942 df_ru_bb_local_compute_process_def,
15943 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
15944 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
15945 df_ru_transfer_function, df_ru_free, df_ru_dump,
15946 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
15947 df_rd_free_bb_info, df_rd_alloc,
15948 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
15949 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
15950 df_rd_transfer_function, df_rd_free, df_rd_dump,
15951 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
15952 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
15953 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
15954 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
15955 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
15956 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
15957 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
15958 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
15959 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
15960 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
15961 df_urec_mark_reg_change, df_urec_check_earlyclobber,
15962 df_urec_mark_reg_use_for_earlyclobber,
15963 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
15964 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
15965 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
15966 df_urec_dump, df_urec_add_problem, df_chain_alloc,
15967 df_chain_create_bb_process_use, df_chain_create_bb,
15968 df_chain_finalize, df_chain_free, df_chains_dump,
15969 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
15970 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
15971 df_reg_lifetime): New functions.
15972 * df.c: Deleted file.
15973 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
15974 consistent with new df api.
15975 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
15976 rest_of_handle_sms): Ditto.
15977 * web.c (unionfind_union, union_defs, entry_register, web_main):
15979 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
15980 invariant_expr_equal_p, find_defs, check_dependencies,
15981 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
15982 free_inv_motion_data, move_loop_invariants): Ditto.
15983 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
15984 Update dependencies.
15985 (odf.c): Added defective entry that was deleted later in day.
15986 * sched-deps.c (sched_analyze_1): Ditto.
15988 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
15990 * tree-ssa-operands.c (get_expr_operands): Record addressable
15991 variables directly. Do not call add_stmt_operands for CONST_DECLs
15993 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
15994 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
15996 2006-01-11 Ben Elliston <bje@au.ibm.com>
15998 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
15999 function returns true in the positive case.
16001 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16004 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16005 for SI, DI, SF and DF modes. Add alternatives to copy between
16006 general and floating point registers to the 32-bit patterns.
16007 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16008 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16009 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16010 generating 64-bit code.
16011 * config/pa/pa.c (output_move_double): Handle copies between general
16012 and floating registers.
16014 2006-01-10 Stuart Hastings <stuart@apple.com>
16016 * config/i386/i386.md (set_got): Update.
16017 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16018 (builtin_setjmp_receiver): Mach-O support.
16019 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16020 (GOT_SYMBOL_NAME): Define.
16021 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16022 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16023 * config/i386/i386.c (override_options): Revise for Darwin.
16024 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16025 support. (darwin_x86_file_end): New. (output_set_got): Add label
16026 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16027 * config/i386/i386-protos.h (output_set_got): Likewise.
16028 * config/darwin.c (machopic_legitimize_pic_address): Update
16031 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16033 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16034 when MODE isn't BLKmode.
16036 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16038 PR rtl-optimization/25367
16039 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16041 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16044 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16045 for a negative bound.
16047 2006-01-10 Richard Guenther <rguenther@suse.de>
16049 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16050 Never override with anything constraint.
16052 2006-01-10 Jan Beulich <jbeulich@novell.com>
16054 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16055 256 bits when optimize_size.
16057 2006-01-10 Jan Beulich <jbeulich@novell.com>
16059 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16061 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16062 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16065 2006-01-10 Ben Elliston <bje@au.ibm.com>
16067 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16069 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16070 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16071 (USE_FP_FOR_ARG): Reject decimal float modes.
16072 (function_arg_advance): Likewise.
16073 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16074 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16075 point types in AltiVec vectors.
16076 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16077 (rs6000_libcall_value): Likewise.
16079 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16081 * config/xtensa/ieee754-df.S: New file.
16082 * config/xtensa/ieee754-sf.S: New file.
16083 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16084 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16085 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16087 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16089 * config/sh/predicates.md (binary_float_operator,
16090 binary_logical_operator, commutative_float_operator,
16091 equality_comparison_operator, greater_comparison_operator,
16092 less_comparison_operator, logical_operator,
16093 noncommutative_float_operator, shift_operator,
16094 symbol_ref_operand, unary_float_operator): Remove redundant
16097 2006-01-09 Jeff Law <law@redhat.com>
16099 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16100 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16101 now unused arguments. Callers updated.
16102 (eliminate_redundant_computations): Remove now unused arguments,
16104 (local_fold): Remove, no longer used.
16105 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16107 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16108 (simplify_cond): New function.
16109 (forward_propagate_into_cond): Call simplify_cond.
16111 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16113 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16114 (*vec_extractv2di_1_sse): New.
16116 2006-01-09 Ben Elliston <bje@au.ibm.com>
16118 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16120 2006-01-08 Richard Guenther <rguenther@suse.de>
16122 * tree-ssa-structalias.c (get_constraint_for): Remove
16123 anyoffset argument.
16124 (get_constraint_for_component_ref): Likewise.
16125 (do_deref): Likewise.
16126 (get_constraint_for): Likewise.
16127 (do_structure_copy): Likewise.
16128 (handle_ptr_arith): Likewise.
16129 (find_func_aliases): Likewise. Remove unused need_anyoffset
16132 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16133 Kaz Kojima <kkojima@gcc.gnu.org>
16135 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16136 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16137 (EXTRA_CONSTRAINT_C16): Remove.
16138 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16139 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16140 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16141 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16142 constants of SHmedia. Handle nested constant expressions of
16144 (andcosts): Fix the costs for SHmedia constants.
16145 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16146 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16147 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16148 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16149 (movv4hi_i, movv2si_i): Likewise.
16150 (movsi_const): Adjust the second operand of ior so to match with
16151 the Csu constraint.
16152 (movdi_const, movdi_const_32bit): Likewise.
16153 (movdi_const_16bit+1): Don't sign-extend LOW.
16154 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16156 (*double_shori): Fix the split condition. Use GEN_INT instead
16157 of get_int_mode calls. Mask lower 16-bit of the argument of
16159 (sym2GOTPLT): Remove.
16160 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16162 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16163 instead of EXTRA_CONSTRAINT_C16.
16165 2006-01-07 Ian Lance Taylor <ian@airs.com>
16166 David Edelsohn <edelsohn@gnu.org>
16168 PR rtl-optimization/25662
16169 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16170 for constant operands instead of simplify_gen_binary.
16171 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16172 after trying simplify_binary_operation
16174 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16176 * tree.c (iterative_hash_expr): Hash decls based on UID.
16178 2006-01-06 Eric Christopher <echristo@apple.com>
16180 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16181 (TARGET_UNWIND_EMIT): Fix spelling.
16182 * target.h (gcc_target): Add except_table_label.
16183 * except.c (output_function_exception_table): Use.
16184 * varasm.c (default_emit_except_table_label): New.
16185 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16187 (asm_out): Add here.
16188 * output.h (default_emit_except_table_label): Prototype.
16189 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16190 * config/darwin.c (darwin_emit_except_table_label): Define.
16191 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16193 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16195 PR tree-optimization/18527
16196 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16197 number_of_iterations_special, number_of_iterations_exit):
16198 Move base and step of an iv to a single structure. Add
16199 no_overflow flag, and use it in # of iterations analysis.
16200 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16201 folded_casts argument.
16202 (simple_iv): Pass base and step in a structure. Set no_overflow
16204 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16205 Evaluate expensiveness of computing # of iterations instead of
16206 the final expression.
16207 * tree-scalar-evolution.h (affine_iv): New structure.
16208 (simple_iv): Declaration changed.
16209 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16210 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16211 find_givs_in_stmt): Changed due to simple_iv change.
16213 2006-01-06 Jeff Law <law@redhat.com>
16216 * tree-cfg.c (bsi_replace): Rename final argument from
16217 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16218 change (stmt -> orig_stmt).
16219 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16220 (bsi_remove): Add new argument. Remove EH information
16222 (verify_eh_throw_table_statements): New function.
16223 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16225 * tree-optimize.c (execute_free_cfg_annotations): Verify
16226 the EH throw statement table after removing annotations.
16227 * except.h (verify_eh_throw_table_statements): Prototype.
16228 * tree-flow.h (bsi_remove): Update prototype.
16229 * tree-vrp.c (remove_range_assertions): Add new argument to
16231 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16232 * tree-complex.c (expand_complex_div_wide): Likewise.
16233 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16234 * tree-tailcall.c (eliminate_tailcall): Likewise.
16235 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16236 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16237 * tree-nrv.c (tree_nrv): Likewise.
16238 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16239 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16240 (combine_blocks): Likewise.
16241 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16242 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16243 (cleanup_control_flow): Likewise.
16244 (remove_forwarder_block): Likewise.
16245 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16246 * tree-sra.c (sra_replace): Likewise.
16247 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16248 (forward_propagate_single_use_vars): Likewise.
16249 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16250 * tree-inline.c (expand_call_inline): Likewise.
16251 * tree-vect-transform.c (vect_transform_loop): Likewise.
16252 * tree-outof-ssa.c (rewrite_trees): Likewise.
16253 * tree-cfg.c (make_goto_expr_edges): Likewise.
16254 (cleanup_dead_labels): Likewise.
16255 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16256 (bsi_move_before, bsi_move_after): Likewise.
16257 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16258 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
16260 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
16263 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
16265 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
16266 on non gimple variables. Also add checks at the top for decls and
16268 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
16270 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
16271 and IMAGPART_EXPR for creating MUST_DEFs.
16272 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
16273 and NAME_MEMORY_TAG separately from the DECLs.
16275 2006-01-06 Richard Guenther <rguenther@suse.de>
16277 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
16278 annotation, if necessary.
16279 * tree-ssa-pre.c (create_expression_by_pieces): Remove
16280 redundant calls to update_stmt.
16281 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16284 2006-01-05 Richard Henderson <rth@redhat.com>
16286 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16288 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16290 * c-typeck.c: Update copyright date.
16292 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16294 * c-typeck.c (build_c_cast): Always warn when casting
16295 from a pointer to an integer of different size, even if
16296 the node was constant.
16298 2006-01-05 Richard Guenther <rguenther@suse.de>
16300 PR tree-optimization/22555
16301 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16302 if one structure field is an array.
16303 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16304 operands even if we found a subvar, but ignore VOPs in this
16306 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16308 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16310 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16312 PR middle-end/24998
16313 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16315 2006-01-05 Richard Guenther <rguenther@suse.de>
16316 Diego Novillo <dnovillo@redhat.com>
16318 * tree-pass.h (TODO_remove_unused_locals): Define.
16319 * gimple-low.c (expand_var_p, remove_useless_vars,
16320 pass_remove_useless_vars): Remove. Update all users.
16321 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16322 (remove_unused_locals): New function.
16323 * tree-flow.h (remove_unused_locals): Declare.
16324 * passes.c (execute_todo): Call remove_unused_locals if
16325 TODO_remove_unused_locals is set.
16326 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16327 * tree-ssa-dce.c (pass_dce): Likewise.
16328 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16330 2006-01-05 Richard Guenther <rguenther@suse.de>
16332 * tree-flow.h (struct fieldoff): Decompose field to
16333 type, size and decl.
16334 * tree-ssa-alias.c (create_sft): Take type as parameter.
16335 (create_overlap_variables_for): Store type, size and decl
16336 in the fieldoff structure.
16337 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16338 of struct fieldoff.
16339 (push_fields_onto_fieldstack): Likewise.
16340 (create_variable_info_for): Likewise. Use offset for the
16341 SFT name if the decl is not available.
16343 2006-01-04 Paul Brook <paul@codesourcery.com>
16345 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
16347 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
16349 * lambda-code.c (can_put_in_inner_loop): Relax
16351 (can_put_after_inner_loop): New function.
16352 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
16353 (perfect_nestify): Change to make copies and modify uses.
16355 2006-01-04 Richard Henderson <rth@redhat.com>
16357 Merge from gomp branch:
16358 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
16359 via integer constant.
16360 (pragma_lex): Remove.
16361 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
16362 rather than parsing it.
16363 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
16364 handle_pragma_extern_prefix): Add %< %> quotes.
16365 (registered_pragmas): New.
16366 (c_register_pragma_1): New.
16367 (c_register_pragma): Use it.
16368 (c_register_pragma_with_expansion): Likewise.
16369 (c_invoke_pragma_handler): New.
16370 (init_pragma): Use cpp_register_deferred_pragma directly for
16372 * c-pragma.h (enum pragma_kind): New.
16373 (pragma_handler): New.
16374 (c_invoke_pragma_handler): Declare.
16375 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
16377 * c-common.h (c_common_pch_pragma): Update decl.
16378 * Makefile.in (c-parser.o): Update dependencies.
16379 (GTFILES): Add c-pragma.h.
16380 * c-parser.c (struct c_token): Add pragma_kind.
16381 (struct c_parser): Add in_pragma.
16382 (c_lex_one_token): Always initialize keyword and pragma_kind.
16383 Extract data for CPP_PRAGMA.
16384 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
16385 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
16386 Don't allow CPP_PRAGMA_EOL if in_pragma.
16387 (c_parser_consume_pragma): New.
16388 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
16389 (c_parser_skip_to_end_of_parameter): Likewise.
16390 (c_parser_skip_to_end_of_block_or_statement): Likewise.
16391 (c_parser_skip_to_pragma_eol): New.
16392 (c_parser_external_declaration): Handle CPP_PRAGMA.
16393 (c_parser_compound_statement_nostart): Likewise.
16394 (c_parser_statement_after_labels): Likewise.
16395 (c_parser_pragma): New.
16396 (pragma_lex): Likewise.
16397 (c_parser_pragma_pch_preprocess): New.
16398 (c_parser_new): Merge into ...
16399 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
16401 2006-01-04 Jeff Law <law@redhat.com>
16404 * tree-cfg.c (bsi_replace): Remove the original statement
16405 from the EH throw statement table.
16407 2006-01-04 Jakub Jelinek <jakub@redhat.com>
16409 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
16410 make the prototype extern "C" and add throw ().
16413 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
16414 and pos non-negative and pos + len <= 32.
16415 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
16416 drop pos + len < HOST_BITS_PER_WIDE_INT test.
16417 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
16420 * c-common.c (handle_vector_size_attribute): Reject zero vector size
16421 as well as sizes not multiple of component size.
16424 * function.c (instantiate_expr): New function.
16425 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
16426 walk its DECL_VALUE_EXPR with instantiate_expr.
16428 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
16429 DW_OP_deref{,_size} if address isn't going to be added.
16431 2006-01-04 Ben Elliston <bje@au.ibm.com>
16433 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
16434 * config/fp-bit.c: Likewise.
16436 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
16438 * dominance.c: Add comment about why we use DFS numbering
16441 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16442 Richard Henderson <rth@redhat.com>
16444 Merge from gomp-branch:
16445 * varasm.c (assemble_variable): Handle thread-local COMMON data.
16446 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
16448 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
16450 PR rtl-optimization/25578
16451 * combine.c (combine_simplify_rtx, force_to_mode): Don't
16452 pass a parameter to simplify_shift_const if changing ASHIFTRT
16455 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
16457 * builtins.c (get_builtin_sync_mem): New function.
16458 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
16459 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
16460 Call get_builtin_sync_mem to generate mem rtx.
16462 2006-01-03 Richard Guenther <rguenther@suse.de>
16465 * stmt.c (add_case_node): Make sure to clear overflow flags
16468 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16470 Merge from gomp-branch.
16471 * config/sparc/sync.md: New file.
16472 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
16473 UNSPECV_LDSTUB): New constants.
16474 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
16475 * config/sparc/predicates.md (memory_reg_operand): New predicate.
16476 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
16479 2006-01-03 Roger Sayle <roger@eyesopen.com>
16481 * combine.c (reg_subword_p): New predicate to test whether the
16482 destination of a set refers to a subword/piece of a register.
16483 (try_combine): Generalize the code to merge the setting of a
16484 pseudo to a constant followed by a set of a subword of that
16485 register to a constant.
16487 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
16489 * basic-block.h (control_flow_graph): Change the type of
16490 x_label_to_block_map to VEC(basic_block,gc) *.
16491 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
16492 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
16494 * tree-ssa-propagate.c (cfg_blocks): Change the type to
16495 VEC(basic_block,heap) *.
16496 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
16497 ssa_prop_fini): Adjust the uses of cfg_blocks.
16499 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
16501 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
16503 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
16504 hashing trees instead of a pointer hash.
16505 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
16506 compare for MEM_EXPR.
16508 PR rtl-optimization/25130
16509 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
16510 when comparing MEMs for GCSE
16512 2006-01-03 Ben Elliston <bje@au.ibm.com>
16514 * targhooks.h (default_decimal_float_supported_p): Declare.
16515 * targhooks.c (default_decimal_float_supported_p): Define.
16516 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
16517 `default_decimal_float_supported_p'.
16518 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
16520 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
16522 * combine.c (apply_distributive_law <SUBREG>): Check
16523 TRULY_NOOP_TRUNCATION.
16525 2006-01-02 Geoffrey Keating <geoffk@apple.com>
16527 * dwarf2out.c (have_switched_text_section): Delete.
16528 (have_multiple_function_sections): New.
16529 (have_location_lists): Make 'bool'.
16530 (add_AT_loc_list): Use 'true' not '1'.
16531 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
16532 (output_loc_list): Use have_multiple_function_sections.
16533 (output_ranges): Likewise.
16534 (dwarf2out_begin_function): Set have_multiple_function_sections if
16536 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
16537 Check function_section rather than DECL_SECTION_NAME.
16538 (dwarf2out_finish): Use have_multiple_function_sections.
16539 Don't clear have_location_lists.
16541 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
16542 Jan Hubicka <jh@suse.cz>
16544 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
16545 case of conditional jump jumping to the next instruction.
16546 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
16547 cases of conditional jump jumping to the next instruction.
16549 2006-01-02 Jan Hubicka <jh@suse.cz>
16551 * i386.c (*_cost): Add COSTS_N_INSNS.
16552 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
16554 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
16557 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
16559 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
16561 * config/arm/arm.c (all_fpus): Fix comment typo.
16562 * config/darwin.c: Likewise.
16563 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
16564 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
16565 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
16567 2006-01-01 David Edelsohn <edelsohn@gnu.org>
16569 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
16570 (rs6000_split_compare_and_swapqhi): New.
16571 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
16572 (sync_compare_and_swapqhi_internal): New.
16573 * config/rs6000/rs6000-protos.h: Declare.